STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1956 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) ***** ***** ***** ***** 30.4 31.0 31.6 29.2 28.3 22.6 18.6 11.7 ***** MINIMUN AIR TEMPERATURE (C) ***** ***** ***** ***** 20.8 24.5 26.6 23.5 22.6 14.7 11.1 5.3 ***** DAYS WITH MINIMUM TEMP. >=21 **** **** **** **** 15 29 31 28 26 0 0 0 **** DAYS WITH MINIMUM TEMP. <=-4 **** **** **** **** 0 0 0 0 0 0 0 0 **** DAYS WITH FREEZING MIN.<= 0 **** **** **** **** 0 0 0 0 0 0 0 0 **** TEMPERATURE RECORDS LOWEST(C) ***** ***** ***** ***** 11.0 20.0 22.0 20.0 18.0 11.0 7.0 1.0 ***** DAY ** ** ** ** 13 12 17 23 30 31 14 21 MAXIMUM AIR TEMPERATURE (C) ***** ***** ***** ***** 39.1 37.3 37.5 34.9 35.0 29.3 25.4 16.8 ***** DAYS WITH MAXIMUM TEMP. >=30 **** **** **** **** 31 30 31 31 29 15 1 0 **** DAYS WITH MAXIMUM TEMP. <= 0 **** **** **** **** 0 0 0 0 0 0 0 0 **** TEMPERATURE RECORDS HIGHEST(C)***** ***** ***** ***** 42.0 43.0 43.0 38.0 38.0 34.0 31.0 27.0 ***** DAY ** ** ** ** 8 2 10 26 12 18 8 10 DIF. BETWEEN (MAX.-MIN.) (C) ***** ***** ***** ***** 18.3 12.8 10.9 11.4 12.4 14.6 14.3 11.5 ***** MEAN DAILY TEMP. (MDT) (C) ***** ***** ***** ***** 29.9 30.9 32.0 29.2 28.8 22.0 18.2 11.0 ***** COOLING DEG. DAYS(BASE 21 0C)****** ****** ****** ****** 247.5 297.5 342.0 254.0 234.0 45.0 2.0 0.0 ****** HEATING DEG. DAYS(BASE 18 0C)****** ****** ****** ****** 0.0 0.0 0.0 0.0 0.0 0.0 23.0 218.5 ****** DEWPOINT (MEAN C) ***** ***** ***** ***** ***** 9.4 15.0 7.4 7.5 3.5 2.2 0.4 ***** MIXING RATIO (G/KG) ****** ****** ****** ****** ****** 8.59 12.69 7.41 7.50 5.65 5.19 4.50 ****** VAPOUR PRESSURE (HPA) ****** ****** ****** ****** ****** 12.04 17.66 10.46 10.61 8.07 7.43 6.45 ****** SATURATION DEF. (HPA) ****** ****** ****** ****** ****** 34.42 30.22 31.19 29.34 20.61 15.12 8.13 ****** RELATIVE HUMIDITY (MEAN %) *** *** *** *** *** 27 40 26 28 30 35 49 *** RELATIVE HUMIDITY (MAX. %) *** *** *** *** *** 36 56 36 36 41 53 65 *** RELATIVE HUMIDITY (MIN. %) *** *** *** *** *** 20 28 19 20 22 26 37 *** RELATIVE HUMIDITY (MEAN% 03UTC) *** *** *** *** *** 29 47 32 31 32 35 57 *** RELATIVE HUMIDITY (MEAN% 09UTC) *** *** *** *** *** 22 31 20 22 23 28 38 *** RELATIVE HUMIDITY (MEAN% 15UTC) *** *** *** *** *** 23 36 22 28 35 51 57 *** RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. ****** ****** ****** ****** 0.0 0.0 12.0 0.0 0.0 0.0 0.0 1.0 ****** DAYS WITH PRECIPITATION >=10 **** **** **** **** 0 0 0 0 0 0 0 0 **** DAYS WITH PRECIPITATION >= 5 **** **** **** **** 0 0 1 0 0 0 0 0 **** DAYS WITH PRECIPITATION >= 1 **** **** **** **** 0 0 2 0 0 0 0 1 **** DAYS WITH PRECIPITATION **** **** **** **** 0 0 2 0 0 0 0 1 **** GREATEST DAILY PRECIPITATION ****** ****** ****** ****** 0.0 0.0 8.0 0.0 0.0 0.0 0.0 1.0 ****** DAY ** ** ** ** ** ** 16 ** ** ** ** 19 DAY WITH THUNDER STORM **** **** **** **** 0 0 0 0 0 0 0 0 **** DAYS WITH SNOW OR SLEET **** **** **** **** 0 0 0 0 0 0 0 0 **** DAYS WITH DUST **** **** **** **** 0 6 10 6 1 0 1 2 **** WIND DIRECTION (PREVAILING) *** *** *** *** 360 360 315 360 360 360 360 360 *** PREVAILING WIND SPEED(KNOTS) **** **** **** **** 8.3 10.0 11.7 14.0 9.2 9.8 10.4 9.8 **** PREVAILING WIND PERCENT ***** ***** ***** ***** 51.9 48.3 43.1 44.0 34.6 53.3 52.7 53.5 ***** CALMS PERCENT OF WIND ***** ***** ***** ***** 3.7 1.3 4.0 0.0 7.1 1.7 0.0 0.0 ***** NO. OF WIND OBSERVATION **** **** **** **** 135 240 248 248 240 180 150 155 1596 VECTOR WIND DIRECTION (MEAN) *** *** *** *** 338 347 339 349 348 340 352 349 *** VECTOR WIND MAGNITUDE(KNOTS) **** **** **** **** 4.3 7.3 8.6 9.8 6.6 7.9 7.5 7.1 **** WIND STEADINESES (MEAN %) ***** ***** ***** ***** 50.6 75.3 77.5 83.1 80.5 83.2 83.3 83.5 ***** WIND SPEED (MEAN KNOTS) **** **** **** **** 8.5 9.7 11.1 11.8 8.2 9.5 9.0 8.5 **** FASTEST WIND DIRECTION *** *** *** *** 180 360 300 360 300 300 360 330 *** FASTEST WIND SPEED (KNOTS) *** *** *** *** 28 21 33 30 38 21 21 25 *** DAY ** ** ** ** 22 8 1 13 14 6 3 1 DAYS WITH SKY CLEAR (0-2)/8 **** **** **** **** 31 25 13 30 25 30 23 8 **** DAYS WITH P.CLOUDY (3-6)/8 **** **** **** **** 0 5 15 1 5 1 7 13 **** DAYS WITH CLOUDY (7-8)/8 **** **** **** **** 0 0 3 0 0 0 0 10 **** DAYS WITH VISIBILITY =< 2 KM **** **** **** **** 0 0 2 1 0 0 0 0 **** DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1956 JAN. 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QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1002.0 1002.1 1006.7 1009.0 1014.8 1014.7 1015.4 ****** DAY ** ** ** ** ** 3 15 5 10 29 8 11 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 996.7 995.7 1002.4 1005.4 1015.4 1019.6 1022.4 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1002.6 1000.3 1011.1 1012.6 1020.7 1025.1 1029.5 ****** DAY ** ** ** ** ** 8 18 31 30 26 16 24 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 990.9 990.6 997.7 1000.7 1011.5 1011.6 1013.1 ****** DAY ** ** ** ** ** 3 11 5 13 29 8 11 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1956 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. 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QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 878.9 879.1 884.9 886.5 891.3 892.6 893.1 ****** DAY ** ** ** ** ** 2 15 4 12 28 8 11 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1004.5 1004.3 1009.3 1011.7 1018.4 1020.9 1021.4 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1009.4 1008.1 1017.2 1017.2 1023.7 1026.0 1026.5 ****** DAY ** ** ** ** ** 6 17 30 30 26 20 19 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 999.0 999.2 1005.7 1007.4 1012.8 1014.2 1014.8 ****** DAY ** ** ** ** ** 2 15 4 12 28 8 11 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 994.7 994.1 1000.4 1003.5 1013.8 1018.5 1021.4 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1001.0 999.8 1009.9 1011.7 1019.8 1024.1 1028.4 ****** DAY ** ** ** ** ** 6 17 30 30 26 20 20 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 987.6 988.2 996.6 997.8 1008.9 1009.2 1011.4 ****** DAY ** ** ** ** ** 2 15 5 12 28 8 10 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 884.6 884.8 889.5 891.1 ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 889.0 889.2 895.5 895.4 ****** ****** ****** ****** DAY ** ** ** ** ** 8 17 30 30 ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 879.9 880.2 885.3 887.8 ****** ****** ****** ****** DAY ** ** ** ** ** 2 15 4 10 ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1005.3 1005.5 1010.8 1012.6 ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1010.2 1010.4 1017.4 1017.3 ****** ****** ****** ****** DAY ** ** ** ** ** 8 17 30 30 ** ** ** MIN. 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QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 987.7 989.1 996.0 997.5 ****** ****** ****** ****** DAY ** ** ** ** ** 2 11 4 12 ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1957 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 9.0 13.1 18.9 21.1 26.4 30.0 31.3 29.3 25.5 21.5 13.9 11.1 20.9 MINIMUN AIR TEMPERATURE (C) 3.1 6.1 11.3 13.9 18.2 22.9 24.5 22.9 19.3 15.6 8.3 6.4 14.4 DAYS WITH MINIMUM TEMP. >=21 0 0 0 1 6 29 28 24 7 1 0 0 96 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 6 2 0 0 0 0 0 0 0 0 3 0 11 TEMPERATURE RECORDS LOWEST(C) -1.0 -1.0 7.0 7.0 13.0 19.0 19.0 15.0 16.0 10.0 -2.0 1.0 -2.0 DAY 26 7 10 6 5 9 9 23 5 14 25 24 MAXIMUM AIR TEMPERATURE (C) 13.6 18.4 23.9 25.9 31.3 35.7 37.6 35.9 32.2 28.6 20.6 18.0 26.8 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 4 20 30 31 31 30 14 0 0 160 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 24.0 26.0 29.0 32.0 39.0 42.0 44.0 42.0 35.0 35.0 28.0 24.0 44.0 DAY 31 25 14 21 30 5 16 10 18 4 5 10 DIF. BETWEEN (MAX.-MIN.) (C) 10.5 12.3 12.6 12.0 13.1 12.8 13.1 13.0 12.9 13.0 12.3 11.6 12.4 MEAN DAILY TEMP. (MDT) (C) 8.4 12.2 17.6 19.9 24.8 29.3 31.1 29.4 25.7 22.1 14.5 12.2 20.6 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 1.0 24.5 117.0 249.5 313.0 260.5 141.5 64.5 0.0 0.0 1171.5 HEATING DEG. DAYS(BASE 18 0C) 298.0 162.0 37.5 20.0 0.0 0.0 0.0 0.0 0.0 4.5 112.0 179.5 813.5 DEWPOINT (MEAN C) 2.1 1.8 6.2 8.3 11.9 12.3 10.8 10.0 5.4 8.3 5.8 2.4 7.1 MIXING RATIO (G/KG) 5.08 5.04 6.84 7.84 10.19 10.35 9.52 8.97 6.57 7.89 6.65 5.25 7.52 VAPOUR PRESSURE (HPA) 7.25 7.20 9.72 11.11 14.35 14.54 13.36 12.72 9.38 11.23 9.49 7.50 10.65 SATURATION DEF. (HPA) 4.71 8.64 12.90 14.88 21.30 29.21 33.62 29.48 24.44 15.69 7.43 6.57 17.41 RELATIVE HUMIDITY (MEAN %) 65 49 46 47 43 35 29 31 29 45 61 57 45 RELATIVE HUMIDITY (MAX. %) 81 64 62 63 57 46 40 43 40 58 78 75 59 RELATIVE HUMIDITY (MIN. %) 51 37 35 36 34 27 22 23 21 33 42 40 33 RELATIVE HUMIDITY (MEAN% 03UTC) 78 61 59 60 55 38 31 34 30 46 67 61 52 RELATIVE HUMIDITY (MEAN% 09UTC) 54 41 38 39 36 29 24 25 22 35 46 42 36 RELATIVE HUMIDITY (MEAN% 15UTC) 69 52 48 47 45 32 25 30 26 47 62 58 45 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 55.7 6.6 26.6 22.4 29.6 0.0 0.0 0.0 0.0 0.6 7.0 1.0 149.5 DAYS WITH PRECIPITATION >=10 2 0 1 0 1 0 0 0 0 0 0 0 4 DAYS WITH PRECIPITATION >= 5 2 0 2 2 2 0 0 0 0 0 1 0 9 DAYS WITH PRECIPITATION >= 1 5 3 5 6 5 0 0 0 0 0 1 1 26 DAYS WITH PRECIPITATION 8 3 7 10 8 0 0 0 0 2 3 1 42 GREATEST DAILY PRECIPITATION 27.0 4.0 11.0 5.0 14.0 0.0 0.0 0.0 0.0 0.6 7.0 1.0 27.0 DAY 24 5 16 5 21 ** ** ** ** 26 24 4 DAY WITH THUNDER STORM 0 0 0 0 0 0 0 0 1 6 3 1 11 DAYS WITH SNOW OR SLEET 1 0 0 0 0 0 0 0 0 0 2 0 3 DAYS WITH DUST 2 1 1 0 1 4 7 0 0 0 0 1 17 WIND DIRECTION (PREVAILING) 360 360 360 360 360 360 360 360 360 360 360 360 360 PREVAILING WIND SPEED(KNOTS) 5.5 7.5 7.3 7.6 8.9 11.4 11.9 10.5 11.0 8.6 6.6 5.4 8.7 PREVAILING WIND PERCENT 49.0 47.1 36.8 41.3 31.6 35.5 42.3 45.2 35.8 35.5 34.6 30.6 38.4 CALMS PERCENT OF WIND 0.0 0.0 0.0 0.0 0.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 NO. OF WIND OBSERVATION 155 140 155 150 155 203 248 248 240 248 240 248 2430 VECTOR WIND DIRECTION (MEAN) 315 329 300 309 307 336 336 337 327 323 325 314 324 VECTOR WIND MAGNITUDE(KNOTS) 4.6 5.4 4.7 3.9 5.1 6.8 7.5 7.5 7.1 5.5 4.1 3.6 5.4 WIND STEADINESES (MEAN %) 63.9 62.8 55.3 41.9 53.7 68.7 67.0 71.4 70.3 64.0 59.4 59.0 60.7 WIND SPEED (MEAN KNOTS) 7.2 8.6 8.5 9.3 9.5 9.9 11.2 10.5 10.1 8.6 6.9 6.1 8.9 FASTEST WIND DIRECTION 360 270 270 280 180 360 360 90 360 360 270 270 360 FASTEST WIND SPEED (KNOTS) 27 30 21 33 27 33 34 21 21 21 21 21 34 DAY 8 11 7 1 2 18 5 1 1 19 5 10 DAYS WITH SKY CLEAR (0-2)/8 12 16 16 7 7 27 25 19 29 23 10 15 206 DAYS WITH P.CLOUDY (3-6)/8 8 10 8 15 21 3 6 12 1 8 13 11 116 DAYS WITH CLOUDY (7-8)/8 11 2 7 8 3 0 0 0 0 0 7 5 43 DAYS WITH VISIBILITY =< 2 KM 0 1 0 0 0 1 1 1 0 0 0 0 4 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1957 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 895.5 896.8 894.0 893.0 891.3 888.8 887.5 897.0 899.6 896.8 898.1 897.6 894.7 MAX. QFE PRESSURE IN HPA 904.4 905.3 900.3 900.0 895.6 893.3 896.2 903.5 908.0 902.2 907.1 905.8 908.0 DAY-HOUR 4- 6 13- 6 3- 6 17- 6 12- 6 18- 3 30- 6 31- 6 10- 6 19- 6 24- 6 23- 6 MIN. QFE PRESSURE IN HPA 886.1 885.3 884.8 886.7 886.7 881.1 878.0 889.7 889.8 890.0 890.0 888.9 878.0 DAY-HOUR 12- 3 5-12 16-12 4-12 30-15 6-15 13-15 8-12 28-12 4-12 18- 9 7- 0 MEAN QNH PRESSURE IN HPA 1017.5 1018.9 1015.8 1014.7 1012.8 1010.0 1008.5 1019.1 1021.9 1018.8 1020.3 1019.8 1016.5 MAX. QNH PRESSURE IN HPA 1027.3 1028.3 1022.8 1022.4 1017.5 1015.0 1018.2 1026.3 1031.3 1024.9 1030.3 1028.9 1031.3 DAY-HOUR 4- 6 13- 6 3- 6 17- 6 12- 6 18- 3 30- 6 31- 6 10- 6 19- 6 24- 6 23- 6 MIN. QNH PRESSURE IN HPA 1007.0 1006.1 1005.6 1007.7 1007.7 1001.5 998.0 1011.0 1011.1 1011.3 1011.3 1010.1 998.0 DAY-HOUR 12- 3 5-12 16-12 4-12 30-15 6-15 13-15 8-12 28-12 4-12 18- 9 7- 0 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1000.2 998.2 1009.7 1014.2 1012.6 1017.5 1018.2 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1006.6 1008.4 1018.1 1023.8 1020.7 1032.9 1029.8 ****** DAY-HOUR **-** **-** **-** **-** **-** 9- 3 30- 6 25- 3 10- 6 21- 3 24- 6 23- 6 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 990.8 986.7 1000.3 1002.9 1003.2 1007.1 1005.7 ****** DAY-HOUR **-** **-** **-** **-** **-** 6-15 13-15 8-12 28-12 10-12 18- 9 7- 0 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 889.0 887.3 896.7 899.4 896.3 897.7 897.1 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 892.4 894.2 901.7 906.7 901.2 905.2 903.4 ****** DAY ** ** ** ** ** 18 30 30 10 21 25 30 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 884.8 879.7 890.9 891.0 890.8 891.8 888.9 ****** DAY ** ** ** ** ** 29 14 8 19 11 18 7 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1010.2 1008.3 1018.8 1021.7 1018.3 1019.9 1019.2 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1014.0 1016.0 1024.3 1029.9 1023.7 1028.2 1026.2 ****** DAY ** ** ** ** ** 18 30 30 10 21 25 30 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1005.6 999.9 1012.3 1012.4 1012.2 1013.3 1010.1 ****** DAY ** ** ** ** ** 29 14 8 19 11 18 7 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1000.5 998.4 1009.4 1014.2 1012.2 1017.2 1017.6 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1004.2 1007.1 1016.8 1022.6 1019.7 1030.7 1027.6 ****** DAY ** ** ** ** ** 18 30 23 10 21 25 30 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 996.3 990.2 1002.1 1004.0 1004.3 1009.6 1005.7 ****** DAY ** ** ** ** ** 29 18 15 19 11 18 7 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 895.9 897.3 894.8 893.5 892.1 889.6 888.2 897.8 900.3 897.4 898.9 897.9 895.3 MAX. QFE PRESSURE IN HPA 903.5 904.6 899.3 899.0 895.3 893.3 895.5 902.9 907.5 901.4 905.2 904.4 907.5 DAY 4 13 3 17 11 18 29 31 10 15 24 23 MIN. QFE PRESSURE IN HPA 886.1 886.4 889.6 888.6 889.1 882.1 880.8 891.7 891.6 892.2 892.4 890.2 880.8 DAY 12 5 7 4 21 7 13 8 28 11 18 7 MEAN QNH PRESSURE IN HPA 1017.9 1019.4 1016.7 1015.2 1013.6 1010.9 1009.3 1019.9 1022.7 1019.5 1021.1 1020.1 1017.2 MAX. QNH PRESSURE IN HPA 1026.3 1027.5 1021.6 1021.3 1017.2 1015.0 1017.4 1025.6 1030.7 1024.0 1028.2 1027.3 1030.7 DAY 4 13 3 17 11 18 29 31 10 15 24 23 MIN. QNH PRESSURE IN HPA 1007.0 1007.3 1010.9 1009.8 1010.3 1002.6 1001.1 1013.2 1013.1 1013.8 1014.0 1011.6 1001.1 DAY 12 5 7 4 21 7 13 8 28 11 18 7 MEAN QFF PRESSURE IN HPA 1018.6 1018.6 1013.2 1010.5 1006.8 1001.7 999.2 1011.0 1015.6 1014.1 1019.0 1019.4 1012.3 MAX. QFF PRESSURE IN HPA 1028.4 1030.6 1019.2 1018.2 1011.2 1006.6 1008.1 1018.1 1023.5 1020.7 1030.7 1029.1 1030.7 DAY 14 8 3 6 12 9 30 25 10 21 24 30 MIN. QFF PRESSURE IN HPA 1006.6 1004.3 1006.1 1003.1 1002.5 992.6 990.1 1003.5 1006.1 1006.1 1011.1 1007.7 990.1 DAY 12 5 7 25 31 7 13 8 29 11 18 10 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1957 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 896.7 897.8 895.5 894.3 892.5 889.9 888.9 898.2 901.0 898.0 899.6 899.0 895.9 MAX. QFE PRESSURE IN HPA 904.4 905.3 900.3 900.0 895.6 892.8 896.2 903.5 908.0 902.2 907.1 905.8 908.0 DAY 4 13 3 17 12 18 30 31 10 19 24 23 MIN. QFE PRESSURE IN HPA 887.2 886.1 889.5 889.6 888.6 882.8 881.7 891.9 892.0 892.2 892.8 890.8 881.7 DAY 12 5 7 4 21 7 14 8 28 25 18 7 MEAN QNH PRESSURE IN HPA 1018.8 1020.0 1017.4 1016.0 1014.1 1011.3 1010.1 1020.4 1023.5 1020.3 1022.0 1021.3 1017.9 MAX. QNH PRESSURE IN HPA 1027.3 1028.3 1022.8 1022.4 1017.5 1014.4 1018.2 1026.3 1031.3 1024.9 1030.3 1028.9 1031.3 DAY 4 13 3 17 12 18 30 31 10 19 24 23 MIN. QNH PRESSURE IN HPA 1008.2 1007.0 1010.8 1010.9 1009.8 1003.3 1002.1 1013.4 1013.5 1013.8 1014.4 1012.2 1002.1 DAY 12 5 7 4 21 7 14 8 28 25 18 7 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1001.2 999.7 1010.9 1015.5 1013.7 1019.0 1019.7 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1004.4 1008.4 1017.6 1023.8 1020.3 1032.9 1029.8 ****** DAY ** ** ** ** ** 18 30 22 10 15 24 23 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 997.0 990.6 1002.5 1005.7 1006.4 1010.5 1007.8 ****** DAY ** ** ** ** ** 29 14 8 19 11 18 7 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 895.4 896.7 894.2 893.2 891.5 889.2 887.7 897.1 899.9 896.9 898.0 897.4 894.8 MAX. QFE PRESSURE IN HPA 902.6 904.0 899.2 898.5 895.1 891.8 895.0 902.5 907.4 900.8 905.4 903.8 907.4 DAY 4 13 3 16 11 10 29 31 9 15 24 23 MIN. QFE PRESSURE IN HPA 886.2 885.4 887.3 888.9 887.2 883.2 879.4 890.6 891.2 891.8 890.0 889.2 879.4 DAY 12 5 7 4 21 7 13 8 28 10 18 7 MEAN QNH PRESSURE IN HPA 1017.4 1018.7 1016.0 1014.9 1012.9 1010.5 1008.8 1019.3 1022.3 1019.0 1020.2 1019.5 1016.6 MAX. QNH PRESSURE IN HPA 1025.3 1026.9 1021.5 1020.8 1017.0 1013.3 1016.9 1025.2 1030.6 1023.3 1028.4 1026.6 1030.6 DAY 4 13 3 16 11 10 29 31 9 15 24 23 MIN. QNH PRESSURE IN HPA 1007.1 1006.2 1008.3 1010.1 1008.2 1003.8 999.6 1012.0 1012.7 1013.3 1011.3 1010.4 999.6 DAY 12 5 7 4 21 7 13 8 28 10 18 7 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1000.4 998.1 1009.5 1014.3 1012.1 1016.7 1017.2 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1003.2 1006.9 1016.1 1022.6 1018.6 1030.0 1027.7 ****** DAY ** ** ** ** ** 18 29 27 9 15 24 30 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 996.6 987.4 1001.2 1004.3 1004.4 1007.1 1005.7 ****** DAY ** ** ** ** ** 30 13 15 28 10 18 7 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 894.4 895.7 892.5 891.8 890.1 887.7 886.9 895.9 898.4 895.8 897.0 896.5 893.6 MAX. QFE PRESSURE IN HPA 901.0 902.5 897.9 898.5 893.2 890.5 893.4 901.1 906.3 900.0 904.8 902.2 906.3 DAY 4 8 22 16 10 17 31 31 9 31 24 23 MIN. QFE PRESSURE IN HPA 886.4 885.3 884.8 886.7 886.8 882.4 880.4 889.7 889.8 890.0 891.2 889.8 880.4 DAY 12 5 16 4 21 6 14 8 28 4 18 7 MEAN QNH PRESSURE IN HPA 1016.2 1017.7 1014.1 1013.4 1011.4 1008.8 1007.9 1017.9 1020.7 1017.8 1019.1 1018.5 1015.3 MAX. QNH PRESSURE IN HPA 1023.5 1025.2 1020.1 1020.8 1014.9 1011.9 1015.1 1023.6 1029.4 1022.4 1027.7 1024.9 1029.4 DAY 4 8 22 16 10 17 31 31 9 31 24 23 MIN. QNH PRESSURE IN HPA 1007.3 1006.1 1005.6 1007.7 1007.8 1002.9 1000.7 1011.0 1011.1 1011.3 1012.7 1011.1 1000.7 DAY 12 5 16 4 21 6 14 8 28 4 18 7 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 998.8 997.5 1008.4 1013.0 1011.6 1016.3 1016.9 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1001.9 1006.0 1015.5 1021.8 1018.6 1030.1 1026.1 ****** DAY ** ** ** ** ** 17 29 27 9 14 24 30 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 995.3 989.2 1000.3 1002.9 1003.2 1008.6 1006.2 ****** DAY ** ** ** ** ** 30 14 8 28 10 5 7 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1957 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 895.2 896.6 893.0 892.3 890.4 887.6 886.3 896.2 898.8 896.3 897.8 897.3 894.0 MAX. QFE PRESSURE IN HPA 901.5 903.4 898.3 898.5 895.0 890.6 893.2 901.3 906.8 900.8 905.4 903.0 906.8 DAY 13 8 3 16 11 17 31 29 9 31 24 29 MIN. QFE PRESSURE IN HPA 889.2 889.6 885.6 887.1 886.7 881.1 878.0 889.9 890.8 890.2 891.6 891.0 878.0 DAY 12 5 16 4 30 6 13 8 28 4 18 5 MEAN QNH PRESSURE IN HPA 1017.1 1018.6 1014.7 1013.8 1011.8 1008.7 1007.3 1018.3 1021.1 1018.3 1019.9 1019.4 1015.8 MAX. QNH PRESSURE IN HPA 1024.1 1026.2 1020.5 1020.8 1016.9 1012.0 1014.9 1023.9 1030.0 1023.3 1028.4 1025.7 1030.0 DAY 13 8 3 16 11 17 31 29 9 31 24 29 MIN. QNH PRESSURE IN HPA 1010.4 1010.9 1006.4 1008.1 1007.7 1001.5 998.0 1011.2 1012.2 1011.6 1013.1 1012.4 998.0 DAY 12 5 16 4 30 6 13 8 28 4 18 5 MEAN QFF PRESSURE IN HPA 1017.7 1017.7 1011.1 1009.0 1004.8 999.3 997.1 1009.2 1013.9 1012.9 1017.8 1018.7 1010.8 MAX. QFF PRESSURE IN HPA 1026.3 1029.0 1018.4 1016.4 1010.9 1004.8 1005.7 1015.6 1022.5 1019.2 1031.0 1028.0 1031.0 DAY 13 8 3 16 11 9 29 25 9 14 24 30 MIN. QFF PRESSURE IN HPA 1008.5 1007.4 1002.4 1001.7 998.6 990.8 986.7 1001.4 1004.6 1003.9 1009.5 1007.8 986.7 DAY 6 27 7 25 30 6 13 8 18 4 18 7 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 888.4 887.5 897.1 899.6 897.0 898.2 898.1 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 891.0 893.8 902.0 907.5 901.8 906.6 903.8 ****** DAY ** ** ** ** ** 17 26 31 9 31 24 29 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 885.3 879.2 891.2 891.2 890.8 891.4 891.2 ****** DAY ** ** ** ** ** 30 13 8 28 10 18 5 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1009.6 1008.5 1019.2 1022.0 1019.1 1020.4 1020.3 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1012.4 1015.5 1024.6 1030.7 1024.4 1029.7 1026.6 ****** DAY ** ** ** ** ** 17 26 31 9 31 24 29 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1006.1 999.3 1012.7 1012.7 1012.2 1012.9 1012.7 ****** DAY ** ** ** ** ** 30 13 8 28 10 18 5 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 999.6 998.6 1009.8 1014.1 1012.7 1017.4 1018.8 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1002.2 1006.6 1016.1 1023.0 1019.3 1032.4 1028.1 ****** DAY ** ** ** ** ** 17 25 22 9 31 24 29 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 995.8 990.3 1002.4 1004.3 1003.6 1008.6 1009.4 ****** DAY ** ** ** ** ** 30 17 14 28 4 18 5 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 888.5 887.2 897.1 899.3 896.6 897.8 897.7 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 891.3 893.9 902.2 907.1 901.6 906.2 903.6 ****** DAY ** ** ** ** ** 17 29 31 9 20 24 29 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** 885.2 879.4 891.2 891.2 890.6 891.2 891.8 ****** DAY ** ** ** ** ** 28 13 14 18 10 18 6 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1009.7 1008.2 1019.2 1021.7 1018.6 1020.0 1019.9 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1012.8 1015.7 1024.9 1030.3 1024.2 1029.3 1026.4 ****** DAY ** ** ** ** ** 17 29 31 9 20 24 29 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** 1006.0 999.6 1012.7 1012.7 1012.0 1012.7 1013.3 ****** DAY ** ** ** ** ** 28 13 14 18 10 18 6 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 999.8 997.6 1009.6 1013.7 1011.9 1016.6 1017.7 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 1002.8 1005.8 1016.6 1021.8 1019.4 1031.5 1027.5 ****** DAY ** ** ** ** ** 17 29 31 9 20 24 29 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** 996.1 988.0 1000.8 1003.7 1003.3 1007.7 1008.4 ****** DAY ** ** ** ** ** 29 13 14 18 4 18 6 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1958 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 11.5 12.2 19.7 24.9 26.6 31.6 31.9 30.6 28.1 22.4 11.6 11.8 21.9 MINIMUN AIR TEMPERATURE (C) 6.8 6.8 13.5 18.5 20.7 25.3 26.1 24.6 21.9 16.6 6.6 7.0 16.2 DAYS WITH MINIMUM TEMP. >=21 0 0 0 10 16 30 31 29 24 1 0 0 141 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 0 0 0 0 0 0 0 0 0 0 2 0 2 TEMPERATURE RECORDS LOWEST(C) 1.0 3.0 7.0 11.0 16.0 23.0 21.0 20.0 18.0 12.0 -1.0 2.0 -1.0 DAY 1 2 2 7 14 8 18 30 27 23 25 22 MAXIMUM AIR TEMPERATURE (C) 18.3 19.8 27.1 32.1 33.2 38.4 38.0 36.8 35.3 30.5 18.8 18.7 28.9 DAYS WITH MAXIMUM TEMP. >=30 0 0 9 23 29 30 31 31 28 21 0 0 202 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 27.0 25.0 32.0 38.0 37.0 42.0 43.0 41.0 40.0 35.0 29.0 28.0 43.0 DAY 17 22 15 21 2 21 4 10 4 4 7 9 DIF. BETWEEN (MAX.-MIN.) (C) 11.5 13.0 13.6 13.6 12.5 13.1 11.9 12.2 13.4 13.9 12.2 11.7 12.7 MEAN DAILY TEMP. (MDT) (C) 12.5 13.3 20.3 25.3 27.0 31.8 32.0 30.7 28.6 23.5 12.7 12.8 22.6 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 18.0 135.0 184.5 325.0 341.5 301.5 229.0 84.0 1.0 0.5 1620.0 HEATING DEG. DAYS(BASE 18 0C) 172.5 133.5 12.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 169.0 166.5 653.5 DEWPOINT (MEAN C) 3.0 -0.4 4.5 7.8 7.2 12.0 11.9 10.7 8.5 5.0 -0.6 3.2 6.1 MIXING RATIO (G/KG) 5.48 4.23 6.08 7.68 7.29 10.27 10.43 9.46 8.15 6.36 4.25 5.54 7.10 VAPOUR PRESSURE (HPA) 7.83 6.06 8.66 10.90 10.36 14.42 14.56 13.29 11.51 9.07 6.10 7.92 10.06 SATURATION DEF. (HPA) 6.43 8.92 15.43 22.30 25.62 33.55 34.32 32.13 28.09 19.29 8.54 6.77 20.12 RELATIVE HUMIDITY (MEAN %) 59 44 38 35 30 31 31 30 30 34 45 58 39 RELATIVE HUMIDITY (MAX. %) 78 64 52 47 40 43 41 41 40 45 64 74 52 RELATIVE HUMIDITY (MIN. %) 41 29 27 26 22 23 22 22 23 24 29 42 28 RELATIVE HUMIDITY (MEAN% 03UTC) 64 47 42 39 33 34 36 34 31 34 48 63 42 RELATIVE HUMIDITY (MEAN% 09UTC) 43 30 29 28 23 24 24 24 25 25 30 44 29 RELATIVE HUMIDITY (MEAN% 15UTC) 63 41 37 31 29 31 28 27 30 37 47 63 39 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 15.0 0.0 6.0 0.0 2.0 0.0 10.0 0.0 0.0 0.0 2.0 6.6 41.6 DAYS WITH PRECIPITATION >=10 0 0 0 0 0 0 1 0 0 0 0 0 1 DAYS WITH PRECIPITATION >= 5 1 0 1 0 0 0 1 0 0 0 0 0 3 DAYS WITH PRECIPITATION >= 1 3 0 1 0 1 0 1 0 0 0 1 4 11 DAYS WITH PRECIPITATION 3 0 1 0 1 0 1 0 0 0 1 5 12 GREATEST DAILY PRECIPITATION 9.0 0.0 6.0 0.0 2.0 0.0 10.0 0.0 0.0 0.0 2.0 2.6 10.0 DAY 7 ** 31 ** 20 ** 12 ** ** ** 9 12 DAY WITH THUNDER STORM 1 0 1 1 2 2 1 1 0 0 0 0 9 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 3 0 1 4 3 0 10 2 1 0 0 0 24 WIND DIRECTION (PREVAILING) 360 360 360 270 360 360 360 360 360 360 360 360 360 PREVAILING WIND SPEED(KNOTS) 4.9 7.2 7.1 9.2 9.9 8.2 11.6 8.4 7.9 7.3 6.3 6.0 8.1 PREVAILING WIND PERCENT 30.2 33.0 30.2 28.8 46.4 46.3 60.9 66.1 49.6 44.0 38.8 33.2 42.1 CALMS PERCENT OF WIND 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 NO. OF WIND OBSERVATION 248 224 248 240 248 240 248 248 240 248 240 247 2919 VECTOR WIND DIRECTION (MEAN) 315 329 308 300 334 330 358 348 332 326 326 317 330 VECTOR WIND MAGNITUDE(KNOTS) 3.1 3.7 4.1 4.1 6.3 5.5 8.3 6.6 6.0 5.6 4.7 4.5 5.0 WIND STEADINESES (MEAN %) 51.7 48.7 51.9 49.4 65.6 68.8 78.3 77.6 69.8 65.9 70.1 67.2 61.7 WIND SPEED (MEAN KNOTS) 6.0 7.6 7.9 8.3 9.6 8.0 10.6 8.5 8.6 8.5 6.7 6.7 8.1 FASTEST WIND DIRECTION 270 210 270 360 360 360 360 300 270 270 90 270 360 FASTEST WIND SPEED (KNOTS) 21 21 21 21 34 21 34 21 34 17 17 17 34 DAY 19 1 4 19 12 7 15 23 25 1 7 1 DAYS WITH SKY CLEAR (0-2)/8 12 22 15 21 19 26 24 26 29 30 17 11 252 DAYS WITH P.CLOUDY (3-6)/8 14 6 14 9 12 4 7 5 1 1 11 13 97 DAYS WITH CLOUDY (7-8)/8 5 0 2 0 0 0 0 0 0 0 2 7 16 DAYS WITH VISIBILITY =< 2 KM 0 0 0 0 1 0 2 1 1 0 0 0 5 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1958 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 897.6 897.1 895.2 894.5 894.1 888.5 885.0 888.2 890.9 896.6 900.8 898.0 893.9 MAX. QFE PRESSURE IN HPA 903.2 901.4 898.9 900.2 901.4 894.0 891.4 892.6 896.2 901.2 906.0 904.4 906.0 DAY-HOUR 2-18 19- 6 1- 6 2- 6 13- 9 3- 3 16- 3 25- 6 30- 6 22- 6 4- 6 6- 6 MIN. QFE PRESSURE IN HPA 892.8 893.2 893.0 891.6 891.8 883.8 875.2 883.0 886.0 891.4 891.6 891.2 875.2 DAY-HOUR 22-21 5-12 9-21 30-21 1- 0 21-15 9-15 2-15 3-12 9-12 7-12 1-12 MEAN QNH PRESSURE IN HPA 1019.8 1019.2 1017.1 1016.3 1015.9 1009.6 1005.8 1009.3 1012.4 1018.7 1023.4 1020.2 1015.6 MAX. QNH PRESSURE IN HPA 1026.0 1024.0 1021.2 1022.6 1024.0 1015.8 1012.9 1014.2 1018.2 1023.7 1029.1 1027.3 1029.1 DAY-HOUR 2-18 19- 6 1- 6 2- 6 13- 9 3- 3 16- 3 25- 6 30- 6 22- 6 4- 6 6- 6 MIN. QNH PRESSURE IN HPA 1014.4 1014.9 1014.7 1013.1 1013.3 1004.4 994.9 1003.6 1006.9 1012.9 1013.1 1012.7 994.9 DAY-HOUR 22-21 5-12 9-21 30-21 1- 0 21-15 9-15 2-15 3-12 9-12 7-12 1-12 MEAN QFF PRESSURE IN HPA 1018.1 1017.3 1011.7 1008.7 1007.6 999.1 995.1 999.2 1003.4 1012.2 1021.8 1018.3 1009.4 MAX. QFF PRESSURE IN HPA 1026.7 1023.7 1018.4 1017.6 1018.1 1007.1 1004.2 1004.4 1012.0 1019.0 1029.9 1025.8 1029.9 DAY-HOUR 2- 6 14- 3 1- 3 1- 3 13-18 3- 3 16- 3 27- 6 30- 3 23- 3 24- 3 27- 3 MIN. QFF PRESSURE IN HPA 1010.7 1010.8 1007.7 1003.9 1003.8 993.0 983.1 992.7 996.6 1005.3 1006.8 1006.6 983.1 DAY-HOUR 31- 9 24-21 24-21 30-18 1- 9 21-12 9-18 2-12 5-12 9-12 7-12 1-12 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 897.5 897.0 895.2 894.6 894.1 888.8 885.2 888.3 891.1 896.9 901.1 898.1 894.0 MAX. QFE PRESSURE IN HPA 902.2 901.0 898.0 898.9 901.0 893.6 890.4 891.0 895.8 900.2 905.0 903.6 905.0 DAY 3 14 29 3 14 3 16 26 30 23 4 6 MIN. QFE PRESSURE IN HPA 893.6 893.6 893.6 892.0 891.8 884.8 876.6 885.2 887.0 892.2 894.4 893.8 876.6 DAY 22 6 10 30 1 21 10 3 4 10 7 10 MEAN QNH PRESSURE IN HPA 1019.7 1019.1 1017.1 1016.4 1015.8 1010.0 1006.0 1009.5 1012.6 1019.0 1023.7 1020.4 1015.8 MAX. QNH PRESSURE IN HPA 1024.9 1023.5 1020.2 1021.2 1023.5 1015.3 1011.8 1012.4 1017.8 1022.6 1028.0 1026.4 1028.0 DAY 3 14 29 3 14 3 16 26 30 23 4 6 MIN. QNH PRESSURE IN HPA 1015.3 1015.3 1015.3 1013.5 1013.3 1005.6 996.5 1006.0 1008.0 1013.8 1016.2 1015.5 996.5 DAY 22 6 10 30 1 21 10 3 4 10 7 10 MEAN QFF PRESSURE IN HPA 1018.0 1017.1 1011.8 1008.9 1007.7 999.8 995.3 999.3 1003.6 1012.5 1022.1 1018.5 1009.6 MAX. QFF PRESSURE IN HPA 1024.8 1022.7 1017.0 1015.7 1017.8 1005.7 1003.1 1003.2 1010.9 1018.5 1028.6 1024.9 1028.6 DAY 3 14 2 2 14 3 16 30 28 23 24 27 MIN. QFF PRESSURE IN HPA 1011.7 1011.2 1008.3 1004.6 1004.3 994.0 985.1 994.8 997.8 1006.1 1010.4 1009.6 985.1 DAY 31 23 25 30 3 22 10 3 5 10 7 10 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 897.8 897.4 895.5 895.0 894.6 889.0 885.8 888.8 891.5 897.1 901.3 898.5 894.4 MAX. QFE PRESSURE IN HPA 901.8 901.2 898.4 899.4 901.2 894.0 891.4 892.0 896.0 900.4 905.2 904.2 905.2 DAY 3 14 29 2 14 3 16 25 30 23 4 6 MIN. QFE PRESSURE IN HPA 895.2 893.8 893.8 892.2 892.1 884.6 877.0 886.0 887.4 892.6 893.2 894.0 877.0 DAY 6 6 10 30 2 21 10 2 4 10 7 31 MEAN QNH PRESSURE IN HPA 1020.0 1019.5 1017.4 1016.8 1016.5 1010.2 1006.6 1010.0 1013.0 1019.3 1023.9 1020.8 1016.2 MAX. QNH PRESSURE IN HPA 1024.4 1023.7 1020.6 1021.8 1023.7 1015.8 1012.9 1013.5 1018.0 1022.9 1028.2 1027.1 1028.2 DAY 3 14 29 2 14 3 16 25 30 23 4 6 MIN. QNH PRESSURE IN HPA 1017.1 1015.5 1015.5 1013.8 1013.7 1005.3 996.9 1006.9 1008.4 1014.2 1014.9 1015.8 996.9 DAY 6 6 10 30 2 21 10 2 4 10 7 31 MEAN QFF PRESSURE IN HPA 1019.1 1018.4 1012.8 1010.0 1008.7 1000.4 996.4 1000.5 1005.0 1013.8 1023.3 1019.8 1010.7 MAX. QFF PRESSURE IN HPA 1026.3 1023.7 1018.4 1017.6 1017.9 1007.1 1004.2 1004.1 1012.0 1019.0 1029.9 1025.8 1029.9 DAY 2 14 1 1 14 3 16 27 30 23 24 27 MIN. QFF PRESSURE IN HPA 1012.7 1012.7 1008.9 1005.9 1005.4 995.0 986.1 995.9 999.1 1008.4 1011.3 1013.3 986.1 DAY 6 25 25 30 1 30 10 3 5 10 7 11 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1958 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 898.3 898.0 896.1 895.5 895.1 889.3 886.1 889.3 892.1 897.7 902.2 899.1 894.9 MAX. QFE PRESSURE IN HPA 903.0 901.4 898.9 900.2 901.2 894.0 891.4 892.6 896.2 901.2 906.0 904.4 906.0 DAY 2 19 1 2 13 3 16 25 30 22 4 6 MIN. QFE PRESSURE IN HPA 895.2 893.6 893.4 892.2 892.1 884.2 877.0 886.0 887.9 893.2 893.6 894.8 877.0 DAY 31 6 10 30 2 21 10 2 5 10 7 31 MEAN QNH PRESSURE IN HPA 1020.6 1020.2 1018.1 1017.4 1017.0 1010.5 1007.0 1010.6 1013.6 1019.9 1024.8 1021.5 1016.8 MAX. QNH PRESSURE IN HPA 1025.7 1024.0 1021.2 1022.6 1023.7 1015.8 1012.9 1014.2 1018.2 1023.7 1029.1 1027.3 1029.1 DAY 2 19 1 2 13 3 16 25 30 22 4 6 MIN. QNH PRESSURE IN HPA 1017.1 1015.3 1015.1 1013.8 1013.7 1004.9 996.9 1006.9 1009.0 1014.9 1015.3 1016.7 996.9 DAY 31 6 10 30 2 21 10 2 5 10 7 31 MEAN QFF PRESSURE IN HPA 1019.1 1018.3 1012.6 1009.7 1008.5 999.7 996.2 1000.3 1004.4 1013.2 1023.2 1019.6 1010.4 MAX. QFF PRESSURE IN HPA 1026.7 1023.5 1018.0 1017.2 1017.2 1005.5 1004.0 1004.4 1010.9 1018.7 1029.8 1024.7 1029.8 DAY 2 13 2 2 14 3 16 27 30 22 23 27 MIN. QFF PRESSURE IN HPA 1011.8 1012.5 1008.3 1004.0 1004.5 993.5 984.1 995.4 998.7 1007.4 1009.7 1011.5 984.1 DAY 31 6 23 30 2 21 10 3 5 10 7 10 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 897.5 897.1 895.1 894.6 894.3 888.8 885.3 888.5 891.1 896.5 900.8 897.6 893.9 MAX. QFE PRESSURE IN HPA 902.0 901.0 898.6 899.8 901.4 893.2 890.4 892.0 895.2 900.4 904.8 903.2 904.8 DAY 2 19 28 2 13 2 16 25 28 22 3 5 MIN. QFE PRESSURE IN HPA 894.8 893.8 893.0 892.0 892.0 884.2 876.4 885.0 887.0 892.6 892.2 893.2 876.4 DAY 31 4 21 30 1 21 10 2 5 10 7 1 MEAN QNH PRESSURE IN HPA 1019.6 1019.2 1017.0 1016.4 1016.1 1010.0 1006.1 1009.7 1012.6 1018.6 1023.3 1019.7 1015.7 MAX. QNH PRESSURE IN HPA 1024.6 1023.5 1020.9 1022.2 1024.0 1014.9 1011.8 1013.5 1017.1 1022.9 1027.7 1026.0 1027.7 DAY 2 19 28 2 13 2 16 25 28 22 3 5 MIN. QNH PRESSURE IN HPA 1016.7 1015.5 1014.7 1013.5 1013.5 1004.9 996.2 1005.8 1008.0 1014.2 1013.8 1014.9 996.2 DAY 31 4 21 30 1 21 10 2 5 10 7 1 MEAN QFF PRESSURE IN HPA 1017.1 1016.6 1011.1 1008.4 1007.5 999.1 995.1 999.2 1003.0 1011.4 1020.9 1016.9 1008.9 MAX. QFF PRESSURE IN HPA 1024.1 1021.5 1017.3 1016.2 1017.3 1005.0 1003.2 1003.5 1009.4 1017.3 1028.9 1022.6 1028.9 DAY 2 13 2 2 13 2 16 25 29 22 23 26 MIN. QFF PRESSURE IN HPA 1010.7 1011.4 1008.2 1004.1 1003.8 993.2 983.7 994.5 997.4 1006.2 1006.8 1009.2 983.7 DAY 31 24 21 22 1 21 10 2 4 9 7 1 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 897.1 896.3 894.5 893.8 893.5 888.1 883.9 887.2 889.7 895.4 899.8 896.8 893.0 MAX. QFE PRESSURE IN HPA 901.2 900.4 897.2 898.4 900.5 892.8 888.9 890.6 894.6 899.8 903.9 902.8 903.9 DAY 2 13 28 2 13 2 16 25 30 22 4 5 MIN. QFE PRESSURE IN HPA 894.8 893.2 893.2 891.8 891.8 884.0 875.2 883.4 886.0 891.4 891.6 891.2 875.2 DAY 6 5 10 30 2 21 10 2 3 9 7 1 MEAN QNH PRESSURE IN HPA 1019.2 1018.3 1016.3 1015.6 1015.2 1009.2 1004.5 1008.3 1011.0 1017.3 1022.1 1018.9 1014.7 MAX. QNH PRESSURE IN HPA 1023.7 1022.9 1019.3 1020.6 1023.0 1014.4 1010.1 1012.0 1016.4 1022.2 1026.7 1025.5 1026.7 DAY 2 13 28 2 13 2 16 25 30 22 4 5 MIN. QNH PRESSURE IN HPA 1016.7 1014.9 1014.9 1013.3 1013.3 1004.7 994.9 1004.0 1006.9 1012.9 1013.1 1012.7 994.9 DAY 6 5 10 30 2 21 10 2 3 9 7 1 MEAN QFF PRESSURE IN HPA 1017.4 1016.2 1010.8 1007.9 1006.9 998.7 993.7 998.0 1001.8 1010.8 1020.5 1017.0 1008.3 MAX. QFF PRESSURE IN HPA 1024.1 1022.1 1015.8 1014.4 1016.5 1005.0 1001.8 1001.7 1009.1 1017.4 1028.0 1023.6 1028.0 DAY 2 13 2 2 13 2 16 25 30 22 23 26 MIN. QFF PRESSURE IN HPA 1011.3 1011.1 1008.2 1004.1 1003.9 993.0 983.1 992.7 996.6 1005.3 1006.8 1006.6 983.1 DAY 6 23 30 21 2 21 10 2 5 9 7 1 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1958 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 897.4 896.7 894.9 894.0 893.5 887.7 884.0 887.3 890.1 895.9 900.3 897.6 893.3 MAX. QFE PRESSURE IN HPA 901.8 901.0 897.8 898.8 900.8 892.2 888.4 890.4 895.0 900.2 904.2 903.6 904.2 DAY 2 13 31 2 13 1 29 25 30 22 3 5 MIN. QFE PRESSURE IN HPA 894.8 893.4 893.6 892.0 892.0 883.8 875.2 883.0 886.0 891.6 893.6 892.8 875.2 DAY 6 5 9 29 1 21 9 2 4 9 7 1 MEAN QNH PRESSURE IN HPA 1019.6 1018.8 1016.7 1015.8 1015.2 1008.8 1004.6 1008.3 1011.4 1017.8 1022.7 1019.7 1015.0 MAX. QNH PRESSURE IN HPA 1024.4 1023.5 1020.0 1021.1 1023.3 1013.8 1009.6 1011.8 1016.9 1022.6 1027.1 1026.4 1027.1 DAY 2 13 31 2 13 1 29 25 30 22 3 5 MIN. QNH PRESSURE IN HPA 1016.7 1015.1 1015.3 1013.5 1013.5 1004.4 994.9 1003.6 1006.9 1013.1 1015.3 1014.4 994.9 DAY 6 5 9 29 1 21 9 2 4 9 7 1 MEAN QFF PRESSURE IN HPA 1018.6 1017.5 1011.9 1008.8 1007.3 998.7 994.3 998.7 1003.2 1012.3 1022.0 1018.7 1009.3 MAX. QFF PRESSURE IN HPA 1026.7 1023.3 1017.2 1015.9 1017.2 1004.7 1001.3 1002.7 1010.5 1018.6 1029.3 1024.9 1029.3 DAY 2 13 1 2 13 1 16 25 30 22 23 21 MIN. QFF PRESSURE IN HPA 1012.4 1011.4 1008.9 1004.8 1004.4 993.8 983.6 992.9 997.8 1006.6 1010.6 1010.1 983.6 DAY 6 24 30 30 12 29 9 2 4 10 7 10 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 897.9 897.1 895.2 894.3 893.9 888.0 884.8 887.9 890.9 896.6 900.7 898.0 893.8 MAX. QFE PRESSURE IN HPA 903.2 901.0 897.8 898.6 901.2 892.9 889.2 890.6 895.8 900.2 904.8 903.8 904.8 DAY 2 13 1 2 13 2 16 25 29 22 3 5 MIN. QFE PRESSURE IN HPA 894.6 893.4 893.2 891.8 892.0 884.2 876.0 884.8 887.0 892.0 895.0 893.8 876.0 DAY 31 5 9 30 1 21 9 2 3 9 30 9 MEAN QNH PRESSURE IN HPA 1020.1 1019.2 1017.1 1016.1 1015.6 1009.1 1005.5 1009.1 1012.3 1018.7 1023.2 1020.2 1015.5 MAX. QNH PRESSURE IN HPA 1026.0 1023.5 1020.0 1020.9 1023.7 1014.5 1010.4 1012.0 1017.8 1022.6 1027.7 1026.6 1027.7 DAY 2 13 1 2 13 2 16 25 29 22 3 5 MIN. QNH PRESSURE IN HPA 1016.4 1015.1 1014.9 1013.3 1013.5 1004.9 995.8 1005.6 1008.0 1013.5 1016.9 1015.5 995.8 DAY 31 5 9 30 1 21 9 2 3 9 30 9 MEAN QFF PRESSURE IN HPA 1018.6 1017.3 1011.7 1008.4 1007.2 998.3 994.8 998.9 1003.2 1012.1 1021.6 1018.4 1009.2 MAX. QFF PRESSURE IN HPA 1026.4 1023.1 1016.6 1015.5 1018.1 1004.5 1002.3 1002.8 1010.5 1018.0 1027.8 1025.3 1027.8 DAY 2 13 2 1 13 2 16 26 29 22 23 26 MIN. QFF PRESSURE IN HPA 1012.2 1011.2 1008.6 1003.9 1004.1 993.4 983.1 994.5 997.9 1006.3 1011.8 1009.5 983.1 DAY 6 24 24 30 12 21 9 2 4 9 7 9 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 897.6 897.1 895.1 894.2 893.9 888.1 885.0 888.1 891.1 896.8 900.8 898.2 893.8 MAX. QFE PRESSURE IN HPA 902.8 901.2 897.6 898.4 901.0 893.4 889.6 890.8 895.8 900.0 904.6 903.2 904.6 DAY 2 13 1 1 13 2 15 25 29 22 3 5 MIN. QFE PRESSURE IN HPA 892.8 893.6 893.0 891.6 892.0 884.4 876.4 884.8 887.0 892.0 894.8 893.6 876.4 DAY 22 5 9 30 1 21 9 2 3 9 30 9 MEAN QNH PRESSURE IN HPA 1019.7 1019.2 1017.0 1016.0 1015.6 1009.3 1005.8 1009.3 1012.5 1018.9 1023.3 1020.4 1015.6 MAX. QNH PRESSURE IN HPA 1025.5 1023.7 1019.8 1020.6 1023.5 1015.1 1010.9 1012.2 1017.8 1022.4 1027.5 1026.0 1027.5 DAY 2 13 1 1 13 2 15 25 29 22 3 5 MIN. QNH PRESSURE IN HPA 1014.4 1015.3 1014.7 1013.1 1013.5 1005.1 996.2 1005.6 1008.0 1013.5 1016.7 1015.3 996.2 DAY 22 5 9 30 1 21 9 2 3 9 30 9 MEAN QFF PRESSURE IN HPA 1017.2 1016.7 1011.2 1008.0 1007.0 998.5 994.9 998.9 1003.2 1011.8 1020.9 1017.8 1008.8 MAX. QFF PRESSURE IN HPA 1024.5 1021.9 1017.0 1015.2 1017.6 1005.2 1001.8 1002.7 1010.2 1017.5 1027.4 1024.3 1027.4 DAY 2 13 1 1 13 2 15 26 29 22 23 26 MIN. QFF PRESSURE IN HPA 1010.9 1010.8 1007.7 1004.1 1003.9 993.3 984.0 993.8 997.6 1005.6 1011.0 1008.1 984.0 DAY 30 24 24 30 1 29 9 2 4 9 6 9 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1959 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 8.6 11.1 18.3 24.2 26.8 30.9 31.9 33.4 29.7 24.3 14.0 7.7 21.7 MINIMUN AIR TEMPERATURE (C) 3.6 5.5 11.9 17.8 21.0 24.5 25.8 27.5 23.6 18.7 9.4 2.7 16.0 DAYS WITH MINIMUM TEMP. >=21 0 0 0 4 17 30 30 31 27 5 0 0 144 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 2 2 DAYS WITH FREEZING MIN.<= 0 4 3 0 0 0 0 0 0 0 0 0 5 12 TEMPERATURE RECORDS LOWEST(C) -3.0 -1.0 4.0 13.0 15.0 21.0 20.0 25.0 20.0 14.0 6.0 -5.0 -5.0 DAY 3 19 10 2 6 2 7 7 27 28 5 16 MAXIMUM AIR TEMPERATURE (C) 15.8 17.9 25.4 31.7 33.2 37.9 37.9 40.6 37.4 32.1 21.2 15.5 28.9 DAYS WITH MAXIMUM TEMP. >=30 0 0 8 23 24 30 31 31 30 25 0 0 202 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 22.0 26.0 32.0 36.0 39.0 42.0 43.0 44.0 41.0 37.0 27.0 22.0 44.0 DAY 31 1 17 6 30 29 28 3 16 3 8 1 DIF. BETWEEN (MAX.-MIN.) (C) 12.2 12.4 13.5 13.9 12.2 13.4 12.1 13.1 13.8 13.4 11.8 12.8 12.9 MEAN DAILY TEMP. (MDT) (C) 9.7 11.7 18.7 24.8 27.1 31.2 31.9 34.0 30.5 25.4 15.3 9.1 22.5 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 22.5 120.0 190.0 305.5 337.0 404.0 285.0 140.0 0.0 0.0 1804.0 HEATING DEG. DAYS(BASE 18 0C) 257.0 177.5 41.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 83.0 275.5 834.5 DEWPOINT (MEAN C) 1.4 0.5 3.6 8.3 10.8 9.2 10.1 13.1 9.2 6.8 2.9 -0.7 6.3 MIXING RATIO (G/KG) 4.85 4.54 5.76 7.88 9.35 8.50 9.18 11.03 8.61 7.14 5.42 4.09 7.20 VAPOUR PRESSURE (HPA) 6.94 6.47 8.20 11.17 13.19 11.97 12.85 15.39 12.11 10.14 7.74 5.88 10.17 SATURATION DEF. (HPA) 4.85 7.64 14.22 20.33 23.82 34.29 35.78 37.57 31.32 21.66 8.84 5.20 20.46 RELATIVE HUMIDITY (MEAN %) 64 51 40 38 39 27 27 31 29 34 50 58 41 RELATIVE HUMIDITY (MAX. %) 85 72 58 55 54 38 37 40 40 47 67 78 56 RELATIVE HUMIDITY (MIN. %) 42 33 27 26 27 19 20 21 19 24 37 38 28 RELATIVE HUMIDITY (MEAN% 03UTC) 71 59 46 42 47 28 30 34 28 34 51 65 45 RELATIVE HUMIDITY (MEAN% 09UTC) 43 36 30 29 30 21 21 23 22 25 39 39 30 RELATIVE HUMIDITY (MEAN% 15UTC) 68 48 40 36 33 26 24 27 30 38 55 66 41 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 20.9 1.3 3.0 4.2 10.0 0.0 0.0 0.0 0.0 0.0 9.2 4.6 53.2 DAYS WITH PRECIPITATION >=10 1 0 0 0 0 0 0 0 0 0 0 0 1 DAYS WITH PRECIPITATION >= 5 1 0 0 0 1 0 0 0 0 0 1 0 3 DAYS WITH PRECIPITATION >= 1 5 1 2 2 2 0 0 0 0 0 2 1 15 DAYS WITH PRECIPITATION 6 2 2 5 3 0 0 1 0 1 4 1 25 GREATEST DAILY PRECIPITATION 10.0 1.0 2.0 3.0 6.0 0.0 0.0 0.0 0.0 0.0 7.0 4.6 10.0 DAY 17 9 27 20 12 ** ** ** ** ** 2 15 DAY WITH THUNDER STORM 0 1 0 0 0 0 2 0 0 0 1 0 4 DAYS WITH SNOW OR SLEET 2 0 0 0 0 0 0 0 0 0 0 2 4 DAYS WITH DUST 2 6 2 2 4 1 5 3 0 2 1 0 28 WIND DIRECTION (PREVAILING) 360 360 270 270 270 360 360 360 360 360 360 360 360 PREVAILING WIND SPEED(KNOTS) 5.5 7.7 10.0 9.9 10.1 7.6 10.9 8.5 8.1 7.6 5.8 5.5 7.5 PREVAILING WIND PERCENT 40.7 29.0 35.1 41.7 39.1 40.0 52.0 45.6 44.2 39.5 36.3 36.3 37.7 CALMS PERCENT OF WIND 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 NO. OF WIND OBSERVATION 248 224 248 240 248 240 248 248 240 248 240 248 2920 VECTOR WIND DIRECTION (MEAN) 324 293 286 294 301 314 331 323 321 317 311 314 313 VECTOR WIND MAGNITUDE(KNOTS) 3.9 3.5 4.2 5.3 5.7 5.3 8.1 6.8 7.3 6.4 4.9 4.7 5.4 WIND STEADINESES (MEAN %) 60.9 36.5 47.7 60.9 65.5 66.2 74.3 71.6 74.5 69.6 70.0 71.2 62.8 WIND SPEED (MEAN KNOTS) 6.4 9.6 8.8 8.7 8.7 8.0 10.9 9.5 9.8 9.2 7.0 6.6 8.6 FASTEST WIND DIRECTION 270 360 130 270 270 270 360 270 270 270 270 360 270 FASTEST WIND SPEED (KNOTS) 27 21 21 21 33 17 21 21 20 20 28 28 33 DAY 22 2 1 6 3 2 9 4 7 1 26 1 DAYS WITH SKY CLEAR (0-2)/8 17 14 17 16 19 30 30 29 29 30 18 20 269 DAYS WITH P.CLOUDY (3-6)/8 11 14 13 10 12 0 1 2 1 1 8 7 80 DAYS WITH CLOUDY (7-8)/8 3 0 1 4 0 0 0 0 0 0 4 4 16 DAYS WITH VISIBILITY =< 2 KM 0 0 0 0 2 0 0 0 0 0 0 0 2 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1959 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 897.6 893.4 894.6 894.2 890.9 888.5 885.0 883.9 887.6 894.9 897.7 900.7 892.4 MAX. QFE PRESSURE IN HPA 904.8 901.2 900.6 900.8 897.6 893.8 892.2 888.3 894.0 903.7 904.7 908.4 908.4 DAY-HOUR 3- 6 3- 6 15- 6 8- 6 5- 6 21- 6 20- 3 29- 6 25- 6 21- 6 22- 6 16- 6 MIN. QFE PRESSURE IN HPA 885.0 882.8 882.0 888.0 882.2 878.2 880.0 878.8 881.9 886.7 890.2 891.7 878.2 DAY-HOUR 23-12 17-12 1- 0 19-15 24-12 28-15 2-12 3-12 24-18 30-12 26- 0 12-12 MEAN QNH PRESSURE IN HPA 1019.7 1015.1 1016.4 1015.9 1012.4 1009.7 1005.8 1004.5 1008.7 1016.7 1019.9 1023.2 1014.0 MAX. QNH PRESSURE IN HPA 1027.7 1023.7 1023.1 1023.3 1019.8 1015.5 1013.8 1009.4 1015.8 1026.5 1027.6 1031.7 1031.7 DAY-HOUR 3- 6 3- 6 15- 6 8- 6 5- 6 21- 6 20- 3 29- 6 25- 6 21- 6 22- 6 16- 6 MIN. QNH PRESSURE IN HPA 1005.8 1003.3 1002.5 1009.1 1002.7 998.2 1000.2 998.9 1002.3 1007.7 1011.6 1013.2 998.2 DAY-HOUR 23-12 17-12 1- 0 19-15 24-12 28-15 2-12 3-12 24-18 30-12 26- 0 12-12 MEAN QFF PRESSURE IN HPA 1019.4 1013.5 1011.7 1008.6 1003.8 999.6 995.2 993.2 999.0 1009.4 1017.0 1023.4 1007.8 MAX. QFF PRESSURE IN HPA 1032.0 1023.6 1021.9 1016.7 1013.8 1005.6 1004.3 998.4 1007.4 1019.3 1025.4 1036.0 1036.0 DAY-HOUR 3- 6 3- 6 9-18 9- 3 5- 3 4- 3 20- 3 28- 3 27- 3 21- 3 22- 3 16- 3 MIN. QFF PRESSURE IN HPA 1002.6 999.4 998.7 1001.1 992.4 987.4 988.3 986.8 992.5 1000.9 1006.4 1011.1 986.8 DAY-HOUR 23-12 17-12 1- 0 19- 9 24-12 28-18 28-12 3-12 6-12 30-12 25-21 1- 9 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 897.8 893.7 894.5 894.2 891.4 888.8 885.4 884.0 887.7 895.0 897.6 900.8 892.6 MAX. QFE PRESSURE IN HPA 902.4 899.0 899.0 899.8 897.0 892.6 891.6 887.3 892.8 902.0 902.6 906.6 906.6 DAY 3 23 15 9 5 22 20 28 27 21 22 17 MIN. QFE PRESSURE IN HPA 887.8 887.0 882.0 889.0 884.6 880.4 880.0 879.6 883.6 889.6 890.2 895.4 879.6 DAY 23 17 1 19 31 29 3 3 7 5 26 13 MEAN QNH PRESSURE IN HPA 1020.0 1015.4 1016.3 1015.9 1012.9 1010.0 1006.2 1004.7 1008.8 1016.8 1019.8 1023.3 1014.2 MAX. QNH PRESSURE IN HPA 1025.1 1021.3 1021.3 1022.2 1019.1 1014.2 1013.1 1008.3 1014.4 1024.6 1025.3 1029.7 1029.7 DAY 3 23 15 9 5 22 20 28 27 21 22 17 MIN. QNH PRESSURE IN HPA 1008.9 1008.0 1002.5 1010.2 1005.3 1000.7 1000.2 999.8 1004.2 1010.9 1011.6 1017.3 999.8 DAY 23 17 1 19 31 29 3 3 7 5 26 13 MEAN QFF PRESSURE IN HPA 1019.6 1013.8 1011.5 1008.8 1004.7 1000.1 995.7 993.3 999.0 1009.3 1016.9 1023.4 1008.0 MAX. QFF PRESSURE IN HPA 1027.5 1022.0 1019.8 1016.0 1013.2 1004.7 1003.6 997.1 1005.9 1017.4 1023.0 1034.1 1034.1 DAY 3 23 10 9 5 4 20 29 27 21 22 16 MIN. QFF PRESSURE IN HPA 1004.8 1004.8 998.7 1002.0 994.7 989.0 988.8 988.2 993.3 1001.8 1006.7 1016.3 988.2 DAY 23 17 1 19 31 29 3 3 7 5 26 13 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 898.0 894.1 895.1 894.6 892.0 889.4 886.0 884.5 888.3 895.7 898.4 901.2 893.1 MAX. QFE PRESSURE IN HPA 903.2 899.8 900.0 900.2 897.2 893.2 892.2 887.9 893.5 902.7 904.0 907.4 907.4 DAY 3 3 15 9 5 4 20 28 25 21 22 16 MIN. QFE PRESSURE IN HPA 888.2 886.6 883.2 889.4 885.2 881.0 881.2 880.0 884.0 890.0 891.6 895.4 880.0 DAY 23 17 1 19 31 28 3 3 12 5 26 1 MEAN QNH PRESSURE IN HPA 1020.2 1015.9 1016.9 1016.4 1013.5 1010.6 1006.9 1005.3 1009.4 1017.7 1020.6 1023.8 1014.8 MAX. QNH PRESSURE IN HPA 1026.0 1022.2 1022.4 1022.6 1019.3 1014.9 1013.8 1009.0 1015.2 1025.4 1026.9 1030.6 1030.6 DAY 3 3 15 9 5 4 20 28 25 21 22 16 MIN. QNH PRESSURE IN HPA 1009.3 1007.6 1003.8 1010.7 1006.0 1001.3 1001.6 1000.2 1004.7 1011.3 1013.1 1017.3 1000.2 DAY 23 17 1 19 31 28 3 3 12 5 26 1 MEAN QFF PRESSURE IN HPA 1020.9 1015.2 1013.1 1010.0 1005.4 1001.0 996.8 994.7 1000.7 1011.4 1018.8 1025.2 1009.4 MAX. QFF PRESSURE IN HPA 1029.9 1023.5 1019.8 1016.7 1013.8 1005.6 1004.3 998.4 1007.4 1019.3 1025.4 1036.0 1036.0 DAY 3 23 10 9 5 4 20 28 27 21 22 16 MIN. QFF PRESSURE IN HPA 1006.1 1004.8 1000.3 1002.4 996.0 990.1 990.1 989.2 995.9 1003.5 1008.7 1017.2 989.2 DAY 23 17 1 19 31 29 3 3 12 5 26 1 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1959 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 898.9 895.0 896.1 895.7 892.4 889.7 886.4 885.0 888.9 896.4 899.2 902.2 893.8 MAX. QFE PRESSURE IN HPA 904.8 901.2 900.6 900.8 897.6 893.8 892.0 888.3 894.0 903.7 904.7 908.4 908.4 DAY 3 3 15 8 5 21 20 29 25 21 22 16 MIN. QFE PRESSURE IN HPA 889.0 886.2 885.4 889.2 885.8 881.0 882.0 880.6 885.0 890.5 893.4 894.7 880.6 DAY 23 17 1 19 31 28 28 3 12 5 26 1 MEAN QNH PRESSURE IN HPA 1021.2 1016.9 1018.1 1017.6 1014.0 1011.0 1007.3 1005.8 1010.1 1018.5 1021.5 1024.9 1015.6 MAX. QNH PRESSURE IN HPA 1027.7 1023.7 1023.1 1023.3 1019.8 1015.5 1013.5 1009.4 1015.8 1026.5 1027.6 1031.7 1031.7 DAY 3 3 15 8 5 21 20 29 25 21 22 16 MIN. QNH PRESSURE IN HPA 1010.2 1007.1 1006.2 1010.4 1006.7 1001.3 1002.5 1000.9 1005.8 1011.9 1015.1 1016.5 1000.9 DAY 23 17 1 19 31 28 28 3 12 5 26 1 MEAN QFF PRESSURE IN HPA 1021.0 1015.5 1013.3 1009.9 1005.1 1000.7 996.5 994.2 1000.1 1010.8 1018.6 1025.1 1009.2 MAX. QFF PRESSURE IN HPA 1032.0 1023.6 1020.2 1016.3 1013.7 1005.4 1003.2 998.4 1006.9 1019.1 1024.7 1035.9 1035.9 DAY 3 3 9 9 4 4 20 29 26 21 22 16 MIN. QFF PRESSURE IN HPA 1007.0 1004.2 1003.3 1001.6 996.5 989.5 989.9 989.0 995.4 1002.5 1010.4 1015.8 989.0 DAY 23 17 1 19 31 29 28 3 12 5 26 1 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 897.3 893.5 894.9 894.6 891.3 889.0 885.2 884.1 887.7 894.8 897.5 900.4 892.5 MAX. QFE PRESSURE IN HPA 902.4 899.6 900.2 900.8 896.4 893.2 888.0 887.4 892.9 901.6 902.2 907.0 907.0 DAY 3 3 9 8 4 21 16 28 25 21 22 16 MIN. QFE PRESSURE IN HPA 885.8 884.8 886.8 888.2 885.2 880.0 881.4 880.0 884.4 888.3 892.2 892.6 880.0 DAY 23 17 1 19 31 28 3 3 6 30 25 1 MEAN QNH PRESSURE IN HPA 1019.4 1015.2 1016.8 1016.4 1012.7 1010.2 1006.0 1004.7 1008.8 1016.7 1019.7 1022.8 1014.1 MAX. QNH PRESSURE IN HPA 1025.1 1022.0 1022.6 1023.3 1018.4 1014.9 1009.1 1008.4 1014.5 1024.2 1024.9 1030.2 1030.2 DAY 3 3 9 8 4 21 16 28 25 21 22 16 MIN. QNH PRESSURE IN HPA 1006.7 1005.6 1007.8 1009.3 1006.0 1000.2 1001.8 1000.2 1005.1 1009.4 1013.8 1014.2 1000.2 DAY 23 17 1 19 31 28 3 3 6 30 25 1 MEAN QFF PRESSURE IN HPA 1018.3 1013.0 1011.5 1008.6 1003.8 999.7 995.1 993.0 998.5 1008.5 1015.9 1021.9 1007.3 MAX. QFF PRESSURE IN HPA 1027.7 1021.4 1020.3 1015.6 1012.4 1004.4 999.8 998.4 1004.8 1016.7 1021.0 1033.0 1033.0 DAY 3 3 9 8 4 21 7 31 26 21 22 16 MIN. QFF PRESSURE IN HPA 1002.6 1001.4 1003.9 1001.1 995.3 989.5 989.2 988.0 994.3 1001.5 1010.0 1011.1 988.0 DAY 23 17 1 19 31 28 28 3 6 5 25 1 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 896.3 891.7 893.3 893.1 889.5 887.6 883.8 882.9 886.6 893.4 896.5 899.2 891.2 MAX. QFE PRESSURE IN HPA 901.0 897.6 898.8 899.2 895.0 891.8 886.8 886.2 891.8 900.0 900.9 905.7 905.7 DAY 3 3 9 8 4 21 15 28 25 21 22 16 MIN. QFE PRESSURE IN HPA 885.0 882.8 888.2 888.2 882.2 878.8 880.0 878.8 882.5 886.7 890.5 891.7 878.8 DAY 23 17 1 19 24 28 2 3 6 30 25 12 MEAN QNH PRESSURE IN HPA 1018.3 1013.2 1014.9 1014.7 1010.8 1008.7 1004.4 1003.5 1007.6 1015.1 1018.6 1021.5 1012.6 MAX. QNH PRESSURE IN HPA 1023.5 1019.8 1021.1 1021.5 1016.9 1013.3 1007.8 1007.1 1013.3 1022.4 1023.4 1028.7 1028.7 DAY 3 3 9 8 4 21 15 28 25 21 22 16 MIN. QNH PRESSURE IN HPA 1005.8 1003.3 1009.3 1009.3 1002.7 998.9 1000.2 998.9 1003.0 1007.7 1011.9 1013.2 998.9 DAY 23 17 1 19 24 28 2 3 6 30 25 12 MEAN QFF PRESSURE IN HPA 1017.8 1011.5 1010.0 1007.4 1002.4 998.5 993.8 992.0 997.5 1007.5 1015.7 1021.5 1006.3 MAX. QFF PRESSURE IN HPA 1026.8 1019.5 1018.8 1014.5 1010.8 1003.4 998.7 997.4 1003.9 1015.4 1020.5 1032.4 1032.4 DAY 3 3 9 8 4 16 7 31 25 21 22 16 MIN. QFF PRESSURE IN HPA 1002.6 999.4 1002.8 1002.2 992.4 987.8 988.3 986.8 992.5 1000.9 1008.8 1011.6 986.8 DAY 23 17 24 19 24 28 28 3 6 30 25 12 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1959 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 897.2 892.6 893.8 893.3 889.7 887.5 883.9 883.0 887.0 894.1 897.2 900.1 891.6 MAX. QFE PRESSURE IN HPA 902.0 898.6 899.6 899.4 895.2 891.4 887.0 886.1 892.1 901.1 901.3 906.2 906.2 DAY 3 3 9 8 4 21 16 31 25 20 21 16 MIN. QFE PRESSURE IN HPA 888.0 886.6 889.8 888.0 882.6 878.2 880.0 879.2 883.2 887.6 891.4 892.2 878.2 DAY 23 17 24 19 23 28 2 3 6 30 25 12 MEAN QNH PRESSURE IN HPA 1019.3 1014.2 1015.5 1015.0 1010.9 1008.5 1004.5 1003.6 1008.0 1015.9 1019.4 1022.5 1013.1 MAX. QNH PRESSURE IN HPA 1024.6 1020.9 1022.0 1021.8 1017.1 1012.9 1008.0 1007.0 1013.7 1023.6 1023.9 1029.3 1029.3 DAY 3 3 9 8 4 21 16 31 25 20 21 16 MIN. QNH PRESSURE IN HPA 1009.1 1007.6 1011.1 1009.1 1003.1 998.2 1000.2 999.3 1003.8 1008.7 1012.9 1013.8 998.2 DAY 23 17 24 19 23 28 2 3 6 30 25 12 MEAN QFF PRESSURE IN HPA 1019.9 1013.3 1011.5 1008.3 1002.8 998.7 994.3 992.9 999.1 1009.5 1017.5 1023.8 1007.6 MAX. QFF PRESSURE IN HPA 1028.9 1021.7 1021.5 1015.6 1011.6 1003.5 999.1 997.5 1005.3 1017.3 1022.7 1034.3 1034.3 DAY 3 3 9 8 4 16 16 31 26 21 22 16 MIN. QFF PRESSURE IN HPA 1007.3 1004.9 1004.1 1002.0 993.0 987.6 988.6 987.7 994.8 1002.6 1009.7 1013.9 987.6 DAY 23 17 24 19 23 28 28 3 6 30 25 1 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 897.8 893.3 894.5 894.0 890.4 888.1 884.5 883.6 887.1 894.7 897.6 900.8 892.2 MAX. QFE PRESSURE IN HPA 902.4 898.8 899.2 899.6 896.6 892.2 887.4 887.3 892.6 901.9 902.0 907.0 907.0 DAY 5 22 9 8 4 21 15 27 26 20 21 27 MIN. QFE PRESSURE IN HPA 890.8 888.0 891.0 889.4 884.2 879.0 880.4 879.1 881.9 888.6 892.0 893.5 879.0 DAY 23 28 26 18 30 28 2 2 24 30 25 12 MEAN QNH PRESSURE IN HPA 1020.0 1014.9 1016.3 1015.8 1011.8 1009.2 1005.2 1004.2 1008.1 1016.5 1019.7 1023.3 1013.8 MAX. QNH PRESSURE IN HPA 1025.1 1021.1 1021.5 1022.0 1018.7 1013.8 1008.4 1008.3 1014.2 1024.5 1024.6 1030.2 1030.2 DAY 5 22 9 8 4 21 15 27 26 20 21 27 MIN. QNH PRESSURE IN HPA 1012.2 1009.1 1012.4 1010.7 1004.9 999.1 1000.7 999.2 1002.3 1009.8 1013.5 1015.2 999.1 DAY 23 28 26 18 30 28 2 2 24 30 25 12 MEAN QFF PRESSURE IN HPA 1019.7 1013.5 1011.5 1008.2 1003.0 999.0 994.5 992.9 998.4 1009.0 1016.9 1023.6 1007.5 MAX. QFF PRESSURE IN HPA 1029.3 1021.6 1021.9 1015.2 1011.8 1003.4 999.2 997.6 1005.8 1017.2 1022.5 1033.6 1033.6 DAY 3 22 9 8 4 21 16 31 26 20 5 15 MIN. QFF PRESSURE IN HPA 1009.5 1005.7 1005.8 1002.0 994.6 987.4 988.7 987.4 992.7 1002.4 1009.1 1014.1 987.4 DAY 22 28 23 18 30 28 28 3 24 4 25 12 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 897.6 893.3 894.7 894.0 890.9 888.4 884.9 883.8 887.7 895.0 897.6 900.9 892.4 MAX. QFE PRESSURE IN HPA 902.2 898.8 898.6 899.6 896.8 892.2 888.0 887.3 892.6 902.0 902.6 906.3 906.3 DAY 5 22 20 8 4 21 15 27 26 20 21 15 MIN. QFE PRESSURE IN HPA 889.4 886.0 891.4 889.2 884.8 879.8 880.4 879.4 883.6 889.2 890.6 894.6 879.4 DAY 22 28 26 18 30 28 2 2 6 30 25 12 MEAN QNH PRESSURE IN HPA 1019.8 1015.0 1016.5 1015.8 1012.3 1009.6 1005.7 1004.5 1008.8 1016.9 1019.8 1023.4 1014.0 MAX. QNH PRESSURE IN HPA 1024.9 1021.1 1020.9 1022.0 1018.9 1013.8 1009.1 1008.3 1014.2 1024.6 1025.3 1029.4 1029.4 DAY 5 22 20 8 4 21 15 27 26 20 21 15 MIN. QNH PRESSURE IN HPA 1010.7 1006.9 1012.9 1010.4 1005.6 1000.0 1000.7 999.6 1004.2 1010.4 1012.0 1016.4 999.6 DAY 22 28 26 18 30 28 2 2 6 30 25 12 MEAN QFF PRESSURE IN HPA 1018.6 1012.8 1011.3 1008.0 1003.4 999.2 994.9 992.8 998.6 1008.9 1016.2 1022.6 1007.3 MAX. QFF PRESSURE IN HPA 1027.4 1021.3 1020.1 1015.3 1012.6 1003.5 999.9 998.2 1005.3 1016.9 1021.9 1033.5 1033.5 DAY 3 22 9 8 4 3 7 31 25 20 21 15 MIN. QFF PRESSURE IN HPA 1006.4 1002.1 1006.2 1001.4 994.8 988.0 989.0 987.7 993.0 1002.0 1006.4 1014.1 987.7 DAY 22 28 31 18 30 28 2 3 6 4 25 12 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1960 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 11.6 16.0 14.5 20.3 26.2 32.5 32.7 31.4 27.6 22.4 15.1 9.5 21.6 MINIMUN AIR TEMPERATURE (C) 5.9 10.0 8.8 14.5 19.6 26.1 27.1 25.1 21.4 16.7 9.9 4.8 15.8 DAYS WITH MINIMUM TEMP. >=21 0 0 0 2 14 30 31 31 17 1 0 0 126 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 3 0 1 0 0 0 0 0 0 0 0 1 5 TEMPERATURE RECORDS LOWEST(C) -1.0 1.0 -3.0 8.0 12.0 23.0 22.0 22.0 18.0 13.0 3.0 0.0 -3.0 DAY 29 1 21 16 3 15 31 1 12 28 27 31 MAXIMUM AIR TEMPERATURE (C) 19.3 23.9 20.7 27.2 32.5 38.9 38.3 37.7 34.0 29.6 22.6 16.6 28.4 DAYS WITH MAXIMUM TEMP. >=30 0 2 1 7 24 30 31 31 30 14 0 0 170 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 27.0 30.0 30.0 34.0 39.0 42.0 43.0 42.0 40.0 34.0 29.0 23.0 43.0 DAY 17 28 1 27 14 5 5 29 1 8 4 2 DIF. BETWEEN (MAX.-MIN.) (C) 13.4 13.9 11.9 12.7 12.9 12.8 11.2 12.6 12.6 12.9 12.7 11.8 12.6 MEAN DAILY TEMP. (MDT) (C) 12.6 16.9 14.8 20.9 26.1 32.5 32.7 31.4 27.7 23.2 16.2 10.7 22.1 COOLING DEG. DAYS(BASE 21 0C) 0.0 1.0 2.0 40.0 168.5 345.5 362.5 323.0 201.0 73.0 2.5 0.0 1519.0 HEATING DEG. DAYS(BASE 18 0C) 167.5 54.0 125.0 15.0 0.0 0.0 0.0 0.0 0.0 0.0 82.5 226.5 670.5 DEWPOINT (MEAN C) 0.5 2.9 2.9 7.5 7.8 12.0 12.7 9.9 7.4 4.9 2.5 -2.1 5.7 MIXING RATIO (G/KG) 4.55 5.38 5.46 7.45 7.77 10.31 10.95 9.01 7.62 6.22 5.29 3.73 6.98 VAPOUR PRESSURE (HPA) 6.52 7.68 7.77 10.57 10.98 14.43 15.27 12.63 10.78 8.87 7.56 5.36 9.87 SATURATION DEF. (HPA) 7.98 11.50 9.98 14.59 24.86 35.94 35.50 34.65 27.26 19.41 10.63 6.93 19.94 RELATIVE HUMIDITY (MEAN %) 49 44 49 47 33 29 31 28 29 33 45 46 39 RELATIVE HUMIDITY (MAX. %) 68 60 65 61 44 38 42 37 37 44 62 60 52 RELATIVE HUMIDITY (MIN. %) 33 30 35 31 24 22 21 19 20 24 31 33 27 RELATIVE HUMIDITY (MEAN% 03UTC) 54 47 56 53 39 31 36 29 31 33 47 50 42 RELATIVE HUMIDITY (MEAN% 09UTC) 35 31 38 35 27 25 23 20 23 25 32 33 29 RELATIVE HUMIDITY (MEAN% 15UTC) 56 45 50 45 32 29 27 23 29 38 53 53 40 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 5.2 5.3 28.6 14.9 3.9 0.0 0.0 0.0 0.0 0.0 10.0 0.4 68.3 DAYS WITH PRECIPITATION >=10 0 0 1 0 0 0 0 0 0 0 0 0 1 DAYS WITH PRECIPITATION >= 5 0 1 1 2 0 0 0 0 0 0 1 0 5 DAYS WITH PRECIPITATION >= 1 3 1 5 4 2 0 0 0 0 0 2 0 17 DAYS WITH PRECIPITATION 4 3 7 5 3 0 0 0 0 0 2 1 25 GREATEST DAILY PRECIPITATION 3.0 5.1 21.0 7.0 2.6 0.0 0.0 0.0 0.0 0.0 8.0 0.4 21.0 DAY 11 13 26 15 1 ** ** ** ** ** 10 21 DAY WITH THUNDER STORM 0 0 1 1 1 0 0 0 1 0 1 0 5 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 1 0 8 5 5 7 5 3 0 0 1 0 35 WIND DIRECTION (PREVAILING) 270 360 270 270 360 360 360 360 360 360 360 360 360 PREVAILING WIND SPEED(KNOTS) 9.8 6.4 11.3 9.5 8.0 8.0 9.0 8.5 8.5 7.0 6.7 6.9 7.6 PREVAILING WIND PERCENT 37.1 34.1 35.1 36.7 39.1 41.3 52.0 57.7 57.5 51.6 45.0 49.2 42.7 CALMS PERCENT OF WIND 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 NO. OF WIND OBSERVATION 248 232 248 240 248 240 248 248 240 248 240 248 2928 VECTOR WIND DIRECTION (MEAN) 304 303 295 294 321 312 336 335 333 330 322 328 319 VECTOR WIND MAGNITUDE(KNOTS) 5.1 5.4 5.9 4.7 6.1 6.0 6.8 6.7 6.9 5.3 4.9 5.9 5.6 WIND STEADINESES (MEAN %) 66.2 64.3 60.2 56.6 70.9 65.9 79.1 77.9 78.4 66.2 67.1 77.6 66.7 WIND SPEED (MEAN KNOTS) 7.7 8.4 9.8 8.3 8.6 9.1 8.6 8.6 8.8 8.0 7.3 7.6 8.4 FASTEST WIND DIRECTION 270 270 210 200 360 270 360 360 270 230 180 270 210 FASTEST WIND SPEED (KNOTS) 20 20 30 30 28 20 20 20 16 16 20 16 30 DAY 4 2 12 14 21 4 16 8 2 1 2 2 DAYS WITH SKY CLEAR (0-2)/8 22 22 18 10 25 28 26 31 27 31 28 23 291 DAYS WITH P.CLOUDY (3-6)/8 6 7 7 17 6 2 5 0 3 0 1 6 60 DAYS WITH CLOUDY (7-8)/8 3 0 6 3 0 0 0 0 0 0 1 2 15 DAYS WITH VISIBILITY =< 2 KM 0 0 0 0 0 0 0 0 0 1 0 0 1 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1960 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 898.5 896.8 893.1 893.0 892.1 886.3 884.2 885.6 891.6 896.8 898.5 899.3 893.0 MAX. QFE PRESSURE IN HPA 905.1 906.5 900.8 902.2 900.5 893.3 890.6 889.2 899.0 903.7 905.2 907.1 907.1 DAY-HOUR 19- 6 15- 6 16- 6 8- 6 6- 6 3- 3 17- 6 15- 6 6- 0 30- 6 27- 6 5- 6 MIN. QFE PRESSURE IN HPA 891.1 889.3 883.9 880.5 881.9 880.1 878.4 881.5 883.5 888.6 889.4 891.9 878.4 DAY-HOUR 27-12 29-12 9-12 28-21 31-12 21-12 1-12 12-12 2-12 11-12 20-12 30-12 MEAN QNH PRESSURE IN HPA 1020.7 1018.8 1014.8 1014.6 1013.6 1007.3 1004.9 1006.4 1013.1 1018.9 1020.7 1021.7 1014.6 MAX. QNH PRESSURE IN HPA 1028.1 1029.6 1023.3 1024.9 1023.0 1015.0 1012.0 1010.4 1021.3 1026.5 1028.2 1030.3 1030.3 DAY-HOUR 19- 6 15- 6 16- 6 8- 6 6- 6 3- 3 17- 6 15- 6 6- 0 30- 6 27- 6 5- 6 MIN. QNH PRESSURE IN HPA 1012.5 1010.6 1004.6 1000.8 1002.3 1000.3 998.5 1001.9 1004.1 1009.8 1010.7 1013.4 998.5 DAY-HOUR 27-12 29-12 9-12 28-21 31-12 21-12 1-12 12-12 2-12 11-12 20-12 30-12 MEAN QFF PRESSURE IN HPA 1019.1 1015.2 1011.7 1008.9 1005.5 996.3 993.8 996.0 1004.4 1012.4 1017.5 1021.0 1008.5 MAX. QFF PRESSURE IN HPA 1028.4 1028.5 1025.9 1019.5 1017.3 1004.9 1001.4 1000.3 1012.0 1022.6 1027.8 1030.3 1030.3 DAY-HOUR 29- 6 2- 3 21- 0 8- 6 6- 6 3- 3 29- 6 19- 3 6- 0 31- 3 27- 6 6- 3 MIN. QFF PRESSURE IN HPA 1008.6 1004.6 998.9 991.9 991.4 989.1 986.6 990.5 993.0 1001.5 1004.0 1012.8 986.6 DAY-HOUR 27-12 29-12 9-12 28-21 31-12 30-12 5-12 12-12 2- 9 11-12 20-12 2-12 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 898.5 897.0 893.2 893.0 892.2 886.6 884.2 885.6 891.7 896.6 898.5 899.2 893.0 MAX. QFE PRESSURE IN HPA 903.0 904.3 900.3 900.1 898.9 891.7 888.9 888.1 899.0 902.5 903.5 905.4 905.4 DAY 20 2 21 8 6 3 17 15 6 31 27 5 MIN. QFE PRESSURE IN HPA 892.3 892.4 885.7 887.6 885.5 881.7 879.7 882.8 885.9 890.2 890.5 892.7 879.7 DAY 27 10 9 21 17 30 2 12 2 9 20 30 MEAN QNH PRESSURE IN HPA 1020.8 1019.1 1014.9 1014.7 1013.7 1007.5 1004.9 1006.5 1013.2 1018.7 1020.8 1021.6 1014.7 MAX. QNH PRESSURE IN HPA 1025.7 1027.2 1022.8 1022.5 1021.2 1013.2 1010.1 1009.2 1021.3 1025.2 1026.3 1028.4 1028.4 DAY 20 2 21 8 6 3 17 15 6 31 27 5 MIN. QNH PRESSURE IN HPA 1013.9 1014.0 1006.6 1008.7 1006.3 1002.1 999.9 1003.3 1006.8 1011.6 1011.9 1014.3 999.9 DAY 27 10 9 21 17 30 2 12 2 9 20 30 MEAN QFF PRESSURE IN HPA 1019.1 1015.4 1011.6 1009.0 1005.8 996.6 993.6 996.0 1004.3 1012.0 1017.3 1020.7 1008.4 MAX. QFF PRESSURE IN HPA 1026.4 1026.3 1025.9 1017.4 1016.4 1002.6 999.3 998.5 1012.0 1020.4 1025.0 1028.1 1028.1 DAY 30 2 21 8 6 15 30 15 6 31 27 6 MIN. QFF PRESSURE IN HPA 1009.4 1008.7 1000.7 1001.3 995.7 991.1 987.9 992.2 996.2 1001.8 1005.2 1013.8 987.9 DAY 27 29 9 21 17 30 2 12 2 9 20 3 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 898.9 897.5 893.6 893.9 893.0 887.3 885.1 886.4 892.3 897.5 899.3 899.8 893.7 MAX. QFE PRESSURE IN HPA 903.7 904.9 900.3 901.2 899.3 893.3 890.1 889.0 896.0 903.0 904.0 906.1 906.1 DAY 19 15 21 8 6 3 17 15 25 30 16 5 MIN. QFE PRESSURE IN HPA 892.8 892.9 886.4 889.0 886.0 882.6 880.0 882.8 885.4 892.3 890.9 892.3 880.0 DAY 27 29 25 21 31 30 9 12 2 11 20 30 MEAN QNH PRESSURE IN HPA 1021.2 1019.7 1015.3 1015.6 1014.6 1008.3 1005.8 1007.3 1013.9 1019.7 1021.7 1022.2 1015.5 MAX. QNH PRESSURE IN HPA 1026.5 1027.9 1022.8 1023.7 1021.6 1015.0 1011.4 1010.2 1018.0 1025.7 1026.9 1029.2 1029.2 DAY 19 15 21 8 6 3 17 15 25 30 16 5 MIN. QNH PRESSURE IN HPA 1014.4 1014.5 1007.3 1010.2 1006.9 1003.1 1000.2 1003.3 1006.2 1013.9 1012.3 1013.9 1000.2 DAY 27 29 25 21 31 30 9 12 2 11 20 30 MEAN QFF PRESSURE IN HPA 1020.6 1017.2 1013.0 1010.5 1007.1 998.1 995.4 997.7 1006.0 1014.5 1019.5 1022.7 1010.2 MAX. QFF PRESSURE IN HPA 1028.3 1028.5 1025.7 1018.4 1016.6 1004.9 1001.2 1000.3 1010.8 1022.6 1026.4 1030.3 1030.3 DAY 29 2 21 8 6 3 30 19 25 31 27 6 MIN. QFF PRESSURE IN HPA 1012.0 1010.2 1003.6 1003.8 997.5 993.0 989.7 993.4 996.0 1008.0 1006.9 1015.9 989.7 DAY 27 29 25 21 17 30 9 12 2 9 20 30 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1960 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 900.0 898.4 894.5 894.6 893.5 887.7 885.4 886.7 892.9 898.1 900.0 900.9 894.4 MAX. QFE PRESSURE IN HPA 905.1 906.5 900.8 902.2 900.5 893.3 890.6 889.2 896.7 903.7 905.2 907.1 907.1 DAY 19 15 16 8 6 3 17 15 25 30 27 5 MIN. QFE PRESSURE IN HPA 893.4 893.2 886.9 889.6 885.8 882.2 880.6 883.0 885.7 892.4 891.5 894.3 880.6 DAY 27 29 9 11 31 30 9 12 2 11 20 30 MEAN QNH PRESSURE IN HPA 1022.4 1020.6 1016.3 1016.4 1015.3 1008.7 1006.3 1007.7 1014.5 1020.4 1022.4 1023.4 1016.2 MAX. QNH PRESSURE IN HPA 1028.1 1029.6 1023.3 1024.9 1023.0 1015.0 1012.0 1010.4 1018.8 1026.5 1028.2 1030.3 1030.3 DAY 19 15 16 8 6 3 17 15 25 30 27 5 MIN. QNH PRESSURE IN HPA 1015.1 1014.9 1007.9 1010.9 1006.7 1002.7 1000.9 1003.6 1006.6 1014.0 1013.0 1016.1 1000.9 DAY 27 29 9 11 31 30 9 12 2 11 20 30 MEAN QFF PRESSURE IN HPA 1020.9 1017.1 1013.3 1010.5 1006.8 997.7 995.2 997.1 1005.5 1013.7 1019.2 1022.9 1010.0 MAX. QFF PRESSURE IN HPA 1028.4 1028.1 1024.4 1019.5 1017.3 1003.9 1001.4 999.7 1009.9 1021.5 1027.8 1030.2 1030.2 DAY 29 15 21 8 6 3 29 15 25 30 27 5 MIN. QFF PRESSURE IN HPA 1011.3 1009.8 1003.1 1003.2 996.2 991.8 989.1 992.6 996.1 1005.5 1006.9 1017.3 989.1 DAY 27 29 9 29 31 30 2 13 2 9 20 30 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 898.1 897.0 893.5 893.4 892.6 886.8 884.4 885.7 891.8 896.7 898.2 898.9 893.1 MAX. QFE PRESSURE IN HPA 903.2 904.1 900.2 900.4 898.9 891.7 888.5 887.7 895.3 902.1 902.8 905.3 905.3 DAY 19 15 16 8 6 3 17 31 25 30 16 5 MIN. QFE PRESSURE IN HPA 893.1 891.6 885.6 889.1 884.5 881.4 880.2 882.5 884.2 889.8 890.2 892.7 880.2 DAY 27 29 9 11 31 21 1 12 2 11 20 30 MEAN QNH PRESSURE IN HPA 1020.3 1019.1 1015.2 1015.1 1014.2 1007.8 1005.1 1006.6 1013.3 1018.7 1020.5 1021.2 1014.8 MAX. QNH PRESSURE IN HPA 1026.0 1027.0 1022.6 1022.9 1021.2 1013.2 1009.7 1008.8 1017.2 1024.8 1025.5 1028.3 1028.3 DAY 19 15 16 8 6 3 17 31 25 30 16 5 MIN. QNH PRESSURE IN HPA 1014.8 1013.1 1006.4 1010.3 1005.2 1001.8 1000.5 1003.0 1004.9 1011.1 1011.6 1014.3 1000.5 DAY 27 29 9 11 31 21 1 12 2 11 20 30 MEAN QFF PRESSURE IN HPA 1017.7 1014.6 1011.6 1008.9 1005.8 996.5 993.7 995.7 1004.1 1011.3 1016.2 1019.5 1008.0 MAX. QFF PRESSURE IN HPA 1026.1 1024.4 1022.3 1017.6 1015.7 1002.3 999.1 998.0 1008.8 1019.1 1023.8 1027.0 1027.0 DAY 29 15 20 8 6 15 29 19 25 30 27 5 MIN. QFF PRESSURE IN HPA 1011.1 1007.0 1001.2 1002.6 994.3 990.0 988.0 991.7 993.0 1002.4 1004.1 1013.4 988.0 DAY 27 29 9 29 31 30 5 12 2 11 20 2 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 897.2 895.4 891.9 891.8 891.0 885.4 883.0 884.5 890.5 895.7 897.1 898.1 891.8 MAX. QFE PRESSURE IN HPA 902.9 902.3 899.3 899.8 898.0 889.9 886.4 886.4 893.8 901.3 901.7 904.6 904.6 DAY 19 2 20 24 6 3 29 31 25 30 26 5 MIN. QFE PRESSURE IN HPA 891.1 889.3 883.9 887.0 881.9 880.1 878.4 881.5 883.5 888.6 889.4 891.9 878.4 DAY 27 29 9 20 31 21 1 12 2 11 20 30 MEAN QNH PRESSURE IN HPA 1019.4 1017.3 1013.5 1013.3 1012.4 1006.2 1003.6 1005.2 1011.9 1017.6 1019.2 1020.3 1013.3 MAX. QNH PRESSURE IN HPA 1025.6 1025.0 1021.6 1022.2 1020.2 1011.2 1007.3 1007.3 1015.5 1023.9 1024.3 1027.5 1027.5 DAY 19 2 20 24 6 3 29 31 25 30 26 5 MIN. QNH PRESSURE IN HPA 1012.5 1010.6 1004.6 1008.0 1002.3 1000.3 998.5 1001.9 1004.1 1009.8 1010.7 1013.4 998.5 DAY 27 29 9 20 31 21 1 12 2 11 20 30 MEAN QFF PRESSURE IN HPA 1017.6 1013.4 1010.1 1007.5 1004.3 995.0 992.3 994.5 1003.0 1010.9 1015.7 1019.3 1007.0 MAX. QFF PRESSURE IN HPA 1025.7 1024.2 1022.7 1016.3 1015.1 1001.0 997.4 997.1 1007.3 1019.1 1023.0 1027.3 1027.3 DAY 29 1 20 24 6 15 28 3 12 30 27 5 MIN. QFF PRESSURE IN HPA 1008.6 1004.6 998.9 1001.3 991.4 989.1 986.6 990.5 993.6 1001.5 1004.0 1012.8 986.6 DAY 27 29 9 20 31 30 5 12 2 11 20 2 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1960 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 898.1 896.1 892.4 892.1 891.0 885.1 883.1 884.6 890.7 896.1 898.0 899.0 892.2 MAX. QFE PRESSURE IN HPA 903.5 903.3 899.9 898.8 898.0 889.9 887.0 886.4 893.8 902.3 903.0 905.3 905.3 DAY 19 1 20 8 5 3 19 31 12 30 26 5 MIN. QFE PRESSURE IN HPA 891.4 890.1 884.2 887.5 882.2 880.1 878.4 881.7 884.6 889.2 890.4 893.1 878.4 DAY 27 29 9 20 31 30 1 12 2 11 19 30 MEAN QNH PRESSURE IN HPA 1020.3 1018.0 1014.0 1013.6 1012.5 1005.9 1003.7 1005.4 1012.1 1018.1 1020.2 1021.3 1013.7 MAX. QNH PRESSURE IN HPA 1026.3 1026.1 1022.3 1021.1 1020.2 1011.2 1008.0 1007.3 1015.5 1025.0 1025.7 1028.3 1028.3 DAY 19 1 20 8 5 3 19 31 12 30 26 5 MIN. QNH PRESSURE IN HPA 1012.9 1011.4 1004.9 1008.6 1002.7 1000.3 998.5 1002.1 1005.3 1010.4 1011.8 1014.8 998.5 DAY 27 29 9 20 31 30 1 12 2 11 19 30 MEAN QFF PRESSURE IN HPA 1019.6 1015.3 1011.6 1008.4 1004.7 995.5 993.2 995.6 1004.2 1012.7 1017.9 1021.6 1008.4 MAX. QFF PRESSURE IN HPA 1027.4 1026.7 1024.0 1016.6 1015.2 1001.4 999.3 998.5 1008.9 1021.9 1024.8 1029.4 1029.4 DAY 29 1 20 8 6 14 19 18 12 30 26 5 MIN. QFF PRESSURE IN HPA 1010.2 1006.9 1000.2 1002.1 993.0 989.6 987.6 991.8 995.1 1004.6 1006.2 1015.0 987.6 DAY 27 29 9 20 31 30 1 12 2 11 19 2 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 898.4 896.4 892.9 892.6 891.6 885.8 884.0 885.4 891.4 896.7 898.3 899.5 892.8 MAX. QFE PRESSURE IN HPA 903.4 903.8 900.3 899.2 898.1 890.7 887.9 887.2 894.6 902.5 902.7 906.1 906.1 DAY 19 1 20 8 5 14 19 14 12 30 11 5 MIN. QFE PRESSURE IN HPA 891.6 890.6 885.9 888.2 884.0 880.7 879.2 882.6 885.2 890.4 890.5 894.5 879.2 DAY 27 29 7 19 31 30 1 11 2 8 19 29 MEAN QNH PRESSURE IN HPA 1020.6 1018.5 1014.6 1014.2 1013.1 1006.6 1004.7 1006.2 1012.9 1018.8 1020.5 1021.9 1014.4 MAX. QNH PRESSURE IN HPA 1026.2 1026.6 1022.8 1021.5 1020.3 1012.1 1009.0 1008.2 1016.4 1025.2 1025.4 1029.2 1029.2 DAY 19 1 20 8 5 14 19 14 12 30 11 5 MIN. QNH PRESSURE IN HPA 1013.1 1012.0 1006.8 1009.3 1004.7 1001.0 999.3 1003.1 1006.0 1011.8 1011.9 1016.3 999.3 DAY 27 29 7 19 31 30 1 11 2 8 19 29 MEAN QFF PRESSURE IN HPA 1019.1 1014.9 1011.5 1008.3 1004.7 995.7 993.6 995.8 1004.0 1012.3 1017.3 1021.5 1008.2 MAX. QFF PRESSURE IN HPA 1026.7 1025.8 1024.9 1016.8 1014.6 1002.1 999.7 998.4 1008.7 1020.4 1024.6 1029.2 1029.2 DAY 29 1 20 8 6 14 19 18 12 30 11 5 MIN. QFF PRESSURE IN HPA 1009.7 1006.7 1001.4 1002.2 994.3 989.9 987.1 991.5 994.6 1001.9 1005.5 1015.0 987.1 DAY 27 29 7 20 31 30 1 12 2 8 19 2 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 898.5 896.6 893.0 892.5 891.8 886.2 884.7 885.8 891.8 897.0 898.7 899.3 893.0 MAX. QFE PRESSURE IN HPA 903.2 904.1 900.3 899.6 898.2 890.7 889.7 888.1 895.0 902.5 903.8 905.7 905.7 DAY 19 1 20 7 5 14 21 14 24 30 26 5 MIN. QFE PRESSURE IN HPA 892.8 890.6 886.0 880.5 885.5 881.4 879.7 883.2 886.0 890.4 890.5 893.5 879.7 DAY 27 29 8 28 16 30 1 11 2 8 19 29 MEAN QNH PRESSURE IN HPA 1020.8 1018.6 1014.7 1014.1 1013.4 1007.2 1005.4 1006.7 1013.3 1019.1 1020.9 1021.6 1014.6 MAX. QNH PRESSURE IN HPA 1026.0 1027.0 1022.8 1022.0 1020.4 1012.1 1011.0 1009.2 1016.9 1025.2 1026.6 1028.7 1028.7 DAY 19 1 20 7 5 14 21 14 24 30 26 5 MIN. QNH PRESSURE IN HPA 1014.4 1012.0 1006.9 1000.8 1006.3 1001.8 999.9 1003.8 1006.9 1011.8 1011.9 1015.2 999.9 DAY 27 29 8 28 16 30 1 11 2 8 19 29 MEAN QFF PRESSURE IN HPA 1018.3 1014.1 1011.1 1008.0 1005.0 996.0 994.0 995.8 1004.1 1011.8 1016.8 1020.0 1007.9 MAX. QFF PRESSURE IN HPA 1026.2 1025.2 1024.6 1016.1 1014.7 1002.4 999.4 998.3 1008.8 1019.8 1024.8 1027.8 1027.8 DAY 28 1 20 8 5 14 29 18 12 30 26 5 MIN. QFF PRESSURE IN HPA 1011.2 1005.9 1001.4 991.9 995.3 990.2 986.9 992.3 995.2 1002.0 1004.3 1013.8 986.9 DAY 27 29 7 28 16 30 1 25 2 8 19 2 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1961 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 9.4 11.4 17.9 19.7 27.7 30.4 32.5 30.5 29.3 21.6 15.2 12.5 21.5 MINIMUN AIR TEMPERATURE (C) 4.3 5.9 11.7 13.9 21.8 23.9 26.3 24.3 23.5 15.7 9.9 7.4 15.7 DAYS WITH MINIMUM TEMP. >=21 0 0 0 1 26 27 31 31 25 2 0 0 143 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 2 4 0 0 0 0 0 0 0 0 0 0 6 TEMPERATURE RECORDS LOWEST(C) -1.0 -1.0 4.0 8.0 13.0 19.0 23.0 21.0 19.0 6.0 3.0 3.0 -1.0 DAY 11 4 5 10 3 9 3 11 27 29 27 31 MAXIMUM AIR TEMPERATURE (C) 15.8 18.4 24.4 26.0 34.1 36.3 38.4 35.8 36.4 29.3 23.0 20.0 28.2 DAYS WITH MAXIMUM TEMP. >=30 0 0 2 9 27 29 31 31 30 18 0 0 177 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 27.0 29.0 31.0 36.0 40.0 42.0 42.0 41.0 40.0 36.0 28.0 25.0 42.0 DAY 21 28 2 29 27 6 12 8 12 5 22 15 DIF. BETWEEN (MAX.-MIN.) (C) 11.5 12.5 12.7 12.1 12.3 12.4 12.1 11.5 12.9 13.6 13.1 12.6 12.5 MEAN DAILY TEMP. (MDT) (C) 10.1 12.2 18.1 19.9 28.0 30.1 32.3 30.0 30.0 22.5 16.4 13.7 21.9 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 7.0 40.0 218.5 272.5 351.5 280.0 269.0 83.0 0.0 0.0 1521.5 HEATING DEG. DAYS(BASE 18 0C) 247.5 165.0 35.0 28.0 0.0 0.0 0.0 0.0 0.0 18.0 58.5 135.5 687.5 DEWPOINT (MEAN C) 0.1 -0.4 3.3 6.9 9.9 8.3 10.3 8.6 10.2 3.7 2.2 0.6 5.3 MIXING RATIO (G/KG) 4.40 4.28 5.61 7.15 8.82 8.01 9.15 8.25 9.23 5.86 5.29 4.60 6.72 VAPOUR PRESSURE (HPA) 6.31 6.11 7.98 10.14 12.44 11.28 12.80 11.59 12.96 8.35 7.56 6.58 9.51 SATURATION DEF. (HPA) 6.10 8.43 13.48 14.37 26.12 33.47 37.31 33.09 29.28 18.97 10.58 8.61 19.98 RELATIVE HUMIDITY (MEAN %) 54 46 40 46 35 26 27 27 32 32 43 46 38 RELATIVE HUMIDITY (MAX. %) 70 62 56 62 47 35 37 35 42 43 55 60 50 RELATIVE HUMIDITY (MIN. %) 40 32 27 33 25 20 18 19 23 24 32 34 27 RELATIVE HUMIDITY (MEAN% 03UTC) 62 52 46 55 39 31 30 30 33 33 45 48 42 RELATIVE HUMIDITY (MEAN% 09UTC) 41 33 29 38 26 22 21 21 24 25 34 34 29 RELATIVE HUMIDITY (MEAN% 15UTC) 56 45 40 43 36 24 25 24 34 36 49 54 39 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 2.2 0.0 5.5 10.5 10.6 0.0 0.0 0.0 0.0 0.0 1.0 6.0 35.8 DAYS WITH PRECIPITATION >=10 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH PRECIPITATION >= 5 0 0 0 0 1 0 0 0 0 0 0 1 2 DAYS WITH PRECIPITATION >= 1 1 0 3 4 3 0 0 0 0 0 1 1 13 DAYS WITH PRECIPITATION 6 0 4 7 5 0 0 0 0 0 1 1 24 GREATEST DAILY PRECIPITATION 1.2 0.0 2.0 4.0 5.0 0.0 0.0 0.0 0.0 0.0 1.0 6.0 6.0 DAY 31 ** 16 11 2 ** ** ** ** ** 13 28 DAY WITH THUNDER STORM 0 0 0 2 1 0 0 0 0 0 3 0 6 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 1 3 9 3 7 3 2 7 0 0 1 1 37 WIND DIRECTION (PREVAILING) 360 270 270 270 270 360 360 315 360 315 360 315 360 PREVAILING WIND SPEED(KNOTS) 6.8 10.9 12.9 10.8 10.9 13.0 12.4 9.7 9.5 9.2 7.3 8.1 10.0 PREVAILING WIND PERCENT 36.3 29.9 40.3 27.5 32.3 41.7 48.0 46.0 45.4 45.2 30.8 36.7 35.0 CALMS PERCENT OF WIND 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 NO. OF WIND OBSERVATION 248 224 248 240 248 240 248 248 240 248 240 248 2920 VECTOR WIND DIRECTION (MEAN) 323 318 291 324 316 335 340 344 340 338 322 322 328 VECTOR WIND MAGNITUDE(KNOTS) 5.1 6.0 6.8 6.2 7.1 9.7 9.6 10.7 7.8 8.3 5.7 6.6 7.2 WIND STEADINESES (MEAN %) 64.6 64.5 62.4 66.7 71.0 78.9 85.7 90.7 85.7 86.5 70.4 75.9 72.7 WIND SPEED (MEAN KNOTS) 7.9 9.3 10.9 9.3 10.0 12.3 11.2 11.8 9.1 9.6 8.1 8.7 9.9 FASTEST WIND DIRECTION 230 230 180 280 360 330 360 360 360 330 270 280 180 FASTEST WIND SPEED (KNOTS) 20 20 40 20 28 28 28 28 20 20 20 16 40 DAY 22 9 13 2 21 22 16 9 8 25 12 3 DAYS WITH SKY CLEAR (0-2)/8 17 22 14 16 24 30 30 30 27 31 24 28 293 DAYS WITH P.CLOUDY (3-6)/8 13 5 16 12 7 0 1 1 3 0 6 2 66 DAYS WITH CLOUDY (7-8)/8 1 1 1 2 0 0 0 0 0 0 0 1 6 DAYS WITH VISIBILITY =< 2 KM 0 0 0 0 0 0 0 0 0 0 0 0 0 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1961 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 898.0 895.7 893.3 892.7 889.9 887.7 883.6 886.7 888.1 896.5 897.7 897.2 892.3 MAX. QFE PRESSURE IN HPA 907.2 904.6 905.1 899.2 896.2 896.3 889.0 892.9 894.5 903.6 904.5 906.0 907.2 DAY-HOUR 10- 6 23- 6 4- 6 21- 6 1-21 10- 6 24- 6 10- 6 29- 6 31-21 1- 6 4- 6 MIN. QFE PRESSURE IN HPA 890.7 886.6 884.4 883.7 879.8 879.1 879.4 881.2 883.0 889.5 891.2 888.1 879.1 DAY-HOUR 27- 3 17-12 13- 9 8-15 30-12 7- 0 15-15 8-12 11-12 2-12 24-12 22-12 MEAN QNH PRESSURE IN HPA 1020.2 1017.7 1015.0 1014.3 1011.2 1008.7 1004.3 1007.6 1009.2 1018.6 1019.9 1019.3 1013.8 MAX. QNH PRESSURE IN HPA 1030.4 1027.5 1028.1 1021.5 1018.2 1018.3 1010.2 1014.5 1016.3 1026.4 1027.4 1029.1 1030.4 DAY-HOUR 10- 6 23- 6 4- 6 21- 6 1-21 10- 6 24- 6 10- 6 29- 6 31-21 1- 6 4- 6 MIN. QNH PRESSURE IN HPA 1012.1 1007.6 1005.1 1004.3 1000.0 999.2 999.6 1001.6 1003.6 1010.8 1012.7 1009.2 999.2 DAY-HOUR 27- 3 17-12 13- 9 8-15 30-12 7- 0 15-15 8-12 11-12 2-12 24-12 22-12 MEAN QFF PRESSURE IN HPA 1019.5 1016.1 1010.5 1008.9 1002.3 998.8 993.4 997.7 999.6 1012.5 1016.6 1017.2 1007.7 MAX. QFF PRESSURE IN HPA 1032.3 1027.8 1025.9 1018.1 1012.7 1010.2 999.6 1004.8 1009.7 1024.9 1026.5 1029.5 1032.3 DAY-HOUR 10- 6 23- 6 4- 6 18- 6 2- 3 10- 3 25- 6 10- 6 30- 3 31- 3 29- 3 4- 3 MIN. QFF PRESSURE IN HPA 1007.3 1004.3 1000.0 999.4 989.9 986.9 987.4 990.6 992.8 1002.4 1006.8 1004.6 986.9 DAY-HOUR 22- 3 17-12 13- 9 8-12 30-12 6-21 15-12 8-12 11-12 2-12 24- 9 22- 9 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 897.8 895.5 892.9 892.4 889.7 887.8 883.9 886.9 888.3 896.6 898.0 897.5 892.3 MAX. QFE PRESSURE IN HPA 904.7 902.5 901.2 896.9 895.0 894.5 887.0 891.3 894.2 901.8 903.6 905.0 905.0 DAY 10 23 4 22 2 11 24 10 30 31 1 3 MIN. QFE PRESSURE IN HPA 891.6 889.0 887.5 885.4 882.0 879.1 880.4 883.7 884.0 890.6 892.3 890.5 879.1 DAY 30 3 13 9 29 7 15 2 11 3 24 23 MEAN QNH PRESSURE IN HPA 1020.0 1017.4 1014.5 1014.0 1011.0 1008.9 1004.5 1007.9 1009.4 1018.7 1020.2 1019.7 1013.9 MAX. QNH PRESSURE IN HPA 1027.6 1025.2 1023.7 1019.0 1016.9 1016.3 1008.0 1012.8 1016.0 1024.4 1026.4 1028.0 1028.0 DAY 10 23 4 22 2 11 24 10 30 31 1 3 MIN. QNH PRESSURE IN HPA 1013.1 1010.2 1008.6 1006.2 1002.5 999.2 1000.7 1004.3 1004.7 1012.0 1013.9 1011.9 999.2 DAY 30 3 13 9 29 7 15 2 11 3 24 23 MEAN QFF PRESSURE IN HPA 1019.0 1015.7 1009.7 1008.6 1002.2 999.1 993.6 997.9 999.8 1012.5 1016.8 1017.5 1007.7 MAX. QFF PRESSURE IN HPA 1029.7 1025.7 1023.2 1016.9 1010.7 1008.9 998.0 1002.7 1008.6 1022.1 1023.8 1027.0 1029.7 DAY 11 23 5 19 2 10 3 10 30 31 26 4 MIN. QFF PRESSURE IN HPA 1007.5 1006.0 1002.4 1000.0 991.3 986.9 988.9 992.9 993.9 1004.0 1008.0 1007.5 986.9 DAY 22 16 13 2 29 7 15 5 11 3 24 23 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 898.4 896.3 893.9 893.7 890.9 889.0 884.5 887.7 889.0 897.2 898.5 897.7 893.1 MAX. QFE PRESSURE IN HPA 905.9 903.7 903.4 898.3 895.6 895.7 888.0 892.4 894.5 902.9 904.1 905.5 905.9 DAY 10 23 4 26 2 10 24 10 30 31 1 3 MIN. QFE PRESSURE IN HPA 890.7 890.4 886.8 886.5 882.1 882.1 881.0 884.1 884.7 891.0 892.8 891.3 881.0 DAY 27 3 13 2 30 7 15 8 11 3 24 23 MEAN QNH PRESSURE IN HPA 1020.6 1018.4 1015.7 1015.4 1012.3 1010.2 1005.3 1008.8 1010.2 1019.3 1020.8 1019.9 1014.7 MAX. QNH PRESSURE IN HPA 1029.0 1026.5 1026.2 1020.5 1017.5 1017.7 1009.1 1014.0 1016.3 1025.6 1027.0 1028.5 1029.0 DAY 10 23 4 26 2 10 24 10 30 31 1 3 MIN. QNH PRESSURE IN HPA 1012.1 1011.8 1007.8 1007.4 1002.6 1002.6 1001.3 1004.8 1005.4 1012.4 1014.4 1012.8 1001.3 DAY 27 3 13 2 30 7 15 8 11 3 24 23 MEAN QFF PRESSURE IN HPA 1020.8 1017.8 1011.9 1010.6 1004.1 1000.9 994.8 999.5 1001.6 1014.3 1018.7 1019.0 1009.5 MAX. QFF PRESSURE IN HPA 1031.5 1027.7 1023.8 1018.0 1012.7 1010.2 998.9 1004.5 1009.7 1024.9 1026.5 1029.5 1031.5 DAY 10 23 4 19 2 10 24 10 30 31 29 4 MIN. QFF PRESSURE IN HPA 1007.3 1008.5 1001.4 1002.0 992.8 992.9 990.5 994.3 996.0 1005.8 1009.1 1009.5 990.5 DAY 22 16 13 2 29 7 15 2 11 3 24 15 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1961 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 899.7 897.4 895.0 894.4 891.4 889.3 884.7 887.8 889.2 897.6 899.1 898.6 893.7 MAX. QFE PRESSURE IN HPA 907.2 904.6 905.1 899.2 896.1 896.3 889.0 892.9 894.5 903.5 904.5 906.0 907.2 DAY 10 23 4 21 2 10 24 10 29 31 1 4 MIN. QFE PRESSURE IN HPA 892.0 891.8 888.1 887.1 882.0 883.8 881.2 884.1 884.6 891.1 893.6 892.0 881.2 DAY 27 17 13 2 30 6 15 8 11 2 24 22 MEAN QNH PRESSURE IN HPA 1022.1 1019.6 1016.9 1016.2 1012.9 1010.5 1005.4 1008.9 1010.5 1019.8 1021.4 1020.8 1015.4 MAX. QNH PRESSURE IN HPA 1030.4 1027.5 1028.1 1021.5 1018.1 1018.3 1010.2 1014.5 1016.3 1026.3 1027.4 1029.1 1030.4 DAY 10 23 4 21 2 10 24 10 29 31 1 4 MIN. QNH PRESSURE IN HPA 1013.5 1013.3 1009.2 1008.1 1002.5 1004.4 1001.6 1004.8 1005.3 1012.5 1015.3 1013.5 1001.6 DAY 27 17 13 2 30 6 15 8 11 2 24 22 MEAN QFF PRESSURE IN HPA 1021.7 1018.3 1012.5 1010.7 1003.8 1000.5 994.7 998.7 1000.6 1013.4 1018.1 1018.8 1009.3 MAX. QFF PRESSURE IN HPA 1032.3 1027.8 1025.9 1018.1 1012.4 1009.9 999.6 1004.8 1008.2 1023.3 1025.3 1027.4 1032.3 DAY 10 23 4 18 2 10 25 10 30 31 29 4 MIN. QFF PRESSURE IN HPA 1009.9 1010.0 1004.1 1002.5 992.7 993.2 990.1 993.9 993.6 1004.7 1010.1 1009.4 990.1 DAY 22 16 13 2 30 6 15 1 11 2 24 22 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 897.8 895.8 893.5 892.9 890.0 888.1 883.8 886.6 888.0 896.2 897.0 896.5 892.2 MAX. QFE PRESSURE IN HPA 905.3 902.9 903.3 898.2 894.7 894.6 888.3 890.9 893.7 902.2 902.7 903.7 905.3 DAY 10 22 4 18 2 10 24 10 29 31 1 4 MIN. QFE PRESSURE IN HPA 891.1 888.9 884.4 885.4 881.3 881.9 880.6 882.9 883.9 890.1 891.4 888.8 880.6 DAY 27 17 13 9 30 6 14 8 11 2 24 22 MEAN QNH PRESSURE IN HPA 1020.0 1017.8 1015.2 1014.6 1011.4 1009.2 1004.4 1007.5 1009.1 1018.2 1019.1 1018.5 1013.7 MAX. QNH PRESSURE IN HPA 1028.3 1025.6 1026.1 1020.4 1016.5 1016.4 1009.4 1012.3 1015.4 1024.9 1025.4 1026.5 1028.3 DAY 10 22 4 18 2 10 24 10 29 31 1 4 MIN. QNH PRESSURE IN HPA 1012.5 1010.1 1005.1 1006.2 1001.7 1002.3 1000.9 1003.5 1004.6 1011.4 1012.9 1010.0 1000.9 DAY 27 17 13 9 30 6 14 8 11 2 24 22 MEAN QFF PRESSURE IN HPA 1018.6 1015.4 1010.1 1008.7 1002.0 998.9 993.4 997.1 998.8 1011.2 1014.7 1015.3 1007.0 MAX. QFF PRESSURE IN HPA 1029.6 1024.7 1023.7 1018.1 1010.8 1007.9 998.4 1002.7 1007.2 1021.2 1021.9 1024.1 1029.6 DAY 10 22 4 18 2 10 24 10 29 31 29 3 MIN. QFF PRESSURE IN HPA 1008.8 1006.6 1000.0 1000.6 991.2 990.3 988.5 991.5 993.1 1002.5 1006.8 1004.6 988.5 DAY 22 17 13 9 30 6 15 8 11 2 24 22 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 896.7 894.3 892.1 891.3 888.6 886.3 882.4 885.3 886.8 895.4 896.3 895.7 890.9 MAX. QFE PRESSURE IN HPA 904.2 901.4 902.3 896.8 894.0 893.1 886.2 888.4 892.8 901.9 902.0 903.2 904.2 DAY 10 22 4 18 2 10 24 10 29 31 1 3 MIN. QFE PRESSURE IN HPA 890.9 886.6 885.7 883.8 879.8 879.5 879.6 881.2 883.0 889.5 891.2 888.1 879.5 DAY 27 17 13 9 30 6 15 8 11 2 24 22 MEAN QNH PRESSURE IN HPA 1018.8 1016.1 1013.6 1012.7 1009.7 1007.2 1002.9 1006.1 1007.8 1017.3 1018.4 1017.6 1012.4 MAX. QNH PRESSURE IN HPA 1027.1 1024.0 1025.0 1018.9 1015.8 1014.8 1007.1 1009.6 1014.4 1024.5 1024.6 1026.0 1027.1 DAY 10 22 4 18 2 10 24 10 29 31 1 3 MIN. QNH PRESSURE IN HPA 1012.3 1007.6 1006.6 1004.4 1000.0 999.7 999.8 1001.6 1003.6 1010.8 1012.7 1009.2 999.7 DAY 27 17 13 9 30 6 15 8 11 2 24 22 MEAN QFF PRESSURE IN HPA 1017.8 1014.2 1008.8 1007.1 1000.7 997.2 991.7 996.0 997.9 1011.0 1014.8 1015.3 1006.0 MAX. QFF PRESSURE IN HPA 1029.0 1023.6 1023.1 1016.7 1010.8 1006.7 996.4 1000.2 1006.9 1022.0 1021.8 1025.1 1029.0 DAY 10 22 4 18 2 10 24 10 29 31 29 3 MIN. QFF PRESSURE IN HPA 1007.8 1004.3 1001.0 999.4 989.9 987.8 987.4 990.6 992.8 1002.4 1006.8 1004.7 987.4 DAY 21 17 13 8 30 6 15 8 11 2 24 22 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1961 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 897.6 894.9 892.5 891.4 888.7 886.3 882.4 885.6 887.1 896.0 897.2 896.7 891.4 MAX. QFE PRESSURE IN HPA 905.1 901.8 902.7 897.2 894.1 893.5 886.1 888.8 893.4 902.4 902.6 904.3 905.1 DAY 10 22 4 18 14 10 24 10 29 31 1 3 MIN. QFE PRESSURE IN HPA 891.9 886.6 886.8 883.7 880.4 879.5 879.4 881.3 883.4 889.9 891.8 889.2 879.4 DAY 27 17 17 8 30 6 15 8 11 2 24 22 MEAN QNH PRESSURE IN HPA 1019.7 1016.8 1014.1 1012.9 1009.9 1007.2 1002.9 1006.4 1008.1 1017.9 1019.4 1018.7 1012.8 MAX. QNH PRESSURE IN HPA 1028.1 1024.4 1025.4 1019.3 1015.9 1015.2 1007.0 1010.0 1015.1 1025.1 1025.3 1027.2 1028.1 DAY 10 22 4 18 14 10 24 10 29 31 1 3 MIN. QNH PRESSURE IN HPA 1013.4 1007.6 1007.8 1004.3 1000.7 999.7 999.6 1001.7 1004.0 1011.2 1013.3 1010.4 999.6 DAY 27 17 17 8 30 6 15 8 11 2 24 22 MEAN QFF PRESSURE IN HPA 1019.9 1016.0 1010.3 1008.0 1001.5 997.8 992.3 997.0 999.3 1012.9 1017.1 1017.7 1007.5 MAX. QFF PRESSURE IN HPA 1030.9 1024.9 1024.6 1017.6 1010.0 1007.1 996.9 1001.2 1008.2 1023.7 1024.5 1028.0 1030.9 DAY 10 6 4 18 2 10 24 28 29 31 29 3 MIN. QFF PRESSURE IN HPA 1010.1 1005.3 1002.8 1000.0 990.9 989.6 987.9 991.7 993.8 1004.2 1007.9 1007.4 987.9 DAY 27 17 17 8 28 6 15 8 11 5 24 22 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 898.1 896.0 893.5 892.8 889.8 887.3 883.6 886.7 888.1 896.7 897.8 897.4 892.3 MAX. QFE PRESSURE IN HPA 905.9 902.9 903.2 897.8 895.1 894.7 887.1 889.8 893.9 903.4 902.9 904.8 905.9 DAY 10 22 4 18 14 10 24 9 29 31 1 3 MIN. QFE PRESSURE IN HPA 892.8 887.6 887.8 884.7 881.2 880.3 880.3 883.5 884.6 890.4 892.5 890.2 880.3 DAY 21 17 17 8 30 6 13 1 10 2 23 22 MEAN QNH PRESSURE IN HPA 1020.3 1017.9 1015.2 1014.4 1011.1 1008.3 1004.2 1007.7 1009.2 1018.8 1020.0 1019.5 1013.9 MAX. QNH PRESSURE IN HPA 1029.0 1025.6 1026.0 1020.0 1017.0 1016.5 1008.1 1011.1 1015.7 1026.2 1025.6 1027.7 1029.0 DAY 10 22 4 18 14 10 24 9 29 31 1 3 MIN. QNH PRESSURE IN HPA 1014.4 1008.7 1008.9 1005.4 1001.6 1000.6 1000.6 1004.1 1005.3 1011.8 1014.1 1011.6 1000.6 DAY 21 17 17 8 30 6 13 1 10 2 23 22 MEAN QFF PRESSURE IN HPA 1019.9 1016.5 1010.7 1008.9 1002.2 998.3 993.5 997.6 999.6 1012.6 1016.8 1017.5 1007.8 MAX. QFF PRESSURE IN HPA 1031.4 1026.2 1025.5 1018.1 1009.9 1008.6 998.6 1001.5 1007.4 1023.4 1023.6 1026.2 1031.4 DAY 10 22 4 18 2 10 24 24 29 31 25 3 MIN. QFF PRESSURE IN HPA 1009.9 1005.1 1003.2 1000.7 990.3 988.9 988.6 992.7 994.1 1003.6 1008.5 1007.2 988.6 DAY 21 17 17 8 28 6 13 1 11 5 23 22 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 897.8 895.8 893.4 892.9 889.9 887.4 883.9 887.0 888.3 896.9 897.9 897.4 892.4 MAX. QFE PRESSURE IN HPA 905.3 902.8 902.6 897.7 896.2 894.9 887.0 890.8 894.1 903.6 902.9 905.0 905.3 DAY 10 22 4 18 1 10 24 9 29 31 1 3 MIN. QFE PRESSURE IN HPA 892.2 889.0 888.8 885.0 881.8 879.5 880.6 883.6 884.4 890.4 892.8 890.1 879.5 DAY 29 17 31 8 30 6 14 1 10 2 23 22 MEAN QNH PRESSURE IN HPA 1020.0 1017.8 1015.0 1014.5 1011.2 1008.5 1004.6 1008.0 1009.5 1019.0 1020.1 1019.5 1014.0 MAX. QNH PRESSURE IN HPA 1028.3 1025.5 1025.3 1019.9 1018.2 1016.8 1008.0 1012.2 1015.9 1026.4 1025.6 1028.0 1028.3 DAY 10 22 4 18 1 10 24 9 29 31 1 3 MIN. QNH PRESSURE IN HPA 1013.8 1010.2 1010.0 1005.8 1002.2 999.7 1000.9 1004.2 1005.1 1011.8 1014.4 1011.4 999.7 DAY 29 17 31 8 30 6 14 1 10 2 23 22 MEAN QFF PRESSURE IN HPA 1018.6 1015.4 1009.9 1008.7 1002.0 998.3 993.6 997.7 999.4 1012.2 1015.9 1016.5 1007.3 MAX. QFF PRESSURE IN HPA 1029.9 1025.8 1024.5 1017.6 1011.6 1008.6 997.4 1002.5 1007.9 1022.7 1024.0 1025.5 1029.9 DAY 10 22 4 18 1 10 2 24 29 31 25 3 MIN. QFF PRESSURE IN HPA 1008.5 1005.7 1002.4 1000.3 991.4 986.9 989.2 992.3 994.0 1003.2 1007.6 1006.5 986.9 DAY 21 17 9 8 28 6 13 4 10 2 23 22 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1962 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 9.6 15.0 18.8 21.6 27.3 32.2 33.2 30.8 27.2 23.9 15.2 11.8 22.2 MINIMUN AIR TEMPERATURE (C) 4.2 8.9 12.7 15.1 20.7 23.3 24.9 22.5 18.6 15.5 8.0 5.0 14.9 DAYS WITH MINIMUM TEMP. >=21 0 0 0 1 17 29 31 27 13 0 0 0 118 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 4 0 0 0 0 0 0 0 0 0 2 0 6 TEMPERATURE RECORDS LOWEST(C) -1.0 4.0 6.0 11.0 15.0 20.0 21.0 17.0 11.0 11.0 0.0 1.0 -1.0 DAY 20 15 4 19 1 14 22 29 28 13 29 2 MAXIMUM AIR TEMPERATURE (C) 16.9 22.4 25.9 28.1 34.0 36.7 36.6 34.8 31.5 30.2 21.4 18.8 28.1 DAYS WITH MAXIMUM TEMP. >=30 0 1 4 12 29 30 31 31 19 21 2 0 180 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 25.0 30.0 31.0 33.0 41.0 42.0 40.0 39.0 36.0 35.0 30.0 25.0 42.0 DAY 8 18 21 3 27 15 15 22 13 11 8 9 DIF. BETWEEN (MAX.-MIN.) (C) 12.7 13.5 13.2 13.0 13.3 13.4 11.7 12.3 12.9 14.7 13.4 13.8 13.2 MEAN DAILY TEMP. (MDT) (C) 10.5 15.6 19.3 21.6 27.3 30.0 30.8 28.6 25.0 22.8 14.7 11.9 21.5 COOLING DEG. DAYS(BASE 21 0C) 0.0 1.5 13.5 39.5 196.5 269.5 303.0 237.0 128.5 65.0 3.0 0.0 1257.0 HEATING DEG. DAYS(BASE 18 0C) 231.5 84.5 17.0 1.5 0.0 0.0 0.0 0.0 0.0 0.0 129.5 189.0 653.0 DEWPOINT (MEAN C) -1.9 1.1 3.5 7.9 8.0 10.8 8.9 8.5 4.8 4.0 -0.1 0.2 4.6 MIXING RATIO (G/KG) 3.84 4.88 5.69 7.85 7.82 9.47 8.29 8.12 6.37 5.90 4.48 4.49 6.43 VAPOUR PRESSURE (HPA) 5.50 6.96 8.09 11.10 11.04 13.31 11.63 11.43 9.02 8.42 6.43 6.43 9.11 SATURATION DEF. (HPA) 7.12 11.06 14.59 15.84 26.91 35.92 39.94 33.97 28.59 22.28 12.29 8.06 21.38 RELATIVE HUMIDITY (MEAN %) 47 41 39 45 31 28 23 26 25 28 37 47 35 RELATIVE HUMIDITY (MAX. %) 66 57 52 61 41 37 32 34 35 37 48 59 47 RELATIVE HUMIDITY (MIN. %) 31 26 27 32 22 22 18 21 18 22 27 36 25 RELATIVE HUMIDITY (MEAN% 03UTC) 54 45 43 53 34 35 31 33 30 31 43 53 40 RELATIVE HUMIDITY (MEAN% 09UTC) 34 28 29 36 24 24 20 22 21 24 29 38 27 RELATIVE HUMIDITY (MEAN% 15UTC) 51 45 36 39 32 25 21 24 24 30 42 53 35 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 3.0 2.2 9.0 36.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 9.0 59.5 DAYS WITH PRECIPITATION >=10 0 0 0 1 0 0 0 0 0 0 0 0 1 DAYS WITH PRECIPITATION >= 5 0 0 1 5 0 0 0 0 0 0 0 1 7 DAYS WITH PRECIPITATION >= 1 2 1 2 6 0 0 0 0 0 0 0 1 12 DAYS WITH PRECIPITATION 2 3 2 7 0 2 0 0 0 0 2 1 19 GREATEST DAILY PRECIPITATION 2.0 1.0 8.0 12.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 9.0 12.0 DAY 23 21 16 24 ** ** ** ** ** ** ** 15 DAY WITH THUNDER STORM 0 0 0 2 0 0 0 0 0 0 0 0 2 DAYS WITH SNOW OR SLEET 1 0 0 0 0 0 0 0 0 0 0 0 1 DAYS WITH DUST 1 2 6 4 2 3 5 3 2 2 0 0 30 WIND DIRECTION (PREVAILING) 360 270 270 315 360 360 360 360 360 315 360 360 360 PREVAILING WIND SPEED(KNOTS) 9.4 10.6 12.0 10.2 10.8 13.9 17.0 14.2 14.0 11.7 10.1 9.5 11.8 PREVAILING WIND PERCENT 41.5 31.3 32.3 37.5 47.9 44.7 48.4 52.9 58.0 43.9 47.3 40.6 40.4 CALMS PERCENT OF WIND 0.0 0.0 0.0 0.0 0.0 0.7 0.0 0.0 0.0 0.0 0.0 0.0 0.0 NO. OF WIND OBSERVATION 248 224 248 240 219 150 155 155 150 155 150 155 2249 VECTOR WIND DIRECTION (MEAN) 328 317 307 320 340 343 342 345 349 333 337 329 335 VECTOR WIND MAGNITUDE(KNOTS) 7.1 7.2 7.6 8.2 9.0 10.4 14.1 12.0 12.0 9.5 7.1 6.9 9.0 WIND STEADINESES (MEAN %) 77.2 73.5 66.7 74.5 84.1 83.9 91.6 91.6 95.2 84.8 75.5 74.2 79.6 WIND SPEED (MEAN KNOTS) 9.2 9.8 11.4 11.0 10.7 12.4 15.4 13.1 12.6 11.2 9.4 9.3 11.3 FASTEST WIND DIRECTION 180 360 230 330 230 270 360 320 360 320 360 270 230 FASTEST WIND SPEED (KNOTS) 20 20 28 20 20 20 20 20 20 26 20 20 28 DAY 9 8 29 5 11 10 4 1 9 12 11 8 DAYS WITH SKY CLEAR (0-2)/8 26 13 21 16 27 25 30 29 29 31 27 17 291 DAYS WITH P.CLOUDY (3-6)/8 5 15 9 11 3 5 1 2 1 0 3 9 64 DAYS WITH CLOUDY (7-8)/8 0 0 1 3 1 0 0 0 0 0 0 5 10 DAYS WITH VISIBILITY =< 2 KM 0 0 0 0 0 0 0 0 0 0 0 0 0 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1962 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 897.6 895.2 893.0 891.6 890.5 888.2 885.7 888.6 892.0 897.0 900.5 897.8 893.1 MAX. QFE PRESSURE IN HPA 907.4 904.0 901.9 898.8 896.5 895.4 891.6 893.8 900.2 903.9 907.2 906.1 907.4 DAY-HOUR 19- 6 11- 6 4- 6 19- 6 17- 6 2- 6 31- 6 27- 6 25- 6 27- 6 23- 6 1- 6 MIN. QFE PRESSURE IN HPA 889.3 889.3 884.5 882.4 884.4 880.6 881.2 883.1 885.0 889.0 895.0 890.8 880.6 DAY-HOUR 27-12 18-12 29-12 5-15 25-15 10-15 13-15 2-15 17-12 9-12 3-12 25-12 MEAN QNH PRESSURE IN HPA 1019.8 1017.1 1014.6 1013.1 1011.9 1009.3 1006.5 1009.8 1013.5 1019.1 1022.9 1020.0 1014.8 MAX. QNH PRESSURE IN HPA 1030.6 1026.9 1024.5 1021.1 1018.5 1017.3 1013.1 1015.5 1022.6 1026.7 1030.4 1029.2 1030.6 DAY-HOUR 19- 6 11- 6 4- 6 19- 6 17- 6 2- 6 31- 6 27- 6 25- 6 27- 6 23- 6 1- 6 MIN. QNH PRESSURE IN HPA 1010.6 1010.6 1005.2 1002.9 1005.1 1000.9 1001.6 1003.7 1005.8 1010.2 1016.9 1012.2 1000.9 DAY-HOUR 27-12 18-12 29-12 5-15 25-15 10-15 13-15 2-15 17-12 9-12 3-12 25-12 MEAN QFF PRESSURE IN HPA 1019.0 1013.9 1009.7 1006.7 1004.1 ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA 1031.3 1027.3 1022.7 1016.6 1010.8 ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR 19- 6 11- 3 4- 3 19- 6 17- 6 **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA 1007.0 1003.9 998.6 995.1 995.9 ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR 9-12 18-12 29-12 5-18 27-15 **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 897.9 895.6 892.9 891.4 891.0 ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA 905.8 903.4 901.0 896.6 895.6 ****** ****** ****** ****** ****** ****** ****** ****** DAY 19 1 4 19 17 ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA 892.8 891.0 886.4 884.1 887.3 ****** ****** ****** ****** ****** ****** ****** ****** DAY 6 28 29 6 11 ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA 1020.1 1017.5 1014.6 1012.9 1012.5 ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA 1028.9 1026.2 1023.5 1018.7 1017.5 ****** ****** ****** ****** ****** ****** ****** ****** DAY 19 1 4 19 17 ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA 1014.4 1012.4 1007.3 1004.8 1008.3 ****** ****** ****** ****** ****** ****** ****** ****** DAY 6 28 29 6 11 ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA 1019.2 1014.2 1009.4 1006.5 1004.6 ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA 1029.1 1025.4 1021.5 1013.8 1010.2 ****** ****** ****** ****** ****** ****** ****** ****** DAY 19 11 4 19 17 ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA 1011.4 1007.1 1000.6 996.3 998.4 ****** ****** ****** ****** ****** ****** ****** ****** DAY 9 28 29 6 11 ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 898.2 895.9 893.8 892.4 891.2 889.1 886.6 889.6 892.9 898.0 901.1 898.6 894.0 MAX. QFE PRESSURE IN HPA 906.3 903.5 901.6 897.4 896.2 895.2 891.4 893.2 899.5 903.3 906.8 905.4 906.8 DAY 19 11 4 19 17 2 31 27 28 27 23 1 MIN. QFE PRESSURE IN HPA 893.1 891.2 886.7 887.3 887.3 882.8 883.2 885.5 887.4 891.7 897.1 892.7 882.8 DAY 16 28 29 6 25 10 13 3 18 10 11 25 MEAN QNH PRESSURE IN HPA 1020.4 1017.9 1015.5 1013.9 1012.7 1010.4 1007.6 1010.9 1014.5 1020.2 1023.7 1020.9 1015.7 MAX. QNH PRESSURE IN HPA 1029.4 1026.3 1024.2 1019.5 1018.2 1017.1 1012.9 1014.9 1021.9 1026.1 1030.0 1028.4 1030.0 DAY 19 11 4 19 17 2 31 27 28 27 23 1 MIN. QNH PRESSURE IN HPA 1014.8 1012.7 1007.7 1008.3 1008.3 1003.3 1003.8 1006.3 1008.4 1013.2 1019.2 1014.3 1003.3 DAY 16 28 29 6 25 10 13 3 18 10 11 25 MEAN QFF PRESSURE IN HPA 1020.8 1015.7 1011.5 1008.2 1004.8 1000.9 997.7 1002.1 1007.7 1015.1 1022.4 1021.2 1010.7 MAX. QFF PRESSURE IN HPA 1031.1 1027.3 1022.7 1015.2 1010.7 1008.3 1003.7 1007.0 1018.3 1021.3 1030.7 1030.3 1031.1 DAY 19 11 4 19 17 2 31 29 28 27 23 1 MIN. QFF PRESSURE IN HPA 1013.0 1008.3 1001.3 1001.2 999.0 993.0 993.2 996.8 1000.1 1006.2 1015.4 1013.2 993.0 DAY 9 18 29 6 26 10 15 3 18 10 4 25 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1962 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 898.9 896.5 894.4 893.0 891.6 889.5 887.0 889.9 893.4 898.7 902.0 899.3 894.5 MAX. QFE PRESSURE IN HPA 907.4 904.0 901.9 898.8 896.5 895.4 891.6 893.8 900.2 903.9 907.2 906.1 907.4 DAY 19 11 4 19 17 2 31 27 25 27 23 1 MIN. QFE PRESSURE IN HPA 893.2 891.6 887.1 887.7 887.0 883.2 883.4 885.7 887.7 892.5 897.8 892.8 883.2 DAY 27 8 29 11 25 10 14 3 18 10 11 25 MEAN QNH PRESSURE IN HPA 1021.2 1018.5 1016.2 1014.7 1013.1 1010.8 1008.0 1011.3 1015.1 1020.9 1024.7 1021.6 1016.3 MAX. QNH PRESSURE IN HPA 1030.6 1026.9 1024.5 1021.1 1018.5 1017.3 1013.1 1015.5 1022.6 1026.7 1030.4 1029.2 1030.6 DAY 19 11 4 19 17 2 31 27 25 27 23 1 MIN. QNH PRESSURE IN HPA 1014.9 1013.1 1008.1 1008.8 1008.0 1003.8 1004.0 1006.6 1008.8 1014.1 1020.0 1014.4 1003.8 DAY 27 8 29 11 25 10 14 3 18 10 11 25 MEAN QFF PRESSURE IN HPA 1020.5 1015.3 1011.4 1008.3 1005.8 ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA 1031.3 1025.9 1022.0 1016.6 1010.8 ****** ****** ****** ****** ****** ****** ****** ****** DAY 19 11 4 19 17 ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA 1011.3 1007.5 1001.6 1001.2 999.4 ****** ****** ****** ****** ****** ****** ****** ****** DAY 9 8 29 11 11 ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 896.8 894.8 893.2 892.1 890.6 888.4 886.0 888.8 892.1 896.9 900.3 897.5 893.1 MAX. QFE PRESSURE IN HPA 905.3 902.6 900.8 898.5 895.6 894.6 890.6 892.6 899.0 903.2 905.3 904.3 905.3 DAY 19 11 3 19 17 2 30 26 25 27 23 1 MIN. QFE PRESSURE IN HPA 890.3 890.5 886.1 886.0 885.6 882.6 882.2 885.0 886.9 890.8 896.3 891.6 882.2 DAY 27 20 29 5 25 10 14 3 18 10 3 25 MEAN QNH PRESSURE IN HPA 1018.9 1016.7 1014.9 1013.7 1012.0 1009.5 1006.9 1010.0 1013.7 1019.0 1022.7 1019.7 1014.8 MAX. QNH PRESSURE IN HPA 1028.3 1025.3 1023.3 1020.8 1017.5 1016.4 1012.0 1014.2 1021.3 1026.0 1028.3 1027.2 1028.3 DAY 19 11 3 19 17 2 30 26 25 27 23 1 MIN. QNH PRESSURE IN HPA 1011.7 1011.9 1007.0 1006.9 1006.4 1003.1 1002.7 1005.8 1007.9 1012.2 1018.3 1013.1 1002.7 DAY 27 20 29 5 25 10 14 3 18 10 3 25 MEAN QFF PRESSURE IN HPA 1017.2 1012.7 1009.2 1007.0 1004.3 ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA 1028.2 1023.3 1019.4 1016.2 1009.1 ****** ****** ****** ****** ****** ****** ****** ****** DAY 19 11 3 19 17 ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA 1007.3 1005.1 999.6 998.9 998.4 ****** ****** ****** ****** ****** ****** ****** ****** DAY 9 20 29 11 11 ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 896.1 893.9 891.5 890.1 889.1 887.1 884.6 887.4 890.8 895.6 899.0 896.5 891.8 MAX. QFE PRESSURE IN HPA 903.2 901.6 899.4 896.4 894.1 892.4 889.3 890.8 897.7 901.2 904.4 903.1 904.4 DAY 19 11 3 19 17 2 30 9 28 27 23 1 MIN. QFE PRESSURE IN HPA 889.3 889.3 884.5 882.5 884.5 880.8 881.3 883.5 885.0 889.0 895.0 890.8 880.8 DAY 27 18 29 5 25 10 13 2 17 9 3 25 MEAN QNH PRESSURE IN HPA 1018.1 1015.6 1013.0 1011.4 1010.4 1008.1 1005.4 1008.5 1012.2 1017.5 1021.3 1018.6 1013.3 MAX. QNH PRESSURE IN HPA 1026.0 1024.2 1021.8 1018.4 1015.9 1014.0 1010.6 1012.2 1019.9 1023.7 1027.3 1025.9 1027.3 DAY 19 11 3 19 17 2 30 9 28 27 23 1 MIN. QNH PRESSURE IN HPA 1010.6 1010.6 1005.2 1003.0 1005.2 1001.1 1001.7 1004.1 1005.8 1010.2 1016.9 1012.2 1001.1 DAY 27 18 29 5 25 10 13 2 17 9 3 25 MEAN QFF PRESSURE IN HPA 1017.1 1012.2 1007.7 1004.8 1003.1 ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA 1026.5 1023.2 1018.6 1013.7 1008.8 ****** ****** ****** ****** ****** ****** ****** ****** DAY 19 11 3 19 7 ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA 1007.0 1003.9 998.6 995.2 997.6 ****** ****** ****** ****** ****** ****** ****** ****** DAY 9 18 29 5 11 ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1962 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 897.0 894.4 892.0 890.5 889.2 886.8 884.1 887.3 890.9 896.0 899.9 897.2 892.1 MAX. QFE PRESSURE IN HPA 903.8 902.9 900.0 897.7 894.2 892.5 888.7 890.8 897.9 901.0 905.0 904.2 905.0 DAY 19 11 3 19 17 2 30 9 29 27 23 1 MIN. QFE PRESSURE IN HPA 890.8 889.6 885.0 882.4 884.4 880.6 881.2 883.1 885.2 889.4 895.7 891.8 880.6 DAY 27 20 29 5 25 10 13 2 17 9 3 25 MEAN QNH PRESSURE IN HPA 1019.1 1016.2 1013.6 1011.9 1010.4 1007.8 1004.8 1008.3 1012.3 1018.0 1022.3 1019.3 1013.7 MAX. QNH PRESSURE IN HPA 1026.6 1025.6 1022.4 1019.9 1016.0 1014.1 1009.9 1012.2 1020.1 1023.5 1028.0 1027.1 1028.0 DAY 19 11 3 19 17 2 30 9 29 27 23 1 MIN. QNH PRESSURE IN HPA 1012.2 1010.9 1005.8 1002.9 1005.1 1000.9 1001.6 1003.7 1006.0 1010.7 1017.7 1013.3 1000.9 DAY 27 20 29 5 25 10 13 2 17 9 3 25 MEAN QFF PRESSURE IN HPA 1019.4 1013.9 1009.4 1006.1 1002.3 998.3 994.8 999.5 1005.5 1012.8 1021.0 1019.5 1008.5 MAX. QFF PRESSURE IN HPA 1028.5 1025.8 1020.3 1016.0 1008.4 1005.4 999.8 1004.0 1016.1 1018.8 1028.0 1029.2 1029.2 DAY 19 11 3 19 17 2 30 31 29 27 28 1 MIN. QFF PRESSURE IN HPA 1009.6 1005.8 999.6 996.0 995.9 990.0 990.4 994.1 998.1 1003.7 1013.6 1012.5 990.0 DAY 9 18 29 5 27 10 15 3 17 9 3 25 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 898.0 895.4 893.0 891.5 890.9 ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA 904.8 903.9 900.9 898.1 895.6 ****** ****** ****** ****** ****** ****** ****** ****** DAY 18 11 3 19 16 ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA 892.0 891.1 887.1 883.4 887.3 ****** ****** ****** ****** ****** ****** ****** ****** DAY 27 27 28 5 10 ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA 1020.2 1017.3 1014.6 1013.0 1012.4 ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA 1027.7 1026.7 1023.4 1020.3 1017.5 ****** ****** ****** ****** ****** ****** ****** ****** DAY 18 11 3 19 16 ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA 1013.5 1012.5 1008.1 1004.0 1008.3 ****** ****** ****** ****** ****** ****** ****** ****** DAY 27 27 28 5 10 ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA 1019.4 1014.1 1009.8 1006.6 1004.4 ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA 1028.3 1026.3 1020.5 1015.4 1009.6 ****** ****** ****** ****** ****** ****** ****** ****** DAY 18 11 4 19 7 ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA 1009.9 1006.4 1001.3 995.1 997.9 ****** ****** ****** ****** ****** ****** ****** ****** DAY 27 20 28 5 10 ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 898.1 895.4 893.1 891.6 891.2 ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA 905.3 903.0 901.3 898.0 896.1 ****** ****** ****** ****** ****** ****** ****** ****** DAY 18 10 3 19 16 ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA 892.8 891.1 886.1 883.9 887.6 ****** ****** ****** ****** ****** ****** ****** ****** DAY 5 27 28 5 10 ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA 1020.3 1017.4 1014.7 1013.1 1012.7 ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA 1028.3 1025.7 1023.9 1020.2 1018.1 ****** ****** ****** ****** ****** ****** ****** ****** DAY 18 10 3 19 16 ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA 1014.4 1012.5 1007.0 1004.6 1008.7 ****** ****** ****** ****** ****** ****** ****** ****** DAY 5 27 28 5 10 ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA 1018.7 1013.4 1009.2 1006.5 1004.4 ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA 1027.9 1024.1 1021.3 1014.8 1009.8 ****** ****** ****** ****** ****** ****** ****** ****** DAY 18 11 3 19 16 ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA 1010.3 1006.5 999.0 995.6 998.0 ****** ****** ****** ****** ****** ****** ****** ****** DAY 8 18 28 5 10 ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1963 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 13.5 17.1 19.8 24.9 27.4 34.8 34.4 32.9 29.9 25.7 17.5 11.2 24.1 MINIMUN AIR TEMPERATURE (C) 6.4 10.0 10.9 17.6 19.9 26.1 25.8 25.0 21.4 18.5 11.2 4.1 16.4 DAYS WITH MINIMUM TEMP. >=21 0 0 0 5 11 30 31 31 19 7 0 0 134 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 2 2 DAYS WITH FREEZING MIN.<= 0 0 0 0 0 0 0 0 0 0 0 0 7 7 TEMPERATURE RECORDS LOWEST(C) 2.0 4.0 3.0 12.0 15.0 23.0 22.0 22.0 17.0 15.0 6.0 -6.0 -6.0 DAY 1 10 9 6 14 30 24 9 13 11 21 28 MAXIMUM AIR TEMPERATURE (C) 20.4 22.9 25.7 30.0 32.9 39.3 38.8 37.4 34.8 31.9 22.9 17.5 29.5 DAYS WITH MAXIMUM TEMP. >=30 0 2 5 17 23 30 31 31 30 28 3 0 200 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 1 1 TEMPERATURE RECORDS HIGHEST(C) 27.0 30.0 33.0 35.0 40.0 44.0 42.0 41.0 40.0 36.0 31.0 25.0 44.0 DAY 27 25 25 12 28 10 5 3 7 1 2 3 DIF. BETWEEN (MAX.-MIN.) (C) 14.0 12.9 14.8 12.4 13.0 13.2 13.0 12.4 13.4 13.4 11.7 13.4 13.1 MEAN DAILY TEMP. (MDT) (C) 13.4 16.5 18.3 23.8 26.4 32.7 32.3 31.2 28.1 25.2 17.0 10.8 23.0 COOLING DEG. DAYS(BASE 21 0C) 0.0 6.0 10.0 89.0 169.5 351.5 350.0 315.5 213.5 129.0 14.0 0.0 1648.0 HEATING DEG. DAYS(BASE 18 0C) 145.5 67.5 42.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 65.0 224.0 544.5 DEWPOINT (MEAN C) 1.1 4.8 4.7 10.0 11.9 12.2 12.0 11.1 7.2 6.9 2.6 -2.0 6.9 MIXING RATIO (G/KG) 4.76 6.23 6.30 8.93 10.18 10.59 10.32 9.54 7.39 7.21 5.38 3.83 7.56 VAPOUR PRESSURE (HPA) 6.81 8.87 8.93 12.60 14.30 14.84 14.43 13.39 10.46 10.26 7.69 5.48 10.67 SATURATION DEF. (HPA) 9.47 11.74 15.43 19.86 24.12 41.94 41.13 37.69 32.70 23.72 13.16 9.01 23.33 RELATIVE HUMIDITY (MEAN %) 44 47 39 40 40 27 27 27 25 31 38 43 36 RELATIVE HUMIDITY (MAX. %) 55 59 47 50 51 35 37 36 34 41 46 52 45 RELATIVE HUMIDITY (MIN. %) 35 37 31 33 32 21 20 21 20 24 31 35 28 RELATIVE HUMIDITY (MEAN% 03UTC) 49 52 41 41 47 33 34 35 31 34 44 45 41 RELATIVE HUMIDITY (MEAN% 09UTC) 36 41 35 37 36 24 22 23 22 27 33 38 31 RELATIVE HUMIDITY (MEAN% 15UTC) 50 49 41 43 40 28 28 26 24 34 39 47 37 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 0.0 16.0 13.0 14.0 19.5 0.0 0.0 0.0 0.0 0.0 12.0 7.0 81.5 DAYS WITH PRECIPITATION >=10 0 0 1 0 1 0 0 0 0 0 0 0 2 DAYS WITH PRECIPITATION >= 5 0 2 1 1 2 0 0 0 0 0 1 0 7 DAYS WITH PRECIPITATION >= 1 0 4 3 3 3 0 0 0 0 0 2 2 17 DAYS WITH PRECIPITATION 0 5 4 4 7 0 0 0 0 0 4 2 26 GREATEST DAILY PRECIPITATION 0.0 7.0 10.0 9.0 11.0 0.0 0.0 0.0 0.0 0.0 8.0 4.0 11.0 DAY ** 3 28 26 13 ** ** ** ** ** 9 28 DAY WITH THUNDER STORM 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 2 2 DAYS WITH DUST 0 0 2 2 1 2 4 2 1 0 0 2 16 WIND DIRECTION (PREVAILING) 360 315 315 270 270 360 360 360 360 360 360 360 360 PREVAILING WIND SPEED(KNOTS) 9.0 9.1 10.6 10.6 11.5 10.7 13.5 12.5 12.7 9.9 8.4 6.5 10.5 PREVAILING WIND PERCENT 47.1 41.4 38.1 37.3 39.4 42.7 54.2 49.7 44.7 40.0 44.0 37.4 36.5 CALMS PERCENT OF WIND 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 10.7 11.6 1.9 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 332 321 305 312 298 335 348 340 332 333 326 320 327 VECTOR WIND MAGNITUDE(KNOTS) 6.1 6.9 7.4 8.0 7.4 8.8 11.3 9.8 8.9 7.0 4.7 4.0 7.3 WIND STEADINESES (MEAN %) 68.5 73.4 65.5 74.1 69.2 85.4 95.8 86.7 78.8 76.9 67.1 58.0 73.7 WIND SPEED (MEAN KNOTS) 8.9 9.4 11.3 10.8 10.7 10.3 11.8 11.3 11.3 9.1 7.0 6.9 9.9 FASTEST WIND DIRECTION 360 270 270 330 270 360 360 360 330 360 360 180 270 FASTEST WIND SPEED (KNOTS) 20 20 22 22 20 20 20 20 20 20 20 20 22 DAY 5 11 5 1 1 27 8 1 10 3 26 5 DAYS WITH SKY CLEAR (0-2)/8 26 11 16 9 15 28 31 26 29 29 18 25 263 DAYS WITH P.CLOUDY (3-6)/8 5 16 14 21 13 2 0 5 1 2 6 4 89 DAYS WITH CLOUDY (7-8)/8 0 1 1 0 3 0 0 0 0 0 6 2 13 DAYS WITH VISIBILITY =< 2 KM 0 0 0 0 1 0 0 0 0 0 0 0 1 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1963 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 897.3 895.8 891.8 891.0 889.0 887.4 885.0 886.5 891.9 895.9 897.2 897.6 892.2 MAX. QFE PRESSURE IN HPA 903.0 904.4 901.1 898.4 894.4 897.4 888.7 890.1 898.6 900.9 901.5 904.2 904.4 DAY-HOUR 6- 6 5- 6 23- 6 2- 6 16- 6 11- 6 25- 3 25- 6 25- 6 12- 6 6- 6 21- 6 MIN. QFE PRESSURE IN HPA 891.9 889.0 883.0 881.0 881.8 879.0 881.2 882.1 884.0 891.1 891.0 887.4 879.0 DAY-HOUR 31-12 13-15 13-12 15-12 11-12 17-15 5-12 7-12 2- 6 2-12 25-12 11-12 MEAN QNH PRESSURE IN HPA 1019.4 1017.7 1013.3 1012.5 1010.2 1008.5 1005.8 1007.5 1013.4 1017.8 1019.3 1019.8 1013.8 MAX. QNH PRESSURE IN HPA 1025.7 1027.3 1023.6 1020.6 1016.2 1019.5 1009.9 1011.4 1020.9 1023.4 1024.1 1027.1 1027.3 DAY-HOUR 6- 6 5- 6 23- 6 2- 6 16- 6 11- 6 25- 3 25- 6 25- 6 12- 6 6- 6 21- 6 MIN. QNH PRESSURE IN HPA 1013.4 1010.2 1003.6 1001.3 1002.2 999.1 1001.6 1002.6 1004.7 1012.5 1012.4 1008.4 999.1 DAY-HOUR 31-12 13-15 13-12 15-12 11-12 17-15 5-12 7-12 2- 6 2-12 25-12 11-12 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 898.1 896.7 892.9 892.1 889.8 888.2 886.1 887.2 892.4 896.9 897.8 898.6 893.1 MAX. QFE PRESSURE IN HPA 902.3 903.6 901.0 898.0 893.8 896.6 888.7 889.6 897.4 900.0 900.3 903.2 903.6 DAY 6 5 23 2 16 11 25 5 25 12 6 20 MIN. QFE PRESSURE IN HPA 895.1 891.6 887.9 886.6 885.4 882.4 883.6 883.5 886.6 893.4 894.4 890.6 882.4 DAY 25 14 13 16 11 17 6 12 8 2 25 11 MEAN QNH PRESSURE IN HPA 1020.3 1018.8 1014.6 1013.6 1011.1 1009.4 1007.0 1008.3 1014.0 1019.0 1020.0 1020.9 1014.7 MAX. QNH PRESSURE IN HPA 1025.0 1026.4 1023.5 1020.2 1015.5 1018.7 1009.9 1010.9 1019.5 1022.4 1022.8 1026.0 1026.4 DAY 6 5 23 2 16 11 25 5 25 12 6 20 MIN. QNH PRESSURE IN HPA 1017.0 1013.1 1009.0 1007.6 1006.2 1002.9 1004.2 1004.1 1007.6 1015.1 1016.2 1012.0 1002.9 DAY 25 14 13 16 11 17 6 12 8 2 25 11 MEAN QFF PRESSURE IN HPA 1020.0 1016.4 1011.0 1007.6 1003.8 999.0 996.7 998.5 1005.9 1013.0 1017.0 1021.2 1009.2 MAX. QFF PRESSURE IN HPA 1024.9 1024.8 1020.8 1015.1 1010.4 1007.3 1000.5 1001.9 1011.0 1017.3 1020.3 1030.9 1030.9 DAY 6 5 23 2 15 11 25 28 25 12 30 28 MIN. QFF PRESSURE IN HPA 1015.5 1010.1 1005.0 1000.2 998.2 991.3 993.6 993.6 997.7 1007.5 1011.2 1008.7 991.3 DAY 25 13 13 14 26 17 6 12 8 2 12 11 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1963 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 898.9 897.2 893.4 892.4 890.3 888.7 886.2 887.6 893.0 897.3 898.6 899.1 893.6 MAX. QFE PRESSURE IN HPA 903.0 904.4 901.1 898.4 894.4 897.4 888.6 890.1 898.6 900.9 901.5 904.2 904.4 DAY 6 5 23 2 16 11 25 25 25 12 6 21 MIN. QFE PRESSURE IN HPA 896.0 891.9 887.2 886.5 884.5 883.0 883.8 883.9 884.0 893.8 894.4 890.7 883.0 DAY 4 13 13 15 11 17 5 12 2 2 25 25 MEAN QNH PRESSURE IN HPA 1021.3 1019.3 1015.1 1014.0 1011.7 1009.9 1007.1 1008.7 1014.7 1019.4 1020.8 1021.5 1015.3 MAX. QNH PRESSURE IN HPA 1025.7 1027.3 1023.6 1020.6 1016.2 1019.5 1009.8 1011.4 1020.9 1023.4 1024.1 1027.1 1027.3 DAY 6 5 23 2 16 11 25 25 25 12 6 21 MIN. QNH PRESSURE IN HPA 1018.0 1013.4 1008.2 1007.4 1005.2 1003.6 1004.4 1004.6 1004.7 1015.5 1016.2 1012.1 1003.6 DAY 4 13 13 15 11 17 5 12 2 2 25 25 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 896.8 895.6 891.6 891.0 889.2 887.8 885.3 886.7 892.1 895.8 897.3 897.5 892.2 MAX. QFE PRESSURE IN HPA 899.7 902.0 899.0 896.4 893.4 896.8 887.7 889.5 897.8 899.4 900.3 902.8 902.8 DAY 6 7 23 2 16 11 24 25 24 12 6 21 MIN. QFE PRESSURE IN HPA 892.6 890.7 884.4 884.5 883.9 881.4 883.2 883.0 886.4 892.5 893.0 888.2 881.4 DAY 31 13 13 15 11 17 5 3 7 2 25 11 MEAN QNH PRESSURE IN HPA 1018.9 1017.6 1013.1 1012.4 1010.4 1008.9 1006.1 1007.7 1013.7 1017.8 1019.4 1019.6 1013.8 MAX. QNH PRESSURE IN HPA 1022.1 1024.6 1021.3 1018.4 1015.1 1018.9 1008.8 1010.8 1020.0 1021.8 1022.8 1025.5 1025.5 DAY 6 7 23 2 16 11 24 25 24 12 6 21 MIN. QNH PRESSURE IN HPA 1014.2 1012.1 1005.1 1005.2 1004.6 1001.8 1003.8 1003.6 1007.3 1014.1 1014.7 1009.3 1001.8 DAY 31 13 13 15 11 17 5 3 7 2 25 11 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 895.9 894.3 890.0 889.5 887.7 886.3 883.8 885.4 890.9 894.5 896.0 896.4 890.9 MAX. QFE PRESSURE IN HPA 898.4 900.7 898.1 894.7 891.6 896.0 886.3 888.2 896.4 897.6 898.8 901.5 901.5 DAY 6 4 23 2 15 11 24 25 24 11 6 20 MIN. QFE PRESSURE IN HPA 891.9 889.1 883.0 881.0 881.8 880.0 881.2 882.1 885.2 891.1 891.0 887.4 880.0 DAY 31 13 13 15 11 17 5 7 7 2 25 11 MEAN QNH PRESSURE IN HPA 1017.8 1016.1 1011.4 1010.8 1008.7 1007.2 1004.4 1006.3 1012.3 1016.3 1018.0 1018.4 1012.3 MAX. QNH PRESSURE IN HPA 1020.6 1023.2 1020.3 1016.5 1013.1 1018.0 1007.2 1009.3 1018.4 1019.8 1021.1 1024.1 1024.1 DAY 6 4 23 2 15 11 24 25 24 11 6 20 MIN. QNH PRESSURE IN HPA 1013.4 1010.3 1003.6 1001.3 1002.2 1000.2 1001.6 1002.6 1006.0 1012.5 1012.4 1008.4 1000.2 DAY 31 13 13 15 11 17 5 7 7 2 25 11 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1963 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 896.8 895.1 891.0 890.3 888.0 886.3 883.8 885.6 891.1 894.8 896.1 896.6 891.3 MAX. QFE PRESSURE IN HPA 899.4 902.1 899.7 895.0 892.3 896.0 886.3 888.5 896.4 898.2 898.9 902.0 902.1 DAY 27 4 23 2 15 11 24 24 24 11 27 20 MIN. QFE PRESSURE IN HPA 893.3 889.0 884.4 883.7 882.6 879.0 881.3 882.7 885.5 891.7 891.0 887.4 879.0 DAY 4 13 13 15 11 17 5 7 7 2 25 11 MEAN QNH PRESSURE IN HPA 1018.9 1016.9 1012.4 1011.6 1009.1 1007.2 1004.5 1006.5 1012.6 1016.7 1018.1 1018.7 1012.8 MAX. QNH PRESSURE IN HPA 1021.8 1024.8 1022.1 1016.9 1013.9 1018.0 1007.2 1009.7 1018.4 1020.4 1021.2 1024.6 1024.8 DAY 27 4 23 2 15 11 24 24 24 11 27 20 MIN. QNH PRESSURE IN HPA 1015.0 1010.2 1005.1 1004.3 1003.1 999.1 1001.7 1003.2 1006.3 1013.2 1012.4 1008.4 999.1 DAY 4 13 13 15 11 17 5 7 7 2 25 11 MEAN QFF PRESSURE IN HPA 1018.4 1014.4 1008.7 1005.4 1001.7 996.7 994.1 996.7 1004.5 1010.5 1015.1 1018.8 1007.1 MAX. QFF PRESSURE IN HPA 1021.8 1023.0 1019.7 1012.6 1009.2 1007.7 997.8 1000.4 1010.0 1015.5 1020.0 1029.4 1029.4 DAY 15 4 23 6 14 11 24 24 24 11 27 28 MIN. QFF PRESSURE IN HPA 1012.5 1007.3 1001.2 998.6 995.6 987.7 991.0 992.7 996.7 1005.3 1009.2 1004.9 987.7 DAY 31 13 13 15 11 17 5 3 7 2 12 11 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1964 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 4.2 13.9 21.5 24.5 30.7 33.5 34.8 33.9 28.3 21.4 16.8 7.2 22.6 MINIMUN AIR TEMPERATURE (C) -1.8 6.9 14.4 ***** ***** 23.6 25.8 24.6 18.7 13.9 10.2 1.2 ***** DAYS WITH MINIMUM TEMP. >=21 0 0 0 **** **** 28 31 31 12 2 0 0 **** DAYS WITH MINIMUM TEMP. <=-4 11 0 0 **** **** 0 0 0 0 0 0 1 **** DAYS WITH FREEZING MIN.<= 0 23 2 0 **** **** 0 0 0 0 0 1 14 **** TEMPERATURE RECORDS LOWEST(C) -8.0 -3.0 4.0 ***** ***** 20.0 23.0 21.0 13.0 9.0 0.0 -4.0 ***** DAY 22 1 1 ** ** 5 17 24 26 28 30 30 MAXIMUM AIR TEMPERATURE (C) 10.1 20.0 27.1 29.2 35.6 38.0 38.7 38.0 33.1 26.9 22.8 12.5 27.7 DAYS WITH MAXIMUM TEMP. >=30 0 0 9 15 31 30 31 31 25 7 0 0 179 DAYS WITH MAXIMUM TEMP. <= 0 1 0 0 0 0 0 0 0 0 0 0 0 1 TEMPERATURE RECORDS HIGHEST(C) 21.0 27.0 33.0 34.0 40.0 43.0 43.0 43.0 40.0 37.0 28.0 25.0 43.0 DAY 1 24 21 30 17 28 10 4 10 3 22 25 DIF. BETWEEN (MAX.-MIN.) (C) 11.9 13.1 12.7 ***** ***** 14.4 12.9 13.4 14.4 13.0 12.6 11.3 ***** MEAN DAILY TEMP. (MDT) (C) 4.2 13.4 20.8 ***** ***** 30.8 32.3 31.3 25.9 20.4 16.5 6.9 ***** COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 35.5 20.5 48.5 294.5 349.0 320.0 147.0 45.0 0.5 0.0 ****** HEATING DEG. DAYS(BASE 18 0C) 429.0 136.0 11.5 0.0 0.0 0.0 0.0 0.0 0.0 13.0 56.5 345.0 ****** DEWPOINT (MEAN C) -2.6 4.5 9.0 11.2 14.6 15.6 17.5 16.6 11.5 7.8 6.1 -1.1 9.2 MIXING RATIO (G/KG) 3.67 6.15 8.31 9.59 12.06 13.09 14.69 13.87 9.92 7.82 6.89 4.06 9.18 VAPOUR PRESSURE (HPA) 5.26 8.75 11.77 13.51 16.93 18.21 20.37 19.26 13.96 11.12 9.83 5.83 12.90 SATURATION DEF. (HPA) 3.61 8.07 14.98 18.22 28.45 34.91 36.29 34.78 25.97 15.82 10.26 4.91 19.69 RELATIVE HUMIDITY (MEAN %) 63 56 47 44 38 35 37 36 36 42 50 57 45 RELATIVE HUMIDITY (MAX. %) 75 66 59 54 45 41 44 43 43 50 60 69 54 RELATIVE HUMIDITY (MIN. %) 53 47 37 37 33 29 31 31 30 36 43 48 38 RELATIVE HUMIDITY (MEAN% 03UTC) 67 62 52 52 43 38 43 40 39 39 49 63 49 RELATIVE HUMIDITY (MEAN% 09UTC) 56 50 43 40 34 32 34 32 33 40 45 49 41 RELATIVE HUMIDITY (MEAN% 15UTC) 68 58 48 46 41 36 37 37 37 49 58 66 48 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 29.0 48.3 37.0 6.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 6.7 127.0 DAYS WITH PRECIPITATION >=10 1 1 1 0 0 0 0 0 0 0 0 0 3 DAYS WITH PRECIPITATION >= 5 2 4 2 0 0 0 0 0 0 0 0 0 8 DAYS WITH PRECIPITATION >= 1 2 7 5 3 0 0 0 0 0 0 0 3 20 DAYS WITH PRECIPITATION 3 8 5 3 0 0 0 0 0 0 0 5 24 GREATEST DAILY PRECIPITATION 24.0 27.0 25.0 3.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 3.0 27.0 DAY 6 15 30 1 ** ** ** ** ** ** ** 14 DAY WITH THUNDER STORM 0 0 1 0 0 0 0 0 0 0 0 0 1 DAYS WITH SNOW OR SLEET 2 0 0 0 0 0 0 0 0 0 0 0 2 DAYS WITH DUST 1 1 1 0 0 0 0 0 0 0 2 1 6 WIND DIRECTION (PREVAILING) 360 360 315 270 360 360 360 360 360 315 270 270 360 PREVAILING WIND SPEED(KNOTS) 8.5 7.3 8.8 10.4 9.7 11.1 11.8 10.6 13.0 8.5 9.0 5.7 10.0 PREVAILING WIND PERCENT 31.6 41.4 35.5 38.0 40.6 40.7 48.4 46.5 47.3 40.0 40.0 32.9 35.7 CALMS PERCENT OF WIND 12.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 7.3 2.6 1.9 NO. OF WIND OBSERVATION 155 145 155 150 155 150 155 155 150 155 150 155 1830 VECTOR WIND DIRECTION (MEAN) 334 324 324 299 335 331 337 337 335 325 303 336 328 VECTOR WIND MAGNITUDE(KNOTS) 4.2 5.8 6.8 5.6 6.3 7.7 9.4 7.7 8.8 7.1 4.4 3.4 6.3 WIND STEADINESES (MEAN %) 65.6 68.2 68.7 51.4 66.3 77.8 83.9 80.2 77.2 82.6 56.4 61.8 69.2 WIND SPEED (MEAN KNOTS) 6.4 8.5 9.9 10.9 9.5 9.9 11.2 9.6 11.4 8.6 7.8 5.5 9.1 FASTEST WIND DIRECTION 360 270 230 360 180 330 360 360 270 360 360 360 360 FASTEST WIND SPEED (KNOTS) 24 20 20 20 18 20 20 20 20 20 35 28 35 DAY 30 6 1 1 1 24 6 7 2 7 28 26 DAYS WITH SKY CLEAR (0-2)/8 26 13 17 15 24 27 31 29 30 31 28 19 290 DAYS WITH P.CLOUDY (3-6)/8 3 12 11 14 6 3 0 2 0 0 2 6 59 DAYS WITH CLOUDY (7-8)/8 2 4 3 1 1 0 0 0 0 0 0 6 17 DAYS WITH VISIBILITY =< 2 KM 0 1 0 0 0 0 0 0 0 0 1 0 2 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1964 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 898.5 894.6 893.6 890.6 890.5 885.9 883.9 884.2 891.1 897.3 898.2 900.3 892.4 MAX. QFE PRESSURE IN HPA 907.4 903.0 900.9 899.0 895.0 895.0 888.8 889.6 899.0 901.6 905.1 906.5 907.4 DAY-HOUR 31- 3 28- 6 18- 3 25- 6 10- 3 3- 6 17- 6 31- 6 29- 6 30- 6 30- 6 1- 6 MIN. QFE PRESSURE IN HPA 881.1 888.9 886.2 882.2 883.7 877.2 878.8 877.9 885.1 889.0 886.3 892.4 877.2 DAY-HOUR 19-12 10-12 4-12 9-12 12-12 29-12 11-12 2-12 2-12 3-12 27-12 24-12 MEAN QNH PRESSURE IN HPA 1020.8 1016.4 1015.3 1012.0 1011.8 1006.8 1004.5 1004.9 1012.5 1019.4 1020.4 1022.8 1014.0 MAX. QNH PRESSURE IN HPA 1030.6 1025.7 1023.4 1021.3 1016.9 1016.9 1010.0 1010.9 1021.3 1024.2 1028.1 1029.6 1030.6 DAY-HOUR 31- 3 28- 6 18- 3 25- 6 10- 3 3- 6 17- 6 31- 6 29- 6 30- 6 30- 6 1- 6 MIN. QNH PRESSURE IN HPA 1001.5 1010.1 1007.1 1002.7 1004.3 997.1 998.9 997.9 1005.9 1010.2 1007.2 1014.0 997.1 DAY-HOUR 19-12 10-12 4-12 9-12 12-12 29-12 11-12 2-12 2-12 3-12 27-12 24-12 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 899.7 895.6 894.8 891.4 891.4 887.0 884.7 885.0 891.7 898.3 899.1 901.3 893.3 MAX. QFE PRESSURE IN HPA 907.4 902.2 900.9 898.9 895.0 894.8 888.4 889.0 898.6 901.5 904.7 905.9 907.4 DAY 31 1 18 25 10 3 17 31 29 25 30 2 MIN. QFE PRESSURE IN HPA 886.6 890.0 889.6 882.6 886.8 879.7 880.7 881.1 886.6 890.6 887.8 894.6 879.7 DAY 19 13 4 9 13 29 11 2 5 4 28 25 MEAN QNH PRESSURE IN HPA 1022.1 1017.5 1016.6 1012.9 1012.8 1008.0 1005.4 1005.7 1013.3 1020.5 1021.4 1023.8 1015.0 MAX. QNH PRESSURE IN HPA 1030.6 1024.9 1023.4 1021.2 1016.9 1016.7 1009.6 1010.2 1020.9 1024.1 1027.6 1029.0 1030.6 DAY 31 1 18 25 10 3 17 31 29 25 30 2 MIN. QNH PRESSURE IN HPA 1007.6 1011.3 1010.9 1003.1 1007.8 999.9 1001.0 1001.5 1007.6 1012.0 1008.9 1016.4 999.9 DAY 19 13 4 9 13 29 11 2 5 4 28 25 MEAN QFF PRESSURE IN HPA 1025.6 1016.5 1012.3 1007.1 1004.4 998.2 994.6 995.6 1006.0 1016.5 1019.3 1026.1 1010.2 MAX. QFF PRESSURE IN HPA 1035.3 1028.9 1019.9 1016.3 1008.2 1008.1 1000.0 1001.3 1016.1 1022.3 1030.0 1032.4 1035.3 DAY 31 1 18 25 3 2 17 31 29 28 30 3 MIN. QFF PRESSURE IN HPA 1006.2 1008.5 1005.5 996.4 998.7 988.3 989.3 989.5 998.6 1005.1 1004.7 1013.5 988.3 DAY 19 13 29 9 13 29 11 2 5 4 28 25 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1964 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 899.9 896.0 895.1 891.9 891.5 887.1 884.8 885.2 892.1 898.3 899.4 901.7 893.6 MAX. QFE PRESSURE IN HPA 906.5 903.0 900.5 899.0 895.0 895.0 888.8 889.6 899.0 901.6 905.1 906.5 906.5 DAY 31 28 18 25 10 3 17 31 29 30 30 1 MIN. QFE PRESSURE IN HPA 886.0 891.7 890.4 883.8 887.2 880.0 880.3 881.2 887.7 890.7 889.4 895.2 880.0 DAY 19 13 4 9 13 29 11 2 2 4 27 24 MEAN QNH PRESSURE IN HPA 1022.3 1017.9 1017.0 1013.4 1012.9 1008.1 1005.6 1006.0 1013.6 1020.5 1021.7 1024.3 1015.3 MAX. QNH PRESSURE IN HPA 1029.6 1025.7 1023.0 1021.3 1016.9 1016.9 1010.0 1010.9 1021.3 1024.2 1028.1 1029.6 1029.6 DAY 31 28 18 25 10 3 17 31 29 30 30 1 MIN. QNH PRESSURE IN HPA 1006.9 1013.2 1011.8 1004.4 1008.2 1000.2 1000.6 1001.6 1008.8 1012.1 1010.7 1017.1 1000.2 DAY 19 13 4 9 13 29 11 2 2 4 27 24 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 898.1 894.5 893.7 891.0 890.8 886.3 884.2 884.4 891.1 897.0 897.6 899.8 892.4 MAX. QFE PRESSURE IN HPA 904.8 902.2 898.8 897.6 894.4 894.6 888.2 888.6 897.6 900.2 903.4 904.6 904.8 DAY 30 28 23 24 10 3 21 31 29 16 30 2 MIN. QFE PRESSURE IN HPA 882.6 889.7 888.4 883.2 885.8 878.8 880.2 880.3 886.7 889.7 887.2 892.6 878.8 DAY 19 13 4 9 12 29 11 2 2 6 27 24 MEAN QNH PRESSURE IN HPA 1020.3 1016.3 1015.4 1012.4 1012.2 1007.3 1004.9 1005.1 1012.6 1019.1 1019.8 1022.2 1014.0 MAX. QNH PRESSURE IN HPA 1027.7 1024.9 1021.1 1019.8 1016.2 1016.4 1009.3 1009.8 1019.8 1022.6 1026.2 1027.5 1027.7 DAY 30 28 23 24 10 3 21 31 29 16 30 2 MIN. QNH PRESSURE IN HPA 1003.1 1011.0 1009.6 1003.8 1006.7 998.9 1000.5 1000.6 1007.7 1011.0 1008.2 1014.2 998.9 DAY 19 13 4 9 12 29 11 2 2 6 27 24 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 897.1 893.1 892.0 889.3 889.3 884.7 882.8 883.0 890.0 896.3 897.0 899.1 891.1 MAX. QFE PRESSURE IN HPA 904.4 899.4 896.9 896.6 892.8 892.3 886.7 888.1 896.4 899.9 903.2 903.8 904.4 DAY 30 28 23 25 10 2 21 31 29 25 30 3 MIN. QFE PRESSURE IN HPA 881.1 888.9 886.2 882.2 883.7 877.2 878.8 877.9 885.1 889.0 886.3 892.4 877.2 DAY 19 10 4 9 12 29 11 2 2 3 27 24 MEAN QNH PRESSURE IN HPA 1019.2 1014.7 1013.6 1010.5 1010.5 1005.4 1003.3 1003.6 1011.3 1018.3 1019.1 1021.5 1012.6 MAX. QNH PRESSURE IN HPA 1027.3 1021.8 1019.0 1018.7 1014.4 1013.9 1007.7 1009.2 1018.4 1022.3 1026.0 1026.6 1027.3 DAY 30 28 23 25 10 2 21 31 29 25 30 3 MIN. QNH PRESSURE IN HPA 1001.5 1010.1 1007.1 1002.7 1004.3 997.1 998.9 997.9 1005.9 1010.2 1007.2 1014.0 997.1 DAY 19 10 4 9 12 29 11 2 2 3 27 24 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1964 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 897.8 893.7 892.6 889.7 889.5 884.7 882.9 883.3 890.5 896.8 898.0 899.9 891.6 MAX. QFE PRESSURE IN HPA 905.6 900.3 897.9 896.9 893.2 892.3 886.7 888.3 896.7 900.5 904.3 904.8 905.6 DAY 30 17 23 25 10 2 21 31 29 25 30 2 MIN. QFE PRESSURE IN HPA 881.1 890.1 888.8 882.2 884.0 877.2 878.9 878.6 885.6 889.2 886.9 893.2 877.2 DAY 19 10 4 9 12 29 11 2 2 3 27 24 MEAN QNH PRESSURE IN HPA 1019.9 1015.5 1014.2 1011.1 1010.8 1005.5 1003.5 1004.0 1011.9 1018.9 1020.2 1022.3 1013.1 MAX. QNH PRESSURE IN HPA 1028.6 1022.8 1020.1 1019.0 1014.9 1013.9 1007.7 1009.4 1018.8 1023.0 1027.2 1027.7 1028.6 DAY 30 17 23 25 10 2 21 31 29 25 30 2 MIN. QNH PRESSURE IN HPA 1001.5 1011.4 1010.0 1002.7 1004.7 997.1 999.0 998.7 1006.4 1010.4 1007.9 1014.9 997.1 DAY 19 10 4 9 12 29 11 2 2 3 27 24 MEAN QFF PRESSURE IN HPA 1023.4 1014.3 1009.7 1005.0 1002.1 995.5 992.5 993.6 1004.4 1014.7 1018.0 1024.5 1008.1 MAX. QFF PRESSURE IN HPA 1032.2 1025.1 1016.6 1014.3 1006.1 1005.3 997.4 1000.3 1013.5 1020.5 1029.8 1031.0 1032.2 DAY 21 1 23 25 21 2 16 31 29 28 30 2 MIN. QFF PRESSURE IN HPA 999.3 1008.0 1004.6 995.8 994.5 984.5 987.1 986.8 997.1 1002.5 1004.3 1012.4 984.5 DAY 19 6 28 8 12 29 11 2 2 4 26 25 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1965 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 10.2 12.4 16.9 20.1 27.3 31.0 32.4 29.6 27.4 25.4 17.8 11.0 21.8 MINIMUN AIR TEMPERATURE (C) 5.1 7.5 11.1 14.7 21.2 24.7 26.8 22.9 20.3 18.9 12.0 4.8 15.8 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 21 30 31 28 16 6 0 0 132 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 5 0 0 0 0 0 0 0 0 0 0 4 9 TEMPERATURE RECORDS LOWEST(C) -2.0 2.0 3.0 9.0 13.0 21.0 23.0 20.0 17.0 14.0 6.0 -2.0 -2.0 DAY 1 4 17 7 5 3 11 11 11 31 25 24 MAXIMUM AIR TEMPERATURE (C) 16.5 19.7 24.7 27.7 34.6 38.0 38.9 36.5 35.0 33.6 25.9 19.6 29.2 DAYS WITH MAXIMUM TEMP. >=30 0 0 7 9 29 30 31 31 30 30 6 0 203 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 23.0 27.0 32.0 35.0 40.0 43.0 42.0 40.0 38.0 37.0 32.0 25.0 43.0 DAY 27 8 11 30 18 18 5 4 6 3 1 1 DIF. BETWEEN (MAX.-MIN.) (C) 11.4 12.2 13.6 13.0 13.4 13.3 12.1 13.6 14.7 14.7 13.9 14.8 13.4 MEAN DAILY TEMP. (MDT) (C) 10.8 13.6 17.9 21.2 27.9 31.3 32.9 29.7 27.7 26.2 18.9 12.2 22.5 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.5 14.0 40.0 216.0 310.0 367.5 268.5 200.0 162.5 17.5 0.0 1596.5 HEATING DEG. DAYS(BASE 18 0C) 223.5 131.5 55.0 5.0 0.0 0.0 0.0 0.0 0.0 0.0 26.5 179.5 621.0 DEWPOINT (MEAN C) 3.6 3.4 6.2 10.4 14.3 17.4 17.1 17.4 9.1 4.3 0.2 -4.6 8.2 MIXING RATIO (G/KG) 5.75 5.64 6.98 9.16 11.96 14.55 14.39 14.70 9.05 5.98 4.49 3.14 8.82 VAPOUR PRESSURE (HPA) 8.19 8.03 9.92 12.92 16.79 20.27 19.99 20.50 12.77 8.53 6.43 4.51 12.41 SATURATION DEF. (HPA) 4.79 7.30 10.68 11.69 21.11 26.11 30.03 22.68 25.26 25.34 15.25 9.52 17.48 RELATIVE HUMIDITY (MEAN %) 65 56 51 55 46 45 41 49 35 27 33 35 45 RELATIVE HUMIDITY (MAX. %) 77 67 63 69 54 54 49 56 44 35 44 46 55 RELATIVE HUMIDITY (MIN. %) 52 45 38 43 39 37 33 41 27 18 23 24 35 RELATIVE HUMIDITY (MEAN% 03UTC) 70 63 57 60 50 49 44 53 40 32 38 39 50 RELATIVE HUMIDITY (MEAN% 09UTC) 54 46 42 46 40 39 36 44 28 19 25 26 37 RELATIVE HUMIDITY (MEAN% 15UTC) 64 55 49 54 46 44 38 45 32 25 32 33 43 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 5.7 2.1 2.3 11.2 0.2 0.4 0.0 0.0 0.4 0.0 3.0 2.0 27.3 DAYS WITH PRECIPITATION >=10 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH PRECIPITATION >= 5 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH PRECIPITATION >= 1 2 1 1 4 0 0 0 0 0 0 2 1 11 DAYS WITH PRECIPITATION 3 4 2 5 1 1 0 0 1 0 2 2 21 GREATEST DAILY PRECIPITATION 4.2 1.0 2.0 4.0 0.2 0.4 0.0 0.0 0.4 0.0 2.0 2.0 4.2 DAY 11 3 6 23 14 8 ** ** 23 ** 22 22 DAY WITH THUNDER STORM 2 0 0 5 1 0 0 0 0 1 0 0 9 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 1 2 3 1 4 2 5 3 0 0 0 0 21 WIND DIRECTION (PREVAILING) 360 360 360 270 270 270 360 270 270 270 270 270 270 PREVAILING WIND SPEED(KNOTS) 5.6 8.4 9.0 11.4 10.6 9.9 11.0 9.7 9.0 6.2 7.3 5.9 9.1 PREVAILING WIND PERCENT 30.0 32.1 31.9 48.8 36.7 36.3 43.1 44.8 45.4 41.9 42.1 41.1 37.0 CALMS PERCENT OF WIND 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 2.1 2.4 6.7 5.2 1.4 NO. OF WIND OBSERVATION 223 224 248 240 248 240 248 248 240 248 240 248 2895 VECTOR WIND DIRECTION (MEAN) 315 327 318 288 312 318 327 322 311 277 283 297 311 VECTOR WIND MAGNITUDE(KNOTS) 2.5 4.3 4.9 6.5 6.6 6.6 7.6 7.5 5.7 2.5 3.4 2.6 4.9 WIND STEADINESES (MEAN %) 35.7 50.0 53.3 63.7 66.0 69.5 71.0 70.1 64.8 45.5 58.6 52.0 58.3 WIND SPEED (MEAN KNOTS) 7.0 8.6 9.2 10.2 10.0 9.5 10.7 10.7 8.8 5.5 5.8 5.0 8.4 FASTEST WIND DIRECTION 90 20 220 230 340 230 320 360 270 360 250 280 20 FASTEST WIND SPEED (KNOTS) 22 32 30 20 30 20 22 20 22 15 16 15 32 DAY 10 10 3 3 20 7 15 8 17 4 2 18 DAYS WITH SKY CLEAR (0-2)/8 11 18 20 12 26 25 27 31 30 28 23 29 280 DAYS WITH P.CLOUDY (3-6)/8 13 8 9 15 5 5 4 0 0 3 7 2 71 DAYS WITH CLOUDY (7-8)/8 7 2 2 3 0 0 0 0 0 0 0 0 14 DAYS WITH VISIBILITY =< 2 KM 0 0 0 0 0 0 0 0 0 0 0 0 0 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** 282.1 262.5 290.1 ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1965 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 895.3 894.4 894.7 891.3 891.3 887.5 885.1 889.7 893.7 896.4 899.0 898.5 893.1 MAX. QFE PRESSURE IN HPA 902.6 902.8 901.2 897.5 898.3 894.6 889.4 894.4 899.2 902.8 904.4 905.3 905.3 DAY-HOUR 16- 6 26- 6 17- 6 25- 6 21- 6 3- 6 9- 6 9- 6 30- 6 29- 6 28- 6 4- 6 MIN. QFE PRESSURE IN HPA 884.7 885.8 887.5 882.8 885.9 880.2 880.7 885.1 889.0 887.0 892.2 890.4 880.2 DAY-HOUR 11- 0 9-12 23-12 21-12 30-12 24-15 12-12 1- 0 22-12 25-12 9-12 20-12 MEAN QNH PRESSURE IN HPA 1017.1 1016.2 1016.5 1012.7 1012.7 1008.6 1005.9 1011.0 1015.5 1018.5 1021.3 1020.8 1014.7 MAX. QNH PRESSURE IN HPA 1025.3 1025.5 1023.7 1019.6 1020.5 1016.4 1010.7 1016.2 1021.5 1025.5 1027.3 1028.3 1028.3 DAY-HOUR 16- 6 26- 6 17- 6 25- 6 21- 6 3- 6 9- 6 9- 6 30- 6 29- 6 28- 6 4- 6 MIN. QNH PRESSURE IN HPA 1005.4 1006.7 1008.6 1003.3 1006.8 1000.5 1001.0 1005.9 1010.2 1008.0 1013.8 1011.8 1000.5 DAY-HOUR 11- 0 9-12 23-12 21-12 30-12 24-15 12-12 1- 0 22-12 25-12 9-12 20-12 MEAN QFF PRESSURE IN HPA 1016.2 1014.1 1012.3 1007.0 1003.8 998.0 994.7 1001.0 1006.8 1010.8 1016.9 1019.5 1008.4 MAX. QFF PRESSURE IN HPA 1026.4 1024.7 1023.1 1014.3 1013.1 1006.9 1000.0 1006.6 1012.7 1019.5 1024.8 1029.6 1029.6 DAY-HOUR 17- 3 26- 6 17- 6 11- 3 21-21 4- 3 20- 3 9- 6 30- 6 29- 6 25- 6 23- 6 MIN. QFF PRESSURE IN HPA 1003.1 1001.8 1002.5 997.8 996.4 989.3 989.2 995.2 1000.9 999.6 1007.0 1010.6 989.2 DAY-HOUR 11- 0 9-12 23-18 21-12 30-12 24-12 12- 9 1- 0 4-12 25-12 9-12 20-12 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 895.2 894.6 895.1 891.7 891.7 887.9 885.4 889.8 893.7 896.3 898.8 898.3 893.2 MAX. QFE PRESSURE IN HPA 901.4 901.0 900.0 896.4 896.5 893.9 888.2 893.2 896.7 901.0 902.1 902.4 902.4 DAY 17 26 17 25 22 4 10 10 30 29 28 4 MIN. QFE PRESSURE IN HPA 884.7 889.7 889.5 886.0 886.4 881.5 882.0 885.1 891.2 890.4 892.4 892.2 881.5 DAY 11 8 24 22 30 25 12 1 23 26 10 21 MEAN QNH PRESSURE IN HPA 1017.1 1016.5 1016.9 1013.2 1013.2 1009.0 1006.2 1011.1 1015.5 1018.3 1021.0 1020.5 1014.9 MAX. QNH PRESSURE IN HPA 1024.0 1023.5 1022.4 1018.4 1018.5 1015.7 1009.3 1014.9 1018.8 1023.5 1024.8 1025.1 1025.1 DAY 17 26 17 25 22 4 10 10 30 29 28 4 MIN. QNH PRESSURE IN HPA 1005.4 1011.0 1010.8 1006.9 1007.3 1001.9 1002.5 1005.9 1012.7 1011.8 1014.0 1013.8 1001.9 DAY 11 8 24 22 30 25 12 1 23 26 10 21 MEAN QFF PRESSURE IN HPA 1015.4 1014.2 1012.6 1007.4 1004.4 998.5 995.0 1001.1 1006.7 1010.4 1016.3 1018.9 1008.4 MAX. QFF PRESSURE IN HPA 1025.2 1022.1 1021.8 1013.0 1011.6 1006.0 999.4 1005.1 1010.6 1016.8 1022.3 1026.8 1026.8 DAY 17 26 17 11 22 4 10 10 30 29 25 23 MIN. QFF PRESSURE IN HPA 1003.1 1005.6 1004.5 1000.7 997.7 990.3 990.5 995.2 1002.9 1003.5 1008.4 1011.2 990.3 DAY 11 10 24 21 30 25 12 1 5 25 10 21 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 895.5 894.7 895.3 891.6 891.8 888.3 885.7 890.0 894.2 897.1 899.3 898.7 893.5 MAX. QFE PRESSURE IN HPA 901.8 901.8 900.0 896.4 897.0 894.2 888.8 893.2 898.0 901.6 902.6 903.6 903.6 DAY 17 26 17 25 21 3 20 10 30 29 13 23 MIN. QFE PRESSURE IN HPA 884.9 889.0 889.4 885.6 886.2 881.9 882.5 886.3 891.5 890.7 893.4 892.5 881.9 DAY 11 23 23 21 30 25 12 1 7 25 10 21 MEAN QNH PRESSURE IN HPA 1017.4 1016.5 1017.2 1013.1 1013.3 1009.4 1006.6 1011.4 1016.0 1019.2 1021.7 1021.0 1015.2 MAX. QNH PRESSURE IN HPA 1024.4 1024.4 1022.4 1018.4 1019.1 1016.0 1010.0 1014.9 1020.2 1024.2 1025.3 1026.4 1026.4 DAY 17 26 17 25 21 3 20 10 30 29 13 23 MIN. QNH PRESSURE IN HPA 1005.7 1010.2 1010.7 1006.4 1007.1 1002.3 1003.0 1007.2 1013.0 1012.1 1015.1 1014.1 1002.3 DAY 11 23 23 21 30 25 12 1 7 25 10 21 MEAN QFF PRESSURE IN HPA 1017.4 1015.3 1013.9 1008.3 1005.4 999.8 996.2 1002.1 1008.2 1012.6 1018.3 1020.4 1009.8 MAX. QFF PRESSURE IN HPA 1026.4 1024.3 1023.0 1014.3 1011.1 1006.9 1000.0 1006.0 1012.6 1018.6 1023.8 1029.1 1029.1 DAY 17 26 17 11 22 4 20 10 30 29 25 23 MIN. QFF PRESSURE IN HPA 1004.0 1006.4 1005.6 1000.0 998.6 991.8 992.6 997.0 1004.4 1005.6 1010.2 1012.7 991.8 DAY 11 23 24 21 30 25 12 1 7 25 10 21 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1965 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 896.5 895.8 896.1 892.6 892.4 888.7 886.2 891.0 895.0 898.1 900.6 900.0 894.4 MAX. QFE PRESSURE IN HPA 902.6 902.8 901.2 897.5 898.3 894.6 889.4 894.4 899.2 902.8 904.4 905.3 905.3 DAY 16 26 17 25 21 3 9 9 30 29 28 4 MIN. QFE PRESSURE IN HPA 888.2 889.6 888.5 886.4 886.9 883.5 883.1 887.0 892.2 891.4 895.4 893.6 883.1 DAY 11 23 23 21 30 24 12 1 1 25 9 21 MEAN QNH PRESSURE IN HPA 1018.6 1017.8 1018.1 1014.2 1014.0 1009.9 1007.1 1012.4 1016.9 1020.3 1023.1 1022.4 1016.2 MAX. QNH PRESSURE IN HPA 1025.3 1025.5 1023.7 1019.6 1020.5 1016.4 1010.7 1016.2 1021.5 1025.5 1027.3 1028.3 1028.3 DAY 16 26 17 25 21 3 9 9 30 29 28 4 MIN. QNH PRESSURE IN HPA 1009.3 1010.9 1009.7 1007.3 1007.9 1004.1 1003.7 1008.0 1013.8 1012.9 1017.3 1015.3 1003.7 DAY 11 23 23 21 30 24 12 1 1 25 9 21 MEAN QFF PRESSURE IN HPA 1017.7 1015.8 1013.8 1008.3 1004.8 999.2 995.9 1002.2 1007.9 1012.6 1018.9 1021.6 1009.9 MAX. QFF PRESSURE IN HPA 1025.9 1024.7 1023.1 1014.0 1011.3 1006.5 999.5 1006.6 1012.7 1019.5 1024.8 1029.6 1029.6 DAY 17 26 17 11 21 4 9 9 30 29 25 23 MIN. QFF PRESSURE IN HPA 1006.5 1006.2 1004.1 1000.3 998.9 992.6 991.0 997.5 1003.9 1005.6 1010.8 1013.1 991.0 DAY 11 23 23 21 30 25 12 1 1 25 9 21 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 894.8 894.3 894.7 891.5 891.5 887.9 885.3 890.1 894.0 896.6 899.0 898.5 893.2 MAX. QFE PRESSURE IN HPA 901.6 900.8 899.5 896.2 898.0 894.0 887.9 893.2 898.6 901.3 903.4 903.5 903.5 DAY 16 26 17 25 21 3 20 9 15 29 28 4 MIN. QFE PRESSURE IN HPA 887.0 887.8 888.0 885.8 887.0 882.4 881.8 887.1 891.0 889.2 893.8 890.7 881.8 DAY 11 9 23 22 30 24 12 1 22 25 9 20 MEAN QNH PRESSURE IN HPA 1016.6 1016.1 1016.6 1013.0 1013.0 1009.0 1006.1 1011.4 1015.8 1018.7 1021.3 1020.7 1014.9 MAX. QNH PRESSURE IN HPA 1024.2 1023.3 1021.9 1018.2 1020.2 1015.8 1009.0 1014.9 1020.9 1023.9 1026.2 1026.3 1026.3 DAY 16 26 17 25 21 3 20 9 15 29 28 4 MIN. QNH PRESSURE IN HPA 1008.0 1008.9 1009.1 1006.7 1008.0 1002.9 1002.2 1008.1 1012.4 1010.4 1015.5 1012.1 1002.2 DAY 11 9 23 22 30 24 12 1 22 25 9 20 MEAN QFF PRESSURE IN HPA 1015.0 1013.1 1011.6 1006.6 1003.4 997.8 994.4 1000.7 1006.4 1010.1 1016.1 1018.6 1007.8 MAX. QFF PRESSURE IN HPA 1023.7 1021.8 1020.7 1013.3 1010.6 1005.3 998.0 1004.7 1011.2 1016.8 1022.3 1027.1 1027.1 DAY 16 1 17 10 21 4 10 9 15 29 28 23 MIN. QFF PRESSURE IN HPA 1005.2 1003.1 1003.8 999.3 997.7 990.4 989.2 997.1 1002.5 1001.5 1008.1 1010.6 989.2 DAY 11 9 23 20 30 25 12 1 1 25 9 20 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 894.0 893.1 893.2 889.8 889.9 886.5 884.0 888.8 892.8 895.1 897.8 897.3 891.8 MAX. QFE PRESSURE IN HPA 900.5 899.5 898.4 894.7 896.1 891.9 886.5 891.6 896.6 899.3 901.7 902.0 902.0 DAY 16 1 16 24 21 3 9 9 30 29 28 4 MIN. QFE PRESSURE IN HPA 887.6 885.8 887.5 882.8 885.9 880.7 880.7 885.4 889.0 887.0 892.2 890.4 880.7 DAY 10 9 23 21 30 24 12 1 22 25 9 20 MEAN QNH PRESSURE IN HPA 1015.7 1014.7 1014.9 1011.1 1011.2 1007.4 1004.6 1010.0 1014.4 1016.9 1020.0 1019.4 1013.4 MAX. QNH PRESSURE IN HPA 1023.0 1021.9 1020.6 1016.5 1018.1 1013.4 1007.4 1013.1 1018.7 1021.6 1024.3 1024.6 1024.6 DAY 16 1 16 24 21 3 9 9 30 29 28 4 MIN. QNH PRESSURE IN HPA 1008.7 1006.7 1008.6 1003.3 1006.8 1001.0 1001.0 1006.2 1010.2 1008.0 1013.8 1011.8 1001.0 DAY 10 9 23 21 30 24 12 1 22 25 9 20 MEAN QFF PRESSURE IN HPA 1014.7 1012.2 1010.3 1005.0 1002.0 996.4 993.1 999.5 1005.4 1009.0 1015.2 1017.7 1006.7 MAX. QFF PRESSURE IN HPA 1023.0 1021.5 1019.5 1011.6 1009.3 1003.5 996.3 1003.0 1010.4 1015.2 1021.0 1025.3 1025.3 DAY 16 1 17 23 21 3 9 10 30 29 25 23 MIN. QFF PRESSURE IN HPA 1006.1 1001.8 1003.2 997.8 996.4 989.3 989.3 995.4 1000.9 999.6 1007.0 1010.6 989.3 DAY 10 9 23 21 30 24 12 1 4 25 9 20 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1965 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 894.7 893.8 893.7 890.2 890.1 886.3 884.0 888.7 892.9 895.4 898.3 897.8 892.2 MAX. QFE PRESSURE IN HPA 901.3 899.9 898.4 894.7 896.1 892.1 886.9 891.5 896.6 899.5 902.1 902.2 902.2 DAY 16 1 16 24 21 3 9 9 30 29 28 4 MIN. QFE PRESSURE IN HPA 887.6 886.7 887.7 883.5 886.0 880.2 881.1 885.1 889.0 887.3 892.4 890.9 880.2 DAY 10 9 23 21 29 24 12 1 22 25 9 20 MEAN QNH PRESSURE IN HPA 1016.5 1015.5 1015.5 1011.6 1011.5 1007.3 1004.7 1009.9 1014.6 1017.4 1020.5 1020.0 1013.7 MAX. QNH PRESSURE IN HPA 1023.9 1022.3 1020.6 1016.5 1018.1 1013.7 1007.9 1013.0 1018.7 1021.9 1024.8 1024.9 1024.9 DAY 16 1 16 24 21 3 9 9 30 29 28 4 MIN. QNH PRESSURE IN HPA 1008.7 1007.7 1008.8 1004.1 1006.9 1000.5 1001.5 1005.9 1010.2 1008.3 1014.0 1012.3 1000.5 DAY 10 9 23 21 29 24 12 1 22 25 9 20 MEAN QFF PRESSURE IN HPA 1016.5 1014.2 1012.0 1006.5 1003.3 997.3 994.0 1000.3 1006.7 1010.7 1017.1 1019.4 1008.1 MAX. QFF PRESSURE IN HPA 1025.0 1022.4 1021.1 1012.0 1010.5 1003.8 997.5 1003.9 1011.2 1016.7 1022.8 1027.3 1027.3 DAY 16 1 16 24 21 3 9 10 20 29 25 23 MIN. QFF PRESSURE IN HPA 1007.6 1002.9 1003.5 998.8 997.9 990.1 990.5 995.4 1002.3 1001.2 1008.1 1012.2 990.1 DAY 10 9 23 20 29 24 12 1 4 25 9 20 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 896.0 894.7 894.8 891.3 891.2 887.1 884.9 889.7 893.7 896.6 899.3 899.0 893.2 MAX. QFE PRESSURE IN HPA 901.5 900.5 900.4 895.2 897.0 893.0 887.6 893.4 897.1 900.6 902.7 903.4 903.4 DAY 16 1 16 24 21 3 9 9 30 28 28 22 MIN. QFE PRESSURE IN HPA 886.0 888.1 888.5 885.6 886.4 880.9 881.6 885.9 889.7 890.2 894.0 892.7 880.9 DAY 10 9 23 21 29 24 11 1 22 25 9 20 MEAN QNH PRESSURE IN HPA 1018.0 1016.5 1016.6 1012.8 1012.7 1008.1 1005.7 1011.0 1015.4 1018.6 1021.7 1021.3 1014.9 MAX. QNH PRESSURE IN HPA 1024.1 1023.0 1022.9 1017.1 1019.1 1014.7 1008.7 1015.1 1019.2 1023.1 1025.4 1026.2 1026.2 DAY 16 1 16 24 21 3 9 9 30 28 28 22 MIN. QNH PRESSURE IN HPA 1006.9 1009.2 1009.7 1006.4 1007.3 1001.2 1002.0 1006.8 1011.0 1011.6 1015.8 1014.3 1001.2 DAY 10 9 23 21 29 24 11 1 22 25 9 20 MEAN QFF PRESSURE IN HPA 1016.6 1014.5 1012.4 1006.9 1003.6 997.6 994.7 1001.0 1006.6 1011.0 1017.6 1020.4 1008.6 MAX. QFF PRESSURE IN HPA 1025.6 1022.8 1021.8 1013.1 1012.3 1004.7 998.5 1005.0 1010.6 1017.0 1023.2 1027.9 1027.9 DAY 16 1 16 6 21 3 19 9 26 29 25 22 MIN. QFF PRESSURE IN HPA 1003.9 1003.4 1002.5 1000.2 997.6 989.7 990.4 995.7 1001.5 1003.7 1009.1 1012.9 989.7 DAY 10 9 23 20 29 24 11 1 22 25 9 20 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 895.8 894.6 894.8 891.6 891.6 887.4 885.2 889.9 893.8 896.4 898.9 898.6 893.2 MAX. QFE PRESSURE IN HPA 901.4 900.1 900.0 896.4 897.7 893.4 887.9 893.8 896.7 900.8 902.2 902.6 902.6 DAY 16 25 16 24 21 3 9 9 14 28 28 22 MIN. QFE PRESSURE IN HPA 887.1 889.6 888.9 886.0 886.2 881.3 881.9 886.2 890.6 890.3 892.6 892.9 881.3 DAY 10 9 23 21 29 24 11 1 22 25 9 20 MEAN QNH PRESSURE IN HPA 1017.7 1016.5 1016.7 1013.1 1013.1 1008.5 1006.0 1011.2 1015.5 1018.4 1021.2 1020.9 1014.9 MAX. QNH PRESSURE IN HPA 1024.0 1022.5 1022.4 1018.4 1019.9 1015.1 1009.0 1015.5 1018.8 1023.3 1024.9 1025.3 1025.3 DAY 16 25 16 24 21 3 9 9 14 28 28 22 MIN. QNH PRESSURE IN HPA 1008.1 1010.9 1010.1 1006.9 1007.1 1001.7 1002.3 1007.1 1012.0 1011.7 1014.2 1014.5 1001.7 DAY 10 9 23 21 29 24 11 1 22 25 9 20 MEAN QFF PRESSURE IN HPA 1015.5 1013.6 1011.9 1006.9 1003.8 997.5 994.6 1000.9 1006.4 1010.0 1016.1 1018.9 1008.0 MAX. QFF PRESSURE IN HPA 1024.8 1021.9 1021.0 1013.1 1013.1 1005.3 998.8 1005.4 1009.9 1016.7 1021.6 1026.1 1026.1 DAY 16 1 17 10 21 3 9 9 26 29 25 22 MIN. QFF PRESSURE IN HPA 1004.9 1004.8 1003.1 1000.3 997.1 989.3 989.9 995.5 1001.7 1003.0 1007.2 1011.6 989.3 DAY 10 9 23 21 29 24 11 1 22 25 9 20 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1966 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 13.7 15.2 17.5 21.3 28.4 33.2 32.2 30.7 28.4 23.0 14.0 12.1 22.5 MINIMUN AIR TEMPERATURE (C) 7.5 10.0 11.6 15.6 21.9 26.9 25.9 24.1 21.6 17.1 7.7 6.2 16.3 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 21 30 31 31 24 5 0 0 142 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 0 0 0 0 0 0 0 0 0 0 0 1 1 TEMPERATURE RECORDS LOWEST(C) 4.0 6.0 5.0 8.0 15.0 21.0 21.0 21.0 15.0 13.0 2.0 0.0 0.0 DAY 2 25 4 6 13 2 1 17 5 19 26 27 MAXIMUM AIR TEMPERATURE (C) 22.2 22.4 24.9 28.9 35.5 40.3 39.0 38.0 36.5 30.6 22.1 20.5 30.1 DAYS WITH MAXIMUM TEMP. >=30 1 1 7 18 28 30 31 31 30 21 0 0 198 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 30.0 30.0 34.0 35.0 40.0 45.0 43.0 43.0 40.0 37.0 28.0 26.0 45.0 DAY 31 1 13 21 26 21 7 6 25 2 1 20 DIF. BETWEEN (MAX.-MIN.) (C) 14.7 12.4 13.3 13.3 13.6 13.4 13.1 13.9 14.9 13.5 14.4 14.3 13.8 MEAN DAILY TEMP. (MDT) (C) 14.9 16.2 18.3 22.2 28.7 33.6 32.5 31.0 29.1 23.8 14.9 13.3 23.2 COOLING DEG. DAYS(BASE 21 0C) 2.5 4.0 19.5 60.5 239.5 378.5 356.0 311.0 242.0 94.5 0.0 0.0 1708.0 HEATING DEG. DAYS(BASE 18 0C) 107.5 68.5 50.0 5.5 0.0 0.0 0.0 0.0 0.0 0.0 97.0 149.0 477.5 DEWPOINT (MEAN C) -1.8 1.2 0.4 5.1 6.8 5.7 6.9 10.6 9.2 8.4 -0.5 -0.1 4.3 MIXING RATIO (G/KG) 3.84 4.76 4.57 6.35 7.32 6.82 7.32 9.45 8.76 7.89 4.36 4.44 6.32 VAPOUR PRESSURE (HPA) 5.51 6.79 6.51 9.02 10.36 9.62 10.29 13.27 12.38 11.23 6.27 6.36 8.97 SATURATION DEF. (HPA) 11.19 11.26 14.99 17.63 29.98 43.37 39.66 32.66 27.98 18.21 10.73 8.70 22.20 RELATIVE HUMIDITY (MEAN %) 36 42 35 37 27 20 21 30 32 41 38 45 34 RELATIVE HUMIDITY (MAX. %) 46 58 49 52 36 27 29 38 43 52 49 56 45 RELATIVE HUMIDITY (MIN. %) 25 26 22 25 20 14 16 23 24 30 29 34 24 RELATIVE HUMIDITY (MEAN% 03UTC) 42 51 43 46 31 23 25 35 35 48 41 47 39 RELATIVE HUMIDITY (MEAN% 09UTC) 27 30 24 27 21 15 17 24 26 31 30 37 26 RELATIVE HUMIDITY (MEAN% 15UTC) 32 34 29 31 24 17 17 25 29 37 36 42 29 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 0.0 15.3 12.0 7.3 1.0 0.1 0.0 0.0 0.0 0.0 0.0 0.0 35.7 DAYS WITH PRECIPITATION >=10 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH PRECIPITATION >= 5 0 1 1 0 0 0 0 0 0 0 0 0 2 DAYS WITH PRECIPITATION >= 1 0 4 3 3 1 0 0 0 0 0 0 0 11 DAYS WITH PRECIPITATION 0 5 4 4 3 2 0 0 0 0 0 0 18 GREATEST DAILY PRECIPITATION 0.0 5.0 5.0 3.0 1.0 0.1 0.0 0.0 0.0 0.0 0.0 0.0 5.0 DAY ** 9 24 26 28 1 ** ** ** ** ** ** DAY WITH THUNDER STORM 0 0 0 2 3 0 0 0 0 0 0 0 5 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 0 0 7 3 4 4 12 3 5 0 0 1 39 WIND DIRECTION (PREVAILING) 270 270 270 270 270 270 270 270 270 270 270 270 270 PREVAILING WIND SPEED(KNOTS) 5.5 5.6 5.8 5.7 5.9 6.4 5.3 4.9 6.9 4.9 6.1 5.6 5.7 PREVAILING WIND PERCENT 50.0 43.8 38.7 41.7 34.7 37.9 35.5 39.1 43.3 41.5 48.3 44.4 41.5 CALMS PERCENT OF WIND 4.4 5.4 2.4 3.3 1.2 1.3 1.6 1.2 0.8 0.0 0.0 0.4 1.8 NO. OF WIND OBSERVATION 248 224 248 240 248 240 248 248 240 248 240 248 2920 VECTOR WIND DIRECTION (MEAN) 286 288 292 294 316 314 326 325 305 301 302 283 305 VECTOR WIND MAGNITUDE(KNOTS) 2.4 2.5 3.0 3.1 3.2 4.0 4.1 3.4 3.9 2.2 3.5 2.8 3.1 WIND STEADINESES (MEAN %) 52.2 48.1 50.8 55.4 55.2 64.5 68.3 63.0 62.9 46.8 62.5 56.0 56.4 WIND SPEED (MEAN KNOTS) 4.6 5.2 5.9 5.6 5.8 6.2 6.0 5.4 6.2 4.7 5.6 5.0 5.5 FASTEST WIND DIRECTION 270 270 240 360 270 270 360 360 360 270 360 220 240 FASTEST WIND SPEED (KNOTS) 16 24 38 30 16 15 28 15 18 15 18 18 38 DAY 30 2 20 24 5 2 12 9 4 1 12 12 DAYS WITH SKY CLEAR (0-2)/8 23 18 23 17 26 25 29 31 29 25 29 23 298 DAYS WITH P.CLOUDY (3-6)/8 7 7 6 11 5 5 2 0 1 6 1 8 59 DAYS WITH CLOUDY (7-8)/8 1 3 2 2 0 0 0 0 0 0 0 0 8 DAYS WITH VISIBILITY =< 2 KM 0 0 1 0 0 0 0 0 2 0 0 0 3 DURATION OF SUNSHINE HOURS 268.2 239.4 270.8 254.7 322.2 328.2 342.3 358.5 304.4 276.6 297.5 269.1 3531.9 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1966 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 899.2 895.2 893.8 893.1 892.8 887.4 885.9 888.3 892.5 897.1 902.5 897.9 893.8 MAX. QFE PRESSURE IN HPA 905.9 904.0 903.2 901.3 897.9 894.9 891.1 893.6 896.5 903.7 907.7 906.5 907.7 DAY-HOUR 1- 6 26- 6 3- 6 6- 6 13- 6 2- 6 11- 6 17- 6 20- 6 31- 6 23- 6 8- 6 MIN. QFE PRESSURE IN HPA 893.0 887.8 881.1 885.0 887.0 879.7 881.6 881.7 887.8 889.4 897.9 889.1 879.7 DAY-HOUR 27-12 15- 0 20-12 14-15 26-15 27-15 17-15 5-15 13-12 15-15 30-12 12-12 MEAN QNH PRESSURE IN HPA 1021.6 1017.1 1015.5 1014.8 1014.4 1008.5 1006.7 1009.5 1014.1 1019.2 1025.2 1020.0 1015.6 MAX. QNH PRESSURE IN HPA 1029.0 1026.9 1026.0 1023.9 1020.1 1016.8 1012.5 1015.3 1018.5 1026.5 1031.0 1029.6 1031.0 DAY-HOUR 1- 6 26- 6 3- 6 6- 6 13- 6 2- 6 11- 6 17- 6 20- 6 31- 6 23- 6 8- 6 MIN. QNH PRESSURE IN HPA 1014.7 1008.9 1001.5 1005.8 1008.0 999.9 1002.0 1002.1 1008.9 1010.7 1020.1 1010.3 999.9 DAY-HOUR 27-12 15- 0 20-12 14-15 26-15 27-15 17-15 5-15 13-12 15-15 30-12 12-12 MEAN QFF PRESSURE IN HPA 1019.1 1013.8 1011.2 1008.7 1005.4 997.6 996.1 999.4 1005.0 1012.4 1022.6 1018.1 1009.1 MAX. QFF PRESSURE IN HPA 1027.5 1025.5 1025.4 1021.7 1013.4 1008.1 1001.4 1006.6 1010.9 1021.5 1029.8 1028.7 1029.8 DAY-HOUR 1- 6 26- 6 3- 6 6- 3 13- 6 2- 3 4- 3 17-18 5- 3 31- 6 28- 6 8- 6 MIN. QFF PRESSURE IN HPA 1010.0 1003.8 993.7 998.6 997.2 987.5 990.8 991.0 998.8 1002.1 1017.1 1005.6 987.5 DAY-HOUR 27-12 15- 0 20-12 24-12 26-18 27- 0 18-12 5-15 1-15 1-12 5-12 12-12 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 899.0 894.9 893.3 892.7 892.5 887.2 885.9 888.2 892.5 897.1 902.6 897.7 893.6 MAX. QFE PRESSURE IN HPA 903.0 900.8 900.3 899.4 896.0 894.3 889.6 892.6 895.8 901.8 906.0 906.2 906.2 DAY 1 26 3 6 2 3 11 17 23 31 23 8 MIN. QFE PRESSURE IN HPA 895.0 887.8 885.1 887.4 887.6 880.4 882.6 883.4 888.8 891.0 899.7 891.0 880.4 DAY 27 15 20 24 27 27 18 6 13 2 16 12 MEAN QNH PRESSURE IN HPA 1021.3 1016.7 1015.0 1014.3 1014.1 1008.2 1006.8 1009.4 1014.1 1019.2 1025.3 1019.9 1015.4 MAX. QNH PRESSURE IN HPA 1025.7 1023.3 1022.8 1021.8 1018.0 1016.1 1010.9 1014.2 1017.8 1024.4 1029.1 1029.3 1029.3 DAY 1 26 3 6 2 3 11 17 23 31 23 8 MIN. QNH PRESSURE IN HPA 1016.9 1008.9 1005.9 1008.4 1008.7 1000.7 1003.1 1004.0 1010.0 1012.4 1022.1 1012.4 1000.7 DAY 27 15 20 24 27 27 18 6 13 2 16 12 MEAN QFF PRESSURE IN HPA 1018.4 1013.0 1010.3 1008.1 1005.0 997.1 996.1 999.1 1005.0 1012.1 1022.4 1017.5 1008.7 MAX. QFF PRESSURE IN HPA 1024.5 1021.3 1022.3 1020.3 1011.3 1006.9 1000.1 1005.3 1009.6 1019.0 1028.0 1027.7 1028.0 DAY 2 26 3 6 13 2 4 17 5 31 26 8 MIN. QFF PRESSURE IN HPA 1011.8 1003.8 997.7 1000.1 997.5 987.5 991.5 992.5 1000.1 1003.3 1018.5 1007.0 987.5 DAY 31 15 20 24 27 27 18 6 2 2 19 13 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 899.6 895.4 893.9 893.7 893.4 888.1 886.5 888.9 892.9 897.7 902.9 898.0 894.2 MAX. QFE PRESSURE IN HPA 904.3 902.0 901.6 900.4 896.8 894.8 890.2 892.8 895.5 902.4 906.3 906.3 906.3 DAY 1 26 3 6 13 3 11 17 30 31 23 8 MIN. QFE PRESSURE IN HPA 895.4 888.0 884.8 887.6 889.3 880.9 884.2 884.5 888.8 891.2 899.1 891.1 880.9 DAY 27 10 20 24 29 27 18 5 13 2 16 12 MEAN QNH PRESSURE IN HPA 1021.9 1017.3 1015.7 1015.4 1015.1 1009.3 1007.5 1010.1 1014.6 1019.9 1025.6 1020.2 1016.0 MAX. QNH PRESSURE IN HPA 1027.2 1024.6 1024.2 1022.9 1018.9 1016.7 1011.6 1014.4 1017.4 1025.1 1029.4 1029.4 1029.4 DAY 1 26 3 6 13 3 11 17 30 31 23 8 MIN. QNH PRESSURE IN HPA 1017.3 1009.1 1005.6 1008.7 1010.6 1001.2 1004.9 1005.2 1010.0 1012.7 1021.4 1012.5 1001.2 DAY 27 10 20 24 29 27 18 5 13 2 16 12 MEAN QFF PRESSURE IN HPA 1020.3 1014.6 1012.1 1010.1 1006.9 999.1 997.5 1000.5 1006.4 1013.9 1023.9 1019.1 1010.4 MAX. QFF PRESSURE IN HPA 1026.3 1023.6 1025.2 1021.7 1013.3 1008.1 1001.4 1006.3 1010.9 1021.0 1029.5 1027.8 1029.5 DAY 2 26 3 6 13 2 4 17 5 31 28 8 MIN. QFF PRESSURE IN HPA 1014.1 1006.6 998.4 1001.6 1000.6 989.8 993.6 994.2 1000.7 1004.7 1019.4 1009.1 989.8 DAY 31 15 20 24 27 27 18 6 1 2 19 13 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1966 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 900.7 896.8 895.2 894.7 894.4 888.7 887.0 889.6 893.8 898.6 903.9 899.2 895.2 MAX. QFE PRESSURE IN HPA 905.9 904.0 903.2 901.3 897.9 894.9 891.1 893.6 896.5 903.7 907.7 906.5 907.7 DAY 1 26 3 6 13 2 11 17 20 31 23 8 MIN. QFE PRESSURE IN HPA 896.8 890.5 885.7 889.0 889.8 881.6 884.0 884.8 889.7 892.7 900.2 891.4 881.6 DAY 27 15 20 24 29 27 18 5 13 2 16 12 MEAN QNH PRESSURE IN HPA 1023.2 1018.9 1017.0 1016.5 1016.3 1009.9 1008.0 1010.8 1015.5 1020.9 1026.8 1021.6 1017.1 MAX. QNH PRESSURE IN HPA 1029.0 1026.9 1026.0 1023.9 1020.1 1016.8 1012.5 1015.3 1018.5 1026.5 1031.0 1029.6 1031.0 DAY 1 26 3 6 13 2 11 17 20 31 23 8 MIN. QNH PRESSURE IN HPA 1018.9 1011.9 1006.6 1010.2 1011.1 1002.0 1004.7 1005.6 1011.0 1014.3 1022.6 1012.9 1002.0 DAY 27 15 20 24 29 27 18 5 13 2 16 12 MEAN QFF PRESSURE IN HPA 1021.4 1015.8 1012.9 1010.5 1007.2 999.1 997.4 1000.7 1006.2 1013.9 1024.2 1020.0 1010.8 MAX. QFF PRESSURE IN HPA 1027.5 1025.5 1025.4 1021.4 1013.4 1007.2 1001.4 1006.1 1009.6 1021.5 1029.8 1028.7 1029.8 DAY 1 26 3 6 13 7 11 17 6 31 28 8 MIN. QFF PRESSURE IN HPA 1015.0 1007.5 999.2 1002.8 1000.9 990.0 993.8 994.4 1001.1 1005.6 1020.4 1010.2 990.0 DAY 31 15 20 23 26 27 18 5 13 2 16 12 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 899.5 895.8 894.3 893.6 893.5 888.1 886.3 888.8 892.7 897.4 902.5 898.2 894.2 MAX. QFE PRESSURE IN HPA 904.3 902.4 902.0 899.7 896.8 894.9 890.3 893.1 895.1 902.2 906.5 905.2 906.5 DAY 1 26 3 6 13 2 11 17 21 31 23 7 MIN. QFE PRESSURE IN HPA 895.5 890.2 884.1 887.8 888.9 880.9 883.4 884.3 888.8 891.1 899.3 890.1 880.9 DAY 11 15 20 23 29 27 18 5 8 2 16 12 MEAN QNH PRESSURE IN HPA 1021.9 1017.7 1016.1 1015.3 1015.2 1009.2 1007.3 1010.0 1014.3 1019.5 1025.2 1020.4 1016.0 MAX. QNH PRESSURE IN HPA 1027.2 1025.1 1024.6 1022.1 1018.9 1016.8 1011.7 1014.8 1017.0 1024.9 1029.6 1028.2 1029.6 DAY 1 26 3 6 13 2 11 17 21 31 23 7 MIN. QNH PRESSURE IN HPA 1017.4 1011.6 1004.8 1008.9 1010.1 1001.2 1004.0 1005.0 1010.0 1012.5 1021.6 1011.4 1001.2 DAY 11 15 20 23 29 27 18 5 8 2 16 12 MEAN QFF PRESSURE IN HPA 1018.5 1013.9 1011.2 1008.7 1005.9 997.9 996.3 999.5 1004.6 1012.1 1021.7 1017.7 1009.0 MAX. QFF PRESSURE IN HPA 1025.0 1022.4 1023.2 1019.1 1011.8 1006.5 1000.5 1005.5 1008.6 1019.3 1027.4 1026.0 1027.4 DAY 1 26 3 6 13 2 3 17 5 31 23 7 MIN. QFF PRESSURE IN HPA 1012.8 1006.9 996.9 1000.2 999.8 988.0 992.0 993.0 1000.1 1002.5 1017.4 1007.2 988.0 DAY 27 15 20 23 26 27 18 6 12 2 5 12 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 898.0 894.0 892.5 892.2 891.8 886.8 885.0 887.3 891.3 895.7 901.2 896.6 892.7 MAX. QFE PRESSURE IN HPA 903.0 900.7 900.4 900.0 895.1 893.4 888.8 891.9 894.4 901.6 904.4 904.1 904.4 DAY 1 26 3 5 13 2 11 17 19 31 22 7 MIN. QFE PRESSURE IN HPA 893.0 889.3 881.1 885.6 887.3 880.1 882.1 882.3 887.8 889.8 897.9 889.1 880.1 DAY 27 15 20 14 29 27 17 5 13 15 30 12 MEAN QNH PRESSURE IN HPA 1020.2 1015.8 1014.1 1013.7 1013.3 1007.8 1005.8 1008.3 1012.8 1017.7 1023.8 1018.7 1014.3 MAX. QNH PRESSURE IN HPA 1025.7 1023.2 1022.9 1022.4 1017.0 1015.1 1010.0 1013.4 1016.2 1024.2 1027.3 1027.0 1027.3 DAY 1 26 3 5 13 2 11 17 19 31 22 7 MIN. QNH PRESSURE IN HPA 1014.7 1010.6 1001.5 1006.4 1008.3 1000.3 1002.6 1002.8 1008.9 1011.1 1020.1 1010.3 1000.3 DAY 27 15 20 14 29 27 17 5 13 15 30 12 MEAN QFF PRESSURE IN HPA 1017.1 1012.1 1009.4 1007.4 1004.0 996.6 994.9 997.8 1003.4 1010.6 1020.9 1016.2 1007.5 MAX. QFF PRESSURE IN HPA 1023.9 1020.7 1021.6 1019.9 1009.8 1006.9 999.3 1004.2 1007.1 1019.0 1026.5 1025.1 1026.5 DAY 1 26 3 5 13 1 4 17 5 31 27 7 MIN. QFF PRESSURE IN HPA 1010.0 1006.1 993.7 998.6 998.2 987.5 990.8 991.1 999.0 1002.1 1017.1 1005.6 987.5 DAY 27 15 20 24 26 27 18 5 13 1 5 12 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1966 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 898.4 894.3 892.9 892.1 891.6 886.3 884.6 887.2 891.5 896.1 901.8 897.1 892.8 MAX. QFE PRESSURE IN HPA 902.7 900.7 900.2 899.7 895.1 893.1 888.3 891.5 894.3 901.8 905.0 904.8 905.0 DAY 1 26 3 5 13 2 10 17 19 31 22 7 MIN. QFE PRESSURE IN HPA 893.8 889.2 881.2 885.0 887.0 879.7 881.6 881.7 888.0 889.4 898.3 889.1 879.7 DAY 27 14 20 14 26 27 17 5 1 15 30 12 MEAN QNH PRESSURE IN HPA 1020.6 1016.1 1014.5 1013.7 1013.1 1007.2 1005.4 1008.2 1012.9 1018.1 1024.4 1019.3 1014.5 MAX. QNH PRESSURE IN HPA 1025.4 1023.2 1022.6 1022.1 1017.0 1014.8 1009.4 1013.0 1016.1 1024.4 1028.0 1027.7 1028.0 DAY 1 26 3 5 13 2 10 17 19 31 22 7 MIN. QNH PRESSURE IN HPA 1015.5 1010.4 1001.6 1005.8 1008.0 999.9 1002.0 1002.1 1009.1 1010.7 1020.5 1010.3 999.9 DAY 27 14 20 14 26 27 17 5 1 15 30 12 MEAN QFF PRESSURE IN HPA 1018.8 1013.4 1010.9 1008.3 1004.6 996.9 995.3 998.5 1004.5 1012.1 1022.6 1018.0 1008.7 MAX. QFF PRESSURE IN HPA 1024.8 1021.6 1022.2 1020.1 1010.7 1005.9 999.2 1004.4 1008.4 1020.2 1028.4 1026.1 1028.4 DAY 1 26 3 5 12 1 2 17 5 31 26 7 MIN. QFF PRESSURE IN HPA 1012.5 1007.6 994.9 999.5 998.0 988.3 991.6 991.0 998.8 1003.0 1018.8 1006.2 988.3 DAY 31 15 20 14 26 27 17 5 1 1 18 12 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 899.7 895.6 894.1 893.3 892.8 887.1 885.7 888.5 892.6 897.3 902.7 898.2 894.0 MAX. QFE PRESSURE IN HPA 904.8 901.8 901.0 900.2 896.6 894.9 888.9 893.5 895.3 903.1 905.9 905.9 905.9 DAY 1 26 3 26 13 2 3 17 20 31 22 7 MIN. QFE PRESSURE IN HPA 895.5 889.9 883.7 886.2 887.8 881.3 883.0 883.2 889.2 891.0 899.2 890.4 881.3 DAY 27 14 20 23 26 26 17 5 8 1 30 12 MEAN QNH PRESSURE IN HPA 1022.1 1017.5 1015.9 1014.9 1014.4 1008.2 1006.6 1009.7 1014.2 1019.4 1025.4 1020.4 1015.7 MAX. QNH PRESSURE IN HPA 1027.7 1024.4 1023.5 1022.6 1018.7 1016.8 1010.1 1015.2 1017.2 1025.9 1029.0 1029.0 1029.0 DAY 1 26 3 26 13 2 3 17 20 31 22 7 MIN. QNH PRESSURE IN HPA 1017.4 1011.2 1004.3 1007.1 1008.9 1001.7 1003.6 1003.8 1010.4 1012.4 1021.5 1011.8 1001.7 DAY 27 14 20 23 26 26 17 5 8 1 30 12 MEAN QFF PRESSURE IN HPA 1020.1 1014.5 1011.8 1008.9 1005.4 997.3 996.0 999.7 1005.1 1012.5 1022.9 1018.9 1009.4 MAX. QFF PRESSURE IN HPA 1026.7 1022.8 1023.2 1018.4 1012.4 1007.6 1000.6 1006.6 1008.7 1021.3 1029.1 1028.3 1029.1 DAY 1 26 3 5 12 2 3 17 5 31 25 7 MIN. QFF PRESSURE IN HPA 1013.1 1007.4 997.6 999.8 997.2 989.4 992.9 993.0 1000.6 1003.7 1019.1 1007.3 989.4 DAY 31 14 20 23 26 27 25 5 1 1 18 12 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 899.2 895.2 894.0 893.0 892.5 887.2 885.9 888.4 892.8 897.5 902.6 898.0 893.9 MAX. QFE PRESSURE IN HPA 903.9 901.8 900.2 899.4 896.8 894.2 889.4 893.0 895.8 903.3 906.0 905.7 906.0 DAY 1 25 3 5 1 2 10 17 22 31 22 7 MIN. QFE PRESSURE IN HPA 895.0 888.4 884.7 887.0 887.4 880.9 882.9 883.4 889.1 891.0 899.7 891.0 880.9 DAY 27 14 20 23 26 26 17 5 12 1 16 12 MEAN QNH PRESSURE IN HPA 1021.5 1017.1 1015.8 1014.6 1014.1 1008.2 1006.8 1009.6 1014.4 1019.6 1025.3 1020.2 1015.6 MAX. QNH PRESSURE IN HPA 1026.7 1024.4 1022.6 1021.8 1018.9 1016.0 1010.7 1014.7 1017.8 1026.1 1029.1 1028.7 1029.1 DAY 1 25 3 5 1 2 10 17 22 31 22 7 MIN. QNH PRESSURE IN HPA 1016.9 1009.6 1005.4 1008.0 1008.4 1001.2 1003.5 1004.0 1010.3 1012.4 1022.1 1012.4 1001.2 DAY 27 14 20 23 26 26 17 5 12 1 16 12 MEAN QFF PRESSURE IN HPA 1018.2 1013.3 1010.9 1008.0 1004.8 997.0 995.8 999.2 1004.9 1012.4 1022.1 1017.7 1008.7 MAX. QFF PRESSURE IN HPA 1025.3 1022.1 1021.9 1018.5 1011.6 1006.1 1000.6 1005.5 1008.5 1021.2 1028.2 1026.6 1028.2 DAY 1 25 3 5 12 2 3 17 20 31 25 7 MIN. QFF PRESSURE IN HPA 1011.4 1004.6 998.8 999.9 997.3 988.1 991.9 992.5 1000.4 1002.8 1017.8 1007.0 988.1 DAY 27 14 20 23 26 26 18 5 1 1 18 12 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1967 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 10.0 12.9 16.7 20.4 27.1 30.2 33.3 30.4 30.0 22.5 17.5 9.6 21.7 MINIMUN AIR TEMPERATURE (C) 4.3 7.7 10.8 14.1 20.6 23.5 27.0 23.8 22.7 15.6 11.7 3.9 15.5 DAYS WITH MINIMUM TEMP. >=21 0 0 0 2 16 28 31 29 27 1 0 0 134 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 1 1 DAYS WITH FREEZING MIN.<= 0 9 3 0 0 0 0 0 0 0 0 0 7 19 TEMPERATURE RECORDS LOWEST(C) -1.0 -1.0 2.0 4.0 15.0 20.0 24.0 20.0 20.0 8.0 5.0 -4.0 -4.0 DAY 8 7 2 2 1 10 17 19 27 24 30 26 MAXIMUM AIR TEMPERATURE (C) 17.9 19.6 24.1 27.5 34.5 37.4 40.6 38.2 37.0 30.6 25.7 17.4 29.2 DAYS WITH MAXIMUM TEMP. >=30 0 0 2 10 27 30 31 31 30 19 3 0 183 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 28.0 28.0 31.0 35.0 41.0 42.0 45.0 41.0 41.0 37.0 30.0 26.0 45.0 DAY 19 24 8 21 18 5 9 2 8 3 2 18 DIF. BETWEEN (MAX.-MIN.) (C) 13.6 11.9 13.3 13.4 13.9 13.9 13.6 14.4 14.3 15.0 14.0 13.5 13.7 MEAN DAILY TEMP. (MDT) (C) 11.1 13.6 17.5 20.8 27.5 30.5 33.8 31.0 29.9 23.1 18.7 10.6 22.3 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 9.5 40.0 203.0 284.5 396.5 310.0 266.0 88.5 2.0 0.0 1600.0 HEATING DEG. DAYS(BASE 18 0C) 219.5 130.0 59.0 23.0 0.0 0.0 0.0 0.0 0.0 4.5 23.0 228.5 687.5 DEWPOINT (MEAN C) -1.2 2.3 4.1 8.6 9.9 10.8 14.3 11.2 11.4 6.9 6.1 0.8 7.1 MIXING RATIO (G/KG) 4.08 5.26 5.92 8.07 8.95 9.53 12.06 9.87 9.84 7.24 6.79 4.74 7.69 VAPOUR PRESSURE (HPA) 5.85 7.50 8.40 11.43 12.64 13.38 16.79 13.82 13.85 10.33 9.68 6.77 10.87 SATURATION DEF. (HPA) 7.47 8.36 11.65 13.93 25.15 31.25 36.19 31.42 30.24 18.86 11.34 6.06 19.33 RELATIVE HUMIDITY (MEAN %) 47 52 45 48 35 31 33 32 33 38 49 56 42 RELATIVE HUMIDITY (MAX. %) 61 67 59 64 47 42 45 43 43 49 62 73 55 RELATIVE HUMIDITY (MIN. %) 35 37 32 35 24 24 24 23 25 28 37 41 30 RELATIVE HUMIDITY (MEAN% 03UTC) 53 61 54 58 41 37 38 34 36 43 52 63 48 RELATIVE HUMIDITY (MEAN% 09UTC) 38 41 36 39 26 27 25 25 26 30 38 44 33 RELATIVE HUMIDITY (MEAN% 15UTC) 45 48 40 43 33 27 28 27 32 36 47 51 38 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 0.0 16.6 9.0 11.4 0.0 0.0 0.0 0.0 0.0 0.3 0.0 11.0 48.3 DAYS WITH PRECIPITATION >=10 0 1 0 0 0 0 0 0 0 0 0 0 1 DAYS WITH PRECIPITATION >= 5 0 1 0 1 0 0 0 0 0 0 0 1 3 DAYS WITH PRECIPITATION >= 1 0 3 4 3 0 0 0 0 0 0 0 2 12 DAYS WITH PRECIPITATION 1 9 5 6 0 0 0 0 0 1 0 2 24 GREATEST DAILY PRECIPITATION 0.0 13.0 3.0 6.0 0.0 0.0 0.0 0.0 0.0 0.3 0.0 9.0 13.0 DAY ** 18 31 1 ** ** ** ** ** 23 ** 9 DAY WITH THUNDER STORM 0 0 1 0 0 0 0 0 0 0 0 0 1 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 1 1 DAYS WITH DUST 2 3 9 1 4 10 3 5 2 2 0 2 43 WIND DIRECTION (PREVAILING) 270 270 270 270 270 270 270 270 270 270 270 270 270 PREVAILING WIND SPEED(KNOTS) 5.2 6.5 6.0 5.7 5.7 5.1 4.5 5.0 5.5 6.3 5.2 4.4 5.4 PREVAILING WIND PERCENT 44.0 34.8 37.5 37.5 39.9 30.8 37.5 37.5 36.1 32.7 46.3 39.9 38.0 CALMS PERCENT OF WIND 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 2.8 0.2 NO. OF WIND OBSERVATION 248 224 248 240 248 240 248 248 205 214 240 248 2851 VECTOR WIND DIRECTION (MEAN) 289 284 275 284 310 327 328 321 321 311 291 300 305 VECTOR WIND MAGNITUDE(KNOTS) 2.3 3.3 2.7 2.7 3.4 3.6 3.2 3.5 2.9 2.6 2.5 2.0 2.7 WIND STEADINESES (MEAN %) 47.9 55.9 50.9 49.1 58.6 58.1 61.5 64.8 54.7 50.0 54.3 46.5 50.9 WIND SPEED (MEAN KNOTS) 4.8 5.9 5.3 5.5 5.8 6.2 5.2 5.4 5.3 5.2 4.6 4.3 5.3 FASTEST WIND DIRECTION 240 360 270 240 280 360 360 360 270 280 270 360 360 FASTEST WIND SPEED (KNOTS) 15 18 20 18 20 25 20 28 15 20 15 15 28 DAY 22 13 9 15 13 27 23 17 1 22 1 4 DAYS WITH SKY CLEAR (0-2)/8 18 15 16 13 25 29 28 31 21 28 16 19 259 DAYS WITH P.CLOUDY (3-6)/8 12 9 12 14 6 1 3 0 9 3 11 10 90 DAYS WITH CLOUDY (7-8)/8 1 4 3 3 0 0 0 0 0 0 3 2 16 DAYS WITH VISIBILITY =< 2 KM 0 0 0 0 0 1 0 0 0 0 0 0 1 DURATION OF SUNSHINE HOURS 232.3 201.8 251.5 239.6 331.4 333.4 332.8 346.7 289.5 306.1 232.0 245.2 3342.3 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1967 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 899.4 895.1 892.1 892.4 892.3 888.1 883.9 886.7 890.5 898.7 897.5 897.5 892.8 MAX. QFE PRESSURE IN HPA 907.5 904.2 903.7 900.9 901.1 895.5 890.5 892.0 896.3 904.7 902.0 904.7 907.5 DAY-HOUR 6- 6 28- 6 3- 6 4- 6 3- 6 16- 6 14- 6 16- 6 26- 6 15- 6 6- 6 12- 6 MIN. QFE PRESSURE IN HPA 890.8 885.7 879.6 884.1 885.4 882.4 877.9 881.4 885.4 888.3 893.0 885.5 877.9 DAY-HOUR 21-12 6-12 24-15 26-15 18-18 19-15 10-15 4-15 7-12 3-12 27-12 23-12 MEAN QNH PRESSURE IN HPA 1021.8 1017.0 1013.7 1014.0 1013.8 1009.2 1004.6 1007.6 1011.9 1021.0 1019.6 1019.6 1014.5 MAX. QNH PRESSURE IN HPA 1030.7 1027.1 1026.5 1023.4 1023.6 1017.4 1011.9 1013.5 1018.3 1027.6 1024.6 1027.6 1030.7 DAY-HOUR 6- 6 28- 6 3- 6 4- 6 3- 6 16- 6 14- 6 16- 6 26- 6 15- 6 6- 6 12- 6 MIN. QNH PRESSURE IN HPA 1012.2 1006.6 999.8 1004.8 1006.2 1002.9 997.9 1001.8 1006.2 1009.4 1014.7 1006.3 997.9 DAY-HOUR 21-12 6-12 24-15 26-15 18-18 19-15 10-15 4-15 7-12 3-12 27-12 23-12 MEAN QFF PRESSURE IN HPA 1021.0 1014.6 1009.6 1008.2 1005.2 999.2 993.2 997.6 1001.9 1016.0 1015.2 1018.8 1008.4 MAX. QFF PRESSURE IN HPA 1032.9 1026.6 1026.7 1021.0 1017.4 1009.2 1000.8 1002.7 1009.0 1023.4 1020.4 1027.8 1032.9 DAY-HOUR 7- 6 21- 6 1- 6 4- 6 3- 6 16- 3 15- 6 27- 6 26- 3 27- 3 29- 6 27- 6 MIN. QFF PRESSURE IN HPA 1007.1 1003.9 995.3 998.7 995.3 991.9 984.8 990.3 995.2 1002.5 1010.0 1004.7 984.8 DAY-HOUR 21-12 6-12 23-12 26-15 18-18 5-21 10-12 5-12 7-12 3-15 17- 0 23-12 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 899.3 894.5 891.8 892.0 892.1 888.1 883.9 886.8 889.9 900.2 897.3 897.2 892.8 MAX. QFE PRESSURE IN HPA 905.9 901.3 901.1 897.7 899.0 894.5 889.2 890.6 893.2 903.1 900.2 902.5 905.9 DAY 7 28 4 4 3 8 15 16 14 28 6 2 MIN. QFE PRESSURE IN HPA 891.5 889.7 882.1 885.2 886.5 883.2 878.8 883.6 887.2 895.8 893.7 886.8 878.8 DAY 22 13 25 27 19 6 10 6 8 22 28 24 MEAN QNH PRESSURE IN HPA 1021.7 1016.3 1013.4 1013.5 1013.7 1009.2 1004.6 1007.8 1011.2 1022.6 1019.4 1019.3 1014.4 MAX. QNH PRESSURE IN HPA 1029.0 1023.9 1023.6 1019.9 1021.3 1016.3 1010.4 1012.0 1014.9 1025.9 1022.6 1025.2 1029.0 DAY 7 28 4 4 3 8 15 16 14 28 6 2 MIN. QNH PRESSURE IN HPA 1013.0 1011.0 1002.6 1006.0 1007.4 1003.8 998.9 1004.2 1008.2 1017.8 1015.4 1007.8 998.9 DAY 22 13 25 27 19 6 10 6 8 22 28 24 MEAN QFF PRESSURE IN HPA 1020.4 1013.5 1009.0 1007.6 1005.0 999.0 993.0 997.5 1001.4 1016.7 1014.7 1018.1 1008.0 MAX. QFF PRESSURE IN HPA 1030.4 1024.5 1023.4 1016.9 1014.2 1007.9 999.3 1001.3 1005.4 1021.6 1018.0 1025.8 1030.4 DAY 7 21 1 4 3 8 15 31 14 26 18 29 MIN. QFF PRESSURE IN HPA 1008.0 1006.4 997.0 1000.0 996.8 992.4 986.2 993.1 997.3 1009.2 1010.0 1004.9 986.2 DAY 22 13 24 26 19 6 10 6 8 22 17 24 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 899.6 895.2 892.7 892.8 892.9 888.8 884.6 887.2 891.3 898.7 897.8 897.6 893.3 MAX. QFE PRESSURE IN HPA 905.3 903.2 901.7 899.3 900.1 894.9 889.5 891.0 894.6 903.5 901.3 903.4 905.3 DAY 6 28 1 4 3 16 14 16 26 27 6 12 MIN. QFE PRESSURE IN HPA 891.9 889.6 883.3 886.1 887.6 884.2 879.6 884.0 888.3 891.5 894.2 888.1 879.6 DAY 22 13 24 25 19 6 10 6 7 3 28 24 MEAN QNH PRESSURE IN HPA 1022.0 1017.1 1014.3 1014.5 1014.6 1010.0 1005.3 1008.2 1012.7 1021.0 1019.9 1019.8 1014.9 MAX. QNH PRESSURE IN HPA 1028.3 1026.0 1024.3 1021.6 1022.5 1016.8 1010.8 1012.4 1016.4 1026.3 1023.9 1026.2 1028.3 DAY 6 28 1 4 3 16 14 16 26 27 6 12 MIN. QNH PRESSURE IN HPA 1013.4 1010.9 1003.9 1007.0 1008.7 1004.9 999.8 1004.7 1009.4 1013.0 1016.0 1009.2 999.8 DAY 22 13 24 25 19 6 10 6 7 3 28 24 MEAN QFF PRESSURE IN HPA 1022.1 1015.4 1011.0 1009.5 1006.9 1000.9 994.6 998.8 1004.1 1015.6 1016.3 1019.8 1009.6 MAX. QFF PRESSURE IN HPA 1030.9 1025.5 1025.1 1019.8 1016.1 1009.2 1000.4 1002.6 1009.0 1023.4 1019.4 1026.7 1030.9 DAY 6 21 1 4 3 16 15 16 26 27 18 28 MIN. QFF PRESSURE IN HPA 1009.3 1007.7 999.2 1000.2 998.8 995.0 988.4 994.1 1000.0 1005.0 1011.6 1008.0 988.4 DAY 22 13 23 25 19 6 10 5 9 3 26 24 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1967 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 901.0 896.6 893.9 894.0 893.9 889.3 885.0 887.7 892.1 899.7 898.9 899.0 894.3 MAX. QFE PRESSURE IN HPA 907.5 904.2 903.7 900.9 901.1 895.5 890.5 892.0 896.3 904.7 902.0 904.7 907.5 DAY 6 28 3 4 3 16 14 16 26 15 6 12 MIN. QFE PRESSURE IN HPA 892.9 890.3 884.2 887.0 888.8 884.8 879.4 884.3 887.9 891.6 895.6 890.4 879.4 DAY 22 13 24 27 27 19 10 5 7 3 26 24 MEAN QNH PRESSURE IN HPA 1023.5 1018.6 1015.7 1015.8 1015.6 1010.6 1005.8 1008.7 1013.7 1022.1 1021.2 1021.3 1016.0 MAX. QNH PRESSURE IN HPA 1030.7 1027.1 1026.5 1023.4 1023.6 1017.4 1011.9 1013.5 1018.3 1027.6 1024.6 1027.6 1030.7 DAY 6 28 3 4 3 16 14 16 26 15 6 12 MIN. QNH PRESSURE IN HPA 1014.5 1011.7 1004.9 1008.0 1010.0 1005.6 999.6 1005.0 1009.0 1013.1 1017.5 1011.8 999.6 DAY 22 13 24 27 27 19 10 5 7 3 26 24 MEAN QFF PRESSURE IN HPA 1023.3 1016.5 1011.7 1009.9 1007.0 1000.5 994.6 998.8 1002.8 1018.4 1017.0 1020.7 1010.1 MAX. QFF PRESSURE IN HPA 1032.9 1026.6 1026.7 1021.0 1017.4 1008.4 1000.8 1002.7 1006.7 1023.0 1020.4 1027.8 1032.9 DAY 7 21 1 4 3 16 15 27 14 28 29 27 MIN. QFF PRESSURE IN HPA 1010.5 1008.1 1000.7 1001.3 1000.1 994.9 987.6 993.7 998.1 1011.6 1012.8 1008.3 987.6 DAY 22 13 24 25 28 30 10 4 7 13 26 24 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 899.9 895.6 893.0 893.1 893.0 888.8 884.4 887.0 891.0 898.3 897.7 897.7 893.3 MAX. QFE PRESSURE IN HPA 906.3 902.4 903.0 900.3 900.1 894.2 889.9 891.0 894.7 903.5 900.6 903.1 906.3 DAY 23 28 3 4 3 16 15 16 26 15 6 12 MIN. QFE PRESSURE IN HPA 892.7 888.9 882.9 885.5 888.1 883.8 879.2 883.6 887.0 890.0 894.7 889.5 879.2 DAY 21 6 24 26 18 19 10 1 7 3 26 23 MEAN QNH PRESSURE IN HPA 1022.3 1017.5 1014.6 1014.7 1014.6 1010.0 1005.1 1008.0 1012.5 1020.6 1019.9 1019.9 1015.0 MAX. QNH PRESSURE IN HPA 1029.4 1025.1 1025.7 1022.8 1022.5 1016.0 1011.2 1012.4 1016.5 1026.3 1023.1 1025.9 1029.4 DAY 23 28 3 4 3 16 15 16 26 15 6 12 MIN. QNH PRESSURE IN HPA 1014.3 1010.1 1003.5 1006.3 1009.2 1004.4 999.3 1004.2 1008.0 1011.3 1016.5 1010.8 999.3 DAY 21 6 24 26 18 19 10 1 7 3 26 23 MEAN QFF PRESSURE IN HPA 1020.7 1014.5 1010.0 1008.6 1005.5 999.5 993.2 997.4 1001.0 1016.3 1014.7 1018.5 1008.3 MAX. QFF PRESSURE IN HPA 1029.7 1025.4 1024.1 1019.5 1016.1 1007.1 1000.4 1001.3 1004.5 1020.6 1017.7 1025.5 1029.7 DAY 7 20 3 4 3 16 15 16 14 26 29 27 MIN. QFF PRESSURE IN HPA 1009.0 1007.1 998.6 999.5 998.2 993.4 985.9 992.8 996.8 1008.9 1011.7 1009.1 985.9 DAY 21 13 24 26 27 19 10 5 7 13 26 24 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 898.2 894.0 890.8 891.1 891.2 887.2 883.3 885.6 889.4 896.9 896.3 896.3 891.7 MAX. QFE PRESSURE IN HPA 904.8 901.0 901.1 898.0 897.6 893.1 888.3 889.2 893.8 901.9 899.6 901.2 904.8 DAY 6 28 3 4 3 16 14 16 26 15 6 12 MIN. QFE PRESSURE IN HPA 890.8 885.7 879.7 884.5 886.3 882.7 878.1 881.8 885.4 888.3 893.0 885.5 878.1 DAY 21 6 24 26 19 19 10 5 7 3 27 23 MEAN QNH PRESSURE IN HPA 1020.4 1015.7 1012.2 1012.6 1012.7 1008.2 1003.9 1006.4 1010.7 1019.0 1018.3 1018.3 1013.2 MAX. QNH PRESSURE IN HPA 1027.7 1023.5 1023.6 1020.2 1019.8 1014.8 1009.4 1010.4 1015.5 1024.5 1022.0 1023.7 1027.7 DAY 6 28 3 4 3 16 14 16 26 15 6 12 MIN. QNH PRESSURE IN HPA 1012.2 1006.6 999.9 1005.2 1007.2 1003.2 998.1 1002.2 1006.2 1009.4 1014.7 1006.3 998.1 DAY 21 6 24 26 19 19 10 5 7 3 27 23 MEAN QFF PRESSURE IN HPA 1019.0 1012.9 1007.6 1006.4 1003.7 997.8 992.1 995.9 999.6 1015.2 1013.4 1016.9 1006.7 MAX. QFF PRESSURE IN HPA 1028.7 1023.2 1021.4 1016.8 1012.6 1006.1 998.7 999.9 1003.3 1020.3 1017.1 1024.1 1028.7 DAY 6 28 3 4 3 16 15 26 14 25 29 27 MIN. QFF PRESSURE IN HPA 1007.1 1003.9 995.3 999.2 996.8 992.0 984.8 990.3 995.2 1007.0 1010.3 1004.7 984.8 DAY 21 6 23 25 19 20 10 5 7 13 27 23 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1967 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 898.8 894.5 891.0 891.1 890.9 886.8 882.8 885.5 889.6 897.3 896.7 896.8 891.8 MAX. QFE PRESSURE IN HPA 905.2 901.4 901.7 897.6 897.3 893.2 887.8 888.7 893.4 902.6 900.2 901.9 905.2 DAY 6 28 3 4 2 7 15 16 26 15 6 16 MIN. QFE PRESSURE IN HPA 891.5 888.5 879.6 884.1 885.7 882.4 877.9 881.4 885.5 888.9 893.5 886.7 877.9 DAY 21 6 24 26 18 19 10 4 7 3 27 23 MEAN QNH PRESSURE IN HPA 1021.1 1016.4 1012.4 1012.6 1012.3 1007.7 1003.3 1006.3 1010.9 1019.4 1018.7 1018.9 1013.3 MAX. QNH PRESSURE IN HPA 1028.2 1024.0 1024.3 1019.8 1019.4 1014.9 1008.9 1009.9 1015.1 1025.3 1022.6 1024.5 1028.2 DAY 6 28 3 4 2 7 15 16 26 15 6 16 MIN. QNH PRESSURE IN HPA 1013.0 1009.7 999.8 1004.8 1006.6 1002.9 997.9 1001.8 1006.3 1010.1 1015.2 1007.7 997.9 DAY 21 6 24 26 18 19 10 4 7 3 27 23 MEAN QFF PRESSURE IN HPA 1020.9 1014.7 1009.0 1007.4 1004.4 998.5 992.5 996.7 1002.1 1013.9 1015.1 1018.8 1007.8 MAX. QFF PRESSURE IN HPA 1030.3 1024.7 1022.6 1017.8 1013.4 1006.8 998.7 1001.2 1007.9 1022.4 1018.5 1026.0 1030.3 DAY 6 28 3 4 2 7 15 26 26 25 29 27 MIN. QFF PRESSURE IN HPA 1008.6 1006.5 996.2 998.7 996.6 992.7 985.9 991.2 996.8 1002.5 1011.9 1007.4 985.9 DAY 21 12 23 26 18 19 10 4 7 3 20 23 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 899.6 895.6 892.1 892.6 892.1 887.8 883.7 886.8 890.0 900.1 897.7 897.7 893.0 MAX. QFE PRESSURE IN HPA 906.1 902.6 902.2 898.3 898.7 894.5 888.2 889.9 893.4 904.1 900.6 903.4 906.1 DAY 6 28 3 4 2 7 15 16 14 15 6 15 MIN. QFE PRESSURE IN HPA 892.5 890.4 881.5 885.1 885.4 883.8 879.4 881.7 887.0 894.9 894.6 886.8 879.4 DAY 21 12 24 26 18 5 9 4 18 21 16 23 MEAN QNH PRESSURE IN HPA 1021.9 1017.5 1013.7 1014.2 1013.7 1008.9 1004.4 1007.8 1011.3 1022.5 1019.8 1019.9 1014.6 MAX. QNH PRESSURE IN HPA 1029.2 1025.3 1024.9 1020.5 1021.0 1016.3 1009.3 1011.2 1015.1 1027.0 1023.1 1026.2 1029.2 DAY 6 28 3 4 2 7 15 16 14 15 6 15 MIN. QNH PRESSURE IN HPA 1014.1 1011.8 1001.9 1005.9 1006.2 1004.4 999.6 1002.1 1008.0 1016.8 1016.4 1007.8 999.6 DAY 21 12 24 26 18 5 9 4 18 21 16 23 MEAN QFF PRESSURE IN HPA 1021.6 1015.5 1009.7 1008.3 1005.0 999.0 993.3 998.0 1001.7 1016.8 1015.7 1019.4 1008.6 MAX. QFF PRESSURE IN HPA 1031.4 1025.6 1022.6 1018.6 1014.0 1007.8 997.9 1002.6 1005.5 1022.3 1019.3 1026.7 1031.4 DAY 6 28 3 4 2 7 15 27 13 26 29 27 MIN. QFF PRESSURE IN HPA 1009.9 1008.4 996.1 999.6 995.3 993.1 988.1 990.7 997.6 1008.9 1011.7 1005.1 988.1 DAY 20 12 23 26 18 5 10 4 18 21 16 23 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 899.2 895.1 892.0 892.6 892.1 887.9 884.0 887.0 890.1 900.4 897.7 897.6 893.0 MAX. QFE PRESSURE IN HPA 906.3 901.8 901.4 897.3 899.6 894.5 889.9 890.1 893.0 904.5 900.9 903.3 906.3 DAY 6 28 3 4 2 7 14 15 13 26 5 15 MIN. QFE PRESSURE IN HPA 892.1 890.0 881.4 885.0 886.5 882.9 879.1 883.6 887.4 895.5 894.2 886.8 879.1 DAY 21 15 23 26 18 5 9 5 7 13 16 23 MEAN QNH PRESSURE IN HPA 1021.6 1017.0 1013.6 1014.2 1013.7 1009.0 1004.6 1008.0 1011.4 1022.9 1019.9 1019.8 1014.6 MAX. QNH PRESSURE IN HPA 1029.4 1024.4 1024.0 1019.4 1022.0 1016.3 1011.2 1011.4 1014.7 1027.4 1023.4 1026.1 1029.4 DAY 6 28 3 4 2 7 14 15 13 26 5 15 MIN. QNH PRESSURE IN HPA 1013.7 1011.3 1001.8 1005.8 1007.4 1003.5 999.2 1004.2 1008.4 1017.4 1016.0 1007.8 999.2 DAY 21 15 23 26 18 5 9 5 7 13 16 23 MEAN QFF PRESSURE IN HPA 1020.0 1014.2 1009.0 1008.0 1004.6 998.7 992.9 997.6 1001.2 1016.6 1014.9 1018.5 1008.0 MAX. QFF PRESSURE IN HPA 1030.7 1024.4 1021.6 1016.2 1015.4 1007.6 1000.0 1001.0 1005.1 1022.8 1018.7 1026.2 1030.7 DAY 6 20 3 4 2 7 14 26 13 26 30 27 MIN. QFF PRESSURE IN HPA 1008.2 1006.7 995.5 999.2 996.4 991.9 985.7 993.1 996.8 1008.4 1010.7 1005.2 985.7 DAY 20 12 23 26 18 5 9 1 7 13 16 23 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1968 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 11.0 10.1 18.2 21.1 25.4 31.4 31.6 31.4 27.8 23.0 17.1 12.8 21.7 MINIMUN AIR TEMPERATURE (C) 4.4 5.3 12.5 14.9 19.3 24.4 25.3 24.9 21.3 16.6 11.3 7.4 15.6 DAYS WITH MINIMUM TEMP. >=21 0 0 2 4 10 29 31 30 18 2 0 0 126 DAYS WITH MINIMUM TEMP. <=-4 0 2 0 0 0 0 0 0 0 0 0 0 2 DAYS WITH FREEZING MIN.<= 0 6 5 0 0 0 0 0 0 0 0 0 2 13 TEMPERATURE RECORDS LOWEST(C) -2.0 -4.0 5.0 9.0 13.0 20.0 22.0 20.0 17.0 10.0 6.0 -1.0 -4.0 DAY 20 7 26 8 1 2 16 26 20 29 20 24 MAXIMUM AIR TEMPERATURE (C) 19.2 17.0 25.9 28.8 32.8 39.6 39.3 39.7 37.0 31.8 26.0 20.5 29.8 DAYS WITH MAXIMUM TEMP. >=30 0 0 8 12 25 30 31 31 30 24 0 0 191 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 26.0 27.0 36.0 37.0 38.0 44.0 45.0 44.0 41.0 38.0 29.0 28.0 45.0 DAY 7 21 15 19 27 20 7 14 7 1 5 1 DIF. BETWEEN (MAX.-MIN.) (C) 14.8 11.7 13.4 13.9 13.5 15.2 14.0 14.8 15.7 15.2 14.7 13.1 14.2 MEAN DAILY TEMP. (MDT) (C) 11.8 11.2 19.2 21.8 26.0 32.0 32.3 32.3 29.2 24.2 18.7 13.9 22.7 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 32.0 59.5 159.0 330.5 350.5 350.5 245.5 110.0 0.5 0.0 1638.0 HEATING DEG. DAYS(BASE 18 0C) 192.0 199.5 38.0 6.5 0.0 0.0 0.0 0.0 0.0 1.0 18.0 132.5 587.5 DEWPOINT (MEAN C) 1.0 2.4 4.6 8.2 10.9 13.9 9.9 10.2 9.0 6.1 7.3 4.3 7.3 MIXING RATIO (G/KG) 4.80 5.32 6.37 7.80 9.72 11.68 9.16 9.16 8.41 6.81 7.33 6.05 7.72 VAPOUR PRESSURE (HPA) 6.84 7.60 9.05 11.06 13.72 16.34 12.83 12.86 11.90 9.71 10.47 8.63 10.92 SATURATION DEF. (HPA) 7.30 5.53 13.42 15.37 20.14 31.48 35.52 35.05 27.72 20.08 10.06 7.01 19.06 RELATIVE HUMIDITY (MEAN %) 52 62 43 46 43 37 28 28 32 35 54 58 43 RELATIVE HUMIDITY (MAX. %) 70 80 57 62 57 52 40 39 43 46 66 71 57 RELATIVE HUMIDITY (MIN. %) 36 41 31 32 28 25 19 19 21 25 41 44 30 RELATIVE HUMIDITY (MEAN% 03UTC) 60 74 48 56 53 44 31 29 31 36 59 64 49 RELATIVE HUMIDITY (MEAN% 09UTC) 41 48 33 33 31 28 22 20 22 27 42 46 33 RELATIVE HUMIDITY (MEAN% 15UTC) 47 58 41 41 40 32 24 24 31 35 53 54 40 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 0.0 41.0 8.0 16.7 8.8 0.4 0.0 0.0 0.0 0.0 1.4 7.2 83.5 DAYS WITH PRECIPITATION >=10 0 2 0 1 0 0 0 0 0 0 0 0 3 DAYS WITH PRECIPITATION >= 5 0 3 0 1 1 0 0 0 0 0 0 0 5 DAYS WITH PRECIPITATION >= 1 0 6 3 5 2 0 0 0 0 0 1 2 19 DAYS WITH PRECIPITATION 0 7 3 8 4 1 0 0 0 0 1 3 27 GREATEST DAILY PRECIPITATION 0.0 16.0 4.0 11.0 6.4 0.4 0.0 0.0 0.0 0.0 1.4 4.0 16.0 DAY ** 13 12 29 30 8 ** ** ** ** 19 9 DAY WITH THUNDER STORM 0 0 0 1 5 1 0 0 0 0 0 0 7 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 4 1 3 2 6 5 15 2 0 0 0 0 38 WIND DIRECTION (PREVAILING) 270 270 270 270 270 270 360 270 270 270 270 270 270 PREVAILING WIND SPEED(KNOTS) 5.1 6.3 5.1 5.8 6.1 4.5 6.9 5.0 4.8 5.0 4.6 4.6 5.2 PREVAILING WIND PERCENT 39.5 30.2 40.7 38.3 36.7 30.4 33.1 34.7 42.5 43.5 41.3 42.7 37.5 CALMS PERCENT OF WIND 4.0 17.2 3.6 3.8 0.4 6.3 9.3 8.1 2.1 7.7 8.3 8.5 6.6 NO. OF WIND OBSERVATION 248 232 248 240 248 240 248 248 240 248 240 248 2928 VECTOR WIND DIRECTION (MEAN) 276 282 305 255 308 308 326 322 312 300 280 280 299 VECTOR WIND MAGNITUDE(KNOTS) 2.3 1.9 2.5 2.4 3.0 2.0 3.6 2.5 2.7 2.4 1.6 2.1 2.3 WIND STEADINESES (MEAN %) 46.0 43.2 53.2 44.4 52.6 47.6 65.5 56.8 60.0 60.0 42.1 51.2 50.0 WIND SPEED (MEAN KNOTS) 5.0 4.4 4.7 5.4 5.7 4.2 5.5 4.4 4.5 4.0 3.8 4.1 4.6 FASTEST WIND DIRECTION 210 210 270 270 270 360 270 270 30 270 270 270 210 FASTEST WIND SPEED (KNOTS) 25 25 15 20 15 12 15 15 14 12 12 15 25 DAY 25 3 3 20 2 18 13 2 18 5 24 2 DAYS WITH SKY CLEAR (0-2)/8 28 12 21 12 17 27 31 28 29 31 24 21 281 DAYS WITH P.CLOUDY (3-6)/8 3 10 7 16 14 3 0 3 1 0 6 9 72 DAYS WITH CLOUDY (7-8)/8 0 7 3 2 0 0 0 0 0 0 0 1 13 DAYS WITH VISIBILITY =< 2 KM 0 0 0 0 0 0 0 0 0 0 0 0 0 DURATION OF SUNSHINE HOURS 276.6 209.7 256.9 239.4 303.1 339.2 334.2 327.3 323.3 317.5 272.4 256.4 3456.0 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1968 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 895.5 896.6 894.4 894.0 893.0 887.4 886.4 887.7 892.8 897.5 900.0 897.5 893.6 MAX. QFE PRESSURE IN HPA 904.5 905.3 905.2 900.5 899.1 897.5 892.4 895.4 897.8 904.0 906.9 905.5 906.9 DAY-HOUR 19-18 6- 6 27- 6 1- 6 8- 6 1- 6 14- 6 30- 6 21- 6 17- 6 24- 6 21- 6 MIN. QFE PRESSURE IN HPA 887.0 882.3 885.2 885.9 887.4 879.4 880.1 883.0 886.1 890.5 892.4 889.6 879.4 DAY-HOUR 22-15 3- 9 19- 0 24-15 17-12 23-15 12-12 13-15 7-12 5-12 18-12 9- 9 MEAN QNH PRESSURE IN HPA 1017.4 1018.6 1016.2 1015.8 1014.7 1008.4 1007.3 1008.8 1014.5 1019.6 1022.5 1019.7 1015.3 MAX. QNH PRESSURE IN HPA 1027.4 1028.3 1028.2 1023.0 1021.4 1019.6 1014.0 1017.3 1020.0 1026.9 1030.1 1028.5 1030.1 DAY-HOUR 19-18 6- 6 27- 6 1- 6 8- 6 1- 6 14- 6 30- 6 21- 6 17- 6 24- 6 21- 6 MIN. QNH PRESSURE IN HPA 1008.0 1002.8 1006.0 1006.8 1008.4 999.6 1000.3 1003.6 1007.0 1011.9 1014.0 1010.9 999.6 DAY-HOUR 22-15 3- 9 19- 0 24-15 17-12 23-15 12-12 13-15 7-12 5-12 18-12 9- 9 MEAN QFF PRESSURE IN HPA 1015.9 1017.6 1011.5 1009.7 1006.8 997.9 996.9 998.4 1005.6 1012.8 1018.2 1017.3 1009.1 MAX. QFF PRESSURE IN HPA 1029.7 1031.2 1027.0 1017.8 1016.1 1010.6 1004.4 1009.1 1013.0 1022.0 1028.1 1028.8 1031.2 DAY-HOUR 20- 3 7- 6 27- 6 8- 6 1- 3 1- 3 16- 3 28- 6 21- 6 30- 6 24- 6 24- 6 MIN. QFF PRESSURE IN HPA 1004.1 1000.3 998.9 999.2 998.6 989.5 987.4 990.8 996.3 1002.8 1008.2 1006.9 987.4 DAY-HOUR 16-12 3- 9 19- 0 24-21 17-12 23-12 12-12 14-12 7-12 5-12 18-12 9- 9 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 895.5 896.3 894.0 894.0 892.9 887.3 886.4 887.6 892.8 897.2 899.9 897.3 893.4 MAX. QFE PRESSURE IN HPA 903.7 902.9 903.0 898.7 897.3 895.3 890.8 893.8 896.6 902.9 904.6 903.6 904.6 DAY 20 6 28 1 2 1 16 30 21 17 25 22 MIN. QFE PRESSURE IN HPA 887.9 887.5 885.2 887.3 888.7 881.8 881.6 883.8 887.9 891.9 894.2 891.8 881.6 DAY 23 3 19 25 17 24 12 14 8 26 19 5 MEAN QNH PRESSURE IN HPA 1017.4 1018.3 1015.8 1015.7 1014.6 1008.3 1007.3 1008.7 1014.4 1019.3 1022.3 1019.4 1015.1 MAX. QNH PRESSURE IN HPA 1026.5 1025.6 1025.7 1021.0 1019.4 1017.2 1012.2 1015.5 1018.7 1025.6 1027.5 1026.4 1027.5 DAY 20 6 28 1 2 1 16 30 21 17 25 22 MIN. QNH PRESSURE IN HPA 1009.0 1008.6 1006.0 1008.3 1009.9 1002.2 1002.0 1004.4 1009.0 1013.4 1016.0 1013.3 1002.0 DAY 23 3 19 25 17 24 12 14 8 26 19 5 MEAN QFF PRESSURE IN HPA 1015.6 1017.0 1010.8 1009.5 1006.6 997.5 996.5 997.9 1005.2 1012.2 1017.7 1016.7 1008.6 MAX. QFF PRESSURE IN HPA 1029.0 1028.6 1024.7 1015.9 1013.9 1008.4 1002.8 1006.3 1011.5 1019.6 1024.5 1025.8 1029.0 DAY 20 7 28 9 1 1 16 30 20 30 23 24 MIN. QFF PRESSURE IN HPA 1004.8 1005.6 998.9 1000.8 1000.3 990.3 989.5 992.1 998.5 1004.7 1011.0 1007.6 989.5 DAY 23 3 19 24 17 21 12 14 8 11 18 5 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 895.9 896.5 894.7 894.5 893.6 888.2 887.2 888.0 893.1 897.7 900.2 897.5 893.9 MAX. QFE PRESSURE IN HPA 903.8 903.4 903.3 899.4 898.0 896.5 891.3 894.0 896.9 903.1 904.3 903.8 904.3 DAY 20 6 28 1 1 1 16 30 21 17 23 22 MIN. QFE PRESSURE IN HPA 888.5 886.6 886.2 886.7 889.2 882.7 881.6 883.8 887.9 892.3 895.2 891.5 881.6 DAY 25 3 19 25 17 23 12 14 8 11 19 5 MEAN QNH PRESSURE IN HPA 1017.9 1018.5 1016.5 1016.3 1015.3 1009.3 1008.2 1009.1 1014.8 1019.9 1022.7 1019.7 1015.7 MAX. QNH PRESSURE IN HPA 1026.6 1026.2 1026.1 1021.8 1020.2 1018.5 1012.8 1015.8 1019.0 1025.9 1027.2 1026.6 1027.2 DAY 20 6 28 1 1 1 16 30 21 17 23 22 MIN. QNH PRESSURE IN HPA 1009.7 1007.6 1007.1 1007.7 1010.4 1003.2 1002.0 1004.4 1009.0 1013.9 1017.1 1013.0 1002.0 DAY 25 3 19 25 17 23 12 14 8 11 19 5 MEAN QFF PRESSURE IN HPA 1017.4 1018.3 1012.7 1011.1 1008.4 999.8 998.5 999.5 1006.8 1014.2 1019.6 1018.1 1010.3 MAX. QFF PRESSURE IN HPA 1029.7 1030.2 1026.0 1017.6 1016.1 1010.6 1004.4 1007.8 1012.8 1021.7 1025.8 1027.8 1030.2 DAY 20 7 28 8 1 1 16 30 21 30 23 24 MIN. QFF PRESSURE IN HPA 1006.9 1006.1 1001.3 1000.3 1001.9 992.3 991.2 993.2 999.8 1006.4 1012.5 1008.6 991.2 DAY 25 3 19 25 17 21 12 14 8 11 18 5 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1968 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 896.9 898.1 895.9 895.6 894.4 889.0 887.7 888.8 894.2 899.1 901.8 899.1 895.0 MAX. QFE PRESSURE IN HPA 904.1 905.3 905.2 900.5 899.1 897.5 892.4 895.4 897.8 904.0 906.9 905.5 906.9 DAY 20 6 27 1 8 1 14 30 21 17 24 21 MIN. QFE PRESSURE IN HPA 889.7 886.6 888.4 887.4 890.1 883.1 881.8 884.0 889.2 893.5 896.7 892.1 881.8 DAY 25 3 19 25 17 23 12 13 7 11 18 9 MEAN QNH PRESSURE IN HPA 1019.0 1020.3 1017.8 1017.6 1016.2 1010.2 1008.8 1010.0 1015.9 1021.4 1024.4 1021.5 1016.9 MAX. QNH PRESSURE IN HPA 1027.0 1028.3 1028.2 1023.0 1021.4 1019.6 1014.0 1017.3 1020.0 1026.9 1030.1 1028.5 1030.1 DAY 20 6 27 1 8 1 14 30 21 17 24 21 MIN. QNH PRESSURE IN HPA 1011.0 1007.6 1009.6 1008.4 1011.4 1003.7 1002.2 1004.7 1010.4 1015.2 1018.8 1013.7 1002.2 DAY 25 3 19 25 17 23 12 13 7 11 18 9 MEAN QFF PRESSURE IN HPA 1017.8 1019.6 1013.3 1011.4 1008.2 999.8 998.5 999.9 1007.3 1014.7 1020.4 1019.4 1010.9 MAX. QFF PRESSURE IN HPA 1029.0 1031.2 1027.0 1017.8 1015.8 1010.4 1004.1 1009.1 1013.0 1022.0 1028.1 1028.8 1031.2 DAY 20 7 27 8 1 1 14 28 21 30 24 24 MIN. QFF PRESSURE IN HPA 1007.5 1004.5 1004.3 1000.8 1002.7 992.6 990.2 994.2 1001.2 1006.8 1014.3 1010.4 990.2 DAY 25 3 19 25 17 21 12 13 7 11 18 2 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 895.7 896.8 894.8 894.4 893.3 888.1 886.8 888.1 893.2 897.7 900.2 897.5 893.9 MAX. QFE PRESSURE IN HPA 902.7 904.3 903.5 899.3 898.0 895.6 891.0 894.6 896.9 902.7 905.5 903.7 905.5 DAY 19 6 27 1 1 1 16 28 20 16 24 21 MIN. QFE PRESSURE IN HPA 890.1 882.3 887.3 887.2 889.1 881.9 881.8 883.8 888.1 892.1 895.1 889.6 881.8 DAY 22 3 19 24 17 23 12 14 7 5 18 9 MEAN QNH PRESSURE IN HPA 1017.7 1018.9 1016.6 1016.2 1015.0 1009.3 1007.8 1009.2 1014.9 1019.9 1022.7 1019.6 1015.6 MAX. QNH PRESSURE IN HPA 1025.4 1027.2 1026.3 1021.6 1020.2 1017.5 1012.4 1016.4 1019.0 1025.4 1028.5 1026.5 1028.5 DAY 19 6 27 1 1 1 16 28 20 16 24 21 MIN. QNH PRESSURE IN HPA 1011.4 1002.8 1008.3 1008.2 1010.3 1002.3 1002.2 1004.4 1009.2 1013.7 1017.0 1010.9 1002.2 DAY 22 3 19 24 17 23 12 14 7 5 18 9 MEAN QFF PRESSURE IN HPA 1015.5 1017.3 1011.2 1009.5 1006.4 998.1 996.8 998.2 1005.2 1012.3 1017.5 1016.5 1008.7 MAX. QFF PRESSURE IN HPA 1025.9 1029.2 1024.8 1016.1 1014.5 1007.9 1002.2 1007.2 1011.4 1019.7 1025.1 1025.4 1029.2 DAY 20 6 27 8 1 1 16 30 20 30 24 24 MIN. QFF PRESSURE IN HPA 1007.0 1000.3 1001.3 999.8 1000.9 991.4 989.4 991.7 998.3 1004.4 1011.2 1006.9 989.4 DAY 16 3 18 24 17 22 12 14 7 11 18 9 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 894.1 895.5 893.2 892.6 891.9 886.5 885.5 886.9 891.7 896.2 898.8 896.4 892.5 MAX. QFE PRESSURE IN HPA 901.5 902.4 901.6 897.7 896.7 893.6 889.4 893.3 895.7 901.4 904.0 902.9 904.0 DAY 19 7 27 1 2 1 20 30 20 16 24 21 MIN. QFE PRESSURE IN HPA 887.3 886.1 885.7 886.3 887.4 879.7 880.1 883.2 886.1 890.5 892.4 889.6 879.7 DAY 22 3 18 24 17 23 12 14 7 5 18 9 MEAN QNH PRESSURE IN HPA 1015.9 1017.4 1014.9 1014.3 1013.4 1007.5 1006.4 1007.9 1013.2 1018.3 1021.1 1018.5 1014.1 MAX. QNH PRESSURE IN HPA 1024.1 1025.1 1024.2 1019.9 1018.8 1015.3 1010.7 1015.0 1017.7 1024.0 1026.9 1025.6 1026.9 DAY 19 7 27 1 2 1 20 30 20 16 24 21 MIN. QNH PRESSURE IN HPA 1008.3 1007.0 1006.6 1007.2 1008.4 999.9 1000.3 1003.8 1007.0 1011.9 1014.0 1010.9 999.9 DAY 22 3 18 24 17 23 12 14 7 5 18 9 MEAN QFF PRESSURE IN HPA 1013.9 1015.9 1009.7 1008.0 1005.3 996.4 995.4 996.9 1003.8 1011.0 1016.2 1015.7 1007.4 MAX. QFF PRESSURE IN HPA 1025.0 1027.6 1022.6 1014.0 1013.7 1005.9 1001.0 1005.6 1010.4 1018.7 1023.4 1024.6 1027.6 DAY 19 7 27 1 2 1 20 30 20 30 24 21 MIN. QFF PRESSURE IN HPA 1004.1 1005.0 999.2 999.9 998.6 989.5 987.4 990.8 996.3 1002.8 1008.2 1007.0 987.4 DAY 16 3 18 23 17 23 12 14 7 5 18 9 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1968 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 894.6 895.8 893.5 892.7 892.0 886.1 885.2 886.7 891.8 896.5 899.2 896.9 892.6 MAX. QFE PRESSURE IN HPA 902.4 902.5 902.0 898.1 897.4 894.0 889.0 893.3 896.1 901.9 904.4 903.4 904.4 DAY 19 6 27 1 2 1 19 30 20 16 24 21 MIN. QFE PRESSURE IN HPA 887.0 886.6 885.4 885.9 887.5 879.4 880.1 883.0 886.2 890.8 894.1 889.9 879.4 DAY 22 3 18 24 17 23 12 13 7 25 18 9 MEAN QNH PRESSURE IN HPA 1016.4 1017.8 1015.2 1014.4 1013.6 1007.0 1006.0 1007.7 1013.3 1018.5 1021.6 1019.0 1014.2 MAX. QNH PRESSURE IN HPA 1025.1 1025.2 1024.6 1020.3 1019.5 1015.8 1010.2 1015.0 1018.1 1024.5 1027.3 1026.2 1027.3 DAY 19 6 27 1 2 1 19 30 20 16 24 21 MIN. QNH PRESSURE IN HPA 1008.0 1007.6 1006.2 1006.8 1008.6 999.6 1000.3 1003.6 1007.1 1012.2 1015.9 1011.2 999.6 DAY 22 3 18 24 17 23 12 13 7 25 18 9 MEAN QFF PRESSURE IN HPA 1015.7 1017.4 1011.2 1009.0 1006.4 997.2 996.1 997.9 1005.1 1012.7 1018.4 1017.4 1008.7 MAX. QFF PRESSURE IN HPA 1027.2 1029.3 1024.3 1015.7 1015.1 1008.1 1001.4 1006.5 1011.7 1020.6 1025.3 1027.3 1029.3 DAY 19 7 27 1 2 1 19 29 20 30 24 24 MIN. QFF PRESSURE IN HPA 1005.8 1007.0 1000.8 1000.0 1000.5 990.0 989.5 992.2 998.1 1004.9 1011.3 1008.3 989.5 DAY 16 3 18 24 17 23 12 14 7 5 18 9 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 895.6 897.0 894.8 894.0 893.2 887.0 886.2 888.0 893.1 897.8 900.2 897.9 893.7 MAX. QFE PRESSURE IN HPA 904.5 903.5 903.3 898.6 897.7 894.3 890.3 894.2 897.0 903.4 905.5 904.0 905.5 DAY 19 6 27 1 1 1 19 29 20 16 24 21 MIN. QFE PRESSURE IN HPA 888.2 889.3 886.0 887.0 889.2 880.7 881.4 883.7 887.7 891.9 893.7 891.1 880.7 DAY 22 2 18 24 30 23 12 14 7 25 18 9 MEAN QNH PRESSURE IN HPA 1017.6 1019.1 1016.6 1015.8 1014.9 1008.0 1007.1 1009.1 1014.8 1020.0 1022.7 1020.0 1015.5 MAX. QNH PRESSURE IN HPA 1027.4 1026.3 1026.1 1020.9 1019.9 1016.1 1011.7 1016.0 1019.1 1026.2 1028.5 1026.9 1028.5 DAY 19 6 27 1 1 1 19 29 20 16 24 21 MIN. QNH PRESSURE IN HPA 1009.3 1010.6 1006.9 1008.0 1010.4 1001.0 1001.8 1004.3 1008.8 1013.4 1015.4 1012.5 1001.0 DAY 22 2 18 24 30 23 12 14 7 25 18 9 MEAN QFF PRESSURE IN HPA 1016.4 1018.5 1012.1 1009.7 1006.8 997.7 996.8 999.2 1006.3 1013.5 1018.8 1018.1 1009.5 MAX. QFF PRESSURE IN HPA 1029.4 1029.5 1024.8 1016.0 1014.8 1007.2 1002.1 1007.6 1012.7 1020.9 1026.2 1027.3 1029.5 DAY 19 6 27 1 1 1 15 29 20 30 24 24 MIN. QFF PRESSURE IN HPA 1006.4 1008.6 1000.9 1000.2 1001.6 991.2 990.3 993.0 999.9 1005.7 1011.1 1009.4 990.3 DAY 7 2 18 24 27 23 12 14 7 5 18 2 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 895.7 896.9 894.6 894.2 893.1 887.0 886.4 888.0 892.9 897.6 900.0 897.7 893.7 MAX. QFE PRESSURE IN HPA 904.2 903.4 903.0 898.2 897.7 894.0 890.5 893.8 896.7 903.1 905.1 903.6 905.1 DAY 19 5 27 1 1 1 19 29 19 16 24 21 MIN. QFE PRESSURE IN HPA 888.2 889.1 885.7 887.0 889.2 881.0 881.6 883.6 887.9 891.9 893.6 892.2 881.0 DAY 22 2 18 24 16 23 12 14 7 25 18 27 MEAN QNH PRESSURE IN HPA 1017.6 1019.0 1016.4 1015.9 1014.7 1008.0 1007.3 1009.1 1014.6 1019.7 1022.4 1019.8 1015.4 MAX. QNH PRESSURE IN HPA 1027.1 1026.2 1025.7 1020.4 1019.9 1015.8 1011.9 1015.5 1018.8 1025.9 1028.1 1026.4 1028.1 DAY 19 5 27 1 1 1 19 29 19 16 24 21 MIN. QNH PRESSURE IN HPA 1009.3 1010.3 1006.6 1008.0 1010.4 1001.3 1002.0 1004.2 1009.0 1013.4 1015.3 1013.8 1001.3 DAY 22 2 18 24 16 23 12 14 7 25 18 27 MEAN QFF PRESSURE IN HPA 1015.5 1017.4 1011.1 1009.3 1006.2 997.0 996.4 998.2 1005.1 1012.4 1017.4 1016.9 1008.6 MAX. QFF PRESSURE IN HPA 1028.8 1029.0 1024.6 1016.3 1013.9 1006.6 1002.4 1006.4 1011.3 1019.1 1024.4 1025.2 1029.0 DAY 19 6 27 8 1 1 19 28 20 30 24 21 MIN. QFF PRESSURE IN HPA 1005.1 1007.2 999.5 999.2 1001.1 990.4 989.6 991.8 998.4 1004.5 1009.4 1008.0 989.6 DAY 22 2 18 24 16 23 12 14 7 10 18 2 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1969 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 9.0 10.8 21.5 22.6 28.8 33.9 36.4 32.6 29.2 26.8 15.2 15.4 23.5 MINIMUN AIR TEMPERATURE (C) 3.6 4.8 15.3 16.4 20.9 24.6 27.3 24.0 20.2 18.7 7.4 7.7 15.9 DAYS WITH MINIMUM TEMP. >=21 0 0 1 1 17 27 31 31 15 4 0 0 127 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 10 7 0 0 0 0 0 0 0 0 0 0 17 TEMPERATURE RECORDS LOWEST(C) -3.0 -2.0 6.0 8.0 16.0 18.0 24.0 21.0 13.0 14.0 1.0 2.0 -3.0 DAY 2 4 26 17 14 3 1 20 15 31 20 16 MAXIMUM AIR TEMPERATURE (C) 16.8 18.4 29.5 30.5 35.9 39.5 41.9 37.6 35.1 33.1 21.4 21.9 30.1 DAYS WITH MAXIMUM TEMP. >=30 0 0 17 20 29 30 31 31 27 29 0 0 214 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 27.0 28.0 35.0 37.0 42.0 44.0 46.0 41.0 42.0 36.0 28.0 28.0 46.0 DAY 24 28 31 1 28 16 5 5 11 7 2 14 DIF. BETWEEN (MAX.-MIN.) (C) 13.2 13.6 14.2 14.1 15.0 14.9 14.6 13.6 14.9 14.4 14.0 14.2 14.2 MEAN DAILY TEMP. (MDT) (C) 10.2 11.6 22.4 23.5 28.4 32.0 34.6 30.8 27.6 25.9 14.4 14.8 23.0 COOLING DEG. DAYS(BASE 21 0C) 1.0 0.0 65.5 90.0 229.5 331.0 422.0 303.0 200.0 152.0 0.5 0.0 1794.5 HEATING DEG. DAYS(BASE 18 0C) 246.5 182.0 6.5 3.5 0.0 0.0 0.0 0.0 0.0 0.0 123.0 102.0 663.5 DEWPOINT (MEAN C) 0.6 2.4 5.4 3.7 6.5 4.9 8.9 7.2 6.8 5.2 0.8 -0.9 4.3 MIXING RATIO (G/KG) 4.68 5.40 6.47 5.84 7.16 6.35 8.63 7.38 7.18 6.38 4.99 4.13 6.22 VAPOUR PRESSURE (HPA) 6.69 7.72 9.20 8.30 10.13 8.97 12.09 10.42 10.19 9.09 7.14 5.93 8.82 SATURATION DEF. (HPA) 5.92 6.33 17.77 20.66 31.43 46.03 50.67 40.31 32.46 27.49 11.28 12.51 25.24 RELATIVE HUMIDITY (MEAN %) 58 59 37 31 27 17 20 22 25 26 40 35 33 RELATIVE HUMIDITY (MAX. %) 73 76 50 45 38 23 27 30 32 34 54 47 44 RELATIVE HUMIDITY (MIN. %) 43 43 25 21 18 13 16 16 20 19 30 26 24 RELATIVE HUMIDITY (MEAN% 03UTC) 65 70 44 34 32 21 24 27 31 30 51 41 39 RELATIVE HUMIDITY (MEAN% 09UTC) 47 48 27 24 20 14 17 17 21 21 30 27 26 RELATIVE HUMIDITY (MEAN% 15UTC) 53 51 33 27 26 17 19 21 27 29 44 40 32 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 3.5 16.0 0.5 4.2 5.2 0.0 0.0 0.0 0.0 0.2 4.0 0.0 33.6 DAYS WITH PRECIPITATION >=10 0 1 0 0 0 0 0 0 0 0 0 0 1 DAYS WITH PRECIPITATION >= 5 0 1 0 0 0 0 0 0 0 0 0 0 1 DAYS WITH PRECIPITATION >= 1 2 3 0 1 3 0 0 0 0 0 2 0 11 DAYS WITH PRECIPITATION 5 5 2 2 3 0 0 0 0 1 2 0 20 GREATEST DAILY PRECIPITATION 2.2 10.0 0.5 4.0 2.2 0.0 0.0 0.0 0.0 0.2 3.0 0.0 10.0 DAY 11 26 17 14 10 ** ** ** ** 18 5 ** DAY WITH THUNDER STORM 0 0 0 0 2 0 0 0 0 1 0 0 3 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 4 1 3 2 0 1 4 4 3 2 1 0 25 WIND DIRECTION (PREVAILING) 270 270 270 270 270 360 360 360 360 270 270 270 270 PREVAILING WIND SPEED(KNOTS) 4.5 4.1 5.4 6.0 4.7 6.7 5.7 6.6 6.4 6.1 4.4 4.6 5.1 PREVAILING WIND PERCENT 31.0 30.8 39.1 35.8 32.3 44.0 36.8 45.8 33.3 23.4 23.3 28.4 27.8 CALMS PERCENT OF WIND 17.3 6.7 8.1 7.1 4.6 6.0 4.5 3.2 6.7 5.1 16.7 23.9 9.2 NO. OF WIND OBSERVATION 248 224 248 240 195 150 155 155 150 158 150 155 2228 VECTOR WIND DIRECTION (MEAN) 286 307 284 280 325 348 350 348 349 323 345 301 327 VECTOR WIND MAGNITUDE(KNOTS) 1.6 1.1 2.4 2.4 2.5 3.4 3.0 3.8 3.1 1.5 1.0 0.8 2.0 WIND STEADINESES (MEAN %) 43.2 29.7 49.0 47.1 50.0 60.7 66.7 71.7 59.6 33.3 31.3 25.8 44.4 WIND SPEED (MEAN KNOTS) 3.7 3.7 4.9 5.1 5.0 5.6 4.5 5.3 5.2 4.5 3.2 3.1 4.5 FASTEST WIND DIRECTION 330 360 60 360 270 360 360 360 360 270 300 270 60 FASTEST WIND SPEED (KNOTS) 18 12 35 18 15 17 18 15 16 15 10 13 35 DAY 25 2 24 19 1 1 26 10 12 30 1 17 DAYS WITH SKY CLEAR (0-2)/8 17 16 16 17 19 30 27 30 29 27 23 26 277 DAYS WITH P.CLOUDY (3-6)/8 9 9 14 9 12 0 3 1 1 4 6 3 71 DAYS WITH CLOUDY (7-8)/8 5 3 1 4 0 0 1 0 0 0 1 2 17 DAYS WITH VISIBILITY =< 2 KM 0 0 1 0 0 0 0 0 1 0 0 0 2 DURATION OF SUNSHINE HOURS 208.5 214.3 249.0 243.1 314.2 354.2 347.3 339.5 317.1 289.6 242.4 265.8 3385.0 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1969 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 897.2 897.3 894.5 893.5 891.2 888.4 885.1 889.3 893.5 896.6 899.8 898.8 893.7 MAX. QFE PRESSURE IN HPA 905.4 907.6 901.5 898.3 899.2 896.3 890.0 896.0 902.3 901.0 908.0 904.2 908.0 DAY-HOUR 9- 6 3- 6 25- 6 15- 6 22- 6 3- 6 14- 6 31- 6 14- 6 15- 6 23- 6 11- 6 MIN. QFE PRESSURE IN HPA 885.5 890.0 887.1 886.2 885.3 881.5 880.8 882.8 886.2 889.1 891.2 890.3 880.8 DAY-HOUR 25- 6 14-12 21-12 17-12 29-15 22-15 22-15 8-12 11-12 28-12 9-12 14-12 MEAN QNH PRESSURE IN HPA 1019.3 1019.4 1016.3 1015.2 1012.7 1009.5 1005.9 1010.5 1015.2 1018.6 1022.2 1021.1 1015.5 MAX. QNH PRESSURE IN HPA 1028.4 1030.9 1024.1 1020.5 1021.5 1018.3 1011.3 1018.0 1025.0 1023.5 1031.3 1027.1 1031.3 DAY-HOUR 9- 6 3- 6 25- 6 15- 6 22- 6 3- 6 14- 6 31- 6 14- 6 15- 6 23- 6 11- 6 MIN. QNH PRESSURE IN HPA 1006.3 1011.3 1008.1 1007.1 1006.1 1001.9 1001.1 1003.3 1007.1 1010.3 1012.7 1011.7 1001.1 DAY-HOUR 25- 6 14-12 21-12 17-12 29-15 22-15 22-15 8-12 11-12 28-12 9-12 14-12 MEAN QFF PRESSURE IN HPA 1018.8 1018.1 1010.2 1008.6 1003.2 ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA 1031.2 1031.7 1021.3 1016.6 1013.6 ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR 9- 6 3- 6 25- 6 15- 6 22- 6 **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA 1001.6 1008.0 999.8 1000.5 996.1 ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR 25- 6 21-12 24- 0 13-12 28-12 **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 897.0 897.1 894.3 893.1 ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA 903.1 905.0 898.2 895.9 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 9 3 25 29 ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA 887.5 891.0 887.1 888.2 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 25 15 24 18 ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA 1019.1 1019.2 1016.1 1014.7 ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA 1025.9 1028.0 1020.4 1017.9 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 9 3 25 29 ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA 1008.6 1012.4 1008.1 1009.3 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 25 15 24 18 ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA 1018.1 1017.5 1009.6 1007.8 ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA 1027.6 1029.5 1017.5 1013.5 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 7 4 25 15 ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA 1002.6 1008.8 999.8 1001.1 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 25 22 24 18 ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 897.0 897.3 894.8 893.8 892.0 888.8 885.4 889.7 893.9 896.9 900.2 899.0 894.1 MAX. QFE PRESSURE IN HPA 903.3 905.6 899.8 896.6 897.1 894.9 889.1 895.0 901.2 899.8 906.6 902.7 906.6 DAY 9 3 25 15 18 3 14 31 14 5 24 20 MIN. QFE PRESSURE IN HPA 886.4 890.7 887.9 888.1 885.8 883.8 881.8 884.7 886.7 891.1 893.2 892.9 881.8 DAY 25 14 24 18 31 23 23 8 12 29 9 14 MEAN QNH PRESSURE IN HPA 1019.1 1019.4 1016.7 1015.5 1013.5 1010.0 1006.2 1011.0 1015.7 1019.0 1022.7 1021.3 1015.8 MAX. QNH PRESSURE IN HPA 1026.1 1028.6 1022.2 1018.7 1019.2 1016.8 1010.3 1016.9 1023.7 1022.2 1029.7 1025.4 1029.7 DAY 9 3 25 15 18 3 14 31 14 5 24 20 MIN. QNH PRESSURE IN HPA 1007.3 1012.1 1009.0 1009.2 1006.7 1004.4 1002.2 1005.4 1007.7 1012.5 1014.9 1014.5 1002.2 DAY 25 14 24 18 31 23 23 8 12 29 9 14 MEAN QFF PRESSURE IN HPA 1019.3 1018.9 1011.4 1009.8 1005.7 1000.6 995.5 1001.9 1008.4 1012.7 1021.6 1020.2 1010.5 MAX. QFF PRESSURE IN HPA 1029.1 1030.6 1020.1 1016.0 1012.5 1010.3 1001.2 1008.4 1018.9 1015.9 1030.7 1025.4 1030.7 DAY 9 4 25 15 13 3 14 31 14 26 24 12 MIN. QFF PRESSURE IN HPA 1002.4 1009.0 1001.5 1001.3 997.9 994.3 990.9 995.5 998.8 1005.5 1010.4 1012.4 990.9 DAY 25 22 24 18 20 23 23 7 12 29 9 14 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1969 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 898.5 898.7 896.3 895.2 893.1 889.8 886.4 890.6 894.9 898.1 901.4 900.5 895.3 MAX. QFE PRESSURE IN HPA 905.4 907.6 901.5 898.3 899.2 896.3 890.0 896.0 902.3 901.0 908.0 904.2 908.0 DAY 9 3 25 15 22 3 14 31 14 15 23 11 MIN. QFE PRESSURE IN HPA 885.5 891.6 890.5 889.6 887.1 884.6 883.4 884.8 888.5 892.4 894.2 893.9 883.4 DAY 25 14 24 17 2 23 23 8 12 29 9 14 MEAN QNH PRESSURE IN HPA 1020.7 1021.0 1018.3 1017.1 1014.8 1011.1 1007.3 1012.0 1016.8 1020.3 1024.0 1022.9 1017.2 MAX. QNH PRESSURE IN HPA 1028.4 1030.9 1024.1 1020.5 1021.5 1018.3 1011.3 1018.0 1025.0 1023.5 1031.3 1027.1 1031.3 DAY 9 3 25 15 22 3 14 31 14 15 23 11 MIN. QNH PRESSURE IN HPA 1006.3 1013.1 1011.9 1010.9 1008.1 1005.3 1004.0 1005.6 1009.7 1014.0 1016.0 1015.7 1004.0 DAY 25 14 24 17 2 23 23 8 12 29 9 14 MEAN QFF PRESSURE IN HPA 1020.7 1020.1 1012.3 1010.6 ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA 1031.2 1031.7 1021.3 1016.6 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 9 3 25 15 ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA 1001.6 1010.7 1004.4 1004.2 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 25 22 24 13 ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 897.5 897.9 895.1 894.1 892.1 888.9 885.7 889.7 893.8 896.8 899.8 898.9 894.2 MAX. QFE PRESSURE IN HPA 903.9 906.1 900.4 897.4 896.8 895.6 888.8 895.4 900.5 899.9 905.9 902.8 906.1 DAY 9 3 3 15 22 3 14 31 14 5 23 12 MIN. QFE PRESSURE IN HPA 886.7 891.1 890.6 888.0 886.3 884.0 883.3 884.1 888.4 891.3 892.6 892.1 883.3 DAY 25 14 21 17 2 23 18 8 11 29 9 14 MEAN QNH PRESSURE IN HPA 1019.7 1020.1 1017.0 1015.9 1013.6 1010.1 1006.5 1011.0 1015.6 1018.9 1022.2 1021.2 1016.0 MAX. QNH PRESSURE IN HPA 1026.7 1029.2 1022.9 1019.5 1018.9 1017.5 1010.0 1017.3 1023.0 1022.3 1029.0 1025.5 1029.2 DAY 9 3 3 15 22 3 14 31 14 5 23 12 MIN. QNH PRESSURE IN HPA 1007.7 1012.5 1012.0 1009.1 1007.2 1004.7 1003.9 1004.8 1009.6 1012.8 1014.2 1013.7 1003.9 DAY 25 14 21 17 2 23 18 8 11 29 9 14 MEAN QFF PRESSURE IN HPA 1018.5 1018.2 1010.2 1008.7 ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA 1028.5 1029.6 1019.4 1015.7 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 9 3 25 15 ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA 1002.0 1009.7 1005.0 1001.7 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 25 22 21 13 ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 896.2 896.2 893.1 892.4 890.5 887.4 884.3 888.2 892.2 895.2 898.5 897.5 892.6 MAX. QFE PRESSURE IN HPA 903.2 904.0 897.8 895.6 895.1 894.0 886.9 893.8 898.1 898.5 904.8 901.4 904.8 DAY 9 3 25 25 22 3 14 31 14 5 23 22 MIN. QFE PRESSURE IN HPA 887.0 890.0 887.1 886.2 885.7 882.4 882.0 882.8 886.2 889.1 891.2 890.3 882.0 DAY 25 14 21 17 2 22 23 8 11 28 9 14 MEAN QNH PRESSURE IN HPA 1018.2 1018.2 1014.7 1014.0 1011.8 1008.5 1004.9 1009.3 1013.8 1017.1 1020.7 1019.7 1014.3 MAX. QNH PRESSURE IN HPA 1026.0 1026.9 1020.0 1017.5 1017.0 1015.8 1007.9 1015.5 1020.3 1020.8 1027.7 1024.0 1027.7 DAY 9 3 25 25 22 3 14 31 14 5 23 22 MIN. QNH PRESSURE IN HPA 1008.0 1011.3 1008.1 1007.1 1006.6 1002.9 1002.5 1003.3 1007.1 1010.3 1012.7 1011.7 1002.5 DAY 25 14 21 17 2 22 23 8 11 28 9 14 MEAN QFF PRESSURE IN HPA 1017.1 1016.2 1008.2 1007.0 ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA 1028.2 1027.8 1016.7 1013.4 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 9 3 25 15 ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA 1002.4 1008.0 1000.1 1000.5 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 25 21 21 13 ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1969 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 896.5 896.4 893.4 892.5 890.3 887.0 883.8 888.2 892.4 895.7 899.0 898.1 892.8 MAX. QFE PRESSURE IN HPA 903.6 904.0 898.0 895.2 896.1 893.8 886.6 893.8 898.7 899.0 905.3 902.2 905.3 DAY 9 3 25 28 22 3 13 31 13 5 23 12 MIN. QFE PRESSURE IN HPA 888.1 890.1 887.5 886.6 885.3 881.5 880.8 882.9 886.2 889.8 892.3 891.0 880.8 DAY 25 14 21 17 29 22 22 7 11 29 9 14 MEAN QNH PRESSURE IN HPA 1018.6 1018.4 1015.1 1014.1 1011.6 1008.0 1004.5 1009.3 1014.0 1017.7 1021.3 1020.3 1014.4 MAX. QNH PRESSURE IN HPA 1026.4 1026.9 1020.2 1017.1 1018.1 1015.5 1007.6 1015.5 1021.0 1021.3 1028.3 1024.9 1028.3 DAY 9 3 25 28 22 3 13 31 13 5 23 12 MIN. QNH PRESSURE IN HPA 1009.2 1011.4 1008.6 1007.6 1006.1 1001.9 1001.1 1003.5 1007.1 1011.1 1013.9 1012.4 1001.1 DAY 25 14 21 17 29 22 22 7 11 29 9 14 MEAN QFF PRESSURE IN HPA 1018.8 1017.7 1009.7 1008.2 1003.6 998.5 993.7 1000.1 1006.6 1011.3 1020.1 1019.0 1009.0 MAX. QFF PRESSURE IN HPA 1029.8 1028.8 1018.5 1014.7 1011.3 1008.6 998.1 1007.0 1015.7 1015.9 1029.1 1025.7 1029.8 DAY 9 3 25 15 22 3 14 31 14 31 23 12 MIN. QFF PRESSURE IN HPA 1005.2 1009.3 1000.8 1001.2 996.9 991.9 989.4 993.1 998.2 1003.9 1009.2 1008.3 989.4 DAY 25 22 21 13 29 22 22 7 11 29 9 14 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 897.5 897.6 894.8 893.8 ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA 904.5 905.5 898.5 896.9 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 9 3 3 6 ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA 890.4 890.6 889.2 888.1 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 30 14 23 13 ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA 1019.7 1019.8 1016.6 1015.6 ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA 1027.4 1028.5 1020.8 1019.0 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 9 3 3 6 ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA 1011.8 1012.0 1010.4 1009.2 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 30 14 23 13 ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA 1019.7 1018.8 1010.6 1009.2 ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA 1030.1 1030.4 1018.5 1015.3 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 9 3 25 15 ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA 1007.7 1010.1 1003.0 1001.3 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 23 14 23 13 ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 897.2 897.3 894.6 893.2 ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA 904.2 905.8 898.6 895.9 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 9 3 24 28 ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA 888.7 890.6 888.6 888.2 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 30 14 23 17 ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA 1019.3 1019.4 1016.4 1014.9 ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA 1027.1 1028.9 1020.9 1017.9 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 9 3 24 28 ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA 1009.9 1012.0 1009.8 1009.3 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 30 14 23 17 ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA 1018.2 1017.5 1009.7 1007.8 ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA 1029.4 1030.2 1015.9 1013.1 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 9 3 25 14 ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA 1003.7 1009.9 1001.7 1000.9 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 24 14 23 17 ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1970 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 11.3 16.5 17.8 26.6 30.7 34.9 35.2 35.2 29.3 25.9 19.6 13.6 24.7 MINIMUN AIR TEMPERATURE (C) 4.7 8.4 10.3 17.9 21.7 25.3 26.7 26.5 21.0 17.0 11.5 5.7 16.4 DAYS WITH MINIMUM TEMP. >=21 0 0 0 2 19 30 31 31 19 5 0 0 137 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 3 1 0 0 0 0 0 0 0 0 0 5 9 TEMPERATURE RECORDS LOWEST(C) -3.0 0.0 4.0 14.0 16.0 23.0 23.0 21.0 14.0 9.0 9.0 -2.0 -3.0 DAY 30 1 8 27 5 6 10 24 21 25 24 19 MAXIMUM AIR TEMPERATURE (C) 17.0 22.5 23.5 33.3 37.4 41.0 41.1 41.5 34.9 32.5 25.4 18.9 30.7 DAYS WITH MAXIMUM TEMP. >=30 0 0 4 27 30 30 31 31 27 24 1 1 206 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 23.0 27.0 33.0 39.0 44.0 45.0 45.0 47.0 40.0 38.0 32.0 30.0 47.0 DAY 1 13 23 19 31 20 15 7 6 1 1 13 DIF. BETWEEN (MAX.-MIN.) (C) 12.3 14.1 13.2 15.4 15.7 15.7 14.4 15.0 13.9 15.5 13.9 13.2 14.3 MEAN DAILY TEMP. (MDT) (C) 10.8 15.4 16.9 25.6 29.5 33.2 33.9 34.0 28.0 24.7 18.5 12.3 23.6 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 7.0 137.5 265.0 365.5 399.5 403.0 209.0 133.0 2.0 0.0 1921.5 HEATING DEG. DAYS(BASE 18 0C) 222.0 77.5 70.5 0.0 0.0 0.0 0.0 0.0 0.0 3.5 10.5 186.0 570.0 DEWPOINT (MEAN C) 0.2 2.4 4.0 5.1 6.7 7.3 8.7 11.2 8.6 5.3 -0.4 -2.2 4.7 MIXING RATIO (G/KG) 4.46 5.23 5.87 6.33 7.24 7.54 8.36 10.07 8.15 6.66 4.30 3.89 6.51 VAPOUR PRESSURE (HPA) 6.38 7.46 8.36 9.01 10.24 10.62 11.72 14.07 11.51 9.48 6.16 5.57 9.22 SATURATION DEF. (HPA) 7.63 12.29 13.48 27.48 36.73 47.76 47.05 44.99 31.11 25.98 17.63 11.40 26.96 RELATIVE HUMIDITY (MEAN %) 50 41 45 27 25 20 21 26 29 28 27 35 31 RELATIVE HUMIDITY (MAX. %) 66 55 60 38 37 30 31 38 39 36 35 49 43 RELATIVE HUMIDITY (MIN. %) 38 31 35 19 17 13 15 18 22 22 22 26 23 RELATIVE HUMIDITY (MEAN% 03UTC) 63 55 59 36 33 27 30 32 35 34 29 42 40 RELATIVE HUMIDITY (MEAN% 09UTC) 41 32 38 20 18 14 16 19 23 22 23 27 24 RELATIVE HUMIDITY (MEAN% 15UTC) 52 42 43 27 27 17 19 23 26 28 35 43 32 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 21.0 4.0 44.4 2.2 23.3 0.0 0.0 29.0 5.0 0.0 0.0 2.3 131.2 DAYS WITH PRECIPITATION >=10 0 0 1 0 2 0 0 1 0 0 0 0 4 DAYS WITH PRECIPITATION >= 5 2 0 4 0 2 0 0 1 1 0 0 0 10 DAYS WITH PRECIPITATION >= 1 7 2 8 1 3 0 0 1 1 0 0 2 25 DAYS WITH PRECIPITATION 7 3 8 3 4 0 1 1 1 0 0 3 31 GREATEST DAILY PRECIPITATION 6.0 3.0 10.0 2.0 11.0 0.0 0.0 29.0 5.0 0.0 0.0 1.0 29.0 DAY 18 17 7 5 2 ** ** 24 13 ** ** 2 DAY WITH THUNDER STORM 1 0 1 1 4 0 0 0 0 0 1 0 8 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 0 0 0 6 1 3 3 5 8 0 0 1 27 WIND DIRECTION (PREVAILING) 270 270 270 270 45 360 360 360 360 270 45 270 270 PREVAILING WIND SPEED(KNOTS) 5.2 4.9 5.4 7.3 4.7 6.8 8.3 8.5 8.3 5.6 4.1 5.4 5.5 PREVAILING WIND PERCENT 22.6 15.0 14.2 19.5 27.1 25.3 41.3 20.6 26.7 23.2 26.4 36.1 18.8 CALMS PERCENT OF WIND 43.2 47.1 44.5 24.8 12.9 16.0 13.5 36.8 18.0 27.7 5.0 9.0 25.1 NO. OF WIND OBSERVATION 155 140 155 149 155 150 155 155 150 155 121 155 1795 VECTOR WIND DIRECTION (MEAN) 281 342 296 295 347 360 352 354 342 340 355 299 340 VECTOR WIND MAGNITUDE(KNOTS) 1.0 1.0 0.9 1.5 2.2 2.7 4.4 2.2 3.7 1.6 1.4 1.1 1.8 WIND STEADINESES (MEAN %) 40.0 38.5 31.0 34.9 47.8 56.3 71.0 55.0 72.5 41.0 32.6 23.9 43.9 WIND SPEED (MEAN KNOTS) 2.5 2.6 2.9 4.3 4.6 4.8 6.2 4.0 5.1 3.9 4.3 4.6 4.1 FASTEST WIND DIRECTION 260 360 360 270 330 360 360 360 360 30 270 270 360 FASTEST WIND SPEED (KNOTS) 15 12 12 18 15 15 15 25 15 16 12 16 25 DAY 27 7 21 24 22 27 6 14 25 16 1 15 DAYS WITH SKY CLEAR (0-2)/8 15 17 14 15 26 29 23 26 28 31 24 25 273 DAYS WITH P.CLOUDY (3-6)/8 11 10 9 11 5 1 8 5 2 0 1 5 68 DAYS WITH CLOUDY (7-8)/8 5 1 8 4 0 0 0 0 0 0 0 1 19 DAYS WITH VISIBILITY =< 2 KM 0 0 0 0 0 1 0 2 2 0 0 1 6 DURATION OF SUNSHINE HOURS 211.8 250.2 233.0 272.1 346.6 339.2 324.4 318.0 288.6 318.8 248.1 280.1 3430.9 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1970 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 897.2 896.1 895.0 894.7 891.1 886.9 885.2 885.3 890.8 895.7 898.4 897.7 892.8 MAX. QFE PRESSURE IN HPA 906.2 902.7 901.6 901.1 898.8 891.7 891.0 891.0 899.0 903.5 905.9 907.1 907.1 DAY-HOUR 3- 6 8- 6 26- 6 27- 6 23- 6 16- 6 9- 6 30- 6 22- 6 27- 6 15- 6 30- 6 MIN. QFE PRESSURE IN HPA 888.2 886.1 889.8 888.2 884.4 881.6 880.0 880.2 884.3 887.4 892.8 887.8 880.0 DAY-HOUR 22-15 23-15 23-12 19-15 30-15 9-15 1-15 7-15 1-15 8-12 30-12 14-12 MEAN QNH PRESSURE IN HPA 1019.3 1018.1 1016.9 1016.6 1012.6 1007.9 1006.0 1006.1 1012.3 1017.6 1020.7 1019.9 1014.5 MAX. QNH PRESSURE IN HPA 1029.3 1025.4 1024.2 1023.6 1021.1 1013.2 1012.4 1012.4 1021.3 1026.3 1029.0 1030.3 1030.3 DAY-HOUR 3- 6 8- 6 26- 6 27- 6 23- 6 16- 6 9- 6 30- 6 22- 6 27- 6 15- 6 30- 6 MIN. QNH PRESSURE IN HPA 1009.3 1007.0 1011.1 1009.3 1005.1 1002.0 1000.2 1000.5 1005.0 1008.4 1014.4 1008.9 1000.2 DAY-HOUR 22-15 23-15 23-12 19-15 30-15 9-15 1-15 7-15 1-15 8-12 30-12 14-12 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 897.3 896.2 895.2 895.3 891.7 887.5 885.7 885.8 891.4 896.3 899.3 898.2 893.3 MAX. QFE PRESSURE IN HPA 905.0 901.7 900.4 900.6 898.2 891.0 890.5 890.4 898.1 902.2 904.9 906.0 906.0 DAY 3 8 26 27 23 16 9 30 22 28 15 30 MIN. QFE PRESSURE IN HPA 889.2 889.6 891.0 888.7 886.6 884.0 882.0 881.8 886.1 888.7 895.3 891.4 881.8 DAY 28 24 6 20 30 9 6 7 1 9 30 15 MEAN QNH PRESSURE IN HPA 1019.5 1018.2 1017.1 1017.2 1013.3 1008.5 1006.6 1006.7 1012.9 1018.3 1021.7 1020.4 1015.0 MAX. QNH PRESSURE IN HPA 1028.0 1024.3 1022.9 1023.1 1020.4 1012.4 1011.9 1011.8 1020.3 1024.9 1027.9 1029.1 1029.1 DAY 3 8 26 27 23 16 9 30 22 28 15 30 MIN. QNH PRESSURE IN HPA 1010.4 1010.9 1012.4 1009.9 1007.6 1004.7 1002.5 1002.2 1007.0 1009.9 1017.2 1012.9 1002.2 DAY 28 24 6 20 30 9 6 7 1 9 30 15 MEAN QFF PRESSURE IN HPA 1019.4 1016.1 1014.1 1010.8 1005.3 998.6 996.3 996.4 1005.2 1012.7 1018.9 1020.0 1009.5 MAX. QFF PRESSURE IN HPA 1028.8 1024.2 1020.3 1018.7 1012.4 1003.7 1003.0 1001.4 1015.2 1022.1 1025.2 1030.6 1030.6 DAY 3 2 26 27 23 16 23 30 22 28 15 16 MIN. QFF PRESSURE IN HPA 1007.7 1007.7 1008.1 1000.4 997.5 994.3 991.4 991.0 997.7 1001.5 1014.3 1008.6 991.0 DAY 23 24 24 20 31 30 5 7 12 9 30 14 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1970 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 898.8 897.6 896.5 896.5 892.6 888.1 886.2 886.6 892.2 897.2 899.8 899.2 894.3 MAX. QFE PRESSURE IN HPA 906.2 902.7 901.6 901.1 898.8 891.7 891.0 891.0 899.0 903.5 905.9 907.1 907.1 DAY 3 8 26 27 23 16 9 30 22 27 15 30 MIN. QFE PRESSURE IN HPA 890.3 890.8 892.6 891.7 886.7 884.7 881.9 882.3 886.7 890.9 895.8 893.0 881.9 DAY 28 26 11 20 30 9 6 7 12 9 30 14 MEAN QNH PRESSURE IN HPA 1021.1 1019.7 1018.5 1018.5 1014.2 1009.2 1007.2 1007.5 1013.8 1019.3 1022.2 1021.5 1016.1 MAX. QNH PRESSURE IN HPA 1029.3 1025.4 1024.2 1023.6 1021.1 1013.2 1012.4 1012.4 1021.3 1026.3 1029.0 1030.3 1030.3 DAY 3 8 26 27 23 16 9 30 22 27 15 30 MIN. QNH PRESSURE IN HPA 1011.7 1012.2 1014.2 1013.2 1007.7 1005.4 1002.3 1002.8 1007.7 1012.3 1017.8 1014.7 1002.3 DAY 28 26 11 20 30 9 6 7 12 9 30 14 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 897.4 896.7 895.6 895.3 891.6 887.3 885.5 885.7 891.2 895.9 898.2 897.5 893.2 MAX. QFE PRESSURE IN HPA 904.1 902.2 900.2 899.9 897.9 891.1 890.3 889.7 897.6 901.8 904.0 905.2 905.2 DAY 3 4 26 27 23 16 22 30 22 27 15 30 MIN. QFE PRESSURE IN HPA 889.4 889.7 891.7 890.7 886.4 882.8 881.7 881.5 885.8 889.5 893.8 889.8 881.5 DAY 28 23 6 24 30 9 16 7 12 12 30 14 MEAN QNH PRESSURE IN HPA 1019.5 1018.8 1017.5 1017.2 1013.1 1008.4 1006.4 1006.6 1012.6 1017.9 1020.4 1019.6 1014.8 MAX. QNH PRESSURE IN HPA 1027.0 1024.9 1022.6 1022.3 1020.1 1012.5 1011.7 1011.0 1019.8 1024.4 1026.9 1028.2 1028.2 DAY 3 4 26 27 23 16 22 30 22 27 15 30 MIN. QNH PRESSURE IN HPA 1010.7 1011.0 1013.2 1012.1 1007.3 1003.3 1002.1 1001.9 1006.7 1010.8 1015.5 1011.1 1001.9 DAY 28 23 6 24 30 9 16 7 12 12 30 14 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 896.0 895.1 893.9 893.4 890.0 886.1 884.4 884.3 889.7 894.4 897.2 896.4 891.7 MAX. QFE PRESSURE IN HPA 902.3 900.0 898.3 897.7 895.3 889.9 888.9 887.6 895.6 900.6 902.7 903.8 903.8 DAY 3 4 26 27 23 16 22 30 22 27 14 30 MIN. QFE PRESSURE IN HPA 888.6 886.7 889.8 888.5 884.9 882.2 880.8 880.8 884.6 887.4 892.8 887.8 880.8 DAY 12 23 23 19 30 9 1 7 1 8 30 14 MEAN QNH PRESSURE IN HPA 1018.0 1016.9 1015.7 1015.1 1011.4 1007.0 1005.2 1004.9 1011.0 1016.2 1019.3 1018.5 1013.3 MAX. QNH PRESSURE IN HPA 1025.0 1022.4 1020.5 1019.9 1017.2 1011.2 1010.1 1008.7 1017.5 1023.1 1025.4 1026.6 1026.6 DAY 3 4 26 27 23 16 22 30 22 27 14 30 MIN. QNH PRESSURE IN HPA 1009.8 1007.7 1011.1 1009.7 1005.7 1002.7 1001.1 1001.1 1005.3 1008.4 1014.4 1008.9 1001.1 DAY 12 23 23 19 30 9 1 7 1 8 30 14 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1970 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 896.4 895.3 893.9 893.2 889.6 885.6 884.1 884.1 889.8 894.8 897.7 897.4 891.8 MAX. QFE PRESSURE IN HPA 903.8 900.5 898.2 897.6 894.8 889.4 888.5 887.9 896.1 901.0 903.4 904.5 904.5 DAY 2 3 26 27 23 16 22 23 22 27 15 30 MIN. QFE PRESSURE IN HPA 888.2 886.1 890.3 888.2 884.4 881.6 880.0 880.2 884.3 887.5 892.9 888.5 880.0 DAY 22 23 23 19 30 9 1 7 1 8 30 14 MEAN QNH PRESSURE IN HPA 1018.5 1017.2 1015.7 1014.9 1010.9 1006.4 1004.7 1004.8 1011.1 1016.6 1019.9 1019.5 1013.3 MAX. QNH PRESSURE IN HPA 1026.6 1023.0 1020.4 1019.8 1016.7 1010.7 1009.7 1009.0 1018.1 1023.5 1026.2 1027.4 1027.4 DAY 2 3 26 27 23 16 22 23 22 27 15 30 MIN. QNH PRESSURE IN HPA 1009.3 1007.0 1011.7 1009.3 1005.1 1002.0 1000.2 1000.5 1005.0 1008.6 1014.5 1009.7 1000.2 DAY 22 23 23 19 30 9 1 7 1 8 30 14 MEAN QFF PRESSURE IN HPA 1018.5 1014.9 1012.7 1008.4 1002.7 996.4 994.4 994.4 1003.3 1010.9 1017.0 1019.1 1007.7 MAX. QFF PRESSURE IN HPA 1026.4 1022.4 1018.3 1015.1 1008.9 1001.7 1000.3 999.6 1012.6 1020.7 1024.1 1029.3 1029.3 DAY 3 1 9 27 10 16 22 23 21 27 15 16 MIN. QFF PRESSURE IN HPA 1007.6 1004.2 1005.2 1001.1 995.1 992.1 989.1 989.1 995.7 1000.6 1011.7 1004.9 989.1 DAY 22 23 23 19 31 30 1 7 1 8 30 14 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1971 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 10.6 14.4 20.4 25.0 31.7 35.3 33.9 34.1 27.7 24.7 18.9 14.9 24.3 MINIMUN AIR TEMPERATURE (C) 3.4 7.2 12.2 17.0 23.3 27.1 26.2 26.0 19.2 15.6 11.8 7.8 16.4 DAYS WITH MINIMUM TEMP. >=21 0 0 1 3 24 30 31 31 10 1 0 0 131 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 7 1 0 0 0 0 0 0 0 0 0 3 11 TEMPERATURE RECORDS LOWEST(C) -2.0 -3.0 6.0 11.0 18.0 24.0 22.0 24.0 14.0 12.0 9.0 -2.0 -3.0 DAY 26 3 4 27 1 2 4 14 21 20 10 24 MAXIMUM AIR TEMPERATURE (C) 15.5 19.5 25.3 29.5 36.2 39.5 37.7 38.1 31.9 29.9 24.1 20.1 29.0 DAYS WITH MAXIMUM TEMP. >=30 0 0 7 13 31 30 31 31 21 17 0 0 181 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 21.0 27.0 33.0 36.0 42.0 42.0 41.0 41.0 40.0 36.0 29.0 25.0 42.0 DAY 5 23 29 25 28 3 10 5 3 9 5 10 DIF. BETWEEN (MAX.-MIN.) (C) 12.1 12.3 13.1 12.5 12.9 12.4 11.5 12.1 12.7 14.3 12.3 12.3 12.6 MEAN DAILY TEMP. (MDT) (C) 9.5 13.4 18.8 23.3 29.8 33.3 31.9 32.0 25.5 22.8 18.0 14.0 22.7 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 27.0 77.0 272.0 369.5 338.5 341.5 135.5 67.0 1.5 0.0 1629.5 HEATING DEG. DAYS(BASE 18 0C) 264.5 134.0 45.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 22.0 126.0 592.0 DEWPOINT (MEAN C) -6.0 -2.4 -2.3 2.8 8.1 6.2 4.3 4.5 -1.4 -0.4 2.0 -2.0 1.1 MIXING RATIO (G/KG) 2.92 3.79 3.94 5.49 7.77 6.99 6.06 6.24 4.12 4.37 5.02 3.86 5.05 VAPOUR PRESSURE (HPA) 4.20 5.40 5.63 7.79 10.96 9.81 8.53 8.79 5.87 6.24 7.18 5.52 7.16 SATURATION DEF. (HPA) 9.24 12.11 19.75 25.00 37.38 48.74 45.38 45.97 32.98 26.39 15.41 12.35 27.56 RELATIVE HUMIDITY (MEAN %) 33 36 26 27 24 17 16 16 16 20 34 33 25 RELATIVE HUMIDITY (MAX. %) 45 53 39 40 33 23 21 23 20 25 44 44 34 RELATIVE HUMIDITY (MIN. %) 24 24 18 19 20 14 13 13 12 16 27 26 19 RELATIVE HUMIDITY (MEAN% 03UTC) 39 50 39 39 32 21 20 20 20 22 42 43 32 RELATIVE HUMIDITY (MEAN% 09UTC) 27 28 20 22 20 15 15 14 14 17 28 28 21 RELATIVE HUMIDITY (MEAN% 15UTC) 39 35 23 24 23 16 15 16 15 22 35 34 25 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 6.0 15.3 4.6 8.2 0.4 0.0 0.0 0.0 0.0 0.0 3.0 0.0 37.5 DAYS WITH PRECIPITATION >=10 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH PRECIPITATION >= 5 1 2 0 1 0 0 0 0 0 0 0 0 4 DAYS WITH PRECIPITATION >= 1 2 3 2 1 0 0 0 0 0 0 1 0 9 DAYS WITH PRECIPITATION 2 4 5 3 3 0 0 0 0 0 1 0 18 GREATEST DAILY PRECIPITATION 5.0 8.0 3.0 8.0 0.4 0.0 0.0 0.0 0.0 0.0 3.0 0.0 8.0 DAY 24 14 24 12 11 ** ** ** ** ** 9 ** DAY WITH THUNDER STORM 0 0 1 1 0 0 0 0 0 0 0 0 2 DAYS WITH SNOW OR SLEET 0 1 0 0 0 0 0 0 0 0 0 0 1 DAYS WITH DUST 0 2 3 3 3 3 7 3 3 0 1 1 29 WIND DIRECTION (PREVAILING) 270 270 270 270 45 45 45 45 45 45 270 270 270 PREVAILING WIND SPEED(KNOTS) 4.9 5.6 6.1 7.5 5.7 5.7 7.7 5.6 6.3 5.0 5.2 5.4 6.1 PREVAILING WIND PERCENT 27.7 32.1 27.7 30.7 23.9 32.0 36.1 35.5 26.7 29.0 27.3 25.8 24.7 CALMS PERCENT OF WIND 4.5 10.0 8.4 4.0 7.7 4.0 1.9 3.2 1.3 2.6 19.3 28.4 7.9 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 353 258 316 281 340 357 5 5 347 353 333 312 343 VECTOR WIND MAGNITUDE(KNOTS) 1.2 1.4 1.8 2.3 2.1 2.5 5.2 3.6 4.4 1.7 1.0 0.5 2.0 WIND STEADINESES (MEAN %) 27.9 26.4 36.0 38.3 36.2 43.1 72.2 60.0 64.7 33.3 26.3 14.7 37.0 WIND SPEED (MEAN KNOTS) 4.3 5.3 5.0 6.0 5.8 5.8 7.2 6.0 6.8 5.1 3.8 3.4 5.4 FASTEST WIND DIRECTION 60 240 330 230 270 270 30 360 360 330 270 300 240 FASTEST WIND SPEED (KNOTS) 15 20 15 20 20 15 20 15 18 12 10 15 20 DAY 10 13 1 7 16 29 3 8 10 11 11 31 DAYS WITH SKY CLEAR (0-2)/8 23 19 18 13 20 28 27 28 30 31 21 19 277 DAYS WITH P.CLOUDY (3-6)/8 5 7 10 14 10 2 4 3 0 0 7 11 73 DAYS WITH CLOUDY (7-8)/8 3 2 3 3 1 0 0 0 0 0 2 1 15 DAYS WITH VISIBILITY =< 2 KM 0 1 0 0 0 0 0 0 0 0 0 0 1 DURATION OF SUNSHINE HOURS 250.9 219.5 257.0 239.7 291.6 317.7 307.6 319.8 316.6 317.9 242.8 248.5 3329.6 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1971 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 898.3 893.4 895.2 891.7 889.2 883.6 885.0 886.0 892.6 896.3 898.1 895.8 892.1 MAX. QFE PRESSURE IN HPA 908.0 900.9 901.9 898.4 894.5 889.1 890.5 890.2 898.4 901.5 905.4 903.7 908.0 DAY-HOUR 4- 6 4- 9 17- 6 21- 6 1- 6 1- 6 26- 3 21- 6 24- 6 11- 6 20- 6 11- 6 MIN. QFE PRESSURE IN HPA 888.4 884.2 885.4 886.2 883.1 876.7 881.2 881.7 885.5 889.5 891.5 886.0 876.7 DAY-HOUR 14-12 14- 3 20-12 26- 3 29-15 5-15 23-15 9-12 2-15 1-12 11-12 20-12 MEAN QNH PRESSURE IN HPA 1020.5 1015.1 1017.1 1013.2 1010.5 1004.3 1005.8 1006.9 1014.2 1018.3 1020.3 1017.7 1013.7 MAX. QNH PRESSURE IN HPA 1031.3 1023.4 1024.5 1020.6 1016.3 1010.3 1011.9 1011.6 1020.6 1024.1 1028.4 1026.5 1031.3 DAY-HOUR 4- 6 4- 9 17- 6 21- 6 1- 6 1- 6 26- 3 21- 6 24- 6 11- 6 20- 6 11- 6 MIN. QNH PRESSURE IN HPA 1009.6 1004.9 1006.2 1007.1 1003.7 996.6 1001.6 1002.1 1006.3 1010.8 1013.0 1006.9 996.6 DAY-HOUR 14-12 14- 3 20-12 26- 3 29-15 5-15 23-15 9-12 2-15 1-12 11-12 20-12 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 898.8 893.7 895.7 892.2 890.0 884.4 885.7 886.7 893.2 896.9 898.7 896.3 892.7 MAX. QFE PRESSURE IN HPA 906.8 899.9 901.1 897.3 893.8 888.8 890.5 889.0 897.6 900.5 904.9 903.2 906.8 DAY 4 4 17 21 1 1 26 21 24 22 21 12 MIN. QFE PRESSURE IN HPA 888.8 884.2 887.3 886.2 885.4 880.2 882.3 883.2 887.5 891.7 893.6 887.6 880.2 DAY 14 14 21 26 11 5 23 9 2 1 11 20 MEAN QNH PRESSURE IN HPA 1021.1 1015.4 1017.7 1013.8 1011.3 1005.1 1006.6 1007.6 1014.9 1019.0 1020.9 1018.3 1014.3 MAX. QNH PRESSURE IN HPA 1030.0 1022.3 1023.6 1019.4 1015.5 1010.0 1011.9 1010.2 1019.8 1023.0 1027.9 1026.0 1030.0 DAY 4 4 17 21 1 1 26 21 24 22 21 12 MIN. QNH PRESSURE IN HPA 1010.0 1004.9 1008.3 1007.1 1006.2 1000.5 1002.8 1003.8 1008.6 1013.2 1015.3 1008.7 1000.5 DAY 14 14 21 26 11 5 23 9 2 1 11 20 MEAN QFF PRESSURE IN HPA 1021.7 1014.0 1013.7 1007.7 1002.4 994.7 996.6 997.8 1008.0 1013.8 1017.8 1016.7 1008.7 MAX. QFF PRESSURE IN HPA 1030.0 1025.8 1020.3 1014.6 1008.6 999.7 1002.2 1000.6 1014.0 1019.0 1025.2 1025.2 1030.0 DAY 4 3 4 21 1 9 26 15 24 22 21 12 MIN. QFF PRESSURE IN HPA 1007.5 1000.1 1001.5 998.5 996.2 989.2 991.4 994.1 998.9 1005.6 1011.4 1005.7 989.2 DAY 14 14 21 26 30 29 1 9 2 7 11 20 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1971 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 899.9 894.7 896.7 893.1 890.7 884.8 886.1 887.2 893.9 897.8 899.6 897.3 893.5 MAX. QFE PRESSURE IN HPA 908.0 900.8 901.9 898.4 894.5 889.1 890.4 890.2 898.4 901.5 905.4 903.7 908.0 DAY 4 4 17 21 1 1 26 21 24 11 20 11 MIN. QFE PRESSURE IN HPA 890.8 888.6 888.9 888.1 886.2 880.5 883.0 883.4 888.2 892.3 894.5 888.1 880.5 DAY 14 14 21 7 11 5 23 9 2 1 8 20 MEAN QNH PRESSURE IN HPA 1022.4 1016.5 1018.7 1014.8 1012.1 1005.6 1007.0 1008.2 1015.7 1019.9 1021.9 1019.4 1015.2 MAX. QNH PRESSURE IN HPA 1031.3 1023.3 1024.5 1020.6 1016.3 1010.3 1011.8 1011.6 1020.6 1024.1 1028.4 1026.5 1031.3 DAY 4 4 17 21 1 1 26 21 24 11 20 11 MIN. QNH PRESSURE IN HPA 1012.2 1009.8 1010.1 1009.2 1007.1 1000.8 1003.6 1004.0 1009.3 1013.9 1016.3 1009.2 1000.8 DAY 14 14 21 7 11 5 23 9 2 1 8 20 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 898.0 893.7 895.7 892.1 889.8 884.1 885.4 886.4 893.1 896.5 898.1 895.9 892.4 MAX. QFE PRESSURE IN HPA 905.5 900.9 899.9 897.0 893.7 888.7 889.7 889.3 897.5 900.5 904.1 902.3 905.5 DAY 4 4 17 28 5 1 26 21 23 11 20 11 MIN. QFE PRESSURE IN HPA 889.5 887.2 888.1 888.2 885.1 879.3 882.0 883.2 887.2 891.2 893.3 887.1 879.3 DAY 14 8 21 26 11 5 23 9 2 1 11 20 MEAN QNH PRESSURE IN HPA 1020.2 1015.5 1017.7 1013.7 1011.1 1004.8 1006.3 1007.4 1014.8 1018.6 1020.4 1017.9 1014.0 MAX. QNH PRESSURE IN HPA 1028.5 1023.4 1022.3 1019.1 1015.4 1009.9 1011.0 1010.6 1019.6 1023.0 1027.0 1025.0 1028.5 DAY 4 4 17 28 5 1 26 21 23 11 20 11 MIN. QNH PRESSURE IN HPA 1010.8 1008.2 1009.2 1009.3 1005.9 999.5 1002.5 1003.8 1008.2 1012.7 1015.0 1008.1 999.5 DAY 14 8 21 26 11 5 23 9 2 1 11 20 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 897.0 892.3 893.8 890.5 888.0 882.6 884.1 885.0 891.4 895.0 896.8 894.5 890.9 MAX. QFE PRESSURE IN HPA 904.6 898.9 897.8 895.4 891.9 886.8 888.1 887.8 895.5 898.9 902.9 900.9 904.6 DAY 4 4 2 28 3 9 25 21 23 22 20 11 MIN. QFE PRESSURE IN HPA 888.4 886.8 885.4 887.1 883.6 876.9 881.4 881.7 885.7 889.5 891.5 886.0 876.9 DAY 14 13 20 25 27 5 23 9 2 1 11 20 MEAN QNH PRESSURE IN HPA 1019.1 1013.8 1015.5 1011.9 1009.1 1003.1 1004.7 1005.8 1012.9 1016.9 1018.8 1016.3 1012.3 MAX. QNH PRESSURE IN HPA 1027.5 1021.2 1020.0 1017.3 1013.4 1007.8 1009.2 1008.9 1017.4 1021.2 1025.6 1023.4 1027.5 DAY 4 4 2 28 3 9 25 21 23 22 20 11 MIN. QNH PRESSURE IN HPA 1009.6 1007.8 1006.2 1008.1 1004.2 996.8 1001.8 1002.1 1006.6 1010.8 1013.0 1006.9 996.8 DAY 14 13 20 25 27 5 23 9 2 1 11 20 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1971 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 897.8 892.7 894.1 890.7 887.8 882.3 883.8 884.8 891.5 895.3 897.2 895.0 891.1 MAX. QFE PRESSURE IN HPA 905.1 899.2 897.9 894.9 892.0 886.6 887.7 887.4 896.0 899.0 903.4 901.4 905.1 DAY 4 4 3 28 1 9 25 21 23 14 20 11 MIN. QFE PRESSURE IN HPA 889.1 886.8 885.7 887.5 883.1 876.7 881.2 881.7 885.5 889.8 892.4 886.3 876.7 DAY 13 13 20 15 29 5 23 9 2 1 8 20 MEAN QNH PRESSURE IN HPA 1020.0 1014.3 1015.8 1012.1 1008.9 1002.8 1004.5 1005.5 1013.0 1017.3 1019.4 1016.8 1012.5 MAX. QNH PRESSURE IN HPA 1028.1 1021.5 1020.1 1016.8 1013.5 1007.6 1008.8 1008.4 1018.0 1021.3 1026.2 1024.0 1028.1 DAY 4 4 3 28 1 9 25 21 23 14 20 11 MIN. QNH PRESSURE IN HPA 1010.3 1007.8 1006.6 1008.6 1003.7 996.6 1001.6 1002.1 1006.3 1011.1 1014.0 1007.2 996.6 DAY 13 13 20 15 29 5 23 9 2 1 8 20 MEAN QFF PRESSURE IN HPA 1020.5 1012.8 1011.8 1005.9 999.8 992.2 994.5 995.6 1006.1 1011.9 1016.2 1015.2 1006.9 MAX. QFF PRESSURE IN HPA 1027.6 1023.8 1018.7 1012.0 1006.6 997.8 999.1 999.0 1012.6 1017.4 1023.4 1024.1 1027.6 DAY 4 3 3 27 1 9 25 21 23 22 20 31 MIN. QFF PRESSURE IN HPA 1006.7 1004.2 1000.3 1000.5 992.5 985.8 991.3 992.6 996.7 1004.6 1009.7 1004.1 985.8 DAY 14 13 20 25 29 5 1 9 2 6 5 20 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1972 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 9.3 8.3 18.3 23.9 28.0 35.1 34.4 31.1 30.0 25.7 19.9 10.1 22.8 MINIMUN AIR TEMPERATURE (C) 2.8 1.4 11.1 16.6 20.1 26.4 26.5 23.1 21.7 16.9 12.1 3.1 15.1 DAYS WITH MINIMUM TEMP. >=21 0 0 0 3 12 30 31 23 20 0 0 0 119 DAYS WITH MINIMUM TEMP. <=-4 0 6 0 0 0 0 0 0 0 0 0 3 9 DAYS WITH FREEZING MIN.<= 0 10 15 0 0 0 0 0 0 0 0 0 8 33 TEMPERATURE RECORDS LOWEST(C) -2.0 -5.0 4.0 12.0 16.0 22.0 23.0 17.0 16.0 14.0 7.0 -7.0 -7.0 DAY 6 5 4 4 5 2 12 28 20 26 23 26 MAXIMUM AIR TEMPERATURE (C) 13.8 13.1 22.9 28.5 32.3 39.1 38.2 35.1 34.6 30.9 25.2 15.3 27.4 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 15 26 30 31 31 27 28 5 0 193 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 23.0 28.0 29.0 33.0 39.0 44.0 44.0 40.0 40.0 33.0 32.0 27.0 44.0 DAY 14 18 25 11 19 24 5 1 10 1 4 1 DIF. BETWEEN (MAX.-MIN.) (C) 11.0 11.7 11.8 11.9 12.2 12.7 11.7 12.0 12.9 14.0 13.1 12.2 12.3 MEAN DAILY TEMP. (MDT) (C) 8.3 7.3 17.0 22.5 26.2 32.8 32.4 29.1 28.1 23.9 18.6 9.2 21.3 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 4.5 60.5 160.0 353.0 352.0 252.0 214.0 90.5 12.0 0.0 1498.5 HEATING DEG. DAYS(BASE 18 0C) 300.0 316.0 56.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 27.0 277.5 976.5 DEWPOINT (MEAN C) -2.1 -5.9 2.3 3.4 3.9 7.4 5.0 3.3 3.7 -0.1 1.0 -4.7 1.4 MIXING RATIO (G/KG) 3.83 2.95 5.27 5.66 5.83 7.50 6.45 5.68 5.92 4.41 4.71 3.27 5.12 VAPOUR PRESSURE (HPA) 5.48 4.23 7.50 8.04 8.26 10.55 9.07 8.03 8.41 6.31 6.74 4.70 7.28 SATURATION DEF. (HPA) 6.96 7.93 14.44 22.60 30.69 47.41 46.60 38.47 35.74 27.69 17.57 8.71 25.40 RELATIVE HUMIDITY (MEAN %) 47 41 38 29 22 19 17 18 20 19 29 37 28 RELATIVE HUMIDITY (MAX. %) 61 61 54 42 30 24 22 23 25 25 39 51 38 RELATIVE HUMIDITY (MIN. %) 36 28 28 21 18 15 13 14 15 15 24 26 21 RELATIVE HUMIDITY (MEAN% 03UTC) 60 59 53 40 29 23 22 21 23 23 37 50 37 RELATIVE HUMIDITY (MEAN% 09UTC) 39 32 31 23 19 16 15 16 16 16 25 30 23 RELATIVE HUMIDITY (MEAN% 15UTC) 50 39 37 29 22 19 15 17 21 21 30 40 28 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 7.7 6.0 16.0 15.7 0.5 0.0 0.0 0.0 0.0 0.0 0.1 2.0 48.0 DAYS WITH PRECIPITATION >=10 0 0 1 0 0 0 0 0 0 0 0 0 1 DAYS WITH PRECIPITATION >= 5 0 1 1 1 0 0 0 0 0 0 0 0 3 DAYS WITH PRECIPITATION >= 1 4 1 4 4 0 0 0 0 0 0 0 2 15 DAYS WITH PRECIPITATION 5 4 6 5 1 0 0 0 0 0 1 2 24 GREATEST DAILY PRECIPITATION 3.0 5.0 10.2 8.4 0.5 0.0 0.0 0.0 0.0 0.0 0.1 1.0 10.2 DAY 15 20 11 26 13 ** ** ** ** ** 21 7 DAY WITH THUNDER STORM 0 0 0 3 1 0 0 0 0 0 0 0 4 DAYS WITH SNOW OR SLEET 0 2 0 0 0 0 0 0 0 0 0 1 3 DAYS WITH DUST 3 0 2 0 7 3 4 1 1 0 0 1 22 WIND DIRECTION (PREVAILING) 270 270 270 270 270 45 360 45 45 270 270 90 270 PREVAILING WIND SPEED(KNOTS) 5.9 6.0 7.9 5.9 6.5 6.3 8.9 6.3 6.2 5.3 4.5 5.1 5.8 PREVAILING WIND PERCENT 12.3 13.1 20.6 20.0 22.6 20.7 25.2 28.4 20.7 25.8 16.7 17.4 16.6 CALMS PERCENT OF WIND 59.4 41.4 43.2 32.7 29.7 44.7 18.7 11.0 38.0 44.5 58.0 45.2 38.8 NO. OF WIND OBSERVATION 155 145 155 150 155 150 155 155 150 155 150 155 1830 VECTOR WIND DIRECTION (MEAN) 306 351 274 318 331 12 5 3 2 325 329 48 350 VECTOR WIND MAGNITUDE(KNOTS) 0.6 0.6 1.5 0.9 1.6 1.7 3.8 3.4 1.9 1.2 0.5 0.9 1.4 WIND STEADINESES (MEAN %) 25.0 18.8 35.7 23.1 34.8 50.0 66.7 56.7 51.4 40.0 25.0 32.1 37.8 WIND SPEED (MEAN KNOTS) 2.4 3.2 4.2 3.9 4.6 3.4 5.7 6.0 3.7 3.0 2.0 2.8 3.7 FASTEST WIND DIRECTION 360 270 210 300 240 60 350 350 360 60 290 250 210 FASTEST WIND SPEED (KNOTS) 18 12 20 12 20 12 15 17 12 12 8 15 20 DAY 20 9 18 12 7 16 22 5 4 1 6 6 DAYS WITH SKY CLEAR (0-2)/8 17 16 12 9 21 28 29 28 28 30 24 20 262 DAYS WITH P.CLOUDY (3-6)/8 9 9 12 18 8 2 2 3 2 1 6 10 82 DAYS WITH CLOUDY (7-8)/8 5 4 7 3 2 0 0 0 0 0 0 1 22 DAYS WITH VISIBILITY =< 2 KM 0 0 0 0 0 0 0 0 0 0 0 0 0 DURATION OF SUNSHINE HOURS 201.8 211.8 214.7 239.3 276.2 333.1 355.8 338.3 297.3 297.8 272.9 255.0 3294.0 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1972 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 896.6 897.0 893.4 892.3 890.5 887.1 885.3 889.2 892.6 897.3 897.1 898.1 893.0 MAX. QFE PRESSURE IN HPA 906.9 905.6 900.9 899.0 899.1 895.2 889.8 894.2 898.2 904.0 903.2 908.0 908.0 DAY-HOUR 5- 6 25- 6 29- 6 8- 6 25- 6 1- 6 25- 6 27- 6 22- 6 26- 6 24- 6 28- 6 MIN. QFE PRESSURE IN HPA 887.9 887.0 884.9 886.1 883.5 878.7 879.2 879.7 885.0 893.1 891.3 890.1 878.7 DAY-HOUR 29-15 9-12 2-12 25-12 3-15 24-12 3-15 1-12 11-15 17-12 8-12 17-12 MEAN QNH PRESSURE IN HPA 1018.6 1019.1 1015.1 1013.9 1011.9 1008.1 1006.1 1010.5 1014.2 1019.4 1019.2 1020.3 1014.7 MAX. QNH PRESSURE IN HPA 1030.1 1028.6 1023.4 1021.3 1021.4 1017.1 1011.1 1016.0 1020.4 1026.9 1026.0 1031.3 1031.3 DAY-HOUR 5- 6 25- 6 29- 6 8- 6 25- 6 1- 6 25- 6 27- 6 22- 6 26- 6 24- 6 28- 6 MIN. QNH PRESSURE IN HPA 1009.0 1008.0 1005.7 1007.0 1004.1 998.8 999.3 999.9 1005.8 1014.8 1012.8 1011.4 998.8 DAY-HOUR 29-15 9-12 2-12 25-12 3-15 24-12 3-15 1-12 11-15 17-12 8-12 17-12 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 897.1 897.6 893.9 892.9 891.3 888.0 885.9 890.0 893.3 898.0 897.9 898.8 893.7 MAX. QFE PRESSURE IN HPA 905.6 904.8 900.2 897.4 898.7 895.0 889.4 893.6 898.0 903.5 902.6 907.1 907.1 DAY 5 25 16 8 24 1 25 27 23 26 24 27 MIN. QFE PRESSURE IN HPA 890.1 890.6 886.2 886.4 886.0 880.7 881.3 881.8 888.0 894.7 893.1 891.9 880.7 DAY 30 9 18 25 3 25 6 1 12 17 8 17 MEAN QNH PRESSURE IN HPA 1019.2 1019.8 1015.6 1014.5 1012.8 1009.1 1006.8 1011.3 1015.0 1020.2 1020.1 1021.1 1015.5 MAX. QNH PRESSURE IN HPA 1028.6 1027.7 1022.6 1019.5 1021.0 1016.9 1010.7 1015.3 1020.2 1026.3 1025.3 1030.3 1030.3 DAY 5 25 16 8 24 1 25 27 23 26 24 27 MIN. QNH PRESSURE IN HPA 1011.4 1012.0 1007.1 1007.3 1006.9 1001.0 1001.7 1002.2 1009.1 1016.5 1014.8 1013.4 1001.0 DAY 30 9 18 25 3 25 6 1 12 17 8 17 MEAN QFF PRESSURE IN HPA 1020.1 1021.3 1012.2 1008.8 1005.3 998.7 996.5 1002.6 1007.2 1014.5 1016.8 1022.0 1010.5 MAX. QFF PRESSURE IN HPA 1030.9 1032.8 1020.3 1015.0 1014.9 1007.7 1001.0 1009.0 1014.2 1021.8 1024.7 1036.2 1036.2 DAY 9 25 4 8 24 1 26 27 23 26 24 27 MIN. QFF PRESSURE IN HPA 1010.3 1008.6 1003.4 1000.3 997.7 988.4 989.6 991.4 999.0 1010.5 1008.3 1011.9 988.4 DAY 19 9 18 25 3 25 5 1 12 17 8 17 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1972 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 898.1 898.5 894.8 893.7 891.8 888.3 886.3 890.4 893.8 898.6 898.6 899.6 894.4 MAX. QFE PRESSURE IN HPA 906.9 905.6 900.9 899.0 899.1 895.2 889.8 894.2 898.2 904.0 903.2 908.0 908.0 DAY 5 25 29 8 25 1 25 27 22 26 24 28 MIN. QFE PRESSURE IN HPA 891.6 890.6 886.4 887.5 886.6 881.3 881.5 882.1 888.6 895.4 894.1 892.7 881.3 DAY 23 20 18 25 3 25 5 1 11 17 8 17 MEAN QNH PRESSURE IN HPA 1020.3 1020.8 1016.6 1015.5 1013.4 1009.5 1007.2 1011.8 1015.6 1020.9 1020.9 1022.0 1016.2 MAX. QNH PRESSURE IN HPA 1030.1 1028.6 1023.4 1021.3 1021.4 1017.1 1011.1 1016.0 1020.4 1026.9 1026.0 1031.3 1031.3 DAY 5 25 29 8 25 1 25 27 22 26 24 28 MIN. QNH PRESSURE IN HPA 1013.1 1012.0 1007.3 1008.6 1007.6 1001.7 1001.9 1002.6 1009.8 1017.3 1015.9 1014.3 1001.7 DAY 23 20 18 25 3 25 5 1 11 17 8 17 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 896.7 897.3 893.8 892.9 891.0 887.6 885.6 889.6 892.9 897.3 897.0 898.0 893.3 MAX. QFE PRESSURE IN HPA 904.8 904.7 899.5 897.8 898.3 894.6 889.0 893.4 897.1 903.0 901.9 906.1 906.1 DAY 9 24 29 8 25 1 21 27 22 26 24 27 MIN. QFE PRESSURE IN HPA 890.3 888.7 885.6 887.5 885.9 880.6 880.3 881.0 887.5 893.9 892.7 891.3 880.3 DAY 23 9 18 25 4 24 5 1 11 17 8 17 MEAN QNH PRESSURE IN HPA 1018.7 1019.4 1015.5 1014.6 1012.4 1008.6 1006.5 1010.9 1014.5 1019.4 1019.1 1020.2 1015.0 MAX. QNH PRESSURE IN HPA 1027.7 1027.6 1021.9 1020.0 1020.5 1016.4 1010.2 1015.1 1019.2 1025.7 1024.5 1029.2 1029.2 DAY 9 24 29 8 25 1 21 27 22 26 24 27 MIN. QNH PRESSURE IN HPA 1011.7 1009.9 1006.4 1008.6 1006.8 1000.9 1000.6 1001.3 1008.6 1015.7 1014.3 1012.8 1000.6 DAY 23 9 18 25 4 24 5 1 11 17 8 17 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 895.3 895.6 892.1 891.0 889.2 886.0 884.4 888.2 891.5 896.0 895.8 896.7 891.8 MAX. QFE PRESSURE IN HPA 903.6 902.5 897.8 895.5 897.4 892.4 887.7 892.0 895.7 901.9 900.3 904.1 904.1 DAY 5 25 15 8 24 1 21 27 22 26 24 28 MIN. QFE PRESSURE IN HPA 888.2 887.0 884.9 886.1 884.0 878.7 879.3 879.7 885.1 893.1 891.3 890.1 878.7 DAY 29 9 2 25 4 24 5 1 11 17 8 17 MEAN QNH PRESSURE IN HPA 1017.2 1017.5 1013.6 1012.5 1010.4 1006.9 1005.1 1009.3 1012.9 1018.0 1017.8 1018.8 1013.3 MAX. QNH PRESSURE IN HPA 1026.4 1025.2 1020.0 1017.4 1019.5 1014.0 1008.8 1013.5 1017.7 1024.5 1022.8 1027.0 1027.0 DAY 5 25 15 8 24 1 21 27 22 26 24 28 MIN. QNH PRESSURE IN HPA 1009.3 1008.0 1005.7 1007.0 1004.7 998.8 999.5 999.9 1005.9 1014.8 1012.8 1011.4 998.8 DAY 29 9 2 25 4 24 5 1 11 17 8 17 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1972 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 895.8 896.1 892.5 891.1 889.3 885.7 884.2 888.1 891.6 896.5 896.3 897.4 892.0 MAX. QFE PRESSURE IN HPA 904.0 902.6 899.0 895.4 897.0 892.4 887.3 892.2 895.9 901.9 901.0 904.5 904.5 DAY 5 24 15 8 24 1 21 27 22 26 24 26 MIN. QFE PRESSURE IN HPA 887.9 887.5 885.4 886.7 883.5 879.0 879.2 879.9 885.0 893.9 892.1 890.3 879.0 DAY 29 9 2 24 3 24 3 1 11 17 7 17 MEAN QNH PRESSURE IN HPA 1017.8 1018.1 1014.1 1012.6 1010.5 1006.5 1004.8 1009.2 1013.1 1018.5 1018.3 1019.5 1013.6 MAX. QNH PRESSURE IN HPA 1026.9 1025.3 1021.3 1017.3 1019.1 1014.0 1008.3 1013.8 1017.9 1024.5 1023.5 1027.4 1027.4 DAY 5 24 15 8 24 1 21 27 22 26 24 26 MIN. QNH PRESSURE IN HPA 1009.0 1008.6 1006.2 1007.7 1004.1 999.1 999.3 1000.1 1005.8 1015.7 1013.7 1011.7 999.1 DAY 29 9 2 24 3 24 3 1 11 17 7 17 MEAN QFF PRESSURE IN HPA 1018.6 1019.5 1010.6 1006.8 1002.9 996.0 994.5 1000.4 1005.2 1012.8 1015.0 1020.3 1008.5 MAX. QFF PRESSURE IN HPA 1029.4 1030.3 1019.4 1012.8 1012.7 1004.9 999.1 1007.3 1011.8 1020.1 1022.6 1033.1 1033.1 DAY 5 24 4 8 24 1 25 27 22 26 24 26 MIN. QFF PRESSURE IN HPA 1008.0 1005.6 1003.6 1000.8 995.8 987.7 987.6 989.5 995.6 1009.5 1007.8 1010.1 987.6 DAY 23 9 2 24 3 24 5 1 11 17 8 17 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1973 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 6.6 16.9 20.8 26.3 31.9 36.5 36.1 32.9 30.8 25.5 18.2 12.2 24.6 MINIMUN AIR TEMPERATURE (C) 0.2 9.6 12.9 17.7 23.0 27.8 28.5 25.4 22.6 16.4 9.8 4.5 16.5 DAYS WITH MINIMUM TEMP. >=21 0 0 0 10 26 30 31 31 26 2 0 0 156 DAYS WITH MINIMUM TEMP. <=-4 7 0 0 0 0 0 0 0 0 0 0 0 7 DAYS WITH FREEZING MIN.<= 0 19 0 0 0 0 0 0 0 0 0 0 3 22 TEMPERATURE RECORDS LOWEST(C) -9.0 2.0 2.0 12.0 19.0 25.0 25.0 22.0 17.0 12.0 4.0 -2.0 -9.0 DAY 5 7 11 12 16 20 28 18 30 27 9 15 MAXIMUM AIR TEMPERATURE (C) 11.7 21.8 25.4 31.2 36.3 40.5 39.9 36.4 34.8 30.5 23.8 17.4 29.1 DAYS WITH MAXIMUM TEMP. >=30 0 0 7 20 31 30 31 31 27 17 5 0 199 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 23.0 28.0 32.0 38.0 41.0 44.0 45.0 41.0 40.0 37.0 32.0 23.0 45.0 DAY 16 21 21 27 30 15 11 2 3 10 2 6 DIF. BETWEEN (MAX.-MIN.) (C) 11.5 12.2 12.5 13.5 13.3 12.7 11.4 11.0 12.2 14.1 14.0 12.9 12.6 MEAN DAILY TEMP. (MDT) (C) 5.9 15.7 19.1 24.4 29.6 34.1 34.2 30.9 28.7 23.5 16.8 11.0 22.8 COOLING DEG. DAYS(BASE 21 0C) 0.0 1.0 27.0 111.5 268.0 394.5 410.5 307.5 231.5 81.0 13.5 0.0 1846.0 HEATING DEG. DAYS(BASE 18 0C) 374.0 79.5 38.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 76.0 218.5 786.5 DEWPOINT (MEAN C) -6.6 -2.1 -1.6 1.1 2.5 4.7 7.1 4.8 5.6 4.1 -2.8 -4.1 1.0 MIXING RATIO (G/KG) 2.83 3.85 4.08 4.77 5.25 6.31 7.59 6.35 6.71 5.88 3.63 3.29 5.05 VAPOUR PRESSURE (HPA) 4.06 5.50 5.81 6.79 7.44 8.87 10.63 8.96 9.51 8.39 5.20 4.72 7.16 SATURATION DEF. (HPA) 6.58 14.72 20.22 29.11 41.15 53.55 50.34 42.01 36.53 25.77 17.09 10.26 28.94 RELATIVE HUMIDITY (MEAN %) 41 30 24 21 16 15 19 18 22 26 25 33 24 RELATIVE HUMIDITY (MAX. %) 58 44 38 32 24 22 27 22 27 33 31 44 34 RELATIVE HUMIDITY (MIN. %) 30 21 17 15 12 11 14 15 18 22 20 26 18 RELATIVE HUMIDITY (MEAN% 03UTC) 54 43 37 31 24 21 26 22 27 33 30 42 33 RELATIVE HUMIDITY (MEAN% 09UTC) 33 22 20 16 13 12 15 17 20 22 21 27 20 RELATIVE HUMIDITY (MEAN% 15UTC) 43 27 22 20 15 14 18 17 20 25 26 35 24 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 33.5 0.0 7.0 3.8 0.3 8.0 11.0 0.0 0.0 0.0 0.0 0.0 63.6 DAYS WITH PRECIPITATION >=10 1 0 0 0 0 0 1 0 0 0 0 0 2 DAYS WITH PRECIPITATION >= 5 1 0 1 0 0 1 1 0 0 0 0 0 4 DAYS WITH PRECIPITATION >= 1 3 0 2 2 0 2 1 0 0 0 0 0 10 DAYS WITH PRECIPITATION 3 0 2 3 1 2 1 0 0 0 0 0 12 GREATEST DAILY PRECIPITATION 27.0 0.0 6.0 2.0 0.3 6.0 11.0 0.0 0.0 0.0 0.0 0.0 27.0 DAY 3 ** 17 6 14 12 17 ** ** ** ** ** DAY WITH THUNDER STORM 0 0 0 3 1 1 1 0 0 0 0 0 6 DAYS WITH SNOW OR SLEET 3 0 0 0 0 0 0 0 0 0 0 0 3 DAYS WITH DUST 0 7 4 3 3 4 6 6 1 0 2 0 36 WIND DIRECTION (PREVAILING) 270 270 270 270 270 45 45 45 45 45 270 90 270 PREVAILING WIND SPEED(KNOTS) 5.9 7.3 6.1 7.5 5.2 5.6 5.1 6.4 4.9 4.9 6.1 4.4 5.9 PREVAILING WIND PERCENT 25.2 33.6 25.2 19.3 19.4 16.0 23.2 30.3 24.0 22.6 20.7 17.4 19.0 CALMS PERCENT OF WIND 32.9 21.4 20.6 45.3 35.5 44.7 38.1 25.2 32.7 39.4 39.3 43.2 34.9 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 329 304 292 306 357 12 5 8 2 355 325 5 344 VECTOR WIND MAGNITUDE(KNOTS) 1.2 1.6 1.8 1.9 1.1 1.4 2.0 3.6 1.9 1.3 0.8 0.8 1.4 WIND STEADINESES (MEAN %) 30.8 34.0 36.7 50.0 33.3 50.0 58.8 75.0 59.4 40.6 26.7 26.7 37.8 WIND SPEED (MEAN KNOTS) 3.9 4.7 4.9 3.8 3.3 2.8 3.4 4.8 3.2 3.2 3.0 3.0 3.7 FASTEST WIND DIRECTION 270 270 270 280 60 50 280 360 290 20 270 270 270 FASTEST WIND SPEED (KNOTS) 15 20 15 20 12 16 20 20 12 12 12 12 20 DAY 16 1 4 9 14 17 17 12 3 2 1 1 DAYS WITH SKY CLEAR (0-2)/8 17 17 21 15 27 29 20 29 30 31 28 26 290 DAYS WITH P.CLOUDY (3-6)/8 11 9 8 13 4 1 8 2 0 0 1 5 62 DAYS WITH CLOUDY (7-8)/8 3 1 2 2 0 0 3 0 0 0 1 0 12 DAYS WITH VISIBILITY =< 2 KM 1 1 2 0 0 0 0 0 0 0 1 0 5 DURATION OF SUNSHINE HOURS 242.0 219.9 255.8 241.5 306.1 331.0 304.7 308.4 304.4 321.3 274.4 269.4 3378.9 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1973 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 898.5 895.0 894.2 891.8 889.2 884.5 882.9 886.8 891.2 896.1 897.4 898.1 892.1 MAX. QFE PRESSURE IN HPA 908.9 907.9 905.6 897.2 897.8 892.6 888.0 890.4 899.3 901.1 905.3 907.3 908.9 DAY-HOUR 26- 6 7- 6 10- 6 14- 6 8- 6 3- 6 22- 6 22- 6 29- 6 22- 6 12- 6 26- 6 MIN. QFE PRESSURE IN HPA 888.0 885.4 886.4 884.7 882.3 876.0 877.3 882.6 885.9 891.3 890.6 887.4 876.0 DAY-HOUR 16-12 22-12 7-12 24-12 30-15 15-15 16-15 12-15 3-12 18-12 3-12 7-12 MEAN QNH PRESSURE IN HPA 1020.7 1016.9 1015.9 1013.3 1010.4 1005.2 1003.5 1007.7 1012.6 1018.1 1019.6 1020.3 1013.7 MAX. QNH PRESSURE IN HPA 1032.3 1031.2 1028.6 1019.3 1020.0 1014.2 1009.1 1011.8 1021.6 1023.6 1028.3 1030.5 1032.3 DAY-HOUR 26- 6 7- 6 10- 6 14- 6 8- 6 3- 6 22- 6 22- 6 29- 6 22- 6 12- 6 26- 6 MIN. QNH PRESSURE IN HPA 1009.1 1006.2 1007.3 1005.4 1002.8 995.8 997.2 1003.1 1006.8 1012.8 1012.0 1008.4 995.8 DAY-HOUR 16-12 22-12 7-12 24-12 30-15 15-15 16-15 12-15 3-12 18-12 3-12 7-12 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 898.8 895.6 894.7 892.6 890.1 885.3 883.7 887.5 891.8 896.8 898.3 898.7 892.8 MAX. QFE PRESSURE IN HPA 907.8 906.8 904.7 896.8 897.3 892.2 887.7 890.1 898.7 900.2 904.3 906.5 907.8 DAY 26 7 10 14 8 3 28 31 29 21 12 26 MIN. QFE PRESSURE IN HPA 888.5 886.2 889.1 888.5 885.0 876.9 879.9 884.7 887.9 893.5 892.4 892.0 876.9 DAY 16 23 7 24 30 16 16 1 2 11 19 9 MEAN QNH PRESSURE IN HPA 1021.1 1017.6 1016.6 1014.3 1011.4 1006.1 1004.3 1008.6 1013.4 1018.9 1020.5 1021.0 1014.5 MAX. QNH PRESSURE IN HPA 1031.1 1030.0 1027.6 1018.9 1019.4 1013.8 1008.8 1011.4 1021.0 1022.6 1027.2 1029.6 1031.1 DAY 26 7 10 14 8 3 28 31 29 21 12 26 MIN. QNH PRESSURE IN HPA 1009.7 1007.1 1010.3 1009.7 1005.8 996.8 1000.1 1005.4 1009.0 1015.2 1014.0 1013.5 996.8 DAY 16 23 7 24 30 16 16 1 2 11 19 9 MEAN QFF PRESSURE IN HPA 1023.5 1015.0 1012.4 1007.8 1002.6 995.3 993.3 999.1 1005.0 1013.2 1018.1 1021.0 1008.8 MAX. QFF PRESSURE IN HPA 1035.9 1029.6 1028.1 1014.8 1011.5 1003.4 998.9 1002.1 1014.3 1017.9 1027.0 1031.7 1035.9 DAY 6 7 10 14 8 3 28 31 29 21 12 26 MIN. QFF PRESSURE IN HPA 1007.0 1001.3 1003.5 1001.5 996.3 984.8 987.7 994.0 999.4 1007.0 1009.4 1010.6 984.8 DAY 16 23 7 24 31 16 16 4 6 11 5 9 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1973 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 900.0 896.6 895.7 893.3 890.6 885.7 883.9 888.0 892.5 897.5 898.9 899.5 893.5 MAX. QFE PRESSURE IN HPA 908.9 907.9 905.6 897.2 897.8 892.6 888.0 890.4 899.3 901.1 905.3 907.3 908.9 DAY 26 7 10 14 8 3 22 22 29 22 12 26 MIN. QFE PRESSURE IN HPA 890.1 887.2 888.9 888.6 885.4 877.7 880.0 885.0 888.1 894.2 893.3 891.7 877.7 DAY 16 22 7 24 30 16 16 5 2 18 19 7 MEAN QNH PRESSURE IN HPA 1022.4 1018.6 1017.6 1015.0 1012.0 1006.5 1004.6 1009.1 1014.1 1019.7 1021.3 1021.9 1015.2 MAX. QNH PRESSURE IN HPA 1032.3 1031.2 1028.6 1019.3 1020.0 1014.2 1009.1 1011.8 1021.6 1023.6 1028.3 1030.5 1032.3 DAY 26 7 10 14 8 3 22 22 29 22 12 26 MIN. QNH PRESSURE IN HPA 1011.4 1008.2 1010.1 1009.8 1006.2 997.7 1000.2 1005.8 1009.2 1016.0 1015.0 1013.2 997.7 DAY 16 22 7 24 30 16 16 5 2 18 19 7 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 898.5 895.3 894.7 892.2 889.6 885.0 883.4 887.1 891.4 896.1 897.4 898.1 892.4 MAX. QFE PRESSURE IN HPA 907.7 905.7 904.1 896.4 896.8 892.0 887.5 889.4 898.3 899.6 904.0 905.9 907.7 DAY 25 7 10 14 8 3 22 21 29 22 12 27 MIN. QFE PRESSURE IN HPA 888.6 886.7 888.2 887.9 884.2 877.7 879.6 883.7 887.3 892.7 891.7 889.7 877.7 DAY 16 22 7 24 30 16 16 13 2 18 3 7 MEAN QNH PRESSURE IN HPA 1020.8 1017.2 1016.6 1013.8 1010.9 1005.8 1004.0 1008.1 1012.9 1018.1 1019.5 1020.3 1014.0 MAX. QNH PRESSURE IN HPA 1031.0 1028.7 1027.0 1018.4 1018.9 1013.5 1008.6 1010.7 1020.5 1022.0 1026.9 1029.0 1031.0 DAY 25 7 10 14 8 3 22 21 29 22 12 27 MIN. QNH PRESSURE IN HPA 1009.8 1007.7 1009.3 1009.0 1004.9 997.7 999.8 1004.3 1008.3 1014.3 1013.2 1011.0 997.7 DAY 16 22 7 24 30 16 16 13 2 18 3 7 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 897.3 893.6 892.7 890.3 887.9 883.4 881.9 885.7 889.9 894.9 896.1 896.8 890.9 MAX. QFE PRESSURE IN HPA 906.1 903.7 901.9 894.5 893.9 890.3 885.5 888.0 896.4 898.9 903.1 904.3 906.1 DAY 25 7 10 20 8 3 22 22 29 5 12 22 MIN. QFE PRESSURE IN HPA 888.0 885.4 886.4 884.7 882.6 876.7 877.4 883.2 885.9 891.3 890.6 887.4 876.7 DAY 16 22 7 24 30 15 16 13 3 18 3 7 MEAN QNH PRESSURE IN HPA 1019.4 1015.3 1014.3 1011.7 1009.0 1004.0 1002.4 1006.5 1011.2 1016.7 1018.1 1018.8 1012.3 MAX. QNH PRESSURE IN HPA 1029.2 1026.5 1024.5 1016.3 1015.7 1011.7 1006.3 1009.1 1018.4 1021.2 1025.9 1027.2 1029.2 DAY 25 7 10 20 8 3 22 22 29 5 12 22 MIN. QNH PRESSURE IN HPA 1009.1 1006.2 1007.3 1005.4 1003.1 996.6 997.3 1003.8 1006.8 1012.8 1012.0 1008.4 996.6 DAY 16 22 7 24 30 15 16 13 3 18 3 7 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1973 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 897.9 894.0 893.1 890.5 887.8 883.1 881.8 885.6 890.2 895.3 896.5 897.3 891.1 MAX. QFE PRESSURE IN HPA 907.2 904.0 902.0 894.5 894.2 889.7 885.3 888.1 896.7 899.4 903.6 905.0 907.2 DAY 25 7 10 20 7 3 22 30 29 5 12 26 MIN. QFE PRESSURE IN HPA 889.4 885.5 887.0 885.2 882.3 876.0 877.3 882.6 885.9 892.1 891.2 888.3 876.0 DAY 16 22 8 24 30 15 16 12 3 18 3 7 MEAN QNH PRESSURE IN HPA 1020.1 1015.7 1014.7 1011.9 1008.9 1003.7 1002.2 1006.4 1011.5 1017.2 1018.6 1019.5 1012.5 MAX. QNH PRESSURE IN HPA 1030.4 1026.9 1024.6 1016.3 1016.0 1011.0 1006.1 1009.2 1018.8 1021.8 1026.4 1028.0 1030.4 DAY 25 7 10 20 7 3 22 30 29 5 12 26 MIN. QNH PRESSURE IN HPA 1010.7 1006.3 1008.0 1006.0 1002.8 995.8 997.2 1003.1 1006.8 1013.7 1012.7 1009.4 995.8 DAY 16 22 8 24 30 15 16 12 3 18 3 7 MEAN QFF PRESSURE IN HPA 1022.5 1013.2 1010.5 1005.3 999.9 992.8 991.2 996.9 1003.2 1011.3 1016.1 1019.4 1006.8 MAX. QFF PRESSURE IN HPA 1035.3 1029.0 1025.6 1011.7 1007.7 1000.6 996.4 1000.2 1013.1 1016.1 1025.6 1029.7 1035.3 DAY 5 7 10 14 7 3 28 30 30 22 12 26 MIN. QFF PRESSURE IN HPA 1007.1 1001.3 1002.2 998.2 992.6 983.7 984.9 992.4 997.1 1005.5 1007.6 1006.9 983.7 DAY 16 22 7 24 30 15 16 4 3 11 3 7 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1974 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 9.2 10.1 20.3 25.7 30.6 34.4 34.3 33.9 31.0 21.4 18.8 11.7 23.4 MINIMUN AIR TEMPERATURE (C) 3.7 3.9 13.3 17.4 21.9 26.0 27.4 25.1 22.4 12.7 10.3 4.8 15.7 DAYS WITH MINIMUM TEMP. >=21 0 0 1 6 21 30 31 31 24 0 0 0 144 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 6 6 0 0 0 0 0 0 0 0 0 2 14 TEMPERATURE RECORDS LOWEST(C) 0.0 -3.0 3.0 10.0 15.0 23.0 22.0 22.0 16.0 9.0 4.0 0.0 -3.0 DAY 3 5 8 2 1 6 26 16 30 16 29 28 MAXIMUM AIR TEMPERATURE (C) 13.5 14.4 24.8 30.6 34.8 38.6 37.9 37.7 35.6 26.3 24.4 16.7 27.9 DAYS WITH MAXIMUM TEMP. >=30 0 0 10 20 29 30 31 31 29 1 4 0 185 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 22.0 25.0 33.0 37.0 42.0 43.0 44.0 43.0 40.0 30.0 31.0 25.0 44.0 DAY 15 26 24 23 24 3 6 10 3 30 3 6 DIF. BETWEEN (MAX.-MIN.) (C) 9.8 10.5 11.5 13.2 12.9 12.6 10.5 12.6 13.2 13.6 14.1 11.9 12.2 MEAN DAILY TEMP. (MDT) (C) 8.6 9.1 19.0 24.0 28.3 32.3 32.6 31.4 29.0 19.5 17.4 10.8 21.8 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 43.0 104.0 227.0 338.5 360.0 323.0 239.5 2.0 9.5 0.0 1646.5 HEATING DEG. DAYS(BASE 18 0C) 291.0 248.0 58.0 4.5 0.0 0.0 0.0 0.0 0.0 6.5 47.5 225.0 880.5 DEWPOINT (MEAN C) -1.4 0.4 4.8 4.9 9.6 11.0 13.3 8.2 6.5 -0.1 0.6 0.2 4.8 MIXING RATIO (G/KG) 4.02 4.62 6.20 6.33 8.69 9.65 11.15 8.15 7.16 4.38 4.55 4.52 6.62 VAPOUR PRESSURE (HPA) 5.75 6.59 8.82 8.96 12.25 13.53 15.56 11.44 10.13 6.28 6.53 6.46 9.36 SATURATION DEF. (HPA) 6.39 6.69 16.75 25.60 33.16 42.00 39.58 42.70 36.40 20.10 16.26 7.90 24.46 RELATIVE HUMIDITY (MEAN %) 50 53 40 28 29 25 29 22 23 25 31 47 34 RELATIVE HUMIDITY (MAX. %) 66 71 54 39 38 30 33 26 31 34 39 62 44 RELATIVE HUMIDITY (MIN. %) 40 41 31 22 24 22 25 18 19 20 25 37 27 RELATIVE HUMIDITY (MEAN% 03UTC) 63 69 53 38 38 29 33 26 31 34 39 61 43 RELATIVE HUMIDITY (MEAN% 09UTC) 42 47 32 23 24 23 27 20 20 21 26 40 29 RELATIVE HUMIDITY (MEAN% 15UTC) 51 52 39 27 28 24 27 20 22 24 32 45 33 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 23.0 22.3 5.2 0.5 3.5 1.0 0.0 0.0 0.0 0.0 0.0 3.5 59.0 DAYS WITH PRECIPITATION >=10 1 1 0 0 0 0 0 0 0 0 0 0 2 DAYS WITH PRECIPITATION >= 5 3 2 0 0 0 0 0 0 0 0 0 0 5 DAYS WITH PRECIPITATION >= 1 3 3 2 0 2 1 0 0 0 0 0 1 12 DAYS WITH PRECIPITATION 4 6 5 2 2 2 1 0 0 0 0 2 24 GREATEST DAILY PRECIPITATION 10.0 11.0 4.0 0.5 2.0 1.0 0.0 0.0 0.0 0.0 0.0 3.5 11.0 DAY 25 20 13 6 12 26 ** ** ** ** ** 11 DAY WITH THUNDER STORM 0 0 0 0 1 0 0 0 0 0 0 0 1 DAYS WITH SNOW OR SLEET 0 2 0 0 0 0 0 0 0 0 0 0 2 DAYS WITH DUST 4 1 0 5 1 3 2 0 0 0 0 5 21 WIND DIRECTION (PREVAILING) 270 90 270 270 45 45 45 45 45 45 45 45 45 PREVAILING WIND SPEED(KNOTS) 8.2 5.3 5.8 7.0 5.6 6.7 6.5 5.4 4.8 4.8 4.7 4.5 5.5 PREVAILING WIND PERCENT 17.4 14.3 32.3 36.7 25.8 31.3 29.7 34.8 29.3 32.3 19.3 16.8 23.4 CALMS PERCENT OF WIND 41.3 37.1 22.6 16.7 21.9 11.3 9.0 21.3 18.0 20.0 34.7 36.1 24.1 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 312 84 327 284 357 2 2 14 360 360 356 6 353 VECTOR WIND MAGNITUDE(KNOTS) 1.2 0.4 1.4 2.1 1.4 3.3 4.4 2.9 1.4 1.9 0.8 0.5 1.6 WIND STEADINESES (MEAN %) 30.8 11.8 32.6 37.5 33.3 57.9 73.3 67.4 35.0 47.5 27.6 15.2 37.2 WIND SPEED (MEAN KNOTS) 3.9 3.4 4.3 5.6 4.2 5.7 6.0 4.3 4.0 4.0 2.9 3.3 4.3 FASTEST WIND DIRECTION 280 240 280 240 30 30 360 360 270 30 280 270 280 FASTEST WIND SPEED (KNOTS) 25 15 12 24 15 15 15 14 12 12 12 20 25 DAY 25 18 1 28 18 9 23 14 15 13 6 6 DAYS WITH SKY CLEAR (0-2)/8 13 12 15 15 20 24 26 29 27 29 28 19 257 DAYS WITH P.CLOUDY (3-6)/8 12 10 10 13 11 6 4 2 3 2 2 9 84 DAYS WITH CLOUDY (7-8)/8 6 6 6 2 0 0 1 0 0 0 0 3 24 DAYS WITH VISIBILITY =< 2 KM 0 0 0 0 0 0 0 0 0 0 0 0 0 DURATION OF SUNSHINE HOURS 194.5 187.2 233.8 259.4 313.9 331.3 309.1 348.1 298.7 308.7 285.4 226.7 3296.8 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1974 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 895.7 896.4 894.9 890.7 889.8 886.2 884.3 886.0 890.8 897.5 898.4 897.2 892.3 MAX. QFE PRESSURE IN HPA 904.9 904.1 902.7 896.8 896.4 890.8 889.3 889.7 895.8 904.3 906.1 904.9 906.1 DAY-HOUR 26- 6 4- 6 15- 6 13- 6 2- 6 1- 6 29- 3 14- 6 9- 6 15- 6 18- 6 31- 6 MIN. QFE PRESSURE IN HPA 881.1 888.7 887.3 883.5 883.5 881.1 878.7 880.7 883.1 894.0 891.1 888.6 878.7 DAY-HOUR 25- 3 12-12 31-12 29-12 27-12 3-12 20-12 11-15 3-15 18-12 26-12 13-15 MEAN QNH PRESSURE IN HPA 1017.6 1018.4 1016.7 1012.1 1011.1 1007.1 1005.0 1006.9 1012.2 1019.6 1020.7 1019.3 1013.9 MAX. QNH PRESSURE IN HPA 1027.9 1027.0 1025.4 1018.9 1018.4 1012.2 1010.6 1011.0 1017.8 1027.2 1029.2 1027.9 1029.2 DAY-HOUR 26- 6 4- 6 15- 6 13- 6 2- 6 1- 6 29- 3 14- 6 9- 6 15- 6 18- 6 31- 6 MIN. QNH PRESSURE IN HPA 1001.5 1009.9 1008.3 1004.1 1004.1 1001.5 998.8 1001.0 1003.7 1015.8 1012.5 1009.8 998.8 DAY-HOUR 25- 3 12-12 31-12 29-12 27-12 3-12 20-12 11-15 3-15 18-12 26-12 13-15 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 896.0 896.5 895.5 891.6 890.7 886.9 885.0 886.8 891.4 898.0 899.1 897.5 892.9 MAX. QFE PRESSURE IN HPA 903.6 902.8 902.0 896.2 895.4 890.1 889.3 889.4 894.5 903.3 905.4 903.3 905.4 DAY 26 4 10 13 2 1 29 14 9 15 18 21 MIN. QFE PRESSURE IN HPA 881.1 891.3 889.6 886.4 885.5 883.4 879.3 883.2 885.0 895.6 893.4 890.9 879.3 DAY 25 27 27 30 27 26 20 11 2 1 25 27 MEAN QNH PRESSURE IN HPA 1018.0 1018.6 1017.4 1013.1 1012.1 1007.9 1005.8 1007.8 1012.9 1020.3 1021.4 1019.6 1014.6 MAX. QNH PRESSURE IN HPA 1026.4 1025.5 1024.6 1018.2 1017.3 1011.4 1010.6 1010.7 1016.3 1026.1 1028.4 1026.1 1028.4 DAY 26 4 10 13 2 1 29 14 9 15 18 21 MIN. QNH PRESSURE IN HPA 1001.5 1012.8 1010.9 1007.3 1006.3 1004.0 999.5 1003.8 1005.8 1017.5 1015.1 1012.3 999.5 DAY 25 27 27 30 27 26 20 11 2 1 25 27 MEAN QFF PRESSURE IN HPA 1018.7 1018.8 1013.1 1006.7 1003.5 997.6 995.2 997.9 1004.5 1016.2 1018.7 1019.6 1009.2 MAX. QFF PRESSURE IN HPA 1027.9 1029.2 1024.3 1014.3 1011.4 1002.3 1000.9 1000.3 1009.6 1023.8 1026.5 1026.8 1029.2 DAY 6 5 8 13 2 1 29 14 30 15 18 31 MIN. QFF PRESSURE IN HPA 999.8 1008.3 1004.2 999.2 996.7 993.2 987.5 992.2 996.1 1012.3 1011.4 1010.5 987.5 DAY 25 27 24 30 27 30 20 11 2 3 25 27 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1974 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 897.4 897.8 896.4 892.3 891.2 887.4 885.4 887.2 892.2 898.8 899.8 898.7 893.7 MAX. QFE PRESSURE IN HPA 904.9 904.1 902.7 896.8 896.4 890.8 889.3 889.7 895.8 904.3 906.1 904.9 906.1 DAY 26 4 15 13 2 1 29 14 9 15 18 31 MIN. QFE PRESSURE IN HPA 888.5 891.1 890.6 887.0 885.6 883.4 879.5 883.0 886.3 896.3 894.1 892.4 879.5 DAY 25 12 27 29 27 26 20 11 3 28 29 6 MEAN QNH PRESSURE IN HPA 1019.5 1020.0 1018.4 1013.9 1012.7 1008.4 1006.2 1008.2 1013.8 1021.1 1022.3 1020.9 1015.5 MAX. QNH PRESSURE IN HPA 1027.9 1027.0 1025.4 1018.9 1018.4 1012.2 1010.6 1011.0 1017.8 1027.2 1029.2 1027.9 1029.2 DAY 26 4 15 13 2 1 29 14 9 15 18 31 MIN. QNH PRESSURE IN HPA 1009.7 1012.5 1012.0 1008.0 1006.4 1004.0 999.7 1003.6 1007.2 1018.3 1015.9 1014.0 999.7 DAY 25 12 27 29 27 26 20 11 3 28 29 6 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 895.8 896.9 895.1 891.0 890.2 886.8 884.9 886.5 891.2 897.6 898.4 897.1 892.6 MAX. QFE PRESSURE IN HPA 903.6 903.1 901.4 895.3 895.2 889.8 888.6 889.1 894.8 903.7 904.9 903.8 904.9 DAY 26 4 7 3 2 1 29 14 9 14 18 31 MIN. QFE PRESSURE IN HPA 887.5 890.3 889.1 886.0 885.0 883.2 879.3 882.2 885.4 894.8 892.0 889.9 879.3 DAY 31 12 26 29 27 26 20 11 3 18 29 13 MEAN QNH PRESSURE IN HPA 1017.8 1019.0 1017.0 1012.5 1011.6 1007.8 1005.6 1007.4 1012.6 1019.7 1020.6 1019.2 1014.2 MAX. QNH PRESSURE IN HPA 1026.4 1025.9 1024.0 1017.2 1017.1 1011.1 1009.8 1010.3 1016.7 1026.5 1027.9 1026.6 1027.9 DAY 26 4 7 3 2 1 29 14 9 14 18 31 MIN. QNH PRESSURE IN HPA 1008.6 1011.7 1010.3 1006.9 1005.8 1003.8 999.5 1002.7 1006.2 1016.7 1013.5 1011.2 999.5 DAY 31 12 26 29 27 26 20 11 3 18 29 13 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 894.3 895.2 893.5 889.1 888.5 885.1 883.2 885.0 889.5 896.3 897.1 896.1 891.1 MAX. QFE PRESSURE IN HPA 901.2 901.1 899.8 892.9 894.0 888.1 886.1 886.9 892.8 901.7 903.3 902.2 903.3 DAY 4 5 7 3 2 1 28 23 30 14 18 31 MIN. QFE PRESSURE IN HPA 885.2 888.7 887.3 883.5 883.5 881.1 878.7 880.9 883.5 894.0 891.1 889.0 878.7 DAY 18 12 31 29 27 3 20 11 3 18 26 13 MEAN QNH PRESSURE IN HPA 1016.1 1017.1 1015.2 1010.3 1009.7 1005.9 1003.8 1005.7 1010.8 1018.3 1019.3 1018.0 1012.5 MAX. QNH PRESSURE IN HPA 1023.7 1023.6 1022.2 1014.5 1015.8 1009.2 1007.0 1007.9 1014.4 1024.3 1026.1 1024.9 1026.1 DAY 4 5 7 3 2 1 28 23 30 14 18 31 MIN. QNH PRESSURE IN HPA 1006.0 1009.9 1008.3 1004.1 1004.1 1001.5 998.8 1001.2 1004.1 1015.8 1012.5 1010.2 998.8 DAY 18 12 31 29 27 3 20 11 3 18 26 13 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1974 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 894.8 895.7 893.9 889.4 888.6 884.8 882.9 884.9 889.7 896.7 897.6 896.6 891.3 MAX. QFE PRESSURE IN HPA 901.8 901.3 900.1 893.1 893.8 888.1 886.3 887.0 893.7 902.0 903.5 902.7 903.5 DAY 5 4 7 2 2 1 28 3 30 14 18 31 MIN. QFE PRESSURE IN HPA 884.6 889.2 887.6 883.9 883.5 881.1 878.7 880.7 883.1 894.5 891.7 888.6 878.7 DAY 18 12 31 29 27 3 20 11 3 18 26 13 MEAN QNH PRESSURE IN HPA 1016.7 1017.6 1015.6 1010.7 1009.8 1005.5 1003.4 1005.6 1010.9 1018.7 1019.8 1018.7 1012.8 MAX. QNH PRESSURE IN HPA 1024.4 1023.9 1022.5 1014.8 1015.5 1009.2 1007.2 1008.0 1015.4 1024.6 1026.3 1025.4 1026.3 DAY 5 4 7 2 2 1 28 3 30 14 18 31 MIN. QNH PRESSURE IN HPA 1005.3 1010.4 1008.7 1004.6 1004.1 1001.5 998.8 1001.0 1003.7 1016.3 1013.2 1009.8 998.8 DAY 18 12 31 29 27 3 20 11 3 18 26 13 MEAN QFF PRESSURE IN HPA 1017.2 1017.8 1011.3 1004.2 1001.0 995.1 992.6 995.6 1002.5 1014.7 1017.1 1018.6 1007.3 MAX. QFF PRESSURE IN HPA 1026.8 1027.3 1021.9 1011.9 1009.8 999.7 997.7 998.9 1010.0 1021.4 1024.5 1027.1 1027.3 DAY 5 5 7 2 2 1 28 23 30 14 18 31 MIN. QFF PRESSURE IN HPA 1005.1 1007.3 1001.6 996.3 994.3 990.3 986.9 989.3 993.0 1011.5 1010.7 1007.0 986.9 DAY 18 12 24 29 27 3 5 11 3 2 24 13 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1975 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 10.4 14.5 18.6 22.7 30.6 33.3 35.5 33.5 30.3 24.5 16.9 11.8 23.6 MINIMUN AIR TEMPERATURE (C) 4.4 7.1 11.5 15.1 21.5 24.7 26.5 25.4 21.5 15.5 8.9 4.4 15.5 DAYS WITH MINIMUM TEMP. >=21 0 0 0 2 20 30 31 29 19 2 0 0 133 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 6 2 0 0 0 0 0 0 0 0 0 3 11 TEMPERATURE RECORDS LOWEST(C) -3.0 -2.0 1.0 8.0 17.0 21.0 23.0 19.0 18.0 7.0 5.0 -3.0 -3.0 DAY 16 13 10 4 14 22 8 31 2 22 16 26 MAXIMUM AIR TEMPERATURE (C) 14.9 19.4 23.3 27.3 35.1 37.4 39.5 37.4 34.9 29.6 22.4 17.1 28.2 DAYS WITH MAXIMUM TEMP. >=30 0 0 1 14 29 30 31 31 30 17 1 0 184 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 27.0 27.0 31.0 36.0 41.0 40.0 42.0 42.0 39.0 37.0 30.0 25.0 42.0 DAY 4 21 26 30 25 14 5 11 10 3 1 23 DIF. BETWEEN (MAX.-MIN.) (C) 10.5 12.3 11.8 12.2 13.6 12.7 13.0 12.0 13.4 14.1 13.5 12.7 12.7 MEAN DAILY TEMP. (MDT) (C) 9.7 13.2 17.4 21.2 28.3 31.0 33.0 31.4 28.2 22.6 15.6 10.8 21.9 COOLING DEG. DAYS(BASE 21 0C) 0.0 1.0 15.5 61.0 225.5 301.0 371.0 321.5 215.0 90.0 1.5 0.0 1603.0 HEATING DEG. DAYS(BASE 18 0C) 260.0 144.5 71.5 21.0 0.0 0.0 0.0 0.0 0.0 13.0 86.5 226.5 823.0 DEWPOINT (MEAN C) -3.0 -1.0 0.6 5.2 7.5 8.6 9.1 6.6 5.3 4.9 2.8 -1.4 3.7 MIXING RATIO (G/KG) 3.67 4.15 4.66 6.45 7.53 8.03 8.39 7.22 6.42 6.26 5.33 4.04 6.01 VAPOUR PRESSURE (HPA) 5.25 5.92 6.64 9.15 10.65 11.29 11.76 10.14 9.09 8.90 7.63 5.79 8.52 SATURATION DEF. (HPA) 8.14 11.78 16.10 20.10 34.95 41.05 47.36 43.02 35.43 24.03 12.65 8.89 25.29 RELATIVE HUMIDITY (MEAN %) 43 37 32 35 26 23 21 20 21 30 40 42 31 RELATIVE HUMIDITY (MAX. %) 54 54 47 53 36 30 28 27 28 39 52 56 42 RELATIVE HUMIDITY (MIN. %) 34 27 24 25 20 19 17 16 17 23 33 33 24 RELATIVE HUMIDITY (MEAN% 03UTC) 53 53 45 51 36 30 28 27 27 39 51 54 41 RELATIVE HUMIDITY (MEAN% 09UTC) 36 29 27 28 21 20 18 17 18 24 34 35 26 RELATIVE HUMIDITY (MEAN% 15UTC) 43 35 30 33 25 21 18 18 20 30 42 44 30 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 20.9 0.0 8.3 9.6 6.4 0.0 0.0 0.0 0.0 0.0 0.0 0.4 45.6 DAYS WITH PRECIPITATION >=10 1 0 0 0 0 0 0 0 0 0 0 0 1 DAYS WITH PRECIPITATION >= 5 1 0 1 0 1 0 0 0 0 0 0 0 3 DAYS WITH PRECIPITATION >= 1 2 0 3 3 1 0 0 0 0 0 0 0 9 DAYS WITH PRECIPITATION 4 1 5 8 3 0 0 0 0 0 0 1 22 GREATEST DAILY PRECIPITATION 18.0 0.0 6.0 3.0 6.0 0.0 0.0 0.0 0.0 0.0 0.0 0.4 18.0 DAY 25 ** 9 20 14 ** ** ** ** ** ** 3 DAY WITH THUNDER STORM 0 0 0 2 0 1 0 0 0 0 0 0 3 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 1 2 2 2 0 5 3 5 1 0 2 2 25 WIND DIRECTION (PREVAILING) 270 270 270 270 270 45 45 45 45 45 270 270 270 PREVAILING WIND SPEED(KNOTS) 6.2 6.3 6.0 5.5 5.6 5.3 4.9 5.5 5.0 4.8 4.9 5.0 5.4 PREVAILING WIND PERCENT 17.4 34.3 27.1 18.7 23.9 24.7 29.7 30.3 29.3 26.5 25.3 20.0 22.1 CALMS PERCENT OF WIND 33.5 18.6 24.5 35.3 24.5 15.3 14.2 14.2 12.0 20.6 17.3 28.4 21.6 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 360 293 294 339 346 354 1 6 352 1 34 32 351 VECTOR WIND MAGNITUDE(KNOTS) 0.8 1.6 1.3 0.9 1.4 2.8 2.8 3.1 2.6 1.7 0.7 0.6 1.5 WIND STEADINESES (MEAN %) 24.2 34.8 31.0 27.3 34.1 60.9 63.6 62.0 56.5 42.5 17.9 18.2 36.6 WIND SPEED (MEAN KNOTS) 3.3 4.6 4.2 3.3 4.1 4.6 4.4 5.0 4.6 4.0 3.9 3.3 4.1 FASTEST WIND DIRECTION 270 260 270 260 270 60 30 150 360 360 180 270 270 FASTEST WIND SPEED (KNOTS) 18 15 20 15 20 12 12 15 15 14 15 15 20 DAY 5 6 14 17 14 10 28 16 5 30 29 23 DAYS WITH SKY CLEAR (0-2)/8 19 17 17 13 22 26 30 26 27 31 29 18 275 DAYS WITH P.CLOUDY (3-6)/8 5 9 10 14 8 4 1 5 3 0 1 9 69 DAYS WITH CLOUDY (7-8)/8 7 2 4 3 1 0 0 0 0 0 0 4 21 DAYS WITH VISIBILITY =< 2 KM 0 0 0 0 0 0 0 0 0 0 0 0 0 DURATION OF SUNSHINE HOURS 218.6 242.8 240.6 243.2 326.1 319.1 360.6 360.6 304.5 324.1 273.5 219.2 3432.9 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1975 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 897.3 894.3 893.4 893.4 890.5 886.5 884.5 885.4 890.7 894.4 898.1 898.1 892.2 MAX. QFE PRESSURE IN HPA 909.4 902.9 900.9 903.4 897.5 891.0 889.2 892.1 899.1 902.2 904.8 905.5 909.4 DAY-HOUR 15- 6 18- 6 24- 6 4- 6 20- 6 6- 6 29- 6 31- 6 19- 6 21- 6 21- 6 25- 6 MIN. QFE PRESSURE IN HPA 889.9 885.9 885.9 884.3 885.4 881.8 881.5 878.9 884.3 886.5 884.3 891.0 878.9 DAY-HOUR 5-12 6-12 19-12 24-15 25-12 30-12 17-12 14-15 10-12 3-15 29-12 31- 3 MEAN QNH PRESSURE IN HPA 1019.4 1016.1 1015.1 1015.1 1011.8 1007.5 1005.2 1006.3 1012.1 1016.2 1020.3 1020.3 1013.8 MAX. QNH PRESSURE IN HPA 1032.8 1025.6 1023.4 1026.2 1019.6 1012.4 1010.4 1013.7 1021.4 1024.9 1027.7 1028.5 1032.8 DAY-HOUR 15- 6 18- 6 24- 6 4- 6 20- 6 6- 6 29- 6 31- 6 19- 6 21- 6 21- 6 25- 6 MIN. QNH PRESSURE IN HPA 1011.2 1006.8 1006.8 1005.0 1006.2 1002.2 1001.9 999.0 1005.0 1007.4 1005.0 1012.4 999.0 DAY-HOUR 5-12 6-12 19-12 24-15 25-12 30-12 17-12 14-15 10-12 3-15 29-12 31- 3 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 897.7 894.7 894.1 894.2 891.4 887.3 885.3 886.1 891.4 895.0 898.8 898.5 892.9 MAX. QFE PRESSURE IN HPA 908.0 902.4 900.3 901.5 897.1 890.7 888.9 891.2 897.8 901.6 903.8 904.8 908.0 DAY 15 18 24 4 20 6 29 30 19 21 21 25 MIN. QFE PRESSURE IN HPA 891.5 887.1 886.1 888.3 888.9 884.6 883.0 880.5 885.8 888.6 888.5 891.0 880.5 DAY 28 12 3 15 15 25 17 14 10 4 29 31 MEAN QNH PRESSURE IN HPA 1019.8 1016.5 1015.8 1016.0 1012.9 1008.3 1006.1 1007.0 1012.8 1016.9 1021.1 1020.8 1014.5 MAX. QNH PRESSURE IN HPA 1031.3 1025.1 1022.8 1024.1 1019.2 1012.1 1010.1 1012.7 1020.0 1024.2 1026.6 1027.7 1031.3 DAY 15 18 24 4 20 6 29 30 19 21 21 25 MIN. QNH PRESSURE IN HPA 1013.0 1008.1 1007.0 1009.4 1010.1 1005.3 1003.6 1000.8 1006.7 1009.8 1009.7 1012.4 1000.8 DAY 28 12 3 15 15 25 17 14 10 4 29 31 MEAN QFF PRESSURE IN HPA 1020.3 1015.2 1012.5 1010.8 1004.5 998.5 995.5 997.2 1004.8 1011.5 1019.1 1021.0 1009.2 MAX. QFF PRESSURE IN HPA 1034.0 1024.7 1021.5 1021.8 1010.6 1003.0 999.6 1005.1 1011.9 1021.4 1025.8 1030.2 1034.0 DAY 16 18 10 4 20 6 29 31 22 25 21 26 MIN. QFF PRESSURE IN HPA 1011.4 1005.1 1000.9 1001.9 1000.4 995.0 993.2 990.4 998.1 1002.3 1005.1 1011.6 990.4 DAY 28 11 3 15 26 26 5 14 16 5 29 24 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1975 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 898.9 895.7 894.9 895.0 891.8 887.6 885.5 886.6 891.9 895.8 899.7 899.6 893.6 MAX. QFE PRESSURE IN HPA 909.4 902.9 900.9 903.4 897.5 891.0 889.2 892.1 899.1 902.2 904.8 905.5 909.4 DAY 15 18 24 4 20 6 29 31 19 21 21 25 MIN. QFE PRESSURE IN HPA 893.0 887.6 886.9 888.5 889.3 884.5 883.0 880.7 886.3 889.3 888.7 892.1 880.7 DAY 28 6 3 15 15 30 17 14 10 3 29 31 MEAN QNH PRESSURE IN HPA 1021.2 1017.7 1016.7 1016.9 1013.3 1008.7 1006.3 1007.5 1013.5 1017.8 1022.1 1021.9 1015.3 MAX. QNH PRESSURE IN HPA 1032.8 1025.6 1023.4 1026.2 1019.6 1012.4 1010.4 1013.7 1021.4 1024.9 1027.7 1028.5 1032.8 DAY 15 18 24 4 20 6 29 31 19 21 21 25 MIN. QNH PRESSURE IN HPA 1014.7 1008.7 1007.9 1009.7 1010.6 1005.2 1003.6 1001.0 1007.2 1010.6 1009.9 1013.7 1001.0 DAY 28 6 3 15 15 30 17 14 10 3 29 31 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 897.3 894.7 893.9 893.9 890.9 886.9 884.9 885.8 890.9 894.6 898.2 898.1 892.5 MAX. QFE PRESSURE IN HPA 907.2 901.6 900.0 901.2 895.7 890.3 888.2 891.3 897.7 900.6 903.1 903.9 907.2 DAY 15 18 5 4 20 6 27 31 19 20 21 5 MIN. QFE PRESSURE IN HPA 892.0 886.9 886.7 887.0 888.2 883.5 882.8 879.9 885.6 888.6 886.8 892.8 879.9 DAY 5 6 3 15 25 30 17 14 10 3 29 3 MEAN QNH PRESSURE IN HPA 1019.5 1016.6 1015.6 1015.6 1012.3 1007.9 1005.6 1006.6 1012.3 1016.5 1020.4 1020.3 1014.1 MAX. QNH PRESSURE IN HPA 1030.4 1024.2 1022.4 1023.7 1017.7 1011.7 1009.3 1012.8 1019.9 1023.1 1025.9 1026.7 1030.4 DAY 15 18 5 4 20 6 27 31 19 20 21 5 MIN. QNH PRESSURE IN HPA 1013.5 1007.9 1007.7 1008.0 1009.3 1004.1 1003.3 1000.1 1006.4 1009.8 1007.8 1014.4 1000.1 DAY 5 6 3 15 25 30 17 14 10 3 29 3 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 896.1 893.0 891.9 891.9 889.2 885.5 883.4 884.4 889.4 893.1 896.7 896.8 890.9 MAX. QFE PRESSURE IN HPA 905.9 900.1 897.6 899.1 894.4 889.2 886.5 889.5 895.4 899.3 901.5 902.2 905.9 DAY 15 18 5 4 20 5 27 31 19 25 21 26 MIN. QFE PRESSURE IN HPA 889.9 885.9 885.9 885.0 885.4 881.8 881.5 879.1 884.3 886.8 884.3 891.3 879.1 DAY 5 6 19 15 25 30 17 14 10 3 29 23 MEAN QNH PRESSURE IN HPA 1018.0 1014.6 1013.4 1013.5 1010.4 1006.4 1004.1 1005.1 1010.7 1014.7 1018.7 1018.9 1012.4 MAX. QNH PRESSURE IN HPA 1029.0 1022.5 1019.8 1021.4 1016.2 1010.4 1007.4 1010.8 1017.3 1021.6 1024.1 1024.9 1029.0 DAY 15 18 5 4 20 5 27 31 19 25 21 26 MIN. QNH PRESSURE IN HPA 1011.2 1006.8 1006.8 1005.8 1006.2 1002.2 1001.9 999.2 1005.0 1007.8 1005.0 1012.8 999.2 DAY 5 6 19 15 25 30 17 14 10 3 29 23 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1975 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 896.6 893.5 892.4 892.1 889.1 885.3 883.3 884.4 889.8 893.3 897.2 897.4 891.2 MAX. QFE PRESSURE IN HPA 906.6 900.4 898.0 899.5 894.5 888.4 886.2 889.8 895.4 899.6 902.6 902.7 906.6 DAY 15 18 5 4 20 5 28 31 19 25 21 26 MIN. QFE PRESSURE IN HPA 890.7 886.1 887.3 884.3 885.4 882.1 881.5 878.9 884.5 886.5 886.3 891.9 878.9 DAY 5 11 26 24 25 30 17 14 10 3 29 23 MEAN QNH PRESSURE IN HPA 1018.6 1015.2 1013.9 1013.7 1010.4 1006.1 1003.9 1005.2 1011.1 1015.0 1019.3 1019.5 1012.7 MAX. QNH PRESSURE IN HPA 1029.7 1022.9 1020.2 1021.9 1016.3 1009.6 1007.1 1011.1 1017.3 1022.0 1025.3 1025.4 1029.7 DAY 15 18 5 4 20 5 28 31 19 25 21 26 MIN. QNH PRESSURE IN HPA 1012.1 1007.0 1008.3 1005.0 1006.2 1002.6 1001.9 999.0 1005.2 1007.4 1007.2 1013.4 999.0 DAY 5 11 26 24 25 30 17 14 10 3 29 23 MEAN QFF PRESSURE IN HPA 1019.0 1013.7 1010.6 1008.4 1001.8 996.2 993.2 995.4 1002.9 1009.6 1017.2 1019.6 1007.3 MAX. QFF PRESSURE IN HPA 1033.1 1022.7 1019.8 1019.7 1008.0 1000.2 996.6 1003.9 1009.5 1019.3 1024.2 1028.7 1033.1 DAY 15 18 5 4 20 6 28 31 22 25 21 26 MIN. QFF PRESSURE IN HPA 1008.6 1003.2 1001.7 999.1 996.1 992.2 991.2 988.1 996.3 999.6 1002.4 1009.1 988.1 DAY 5 11 26 24 25 25 5 14 10 3 29 23 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1976 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 13.9 11.6 15.3 23.1 30.7 33.3 35.9 33.0 31.9 26.3 15.3 12.6 23.6 MINIMUN AIR TEMPERATURE (C) 6.6 5.9 8.9 15.6 22.1 24.9 28.0 24.4 22.7 18.3 7.8 4.9 15.8 DAYS WITH MINIMUM TEMP. >=21 0 0 0 2 23 30 31 31 30 5 0 0 152 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 1 3 0 0 0 0 0 0 0 0 0 1 5 TEMPERATURE RECORDS LOWEST(C) 0.0 -3.0 3.0 9.0 18.0 23.0 25.0 21.0 21.0 12.0 3.0 0.0 -3.0 DAY 2 18 4 5 1 11 29 28 14 31 20 25 MAXIMUM AIR TEMPERATURE (C) 19.7 16.0 19.7 28.1 35.4 37.4 40.3 37.2 36.8 31.7 21.1 18.1 28.5 DAYS WITH MAXIMUM TEMP. >=30 1 0 0 11 31 30 31 31 30 25 0 0 190 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 30.0 25.0 26.0 37.0 40.0 41.0 44.0 39.0 39.0 36.0 29.0 24.0 44.0 DAY 24 9 31 18 30 1 4 3 21 4 28 10 DIF. BETWEEN (MAX.-MIN.) (C) 13.1 10.1 10.8 12.5 13.3 12.5 12.3 12.8 14.1 13.4 13.3 13.2 12.7 MEAN DAILY TEMP. (MDT) (C) 13.2 11.0 14.3 21.8 28.7 31.1 34.2 30.8 29.8 25.0 14.4 11.5 22.2 COOLING DEG. DAYS(BASE 21 0C) 3.5 1.0 0.0 55.5 240.0 304.5 408.0 304.0 263.5 127.5 0.0 0.0 1707.5 HEATING DEG. DAYS(BASE 18 0C) 167.5 209.5 115.0 8.0 0.0 0.0 0.0 0.0 0.0 0.0 115.5 201.5 817.0 DEWPOINT (MEAN C) 0.1 1.3 3.8 9.0 8.8 8.3 9.6 5.9 7.5 8.4 -1.2 0.2 5.1 MIXING RATIO (G/KG) 4.42 4.94 5.87 8.20 8.16 7.85 8.88 6.77 7.44 7.86 4.20 4.45 6.59 VAPOUR PRESSURE (HPA) 6.31 7.04 8.34 11.60 11.53 11.06 12.41 9.54 10.53 11.15 6.02 6.37 9.33 SATURATION DEF. (HPA) 10.75 7.62 9.67 18.20 33.99 41.28 48.22 41.84 38.14 24.41 12.37 8.91 24.62 RELATIVE HUMIDITY (MEAN %) 41 51 49 43 27 22 22 19 23 33 34 45 34 RELATIVE HUMIDITY (MAX. %) 54 68 69 60 36 29 31 25 29 44 45 60 46 RELATIVE HUMIDITY (MIN. %) 33 40 38 34 22 18 16 15 18 26 27 35 27 RELATIVE HUMIDITY (MEAN% 03UTC) 52 67 66 58 36 29 29 23 29 44 43 57 44 RELATIVE HUMIDITY (MEAN% 09UTC) 34 45 43 37 23 20 18 16 19 26 28 37 29 RELATIVE HUMIDITY (MEAN% 15UTC) 43 50 48 41 26 20 21 19 23 36 39 49 35 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 2.5 27.6 15.8 27.3 0.0 0.0 0.3 0.0 0.0 1.0 0.0 0.7 75.2 DAYS WITH PRECIPITATION >=10 0 1 0 2 0 0 0 0 0 0 0 0 3 DAYS WITH PRECIPITATION >= 5 0 2 1 2 0 0 0 0 0 0 0 0 5 DAYS WITH PRECIPITATION >= 1 1 6 6 4 0 0 0 0 0 1 0 0 18 DAYS WITH PRECIPITATION 2 11 11 6 0 0 3 0 0 5 0 2 40 GREATEST DAILY PRECIPITATION 2.4 11.0 6.0 12.0 0.0 0.0 0.3 0.0 0.0 1.0 0.0 0.4 12.0 DAY 1 29 29 7 ** ** 23 ** ** 29 ** 31 DAY WITH THUNDER STORM 0 0 0 0 0 0 0 0 0 2 0 0 2 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 0 2 1 0 6 0 4 3 0 1 1 0 18 WIND DIRECTION (PREVAILING) 270 45 90 270 270 360 45 45 45 270 45 270 45 PREVAILING WIND SPEED(KNOTS) 4.8 4.7 4.6 5.2 6.6 6.6 5.7 6.1 4.9 4.8 5.2 4.8 5.3 PREVAILING WIND PERCENT 24.5 19.3 18.1 22.7 17.4 26.0 25.2 31.0 26.0 23.9 28.0 21.9 19.6 CALMS PERCENT OF WIND 31.0 22.8 27.1 29.3 23.2 14.7 30.3 21.9 26.7 32.9 38.7 38.1 28.1 NO. OF WIND OBSERVATION 155 145 155 150 155 150 155 155 150 155 150 155 1830 VECTOR WIND DIRECTION (MEAN) 341 28 342 337 350 3 18 17 358 306 17 13 5 VECTOR WIND MAGNITUDE(KNOTS) 0.4 0.6 0.5 0.4 1.0 2.9 2.1 2.6 1.5 0.7 1.3 0.5 1.2 WIND STEADINESES (MEAN %) 12.5 14.6 12.8 11.4 23.3 59.2 51.2 55.3 38.5 21.2 40.6 17.2 31.6 WIND SPEED (MEAN KNOTS) 3.2 4.1 3.9 3.5 4.3 4.9 4.1 4.7 3.9 3.3 3.2 2.9 3.8 FASTEST WIND DIRECTION 280 240 270 270 270 360 120 30 270 300 360 270 240 FASTEST WIND SPEED (KNOTS) 8 20 18 12 12 15 15 12 12 10 12 12 20 DAY 7 28 2 7 1 24 22 4 25 18 11 31 DAYS WITH SKY CLEAR (0-2)/8 21 10 9 12 21 29 23 25 28 24 21 20 243 DAYS WITH P.CLOUDY (3-6)/8 8 11 11 14 10 1 8 6 2 6 8 10 95 DAYS WITH CLOUDY (7-8)/8 2 8 11 4 0 0 0 0 0 1 1 1 28 DAYS WITH VISIBILITY =< 2 KM 0 0 0 0 0 0 0 0 0 0 0 0 0 DURATION OF SUNSHINE HOURS 240.9 164.0 190.1 245.4 303.3 348.5 317.0 315.0 309.7 258.2 259.8 247.2 3199.1 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1976 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 895.0 894.5 893.2 892.7 890.4 887.4 882.8 886.3 890.6 894.4 899.4 898.5 892.1 MAX. QFE PRESSURE IN HPA 901.7 904.0 901.6 898.5 895.5 893.4 887.0 890.5 895.1 902.0 906.2 906.1 906.2 DAY-HOUR 1- 6 21- 6 27- 6 4- 6 13- 6 21- 6 23- 6 28- 6 21- 6 31- 6 12- 6 13- 6 MIN. QFE PRESSURE IN HPA 889.3 885.9 885.0 887.8 884.2 881.5 878.5 882.8 885.5 887.7 884.3 889.0 878.5 DAY-HOUR 30-12 5-12 11-15 5-12 7-15 6-15 19-12 1-12 18-12 18-12 29-12 31-12 MEAN QNH PRESSURE IN HPA 1016.9 1016.3 1014.8 1014.4 1011.7 1008.4 1003.4 1007.2 1012.0 1016.2 1021.7 1020.8 1013.7 MAX. QNH PRESSURE IN HPA 1024.3 1026.9 1024.2 1020.8 1017.4 1015.1 1008.0 1011.9 1017.0 1024.6 1029.3 1029.2 1029.3 DAY-HOUR 1- 6 21- 6 27- 6 4- 6 13- 6 21- 6 23- 6 28- 6 21- 6 31- 6 12- 6 13- 6 MIN. QNH PRESSURE IN HPA 1010.6 1006.8 1005.8 1008.9 1004.9 1001.9 998.6 1003.3 1006.3 1008.8 1005.0 1010.2 998.6 DAY-HOUR 30-12 5-12 11-15 5-12 7-15 6-15 19-12 1-12 18-12 18-12 29-12 31-12 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 895.6 894.7 893.6 893.4 891.4 888.1 883.6 887.0 891.2 895.2 900.2 899.2 892.8 MAX. QFE PRESSURE IN HPA 899.9 902.5 900.5 897.7 895.1 893.1 886.9 890.3 894.4 901.0 905.6 905.2 905.6 DAY 1 21 27 4 13 21 23 28 13 31 12 13 MIN. QFE PRESSURE IN HPA 890.1 888.4 885.9 888.8 887.6 882.2 880.1 884.6 887.6 890.8 887.7 891.0 880.1 DAY 7 6 14 22 25 6 20 1 3 19 29 31 MEAN QNH PRESSURE IN HPA 1017.5 1016.5 1015.3 1015.1 1012.8 1009.3 1004.2 1008.0 1012.7 1017.1 1022.6 1021.5 1014.4 MAX. QNH PRESSURE IN HPA 1022.3 1025.2 1023.0 1019.9 1017.0 1014.8 1007.9 1011.7 1016.2 1023.5 1028.6 1028.2 1028.6 DAY 1 21 27 4 13 21 23 28 13 31 12 13 MIN. QNH PRESSURE IN HPA 1011.4 1009.6 1006.8 1010.0 1008.7 1002.7 1000.3 1005.3 1008.7 1012.2 1008.8 1012.4 1000.3 DAY 7 6 14 22 25 6 20 1 3 19 29 31 MEAN QFF PRESSURE IN HPA 1016.5 1016.0 1013.0 1009.6 1004.3 999.6 993.4 998.6 1004.1 1010.7 1021.5 1021.4 1009.1 MAX. QFF PRESSURE IN HPA 1024.2 1026.6 1022.6 1018.3 1008.6 1005.7 998.8 1003.7 1007.9 1019.1 1028.5 1028.2 1028.5 DAY 2 22 27 4 13 21 23 28 21 31 12 13 MIN. QFF PRESSURE IN HPA 1008.6 1003.7 1001.7 1003.9 999.3 992.7 988.2 994.5 1000.1 1004.0 1005.4 1009.8 988.2 DAY 7 11 14 22 28 6 20 1 1 4 29 31 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1976 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 896.6 895.9 894.6 894.3 891.9 888.5 883.8 887.4 891.9 896.0 900.9 900.2 893.5 MAX. QFE PRESSURE IN HPA 901.7 904.0 901.6 898.5 895.5 893.4 887.0 890.5 895.1 902.0 906.2 906.1 906.2 DAY 1 21 27 4 13 21 23 28 21 31 12 13 MIN. QFE PRESSURE IN HPA 891.5 889.2 886.8 889.8 887.9 882.5 880.1 884.7 888.2 891.9 888.0 893.0 880.1 DAY 7 5 14 22 25 6 20 2 3 19 29 31 MEAN QNH PRESSURE IN HPA 1018.6 1017.8 1016.4 1016.2 1013.5 1009.7 1004.5 1008.4 1013.4 1018.0 1023.4 1022.7 1015.2 MAX. QNH PRESSURE IN HPA 1024.3 1026.9 1024.2 1020.8 1017.4 1015.1 1008.0 1011.9 1017.0 1024.6 1029.3 1029.2 1029.3 DAY 1 21 27 4 13 21 23 28 21 31 12 13 MIN. QNH PRESSURE IN HPA 1013.0 1010.4 1007.8 1011.1 1009.0 1003.0 1000.3 1005.4 1009.3 1013.4 1009.1 1014.7 1000.3 DAY 7 5 14 22 25 6 20 2 3 19 29 31 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 895.1 895.0 893.7 893.3 890.9 887.9 883.1 886.5 891.0 894.5 899.3 898.4 892.4 MAX. QFE PRESSURE IN HPA 901.0 902.9 901.0 898.5 894.8 892.2 885.8 889.3 894.4 899.8 904.1 904.0 904.1 DAY 1 21 27 4 13 21 1 28 21 31 12 13 MIN. QFE PRESSURE IN HPA 890.7 887.5 886.6 889.2 887.3 882.8 879.8 883.7 887.0 890.3 885.2 890.5 879.8 DAY 12 5 14 22 7 6 20 1 2 19 29 31 MEAN QNH PRESSURE IN HPA 1016.9 1016.9 1015.4 1014.9 1012.4 1009.0 1003.7 1007.5 1012.4 1016.3 1021.6 1020.6 1014.0 MAX. QNH PRESSURE IN HPA 1023.5 1025.6 1023.5 1020.8 1016.7 1013.8 1006.7 1010.6 1016.2 1022.2 1027.0 1026.9 1027.0 DAY 1 21 27 4 13 21 1 28 21 31 12 13 MIN. QNH PRESSURE IN HPA 1012.1 1008.6 1007.6 1010.4 1008.3 1003.3 1000.0 1004.3 1008.0 1011.7 1006.0 1011.9 1000.0 DAY 12 5 14 22 7 6 20 1 2 19 29 31 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 893.7 893.1 891.8 891.2 888.9 886.3 881.9 885.3 889.5 893.0 898.0 897.2 890.8 MAX. QFE PRESSURE IN HPA 900.0 901.5 898.1 897.0 892.2 890.3 884.3 887.8 892.9 898.9 903.3 903.1 903.3 DAY 1 21 27 4 12 21 23 27 26 31 12 13 MIN. QFE PRESSURE IN HPA 889.3 885.9 885.5 887.8 884.5 881.8 878.5 882.8 885.5 887.7 884.3 889.0 878.5 DAY 30 5 11 5 7 6 19 1 18 18 29 31 MEAN QNH PRESSURE IN HPA 1015.4 1014.8 1013.3 1012.7 1010.1 1007.3 1002.3 1006.1 1010.7 1014.6 1020.2 1019.3 1012.2 MAX. QNH PRESSURE IN HPA 1022.4 1024.1 1020.3 1019.1 1013.8 1011.7 1005.0 1008.9 1014.5 1021.2 1026.1 1025.9 1026.1 DAY 1 21 27 4 12 21 23 27 26 31 12 13 MIN. QNH PRESSURE IN HPA 1010.6 1006.8 1006.3 1008.9 1005.2 1002.2 998.6 1003.3 1006.3 1008.8 1005.0 1010.2 998.6 DAY 30 5 11 5 7 6 19 1 18 18 29 31 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1976 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 894.4 893.9 892.2 891.5 888.8 886.1 881.7 885.3 889.7 893.4 898.5 897.8 891.1 MAX. QFE PRESSURE IN HPA 900.7 901.8 898.2 897.0 892.0 890.1 885.3 888.0 893.1 899.6 904.0 903.9 904.0 DAY 1 21 4 4 12 21 22 27 26 31 12 13 MIN. QFE PRESSURE IN HPA 890.0 887.0 885.0 888.0 884.2 881.5 878.5 882.8 885.6 888.3 885.6 890.2 878.5 DAY 30 23 11 5 7 6 19 1 18 18 29 31 MEAN QNH PRESSURE IN HPA 1016.2 1015.6 1013.8 1013.0 1009.9 1007.0 1002.1 1006.1 1011.0 1015.1 1020.8 1020.0 1012.6 MAX. QNH PRESSURE IN HPA 1023.2 1024.4 1020.4 1019.1 1013.5 1011.4 1006.1 1009.1 1014.8 1022.0 1026.9 1026.7 1026.9 DAY 1 21 4 4 12 21 22 27 26 31 12 13 MIN. QNH PRESSURE IN HPA 1011.3 1008.0 1005.8 1009.1 1004.9 1001.9 998.6 1003.3 1006.4 1009.4 1006.4 1011.6 998.6 DAY 30 23 11 5 7 6 19 1 18 18 29 31 MEAN QFF PRESSURE IN HPA 1015.1 1015.1 1011.4 1007.4 1001.3 997.2 991.3 996.6 1002.2 1008.6 1019.6 1019.7 1007.1 MAX. QFF PRESSURE IN HPA 1024.0 1026.0 1020.6 1017.0 1005.0 1002.3 996.1 1000.6 1006.2 1018.5 1027.0 1026.5 1027.0 DAY 1 21 3 4 12 21 22 27 26 31 12 13 MIN. QFF PRESSURE IN HPA 1008.3 1004.3 1003.6 1001.6 995.6 992.0 986.9 993.0 997.6 1002.0 1002.7 1008.5 986.9 DAY 24 10 17 18 7 6 19 1 18 18 29 31 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1977 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 8.0 15.6 24.4 24.8 31.3 36.5 36.8 34.2 29.7 25.4 17.2 13.7 24.8 MINIMUN AIR TEMPERATURE (C) 2.3 7.2 15.0 16.7 22.5 27.6 28.4 26.1 20.5 18.1 11.1 8.1 17.0 DAYS WITH MINIMUM TEMP. >=21 0 0 0 4 27 30 31 31 14 7 0 0 144 DAYS WITH MINIMUM TEMP. <=-4 1 0 0 0 0 0 0 0 0 0 0 0 1 DAYS WITH FREEZING MIN.<= 0 14 0 0 0 0 0 0 0 0 0 0 1 15 TEMPERATURE RECORDS LOWEST(C) -4.0 2.0 10.0 10.0 19.0 22.0 25.0 23.0 18.0 11.0 3.0 0.0 -4.0 DAY 10 1 1 4 1 1 6 7 8 29 29 31 MAXIMUM AIR TEMPERATURE (C) 12.7 21.1 30.2 29.6 36.0 40.9 41.3 38.5 34.2 31.7 24.6 20.5 30.1 DAYS WITH MAXIMUM TEMP. >=30 0 0 19 14 31 30 31 31 30 24 3 1 214 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 22.0 27.0 35.0 38.0 39.0 46.0 46.0 45.0 37.0 37.0 32.0 30.0 46.0 DAY 20 6 20 15 17 21 11 18 1 5 5 6 DIF. BETWEEN (MAX.-MIN.) (C) 10.4 13.9 15.2 12.9 13.5 13.3 12.9 12.4 13.7 13.6 13.5 12.4 13.1 MEAN DAILY TEMP. (MDT) (C) 7.5 14.1 22.6 23.1 29.2 34.3 34.9 32.3 27.4 24.9 17.8 14.3 23.5 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 61.5 86.0 255.0 398.5 429.5 350.5 191.0 136.0 11.0 1.5 1920.5 HEATING DEG. DAYS(BASE 18 0C) 325.0 109.5 0.0 6.0 0.0 0.0 0.0 0.0 0.0 3.0 44.0 127.5 615.0 DEWPOINT (MEAN C) -1.1 -0.8 3.3 7.3 8.4 9.4 12.9 11.8 5.9 6.5 3.1 0.8 5.6 MIXING RATIO (G/KG) 4.15 4.09 5.63 7.51 7.97 8.58 10.91 10.35 6.64 6.90 5.52 4.67 6.91 VAPOUR PRESSURE (HPA) 5.94 5.87 8.02 10.62 11.26 12.03 15.20 14.49 9.42 9.83 7.88 6.68 9.77 SATURATION DEF. (HPA) 5.39 12.86 23.79 22.52 35.59 50.65 48.62 40.73 33.70 26.13 15.53 11.93 27.29 RELATIVE HUMIDITY (MEAN %) 57 35 27 38 25 20 25 27 23 31 36 39 32 RELATIVE HUMIDITY (MAX. %) 77 49 40 55 37 28 34 36 29 42 50 53 44 RELATIVE HUMIDITY (MIN. %) 43 26 20 28 20 16 20 23 19 23 27 29 25 RELATIVE HUMIDITY (MEAN% 03UTC) 76 49 39 54 36 28 34 35 29 41 49 51 43 RELATIVE HUMIDITY (MEAN% 09UTC) 46 27 21 31 21 17 21 24 20 24 28 30 26 RELATIVE HUMIDITY (MEAN% 15UTC) 56 32 24 35 23 18 23 25 21 31 37 41 31 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 36.9 0.0 5.4 41.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3 3.4 87.0 DAYS WITH PRECIPITATION >=10 1 0 0 1 0 0 0 0 0 0 0 0 2 DAYS WITH PRECIPITATION >= 5 3 0 0 3 0 0 0 0 0 0 0 0 6 DAYS WITH PRECIPITATION >= 1 7 0 2 5 0 0 0 0 0 0 0 1 15 DAYS WITH PRECIPITATION 10 1 3 5 2 0 1 0 0 1 2 1 26 GREATEST DAILY PRECIPITATION 13.0 0.0 3.0 24.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3 3.4 24.0 DAY 22 ** 29 12 ** ** ** ** ** ** 7 24 DAY WITH THUNDER STORM 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH SNOW OR SLEET 2 0 0 0 0 0 0 0 0 0 0 0 2 DAYS WITH DUST 1 1 0 0 2 0 4 4 1 0 0 0 13 WIND DIRECTION (PREVAILING) 45 45 270 45 45 45 45 45 45 45 270 45 45 PREVAILING WIND SPEED(KNOTS) 5.4 4.8 6.6 5.4 5.6 6.6 6.1 7.0 5.8 6.0 6.4 5.4 5.8 PREVAILING WIND PERCENT 13.5 29.3 29.0 17.3 28.4 25.3 32.3 25.8 28.7 23.9 17.3 13.5 23.0 CALMS PERCENT OF WIND 49.7 26.4 22.6 36.0 23.9 19.3 18.1 9.7 18.7 32.3 45.3 58.7 30.1 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 56 347 294 311 356 360 10 352 357 334 326 305 352 VECTOR WIND MAGNITUDE(KNOTS) 0.6 0.9 1.4 0.7 1.5 3.5 3.7 4.2 2.9 0.9 0.5 0.5 1.6 WIND STEADINESES (MEAN %) 23.1 23.1 30.4 19.4 32.6 63.6 62.7 66.7 60.4 21.4 15.6 20.8 37.2 WIND SPEED (MEAN KNOTS) 2.6 3.9 4.6 3.6 4.6 5.5 5.9 6.3 4.8 4.2 3.2 2.4 4.3 FASTEST WIND DIRECTION 270 270 260 240 240 360 90 360 30 300 270 240 90 FASTEST WIND SPEED (KNOTS) 12 15 15 12 15 14 40 18 15 12 10 12 40 DAY 9 7 14 25 30 11 2 4 14 22 3 10 DAYS WITH SKY CLEAR (0-2)/8 9 23 14 13 27 28 28 28 29 24 26 15 264 DAYS WITH P.CLOUDY (3-6)/8 15 4 15 12 4 2 3 2 1 7 4 9 78 DAYS WITH CLOUDY (7-8)/8 7 1 2 5 0 0 0 1 0 0 0 7 23 DAYS WITH VISIBILITY =< 2 KM 1 0 0 0 0 0 1 0 0 0 0 0 2 DURATION OF SUNSHINE HOURS 182.2 267.6 237.2 ****** ****** ****** ****** ****** ****** 268.6 ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1977 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 896.1 898.1 895.7 891.2 890.4 885.1 882.2 886.6 892.5 895.9 896.8 897.1 892.3 MAX. QFE PRESSURE IN HPA 905.0 905.5 904.1 896.9 895.5 892.0 886.5 891.7 897.7 902.5 903.6 904.6 905.5 DAY-HOUR 11- 6 15- 6 10- 6 14- 6 14- 6 1- 6 20- 6 23- 6 30- 6 24- 6 27- 6 18- 6 MIN. QFE PRESSURE IN HPA 888.2 888.8 887.2 883.2 883.8 878.6 876.4 880.7 888.7 889.3 886.0 890.8 876.4 DAY-HOUR 17-12 25-15 30-12 7-15 25-15 23-15 2-12 18-12 3-12 5-12 17- 9 9-12 MEAN QNH PRESSURE IN HPA 1018.1 1020.3 1017.7 1012.7 1011.8 1005.9 1002.7 1007.5 1014.1 1017.8 1018.8 1019.2 1013.9 MAX. QNH PRESSURE IN HPA 1028.0 1028.5 1027.0 1019.0 1017.4 1013.5 1007.4 1013.2 1019.9 1025.2 1026.4 1027.5 1028.5 DAY-HOUR 11- 6 15- 6 10- 6 14- 6 14- 6 1- 6 20- 6 23- 6 30- 6 24- 6 27- 6 18- 6 MIN. QNH PRESSURE IN HPA 1009.3 1010.0 1008.2 1003.8 1004.4 998.7 996.2 1001.0 1009.9 1010.6 1006.9 1012.2 996.2 DAY-HOUR 17-12 25-15 30-12 7-15 25-15 23-15 2-12 18-12 3-12 5-12 17- 9 9-12 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 896.4 898.6 896.6 891.9 891.2 885.8 882.9 887.3 893.1 896.6 897.7 897.6 893.0 MAX. QFE PRESSURE IN HPA 904.1 904.5 903.7 895.6 894.7 891.2 886.0 891.1 896.8 901.3 903.1 903.0 904.5 DAY 11 15 10 18 14 7 20 24 25 24 28 18 MIN. QFE PRESSURE IN HPA 889.9 891.1 890.4 886.2 887.4 879.9 878.9 882.6 890.5 892.5 889.0 891.9 878.9 DAY 9 7 30 8 17 24 2 19 16 26 17 24 MEAN QNH PRESSURE IN HPA 1018.4 1020.9 1018.6 1013.4 1012.7 1006.7 1003.4 1008.3 1014.8 1018.7 1019.9 1019.7 1014.6 MAX. QNH PRESSURE IN HPA 1027.0 1027.4 1026.5 1017.5 1016.5 1012.7 1006.9 1012.5 1018.9 1023.9 1025.9 1025.7 1027.4 DAY 11 15 10 18 14 7 20 24 25 24 28 18 MIN. QNH PRESSURE IN HPA 1011.2 1012.5 1011.8 1007.1 1008.4 1000.1 999.0 1003.1 1011.9 1014.1 1010.2 1013.4 999.0 DAY 9 7 30 8 17 24 2 19 16 26 17 24 MEAN QFF PRESSURE IN HPA 1019.7 1019.4 1013.3 1007.4 1004.0 995.8 992.2 998.2 1007.1 1012.4 1016.8 1018.1 1008.7 MAX. QFF PRESSURE IN HPA 1030.6 1026.9 1022.6 1012.8 1008.6 1004.3 995.2 1003.2 1011.9 1019.6 1025.3 1025.0 1030.6 DAY 11 15 10 18 1 1 26 24 30 28 28 18 MIN. QFF PRESSURE IN HPA 1010.1 1008.1 1005.7 999.9 998.4 988.1 986.9 991.2 1002.6 1005.2 1007.7 1008.4 986.9 DAY 21 7 23 25 17 24 2 19 2 6 17 23 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1977 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 897.4 899.6 897.4 892.7 891.9 886.2 883.2 887.9 893.9 897.5 898.5 898.6 893.7 MAX. QFE PRESSURE IN HPA 905.0 905.5 904.1 896.9 895.5 892.0 886.5 891.7 897.7 902.5 903.6 904.6 905.5 DAY 11 15 10 14 14 1 20 23 30 24 27 18 MIN. QFE PRESSURE IN HPA 891.1 892.2 891.0 886.6 888.3 880.3 879.2 883.1 891.2 892.9 889.5 893.0 879.2 DAY 9 25 30 8 17 24 2 18 8 26 17 24 MEAN QNH PRESSURE IN HPA 1019.5 1022.0 1019.6 1014.3 1013.4 1007.1 1003.8 1008.9 1015.6 1019.6 1020.8 1020.9 1015.5 MAX. QNH PRESSURE IN HPA 1028.0 1028.5 1027.0 1019.0 1017.4 1013.5 1007.4 1013.2 1019.9 1025.2 1026.4 1027.5 1028.5 DAY 11 15 10 14 14 1 20 23 30 24 27 18 MIN. QNH PRESSURE IN HPA 1012.5 1013.8 1012.4 1007.6 1009.4 1000.6 999.3 1003.7 1012.7 1014.5 1010.8 1014.7 999.3 DAY 9 25 30 8 17 24 2 18 8 26 17 24 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 896.0 898.5 896.2 891.7 890.9 885.6 882.6 887.0 892.8 896.0 896.7 897.0 892.6 MAX. QFE PRESSURE IN HPA 903.0 904.6 902.0 896.1 894.5 890.6 885.4 890.8 896.6 901.0 902.2 903.0 904.6 DAY 11 15 10 14 14 6 20 23 30 24 27 18 MIN. QFE PRESSURE IN HPA 889.2 891.2 889.9 885.4 887.3 879.7 878.4 882.1 890.1 891.0 886.0 892.1 878.4 DAY 17 7 30 8 25 23 2 18 15 26 17 9 MEAN QNH PRESSURE IN HPA 1018.0 1020.7 1018.2 1013.2 1012.4 1006.5 1003.2 1008.0 1014.4 1018.0 1018.8 1019.1 1014.2 MAX. QNH PRESSURE IN HPA 1025.7 1027.5 1024.6 1018.1 1016.3 1012.0 1006.2 1012.2 1018.7 1023.5 1024.9 1025.7 1027.5 DAY 11 15 10 14 14 6 20 23 30 24 27 18 MIN. QNH PRESSURE IN HPA 1010.4 1012.7 1011.2 1006.2 1008.3 999.9 998.5 1002.6 1011.4 1012.4 1006.9 1013.7 998.5 DAY 17 7 30 8 25 23 2 18 15 26 17 9 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 894.9 896.7 894.1 889.9 889.2 884.1 881.3 885.4 891.4 894.5 895.3 895.9 891.1 MAX. QFE PRESSURE IN HPA 902.2 902.5 899.2 894.8 892.8 889.4 884.0 889.1 895.3 899.4 901.0 901.9 902.5 DAY 11 15 9 14 14 6 21 23 30 28 27 18 MIN. QFE PRESSURE IN HPA 888.2 889.1 887.2 883.7 884.1 878.8 876.4 880.7 888.7 889.3 886.6 890.8 876.4 DAY 17 25 30 8 25 23 2 18 3 5 17 9 MEAN QNH PRESSURE IN HPA 1016.8 1018.7 1015.9 1011.2 1010.4 1004.8 1001.7 1006.2 1012.8 1016.3 1017.2 1017.8 1012.5 MAX. QNH PRESSURE IN HPA 1024.9 1025.2 1021.5 1016.7 1014.4 1010.7 1004.7 1010.3 1017.2 1021.8 1023.5 1024.5 1025.2 DAY 11 15 9 14 14 6 21 23 30 28 27 18 MIN. QNH PRESSURE IN HPA 1009.3 1010.3 1008.2 1004.3 1004.8 998.9 996.2 1001.0 1009.9 1010.6 1007.6 1012.2 996.2 DAY 17 25 30 8 25 23 2 18 3 5 17 9 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1977 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 895.7 897.0 894.5 889.9 889.0 883.8 881.2 885.4 891.6 894.8 895.7 896.5 891.3 MAX. QFE PRESSURE IN HPA 902.5 902.9 900.5 894.9 893.4 889.2 883.8 889.1 895.6 899.6 901.6 902.7 902.9 DAY 11 15 9 14 28 6 21 23 30 28 27 18 MIN. QFE PRESSURE IN HPA 888.9 888.8 887.2 883.2 883.8 878.6 877.2 881.4 888.7 889.7 887.8 891.5 877.2 DAY 17 25 30 7 25 23 2 18 7 5 17 22 MEAN QNH PRESSURE IN HPA 1017.6 1019.1 1016.3 1011.2 1010.3 1004.5 1001.5 1006.2 1013.1 1016.6 1017.7 1018.5 1012.7 MAX. QNH PRESSURE IN HPA 1025.2 1025.6 1023.0 1016.8 1015.1 1010.4 1004.4 1010.3 1017.5 1022.0 1024.2 1025.4 1025.6 DAY 11 15 9 14 28 6 21 23 30 28 27 18 MIN. QNH PRESSURE IN HPA 1010.1 1010.0 1008.2 1003.8 1004.4 998.7 997.1 1001.8 1009.9 1011.0 1008.9 1013.0 997.1 DAY 17 25 30 7 25 23 2 18 7 5 17 22 MEAN QFF PRESSURE IN HPA 1019.0 1017.4 1010.9 1005.1 1001.5 993.5 990.2 996.0 1005.3 1010.3 1014.5 1016.8 1006.7 MAX. QFF PRESSURE IN HPA 1028.8 1025.0 1019.0 1010.5 1006.4 1000.1 993.1 1000.3 1010.2 1019.2 1022.5 1024.4 1028.8 DAY 10 15 9 2 28 6 22 23 30 28 27 18 MIN. QFF PRESSURE IN HPA 1009.3 1006.0 1002.0 997.8 995.1 986.3 985.9 990.3 1001.0 1003.0 1006.9 1008.3 985.9 DAY 7 25 30 7 25 23 2 18 1 5 17 22 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1978 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 10.7 13.3 19.3 25.4 29.2 33.3 32.8 31.6 28.5 23.6 16.8 15.7 23.4 MINIMUN AIR TEMPERATURE (C) 4.8 7.3 11.4 19.1 22.1 26.5 27.4 25.0 21.5 17.0 9.4 9.3 16.7 DAYS WITH MINIMUM TEMP. >=21 0 0 0 11 21 30 31 30 18 1 1 0 143 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 5 0 0 0 0 0 0 0 0 0 0 0 5 TEMPERATURE RECORDS LOWEST(C) -3.0 2.0 5.0 13.0 15.0 21.0 24.0 20.0 17.0 14.0 2.0 1.0 -3.0 DAY 16 7 21 17 4 3 9 24 29 7 29 20 MAXIMUM AIR TEMPERATURE (C) 18.0 20.3 23.7 32.1 35.9 39.8 38.2 37.8 35.7 31.5 21.4 23.5 29.8 DAYS WITH MAXIMUM TEMP. >=30 0 0 3 24 29 30 31 31 30 24 2 5 209 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 25.0 28.0 30.0 37.0 41.0 45.0 45.0 40.0 42.0 36.0 32.0 32.0 45.0 DAY 5 19 12 11 23 28 1 7 2 20 1 9 DIF. BETWEEN (MAX.-MIN.) (C) 13.2 13.0 12.3 13.0 13.8 13.3 10.8 12.8 14.2 14.5 12.0 14.2 13.1 MEAN DAILY TEMP. (MDT) (C) 11.4 13.8 17.6 25.6 29.0 33.2 32.8 31.4 28.6 24.2 15.4 16.4 23.3 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 14.5 139.0 248.5 365.0 364.5 323.0 227.5 100.5 9.0 13.0 1804.5 HEATING DEG. DAYS(BASE 18 0C) 205.0 125.0 58.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 101.5 91.5 581.5 DEWPOINT (MEAN C) 0.1 1.8 3.8 7.0 13.4 9.9 11.3 7.2 5.4 4.7 3.4 0.6 5.7 MIXING RATIO (G/KG) 4.51 4.97 5.75 7.19 11.34 8.91 9.84 7.30 6.61 6.09 5.72 4.69 6.91 VAPOUR PRESSURE (HPA) 6.44 7.09 8.18 10.18 15.90 12.49 13.76 10.28 9.36 8.70 8.17 6.71 9.77 SATURATION DEF. (HPA) 9.16 11.29 15.46 27.43 32.40 47.07 42.07 43.90 37.11 26.55 12.07 14.83 26.61 RELATIVE HUMIDITY (MEAN %) 44 42 39 29 35 22 25 20 21 26 44 34 32 RELATIVE HUMIDITY (MAX. %) 59 56 56 39 46 29 32 26 27 35 59 49 43 RELATIVE HUMIDITY (MIN. %) 35 33 29 22 30 18 21 16 17 21 33 24 25 RELATIVE HUMIDITY (MEAN% 03UTC) 58 54 54 39 46 29 31 26 27 34 56 44 42 RELATIVE HUMIDITY (MEAN% 09UTC) 38 34 31 23 31 19 22 17 18 21 35 26 26 RELATIVE HUMIDITY (MEAN% 15UTC) 44 42 38 28 33 21 25 19 21 27 48 42 32 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 2.3 2.8 28.4 0.0 0.0 0.0 2.0 0.0 0.0 0.0 11.2 0.5 47.2 DAYS WITH PRECIPITATION >=10 0 0 1 0 0 0 0 0 0 0 0 0 1 DAYS WITH PRECIPITATION >= 5 0 0 2 0 0 0 0 0 0 0 0 0 2 DAYS WITH PRECIPITATION >= 1 1 1 2 0 0 0 1 0 0 0 3 0 8 DAYS WITH PRECIPITATION 2 4 3 0 0 0 1 0 0 0 6 3 19 GREATEST DAILY PRECIPITATION 2.0 2.0 20.0 0.0 0.0 0.0 2.0 0.0 0.0 0.0 4.0 0.5 20.0 DAY 12 22 8 ** ** ** 1 ** ** ** 14 15 DAY WITH THUNDER STORM 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 0 0 4 1 8 7 5 2 1 0 1 1 30 WIND DIRECTION (PREVAILING) 270 45 270 270 45 45 45 45 45 270 270 270 45 PREVAILING WIND SPEED(KNOTS) 6.3 7.0 6.1 6.5 5.8 6.0 6.8 5.9 5.6 7.0 5.3 6.7 6.0 PREVAILING WIND PERCENT 18.1 17.9 16.8 20.7 17.4 24.7 21.9 25.2 24.0 20.0 17.3 16.8 17.9 CALMS PERCENT OF WIND 39.4 42.9 36.1 36.0 37.4 30.7 25.8 31.0 32.7 43.9 51.3 55.5 38.5 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 331 355 310 287 328 348 348 352 345 333 358 281 335 VECTOR WIND MAGNITUDE(KNOTS) 1.0 0.9 1.4 1.9 0.9 2.2 3.7 3.1 2.2 1.7 0.7 1.0 1.6 WIND STEADINESES (MEAN %) 27.8 25.0 34.1 46.3 24.3 50.0 72.5 70.5 51.2 47.2 25.9 34.5 41.0 WIND SPEED (MEAN KNOTS) 3.6 3.6 4.1 4.1 3.7 4.4 5.1 4.4 4.3 3.6 2.7 2.9 3.9 FASTEST WIND DIRECTION 270 30 270 30 60 240 300 360 360 360 360 240 270 FASTEST WIND SPEED (KNOTS) 15 12 15 14 12 12 15 15 14 12 10 15 15 DAY 21 4 13 16 19 1 7 30 13 11 5 3 DAYS WITH SKY CLEAR (0-2)/8 21 18 18 13 28 25 24 30 30 29 18 22 276 DAYS WITH P.CLOUDY (3-6)/8 5 7 9 12 3 5 7 1 0 2 10 5 66 DAYS WITH CLOUDY (7-8)/8 5 3 4 5 0 0 0 0 0 0 2 4 23 DAYS WITH VISIBILITY =< 2 KM 0 0 0 0 0 0 0 0 0 0 0 0 0 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1978 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 897.4 895.8 893.5 891.0 889.3 885.3 885.0 886.1 890.8 896.8 897.9 897.3 892.2 MAX. QFE PRESSURE IN HPA 905.3 904.9 899.2 897.4 896.7 893.3 891.8 889.8 896.6 901.3 907.8 905.7 907.8 DAY-HOUR 13- 6 6- 6 9- 6 6- 6 4- 6 5- 6 9- 3 25- 6 29- 6 24- 6 26- 6 25- 6 MIN. QFE PRESSURE IN HPA 886.9 888.4 885.2 884.9 879.8 874.1 877.9 882.0 882.5 889.5 890.4 888.5 874.1 DAY-HOUR 21-15 12-12 15-12 19-12 30-15 22-12 2-15 7-12 2-12 1-12 11-12 15- 9 MEAN QNH PRESSURE IN HPA 1019.5 1017.8 1015.2 1012.4 1010.6 1006.1 1005.8 1007.0 1012.2 1018.9 1020.0 1019.4 1013.7 MAX. QNH PRESSURE IN HPA 1028.3 1027.9 1021.5 1019.5 1018.8 1015.0 1013.3 1011.1 1018.7 1023.9 1031.1 1028.7 1031.1 DAY-HOUR 13- 6 6- 6 9- 6 6- 6 4- 6 5- 6 9- 3 25- 6 29- 6 24- 6 26- 6 25- 6 MIN. QNH PRESSURE IN HPA 1007.9 1009.6 1006.0 1005.7 1000.0 993.7 997.9 1002.5 1003.0 1010.8 1011.8 1009.7 993.7 DAY-HOUR 21-15 12-12 15-12 19-12 30-15 22-12 2-15 7-12 2-12 1-12 11-12 15- 9 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 897.8 896.4 894.1 891.7 890.2 886.1 885.8 886.8 891.6 897.5 898.3 897.8 892.8 MAX. QFE PRESSURE IN HPA 903.9 903.5 898.3 896.5 896.0 893.1 891.8 889.6 895.9 900.7 907.1 904.6 907.1 DAY 13 6 9 6 3 5 9 25 28 11 6 25 MIN. QFE PRESSURE IN HPA 888.7 888.5 888.8 886.3 882.2 879.3 880.2 884.3 884.9 891.0 891.9 888.8 879.3 DAY 26 12 15 20 30 22 2 8 2 1 13 17 MEAN QNH PRESSURE IN HPA 1020.0 1018.4 1015.9 1013.2 1011.5 1007.0 1006.7 1007.8 1013.1 1019.6 1020.6 1020.0 1014.5 MAX. QNH PRESSURE IN HPA 1026.7 1026.3 1020.5 1018.5 1018.0 1014.8 1013.3 1010.9 1017.9 1023.2 1030.3 1027.5 1030.3 DAY 13 6 9 6 3 5 9 25 28 11 6 25 MIN. QNH PRESSURE IN HPA 1009.9 1009.7 1010.0 1007.2 1002.7 999.5 1000.5 1005.0 1005.7 1012.4 1013.4 1010.0 999.5 DAY 26 12 15 20 30 22 2 8 2 1 13 17 MEAN QFF PRESSURE IN HPA 1019.6 1016.8 1012.3 1006.1 1002.8 996.6 996.2 998.2 1004.9 1013.8 1018.1 1017.8 1008.6 MAX. QFF PRESSURE IN HPA 1027.9 1026.9 1020.5 1012.2 1012.3 1005.6 1004.5 1001.8 1011.4 1017.7 1029.8 1027.9 1029.8 DAY 17 6 9 6 4 5 9 25 29 24 27 25 MIN. QFF PRESSURE IN HPA 1008.7 1006.3 1002.9 999.1 993.0 988.3 989.4 995.1 996.1 1005.6 1009.8 1007.1 988.3 DAY 26 12 13 20 30 22 3 18 2 1 1 17 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1978 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 898.9 897.2 895.1 892.6 890.9 886.4 886.1 887.2 892.1 898.2 899.1 898.6 893.5 MAX. QFE PRESSURE IN HPA 905.3 904.9 899.2 897.4 896.7 893.3 891.7 889.8 896.6 901.3 907.8 905.7 907.8 DAY 13 6 9 6 4 5 8 25 29 24 26 25 MIN. QFE PRESSURE IN HPA 889.0 889.4 888.9 887.5 882.5 879.2 880.2 884.3 884.7 891.6 893.0 889.2 879.2 DAY 26 12 15 19 30 22 2 8 2 1 20 17 MEAN QNH PRESSURE IN HPA 1021.2 1019.3 1017.0 1014.2 1012.3 1007.4 1007.0 1008.3 1013.7 1020.4 1021.4 1020.9 1015.2 MAX. QNH PRESSURE IN HPA 1028.3 1027.9 1021.5 1019.5 1018.8 1015.0 1013.2 1011.1 1018.7 1023.9 1031.1 1028.7 1031.1 DAY 13 6 9 6 4 5 8 25 29 24 26 25 MIN. QNH PRESSURE IN HPA 1010.2 1010.7 1010.1 1008.6 1003.0 999.3 1000.5 1005.0 1005.4 1013.1 1014.7 1010.4 999.3 DAY 26 12 15 19 30 22 2 8 2 1 20 17 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 897.6 896.1 893.9 891.6 890.0 885.8 885.5 886.4 891.0 896.9 897.9 897.0 892.5 MAX. QFE PRESSURE IN HPA 904.1 902.2 898.1 895.9 895.8 892.4 891.1 888.9 895.2 900.3 906.2 903.9 906.2 DAY 13 6 9 6 3 5 8 21 29 11 26 24 MIN. QFE PRESSURE IN HPA 888.5 889.0 887.1 887.1 881.6 877.7 879.8 884.0 883.2 890.7 891.9 888.5 877.7 DAY 26 12 15 19 30 22 2 8 2 1 11 15 MEAN QNH PRESSURE IN HPA 1019.8 1018.1 1015.6 1013.1 1011.3 1006.6 1006.4 1007.3 1012.4 1019.0 1020.1 1019.0 1014.1 MAX. QNH PRESSURE IN HPA 1027.0 1024.9 1020.3 1017.9 1017.8 1014.0 1012.5 1010.1 1017.1 1022.8 1029.3 1026.7 1029.3 DAY 13 6 9 6 3 5 8 21 29 11 26 24 MIN. QNH PRESSURE IN HPA 1009.7 1010.2 1008.1 1008.1 1002.0 997.7 1000.0 1004.7 1003.8 1012.1 1013.4 1009.7 997.7 DAY 26 12 15 19 30 22 2 8 2 1 11 15 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 896.1 894.5 892.1 889.3 887.9 884.2 883.8 885.0 889.6 895.6 896.7 896.1 890.9 MAX. QFE PRESSURE IN HPA 901.6 901.3 895.7 892.5 894.0 890.5 889.8 888.1 893.2 898.4 904.8 902.9 904.8 DAY 13 6 9 6 4 5 8 21 29 10 26 24 MIN. QFE PRESSURE IN HPA 887.4 888.4 885.2 884.9 879.9 874.1 878.0 882.0 882.5 889.5 890.4 888.8 874.1 DAY 21 12 15 19 30 22 2 7 2 1 11 15 MEAN QNH PRESSURE IN HPA 1018.1 1016.3 1013.6 1010.6 1009.0 1004.9 1004.5 1005.8 1010.8 1017.5 1018.7 1018.1 1012.3 MAX. QNH PRESSURE IN HPA 1024.2 1023.9 1017.7 1014.1 1015.8 1011.9 1011.1 1009.2 1014.9 1020.6 1027.7 1025.6 1027.7 DAY 13 6 9 6 4 5 8 21 29 10 26 24 MIN. QNH PRESSURE IN HPA 1008.4 1009.6 1006.0 1005.7 1000.1 993.7 998.0 1002.5 1003.0 1010.8 1011.8 1010.0 993.7 DAY 21 12 15 19 30 22 2 7 2 1 11 15 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1978 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 896.6 895.2 892.6 889.7 887.8 883.9 883.7 885.0 889.8 896.0 897.4 897.0 891.2 MAX. QFE PRESSURE IN HPA 901.9 901.6 896.5 892.7 894.3 890.1 889.8 888.4 894.0 898.9 906.0 903.4 906.0 DAY 13 6 8 2 4 5 8 21 28 8 26 24 MIN. QFE PRESSURE IN HPA 886.9 890.1 886.2 885.5 879.8 874.1 877.9 882.8 882.8 890.4 891.2 889.3 874.1 DAY 21 25 15 19 30 22 2 5 2 1 11 16 MEAN QNH PRESSURE IN HPA 1018.7 1017.1 1014.2 1011.0 1008.8 1004.6 1004.3 1005.8 1011.1 1018.0 1019.6 1019.1 1012.7 MAX. QNH PRESSURE IN HPA 1024.5 1024.2 1018.5 1014.3 1016.1 1011.4 1011.1 1009.6 1015.8 1021.2 1029.1 1026.2 1029.1 DAY 13 6 8 2 4 5 8 21 28 8 26 24 MIN. QNH PRESSURE IN HPA 1007.9 1011.4 1007.1 1006.3 1000.0 993.7 997.9 1003.3 1003.3 1011.8 1012.7 1010.6 993.7 DAY 21 25 15 19 30 22 2 5 2 1 11 16 MEAN QFF PRESSURE IN HPA 1018.2 1015.3 1010.5 1003.8 999.8 994.1 993.7 996.0 1002.9 1012.1 1017.1 1016.7 1006.7 MAX. QFF PRESSURE IN HPA 1027.6 1025.4 1017.9 1009.0 1010.1 1002.0 1001.7 999.9 1009.5 1016.9 1029.0 1025.6 1029.0 DAY 16 6 8 2 4 5 8 21 29 6 26 24 MIN. QFF PRESSURE IN HPA 1004.5 1007.9 999.8 998.9 990.0 982.3 985.9 992.7 993.4 1004.8 1007.4 1008.5 982.3 DAY 21 21 13 19 30 22 2 18 2 1 2 16 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1979 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 11.6 14.0 15.6 25.1 26.1 33.6 33.7 30.3 27.6 25.1 16.0 11.8 22.5 MINIMUN AIR TEMPERATURE (C) 6.3 7.6 10.0 18.5 19.4 27.0 27.1 24.2 20.8 18.9 9.7 6.4 16.3 DAYS WITH MINIMUM TEMP. >=21 0 0 0 11 15 30 31 29 18 6 0 0 140 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 3 0 2 0 0 0 0 0 0 0 0 3 8 TEMPERATURE RECORDS LOWEST(C) -3.0 1.0 -1.0 8.0 10.0 21.0 23.0 19.0 15.0 16.0 4.0 -1.0 -3.0 DAY 28 1 6 30 1 2 1 24 28 22 24 25 MAXIMUM AIR TEMPERATURE (C) 18.0 21.3 21.6 32.2 33.0 39.7 39.9 36.5 34.5 33.1 24.0 19.0 29.4 DAYS WITH MAXIMUM TEMP. >=30 0 0 1 22 25 30 31 31 30 29 3 0 202 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 26.0 28.0 31.0 39.0 39.0 45.0 44.0 42.0 40.0 38.0 32.0 26.0 45.0 DAY 7 28 26 23 23 25 9 1 14 6 3 7 DIF. BETWEEN (MAX.-MIN.) (C) 11.7 13.7 11.6 13.7 13.6 12.7 12.8 12.3 13.7 14.2 14.3 12.6 13.1 MEAN DAILY TEMP. (MDT) (C) 12.1 14.5 15.8 25.4 26.2 33.3 33.5 30.3 27.6 26.0 16.9 12.7 22.9 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 6.0 154.5 162.5 370.5 387.0 289.5 199.5 155.0 11.5 0.0 1736.0 HEATING DEG. DAYS(BASE 18 0C) 176.5 101.0 102.5 6.0 0.0 0.0 0.0 0.0 0.0 0.0 69.5 160.0 615.5 DEWPOINT (MEAN C) 0.7 1.4 2.3 4.6 6.0 7.8 6.0 5.2 2.9 7.6 -2.4 0.8 3.6 MIXING RATIO (G/KG) 4.73 4.86 5.38 6.14 6.83 7.61 6.80 6.41 5.44 7.46 4.02 4.65 5.86 VAPOUR PRESSURE (HPA) 6.76 6.93 7.64 8.73 9.68 10.74 9.58 9.05 7.74 10.62 5.75 6.65 8.32 SATURATION DEF. (HPA) 9.17 12.02 13.59 30.10 29.81 48.96 51.17 39.88 35.70 27.19 16.70 9.64 26.99 RELATIVE HUMIDITY (MEAN %) 46 40 39 26 27 19 16 19 19 30 26 44 29 RELATIVE HUMIDITY (MAX. %) 60 58 52 33 37 27 23 26 25 38 36 56 39 RELATIVE HUMIDITY (MIN. %) 34 29 31 20 20 15 13 15 15 23 20 34 22 RELATIVE HUMIDITY (MEAN% 03UTC) 57 56 50 31 37 27 23 25 25 37 34 53 38 RELATIVE HUMIDITY (MEAN% 09UTC) 38 32 33 22 21 16 14 17 16 23 20 36 24 RELATIVE HUMIDITY (MEAN% 15UTC) 48 42 42 26 25 18 15 17 20 33 30 47 30 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 18.3 27.4 4.6 5.0 0.3 1.0 0.0 0.0 1.0 0.5 0.0 6.4 64.5 DAYS WITH PRECIPITATION >=10 1 2 0 0 0 0 0 0 0 0 0 0 3 DAYS WITH PRECIPITATION >= 5 1 2 0 0 0 0 0 0 0 0 0 1 4 DAYS WITH PRECIPITATION >= 1 2 4 3 2 0 1 0 0 1 0 0 1 14 DAYS WITH PRECIPITATION 2 5 5 3 1 1 0 0 1 2 0 2 22 GREATEST DAILY PRECIPITATION 15.3 13.0 2.0 3.0 0.3 1.0 0.0 0.0 1.0 0.3 0.0 6.0 15.3 DAY 11 11 10 29 10 4 ** ** 21 27 ** 30 DAY WITH THUNDER STORM 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH SNOW OR SLEET 0 0 1 0 0 0 0 0 0 0 0 0 1 DAYS WITH DUST 0 0 1 5 2 2 3 2 1 0 0 0 16 WIND DIRECTION (PREVAILING) 270 45 270 270 45 45 315 360 45 45 45 270 45 PREVAILING WIND SPEED(KNOTS) 5.7 4.8 7.1 6.2 5.3 5.7 7.3 7.6 6.0 5.1 5.3 5.7 5.5 PREVAILING WIND PERCENT 14.9 20.0 21.3 23.3 23.2 22.7 24.5 32.9 25.3 17.4 20.7 18.2 19.6 CALMS PERCENT OF WIND 48.7 30.7 32.3 34.0 18.7 31.3 23.2 11.6 18.0 49.7 49.3 40.3 32.3 NO. OF WIND OBSERVATION 154 140 155 150 155 150 155 155 150 155 150 154 1823 VECTOR WIND DIRECTION (MEAN) 307 308 329 319 332 354 343 353 350 325 350 332 340 VECTOR WIND MAGNITUDE(KNOTS) 0.8 0.7 1.5 1.3 2.0 2.5 3.5 4.3 2.9 0.9 0.9 0.9 1.8 WIND STEADINESES (MEAN %) 29.6 19.4 36.6 34.2 40.8 59.5 71.4 72.9 58.0 33.3 33.3 27.3 45.0 WIND SPEED (MEAN KNOTS) 2.7 3.6 4.1 3.8 4.9 4.2 4.9 5.9 5.0 2.7 2.7 3.3 4.0 FASTEST WIND DIRECTION 270 270 270 240 270 330 360 360 360 330 360 290 270 FASTEST WIND SPEED (KNOTS) 12 20 15 15 15 15 15 14 12 10 12 15 20 DAY 7 9 21 16 2 11 1 3 4 25 5 13 DAYS WITH SKY CLEAR (0-2)/8 17 21 13 23 17 25 29 27 29 25 25 17 268 DAYS WITH P.CLOUDY (3-6)/8 11 6 12 6 13 5 2 4 1 6 5 12 83 DAYS WITH CLOUDY (7-8)/8 3 1 6 1 1 0 0 0 0 0 0 2 14 DAYS WITH VISIBILITY =< 2 KM 0 0 0 0 0 0 0 0 0 0 0 0 0 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1979 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 897.1 893.6 893.5 893.1 892.6 888.0 885.9 888.1 893.3 896.5 899.1 896.9 893.1 MAX. QFE PRESSURE IN HPA 905.8 900.1 903.2 900.9 899.3 896.8 890.3 895.7 897.1 902.8 905.9 906.3 906.3 DAY-HOUR 18- 6 2- 6 5- 6 18- 6 20- 6 5- 6 21- 6 31- 6 30- 6 21- 6 13- 6 23- 6 MIN. QFE PRESSURE IN HPA 888.3 886.7 884.5 886.8 885.5 880.6 880.9 882.7 887.4 890.5 887.9 888.0 880.6 DAY-HOUR 11-12 11-12 31-12 12-12 8-15 22-15 6-15 1-15 5-12 4-12 29-12 16-12 MEAN QNH PRESSURE IN HPA 1019.2 1015.3 1015.2 1014.8 1014.2 1009.1 1006.8 1009.2 1014.9 1018.5 1021.4 1019.0 1014.8 MAX. QNH PRESSURE IN HPA 1028.9 1022.5 1026.0 1023.4 1021.6 1018.9 1011.7 1017.7 1019.2 1025.5 1029.0 1029.4 1029.4 DAY-HOUR 18- 6 2- 6 5- 6 18- 6 20- 6 5- 6 21- 6 31- 6 30- 6 21- 6 13- 6 23- 6 MIN. QNH PRESSURE IN HPA 1009.4 1007.7 1005.2 1007.8 1006.3 1000.9 1001.2 1003.2 1008.4 1011.9 1009.0 1009.1 1000.9 DAY-HOUR 11-12 11-12 31-12 12-12 8-15 22-15 6-15 1-15 5-12 4-12 29-12 16-12 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 897.6 894.2 894.1 894.0 893.3 888.9 886.7 888.7 893.9 897.3 899.9 897.6 893.9 MAX. QFE PRESSURE IN HPA 904.8 899.5 901.9 900.2 898.3 896.3 890.1 895.1 896.4 901.8 905.0 905.5 905.5 DAY 18 2 7 18 20 5 22 29 28 21 13 23 MIN. QFE PRESSURE IN HPA 890.6 887.6 885.4 888.6 889.0 883.0 883.0 884.5 890.3 893.7 891.9 888.9 883.0 DAY 11 11 31 29 6 23 6 1 5 27 30 16 MEAN QNH PRESSURE IN HPA 1019.7 1016.0 1015.9 1015.7 1015.0 1010.2 1007.7 1009.9 1015.7 1019.4 1022.3 1019.8 1015.6 MAX. QNH PRESSURE IN HPA 1027.7 1021.9 1024.5 1022.6 1020.5 1018.3 1011.4 1017.0 1018.4 1024.4 1028.0 1028.5 1028.5 DAY 18 2 7 18 20 5 22 29 28 21 13 23 MIN. QNH PRESSURE IN HPA 1012.0 1008.7 1006.2 1009.8 1010.2 1003.6 1003.6 1005.2 1011.7 1015.4 1013.4 1010.1 1003.6 DAY 11 11 31 29 6 23 6 1 5 27 30 16 MEAN QFF PRESSURE IN HPA 1018.8 1014.3 1013.0 1009.1 1007.7 999.6 997.1 1000.6 1008.1 1012.9 1020.1 1018.9 1010.0 MAX. QFF PRESSURE IN HPA 1026.6 1021.6 1026.9 1017.8 1014.6 1008.1 1001.0 1009.2 1012.6 1018.6 1027.7 1031.3 1031.3 DAY 28 2 5 18 11 5 4 31 29 21 25 23 MIN. QFF PRESSURE IN HPA 1008.3 1004.7 1000.4 1001.9 1001.5 991.9 991.9 994.2 1004.2 1007.8 1008.8 1007.0 991.9 DAY 11 11 28 17 6 22 6 1 21 5 30 16 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1979 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 898.7 895.0 894.8 894.6 893.8 889.2 887.0 889.3 894.4 898.0 900.6 898.4 894.5 MAX. QFE PRESSURE IN HPA 905.8 900.1 903.2 900.9 899.3 896.8 890.3 895.7 897.1 902.8 905.9 906.3 906.3 DAY 18 2 5 18 20 5 21 31 30 21 13 23 MIN. QFE PRESSURE IN HPA 892.6 889.9 886.0 888.9 889.3 883.5 883.1 885.5 890.5 894.1 892.4 890.8 883.1 DAY 7 17 31 17 6 22 6 1 5 5 29 16 MEAN QNH PRESSURE IN HPA 1021.0 1016.9 1016.7 1016.4 1015.6 1010.5 1008.0 1010.6 1016.3 1020.2 1023.1 1020.7 1016.3 MAX. QNH PRESSURE IN HPA 1028.9 1022.5 1026.0 1023.4 1021.6 1018.9 1011.7 1017.7 1019.2 1025.5 1029.0 1029.4 1029.4 DAY 18 2 5 18 20 5 21 31 30 21 13 23 MIN. QNH PRESSURE IN HPA 1014.2 1011.2 1006.9 1010.1 1010.6 1004.1 1003.7 1006.3 1011.9 1015.9 1014.0 1012.2 1003.7 DAY 7 17 31 17 6 22 6 1 5 5 29 16 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 897.0 893.6 893.7 893.3 892.8 888.4 886.2 888.6 893.4 896.3 898.9 896.7 893.3 MAX. QFE PRESSURE IN HPA 903.6 898.9 901.6 899.1 898.1 895.5 889.6 895.3 895.8 901.7 904.3 904.4 904.4 DAY 18 2 5 18 20 5 21 31 30 21 13 23 MIN. QFE PRESSURE IN HPA 890.2 889.8 885.2 888.6 887.5 882.3 882.5 884.5 888.9 892.4 890.8 889.9 882.3 DAY 11 12 31 17 6 22 6 1 5 5 30 16 MEAN QNH PRESSURE IN HPA 1019.1 1015.4 1015.4 1015.0 1014.5 1009.5 1007.1 1009.8 1015.1 1018.3 1021.2 1018.8 1014.9 MAX. QNH PRESSURE IN HPA 1026.4 1021.2 1024.2 1021.4 1020.3 1017.4 1010.9 1017.2 1017.8 1024.3 1027.2 1027.3 1027.3 DAY 18 2 5 18 20 5 21 31 30 21 13 23 MIN. QNH PRESSURE IN HPA 1011.6 1011.1 1006.0 1009.8 1008.6 1002.8 1003.0 1005.2 1010.1 1014.0 1012.2 1011.2 1002.8 DAY 11 12 31 17 6 22 6 1 5 5 30 16 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 895.9 892.2 892.2 891.6 891.4 886.8 884.8 887.1 892.1 895.1 897.8 895.5 891.9 MAX. QFE PRESSURE IN HPA 903.1 898.1 900.1 898.1 896.3 893.2 887.7 893.8 894.6 900.1 903.7 902.6 903.7 DAY 18 13 5 18 27 5 21 29 30 21 13 22 MIN. QFE PRESSURE IN HPA 888.3 886.7 884.5 886.8 885.9 881.2 881.4 882.9 887.4 890.5 887.9 888.0 881.2 DAY 11 11 31 12 8 22 6 6 5 4 29 16 MEAN QNH PRESSURE IN HPA 1017.9 1013.7 1013.8 1013.1 1012.9 1007.7 1005.6 1008.1 1013.7 1017.0 1020.0 1017.5 1013.4 MAX. QNH PRESSURE IN HPA 1025.9 1020.3 1022.5 1020.3 1018.3 1014.9 1008.8 1015.5 1016.4 1022.5 1026.5 1025.3 1026.5 DAY 18 13 5 18 27 5 21 29 30 21 13 22 MIN. QNH PRESSURE IN HPA 1009.4 1007.7 1005.2 1007.8 1006.8 1001.6 1001.8 1003.5 1008.4 1011.9 1009.0 1009.1 1001.6 DAY 11 11 31 12 8 22 6 6 5 4 29 16 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1979 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 896.4 892.8 892.6 892.1 891.7 886.6 884.9 886.9 892.4 895.7 898.4 896.3 892.2 MAX. QFE PRESSURE IN HPA 903.8 899.0 901.0 898.3 896.6 893.5 887.9 893.6 895.1 900.4 904.1 903.1 904.1 DAY 18 1 5 18 27 5 21 29 30 21 13 22 MIN. QFE PRESSURE IN HPA 888.7 887.1 885.9 887.4 885.5 880.6 880.9 882.7 887.9 891.1 889.0 889.4 880.6 DAY 11 11 31 12 8 22 6 1 5 4 29 20 MEAN QNH PRESSURE IN HPA 1018.4 1014.5 1014.2 1013.6 1013.2 1007.6 1005.6 1007.9 1014.0 1017.7 1020.6 1018.4 1013.8 MAX. QNH PRESSURE IN HPA 1026.6 1021.3 1023.5 1020.5 1018.7 1015.2 1009.0 1015.3 1017.0 1022.9 1027.0 1025.9 1027.0 DAY 18 1 5 18 27 5 21 29 30 21 13 22 MIN. QNH PRESSURE IN HPA 1009.9 1008.1 1006.8 1008.4 1006.3 1000.9 1001.2 1003.2 1009.0 1012.5 1010.2 1010.7 1000.9 DAY 11 11 31 12 8 22 6 1 5 4 29 20 MEAN QFF PRESSURE IN HPA 1017.6 1012.6 1011.3 1006.9 1005.7 997.0 995.0 998.6 1006.3 1011.0 1018.3 1017.6 1008.2 MAX. QFF PRESSURE IN HPA 1025.2 1021.3 1025.4 1016.2 1012.1 1005.3 998.7 1007.5 1011.0 1017.2 1026.0 1028.0 1028.0 DAY 18 1 5 18 10 4 22 31 30 21 25 23 MIN. QFF PRESSURE IN HPA 1007.7 1005.1 1001.0 1000.5 999.0 988.6 989.8 992.2 1001.4 1004.8 1006.5 1008.7 988.6 DAY 11 11 27 16 8 22 6 1 5 4 29 20 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1980 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 10.5 13.2 18.4 26.1 29.5 33.4 32.4 32.6 28.6 23.7 17.8 12.3 23.2 MINIMUN AIR TEMPERATURE (C) 4.6 7.5 11.9 19.0 22.6 27.0 25.6 25.8 22.1 17.5 12.4 6.7 16.9 DAYS WITH MINIMUM TEMP. >=21 0 0 1 12 25 30 31 29 23 8 0 0 159 DAYS WITH MINIMUM TEMP. <=-4 0 2 0 0 0 0 0 0 0 0 0 0 2 DAYS WITH FREEZING MIN.<= 0 3 3 0 0 0 0 0 0 0 0 0 0 6 TEMPERATURE RECORDS LOWEST(C) -2.0 -4.0 4.0 14.0 18.0 21.0 22.0 20.0 18.0 11.0 5.0 3.0 -4.0 DAY 18 2 5 18 18 4 1 27 12 31 27 15 MAXIMUM AIR TEMPERATURE (C) 17.6 19.9 25.5 33.5 36.3 39.8 38.7 39.1 35.8 31.3 25.1 19.5 30.2 DAYS WITH MAXIMUM TEMP. >=30 0 0 5 29 31 30 31 31 30 18 1 0 206 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 27.0 27.0 33.0 38.0 40.0 45.0 40.0 44.0 40.0 40.0 30.0 27.0 45.0 DAY 22 11 31 30 25 9 2 11 19 5 16 7 DIF. BETWEEN (MAX.-MIN.) (C) 13.0 12.4 13.6 14.5 13.7 12.8 13.1 13.3 13.7 13.8 12.7 12.8 13.3 MEAN DAILY TEMP. (MDT) (C) 11.1 13.7 18.7 26.3 29.5 33.4 32.1 32.5 28.9 24.4 18.7 13.1 23.5 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.5 17.0 157.5 262.0 372.5 345.5 355.5 238.0 118.0 7.0 0.0 1873.5 HEATING DEG. DAYS(BASE 18 0C) 213.5 133.5 36.5 0.0 0.0 0.0 0.0 0.0 0.0 1.5 26.5 152.5 564.0 DEWPOINT (MEAN C) -0.8 0.0 1.9 3.4 6.2 5.7 2.5 5.7 5.0 5.1 3.0 -0.5 3.1 MIXING RATIO (G/KG) 4.14 4.56 5.25 5.71 6.85 6.64 5.32 6.78 6.30 6.28 5.43 4.21 5.62 VAPOUR PRESSURE (HPA) 5.92 6.51 7.47 8.11 9.69 9.36 7.51 9.55 8.94 8.93 7.76 6.03 7.98 SATURATION DEF. (HPA) 9.17 11.49 17.58 31.87 38.54 50.59 48.64 47.74 37.23 26.51 16.37 10.70 28.87 RELATIVE HUMIDITY (MEAN %) 43 38 32 22 21 16 14 17 20 29 34 40 27 RELATIVE HUMIDITY (MAX. %) 58 55 48 35 29 22 20 23 27 38 45 56 38 RELATIVE HUMIDITY (MIN. %) 32 28 22 15 16 13 10 13 15 22 25 28 20 RELATIVE HUMIDITY (MEAN% 03UTC) 56 53 48 33 29 22 19 22 26 37 43 50 37 RELATIVE HUMIDITY (MEAN% 09UTC) 33 30 23 15 17 13 11 14 17 22 27 31 21 RELATIVE HUMIDITY (MEAN% 15UTC) 48 38 33 22 22 16 13 17 20 30 39 48 29 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 0.9 0.6 2.8 3.7 2.0 0.0 0.0 0.0 0.0 4.4 0.0 6.0 20.4 DAYS WITH PRECIPITATION >=10 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH PRECIPITATION >= 5 0 0 0 0 0 0 0 0 0 0 0 1 1 DAYS WITH PRECIPITATION >= 1 0 0 1 2 1 0 0 0 0 1 0 1 6 DAYS WITH PRECIPITATION 2 3 5 5 1 0 0 0 0 3 0 3 22 GREATEST DAILY PRECIPITATION 0.6 0.6 2.0 2.0 2.0 0.0 0.0 0.0 0.0 4.0 0.0 6.0 6.0 DAY 26 7 2 5 8 ** ** ** ** 30 ** 20 DAY WITH THUNDER STORM 0 0 0 1 1 0 0 0 0 1 0 0 3 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 0 2 3 3 5 5 1 0 3 1 0 0 23 WIND DIRECTION (PREVAILING) 270 45 270 270 45 45 360 45 45 270 270 270 45 PREVAILING WIND SPEED(KNOTS) 5.5 5.5 5.0 5.6 6.5 7.0 8.2 6.1 7.3 5.8 5.4 4.9 6.0 PREVAILING WIND PERCENT 21.9 22.8 24.5 24.7 23.9 28.0 29.7 26.5 22.0 20.0 20.0 23.9 18.9 CALMS PERCENT OF WIND 36.8 29.7 35.5 29.3 38.7 20.0 12.9 25.8 34.0 45.2 44.0 52.3 33.7 NO. OF WIND OBSERVATION 155 145 155 150 155 150 155 155 150 155 150 155 1830 VECTOR WIND DIRECTION (MEAN) 292 316 314 306 356 4 351 359 341 319 316 289 340 VECTOR WIND MAGNITUDE(KNOTS) 0.9 1.1 1.0 1.4 1.4 3.8 4.3 3.3 2.3 1.0 1.2 0.8 1.7 WIND STEADINESES (MEAN %) 25.7 23.4 26.3 34.1 37.8 69.1 70.5 66.0 52.3 32.3 37.5 33.3 41.5 WIND SPEED (MEAN KNOTS) 3.5 4.7 3.8 4.1 3.7 5.5 6.1 5.0 4.4 3.1 3.2 2.4 4.1 FASTEST WIND DIRECTION 270 240 90 270 60 360 360 360 30 270 360 240 240 FASTEST WIND SPEED (KNOTS) 15 70 20 14 12 14 15 14 18 12 14 10 70 DAY 7 25 19 27 3 24 20 27 23 1 2 12 DAYS WITH SKY CLEAR (0-2)/8 21 15 15 17 22 28 30 29 30 27 26 19 279 DAYS WITH P.CLOUDY (3-6)/8 7 10 16 13 9 2 1 2 0 4 4 9 77 DAYS WITH CLOUDY (7-8)/8 3 4 0 0 0 0 0 0 0 0 0 3 10 DAYS WITH VISIBILITY =< 2 KM 0 1 1 0 0 0 0 0 1 0 0 0 3 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1980 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 895.7 894.7 893.4 892.2 890.4 886.5 886.1 886.4 891.7 894.6 897.6 896.8 892.2 MAX. QFE PRESSURE IN HPA 902.1 902.5 900.1 900.2 896.5 894.6 891.7 893.3 897.8 901.1 904.0 903.1 904.0 DAY-HOUR 10- 6 3- 6 15- 6 21- 6 1- 6 2- 6 18- 6 31- 6 24- 6 23- 6 3- 6 4- 6 MIN. QFE PRESSURE IN HPA 885.5 885.4 880.8 887.1 885.4 880.0 882.2 881.0 887.2 890.2 890.0 889.1 880.0 DAY-HOUR 24- 9 25- 9 2-12 26-12 29-12 17-12 3-15 11-15 19-12 26-12 25-12 10-12 MEAN QNH PRESSURE IN HPA 1017.6 1016.6 1015.1 1013.8 1011.8 1007.5 1007.0 1007.4 1013.2 1016.4 1019.7 1018.8 1013.7 MAX. QNH PRESSURE IN HPA 1024.8 1025.2 1022.5 1022.6 1018.5 1016.4 1013.2 1015.0 1020.0 1023.6 1026.9 1025.9 1026.9 DAY-HOUR 10- 6 3- 6 15- 6 21- 6 1- 6 2- 6 18- 6 31- 6 24- 6 23- 6 3- 6 4- 6 MIN. QNH PRESSURE IN HPA 1006.3 1006.2 1001.1 1008.1 1006.2 1000.2 1002.7 1001.3 1008.2 1011.6 1011.3 1010.3 1000.2 DAY-HOUR 24- 9 25- 9 2-12 26-12 29-12 17-12 3-15 11-15 19-12 26-12 25-12 10-12 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 896.1 895.2 894.2 893.1 891.2 887.3 887.0 887.0 892.3 895.3 898.3 897.2 892.8 MAX. QFE PRESSURE IN HPA 901.5 901.2 899.4 900.1 896.2 893.5 891.5 892.9 897.1 900.1 903.7 902.1 903.7 DAY 10 22 15 21 1 2 18 31 24 23 3 4 MIN. QFE PRESSURE IN HPA 887.3 887.3 886.0 888.8 887.5 882.9 884.4 883.7 889.0 892.3 892.8 891.2 882.9 DAY 24 12 2 17 29 17 3 7 20 26 25 10 MEAN QNH PRESSURE IN HPA 1018.1 1017.1 1015.9 1014.8 1012.7 1008.3 1007.9 1008.0 1013.9 1017.3 1020.6 1019.3 1014.5 MAX. QNH PRESSURE IN HPA 1024.1 1023.7 1021.8 1022.5 1018.2 1015.2 1013.0 1014.5 1019.2 1022.5 1026.5 1024.8 1026.5 DAY 10 22 15 21 1 2 18 31 24 23 3 4 MIN. QNH PRESSURE IN HPA 1008.3 1008.3 1006.9 1010.0 1008.6 1003.5 1005.1 1004.3 1010.2 1013.9 1014.4 1012.7 1003.5 DAY 24 12 2 17 29 17 3 7 20 26 25 10 MEAN QFF PRESSURE IN HPA 1018.1 1015.6 1012.1 1007.7 1004.0 997.9 998.1 998.1 1005.8 1011.2 1017.2 1018.5 1008.7 MAX. QFF PRESSURE IN HPA 1025.8 1027.8 1021.7 1017.3 1009.6 1005.9 1002.8 1005.8 1012.5 1019.5 1024.4 1024.4 1027.8 DAY 10 3 5 21 1 2 18 31 24 31 27 21 MIN. QFF PRESSURE IN HPA 1005.1 1003.3 1002.3 1001.4 999.0 992.6 995.2 992.9 1000.7 1005.6 1010.4 1010.2 992.6 DAY 24 25 19 17 29 17 27 11 20 5 25 12 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1980 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 897.2 896.2 895.0 893.8 891.8 887.7 887.1 887.5 893.0 896.1 899.1 898.3 893.6 MAX. QFE PRESSURE IN HPA 902.1 902.5 900.1 900.2 896.5 894.6 891.7 893.3 897.8 901.1 904.0 903.1 904.0 DAY 10 3 15 21 1 2 18 31 24 23 3 4 MIN. QFE PRESSURE IN HPA 888.0 889.1 886.3 889.5 888.2 882.9 884.3 883.7 889.7 892.6 893.4 892.3 882.9 DAY 24 12 2 17 29 17 3 11 20 26 25 10 MEAN QNH PRESSURE IN HPA 1019.3 1018.2 1016.8 1015.5 1013.3 1008.8 1008.1 1008.6 1014.7 1018.0 1021.5 1020.5 1015.3 MAX. QNH PRESSURE IN HPA 1024.8 1025.2 1022.5 1022.6 1018.5 1016.4 1013.2 1015.0 1020.0 1023.6 1026.9 1025.9 1026.9 DAY 10 3 15 21 1 2 18 31 24 23 3 4 MIN. QNH PRESSURE IN HPA 1009.1 1010.3 1007.2 1010.8 1009.3 1003.5 1005.0 1004.3 1011.0 1014.2 1015.1 1013.9 1003.5 DAY 24 12 2 17 29 17 3 11 20 26 25 10 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 895.5 894.7 893.6 892.6 890.8 887.0 886.3 886.8 892.0 894.6 897.5 896.7 892.4 MAX. QFE PRESSURE IN HPA 900.7 901.3 898.3 899.0 895.0 893.7 890.7 892.1 896.5 899.8 902.7 901.8 902.7 DAY 9 1 5 21 1 2 18 31 24 23 3 4 MIN. QFE PRESSURE IN HPA 885.5 885.4 883.5 887.9 887.3 882.1 883.7 883.0 888.8 891.1 891.7 890.3 882.1 DAY 24 25 19 17 29 17 3 11 20 26 25 10 MEAN QNH PRESSURE IN HPA 1017.4 1016.6 1015.4 1014.2 1012.3 1008.0 1007.3 1007.7 1013.5 1016.4 1019.6 1018.8 1013.9 MAX. QNH PRESSURE IN HPA 1023.2 1023.9 1020.5 1021.3 1016.9 1015.4 1012.1 1013.7 1018.5 1022.2 1025.4 1024.4 1025.4 DAY 9 1 5 21 1 2 18 31 24 23 3 4 MIN. QNH PRESSURE IN HPA 1006.3 1006.2 1004.1 1009.0 1008.3 1002.6 1004.3 1003.6 1010.0 1012.5 1013.2 1011.7 1002.6 DAY 24 25 19 17 29 17 3 11 20 26 25 10 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 894.3 893.4 891.9 890.7 889.0 885.4 885.1 885.4 890.5 893.1 896.1 895.4 890.9 MAX. QFE PRESSURE IN HPA 900.0 899.7 896.0 897.1 892.4 892.1 888.8 890.9 894.7 898.4 900.8 900.4 900.8 DAY 9 1 28 20 1 2 18 31 28 23 26 4 MIN. QFE PRESSURE IN HPA 885.7 885.6 880.8 887.1 885.4 880.0 882.7 881.1 887.2 890.2 890.0 889.1 880.0 DAY 24 25 2 26 29 17 3 11 19 26 25 10 MEAN QNH PRESSURE IN HPA 1016.1 1015.1 1013.4 1012.1 1010.3 1006.2 1005.9 1006.3 1011.9 1014.8 1018.0 1017.4 1012.3 MAX. QNH PRESSURE IN HPA 1022.4 1022.1 1018.0 1019.2 1014.0 1013.7 1010.0 1012.3 1016.5 1020.6 1023.3 1022.9 1023.3 DAY 9 1 28 20 1 2 18 31 28 23 26 4 MIN. QNH PRESSURE IN HPA 1006.6 1006.4 1001.1 1008.1 1006.2 1000.2 1003.2 1001.5 1008.2 1011.6 1011.3 1010.3 1000.2 DAY 24 25 2 26 29 17 3 11 19 26 25 10 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1980 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 895.3 894.3 892.5 891.1 889.1 885.2 884.9 885.5 890.8 893.7 896.9 896.2 891.3 MAX. QFE PRESSURE IN HPA 901.5 900.2 896.3 898.0 892.7 892.1 888.5 890.9 895.2 898.4 901.6 901.9 901.9 DAY 9 1 25 20 1 2 18 31 28 23 27 13 MIN. QFE PRESSURE IN HPA 887.4 887.6 881.0 887.1 885.4 880.2 882.2 881.0 887.5 890.8 892.0 889.5 880.2 DAY 24 29 2 26 29 17 3 11 19 4 16 28 MEAN QNH PRESSURE IN HPA 1017.2 1016.1 1014.1 1012.5 1010.3 1006.0 1005.7 1006.3 1012.2 1015.5 1018.9 1018.2 1012.8 MAX. QNH PRESSURE IN HPA 1024.1 1022.6 1018.3 1020.2 1014.3 1013.7 1009.7 1012.3 1017.1 1020.6 1024.2 1024.5 1024.5 DAY 9 1 25 20 1 2 18 31 28 23 27 13 MIN. QNH PRESSURE IN HPA 1008.4 1008.7 1001.3 1008.1 1006.2 1000.5 1002.7 1001.3 1008.6 1012.2 1013.5 1010.8 1000.5 DAY 24 29 2 26 29 17 3 11 19 4 16 28 MEAN QFF PRESSURE IN HPA 1017.1 1014.5 1010.2 1005.3 1001.6 995.5 995.7 996.3 1004.0 1009.3 1015.5 1017.3 1006.9 MAX. QFF PRESSURE IN HPA 1025.9 1026.5 1018.3 1014.6 1006.5 1004.6 999.6 1003.8 1009.5 1017.8 1024.0 1024.2 1026.5 DAY 9 3 5 20 1 2 18 31 29 31 27 13 MIN. QFF PRESSURE IN HPA 1005.3 1004.2 996.8 1000.4 996.3 988.9 992.7 989.8 999.0 1003.8 1008.3 1009.3 988.9 DAY 24 25 2 26 29 17 26 11 20 5 16 8 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1981 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 11.2 14.3 19.4 25.3 28.8 32.3 33.1 30.8 27.0 20.8 17.4 13.8 22.9 MINIMUN AIR TEMPERATURE (C) 6.2 9.1 13.7 18.9 22.6 25.7 27.3 24.4 20.1 15.0 11.5 8.2 16.9 DAYS WITH MINIMUM TEMP. >=21 0 0 1 12 25 30 31 31 14 1 0 0 145 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS LOWEST(C) 1.0 3.0 7.0 7.0 15.0 21.0 23.0 21.0 15.0 8.0 5.0 5.0 1.0 DAY 16 3 1 3 4 12 29 6 25 31 25 3 MAXIMUM AIR TEMPERATURE (C) 17.4 20.6 25.9 32.3 34.9 38.6 38.8 36.9 34.2 27.8 25.4 21.3 29.5 DAYS WITH MAXIMUM TEMP. >=30 0 0 7 22 27 30 31 31 27 14 3 0 192 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 26.0 28.0 32.0 38.0 42.0 43.0 45.0 42.0 41.0 34.0 31.0 28.0 45.0 DAY 25 9 25 12 28 5 6 14 22 13 5 7 DIF. BETWEEN (MAX.-MIN.) (C) 11.2 11.5 12.2 13.4 12.3 12.9 11.5 12.5 14.1 12.8 13.9 13.1 12.6 MEAN DAILY TEMP. (MDT) (C) 11.8 14.8 19.8 25.6 28.7 32.1 33.0 30.6 27.1 21.4 18.4 14.8 23.2 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.5 29.5 139.0 244.5 334.0 373.0 298.5 184.0 56.0 10.0 0.0 1669.0 HEATING DEG. DAYS(BASE 18 0C) 195.5 99.0 21.0 4.0 1.0 0.0 0.0 0.0 0.0 10.0 36.0 101.5 468.0 DEWPOINT (MEAN C) 0.4 0.8 4.0 4.1 7.9 8.7 10.2 7.2 4.5 3.7 -0.1 1.0 4.4 MIXING RATIO (G/KG) 4.61 4.68 5.83 5.92 7.65 8.12 9.15 7.38 6.09 5.83 4.45 4.65 6.20 VAPOUR PRESSURE (HPA) 6.58 6.68 8.28 8.39 10.82 11.42 12.82 10.39 8.65 8.33 6.37 6.66 8.78 SATURATION DEF. (HPA) 8.85 12.43 17.97 29.26 35.68 44.43 44.16 40.85 33.92 21.14 17.70 11.86 26.52 RELATIVE HUMIDITY (MEAN %) 46 38 35 24 27 22 24 21 22 30 28 38 30 RELATIVE HUMIDITY (MAX. %) 61 54 49 34 36 29 33 29 27 41 37 50 40 RELATIVE HUMIDITY (MIN. %) 35 26 25 18 21 17 18 16 18 23 20 30 22 RELATIVE HUMIDITY (MEAN% 03UTC) 58 53 49 33 36 29 33 29 27 39 32 47 39 RELATIVE HUMIDITY (MEAN% 09UTC) 38 28 28 20 23 18 20 18 18 24 21 31 24 RELATIVE HUMIDITY (MEAN% 15UTC) 49 39 34 23 25 21 22 19 21 32 33 44 30 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 19.4 2.0 5.6 0.0 28.4 0.0 0.0 0.0 0.0 6.8 0.0 0.0 62.2 DAYS WITH PRECIPITATION >=10 1 0 0 0 2 0 0 0 0 0 0 0 3 DAYS WITH PRECIPITATION >= 5 1 0 0 0 2 0 0 0 0 1 0 0 4 DAYS WITH PRECIPITATION >= 1 3 1 2 0 4 0 0 0 0 1 0 0 11 DAYS WITH PRECIPITATION 5 1 3 1 4 0 0 0 0 3 0 0 17 GREATEST DAILY PRECIPITATION 16.0 2.0 4.0 0.0 15.0 0.0 0.0 0.0 0.0 6.0 0.0 0.0 16.0 DAY 28 12 3 ** 2 ** ** ** ** 23 ** ** DAY WITH THUNDER STORM 0 0 0 1 0 0 0 0 0 1 0 0 2 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 2 1 2 6 3 3 6 0 1 0 0 0 24 WIND DIRECTION (PREVAILING) 270 270 270 270 45 45 360 360 270 45 270 270 45 PREVAILING WIND SPEED(KNOTS) 7.2 5.3 6.1 6.8 5.8 5.7 7.3 6.7 5.8 4.8 4.9 5.0 5.5 PREVAILING WIND PERCENT 16.8 20.1 21.9 22.2 18.1 19.5 26.5 25.2 18.7 19.4 20.1 14.2 16.6 CALMS PERCENT OF WIND 45.2 41.0 40.6 29.9 45.2 41.6 20.6 21.9 34.0 42.6 45.0 52.9 38.4 NO. OF WIND OBSERVATION 155 139 155 144 155 149 155 155 150 155 149 155 1816 VECTOR WIND DIRECTION (MEAN) 297 329 294 279 346 353 356 355 338 347 312 319 334 VECTOR WIND MAGNITUDE(KNOTS) 1.3 1.2 1.6 1.6 1.3 1.6 3.5 3.4 2.2 1.3 1.2 0.7 1.6 WIND STEADINESES (MEAN %) 37.1 34.3 45.7 34.8 38.2 47.1 70.0 73.9 57.9 44.8 42.9 29.2 44.4 WIND SPEED (MEAN KNOTS) 3.5 3.5 3.5 4.6 3.4 3.4 5.0 4.6 3.8 2.9 2.8 2.4 3.6 FASTEST WIND DIRECTION 270 300 250 260 90 360 360 360 300 360 300 240 270 FASTEST WIND SPEED (KNOTS) 15 14 14 15 10 10 12 15 10 10 10 10 15 DAY 12 12 28 2 7 3 11 12 1 21 1 18 DAYS WITH SKY CLEAR (0-2)/8 17 21 13 18 26 26 27 29 30 29 27 24 287 DAYS WITH P.CLOUDY (3-6)/8 7 3 16 11 3 4 4 2 0 2 3 7 62 DAYS WITH CLOUDY (7-8)/8 7 4 2 0 2 0 0 0 0 0 0 0 15 DAYS WITH VISIBILITY =< 2 KM 2 0 0 0 0 0 0 0 0 0 0 0 2 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** 321.9 357.1 320.8 299.9 290.8 256.6 ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1981 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 896.7 894.4 892.5 891.6 890.7 887.4 885.0 887.4 893.2 897.6 897.0 897.4 892.6 MAX. QFE PRESSURE IN HPA 904.8 902.5 903.4 900.3 898.2 894.8 891.6 891.2 898.8 904.1 903.4 904.4 904.8 DAY-HOUR 9- 6 4- 6 6- 6 20- 6 2- 9 11- 6 30- 6 3- 3 27- 6 25- 6 27- 6 12- 6 MIN. QFE PRESSURE IN HPA 885.2 885.7 885.1 884.0 883.3 881.5 878.3 882.7 886.4 890.3 891.5 889.2 878.3 DAY-HOUR 3-12 12- 9 13-12 29-12 12-15 16-15 2-12 14-15 22-12 17-12 23- 3 26-12 MEAN QNH PRESSURE IN HPA 1018.8 1016.3 1014.1 1013.1 1012.1 1008.4 1005.7 1008.4 1014.9 1019.8 1019.1 1019.5 1014.2 MAX. QNH PRESSURE IN HPA 1027.7 1025.2 1026.2 1022.8 1020.4 1016.7 1013.1 1012.7 1021.1 1027.0 1026.2 1027.3 1027.7 DAY-HOUR 9- 6 4- 6 6- 6 20- 6 2- 9 11- 6 30- 6 3- 3 27- 6 25- 6 27- 6 12- 6 MIN. QNH PRESSURE IN HPA 1006.0 1006.6 1005.9 1004.7 1003.9 1001.9 998.3 1003.2 1007.3 1011.7 1013.0 1010.4 998.3 DAY-HOUR 3-12 12- 9 13-12 29-12 12-15 16-15 2-12 14-15 22-12 17-12 23- 3 26-12 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 897.0 894.8 893.2 892.5 891.3 888.2 885.7 888.1 894.0 898.3 897.6 897.9 893.2 MAX. QFE PRESSURE IN HPA 903.6 901.7 902.6 899.3 897.3 893.5 891.1 891.2 898.1 903.5 902.4 903.2 903.6 DAY 9 5 6 20 2 1 30 3 27 25 26 12 MIN. QFE PRESSURE IN HPA 889.3 887.4 887.5 885.5 885.6 883.9 881.2 884.6 889.6 892.1 891.5 892.8 881.2 DAY 3 12 13 29 13 27 2 14 23 17 23 26 MEAN QNH PRESSURE IN HPA 1019.1 1016.7 1014.9 1014.1 1012.8 1009.4 1006.6 1009.3 1015.7 1020.5 1019.8 1020.1 1014.9 MAX. QNH PRESSURE IN HPA 1026.4 1024.3 1025.3 1021.6 1019.4 1015.2 1012.5 1012.7 1020.3 1026.3 1025.1 1026.0 1026.4 DAY 9 5 6 20 2 1 30 3 27 25 26 12 MIN. QNH PRESSURE IN HPA 1010.6 1008.4 1008.6 1006.3 1006.4 1004.6 1001.6 1005.3 1010.9 1013.7 1013.0 1014.4 1001.6 DAY 3 12 13 29 13 27 2 14 23 17 23 26 MEAN QFF PRESSURE IN HPA 1018.4 1014.5 1010.4 1007.3 1004.3 999.4 996.0 999.9 1008.4 1015.8 1016.8 1018.5 1009.1 MAX. QFF PRESSURE IN HPA 1027.3 1025.1 1023.7 1019.5 1013.6 1007.2 1003.9 1004.4 1013.8 1023.9 1025.3 1025.2 1027.3 DAY 9 5 6 3 2 1 30 3 27 25 27 2 MIN. QFF PRESSURE IN HPA 1008.8 1004.0 1001.6 997.7 997.2 993.0 990.8 995.0 1001.3 1006.7 1007.6 1012.4 990.8 DAY 27 12 28 29 13 27 2 14 23 17 6 18 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1981 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 898.1 895.8 893.8 893.0 892.1 888.7 886.2 888.5 894.6 899.0 898.4 899.0 893.9 MAX. QFE PRESSURE IN HPA 904.8 902.5 903.4 900.3 898.1 894.8 891.6 891.2 898.8 904.1 903.4 904.4 904.8 DAY 9 4 6 20 2 11 30 3 27 25 27 12 MIN. QFE PRESSURE IN HPA 890.5 887.9 886.7 885.8 886.1 884.4 881.5 885.0 890.3 892.8 892.7 892.9 881.5 DAY 3 12 13 1 13 27 2 14 22 17 23 26 MEAN QNH PRESSURE IN HPA 1020.3 1017.7 1015.5 1014.7 1013.6 1009.9 1007.1 1009.6 1016.4 1021.4 1020.7 1021.3 1015.7 MAX. QNH PRESSURE IN HPA 1027.7 1025.2 1026.2 1022.8 1020.3 1016.7 1013.1 1012.7 1021.1 1027.0 1026.2 1027.3 1027.7 DAY 9 4 6 20 2 11 30 3 27 25 27 12 MIN. QNH PRESSURE IN HPA 1011.9 1009.0 1007.7 1006.7 1007.0 1005.1 1001.9 1005.8 1011.7 1014.4 1014.3 1014.5 1001.9 DAY 3 12 13 1 13 27 2 14 22 17 23 26 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 896.7 894.7 892.9 892.0 891.3 887.8 885.3 887.7 893.4 897.6 896.9 897.3 892.8 MAX. QFE PRESSURE IN HPA 902.9 901.5 902.1 899.4 898.2 893.9 890.5 890.7 897.4 902.3 901.3 902.4 902.9 DAY 9 4 5 20 2 11 29 3 27 25 26 12 MIN. QFE PRESSURE IN HPA 887.0 885.7 886.7 885.5 885.8 883.9 880.9 884.2 888.8 891.6 892.3 891.2 880.9 DAY 3 12 13 29 16 16 2 14 22 17 23 26 MEAN QNH PRESSURE IN HPA 1018.8 1016.5 1014.5 1013.6 1012.8 1008.8 1006.2 1008.8 1015.1 1019.8 1018.9 1019.4 1014.4 MAX. QNH PRESSURE IN HPA 1025.6 1024.1 1024.8 1021.8 1020.4 1015.7 1011.9 1012.1 1019.5 1025.0 1023.9 1025.1 1025.6 DAY 9 4 5 20 2 11 29 3 27 25 26 12 MIN. QNH PRESSURE IN HPA 1008.0 1006.6 1007.7 1006.3 1006.7 1004.6 1001.2 1004.9 1010.0 1013.1 1013.9 1012.7 1001.2 DAY 3 12 13 29 16 16 2 14 22 17 23 26 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 895.5 893.1 891.1 890.0 889.5 886.3 883.9 886.3 891.9 896.3 895.8 896.0 891.3 MAX. QFE PRESSURE IN HPA 902.2 900.0 900.9 896.9 897.2 892.1 888.5 889.6 895.5 901.0 900.1 901.0 902.2 DAY 9 4 5 20 2 11 30 3 26 25 26 12 MIN. QFE PRESSURE IN HPA 885.2 886.9 885.1 884.0 883.5 882.1 878.3 883.0 886.4 890.3 892.3 889.2 878.3 DAY 3 12 13 29 12 16 2 12 22 17 23 26 MEAN QNH PRESSURE IN HPA 1017.4 1014.8 1012.5 1011.4 1010.7 1007.2 1004.6 1007.2 1013.4 1018.3 1017.7 1018.0 1012.8 MAX. QNH PRESSURE IN HPA 1024.9 1022.4 1023.4 1019.0 1019.3 1013.7 1009.7 1010.9 1017.4 1023.5 1022.5 1023.5 1024.9 DAY 9 4 5 20 2 11 30 3 26 25 26 12 MIN. QNH PRESSURE IN HPA 1006.0 1007.9 1005.9 1004.7 1004.1 1002.6 998.3 1003.6 1007.3 1011.7 1013.9 1010.4 998.3 DAY 3 12 13 29 12 16 2 12 22 17 23 26 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1981 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 896.4 893.9 891.5 890.4 889.2 885.9 883.7 886.4 892.3 897.0 896.5 896.8 891.7 MAX. QFE PRESSURE IN HPA 902.9 900.8 901.5 897.0 896.1 891.7 888.7 889.6 895.6 901.8 901.1 901.6 902.9 DAY 9 4 5 19 2 11 29 3 26 24 26 12 MIN. QFE PRESSURE IN HPA 886.2 888.9 885.9 884.1 883.3 881.5 878.3 882.7 886.7 891.7 892.4 890.4 878.3 DAY 3 11 31 29 12 16 2 14 22 16 5 26 MEAN QNH PRESSURE IN HPA 1018.4 1015.7 1013.0 1011.7 1010.5 1006.8 1004.4 1007.3 1013.8 1019.0 1018.5 1018.8 1013.2 MAX. QNH PRESSURE IN HPA 1025.6 1023.3 1024.1 1019.1 1018.1 1013.2 1009.9 1010.9 1017.5 1024.4 1023.6 1024.2 1025.6 DAY 9 4 5 19 2 11 29 3 26 24 26 12 MIN. QNH PRESSURE IN HPA 1007.1 1010.1 1006.8 1004.8 1003.9 1001.9 998.3 1003.2 1007.7 1013.2 1014.0 1011.8 998.3 DAY 3 11 31 29 12 16 2 14 22 16 5 26 MEAN QFF PRESSURE IN HPA 1017.7 1013.4 1008.3 1004.9 1001.8 996.7 993.9 997.9 1006.4 1014.2 1015.4 1017.2 1007.3 MAX. QFF PRESSURE IN HPA 1026.6 1024.5 1022.6 1017.1 1014.0 1004.8 1001.0 1003.1 1011.0 1021.9 1023.5 1023.0 1026.6 DAY 9 4 5 3 2 11 29 31 26 24 26 12 MIN. QFF PRESSURE IN HPA 1005.9 1005.7 1000.8 996.6 994.0 990.5 986.9 992.3 998.3 1006.5 1007.8 1008.5 986.9 DAY 3 11 28 29 16 26 2 14 22 16 5 26 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1982 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 11.8 12.0 17.5 24.5 30.1 35.3 34.9 34.7 30.2 25.3 16.1 9.7 23.5 MINIMUN AIR TEMPERATURE (C) 4.8 4.8 10.5 16.8 22.1 26.1 26.1 26.7 21.7 17.4 9.2 3.4 15.8 DAYS WITH MINIMUM TEMP. >=21 0 0 0 2 22 30 31 29 21 5 0 0 140 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 4 3 0 0 0 0 0 0 0 0 0 3 10 TEMPERATURE RECORDS LOWEST(C) -3.0 -1.6 2.4 10.2 15.6 22.0 23.0 20.4 16.6 10.0 1.6 -0.4 -3.0 DAY 22 20 1 1 1 1 13 31 23 26 30 12 MAXIMUM AIR TEMPERATURE (C) 16.7 16.8 22.2 29.5 34.6 39.8 39.1 39.0 34.9 30.5 20.9 14.4 28.2 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 15 28 30 31 31 30 19 0 0 184 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 23.0 22.0 28.0 37.0 39.0 43.5 44.0 44.6 39.6 37.4 29.6 25.6 44.6 DAY 29 1 18 28 20 15 30 1 14 1 10 30 DIF. BETWEEN (MAX.-MIN.) (C) 11.9 12.0 11.7 12.7 12.5 13.7 13.0 12.3 13.2 13.1 11.7 11.0 12.4 MEAN DAILY TEMP. (MDT) (C) 10.8 10.8 16.3 23.1 28.4 33.0 32.6 32.8 28.3 23.9 15.1 8.9 22.0 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.3 78.1 228.9 359.3 360.4 367.3 218.3 109.6 2.8 0.0 1725.3 HEATING DEG. DAYS(BASE 18 0C) 224.4 201.4 71.0 0.6 0.0 0.0 0.0 0.0 0.0 3.6 101.5 282.2 884.7 DEWPOINT (MEAN C) -1.9 -2.8 2.1 5.0 7.7 6.3 7.1 8.9 4.9 7.4 1.8 0.3 3.9 MIXING RATIO (G/KG) 3.89 3.66 5.22 6.56 7.68 6.88 7.44 8.49 6.34 7.55 5.23 4.52 6.12 VAPOUR PRESSURE (HPA) 5.57 5.21 7.42 9.29 10.88 9.70 10.45 11.90 8.99 10.73 7.46 6.48 8.67 SATURATION DEF. (HPA) 9.11 9.41 13.54 22.74 33.25 49.27 46.96 45.42 35.25 22.96 11.85 6.19 25.49 RELATIVE HUMIDITY (MEAN %) 41 38 39 33 26 17 19 21 21 34 42 56 32 RELATIVE HUMIDITY (MAX. %) 58 57 57 49 37 24 25 27 29 47 57 73 45 RELATIVE HUMIDITY (MIN. %) 29 26 26 22 20 13 14 17 16 25 31 41 23 RELATIVE HUMIDITY (MEAN% 03UTC) 55 56 55 45 36 24 25 26 26 45 55 71 43 RELATIVE HUMIDITY (MEAN% 09UTC) 32 29 30 25 21 14 16 18 20 26 32 44 26 RELATIVE HUMIDITY (MEAN% 15UTC) 43 35 37 34 25 17 18 20 21 36 46 59 33 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 3.1 0.4 18.4 41.8 14.0 0.0 0.0 0.0 0.0 3.6 3.7 15.3 100.3 DAYS WITH PRECIPITATION >=10 0 0 0 1 0 0 0 0 0 0 0 0 1 DAYS WITH PRECIPITATION >= 5 0 0 2 3 1 0 0 0 0 0 0 2 8 DAYS WITH PRECIPITATION >= 1 2 0 4 8 4 0 0 0 0 1 2 4 25 DAYS WITH PRECIPITATION 5 2 7 10 6 0 0 0 0 4 6 5 45 GREATEST DAILY PRECIPITATION 1.0 0.4 9.0 11.0 8.0 0.0 0.0 0.0 0.0 3.0 1.2 5.3 11.0 DAY 2 23 9 30 20 ** ** ** ** 17 14 20 DAY WITH THUNDER STORM 0 0 0 3 0 0 0 0 0 2 0 0 5 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 1 1 DAYS WITH DUST 0 0 1 0 2 0 0 1 0 0 0 0 4 WIND DIRECTION (PREVAILING) 270 45 270 45 45 45 360 45 360 270 45 45 45 PREVAILING WIND SPEED(KNOTS) 7.3 5.9 6.1 5.4 5.9 5.9 6.0 5.9 6.4 4.9 4.7 5.1 5.7 PREVAILING WIND PERCENT 9.7 10.7 12.3 14.7 17.4 26.0 19.4 26.5 16.0 8.4 8.0 5.8 13.1 CALMS PERCENT OF WIND 66.5 59.3 52.9 46.0 38.7 32.0 40.0 29.7 44.7 63.9 77.3 83.2 52.8 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 333 331 283 320 351 359 351 1 343 307 355 53 343 VECTOR WIND MAGNITUDE(KNOTS) 0.5 0.4 1.4 1.4 1.7 2.5 2.0 2.7 2.0 0.6 0.3 0.2 1.2 WIND STEADINESES (MEAN %) 23.8 16.0 48.3 43.7 47.2 59.5 60.6 64.3 62.5 31.6 27.3 22.2 44.4 WIND SPEED (MEAN KNOTS) 2.1 2.5 2.9 3.2 3.6 4.2 3.3 4.2 3.2 1.9 1.1 0.9 2.7 FASTEST WIND DIRECTION 300 270 60 240 90 330 240 90 360 240 270 240 300 FASTEST WIND SPEED (KNOTS) 19 12 14 14 16 12 12 12 14 10 10 8 19 DAY 7 6 5 16 25 9 2 1 8 6 11 3 DAYS WITH SKY CLEAR (0-2)/8 19 16 11 12 20 28 27 27 30 19 19 21 249 DAYS WITH P.CLOUDY (3-6)/8 10 8 13 14 11 2 4 4 0 12 7 5 90 DAYS WITH CLOUDY (7-8)/8 2 4 7 4 0 0 0 0 0 0 4 5 26 DAYS WITH VISIBILITY =< 2 KM 0 0 0 1 0 0 0 0 0 0 0 1 2 DURATION OF SUNSHINE HOURS 241.0 219.8 200.4 246.2 284.5 333.1 319.1 317.6 291.5 244.8 226.7 216.4 3141.1 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1982 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 895.8 893.6 893.0 892.3 892.9 887.6 885.5 885.5 893.0 895.6 896.8 898.1 892.5 MAX. QFE PRESSURE IN HPA 904.4 904.8 901.3 902.2 899.0 893.5 889.5 891.6 898.3 901.5 907.5 904.5 907.5 DAY-HOUR 21- 6 20- 6 16- 6 4- 6 13- 6 5- 6 14- 6 31- 6 21- 6 25- 6 18- 6 9- 6 MIN. QFE PRESSURE IN HPA 883.5 885.0 885.8 883.1 887.3 881.8 876.7 877.5 886.9 889.4 890.7 887.6 876.7 DAY-HOUR 17-12 14-12 7-12 18-12 23-15 25-15 31-12 1-12 13-12 1-12 7-12 7-15 MEAN QNH PRESSURE IN HPA 1017.7 1015.3 1014.6 1013.9 1014.5 1008.6 1006.3 1006.3 1014.7 1017.6 1018.9 1020.3 1014.1 MAX. QNH PRESSURE IN HPA 1027.3 1027.7 1023.9 1024.9 1021.3 1015.2 1010.8 1013.1 1020.5 1024.1 1030.7 1027.4 1030.7 DAY-HOUR 21- 6 20- 6 16- 6 4- 6 13- 6 5- 6 14- 6 31- 6 21- 6 25- 6 18- 6 9- 6 MIN. QNH PRESSURE IN HPA 1004.1 1005.8 1006.7 1003.7 1008.3 1002.2 996.6 997.5 1007.9 1010.7 1012.1 1008.7 996.6 DAY-HOUR 17-12 14-12 7-12 18-12 23-15 25-15 31-12 1-12 13-12 1-12 7-12 7-15 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 896.0 893.9 893.1 892.8 893.5 888.2 886.2 885.9 893.5 896.4 897.1 898.5 892.9 MAX. QFE PRESSURE IN HPA 902.7 903.0 900.4 900.3 898.5 893.0 889.1 890.7 897.2 900.6 905.7 903.4 905.7 DAY 22 20 16 5 13 5 14 28 21 26 19 10 MIN. QFE PRESSURE IN HPA 887.2 886.8 887.2 885.3 888.6 883.7 879.9 878.9 888.3 891.7 891.6 892.5 878.9 DAY 29 14 27 19 24 28 31 1 14 21 14 7 MEAN QNH PRESSURE IN HPA 1017.9 1015.7 1014.8 1014.4 1015.2 1009.3 1007.1 1006.8 1015.2 1018.4 1019.2 1020.8 1014.6 MAX. QNH PRESSURE IN HPA 1025.4 1025.7 1022.9 1022.8 1020.8 1014.7 1010.3 1012.1 1019.3 1023.1 1028.7 1026.2 1028.7 DAY 22 20 16 5 13 5 14 28 21 26 19 10 MIN. QNH PRESSURE IN HPA 1008.2 1007.8 1008.2 1006.1 1009.8 1004.3 1000.1 999.0 1009.4 1013.2 1013.1 1014.1 999.0 DAY 29 14 27 19 24 28 31 1 14 21 14 7 MEAN QFF PRESSURE IN HPA 1017.7 1015.2 1011.7 1008.5 1007.1 999.1 997.0 996.6 1007.3 1012.4 1017.2 1021.5 1009.3 MAX. QFF PRESSURE IN HPA 1029.1 1028.6 1021.2 1019.4 1014.4 1005.7 1001.5 1004.5 1011.9 1020.0 1029.1 1028.1 1029.1 DAY 22 20 1 5 13 1 14 31 21 26 19 9 MIN. QFF PRESSURE IN HPA 1004.2 1005.7 1002.8 999.2 1000.9 993.6 988.8 987.3 1000.4 1005.3 1010.0 1012.9 987.3 DAY 29 14 27 19 24 25 31 1 14 1 14 30 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1982 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 897.4 895.1 894.3 893.8 894.2 888.8 886.6 886.6 894.5 897.3 898.3 899.7 893.9 MAX. QFE PRESSURE IN HPA 904.4 904.8 901.3 902.2 899.0 893.5 889.5 891.6 898.3 901.5 907.5 904.5 907.5 DAY 21 20 16 4 13 5 14 31 21 25 18 9 MIN. QFE PRESSURE IN HPA 887.6 887.7 887.5 886.4 889.7 884.0 880.0 879.8 889.3 892.1 892.9 893.1 879.8 DAY 29 14 7 18 24 25 31 1 14 1 7 7 MEAN QNH PRESSURE IN HPA 1019.6 1017.0 1016.1 1015.5 1016.0 1009.9 1007.6 1007.6 1016.3 1019.4 1020.6 1022.1 1015.6 MAX. QNH PRESSURE IN HPA 1027.3 1027.7 1023.9 1024.9 1021.3 1015.2 1010.8 1013.1 1020.5 1024.1 1030.7 1027.4 1030.7 DAY 21 20 16 4 13 5 14 31 21 25 18 9 MIN. QNH PRESSURE IN HPA 1008.7 1008.8 1008.6 1007.3 1011.0 1004.7 1000.2 1000.0 1010.6 1013.7 1014.5 1014.8 1000.0 DAY 29 14 7 18 24 25 31 1 14 1 7 7 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 895.8 893.9 893.5 892.7 893.3 888.1 886.0 885.9 893.4 895.7 896.9 898.1 892.8 MAX. QFE PRESSURE IN HPA 903.8 903.7 900.0 901.1 898.6 893.3 888.9 891.0 897.0 899.8 906.4 903.9 906.4 DAY 21 20 31 4 12 7 10 31 21 25 18 9 MIN. QFE PRESSURE IN HPA 886.2 886.2 887.1 885.1 889.1 883.2 878.8 878.7 888.7 890.8 891.5 891.1 878.7 DAY 17 14 7 18 24 25 31 1 14 1 7 7 MEAN QNH PRESSURE IN HPA 1017.8 1015.7 1015.2 1014.4 1015.0 1009.3 1006.9 1006.8 1015.1 1017.6 1019.0 1020.3 1014.4 MAX. QNH PRESSURE IN HPA 1026.6 1026.5 1022.4 1023.6 1020.9 1015.0 1010.1 1012.4 1019.1 1022.2 1029.5 1026.7 1029.5 DAY 21 20 31 4 12 7 10 31 21 25 18 9 MIN. QNH PRESSURE IN HPA 1007.1 1007.1 1008.1 1005.9 1010.3 1003.8 998.9 998.8 1009.9 1012.2 1013.0 1012.5 998.8 DAY 17 14 7 18 24 25 31 1 14 1 7 7 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 894.5 892.2 891.9 891.0 891.8 886.7 884.6 884.6 891.8 894.1 895.5 896.7 891.3 MAX. QFE PRESSURE IN HPA 901.9 901.4 897.9 898.7 896.9 891.5 887.9 889.9 895.4 898.8 905.3 901.9 905.3 DAY 21 20 31 4 12 7 10 31 21 25 18 9 MIN. QFE PRESSURE IN HPA 883.5 885.0 885.8 883.1 887.8 881.9 876.7 877.5 886.9 889.4 890.7 888.3 876.7 DAY 17 14 7 18 23 25 31 1 13 1 7 7 MEAN QNH PRESSURE IN HPA 1016.3 1013.8 1013.4 1012.5 1013.4 1007.6 1005.3 1005.4 1013.3 1015.9 1017.5 1018.8 1012.8 MAX. QNH PRESSURE IN HPA 1024.5 1024.0 1020.1 1021.0 1019.0 1013.0 1009.0 1011.2 1017.3 1021.1 1028.3 1024.5 1028.3 DAY 21 20 31 4 12 7 10 31 21 25 18 9 MIN. QNH PRESSURE IN HPA 1004.1 1005.8 1006.7 1003.7 1008.9 1002.3 996.6 997.5 1007.9 1010.7 1012.1 1009.4 996.6 DAY 17 14 7 18 23 25 31 1 13 1 7 7 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1982 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 895.2 892.8 892.2 891.4 891.6 886.2 884.3 884.5 892.0 894.8 896.2 897.5 891.6 MAX. QFE PRESSURE IN HPA 902.3 901.0 898.0 899.6 896.7 890.4 887.3 890.1 895.3 899.9 906.4 902.9 906.4 DAY 21 20 31 4 12 7 10 31 21 25 18 9 MIN. QFE PRESSURE IN HPA 885.1 887.1 886.5 883.8 887.3 881.8 876.9 877.6 886.9 890.1 891.0 887.6 876.9 DAY 17 14 25 18 23 25 31 1 13 1 13 7 MEAN QNH PRESSURE IN HPA 1017.1 1014.5 1013.8 1012.8 1013.1 1007.1 1005.0 1005.2 1013.6 1016.6 1018.2 1019.6 1013.0 MAX. QNH PRESSURE IN HPA 1025.0 1023.5 1020.2 1022.0 1018.8 1011.8 1008.3 1011.4 1017.2 1022.3 1029.5 1025.6 1029.5 DAY 21 20 31 4 12 7 10 31 21 25 18 9 MIN. QNH PRESSURE IN HPA 1005.9 1008.1 1007.4 1004.4 1008.3 1002.2 996.8 997.6 1007.9 1011.4 1012.4 1008.7 996.8 DAY 17 14 25 18 23 25 31 1 13 1 13 7 MEAN QFF PRESSURE IN HPA 1016.7 1013.9 1010.6 1006.9 1004.7 996.8 994.7 994.9 1005.5 1010.6 1016.2 1020.2 1007.6 MAX. QFF PRESSURE IN HPA 1028.0 1026.2 1019.5 1017.8 1012.0 1001.8 998.6 1003.5 1010.0 1018.1 1029.9 1027.8 1029.9 DAY 21 20 5 4 12 4 14 31 21 26 18 9 MIN. QFF PRESSURE IN HPA 1002.9 1005.7 1002.1 997.2 999.2 991.4 985.3 985.7 999.1 1003.3 1009.1 1006.9 985.3 DAY 17 14 25 18 23 25 31 1 13 1 13 7 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1983 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 11.2 13.8 16.4 22.2 31.5 36.2 36.2 35.1 32.5 24.3 20.0 10.2 24.1 MINIMUN AIR TEMPERATURE (C) 4.1 6.8 9.0 14.9 23.1 27.3 28.1 27.5 24.2 15.8 12.0 5.2 16.5 DAYS WITH MINIMUM TEMP. >=21 0 0 0 3 25 30 31 31 20 4 0 0 144 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 4 0 0 0 0 0 0 0 0 0 0 4 8 TEMPERATURE RECORDS LOWEST(C) -2.6 0.4 2.0 6.0 16.5 22.6 24.0 24.0 18.0 10.4 7.0 -1.6 -2.6 DAY 30 24 1 3 1 3 4 12 23 23 28 22 MAXIMUM AIR TEMPERATURE (C) 16.3 18.4 21.1 27.0 36.4 40.9 40.6 39.7 37.6 29.9 25.9 17.7 29.3 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 11 31 30 31 31 30 12 2 0 178 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 28.6 28.4 28.0 35.4 39.4 45.2 44.8 42.0 43.6 38.4 32.0 26.0 45.2 DAY 3 26 22 23 18 29 8 3 8 5 1 9 DIF. BETWEEN (MAX.-MIN.) (C) 12.2 11.6 12.1 12.1 13.3 13.6 12.5 12.2 13.4 14.1 13.9 12.5 12.8 MEAN DAILY TEMP. (MDT) (C) 10.2 12.6 15.1 20.9 29.8 34.1 34.3 33.6 30.9 22.8 19.0 11.4 22.9 COOLING DEG. DAYS(BASE 21 0C) 0.1 0.0 0.0 65.8 271.9 394.0 413.7 390.6 295.9 68.1 7.1 0.0 1907.5 HEATING DEG. DAYS(BASE 18 0C) 247.9 155.1 99.1 25.9 0.0 0.0 0.0 0.0 0.0 0.0 17.9 205.9 751.7 DEWPOINT (MEAN C) -1.7 -0.3 1.0 5.1 8.3 9.5 10.6 12.7 7.7 1.3 0.6 -0.7 4.5 MIXING RATIO (G/KG) 3.90 4.37 4.77 6.32 7.88 8.60 9.43 10.78 7.84 4.87 4.60 4.17 6.46 VAPOUR PRESSURE (HPA) 5.59 6.24 6.80 8.97 11.13 12.09 13.20 15.07 11.06 6.95 6.59 5.98 9.14 SATURATION DEF. (HPA) 8.69 10.45 12.80 19.75 36.67 50.09 48.39 42.89 39.90 25.19 17.89 7.62 26.69 RELATIVE HUMIDITY (MEAN %) 44 41 38 38 25 21 22 27 23 23 29 50 32 RELATIVE HUMIDITY (MAX. %) 61 57 57 54 37 28 29 37 30 30 41 66 44 RELATIVE HUMIDITY (MIN. %) 31 30 27 27 18 16 18 21 17 18 22 34 23 RELATIVE HUMIDITY (MEAN% 03UTC) 58 56 56 52 36 26 28 36 28 26 33 58 41 RELATIVE HUMIDITY (MEAN% 09UTC) 34 32 30 31 19 17 20 22 18 18 23 36 25 RELATIVE HUMIDITY (MEAN% 15UTC) 45 41 39 36 25 22 21 27 25 27 39 52 33 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 11.0 15.7 17.7 23.1 3.0 0.0 0.0 0.3 0.0 0.0 0.0 2.7 73.5 DAYS WITH PRECIPITATION >=10 0 0 0 1 0 0 0 0 0 0 0 0 1 DAYS WITH PRECIPITATION >= 5 1 2 2 1 0 0 0 0 0 0 0 0 6 DAYS WITH PRECIPITATION >= 1 2 2 3 6 1 0 0 0 0 0 0 1 15 DAYS WITH PRECIPITATION 2 3 4 8 1 0 0 1 0 0 0 2 21 GREATEST DAILY PRECIPITATION 9.0 8.0 9.0 10.0 3.0 0.0 0.0 0.3 0.0 0.0 0.0 2.0 10.0 DAY 21 12 24 14 22 ** ** 6 ** ** ** 13 DAY WITH THUNDER STORM 0 0 0 1 0 0 0 0 0 0 0 0 1 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 2 2 1 0 1 0 1 2 0 0 0 0 9 WIND DIRECTION (PREVAILING) 45 270 270 45 45 360 360 45 45 45 315 270 45 PREVAILING WIND SPEED(KNOTS) 6.2 6.0 6.7 5.1 5.0 6.4 5.9 5.5 5.6 5.8 6.3 5.8 5.4 PREVAILING WIND PERCENT 12.3 18.6 11.0 12.0 14.8 16.0 22.6 12.3 18.0 19.4 12.7 5.9 11.6 CALMS PERCENT OF WIND 61.3 59.3 58.7 56.7 52.3 50.0 32.9 51.6 50.0 44.5 55.3 83.4 55.4 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 205 1875 VECTOR WIND DIRECTION (MEAN) 338 287 300 327 321 341 347 359 346 343 322 328 333 VECTOR WIND MAGNITUDE(KNOTS) 0.7 1.4 0.8 1.0 1.0 1.8 2.6 1.2 1.0 1.6 1.2 0.4 1.1 WIND STEADINESES (MEAN %) 28.0 60.9 33.3 43.5 37.0 60.0 70.3 40.0 33.3 47.1 42.9 40.0 40.7 WIND SPEED (MEAN KNOTS) 2.5 2.3 2.4 2.3 2.7 3.0 3.7 3.0 3.0 3.4 2.8 1.0 2.7 FASTEST WIND DIRECTION 270 270 270 300 360 360 300 240 360 60 360 360 270 FASTEST WIND SPEED (KNOTS) 16 12 12 10 12 12 14 12 10 14 12 16 16 DAY 4 27 5 5 28 5 13 24 3 15 5 31 DAYS WITH SKY CLEAR (0-2)/8 21 18 17 12 20 29 29 28 28 31 26 24 283 DAYS WITH P.CLOUDY (3-6)/8 9 6 10 15 11 1 2 3 2 0 3 4 66 DAYS WITH CLOUDY (7-8)/8 1 4 4 3 0 0 0 0 0 0 1 3 16 DAYS WITH VISIBILITY =< 2 KM 0 0 0 0 0 0 0 0 0 0 0 0 0 DURATION OF SUNSHINE HOURS 246.3 217.0 213.6 209.8 288.0 339.7 344.4 293.8 311.2 313.2 274.3 248.5 3299.8 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1983 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 896.9 895.1 893.9 892.4 890.4 887.8 885.3 885.2 889.5 896.1 899.1 898.1 892.5 MAX. QFE PRESSURE IN HPA 907.0 902.9 901.8 898.5 896.3 896.6 891.4 889.3 896.2 904.2 906.4 906.9 907.0 DAY-HOUR 8- 6 23- 6 26- 6 19- 6 8- 6 1- 6 11- 6 31- 6 30- 6 28- 6 5- 6 4- 6 MIN. QFE PRESSURE IN HPA 884.5 885.7 886.1 886.2 885.0 880.7 879.4 880.7 883.3 888.2 893.7 887.1 879.4 DAY-HOUR 24-15 28-12 7- 3 1-15 12-12 28-15 27-15 5-12 9-12 5-12 11-15 27-12 MEAN QNH PRESSURE IN HPA 1018.9 1017.0 1015.7 1013.9 1011.7 1008.9 1006.1 1006.0 1010.7 1018.1 1021.4 1020.3 1014.1 MAX. QNH PRESSURE IN HPA 1030.2 1025.6 1024.4 1020.8 1018.3 1018.7 1012.9 1010.6 1018.2 1027.1 1029.5 1030.1 1030.2 DAY-HOUR 8- 6 23- 6 26- 6 19- 6 8- 6 1- 6 11- 6 31- 6 30- 6 28- 6 5- 6 4- 6 MIN. QNH PRESSURE IN HPA 1005.2 1006.6 1007.0 1007.1 1005.8 1001.0 999.6 1001.0 1003.9 1009.3 1015.4 1008.1 999.6 DAY-HOUR 24-15 28-12 7- 3 1-15 12-12 28-15 27-15 5-12 9-12 5-12 11-15 27-12 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1020.2 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1029.6 ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 25- 6 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1005.8 ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 12-15 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 897.2 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 903.0 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 25 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 890.9 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 31 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1019.3 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1025.7 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 25 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1012.3 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 31 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1019.6 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1027.3 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 25 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1009.8 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 31 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 897.0 895.5 894.2 892.8 891.1 888.5 886.0 885.8 890.1 896.6 899.5 898.4 893.0 MAX. QFE PRESSURE IN HPA 905.5 900.8 900.5 897.3 895.0 895.7 890.9 888.5 894.8 903.4 904.1 905.1 905.5 DAY 8 11 26 19 8 1 12 31 30 28 27 4 MIN. QFE PRESSURE IN HPA 888.5 887.8 886.1 889.5 887.3 882.5 881.2 882.2 885.0 890.5 894.9 890.9 881.2 DAY 25 28 7 2 12 29 27 5 9 5 12 31 MEAN QNH PRESSURE IN HPA 1019.1 1017.4 1016.0 1014.4 1012.5 1009.7 1006.9 1006.7 1011.4 1018.6 1021.9 1020.6 1014.6 MAX. QNH PRESSURE IN HPA 1028.5 1023.3 1023.0 1019.4 1016.9 1017.7 1012.3 1009.7 1016.7 1026.2 1027.0 1028.1 1028.5 DAY 8 11 26 19 8 1 12 31 30 28 27 4 MIN. QNH PRESSURE IN HPA 1009.7 1008.9 1007.0 1010.8 1008.3 1003.0 1001.6 1002.7 1005.8 1011.9 1016.8 1012.3 1001.6 DAY 25 28 7 2 12 29 27 5 9 5 12 31 MEAN QFF PRESSURE IN HPA 1019.2 1016.3 1013.6 1009.4 1003.8 999.2 996.1 996.2 1002.6 1013.6 1018.8 1020.5 1009.1 MAX. QFF PRESSURE IN HPA 1030.3 1025.3 1023.1 1014.4 1008.6 1008.5 1002.1 999.2 1009.4 1022.4 1025.5 1029.1 1030.3 DAY 11 24 19 3 8 1 12 18 30 28 27 25 MIN. QFF PRESSURE IN HPA 1007.6 1005.0 1002.2 1003.2 998.2 991.2 989.9 991.2 995.1 1003.4 1013.2 1009.2 989.9 DAY 25 28 7 25 30 29 28 5 9 5 12 12 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1983 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 898.4 896.6 895.3 893.9 891.8 889.0 886.4 886.5 890.8 897.6 900.7 899.7 893.9 MAX. QFE PRESSURE IN HPA 907.0 902.9 901.8 898.5 896.3 896.6 891.4 889.3 896.2 904.2 906.4 906.9 907.0 DAY 8 23 26 19 8 1 11 31 30 28 5 4 MIN. QFE PRESSURE IN HPA 890.0 888.2 888.0 890.2 888.0 882.9 881.6 883.2 885.6 891.3 896.5 891.3 881.6 DAY 24 28 7 25 30 29 27 5 9 5 12 12 MEAN QNH PRESSURE IN HPA 1020.7 1018.7 1017.2 1015.6 1013.3 1010.2 1007.4 1007.4 1012.2 1019.8 1023.2 1022.1 1015.6 MAX. QNH PRESSURE IN HPA 1030.2 1025.6 1024.4 1020.8 1018.3 1018.7 1012.9 1010.6 1018.2 1027.1 1029.5 1030.1 1030.2 DAY 8 23 26 19 8 1 11 31 30 28 5 4 MIN. QNH PRESSURE IN HPA 1011.3 1009.3 1009.1 1011.6 1009.1 1003.5 1002.0 1003.8 1006.4 1012.8 1018.5 1012.8 1002.0 DAY 24 28 7 25 30 29 27 5 9 5 12 12 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1022.3 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1029.6 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 25 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1013.1 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 31 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 897.0 895.4 894.5 892.9 890.8 888.2 885.7 885.6 889.8 896.3 899.1 898.2 892.8 MAX. QFE PRESSURE IN HPA 905.6 902.1 900.6 897.6 894.6 895.7 890.9 889.2 895.0 902.5 905.2 905.0 905.6 DAY 11 23 26 19 8 1 11 8 30 28 5 4 MIN. QFE PRESSURE IN HPA 887.9 887.5 888.6 888.8 887.3 882.2 880.6 882.2 884.7 890.4 894.8 888.9 880.6 DAY 24 28 23 25 12 29 28 5 9 5 12 12 MEAN QNH PRESSURE IN HPA 1019.1 1017.3 1016.3 1014.5 1012.2 1009.4 1006.6 1006.5 1011.1 1018.4 1021.5 1020.5 1014.4 MAX. QNH PRESSURE IN HPA 1028.6 1024.8 1023.1 1019.8 1016.4 1017.7 1012.3 1010.4 1016.9 1025.2 1028.2 1028.0 1028.6 DAY 11 23 26 19 8 1 11 8 30 28 5 4 MIN. QNH PRESSURE IN HPA 1009.0 1008.6 1009.8 1010.0 1008.3 1002.7 1000.9 1002.7 1005.4 1011.8 1016.7 1010.1 1000.9 DAY 24 28 23 25 12 29 28 5 9 5 12 12 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1020.0 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1028.0 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 25 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1011.1 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 27 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 895.6 893.7 892.5 891.1 889.0 886.8 884.3 884.1 888.2 894.7 897.8 896.9 891.2 MAX. QFE PRESSURE IN HPA 904.6 900.2 898.3 896.1 892.9 893.7 888.6 887.6 893.5 901.0 904.2 903.8 904.6 DAY 11 23 26 19 5 1 11 8 30 27 5 4 MIN. QFE PRESSURE IN HPA 886.6 885.7 887.0 886.6 885.0 881.2 879.7 880.7 883.3 888.2 893.7 887.1 879.7 DAY 24 28 23 1 12 29 27 5 9 5 12 27 MEAN QNH PRESSURE IN HPA 1017.5 1015.4 1014.1 1012.6 1010.3 1007.8 1005.1 1004.8 1009.3 1016.5 1020.0 1018.9 1012.7 MAX. QNH PRESSURE IN HPA 1027.5 1022.6 1020.5 1018.1 1014.5 1015.4 1009.8 1008.7 1015.2 1023.5 1027.1 1026.6 1027.5 DAY 11 23 26 19 5 1 11 8 30 27 5 4 MIN. QNH PRESSURE IN HPA 1007.6 1006.6 1008.0 1007.6 1005.8 1001.6 999.9 1001.0 1003.9 1009.3 1015.4 1008.1 999.9 DAY 24 28 23 1 12 29 27 5 9 5 12 27 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1018.7 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1026.5 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 25 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1007.0 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 27 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1983 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 896.3 894.3 893.0 891.2 889.2 886.5 884.1 884.1 888.5 895.2 898.3 897.5 891.5 MAX. QFE PRESSURE IN HPA 905.6 900.8 898.9 896.2 893.2 893.6 888.4 887.2 894.0 901.4 904.3 904.2 905.6 DAY 8 23 26 19 5 1 11 8 30 28 5 4 MIN. QFE PRESSURE IN HPA 884.5 887.9 887.3 886.2 885.2 880.7 879.4 880.9 883.6 889.4 893.7 887.4 879.4 DAY 24 28 6 1 12 28 27 4 9 4 11 27 MEAN QNH PRESSURE IN HPA 1018.3 1016.1 1014.7 1012.7 1010.4 1007.4 1004.8 1004.8 1009.7 1017.1 1020.6 1019.6 1013.0 MAX. QNH PRESSURE IN HPA 1028.6 1023.3 1021.2 1018.2 1014.9 1015.3 1009.6 1008.2 1015.8 1024.0 1027.2 1027.1 1028.6 DAY 8 23 26 19 5 1 11 8 30 28 5 4 MIN. QNH PRESSURE IN HPA 1005.2 1009.0 1008.3 1007.1 1006.0 1001.0 999.6 1001.2 1004.2 1010.7 1015.4 1008.4 999.6 DAY 24 28 6 1 12 28 27 4 9 4 11 27 MEAN QFF PRESSURE IN HPA 1018.4 1014.8 1012.2 1007.5 1001.6 996.7 993.8 994.2 1000.8 1012.0 1017.4 1019.5 1007.4 MAX. QFF PRESSURE IN HPA 1031.0 1024.4 1020.5 1011.5 1006.9 1006.4 999.1 997.7 1008.3 1020.1 1023.6 1028.9 1031.0 DAY 11 23 19 16 5 1 11 8 30 28 27 25 MIN. QFF PRESSURE IN HPA 1003.5 1006.0 1004.2 1000.6 996.8 989.0 987.7 989.8 993.1 1001.9 1012.3 1005.8 987.7 DAY 24 27 23 25 29 28 27 4 9 4 12 12 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 898.5 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 904.2 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 25 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 890.4 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 27 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1020.8 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1027.1 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 25 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1011.8 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 27 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1021.4 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1029.2 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 25 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1010.5 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 27 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 898.0 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 903.6 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 25 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 890.5 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 27 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1020.2 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1026.4 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 25 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1011.9 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 27 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1020.0 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1027.1 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 25 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1009.6 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 27 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1984 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 9.0 9.1 19.5 24.0 27.5 31.8 31.8 33.4 27.5 19.9 18.0 8.0 21.6 MINIMUN AIR TEMPERATURE (C) 4.0 3.8 13.6 17.1 20.7 25.3 25.5 27.3 21.6 13.3 12.5 3.3 15.7 DAYS WITH MINIMUM TEMP. >=21 0 0 1 5 14 30 31 31 20 0 0 0 132 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 1 7 0 0 0 0 0 0 0 0 0 8 16 TEMPERATURE RECORDS LOWEST(C) -0.2 -2.0 7.6 13.0 15.0 22.0 23.6 24.6 15.0 7.0 7.4 -2.0 -2.0 DAY 31 20 18 1 3 2 6 31 30 23 18 21 MAXIMUM AIR TEMPERATURE (C) 15.8 15.5 26.4 31.3 34.5 38.0 38.2 40.6 34.5 28.2 25.8 14.1 28.6 DAYS WITH MAXIMUM TEMP. >=30 0 0 5 20 28 30 31 31 29 10 1 0 185 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 23.0 29.2 32.2 36.5 41.0 41.5 41.0 43.0 38.4 35.4 30.0 26.0 43.0 DAY 28 14 9 24 29 7 31 8 9 7 3 14 DIF. BETWEEN (MAX.-MIN.) (C) 11.8 11.7 12.8 14.2 13.8 12.7 12.7 13.3 12.9 14.9 13.3 10.8 12.9 MEAN DAILY TEMP. (MDT) (C) 9.9 9.6 20.0 24.2 27.6 31.7 31.9 33.9 28.1 20.8 19.1 8.7 22.1 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.5 22.6 103.3 204.6 319.6 337.6 400.6 211.7 41.7 4.7 0.0 1647.0 HEATING DEG. DAYS(BASE 18 0C) 250.8 247.9 10.7 0.0 0.0 0.0 0.0 0.0 0.0 13.9 13.0 289.0 825.3 DEWPOINT (MEAN C) -1.9 -4.1 3.0 2.8 3.6 5.8 6.8 10.4 5.3 -1.8 1.1 -2.6 2.4 MIXING RATIO (G/KG) 3.85 3.38 5.49 5.46 5.76 6.73 7.26 9.36 6.73 4.03 4.79 3.77 5.55 VAPOUR PRESSURE (HPA) 5.51 4.85 7.82 7.76 8.15 9.47 10.20 13.10 9.53 5.77 6.84 5.40 7.87 SATURATION DEF. (HPA) 6.52 7.59 15.85 23.69 30.39 38.85 38.25 40.00 28.84 19.07 14.64 6.06 22.48 RELATIVE HUMIDITY (MEAN %) 50 44 36 28 23 20 22 26 26 25 34 51 32 RELATIVE HUMIDITY (MAX. %) 68 62 54 44 34 27 29 34 34 38 51 70 45 RELATIVE HUMIDITY (MIN. %) 33 28 21 16 15 16 17 18 18 17 23 32 21 RELATIVE HUMIDITY (MEAN% 03UTC) 57 52 45 38 29 24 25 30 28 26 35 61 38 RELATIVE HUMIDITY (MEAN% 09UTC) 36 30 24 18 17 17 18 20 20 18 25 37 23 RELATIVE HUMIDITY (MEAN% 15UTC) 49 40 33 23 19 19 21 24 26 29 41 49 31 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 27.1 1.9 5.5 7.2 0.2 0.0 0.0 0.0 0.0 0.0 0.0 7.1 49.0 DAYS WITH PRECIPITATION >=10 1 0 0 0 0 0 0 0 0 0 0 0 1 DAYS WITH PRECIPITATION >= 5 2 0 0 1 0 0 0 0 0 0 0 0 3 DAYS WITH PRECIPITATION >= 1 2 1 1 1 0 0 0 0 0 0 0 3 8 DAYS WITH PRECIPITATION 3 2 3 3 1 0 0 0 0 0 0 3 15 GREATEST DAILY PRECIPITATION 21.0 1.0 4.4 7.0 0.2 0.0 0.0 0.0 0.0 0.0 0.0 3.5 21.0 DAY 11 26 23 9 10 ** ** ** ** ** ** 11 DAY WITH THUNDER STORM 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH SNOW OR SLEET 1 0 0 0 0 0 0 0 0 0 0 0 1 DAYS WITH DUST 0 0 0 0 1 0 0 0 0 3 0 0 4 WIND DIRECTION (PREVAILING) 270 360 270 270 225 360 360 45 360 270 270 135 270 PREVAILING WIND SPEED(KNOTS) 5.9 7.8 7.2 6.5 7.1 6.4 7.1 6.3 6.9 6.8 6.1 5.0 6.4 PREVAILING WIND PERCENT 8.1 3.9 8.1 6.7 6.0 15.8 17.7 11.3 7.9 10.5 7.1 0.8 5.5 CALMS PERCENT OF WIND 82.7 84.9 70.6 70.4 73.8 57.9 61.3 76.2 80.0 70.6 85.0 96.4 75.8 NO. OF WIND OBSERVATION 248 232 248 240 248 240 248 248 240 248 240 248 2928 VECTOR WIND DIRECTION (MEAN) 293 344 276 293 313 343 347 3 342 309 301 240 326 VECTOR WIND MAGNITUDE(KNOTS) 0.4 0.4 1.1 0.8 0.7 1.9 2.0 1.0 0.9 1.0 0.4 0.1 0.8 WIND STEADINESES (MEAN %) 40.0 36.4 52.4 42.1 38.9 76.0 80.0 66.7 69.2 52.6 44.4 33.3 50.0 WIND SPEED (MEAN KNOTS) 1.0 1.1 2.1 1.9 1.8 2.5 2.5 1.5 1.3 1.9 0.9 0.3 1.6 FASTEST WIND DIRECTION 260 240 240 360 360 350 360 270 360 60 270 250 260 FASTEST WIND SPEED (KNOTS) 19 14 16 12 16 14 12 14 12 14 16 12 19 DAY 29 14 14 4 2 29 6 25 2 28 19 11 DAYS WITH SKY CLEAR (0-2)/8 25 23 11 21 24 29 31 29 28 30 23 19 293 DAYS WITH P.CLOUDY (3-6)/8 3 4 15 9 7 1 0 2 2 1 7 9 60 DAYS WITH CLOUDY (7-8)/8 3 2 5 0 0 0 0 0 0 0 0 3 13 DAYS WITH VISIBILITY =< 2 KM 0 0 0 0 0 0 0 0 0 0 0 0 0 DURATION OF SUNSHINE HOURS 246.2 239.2 193.8 262.8 299.9 325.6 314.4 283.0 292.5 296.8 239.6 208.6 3202.4 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1984 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 896.0 897.7 893.7 891.7 889.3 885.2 885.0 884.2 891.5 897.7 897.2 898.4 892.3 MAX. QFE PRESSURE IN HPA 905.2 905.0 902.1 896.8 894.1 891.4 888.9 887.3 896.4 905.6 905.0 905.1 905.6 DAY-HOUR 5- 6 20- 6 4- 6 2- 6 26- 6 4- 6 4- 3 24- 6 26- 6 9- 6 27- 6 20- 6 MIN. QFE PRESSURE IN HPA 886.2 886.8 885.1 884.3 883.0 879.9 880.7 881.0 884.0 889.5 890.8 889.4 879.9 DAY-HOUR 17- 3 8-12 14- 0 26-12 29-15 7-15 15-15 8-15 1-12 18-12 15-21 7-12 MEAN QNH PRESSURE IN HPA 1018.0 1019.8 1015.5 1013.2 1010.6 1006.0 1005.8 1004.9 1013.0 1019.9 1019.3 1020.7 1013.9 MAX. QNH PRESSURE IN HPA 1028.2 1028.0 1024.8 1018.9 1015.9 1012.9 1010.1 1008.3 1018.4 1028.6 1028.0 1028.1 1028.6 DAY-HOUR 5- 6 20- 6 4- 6 2- 6 26- 6 4- 6 4- 3 24- 6 26- 6 9- 6 27- 6 20- 6 MIN. QNH PRESSURE IN HPA 1007.1 1007.8 1005.9 1005.0 1003.6 1000.1 1001.0 1001.3 1004.7 1010.8 1012.2 1010.7 1000.1 DAY-HOUR 17- 3 8-12 14- 0 26-12 29-15 7-15 15-15 8-15 1-12 18-12 15-21 7-12 MEAN QFF PRESSURE IN HPA 1017.5 1019.5 1010.3 1006.1 1002.0 995.6 995.4 993.7 1004.3 1014.7 1014.8 1020.7 1007.9 MAX. QFF PRESSURE IN HPA 1028.6 1030.6 1021.6 1014.2 1009.0 1003.1 1000.0 998.2 1012.7 1025.8 1024.3 1030.3 1030.6 DAY-HOUR 5- 6 20- 6 4- 6 2- 3 3- 6 4- 6 23- 3 29- 3 30- 3 22- 3 27- 6 20- 6 MIN. QFF PRESSURE IN HPA 1003.5 1004.7 998.5 996.4 992.8 989.1 990.6 989.6 994.5 1002.2 1006.3 1007.4 989.1 DAY-HOUR 29-12 14-12 13- 0 26-12 30-12 7-18 15-18 8-12 1-12 18-12 16- 0 7-12 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 895.6 896.8 893.2 891.6 889.1 885.1 885.0 884.2 891.3 897.5 897.0 898.3 892.1 MAX. QFE PRESSURE IN HPA 905.0 902.5 899.7 896.5 891.9 889.5 888.1 886.8 896.0 904.0 903.3 903.5 905.0 DAY 5 21 4 2 9 5 23 28 26 22 27 19 MIN. QFE PRESSURE IN HPA 889.0 888.6 885.1 888.4 884.2 881.1 882.1 882.4 884.7 891.8 890.8 891.6 881.1 DAY 30 8 14 26 30 21 16 8 1 18 16 14 MEAN QNH PRESSURE IN HPA 1017.6 1018.9 1014.9 1013.1 1010.3 1005.9 1005.8 1004.9 1012.7 1019.7 1019.1 1020.5 1013.6 MAX. QNH PRESSURE IN HPA 1028.0 1025.2 1022.1 1018.5 1013.4 1010.8 1009.2 1007.8 1018.0 1026.9 1026.1 1026.3 1028.0 DAY 5 21 4 2 9 5 23 28 26 22 27 19 MIN. QNH PRESSURE IN HPA 1010.2 1009.8 1005.9 1009.6 1004.9 1001.5 1002.6 1002.9 1005.4 1013.3 1012.2 1013.1 1001.5 DAY 30 8 14 26 30 21 16 8 1 18 16 14 MEAN QFF PRESSURE IN HPA 1016.4 1018.2 1009.5 1005.8 1001.7 995.3 995.4 993.5 1003.9 1014.2 1014.3 1020.2 1007.4 MAX. QFF PRESSURE IN HPA 1027.2 1027.4 1018.4 1013.0 1007.0 1000.8 998.9 996.5 1010.6 1024.0 1021.6 1027.2 1027.4 DAY 5 21 4 2 4 4 23 28 27 22 27 19 MIN. QFF PRESSURE IN HPA 1007.0 1005.7 998.5 1000.5 993.5 991.0 991.8 990.6 995.4 1004.7 1006.3 1009.4 990.6 DAY 29 9 13 25 30 21 16 8 1 19 16 15 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 895.9 897.7 894.0 892.3 890.0 886.1 885.7 884.7 891.9 898.2 897.5 898.7 892.7 MAX. QFE PRESSURE IN HPA 904.4 903.6 900.8 896.3 892.9 890.5 888.9 887.0 896.1 904.6 903.6 904.0 904.6 DAY 5 20 4 2 26 4 4 28 26 9 27 19 MIN. QFE PRESSURE IN HPA 886.2 888.5 885.4 888.2 885.6 882.0 882.2 882.8 885.2 892.3 892.7 891.6 882.0 DAY 17 8 13 26 29 21 16 12 1 18 16 14 MEAN QNH PRESSURE IN HPA 1017.9 1019.8 1015.8 1013.9 1011.4 1007.0 1006.6 1005.5 1013.4 1020.4 1019.7 1021.0 1014.4 MAX. QNH PRESSURE IN HPA 1027.3 1026.4 1023.3 1018.3 1014.5 1011.9 1010.1 1008.0 1018.1 1027.5 1026.4 1026.9 1027.5 DAY 5 20 4 2 26 4 4 28 26 9 27 19 MIN. QNH PRESSURE IN HPA 1007.1 1009.7 1006.2 1009.3 1006.4 1002.5 1002.7 1003.3 1006.0 1013.9 1014.3 1013.1 1002.5 DAY 17 8 13 26 29 21 16 12 1 18 16 14 MEAN QFF PRESSURE IN HPA 1018.1 1020.2 1011.3 1007.6 1003.4 997.2 996.8 995.1 1005.6 1016.4 1016.4 1021.7 1009.2 MAX. QFF PRESSURE IN HPA 1027.8 1030.1 1020.9 1014.2 1008.5 1002.5 1000.0 998.2 1012.7 1025.8 1023.7 1029.4 1030.1 DAY 5 20 4 2 3 4 23 29 30 22 27 24 MIN. QFF PRESSURE IN HPA 1004.3 1008.7 998.7 1001.5 995.7 992.3 992.6 992.6 997.0 1007.8 1009.3 1010.1 992.3 DAY 17 8 13 26 30 22 16 8 1 18 13 14 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1984 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 897.7 899.5 895.2 893.3 891.0 886.5 886.2 885.2 892.7 899.2 898.6 899.9 893.8 MAX. QFE PRESSURE IN HPA 905.2 905.0 902.1 896.8 894.1 891.4 888.7 887.3 896.4 905.6 905.0 905.1 905.6 DAY 5 20 4 2 26 4 4 24 26 9 27 20 MIN. QFE PRESSURE IN HPA 888.0 890.8 887.2 888.2 886.3 882.0 883.0 883.0 886.0 892.8 893.9 892.3 882.0 DAY 17 8 13 26 29 21 16 8 1 18 14 7 MEAN QNH PRESSURE IN HPA 1019.9 1021.9 1017.1 1015.0 1012.4 1007.5 1007.1 1006.0 1014.3 1021.6 1020.9 1022.3 1015.5 MAX. QNH PRESSURE IN HPA 1028.2 1028.0 1024.8 1018.9 1015.9 1012.9 1009.9 1008.3 1018.4 1028.6 1028.0 1028.1 1028.6 DAY 5 20 4 2 26 4 4 24 26 9 27 20 MIN. QNH PRESSURE IN HPA 1009.1 1012.2 1008.2 1009.3 1007.2 1002.5 1003.6 1003.6 1006.9 1014.4 1015.7 1013.9 1002.5 DAY 17 8 13 26 29 21 16 8 1 18 14 7 MEAN QFF PRESSURE IN HPA 1019.8 1021.7 1012.0 1007.7 1003.7 996.9 996.5 994.7 1005.4 1016.3 1016.4 1022.4 1009.5 MAX. QFF PRESSURE IN HPA 1028.6 1030.6 1021.6 1013.4 1009.0 1003.1 999.6 996.9 1011.8 1024.8 1024.3 1030.3 1030.6 DAY 5 20 4 2 3 4 25 20 30 22 27 20 MIN. QFF PRESSURE IN HPA 1006.9 1010.7 1000.7 1000.0 996.1 991.5 992.0 992.0 996.4 1007.0 1009.5 1010.5 991.5 DAY 17 8 13 26 30 21 16 8 1 18 13 7 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 896.3 898.4 894.1 892.3 890.0 885.6 885.4 884.6 891.8 897.7 897.2 898.4 892.7 MAX. QFE PRESSURE IN HPA 905.1 903.7 900.8 896.1 892.6 890.6 888.0 886.9 895.8 903.5 903.2 904.0 905.1 DAY 5 20 4 14 3 4 22 24 26 9 27 20 MIN. QFE PRESSURE IN HPA 887.1 889.2 886.2 886.5 885.4 881.7 882.1 882.9 884.9 891.0 892.5 891.0 881.7 DAY 17 8 14 26 30 21 16 8 1 18 14 7 MEAN QNH PRESSURE IN HPA 1018.3 1020.6 1015.9 1013.8 1011.3 1006.5 1006.2 1005.4 1013.3 1019.9 1019.3 1020.7 1014.3 MAX. QNH PRESSURE IN HPA 1028.1 1026.5 1023.3 1018.1 1014.2 1012.0 1009.1 1007.9 1017.8 1026.3 1026.0 1026.9 1028.1 DAY 5 20 4 14 3 4 22 24 26 9 27 20 MIN. QNH PRESSURE IN HPA 1008.1 1010.4 1007.1 1007.4 1006.2 1002.1 1002.6 1003.5 1005.7 1012.4 1014.1 1012.4 1002.1 DAY 17 8 14 26 30 21 16 8 1 18 14 7 MEAN QFF PRESSURE IN HPA 1017.2 1019.7 1010.3 1006.3 1002.4 995.7 995.6 993.6 1004.1 1013.9 1014.1 1020.2 1007.8 MAX. QFF PRESSURE IN HPA 1026.6 1028.1 1019.3 1012.4 1008.1 1001.2 998.5 995.8 1010.0 1021.3 1020.9 1028.7 1028.7 DAY 5 20 4 1 3 4 23 24 26 22 27 20 MIN. QFF PRESSURE IN HPA 1005.2 1008.1 1000.5 998.5 994.2 991.4 992.4 991.0 995.1 1004.0 1008.0 1008.5 991.0 DAY 17 14 13 26 30 21 15 8 1 18 14 7 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 894.9 896.6 892.4 890.3 888.3 884.4 884.2 883.5 890.4 896.4 896.0 897.2 891.2 MAX. QFE PRESSURE IN HPA 903.4 902.2 898.1 894.3 890.8 888.8 886.9 886.1 894.2 902.2 902.1 901.7 903.4 DAY 4 20 3 1 5 4 22 29 26 21 27 16 MIN. QFE PRESSURE IN HPA 886.4 886.8 885.2 884.3 883.6 880.4 881.1 881.9 884.0 889.5 891.0 889.4 880.4 DAY 29 8 15 26 29 7 15 8 1 18 14 7 MEAN QNH PRESSURE IN HPA 1016.8 1018.7 1014.0 1011.6 1009.4 1005.1 1004.9 1004.1 1011.8 1018.4 1018.0 1019.3 1012.7 MAX. QNH PRESSURE IN HPA 1026.2 1024.9 1020.3 1016.1 1012.2 1010.0 1007.9 1007.0 1016.0 1024.9 1024.8 1024.3 1026.2 DAY 4 20 3 1 5 4 22 29 26 21 27 16 MIN. QNH PRESSURE IN HPA 1007.3 1007.8 1006.0 1005.0 1004.2 1000.7 1001.5 1002.3 1004.7 1010.8 1012.4 1010.7 1000.7 DAY 29 8 15 26 29 7 15 8 1 18 14 7 MEAN QFF PRESSURE IN HPA 1015.6 1017.9 1008.5 1004.3 1000.6 994.4 994.2 992.6 1002.9 1012.8 1013.1 1019.0 1006.3 MAX. QFF PRESSURE IN HPA 1024.4 1026.9 1016.6 1011.0 1005.4 999.5 997.2 995.9 1009.5 1020.1 1020.5 1026.7 1026.9 DAY 4 20 3 1 3 4 22 29 27 21 27 20 MIN. QFF PRESSURE IN HPA 1003.5 1004.7 999.5 996.4 992.8 989.6 990.6 989.6 994.5 1002.2 1006.7 1007.4 989.6 DAY 29 14 13 26 30 7 15 8 1 18 14 7 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1984 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 895.4 897.0 893.0 890.4 888.0 884.1 883.9 883.4 890.7 896.9 896.7 897.8 891.4 MAX. QFE PRESSURE IN HPA 904.0 903.1 899.1 894.7 891.0 889.1 886.7 885.7 894.5 902.9 902.4 903.1 904.0 DAY 4 20 3 1 5 4 22 29 21 21 27 18 MIN. QFE PRESSURE IN HPA 886.2 887.0 885.7 885.0 883.0 879.9 880.7 881.0 884.4 890.5 891.2 890.7 879.9 DAY 29 8 15 26 29 7 15 8 1 18 14 7 MEAN QNH PRESSURE IN HPA 1017.3 1019.1 1014.7 1011.7 1009.2 1004.8 1004.5 1004.0 1012.1 1019.0 1018.7 1020.0 1012.9 MAX. QNH PRESSURE IN HPA 1026.9 1025.9 1021.4 1016.5 1012.4 1010.3 1007.7 1006.6 1016.3 1025.6 1025.1 1025.9 1026.9 DAY 4 20 3 1 5 4 22 29 21 21 27 18 MIN. QNH PRESSURE IN HPA 1007.1 1008.0 1006.6 1005.8 1003.6 1000.1 1001.0 1001.3 1005.1 1011.9 1012.7 1012.1 1000.1 DAY 29 8 15 26 29 7 15 8 1 18 14 7 MEAN QFF PRESSURE IN HPA 1017.5 1019.3 1010.0 1005.3 1001.1 994.9 994.5 993.4 1004.2 1014.9 1015.3 1020.7 1007.6 MAX. QFF PRESSURE IN HPA 1027.2 1029.3 1019.0 1012.3 1006.5 1000.5 997.4 996.7 1010.5 1022.7 1022.1 1028.1 1029.3 DAY 4 20 2 1 3 4 22 29 30 21 27 20 MIN. QFF PRESSURE IN HPA 1004.7 1005.4 1000.6 998.4 993.2 989.8 990.7 990.2 995.8 1005.5 1008.6 1007.5 989.8 DAY 29 8 12 26 30 7 15 8 1 18 14 14 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 896.4 898.0 894.2 891.9 889.1 885.0 884.9 884.0 891.8 898.0 897.4 898.7 892.4 MAX. QFE PRESSURE IN HPA 905.0 904.1 900.1 896.0 892.5 889.7 887.0 885.6 895.4 904.3 903.0 904.5 905.0 DAY 4 20 3 1 5 4 22 27 25 21 26 18 MIN. QFE PRESSURE IN HPA 888.0 889.0 886.9 887.6 883.9 880.5 881.7 882.0 884.9 891.9 891.6 892.0 880.5 DAY 29 8 13 26 29 7 15 8 1 18 15 14 MEAN QNH PRESSURE IN HPA 1018.4 1020.2 1015.9 1013.4 1010.4 1005.7 1005.7 1004.7 1013.3 1020.2 1019.6 1020.9 1014.0 MAX. QNH PRESSURE IN HPA 1028.0 1027.0 1022.5 1018.0 1014.1 1011.0 1008.0 1006.4 1017.3 1027.2 1025.7 1027.4 1028.0 DAY 4 20 3 1 5 4 22 27 25 21 26 18 MIN. QNH PRESSURE IN HPA 1009.1 1010.2 1007.9 1008.7 1004.6 1000.8 1002.1 1002.5 1005.7 1013.4 1013.1 1013.5 1000.8 DAY 29 8 13 26 29 7 15 8 1 18 15 14 MEAN QFF PRESSURE IN HPA 1018.3 1019.9 1010.7 1006.1 1001.6 995.2 995.1 993.5 1004.5 1014.9 1015.1 1021.0 1008.0 MAX. QFF PRESSURE IN HPA 1028.1 1029.5 1019.1 1013.1 1007.1 1000.6 997.7 995.0 1010.7 1024.2 1021.6 1028.3 1029.5 DAY 4 20 3 1 2 4 21 27 28 21 27 18 MIN. QFF PRESSURE IN HPA 1005.7 1006.0 1000.6 999.6 993.0 989.1 990.6 990.9 995.2 1005.6 1008.6 1009.1 989.1 DAY 29 8 12 26 29 7 15 8 1 7 14 14 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 896.1 897.6 894.0 891.9 889.2 885.1 885.0 884.2 891.7 898.0 897.2 898.6 892.4 MAX. QFE PRESSURE IN HPA 905.0 903.5 899.9 896.0 892.4 889.7 887.9 886.4 896.0 904.3 903.0 904.5 905.0 DAY 4 22 3 1 8 4 22 27 25 21 26 18 MIN. QFE PRESSURE IN HPA 888.5 889.1 886.4 888.0 884.4 881.9 881.7 882.0 886.0 892.0 890.8 892.0 881.7 DAY 29 8 14 25 29 21 15 8 1 7 15 14 MEAN QNH PRESSURE IN HPA 1018.1 1019.8 1015.7 1013.4 1010.4 1005.9 1005.8 1004.9 1013.3 1020.1 1019.4 1020.8 1014.0 MAX. QNH PRESSURE IN HPA 1028.0 1026.3 1022.3 1018.0 1014.0 1011.0 1009.0 1007.3 1018.0 1027.2 1025.7 1027.4 1028.0 DAY 4 22 3 1 8 4 22 27 25 21 26 18 MIN. QNH PRESSURE IN HPA 1009.7 1010.3 1007.3 1009.1 1005.1 1002.3 1002.1 1002.5 1006.9 1013.5 1012.2 1013.5 1002.1 DAY 29 8 14 25 29 21 15 8 1 7 15 14 MEAN QFF PRESSURE IN HPA 1017.0 1018.9 1010.0 1005.8 1001.5 995.3 995.3 993.3 1004.2 1014.3 1014.2 1020.4 1007.5 MAX. QFF PRESSURE IN HPA 1026.7 1027.8 1018.2 1012.7 1006.9 1000.3 998.4 995.7 1010.2 1023.9 1020.6 1027.6 1027.8 DAY 4 20 3 1 2 4 22 27 25 21 26 18 MIN. QFF PRESSURE IN HPA 1005.9 1005.8 1000.1 1000.0 993.0 990.6 992.5 990.4 996.5 1004.4 1006.5 1008.1 990.4 DAY 29 8 12 25 29 7 16 8 1 18 15 14 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1985 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 11.6 15.6 16.2 23.9 28.4 33.8 35.3 30.4 28.7 23.8 17.4 12.5 23.1 MINIMUN AIR TEMPERATURE (C) 6.8 9.8 10.0 17.9 22.2 27.2 29.3 25.0 21.8 17.7 12.1 7.6 17.3 DAYS WITH MINIMUM TEMP. >=21 0 0 1 5 22 30 31 31 19 7 0 0 146 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 1 0 0 0 0 0 0 0 0 0 0 0 1 TEMPERATURE RECORDS LOWEST(C) -2.0 3.6 1.6 11.0 17.6 24.0 27.0 22.0 19.4 13.0 7.0 2.0 -2.0 DAY 1 8 12 1 9 1 15 22 1 17 22 29 MAXIMUM AIR TEMPERATURE (C) 18.0 22.8 23.0 30.1 34.3 39.8 40.3 35.1 35.2 30.4 24.0 18.3 29.3 DAYS WITH MAXIMUM TEMP. >=30 0 0 4 15 28 30 31 31 30 15 0 0 184 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 25.0 29.6 33.8 37.0 39.6 44.0 45.0 39.0 39.6 36.0 29.0 26.0 45.0 DAY 24 16 24 23 21 8 28 1 8 2 13 3 DIF. BETWEEN (MAX.-MIN.) (C) 11.2 13.0 13.0 12.2 12.1 12.6 11.0 10.1 13.4 12.7 11.9 10.7 12.0 MEAN DAILY TEMP. (MDT) (C) 12.4 16.3 16.5 24.0 28.3 33.5 34.8 30.1 28.5 24.0 18.1 13.0 23.3 COOLING DEG. DAYS(BASE 21 0C) 0.0 2.2 21.4 102.7 225.5 374.7 428.2 280.8 224.7 96.2 1.8 0.0 1758.2 HEATING DEG. DAYS(BASE 18 0C) 176.9 68.8 101.4 2.3 0.0 0.0 0.0 0.0 0.0 0.0 33.2 161.8 544.4 DEWPOINT (MEAN C) 1.8 -4.4 -1.2 -0.7 3.9 2.9 7.9 3.6 -4.8 -1.4 -0.6 -1.2 0.5 MIXING RATIO (G/KG) 4.96 3.35 4.23 4.41 5.92 5.81 7.96 6.03 3.30 4.07 4.22 4.12 4.86 VAPOUR PRESSURE (HPA) 7.08 4.76 6.02 6.26 8.39 8.18 11.15 8.51 4.70 5.81 6.05 5.89 6.90 SATURATION DEF. (HPA) 7.26 13.92 14.16 24.89 31.53 45.97 47.26 35.80 36.18 24.86 14.60 9.37 25.48 RELATIVE HUMIDITY (MEAN %) 54 28 34 23 23 16 20 20 12 21 32 42 27 RELATIVE HUMIDITY (MAX. %) 74 44 52 38 35 21 27 29 20 30 45 60 40 RELATIVE HUMIDITY (MIN. %) 34 15 19 12 14 11 13 14 7 13 20 26 17 RELATIVE HUMIDITY (MEAN% 03UTC) 64 31 45 30 30 18 24 24 15 26 40 52 33 RELATIVE HUMIDITY (MEAN% 09UTC) 36 17 21 14 15 13 15 19 8 14 23 28 19 RELATIVE HUMIDITY (MEAN% 15UTC) 55 28 29 18 20 14 17 17 11 20 30 41 25 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 30.8 0.0 14.1 1.0 0.7 0.0 0.0 0.0 0.0 0.0 1.5 4.0 52.1 DAYS WITH PRECIPITATION >=10 1 0 1 0 0 0 0 0 0 0 0 0 2 DAYS WITH PRECIPITATION >= 5 2 0 1 0 0 0 0 0 0 0 0 0 3 DAYS WITH PRECIPITATION >= 1 3 0 2 1 0 0 0 0 0 0 1 3 10 DAYS WITH PRECIPITATION 5 0 3 1 3 0 0 0 0 0 1 3 16 GREATEST DAILY PRECIPITATION 23.0 0.0 12.0 1.0 0.3 0.0 0.0 0.0 0.0 0.0 1.5 2.0 23.0 DAY 3 ** 31 3 8 ** ** ** ** ** 14 5 DAY WITH THUNDER STORM 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 0 0 1 0 1 1 14 8 1 1 0 1 28 WIND DIRECTION (PREVAILING) 360 270 270 270 270 360 360 360 315 315 270 270 315 PREVAILING WIND SPEED(KNOTS) 7.2 8.6 7.1 9.6 9.9 8.9 9.8 9.0 9.6 9.6 9.1 8.5 8.9 PREVAILING WIND PERCENT 4.0 10.3 3.6 22.1 21.4 17.7 21.3 28.2 25.9 24.6 15.4 14.5 14.2 CALMS PERCENT OF WIND 92.7 81.7 87.5 37.1 25.0 30.4 33.5 26.6 44.8 47.6 60.4 64.1 52.6 NO. OF WIND OBSERVATION 248 224 248 240 248 237 230 248 239 248 240 248 2898 VECTOR WIND DIRECTION (MEAN) 3 264 272 302 320 332 342 337 316 305 298 298 318 VECTOR WIND MAGNITUDE(KNOTS) 0.4 1.1 0.4 3.6 4.7 3.2 4.4 4.6 4.2 3.6 2.4 1.7 2.7 WIND STEADINESES (MEAN %) 80.0 73.3 44.4 66.7 67.1 51.6 72.1 78.0 76.4 72.0 68.6 54.8 64.3 WIND SPEED (MEAN KNOTS) 0.5 1.5 0.9 5.4 7.0 6.2 6.1 5.9 5.5 5.0 3.5 3.1 4.2 FASTEST WIND DIRECTION 360 240 250 20 300 360 10 360 280 280 290 240 240 FASTEST WIND SPEED (KNOTS) 16 19 19 21 31 25 23 23 23 23 16 39 39 DAY 18 3 25 17 4 9 6 14 4 11 10 19 DAYS WITH SKY CLEAR (0-2)/8 18 27 16 20 20 29 30 29 30 31 27 21 298 DAYS WITH P.CLOUDY (3-6)/8 11 1 11 10 10 1 1 2 0 0 3 7 57 DAYS WITH CLOUDY (7-8)/8 2 0 4 0 1 0 0 0 0 0 0 3 10 DAYS WITH VISIBILITY =< 2 KM 0 0 0 0 0 0 0 0 0 0 0 1 1 DURATION OF SUNSHINE HOURS 218.3 278.5 236.0 269.0 291.4 357.4 320.2 345.0 319.9 306.3 263.4 227.7 3433.1 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1985 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 896.0 891.2 894.5 890.2 890.1 885.3 883.7 888.2 890.9 894.7 897.4 896.3 891.5 MAX. QFE PRESSURE IN HPA 902.3 899.1 906.0 896.3 897.7 890.0 888.0 894.8 896.5 900.5 902.8 903.5 906.0 DAY-HOUR 25- 6 11- 9 6- 6 18- 6 12-18 2- 6 2- 6 30- 6 30- 6 26- 6 17- 6 31- 6 MIN. QFE PRESSURE IN HPA 890.4 882.0 885.0 884.5 883.7 880.8 880.5 883.0 885.2 887.6 892.0 886.8 880.5 DAY-HOUR 17-12 16-15 25-12 11-12 21-15 19-15 27-15 7-15 8-12 11-12 8- 0 19-12 MEAN QNH PRESSURE IN HPA 1018.0 1012.7 1016.3 1011.5 1011.4 1006.1 1004.3 1009.3 1012.3 1016.6 1019.5 1018.3 1013.0 MAX. QNH PRESSURE IN HPA 1025.0 1021.4 1029.1 1018.3 1019.9 1011.3 1009.1 1016.7 1018.5 1023.0 1025.5 1026.3 1029.1 DAY-HOUR 25- 6 11- 9 6- 6 18- 6 12-18 2- 6 2- 6 30- 6 30- 6 26- 6 17- 6 31- 6 MIN. QNH PRESSURE IN HPA 1011.8 1002.5 1005.8 1005.2 1004.3 1001.1 1000.8 1003.6 1006.0 1008.7 1013.5 1007.8 1000.8 DAY-HOUR 17-12 16-15 25-12 11-12 21-15 19-15 27-15 7-15 8-12 11-12 8- 0 19-12 MEAN QFF PRESSURE IN HPA 1016.3 1009.2 1012.6 1004.5 1002.5 995.1 992.4 999.5 1003.5 1009.6 1015.3 1016.3 1006.4 MAX. QFF PRESSURE IN HPA 1022.8 1019.7 1029.2 1012.3 1012.3 1001.5 997.7 1007.6 1009.6 1016.8 1021.8 1026.2 1029.2 DAY-HOUR 25- 6 8- 6 12- 3 18- 6 12-18 2- 6 15- 3 30- 6 30- 3 26- 6 17- 6 31- 6 MIN. QFF PRESSURE IN HPA 1007.0 996.9 996.8 996.1 994.2 989.5 988.3 992.9 994.9 999.8 1008.0 1002.3 988.3 DAY-HOUR 17-12 16-21 25-12 24-18 21-12 8-15 27-15 1- 0 8-12 11-12 8- 0 19-12 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 895.9 891.0 894.0 890.0 889.9 885.2 883.4 887.9 890.9 894.3 897.1 896.0 891.3 MAX. QFE PRESSURE IN HPA 900.4 898.3 904.0 894.1 896.3 888.3 886.3 891.9 894.8 898.0 902.0 901.4 904.0 DAY 25 25 6 18 13 16 16 31 27 24 18 8 MIN. QFE PRESSURE IN HPA 891.2 882.0 887.2 885.9 885.0 881.0 881.7 884.0 885.5 889.6 892.0 888.0 881.0 DAY 3 17 25 25 22 18 20 6 8 12 8 20 MEAN QNH PRESSURE IN HPA 1017.8 1012.5 1015.8 1011.3 1011.2 1006.0 1004.0 1009.0 1012.3 1016.1 1019.2 1018.0 1012.8 MAX. QNH PRESSURE IN HPA 1022.9 1020.5 1026.9 1015.9 1018.3 1009.4 1007.2 1013.4 1016.7 1020.2 1024.6 1024.0 1026.9 DAY 25 25 6 18 13 16 16 31 27 24 18 8 MIN. QNH PRESSURE IN HPA 1012.7 1002.5 1008.2 1006.8 1005.8 1001.3 1002.1 1004.7 1006.3 1010.9 1013.5 1009.1 1001.3 DAY 3 17 25 25 22 18 20 6 8 12 8 20 MEAN QFF PRESSURE IN HPA 1015.9 1008.6 1011.8 1004.3 1002.3 995.0 992.2 999.1 1003.5 1008.8 1014.7 1015.6 1006.0 MAX. QFF PRESSURE IN HPA 1021.5 1018.5 1026.5 1011.7 1011.3 999.2 996.2 1004.4 1008.3 1014.5 1020.9 1023.6 1026.5 DAY 26 25 6 2 13 2 16 30 27 24 18 8 MIN. QFF PRESSURE IN HPA 1008.6 996.9 999.0 996.6 995.1 990.3 989.3 992.9 995.0 1001.8 1008.0 1003.4 989.3 DAY 18 17 25 25 22 19 28 1 8 12 8 20 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 896.0 891.6 894.7 890.6 890.5 885.9 884.4 888.7 891.3 895.1 897.7 896.7 891.9 MAX. QFE PRESSURE IN HPA 901.6 897.1 904.5 894.9 895.6 888.8 887.2 892.9 895.5 899.0 901.1 902.0 904.5 DAY 25 11 6 21 13 2 15 30 30 26 18 8 MIN. QFE PRESSURE IN HPA 891.4 883.0 887.0 886.5 887.0 883.0 881.8 885.0 886.5 890.5 892.0 888.8 881.8 DAY 3 17 25 11 22 19 19 6 8 11 8 19 MEAN QNH PRESSURE IN HPA 1018.0 1013.1 1016.5 1012.0 1011.9 1006.8 1005.2 1009.9 1012.7 1017.0 1019.8 1018.7 1013.5 MAX. QNH PRESSURE IN HPA 1024.2 1019.2 1027.4 1016.8 1017.5 1010.0 1008.2 1014.5 1017.4 1021.3 1023.6 1024.6 1027.4 DAY 25 11 6 21 13 2 15 30 30 26 18 8 MIN. QNH PRESSURE IN HPA 1012.9 1003.6 1008.0 1007.4 1008.0 1003.6 1002.2 1005.8 1007.4 1011.9 1013.5 1010.0 1002.2 DAY 3 17 25 11 22 19 19 6 8 11 8 19 MEAN QFF PRESSURE IN HPA 1017.1 1010.4 1013.5 1005.5 1003.5 996.2 993.8 1000.5 1004.6 1010.9 1016.5 1017.4 1007.5 MAX. QFF PRESSURE IN HPA 1022.8 1018.9 1029.2 1011.1 1010.8 1000.0 997.7 1006.3 1009.6 1015.8 1021.0 1025.5 1029.2 DAY 25 25 12 18 13 2 15 31 30 26 18 8 MIN. QFF PRESSURE IN HPA 1010.5 1000.0 999.7 999.3 997.6 992.6 990.3 994.7 997.2 1004.2 1008.7 1006.2 990.3 DAY 30 17 25 25 22 19 27 1 8 11 8 19 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1985 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 897.2 893.0 896.3 891.8 891.6 886.7 885.0 889.5 892.2 896.4 899.0 897.8 893.0 MAX. QFE PRESSURE IN HPA 902.3 898.3 906.0 896.3 896.6 890.0 888.0 894.8 896.5 900.5 902.8 903.5 906.0 DAY 25 11 6 18 12 2 2 30 30 26 17 31 MIN. QFE PRESSURE IN HPA 892.6 886.0 888.0 887.4 887.5 883.7 882.9 885.1 887.6 891.5 894.8 890.1 882.9 DAY 30 16 25 8 22 19 27 8 8 11 11 19 MEAN QNH PRESSURE IN HPA 1019.4 1014.6 1018.3 1013.3 1013.0 1007.6 1005.7 1010.7 1013.8 1018.4 1021.3 1020.0 1014.7 MAX. QNH PRESSURE IN HPA 1025.0 1020.5 1029.1 1018.3 1018.7 1011.3 1009.1 1016.7 1018.5 1023.0 1025.5 1026.3 1029.1 DAY 25 11 6 18 12 2 2 30 30 26 17 31 MIN. QNH PRESSURE IN HPA 1014.2 1006.9 1009.1 1008.4 1008.6 1004.3 1003.5 1005.9 1008.7 1013.0 1016.7 1011.4 1003.5 DAY 30 16 25 8 22 19 27 8 8 11 11 19 MEAN QFF PRESSURE IN HPA 1018.0 1011.4 1014.5 1006.1 1004.0 996.4 993.4 1000.7 1004.7 1011.4 1017.1 1017.7 1008.0 MAX. QFF PRESSURE IN HPA 1022.8 1019.7 1029.1 1012.3 1011.6 1001.5 997.1 1007.6 1009.6 1016.8 1021.8 1026.2 1029.1 DAY 25 8 6 18 13 2 15 30 30 26 17 31 MIN. QFF PRESSURE IN HPA 1011.1 1002.4 1001.1 1000.6 997.5 992.6 990.1 994.6 997.5 1004.8 1011.9 1006.5 990.1 DAY 30 16 25 25 22 19 28 1 8 11 8 19 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 895.8 891.8 895.1 890.8 890.8 886.0 884.2 888.7 891.2 895.1 897.4 896.1 891.9 MAX. QFE PRESSURE IN HPA 901.1 899.1 903.9 895.3 897.0 889.0 888.0 893.7 895.0 898.8 901.4 902.0 903.9 DAY 25 11 6 18 12 2 2 30 22 26 18 31 MIN. QFE PRESSURE IN HPA 891.2 884.1 886.5 886.0 887.0 883.0 882.0 884.4 886.4 890.2 893.4 888.4 882.0 DAY 2 16 25 8 21 18 19 8 8 11 7 5 MEAN QNH PRESSURE IN HPA 1017.7 1013.4 1017.0 1012.2 1012.2 1006.8 1004.9 1009.9 1012.7 1017.0 1019.6 1018.1 1013.4 MAX. QNH PRESSURE IN HPA 1023.6 1021.4 1026.7 1017.2 1019.1 1010.2 1009.1 1015.4 1016.9 1021.1 1024.0 1024.6 1026.7 DAY 25 11 6 18 12 2 2 30 22 26 18 31 MIN. QNH PRESSURE IN HPA 1012.7 1004.8 1007.4 1006.9 1008.0 1003.6 1002.5 1005.1 1007.3 1011.6 1015.1 1009.6 1002.5 DAY 2 16 25 8 21 18 19 8 8 11 7 5 MEAN QFF PRESSURE IN HPA 1015.4 1009.3 1012.9 1004.9 1003.1 995.8 992.7 999.9 1003.4 1009.7 1014.8 1015.8 1006.5 MAX. QFF PRESSURE IN HPA 1021.5 1019.3 1026.5 1011.1 1010.6 1000.3 996.0 1006.5 1008.1 1014.7 1020.0 1024.6 1026.5 DAY 25 11 6 18 12 2 16 30 26 26 18 31 MIN. QFF PRESSURE IN HPA 1007.7 999.3 998.4 998.4 997.0 991.9 989.6 994.4 996.0 1002.8 1009.4 1004.0 989.6 DAY 17 16 25 24 22 19 28 1 8 11 7 5 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 894.9 890.0 893.2 888.9 889.1 884.5 882.9 887.2 889.8 893.5 896.2 895.2 890.5 MAX. QFE PRESSURE IN HPA 899.5 897.0 901.8 893.3 896.0 888.0 886.0 892.1 893.5 897.0 900.6 900.7 901.8 DAY 25 11 11 21 12 2 2 30 30 26 18 31 MIN. QFE PRESSURE IN HPA 890.4 882.6 885.0 884.5 884.3 881.0 880.7 883.3 885.2 887.6 892.5 886.8 880.7 DAY 17 16 25 11 21 19 27 7 8 11 6 19 MEAN QNH PRESSURE IN HPA 1016.8 1011.4 1014.9 1010.1 1010.3 1005.3 1003.5 1008.2 1011.2 1015.2 1018.2 1017.1 1011.8 MAX. QNH PRESSURE IN HPA 1021.9 1019.1 1024.4 1015.0 1018.0 1009.1 1006.9 1013.7 1015.2 1019.1 1023.1 1023.2 1024.4 DAY 25 11 11 21 12 2 2 30 30 26 18 31 MIN. QNH PRESSURE IN HPA 1011.8 1003.1 1005.8 1005.2 1005.0 1001.3 1001.0 1003.9 1006.0 1008.7 1014.1 1007.8 1001.0 DAY 17 16 25 11 21 19 27 7 8 11 6 19 MEAN QFF PRESSURE IN HPA 1014.8 1007.5 1011.0 1003.0 1001.4 994.2 991.4 998.3 1002.4 1008.0 1013.7 1014.9 1005.1 MAX. QFF PRESSURE IN HPA 1020.0 1016.7 1024.5 1008.6 1010.3 999.3 994.3 1004.8 1006.4 1013.0 1019.4 1023.1 1024.5 DAY 4 11 11 1 12 2 1 30 26 31 18 31 MIN. QFF PRESSURE IN HPA 1007.0 998.0 996.8 996.2 994.2 989.6 988.5 993.3 994.9 999.8 1008.4 1002.3 988.5 DAY 17 26 25 24 21 19 27 7 8 11 7 19 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1985 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 895.9 890.1 893.6 889.1 889.0 884.2 882.8 887.1 890.0 893.8 896.8 896.0 890.7 MAX. QFE PRESSURE IN HPA 900.5 896.0 902.0 893.5 897.0 887.7 885.1 892.1 893.9 897.4 901.0 902.0 902.0 DAY 14 19 11 17 12 6 2 30 30 31 17 8 MIN. QFE PRESSURE IN HPA 891.0 882.0 886.0 884.7 883.7 880.8 880.5 883.0 885.3 887.6 892.5 887.3 880.5 DAY 2 16 24 11 21 19 27 7 7 11 6 5 MEAN QNH PRESSURE IN HPA 1017.9 1011.4 1015.3 1010.3 1010.2 1004.9 1003.3 1008.1 1011.3 1015.5 1018.9 1018.0 1012.1 MAX. QNH PRESSURE IN HPA 1023.0 1018.0 1024.6 1015.2 1019.1 1008.8 1005.9 1013.7 1015.7 1019.5 1023.5 1024.6 1024.6 DAY 14 19 11 17 12 6 2 30 30 31 17 8 MIN. QNH PRESSURE IN HPA 1012.4 1002.5 1006.9 1005.4 1004.3 1001.1 1000.8 1003.6 1006.1 1008.7 1014.1 1008.3 1000.8 DAY 2 16 24 11 21 19 27 7 7 11 6 5 MEAN QFF PRESSURE IN HPA 1016.8 1008.7 1012.3 1003.7 1001.7 994.1 991.9 998.7 1003.1 1009.4 1015.5 1016.8 1006.1 MAX. QFF PRESSURE IN HPA 1021.8 1016.9 1025.8 1009.3 1011.9 998.4 995.1 1004.9 1007.8 1014.3 1020.7 1025.4 1025.8 DAY 4 19 11 2 12 2 2 30 30 31 17 8 MIN. QFF PRESSURE IN HPA 1008.8 997.4 999.8 996.5 994.4 989.5 988.3 993.4 996.3 1000.6 1009.9 1005.2 988.3 DAY 17 26 25 24 21 8 27 7 7 11 7 5 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 896.5 891.2 894.7 890.2 890.0 885.0 883.3 888.2 890.9 895.0 897.6 896.8 891.6 MAX. QFE PRESSURE IN HPA 901.0 898.0 904.0 895.1 897.7 888.0 885.8 893.0 895.0 899.7 901.8 902.2 904.0 DAY 14 24 5 21 12 2 15 30 30 31 17 8 MIN. QFE PRESSURE IN HPA 891.2 882.3 887.5 885.3 885.0 881.9 881.7 884.4 886.0 889.1 893.0 888.1 881.7 DAY 2 16 30 24 21 18 26 7 8 11 7 5 MEAN QNH PRESSURE IN HPA 1018.5 1012.7 1016.6 1011.6 1011.3 1005.8 1003.9 1009.3 1012.4 1016.9 1019.8 1018.8 1013.1 MAX. QNH PRESSURE IN HPA 1023.5 1020.2 1026.9 1017.0 1019.9 1009.1 1006.7 1014.7 1016.9 1022.1 1024.4 1024.9 1026.9 DAY 14 24 5 21 12 2 15 30 30 31 17 8 MIN. QNH PRESSURE IN HPA 1012.7 1002.8 1008.6 1006.1 1005.8 1002.3 1002.1 1005.1 1006.9 1010.3 1014.7 1009.2 1002.1 DAY 2 16 30 24 21 18 26 7 8 11 7 5 MEAN QFF PRESSURE IN HPA 1017.0 1009.4 1012.8 1004.2 1002.1 994.4 991.9 999.4 1003.2 1009.9 1015.5 1016.7 1006.4 MAX. QFF PRESSURE IN HPA 1022.7 1018.7 1027.0 1011.0 1012.3 998.5 995.9 1006.0 1008.2 1015.9 1021.7 1026.1 1027.0 DAY 4 24 5 1 12 1 15 30 30 31 21 31 MIN. QFF PRESSURE IN HPA 1010.2 997.6 1000.9 996.1 994.8 990.3 989.6 994.8 995.7 1001.3 1009.3 1005.1 989.6 DAY 17 16 25 24 21 8 28 7 8 11 7 5 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 896.1 891.3 894.6 890.4 889.9 885.0 883.4 888.3 890.9 894.7 897.4 896.2 891.5 MAX. QFE PRESSURE IN HPA 901.0 898.3 904.0 894.7 897.0 888.0 886.1 892.6 895.1 899.7 901.8 901.7 904.0 DAY 25 24 5 21 12 15 15 30 29 31 17 7 MIN. QFE PRESSURE IN HPA 891.2 882.5 887.6 885.7 885.0 881.3 882.0 884.5 885.7 889.6 892.5 889.0 881.3 DAY 2 16 24 24 21 18 19 6 7 11 7 5 MEAN QNH PRESSURE IN HPA 1018.0 1012.8 1016.4 1011.8 1011.2 1005.8 1004.0 1009.5 1012.4 1016.6 1019.5 1018.2 1013.0 MAX. QNH PRESSURE IN HPA 1023.5 1020.5 1026.9 1016.5 1019.1 1009.1 1007.0 1014.2 1017.0 1022.1 1024.4 1024.3 1026.9 DAY 25 24 5 21 12 15 15 30 29 31 17 7 MIN. QNH PRESSURE IN HPA 1012.7 1003.0 1008.7 1006.6 1005.8 1001.7 1002.5 1005.2 1006.6 1010.9 1014.1 1010.2 1001.7 DAY 2 16 24 24 21 18 19 6 7 11 7 5 MEAN QFF PRESSURE IN HPA 1015.6 1008.7 1012.3 1004.4 1002.0 994.6 992.1 999.6 1003.1 1009.3 1014.8 1016.0 1006.0 MAX. QFF PRESSURE IN HPA 1022.3 1018.7 1026.4 1010.9 1011.3 998.4 996.2 1005.6 1007.9 1015.1 1021.4 1025.0 1026.4 DAY 25 24 5 1 12 1 15 30 29 31 21 31 MIN. QFF PRESSURE IN HPA 1007.5 996.9 1000.1 996.2 995.0 989.8 989.3 994.7 995.2 1001.8 1008.5 1006.9 989.3 DAY 16 16 24 24 21 18 27 6 7 11 7 5 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1986 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 10.5 12.3 14.9 23.9 30.2 34.1 32.9 30.9 27.3 25.3 16.2 9.8 22.4 MINIMUN AIR TEMPERATURE (C) 5.1 7.2 10.0 18.3 24.6 28.2 27.1 24.9 20.9 19.7 11.1 5.5 16.9 DAYS WITH MINIMUM TEMP. >=21 0 0 0 4 28 30 31 31 13 14 0 0 151 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 3 0 0 0 0 0 0 0 0 0 0 5 8 TEMPERATURE RECORDS LOWEST(C) -1.4 2.8 1.8 12.6 19.4 22.6 22.4 21.4 18.0 15.0 5.8 -2.0 -2.0 DAY 25 3 18 1 1 3 24 28 11 18 17 13 MAXIMUM AIR TEMPERATURE (C) 17.3 18.1 20.6 29.7 35.7 39.6 38.1 36.2 33.4 31.7 22.0 14.5 28.1 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 14 31 30 31 31 30 19 3 0 189 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 25.0 23.6 29.0 36.6 40.6 44.4 41.5 39.6 37.2 38.0 31.0 25.6 44.4 DAY 15 10 25 20 16 22 27 1 29 5 10 28 DIF. BETWEEN (MAX.-MIN.) (C) 12.2 10.9 10.6 11.4 11.1 11.4 11.0 11.3 12.5 12.0 10.9 9.0 11.2 MEAN DAILY TEMP. (MDT) (C) 11.2 12.6 15.3 24.0 30.1 33.9 32.6 30.6 27.1 25.7 16.6 10.0 22.5 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 2.5 93.9 283.6 387.5 360.2 296.1 184.2 149.0 14.8 0.0 1771.9 HEATING DEG. DAYS(BASE 18 0C) 211.0 151.1 105.9 0.0 0.0 0.0 0.0 0.0 0.0 0.0 85.8 243.5 797.3 DEWPOINT (MEAN C) -7.5 -1.8 -0.4 5.8 5.8 5.7 2.8 1.5 0.8 -0.5 0.5 -0.4 1.0 MIXING RATIO (G/KG) 2.54 3.90 4.33 6.66 6.96 6.93 5.58 5.12 4.75 4.25 4.60 4.40 5.00 VAPOUR PRESSURE (HPA) 3.64 5.57 6.16 9.45 9.84 9.74 7.86 7.25 6.76 6.08 6.56 6.28 7.10 SATURATION DEF. (HPA) 9.78 9.38 11.82 21.17 34.27 45.40 43.14 38.52 30.78 27.74 13.13 6.86 24.33 RELATIVE HUMIDITY (MEAN %) 30 42 39 34 23 19 16 16 19 20 38 54 29 RELATIVE HUMIDITY (MAX. %) 44 63 60 50 32 27 22 23 25 31 53 73 42 RELATIVE HUMIDITY (MIN. %) 17 24 24 21 16 14 12 12 15 13 25 37 19 RELATIVE HUMIDITY (MEAN% 03UTC) 39 58 53 45 29 23 20 19 23 26 47 61 37 RELATIVE HUMIDITY (MEAN% 09UTC) 19 28 26 23 19 14 14 13 15 14 28 40 21 RELATIVE HUMIDITY (MEAN% 15UTC) 28 35 33 31 21 18 14 15 18 18 36 53 27 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 0.0 2.8 17.1 6.3 0.0 0.8 0.0 0.0 0.0 0.0 30.0 31.4 88.4 DAYS WITH PRECIPITATION >=10 0 0 0 0 0 0 0 0 0 0 2 2 4 DAYS WITH PRECIPITATION >= 5 0 0 2 0 0 0 0 0 0 0 2 2 6 DAYS WITH PRECIPITATION >= 1 0 1 3 3 0 0 0 0 0 0 2 3 12 DAYS WITH PRECIPITATION 0 5 7 6 0 3 0 0 0 0 2 6 29 GREATEST DAILY PRECIPITATION 0.0 1.3 7.0 3.0 0.0 0.6 0.0 0.0 0.0 0.0 16.0 15.0 16.0 DAY ** 2 20 23 ** 8 ** ** ** ** 25 6 DAY WITH THUNDER STORM 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH SNOW OR SLEET 0 0 1 0 0 0 0 0 0 0 0 1 2 DAYS WITH DUST 1 1 1 0 1 1 3 8 2 0 0 3 21 WIND DIRECTION (PREVAILING) 270 270 315 270 270 45 45 360 270 270 315 270 270 PREVAILING WIND SPEED(KNOTS) 11.2 8.8 7.7 9.3 9.6 6.1 6.6 9.6 10.3 11.7 10.2 11.0 9.6 PREVAILING WIND PERCENT 14.5 10.7 12.9 18.3 21.4 15.9 15.7 24.2 34.6 22.2 13.8 12.5 17.3 CALMS PERCENT OF WIND 62.9 68.8 60.5 52.5 42.7 36.0 44.8 15.7 36.3 46.0 60.4 66.5 49.3 NO. OF WIND OBSERVATION 248 224 248 240 248 239 248 248 240 248 240 248 2919 VECTOR WIND DIRECTION (MEAN) 303 315 302 295 308 349 349 338 302 306 306 289 314 VECTOR WIND MAGNITUDE(KNOTS) 2.6 1.4 1.9 2.3 3.3 1.9 2.3 4.8 4.6 3.7 2.1 1.8 2.6 WIND STEADINESES (MEAN %) 70.3 53.8 57.6 57.5 66.0 44.2 60.5 64.0 69.7 66.1 56.8 51.4 57.8 WIND SPEED (MEAN KNOTS) 3.7 2.6 3.3 4.0 5.0 4.3 3.8 7.5 6.6 5.6 3.7 3.5 4.5 FASTEST WIND DIRECTION 250 290 240 280 310 290 20 360 360 270 280 240 250 FASTEST WIND SPEED (KNOTS) 33 27 27 17 29 25 19 27 29 19 19 29 33 DAY 20 26 8 10 1 1 5 20 9 5 1 20 DAYS WITH SKY CLEAR (0-2)/8 26 16 16 16 22 29 29 29 29 30 21 17 280 DAYS WITH P.CLOUDY (3-6)/8 4 11 10 13 9 1 2 2 1 1 6 8 68 DAYS WITH CLOUDY (7-8)/8 1 1 5 1 0 0 0 0 0 0 3 6 17 DAYS WITH VISIBILITY =< 2 KM 0 0 0 0 0 0 0 0 0 0 0 0 0 DURATION OF SUNSHINE HOURS 259.8 207.6 219.2 255.3 300.4 308.3 326.2 343.6 314.1 300.0 229.2 195.4 3259.1 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1986 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 896.3 893.8 892.8 891.5 891.1 884.3 886.2 888.3 892.9 896.0 895.5 895.4 892.0 MAX. QFE PRESSURE IN HPA 905.5 900.7 902.5 899.4 897.7 892.2 890.0 893.3 899.0 902.8 904.0 902.3 905.5 DAY-HOUR 24- 6 22- 6 28- 6 5- 6 20- 6 2- 6 3-18 31-18 23- 6 20- 9 16- 6 7- 6 MIN. QFE PRESSURE IN HPA 883.9 885.0 884.0 885.0 884.4 878.0 882.1 883.6 888.5 891.0 887.0 884.0 878.0 DAY-HOUR 20-12 16-12 8-18 30-12 10-12 20-12 21-12 4-12 5-12 1- 0 7-12 20-18 MEAN QNH PRESSURE IN HPA 1018.3 1015.5 1014.4 1013.0 1012.5 1005.0 1007.1 1009.4 1014.6 1017.9 1017.4 1017.3 1013.6 MAX. QNH PRESSURE IN HPA 1028.5 1023.2 1025.2 1021.8 1019.9 1013.8 1011.3 1015.0 1021.3 1025.5 1026.9 1025.0 1028.5 DAY-HOUR 24- 6 22- 6 28- 6 5- 6 20- 6 2- 6 3-18 31-18 23- 6 20- 9 16- 6 7- 6 MIN. QNH PRESSURE IN HPA 1004.6 1005.8 1004.7 1005.8 1005.1 998.0 1002.6 1004.2 1009.7 1012.4 1008.0 1004.7 998.0 DAY-HOUR 20-12 16-12 8-18 30-12 10-12 20-12 21-12 4-12 5-12 1- 0 7-12 20-18 MEAN QFF PRESSURE IN HPA 1017.3 1013.5 1011.2 1005.8 1002.9 993.8 996.4 999.5 1006.2 1010.4 1013.7 1016.4 1007.3 MAX. QFF PRESSURE IN HPA 1030.1 1021.1 1022.6 1014.0 1011.9 1003.7 1001.3 1005.9 1012.5 1019.2 1025.3 1026.8 1030.1 DAY-HOUR 25- 3 22- 6 17- 6 5- 3 20- 6 5- 3 23- 6 31-21 23- 6 20- 9 16- 6 7- 6 MIN. QFF PRESSURE IN HPA 1000.4 1002.6 999.1 997.6 995.1 985.7 991.2 993.3 1000.9 1003.1 1002.3 1000.2 985.7 DAY-HOUR 20-12 16-12 8-18 30-12 10-15 21- 0 21-12 5-12 30-12 1- 0 7-12 20-18 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 896.3 893.3 892.5 891.5 890.8 884.2 885.9 888.0 892.7 895.5 895.2 894.8 891.7 MAX. QFE PRESSURE IN HPA 903.1 899.4 901.0 896.8 896.5 890.4 889.4 891.7 897.0 900.8 902.4 901.0 903.1 DAY 25 23 28 5 20 3 23 30 22 20 16 7 MIN. QFE PRESSURE IN HPA 885.0 887.0 885.4 886.7 886.6 878.5 883.3 884.8 890.0 891.0 888.4 888.0 878.5 DAY 20 11 9 30 11 21 19 5 9 1 8 21 MEAN QNH PRESSURE IN HPA 1018.3 1015.0 1014.1 1012.9 1012.2 1004.9 1006.8 1009.2 1014.4 1017.5 1017.2 1016.6 1013.3 MAX. QNH PRESSURE IN HPA 1025.9 1021.8 1023.5 1018.9 1018.5 1011.8 1010.7 1013.2 1019.1 1023.3 1025.1 1023.5 1025.9 DAY 25 23 28 5 20 3 23 30 22 20 16 7 MIN. QNH PRESSURE IN HPA 1005.8 1008.0 1006.2 1007.7 1007.6 998.6 1003.9 1005.6 1011.3 1012.4 1009.6 1009.1 998.6 DAY 20 11 9 30 11 21 19 5 9 1 8 21 MEAN QFF PRESSURE IN HPA 1017.0 1012.8 1010.9 1005.8 1002.6 993.8 996.2 999.2 1006.0 1009.8 1013.2 1015.5 1006.9 MAX. QFF PRESSURE IN HPA 1028.1 1019.4 1021.3 1010.7 1010.4 1002.2 1001.0 1004.4 1010.8 1017.0 1023.7 1025.1 1028.1 DAY 25 14 28 5 20 5 24 30 23 20 16 7 MIN. QFF PRESSURE IN HPA 1001.5 1004.2 1001.0 999.5 997.0 985.7 992.5 994.3 1001.6 1003.1 1003.2 1004.4 985.7 DAY 20 16 9 30 11 21 19 5 30 1 8 31 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 896.8 894.1 893.4 892.3 892.0 885.3 886.9 889.0 893.4 896.5 895.9 895.5 892.6 MAX. QFE PRESSURE IN HPA 903.9 899.2 901.5 899.0 897.2 891.5 889.3 892.1 898.0 901.3 902.8 901.0 903.9 DAY 25 23 28 5 20 2 23 30 22 15 16 7 MIN. QFE PRESSURE IN HPA 885.7 887.0 887.5 887.7 888.0 880.3 884.0 886.2 890.0 892.5 890.4 890.0 880.3 DAY 20 16 9 30 11 20 19 4 30 1 8 28 MEAN QNH PRESSURE IN HPA 1018.8 1015.9 1015.1 1013.8 1013.5 1006.1 1007.9 1010.2 1015.1 1018.5 1017.9 1017.4 1014.2 MAX. QNH PRESSURE IN HPA 1026.7 1021.5 1024.1 1021.3 1019.3 1013.0 1010.6 1013.7 1020.2 1023.9 1025.5 1023.5 1026.7 DAY 25 23 28 5 20 2 23 30 22 15 16 7 MIN. QNH PRESSURE IN HPA 1006.6 1008.0 1008.6 1008.8 1009.1 1000.6 1004.7 1007.1 1011.3 1014.1 1011.8 1011.3 1000.6 DAY 20 16 9 30 11 20 19 4 30 1 8 28 MEAN QFF PRESSURE IN HPA 1018.5 1014.5 1012.4 1007.3 1004.2 995.1 997.3 1000.7 1007.3 1011.6 1014.9 1017.1 1008.4 MAX. QFF PRESSURE IN HPA 1030.1 1020.9 1022.3 1014.0 1011.7 1003.7 1001.2 1005.3 1012.4 1018.1 1025.1 1025.7 1030.1 DAY 25 21 28 5 21 5 23 29 23 20 16 13 MIN. QFF PRESSURE IN HPA 1003.5 1005.4 1004.1 1001.1 999.4 988.6 993.4 996.9 1002.1 1006.1 1007.1 1007.1 988.6 DAY 20 16 8 18 11 20 19 5 30 1 8 31 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1986 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 898.1 895.4 894.6 893.2 892.8 885.8 887.4 889.5 894.2 897.6 897.4 897.1 893.6 MAX. QFE PRESSURE IN HPA 905.5 900.7 902.5 899.4 897.7 892.2 889.7 892.9 899.0 902.4 904.0 902.3 905.5 DAY 24 22 28 5 20 2 16 30 23 15 16 7 MIN. QFE PRESSURE IN HPA 887.0 888.0 889.1 888.3 889.0 880.6 884.0 886.6 891.1 894.2 891.6 891.0 880.6 DAY 20 16 25 30 10 20 19 4 5 24 7 28 MEAN QNH PRESSURE IN HPA 1020.4 1017.3 1016.5 1014.9 1014.4 1006.7 1008.5 1010.8 1016.0 1019.8 1019.5 1019.2 1015.3 MAX. QNH PRESSURE IN HPA 1028.5 1023.2 1025.2 1021.8 1019.9 1013.8 1011.0 1014.5 1021.3 1025.1 1026.9 1025.0 1028.5 DAY 24 22 28 5 20 2 16 30 23 15 16 7 MIN. QNH PRESSURE IN HPA 1008.0 1009.1 1010.3 1009.4 1010.2 1000.9 1004.7 1007.6 1012.5 1016.0 1013.1 1012.4 1000.9 DAY 20 16 25 30 10 20 19 4 5 24 7 28 MEAN QFF PRESSURE IN HPA 1019.5 1015.2 1013.2 1007.6 1004.6 995.2 997.6 1000.6 1007.2 1012.1 1015.6 1018.4 1008.9 MAX. QFF PRESSURE IN HPA 1030.0 1021.1 1022.6 1013.9 1011.9 1003.2 1001.3 1005.1 1012.5 1018.8 1025.3 1026.8 1030.0 DAY 24 22 17 5 20 5 23 29 23 20 16 7 MIN. QFF PRESSURE IN HPA 1004.5 1005.6 1004.7 1001.1 1000.4 987.9 993.5 996.7 1002.9 1007.5 1007.6 1008.4 987.9 DAY 20 16 25 18 10 20 19 5 30 1 8 31 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 896.1 894.0 893.2 891.7 891.5 884.8 886.5 888.4 893.2 896.2 895.4 895.4 892.2 MAX. QFE PRESSURE IN HPA 903.4 900.0 901.0 896.7 897.5 891.1 889.0 892.0 898.0 902.8 901.5 901.0 903.4 DAY 24 22 28 15 19 2 6 24 22 20 16 23 MIN. QFE PRESSURE IN HPA 886.0 886.7 886.4 886.5 887.0 879.8 883.1 885.5 889.6 892.6 888.5 889.0 879.8 DAY 20 16 8 30 10 20 19 4 5 24 7 20 MEAN QNH PRESSURE IN HPA 1018.1 1015.8 1014.9 1013.2 1013.0 1005.6 1007.4 1009.6 1014.9 1018.2 1017.3 1017.4 1013.8 MAX. QNH PRESSURE IN HPA 1026.2 1022.4 1023.5 1018.8 1019.6 1012.5 1010.2 1013.5 1020.2 1025.5 1024.1 1023.5 1026.2 DAY 24 22 28 15 19 2 6 24 22 20 16 23 MIN. QNH PRESSURE IN HPA 1006.9 1007.7 1007.3 1007.4 1008.0 1000.0 1003.7 1006.3 1010.9 1014.2 1009.7 1010.2 1000.0 DAY 20 16 8 30 10 20 19 4 5 24 7 20 MEAN QFF PRESSURE IN HPA 1016.6 1013.4 1011.3 1005.8 1003.2 994.1 996.6 999.4 1006.2 1010.3 1013.2 1016.0 1007.2 MAX. QFF PRESSURE IN HPA 1027.6 1019.9 1022.0 1011.6 1011.5 1001.7 999.9 1004.4 1011.2 1019.2 1022.3 1024.4 1027.6 DAY 25 22 17 15 19 2 23 29 22 20 16 7 MIN. QFF PRESSURE IN HPA 1002.5 1003.8 1001.1 999.0 997.4 987.0 991.9 994.9 1001.7 1005.8 1004.1 1005.5 987.0 DAY 20 16 8 30 10 20 19 5 30 1 7 28 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 895.0 892.5 891.6 890.0 889.8 883.3 885.3 887.1 891.8 894.7 894.2 894.4 890.8 MAX. QFE PRESSURE IN HPA 902.6 899.5 899.0 894.7 895.1 889.2 887.0 890.4 897.0 901.0 901.4 899.0 902.6 DAY 24 22 27 15 20 2 3 29 22 20 15 7 MIN. QFE PRESSURE IN HPA 883.9 885.0 885.2 885.0 884.4 878.0 882.1 883.6 888.5 891.3 887.0 887.6 878.0 DAY 20 16 11 30 10 20 21 4 5 25 7 20 MEAN QNH PRESSURE IN HPA 1016.9 1014.1 1013.1 1011.4 1011.1 1003.9 1006.1 1008.1 1013.4 1016.6 1016.0 1016.2 1012.2 MAX. QNH PRESSURE IN HPA 1025.3 1021.9 1021.3 1016.5 1017.0 1010.4 1008.0 1011.8 1019.1 1023.5 1024.0 1021.3 1025.3 DAY 24 22 27 15 20 2 3 29 22 20 15 7 MIN. QNH PRESSURE IN HPA 1004.6 1005.8 1006.0 1005.8 1005.1 998.0 1002.6 1004.2 1009.7 1012.8 1008.0 1008.7 998.0 DAY 20 16 11 30 10 20 21 4 5 25 7 20 MEAN QFF PRESSURE IN HPA 1015.5 1011.9 1009.9 1004.2 1001.4 992.9 995.4 998.2 1004.9 1008.9 1012.0 1015.0 1005.8 MAX. QFF PRESSURE IN HPA 1026.5 1019.7 1019.2 1009.3 1008.9 1000.9 998.4 1003.1 1010.6 1017.3 1021.8 1023.1 1026.5 DAY 24 22 17 15 20 5 23 29 22 20 15 7 MIN. QFF PRESSURE IN HPA 1000.4 1002.6 1001.1 997.6 995.2 986.4 991.2 993.3 1000.9 1004.2 1002.3 1004.8 986.4 DAY 20 16 11 30 10 19 21 5 30 5 7 20 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1986 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 895.7 893.1 891.8 890.4 889.9 883.3 885.4 887.4 892.1 895.1 894.9 895.2 891.2 MAX. QFE PRESSURE IN HPA 903.3 899.7 899.4 895.2 895.0 889.2 889.0 890.9 897.0 901.0 902.4 900.4 903.3 DAY 24 22 27 15 19 2 3 29 22 20 15 7 MIN. QFE PRESSURE IN HPA 885.4 886.4 884.5 885.5 884.4 878.0 882.3 884.1 888.8 892.0 888.0 886.8 878.0 DAY 20 16 8 30 10 20 19 4 5 24 7 20 MEAN QNH PRESSURE IN HPA 1017.6 1014.7 1013.3 1011.8 1011.2 1003.9 1006.2 1008.5 1013.7 1017.0 1016.8 1017.1 1012.7 MAX. QNH PRESSURE IN HPA 1026.1 1022.1 1021.8 1017.1 1016.9 1010.4 1010.2 1012.3 1019.1 1023.5 1025.1 1022.9 1026.1 DAY 24 22 27 15 19 2 3 29 22 20 15 7 MIN. QNH PRESSURE IN HPA 1006.2 1007.3 1005.2 1006.3 1005.1 998.0 1002.8 1004.8 1010.0 1013.5 1009.1 1007.8 998.0 DAY 20 16 8 30 10 20 19 4 5 24 7 20 MEAN QFF PRESSURE IN HPA 1017.2 1013.3 1010.6 1005.1 1001.8 992.9 995.7 999.0 1005.8 1010.2 1013.8 1016.9 1006.9 MAX. QFF PRESSURE IN HPA 1028.5 1020.4 1019.8 1010.3 1009.2 1001.8 999.3 1004.2 1011.1 1018.2 1023.8 1025.2 1028.5 DAY 24 22 27 14 19 4 3 31 22 20 15 7 MIN. QFF PRESSURE IN HPA 1003.3 1004.5 1000.7 998.0 995.1 985.9 991.7 994.3 1001.1 1005.3 1004.5 1004.9 985.9 DAY 20 16 8 18 10 20 19 4 29 9 7 20 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 896.5 894.0 892.7 891.6 891.0 884.1 886.3 888.5 893.1 896.1 895.6 895.7 892.1 MAX. QFE PRESSURE IN HPA 903.8 899.7 901.0 896.6 896.3 891.0 890.0 893.3 897.4 901.2 903.0 901.2 903.8 DAY 24 22 27 4 20 2 3 31 22 14 15 7 MIN. QFE PRESSURE IN HPA 885.6 887.6 884.0 886.8 886.0 879.0 883.0 884.5 890.0 893.0 889.0 884.0 879.0 DAY 20 1 8 29 10 20 18 4 29 24 7 20 MEAN QNH PRESSURE IN HPA 1018.5 1015.7 1014.3 1013.1 1012.4 1004.8 1007.2 1009.7 1014.8 1018.1 1017.5 1017.6 1013.6 MAX. QNH PRESSURE IN HPA 1026.6 1022.1 1023.5 1018.7 1018.3 1012.4 1011.3 1015.0 1019.5 1023.7 1025.7 1023.7 1026.6 DAY 24 22 27 4 20 2 3 31 22 14 15 7 MIN. QNH PRESSURE IN HPA 1006.4 1008.7 1004.7 1007.8 1006.9 999.1 1003.6 1005.2 1011.3 1014.7 1010.2 1004.7 999.1 DAY 20 1 8 29 10 20 18 4 29 24 7 20 MEAN QFF PRESSURE IN HPA 1017.5 1013.5 1011.0 1005.7 1002.6 993.3 996.4 999.5 1006.0 1010.5 1013.7 1016.8 1007.2 MAX. QFF PRESSURE IN HPA 1028.9 1020.1 1021.0 1010.7 1010.3 1001.9 1000.0 1005.8 1010.7 1016.6 1024.4 1025.9 1028.9 DAY 24 20 27 4 20 2 23 31 22 19 15 7 MIN. QFF PRESSURE IN HPA 1003.0 1006.0 999.1 998.8 996.1 985.8 992.3 994.0 1001.8 1005.9 1004.7 1000.2 985.8 DAY 20 10 8 18 10 20 18 4 29 8 7 20 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 896.2 893.8 892.7 891.5 891.1 884.0 886.2 888.3 893.0 896.1 895.5 895.2 892.0 MAX. QFE PRESSURE IN HPA 903.3 900.0 901.0 896.6 896.5 890.6 889.0 893.3 897.0 901.0 903.0 901.0 903.3 DAY 24 22 27 4 19 2 3 31 21 14 15 6 MIN. QFE PRESSURE IN HPA 886.0 887.0 885.4 887.0 886.0 878.9 883.0 884.3 890.0 892.4 889.0 886.0 878.9 DAY 19 1 8 18 10 20 18 4 8 24 7 20 MEAN QNH PRESSURE IN HPA 1018.2 1015.6 1014.3 1013.0 1012.5 1004.7 1007.1 1009.5 1014.7 1018.1 1017.4 1017.1 1013.5 MAX. QNH PRESSURE IN HPA 1026.1 1022.4 1023.5 1018.7 1018.5 1012.0 1010.2 1015.0 1019.1 1023.5 1025.7 1023.5 1026.1 DAY 24 22 27 4 19 2 3 31 21 14 15 6 MIN. QNH PRESSURE IN HPA 1006.9 1008.0 1006.2 1008.0 1006.9 999.0 1003.6 1005.0 1011.3 1014.0 1010.2 1006.9 999.0 DAY 19 1 8 18 10 20 18 4 8 24 7 20 MEAN QFF PRESSURE IN HPA 1016.6 1013.1 1010.6 1005.5 1002.6 993.2 996.3 999.4 1006.1 1010.2 1013.2 1015.8 1006.9 MAX. QFF PRESSURE IN HPA 1028.1 1019.7 1020.8 1010.5 1010.6 1001.1 999.2 1005.9 1010.1 1017.2 1024.0 1025.6 1028.1 DAY 24 22 27 15 19 2 23 31 22 19 15 7 MIN. QFF PRESSURE IN HPA 1002.6 1004.7 1000.4 998.8 995.9 985.9 992.0 993.6 1001.3 1005.6 1003.9 1002.2 985.9 DAY 19 10 8 18 10 20 18 4 29 8 7 20 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1987 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 12.4 14.9 19.1 24.9 29.1 32.3 33.3 33.2 31.5 21.7 17.5 13.5 23.6 MINIMUN AIR TEMPERATURE (C) 6.7 9.0 13.9 18.3 22.9 25.8 27.3 27.0 25.5 15.8 11.6 6.9 17.6 DAYS WITH MINIMUM TEMP. >=21 0 0 0 12 25 28 31 31 30 8 0 0 165 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 0 0 0 0 0 0 0 0 0 0 0 3 3 TEMPERATURE RECORDS LOWEST(C) 3.0 3.4 7.6 10.6 16.6 19.0 24.0 24.6 21.0 8.4 4.8 -0.4 -0.4 DAY 14 25 23 2 8 2 28 11 27 17 30 1 MAXIMUM AIR TEMPERATURE (C) 18.7 21.1 25.1 31.1 35.2 37.9 38.8 38.8 37.6 27.7 24.8 21.4 29.8 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 16 29 29 31 31 30 12 6 1 185 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 28.2 28.6 29.8 38.2 40.0 43.0 43.6 41.8 41.4 37.4 32.5 30.2 43.6 DAY 27 28 11 27 28 6 9 29 2 7 8 24 DIF. BETWEEN (MAX.-MIN.) (C) 12.0 12.1 11.2 12.8 12.3 12.1 11.5 11.8 12.1 11.9 13.2 14.5 12.2 MEAN DAILY TEMP. (MDT) (C) 12.7 15.0 19.5 24.7 29.0 31.8 33.0 32.9 31.5 21.8 18.2 14.2 23.7 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 11.1 133.4 249.4 325.2 372.9 369.0 315.9 90.0 17.1 1.6 1885.7 HEATING DEG. DAYS(BASE 18 0C) 166.8 93.8 25.4 6.2 0.0 0.0 0.0 0.0 0.0 23.3 43.5 129.9 488.8 DEWPOINT (MEAN C) -5.3 -3.0 3.0 8.8 9.1 0.7 4.3 6.8 5.5 -0.8 -3.8 -6.8 1.5 MIXING RATIO (G/KG) 3.00 3.63 5.50 8.49 8.63 4.89 6.14 7.28 6.50 4.44 3.32 2.79 5.38 VAPOUR PRESSURE (HPA) 4.29 5.19 7.80 12.00 12.18 6.91 8.67 10.25 9.21 6.35 4.77 4.00 7.63 SATURATION DEF. (HPA) 10.88 12.57 15.12 21.58 29.54 42.88 43.89 41.60 38.32 21.54 16.73 12.73 25.62 RELATIVE HUMIDITY (MEAN %) 32 33 37 38 32 16 18 21 20 25 25 27 27 RELATIVE HUMIDITY (MAX. %) 51 49 50 52 46 24 27 31 28 37 37 43 40 RELATIVE HUMIDITY (MIN. %) 18 20 25 27 21 9 11 14 14 16 16 14 17 RELATIVE HUMIDITY (MEAN% 03UTC) 41 41 46 47 38 19 22 25 25 33 29 32 33 RELATIVE HUMIDITY (MEAN% 09UTC) 19 23 28 30 24 10 12 15 15 19 17 18 19 RELATIVE HUMIDITY (MEAN% 15UTC) 30 32 34 33 31 14 15 18 18 22 25 26 25 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 0.0 6.0 9.4 1.0 9.8 3.0 1.4 0.0 0.0 0.0 0.0 0.0 30.6 DAYS WITH PRECIPITATION >=10 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH PRECIPITATION >= 5 0 0 1 0 1 0 0 0 0 0 0 0 2 DAYS WITH PRECIPITATION >= 1 0 2 3 1 2 1 1 0 0 0 0 0 10 DAYS WITH PRECIPITATION 0 2 3 1 5 1 1 0 0 0 0 0 13 GREATEST DAILY PRECIPITATION 0.0 4.0 6.0 1.0 5.1 3.0 1.4 0.0 0.0 0.0 0.0 0.0 6.0 DAY ** 22 30 11 31 1 28 ** ** ** ** ** DAY WITH THUNDER STORM 0 1 0 0 0 0 0 0 0 0 0 0 1 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 1 0 6 2 4 0 0 0 1 2 1 8 25 WIND DIRECTION (PREVAILING) 270 270 270 315 270 315 315 315 315 270 270 270 270 PREVAILING WIND SPEED(KNOTS) 9.7 10.8 13.3 9.1 12.0 10.5 10.2 9.1 7.7 9.6 10.8 10.8 10.6 PREVAILING WIND PERCENT 24.6 20.1 33.5 21.7 24.2 19.2 22.6 25.8 20.8 15.3 23.3 20.6 21.5 CALMS PERCENT OF WIND 48.4 54.5 30.6 27.5 38.3 40.0 20.2 12.9 20.0 32.7 40.8 60.1 35.4 NO. OF WIND OBSERVATION 248 224 248 240 248 240 248 248 240 248 240 248 2920 VECTOR WIND DIRECTION (MEAN) 298 288 286 305 308 325 326 330 317 345 309 283 310 VECTOR WIND MAGNITUDE(KNOTS) 3.3 3.4 6.0 3.1 4.3 4.0 5.4 5.2 3.2 2.7 3.3 2.8 3.7 WIND STEADINESES (MEAN %) 64.7 66.7 69.0 52.5 67.2 69.0 64.3 63.4 54.2 46.6 58.9 71.8 59.7 WIND SPEED (MEAN KNOTS) 5.1 5.1 8.7 5.9 6.4 5.8 8.4 8.2 5.9 5.8 5.6 3.9 6.2 FASTEST WIND DIRECTION 320 240 270 300 360 360 280 290 280 290 300 270 240 FASTEST WIND SPEED (KNOTS) 19 39 31 23 29 25 35 29 19 19 25 23 39 DAY 7 10 20 18 28 30 28 16 6 3 25 24 DAYS WITH SKY CLEAR (0-2)/8 27 20 13 19 17 28 29 31 30 27 26 24 291 DAYS WITH P.CLOUDY (3-6)/8 4 7 15 10 12 2 2 0 0 4 4 5 65 DAYS WITH CLOUDY (7-8)/8 0 1 3 1 2 0 0 0 0 0 0 2 9 DAYS WITH VISIBILITY =< 2 KM 0 0 0 0 0 0 0 0 0 0 0 1 1 DURATION OF SUNSHINE HOURS 282.5 242.3 251.2 313.8 267.9 343.8 344.7 338.2 294.0 286.4 268.5 254.1 3487.4 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1987 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 896.1 896.1 890.8 892.9 891.7 887.7 887.0 886.6 890.8 896.9 897.9 897.4 892.6 MAX. QFE PRESSURE IN HPA 903.4 903.7 898.3 898.3 898.6 894.2 892.1 893.1 898.4 903.8 908.9 909.3 909.3 DAY-HOUR 17- 6 12- 6 23- 6 22-18 1- 6 1- 6 29- 6 7- 6 26- 6 29- 6 30- 6 1- 6 MIN. QFE PRESSURE IN HPA 886.4 887.8 882.8 887.0 886.1 881.8 879.8 881.4 885.6 888.6 891.0 887.1 879.8 DAY-HOUR 3- 0 10-18 14-12 4-15 28-12 11-15 3-15 29-12 2-12 9-12 7-21 31-12 MEAN QNH PRESSURE IN HPA 1018.1 1018.1 1012.2 1014.6 1013.2 1008.8 1008.0 1007.5 1012.2 1018.9 1020.1 1019.5 1014.3 MAX. QNH PRESSURE IN HPA 1026.2 1026.5 1020.5 1020.5 1020.9 1016.0 1013.7 1014.8 1020.6 1026.6 1032.3 1032.7 1032.7 DAY-HOUR 17- 6 12- 6 23- 6 22-18 1- 6 1- 6 29- 6 7- 6 26- 6 29- 6 30- 6 1- 6 MIN. QNH PRESSURE IN HPA 1007.3 1008.9 1003.3 1008.0 1007.0 1002.2 1000.0 1001.8 1006.4 1009.8 1012.4 1008.1 1000.0 DAY-HOUR 3- 0 10-18 14-12 4-15 28-12 11-15 3-15 29-12 2-12 9-12 7-21 31-12 MEAN QFF PRESSURE IN HPA 1016.1 1015.1 1007.0 1006.9 1003.8 998.4 997.0 996.6 1002.0 1012.9 1015.9 1017.1 1007.4 MAX. QFF PRESSURE IN HPA 1025.3 1024.2 1018.1 1015.7 1012.7 1009.8 1004.8 1003.4 1011.3 1023.3 1033.4 1034.6 1034.6 DAY-HOUR 17- 6 12- 6 23- 6 8- 6 1- 6 1-12 29- 0 7- 6 26- 3 29- 6 30- 6 1- 3 MIN. QFF PRESSURE IN HPA 1005.0 1003.0 997.2 997.5 996.3 991.0 988.0 990.2 994.8 1000.4 1004.8 1004.0 988.0 DAY-HOUR 3- 9 11- 0 12-12 19-12 28-12 11-15 3-21 29-12 2-12 9- 9 7-21 14- 0 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 895.7 895.7 890.3 892.4 891.3 887.3 886.7 886.5 890.5 896.9 897.7 897.6 892.4 MAX. QFE PRESSURE IN HPA 901.0 902.5 896.4 896.8 896.9 891.8 891.0 891.0 896.3 901.8 905.8 907.2 907.2 DAY 17 2 25 23 1 1 29 8 26 30 30 1 MIN. QFE PRESSURE IN HPA 886.4 888.2 884.5 887.5 887.5 882.6 881.0 882.0 887.0 889.9 892.4 888.9 881.0 DAY 3 11 20 5 23 12 4 19 2 9 8 14 MEAN QNH PRESSURE IN HPA 1017.6 1017.7 1011.6 1013.9 1012.8 1008.4 1007.6 1007.5 1011.9 1019.0 1019.8 1019.7 1014.0 MAX. QNH PRESSURE IN HPA 1023.5 1025.2 1018.4 1018.9 1019.0 1013.3 1012.4 1012.4 1018.3 1024.4 1028.9 1030.4 1030.4 DAY 17 2 25 23 1 1 29 8 26 30 30 1 MIN. QNH PRESSURE IN HPA 1007.3 1009.3 1005.2 1008.6 1008.6 1003.1 1001.3 1002.5 1008.0 1011.2 1014.0 1010.1 1001.3 DAY 3 11 20 5 23 12 4 19 2 9 8 14 MEAN QFF PRESSURE IN HPA 1015.3 1014.4 1006.4 1006.4 1003.4 998.1 996.8 996.6 1001.5 1012.9 1015.4 1017.2 1007.0 MAX. QFF PRESSURE IN HPA 1022.9 1022.4 1016.2 1012.2 1010.4 1007.0 1004.8 1001.6 1009.1 1021.4 1028.8 1032.1 1032.1 DAY 13 8 23 3 1 2 29 1 27 30 30 1 MIN. QFF PRESSURE IN HPA 1005.4 1003.0 998.3 998.4 998.6 992.0 989.0 990.7 996.1 1001.2 1006.7 1004.0 989.0 DAY 3 11 20 20 24 12 4 30 2 9 8 14 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 896.1 896.6 891.1 893.6 892.5 888.5 887.9 887.5 891.4 897.6 898.5 898.2 893.3 MAX. QFE PRESSURE IN HPA 901.7 902.5 896.8 897.3 898.4 893.4 890.9 892.1 897.8 902.8 907.1 908.6 908.6 DAY 31 1 23 23 1 1 30 7 26 29 30 1 MIN. QFE PRESSURE IN HPA 886.8 891.2 886.3 888.6 887.5 883.6 882.9 883.4 888.0 890.1 893.0 888.1 882.9 DAY 3 11 14 5 23 13 4 30 2 9 8 31 MEAN QNH PRESSURE IN HPA 1018.1 1018.6 1012.6 1015.4 1014.1 1009.7 1009.0 1008.5 1012.9 1019.8 1020.7 1020.4 1015.0 MAX. QNH PRESSURE IN HPA 1024.3 1025.2 1018.9 1019.4 1020.6 1015.1 1012.3 1013.7 1020.0 1025.5 1030.3 1032.0 1032.0 DAY 31 1 23 23 1 1 30 7 26 29 30 1 MIN. QNH PRESSURE IN HPA 1007.8 1012.7 1007.2 1009.8 1008.6 1004.2 1003.5 1004.0 1009.1 1011.4 1014.7 1009.2 1003.5 DAY 3 11 14 5 23 13 4 30 2 9 8 31 MEAN QFF PRESSURE IN HPA 1016.9 1016.4 1007.9 1008.4 1005.1 999.6 998.2 998.1 1003.2 1014.5 1017.3 1019.0 1008.7 MAX. QFF PRESSURE IN HPA 1024.3 1023.8 1017.1 1014.5 1012.6 1008.5 1003.1 1002.9 1011.3 1022.9 1031.6 1034.6 1034.6 DAY 17 8 23 8 1 1 29 7 26 29 30 1 MIN. QFF PRESSURE IN HPA 1006.2 1007.8 1001.1 1000.8 999.5 993.8 991.8 992.5 998.3 1002.5 1008.5 1005.8 991.8 DAY 3 11 14 20 23 12 4 30 2 9 8 31 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1987 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 897.7 897.8 892.4 894.7 893.1 888.9 888.4 888.1 892.3 898.4 899.5 899.1 894.2 MAX. QFE PRESSURE IN HPA 903.4 903.7 898.3 898.2 898.6 894.2 892.1 893.1 898.4 903.8 908.9 909.3 909.3 DAY 17 12 23 8 1 1 29 7 26 29 30 1 MIN. QFE PRESSURE IN HPA 888.0 892.1 887.2 889.7 888.0 883.9 883.0 884.3 888.5 890.7 895.0 889.9 883.0 DAY 3 10 14 5 23 13 3 30 2 9 8 31 MEAN QNH PRESSURE IN HPA 1019.9 1020.0 1014.0 1016.6 1014.8 1010.1 1009.5 1009.2 1013.9 1020.6 1021.9 1021.4 1016.0 MAX. QNH PRESSURE IN HPA 1026.2 1026.5 1020.5 1020.4 1020.9 1016.0 1013.7 1014.8 1020.6 1026.6 1032.3 1032.7 1032.7 DAY 17 12 23 8 1 1 29 7 26 29 30 1 MIN. QNH PRESSURE IN HPA 1009.1 1013.7 1008.2 1011.0 1009.1 1004.6 1003.6 1005.0 1009.7 1012.1 1016.9 1011.2 1003.6 DAY 3 10 14 5 23 13 3 30 2 9 8 31 MEAN QFF PRESSURE IN HPA 1018.0 1016.9 1008.7 1008.7 1005.3 999.6 998.4 998.1 1003.5 1014.4 1017.5 1019.1 1009.0 MAX. QFF PRESSURE IN HPA 1025.3 1024.2 1018.1 1015.7 1012.7 1008.7 1004.0 1003.4 1011.2 1023.3 1033.4 1034.1 1034.1 DAY 17 12 23 8 1 1 29 7 26 29 30 1 MIN. QFF PRESSURE IN HPA 1006.5 1009.1 1001.8 1000.8 998.9 993.6 991.6 992.9 997.9 1002.2 1009.2 1007.4 991.6 DAY 3 10 14 20 23 13 3 30 2 9 8 29 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 895.9 896.6 891.2 893.3 892.0 888.1 887.3 886.9 891.0 896.6 897.6 897.1 892.8 MAX. QFE PRESSURE IN HPA 901.3 903.0 897.2 896.8 896.9 893.1 890.8 892.2 897.0 901.3 906.3 907.0 907.0 DAY 12 12 22 22 1 1 29 7 26 29 30 1 MIN. QFE PRESSURE IN HPA 887.0 889.9 885.3 888.5 887.7 883.5 881.7 883.3 887.1 889.2 892.8 888.1 881.7 DAY 3 10 12 5 28 13 3 29 2 9 11 31 MEAN QNH PRESSURE IN HPA 1017.9 1018.6 1012.6 1015.0 1013.5 1009.3 1008.3 1007.9 1012.5 1018.7 1019.8 1019.2 1014.4 MAX. QNH PRESSURE IN HPA 1023.9 1025.7 1019.3 1018.9 1019.0 1014.8 1012.2 1013.8 1019.1 1023.9 1029.4 1030.2 1030.2 DAY 12 12 22 22 1 1 29 7 26 29 30 1 MIN. QNH PRESSURE IN HPA 1008.0 1011.2 1006.1 1009.7 1008.8 1004.1 1002.1 1003.9 1008.1 1010.4 1014.4 1009.2 1002.1 DAY 3 10 12 5 28 13 3 29 2 9 11 31 MEAN QFF PRESSURE IN HPA 1015.5 1015.1 1007.1 1007.1 1003.9 998.8 997.3 996.8 1002.0 1012.2 1015.1 1016.2 1007.3 MAX. QFF PRESSURE IN HPA 1023.1 1023.0 1016.8 1013.0 1010.2 1007.7 1002.5 1002.3 1009.3 1020.2 1030.0 1031.4 1031.4 DAY 12 12 22 1 1 1 29 7 26 13 30 1 MIN. QFF PRESSURE IN HPA 1005.0 1005.5 999.4 998.8 997.5 993.5 990.5 992.2 996.2 1000.4 1007.1 1005.3 990.5 DAY 3 10 12 20 28 11 3 29 2 9 8 31 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 895.0 895.0 889.5 891.5 890.6 887.2 886.2 885.3 889.5 895.4 896.5 895.8 891.5 MAX. QFE PRESSURE IN HPA 900.0 901.2 895.9 894.9 895.1 893.8 890.7 890.4 895.6 900.6 905.3 905.7 905.7 DAY 12 7 22 22 1 1 28 7 26 28 30 1 MIN. QFE PRESSURE IN HPA 887.0 888.1 882.8 887.2 886.1 882.4 880.3 881.4 885.6 888.6 891.1 887.1 880.3 DAY 2 10 14 4 28 11 3 29 2 9 7 31 MEAN QNH PRESSURE IN HPA 1016.9 1016.9 1010.8 1013.0 1012.0 1008.2 1007.1 1006.1 1010.7 1017.3 1018.6 1017.8 1012.9 MAX. QNH PRESSURE IN HPA 1022.4 1023.7 1017.9 1016.8 1017.0 1015.5 1012.1 1011.8 1017.5 1023.1 1028.3 1028.7 1028.7 DAY 12 7 22 22 1 1 28 7 26 28 30 1 MIN. QNH PRESSURE IN HPA 1008.0 1009.2 1003.3 1008.2 1007.0 1002.9 1000.6 1001.8 1006.4 1009.8 1012.5 1008.1 1000.6 DAY 2 10 14 4 28 11 3 29 2 9 7 31 MEAN QFF PRESSURE IN HPA 1014.6 1013.6 1005.6 1005.2 1002.6 998.0 996.3 995.2 1000.4 1011.2 1014.2 1015.1 1006.0 MAX. QFF PRESSURE IN HPA 1021.9 1021.9 1015.2 1011.1 1008.5 1009.8 1003.0 1000.2 1008.1 1019.0 1029.1 1030.3 1030.3 DAY 16 7 22 8 1 1 28 7 26 17 30 1 MIN. QFF PRESSURE IN HPA 1006.0 1003.5 997.2 997.5 996.3 991.7 989.3 990.2 994.8 1000.6 1005.4 1004.8 989.3 DAY 3 10 12 19 28 11 3 29 2 9 7 31 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1987 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 895.7 895.5 889.9 891.9 890.8 886.8 886.0 885.4 889.8 896.0 897.3 896.6 891.8 MAX. QFE PRESSURE IN HPA 902.0 902.0 896.2 896.2 895.2 891.9 889.5 890.3 895.7 901.4 906.2 906.5 906.5 DAY 17 1 22 22 1 1 29 7 26 28 30 1 MIN. QFE PRESSURE IN HPA 887.0 888.5 884.1 887.0 887.0 881.8 879.8 881.4 885.8 889.5 891.6 888.2 879.8 DAY 2 10 14 4 23 11 3 29 2 4 7 31 MEAN QNH PRESSURE IN HPA 1017.6 1017.5 1011.2 1013.4 1012.2 1007.8 1006.8 1006.2 1011.1 1018.0 1019.4 1018.7 1013.3 MAX. QNH PRESSURE IN HPA 1024.6 1024.6 1018.2 1018.2 1017.1 1013.4 1010.8 1011.7 1017.7 1024.0 1029.3 1029.6 1029.6 DAY 17 1 22 22 1 1 29 7 26 28 30 1 MIN. QNH PRESSURE IN HPA 1008.0 1009.7 1004.8 1008.0 1008.0 1002.2 1000.0 1001.8 1006.7 1010.8 1013.1 1009.3 1000.0 DAY 2 10 14 4 23 11 3 29 2 4 7 31 MEAN QFF PRESSURE IN HPA 1016.4 1015.1 1006.6 1006.2 1003.2 997.6 996.1 995.7 1001.4 1012.7 1016.0 1017.1 1007.0 MAX. QFF PRESSURE IN HPA 1024.2 1024.2 1016.3 1012.5 1009.2 1006.5 1001.3 1000.6 1009.1 1021.2 1030.7 1032.4 1032.4 DAY 17 7 22 8 1 1 29 7 26 16 30 1 MIN. QFF PRESSURE IN HPA 1007.7 1005.2 999.2 998.8 998.0 991.0 988.8 990.8 996.0 1002.4 1007.3 1006.4 988.8 DAY 2 10 19 19 28 11 3 29 2 4 7 31 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 896.5 896.2 891.0 893.3 891.8 887.5 886.8 886.5 891.0 897.2 898.2 897.5 892.8 MAX. QFE PRESSURE IN HPA 902.4 903.0 896.8 898.3 895.8 892.3 891.0 890.9 896.7 902.2 907.2 907.4 907.4 DAY 17 1 22 22 1 1 28 7 25 28 30 1 MIN. QFE PRESSURE IN HPA 887.0 887.8 885.6 887.9 888.0 882.8 880.6 882.9 887.2 891.0 892.0 889.2 880.6 DAY 2 10 14 19 22 11 3 29 2 4 7 30 MEAN QNH PRESSURE IN HPA 1018.5 1018.2 1012.5 1014.9 1013.4 1008.6 1007.8 1007.4 1012.4 1019.3 1020.5 1019.7 1014.4 MAX. QNH PRESSURE IN HPA 1025.1 1025.7 1018.9 1020.5 1017.8 1013.9 1012.4 1012.3 1018.8 1024.9 1030.4 1030.6 1030.6 DAY 17 1 22 22 1 1 28 7 25 28 30 1 MIN. QNH PRESSURE IN HPA 1008.0 1008.9 1006.4 1009.0 1009.1 1003.3 1000.9 1003.5 1008.2 1012.4 1013.5 1010.4 1000.9 DAY 2 10 14 19 22 11 3 29 2 4 7 30 MEAN QFF PRESSURE IN HPA 1016.5 1015.0 1007.2 1007.0 1003.8 997.9 996.7 996.3 1002.1 1013.1 1016.2 1017.2 1007.4 MAX. QFF PRESSURE IN HPA 1024.1 1024.0 1016.8 1013.5 1010.3 1006.2 1002.9 1001.0 1009.5 1020.9 1031.8 1032.4 1032.4 DAY 12 7 22 22 1 1 28 7 26 28 30 1 MIN. QFF PRESSURE IN HPA 1006.5 1003.6 1000.2 998.4 998.6 991.9 988.6 991.5 996.6 1002.7 1006.1 1006.6 988.6 DAY 2 10 12 19 23 11 3 29 2 4 7 13 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 896.1 895.8 890.7 892.9 891.6 887.4 886.7 886.4 891.0 896.9 898.2 897.3 892.6 MAX. QFE PRESSURE IN HPA 902.0 903.0 897.3 898.0 894.6 891.6 891.0 890.7 896.7 902.3 907.2 906.9 907.2 DAY 12 1 22 22 8 1 28 7 25 28 30 1 MIN. QFE PRESSURE IN HPA 887.0 888.2 884.5 887.4 888.0 882.6 880.3 882.0 886.9 890.3 891.0 889.3 880.3 DAY 2 10 19 4 22 11 3 18 2 8 7 13 MEAN QNH PRESSURE IN HPA 1018.1 1017.8 1012.1 1014.5 1013.1 1008.5 1007.7 1007.3 1012.4 1019.0 1020.4 1019.4 1014.2 MAX. QNH PRESSURE IN HPA 1024.6 1025.7 1019.4 1020.2 1016.4 1013.1 1012.4 1012.1 1018.8 1025.0 1030.4 1030.1 1030.4 DAY 12 1 22 22 8 1 28 7 25 28 30 1 MIN. QNH PRESSURE IN HPA 1008.0 1009.3 1005.2 1008.4 1009.1 1003.1 1000.6 1002.5 1007.9 1011.7 1012.4 1010.6 1000.6 DAY 2 10 19 4 22 11 3 18 2 8 7 13 MEAN QFF PRESSURE IN HPA 1015.6 1014.2 1006.6 1006.7 1003.4 997.9 996.6 996.2 1001.9 1012.6 1015.8 1016.5 1007.0 MAX. QFF PRESSURE IN HPA 1023.9 1023.2 1017.4 1013.1 1009.4 1005.7 1002.4 1000.6 1009.5 1021.0 1031.8 1031.6 1031.8 DAY 12 7 22 22 8 1 28 7 26 16 30 1 MIN. QFF PRESSURE IN HPA 1005.7 1003.0 998.5 997.9 998.7 991.7 988.0 990.4 996.1 1001.3 1004.8 1004.3 988.0 DAY 2 10 19 19 23 11 3 29 2 8 7 13 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1988 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 10.5 12.5 18.9 24.0 31.6 34.9 35.8 33.0 30.5 24.0 18.2 14.2 24.0 MINIMUN AIR TEMPERATURE (C) 5.0 7.1 12.7 17.9 24.8 27.8 30.0 26.8 24.5 18.0 12.5 9.1 18.0 DAYS WITH MINIMUM TEMP. >=21 0 0 0 10 29 30 31 31 23 5 0 0 159 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 4 1 0 0 0 0 0 0 0 0 0 2 7 TEMPERATURE RECORDS LOWEST(C) -1.0 -0.6 6.0 8.0 15.4 24.0 26.6 23.6 17.0 11.8 5.0 0.0 -1.0 DAY 21 8 25 4 1 1 25 11 29 6 27 30 MAXIMUM AIR TEMPERATURE (C) 16.6 18.3 25.4 30.3 37.9 41.1 41.5 38.8 36.9 30.7 25.5 21.0 30.3 DAYS WITH MAXIMUM TEMP. >=30 0 0 5 16 30 29 31 31 30 19 7 0 198 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 23.0 26.0 33.0 37.0 43.2 45.8 45.0 42.0 42.0 35.6 33.2 25.0 45.8 DAY 7 2 31 13 29 25 18 5 1 21 11 12 DIF. BETWEEN (MAX.-MIN.) (C) 11.6 11.2 12.7 12.4 13.1 13.3 11.5 12.0 12.4 12.7 13.0 11.9 12.3 MEAN DAILY TEMP. (MDT) (C) 10.8 12.7 19.1 24.1 31.4 34.5 35.7 32.8 30.7 24.3 19.0 15.1 24.2 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 20.1 111.5 311.0 389.1 456.5 366.0 290.9 104.2 27.5 0.0 2077.0 HEATING DEG. DAYS(BASE 18 0C) 222.2 157.8 30.5 5.5 0.0 0.0 0.0 0.0 0.0 0.0 45.2 87.7 548.9 DEWPOINT (MEAN C) -3.4 -0.9 -1.1 1.4 4.6 5.7 8.4 8.0 7.5 1.8 -4.6 -2.6 2.1 MIXING RATIO (G/KG) 3.59 4.30 4.21 5.18 6.39 6.93 8.27 7.87 7.62 5.02 3.18 3.76 5.53 VAPOUR PRESSURE (HPA) 5.14 6.13 5.98 7.35 9.02 9.75 11.57 11.05 10.75 7.17 4.56 5.37 7.82 SATURATION DEF. (HPA) 8.22 9.05 17.12 24.11 38.76 48.17 48.64 40.41 34.63 23.65 17.78 11.65 26.85 RELATIVE HUMIDITY (MEAN %) 42 43 29 26 20 18 20 23 24 25 23 33 27 RELATIVE HUMIDITY (MAX. %) 64 64 45 40 29 25 29 30 32 35 32 46 39 RELATIVE HUMIDITY (MIN. %) 25 26 17 14 13 13 14 16 18 16 14 21 17 RELATIVE HUMIDITY (MEAN% 03UTC) 57 55 36 35 25 22 26 28 29 31 26 38 34 RELATIVE HUMIDITY (MEAN% 09UTC) 29 31 20 16 14 14 16 18 20 17 15 24 20 RELATIVE HUMIDITY (MEAN% 15UTC) 35 37 25 23 16 16 17 21 23 23 23 33 24 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 20.8 3.5 1.5 13.0 0.0 0.0 0.0 0.4 0.0 0.0 0.1 4.0 43.3 DAYS WITH PRECIPITATION >=10 1 0 0 1 0 0 0 0 0 0 0 0 2 DAYS WITH PRECIPITATION >= 5 1 0 0 1 0 0 0 0 0 0 0 0 2 DAYS WITH PRECIPITATION >= 1 2 3 1 3 0 0 0 0 0 0 0 1 10 DAYS WITH PRECIPITATION 4 4 2 3 0 0 0 1 0 0 1 1 16 GREATEST DAILY PRECIPITATION 16.0 1.0 1.3 10.0 0.0 0.0 0.0 0.4 0.0 0.0 0.1 4.0 16.0 DAY 10 4 24 30 ** ** ** 25 ** ** 30 28 DAY WITH THUNDER STORM 0 0 2 0 0 0 0 0 0 0 0 0 2 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 7 3 10 0 1 1 3 2 0 0 1 4 32 WIND DIRECTION (PREVAILING) 270 315 270 270 315 315 315 315 315 315 270 270 315 PREVAILING WIND SPEED(KNOTS) 9.8 7.1 13.7 11.6 11.5 10.9 12.8 11.6 11.8 11.7 11.8 12.4 11.4 PREVAILING WIND PERCENT 15.3 11.6 20.2 14.6 26.6 25.4 23.0 27.0 27.5 25.4 22.1 21.0 19.0 CALMS PERCENT OF WIND 64.9 60.8 44.0 51.7 17.7 19.2 20.2 16.5 13.8 21.4 36.3 46.0 34.3 NO. OF WIND OBSERVATION 248 232 248 240 248 240 248 248 240 248 240 248 2928 VECTOR WIND DIRECTION (MEAN) 277 302 288 306 319 323 333 326 325 317 304 291 314 VECTOR WIND MAGNITUDE(KNOTS) 1.9 1.8 3.7 2.4 4.6 4.6 6.2 6.6 6.1 5.6 4.3 3.6 4.1 WIND STEADINESES (MEAN %) 55.9 47.4 57.8 47.1 54.8 51.1 63.3 66.7 62.2 61.5 58.9 53.7 55.4 WIND SPEED (MEAN KNOTS) 3.4 3.8 6.4 5.1 8.4 9.0 9.8 9.9 9.8 9.1 7.3 6.7 7.4 FASTEST WIND DIRECTION 230 240 270 280 300 290 360 340 30 30 300 300 230 FASTEST WIND SPEED (KNOTS) 74 68 49 35 23 23 29 29 23 23 23 23 74 DAY 19 3 9 26 25 13 23 9 3 2 12 26 DAYS WITH SKY CLEAR (0-2)/8 19 15 18 12 29 30 18 26 30 28 24 17 266 DAYS WITH P.CLOUDY (3-6)/8 9 12 9 14 2 0 13 5 0 3 6 13 86 DAYS WITH CLOUDY (7-8)/8 3 2 4 4 0 0 0 0 0 0 0 1 14 DAYS WITH VISIBILITY =< 2 KM 2 1 0 0 0 0 1 0 0 0 0 0 4 DURATION OF SUNSHINE HOURS 220.4 193.9 253.6 237.6 342.4 346.7 324.8 327.9 318.7 311.3 269.1 205.8 3352.2 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1988 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 895.6 894.4 891.3 892.1 889.5 886.4 882.8 885.4 890.1 895.7 897.2 896.0 891.4 MAX. QFE PRESSURE IN HPA 908.4 906.1 898.0 900.2 894.7 894.4 887.8 890.7 896.1 902.0 902.9 906.1 908.4 DAY-HOUR 3- 6 7- 6 18- 6 3-18 5- 6 1- 6 31- 3 21- 6 24-18 17- 6 6- 6 29-18 MIN. QFE PRESSURE IN HPA 884.6 886.7 880.1 886.2 884.9 879.0 877.8 880.8 883.4 888.5 889.6 886.8 877.8 DAY-HOUR 19-12 25-12 24- 0 23-12 24-12 25-12 8-12 4-12 1-12 7-12 20-12 26-12 MEAN QNH PRESSURE IN HPA 1017.5 1016.2 1012.7 1013.6 1010.8 1007.3 1003.3 1006.2 1011.4 1017.6 1019.3 1017.9 1012.8 MAX. QNH PRESSURE IN HPA 1031.7 1029.2 1020.2 1022.6 1016.5 1016.2 1008.9 1012.1 1018.1 1024.6 1025.6 1029.2 1031.7 DAY-HOUR 3- 6 7- 6 18- 6 3-18 5- 6 1- 6 31- 3 21- 6 24-18 17- 6 6- 6 29-18 MIN. QNH PRESSURE IN HPA 1005.3 1007.7 1000.3 1007.1 1005.7 999.1 997.8 1001.1 1004.0 1009.7 1010.9 1007.8 997.8 DAY-HOUR 19-12 25-12 24- 0 23-12 24-12 25-12 8-12 4-12 1-12 7-12 20-12 26-12 MEAN QFF PRESSURE IN HPA 1016.4 1014.1 1007.8 1006.5 1000.6 995.8 991.3 995.3 1001.5 1010.6 1014.9 1015.1 1005.8 MAX. QFF PRESSURE IN HPA 1032.3 1030.9 1019.4 1019.6 1008.2 1006.0 998.3 1001.3 1010.1 1017.5 1023.8 1030.8 1032.3 DAY-HOUR 3- 6 7- 6 25- 6 3-21 2- 6 1- 3 29- 6 27- 3 30- 3 17- 6 26- 6 30- 3 MIN. QFF PRESSURE IN HPA 1001.7 1003.0 994.7 998.1 994.5 986.5 985.2 989.0 992.5 1002.2 1005.1 1003.6 985.2 DAY-HOUR 19-12 25-12 24- 0 23-12 24-12 25-12 8-12 4-12 1-12 7-12 20-12 26-12 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 895.2 893.8 890.9 892.0 889.1 886.3 882.8 885.5 889.7 895.2 896.8 895.5 891.1 MAX. QFE PRESSURE IN HPA 903.0 902.8 896.9 899.7 893.3 892.2 887.5 889.6 894.0 900.0 901.7 904.6 904.6 DAY 3 7 26 13 3 1 31 27 25 17 16 30 MIN. QFE PRESSURE IN HPA 888.8 888.1 880.1 887.1 885.6 879.3 879.4 882.9 885.2 890.6 890.9 887.0 879.3 DAY 27 18 24 16 25 24 18 7 1 31 29 26 MEAN QNH PRESSURE IN HPA 1017.1 1015.5 1012.3 1013.5 1010.3 1007.2 1003.4 1006.3 1011.0 1017.1 1018.9 1017.4 1012.5 MAX. QNH PRESSURE IN HPA 1025.7 1025.5 1019.0 1022.1 1015.0 1013.8 1008.6 1010.9 1015.8 1022.4 1024.3 1027.5 1027.5 DAY 3 7 26 13 3 1 31 27 25 17 16 30 MIN. QNH PRESSURE IN HPA 1010.0 1009.2 1000.3 1008.1 1006.4 999.5 999.6 1003.5 1006.0 1012.0 1012.3 1008.0 999.5 DAY 27 18 24 16 25 24 18 7 1 31 29 26 MEAN QFF PRESSURE IN HPA 1015.7 1013.2 1007.2 1006.4 1000.2 995.8 991.3 995.4 1000.9 1010.0 1014.0 1014.2 1005.4 MAX. QFF PRESSURE IN HPA 1026.1 1025.8 1017.7 1018.5 1006.1 1004.0 997.3 1000.8 1008.0 1015.4 1021.6 1029.6 1029.6 DAY 4 8 26 4 3 1 31 27 30 4 26 30 MIN. QFF PRESSURE IN HPA 1005.9 1006.3 994.7 998.4 994.7 986.8 987.1 991.8 994.5 1004.4 1007.5 1005.3 986.8 DAY 27 18 24 24 30 24 9 7 1 11 29 26 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 895.8 894.7 891.7 892.6 890.4 887.4 883.5 886.3 890.8 896.2 897.9 896.1 891.9 MAX. QFE PRESSURE IN HPA 907.4 904.6 897.1 899.0 893.9 893.7 887.8 889.7 895.4 901.2 902.4 905.0 907.4 DAY 3 7 18 4 3 1 31 21 25 17 16 30 MIN. QFE PRESSURE IN HPA 888.0 889.7 882.0 888.2 887.1 881.1 880.0 883.6 886.2 891.5 892.5 887.4 880.0 DAY 29 18 24 16 25 24 8 8 1 8 29 26 MEAN QNH PRESSURE IN HPA 1017.7 1016.6 1013.2 1014.3 1011.7 1008.5 1004.2 1007.2 1012.2 1018.2 1020.0 1018.1 1013.5 MAX. QNH PRESSURE IN HPA 1030.6 1027.5 1019.2 1021.3 1015.7 1015.4 1008.9 1011.0 1017.3 1023.7 1025.1 1028.0 1030.6 DAY 3 7 18 4 3 1 31 21 25 17 16 30 MIN. QNH PRESSURE IN HPA 1009.1 1011.0 1002.5 1009.3 1008.1 1001.5 1000.2 1004.2 1007.1 1013.0 1014.1 1008.4 1000.2 DAY 29 18 24 16 25 24 8 8 1 8 29 26 MEAN QFF PRESSURE IN HPA 1017.1 1015.1 1008.9 1007.7 1002.1 997.5 992.4 996.8 1002.9 1011.9 1016.5 1016.0 1007.1 MAX. QFF PRESSURE IN HPA 1031.6 1028.7 1018.5 1019.5 1007.0 1006.0 998.3 1001.3 1010.1 1017.4 1023.4 1030.8 1031.6 DAY 3 7 25 4 3 1 31 27 30 4 26 30 MIN. QFF PRESSURE IN HPA 1005.8 1007.9 998.5 1000.2 996.6 989.3 988.1 992.9 996.0 1006.3 1011.1 1005.8 988.1 DAY 29 25 24 24 30 24 8 8 1 10 29 26 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1988 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 897.2 896.2 892.9 893.7 891.1 887.8 883.9 886.7 891.6 897.2 898.9 897.5 892.9 MAX. QFE PRESSURE IN HPA 908.4 906.1 898.0 899.9 894.7 894.4 887.6 890.7 895.6 902.0 902.9 905.7 908.4 DAY 3 7 18 3 5 1 31 21 25 17 6 30 MIN. QFE PRESSURE IN HPA 889.3 891.0 885.4 889.9 888.2 881.7 880.1 883.4 887.1 892.0 893.6 889.0 880.1 DAY 19 17 24 1 24 24 8 4 1 7 29 26 MEAN QNH PRESSURE IN HPA 1019.3 1018.2 1014.5 1015.4 1012.5 1008.9 1004.6 1007.6 1013.1 1019.3 1021.2 1019.6 1014.5 MAX. QNH PRESSURE IN HPA 1031.7 1029.2 1020.2 1022.3 1016.5 1016.2 1008.7 1012.1 1017.5 1024.6 1025.6 1028.7 1031.7 DAY 3 7 18 3 5 1 31 21 25 17 6 30 MIN. QNH PRESSURE IN HPA 1010.6 1012.4 1006.2 1011.2 1009.3 1002.1 1000.3 1004.0 1008.1 1013.5 1015.3 1010.2 1000.3 DAY 19 17 24 1 24 24 8 4 1 7 29 26 MEAN QFF PRESSURE IN HPA 1018.2 1016.2 1009.5 1008.1 1002.3 997.1 992.4 996.6 1002.9 1012.1 1016.7 1016.9 1007.4 MAX. QFF PRESSURE IN HPA 1032.3 1030.9 1019.4 1018.7 1008.2 1005.7 998.3 1001.3 1009.6 1017.5 1023.8 1030.7 1032.3 DAY 3 7 25 3 2 1 29 27 30 17 26 30 MIN. QFF PRESSURE IN HPA 1007.3 1008.9 1001.5 1001.7 997.8 989.0 987.3 992.2 996.8 1006.1 1010.7 1007.3 987.3 DAY 29 25 24 23 30 24 8 4 1 7 29 26 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 895.6 894.7 891.6 892.3 890.0 886.8 883.0 885.6 890.2 895.5 897.0 895.6 891.5 MAX. QFE PRESSURE IN HPA 906.0 904.2 896.7 899.0 893.5 893.6 886.7 889.5 894.9 901.0 901.2 902.6 906.0 DAY 3 7 17 3 17 1 29 21 30 17 6 29 MIN. QFE PRESSURE IN HPA 886.8 889.6 886.2 888.0 887.1 880.6 879.2 882.3 885.2 890.4 891.6 887.1 879.2 DAY 19 25 5 25 24 25 8 7 1 7 20 26 MEAN QNH PRESSURE IN HPA 1017.5 1016.5 1013.1 1013.9 1011.4 1007.8 1003.6 1006.4 1011.5 1017.4 1019.0 1017.5 1013.0 MAX. QNH PRESSURE IN HPA 1029.1 1027.1 1018.8 1021.3 1015.2 1015.3 1007.7 1010.8 1016.8 1023.5 1023.7 1025.3 1029.1 DAY 3 7 17 3 17 1 29 21 30 17 6 29 MIN. QNH PRESSURE IN HPA 1007.8 1010.9 1007.1 1009.1 1008.1 1000.9 999.3 1002.8 1006.0 1011.8 1013.1 1008.1 999.3 DAY 19 25 5 25 24 25 8 7 1 7 20 26 MEAN QFF PRESSURE IN HPA 1015.9 1014.1 1008.0 1006.4 1001.0 996.0 991.3 995.2 1001.2 1009.9 1014.0 1014.2 1005.6 MAX. QFF PRESSURE IN HPA 1029.2 1028.3 1017.5 1017.8 1005.7 1004.6 996.7 1000.2 1008.7 1016.1 1021.5 1026.4 1029.2 DAY 3 7 25 3 17 1 29 26 30 17 25 30 MIN. QFF PRESSURE IN HPA 1004.0 1005.7 1000.1 999.9 996.5 987.8 986.6 991.0 994.1 1003.9 1006.8 1004.1 986.6 DAY 19 25 5 23 29 25 8 7 1 7 14 27 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 894.3 893.0 889.9 890.6 888.2 885.4 881.9 884.0 888.7 894.2 895.8 894.7 890.1 MAX. QFE PRESSURE IN HPA 903.5 902.5 896.2 897.5 892.3 891.4 885.3 888.0 893.3 898.2 899.7 903.4 903.5 DAY 3 7 17 3 8 1 30 21 30 28 26 29 MIN. QFE PRESSURE IN HPA 884.6 886.7 885.2 886.2 884.9 879.0 877.8 880.8 883.4 888.5 889.6 886.8 877.8 DAY 19 25 5 23 24 25 8 4 1 7 20 26 MEAN QNH PRESSURE IN HPA 1016.1 1014.7 1011.3 1012.0 1009.4 1006.2 1002.3 1004.6 1009.9 1016.0 1017.7 1016.5 1011.4 MAX. QNH PRESSURE IN HPA 1026.3 1025.2 1018.2 1019.6 1013.9 1012.9 1006.1 1009.1 1015.0 1020.4 1022.1 1026.2 1026.3 DAY 3 7 17 3 8 1 30 21 30 28 26 29 MIN. QNH PRESSURE IN HPA 1005.3 1007.7 1006.0 1007.1 1005.7 999.1 997.8 1001.1 1004.0 1009.7 1010.9 1007.8 997.8 DAY 19 25 5 23 24 25 8 4 1 7 20 26 MEAN QFF PRESSURE IN HPA 1014.7 1012.4 1006.2 1004.9 999.1 994.7 990.3 993.6 999.8 1008.9 1012.9 1013.4 1004.2 MAX. QFF PRESSURE IN HPA 1026.6 1026.2 1016.2 1016.3 1004.7 1002.1 994.6 999.3 1007.8 1014.0 1020.4 1025.7 1026.6 DAY 3 7 25 3 2 8 30 26 30 28 26 29 MIN. QFF PRESSURE IN HPA 1001.7 1003.0 999.2 998.1 994.5 986.5 985.2 989.0 992.5 1002.2 1005.1 1003.6 985.2 DAY 19 25 23 23 24 25 8 4 1 7 20 26 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1988 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 895.0 893.7 890.4 891.0 888.2 885.1 881.6 884.1 889.2 895.2 896.8 895.9 890.5 MAX. QFE PRESSURE IN HPA 903.7 903.0 896.6 898.2 891.9 890.9 885.3 888.1 894.0 899.2 902.3 905.0 905.0 DAY 3 7 17 3 2 1 29 26 30 3 15 29 MIN. QFE PRESSURE IN HPA 886.2 887.1 884.5 886.2 884.9 879.0 877.8 880.8 883.7 890.5 891.2 887.9 877.8 DAY 19 3 23 23 24 25 8 4 1 8 20 26 MEAN QNH PRESSURE IN HPA 1016.9 1015.4 1011.8 1012.4 1009.3 1005.9 1002.0 1004.8 1010.4 1017.1 1018.9 1017.9 1011.9 MAX. QNH PRESSURE IN HPA 1026.5 1025.7 1018.7 1020.4 1013.4 1012.3 1006.1 1009.2 1015.8 1021.5 1025.0 1028.0 1028.0 DAY 3 7 17 3 2 1 29 26 30 3 15 29 MIN. QNH PRESSURE IN HPA 1007.1 1008.1 1005.2 1007.1 1005.7 999.1 997.8 1001.1 1004.3 1011.9 1012.7 1009.0 997.8 DAY 19 3 23 23 24 25 8 4 1 8 20 26 MEAN QFF PRESSURE IN HPA 1016.3 1013.9 1007.4 1005.9 999.5 994.7 990.3 994.3 1001.1 1010.8 1015.3 1015.7 1005.4 MAX. QFF PRESSURE IN HPA 1028.2 1027.9 1016.9 1018.2 1004.9 1002.5 995.4 1000.1 1009.3 1016.5 1022.7 1028.7 1028.7 DAY 3 7 25 3 2 1 29 26 30 3 25 29 MIN. QFF PRESSURE IN HPA 1004.7 1003.9 998.9 998.6 994.9 986.7 985.5 989.5 993.4 1005.3 1007.9 1004.7 985.5 DAY 19 3 5 23 29 25 8 4 1 8 14 26 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 896.2 894.7 891.4 892.4 889.6 886.2 882.7 885.5 890.4 896.1 897.6 896.6 891.6 MAX. QFE PRESSURE IN HPA 905.5 903.6 897.2 900.2 893.3 892.5 886.8 889.6 896.1 900.4 902.3 906.1 906.1 DAY 2 7 17 3 2 1 30 26 24 16 15 29 MIN. QFE PRESSURE IN HPA 888.6 888.9 884.2 887.6 885.7 879.8 879.0 882.6 885.3 891.4 891.4 889.5 879.0 DAY 19 3 23 15 24 30 8 24 1 7 28 26 MEAN QNH PRESSURE IN HPA 1018.2 1016.5 1012.9 1014.0 1010.9 1007.1 1003.2 1006.3 1011.7 1018.1 1019.8 1018.7 1013.1 MAX. QNH PRESSURE IN HPA 1028.5 1026.4 1019.3 1022.6 1015.0 1014.1 1007.8 1010.9 1018.1 1022.9 1025.0 1029.2 1029.2 DAY 2 7 17 3 2 1 30 26 24 16 15 29 MIN. QNH PRESSURE IN HPA 1009.8 1010.1 1004.9 1008.7 1006.6 1000.0 999.1 1003.1 1006.1 1012.9 1012.9 1010.8 999.1 DAY 19 3 23 15 24 30 8 24 1 7 28 26 MEAN QFF PRESSURE IN HPA 1017.0 1014.4 1007.8 1006.7 1000.5 995.3 991.1 995.2 1001.7 1010.9 1015.3 1016.0 1006.0 MAX. QFF PRESSURE IN HPA 1028.2 1028.7 1017.7 1019.3 1006.9 1003.5 996.7 1000.8 1009.9 1017.1 1022.5 1030.0 1030.0 DAY 3 7 25 3 2 1 29 26 24 3 26 29 MIN. QFF PRESSURE IN HPA 1006.1 1005.3 997.7 998.7 995.0 986.9 986.1 991.6 995.1 1005.3 1009.2 1005.8 986.1 DAY 29 3 23 23 24 30 8 24 1 10 28 27 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 895.7 894.4 891.5 892.2 889.8 886.4 882.9 885.7 890.3 895.9 897.3 896.0 891.5 MAX. QFE PRESSURE IN HPA 905.5 903.6 897.7 900.2 893.7 892.7 887.3 890.0 894.7 900.4 902.3 905.2 905.5 DAY 2 7 17 3 2 1 30 26 24 16 4 29 MIN. QFE PRESSURE IN HPA 888.8 888.4 883.7 887.3 885.6 879.9 879.6 882.9 885.6 890.8 891.0 889.7 879.6 DAY 26 3 23 15 24 23 8 6 1 30 28 26 MEAN QNH PRESSURE IN HPA 1017.7 1016.2 1013.0 1013.8 1011.1 1007.3 1003.5 1006.5 1011.7 1017.9 1019.4 1018.0 1013.0 MAX. QNH PRESSURE IN HPA 1028.5 1026.4 1019.9 1022.6 1015.4 1014.3 1008.3 1011.3 1016.5 1022.9 1025.0 1028.2 1028.5 DAY 2 7 17 3 2 1 30 26 24 16 4 29 MIN. QNH PRESSURE IN HPA 1010.0 1009.6 1004.3 1008.3 1006.4 1000.1 999.8 1003.5 1006.4 1012.2 1012.4 1011.0 999.8 DAY 26 3 23 15 24 23 8 6 1 30 28 26 MEAN QFF PRESSURE IN HPA 1016.1 1013.6 1007.7 1006.3 1000.6 995.5 991.3 995.4 1001.5 1010.4 1014.4 1014.7 1005.6 MAX. QFF PRESSURE IN HPA 1027.3 1028.3 1017.4 1019.6 1006.0 1003.5 996.9 1001.2 1009.0 1015.9 1021.5 1029.9 1029.9 DAY 2 7 25 3 2 1 29 26 30 24 25 29 MIN. QFF PRESSURE IN HPA 1005.2 1004.1 997.3 998.7 994.9 986.8 986.6 991.6 994.7 1004.1 1007.9 1006.1 986.6 DAY 26 3 23 23 24 23 8 6 1 10 28 26 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1989 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 7.8 9.1 17.5 22.5 28.2 34.2 33.9 31.8 29.5 25.0 18.5 13.5 22.6 MINIMUN AIR TEMPERATURE (C) 2.0 3.5 12.3 17.1 21.6 27.8 28.6 24.4 21.7 18.8 13.1 8.7 16.6 DAYS WITH MINIMUM TEMP. >=21 0 0 0 6 21 30 31 30 23 6 0 0 147 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 9 7 0 0 0 0 0 0 0 0 0 0 16 TEMPERATURE RECORDS LOWEST(C) -3.0 -1.5 6.0 8.0 9.5 24.2 24.0 20.5 15.0 14.2 9.0 3.0 -3.0 DAY 31 7 1 1 2 17 25 30 24 26 26 23 MAXIMUM AIR TEMPERATURE (C) 14.3 15.2 23.3 28.3 34.2 40.3 39.3 37.6 36.2 32.3 25.1 20.0 28.8 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 12 25 30 31 31 28 24 3 0 184 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 21.0 23.6 29.6 36.0 42.6 43.0 43.0 40.6 40.4 37.0 32.2 28.0 43.0 DAY 24 23 27 18 31 3 9 12 19 1 17 2 DIF. BETWEEN (MAX.-MIN.) (C) 12.3 11.7 11.0 11.2 12.6 12.5 10.7 13.2 14.5 13.5 12.0 11.3 12.2 MEAN DAILY TEMP. (MDT) (C) 8.1 9.4 17.8 22.7 27.9 34.0 34.0 31.0 29.0 25.5 19.1 14.3 22.7 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 8.9 83.2 223.1 391.3 401.5 309.6 238.8 140.8 12.8 0.0 1810.2 HEATING DEG. DAYS(BASE 18 0C) 306.1 244.3 44.2 5.7 1.9 0.0 0.0 0.0 0.0 0.0 13.7 127.7 743.6 DEWPOINT (MEAN C) -5.1 -5.0 1.4 2.4 -0.8 0.9 4.7 2.0 0.3 -2.6 1.5 -2.0 -0.2 MIXING RATIO (G/KG) 3.05 3.20 4.95 5.37 4.30 4.91 6.34 5.14 4.62 3.66 5.04 3.92 4.54 VAPOUR PRESSURE (HPA) 4.36 4.57 7.03 7.64 6.11 6.93 8.92 7.27 6.56 5.23 7.20 5.60 6.45 SATURATION DEF. (HPA) 6.79 7.81 13.74 20.98 34.36 48.30 45.31 40.98 36.35 27.77 14.81 10.67 25.66 RELATIVE HUMIDITY (MEAN %) 42 40 38 31 17 13 17 16 16 18 35 37 27 RELATIVE HUMIDITY (MAX. %) 60 59 54 46 25 22 23 25 25 26 52 52 39 RELATIVE HUMIDITY (MIN. %) 27 26 23 19 10 8 12 10 10 11 22 22 17 RELATIVE HUMIDITY (MEAN% 03UTC) 56 52 48 40 22 17 21 21 21 24 44 43 34 RELATIVE HUMIDITY (MEAN% 09UTC) 31 28 26 20 11 9 14 11 11 12 24 23 18 RELATIVE HUMIDITY (MEAN% 15UTC) 37 35 32 28 13 11 14 13 14 16 33 36 24 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 0.0 7.1 17.0 3.4 0.0 0.0 0.0 0.0 0.0 0.0 2.8 4.4 34.7 DAYS WITH PRECIPITATION >=10 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH PRECIPITATION >= 5 0 0 2 0 0 0 0 0 0 0 0 0 2 DAYS WITH PRECIPITATION >= 1 0 2 2 1 0 0 0 0 0 0 1 1 7 DAYS WITH PRECIPITATION 0 3 2 4 0 0 0 0 0 0 2 2 13 GREATEST DAILY PRECIPITATION 0.0 4.0 9.0 2.0 0.0 0.0 0.0 0.0 0.0 0.0 2.2 3.8 9.0 DAY ** 25 21 26 ** ** ** ** ** ** 8 15 DAY WITH THUNDER STORM 0 0 1 2 0 0 0 0 1 0 0 0 4 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 2 1 7 0 0 1 9 3 3 4 0 1 31 WIND DIRECTION (PREVAILING) 270 270 270 270 45 270 360 315 315 270 270 315 270 PREVAILING WIND SPEED(KNOTS) 10.1 12.6 14.8 14.3 9.7 10.7 13.3 12.9 13.7 13.8 11.0 9.6 12.5 PREVAILING WIND PERCENT 18.1 14.3 22.6 26.7 20.6 23.8 29.4 29.0 24.6 26.6 17.9 23.4 19.5 CALMS PERCENT OF WIND 49.2 49.1 40.7 35.0 31.5 24.6 15.3 22.6 38.3 33.5 52.5 47.2 36.5 NO. OF WIND OBSERVATION 248 224 248 240 248 240 248 248 240 248 240 248 2920 VECTOR WIND DIRECTION (MEAN) 294 298 285 296 333 320 337 332 320 304 303 300 314 VECTOR WIND MAGNITUDE(KNOTS) 2.2 2.1 4.8 5.6 4.2 5.1 7.5 7.4 5.3 5.6 2.9 3.6 4.5 WIND STEADINESES (MEAN %) 40.0 36.2 57.8 66.7 53.8 60.7 74.3 71.2 64.6 68.3 61.7 72.0 59.2 WIND SPEED (MEAN KNOTS) 5.5 5.8 8.3 8.4 7.8 8.4 10.1 10.4 8.2 8.2 4.7 5.0 7.6 FASTEST WIND DIRECTION 210 240 270 290 360 270 270 30 360 280 270 300 270 FASTEST WIND SPEED (KNOTS) 27 29 35 25 23 27 31 27 23 29 23 19 35 DAY 17 19 28 24 1 12 6 24 1 8 17 3 DAYS WITH SKY CLEAR (0-2)/8 27 17 16 10 27 29 27 30 29 31 17 18 278 DAYS WITH P.CLOUDY (3-6)/8 2 10 10 16 4 1 4 1 1 0 12 11 72 DAYS WITH CLOUDY (7-8)/8 2 1 5 4 0 0 0 0 0 0 1 2 15 DAYS WITH VISIBILITY =< 2 KM 2 0 1 0 0 0 0 0 0 0 0 0 3 DURATION OF SUNSHINE HOURS 245.6 242.8 239.7 223.4 344.1 338.8 327.1 347.9 310.4 308.2 241.7 230.8 3400.5 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1989 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 895.2 896.6 891.6 892.9 891.1 886.3 885.6 887.1 889.9 895.3 897.5 895.7 892.1 MAX. QFE PRESSURE IN HPA 903.7 904.4 898.8 899.9 896.8 890.4 889.4 892.2 900.2 904.1 902.9 901.1 904.4 DAY-HOUR 27- 6 26- 6 8- 6 9- 6 1-21 2- 6 20- 3 31- 6 24- 6 27- 6 26- 6 10- 6 MIN. QFE PRESSURE IN HPA 886.1 886.0 883.0 886.2 884.3 879.7 882.0 881.9 883.2 888.5 893.0 890.0 879.7 DAY-HOUR 12-12 23- 3 28-21 29-21 31-15 7-15 18-15 1-12 12-12 2-12 20-12 5-12 MEAN QNH PRESSURE IN HPA 1017.1 1018.6 1013.1 1014.6 1012.5 1007.3 1006.5 1008.1 1011.2 1017.2 1019.6 1017.7 1013.6 MAX. QNH PRESSURE IN HPA 1026.5 1027.3 1021.1 1022.3 1018.9 1011.8 1010.7 1013.8 1022.6 1027.0 1025.6 1023.6 1027.3 DAY-HOUR 27- 6 26- 6 8- 6 9- 6 1-21 2- 6 20- 3 31- 6 24- 6 27- 6 26- 6 10- 6 MIN. QNH PRESSURE IN HPA 1007.0 1006.9 1003.6 1007.1 1005.0 999.9 1002.5 1002.3 1003.8 1009.7 1014.7 1011.3 999.9 DAY-HOUR 12-12 23- 3 28-21 29-21 31-15 7-15 18-15 1-12 12-12 2-12 20-12 5-12 MEAN QFF PRESSURE IN HPA 1017.2 1018.2 1008.7 1008.1 1003.8 996.1 995.3 997.9 1002.0 1009.9 1014.9 1015.1 1007.3 MAX. QFF PRESSURE IN HPA 1029.0 1030.1 1019.2 1017.3 1014.9 1000.8 999.9 1004.0 1016.8 1021.1 1022.4 1022.8 1030.1 DAY-HOUR 31- 6 26- 6 31-18 9- 6 2- 3 16- 3 20- 3 31- 6 24- 3 27- 6 26- 6 19- 6 MIN. QFF PRESSURE IN HPA 1005.3 1001.3 996.8 999.3 993.7 987.9 990.3 991.7 993.0 1000.2 1007.8 1005.2 987.9 DAY-HOUR 12-12 23- 3 28-21 29-21 31-18 7-21 18-15 2- 9 12-12 2-12 20-12 5-12 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 894.8 896.0 891.1 892.6 890.9 886.1 885.6 886.8 889.7 894.9 897.1 895.4 891.7 MAX. QFE PRESSURE IN HPA 900.9 902.0 897.4 897.0 895.1 889.1 888.7 889.8 898.7 900.8 900.9 899.3 902.0 DAY 19 8 1 4 2 3 20 31 24 27 29 19 MIN. QFE PRESSURE IN HPA 887.1 887.4 883.4 886.2 886.2 882.8 883.6 882.5 884.8 889.5 893.8 892.2 882.5 DAY 5 23 29 30 30 8 18 2 12 2 25 17 MEAN QNH PRESSURE IN HPA 1016.7 1018.0 1012.6 1014.2 1012.3 1007.0 1006.5 1007.8 1011.0 1016.8 1019.2 1017.3 1013.3 MAX. QNH PRESSURE IN HPA 1023.4 1024.6 1019.5 1019.1 1017.0 1010.3 1009.9 1011.1 1021.0 1023.3 1023.4 1021.6 1024.6 DAY 19 8 1 4 2 3 20 31 24 27 29 19 MIN. QNH PRESSURE IN HPA 1008.1 1008.4 1004.0 1007.1 1007.1 1003.3 1004.2 1003.0 1005.6 1010.8 1015.5 1013.8 1003.0 DAY 5 23 29 30 30 8 18 2 12 2 25 17 MEAN QFF PRESSURE IN HPA 1016.5 1017.5 1008.0 1007.7 1003.8 995.8 995.2 997.5 1001.6 1009.2 1014.3 1014.4 1006.8 MAX. QFF PRESSURE IN HPA 1026.1 1026.6 1017.2 1016.5 1013.7 999.3 998.9 1002.1 1014.9 1017.5 1018.9 1020.4 1026.6 DAY 19 26 1 1 2 3 20 31 24 27 26 19 MIN. QFF PRESSURE IN HPA 1005.7 1002.5 997.6 999.5 995.8 991.9 991.8 992.0 994.8 1001.2 1009.4 1008.5 991.8 DAY 5 23 29 30 30 8 18 2 12 2 20 5 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 895.4 896.7 892.2 893.5 891.9 887.4 886.8 887.7 890.5 895.9 897.9 896.1 892.7 MAX. QFE PRESSURE IN HPA 901.7 903.1 897.9 898.3 896.2 889.8 889.4 891.1 899.6 902.3 902.3 900.1 903.1 DAY 31 8 1 3 2 2 20 31 24 27 29 19 MIN. QFE PRESSURE IN HPA 887.9 886.0 886.2 888.0 887.3 884.2 883.9 883.1 885.6 890.3 894.0 892.2 883.1 DAY 3 23 30 30 31 7 18 2 12 2 25 5 MEAN QNH PRESSURE IN HPA 1017.4 1018.8 1013.8 1015.2 1013.4 1008.5 1007.7 1008.8 1011.9 1017.9 1020.1 1018.1 1014.3 MAX. QNH PRESSURE IN HPA 1024.3 1025.9 1020.1 1020.5 1018.2 1011.1 1010.7 1012.5 1022.0 1025.0 1025.0 1022.5 1025.9 DAY 31 8 1 3 2 2 20 31 24 27 29 19 MIN. QNH PRESSURE IN HPA 1009.0 1006.9 1007.1 1009.1 1008.3 1004.9 1004.6 1003.7 1006.4 1011.7 1015.8 1013.8 1003.7 DAY 3 23 30 30 31 7 18 2 12 2 25 5 MEAN QFF PRESSURE IN HPA 1018.1 1019.1 1009.9 1009.3 1005.2 997.6 996.9 999.0 1003.3 1011.3 1016.1 1016.3 1008.5 MAX. QFF PRESSURE IN HPA 1028.5 1028.9 1018.0 1017.1 1014.9 1000.8 999.9 1003.9 1016.8 1020.0 1022.1 1022.2 1028.9 DAY 31 26 1 1 2 16 20 31 24 27 26 19 MIN. QFF PRESSURE IN HPA 1006.0 1001.3 1001.9 1002.9 997.4 993.9 992.5 993.0 996.4 1002.8 1011.1 1008.9 992.5 DAY 3 23 28 30 30 7 18 2 12 2 20 5 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1989 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 896.9 898.0 893.3 894.4 892.6 887.8 886.9 888.5 891.5 897.0 899.0 897.3 893.6 MAX. QFE PRESSURE IN HPA 903.7 904.4 898.8 899.9 896.7 890.4 889.2 892.2 900.2 904.1 902.9 901.1 904.4 DAY 27 26 8 9 1 2 20 31 24 27 26 10 MIN. QFE PRESSURE IN HPA 889.5 886.2 886.9 889.6 887.7 884.7 884.9 884.4 886.2 891.3 895.6 893.2 884.4 DAY 12 23 30 23 30 7 18 1 12 2 20 5 MEAN QNH PRESSURE IN HPA 1019.0 1020.2 1015.0 1016.2 1014.3 1008.9 1007.9 1009.7 1013.0 1019.1 1021.3 1019.5 1015.3 MAX. QNH PRESSURE IN HPA 1026.5 1027.3 1021.1 1022.3 1018.8 1011.8 1010.4 1013.8 1022.6 1027.0 1025.6 1023.6 1027.3 DAY 27 26 8 9 1 2 20 31 24 27 26 10 MIN. QNH PRESSURE IN HPA 1010.8 1007.1 1007.9 1010.9 1008.8 1005.4 1005.7 1005.1 1007.1 1012.8 1017.5 1014.9 1005.1 DAY 12 23 30 23 30 7 18 1 12 2 20 5 MEAN QFF PRESSURE IN HPA 1019.1 1019.8 1010.5 1009.6 1005.4 997.6 996.7 999.1 1003.5 1011.6 1016.5 1017.0 1008.9 MAX. QFF PRESSURE IN HPA 1029.0 1030.1 1017.7 1017.3 1014.6 1000.7 999.4 1004.0 1016.1 1021.1 1022.4 1022.8 1030.1 DAY 31 26 31 9 2 2 20 31 24 27 26 19 MIN. QFF PRESSURE IN HPA 1008.9 1001.7 1002.4 1003.6 996.8 993.6 993.2 994.4 996.7 1003.2 1011.5 1009.3 993.2 DAY 12 23 28 29 30 7 18 2 12 2 17 5 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 895.1 896.6 892.0 893.3 891.5 886.9 886.0 887.3 890.0 895.3 897.1 895.4 892.2 MAX. QFE PRESSURE IN HPA 901.2 902.9 897.4 898.9 895.6 889.5 888.1 891.1 898.5 901.7 901.2 899.2 902.9 DAY 27 26 31 9 1 2 9 31 23 27 8 19 MIN. QFE PRESSURE IN HPA 887.4 886.7 886.2 888.5 886.5 882.5 883.9 882.9 884.5 890.3 894.0 891.1 882.5 DAY 17 23 28 23 30 7 18 2 12 2 20 5 MEAN QNH PRESSURE IN HPA 1017.0 1018.6 1013.5 1015.0 1013.0 1007.9 1006.9 1008.3 1011.4 1017.2 1019.2 1017.3 1013.8 MAX. QNH PRESSURE IN HPA 1023.7 1025.6 1019.5 1021.2 1017.5 1010.8 1009.2 1012.5 1020.8 1024.3 1023.7 1021.5 1025.6 DAY 27 26 31 9 1 2 9 31 23 27 8 19 MIN. QNH PRESSURE IN HPA 1008.4 1007.7 1007.1 1009.7 1007.4 1003.0 1004.6 1003.5 1005.2 1011.7 1015.8 1012.5 1003.0 DAY 17 23 28 23 30 7 18 2 12 2 20 5 MEAN QFF PRESSURE IN HPA 1016.6 1017.8 1008.8 1008.2 1004.1 996.6 995.6 997.9 1001.8 1009.4 1014.0 1014.3 1007.1 MAX. QFF PRESSURE IN HPA 1025.4 1027.3 1016.6 1016.3 1012.6 999.6 997.5 1002.8 1013.8 1018.2 1019.7 1020.0 1027.3 DAY 31 26 31 3 1 2 21 31 23 27 8 19 MIN. QFF PRESSURE IN HPA 1006.3 1001.7 1000.2 1002.1 995.6 990.5 991.9 991.7 994.4 1002.1 1008.8 1006.9 990.5 DAY 24 23 28 22 30 7 18 2 12 2 20 5 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 894.0 895.3 890.2 891.6 889.8 885.4 884.5 885.9 888.6 893.9 896.0 894.5 890.8 MAX. QFE PRESSURE IN HPA 900.7 901.5 896.2 896.6 894.3 888.3 886.9 889.1 897.4 900.3 899.5 898.3 901.5 DAY 30 8 31 9 4 2 9 31 23 27 26 18 MIN. QFE PRESSURE IN HPA 886.1 886.5 884.1 887.2 884.6 880.0 882.8 881.9 883.2 888.5 893.0 890.0 880.0 DAY 12 14 29 23 31 7 18 1 12 2 20 5 MEAN QNH PRESSURE IN HPA 1015.7 1017.2 1011.6 1013.1 1011.1 1006.2 1005.2 1006.8 1009.7 1015.7 1018.0 1016.3 1012.2 MAX. QNH PRESSURE IN HPA 1023.2 1024.1 1018.2 1018.7 1016.1 1009.4 1007.9 1010.3 1019.5 1022.8 1021.9 1020.5 1024.1 DAY 30 8 31 9 4 2 9 31 23 27 26 18 MIN. QNH PRESSURE IN HPA 1007.0 1007.4 1004.8 1008.2 1005.3 1000.2 1003.3 1002.3 1003.8 1009.7 1014.7 1011.3 1000.2 DAY 12 14 29 23 31 7 18 1 12 2 20 5 MEAN QFF PRESSURE IN HPA 1015.5 1016.5 1007.0 1006.6 1002.5 995.1 994.0 996.6 1000.4 1008.1 1013.1 1013.5 1005.7 MAX. QFF PRESSURE IN HPA 1025.1 1025.5 1015.7 1014.3 1011.5 998.1 996.1 1001.0 1012.8 1016.7 1017.9 1019.1 1025.5 DAY 30 8 31 3 2 15 20 31 23 27 26 18 MIN. QFF PRESSURE IN HPA 1005.3 1001.6 998.8 1000.2 994.4 988.6 990.7 992.1 993.0 1000.2 1007.8 1005.2 988.6 DAY 12 23 28 29 31 7 18 1 12 2 20 5 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1989 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 894.8 896.1 890.8 892.0 889.9 885.3 884.5 886.2 889.0 894.6 897.2 895.6 891.3 MAX. QFE PRESSURE IN HPA 901.1 901.9 897.4 897.9 894.4 888.3 886.3 889.7 898.0 901.3 900.7 899.3 901.9 DAY 30 8 31 9 1 2 9 31 23 27 28 18 MIN. QFE PRESSURE IN HPA 888.1 887.4 885.2 886.7 884.3 879.7 882.0 882.3 884.2 888.5 894.5 891.7 879.7 DAY 12 14 29 29 31 7 18 1 12 2 20 5 MEAN QNH PRESSURE IN HPA 1016.7 1018.1 1012.2 1013.5 1011.2 1006.1 1005.2 1007.1 1010.3 1016.5 1019.3 1017.5 1012.8 MAX. QNH PRESSURE IN HPA 1023.6 1024.5 1019.5 1020.1 1016.2 1009.4 1007.2 1011.0 1020.2 1023.9 1023.2 1021.6 1024.5 DAY 30 8 31 9 1 2 9 31 23 27 28 18 MIN. QNH PRESSURE IN HPA 1009.2 1008.4 1006.0 1007.7 1005.0 999.9 1002.5 1002.8 1004.9 1009.7 1016.3 1013.2 999.9 DAY 12 14 29 29 31 7 18 1 12 2 20 5 MEAN QFF PRESSURE IN HPA 1017.4 1018.3 1008.3 1007.6 1002.8 995.1 994.3 997.3 1001.6 1009.9 1015.4 1015.7 1007.0 MAX. QFF PRESSURE IN HPA 1026.7 1026.9 1018.1 1015.5 1012.2 998.5 997.1 1002.2 1014.1 1018.7 1020.0 1020.6 1026.9 DAY 30 8 31 9 1 2 24 31 23 27 26 19 MIN. QFF PRESSURE IN HPA 1007.3 1005.0 1000.2 1000.3 994.3 988.5 990.3 992.8 995.0 1001.2 1010.5 1008.0 988.5 DAY 4 23 28 29 31 7 18 1 12 2 20 5 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 895.7 897.2 891.9 893.3 891.0 886.0 885.5 887.4 890.2 895.7 897.9 896.2 892.3 MAX. QFE PRESSURE IN HPA 901.8 903.0 898.5 898.4 896.1 889.2 887.1 889.8 899.5 901.8 901.8 900.3 903.0 DAY 30 8 31 9 1 2 8 21 23 27 28 18 MIN. QFE PRESSURE IN HPA 888.5 889.3 885.2 886.3 885.0 879.8 883.8 883.5 885.7 889.9 895.0 892.3 879.8 DAY 17 14 28 29 31 7 18 1 12 1 24 5 MEAN QNH PRESSURE IN HPA 1017.6 1019.3 1013.5 1015.0 1012.5 1006.9 1006.3 1008.4 1011.6 1017.6 1020.1 1018.3 1013.9 MAX. QNH PRESSURE IN HPA 1024.4 1025.7 1020.8 1020.6 1018.1 1010.4 1008.1 1011.1 1021.9 1024.4 1024.4 1022.8 1025.7 DAY 30 8 31 9 1 2 8 21 23 27 28 18 MIN. QNH PRESSURE IN HPA 1009.7 1010.6 1006.0 1007.2 1005.8 1000.0 1004.4 1004.1 1006.6 1011.2 1016.9 1013.9 1000.0 DAY 17 14 28 29 31 7 18 1 12 1 24 5 MEAN QFF PRESSURE IN HPA 1017.7 1018.7 1009.0 1008.3 1003.5 995.6 995.0 997.8 1002.1 1010.1 1015.3 1015.8 1007.4 MAX. QFF PRESSURE IN HPA 1027.8 1026.8 1019.2 1015.6 1014.3 999.6 997.4 1001.6 1015.4 1018.2 1020.5 1021.4 1027.8 DAY 30 8 31 4 1 2 24 30 23 27 28 18 MIN. QFF PRESSURE IN HPA 1007.1 1008.1 999.4 999.6 993.7 988.5 991.6 993.5 995.8 1001.7 1011.1 1008.4 988.5 DAY 17 23 28 29 31 7 18 1 12 1 16 5 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 895.2 896.8 891.6 893.1 891.1 885.9 885.5 887.2 889.9 895.4 897.5 895.6 892.1 MAX. QFE PRESSURE IN HPA 901.4 902.5 897.3 898.0 896.8 888.6 888.7 889.8 899.3 901.0 900.9 900.0 902.5 DAY 30 25 31 9 1 2 19 21 23 27 28 18 MIN. QFE PRESSURE IN HPA 887.6 888.5 883.0 886.2 885.6 879.8 883.5 883.2 885.3 889.5 894.2 891.6 879.8 DAY 4 14 28 29 31 7 6 1 12 1 18 31 MEAN QNH PRESSURE IN HPA 1017.1 1018.9 1013.1 1014.7 1012.5 1006.8 1006.4 1008.3 1011.2 1017.3 1019.7 1017.6 1013.6 MAX. QNH PRESSURE IN HPA 1024.0 1025.2 1019.4 1020.2 1018.9 1009.8 1009.9 1011.1 1021.6 1023.5 1023.4 1022.4 1025.2 DAY 30 25 31 9 1 2 19 21 23 27 28 18 MIN. QNH PRESSURE IN HPA 1008.7 1009.7 1003.6 1007.1 1006.4 1000.0 1004.1 1003.8 1006.1 1010.8 1016.0 1013.1 1000.0 DAY 4 14 28 29 31 7 6 1 12 1 18 31 MEAN QFF PRESSURE IN HPA 1016.8 1017.9 1008.4 1007.8 1003.6 995.5 995.0 997.9 1001.5 1009.5 1014.4 1014.5 1006.9 MAX. QFF PRESSURE IN HPA 1026.7 1026.6 1017.5 1015.1 1014.8 998.9 998.2 1001.4 1015.2 1017.6 1018.7 1020.5 1026.7 DAY 30 7 31 9 1 2 19 31 23 26 28 18 MIN. QFF PRESSURE IN HPA 1005.8 1006.1 996.8 999.3 994.4 987.9 991.5 992.5 995.2 1001.2 1010.0 1008.0 987.9 DAY 4 22 28 29 31 7 6 1 12 1 18 5 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1990 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 10.0 12.4 17.5 24.3 30.9 33.8 34.1 34.2 30.0 24.1 18.1 12.3 23.5 MINIMUN AIR TEMPERATURE (C) 4.2 6.9 11.4 17.9 24.6 27.5 28.3 28.0 23.8 18.5 12.8 7.1 17.6 DAYS WITH MINIMUM TEMP. >=21 0 0 1 6 30 30 31 31 26 8 0 0 163 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 1 1 DAYS WITH FREEZING MIN.<= 0 4 0 0 0 0 0 0 0 0 0 0 5 9 TEMPERATURE RECORDS LOWEST(C) -1.6 0.2 2.0 11.0 20.2 21.5 26.0 23.5 19.2 12.0 8.8 -5.0 -5.0 DAY 13 1 22 2 2 3 18 15 29 20 26 29 MAXIMUM AIR TEMPERATURE (C) 16.5 18.7 24.1 31.0 37.3 39.8 39.8 40.3 36.5 30.4 25.3 19.0 29.9 DAYS WITH MAXIMUM TEMP. >=30 0 0 4 17 31 30 31 31 30 19 5 0 198 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 23.6 25.0 34.6 37.4 41.6 44.0 44.0 44.0 41.4 37.4 32.0 25.6 44.0 DAY 25 3 14 15 23 27 5 11 2 2 12 5 DIF. BETWEEN (MAX.-MIN.) (C) 12.3 11.8 12.7 13.1 12.7 12.3 11.5 12.3 12.7 11.9 12.5 11.9 12.3 MEAN DAILY TEMP. (MDT) (C) 10.3 12.8 17.7 24.5 31.0 33.6 34.1 34.2 30.1 24.5 19.0 13.1 23.7 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 23.0 112.1 309.2 378.7 404.7 408.1 274.1 117.0 16.3 0.0 2043.3 HEATING DEG. DAYS(BASE 18 0C) 237.7 147.1 59.6 0.5 0.0 0.0 0.0 0.0 0.0 0.0 23.7 154.1 622.6 DEWPOINT (MEAN C) -1.7 -1.1 -4.5 -1.2 1.5 1.9 6.1 6.2 2.9 -0.0 -2.4 -3.4 0.4 MIXING RATIO (G/KG) 3.91 4.17 3.26 4.17 5.03 5.12 7.00 6.94 5.52 4.42 3.76 3.41 4.73 VAPOUR PRESSURE (HPA) 5.59 5.94 4.66 5.92 7.12 7.23 9.83 9.77 7.81 6.32 5.39 4.88 6.71 SATURATION DEF. (HPA) 7.33 9.20 16.67 25.91 39.05 47.10 44.89 45.71 36.24 25.03 16.44 10.53 27.01 RELATIVE HUMIDITY (MEAN %) 47 43 25 21 17 14 19 18 19 22 26 38 26 RELATIVE HUMIDITY (MAX. %) 66 63 39 35 26 19 25 28 23 33 37 53 37 RELATIVE HUMIDITY (MIN. %) 30 26 15 12 10 10 14 13 14 14 17 24 17 RELATIVE HUMIDITY (MEAN% 03UTC) 61 57 35 28 23 17 23 25 22 27 32 46 33 RELATIVE HUMIDITY (MEAN% 09UTC) 35 29 16 13 11 11 15 14 14 15 18 26 18 RELATIVE HUMIDITY (MEAN% 15UTC) 41 36 21 19 15 12 17 16 19 21 27 38 24 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 4.0 3.6 2.0 0.0 8.0 0.0 0.0 0.0 0.0 0.0 0.0 13.2 30.8 DAYS WITH PRECIPITATION >=10 0 0 0 0 0 0 0 0 0 0 0 1 1 DAYS WITH PRECIPITATION >= 5 0 0 0 0 1 0 0 0 0 0 0 1 2 DAYS WITH PRECIPITATION >= 1 2 1 2 0 3 0 0 0 0 0 0 2 10 DAYS WITH PRECIPITATION 2 2 2 0 3 0 0 0 0 0 0 2 11 GREATEST DAILY PRECIPITATION 3.0 3.0 1.0 0.0 5.0 0.0 0.0 0.0 0.0 0.0 0.0 11.0 11.0 DAY 15 23 28 ** 11 ** ** ** ** ** ** 27 DAY WITH THUNDER STORM 0 0 0 0 1 1 0 0 0 0 0 0 2 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 2 2 DAYS WITH DUST 5 1 6 3 4 2 9 6 1 2 0 0 39 WIND DIRECTION (PREVAILING) 270 270 315 270 315 270 270 315 270 270 270 270 270 PREVAILING WIND SPEED(KNOTS) 10.7 10.5 9.6 12.2 10.5 10.5 9.5 11.1 11.0 11.6 10.9 12.9 11.0 PREVAILING WIND PERCENT 10.9 17.4 22.2 23.3 27.8 25.0 21.4 23.8 22.1 19.8 22.5 14.5 18.5 CALMS PERCENT OF WIND 57.3 49.6 33.9 33.8 23.0 29.6 27.8 30.6 31.7 44.8 49.2 58.9 39.1 NO. OF WIND OBSERVATION 248 224 248 240 248 240 248 248 240 248 240 248 2920 VECTOR WIND DIRECTION (MEAN) 283 291 325 302 307 317 342 333 323 312 296 288 314 VECTOR WIND MAGNITUDE(KNOTS) 1.8 1.9 3.2 3.9 4.6 4.6 5.1 4.8 4.9 3.4 3.6 2.3 3.5 WIND STEADINESES (MEAN %) 46.2 41.3 51.6 58.2 57.5 63.9 63.7 63.2 66.2 59.6 69.2 52.3 56.5 WIND SPEED (MEAN KNOTS) 3.9 4.6 6.2 6.7 8.0 7.2 8.0 7.6 7.4 5.7 5.2 4.4 6.2 FASTEST WIND DIRECTION 270 270 30 270 90 360 90 360 360 290 300 270 270 FASTEST WIND SPEED (KNOTS) 27 27 27 27 29 27 23 23 25 21 23 39 39 DAY 2 16 3 16 7 25 6 4 25 5 1 25 DAYS WITH SKY CLEAR (0-2)/8 14 16 20 12 22 28 30 27 30 31 28 26 284 DAYS WITH P.CLOUDY (3-6)/8 16 8 8 15 9 2 1 4 0 0 2 4 69 DAYS WITH CLOUDY (7-8)/8 1 4 3 3 0 0 0 0 0 0 0 1 12 DAYS WITH VISIBILITY =< 2 KM 0 1 1 0 2 0 0 0 0 0 0 2 6 DURATION OF SUNSHINE HOURS 217.2 219.1 250.4 246.9 314.0 342.1 350.2 337.4 319.1 274.9 279.3 260.5 3411.1 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1990 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 895.7 892.8 894.7 890.6 888.8 885.8 884.0 886.1 889.6 895.8 897.7 896.9 891.5 MAX. QFE PRESSURE IN HPA 904.9 902.7 905.0 896.8 895.4 892.1 889.1 890.2 895.1 905.2 905.2 907.0 907.0 DAY-HOUR 27- 6 8- 6 10- 6 3-21 16- 6 1- 6 15- 6 4- 6 26- 6 19- 6 23- 6 28- 6 MIN. QFE PRESSURE IN HPA 887.4 884.3 885.6 883.0 880.7 880.1 877.2 881.9 884.6 888.5 889.8 886.1 877.2 DAY-HOUR 2-12 24-12 25-12 16- 0 13-12 27-12 5-12 8-15 3-12 2-12 1-12 25-12 MEAN QNH PRESSURE IN HPA 1017.7 1014.4 1016.5 1011.9 1010.0 1006.6 1004.7 1007.0 1010.9 1017.8 1019.9 1018.9 1013.0 MAX. QNH PRESSURE IN HPA 1027.9 1025.4 1028.0 1018.9 1017.3 1013.7 1010.3 1011.6 1017.0 1028.2 1028.2 1030.2 1030.2 DAY-HOUR 27- 6 8- 6 10- 6 3-21 16- 6 1- 6 15- 6 4- 6 26- 6 19- 6 23- 6 28- 6 MIN. QNH PRESSURE IN HPA 1008.4 1005.0 1006.4 1003.6 1001.0 1000.3 997.1 1002.3 1005.3 1009.7 1011.1 1007.0 997.1 DAY-HOUR 2-12 24-12 25-12 16- 0 13-12 27-12 5-12 8-15 3-12 2-12 1-12 25-12 MEAN QFF PRESSURE IN HPA 1016.7 1012.3 1012.4 1004.8 1000.1 995.6 993.4 995.7 1001.3 1010.7 1015.4 1017.0 1006.3 MAX. QFF PRESSURE IN HPA 1029.5 1026.0 1024.7 1013.7 1008.7 1005.5 999.3 1001.4 1008.8 1023.3 1025.1 1034.2 1034.2 DAY-HOUR 27- 6 1- 6 21- 6 12- 6 16- 6 1- 3 16- 3 16- 3 26- 3 19- 6 23- 6 28- 6 MIN. QFF PRESSURE IN HPA 1005.8 999.9 1000.1 993.2 990.6 988.3 984.3 990.5 994.0 1000.2 1005.4 1002.7 984.3 DAY-HOUR 2-12 16- 0 25-12 16- 0 13-12 27-12 5-12 9-12 3-12 2-12 1- 0 25-21 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 895.2 892.4 894.2 890.2 888.6 885.7 884.0 885.9 889.3 895.6 897.2 896.3 891.2 MAX. QFE PRESSURE IN HPA 904.2 901.5 901.2 894.9 894.0 891.5 888.1 889.1 893.9 902.4 903.4 904.1 904.2 DAY 27 1 10 4 16 1 16 4 26 19 24 29 MIN. QFE PRESSURE IN HPA 889.1 884.6 887.0 883.0 882.5 881.6 878.0 883.0 885.4 890.0 890.3 887.3 878.0 DAY 2 16 3 16 13 28 5 1 3 2 1 26 MEAN QNH PRESSURE IN HPA 1017.1 1014.0 1016.0 1011.5 1009.7 1006.5 1004.6 1006.8 1010.6 1017.5 1019.3 1018.4 1012.7 MAX. QNH PRESSURE IN HPA 1027.1 1024.1 1023.7 1016.8 1015.8 1013.0 1009.2 1010.3 1015.7 1025.1 1026.2 1027.0 1027.1 DAY 27 1 10 4 16 1 16 4 26 19 24 29 MIN. QNH PRESSURE IN HPA 1010.3 1005.3 1008.0 1003.6 1003.0 1002.0 998.0 1003.6 1006.2 1011.3 1011.7 1008.3 998.0 DAY 2 16 3 16 13 28 5 1 3 2 1 26 MEAN QFF PRESSURE IN HPA 1015.8 1011.7 1011.7 1004.4 999.8 995.6 993.4 995.4 1000.9 1010.3 1014.5 1016.1 1005.8 MAX. QFF PRESSURE IN HPA 1029.2 1025.0 1021.1 1010.8 1007.3 1004.9 998.2 999.6 1007.1 1019.9 1022.7 1030.9 1030.9 DAY 27 1 23 12 16 1 16 16 26 19 24 29 MIN. QFF PRESSURE IN HPA 1007.8 999.9 1003.6 993.2 992.1 989.7 985.4 991.5 994.9 1002.2 1005.4 1003.3 985.4 DAY 2 16 25 16 13 28 5 1 3 2 1 26 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 895.9 893.2 895.2 891.3 889.7 886.7 885.1 886.8 890.2 896.5 898.1 897.2 892.2 MAX. QFE PRESSURE IN HPA 904.2 901.5 903.9 896.0 894.4 891.7 888.9 889.7 894.6 903.9 904.1 904.5 904.5 DAY 27 1 10 12 16 1 16 16 26 19 24 28 MIN. QFE PRESSURE IN HPA 890.0 885.1 887.5 885.7 883.3 882.6 879.1 884.7 886.1 890.5 890.6 889.0 879.1 DAY 2 16 3 16 13 23 5 1 3 2 1 26 MEAN QNH PRESSURE IN HPA 1017.9 1014.9 1017.1 1012.8 1011.0 1007.7 1005.8 1007.8 1011.5 1018.5 1020.4 1019.3 1013.7 MAX. QNH PRESSURE IN HPA 1027.1 1024.1 1026.7 1018.0 1016.2 1013.2 1010.1 1011.0 1016.4 1026.7 1027.0 1027.4 1027.4 DAY 27 1 10 12 16 1 16 16 26 19 24 28 MIN. QNH PRESSURE IN HPA 1011.3 1005.9 1008.6 1006.6 1003.9 1003.1 999.2 1005.4 1007.0 1011.9 1012.0 1010.2 999.2 DAY 2 16 3 16 13 23 5 1 3 2 1 26 MEAN QFF PRESSURE IN HPA 1017.6 1013.5 1013.7 1006.2 1001.6 997.1 994.9 997.0 1002.7 1012.3 1016.8 1018.1 1007.6 MAX. QFF PRESSURE IN HPA 1029.3 1025.9 1023.1 1013.1 1007.9 1005.5 999.3 1001.4 1008.8 1022.7 1024.7 1032.3 1032.3 DAY 27 1 22 12 16 1 16 16 26 19 24 29 MIN. QFF PRESSURE IN HPA 1009.9 1001.8 1004.1 997.4 993.4 991.4 986.7 993.6 996.5 1003.8 1006.8 1006.0 986.7 DAY 2 16 25 16 13 28 5 10 3 2 1 26 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1990 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 897.5 894.5 896.4 892.1 890.5 887.3 885.4 887.5 891.0 897.5 899.4 898.6 893.1 MAX. QFE PRESSURE IN HPA 904.9 902.7 905.0 896.7 895.4 892.1 889.1 890.2 895.1 905.2 905.2 907.0 907.0 DAY 27 8 10 12 16 1 15 4 26 19 23 28 MIN. QFE PRESSURE IN HPA 890.8 886.2 888.8 886.8 884.5 882.7 879.7 885.0 886.7 891.9 891.9 891.9 879.7 DAY 2 16 3 16 13 27 5 9 4 2 1 25 MEAN QNH PRESSURE IN HPA 1019.6 1016.4 1018.5 1013.7 1011.9 1008.3 1006.3 1008.5 1012.4 1019.7 1021.8 1020.9 1014.8 MAX. QNH PRESSURE IN HPA 1027.9 1025.4 1028.0 1018.8 1017.3 1013.7 1010.3 1011.6 1017.0 1028.2 1028.2 1030.2 1030.2 DAY 27 8 10 12 16 1 15 4 26 19 23 28 MIN. QNH PRESSURE IN HPA 1012.2 1007.1 1010.0 1007.8 1005.2 1003.2 999.9 1005.8 1007.7 1013.4 1013.4 1013.4 999.9 DAY 2 16 3 16 13 27 5 9 4 2 1 25 MEAN QFF PRESSURE IN HPA 1018.7 1014.2 1014.2 1006.4 1001.7 997.1 994.8 996.9 1002.5 1012.4 1017.2 1019.0 1007.9 MAX. QFF PRESSURE IN HPA 1029.5 1026.0 1024.7 1013.7 1008.7 1005.3 999.1 1000.9 1007.9 1023.3 1025.1 1034.2 1034.2 DAY 27 1 21 12 16 1 15 16 28 19 23 28 MIN. QFF PRESSURE IN HPA 1009.3 1002.4 1004.9 997.8 994.5 991.6 987.1 992.9 996.3 1004.6 1007.2 1010.7 987.1 DAY 2 16 25 16 13 27 5 9 4 2 1 26 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 895.7 893.0 895.0 890.9 889.2 886.2 884.2 886.3 889.5 895.6 897.5 896.8 891.7 MAX. QFE PRESSURE IN HPA 902.1 901.0 902.7 895.6 894.6 890.9 888.7 888.9 893.6 902.9 902.8 904.9 904.9 DAY 20 8 10 12 16 4 15 16 26 19 24 28 MIN. QFE PRESSURE IN HPA 888.6 884.5 887.9 885.3 883.3 881.0 878.7 883.3 885.8 890.0 890.7 888.4 878.7 DAY 2 16 25 16 13 27 5 8 4 2 1 25 MEAN QNH PRESSURE IN HPA 1017.7 1014.6 1016.9 1012.3 1010.4 1007.1 1004.9 1007.2 1010.8 1017.5 1019.7 1018.9 1013.2 MAX. QNH PRESSURE IN HPA 1024.8 1023.5 1025.4 1017.5 1016.4 1012.3 1009.9 1010.1 1015.3 1025.6 1025.5 1027.9 1027.9 DAY 20 8 10 12 16 4 15 16 26 19 24 28 MIN. QNH PRESSURE IN HPA 1009.8 1005.2 1009.0 1006.1 1003.9 1001.3 998.8 1003.9 1006.7 1011.3 1012.1 1009.6 998.8 DAY 2 16 25 16 13 27 5 8 4 2 1 25 MEAN QFF PRESSURE IN HPA 1016.3 1012.1 1012.4 1004.9 1000.4 996.0 993.5 995.6 1000.9 1010.0 1014.6 1016.5 1006.1 MAX. QFF PRESSURE IN HPA 1025.8 1022.6 1023.6 1012.4 1007.7 1003.5 998.8 1000.1 1006.5 1020.6 1021.9 1031.3 1031.3 DAY 27 8 21 12 16 1 15 15 27 19 24 28 MIN. QFF PRESSURE IN HPA 1006.6 1001.1 1002.5 995.9 993.3 989.2 985.9 991.4 995.3 1001.9 1006.4 1006.2 985.9 DAY 2 16 25 16 13 27 5 8 4 2 1 25 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 894.4 891.2 893.2 889.0 887.4 884.7 882.9 884.9 888.3 894.4 896.4 895.6 890.2 MAX. QFE PRESSURE IN HPA 902.4 899.5 900.7 894.1 892.2 889.4 887.3 887.7 892.8 901.5 902.4 903.7 903.7 DAY 26 8 10 25 17 4 15 15 26 19 23 28 MIN. QFE PRESSURE IN HPA 887.4 884.3 885.6 883.6 880.7 880.1 877.2 882.3 884.6 888.5 889.8 886.1 877.2 DAY 2 24 25 16 13 27 5 8 3 2 1 25 MEAN QNH PRESSURE IN HPA 1016.2 1012.7 1014.9 1010.2 1008.4 1005.4 1003.4 1005.6 1009.5 1016.2 1018.4 1017.5 1011.5 MAX. QNH PRESSURE IN HPA 1025.1 1021.9 1023.2 1015.9 1013.8 1010.7 1008.3 1008.8 1014.4 1024.1 1025.1 1026.5 1026.5 DAY 26 8 10 25 17 4 15 15 26 19 23 28 MIN. QNH PRESSURE IN HPA 1008.4 1005.0 1006.4 1004.2 1001.0 1000.3 997.1 1002.8 1005.3 1009.7 1011.1 1007.0 997.1 DAY 2 24 25 16 13 27 5 8 3 2 1 25 MEAN QFF PRESSURE IN HPA 1014.9 1010.4 1010.6 1003.0 998.6 994.4 992.1 994.3 999.7 1009.0 1013.6 1015.3 1004.6 MAX. QFF PRESSURE IN HPA 1025.2 1021.1 1021.5 1009.9 1005.2 1001.3 997.2 999.0 1005.7 1019.2 1021.6 1029.7 1029.7 DAY 27 8 21 12 17 4 15 15 26 19 23 28 MIN. QFF PRESSURE IN HPA 1005.8 1002.4 1000.1 994.0 990.6 988.3 984.3 990.5 994.0 1000.2 1005.9 1004.5 984.3 DAY 2 24 25 16 13 27 5 9 3 2 1 25 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1990 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 895.3 892.0 893.8 889.5 887.5 884.6 883.0 885.1 888.9 895.2 897.3 896.6 890.7 MAX. QFE PRESSURE IN HPA 903.5 899.7 900.7 895.7 892.5 889.4 887.3 888.2 893.2 902.1 903.4 904.6 904.6 DAY 26 8 10 3 17 4 15 15 26 19 23 28 MIN. QFE PRESSURE IN HPA 889.7 884.3 886.4 883.6 882.3 881.0 877.4 881.9 884.6 889.4 890.2 887.2 877.4 DAY 16 24 25 15 13 29 4 8 3 2 1 25 MEAN QNH PRESSURE IN HPA 1017.2 1013.6 1015.6 1010.8 1008.5 1005.4 1003.5 1005.9 1010.1 1017.1 1019.4 1018.6 1012.1 MAX. QNH PRESSURE IN HPA 1026.3 1022.1 1023.2 1017.7 1014.1 1010.7 1008.3 1009.3 1014.9 1024.8 1026.2 1027.5 1027.5 DAY 26 8 10 3 17 4 15 15 26 19 23 28 MIN. QNH PRESSURE IN HPA 1011.0 1005.0 1007.3 1004.2 1002.8 1001.3 997.3 1002.3 1005.3 1010.7 1011.6 1008.2 997.3 DAY 16 24 25 15 13 29 4 8 3 2 1 25 MEAN QFF PRESSURE IN HPA 1016.9 1012.1 1012.1 1004.2 999.1 994.6 992.5 995.1 1001.1 1010.8 1015.8 1017.4 1006.0 MAX. QFF PRESSURE IN HPA 1027.2 1022.1 1022.3 1011.8 1005.8 1002.5 997.2 999.9 1007.4 1020.9 1023.6 1032.1 1032.1 DAY 26 8 21 3 17 1 15 15 26 19 23 28 MIN. QFF PRESSURE IN HPA 1009.4 1002.9 1001.6 995.4 992.7 988.9 984.7 990.6 994.9 1002.3 1007.2 1006.6 984.7 DAY 2 24 25 16 13 29 4 8 3 2 1 25 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 896.2 893.1 895.1 890.9 888.8 885.6 884.0 886.2 889.9 896.0 898.1 897.1 891.8 MAX. QFE PRESSURE IN HPA 904.6 900.6 902.0 895.7 893.4 890.4 888.4 889.0 894.2 902.6 904.0 904.8 904.8 DAY 26 7 10 3 17 1 15 2 26 19 23 28 MIN. QFE PRESSURE IN HPA 890.8 886.9 889.3 885.2 883.5 881.6 878.7 883.7 885.7 890.8 891.3 886.1 878.7 DAY 17 15 25 15 12 27 4 8 3 1 1 25 MEAN QNH PRESSURE IN HPA 1018.2 1014.8 1017.0 1012.3 1010.0 1006.4 1004.7 1007.1 1011.3 1018.0 1020.4 1019.2 1013.3 MAX. QNH PRESSURE IN HPA 1027.5 1023.1 1024.6 1017.7 1015.1 1011.8 1009.6 1010.2 1016.0 1025.3 1026.9 1027.7 1027.7 DAY 26 7 10 3 17 1 15 2 26 19 23 28 MIN. QNH PRESSURE IN HPA 1012.2 1007.9 1010.6 1006.0 1004.1 1002.0 998.8 1004.3 1006.6 1012.2 1012.8 1007.0 998.8 DAY 17 15 25 15 12 27 4 8 3 1 1 25 MEAN QFF PRESSURE IN HPA 1017.3 1012.5 1012.6 1004.9 999.9 995.2 993.2 995.6 1001.4 1010.8 1015.9 1017.3 1006.4 MAX. QFF PRESSURE IN HPA 1028.8 1023.0 1023.6 1011.1 1006.3 1003.3 997.9 999.9 1007.3 1021.2 1023.4 1031.8 1031.8 DAY 26 8 21 12 17 1 15 15 26 19 23 28 MIN. QFF PRESSURE IN HPA 1009.6 1003.1 1004.6 996.1 993.3 989.7 985.9 991.6 995.2 1002.9 1007.1 1003.1 985.9 DAY 1 15 25 15 12 30 4 8 3 2 1 25 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 895.7 892.8 894.7 890.6 888.7 885.4 883.9 886.2 889.7 895.8 897.7 896.8 891.5 MAX. QFE PRESSURE IN HPA 904.2 900.6 902.0 896.8 893.3 890.4 887.4 889.1 894.0 902.8 903.6 904.4 904.4 DAY 26 7 10 3 16 1 15 3 26 18 22 28 MIN. QFE PRESSURE IN HPA 890.0 885.6 888.8 884.8 883.5 880.9 878.7 883.7 885.0 890.6 891.3 887.3 878.7 DAY 1 15 2 15 12 30 4 8 3 1 1 25 MEAN QNH PRESSURE IN HPA 1017.7 1014.4 1016.5 1012.0 1009.9 1006.2 1004.6 1007.1 1011.0 1017.8 1019.8 1018.8 1013.0 MAX. QNH PRESSURE IN HPA 1027.1 1023.1 1024.6 1018.9 1015.0 1011.8 1008.4 1010.3 1015.8 1025.5 1026.4 1027.3 1027.3 DAY 26 7 10 3 16 1 15 3 26 18 22 28 MIN. QNH PRESSURE IN HPA 1011.3 1006.4 1010.0 1005.6 1004.1 1001.2 998.8 1004.3 1005.8 1012.0 1012.8 1008.3 998.8 DAY 1 15 2 15 12 30 4 8 3 1 1 25 MEAN QFF PRESSURE IN HPA 1016.3 1011.8 1011.9 1004.5 999.8 995.1 993.2 995.6 1001.2 1010.3 1014.9 1016.4 1005.9 MAX. QFF PRESSURE IN HPA 1028.3 1022.9 1022.7 1011.4 1006.4 1003.0 996.9 999.6 1007.2 1020.2 1022.4 1030.9 1030.9 DAY 26 8 21 3 16 1 15 14 26 18 22 28 MIN. QFF PRESSURE IN HPA 1008.1 1001.0 1003.8 995.3 993.2 989.1 986.1 991.4 994.7 1002.1 1007.4 1002.7 986.1 DAY 1 15 24 15 12 30 4 8 3 2 1 25 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1991 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 10.6 11.3 16.6 23.8 28.8 33.5 34.6 32.9 29.1 22.9 17.2 14.1 22.9 MINIMUN AIR TEMPERATURE (C) 5.7 6.6 11.7 18.0 22.4 27.2 28.4 26.6 23.3 17.3 12.0 9.7 17.4 DAYS WITH MINIMUM TEMP. >=21 0 0 0 9 20 30 31 31 25 1 0 0 147 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 0 2 0 0 0 0 0 0 0 0 0 0 2 TEMPERATURE RECORDS LOWEST(C) 0.6 -1.2 6.0 11.0 17.5 21.0 25.4 22.4 14.4 12.6 7.0 0.8 -1.2 DAY 1 15 4 15 7 26 3 24 28 15 29 19 MAXIMUM AIR TEMPERATURE (C) 16.6 17.0 22.3 29.3 35.0 39.2 40.2 38.9 35.1 29.0 23.8 19.4 28.8 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 16 28 30 31 31 26 12 3 0 177 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 24.5 25.8 29.0 36.2 42.6 44.8 46.0 42.6 41.2 33.0 30.4 28.2 46.0 DAY 24 4 25 25 30 7 10 7 9 23 4 13 DIF. BETWEEN (MAX.-MIN.) (C) 10.9 10.4 10.6 11.3 12.6 12.0 11.8 12.3 11.8 11.7 11.8 9.7 11.4 MEAN DAILY TEMP. (MDT) (C) 11.1 11.8 17.0 23.7 28.7 33.2 34.3 32.7 29.2 23.2 17.9 14.6 23.1 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 3.4 99.6 238.3 365.5 411.8 363.4 248.4 69.6 11.7 4.2 1816.1 HEATING DEG. DAYS(BASE 18 0C) 214.6 176.2 61.4 3.4 0.0 0.0 0.0 0.0 0.0 0.0 36.9 132.1 624.7 DEWPOINT (MEAN C) -0.1 -3.3 4.2 1.1 3.1 1.6 6.5 3.6 1.0 1.8 -0.4 0.6 1.6 MIXING RATIO (G/KG) 4.47 3.65 6.08 4.91 5.59 5.05 7.25 6.46 4.81 5.01 4.25 4.61 5.18 VAPOUR PRESSURE (HPA) 6.39 5.22 8.63 6.98 7.91 7.13 10.17 9.09 6.84 7.15 6.10 6.59 7.35 SATURATION DEF. (HPA) 6.96 8.99 11.00 23.74 33.21 46.34 46.18 42.43 35.30 21.58 14.47 10.78 25.08 RELATIVE HUMIDITY (MEAN %) 51 41 47 26 21 14 19 18 18 26 33 44 30 RELATIVE HUMIDITY (MAX. %) 70 59 67 38 31 21 25 25 24 35 47 62 42 RELATIVE HUMIDITY (MIN. %) 31 26 28 16 13 9 14 12 13 18 21 29 19 RELATIVE HUMIDITY (MEAN% 03UTC) 65 52 58 34 28 18 22 23 21 33 39 55 37 RELATIVE HUMIDITY (MEAN% 09UTC) 34 28 35 18 14 10 16 15 14 19 23 32 22 RELATIVE HUMIDITY (MEAN% 15UTC) 46 36 41 21 17 12 16 16 17 24 33 41 27 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 43.0 4.8 60.8 3.0 0.0 0.0 0.0 0.0 0.0 2.0 0.0 7.2 120.8 DAYS WITH PRECIPITATION >=10 1 0 2 0 0 0 0 0 0 0 0 0 3 DAYS WITH PRECIPITATION >= 5 1 0 3 0 0 0 0 0 0 0 0 1 5 DAYS WITH PRECIPITATION >= 1 2 3 9 1 0 0 0 0 0 1 0 1 17 DAYS WITH PRECIPITATION 4 4 10 1 0 0 0 0 0 1 0 2 22 GREATEST DAILY PRECIPITATION 41.0 2.1 26.0 3.0 0.0 0.0 0.0 0.0 0.0 2.0 0.0 7.0 41.0 DAY 26 8 16 1 ** ** ** ** ** 6 ** 19 DAY WITH THUNDER STORM 0 0 1 0 0 0 0 0 0 1 0 0 2 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 1 1 DAYS WITH DUST 0 1 2 3 7 0 3 2 3 0 0 1 22 WIND DIRECTION (PREVAILING) 270 270 270 315 270 270 315 270 315 270 270 270 270 PREVAILING WIND SPEED(KNOTS) 10.2 12.4 10.8 11.8 8.8 9.7 10.2 9.1 9.9 7.4 7.9 10.9 9.5 PREVAILING WIND PERCENT 11.7 13.8 11.7 13.8 18.1 15.0 15.7 16.5 17.1 19.0 15.8 19.8 15.1 CALMS PERCENT OF WIND 72.2 63.4 69.4 60.0 51.6 46.3 47.6 41.1 42.5 50.8 62.1 65.7 56.0 NO. OF WIND OBSERVATION 248 224 248 240 248 240 248 248 240 248 240 248 2920 VECTOR WIND DIRECTION (MEAN) 274 291 294 310 294 316 333 327 324 320 312 275 310 VECTOR WIND MAGNITUDE(KNOTS) 1.6 2.0 1.4 2.1 2.6 2.9 3.5 3.8 3.5 2.3 1.5 2.6 2.4 WIND STEADINESES (MEAN %) 55.2 51.3 42.4 52.5 54.2 56.9 66.0 70.4 63.6 57.5 46.9 78.8 57.1 WIND SPEED (MEAN KNOTS) 2.9 3.9 3.3 4.0 4.8 5.1 5.3 5.4 5.5 4.0 3.2 3.3 4.2 FASTEST WIND DIRECTION 240 270 240 310 270 210 360 360 360 320 330 270 310 FASTEST WIND SPEED (KNOTS) 23 23 29 33 23 19 23 17 31 16 16 23 33 DAY 24 1 1 5 11 8 21 22 26 9 5 14 DAYS WITH SKY CLEAR (0-2)/8 17 12 10 20 23 29 31 30 28 27 25 9 261 DAYS WITH P.CLOUDY (3-6)/8 10 12 16 10 8 1 0 1 2 4 4 12 80 DAYS WITH CLOUDY (7-8)/8 4 4 5 0 0 0 0 0 0 0 1 10 24 DAYS WITH VISIBILITY =< 2 KM 0 0 2 1 3 0 0 0 0 0 0 0 6 DURATION OF SUNSHINE HOURS 239.0 201.9 223.5 265.6 290.2 351.2 352.2 347.7 252.1 291.7 262.7 189.6 3267.4 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1991 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 896.0 895.8 892.8 892.3 888.2 886.5 884.0 885.9 891.6 896.3 897.9 895.9 891.9 MAX. QFE PRESSURE IN HPA 905.3 908.4 900.2 898.5 895.0 892.0 889.0 889.9 899.3 900.1 903.7 902.5 908.4 DAY-HOUR 13- 6 15- 6 12-21 15- 6 9- 6 22- 6 1- 6 23- 6 28- 6 20- 6 13- 6 18- 6 MIN. QFE PRESSURE IN HPA 884.2 889.1 882.8 885.2 881.6 879.9 877.2 881.0 885.3 891.4 890.6 887.2 877.2 DAY-HOUR 26- 0 8- 0 7-12 10-12 28-15 12-12 14-15 12-15 3-12 5-12 6-12 26- 0 MEAN QNH PRESSURE IN HPA 1018.0 1017.7 1014.4 1013.9 1009.3 1007.5 1004.7 1006.7 1013.1 1018.3 1020.1 1017.8 1013.5 MAX. QNH PRESSURE IN HPA 1028.3 1031.7 1022.6 1020.8 1016.9 1013.5 1010.2 1011.2 1021.6 1022.5 1026.5 1025.2 1031.7 DAY-HOUR 13- 6 15- 6 12-21 15- 6 9- 6 22- 6 1- 6 23- 6 28- 6 20- 6 13- 6 18- 6 MIN. QNH PRESSURE IN HPA 1004.9 1010.3 1003.3 1006.0 1002.0 1000.1 997.1 1001.3 1006.1 1012.9 1012.0 1008.2 997.1 DAY-HOUR 26- 0 8- 0 7-12 10-12 28-15 12-12 14-15 12-15 3-12 5-12 6-12 26- 0 MEAN QFF PRESSURE IN HPA 1016.8 1016.2 1010.3 1006.9 1000.2 996.6 993.2 995.9 1004.0 1011.7 1015.9 1015.0 1006.9 MAX. QFF PRESSURE IN HPA 1028.8 1034.2 1021.0 1016.4 1009.6 1004.1 998.8 1001.5 1016.2 1016.2 1023.9 1025.9 1034.2 DAY-HOUR 13- 6 15- 6 18- 6 15- 3 9- 3 25- 6 2- 3 23- 3 28- 3 28- 3 29- 6 18- 3 MIN. QFF PRESSURE IN HPA 1000.7 1005.5 997.9 998.1 992.1 988.8 984.8 989.9 995.9 1005.0 1005.8 1004.4 984.8 DAY-HOUR 26- 0 4- 9 7-12 11-12 29-12 5-12 14-12 12-12 3-12 5-12 6-12 26- 0 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 895.6 895.4 892.3 892.0 888.1 886.6 884.0 885.5 891.0 895.9 897.7 895.6 891.6 MAX. QFE PRESSURE IN HPA 903.1 906.7 898.5 897.9 894.5 890.4 888.0 889.1 896.4 898.4 901.3 901.0 906.7 DAY 13 16 13 15 9 22 2 29 28 28 30 18 MIN. QFE PRESSURE IN HPA 884.2 889.1 884.5 886.5 882.6 881.1 880.1 882.4 887.0 892.1 891.8 887.2 880.1 DAY 26 8 7 11 29 13 15 13 4 5 7 26 MEAN QNH PRESSURE IN HPA 1017.5 1017.3 1013.9 1013.6 1009.3 1007.5 1004.7 1006.4 1012.5 1017.8 1019.9 1017.5 1013.2 MAX. QNH PRESSURE IN HPA 1025.9 1029.9 1020.8 1020.1 1016.3 1011.8 1009.1 1010.3 1018.4 1020.6 1023.9 1023.5 1029.9 DAY 13 16 13 15 9 22 2 29 28 28 30 18 MIN. QNH PRESSURE IN HPA 1004.9 1010.3 1005.2 1007.4 1003.1 1001.5 1000.3 1002.9 1008.0 1013.7 1013.3 1008.2 1000.3 DAY 26 8 7 11 29 13 15 13 4 5 7 26 MEAN QFF PRESSURE IN HPA 1016.2 1015.7 1009.7 1006.6 1000.3 996.6 993.3 995.6 1003.2 1011.1 1015.4 1014.4 1006.5 MAX. QFF PRESSURE IN HPA 1026.1 1032.2 1019.1 1015.8 1009.0 1002.7 998.2 1000.6 1013.1 1014.3 1021.4 1024.1 1032.2 DAY 13 16 13 15 9 22 2 29 28 28 30 18 MIN. QFF PRESSURE IN HPA 1000.7 1006.3 999.2 999.1 993.0 989.9 987.9 990.7 997.2 1006.0 1006.5 1004.4 987.9 DAY 26 4 7 11 29 13 15 13 4 5 7 26 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 896.2 895.9 893.1 893.1 889.0 887.5 884.8 886.6 892.3 897.0 898.5 896.2 892.5 MAX. QFE PRESSURE IN HPA 903.9 906.7 899.1 897.9 894.5 891.3 888.2 889.5 898.6 899.2 902.2 901.8 906.7 DAY 13 15 13 15 9 24 2 23 28 20 13 18 MIN. QFE PRESSURE IN HPA 885.1 889.7 886.3 888.4 884.7 882.1 880.9 883.5 887.8 893.1 892.7 888.7 880.9 DAY 26 8 1 10 23 13 15 12 3 5 6 26 MEAN QNH PRESSURE IN HPA 1018.2 1017.9 1014.8 1014.7 1010.3 1008.5 1005.6 1007.5 1013.9 1019.1 1020.7 1018.3 1014.1 MAX. QNH PRESSURE IN HPA 1026.7 1029.9 1021.4 1020.1 1016.3 1012.8 1009.3 1010.8 1020.9 1021.5 1024.9 1024.4 1029.9 DAY 13 15 13 15 9 24 2 23 28 20 13 18 MIN. QNH PRESSURE IN HPA 1005.9 1011.0 1007.2 1009.6 1005.4 1002.6 1001.2 1004.1 1008.9 1014.8 1014.3 1009.9 1001.2 DAY 26 8 1 10 23 13 15 12 3 5 6 26 MEAN QFF PRESSURE IN HPA 1017.7 1016.9 1011.2 1008.3 1001.6 998.1 994.5 997.3 1005.3 1013.3 1017.4 1016.0 1008.1 MAX. QFF PRESSURE IN HPA 1027.8 1033.4 1020.8 1016.4 1009.6 1003.7 998.8 1001.5 1016.2 1016.2 1023.3 1025.9 1033.4 DAY 13 15 13 15 9 26 2 23 28 28 29 18 MIN. QFF PRESSURE IN HPA 1002.6 1006.2 1003.1 1001.9 995.1 991.3 988.8 993.5 999.4 1007.8 1009.4 1007.4 988.8 DAY 26 28 7 10 23 13 15 13 4 5 6 26 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1991 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 897.4 897.2 894.2 893.9 889.6 887.9 885.4 887.1 893.1 897.8 899.5 897.5 893.4 MAX. QFE PRESSURE IN HPA 905.3 908.4 900.1 898.5 895.0 892.0 889.0 889.9 899.3 900.1 903.7 902.5 908.4 DAY 13 15 18 15 9 22 1 23 28 20 13 18 MIN. QFE PRESSURE IN HPA 887.6 890.6 887.3 888.1 884.5 882.4 880.6 883.0 888.6 894.2 893.5 892.1 880.6 DAY 26 8 7 10 23 12 14 12 8 5 6 26 MEAN QNH PRESSURE IN HPA 1019.6 1019.4 1016.0 1015.6 1010.9 1009.0 1006.2 1008.1 1014.7 1020.0 1021.9 1019.7 1015.1 MAX. QNH PRESSURE IN HPA 1028.3 1031.7 1022.5 1020.8 1016.9 1013.5 1010.2 1011.2 1021.6 1022.5 1026.5 1025.2 1031.7 DAY 13 15 18 15 9 22 1 23 28 20 13 18 MIN. QNH PRESSURE IN HPA 1008.7 1012.0 1008.3 1009.2 1005.2 1002.9 1000.9 1003.6 1009.8 1016.0 1015.2 1013.7 1000.9 DAY 26 8 7 10 23 12 14 12 8 5 6 26 MEAN QFF PRESSURE IN HPA 1018.4 1017.9 1011.9 1008.5 1001.7 997.9 994.5 997.0 1005.3 1013.3 1017.8 1016.9 1008.4 MAX. QFF PRESSURE IN HPA 1028.8 1034.2 1021.0 1016.0 1009.5 1004.1 998.7 1001.2 1015.9 1015.9 1023.9 1025.0 1034.2 DAY 13 15 18 15 9 25 5 23 28 18 29 18 MIN. QFF PRESSURE IN HPA 1004.5 1008.6 1003.6 1001.1 994.4 991.2 989.1 992.2 998.8 1008.4 1009.2 1009.6 989.1 DAY 26 4 7 10 23 12 14 12 8 5 6 15 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 895.8 895.9 892.8 892.8 888.5 886.9 884.4 885.9 891.7 896.1 897.7 895.8 892.0 MAX. QFE PRESSURE IN HPA 903.2 907.1 898.6 898.0 893.8 890.9 888.0 888.9 897.6 898.4 902.1 900.8 907.1 DAY 13 15 12 16 8 22 2 31 28 21 13 7 MIN. QFE PRESSURE IN HPA 886.3 890.0 885.2 886.6 883.6 881.6 879.4 882.3 886.8 892.8 891.6 890.6 879.4 DAY 26 4 7 10 23 12 14 12 3 5 6 22 MEAN QNH PRESSURE IN HPA 1017.8 1017.9 1014.5 1014.4 1009.6 1007.9 1005.2 1006.8 1013.2 1018.1 1019.8 1017.7 1013.6 MAX. QNH PRESSURE IN HPA 1026.0 1030.3 1020.9 1020.2 1015.5 1012.3 1009.1 1010.1 1019.8 1020.6 1024.8 1023.3 1030.3 DAY 13 15 12 16 8 22 2 31 28 21 13 7 MIN. QNH PRESSURE IN HPA 1007.2 1011.3 1006.0 1007.6 1004.2 1002.0 999.6 1002.8 1007.8 1014.4 1013.1 1012.0 999.6 DAY 26 4 7 10 23 12 14 12 3 5 6 22 MEAN QFF PRESSURE IN HPA 1016.1 1016.2 1010.1 1007.3 1000.4 996.8 993.5 995.8 1003.8 1011.1 1015.2 1014.6 1006.7 MAX. QFF PRESSURE IN HPA 1026.4 1032.7 1018.6 1015.3 1008.3 1002.8 998.5 999.9 1013.9 1013.6 1020.9 1022.2 1032.7 DAY 13 15 12 16 8 21 2 31 28 14 24 18 MIN. QFF PRESSURE IN HPA 1002.7 1005.5 1000.7 999.2 993.7 990.4 987.6 991.2 997.5 1006.1 1006.5 1008.0 987.6 DAY 26 4 7 10 23 5 14 12 8 5 6 1 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 894.9 894.7 891.3 891.0 886.8 885.4 883.0 884.6 890.3 894.8 896.4 894.6 890.7 MAX. QFE PRESSURE IN HPA 902.5 906.1 897.9 895.8 893.2 889.5 887.0 887.8 896.2 897.2 900.8 900.3 906.1 DAY 13 15 29 15 8 21 1 30 28 21 13 7 MIN. QFE PRESSURE IN HPA 886.0 889.7 882.8 885.2 882.0 879.9 877.3 881.1 885.3 891.4 890.6 888.8 877.3 DAY 26 7 7 10 28 12 14 12 3 5 6 22 MEAN QNH PRESSURE IN HPA 1016.8 1016.5 1012.8 1012.4 1007.8 1006.3 1003.5 1005.4 1011.7 1016.7 1018.4 1016.4 1012.1 MAX. QNH PRESSURE IN HPA 1025.2 1029.2 1020.1 1017.8 1014.9 1010.8 1008.0 1008.9 1018.2 1019.3 1023.3 1022.8 1029.2 DAY 13 15 29 15 8 21 1 30 28 21 13 7 MIN. QNH PRESSURE IN HPA 1006.9 1011.0 1003.3 1006.0 1002.5 1000.1 997.2 1001.5 1006.1 1012.9 1012.0 1010.0 997.2 DAY 26 7 7 10 28 12 14 12 3 5 6 22 MEAN QFF PRESSURE IN HPA 1015.4 1014.9 1008.6 1005.5 998.8 995.4 992.0 994.5 1002.4 1010.0 1014.0 1013.3 1005.4 MAX. QFF PRESSURE IN HPA 1025.5 1031.7 1017.3 1013.1 1007.7 1001.6 996.9 999.1 1012.6 1012.6 1019.8 1021.4 1031.7 DAY 13 15 12 16 8 21 2 30 28 21 24 17 MIN. QFF PRESSURE IN HPA 1003.2 1005.7 997.9 998.1 992.1 988.8 984.8 989.9 995.9 1005.0 1005.8 1006.2 984.8 DAY 26 4 7 11 29 5 14 12 3 5 6 1 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1991 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 895.9 895.4 892.1 891.4 886.9 885.3 882.9 884.9 890.9 895.6 897.4 895.6 891.2 MAX. QFE PRESSURE IN HPA 903.7 906.7 898.7 896.2 892.8 889.6 887.0 888.6 896.8 898.2 901.8 901.4 906.7 DAY 12 15 12 14 8 22 1 31 28 20 13 17 MIN. QFE PRESSURE IN HPA 886.9 890.4 885.8 885.3 881.6 880.7 877.2 881.0 886.0 892.9 891.4 888.7 877.2 DAY 25 8 7 11 28 12 14 12 3 4 6 22 MEAN QNH PRESSURE IN HPA 1017.9 1017.3 1013.7 1012.8 1007.9 1006.1 1003.5 1005.7 1012.3 1017.6 1019.5 1017.5 1012.6 MAX. QNH PRESSURE IN HPA 1026.5 1029.9 1021.0 1018.2 1014.4 1010.9 1008.0 1009.8 1018.9 1020.4 1024.4 1024.0 1029.9 DAY 12 15 12 14 8 22 1 31 28 20 13 17 MIN. QNH PRESSURE IN HPA 1007.9 1011.8 1006.7 1006.1 1002.0 1001.0 997.1 1001.3 1006.9 1014.5 1012.9 1009.9 997.1 DAY 25 8 7 11 28 12 14 12 3 4 6 22 MEAN QFF PRESSURE IN HPA 1017.3 1016.3 1010.0 1006.3 999.2 995.6 992.3 995.4 1003.8 1011.7 1016.1 1015.3 1006.6 MAX. QFF PRESSURE IN HPA 1028.0 1033.2 1020.1 1013.8 1007.7 1001.7 997.3 1000.5 1014.1 1014.6 1021.6 1023.7 1033.2 DAY 12 15 12 15 8 21 2 31 28 27 24 17 MIN. QFF PRESSURE IN HPA 1004.4 1006.9 1002.6 998.6 992.4 990.0 985.3 990.7 997.2 1007.6 1007.9 1008.1 985.3 DAY 25 4 7 11 28 12 14 12 3 4 6 1 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 896.5 896.0 893.3 892.4 888.2 886.4 884.0 886.3 892.1 896.6 898.2 896.1 892.2 MAX. QFE PRESSURE IN HPA 904.4 907.0 899.9 897.5 894.5 890.8 887.7 889.9 898.4 899.0 902.4 902.0 907.0 DAY 12 15 12 14 8 21 1 31 28 27 13 17 MIN. QFE PRESSURE IN HPA 887.5 890.2 887.9 886.2 883.0 881.1 879.0 883.0 887.8 893.3 892.1 889.9 879.0 DAY 25 7 7 11 28 12 14 12 3 4 6 22 MEAN QNH PRESSURE IN HPA 1018.6 1018.0 1015.0 1013.9 1009.4 1007.4 1004.7 1007.2 1013.6 1018.7 1020.4 1018.1 1013.7 MAX. QNH PRESSURE IN HPA 1027.3 1030.2 1022.3 1019.6 1016.3 1012.2 1008.8 1011.2 1020.6 1021.3 1025.1 1024.6 1030.2 DAY 12 15 12 14 8 21 1 31 28 27 13 17 MIN. QNH PRESSURE IN HPA 1008.6 1011.6 1009.0 1007.1 1003.6 1001.5 999.1 1003.6 1008.9 1015.0 1013.7 1011.2 999.1 DAY 25 7 7 11 28 12 14 12 3 4 6 22 MEAN QFF PRESSURE IN HPA 1017.3 1016.4 1010.9 1006.7 1000.0 996.2 993.0 996.2 1004.3 1011.9 1016.4 1015.4 1007.0 MAX. QFF PRESSURE IN HPA 1027.8 1032.5 1020.9 1015.0 1009.2 1002.8 997.4 1000.5 1015.1 1014.7 1022.3 1024.2 1032.5 DAY 12 15 12 14 8 21 1 31 28 27 24 17 MIN. QFF PRESSURE IN HPA 1004.2 1006.1 1004.2 999.0 993.4 989.3 986.5 991.8 998.3 1007.2 1007.4 1008.4 986.5 DAY 25 4 6 11 28 12 14 12 8 4 6 1 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 896.0 895.6 893.1 892.2 888.2 886.2 883.9 886.1 891.7 896.3 897.9 895.8 891.9 MAX. QFE PRESSURE IN HPA 904.4 907.0 900.2 898.2 894.5 891.2 887.7 889.7 897.6 898.8 901.8 901.3 907.0 DAY 12 15 12 15 8 22 1 31 30 20 13 17 MIN. QFE PRESSURE IN HPA 886.0 889.9 887.5 886.2 883.0 881.3 879.5 883.0 887.0 893.3 892.6 889.9 879.5 DAY 25 28 6 12 28 12 14 12 3 3 5 25 MEAN QNH PRESSURE IN HPA 1017.9 1017.5 1014.8 1013.8 1009.3 1007.1 1004.6 1007.0 1013.2 1018.3 1020.1 1017.8 1013.4 MAX. QNH PRESSURE IN HPA 1027.3 1030.2 1022.6 1020.4 1016.3 1012.7 1008.8 1011.0 1019.8 1021.1 1024.4 1023.9 1030.2 DAY 12 15 12 15 8 22 1 31 30 20 13 17 MIN. QNH PRESSURE IN HPA 1006.9 1011.2 1008.6 1007.1 1003.6 1001.7 999.7 1003.6 1008.0 1015.0 1014.2 1011.2 999.7 DAY 25 28 6 12 28 12 14 12 3 3 5 25 MEAN QFF PRESSURE IN HPA 1016.2 1015.7 1010.4 1006.5 999.9 996.0 993.0 996.0 1003.8 1011.3 1015.5 1014.6 1006.6 MAX. QFF PRESSURE IN HPA 1027.3 1032.3 1021.0 1015.5 1008.9 1002.4 997.9 1000.9 1013.6 1014.0 1021.2 1023.5 1032.3 DAY 12 15 12 14 8 25 1 31 30 27 24 17 MIN. QFF PRESSURE IN HPA 1002.9 1006.0 1002.6 998.6 992.8 989.7 987.1 991.6 997.4 1006.7 1007.4 1007.6 987.1 DAY 25 28 6 10 18 12 14 12 3 4 5 1 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1992 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 9.3 13.1 14.8 22.0 26.3 33.8 33.7 31.7 27.3 22.8 18.5 13.3 22.2 MINIMUN AIR TEMPERATURE (C) 4.7 7.5 9.5 15.8 20.3 27.3 27.6 26.3 20.9 17.2 12.8 8.3 16.5 DAYS WITH MINIMUM TEMP. >=21 0 0 0 5 14 30 31 31 15 0 0 0 126 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 9 1 0 0 0 0 0 0 0 0 0 0 10 TEMPERATURE RECORDS LOWEST(C) -3.6 -1.6 1.0 5.4 13.0 24.0 25.0 21.6 17.0 13.0 5.6 3.2 -3.6 DAY 30 17 13 8 3 1 26 19 12 19 29 11 MAXIMUM AIR TEMPERATURE (C) 14.7 19.7 20.5 28.2 32.3 40.0 39.2 37.1 33.4 29.5 25.4 19.2 28.3 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 15 22 30 31 31 26 14 0 0 169 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 23.0 28.2 27.5 33.6 37.8 43.4 42.5 42.0 38.2 32.6 29.5 24.6 43.4 DAY 2 24 18 15 20 25 6 11 26 14 25 18 DIF. BETWEEN (MAX.-MIN.) (C) 10.0 12.2 11.0 12.4 12.0 12.7 11.6 10.8 12.5 12.3 12.6 10.9 11.8 MEAN DAILY TEMP. (MDT) (C) 9.7 13.6 15.0 22.0 26.3 33.7 33.4 31.7 27.1 23.4 19.1 13.7 22.4 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.3 2.5 75.8 167.9 379.9 384.7 331.2 184.2 77.7 4.8 0.0 1609.1 HEATING DEG. DAYS(BASE 18 0C) 257.6 136.8 109.9 15.9 0.3 0.0 0.0 0.0 0.0 0.0 21.2 135.1 676.8 DEWPOINT (MEAN C) -1.8 -3.7 -2.3 2.9 5.9 7.1 3.4 2.4 0.6 -0.0 -4.5 -0.0 0.8 MIXING RATIO (G/KG) 4.00 3.51 3.95 5.46 6.79 7.48 5.94 5.58 4.78 4.54 3.19 4.53 4.98 VAPOUR PRESSURE (HPA) 5.71 5.00 5.62 7.75 9.61 10.52 8.35 7.87 6.79 6.48 4.58 6.47 7.06 SATURATION DEF. (HPA) 6.86 10.94 12.18 20.20 26.07 43.65 45.16 40.21 30.71 22.25 17.55 9.41 23.77 RELATIVE HUMIDITY (MEAN %) 50 34 34 33 30 21 16 17 19 24 22 45 29 RELATIVE HUMIDITY (MAX. %) 72 51 51 49 45 27 24 23 26 36 32 65 42 RELATIVE HUMIDITY (MIN. %) 28 20 21 19 19 14 11 12 12 14 14 28 18 RELATIVE HUMIDITY (MEAN% 03UTC) 62 43 44 43 37 25 19 20 24 31 24 52 35 RELATIVE HUMIDITY (MEAN% 09UTC) 35 22 24 21 24 17 15 13 13 15 15 34 21 RELATIVE HUMIDITY (MEAN% 15UTC) 45 30 30 27 24 18 14 15 16 22 24 42 26 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 6.4 0.2 4.6 28.0 32.2 0.0 0.0 0.0 0.0 4.2 0.0 12.3 87.9 DAYS WITH PRECIPITATION >=10 0 0 0 1 2 0 0 0 0 0 0 0 3 DAYS WITH PRECIPITATION >= 5 0 0 0 2 3 0 0 0 0 0 0 1 6 DAYS WITH PRECIPITATION >= 1 2 0 2 4 3 0 0 0 0 2 0 4 17 DAYS WITH PRECIPITATION 6 1 2 7 4 0 0 0 0 2 0 6 28 GREATEST DAILY PRECIPITATION 3.0 0.2 3.6 19.0 13.0 0.0 0.0 0.0 0.0 3.0 0.0 7.0 19.0 DAY 6 11 21 8 2 ** ** ** ** 7 ** 23 DAY WITH THUNDER STORM 0 0 0 0 1 0 0 0 0 1 0 0 2 DAYS WITH SNOW OR SLEET 3 0 0 0 0 0 0 0 0 0 0 0 3 DAYS WITH DUST 3 3 2 1 4 3 4 2 3 0 1 0 26 WIND DIRECTION (PREVAILING) 270 270 270 270 315 270 360 360 315 270 270 270 270 PREVAILING WIND SPEED(KNOTS) 9.9 7.8 8.5 7.8 8.5 7.2 7.5 7.1 7.4 7.8 6.8 9.0 7.5 PREVAILING WIND PERCENT 8.9 16.8 12.5 20.8 15.3 20.0 17.3 19.0 12.9 13.3 14.6 7.7 13.7 CALMS PERCENT OF WIND 71.0 55.2 58.5 43.8 55.2 38.3 45.2 46.4 57.9 64.9 66.7 81.5 57.1 NO. OF WIND OBSERVATION 248 232 248 240 248 240 248 248 240 248 240 248 2928 VECTOR WIND DIRECTION (MEAN) 271 295 281 286 310 311 334 340 326 310 301 272 307 VECTOR WIND MAGNITUDE(KNOTS) 1.2 1.9 1.5 2.5 2.0 2.1 2.4 2.4 2.0 1.4 1.3 0.8 1.7 WIND STEADINESES (MEAN %) 46.2 55.9 45.5 58.1 60.6 52.5 68.6 68.6 66.7 58.3 59.1 53.3 54.8 WIND SPEED (MEAN KNOTS) 2.6 3.4 3.3 4.3 3.3 4.0 3.5 3.5 3.0 2.4 2.2 1.5 3.1 FASTEST WIND DIRECTION 220 360 280 270 300 270 360 360 300 310 270 270 220 FASTEST WIND SPEED (KNOTS) 29 19 17 23 25 17 17 17 16 14 16 19 29 DAY 3 16 6 16 23 26 1 27 12 6 26 30 DAYS WITH SKY CLEAR (0-2)/8 14 19 13 10 12 25 26 24 30 28 18 17 236 DAYS WITH P.CLOUDY (3-6)/8 14 10 10 16 15 4 5 7 0 3 12 9 105 DAYS WITH CLOUDY (7-8)/8 3 0 8 4 4 1 0 0 0 0 0 5 25 DAYS WITH VISIBILITY =< 2 KM 2 0 1 0 0 0 0 0 0 0 0 0 3 DURATION OF SUNSHINE HOURS 220.6 241.4 222.0 242.4 276.7 319.7 336.5 327.7 317.4 295.2 246.4 205.0 3251.0 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1992 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 895.7 892.7 893.1 891.3 891.7 886.1 884.8 887.5 891.9 895.1 897.5 896.1 892.0 MAX. QFE PRESSURE IN HPA 908.5 900.6 905.1 898.3 897.5 893.2 889.5 893.7 896.8 900.5 904.0 903.5 908.5 DAY-HOUR 10- 6 16-18 13- 6 12- 6 29- 6 11- 6 6- 3 31-18 1- 6 30- 6 4- 6 11- 6 MIN. QFE PRESSURE IN HPA 887.9 885.2 884.5 883.4 886.1 876.5 881.0 881.0 887.5 888.4 887.9 888.7 876.5 DAY-HOUR 25-12 11-12 31-12 19- 0 4-15 27-12 18-15 1-12 8-12 7-12 26-12 4-12 MEAN QNH PRESSURE IN HPA 1017.6 1014.3 1014.8 1012.8 1013.2 1007.0 1005.6 1008.6 1013.4 1016.9 1019.7 1018.1 1013.5 MAX. QNH PRESSURE IN HPA 1031.8 1023.1 1028.1 1020.5 1019.6 1014.9 1010.8 1015.4 1018.9 1023.0 1026.9 1026.3 1031.8 DAY-HOUR 10- 6 16-18 13- 6 12- 6 29- 6 11- 6 6- 3 31-18 1- 6 30- 6 4- 6 11- 6 MIN. QNH PRESSURE IN HPA 1009.0 1006.0 1005.2 1004.0 1007.0 996.3 1001.3 1001.3 1008.6 1009.6 1009.0 1009.9 996.3 DAY-HOUR 25-12 11-12 31-12 19- 0 4-15 27-12 18-15 1-12 8-12 7-12 26-12 4-12 MEAN QFF PRESSURE IN HPA 1017.0 1011.9 1011.7 1006.5 1005.0 995.8 994.5 998.3 1005.0 1010.4 1015.1 1015.6 1007.2 MAX. QFF PRESSURE IN HPA 1033.8 1024.2 1028.6 1016.2 1013.6 1004.1 1000.1 1007.1 1011.6 1017.4 1022.4 1026.3 1033.8 DAY-HOUR 10- 6 16-21 13- 6 12- 6 3- 6 2- 6 16- 3 31-18 2- 3 30- 3 18- 6 11- 3 MIN. QFF PRESSURE IN HPA 1006.3 1002.5 999.0 996.4 998.3 983.6 990.1 990.0 999.2 1002.3 1002.9 1004.3 983.6 DAY-HOUR 31- 0 11-12 31-12 18-12 20-15 27-12 24-15 1-12 18-12 7-12 26-12 4-12 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 895.1 892.2 892.6 890.9 891.4 885.8 884.6 887.0 891.6 894.6 897.0 895.8 891.6 MAX. QFE PRESSURE IN HPA 905.6 899.4 902.3 895.8 895.8 891.0 888.0 891.0 895.5 899.0 901.6 901.3 905.6 DAY 10 17 13 12 29 7 6 16 2 30 5 11 MIN. QFE PRESSURE IN HPA 888.0 888.1 886.0 883.4 886.1 878.2 881.9 882.4 888.4 890.0 891.0 891.7 878.2 DAY 31 21 31 19 5 28 19 2 18 7 26 4 MEAN QNH PRESSURE IN HPA 1017.0 1013.8 1014.2 1012.4 1012.9 1006.7 1005.3 1008.0 1013.1 1016.4 1019.1 1017.8 1013.0 MAX. QNH PRESSURE IN HPA 1028.6 1021.8 1025.0 1017.8 1017.8 1012.4 1009.1 1012.4 1017.4 1021.3 1024.2 1023.9 1028.6 DAY 10 17 13 12 29 7 6 16 2 30 5 11 MIN. QNH PRESSURE IN HPA 1009.1 1009.2 1006.9 1004.0 1007.0 998.2 1002.3 1002.9 1009.6 1011.3 1012.4 1013.2 998.2 DAY 31 21 31 19 5 28 19 2 18 7 26 4 MEAN QFF PRESSURE IN HPA 1016.1 1011.0 1011.0 1006.0 1004.8 995.6 994.3 997.6 1004.7 1009.6 1014.2 1014.9 1006.7 MAX. QFF PRESSURE IN HPA 1030.6 1023.4 1026.3 1013.0 1011.7 1002.3 998.2 1003.2 1009.9 1015.1 1020.3 1024.0 1030.6 DAY 10 17 13 21 3 2 16 16 2 30 19 11 MIN. QFF PRESSURE IN HPA 1006.3 1005.2 999.7 996.5 998.9 985.8 991.1 991.2 1000.5 1004.1 1005.9 1008.6 985.8 DAY 31 21 31 19 21 27 19 2 19 7 26 4 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 895.9 893.1 893.6 892.0 892.6 887.2 885.8 888.3 892.8 895.6 898.1 896.5 892.6 MAX. QFE PRESSURE IN HPA 906.6 899.1 903.6 897.5 896.7 892.2 889.5 892.2 896.4 900.2 903.0 902.5 906.6 DAY 10 17 13 12 29 11 6 16 2 30 4 11 MIN. QFE PRESSURE IN HPA 889.0 888.6 886.0 885.2 888.5 879.4 883.0 883.6 888.9 891.0 891.0 891.0 879.4 DAY 31 11 31 19 5 27 19 2 18 7 26 4 MEAN QNH PRESSURE IN HPA 1017.8 1014.8 1015.3 1013.5 1014.2 1008.2 1006.7 1009.5 1014.4 1017.6 1020.3 1018.5 1014.2 MAX. QNH PRESSURE IN HPA 1029.7 1021.4 1026.4 1019.6 1018.8 1013.8 1010.8 1013.8 1018.4 1022.6 1025.7 1025.2 1029.7 DAY 10 17 13 12 29 11 6 16 2 30 4 11 MIN. QNH PRESSURE IN HPA 1010.2 1009.8 1006.9 1006.0 1009.7 999.6 1003.6 1004.2 1010.1 1012.4 1012.4 1012.4 999.6 DAY 31 11 31 19 5 27 19 2 18 7 26 4 MEAN QFF PRESSURE IN HPA 1017.9 1012.9 1012.8 1007.8 1006.4 997.4 995.9 999.6 1006.7 1011.8 1016.6 1016.7 1008.5 MAX. QFF PRESSURE IN HPA 1032.4 1023.9 1028.5 1016.0 1013.0 1003.7 1000.1 1005.3 1011.6 1017.4 1021.5 1026.3 1032.4 DAY 10 17 13 12 3 2 16 16 2 30 18 11 MIN. QFF PRESSURE IN HPA 1007.8 1006.3 1000.5 999.3 1000.6 987.6 993.1 993.0 1001.9 1005.2 1007.2 1008.6 987.6 DAY 3 5 31 19 21 27 23 2 18 6 26 4 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1992 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 897.4 894.4 895.0 892.9 893.1 887.8 886.0 888.8 893.4 896.7 899.2 897.8 893.5 MAX. QFE PRESSURE IN HPA 908.5 900.4 905.1 898.3 897.5 893.2 889.5 893.6 896.8 900.5 904.0 903.5 908.5 DAY 10 16 13 12 29 11 6 31 1 30 4 11 MIN. QFE PRESSURE IN HPA 891.7 889.3 887.3 886.1 890.4 879.3 882.9 884.0 889.5 891.5 891.9 892.2 879.3 DAY 1 11 31 19 21 27 19 2 18 7 26 4 MEAN QNH PRESSURE IN HPA 1019.5 1016.2 1016.9 1014.5 1014.8 1008.9 1006.9 1010.0 1015.1 1018.7 1021.5 1020.0 1015.2 MAX. QNH PRESSURE IN HPA 1031.8 1022.9 1028.1 1020.5 1019.6 1014.9 1010.8 1015.3 1018.9 1023.0 1026.9 1026.3 1031.8 DAY 10 16 13 12 29 11 6 31 1 30 4 11 MIN. QNH PRESSURE IN HPA 1013.2 1010.6 1008.3 1007.0 1011.8 999.5 1003.5 1004.7 1010.8 1013.0 1013.4 1013.8 999.5 DAY 1 11 31 19 21 27 19 2 18 7 26 4 MEAN QFF PRESSURE IN HPA 1019.0 1013.9 1013.8 1008.2 1006.5 997.5 995.6 999.6 1006.4 1012.1 1016.9 1017.6 1008.9 MAX. QFF PRESSURE IN HPA 1033.8 1023.0 1028.6 1016.2 1013.6 1004.1 1000.0 1006.5 1011.0 1016.6 1022.4 1025.9 1033.8 DAY 10 13 13 12 3 2 16 31 1 30 18 11 MIN. QFF PRESSURE IN HPA 1009.5 1006.3 1002.1 999.9 1001.6 986.8 992.3 993.0 1001.1 1005.6 1007.8 1009.6 986.8 DAY 3 25 31 19 21 27 19 2 18 6 26 4 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 895.6 893.0 893.6 891.5 891.9 886.7 885.0 887.7 891.9 894.9 897.2 895.9 892.1 MAX. QFE PRESSURE IN HPA 906.2 899.3 903.1 897.2 896.5 892.1 888.5 892.5 895.5 899.0 902.5 902.3 906.2 DAY 10 16 13 12 29 11 6 31 2 30 4 29 MIN. QFE PRESSURE IN HPA 889.3 886.8 886.4 886.4 889.2 878.3 882.1 883.0 888.0 889.9 889.1 890.5 878.3 DAY 23 11 31 19 9 27 19 1 18 7 26 4 MEAN QNH PRESSURE IN HPA 1017.5 1014.7 1015.4 1013.0 1013.5 1007.7 1005.8 1008.8 1013.4 1016.8 1019.3 1017.8 1013.6 MAX. QNH PRESSURE IN HPA 1029.3 1021.6 1025.9 1019.3 1018.5 1013.7 1009.7 1014.1 1017.4 1021.3 1025.2 1025.0 1029.3 DAY 10 16 13 12 29 11 6 31 2 30 4 29 MIN. QNH PRESSURE IN HPA 1010.6 1007.8 1007.3 1007.3 1010.4 998.3 1002.6 1003.6 1009.1 1011.2 1010.3 1011.9 998.3 DAY 23 11 31 19 9 27 19 1 18 7 26 4 MEAN QFF PRESSURE IN HPA 1016.6 1012.0 1012.0 1006.5 1005.1 996.3 994.4 998.4 1004.8 1009.8 1014.1 1014.9 1007.1 MAX. QFF PRESSURE IN HPA 1030.6 1021.2 1026.2 1014.4 1011.8 1002.8 998.5 1005.2 1009.5 1014.8 1019.7 1024.3 1030.6 DAY 10 13 12 12 6 2 2 31 2 30 18 29 MIN. QFF PRESSURE IN HPA 1007.9 1003.8 1001.1 999.1 1000.1 985.4 990.8 992.4 999.9 1003.6 1003.7 1006.3 985.4 DAY 3 11 31 18 20 27 21 1 18 7 26 4 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 894.4 891.3 891.8 889.6 890.3 885.0 883.8 886.2 890.4 893.7 896.2 894.8 890.6 MAX. QFE PRESSURE IN HPA 904.7 897.8 901.5 895.4 894.8 890.3 887.0 891.4 893.9 897.5 901.0 900.5 904.7 DAY 10 16 12 12 28 11 6 31 1 29 4 11 MIN. QFE PRESSURE IN HPA 887.9 885.2 884.5 884.2 887.1 876.5 881.1 881.0 887.5 888.4 887.9 888.7 876.5 DAY 25 11 31 18 4 27 19 1 8 7 26 4 MEAN QNH PRESSURE IN HPA 1016.2 1012.7 1013.3 1010.9 1011.6 1005.8 1004.4 1007.1 1011.8 1015.4 1018.2 1016.7 1012.0 MAX. QNH PRESSURE IN HPA 1027.6 1020.0 1024.1 1017.3 1016.7 1011.7 1008.0 1012.9 1015.7 1019.6 1023.5 1023.0 1027.6 DAY 10 16 12 12 28 11 6 31 1 29 4 11 MIN. QNH PRESSURE IN HPA 1009.0 1006.0 1005.2 1004.9 1008.1 996.3 1001.5 1001.3 1008.6 1009.6 1009.0 1009.9 996.3 DAY 25 11 31 18 4 27 19 1 8 7 26 4 MEAN QFF PRESSURE IN HPA 1015.3 1010.0 1010.0 1004.5 1003.5 994.5 993.4 996.7 1003.3 1008.7 1013.4 1013.9 1005.6 MAX. QFF PRESSURE IN HPA 1029.7 1020.1 1025.1 1012.4 1009.5 1001.3 996.8 1004.1 1007.7 1013.3 1018.5 1023.0 1029.7 DAY 10 16 12 20 6 2 2 31 1 30 4 29 MIN. QFF PRESSURE IN HPA 1006.5 1002.5 999.0 996.4 998.6 983.6 990.6 990.0 999.2 1002.3 1002.9 1004.3 983.6 DAY 23 11 31 18 20 27 23 1 18 7 26 4 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1992 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 895.5 892.0 892.2 890.2 890.5 884.8 883.7 886.5 891.0 894.5 897.3 895.9 891.2 MAX. QFE PRESSURE IN HPA 905.7 899.1 903.0 895.5 895.3 890.1 887.0 892.2 894.5 898.5 902.2 901.5 905.7 DAY 10 16 12 12 28 1 6 31 1 29 4 11 MIN. QFE PRESSURE IN HPA 889.1 885.7 884.7 884.3 886.1 876.9 881.0 881.3 888.0 889.5 890.1 890.6 876.9 DAY 23 11 24 18 4 27 18 1 8 6 26 4 MEAN QNH PRESSURE IN HPA 1017.4 1013.5 1013.7 1011.5 1011.9 1005.6 1004.3 1007.4 1012.4 1016.3 1019.4 1017.8 1012.6 MAX. QNH PRESSURE IN HPA 1028.7 1021.4 1025.7 1017.4 1017.2 1011.4 1008.0 1013.8 1016.3 1020.8 1024.9 1024.1 1028.7 DAY 10 16 12 12 28 1 6 31 1 29 4 11 MIN. QNH PRESSURE IN HPA 1010.3 1006.6 1005.4 1005.0 1007.0 996.8 1001.3 1001.7 1009.1 1010.8 1011.4 1012.0 996.8 DAY 23 11 24 18 4 27 18 1 8 6 26 4 MEAN QFF PRESSURE IN HPA 1017.4 1011.6 1011.1 1005.7 1004.1 994.6 993.5 997.5 1004.6 1010.5 1015.7 1016.0 1006.9 MAX. QFF PRESSURE IN HPA 1031.6 1022.5 1027.4 1013.2 1009.8 1001.9 996.8 1005.8 1009.6 1015.3 1020.6 1024.7 1031.6 DAY 10 16 12 20 2 1 16 31 2 19 18 11 MIN. QFF PRESSURE IN HPA 1008.6 1003.9 1000.0 997.4 998.3 984.9 990.1 990.8 1000.5 1003.8 1006.1 1007.7 984.9 DAY 2 11 31 18 20 27 24 1 18 6 26 4 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 896.1 893.1 893.3 891.8 892.0 885.9 884.9 888.0 892.3 895.5 897.9 896.5 892.3 MAX. QFE PRESSURE IN HPA 906.2 900.6 903.8 896.5 895.4 891.1 887.9 893.7 896.2 899.3 902.9 902.4 906.2 DAY 10 16 12 11 2 11 5 31 1 29 4 11 MIN. QFE PRESSURE IN HPA 889.6 886.5 885.3 884.7 886.6 878.2 882.0 883.2 889.5 891.3 890.8 891.0 878.2 DAY 23 11 24 18 4 27 18 1 18 7 26 19 MEAN QNH PRESSURE IN HPA 1018.1 1014.7 1015.0 1013.3 1013.5 1006.8 1005.7 1009.1 1013.9 1017.4 1020.1 1018.5 1013.8 MAX. QNH PRESSURE IN HPA 1029.3 1023.1 1026.6 1018.5 1017.3 1012.5 1009.0 1015.4 1018.2 1021.6 1025.6 1025.1 1029.3 DAY 10 16 12 11 2 11 5 31 1 29 4 11 MIN. QNH PRESSURE IN HPA 1010.9 1007.4 1006.1 1005.4 1007.6 998.2 1002.5 1003.8 1010.8 1012.8 1012.2 1012.4 998.2 DAY 23 11 24 18 4 27 18 1 18 7 26 19 MEAN QFF PRESSURE IN HPA 1017.5 1012.4 1011.8 1006.9 1005.2 995.5 994.4 998.7 1005.3 1010.8 1015.5 1016.1 1007.5 MAX. QFF PRESSURE IN HPA 1031.8 1023.8 1027.5 1015.6 1011.5 1002.0 998.5 1007.1 1010.6 1015.5 1020.6 1025.3 1031.8 DAY 10 16 12 8 2 2 16 31 1 31 4 11 MIN. QFF PRESSURE IN HPA 1008.6 1003.9 1001.6 997.3 999.3 985.9 990.6 992.3 1000.6 1004.4 1006.3 1008.0 985.9 DAY 2 11 24 18 20 27 23 1 18 6 26 19 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 895.6 892.8 893.1 891.6 891.8 885.7 884.8 887.7 892.0 895.0 897.4 895.9 891.9 MAX. QFE PRESSURE IN HPA 905.8 900.6 903.4 896.5 896.4 890.7 887.9 893.6 896.2 899.1 902.2 901.5 905.8 DAY 10 16 12 11 28 11 5 31 1 29 4 11 MIN. QFE PRESSURE IN HPA 889.0 887.1 886.0 883.7 886.1 878.1 882.0 883.0 889.0 890.0 891.7 891.4 878.1 DAY 30 11 24 18 4 27 18 1 18 6 25 19 MEAN QNH PRESSURE IN HPA 1017.6 1014.4 1014.8 1013.1 1013.3 1006.5 1005.5 1008.8 1013.5 1016.9 1019.5 1017.9 1013.5 MAX. QNH PRESSURE IN HPA 1028.9 1023.1 1026.2 1018.5 1018.4 1012.1 1009.0 1015.3 1018.2 1021.4 1024.9 1024.1 1028.9 DAY 10 16 12 11 28 11 5 31 1 29 4 11 MIN. QNH PRESSURE IN HPA 1010.2 1008.1 1006.9 1004.3 1007.0 998.1 1002.5 1003.6 1010.2 1011.3 1013.2 1012.9 998.1 DAY 30 11 24 18 4 27 18 1 18 6 25 19 MEAN QFF PRESSURE IN HPA 1016.6 1011.7 1011.3 1006.4 1004.9 995.1 994.3 998.4 1004.8 1009.9 1014.4 1015.0 1006.9 MAX. QFF PRESSURE IN HPA 1030.6 1024.2 1027.1 1014.9 1011.0 1001.6 998.2 1007.0 1010.6 1014.7 1020.4 1023.8 1030.6 DAY 10 16 12 8 2 11 15 31 1 29 18 11 MIN. QFF PRESSURE IN HPA 1006.8 1004.4 1000.0 996.5 999.4 985.5 990.8 992.0 999.8 1003.7 1006.4 1008.4 985.5 DAY 2 11 30 18 20 27 23 2 18 6 25 19 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1993 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 8.3 13.9 16.2 24.0 29.3 33.5 33.2 31.6 29.0 21.7 17.2 11.7 22.5 MINIMUN AIR TEMPERATURE (C) 3.7 9.3 11.0 18.2 23.3 26.9 27.3 25.2 22.5 16.0 11.9 6.3 16.8 DAYS WITH MINIMUM TEMP. >=21 0 0 0 5 25 30 31 31 27 5 0 0 154 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 6 0 0 0 0 0 0 0 0 0 0 0 6 TEMPERATURE RECORDS LOWEST(C) -2.0 3.0 3.0 12.0 18.2 22.0 21.0 21.6 19.4 10.6 6.4 2.2 -2.0 DAY 16 18 24 1 11 1 12 3 25 9 16 9 MAXIMUM AIR TEMPERATURE (C) 13.6 19.2 22.3 30.0 35.5 39.3 38.5 37.4 35.3 27.8 23.9 18.3 28.4 DAYS WITH MAXIMUM TEMP. >=30 0 0 1 18 28 30 31 31 30 7 5 0 181 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 24.4 24.5 30.0 35.4 41.0 45.6 42.4 40.8 38.4 37.2 32.0 22.6 45.6 DAY 31 21 8 22 27 21 5 23 14 2 2 30 DIF. BETWEEN (MAX.-MIN.) (C) 9.9 9.9 11.3 11.8 12.2 12.4 11.2 12.2 12.8 11.8 12.0 12.0 11.6 MEAN DAILY TEMP. (MDT) (C) 8.6 14.3 16.7 24.1 29.4 33.1 32.9 31.3 28.9 21.9 17.9 12.3 22.6 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 4.7 97.9 260.6 363.8 368.6 319.2 237.7 53.2 25.0 0.0 1730.9 HEATING DEG. DAYS(BASE 18 0C) 290.9 108.0 73.3 0.0 0.0 0.0 0.0 0.0 0.0 3.1 58.6 176.4 710.2 DEWPOINT (MEAN C) -2.3 0.8 -1.8 3.2 3.3 4.2 1.4 1.6 2.9 -1.2 -1.1 -3.8 0.6 MIXING RATIO (G/KG) 3.75 4.79 4.11 5.65 5.58 6.18 4.95 5.14 5.75 4.17 4.20 3.27 4.80 VAPOUR PRESSURE (HPA) 5.37 6.83 5.86 8.02 7.92 8.71 6.99 7.27 8.14 5.97 6.01 4.70 6.82 SATURATION DEF. (HPA) 6.22 9.66 13.45 22.92 34.30 44.48 44.91 40.55 33.15 21.13 14.87 9.58 24.60 RELATIVE HUMIDITY (MEAN %) 53 44 33 29 21 18 14 16 20 23 30 35 28 RELATIVE HUMIDITY (MAX. %) 73 63 53 44 30 28 20 22 28 33 42 47 40 RELATIVE HUMIDITY (MIN. %) 36 28 18 17 13 11 9 11 14 14 20 23 18 RELATIVE HUMIDITY (MEAN% 03UTC) 67 55 41 38 27 25 18 19 25 30 36 42 35 RELATIVE HUMIDITY (MEAN% 09UTC) 41 36 21 19 15 12 11 12 17 16 20 25 20 RELATIVE HUMIDITY (MEAN% 15UTC) 49 42 33 25 17 14 11 14 19 21 30 34 26 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 17.9 29.0 1.4 4.0 0.5 0.0 0.4 0.0 0.0 0.0 0.0 0.0 53.2 DAYS WITH PRECIPITATION >=10 1 2 0 0 0 0 0 0 0 0 0 0 3 DAYS WITH PRECIPITATION >= 5 2 2 0 0 0 0 0 0 0 0 0 0 4 DAYS WITH PRECIPITATION >= 1 3 4 1 1 0 0 0 0 0 0 0 0 9 DAYS WITH PRECIPITATION 4 4 2 4 1 0 1 0 0 0 0 0 16 GREATEST DAILY PRECIPITATION 10.0 14.0 1.0 2.0 0.5 0.0 0.4 0.0 0.0 0.0 0.0 0.0 14.0 DAY 5 6 9 5 19 ** 9 ** ** ** ** ** DAY WITH THUNDER STORM 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH SNOW OR SLEET 1 0 0 0 0 0 0 0 0 0 0 0 1 DAYS WITH DUST 0 1 2 2 5 3 2 2 3 1 6 1 28 WIND DIRECTION (PREVAILING) 270 315 270 270 315 315 360 360 315 315 315 270 270 PREVAILING WIND SPEED(KNOTS) 10.7 9.9 8.9 10.5 10.2 10.5 9.2 10.4 9.5 8.9 10.1 7.8 9.5 PREVAILING WIND PERCENT 9.3 5.8 14.5 20.8 13.7 17.9 18.1 18.1 16.7 12.5 8.8 8.9 11.5 CALMS PERCENT OF WIND 78.2 75.4 56.9 47.9 52.0 34.6 50.4 50.4 47.9 62.1 70.8 80.2 58.9 NO. OF WIND OBSERVATION 248 224 248 240 248 240 248 248 240 248 240 248 2920 VECTOR WIND DIRECTION (MEAN) 307 302 301 282 310 322 334 340 322 326 311 308 317 VECTOR WIND MAGNITUDE(KNOTS) 1.1 0.8 2.2 2.9 2.5 3.9 3.1 3.3 3.1 2.0 1.3 0.9 2.2 WIND STEADINESES (MEAN %) 52.4 34.8 57.9 56.9 51.0 59.1 73.8 71.7 66.0 60.6 50.0 56.3 57.9 WIND SPEED (MEAN KNOTS) 2.1 2.3 3.8 5.1 4.9 6.6 4.2 4.6 4.7 3.3 2.6 1.6 3.8 FASTEST WIND DIRECTION 290 240 360 340 270 300 360 360 310 310 220 360 270 FASTEST WIND SPEED (KNOTS) 19 23 19 29 39 27 29 19 23 23 19 21 39 DAY 14 15 12 11 19 2 16 9 19 31 11 6 DAYS WITH SKY CLEAR (0-2)/8 17 11 13 9 25 29 28 29 30 30 24 25 270 DAYS WITH P.CLOUDY (3-6)/8 8 10 13 19 6 1 3 2 0 1 5 3 71 DAYS WITH CLOUDY (7-8)/8 6 7 5 2 0 0 0 0 0 0 1 3 24 DAYS WITH VISIBILITY =< 2 KM 0 1 1 0 0 1 0 0 0 0 0 0 3 DURATION OF SUNSHINE HOURS 191.8 176.1 206.1 255.1 334.2 350.0 361.1 356.7 320.7 311.5 259.9 250.0 3373.2 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1993 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 896.4 895.4 894.1 891.9 890.5 886.6 885.6 888.3 890.5 898.1 897.0 898.5 892.7 MAX. QFE PRESSURE IN HPA 905.1 902.6 900.5 900.2 897.3 894.2 891.0 893.0 895.3 904.3 903.3 905.5 905.5 DAY-HOUR 6- 6 8- 6 17- 6 1- 6 10- 6 23- 6 27- 6 26- 6 23- 6 17- 6 30- 6 27- 6 MIN. QFE PRESSURE IN HPA 885.2 887.0 883.2 884.2 880.5 881.7 880.7 882.7 886.0 889.0 888.8 889.5 880.5 DAY-HOUR 14-12 23-12 22-12 13- 0 29-15 3-12 14-12 12-15 3-12 3-12 14-12 5- 0 MEAN QNH PRESSURE IN HPA 1018.4 1017.4 1015.9 1013.4 1011.9 1007.5 1006.4 1009.4 1011.9 1020.3 1019.1 1020.8 1014.4 MAX. QNH PRESSURE IN HPA 1028.1 1025.3 1023.0 1022.6 1019.4 1016.0 1012.4 1014.7 1017.2 1027.2 1026.1 1028.5 1028.5 DAY-HOUR 6- 6 8- 6 17- 6 1- 6 10- 6 23- 6 27- 6 26- 6 23- 6 17- 6 30- 6 27- 6 MIN. QNH PRESSURE IN HPA 1006.0 1008.0 1003.8 1004.9 1000.8 1002.1 1001.0 1003.2 1006.9 1010.2 1010.0 1010.8 1000.8 DAY-HOUR 14-12 23-12 22-12 13- 0 29-15 3-12 14-12 12-15 3-12 3-12 14-12 5- 0 MEAN QFF PRESSURE IN HPA 1018.3 1014.6 1012.2 1006.3 1002.6 996.6 995.6 999.3 1002.7 1014.4 1014.9 1019.2 1008.0 MAX. QFF PRESSURE IN HPA 1028.9 1024.9 1021.6 1017.8 1012.5 1006.2 1002.2 1005.1 1008.6 1023.2 1025.0 1028.2 1028.9 DAY-HOUR 6- 6 8- 6 23-18 1- 3 10- 6 23- 6 27- 6 26- 3 23- 3 9- 6 30-18 7- 6 MIN. QFF PRESSURE IN HPA 1002.1 1003.6 997.7 997.2 989.8 990.8 989.5 992.4 996.9 1000.8 1002.5 1007.2 989.5 DAY-HOUR 9-12 23-12 22-12 13- 0 29-15 21- 0 14-12 12-12 3-12 3-12 14-12 5- 0 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 896.1 894.8 893.4 891.4 890.1 886.3 885.3 887.9 890.1 897.5 896.5 898.2 892.3 MAX. QFE PRESSURE IN HPA 902.0 900.5 898.6 898.3 894.9 892.1 888.8 891.0 893.5 902.2 900.6 903.6 903.6 DAY 3 8 18 1 10 23 27 7 24 17 23 7 MIN. QFE PRESSURE IN HPA 887.2 889.8 885.0 884.2 886.5 882.4 881.5 883.5 886.9 890.0 891.0 889.5 881.5 DAY 9 5 22 13 29 4 14 13 4 3 14 5 MEAN QNH PRESSURE IN HPA 1018.1 1016.7 1015.2 1012.9 1011.5 1007.3 1006.1 1009.0 1011.5 1019.7 1018.5 1020.4 1013.9 MAX. QNH PRESSURE IN HPA 1024.6 1023.0 1020.9 1020.5 1016.8 1013.7 1010.0 1012.4 1015.2 1024.9 1023.1 1026.4 1026.4 DAY 3 8 18 1 10 23 27 7 24 17 23 7 MIN. QNH PRESSURE IN HPA 1008.2 1011.1 1005.8 1004.9 1007.4 1002.9 1001.9 1004.1 1007.9 1011.3 1012.4 1010.8 1001.9 DAY 9 5 22 13 29 4 14 13 4 3 14 5 MEAN QFF PRESSURE IN HPA 1017.8 1013.6 1011.3 1005.6 1002.2 996.4 995.2 998.8 1002.2 1013.6 1014.0 1018.4 1007.4 MAX. QFF PRESSURE IN HPA 1024.6 1022.2 1018.7 1016.1 1010.1 1004.1 999.5 1002.7 1007.2 1020.9 1021.5 1025.8 1025.8 DAY 3 8 24 1 10 24 27 26 24 9 23 7 MIN. QFF PRESSURE IN HPA 1004.8 1005.3 999.0 997.2 996.0 990.8 990.4 993.1 998.1 1001.8 1004.9 1007.2 990.4 DAY 9 22 22 13 29 21 9 13 4 3 14 5 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 896.6 895.7 894.6 892.7 891.5 887.6 886.6 889.1 891.3 898.8 897.8 898.9 893.4 MAX. QFE PRESSURE IN HPA 902.0 901.5 899.5 899.0 896.7 893.9 890.3 892.3 894.3 903.4 901.8 904.3 904.3 DAY 3 8 31 1 10 23 27 26 23 17 23 7 MIN. QFE PRESSURE IN HPA 886.9 890.5 885.5 885.6 887.2 883.4 882.5 885.0 888.0 891.5 891.0 890.6 882.5 DAY 9 16 22 13 29 13 14 13 4 3 14 5 MEAN QNH PRESSURE IN HPA 1018.6 1017.6 1016.4 1014.3 1013.0 1008.7 1007.5 1010.4 1012.7 1021.1 1020.0 1021.2 1015.1 MAX. QNH PRESSURE IN HPA 1024.6 1024.1 1021.9 1021.3 1018.8 1015.7 1011.7 1013.9 1016.1 1026.2 1024.4 1027.2 1027.2 DAY 3 8 31 1 10 23 27 26 23 17 23 7 MIN. QNH PRESSURE IN HPA 1007.9 1011.9 1006.3 1006.4 1008.2 1004.0 1003.0 1005.8 1009.1 1013.0 1012.4 1012.0 1003.0 DAY 9 16 22 13 29 13 14 13 4 3 14 5 MEAN QFF PRESSURE IN HPA 1019.1 1015.4 1013.4 1007.8 1004.1 998.0 996.9 1000.6 1004.3 1015.8 1016.6 1020.4 1009.4 MAX. QFF PRESSURE IN HPA 1025.5 1023.9 1020.4 1017.8 1012.2 1005.9 1001.5 1005.1 1008.6 1023.1 1023.8 1027.7 1027.7 DAY 6 8 24 1 10 23 27 26 23 9 23 7 MIN. QFF PRESSURE IN HPA 1004.0 1007.5 1000.2 1000.1 997.2 993.2 991.9 994.9 1000.0 1004.5 1005.8 1009.6 991.9 DAY 9 22 22 13 29 13 9 13 4 3 14 5 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1993 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 898.1 896.9 895.9 893.8 892.3 888.1 887.0 889.7 892.0 899.9 898.8 900.2 894.4 MAX. QFE PRESSURE IN HPA 905.1 902.6 900.5 900.2 897.3 894.2 891.0 893.0 895.3 904.3 903.3 905.5 905.5 DAY 6 8 17 1 10 23 27 26 23 17 30 27 MIN. QFE PRESSURE IN HPA 888.9 891.0 887.4 887.7 886.8 884.2 883.0 885.6 888.6 892.5 891.7 894.2 883.0 DAY 9 23 22 13 29 13 9 12 4 3 14 5 MEAN QNH PRESSURE IN HPA 1020.3 1019.0 1017.8 1015.5 1013.8 1009.2 1008.0 1011.0 1013.6 1022.3 1021.1 1022.7 1016.2 MAX. QNH PRESSURE IN HPA 1028.1 1025.3 1023.0 1022.6 1019.4 1016.0 1012.4 1014.7 1017.2 1027.2 1026.1 1028.5 1028.5 DAY 6 8 17 1 10 23 27 26 23 17 30 27 MIN. QNH PRESSURE IN HPA 1010.1 1012.4 1008.4 1008.8 1007.8 1004.9 1003.6 1006.4 1009.8 1014.1 1013.2 1016.0 1003.6 DAY 9 23 22 13 29 13 9 12 4 3 14 5 MEAN QFF PRESSURE IN HPA 1020.2 1016.2 1014.0 1008.3 1004.4 998.1 997.0 1000.5 1004.1 1016.1 1016.8 1021.2 1009.7 MAX. QFF PRESSURE IN HPA 1028.9 1024.9 1020.8 1017.7 1012.5 1006.2 1002.2 1005.1 1008.5 1023.2 1024.3 1028.2 1028.9 DAY 6 8 18 1 10 23 27 26 23 9 23 7 MIN. QFF PRESSURE IN HPA 1005.4 1008.0 1003.1 1002.0 996.4 992.8 991.7 995.5 999.5 1004.7 1006.4 1014.1 991.7 DAY 9 23 22 13 29 13 9 12 4 3 14 5 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 896.3 895.6 894.4 892.4 890.9 887.1 885.9 888.6 890.5 898.0 896.8 898.2 892.9 MAX. QFE PRESSURE IN HPA 903.6 901.2 899.3 898.5 896.0 893.0 890.0 891.0 893.8 902.5 901.7 903.3 903.6 DAY 6 8 17 1 10 23 27 26 23 16 30 26 MIN. QFE PRESSURE IN HPA 886.2 890.0 886.3 886.3 884.6 883.6 882.1 884.5 887.7 890.9 889.8 893.8 882.1 DAY 14 23 22 13 29 13 14 12 3 3 14 28 MEAN QNH PRESSURE IN HPA 1018.3 1017.6 1016.2 1013.9 1012.4 1008.1 1006.8 1009.8 1011.9 1020.2 1018.8 1020.4 1014.5 MAX. QNH PRESSURE IN HPA 1026.4 1023.7 1021.6 1020.8 1018.0 1014.7 1011.3 1012.4 1015.5 1025.2 1024.3 1026.1 1026.4 DAY 6 8 17 1 10 23 27 26 23 16 30 26 MIN. QNH PRESSURE IN HPA 1007.1 1011.3 1007.2 1007.2 1005.3 1004.2 1002.6 1005.2 1008.8 1012.3 1011.1 1015.5 1002.6 DAY 14 23 22 13 29 13 14 12 3 3 14 28 MEAN QFF PRESSURE IN HPA 1017.9 1014.5 1012.2 1006.6 1003.0 997.1 995.9 999.5 1002.4 1013.9 1014.3 1018.4 1008.0 MAX. QFF PRESSURE IN HPA 1027.4 1022.7 1019.4 1015.9 1011.0 1004.6 1001.0 1003.0 1007.3 1021.3 1021.8 1025.5 1027.4 DAY 6 8 17 1 10 23 27 26 23 9 30 7 MIN. QFF PRESSURE IN HPA 1003.6 1007.0 1001.7 999.9 994.3 992.7 990.7 994.4 998.1 1002.8 1004.1 1012.9 990.7 DAY 9 15 22 13 29 21 9 12 1 3 14 5 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 895.1 894.2 892.8 890.4 889.1 885.5 884.4 887.2 889.3 896.8 895.7 897.2 891.5 MAX. QFE PRESSURE IN HPA 902.6 899.8 898.9 896.1 894.5 891.1 888.5 889.8 892.7 901.9 901.5 902.3 902.6 DAY 6 8 17 1 10 23 27 6 23 16 30 26 MIN. QFE PRESSURE IN HPA 885.2 887.0 883.2 884.4 881.5 881.7 880.7 882.9 886.0 889.0 888.8 892.5 880.7 DAY 14 23 22 13 29 3 14 12 3 3 14 4 MEAN QNH PRESSURE IN HPA 1016.9 1016.0 1014.4 1011.8 1010.3 1006.3 1005.2 1008.2 1010.5 1018.9 1017.6 1019.4 1013.0 MAX. QNH PRESSURE IN HPA 1025.3 1022.2 1021.2 1018.1 1016.3 1012.5 1009.7 1011.1 1014.3 1024.5 1024.1 1025.0 1025.3 DAY 6 8 17 1 10 23 27 6 23 16 30 26 MIN. QNH PRESSURE IN HPA 1006.0 1008.0 1003.8 1005.1 1001.9 1002.1 1001.0 1003.5 1006.9 1010.2 1010.0 1014.1 1001.0 DAY 14 23 22 13 29 3 14 12 3 3 14 4 MEAN QFF PRESSURE IN HPA 1016.6 1013.0 1010.6 1004.5 1001.0 995.4 994.3 997.9 1001.1 1012.8 1013.2 1017.3 1006.5 MAX. QFF PRESSURE IN HPA 1026.1 1021.0 1019.2 1013.4 1009.5 1002.9 999.5 1001.8 1006.1 1020.0 1022.9 1023.7 1026.1 DAY 6 8 17 1 10 23 27 6 23 9 30 7 MIN. QFF PRESSURE IN HPA 1002.1 1003.6 997.7 997.8 990.7 991.2 989.5 992.4 996.9 1000.8 1002.5 1010.6 989.5 DAY 9 23 22 13 29 21 14 12 3 3 14 5 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1993 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 896.1 895.1 893.3 890.8 889.2 885.3 884.4 887.3 889.8 897.5 896.5 898.3 892.0 MAX. QFE PRESSURE IN HPA 903.7 900.1 898.9 896.2 894.5 890.7 888.0 890.0 893.7 902.6 901.5 903.4 903.7 DAY 6 8 17 1 10 23 27 6 23 16 30 26 MIN. QFE PRESSURE IN HPA 886.7 889.0 883.6 884.9 880.5 881.9 880.8 882.7 886.5 889.4 890.3 892.1 880.5 DAY 8 23 22 12 29 3 13 12 4 3 14 4 MEAN QNH PRESSURE IN HPA 1018.1 1017.0 1014.9 1012.2 1010.5 1006.1 1005.2 1008.4 1011.1 1019.7 1018.5 1020.6 1013.5 MAX. QNH PRESSURE IN HPA 1026.5 1022.5 1021.2 1018.2 1016.3 1012.1 1009.1 1011.3 1015.4 1025.3 1024.1 1026.2 1026.5 DAY 6 8 17 1 10 23 27 6 23 16 30 26 MIN. QNH PRESSURE IN HPA 1007.7 1010.2 1004.2 1005.7 1000.8 1002.3 1001.1 1003.2 1007.4 1010.7 1011.7 1013.7 1000.8 DAY 8 23 22 12 29 3 13 12 4 3 14 4 MEAN QFF PRESSURE IN HPA 1018.5 1014.7 1011.9 1005.6 1001.5 995.4 994.6 998.6 1002.5 1014.4 1015.1 1019.7 1007.7 MAX. QFF PRESSURE IN HPA 1027.3 1021.9 1019.6 1014.2 1009.6 1003.0 999.2 1002.0 1008.0 1021.3 1024.1 1026.3 1027.3 DAY 6 8 23 1 10 23 27 6 23 9 30 7 MIN. QFF PRESSURE IN HPA 1004.7 1007.3 998.8 999.1 989.8 991.1 989.9 992.7 997.6 1002.2 1005.3 1012.7 989.8 DAY 9 23 22 12 29 21 8 12 1 3 14 5 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 896.8 895.8 894.5 892.1 890.5 886.5 885.6 888.5 891.0 898.5 897.2 899.0 893.0 MAX. QFE PRESSURE IN HPA 904.1 901.0 899.5 897.0 895.5 892.1 889.7 891.7 894.6 903.4 902.5 904.4 904.4 DAY 6 7 31 1 10 23 27 6 23 16 30 26 MIN. QFE PRESSURE IN HPA 887.4 887.8 885.5 885.6 883.0 882.3 881.8 883.5 887.5 890.8 891.7 891.3 881.8 DAY 8 23 12 12 29 3 9 12 3 3 14 4 MEAN QNH PRESSURE IN HPA 1018.9 1017.8 1016.3 1013.7 1011.9 1007.4 1006.5 1009.7 1012.5 1020.7 1019.3 1021.3 1014.7 MAX. QNH PRESSURE IN HPA 1027.0 1023.5 1021.9 1019.1 1017.4 1013.7 1011.0 1013.2 1016.4 1026.2 1025.2 1027.3 1027.3 DAY 6 7 31 1 10 23 27 6 23 16 30 26 MIN. QNH PRESSURE IN HPA 1008.4 1008.9 1006.3 1006.4 1003.6 1002.8 1002.2 1004.1 1008.6 1012.2 1013.2 1012.8 1002.2 DAY 8 23 12 12 29 3 9 12 3 3 14 4 MEAN QFF PRESSURE IN HPA 1018.7 1014.9 1012.4 1006.4 1002.5 996.2 995.5 999.2 1003.1 1014.6 1015.1 1019.7 1008.2 MAX. QFF PRESSURE IN HPA 1027.5 1022.9 1021.6 1013.9 1010.4 1004.5 1000.9 1003.4 1008.2 1021.6 1025.0 1026.0 1027.5 DAY 6 8 23 1 10 23 27 6 23 8 30 7 MIN. QFF PRESSURE IN HPA 1006.1 1004.9 1001.6 999.9 992.7 991.9 990.1 993.0 998.0 1002.3 1006.1 1010.6 990.1 DAY 8 23 12 12 29 3 9 12 4 3 14 4 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 896.3 895.5 894.2 891.6 890.4 886.2 885.4 888.2 890.5 898.0 896.8 898.3 892.6 MAX. QFE PRESSURE IN HPA 902.3 901.0 899.5 896.0 895.5 891.3 889.1 891.7 893.9 903.2 901.6 903.6 903.6 DAY 6 7 31 1 10 23 27 6 30 16 30 6 MIN. QFE PRESSURE IN HPA 887.2 888.6 886.0 885.0 885.3 882.7 881.5 883.0 886.9 890.3 892.0 890.4 881.5 DAY 8 4 21 12 29 3 13 12 4 3 13 4 MEAN QNH PRESSURE IN HPA 1018.3 1017.4 1016.0 1013.1 1011.8 1007.2 1006.3 1009.3 1011.9 1020.2 1018.9 1020.6 1014.2 MAX. QNH PRESSURE IN HPA 1025.0 1023.5 1021.9 1018.0 1017.4 1012.8 1010.3 1013.2 1015.7 1026.0 1024.2 1026.4 1026.4 DAY 6 7 31 1 10 23 27 6 30 16 30 6 MIN. QNH PRESSURE IN HPA 1008.2 1009.8 1006.9 1005.8 1006.1 1003.2 1001.9 1003.6 1007.9 1011.7 1013.5 1011.8 1001.9 DAY 8 4 21 12 29 3 13 12 4 3 13 4 MEAN QFF PRESSURE IN HPA 1017.8 1014.4 1012.0 1005.6 1002.4 996.1 995.4 999.1 1002.5 1013.9 1014.4 1018.5 1007.7 MAX. QFF PRESSURE IN HPA 1025.6 1022.5 1020.4 1012.9 1010.3 1003.4 1000.3 1003.4 1006.6 1021.1 1023.9 1024.5 1025.6 DAY 6 7 23 1 10 23 27 6 23 8 30 7 MIN. QFF PRESSURE IN HPA 1005.4 1005.2 999.8 998.4 996.1 990.8 990.0 992.7 997.8 1001.8 1006.4 1009.1 990.0 DAY 8 4 21 12 29 20 9 12 4 3 13 4 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1994 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 11.3 13.3 18.8 23.1 29.2 34.3 34.8 34.1 26.5 22.1 20.6 11.5 23.3 MINIMUN AIR TEMPERATURE (C) 5.6 7.1 13.6 17.2 23.0 27.6 28.9 28.2 20.8 16.7 15.4 6.3 17.5 DAYS WITH MINIMUM TEMP. >=21 0 0 0 7 23 30 31 31 13 1 0 0 136 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 0 1 0 0 0 0 0 0 0 0 0 5 6 TEMPERATURE RECORDS LOWEST(C) 1.2 -1.0 6.0 7.0 16.0 21.4 23.4 24.6 15.0 10.6 11.0 -3.2 -3.2 DAY 12 20 3 6 12 13 16 20 22 10 29 9 MAXIMUM AIR TEMPERATURE (C) 17.8 20.4 24.7 29.5 34.9 40.3 40.3 40.1 32.0 28.2 27.1 17.9 29.4 DAYS WITH MAXIMUM TEMP. >=30 0 1 1 12 29 30 31 31 20 11 5 0 171 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 28.0 30.6 32.5 37.0 39.4 44.5 43.5 43.8 39.0 34.2 31.4 28.6 44.5 DAY 3 1 31 25 16 29 20 3 1 1 8 1 DIF. BETWEEN (MAX.-MIN.) (C) 12.2 13.3 11.1 12.3 11.9 12.7 11.4 11.9 11.2 11.5 11.7 11.6 11.9 MEAN DAILY TEMP. (MDT) (C) 11.7 13.7 19.2 23.3 29.0 33.9 34.6 34.2 26.4 22.5 21.2 12.1 23.5 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 9.2 92.6 246.7 388.0 421.8 408.3 161.9 64.4 30.9 2.8 1826.8 HEATING DEG. DAYS(BASE 18 0C) 200.4 123.6 19.2 6.7 0.0 0.0 0.0 0.0 0.0 2.2 0.5 200.9 553.4 DEWPOINT (MEAN C) -5.3 -4.7 1.4 3.4 5.1 8.6 8.1 8.6 2.1 6.7 2.7 -4.5 2.7 MIXING RATIO (G/KG) 3.10 3.24 5.01 6.05 6.48 8.66 8.16 8.51 5.33 7.11 5.38 3.36 5.87 VAPOUR PRESSURE (HPA) 4.44 4.62 7.13 8.58 9.18 12.09 11.40 11.90 7.57 10.14 7.68 4.81 8.30 SATURATION DEF. (HPA) 9.61 11.62 15.34 21.21 32.52 43.77 45.51 43.16 28.39 17.28 17.42 10.13 24.66 RELATIVE HUMIDITY (MEAN %) 34 31 35 30 24 24 21 22 22 39 32 35 29 RELATIVE HUMIDITY (MAX. %) 52 48 54 47 36 34 31 31 32 55 46 52 43 RELATIVE HUMIDITY (MIN. %) 21 19 20 19 15 17 14 16 16 26 21 20 19 RELATIVE HUMIDITY (MEAN% 03UTC) 45 41 43 41 30 27 25 26 27 50 40 45 37 RELATIVE HUMIDITY (MEAN% 09UTC) 23 22 25 20 17 21 15 18 17 27 24 23 21 RELATIVE HUMIDITY (MEAN% 15UTC) 30 26 29 26 21 20 18 21 21 36 30 33 26 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 2.4 3.3 9.0 13.4 15.0 0.0 0.0 0.0 1.0 9.6 0.0 7.0 60.7 DAYS WITH PRECIPITATION >=10 0 0 0 0 1 0 0 0 0 0 0 0 1 DAYS WITH PRECIPITATION >= 5 0 0 0 1 1 0 0 0 0 0 0 1 3 DAYS WITH PRECIPITATION >= 1 1 1 6 3 2 0 0 0 1 4 0 2 20 DAYS WITH PRECIPITATION 2 2 6 4 2 0 0 0 1 5 0 2 24 GREATEST DAILY PRECIPITATION 2.0 3.0 3.0 9.0 14.0 0.0 0.0 0.0 1.0 4.0 0.0 6.0 14.0 DAY 24 28 2 13 6 ** ** ** 30 23 ** 5 DAY WITH THUNDER STORM 0 0 0 1 0 0 0 0 0 2 0 0 3 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 0 3 4 4 11 5 12 6 2 1 0 1 49 WIND DIRECTION (PREVAILING) 270 270 270 270 270 270 360 315 360 270 270 270 270 PREVAILING WIND SPEED(KNOTS) 10.0 9.6 11.7 11.6 12.3 10.8 11.4 10.8 11.4 11.0 10.9 13.2 11.0 PREVAILING WIND PERCENT 12.1 16.1 14.1 14.2 15.7 15.8 19.4 19.4 16.3 20.6 19.2 8.5 14.4 CALMS PERCENT OF WIND 65.3 60.7 62.1 50.0 54.0 47.1 41.5 41.1 37.5 40.3 50.0 62.5 51.0 NO. OF WIND OBSERVATION 248 224 248 240 248 240 248 248 240 248 240 248 2920 VECTOR WIND DIRECTION (MEAN) 304 300 270 316 310 330 336 334 342 309 289 275 315 VECTOR WIND MAGNITUDE(KNOTS) 1.7 1.7 2.5 3.0 2.6 3.3 4.5 4.1 4.3 4.0 3.2 1.8 2.8 WIND STEADINESES (MEAN %) 51.5 44.7 62.5 52.6 53.1 55.0 69.2 66.1 63.2 63.5 60.4 43.9 52.8 WIND SPEED (MEAN KNOTS) 3.3 3.8 4.0 5.7 4.9 6.0 6.5 6.2 6.8 6.3 5.3 4.1 5.3 FASTEST WIND DIRECTION 300 220 240 310 270 360 310 270 360 270 270 240 270 FASTEST WIND SPEED (KNOTS) 19 29 29 29 29 29 29 23 23 29 39 29 39 DAY 3 1 16 2 11 5 9 13 18 2 26 4 DAYS WITH SKY CLEAR (0-2)/8 21 22 10 17 21 30 24 25 23 21 20 23 257 DAYS WITH P.CLOUDY (3-6)/8 9 6 14 11 7 0 7 6 7 10 10 8 95 DAYS WITH CLOUDY (7-8)/8 1 0 7 2 3 0 0 0 0 0 0 0 13 DAYS WITH VISIBILITY =< 2 KM 0 0 0 0 0 0 0 0 0 0 0 0 0 DURATION OF SUNSHINE HOURS 251.6 248.6 201.9 268.0 312.1 357.1 340.5 344.1 306.5 272.5 264.4 258.1 3425.4 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1994 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 896.2 892.7 893.5 892.9 890.6 884.1 882.3 884.7 893.3 897.1 896.1 897.9 891.8 MAX. QFE PRESSURE IN HPA 905.7 900.6 900.5 903.5 895.8 890.8 887.9 890.0 901.3 904.5 902.5 907.1 907.1 DAY-HOUR 28- 6 4- 6 18- 6 5- 6 8- 6 9- 6 14- 6 16- 6 23- 6 10- 6 2- 6 8- 6 MIN. QFE PRESSURE IN HPA 887.3 885.4 887.1 885.3 886.2 877.5 878.2 879.0 884.0 890.4 888.2 886.1 877.5 DAY-HOUR 16-21 12-12 15-15 3-12 2- 0 29-12 21-15 3-15 1-12 3-12 26- 3 4-12 MEAN QNH PRESSURE IN HPA 1018.2 1014.3 1015.2 1014.5 1012.0 1004.8 1002.8 1005.5 1015.0 1019.2 1018.1 1020.1 1013.3 MAX. QNH PRESSURE IN HPA 1028.7 1023.1 1023.0 1026.3 1017.8 1012.2 1009.0 1011.3 1023.9 1027.4 1025.2 1030.3 1030.3 DAY-HOUR 28- 6 4- 6 18- 6 5- 6 8- 6 9- 6 14- 6 16- 6 23- 6 10- 6 2- 6 8- 6 MIN. QNH PRESSURE IN HPA 1008.3 1006.2 1008.1 1006.1 1007.1 997.5 998.2 999.1 1004.7 1011.8 1009.3 1007.0 997.5 DAY-HOUR 16-21 12-12 15-15 3-12 2- 0 29-12 21-15 3-15 1-12 3-12 26- 3 4-12 MEAN QFF PRESSURE IN HPA 1016.7 1011.9 1010.3 1007.7 1002.7 993.4 991.1 994.1 1006.8 1012.8 1012.4 1018.6 1006.5 MAX. QFF PRESSURE IN HPA 1028.3 1022.0 1020.2 1024.0 1010.1 1001.8 998.9 999.7 1017.8 1023.3 1019.2 1033.6 1033.6 DAY-HOUR 28- 6 20-18 18- 6 5-18 8- 3 9- 6 14- 6 16- 6 23- 6 10- 3 2- 6 8- 3 MIN. QFF PRESSURE IN HPA 1004.3 1001.8 1002.0 998.2 996.5 984.3 986.1 986.2 993.8 1003.5 1002.0 1001.2 984.3 DAY-HOUR 5-12 12-12 12-12 26-12 27-12 30- 9 21-15 3-12 1-12 3-12 26- 0 4-12 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 895.7 892.2 892.7 892.4 890.1 883.9 882.0 884.2 892.6 896.7 895.6 897.4 891.3 MAX. QFE PRESSURE IN HPA 903.0 898.1 897.7 901.1 894.2 889.0 886.3 887.2 899.0 902.7 899.7 904.5 904.5 DAY 19 21 4 6 8 1 14 16 23 10 3 8 MIN. QFE PRESSURE IN HPA 887.3 886.0 887.7 886.5 886.2 878.7 879.2 879.5 884.1 890.5 888.3 889.0 878.7 DAY 17 12 13 3 2 29 1 2 1 3 26 4 MEAN QNH PRESSURE IN HPA 1017.7 1013.7 1014.3 1014.0 1011.4 1004.5 1002.5 1004.9 1014.3 1018.7 1017.5 1019.5 1012.8 MAX. QNH PRESSURE IN HPA 1025.7 1020.3 1019.9 1023.6 1016.0 1010.2 1007.2 1008.2 1021.3 1025.4 1022.1 1027.4 1027.4 DAY 19 21 4 6 8 1 14 16 23 10 3 8 MIN. QNH PRESSURE IN HPA 1008.3 1006.9 1008.8 1007.4 1007.1 998.8 999.3 999.7 1004.8 1011.9 1009.4 1010.2 998.8 DAY 17 12 13 3 2 29 1 2 1 3 26 4 MEAN QFF PRESSURE IN HPA 1015.9 1011.1 1009.2 1007.2 1002.1 993.1 990.7 993.6 1006.1 1012.2 1011.6 1017.6 1005.9 MAX. QFF PRESSURE IN HPA 1024.9 1020.8 1017.3 1021.7 1008.5 1000.6 997.0 997.1 1015.5 1021.6 1016.7 1030.4 1030.4 DAY 19 21 4 6 8 1 14 24 23 10 3 8 MIN. QFF PRESSURE IN HPA 1004.4 1003.6 1002.0 1000.0 998.1 986.0 986.4 987.5 993.9 1003.8 1002.0 1003.3 986.0 DAY 17 12 13 3 11 29 1 4 1 3 26 4 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 896.6 893.3 893.8 893.7 891.5 885.2 883.1 885.5 893.8 897.8 896.7 898.2 892.4 MAX. QFE PRESSURE IN HPA 903.9 898.2 899.3 901.6 895.3 889.7 887.2 889.2 900.1 903.4 900.8 906.5 906.5 DAY 19 21 18 5 8 1 14 16 24 10 2 8 MIN. QFE PRESSURE IN HPA 889.5 886.9 889.3 887.4 887.2 879.7 879.6 881.0 885.4 892.0 888.2 889.0 879.6 DAY 17 12 13 3 11 29 21 2 1 3 26 4 MEAN QNH PRESSURE IN HPA 1018.6 1015.0 1015.6 1015.4 1013.0 1006.0 1003.7 1006.3 1015.6 1020.0 1018.8 1020.4 1014.0 MAX. QNH PRESSURE IN HPA 1026.7 1020.4 1021.6 1024.2 1017.2 1011.0 1008.2 1010.4 1022.5 1026.2 1023.3 1029.6 1029.6 DAY 19 21 18 5 8 1 14 16 24 10 2 8 MIN. QNH PRESSURE IN HPA 1010.8 1007.9 1010.6 1008.4 1008.2 999.9 999.8 1001.3 1006.2 1013.5 1009.3 1010.2 999.8 DAY 17 12 13 3 11 29 21 2 1 3 26 4 MEAN QFF PRESSURE IN HPA 1017.9 1013.3 1011.1 1009.2 1004.1 994.9 992.4 995.3 1008.0 1014.3 1013.9 1019.7 1007.8 MAX. QFF PRESSURE IN HPA 1027.4 1021.6 1019.7 1022.5 1010.1 1001.3 998.1 999.1 1017.4 1023.3 1018.6 1033.6 1033.6 DAY 19 21 4 6 8 1 14 17 23 10 21 8 MIN. QFF PRESSURE IN HPA 1007.5 1004.8 1004.4 1001.2 999.8 987.3 987.8 989.6 995.8 1006.3 1003.1 1004.1 987.3 DAY 17 12 13 3 11 29 21 2 1 3 26 4 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1994 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 898.0 894.6 895.1 894.7 892.1 885.8 883.6 886.2 894.7 898.8 897.9 899.7 893.4 MAX. QFE PRESSURE IN HPA 905.7 900.6 900.5 903.5 895.8 890.8 887.9 890.0 901.3 904.5 902.5 907.1 907.1 DAY 28 4 18 5 8 9 14 16 23 10 2 8 MIN. QFE PRESSURE IN HPA 891.4 887.7 890.2 888.2 888.0 880.2 880.1 881.0 885.9 892.8 891.4 890.4 880.1 DAY 26 12 12 3 11 29 21 1 1 3 26 4 MEAN QNH PRESSURE IN HPA 1020.2 1016.5 1017.0 1016.5 1013.6 1006.6 1004.2 1007.1 1016.5 1021.1 1020.1 1022.1 1015.1 MAX. QNH PRESSURE IN HPA 1028.7 1023.1 1023.0 1026.3 1017.8 1012.2 1009.0 1011.3 1023.9 1027.4 1025.2 1030.3 1030.3 DAY 28 4 18 5 8 9 14 16 23 10 2 8 MIN. QNH PRESSURE IN HPA 1012.9 1008.8 1011.6 1009.3 1009.1 1000.5 1000.3 1001.3 1006.8 1014.4 1012.9 1011.8 1000.3 DAY 26 12 12 3 11 29 21 1 1 3 26 4 MEAN QFF PRESSURE IN HPA 1018.8 1014.0 1012.1 1009.6 1004.1 995.0 992.4 995.4 1008.1 1014.5 1014.3 1020.6 1008.2 MAX. QFF PRESSURE IN HPA 1028.3 1021.6 1020.2 1023.4 1010.0 1001.8 998.9 999.7 1017.8 1023.3 1019.2 1033.5 1033.5 DAY 28 21 18 5 8 9 14 16 23 10 2 8 MIN. QFF PRESSURE IN HPA 1009.9 1005.1 1005.7 1001.3 1000.7 987.2 987.8 989.2 995.6 1006.0 1006.8 1005.4 987.2 DAY 17 12 12 3 11 29 21 2 1 3 26 4 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 896.1 893.0 894.0 893.1 891.0 884.7 882.7 885.0 893.2 896.8 895.9 897.8 891.9 MAX. QFE PRESSURE IN HPA 903.7 899.1 898.4 902.7 894.3 889.6 885.9 888.6 900.2 902.4 900.6 904.3 904.3 DAY 28 4 18 5 8 9 4 16 23 10 2 8 MIN. QFE PRESSURE IN HPA 889.5 886.3 889.5 886.9 886.8 879.3 879.7 880.4 884.8 891.4 890.1 887.1 879.3 DAY 16 12 12 3 11 29 20 2 1 3 26 4 MEAN QNH PRESSURE IN HPA 1018.1 1014.6 1015.7 1014.7 1012.4 1005.4 1003.2 1005.8 1014.9 1018.9 1017.8 1019.9 1013.5 MAX. QNH PRESSURE IN HPA 1026.5 1021.4 1020.6 1025.4 1016.1 1010.9 1006.8 1009.8 1022.6 1025.1 1023.1 1027.2 1027.2 DAY 28 4 18 5 8 9 4 16 23 10 2 8 MIN. QNH PRESSURE IN HPA 1010.8 1007.2 1010.8 1007.9 1007.8 999.5 999.9 1000.7 1005.6 1012.9 1011.4 1008.1 999.5 DAY 16 12 12 3 11 29 20 2 1 3 26 4 MEAN QFF PRESSURE IN HPA 1016.2 1011.8 1010.6 1007.7 1003.0 993.9 991.4 994.2 1006.5 1012.1 1011.7 1018.0 1006.4 MAX. QFF PRESSURE IN HPA 1025.7 1019.8 1017.8 1022.4 1008.1 1000.3 996.1 998.1 1016.5 1020.7 1017.2 1030.0 1030.0 DAY 28 4 3 5 8 10 13 16 23 10 2 8 MIN. QFF PRESSURE IN HPA 1006.4 1003.5 1005.0 999.8 999.2 984.3 987.1 988.2 994.5 1004.4 1004.7 1001.4 984.3 DAY 5 12 12 3 28 30 20 2 1 3 26 4 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 894.8 891.2 892.3 891.7 889.3 883.0 881.3 883.5 892.1 895.7 894.7 896.7 890.5 MAX. QFE PRESSURE IN HPA 901.7 897.9 897.1 901.8 892.0 888.0 884.0 886.0 899.2 900.8 899.3 903.4 903.4 DAY 28 4 18 5 14 1 3 22 23 10 2 8 MIN. QFE PRESSURE IN HPA 888.0 885.4 887.8 885.3 886.4 877.5 878.6 879.3 884.0 890.4 888.7 886.1 877.5 DAY 16 12 12 3 27 29 20 1 1 3 26 4 MEAN QNH PRESSURE IN HPA 1016.6 1012.6 1013.8 1013.3 1010.6 1003.6 1001.7 1004.2 1013.6 1017.6 1016.5 1018.7 1011.9 MAX. QNH PRESSURE IN HPA 1024.3 1020.1 1019.2 1024.4 1013.5 1009.1 1004.7 1006.9 1021.5 1023.3 1021.6 1026.2 1026.2 DAY 28 4 18 5 14 1 3 22 23 10 2 8 MIN. QNH PRESSURE IN HPA 1009.1 1006.2 1008.9 1006.1 1007.3 997.5 998.7 999.5 1004.7 1011.8 1009.9 1007.0 997.5 DAY 16 12 12 3 27 29 20 1 1 3 26 4 MEAN QFF PRESSURE IN HPA 1014.8 1009.9 1008.7 1006.5 1001.3 992.1 989.9 992.7 1005.4 1011.1 1010.6 1016.9 1005.0 MAX. QFF PRESSURE IN HPA 1023.4 1019.7 1015.7 1021.5 1005.6 999.4 993.9 996.1 1015.4 1019.1 1015.8 1029.4 1029.4 DAY 28 4 3 5 7 1 13 17 23 10 2 8 MIN. QFF PRESSURE IN HPA 1004.3 1001.8 1002.0 998.2 996.5 984.6 986.2 986.2 993.8 1003.5 1003.5 1001.2 984.6 DAY 5 12 12 26 27 29 20 3 1 3 26 4 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1994 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 895.9 891.9 892.8 891.8 889.5 882.9 881.3 883.7 892.6 896.6 895.7 897.6 891.0 MAX. QFE PRESSURE IN HPA 902.3 898.5 897.9 902.1 893.6 888.3 884.4 886.3 899.8 901.2 900.2 903.4 903.4 DAY 28 4 17 5 6 8 13 16 23 10 2 8 MIN. QFE PRESSURE IN HPA 889.0 885.6 887.1 885.6 886.5 877.8 878.2 879.0 884.6 891.3 890.9 887.7 877.8 DAY 16 12 15 3 27 29 21 3 1 2 26 4 MEAN QNH PRESSURE IN HPA 1017.9 1013.4 1014.4 1013.3 1010.8 1003.5 1001.7 1004.4 1014.3 1018.6 1017.6 1019.8 1012.5 MAX. QNH PRESSURE IN HPA 1025.0 1020.8 1020.1 1024.8 1015.3 1009.4 1005.1 1007.2 1022.2 1023.7 1022.6 1026.2 1026.2 DAY 28 4 17 5 6 8 13 16 23 10 2 8 MIN. QNH PRESSURE IN HPA 1010.2 1006.4 1008.1 1006.4 1007.4 997.8 998.2 999.1 1005.3 1012.8 1012.3 1008.8 997.8 DAY 16 12 15 3 27 29 21 3 1 2 26 4 MEAN QFF PRESSURE IN HPA 1017.1 1011.6 1009.9 1007.0 1001.9 992.2 990.3 993.3 1006.7 1012.9 1012.7 1019.1 1006.2 MAX. QFF PRESSURE IN HPA 1025.1 1021.6 1017.4 1022.9 1008.2 999.2 994.8 997.1 1017.0 1020.6 1017.5 1030.3 1030.3 DAY 19 4 3 5 6 1 13 17 23 10 2 8 MIN. QFF PRESSURE IN HPA 1006.7 1002.3 1002.7 998.2 997.9 985.3 986.1 986.3 995.0 1005.0 1006.3 1003.2 985.3 DAY 5 12 15 26 27 28 21 3 1 2 26 4 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 896.6 893.0 894.1 893.0 890.8 884.0 882.5 885.1 893.9 897.6 896.4 898.3 892.1 MAX. QFE PRESSURE IN HPA 902.8 899.6 898.9 903.3 894.5 889.0 885.6 887.4 900.5 902.2 900.7 904.5 904.5 DAY 28 7 3 5 7 9 13 16 23 9 1 7 MIN. QFE PRESSURE IN HPA 889.0 886.7 889.3 886.9 887.7 878.7 879.6 880.2 886.1 892.2 891.0 888.1 878.7 DAY 16 12 12 3 1 29 20 3 1 2 25 4 MEAN QNH PRESSURE IN HPA 1018.7 1014.6 1015.9 1014.6 1012.2 1004.6 1003.0 1005.9 1015.6 1019.7 1018.4 1020.6 1013.6 MAX. QNH PRESSURE IN HPA 1025.5 1022.0 1021.2 1026.1 1016.3 1010.2 1006.4 1008.4 1023.0 1024.9 1023.2 1027.4 1027.4 DAY 28 7 3 5 7 9 13 16 23 9 1 7 MIN. QNH PRESSURE IN HPA 1010.2 1007.7 1010.6 1007.9 1008.8 998.8 999.8 1000.5 1007.0 1013.8 1012.4 1009.2 998.8 DAY 16 12 12 3 1 29 20 3 1 2 25 4 MEAN QFF PRESSURE IN HPA 1017.2 1012.1 1010.9 1007.7 1002.7 993.0 991.2 994.2 1007.2 1013.2 1012.6 1019.0 1006.7 MAX. QFF PRESSURE IN HPA 1025.0 1022.0 1018.9 1024.0 1008.2 1000.3 996.1 997.8 1016.7 1019.9 1017.4 1030.1 1030.1 DAY 28 20 3 5 7 9 13 17 23 9 2 8 MIN. QFF PRESSURE IN HPA 1006.6 1002.3 1004.3 1000.5 999.2 985.6 987.0 987.4 995.8 1005.3 1005.9 1002.6 985.6 DAY 5 12 12 26 28 29 20 3 1 2 25 4 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 896.1 892.7 893.6 892.8 890.5 883.8 882.3 884.8 893.4 897.1 895.8 897.7 891.7 MAX. QFE PRESSURE IN HPA 902.4 899.0 899.5 902.3 894.1 888.0 885.6 887.0 899.6 902.7 900.4 905.0 905.0 DAY 18 20 3 5 7 9 3 16 23 9 2 7 MIN. QFE PRESSURE IN HPA 887.3 887.2 887.9 886.6 886.7 878.7 879.6 879.8 885.8 891.5 889.6 887.2 878.7 DAY 16 12 12 3 1 29 19 3 3 2 25 4 MEAN QNH PRESSURE IN HPA 1018.1 1014.3 1015.3 1014.4 1011.9 1004.4 1002.8 1005.5 1015.1 1019.2 1017.8 1019.9 1013.2 MAX. QNH PRESSURE IN HPA 1025.1 1021.3 1021.9 1025.0 1015.9 1009.1 1006.4 1008.0 1022.0 1025.4 1022.9 1028.0 1028.0 DAY 18 20 3 5 7 9 3 16 23 9 2 7 MIN. QNH PRESSURE IN HPA 1008.3 1008.2 1009.0 1007.6 1007.7 998.8 999.8 1000.0 1006.7 1013.0 1010.9 1008.2 998.8 DAY 16 12 12 3 1 29 19 3 3 2 25 4 MEAN QFF PRESSURE IN HPA 1016.2 1011.4 1010.1 1007.3 1002.4 992.9 991.0 994.0 1006.8 1012.4 1011.7 1017.9 1006.2 MAX. QFF PRESSURE IN HPA 1023.5 1022.0 1019.5 1022.5 1007.7 999.8 995.8 997.5 1015.9 1021.0 1017.0 1030.4 1030.4 DAY 18 20 3 5 7 9 13 24 23 9 2 7 MIN. QFF PRESSURE IN HPA 1005.0 1002.7 1002.4 999.8 998.4 985.9 986.8 987.1 996.1 1004.4 1003.6 1001.8 985.9 DAY 16 12 12 30 1 29 19 3 1 2 25 4 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1995 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 12.3 13.7 16.4 22.4 27.9 33.0 36.0 33.4 29.1 23.5 17.9 9.9 23.0 MINIMUN AIR TEMPERATURE (C) 6.8 8.8 11.0 16.4 21.7 26.5 29.8 27.3 22.9 17.9 12.4 5.7 17.3 DAYS WITH MINIMUM TEMP. >=21 0 0 0 4 22 28 31 31 26 13 0 0 155 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS LOWEST(C) 3.0 3.0 3.2 9.2 17.4 18.0 25.4 24.4 19.0 11.0 2.0 2.4 2.0 DAY 2 27 7 7 31 1 27 27 5 29 29 20 MAXIMUM AIR TEMPERATURE (C) 18.6 19.1 22.3 28.9 33.6 38.8 41.6 39.2 35.7 29.7 25.1 14.7 28.9 DAYS WITH MAXIMUM TEMP. >=30 0 0 1 14 29 29 31 31 30 15 3 0 183 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 25.4 26.0 31.0 34.6 39.0 44.0 44.5 41.8 39.0 36.6 31.8 18.4 44.5 DAY 18 6 26 20 7 16 7 23 11 5 3 4 DIF. BETWEEN (MAX.-MIN.) (C) 11.8 10.3 11.3 12.5 11.9 12.3 11.8 11.9 12.8 11.8 12.7 9.0 11.6 MEAN DAILY TEMP. (MDT) (C) 12.7 13.9 16.6 22.6 27.7 32.7 35.7 33.3 29.3 23.8 18.8 10.2 23.1 COOLING DEG. DAYS(BASE 21 0C) 0.0 1.0 7.1 69.7 206.6 350.8 456.5 379.8 248.9 108.1 19.4 0.0 1847.9 HEATING DEG. DAYS(BASE 18 0C) 164.9 122.0 71.5 4.6 0.0 0.0 0.0 0.0 0.0 2.1 41.9 241.5 648.5 DEWPOINT (MEAN C) -0.7 -1.2 -0.5 3.7 0.0 2.6 4.6 -0.4 -2.2 -1.0 -8.4 -0.4 -0.3 MIXING RATIO (G/KG) 4.17 4.17 4.56 5.91 4.73 5.42 6.44 4.44 4.06 4.31 2.53 4.32 4.59 VAPOUR PRESSURE (HPA) 5.97 5.94 6.49 8.39 6.71 7.66 9.03 6.27 5.77 6.16 3.62 6.19 6.52 SATURATION DEF. (HPA) 8.91 10.50 13.04 19.89 31.88 44.42 51.72 46.52 35.69 24.50 18.27 6.32 25.97 RELATIVE HUMIDITY (MEAN %) 43 38 36 34 20 17 16 12 15 23 18 53 27 RELATIVE HUMIDITY (MAX. %) 60 54 53 49 30 26 23 19 31 41 29 70 40 RELATIVE HUMIDITY (MIN. %) 29 24 22 20 11 10 10 8 8 13 9 38 17 RELATIVE HUMIDITY (MEAN% 03UTC) 51 47 46 42 25 22 19 16 20 32 21 62 34 RELATIVE HUMIDITY (MEAN% 09UTC) 32 27 25 24 12 11 12 9 9 13 10 40 19 RELATIVE HUMIDITY (MEAN% 15UTC) 40 35 31 30 18 14 13 11 13 20 21 48 25 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 0.5 1.5 11.0 43.0 20.0 3.6 0.0 0.0 0.0 2.0 0.0 6.5 88.1 DAYS WITH PRECIPITATION >=10 0 0 0 2 1 0 0 0 0 0 0 0 3 DAYS WITH PRECIPITATION >= 5 0 0 1 3 1 0 0 0 0 0 0 0 5 DAYS WITH PRECIPITATION >= 1 0 0 2 5 3 1 0 0 0 2 0 2 15 DAYS WITH PRECIPITATION 2 3 2 5 3 2 0 0 0 2 0 4 23 GREATEST DAILY PRECIPITATION 0.3 0.5 8.0 17.0 14.0 3.0 0.0 0.0 0.0 1.0 0.0 3.5 17.0 DAY 13 9 14 7 31 1 ** ** ** 23 ** 12 DAY WITH THUNDER STORM 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 1 1 DAYS WITH DUST 3 3 2 0 3 3 2 4 6 3 4 0 33 WIND DIRECTION (PREVAILING) 270 270 270 270 270 270 270 270 270 270 270 45 270 PREVAILING WIND SPEED(KNOTS) 10.0 11.5 10.3 11.9 12.1 12.4 11.4 11.5 10.9 10.8 9.9 7.1 11.1 PREVAILING WIND PERCENT 21.0 21.0 18.1 21.3 17.7 18.3 14.9 17.7 21.3 15.7 22.9 5.6 17.7 CALMS PERCENT OF WIND 54.8 50.4 46.8 36.3 41.5 51.3 54.4 40.7 45.8 52.0 40.4 75.8 49.2 NO. OF WIND OBSERVATION 248 224 248 240 248 240 248 248 240 248 240 248 2920 VECTOR WIND DIRECTION (MEAN) 299 295 304 307 324 320 323 331 317 319 308 29 316 VECTOR WIND MAGNITUDE(KNOTS) 1.5 2.4 2.5 3.7 4.1 3.3 2.8 4.5 3.4 2.2 3.2 0.4 2.8 WIND STEADINESES (MEAN %) 33.3 46.2 44.6 52.1 59.4 55.9 54.9 68.2 60.7 48.9 57.1 21.1 51.9 WIND SPEED (MEAN KNOTS) 4.5 5.2 5.6 7.1 6.9 5.9 5.1 6.6 5.6 4.5 5.6 1.9 5.4 FASTEST WIND DIRECTION 270 270 330 330 30 270 40 360 180 310 360 220 330 FASTEST WIND SPEED (KNOTS) 29 29 39 39 29 39 19 23 23 19 23 14 39 DAY 18 5 27 29 18 22 18 3 17 13 26 4 DAYS WITH SKY CLEAR (0-2)/8 24 14 16 18 26 28 28 30 29 28 29 11 281 DAYS WITH P.CLOUDY (3-6)/8 6 11 8 10 5 2 3 1 1 3 1 10 61 DAYS WITH CLOUDY (7-8)/8 1 3 7 2 0 0 0 0 0 0 0 10 23 DAYS WITH VISIBILITY =< 2 KM 0 0 1 0 0 0 0 0 0 0 0 0 1 DURATION OF SUNSHINE HOURS 269.9 203.8 226.7 175.1 295.6 ****** ****** 339.4 304.7 306.3 289.2 169.7 ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1995 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 897.4 894.7 893.6 891.9 891.4 886.3 881.6 885.8 890.6 895.3 896.4 898.3 891.9 MAX. QFE PRESSURE IN HPA 904.0 899.9 901.7 898.6 898.2 894.9 886.5 890.0 895.5 903.4 903.8 904.0 904.0 DAY-HOUR 7- 6 26- 6 3- 6 10- 6 26-18 1-12 28- 6 25- 6 22- 6 26-18 28- 6 11- 6 MIN. QFE PRESSURE IN HPA 889.1 886.2 883.9 886.3 883.5 879.7 876.5 880.2 886.1 889.3 887.2 891.3 876.5 DAY-HOUR 1-12 24-12 27-12 25-12 14-12 17-15 16-15 3-15 19-12 7-12 26- 0 25-12 MEAN QNH PRESSURE IN HPA 1019.5 1016.6 1015.4 1013.4 1012.9 1007.2 1002.0 1006.7 1012.0 1017.2 1018.4 1020.6 1013.5 MAX. QNH PRESSURE IN HPA 1026.9 1022.3 1024.3 1020.9 1020.4 1016.8 1007.4 1011.3 1017.4 1026.2 1026.6 1026.9 1026.9 DAY-HOUR 7- 6 26- 6 3- 6 10- 6 26-18 1-12 28- 6 25- 6 22- 6 26-18 28- 6 11- 6 MIN. QNH PRESSURE IN HPA 1010.3 1007.1 1004.6 1007.2 1004.1 999.9 996.3 1000.5 1007.0 1010.6 1008.2 1012.8 996.3 DAY-HOUR 1-12 24-12 27-12 25-12 14-12 17-15 16-15 3-15 19-12 7-12 26- 0 25-12 MEAN QFF PRESSURE IN HPA 1017.6 1013.9 1011.6 1006.9 1004.2 996.5 990.0 995.8 1003.0 1010.4 1014.1 1019.7 1007.0 MAX. QFF PRESSURE IN HPA 1025.8 1023.2 1021.9 1015.1 1012.9 1011.1 996.9 1000.4 1010.2 1022.1 1027.1 1026.7 1027.1 DAY-HOUR 7- 6 26- 6 3- 6 10- 6 27- 3 1-12 28- 3 11- 6 22- 6 27- 3 28- 6 11- 6 MIN. QFF PRESSURE IN HPA 1007.4 1002.5 997.2 1000.5 994.3 987.7 983.4 989.4 997.1 1001.3 1002.7 1010.8 983.4 DAY-HOUR 1-12 24-12 27-12 15-15 14-12 17-12 17- 0 3-15 19-12 7-12 26- 0 25-12 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 897.0 894.2 893.0 891.4 891.1 886.1 881.3 885.5 890.3 895.0 895.9 897.7 891.6 MAX. QFE PRESSURE IN HPA 901.6 897.5 899.0 895.0 896.5 891.9 885.2 888.3 893.6 902.1 902.1 902.0 902.1 DAY 8 1 3 11 27 2 29 11 13 27 28 11 MIN. QFE PRESSURE IN HPA 891.8 887.5 885.4 886.9 885.9 880.9 876.5 882.1 887.1 890.0 887.2 893.3 876.5 DAY 26 24 27 16 11 18 17 3 5 13 26 6 MEAN QNH PRESSURE IN HPA 1019.1 1016.0 1014.7 1012.8 1012.6 1007.0 1001.7 1006.4 1011.7 1016.9 1017.9 1019.9 1013.1 MAX. QNH PRESSURE IN HPA 1024.2 1019.6 1021.3 1016.9 1018.5 1013.4 1006.0 1009.4 1015.3 1024.8 1024.8 1024.6 1024.8 DAY 8 1 3 11 27 2 29 11 13 27 28 11 MIN. QNH PRESSURE IN HPA 1013.3 1008.6 1006.2 1007.9 1006.8 1001.2 996.3 1002.6 1008.1 1011.3 1008.2 1015.0 996.3 DAY 26 24 27 16 11 18 17 3 5 13 26 6 MEAN QFF PRESSURE IN HPA 1017.0 1013.1 1010.8 1006.3 1004.0 996.5 989.6 995.5 1002.5 1009.9 1013.2 1018.7 1006.4 MAX. QFF PRESSURE IN HPA 1023.8 1019.0 1018.8 1012.3 1012.0 1007.8 995.1 999.0 1008.0 1020.0 1025.4 1024.5 1025.4 DAY 8 26 3 8 27 2 29 11 23 27 28 11 MIN. QFF PRESSURE IN HPA 1010.3 1003.4 998.4 1000.6 997.7 988.7 983.4 991.4 998.6 1002.1 1002.7 1011.7 983.4 DAY 13 24 27 16 14 18 17 3 1 13 26 5 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 897.7 895.1 894.0 892.6 892.2 887.4 882.4 886.7 891.5 896.0 897.0 898.8 892.6 MAX. QFE PRESSURE IN HPA 902.1 898.3 900.0 896.3 897.2 893.7 886.2 889.3 894.6 903.0 902.4 902.8 903.0 DAY 8 14 3 1 27 2 29 25 13 27 28 11 MIN. QFE PRESSURE IN HPA 892.5 888.0 886.4 888.3 886.9 882.4 878.4 883.1 888.5 890.8 887.6 893.9 878.4 DAY 26 24 27 16 11 23 17 3 20 13 26 6 MEAN QNH PRESSURE IN HPA 1019.9 1017.0 1015.8 1014.3 1013.8 1008.5 1002.9 1007.7 1013.0 1018.0 1019.1 1021.1 1014.2 MAX. QNH PRESSURE IN HPA 1024.8 1020.5 1022.4 1018.3 1019.3 1015.4 1007.1 1010.6 1016.4 1025.7 1025.1 1025.5 1025.7 DAY 8 14 3 1 27 2 29 25 13 27 28 11 MIN. QNH PRESSURE IN HPA 1014.1 1009.1 1007.3 1009.4 1007.9 1002.9 998.5 1003.7 1009.7 1012.2 1008.7 1015.7 998.5 DAY 26 24 27 16 11 23 17 3 20 13 26 6 MEAN QFF PRESSURE IN HPA 1018.6 1014.8 1012.6 1008.3 1005.6 998.2 991.2 997.2 1004.5 1011.9 1015.6 1020.7 1008.3 MAX. QFF PRESSURE IN HPA 1025.1 1020.6 1020.7 1014.1 1012.9 1008.9 996.9 1000.1 1009.4 1022.1 1026.6 1025.7 1026.6 DAY 8 26 3 1 27 2 28 11 23 27 28 11 MIN. QFF PRESSURE IN HPA 1011.1 1004.4 999.8 1002.9 999.1 991.1 986.1 992.6 1000.1 1004.2 1004.1 1013.8 986.1 DAY 13 24 27 16 11 17 17 3 20 13 26 6 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1995 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 899.3 896.4 895.3 893.7 893.0 888.0 883.1 887.2 892.2 896.9 898.1 900.1 893.6 MAX. QFE PRESSURE IN HPA 904.0 899.9 901.7 898.6 897.4 894.1 886.5 890.0 895.5 903.4 903.8 904.0 904.0 DAY 7 26 3 10 27 2 28 25 22 27 28 11 MIN. QFE PRESSURE IN HPA 894.7 889.2 886.4 889.9 887.8 882.7 878.7 883.4 889.5 891.9 888.2 893.9 878.7 DAY 13 24 27 16 14 23 17 3 5 13 26 6 MEAN QNH PRESSURE IN HPA 1021.6 1018.4 1017.2 1015.4 1014.6 1009.1 1003.6 1008.2 1013.8 1019.0 1020.3 1022.5 1015.3 MAX. QNH PRESSURE IN HPA 1026.9 1022.3 1024.3 1020.9 1019.5 1015.9 1007.4 1011.3 1017.4 1026.2 1026.6 1026.9 1026.9 DAY 7 26 3 10 27 2 28 25 22 27 28 11 MIN. QNH PRESSURE IN HPA 1016.5 1010.4 1007.3 1011.2 1008.9 1003.2 998.8 1004.0 1010.8 1013.4 1009.3 1015.7 998.8 DAY 13 24 27 16 14 23 17 3 5 13 26 6 MEAN QFF PRESSURE IN HPA 1019.8 1015.7 1013.4 1008.8 1005.8 998.3 991.6 997.1 1004.6 1012.0 1015.9 1021.6 1008.7 MAX. QFF PRESSURE IN HPA 1025.8 1023.2 1021.9 1015.1 1012.1 1008.5 996.7 1000.4 1010.2 1021.6 1027.1 1026.7 1027.1 DAY 7 26 3 10 27 2 28 11 22 27 28 11 MIN. QFF PRESSURE IN HPA 1012.5 1005.2 999.7 1003.9 999.4 990.7 986.2 992.8 1000.7 1004.2 1004.3 1013.3 986.2 DAY 13 24 27 16 14 17 17 3 19 13 26 6 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 897.1 894.5 893.8 892.1 891.6 886.8 882.0 886.0 890.7 895.0 896.0 898.2 892.0 MAX. QFE PRESSURE IN HPA 901.9 897.9 900.1 896.9 897.0 893.3 886.1 889.0 894.3 901.0 901.0 902.1 902.1 DAY 7 14 3 10 26 2 28 25 13 26 28 11 MIN. QFE PRESSURE IN HPA 890.8 888.0 884.9 887.4 886.1 882.2 878.2 882.5 888.1 890.4 887.6 892.0 878.2 DAY 1 24 27 16 14 17 17 8 5 13 26 25 MEAN QNH PRESSURE IN HPA 1019.2 1016.3 1015.6 1013.7 1013.1 1007.7 1002.5 1006.9 1012.1 1016.9 1018.0 1020.4 1013.5 MAX. QNH PRESSURE IN HPA 1024.5 1020.1 1022.5 1019.0 1019.1 1015.0 1007.0 1010.2 1016.1 1023.5 1023.5 1024.8 1024.8 DAY 7 14 3 10 26 2 28 25 13 26 28 11 MIN. QNH PRESSURE IN HPA 1012.2 1009.1 1005.7 1008.4 1007.0 1002.7 998.2 1003.0 1009.2 1011.8 1008.7 1013.5 998.2 DAY 1 24 27 16 14 17 17 8 5 13 26 25 MEAN QFF PRESSURE IN HPA 1016.7 1013.3 1011.5 1006.9 1004.2 996.9 990.4 995.9 1002.7 1009.7 1013.1 1019.1 1006.7 MAX. QFF PRESSURE IN HPA 1023.1 1019.9 1020.8 1013.6 1011.0 1007.3 995.9 999.1 1007.0 1018.3 1023.4 1024.5 1024.5 DAY 7 26 6 10 26 2 28 25 23 27 28 11 MIN. QFF PRESSURE IN HPA 1009.1 1004.1 998.2 1001.4 997.2 989.7 985.7 992.1 999.2 1002.7 1004.1 1011.2 985.7 DAY 1 24 27 16 14 17 17 8 1 13 26 25 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 896.0 893.2 892.2 890.4 890.1 885.3 880.5 884.6 889.3 894.0 895.0 897.2 890.6 MAX. QFE PRESSURE IN HPA 901.2 896.7 898.7 895.3 897.2 894.9 884.9 887.3 892.8 900.2 899.7 901.4 901.4 DAY 7 14 3 7 26 1 28 25 13 26 28 10 MIN. QFE PRESSURE IN HPA 889.1 886.2 883.9 886.3 883.5 879.8 876.7 880.6 886.1 889.3 888.8 891.3 876.7 DAY 1 24 27 25 14 17 16 3 19 7 26 25 MEAN QNH PRESSURE IN HPA 1018.0 1014.9 1013.8 1011.7 1011.4 1006.1 1000.8 1005.3 1010.6 1015.8 1016.8 1019.3 1012.0 MAX. QNH PRESSURE IN HPA 1023.7 1018.8 1021.0 1017.2 1019.3 1016.8 1005.7 1008.3 1014.4 1022.6 1022.1 1024.0 1024.0 DAY 7 14 3 7 26 1 28 25 13 26 28 10 MIN. QNH PRESSURE IN HPA 1010.3 1007.1 1004.6 1007.2 1004.1 1000.0 996.6 1000.9 1007.0 1010.6 1010.0 1012.8 996.6 DAY 1 24 27 25 14 17 16 3 19 7 26 25 MEAN QFF PRESSURE IN HPA 1015.8 1012.0 1009.8 1005.2 1002.9 995.5 988.8 994.5 1001.4 1008.8 1012.3 1018.2 1005.4 MAX. QFF PRESSURE IN HPA 1023.0 1016.9 1019.1 1013.8 1011.8 1011.1 995.1 997.5 1006.2 1017.6 1022.4 1023.6 1023.6 DAY 7 26 6 7 26 1 28 10 22 27 28 10 MIN. QFF PRESSURE IN HPA 1007.4 1002.5 997.2 1000.9 994.3 987.7 984.1 989.9 997.1 1001.3 1005.4 1010.8 984.1 DAY 1 24 27 15 14 17 16 3 19 7 6 25 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1995 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 897.1 894.3 893.0 890.8 890.3 885.0 880.5 884.8 889.8 894.6 896.1 898.2 891.2 MAX. QFE PRESSURE IN HPA 902.5 897.4 899.1 895.4 897.2 892.9 884.9 887.3 893.6 902.0 901.2 902.6 902.6 DAY 7 14 3 7 26 1 28 10 13 26 27 10 MIN. QFE PRESSURE IN HPA 890.8 889.5 885.4 886.6 883.6 879.7 876.5 880.2 886.9 889.5 890.9 892.3 876.5 DAY 1 23 26 15 14 17 16 3 19 13 25 4 MEAN QNH PRESSURE IN HPA 1019.2 1016.1 1014.7 1012.3 1011.6 1005.8 1000.8 1005.5 1011.1 1016.5 1018.1 1020.5 1012.7 MAX. QNH PRESSURE IN HPA 1025.2 1019.5 1021.4 1017.3 1019.3 1014.5 1005.7 1008.3 1015.3 1024.6 1023.7 1025.3 1025.3 DAY 7 14 3 7 26 1 28 10 13 26 27 10 MIN. QNH PRESSURE IN HPA 1012.2 1010.8 1006.2 1007.6 1004.2 999.9 996.3 1000.5 1007.9 1010.8 1012.3 1013.9 996.3 DAY 1 23 26 15 14 17 16 3 19 13 25 4 MEAN QFF PRESSURE IN HPA 1017.8 1014.0 1011.4 1006.2 1003.4 995.3 989.1 995.0 1002.6 1010.4 1014.6 1020.1 1006.7 MAX. QFF PRESSURE IN HPA 1025.0 1018.7 1020.1 1014.5 1012.2 1008.0 995.4 998.2 1007.6 1020.2 1024.1 1025.6 1025.6 DAY 7 14 6 7 26 1 28 10 22 26 27 11 MIN. QFF PRESSURE IN HPA 1008.8 1006.1 999.0 1000.5 995.6 988.0 984.1 989.4 998.7 1002.9 1007.8 1012.3 984.1 DAY 1 9 26 15 14 17 16 3 19 13 5 4 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 897.9 895.4 894.2 892.0 891.5 886.0 881.6 886.0 890.9 895.8 896.8 898.8 892.2 MAX. QFE PRESSURE IN HPA 903.3 898.6 900.0 896.2 898.2 893.3 885.7 888.6 894.4 903.4 902.6 903.2 903.4 DAY 7 14 2 10 26 1 28 18 22 26 27 10 MIN. QFE PRESSURE IN HPA 893.0 889.9 887.0 886.4 885.4 880.5 877.2 882.0 888.4 890.5 889.7 893.6 877.2 DAY 22 23 26 24 14 17 16 3 4 12 25 4 MEAN QNH PRESSURE IN HPA 1020.1 1017.3 1016.0 1013.6 1013.0 1006.9 1002.0 1006.9 1012.3 1017.7 1018.9 1021.1 1013.8 MAX. QNH PRESSURE IN HPA 1026.1 1020.9 1022.4 1018.2 1020.4 1015.0 1006.6 1009.8 1016.2 1026.2 1025.3 1026.0 1026.2 DAY 7 14 2 10 26 1 28 18 22 26 27 10 MIN. QNH PRESSURE IN HPA 1014.7 1011.2 1008.0 1007.3 1006.2 1000.8 997.1 1002.5 1009.6 1011.9 1011.0 1015.3 997.1 DAY 22 23 26 24 14 17 16 3 4 12 25 4 MEAN QFF PRESSURE IN HPA 1018.2 1014.6 1012.0 1006.9 1004.1 996.0 989.9 995.8 1003.1 1010.7 1014.6 1020.2 1007.2 MAX. QFF PRESSURE IN HPA 1025.0 1019.5 1020.3 1014.1 1012.5 1007.7 995.9 998.8 1008.6 1020.8 1025.8 1025.6 1025.8 DAY 7 14 2 7 26 1 26 10 22 26 27 10 MIN. QFF PRESSURE IN HPA 1010.1 1005.8 1000.3 1001.2 997.0 988.1 984.4 991.5 999.6 1002.6 1006.6 1011.8 984.4 DAY 22 23 26 15 14 17 16 3 19 12 25 4 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 897.4 894.8 893.7 891.9 891.5 885.8 881.5 885.8 890.6 895.3 896.3 898.0 891.9 MAX. QFE PRESSURE IN HPA 902.4 898.2 899.5 896.2 897.0 892.7 885.3 888.6 893.6 902.6 902.3 902.3 902.6 DAY 7 14 2 10 26 1 28 18 12 26 27 10 MIN. QFE PRESSURE IN HPA 891.8 888.7 885.9 887.2 885.9 880.9 876.5 882.0 888.0 890.3 888.3 893.5 876.5 DAY 25 23 26 24 10 17 16 3 4 12 25 4 MEAN QNH PRESSURE IN HPA 1019.6 1016.7 1015.4 1013.4 1013.0 1006.7 1001.9 1006.7 1012.0 1017.2 1018.3 1020.2 1013.4 MAX. QNH PRESSURE IN HPA 1025.1 1020.4 1021.9 1018.2 1019.1 1014.3 1006.1 1009.8 1015.3 1025.3 1025.0 1025.0 1025.3 DAY 7 14 2 10 26 1 28 18 12 26 27 10 MIN. QNH PRESSURE IN HPA 1013.3 1009.9 1006.8 1008.2 1006.8 1001.2 996.3 1002.5 1009.1 1011.7 1009.4 1015.2 996.3 DAY 25 23 26 24 10 17 16 3 4 12 25 4 MEAN QFF PRESSURE IN HPA 1017.1 1013.7 1011.2 1006.5 1004.0 995.7 989.7 995.7 1002.5 1010.0 1013.5 1018.9 1006.5 MAX. QFF PRESSURE IN HPA 1023.5 1018.9 1019.6 1013.5 1011.3 1007.1 995.5 998.9 1007.6 1020.2 1024.9 1024.5 1024.9 DAY 7 14 2 7 26 1 26 10 22 26 27 10 MIN. QFF PRESSURE IN HPA 1010.3 1004.1 998.7 1001.1 997.5 988.6 983.5 991.3 998.8 1002.5 1004.2 1011.5 983.5 DAY 25 23 26 15 14 30 16 2 26 6 25 4 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1996 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 8.5 14.0 17.2 23.4 27.8 33.2 32.5 32.0 30.5 23.1 15.0 12.3 22.5 MINIMUN AIR TEMPERATURE (C) 4.4 8.7 12.6 17.4 21.9 27.5 27.2 26.0 24.1 17.3 9.8 6.7 17.0 DAYS WITH MINIMUM TEMP. >=21 0 0 0 6 19 28 31 31 29 4 0 0 148 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 4 0 0 0 0 0 0 0 0 0 0 0 4 TEMPERATURE RECORDS LOWEST(C) -3.8 2.2 8.0 8.2 16.2 20.4 24.6 22.4 19.8 10.4 3.2 2.4 -3.8 DAY 16 25 16 6 1 19 6 31 1 21 14 3 MAXIMUM AIR TEMPERATURE (C) 13.3 20.2 22.5 29.8 34.1 38.7 37.3 37.7 37.4 30.0 21.3 19.7 28.5 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 19 28 30 31 31 30 21 0 0 190 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 23.0 28.0 28.4 37.4 40.4 43.2 42.0 40.0 41.4 34.2 28.0 26.2 43.2 DAY 7 10 23 25 31 6 8 8 9 14 7 15 DIF. BETWEEN (MAX.-MIN.) (C) 8.9 11.5 9.9 12.4 12.2 11.2 10.1 11.7 13.3 12.7 11.5 13.0 11.5 MEAN DAILY TEMP. (MDT) (C) 8.8 14.5 17.5 23.6 28.0 33.1 32.2 31.8 30.7 23.7 15.5 13.2 22.7 COOLING DEG. DAYS(BASE 21 0C) 0.0 1.1 3.9 104.4 216.5 363.1 348.5 335.6 291.3 96.2 0.0 0.0 1760.6 HEATING DEG. DAYS(BASE 18 0C) 284.5 111.1 47.3 12.1 0.0 0.0 0.0 0.0 0.0 1.0 95.9 149.0 700.9 DEWPOINT (MEAN C) -1.8 0.1 4.1 0.7 4.8 3.9 1.9 -0.5 0.3 -3.5 -5.5 -6.9 -0.2 MIXING RATIO (G/KG) 3.85 4.55 6.02 4.89 6.29 6.09 5.05 4.30 4.66 3.69 2.95 2.65 4.58 VAPOUR PRESSURE (HPA) 5.52 6.49 8.54 6.94 8.92 8.59 7.14 6.08 6.60 5.27 4.24 3.82 6.51 SATURATION DEF. (HPA) 6.29 10.27 11.81 23.42 29.88 43.82 42.62 42.66 38.70 24.31 13.72 11.17 24.89 RELATIVE HUMIDITY (MEAN %) 53 44 46 26 26 17 15 13 16 19 26 28 27 RELATIVE HUMIDITY (MAX. %) 72 65 67 39 39 26 20 18 22 29 37 40 40 RELATIVE HUMIDITY (MIN. %) 36 26 29 15 15 12 10 8 10 10 17 16 17 RELATIVE HUMIDITY (MEAN% 03UTC) 65 54 58 34 32 23 18 17 20 24 31 34 34 RELATIVE HUMIDITY (MEAN% 09UTC) 40 30 34 18 16 13 12 10 10 12 18 17 19 RELATIVE HUMIDITY (MEAN% 15UTC) 50 38 42 22 24 15 12 11 15 18 26 28 25 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 27.2 19.5 16.0 6.1 12.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 81.4 DAYS WITH PRECIPITATION >=10 1 1 0 0 0 0 0 0 0 0 0 0 2 DAYS WITH PRECIPITATION >= 5 1 2 1 0 0 0 0 0 0 0 0 0 4 DAYS WITH PRECIPITATION >= 1 4 4 4 2 4 0 0 0 0 0 0 0 18 DAYS WITH PRECIPITATION 7 5 11 3 5 0 0 0 0 0 0 0 31 GREATEST DAILY PRECIPITATION 15.0 10.0 8.0 4.3 4.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 15.0 DAY 12 13 13 16 9 ** ** ** ** ** ** ** DAY WITH THUNDER STORM 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH SNOW OR SLEET 2 0 0 0 0 0 0 0 0 0 0 0 2 DAYS WITH DUST 0 1 0 1 2 2 7 3 1 2 1 0 20 WIND DIRECTION (PREVAILING) 270 270 270 270 270 360 360 360 270 270 270 270 270 PREVAILING WIND SPEED(KNOTS) 10.4 10.5 11.5 10.0 10.9 11.2 12.1 11.6 11.4 11.3 9.8 8.7 10.6 PREVAILING WIND PERCENT 11.3 13.4 13.7 17.9 23.8 22.5 43.1 25.8 25.8 25.8 13.3 15.3 16.9 CALMS PERCENT OF WIND 64.1 52.2 52.4 40.4 36.3 30.4 25.0 28.6 28.8 34.3 57.9 58.5 42.4 NO. OF WIND OBSERVATION 248 232 248 240 248 240 248 248 240 248 240 248 2928 VECTOR WIND DIRECTION (MEAN) 341 289 285 311 306 333 348 333 315 316 339 315 323 VECTOR WIND MAGNITUDE(KNOTS) 1.2 2.1 1.9 3.3 4.3 4.0 6.6 5.7 5.7 4.0 2.1 1.4 3.4 WIND STEADINESES (MEAN %) 36.4 42.9 39.6 56.9 65.2 52.6 79.5 74.0 73.1 57.1 52.5 40.0 56.7 WIND SPEED (MEAN KNOTS) 3.3 4.9 4.8 5.8 6.6 7.6 8.3 7.7 7.8 7.0 4.0 3.5 6.0 FASTEST WIND DIRECTION 320 240 240 360 310 180 360 20 280 30 10 50 240 FASTEST WIND SPEED (KNOTS) 19 39 35 23 29 29 23 23 19 23 19 16 39 DAY 7 5 8 28 25 9 25 14 4 31 20 1 DAYS WITH SKY CLEAR (0-2)/8 19 12 4 16 18 20 29 31 30 29 24 27 259 DAYS WITH P.CLOUDY (3-6)/8 6 12 18 12 12 7 2 0 0 2 6 4 81 DAYS WITH CLOUDY (7-8)/8 6 5 9 2 1 3 0 0 0 0 0 0 26 DAYS WITH VISIBILITY =< 2 KM 0 0 0 0 0 0 0 0 0 0 0 0 0 DURATION OF SUNSHINE HOURS 218.3 205.2 176.5 261.4 275.0 304.9 358.7 351.6 325.4 308.7 274.5 287.4 3347.6 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1996 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 897.2 893.6 891.8 892.3 891.3 886.6 886.4 887.4 889.1 895.2 898.9 898.8 892.4 MAX. QFE PRESSURE IN HPA 904.2 900.3 897.7 900.6 896.7 890.7 893.8 893.4 896.4 902.0 909.8 906.2 909.8 DAY-HOUR 27- 6 14- 6 1- 6 7- 6 3- 6 1- 3 4- 6 30- 6 25- 6 19- 6 19- 6 8- 6 MIN. QFE PRESSURE IN HPA 890.1 885.3 884.8 885.6 885.3 882.6 882.5 882.2 881.2 887.6 891.4 889.5 881.2 DAY-HOUR 13- 0 5- 9 14-12 10-12 30- 0 5-21 25-12 7-12 20-12 6-12 29- 0 15-12 MEAN QNH PRESSURE IN HPA 1019.3 1015.4 1013.3 1013.9 1012.8 1007.6 1007.3 1008.4 1010.3 1017.1 1021.2 1021.1 1014.0 MAX. QNH PRESSURE IN HPA 1027.1 1022.8 1019.9 1023.1 1018.8 1012.1 1015.5 1015.1 1018.4 1024.6 1033.3 1029.3 1033.3 DAY-HOUR 27- 6 14- 6 1- 6 7- 6 3- 6 1- 3 4- 6 30- 6 25- 6 19- 6 19- 6 8- 6 MIN. QNH PRESSURE IN HPA 1011.4 1006.1 1005.6 1006.4 1006.1 1003.1 1003.0 1002.7 1001.6 1008.7 1012.9 1010.8 1001.6 DAY-HOUR 13- 0 5- 9 14-12 10-12 30- 0 5-21 25-12 7-12 20-12 6-12 29- 0 15-12 MEAN QFF PRESSURE IN HPA 1019.0 1012.6 1009.0 1007.1 1004.1 996.7 996.7 998.1 1000.6 1010.5 1018.2 1019.3 1007.6 MAX. QFF PRESSURE IN HPA 1027.8 1023.2 1017.6 1020.0 1012.0 1001.5 1004.8 1006.0 1009.6 1020.7 1033.2 1028.9 1033.2 DAY-HOUR 27- 6 14- 3 1- 6 7- 6 3- 6 1- 3 4- 6 31- 3 26- 6 21- 6 19- 6 8- 6 MIN. QFF PRESSURE IN HPA 1008.1 1003.0 1001.2 998.2 996.2 990.1 992.2 992.0 990.6 1000.8 1008.1 1006.9 990.1 DAY-HOUR 7- 0 5- 6 14-12 25-12 29-21 5-21 29-12 7-12 20-12 6-12 10- 0 15-12 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 896.6 893.3 891.0 891.7 891.0 886.2 886.1 887.1 888.8 894.8 898.5 898.5 892.0 MAX. QFE PRESSURE IN HPA 901.7 898.7 895.4 898.0 894.8 889.4 892.1 891.6 894.2 901.0 908.0 903.6 908.0 DAY 27 14 30 8 4 1 4 31 26 20 19 8 MIN. QFE PRESSURE IN HPA 890.1 887.5 886.7 886.2 885.3 882.8 883.3 883.9 883.0 888.9 891.4 893.3 882.8 DAY 13 6 14 11 30 6 28 9 20 6 29 15 MEAN QNH PRESSURE IN HPA 1018.6 1015.0 1012.5 1013.2 1012.4 1007.1 1007.0 1008.1 1010.0 1016.7 1020.8 1020.8 1013.5 MAX. QNH PRESSURE IN HPA 1024.3 1021.0 1017.3 1020.2 1016.7 1010.7 1013.7 1013.1 1016.0 1023.5 1031.3 1026.4 1031.3 DAY 27 14 30 8 4 1 4 31 26 20 19 8 MIN. QNH PRESSURE IN HPA 1011.4 1008.6 1007.7 1007.1 1006.1 1003.3 1003.9 1004.6 1003.6 1010.1 1012.9 1015.0 1003.3 DAY 13 6 14 11 30 6 28 9 20 6 29 15 MEAN QFF PRESSURE IN HPA 1018.1 1012.0 1008.0 1006.3 1003.8 996.3 996.4 997.7 1000.2 1009.8 1017.4 1018.6 1007.0 MAX. QFF PRESSURE IN HPA 1025.1 1021.7 1013.5 1016.8 1009.8 999.4 1002.6 1003.9 1007.1 1019.0 1031.0 1025.7 1031.0 DAY 28 14 30 7 4 1 4 31 26 20 19 4 MIN. QFF PRESSURE IN HPA 1008.1 1005.1 1002.5 999.0 996.4 990.7 992.8 993.4 992.5 1002.1 1008.1 1011.8 990.7 DAY 7 6 27 11 30 6 12 9 20 7 10 30 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 897.2 894.1 892.2 893.0 892.2 887.6 887.5 888.3 889.9 895.9 899.5 899.3 893.1 MAX. QFE PRESSURE IN HPA 902.1 899.9 896.2 898.8 895.9 890.7 893.1 892.6 895.3 901.2 908.8 905.1 908.8 DAY 28 14 30 7 7 1 4 30 25 20 19 8 MIN. QFE PRESSURE IN HPA 890.6 886.5 887.0 887.7 887.5 884.4 884.2 885.1 884.5 890.0 893.0 893.3 884.2 DAY 13 5 14 11 29 6 7 14 21 6 29 15 MEAN QNH PRESSURE IN HPA 1019.3 1015.9 1013.7 1014.6 1013.8 1008.7 1008.5 1009.4 1011.2 1017.8 1021.9 1021.7 1014.7 MAX. QNH PRESSURE IN HPA 1024.8 1022.3 1018.2 1021.1 1017.9 1012.1 1014.8 1014.2 1017.2 1023.7 1032.2 1028.1 1032.2 DAY 28 14 30 7 7 1 4 30 25 20 19 8 MIN. QNH PRESSURE IN HPA 1012.0 1007.4 1008.0 1008.8 1008.6 1005.1 1004.9 1005.9 1005.2 1011.3 1014.7 1015.0 1004.9 DAY 13 5 14 11 29 6 7 14 21 6 29 15 MEAN QFF PRESSURE IN HPA 1019.6 1013.6 1009.9 1008.3 1005.6 998.1 998.2 999.6 1002.2 1012.1 1019.8 1021.0 1009.0 MAX. QFF PRESSURE IN HPA 1026.6 1023.2 1015.4 1018.8 1010.9 1001.5 1004.3 1006.0 1009.0 1020.3 1032.8 1028.6 1032.8 DAY 28 14 30 7 4 1 4 31 26 20 19 8 MIN. QFF PRESSURE IN HPA 1011.6 1004.5 1004.7 1001.8 998.9 992.9 994.6 995.5 995.3 1004.3 1011.1 1012.8 992.9 DAY 7 5 13 11 29 6 7 9 20 6 10 30 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1996 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 898.8 895.3 893.4 894.0 892.9 888.1 887.9 888.8 890.6 896.9 900.6 900.4 894.0 MAX. QFE PRESSURE IN HPA 904.2 900.3 897.7 900.6 896.7 890.6 893.8 893.4 896.4 902.0 909.8 906.2 909.8 DAY 27 14 1 7 3 1 4 30 25 19 19 8 MIN. QFE PRESSURE IN HPA 892.7 885.8 887.7 889.1 888.0 885.2 885.1 885.6 885.7 890.6 894.6 893.5 885.1 DAY 13 5 14 11 29 6 25 8 20 6 29 15 MEAN QNH PRESSURE IN HPA 1021.1 1017.2 1015.1 1015.8 1014.5 1009.2 1009.1 1010.0 1012.0 1018.9 1023.1 1022.9 1015.7 MAX. QNH PRESSURE IN HPA 1027.1 1022.8 1019.9 1023.1 1018.8 1012.0 1015.5 1015.1 1018.4 1024.6 1033.3 1029.3 1033.3 DAY 27 14 1 7 3 1 4 30 25 19 19 8 MIN. QNH PRESSURE IN HPA 1014.3 1006.7 1008.8 1010.3 1009.1 1006.0 1005.9 1006.4 1006.6 1012.0 1016.4 1015.2 1005.9 DAY 13 5 14 11 29 6 25 8 20 6 29 15 MEAN QFF PRESSURE IN HPA 1021.0 1014.4 1010.7 1008.8 1005.6 998.2 998.4 999.4 1002.1 1012.2 1019.9 1021.1 1009.3 MAX. QFF PRESSURE IN HPA 1027.8 1022.4 1017.6 1020.0 1012.0 1001.2 1004.8 1005.3 1009.6 1020.7 1033.2 1028.9 1033.2 DAY 27 24 1 7 3 17 4 31 26 21 19 8 MIN. QFF PRESSURE IN HPA 1013.1 1003.0 1004.2 1002.5 998.6 993.3 994.8 995.4 995.6 1004.5 1012.4 1011.9 993.3 DAY 7 5 14 28 29 6 12 8 20 6 3 15 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 897.1 893.6 892.2 892.6 891.4 887.0 886.7 887.5 889.3 895.1 898.6 898.3 892.4 MAX. QFE PRESSURE IN HPA 902.3 898.5 896.5 899.5 895.7 889.8 891.8 891.9 895.5 900.8 907.2 903.9 907.2 DAY 27 14 1 7 3 28 3 30 25 20 18 8 MIN. QFE PRESSURE IN HPA 891.7 885.3 886.7 888.2 886.4 884.6 883.9 883.9 883.1 889.0 893.1 890.6 883.1 DAY 13 5 14 10 29 6 25 14 20 6 29 15 MEAN QNH PRESSURE IN HPA 1019.2 1015.3 1013.7 1014.2 1012.9 1008.0 1007.7 1008.5 1010.5 1016.9 1020.9 1020.5 1014.0 MAX. QNH PRESSURE IN HPA 1025.0 1020.8 1018.5 1021.9 1017.7 1011.1 1013.3 1013.4 1017.4 1023.3 1030.4 1026.7 1030.4 DAY 27 14 1 7 3 28 3 30 25 20 18 8 MIN. QNH PRESSURE IN HPA 1013.2 1006.1 1007.7 1009.3 1007.3 1005.3 1004.6 1004.6 1003.7 1010.2 1014.8 1012.0 1003.7 DAY 13 5 14 10 29 6 25 14 20 6 29 15 MEAN QFF PRESSURE IN HPA 1018.6 1012.2 1009.2 1007.2 1004.0 997.0 997.1 998.1 1000.5 1009.9 1017.3 1018.1 1007.4 MAX. QFF PRESSURE IN HPA 1025.6 1020.4 1016.2 1018.4 1010.0 1000.7 1002.9 1003.3 1007.9 1018.6 1029.6 1025.7 1029.6 DAY 27 24 1 7 3 28 3 30 25 20 19 8 MIN. QFF PRESSURE IN HPA 1011.0 1003.0 1003.1 1000.3 996.8 992.2 993.4 993.7 992.6 1002.6 1009.8 1007.9 992.2 DAY 7 5 14 25 29 6 29 14 20 6 3 15 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 896.0 892.1 890.6 890.9 890.2 885.4 885.1 886.2 887.8 893.9 897.8 897.4 891.1 MAX. QFE PRESSURE IN HPA 901.0 896.9 895.2 898.1 895.0 888.4 890.6 890.1 894.2 900.2 906.3 902.8 906.3 DAY 28 13 1 7 8 28 3 30 25 20 18 7 MIN. QFE PRESSURE IN HPA 890.4 885.3 884.8 885.6 885.4 882.8 882.5 882.2 881.2 887.6 892.9 889.5 881.2 DAY 12 5 14 10 29 6 25 7 20 6 28 15 MEAN QNH PRESSURE IN HPA 1018.0 1013.7 1012.0 1012.3 1011.5 1006.2 1005.9 1007.1 1008.9 1015.6 1020.0 1019.5 1012.6 MAX. QNH PRESSURE IN HPA 1023.5 1019.0 1017.1 1020.3 1016.9 1009.6 1012.0 1011.4 1016.0 1022.6 1029.4 1025.5 1029.4 DAY 28 13 1 7 8 28 3 30 25 20 18 7 MIN. QNH PRESSURE IN HPA 1011.8 1006.1 1005.6 1006.4 1006.2 1003.3 1003.0 1002.7 1001.6 1008.7 1014.5 1010.8 1001.6 DAY 12 5 14 10 29 6 25 7 20 6 28 15 MEAN QFF PRESSURE IN HPA 1017.5 1010.7 1007.5 1005.4 1002.9 995.3 995.4 996.7 999.0 1008.8 1016.7 1017.2 1006.1 MAX. QFF PRESSURE IN HPA 1024.0 1018.6 1015.2 1016.9 1009.7 998.9 1001.0 1001.9 1006.2 1018.0 1028.6 1024.6 1028.6 DAY 28 13 1 7 8 28 3 31 25 20 18 7 MIN. QFF PRESSURE IN HPA 1009.8 1003.4 1001.2 998.2 996.4 990.6 992.2 992.0 990.6 1000.8 1009.2 1006.9 990.6 DAY 7 5 14 25 29 6 29 7 20 6 9 15 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1996 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 896.9 893.1 891.3 891.4 890.4 885.6 885.2 886.3 888.2 894.5 898.5 898.5 891.7 MAX. QFE PRESSURE IN HPA 901.6 898.1 895.6 898.8 894.5 888.0 890.3 890.6 894.4 900.3 906.5 904.2 906.5 DAY 28 13 1 7 3 12 3 31 25 19 18 7 MIN. QFE PRESSURE IN HPA 891.3 886.3 886.0 886.6 886.4 883.0 882.7 882.2 881.9 888.2 893.1 891.7 881.9 DAY 12 5 14 3 19 19 25 7 20 6 9 15 MEAN QNH PRESSURE IN HPA 1019.0 1014.7 1012.7 1012.9 1011.8 1006.4 1006.0 1007.2 1009.3 1016.4 1020.8 1020.8 1013.2 MAX. QNH PRESSURE IN HPA 1024.2 1020.3 1017.5 1021.1 1016.3 1009.1 1011.7 1012.0 1016.2 1022.8 1029.6 1027.1 1029.6 DAY 28 13 1 7 3 12 3 31 25 19 18 7 MIN. QNH PRESSURE IN HPA 1012.8 1007.2 1006.9 1007.6 1007.3 1003.6 1003.2 1002.7 1002.3 1009.3 1014.8 1013.2 1002.3 DAY 12 5 14 3 19 19 25 7 20 6 9 15 MEAN QFF PRESSURE IN HPA 1019.3 1012.4 1008.8 1006.6 1003.5 995.9 995.7 997.3 1000.2 1010.6 1018.6 1020.0 1007.4 MAX. QFF PRESSURE IN HPA 1025.6 1020.1 1015.6 1018.0 1009.7 998.9 1001.3 1004.1 1007.5 1019.2 1029.4 1027.7 1029.4 DAY 28 13 1 7 3 12 3 31 25 20 18 7 MIN. QFF PRESSURE IN HPA 1011.9 1003.4 1002.2 999.1 997.5 992.1 992.5 992.8 992.6 1002.6 1010.4 1010.7 992.1 DAY 6 5 26 25 19 5 11 7 20 6 9 15 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 897.7 894.2 892.3 892.7 891.5 886.7 886.3 887.7 889.2 895.5 899.1 899.2 892.7 MAX. QFE PRESSURE IN HPA 902.4 899.1 895.6 899.6 895.7 889.2 891.0 892.2 895.2 901.8 907.5 905.2 907.5 DAY 26 8 1 7 3 1 3 31 25 19 18 7 MIN. QFE PRESSURE IN HPA 892.3 888.3 887.9 887.0 886.5 884.1 883.8 884.6 883.4 889.2 892.4 893.5 883.4 DAY 12 5 19 10 29 5 11 8 20 6 28 15 MEAN QNH PRESSURE IN HPA 1019.9 1016.0 1013.8 1014.3 1013.0 1007.7 1007.2 1008.8 1010.4 1017.5 1021.5 1021.6 1014.3 MAX. QNH PRESSURE IN HPA 1025.1 1021.4 1017.5 1022.0 1017.7 1010.4 1012.4 1013.8 1017.1 1024.4 1030.7 1028.2 1030.7 DAY 26 8 1 7 3 1 3 31 25 19 18 7 MIN. QNH PRESSURE IN HPA 1013.9 1009.4 1009.0 1008.0 1007.4 1004.8 1004.4 1005.3 1004.0 1010.4 1014.0 1015.2 1004.0 DAY 12 5 19 10 29 5 11 8 20 6 28 15 MEAN QFF PRESSURE IN HPA 1019.8 1013.0 1009.3 1007.3 1004.0 996.6 996.6 998.3 1000.5 1010.7 1018.4 1019.8 1007.9 MAX. QFF PRESSURE IN HPA 1025.7 1021.2 1015.6 1018.5 1010.8 998.9 1001.6 1005.1 1008.0 1019.7 1030.2 1027.9 1030.2 DAY 27 23 1 7 3 1 3 31 25 19 18 7 MIN. QFF PRESSURE IN HPA 1012.2 1004.4 1002.9 1000.2 997.4 991.9 992.8 994.2 993.0 1002.4 1009.4 1011.3 991.9 DAY 6 5 26 25 29 5 11 8 20 6 9 15 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 897.1 893.7 891.8 892.3 891.2 886.4 886.0 887.4 889.0 895.2 898.7 898.7 892.3 MAX. QFE PRESSURE IN HPA 902.3 898.8 895.3 899.0 896.0 888.6 891.0 891.9 894.5 901.0 907.9 904.4 907.9 DAY 27 8 1 7 3 1 3 31 25 19 18 7 MIN. QFE PRESSURE IN HPA 891.1 888.3 887.3 887.0 885.6 882.6 883.3 883.7 883.0 888.9 891.8 894.5 882.6 DAY 12 5 13 10 29 5 25 13 20 5 28 14 MEAN QNH PRESSURE IN HPA 1019.2 1015.5 1013.4 1013.8 1012.7 1007.3 1006.9 1008.5 1010.2 1017.1 1021.0 1021.0 1013.9 MAX. QNH PRESSURE IN HPA 1025.0 1021.1 1017.2 1021.3 1018.0 1009.8 1012.4 1013.4 1016.3 1023.5 1031.2 1027.3 1031.2 DAY 27 8 1 7 3 1 3 31 25 19 18 7 MIN. QNH PRESSURE IN HPA 1012.5 1009.4 1008.3 1008.0 1006.4 1003.1 1003.9 1004.3 1003.6 1010.1 1013.3 1016.3 1003.1 DAY 12 5 13 10 29 5 25 13 20 5 28 14 MEAN QFF PRESSURE IN HPA 1018.5 1012.3 1008.7 1006.8 1003.5 996.3 996.3 998.1 1000.1 1010.0 1017.5 1018.6 1007.2 MAX. QFF PRESSURE IN HPA 1025.7 1021.0 1015.4 1017.5 1011.1 1000.2 1001.7 1004.6 1006.9 1019.3 1030.4 1026.4 1030.4 DAY 27 23 1 7 3 17 3 31 25 20 18 7 MIN. QFF PRESSURE IN HPA 1010.0 1005.0 1002.8 999.6 996.2 990.1 993.0 993.2 992.1 1002.0 1008.7 1012.4 990.1 DAY 6 5 19 25 29 5 11 13 19 6 9 29 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1997 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 11.5 12.9 16.8 21.6 27.6 32.6 35.9 33.3 30.2 24.5 16.2 11.8 22.9 MINIMUN AIR TEMPERATURE (C) 6.6 7.2 11.4 15.8 21.5 26.8 29.7 27.2 24.1 19.3 12.1 6.9 17.4 DAYS WITH MINIMUM TEMP. >=21 0 0 0 2 20 30 31 31 30 11 0 0 155 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 0 2 0 0 0 0 0 0 0 0 0 0 2 TEMPERATURE RECORDS LOWEST(C) 1.8 -1.4 3.0 8.0 15.0 23.0 24.0 22.0 21.0 14.5 6.2 0.4 -1.4 DAY 26 9 1 14 11 2 1 30 17 18 26 29 MAXIMUM AIR TEMPERATURE (C) 17.6 19.4 22.6 28.2 33.3 38.5 41.6 39.2 36.9 30.9 21.4 17.9 29.0 DAYS WITH MAXIMUM TEMP. >=30 0 1 0 12 24 30 31 31 30 17 0 0 176 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 25.0 30.2 28.4 33.6 38.2 43.6 44.2 42.6 41.0 38.2 29.4 22.8 44.2 DAY 28 22 4 28 24 18 7 15 2 7 5 14 DIF. BETWEEN (MAX.-MIN.) (C) 11.0 12.2 11.2 12.4 11.8 11.7 11.9 12.0 12.8 11.6 9.3 11.0 11.6 MEAN DAILY TEMP. (MDT) (C) 12.1 13.3 17.0 22.0 27.4 32.7 35.6 33.2 30.5 25.1 16.8 12.4 23.2 COOLING DEG. DAYS(BASE 21 0C) 0.0 5.5 0.8 57.8 199.9 350.2 453.9 378.6 284.5 129.1 6.0 0.0 1866.3 HEATING DEG. DAYS(BASE 18 0C) 182.2 151.5 49.9 6.3 0.0 0.0 0.0 0.0 0.0 0.0 63.7 174.4 627.9 DEWPOINT (MEAN C) -3.2 -7.5 -1.5 1.5 3.0 6.3 4.4 1.9 0.0 4.7 3.8 0.7 1.2 MIXING RATIO (G/KG) 3.49 2.74 4.09 5.32 5.44 7.01 6.27 5.26 4.48 6.16 5.80 4.62 5.06 VAPOUR PRESSURE (HPA) 4.99 3.92 5.81 7.55 7.73 9.87 8.80 7.42 6.37 8.78 8.28 6.60 7.18 SATURATION DEF. (HPA) 9.23 12.25 13.90 19.35 30.47 40.62 51.79 45.31 37.99 23.28 10.81 7.78 25.23 RELATIVE HUMIDITY (MEAN %) 39 26 32 31 22 21 15 15 15 31 47 49 29 RELATIVE HUMIDITY (MAX. %) 56 44 48 45 32 31 23 21 22 44 65 68 42 RELATIVE HUMIDITY (MIN. %) 24 13 18 17 14 13 9 10 9 19 31 30 17 RELATIVE HUMIDITY (MEAN% 03UTC) 46 36 43 39 28 26 20 17 19 37 59 61 36 RELATIVE HUMIDITY (MEAN% 09UTC) 27 16 20 19 15 15 10 10 10 20 33 34 19 RELATIVE HUMIDITY (MEAN% 15UTC) 39 20 28 28 19 19 13 13 15 32 44 49 27 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 19.4 3.0 1.4 11.9 0.2 4.4 0.0 0.0 0.0 12.2 2.4 2.0 56.9 DAYS WITH PRECIPITATION >=10 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH PRECIPITATION >= 5 2 0 0 1 0 0 0 0 0 0 0 0 3 DAYS WITH PRECIPITATION >= 1 4 1 0 3 0 1 0 0 0 6 2 1 18 DAYS WITH PRECIPITATION 4 2 4 5 1 1 0 0 0 6 4 1 28 GREATEST DAILY PRECIPITATION 8.0 2.0 0.5 8.0 0.2 4.4 0.0 0.0 0.0 4.0 1.0 2.0 8.0 DAY 17 28 12 22 6 1 ** ** ** 24 7 11 DAY WITH THUNDER STORM 0 0 0 0 0 1 0 0 0 1 0 0 2 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 0 5 4 4 5 15 10 6 7 3 0 0 59 WIND DIRECTION (PREVAILING) 270 270 270 270 270 270 270 270 270 270 270 270 270 PREVAILING WIND SPEED(KNOTS) 10.8 10.1 12.0 11.2 10.9 11.3 9.9 10.9 12.7 11.3 10.3 10.6 11.1 PREVAILING WIND PERCENT 21.0 12.9 20.2 27.1 27.0 23.0 20.4 21.4 24.2 23.4 13.3 8.1 20.2 CALMS PERCENT OF WIND 48.8 61.6 42.7 27.9 29.4 28.5 35.5 29.0 37.1 40.7 57.9 66.9 42.1 NO. OF WIND OBSERVATION 248 224 248 240 248 239 245 248 240 248 240 248 2916 VECTOR WIND DIRECTION (MEAN) 302 306 286 298 318 315 339 332 319 305 330 346 316 VECTOR WIND MAGNITUDE(KNOTS) 2.5 1.3 3.4 4.4 4.5 4.8 4.7 5.2 4.8 4.2 1.9 1.3 3.4 WIND STEADINESES (MEAN %) 48.1 31.7 53.1 58.7 62.5 61.5 69.1 66.7 66.7 65.6 45.2 39.4 54.8 WIND SPEED (MEAN KNOTS) 5.2 4.1 6.4 7.5 7.2 7.8 6.8 7.8 7.2 6.4 4.2 3.3 6.2 FASTEST WIND DIRECTION 270 360 220 270 320 260 360 20 310 320 290 270 260 FASTEST WIND SPEED (KNOTS) 23 23 23 23 23 29 23 23 23 23 19 19 29 DAY 31 1 6 10 27 17 11 2 22 4 6 10 DAYS WITH SKY CLEAR (0-2)/8 20 19 8 13 19 23 27 30 30 19 10 21 239 DAYS WITH P.CLOUDY (3-6)/8 8 8 20 14 12 7 4 1 0 12 18 8 112 DAYS WITH CLOUDY (7-8)/8 3 1 3 3 0 0 0 0 0 0 2 2 14 DAYS WITH VISIBILITY =< 2 KM 1 1 0 2 1 1 0 0 0 0 0 0 6 DURATION OF SUNSHINE HOURS 254.0 260.2 237.5 253.2 306.1 288.1 360.8 349.1 323.9 249.9 214.8 230.5 3328.1 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1997 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 895.3 894.9 891.3 891.5 891.5 886.4 882.6 886.2 891.4 895.4 897.3 896.3 891.7 MAX. QFE PRESSURE IN HPA 904.0 903.3 902.9 898.8 899.7 892.1 886.5 890.7 896.9 900.7 905.0 906.7 906.7 DAY-HOUR 19- 6 7-18 11- 6 14- 6 7- 6 4- 6 9- 6 31- 6 20- 6 9- 6 8- 6 29- 6 MIN. QFE PRESSURE IN HPA 883.4 886.6 882.9 885.5 884.9 879.6 877.5 881.9 885.4 890.8 890.5 887.6 877.5 DAY-HOUR 17-15 1- 0 30- 0 11-12 5-12 19-15 16-12 1- 0 2-12 23-12 13-12 10-12 MEAN QNH PRESSURE IN HPA 1017.2 1016.8 1012.8 1013.0 1013.0 1007.4 1003.1 1007.1 1012.9 1017.3 1019.4 1018.3 1013.2 MAX. QNH PRESSURE IN HPA 1026.9 1026.1 1025.6 1021.1 1022.1 1013.7 1007.4 1012.1 1019.0 1023.2 1028.0 1029.9 1029.9 DAY-HOUR 19- 6 7-18 11- 6 14- 6 7- 6 4- 6 9- 6 31- 6 20- 6 9- 6 8- 6 29- 6 MIN. QNH PRESSURE IN HPA 1004.0 1007.6 1003.5 1006.3 1005.7 999.8 997.5 1002.3 1006.2 1012.2 1011.9 1008.7 997.5 DAY-HOUR 17-15 1- 0 30- 0 11-12 5-12 19-15 16-12 1- 0 2-12 23-12 13-12 10-12 MEAN QFF PRESSURE IN HPA 1015.6 1014.6 1008.8 1006.9 1004.5 996.7 991.2 996.2 1003.3 1010.0 1015.6 1016.4 1006.6 MAX. QFF PRESSURE IN HPA 1026.6 1027.6 1023.2 1017.4 1016.3 1004.9 995.0 1002.9 1010.3 1017.1 1024.8 1031.1 1031.1 DAY-HOUR 19- 6 8- 3 1- 6 14- 6 7- 6 1-15 9- 6 30- 3 19- 6 25- 6 30- 3 29- 6 MIN. QFF PRESSURE IN HPA 1000.8 1003.2 997.4 998.3 996.3 988.5 985.5 991.0 995.5 1002.5 1006.1 1004.3 985.5 DAY-HOUR 17-15 28- 0 30- 0 11-12 5-12 19-15 16-15 1- 0 3-12 1- 0 13-12 11- 0 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 894.9 894.1 890.9 891.0 891.0 886.1 882.3 885.8 891.0 895.1 896.8 895.8 891.2 MAX. QFE PRESSURE IN HPA 900.7 901.9 899.5 896.4 897.7 889.9 884.3 889.0 895.6 899.0 902.6 904.9 904.9 DAY 19 8 12 15 7 11 22 31 18 9 8 29 MIN. QFE PRESSURE IN HPA 885.3 886.6 882.9 886.1 886.3 880.5 878.5 881.9 886.0 891.2 891.7 888.0 878.5 DAY 18 1 30 11 5 20 16 1 4 1 13 11 MEAN QNH PRESSURE IN HPA 1016.8 1015.8 1012.3 1012.4 1012.4 1007.0 1002.7 1006.6 1012.4 1017.0 1018.9 1017.7 1012.7 MAX. QNH PRESSURE IN HPA 1023.2 1024.5 1021.9 1018.4 1019.9 1011.2 1005.0 1010.2 1017.5 1021.3 1025.3 1027.9 1027.9 DAY 19 8 12 15 7 11 22 31 18 9 8 29 MIN. QNH PRESSURE IN HPA 1006.1 1007.6 1003.5 1007.0 1007.2 1000.8 998.6 1002.3 1006.9 1012.7 1013.2 1009.1 998.6 DAY 18 1 30 11 5 20 16 1 4 1 13 11 MEAN QFF PRESSURE IN HPA 1014.9 1013.4 1008.1 1006.3 1004.0 996.3 990.8 995.8 1002.7 1009.5 1014.9 1015.6 1006.0 MAX. QFF PRESSURE IN HPA 1023.3 1026.3 1019.6 1015.4 1014.3 1002.1 993.4 1001.2 1009.0 1014.0 1022.1 1029.3 1029.3 DAY 20 8 1 14 7 4 1 29 18 18 30 29 MIN. QFF PRESSURE IN HPA 1003.9 1003.2 997.4 998.4 998.0 988.7 986.6 991.0 995.9 1002.5 1007.0 1004.3 986.6 DAY 18 28 30 11 5 20 16 1 4 1 13 11 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 895.7 895.0 892.1 892.2 892.4 887.5 883.4 887.0 892.2 896.0 897.8 896.7 892.3 MAX. QFE PRESSURE IN HPA 902.1 902.1 901.3 897.7 898.8 891.9 885.8 890.1 896.1 899.9 904.2 905.7 905.7 DAY 19 8 11 14 7 4 9 31 18 9 8 29 MIN. QFE PRESSURE IN HPA 887.2 886.8 884.5 887.5 887.3 882.9 879.3 883.7 887.4 891.7 892.0 889.5 879.3 DAY 17 1 30 11 5 24 16 1 3 24 13 11 MEAN QNH PRESSURE IN HPA 1017.7 1016.9 1013.7 1013.7 1014.0 1008.6 1004.0 1008.0 1013.8 1018.0 1020.0 1018.7 1013.9 MAX. QNH PRESSURE IN HPA 1024.8 1024.8 1023.9 1019.9 1021.1 1013.4 1006.7 1011.4 1018.1 1022.3 1027.1 1028.7 1028.7 DAY 19 8 11 14 7 4 9 31 18 9 8 29 MIN. QNH PRESSURE IN HPA 1008.2 1007.8 1005.2 1008.6 1008.3 1003.5 999.5 1004.3 1008.4 1013.2 1013.5 1010.8 999.5 DAY 17 1 30 11 5 24 16 1 3 24 13 11 MEAN QFF PRESSURE IN HPA 1016.8 1015.4 1010.3 1008.2 1005.9 998.3 992.4 997.6 1004.9 1011.4 1016.8 1017.6 1008.0 MAX. QFF PRESSURE IN HPA 1024.9 1027.6 1023.2 1017.3 1015.9 1004.8 994.5 1002.9 1010.3 1016.1 1024.8 1031.0 1031.0 DAY 19 8 1 14 7 4 9 30 18 25 30 29 MIN. QFF PRESSURE IN HPA 1004.0 1004.8 999.7 1000.8 999.2 992.6 987.7 993.1 998.5 1005.8 1008.6 1006.6 987.7 DAY 17 1 30 11 5 24 16 1 3 1 13 11 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1997 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 897.0 896.3 893.1 893.1 893.2 887.9 883.8 887.5 893.0 896.9 898.9 898.0 893.2 MAX. QFE PRESSURE IN HPA 904.0 902.5 902.9 898.8 899.7 892.1 886.5 890.7 896.9 900.7 905.0 906.7 906.7 DAY 19 8 11 14 7 4 9 31 20 9 8 29 MIN. QFE PRESSURE IN HPA 888.2 890.0 886.0 888.7 887.9 883.5 879.5 884.7 888.3 892.8 893.1 891.1 879.5 DAY 17 1 25 10 5 19 16 4 3 24 13 10 MEAN QNH PRESSURE IN HPA 1019.1 1018.4 1014.8 1014.8 1014.8 1009.0 1004.4 1008.6 1014.7 1019.0 1021.2 1020.2 1014.9 MAX. QNH PRESSURE IN HPA 1026.9 1025.2 1025.6 1021.1 1022.1 1013.7 1007.4 1012.1 1019.0 1023.2 1028.0 1029.9 1029.9 DAY 19 8 11 14 7 4 9 31 20 9 8 29 MIN. QNH PRESSURE IN HPA 1009.3 1011.3 1006.9 1009.9 1009.0 1004.1 999.7 1005.4 1009.4 1014.4 1014.8 1012.5 999.7 DAY 17 1 25 10 5 19 16 4 3 24 13 10 MEAN QFF PRESSURE IN HPA 1017.6 1016.2 1010.8 1008.5 1006.1 998.2 992.4 997.4 1005.0 1011.5 1017.3 1018.4 1008.3 MAX. QFF PRESSURE IN HPA 1026.6 1027.0 1023.2 1017.4 1016.3 1004.6 995.0 1002.3 1010.3 1017.1 1024.8 1031.1 1031.1 DAY 19 8 1 14 7 4 9 29 19 25 30 29 MIN. QFF PRESSURE IN HPA 1005.3 1007.6 1001.1 1002.0 999.3 991.7 987.7 994.1 998.5 1005.6 1008.7 1008.9 987.7 DAY 17 1 30 11 5 19 16 19 3 1 13 10 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 895.2 894.8 891.3 891.6 891.8 886.7 882.8 886.3 891.5 894.9 896.9 895.8 891.6 MAX. QFE PRESSURE IN HPA 902.2 900.3 901.4 897.0 898.0 891.1 885.4 889.3 895.7 899.0 902.3 903.4 903.4 DAY 19 8 11 14 7 4 9 31 18 9 8 29 MIN. QFE PRESSURE IN HPA 885.2 890.8 884.9 887.1 886.4 882.3 878.7 883.3 886.8 891.4 891.7 888.6 878.7 DAY 17 27 30 10 5 19 16 14 3 24 13 10 MEAN QNH PRESSURE IN HPA 1017.1 1016.6 1012.8 1013.2 1013.3 1007.7 1003.4 1007.2 1013.0 1016.8 1018.9 1017.7 1013.1 MAX. QNH PRESSURE IN HPA 1024.9 1022.8 1024.0 1019.1 1020.2 1012.5 1006.2 1010.6 1017.7 1021.3 1025.0 1026.2 1026.2 DAY 19 8 11 14 7 4 9 31 18 9 8 29 MIN. QNH PRESSURE IN HPA 1006.0 1012.2 1005.7 1008.1 1007.3 1002.8 998.8 1003.9 1007.8 1012.9 1013.2 1009.8 998.8 DAY 17 27 30 10 5 19 16 14 3 24 13 10 MEAN QFF PRESSURE IN HPA 1015.1 1014.1 1008.5 1006.7 1004.6 996.8 991.3 996.2 1003.2 1009.0 1014.8 1015.5 1006.3 MAX. QFF PRESSURE IN HPA 1024.5 1024.1 1021.6 1015.3 1014.4 1003.3 993.4 1001.4 1008.9 1014.7 1021.2 1027.1 1027.1 DAY 19 8 1 14 7 4 9 28 20 25 30 29 MIN. QFF PRESSURE IN HPA 1001.9 1005.5 999.5 999.8 997.3 990.4 986.9 992.3 996.7 1003.9 1006.5 1005.6 986.9 DAY 17 23 30 11 5 19 16 14 3 1 13 10 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 894.1 893.6 889.6 890.1 890.4 885.4 881.6 885.1 890.1 894.0 895.9 895.1 890.4 MAX. QFE PRESSURE IN HPA 901.2 897.5 900.0 895.8 895.8 889.6 884.2 888.2 894.5 898.2 902.0 902.7 902.7 DAY 19 7 11 14 7 1 9 28 18 12 8 28 MIN. QFE PRESSURE IN HPA 884.0 888.5 883.2 885.5 884.9 880.8 877.5 882.0 885.4 890.8 890.5 887.6 877.5 DAY 17 27 17 11 5 19 16 5 2 23 13 10 MEAN QNH PRESSURE IN HPA 1015.8 1015.3 1010.9 1011.5 1011.7 1006.2 1002.0 1005.9 1011.4 1015.8 1017.8 1016.9 1011.8 MAX. QNH PRESSURE IN HPA 1023.7 1019.6 1022.4 1017.8 1017.8 1010.9 1004.9 1009.3 1016.3 1020.4 1024.6 1025.4 1025.4 DAY 19 7 11 14 7 1 9 28 18 12 8 28 MIN. QNH PRESSURE IN HPA 1004.7 1009.7 1003.8 1006.3 1005.7 1001.1 997.5 1002.5 1006.2 1012.2 1011.9 1008.7 997.5 DAY 17 27 17 11 5 19 16 5 2 23 13 10 MEAN QFF PRESSURE IN HPA 1013.9 1012.9 1006.7 1005.4 1003.3 995.5 990.1 995.0 1001.7 1008.4 1013.9 1014.8 1005.1 MAX. QFF PRESSURE IN HPA 1023.6 1020.4 1019.7 1014.6 1011.9 1002.4 992.7 1000.3 1007.7 1013.4 1020.4 1025.4 1025.4 DAY 19 8 1 14 7 1 28 28 20 25 8 28 MIN. QFF PRESSURE IN HPA 1000.8 1004.2 998.7 998.3 996.3 988.5 985.6 991.8 995.5 1003.5 1006.1 1004.7 985.6 DAY 17 23 17 11 5 19 16 5 3 1 13 10 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1997 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 894.9 894.6 890.5 890.7 890.7 885.5 881.7 885.4 890.5 895.0 896.9 896.2 891.1 MAX. QFE PRESSURE IN HPA 901.7 900.5 901.0 896.5 896.0 891.4 884.0 888.7 895.0 898.1 903.0 904.6 904.6 DAY 19 7 11 14 7 1 9 29 20 9 8 28 MIN. QFE PRESSURE IN HPA 883.4 889.2 883.9 886.6 885.9 879.6 877.5 882.9 886.1 892.3 890.5 889.3 877.5 DAY 17 27 17 10 5 19 16 1 3 23 13 10 MEAN QNH PRESSURE IN HPA 1016.8 1016.5 1011.9 1012.1 1012.1 1006.3 1002.1 1006.2 1011.9 1016.8 1019.0 1018.2 1012.5 MAX. QNH PRESSURE IN HPA 1024.3 1023.0 1023.5 1018.5 1018.0 1012.9 1004.7 1009.9 1016.9 1020.3 1025.7 1027.5 1027.5 DAY 19 7 11 14 7 1 9 29 20 9 8 28 MIN. QNH PRESSURE IN HPA 1004.0 1010.4 1004.6 1007.6 1006.8 999.8 997.5 1003.5 1007.0 1013.9 1011.9 1010.6 997.5 DAY 17 27 17 10 5 19 16 1 3 23 13 10 MEAN QFF PRESSURE IN HPA 1015.8 1015.0 1008.5 1006.5 1004.0 996.0 990.4 995.8 1003.0 1010.2 1015.9 1017.0 1006.5 MAX. QFF PRESSURE IN HPA 1025.0 1023.7 1021.4 1015.7 1012.4 1004.9 992.8 1001.3 1009.0 1014.6 1022.1 1028.4 1028.4 DAY 19 7 11 14 7 1 9 29 20 25 8 28 MIN. QFF PRESSURE IN HPA 1000.8 1005.2 1000.7 1000.3 997.5 988.5 985.5 992.1 996.6 1005.3 1007.1 1006.9 985.5 DAY 17 27 17 10 5 19 16 1 3 1 13 10 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 895.6 895.8 891.8 891.9 891.7 886.5 882.8 886.6 891.6 896.1 897.7 896.6 892.1 MAX. QFE PRESSURE IN HPA 902.1 903.3 902.3 897.5 897.3 892.0 885.4 890.3 896.0 899.2 903.5 905.8 905.8 DAY 19 7 11 14 6 3 9 30 20 9 8 28 MIN. QFE PRESSURE IN HPA 885.1 890.6 886.6 887.9 887.7 880.7 879.6 884.0 887.3 893.0 892.9 889.3 879.6 DAY 17 27 29 9 5 19 16 3 2 23 19 10 MEAN QNH PRESSURE IN HPA 1017.6 1017.7 1013.4 1013.5 1013.3 1007.5 1003.3 1007.5 1013.1 1018.1 1019.8 1018.7 1013.6 MAX. QNH PRESSURE IN HPA 1024.8 1026.1 1025.0 1019.6 1019.4 1013.5 1006.2 1011.7 1018.0 1021.5 1026.3 1028.9 1028.9 DAY 19 7 11 14 6 3 9 30 20 9 8 28 MIN. QNH PRESSURE IN HPA 1005.9 1012.0 1007.6 1009.0 1008.8 1001.0 999.8 1004.7 1008.3 1014.7 1014.5 1010.6 999.8 DAY 17 27 29 9 5 19 16 3 2 23 19 10 MEAN QFF PRESSURE IN HPA 1015.9 1015.6 1009.3 1007.0 1004.4 996.5 991.1 996.3 1003.4 1010.5 1015.9 1016.8 1006.9 MAX. QFF PRESSURE IN HPA 1025.3 1026.1 1022.1 1016.0 1013.9 1004.5 994.0 1002.1 1009.2 1015.2 1022.4 1030.1 1030.1 DAY 19 7 11 14 6 3 9 30 17 17 8 28 MIN. QFF PRESSURE IN HPA 1002.9 1006.5 1001.9 1001.1 998.7 989.0 987.3 993.4 997.5 1005.9 1009.5 1006.3 987.3 DAY 17 27 29 10 24 19 7 19 2 7 12 10 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 895.0 895.2 891.4 891.6 891.3 886.1 882.6 886.2 891.3 895.6 897.2 896.1 891.6 MAX. QFE PRESSURE IN HPA 901.0 902.7 900.6 896.6 897.7 890.3 885.0 890.0 895.5 899.0 902.7 905.3 905.3 DAY 19 7 11 13 6 4 9 30 17 8 8 28 MIN. QFE PRESSURE IN HPA 884.1 889.5 885.1 887.5 887.1 881.0 879.4 883.4 886.6 892.0 892.0 888.4 879.4 DAY 17 27 29 10 4 19 15 5 2 23 12 10 MEAN QNH PRESSURE IN HPA 1016.8 1017.1 1012.9 1013.1 1012.8 1007.0 1003.1 1007.1 1012.7 1017.5 1019.4 1018.1 1013.1 MAX. QNH PRESSURE IN HPA 1023.5 1025.4 1023.1 1018.7 1019.9 1011.7 1005.8 1011.3 1017.4 1021.3 1025.4 1028.3 1028.3 DAY 19 7 11 13 6 4 9 30 17 8 8 28 MIN. QNH PRESSURE IN HPA 1004.8 1010.8 1005.9 1008.6 1008.1 1001.3 999.6 1004.0 1007.6 1013.5 1013.5 1009.6 999.6 DAY 17 27 29 10 4 19 15 5 2 23 12 10 MEAN QFF PRESSURE IN HPA 1014.8 1014.6 1008.4 1006.5 1003.9 996.1 990.9 996.1 1002.9 1009.7 1015.2 1015.9 1006.3 MAX. QFF PRESSURE IN HPA 1023.7 1026.2 1019.6 1015.3 1014.4 1002.7 993.7 1001.6 1008.9 1013.5 1021.3 1029.8 1029.8 DAY 19 7 11 13 6 3 9 30 17 17 29 28 MIN. QFF PRESSURE IN HPA 1002.2 1004.5 999.5 999.7 998.4 989.7 986.9 993.0 996.4 1005.3 1007.3 1004.6 986.9 DAY 17 27 29 10 4 19 16 19 2 23 12 10 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1998 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 11.0 13.2 19.2 25.1 29.7 31.8 34.8 33.3 30.1 24.5 19.1 16.1 24.0 MINIMUN AIR TEMPERATURE (C) 5.5 7.9 14.0 19.2 23.3 25.6 29.1 27.5 24.0 18.7 13.8 10.8 18.3 DAYS WITH MINIMUM TEMP. >=21 0 0 4 13 24 30 31 31 28 9 0 0 170 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 2 0 0 0 0 0 0 0 0 0 0 0 2 TEMPERATURE RECORDS LOWEST(C) -1.0 0.6 5.6 11.2 16.6 23.6 25.6 22.0 19.2 15.0 10.4 7.4 -1.0 DAY 15 18 3 8 6 11 25 31 21 17 26 7 MAXIMUM AIR TEMPERATURE (C) 16.9 19.2 24.7 31.2 35.7 37.0 40.3 38.5 36.5 31.2 26.2 23.2 30.1 DAYS WITH MAXIMUM TEMP. >=30 0 0 5 19 27 30 31 31 30 14 0 0 187 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 24.0 28.2 33.6 36.4 40.4 40.6 46.6 43.0 40.6 38.0 29.4 27.6 46.6 DAY 6 10 30 19 22 3 9 23 7 1 1 1 DIF. BETWEEN (MAX.-MIN.) (C) 11.4 11.3 10.7 12.0 12.4 11.4 11.2 11.0 12.5 12.5 12.4 12.4 11.8 MEAN DAILY TEMP. (MDT) (C) 11.2 13.5 19.3 25.2 29.5 31.3 34.7 33.0 30.3 24.9 20.0 17.0 24.2 COOLING DEG. DAYS(BASE 21 0C) 0.0 1.6 42.6 138.4 263.1 309.0 424.1 373.2 278.8 121.4 11.4 1.1 1964.7 HEATING DEG. DAYS(BASE 18 0C) 210.9 136.6 45.6 1.9 0.0 0.0 0.0 0.0 0.0 0.0 3.4 44.2 442.5 DEWPOINT (MEAN C) -1.4 -1.6 2.0 2.1 2.4 2.8 4.9 4.3 2.5 -1.6 -4.8 -6.2 0.5 MIXING RATIO (G/KG) 4.07 4.03 5.18 5.22 5.26 5.43 6.32 6.11 5.52 4.20 3.13 2.93 4.78 VAPOUR PRESSURE (HPA) 5.80 5.76 7.36 7.41 7.46 7.69 8.89 8.62 7.83 5.99 4.50 4.21 6.79 SATURATION DEF. (HPA) 7.99 10.29 16.25 25.93 36.03 40.20 48.41 43.58 36.24 26.36 18.50 14.74 27.04 RELATIVE HUMIDITY (MEAN %) 45 40 35 24 18 17 16 17 19 19 21 24 25 RELATIVE HUMIDITY (MAX. %) 63 58 51 36 25 24 23 23 28 28 30 35 35 RELATIVE HUMIDITY (MIN. %) 28 22 21 15 12 11 11 11 11 12 11 15 15 RELATIVE HUMIDITY (MEAN% 03UTC) 56 53 47 32 23 20 20 21 24 24 25 27 31 RELATIVE HUMIDITY (MEAN% 09UTC) 32 27 24 16 13 13 12 13 11 13 13 16 17 RELATIVE HUMIDITY (MEAN% 15UTC) 43 33 32 21 15 13 13 15 17 18 23 27 23 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 4.9 37.0 7.0 0.3 0.0 0.0 0.0 2.2 0.9 0.0 0.0 0.0 52.3 DAYS WITH PRECIPITATION >=10 0 2 0 0 0 0 0 0 0 0 0 0 2 DAYS WITH PRECIPITATION >= 5 0 2 1 0 0 0 0 0 0 0 0 0 3 DAYS WITH PRECIPITATION >= 1 1 3 2 0 0 0 0 2 0 0 0 0 8 DAYS WITH PRECIPITATION 4 3 2 1 0 0 0 2 2 0 0 0 14 GREATEST DAILY PRECIPITATION 3.0 19.0 5.0 0.3 0.0 0.0 0.0 1.2 0.7 0.0 0.0 0.0 19.0 DAY 13 13 10 9 ** ** ** 25 16 ** ** ** DAY WITH THUNDER STORM 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 2 8 6 9 5 3 6 9 3 4 1 0 56 WIND DIRECTION (PREVAILING) 270 270 270 270 270 360 360 360 315 270 270 270 270 PREVAILING WIND SPEED(KNOTS) 11.3 12.1 10.2 10.1 8.5 9.3 10.7 10.1 9.0 8.7 9.5 7.5 9.4 PREVAILING WIND PERCENT 10.9 22.8 18.1 15.0 19.4 20.0 18.5 19.0 18.8 19.0 24.2 21.0 17.6 CALMS PERCENT OF WIND 60.9 31.3 49.6 46.3 46.4 36.3 31.0 37.1 41.7 41.5 40.8 56.5 43.4 NO. OF WIND OBSERVATION 248 224 248 240 248 240 248 248 240 248 240 248 2920 VECTOR WIND DIRECTION (MEAN) 286 295 290 289 311 346 337 337 327 322 306 305 317 VECTOR WIND MAGNITUDE(KNOTS) 1.3 3.6 2.3 2.7 2.5 3.6 4.5 3.7 3.1 2.8 3.4 1.4 2.7 WIND STEADINESES (MEAN %) 30.2 48.6 46.9 50.9 54.3 69.2 67.2 63.8 59.6 58.3 66.7 46.7 51.9 WIND SPEED (MEAN KNOTS) 4.3 7.4 4.9 5.3 4.6 5.2 6.7 5.8 5.2 4.8 5.1 3.0 5.2 FASTEST WIND DIRECTION 310 280 260 280 360 30 360 30 270 360 270 290 280 FASTEST WIND SPEED (KNOTS) 27 23 23 29 23 19 19 23 19 19 17 12 29 DAY 31 13 19 2 2 28 12 14 16 15 9 1 DAYS WITH SKY CLEAR (0-2)/8 20 17 10 15 27 30 26 26 26 30 29 24 280 DAYS WITH P.CLOUDY (3-6)/8 10 7 17 13 4 0 4 5 4 1 1 7 73 DAYS WITH CLOUDY (7-8)/8 1 4 4 2 0 0 1 0 0 0 0 0 12 DAYS WITH VISIBILITY =< 2 KM 0 1 0 5 2 0 0 0 0 0 0 0 8 DURATION OF SUNSHINE HOURS 236.6 234.0 217.7 276.1 354.4 375.4 359.5 326.5 305.2 310.4 291.8 272.8 3560.4 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1998 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 894.4 894.5 893.2 892.2 891.0 888.6 884.5 887.8 890.6 895.1 897.7 899.0 892.4 MAX. QFE PRESSURE IN HPA 903.1 903.5 899.4 901.7 898.5 894.5 890.1 892.3 897.3 901.3 903.5 906.7 906.7 DAY-HOUR 4- 6 23- 6 23- 6 12- 3 3- 6 6- 6 22- 6 25- 6 13- 6 26- 6 21- 6 10- 6 MIN. QFE PRESSURE IN HPA 881.0 882.3 885.1 885.3 881.9 882.7 876.7 883.5 884.7 887.8 892.1 891.9 876.7 DAY-HOUR 13-12 13-12 15-12 6-12 30-12 30-12 8-15 22-15 6-12 2-12 1-12 19- 0 MEAN QNH PRESSURE IN HPA 1016.2 1016.3 1014.9 1013.7 1012.4 1009.8 1005.3 1008.9 1012.0 1017.0 1019.8 1021.3 1014.0 MAX. QNH PRESSURE IN HPA 1025.9 1026.3 1021.8 1024.3 1020.8 1016.3 1011.4 1013.9 1019.4 1023.9 1026.3 1029.9 1029.9 DAY-HOUR 4- 6 23- 6 23- 6 12- 3 3- 6 6- 6 22- 6 25- 6 13- 6 26- 6 21- 6 10- 6 MIN. QNH PRESSURE IN HPA 1001.3 1002.8 1005.9 1006.1 1002.3 1003.2 996.6 1004.1 1005.4 1008.9 1013.7 1013.4 996.6 DAY-HOUR 13-12 13-12 15-12 6-12 30-12 30-12 8-15 22-15 6-12 2-12 1-12 19- 0 MEAN QFF PRESSURE IN HPA 1014.8 1013.9 1009.9 1006.2 1003.0 999.6 993.7 998.0 1002.5 1009.8 1014.9 1017.8 1007.0 MAX. QFF PRESSURE IN HPA 1024.7 1026.8 1019.1 1019.3 1013.6 1005.5 1001.2 1003.4 1009.7 1018.1 1021.5 1027.5 1027.5 DAY-HOUR 22-15 23- 6 4- 6 12- 3 3- 6 6- 6 21- 6 30- 3 13- 6 26- 6 21- 6 10- 6 MIN. QFF PRESSURE IN HPA 1000.2 999.9 1000.3 997.8 991.0 992.3 983.6 992.9 994.4 998.1 1005.6 1006.5 983.6 DAY-HOUR 13-12 16- 0 15-12 6-12 30-12 30-12 8-15 22-15 6-12 2-12 1- 0 19- 0 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 894.0 894.1 892.5 891.8 890.7 888.4 884.3 887.6 890.4 894.8 897.1 898.5 892.0 MAX. QFE PRESSURE IN HPA 900.3 901.1 897.8 899.3 895.8 892.6 888.4 889.9 894.4 899.2 901.2 904.9 904.9 DAY 23 24 28 12 8 6 22 9 13 11 21 10 MIN. QFE PRESSURE IN HPA 886.7 883.5 886.2 886.8 885.5 883.4 877.8 885.1 886.3 889.0 892.3 891.9 877.8 DAY 14 16 2 30 30 30 9 13 7 4 1 19 MEAN QNH PRESSURE IN HPA 1015.7 1015.9 1014.1 1013.3 1012.1 1009.5 1005.0 1008.6 1011.8 1016.6 1019.2 1020.8 1013.6 MAX. QNH PRESSURE IN HPA 1022.8 1023.6 1020.0 1021.6 1017.8 1014.2 1009.6 1011.2 1016.2 1021.5 1023.7 1027.9 1027.9 DAY 23 24 28 12 8 6 22 9 13 11 21 10 MIN. QNH PRESSURE IN HPA 1007.7 1004.1 1007.1 1007.8 1006.3 1004.0 997.8 1005.9 1007.2 1010.2 1013.9 1013.4 997.8 DAY 14 16 2 30 30 30 9 13 7 4 1 19 MEAN QFF PRESSURE IN HPA 1014.0 1013.1 1009.0 1005.7 1002.8 999.3 993.4 997.7 1002.1 1009.2 1014.0 1016.9 1006.4 MAX. QFF PRESSURE IN HPA 1023.1 1024.9 1017.0 1016.0 1010.7 1004.3 999.3 1001.1 1007.1 1016.0 1019.0 1025.4 1025.4 DAY 23 24 12 12 7 7 22 31 14 11 26 10 MIN. QFF PRESSURE IN HPA 1005.5 999.9 1001.1 998.6 995.2 993.3 984.1 993.9 995.8 1000.0 1005.6 1006.5 984.1 DAY 6 16 2 30 30 30 9 3 7 2 1 19 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 894.7 895.0 893.7 893.0 892.2 889.7 885.5 888.9 891.5 895.8 898.2 899.4 893.1 MAX. QFE PRESSURE IN HPA 901.1 902.2 898.7 901.7 897.7 893.8 889.8 891.8 896.3 900.1 902.3 905.6 905.6 DAY 4 23 28 12 8 6 21 26 13 26 21 10 MIN. QFE PRESSURE IN HPA 888.2 885.1 887.0 888.5 885.5 884.3 878.7 885.9 887.3 890.2 893.8 892.5 878.7 DAY 6 16 2 30 30 30 8 23 7 4 1 21 MEAN QNH PRESSURE IN HPA 1016.6 1016.9 1015.5 1014.7 1013.8 1011.0 1006.3 1010.1 1013.0 1017.8 1020.4 1021.8 1014.8 MAX. QNH PRESSURE IN HPA 1023.6 1024.9 1021.0 1024.3 1019.9 1015.5 1011.1 1013.3 1018.3 1022.5 1025.0 1028.6 1028.6 DAY 4 23 28 12 8 6 21 26 13 26 21 10 MIN. QNH PRESSURE IN HPA 1009.3 1005.9 1008.0 1009.7 1006.3 1005.0 998.8 1006.8 1008.3 1011.6 1015.5 1014.1 998.8 DAY 6 16 2 30 30 30 8 23 7 4 1 21 MEAN QFF PRESSURE IN HPA 1015.8 1015.1 1011.1 1007.7 1004.8 1001.0 995.1 999.6 1004.1 1011.4 1016.5 1019.2 1008.4 MAX. QFF PRESSURE IN HPA 1024.1 1026.8 1018.8 1019.3 1012.7 1005.1 1001.1 1003.4 1009.6 1017.6 1021.4 1027.5 1027.5 DAY 23 24 5 12 8 7 21 30 13 11 21 10 MIN. QFF PRESSURE IN HPA 1004.7 1003.4 1003.1 1000.6 995.7 994.2 985.9 995.6 997.5 1002.2 1009.0 1010.0 985.9 DAY 6 13 15 23 30 30 8 23 7 4 1 19 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1998 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 896.1 896.3 894.8 893.8 892.8 890.2 885.9 889.5 892.2 896.8 899.3 900.8 894.0 MAX. QFE PRESSURE IN HPA 903.1 903.5 899.4 901.5 898.5 894.5 890.1 892.3 897.3 901.3 903.5 906.7 906.7 DAY 4 23 23 12 3 6 22 25 13 26 21 10 MIN. QFE PRESSURE IN HPA 886.8 885.5 888.3 888.8 885.4 884.4 879.2 886.2 887.9 891.4 895.3 893.7 879.2 DAY 13 13 15 6 30 30 9 13 6 4 1 21 MEAN QNH PRESSURE IN HPA 1018.1 1018.3 1016.7 1015.6 1014.4 1011.6 1006.8 1010.7 1013.8 1018.9 1021.6 1023.3 1015.8 MAX. QNH PRESSURE IN HPA 1025.9 1026.3 1021.8 1024.1 1020.8 1016.3 1011.4 1013.9 1019.4 1023.9 1026.3 1029.9 1029.9 DAY 4 23 23 12 3 6 22 25 13 26 21 10 MIN. QNH PRESSURE IN HPA 1007.8 1006.3 1009.4 1010.0 1006.2 1005.1 999.3 1007.1 1009.0 1012.9 1017.2 1015.4 999.3 DAY 13 13 15 6 30 30 9 13 6 4 1 21 MEAN QFF PRESSURE IN HPA 1016.7 1016.0 1011.6 1007.8 1004.8 1001.2 995.2 999.7 1004.0 1011.5 1016.7 1019.9 1008.8 MAX. QFF PRESSURE IN HPA 1024.5 1026.8 1019.1 1018.0 1013.6 1005.5 1001.2 1003.2 1009.7 1018.1 1021.5 1027.5 1027.5 DAY 4 23 4 12 3 6 21 25 13 26 21 10 MIN. QFF PRESSURE IN HPA 1006.0 1003.5 1003.7 1000.3 994.3 993.7 985.8 995.3 997.8 1002.8 1009.7 1012.3 985.8 DAY 13 13 15 23 30 30 9 23 6 4 1 21 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 894.4 894.4 893.3 892.2 891.3 888.9 884.7 888.1 890.6 894.9 897.2 898.7 892.4 MAX. QFE PRESSURE IN HPA 901.1 901.8 897.7 900.3 897.3 893.7 889.1 891.0 895.3 899.2 901.2 904.5 904.5 DAY 4 23 27 12 7 5 22 7 13 26 21 10 MIN. QFE PRESSURE IN HPA 884.6 883.3 886.1 887.3 884.3 883.3 878.2 884.8 886.6 889.7 893.4 891.9 878.2 DAY 13 13 15 6 30 30 8 23 6 4 1 21 MEAN QNH PRESSURE IN HPA 1016.2 1016.2 1014.9 1013.8 1012.8 1010.1 1005.5 1009.2 1012.0 1016.7 1019.3 1021.0 1014.0 MAX. QNH PRESSURE IN HPA 1023.6 1024.4 1019.9 1022.8 1019.4 1015.4 1010.3 1012.4 1017.2 1021.5 1023.7 1027.4 1027.4 DAY 4 23 27 12 7 5 22 7 13 26 21 10 MIN. QNH PRESSURE IN HPA 1005.3 1003.9 1007.0 1008.3 1005.0 1003.9 998.2 1005.6 1007.6 1011.0 1015.1 1013.4 998.2 DAY 13 13 15 6 30 30 8 23 6 4 1 21 MEAN QFF PRESSURE IN HPA 1014.3 1013.5 1009.6 1006.0 1003.3 999.9 993.9 998.1 1002.1 1009.1 1013.9 1017.0 1006.7 MAX. QFF PRESSURE IN HPA 1022.5 1024.8 1016.8 1016.9 1012.5 1004.5 999.9 1002.1 1007.6 1015.7 1018.4 1024.4 1024.8 DAY 22 23 4 12 7 5 22 7 13 26 21 9 MIN. QFF PRESSURE IN HPA 1003.3 1000.6 1000.7 999.7 993.4 992.8 984.9 993.6 996.1 1000.4 1007.4 1009.6 984.9 DAY 6 13 15 6 30 30 8 23 6 4 1 21 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 893.2 893.0 892.0 890.7 889.6 887.5 883.5 886.6 889.3 893.7 896.3 897.8 891.1 MAX. QFE PRESSURE IN HPA 900.1 900.2 897.5 897.7 895.8 891.6 887.9 888.5 893.3 898.3 900.4 903.6 903.6 DAY 4 23 27 12 7 5 22 8 13 26 21 9 MIN. QFE PRESSURE IN HPA 881.0 882.3 885.1 885.3 881.9 882.7 877.1 883.8 884.7 887.8 892.1 891.9 877.1 DAY 13 13 15 6 30 30 8 13 6 2 1 21 MEAN QNH PRESSURE IN HPA 1014.9 1014.6 1013.5 1012.1 1010.9 1008.6 1004.1 1007.5 1010.6 1015.4 1018.3 1020.0 1012.5 MAX. QNH PRESSURE IN HPA 1022.5 1022.6 1019.6 1019.9 1017.8 1013.1 1009.0 1009.7 1015.0 1020.5 1022.9 1026.4 1026.4 DAY 4 23 27 12 7 5 22 8 13 26 21 9 MIN. QNH PRESSURE IN HPA 1001.3 1002.8 1005.9 1006.1 1002.3 1003.2 997.0 1004.4 1005.4 1008.9 1013.7 1013.4 997.0 DAY 13 13 15 6 30 30 8 13 6 2 1 21 MEAN QFF PRESSURE IN HPA 1013.2 1011.9 1008.4 1004.5 1001.5 998.4 992.5 996.6 1000.9 1008.1 1013.2 1016.1 1005.4 MAX. QFF PRESSURE IN HPA 1021.9 1023.1 1015.5 1014.0 1011.0 1002.8 998.7 999.8 1005.9 1014.7 1017.8 1024.0 1024.0 DAY 22 23 5 12 7 17 22 29 13 26 21 9 MIN. QFF PRESSURE IN HPA 1000.2 999.9 1000.3 997.8 991.0 992.3 983.7 993.4 994.4 998.1 1006.1 1009.4 983.7 DAY 13 13 15 6 30 30 8 23 6 2 1 18 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1998 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 894.2 893.8 892.7 891.3 889.6 887.5 883.4 886.7 889.7 894.4 897.4 898.7 891.6 MAX. QFE PRESSURE IN HPA 901.5 901.0 897.9 897.8 896.3 891.5 888.0 889.0 893.3 898.9 901.4 904.8 904.8 DAY 4 23 27 11 7 6 22 28 13 25 21 9 MIN. QFE PRESSURE IN HPA 883.6 883.4 885.7 887.2 882.1 883.0 876.7 883.5 884.9 888.3 893.1 892.4 876.7 DAY 13 15 15 20 30 29 8 22 6 3 1 18 MEAN QNH PRESSURE IN HPA 1015.9 1015.5 1014.4 1012.7 1010.8 1008.6 1004.0 1007.7 1011.0 1016.2 1019.5 1021.0 1013.1 MAX. QNH PRESSURE IN HPA 1024.1 1023.5 1020.1 1020.0 1018.3 1013.0 1009.1 1010.2 1015.0 1021.2 1024.0 1027.7 1027.7 DAY 4 23 27 11 7 6 22 28 13 25 21 9 MIN. QNH PRESSURE IN HPA 1004.2 1004.0 1006.6 1008.2 1002.6 1003.6 996.6 1004.1 1005.7 1009.4 1014.8 1014.0 996.6 DAY 13 15 15 20 30 29 8 22 6 3 1 18 MEAN QFF PRESSURE IN HPA 1015.1 1013.7 1009.8 1005.7 1001.8 998.5 992.8 997.3 1002.1 1009.8 1015.6 1018.4 1006.7 MAX. QFF PRESSURE IN HPA 1024.7 1024.8 1016.9 1015.2 1011.5 1002.4 999.1 1001.6 1006.4 1016.2 1020.0 1026.8 1026.8 DAY 22 23 5 11 3 6 22 31 13 25 20 9 MIN. QFF PRESSURE IN HPA 1003.1 1002.2 1001.4 999.1 991.7 992.5 983.6 992.9 995.4 1000.0 1008.8 1009.6 983.6 DAY 13 15 15 20 30 30 8 22 6 2 1 18 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 894.7 894.9 893.6 892.6 891.0 888.6 884.7 887.7 890.9 895.5 898.2 899.3 892.6 MAX. QFE PRESSURE IN HPA 902.0 902.2 898.9 899.6 897.5 892.7 889.5 889.9 894.2 899.8 901.9 905.9 905.9 DAY 4 23 26 11 7 6 22 27 13 10 20 9 MIN. QFE PRESSURE IN HPA 884.9 883.8 886.5 888.2 883.4 883.8 878.1 884.8 886.8 889.6 893.7 892.4 878.1 DAY 13 15 1 24 30 29 8 22 6 2 1 18 MEAN QNH PRESSURE IN HPA 1016.5 1016.8 1015.4 1014.2 1012.4 1009.7 1005.5 1008.8 1012.3 1017.5 1020.4 1021.6 1014.3 MAX. QNH PRESSURE IN HPA 1024.6 1024.9 1021.2 1022.0 1019.6 1014.3 1010.8 1011.2 1016.0 1022.2 1024.5 1029.0 1029.0 DAY 4 23 26 11 7 6 22 27 13 10 20 9 MIN. QNH PRESSURE IN HPA 1005.7 1004.4 1007.4 1009.3 1004.0 1004.4 998.1 1005.6 1007.8 1010.9 1015.4 1014.0 998.1 DAY 13 15 1 24 30 29 8 22 6 2 1 18 MEAN QFF PRESSURE IN HPA 1015.1 1014.5 1010.1 1006.4 1002.8 999.3 993.8 997.8 1002.5 1010.1 1015.5 1018.2 1007.2 MAX. QFF PRESSURE IN HPA 1024.4 1025.9 1016.9 1016.3 1012.3 1003.7 1000.4 1001.8 1006.7 1016.3 1019.8 1026.7 1026.7 DAY 22 23 5 11 7 6 22 31 13 25 20 9 MIN. QFF PRESSURE IN HPA 1003.6 1001.4 1002.2 1000.3 992.1 993.1 985.0 993.5 996.5 1000.4 1009.0 1007.7 985.0 DAY 13 15 15 22 30 30 8 23 6 2 1 18 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 894.4 894.6 893.2 892.2 890.9 888.2 884.4 887.7 890.6 895.2 897.6 898.7 892.3 MAX. QFE PRESSURE IN HPA 901.6 901.4 898.4 899.4 896.7 892.6 888.8 890.2 893.6 899.3 901.4 905.5 905.5 DAY 4 23 26 11 7 5 22 19 26 10 20 9 MIN. QFE PRESSURE IN HPA 886.0 883.3 886.2 887.5 884.7 883.2 877.6 884.8 886.3 889.2 893.3 892.4 877.6 DAY 13 15 1 30 30 29 8 22 6 3 1 18 MEAN QNH PRESSURE IN HPA 1016.2 1016.4 1014.9 1013.7 1012.3 1009.4 1005.1 1008.8 1012.0 1017.1 1019.8 1021.0 1013.9 MAX. QNH PRESSURE IN HPA 1024.2 1024.0 1020.6 1021.8 1018.8 1014.2 1010.0 1011.6 1015.3 1021.6 1024.0 1028.5 1028.5 DAY 4 23 26 11 7 5 22 19 26 10 20 9 MIN. QNH PRESSURE IN HPA 1006.9 1003.9 1007.1 1008.6 1005.4 1003.8 997.6 1005.6 1007.2 1010.4 1015.0 1014.0 997.6 DAY 13 15 1 30 30 29 8 22 6 3 1 18 MEAN QFF PRESSURE IN HPA 1014.3 1013.6 1009.4 1005.8 1002.7 999.1 993.4 997.7 1002.0 1009.5 1014.4 1016.9 1006.6 MAX. QFF PRESSURE IN HPA 1022.8 1025.0 1017.4 1016.1 1011.5 1003.7 999.8 1001.3 1006.6 1015.4 1018.8 1025.6 1025.6 DAY 4 23 11 11 7 6 22 31 18 25 25 9 MIN. QFF PRESSURE IN HPA 1005.8 1000.7 1000.8 999.6 994.3 992.9 983.8 993.7 995.4 999.9 1007.9 1007.5 983.8 DAY 13 15 1 20 30 29 8 22 6 2 1 18 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1999 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 10.2 15.6 17.4 25.1 29.7 35.1 34.3 32.4 30.1 25.0 18.0 11.7 23.7 MINIMUN AIR TEMPERATURE (C) 5.8 10.7 12.0 18.8 23.4 28.9 28.7 26.5 24.2 19.1 12.6 6.1 18.1 DAYS WITH MINIMUM TEMP. >=21 0 0 1 5 28 30 31 31 27 4 0 0 157 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS LOWEST(C) 0.4 4.0 5.4 12.4 19.4 25.2 24.0 23.6 18.0 15.4 8.0 3.4 0.4 DAY 4 2 6 12 26 13 13 21 30 28 30 2 MAXIMUM AIR TEMPERATURE (C) 15.9 21.4 23.3 31.7 35.7 41.2 40.0 38.3 36.3 31.7 24.7 18.8 29.9 DAYS WITH MAXIMUM TEMP. >=30 0 0 5 22 31 30 31 31 28 26 5 0 209 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 24.2 28.0 33.6 36.6 39.8 45.4 44.6 41.4 39.6 34.4 32.2 23.8 45.4 DAY 17 20 27 5 14 29 9 31 15 13 1 16 DIF. BETWEEN (MAX.-MIN.) (C) 10.1 10.7 11.3 12.9 12.3 12.3 11.3 11.8 12.1 12.6 12.1 12.7 11.8 MEAN DAILY TEMP. (MDT) (C) 10.8 16.1 17.7 25.2 29.6 35.0 34.4 32.4 30.3 25.4 18.6 12.4 24.0 COOLING DEG. DAYS(BASE 21 0C) 0.0 2.7 21.1 134.6 265.2 420.7 414.4 352.7 277.7 135.5 14.4 0.0 2039.0 HEATING DEG. DAYS(BASE 18 0C) 223.6 71.1 67.2 1.0 0.0 0.0 0.0 0.0 0.0 0.0 29.1 172.8 564.8 DEWPOINT (MEAN C) -2.8 1.4 0.3 0.3 0.9 4.2 5.0 1.5 2.2 -1.4 0.5 -7.6 0.4 MIXING RATIO (G/KG) 3.65 4.98 4.64 4.65 4.75 6.08 6.64 4.91 5.32 4.00 4.60 2.55 4.73 VAPOUR PRESSURE (HPA) 5.23 7.11 6.60 6.61 6.73 8.58 9.33 6.94 7.54 5.72 6.57 3.67 6.72 SATURATION DEF. (HPA) 7.80 11.26 14.62 26.61 36.19 49.49 46.29 42.78 36.50 26.98 15.01 10.64 27.01 RELATIVE HUMIDITY (MEAN %) 44 42 37 22 17 16 18 15 19 19 33 28 26 RELATIVE HUMIDITY (MAX. %) 63 60 55 33 24 24 27 20 29 28 47 40 38 RELATIVE HUMIDITY (MIN. %) 26 25 22 12 11 10 11 10 11 11 20 16 15 RELATIVE HUMIDITY (MEAN% 03UTC) 56 52 49 28 21 20 23 18 24 23 42 32 32 RELATIVE HUMIDITY (MEAN% 09UTC) 30 30 25 13 12 11 12 11 12 11 22 17 17 RELATIVE HUMIDITY (MEAN% 15UTC) 39 37 32 19 14 14 16 13 17 19 31 30 23 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 14.4 9.8 46.4 4.8 0.3 0.0 6.6 0.0 0.0 0.0 4.0 0.0 86.3 DAYS WITH PRECIPITATION >=10 0 0 2 0 0 0 0 0 0 0 0 0 2 DAYS WITH PRECIPITATION >= 5 1 1 3 0 0 0 0 0 0 0 0 0 5 DAYS WITH PRECIPITATION >= 1 3 3 5 1 0 0 1 0 0 0 2 0 15 DAYS WITH PRECIPITATION 4 5 7 2 1 0 5 0 0 0 2 0 26 GREATEST DAILY PRECIPITATION 9.0 5.2 17.0 4.0 0.3 0.0 4.0 0.0 0.0 0.0 3.0 0.0 17.0 DAY 2 6 5 24 6 ** 13 ** ** ** 24 ** DAY WITH THUNDER STORM 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 2 1 7 10 9 7 8 6 3 1 0 0 54 WIND DIRECTION (PREVAILING) 45 270 270 270 315 315 315 360 270 270 270 315 315 PREVAILING WIND SPEED(KNOTS) 7.7 9.0 8.5 9.5 8.2 7.4 8.3 9.1 8.2 8.9 9.7 7.6 8.4 PREVAILING WIND PERCENT 9.3 13.8 10.9 12.9 17.7 17.1 18.5 21.4 14.6 16.5 9.6 6.9 12.4 CALMS PERCENT OF WIND 66.5 54.0 58.1 50.4 38.3 41.7 36.7 34.7 49.2 50.0 68.8 78.6 52.2 NO. OF WIND OBSERVATION 248 224 248 240 248 240 248 248 240 248 240 248 2920 VECTOR WIND DIRECTION (MEAN) 352 293 305 320 330 334 334 334 335 314 320 324 326 VECTOR WIND MAGNITUDE(KNOTS) 1.1 1.9 1.5 1.8 3.2 2.9 3.5 4.2 2.6 2.4 1.1 0.9 2.2 WIND STEADINESES (MEAN %) 42.3 47.5 42.9 42.9 62.7 61.7 60.3 71.2 60.5 55.8 42.3 52.9 53.7 WIND SPEED (MEAN KNOTS) 2.6 4.0 3.5 4.2 5.1 4.7 5.8 5.9 4.3 4.3 2.6 1.7 4.1 FASTEST WIND DIRECTION 300 270 210 270 240 30 360 330 360 270 180 30 360 FASTEST WIND SPEED (KNOTS) 19 23 23 19 23 19 29 23 19 16 17 14 29 DAY 10 21 2 9 5 9 19 26 1 1 9 6 DAYS WITH SKY CLEAR (0-2)/8 14 8 19 22 30 25 24 30 27 31 22 24 276 DAYS WITH P.CLOUDY (3-6)/8 14 15 7 7 1 5 6 1 3 0 8 7 74 DAYS WITH CLOUDY (7-8)/8 3 5 5 1 0 0 1 0 0 0 0 0 15 DAYS WITH VISIBILITY =< 2 KM 2 1 1 3 1 0 1 0 0 0 0 0 9 DURATION OF SUNSHINE HOURS 222.1 187.2 251.1 300.9 352.9 342.7 328.9 349.5 316.3 309.2 272.0 281.5 3514.3 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1999 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 896.2 895.0 892.2 892.1 889.6 886.0 884.2 887.0 889.5 894.6 896.2 899.7 891.9 MAX. QFE PRESSURE IN HPA 905.3 902.1 901.3 897.7 896.2 893.7 888.3 893.3 898.4 899.0 904.1 907.5 907.5 DAY-HOUR 2-18 12- 6 19- 6 1- 6 12- 6 1- 6 27- 6 19- 6 30- 6 27- 6 14- 6 6- 6 MIN. QFE PRESSURE IN HPA 886.9 885.3 885.0 887.0 881.7 877.9 880.5 882.0 884.0 889.9 889.2 890.9 877.9 DAY-HOUR 19- 0 6- 3 2-21 14-15 20-15 23-15 2-15 6-12 16-12 13-15 1-12 16- 0 MEAN QNH PRESSURE IN HPA 1018.2 1016.9 1013.8 1013.7 1010.9 1006.9 1004.9 1008.0 1010.8 1016.4 1018.2 1022.1 1013.4 MAX. QNH PRESSURE IN HPA 1028.3 1024.8 1023.9 1019.9 1018.2 1015.4 1009.4 1015.0 1020.6 1021.3 1027.0 1030.7 1030.7 DAY-HOUR 2-18 12- 6 19- 6 1- 6 12- 6 1- 6 27- 6 19- 6 30- 6 27- 6 14- 6 6- 6 MIN. QNH PRESSURE IN HPA 1007.9 1006.1 1005.8 1008.0 1002.1 997.9 1000.8 1002.5 1004.7 1011.2 1010.4 1012.3 997.9 DAY-HOUR 19- 0 6- 3 2-21 14-15 20-15 23-15 2-15 6-12 16-12 13-15 1-12 16- 0 MEAN QFF PRESSURE IN HPA 1017.2 1013.4 1009.5 1006.2 1001.5 995.3 993.5 997.6 1001.2 1009.0 1013.7 1020.6 1006.5 MAX. QFF PRESSURE IN HPA 1030.2 1022.9 1022.4 1015.2 1009.3 1005.0 999.5 1004.6 1013.4 1015.1 1024.2 1029.2 1030.2 DAY-HOUR 3- 6 7- 6 19- 6 11- 6 12- 6 1- 6 31- 3 19- 3 30- 3 27- 6 30-18 6- 6 MIN. QFF PRESSURE IN HPA 1003.8 1001.3 1000.4 999.6 991.3 986.1 988.1 991.3 994.1 1003.5 1002.8 1009.0 986.1 DAY-HOUR 18- 9 6-12 2-21 9- 0 20-21 23-15 2-21 6-12 16-12 13-15 1-12 16- 0 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 895.7 894.4 891.7 891.8 889.3 885.6 884.0 886.8 889.1 894.3 895.8 899.4 891.5 MAX. QFE PRESSURE IN HPA 903.4 898.9 896.9 895.9 893.3 892.1 887.1 891.5 896.6 896.7 901.4 905.1 905.1 DAY 3 12 31 1 12 1 29 19 30 11 15 6 MIN. QFE PRESSURE IN HPA 886.9 885.7 886.2 887.0 881.9 879.4 881.7 882.8 885.5 891.6 891.7 890.9 879.4 DAY 19 6 3 15 21 26 11 7 16 25 26 16 MEAN QNH PRESSURE IN HPA 1017.6 1016.2 1013.2 1013.3 1010.6 1006.5 1004.7 1007.7 1010.3 1016.1 1017.8 1021.8 1013.0 MAX. QNH PRESSURE IN HPA 1026.2 1021.2 1019.0 1017.9 1015.0 1013.7 1008.1 1013.0 1018.7 1018.8 1024.0 1028.1 1028.1 DAY 3 12 31 1 12 1 29 19 30 11 15 6 MIN. QNH PRESSURE IN HPA 1007.9 1006.6 1007.1 1008.0 1002.3 999.6 1002.1 1003.3 1006.3 1013.1 1013.2 1012.3 999.6 DAY 19 6 3 15 21 26 11 7 16 25 26 16 MEAN QFF PRESSURE IN HPA 1016.3 1012.5 1008.7 1005.8 1001.2 994.9 993.3 997.3 1000.5 1008.5 1012.8 1019.9 1006.0 MAX. QFF PRESSURE IN HPA 1028.4 1019.2 1017.6 1013.0 1006.6 1003.6 997.5 1003.1 1011.6 1012.8 1021.2 1026.2 1028.4 DAY 3 2 20 12 13 1 29 19 30 28 15 6 MIN. QFF PRESSURE IN HPA 1004.4 1001.8 1002.7 999.6 991.4 987.1 989.0 992.4 995.5 1005.1 1006.5 1009.0 987.1 DAY 19 6 3 9 21 26 11 7 16 25 2 16 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 896.5 895.3 892.9 893.2 890.8 886.9 885.1 888.1 890.2 895.5 896.9 900.4 892.6 MAX. QFE PRESSURE IN HPA 903.4 900.3 898.8 896.9 895.9 893.2 888.3 892.6 897.4 897.9 902.2 905.7 905.7 DAY 3 12 19 1 12 1 31 19 30 11 15 6 MIN. QFE PRESSURE IN HPA 888.5 885.3 887.7 888.5 883.5 880.6 882.6 883.9 886.4 892.7 892.4 893.2 880.6 DAY 19 6 3 9 21 25 11 7 16 25 26 16 MEAN QNH PRESSURE IN HPA 1018.6 1017.2 1014.5 1014.9 1012.2 1007.9 1005.9 1009.2 1011.6 1017.4 1019.0 1022.8 1014.3 MAX. QNH PRESSURE IN HPA 1026.2 1022.8 1021.1 1019.0 1017.9 1014.9 1009.4 1014.2 1019.5 1020.1 1024.9 1028.7 1028.7 DAY 3 12 19 1 12 1 31 19 30 11 15 6 MIN. QNH PRESSURE IN HPA 1009.7 1006.1 1008.8 1009.7 1004.1 1000.9 1003.1 1004.6 1007.3 1014.3 1014.0 1014.9 1000.9 DAY 19 6 3 9 21 25 11 7 16 25 26 16 MEAN QFF PRESSURE IN HPA 1018.1 1014.3 1010.9 1008.0 1003.3 996.7 994.8 999.3 1002.6 1010.8 1015.3 1022.3 1008.0 MAX. QFF PRESSURE IN HPA 1029.3 1020.6 1019.9 1015.1 1009.0 1004.9 999.5 1004.6 1013.4 1014.9 1022.7 1028.0 1029.3 DAY 3 2 19 12 12 1 31 19 30 28 14 6 MIN. QFF PRESSURE IN HPA 1007.2 1001.3 1005.7 1000.7 993.6 989.1 990.8 994.2 997.3 1007.0 1008.6 1012.2 989.1 DAY 19 6 13 9 21 26 11 7 16 25 2 16 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1999 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 897.9 896.7 894.0 894.1 891.4 887.6 885.5 888.5 891.1 896.3 897.8 901.6 893.5 MAX. QFE PRESSURE IN HPA 904.6 902.1 901.3 897.7 896.2 893.7 888.3 893.3 898.4 899.0 904.1 907.5 907.5 DAY 3 12 19 1 12 1 27 19 30 27 14 6 MIN. QFE PRESSURE IN HPA 890.1 888.7 888.4 890.3 884.0 881.6 883.0 884.1 886.7 893.6 893.1 894.0 881.6 DAY 18 6 3 9 21 25 11 7 16 25 26 16 MEAN QNH PRESSURE IN HPA 1020.1 1018.8 1015.7 1015.9 1012.9 1008.7 1006.3 1009.7 1012.5 1018.3 1020.0 1024.2 1015.3 MAX. QNH PRESSURE IN HPA 1027.5 1024.8 1023.9 1019.9 1018.2 1015.4 1009.4 1015.0 1020.6 1021.3 1027.0 1030.7 1030.7 DAY 3 12 19 1 12 1 27 19 30 27 14 6 MIN. QNH PRESSURE IN HPA 1011.4 1009.9 1009.6 1011.7 1004.7 1002.0 1003.6 1004.8 1007.7 1015.3 1014.8 1015.8 1002.0 DAY 18 6 3 9 21 25 11 7 16 25 26 16 MEAN QFF PRESSURE IN HPA 1019.2 1015.4 1011.4 1008.2 1003.3 997.0 994.9 998.9 1002.7 1010.8 1015.3 1022.6 1008.3 MAX. QFF PRESSURE IN HPA 1030.2 1022.9 1022.4 1015.2 1009.3 1005.0 999.2 1004.3 1013.3 1015.1 1023.9 1029.2 1030.2 DAY 3 7 19 11 12 1 27 19 30 27 14 6 MIN. QFF PRESSURE IN HPA 1007.4 1005.7 1005.6 1002.8 993.4 990.4 990.6 993.4 997.3 1007.4 1008.2 1012.1 990.4 DAY 18 21 3 9 21 26 10 7 16 25 2 16 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 896.1 895.1 892.4 892.3 889.9 886.5 884.4 887.1 889.5 894.3 895.9 899.4 891.9 MAX. QFE PRESSURE IN HPA 902.7 900.3 900.0 896.6 894.4 892.9 887.2 891.9 896.4 896.8 902.1 904.0 904.0 DAY 2 12 19 12 12 1 31 19 30 11 14 6 MIN. QFE PRESSURE IN HPA 887.5 888.1 886.6 888.2 883.7 880.0 881.9 883.0 884.6 891.3 890.6 892.1 880.0 DAY 18 6 2 9 21 25 12 6 16 25 1 16 MEAN QNH PRESSURE IN HPA 1018.1 1016.9 1014.0 1013.9 1011.2 1007.5 1005.1 1008.1 1010.8 1016.1 1017.8 1021.8 1013.4 MAX. QNH PRESSURE IN HPA 1025.4 1022.8 1022.4 1018.7 1016.2 1014.5 1008.2 1013.4 1018.4 1018.9 1024.8 1026.9 1026.9 DAY 2 12 19 12 12 1 31 19 30 11 14 6 MIN. QNH PRESSURE IN HPA 1008.6 1009.2 1007.6 1009.3 1004.3 1000.2 1002.3 1003.6 1005.3 1012.8 1012.0 1013.7 1000.2 DAY 18 6 2 9 21 25 12 6 16 25 1 16 MEAN QFF PRESSURE IN HPA 1016.7 1013.2 1009.4 1006.1 1001.6 995.8 993.5 997.5 1000.9 1008.3 1012.9 1019.7 1006.3 MAX. QFF PRESSURE IN HPA 1027.2 1020.5 1020.8 1014.0 1007.5 1004.0 997.5 1003.5 1011.2 1012.3 1021.5 1024.8 1027.2 DAY 3 7 19 12 27 1 28 19 29 28 14 6 MIN. QFF PRESSURE IN HPA 1003.8 1003.6 1002.6 1000.3 993.7 988.3 989.4 992.6 994.6 1004.3 1004.5 1009.6 988.3 DAY 18 21 2 9 21 25 10 6 16 25 1 16 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 894.8 893.5 890.9 890.6 888.1 885.2 883.1 885.7 888.4 893.2 894.8 898.3 890.6 MAX. QFE PRESSURE IN HPA 903.0 898.8 896.8 894.3 892.8 891.5 885.8 891.0 895.4 895.9 901.2 903.5 903.5 DAY 2 12 19 12 30 1 31 20 30 10 14 6 MIN. QFE PRESSURE IN HPA 887.7 885.7 886.2 887.0 882.0 878.5 880.8 882.0 884.0 890.8 889.2 891.7 878.5 DAY 18 6 3 18 21 25 10 6 16 22 1 16 MEAN QNH PRESSURE IN HPA 1016.7 1015.3 1012.4 1012.0 1009.3 1006.0 1003.6 1006.6 1009.5 1014.9 1016.6 1020.6 1011.9 MAX. QNH PRESSURE IN HPA 1025.7 1021.1 1018.9 1016.1 1014.4 1013.0 1006.7 1012.4 1017.3 1017.9 1023.7 1026.3 1026.3 DAY 2 12 19 12 30 1 31 20 30 10 14 6 MIN. QNH PRESSURE IN HPA 1008.8 1006.6 1007.1 1008.0 1002.5 998.6 1001.1 1002.5 1004.7 1012.2 1010.4 1013.2 998.6 DAY 18 6 3 18 21 25 10 6 16 22 1 16 MEAN QFF PRESSURE IN HPA 1015.4 1011.5 1007.9 1004.5 999.9 994.4 992.3 996.0 999.9 1007.3 1011.8 1018.7 1005.0 MAX. QFF PRESSURE IN HPA 1025.8 1018.7 1017.4 1011.6 1005.6 1002.3 996.3 1002.3 1010.1 1011.5 1020.9 1025.0 1025.8 DAY 2 1 19 12 30 1 31 20 30 27 14 6 MIN. QFF PRESSURE IN HPA 1005.0 1001.3 1001.6 999.7 992.1 986.6 988.4 991.3 994.1 1004.1 1002.8 1009.7 986.6 DAY 18 6 23 9 21 23 10 6 16 22 1 16 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 1999 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 895.8 894.4 891.5 891.0 888.3 884.9 883.2 886.0 888.7 893.7 895.8 899.3 891.0 MAX. QFE PRESSURE IN HPA 904.9 899.8 896.8 894.9 892.9 891.5 885.9 890.7 895.6 896.1 902.1 904.5 904.9 DAY 2 7 19 11 12 1 28 18 29 10 14 6 MIN. QFE PRESSURE IN HPA 887.8 888.0 887.4 887.0 881.7 877.9 880.5 882.2 884.4 889.9 890.5 892.3 877.9 DAY 18 6 3 14 20 23 2 6 16 13 1 15 MEAN QNH PRESSURE IN HPA 1017.8 1016.2 1012.9 1012.4 1009.5 1005.7 1003.8 1006.9 1009.8 1015.5 1017.7 1021.6 1012.5 MAX. QNH PRESSURE IN HPA 1027.9 1022.2 1018.9 1016.8 1014.5 1013.0 1006.8 1012.1 1017.5 1018.1 1024.8 1027.4 1027.9 DAY 2 7 19 11 12 1 28 18 29 10 14 6 MIN. QNH PRESSURE IN HPA 1008.9 1009.1 1008.4 1008.0 1002.1 997.9 1000.8 1002.7 1005.1 1011.2 1011.9 1013.9 997.9 DAY 18 6 3 14 20 23 2 6 16 13 1 15 MEAN QFF PRESSURE IN HPA 1017.4 1013.2 1009.3 1005.4 1000.5 994.4 992.7 996.9 1000.9 1008.8 1014.0 1021.0 1006.2 MAX. QFF PRESSURE IN HPA 1029.2 1021.0 1018.6 1012.8 1006.4 1002.6 996.8 1002.3 1011.2 1012.4 1023.7 1027.5 1029.2 DAY 2 7 19 11 12 1 28 18 29 27 30 6 MIN. QFF PRESSURE IN HPA 1005.7 1004.1 1003.1 1000.3 992.1 986.1 988.2 992.1 995.1 1003.5 1005.2 1011.7 986.1 DAY 18 6 23 9 21 23 2 6 16 13 1 16 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 896.6 895.6 892.6 892.3 889.6 885.7 884.3 887.4 889.7 894.9 896.6 900.1 892.1 MAX. QFE PRESSURE IN HPA 905.3 900.2 897.8 896.3 894.4 892.3 887.4 892.2 896.6 897.8 902.6 904.8 905.3 DAY 2 7 19 11 12 1 28 18 29 10 30 6 MIN. QFE PRESSURE IN HPA 888.0 889.7 887.1 887.3 882.6 879.0 880.9 883.2 885.8 892.9 892.1 892.6 879.0 DAY 18 20 2 14 20 23 2 6 16 24 1 15 MEAN QNH PRESSURE IN HPA 1018.7 1017.5 1014.2 1013.8 1010.9 1006.6 1005.0 1008.4 1011.0 1016.8 1018.7 1022.6 1013.7 MAX. QNH PRESSURE IN HPA 1028.3 1022.6 1020.0 1018.3 1016.2 1013.9 1008.4 1013.8 1018.7 1020.0 1025.3 1027.7 1028.3 DAY 2 7 19 11 12 1 28 18 29 10 30 6 MIN. QNH PRESSURE IN HPA 1009.1 1011.0 1008.1 1008.3 1003.1 999.1 1001.2 1003.8 1006.7 1014.5 1013.7 1014.2 999.1 DAY 18 20 2 14 20 23 2 6 16 24 1 15 MEAN QFF PRESSURE IN HPA 1017.7 1014.0 1009.7 1006.1 1001.3 994.8 993.5 997.6 1001.2 1009.2 1014.1 1021.0 1006.7 MAX. QFF PRESSURE IN HPA 1030.0 1021.7 1019.0 1014.0 1007.8 1003.1 998.0 1003.1 1011.6 1013.7 1024.2 1027.2 1030.0 DAY 2 7 19 11 12 1 28 19 30 27 30 6 MIN. QFF PRESSURE IN HPA 1005.5 1004.8 1002.8 1000.0 992.0 986.4 988.1 992.3 996.1 1005.9 1005.6 1011.2 986.4 DAY 18 20 23 14 20 23 2 6 16 13 1 15 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 896.2 895.0 892.1 892.0 889.3 885.3 884.2 886.9 889.6 894.5 896.3 899.6 891.8 MAX. QFE PRESSURE IN HPA 904.0 899.8 897.8 896.3 894.0 891.5 887.1 891.3 896.6 897.4 902.4 903.8 904.0 DAY 2 7 19 11 12 1 18 19 29 10 30 5 MIN. QFE PRESSURE IN HPA 887.4 887.5 885.0 887.3 882.1 879.0 880.9 883.2 885.8 891.7 891.9 892.3 879.0 DAY 18 5 2 14 20 23 2 6 16 24 25 15 MEAN QNH PRESSURE IN HPA 1018.3 1016.9 1013.7 1013.6 1010.6 1006.2 1004.9 1007.9 1010.9 1016.4 1018.3 1022.0 1013.3 MAX. QNH PRESSURE IN HPA 1026.9 1022.2 1020.0 1018.3 1015.8 1013.0 1008.1 1012.8 1018.7 1019.5 1025.1 1026.6 1026.9 DAY 2 7 19 11 12 1 18 19 29 10 30 5 MIN. QNH PRESSURE IN HPA 1008.4 1008.6 1005.8 1008.3 1002.6 999.1 1001.2 1003.8 1006.7 1013.2 1013.4 1013.9 999.1 DAY 18 5 2 14 20 23 2 6 16 24 25 15 MEAN QFF PRESSURE IN HPA 1016.9 1013.1 1008.9 1005.6 1001.0 994.4 993.2 997.2 1000.9 1008.5 1013.3 1019.8 1006.1 MAX. QFF PRESSURE IN HPA 1028.4 1020.9 1018.9 1013.7 1007.4 1002.2 997.5 1002.8 1011.2 1013.5 1024.1 1025.6 1028.4 DAY 2 1 19 11 12 1 31 18 29 27 30 1 MIN. QFF PRESSURE IN HPA 1004.1 1003.8 1000.4 999.9 991.3 986.2 988.1 992.5 995.7 1004.8 1005.2 1010.6 986.2 DAY 18 20 2 14 20 23 2 6 16 24 1 15 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 2000 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 11.7 12.8 17.6 27.4 33.6 32.7 32.4 31.7 30.6 24.2 15.4 13.1 23.6 MINIMUN AIR TEMPERATURE (C) 7.0 7.3 11.6 21.1 27.2 26.4 26.7 25.7 24.7 18.6 11.0 8.0 17.9 DAYS WITH MINIMUM TEMP. >=21 0 0 0 18 31 30 31 31 30 3 0 0 174 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 3 0 0 0 0 0 0 0 0 0 0 0 3 TEMPERATURE RECORDS LOWEST(C) -0.6 2.4 4.4 13.6 24.0 22.0 23.4 23.0 21.0 15.6 6.0 2.6 -0.6 DAY 14 10 5 1 15 15 21 20 11 5 19 19 MAXIMUM AIR TEMPERATURE (C) 17.6 18.8 24.0 33.8 39.7 38.7 37.6 37.6 37.2 31.0 21.1 19.4 29.7 DAYS WITH MAXIMUM TEMP. >=30 0 0 3 26 31 30 31 31 30 24 3 0 209 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 28.0 28.6 33.6 38.6 43.4 43.8 42.0 39.6 40.4 37.4 31.0 27.0 43.8 DAY 29 28 24 22 30 25 8 4 2 2 3 24 DIF. BETWEEN (MAX.-MIN.) (C) 10.6 11.5 12.4 12.7 12.5 12.3 10.9 11.9 12.5 12.4 10.1 11.4 11.8 MEAN DAILY TEMP. (MDT) (C) 12.3 13.0 17.8 27.4 33.5 32.6 32.1 31.6 30.9 24.8 16.0 13.7 23.8 COOLING DEG. DAYS(BASE 21 0C) 0.0 1.8 16.7 192.4 386.3 347.2 344.7 329.6 297.1 120.0 15.0 0.0 2050.8 HEATING DEG. DAYS(BASE 18 0C) 180.4 151.7 52.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 91.8 136.8 612.8 DEWPOINT (MEAN C) -3.6 -5.3 -4.1 -1.2 0.1 -1.4 0.8 -0.7 2.7 1.4 -1.1 -2.3 -1.2 MIXING RATIO (G/KG) 3.59 3.03 3.52 4.06 4.47 4.06 4.70 4.23 5.43 4.88 4.17 3.80 4.16 VAPOUR PRESSURE (HPA) 5.12 4.33 5.01 5.78 6.32 5.73 6.64 5.99 7.69 6.96 5.98 5.44 5.92 SATURATION DEF. (HPA) 9.49 11.33 16.21 32.14 47.14 45.42 43.12 41.93 37.44 24.25 12.40 10.26 27.59 RELATIVE HUMIDITY (MEAN %) 40 30 26 16 13 12 14 13 18 24 35 37 23 RELATIVE HUMIDITY (MAX. %) 58 45 39 24 19 19 20 19 26 33 47 51 33 RELATIVE HUMIDITY (MIN. %) 25 17 15 10 7 7 9 8 10 15 23 23 14 RELATIVE HUMIDITY (MEAN% 03UTC) 48 39 35 21 16 15 18 15 23 30 43 44 29 RELATIVE HUMIDITY (MEAN% 09UTC) 27 19 17 11 8 8 11 9 11 16 25 26 16 RELATIVE HUMIDITY (MEAN% 15UTC) 37 27 24 14 11 10 11 11 15 24 33 37 21 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 22.9 0.0 20.0 0.0 1.0 0.0 0.0 0.0 0.0 1.0 2.8 0.0 47.7 DAYS WITH PRECIPITATION >=10 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH PRECIPITATION >= 5 2 0 2 0 0 0 0 0 0 0 0 0 4 DAYS WITH PRECIPITATION >= 1 4 0 4 0 1 0 0 0 0 1 1 0 11 DAYS WITH PRECIPITATION 6 0 4 0 1 0 0 0 0 1 2 0 14 GREATEST DAILY PRECIPITATION 9.0 0.0 9.0 0.0 1.0 0.0 0.0 0.0 0.0 1.0 2.0 0.0 9.0 DAY 18 ** 30 ** 17 ** ** ** ** 4 6 ** DAY WITH THUNDER STORM 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 1 4 12 4 3 5 5 6 3 2 0 0 45 WIND DIRECTION (PREVAILING) 270 270 270 315 315 360 360 360 270 270 45 270 270 PREVAILING WIND SPEED(KNOTS) 12.3 9.2 9.9 9.5 8.5 9.9 10.9 11.2 9.4 10.3 9.0 9.0 9.6 PREVAILING WIND PERCENT 8.9 10.8 11.3 18.3 15.7 16.7 31.0 21.0 11.7 16.9 9.6 10.1 12.6 CALMS PERCENT OF WIND 68.5 62.1 52.0 47.9 50.4 40.4 38.3 46.4 58.8 53.2 65.8 71.4 54.6 NO. OF WIND OBSERVATION 248 232 248 240 248 240 248 248 240 248 240 248 2928 VECTOR WIND DIRECTION (MEAN) 309 329 318 317 319 333 346 333 334 326 347 316 330 VECTOR WIND MAGNITUDE(KNOTS) 1.5 1.3 1.7 2.7 2.3 3.4 5.0 4.1 2.0 1.8 1.3 0.9 2.3 WIND STEADINESES (MEAN %) 50.0 40.6 38.6 56.3 53.5 64.2 78.1 71.9 48.8 39.1 43.3 36.0 53.5 WIND SPEED (MEAN KNOTS) 3.0 3.2 4.4 4.8 4.3 5.3 6.4 5.7 4.1 4.6 3.0 2.5 4.3 FASTEST WIND DIRECTION 270 30 270 30 270 340 360 10 180 300 270 240 270 FASTEST WIND SPEED (KNOTS) 23 19 19 19 23 23 19 23 19 19 19 19 23 DAY 29 3 9 5 16 30 12 2 4 13 4 11 DAYS WITH SKY CLEAR (0-2)/8 18 22 22 23 27 30 31 31 27 29 19 24 303 DAYS WITH P.CLOUDY (3-6)/8 7 6 9 7 4 0 0 0 3 2 10 5 53 DAYS WITH CLOUDY (7-8)/8 6 1 0 0 0 0 0 0 0 0 1 2 10 DAYS WITH VISIBILITY =< 2 KM 1 0 2 0 1 2 0 0 0 0 0 0 6 DURATION OF SUNSHINE HOURS 224.6 274.1 297.0 305.2 356.1 352.7 375.0 360.5 299.5 306.8 240.1 252.4 3644.0 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 2000 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 895.1 894.5 893.0 891.3 887.2 885.8 886.1 887.2 889.5 895.0 897.9 897.0 891.6 MAX. QFE PRESSURE IN HPA 904.8 903.6 899.8 897.6 894.1 891.8 892.5 892.4 895.6 901.3 907.6 905.3 907.6 DAY-HOUR 31- 6 11- 6 4- 6 3- 6 6- 6 17- 6 20-21 23- 6 29- 6 16- 6 17- 6 17- 6 MIN. QFE PRESSURE IN HPA 886.2 885.1 884.7 886.3 881.6 879.2 880.0 882.3 880.7 888.9 887.7 888.8 879.2 DAY-HOUR 21- 0 7-18 2-15 29-12 27-12 25-15 9-15 31-12 2-15 2-12 6-12 15-12 MEAN QNH PRESSURE IN HPA 1016.9 1016.3 1014.6 1012.7 1008.2 1006.7 1007.0 1008.2 1010.7 1016.9 1020.1 1019.1 1013.1 MAX. QNH PRESSURE IN HPA 1027.7 1026.4 1022.2 1019.8 1015.9 1013.3 1014.1 1014.0 1017.5 1023.9 1030.9 1028.3 1030.9 DAY-HOUR 31- 6 11- 6 4- 6 3- 6 6- 6 17- 6 20-21 23- 6 29- 6 16- 6 17- 6 17- 6 MIN. QNH PRESSURE IN HPA 1007.1 1005.9 1005.4 1007.2 1002.0 999.3 1000.2 1002.8 1001.0 1010.1 1008.8 1010.0 999.3 DAY-HOUR 21- 0 7-18 2-15 29-12 27-12 25-15 9-15 31-12 2-15 2-12 6-12 15-12 MEAN QFF PRESSURE IN HPA 1015.2 1014.2 1010.3 1004.4 997.3 996.1 996.5 998.1 1000.9 1009.8 1016.7 1016.8 1006.4 MAX. QFF PRESSURE IN HPA 1028.0 1026.9 1020.7 1013.6 1005.9 1004.1 1005.3 1004.5 1008.2 1017.1 1028.8 1027.6 1028.8 DAY-HOUR 31- 3 11- 6 4- 6 3- 3 6- 3 17- 3 20-21 23- 6 29- 6 16- 6 17- 6 17- 6 MIN. QFF PRESSURE IN HPA 1002.7 1001.7 1000.9 997.0 989.8 987.5 988.2 992.2 990.5 1000.2 1002.7 1006.9 987.5 DAY-HOUR 21- 0 7-18 13-21 22-12 27-12 26-15 9-15 4- 0 2-15 2-12 6-12 15-12 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 894.4 893.9 892.4 890.8 886.8 885.5 885.7 886.8 888.8 894.4 897.3 896.6 891.1 MAX. QFE PRESSURE IN HPA 903.3 900.5 897.6 895.5 892.1 890.0 890.0 890.0 893.7 898.0 904.0 901.8 904.0 DAY 31 11 4 3 6 4 21 14 29 7 17 18 MIN. QFE PRESSURE IN HPA 886.2 885.2 887.2 888.4 882.4 880.6 880.6 882.6 881.6 889.2 890.7 889.5 880.6 DAY 21 8 14 18 27 25 9 4 1 2 6 16 MEAN QNH PRESSURE IN HPA 1016.2 1015.6 1014.0 1012.2 1007.8 1006.3 1006.6 1007.8 1010.0 1016.2 1019.5 1018.6 1012.6 MAX. QNH PRESSURE IN HPA 1026.1 1023.0 1019.8 1017.4 1013.7 1011.3 1011.3 1011.3 1015.4 1020.2 1026.9 1024.4 1026.9 DAY 31 11 4 3 6 4 21 14 29 7 17 18 MIN. QNH PRESSURE IN HPA 1007.1 1006.0 1008.2 1009.6 1002.9 1000.9 1000.9 1003.1 1002.0 1010.4 1012.1 1010.8 1000.9 DAY 21 8 14 18 27 25 9 4 1 2 6 16 MEAN QFF PRESSURE IN HPA 1014.2 1013.3 1009.6 1003.9 996.9 995.7 996.0 997.6 1000.0 1008.9 1015.9 1016.0 1005.7 MAX. QFF PRESSURE IN HPA 1025.6 1023.1 1018.4 1011.2 1003.6 1001.8 1002.4 1002.0 1006.2 1014.4 1024.3 1024.1 1025.6 DAY 31 11 4 3 6 17 21 21 29 7 17 18 MIN. QFF PRESSURE IN HPA 1002.7 1002.5 1002.7 999.3 991.0 988.9 989.2 992.2 990.6 1001.5 1005.5 1007.2 988.9 DAY 21 8 14 23 27 26 9 4 3 2 6 12 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 895.3 894.9 893.7 892.3 888.4 886.7 887.0 888.1 890.1 895.8 898.5 897.5 892.3 MAX. QFE PRESSURE IN HPA 904.6 902.4 898.7 897.0 893.6 891.5 890.7 891.2 894.7 899.6 906.0 903.0 906.0 DAY 31 11 4 3 6 17 26 24 29 16 17 17 MIN. QFE PRESSURE IN HPA 887.9 887.1 888.9 889.9 884.5 881.1 881.9 884.7 883.1 891.0 892.5 889.3 881.1 DAY 21 8 14 20 17 26 9 4 2 2 6 15 MEAN QNH PRESSURE IN HPA 1017.2 1016.8 1015.4 1013.9 1009.5 1007.7 1008.0 1009.3 1011.4 1017.7 1020.8 1019.6 1013.9 MAX. QNH PRESSURE IN HPA 1027.5 1025.1 1021.0 1019.1 1015.3 1013.0 1012.1 1012.7 1016.5 1022.0 1029.1 1025.7 1029.1 DAY 31 11 4 3 6 17 26 24 29 16 17 17 MIN. QNH PRESSURE IN HPA 1009.0 1008.1 1010.1 1011.2 1005.2 1001.5 1002.3 1005.4 1003.7 1012.4 1014.1 1010.6 1001.5 DAY 21 8 14 20 17 26 9 4 2 2 6 15 MEAN QFF PRESSURE IN HPA 1016.1 1015.4 1011.9 1006.2 999.0 997.4 997.8 999.6 1002.2 1011.3 1018.1 1018.1 1007.7 MAX. QFF PRESSURE IN HPA 1028.0 1026.5 1020.2 1013.6 1005.9 1004.1 1002.8 1003.7 1008.0 1016.5 1027.3 1025.9 1028.0 DAY 31 11 4 3 6 17 26 23 29 6 17 18 MIN. QFF PRESSURE IN HPA 1005.7 1005.6 1005.3 1002.2 993.7 989.8 990.4 994.7 993.3 1003.6 1007.8 1007.5 989.8 DAY 21 8 14 23 30 26 9 4 2 2 6 15 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 2000 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 896.8 896.2 894.8 893.1 889.1 887.2 887.6 888.7 891.1 897.0 899.6 898.9 893.3 MAX. QFE PRESSURE IN HPA 904.8 903.6 899.8 897.6 894.1 891.8 891.1 892.4 895.6 901.3 907.6 905.3 907.6 DAY 31 11 4 3 6 17 26 23 29 16 17 17 MIN. QFE PRESSURE IN HPA 890.4 889.8 890.1 890.3 885.0 881.8 882.4 884.9 883.9 891.8 892.3 892.7 881.8 DAY 21 7 5 20 27 25 9 31 1 2 6 15 MEAN QNH PRESSURE IN HPA 1018.9 1018.2 1016.7 1014.8 1010.3 1008.3 1008.6 1009.9 1012.6 1019.1 1022.0 1021.2 1015.0 MAX. QNH PRESSURE IN HPA 1027.7 1026.4 1022.2 1019.8 1015.9 1013.3 1012.5 1014.0 1017.5 1023.9 1030.9 1028.3 1030.9 DAY 31 11 4 3 6 17 26 23 29 16 17 17 MIN. QNH PRESSURE IN HPA 1011.8 1011.1 1011.4 1011.7 1005.8 1002.2 1002.9 1005.7 1004.6 1013.3 1013.9 1014.3 1002.2 DAY 21 7 5 20 27 25 9 31 1 2 6 15 MEAN QFF PRESSURE IN HPA 1017.2 1016.0 1012.2 1006.3 999.3 997.5 998.0 999.5 1002.6 1011.8 1018.6 1018.9 1008.2 MAX. QFF PRESSURE IN HPA 1027.2 1026.9 1020.7 1013.4 1005.7 1003.9 1003.2 1004.5 1008.2 1017.1 1028.8 1027.6 1028.8 DAY 31 11 4 3 6 17 20 23 29 16 17 17 MIN. QFF PRESSURE IN HPA 1008.1 1007.6 1006.4 1001.8 993.9 990.0 990.9 995.0 993.8 1003.9 1007.3 1011.2 990.0 DAY 21 26 14 20 27 26 9 31 1 2 6 12 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 894.7 894.5 893.2 891.5 887.8 886.1 886.3 887.4 889.6 895.0 897.7 896.7 891.7 MAX. QFE PRESSURE IN HPA 902.6 901.1 897.7 896.2 892.9 890.8 890.9 891.1 893.8 899.7 904.7 903.7 904.7 DAY 31 11 4 3 5 3 20 19 29 5 17 17 MIN. QFE PRESSURE IN HPA 887.9 887.1 888.5 888.2 883.5 880.3 881.3 883.5 881.9 890.4 889.2 890.1 880.3 DAY 17 7 2 22 27 25 9 30 2 2 6 15 MEAN QNH PRESSURE IN HPA 1016.6 1016.3 1014.9 1013.0 1008.9 1007.0 1007.2 1008.4 1010.9 1016.9 1019.9 1018.8 1013.2 MAX. QNH PRESSURE IN HPA 1025.3 1023.6 1019.9 1018.2 1014.5 1012.2 1012.3 1012.5 1015.5 1022.1 1027.6 1026.5 1027.6 DAY 31 11 4 3 5 3 20 19 29 5 17 17 MIN. QNH PRESSURE IN HPA 1009.0 1008.1 1009.7 1009.3 1004.1 1000.6 1001.7 1004.1 1002.3 1011.8 1010.4 1011.4 1000.6 DAY 17 7 2 22 27 25 9 30 2 2 6 15 MEAN QFF PRESSURE IN HPA 1014.4 1013.8 1010.2 1004.4 997.9 996.4 996.6 998.1 1000.9 1009.4 1016.1 1016.1 1006.2 MAX. QFF PRESSURE IN HPA 1024.7 1023.6 1018.2 1011.9 1004.2 1002.5 1003.2 1003.1 1005.9 1016.6 1025.5 1025.7 1025.7 DAY 31 11 4 3 5 14 20 23 29 5 17 17 MIN. QFF PRESSURE IN HPA 1006.2 1004.6 1004.6 998.9 992.0 989.0 989.7 993.6 991.3 1002.3 1003.8 1008.7 989.0 DAY 17 7 9 22 27 25 9 30 2 2 6 26 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 893.9 893.2 891.4 889.7 885.8 884.7 885.0 885.9 888.3 893.7 896.6 895.8 890.3 MAX. QFE PRESSURE IN HPA 900.2 899.6 895.0 894.3 891.1 889.5 889.7 889.3 892.6 898.1 903.8 902.2 903.8 DAY 31 11 4 3 5 3 20 23 29 16 17 17 MIN. QFE PRESSURE IN HPA 887.0 885.8 885.6 886.3 881.6 879.5 880.2 882.3 881.0 888.9 887.7 888.8 879.5 DAY 21 7 2 29 27 25 9 31 1 2 6 15 MEAN QNH PRESSURE IN HPA 1015.7 1014.9 1012.9 1011.0 1006.7 1005.4 1005.8 1006.8 1009.4 1015.4 1018.6 1017.8 1011.7 MAX. QNH PRESSURE IN HPA 1022.6 1022.0 1016.9 1016.1 1012.5 1010.8 1011.0 1010.6 1014.2 1020.3 1026.6 1024.9 1026.6 DAY 31 11 4 3 5 3 20 23 29 16 17 17 MIN. QNH PRESSURE IN HPA 1008.0 1006.7 1006.4 1007.2 1002.0 999.7 1000.5 1002.8 1001.3 1010.1 1008.8 1010.0 999.7 DAY 21 7 2 29 27 25 9 31 1 2 6 15 MEAN QFF PRESSURE IN HPA 1013.7 1012.5 1008.5 1002.5 995.8 994.9 995.3 996.6 999.5 1008.1 1015.1 1015.2 1004.8 MAX. QFF PRESSURE IN HPA 1022.3 1021.9 1015.4 1010.0 1002.2 1000.7 1001.6 1000.6 1004.8 1013.9 1025.0 1024.0 1025.0 DAY 31 11 4 3 4 17 20 20 29 6 17 17 MIN. QFF PRESSURE IN HPA 1003.0 1003.1 1002.0 997.0 989.8 987.6 988.7 992.6 990.7 1000.2 1002.7 1006.9 987.6 DAY 21 7 2 22 27 26 9 31 2 2 6 15 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 2000 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 894.9 893.9 892.0 890.0 885.7 884.7 885.0 886.2 888.5 894.4 897.5 896.6 890.8 MAX. QFE PRESSURE IN HPA 901.1 900.2 895.2 894.6 891.4 889.1 891.5 889.8 893.2 899.0 905.0 903.1 905.0 DAY 24 10 3 3 5 3 20 23 29 16 17 17 MIN. QFE PRESSURE IN HPA 888.5 885.2 884.7 886.8 881.6 879.2 880.0 882.3 880.7 888.9 889.7 890.6 879.2 DAY 21 7 2 22 27 25 9 31 2 2 6 11 MEAN QNH PRESSURE IN HPA 1016.8 1015.6 1013.5 1011.3 1006.6 1005.4 1005.8 1007.1 1009.7 1016.2 1019.6 1018.6 1012.2 MAX. QNH PRESSURE IN HPA 1023.6 1022.6 1017.1 1016.4 1012.9 1010.3 1013.0 1011.1 1014.9 1021.3 1028.0 1025.9 1028.0 DAY 24 10 3 3 5 3 20 23 29 16 17 17 MIN. QNH PRESSURE IN HPA 1009.7 1006.0 1005.4 1007.8 1002.0 999.3 1000.2 1002.8 1001.0 1010.1 1011.0 1012.0 999.3 DAY 21 7 2 22 27 25 9 31 2 2 6 11 MEAN QFF PRESSURE IN HPA 1015.7 1014.1 1009.9 1003.4 996.1 995.1 995.7 997.3 1000.5 1009.8 1016.9 1017.0 1006.0 MAX. QFF PRESSURE IN HPA 1024.0 1024.0 1015.9 1011.1 1003.1 1001.1 1003.9 1002.0 1006.2 1015.4 1027.0 1026.3 1027.0 DAY 24 10 4 3 5 16 20 23 29 6 17 17 MIN. QFF PRESSURE IN HPA 1005.9 1003.2 1002.0 998.5 990.5 987.5 988.2 992.9 990.5 1001.0 1005.7 1009.0 987.5 DAY 21 7 2 22 27 26 9 31 2 2 6 11 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 895.6 894.9 893.2 891.6 887.2 885.9 886.3 887.5 889.9 895.3 898.4 897.4 891.9 MAX. QFE PRESSURE IN HPA 902.9 901.2 897.0 895.4 893.2 890.3 892.1 890.8 894.4 899.5 905.7 903.6 905.7 DAY 30 10 3 3 5 3 20 23 29 16 17 17 MIN. QFE PRESSURE IN HPA 889.3 885.1 885.5 888.5 883.1 880.7 880.7 883.1 882.5 890.6 891.0 890.7 880.7 DAY 21 7 13 22 27 26 9 31 1 1 6 15 MEAN QNH PRESSURE IN HPA 1017.5 1016.8 1014.9 1013.1 1008.2 1006.8 1007.2 1008.6 1011.2 1017.2 1020.6 1019.5 1013.5 MAX. QNH PRESSURE IN HPA 1025.6 1023.7 1019.1 1017.3 1014.9 1011.7 1013.7 1012.2 1016.2 1021.9 1028.7 1026.4 1028.7 DAY 30 10 3 3 5 3 20 23 29 16 17 17 MIN. QNH PRESSURE IN HPA 1010.6 1005.9 1006.3 1009.7 1003.7 1001.0 1001.0 1003.7 1003.0 1012.0 1012.4 1012.1 1001.0 DAY 21 7 13 22 27 26 9 31 1 1 6 15 MEAN QFF PRESSURE IN HPA 1015.9 1014.5 1010.3 1004.5 997.1 996.0 996.6 998.1 1001.2 1010.0 1017.2 1017.2 1006.6 MAX. QFF PRESSURE IN HPA 1024.1 1024.6 1017.0 1011.3 1004.5 1002.1 1004.8 1002.1 1006.5 1015.2 1027.3 1026.4 1027.3 DAY 24 10 3 3 5 16 20 23 29 16 17 17 MIN. QFF PRESSURE IN HPA 1005.9 1001.7 1001.1 999.7 991.4 988.4 988.8 992.8 992.2 1002.1 1006.9 1008.2 988.4 DAY 21 7 13 22 27 26 9 31 1 2 6 26 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 894.9 894.5 893.0 891.3 886.9 885.7 886.0 887.2 889.6 894.9 897.8 896.8 891.5 MAX. QFE PRESSURE IN HPA 902.8 900.9 897.6 895.5 892.2 890.2 892.5 891.6 893.7 898.9 903.9 902.6 903.9 DAY 30 10 3 2 5 16 20 13 28 16 17 17 MIN. QFE PRESSURE IN HPA 887.5 885.8 885.5 888.8 882.8 881.3 880.7 882.6 881.7 890.2 891.0 889.4 880.7 DAY 20 7 13 22 26 25 9 3 2 1 6 15 MEAN QNH PRESSURE IN HPA 1016.8 1016.3 1014.7 1012.8 1007.9 1006.6 1006.9 1008.2 1010.8 1016.8 1019.9 1018.9 1013.0 MAX. QNH PRESSURE IN HPA 1025.5 1023.4 1019.8 1017.4 1013.8 1011.6 1014.1 1013.1 1015.4 1021.2 1026.7 1025.3 1026.7 DAY 30 10 3 2 5 16 20 13 28 16 17 17 MIN. QNH PRESSURE IN HPA 1008.6 1006.7 1006.3 1010.0 1003.3 1001.7 1001.0 1003.1 1002.1 1011.6 1012.4 1010.7 1001.0 DAY 20 7 13 22 26 25 9 3 2 1 6 15 MEAN QFF PRESSURE IN HPA 1014.7 1013.7 1009.9 1004.0 996.7 995.9 996.3 997.9 1000.7 1009.3 1016.2 1016.1 1006.0 MAX. QFF PRESSURE IN HPA 1024.0 1023.5 1017.7 1011.2 1003.3 1001.9 1005.3 1003.8 1006.0 1014.5 1025.1 1025.2 1025.2 DAY 24 10 3 3 5 16 20 13 28 5 17 17 MIN. QFF PRESSURE IN HPA 1004.8 1002.8 1000.9 999.9 991.7 989.1 988.5 992.3 990.6 1002.1 1006.8 1007.1 988.5 DAY 21 7 13 22 27 26 9 3 2 2 5 26 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 2001 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 9.5 13.4 19.3 27.0 32.5 33.8 35.5 32.7 30.3 25.2 18.2 15.6 24.4 MINIMUN AIR TEMPERATURE (C) 4.3 7.5 13.5 20.6 25.7 27.8 29.8 26.5 24.5 19.0 12.8 10.6 18.5 DAYS WITH MINIMUM TEMP. >=21 0 0 0 13 30 30 31 31 26 5 0 0 166 DAYS WITH MINIMUM TEMP. <=-4 1 0 0 0 0 0 0 0 0 0 0 0 1 DAYS WITH FREEZING MIN.<= 0 4 1 0 0 0 0 0 0 0 0 0 0 5 TEMPERATURE RECORDS LOWEST(C) -5.2 -1.0 6.0 16.6 20.0 23.6 21.8 22.0 20.0 14.6 7.4 7.6 -5.2 DAY 29 1 13 4 1 24 31 15 21 13 21 24 MAXIMUM AIR TEMPERATURE (C) 16.2 19.9 25.9 33.4 38.7 39.7 40.9 38.5 36.4 32.3 24.6 22.0 30.7 DAYS WITH MAXIMUM TEMP. >=30 0 0 3 27 31 30 31 31 28 26 2 0 209 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 23.0 27.0 30.6 38.8 41.6 45.2 44.6 42.6 42.0 37.0 31.6 28.8 45.2 DAY 4 15 10 28 18 30 3 31 1 2 7 6 DIF. BETWEEN (MAX.-MIN.) (C) 11.9 12.4 12.4 12.8 13.0 11.9 11.1 12.0 11.9 13.3 11.8 11.4 12.2 MEAN DAILY TEMP. (MDT) (C) 10.2 13.7 19.7 27.0 32.2 33.7 35.4 32.5 30.4 25.6 18.7 16.3 24.6 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 19.6 179.5 347.7 382.3 445.1 356.3 283.1 143.7 11.6 4.0 2172.9 HEATING DEG. DAYS(BASE 18 0C) 240.4 125.5 23.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 31.0 66.9 486.8 DEWPOINT (MEAN C) -5.0 -5.5 0.1 -0.1 2.7 2.8 5.1 0.8 2.9 -1.5 -2.7 2.5 0.2 MIXING RATIO (G/KG) 3.06 3.04 4.52 4.38 5.38 5.72 6.60 4.91 5.42 4.05 3.64 5.20 4.66 VAPOUR PRESSURE (HPA) 4.39 4.34 6.44 6.22 7.60 8.05 9.27 6.94 7.70 5.78 5.22 7.45 6.62 SATURATION DEF. (HPA) 8.24 11.89 17.01 30.72 42.49 45.96 49.93 43.89 37.04 27.51 16.60 10.91 28.51 RELATIVE HUMIDITY (MEAN %) 40 31 31 18 16 16 17 14 19 19 26 44 24 RELATIVE HUMIDITY (MAX. %) 56 47 46 27 24 24 25 21 27 27 38 60 35 RELATIVE HUMIDITY (MIN. %) 24 17 18 11 10 10 10 9 12 10 15 28 15 RELATIVE HUMIDITY (MEAN% 03UTC) 49 41 41 22 21 20 20 18 24 22 32 55 30 RELATIVE HUMIDITY (MEAN% 09UTC) 27 18 20 12 11 11 12 10 12 12 16 30 16 RELATIVE HUMIDITY (MEAN% 15UTC) 38 25 27 16 13 14 13 12 17 19 26 40 22 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 3.0 5.8 8.5 1.9 0.0 0.2 0.0 0.2 0.0 0.0 0.2 1.3 21.1 DAYS WITH PRECIPITATION >=10 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH PRECIPITATION >= 5 0 1 1 0 0 0 0 0 0 0 0 0 2 DAYS WITH PRECIPITATION >= 1 1 1 1 1 0 0 0 0 0 0 0 1 5 DAYS WITH PRECIPITATION 3 1 2 1 0 1 0 1 0 0 1 2 12 GREATEST DAILY PRECIPITATION 1.8 5.8 8.1 1.9 0.0 0.2 0.0 0.2 0.0 0.0 0.2 1.0 8.1 DAY 28 12 11 30 ** 15 ** 13 ** ** 29 16 DAY WITH THUNDER STORM 0 0 0 1 0 0 0 0 1 0 0 0 2 DAYS WITH SNOW OR SLEET 1 0 0 0 0 0 0 0 0 0 0 0 1 DAYS WITH DUST 0 6 2 4 13 12 24 16 4 4 8 0 93 WIND DIRECTION (PREVAILING) 270 270 270 270 270 315 360 360 270 270 270 270 270 PREVAILING WIND SPEED(KNOTS) 9.9 10.2 9.7 10.0 8.9 9.1 10.3 10.5 10.4 9.4 9.1 8.5 9.4 PREVAILING WIND PERCENT 9.7 13.8 15.3 19.6 17.7 17.1 16.1 25.0 17.5 19.4 11.3 8.9 13.6 CALMS PERCENT OF WIND 71.0 62.9 55.6 37.1 37.9 35.8 44.0 41.1 47.5 50.0 63.3 73.4 51.6 NO. OF WIND OBSERVATION 248 224 248 240 248 240 248 248 240 248 240 248 2920 VECTOR WIND DIRECTION (MEAN) 320 314 296 313 326 339 354 340 328 327 309 320 328 VECTOR WIND MAGNITUDE(KNOTS) 0.8 1.4 2.1 3.6 3.2 3.7 3.5 4.3 2.8 2.1 1.4 0.5 2.3 WIND STEADINESES (MEAN %) 30.8 40.0 48.8 58.1 53.3 60.7 63.6 76.8 54.9 45.7 41.2 25.0 50.0 WIND SPEED (MEAN KNOTS) 2.6 3.5 4.3 6.2 6.0 6.1 5.5 5.6 5.1 4.6 3.4 2.0 4.6 FASTEST WIND DIRECTION 60 270 260 270 10 280 10 360 300 20 300 260 270 FASTEST WIND SPEED (KNOTS) 19 23 19 19 19 23 19 19 16 19 17 16 23 DAY 20 21 25 1 11 15 16 4 2 9 9 20 DAYS WITH SKY CLEAR (0-2)/8 28 20 18 23 26 19 26 29 29 31 26 15 290 DAYS WITH P.CLOUDY (3-6)/8 0 7 12 7 5 11 5 2 1 0 4 15 69 DAYS WITH CLOUDY (7-8)/8 3 1 1 0 0 0 0 0 0 0 0 1 6 DAYS WITH VISIBILITY =< 2 KM 1 0 1 1 5 4 3 2 0 0 2 0 19 DURATION OF SUNSHINE HOURS 269.9 246.1 266.8 305.4 325.9 305.0 325.6 348.3 304.9 315.0 269.6 238.8 3521.3 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 2001 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 897.0 894.6 893.2 890.9 887.7 884.5 883.9 887.9 891.1 894.7 896.7 898.4 891.7 MAX. QFE PRESSURE IN HPA 904.0 903.1 902.4 899.0 893.8 892.3 890.3 893.9 898.8 901.0 903.9 905.9 905.9 DAY-HOUR 30- 6 9-18 2- 6 4- 6 12- 6 2- 6 29- 6 14- 6 22- 6 11- 6 20- 6 18- 6 MIN. QFE PRESSURE IN HPA 889.9 884.4 882.5 885.4 879.8 879.5 877.0 882.3 884.4 889.1 889.7 890.0 877.0 DAY-HOUR 18-12 21-12 26- 9 10-12 25-15 18-12 18-15 27-12 1-12 2-12 17-12 5-12 MEAN QNH PRESSURE IN HPA 1019.0 1016.4 1014.9 1012.3 1008.8 1005.2 1004.5 1009.0 1012.5 1016.6 1018.7 1020.6 1013.2 MAX. QNH PRESSURE IN HPA 1026.9 1025.9 1025.1 1021.3 1015.5 1013.9 1011.7 1015.7 1021.1 1023.5 1026.7 1029.0 1029.0 DAY-HOUR 30- 6 9-18 2- 6 4- 6 12- 6 2- 6 29- 6 14- 6 22- 6 11- 6 20- 6 18- 6 MIN. QNH PRESSURE IN HPA 1011.2 1005.1 1003.0 1006.2 1000.0 999.7 996.9 1002.8 1005.1 1010.3 1011.0 1011.3 996.9 DAY-HOUR 18-12 21-12 26- 9 10-12 25-15 18-12 18-15 27-12 1-12 2-12 17-12 5-12 MEAN QFF PRESSURE IN HPA 1018.4 1014.0 1009.8 1004.0 998.3 994.2 992.7 998.4 1002.9 1009.1 1014.2 1017.1 1006.1 MAX. QFF PRESSURE IN HPA 1030.7 1024.8 1024.1 1014.5 1005.9 1002.9 1001.3 1006.4 1013.2 1018.0 1023.5 1026.5 1030.7 DAY-HOUR 29- 6 1- 6 12- 6 4- 6 1- 3 2- 6 30- 6 14- 6 22- 6 11- 6 21- 3 18- 3 MIN. QFF PRESSURE IN HPA 1008.5 998.8 995.8 996.4 989.0 987.1 984.7 991.2 992.9 1000.9 1004.6 1006.4 984.7 DAY-HOUR 18-12 21-12 26- 9 29-12 25-21 10-21 18-15 27-21 1-12 2-12 1- 0 5-21 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 896.4 893.8 892.7 890.2 887.4 884.2 883.4 887.5 890.5 894.3 896.0 897.9 891.2 MAX. QFE PRESSURE IN HPA 902.0 901.7 900.7 896.1 892.0 889.2 888.0 892.0 896.3 899.3 901.1 904.3 904.3 DAY 30 10 2 3 12 3 30 15 23 11 3 18 MIN. QFE PRESSURE IN HPA 891.0 886.7 883.7 885.8 880.6 880.6 878.2 883.0 885.3 891.0 890.3 892.4 878.2 DAY 20 21 26 13 26 30 11 28 1 2 12 6 MEAN QNH PRESSURE IN HPA 1018.4 1015.6 1014.4 1011.6 1008.4 1004.9 1004.0 1008.6 1011.9 1016.1 1018.0 1020.1 1012.6 MAX. QNH PRESSURE IN HPA 1024.6 1024.3 1023.2 1018.1 1013.5 1010.4 1009.1 1013.5 1018.3 1021.6 1023.6 1027.2 1027.2 DAY 30 10 2 3 12 3 30 15 23 11 3 18 MIN. QNH PRESSURE IN HPA 1012.4 1007.7 1004.3 1006.7 1000.9 1000.9 998.2 1003.6 1006.1 1012.4 1011.7 1014.0 998.2 DAY 20 21 26 13 26 30 11 28 1 2 12 6 MEAN QFF PRESSURE IN HPA 1017.3 1013.0 1009.2 1003.3 997.9 993.8 992.1 998.0 1002.1 1008.4 1013.1 1016.4 1005.4 MAX. QFF PRESSURE IN HPA 1028.2 1022.9 1021.4 1011.5 1003.3 999.8 999.3 1004.5 1010.6 1015.5 1022.1 1025.3 1028.2 DAY 29 1 12 4 1 4 30 15 22 11 21 18 MIN. QFF PRESSURE IN HPA 1008.7 1001.0 997.4 996.9 990.0 988.5 985.8 991.3 993.9 1003.3 1004.6 1007.8 985.8 DAY 5 21 26 30 26 30 11 28 1 2 1 6 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 897.3 894.9 893.9 891.7 888.8 885.5 884.7 888.8 891.8 895.5 897.3 898.7 892.4 MAX. QFE PRESSURE IN HPA 903.0 902.3 901.8 897.6 893.6 891.2 889.5 893.0 897.6 900.4 901.8 904.9 904.9 DAY 30 10 2 4 12 2 29 14 23 11 20 18 MIN. QFE PRESSURE IN HPA 891.2 887.4 883.7 886.6 882.7 881.7 880.1 884.5 887.0 891.6 891.3 893.3 880.1 DAY 20 21 26 13 26 18 11 28 1 2 12 5 MEAN QNH PRESSURE IN HPA 1019.4 1016.8 1015.6 1013.2 1009.9 1006.3 1005.4 1010.0 1013.3 1017.4 1019.4 1021.0 1014.0 MAX. QNH PRESSURE IN HPA 1025.7 1025.0 1024.4 1019.8 1015.3 1012.7 1010.8 1014.7 1019.8 1022.9 1024.4 1027.9 1027.9 DAY 30 10 2 4 12 2 29 14 23 11 20 18 MIN. QNH PRESSURE IN HPA 1012.7 1008.4 1004.3 1007.6 1003.2 1002.1 1000.3 1005.2 1008.0 1013.1 1012.8 1015.0 1000.3 DAY 20 21 26 13 26 18 11 28 1 2 12 5 MEAN QFF PRESSURE IN HPA 1019.5 1015.2 1011.2 1005.6 999.9 995.6 993.9 1000.0 1004.2 1010.8 1015.6 1018.2 1007.5 MAX. QFF PRESSURE IN HPA 1030.6 1024.8 1023.7 1013.8 1005.9 1002.2 1001.2 1006.2 1012.5 1017.5 1023.5 1026.5 1030.6 DAY 29 1 12 4 1 3 30 15 23 11 21 18 MIN. QFF PRESSURE IN HPA 1010.8 1003.1 997.8 999.7 992.8 990.5 988.2 993.9 996.8 1005.2 1007.4 1009.7 988.2 DAY 20 21 26 13 26 29 11 28 1 2 12 6 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 2001 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 898.8 896.2 895.0 893.0 889.6 886.1 885.4 889.5 892.7 896.6 898.5 900.0 893.4 MAX. QFE PRESSURE IN HPA 904.0 903.0 902.4 899.0 893.8 892.3 890.3 893.9 898.8 901.0 903.9 905.9 905.9 DAY 30 10 2 4 12 2 29 14 22 11 20 18 MIN. QFE PRESSURE IN HPA 893.2 888.0 884.5 887.9 883.5 882.3 880.7 885.6 887.7 892.7 892.6 893.8 880.7 DAY 20 21 26 10 26 10 12 28 1 2 12 5 MEAN QNH PRESSURE IN HPA 1021.0 1018.2 1016.9 1014.6 1010.9 1007.0 1006.2 1010.8 1014.3 1018.6 1020.8 1022.4 1015.2 MAX. QNH PRESSURE IN HPA 1026.9 1025.7 1025.1 1021.3 1015.5 1013.9 1011.7 1015.7 1021.1 1023.5 1026.7 1029.0 1029.0 DAY 30 10 2 4 12 2 29 14 22 11 20 18 MIN. QNH PRESSURE IN HPA 1014.9 1009.1 1005.2 1009.0 1004.1 1002.8 1001.0 1006.4 1008.8 1014.3 1014.2 1015.5 1001.0 DAY 20 21 26 10 26 10 12 28 1 2 12 5 MEAN QFF PRESSURE IN HPA 1020.4 1015.8 1011.8 1006.1 1000.3 995.8 994.2 1000.1 1004.5 1011.0 1016.1 1018.9 1007.9 MAX. QFF PRESSURE IN HPA 1030.7 1024.8 1024.1 1014.5 1005.9 1002.9 1001.3 1006.4 1013.2 1018.0 1023.5 1026.4 1030.7 DAY 29 1 12 4 1 2 30 14 22 11 20 18 MIN. QFF PRESSURE IN HPA 1011.4 1002.5 998.7 1000.0 992.7 990.5 987.7 994.5 997.0 1005.2 1008.4 1010.9 987.7 DAY 20 21 26 30 26 10 12 28 1 2 1 6 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 896.9 894.7 893.3 891.4 888.3 884.9 884.2 888.3 891.2 894.7 896.5 898.1 891.9 MAX. QFE PRESSURE IN HPA 902.2 901.6 900.7 898.0 892.4 891.6 889.2 892.6 897.6 899.2 901.8 903.9 903.9 DAY 29 10 1 4 12 2 29 14 22 10 2 18 MIN. QFE PRESSURE IN HPA 891.8 887.0 882.5 887.0 882.9 881.0 879.5 884.6 886.0 890.3 890.9 891.0 879.5 DAY 20 21 26 10 25 18 12 28 1 2 17 5 MEAN QNH PRESSURE IN HPA 1019.0 1016.6 1015.0 1012.9 1009.4 1005.7 1004.9 1009.4 1012.7 1016.5 1018.6 1020.3 1013.4 MAX. QNH PRESSURE IN HPA 1024.9 1024.2 1023.2 1020.2 1014.0 1013.1 1010.4 1014.2 1019.8 1021.5 1024.4 1026.7 1026.7 DAY 29 10 1 4 12 2 29 14 22 10 2 18 MIN. QNH PRESSURE IN HPA 1013.3 1008.0 1003.0 1008.0 1003.5 1001.3 999.7 1005.3 1006.9 1011.7 1012.3 1012.4 999.7 DAY 20 21 26 10 25 18 12 28 1 2 17 5 MEAN QFF PRESSURE IN HPA 1017.9 1013.8 1009.6 1004.4 998.8 994.5 993.0 998.7 1002.8 1008.6 1013.6 1016.5 1006.0 MAX. QFF PRESSURE IN HPA 1028.2 1022.7 1021.1 1013.1 1004.0 1001.8 999.9 1004.8 1011.7 1014.5 1021.2 1023.7 1028.2 DAY 29 10 12 4 1 2 29 14 22 11 20 18 MIN. QFF PRESSURE IN HPA 1009.6 1000.9 995.8 999.0 992.3 989.5 986.3 993.2 994.9 1002.1 1005.9 1007.7 986.3 DAY 20 21 26 28 26 30 12 28 1 2 12 5 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 895.6 893.2 891.9 889.6 886.3 883.5 882.9 886.8 889.8 893.3 895.3 897.1 890.4 MAX. QFE PRESSURE IN HPA 900.6 900.9 899.5 896.0 890.6 889.6 887.3 891.2 896.6 898.3 901.0 901.9 901.9 DAY 29 9 1 4 12 2 31 14 22 10 20 18 MIN. QFE PRESSURE IN HPA 889.9 884.4 882.5 885.4 880.1 879.5 878.2 882.3 884.4 889.1 889.7 890.0 878.2 DAY 18 21 26 10 26 18 18 27 1 2 17 5 MEAN QNH PRESSURE IN HPA 1017.6 1014.9 1013.4 1010.9 1007.2 1004.1 1003.4 1007.7 1011.1 1015.0 1017.2 1019.2 1011.8 MAX. QNH PRESSURE IN HPA 1023.1 1023.4 1021.9 1018.0 1012.0 1010.9 1008.3 1012.7 1018.7 1020.5 1023.5 1024.5 1024.5 DAY 29 9 1 4 12 2 31 14 22 10 20 18 MIN. QNH PRESSURE IN HPA 1011.2 1005.1 1003.0 1006.2 1000.3 999.7 998.2 1002.8 1005.1 1010.3 1011.0 1011.3 998.2 DAY 18 21 26 10 26 18 18 27 1 2 17 5 MEAN QFF PRESSURE IN HPA 1016.5 1012.3 1008.2 1002.6 996.7 993.0 991.7 997.1 1001.4 1007.3 1012.4 1015.5 1004.6 MAX. QFF PRESSURE IN HPA 1026.3 1021.7 1018.2 1010.7 1001.8 999.6 999.2 1003.0 1010.7 1013.4 1020.9 1022.0 1026.3 DAY 29 9 12 4 12 2 31 14 22 10 20 18 MIN. QFF PRESSURE IN HPA 1008.5 998.8 996.1 996.4 989.5 988.1 985.2 991.3 992.9 1000.9 1005.0 1006.5 985.2 DAY 18 21 26 29 26 10 12 27 1 2 18 5 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 2001 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 896.4 894.0 892.3 889.8 886.3 883.2 882.8 886.7 890.2 894.0 896.2 898.2 890.8 MAX. QFE PRESSURE IN HPA 900.6 901.9 900.6 896.5 889.7 889.6 887.4 891.7 896.6 899.3 901.7 903.4 903.4 DAY 29 9 1 4 14 2 31 14 22 10 2 17 MIN. QFE PRESSURE IN HPA 890.9 885.5 883.9 885.8 879.8 879.8 877.0 882.3 884.6 889.1 890.5 891.0 877.0 DAY 19 21 26 10 25 10 18 27 5 2 18 5 MEAN QNH PRESSURE IN HPA 1018.5 1015.8 1013.9 1011.1 1007.2 1003.8 1003.3 1007.7 1011.5 1015.7 1018.2 1020.4 1012.3 MAX. QNH PRESSURE IN HPA 1023.1 1024.5 1023.1 1018.5 1011.0 1010.9 1008.4 1013.2 1018.7 1021.6 1024.3 1026.2 1026.2 DAY 29 9 1 4 14 2 31 14 22 10 2 17 MIN. QNH PRESSURE IN HPA 1012.3 1006.3 1004.6 1006.7 1000.0 1000.0 996.9 1002.8 1005.3 1010.3 1011.9 1012.4 996.9 DAY 19 21 26 10 25 10 18 27 5 2 18 5 MEAN QFF PRESSURE IN HPA 1018.5 1014.1 1009.4 1003.3 997.1 993.0 991.8 997.6 1002.4 1009.1 1014.5 1017.6 1005.7 MAX. QFF PRESSURE IN HPA 1027.5 1023.6 1020.1 1011.9 1002.1 1000.3 999.3 1004.2 1011.0 1014.9 1022.3 1024.4 1027.5 DAY 29 9 1 1 1 2 31 14 22 10 20 17 MIN. QFF PRESSURE IN HPA 1011.1 1001.5 998.5 997.0 989.3 987.9 984.7 991.9 995.0 1002.3 1006.4 1007.7 984.7 DAY 18 21 26 29 25 10 18 27 1 2 18 5 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 897.5 895.1 893.4 890.9 887.6 884.5 884.0 887.9 891.5 895.1 897.0 898.8 891.9 MAX. QFE PRESSURE IN HPA 902.6 903.1 901.3 897.5 890.6 890.6 889.0 892.6 897.2 900.0 902.4 905.0 905.0 DAY 29 9 1 1 11 2 31 14 22 10 2 17 MIN. QFE PRESSURE IN HPA 891.0 887.0 885.2 886.0 880.5 880.3 879.5 884.2 886.4 891.0 890.9 892.0 879.5 DAY 19 21 26 17 25 10 18 27 5 2 17 5 MEAN QNH PRESSURE IN HPA 1019.6 1016.9 1015.2 1012.4 1008.7 1005.3 1004.6 1009.0 1013.0 1016.9 1019.1 1021.1 1013.5 MAX. QNH PRESSURE IN HPA 1025.3 1025.9 1023.9 1019.6 1012.0 1012.0 1010.2 1014.2 1019.3 1022.4 1025.1 1028.0 1028.0 DAY 29 9 1 1 11 2 31 14 22 10 2 17 MIN. QNH PRESSURE IN HPA 1012.4 1008.0 1006.0 1006.9 1000.8 1000.6 999.7 1004.9 1007.3 1012.4 1012.3 1013.5 999.7 DAY 19 21 26 17 25 10 18 27 5 2 17 5 MEAN QFF PRESSURE IN HPA 1018.9 1014.4 1009.9 1003.8 997.9 994.0 992.7 998.1 1003.1 1009.3 1014.5 1017.5 1006.2 MAX. QFF PRESSURE IN HPA 1029.3 1024.4 1020.4 1012.5 1002.5 1001.3 999.9 1005.2 1011.0 1015.7 1023.1 1025.5 1029.3 DAY 29 9 1 3 1 2 31 14 22 10 20 17 MIN. QFF PRESSURE IN HPA 1009.9 1002.5 1000.1 997.7 989.2 987.6 986.3 993.0 995.2 1002.9 1006.7 1007.5 986.3 DAY 19 21 26 29 25 10 12 27 1 2 17 5 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 897.0 894.6 893.2 890.5 887.5 884.3 883.9 887.6 891.0 894.8 896.5 898.2 891.6 MAX. QFE PRESSURE IN HPA 902.6 902.4 900.7 897.0 891.3 890.0 888.8 892.1 896.9 899.7 901.7 904.3 904.3 DAY 29 9 1 4 11 2 31 14 22 10 2 17 MIN. QFE PRESSURE IN HPA 891.0 887.5 885.2 886.6 880.6 880.1 879.5 883.3 885.8 891.7 890.6 891.2 879.5 DAY 19 4 25 17 25 10 18 27 5 31 17 5 MEAN QNH PRESSURE IN HPA 1019.1 1016.4 1014.8 1011.9 1008.5 1005.0 1004.5 1008.7 1012.4 1016.6 1018.6 1020.4 1013.1 MAX. QNH PRESSURE IN HPA 1025.3 1025.1 1023.2 1019.1 1012.8 1011.3 1010.0 1013.7 1019.0 1022.1 1024.3 1027.2 1027.2 DAY 29 9 1 4 11 2 31 14 22 10 2 17 MIN. QNH PRESSURE IN HPA 1012.4 1008.6 1006.0 1007.6 1000.9 1000.3 999.7 1003.9 1006.7 1013.2 1012.0 1012.7 999.7 DAY 19 4 25 17 25 10 18 27 5 31 17 5 MEAN QFF PRESSURE IN HPA 1018.1 1013.5 1009.3 1003.3 997.8 993.6 992.6 997.8 1002.5 1008.7 1013.6 1016.5 1005.6 MAX. QFF PRESSURE IN HPA 1028.9 1023.4 1020.2 1011.7 1002.3 1000.5 999.8 1004.7 1010.7 1015.3 1022.3 1024.2 1028.9 DAY 29 9 11 4 11 2 31 14 22 10 20 17 MIN. QFF PRESSURE IN HPA 1009.2 1002.8 998.3 996.7 989.0 987.1 986.3 991.2 994.8 1003.4 1005.6 1006.4 986.3 DAY 19 20 25 29 25 10 12 27 1 2 17 5 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 2002 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 11.7 14.9 19.9 24.9 31.4 34.3 34.4 34.0 29.9 25.3 16.7 11.7 24.1 MINIMUN AIR TEMPERATURE (C) 6.6 9.4 13.9 18.9 24.7 28.2 29.1 27.6 23.5 19.4 11.6 6.4 18.3 DAYS WITH MINIMUM TEMP. >=21 0 0 0 10 31 30 31 31 28 8 0 0 169 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 2 0 0 0 0 0 0 0 0 0 0 1 3 TEMPERATURE RECORDS LOWEST(C) -0.4 2.0 6.4 10.0 21.0 23.8 26.4 23.6 19.0 17.0 6.2 -0.6 -0.6 DAY 19 2 12 5 6 10 31 1 30 26 30 31 MAXIMUM AIR TEMPERATURE (C) 17.5 21.3 26.6 31.0 37.6 40.2 39.6 40.0 36.8 32.7 22.9 17.7 30.3 DAYS WITH MAXIMUM TEMP. >=30 0 0 10 18 31 30 31 31 30 29 3 0 213 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 24.8 27.6 32.6 39.6 41.6 43.8 44.2 42.6 39.0 35.6 33.0 26.2 44.2 DAY 8 12 27 29 25 30 1 9 17 6 13 9 DIF. BETWEEN (MAX.-MIN.) (C) 10.9 11.9 12.7 12.1 12.9 12.0 10.5 12.4 13.3 13.3 11.3 11.3 12.0 MEAN DAILY TEMP. (MDT) (C) 12.0 15.4 20.2 25.0 31.1 34.2 34.3 33.8 30.1 26.0 17.3 12.0 24.3 COOLING DEG. DAYS(BASE 21 0C) 0.0 2.1 44.4 127.7 313.9 396.2 412.5 398.0 274.0 156.4 9.7 0.0 2134.9 HEATING DEG. DAYS(BASE 18 0C) 187.3 91.5 30.4 0.4 0.0 0.0 0.0 0.0 0.0 0.0 56.9 193.3 559.8 DEWPOINT (MEAN C) -2.4 -2.7 -4.0 1.1 3.0 3.3 3.9 3.9 -1.8 0.0 1.4 -2.7 0.3 MIXING RATIO (G/KG) 3.81 3.84 3.46 4.85 5.46 5.66 5.89 5.98 3.99 4.36 4.95 3.76 4.67 VAPOUR PRESSURE (HPA) 5.45 5.49 4.93 6.88 7.73 7.98 8.30 8.43 5.67 6.23 7.09 5.37 6.63 SATURATION DEF. (HPA) 9.19 12.44 19.58 26.10 39.66 47.47 47.21 45.96 38.04 27.10 12.88 9.19 27.90 RELATIVE HUMIDITY (MEAN %) 40 33 22 23 17 15 16 17 14 20 39 39 25 RELATIVE HUMIDITY (MAX. %) 56 52 35 35 24 23 23 24 21 27 56 56 36 RELATIVE HUMIDITY (MIN. %) 25 18 12 14 11 9 10 11 8 13 24 24 15 RELATIVE HUMIDITY (MEAN% 03UTC) 52 43 31 31 21 19 20 21 17 24 48 49 31 RELATIVE HUMIDITY (MEAN% 09UTC) 28 21 14 17 13 10 11 11 9 13 25 26 17 RELATIVE HUMIDITY (MEAN% 15UTC) 36 29 17 19 15 13 13 13 13 20 37 36 22 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 0.6 6.1 3.7 6.8 0.0 0.0 0.0 0.0 0.0 0.0 6.8 0.0 24.0 DAYS WITH PRECIPITATION >=10 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH PRECIPITATION >= 5 0 0 0 1 0 0 0 0 0 0 1 0 2 DAYS WITH PRECIPITATION >= 1 0 2 1 1 0 0 0 0 0 0 1 0 5 DAYS WITH PRECIPITATION 1 4 1 1 1 0 0 0 0 0 4 0 12 GREATEST DAILY PRECIPITATION 0.6 3.5 3.7 6.8 0.0 0.0 0.0 0.0 0.0 0.0 5.2 0.0 6.8 DAY 10 15 22 4 ** ** ** ** ** ** 7 ** DAY WITH THUNDER STORM 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 0 4 6 9 16 11 7 10 2 2 0 4 71 WIND DIRECTION (PREVAILING) 270 315 270 270 315 360 360 360 270 270 315 270 270 PREVAILING WIND SPEED(KNOTS) 8.6 9.6 9.7 9.4 8.6 9.1 8.9 9.3 9.5 9.9 6.5 8.9 9.1 PREVAILING WIND PERCENT 9.7 13.4 15.7 18.3 14.5 18.3 20.6 18.5 18.8 28.2 10.8 8.5 14.7 CALMS PERCENT OF WIND 58.1 56.3 50.8 42.9 39.9 36.7 32.3 33.5 39.6 38.7 65.0 66.5 46.6 NO. OF WIND OBSERVATION 248 224 248 240 248 240 248 248 240 248 240 248 2920 VECTOR WIND DIRECTION (MEAN) 323 315 303 283 330 333 346 338 329 312 320 303 323 VECTOR WIND MAGNITUDE(KNOTS) 1.3 2.4 2.4 2.2 2.2 3.4 4.0 3.8 3.5 3.3 1.0 1.1 2.4 WIND STEADINESES (MEAN %) 37.1 55.8 50.0 43.1 40.0 59.6 74.1 65.5 62.5 58.9 40.0 36.7 51.1 WIND SPEED (MEAN KNOTS) 3.5 4.3 4.8 5.1 5.5 5.7 5.4 5.8 5.6 5.6 2.5 3.0 4.7 FASTEST WIND DIRECTION 310 10 360 280 40 340 340 360 40 280 320 280 280 FASTEST WIND SPEED (KNOTS) 23 19 23 29 19 19 19 19 16 16 14 23 29 DAY 31 6 10 3 22 22 30 12 6 1 4 22 DAYS WITH SKY CLEAR (0-2)/8 20 17 17 20 28 27 23 27 29 28 22 20 278 DAYS WITH P.CLOUDY (3-6)/8 9 9 12 6 3 3 8 4 1 3 8 10 76 DAYS WITH CLOUDY (7-8)/8 2 2 2 4 0 0 0 0 0 0 0 1 11 DAYS WITH VISIBILITY =< 2 KM 0 0 4 2 1 0 0 0 0 0 0 2 9 DURATION OF SUNSHINE HOURS 246.7 226.9 270.8 284.2 343.1 327.0 335.4 336.0 321.8 297.5 259.2 229.9 3478.5 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 2002 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 896.3 895.7 894.0 890.7 889.1 886.1 886.3 885.9 891.7 895.2 897.6 896.2 892.1 MAX. QFE PRESSURE IN HPA 904.5 904.4 906.0 900.4 895.7 892.2 891.4 891.1 896.7 899.7 905.8 905.0 906.0 DAY-HOUR 26- 6 5- 6 11- 6 1- 6 10- 6 25- 6 31- 6 2- 6 21- 6 10- 6 18- 6 4- 6 MIN. QFE PRESSURE IN HPA 887.4 889.0 887.2 879.2 882.8 877.6 880.4 881.2 887.5 891.5 890.0 886.3 877.6 DAY-HOUR 22-12 25-12 23- 0 4- 9 13-15 21-12 25-15 17-12 10-12 12-12 13-12 22-12 MEAN QNH PRESSURE IN HPA 1018.3 1017.6 1015.7 1012.1 1010.3 1007.0 1007.2 1006.8 1013.2 1017.1 1019.7 1018.2 1013.6 MAX. QNH PRESSURE IN HPA 1027.4 1027.3 1029.1 1022.9 1017.7 1013.8 1012.9 1012.5 1018.8 1022.1 1028.9 1028.0 1029.1 DAY-HOUR 26- 6 5- 6 11- 6 1- 6 10- 6 25- 6 31- 6 2- 6 21- 6 10- 6 18- 6 4- 6 MIN. QNH PRESSURE IN HPA 1008.4 1010.2 1008.2 999.3 1003.3 997.6 1000.7 1001.6 1008.6 1013.0 1011.3 1007.2 997.6 DAY-HOUR 22-12 25-12 23- 0 4- 9 13-15 21-12 25-15 17-12 10-12 12-12 13-12 22-12 MEAN QFF PRESSURE IN HPA 1016.7 1014.5 1010.5 1004.6 1000.2 995.8 995.9 995.6 1003.8 1009.6 1015.7 1016.5 1006.6 MAX. QFF PRESSURE IN HPA 1027.9 1027.6 1026.6 1017.5 1007.8 1003.6 1003.3 1002.5 1010.7 1014.5 1025.8 1028.3 1028.3 DAY-HOUR 26- 6 5- 6 11- 6 1- 6 10- 6 25- 9 31- 6 2- 3 30- 3 26- 3 30- 6 5- 3 MIN. QFF PRESSURE IN HPA 1005.5 1004.6 1001.1 992.5 993.1 985.1 988.7 989.8 997.8 1004.6 1005.1 1002.4 985.1 DAY-HOUR 22-12 26- 0 23- 0 4- 0 13-12 21-12 25-15 17-12 1- 0 12-12 13-12 22-12 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 895.9 894.9 893.2 890.3 888.7 885.7 885.5 885.4 890.9 894.7 897.1 895.6 891.5 MAX. QFE PRESSURE IN HPA 902.1 902.3 902.4 898.2 893.1 890.0 889.0 888.8 894.8 897.7 903.4 903.3 903.4 DAY 28 2 11 2 10 25 31 1 29 11 19 4 MIN. QFE PRESSURE IN HPA 889.6 889.6 887.2 881.3 884.0 878.4 881.2 881.7 887.6 892.0 891.3 886.8 878.4 DAY 22 26 23 4 21 21 27 9 18 29 7 25 MEAN QNH PRESSURE IN HPA 1017.9 1016.8 1014.9 1011.7 1009.8 1006.5 1006.4 1006.3 1012.3 1016.5 1019.2 1017.6 1013.0 MAX. QNH PRESSURE IN HPA 1024.8 1025.0 1025.1 1020.4 1014.8 1011.3 1010.2 1010.0 1016.7 1019.9 1026.2 1026.1 1026.2 DAY 28 2 11 2 10 25 31 1 29 11 19 4 MIN. QNH PRESSURE IN HPA 1010.9 1010.9 1008.2 1001.7 1004.7 998.5 1001.6 1002.1 1008.7 1013.5 1012.8 1007.8 998.5 DAY 22 26 23 4 21 21 27 9 18 29 7 25 MEAN QFF PRESSURE IN HPA 1015.9 1013.4 1009.6 1004.1 999.8 995.3 994.9 995.1 1002.8 1008.9 1014.9 1015.6 1005.9 MAX. QFF PRESSURE IN HPA 1024.8 1025.1 1021.9 1014.4 1005.5 1000.4 1000.3 1000.5 1008.5 1011.8 1023.7 1026.1 1026.1 DAY 28 2 12 2 10 25 31 1 29 26 19 5 MIN. QFF PRESSURE IN HPA 1006.5 1004.6 1001.1 992.5 993.7 986.0 989.4 990.2 997.8 1006.2 1006.8 1003.6 986.0 DAY 12 26 23 4 21 21 27 18 1 15 7 22 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 896.7 896.1 894.6 891.5 890.0 887.2 886.9 886.6 892.3 895.9 898.3 896.7 892.7 MAX. QFE PRESSURE IN HPA 903.2 903.4 904.2 899.0 894.8 891.7 890.2 890.9 896.1 898.9 904.2 904.4 904.4 DAY 28 5 11 1 10 25 31 2 21 10 18 4 MIN. QFE PRESSURE IN HPA 889.8 891.3 889.6 881.7 885.5 880.0 882.6 882.5 888.9 893.6 893.0 887.3 880.0 DAY 22 25 23 4 21 21 27 9 18 15 7 25 MEAN QNH PRESSURE IN HPA 1018.8 1018.0 1016.4 1013.0 1011.3 1008.2 1007.9 1007.5 1013.9 1017.8 1020.5 1018.8 1014.3 MAX. QNH PRESSURE IN HPA 1026.0 1026.2 1027.1 1021.3 1016.7 1013.2 1011.6 1012.3 1018.1 1021.2 1027.1 1027.3 1027.3 DAY 28 5 11 1 10 25 31 2 21 10 18 4 MIN. QNH PRESSURE IN HPA 1011.1 1012.8 1010.9 1002.1 1006.3 1000.2 1003.1 1003.0 1010.1 1015.3 1014.7 1008.3 1000.2 DAY 22 25 23 4 21 21 27 9 18 15 7 25 MEAN QFF PRESSURE IN HPA 1017.9 1015.6 1011.7 1006.1 1001.6 997.3 996.9 996.9 1005.1 1011.1 1017.2 1017.8 1007.9 MAX. QFF PRESSURE IN HPA 1027.1 1027.0 1024.5 1017.0 1007.4 1002.9 1002.1 1002.5 1010.7 1014.5 1025.6 1028.3 1028.3 DAY 28 2 12 1 10 25 31 2 30 26 30 5 MIN. QFF PRESSURE IN HPA 1010.0 1007.8 1003.4 993.5 995.4 988.4 991.3 991.8 1000.3 1007.4 1009.2 1004.2 988.4 DAY 8 28 29 4 21 21 27 9 1 15 7 22 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 2002 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 898.0 897.4 895.7 892.6 891.0 887.7 887.8 887.4 893.2 896.9 899.4 898.1 893.8 MAX. QFE PRESSURE IN HPA 904.5 904.4 906.0 900.4 895.7 892.2 891.4 891.1 896.7 899.7 905.8 905.0 906.0 DAY 26 5 11 1 10 25 31 2 21 10 18 4 MIN. QFE PRESSURE IN HPA 890.7 892.0 890.9 881.5 887.0 880.4 883.6 883.9 889.4 894.5 893.3 888.4 880.4 DAY 22 25 29 4 13 21 26 17 10 22 13 22 MEAN QNH PRESSURE IN HPA 1020.2 1019.6 1017.6 1014.2 1012.4 1008.8 1008.8 1008.4 1014.9 1019.0 1021.7 1020.3 1015.5 MAX. QNH PRESSURE IN HPA 1027.4 1027.3 1029.1 1022.9 1017.7 1013.8 1012.9 1012.5 1018.8 1022.1 1028.9 1028.0 1029.1 DAY 26 5 11 1 10 25 31 2 21 10 18 4 MIN. QNH PRESSURE IN HPA 1012.1 1013.5 1012.3 1001.9 1008.0 1000.7 1004.2 1004.6 1010.7 1016.3 1015.0 1009.6 1000.7 DAY 22 25 29 4 13 21 26 17 10 22 13 22 MEAN QFF PRESSURE IN HPA 1018.5 1016.5 1012.3 1006.7 1002.2 997.4 997.4 997.1 1005.2 1011.3 1017.6 1018.5 1008.4 MAX. QFF PRESSURE IN HPA 1027.9 1027.6 1026.6 1017.5 1007.8 1003.4 1003.3 1001.8 1010.5 1014.3 1025.8 1028.0 1028.0 DAY 26 5 11 1 10 25 31 2 30 26 30 30 MIN. QFF PRESSURE IN HPA 1009.7 1008.8 1004.4 994.0 997.4 987.9 991.7 992.6 1000.8 1008.3 1008.4 1004.8 987.9 DAY 22 28 22 4 13 21 26 18 18 22 13 22 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 896.1 895.7 894.1 891.1 889.5 886.6 886.8 886.1 891.9 895.0 897.2 895.9 892.2 MAX. QFE PRESSURE IN HPA 903.5 902.6 905.0 899.1 893.6 892.2 889.9 889.7 895.3 897.8 904.2 902.7 905.0 DAY 26 5 11 1 10 25 3 1 21 10 18 4 MIN. QFE PRESSURE IN HPA 889.0 891.3 888.9 879.2 884.7 879.2 882.7 881.4 888.3 892.7 891.1 886.6 879.2 DAY 22 25 23 4 13 21 26 9 10 12 13 22 MEAN QNH PRESSURE IN HPA 1018.0 1017.7 1015.9 1012.5 1010.7 1007.6 1007.7 1007.0 1013.4 1016.8 1019.3 1017.9 1013.7 MAX. QNH PRESSURE IN HPA 1026.3 1025.3 1028.0 1021.4 1015.3 1013.8 1011.2 1011.0 1017.2 1020.0 1027.1 1025.4 1028.0 DAY 26 5 11 1 10 25 3 1 21 10 18 4 MIN. QNH PRESSURE IN HPA 1010.2 1012.8 1010.1 999.3 1005.4 999.3 1003.2 1001.8 1009.4 1014.3 1012.5 1007.6 999.3 DAY 22 25 23 4 13 21 26 9 10 12 13 22 MEAN QFF PRESSURE IN HPA 1015.9 1014.1 1010.4 1004.9 1000.4 996.3 996.3 995.7 1003.7 1008.9 1014.9 1015.8 1006.4 MAX. QFF PRESSURE IN HPA 1026.8 1025.7 1025.4 1016.4 1005.8 1003.6 1001.1 1001.3 1008.3 1012.0 1023.8 1026.0 1026.8 DAY 26 5 11 1 10 25 31 1 29 26 18 5 MIN. QFF PRESSURE IN HPA 1007.5 1006.2 1002.8 992.7 994.4 986.4 990.5 990.1 999.9 1006.1 1005.7 1003.1 986.4 DAY 22 28 21 4 13 21 26 9 18 12 13 22 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 894.9 894.4 892.4 889.3 887.7 885.0 885.5 884.8 890.5 893.9 896.1 894.8 890.8 MAX. QFE PRESSURE IN HPA 900.8 901.1 902.6 898.4 891.4 889.9 888.5 888.2 893.9 896.9 902.9 901.9 902.9 DAY 26 5 11 1 10 25 3 1 21 10 18 4 MIN. QFE PRESSURE IN HPA 887.4 889.0 887.2 881.2 883.0 877.6 881.1 881.2 887.5 891.5 890.0 886.3 877.6 DAY 22 25 23 4 13 21 25 17 10 12 13 22 MEAN QNH PRESSURE IN HPA 1016.8 1016.2 1014.0 1010.6 1008.7 1005.8 1006.3 1005.5 1011.9 1015.6 1018.1 1016.7 1012.2 MAX. QNH PRESSURE IN HPA 1023.3 1023.6 1025.3 1020.6 1012.9 1011.2 1009.7 1009.3 1015.7 1019.0 1025.6 1024.5 1025.6 DAY 26 5 11 1 10 25 3 1 21 10 18 4 MIN. QNH PRESSURE IN HPA 1008.4 1010.2 1008.2 1001.6 1003.6 997.6 1001.5 1001.6 1008.6 1013.0 1011.3 1007.2 997.6 DAY 22 25 23 4 13 21 25 17 10 12 13 22 MEAN QFF PRESSURE IN HPA 1014.8 1012.8 1008.7 1003.0 998.7 994.6 994.9 994.4 1002.4 1007.9 1014.0 1014.7 1005.1 MAX. QFF PRESSURE IN HPA 1023.6 1024.0 1022.7 1015.0 1003.8 1000.8 999.5 999.5 1007.9 1010.6 1022.5 1025.1 1025.1 DAY 26 5 11 1 15 25 31 1 30 26 18 5 MIN. QFF PRESSURE IN HPA 1005.5 1004.9 1001.1 994.2 993.1 985.1 988.9 989.8 998.8 1004.6 1005.1 1002.4 985.1 DAY 22 26 23 4 13 21 25 17 18 12 13 22 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 2002 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 896.0 895.1 893.2 889.5 887.6 884.8 885.5 884.9 891.3 894.8 897.1 895.9 891.3 MAX. QFE PRESSURE IN HPA 902.0 902.2 903.0 898.2 891.7 889.7 888.8 887.8 895.3 898.3 903.9 903.0 903.9 DAY 26 1 11 1 15 25 30 29 30 10 18 4 MIN. QFE PRESSURE IN HPA 890.1 889.8 887.6 883.3 882.8 877.6 880.4 881.3 887.5 892.7 891.7 887.4 877.6 DAY 22 25 22 4 13 21 25 17 18 12 13 22 MEAN QNH PRESSURE IN HPA 1018.0 1017.0 1014.8 1010.7 1008.7 1005.6 1006.3 1005.6 1012.7 1016.6 1019.2 1017.9 1012.8 MAX. QNH PRESSURE IN HPA 1024.6 1024.9 1025.7 1020.4 1013.2 1011.0 1010.0 1008.9 1017.2 1020.5 1026.7 1025.7 1026.7 DAY 26 1 11 1 15 25 30 29 30 10 18 4 MIN. QNH PRESSURE IN HPA 1011.4 1011.1 1008.7 1003.9 1003.3 997.6 1000.7 1001.7 1008.6 1014.3 1013.2 1008.4 997.6 DAY 22 25 22 4 13 21 25 17 18 12 13 22 MEAN QFF PRESSURE IN HPA 1017.1 1014.5 1010.2 1003.7 998.9 994.6 995.4 994.9 1004.0 1009.8 1015.9 1016.9 1006.3 MAX. QFF PRESSURE IN HPA 1026.0 1025.7 1024.2 1015.6 1004.5 1001.2 1000.2 999.0 1010.5 1013.2 1024.4 1027.2 1027.2 DAY 26 5 11 1 15 25 30 1 30 31 18 4 MIN. QFF PRESSURE IN HPA 1008.3 1006.8 1002.6 997.4 993.4 985.8 988.7 990.2 999.7 1007.1 1007.4 1004.6 985.8 DAY 8 25 21 4 13 21 25 17 18 14 13 22 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 896.9 896.2 894.5 890.9 889.1 886.0 886.5 886.2 892.2 895.7 898.0 896.6 892.4 MAX. QFE PRESSURE IN HPA 903.3 903.0 904.0 899.7 893.1 890.6 889.9 889.3 896.3 898.8 904.3 904.0 904.3 DAY 27 5 11 1 9 25 3 29 30 10 18 3 MIN. QFE PRESSURE IN HPA 891.1 890.4 889.4 884.3 884.8 879.1 882.0 882.7 889.2 893.3 892.7 887.9 879.1 DAY 21 20 22 3 13 20 25 8 17 14 6 21 MEAN QNH PRESSURE IN HPA 1018.9 1018.2 1016.4 1012.3 1010.3 1006.9 1007.4 1007.1 1013.8 1017.7 1020.2 1018.6 1014.0 MAX. QNH PRESSURE IN HPA 1026.1 1025.7 1026.9 1022.1 1014.8 1012.0 1011.2 1010.6 1018.3 1021.1 1027.2 1026.9 1027.2 DAY 27 5 11 1 9 25 3 29 30 10 18 3 MIN. QNH PRESSURE IN HPA 1012.5 1011.8 1010.7 1005.0 1005.6 999.2 1002.5 1003.2 1010.4 1015.0 1014.3 1009.0 999.2 DAY 21 20 22 3 13 20 25 8 17 14 6 21 MEAN QFF PRESSURE IN HPA 1017.2 1015.1 1011.0 1004.7 1000.0 995.5 995.9 995.7 1004.0 1010.0 1016.1 1016.9 1006.8 MAX. QFF PRESSURE IN HPA 1026.4 1026.8 1025.0 1016.4 1005.5 1001.9 1001.6 999.8 1010.7 1013.2 1024.5 1027.1 1027.1 DAY 27 5 11 1 9 25 30 1 30 31 18 4 MIN. QFF PRESSURE IN HPA 1009.2 1007.7 1002.0 996.0 994.8 986.6 989.9 991.5 1000.2 1007.1 1007.0 1005.0 986.6 DAY 12 25 21 3 13 20 25 17 17 12 13 21 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 896.2 895.6 894.2 890.4 889.0 885.9 886.1 885.8 891.7 895.3 897.5 896.0 892.0 MAX. QFE PRESSURE IN HPA 902.4 902.3 902.6 898.7 893.5 889.9 889.6 888.9 895.5 898.3 903.7 903.4 903.7 DAY 27 1 11 1 9 5 3 1 30 10 18 3 MIN. QFE PRESSURE IN HPA 890.4 891.0 888.2 882.9 885.0 878.4 881.4 881.8 889.0 892.7 891.8 887.8 878.4 DAY 21 25 22 3 20 20 25 17 9 28 6 21 MEAN QNH PRESSURE IN HPA 1018.2 1017.5 1016.0 1011.7 1010.3 1006.8 1007.0 1006.7 1013.3 1017.2 1019.7 1018.0 1013.5 MAX. QNH PRESSURE IN HPA 1025.1 1025.0 1025.3 1021.0 1015.2 1011.2 1010.9 1010.1 1017.4 1020.5 1026.5 1026.2 1026.5 DAY 27 1 11 1 9 5 3 1 30 10 18 3 MIN. QNH PRESSURE IN HPA 1011.8 1012.4 1009.3 1003.5 1005.8 998.5 1001.8 1002.2 1010.2 1014.3 1013.3 1008.9 998.5 DAY 21 25 22 3 20 20 25 17 9 28 6 21 MEAN QFF PRESSURE IN HPA 1016.1 1013.9 1010.4 1004.0 999.9 995.3 995.5 995.2 1003.6 1009.3 1015.3 1015.9 1006.2 MAX. QFF PRESSURE IN HPA 1025.3 1025.4 1023.5 1015.3 1006.1 1000.6 1000.8 999.6 1009.4 1013.1 1023.7 1026.5 1026.5 DAY 26 5 11 1 9 5 30 1 30 26 18 4 MIN. QFF PRESSURE IN HPA 1008.7 1005.7 1002.4 994.2 994.6 985.6 989.0 990.0 1000.1 1006.7 1006.8 1004.5 985.6 DAY 12 25 21 3 20 20 25 17 5 14 13 21 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 2003 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 12.1 16.3 18.6 25.5 27.6 34.3 35.7 32.7 29.5 25.2 15.9 11.5 23.7 MINIMUN AIR TEMPERATURE (C) 7.1 11.0 12.5 19.2 21.3 27.6 29.7 27.0 23.8 19.5 10.7 6.8 18.0 DAYS WITH MINIMUM TEMP. >=21 0 0 0 13 19 30 31 31 27 8 0 0 159 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 1 1 DAYS WITH FREEZING MIN.<= 0 0 0 1 0 0 0 0 0 0 0 0 4 5 TEMPERATURE RECORDS LOWEST(C) 1.0 2.4 0.0 11.6 13.8 25.0 26.2 23.8 17.0 16.4 3.2 -4.2 -4.2 DAY 1 19 3 19 3 1 13 31 29 17 24 14 MAXIMUM AIR TEMPERATURE (C) 18.1 22.3 24.9 31.8 33.5 40.3 41.8 38.5 35.6 31.9 22.4 17.7 29.9 DAYS WITH MAXIMUM TEMP. >=30 0 0 2 21 26 30 31 31 28 26 3 0 198 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 26.6 27.6 31.0 39.0 39.6 43.4 44.2 45.0 39.6 38.0 34.0 27.6 45.0 DAY 15 23 19 29 19 28 27 1 12 4 1 6 DIF. BETWEEN (MAX.-MIN.) (C) 11.0 11.3 12.4 12.6 12.2 12.7 12.1 11.5 11.8 12.4 11.7 10.9 11.9 MEAN DAILY TEMP. (MDT) (C) 12.6 16.7 18.7 25.5 27.4 34.0 35.8 32.8 29.7 25.7 16.5 12.3 24.0 COOLING DEG. DAYS(BASE 21 0C) 0.0 5.2 18.1 144.7 200.5 388.6 458.2 364.9 260.1 146.1 13.9 0.5 2000.8 HEATING DEG. DAYS(BASE 18 0C) 169.5 71.2 52.2 1.4 0.0 0.0 0.0 0.0 0.0 0.0 82.6 176.7 553.6 DEWPOINT (MEAN C) -2.6 -1.4 -2.4 1.6 1.0 4.0 7.4 4.3 0.6 -0.9 -4.1 -5.0 0.2 MIXING RATIO (G/KG) 3.71 4.09 4.03 5.03 4.89 5.87 7.95 6.06 4.58 4.13 3.40 3.25 4.75 VAPOUR PRESSURE (HPA) 5.31 5.82 5.73 7.16 6.95 8.27 11.12 8.55 6.51 5.91 4.87 4.66 6.74 SATURATION DEF. (HPA) 9.45 13.69 16.97 26.95 31.40 47.11 48.65 42.19 36.07 27.32 14.44 9.97 27.02 RELATIVE HUMIDITY (MEAN %) 40 32 27 24 19 16 20 18 16 19 27 35 24 RELATIVE HUMIDITY (MAX. %) 55 49 42 36 27 23 30 24 23 27 37 50 35 RELATIVE HUMIDITY (MIN. %) 27 18 15 14 12 10 12 12 10 11 16 22 15 RELATIVE HUMIDITY (MEAN% 03UTC) 50 43 37 32 24 20 26 21 21 24 34 44 31 RELATIVE HUMIDITY (MEAN% 09UTC) 29 21 18 16 13 11 14 13 11 11 18 23 17 RELATIVE HUMIDITY (MEAN% 15UTC) 38 27 21 19 16 13 17 15 14 18 26 32 21 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 1.7 1.0 14.0 3.6 0.0 0.0 4.0 0.0 0.0 0.0 0.0 0.0 24.3 DAYS WITH PRECIPITATION >=10 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH PRECIPITATION >= 5 0 0 2 0 0 0 0 0 0 0 0 0 2 DAYS WITH PRECIPITATION >= 1 1 1 4 2 0 0 1 0 0 0 0 0 9 DAYS WITH PRECIPITATION 1 3 5 3 0 0 1 0 0 0 0 0 13 GREATEST DAILY PRECIPITATION 1.7 1.0 6.0 2.0 0.0 0.0 4.0 0.0 0.0 0.0 0.0 0.0 6.0 DAY 25 5 27 14 ** ** 21 ** ** ** ** ** DAY WITH THUNDER STORM 0 0 2 0 0 0 0 0 0 0 0 0 2 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 4 4 9 6 12 16 14 9 2 3 4 5 88 WIND DIRECTION (PREVAILING) 270 270 270 270 45 270 270 270 270 270 270 270 270 PREVAILING WIND SPEED(KNOTS) 9.3 11.9 10.3 9.5 9.7 8.2 8.3 8.7 8.4 9.6 7.7 7.7 9.1 PREVAILING WIND PERCENT 27.8 28.6 30.2 29.6 19.0 19.2 23.8 25.0 25.8 30.2 24.6 19.3 25.2 CALMS PERCENT OF WIND 22.6 21.9 21.0 16.3 20.6 22.5 10.5 15.3 12.5 14.9 23.3 29.8 19.2 NO. OF WIND OBSERVATION 248 224 248 240 248 240 248 248 240 248 240 228 2900 VECTOR WIND DIRECTION (MEAN) 303 298 298 307 343 351 336 338 340 317 334 342 326 VECTOR WIND MAGNITUDE(KNOTS) 2.8 3.7 3.5 3.5 4.0 3.5 4.7 5.5 4.8 4.7 2.9 2.1 3.6 WIND STEADINESES (MEAN %) 41.2 46.2 45.5 44.9 53.3 50.0 54.7 66.3 60.0 59.5 44.6 35.6 48.0 WIND SPEED (MEAN KNOTS) 6.8 8.0 7.7 7.8 7.5 7.0 8.6 8.3 8.0 7.9 6.5 5.9 7.5 FASTEST WIND DIRECTION 270 280 270 280 290 60 30 130 360 20 40 360 270 FASTEST WIND SPEED (KNOTS) 27 29 39 33 25 19 31 29 25 19 25 27 39 DAY 28 19 13 1 24 10 19 1 23 6 15 11 DAYS WITH SKY CLEAR (0-2)/8 16 13 20 17 26 27 24 26 29 30 24 18 270 DAYS WITH P.CLOUDY (3-6)/8 11 14 7 10 5 3 7 5 1 1 5 6 75 DAYS WITH CLOUDY (7-8)/8 4 1 4 3 0 0 0 0 0 0 1 5 18 DAYS WITH VISIBILITY =< 2 KM 0 0 1 0 3 0 1 1 0 0 1 2 9 DURATION OF SUNSHINE HOURS 220.5 217.9 245.4 274.9 304.4 325.9 337.3 343.3 314.5 295.6 260.6 204.5 3344.8 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 2003 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 896.3 892.5 893.5 892.6 891.5 885.6 883.1 887.4 890.6 895.2 897.6 898.9 892.1 MAX. QFE PRESSURE IN HPA 904.5 901.2 906.6 898.5 899.5 893.3 888.2 892.6 898.8 899.8 907.6 907.8 907.8 DAY-HOUR 12- 6 7- 6 3- 6 7- 6 2- 6 1- 3 3- 6 4- 6 27- 6 16- 6 25- 6 12- 6 MIN. QFE PRESSURE IN HPA 886.8 883.6 885.5 885.9 883.8 877.7 877.8 880.9 884.7 889.5 888.6 890.7 877.7 DAY-HOUR 28-21 17-12 13-12 17-12 23-15 30-15 25-15 1-12 12-12 6- 0 14-12 6-12 MEAN QNH PRESSURE IN HPA 1018.3 1014.1 1015.2 1014.2 1013.0 1006.5 1003.6 1008.4 1012.0 1017.1 1019.8 1021.2 1013.6 MAX. QNH PRESSURE IN HPA 1027.4 1023.7 1029.7 1020.8 1021.9 1015.0 1009.3 1014.2 1021.1 1022.2 1030.9 1031.1 1031.1 DAY-HOUR 12- 6 7- 6 3- 6 7- 6 2- 6 1- 3 3- 6 4- 6 27- 6 16- 6 25- 6 12- 6 MIN. QNH PRESSURE IN HPA 1007.8 1004.2 1006.3 1006.8 1004.4 997.7 997.8 1001.2 1005.4 1010.8 1009.8 1012.1 997.7 DAY-HOUR 28-21 17-12 13-12 17-12 23-15 30-15 25-15 1-12 12-12 6- 0 14-12 6-12 MEAN QFF PRESSURE IN HPA 1016.4 1010.3 1010.5 1006.5 1004.5 995.2 991.6 997.7 1002.7 1009.6 1016.3 1019.8 1006.8 MAX. QFF PRESSURE IN HPA 1025.4 1022.3 1030.8 1014.9 1016.7 1005.5 996.7 1003.8 1012.6 1015.6 1030.4 1034.3 1034.3 DAY-HOUR 12- 6 7- 6 3- 6 19- 6 2- 6 1- 3 3- 6 5- 3 27- 6 16- 3 25- 6 13- 6 MIN. QFF PRESSURE IN HPA 1003.1 1001.0 999.0 998.1 994.3 985.2 985.7 988.3 994.7 1001.0 1003.0 1006.5 985.2 DAY-HOUR 28-21 17-12 13-12 17-12 23-15 30-21 26- 0 1-12 12-12 6- 0 1-12 6-12 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 895.6 892.0 892.6 891.8 890.9 885.4 882.5 886.9 890.1 894.5 897.0 898.5 891.5 MAX. QFE PRESSURE IN HPA 901.5 899.4 904.0 896.7 897.0 891.9 885.8 891.0 896.5 897.5 905.8 905.2 905.8 DAY 13 7 3 8 3 1 3 5 28 17 25 14 MIN. QFE PRESSURE IN HPA 886.9 886.8 886.7 887.5 884.3 879.3 878.5 881.5 886.0 889.5 889.0 892.9 878.5 DAY 29 17 14 18 24 21 1 1 12 6 15 11 MEAN QNH PRESSURE IN HPA 1017.5 1013.5 1014.2 1013.4 1012.4 1006.3 1003.0 1007.9 1011.4 1016.3 1019.1 1020.8 1013.0 MAX. QNH PRESSURE IN HPA 1024.1 1021.8 1026.9 1018.8 1019.1 1013.4 1006.7 1012.4 1018.5 1019.6 1028.9 1028.2 1028.9 DAY 13 7 3 8 3 1 3 5 28 17 25 14 MIN. QNH PRESSURE IN HPA 1007.9 1007.8 1007.7 1008.6 1005.0 999.5 998.6 1001.9 1006.9 1010.8 1010.2 1014.5 998.6 DAY 29 17 14 18 24 21 1 1 12 6 15 11 MEAN QFF PRESSURE IN HPA 1015.3 1009.5 1009.3 1005.6 1003.8 995.0 990.9 997.1 1002.0 1008.7 1015.3 1018.9 1005.9 MAX. QFF PRESSURE IN HPA 1021.3 1020.5 1028.0 1011.2 1014.3 1003.4 994.7 1002.5 1011.4 1013.4 1028.3 1031.7 1031.7 DAY 13 1 3 3 3 1 13 5 28 17 25 14 MIN. QFF PRESSURE IN HPA 1003.3 1002.6 1000.3 999.6 994.6 987.5 985.7 988.9 996.0 1001.0 1004.1 1008.4 985.7 DAY 29 16 14 28 24 21 26 1 12 6 15 7 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 896.6 892.9 894.0 893.5 892.4 886.8 883.8 888.1 891.4 895.7 898.2 899.4 892.7 MAX. QFE PRESSURE IN HPA 902.3 900.0 905.3 897.4 898.2 893.3 887.3 892.0 897.5 898.9 906.6 906.1 906.6 DAY 12 7 3 7 2 1 3 5 27 16 23 12 MIN. QFE PRESSURE IN HPA 888.7 886.6 888.2 889.7 886.8 880.7 879.6 882.4 886.8 890.9 890.6 894.4 879.6 DAY 29 19 14 17 24 30 26 1 12 1 15 11 MEAN QNH PRESSURE IN HPA 1018.7 1014.5 1015.7 1015.3 1014.0 1007.7 1004.4 1009.2 1012.9 1017.7 1020.4 1021.8 1014.4 MAX. QNH PRESSURE IN HPA 1025.0 1022.4 1028.3 1019.5 1020.4 1015.0 1008.3 1013.5 1019.6 1021.2 1029.7 1029.2 1029.7 DAY 12 7 3 7 2 1 3 5 27 16 23 12 MIN. QNH PRESSURE IN HPA 1009.9 1007.6 1009.3 1011.0 1007.8 1001.0 999.8 1002.9 1007.8 1012.3 1012.0 1016.2 999.8 DAY 29 19 14 17 24 30 26 1 12 1 15 11 MEAN QFF PRESSURE IN HPA 1017.5 1011.4 1011.6 1008.1 1005.9 996.9 992.8 998.9 1004.1 1011.0 1017.7 1021.0 1008.1 MAX. QFF PRESSURE IN HPA 1023.8 1021.8 1030.7 1013.9 1015.3 1005.5 996.3 1003.8 1012.3 1015.6 1030.1 1033.4 1033.4 DAY 12 7 3 19 3 1 3 5 28 16 25 14 MIN. QFF PRESSURE IN HPA 1006.0 1003.6 1002.8 1002.4 997.6 989.2 987.6 990.4 997.5 1004.1 1006.6 1011.2 987.6 DAY 29 16 14 28 24 30 26 1 12 6 15 7 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 2003 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 898.1 894.4 895.4 894.6 893.4 887.4 884.5 889.1 892.2 896.8 899.4 900.7 893.8 MAX. QFE PRESSURE IN HPA 904.5 901.2 906.6 898.5 899.5 893.3 888.2 892.6 898.8 899.8 907.6 907.8 907.8 DAY 12 7 3 7 2 1 3 4 27 16 25 12 MIN. QFE PRESSURE IN HPA 890.6 887.4 889.8 891.0 888.7 881.7 880.3 883.5 888.0 892.0 892.7 895.9 880.3 DAY 29 19 13 14 24 21 26 1 11 1 14 7 MEAN QNH PRESSURE IN HPA 1020.3 1016.2 1017.3 1016.4 1015.1 1008.5 1005.2 1010.3 1013.7 1018.9 1021.8 1023.2 1015.6 MAX. QNH PRESSURE IN HPA 1027.4 1023.7 1029.7 1020.8 1021.9 1015.0 1009.3 1014.2 1021.1 1022.2 1030.9 1031.1 1031.1 DAY 12 7 3 7 2 1 3 4 27 16 25 12 MIN. QNH PRESSURE IN HPA 1012.0 1008.4 1011.1 1012.4 1009.9 1002.1 1000.6 1004.1 1009.1 1013.5 1014.3 1017.9 1000.6 DAY 29 19 13 14 24 21 26 1 11 1 14 7 MEAN QFF PRESSURE IN HPA 1018.6 1012.5 1012.6 1008.6 1006.5 997.1 993.1 999.4 1004.3 1011.3 1018.2 1021.4 1008.6 MAX. QFF PRESSURE IN HPA 1025.4 1022.3 1030.8 1014.9 1016.7 1004.7 996.7 1003.5 1012.6 1015.5 1030.4 1034.3 1034.3 DAY 12 7 3 19 2 1 3 4 27 16 25 13 MIN. QFF PRESSURE IN HPA 1006.6 1004.5 1003.7 1002.8 999.2 989.8 988.0 990.9 998.5 1005.2 1007.1 1011.6 988.0 DAY 29 16 13 28 24 30 26 1 11 1 2 7 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 896.1 892.7 893.8 893.1 892.0 886.1 883.5 887.6 890.7 895.1 897.4 898.7 892.2 MAX. QFE PRESSURE IN HPA 901.6 899.4 904.0 897.8 897.7 891.2 888.0 891.7 896.8 898.1 906.0 906.1 906.1 DAY 12 7 3 7 2 1 3 4 27 15 24 12 MIN. QFE PRESSURE IN HPA 889.6 886.0 887.9 887.3 887.4 879.6 879.5 882.3 885.8 891.5 890.3 893.4 879.5 DAY 29 19 17 17 28 30 25 1 12 1 14 6 MEAN QNH PRESSURE IN HPA 1018.1 1014.4 1015.5 1014.7 1013.6 1006.9 1004.1 1008.7 1012.1 1017.0 1019.6 1021.0 1013.8 MAX. QNH PRESSURE IN HPA 1024.2 1021.8 1026.9 1020.0 1019.9 1012.7 1009.1 1013.2 1018.9 1020.3 1029.1 1029.2 1029.2 DAY 12 7 3 7 2 1 3 4 27 15 24 12 MIN. QNH PRESSURE IN HPA 1010.9 1006.9 1009.0 1008.3 1008.4 999.8 999.7 1002.8 1006.7 1013.0 1011.7 1015.1 999.7 DAY 29 19 17 17 28 30 25 1 12 1 14 6 MEAN QFF PRESSURE IN HPA 1015.8 1010.2 1010.6 1006.9 1004.9 995.6 992.0 997.9 1002.6 1009.1 1015.7 1019.0 1006.7 MAX. QFF PRESSURE IN HPA 1021.5 1020.1 1027.4 1014.3 1014.7 1002.1 996.5 1002.3 1010.2 1013.3 1028.2 1031.4 1031.4 DAY 12 7 3 19 2 1 3 4 27 17 24 12 MIN. QFF PRESSURE IN HPA 1005.6 1002.2 1001.5 999.6 997.9 987.6 987.1 989.9 996.0 1003.9 1004.3 1009.6 987.1 DAY 29 16 13 17 23 30 1 1 12 5 2 6 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 895.0 891.2 892.0 891.1 890.2 884.6 882.1 886.2 889.4 893.9 896.2 897.4 890.8 MAX. QFE PRESSURE IN HPA 900.5 898.3 902.0 895.9 896.3 889.6 885.7 889.2 896.2 897.1 905.0 904.9 905.0 DAY 12 6 3 7 2 1 3 4 27 15 25 12 MIN. QFE PRESSURE IN HPA 888.6 883.6 885.5 885.9 885.6 878.0 878.1 880.9 884.7 890.0 888.6 890.7 878.0 DAY 29 17 13 17 23 30 25 1 12 5 14 6 MEAN QNH PRESSURE IN HPA 1016.9 1012.7 1013.6 1012.6 1011.6 1005.3 1002.6 1007.2 1010.6 1015.6 1018.2 1019.6 1012.2 MAX. QNH PRESSURE IN HPA 1023.0 1020.5 1024.6 1017.9 1018.3 1010.9 1006.6 1010.4 1018.2 1019.2 1028.0 1027.9 1028.0 DAY 12 6 3 7 2 1 3 4 27 15 25 12 MIN. QNH PRESSURE IN HPA 1009.8 1004.2 1006.3 1006.8 1006.4 998.0 998.1 1001.2 1005.4 1011.3 1009.8 1012.1 998.0 DAY 29 17 13 17 23 30 25 1 12 5 14 6 MEAN QFF PRESSURE IN HPA 1014.7 1008.7 1008.6 1004.8 1003.0 994.0 990.6 996.4 1001.3 1008.0 1014.5 1018.0 1005.2 MAX. QFF PRESSURE IN HPA 1020.8 1017.6 1025.1 1011.5 1013.2 1000.3 994.4 999.8 1009.8 1013.0 1027.3 1030.0 1030.0 DAY 2 6 3 19 2 1 12 30 27 17 25 13 MIN. QFF PRESSURE IN HPA 1004.6 1001.0 999.0 998.1 995.6 985.6 985.8 988.3 994.7 1001.3 1003.0 1006.5 985.6 DAY 29 17 13 17 23 30 25 1 12 5 1 6 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 2003 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 896.0 891.9 892.8 891.3 890.4 884.3 882.0 886.4 889.9 894.7 897.2 898.6 891.3 MAX. QFE PRESSURE IN HPA 902.2 899.3 902.4 896.7 897.0 889.9 884.8 888.7 896.8 898.2 905.9 906.0 906.0 DAY 12 6 2 7 2 1 3 28 27 17 25 12 MIN. QFE PRESSURE IN HPA 888.2 884.6 886.7 885.9 883.8 877.7 877.8 880.9 884.7 890.8 889.5 892.5 877.7 DAY 28 17 29 17 23 30 25 1 12 5 14 6 MEAN QNH PRESSURE IN HPA 1018.0 1013.4 1014.4 1012.8 1011.7 1005.0 1002.5 1007.3 1011.2 1016.6 1019.3 1020.8 1012.8 MAX. QNH PRESSURE IN HPA 1024.9 1021.6 1025.1 1018.8 1019.1 1011.2 1005.6 1009.9 1018.9 1020.4 1029.0 1029.1 1029.1 DAY 12 6 2 7 2 1 3 28 27 17 25 12 MIN. QNH PRESSURE IN HPA 1009.3 1005.3 1007.7 1006.8 1004.4 997.7 997.8 1001.2 1005.4 1012.2 1010.8 1014.1 997.7 DAY 28 17 29 17 23 30 25 1 12 5 14 6 MEAN QFF PRESSURE IN HPA 1016.8 1010.2 1010.2 1005.6 1003.6 994.1 990.9 996.9 1002.4 1009.8 1016.6 1020.3 1006.4 MAX. QFF PRESSURE IN HPA 1023.7 1019.5 1026.3 1012.3 1014.3 1001.2 993.9 1000.5 1011.4 1015.2 1029.5 1032.3 1032.3 DAY 12 6 2 3 2 1 15 31 27 17 25 13 MIN. QFF PRESSURE IN HPA 1006.9 1002.6 1002.5 999.4 994.3 985.5 985.8 989.1 995.3 1003.3 1005.6 1009.2 985.5 DAY 17 17 13 17 23 30 25 1 12 5 1 6 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 896.7 892.8 893.9 892.8 891.7 885.4 883.0 887.5 891.1 895.7 898.1 899.4 892.3 MAX. QFE PRESSURE IN HPA 903.6 900.6 904.7 898.2 898.6 890.7 885.5 890.0 897.2 898.8 906.3 906.0 906.3 DAY 12 6 2 7 2 1 2 4 27 17 25 12 MIN. QFE PRESSURE IN HPA 887.4 887.1 888.2 887.5 884.8 879.0 879.2 882.6 886.4 891.0 890.3 894.2 879.0 DAY 28 17 29 17 23 30 25 1 12 5 14 6 MEAN QNH PRESSURE IN HPA 1018.8 1014.4 1015.6 1014.5 1013.2 1006.2 1003.6 1008.6 1012.5 1017.6 1020.3 1021.7 1013.9 MAX. QNH PRESSURE IN HPA 1026.4 1023.1 1027.6 1020.4 1020.9 1012.1 1006.3 1011.3 1019.3 1021.1 1029.4 1029.1 1029.4 DAY 12 6 2 7 2 1 2 4 27 17 25 12 MIN. QNH PRESSURE IN HPA 1008.4 1008.1 1009.3 1008.6 1005.6 999.1 999.3 1003.1 1007.3 1012.4 1011.7 1016.0 999.1 DAY 28 17 29 17 23 30 25 1 12 5 14 6 MEAN QFF PRESSURE IN HPA 1017.0 1010.6 1010.8 1006.6 1004.5 994.8 991.5 997.7 1003.1 1009.9 1016.7 1020.3 1007.0 MAX. QFF PRESSURE IN HPA 1024.7 1021.1 1028.6 1013.0 1016.3 1000.8 994.7 1001.1 1011.3 1014.9 1029.1 1033.0 1033.0 DAY 12 6 2 2 2 2 15 4 27 17 24 13 MIN. QFF PRESSURE IN HPA 1004.1 1003.2 1002.0 1000.2 995.0 986.1 986.9 989.7 996.5 1002.5 1005.3 1010.1 986.1 DAY 28 15 13 28 23 30 25 1 12 5 1 6 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 896.1 892.3 893.4 892.4 891.4 885.1 883.1 887.3 890.6 895.2 897.5 899.0 891.9 MAX. QFE PRESSURE IN HPA 902.0 900.1 904.7 897.7 898.1 890.3 886.0 889.5 896.7 898.1 905.8 905.5 905.8 DAY 12 6 2 7 2 2 2 4 27 16 24 13 MIN. QFE PRESSURE IN HPA 886.8 887.3 887.7 887.5 884.3 878.1 880.0 883.7 886.1 890.0 889.5 893.3 878.1 DAY 28 15 13 17 23 30 25 1 12 5 14 10 MEAN QNH PRESSURE IN HPA 1018.1 1013.8 1015.1 1014.0 1012.9 1005.9 1003.7 1008.3 1011.9 1017.0 1019.7 1021.3 1013.5 MAX. QNH PRESSURE IN HPA 1024.6 1022.5 1027.6 1019.9 1020.3 1011.7 1006.9 1010.8 1018.8 1020.3 1028.9 1028.5 1028.9 DAY 12 6 2 7 2 2 2 4 27 16 24 13 MIN. QNH PRESSURE IN HPA 1007.8 1008.3 1008.8 1008.6 1005.0 998.1 1000.2 1004.3 1007.0 1011.3 1010.8 1015.0 998.1 DAY 28 15 13 17 23 30 25 1 12 5 14 10 MEAN QFF PRESSURE IN HPA 1015.8 1009.6 1010.1 1006.0 1004.1 994.4 991.5 997.5 1002.4 1009.1 1015.8 1019.4 1006.3 MAX. QFF PRESSURE IN HPA 1021.8 1020.8 1028.5 1012.3 1015.3 1000.4 994.8 1001.2 1010.8 1013.8 1028.3 1031.9 1031.9 DAY 12 6 2 2 2 7 5 30 27 16 24 13 MIN. QFF PRESSURE IN HPA 1003.1 1002.3 1001.2 999.9 994.4 985.2 987.2 991.2 995.9 1001.3 1004.7 1010.0 985.2 DAY 28 15 13 28 23 30 26 1 12 5 14 6 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 2004 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 13.3 16.3 21.3 24.5 30.1 33.9 33.3 33.3 28.9 23.2 19.8 11.7 24.1 MINIMUN AIR TEMPERATURE (C) 8.3 10.0 14.6 18.4 23.7 27.7 27.4 27.0 23.0 17.4 14.1 6.6 18.2 DAYS WITH MINIMUM TEMP. >=21 0 0 2 6 27 30 31 31 24 1 0 0 152 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 0 0 0 0 0 0 0 0 0 0 0 1 1 TEMPERATURE RECORDS LOWEST(C) 1.8 1.0 8.8 13.4 16.4 24.0 23.0 23.2 17.2 11.2 4.6 0.0 0.0 DAY 2 9 17 3 1 2 20 20 29 10 30 31 MAXIMUM AIR TEMPERATURE (C) 19.0 23.2 28.1 30.5 36.5 39.9 39.0 39.7 35.2 29.7 26.5 17.2 30.4 DAYS WITH MAXIMUM TEMP. >=30 0 2 13 16 30 30 31 31 30 15 1 0 199 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 25.8 31.8 34.8 37.4 40.0 43.4 42.6 45.0 39.8 35.2 30.6 27.2 45.0 DAY 6 15 8 24 13 11 25 13 6 14 23 14 DIF. BETWEEN (MAX.-MIN.) (C) 10.7 13.2 13.5 12.1 12.8 12.2 11.6 12.7 12.2 12.3 12.4 10.6 12.2 MEAN DAILY TEMP. (MDT) (C) 13.7 16.6 21.4 24.5 30.1 33.8 33.2 33.4 29.1 23.6 20.3 11.9 24.3 COOLING DEG. DAYS(BASE 21 0C) 0.0 8.9 56.3 105.7 282.5 384.5 379.5 383.1 243.2 86.9 25.6 0.8 1957.0 HEATING DEG. DAYS(BASE 18 0C) 144.6 66.9 17.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 18.2 199.8 446.6 DEWPOINT (MEAN C) 0.4 -4.7 -3.7 1.5 1.9 2.5 3.0 2.1 1.5 4.7 1.4 -1.0 0.8 MIXING RATIO (G/KG) 4.61 3.20 3.43 5.00 5.03 5.30 5.48 5.18 4.92 6.11 4.88 4.08 4.77 VAPOUR PRESSURE (HPA) 6.57 4.57 4.91 7.10 7.13 7.48 7.74 7.31 7.00 8.73 7.06 5.92 6.79 SATURATION DEF. (HPA) 9.43 15.05 21.75 24.66 36.92 46.79 44.64 45.50 34.30 20.81 17.09 8.84 27.15 RELATIVE HUMIDITY (MEAN %) 44 27 21 25 18 15 16 15 18 31 32 45 26 RELATIVE HUMIDITY (MAX. %) 63 41 31 40 26 21 21 22 25 41 42 60 36 RELATIVE HUMIDITY (MIN. %) 28 14 12 14 11 9 10 9 11 22 21 30 16 RELATIVE HUMIDITY (MEAN% 03UTC) 57 36 27 34 23 18 20 18 22 36 39 53 32 RELATIVE HUMIDITY (MEAN% 09UTC) 31 16 14 17 12 10 12 10 12 23 22 35 18 RELATIVE HUMIDITY (MEAN% 15UTC) 40 23 18 20 15 12 13 13 18 33 29 42 23 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 7.7 0.2 0.0 2.0 11.0 0.0 0.0 0.0 0.0 0.0 0.0 25.0 45.9 DAYS WITH PRECIPITATION >=10 0 0 0 0 1 0 0 0 0 0 0 1 2 DAYS WITH PRECIPITATION >= 5 0 0 0 0 1 0 0 0 0 0 0 2 3 DAYS WITH PRECIPITATION >= 1 3 0 0 1 1 0 0 0 0 0 0 3 8 DAYS WITH PRECIPITATION 5 1 1 2 1 0 0 0 0 2 1 4 17 GREATEST DAILY PRECIPITATION 3.5 0.2 0.0 2.0 11.0 0.0 0.0 0.0 0.0 0.0 0.0 15.0 15.0 DAY 27 8 ** 11 29 ** ** ** ** ** ** 27 DAY WITH THUNDER STORM 1 0 0 0 1 0 0 0 0 1 0 0 3 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 4 1 5 9 10 8 7 5 1 0 4 2 56 WIND DIRECTION (PREVAILING) 270 270 270 270 270 270 270 270 270 270 315 315 270 PREVAILING WIND SPEED(KNOTS) 7.8 8.6 9.8 9.8 9.4 8.9 7.5 7.3 7.7 8.3 8.8 7.5 8.7 PREVAILING WIND PERCENT 25.4 32.8 30.5 33.3 41.1 42.5 39.9 25.0 27.5 23.4 35.8 28.6 29.7 CALMS PERCENT OF WIND 19.8 21.1 14.4 13.8 11.7 21.7 18.5 24.2 25.8 33.5 3.3 11.7 18.3 NO. OF WIND OBSERVATION 248 232 236 240 248 240 248 248 240 248 240 248 2916 VECTOR WIND DIRECTION (MEAN) 293 305 291 304 304 295 306 327 328 319 317 336 312 VECTOR WIND MAGNITUDE(KNOTS) 1.7 2.3 2.9 4.0 5.1 4.5 5.0 4.0 3.6 3.0 5.2 4.4 3.7 WIND STEADINESES (MEAN %) 27.4 35.4 34.1 46.5 60.0 65.2 75.8 66.7 61.0 57.7 57.1 58.7 52.1 WIND SPEED (MEAN KNOTS) 6.2 6.5 8.5 8.6 8.5 6.9 6.6 6.0 5.9 5.2 9.1 7.5 7.1 FASTEST WIND DIRECTION 270 360 200 210 270 280 310 20 360 290 360 360 200 FASTEST WIND SPEED (KNOTS) 27 27 39 35 35 23 39 37 19 16 23 29 39 DAY 7 8 14 1 29 5 11 17 9 3 28 3 DAYS WITH SKY CLEAR (0-2)/8 13 20 22 21 27 25 27 29 28 27 20 13 272 DAYS WITH P.CLOUDY (3-6)/8 15 9 8 9 4 5 4 2 2 4 7 13 82 DAYS WITH CLOUDY (7-8)/8 3 0 0 0 0 0 0 0 0 0 3 5 11 DAYS WITH VISIBILITY =< 2 KM 1 0 2 3 0 1 0 0 0 0 1 2 10 DURATION OF SUNSHINE HOURS 202.9 264.6 284.3 281.3 330.2 313.9 342.8 355.4 312.0 295.3 256.8 204.7 3444.2 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 2004 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 894.4 895.8 894.7 891.5 888.9 886.1 886.3 886.3 892.1 897.5 908.3 908.7 894.2 MAX. QFE PRESSURE IN HPA 903.9 904.0 902.4 898.8 894.3 894.0 892.0 892.2 898.6 902.9 916.2 921.3 921.3 DAY-HOUR 1- 6 10- 6 23- 6 13- 6 27- 6 2- 6 18- 6 31- 6 27- 6 27- 6 29- 6 4- 6 MIN. QFE PRESSURE IN HPA 884.0 888.9 884.3 882.8 881.1 878.9 880.4 881.2 885.9 892.3 901.4 900.4 878.9 DAY-HOUR 27-12 2-15 31-15 17-21 13-15 17-21 11-12 15-12 11-12 3-12 24-12 15-12 MEAN QNH PRESSURE IN HPA 1016.2 1017.7 1016.5 1013.0 1010.1 1007.0 1007.3 1007.2 1013.6 1019.6 1031.6 1032.1 1016.0 MAX. QNH PRESSURE IN HPA 1026.7 1026.9 1025.1 1021.1 1016.1 1015.8 1013.5 1013.8 1020.9 1025.6 1040.4 1046.0 1046.0 DAY-HOUR 1- 6 10- 6 23- 6 13- 6 27- 6 2- 6 18- 6 31- 6 27- 6 27- 6 29- 6 4- 6 MIN. QNH PRESSURE IN HPA 1004.7 1010.1 1005.0 1003.3 1001.5 999.0 1000.7 1001.6 1006.8 1013.9 1024.0 1022.9 999.0 DAY-HOUR 27-12 2-15 31-15 17-21 13-15 17-21 11-12 15-12 11-12 3-12 24-12 15-12 MEAN QFF PRESSURE IN HPA 1013.7 1014.1 1010.7 1005.7 1000.5 995.9 996.4 996.3 1004.5 1012.9 1026.5 1030.7 1009.0 MAX. QFF PRESSURE IN HPA 1027.0 1025.5 1021.9 1014.4 1007.1 1005.9 1003.1 1004.4 1014.0 1019.5 1038.6 1045.6 1045.6 DAY-HOUR 1- 6 10- 6 23- 6 13- 6 7- 6 2- 6 18- 6 31- 6 27- 3 27- 6 29- 6 4- 6 MIN. QFF PRESSURE IN HPA 1000.2 1003.1 997.2 993.6 991.2 987.1 989.7 989.4 996.8 1006.3 1016.2 1017.5 987.1 DAY-HOUR 27-12 16- 0 31-15 17-21 13-12 17-21 11-12 15-12 11-12 3-12 24-12 15-12 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 894.2 895.3 894.4 890.6 888.2 885.5 885.9 885.8 891.6 897.1 908.1 908.2 893.7 MAX. QFE PRESSURE IN HPA 903.4 901.4 900.0 896.2 891.5 889.9 888.8 889.9 897.2 900.8 914.2 918.9 918.9 DAY 1 9 24 13 9 7 18 31 27 27 29 4 MIN. QFE PRESSURE IN HPA 886.7 889.6 889.1 884.3 882.0 879.3 881.4 882.1 886.6 893.7 901.9 901.8 879.3 DAY 24 16 31 18 14 18 11 16 12 4 24 27 MEAN QNH PRESSURE IN HPA 1016.0 1017.2 1016.2 1012.0 1009.3 1006.3 1006.8 1006.6 1013.1 1019.2 1031.4 1031.5 1015.5 MAX. QNH PRESSURE IN HPA 1026.2 1024.0 1022.4 1018.2 1013.0 1011.2 1010.0 1011.2 1019.3 1023.3 1038.2 1043.4 1043.4 DAY 1 9 24 13 9 7 18 31 27 27 29 4 MIN. QNH PRESSURE IN HPA 1007.7 1010.9 1010.3 1005.0 1002.5 999.5 1001.8 1002.6 1007.6 1015.4 1024.5 1024.4 999.5 DAY 24 16 31 18 14 18 11 16 12 4 24 27 MEAN QFF PRESSURE IN HPA 1013.3 1013.3 1010.4 1004.5 999.8 995.2 995.8 995.7 1004.0 1012.4 1026.0 1029.9 1008.3 MAX. QFF PRESSURE IN HPA 1026.6 1024.1 1019.2 1011.0 1005.7 1001.4 1000.1 1001.9 1012.1 1017.8 1035.5 1042.9 1042.9 DAY 1 9 24 3 7 2 18 31 27 27 30 4 MIN. QFF PRESSURE IN HPA 1004.0 1003.1 1001.9 995.5 991.6 987.7 990.8 990.3 997.7 1007.5 1016.7 1020.0 987.7 DAY 15 16 31 18 14 18 11 16 12 5 24 10 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 894.6 895.9 895.4 892.1 889.5 887.1 887.2 887.1 892.8 898.2 909.0 908.9 894.8 MAX. QFE PRESSURE IN HPA 902.9 901.8 900.6 896.7 893.3 892.9 890.7 890.8 898.1 901.6 915.4 920.0 920.0 DAY 1 10 23 13 27 7 18 30 27 27 29 4 MIN. QFE PRESSURE IN HPA 886.3 890.2 889.5 885.7 882.8 880.8 881.8 883.8 887.7 895.0 903.0 902.6 880.8 DAY 27 20 31 1 14 18 11 16 12 3 24 27 MEAN QNH PRESSURE IN HPA 1016.4 1017.9 1017.3 1013.7 1010.7 1008.1 1008.2 1008.1 1014.5 1020.5 1032.4 1032.3 1016.7 MAX. QNH PRESSURE IN HPA 1025.6 1024.4 1023.1 1018.8 1015.0 1014.5 1012.1 1012.2 1020.3 1024.2 1039.5 1044.6 1044.6 DAY 1 10 23 13 27 7 18 30 27 27 29 4 MIN. QNH PRESSURE IN HPA 1007.2 1011.6 1010.8 1006.6 1003.3 1001.1 1002.2 1004.4 1008.8 1016.9 1025.7 1025.3 1001.1 DAY 27 20 31 1 14 18 11 16 12 3 24 27 MEAN QFF PRESSURE IN HPA 1014.6 1015.1 1012.3 1006.8 1001.7 997.4 997.6 997.7 1006.1 1014.6 1028.2 1031.6 1010.3 MAX. QFF PRESSURE IN HPA 1026.8 1025.2 1021.4 1012.5 1007.1 1004.6 1002.3 1002.8 1014.0 1019.3 1037.2 1045.1 1045.1 DAY 1 9 23 13 7 7 18 31 27 27 29 4 MIN. QFF PRESSURE IN HPA 1002.7 1006.7 1003.2 998.8 993.5 989.6 990.8 992.7 999.7 1010.5 1019.1 1021.5 989.6 DAY 27 16 31 1 14 18 11 16 12 5 24 17 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 2004 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 896.2 897.4 896.6 893.3 890.5 887.9 887.9 887.7 893.5 899.1 910.0 910.3 895.9 MAX. QFE PRESSURE IN HPA 903.9 904.0 902.4 898.8 894.3 894.0 892.0 892.2 898.6 902.9 916.2 921.3 921.3 DAY 1 10 23 13 27 2 18 31 27 27 29 4 MIN. QFE PRESSURE IN HPA 890.7 892.2 889.4 887.7 883.6 881.6 882.3 884.0 888.0 895.5 904.1 904.4 881.6 DAY 15 20 31 1 14 18 11 15 12 3 24 21 MEAN QNH PRESSURE IN HPA 1018.2 1019.5 1018.7 1014.9 1011.8 1009.0 1009.0 1008.8 1015.2 1021.4 1033.5 1033.9 1017.8 MAX. QNH PRESSURE IN HPA 1026.7 1026.9 1025.1 1021.1 1016.1 1015.8 1013.5 1013.8 1020.9 1025.6 1040.4 1046.0 1046.0 DAY 1 10 23 13 27 2 18 31 27 27 29 4 MIN. QNH PRESSURE IN HPA 1012.1 1013.8 1010.7 1008.8 1004.2 1002.0 1002.8 1004.7 1009.1 1017.4 1027.0 1027.3 1002.0 DAY 15 20 31 1 14 18 11 15 12 3 24 21 MEAN QFF PRESSURE IN HPA 1015.8 1015.9 1012.8 1007.5 1002.1 997.8 998.0 997.8 1005.8 1014.4 1028.4 1032.5 1010.7 MAX. QFF PRESSURE IN HPA 1027.0 1025.5 1021.9 1014.4 1007.1 1005.9 1003.1 1004.4 1013.4 1019.5 1038.6 1045.6 1045.6 DAY 1 10 23 13 7 2 18 31 27 27 29 4 MIN. QFF PRESSURE IN HPA 1006.9 1007.7 1003.2 1001.1 993.7 990.5 991.4 992.2 999.0 1009.8 1019.9 1021.7 990.5 DAY 15 16 31 1 14 18 11 15 12 5 24 16 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 894.1 896.1 895.1 892.2 889.4 886.7 886.7 886.5 891.9 897.1 907.8 908.5 894.3 MAX. QFE PRESSURE IN HPA 901.1 902.5 900.9 897.2 892.8 893.8 891.0 890.3 897.0 900.7 913.4 918.3 918.3 DAY 1 10 23 11 27 1 18 31 27 27 29 4 MIN. QFE PRESSURE IN HPA 887.2 891.2 887.1 886.7 882.6 880.5 881.6 882.7 886.9 893.1 901.6 902.1 880.5 DAY 27 15 31 1 14 18 11 15 12 3 24 15 MEAN QNH PRESSURE IN HPA 1015.9 1018.1 1017.0 1013.8 1010.7 1007.7 1007.6 1007.4 1013.5 1019.2 1031.1 1031.8 1016.2 MAX. QNH PRESSURE IN HPA 1023.6 1025.2 1023.4 1019.3 1014.4 1015.5 1012.4 1011.7 1019.1 1023.2 1037.3 1042.7 1042.7 DAY 1 10 23 11 27 1 18 31 27 27 29 4 MIN. QNH PRESSURE IN HPA 1008.2 1012.7 1008.1 1007.7 1003.1 1000.8 1002.0 1003.2 1007.9 1014.8 1024.2 1024.8 1000.8 DAY 27 15 31 1 14 18 11 15 12 3 24 15 MEAN QFF PRESSURE IN HPA 1013.0 1014.1 1010.8 1006.3 1000.9 996.5 996.6 996.3 1004.1 1012.0 1025.5 1030.0 1008.8 MAX. QFF PRESSURE IN HPA 1023.4 1022.8 1020.1 1013.9 1005.7 1005.2 1002.5 1002.2 1011.8 1017.2 1035.3 1042.1 1042.1 DAY 1 10 22 11 7 1 18 31 27 27 29 4 MIN. QFF PRESSURE IN HPA 1003.2 1005.6 1000.4 999.9 992.7 989.0 990.5 990.6 997.9 1007.0 1016.5 1019.0 989.0 DAY 14 15 31 1 14 18 11 15 12 3 24 16 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 892.9 894.6 893.3 890.7 888.2 885.2 885.3 885.0 890.8 896.2 906.8 907.5 893.0 MAX. QFE PRESSURE IN HPA 899.1 901.4 898.9 895.5 891.7 891.4 888.6 888.7 895.7 899.8 912.4 917.0 917.0 DAY 12 10 23 12 3 2 17 31 27 27 29 4 MIN. QFE PRESSURE IN HPA 884.0 889.4 884.8 885.9 881.3 879.5 880.4 881.2 885.9 892.3 901.4 900.4 879.5 DAY 27 15 31 1 13 17 11 15 11 3 24 15 MEAN QNH PRESSURE IN HPA 1014.5 1016.5 1015.0 1012.1 1009.3 1006.0 1006.1 1005.8 1012.2 1018.2 1030.0 1030.7 1014.7 MAX. QNH PRESSURE IN HPA 1021.4 1024.0 1021.2 1017.4 1013.2 1012.9 1009.8 1009.9 1017.7 1022.2 1036.2 1041.3 1041.3 DAY 12 10 23 12 3 2 17 31 27 27 29 4 MIN. QNH PRESSURE IN HPA 1004.7 1010.7 1005.6 1006.8 1001.7 999.7 1000.7 1001.6 1006.8 1013.9 1024.0 1022.9 999.7 DAY 27 15 31 1 13 17 11 15 11 3 24 15 MEAN QFF PRESSURE IN HPA 1011.8 1012.5 1009.0 1004.7 999.8 994.9 995.2 994.9 1003.1 1011.2 1024.6 1029.1 1007.6 MAX. QFF PRESSURE IN HPA 1019.9 1021.3 1018.2 1011.0 1004.6 1002.9 999.8 1000.8 1010.5 1016.8 1034.5 1040.8 1040.8 DAY 1 10 22 12 7 2 17 31 27 27 29 4 MIN. QFF PRESSURE IN HPA 1000.2 1003.9 997.4 998.7 991.2 987.8 989.7 989.4 996.8 1006.3 1016.2 1017.5 987.8 DAY 27 15 31 1 13 17 11 15 11 3 24 15 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 2004 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 893.9 894.9 893.6 890.5 887.9 885.0 885.4 885.4 891.4 897.0 907.7 908.6 893.5 MAX. QFE PRESSURE IN HPA 899.9 902.1 899.2 895.9 892.6 890.7 888.6 889.6 896.7 900.7 913.6 918.7 918.7 DAY 12 10 23 12 3 1 17 30 26 27 29 3 MIN. QFE PRESSURE IN HPA 885.9 888.9 884.3 884.0 881.1 879.3 882.0 881.5 886.5 893.1 902.5 902.2 879.3 DAY 27 2 31 17 13 17 11 15 11 3 24 15 MEAN QNH PRESSURE IN HPA 1015.6 1016.8 1015.4 1011.9 1009.0 1005.8 1006.3 1006.3 1012.9 1019.1 1030.9 1032.0 1015.2 MAX. QNH PRESSURE IN HPA 1022.3 1024.8 1021.5 1017.9 1014.2 1012.1 1009.8 1010.9 1018.8 1023.2 1037.5 1043.2 1043.2 DAY 12 10 23 12 3 1 17 30 26 27 29 3 MIN. QNH PRESSURE IN HPA 1006.8 1010.1 1005.0 1004.7 1001.5 999.5 1002.5 1001.9 1007.4 1014.8 1025.2 1024.9 999.5 DAY 27 2 31 17 13 17 11 15 11 3 24 15 MEAN QFF PRESSURE IN HPA 1013.8 1013.8 1010.1 1005.1 1000.0 995.0 995.7 995.9 1004.5 1013.1 1026.7 1031.2 1008.7 MAX. QFF PRESSURE IN HPA 1022.7 1024.0 1019.3 1012.0 1005.5 1002.0 1000.4 1002.1 1012.0 1018.6 1037.0 1042.9 1042.9 DAY 1 10 23 12 3 1 20 31 30 27 29 4 MIN. QFF PRESSURE IN HPA 1002.9 1006.7 997.2 996.1 991.7 987.9 991.4 990.0 998.2 1008.2 1018.4 1020.5 987.9 DAY 27 15 31 17 13 17 11 15 11 3 24 15 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 894.8 896.1 894.7 891.4 888.7 886.0 886.3 886.6 892.5 897.9 908.5 909.2 894.4 MAX. QFE PRESSURE IN HPA 900.3 902.7 900.1 896.6 893.2 891.4 889.7 890.8 898.0 901.3 913.4 920.0 920.0 DAY 12 10 22 12 3 1 16 30 30 27 29 3 MIN. QFE PRESSURE IN HPA 887.8 891.1 884.7 883.2 883.0 880.1 882.5 882.8 887.6 894.3 903.2 903.3 880.1 DAY 23 15 31 17 13 17 11 15 11 3 23 15 MEAN QNH PRESSURE IN HPA 1016.7 1018.0 1016.5 1012.9 1009.8 1006.9 1007.2 1007.6 1014.1 1020.1 1031.8 1032.6 1016.2 MAX. QNH PRESSURE IN HPA 1022.8 1025.4 1022.5 1018.7 1014.9 1012.9 1011.0 1012.2 1020.2 1023.9 1037.3 1044.6 1044.6 DAY 12 10 22 12 3 1 16 30 30 27 29 3 MIN. QNH PRESSURE IN HPA 1008.9 1012.5 1005.4 1003.8 1003.6 1000.3 1003.0 1003.3 1008.7 1016.1 1026.0 1026.1 1000.3 DAY 23 15 31 17 13 17 11 15 11 3 23 15 MEAN QFF PRESSURE IN HPA 1014.2 1014.3 1010.6 1005.5 1000.0 995.7 996.2 996.6 1004.7 1013.1 1026.8 1031.2 1009.1 MAX. QFF PRESSURE IN HPA 1023.1 1024.0 1019.8 1012.1 1005.4 1003.1 1000.6 1002.4 1012.5 1018.4 1036.7 1043.5 1043.5 DAY 1 10 22 29 3 1 16 30 30 27 29 3 MIN. QFF PRESSURE IN HPA 1005.8 1005.2 997.8 994.6 992.8 988.7 991.5 991.0 998.5 1008.5 1019.3 1020.6 988.7 DAY 14 15 31 17 13 17 11 15 11 3 23 15 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 894.5 895.8 894.5 891.2 888.7 885.7 886.2 886.2 892.0 897.4 908.2 908.5 894.1 MAX. QFE PRESSURE IN HPA 900.3 902.6 900.6 896.6 892.1 891.1 889.4 890.0 897.9 901.3 912.9 919.2 919.2 DAY 12 8 23 12 8 6 17 30 30 26 28 3 MIN. QFE PRESSURE IN HPA 888.2 890.8 885.1 882.8 882.3 878.9 882.1 882.5 886.8 893.7 902.3 902.5 878.9 DAY 23 15 31 17 14 17 10 15 11 3 23 26 MEAN QNH PRESSURE IN HPA 1016.3 1017.8 1016.3 1012.7 1009.9 1006.6 1007.1 1007.2 1013.6 1019.6 1031.6 1031.8 1015.9 MAX. QNH PRESSURE IN HPA 1022.8 1025.3 1023.1 1018.7 1013.7 1012.5 1010.7 1011.3 1020.1 1023.9 1036.7 1043.7 1043.7 DAY 12 8 23 12 8 6 17 30 30 26 28 3 MIN. QNH PRESSURE IN HPA 1009.3 1012.2 1005.9 1003.3 1002.8 999.0 1002.6 1003.0 1007.8 1015.4 1025.0 1025.2 999.0 DAY 23 15 31 17 14 17 10 15 11 3 23 26 MEAN QFF PRESSURE IN HPA 1013.4 1013.6 1010.2 1005.1 1000.0 995.3 996.1 996.1 1004.3 1012.4 1026.1 1029.9 1008.5 MAX. QFF PRESSURE IN HPA 1021.0 1024.8 1019.8 1012.3 1005.7 1001.9 1000.8 1001.5 1013.1 1017.6 1035.6 1042.7 1042.7 DAY 1 8 23 10 8 1 17 30 30 26 29 3 MIN. QFF PRESSURE IN HPA 1003.6 1003.9 998.1 993.6 992.8 987.1 991.6 990.3 997.6 1007.4 1017.5 1018.9 987.1 DAY 14 15 31 17 13 17 10 15 11 4 23 16 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 2005 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 10.9 11.9 19.9 25.2 28.3 34.2 35.6 33.9 31.5 26.2 17.5 14.4 24.1 MINIMUN AIR TEMPERATURE (C) 5.8 7.0 14.4 19.1 22.4 27.5 29.4 27.6 25.0 20.6 12.4 9.3 18.4 DAYS WITH MINIMUM TEMP. >=21 0 0 2 14 24 28 31 31 30 14 0 0 174 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS LOWEST(C) 1.0 0.6 9.0 10.0 17.4 20.2 25.6 23.8 22.2 13.0 6.0 0.2 0.2 DAY 15 19 28 7 3 11 30 19 12 25 27 31 MAXIMUM AIR TEMPERATURE (C) 16.7 17.4 26.0 31.8 34.3 40.7 41.8 40.1 38.4 32.7 23.5 20.8 30.3 DAYS WITH MAXIMUM TEMP. >=30 0 0 6 22 29 30 31 31 30 26 1 0 206 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 25.2 26.4 34.4 38.0 38.0 47.6 45.0 43.0 41.4 38.0 31.2 28.4 47.6 DAY 3 2 12 27 17 26 15 24 6 1 6 7 DIF. BETWEEN (MAX.-MIN.) (C) 10.9 10.4 11.6 12.7 11.9 13.2 12.4 12.5 13.4 12.1 11.1 11.5 11.9 MEAN DAILY TEMP. (MDT) (C) 11.3 12.2 20.2 25.5 28.4 34.1 35.6 33.8 31.7 26.6 18.0 15.0 24.4 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 40.2 156.3 228.2 393.1 452.0 397.1 321.0 178.6 10.0 0.9 2177.4 HEATING DEG. DAYS(BASE 18 0C) 209.7 169.8 24.2 8.1 0.0 0.0 0.0 0.0 0.0 0.0 49.0 106.3 567.1 DEWPOINT (MEAN C) -1.7 -0.8 4.0 2.2 5.2 4.2 7.2 7.6 3.3 -0.4 -1.3 -5.2 2.0 MIXING RATIO (G/KG) 3.95 4.39 6.09 5.29 6.45 6.12 7.27 7.59 5.64 4.27 3.98 2.97 5.33 VAPOUR PRESSURE (HPA) 5.72 6.33 8.75 7.61 9.25 8.73 10.34 10.81 8.09 6.18 5.78 4.32 7.66 SATURATION DEF. (HPA) 7.90 8.35 15.71 26.41 30.28 47.51 49.45 43.43 39.56 29.18 15.21 13.02 27.17 RELATIVE HUMIDITY (MEAN %) 45 47 40 25 26 18 18 21 18 19 29 27 28 RELATIVE HUMIDITY (MAX. %) 62 63 56 36 36 27 25 29 25 27 43 37 39 RELATIVE HUMIDITY (MIN. %) 29 31 26 15 16 10 13 15 12 11 19 16 18 RELATIVE HUMIDITY (MEAN% 03UTC) 58 56 49 32 32 25 23 27 24 25 39 34 35 RELATIVE HUMIDITY (MEAN% 09UTC) 32 35 28 17 18 13 15 17 13 13 20 17 20 RELATIVE HUMIDITY (MEAN% 15UTC) 39 43 37 22 23 13 15 18 16 16 27 25 25 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 1.4 27.8 12.6 5.2 17.7 3.0 0.0 0.0 0.0 0.0 0.1 0.0 67.8 DAYS WITH PRECIPITATION >=10 0 1 1 0 1 0 0 0 0 0 0 0 3 DAYS WITH PRECIPITATION >= 5 0 3 1 1 1 0 0 0 0 0 0 0 6 DAYS WITH PRECIPITATION >= 1 0 5 2 1 1 1 0 0 0 0 0 0 10 DAYS WITH PRECIPITATION 4 7 7 2 7 1 0 0 0 0 1 0 29 GREATEST DAILY PRECIPITATION 0.8 12.0 10.2 5.0 15.0 3.0 0.0 0.0 0.0 0.0 0.1 0.0 15.0 DAY 7 13 2 12 2 11 ** ** ** ** 14 ** DAY WITH THUNDER STORM 0 2 3 3 5 2 0 0 0 0 0 0 15 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 7 5 6 7 13 7 16 8 1 1 2 2 75 WIND DIRECTION (PREVAILING) 315 360 315 315 315 315 360 360 315 315 315 315 315 PREVAILING WIND SPEED(KNOTS) 8.3 12.9 10.7 10.7 10.6 11.0 16.0 15.6 11.1 10.5 8.7 9.2 10.1 PREVAILING WIND PERCENT 23.8 29.5 25.0 31.3 33.1 34.2 37.9 40.3 37.5 34.3 36.7 36.3 31.4 CALMS PERCENT OF WIND 11.3 14.3 7.7 9.2 3.6 2.1 1.6 0.8 2.5 2.8 7.5 6.0 5.7 NO. OF WIND OBSERVATION 248 224 248 240 248 240 248 248 240 248 240 248 2920 VECTOR WIND DIRECTION (MEAN) 324 341 316 334 325 343 351 347 336 331 333 324 336 VECTOR WIND MAGNITUDE(KNOTS) 4.3 5.2 4.6 6.9 6.8 8.2 10.3 10.0 7.8 7.0 5.4 5.9 6.8 WIND STEADINESES (MEAN %) 52.4 57.1 47.9 64.5 59.1 66.7 81.1 78.1 69.6 66.0 65.1 66.3 64.8 WIND SPEED (MEAN KNOTS) 8.2 9.1 9.6 10.7 11.5 12.3 12.7 12.8 11.2 10.6 8.3 8.9 10.5 FASTEST WIND DIRECTION 360 290 320 360 230 350 10 360 360 360 360 360 230 FASTEST WIND SPEED (KNOTS) 39 33 39 39 47 31 37 29 31 31 31 27 47 DAY 25 22 16 11 6 9 10 6 10 23 7 27 DAYS WITH SKY CLEAR (0-2)/8 19 13 13 20 14 29 26 28 26 31 19 20 258 DAYS WITH P.CLOUDY (3-6)/8 8 9 14 8 15 1 5 3 4 0 10 8 85 DAYS WITH CLOUDY (7-8)/8 4 6 4 2 2 0 0 0 0 0 1 3 22 DAYS WITH VISIBILITY =< 2 KM 0 1 1 3 5 1 2 0 0 0 0 0 13 DURATION OF SUNSHINE HOURS 235.2 207.1 246.3 291.8 270.1 351.5 357.9 355.4 318.7 319.5 266.1 252.8 3472.4 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 2005 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 907.9 905.5 904.0 905.1 901.9 896.8 895.4 897.6 900.9 907.2 909.3 910.0 903.5 MAX. QFE PRESSURE IN HPA 915.4 915.5 910.6 913.5 907.6 904.1 899.9 902.5 905.2 912.7 914.6 917.4 917.4 DAY-HOUR 13- 6 15- 6 27- 6 9- 6 8- 6 6- 3 19- 6 27- 6 25- 6 24- 6 27- 6 28- 6 MIN. QFE PRESSURE IN HPA 896.2 897.6 894.1 895.1 893.6 887.2 888.7 892.6 895.6 900.6 902.1 901.7 887.2 DAY-HOUR 23-12 5-12 24-12 30-15 6-12 27-15 4-15 7-15 5-12 4-12 9-12 26- 0 MEAN QNH PRESSURE IN HPA 1031.2 1028.5 1026.8 1028.1 1024.5 1018.9 1017.4 1019.8 1023.4 1030.4 1032.7 1033.5 1026.3 MAX. QNH PRESSURE IN HPA 1039.5 1039.6 1034.2 1037.4 1030.9 1027.0 1022.3 1025.2 1028.2 1036.5 1038.6 1041.7 1041.7 DAY-HOUR 13- 6 15- 6 27- 6 9- 6 8- 6 6- 3 19- 6 27- 6 25- 6 24- 6 27- 6 28- 6 MIN. QNH PRESSURE IN HPA 1018.2 1019.8 1015.9 1017.0 1015.3 1008.2 1009.9 1014.2 1017.5 1023.1 1024.8 1024.3 1008.2 DAY-HOUR 23-12 5-12 24-12 30-15 6-12 27-15 4-15 7-15 5-12 4-12 9-12 26- 0 MEAN QFF PRESSURE IN HPA 1030.1 1027.0 1021.6 1020.7 1015.8 1007.8 1005.6 1008.7 1013.4 1022.7 1028.7 1031.0 1019.4 MAX. QFF PRESSURE IN HPA 1040.6 1040.6 1030.8 1034.2 1024.1 1017.0 1011.3 1014.9 1019.1 1031.5 1037.6 1042.7 1042.7 DAY-HOUR 13-18 17- 6 27- 6 9- 6 8- 6 6- 3 29- 6 27- 3 25- 6 27- 3 28- 3 30- 6 MIN. QFF PRESSURE IN HPA 1015.1 1014.7 1008.2 1007.5 1006.5 994.9 997.1 1002.6 1006.9 1013.7 1018.0 1018.6 994.9 DAY-HOUR 23-12 5-12 24-12 30- 9 6-12 28- 0 4-15 7-21 5-12 4-12 9- 0 26- 0 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 907.7 904.9 903.4 904.7 901.4 896.6 895.2 897.4 900.5 906.8 909.0 909.5 903.1 MAX. QFE PRESSURE IN HPA 913.5 912.1 908.4 911.2 904.7 902.4 898.0 900.9 903.1 910.8 913.0 915.2 915.2 DAY 14 15 28 9 8 6 19 27 25 12 29 28 MIN. QFE PRESSURE IN HPA 900.6 898.5 896.7 895.4 895.9 887.5 889.9 892.7 896.8 902.0 902.7 901.7 887.5 DAY 25 5 25 30 6 28 5 8 16 5 9 26 MEAN QNH PRESSURE IN HPA 1030.9 1027.9 1026.2 1027.6 1024.0 1018.7 1017.1 1019.5 1023.0 1029.9 1032.4 1033.0 1025.8 MAX. QNH PRESSURE IN HPA 1037.4 1035.8 1031.7 1034.8 1027.6 1025.1 1020.2 1023.4 1025.9 1034.4 1036.8 1039.3 1039.3 DAY 14 15 28 9 8 6 19 27 25 12 29 28 MIN. QNH PRESSURE IN HPA 1023.1 1020.8 1018.8 1017.3 1017.9 1008.6 1011.2 1014.3 1018.9 1024.6 1025.4 1024.3 1008.6 DAY 25 5 25 30 6 28 5 8 16 5 9 26 MEAN QFF PRESSURE IN HPA 1029.7 1025.9 1020.9 1020.2 1015.4 1007.6 1005.3 1008.4 1012.9 1021.9 1028.0 1030.0 1018.8 MAX. QFF PRESSURE IN HPA 1038.8 1037.0 1028.6 1031.4 1021.0 1015.0 1009.7 1012.8 1016.7 1029.5 1035.7 1039.7 1039.7 DAY 14 18 28 9 8 6 30 27 25 25 28 30 MIN. QFF PRESSURE IN HPA 1019.8 1017.0 1011.6 1007.6 1008.9 994.9 998.3 1002.8 1007.8 1014.6 1018.0 1018.6 994.9 DAY 25 5 25 30 6 28 5 8 6 5 9 26 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 908.2 905.7 904.5 906.1 902.8 897.9 896.4 898.5 901.8 908.0 910.1 910.4 904.2 MAX. QFE PRESSURE IN HPA 913.9 913.2 910.0 912.8 907.0 904.1 899.0 902.2 904.4 911.9 913.8 916.0 916.0 DAY 14 17 27 9 8 6 16 27 25 12 28 28 MIN. QFE PRESSURE IN HPA 899.7 898.3 897.7 896.2 896.5 889.7 890.9 894.1 897.4 903.3 903.8 903.5 889.7 DAY 23 5 24 30 6 28 5 8 16 4 9 24 MEAN QNH PRESSURE IN HPA 1031.5 1028.7 1027.4 1029.1 1025.6 1020.1 1018.4 1020.8 1024.4 1031.3 1033.6 1034.0 1027.1 MAX. QNH PRESSURE IN HPA 1037.8 1037.1 1033.5 1036.6 1030.2 1027.0 1021.3 1024.9 1027.3 1035.6 1037.7 1040.2 1040.2 DAY 14 17 27 9 8 6 16 27 25 12 28 28 MIN. QNH PRESSURE IN HPA 1022.1 1020.5 1019.9 1018.2 1018.5 1011.0 1012.3 1015.9 1019.5 1026.1 1026.6 1026.3 1011.0 DAY 23 5 24 30 6 28 5 8 16 4 9 24 MEAN QFF PRESSURE IN HPA 1031.2 1027.8 1022.8 1022.3 1017.3 1009.3 1006.9 1010.2 1015.1 1024.4 1030.4 1032.3 1020.8 MAX. QFF PRESSURE IN HPA 1040.0 1039.5 1030.6 1033.9 1023.7 1017.0 1011.2 1014.9 1019.0 1031.5 1037.6 1042.1 1042.1 DAY 14 18 28 9 8 6 29 27 27 27 28 30 MIN. QFF PRESSURE IN HPA 1020.8 1017.4 1013.2 1009.3 1010.2 998.2 999.7 1004.6 1009.4 1017.1 1020.4 1022.6 998.2 DAY 20 5 24 30 6 28 5 8 6 5 9 24 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 2005 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 909.5 907.2 905.6 906.8 903.3 898.3 896.8 899.1 902.5 909.0 911.0 911.7 905.1 MAX. QFE PRESSURE IN HPA 915.4 915.5 910.6 913.5 907.6 904.1 899.9 902.5 905.2 912.7 914.6 917.4 917.4 DAY 13 15 27 9 8 6 19 27 25 24 27 28 MIN. QFE PRESSURE IN HPA 899.2 899.6 898.5 896.5 896.2 890.5 891.7 895.3 898.4 903.8 904.1 904.5 890.5 DAY 23 5 24 30 6 28 5 7 16 4 9 24 MEAN QNH PRESSURE IN HPA 1033.0 1030.4 1028.7 1029.9 1026.1 1020.5 1018.9 1021.4 1025.2 1032.4 1034.6 1035.4 1028.0 MAX. QNH PRESSURE IN HPA 1039.5 1039.6 1034.2 1037.4 1030.9 1027.0 1022.3 1025.2 1028.2 1036.5 1038.6 1041.7 1041.7 DAY 13 15 27 9 8 6 19 27 25 24 27 28 MIN. QNH PRESSURE IN HPA 1021.5 1022.0 1020.8 1018.5 1018.2 1011.9 1013.2 1017.2 1020.6 1026.6 1027.0 1027.4 1011.9 DAY 23 5 24 30 6 28 5 7 16 4 9 24 MEAN QFF PRESSURE IN HPA 1032.0 1028.9 1023.5 1022.5 1017.2 1009.3 1007.2 1010.3 1015.1 1024.6 1030.5 1033.0 1021.2 MAX. QFF PRESSURE IN HPA 1040.6 1040.6 1030.8 1034.2 1024.1 1016.8 1011.3 1014.3 1019.1 1031.0 1037.5 1042.7 1042.7 DAY 13 17 27 9 8 6 29 27 25 27 27 30 MIN. QFF PRESSURE IN HPA 1018.0 1018.8 1013.8 1009.0 1009.3 998.8 1000.4 1005.0 1010.2 1017.1 1020.0 1023.1 998.8 DAY 23 5 24 30 6 28 5 7 6 5 9 24 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 907.6 905.6 904.1 905.3 902.1 897.3 896.0 897.8 901.0 907.0 908.9 909.6 903.5 MAX. QFE PRESSURE IN HPA 913.6 913.8 908.7 912.8 906.1 903.2 899.1 901.2 904.4 910.8 913.2 915.1 915.1 DAY 8 15 27 9 8 6 19 27 25 12 27 28 MIN. QFE PRESSURE IN HPA 897.5 898.0 896.4 895.2 894.8 889.2 891.5 894.3 897.2 902.5 902.4 902.3 889.2 DAY 23 5 24 30 6 27 4 7 16 4 9 24 MEAN QNH PRESSURE IN HPA 1030.9 1028.6 1027.0 1028.4 1024.8 1019.4 1018.0 1020.0 1023.5 1030.2 1032.3 1033.1 1026.3 MAX. QNH PRESSURE IN HPA 1037.5 1037.7 1032.1 1036.6 1029.2 1026.0 1021.4 1023.7 1027.3 1034.4 1037.1 1039.2 1039.2 DAY 8 15 27 9 8 6 19 27 25 12 27 28 MIN. QNH PRESSURE IN HPA 1019.6 1020.2 1018.4 1017.1 1016.7 1010.4 1013.0 1016.1 1019.3 1025.2 1025.1 1025.0 1010.4 DAY 23 5 24 30 6 27 4 7 16 4 9 24 MEAN QFF PRESSURE IN HPA 1029.5 1026.7 1021.5 1020.7 1015.8 1008.2 1006.1 1008.7 1013.1 1022.2 1027.9 1030.1 1019.2 MAX. QFF PRESSURE IN HPA 1038.0 1037.9 1028.9 1033.4 1022.3 1015.6 1009.3 1012.7 1017.8 1028.1 1035.5 1040.5 1040.5 DAY 13 18 27 9 8 6 27 27 25 24 27 30 MIN. QFF PRESSURE IN HPA 1016.1 1016.8 1011.2 1007.5 1008.0 997.1 1000.1 1003.8 1008.3 1015.7 1018.3 1019.5 997.1 DAY 23 5 24 30 6 27 4 7 6 1 9 24 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 906.6 904.2 902.5 903.8 901.0 895.8 894.5 896.4 899.6 905.7 907.9 908.8 902.2 MAX. QFE PRESSURE IN HPA 912.6 912.1 906.4 910.8 904.4 901.6 897.2 899.9 902.6 910.0 912.4 914.3 914.3 DAY 13 15 27 9 23 6 19 27 26 24 27 30 MIN. QFE PRESSURE IN HPA 896.2 897.6 894.1 895.6 893.6 887.5 889.5 892.7 895.6 900.6 902.1 902.1 887.5 DAY 23 5 24 30 6 27 4 7 5 4 9 24 MEAN QNH PRESSURE IN HPA 1029.7 1027.1 1025.2 1026.6 1023.5 1017.7 1016.3 1018.5 1021.9 1028.8 1031.2 1032.2 1024.9 MAX. QNH PRESSURE IN HPA 1036.4 1035.8 1029.5 1034.4 1027.3 1024.2 1019.3 1022.3 1025.3 1033.5 1036.2 1038.3 1038.3 DAY 13 15 27 9 23 6 19 27 26 24 27 30 MIN. QNH PRESSURE IN HPA 1018.2 1019.8 1015.9 1017.5 1015.3 1008.6 1010.8 1014.3 1017.5 1023.1 1024.8 1024.8 1008.6 DAY 23 5 24 30 6 27 4 7 5 4 9 24 MEAN QFF PRESSURE IN HPA 1028.4 1025.2 1019.9 1019.2 1014.9 1006.6 1004.5 1007.3 1011.7 1020.9 1027.0 1029.3 1017.9 MAX. QFF PRESSURE IN HPA 1037.1 1036.4 1027.0 1030.8 1020.0 1014.5 1007.7 1011.6 1015.7 1027.7 1034.7 1040.0 1040.0 DAY 13 18 3 9 8 11 31 27 26 24 27 30 MIN. QFF PRESSURE IN HPA 1015.1 1014.7 1008.2 1008.3 1006.5 995.2 997.8 1002.6 1006.9 1013.7 1018.3 1019.4 995.2 DAY 23 5 24 27 6 27 4 6 5 4 9 24 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MEANS AND EXTREMES FOR THE YEAR 2005 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 907.5 905.0 903.3 904.2 901.0 895.6 894.4 896.6 900.1 906.5 908.9 909.9 902.7 MAX. QFE PRESSURE IN HPA 914.1 912.4 907.4 910.8 904.5 901.1 896.9 899.9 903.1 910.5 913.5 915.1 915.1 DAY 13 15 27 9 23 5 19 27 25 24 27 29 MIN. QFE PRESSURE IN HPA 898.3 898.5 894.8 895.1 894.0 887.2 888.7 892.6 896.0 900.7 903.4 903.8 887.2 DAY 23 5 24 30 6 27 4 7 5 4 8 24 MEAN QNH PRESSURE IN HPA 1030.8 1028.0 1026.0 1027.0 1023.6 1017.6 1016.2 1018.7 1022.5 1029.7 1032.3 1033.4 1025.5 MAX. QNH PRESSURE IN HPA 1038.1 1036.2 1030.6 1034.4 1027.4 1023.6 1019.0 1022.3 1025.9 1034.1 1037.4 1039.2 1039.2 DAY 13 15 27 9 23 5 19 27 25 24 27 29 MIN. QNH PRESSURE IN HPA 1020.5 1020.8 1016.7 1017.0 1015.8 1008.2 1009.9 1014.2 1018.0 1023.2 1026.2 1026.6 1008.2 DAY 23 5 24 30 6 27 4 7 5 4 8 24 MEAN QFF PRESSURE IN HPA 1030.3 1027.0 1021.3 1020.2 1015.2 1006.8 1004.6 1008.0 1013.2 1022.8 1029.1 1031.7 1019.2 MAX. QFF PRESSURE IN HPA 1039.4 1037.9 1028.5 1031.6 1020.6 1016.3 1008.1 1012.1 1017.7 1029.5 1037.3 1041.3 1041.3 DAY 13 18 27 9 23 11 28 27 25 26 27 30 MIN. QFF PRESSURE IN HPA 1018.1 1017.7 1010.1 1008.5 1007.4 995.3 997.1 1003.0 1007.9 1014.7 1020.2 1021.9 995.3 DAY 23 5 24 30 6 27 4 7 5 4 6 24 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 908.3 906.0 904.4 905.3 902.1 896.5 895.3 897.6 901.1 907.5 909.6 910.5 903.7 MAX. QFE PRESSURE IN HPA 915.0 912.9 909.0 911.5 906.5 901.8 898.0 900.5 903.7 911.4 913.9 915.7 915.7 DAY 13 17 27 9 23 5 15 26 24 26 27 29 MIN. QFE PRESSURE IN HPA 899.5 900.4 896.7 896.4 894.9 888.1 889.9 893.1 897.4 901.9 903.4 904.8 888.1 DAY 23 5 24 30 6 27 4 7 5 4 8 24 MEAN QNH PRESSURE IN HPA 1031.6 1029.1 1027.3 1028.3 1024.8 1018.6 1017.2 1019.8 1023.7 1030.8 1033.0 1034.1 1026.5 MAX. QNH PRESSURE IN HPA 1039.1 1036.7 1032.4 1035.2 1029.6 1024.4 1020.2 1023.0 1026.5 1035.1 1037.8 1039.8 1039.8 DAY 13 17 27 9 23 5 15 26 24 26 27 29 MIN. QNH PRESSURE IN HPA 1021.9 1022.9 1018.8 1018.4 1016.8 1009.2 1011.2 1014.8 1019.5 1024.5 1026.2 1027.7 1009.2 DAY 23 5 24 30 6 27 4 7 5 4 8 24 MEAN QFF PRESSURE IN HPA 1030.5 1027.6 1021.9 1020.8 1015.8 1007.3 1005.4 1008.5 1013.6 1023.0 1029.0 1031.6 1019.6 MAX. QFF PRESSURE IN HPA 1040.6 1038.6 1030.1 1032.2 1021.6 1014.5 1009.2 1013.2 1017.6 1030.1 1036.9 1040.7 1040.7 DAY 13 18 27 9 8 11 28 17 24 26 27 29 MIN. QFF PRESSURE IN HPA 1017.5 1019.3 1011.7 1009.3 1008.0 995.5 997.9 1003.1 1009.1 1014.9 1019.8 1022.1 995.5 DAY 23 5 24 30 6 27 4 7 5 4 8 24 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 907.8 905.6 904.1 904.9 901.6 896.4 895.2 897.5 900.8 907.2 909.1 909.9 903.3 MAX. QFE PRESSURE IN HPA 914.3 912.5 908.9 911.0 904.6 901.6 897.8 900.3 903.3 911.1 913.7 915.5 915.5 DAY 13 17 27 8 8 5 15 26 24 26 26 29 MIN. QFE PRESSURE IN HPA 899.9 900.1 897.3 895.9 894.5 887.6 889.3 893.1 897.3 901.4 902.7 903.5 887.6 DAY 23 4 24 29 6 27 4 7 5 4 8 25 MEAN QNH PRESSURE IN HPA 1031.1 1028.7 1027.0 1027.8 1024.2 1018.4 1017.1 1019.6 1023.3 1030.4 1032.5 1033.4 1026.1 MAX. QNH PRESSURE IN HPA 1038.3 1036.3 1032.3 1034.6 1027.5 1024.2 1020.0 1022.8 1026.1 1034.7 1037.6 1039.6 1039.6 DAY 13 17 27 8 8 5 15 26 24 26 26 29 MIN. QNH PRESSURE IN HPA 1022.3 1022.5 1019.4 1017.9 1016.3 1008.7 1010.6 1014.8 1019.4 1024.0 1025.4 1026.3 1008.7 DAY 23 4 24 29 6 27 4 7 5 4 8 25 MEAN QFF PRESSURE IN HPA 1029.6 1026.8 1021.4 1020.1 1015.1 1007.2 1005.2 1008.3 1013.0 1022.4 1028.1 1030.4 1019.0 MAX. QFF PRESSURE IN HPA 1039.4 1038.1 1029.4 1031.4 1021.0 1013.6 1008.7 1012.7 1016.7 1029.4 1036.1 1040.4 1040.4 DAY 13 17 27 8 8 5 27 17 24 26 26 29 MIN. QFF PRESSURE IN HPA 1018.3 1019.1 1012.6 1008.2 1007.5 995.0 997.3 1002.6 1008.4 1014.2 1018.4 1021.1 995.0 DAY 23 5 24 29 6 27 4 7 5 4 8 25 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M CLIMATOLOGICAL NORMALS FOR THE PERIOD 1956-2005 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 10.4 13.3 18.3 23.8 29.1 33.4 34.0 32.4 29.2 23.8 17.1 12.1 23.1 MINIMUN AIR TEMPERATURE (C) 4.9 7.4 12.0 17.2 22.1 26.3 27.4 25.6 22.2 17.2 11.1 6.4 16.6 DAYS WITH MINIMUM TEMP. >=21 0.0 0.0 0.4 6.1 21.2 29.6 30.9 30.2 21.7 4.4 0.0 0.0 144.5 DAYS WITH MINIMUM TEMP. <=-4 0.4 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 0.8 DAYS WITH FREEZING MIN.<= 0 4.3 1.7 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 2.2 8.5 TEMPERATURE RECORDS LOWEST(C) -9.0 -5.0 -3.0 4.0 9.5 18.0 19.0 15.0 11.0 6.0 -2.0 -7.0 -9.0 YEAR-DAY 73- 5 72- 5 60-21 67- 2 89- 2 69- 3 57- 9 57-23 62-28 61-29 57-25 72-26 73- 5 MAXIMUM AIR TEMPERATURE (C) 16.6 19.5 24.4 30.0 35.1 39.1 39.4 38.0 35.4 30.5 23.7 18.5 29.2 DAYS WITH MAXIMUM TEMP. >=30 0.0 0.2 4.3 16.8 28.2 29.9 31.0 31.0 28.6 19.1 2.1 0.2 191.4 DAYS WITH MAXIMUM TEMP. <= 0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 TEMPERATURE RECORDS HIGHEST(C) 30.0 31.8 36.0 39.6 44.0 47.6 46.6 47.0 43.6 40.0 34.0 32.0 47.6 YEAR-DAY 66-31 4-15 68-15 2-29 70-31 5-26 98- 9 70- 7 83- 8 80- 5 3- 1 78- 9 5-26 DIF. BETWEEN (MAX.-MIN.) (C) 11.7 12.1 12.4 12.8 13.0 12.8 12.0 12.4 13.2 13.3 12.6 12.1 12.6 MEAN DAILY TEMP. (MDT) (C) 10.7 13.4 18.2 23.6 28.6 32.7 33.4 31.8 28.8 23.9 17.4 12.5 22.9 STANDARD DEVIATION OF MDT(C) 1.97 2.11 1.85 1.81 1.68 1.33 1.30 1.46 1.57 1.61 1.79 2.09 1.71 COOLING DEG. DAYS(BASE 21 0C) 0.1 1.0 18.4 96.8 231.0 350.3 383.9 335.3 233.9 101.9 8.9 0.6 1762.1 HEATING DEG. DAYS(BASE 18 0C) 227.3 137.7 50.9 5.4 0.1 0.0 0.0 0.0 0.0 2.6 55.7 176.7 656.4 DEWPOINT (MEAN C) -1.5 -0.8 1.7 4.4 6.2 6.9 7.9 6.7 4.5 2.9 0.3 -1.4 3.1 MIXING RATIO (G/KG) 4.04 4.31 5.20 6.26 7.16 7.58 8.12 7.53 6.39 5.60 4.67 4.07 5.91 VAPOUR PRESSURE (HPA) 5.78 6.15 7.40 8.87 10.12 10.65 11.38 10.59 9.05 7.99 6.69 5.83 8.37 SATURATION DEF. (HPA) 7.81 10.33 15.06 22.53 32.15 42.97 43.75 40.00 33.53 23.42 14.20 9.40 24.59 RELATIVE HUMIDITY (MEAN %) 47 41 37 32 26 21 22 22 23 27 35 42 31 RELATIVE HUMIDITY (MAX. %) 63 58 52 46 36 29 30 30 30 37 47 57 43 RELATIVE HUMIDITY (MIN. %) 32 28 25 22 19 16 16 16 16 19 25 30 22 RELATIVE HUMIDITY (MEAN% 03UTC) 57 52 47 41 33 26 27 26 27 33 41 50 38 RELATIVE HUMIDITY (MEAN% 09UTC) 35 31 27 24 20 17 18 18 18 21 26 32 24 RELATIVE HUMIDITY (MEAN% 15UTC) 46 39 34 29 24 19 19 20 22 28 37 44 30 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 12.3 9.6 12.8 10.3 6.0 0.5 1.0 0.6 0.2 1.0 2.4 4.6 61.3 DAYS WITH PRECIPITATION >=10 0.3 0.3 0.3 0.2 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.1 1.4 DAYS WITH PRECIPITATION >= 5 0.7 0.7 0.9 0.7 0.4 0.0 0.1 0.0 0.0 0.0 0.1 0.3 3.9 DAYS WITH PRECIPITATION >= 1 2.1 1.9 2.8 2.4 1.2 0.2 0.2 0.1 0.1 0.4 0.6 1.2 13.2 DAYS WITH PRECIPITATION 3.4 3.4 4.2 3.8 2.1 0.4 0.4 0.1 0.1 0.8 1.2 1.8 21.7 GREATEST DAILY PRECIPITATION 41.0 27.0 26.0 24.0 15.0 6.0 11.0 29.0 5.0 6.0 16.0 15.0 41.0 YEAR-DAY 91-26 64-15 91-16 77-12 81- 2 73-12 73-17 70-24 70-13 81-23 86-25 86- 6 91 DAY WITH THUNDER STORM 0.1 0.1 0.3 0.8 0.6 0.2 0.1 0.0 0.1 0.4 0.2 0.0 2.9 DAYS WITH SNOW OR SLEET 0.4 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 0.7 DAYS WITH DUST 1.6 2.0 3.7 2.9 4.3 3.8 6.0 4.0 1.8 1.0 0.9 1.1 33.1 WIND DIRECTION (PREVAILING) 270 270 270 270 270 360 360 360 270 270 270 270 270 PREVAILING WIND SPEED(KNOTS) 8.0 8.8 9.1 9.0 8.8 9.2 10.4 10.0 8.7 8.6 7.8 7.6 8.5 PREVAILING WIND PERCENT 19.5 19.8 22.7 24.2 22.0 21.2 27.7 26.5 20.6 21.6 21.2 18.9 20.3 CALMS PERCENT OF WIND 39.9 35.8 32.2 27.6 25.3 23.2 21.7 21.3 25.3 29.4 35.7 41.6 29.9 NO. OF WIND OBSERVATION 215.2 196.6 215.5 208.6 212.5 206.7 214.1 214.5 206.9 212.5 205.2 213.2 2521.5 VECTOR WIND DIRECTION (MEAN) 312 310 299 303 321 334 342 341 332 323 319 316 324 VECTOR WIND MAGNITUDE(KNOTS) 1.9 2.2 2.7 3.0 3.4 3.9 5.0 4.8 4.1 3.2 2.4 2.0 3.1 WIND STEADINESES (MEAN %) 43.2 43.1 47.4 50.0 54.8 60.0 71.4 70.6 65.1 58.2 52.2 48.8 54.4 WIND SPEED (MEAN KNOTS) 4.4 5.1 5.7 6.0 6.2 6.5 7.0 6.8 6.3 5.5 4.6 4.1 5.7 FASTEST WIND DIRECTION 230 240 270 330 230 270 90 20 300 360 270 240 230 FASTEST WIND SPEED (KNOTS) 74 70 49 39 47 39 40 37 38 31 39 39 74 YEAR-DAY 88-19 80-25 88- 9 95-29 5- 6 95-22 77- 2 4-17 56-14 5-23 94-26 85-19 88 DAYS WITH SKY CLEAR (0-2)/8 19.2 16.8 15.6 15.4 22.6 27.2 27.0 28.3 28.5 28.5 22.9 20.1 272.1 DAYS WITH P.CLOUDY (3-6)/8 8.5 8.9 11.5 12.2 7.8 2.7 3.8 2.7 1.5 2.5 6.0 7.9 76.0 DAYS WITH CLOUDY (7-8)/8 3.3 2.5 3.9 2.3 0.6 0.1 0.2 0.0 0.0 0.0 1.0 2.9 16.8 DAYS WITH VISIBILITY =< 2 KM 0.3 0.2 0.5 0.4 0.6 0.3 0.3 0.2 0.1 0.0 0.1 0.2 3.2 DURATION OF SUNSHINE HOURS 233.6 224.5 236.7 257.8 311.3 334.6 337.2 337.9 308.1 297.7 261.5 240.7 3381.6 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M CLIMATOLOGICAL NORMALS FOR THE PERIOD 1956-2005 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 896.8 895.2 893.7 892.4 890.8 886.8 884.9 887.2 891.6 896.4 898.4 898.2 892.7 MAX. QFE PRESSURE IN HPA 915.4 915.5 910.6 913.5 907.6 904.1 899.9 903.5 908.0 912.7 916.2 921.3 921.3 YEAR-DAY 5-13 5-15 5-27 5- 9 5- 8 5- 6 5-19 57-31 57-10 5-24 4-29 4- 4 4- 4 MIN. QFE PRESSURE IN HPA 881.0 882.0 879.6 879.2 879.8 874.1 875.2 877.5 880.7 886.5 884.3 884.0 874.1 YEAR-DAY 98-13 85-16 67-24 2- 4 61-30 78-22 58- 9 82- 1 0- 2 75- 3 75-29 86-20 78-22 MEAN QNH PRESSURE IN HPA 1018.9 1017.1 1015.4 1014.0 1012.2 1007.7 1005.7 1008.2 1013.1 1018.4 1020.6 1020.4 1014.3 MAX. QNH PRESSURE IN HPA 1039.5 1039.6 1034.2 1037.4 1030.9 1027.0 1022.3 1026.3 1031.3 1036.5 1040.4 1046.0 1046.0 YEAR-DAY 5-13 5-15 5-27 5- 9 5- 8 5- 6 5-19 57-31 57-10 5-24 4-29 4- 4 4- 4 MIN. QNH PRESSURE IN HPA 1001.3 1002.5 999.8 999.3 1000.0 993.7 994.9 997.5 1001.0 1007.4 1005.0 1004.7 993.7 YEAR-DAY 98-13 85-16 67-24 2- 4 61-30 78-22 58- 9 82- 1 0- 2 75- 3 75-29 86-20 78-22 MEAN QFF PRESSURE IN HPA 1017.7 1014.8 1010.8 1007.3 1003.4 997.0 994.7 998.1 1003.8 1011.7 1016.8 1018.9 1007.9 MAX. QFF PRESSURE IN HPA 1040.6 1040.6 1030.8 1034.2 1024.1 1017.0 1011.3 1018.1 1023.8 1031.5 1038.6 1045.6 1045.6 YEAR-DAY 5-13 5-17 3- 3 5- 9 5- 8 5- 6 5-29 57-25 57-10 5-27 4-29 4- 4 4- 4 MIN. QFF PRESSURE IN HPA 1000.2 996.9 993.7 991.9 989.0 983.6 983.1 986.2 990.5 998.1 1002.0 1000.2 983.1 YEAR-DAY 98-13 85-16 66-20 60-28 1-25 92-27 58- 9 94- 3 0- 2 98- 2 94-26 86-20 58- 9 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 896.5 894.8 893.2 892.2 890.8 886.7 884.9 887.4 891.2 896.2 898.2 898.0 892.5 MAX. QFE PRESSURE IN HPA 913.5 912.1 908.4 911.2 904.7 902.4 898.0 901.7 906.7 910.8 914.2 918.9 918.9 YEAR-DAY 5-14 5-15 5-28 5- 9 5- 8 5- 6 5-19 57-30 57-10 5-12 4-29 4- 4 4- 4 MIN. QFE PRESSURE IN HPA 884.2 882.0 880.1 881.3 880.6 878.2 876.5 879.5 881.6 888.9 887.2 886.8 876.5 YEAR-DAY 91-26 85-17 88-24 2- 4 1-26 92-28 95-17 94- 2 0- 1 96- 6 95-26 67-24 95-17 MEAN QNH PRESSURE IN HPA 1018.6 1016.7 1014.9 1013.8 1012.2 1007.7 1005.7 1008.4 1012.7 1018.2 1020.5 1020.3 1014.1 MAX. QNH PRESSURE IN HPA 1037.4 1035.8 1031.7 1034.8 1027.6 1025.1 1020.2 1024.3 1029.9 1034.4 1038.2 1043.4 1043.4 YEAR-DAY 5-14 5-15 5-28 5- 9 5- 8 5- 6 5-19 57-30 57-10 5-12 4-29 4- 4 4- 4 MIN. QNH PRESSURE IN HPA 1004.9 1002.5 1000.3 1001.7 1000.9 998.2 996.3 999.7 1002.0 1010.1 1008.2 1007.8 996.3 YEAR-DAY 91-26 85-17 88-24 2- 4 1-26 92-28 95-17 94- 2 0- 1 96- 6 95-26 67-24 95-17 MEAN QFF PRESSURE IN HPA 1017.1 1014.1 1010.2 1006.9 1003.2 996.9 994.5 997.8 1003.4 1011.2 1016.2 1018.2 1007.5 MAX. QFF PRESSURE IN HPA 1038.8 1037.0 1028.6 1031.4 1021.0 1015.0 1009.7 1016.8 1022.6 1029.5 1035.7 1042.9 1042.9 YEAR-DAY 5-14 5-18 5-28 5- 9 5- 8 5- 6 5-30 57-23 57-10 5-25 5-28 4- 4 4- 4 MIN. QFF PRESSURE IN HPA 1000.7 996.9 994.7 992.5 990.0 985.7 983.4 987.5 990.6 1000.0 1002.0 1003.3 983.4 YEAR-DAY 91-26 85-17 88-24 2- 4 1-26 86-21 95-17 94- 4 0- 3 98- 2 94-26 90-26 95-17 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 897.1 895.6 894.2 893.1 891.6 887.6 885.7 887.9 892.3 897.0 899.0 898.6 893.3 MAX. QFE PRESSURE IN HPA 913.9 913.2 910.0 912.8 907.0 904.1 899.0 902.9 907.5 911.9 915.4 920.0 920.0 YEAR-DAY 5-14 5-17 5-27 5- 9 5- 8 5- 6 5-16 57-31 57-10 5-12 4-29 4- 4 4- 4 MIN. QFE PRESSURE IN HPA 881.1 883.0 882.0 881.7 882.1 876.9 877.0 878.9 883.1 888.6 887.6 887.3 876.9 YEAR-DAY 74-25 85-17 88-24 2- 4 61-30 73-16 58-10 82- 1 0- 2 75- 4 95-26 2-25 73-16 MEAN QNH PRESSURE IN HPA 1019.2 1017.6 1016.0 1014.8 1013.1 1008.7 1006.6 1009.0 1013.8 1019.1 1021.3 1020.9 1015.0 MAX. QNH PRESSURE IN HPA 1037.8 1037.1 1033.5 1036.6 1030.2 1027.0 1021.3 1025.6 1030.7 1035.6 1039.5 1044.6 1044.6 YEAR-DAY 5-14 5-17 5-27 5- 9 5- 8 5- 6 5-16 57-31 57-10 5-12 4-29 4- 4 4- 4 MIN. QNH PRESSURE IN HPA 1001.5 1003.6 1002.5 1002.1 1002.6 996.8 996.9 999.0 1003.7 1009.8 1008.7 1008.3 996.8 YEAR-DAY 74-25 85-17 88-24 2- 4 61-30 73-16 58-10 82- 1 0- 2 75- 4 95-26 2-25 73-16 MEAN QFF PRESSURE IN HPA 1019.1 1016.1 1012.2 1008.6 1004.7 998.4 995.9 999.2 1005.6 1013.3 1018.5 1020.2 1009.3 MAX. QFF PRESSURE IN HPA 1040.0 1039.5 1030.7 1033.9 1023.7 1017.0 1011.2 1018.1 1023.5 1031.5 1037.6 1045.1 1045.1 YEAR-DAY 5-14 5-18 3- 3 5- 9 5- 8 5- 6 5-29 57-25 57-10 5-27 5-28 4- 4 4- 4 MIN. QFF PRESSURE IN HPA 999.8 1000.0 997.8 993.5 992.8 984.8 985.9 987.3 993.3 1001.5 1003.1 1004.1 984.8 YEAR-DAY 74-25 85-17 1-26 2- 4 1-26 73-16 98- 8 82- 1 0- 2 70- 9 94-26 94- 4 73-16 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M CLIMATOLOGICAL NORMALS FOR THE PERIOD 1956-2005 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 898.4 896.8 895.3 894.0 892.3 888.1 886.2 888.5 893.0 897.9 900.0 899.8 894.2 MAX. QFE PRESSURE IN HPA 915.4 915.5 910.6 913.5 907.6 904.1 899.9 903.5 908.0 912.7 916.2 921.3 921.3 YEAR-DAY 5-13 5-15 5-27 5- 9 5- 8 5- 6 5-19 57-31 57-10 5-24 4-29 4- 4 4- 4 MIN. QFE PRESSURE IN HPA 885.5 885.5 884.2 881.5 882.0 877.7 877.0 879.8 883.9 889.3 888.0 888.1 877.0 YEAR-DAY 69-25 98-13 67-24 2- 4 61-30 73-16 58-10 82- 1 0- 1 75- 3 76-29 71-20 58-10 MEAN QNH PRESSURE IN HPA 1020.6 1018.8 1017.2 1015.8 1013.9 1009.2 1007.1 1009.6 1014.6 1020.1 1022.4 1022.1 1016.0 MAX. QNH PRESSURE IN HPA 1039.5 1039.6 1034.2 1037.4 1030.9 1027.0 1022.3 1026.3 1031.3 1036.5 1040.4 1046.0 1046.0 YEAR-DAY 5-13 5-15 5-27 5- 9 5- 8 5- 6 5-19 57-31 57-10 5-24 4-29 4- 4 4- 4 MIN. QNH PRESSURE IN HPA 1006.3 1006.3 1004.9 1001.9 1002.5 997.7 996.9 1000.0 1004.6 1010.6 1009.1 1009.2 996.9 YEAR-DAY 69-25 98-13 67-24 2- 4 61-30 73-16 58-10 82- 1 0- 1 75- 3 76-29 71-20 58-10 MEAN QFF PRESSURE IN HPA 1019.6 1016.7 1012.6 1009.0 1005.0 998.5 996.1 999.4 1005.1 1013.3 1018.6 1020.7 1009.6 MAX. QFF PRESSURE IN HPA 1040.6 1040.6 1030.8 1034.2 1024.1 1016.8 1011.3 1017.6 1023.8 1031.0 1038.6 1045.6 1045.6 YEAR-DAY 5-13 5-17 3- 3 5- 9 5- 8 5- 6 5-29 57-22 57-10 5-27 4-29 4- 4 4- 4 MIN. QFF PRESSURE IN HPA 1001.6 1001.7 998.7 994.0 992.7 986.8 984.1 989.0 993.6 1002.2 1004.3 1004.8 984.1 YEAR-DAY 69-25 89-23 1-26 2- 4 61-30 92-27 58-10 59- 3 61-11 87- 9 95-26 2-22 58-10 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 896.7 895.4 894.0 892.8 891.2 887.2 885.3 887.5 891.8 896.3 898.2 898.0 892.9 MAX. QFE PRESSURE IN HPA 913.6 913.8 908.7 912.8 906.1 903.2 899.1 902.5 907.4 910.8 913.4 918.3 918.3 YEAR-DAY 5- 8 5-15 5-27 5- 9 5- 8 5- 6 5-19 57-31 57- 9 5-12 4-29 4- 4 4- 4 MIN. QFE PRESSURE IN HPA 882.6 882.3 882.5 879.2 881.3 877.7 876.4 878.7 881.9 888.3 885.2 886.6 876.4 YEAR-DAY 64-19 68- 3 1-26 2- 4 61-30 73-16 58-10 82- 1 0- 2 59-30 76-29 2-22 58-10 MEAN QNH PRESSURE IN HPA 1018.8 1017.4 1015.8 1014.4 1012.7 1008.3 1006.1 1008.5 1013.3 1018.3 1020.5 1020.2 1014.5 MAX. QNH PRESSURE IN HPA 1037.5 1037.7 1032.1 1036.6 1029.2 1026.0 1021.4 1025.2 1030.6 1034.4 1037.3 1042.7 1042.7 YEAR-DAY 5- 8 5-15 5-27 5- 9 5- 8 5- 6 5-19 57-31 57- 9 5-12 4-29 4- 4 4- 4 MIN. QNH PRESSURE IN HPA 1003.1 1002.8 1003.0 999.3 1001.7 997.7 996.2 998.8 1002.3 1009.4 1006.0 1007.6 996.2 YEAR-DAY 64-19 68- 3 1-26 2- 4 61-30 73-16 58-10 82- 1 0- 2 59-30 76-29 2-22 58-10 MEAN QFF PRESSURE IN HPA 1017.0 1014.5 1010.8 1007.4 1003.6 997.3 994.9 998.1 1003.5 1011.1 1016.0 1018.1 1007.7 MAX. QFF PRESSURE IN HPA 1038.0 1037.9 1028.9 1033.4 1022.3 1015.6 1009.3 1016.1 1022.6 1028.1 1035.5 1042.1 1042.1 YEAR-DAY 5-13 5-18 5-27 5- 9 5- 8 5- 6 5-27 57-27 57- 9 5-24 5-27 4- 4 4- 4 MIN. QFF PRESSURE IN HPA 1001.9 999.3 995.8 992.7 991.2 984.3 983.7 988.0 991.3 1000.4 1003.7 1001.4 983.7 YEAR-DAY 97-17 85-16 1-26 2- 4 61-30 94-30 58-10 59- 3 0- 2 87- 9 92-26 94- 4 58-10 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 895.6 893.9 892.3 891.0 889.6 885.8 883.9 886.1 890.4 895.0 897.1 896.9 891.5 MAX. QFE PRESSURE IN HPA 912.6 912.1 906.4 910.8 904.4 901.6 897.2 901.1 906.3 910.0 912.4 917.0 917.0 YEAR-DAY 5-13 5-15 5-27 5- 9 5-23 5- 6 5-19 57-31 57- 9 5-24 4-29 4- 4 4- 4 MIN. QFE PRESSURE IN HPA 881.0 882.3 879.7 881.0 879.8 874.1 875.2 877.5 881.0 886.7 884.3 885.5 874.1 YEAR-DAY 98-13 98-13 67-24 63-15 61-30 78-22 58-10 82- 1 0- 1 59-30 75-29 67-23 78-22 MEAN QNH PRESSURE IN HPA 1017.5 1015.7 1013.9 1012.5 1010.9 1006.6 1004.6 1007.0 1011.8 1016.9 1019.2 1019.0 1013.0 MAX. QNH PRESSURE IN HPA 1036.4 1035.8 1029.5 1034.4 1027.3 1024.2 1019.3 1023.6 1029.4 1033.5 1036.2 1041.3 1041.3 YEAR-DAY 5-13 5-15 5-27 5- 9 5-23 5- 6 5-19 57-31 57- 9 5-24 4-29 4- 4 4- 4 MIN. QNH PRESSURE IN HPA 1001.3 1002.8 999.9 1001.3 1000.0 993.7 994.9 997.5 1001.3 1007.7 1005.0 1006.3 993.7 YEAR-DAY 98-13 98-13 67-24 63-15 61-30 78-22 58-10 82- 1 0- 1 59-30 75-29 67-23 78-22 MEAN QFF PRESSURE IN HPA 1016.0 1013.1 1009.1 1005.7 1002.0 995.9 993.5 996.7 1002.3 1010.1 1015.1 1017.2 1006.4 MAX. QFF PRESSURE IN HPA 1037.1 1036.4 1027.0 1030.8 1020.0 1014.5 1007.7 1015.5 1021.8 1027.7 1034.7 1040.8 1040.8 YEAR-DAY 5-13 5-18 5- 3 5- 9 5- 8 5-11 5-31 57-27 57- 9 5-24 5-27 4- 4 4- 4 MIN. QFF PRESSURE IN HPA 1000.2 998.0 993.7 994.0 989.5 983.6 983.1 986.2 990.6 998.1 1002.3 1001.2 983.1 YEAR-DAY 98-13 85-26 66-20 90-16 1-26 92-27 58-10 94- 3 96-20 98- 2 86- 7 94- 4 58-10 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M CLIMATOLOGICAL NORMALS FOR THE PERIOD 1956-2005 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 896.3 894.6 892.8 891.3 889.6 885.5 883.8 886.2 890.7 895.6 897.8 897.7 891.8 MAX. QFE PRESSURE IN HPA 914.1 912.4 907.4 910.8 904.5 901.1 896.9 901.3 906.8 910.5 913.6 918.7 918.7 YEAR-DAY 5-13 5-15 5-27 5- 9 5-23 5- 5 5-19 57-29 57- 9 5-24 4-29 4- 3 4- 3 MIN. QFE PRESSURE IN HPA 881.1 882.0 879.6 882.2 879.8 874.1 875.2 877.6 880.7 886.5 885.6 886.3 874.1 YEAR-DAY 64-19 85-16 67-24 64- 9 78-30 78-22 58- 9 82- 1 0- 2 75- 3 76-29 71-20 78-22 MEAN QNH PRESSURE IN HPA 1018.4 1016.4 1014.4 1012.8 1010.9 1006.4 1004.5 1007.1 1012.1 1017.6 1020.0 1019.9 1013.4 MAX. QNH PRESSURE IN HPA 1038.1 1036.2 1030.6 1034.4 1027.4 1023.6 1019.0 1023.9 1030.0 1034.1 1037.5 1043.2 1043.2 YEAR-DAY 5-13 5-15 5-27 5- 9 5-23 5- 5 5-19 57-29 57- 9 5-24 4-29 4- 3 4- 3 MIN. QNH PRESSURE IN HPA 1001.5 1002.5 999.8 1002.7 1000.0 993.7 994.9 997.6 1001.0 1007.4 1006.4 1007.2 993.7 YEAR-DAY 64-19 85-16 67-24 64- 9 78-30 78-22 58- 9 82- 1 0- 2 75- 3 76-29 71-20 78-22 MEAN QFF PRESSURE IN HPA 1018.2 1014.8 1010.6 1006.5 1002.4 996.0 993.7 997.1 1003.8 1011.7 1017.1 1019.1 1007.6 MAX. QFF PRESSURE IN HPA 1039.4 1037.9 1028.5 1031.6 1020.6 1016.3 1008.1 1015.6 1022.5 1029.5 1037.3 1042.9 1042.9 YEAR-DAY 5-13 5-18 5-27 5- 9 5-23 5-11 5-28 57-25 57- 9 5-26 5-27 4- 4 4- 4 MIN. QFF PRESSURE IN HPA 999.3 997.4 994.9 995.4 989.3 982.3 983.6 985.7 990.5 999.6 1002.4 1003.2 982.3 YEAR-DAY 64-19 85-26 66-20 90-16 1-25 78-22 58- 9 82- 1 0- 2 75- 3 75-29 94- 4 78-22 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 897.2 895.5 893.9 892.7 891.0 886.6 885.0 887.7 891.7 896.8 898.8 898.7 893.0 MAX. QFE PRESSURE IN HPA 915.0 912.9 909.0 911.5 906.5 901.8 898.0 902.0 907.5 911.4 913.9 920.0 920.0 YEAR-DAY 5-13 5-17 5-27 5- 9 5-23 5- 5 5-15 57-31 57- 9 5-26 5-27 4- 3 4- 3 MIN. QFE PRESSURE IN HPA 884.9 882.3 881.5 883.2 880.5 878.2 876.0 879.1 881.9 888.6 889.0 884.0 876.0 YEAR-DAY 98-13 85-16 67-24 4-17 1-25 92-27 58- 9 59- 2 59-24 59-30 86- 7 86-20 58- 9 MEAN QNH PRESSURE IN HPA 1019.3 1017.5 1015.6 1014.4 1012.4 1007.6 1005.8 1008.8 1013.2 1018.9 1021.1 1021.0 1014.6 MAX. QNH PRESSURE IN HPA 1039.1 1036.7 1032.4 1035.2 1029.6 1024.4 1020.2 1024.6 1030.7 1035.1 1037.8 1044.6 1044.6 YEAR-DAY 5-13 5-17 5-27 5- 9 5-23 5- 5 5-15 57-31 57- 9 5-26 5-27 4- 3 4- 3 MIN. QNH PRESSURE IN HPA 1005.7 1002.8 1001.9 1003.8 1000.8 998.2 995.8 999.2 1002.3 1009.8 1010.2 1004.7 995.8 YEAR-DAY 98-13 85-16 67-24 4-17 1-25 92-27 58- 9 59- 2 59-24 59-30 86- 7 86-20 58- 9 MEAN QFF PRESSURE IN HPA 1018.2 1015.2 1011.0 1007.3 1003.2 996.6 994.6 998.1 1003.9 1011.9 1017.1 1019.4 1008.0 MAX. QFF PRESSURE IN HPA 1040.6 1038.6 1030.1 1032.2 1021.6 1014.5 1009.2 1016.1 1023.0 1030.1 1036.9 1043.5 1043.5 YEAR-DAY 5-13 5-18 5-27 5- 9 5- 8 5-11 5-28 57-22 57- 9 5-26 5-27 4- 3 4- 3 MIN. QFF PRESSURE IN HPA 1002.9 997.6 996.1 994.6 989.2 985.6 983.1 987.4 992.2 1000.4 1004.7 1000.2 983.1 YEAR-DAY 97-17 85-16 67-23 4-17 1-25 94-29 58- 9 59- 3 0- 1 98- 2 86- 7 86-20 58- 9 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 896.8 895.3 893.7 892.5 890.9 886.5 885.0 887.6 891.5 896.6 898.5 898.3 892.8 MAX. QFE PRESSURE IN HPA 914.3 912.5 908.9 911.0 904.6 901.6 897.8 902.2 907.1 911.1 913.7 919.2 919.2 YEAR-DAY 5-13 5-17 5-27 5- 8 5- 8 5- 5 5-15 57-31 57- 9 5-26 5-26 4- 3 4- 3 MIN. QFE PRESSURE IN HPA 884.1 882.5 881.4 880.5 880.6 878.1 876.4 879.4 881.7 888.9 888.3 886.0 876.4 YEAR-DAY 97-17 85-16 67-23 60-28 1-25 92-27 58- 9 59- 2 0- 2 96- 5 95-25 86-20 58- 9 MEAN QNH PRESSURE IN HPA 1018.9 1017.2 1015.4 1014.1 1012.3 1007.5 1005.8 1008.7 1013.0 1018.6 1020.8 1020.6 1014.4 MAX. QNH PRESSURE IN HPA 1038.3 1036.3 1032.3 1034.6 1027.5 1024.2 1020.0 1024.9 1030.3 1034.7 1037.6 1043.7 1043.7 YEAR-DAY 5-13 5-17 5-27 5- 8 5- 8 5- 5 5-15 57-31 57- 9 5-26 5-26 4- 3 4- 3 MIN. QNH PRESSURE IN HPA 1004.8 1003.0 1001.8 1000.8 1000.9 998.1 996.2 999.6 1002.1 1010.1 1009.4 1006.9 996.2 YEAR-DAY 97-17 85-16 67-23 60-28 1-25 92-27 58- 9 59- 2 0- 2 96- 5 95-25 86-20 58- 9 MEAN QFF PRESSURE IN HPA 1017.1 1014.3 1010.5 1006.9 1003.0 996.5 994.5 997.9 1003.5 1011.3 1016.2 1018.3 1007.5 MAX. QFF PRESSURE IN HPA 1039.4 1038.1 1029.4 1031.4 1021.0 1013.6 1008.7 1016.6 1021.8 1029.4 1036.1 1042.7 1042.7 YEAR-DAY 5-13 5-17 5-27 5- 8 5- 8 5- 5 5-27 57-31 57- 9 5-26 5-26 4- 3 4- 3 MIN. QFF PRESSURE IN HPA 1002.2 996.9 995.5 991.9 989.0 985.2 983.5 987.1 990.6 999.9 1003.6 1001.8 983.5 YEAR-DAY 97-17 85-16 67-23 60-28 1-25 3-30 95-16 94- 3 0- 2 98- 2 94-25 94- 4 95-16 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 1 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF DRY BULB TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ***** ***** ***** ***** 30.4 31.0 31.6 29.2 28.3 22.6 18.6 11.7 ****** 1957 9.0 13.1 18.9 21.1 26.4 30.0 31.3 29.3 25.5 21.5 13.9 11.1 20.9 1958 11.5 12.2 19.7 24.9 26.6 31.6 31.9 30.6 28.1 22.4 11.6 11.8 21.9 1959 8.6 11.1 18.3 24.2 26.8 30.9 31.9 33.4 29.7 24.3 14.0 7.7 21.7 1960 11.6 16.0 14.5 20.3 26.2 32.5 32.7 31.4 27.6 22.4 15.1 9.5 21.6 1961 9.4 11.4 17.9 19.7 27.7 30.4 32.5 30.5 29.3 21.6 15.2 12.5 21.5 1962 9.6 15.0 18.8 21.6 27.3 32.2 33.2 30.8 27.2 23.9 15.2 11.8 22.2 1963 13.5 17.1 19.8 24.9 27.4 34.8 34.4 32.9 29.9 25.7 17.5 11.2 24.1 1964 4.2 13.9 21.5 24.5 30.7 33.5 34.8 33.9 28.3 21.4 16.8 7.2 22.6 1965 10.2 12.4 16.9 20.1 27.3 31.0 32.4 29.6 27.4 25.4 17.8 11.0 21.8 1966 13.7 15.2 17.5 21.3 28.4 33.2 32.2 30.7 28.4 23.0 14.0 12.1 22.5 1967 10.0 12.9 16.7 20.4 27.1 30.2 33.3 30.4 30.0 22.5 17.5 9.6 21.7 1968 11.0 10.1 18.2 21.1 25.4 31.4 31.6 31.4 27.8 23.0 17.1 12.8 21.7 1969 9.0 10.8 21.5 22.6 28.8 33.9 36.4 32.6 29.2 26.8 15.2 15.4 23.5 1970 11.3 16.5 17.8 26.6 30.7 34.9 35.2 35.2 29.3 25.9 19.6 13.6 24.7 1971 10.6 14.4 20.4 25.0 31.7 35.3 33.9 34.1 27.7 24.7 18.9 14.9 24.3 1972 9.3 8.3 18.3 23.9 28.0 35.1 34.4 31.1 30.0 25.7 19.9 10.1 22.8 1973 6.6 16.9 20.8 26.3 31.9 36.5 36.1 32.9 30.8 25.5 18.2 12.2 24.6 1974 9.2 10.1 20.3 25.7 30.6 34.4 34.3 33.9 31.0 21.4 18.8 11.7 23.4 1975 10.4 14.5 18.6 22.7 30.6 33.3 35.5 33.5 30.3 24.5 16.9 11.8 23.6 1976 13.9 11.6 15.3 23.1 30.7 33.3 35.9 33.0 31.9 26.3 15.3 12.6 23.6 1977 8.0 15.6 24.4 24.8 31.3 36.5 36.8 34.2 29.7 25.4 17.2 13.7 24.8 1978 10.7 13.3 19.3 25.4 29.2 33.3 32.8 31.6 28.5 23.6 16.8 15.7 23.4 1979 11.6 14.0 15.6 25.1 26.1 33.6 33.7 30.3 27.6 25.1 16.0 11.8 22.5 1980 10.5 13.2 18.4 26.1 29.5 33.4 32.4 32.6 28.6 23.7 17.8 12.3 23.2 1981 11.2 14.3 19.4 25.3 28.8 32.3 33.1 30.8 27.0 20.8 17.4 13.8 22.9 1982 11.8 12.0 17.5 24.5 30.1 35.3 34.9 34.7 30.2 25.3 16.1 9.7 23.5 1983 11.2 13.8 16.4 22.2 31.5 36.2 36.2 35.1 32.5 24.3 20.0 10.2 24.1 1984 9.0 9.1 19.5 24.0 27.5 31.8 31.8 33.4 27.5 19.9 18.0 8.0 21.6 1985 11.6 15.6 16.2 23.9 28.4 33.8 35.3 30.4 28.7 23.8 17.4 12.5 23.1 1986 10.5 12.3 14.9 23.9 30.2 34.1 32.9 30.9 27.3 25.3 16.2 9.8 22.4 1987 12.4 14.9 19.1 24.9 29.1 32.3 33.3 33.2 31.5 21.7 17.5 13.5 23.6 1988 10.5 12.5 18.9 24.0 31.6 34.9 35.8 33.0 30.5 24.0 18.2 14.2 24.0 1989 7.8 9.1 17.5 22.5 28.2 34.2 33.9 31.8 29.5 25.0 18.5 13.5 22.6 1990 10.0 12.4 17.5 24.3 30.9 33.8 34.1 34.2 30.0 24.1 18.1 12.3 23.5 1991 10.6 11.3 16.6 23.8 28.8 33.5 34.6 32.9 29.1 22.9 17.2 14.1 22.9 1992 9.3 13.1 14.8 22.0 26.3 33.8 33.7 31.7 27.3 22.8 18.5 13.3 22.2 1993 8.3 13.9 16.2 24.0 29.3 33.5 33.2 31.6 29.0 21.7 17.2 11.7 22.5 1994 11.3 13.3 18.8 23.1 29.2 34.3 34.8 34.1 26.5 22.1 20.6 11.5 23.3 1995 12.3 13.7 16.4 22.4 27.9 33.0 36.0 33.4 29.1 23.5 17.9 9.9 23.0 1996 8.5 14.0 17.2 23.4 27.8 33.2 32.5 32.0 30.5 23.1 15.0 12.3 22.5 1997 11.5 12.9 16.8 21.6 27.6 32.6 35.9 33.3 30.2 24.5 16.2 11.8 22.9 1998 11.0 13.2 19.2 25.1 29.7 31.8 34.8 33.3 30.1 24.5 19.1 16.1 24.0 1999 10.2 15.6 17.4 25.1 29.7 35.1 34.3 32.4 30.1 25.0 18.0 11.7 23.7 2000 11.7 12.8 17.6 27.4 33.6 32.7 32.4 31.7 30.6 24.2 15.4 13.1 23.6 2001 9.5 13.4 19.3 27.0 32.5 33.8 35.5 32.7 30.3 25.2 18.2 15.6 24.4 2002 11.7 14.9 19.9 24.9 31.4 34.3 34.4 34.0 29.9 25.3 16.7 11.7 24.1 2003 12.1 16.3 18.6 25.5 27.6 34.3 35.7 32.7 29.5 25.2 15.9 11.5 23.7 2004 13.3 16.3 21.3 24.5 30.1 33.9 33.3 33.3 28.9 23.2 19.8 11.7 24.1 2005 10.9 11.9 19.9 25.2 28.3 34.2 35.6 33.9 31.5 26.2 17.5 14.4 24.1 MEAN 10.4 13.3 18.3 23.8 29.1 33.4 34.0 32.4 29.2 23.8 17.1 12.1 23.1 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 2 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF MINIMUM TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ***** ***** ***** ***** 20.8 24.5 26.6 23.5 22.6 14.7 11.1 5.3 ****** 1957 3.1 6.1 11.3 13.9 18.2 22.9 24.5 22.9 19.3 15.6 8.3 6.4 14.4 1958 6.8 6.8 13.5 18.5 20.7 25.3 26.1 24.6 21.9 16.6 6.6 7.0 16.2 1959 3.6 5.5 11.9 17.8 21.0 24.5 25.8 27.5 23.6 18.7 9.4 2.7 16.0 1960 5.9 10.0 8.8 14.5 19.6 26.1 27.1 25.1 21.4 16.7 9.9 4.8 15.8 1961 4.3 5.9 11.7 13.9 21.8 23.9 26.3 24.3 23.5 15.7 9.9 7.4 15.7 1962 4.2 8.9 12.7 15.1 20.7 23.3 24.9 22.5 18.6 15.5 8.0 5.0 14.9 1963 6.4 10.0 10.9 17.6 19.9 26.1 25.8 25.0 21.4 18.5 11.2 4.1 16.4 1964 -1.8 6.9 14.4 ***** ***** 23.6 25.8 24.6 18.7 13.9 10.2 1.2 ****** 1965 5.1 7.5 11.1 14.7 21.2 24.7 26.8 22.9 20.3 18.9 12.0 4.8 15.8 1966 7.5 10.0 11.6 15.6 21.9 26.9 25.9 24.1 21.6 17.1 7.7 6.2 16.3 1967 4.3 7.7 10.8 14.1 20.6 23.5 27.0 23.8 22.7 15.6 11.7 3.9 15.5 1968 4.4 5.3 12.5 14.9 19.3 24.4 25.3 24.9 21.3 16.6 11.3 7.4 15.6 1969 3.6 4.8 15.3 16.4 20.9 24.6 27.3 24.0 20.2 18.7 7.4 7.7 15.9 1970 4.7 8.4 10.3 17.9 21.7 25.3 26.7 26.5 21.0 17.0 11.5 5.7 16.4 1971 3.4 7.2 12.2 17.0 23.3 27.1 26.2 26.0 19.2 15.6 11.8 7.8 16.4 1972 2.8 1.4 11.1 16.6 20.1 26.4 26.5 23.1 21.7 16.9 12.1 3.1 15.1 1973 0.2 9.6 12.9 17.7 23.0 27.8 28.5 25.4 22.6 16.4 9.8 4.5 16.5 1974 3.7 3.9 13.3 17.4 21.9 26.0 27.4 25.1 22.4 12.7 10.3 4.8 15.7 1975 4.4 7.1 11.5 15.1 21.5 24.7 26.5 25.4 21.5 15.5 8.9 4.4 15.5 1976 6.6 5.9 8.9 15.6 22.1 24.9 28.0 24.4 22.7 18.3 7.8 4.9 15.8 1977 2.3 7.2 15.0 16.7 22.5 27.6 28.4 26.1 20.5 18.1 11.1 8.1 17.0 1978 4.8 7.3 11.4 19.1 22.1 26.5 27.4 25.0 21.5 17.0 9.4 9.3 16.7 1979 6.3 7.6 10.0 18.5 19.4 27.0 27.1 24.2 20.8 18.9 9.7 6.4 16.3 1980 4.6 7.5 11.9 19.0 22.6 27.0 25.6 25.8 22.1 17.5 12.4 6.7 16.9 1981 6.2 9.1 13.7 18.9 22.6 25.7 27.3 24.4 20.1 15.0 11.5 8.2 16.9 1982 4.8 4.8 10.5 16.8 22.1 26.1 26.1 26.7 21.7 17.4 9.2 3.4 15.8 1983 4.1 6.8 9.0 14.9 23.1 27.3 28.1 27.5 24.2 15.8 12.0 5.2 16.5 1984 4.0 3.8 13.6 17.1 20.7 25.3 25.5 27.3 21.6 13.3 12.5 3.3 15.7 1985 6.8 9.8 10.0 17.9 22.2 27.2 29.3 25.0 21.8 17.7 12.1 7.6 17.3 1986 5.1 7.2 10.0 18.3 24.6 28.2 27.1 24.9 20.9 19.7 11.1 5.5 16.9 1987 6.7 9.0 13.9 18.3 22.9 25.8 27.3 27.0 25.5 15.8 11.6 6.9 17.6 1988 5.0 7.1 12.7 17.9 24.8 27.8 30.0 26.8 24.5 18.0 12.5 9.1 18.0 1989 2.0 3.5 12.3 17.1 21.6 27.8 28.6 24.4 21.7 18.8 13.1 8.7 16.6 1990 4.2 6.9 11.4 17.9 24.6 27.5 28.3 28.0 23.8 18.5 12.8 7.1 17.6 1991 5.7 6.6 11.7 18.0 22.4 27.2 28.4 26.6 23.3 17.3 12.0 9.7 17.4 1992 4.7 7.5 9.5 15.8 20.3 27.3 27.6 26.3 20.9 17.2 12.8 8.3 16.5 1993 3.7 9.3 11.0 18.2 23.3 26.9 27.3 25.2 22.5 16.0 11.9 6.3 16.8 1994 5.6 7.1 13.6 17.2 23.0 27.6 28.9 28.2 20.8 16.7 15.4 6.3 17.5 1995 6.8 8.8 11.0 16.4 21.7 26.5 29.8 27.3 22.9 17.9 12.4 5.7 17.3 1996 4.4 8.7 12.6 17.4 21.9 27.5 27.2 26.0 24.1 17.3 9.8 6.7 17.0 1997 6.6 7.2 11.4 15.8 21.5 26.8 29.7 27.2 24.1 19.3 12.1 6.9 17.4 1998 5.5 7.9 14.0 19.2 23.3 25.6 29.1 27.5 24.0 18.7 13.8 10.8 18.3 1999 5.8 10.7 12.0 18.8 23.4 28.9 28.7 26.5 24.2 19.1 12.6 6.1 18.1 2000 7.0 7.3 11.6 21.1 27.2 26.4 26.7 25.7 24.7 18.6 11.0 8.0 17.9 2001 4.3 7.5 13.5 20.6 25.7 27.8 29.8 26.5 24.5 19.0 12.8 10.6 18.5 2002 6.6 9.4 13.9 18.9 24.7 28.2 29.1 27.6 23.5 19.4 11.6 6.4 18.3 2003 7.1 11.0 12.5 19.2 21.3 27.6 29.7 27.0 23.8 19.5 10.7 6.8 18.0 2004 8.3 10.0 14.6 18.4 23.7 27.7 27.4 27.0 23.0 17.4 14.1 6.6 18.2 2005 5.8 7.0 14.4 19.1 22.4 27.5 29.4 27.6 25.0 20.6 12.4 9.3 18.4 MEAN 4.9 7.4 12.0 17.2 22.1 26.3 27.4 25.6 22.2 17.2 11.1 6.4 16.6 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 3 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF MAXIMUM TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ***** ***** ***** ***** 39.1 37.3 37.5 34.9 35.0 29.3 25.4 16.8 ****** 1957 13.6 18.4 23.9 25.9 31.3 35.7 37.6 35.9 32.2 28.6 20.6 18.0 26.8 1958 18.3 19.8 27.1 32.1 33.2 38.4 38.0 36.8 35.3 30.5 18.8 18.7 28.9 1959 15.8 17.9 25.4 31.7 33.2 37.9 37.9 40.6 37.4 32.1 21.2 15.5 28.9 1960 19.3 23.9 20.7 27.2 32.5 38.9 38.3 37.7 34.0 29.6 22.6 16.6 28.4 1961 15.8 18.4 24.4 26.0 34.1 36.3 38.4 35.8 36.4 29.3 23.0 20.0 28.2 1962 16.9 22.4 25.9 28.1 34.0 36.7 36.6 34.8 31.5 30.2 21.4 18.8 28.1 1963 20.4 22.9 25.7 30.0 32.9 39.3 38.8 37.4 34.8 31.9 22.9 17.5 29.5 1964 10.1 20.0 27.1 29.2 35.6 38.0 38.7 38.0 33.1 26.9 22.8 12.5 27.7 1965 16.5 19.7 24.7 27.7 34.6 38.0 38.9 36.5 35.0 33.6 25.9 19.6 29.2 1966 22.2 22.4 24.9 28.9 35.5 40.3 39.0 38.0 36.5 30.6 22.1 20.5 30.1 1967 17.9 19.6 24.1 27.5 34.5 37.4 40.6 38.2 37.0 30.6 25.7 17.4 29.2 1968 19.2 17.0 25.9 28.8 32.8 39.6 39.3 39.7 37.0 31.8 26.0 20.5 29.8 1969 16.8 18.4 29.5 30.5 35.9 39.5 41.9 37.6 35.1 33.1 21.4 21.9 30.1 1970 17.0 22.5 23.5 33.3 37.4 41.0 41.1 41.5 34.9 32.5 25.4 18.9 30.7 1971 15.5 19.5 25.3 29.5 36.2 39.5 37.7 38.1 31.9 29.9 24.1 20.1 29.0 1972 13.8 13.1 22.9 28.5 32.3 39.1 38.2 35.1 34.6 30.9 25.2 15.3 27.4 1973 11.7 21.8 25.4 31.2 36.3 40.5 39.9 36.4 34.8 30.5 23.8 17.4 29.1 1974 13.5 14.4 24.8 30.6 34.8 38.6 37.9 37.7 35.6 26.3 24.4 16.7 27.9 1975 14.9 19.4 23.3 27.3 35.1 37.4 39.5 37.4 34.9 29.6 22.4 17.1 28.2 1976 19.7 16.0 19.7 28.1 35.4 37.4 40.3 37.2 36.8 31.7 21.1 18.1 28.5 1977 12.7 21.1 30.2 29.6 36.0 40.9 41.3 38.5 34.2 31.7 24.6 20.5 30.1 1978 18.0 20.3 23.7 32.1 35.9 39.8 38.2 37.8 35.7 31.5 21.4 23.5 29.8 1979 18.0 21.3 21.6 32.2 33.0 39.7 39.9 36.5 34.5 33.1 24.0 19.0 29.4 1980 17.6 19.9 25.5 33.5 36.3 39.8 38.7 39.1 35.8 31.3 25.1 19.5 30.2 1981 17.4 20.6 25.9 32.3 34.9 38.6 38.8 36.9 34.2 27.8 25.4 21.3 29.5 1982 16.7 16.8 22.2 29.5 34.6 39.8 39.1 39.0 34.9 30.5 20.9 14.4 28.2 1983 16.3 18.4 21.1 27.0 36.4 40.9 40.6 39.7 37.6 29.9 25.9 17.7 29.3 1984 15.8 15.5 26.4 31.3 34.5 38.0 38.2 40.6 34.5 28.2 25.8 14.1 28.6 1985 18.0 22.8 23.0 30.1 34.3 39.8 40.3 35.1 35.2 30.4 24.0 18.3 29.3 1986 17.3 18.1 20.6 29.7 35.7 39.6 38.1 36.2 33.4 31.7 22.0 14.5 28.1 1987 18.7 21.1 25.1 31.1 35.2 37.9 38.8 38.8 37.6 27.7 24.8 21.4 29.8 1988 16.6 18.3 25.4 30.3 37.9 41.1 41.5 38.8 36.9 30.7 25.5 21.0 30.3 1989 14.3 15.2 23.3 28.3 34.2 40.3 39.3 37.6 36.2 32.3 25.1 20.0 28.8 1990 16.5 18.7 24.1 31.0 37.3 39.8 39.8 40.3 36.5 30.4 25.3 19.0 29.9 1991 16.6 17.0 22.3 29.3 35.0 39.2 40.2 38.9 35.1 29.0 23.8 19.4 28.8 1992 14.7 19.7 20.5 28.2 32.3 40.0 39.2 37.1 33.4 29.5 25.4 19.2 28.3 1993 13.6 19.2 22.3 30.0 35.5 39.3 38.5 37.4 35.3 27.8 23.9 18.3 28.4 1994 17.8 20.4 24.7 29.5 34.9 40.3 40.3 40.1 32.0 28.2 27.1 17.9 29.4 1995 18.6 19.1 22.3 28.9 33.6 38.8 41.6 39.2 35.7 29.7 25.1 14.7 28.9 1996 13.3 20.2 22.5 29.8 34.1 38.7 37.3 37.7 37.4 30.0 21.3 19.7 28.5 1997 17.6 19.4 22.6 28.2 33.3 38.5 41.6 39.2 36.9 30.9 21.4 17.9 29.0 1998 16.9 19.2 24.7 31.2 35.7 37.0 40.3 38.5 36.5 31.2 26.2 23.2 30.1 1999 15.9 21.4 23.3 31.7 35.7 41.2 40.0 38.3 36.3 31.7 24.7 18.8 29.9 2000 17.6 18.8 24.0 33.8 39.7 38.7 37.6 37.6 37.2 31.0 21.1 19.4 29.7 2001 16.2 19.9 25.9 33.4 38.7 39.7 40.9 38.5 36.4 32.3 24.6 22.0 30.7 2002 17.5 21.3 26.6 31.0 37.6 40.2 39.6 40.0 36.8 32.7 22.9 17.7 30.3 2003 18.1 22.3 24.9 31.8 33.5 40.3 41.8 38.5 35.6 31.9 22.4 17.7 29.9 2004 19.0 23.2 28.1 30.5 36.5 39.9 39.0 39.7 35.2 29.7 26.5 17.2 30.4 2005 16.7 17.4 26.0 31.8 34.3 40.7 41.8 40.1 38.4 32.7 23.5 20.8 30.3 MEAN 16.6 19.5 24.4 30.0 35.1 39.1 39.4 38.0 35.4 30.5 23.7 18.5 29.2 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 4 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M DIFFERENCE BETWEEN AVERAGE MAXIMUM AND MINIMUM TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ***** ***** ***** ***** 18.3 12.8 10.9 11.4 12.4 14.6 14.3 11.5 ****** 1957 10.5 12.3 12.6 12.0 13.1 12.8 13.1 13.0 12.9 13.0 12.3 11.6 12.4 1958 11.5 13.0 13.6 13.6 12.5 13.1 11.9 12.2 13.4 13.9 12.2 11.7 12.7 1959 12.2 12.4 13.5 13.9 12.2 13.4 12.1 13.1 13.8 13.4 11.8 12.8 12.9 1960 13.4 13.9 11.9 12.7 12.9 12.8 11.2 12.6 12.6 12.9 12.7 11.8 12.6 1961 11.5 12.5 12.7 12.1 12.3 12.4 12.1 11.5 12.9 13.6 13.1 12.6 12.5 1962 12.7 13.5 13.2 13.0 13.3 13.4 11.7 12.3 12.9 14.7 13.4 13.8 13.2 1963 14.0 12.9 14.8 12.4 13.0 13.2 13.0 12.4 13.4 13.4 11.7 13.4 13.1 1964 11.9 13.1 12.7 ***** ***** 14.4 12.9 13.4 14.4 13.0 12.6 11.3 ****** 1965 11.4 12.2 13.6 13.0 13.4 13.3 12.1 13.6 14.7 14.7 13.9 14.8 13.4 1966 14.7 12.4 13.3 13.3 13.6 13.4 13.1 13.9 14.9 13.5 14.4 14.3 13.8 1967 13.6 11.9 13.3 13.4 13.9 13.9 13.6 14.4 14.3 15.0 14.0 13.5 13.7 1968 14.8 11.7 13.4 13.9 13.5 15.2 14.0 14.8 15.7 15.2 14.7 13.1 14.2 1969 13.2 13.6 14.2 14.1 15.0 14.9 14.6 13.6 14.9 14.4 14.0 14.2 14.2 1970 12.3 14.1 13.2 15.4 15.7 15.7 14.4 15.0 13.9 15.5 13.9 13.2 14.3 1971 12.1 12.3 13.1 12.5 12.9 12.4 11.5 12.1 12.7 14.3 12.3 12.3 12.6 1972 11.0 11.7 11.8 11.9 12.2 12.7 11.7 12.0 12.9 14.0 13.1 12.2 12.3 1973 11.5 12.2 12.5 13.5 13.3 12.7 11.4 11.0 12.2 14.1 14.0 12.9 12.6 1974 9.8 10.5 11.5 13.2 12.9 12.6 10.5 12.6 13.2 13.6 14.1 11.9 12.2 1975 10.5 12.3 11.8 12.2 13.6 12.7 13.0 12.0 13.4 14.1 13.5 12.7 12.7 1976 13.1 10.1 10.8 12.5 13.3 12.5 12.3 12.8 14.1 13.4 13.3 13.2 12.7 1977 10.4 13.9 15.2 12.9 13.5 13.3 12.9 12.4 13.7 13.6 13.5 12.4 13.1 1978 13.2 13.0 12.3 13.0 13.8 13.3 10.8 12.8 14.2 14.5 12.0 14.2 13.1 1979 11.7 13.7 11.6 13.7 13.6 12.7 12.8 12.3 13.7 14.2 14.3 12.6 13.1 1980 13.0 12.4 13.6 14.5 13.7 12.8 13.1 13.3 13.7 13.8 12.7 12.8 13.3 1981 11.2 11.5 12.2 13.4 12.3 12.9 11.5 12.5 14.1 12.8 13.9 13.1 12.6 1982 11.9 12.0 11.7 12.7 12.5 13.7 13.0 12.3 13.2 13.1 11.7 11.0 12.4 1983 12.2 11.6 12.1 12.1 13.3 13.6 12.5 12.2 13.4 14.1 13.9 12.5 12.8 1984 11.8 11.7 12.8 14.2 13.8 12.7 12.7 13.3 12.9 14.9 13.3 10.8 12.9 1985 11.2 13.0 13.0 12.2 12.1 12.6 11.0 10.1 13.4 12.7 11.9 10.7 12.0 1986 12.2 10.9 10.6 11.4 11.1 11.4 11.0 11.3 12.5 12.0 10.9 9.0 11.2 1987 12.0 12.1 11.2 12.8 12.3 12.1 11.5 11.8 12.1 11.9 13.2 14.5 12.2 1988 11.6 11.2 12.7 12.4 13.1 13.3 11.5 12.0 12.4 12.7 13.0 11.9 12.3 1989 12.3 11.7 11.0 11.2 12.6 12.5 10.7 13.2 14.5 13.5 12.0 11.3 12.2 1990 12.3 11.8 12.7 13.1 12.7 12.3 11.5 12.3 12.7 11.9 12.5 11.9 12.3 1991 10.9 10.4 10.6 11.3 12.6 12.0 11.8 12.3 11.8 11.7 11.8 9.7 11.4 1992 10.0 12.2 11.0 12.4 12.0 12.7 11.6 10.8 12.5 12.3 12.6 10.9 11.8 1993 9.9 9.9 11.3 11.8 12.2 12.4 11.2 12.2 12.8 11.8 12.0 12.0 11.6 1994 12.2 13.3 11.1 12.3 11.9 12.7 11.4 11.9 11.2 11.5 11.7 11.6 11.9 1995 11.8 10.3 11.3 12.5 11.9 12.3 11.8 11.9 12.8 11.8 12.7 9.0 11.6 1996 8.9 11.5 9.9 12.4 12.2 11.2 10.1 11.7 13.3 12.7 11.5 13.0 11.5 1997 11.0 12.2 11.2 12.4 11.8 11.7 11.9 12.0 12.8 11.6 9.3 11.0 11.6 1998 11.4 11.3 10.7 12.0 12.4 11.4 11.2 11.0 12.5 12.5 12.4 12.4 11.8 1999 10.1 10.7 11.3 12.9 12.3 12.3 11.3 11.8 12.1 12.6 12.1 12.7 11.8 2000 10.6 11.5 12.4 12.7 12.5 12.3 10.9 11.9 12.5 12.4 10.1 11.4 11.8 2001 11.9 12.4 12.4 12.8 13.0 11.9 11.1 12.0 11.9 13.3 11.8 11.4 12.2 2002 10.9 11.9 12.7 12.1 12.9 12.0 10.5 12.4 13.3 13.3 11.3 11.3 12.0 2003 11.0 11.3 12.4 12.6 12.2 12.7 12.1 11.5 11.8 12.4 11.7 10.9 11.9 2004 10.7 13.2 13.5 12.1 12.8 12.2 11.6 12.7 12.2 12.3 12.4 10.6 12.2 2005 10.9 10.4 11.6 12.7 11.9 13.2 12.4 12.5 13.4 12.1 11.1 11.5 11.9 MEAN 11.7 12.1 12.4 12.8 13.0 12.8 12.0 12.4 13.2 13.3 12.6 12.1 12.6 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 5 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF MEAN DAILY TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ***** ***** ***** ***** 29.9 30.9 32.0 29.2 28.8 22.0 18.2 11.0 ****** 1957 8.4 12.2 17.6 19.9 24.8 29.3 31.1 29.4 25.7 22.1 14.5 12.2 20.6 1958 12.5 13.3 20.3 25.3 27.0 31.8 32.0 30.7 28.6 23.5 12.7 12.8 22.6 1959 9.7 11.7 18.7 24.8 27.1 31.2 31.9 34.0 30.5 25.4 15.3 9.1 22.5 1960 12.6 16.9 14.8 20.9 26.1 32.5 32.7 31.4 27.7 23.2 16.2 10.7 22.1 1961 10.1 12.2 18.1 19.9 28.0 30.1 32.3 30.0 30.0 22.5 16.4 13.7 21.9 1962 10.5 15.6 19.3 21.6 27.3 30.0 30.8 28.6 25.0 22.8 14.7 11.9 21.5 1963 13.4 16.5 18.3 23.8 26.4 32.7 32.3 31.2 28.1 25.2 17.0 10.8 23.0 1964 4.2 13.4 20.8 ***** ***** 30.8 32.3 31.3 25.9 20.4 16.5 6.9 ****** 1965 10.8 13.6 17.9 21.2 27.9 31.3 32.9 29.7 27.7 26.2 18.9 12.2 22.5 1966 14.9 16.2 18.3 22.2 28.7 33.6 32.5 31.0 29.1 23.8 14.9 13.3 23.2 1967 11.1 13.6 17.5 20.8 27.5 30.5 33.8 31.0 29.9 23.1 18.7 10.6 22.3 1968 11.8 11.2 19.2 21.8 26.0 32.0 32.3 32.3 29.2 24.2 18.7 13.9 22.7 1969 10.2 11.6 22.4 23.5 28.4 32.0 34.6 30.8 27.6 25.9 14.4 14.8 23.0 1970 10.8 15.4 16.9 25.6 29.5 33.2 33.9 34.0 28.0 24.7 18.5 12.3 23.6 1971 9.5 13.4 18.8 23.3 29.8 33.3 31.9 32.0 25.5 22.8 18.0 14.0 22.7 1972 8.3 7.3 17.0 22.5 26.2 32.8 32.4 29.1 28.1 23.9 18.6 9.2 21.3 1973 5.9 15.7 19.1 24.4 29.6 34.1 34.2 30.9 28.7 23.5 16.8 11.0 22.8 1974 8.6 9.1 19.0 24.0 28.3 32.3 32.6 31.4 29.0 19.5 17.4 10.8 21.8 1975 9.7 13.2 17.4 21.2 28.3 31.0 33.0 31.4 28.2 22.6 15.6 10.8 21.9 1976 13.2 11.0 14.3 21.8 28.7 31.1 34.2 30.8 29.8 25.0 14.4 11.5 22.2 1977 7.5 14.1 22.6 23.1 29.2 34.3 34.9 32.3 27.4 24.9 17.8 14.3 23.5 1978 11.4 13.8 17.6 25.6 29.0 33.2 32.8 31.4 28.6 24.2 15.4 16.4 23.3 1979 12.1 14.5 15.8 25.4 26.2 33.3 33.5 30.3 27.6 26.0 16.9 12.7 22.9 1980 11.1 13.7 18.7 26.3 29.5 33.4 32.1 32.5 28.9 24.4 18.7 13.1 23.5 1981 11.8 14.8 19.8 25.6 28.7 32.1 33.0 30.6 27.1 21.4 18.4 14.8 23.2 1982 10.8 10.8 16.3 23.1 28.4 33.0 32.6 32.8 28.3 23.9 15.1 8.9 22.0 1983 10.2 12.6 15.1 20.9 29.8 34.1 34.3 33.6 30.9 22.8 19.0 11.4 22.9 1984 9.9 9.6 20.0 24.2 27.6 31.7 31.9 33.9 28.1 20.8 19.1 8.7 22.1 1985 12.4 16.3 16.5 24.0 28.3 33.5 34.8 30.1 28.5 24.0 18.1 13.0 23.3 1986 11.2 12.6 15.3 24.0 30.1 33.9 32.6 30.6 27.1 25.7 16.6 10.0 22.5 1987 12.7 15.0 19.5 24.7 29.0 31.8 33.0 32.9 31.5 21.8 18.2 14.2 23.7 1988 10.8 12.7 19.1 24.1 31.4 34.5 35.7 32.8 30.7 24.3 19.0 15.1 24.2 1989 8.1 9.4 17.8 22.7 27.9 34.0 34.0 31.0 29.0 25.5 19.1 14.3 22.7 1990 10.3 12.8 17.7 24.5 31.0 33.6 34.1 34.2 30.1 24.5 19.0 13.1 23.7 1991 11.1 11.8 17.0 23.7 28.7 33.2 34.3 32.7 29.2 23.2 17.9 14.6 23.1 1992 9.7 13.6 15.0 22.0 26.3 33.7 33.4 31.7 27.1 23.4 19.1 13.7 22.4 1993 8.6 14.3 16.7 24.1 29.4 33.1 32.9 31.3 28.9 21.9 17.9 12.3 22.6 1994 11.7 13.7 19.2 23.3 29.0 33.9 34.6 34.2 26.4 22.5 21.2 12.1 23.5 1995 12.7 13.9 16.6 22.6 27.7 32.7 35.7 33.3 29.3 23.8 18.8 10.2 23.1 1996 8.8 14.5 17.5 23.6 28.0 33.1 32.2 31.8 30.7 23.7 15.5 13.2 22.7 1997 12.1 13.3 17.0 22.0 27.4 32.7 35.6 33.2 30.5 25.1 16.8 12.4 23.2 1998 11.2 13.5 19.3 25.2 29.5 31.3 34.7 33.0 30.3 24.9 20.0 17.0 24.2 1999 10.8 16.1 17.7 25.2 29.6 35.0 34.4 32.4 30.3 25.4 18.6 12.4 24.0 2000 12.3 13.0 17.8 27.4 33.5 32.6 32.1 31.6 30.9 24.8 16.0 13.7 23.8 2001 10.2 13.7 19.7 27.0 32.2 33.7 35.4 32.5 30.4 25.6 18.7 16.3 24.6 2002 12.0 15.4 20.2 25.0 31.1 34.2 34.3 33.8 30.1 26.0 17.3 12.0 24.3 2003 12.6 16.7 18.7 25.5 27.4 34.0 35.8 32.8 29.7 25.7 16.5 12.3 24.0 2004 13.7 16.6 21.4 24.5 30.1 33.8 33.2 33.4 29.1 23.6 20.3 11.9 24.3 2005 11.3 12.2 20.2 25.5 28.4 34.1 35.6 33.8 31.7 26.6 18.0 15.0 24.4 MEAN 10.7 13.4 18.2 23.6 28.6 32.7 33.4 31.8 28.8 23.9 17.4 12.5 22.9 SD 1.97 2.11 1.85 1.81 1.68 1.33 1.30 1.46 1.57 1.61 1.79 2.09 1.71 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 6 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M TEMPERATURE RECORDS LOWEST IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ***** ***** ***** ***** 11.0 20.0 22.0 20.0 18.0 11.0 7.0 1.0 ****** DAY ** ** ** ** 13 12 17 23 30 31 14 21 1957 -1.0 -1.0 7.0 7.0 13.0 19.0 19.0 15.0 16.0 10.0 -2.0 1.0 -2.0 DAY 26 7 10 6 5 9 9 23 5 14 25 24 1958 1.0 3.0 7.0 11.0 16.0 23.0 21.0 20.0 18.0 12.0 -1.0 2.0 -1.0 DAY 1 2 2 7 14 8 18 30 27 23 25 22 1959 -3.0 -1.0 4.0 13.0 15.0 21.0 20.0 25.0 20.0 14.0 6.0 -5.0 -5.0 DAY 3 19 10 2 6 2 7 7 27 28 5 16 1960 -1.0 1.0 -3.0 8.0 12.0 23.0 22.0 22.0 18.0 13.0 3.0 0.0 -3.0 DAY 29 1 21 16 3 15 31 1 12 28 27 31 1961 -1.0 -1.0 4.0 8.0 13.0 19.0 23.0 21.0 19.0 6.0 3.0 3.0 -1.0 DAY 11 4 5 10 3 9 3 11 27 29 27 31 1962 -1.0 4.0 6.0 11.0 15.0 20.0 21.0 17.0 11.0 11.0 0.0 1.0 -1.0 DAY 20 15 4 19 1 14 22 29 28 13 29 2 1963 2.0 4.0 3.0 12.0 15.0 23.0 22.0 22.0 17.0 15.0 6.0 -6.0 -6.0 DAY 1 10 9 6 14 30 24 9 13 11 21 28 1964 -8.0 -3.0 4.0 ***** ***** 20.0 23.0 21.0 13.0 9.0 0.0 -4.0 ****** DAY 22 1 1 ** ** 5 17 24 26 28 30 30 1965 -2.0 2.0 3.0 9.0 13.0 21.0 23.0 20.0 17.0 14.0 6.0 -2.0 -2.0 DAY 1 4 17 7 5 3 11 11 11 31 25 24 1966 4.0 6.0 5.0 8.0 15.0 21.0 21.0 21.0 15.0 13.0 2.0 0.0 0.0 DAY 2 25 4 6 13 2 1 17 5 19 26 27 1967 -1.0 -1.0 2.0 4.0 15.0 20.0 24.0 20.0 20.0 8.0 5.0 -4.0 -4.0 DAY 8 7 2 2 1 10 17 19 27 24 30 26 1968 -2.0 -4.0 5.0 9.0 13.0 20.0 22.0 20.0 17.0 10.0 6.0 -1.0 -4.0 DAY 20 7 26 8 1 2 16 26 20 29 20 24 1969 -3.0 -2.0 6.0 8.0 16.0 18.0 24.0 21.0 13.0 14.0 1.0 2.0 -3.0 DAY 2 4 26 17 14 3 1 20 15 31 20 16 1970 -3.0 0.0 4.0 14.0 16.0 23.0 23.0 21.0 14.0 9.0 9.0 -2.0 -3.0 DAY 30 1 8 27 5 6 10 24 21 25 24 19 1971 -2.0 -3.0 6.0 11.0 18.0 24.0 22.0 24.0 14.0 12.0 9.0 -2.0 -3.0 DAY 26 3 4 27 1 2 4 14 21 20 10 24 1972 -2.0 -5.0 4.0 12.0 16.0 22.0 23.0 17.0 16.0 14.0 7.0 -7.0 -7.0 DAY 6 5 4 4 5 2 12 28 20 26 23 26 1973 -9.0 2.0 2.0 12.0 19.0 25.0 25.0 22.0 17.0 12.0 4.0 -2.0 -9.0 DAY 5 7 11 12 16 20 28 18 30 27 9 15 1974 0.0 -3.0 3.0 10.0 15.0 23.0 22.0 22.0 16.0 9.0 4.0 0.0 -3.0 DAY 3 5 8 2 1 6 26 16 30 16 29 28 1975 -3.0 -2.0 1.0 8.0 17.0 21.0 23.0 19.0 18.0 7.0 5.0 -3.0 -3.0 DAY 16 13 10 4 14 22 8 31 2 22 16 26 1976 0.0 -3.0 3.0 9.0 18.0 23.0 25.0 21.0 21.0 12.0 3.0 0.0 -3.0 DAY 2 18 4 5 1 11 29 28 14 31 20 25 1977 -4.0 2.0 10.0 10.0 19.0 22.0 25.0 23.0 18.0 11.0 3.0 0.0 -4.0 DAY 10 1 1 4 1 1 6 7 8 29 29 31 1978 -3.0 2.0 5.0 13.0 15.0 21.0 24.0 20.0 17.0 14.0 2.0 1.0 -3.0 DAY 16 7 21 17 4 3 9 24 29 7 29 20 1979 -3.0 1.0 -1.0 8.0 10.0 21.0 23.0 19.0 15.0 16.0 4.0 -1.0 -3.0 DAY 28 1 6 30 1 2 1 24 28 22 24 25 1980 -2.0 -4.0 4.0 14.0 18.0 21.0 22.0 20.0 18.0 11.0 5.0 3.0 -4.0 DAY 18 2 5 18 18 4 1 27 12 31 27 15 1981 1.0 3.0 7.0 7.0 15.0 21.0 23.0 21.0 15.0 8.0 5.0 5.0 1.0 DAY 16 3 1 3 4 12 29 6 25 31 25 3 1982 -3.0 -1.6 2.4 10.2 15.6 22.0 23.0 20.4 16.6 10.0 1.6 -0.4 -3.0 DAY 22 20 1 1 1 1 13 31 23 26 30 12 1983 -2.6 0.4 2.0 6.0 16.5 22.6 24.0 24.0 18.0 10.4 7.0 -1.6 -2.6 DAY 30 24 1 3 1 3 4 12 23 23 28 22 1984 -0.2 -2.0 7.6 13.0 15.0 22.0 23.6 24.6 15.0 7.0 7.4 -2.0 -2.0 DAY 31 20 18 1 3 2 6 31 30 23 18 21 1985 -2.0 3.6 1.6 11.0 17.6 24.0 27.0 22.0 19.4 13.0 7.0 2.0 -2.0 DAY 1 8 12 1 9 1 15 22 1 17 22 29 1986 -1.4 2.8 1.8 12.6 19.4 22.6 22.4 21.4 18.0 15.0 5.8 -2.0 -2.0 DAY 25 3 18 1 1 3 24 28 11 18 17 13 1987 3.0 3.4 7.6 10.6 16.6 19.0 24.0 24.6 21.0 8.4 4.8 -0.4 -0.4 DAY 14 25 23 2 8 2 28 11 27 17 30 1 1988 -1.0 -0.6 6.0 8.0 15.4 24.0 26.6 23.6 17.0 11.8 5.0 0.0 -1.0 DAY 21 8 25 4 1 1 25 11 29 6 27 30 1989 -3.0 -1.5 6.0 8.0 9.5 24.2 24.0 20.5 15.0 14.2 9.0 3.0 -3.0 DAY 31 7 1 1 2 17 25 30 24 26 26 23 1990 -1.6 0.2 2.0 11.0 20.2 21.5 26.0 23.5 19.2 12.0 8.8 -5.0 -5.0 DAY 13 1 22 2 2 3 18 15 29 20 26 29 1991 0.6 -1.2 6.0 11.0 17.5 21.0 25.4 22.4 14.4 12.6 7.0 0.8 -1.2 DAY 1 15 4 15 7 26 3 24 28 15 29 19 1992 -3.6 -1.6 1.0 5.4 13.0 24.0 25.0 21.6 17.0 13.0 5.6 3.2 -3.6 DAY 30 17 13 8 3 1 26 19 12 19 29 11 1993 -2.0 3.0 3.0 12.0 18.2 22.0 21.0 21.6 19.4 10.6 6.4 2.2 -2.0 DAY 16 18 24 1 11 1 12 3 25 9 16 9 1994 1.2 -1.0 6.0 7.0 16.0 21.4 23.4 24.6 15.0 10.6 11.0 -3.2 -3.2 DAY 12 20 3 6 12 13 16 20 22 10 29 9 1995 3.0 3.0 3.2 9.2 17.4 18.0 25.4 24.4 19.0 11.0 2.0 2.4 2.0 DAY 2 27 7 7 31 1 27 27 5 29 29 20 1996 -3.8 2.2 8.0 8.2 16.2 20.4 24.6 22.4 19.8 10.4 3.2 2.4 -3.8 DAY 16 25 16 6 1 19 6 31 1 21 14 3 1997 1.8 -1.4 3.0 8.0 15.0 23.0 24.0 22.0 21.0 14.5 6.2 0.4 -1.4 DAY 26 9 1 14 11 2 1 30 17 18 26 29 1998 -1.0 0.6 5.6 11.2 16.6 23.6 25.6 22.0 19.2 15.0 10.4 7.4 -1.0 DAY 15 18 3 8 6 11 25 31 21 17 26 7 1999 0.4 4.0 5.4 12.4 19.4 25.2 24.0 23.6 18.0 15.4 8.0 3.4 0.4 DAY 4 2 6 12 26 13 13 21 30 28 30 2 2000 -0.6 2.4 4.4 13.6 24.0 22.0 23.4 23.0 21.0 15.6 6.0 2.6 -0.6 DAY 14 10 5 1 15 15 21 20 11 5 19 19 2001 -5.2 -1.0 6.0 16.6 20.0 23.6 21.8 22.0 20.0 14.6 7.4 7.6 -5.2 DAY 29 1 13 4 1 24 31 15 21 13 21 24 2002 -0.4 2.0 6.4 10.0 21.0 23.8 26.4 23.6 19.0 17.0 6.2 -0.6 -0.6 DAY 19 2 12 5 6 10 31 1 30 26 30 31 2003 1.0 2.4 0.0 11.6 13.8 25.0 26.2 23.8 17.0 16.4 3.2 -4.2 -4.2 DAY 1 19 3 19 3 1 13 31 29 17 24 14 2004 1.8 1.0 8.8 13.4 16.4 24.0 23.0 23.2 17.2 11.2 4.6 0.0 0.0 DAY 2 9 17 3 1 2 20 20 29 10 30 31 2005 1.0 0.6 9.0 10.0 17.4 20.2 25.6 23.8 22.2 13.0 6.0 0.2 0.2 DAY 15 19 28 7 3 11 30 19 12 25 27 31 1956-2005 -9.0 -5.0 -3.0 4.0 9.5 18.0 19.0 15.0 11.0 6.0 -2.0 -7.0 -9.0 YEAR-DAY 73- 5 72- 5 60-21 67- 2 89- 2 69- 3 57- 9 57-23 62-28 61-29 57-25 72-26 73 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 7 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M TEMPERATURE RECORDS HIGHEST IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ***** ***** ***** ***** 42.0 43.0 43.0 38.0 38.0 34.0 31.0 27.0 ****** DAY ** ** ** ** 8 2 10 26 12 18 8 10 1957 24.0 26.0 29.0 32.0 39.0 42.0 44.0 42.0 35.0 35.0 28.0 24.0 44.0 DAY 31 25 14 21 30 5 16 10 18 4 5 10 1958 27.0 25.0 32.0 38.0 37.0 42.0 43.0 41.0 40.0 35.0 29.0 28.0 43.0 DAY 17 22 15 21 2 21 4 10 4 4 7 9 1959 22.0 26.0 32.0 36.0 39.0 42.0 43.0 44.0 41.0 37.0 27.0 22.0 44.0 DAY 31 1 17 6 30 29 28 3 16 3 8 1 1960 27.0 30.0 30.0 34.0 39.0 42.0 43.0 42.0 40.0 34.0 29.0 23.0 43.0 DAY 17 28 1 27 14 5 5 29 1 8 4 2 1961 27.0 29.0 31.0 36.0 40.0 42.0 42.0 41.0 40.0 36.0 28.0 25.0 42.0 DAY 21 28 2 29 27 6 12 8 12 5 22 15 1962 25.0 30.0 31.0 33.0 41.0 42.0 40.0 39.0 36.0 35.0 30.0 25.0 42.0 DAY 8 18 21 3 27 15 15 22 13 11 8 9 1963 27.0 30.0 33.0 35.0 40.0 44.0 42.0 41.0 40.0 36.0 31.0 25.0 44.0 DAY 27 25 25 12 28 10 5 3 7 1 2 3 1964 21.0 27.0 33.0 34.0 40.0 43.0 43.0 43.0 40.0 37.0 28.0 25.0 43.0 DAY 1 24 21 30 17 28 10 4 10 3 22 25 1965 23.0 27.0 32.0 35.0 40.0 43.0 42.0 40.0 38.0 37.0 32.0 25.0 43.0 DAY 27 8 11 30 18 18 5 4 6 3 1 1 1966 30.0 30.0 34.0 35.0 40.0 45.0 43.0 43.0 40.0 37.0 28.0 26.0 45.0 DAY 31 1 13 21 26 21 7 6 25 2 1 20 1967 28.0 28.0 31.0 35.0 41.0 42.0 45.0 41.0 41.0 37.0 30.0 26.0 45.0 DAY 19 24 8 21 18 5 9 2 8 3 2 18 1968 26.0 27.0 36.0 37.0 38.0 44.0 45.0 44.0 41.0 38.0 29.0 28.0 45.0 DAY 7 21 15 19 27 20 7 14 7 1 5 1 1969 27.0 28.0 35.0 37.0 42.0 44.0 46.0 41.0 42.0 36.0 28.0 28.0 46.0 DAY 24 28 31 1 28 16 5 5 11 7 2 14 1970 23.0 27.0 33.0 39.0 44.0 45.0 45.0 47.0 40.0 38.0 32.0 30.0 47.0 DAY 1 13 23 19 31 20 15 7 6 1 1 13 1971 21.0 27.0 33.0 36.0 42.0 42.0 41.0 41.0 40.0 36.0 29.0 25.0 42.0 DAY 5 23 29 25 28 3 10 5 3 9 5 10 1972 23.0 28.0 29.0 33.0 39.0 44.0 44.0 40.0 40.0 33.0 32.0 27.0 44.0 DAY 14 18 25 11 19 24 5 1 10 1 4 1 1973 23.0 28.0 32.0 38.0 41.0 44.0 45.0 41.0 40.0 37.0 32.0 23.0 45.0 DAY 16 21 21 27 30 15 11 2 3 10 2 6 1974 22.0 25.0 33.0 37.0 42.0 43.0 44.0 43.0 40.0 30.0 31.0 25.0 44.0 DAY 15 26 24 23 24 3 6 10 3 30 3 6 1975 27.0 27.0 31.0 36.0 41.0 40.0 42.0 42.0 39.0 37.0 30.0 25.0 42.0 DAY 4 21 26 30 25 14 5 11 10 3 1 23 1976 30.0 25.0 26.0 37.0 40.0 41.0 44.0 39.0 39.0 36.0 29.0 24.0 44.0 DAY 24 9 31 18 30 1 4 3 21 4 28 10 1977 22.0 27.0 35.0 38.0 39.0 46.0 46.0 45.0 37.0 37.0 32.0 30.0 46.0 DAY 20 6 20 15 17 21 11 18 1 5 5 6 1978 25.0 28.0 30.0 37.0 41.0 45.0 45.0 40.0 42.0 36.0 32.0 32.0 45.0 DAY 5 19 12 11 23 28 1 7 2 20 1 9 1979 26.0 28.0 31.0 39.0 39.0 45.0 44.0 42.0 40.0 38.0 32.0 26.0 45.0 DAY 7 28 26 23 23 25 9 1 14 6 3 7 1980 27.0 27.0 33.0 38.0 40.0 45.0 40.0 44.0 40.0 40.0 30.0 27.0 45.0 DAY 22 11 31 30 25 9 2 11 19 5 16 7 1981 26.0 28.0 32.0 38.0 42.0 43.0 45.0 42.0 41.0 34.0 31.0 28.0 45.0 DAY 25 9 25 12 28 5 6 14 22 13 5 7 1982 23.0 22.0 28.0 37.0 39.0 43.5 44.0 44.6 39.6 37.4 29.6 25.6 44.6 DAY 29 1 18 28 20 15 30 1 14 1 10 30 1983 28.6 28.4 28.0 35.4 39.4 45.2 44.8 42.0 43.6 38.4 32.0 26.0 45.2 DAY 3 26 22 23 18 29 8 3 8 5 1 9 1984 23.0 29.2 32.2 36.5 41.0 41.5 41.0 43.0 38.4 35.4 30.0 26.0 43.0 DAY 28 14 9 24 29 7 31 8 9 7 3 14 1985 25.0 29.6 33.8 37.0 39.6 44.0 45.0 39.0 39.6 36.0 29.0 26.0 45.0 DAY 24 16 24 23 21 8 28 1 8 2 13 3 1986 25.0 23.6 29.0 36.6 40.6 44.4 41.5 39.6 37.2 38.0 31.0 25.6 44.4 DAY 15 10 25 20 16 22 27 1 29 5 10 28 1987 28.2 28.6 29.8 38.2 40.0 43.0 43.6 41.8 41.4 37.4 32.5 30.2 43.6 DAY 27 28 11 27 28 6 9 29 2 7 8 24 1988 23.0 26.0 33.0 37.0 43.2 45.8 45.0 42.0 42.0 35.6 33.2 25.0 45.8 DAY 7 2 31 13 29 25 18 5 1 21 11 12 1989 21.0 23.6 29.6 36.0 42.6 43.0 43.0 40.6 40.4 37.0 32.2 28.0 43.0 DAY 24 23 27 18 31 3 9 12 19 1 17 2 1990 23.6 25.0 34.6 37.4 41.6 44.0 44.0 44.0 41.4 37.4 32.0 25.6 44.0 DAY 25 3 14 15 23 27 5 11 2 2 12 5 1991 24.5 25.8 29.0 36.2 42.6 44.8 46.0 42.6 41.2 33.0 30.4 28.2 46.0 DAY 24 4 25 25 30 7 10 7 9 23 4 13 1992 23.0 28.2 27.5 33.6 37.8 43.4 42.5 42.0 38.2 32.6 29.5 24.6 43.4 DAY 2 24 18 15 20 25 6 11 26 14 25 18 1993 24.4 24.5 30.0 35.4 41.0 45.6 42.4 40.8 38.4 37.2 32.0 22.6 45.6 DAY 31 21 8 22 27 21 5 23 14 2 2 30 1994 28.0 30.6 32.5 37.0 39.4 44.5 43.5 43.8 39.0 34.2 31.4 28.6 44.5 DAY 3 1 31 25 16 29 20 3 1 1 8 1 1995 25.4 26.0 31.0 34.6 39.0 44.0 44.5 41.8 39.0 36.6 31.8 18.4 44.5 DAY 18 6 26 20 7 16 7 23 11 5 3 4 1996 23.0 28.0 28.4 37.4 40.4 43.2 42.0 40.0 41.4 34.2 28.0 26.2 43.2 DAY 7 10 23 25 31 6 8 8 9 14 7 15 1997 25.0 30.2 28.4 33.6 38.2 43.6 44.2 42.6 41.0 38.2 29.4 22.8 44.2 DAY 28 22 4 28 24 18 7 15 2 7 5 14 1998 24.0 28.2 33.6 36.4 40.4 40.6 46.6 43.0 40.6 38.0 29.4 27.6 46.6 DAY 6 10 30 19 22 3 9 23 7 1 1 1 1999 24.2 28.0 33.6 36.6 39.8 45.4 44.6 41.4 39.6 34.4 32.2 23.8 45.4 DAY 17 20 27 5 14 29 9 31 15 13 1 16 2000 28.0 28.6 33.6 38.6 43.4 43.8 42.0 39.6 40.4 37.4 31.0 27.0 43.8 DAY 29 28 24 22 30 25 8 4 2 2 3 24 2001 23.0 27.0 30.6 38.8 41.6 45.2 44.6 42.6 42.0 37.0 31.6 28.8 45.2 DAY 4 15 10 28 18 30 3 31 1 2 7 6 2002 24.8 27.6 32.6 39.6 41.6 43.8 44.2 42.6 39.0 35.6 33.0 26.2 44.2 DAY 8 12 27 29 25 30 1 9 17 6 13 9 2003 26.6 27.6 31.0 39.0 39.6 43.4 44.2 45.0 39.6 38.0 34.0 27.6 45.0 DAY 15 23 19 29 19 28 27 1 12 4 1 6 2004 25.8 31.8 34.8 37.4 40.0 43.4 42.6 45.0 39.8 35.2 30.6 27.2 45.0 DAY 6 15 8 24 13 11 25 13 6 14 23 14 2005 25.2 26.4 34.4 38.0 38.0 47.6 45.0 43.0 41.4 38.0 31.2 28.4 47.6 DAY 3 2 12 27 17 26 15 24 6 1 6 7 1956-2005 30.0 31.8 36.0 39.6 44.0 47.6 46.6 47.0 43.6 40.0 34.0 32.0 47.6 YEAR-DAY 66-31 4-15 68-15 2-29 70-31 5-26 98- 9 70- 7 83- 8 80- 5 3- 1 78- 9 5 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 8 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M 0C COOLING DEGREE DAYS (BASE 21) YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ***** ***** ***** ***** 247.5 297.5 342.0 254.0 234.0 45.0 2.0 0.0 ****** 1957 0.0 0.0 1.0 24.5 117.0 249.5 313.0 260.5 141.5 64.5 0.0 0.0 1171.5 1958 0.0 0.0 18.0 135.0 184.5 325.0 341.5 301.5 229.0 84.0 1.0 0.5 1620.0 1959 0.0 0.0 22.5 120.0 190.0 305.5 337.0 404.0 285.0 140.0 0.0 0.0 1804.0 1960 0.0 1.0 2.0 40.0 168.5 345.5 362.5 323.0 201.0 73.0 2.5 0.0 1519.0 1961 0.0 0.0 7.0 40.0 218.5 272.5 351.5 280.0 269.0 83.0 0.0 0.0 1521.5 1962 0.0 1.5 13.5 39.5 196.5 269.5 303.0 237.0 128.5 65.0 3.0 0.0 1257.0 1963 0.0 6.0 10.0 89.0 169.5 351.5 350.0 315.5 213.5 129.0 14.0 0.0 1648.0 1964 0.0 0.0 35.5 20.5 48.5 294.5 349.0 320.0 147.0 45.0 0.5 0.0 ****** 1965 0.0 0.5 14.0 40.0 216.0 310.0 367.5 268.5 200.0 162.5 17.5 0.0 1596.5 1966 2.5 4.0 19.5 60.5 239.5 378.5 356.0 311.0 242.0 94.5 0.0 0.0 1708.0 1967 0.0 0.0 9.5 40.0 203.0 284.5 396.5 310.0 266.0 88.5 2.0 0.0 1600.0 1968 0.0 0.0 32.0 59.5 159.0 330.5 350.5 350.5 245.5 110.0 0.5 0.0 1638.0 1969 1.0 0.0 65.5 90.0 229.5 331.0 422.0 303.0 200.0 152.0 0.5 0.0 1794.5 1970 0.0 0.0 7.0 137.5 265.0 365.5 399.5 403.0 209.0 133.0 2.0 0.0 1921.5 1971 0.0 0.0 27.0 77.0 272.0 369.5 338.5 341.5 135.5 67.0 1.5 0.0 1629.5 1972 0.0 0.0 4.5 60.5 160.0 353.0 352.0 252.0 214.0 90.5 12.0 0.0 1498.5 1973 0.0 1.0 27.0 111.5 268.0 394.5 410.5 307.5 231.5 81.0 13.5 0.0 1846.0 1974 0.0 0.0 43.0 104.0 227.0 338.5 360.0 323.0 239.5 2.0 9.5 0.0 1646.5 1975 0.0 1.0 15.5 61.0 225.5 301.0 371.0 321.5 215.0 90.0 1.5 0.0 1603.0 1976 3.5 1.0 0.0 55.5 240.0 304.5 408.0 304.0 263.5 127.5 0.0 0.0 1707.5 1977 0.0 0.0 61.5 86.0 255.0 398.5 429.5 350.5 191.0 136.0 11.0 1.5 1920.5 1978 0.0 0.0 14.5 139.0 248.5 365.0 364.5 323.0 227.5 100.5 9.0 13.0 1804.5 1979 0.0 0.0 6.0 154.5 162.5 370.5 387.0 289.5 199.5 155.0 11.5 0.0 1736.0 1980 0.0 0.5 17.0 157.5 262.0 372.5 345.5 355.5 238.0 118.0 7.0 0.0 1873.5 1981 0.0 0.5 29.5 139.0 244.5 334.0 373.0 298.5 184.0 56.0 10.0 0.0 1669.0 1982 0.0 0.0 0.3 78.1 228.9 359.3 360.4 367.3 218.3 109.6 2.8 0.0 1725.3 1983 0.1 0.0 0.0 65.8 271.9 394.0 413.7 390.6 295.9 68.1 7.1 0.0 1907.5 1984 0.0 0.5 22.6 103.3 204.6 319.6 337.6 400.6 211.7 41.7 4.7 0.0 1647.0 1985 0.0 2.2 21.4 102.7 225.5 374.7 428.2 280.8 224.7 96.2 1.8 0.0 1758.2 1986 0.0 0.0 2.5 93.9 283.6 387.5 360.2 296.1 184.2 149.0 14.8 0.0 1771.9 1987 0.0 0.0 11.1 133.4 249.4 325.2 372.9 369.0 315.9 90.0 17.1 1.6 1885.7 1988 0.0 0.0 20.1 111.5 311.0 389.1 456.5 366.0 290.9 104.2 27.5 0.0 2077.0 1989 0.0 0.0 8.9 83.2 223.1 391.3 401.5 309.6 238.8 140.8 12.8 0.0 1810.2 1990 0.0 0.0 23.0 112.1 309.2 378.7 404.7 408.1 274.1 117.0 16.3 0.0 2043.3 1991 0.0 0.0 3.4 99.6 238.3 365.5 411.8 363.4 248.4 69.6 11.7 4.2 1816.1 1992 0.0 0.3 2.5 75.8 167.9 379.9 384.7 331.2 184.2 77.7 4.8 0.0 1609.1 1993 0.0 0.0 4.7 97.9 260.6 363.8 368.6 319.2 237.7 53.2 25.0 0.0 1730.9 1994 0.0 0.0 9.2 92.6 246.7 388.0 421.8 408.3 161.9 64.4 30.9 2.8 1826.8 1995 0.0 1.0 7.1 69.7 206.6 350.8 456.5 379.8 248.9 108.1 19.4 0.0 1847.9 1996 0.0 1.1 3.9 104.4 216.5 363.1 348.5 335.6 291.3 96.2 0.0 0.0 1760.6 1997 0.0 5.5 0.8 57.8 199.9 350.2 453.9 378.6 284.5 129.1 6.0 0.0 1866.3 1998 0.0 1.6 42.6 138.4 263.1 309.0 424.1 373.2 278.8 121.4 11.4 1.1 1964.7 1999 0.0 2.7 21.1 134.6 265.2 420.7 414.4 352.7 277.7 135.5 14.4 0.0 2039.0 2000 0.0 1.8 16.7 192.4 386.3 347.2 344.7 329.6 297.1 120.0 15.0 0.0 2050.8 2001 0.0 0.0 19.6 179.5 347.7 382.3 445.1 356.3 283.1 143.7 11.6 4.0 2172.9 2002 0.0 2.1 44.4 127.7 313.9 396.2 412.5 398.0 274.0 156.4 9.7 0.0 2134.9 2003 0.0 5.2 18.1 144.7 200.5 388.6 458.2 364.9 260.1 146.1 13.9 0.5 2000.8 2004 0.0 8.9 56.3 105.7 282.5 384.5 379.5 383.1 243.2 86.9 25.6 0.8 1957.0 2005 0.0 0.0 40.2 156.3 228.2 393.1 452.0 397.1 321.0 178.6 10.0 0.9 2177.4 MEAN 0.1 1.0 18.4 96.8 231.0 350.3 383.9 335.3 233.9 101.9 8.9 0.6 1762.1 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 9 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M 0C HEATING DEGREE DAYS (BASE 18) YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ***** ***** ***** ***** 0.0 0.0 0.0 0.0 0.0 0.0 23.0 218.5 ****** 1957 298.0 162.0 37.5 20.0 0.0 0.0 0.0 0.0 0.0 4.5 112.0 179.5 813.5 1958 172.5 133.5 12.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 169.0 166.5 653.5 1959 257.0 177.5 41.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 83.0 275.5 834.5 1960 167.5 54.0 125.0 15.0 0.0 0.0 0.0 0.0 0.0 0.0 82.5 226.5 670.5 1961 247.5 165.0 35.0 28.0 0.0 0.0 0.0 0.0 0.0 18.0 58.5 135.5 687.5 1962 231.5 84.5 17.0 1.5 0.0 0.0 0.0 0.0 0.0 0.0 129.5 189.0 653.0 1963 145.5 67.5 42.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 65.0 224.0 544.5 1964 429.0 136.0 11.5 0.0 0.0 0.0 0.0 0.0 0.0 13.0 56.5 345.0 ****** 1965 223.5 131.5 55.0 5.0 0.0 0.0 0.0 0.0 0.0 0.0 26.5 179.5 621.0 1966 107.5 68.5 50.0 5.5 0.0 0.0 0.0 0.0 0.0 0.0 97.0 149.0 477.5 1967 219.5 130.0 59.0 23.0 0.0 0.0 0.0 0.0 0.0 4.5 23.0 228.5 687.5 1968 192.0 199.5 38.0 6.5 0.0 0.0 0.0 0.0 0.0 1.0 18.0 132.5 587.5 1969 246.5 182.0 6.5 3.5 0.0 0.0 0.0 0.0 0.0 0.0 123.0 102.0 663.5 1970 222.0 77.5 70.5 0.0 0.0 0.0 0.0 0.0 0.0 3.5 10.5 186.0 570.0 1971 264.5 134.0 45.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 22.0 126.0 592.0 1972 300.0 316.0 56.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 27.0 277.5 976.5 1973 374.0 79.5 38.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 76.0 218.5 786.5 1974 291.0 248.0 58.0 4.5 0.0 0.0 0.0 0.0 0.0 6.5 47.5 225.0 880.5 1975 260.0 144.5 71.5 21.0 0.0 0.0 0.0 0.0 0.0 13.0 86.5 226.5 823.0 1976 167.5 209.5 115.0 8.0 0.0 0.0 0.0 0.0 0.0 0.0 115.5 201.5 817.0 1977 325.0 109.5 0.0 6.0 0.0 0.0 0.0 0.0 0.0 3.0 44.0 127.5 615.0 1978 205.0 125.0 58.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 101.5 91.5 581.5 1979 176.5 101.0 102.5 6.0 0.0 0.0 0.0 0.0 0.0 0.0 69.5 160.0 615.5 1980 213.5 133.5 36.5 0.0 0.0 0.0 0.0 0.0 0.0 1.5 26.5 152.5 564.0 1981 195.5 99.0 21.0 4.0 1.0 0.0 0.0 0.0 0.0 10.0 36.0 101.5 468.0 1982 224.4 201.4 71.0 0.6 0.0 0.0 0.0 0.0 0.0 3.6 101.5 282.2 884.7 1983 247.9 155.1 99.1 25.9 0.0 0.0 0.0 0.0 0.0 0.0 17.9 205.9 751.7 1984 250.8 247.9 10.7 0.0 0.0 0.0 0.0 0.0 0.0 13.9 13.0 289.0 825.3 1985 176.9 68.8 101.4 2.3 0.0 0.0 0.0 0.0 0.0 0.0 33.2 161.8 544.4 1986 211.0 151.1 105.9 0.0 0.0 0.0 0.0 0.0 0.0 0.0 85.8 243.5 797.3 1987 166.8 93.8 25.4 6.2 0.0 0.0 0.0 0.0 0.0 23.3 43.5 129.9 488.8 1988 222.2 157.8 30.5 5.5 0.0 0.0 0.0 0.0 0.0 0.0 45.2 87.7 548.9 1989 306.1 244.3 44.2 5.7 1.9 0.0 0.0 0.0 0.0 0.0 13.7 127.7 743.6 1990 237.7 147.1 59.6 0.5 0.0 0.0 0.0 0.0 0.0 0.0 23.7 154.1 622.6 1991 214.6 176.2 61.4 3.4 0.0 0.0 0.0 0.0 0.0 0.0 36.9 132.1 624.7 1992 257.6 136.8 109.9 15.9 0.3 0.0 0.0 0.0 0.0 0.0 21.2 135.1 676.8 1993 290.9 108.0 73.3 0.0 0.0 0.0 0.0 0.0 0.0 3.1 58.6 176.4 710.2 1994 200.4 123.6 19.2 6.7 0.0 0.0 0.0 0.0 0.0 2.2 0.5 200.9 553.4 1995 164.9 122.0 71.5 4.6 0.0 0.0 0.0 0.0 0.0 2.1 41.9 241.5 648.5 1996 284.5 111.1 47.3 12.1 0.0 0.0 0.0 0.0 0.0 1.0 95.9 149.0 700.9 1997 182.2 151.5 49.9 6.3 0.0 0.0 0.0 0.0 0.0 0.0 63.7 174.4 627.9 1998 210.9 136.6 45.6 1.9 0.0 0.0 0.0 0.0 0.0 0.0 3.4 44.2 442.5 1999 223.6 71.1 67.2 1.0 0.0 0.0 0.0 0.0 0.0 0.0 29.1 172.8 564.8 2000 180.4 151.7 52.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 91.8 136.8 612.8 2001 240.4 125.5 23.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 31.0 66.9 486.8 2002 187.3 91.5 30.4 0.4 0.0 0.0 0.0 0.0 0.0 0.0 56.9 193.3 559.8 2003 169.5 71.2 52.2 1.4 0.0 0.0 0.0 0.0 0.0 0.0 82.6 176.7 553.6 2004 144.6 66.9 17.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 18.2 199.8 446.6 2005 209.7 169.8 24.2 8.1 0.0 0.0 0.0 0.0 0.0 0.0 49.0 106.3 567.1 MEAN 227.3 137.7 50.9 5.4 0.1 0.0 0.0 0.0 0.0 2.6 55.7 176.7 656.4 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 10 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF DEW POINT TEMPERATURE IN C. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ***** ***** ***** ***** ***** 9.4 15.0 7.4 7.5 3.5 2.2 0.4 ****** 1957 2.1 1.8 6.2 8.3 11.9 12.3 10.8 10.0 5.4 8.3 5.8 2.4 7.1 1958 3.0 -0.4 4.5 7.8 7.2 12.0 11.9 10.7 8.5 5.0 -0.6 3.2 6.1 1959 1.4 0.5 3.6 8.3 10.8 9.2 10.1 13.1 9.2 6.8 2.9 -0.7 6.3 1960 0.5 2.9 2.9 7.5 7.8 12.0 12.7 9.9 7.4 4.9 2.5 -2.1 5.7 1961 0.1 -0.4 3.3 6.9 9.9 8.3 10.3 8.6 10.2 3.7 2.2 0.6 5.3 1962 -1.9 1.1 3.5 7.9 8.0 10.8 8.9 8.5 4.8 4.0 -0.1 0.2 4.6 1963 1.1 4.8 4.7 10.0 11.9 12.2 12.0 11.1 7.2 6.9 2.6 -2.0 6.9 1964 -2.6 4.5 9.0 11.2 14.6 15.6 17.5 16.6 11.5 7.8 6.1 -1.1 9.2 1965 3.6 3.4 6.2 10.4 14.3 17.4 17.1 17.4 9.1 4.3 0.2 -4.6 8.2 1966 -1.8 1.2 0.4 5.1 6.8 5.7 6.9 10.6 9.2 8.4 -0.5 -0.1 4.3 1967 -1.2 2.3 4.1 8.6 9.9 10.8 14.3 11.2 11.4 6.9 6.1 0.8 7.1 1968 1.0 2.4 4.6 8.2 10.9 13.9 9.9 10.2 9.0 6.1 7.3 4.3 7.3 1969 0.6 2.4 5.4 3.7 6.5 4.9 8.9 7.2 6.8 5.2 0.8 -0.9 4.3 1970 0.2 2.4 4.0 5.1 6.7 7.3 8.7 11.2 8.6 5.3 -0.4 -2.2 4.7 1971 -6.0 -2.4 -2.3 2.8 8.1 6.2 4.3 4.5 -1.4 -0.4 2.0 -2.0 1.1 1972 -2.1 -5.9 2.3 3.4 3.9 7.4 5.0 3.3 3.7 -0.1 1.0 -4.7 1.4 1973 -6.6 -2.1 -1.6 1.1 2.5 4.7 7.1 4.8 5.6 4.1 -2.8 -4.1 1.0 1974 -1.4 0.4 4.8 4.9 9.6 11.0 13.3 8.2 6.5 -0.1 0.6 0.2 4.8 1975 -3.0 -1.0 0.6 5.2 7.5 8.6 9.1 6.6 5.3 4.9 2.8 -1.4 3.7 1976 0.1 1.3 3.8 9.0 8.8 8.3 9.6 5.9 7.5 8.4 -1.2 0.2 5.1 1977 -1.1 -0.8 3.3 7.3 8.4 9.4 12.9 11.8 5.9 6.5 3.1 0.8 5.6 1978 0.1 1.8 3.8 7.0 13.4 9.9 11.3 7.2 5.4 4.7 3.4 0.6 5.7 1979 0.7 1.4 2.3 4.6 6.0 7.8 6.0 5.2 2.9 7.6 -2.4 0.8 3.6 1980 -0.8 0.0 1.9 3.4 6.2 5.7 2.5 5.7 5.0 5.1 3.0 -0.5 3.1 1981 0.4 0.8 4.0 4.1 7.9 8.7 10.2 7.2 4.5 3.7 -0.1 1.0 4.4 1982 -1.9 -2.8 2.1 5.0 7.7 6.3 7.1 8.9 4.9 7.4 1.8 0.3 3.9 1983 -1.7 -0.3 1.0 5.1 8.3 9.5 10.6 12.7 7.7 1.3 0.6 -0.7 4.5 1984 -1.9 -4.1 3.0 2.8 3.6 5.8 6.8 10.4 5.3 -1.8 1.1 -2.6 2.4 1985 1.8 -4.4 -1.2 -0.7 3.9 2.9 7.9 3.6 -4.8 -1.4 -0.6 -1.2 0.5 1986 -7.5 -1.8 -0.4 5.8 5.8 5.7 2.8 1.5 0.8 -0.5 0.5 -0.4 1.0 1987 -5.3 -3.0 3.0 8.8 9.1 0.7 4.3 6.8 5.5 -0.8 -3.8 -6.8 1.5 1988 -3.4 -0.9 -1.1 1.4 4.6 5.7 8.4 8.0 7.5 1.8 -4.6 -2.6 2.1 1989 -5.1 -5.0 1.4 2.4 -0.8 0.9 4.7 2.0 0.3 -2.6 1.5 -2.0 -0.2 1990 -1.7 -1.1 -4.5 -1.2 1.5 1.9 6.1 6.2 2.9 -0.0 -2.4 -3.4 0.4 1991 -0.1 -3.3 4.2 1.1 3.1 1.6 6.5 3.6 1.0 1.8 -0.4 0.6 1.6 1992 -1.8 -3.7 -2.3 2.9 5.9 7.1 3.4 2.4 0.6 -0.0 -4.5 -0.0 0.8 1993 -2.3 0.8 -1.8 3.2 3.3 4.2 1.4 1.6 2.9 -1.2 -1.1 -3.8 0.6 1994 -5.3 -4.7 1.4 3.4 5.1 8.6 8.1 8.6 2.1 6.7 2.7 -4.5 2.7 1995 -0.7 -1.2 -0.5 3.7 0.0 2.6 4.6 -0.4 -2.2 -1.0 -8.4 -0.4 -0.3 1996 -1.8 0.1 4.1 0.7 4.8 3.9 1.9 -0.5 0.3 -3.5 -5.5 -6.9 -0.2 1997 -3.2 -7.5 -1.5 1.5 3.0 6.3 4.4 1.9 0.0 4.7 3.8 0.7 1.2 1998 -1.4 -1.6 2.0 2.1 2.4 2.8 4.9 4.3 2.5 -1.6 -4.8 -6.2 0.5 1999 -2.8 1.4 0.3 0.3 0.9 4.2 5.0 1.5 2.2 -1.4 0.5 -7.6 0.4 2000 -3.6 -5.3 -4.1 -1.2 0.1 -1.4 0.8 -0.7 2.7 1.4 -1.1 -2.3 -1.2 2001 -5.0 -5.5 0.1 -0.1 2.7 2.8 5.1 0.8 2.9 -1.5 -2.7 2.5 0.2 2002 -2.4 -2.7 -4.0 1.1 3.0 3.3 3.9 3.9 -1.8 0.0 1.4 -2.7 0.3 2003 -2.6 -1.4 -2.4 1.6 1.0 4.0 7.4 4.3 0.6 -0.9 -4.1 -5.0 0.2 2004 0.4 -4.7 -3.7 1.5 1.9 2.5 3.0 2.1 1.5 4.7 1.4 -1.0 0.8 2005 -1.7 -0.8 4.0 2.2 5.2 4.2 7.2 7.6 3.3 -0.4 -1.3 -5.2 2.0 MEAN -1.5 -0.8 1.7 4.4 6.2 6.9 7.9 6.7 4.5 2.9 0.3 -1.4 3.1 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 11 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF MIXING RATIO IN G/KG YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ***** ***** ***** ***** ***** 8.59 12.69 7.41 7.50 5.65 5.19 4.50 ***** 1957 5.08 5.04 6.84 7.84 10.19 10.35 9.52 8.97 6.57 7.89 6.65 5.25 7.52 1958 5.48 4.23 6.08 7.68 7.29 10.27 10.43 9.46 8.15 6.36 4.25 5.54 7.10 1959 4.85 4.54 5.76 7.88 9.35 8.50 9.18 11.03 8.61 7.14 5.42 4.09 7.20 1960 4.55 5.38 5.46 7.45 7.77 10.31 10.95 9.01 7.62 6.22 5.29 3.73 6.98 1961 4.40 4.28 5.61 7.15 8.82 8.01 9.15 8.25 9.23 5.86 5.29 4.60 6.72 1962 3.84 4.88 5.69 7.85 7.82 9.47 8.29 8.12 6.37 5.90 4.48 4.49 6.43 1963 4.76 6.23 6.30 8.93 10.18 10.59 10.32 9.54 7.39 7.21 5.38 3.83 7.56 1964 3.67 6.15 8.31 9.59 12.06 13.09 14.69 13.87 9.92 7.82 6.89 4.06 9.18 1965 5.75 5.64 6.98 9.16 11.96 14.55 14.39 14.70 9.05 5.98 4.49 3.14 8.82 1966 3.84 4.76 4.57 6.35 7.32 6.82 7.32 9.45 8.76 7.89 4.36 4.44 6.32 1967 4.08 5.26 5.92 8.07 8.95 9.53 12.06 9.87 9.84 7.24 6.79 4.74 7.69 1968 4.80 5.32 6.37 7.80 9.72 11.68 9.16 9.16 8.41 6.81 7.33 6.05 7.72 1969 4.68 5.40 6.47 5.84 7.16 6.35 8.63 7.38 7.18 6.38 4.99 4.13 6.22 1970 4.46 5.23 5.87 6.33 7.24 7.54 8.36 10.07 8.15 6.66 4.30 3.89 6.51 1971 2.92 3.79 3.94 5.49 7.77 6.99 6.06 6.24 4.12 4.37 5.02 3.86 5.05 1972 3.83 2.95 5.27 5.66 5.83 7.50 6.45 5.68 5.92 4.41 4.71 3.27 5.12 1973 2.83 3.85 4.08 4.77 5.25 6.31 7.59 6.35 6.71 5.88 3.63 3.29 5.05 1974 4.02 4.62 6.20 6.33 8.69 9.65 11.15 8.15 7.16 4.38 4.55 4.52 6.62 1975 3.67 4.15 4.66 6.45 7.53 8.03 8.39 7.22 6.42 6.26 5.33 4.04 6.01 1976 4.42 4.94 5.87 8.20 8.16 7.85 8.88 6.77 7.44 7.86 4.20 4.45 6.59 1977 4.15 4.09 5.63 7.51 7.97 8.58 10.91 10.35 6.64 6.90 5.52 4.67 6.91 1978 4.51 4.97 5.75 7.19 11.34 8.91 9.84 7.30 6.61 6.09 5.72 4.69 6.91 1979 4.73 4.86 5.38 6.14 6.83 7.61 6.80 6.41 5.44 7.46 4.02 4.65 5.86 1980 4.14 4.56 5.25 5.71 6.85 6.64 5.32 6.78 6.30 6.28 5.43 4.21 5.62 1981 4.61 4.68 5.83 5.92 7.65 8.12 9.15 7.38 6.09 5.83 4.45 4.65 6.20 1982 3.89 3.66 5.22 6.56 7.68 6.88 7.44 8.49 6.34 7.55 5.23 4.52 6.12 1983 3.90 4.37 4.77 6.32 7.88 8.60 9.43 10.78 7.84 4.87 4.60 4.17 6.46 1984 3.85 3.38 5.49 5.46 5.76 6.73 7.26 9.36 6.73 4.03 4.79 3.77 5.55 1985 4.96 3.35 4.23 4.41 5.92 5.81 7.96 6.03 3.30 4.07 4.22 4.12 4.86 1986 2.54 3.90 4.33 6.66 6.96 6.93 5.58 5.12 4.75 4.25 4.60 4.40 5.00 1987 3.00 3.63 5.50 8.49 8.63 4.89 6.14 7.28 6.50 4.44 3.32 2.79 5.38 1988 3.59 4.30 4.21 5.18 6.39 6.93 8.27 7.87 7.62 5.02 3.18 3.76 5.53 1989 3.05 3.20 4.95 5.37 4.30 4.91 6.34 5.14 4.62 3.66 5.04 3.92 4.54 1990 3.91 4.17 3.26 4.17 5.03 5.12 7.00 6.94 5.52 4.42 3.76 3.41 4.73 1991 4.47 3.65 6.08 4.91 5.59 5.05 7.25 6.46 4.81 5.01 4.25 4.61 5.18 1992 4.00 3.51 3.95 5.46 6.79 7.48 5.94 5.58 4.78 4.54 3.19 4.53 4.98 1993 3.75 4.79 4.11 5.65 5.58 6.18 4.95 5.14 5.75 4.17 4.20 3.27 4.80 1994 3.10 3.24 5.01 6.05 6.48 8.66 8.16 8.51 5.33 7.11 5.38 3.36 5.87 1995 4.17 4.17 4.56 5.91 4.73 5.42 6.44 4.44 4.06 4.31 2.53 4.32 4.59 1996 3.85 4.55 6.02 4.89 6.29 6.09 5.05 4.30 4.66 3.69 2.95 2.65 4.58 1997 3.49 2.74 4.09 5.32 5.44 7.01 6.27 5.26 4.48 6.16 5.80 4.62 5.06 1998 4.07 4.03 5.18 5.22 5.26 5.43 6.32 6.11 5.52 4.20 3.13 2.93 4.78 1999 3.65 4.98 4.64 4.65 4.75 6.08 6.64 4.91 5.32 4.00 4.60 2.55 4.73 2000 3.59 3.03 3.52 4.06 4.47 4.06 4.70 4.23 5.43 4.88 4.17 3.80 4.16 2001 3.06 3.04 4.52 4.38 5.38 5.72 6.60 4.91 5.42 4.05 3.64 5.20 4.66 2002 3.81 3.84 3.46 4.85 5.46 5.66 5.89 5.98 3.99 4.36 4.95 3.76 4.67 2003 3.71 4.09 4.03 5.03 4.89 5.87 7.95 6.06 4.58 4.13 3.40 3.25 4.75 2004 4.61 3.20 3.43 5.00 5.03 5.30 5.48 5.18 4.92 6.11 4.88 4.08 4.77 2005 3.95 4.39 6.09 5.29 6.45 6.12 7.27 7.59 5.64 4.27 3.98 2.97 5.33 MEAN 4.04 4.31 5.20 6.26 7.16 7.58 8.12 7.53 6.39 5.60 4.67 4.07 5.91 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 12 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF VAPOUR PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ***** ***** ***** ***** ***** 12.04 17.66 10.46 10.61 8.07 7.43 6.45 ***** 1957 7.25 7.20 9.72 11.11 14.35 14.54 13.36 12.72 9.38 11.23 9.49 7.50 10.65 1958 7.83 6.06 8.66 10.90 10.36 14.42 14.56 13.29 11.51 9.07 6.10 7.92 10.06 1959 6.94 6.47 8.20 11.17 13.19 11.97 12.85 15.39 12.11 10.14 7.74 5.88 10.17 1960 6.52 7.68 7.77 10.57 10.98 14.43 15.27 12.63 10.78 8.87 7.56 5.36 9.87 1961 6.31 6.11 7.98 10.14 12.44 11.28 12.80 11.59 12.96 8.35 7.56 6.58 9.51 1962 5.50 6.96 8.09 11.10 11.04 13.31 11.63 11.43 9.02 8.42 6.43 6.43 9.11 1963 6.81 8.87 8.93 12.60 14.30 14.84 14.43 13.39 10.46 10.26 7.69 5.48 10.67 1964 5.26 8.75 11.77 13.51 16.93 18.21 20.37 19.26 13.96 11.12 9.83 5.83 12.90 1965 8.19 8.03 9.92 12.92 16.79 20.27 19.99 20.50 12.77 8.53 6.43 4.51 12.41 1966 5.51 6.79 6.51 9.02 10.36 9.62 10.29 13.27 12.38 11.23 6.27 6.36 8.97 1967 5.85 7.50 8.40 11.43 12.64 13.38 16.79 13.82 13.85 10.33 9.68 6.77 10.87 1968 6.84 7.60 9.05 11.06 13.72 16.34 12.83 12.86 11.90 9.71 10.47 8.63 10.92 1969 6.69 7.72 9.20 8.30 10.13 8.97 12.09 10.42 10.19 9.09 7.14 5.93 8.82 1970 6.38 7.46 8.36 9.01 10.24 10.62 11.72 14.07 11.51 9.48 6.16 5.57 9.22 1971 4.20 5.40 5.63 7.79 10.96 9.81 8.53 8.79 5.87 6.24 7.18 5.52 7.16 1972 5.48 4.23 7.50 8.04 8.26 10.55 9.07 8.03 8.41 6.31 6.74 4.70 7.28 1973 4.06 5.50 5.81 6.79 7.44 8.87 10.63 8.96 9.51 8.39 5.20 4.72 7.16 1974 5.75 6.59 8.82 8.96 12.25 13.53 15.56 11.44 10.13 6.28 6.53 6.46 9.36 1975 5.25 5.92 6.64 9.15 10.65 11.29 11.76 10.14 9.09 8.90 7.63 5.79 8.52 1976 6.31 7.04 8.34 11.60 11.53 11.06 12.41 9.54 10.53 11.15 6.02 6.37 9.33 1977 5.94 5.87 8.02 10.62 11.26 12.03 15.20 14.49 9.42 9.83 7.88 6.68 9.77 1978 6.44 7.09 8.18 10.18 15.90 12.49 13.76 10.28 9.36 8.70 8.17 6.71 9.77 1979 6.76 6.93 7.64 8.73 9.68 10.74 9.58 9.05 7.74 10.62 5.75 6.65 8.32 1980 5.92 6.51 7.47 8.11 9.69 9.36 7.51 9.55 8.94 8.93 7.76 6.03 7.98 1981 6.58 6.68 8.28 8.39 10.82 11.42 12.82 10.39 8.65 8.33 6.37 6.66 8.78 1982 5.57 5.21 7.42 9.29 10.88 9.70 10.45 11.90 8.99 10.73 7.46 6.48 8.67 1983 5.59 6.24 6.80 8.97 11.13 12.09 13.20 15.07 11.06 6.95 6.59 5.98 9.14 1984 5.51 4.85 7.82 7.76 8.15 9.47 10.20 13.10 9.53 5.77 6.84 5.40 7.87 1985 7.08 4.76 6.02 6.26 8.39 8.18 11.15 8.51 4.70 5.81 6.05 5.89 6.90 1986 3.64 5.57 6.16 9.45 9.84 9.74 7.86 7.25 6.76 6.08 6.56 6.28 7.10 1987 4.29 5.19 7.80 12.00 12.18 6.91 8.67 10.25 9.21 6.35 4.77 4.00 7.63 1988 5.14 6.13 5.98 7.35 9.02 9.75 11.57 11.05 10.75 7.17 4.56 5.37 7.82 1989 4.36 4.57 7.03 7.64 6.11 6.93 8.92 7.27 6.56 5.23 7.20 5.60 6.45 1990 5.59 5.94 4.66 5.92 7.12 7.23 9.83 9.77 7.81 6.32 5.39 4.88 6.71 1991 6.39 5.22 8.63 6.98 7.91 7.13 10.17 9.09 6.84 7.15 6.10 6.59 7.35 1992 5.71 5.00 5.62 7.75 9.61 10.52 8.35 7.87 6.79 6.48 4.58 6.47 7.06 1993 5.37 6.83 5.86 8.02 7.92 8.71 6.99 7.27 8.14 5.97 6.01 4.70 6.82 1994 4.44 4.62 7.13 8.58 9.18 12.09 11.40 11.90 7.57 10.14 7.68 4.81 8.30 1995 5.97 5.94 6.49 8.39 6.71 7.66 9.03 6.27 5.77 6.16 3.62 6.19 6.52 1996 5.52 6.49 8.54 6.94 8.92 8.59 7.14 6.08 6.60 5.27 4.24 3.82 6.51 1997 4.99 3.92 5.81 7.55 7.73 9.87 8.80 7.42 6.37 8.78 8.28 6.60 7.18 1998 5.80 5.76 7.36 7.41 7.46 7.69 8.89 8.62 7.83 5.99 4.50 4.21 6.79 1999 5.23 7.11 6.60 6.61 6.73 8.58 9.33 6.94 7.54 5.72 6.57 3.67 6.72 2000 5.12 4.33 5.01 5.78 6.32 5.73 6.64 5.99 7.69 6.96 5.98 5.44 5.92 2001 4.39 4.34 6.44 6.22 7.60 8.05 9.27 6.94 7.70 5.78 5.22 7.45 6.62 2002 5.45 5.49 4.93 6.88 7.73 7.98 8.30 8.43 5.67 6.23 7.09 5.37 6.63 2003 5.31 5.82 5.73 7.16 6.95 8.27 11.12 8.55 6.51 5.91 4.87 4.66 6.74 2004 6.57 4.57 4.91 7.10 7.13 7.48 7.74 7.31 7.00 8.73 7.06 5.92 6.79 2005 5.72 6.33 8.75 7.61 9.25 8.73 10.34 10.81 8.09 6.18 5.78 4.32 7.66 MEAN 5.78 6.15 7.40 8.87 10.12 10.65 11.38 10.59 9.05 7.99 6.69 5.83 8.37 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 13 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF SATURATION DEFICIT PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ***** ***** ***** ***** ***** 34.42 30.22 31.19 29.34 20.61 15.12 8.13 ***** 1957 4.71 8.64 12.90 14.88 21.30 29.21 33.62 29.48 24.44 15.69 7.43 6.57 17.41 1958 6.43 8.92 15.43 22.30 25.62 33.55 34.32 32.13 28.09 19.29 8.54 6.77 20.12 1959 4.85 7.64 14.22 20.33 23.82 34.29 35.78 37.57 31.32 21.66 8.84 5.20 20.46 1960 7.98 11.50 9.98 14.59 24.86 35.94 35.50 34.65 27.26 19.41 10.63 6.93 19.94 1961 6.10 8.43 13.48 14.37 26.12 33.47 37.31 33.09 29.28 18.97 10.58 8.61 19.98 1962 7.12 11.06 14.59 15.84 26.91 35.92 39.94 33.97 28.59 22.28 12.29 8.06 21.38 1963 9.47 11.74 15.43 19.86 24.12 41.94 41.13 37.69 32.70 23.72 13.16 9.01 23.33 1964 3.61 8.07 14.98 18.22 28.45 34.91 36.29 34.78 25.97 15.82 10.26 4.91 19.69 1965 4.79 7.30 10.68 11.69 21.11 26.11 30.03 22.68 25.26 25.34 15.25 9.52 17.48 1966 11.19 11.26 14.99 17.63 29.98 43.37 39.66 32.66 27.98 18.21 10.73 8.70 22.20 1967 7.47 8.36 11.65 13.93 25.15 31.25 36.19 31.42 30.24 18.86 11.34 6.06 19.33 1968 7.30 5.53 13.42 15.37 20.14 31.48 35.52 35.05 27.72 20.08 10.06 7.01 19.06 1969 5.92 6.33 17.77 20.66 31.43 46.03 50.67 40.31 32.46 27.49 11.28 12.51 25.24 1970 7.63 12.29 13.48 27.48 36.73 47.76 47.05 44.99 31.11 25.98 17.63 11.40 26.96 1971 9.24 12.11 19.75 25.00 37.38 48.74 45.38 45.97 32.98 26.39 15.41 12.35 27.56 1972 6.96 7.93 14.44 22.60 30.69 47.41 46.60 38.47 35.74 27.69 17.57 8.71 25.40 1973 6.58 14.72 20.22 29.11 41.15 53.55 50.34 42.01 36.53 25.77 17.09 10.26 28.94 1974 6.39 6.69 16.75 25.60 33.16 42.00 39.58 42.70 36.40 20.10 16.26 7.90 24.46 1975 8.14 11.78 16.10 20.10 34.95 41.05 47.36 43.02 35.43 24.03 12.65 8.89 25.29 1976 10.75 7.62 9.67 18.20 33.99 41.28 48.22 41.84 38.14 24.41 12.37 8.91 24.62 1977 5.39 12.86 23.79 22.52 35.59 50.65 48.62 40.73 33.70 26.13 15.53 11.93 27.29 1978 9.16 11.29 15.46 27.43 32.40 47.07 42.07 43.90 37.11 26.55 12.07 14.83 26.61 1979 9.17 12.02 13.59 30.10 29.81 48.96 51.17 39.88 35.70 27.19 16.70 9.64 26.99 1980 9.17 11.49 17.58 31.87 38.54 50.59 48.64 47.74 37.23 26.51 16.37 10.70 28.87 1981 8.85 12.43 17.97 29.26 35.68 44.43 44.16 40.85 33.92 21.14 17.70 11.86 26.52 1982 9.11 9.41 13.54 22.74 33.25 49.27 46.96 45.42 35.25 22.96 11.85 6.19 25.49 1983 8.69 10.45 12.80 19.75 36.67 50.09 48.39 42.89 39.90 25.19 17.89 7.62 26.69 1984 6.52 7.59 15.85 23.69 30.39 38.85 38.25 40.00 28.84 19.07 14.64 6.06 22.48 1985 7.26 13.92 14.16 24.89 31.53 45.97 47.26 35.80 36.18 24.86 14.60 9.37 25.48 1986 9.78 9.38 11.82 21.17 34.27 45.40 43.14 38.52 30.78 27.74 13.13 6.86 24.33 1987 10.88 12.57 15.12 21.58 29.54 42.88 43.89 41.60 38.32 21.54 16.73 12.73 25.62 1988 8.22 9.05 17.12 24.11 38.76 48.17 48.64 40.41 34.63 23.65 17.78 11.65 26.85 1989 6.79 7.81 13.74 20.98 34.36 48.30 45.31 40.98 36.35 27.77 14.81 10.67 25.66 1990 7.33 9.20 16.67 25.91 39.05 47.10 44.89 45.71 36.24 25.03 16.44 10.53 27.01 1991 6.96 8.99 11.00 23.74 33.21 46.34 46.18 42.43 35.30 21.58 14.47 10.78 25.08 1992 6.86 10.94 12.18 20.20 26.07 43.65 45.16 40.21 30.71 22.25 17.55 9.41 23.77 1993 6.22 9.66 13.45 22.92 34.30 44.48 44.91 40.55 33.15 21.13 14.87 9.58 24.60 1994 9.61 11.62 15.34 21.21 32.52 43.77 45.51 43.16 28.39 17.28 17.42 10.13 24.66 1995 8.91 10.50 13.04 19.89 31.88 44.42 51.72 46.52 35.69 24.50 18.27 6.32 25.97 1996 6.29 10.27 11.81 23.42 29.88 43.82 42.62 42.66 38.70 24.31 13.72 11.17 24.89 1997 9.23 12.25 13.90 19.35 30.47 40.62 51.79 45.31 37.99 23.28 10.81 7.78 25.23 1998 7.99 10.29 16.25 25.93 36.03 40.20 48.41 43.58 36.24 26.36 18.50 14.74 27.04 1999 7.80 11.26 14.62 26.61 36.19 49.49 46.29 42.78 36.50 26.98 15.01 10.64 27.01 2000 9.49 11.33 16.21 32.14 47.14 45.42 43.12 41.93 37.44 24.25 12.40 10.26 27.59 2001 8.24 11.89 17.01 30.72 42.49 45.96 49.93 43.89 37.04 27.51 16.60 10.91 28.51 2002 9.19 12.44 19.58 26.10 39.66 47.47 47.21 45.96 38.04 27.10 12.88 9.19 27.90 2003 9.45 13.69 16.97 26.95 31.40 47.11 48.65 42.19 36.07 27.32 14.44 9.97 27.02 2004 9.43 15.05 21.75 24.66 36.92 46.79 44.64 45.50 34.30 20.81 17.09 8.84 27.15 2005 7.90 8.35 15.71 26.41 30.28 47.51 49.45 43.43 39.56 29.18 15.21 13.02 27.17 MEAN 7.81 10.33 15.06 22.53 32.15 42.97 43.75 40.00 33.53 23.42 14.20 9.40 24.59 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 14 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 *** *** *** *** *** 27 40 26 28 30 35 49 *** 1957 65 49 46 47 43 35 29 31 29 45 61 57 45 1958 59 44 38 35 30 31 31 30 30 34 45 58 39 1959 64 51 40 38 39 27 27 31 29 34 50 58 41 1960 49 44 49 47 33 29 31 28 29 33 45 46 39 1961 54 46 40 46 35 26 27 27 32 32 43 46 38 1962 47 41 39 45 31 28 23 26 25 28 37 47 35 1963 44 47 39 40 40 27 27 27 25 31 38 43 36 1964 63 56 47 44 38 35 37 36 36 42 50 57 45 1965 65 56 51 55 46 45 41 49 35 27 33 35 45 1966 36 42 35 37 27 20 21 30 32 41 38 45 34 1967 47 52 45 48 35 31 33 32 33 38 49 56 42 1968 52 62 43 46 43 37 28 28 32 35 54 58 43 1969 58 59 37 31 27 17 20 22 25 26 40 35 33 1970 50 41 45 27 25 20 21 26 29 28 27 35 31 1971 33 36 26 27 24 17 16 16 16 20 34 33 25 1972 47 41 38 29 22 19 17 18 20 19 29 37 28 1973 41 30 24 21 16 15 19 18 22 26 25 33 24 1974 50 53 40 28 29 25 29 22 23 25 31 47 34 1975 43 37 32 35 26 23 21 20 21 30 40 42 31 1976 41 51 49 43 27 22 22 19 23 33 34 45 34 1977 57 35 27 38 25 20 25 27 23 31 36 39 32 1978 44 42 39 29 35 22 25 20 21 26 44 34 32 1979 46 40 39 26 27 19 16 19 19 30 26 44 29 1980 43 38 32 22 21 16 14 17 20 29 34 40 27 1981 46 38 35 24 27 22 24 21 22 30 28 38 30 1982 41 38 39 33 26 17 19 21 21 34 42 56 32 1983 44 41 38 38 25 21 22 27 23 23 29 50 32 1984 50 44 36 28 23 20 22 26 26 25 34 51 32 1985 54 28 34 23 23 16 20 20 12 21 32 42 27 1986 30 42 39 34 23 19 16 16 19 20 38 54 29 1987 32 33 37 38 32 16 18 21 20 25 25 27 27 1988 42 43 29 26 20 18 20 23 24 25 23 33 27 1989 42 40 38 31 17 13 17 16 16 18 35 37 27 1990 47 43 25 21 17 14 19 18 19 22 26 38 26 1991 51 41 47 26 21 14 19 18 18 26 33 44 30 1992 50 34 34 33 30 21 16 17 19 24 22 45 29 1993 53 44 33 29 21 18 14 16 20 23 30 35 28 1994 34 31 35 30 24 24 21 22 22 39 32 35 29 1995 43 38 36 34 20 17 16 12 15 23 18 53 27 1996 53 44 46 26 26 17 15 13 16 19 26 28 27 1997 39 26 32 31 22 21 15 15 15 31 47 49 29 1998 45 40 35 24 18 17 16 17 19 19 21 24 25 1999 44 42 37 22 17 16 18 15 19 19 33 28 26 2000 40 30 26 16 13 12 14 13 18 24 35 37 23 2001 40 31 31 18 16 16 17 14 19 19 26 44 24 2002 40 33 22 23 17 15 16 17 14 20 39 39 25 2003 40 32 27 24 19 16 20 18 16 19 27 35 24 2004 44 27 21 25 18 15 16 15 18 31 32 45 26 2005 45 47 40 25 26 18 18 21 18 19 29 27 28 MEAN 47 41 37 32 26 21 22 22 23 27 35 42 31 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 15 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF MAXIMUM RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 *** *** *** *** *** 36 56 36 36 41 53 65 *** 1957 81 64 62 63 57 46 40 43 40 58 78 75 59 1958 78 64 52 47 40 43 41 41 40 45 64 74 52 1959 85 72 58 55 54 38 37 40 40 47 67 78 56 1960 68 60 65 61 44 38 42 37 37 44 62 60 52 1961 70 62 56 62 47 35 37 35 42 43 55 60 50 1962 66 57 52 61 41 37 32 34 35 37 48 59 47 1963 55 59 47 50 51 35 37 36 34 41 46 52 45 1964 75 66 59 54 45 41 44 43 43 50 60 69 54 1965 77 67 63 69 54 54 49 56 44 35 44 46 55 1966 46 58 49 52 36 27 29 38 43 52 49 56 45 1967 61 67 59 64 47 42 45 43 43 49 62 73 55 1968 70 80 57 62 57 52 40 39 43 46 66 71 57 1969 73 76 50 45 38 23 27 30 32 34 54 47 44 1970 66 55 60 38 37 30 31 38 39 36 35 49 43 1971 45 53 39 40 33 23 21 23 20 25 44 44 34 1972 61 61 54 42 30 24 22 23 25 25 39 51 38 1973 58 44 38 32 24 22 27 22 27 33 31 44 34 1974 66 71 54 39 38 30 33 26 31 34 39 62 44 1975 54 54 47 53 36 30 28 27 28 39 52 56 42 1976 54 68 69 60 36 29 31 25 29 44 45 60 46 1977 77 49 40 55 37 28 34 36 29 42 50 53 44 1978 59 56 56 39 46 29 32 26 27 35 59 49 43 1979 60 58 52 33 37 27 23 26 25 38 36 56 39 1980 58 55 48 35 29 22 20 23 27 38 45 56 38 1981 61 54 49 34 36 29 33 29 27 41 37 50 40 1982 58 57 57 49 37 24 25 27 29 47 57 73 45 1983 61 57 57 54 37 28 29 37 30 30 41 66 44 1984 68 62 54 44 34 27 29 34 34 38 51 70 45 1985 74 44 52 38 35 21 27 29 20 30 45 60 40 1986 44 63 60 50 32 27 22 23 25 31 53 73 42 1987 51 49 50 52 46 24 27 31 28 37 37 43 40 1988 64 64 45 40 29 25 29 30 32 35 32 46 39 1989 60 59 54 46 25 22 23 25 25 26 52 52 39 1990 66 63 39 35 26 19 25 28 23 33 37 53 37 1991 70 59 67 38 31 21 25 25 24 35 47 62 42 1992 72 51 51 49 45 27 24 23 26 36 32 65 42 1993 73 63 53 44 30 28 20 22 28 33 42 47 40 1994 52 48 54 47 36 34 31 31 32 55 46 52 43 1995 60 54 53 49 30 26 23 19 31 41 29 70 40 1996 72 65 67 39 39 26 20 18 22 29 37 40 40 1997 56 44 48 45 32 31 23 21 22 44 65 68 42 1998 63 58 51 36 25 24 23 23 28 28 30 35 35 1999 63 60 55 33 24 24 27 20 29 28 47 40 38 2000 58 45 39 24 19 19 20 19 26 33 47 51 33 2001 56 47 46 27 24 24 25 21 27 27 38 60 35 2002 56 52 35 35 24 23 23 24 21 27 56 56 36 2003 55 49 42 36 27 23 30 24 23 27 37 50 35 2004 63 41 31 40 26 21 21 22 25 41 42 60 36 2005 62 63 56 36 36 27 25 29 25 27 43 37 39 MEAN 63 58 52 46 36 29 30 30 30 37 47 57 43 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 16 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF MINIMUM RELATIVE HUMIDITY IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 *** *** *** *** *** 20 28 19 20 22 26 37 *** 1957 51 37 35 36 34 27 22 23 21 33 42 40 33 1958 41 29 27 26 22 23 22 22 23 24 29 42 28 1959 42 33 27 26 27 19 20 21 19 24 37 38 28 1960 33 30 35 31 24 22 21 19 20 24 31 33 27 1961 40 32 27 33 25 20 18 19 23 24 32 34 27 1962 31 26 27 32 22 22 18 21 18 22 27 36 25 1963 35 37 31 33 32 21 20 21 20 24 31 35 28 1964 53 47 37 37 33 29 31 31 30 36 43 48 38 1965 52 45 38 43 39 37 33 41 27 18 23 24 35 1966 25 26 22 25 20 14 16 23 24 30 29 34 24 1967 35 37 32 35 24 24 24 23 25 28 37 41 30 1968 36 41 31 32 28 25 19 19 21 25 41 44 30 1969 43 43 25 21 18 13 16 16 20 19 30 26 24 1970 38 31 35 19 17 13 15 18 22 22 22 26 23 1971 24 24 18 19 20 14 13 13 12 16 27 26 19 1972 36 28 28 21 18 15 13 14 15 15 24 26 21 1973 30 21 17 15 12 11 14 15 18 22 20 26 18 1974 40 41 31 22 24 22 25 18 19 20 25 37 27 1975 34 27 24 25 20 19 17 16 17 23 33 33 24 1976 33 40 38 34 22 18 16 15 18 26 27 35 27 1977 43 26 20 28 20 16 20 23 19 23 27 29 25 1978 35 33 29 22 30 18 21 16 17 21 33 24 25 1979 34 29 31 20 20 15 13 15 15 23 20 34 22 1980 32 28 22 15 16 13 10 13 15 22 25 28 20 1981 35 26 25 18 21 17 18 16 18 23 20 30 22 1982 29 26 26 22 20 13 14 17 16 25 31 41 23 1983 31 30 27 27 18 16 18 21 17 18 22 34 23 1984 33 28 21 16 15 16 17 18 18 17 23 32 21 1985 34 15 19 12 14 11 13 14 7 13 20 26 17 1986 17 24 24 21 16 14 12 12 15 13 25 37 19 1987 18 20 25 27 21 9 11 14 14 16 16 14 17 1988 25 26 17 14 13 13 14 16 18 16 14 21 17 1989 27 26 23 19 10 8 12 10 10 11 22 22 17 1990 30 26 15 12 10 10 14 13 14 14 17 24 17 1991 31 26 28 16 13 9 14 12 13 18 21 29 19 1992 28 20 21 19 19 14 11 12 12 14 14 28 18 1993 36 28 18 17 13 11 9 11 14 14 20 23 18 1994 21 19 20 19 15 17 14 16 16 26 21 20 19 1995 29 24 22 20 11 10 10 8 8 13 9 38 17 1996 36 26 29 15 15 12 10 8 10 10 17 16 17 1997 24 13 18 17 14 13 9 10 9 19 31 30 17 1998 28 22 21 15 12 11 11 11 11 12 11 15 15 1999 26 25 22 12 11 10 11 10 11 11 20 16 15 2000 25 17 15 10 7 7 9 8 10 15 23 23 14 2001 24 17 18 11 10 10 10 9 12 10 15 28 15 2002 25 18 12 14 11 9 10 11 8 13 24 24 15 2003 27 18 15 14 12 10 12 12 10 11 16 22 15 2004 28 14 12 14 11 9 10 9 11 22 21 30 16 2005 29 31 26 15 16 10 13 15 12 11 19 16 18 MEAN 32 28 25 22 19 16 16 16 16 19 25 30 22 RH=0 =====> RELATIVE HUMIDITY < 0.5% =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 17 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF RELATIVE HUMIDITY AT 03 UTC. IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 *** *** *** *** *** 29 47 32 31 32 35 57 *** 1957 78 61 59 60 55 38 31 34 30 46 67 61 52 1958 64 47 42 39 33 34 36 34 31 34 48 63 42 1959 71 59 46 42 47 28 30 34 28 34 51 65 45 1960 54 47 56 53 39 31 36 29 31 33 47 50 42 1961 62 52 46 55 39 31 30 30 33 33 45 48 42 1962 54 45 43 53 34 35 31 33 30 31 43 53 40 1963 49 52 41 41 47 33 34 35 31 34 44 45 41 1964 67 62 52 52 43 38 43 40 39 39 49 63 49 1965 70 63 57 60 50 49 44 53 40 32 38 39 50 1966 42 51 43 46 31 23 25 35 35 48 41 47 39 1967 53 61 54 58 41 37 38 34 36 43 52 63 48 1968 60 74 48 56 53 44 31 29 31 36 59 64 49 1969 65 70 44 34 32 21 24 27 31 30 51 41 39 1970 63 55 59 36 33 27 30 32 35 34 29 42 40 1971 39 50 39 39 32 21 20 20 20 22 42 43 32 1972 60 59 53 40 29 23 22 21 23 23 37 50 37 1973 54 43 37 31 24 21 26 22 27 33 30 42 33 1974 63 69 53 38 38 29 33 26 31 34 39 61 43 1975 53 53 45 51 36 30 28 27 27 39 51 54 41 1976 52 67 66 58 36 29 29 23 29 44 43 57 44 1977 76 49 39 54 36 28 34 35 29 41 49 51 43 1978 58 54 54 39 46 29 31 26 27 34 56 44 42 1979 57 56 50 31 37 27 23 25 25 37 34 53 38 1980 56 53 48 33 29 22 19 22 26 37 43 50 37 1981 58 53 49 33 36 29 33 29 27 39 32 47 39 1982 55 56 55 45 36 24 25 26 26 45 55 71 43 1983 58 56 56 52 36 26 28 36 28 26 33 58 41 1984 57 52 45 38 29 24 25 30 28 26 35 61 38 1985 64 31 45 30 30 18 24 24 15 26 40 52 33 1986 39 58 53 45 29 23 20 19 23 26 47 61 37 1987 41 41 46 47 38 19 22 25 25 33 29 32 33 1988 57 55 36 35 25 22 26 28 29 31 26 38 34 1989 56 52 48 40 22 17 21 21 21 24 44 43 34 1990 61 57 35 28 23 17 23 25 22 27 32 46 33 1991 65 52 58 34 28 18 22 23 21 33 39 55 37 1992 62 43 44 43 37 25 19 20 24 31 24 52 35 1993 67 55 41 38 27 25 18 19 25 30 36 42 35 1994 45 41 43 41 30 27 25 26 27 50 40 45 37 1995 51 47 46 42 25 22 19 16 20 32 21 62 34 1996 65 54 58 34 32 23 18 17 20 24 31 34 34 1997 46 36 43 39 28 26 20 17 19 37 59 61 36 1998 56 53 47 32 23 20 20 21 24 24 25 27 31 1999 56 52 49 28 21 20 23 18 24 23 42 32 32 2000 48 39 35 21 16 15 18 15 23 30 43 44 29 2001 49 41 41 22 21 20 20 18 24 22 32 55 30 2002 52 43 31 31 21 19 20 21 17 24 48 49 31 2003 50 43 37 32 24 20 26 21 21 24 34 44 31 2004 57 36 27 34 23 18 20 18 22 36 39 53 32 2005 58 56 49 32 32 25 23 27 24 25 39 34 35 MEAN 57 52 47 41 33 26 27 26 27 33 41 50 38 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 18 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF RELATIVE HUMIDITY AT 09 UTC. IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 *** *** *** *** *** 22 31 20 22 23 28 38 *** 1957 54 41 38 39 36 29 24 25 22 35 46 42 36 1958 43 30 29 28 23 24 24 24 25 25 30 44 29 1959 43 36 30 29 30 21 21 23 22 25 39 39 30 1960 35 31 38 35 27 25 23 20 23 25 32 33 29 1961 41 33 29 38 26 22 21 21 24 25 34 34 29 1962 34 28 29 36 24 24 20 22 21 24 29 38 27 1963 36 41 35 37 36 24 22 23 22 27 33 38 31 1964 56 50 43 40 34 32 34 32 33 40 45 49 41 1965 54 46 42 46 40 39 36 44 28 19 25 26 37 1966 27 30 24 27 21 15 17 24 26 31 30 37 26 1967 38 41 36 39 26 27 25 25 26 30 38 44 33 1968 41 48 33 33 31 28 22 20 22 27 42 46 33 1969 47 48 27 24 20 14 17 17 21 21 30 27 26 1970 41 32 38 20 18 14 16 19 23 22 23 27 24 1971 27 28 20 22 20 15 15 14 14 17 28 28 21 1972 39 32 31 23 19 16 15 16 16 16 25 30 23 1973 33 22 20 16 13 12 15 17 20 22 21 27 20 1974 42 47 32 23 24 23 27 20 20 21 26 40 29 1975 36 29 27 28 21 20 18 17 18 24 34 35 26 1976 34 45 43 37 23 20 18 16 19 26 28 37 29 1977 46 27 21 31 21 17 21 24 20 24 28 30 26 1978 38 34 31 23 31 19 22 17 18 21 35 26 26 1979 38 32 33 22 21 16 14 17 16 23 20 36 24 1980 33 30 23 15 17 13 11 14 17 22 27 31 21 1981 38 28 28 20 23 18 20 18 18 24 21 31 24 1982 32 29 30 25 21 14 16 18 20 26 32 44 26 1983 34 32 30 31 19 17 20 22 18 18 23 36 25 1984 36 30 24 18 17 17 18 20 20 18 25 37 23 1985 36 17 21 14 15 13 15 19 8 14 23 28 19 1986 19 28 26 23 19 14 14 13 15 14 28 40 21 1987 19 23 28 30 24 10 12 15 15 19 17 18 19 1988 29 31 20 16 14 14 16 18 20 17 15 24 20 1989 31 28 26 20 11 9 14 11 11 12 24 23 18 1990 35 29 16 13 11 11 15 14 14 15 18 26 18 1991 34 28 35 18 14 10 16 15 14 19 23 32 22 1992 35 22 24 21 24 17 15 13 13 15 15 34 21 1993 41 36 21 19 15 12 11 12 17 16 20 25 20 1994 23 22 25 20 17 21 15 18 17 27 24 23 21 1995 32 27 25 24 12 11 12 9 9 13 10 40 19 1996 40 30 34 18 16 13 12 10 10 12 18 17 19 1997 27 16 20 19 15 15 10 10 10 20 33 34 19 1998 32 27 24 16 13 13 12 13 11 13 13 16 17 1999 30 30 25 13 12 11 12 11 12 11 22 17 17 2000 27 19 17 11 8 8 11 9 11 16 25 26 16 2001 27 18 20 12 11 11 12 10 12 12 16 30 16 2002 28 21 14 17 13 10 11 11 9 13 25 26 17 2003 29 21 18 16 13 11 14 13 11 11 18 23 17 2004 31 16 14 17 12 10 12 10 12 23 22 35 18 2005 32 35 28 17 18 13 15 17 13 13 20 17 20 MEAN 35 31 27 24 20 17 18 18 18 21 26 32 24 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 19 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF RELATIVE HUMIDITY AT 15 UTC. IN PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 *** *** *** *** *** 23 36 22 28 35 51 57 *** 1957 69 52 48 47 45 32 25 30 26 47 62 58 45 1958 63 41 37 31 29 31 28 27 30 37 47 63 39 1959 68 48 40 36 33 26 24 27 30 38 55 66 41 1960 56 45 50 45 32 29 27 23 29 38 53 53 40 1961 56 45 40 43 36 24 25 24 34 36 49 54 39 1962 51 45 36 39 32 25 21 24 24 30 42 53 35 1963 50 49 41 43 40 28 28 26 24 34 39 47 37 1964 68 58 48 46 41 36 37 37 37 49 58 66 48 1965 64 55 49 54 46 44 38 45 32 25 32 33 43 1966 32 34 29 31 24 17 17 25 29 37 36 42 29 1967 45 48 40 43 33 27 28 27 32 36 47 51 38 1968 47 58 41 41 40 32 24 24 31 35 53 54 40 1969 53 51 33 27 26 17 19 21 27 29 44 40 32 1970 52 42 43 27 27 17 19 23 26 28 35 43 32 1971 39 35 23 24 23 16 15 16 15 22 35 34 25 1972 50 39 37 29 22 19 15 17 21 21 30 40 28 1973 43 27 22 20 15 14 18 17 20 25 26 35 24 1974 51 52 39 27 28 24 27 20 22 24 32 45 33 1975 43 35 30 33 25 21 18 18 20 30 42 44 30 1976 43 50 48 41 26 20 21 19 23 36 39 49 35 1977 56 32 24 35 23 18 23 25 21 31 37 41 31 1978 44 42 38 28 33 21 25 19 21 27 48 42 32 1979 48 42 42 26 25 18 15 17 20 33 30 47 30 1980 48 38 33 22 22 16 13 17 20 30 39 48 29 1981 49 39 34 23 25 21 22 19 21 32 33 44 30 1982 43 35 37 34 25 17 18 20 21 36 46 59 33 1983 45 41 39 36 25 22 21 27 25 27 39 52 33 1984 49 40 33 23 19 19 21 24 26 29 41 49 31 1985 55 28 29 18 20 14 17 17 11 20 30 41 25 1986 28 35 33 31 21 18 14 15 18 18 36 53 27 1987 30 32 34 33 31 14 15 18 18 22 25 26 25 1988 35 37 25 23 16 16 17 21 23 23 23 33 24 1989 37 35 32 28 13 11 14 13 14 16 33 36 24 1990 41 36 21 19 15 12 17 16 19 21 27 38 24 1991 46 36 41 21 17 12 16 16 17 24 33 41 27 1992 45 30 30 27 24 18 14 15 16 22 24 42 26 1993 49 42 33 25 17 14 11 14 19 21 30 34 26 1994 30 26 29 26 21 20 18 21 21 36 30 33 26 1995 40 35 31 30 18 14 13 11 13 20 21 48 25 1996 50 38 42 22 24 15 12 11 15 18 26 28 25 1997 39 20 28 28 19 19 13 13 15 32 44 49 27 1998 43 33 32 21 15 13 13 15 17 18 23 27 23 1999 39 37 32 19 14 14 16 13 17 19 31 30 23 2000 37 27 24 14 11 10 11 11 15 24 33 37 21 2001 38 25 27 16 13 14 13 12 17 19 26 40 22 2002 36 29 17 19 15 13 13 13 13 20 37 36 22 2003 38 27 21 19 16 13 17 15 14 18 26 32 21 2004 40 23 18 20 15 12 13 13 18 33 29 42 23 2005 39 43 37 22 23 13 15 18 16 16 27 25 25 MEAN 46 39 34 29 24 19 19 20 22 28 37 44 30 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 20 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M NO. OF DAYS WITH MAXIMUM TEMPERATURE EQUAL 30 AND ABOVE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 *** *** *** *** 31 30 31 31 29 15 1 0 *** 1957 0 0 0 4 20 30 31 31 30 14 0 0 160 1958 0 0 9 23 29 30 31 31 28 21 0 0 202 1959 0 0 8 23 24 30 31 31 30 25 0 0 202 1960 0 2 1 7 24 30 31 31 30 14 0 0 170 1961 0 0 2 9 27 29 31 31 30 18 0 0 177 1962 0 1 4 12 29 30 31 31 19 21 2 0 180 1963 0 2 5 17 23 30 31 31 30 28 3 0 200 1964 0 0 9 15 31 30 31 31 25 7 0 0 179 1965 0 0 7 9 29 30 31 31 30 30 6 0 203 1966 1 1 7 18 28 30 31 31 30 21 0 0 198 1967 0 0 2 10 27 30 31 31 30 19 3 0 183 1968 0 0 8 12 25 30 31 31 30 24 0 0 191 1969 0 0 17 20 29 30 31 31 27 29 0 0 214 1970 0 0 4 27 30 30 31 31 27 24 1 1 206 1971 0 0 7 13 31 30 31 31 21 17 0 0 181 1972 0 0 0 15 26 30 31 31 27 28 5 0 193 1973 0 0 7 20 31 30 31 31 27 17 5 0 199 1974 0 0 10 20 29 30 31 31 29 1 4 0 185 1975 0 0 1 14 29 30 31 31 30 17 1 0 184 1976 1 0 0 11 31 30 31 31 30 25 0 0 190 1977 0 0 19 14 31 30 31 31 30 24 3 1 214 1978 0 0 3 24 29 30 31 31 30 24 2 5 209 1979 0 0 1 22 25 30 31 31 30 29 3 0 202 1980 0 0 5 29 31 30 31 31 30 18 1 0 206 1981 0 0 7 22 27 30 31 31 27 14 3 0 192 1982 0 0 0 15 28 30 31 31 30 19 0 0 184 1983 0 0 0 11 31 30 31 31 30 12 2 0 178 1984 0 0 5 20 28 30 31 31 29 10 1 0 185 1985 0 0 4 15 28 30 31 31 30 15 0 0 184 1986 0 0 0 14 31 30 31 31 30 19 3 0 189 1987 0 0 0 16 29 29 31 31 30 12 6 1 185 1988 0 0 5 16 30 29 31 31 30 19 7 0 198 1989 0 0 0 12 25 30 31 31 28 24 3 0 184 1990 0 0 4 17 31 30 31 31 30 19 5 0 198 1991 0 0 0 16 28 30 31 31 26 12 3 0 177 1992 0 0 0 15 22 30 31 31 26 14 0 0 169 1993 0 0 1 18 28 30 31 31 30 7 5 0 181 1994 0 1 1 12 29 30 31 31 20 11 5 0 171 1995 0 0 1 14 29 29 31 31 30 15 3 0 183 1996 0 0 0 19 28 30 31 31 30 21 0 0 190 1997 0 1 0 12 24 30 31 31 30 17 0 0 176 1998 0 0 5 19 27 30 31 31 30 14 0 0 187 1999 0 0 5 22 31 30 31 31 28 26 5 0 209 2000 0 0 3 26 31 30 31 31 30 24 3 0 209 2001 0 0 3 27 31 30 31 31 28 26 2 0 209 2002 0 0 10 18 31 30 31 31 30 29 3 0 213 2003 0 0 2 21 26 30 31 31 28 26 3 0 198 2004 0 2 13 16 30 30 31 31 30 15 1 0 199 2005 0 0 6 22 29 30 31 31 30 26 1 0 206 MEAN 0.0 0.2 4.3 16.8 28.2 29.9 31.0 31.0 28.6 19.1 2.1 0.2 191.4 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 21 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M NO. OF DAYS WITH MAXIMUM TEMPERATURE EQUAL 00 AND BELOW YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 *** *** *** *** 0 0 0 0 0 0 0 0 *** 1957 0 0 0 0 0 0 0 0 0 0 0 0 0 1958 0 0 0 0 0 0 0 0 0 0 0 0 0 1959 0 0 0 0 0 0 0 0 0 0 0 0 0 1960 0 0 0 0 0 0 0 0 0 0 0 0 0 1961 0 0 0 0 0 0 0 0 0 0 0 0 0 1962 0 0 0 0 0 0 0 0 0 0 0 0 0 1963 0 0 0 0 0 0 0 0 0 0 0 1 1 1964 1 0 0 0 0 0 0 0 0 0 0 0 1 1965 0 0 0 0 0 0 0 0 0 0 0 0 0 1966 0 0 0 0 0 0 0 0 0 0 0 0 0 1967 0 0 0 0 0 0 0 0 0 0 0 0 0 1968 0 0 0 0 0 0 0 0 0 0 0 0 0 1969 0 0 0 0 0 0 0 0 0 0 0 0 0 1970 0 0 0 0 0 0 0 0 0 0 0 0 0 1971 0 0 0 0 0 0 0 0 0 0 0 0 0 1972 0 0 0 0 0 0 0 0 0 0 0 0 0 1973 0 0 0 0 0 0 0 0 0 0 0 0 0 1974 0 0 0 0 0 0 0 0 0 0 0 0 0 1975 0 0 0 0 0 0 0 0 0 0 0 0 0 1976 0 0 0 0 0 0 0 0 0 0 0 0 0 1977 0 0 0 0 0 0 0 0 0 0 0 0 0 1978 0 0 0 0 0 0 0 0 0 0 0 0 0 1979 0 0 0 0 0 0 0 0 0 0 0 0 0 1980 0 0 0 0 0 0 0 0 0 0 0 0 0 1981 0 0 0 0 0 0 0 0 0 0 0 0 0 1982 0 0 0 0 0 0 0 0 0 0 0 0 0 1983 0 0 0 0 0 0 0 0 0 0 0 0 0 1984 0 0 0 0 0 0 0 0 0 0 0 0 0 1985 0 0 0 0 0 0 0 0 0 0 0 0 0 1986 0 0 0 0 0 0 0 0 0 0 0 0 0 1987 0 0 0 0 0 0 0 0 0 0 0 0 0 1988 0 0 0 0 0 0 0 0 0 0 0 0 0 1989 0 0 0 0 0 0 0 0 0 0 0 0 0 1990 0 0 0 0 0 0 0 0 0 0 0 0 0 1991 0 0 0 0 0 0 0 0 0 0 0 0 0 1992 0 0 0 0 0 0 0 0 0 0 0 0 0 1993 0 0 0 0 0 0 0 0 0 0 0 0 0 1994 0 0 0 0 0 0 0 0 0 0 0 0 0 1995 0 0 0 0 0 0 0 0 0 0 0 0 0 1996 0 0 0 0 0 0 0 0 0 0 0 0 0 1997 0 0 0 0 0 0 0 0 0 0 0 0 0 1998 0 0 0 0 0 0 0 0 0 0 0 0 0 1999 0 0 0 0 0 0 0 0 0 0 0 0 0 2000 0 0 0 0 0 0 0 0 0 0 0 0 0 2001 0 0 0 0 0 0 0 0 0 0 0 0 0 2002 0 0 0 0 0 0 0 0 0 0 0 0 0 2003 0 0 0 0 0 0 0 0 0 0 0 0 0 2004 0 0 0 0 0 0 0 0 0 0 0 0 0 2005 0 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 22 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M NO. OF DAYS WITH MINIMUM TEMPERATURE EQUAL 21 AND ABOVE YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 *** *** *** *** 15 29 31 28 26 0 0 0 *** 1957 0 0 0 1 6 29 28 24 7 1 0 0 96 1958 0 0 0 10 16 30 31 29 24 1 0 0 141 1959 0 0 0 4 17 30 30 31 27 5 0 0 144 1960 0 0 0 2 14 30 31 31 17 1 0 0 126 1961 0 0 0 1 26 27 31 31 25 2 0 0 143 1962 0 0 0 1 17 29 31 27 13 0 0 0 118 1963 0 0 0 5 11 30 31 31 19 7 0 0 134 1964 0 0 0 *** *** 28 31 31 12 2 0 0 *** 1965 0 0 0 0 21 30 31 28 16 6 0 0 132 1966 0 0 0 0 21 30 31 31 24 5 0 0 142 1967 0 0 0 2 16 28 31 29 27 1 0 0 134 1968 0 0 2 4 10 29 31 30 18 2 0 0 126 1969 0 0 1 1 17 27 31 31 15 4 0 0 127 1970 0 0 0 2 19 30 31 31 19 5 0 0 137 1971 0 0 1 3 24 30 31 31 10 1 0 0 131 1972 0 0 0 3 12 30 31 23 20 0 0 0 119 1973 0 0 0 10 26 30 31 31 26 2 0 0 156 1974 0 0 1 6 21 30 31 31 24 0 0 0 144 1975 0 0 0 2 20 30 31 29 19 2 0 0 133 1976 0 0 0 2 23 30 31 31 30 5 0 0 152 1977 0 0 0 4 27 30 31 31 14 7 0 0 144 1978 0 0 0 11 21 30 31 30 18 1 1 0 143 1979 0 0 0 11 15 30 31 29 18 6 0 0 140 1980 0 0 1 12 25 30 31 29 23 8 0 0 159 1981 0 0 1 12 25 30 31 31 14 1 0 0 145 1982 0 0 0 2 22 30 31 29 21 5 0 0 140 1983 0 0 0 3 25 30 31 31 20 4 0 0 144 1984 0 0 1 5 14 30 31 31 20 0 0 0 132 1985 0 0 1 5 22 30 31 31 19 7 0 0 146 1986 0 0 0 4 28 30 31 31 13 14 0 0 151 1987 0 0 0 12 25 28 31 31 30 8 0 0 165 1988 0 0 0 10 29 30 31 31 23 5 0 0 159 1989 0 0 0 6 21 30 31 30 23 6 0 0 147 1990 0 0 1 6 30 30 31 31 26 8 0 0 163 1991 0 0 0 9 20 30 31 31 25 1 0 0 147 1992 0 0 0 5 14 30 31 31 15 0 0 0 126 1993 0 0 0 5 25 30 31 31 27 5 0 0 154 1994 0 0 0 7 23 30 31 31 13 1 0 0 136 1995 0 0 0 4 22 28 31 31 26 13 0 0 155 1996 0 0 0 6 19 28 31 31 29 4 0 0 148 1997 0 0 0 2 20 30 31 31 30 11 0 0 155 1998 0 0 4 13 24 30 31 31 28 9 0 0 170 1999 0 0 1 5 28 30 31 31 27 4 0 0 157 2000 0 0 0 18 31 30 31 31 30 3 0 0 174 2001 0 0 0 13 30 30 31 31 26 5 0 0 166 2002 0 0 0 10 31 30 31 31 28 8 0 0 169 2003 0 0 0 13 19 30 31 31 27 8 0 0 159 2004 0 0 2 6 27 30 31 31 24 1 0 0 152 2005 0 0 2 14 24 28 31 31 30 14 0 0 174 MEAN 0.0 0.0 0.4 6.1 21.2 29.6 30.9 30.2 21.7 4.4 0.0 0.0 144.5 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 23 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M NO. OF DAYS WITH MINIMUM TEMPERATURE EQUAL -4 AND BELOW YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 *** *** *** *** 0 0 0 0 0 0 0 0 *** 1957 0 0 0 0 0 0 0 0 0 0 0 0 0 1958 0 0 0 0 0 0 0 0 0 0 0 0 0 1959 0 0 0 0 0 0 0 0 0 0 0 2 2 1960 0 0 0 0 0 0 0 0 0 0 0 0 0 1961 0 0 0 0 0 0 0 0 0 0 0 0 0 1962 0 0 0 0 0 0 0 0 0 0 0 0 0 1963 0 0 0 0 0 0 0 0 0 0 0 2 2 1964 11 0 0 *** *** 0 0 0 0 0 0 1 *** 1965 0 0 0 0 0 0 0 0 0 0 0 0 0 1966 0 0 0 0 0 0 0 0 0 0 0 0 0 1967 0 0 0 0 0 0 0 0 0 0 0 1 1 1968 0 2 0 0 0 0 0 0 0 0 0 0 2 1969 0 0 0 0 0 0 0 0 0 0 0 0 0 1970 0 0 0 0 0 0 0 0 0 0 0 0 0 1971 0 0 0 0 0 0 0 0 0 0 0 0 0 1972 0 6 0 0 0 0 0 0 0 0 0 3 9 1973 7 0 0 0 0 0 0 0 0 0 0 0 7 1974 0 0 0 0 0 0 0 0 0 0 0 0 0 1975 0 0 0 0 0 0 0 0 0 0 0 0 0 1976 0 0 0 0 0 0 0 0 0 0 0 0 0 1977 1 0 0 0 0 0 0 0 0 0 0 0 1 1978 0 0 0 0 0 0 0 0 0 0 0 0 0 1979 0 0 0 0 0 0 0 0 0 0 0 0 0 1980 0 2 0 0 0 0 0 0 0 0 0 0 2 1981 0 0 0 0 0 0 0 0 0 0 0 0 0 1982 0 0 0 0 0 0 0 0 0 0 0 0 0 1983 0 0 0 0 0 0 0 0 0 0 0 0 0 1984 0 0 0 0 0 0 0 0 0 0 0 0 0 1985 0 0 0 0 0 0 0 0 0 0 0 0 0 1986 0 0 0 0 0 0 0 0 0 0 0 0 0 1987 0 0 0 0 0 0 0 0 0 0 0 0 0 1988 0 0 0 0 0 0 0 0 0 0 0 0 0 1989 0 0 0 0 0 0 0 0 0 0 0 0 0 1990 0 0 0 0 0 0 0 0 0 0 0 1 1 1991 0 0 0 0 0 0 0 0 0 0 0 0 0 1992 0 0 0 0 0 0 0 0 0 0 0 0 0 1993 0 0 0 0 0 0 0 0 0 0 0 0 0 1994 0 0 0 0 0 0 0 0 0 0 0 0 0 1995 0 0 0 0 0 0 0 0 0 0 0 0 0 1996 0 0 0 0 0 0 0 0 0 0 0 0 0 1997 0 0 0 0 0 0 0 0 0 0 0 0 0 1998 0 0 0 0 0 0 0 0 0 0 0 0 0 1999 0 0 0 0 0 0 0 0 0 0 0 0 0 2000 0 0 0 0 0 0 0 0 0 0 0 0 0 2001 1 0 0 0 0 0 0 0 0 0 0 0 1 2002 0 0 0 0 0 0 0 0 0 0 0 0 0 2003 0 0 0 0 0 0 0 0 0 0 0 1 1 2004 0 0 0 0 0 0 0 0 0 0 0 0 0 2005 0 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 0.4 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 0.8 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 24 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M NO. OF DAYS WITH MINIMUM TEMPERATURE EQUAL 00 AND BELOW YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 *** *** *** *** 0 0 0 0 0 0 0 0 *** 1957 6 2 0 0 0 0 0 0 0 0 3 0 11 1958 0 0 0 0 0 0 0 0 0 0 2 0 2 1959 4 3 0 0 0 0 0 0 0 0 0 5 12 1960 3 0 1 0 0 0 0 0 0 0 0 1 5 1961 2 4 0 0 0 0 0 0 0 0 0 0 6 1962 4 0 0 0 0 0 0 0 0 0 2 0 6 1963 0 0 0 0 0 0 0 0 0 0 0 7 7 1964 23 2 0 *** *** 0 0 0 0 0 1 14 *** 1965 5 0 0 0 0 0 0 0 0 0 0 4 9 1966 0 0 0 0 0 0 0 0 0 0 0 1 1 1967 9 3 0 0 0 0 0 0 0 0 0 7 19 1968 6 5 0 0 0 0 0 0 0 0 0 2 13 1969 10 7 0 0 0 0 0 0 0 0 0 0 17 1970 3 1 0 0 0 0 0 0 0 0 0 5 9 1971 7 1 0 0 0 0 0 0 0 0 0 3 11 1972 10 15 0 0 0 0 0 0 0 0 0 8 33 1973 19 0 0 0 0 0 0 0 0 0 0 3 22 1974 6 6 0 0 0 0 0 0 0 0 0 2 14 1975 6 2 0 0 0 0 0 0 0 0 0 3 11 1976 1 3 0 0 0 0 0 0 0 0 0 1 5 1977 14 0 0 0 0 0 0 0 0 0 0 1 15 1978 5 0 0 0 0 0 0 0 0 0 0 0 5 1979 3 0 2 0 0 0 0 0 0 0 0 3 8 1980 3 3 0 0 0 0 0 0 0 0 0 0 6 1981 0 0 0 0 0 0 0 0 0 0 0 0 0 1982 4 3 0 0 0 0 0 0 0 0 0 3 10 1983 4 0 0 0 0 0 0 0 0 0 0 4 8 1984 1 7 0 0 0 0 0 0 0 0 0 8 16 1985 1 0 0 0 0 0 0 0 0 0 0 0 1 1986 3 0 0 0 0 0 0 0 0 0 0 5 8 1987 0 0 0 0 0 0 0 0 0 0 0 3 3 1988 4 1 0 0 0 0 0 0 0 0 0 2 7 1989 9 7 0 0 0 0 0 0 0 0 0 0 16 1990 4 0 0 0 0 0 0 0 0 0 0 5 9 1991 0 2 0 0 0 0 0 0 0 0 0 0 2 1992 9 1 0 0 0 0 0 0 0 0 0 0 10 1993 6 0 0 0 0 0 0 0 0 0 0 0 6 1994 0 1 0 0 0 0 0 0 0 0 0 5 6 1995 0 0 0 0 0 0 0 0 0 0 0 0 0 1996 4 0 0 0 0 0 0 0 0 0 0 0 4 1997 0 2 0 0 0 0 0 0 0 0 0 0 2 1998 2 0 0 0 0 0 0 0 0 0 0 0 2 1999 0 0 0 0 0 0 0 0 0 0 0 0 0 2000 3 0 0 0 0 0 0 0 0 0 0 0 3 2001 4 1 0 0 0 0 0 0 0 0 0 0 5 2002 2 0 0 0 0 0 0 0 0 0 0 1 3 2003 0 0 1 0 0 0 0 0 0 0 0 4 5 2004 0 0 0 0 0 0 0 0 0 0 0 1 1 2005 0 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 4.3 1.7 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 2.2 8.5 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 25 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MONTHLY TOTAL OF PRECIPITATION IN MM. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ***** ***** ***** ***** 0.0 0.0 12.0 0.0 0.0 0.0 0.0 1.0 ****** 1957 55.7 6.6 26.6 22.4 29.6 0.0 0.0 0.0 0.0 0.6 7.0 1.0 149.5 1958 15.0 0.0 6.0 0.0 2.0 0.0 10.0 0.0 0.0 0.0 2.0 6.6 41.6 1959 20.9 1.3 3.0 4.2 10.0 0.0 0.0 0.0 0.0 0.0 9.2 4.6 53.2 1960 5.2 5.3 28.6 14.9 3.9 0.0 0.0 0.0 0.0 0.0 10.0 0.4 68.3 1961 2.2 0.0 5.5 10.5 10.6 0.0 0.0 0.0 0.0 0.0 1.0 6.0 35.8 1962 3.0 2.2 9.0 36.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 9.0 59.5 1963 0.0 16.0 13.0 14.0 19.5 0.0 0.0 0.0 0.0 0.0 12.0 7.0 81.5 1964 29.0 48.3 37.0 6.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 6.7 127.0 1965 5.7 2.1 2.3 11.2 0.2 0.4 0.0 0.0 0.4 0.0 3.0 2.0 27.3 1966 0.0 15.3 12.0 7.3 1.0 0.1 0.0 0.0 0.0 0.0 0.0 0.0 35.7 1967 0.0 16.6 9.0 11.4 0.0 0.0 0.0 0.0 0.0 0.3 0.0 11.0 48.3 1968 0.0 41.0 8.0 16.7 8.8 0.4 0.0 0.0 0.0 0.0 1.4 7.2 83.5 1969 3.5 16.0 0.5 4.2 5.2 0.0 0.0 0.0 0.0 0.2 4.0 0.0 33.6 1970 21.0 4.0 44.4 2.2 23.3 0.0 0.0 29.0 5.0 0.0 0.0 2.3 131.2 1971 6.0 15.3 4.6 8.2 0.4 0.0 0.0 0.0 0.0 0.0 3.0 0.0 37.5 1972 7.7 6.0 16.0 15.7 0.5 0.0 0.0 0.0 0.0 0.0 0.1 2.0 48.0 1973 33.5 0.0 7.0 3.8 0.3 8.0 11.0 0.0 0.0 0.0 0.0 0.0 63.6 1974 23.0 22.3 5.2 0.5 3.5 1.0 0.0 0.0 0.0 0.0 0.0 3.5 59.0 1975 20.9 0.0 8.3 9.6 6.4 0.0 0.0 0.0 0.0 0.0 0.0 0.4 45.6 1976 2.5 27.6 15.8 27.3 0.0 0.0 0.3 0.0 0.0 1.0 0.0 0.7 75.2 1977 36.9 0.0 5.4 41.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3 3.4 87.0 1978 2.3 2.8 28.4 0.0 0.0 0.0 2.0 0.0 0.0 0.0 11.2 0.5 47.2 1979 18.3 27.4 4.6 5.0 0.3 1.0 0.0 0.0 1.0 0.5 0.0 6.4 64.5 1980 0.9 0.6 2.8 3.7 2.0 0.0 0.0 0.0 0.0 4.4 0.0 6.0 20.4 1981 19.4 2.0 5.6 0.0 28.4 0.0 0.0 0.0 0.0 6.8 0.0 0.0 62.2 1982 3.1 0.4 18.4 41.8 14.0 0.0 0.0 0.0 0.0 3.6 3.7 15.3 100.3 1983 11.0 15.7 17.7 23.1 3.0 0.0 0.0 0.3 0.0 0.0 0.0 2.7 73.5 1984 27.1 1.9 5.5 7.2 0.2 0.0 0.0 0.0 0.0 0.0 0.0 7.1 49.0 1985 30.8 0.0 14.1 1.0 0.7 0.0 0.0 0.0 0.0 0.0 1.5 4.0 52.1 1986 0.0 2.8 17.1 6.3 0.0 0.8 0.0 0.0 0.0 0.0 30.0 31.4 88.4 1987 0.0 6.0 9.4 1.0 9.8 3.0 1.4 0.0 0.0 0.0 0.0 0.0 30.6 1988 20.8 3.5 1.5 13.0 0.0 0.0 0.0 0.4 0.0 0.0 0.1 4.0 43.3 1989 0.0 7.1 17.0 3.4 0.0 0.0 0.0 0.0 0.0 0.0 2.8 4.4 34.7 1990 4.0 3.6 2.0 0.0 8.0 0.0 0.0 0.0 0.0 0.0 0.0 13.2 30.8 1991 43.0 4.8 60.8 3.0 0.0 0.0 0.0 0.0 0.0 2.0 0.0 7.2 120.8 1992 6.4 0.2 4.6 28.0 32.2 0.0 0.0 0.0 0.0 4.2 0.0 12.3 87.9 1993 17.9 29.0 1.4 4.0 0.5 0.0 0.4 0.0 0.0 0.0 0.0 0.0 53.2 1994 2.4 3.3 9.0 13.4 15.0 0.0 0.0 0.0 1.0 9.6 0.0 7.0 60.7 1995 0.5 1.5 11.0 43.0 20.0 3.6 0.0 0.0 0.0 2.0 0.0 6.5 88.1 1996 27.2 19.5 16.0 6.1 12.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 81.4 1997 19.4 3.0 1.4 11.9 0.2 4.4 0.0 0.0 0.0 12.2 2.4 2.0 56.9 1998 4.9 37.0 7.0 0.3 0.0 0.0 0.0 2.2 0.9 0.0 0.0 0.0 52.3 1999 14.4 9.8 46.4 4.8 0.3 0.0 6.6 0.0 0.0 0.0 4.0 0.0 86.3 2000 22.9 0.0 20.0 0.0 1.0 0.0 0.0 0.0 0.0 1.0 2.8 0.0 47.7 2001 3.0 5.8 8.5 1.9 0.0 0.2 0.0 0.2 0.0 0.0 0.2 1.3 21.1 2002 0.6 6.1 3.7 6.8 0.0 0.0 0.0 0.0 0.0 0.0 6.8 0.0 24.0 2003 1.7 1.0 14.0 3.6 0.0 0.0 4.0 0.0 0.0 0.0 0.0 0.0 24.3 2004 7.7 0.2 0.0 2.0 11.0 0.0 0.0 0.0 0.0 0.0 0.0 25.0 45.9 2005 1.4 27.8 12.6 5.2 17.7 3.0 0.0 0.0 0.0 0.0 0.1 0.0 67.8 MEAN 12.3 9.6 12.8 10.3 6.0 0.5 1.0 0.6 0.2 1.0 2.4 4.6 61.3 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 26 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M GREATEST DAILY OF PRECIPITATION IN MM. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ***** ***** ***** ***** 0.0 0.0 8.0 0.0 0.0 0.0 0.0 1.0 ****** DAY ** ** ** ** ** ** 16 ** ** ** ** 19 1957 27.0 4.0 11.0 5.0 14.0 0.0 0.0 0.0 0.0 0.6 7.0 1.0 27.0 DAY 24 5 16 5 21 ** ** ** ** 26 24 4 1958 9.0 0.0 6.0 0.0 2.0 0.0 10.0 0.0 0.0 0.0 2.0 2.6 10.0 DAY 7 ** 31 ** 20 ** 12 ** ** ** 9 12 1959 10.0 1.0 2.0 3.0 6.0 0.0 0.0 0.0 0.0 0.0 7.0 4.6 10.0 DAY 17 9 27 20 12 ** ** ** ** ** 2 15 1960 3.0 5.1 21.0 7.0 2.6 0.0 0.0 0.0 0.0 0.0 8.0 0.4 21.0 DAY 11 13 26 15 1 ** ** ** ** ** 10 21 1961 1.2 0.0 2.0 4.0 5.0 0.0 0.0 0.0 0.0 0.0 1.0 6.0 6.0 DAY 31 ** 16 11 2 ** ** ** ** ** 13 28 1962 2.0 1.0 8.0 12.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 9.0 12.0 DAY 23 21 16 24 ** ** ** ** ** ** ** 15 1963 0.0 7.0 10.0 9.0 11.0 0.0 0.0 0.0 0.0 0.0 8.0 4.0 11.0 DAY ** 3 28 26 13 ** ** ** ** ** 9 28 1964 24.0 27.0 25.0 3.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 3.0 27.0 DAY 6 15 30 1 ** ** ** ** ** ** ** 14 1965 4.2 1.0 2.0 4.0 0.2 0.4 0.0 0.0 0.4 0.0 2.0 2.0 4.2 DAY 11 3 6 23 14 8 ** ** 23 ** 22 22 1966 0.0 5.0 5.0 3.0 1.0 0.1 0.0 0.0 0.0 0.0 0.0 0.0 5.0 DAY ** 9 24 26 28 1 ** ** ** ** ** ** 1967 0.0 13.0 3.0 6.0 0.0 0.0 0.0 0.0 0.0 0.3 0.0 9.0 13.0 DAY ** 18 31 1 ** ** ** ** ** 23 ** 9 1968 0.0 16.0 4.0 11.0 6.4 0.4 0.0 0.0 0.0 0.0 1.4 4.0 16.0 DAY ** 13 12 29 30 8 ** ** ** ** 19 9 1969 2.2 10.0 0.5 4.0 2.2 0.0 0.0 0.0 0.0 0.2 3.0 0.0 10.0 DAY 11 26 17 14 10 ** ** ** ** 18 5 ** 1970 6.0 3.0 10.0 2.0 11.0 0.0 0.0 29.0 5.0 0.0 0.0 1.0 29.0 DAY 18 17 7 5 2 ** ** 24 13 ** ** 2 1971 5.0 8.0 3.0 8.0 0.4 0.0 0.0 0.0 0.0 0.0 3.0 0.0 8.0 DAY 24 14 24 12 11 ** ** ** ** ** 9 ** 1972 3.0 5.0 10.2 8.4 0.5 0.0 0.0 0.0 0.0 0.0 0.1 1.0 10.2 DAY 15 20 11 26 13 ** ** ** ** ** 21 7 1973 27.0 0.0 6.0 2.0 0.3 6.0 11.0 0.0 0.0 0.0 0.0 0.0 27.0 DAY 3 ** 17 6 14 12 17 ** ** ** ** ** 1974 10.0 11.0 4.0 0.5 2.0 1.0 0.0 0.0 0.0 0.0 0.0 3.5 11.0 DAY 25 20 13 6 12 26 ** ** ** ** ** 11 1975 18.0 0.0 6.0 3.0 6.0 0.0 0.0 0.0 0.0 0.0 0.0 0.4 18.0 DAY 25 ** 9 20 14 ** ** ** ** ** ** 3 1976 2.4 11.0 6.0 12.0 0.0 0.0 0.3 0.0 0.0 1.0 0.0 0.4 12.0 DAY 1 29 29 7 ** ** 23 ** ** 29 ** 31 1977 13.0 0.0 3.0 24.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3 3.4 24.0 DAY 22 ** 29 12 ** ** ** ** ** ** 7 24 1978 2.0 2.0 20.0 0.0 0.0 0.0 2.0 0.0 0.0 0.0 4.0 0.5 20.0 DAY 12 22 8 ** ** ** 1 ** ** ** 14 15 1979 15.3 13.0 2.0 3.0 0.3 1.0 0.0 0.0 1.0 0.3 0.0 6.0 15.3 DAY 11 11 10 29 10 4 ** ** 21 27 ** 30 1980 0.6 0.6 2.0 2.0 2.0 0.0 0.0 0.0 0.0 4.0 0.0 6.0 6.0 DAY 26 7 2 5 8 ** ** ** ** 30 ** 20 1981 16.0 2.0 4.0 0.0 15.0 0.0 0.0 0.0 0.0 6.0 0.0 0.0 16.0 DAY 28 12 3 ** 2 ** ** ** ** 23 ** ** 1982 1.0 0.4 9.0 11.0 8.0 0.0 0.0 0.0 0.0 3.0 1.2 5.3 11.0 DAY 2 23 9 30 20 ** ** ** ** 17 14 20 1983 9.0 8.0 9.0 10.0 3.0 0.0 0.0 0.3 0.0 0.0 0.0 2.0 10.0 DAY 21 12 24 14 22 ** ** 6 ** ** ** 13 1984 21.0 1.0 4.4 7.0 0.2 0.0 0.0 0.0 0.0 0.0 0.0 3.5 21.0 DAY 11 26 23 9 10 ** ** ** ** ** ** 11 1985 23.0 0.0 12.0 1.0 0.3 0.0 0.0 0.0 0.0 0.0 1.5 2.0 23.0 DAY 3 ** 31 3 8 ** ** ** ** ** 14 5 1986 0.0 1.3 7.0 3.0 0.0 0.6 0.0 0.0 0.0 0.0 16.0 15.0 16.0 DAY ** 2 20 23 ** 8 ** ** ** ** 25 6 1987 0.0 4.0 6.0 1.0 5.1 3.0 1.4 0.0 0.0 0.0 0.0 0.0 6.0 DAY ** 22 30 11 31 1 28 ** ** ** ** ** 1988 16.0 1.0 1.3 10.0 0.0 0.0 0.0 0.4 0.0 0.0 0.1 4.0 16.0 DAY 10 4 24 30 ** ** ** 25 ** ** 30 28 1989 0.0 4.0 9.0 2.0 0.0 0.0 0.0 0.0 0.0 0.0 2.2 3.8 9.0 DAY ** 25 21 26 ** ** ** ** ** ** 8 15 1990 3.0 3.0 1.0 0.0 5.0 0.0 0.0 0.0 0.0 0.0 0.0 11.0 11.0 DAY 15 23 28 ** 11 ** ** ** ** ** ** 27 1991 41.0 2.1 26.0 3.0 0.0 0.0 0.0 0.0 0.0 2.0 0.0 7.0 41.0 DAY 26 8 16 1 ** ** ** ** ** 6 ** 19 1992 3.0 0.2 3.6 19.0 13.0 0.0 0.0 0.0 0.0 3.0 0.0 7.0 19.0 DAY 6 11 21 8 2 ** ** ** ** 7 ** 23 1993 10.0 14.0 1.0 2.0 0.5 0.0 0.4 0.0 0.0 0.0 0.0 0.0 14.0 DAY 5 6 9 5 19 ** 9 ** ** ** ** ** 1994 2.0 3.0 3.0 9.0 14.0 0.0 0.0 0.0 1.0 4.0 0.0 6.0 14.0 DAY 24 28 2 13 6 ** ** ** 30 23 ** 5 1995 0.3 0.5 8.0 17.0 14.0 3.0 0.0 0.0 0.0 1.0 0.0 3.5 17.0 DAY 13 9 14 7 31 1 ** ** ** 23 ** 12 1996 15.0 10.0 8.0 4.3 4.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 15.0 DAY 12 13 13 16 9 ** ** ** ** ** ** ** 1997 8.0 2.0 0.5 8.0 0.2 4.4 0.0 0.0 0.0 4.0 1.0 2.0 8.0 DAY 17 28 12 22 6 1 ** ** ** 24 7 11 1998 3.0 19.0 5.0 0.3 0.0 0.0 0.0 1.2 0.7 0.0 0.0 0.0 19.0 DAY 13 13 10 9 ** ** ** 25 16 ** ** ** 1999 9.0 5.2 17.0 4.0 0.3 0.0 4.0 0.0 0.0 0.0 3.0 0.0 17.0 DAY 2 6 5 24 6 ** 13 ** ** ** 24 ** 2000 9.0 0.0 9.0 0.0 1.0 0.0 0.0 0.0 0.0 1.0 2.0 0.0 9.0 DAY 18 ** 30 ** 17 ** ** ** ** 4 6 ** 2001 1.8 5.8 8.1 1.9 0.0 0.2 0.0 0.2 0.0 0.0 0.2 1.0 8.1 DAY 28 12 11 30 ** 15 ** 13 ** ** 29 16 2002 0.6 3.5 3.7 6.8 0.0 0.0 0.0 0.0 0.0 0.0 5.2 0.0 6.8 DAY 10 15 22 4 ** ** ** ** ** ** 7 ** 2003 1.7 1.0 6.0 2.0 0.0 0.0 4.0 0.0 0.0 0.0 0.0 0.0 6.0 DAY 25 5 27 14 ** ** 21 ** ** ** ** ** 2004 3.5 0.2 0.0 2.0 11.0 0.0 0.0 0.0 0.0 0.0 0.0 15.0 15.0 DAY 27 8 ** 11 29 ** ** ** ** ** ** 27 2005 0.8 12.0 10.2 5.0 15.0 3.0 0.0 0.0 0.0 0.0 0.1 0.0 15.0 DAY 7 13 2 12 2 11 ** ** ** ** 14 ** 1956-2005 41.0 27.0 26.0 24.0 15.0 6.0 11.0 29.0 5.0 6.0 16.0 15.0 41.0 YEAR-DAY 91-26 64-15 91-16 77-12 81- 2 73-12 73-17 70-24 70-13 81-23 86-25 86- 6 91 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 27 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M NO. OF DAYS WITH PRECIPITATION EQUAL TO OR GREATER THAN 10 MM. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 *** *** *** *** 0 0 0 0 0 0 0 0 *** 1957 2 0 1 0 1 0 0 0 0 0 0 0 4 1958 0 0 0 0 0 0 1 0 0 0 0 0 1 1959 1 0 0 0 0 0 0 0 0 0 0 0 1 1960 0 0 1 0 0 0 0 0 0 0 0 0 1 1961 0 0 0 0 0 0 0 0 0 0 0 0 0 1962 0 0 0 1 0 0 0 0 0 0 0 0 1 1963 0 0 1 0 1 0 0 0 0 0 0 0 2 1964 1 1 1 0 0 0 0 0 0 0 0 0 3 1965 0 0 0 0 0 0 0 0 0 0 0 0 0 1966 0 0 0 0 0 0 0 0 0 0 0 0 0 1967 0 1 0 0 0 0 0 0 0 0 0 0 1 1968 0 2 0 1 0 0 0 0 0 0 0 0 3 1969 0 1 0 0 0 0 0 0 0 0 0 0 1 1970 0 0 1 0 2 0 0 1 0 0 0 0 4 1971 0 0 0 0 0 0 0 0 0 0 0 0 0 1972 0 0 1 0 0 0 0 0 0 0 0 0 1 1973 1 0 0 0 0 0 1 0 0 0 0 0 2 1974 1 1 0 0 0 0 0 0 0 0 0 0 2 1975 1 0 0 0 0 0 0 0 0 0 0 0 1 1976 0 1 0 2 0 0 0 0 0 0 0 0 3 1977 1 0 0 1 0 0 0 0 0 0 0 0 2 1978 0 0 1 0 0 0 0 0 0 0 0 0 1 1979 1 2 0 0 0 0 0 0 0 0 0 0 3 1980 0 0 0 0 0 0 0 0 0 0 0 0 0 1981 1 0 0 0 2 0 0 0 0 0 0 0 3 1982 0 0 0 1 0 0 0 0 0 0 0 0 1 1983 0 0 0 1 0 0 0 0 0 0 0 0 1 1984 1 0 0 0 0 0 0 0 0 0 0 0 1 1985 1 0 1 0 0 0 0 0 0 0 0 0 2 1986 0 0 0 0 0 0 0 0 0 0 2 2 4 1987 0 0 0 0 0 0 0 0 0 0 0 0 0 1988 1 0 0 1 0 0 0 0 0 0 0 0 2 1989 0 0 0 0 0 0 0 0 0 0 0 0 0 1990 0 0 0 0 0 0 0 0 0 0 0 1 1 1991 1 0 2 0 0 0 0 0 0 0 0 0 3 1992 0 0 0 1 2 0 0 0 0 0 0 0 3 1993 1 2 0 0 0 0 0 0 0 0 0 0 3 1994 0 0 0 0 1 0 0 0 0 0 0 0 1 1995 0 0 0 2 1 0 0 0 0 0 0 0 3 1996 1 1 0 0 0 0 0 0 0 0 0 0 2 1997 0 0 0 0 0 0 0 0 0 0 0 0 0 1998 0 2 0 0 0 0 0 0 0 0 0 0 2 1999 0 0 2 0 0 0 0 0 0 0 0 0 2 2000 0 0 0 0 0 0 0 0 0 0 0 0 0 2001 0 0 0 0 0 0 0 0 0 0 0 0 0 2002 0 0 0 0 0 0 0 0 0 0 0 0 0 2003 0 0 0 0 0 0 0 0 0 0 0 0 0 2004 0 0 0 0 1 0 0 0 0 0 0 1 2 2005 0 1 1 0 1 0 0 0 0 0 0 0 3 MEAN 0.3 0.3 0.3 0.2 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.1 1.4 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 28 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M NO. OF DAYS WITH PRECIPITATION EQUAL TO OR GREATER THAN 5 MM. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 *** *** *** *** 0 0 1 0 0 0 0 0 *** 1957 2 0 2 2 2 0 0 0 0 0 1 0 9 1958 1 0 1 0 0 0 1 0 0 0 0 0 3 1959 1 0 0 0 1 0 0 0 0 0 1 0 3 1960 0 1 1 2 0 0 0 0 0 0 1 0 5 1961 0 0 0 0 1 0 0 0 0 0 0 1 2 1962 0 0 1 5 0 0 0 0 0 0 0 1 7 1963 0 2 1 1 2 0 0 0 0 0 1 0 7 1964 2 4 2 0 0 0 0 0 0 0 0 0 8 1965 0 0 0 0 0 0 0 0 0 0 0 0 0 1966 0 1 1 0 0 0 0 0 0 0 0 0 2 1967 0 1 0 1 0 0 0 0 0 0 0 1 3 1968 0 3 0 1 1 0 0 0 0 0 0 0 5 1969 0 1 0 0 0 0 0 0 0 0 0 0 1 1970 2 0 4 0 2 0 0 1 1 0 0 0 10 1971 1 2 0 1 0 0 0 0 0 0 0 0 4 1972 0 1 1 1 0 0 0 0 0 0 0 0 3 1973 1 0 1 0 0 1 1 0 0 0 0 0 4 1974 3 2 0 0 0 0 0 0 0 0 0 0 5 1975 1 0 1 0 1 0 0 0 0 0 0 0 3 1976 0 2 1 2 0 0 0 0 0 0 0 0 5 1977 3 0 0 3 0 0 0 0 0 0 0 0 6 1978 0 0 2 0 0 0 0 0 0 0 0 0 2 1979 1 2 0 0 0 0 0 0 0 0 0 1 4 1980 0 0 0 0 0 0 0 0 0 0 0 1 1 1981 1 0 0 0 2 0 0 0 0 1 0 0 4 1982 0 0 2 3 1 0 0 0 0 0 0 2 8 1983 1 2 2 1 0 0 0 0 0 0 0 0 6 1984 2 0 0 1 0 0 0 0 0 0 0 0 3 1985 2 0 1 0 0 0 0 0 0 0 0 0 3 1986 0 0 2 0 0 0 0 0 0 0 2 2 6 1987 0 0 1 0 1 0 0 0 0 0 0 0 2 1988 1 0 0 1 0 0 0 0 0 0 0 0 2 1989 0 0 2 0 0 0 0 0 0 0 0 0 2 1990 0 0 0 0 1 0 0 0 0 0 0 1 2 1991 1 0 3 0 0 0 0 0 0 0 0 1 5 1992 0 0 0 2 3 0 0 0 0 0 0 1 6 1993 2 2 0 0 0 0 0 0 0 0 0 0 4 1994 0 0 0 1 1 0 0 0 0 0 0 1 3 1995 0 0 1 3 1 0 0 0 0 0 0 0 5 1996 1 2 1 0 0 0 0 0 0 0 0 0 4 1997 2 0 0 1 0 0 0 0 0 0 0 0 3 1998 0 2 1 0 0 0 0 0 0 0 0 0 3 1999 1 1 3 0 0 0 0 0 0 0 0 0 5 2000 2 0 2 0 0 0 0 0 0 0 0 0 4 2001 0 1 1 0 0 0 0 0 0 0 0 0 2 2002 0 0 0 1 0 0 0 0 0 0 1 0 2 2003 0 0 2 0 0 0 0 0 0 0 0 0 2 2004 0 0 0 0 1 0 0 0 0 0 0 2 3 2005 0 3 1 1 1 0 0 0 0 0 0 0 6 MEAN 0.7 0.7 0.9 0.7 0.4 0.0 0.1 0.0 0.0 0.0 0.1 0.3 3.9 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 29 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M NO. OF DAYS WITH PRECIPITATION EQUAL TO OR GREATER THAN 1 MM. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 *** *** *** *** 0 0 2 0 0 0 0 1 *** 1957 5 3 5 6 5 0 0 0 0 0 1 1 26 1958 3 0 1 0 1 0 1 0 0 0 1 4 11 1959 5 1 2 2 2 0 0 0 0 0 2 1 15 1960 3 1 5 4 2 0 0 0 0 0 2 0 17 1961 1 0 3 4 3 0 0 0 0 0 1 1 13 1962 2 1 2 6 0 0 0 0 0 0 0 1 12 1963 0 4 3 3 3 0 0 0 0 0 2 2 17 1964 2 7 5 3 0 0 0 0 0 0 0 3 20 1965 2 1 1 4 0 0 0 0 0 0 2 1 11 1966 0 4 3 3 1 0 0 0 0 0 0 0 11 1967 0 3 4 3 0 0 0 0 0 0 0 2 12 1968 0 6 3 5 2 0 0 0 0 0 1 2 19 1969 2 3 0 1 3 0 0 0 0 0 2 0 11 1970 7 2 8 1 3 0 0 1 1 0 0 2 25 1971 2 3 2 1 0 0 0 0 0 0 1 0 9 1972 4 1 4 4 0 0 0 0 0 0 0 2 15 1973 3 0 2 2 0 2 1 0 0 0 0 0 10 1974 3 3 2 0 2 1 0 0 0 0 0 1 12 1975 2 0 3 3 1 0 0 0 0 0 0 0 9 1976 1 6 6 4 0 0 0 0 0 1 0 0 18 1977 7 0 2 5 0 0 0 0 0 0 0 1 15 1978 1 1 2 0 0 0 1 0 0 0 3 0 8 1979 2 4 3 2 0 1 0 0 1 0 0 1 14 1980 0 0 1 2 1 0 0 0 0 1 0 1 6 1981 3 1 2 0 4 0 0 0 0 1 0 0 11 1982 2 0 4 8 4 0 0 0 0 1 2 4 25 1983 2 2 3 6 1 0 0 0 0 0 0 1 15 1984 2 1 1 1 0 0 0 0 0 0 0 3 8 1985 3 0 2 1 0 0 0 0 0 0 1 3 10 1986 0 1 3 3 0 0 0 0 0 0 2 3 12 1987 0 2 3 1 2 1 1 0 0 0 0 0 10 1988 2 3 1 3 0 0 0 0 0 0 0 1 10 1989 0 2 2 1 0 0 0 0 0 0 1 1 7 1990 2 1 2 0 3 0 0 0 0 0 0 2 10 1991 2 3 9 1 0 0 0 0 0 1 0 1 17 1992 2 0 2 4 3 0 0 0 0 2 0 4 17 1993 3 4 1 1 0 0 0 0 0 0 0 0 9 1994 1 1 6 3 2 0 0 0 1 4 0 2 20 1995 0 0 2 5 3 1 0 0 0 2 0 2 15 1996 4 4 4 2 4 0 0 0 0 0 0 0 18 1997 4 1 0 3 0 1 0 0 0 6 2 1 18 1998 1 3 2 0 0 0 0 2 0 0 0 0 8 1999 3 3 5 1 0 0 1 0 0 0 2 0 15 2000 4 0 4 0 1 0 0 0 0 1 1 0 11 2001 1 1 1 1 0 0 0 0 0 0 0 1 5 2002 0 2 1 1 0 0 0 0 0 0 1 0 5 2003 1 1 4 2 0 0 1 0 0 0 0 0 9 2004 3 0 0 1 1 0 0 0 0 0 0 3 8 2005 0 5 2 1 1 1 0 0 0 0 0 0 10 MEAN 2.1 1.9 2.8 2.4 1.2 0.2 0.2 0.1 0.1 0.4 0.6 1.2 13.2 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 30 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M NO. OF DAYS WITH PRECIPITATION YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 *** *** *** *** 0 0 2 0 0 0 0 1 *** 1957 8 3 7 10 8 0 0 0 0 2 3 1 42 1958 3 0 1 0 1 0 1 0 0 0 1 5 12 1959 6 2 2 5 3 0 0 1 0 1 4 1 25 1960 4 3 7 5 3 0 0 0 0 0 2 1 25 1961 6 0 4 7 5 0 0 0 0 0 1 1 24 1962 2 3 2 7 0 2 0 0 0 0 2 1 19 1963 0 5 4 4 7 0 0 0 0 0 4 2 26 1964 3 8 5 3 0 0 0 0 0 0 0 5 24 1965 3 4 2 5 1 1 0 0 1 0 2 2 21 1966 0 5 4 4 3 2 0 0 0 0 0 0 18 1967 1 9 5 6 0 0 0 0 0 1 0 2 24 1968 0 7 3 8 4 1 0 0 0 0 1 3 27 1969 5 5 2 2 3 0 0 0 0 1 2 0 20 1970 7 3 8 3 4 0 1 1 1 0 0 3 31 1971 2 4 5 3 3 0 0 0 0 0 1 0 18 1972 5 4 6 5 1 0 0 0 0 0 1 2 24 1973 3 0 2 3 1 2 1 0 0 0 0 0 12 1974 4 6 5 2 2 2 1 0 0 0 0 2 24 1975 4 1 5 8 3 0 0 0 0 0 0 1 22 1976 2 11 11 6 0 0 3 0 0 5 0 2 40 1977 10 1 3 5 2 0 1 0 0 1 2 1 26 1978 2 4 3 0 0 0 1 0 0 0 6 3 19 1979 2 5 5 3 1 1 0 0 1 2 0 2 22 1980 2 3 5 5 1 0 0 0 0 3 0 3 22 1981 5 1 3 1 4 0 0 0 0 3 0 0 17 1982 5 2 7 10 6 0 0 0 0 4 6 5 45 1983 2 3 4 8 1 0 0 1 0 0 0 2 21 1984 3 2 3 3 1 0 0 0 0 0 0 3 15 1985 5 0 3 1 3 0 0 0 0 0 1 3 16 1986 0 5 7 6 0 3 0 0 0 0 2 6 29 1987 0 2 3 1 5 1 1 0 0 0 0 0 13 1988 4 4 2 3 0 0 0 1 0 0 1 1 16 1989 0 3 2 4 0 0 0 0 0 0 2 2 13 1990 2 2 2 0 3 0 0 0 0 0 0 2 11 1991 4 4 10 1 0 0 0 0 0 1 0 2 22 1992 6 1 2 7 4 0 0 0 0 2 0 6 28 1993 4 4 2 4 1 0 1 0 0 0 0 0 16 1994 2 2 6 4 2 0 0 0 1 5 0 2 24 1995 2 3 2 5 3 2 0 0 0 2 0 4 23 1996 7 5 11 3 5 0 0 0 0 0 0 0 31 1997 4 2 4 5 1 1 0 0 0 6 4 1 28 1998 4 3 2 1 0 0 0 2 2 0 0 0 14 1999 4 5 7 2 1 0 5 0 0 0 2 0 26 2000 6 0 4 0 1 0 0 0 0 1 2 0 14 2001 3 1 2 1 0 1 0 1 0 0 1 2 12 2002 1 4 1 1 1 0 0 0 0 0 4 0 12 2003 1 3 5 3 0 0 1 0 0 0 0 0 13 2004 5 1 1 2 1 0 0 0 0 2 1 4 17 2005 4 7 7 2 7 1 0 0 0 0 1 0 29 MEAN 3.4 3.4 4.2 3.8 2.1 0.4 0.4 0.1 0.1 0.8 1.2 1.8 21.7 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 31 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M NO. OF DAYS WITH THUNDER STORM YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 *** *** *** *** 0 0 0 0 0 0 0 0 *** 1957 0 0 0 0 0 0 0 0 1 6 3 1 11 1958 1 0 1 1 2 2 1 1 0 0 0 0 9 1959 0 1 0 0 0 0 2 0 0 0 1 0 4 1960 0 0 1 1 1 0 0 0 1 0 1 0 5 1961 0 0 0 2 1 0 0 0 0 0 3 0 6 1962 0 0 0 2 0 0 0 0 0 0 0 0 2 1963 0 0 0 0 0 0 0 0 0 0 0 0 0 1964 0 0 1 0 0 0 0 0 0 0 0 0 1 1965 2 0 0 5 1 0 0 0 0 1 0 0 9 1966 0 0 0 2 3 0 0 0 0 0 0 0 5 1967 0 0 1 0 0 0 0 0 0 0 0 0 1 1968 0 0 0 1 5 1 0 0 0 0 0 0 7 1969 0 0 0 0 2 0 0 0 0 1 0 0 3 1970 1 0 1 1 4 0 0 0 0 0 1 0 8 1971 0 0 1 1 0 0 0 0 0 0 0 0 2 1972 0 0 0 3 1 0 0 0 0 0 0 0 4 1973 0 0 0 3 1 1 1 0 0 0 0 0 6 1974 0 0 0 0 1 0 0 0 0 0 0 0 1 1975 0 0 0 2 0 1 0 0 0 0 0 0 3 1976 0 0 0 0 0 0 0 0 0 2 0 0 2 1977 0 0 0 0 0 0 0 0 0 0 0 0 0 1978 0 0 0 0 0 0 0 0 0 0 0 0 0 1979 0 0 0 0 0 0 0 0 0 0 0 0 0 1980 0 0 0 1 1 0 0 0 0 1 0 0 3 1981 0 0 0 1 0 0 0 0 0 1 0 0 2 1982 0 0 0 3 0 0 0 0 0 2 0 0 5 1983 0 0 0 1 0 0 0 0 0 0 0 0 1 1984 0 0 0 0 0 0 0 0 0 0 0 0 0 1985 0 0 0 0 0 0 0 0 0 0 0 0 0 1986 0 0 0 0 0 0 0 0 0 0 0 0 0 1987 0 1 0 0 0 0 0 0 0 0 0 0 1 1988 0 0 2 0 0 0 0 0 0 0 0 0 2 1989 0 0 1 2 0 0 0 0 1 0 0 0 4 1990 0 0 0 0 1 1 0 0 0 0 0 0 2 1991 0 0 1 0 0 0 0 0 0 1 0 0 2 1992 0 0 0 0 1 0 0 0 0 1 0 0 2 1993 0 0 0 0 0 0 0 0 0 0 0 0 0 1994 0 0 0 1 0 0 0 0 0 2 0 0 3 1995 0 0 0 0 0 0 0 0 0 0 0 0 0 1996 0 0 0 0 0 0 0 0 0 0 0 0 0 1997 0 0 0 0 0 1 0 0 0 1 0 0 2 1998 0 0 0 0 0 0 0 0 0 0 0 0 0 1999 0 0 0 0 0 0 0 0 0 0 0 0 0 2000 0 0 0 0 0 0 0 0 0 0 0 0 0 2001 0 0 0 1 0 0 0 0 1 0 0 0 2 2002 0 0 0 0 0 0 0 0 0 0 0 0 0 2003 0 0 2 0 0 0 0 0 0 0 0 0 2 2004 1 0 0 0 1 0 0 0 0 1 0 0 3 2005 0 2 3 3 5 2 0 0 0 0 0 0 15 MEAN 0.1 0.1 0.3 0.8 0.6 0.2 0.1 0.0 0.1 0.4 0.2 0.0 2.9 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 32 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M NO. OF DAYS WITH SNOW OR SLEET YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 *** *** *** *** 0 0 0 0 0 0 0 0 *** 1957 1 0 0 0 0 0 0 0 0 0 2 0 3 1958 0 0 0 0 0 0 0 0 0 0 0 0 0 1959 2 0 0 0 0 0 0 0 0 0 0 2 4 1960 0 0 0 0 0 0 0 0 0 0 0 0 0 1961 0 0 0 0 0 0 0 0 0 0 0 0 0 1962 1 0 0 0 0 0 0 0 0 0 0 0 1 1963 0 0 0 0 0 0 0 0 0 0 0 2 2 1964 2 0 0 0 0 0 0 0 0 0 0 0 2 1965 0 0 0 0 0 0 0 0 0 0 0 0 0 1966 0 0 0 0 0 0 0 0 0 0 0 0 0 1967 0 0 0 0 0 0 0 0 0 0 0 1 1 1968 0 0 0 0 0 0 0 0 0 0 0 0 0 1969 0 0 0 0 0 0 0 0 0 0 0 0 0 1970 0 0 0 0 0 0 0 0 0 0 0 0 0 1971 0 1 0 0 0 0 0 0 0 0 0 0 1 1972 0 2 0 0 0 0 0 0 0 0 0 1 3 1973 3 0 0 0 0 0 0 0 0 0 0 0 3 1974 0 2 0 0 0 0 0 0 0 0 0 0 2 1975 0 0 0 0 0 0 0 0 0 0 0 0 0 1976 0 0 0 0 0 0 0 0 0 0 0 0 0 1977 2 0 0 0 0 0 0 0 0 0 0 0 2 1978 0 0 0 0 0 0 0 0 0 0 0 0 0 1979 0 0 1 0 0 0 0 0 0 0 0 0 1 1980 0 0 0 0 0 0 0 0 0 0 0 0 0 1981 0 0 0 0 0 0 0 0 0 0 0 0 0 1982 0 0 0 0 0 0 0 0 0 0 0 1 1 1983 0 0 0 0 0 0 0 0 0 0 0 0 0 1984 1 0 0 0 0 0 0 0 0 0 0 0 1 1985 0 0 0 0 0 0 0 0 0 0 0 0 0 1986 0 0 1 0 0 0 0 0 0 0 0 1 2 1987 0 0 0 0 0 0 0 0 0 0 0 0 0 1988 0 0 0 0 0 0 0 0 0 0 0 0 0 1989 0 0 0 0 0 0 0 0 0 0 0 0 0 1990 0 0 0 0 0 0 0 0 0 0 0 2 2 1991 0 0 0 0 0 0 0 0 0 0 0 1 1 1992 3 0 0 0 0 0 0 0 0 0 0 0 3 1993 1 0 0 0 0 0 0 0 0 0 0 0 1 1994 0 0 0 0 0 0 0 0 0 0 0 0 0 1995 0 0 0 0 0 0 0 0 0 0 0 1 1 1996 2 0 0 0 0 0 0 0 0 0 0 0 2 1997 0 0 0 0 0 0 0 0 0 0 0 0 0 1998 0 0 0 0 0 0 0 0 0 0 0 0 0 1999 0 0 0 0 0 0 0 0 0 0 0 0 0 2000 0 0 0 0 0 0 0 0 0 0 0 0 0 2001 1 0 0 0 0 0 0 0 0 0 0 0 1 2002 0 0 0 0 0 0 0 0 0 0 0 0 0 2003 0 0 0 0 0 0 0 0 0 0 0 0 0 2004 0 0 0 0 0 0 0 0 0 0 0 0 0 2005 0 0 0 0 0 0 0 0 0 0 0 0 0 MEAN 0.4 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 0.7 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 33 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M NO. OF DAYS WITH DUST YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 *** *** *** *** 0 6 10 6 1 0 1 2 *** 1957 2 1 1 0 1 4 7 0 0 0 0 1 17 1958 3 0 1 4 3 0 10 2 1 0 0 0 24 1959 2 6 2 2 4 1 5 3 0 2 1 0 28 1960 1 0 8 5 5 7 5 3 0 0 1 0 35 1961 1 3 9 3 7 3 2 7 0 0 1 1 37 1962 1 2 6 4 2 3 5 3 2 2 0 0 30 1963 0 0 2 2 1 2 4 2 1 0 0 2 16 1964 1 1 1 0 0 0 0 0 0 0 2 1 6 1965 1 2 3 1 4 2 5 3 0 0 0 0 21 1966 0 0 7 3 4 4 12 3 5 0 0 1 39 1967 2 3 9 1 4 10 3 5 2 2 0 2 43 1968 4 1 3 2 6 5 15 2 0 0 0 0 38 1969 4 1 3 2 0 1 4 4 3 2 1 0 25 1970 0 0 0 6 1 3 3 5 8 0 0 1 27 1971 0 2 3 3 3 3 7 3 3 0 1 1 29 1972 3 0 2 0 7 3 4 1 1 0 0 1 22 1973 0 7 4 3 3 4 6 6 1 0 2 0 36 1974 4 1 0 5 1 3 2 0 0 0 0 5 21 1975 1 2 2 2 0 5 3 5 1 0 2 2 25 1976 0 2 1 0 6 0 4 3 0 1 1 0 18 1977 1 1 0 0 2 0 4 4 1 0 0 0 13 1978 0 0 4 1 8 7 5 2 1 0 1 1 30 1979 0 0 1 5 2 2 3 2 1 0 0 0 16 1980 0 2 3 3 5 5 1 0 3 1 0 0 23 1981 2 1 2 6 3 3 6 0 1 0 0 0 24 1982 0 0 1 0 2 0 0 1 0 0 0 0 4 1983 2 2 1 0 1 0 1 2 0 0 0 0 9 1984 0 0 0 0 1 0 0 0 0 3 0 0 4 1985 0 0 1 0 1 1 14 8 1 1 0 1 28 1986 1 1 1 0 1 1 3 8 2 0 0 3 21 1987 1 0 6 2 4 0 0 0 1 2 1 8 25 1988 7 3 10 0 1 1 3 2 0 0 1 4 32 1989 2 1 7 0 0 1 9 3 3 4 0 1 31 1990 5 1 6 3 4 2 9 6 1 2 0 0 39 1991 0 1 2 3 7 0 3 2 3 0 0 1 22 1992 3 3 2 1 4 3 4 2 3 0 1 0 26 1993 0 1 2 2 5 3 2 2 3 1 6 1 28 1994 0 3 4 4 11 5 12 6 2 1 0 1 49 1995 3 3 2 0 3 3 2 4 6 3 4 0 33 1996 0 1 0 1 2 2 7 3 1 2 1 0 20 1997 0 5 4 4 5 15 10 6 7 3 0 0 59 1998 2 8 6 9 5 3 6 9 3 4 1 0 56 1999 2 1 7 10 9 7 8 6 3 1 0 0 54 2000 1 4 12 4 3 5 5 6 3 2 0 0 45 2001 0 6 2 4 13 12 24 16 4 4 8 0 93 2002 0 4 6 9 16 11 7 10 2 2 0 4 71 2003 4 4 9 6 12 16 14 9 2 3 4 5 88 2004 4 1 5 9 10 8 7 5 1 0 4 2 56 2005 7 5 6 7 13 7 16 8 1 1 2 2 75 MEAN 1.6 2.0 3.7 2.9 4.3 3.8 6.0 4.0 1.8 1.0 0.9 1.1 33.1 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 34 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M PREVAILING WIND DIRECTION , SPEED (IN KNOTS) AND PERCENT YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 *** *** *** *** 360 360 315 360 360 360 360 360 *** PREVAIL. DIRECT. ***** ***** ***** ***** 8.3 10.0 11.7 14.0 9.2 9.8 10.4 9.8 ***** PREVAIL. SPEED ***** ***** ***** ***** 51.9 48.3 43.1 44.0 34.6 53.3 52.7 53.5 ***** PREVAIL. PERCENT ***** ***** ***** ***** 3.7 1.3 4.0 0.0 7.1 1.7 0.0 0.0 ***** CALMS PERCENT **** **** **** **** 135 240 248 248 240 180 150 155 1596 WIND OBSER. NO. 1957 360 360 360 360 360 360 360 360 360 360 360 360 360 PREVAIL. DIRECT. 5.5 7.5 7.3 7.6 8.9 11.4 11.9 10.5 11.0 8.6 6.6 5.4 8.7 PREVAIL. SPEED 49.0 47.1 36.8 41.3 31.6 35.5 42.3 45.2 35.8 35.5 34.6 30.6 38.4 PREVAIL. PERCENT 0.0 0.0 0.0 0.0 0.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 CALMS PERCENT 155 140 155 150 155 203 248 248 240 248 240 248 2430 WIND OBSER. NO. 1958 360 360 360 270 360 360 360 360 360 360 360 360 360 PREVAIL. DIRECT. 4.9 7.2 7.1 9.2 9.9 8.2 11.6 8.4 7.9 7.3 6.3 6.0 8.1 PREVAIL. SPEED 30.2 33.0 30.2 28.8 46.4 46.3 60.9 66.1 49.6 44.0 38.8 33.2 42.1 PREVAIL. PERCENT 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 CALMS PERCENT 248 224 248 240 248 240 248 248 240 248 240 247 2919 WIND OBSER. NO. 1959 360 360 270 270 270 360 360 360 360 360 360 360 360 PREVAIL. DIRECT. 5.5 7.7 10.0 9.9 10.1 7.6 10.9 8.5 8.1 7.6 5.8 5.5 7.5 PREVAIL. SPEED 40.7 29.0 35.1 41.7 39.1 40.0 52.0 45.6 44.2 39.5 36.3 36.3 37.7 PREVAIL. PERCENT 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 CALMS PERCENT 248 224 248 240 248 240 248 248 240 248 240 248 2920 WIND OBSER. NO. 1960 270 360 270 270 360 360 360 360 360 360 360 360 360 PREVAIL. DIRECT. 9.8 6.4 11.3 9.5 8.0 8.0 9.0 8.5 8.5 7.0 6.7 6.9 7.6 PREVAIL. SPEED 37.1 34.1 35.1 36.7 39.1 41.3 52.0 57.7 57.5 51.6 45.0 49.2 42.7 PREVAIL. PERCENT 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 CALMS PERCENT 248 232 248 240 248 240 248 248 240 248 240 248 2928 WIND OBSER. NO. 1961 360 270 270 270 270 360 360 315 360 315 360 315 360 PREVAIL. DIRECT. 6.8 10.9 12.9 10.8 10.9 13.0 12.4 9.7 9.5 9.2 7.3 8.1 10.0 PREVAIL. SPEED 36.3 29.9 40.3 27.5 32.3 41.7 48.0 46.0 45.4 45.2 30.8 36.7 35.0 PREVAIL. PERCENT 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 CALMS PERCENT 248 224 248 240 248 240 248 248 240 248 240 248 2920 WIND OBSER. NO. 1962 360 270 270 315 360 360 360 360 360 315 360 360 360 PREVAIL. DIRECT. 9.4 10.6 12.0 10.2 10.8 13.9 17.0 14.2 14.0 11.7 10.1 9.5 11.8 PREVAIL. SPEED 41.5 31.3 32.3 37.5 47.9 44.7 48.4 52.9 58.0 43.9 47.3 40.6 40.4 PREVAIL. PERCENT 0.0 0.0 0.0 0.0 0.0 0.7 0.0 0.0 0.0 0.0 0.0 0.0 0.0 CALMS PERCENT 248 224 248 240 219 150 155 155 150 155 150 155 2249 WIND OBSER. NO. 1963 360 315 315 270 270 360 360 360 360 360 360 360 360 PREVAIL. DIRECT. 9.0 9.1 10.6 10.6 11.5 10.7 13.5 12.5 12.7 9.9 8.4 6.5 10.5 PREVAIL. SPEED 47.1 41.4 38.1 37.3 39.4 42.7 54.2 49.7 44.7 40.0 44.0 37.4 36.5 PREVAIL. PERCENT 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 10.7 11.6 1.9 CALMS PERCENT 155 140 155 150 155 150 155 155 150 155 150 155 1825 WIND OBSER. NO. 1964 360 360 315 270 360 360 360 360 360 315 270 270 360 PREVAIL. DIRECT. 8.5 7.3 8.8 10.4 9.7 11.1 11.8 10.6 13.0 8.5 9.0 5.7 10.0 PREVAIL. SPEED 31.6 41.4 35.5 38.0 40.6 40.7 48.4 46.5 47.3 40.0 40.0 32.9 35.7 PREVAIL. PERCENT 12.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 7.3 2.6 1.9 CALMS PERCENT 155 145 155 150 155 150 155 155 150 155 150 155 1830 WIND OBSER. NO. 1965 360 360 360 270 270 270 360 270 270 270 270 270 270 PREVAIL. DIRECT. 5.6 8.4 9.0 11.4 10.6 9.9 11.0 9.7 9.0 6.2 7.3 5.9 9.1 PREVAIL. SPEED 30.0 32.1 31.9 48.8 36.7 36.3 43.1 44.8 45.4 41.9 42.1 41.1 37.0 PREVAIL. PERCENT 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 2.1 2.4 6.7 5.2 1.4 CALMS PERCENT 223 224 248 240 248 240 248 248 240 248 240 248 2895 WIND OBSER. NO. 1966 270 270 270 270 270 270 270 270 270 270 270 270 270 PREVAIL. DIRECT. 5.5 5.6 5.8 5.7 5.9 6.4 5.3 4.9 6.9 4.9 6.1 5.6 5.7 PREVAIL. SPEED 50.0 43.8 38.7 41.7 34.7 37.9 35.5 39.1 43.3 41.5 48.3 44.4 41.5 PREVAIL. PERCENT 4.4 5.4 2.4 3.3 1.2 1.3 1.6 1.2 0.8 0.0 0.0 0.4 1.8 CALMS PERCENT 248 224 248 240 248 240 248 248 240 248 240 248 2920 WIND OBSER. NO. 1967 270 270 270 270 270 270 270 270 270 270 270 270 270 PREVAIL. DIRECT. 5.2 6.5 6.0 5.7 5.7 5.1 4.5 5.0 5.5 6.3 5.2 4.4 5.4 PREVAIL. SPEED 44.0 34.8 37.5 37.5 39.9 30.8 37.5 37.5 36.1 32.7 46.3 39.9 38.0 PREVAIL. PERCENT 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 2.8 0.2 CALMS PERCENT 248 224 248 240 248 240 248 248 205 214 240 248 2851 WIND OBSER. NO. 1968 270 270 270 270 270 270 360 270 270 270 270 270 270 PREVAIL. DIRECT. 5.1 6.3 5.1 5.8 6.1 4.5 6.9 5.0 4.8 5.0 4.6 4.6 5.2 PREVAIL. SPEED 39.5 30.2 40.7 38.3 36.7 30.4 33.1 34.7 42.5 43.5 41.3 42.7 37.5 PREVAIL. PERCENT 4.0 17.2 3.6 3.8 0.4 6.3 9.3 8.1 2.1 7.7 8.3 8.5 6.6 CALMS PERCENT 248 232 248 240 248 240 248 248 240 248 240 248 2928 WIND OBSER. NO. 1969 270 270 270 270 270 360 360 360 360 270 270 270 270 PREVAIL. DIRECT. 4.5 4.1 5.4 6.0 4.7 6.7 5.7 6.6 6.4 6.1 4.4 4.6 5.1 PREVAIL. SPEED 31.0 30.8 39.1 35.8 32.3 44.0 36.8 45.8 33.3 23.4 23.3 28.4 27.8 PREVAIL. PERCENT 17.3 6.7 8.1 7.1 4.6 6.0 4.5 3.2 6.7 5.1 16.7 23.9 9.2 CALMS PERCENT 248 224 248 240 195 150 155 155 150 158 150 155 2228 WIND OBSER. NO. 1970 270 270 270 270 45 360 360 360 360 270 45 270 270 PREVAIL. DIRECT. 5.2 4.9 5.4 7.3 4.7 6.8 8.3 8.5 8.3 5.6 4.1 5.4 5.5 PREVAIL. SPEED 22.6 15.0 14.2 19.5 27.1 25.3 41.3 20.6 26.7 23.2 26.4 36.1 18.8 PREVAIL. PERCENT 43.2 47.1 44.5 24.8 12.9 16.0 13.5 36.8 18.0 27.7 5.0 9.0 25.1 CALMS PERCENT 155 140 155 149 155 150 155 155 150 155 121 155 1795 WIND OBSER. NO. 1971 270 270 270 270 45 45 45 45 45 45 270 270 270 PREVAIL. DIRECT. 4.9 5.6 6.1 7.5 5.7 5.7 7.7 5.6 6.3 5.0 5.2 5.4 6.1 PREVAIL. SPEED 27.7 32.1 27.7 30.7 23.9 32.0 36.1 35.5 26.7 29.0 27.3 25.8 24.7 PREVAIL. PERCENT 4.5 10.0 8.4 4.0 7.7 4.0 1.9 3.2 1.3 2.6 19.3 28.4 7.9 CALMS PERCENT 155 140 155 150 155 150 155 155 150 155 150 155 1825 WIND OBSER. NO. 1972 270 270 270 270 270 45 360 45 45 270 270 90 270 PREVAIL. DIRECT. 5.9 6.0 7.9 5.9 6.5 6.3 8.9 6.3 6.2 5.3 4.5 5.1 5.8 PREVAIL. SPEED 12.3 13.1 20.6 20.0 22.6 20.7 25.2 28.4 20.7 25.8 16.7 17.4 16.6 PREVAIL. PERCENT 59.4 41.4 43.2 32.7 29.7 44.7 18.7 11.0 38.0 44.5 58.0 45.2 38.8 CALMS PERCENT 155 145 155 150 155 150 155 155 150 155 150 155 1830 WIND OBSER. NO. 1973 270 270 270 270 270 45 45 45 45 45 270 90 270 PREVAIL. DIRECT. 5.9 7.3 6.1 7.5 5.2 5.6 5.1 6.4 4.9 4.9 6.1 4.4 5.9 PREVAIL. SPEED 25.2 33.6 25.2 19.3 19.4 16.0 23.2 30.3 24.0 22.6 20.7 17.4 19.0 PREVAIL. PERCENT 32.9 21.4 20.6 45.3 35.5 44.7 38.1 25.2 32.7 39.4 39.3 43.2 34.9 CALMS PERCENT 155 140 155 150 155 150 155 155 150 155 150 155 1825 WIND OBSER. NO. 1974 270 90 270 270 45 45 45 45 45 45 45 45 45 PREVAIL. DIRECT. 8.2 5.3 5.8 7.0 5.6 6.7 6.5 5.4 4.8 4.8 4.7 4.5 5.5 PREVAIL. SPEED 17.4 14.3 32.3 36.7 25.8 31.3 29.7 34.8 29.3 32.3 19.3 16.8 23.4 PREVAIL. PERCENT 41.3 37.1 22.6 16.7 21.9 11.3 9.0 21.3 18.0 20.0 34.7 36.1 24.1 CALMS PERCENT 155 140 155 150 155 150 155 155 150 155 150 155 1825 WIND OBSER. NO. 1975 270 270 270 270 270 45 45 45 45 45 270 270 270 PREVAIL. DIRECT. 6.2 6.3 6.0 5.5 5.6 5.3 4.9 5.5 5.0 4.8 4.9 5.0 5.4 PREVAIL. SPEED 17.4 34.3 27.1 18.7 23.9 24.7 29.7 30.3 29.3 26.5 25.3 20.0 22.1 PREVAIL. PERCENT 33.5 18.6 24.5 35.3 24.5 15.3 14.2 14.2 12.0 20.6 17.3 28.4 21.6 CALMS PERCENT 155 140 155 150 155 150 155 155 150 155 150 155 1825 WIND OBSER. NO. 1976 270 45 90 270 270 360 45 45 45 270 45 270 45 PREVAIL. DIRECT. 4.8 4.7 4.6 5.2 6.6 6.6 5.7 6.1 4.9 4.8 5.2 4.8 5.3 PREVAIL. SPEED 24.5 19.3 18.1 22.7 17.4 26.0 25.2 31.0 26.0 23.9 28.0 21.9 19.6 PREVAIL. PERCENT 31.0 22.8 27.1 29.3 23.2 14.7 30.3 21.9 26.7 32.9 38.7 38.1 28.1 CALMS PERCENT 155 145 155 150 155 150 155 155 150 155 150 155 1830 WIND OBSER. NO. 1977 45 45 270 45 45 45 45 45 45 45 270 45 45 PREVAIL. DIRECT. 5.4 4.8 6.6 5.4 5.6 6.6 6.1 7.0 5.8 6.0 6.4 5.4 5.8 PREVAIL. SPEED 13.5 29.3 29.0 17.3 28.4 25.3 32.3 25.8 28.7 23.9 17.3 13.5 23.0 PREVAIL. PERCENT 49.7 26.4 22.6 36.0 23.9 19.3 18.1 9.7 18.7 32.3 45.3 58.7 30.1 CALMS PERCENT 155 140 155 150 155 150 155 155 150 155 150 155 1825 WIND OBSER. NO. 1978 270 45 270 270 45 45 45 45 45 270 270 270 45 PREVAIL. DIRECT. 6.3 7.0 6.1 6.5 5.8 6.0 6.8 5.9 5.6 7.0 5.3 6.7 6.0 PREVAIL. SPEED 18.1 17.9 16.8 20.7 17.4 24.7 21.9 25.2 24.0 20.0 17.3 16.8 17.9 PREVAIL. PERCENT 39.4 42.9 36.1 36.0 37.4 30.7 25.8 31.0 32.7 43.9 51.3 55.5 38.5 CALMS PERCENT 155 140 155 150 155 150 155 155 150 155 150 155 1825 WIND OBSER. NO. 1979 270 45 270 270 45 45 315 360 45 45 45 270 45 PREVAIL. DIRECT. 5.7 4.8 7.1 6.2 5.3 5.7 7.3 7.6 6.0 5.1 5.3 5.7 5.5 PREVAIL. SPEED 14.9 20.0 21.3 23.3 23.2 22.7 24.5 32.9 25.3 17.4 20.7 18.2 19.6 PREVAIL. PERCENT 48.7 30.7 32.3 34.0 18.7 31.3 23.2 11.6 18.0 49.7 49.3 40.3 32.3 CALMS PERCENT 154 140 155 150 155 150 155 155 150 155 150 154 1823 WIND OBSER. NO. 1980 270 45 270 270 45 45 360 45 45 270 270 270 45 PREVAIL. DIRECT. 5.5 5.5 5.0 5.6 6.5 7.0 8.2 6.1 7.3 5.8 5.4 4.9 6.0 PREVAIL. SPEED 21.9 22.8 24.5 24.7 23.9 28.0 29.7 26.5 22.0 20.0 20.0 23.9 18.9 PREVAIL. PERCENT 36.8 29.7 35.5 29.3 38.7 20.0 12.9 25.8 34.0 45.2 44.0 52.3 33.7 CALMS PERCENT 155 145 155 150 155 150 155 155 150 155 150 155 1830 WIND OBSER. NO. 1981 270 270 270 270 45 45 360 360 270 45 270 270 45 PREVAIL. DIRECT. 7.2 5.3 6.1 6.8 5.8 5.7 7.3 6.7 5.8 4.8 4.9 5.0 5.5 PREVAIL. SPEED 16.8 20.1 21.9 22.2 18.1 19.5 26.5 25.2 18.7 19.4 20.1 14.2 16.6 PREVAIL. PERCENT 45.2 41.0 40.6 29.9 45.2 41.6 20.6 21.9 34.0 42.6 45.0 52.9 38.4 CALMS PERCENT 155 139 155 144 155 149 155 155 150 155 149 155 1816 WIND OBSER. NO. 1982 270 45 270 45 45 45 360 45 360 270 45 45 45 PREVAIL. DIRECT. 7.3 5.9 6.1 5.4 5.9 5.9 6.0 5.9 6.4 4.9 4.7 5.1 5.7 PREVAIL. SPEED 9.7 10.7 12.3 14.7 17.4 26.0 19.4 26.5 16.0 8.4 8.0 5.8 13.1 PREVAIL. PERCENT 66.5 59.3 52.9 46.0 38.7 32.0 40.0 29.7 44.7 63.9 77.3 83.2 52.8 CALMS PERCENT 155 140 155 150 155 150 155 155 150 155 150 155 1825 WIND OBSER. NO. 1983 45 270 270 45 45 360 360 45 45 45 315 270 45 PREVAIL. DIRECT. 6.2 6.0 6.7 5.1 5.0 6.4 5.9 5.5 5.6 5.8 6.3 5.8 5.4 PREVAIL. SPEED 12.3 18.6 11.0 12.0 14.8 16.0 22.6 12.3 18.0 19.4 12.7 5.9 11.6 PREVAIL. PERCENT 61.3 59.3 58.7 56.7 52.3 50.0 32.9 51.6 50.0 44.5 55.3 83.4 55.4 CALMS PERCENT 155 140 155 150 155 150 155 155 150 155 150 205 1875 WIND OBSER. NO. 1984 270 360 270 270 225 360 360 45 360 270 270 135 270 PREVAIL. DIRECT. 5.9 7.8 7.2 6.5 7.1 6.4 7.1 6.3 6.9 6.8 6.1 5.0 6.4 PREVAIL. SPEED 8.1 3.9 8.1 6.7 6.0 15.8 17.7 11.3 7.9 10.5 7.1 0.8 5.5 PREVAIL. PERCENT 82.7 84.9 70.6 70.4 73.8 57.9 61.3 76.2 80.0 70.6 85.0 96.4 75.8 CALMS PERCENT 248 232 248 240 248 240 248 248 240 248 240 248 2928 WIND OBSER. NO. 1985 360 270 270 270 270 360 360 360 315 315 270 270 315 PREVAIL. DIRECT. 7.2 8.6 7.1 9.6 9.9 8.9 9.8 9.0 9.6 9.6 9.1 8.5 8.9 PREVAIL. SPEED 4.0 10.3 3.6 22.1 21.4 17.7 21.3 28.2 25.9 24.6 15.4 14.5 14.2 PREVAIL. PERCENT 92.7 81.7 87.5 37.1 25.0 30.4 33.5 26.6 44.8 47.6 60.4 64.1 52.6 CALMS PERCENT 248 224 248 240 248 237 230 248 239 248 240 248 2898 WIND OBSER. NO. 1986 270 270 315 270 270 45 45 360 270 270 315 270 270 PREVAIL. DIRECT. 11.2 8.8 7.7 9.3 9.6 6.1 6.6 9.6 10.3 11.7 10.2 11.0 9.6 PREVAIL. SPEED 14.5 10.7 12.9 18.3 21.4 15.9 15.7 24.2 34.6 22.2 13.8 12.5 17.3 PREVAIL. PERCENT 62.9 68.8 60.5 52.5 42.7 36.0 44.8 15.7 36.3 46.0 60.4 66.5 49.3 CALMS PERCENT 248 224 248 240 248 239 248 248 240 248 240 248 2919 WIND OBSER. NO. 1987 270 270 270 315 270 315 315 315 315 270 270 270 270 PREVAIL. DIRECT. 9.7 10.8 13.3 9.1 12.0 10.5 10.2 9.1 7.7 9.6 10.8 10.8 10.6 PREVAIL. SPEED 24.6 20.1 33.5 21.7 24.2 19.2 22.6 25.8 20.8 15.3 23.3 20.6 21.5 PREVAIL. PERCENT 48.4 54.5 30.6 27.5 38.3 40.0 20.2 12.9 20.0 32.7 40.8 60.1 35.4 CALMS PERCENT 248 224 248 240 248 240 248 248 240 248 240 248 2920 WIND OBSER. NO. 1988 270 315 270 270 315 315 315 315 315 315 270 270 315 PREVAIL. DIRECT. 9.8 7.1 13.7 11.6 11.5 10.9 12.8 11.6 11.8 11.7 11.8 12.4 11.4 PREVAIL. SPEED 15.3 11.6 20.2 14.6 26.6 25.4 23.0 27.0 27.5 25.4 22.1 21.0 19.0 PREVAIL. PERCENT 64.9 60.8 44.0 51.7 17.7 19.2 20.2 16.5 13.8 21.4 36.3 46.0 34.3 CALMS PERCENT 248 232 248 240 248 240 248 248 240 248 240 248 2928 WIND OBSER. NO. 1989 270 270 270 270 45 270 360 315 315 270 270 315 270 PREVAIL. DIRECT. 10.1 12.6 14.8 14.3 9.7 10.7 13.3 12.9 13.7 13.8 11.0 9.6 12.5 PREVAIL. SPEED 18.1 14.3 22.6 26.7 20.6 23.8 29.4 29.0 24.6 26.6 17.9 23.4 19.5 PREVAIL. PERCENT 49.2 49.1 40.7 35.0 31.5 24.6 15.3 22.6 38.3 33.5 52.5 47.2 36.5 CALMS PERCENT 248 224 248 240 248 240 248 248 240 248 240 248 2920 WIND OBSER. NO. 1990 270 270 315 270 315 270 270 315 270 270 270 270 270 PREVAIL. DIRECT. 10.7 10.5 9.6 12.2 10.5 10.5 9.5 11.1 11.0 11.6 10.9 12.9 11.0 PREVAIL. SPEED 10.9 17.4 22.2 23.3 27.8 25.0 21.4 23.8 22.1 19.8 22.5 14.5 18.5 PREVAIL. PERCENT 57.3 49.6 33.9 33.8 23.0 29.6 27.8 30.6 31.7 44.8 49.2 58.9 39.1 CALMS PERCENT 248 224 248 240 248 240 248 248 240 248 240 248 2920 WIND OBSER. NO. 1991 270 270 270 315 270 270 315 270 315 270 270 270 270 PREVAIL. DIRECT. 10.2 12.4 10.8 11.8 8.8 9.7 10.2 9.1 9.9 7.4 7.9 10.9 9.5 PREVAIL. SPEED 11.7 13.8 11.7 13.8 18.1 15.0 15.7 16.5 17.1 19.0 15.8 19.8 15.1 PREVAIL. PERCENT 72.2 63.4 69.4 60.0 51.6 46.3 47.6 41.1 42.5 50.8 62.1 65.7 56.0 CALMS PERCENT 248 224 248 240 248 240 248 248 240 248 240 248 2920 WIND OBSER. NO. 1992 270 270 270 270 315 270 360 360 315 270 270 270 270 PREVAIL. DIRECT. 9.9 7.8 8.5 7.8 8.5 7.2 7.5 7.1 7.4 7.8 6.8 9.0 7.5 PREVAIL. SPEED 8.9 16.8 12.5 20.8 15.3 20.0 17.3 19.0 12.9 13.3 14.6 7.7 13.7 PREVAIL. PERCENT 71.0 55.2 58.5 43.8 55.2 38.3 45.2 46.4 57.9 64.9 66.7 81.5 57.1 CALMS PERCENT 248 232 248 240 248 240 248 248 240 248 240 248 2928 WIND OBSER. NO. 1993 270 315 270 270 315 315 360 360 315 315 315 270 270 PREVAIL. DIRECT. 10.7 9.9 8.9 10.5 10.2 10.5 9.2 10.4 9.5 8.9 10.1 7.8 9.5 PREVAIL. SPEED 9.3 5.8 14.5 20.8 13.7 17.9 18.1 18.1 16.7 12.5 8.8 8.9 11.5 PREVAIL. PERCENT 78.2 75.4 56.9 47.9 52.0 34.6 50.4 50.4 47.9 62.1 70.8 80.2 58.9 CALMS PERCENT 248 224 248 240 248 240 248 248 240 248 240 248 2920 WIND OBSER. NO. 1994 270 270 270 270 270 270 360 315 360 270 270 270 270 PREVAIL. DIRECT. 10.0 9.6 11.7 11.6 12.3 10.8 11.4 10.8 11.4 11.0 10.9 13.2 11.0 PREVAIL. SPEED 12.1 16.1 14.1 14.2 15.7 15.8 19.4 19.4 16.3 20.6 19.2 8.5 14.4 PREVAIL. PERCENT 65.3 60.7 62.1 50.0 54.0 47.1 41.5 41.1 37.5 40.3 50.0 62.5 51.0 CALMS PERCENT 248 224 248 240 248 240 248 248 240 248 240 248 2920 WIND OBSER. NO. 1995 270 270 270 270 270 270 270 270 270 270 270 45 270 PREVAIL. DIRECT. 10.0 11.5 10.3 11.9 12.1 12.4 11.4 11.5 10.9 10.8 9.9 7.1 11.1 PREVAIL. SPEED 21.0 21.0 18.1 21.3 17.7 18.3 14.9 17.7 21.3 15.7 22.9 5.6 17.7 PREVAIL. PERCENT 54.8 50.4 46.8 36.3 41.5 51.3 54.4 40.7 45.8 52.0 40.4 75.8 49.2 CALMS PERCENT 248 224 248 240 248 240 248 248 240 248 240 248 2920 WIND OBSER. NO. 1996 270 270 270 270 270 360 360 360 270 270 270 270 270 PREVAIL. DIRECT. 10.4 10.5 11.5 10.0 10.9 11.2 12.1 11.6 11.4 11.3 9.8 8.7 10.6 PREVAIL. SPEED 11.3 13.4 13.7 17.9 23.8 22.5 43.1 25.8 25.8 25.8 13.3 15.3 16.9 PREVAIL. PERCENT 64.1 52.2 52.4 40.4 36.3 30.4 25.0 28.6 28.8 34.3 57.9 58.5 42.4 CALMS PERCENT 248 232 248 240 248 240 248 248 240 248 240 248 2928 WIND OBSER. NO. 1997 270 270 270 270 270 270 270 270 270 270 270 270 270 PREVAIL. DIRECT. 10.8 10.1 12.0 11.2 10.9 11.3 9.9 10.9 12.7 11.3 10.3 10.6 11.1 PREVAIL. SPEED 21.0 12.9 20.2 27.1 27.0 23.0 20.4 21.4 24.2 23.4 13.3 8.1 20.2 PREVAIL. PERCENT 48.8 61.6 42.7 27.9 29.4 28.5 35.5 29.0 37.1 40.7 57.9 66.9 42.1 CALMS PERCENT 248 224 248 240 248 239 245 248 240 248 240 248 2916 WIND OBSER. NO. 1998 270 270 270 270 270 360 360 360 315 270 270 270 270 PREVAIL. DIRECT. 11.3 12.1 10.2 10.1 8.5 9.3 10.7 10.1 9.0 8.7 9.5 7.5 9.4 PREVAIL. SPEED 10.9 22.8 18.1 15.0 19.4 20.0 18.5 19.0 18.8 19.0 24.2 21.0 17.6 PREVAIL. PERCENT 60.9 31.3 49.6 46.3 46.4 36.3 31.0 37.1 41.7 41.5 40.8 56.5 43.4 CALMS PERCENT 248 224 248 240 248 240 248 248 240 248 240 248 2920 WIND OBSER. NO. 1999 45 270 270 270 315 315 315 360 270 270 270 315 315 PREVAIL. DIRECT. 7.7 9.0 8.5 9.5 8.2 7.4 8.3 9.1 8.2 8.9 9.7 7.6 8.4 PREVAIL. SPEED 9.3 13.8 10.9 12.9 17.7 17.1 18.5 21.4 14.6 16.5 9.6 6.9 12.4 PREVAIL. PERCENT 66.5 54.0 58.1 50.4 38.3 41.7 36.7 34.7 49.2 50.0 68.8 78.6 52.2 CALMS PERCENT 248 224 248 240 248 240 248 248 240 248 240 248 2920 WIND OBSER. NO. 2000 270 270 270 315 315 360 360 360 270 270 45 270 270 PREVAIL. DIRECT. 12.3 9.2 9.9 9.5 8.5 9.9 10.9 11.2 9.4 10.3 9.0 9.0 9.6 PREVAIL. SPEED 8.9 10.8 11.3 18.3 15.7 16.7 31.0 21.0 11.7 16.9 9.6 10.1 12.6 PREVAIL. PERCENT 68.5 62.1 52.0 47.9 50.4 40.4 38.3 46.4 58.8 53.2 65.8 71.4 54.6 CALMS PERCENT 248 232 248 240 248 240 248 248 240 248 240 248 2928 WIND OBSER. NO. 2001 270 270 270 270 270 315 360 360 270 270 270 270 270 PREVAIL. DIRECT. 9.9 10.2 9.7 10.0 8.9 9.1 10.3 10.5 10.4 9.4 9.1 8.5 9.4 PREVAIL. SPEED 9.7 13.8 15.3 19.6 17.7 17.1 16.1 25.0 17.5 19.4 11.3 8.9 13.6 PREVAIL. PERCENT 71.0 62.9 55.6 37.1 37.9 35.8 44.0 41.1 47.5 50.0 63.3 73.4 51.6 CALMS PERCENT 248 224 248 240 248 240 248 248 240 248 240 248 2920 WIND OBSER. NO. 2002 270 315 270 270 315 360 360 360 270 270 315 270 270 PREVAIL. DIRECT. 8.6 9.6 9.7 9.4 8.6 9.1 8.9 9.3 9.5 9.9 6.5 8.9 9.1 PREVAIL. SPEED 9.7 13.4 15.7 18.3 14.5 18.3 20.6 18.5 18.8 28.2 10.8 8.5 14.7 PREVAIL. PERCENT 58.1 56.3 50.8 42.9 39.9 36.7 32.3 33.5 39.6 38.7 65.0 66.5 46.6 CALMS PERCENT 248 224 248 240 248 240 248 248 240 248 240 248 2920 WIND OBSER. NO. 2003 270 270 270 270 45 270 270 270 270 270 270 270 270 PREVAIL. DIRECT. 9.3 11.9 10.3 9.5 9.7 8.2 8.3 8.7 8.4 9.6 7.7 7.7 9.1 PREVAIL. SPEED 27.8 28.6 30.2 29.6 19.0 19.2 23.8 25.0 25.8 30.2 24.6 19.3 25.2 PREVAIL. PERCENT 22.6 21.9 21.0 16.3 20.6 22.5 10.5 15.3 12.5 14.9 23.3 29.8 19.2 CALMS PERCENT 248 224 248 240 248 240 248 248 240 248 240 228 2900 WIND OBSER. NO. 2004 270 270 270 270 270 270 270 270 270 270 315 315 270 PREVAIL. DIRECT. 7.8 8.6 9.8 9.8 9.4 8.9 7.5 7.3 7.7 8.3 8.8 7.5 8.7 PREVAIL. SPEED 25.4 32.8 30.5 33.3 41.1 42.5 39.9 25.0 27.5 23.4 35.8 28.6 29.7 PREVAIL. PERCENT 19.8 21.1 14.4 13.8 11.7 21.7 18.5 24.2 25.8 33.5 3.3 11.7 18.3 CALMS PERCENT 248 232 236 240 248 240 248 248 240 248 240 248 2916 WIND OBSER. NO. 2005 315 360 315 315 315 315 360 360 315 315 315 315 315 PREVAIL. DIRECT. 8.3 12.9 10.7 10.7 10.6 11.0 16.0 15.6 11.1 10.5 8.7 9.2 10.1 PREVAIL. SPEED 23.8 29.5 25.0 31.3 33.1 34.2 37.9 40.3 37.5 34.3 36.7 36.3 31.4 PREVAIL. PERCENT 11.3 14.3 7.7 9.2 3.6 2.1 1.6 0.8 2.5 2.8 7.5 6.0 5.7 CALMS PERCENT 248 224 248 240 248 240 248 248 240 248 240 248 2920 WIND OBSER. NO. 1956-2005 270 270 270 270 270 360 360 360 270 270 270 270 270 PREVAIL. DIRECT. 8.0 8.8 9.1 9.0 8.8 9.2 10.4 10.0 8.7 8.6 7.8 7.6 8.5 PREVAIL. SPEED 19.5 19.8 22.7 24.2 22.0 21.2 27.7 26.5 20.6 21.6 21.2 18.9 20.3 PREVAIL. PERCENT MEAN 39.9 35.8 32.2 27.6 25.3 23.2 21.7 21.3 25.3 29.4 35.7 41.6 29.9 CALMS PERCENT MEAN 215.2 196.6 215.5 208.6 212.5 206.7 214.1 214.5 206.9 212.5 205.2 213.2 2521.5 WIND OBSER. NO. =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 35 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M VECTOR WIND DIRECTION , MAGNITUDE (IN KNOTS) AND WIND STEADINESES (%) YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 *** *** *** *** 338 347 339 349 348 340 352 349 *** VECTOR DIRECT. **** **** **** **** 4.3 7.3 8.6 9.8 6.6 7.9 7.5 7.1 **** WIND MAGNITUDE ***** ***** ***** ***** 50.6 75.3 77.5 83.1 80.5 83.2 83.3 83.5 ***** STEADINESES(%) 1957 315 329 300 309 307 336 336 337 327 323 325 314 324 VECTOR DIRECT. 4.6 5.4 4.7 3.9 5.1 6.8 7.5 7.5 7.1 5.5 4.1 3.6 5.4 WIND MAGNITUDE 63.9 62.8 55.3 41.9 53.7 68.7 67.0 71.4 70.3 64.0 59.4 59.0 60.7 STEADINESES(%) 1958 315 329 308 300 334 330 358 348 332 326 326 317 330 VECTOR DIRECT. 3.1 3.7 4.1 4.1 6.3 5.5 8.3 6.6 6.0 5.6 4.7 4.5 5.0 WIND MAGNITUDE 51.7 48.7 51.9 49.4 65.6 68.8 78.3 77.6 69.8 65.9 70.1 67.2 61.7 STEADINESES(%) 1959 324 293 286 294 301 314 331 323 321 317 311 314 313 VECTOR DIRECT. 3.9 3.5 4.2 5.3 5.7 5.3 8.1 6.8 7.3 6.4 4.9 4.7 5.4 WIND MAGNITUDE 60.9 36.5 47.7 60.9 65.5 66.2 74.3 71.6 74.5 69.6 70.0 71.2 62.8 STEADINESES(%) 1960 304 303 295 294 321 312 336 335 333 330 322 328 319 VECTOR DIRECT. 5.1 5.4 5.9 4.7 6.1 6.0 6.8 6.7 6.9 5.3 4.9 5.9 5.6 WIND MAGNITUDE 66.2 64.3 60.2 56.6 70.9 65.9 79.1 77.9 78.4 66.2 67.1 77.6 66.7 STEADINESES(%) 1961 323 318 291 324 316 335 340 344 340 338 322 322 328 VECTOR DIRECT. 5.1 6.0 6.8 6.2 7.1 9.7 9.6 10.7 7.8 8.3 5.7 6.6 7.2 WIND MAGNITUDE 64.6 64.5 62.4 66.7 71.0 78.9 85.7 90.7 85.7 86.5 70.4 75.9 72.7 STEADINESES(%) 1962 328 317 307 320 340 343 342 345 349 333 337 329 335 VECTOR DIRECT. 7.1 7.2 7.6 8.2 9.0 10.4 14.1 12.0 12.0 9.5 7.1 6.9 9.0 WIND MAGNITUDE 77.2 73.5 66.7 74.5 84.1 83.9 91.6 91.6 95.2 84.8 75.5 74.2 79.6 STEADINESES(%) 1963 332 321 305 312 298 335 348 340 332 333 326 320 327 VECTOR DIRECT. 6.1 6.9 7.4 8.0 7.4 8.8 11.3 9.8 8.9 7.0 4.7 4.0 7.3 WIND MAGNITUDE 68.5 73.4 65.5 74.1 69.2 85.4 95.8 86.7 78.8 76.9 67.1 58.0 73.7 STEADINESES(%) 1964 334 324 324 299 335 331 337 337 335 325 303 336 328 VECTOR DIRECT. 4.2 5.8 6.8 5.6 6.3 7.7 9.4 7.7 8.8 7.1 4.4 3.4 6.3 WIND MAGNITUDE 65.6 68.2 68.7 51.4 66.3 77.8 83.9 80.2 77.2 82.6 56.4 61.8 69.2 STEADINESES(%) 1965 315 327 318 288 312 318 327 322 311 277 283 297 311 VECTOR DIRECT. 2.5 4.3 4.9 6.5 6.6 6.6 7.6 7.5 5.7 2.5 3.4 2.6 4.9 WIND MAGNITUDE 35.7 50.0 53.3 63.7 66.0 69.5 71.0 70.1 64.8 45.5 58.6 52.0 58.3 STEADINESES(%) 1966 286 288 292 294 316 314 326 325 305 301 302 283 305 VECTOR DIRECT. 2.4 2.5 3.0 3.1 3.2 4.0 4.1 3.4 3.9 2.2 3.5 2.8 3.1 WIND MAGNITUDE 52.2 48.1 50.8 55.4 55.2 64.5 68.3 63.0 62.9 46.8 62.5 56.0 56.4 STEADINESES(%) 1967 289 284 275 284 310 327 328 321 321 311 291 300 305 VECTOR DIRECT. 2.3 3.3 2.7 2.7 3.4 3.6 3.2 3.5 2.9 2.6 2.5 2.0 2.7 WIND MAGNITUDE 47.9 55.9 50.9 49.1 58.6 58.1 61.5 64.8 54.7 50.0 54.3 46.5 50.9 STEADINESES(%) 1968 276 282 305 255 308 308 326 322 312 300 280 280 299 VECTOR DIRECT. 2.3 1.9 2.5 2.4 3.0 2.0 3.6 2.5 2.7 2.4 1.6 2.1 2.3 WIND MAGNITUDE 46.0 43.2 53.2 44.4 52.6 47.6 65.5 56.8 60.0 60.0 42.1 51.2 50.0 STEADINESES(%) 1969 286 307 284 280 325 348 350 348 349 323 345 301 327 VECTOR DIRECT. 1.6 1.1 2.4 2.4 2.5 3.4 3.0 3.8 3.1 1.5 1.0 0.8 2.0 WIND MAGNITUDE 43.2 29.7 49.0 47.1 50.0 60.7 66.7 71.7 59.6 33.3 31.3 25.8 44.4 STEADINESES(%) 1970 281 342 296 295 347 360 352 354 342 340 355 299 340 VECTOR DIRECT. 1.0 1.0 0.9 1.5 2.2 2.7 4.4 2.2 3.7 1.6 1.4 1.1 1.8 WIND MAGNITUDE 40.0 38.5 31.0 34.9 47.8 56.3 71.0 55.0 72.5 41.0 32.6 23.9 43.9 STEADINESES(%) 1971 353 258 316 281 340 357 5 5 347 353 333 312 343 VECTOR DIRECT. 1.2 1.4 1.8 2.3 2.1 2.5 5.2 3.6 4.4 1.7 1.0 0.5 2.0 WIND MAGNITUDE 27.9 26.4 36.0 38.3 36.2 43.1 72.2 60.0 64.7 33.3 26.3 14.7 37.0 STEADINESES(%) 1972 306 351 274 318 331 12 5 3 2 325 329 48 350 VECTOR DIRECT. 0.6 0.6 1.5 0.9 1.6 1.7 3.8 3.4 1.9 1.2 0.5 0.9 1.4 WIND MAGNITUDE 25.0 18.8 35.7 23.1 34.8 50.0 66.7 56.7 51.4 40.0 25.0 32.1 37.8 STEADINESES(%) 1973 329 304 292 306 357 12 5 8 2 355 325 5 344 VECTOR DIRECT. 1.2 1.6 1.8 1.9 1.1 1.4 2.0 3.6 1.9 1.3 0.8 0.8 1.4 WIND MAGNITUDE 30.8 34.0 36.7 50.0 33.3 50.0 58.8 75.0 59.4 40.6 26.7 26.7 37.8 STEADINESES(%) 1974 312 84 327 284 357 2 2 14 360 360 356 6 353 VECTOR DIRECT. 1.2 0.4 1.4 2.1 1.4 3.3 4.4 2.9 1.4 1.9 0.8 0.5 1.6 WIND MAGNITUDE 30.8 11.8 32.6 37.5 33.3 57.9 73.3 67.4 35.0 47.5 27.6 15.2 37.2 STEADINESES(%) 1975 360 293 294 339 346 354 1 6 352 1 34 32 351 VECTOR DIRECT. 0.8 1.6 1.3 0.9 1.4 2.8 2.8 3.1 2.6 1.7 0.7 0.6 1.5 WIND MAGNITUDE 24.2 34.8 31.0 27.3 34.1 60.9 63.6 62.0 56.5 42.5 17.9 18.2 36.6 STEADINESES(%) 1976 341 28 342 337 350 3 18 17 358 306 17 13 5 VECTOR DIRECT. 0.4 0.6 0.5 0.4 1.0 2.9 2.1 2.6 1.5 0.7 1.3 0.5 1.2 WIND MAGNITUDE 12.5 14.6 12.8 11.4 23.3 59.2 51.2 55.3 38.5 21.2 40.6 17.2 31.6 STEADINESES(%) 1977 56 347 294 311 356 360 10 352 357 334 326 305 352 VECTOR DIRECT. 0.6 0.9 1.4 0.7 1.5 3.5 3.7 4.2 2.9 0.9 0.5 0.5 1.6 WIND MAGNITUDE 23.1 23.1 30.4 19.4 32.6 63.6 62.7 66.7 60.4 21.4 15.6 20.8 37.2 STEADINESES(%) 1978 331 355 310 287 328 348 348 352 345 333 358 281 335 VECTOR DIRECT. 1.0 0.9 1.4 1.9 0.9 2.2 3.7 3.1 2.2 1.7 0.7 1.0 1.6 WIND MAGNITUDE 27.8 25.0 34.1 46.3 24.3 50.0 72.5 70.5 51.2 47.2 25.9 34.5 41.0 STEADINESES(%) 1979 307 308 329 319 332 354 343 353 350 325 350 332 340 VECTOR DIRECT. 0.8 0.7 1.5 1.3 2.0 2.5 3.5 4.3 2.9 0.9 0.9 0.9 1.8 WIND MAGNITUDE 29.6 19.4 36.6 34.2 40.8 59.5 71.4 72.9 58.0 33.3 33.3 27.3 45.0 STEADINESES(%) 1980 292 316 314 306 356 4 351 359 341 319 316 289 340 VECTOR DIRECT. 0.9 1.1 1.0 1.4 1.4 3.8 4.3 3.3 2.3 1.0 1.2 0.8 1.7 WIND MAGNITUDE 25.7 23.4 26.3 34.1 37.8 69.1 70.5 66.0 52.3 32.3 37.5 33.3 41.5 STEADINESES(%) 1981 297 329 294 279 346 353 356 355 338 347 312 319 334 VECTOR DIRECT. 1.3 1.2 1.6 1.6 1.3 1.6 3.5 3.4 2.2 1.3 1.2 0.7 1.6 WIND MAGNITUDE 37.1 34.3 45.7 34.8 38.2 47.1 70.0 73.9 57.9 44.8 42.9 29.2 44.4 STEADINESES(%) 1982 333 331 283 320 351 359 351 1 343 307 355 53 343 VECTOR DIRECT. 0.5 0.4 1.4 1.4 1.7 2.5 2.0 2.7 2.0 0.6 0.3 0.2 1.2 WIND MAGNITUDE 23.8 16.0 48.3 43.7 47.2 59.5 60.6 64.3 62.5 31.6 27.3 22.2 44.4 STEADINESES(%) 1983 338 287 300 327 321 341 347 359 346 343 322 328 333 VECTOR DIRECT. 0.7 1.4 0.8 1.0 1.0 1.8 2.6 1.2 1.0 1.6 1.2 0.4 1.1 WIND MAGNITUDE 28.0 60.9 33.3 43.5 37.0 60.0 70.3 40.0 33.3 47.1 42.9 40.0 40.7 STEADINESES(%) 1984 293 344 276 293 313 343 347 3 342 309 301 240 326 VECTOR DIRECT. 0.4 0.4 1.1 0.8 0.7 1.9 2.0 1.0 0.9 1.0 0.4 0.1 0.8 WIND MAGNITUDE 40.0 36.4 52.4 42.1 38.9 76.0 80.0 66.7 69.2 52.6 44.4 33.3 50.0 STEADINESES(%) 1985 3 264 272 302 320 332 342 337 316 305 298 298 318 VECTOR DIRECT. 0.4 1.1 0.4 3.6 4.7 3.2 4.4 4.6 4.2 3.6 2.4 1.7 2.7 WIND MAGNITUDE 80.0 73.3 44.4 66.7 67.1 51.6 72.1 78.0 76.4 72.0 68.6 54.8 64.3 STEADINESES(%) 1986 303 315 302 295 308 349 349 338 302 306 306 289 314 VECTOR DIRECT. 2.6 1.4 1.9 2.3 3.3 1.9 2.3 4.8 4.6 3.7 2.1 1.8 2.6 WIND MAGNITUDE 70.3 53.8 57.6 57.5 66.0 44.2 60.5 64.0 69.7 66.1 56.8 51.4 57.8 STEADINESES(%) 1987 298 288 286 305 308 325 326 330 317 345 309 283 310 VECTOR DIRECT. 3.3 3.4 6.0 3.1 4.3 4.0 5.4 5.2 3.2 2.7 3.3 2.8 3.7 WIND MAGNITUDE 64.7 66.7 69.0 52.5 67.2 69.0 64.3 63.4 54.2 46.6 58.9 71.8 59.7 STEADINESES(%) 1988 277 302 288 306 319 323 333 326 325 317 304 291 314 VECTOR DIRECT. 1.9 1.8 3.7 2.4 4.6 4.6 6.2 6.6 6.1 5.6 4.3 3.6 4.1 WIND MAGNITUDE 55.9 47.4 57.8 47.1 54.8 51.1 63.3 66.7 62.2 61.5 58.9 53.7 55.4 STEADINESES(%) 1989 294 298 285 296 333 320 337 332 320 304 303 300 314 VECTOR DIRECT. 2.2 2.1 4.8 5.6 4.2 5.1 7.5 7.4 5.3 5.6 2.9 3.6 4.5 WIND MAGNITUDE 40.0 36.2 57.8 66.7 53.8 60.7 74.3 71.2 64.6 68.3 61.7 72.0 59.2 STEADINESES(%) 1990 283 291 325 302 307 317 342 333 323 312 296 288 314 VECTOR DIRECT. 1.8 1.9 3.2 3.9 4.6 4.6 5.1 4.8 4.9 3.4 3.6 2.3 3.5 WIND MAGNITUDE 46.2 41.3 51.6 58.2 57.5 63.9 63.7 63.2 66.2 59.6 69.2 52.3 56.5 STEADINESES(%) 1991 274 291 294 310 294 316 333 327 324 320 312 275 310 VECTOR DIRECT. 1.6 2.0 1.4 2.1 2.6 2.9 3.5 3.8 3.5 2.3 1.5 2.6 2.4 WIND MAGNITUDE 55.2 51.3 42.4 52.5 54.2 56.9 66.0 70.4 63.6 57.5 46.9 78.8 57.1 STEADINESES(%) 1992 271 295 281 286 310 311 334 340 326 310 301 272 307 VECTOR DIRECT. 1.2 1.9 1.5 2.5 2.0 2.1 2.4 2.4 2.0 1.4 1.3 0.8 1.7 WIND MAGNITUDE 46.2 55.9 45.5 58.1 60.6 52.5 68.6 68.6 66.7 58.3 59.1 53.3 54.8 STEADINESES(%) 1993 307 302 301 282 310 322 334 340 322 326 311 308 317 VECTOR DIRECT. 1.1 0.8 2.2 2.9 2.5 3.9 3.1 3.3 3.1 2.0 1.3 0.9 2.2 WIND MAGNITUDE 52.4 34.8 57.9 56.9 51.0 59.1 73.8 71.7 66.0 60.6 50.0 56.3 57.9 STEADINESES(%) 1994 304 300 270 316 310 330 336 334 342 309 289 275 315 VECTOR DIRECT. 1.7 1.7 2.5 3.0 2.6 3.3 4.5 4.1 4.3 4.0 3.2 1.8 2.8 WIND MAGNITUDE 51.5 44.7 62.5 52.6 53.1 55.0 69.2 66.1 63.2 63.5 60.4 43.9 52.8 STEADINESES(%) 1995 299 295 304 307 324 320 323 331 317 319 308 29 316 VECTOR DIRECT. 1.5 2.4 2.5 3.7 4.1 3.3 2.8 4.5 3.4 2.2 3.2 0.4 2.8 WIND MAGNITUDE 33.3 46.2 44.6 52.1 59.4 55.9 54.9 68.2 60.7 48.9 57.1 21.1 51.9 STEADINESES(%) 1996 341 289 285 311 306 333 348 333 315 316 339 315 323 VECTOR DIRECT. 1.2 2.1 1.9 3.3 4.3 4.0 6.6 5.7 5.7 4.0 2.1 1.4 3.4 WIND MAGNITUDE 36.4 42.9 39.6 56.9 65.2 52.6 79.5 74.0 73.1 57.1 52.5 40.0 56.7 STEADINESES(%) 1997 302 306 286 298 318 315 339 332 319 305 330 346 316 VECTOR DIRECT. 2.5 1.3 3.4 4.4 4.5 4.8 4.7 5.2 4.8 4.2 1.9 1.3 3.4 WIND MAGNITUDE 48.1 31.7 53.1 58.7 62.5 61.5 69.1 66.7 66.7 65.6 45.2 39.4 54.8 STEADINESES(%) 1998 286 295 290 289 311 346 337 337 327 322 306 305 317 VECTOR DIRECT. 1.3 3.6 2.3 2.7 2.5 3.6 4.5 3.7 3.1 2.8 3.4 1.4 2.7 WIND MAGNITUDE 30.2 48.6 46.9 50.9 54.3 69.2 67.2 63.8 59.6 58.3 66.7 46.7 51.9 STEADINESES(%) 1999 352 293 305 320 330 334 334 334 335 314 320 324 326 VECTOR DIRECT. 1.1 1.9 1.5 1.8 3.2 2.9 3.5 4.2 2.6 2.4 1.1 0.9 2.2 WIND MAGNITUDE 42.3 47.5 42.9 42.9 62.7 61.7 60.3 71.2 60.5 55.8 42.3 52.9 53.7 STEADINESES(%) 2000 309 329 318 317 319 333 346 333 334 326 347 316 330 VECTOR DIRECT. 1.5 1.3 1.7 2.7 2.3 3.4 5.0 4.1 2.0 1.8 1.3 0.9 2.3 WIND MAGNITUDE 50.0 40.6 38.6 56.3 53.5 64.2 78.1 71.9 48.8 39.1 43.3 36.0 53.5 STEADINESES(%) 2001 320 314 296 313 326 339 354 340 328 327 309 320 328 VECTOR DIRECT. 0.8 1.4 2.1 3.6 3.2 3.7 3.5 4.3 2.8 2.1 1.4 0.5 2.3 WIND MAGNITUDE 30.8 40.0 48.8 58.1 53.3 60.7 63.6 76.8 54.9 45.7 41.2 25.0 50.0 STEADINESES(%) 2002 323 315 303 283 330 333 346 338 329 312 320 303 323 VECTOR DIRECT. 1.3 2.4 2.4 2.2 2.2 3.4 4.0 3.8 3.5 3.3 1.0 1.1 2.4 WIND MAGNITUDE 37.1 55.8 50.0 43.1 40.0 59.6 74.1 65.5 62.5 58.9 40.0 36.7 51.1 STEADINESES(%) 2003 303 298 298 307 343 351 336 338 340 317 334 342 326 VECTOR DIRECT. 2.8 3.7 3.5 3.5 4.0 3.5 4.7 5.5 4.8 4.7 2.9 2.1 3.6 WIND MAGNITUDE 41.2 46.2 45.5 44.9 53.3 50.0 54.7 66.3 60.0 59.5 44.6 35.6 48.0 STEADINESES(%) 2004 293 305 291 304 304 295 306 327 328 319 317 336 312 VECTOR DIRECT. 1.7 2.3 2.9 4.0 5.1 4.5 5.0 4.0 3.6 3.0 5.2 4.4 3.7 WIND MAGNITUDE 27.4 35.4 34.1 46.5 60.0 65.2 75.8 66.7 61.0 57.7 57.1 58.7 52.1 STEADINESES(%) 2005 324 341 316 334 325 343 351 347 336 331 333 324 336 VECTOR DIRECT. 4.3 5.2 4.6 6.9 6.8 8.2 10.3 10.0 7.8 7.0 5.4 5.9 6.8 WIND MAGNITUDE 52.4 57.1 47.9 64.5 59.1 66.7 81.1 78.1 69.6 66.0 65.1 66.3 64.8 STEADINESES(%) 1956-2005 312 310 299 303 321 334 342 341 332 323 319 316 324 VECTOR DIRECT. 1.9 2.2 2.7 3.0 3.4 3.9 5.0 4.8 4.1 3.2 2.4 2.0 3.1 WIND MAGNITUDE 43.2 43.1 47.4 50.0 54.8 60.0 71.4 70.6 65.1 58.2 52.2 48.8 54.4 STEADINESES(%) =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 36 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF WIND SPEED IN KNOTS YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ***** ***** ***** ***** 8.5 9.7 11.1 11.8 8.2 9.5 9.0 8.5 ****** 1957 7.2 8.6 8.5 9.3 9.5 9.9 11.2 10.5 10.1 8.6 6.9 6.1 8.9 1958 6.0 7.6 7.9 8.3 9.6 8.0 10.6 8.5 8.6 8.5 6.7 6.7 8.1 1959 6.4 9.6 8.8 8.7 8.7 8.0 10.9 9.5 9.8 9.2 7.0 6.6 8.6 1960 7.7 8.4 9.8 8.3 8.6 9.1 8.6 8.6 8.8 8.0 7.3 7.6 8.4 1961 7.9 9.3 10.9 9.3 10.0 12.3 11.2 11.8 9.1 9.6 8.1 8.7 9.9 1962 9.2 9.8 11.4 11.0 10.7 12.4 15.4 13.1 12.6 11.2 9.4 9.3 11.3 1963 8.9 9.4 11.3 10.8 10.7 10.3 11.8 11.3 11.3 9.1 7.0 6.9 9.9 1964 6.4 8.5 9.9 10.9 9.5 9.9 11.2 9.6 11.4 8.6 7.8 5.5 9.1 1965 7.0 8.6 9.2 10.2 10.0 9.5 10.7 10.7 8.8 5.5 5.8 5.0 8.4 1966 4.6 5.2 5.9 5.6 5.8 6.2 6.0 5.4 6.2 4.7 5.6 5.0 5.5 1967 4.8 5.9 5.3 5.5 5.8 6.2 5.2 5.4 5.3 5.2 4.6 4.3 5.3 1968 5.0 4.4 4.7 5.4 5.7 4.2 5.5 4.4 4.5 4.0 3.8 4.1 4.6 1969 3.7 3.7 4.9 5.1 5.0 5.6 4.5 5.3 5.2 4.5 3.2 3.1 4.5 1970 2.5 2.6 2.9 4.3 4.6 4.8 6.2 4.0 5.1 3.9 4.3 4.6 4.1 1971 4.3 5.3 5.0 6.0 5.8 5.8 7.2 6.0 6.8 5.1 3.8 3.4 5.4 1972 2.4 3.2 4.2 3.9 4.6 3.4 5.7 6.0 3.7 3.0 2.0 2.8 3.7 1973 3.9 4.7 4.9 3.8 3.3 2.8 3.4 4.8 3.2 3.2 3.0 3.0 3.7 1974 3.9 3.4 4.3 5.6 4.2 5.7 6.0 4.3 4.0 4.0 2.9 3.3 4.3 1975 3.3 4.6 4.2 3.3 4.1 4.6 4.4 5.0 4.6 4.0 3.9 3.3 4.1 1976 3.2 4.1 3.9 3.5 4.3 4.9 4.1 4.7 3.9 3.3 3.2 2.9 3.8 1977 2.6 3.9 4.6 3.6 4.6 5.5 5.9 6.3 4.8 4.2 3.2 2.4 4.3 1978 3.6 3.6 4.1 4.1 3.7 4.4 5.1 4.4 4.3 3.6 2.7 2.9 3.9 1979 2.7 3.6 4.1 3.8 4.9 4.2 4.9 5.9 5.0 2.7 2.7 3.3 4.0 1980 3.5 4.7 3.8 4.1 3.7 5.5 6.1 5.0 4.4 3.1 3.2 2.4 4.1 1981 3.5 3.5 3.5 4.6 3.4 3.4 5.0 4.6 3.8 2.9 2.8 2.4 3.6 1982 2.1 2.5 2.9 3.2 3.6 4.2 3.3 4.2 3.2 1.9 1.1 0.9 2.7 1983 2.5 2.3 2.4 2.3 2.7 3.0 3.7 3.0 3.0 3.4 2.8 1.0 2.7 1984 1.0 1.1 2.1 1.9 1.8 2.5 2.5 1.5 1.3 1.9 0.9 0.3 1.6 1985 0.5 1.5 0.9 5.4 7.0 6.2 6.1 5.9 5.5 5.0 3.5 3.1 4.2 1986 3.7 2.6 3.3 4.0 5.0 4.3 3.8 7.5 6.6 5.6 3.7 3.5 4.5 1987 5.1 5.1 8.7 5.9 6.4 5.8 8.4 8.2 5.9 5.8 5.6 3.9 6.2 1988 3.4 3.8 6.4 5.1 8.4 9.0 9.8 9.9 9.8 9.1 7.3 6.7 7.4 1989 5.5 5.8 8.3 8.4 7.8 8.4 10.1 10.4 8.2 8.2 4.7 5.0 7.6 1990 3.9 4.6 6.2 6.7 8.0 7.2 8.0 7.6 7.4 5.7 5.2 4.4 6.2 1991 2.9 3.9 3.3 4.0 4.8 5.1 5.3 5.4 5.5 4.0 3.2 3.3 4.2 1992 2.6 3.4 3.3 4.3 3.3 4.0 3.5 3.5 3.0 2.4 2.2 1.5 3.1 1993 2.1 2.3 3.8 5.1 4.9 6.6 4.2 4.6 4.7 3.3 2.6 1.6 3.8 1994 3.3 3.8 4.0 5.7 4.9 6.0 6.5 6.2 6.8 6.3 5.3 4.1 5.3 1995 4.5 5.2 5.6 7.1 6.9 5.9 5.1 6.6 5.6 4.5 5.6 1.9 5.4 1996 3.3 4.9 4.8 5.8 6.6 7.6 8.3 7.7 7.8 7.0 4.0 3.5 6.0 1997 5.2 4.1 6.4 7.5 7.2 7.8 6.8 7.8 7.2 6.4 4.2 3.3 6.2 1998 4.3 7.4 4.9 5.3 4.6 5.2 6.7 5.8 5.2 4.8 5.1 3.0 5.2 1999 2.6 4.0 3.5 4.2 5.1 4.7 5.8 5.9 4.3 4.3 2.6 1.7 4.1 2000 3.0 3.2 4.4 4.8 4.3 5.3 6.4 5.7 4.1 4.6 3.0 2.5 4.3 2001 2.6 3.5 4.3 6.2 6.0 6.1 5.5 5.6 5.1 4.6 3.4 2.0 4.6 2002 3.5 4.3 4.8 5.1 5.5 5.7 5.4 5.8 5.6 5.6 2.5 3.0 4.7 2003 6.8 8.0 7.7 7.8 7.5 7.0 8.6 8.3 8.0 7.9 6.5 5.9 7.5 2004 6.2 6.5 8.5 8.6 8.5 6.9 6.6 6.0 5.9 5.2 9.1 7.5 7.1 2005 8.2 9.1 9.6 10.7 11.5 12.3 12.7 12.8 11.2 10.6 8.3 8.9 10.5 MEAN 4.4 5.1 5.7 6.0 6.2 6.5 7.0 6.8 6.3 5.5 4.6 4.1 5.7 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 37 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M FASTEST WIND DIRECTION AND SPEED IN KNOTS YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 *** *** *** *** 180 360 300 360 300 300 360 330 *** DIRECTION ** ** ** ** 28 21 33 30 38 21 21 25 ** SPEED ** ** ** ** 22 8 1 13 14 6 3 1 DAY 1957 360 270 270 280 180 360 360 90 360 360 270 270 360 DIRECTION 27 30 21 33 27 33 34 21 21 21 21 21 34 SPEED 8 11 7 1 2 18 5 1 1 19 5 10 DAY 1958 270 210 270 360 360 360 360 300 270 270 90 270 360 DIRECTION 21 21 21 21 34 21 34 21 34 17 17 17 34 SPEED 19 1 4 19 12 7 15 23 25 1 7 1 DAY 1959 270 360 130 270 270 270 360 270 270 270 270 360 270 DIRECTION 27 21 21 21 33 17 21 21 20 20 28 28 33 SPEED 22 2 1 6 3 2 9 4 7 1 26 1 DAY 1960 270 270 210 200 360 270 360 360 270 230 180 270 210 DIRECTION 20 20 30 30 28 20 20 20 16 16 20 16 30 SPEED 4 2 12 14 21 4 16 8 2 1 2 2 DAY 1961 230 230 180 280 360 330 360 360 360 330 270 280 180 DIRECTION 20 20 40 20 28 28 28 28 20 20 20 16 40 SPEED 22 9 13 2 21 22 16 9 8 25 12 3 DAY 1962 180 360 230 330 230 270 360 320 360 320 360 270 230 DIRECTION 20 20 28 20 20 20 20 20 20 26 20 20 28 SPEED 9 8 29 5 11 10 4 1 9 12 11 8 DAY 1963 360 270 270 330 270 360 360 360 330 360 360 180 270 DIRECTION 20 20 22 22 20 20 20 20 20 20 20 20 22 SPEED 5 11 5 1 1 27 8 1 10 3 26 5 DAY 1964 360 270 230 360 180 330 360 360 270 360 360 360 360 DIRECTION 24 20 20 20 18 20 20 20 20 20 35 28 35 SPEED 30 6 1 1 1 24 6 7 2 7 28 26 DAY 1965 90 20 220 230 340 230 320 360 270 360 250 280 20 DIRECTION 22 32 30 20 30 20 22 20 22 15 16 15 32 SPEED 10 10 3 3 20 7 15 8 17 4 2 18 DAY 1966 270 270 240 360 270 270 360 360 360 270 360 220 240 DIRECTION 16 24 38 30 16 15 28 15 18 15 18 18 38 SPEED 30 2 20 24 5 2 12 9 4 1 12 12 DAY 1967 240 360 270 240 280 360 360 360 270 280 270 360 360 DIRECTION 15 18 20 18 20 25 20 28 15 20 15 15 28 SPEED 22 13 9 15 13 27 23 17 1 22 1 4 DAY 1968 210 210 270 270 270 360 270 270 30 270 270 270 210 DIRECTION 25 25 15 20 15 12 15 15 14 12 12 15 25 SPEED 25 3 3 20 2 18 13 2 18 5 24 2 DAY 1969 330 360 60 360 270 360 360 360 360 270 300 270 60 DIRECTION 18 12 35 18 15 17 18 15 16 15 10 13 35 SPEED 25 2 24 19 1 1 26 10 12 30 1 17 DAY 1970 260 360 360 270 330 360 360 360 360 30 270 270 360 DIRECTION 15 12 12 18 15 15 15 25 15 16 12 16 25 SPEED 27 7 21 24 22 27 6 14 25 16 1 15 DAY 1971 60 240 330 230 270 270 30 360 360 330 270 300 240 DIRECTION 15 20 15 20 20 15 20 15 18 12 10 15 20 SPEED 10 13 1 7 16 29 3 8 10 11 11 31 DAY 1972 360 270 210 300 240 60 350 350 360 60 290 250 210 DIRECTION 18 12 20 12 20 12 15 17 12 12 8 15 20 SPEED 20 9 18 12 7 16 22 5 4 1 6 6 DAY 1973 270 270 270 280 60 50 280 360 290 20 270 270 270 DIRECTION 15 20 15 20 12 16 20 20 12 12 12 12 20 SPEED 16 1 4 9 14 17 17 12 3 2 1 1 DAY 1974 280 240 280 240 30 30 360 360 270 30 280 270 280 DIRECTION 25 15 12 24 15 15 15 14 12 12 12 20 25 SPEED 25 18 1 28 18 9 23 14 15 13 6 6 DAY 1975 270 260 270 260 270 60 30 150 360 360 180 270 270 DIRECTION 18 15 20 15 20 12 12 15 15 14 15 15 20 SPEED 5 6 14 17 14 10 28 16 5 30 29 23 DAY 1976 280 240 270 270 270 360 120 30 270 300 360 270 240 DIRECTION 8 20 18 12 12 15 15 12 12 10 12 12 20 SPEED 7 28 2 7 1 24 22 4 25 18 11 31 DAY 1977 270 270 260 240 240 360 90 360 30 300 270 240 90 DIRECTION 12 15 15 12 15 14 40 18 15 12 10 12 40 SPEED 9 7 14 25 30 11 2 4 14 22 3 10 DAY 1978 270 30 270 30 60 240 300 360 360 360 360 240 270 DIRECTION 15 12 15 14 12 12 15 15 14 12 10 15 15 SPEED 21 4 13 16 19 1 7 30 13 11 5 3 DAY 1979 270 270 270 240 270 330 360 360 360 330 360 290 270 DIRECTION 12 20 15 15 15 15 15 14 12 10 12 15 20 SPEED 7 9 21 16 2 11 1 3 4 25 5 13 DAY 1980 270 240 90 270 60 360 360 360 30 270 360 240 240 DIRECTION 15 70 20 14 12 14 15 14 18 12 14 10 70 SPEED 7 25 19 27 3 24 20 27 23 1 2 12 DAY 1981 270 300 250 260 90 360 360 360 300 360 300 240 270 DIRECTION 15 14 14 15 10 10 12 15 10 10 10 10 15 SPEED 12 12 28 2 7 3 11 12 1 21 1 18 DAY 1982 300 270 60 240 90 330 240 90 360 240 270 240 300 DIRECTION 19 12 14 14 16 12 12 12 14 10 10 8 19 SPEED 7 6 5 16 25 9 2 1 8 6 11 3 DAY 1983 270 270 270 300 360 360 300 240 360 60 360 360 270 DIRECTION 16 12 12 10 12 12 14 12 10 14 12 16 16 SPEED 4 27 5 5 28 5 13 24 3 15 5 31 DAY 1984 260 240 240 360 360 350 360 270 360 60 270 250 260 DIRECTION 19 14 16 12 16 14 12 14 12 14 16 12 19 SPEED 29 14 14 4 2 29 6 25 2 28 19 11 DAY 1985 360 240 250 20 300 360 10 360 280 280 290 240 240 DIRECTION 16 19 19 21 31 25 23 23 23 23 16 39 39 SPEED 18 3 25 17 4 9 6 14 4 11 10 19 DAY 1986 250 290 240 280 310 290 20 360 360 270 280 240 250 DIRECTION 33 27 27 17 29 25 19 27 29 19 19 29 33 SPEED 20 26 8 10 1 1 5 20 9 5 1 20 DAY 1987 320 240 270 300 360 360 280 290 280 290 300 270 240 DIRECTION 19 39 31 23 29 25 35 29 19 19 25 23 39 SPEED 7 10 20 18 28 30 28 16 6 3 25 24 DAY 1988 230 240 270 280 300 290 360 340 30 30 300 300 230 DIRECTION 74 68 49 35 23 23 29 29 23 23 23 23 74 SPEED 19 3 9 26 25 13 23 9 3 2 12 26 DAY 1989 210 240 270 290 360 270 270 30 360 280 270 300 270 DIRECTION 27 29 35 25 23 27 31 27 23 29 23 19 35 SPEED 17 19 28 24 1 12 6 24 1 8 17 3 DAY 1990 270 270 30 270 90 360 90 360 360 290 300 270 270 DIRECTION 27 27 27 27 29 27 23 23 25 21 23 39 39 SPEED 2 16 3 16 7 25 6 4 25 5 1 25 DAY 1991 240 270 240 310 270 210 360 360 360 320 330 270 310 DIRECTION 23 23 29 33 23 19 23 17 31 16 16 23 33 SPEED 24 1 1 5 11 8 21 22 26 9 5 14 DAY 1992 220 360 280 270 300 270 360 360 300 310 270 270 220 DIRECTION 29 19 17 23 25 17 17 17 16 14 16 19 29 SPEED 3 16 6 16 23 26 1 27 12 6 26 30 DAY 1993 290 240 360 340 270 300 360 360 310 310 220 360 270 DIRECTION 19 23 19 29 39 27 29 19 23 23 19 21 39 SPEED 14 15 12 11 19 2 16 9 19 31 11 6 DAY 1994 300 220 240 310 270 360 310 270 360 270 270 240 270 DIRECTION 19 29 29 29 29 29 29 23 23 29 39 29 39 SPEED 3 1 16 2 11 5 9 13 18 2 26 4 DAY 1995 270 270 330 330 30 270 40 360 180 310 360 220 330 DIRECTION 29 29 39 39 29 39 19 23 23 19 23 14 39 SPEED 18 5 27 29 18 22 18 3 17 13 26 4 DAY 1996 320 240 240 360 310 180 360 20 280 30 10 50 240 DIRECTION 19 39 35 23 29 29 23 23 19 23 19 16 39 SPEED 7 5 8 28 25 9 25 14 4 31 20 1 DAY 1997 270 360 220 270 320 260 360 20 310 320 290 270 260 DIRECTION 23 23 23 23 23 29 23 23 23 23 19 19 29 SPEED 31 1 6 10 27 17 11 2 22 4 6 10 DAY 1998 310 280 260 280 360 30 360 30 270 360 270 290 280 DIRECTION 27 23 23 29 23 19 19 23 19 19 17 12 29 SPEED 31 13 19 2 2 28 12 14 16 15 9 1 DAY 1999 300 270 210 270 240 30 360 330 360 270 180 30 360 DIRECTION 19 23 23 19 23 19 29 23 19 16 17 14 29 SPEED 10 21 2 9 5 9 19 26 1 1 9 6 DAY 2000 270 30 270 30 270 340 360 10 180 300 270 240 270 DIRECTION 23 19 19 19 23 23 19 23 19 19 19 19 23 SPEED 29 3 9 5 16 30 12 2 4 13 4 11 DAY 2001 60 270 260 270 10 280 10 360 300 20 300 260 270 DIRECTION 19 23 19 19 19 23 19 19 16 19 17 16 23 SPEED 20 21 25 1 11 15 16 4 2 9 9 20 DAY 2002 310 10 360 280 40 340 340 360 40 280 320 280 280 DIRECTION 23 19 23 29 19 19 19 19 16 16 14 23 29 SPEED 31 6 10 3 22 22 30 12 6 1 4 22 DAY 2003 270 280 270 280 290 60 30 130 360 20 40 360 270 DIRECTION 27 29 39 33 25 19 31 29 25 19 25 27 39 SPEED 28 19 13 1 24 10 19 1 23 6 15 11 DAY 2004 270 360 200 210 270 280 310 20 360 290 360 360 200 DIRECTION 27 27 39 35 35 23 39 37 19 16 23 29 39 SPEED 7 8 14 1 29 5 11 17 9 3 28 3 DAY 2005 360 290 320 360 230 350 10 360 360 360 360 360 230 DIRECTION 39 33 39 39 47 31 37 29 31 31 31 27 47 SPEED 25 22 16 11 6 9 10 6 10 23 7 27 DAY 1956-2005 230 240 270 330 230 270 90 20 300 360 270 240 230 DIRECTION 74 70 49 39 47 39 40 37 38 31 39 39 74 SPEED 88-19 80-25 88- 9 95-29 5- 6 95-22 77- 2 4-17 56-14 5-23 94-26 85-19 88 YEAR-DAY =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 38 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M NO. OF CLEAR DAYS (0-2)/8 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 *** *** *** *** 31 25 13 30 25 30 23 8 *** 1957 12 16 16 7 7 27 25 19 29 23 10 15 206 1958 12 22 15 21 19 26 24 26 29 30 17 11 252 1959 17 14 17 16 19 30 30 29 29 30 18 20 269 1960 22 22 18 10 25 28 26 31 27 31 28 23 291 1961 17 22 14 16 24 30 30 30 27 31 24 28 293 1962 26 13 21 16 27 25 30 29 29 31 27 17 291 1963 26 11 16 9 15 28 31 26 29 29 18 25 263 1964 26 13 17 15 24 27 31 29 30 31 28 19 290 1965 11 18 20 12 26 25 27 31 30 28 23 29 280 1966 23 18 23 17 26 25 29 31 29 25 29 23 298 1967 18 15 16 13 25 29 28 31 21 28 16 19 259 1968 28 12 21 12 17 27 31 28 29 31 24 21 281 1969 17 16 16 17 19 30 27 30 29 27 23 26 277 1970 15 17 14 15 26 29 23 26 28 31 24 25 273 1971 23 19 18 13 20 28 27 28 30 31 21 19 277 1972 17 16 12 9 21 28 29 28 28 30 24 20 262 1973 17 17 21 15 27 29 20 29 30 31 28 26 290 1974 13 12 15 15 20 24 26 29 27 29 28 19 257 1975 19 17 17 13 22 26 30 26 27 31 29 18 275 1976 21 10 9 12 21 29 23 25 28 24 21 20 243 1977 9 23 14 13 27 28 28 28 29 24 26 15 264 1978 21 18 18 13 28 25 24 30 30 29 18 22 276 1979 17 21 13 23 17 25 29 27 29 25 25 17 268 1980 21 15 15 17 22 28 30 29 30 27 26 19 279 1981 17 21 13 18 26 26 27 29 30 29 27 24 287 1982 19 16 11 12 20 28 27 27 30 19 19 21 249 1983 21 18 17 12 20 29 29 28 28 31 26 24 283 1984 25 23 11 21 24 29 31 29 28 30 23 19 293 1985 18 27 16 20 20 29 30 29 30 31 27 21 298 1986 26 16 16 16 22 29 29 29 29 30 21 17 280 1987 27 20 13 19 17 28 29 31 30 27 26 24 291 1988 19 15 18 12 29 30 18 26 30 28 24 17 266 1989 27 17 16 10 27 29 27 30 29 31 17 18 278 1990 14 16 20 12 22 28 30 27 30 31 28 26 284 1991 17 12 10 20 23 29 31 30 28 27 25 9 261 1992 14 19 13 10 12 25 26 24 30 28 18 17 236 1993 17 11 13 9 25 29 28 29 30 30 24 25 270 1994 21 22 10 17 21 30 24 25 23 21 20 23 257 1995 24 14 16 18 26 28 28 30 29 28 29 11 281 1996 19 12 4 16 18 20 29 31 30 29 24 27 259 1997 20 19 8 13 19 23 27 30 30 19 10 21 239 1998 20 17 10 15 27 30 26 26 26 30 29 24 280 1999 14 8 19 22 30 25 24 30 27 31 22 24 276 2000 18 22 22 23 27 30 31 31 27 29 19 24 303 2001 28 20 18 23 26 19 26 29 29 31 26 15 290 2002 20 17 17 20 28 27 23 27 29 28 22 20 278 2003 16 13 20 17 26 27 24 26 29 30 24 18 270 2004 13 20 22 21 27 25 27 29 28 27 20 13 272 2005 19 13 13 20 14 29 26 28 26 31 19 20 258 MEAN 19.2 16.8 15.6 15.4 22.6 27.2 27.0 28.3 28.5 28.5 22.9 20.1 272.1 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 39 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M NO. OF PARTLY CLOUDY DAYS (3-6)/8 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 *** *** *** *** 0 5 15 1 5 1 7 13 *** 1957 8 10 8 15 21 3 6 12 1 8 13 11 116 1958 14 6 14 9 12 4 7 5 1 1 11 13 97 1959 11 14 13 10 12 0 1 2 1 1 8 7 80 1960 6 7 7 17 6 2 5 0 3 0 1 6 60 1961 13 5 16 12 7 0 1 1 3 0 6 2 66 1962 5 15 9 11 3 5 1 2 1 0 3 9 64 1963 5 16 14 21 13 2 0 5 1 2 6 4 89 1964 3 12 11 14 6 3 0 2 0 0 2 6 59 1965 13 8 9 15 5 5 4 0 0 3 7 2 71 1966 7 7 6 11 5 5 2 0 1 6 1 8 59 1967 12 9 12 14 6 1 3 0 9 3 11 10 90 1968 3 10 7 16 14 3 0 3 1 0 6 9 72 1969 9 9 14 9 12 0 3 1 1 4 6 3 71 1970 11 10 9 11 5 1 8 5 2 0 1 5 68 1971 5 7 10 14 10 2 4 3 0 0 7 11 73 1972 9 9 12 18 8 2 2 3 2 1 6 10 82 1973 11 9 8 13 4 1 8 2 0 0 1 5 62 1974 12 10 10 13 11 6 4 2 3 2 2 9 84 1975 5 9 10 14 8 4 1 5 3 0 1 9 69 1976 8 11 11 14 10 1 8 6 2 6 8 10 95 1977 15 4 15 12 4 2 3 2 1 7 4 9 78 1978 5 7 9 12 3 5 7 1 0 2 10 5 66 1979 11 6 12 6 13 5 2 4 1 6 5 12 83 1980 7 10 16 13 9 2 1 2 0 4 4 9 77 1981 7 3 16 11 3 4 4 2 0 2 3 7 62 1982 10 8 13 14 11 2 4 4 0 12 7 5 90 1983 9 6 10 15 11 1 2 3 2 0 3 4 66 1984 3 4 15 9 7 1 0 2 2 1 7 9 60 1985 11 1 11 10 10 1 1 2 0 0 3 7 57 1986 4 11 10 13 9 1 2 2 1 1 6 8 68 1987 4 7 15 10 12 2 2 0 0 4 4 5 65 1988 9 12 9 14 2 0 13 5 0 3 6 13 86 1989 2 10 10 16 4 1 4 1 1 0 12 11 72 1990 16 8 8 15 9 2 1 4 0 0 2 4 69 1991 10 12 16 10 8 1 0 1 2 4 4 12 80 1992 14 10 10 16 15 4 5 7 0 3 12 9 105 1993 8 10 13 19 6 1 3 2 0 1 5 3 71 1994 9 6 14 11 7 0 7 6 7 10 10 8 95 1995 6 11 8 10 5 2 3 1 1 3 1 10 61 1996 6 12 18 12 12 7 2 0 0 2 6 4 81 1997 8 8 20 14 12 7 4 1 0 12 18 8 112 1998 10 7 17 13 4 0 4 5 4 1 1 7 73 1999 14 15 7 7 1 5 6 1 3 0 8 7 74 2000 7 6 9 7 4 0 0 0 3 2 10 5 53 2001 0 7 12 7 5 11 5 2 1 0 4 15 69 2002 9 9 12 6 3 3 8 4 1 3 8 10 76 2003 11 14 7 10 5 3 7 5 1 1 5 6 75 2004 15 9 8 9 4 5 4 2 2 4 7 13 82 2005 8 9 14 8 15 1 5 3 4 0 10 8 85 MEAN 8.5 8.9 11.5 12.2 7.8 2.7 3.8 2.7 1.5 2.5 6.0 7.9 76.0 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 40 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M NO. OF CLOUDY DAYS (7-8)/8 YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 *** *** *** *** 0 0 3 0 0 0 0 10 *** 1957 11 2 7 8 3 0 0 0 0 0 7 5 43 1958 5 0 2 0 0 0 0 0 0 0 2 7 16 1959 3 0 1 4 0 0 0 0 0 0 4 4 16 1960 3 0 6 3 0 0 0 0 0 0 1 2 15 1961 1 1 1 2 0 0 0 0 0 0 0 1 6 1962 0 0 1 3 1 0 0 0 0 0 0 5 10 1963 0 1 1 0 3 0 0 0 0 0 6 2 13 1964 2 4 3 1 1 0 0 0 0 0 0 6 17 1965 7 2 2 3 0 0 0 0 0 0 0 0 14 1966 1 3 2 2 0 0 0 0 0 0 0 0 8 1967 1 4 3 3 0 0 0 0 0 0 3 2 16 1968 0 7 3 2 0 0 0 0 0 0 0 1 13 1969 5 3 1 4 0 0 1 0 0 0 1 2 17 1970 5 1 8 4 0 0 0 0 0 0 0 1 19 1971 3 2 3 3 1 0 0 0 0 0 2 1 15 1972 5 4 7 3 2 0 0 0 0 0 0 1 22 1973 3 1 2 2 0 0 3 0 0 0 1 0 12 1974 6 6 6 2 0 0 1 0 0 0 0 3 24 1975 7 2 4 3 1 0 0 0 0 0 0 4 21 1976 2 8 11 4 0 0 0 0 0 1 1 1 28 1977 7 1 2 5 0 0 0 1 0 0 0 7 23 1978 5 3 4 5 0 0 0 0 0 0 2 4 23 1979 3 1 6 1 1 0 0 0 0 0 0 2 14 1980 3 4 0 0 0 0 0 0 0 0 0 3 10 1981 7 4 2 0 2 0 0 0 0 0 0 0 15 1982 2 4 7 4 0 0 0 0 0 0 4 5 26 1983 1 4 4 3 0 0 0 0 0 0 1 3 16 1984 3 2 5 0 0 0 0 0 0 0 0 3 13 1985 2 0 4 0 1 0 0 0 0 0 0 3 10 1986 1 1 5 1 0 0 0 0 0 0 3 6 17 1987 0 1 3 1 2 0 0 0 0 0 0 2 9 1988 3 2 4 4 0 0 0 0 0 0 0 1 14 1989 2 1 5 4 0 0 0 0 0 0 1 2 15 1990 1 4 3 3 0 0 0 0 0 0 0 1 12 1991 4 4 5 0 0 0 0 0 0 0 1 10 24 1992 3 0 8 4 4 1 0 0 0 0 0 5 25 1993 6 7 5 2 0 0 0 0 0 0 1 3 24 1994 1 0 7 2 3 0 0 0 0 0 0 0 13 1995 1 3 7 2 0 0 0 0 0 0 0 10 23 1996 6 5 9 2 1 3 0 0 0 0 0 0 26 1997 3 1 3 3 0 0 0 0 0 0 2 2 14 1998 1 4 4 2 0 0 1 0 0 0 0 0 12 1999 3 5 5 1 0 0 1 0 0 0 0 0 15 2000 6 1 0 0 0 0 0 0 0 0 1 2 10 2001 3 1 1 0 0 0 0 0 0 0 0 1 6 2002 2 2 2 4 0 0 0 0 0 0 0 1 11 2003 4 1 4 3 0 0 0 0 0 0 1 5 18 2004 3 0 0 0 0 0 0 0 0 0 3 5 11 2005 4 6 4 2 2 0 0 0 0 0 1 3 22 MEAN 3.3 2.5 3.9 2.3 0.6 0.1 0.2 0.0 0.0 0.0 1.0 2.9 16.8 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 41 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M NO. OF DAYS WITH VISIBILITY LESS THAN OR EQUAL 2 KM YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 *** *** *** *** 0 0 2 1 0 0 0 0 *** 1957 0 1 0 0 0 1 1 1 0 0 0 0 4 1958 0 0 0 0 1 0 2 1 1 0 0 0 5 1959 0 0 0 0 2 0 0 0 0 0 0 0 2 1960 0 0 0 0 0 0 0 0 0 1 0 0 1 1961 0 0 0 0 0 0 0 0 0 0 0 0 0 1962 0 0 0 0 0 0 0 0 0 0 0 0 0 1963 0 0 0 0 1 0 0 0 0 0 0 0 1 1964 0 1 0 0 0 0 0 0 0 0 1 0 2 1965 0 0 0 0 0 0 0 0 0 0 0 0 0 1966 0 0 1 0 0 0 0 0 2 0 0 0 3 1967 0 0 0 0 0 1 0 0 0 0 0 0 1 1968 0 0 0 0 0 0 0 0 0 0 0 0 0 1969 0 0 1 0 0 0 0 0 1 0 0 0 2 1970 0 0 0 0 0 1 0 2 2 0 0 1 6 1971 0 1 0 0 0 0 0 0 0 0 0 0 1 1972 0 0 0 0 0 0 0 0 0 0 0 0 0 1973 1 1 2 0 0 0 0 0 0 0 1 0 5 1974 0 0 0 0 0 0 0 0 0 0 0 0 0 1975 0 0 0 0 0 0 0 0 0 0 0 0 0 1976 0 0 0 0 0 0 0 0 0 0 0 0 0 1977 1 0 0 0 0 0 1 0 0 0 0 0 2 1978 0 0 0 0 0 0 0 0 0 0 0 0 0 1979 0 0 0 0 0 0 0 0 0 0 0 0 0 1980 0 1 1 0 0 0 0 0 1 0 0 0 3 1981 2 0 0 0 0 0 0 0 0 0 0 0 2 1982 0 0 0 1 0 0 0 0 0 0 0 1 2 1983 0 0 0 0 0 0 0 0 0 0 0 0 0 1984 0 0 0 0 0 0 0 0 0 0 0 0 0 1985 0 0 0 0 0 0 0 0 0 0 0 1 1 1986 0 0 0 0 0 0 0 0 0 0 0 0 0 1987 0 0 0 0 0 0 0 0 0 0 0 1 1 1988 2 1 0 0 0 0 1 0 0 0 0 0 4 1989 2 0 1 0 0 0 0 0 0 0 0 0 3 1990 0 1 1 0 2 0 0 0 0 0 0 2 6 1991 0 0 2 1 3 0 0 0 0 0 0 0 6 1992 2 0 1 0 0 0 0 0 0 0 0 0 3 1993 0 1 1 0 0 1 0 0 0 0 0 0 3 1994 0 0 0 0 0 0 0 0 0 0 0 0 0 1995 0 0 1 0 0 0 0 0 0 0 0 0 1 1996 0 0 0 0 0 0 0 0 0 0 0 0 0 1997 1 1 0 2 1 1 0 0 0 0 0 0 6 1998 0 1 0 5 2 0 0 0 0 0 0 0 8 1999 2 1 1 3 1 0 1 0 0 0 0 0 9 2000 1 0 2 0 1 2 0 0 0 0 0 0 6 2001 1 0 1 1 5 4 3 2 0 0 2 0 19 2002 0 0 4 2 1 0 0 0 0 0 0 2 9 2003 0 0 1 0 3 0 1 1 0 0 1 2 9 2004 1 0 2 3 0 1 0 0 0 0 1 2 10 2005 0 1 1 3 5 1 2 0 0 0 0 0 13 MEAN 0.3 0.2 0.5 0.4 0.6 0.3 0.3 0.2 0.1 0.0 0.1 0.2 3.2 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 42 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MONTHLY TOTAL OF SUNSHINE HOURS YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** 1957 ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** 1958 ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** 1959 ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** 1960 ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** 1961 ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** 1962 ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** 1963 ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** 1964 ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** 1965 ***** ***** ***** ***** ***** ***** ***** ***** ***** 282.1 262.5 290.1 ****** 1966 268.2 239.4 270.8 254.7 322.2 328.2 342.3 358.5 304.4 276.6 297.5 269.1 3531.9 1967 232.3 201.8 251.5 239.6 331.4 333.4 332.8 346.7 289.5 306.1 232.0 245.2 3342.3 1968 276.6 209.7 256.9 239.4 303.1 339.2 334.2 327.3 323.3 317.5 272.4 256.4 3456.0 1969 208.5 214.3 249.0 243.1 314.2 354.2 347.3 339.5 317.1 289.6 242.4 265.8 3385.0 1970 211.8 250.2 233.0 272.1 346.6 339.2 324.4 318.0 288.6 318.8 248.1 280.1 3430.9 1971 250.9 219.5 257.0 239.7 291.6 317.7 307.6 319.8 316.6 317.9 242.8 248.5 3329.6 1972 201.8 211.8 214.7 239.3 276.2 333.1 355.8 338.3 297.3 297.8 272.9 255.0 3294.0 1973 242.0 219.9 255.8 241.5 306.1 331.0 304.7 308.4 304.4 321.3 274.4 269.4 3378.9 1974 194.5 187.2 233.8 259.4 313.9 331.3 309.1 348.1 298.7 308.7 285.4 226.7 3296.8 1975 218.6 242.8 240.6 243.2 326.1 319.1 360.6 360.6 304.5 324.1 273.5 219.2 3432.9 1976 240.9 164.0 190.1 245.4 303.3 348.5 317.0 315.0 309.7 258.2 259.8 247.2 3199.1 1977 182.2 267.6 237.2 ***** ***** ***** ***** ***** ***** 268.6 ***** ***** ****** 1978 ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** 1979 ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** 1980 ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ****** 1981 ***** ***** ***** ***** ***** ***** 321.9 357.1 320.8 299.9 290.8 256.6 ****** 1982 241.0 219.8 200.4 246.2 284.5 333.1 319.1 317.6 291.5 244.8 226.7 216.4 3141.1 1983 246.3 217.0 213.6 209.8 288.0 339.7 344.4 293.8 311.2 313.2 274.3 248.5 3299.8 1984 246.2 239.2 193.8 262.8 299.9 325.6 314.4 283.0 292.5 296.8 239.6 208.6 3202.4 1985 218.3 278.5 236.0 269.0 291.4 357.4 320.2 345.0 319.9 306.3 263.4 227.7 3433.1 1986 259.8 207.6 219.2 255.3 300.4 308.3 326.2 343.6 314.1 300.0 229.2 195.4 3259.1 1987 282.5 242.3 251.2 313.8 267.9 343.8 344.7 338.2 294.0 286.4 268.5 254.1 3487.4 1988 220.4 193.9 253.6 237.6 342.4 346.7 324.8 327.9 318.7 311.3 269.1 205.8 3352.2 1989 245.6 242.8 239.7 223.4 344.1 338.8 327.1 347.9 310.4 308.2 241.7 230.8 3400.5 1990 217.2 219.1 250.4 246.9 314.0 342.1 350.2 337.4 319.1 274.9 279.3 260.5 3411.1 1991 239.0 201.9 223.5 265.6 290.2 351.2 352.2 347.7 252.1 291.7 262.7 189.6 3267.4 1992 220.6 241.4 222.0 242.4 276.7 319.7 336.5 327.7 317.4 295.2 246.4 205.0 3251.0 1993 191.8 176.1 206.1 255.1 334.2 350.0 361.1 356.7 320.7 311.5 259.9 250.0 3373.2 1994 251.6 248.6 201.9 268.0 312.1 357.1 340.5 344.1 306.5 272.5 264.4 258.1 3425.4 1995 269.9 203.8 226.7 175.1 295.6 ***** ***** 339.4 304.7 306.3 289.2 169.7 ****** 1996 218.3 205.2 176.5 261.4 275.0 304.9 358.7 351.6 325.4 308.7 274.5 287.4 3347.6 1997 254.0 260.2 237.5 253.2 306.1 288.1 360.8 349.1 323.9 249.9 214.8 230.5 3328.1 1998 236.6 234.0 217.7 276.1 354.4 375.4 359.5 326.5 305.2 310.4 291.8 272.8 3560.4 1999 222.1 187.2 251.1 300.9 352.9 342.7 328.9 349.5 316.3 309.2 272.0 281.5 3514.3 2000 224.6 274.1 297.0 305.2 356.1 352.7 375.0 360.5 299.5 306.8 240.1 252.4 3644.0 2001 269.9 246.1 266.8 305.4 325.9 305.0 325.6 348.3 304.9 315.0 269.6 238.8 3521.3 2002 246.7 226.9 270.8 284.2 343.1 327.0 335.4 336.0 321.8 297.5 259.2 229.9 3478.5 2003 220.5 217.9 245.4 274.9 304.4 325.9 337.3 343.3 314.5 295.6 260.6 204.5 3344.8 2004 202.9 264.6 284.3 281.3 330.2 313.9 342.8 355.4 312.0 295.3 256.8 204.7 3444.2 2005 235.2 207.1 246.3 291.8 270.1 351.5 357.9 355.4 318.7 319.5 266.1 252.8 3472.4 MEAN 233.6 224.5 236.7 257.8 311.3 334.6 337.2 337.9 308.1 297.7 261.5 240.7 3381.6 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 43 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF QFE PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 884.8 884.7 889.2 891.1 896.9 898.9 899.2 ****** 1957 895.5 896.8 894.0 893.0 891.3 888.8 887.5 897.0 899.6 896.8 898.1 897.6 894.7 1958 897.6 897.1 895.2 894.5 894.1 888.5 885.0 888.2 890.9 896.6 900.8 898.0 893.9 1959 897.6 893.4 894.6 894.2 890.9 888.5 885.0 883.9 887.6 894.9 897.7 900.7 892.4 1960 898.5 896.8 893.1 893.0 892.1 886.3 884.2 885.6 891.6 896.8 898.5 899.3 893.0 1961 898.0 895.7 893.3 892.7 889.9 887.7 883.6 886.7 888.1 896.5 897.7 897.2 892.3 1962 897.6 895.2 893.0 891.6 890.5 888.2 885.7 888.6 892.0 897.0 900.5 897.8 893.1 1963 897.3 895.8 891.8 891.0 889.0 887.4 885.0 886.5 891.9 895.9 897.2 897.6 892.2 1964 898.5 894.6 893.6 890.6 890.5 885.9 883.9 884.2 891.1 897.3 898.2 900.3 892.4 1965 895.3 894.4 894.7 891.3 891.3 887.5 885.1 889.7 893.7 896.4 899.0 898.5 893.1 1966 899.2 895.2 893.8 893.1 892.8 887.4 885.9 888.3 892.5 897.1 902.5 897.9 893.8 1967 899.4 895.1 892.1 892.4 892.3 888.1 883.9 886.7 890.5 898.7 897.5 897.5 892.8 1968 895.5 896.6 894.4 894.0 893.0 887.4 886.4 887.7 892.8 897.5 900.0 897.5 893.6 1969 897.2 897.3 894.5 893.5 891.2 888.4 885.1 889.3 893.5 896.6 899.8 898.8 893.7 1970 897.2 896.1 895.0 894.7 891.1 886.9 885.2 885.3 890.8 895.7 898.4 897.7 892.8 1971 898.3 893.4 895.2 891.7 889.2 883.6 885.0 886.0 892.6 896.3 898.1 895.8 892.1 1972 896.6 897.0 893.4 892.3 890.5 887.1 885.3 889.2 892.6 897.3 897.1 898.1 893.0 1973 898.5 895.0 894.2 891.8 889.2 884.5 882.9 886.8 891.2 896.1 897.4 898.1 892.1 1974 895.7 896.4 894.9 890.7 889.8 886.2 884.3 886.0 890.8 897.5 898.4 897.2 892.3 1975 897.3 894.3 893.4 893.4 890.5 886.5 884.5 885.4 890.7 894.4 898.1 898.1 892.2 1976 895.0 894.5 893.2 892.7 890.4 887.4 882.8 886.3 890.6 894.4 899.4 898.5 892.1 1977 896.1 898.1 895.7 891.2 890.4 885.1 882.2 886.6 892.5 895.9 896.8 897.1 892.3 1978 897.4 895.8 893.5 891.0 889.3 885.3 885.0 886.1 890.8 896.8 897.9 897.3 892.2 1979 897.1 893.6 893.5 893.1 892.6 888.0 885.9 888.1 893.3 896.5 899.1 896.9 893.1 1980 895.7 894.7 893.4 892.2 890.4 886.5 886.1 886.4 891.7 894.6 897.6 896.8 892.2 1981 896.7 894.4 892.5 891.6 890.7 887.4 885.0 887.4 893.2 897.6 897.0 897.4 892.6 1982 895.8 893.6 893.0 892.3 892.9 887.6 885.5 885.5 893.0 895.6 896.8 898.1 892.5 1983 896.9 895.1 893.9 892.4 890.4 887.8 885.3 885.2 889.5 896.1 899.1 898.1 892.5 1984 896.0 897.7 893.7 891.7 889.3 885.2 885.0 884.2 891.5 897.7 897.2 898.4 892.3 1985 896.0 891.2 894.5 890.2 890.1 885.3 883.7 888.2 890.9 894.7 897.4 896.3 891.5 1986 896.3 893.8 892.8 891.5 891.1 884.3 886.2 888.3 892.9 896.0 895.5 895.4 892.0 1987 896.1 896.1 890.8 892.9 891.7 887.7 887.0 886.6 890.8 896.9 897.9 897.4 892.6 1988 895.6 894.4 891.3 892.1 889.5 886.4 882.8 885.4 890.1 895.7 897.2 896.0 891.4 1989 895.2 896.6 891.6 892.9 891.1 886.3 885.6 887.1 889.9 895.3 897.5 895.7 892.1 1990 895.7 892.8 894.7 890.6 888.8 885.8 884.0 886.1 889.6 895.8 897.7 896.9 891.5 1991 896.0 895.8 892.8 892.3 888.2 886.5 884.0 885.9 891.6 896.3 897.9 895.9 891.9 1992 895.7 892.7 893.1 891.3 891.7 886.1 884.8 887.5 891.9 895.1 897.5 896.1 892.0 1993 896.4 895.4 894.1 891.9 890.5 886.6 885.6 888.3 890.5 898.1 897.0 898.5 892.7 1994 896.2 892.7 893.5 892.9 890.6 884.1 882.3 884.7 893.3 897.1 896.1 897.9 891.8 1995 897.4 894.7 893.6 891.9 891.4 886.3 881.6 885.8 890.6 895.3 896.4 898.3 891.9 1996 897.2 893.6 891.8 892.3 891.3 886.6 886.4 887.4 889.1 895.2 898.9 898.8 892.4 1997 895.3 894.9 891.3 891.5 891.5 886.4 882.6 886.2 891.4 895.4 897.3 896.3 891.7 1998 894.4 894.5 893.2 892.2 891.0 888.6 884.5 887.8 890.6 895.1 897.7 899.0 892.4 1999 896.2 895.0 892.2 892.1 889.6 886.0 884.2 887.0 889.5 894.6 896.2 899.7 891.9 2000 895.1 894.5 893.0 891.3 887.2 885.8 886.1 887.2 889.5 895.0 897.9 897.0 891.6 2001 897.0 894.6 893.2 890.9 887.7 884.5 883.9 887.9 891.1 894.7 896.7 898.4 891.7 2002 896.3 895.7 894.0 890.7 889.1 886.1 886.3 885.9 891.7 895.2 897.6 896.2 892.1 2003 896.3 892.5 893.5 892.6 891.5 885.6 883.1 887.4 890.6 895.2 897.6 898.9 892.1 2004 894.4 895.8 894.7 891.5 888.9 886.1 886.3 886.3 892.1 897.5 908.3 908.7 894.2 2005 907.9 905.5 904.0 905.1 901.9 896.8 895.4 897.6 900.9 907.2 909.3 910.0 903.5 MEAN 896.8 895.2 893.7 892.4 890.8 886.8 884.9 887.2 891.6 896.4 898.4 898.2 892.7 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 44 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MAX. OF QFE PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 890.4 889.2 896.2 897.2 903.0 904.2 905.8 ****** DAY-HOUR **-** **-** **-** **-** **-** 6- 6 17-18 31- 3 30- 6 26- 6 20- 6 24- 6 1957 904.4 905.3 900.3 900.0 895.6 893.3 896.2 903.5 908.0 902.2 907.1 905.8 908.0 DAY-HOUR 4- 6 13- 6 3- 6 17- 6 12- 6 18- 3 30- 6 31- 6 10- 6 19- 6 24- 6 23- 6 1958 903.2 901.4 898.9 900.2 901.4 894.0 891.4 892.6 896.2 901.2 906.0 904.4 906.0 DAY-HOUR 2-18 19- 6 1- 6 2- 6 13- 9 3- 3 16- 3 25- 6 30- 6 22- 6 4- 6 6- 6 1959 904.8 901.2 900.6 900.8 897.6 893.8 892.2 888.3 894.0 903.7 904.7 908.4 908.4 DAY-HOUR 3- 6 3- 6 15- 6 8- 6 5- 6 21- 6 20- 3 29- 6 25- 6 21- 6 22- 6 16- 6 1960 905.1 906.5 900.8 902.2 900.5 893.3 890.6 889.2 899.0 903.7 905.2 907.1 907.1 DAY-HOUR 19- 6 15- 6 16- 6 8- 6 6- 6 3- 3 17- 6 15- 6 6- 0 30- 6 27- 6 5- 6 1961 907.2 904.6 905.1 899.2 896.2 896.3 889.0 892.9 894.5 903.6 904.5 906.0 907.2 DAY-HOUR 10- 6 23- 6 4- 6 21- 6 1-21 10- 6 24- 6 10- 6 29- 6 31-21 1- 6 4- 6 1962 907.4 904.0 901.9 898.8 896.5 895.4 891.6 893.8 900.2 903.9 907.2 906.1 907.4 DAY-HOUR 19- 6 11- 6 4- 6 19- 6 17- 6 2- 6 31- 6 27- 6 25- 6 27- 6 23- 6 1- 6 1963 903.0 904.4 901.1 898.4 894.4 897.4 888.7 890.1 898.6 900.9 901.5 904.2 904.4 DAY-HOUR 6- 6 5- 6 23- 6 2- 6 16- 6 11- 6 25- 3 25- 6 25- 6 12- 6 6- 6 21- 6 1964 907.4 903.0 900.9 899.0 895.0 895.0 888.8 889.6 899.0 901.6 905.1 906.5 907.4 DAY-HOUR 31- 3 28- 6 18- 3 25- 6 10- 3 3- 6 17- 6 31- 6 29- 6 30- 6 30- 6 1- 6 1965 902.6 902.8 901.2 897.5 898.3 894.6 889.4 894.4 899.2 902.8 904.4 905.3 905.3 DAY-HOUR 16- 6 26- 6 17- 6 25- 6 21- 6 3- 6 9- 6 9- 6 30- 6 29- 6 28- 6 4- 6 1966 905.9 904.0 903.2 901.3 897.9 894.9 891.1 893.6 896.5 903.7 907.7 906.5 907.7 DAY-HOUR 1- 6 26- 6 3- 6 6- 6 13- 6 2- 6 11- 6 17- 6 20- 6 31- 6 23- 6 8- 6 1967 907.5 904.2 903.7 900.9 901.1 895.5 890.5 892.0 896.3 904.7 902.0 904.7 907.5 DAY-HOUR 6- 6 28- 6 3- 6 4- 6 3- 6 16- 6 14- 6 16- 6 26- 6 15- 6 6- 6 12- 6 1968 904.5 905.3 905.2 900.5 899.1 897.5 892.4 895.4 897.8 904.0 906.9 905.5 906.9 DAY-HOUR 19-18 6- 6 27- 6 1- 6 8- 6 1- 6 14- 6 30- 6 21- 6 17- 6 24- 6 21- 6 1969 905.4 907.6 901.5 898.3 899.2 896.3 890.0 896.0 902.3 901.0 908.0 904.2 908.0 DAY-HOUR 9- 6 3- 6 25- 6 15- 6 22- 6 3- 6 14- 6 31- 6 14- 6 15- 6 23- 6 11- 6 1970 906.2 902.7 901.6 901.1 898.8 891.7 891.0 891.0 899.0 903.5 905.9 907.1 907.1 DAY-HOUR 3- 6 8- 6 26- 6 27- 6 23- 6 16- 6 9- 6 30- 6 22- 6 27- 6 15- 6 30- 6 1971 908.0 900.9 901.9 898.4 894.5 889.1 890.5 890.2 898.4 901.5 905.4 903.7 908.0 DAY-HOUR 4- 6 4- 9 17- 6 21- 6 1- 6 1- 6 26- 3 21- 6 24- 6 11- 6 20- 6 11- 6 1972 906.9 905.6 900.9 899.0 899.1 895.2 889.8 894.2 898.2 904.0 903.2 908.0 908.0 DAY-HOUR 5- 6 25- 6 29- 6 8- 6 25- 6 1- 6 25- 6 27- 6 22- 6 26- 6 24- 6 28- 6 1973 908.9 907.9 905.6 897.2 897.8 892.6 888.0 890.4 899.3 901.1 905.3 907.3 908.9 DAY-HOUR 26- 6 7- 6 10- 6 14- 6 8- 6 3- 6 22- 6 22- 6 29- 6 22- 6 12- 6 26- 6 1974 904.9 904.1 902.7 896.8 896.4 890.8 889.3 889.7 895.8 904.3 906.1 904.9 906.1 DAY-HOUR 26- 6 4- 6 15- 6 13- 6 2- 6 1- 6 29- 3 14- 6 9- 6 15- 6 18- 6 31- 6 1975 909.4 902.9 900.9 903.4 897.5 891.0 889.2 892.1 899.1 902.2 904.8 905.5 909.4 DAY-HOUR 15- 6 18- 6 24- 6 4- 6 20- 6 6- 6 29- 6 31- 6 19- 6 21- 6 21- 6 25- 6 1976 901.7 904.0 901.6 898.5 895.5 893.4 887.0 890.5 895.1 902.0 906.2 906.1 906.2 DAY-HOUR 1- 6 21- 6 27- 6 4- 6 13- 6 21- 6 23- 6 28- 6 21- 6 31- 6 12- 6 13- 6 1977 905.0 905.5 904.1 896.9 895.5 892.0 886.5 891.7 897.7 902.5 903.6 904.6 905.5 DAY-HOUR 11- 6 15- 6 10- 6 14- 6 14- 6 1- 6 20- 6 23- 6 30- 6 24- 6 27- 6 18- 6 1978 905.3 904.9 899.2 897.4 896.7 893.3 891.8 889.8 896.6 901.3 907.8 905.7 907.8 DAY-HOUR 13- 6 6- 6 9- 6 6- 6 4- 6 5- 6 9- 3 25- 6 29- 6 24- 6 26- 6 25- 6 1979 905.8 900.1 903.2 900.9 899.3 896.8 890.3 895.7 897.1 902.8 905.9 906.3 906.3 DAY-HOUR 18- 6 2- 6 5- 6 18- 6 20- 6 5- 6 21- 6 31- 6 30- 6 21- 6 13- 6 23- 6 1980 902.1 902.5 900.1 900.2 896.5 894.6 891.7 893.3 897.8 901.1 904.0 903.1 904.0 DAY-HOUR 10- 6 3- 6 15- 6 21- 6 1- 6 2- 6 18- 6 31- 6 24- 6 23- 6 3- 6 4- 6 1981 904.8 902.5 903.4 900.3 898.2 894.8 891.6 891.2 898.8 904.1 903.4 904.4 904.8 DAY-HOUR 9- 6 4- 6 6- 6 20- 6 2- 9 11- 6 30- 6 3- 3 27- 6 25- 6 27- 6 12- 6 1982 904.4 904.8 901.3 902.2 899.0 893.5 889.5 891.6 898.3 901.5 907.5 904.5 907.5 DAY-HOUR 21- 6 20- 6 16- 6 4- 6 13- 6 5- 6 14- 6 31- 6 21- 6 25- 6 18- 6 9- 6 1983 907.0 902.9 901.8 898.5 896.3 896.6 891.4 889.3 896.2 904.2 906.4 906.9 907.0 DAY-HOUR 8- 6 23- 6 26- 6 19- 6 8- 6 1- 6 11- 6 31- 6 30- 6 28- 6 5- 6 4- 6 1984 905.2 905.0 902.1 896.8 894.1 891.4 888.9 887.3 896.4 905.6 905.0 905.1 905.6 DAY-HOUR 5- 6 20- 6 4- 6 2- 6 26- 6 4- 6 4- 3 24- 6 26- 6 9- 6 27- 6 20- 6 1985 902.3 899.1 906.0 896.3 897.7 890.0 888.0 894.8 896.5 900.5 902.8 903.5 906.0 DAY-HOUR 25- 6 11- 9 6- 6 18- 6 12-18 2- 6 2- 6 30- 6 30- 6 26- 6 17- 6 31- 6 1986 905.5 900.7 902.5 899.4 897.7 892.2 890.0 893.3 899.0 902.8 904.0 902.3 905.5 DAY-HOUR 24- 6 22- 6 28- 6 5- 6 20- 6 2- 6 3-18 31-18 23- 6 20- 9 16- 6 7- 6 1987 903.4 903.7 898.3 898.3 898.6 894.2 892.1 893.1 898.4 903.8 908.9 909.3 909.3 DAY-HOUR 17- 6 12- 6 23- 6 22-18 1- 6 1- 6 29- 6 7- 6 26- 6 29- 6 30- 6 1- 6 1988 908.4 906.1 898.0 900.2 894.7 894.4 887.8 890.7 896.1 902.0 902.9 906.1 908.4 DAY-HOUR 3- 6 7- 6 18- 6 3-18 5- 6 1- 6 31- 3 21- 6 24-18 17- 6 6- 6 29-18 1989 903.7 904.4 898.8 899.9 896.8 890.4 889.4 892.2 900.2 904.1 902.9 901.1 904.4 DAY-HOUR 27- 6 26- 6 8- 6 9- 6 1-21 2- 6 20- 3 31- 6 24- 6 27- 6 26- 6 10- 6 1990 904.9 902.7 905.0 896.8 895.4 892.1 889.1 890.2 895.1 905.2 905.2 907.0 907.0 DAY-HOUR 27- 6 8- 6 10- 6 3-21 16- 6 1- 6 15- 6 4- 6 26- 6 19- 6 23- 6 28- 6 1991 905.3 908.4 900.2 898.5 895.0 892.0 889.0 889.9 899.3 900.1 903.7 902.5 908.4 DAY-HOUR 13- 6 15- 6 12-21 15- 6 9- 6 22- 6 1- 6 23- 6 28- 6 20- 6 13- 6 18- 6 1992 908.5 900.6 905.1 898.3 897.5 893.2 889.5 893.7 896.8 900.5 904.0 903.5 908.5 DAY-HOUR 10- 6 16-18 13- 6 12- 6 29- 6 11- 6 6- 3 31-18 1- 6 30- 6 4- 6 11- 6 1993 905.1 902.6 900.5 900.2 897.3 894.2 891.0 893.0 895.3 904.3 903.3 905.5 905.5 DAY-HOUR 6- 6 8- 6 17- 6 1- 6 10- 6 23- 6 27- 6 26- 6 23- 6 17- 6 30- 6 27- 6 1994 905.7 900.6 900.5 903.5 895.8 890.8 887.9 890.0 901.3 904.5 902.5 907.1 907.1 DAY-HOUR 28- 6 4- 6 18- 6 5- 6 8- 6 9- 6 14- 6 16- 6 23- 6 10- 6 2- 6 8- 6 1995 904.0 899.9 901.7 898.6 898.2 894.9 886.5 890.0 895.5 903.4 903.8 904.0 904.0 DAY-HOUR 7- 6 26- 6 3- 6 10- 6 26-18 1-12 28- 6 25- 6 22- 6 26-18 28- 6 11- 6 1996 904.2 900.3 897.7 900.6 896.7 890.7 893.8 893.4 896.4 902.0 909.8 906.2 909.8 DAY-HOUR 27- 6 14- 6 1- 6 7- 6 3- 6 1- 3 4- 6 30- 6 25- 6 19- 6 19- 6 8- 6 1997 904.0 903.3 902.9 898.8 899.7 892.1 886.5 890.7 896.9 900.7 905.0 906.7 906.7 DAY-HOUR 19- 6 7-18 11- 6 14- 6 7- 6 4- 6 9- 6 31- 6 20- 6 9- 6 8- 6 29- 6 1998 903.1 903.5 899.4 901.7 898.5 894.5 890.1 892.3 897.3 901.3 903.5 906.7 906.7 DAY-HOUR 4- 6 23- 6 23- 6 12- 3 3- 6 6- 6 22- 6 25- 6 13- 6 26- 6 21- 6 10- 6 1999 905.3 902.1 901.3 897.7 896.2 893.7 888.3 893.3 898.4 899.0 904.1 907.5 907.5 DAY-HOUR 2-18 12- 6 19- 6 1- 6 12- 6 1- 6 27- 6 19- 6 30- 6 27- 6 14- 6 6- 6 2000 904.8 903.6 899.8 897.6 894.1 891.8 892.5 892.4 895.6 901.3 907.6 905.3 907.6 DAY-HOUR 31- 6 11- 6 4- 6 3- 6 6- 6 17- 6 20-21 23- 6 29- 6 16- 6 17- 6 17- 6 2001 904.0 903.1 902.4 899.0 893.8 892.3 890.3 893.9 898.8 901.0 903.9 905.9 905.9 DAY-HOUR 30- 6 9-18 2- 6 4- 6 12- 6 2- 6 29- 6 14- 6 22- 6 11- 6 20- 6 18- 6 2002 904.5 904.4 906.0 900.4 895.7 892.2 891.4 891.1 896.7 899.7 905.8 905.0 906.0 DAY-HOUR 26- 6 5- 6 11- 6 1- 6 10- 6 25- 6 31- 6 2- 6 21- 6 10- 6 18- 6 4- 6 2003 904.5 901.2 906.6 898.5 899.5 893.3 888.2 892.6 898.8 899.8 907.6 907.8 907.8 DAY-HOUR 12- 6 7- 6 3- 6 7- 6 2- 6 1- 3 3- 6 4- 6 27- 6 16- 6 25- 6 12- 6 2004 903.9 904.0 902.4 898.8 894.3 894.0 892.0 892.2 898.6 902.9 916.2 921.3 921.3 DAY-HOUR 1- 6 10- 6 23- 6 13- 6 27- 6 2- 6 18- 6 31- 6 27- 6 27- 6 29- 6 4- 6 2005 915.4 915.5 910.6 913.5 907.6 904.1 899.9 902.5 905.2 912.7 914.6 917.4 917.4 DAY-HOUR 13- 6 15- 6 27- 6 9- 6 8- 6 6- 3 19- 6 27- 6 25- 6 24- 6 27- 6 28- 6 1956-2005 915.4 915.5 910.6 913.5 907.6 904.1 899.9 903.5 908.0 912.7 916.2 921.3 921.3 YEAR-DAY 5-13 5-15 5-27 5- 9 5- 8 5- 6 5-19 57-31 57-10 5-24 4-29 4- 4 4- 4 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 45 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MIN. OF QFE PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 878.9 879.1 883.4 886.1 889.7 890.6 891.7 ****** DAY-HOUR **-** **-** **-** **-** **-** 2-15 15-15 4-12 10-12 28-12 8-12 11-12 1957 886.1 885.3 884.8 886.7 886.7 881.1 878.0 889.7 889.8 890.0 890.0 888.9 878.0 DAY-HOUR 12- 3 5-12 16-12 4-12 30-15 6-15 13-15 8-12 28-12 4-12 18- 9 7- 0 1958 892.8 893.2 893.0 891.6 891.8 883.8 875.2 883.0 886.0 891.4 891.6 891.2 875.2 DAY-HOUR 22-21 5-12 9-21 30-21 1- 0 21-15 9-15 2-15 3-12 9-12 7-12 1-12 1959 885.0 882.8 882.0 888.0 882.2 878.2 880.0 878.8 881.9 886.7 890.2 891.7 878.2 DAY-HOUR 23-12 17-12 1- 0 19-15 24-12 28-15 2-12 3-12 24-18 30-12 26- 0 12-12 1960 891.1 889.3 883.9 880.5 881.9 880.1 878.4 881.5 883.5 888.6 889.4 891.9 878.4 DAY-HOUR 27-12 29-12 9-12 28-21 31-12 21-12 1-12 12-12 2-12 11-12 20-12 30-12 1961 890.7 886.6 884.4 883.7 879.8 879.1 879.4 881.2 883.0 889.5 891.2 888.1 879.1 DAY-HOUR 27- 3 17-12 13- 9 8-15 30-12 7- 0 15-15 8-12 11-12 2-12 24-12 22-12 1962 889.3 889.3 884.5 882.4 884.4 880.6 881.2 883.1 885.0 889.0 895.0 890.8 880.6 DAY-HOUR 27-12 18-12 29-12 5-15 25-15 10-15 13-15 2-15 17-12 9-12 3-12 25-12 1963 891.9 889.0 883.0 881.0 881.8 879.0 881.2 882.1 884.0 891.1 891.0 887.4 879.0 DAY-HOUR 31-12 13-15 13-12 15-12 11-12 17-15 5-12 7-12 2- 6 2-12 25-12 11-12 1964 881.1 888.9 886.2 882.2 883.7 877.2 878.8 877.9 885.1 889.0 886.3 892.4 877.2 DAY-HOUR 19-12 10-12 4-12 9-12 12-12 29-12 11-12 2-12 2-12 3-12 27-12 24-12 1965 884.7 885.8 887.5 882.8 885.9 880.2 880.7 885.1 889.0 887.0 892.2 890.4 880.2 DAY-HOUR 11- 0 9-12 23-12 21-12 30-12 24-15 12-12 1- 0 22-12 25-12 9-12 20-12 1966 893.0 887.8 881.1 885.0 887.0 879.7 881.6 881.7 887.8 889.4 897.9 889.1 879.7 DAY-HOUR 27-12 15- 0 20-12 14-15 26-15 27-15 17-15 5-15 13-12 15-15 30-12 12-12 1967 890.8 885.7 879.6 884.1 885.4 882.4 877.9 881.4 885.4 888.3 893.0 885.5 877.9 DAY-HOUR 21-12 6-12 24-15 26-15 18-18 19-15 10-15 4-15 7-12 3-12 27-12 23-12 1968 887.0 882.3 885.2 885.9 887.4 879.4 880.1 883.0 886.1 890.5 892.4 889.6 879.4 DAY-HOUR 22-15 3- 9 19- 0 24-15 17-12 23-15 12-12 13-15 7-12 5-12 18-12 9- 9 1969 885.5 890.0 887.1 886.2 885.3 881.5 880.8 882.8 886.2 889.1 891.2 890.3 880.8 DAY-HOUR 25- 6 14-12 21-12 17-12 29-15 22-15 22-15 8-12 11-12 28-12 9-12 14-12 1970 888.2 886.1 889.8 888.2 884.4 881.6 880.0 880.2 884.3 887.4 892.8 887.8 880.0 DAY-HOUR 22-15 23-15 23-12 19-15 30-15 9-15 1-15 7-15 1-15 8-12 30-12 14-12 1971 888.4 884.2 885.4 886.2 883.1 876.7 881.2 881.7 885.5 889.5 891.5 886.0 876.7 DAY-HOUR 14-12 14- 3 20-12 26- 3 29-15 5-15 23-15 9-12 2-15 1-12 11-12 20-12 1972 887.9 887.0 884.9 886.1 883.5 878.7 879.2 879.7 885.0 893.1 891.3 890.1 878.7 DAY-HOUR 29-15 9-12 2-12 25-12 3-15 24-12 3-15 1-12 11-15 17-12 8-12 17-12 1973 888.0 885.4 886.4 884.7 882.3 876.0 877.3 882.6 885.9 891.3 890.6 887.4 876.0 DAY-HOUR 16-12 22-12 7-12 24-12 30-15 15-15 16-15 12-15 3-12 18-12 3-12 7-12 1974 881.1 888.7 887.3 883.5 883.5 881.1 878.7 880.7 883.1 894.0 891.1 888.6 878.7 DAY-HOUR 25- 3 12-12 31-12 29-12 27-12 3-12 20-12 11-15 3-15 18-12 26-12 13-15 1975 889.9 885.9 885.9 884.3 885.4 881.8 881.5 878.9 884.3 886.5 884.3 891.0 878.9 DAY-HOUR 5-12 6-12 19-12 24-15 25-12 30-12 17-12 14-15 10-12 3-15 29-12 31- 3 1976 889.3 885.9 885.0 887.8 884.2 881.5 878.5 882.8 885.5 887.7 884.3 889.0 878.5 DAY-HOUR 30-12 5-12 11-15 5-12 7-15 6-15 19-12 1-12 18-12 18-12 29-12 31-12 1977 888.2 888.8 887.2 883.2 883.8 878.6 876.4 880.7 888.7 889.3 886.0 890.8 876.4 DAY-HOUR 17-12 25-15 30-12 7-15 25-15 23-15 2-12 18-12 3-12 5-12 17- 9 9-12 1978 886.9 888.4 885.2 884.9 879.8 874.1 877.9 882.0 882.5 889.5 890.4 888.5 874.1 DAY-HOUR 21-15 12-12 15-12 19-12 30-15 22-12 2-15 7-12 2-12 1-12 11-12 15- 9 1979 888.3 886.7 884.5 886.8 885.5 880.6 880.9 882.7 887.4 890.5 887.9 888.0 880.6 DAY-HOUR 11-12 11-12 31-12 12-12 8-15 22-15 6-15 1-15 5-12 4-12 29-12 16-12 1980 885.5 885.4 880.8 887.1 885.4 880.0 882.2 881.0 887.2 890.2 890.0 889.1 880.0 DAY-HOUR 24- 9 25- 9 2-12 26-12 29-12 17-12 3-15 11-15 19-12 26-12 25-12 10-12 1981 885.2 885.7 885.1 884.0 883.3 881.5 878.3 882.7 886.4 890.3 891.5 889.2 878.3 DAY-HOUR 3-12 12- 9 13-12 29-12 12-15 16-15 2-12 14-15 22-12 17-12 23- 3 26-12 1982 883.5 885.0 885.8 883.1 887.3 881.8 876.7 877.5 886.9 889.4 890.7 887.6 876.7 DAY-HOUR 17-12 14-12 7-12 18-12 23-15 25-15 31-12 1-12 13-12 1-12 7-12 7-15 1983 884.5 885.7 886.1 886.2 885.0 880.7 879.4 880.7 883.3 888.2 893.7 887.1 879.4 DAY-HOUR 24-15 28-12 7- 3 1-15 12-12 28-15 27-15 5-12 9-12 5-12 11-15 27-12 1984 886.2 886.8 885.1 884.3 883.0 879.9 880.7 881.0 884.0 889.5 890.8 889.4 879.9 DAY-HOUR 17- 3 8-12 14- 0 26-12 29-15 7-15 15-15 8-15 1-12 18-12 15-21 7-12 1985 890.4 882.0 885.0 884.5 883.7 880.8 880.5 883.0 885.2 887.6 892.0 886.8 880.5 DAY-HOUR 17-12 16-15 25-12 11-12 21-15 19-15 27-15 7-15 8-12 11-12 8- 0 19-12 1986 883.9 885.0 884.0 885.0 884.4 878.0 882.1 883.6 888.5 891.0 887.0 884.0 878.0 DAY-HOUR 20-12 16-12 8-18 30-12 10-12 20-12 21-12 4-12 5-12 1- 0 7-12 20-18 1987 886.4 887.8 882.8 887.0 886.1 881.8 879.8 881.4 885.6 888.6 891.0 887.1 879.8 DAY-HOUR 3- 0 10-18 14-12 4-15 28-12 11-15 3-15 29-12 2-12 9-12 7-21 31-12 1988 884.6 886.7 880.1 886.2 884.9 879.0 877.8 880.8 883.4 888.5 889.6 886.8 877.8 DAY-HOUR 19-12 25-12 24- 0 23-12 24-12 25-12 8-12 4-12 1-12 7-12 20-12 26-12 1989 886.1 886.0 883.0 886.2 884.3 879.7 882.0 881.9 883.2 888.5 893.0 890.0 879.7 DAY-HOUR 12-12 23- 3 28-21 29-21 31-15 7-15 18-15 1-12 12-12 2-12 20-12 5-12 1990 887.4 884.3 885.6 883.0 880.7 880.1 877.2 881.9 884.6 888.5 889.8 886.1 877.2 DAY-HOUR 2-12 24-12 25-12 16- 0 13-12 27-12 5-12 8-15 3-12 2-12 1-12 25-12 1991 884.2 889.1 882.8 885.2 881.6 879.9 877.2 881.0 885.3 891.4 890.6 887.2 877.2 DAY-HOUR 26- 0 8- 0 7-12 10-12 28-15 12-12 14-15 12-15 3-12 5-12 6-12 26- 0 1992 887.9 885.2 884.5 883.4 886.1 876.5 881.0 881.0 887.5 888.4 887.9 888.7 876.5 DAY-HOUR 25-12 11-12 31-12 19- 0 4-15 27-12 18-15 1-12 8-12 7-12 26-12 4-12 1993 885.2 887.0 883.2 884.2 880.5 881.7 880.7 882.7 886.0 889.0 888.8 889.5 880.5 DAY-HOUR 14-12 23-12 22-12 13- 0 29-15 3-12 14-12 12-15 3-12 3-12 14-12 5- 0 1994 887.3 885.4 887.1 885.3 886.2 877.5 878.2 879.0 884.0 890.4 888.2 886.1 877.5 DAY-HOUR 16-21 12-12 15-15 3-12 2- 0 29-12 21-15 3-15 1-12 3-12 26- 3 4-12 1995 889.1 886.2 883.9 886.3 883.5 879.7 876.5 880.2 886.1 889.3 887.2 891.3 876.5 DAY-HOUR 1-12 24-12 27-12 25-12 14-12 17-15 16-15 3-15 19-12 7-12 26- 0 25-12 1996 890.1 885.3 884.8 885.6 885.3 882.6 882.5 882.2 881.2 887.6 891.4 889.5 881.2 DAY-HOUR 13- 0 5- 9 14-12 10-12 30- 0 5-21 25-12 7-12 20-12 6-12 29- 0 15-12 1997 883.4 886.6 882.9 885.5 884.9 879.6 877.5 881.9 885.4 890.8 890.5 887.6 877.5 DAY-HOUR 17-15 1- 0 30- 0 11-12 5-12 19-15 16-12 1- 0 2-12 23-12 13-12 10-12 1998 881.0 882.3 885.1 885.3 881.9 882.7 876.7 883.5 884.7 887.8 892.1 891.9 876.7 DAY-HOUR 13-12 13-12 15-12 6-12 30-12 30-12 8-15 22-15 6-12 2-12 1-12 19- 0 1999 886.9 885.3 885.0 887.0 881.7 877.9 880.5 882.0 884.0 889.9 889.2 890.9 877.9 DAY-HOUR 19- 0 6- 3 2-21 14-15 20-15 23-15 2-15 6-12 16-12 13-15 1-12 16- 0 2000 886.2 885.1 884.7 886.3 881.6 879.2 880.0 882.3 880.7 888.9 887.7 888.8 879.2 DAY-HOUR 21- 0 7-18 2-15 29-12 27-12 25-15 9-15 31-12 2-15 2-12 6-12 15-12 2001 889.9 884.4 882.5 885.4 879.8 879.5 877.0 882.3 884.4 889.1 889.7 890.0 877.0 DAY-HOUR 18-12 21-12 26- 9 10-12 25-15 18-12 18-15 27-12 1-12 2-12 17-12 5-12 2002 887.4 889.0 887.2 879.2 882.8 877.6 880.4 881.2 887.5 891.5 890.0 886.3 877.6 DAY-HOUR 22-12 25-12 23- 0 4- 9 13-15 21-12 25-15 17-12 10-12 12-12 13-12 22-12 2003 886.8 883.6 885.5 885.9 883.8 877.7 877.8 880.9 884.7 889.5 888.6 890.7 877.7 DAY-HOUR 28-21 17-12 13-12 17-12 23-15 30-15 25-15 1-12 12-12 6- 0 14-12 6-12 2004 884.0 888.9 884.3 882.8 881.1 878.9 880.4 881.2 885.9 892.3 901.4 900.4 878.9 DAY-HOUR 27-12 2-15 31-15 17-21 13-15 17-21 11-12 15-12 11-12 3-12 24-12 15-12 2005 896.2 897.6 894.1 895.1 893.6 887.2 888.7 892.6 895.6 900.6 902.1 901.7 887.2 DAY-HOUR 23-12 5-12 24-12 30-15 6-12 27-15 4-15 7-15 5-12 4-12 9-12 26- 0 1956-2005 881.0 882.0 879.6 879.2 879.8 874.1 875.2 877.5 880.7 886.5 884.3 884.0 874.1 YEAR-DAY 98-13 85-16 67-24 2- 4 61-30 78-22 58- 9 82- 1 0- 2 75- 3 75-29 86-20 78-22 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 46 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF QNH PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1005.6 1005.4 1010.4 1012.5 1018.9 1021.2 1021.5 ****** 1957 1017.5 1018.9 1015.8 1014.7 1012.8 1010.0 1008.5 1019.1 1021.9 1018.8 1020.3 1019.8 1016.5 1958 1019.8 1019.2 1017.1 1016.3 1015.9 1009.6 1005.8 1009.3 1012.4 1018.7 1023.4 1020.2 1015.6 1959 1019.7 1015.1 1016.4 1015.9 1012.4 1009.7 1005.8 1004.5 1008.7 1016.7 1019.9 1023.2 1014.0 1960 1020.7 1018.8 1014.8 1014.6 1013.6 1007.3 1004.9 1006.4 1013.1 1018.9 1020.7 1021.7 1014.6 1961 1020.2 1017.7 1015.0 1014.3 1011.2 1008.7 1004.3 1007.6 1009.2 1018.6 1019.9 1019.3 1013.8 1962 1019.8 1017.1 1014.6 1013.1 1011.9 1009.3 1006.5 1009.8 1013.5 1019.1 1022.9 1020.0 1014.8 1963 1019.4 1017.7 1013.3 1012.5 1010.2 1008.5 1005.8 1007.5 1013.4 1017.8 1019.3 1019.8 1013.8 1964 1020.8 1016.4 1015.3 1012.0 1011.8 1006.8 1004.5 1004.9 1012.5 1019.4 1020.4 1022.8 1014.0 1965 1017.1 1016.2 1016.5 1012.7 1012.7 1008.6 1005.9 1011.0 1015.5 1018.5 1021.3 1020.8 1014.7 1966 1021.6 1017.1 1015.5 1014.8 1014.4 1008.5 1006.7 1009.5 1014.1 1019.2 1025.2 1020.0 1015.6 1967 1021.8 1017.0 1013.7 1014.0 1013.8 1009.2 1004.6 1007.6 1011.9 1021.0 1019.6 1019.6 1014.5 1968 1017.4 1018.6 1016.2 1015.8 1014.7 1008.4 1007.3 1008.8 1014.5 1019.6 1022.5 1019.7 1015.3 1969 1019.3 1019.4 1016.3 1015.2 1012.7 1009.5 1005.9 1010.5 1015.2 1018.6 1022.2 1021.1 1015.5 1970 1019.3 1018.1 1016.9 1016.6 1012.6 1007.9 1006.0 1006.1 1012.3 1017.6 1020.7 1019.9 1014.5 1971 1020.5 1015.1 1017.1 1013.2 1010.5 1004.3 1005.8 1006.9 1014.2 1018.3 1020.3 1017.7 1013.7 1972 1018.6 1019.1 1015.1 1013.9 1011.9 1008.1 1006.1 1010.5 1014.2 1019.4 1019.2 1020.3 1014.7 1973 1020.7 1016.9 1015.9 1013.3 1010.4 1005.2 1003.5 1007.7 1012.6 1018.1 1019.6 1020.3 1013.7 1974 1017.6 1018.4 1016.7 1012.1 1011.1 1007.1 1005.0 1006.9 1012.2 1019.6 1020.7 1019.3 1013.9 1975 1019.4 1016.1 1015.1 1015.1 1011.8 1007.5 1005.2 1006.3 1012.1 1016.2 1020.3 1020.3 1013.8 1976 1016.9 1016.3 1014.8 1014.4 1011.7 1008.4 1003.4 1007.2 1012.0 1016.2 1021.7 1020.8 1013.7 1977 1018.1 1020.3 1017.7 1012.7 1011.8 1005.9 1002.7 1007.5 1014.1 1017.8 1018.8 1019.2 1013.9 1978 1019.5 1017.8 1015.2 1012.4 1010.6 1006.1 1005.8 1007.0 1012.2 1018.9 1020.0 1019.4 1013.7 1979 1019.2 1015.3 1015.2 1014.8 1014.2 1009.1 1006.8 1009.2 1014.9 1018.5 1021.4 1019.0 1014.8 1980 1017.6 1016.6 1015.1 1013.8 1011.8 1007.5 1007.0 1007.4 1013.2 1016.4 1019.7 1018.8 1013.7 1981 1018.8 1016.3 1014.1 1013.1 1012.1 1008.4 1005.7 1008.4 1014.9 1019.8 1019.1 1019.5 1014.2 1982 1017.7 1015.3 1014.6 1013.9 1014.5 1008.6 1006.3 1006.3 1014.7 1017.6 1018.9 1020.3 1014.1 1983 1018.9 1017.0 1015.7 1013.9 1011.7 1008.9 1006.1 1006.0 1010.7 1018.1 1021.4 1020.3 1014.1 1984 1018.0 1019.8 1015.5 1013.2 1010.6 1006.0 1005.8 1004.9 1013.0 1019.9 1019.3 1020.7 1013.9 1985 1018.0 1012.7 1016.3 1011.5 1011.4 1006.1 1004.3 1009.3 1012.3 1016.6 1019.5 1018.3 1013.0 1986 1018.3 1015.5 1014.4 1013.0 1012.5 1005.0 1007.1 1009.4 1014.6 1017.9 1017.4 1017.3 1013.6 1987 1018.1 1018.1 1012.2 1014.6 1013.2 1008.8 1008.0 1007.5 1012.2 1018.9 1020.1 1019.5 1014.3 1988 1017.5 1016.2 1012.7 1013.6 1010.8 1007.3 1003.3 1006.2 1011.4 1017.6 1019.3 1017.9 1012.8 1989 1017.1 1018.6 1013.1 1014.6 1012.5 1007.3 1006.5 1008.1 1011.2 1017.2 1019.6 1017.7 1013.6 1990 1017.7 1014.4 1016.5 1011.9 1010.0 1006.6 1004.7 1007.0 1010.9 1017.8 1019.9 1018.9 1013.0 1991 1018.0 1017.7 1014.4 1013.9 1009.3 1007.5 1004.7 1006.7 1013.1 1018.3 1020.1 1017.8 1013.5 1992 1017.6 1014.3 1014.8 1012.8 1013.2 1007.0 1005.6 1008.6 1013.4 1016.9 1019.7 1018.1 1013.5 1993 1018.4 1017.4 1015.9 1013.4 1011.9 1007.5 1006.4 1009.4 1011.9 1020.3 1019.1 1020.8 1014.4 1994 1018.2 1014.3 1015.2 1014.5 1012.0 1004.8 1002.8 1005.5 1015.0 1019.2 1018.1 1020.1 1013.3 1995 1019.5 1016.6 1015.4 1013.4 1012.9 1007.2 1002.0 1006.7 1012.0 1017.2 1018.4 1020.6 1013.5 1996 1019.3 1015.4 1013.3 1013.9 1012.8 1007.6 1007.3 1008.4 1010.3 1017.1 1021.2 1021.1 1014.0 1997 1017.2 1016.8 1012.8 1013.0 1013.0 1007.4 1003.1 1007.1 1012.9 1017.3 1019.4 1018.3 1013.2 1998 1016.2 1016.3 1014.9 1013.7 1012.4 1009.8 1005.3 1008.9 1012.0 1017.0 1019.8 1021.3 1014.0 1999 1018.2 1016.9 1013.8 1013.7 1010.9 1006.9 1004.9 1008.0 1010.8 1016.4 1018.2 1022.1 1013.4 2000 1016.9 1016.3 1014.6 1012.7 1008.2 1006.7 1007.0 1008.2 1010.7 1016.9 1020.1 1019.1 1013.1 2001 1019.0 1016.4 1014.9 1012.3 1008.8 1005.2 1004.5 1009.0 1012.5 1016.6 1018.7 1020.6 1013.2 2002 1018.3 1017.6 1015.7 1012.1 1010.3 1007.0 1007.2 1006.8 1013.2 1017.1 1019.7 1018.2 1013.6 2003 1018.3 1014.1 1015.2 1014.2 1013.0 1006.5 1003.6 1008.4 1012.0 1017.1 1019.8 1021.2 1013.6 2004 1016.2 1017.7 1016.5 1013.0 1010.1 1007.0 1007.3 1007.2 1013.6 1019.6 1031.6 1032.1 1016.0 2005 1031.2 1028.5 1026.8 1028.1 1024.5 1018.9 1017.4 1019.8 1023.4 1030.4 1032.7 1033.5 1026.3 MEAN 1018.9 1017.1 1015.4 1014.0 1012.2 1007.7 1005.7 1008.2 1013.1 1018.4 1020.6 1020.4 1014.3 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 47 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MAX. OF QNH PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1011.8 1010.4 1018.2 1019.3 1025.7 1027.1 1028.9 ****** DAY-HOUR **-** **-** **-** **-** **-** 6- 6 17-18 31- 3 30- 6 26- 6 20- 6 24- 6 1957 1027.3 1028.3 1022.8 1022.4 1017.5 1015.0 1018.2 1026.3 1031.3 1024.9 1030.3 1028.9 1031.3 DAY-HOUR 4- 6 13- 6 3- 6 17- 6 12- 6 18- 3 30- 6 31- 6 10- 6 19- 6 24- 6 23- 6 1958 1026.0 1024.0 1021.2 1022.6 1024.0 1015.8 1012.9 1014.2 1018.2 1023.7 1029.1 1027.3 1029.1 DAY-HOUR 2-18 19- 6 1- 6 2- 6 13- 9 3- 3 16- 3 25- 6 30- 6 22- 6 4- 6 6- 6 1959 1027.7 1023.7 1023.1 1023.3 1019.8 1015.5 1013.8 1009.4 1015.8 1026.5 1027.6 1031.7 1031.7 DAY-HOUR 3- 6 3- 6 15- 6 8- 6 5- 6 21- 6 20- 3 29- 6 25- 6 21- 6 22- 6 16- 6 1960 1028.1 1029.6 1023.3 1024.9 1023.0 1015.0 1012.0 1010.4 1021.3 1026.5 1028.2 1030.3 1030.3 DAY-HOUR 19- 6 15- 6 16- 6 8- 6 6- 6 3- 3 17- 6 15- 6 6- 0 30- 6 27- 6 5- 6 1961 1030.4 1027.5 1028.1 1021.5 1018.2 1018.3 1010.2 1014.5 1016.3 1026.4 1027.4 1029.1 1030.4 DAY-HOUR 10- 6 23- 6 4- 6 21- 6 1-21 10- 6 24- 6 10- 6 29- 6 31-21 1- 6 4- 6 1962 1030.6 1026.9 1024.5 1021.1 1018.5 1017.3 1013.1 1015.5 1022.6 1026.7 1030.4 1029.2 1030.6 DAY-HOUR 19- 6 11- 6 4- 6 19- 6 17- 6 2- 6 31- 6 27- 6 25- 6 27- 6 23- 6 1- 6 1963 1025.7 1027.3 1023.6 1020.6 1016.2 1019.5 1009.9 1011.4 1020.9 1023.4 1024.1 1027.1 1027.3 DAY-HOUR 6- 6 5- 6 23- 6 2- 6 16- 6 11- 6 25- 3 25- 6 25- 6 12- 6 6- 6 21- 6 1964 1030.6 1025.7 1023.4 1021.3 1016.9 1016.9 1010.0 1010.9 1021.3 1024.2 1028.1 1029.6 1030.6 DAY-HOUR 31- 3 28- 6 18- 3 25- 6 10- 3 3- 6 17- 6 31- 6 29- 6 30- 6 30- 6 1- 6 1965 1025.3 1025.5 1023.7 1019.6 1020.5 1016.4 1010.7 1016.2 1021.5 1025.5 1027.3 1028.3 1028.3 DAY-HOUR 16- 6 26- 6 17- 6 25- 6 21- 6 3- 6 9- 6 9- 6 30- 6 29- 6 28- 6 4- 6 1966 1029.0 1026.9 1026.0 1023.9 1020.1 1016.8 1012.5 1015.3 1018.5 1026.5 1031.0 1029.6 1031.0 DAY-HOUR 1- 6 26- 6 3- 6 6- 6 13- 6 2- 6 11- 6 17- 6 20- 6 31- 6 23- 6 8- 6 1967 1030.7 1027.1 1026.5 1023.4 1023.6 1017.4 1011.9 1013.5 1018.3 1027.6 1024.6 1027.6 1030.7 DAY-HOUR 6- 6 28- 6 3- 6 4- 6 3- 6 16- 6 14- 6 16- 6 26- 6 15- 6 6- 6 12- 6 1968 1027.4 1028.3 1028.2 1023.0 1021.4 1019.6 1014.0 1017.3 1020.0 1026.9 1030.1 1028.5 1030.1 DAY-HOUR 19-18 6- 6 27- 6 1- 6 8- 6 1- 6 14- 6 30- 6 21- 6 17- 6 24- 6 21- 6 1969 1028.4 1030.9 1024.1 1020.5 1021.5 1018.3 1011.3 1018.0 1025.0 1023.5 1031.3 1027.1 1031.3 DAY-HOUR 9- 6 3- 6 25- 6 15- 6 22- 6 3- 6 14- 6 31- 6 14- 6 15- 6 23- 6 11- 6 1970 1029.3 1025.4 1024.2 1023.6 1021.1 1013.2 1012.4 1012.4 1021.3 1026.3 1029.0 1030.3 1030.3 DAY-HOUR 3- 6 8- 6 26- 6 27- 6 23- 6 16- 6 9- 6 30- 6 22- 6 27- 6 15- 6 30- 6 1971 1031.3 1023.4 1024.5 1020.6 1016.3 1010.3 1011.9 1011.6 1020.6 1024.1 1028.4 1026.5 1031.3 DAY-HOUR 4- 6 4- 9 17- 6 21- 6 1- 6 1- 6 26- 3 21- 6 24- 6 11- 6 20- 6 11- 6 1972 1030.1 1028.6 1023.4 1021.3 1021.4 1017.1 1011.1 1016.0 1020.4 1026.9 1026.0 1031.3 1031.3 DAY-HOUR 5- 6 25- 6 29- 6 8- 6 25- 6 1- 6 25- 6 27- 6 22- 6 26- 6 24- 6 28- 6 1973 1032.3 1031.2 1028.6 1019.3 1020.0 1014.2 1009.1 1011.8 1021.6 1023.6 1028.3 1030.5 1032.3 DAY-HOUR 26- 6 7- 6 10- 6 14- 6 8- 6 3- 6 22- 6 22- 6 29- 6 22- 6 12- 6 26- 6 1974 1027.9 1027.0 1025.4 1018.9 1018.4 1012.2 1010.6 1011.0 1017.8 1027.2 1029.2 1027.9 1029.2 DAY-HOUR 26- 6 4- 6 15- 6 13- 6 2- 6 1- 6 29- 3 14- 6 9- 6 15- 6 18- 6 31- 6 1975 1032.8 1025.6 1023.4 1026.2 1019.6 1012.4 1010.4 1013.7 1021.4 1024.9 1027.7 1028.5 1032.8 DAY-HOUR 15- 6 18- 6 24- 6 4- 6 20- 6 6- 6 29- 6 31- 6 19- 6 21- 6 21- 6 25- 6 1976 1024.3 1026.9 1024.2 1020.8 1017.4 1015.1 1008.0 1011.9 1017.0 1024.6 1029.3 1029.2 1029.3 DAY-HOUR 1- 6 21- 6 27- 6 4- 6 13- 6 21- 6 23- 6 28- 6 21- 6 31- 6 12- 6 13- 6 1977 1028.0 1028.5 1027.0 1019.0 1017.4 1013.5 1007.4 1013.2 1019.9 1025.2 1026.4 1027.5 1028.5 DAY-HOUR 11- 6 15- 6 10- 6 14- 6 14- 6 1- 6 20- 6 23- 6 30- 6 24- 6 27- 6 18- 6 1978 1028.3 1027.9 1021.5 1019.5 1018.8 1015.0 1013.3 1011.1 1018.7 1023.9 1031.1 1028.7 1031.1 DAY-HOUR 13- 6 6- 6 9- 6 6- 6 4- 6 5- 6 9- 3 25- 6 29- 6 24- 6 26- 6 25- 6 1979 1028.9 1022.5 1026.0 1023.4 1021.6 1018.9 1011.7 1017.7 1019.2 1025.5 1029.0 1029.4 1029.4 DAY-HOUR 18- 6 2- 6 5- 6 18- 6 20- 6 5- 6 21- 6 31- 6 30- 6 21- 6 13- 6 23- 6 1980 1024.8 1025.2 1022.5 1022.6 1018.5 1016.4 1013.2 1015.0 1020.0 1023.6 1026.9 1025.9 1026.9 DAY-HOUR 10- 6 3- 6 15- 6 21- 6 1- 6 2- 6 18- 6 31- 6 24- 6 23- 6 3- 6 4- 6 1981 1027.7 1025.2 1026.2 1022.8 1020.4 1016.7 1013.1 1012.7 1021.1 1027.0 1026.2 1027.3 1027.7 DAY-HOUR 9- 6 4- 6 6- 6 20- 6 2- 9 11- 6 30- 6 3- 3 27- 6 25- 6 27- 6 12- 6 1982 1027.3 1027.7 1023.9 1024.9 1021.3 1015.2 1010.8 1013.1 1020.5 1024.1 1030.7 1027.4 1030.7 DAY-HOUR 21- 6 20- 6 16- 6 4- 6 13- 6 5- 6 14- 6 31- 6 21- 6 25- 6 18- 6 9- 6 1983 1030.2 1025.6 1024.4 1020.8 1018.3 1018.7 1012.9 1010.6 1018.2 1027.1 1029.5 1030.1 1030.2 DAY-HOUR 8- 6 23- 6 26- 6 19- 6 8- 6 1- 6 11- 6 31- 6 30- 6 28- 6 5- 6 4- 6 1984 1028.2 1028.0 1024.8 1018.9 1015.9 1012.9 1010.1 1008.3 1018.4 1028.6 1028.0 1028.1 1028.6 DAY-HOUR 5- 6 20- 6 4- 6 2- 6 26- 6 4- 6 4- 3 24- 6 26- 6 9- 6 27- 6 20- 6 1985 1025.0 1021.4 1029.1 1018.3 1019.9 1011.3 1009.1 1016.7 1018.5 1023.0 1025.5 1026.3 1029.1 DAY-HOUR 25- 6 11- 9 6- 6 18- 6 12-18 2- 6 2- 6 30- 6 30- 6 26- 6 17- 6 31- 6 1986 1028.5 1023.2 1025.2 1021.8 1019.9 1013.8 1011.3 1015.0 1021.3 1025.5 1026.9 1025.0 1028.5 DAY-HOUR 24- 6 22- 6 28- 6 5- 6 20- 6 2- 6 3-18 31-18 23- 6 20- 9 16- 6 7- 6 1987 1026.2 1026.5 1020.5 1020.5 1020.9 1016.0 1013.7 1014.8 1020.6 1026.6 1032.3 1032.7 1032.7 DAY-HOUR 17- 6 12- 6 23- 6 22-18 1- 6 1- 6 29- 6 7- 6 26- 6 29- 6 30- 6 1- 6 1988 1031.7 1029.2 1020.2 1022.6 1016.5 1016.2 1008.9 1012.1 1018.1 1024.6 1025.6 1029.2 1031.7 DAY-HOUR 3- 6 7- 6 18- 6 3-18 5- 6 1- 6 31- 3 21- 6 24-18 17- 6 6- 6 29-18 1989 1026.5 1027.3 1021.1 1022.3 1018.9 1011.8 1010.7 1013.8 1022.6 1027.0 1025.6 1023.6 1027.3 DAY-HOUR 27- 6 26- 6 8- 6 9- 6 1-21 2- 6 20- 3 31- 6 24- 6 27- 6 26- 6 10- 6 1990 1027.9 1025.4 1028.0 1018.9 1017.3 1013.7 1010.3 1011.6 1017.0 1028.2 1028.2 1030.2 1030.2 DAY-HOUR 27- 6 8- 6 10- 6 3-21 16- 6 1- 6 15- 6 4- 6 26- 6 19- 6 23- 6 28- 6 1991 1028.3 1031.7 1022.6 1020.8 1016.9 1013.5 1010.2 1011.2 1021.6 1022.5 1026.5 1025.2 1031.7 DAY-HOUR 13- 6 15- 6 12-21 15- 6 9- 6 22- 6 1- 6 23- 6 28- 6 20- 6 13- 6 18- 6 1992 1031.8 1023.1 1028.1 1020.5 1019.6 1014.9 1010.8 1015.4 1018.9 1023.0 1026.9 1026.3 1031.8 DAY-HOUR 10- 6 16-18 13- 6 12- 6 29- 6 11- 6 6- 3 31-18 1- 6 30- 6 4- 6 11- 6 1993 1028.1 1025.3 1023.0 1022.6 1019.4 1016.0 1012.4 1014.7 1017.2 1027.2 1026.1 1028.5 1028.5 DAY-HOUR 6- 6 8- 6 17- 6 1- 6 10- 6 23- 6 27- 6 26- 6 23- 6 17- 6 30- 6 27- 6 1994 1028.7 1023.1 1023.0 1026.3 1017.8 1012.2 1009.0 1011.3 1023.9 1027.4 1025.2 1030.3 1030.3 DAY-HOUR 28- 6 4- 6 18- 6 5- 6 8- 6 9- 6 14- 6 16- 6 23- 6 10- 6 2- 6 8- 6 1995 1026.9 1022.3 1024.3 1020.9 1020.4 1016.8 1007.4 1011.3 1017.4 1026.2 1026.6 1026.9 1026.9 DAY-HOUR 7- 6 26- 6 3- 6 10- 6 26-18 1-12 28- 6 25- 6 22- 6 26-18 28- 6 11- 6 1996 1027.1 1022.8 1019.9 1023.1 1018.8 1012.1 1015.5 1015.1 1018.4 1024.6 1033.3 1029.3 1033.3 DAY-HOUR 27- 6 14- 6 1- 6 7- 6 3- 6 1- 3 4- 6 30- 6 25- 6 19- 6 19- 6 8- 6 1997 1026.9 1026.1 1025.6 1021.1 1022.1 1013.7 1007.4 1012.1 1019.0 1023.2 1028.0 1029.9 1029.9 DAY-HOUR 19- 6 7-18 11- 6 14- 6 7- 6 4- 6 9- 6 31- 6 20- 6 9- 6 8- 6 29- 6 1998 1025.9 1026.3 1021.8 1024.3 1020.8 1016.3 1011.4 1013.9 1019.4 1023.9 1026.3 1029.9 1029.9 DAY-HOUR 4- 6 23- 6 23- 6 12- 3 3- 6 6- 6 22- 6 25- 6 13- 6 26- 6 21- 6 10- 6 1999 1028.3 1024.8 1023.9 1019.9 1018.2 1015.4 1009.4 1015.0 1020.6 1021.3 1027.0 1030.7 1030.7 DAY-HOUR 2-18 12- 6 19- 6 1- 6 12- 6 1- 6 27- 6 19- 6 30- 6 27- 6 14- 6 6- 6 2000 1027.7 1026.4 1022.2 1019.8 1015.9 1013.3 1014.1 1014.0 1017.5 1023.9 1030.9 1028.3 1030.9 DAY-HOUR 31- 6 11- 6 4- 6 3- 6 6- 6 17- 6 20-21 23- 6 29- 6 16- 6 17- 6 17- 6 2001 1026.9 1025.9 1025.1 1021.3 1015.5 1013.9 1011.7 1015.7 1021.1 1023.5 1026.7 1029.0 1029.0 DAY-HOUR 30- 6 9-18 2- 6 4- 6 12- 6 2- 6 29- 6 14- 6 22- 6 11- 6 20- 6 18- 6 2002 1027.4 1027.3 1029.1 1022.9 1017.7 1013.8 1012.9 1012.5 1018.8 1022.1 1028.9 1028.0 1029.1 DAY-HOUR 26- 6 5- 6 11- 6 1- 6 10- 6 25- 6 31- 6 2- 6 21- 6 10- 6 18- 6 4- 6 2003 1027.4 1023.7 1029.7 1020.8 1021.9 1015.0 1009.3 1014.2 1021.1 1022.2 1030.9 1031.1 1031.1 DAY-HOUR 12- 6 7- 6 3- 6 7- 6 2- 6 1- 3 3- 6 4- 6 27- 6 16- 6 25- 6 12- 6 2004 1026.7 1026.9 1025.1 1021.1 1016.1 1015.8 1013.5 1013.8 1020.9 1025.6 1040.4 1046.0 1046.0 DAY-HOUR 1- 6 10- 6 23- 6 13- 6 27- 6 2- 6 18- 6 31- 6 27- 6 27- 6 29- 6 4- 6 2005 1039.5 1039.6 1034.2 1037.4 1030.9 1027.0 1022.3 1025.2 1028.2 1036.5 1038.6 1041.7 1041.7 DAY-HOUR 13- 6 15- 6 27- 6 9- 6 8- 6 6- 3 19- 6 27- 6 25- 6 24- 6 27- 6 28- 6 1956-2005 1039.5 1039.6 1034.2 1037.4 1030.9 1027.0 1022.3 1026.3 1031.3 1036.5 1040.4 1046.0 1046.0 YEAR-DAY 5-13 5-15 5-27 5- 9 5- 8 5- 6 5-19 57-31 57-10 5-24 4-29 4- 4 4- 4 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 48 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MIN. OF QNH PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 999.0 999.2 1004.0 1007.0 1011.0 1012.0 1013.2 ****** DAY-HOUR **-** **-** **-** **-** **-** 2-15 15-15 4-12 10-12 28-12 8-12 11-12 1957 1007.0 1006.1 1005.6 1007.7 1007.7 1001.5 998.0 1011.0 1011.1 1011.3 1011.3 1010.1 998.0 DAY-HOUR 12- 3 5-12 16-12 4-12 30-15 6-15 13-15 8-12 28-12 4-12 18- 9 7- 0 1958 1014.4 1014.9 1014.7 1013.1 1013.3 1004.4 994.9 1003.6 1006.9 1012.9 1013.1 1012.7 994.9 DAY-HOUR 22-21 5-12 9-21 30-21 1- 0 21-15 9-15 2-15 3-12 9-12 7-12 1-12 1959 1005.8 1003.3 1002.5 1009.1 1002.7 998.2 1000.2 998.9 1002.3 1007.7 1011.6 1013.2 998.2 DAY-HOUR 23-12 17-12 1- 0 19-15 24-12 28-15 2-12 3-12 24-18 30-12 26- 0 12-12 1960 1012.5 1010.6 1004.6 1000.8 1002.3 1000.3 998.5 1001.9 1004.1 1009.8 1010.7 1013.4 998.5 DAY-HOUR 27-12 29-12 9-12 28-21 31-12 21-12 1-12 12-12 2-12 11-12 20-12 30-12 1961 1012.1 1007.6 1005.1 1004.3 1000.0 999.2 999.6 1001.6 1003.6 1010.8 1012.7 1009.2 999.2 DAY-HOUR 27- 3 17-12 13- 9 8-15 30-12 7- 0 15-15 8-12 11-12 2-12 24-12 22-12 1962 1010.6 1010.6 1005.2 1002.9 1005.1 1000.9 1001.6 1003.7 1005.8 1010.2 1016.9 1012.2 1000.9 DAY-HOUR 27-12 18-12 29-12 5-15 25-15 10-15 13-15 2-15 17-12 9-12 3-12 25-12 1963 1013.4 1010.2 1003.6 1001.3 1002.2 999.1 1001.6 1002.6 1004.7 1012.5 1012.4 1008.4 999.1 DAY-HOUR 31-12 13-15 13-12 15-12 11-12 17-15 5-12 7-12 2- 6 2-12 25-12 11-12 1964 1001.5 1010.1 1007.1 1002.7 1004.3 997.1 998.9 997.9 1005.9 1010.2 1007.2 1014.0 997.1 DAY-HOUR 19-12 10-12 4-12 9-12 12-12 29-12 11-12 2-12 2-12 3-12 27-12 24-12 1965 1005.4 1006.7 1008.6 1003.3 1006.8 1000.5 1001.0 1005.9 1010.2 1008.0 1013.8 1011.8 1000.5 DAY-HOUR 11- 0 9-12 23-12 21-12 30-12 24-15 12-12 1- 0 22-12 25-12 9-12 20-12 1966 1014.7 1008.9 1001.5 1005.8 1008.0 999.9 1002.0 1002.1 1008.9 1010.7 1020.1 1010.3 999.9 DAY-HOUR 27-12 15- 0 20-12 14-15 26-15 27-15 17-15 5-15 13-12 15-15 30-12 12-12 1967 1012.2 1006.6 999.8 1004.8 1006.2 1002.9 997.9 1001.8 1006.2 1009.4 1014.7 1006.3 997.9 DAY-HOUR 21-12 6-12 24-15 26-15 18-18 19-15 10-15 4-15 7-12 3-12 27-12 23-12 1968 1008.0 1002.8 1006.0 1006.8 1008.4 999.6 1000.3 1003.6 1007.0 1011.9 1014.0 1010.9 999.6 DAY-HOUR 22-15 3- 9 19- 0 24-15 17-12 23-15 12-12 13-15 7-12 5-12 18-12 9- 9 1969 1006.3 1011.3 1008.1 1007.1 1006.1 1001.9 1001.1 1003.3 1007.1 1010.3 1012.7 1011.7 1001.1 DAY-HOUR 25- 6 14-12 21-12 17-12 29-15 22-15 22-15 8-12 11-12 28-12 9-12 14-12 1970 1009.3 1007.0 1011.1 1009.3 1005.1 1002.0 1000.2 1000.5 1005.0 1008.4 1014.4 1008.9 1000.2 DAY-HOUR 22-15 23-15 23-12 19-15 30-15 9-15 1-15 7-15 1-15 8-12 30-12 14-12 1971 1009.6 1004.9 1006.2 1007.1 1003.7 996.6 1001.6 1002.1 1006.3 1010.8 1013.0 1006.9 996.6 DAY-HOUR 14-12 14- 3 20-12 26- 3 29-15 5-15 23-15 9-12 2-15 1-12 11-12 20-12 1972 1009.0 1008.0 1005.7 1007.0 1004.1 998.8 999.3 999.9 1005.8 1014.8 1012.8 1011.4 998.8 DAY-HOUR 29-15 9-12 2-12 25-12 3-15 24-12 3-15 1-12 11-15 17-12 8-12 17-12 1973 1009.1 1006.2 1007.3 1005.4 1002.8 995.8 997.2 1003.1 1006.8 1012.8 1012.0 1008.4 995.8 DAY-HOUR 16-12 22-12 7-12 24-12 30-15 15-15 16-15 12-15 3-12 18-12 3-12 7-12 1974 1001.5 1009.9 1008.3 1004.1 1004.1 1001.5 998.8 1001.0 1003.7 1015.8 1012.5 1009.8 998.8 DAY-HOUR 25- 3 12-12 31-12 29-12 27-12 3-12 20-12 11-15 3-15 18-12 26-12 13-15 1975 1011.2 1006.8 1006.8 1005.0 1006.2 1002.2 1001.9 999.0 1005.0 1007.4 1005.0 1012.4 999.0 DAY-HOUR 5-12 6-12 19-12 24-15 25-12 30-12 17-12 14-15 10-12 3-15 29-12 31- 3 1976 1010.6 1006.8 1005.8 1008.9 1004.9 1001.9 998.6 1003.3 1006.3 1008.8 1005.0 1010.2 998.6 DAY-HOUR 30-12 5-12 11-15 5-12 7-15 6-15 19-12 1-12 18-12 18-12 29-12 31-12 1977 1009.3 1010.0 1008.2 1003.8 1004.4 998.7 996.2 1001.0 1009.9 1010.6 1006.9 1012.2 996.2 DAY-HOUR 17-12 25-15 30-12 7-15 25-15 23-15 2-12 18-12 3-12 5-12 17- 9 9-12 1978 1007.9 1009.6 1006.0 1005.7 1000.0 993.7 997.9 1002.5 1003.0 1010.8 1011.8 1009.7 993.7 DAY-HOUR 21-15 12-12 15-12 19-12 30-15 22-12 2-15 7-12 2-12 1-12 11-12 15- 9 1979 1009.4 1007.7 1005.2 1007.8 1006.3 1000.9 1001.2 1003.2 1008.4 1011.9 1009.0 1009.1 1000.9 DAY-HOUR 11-12 11-12 31-12 12-12 8-15 22-15 6-15 1-15 5-12 4-12 29-12 16-12 1980 1006.3 1006.2 1001.1 1008.1 1006.2 1000.2 1002.7 1001.3 1008.2 1011.6 1011.3 1010.3 1000.2 DAY-HOUR 24- 9 25- 9 2-12 26-12 29-12 17-12 3-15 11-15 19-12 26-12 25-12 10-12 1981 1006.0 1006.6 1005.9 1004.7 1003.9 1001.9 998.3 1003.2 1007.3 1011.7 1013.0 1010.4 998.3 DAY-HOUR 3-12 12- 9 13-12 29-12 12-15 16-15 2-12 14-15 22-12 17-12 23- 3 26-12 1982 1004.1 1005.8 1006.7 1003.7 1008.3 1002.2 996.6 997.5 1007.9 1010.7 1012.1 1008.7 996.6 DAY-HOUR 17-12 14-12 7-12 18-12 23-15 25-15 31-12 1-12 13-12 1-12 7-12 7-15 1983 1005.2 1006.6 1007.0 1007.1 1005.8 1001.0 999.6 1001.0 1003.9 1009.3 1015.4 1008.1 999.6 DAY-HOUR 24-15 28-12 7- 3 1-15 12-12 28-15 27-15 5-12 9-12 5-12 11-15 27-12 1984 1007.1 1007.8 1005.9 1005.0 1003.6 1000.1 1001.0 1001.3 1004.7 1010.8 1012.2 1010.7 1000.1 DAY-HOUR 17- 3 8-12 14- 0 26-12 29-15 7-15 15-15 8-15 1-12 18-12 15-21 7-12 1985 1011.8 1002.5 1005.8 1005.2 1004.3 1001.1 1000.8 1003.6 1006.0 1008.7 1013.5 1007.8 1000.8 DAY-HOUR 17-12 16-15 25-12 11-12 21-15 19-15 27-15 7-15 8-12 11-12 8- 0 19-12 1986 1004.6 1005.8 1004.7 1005.8 1005.1 998.0 1002.6 1004.2 1009.7 1012.4 1008.0 1004.7 998.0 DAY-HOUR 20-12 16-12 8-18 30-12 10-12 20-12 21-12 4-12 5-12 1- 0 7-12 20-18 1987 1007.3 1008.9 1003.3 1008.0 1007.0 1002.2 1000.0 1001.8 1006.4 1009.8 1012.4 1008.1 1000.0 DAY-HOUR 3- 0 10-18 14-12 4-15 28-12 11-15 3-15 29-12 2-12 9-12 7-21 31-12 1988 1005.3 1007.7 1000.3 1007.1 1005.7 999.1 997.8 1001.1 1004.0 1009.7 1010.9 1007.8 997.8 DAY-HOUR 19-12 25-12 24- 0 23-12 24-12 25-12 8-12 4-12 1-12 7-12 20-12 26-12 1989 1007.0 1006.9 1003.6 1007.1 1005.0 999.9 1002.5 1002.3 1003.8 1009.7 1014.7 1011.3 999.9 DAY-HOUR 12-12 23- 3 28-21 29-21 31-15 7-15 18-15 1-12 12-12 2-12 20-12 5-12 1990 1008.4 1005.0 1006.4 1003.6 1001.0 1000.3 997.1 1002.3 1005.3 1009.7 1011.1 1007.0 997.1 DAY-HOUR 2-12 24-12 25-12 16- 0 13-12 27-12 5-12 8-15 3-12 2-12 1-12 25-12 1991 1004.9 1010.3 1003.3 1006.0 1002.0 1000.1 997.1 1001.3 1006.1 1012.9 1012.0 1008.2 997.1 DAY-HOUR 26- 0 8- 0 7-12 10-12 28-15 12-12 14-15 12-15 3-12 5-12 6-12 26- 0 1992 1009.0 1006.0 1005.2 1004.0 1007.0 996.3 1001.3 1001.3 1008.6 1009.6 1009.0 1009.9 996.3 DAY-HOUR 25-12 11-12 31-12 19- 0 4-15 27-12 18-15 1-12 8-12 7-12 26-12 4-12 1993 1006.0 1008.0 1003.8 1004.9 1000.8 1002.1 1001.0 1003.2 1006.9 1010.2 1010.0 1010.8 1000.8 DAY-HOUR 14-12 23-12 22-12 13- 0 29-15 3-12 14-12 12-15 3-12 3-12 14-12 5- 0 1994 1008.3 1006.2 1008.1 1006.1 1007.1 997.5 998.2 999.1 1004.7 1011.8 1009.3 1007.0 997.5 DAY-HOUR 16-21 12-12 15-15 3-12 2- 0 29-12 21-15 3-15 1-12 3-12 26- 3 4-12 1995 1010.3 1007.1 1004.6 1007.2 1004.1 999.9 996.3 1000.5 1007.0 1010.6 1008.2 1012.8 996.3 DAY-HOUR 1-12 24-12 27-12 25-12 14-12 17-15 16-15 3-15 19-12 7-12 26- 0 25-12 1996 1011.4 1006.1 1005.6 1006.4 1006.1 1003.1 1003.0 1002.7 1001.6 1008.7 1012.9 1010.8 1001.6 DAY-HOUR 13- 0 5- 9 14-12 10-12 30- 0 5-21 25-12 7-12 20-12 6-12 29- 0 15-12 1997 1004.0 1007.6 1003.5 1006.3 1005.7 999.8 997.5 1002.3 1006.2 1012.2 1011.9 1008.7 997.5 DAY-HOUR 17-15 1- 0 30- 0 11-12 5-12 19-15 16-12 1- 0 2-12 23-12 13-12 10-12 1998 1001.3 1002.8 1005.9 1006.1 1002.3 1003.2 996.6 1004.1 1005.4 1008.9 1013.7 1013.4 996.6 DAY-HOUR 13-12 13-12 15-12 6-12 30-12 30-12 8-15 22-15 6-12 2-12 1-12 19- 0 1999 1007.9 1006.1 1005.8 1008.0 1002.1 997.9 1000.8 1002.5 1004.7 1011.2 1010.4 1012.3 997.9 DAY-HOUR 19- 0 6- 3 2-21 14-15 20-15 23-15 2-15 6-12 16-12 13-15 1-12 16- 0 2000 1007.1 1005.9 1005.4 1007.2 1002.0 999.3 1000.2 1002.8 1001.0 1010.1 1008.8 1010.0 999.3 DAY-HOUR 21- 0 7-18 2-15 29-12 27-12 25-15 9-15 31-12 2-15 2-12 6-12 15-12 2001 1011.2 1005.1 1003.0 1006.2 1000.0 999.7 996.9 1002.8 1005.1 1010.3 1011.0 1011.3 996.9 DAY-HOUR 18-12 21-12 26- 9 10-12 25-15 18-12 18-15 27-12 1-12 2-12 17-12 5-12 2002 1008.4 1010.2 1008.2 999.3 1003.3 997.6 1000.7 1001.6 1008.6 1013.0 1011.3 1007.2 997.6 DAY-HOUR 22-12 25-12 23- 0 4- 9 13-15 21-12 25-15 17-12 10-12 12-12 13-12 22-12 2003 1007.8 1004.2 1006.3 1006.8 1004.4 997.7 997.8 1001.2 1005.4 1010.8 1009.8 1012.1 997.7 DAY-HOUR 28-21 17-12 13-12 17-12 23-15 30-15 25-15 1-12 12-12 6- 0 14-12 6-12 2004 1004.7 1010.1 1005.0 1003.3 1001.5 999.0 1000.7 1001.6 1006.8 1013.9 1024.0 1022.9 999.0 DAY-HOUR 27-12 2-15 31-15 17-21 13-15 17-21 11-12 15-12 11-12 3-12 24-12 15-12 2005 1018.2 1019.8 1015.9 1017.0 1015.3 1008.2 1009.9 1014.2 1017.5 1023.1 1024.8 1024.3 1008.2 DAY-HOUR 23-12 5-12 24-12 30-15 6-12 27-15 4-15 7-15 5-12 4-12 9-12 26- 0 1956-2005 1001.3 1002.5 999.8 999.3 1000.0 993.7 994.9 997.5 1001.0 1007.4 1005.0 1004.7 993.7 YEAR-DAY 98-13 85-16 67-24 2- 4 61-30 78-22 58- 9 82- 1 0- 2 75- 3 75-29 86-20 78-22 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 49 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF QFF PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1001.1 997.8 1002.9 1005.4 ****** ****** ****** ****** 1957 1020.0 1019.5 1013.9 1011.9 1008.0 1002.7 1000.4 1012.5 1016.3 1013.8 1018.7 1019.5 1013.1 1958 1019.3 1018.3 1012.9 1010.0 1008.8 1000.5 996.3 1000.4 1004.6 1013.3 1023.0 1019.5 1010.6 1959 1020.5 1014.6 1012.8 1009.8 1005.2 1001.1 996.4 994.5 999.9 1010.5 1018.1 1024.3 1009.0 1960 1020.1 1016.3 1012.4 1010.0 1006.7 997.6 994.9 996.8 1005.0 1013.2 1018.4 1021.8 1009.4 1961 1020.4 1016.9 1011.1 1009.6 1003.1 999.6 994.2 998.5 1000.3 1013.2 1017.3 1017.8 1008.5 1962 1019.7 1014.5 1010.2 1007.4 1004.5 1000.9 997.6 1001.7 1007.3 1014.4 1021.6 ****** ****** 1963 ****** ****** ****** ****** ****** ****** 996.7 998.6 1005.9 1012.2 1016.8 1020.2 ****** 1964 1024.6 1015.7 ****** ****** ****** 998.0 995.1 995.7 1005.8 1015.8 1018.6 1025.3 ****** 1965 1017.4 1015.2 1013.5 1008.2 1005.3 999.6 996.4 1002.7 1008.1 1011.9 1018.0 1019.9 1009.7 1966 1019.4 1014.1 1011.6 1009.3 1006.1 998.3 996.8 1000.1 1005.7 1013.1 1023.0 1018.5 1009.7 1967 1021.4 1015.0 1010.0 1008.8 1006.0 999.9 994.2 998.3 1003.1 1015.4 1015.8 1019.2 1008.9 1968 1016.3 1018.1 1012.0 1010.3 1007.6 998.9 997.6 999.2 1006.3 1013.5 1018.9 1017.8 1009.7 1969 1019.2 1018.6 1010.7 1009.1 1004.5 1000.1 995.3 1001.4 1007.7 1012.0 1020.4 1019.2 1009.8 1970 1019.0 1015.6 1013.6 1009.9 1004.4 998.0 995.8 996.0 1004.3 1011.5 ****** 1019.4 ****** 1971 1021.3 1013.7 1013.3 1007.3 1002.1 994.3 996.3 997.4 1007.3 1013.0 1017.1 1016.2 1008.3 1972 1019.8 1020.6 1011.9 1008.5 1004.8 998.4 996.5 1002.1 1006.5 1013.7 1015.8 1021.3 1010.0 1973 1023.2 1014.5 1011.8 1007.0 1001.9 994.8 993.1 998.6 1004.5 1012.4 1017.0 1020.3 1008.3 1974 1018.8 1019.1 1012.8 1005.9 1003.2 997.5 995.2 997.6 1004.1 1015.6 1017.9 1019.5 1008.9 1975 1020.1 1015.0 1011.9 1010.3 1004.0 998.3 995.3 997.0 1004.4 1010.9 1018.3 1020.6 1008.8 1976 1016.2 1016.2 1012.8 1009.3 1003.8 999.4 993.2 998.3 1003.7 1010.0 1020.5 1020.9 1008.7 1977 1019.7 1019.0 1012.5 1006.9 1003.6 995.7 992.2 998.2 1006.6 1011.7 1015.7 1017.7 1008.3 1978 1019.5 1016.4 1012.0 1005.6 1002.4 996.2 996.0 997.7 1004.3 1013.1 1017.9 1017.1 1008.2 1979 1018.6 1013.5 1012.6 1008.3 1007.3 999.3 996.8 1000.4 1007.4 1012.0 1019.0 1018.3 1009.4 1980 1017.6 1015.1 1011.3 1006.9 1003.4 997.6 997.4 997.8 1005.3 1010.4 1016.2 1017.9 1008.1 1981 1018.4 1014.2 1009.7 1006.7 1004.0 998.9 996.0 999.5 1007.6 1015.0 1015.9 1017.9 1008.7 1982 1017.6 1015.0 1011.8 1008.3 1006.7 998.9 996.8 996.6 1007.0 1011.7 1016.8 1021.4 1009.1 1983 1019.5 1016.1 1013.5 1009.2 1003.4 999.1 995.9 996.2 1002.1 1012.9 1018.0 1020.5 1008.9 1984 1018.5 1020.5 1011.0 1007.0 1002.9 996.6 996.4 994.9 1005.3 1015.4 1015.6 1021.7 1008.8 1985 1017.3 1009.8 1013.5 1005.2 1003.4 996.0 993.7 1000.4 1004.1 1010.4 1015.9 1017.2 1007.2 1986 1018.1 1014.3 1012.0 1006.7 1003.9 994.8 997.3 1000.4 1007.1 1011.2 1014.4 1017.4 1008.1 1987 1016.9 1015.8 1007.7 1008.0 1005.0 999.3 998.0 997.6 1003.1 1013.7 1016.7 1017.9 1008.3 1988 1017.4 1015.0 1008.5 1007.3 1001.7 996.9 992.4 996.3 1002.6 1011.4 1015.5 1015.8 1006.7 1989 1018.2 1019.1 1009.4 1008.9 1004.7 996.9 996.3 998.7 1002.8 1010.6 1015.6 1016.0 1008.1 1990 1017.7 1013.1 1013.0 1005.5 1001.0 996.5 994.4 996.7 1002.1 1011.5 1016.1 1017.8 1007.1 1991 1017.8 1017.1 1011.1 1007.6 1001.0 997.4 994.2 996.9 1004.8 1012.5 1016.6 1015.9 1007.8 1992 1018.0 1012.7 1012.4 1007.2 1006.0 996.9 995.4 999.2 1005.9 1011.1 1015.7 1016.5 1008.1 1993 1019.3 1015.4 1012.8 1007.1 1003.5 997.6 996.5 1000.1 1003.6 1015.1 1015.6 1020.1 1008.9 1994 1017.6 1012.6 1011.0 1008.5 1003.6 994.5 992.2 995.2 1007.7 1013.8 1013.1 1019.4 1007.4 1995 1018.5 1014.6 1012.2 1007.6 1005.0 997.5 991.0 996.6 1003.6 1011.1 1014.6 1020.7 1007.8 1996 1020.0 1013.3 1009.7 1007.8 1005.0 997.6 997.5 998.1 1000.7 1010.6 1018.2 1019.3 1008.2 1997 1015.6 1014.7 1008.8 1007.0 1004.7 996.8 991.1 996.3 1003.5 1010.1 1015.7 1016.6 1006.7 1998 1015.0 1014.0 1010.0 1006.3 1003.2 999.7 993.8 998.2 1002.6 1010.0 1015.0 1017.8 1007.1 1999 1017.2 1013.6 1009.6 1006.3 1001.6 995.5 993.6 997.6 1001.3 1009.1 1013.7 1020.7 1006.7 2000 1015.3 1014.2 1010.4 1004.5 997.5 996.2 996.7 998.3 1001.1 1010.1 1017.0 1017.0 1006.5 2001 1018.5 1014.2 1010.0 1004.3 998.6 994.6 993.0 998.7 1003.1 1009.4 1014.4 1017.5 1006.4 2002 1016.9 1014.8 1010.7 1004.9 1000.5 996.0 996.0 995.8 1004.0 1009.9 1015.8 1016.6 1006.8 2003 1016.4 1010.3 1010.6 1006.5 1004.6 995.3 991.7 997.7 1002.8 1009.6 1016.3 1019.7 1006.8 2004 1013.7 1014.2 1011.0 1005.8 1000.6 996.0 996.5 996.4 1004.6 1012.9 1011.9 1015.5 1006.6 2005 1015.0 1011.9 1007.0 1006.4 1001.7 994.0 992.0 995.0 999.5 1008.5 1013.9 1016.0 1005.1 MEAN 1018.5 1015.3 1011.4 1007.7 1003.8 997.7 995.3 998.4 1004.6 1012.1 1016.9 1018.9 1008.4 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 50 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MAX. OF QFF PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1009.8 1009.9 1012.5 1014.4 ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** 9- 3 17-18 31- 3 30- 6 **-** **-** **-** 1957 1031.8 1032.8 1021.9 1021.5 1016.7 1009.5 1011.4 1024.5 1030.0 1022.3 1034.5 1031.6 1034.5 DAY-HOUR 4- 6 8- 6 3- 6 6- 6 16- 9 10- 3 30- 6 23-18 10- 6 21- 3 24- 6 30- 6 1958 1028.0 1025.2 1019.8 1019.1 1019.6 1008.3 1005.3 1009.9 1012.6 1020.4 1031.4 1026.9 1031.4 DAY-HOUR 2- 6 14- 3 1- 3 1- 3 13-18 3- 3 16- 3 15-12 30- 6 22- 6 24- 3 26-18 1959 1032.4 1025.0 1023.6 1018.5 1015.2 1009.5 1002.5 1014.4 1008.5 1020.4 1026.6 1035.6 1035.6 DAY-HOUR 3- 6 11- 6 9-18 9- 3 4- 6 7-18 8- 3 28- 9 25- 6 21- 6 22- 3 16- 6 1960 1029.4 1030.1 1026.6 1020.4 1018.5 1006.0 1002.4 1001.7 1011.9 1023.5 1028.8 1031.4 1031.4 DAY-HOUR 29- 6 2- 6 21- 3 8- 6 6- 6 3- 3 17- 3 15- 3 25- 3 30- 3 27- 6 5- 6 1961 1033.3 1028.9 1026.7 1019.4 1013.7 1011.5 1000.7 1009.7 1010.2 1024.4 1027.5 1030.1 1033.3 DAY-HOUR 10- 6 23- 6 4- 6 18- 9 2- 6 10- 6 24- 6 26- 9 30- 3 31-15 29- 3 4- 3 1962 1032.1 1027.9 1023.1 1017.9 1012.0 1009.3 1004.9 1008.7 1019.7 1022.5 1031.8 ****** ****** DAY-HOUR 20- 6 11- 3 4- 3 22- 6 17- 6 2- 3 31- 3 29- 6 29- 6 27- 3 28-15 **-** 1963 ****** ****** ****** ****** ****** ****** 1010.4 1003.0 1013.6 1018.7 1022.9 1032.1 ****** DAY-HOUR **-** **-** **-** **-** **-** **-** 20-12 24- 6 25- 6 12- 6 27- 6 28- 6 1964 1036.3 1029.8 ****** ****** ****** 1009.5 1008.2 1002.4 1017.0 1023.5 1031.1 1033.5 ****** DAY-HOUR 31- 3 1- 3 **-** **-** **-** 3- 3 15- 6 31- 6 29- 3 28- 3 30- 3 3- 3 1965 1027.6 1026.0 1024.4 1015.4 1014.4 1008.5 1001.5 1008.5 1014.0 1020.8 1030.2 1031.2 1031.2 DAY-HOUR 17- 3 26- 6 18- 3 11- 3 21-21 4- 6 10- 3 9- 6 30- 6 29- 6 15- 0 23- 6 1966 1028.1 1026.0 1025.8 1022.1 1014.0 1008.8 1007.2 1007.0 1011.2 1022.1 1030.3 1029.5 1030.3 DAY-HOUR 1- 6 26- 6 3- 6 6- 3 13- 6 2- 3 4- 0 17-18 5- 3 31- 6 26- 6 8- 3 1967 1033.4 1027.2 1027.2 1021.5 1018.1 1009.9 1002.0 1003.8 1010.6 1023.7 1020.9 1027.9 1033.4 DAY-HOUR 7- 6 20- 6 1- 6 4- 6 3- 6 16- 3 15- 6 29- 6 26- 6 28- 6 29- 6 28- 6 1968 1030.3 1031.6 1027.3 1019.3 1016.6 1011.6 1004.9 1009.2 1014.0 1023.2 1028.8 1029.8 1031.6 DAY-HOUR 20- 0 7- 6 27- 6 1- 6 1- 3 1- 6 14- 6 30- 6 21- 6 30- 6 24- 6 22- 6 1969 1031.7 1032.2 1021.8 1017.0 1014.4 1010.6 1001.8 1009.5 1020.1 1017.2 1031.0 1026.1 1032.2 DAY-HOUR 9- 6 3- 6 25- 6 15- 6 22- 6 3- 3 14- 3 31- 6 14- 6 15- 6 23- 6 11- 6 1970 1029.7 1025.7 1020.8 1019.2 1013.2 1004.6 1003.8 1002.3 1015.7 1022.3 ****** 1032.0 ****** DAY-HOUR 3- 3 2- 6 26- 6 27- 3 23- 6 16- 6 23- 6 14- 6 22- 3 27- 3 **-** 16- 6 1971 1032.0 1027.5 1021.1 1015.3 1009.4 1001.1 1003.2 1001.7 1014.9 1019.5 1026.4 1026.2 1032.0 DAY-HOUR 4- 6 3- 6 4- 3 21- 6 1- 3 9- 6 26- 3 21- 6 24- 6 22- 3 21- 6 12- 3 1972 1033.0 1033.3 1021.5 1025.4 1015.6 1008.7 1002.0 1009.6 1014.8 1022.5 1025.7 1037.2 1037.2 DAY-HOUR 5- 6 24- 6 4- 6 17- 6 24- 3 1- 3 26- 6 27- 3 23- 3 26- 3 24- 3 27- 6 1973 1036.6 1032.6 1029.7 1015.3 1012.3 1004.5 1000.1 1002.9 1015.3 1018.7 1028.0 1032.9 1036.6 DAY-HOUR 6- 3 7- 6 10- 6 14- 3 8- 3 3- 3 28- 6 31- 3 29- 3 21- 3 12- 3 26- 3 1974 1030.6 1030.7 1025.5 1015.4 1012.9 1003.3 1003.5 1001.4 1010.7 1024.6 1027.4 1029.8 1030.7 DAY-HOUR 5- 6 5- 6 8- 3 13- 6 2- 6 1- 6 29- 3 6- 6 30-15 15- 3 18- 3 31- 6 1975 1035.8 1025.8 1023.0 1023.8 1011.6 1004.1 1000.8 1006.3 1014.4 1023.4 1026.9 1031.2 1035.8 DAY-HOUR 15- 6 18- 3 5- 6 4- 6 20- 6 6- 3 29- 3 31- 6 19- 6 26- 6 21- 3 5- 3 1976 1026.4 1028.7 1025.1 1020.3 1009.6 1006.7 1000.3 1004.3 1008.9 1020.1 1029.7 1029.5 1029.7 DAY-HOUR 1- 6 21- 6 27- 6 4- 6 13- 3 21- 3 23- 3 28- 3 13- 3 31- 6 12- 3 13- 6 1977 1031.5 1028.6 1024.1 1013.4 1009.3 1005.6 996.8 1007.9 1012.7 1021.2 1026.5 1026.3 1031.5 DAY-HOUR 10- 6 15- 6 10- 6 18- 3 1- 3 1- 6 26- 6 17-15 30- 3 28- 6 28- 3 18- 3 1978 1029.9 1028.1 1021.9 1013.0 1013.1 1006.5 1005.6 1003.2 1012.3 1018.4 1031.6 1029.1 1031.6 DAY-HOUR 13- 6 6- 6 9- 3 6- 3 4- 3 5- 3 9- 3 31- 9 29- 6 24- 3 27- 3 25- 3 1979 1027.5 1023.6 1029.0 1018.8 1015.6 1009.7 1002.0 1010.5 1013.7 1019.8 1028.8 1032.4 1032.4 DAY-HOUR 18- 3 2- 6 5- 6 18- 6 11- 3 5- 6 22- 3 31- 6 30- 6 21- 6 25- 3 23- 3 1980 1027.2 1029.3 1022.7 1017.9 1010.8 1007.7 1004.0 1006.8 1013.3 1020.5 1026.2 1026.1 1029.3 DAY-HOUR 10- 6 3- 6 5- 3 21- 3 1- 3 2- 6 18- 3 31- 3 24- 3 31- 3 27- 6 21- 6 1981 1029.3 1026.7 1024.8 1020.5 1016.0 1009.4 1004.9 1005.1 1014.7 1024.9 1026.4 1026.4 1029.3 DAY-HOUR 9- 6 4- 6 6- 6 3- 3 2- 9 11- 6 30- 3 3- 3 27- 3 25- 3 26- 6 2- 3 1982 1030.8 1030.8 1022.6 1020.7 1015.2 1006.5 1008.1 1005.3 1013.3 1020.7 1031.7 1030.4 1031.7 DAY-HOUR 21- 6 20- 6 5- 6 4- 6 13- 3 1- 3 27- 3 31- 6 21- 6 26- 3 18- 6 9- 6 1983 1032.9 1026.7 1024.4 1015.6 1010.0 1010.4 1003.3 1001.1 1010.8 1033.0 1026.6 1030.7 1033.0 DAY-HOUR 11- 6 24- 6 19- 3 3- 3 8- 6 1- 6 12- 3 8- 9 30- 6 28- 3 27- 3 25- 6 1984 1029.8 1031.5 1022.2 1015.1 1010.5 1004.2 1000.9 999.4 1013.2 1026.8 1024.9 1031.3 1031.5 DAY-HOUR 5- 6 20- 6 4- 6 2- 3 4- 3 4- 6 4- 3 25- 3 30- 3 22- 3 27- 6 20- 6 1985 1024.0 1021.1 1030.7 1013.2 1014.3 1002.3 998.8 1008.4 1010.4 1017.7 1022.7 1027.4 1030.7 DAY-HOUR 4-18 24-21 12- 3 1- 6 12-21 2- 6 2- 9 30- 6 30- 3 26- 6 17- 6 31- 6 1986 1031.9 1022.1 1023.8 1015.1 1012.7 1004.3 1002.5 1007.1 1013.6 1019.8 1026.7 1028.2 1031.9 DAY-HOUR 25- 3 21- 6 17- 6 5- 3 20- 6 5- 6 23- 9 31-21 23- 6 20- 6 16- 3 7- 6 1987 1026.5 1026.1 1019.5 1016.4 1014.0 1011.2 1006.1 1004.8 1012.4 1024.1 1034.7 1036.0 1036.0 DAY-HOUR 13- 6 7- 6 22- 6 8- 6 1- 3 1-12 29- 0 7- 6 26- 3 29- 6 30- 6 1- 3 1988 1033.4 1032.4 1020.5 1020.0 1011.0 1007.0 999.5 1002.2 1010.8 1018.7 1024.8 1031.9 1033.4 DAY-HOUR 3- 6 7- 6 25- 6 3-21 2- 6 1- 6 29- 6 26- 6 24-18 17- 6 26- 6 30- 3 1989 1030.1 1031.1 1020.1 1019.2 1015.4 1001.6 1000.9 1004.8 1017.5 1022.0 1023.1 1023.8 1031.1 DAY-HOUR 31- 6 26- 6 31-18 1-15 2- 3 2- 6 20- 3 31- 6 24- 3 27- 6 26- 6 19- 6 1990 1030.6 1027.3 1025.9 1014.4 1009.3 1006.6 1000.8 1002.5 1009.5 1023.9 1025.7 1035.4 1035.4 DAY-HOUR 27- 6 1- 6 21- 6 12- 6 17- 6 1- 3 16- 0 16- 3 26- 3 19- 6 23- 6 28- 6 1991 1030.1 1035.2 1022.9 1017.4 1010.5 1005.0 999.7 1002.5 1017.0 1017.0 1024.8 1027.8 1035.2 DAY-HOUR 13- 6 15- 6 12-18 16- 9 9- 0 25- 6 1- 6 23- 3 28- 3 18- 6 29- 6 18- 6 1992 1035.0 1025.2 1029.9 1017.0 1014.5 1005.5 1001.0 1008.0 1012.3 1018.3 1023.2 1027.5 1035.0 DAY-HOUR 10- 6 16-21 13- 6 12- 6 3- 6 2- 6 16- 3 31-18 2- 3 30- 3 18- 6 11- 3 1993 1030.4 1026.1 1022.1 1018.3 1013.3 1007.2 1003.2 1006.0 1009.6 1023.8 1026.0 1029.4 1030.4 DAY-HOUR 6- 6 8- 6 23-18 1- 3 10- 6 23- 6 27- 6 26- 6 21-12 9- 6 30-18 7- 6 1994 1029.2 1023.1 1020.9 1024.6 1011.0 1005.0 999.8 1000.9 1018.5 1024.3 1020.1 1034.6 1034.6 DAY-HOUR 28- 6 20-21 18- 6 5-18 8- 3 12- 6 14- 6 16- 6 23- 6 10- 3 2- 6 8- 3 1995 1027.0 1024.3 1022.7 1016.1 1013.8 1012.3 997.7 1001.3 1010.3 1023.0 1027.8 1028.0 1028.0 DAY-HOUR 7- 6 26- 6 3- 6 10- 6 27- 3 1-12 28- 3 25- 6 23- 6 27- 3 28- 6 11- 6 1996 1030.6 1024.4 1018.8 1020.4 1013.6 1002.5 1007.3 1006.1 1009.6 1021.4 1033.3 1029.1 1033.3 DAY-HOUR 27- 6 14- 3 1- 6 7- 6 3- 6 1- 3 4- 6 31- 3 26- 6 21- 6 19- 6 8- 6 1997 1026.7 1026.8 1023.2 1017.7 1017.0 1005.8 995.1 1003.2 1010.4 1017.3 1024.9 1031.2 1031.2 DAY-HOUR 19- 6 8- 6 11- 6 14- 6 7- 3 1-15 9- 6 30- 3 18- 3 25- 6 30- 6 29- 6 1998 1024.8 1026.9 1019.2 1019.5 1013.6 1005.8 1001.3 1004.0 1010.4 1018.7 1022.0 1027.7 1027.7 DAY-HOUR 4- 6 23- 6 4- 6 12- 3 3- 6 6- 6 21- 6 25- 6 13- 6 26- 6 21- 6 10- 6 1999 1030.2 1022.8 1023.2 1015.5 1009.5 1005.2 999.6 1005.4 1014.0 1015.4 1024.1 1029.4 1030.2 DAY-HOUR 3- 6 7- 6 19- 6 12- 6 12- 6 1- 6 31- 3 20- 6 30- 3 27- 6 14- 6 6- 6 2000 1028.0 1026.9 1020.6 1013.7 1006.0 1004.0 1005.0 1004.5 1008.5 1018.7 1028.8 1028.0 1028.8 DAY-HOUR 31- 3 11- 6 4- 6 3- 3 6- 6 17- 3 20-21 23- 6 30- 6 5- 6 17- 6 17- 6 2001 1030.6 1025.2 1024.6 1014.9 1006.5 1003.2 1001.8 1006.9 1013.5 1018.4 1023.9 1027.1 1030.6 DAY-HOUR 29- 3 1- 3 12- 6 4- 6 1- 3 2- 6 30- 6 14- 6 22- 6 11- 6 21- 3 18- 3 2002 1028.0 1027.8 1027.0 1018.2 1008.4 1004.5 1003.7 1002.5 1011.1 1015.0 1025.9 1028.3 1028.3 DAY-HOUR 26- 6 5- 6 11- 6 1- 6 10- 6 25- 6 31- 6 1- 3 30- 6 27- 6 30- 6 5- 3 2003 1025.4 1022.3 1030.9 1014.9 1016.7 1004.8 996.7 1003.8 1012.6 1015.6 1030.4 1034.3 1034.3 DAY-HOUR 12- 6 7- 6 3- 6 19- 6 2- 6 1- 6 3- 6 5- 3 27- 6 16- 3 25- 6 13- 6 2004 1027.3 1025.2 1022.0 1014.0 1007.2 1006.4 1003.2 1004.4 1014.0 1019.7 1023.3 1030.1 1030.1 DAY-HOUR 1- 6 10- 6 23- 6 11- 9 7- 6 1- 9 18- 6 31- 6 27- 3 27- 6 29- 6 4- 6 2005 1026.9 1025.0 1015.8 1019.3 1009.7 1003.0 997.4 1001.0 1005.0 1016.7 1022.2 1027.1 1027.1 DAY-HOUR 13-18 17- 6 27- 6 9- 6 8- 6 6- 3 29- 6 27- 3 25- 6 27- 3 27- 6 30- 6 1956-2005 1036.6 1035.2 1030.9 1025.4 1019.6 1012.3 1011.4 1024.5 1030.0 1033.0 1034.7 1037.2 1037.2 YEAR-DAY 73- 6 91-15 3- 3 72-17 58-13 95- 1 57-30 57-23 57-10 83-28 87-30 72-27 72-27 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 51 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MIN. OF QFF PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 992.4 984.2 996.7 999.0 ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** 4-12 23- 0 4- 9 10-12 **-** **-** **-** 1957 1007.8 1005.7 1002.8 1002.7 998.7 993.8 990.3 1002.5 1003.9 1001.1 1007.9 1004.1 990.3 DAY-HOUR 12- 9 5- 9 7-12 25-12 30-12 6-15 13-18 14-21 28-12 11- 3 18- 9 7- 0 1958 1011.5 1012.1 1008.7 1004.7 1004.9 994.4 984.7 994.2 997.8 1006.3 1007.6 1008.5 984.7 DAY-HOUR 31- 9 23-12 23- 0 30-18 2-12 20-21 9-18 2-12 5-12 9-21 7-12 1-12 1959 1002.9 998.1 999.3 1002.9 995.1 988.2 989.8 987.8 991.4 1001.1 1007.4 1011.6 987.8 DAY-HOUR 23- 9 17-12 1- 0 18-21 31-12 28-21 3- 0 3-12 22-18 30-12 25-21 1- 9 1960 1009.8 1005.3 993.5 1001.6 992.4 990.5 987.3 991.4 994.3 1001.3 1005.6 1011.2 987.3 DAY-HOUR 27- 0 29-12 9-12 21- 0 31-12 30-12 1-12 12-12 2-12 8-12 19-21 29-12 1961 1009.9 1004.6 1000.4 999.7 990.0 988.2 988.3 991.7 993.6 996.9 1007.5 1002.9 988.2 DAY-HOUR 21-12 17-12 13- 9 9-12 30-12 7- 0 15-12 8-12 11- 9 21-21 24- 9 27-12 1962 1006.8 1004.5 998.9 995.5 996.1 991.0 991.8 995.2 997.6 1003.9 1012.0 ****** ****** DAY-HOUR 9-12 18-12 29-12 5-12 25-12 10-12 15-15 2-15 17-12 9-12 14-12 **-** 1963 ****** ****** ****** ****** ****** ****** 991.6 993.6 994.1 1005.3 1006.1 1002.7 ****** DAY-HOUR **-** **-** **-** **-** **-** **-** 5-12 7-12 8- 3 2-12 16- 6 11-15 1964 1000.1 1008.0 ****** ****** ****** 986.0 987.2 986.8 997.7 1002.7 1003.6 1010.5 ****** DAY-HOUR 19-12 10-12 **-** **-** **-** 29-12 10-12 1-15 2-12 4-12 26-12 25-12 1965 1004.2 1002.8 1003.8 998.8 998.3 990.9 991.1 996.5 1002.5 998.0 1008.1 1010.7 990.9 DAY-HOUR 11- 0 9-12 23-18 21-12 30-12 24-21 12-12 1- 0 22-12 19-12 9-21 20- 9 1966 1010.2 1004.0 993.9 999.0 998.1 983.8 991.7 991.8 995.1 1002.8 1017.7 1005.9 983.8 DAY-HOUR 27-12 15- 0 20-12 23-12 26-21 26-21 18-12 5-15 9-18 1-12 5-12 12-12 1967 1007.7 1004.0 995.5 999.2 995.9 983.8 984.8 991.4 996.3 1000.1 1010.5 1005.1 983.8 DAY-HOUR 21-12 6-12 23-12 26-15 18-18 19- 9 10- 9 4-18 7-12 22- 9 17- 0 24- 0 1968 1004.6 1000.4 999.1 999.9 999.3 990.1 988.7 992.1 998.9 1003.2 1008.9 1007.4 988.7 DAY-HOUR 16-12 3- 9 19- 0 24-21 17-12 23-12 12-12 14-12 7-15 5-12 18-12 9-12 1969 1002.0 1008.6 1000.2 1001.1 996.9 991.8 990.3 992.9 997.2 1002.8 1007.3 1006.4 990.3 DAY-HOUR 25- 6 21-12 24- 0 17-12 28-12 23-12 22-15 8-12 11-12 29-12 9-12 14-12 1970 1006.9 1004.5 1004.6 1000.9 995.2 991.8 989.2 989.1 994.5 999.5 ****** 1003.6 ****** DAY-HOUR 22-12 23-15 23-12 20- 3 30-12 9-12 1-12 7-12 3- 9 8-12 **-** 14-12 1971 1005.8 1000.6 999.4 999.3 993.6 986.0 992.3 992.0 997.0 1004.0 1008.7 1002.5 986.0 DAY-HOUR 14-12 14- 3 20-12 26- 3 29-15 5-12 16-12 9-12 2-12 1-12 5-12 20-12 1972 1006.6 1004.8 1001.4 999.9 996.6 987.2 988.5 989.6 996.3 1008.3 1006.7 1008.3 987.2 DAY-HOUR 23-12 9-12 18- 9 25-12 3-15 24-12 5-12 1-12 11-12 17-12 8-12 17-12 1973 1004.8 1000.2 1001.2 997.3 993.0 980.8 985.3 993.2 995.1 1005.1 1005.7 1004.9 980.8 DAY-HOUR 16-12 23-12 7-12 24-12 30-12 15- 3 16-12 4-12 10- 9 11-12 3-12 7-12 1974 1000.5 1007.2 1001.4 996.3 995.1 990.9 988.1 989.8 994.0 1011.0 1009.0 1006.2 988.1 DAY-HOUR 25- 3 19-12 24-12 29-12 28-12 3-12 20-12 11-12 3-12 27-12 24-12 6-12 1975 1006.3 1003.2 1000.9 998.1 996.5 992.4 992.0 988.9 996.0 999.6 1000.0 1007.9 988.9 DAY-HOUR 5-12 11-12 19-12 15-12 25-12 30-12 5-12 14-15 10-12 3-12 29-12 23-12 1976 1007.3 1001.3 999.0 1001.8 996.6 992.5 987.3 993.3 995.7 1001.1 1000.3 1007.1 987.3 DAY-HOUR 24-12 11-12 11-15 18-12 7-15 6-12 19-12 1-12 13-15 18-12 29-12 31-12 1977 1007.9 1005.7 1002.0 998.5 995.6 987.0 984.6 990.2 1001.1 1002.4 1004.3 1008.3 984.6 DAY-HOUR 21-12 25-12 30-12 7-15 25-12 23-12 2-12 18-12 3-12 5-12 17- 9 9-12 1978 1004.1 1006.4 1000.3 998.3 990.3 982.1 986.4 992.3 993.6 1003.1 1006.7 1003.9 982.1 DAY-HOUR 21-12 12- 9 15-12 19-12 30-12 22-12 2-12 7-12 2-12 1-12 1-12 17- 9 1979 1006.4 1003.6 1000.5 1000.1 999.0 989.7 990.7 993.1 1000.7 999.8 1005.9 1004.9 989.7 DAY-HOUR 7-12 11-12 28-12 11-12 8-12 22-15 6-15 1-12 5-12 1-15 29-12 16-12 1980 1001.4 1001.1 996.9 999.4 995.1 989.1 993.2 989.9 998.7 1002.7 1005.7 1004.4 989.1 DAY-HOUR 24- 9 25- 9 2-12 17-12 16-12 17-12 8-12 11-12 20-12 5-12 25-12 10- 9 1981 1004.4 1004.3 999.7 997.1 994.6 991.4 987.4 992.9 998.3 1005.2 1007.9 1009.2 987.4 DAY-HOUR 3-12 12- 9 31-12 29-12 16-12 26-12 2-12 14-12 22-12 17-12 5- 9 26- 9 1982 1001.5 1003.1 1002.5 996.0 1000.0 991.7 985.0 985.8 999.0 1003.0 1006.8 1007.9 985.0 DAY-HOUR 17-12 14-12 25-12 18-12 23-12 25-12 31-12 1-12 14-12 1-12 12-15 7-15 1983 1004.4 1002.8 1002.8 1000.8 996.5 989.9 988.7 989.7 993.1 1000.5 1009.7 1004.8 988.7 DAY-HOUR 24-15 28-12 7- 3 23-12 12-15 29-12 27-12 5-12 9-12 5-12 12-12 12- 9 1984 1004.1 1005.7 998.8 997.1 993.8 990.3 990.3 991.0 995.4 1003.1 1006.9 1008.2 990.3 DAY-HOUR 29-12 8-12 14-21 26-12 30-12 7-12 15-15 8-12 1-12 18-12 16- 0 7-12 1985 1007.8 996.2 997.6 996.7 994.7 990.4 989.4 993.2 994.6 1000.5 1008.5 1002.8 989.4 DAY-HOUR 17-21 16-21 25-12 24-12 21-21 19-12 28-12 7-12 8-12 11-12 8- 0 19-12 1986 1001.2 1003.0 999.5 998.2 996.1 986.2 991.8 994.0 1001.6 1004.2 1002.9 1000.8 986.2 DAY-HOUR 20-12 16-12 8-18 30-12 10-12 20-12 19-21 4-21 30-12 1- 0 7-12 20-18 1987 1005.5 1003.5 997.7 999.0 997.1 991.7 988.7 991.2 995.9 1001.2 1005.4 1004.0 988.7 DAY-HOUR 3- 9 10-21 12-12 19-21 28-12 11-15 3-21 29-12 2-12 9- 9 7-21 13-21 1988 1001.8 1003.5 995.3 999.0 995.6 987.5 986.0 991.0 993.8 1003.0 1005.5 1004.2 986.0 DAY-HOUR 19-12 25-12 24- 0 23-12 24-12 25-12 18-12 4-15 1-12 7-12 20-12 26-12 1989 1006.0 1001.9 997.5 1000.2 994.5 988.6 991.6 993.0 993.6 1000.8 1008.5 1005.9 988.6 DAY-HOUR 17-21 23- 3 28-21 29-21 31-18 7-21 18-15 1-12 12-12 2-12 20-12 5-12 1990 1006.5 1000.8 1000.6 993.8 991.5 989.9 985.8 991.2 995.0 1001.0 1006.1 1003.5 985.8 DAY-HOUR 2-12 16- 0 25-12 16- 0 13-12 27-12 5-15 8-12 3-12 2-12 1- 0 25-18 1991 1001.5 1006.0 998.0 998.5 992.6 989.5 986.2 991.0 996.3 1006.0 1006.3 1004.6 986.2 DAY-HOUR 26- 0 4- 9 7-12 11-12 29-12 12-12 14-12 12-12 3-12 5-12 6-12 26- 0 1992 1006.2 1002.8 999.6 997.0 999.2 984.4 990.9 990.7 1000.0 1003.1 1003.3 1004.8 984.4 DAY-HOUR 31- 3 11-12 31-12 19- 0 20-15 27-12 24-15 1-12 18-12 7-12 26-12 4-12 1993 1002.8 1004.3 998.0 998.2 990.3 992.1 990.1 993.0 997.9 1001.7 1003.0 1007.6 990.1 DAY-HOUR 9-12 23-12 22-12 13-12 29-15 20-21 14-12 12-12 3-12 3-12 14-12 5- 0 1994 1004.6 1002.1 1002.6 999.6 997.0 985.7 987.2 987.6 994.6 1004.3 1002.5 1001.7 985.7 DAY-HOUR 5-12 12-12 12-12 3-12 27-12 29-12 20-12 3-12 1- 0 3-12 26- 0 4-12 1995 1008.2 1003.0 997.9 1001.1 995.0 987.8 984.7 990.4 998.1 1002.0 1003.1 1011.3 984.7 DAY-HOUR 1-12 24-12 27-12 15-15 14-12 17-12 16-15 3-15 19-12 7-12 26- 0 4-12 1996 1009.0 1003.2 1001.5 999.5 997.1 990.8 993.0 990.8 991.1 1000.9 1008.2 1007.1 990.8 DAY-HOUR 7- 0 5- 6 14-12 11- 0 29-21 5-21 28-12 7-12 20-12 6-12 29- 0 15-12 1997 1000.6 1003.1 997.6 998.2 997.8 988.3 985.6 991.3 995.6 1002.4 1006.3 1004.2 985.6 DAY-HOUR 17-15 28- 0 30- 0 11-12 5-12 19-12 16-12 1- 0 3-12 1- 0 13-12 10-21 1998 1000.7 999.8 1000.5 997.8 991.2 991.6 983.2 993.4 994.3 998.5 1006.1 1006.8 983.2 DAY-HOUR 13-12 13-12 15-12 6-12 30-12 30-15 9- 0 23- 0 6-12 2-12 1-12 19- 0 1999 1003.8 1001.3 1000.3 999.4 991.4 986.0 988.2 991.2 994.7 1003.6 1002.8 1009.3 986.0 DAY-HOUR 18- 9 6-12 2-21 9- 0 20-21 23-15 10-12 6-12 16-12 13-15 1-12 16- 0 2000 1003.0 1001.8 1001.7 996.9 990.0 987.6 988.6 992.5 990.4 1000.4 1003.0 1007.0 987.6 DAY-HOUR 21- 0 7-18 13-21 22-12 27-12 25-15 9-15 3-21 2-15 2-15 6-12 15-12 2001 1008.8 999.1 996.3 996.5 989.6 988.0 985.6 991.4 993.3 1001.2 1005.2 1006.8 985.6 DAY-HOUR 18-12 21-12 26-12 29-12 25-15 10-15 12- 0 27-12 1-12 2-12 1- 0 5-21 2002 1005.6 1005.0 1001.4 992.1 993.1 985.4 988.7 989.5 998.4 1004.9 1005.4 1002.8 985.4 DAY-HOUR 8-15 26-12 21-12 4- 3 13-12 20-21 25-15 17-21 1- 0 12-12 13-12 22-12 2003 1003.1 1001.0 999.4 998.5 994.4 985.3 985.7 988.4 994.5 1001.0 1003.1 1006.5 985.3 DAY-HOUR 28-21 17-12 13-12 17-12 23-15 30-21 25-12 1-12 12-12 6- 0 1-12 6-12 2004 1000.2 1003.2 997.2 993.7 990.6 986.6 989.9 989.4 996.8 1006.4 1001.9 1001.4 986.6 DAY-HOUR 27-12 16- 0 31-15 17-21 13-12 17-21 11-12 15-12 11-12 3-12 24-12 16-12 2005 1000.3 1000.2 994.0 993.6 992.4 981.6 983.7 989.0 993.1 999.7 1003.6 1004.1 981.6 DAY-HOUR 23-12 5-12 24-12 30- 0 6-12 28- 0 4-15 8- 0 5-12 4-12 9- 0 26- 0 1956-2005 1000.1 996.2 993.5 992.1 989.6 980.8 983.2 985.8 990.4 996.9 1000.0 1000.8 980.8 YEAR-DAY 64-19 85-16 60- 9 2- 4 1-25 73-15 98- 9 82- 1 0- 2 61-21 75-29 86-20 73-15 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 52 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF COMPUTED QFF PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 995.3 994.7 1001.0 1003.5 ****** ****** ****** ****** 1957 ****** ****** ****** ****** ****** 1000.2 998.2 1009.7 1014.2 1012.6 1017.5 1018.2 ****** 1958 1018.1 1017.3 1011.7 1008.7 1007.6 999.1 995.1 999.2 1003.4 1012.2 1021.8 1018.3 1009.4 1959 1019.4 1013.5 1011.7 1008.6 1003.8 999.6 995.2 993.2 999.0 1009.4 1017.0 1023.4 1007.8 1960 1019.1 1015.2 1011.7 1008.9 1005.5 996.3 993.8 996.0 1004.4 1012.4 1017.5 1021.0 1008.5 1961 1019.5 1016.1 1010.5 1008.9 1002.3 998.8 993.4 997.7 999.6 1012.5 1016.6 1017.2 1007.7 1962 1019.0 1013.9 1009.7 1006.7 1004.1 ****** ****** ****** ****** ****** ****** ****** ****** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 1016.2 1014.1 1012.3 1007.0 1003.8 998.0 994.7 1001.0 1006.8 1010.8 1016.9 1019.5 1008.4 1966 1019.1 1013.8 1011.2 1008.7 1005.4 997.6 996.1 999.4 1005.0 1012.4 1022.6 1018.1 1009.1 1967 1021.0 1014.6 1009.6 1008.2 1005.2 999.2 993.2 997.6 1001.9 1016.0 1015.2 1018.8 1008.4 1968 1015.9 1017.6 1011.5 1009.7 1006.8 997.9 996.9 998.4 1005.6 1012.8 1018.2 1017.3 1009.1 1969 1018.8 1018.1 1010.2 1008.6 1003.2 ****** ****** ****** ****** ****** ****** ****** ****** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1020.2 ****** 1984 1017.5 1019.5 1010.3 1006.1 1002.0 995.6 995.4 993.7 1004.3 1014.7 1014.8 1020.7 1007.9 1985 1016.3 1009.2 1012.6 1004.5 1002.5 995.1 992.4 999.5 1003.5 1009.6 1015.3 1016.3 1006.4 1986 1017.3 1013.5 1011.2 1005.8 1002.9 993.8 996.4 999.5 1006.2 1010.4 1013.7 1016.4 1007.3 1987 1016.1 1015.1 1007.0 1006.9 1003.8 998.4 997.0 996.6 1002.0 1012.9 1015.9 1017.1 1007.4 1988 1016.4 1014.1 1007.8 1006.5 1000.6 995.8 991.3 995.3 1001.5 1010.6 1014.9 1015.1 1005.8 1989 1017.2 1018.2 1008.7 1008.1 1003.8 996.1 995.3 997.9 1002.0 1009.9 1014.9 1015.1 1007.3 1990 1016.7 1012.3 1012.4 1004.8 1000.1 995.6 993.4 995.7 1001.3 1010.7 1015.4 1017.0 1006.3 1991 1016.8 1016.2 1010.3 1006.9 1000.2 996.6 993.2 995.9 1004.0 1011.7 1015.9 1015.0 1006.9 1992 1017.0 1011.9 1011.7 1006.5 1005.0 995.8 994.5 998.3 1005.0 1010.4 1015.1 1015.6 1007.2 1993 1018.3 1014.6 1012.2 1006.3 1002.6 996.6 995.6 999.3 1002.7 1014.4 1014.9 1019.2 1008.0 1994 1016.7 1011.9 1010.3 1007.7 1002.7 993.4 991.1 994.1 1006.8 1012.8 1012.4 1018.6 1006.5 1995 1017.6 1013.9 1011.6 1006.9 1004.2 996.5 990.0 995.8 1003.0 1010.4 1014.1 1019.7 1007.0 1996 1019.0 1012.6 1009.0 1007.1 1004.1 996.7 996.7 998.1 1000.6 1010.5 1018.2 1019.3 1007.6 1997 1015.6 1014.6 1008.8 1006.9 1004.5 996.7 991.2 996.2 1003.3 1010.0 1015.6 1016.4 1006.6 1998 1014.8 1013.9 1009.9 1006.2 1003.0 999.6 993.7 998.0 1002.5 1009.8 1014.9 1017.8 1007.0 1999 1017.2 1013.4 1009.5 1006.2 1001.5 995.3 993.5 997.6 1001.2 1009.0 1013.7 1020.6 1006.5 2000 1015.2 1014.2 1010.3 1004.4 997.3 996.1 996.5 998.1 1000.9 1009.8 1016.7 1016.8 1006.4 2001 1018.4 1014.0 1009.8 1004.0 998.3 994.2 992.7 998.4 1002.9 1009.1 1014.2 1017.1 1006.1 2002 1016.7 1014.5 1010.5 1004.6 1000.2 995.8 995.9 995.6 1003.8 1009.6 1015.7 1016.5 1006.6 2003 1016.4 1010.3 1010.5 1006.5 1004.5 995.2 991.6 997.7 1002.7 1009.6 1016.3 1019.8 1006.8 2004 1013.7 1014.1 1010.7 1005.7 1000.5 995.9 996.4 996.3 1004.5 1012.9 1026.5 1030.7 1009.0 2005 1030.1 1027.0 1021.6 1020.7 1015.8 1007.8 1005.6 1008.7 1013.4 1022.7 1028.7 1031.0 1019.4 MEAN 1017.7 1014.8 1010.8 1007.3 1003.4 997.0 994.7 998.1 1003.8 1011.7 1016.8 1018.9 1007.9 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 53 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MAX. OF COMPUTED QFF PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1002.6 1001.6 1011.1 1012.6 ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** 8- 3 17-18 31- 3 30- 3 **-** **-** **-** 1957 ****** ****** ****** ****** ****** 1006.6 1008.4 1018.1 1023.8 1020.7 1032.9 1029.8 ****** DAY-HOUR **-** **-** **-** **-** **-** 9- 3 30- 6 25- 3 10- 6 21- 3 24- 6 23- 6 1958 1026.7 1023.7 1018.4 1017.6 1018.1 1007.1 1004.2 1004.4 1012.0 1019.0 1029.9 1025.8 1029.9 DAY-HOUR 2- 6 14- 3 1- 3 1- 3 13-18 3- 3 16- 3 27- 6 30- 3 23- 3 24- 3 27- 3 1959 1032.0 1023.6 1021.9 1016.7 1013.8 1005.6 1004.3 998.4 1007.4 1019.3 1025.4 1036.0 1036.0 DAY-HOUR 3- 6 3- 6 9-18 9- 3 5- 3 4- 3 20- 3 28- 3 27- 3 21- 3 22- 3 16- 3 1960 1028.4 1028.5 1025.9 1019.5 1017.3 1004.9 1001.4 1000.3 1012.0 1022.6 1027.8 1030.3 1030.3 DAY-HOUR 29- 6 2- 3 21- 0 8- 6 6- 6 3- 3 29- 6 19- 3 6- 0 31- 3 27- 6 6- 3 1961 1032.3 1027.8 1025.9 1018.1 1012.7 1010.2 999.6 1004.8 1009.7 1024.9 1026.5 1029.5 1032.3 DAY-HOUR 10- 6 23- 6 4- 6 18- 6 2- 3 10- 3 25- 6 10- 6 30- 3 31- 3 29- 3 4- 3 1962 1031.3 1027.3 1022.7 1016.6 1010.8 ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR 19- 6 11- 3 4- 3 19- 6 17- 6 **-** **-** **-** **-** **-** **-** **-** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1965 1026.4 1024.7 1023.1 1014.3 1013.1 1006.9 1000.0 1006.6 1012.7 1019.5 1024.8 1029.6 1029.6 DAY-HOUR 17- 3 26- 6 17- 6 11- 3 21-21 4- 3 20- 3 9- 6 30- 6 29- 6 25- 6 23- 6 1966 1027.5 1025.5 1025.4 1021.7 1013.4 1008.1 1001.4 1006.6 1010.9 1021.5 1029.8 1028.7 1029.8 DAY-HOUR 1- 6 26- 6 3- 6 6- 3 13- 6 2- 3 4- 3 17-18 5- 3 31- 6 28- 6 8- 6 1967 1032.9 1026.6 1026.7 1021.0 1017.4 1009.2 1000.8 1002.7 1009.0 1023.4 1020.4 1027.8 1032.9 DAY-HOUR 7- 6 21- 6 1- 6 4- 6 3- 6 16- 3 15- 6 27- 6 26- 3 27- 3 29- 6 27- 6 1968 1029.7 1031.2 1027.0 1017.8 1016.1 1010.6 1004.4 1009.1 1013.0 1022.0 1028.1 1028.8 1031.2 DAY-HOUR 20- 3 7- 6 27- 6 8- 6 1- 3 1- 3 16- 3 28- 6 21- 6 30- 6 24- 6 24- 6 1969 1031.2 1031.7 1021.3 1016.6 1013.6 ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR 9- 6 3- 6 25- 6 15- 6 22- 6 **-** **-** **-** **-** **-** **-** **-** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1029.6 ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 25- 6 1984 1028.6 1030.6 1021.6 1014.2 1009.0 1003.1 1000.0 998.2 1012.7 1025.8 1024.3 1030.3 1030.6 DAY-HOUR 5- 6 20- 6 4- 6 2- 3 3- 6 4- 6 23- 3 29- 3 30- 3 22- 3 27- 6 20- 6 1985 1022.8 1019.7 1029.2 1012.3 1012.3 1001.5 997.7 1007.6 1009.6 1016.8 1021.8 1026.2 1029.2 DAY-HOUR 25- 6 8- 6 12- 3 18- 6 12-18 2- 6 15- 3 30- 6 30- 3 26- 6 17- 6 31- 6 1986 1030.1 1021.1 1022.6 1014.0 1011.9 1003.7 1001.3 1005.9 1012.5 1019.2 1025.3 1026.8 1030.1 DAY-HOUR 25- 3 22- 6 17- 6 5- 3 20- 6 5- 3 23- 6 31-21 23- 6 20- 9 16- 6 7- 6 1987 1025.3 1024.2 1018.1 1015.7 1012.7 1009.8 1004.8 1003.4 1011.3 1023.3 1033.4 1034.6 1034.6 DAY-HOUR 17- 6 12- 6 23- 6 8- 6 1- 6 1-12 29- 0 7- 6 26- 3 29- 6 30- 6 1- 3 1988 1032.3 1030.9 1019.4 1019.6 1008.2 1006.0 998.3 1001.3 1010.1 1017.5 1023.8 1030.8 1032.3 DAY-HOUR 3- 6 7- 6 25- 6 3-21 2- 6 1- 3 29- 6 27- 3 30- 3 17- 6 26- 6 30- 3 1989 1029.0 1030.1 1019.2 1017.3 1014.9 1000.8 999.9 1004.0 1016.8 1021.1 1022.4 1022.8 1030.1 DAY-HOUR 31- 6 26- 6 31-18 9- 6 2- 3 16- 3 20- 3 31- 6 24- 3 27- 6 26- 6 19- 6 1990 1029.5 1026.0 1024.7 1013.7 1008.7 1005.5 999.3 1001.4 1008.8 1023.3 1025.1 1034.2 1034.2 DAY-HOUR 27- 6 1- 6 21- 6 12- 6 16- 6 1- 3 16- 3 16- 3 26- 3 19- 6 23- 6 28- 6 1991 1028.8 1034.2 1021.0 1016.4 1009.6 1004.1 998.8 1001.5 1016.2 1016.2 1023.9 1025.9 1034.2 DAY-HOUR 13- 6 15- 6 18- 6 15- 3 9- 3 25- 6 2- 3 23- 3 28- 3 28- 3 29- 6 18- 3 1992 1033.8 1024.2 1028.6 1016.2 1013.6 1004.1 1000.1 1007.1 1011.6 1017.4 1022.4 1026.3 1033.8 DAY-HOUR 10- 6 16-21 13- 6 12- 6 3- 6 2- 6 16- 3 31-18 2- 3 30- 3 18- 6 11- 3 1993 1028.9 1024.9 1021.6 1017.8 1012.5 1006.2 1002.2 1005.1 1008.6 1023.2 1025.0 1028.2 1028.9 DAY-HOUR 6- 6 8- 6 23-18 1- 3 10- 6 23- 6 27- 6 26- 3 23- 3 9- 6 30-18 7- 6 1994 1028.3 1022.0 1020.2 1024.0 1010.1 1001.8 998.9 999.7 1017.8 1023.3 1019.2 1033.6 1033.6 DAY-HOUR 28- 6 20-18 18- 6 5-18 8- 3 9- 6 14- 6 16- 6 23- 6 10- 3 2- 6 8- 3 1995 1025.8 1023.2 1021.9 1015.1 1012.9 1011.1 996.9 1000.4 1010.2 1022.1 1027.1 1026.7 1027.1 DAY-HOUR 7- 6 26- 6 3- 6 10- 6 27- 3 1-12 28- 3 11- 6 22- 6 27- 3 28- 6 11- 6 1996 1027.8 1023.2 1017.6 1020.0 1012.0 1001.5 1004.8 1006.0 1009.6 1020.7 1033.2 1028.9 1033.2 DAY-HOUR 27- 6 14- 3 1- 6 7- 6 3- 6 1- 3 4- 6 31- 3 26- 6 21- 6 19- 6 8- 6 1997 1026.6 1027.6 1023.2 1017.4 1016.3 1004.9 995.0 1002.9 1010.3 1017.1 1024.8 1031.1 1031.1 DAY-HOUR 19- 6 8- 3 1- 6 14- 6 7- 6 1-15 9- 6 30- 3 19- 6 25- 6 30- 3 29- 6 1998 1024.7 1026.8 1019.1 1019.3 1013.6 1005.5 1001.2 1003.4 1009.7 1018.1 1021.5 1027.5 1027.5 DAY-HOUR 22-15 23- 6 4- 6 12- 3 3- 6 6- 6 21- 6 30- 3 13- 6 26- 6 21- 6 10- 6 1999 1030.2 1022.9 1022.4 1015.2 1009.3 1005.0 999.5 1004.6 1013.4 1015.1 1024.2 1029.2 1030.2 DAY-HOUR 3- 6 7- 6 19- 6 11- 6 12- 6 1- 6 31- 3 19- 3 30- 3 27- 6 30-18 6- 6 2000 1028.0 1026.9 1020.7 1013.6 1005.9 1004.1 1005.3 1004.5 1008.2 1017.1 1028.8 1027.6 1028.8 DAY-HOUR 31- 3 11- 6 4- 6 3- 3 6- 3 17- 3 20-21 23- 6 29- 6 16- 6 17- 6 17- 6 2001 1030.7 1024.8 1024.1 1014.5 1005.9 1002.9 1001.3 1006.4 1013.2 1018.0 1023.5 1026.5 1030.7 DAY-HOUR 29- 6 1- 6 12- 6 4- 6 1- 3 2- 6 30- 6 14- 6 22- 6 11- 6 21- 3 18- 3 2002 1027.9 1027.6 1026.6 1017.5 1007.8 1003.6 1003.3 1002.5 1010.7 1014.5 1025.8 1028.3 1028.3 DAY-HOUR 26- 6 5- 6 11- 6 1- 6 10- 6 25- 9 31- 6 2- 3 30- 3 26- 3 30- 6 5- 3 2003 1025.4 1022.3 1030.8 1014.9 1016.7 1005.5 996.7 1003.8 1012.6 1015.6 1030.4 1034.3 1034.3 DAY-HOUR 12- 6 7- 6 3- 6 19- 6 2- 6 1- 3 3- 6 5- 3 27- 6 16- 3 25- 6 13- 6 2004 1027.0 1025.5 1021.9 1014.4 1007.1 1005.9 1003.1 1004.4 1014.0 1019.5 1038.6 1045.6 1045.6 DAY-HOUR 1- 6 10- 6 23- 6 13- 6 7- 6 2- 6 18- 6 31- 6 27- 3 27- 6 29- 6 4- 6 2005 1040.6 1040.6 1030.8 1034.2 1024.1 1017.0 1011.3 1014.9 1019.1 1031.5 1037.6 1042.7 1042.7 DAY-HOUR 13-18 17- 6 27- 6 9- 6 8- 6 6- 3 29- 6 27- 3 25- 6 27- 3 28- 3 30- 6 1956-2005 1040.6 1040.6 1030.8 1034.2 1024.1 1017.0 1011.3 1018.1 1023.8 1031.5 1038.6 1045.6 1045.6 YEAR-DAY 5-13 5-17 3- 3 5- 9 5- 8 5- 6 5-29 57-25 57-10 5-27 4-29 4- 4 4- 4 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 54 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MIN. OF COMPUTED QFF PRESSURE IN HPA YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 987.2 987.5 994.0 997.0 ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** 2-18 10-12 4-12 12-12 **-** **-** **-** 1957 ****** ****** ****** ****** ****** 990.8 986.7 1000.3 1002.9 1003.2 1007.1 1005.7 ****** DAY-HOUR **-** **-** **-** **-** **-** 6-15 13-15 8-12 28-12 10-12 18- 9 7- 0 1958 1010.7 1010.8 1007.7 1003.9 1003.8 993.0 983.1 992.7 996.6 1005.3 1006.8 1006.6 983.1 DAY-HOUR 31- 9 24-21 24-21 30-18 1- 9 21-12 9-18 2-12 5-12 9-12 7-12 1-12 1959 1002.6 999.4 998.7 1001.1 992.4 987.4 988.3 986.8 992.5 1000.9 1006.4 1011.1 986.8 DAY-HOUR 23-12 17-12 1- 0 19- 9 24-12 28-18 28-12 3-12 6-12 30-12 25-21 1- 9 1960 1008.6 1004.6 998.9 991.9 991.4 989.1 986.6 990.5 993.0 1001.5 1004.0 1012.8 986.6 DAY-HOUR 27-12 29-12 9-12 28-21 31-12 30-12 5-12 12-12 2- 9 11-12 20-12 2-12 1961 1007.3 1004.3 1000.0 999.4 989.9 986.9 987.4 990.6 992.8 1002.4 1006.8 1004.6 986.9 DAY-HOUR 22- 3 17-12 13- 9 8-12 30-12 6-21 15-12 8-12 11-12 2-12 24- 9 22- 9 1962 1007.0 1003.9 998.6 995.1 995.9 ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR 9-12 18-12 29-12 5-18 27-15 **-** **-** **-** **-** **-** **-** **-** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1965 1003.1 1001.8 1002.5 997.8 996.4 989.3 989.2 995.2 1000.9 999.6 1007.0 1010.6 989.2 DAY-HOUR 11- 0 9-12 23-18 21-12 30-12 24-12 12- 9 1- 0 4-12 25-12 9-12 20-12 1966 1010.0 1003.8 993.7 998.6 997.2 987.5 990.8 991.0 998.8 1002.1 1017.1 1005.6 987.5 DAY-HOUR 27-12 15- 0 20-12 24-12 26-18 27- 0 18-12 5-15 1-15 1-12 5-12 12-12 1967 1007.1 1003.9 995.3 998.7 995.3 991.9 984.8 990.3 995.2 1002.5 1010.0 1004.7 984.8 DAY-HOUR 21-12 6-12 23-12 26-15 18-18 5-21 10-12 5-12 7-12 3-15 17- 0 23-12 1968 1004.1 1000.3 998.9 999.2 998.6 989.5 987.4 990.8 996.3 1002.8 1008.2 1006.9 987.4 DAY-HOUR 16-12 3- 9 19- 0 24-21 17-12 23-12 12-12 14-12 7-12 5-12 18-12 9- 9 1969 1001.6 1008.0 999.8 1000.5 996.1 ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR 25- 6 21-12 24- 0 13-12 28-12 **-** **-** **-** **-** **-** **-** **-** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1005.8 ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 12-15 1984 1003.5 1004.7 998.5 996.4 992.8 989.1 990.6 989.6 994.5 1002.2 1006.3 1007.4 989.1 DAY-HOUR 29-12 14-12 13- 0 26-12 30-12 7-18 15-18 8-12 1-12 18-12 16- 0 7-12 1985 1007.0 996.9 996.8 996.1 994.2 989.5 988.3 992.9 994.9 999.8 1008.0 1002.3 988.3 DAY-HOUR 17-12 16-21 25-12 24-18 21-12 8-15 27-15 1- 0 8-12 11-12 8- 0 19-12 1986 1000.4 1002.6 999.1 997.6 995.1 985.7 991.2 993.3 1000.9 1003.1 1002.3 1000.2 985.7 DAY-HOUR 20-12 16-12 8-18 30-12 10-15 21- 0 21-12 5-12 30-12 1- 0 7-12 20-18 1987 1005.0 1003.0 997.2 997.5 996.3 991.0 988.0 990.2 994.8 1000.4 1004.8 1004.0 988.0 DAY-HOUR 3- 9 11- 0 12-12 19-12 28-12 11-15 3-21 29-12 2-12 9- 9 7-21 14- 0 1988 1001.7 1003.0 994.7 998.1 994.5 986.5 985.2 989.0 992.5 1002.2 1005.1 1003.6 985.2 DAY-HOUR 19-12 25-12 24- 0 23-12 24-12 25-12 8-12 4-12 1-12 7-12 20-12 26-12 1989 1005.3 1001.3 996.8 999.3 993.7 987.9 990.3 991.7 993.0 1000.2 1007.8 1005.2 987.9 DAY-HOUR 12-12 23- 3 28-21 29-21 31-18 7-21 18-15 2- 9 12-12 2-12 20-12 5-12 1990 1005.8 999.9 1000.1 993.2 990.6 988.3 984.3 990.5 994.0 1000.2 1005.4 1002.7 984.3 DAY-HOUR 2-12 16- 0 25-12 16- 0 13-12 27-12 5-12 9-12 3-12 2-12 1- 0 25-21 1991 1000.7 1005.5 997.9 998.1 992.1 988.8 984.8 989.9 995.9 1005.0 1005.8 1004.4 984.8 DAY-HOUR 26- 0 4- 9 7-12 11-12 29-12 5-12 14-12 12-12 3-12 5-12 6-12 26- 0 1992 1006.3 1002.5 999.0 996.4 998.3 983.6 990.1 990.0 999.2 1002.3 1002.9 1004.3 983.6 DAY-HOUR 31- 0 11-12 31-12 18-12 20-15 27-12 24-15 1-12 18-12 7-12 26-12 4-12 1993 1002.1 1003.6 997.7 997.2 989.8 990.8 989.5 992.4 996.9 1000.8 1002.5 1007.2 989.5 DAY-HOUR 9-12 23-12 22-12 13- 0 29-15 21- 0 14-12 12-12 3-12 3-12 14-12 5- 0 1994 1004.3 1001.8 1002.0 998.2 996.5 984.3 986.1 986.2 993.8 1003.5 1002.0 1001.2 984.3 DAY-HOUR 5-12 12-12 12-12 26-12 27-12 30- 9 21-15 3-12 1-12 3-12 26- 0 4-12 1995 1007.4 1002.5 997.2 1000.5 994.3 987.7 983.4 989.4 997.1 1001.3 1002.7 1010.8 983.4 DAY-HOUR 1-12 24-12 27-12 15-15 14-12 17-12 17- 0 3-15 19-12 7-12 26- 0 25-12 1996 1008.1 1003.0 1001.2 998.2 996.2 990.1 992.2 992.0 990.6 1000.8 1008.1 1006.9 990.1 DAY-HOUR 7- 0 5- 6 14-12 25-12 29-21 5-21 29-12 7-12 20-12 6-12 10- 0 15-12 1997 1000.8 1003.2 997.4 998.3 996.3 988.5 985.5 991.0 995.5 1002.5 1006.1 1004.3 985.5 DAY-HOUR 17-15 28- 0 30- 0 11-12 5-12 19-15 16-15 1- 0 3-12 1- 0 13-12 11- 0 1998 1000.2 999.9 1000.3 997.8 991.0 992.3 983.6 992.9 994.4 998.1 1005.6 1006.5 983.6 DAY-HOUR 13-12 16- 0 15-12 6-12 30-12 30-12 8-15 22-15 6-12 2-12 1- 0 19- 0 1999 1003.8 1001.3 1000.4 999.6 991.3 986.1 988.1 991.3 994.1 1003.5 1002.8 1009.0 986.1 DAY-HOUR 18- 9 6-12 2-21 9- 0 20-21 23-15 2-21 6-12 16-12 13-15 1-12 16- 0 2000 1002.7 1001.7 1000.9 997.0 989.8 987.5 988.2 992.2 990.5 1000.2 1002.7 1006.9 987.5 DAY-HOUR 21- 0 7-18 13-21 22-12 27-12 26-15 9-15 4- 0 2-15 2-12 6-12 15-12 2001 1008.5 998.8 995.8 996.4 989.0 987.1 984.7 991.2 992.9 1000.9 1004.6 1006.4 984.7 DAY-HOUR 18-12 21-12 26- 9 29-12 25-21 10-21 18-15 27-21 1-12 2-12 1- 0 5-21 2002 1005.5 1004.6 1001.1 992.5 993.1 985.1 988.7 989.8 997.8 1004.6 1005.1 1002.4 985.1 DAY-HOUR 22-12 26- 0 23- 0 4- 0 13-12 21-12 25-15 17-12 1- 0 12-12 13-12 22-12 2003 1003.1 1001.0 999.0 998.1 994.3 985.2 985.7 988.3 994.7 1001.0 1003.0 1006.5 985.2 DAY-HOUR 28-21 17-12 13-12 17-12 23-15 30-21 26- 0 1-12 12-12 6- 0 1-12 6-12 2004 1000.2 1003.1 997.2 993.6 991.2 987.1 989.7 989.4 996.8 1006.3 1016.2 1017.5 987.1 DAY-HOUR 27-12 16- 0 31-15 17-21 13-12 17-21 11-12 15-12 11-12 3-12 24-12 15-12 2005 1015.1 1014.7 1008.2 1007.5 1006.5 994.9 997.1 1002.6 1006.9 1013.7 1018.0 1018.6 994.9 DAY-HOUR 23-12 5-12 24-12 30- 9 6-12 28- 0 4-15 7-21 5-12 4-12 9- 0 26- 0 1956-2005 1000.2 996.9 993.7 991.9 989.0 983.6 983.1 986.2 990.5 998.1 1002.0 1000.2 983.1 YEAR-DAY 98-13 85-16 66-20 60-28 1-25 92-27 58- 9 94- 3 0- 2 98- 2 94-26 86-20 58- 9 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 55 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF QFE PRESSURE IN HPA AT 0000 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 884.9 884.9 889.5 891.1 ****** ****** ****** ****** 1957 ****** ****** ****** ****** ****** 889.0 887.3 896.7 899.4 896.3 897.7 897.1 ****** 1958 897.5 897.0 895.2 894.6 894.1 888.8 885.2 888.3 891.1 896.9 901.1 898.1 894.0 1959 897.8 893.7 894.5 894.2 891.4 888.8 885.4 884.0 887.7 895.0 897.6 900.8 892.6 1960 898.5 897.0 893.2 893.0 892.2 886.6 884.2 885.6 891.7 896.6 898.5 899.2 893.0 1961 897.8 895.5 892.9 892.4 889.7 887.8 883.9 886.9 888.3 896.6 898.0 897.5 892.3 1962 897.9 895.6 892.9 891.4 891.0 ****** ****** ****** ****** ****** ****** ****** ****** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 895.2 894.6 895.1 891.7 891.7 887.9 885.4 889.8 893.7 896.3 898.8 898.3 893.2 1966 899.0 894.9 893.3 892.7 892.5 887.2 885.9 888.2 892.5 897.1 902.6 897.7 893.6 1967 899.3 894.5 891.8 892.0 892.1 888.1 883.9 886.8 889.9 900.2 897.3 897.2 892.8 1968 895.5 896.3 894.0 894.0 892.9 887.3 886.4 887.6 892.8 897.2 899.9 897.3 893.4 1969 897.0 897.1 894.3 893.1 ****** ****** ****** ****** ****** ****** ****** ****** ****** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 897.2 ****** 1984 895.6 896.8 893.2 891.6 889.1 885.1 885.0 884.2 891.3 897.5 897.0 898.3 892.1 1985 895.9 891.0 894.0 890.0 889.9 885.2 883.4 887.9 890.9 894.3 897.1 896.0 891.3 1986 896.3 893.3 892.5 891.5 890.8 884.2 885.9 888.0 892.7 895.5 895.2 894.8 891.7 1987 895.7 895.7 890.3 892.4 891.3 887.3 886.7 886.5 890.5 896.9 897.7 897.6 892.4 1988 895.2 893.8 890.9 892.0 889.1 886.3 882.8 885.5 889.7 895.2 896.8 895.5 891.1 1989 894.8 896.0 891.1 892.6 890.9 886.1 885.6 886.8 889.7 894.9 897.1 895.4 891.7 1990 895.2 892.4 894.2 890.2 888.6 885.7 884.0 885.9 889.3 895.6 897.2 896.3 891.2 1991 895.6 895.4 892.3 892.0 888.1 886.6 884.0 885.5 891.0 895.9 897.7 895.6 891.6 1992 895.1 892.2 892.6 890.9 891.4 885.8 884.6 887.0 891.6 894.6 897.0 895.8 891.6 1993 896.1 894.8 893.4 891.4 890.1 886.3 885.3 887.9 890.1 897.5 896.5 898.2 892.3 1994 895.7 892.2 892.7 892.4 890.1 883.9 882.0 884.2 892.6 896.7 895.6 897.4 891.3 1995 897.0 894.2 893.0 891.4 891.1 886.1 881.3 885.5 890.3 895.0 895.9 897.7 891.6 1996 896.6 893.3 891.0 891.7 891.0 886.2 886.1 887.1 888.8 894.8 898.5 898.5 892.0 1997 894.9 894.1 890.9 891.0 891.0 886.1 882.3 885.8 891.0 895.1 896.8 895.8 891.2 1998 894.0 894.1 892.5 891.8 890.7 888.4 884.3 887.6 890.4 894.8 897.1 898.5 892.0 1999 895.7 894.4 891.7 891.8 889.3 885.6 884.0 886.8 889.1 894.3 895.8 899.4 891.5 2000 894.4 893.9 892.4 890.8 886.8 885.5 885.7 886.8 888.8 894.4 897.3 896.6 891.1 2001 896.4 893.8 892.7 890.2 887.4 884.2 883.4 887.5 890.5 894.3 896.0 897.9 891.2 2002 895.9 894.9 893.2 890.3 888.7 885.7 885.5 885.4 890.9 894.7 897.1 895.6 891.5 2003 895.6 892.0 892.6 891.8 890.9 885.4 882.5 886.9 890.1 894.5 897.0 898.5 891.5 2004 894.2 895.3 894.4 890.6 888.2 885.5 885.9 885.8 891.6 897.1 908.1 908.2 893.7 2005 907.7 904.9 903.4 904.7 901.4 896.6 895.2 897.4 900.5 906.8 909.0 909.5 903.1 MEAN 896.5 894.8 893.2 892.2 890.8 886.7 884.9 887.4 891.2 896.2 898.2 898.0 892.5 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 56 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MAX. OF QFE PRESSURE IN HPA AT 0000 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 889.1 888.1 895.1 895.1 ****** ****** ****** ****** DAY ** ** ** ** ** 8 30 30 30 ** ** ** 1957 ****** ****** ****** ****** ****** 892.4 894.2 901.7 906.7 901.2 905.2 903.4 ****** DAY ** ** ** ** ** 18 30 30 10 21 25 30 1958 902.2 901.0 898.0 898.9 901.0 893.6 890.4 891.0 895.8 900.2 905.0 903.6 905.0 DAY 3 14 29 3 14 3 16 26 30 23 4 6 1959 902.4 899.0 899.0 899.8 897.0 892.6 891.6 887.3 892.8 902.0 902.6 906.6 906.6 DAY 3 23 15 9 5 22 20 28 27 21 22 17 1960 903.0 904.3 900.3 900.1 898.9 891.7 888.9 888.1 899.0 902.5 903.5 905.4 905.4 DAY 20 2 21 8 6 3 17 15 6 31 27 5 1961 904.7 902.5 901.2 896.9 895.0 894.5 887.0 891.3 894.2 901.8 903.6 905.0 905.0 DAY 10 23 4 22 2 11 24 10 30 31 1 3 1962 905.8 903.4 901.0 896.6 895.6 ****** ****** ****** ****** ****** ****** ****** ****** DAY 19 1 4 19 17 ** ** ** ** ** ** ** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1965 901.4 901.0 900.0 896.4 896.5 893.9 888.2 893.2 896.7 901.0 902.1 902.4 902.4 DAY 17 26 17 25 22 4 10 10 30 29 28 4 1966 903.0 900.8 900.3 899.4 896.0 894.3 889.6 892.6 895.8 901.8 906.0 906.2 906.2 DAY 1 26 3 6 2 3 11 17 23 31 23 8 1967 905.9 901.3 901.1 897.7 899.0 894.5 889.2 890.6 893.2 903.1 900.2 902.5 905.9 DAY 7 28 4 4 3 8 15 16 14 28 6 2 1968 903.7 902.9 903.0 898.7 897.3 895.3 890.8 893.8 896.6 902.9 904.6 903.6 904.6 DAY 20 6 28 1 2 1 16 30 21 17 25 22 1969 903.1 905.0 898.2 895.9 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 9 3 25 29 ** ** ** ** ** ** ** ** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 903.0 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 25 1984 905.0 902.5 899.7 896.5 891.9 889.5 888.1 886.8 896.0 904.0 903.3 903.5 905.0 DAY 5 21 4 2 9 5 23 28 26 22 27 19 1985 900.4 898.3 904.0 894.1 896.3 888.3 886.3 891.9 894.8 898.0 902.0 901.4 904.0 DAY 25 25 6 18 13 16 16 31 27 24 18 8 1986 903.1 899.4 901.0 896.8 896.5 890.4 889.4 891.7 897.0 900.8 902.4 901.0 903.1 DAY 25 23 28 5 20 3 23 30 22 20 16 7 1987 901.0 902.5 896.4 896.8 896.9 891.8 891.0 891.0 896.3 901.8 905.8 907.2 907.2 DAY 17 2 25 23 1 1 29 8 26 30 30 1 1988 903.0 902.8 896.9 899.7 893.3 892.2 887.5 889.6 894.0 900.0 901.7 904.6 904.6 DAY 3 7 26 13 3 1 31 27 25 17 16 30 1989 900.9 902.0 897.4 897.0 895.1 889.1 888.7 889.8 898.7 900.8 900.9 899.3 902.0 DAY 19 8 1 4 2 3 20 31 24 27 29 19 1990 904.2 901.5 901.2 894.9 894.0 891.5 888.1 889.1 893.9 902.4 903.4 904.1 904.2 DAY 27 1 10 4 16 1 16 4 26 19 24 29 1991 903.1 906.7 898.5 897.9 894.5 890.4 888.0 889.1 896.4 898.4 901.3 901.0 906.7 DAY 13 16 13 15 9 22 2 29 28 28 30 18 1992 905.6 899.4 902.3 895.8 895.8 891.0 888.0 891.0 895.5 899.0 901.6 901.3 905.6 DAY 10 17 13 12 29 7 6 16 2 30 5 11 1993 902.0 900.5 898.6 898.3 894.9 892.1 888.8 891.0 893.5 902.2 900.6 903.6 903.6 DAY 3 8 18 1 10 23 27 7 24 17 23 7 1994 903.0 898.1 897.7 901.1 894.2 889.0 886.3 887.2 899.0 902.7 899.7 904.5 904.5 DAY 19 21 4 6 8 1 14 16 23 10 3 8 1995 901.6 897.5 899.0 895.0 896.5 891.9 885.2 888.3 893.6 902.1 902.1 902.0 902.1 DAY 8 1 3 11 27 2 29 11 13 27 28 11 1996 901.7 898.7 895.4 898.0 894.8 889.4 892.1 891.6 894.2 901.0 908.0 903.6 908.0 DAY 27 14 30 8 4 1 4 31 26 20 19 8 1997 900.7 901.9 899.5 896.4 897.7 889.9 884.3 889.0 895.6 899.0 902.6 904.9 904.9 DAY 19 8 12 15 7 11 22 31 18 9 8 29 1998 900.3 901.1 897.8 899.3 895.8 892.6 888.4 889.9 894.4 899.2 901.2 904.9 904.9 DAY 23 24 28 12 8 6 22 9 13 11 21 10 1999 903.4 898.9 896.9 895.9 893.3 892.1 887.1 891.5 896.6 896.7 901.4 905.1 905.1 DAY 3 12 31 1 12 1 29 19 30 11 15 6 2000 903.3 900.5 897.6 895.5 892.1 890.0 890.0 890.0 893.7 898.0 904.0 901.8 904.0 DAY 31 11 4 3 6 4 21 14 29 7 17 18 2001 902.0 901.7 900.7 896.1 892.0 889.2 888.0 892.0 896.3 899.3 901.1 904.3 904.3 DAY 30 10 2 3 12 3 30 15 23 11 3 18 2002 902.1 902.3 902.4 898.2 893.1 890.0 889.0 888.8 894.8 897.7 903.4 903.3 903.4 DAY 28 2 11 2 10 25 31 1 29 11 19 4 2003 901.5 899.4 904.0 896.7 897.0 891.9 885.8 891.0 896.5 897.5 905.8 905.2 905.8 DAY 13 7 3 8 3 1 3 5 28 17 25 14 2004 903.4 901.4 900.0 896.2 891.5 889.9 888.8 889.9 897.2 900.8 914.2 918.9 918.9 DAY 1 9 24 13 9 7 18 31 27 27 29 4 2005 913.5 912.1 908.4 911.2 904.7 902.4 898.0 900.9 903.1 910.8 913.0 915.2 915.2 DAY 14 15 28 9 8 6 19 27 25 12 29 28 1956-2005 913.5 912.1 908.4 911.2 904.7 902.4 898.0 901.7 906.7 910.8 914.2 918.9 918.9 YEAR-DAY 5-14 5-15 5-28 5- 9 5- 8 5- 6 5-19 57-30 57-10 5-12 4-29 4- 4 4- 4 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 57 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MIN. OF QFE PRESSURE IN HPA AT 0000 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 880.9 881.4 885.0 887.4 ****** ****** ****** ****** DAY ** ** ** ** ** 4 16 5 10 ** ** ** 1957 ****** ****** ****** ****** ****** 884.8 879.7 890.9 891.0 890.8 891.8 888.9 ****** DAY ** ** ** ** ** 29 14 8 19 11 18 7 1958 893.6 893.6 893.6 892.0 891.8 884.8 876.6 885.2 887.0 892.2 894.4 893.8 876.6 DAY 22 6 10 30 1 21 10 3 4 10 7 10 1959 887.8 887.0 882.0 889.0 884.6 880.4 880.0 879.6 883.6 889.6 890.2 895.4 879.6 DAY 23 17 1 19 31 29 3 3 7 5 26 13 1960 892.3 892.4 885.7 887.6 885.5 881.7 879.7 882.8 885.9 890.2 890.5 892.7 879.7 DAY 27 10 9 21 17 30 2 12 2 9 20 30 1961 891.6 889.0 887.5 885.4 882.0 879.1 880.4 883.7 884.0 890.6 892.3 890.5 879.1 DAY 30 3 13 9 29 7 15 2 11 3 24 23 1962 892.8 891.0 886.4 884.1 887.3 ****** ****** ****** ****** ****** ****** ****** ****** DAY 6 28 29 6 11 ** ** ** ** ** ** ** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1965 884.7 889.7 889.5 886.0 886.4 881.5 882.0 885.1 891.2 890.4 892.4 892.2 881.5 DAY 11 8 24 22 30 25 12 1 23 26 10 21 1966 895.0 887.8 885.1 887.4 887.6 880.4 882.6 883.4 888.8 891.0 899.7 891.0 880.4 DAY 27 15 20 24 27 27 18 6 13 2 16 12 1967 891.5 889.7 882.1 885.2 886.5 883.2 878.8 883.6 887.2 895.8 893.7 886.8 878.8 DAY 22 13 25 27 19 6 10 6 8 22 28 24 1968 887.9 887.5 885.2 887.3 888.7 881.8 881.6 883.8 887.9 891.9 894.2 891.8 881.6 DAY 23 3 19 25 17 24 12 14 8 26 19 5 1969 887.5 891.0 887.1 888.2 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 25 15 24 18 ** ** ** ** ** ** ** ** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1979 ****** ****** 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21 19 5 9 1 8 21 1987 886.4 888.2 884.5 887.5 887.5 882.6 881.0 882.0 887.0 889.9 892.4 888.9 881.0 DAY 3 11 20 5 23 12 4 19 2 9 8 14 1988 888.8 888.1 880.1 887.1 885.6 879.3 879.4 882.9 885.2 890.6 890.9 887.0 879.3 DAY 27 18 24 16 25 24 18 7 1 31 29 26 1989 887.1 887.4 883.4 886.2 886.2 882.8 883.6 882.5 884.8 889.5 893.8 892.2 882.5 DAY 5 23 29 30 30 8 18 2 12 2 25 17 1990 889.1 884.6 887.0 883.0 882.5 881.6 878.0 883.0 885.4 890.0 890.3 887.3 878.0 DAY 2 16 3 16 13 28 5 1 3 2 1 26 1991 884.2 889.1 884.5 886.5 882.6 881.1 880.1 882.4 887.0 892.1 891.8 887.2 880.1 DAY 26 8 7 11 29 13 15 13 4 5 7 26 1992 888.0 888.1 886.0 883.4 886.1 878.2 881.9 882.4 888.4 890.0 891.0 891.7 878.2 DAY 31 21 31 19 5 28 19 2 18 7 26 4 1993 887.2 889.8 885.0 884.2 886.5 882.4 881.5 883.5 886.9 890.0 891.0 889.5 881.5 DAY 9 5 22 13 29 4 14 13 4 3 14 5 1994 887.3 886.0 887.7 886.5 886.2 878.7 879.2 879.5 884.1 890.5 888.3 889.0 878.7 DAY 17 12 13 3 2 29 1 2 1 3 26 4 1995 891.8 887.5 885.4 886.9 885.9 880.9 876.5 882.1 887.1 890.0 887.2 893.3 876.5 DAY 26 24 27 16 11 18 17 3 5 13 26 6 1996 890.1 887.5 886.7 886.2 885.3 882.8 883.3 883.9 883.0 888.9 891.4 893.3 882.8 DAY 13 6 14 11 30 6 28 9 20 6 29 15 1997 885.3 886.6 882.9 886.1 886.3 880.5 878.5 881.9 886.0 891.2 891.7 888.0 878.5 DAY 18 1 30 11 5 20 16 1 4 1 13 11 1998 886.7 883.5 886.2 886.8 885.5 883.4 877.8 885.1 886.3 889.0 892.3 891.9 877.8 DAY 14 16 2 30 30 30 9 13 7 4 1 19 1999 886.9 885.7 886.2 887.0 881.9 879.4 881.7 882.8 885.5 891.6 891.7 890.9 879.4 DAY 19 6 3 15 21 26 11 7 16 25 26 16 2000 886.2 885.2 887.2 888.4 882.4 880.6 880.6 882.6 881.6 889.2 890.7 889.5 880.6 DAY 21 8 14 18 27 25 9 4 1 2 6 16 2001 891.0 886.7 883.7 885.8 880.6 880.6 878.2 883.0 885.3 891.0 890.3 892.4 878.2 DAY 20 21 26 13 26 30 11 28 1 2 12 6 2002 889.6 889.6 887.2 881.3 884.0 878.4 881.2 881.7 887.6 892.0 891.3 886.8 878.4 DAY 22 26 23 4 21 21 27 9 18 29 7 25 2003 886.9 886.8 886.7 887.5 884.3 879.3 878.5 881.5 886.0 889.5 889.0 892.9 878.5 DAY 29 17 14 18 24 21 1 1 12 6 15 11 2004 886.7 889.6 889.1 884.3 882.0 879.3 881.4 882.1 886.6 893.7 901.9 901.8 879.3 DAY 24 16 31 18 14 18 11 16 12 4 24 27 2005 900.6 898.5 896.7 895.4 895.9 887.5 889.9 892.7 896.8 902.0 902.7 901.7 887.5 DAY 25 5 25 30 6 28 5 8 16 5 9 26 1956-2005 884.2 882.0 880.1 881.3 880.6 878.2 876.5 879.5 881.6 888.9 887.2 886.8 876.5 YEAR-DAY 91-26 85-17 88-24 2- 4 1-26 92-28 95-17 94- 2 0- 1 96- 6 95-26 67-24 95-17 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 58 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF QNH PRESSURE IN HPA AT 0000 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1005.7 1005.7 1010.7 1012.6 ****** ****** ****** ****** 1957 ****** ****** ****** ****** ****** 1010.2 1008.3 1018.8 1021.7 1018.3 1019.9 1019.2 ****** 1958 1019.7 1019.1 1017.1 1016.4 1015.8 1010.0 1006.0 1009.5 1012.6 1019.0 1023.7 1020.4 1015.8 1959 1020.0 1015.4 1016.3 1015.9 1012.9 1010.0 1006.2 1004.7 1008.8 1016.8 1019.8 1023.3 1014.2 1960 1020.8 1019.1 1014.9 1014.7 1013.7 1007.5 1004.9 1006.5 1013.2 1018.7 1020.8 1021.6 1014.7 1961 1020.0 1017.4 1014.5 1014.0 1011.0 1008.9 1004.5 1007.9 1009.4 1018.7 1020.2 1019.7 1013.9 1962 1020.1 1017.5 1014.6 1012.9 1012.5 ****** ****** ****** ****** ****** ****** ****** ****** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 1017.1 1016.5 1016.9 1013.2 1013.2 1009.0 1006.2 1011.1 1015.5 1018.3 1021.0 1020.5 1014.9 1966 1021.3 1016.7 1015.0 1014.3 1014.1 1008.2 1006.8 1009.4 1014.1 1019.2 1025.3 1019.9 1015.4 1967 1021.7 1016.3 1013.4 1013.5 1013.7 1009.2 1004.6 1007.8 1011.2 1022.6 1019.4 1019.3 1014.4 1968 1017.4 1018.3 1015.8 1015.7 1014.6 1008.3 1007.3 1008.7 1014.4 1019.3 1022.3 1019.4 1015.1 1969 1019.1 1019.2 1016.1 1014.7 ****** ****** ****** ****** ****** ****** ****** ****** ****** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1019.3 ****** 1984 1017.6 1018.9 1014.9 1013.1 1010.3 1005.9 1005.8 1004.9 1012.7 1019.7 1019.1 1020.5 1013.6 1985 1017.8 1012.5 1015.8 1011.3 1011.2 1006.0 1004.0 1009.0 1012.3 1016.1 1019.2 1018.0 1012.8 1986 1018.3 1015.0 1014.1 1012.9 1012.2 1004.9 1006.8 1009.2 1014.4 1017.5 1017.2 1016.6 1013.3 1987 1017.6 1017.7 1011.6 1013.9 1012.8 1008.4 1007.6 1007.5 1011.9 1019.0 1019.8 1019.7 1014.0 1988 1017.1 1015.5 1012.3 1013.5 1010.3 1007.2 1003.4 1006.3 1011.0 1017.1 1018.9 1017.4 1012.5 1989 1016.7 1018.0 1012.6 1014.2 1012.3 1007.0 1006.5 1007.8 1011.0 1016.8 1019.2 1017.3 1013.3 1990 1017.1 1014.0 1016.0 1011.5 1009.7 1006.5 1004.6 1006.8 1010.6 1017.5 1019.3 1018.4 1012.7 1991 1017.5 1017.3 1013.9 1013.6 1009.3 1007.5 1004.7 1006.4 1012.5 1017.8 1019.9 1017.5 1013.2 1992 1017.0 1013.8 1014.2 1012.4 1012.9 1006.7 1005.3 1008.0 1013.1 1016.4 1019.1 1017.8 1013.0 1993 1018.1 1016.7 1015.2 1012.9 1011.5 1007.3 1006.1 1009.0 1011.5 1019.7 1018.5 1020.4 1013.9 1994 1017.7 1013.7 1014.3 1014.0 1011.4 1004.5 1002.5 1004.9 1014.3 1018.7 1017.5 1019.5 1012.8 1995 1019.1 1016.0 1014.7 1012.8 1012.6 1007.0 1001.7 1006.4 1011.7 1016.9 1017.9 1019.9 1013.1 1996 1018.6 1015.0 1012.5 1013.2 1012.4 1007.1 1007.0 1008.1 1010.0 1016.7 1020.8 1020.8 1013.5 1997 1016.8 1015.8 1012.3 1012.4 1012.4 1007.0 1002.7 1006.6 1012.4 1017.0 1018.9 1017.7 1012.7 1998 1015.7 1015.9 1014.1 1013.3 1012.1 1009.5 1005.0 1008.6 1011.8 1016.6 1019.2 1020.8 1013.6 1999 1017.6 1016.2 1013.2 1013.3 1010.6 1006.5 1004.7 1007.7 1010.3 1016.1 1017.8 1021.8 1013.0 2000 1016.2 1015.6 1014.0 1012.2 1007.8 1006.3 1006.6 1007.8 1010.0 1016.2 1019.5 1018.6 1012.6 2001 1018.4 1015.6 1014.4 1011.6 1008.4 1004.9 1004.0 1008.6 1011.9 1016.1 1018.0 1020.1 1012.6 2002 1017.9 1016.8 1014.9 1011.7 1009.8 1006.5 1006.4 1006.3 1012.3 1016.5 1019.2 1017.6 1013.0 2003 1017.5 1013.5 1014.2 1013.4 1012.4 1006.3 1003.0 1007.9 1011.4 1016.3 1019.1 1020.8 1013.0 2004 1016.0 1017.2 1016.2 1012.0 1009.3 1006.3 1006.8 1006.6 1013.1 1019.2 1031.4 1031.5 1015.5 2005 1030.9 1027.9 1026.2 1027.6 1024.0 1018.7 1017.1 1019.5 1023.0 1029.9 1032.4 1033.0 1025.8 MEAN 1018.6 1016.7 1014.9 1013.8 1012.2 1007.7 1005.7 1008.4 1012.7 1018.2 1020.5 1020.3 1014.1 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 59 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MAX. OF QNH PRESSURE IN HPA AT 0000 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1010.3 1009.2 1017.0 1017.0 ****** ****** ****** ****** DAY ** ** ** ** ** 8 30 30 30 ** ** ** 1957 ****** ****** ****** ****** ****** 1014.0 1016.0 1024.3 1029.9 1023.7 1028.2 1026.2 ****** DAY ** ** ** ** ** 18 30 30 10 21 25 30 1958 1024.9 1023.5 1020.2 1021.2 1023.5 1015.3 1011.8 1012.4 1017.8 1022.6 1028.0 1026.4 1028.0 DAY 3 14 29 3 14 3 16 26 30 23 4 6 1959 1025.1 1021.3 1021.3 1022.2 1019.1 1014.2 1013.1 1008.3 1014.4 1024.6 1025.3 1029.7 1029.7 DAY 3 23 15 9 5 22 20 28 27 21 22 17 1960 1025.7 1027.2 1022.8 1022.5 1021.2 1013.2 1010.1 1009.2 1021.3 1025.2 1026.3 1028.4 1028.4 DAY 20 2 21 8 6 3 17 15 6 31 27 5 1961 1027.6 1025.2 1023.7 1019.0 1016.9 1016.3 1008.0 1012.8 1016.0 1024.4 1026.4 1028.0 1028.0 DAY 10 23 4 22 2 11 24 10 30 31 1 3 1962 1028.9 1026.2 1023.5 1018.7 1017.5 ****** ****** ****** ****** ****** ****** ****** ****** DAY 19 1 4 19 17 ** ** ** ** ** ** ** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1965 1024.0 1023.5 1022.4 1018.4 1018.5 1015.7 1009.3 1014.9 1018.8 1023.5 1024.8 1025.1 1025.1 DAY 17 26 17 25 22 4 10 10 30 29 28 4 1966 1025.7 1023.3 1022.8 1021.8 1018.0 1016.1 1010.9 1014.2 1017.8 1024.4 1029.1 1029.3 1029.3 DAY 1 26 3 6 2 3 11 17 23 31 23 8 1967 1029.0 1023.9 1023.6 1019.9 1021.3 1016.3 1010.4 1012.0 1014.9 1025.9 1022.6 1025.2 1029.0 DAY 7 28 4 4 3 8 15 16 14 28 6 2 1968 1026.5 1025.6 1025.7 1021.0 1019.4 1017.2 1012.2 1015.5 1018.7 1025.6 1027.5 1026.4 1027.5 DAY 20 6 28 1 2 1 16 30 21 17 25 22 1969 1025.9 1028.0 1020.4 1017.9 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 9 3 25 29 ** ** ** ** ** ** ** ** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1025.7 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 25 1984 1028.0 1025.2 1022.1 1018.5 1013.4 1010.8 1009.2 1007.8 1018.0 1026.9 1026.1 1026.3 1028.0 DAY 5 21 4 2 9 5 23 28 26 22 27 19 1985 1022.9 1020.5 1026.9 1015.9 1018.3 1009.4 1007.2 1013.4 1016.7 1020.2 1024.6 1024.0 1026.9 DAY 25 25 6 18 13 16 16 31 27 24 18 8 1986 1025.9 1021.8 1023.5 1018.9 1018.5 1011.8 1010.7 1013.2 1019.1 1023.3 1025.1 1023.5 1025.9 DAY 25 23 28 5 20 3 23 30 22 20 16 7 1987 1023.5 1025.2 1018.4 1018.9 1019.0 1013.3 1012.4 1012.4 1018.3 1024.4 1028.9 1030.4 1030.4 DAY 17 2 25 23 1 1 29 8 26 30 30 1 1988 1025.7 1025.5 1019.0 1022.1 1015.0 1013.8 1008.6 1010.9 1015.8 1022.4 1024.3 1027.5 1027.5 DAY 3 7 26 13 3 1 31 27 25 17 16 30 1989 1023.4 1024.6 1019.5 1019.1 1017.0 1010.3 1009.9 1011.1 1021.0 1023.3 1023.4 1021.6 1024.6 DAY 19 8 1 4 2 3 20 31 24 27 29 19 1990 1027.1 1024.1 1023.7 1016.8 1015.8 1013.0 1009.2 1010.3 1015.7 1025.1 1026.2 1027.0 1027.1 DAY 27 1 10 4 16 1 16 4 26 19 24 29 1991 1025.9 1029.9 1020.8 1020.1 1016.3 1011.8 1009.1 1010.3 1018.4 1020.6 1023.9 1023.5 1029.9 DAY 13 16 13 15 9 22 2 29 28 28 30 18 1992 1028.6 1021.8 1025.0 1017.8 1017.8 1012.4 1009.1 1012.4 1017.4 1021.3 1024.2 1023.9 1028.6 DAY 10 17 13 12 29 7 6 16 2 30 5 11 1993 1024.6 1023.0 1020.9 1020.5 1016.8 1013.7 1010.0 1012.4 1015.2 1024.9 1023.1 1026.4 1026.4 DAY 3 8 18 1 10 23 27 7 24 17 23 7 1994 1025.7 1020.3 1019.9 1023.6 1016.0 1010.2 1007.2 1008.2 1021.3 1025.4 1022.1 1027.4 1027.4 DAY 19 21 4 6 8 1 14 16 23 10 3 8 1995 1024.2 1019.6 1021.3 1016.9 1018.5 1013.4 1006.0 1009.4 1015.3 1024.8 1024.8 1024.6 1024.8 DAY 8 1 3 11 27 2 29 11 13 27 28 11 1996 1024.3 1021.0 1017.3 1020.2 1016.7 1010.7 1013.7 1013.1 1016.0 1023.5 1031.3 1026.4 1031.3 DAY 27 14 30 8 4 1 4 31 26 20 19 8 1997 1023.2 1024.5 1021.9 1018.4 1019.9 1011.2 1005.0 1010.2 1017.5 1021.3 1025.3 1027.9 1027.9 DAY 19 8 12 15 7 11 22 31 18 9 8 29 1998 1022.8 1023.6 1020.0 1021.6 1017.8 1014.2 1009.6 1011.2 1016.2 1021.5 1023.7 1027.9 1027.9 DAY 23 24 28 12 8 6 22 9 13 11 21 10 1999 1026.2 1021.2 1019.0 1017.9 1015.0 1013.7 1008.1 1013.0 1018.7 1018.8 1024.0 1028.1 1028.1 DAY 3 12 31 1 12 1 29 19 30 11 15 6 2000 1026.1 1023.0 1019.8 1017.4 1013.7 1011.3 1011.3 1011.3 1015.4 1020.2 1026.9 1024.4 1026.9 DAY 31 11 4 3 6 4 21 14 29 7 17 18 2001 1024.6 1024.3 1023.2 1018.1 1013.5 1010.4 1009.1 1013.5 1018.3 1021.6 1023.6 1027.2 1027.2 DAY 30 10 2 3 12 3 30 15 23 11 3 18 2002 1024.8 1025.0 1025.1 1020.4 1014.8 1011.3 1010.2 1010.0 1016.7 1019.9 1026.2 1026.1 1026.2 DAY 28 2 11 2 10 25 31 1 29 11 19 4 2003 1024.1 1021.8 1026.9 1018.8 1019.1 1013.4 1006.7 1012.4 1018.5 1019.6 1028.9 1028.2 1028.9 DAY 13 7 3 8 3 1 3 5 28 17 25 14 2004 1026.2 1024.0 1022.4 1018.2 1013.0 1011.2 1010.0 1011.2 1019.3 1023.3 1038.2 1043.4 1043.4 DAY 1 9 24 13 9 7 18 31 27 27 29 4 2005 1037.4 1035.8 1031.7 1034.8 1027.6 1025.1 1020.2 1023.4 1025.9 1034.4 1036.8 1039.3 1039.3 DAY 14 15 28 9 8 6 19 27 25 12 29 28 1956-2005 1037.4 1035.8 1031.7 1034.8 1027.6 1025.1 1020.2 1024.3 1029.9 1034.4 1038.2 1043.4 1043.4 YEAR-DAY 5-14 5-15 5-28 5- 9 5- 8 5- 6 5-19 57-30 57-10 5-12 4-29 4- 4 4- 4 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 60 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MIN. OF QNH PRESSURE IN HPA AT 0000 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1001.2 1001.8 1005.8 1008.4 ****** ****** ****** ****** DAY ** ** ** ** ** 4 16 5 10 ** ** ** 1957 ****** ****** ****** ****** ****** 1005.6 999.9 1012.3 1012.4 1012.2 1013.3 1010.1 ****** DAY ** ** ** ** ** 29 14 8 19 11 18 7 1958 1015.3 1015.3 1015.3 1013.5 1013.3 1005.6 996.5 1006.0 1008.0 1013.8 1016.2 1015.5 996.5 DAY 22 6 10 30 1 21 10 3 4 10 7 10 1959 1008.9 1008.0 1002.5 1010.2 1005.3 1000.7 1000.2 999.8 1004.2 1010.9 1011.6 1017.3 999.8 DAY 23 17 1 19 31 29 3 3 7 5 26 13 1960 1013.9 1014.0 1006.6 1008.7 1006.3 1002.1 999.9 1003.3 1006.8 1011.6 1011.9 1014.3 999.9 DAY 27 10 9 21 17 30 2 12 2 9 20 30 1961 1013.1 1010.2 1008.6 1006.2 1002.5 999.2 1000.7 1004.3 1004.7 1012.0 1013.9 1011.9 999.2 DAY 30 3 13 9 29 7 15 2 11 3 24 23 1962 1014.4 1012.4 1007.3 1004.8 1008.3 ****** ****** ****** ****** ****** ****** ****** ****** DAY 6 28 29 6 11 ** ** ** ** ** ** ** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1965 1005.4 1011.0 1010.8 1006.9 1007.3 1001.9 1002.5 1005.9 1012.7 1011.8 1014.0 1013.8 1001.9 DAY 11 8 24 22 30 25 12 1 23 26 10 21 1966 1016.9 1008.9 1005.9 1008.4 1008.7 1000.7 1003.1 1004.0 1010.0 1012.4 1022.1 1012.4 1000.7 DAY 27 15 20 24 27 27 18 6 13 2 16 12 1967 1013.0 1011.0 1002.6 1006.0 1007.4 1003.8 998.9 1004.2 1008.2 1017.8 1015.4 1007.8 998.9 DAY 22 13 25 27 19 6 10 6 8 22 28 24 1968 1009.0 1008.6 1006.0 1008.3 1009.9 1002.2 1002.0 1004.4 1009.0 1013.4 1016.0 1013.3 1002.0 DAY 23 3 19 25 17 24 12 14 8 26 19 5 1969 1008.6 1012.4 1008.1 1009.3 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 25 15 24 18 ** ** ** ** ** ** ** ** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1012.3 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 31 1984 1010.2 1009.8 1005.9 1009.6 1004.9 1001.5 1002.6 1002.9 1005.4 1013.3 1012.2 1013.1 1001.5 DAY 30 8 14 26 30 21 16 8 1 18 16 14 1985 1012.7 1002.5 1008.2 1006.8 1005.8 1001.3 1002.1 1004.7 1006.3 1010.9 1013.5 1009.1 1001.3 DAY 3 17 25 25 22 18 20 6 8 12 8 20 1986 1005.8 1008.0 1006.2 1007.7 1007.6 998.6 1003.9 1005.6 1011.3 1012.4 1009.6 1009.1 998.6 DAY 20 11 9 30 11 21 19 5 9 1 8 21 1987 1007.3 1009.3 1005.2 1008.6 1008.6 1003.1 1001.3 1002.5 1008.0 1011.2 1014.0 1010.1 1001.3 DAY 3 11 20 5 23 12 4 19 2 9 8 14 1988 1010.0 1009.2 1000.3 1008.1 1006.4 999.5 999.6 1003.5 1006.0 1012.0 1012.3 1008.0 999.5 DAY 27 18 24 16 25 24 18 7 1 31 29 26 1989 1008.1 1008.4 1004.0 1007.1 1007.1 1003.3 1004.2 1003.0 1005.6 1010.8 1015.5 1013.8 1003.0 DAY 5 23 29 30 30 8 18 2 12 2 25 17 1990 1010.3 1005.3 1008.0 1003.6 1003.0 1002.0 998.0 1003.6 1006.2 1011.3 1011.7 1008.3 998.0 DAY 2 16 3 16 13 28 5 1 3 2 1 26 1991 1004.9 1010.3 1005.2 1007.4 1003.1 1001.5 1000.3 1002.9 1008.0 1013.7 1013.3 1008.2 1000.3 DAY 26 8 7 11 29 13 15 13 4 5 7 26 1992 1009.1 1009.2 1006.9 1004.0 1007.0 998.2 1002.3 1002.9 1009.6 1011.3 1012.4 1013.2 998.2 DAY 31 21 31 19 5 28 19 2 18 7 26 4 1993 1008.2 1011.1 1005.8 1004.9 1007.4 1002.9 1001.9 1004.1 1007.9 1011.3 1012.4 1010.8 1001.9 DAY 9 5 22 13 29 4 14 13 4 3 14 5 1994 1008.3 1006.9 1008.8 1007.4 1007.1 998.8 999.3 999.7 1004.8 1011.9 1009.4 1010.2 998.8 DAY 17 12 13 3 2 29 1 2 1 3 26 4 1995 1013.3 1008.6 1006.2 1007.9 1006.8 1001.2 996.3 1002.6 1008.1 1011.3 1008.2 1015.0 996.3 DAY 26 24 27 16 11 18 17 3 5 13 26 6 1996 1011.4 1008.6 1007.7 1007.1 1006.1 1003.3 1003.9 1004.6 1003.6 1010.1 1012.9 1015.0 1003.3 DAY 13 6 14 11 30 6 28 9 20 6 29 15 1997 1006.1 1007.6 1003.5 1007.0 1007.2 1000.8 998.6 1002.3 1006.9 1012.7 1013.2 1009.1 998.6 DAY 18 1 30 11 5 20 16 1 4 1 13 11 1998 1007.7 1004.1 1007.1 1007.8 1006.3 1004.0 997.8 1005.9 1007.2 1010.2 1013.9 1013.4 997.8 DAY 14 16 2 30 30 30 9 13 7 4 1 19 1999 1007.9 1006.6 1007.1 1008.0 1002.3 999.6 1002.1 1003.3 1006.3 1013.1 1013.2 1012.3 999.6 DAY 19 6 3 15 21 26 11 7 16 25 26 16 2000 1007.1 1006.0 1008.2 1009.6 1002.9 1000.9 1000.9 1003.1 1002.0 1010.4 1012.1 1010.8 1000.9 DAY 21 8 14 18 27 25 9 4 1 2 6 16 2001 1012.4 1007.7 1004.3 1006.7 1000.9 1000.9 998.2 1003.6 1006.1 1012.4 1011.7 1014.0 998.2 DAY 20 21 26 13 26 30 11 28 1 2 12 6 2002 1010.9 1010.9 1008.2 1001.7 1004.7 998.5 1001.6 1002.1 1008.7 1013.5 1012.8 1007.8 998.5 DAY 22 26 23 4 21 21 27 9 18 29 7 25 2003 1007.9 1007.8 1007.7 1008.6 1005.0 999.5 998.6 1001.9 1006.9 1010.8 1010.2 1014.5 998.6 DAY 29 17 14 18 24 21 1 1 12 6 15 11 2004 1007.7 1010.9 1010.3 1005.0 1002.5 999.5 1001.8 1002.6 1007.6 1015.4 1024.5 1024.4 999.5 DAY 24 16 31 18 14 18 11 16 12 4 24 27 2005 1023.1 1020.8 1018.8 1017.3 1017.9 1008.6 1011.2 1014.3 1018.9 1024.6 1025.4 1024.3 1008.6 DAY 25 5 25 30 6 28 5 8 16 5 9 26 1956-2005 1004.9 1002.5 1000.3 1001.7 1000.9 998.2 996.3 999.7 1002.0 1010.1 1008.2 1007.8 996.3 YEAR-DAY 91-26 85-17 88-24 2- 4 1-26 92-28 95-17 94- 2 0- 1 96- 6 95-26 67-24 95-17 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 61 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF QFF PRESSURE IN HPA AT 0000 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1001.1 997.8 1003.0 1005.2 ****** ****** ****** ****** 1957 ****** ****** ****** ****** ****** 1002.5 999.9 1012.2 1016.1 1013.3 1018.3 1018.7 ****** 1958 1019.0 1018.3 1012.9 1010.1 1008.8 1000.7 996.5 1000.5 1004.7 1013.7 1023.3 1019.7 1010.7 1959 1020.6 1014.8 1012.8 1009.9 1005.9 1001.6 996.6 994.5 999.7 1010.4 1017.8 1024.4 1009.1 1960 1020.1 1016.3 1012.2 1010.1 1006.8 997.6 994.7 996.8 1004.8 1012.9 1018.2 1021.5 1009.3 1961 1019.8 1016.5 1010.5 1009.4 1002.8 1000.0 994.3 998.5 1000.5 1013.1 1017.4 1018.2 1008.4 1962 1019.9 1014.7 1009.9 1007.2 1005.2 ****** ****** ****** ****** ****** ****** ****** ****** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 1016.5 1015.3 1013.7 1008.6 1005.7 1000.0 996.6 1002.6 1007.9 1011.6 1017.6 1019.2 1009.6 1966 1018.6 1013.3 1010.6 1008.7 1005.6 997.8 996.8 1000.0 1005.5 1012.8 1022.8 1017.8 1009.2 1967 1020.8 1014.0 1009.3 1008.1 1005.7 999.7 994.0 998.3 1002.1 1017.3 1015.1 1018.5 1008.6 1968 1015.9 1017.4 1011.2 1010.0 1007.3 998.4 997.2 998.6 1005.9 1012.7 1018.3 1017.1 1009.2 1969 1018.6 1017.9 1010.1 1008.3 ****** ****** ****** ****** ****** ****** ****** ****** ****** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1020.1 ****** 1984 1017.2 1019.2 1010.2 1006.7 1002.6 996.2 996.2 994.5 1004.9 1014.9 1014.8 1021.3 1008.2 1985 1016.8 1009.0 1012.7 1005.0 1003.2 995.8 993.3 999.9 1004.1 1009.6 1015.4 1016.6 1006.8 1986 1017.9 1013.7 1011.6 1006.6 1003.6 994.7 996.9 1000.1 1006.8 1010.5 1014.1 1016.5 1007.8 1987 1016.2 1015.1 1007.1 1007.4 1004.5 999.0 997.8 997.4 1002.5 1014.1 1016.2 1018.1 1007.9 1988 1016.6 1014.0 1008.0 1007.0 1001.2 996.8 992.4 996.4 1001.9 1010.7 1014.7 1015.0 1006.2 1989 1017.5 1018.3 1008.6 1008.4 1004.7 996.6 996.2 998.3 1002.4 1010.0 1015.0 1015.2 1007.6 1990 1016.9 1012.5 1012.4 1005.1 1000.6 996.4 994.6 996.4 1001.7 1011.3 1015.1 1017.0 1006.7 1991 1017.0 1016.6 1010.3 1007.3 1001.0 997.5 994.2 996.7 1004.1 1011.9 1016.1 1015.3 1007.3 1992 1017.1 1011.7 1011.7 1006.7 1005.7 996.6 995.1 998.5 1005.5 1010.4 1014.9 1015.6 1007.5 1993 1018.8 1014.5 1011.8 1006.6 1003.1 997.5 996.0 999.7 1003.0 1014.3 1014.7 1019.2 1008.3 1994 1016.7 1011.8 1009.9 1008.0 1003.0 994.2 991.8 994.5 1006.8 1013.1 1012.5 1018.5 1006.7 1995 1017.8 1013.8 1011.5 1007.1 1004.9 997.4 990.7 996.3 1003.2 1010.7 1013.9 1019.7 1007.2 1996 1019.1 1012.8 1008.7 1007.0 1004.7 997.2 997.3 997.7 1000.1 1009.9 1017.4 1018.7 1007.6 1997 1014.9 1013.4 1008.0 1006.3 1004.0 996.1 990.5 995.8 1002.8 1009.4 1015.0 1015.7 1006.0 1998 1014.2 1013.2 1009.0 1005.7 1002.9 999.5 993.4 997.8 1002.1 1009.5 1014.0 1016.8 1006.5 1999 1016.3 1012.6 1008.9 1005.9 1001.2 995.1 993.2 997.4 1000.6 1008.7 1012.8 1020.0 1006.1 2000 1014.2 1013.3 1009.8 1003.9 997.1 996.0 996.3 997.7 1000.3 1009.2 1016.1 1016.2 1005.8 2001 1017.5 1013.3 1009.5 1003.7 998.3 994.2 992.2 998.4 1002.4 1008.6 1013.3 1016.8 1005.7 2002 1016.2 1013.6 1009.7 1004.5 1000.1 995.5 995.1 995.2 1003.0 1009.1 1014.9 1015.7 1006.1 2003 1015.4 1009.5 1009.5 1005.7 1003.9 995.0 991.1 997.2 1002.0 1008.7 1015.4 1018.9 1006.0 2004 1013.3 1013.3 1010.5 1004.7 999.9 995.2 996.0 995.7 1004.0 1012.3 1011.4 1014.7 1005.9 2005 1014.5 1010.9 1006.3 1005.9 1001.3 993.9 991.6 994.6 998.9 1007.6 1013.3 1015.0 1004.5 MEAN 1017.3 1014.2 1010.3 1007.0 1003.4 997.4 994.9 998.2 1003.6 1011.4 1015.8 1017.9 1007.6 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 62 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MAX. OF QFF PRESSURE IN HPA AT 0000 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1008.8 1008.7 1011.9 1012.3 ****** ****** ****** ****** DAY ** ** ** ** ** 7 18 30 30 ** ** ** 1957 ****** ****** ****** ****** ****** 1006.5 1008.8 1021.9 1026.0 1021.3 1031.9 1029.3 ****** DAY ** ** ** ** ** 18 29 23 9 21 25 30 1958 1026.4 1023.8 1018.7 1016.5 1019.1 1006.9 1004.2 1004.5 1011.6 1019.9 1029.7 1026.1 1029.7 DAY 3 14 2 2 14 3 16 26 29 23 24 27 1959 1027.8 1023.2 1021.2 1016.9 1014.4 1005.7 1001.9 999.3 1006.9 1019.9 1023.4 1033.6 1033.6 DAY 3 23 10 9 5 4 8 29 26 22 22 17 1960 1027.5 1027.8 1026.3 1019.1 1016.0 1003.8 999.9 999.8 1009.7 1022.6 1025.6 1028.9 1028.9 DAY 30 2 21 8 6 15 29 15 25 31 27 6 1961 1030.9 1026.2 1025.1 1018.1 1012.0 1009.7 998.6 1003.8 1009.4 1022.6 1024.3 1028.0 1030.9 DAY 11 23 5 19 2 2 3 10 29 29 26 3 1962 1029.5 1025.9 1022.5 1015.1 1010.6 ****** ****** ****** ****** ****** ****** ****** ****** DAY 20 11 4 19 17 ** ** ** ** ** ** ** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1965 1026.4 1023.3 1023.6 1014.1 1012.8 1007.7 1000.9 1006.8 1011.7 1017.9 1030.2 1027.2 1030.2 DAY 17 1 18 11 22 4 10 10 30 29 15 23 1966 1024.9 1021.4 1022.8 1020.4 1011.6 1008.2 1007.2 1005.8 1009.9 1019.7 1028.4 1027.9 1028.4 DAY 2 26 3 6 13 3 4 17 5 31 26 8 1967 1031.0 1025.0 1023.8 1017.3 1014.8 1008.5 1000.1 1002.5 1006.2 1022.0 1018.5 1026.2 1031.0 DAY 7 21 1 4 3 8 15 29 14 26 18 2 1968 1030.3 1028.9 1025.0 1016.4 1014.5 1009.4 1003.4 1006.9 1012.0 1020.3 1024.9 1026.1 1030.3 DAY 20 7 28 9 1 1 16 29 20 17 23 22 1969 1028.1 1030.1 1017.8 1013.8 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 7 4 25 15 ** ** ** ** ** ** ** ** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1027.8 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 22 1984 1028.2 1027.8 1019.1 1013.9 1007.6 1001.6 999.6 997.6 1011.4 1024.8 1019.9 1028.5 1028.5 DAY 5 20 4 2 3 4 23 28 27 22 28 19 1985 1022.8 1019.3 1027.6 1013.1 1012.4 999.9 997.0 1005.2 1008.8 1015.4 1021.6 1023.7 1027.6 DAY 5 25 6 2 13 2 16 30 27 24 18 9 1986 1029.3 1020.5 1020.9 1012.4 1011.2 1003.0 1001.9 1005.2 1011.9 1017.8 1024.8 1026.0 1029.3 DAY 25 14 18 15 20 6 23 30 23 20 16 7 1987 1023.5 1023.6 1017.0 1013.9 1011.6 1008.0 1006.1 1002.4 1011.0 1022.5 1030.3 1033.0 1033.0 DAY 13 8 23 23 1 2 29 9 27 30 30 1 1988 1027.2 1026.8 1018.9 1019.2 1007.2 1004.8 998.4 1002.0 1009.8 1016.1 1022.8 1030.8 1030.8 DAY 4 8 26 4 3 1 31 27 30 4 26 30 1989 1027.3 1027.7 1017.8 1017.3 1014.2 1000.2 999.9 1002.8 1015.7 1018.6 1020.3 1021.4 1027.7 DAY 19 26 1 1 2 3 20 31 24 27 11 19 1990 1030.3 1026.0 1022.1 1011.4 1008.1 1006.3 1000.8 1000.5 1008.2 1020.6 1023.3 1032.0 1032.0 DAY 27 1 22 12 16 1 16 16 26 19 24 29 1991 1027.9 1033.8 1020.2 1016.6 1010.5 1003.4 999.1 1001.6 1013.7 1014.3 1021.9 1025.2 1033.8 DAY 13 16 18 15 9 22 2 29 28 17 30 18 1992 1031.8 1024.5 1027.5 1013.7 1012.5 1003.3 999.2 1003.9 1010.6 1016.0 1021.0 1025.2 1031.8 DAY 10 17 13 21 3 2 16 16 2 30 19 11 1993 1025.8 1023.3 1019.5 1016.6 1011.0 1005.0 1000.2 1003.7 1007.9 1021.4 1022.4 1026.8 1026.8 DAY 3 8 24 1 10 24 27 7 24 9 23 7 1994 1026.0 1021.8 1019.2 1022.4 1009.5 1001.4 997.9 997.9 1016.0 1023.0 1017.4 1031.3 1031.3 DAY 19 21 4 6 8 1 14 17 23 10 3 8 1995 1025.0 1020.0 1019.7 1013.4 1012.9 1008.8 995.8 999.6 1008.6 1021.0 1026.8 1025.7 1026.8 DAY 8 26 3 8 27 2 29 11 23 27 28 11 1996 1026.2 1023.0 1014.0 1017.3 1010.5 1000.4 1005.6 1003.6 1007.1 1019.4 1031.1 1025.9 1031.1 DAY 28 14 30 7 4 1 4 31 26 21 19 4 1997 1023.3 1026.2 1018.7 1015.3 1014.4 1001.8 993.2 1001.2 1009.0 1014.0 1022.2 1029.1 1029.1 DAY 20 8 12 14 7 4 1 29 18 18 30 29 1998 1023.1 1024.9 1017.0 1016.1 1010.7 1004.3 999.3 1002.3 1007.8 1016.1 1019.0 1025.6 1025.6 DAY 23 24 12 12 7 7 23 9 13 11 26 10 1999 1028.3 1019.7 1018.0 1013.0 1006.8 1004.4 997.4 1003.4 1012.4 1013.0 1021.2 1026.3 1028.3 DAY 3 2 20 12 13 1 29 19 30 28 15 6 2000 1025.6 1023.2 1018.6 1011.2 1003.7 1001.7 1003.0 1002.2 1006.4 1015.0 1024.7 1024.2 1025.6 DAY 31 11 4 3 6 14 21 21 29 7 17 18 2001 1028.5 1023.2 1021.4 1011.8 1003.9 999.9 999.4 1004.4 1011.0 1016.0 1022.3 1026.0 1028.5 DAY 29 1 12 4 1 4 30 15 22 11 21 18 2002 1025.1 1025.4 1022.1 1014.4 1006.0 1001.0 1000.4 1000.9 1009.0 1012.4 1023.7 1026.0 1026.0 DAY 28 2 12 2 10 25 31 1 29 27 19 5 2003 1021.4 1020.5 1028.8 1011.0 1014.4 1003.4 994.7 1002.5 1011.4 1013.3 1028.5 1031.8 1031.8 DAY 13 1 3 3 3 1 13 5 28 17 25 14 2004 1026.7 1024.2 1019.3 1011.0 1005.7 1001.4 1000.5 1001.9 1012.2 1017.8 1020.3 1027.5 1027.5 DAY 1 9 24 3 7 2 18 31 27 27 30 4 2005 1023.2 1021.5 1013.8 1016.4 1007.8 1001.0 995.9 998.9 1002.6 1014.7 1020.5 1024.3 1024.3 DAY 14 18 28 9 8 6 30 27 25 25 28 30 1956-2005 1031.8 1033.8 1028.8 1022.4 1019.1 1009.7 1008.8 1021.9 1026.0 1024.8 1031.9 1033.6 1033.8 YEAR-DAY 92-10 91-16 3- 3 94- 6 58-14 61- 2 57-29 57-23 57- 9 84-22 57-25 59-17 91-16 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 63 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MIN. OF QFF PRESSURE IN HPA AT 0000 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 992.8 984.2 997.2 1000.0 ****** ****** ****** ****** DAY ** ** ** ** ** 4 23 5 13 ** ** ** 1957 ****** ****** ****** ****** ****** 997.9 990.6 1003.9 1004.8 1005.0 1010.2 1004.1 ****** DAY ** ** ** ** ** 29 14 8 19 11 18 7 1958 1012.6 1012.3 1008.7 1005.6 1005.1 994.7 986.2 996.3 999.2 1007.4 1011.4 1010.3 986.2 DAY 31 23 23 30 4 21 10 3 4 10 7 10 1959 1007.8 1005.6 999.3 1003.3 995.6 990.3 989.8 989.5 993.9 1002.9 1008.1 1017.3 989.5 DAY 23 17 1 19 31 29 3 3 7 5 26 13 1960 1009.8 1009.7 1000.8 1001.6 996.5 991.6 988.3 992.5 996.4 1003.6 1006.4 1014.4 988.3 DAY 27 29 9 21 17 30 2 12 2 9 20 3 1961 1011.0 1007.0 1002.6 1001.2 992.3 988.2 990.0 994.2 995.2 1004.8 1008.7 1008.5 988.2 DAY 27 16 10 2 29 7 14 5 11 2 24 22 1962 1011.6 1007.4 1000.1 997.0 999.4 ****** ****** ****** ****** ****** ****** ****** ****** DAY 9 8 29 6 11 ** ** ** ** ** ** ** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1965 1004.2 1006.6 1005.7 1001.9 999.2 991.7 992.1 996.5 1004.4 1004.6 1009.3 1011.3 991.7 DAY 11 10 24 21 30 25 12 1 5 25 10 21 1966 1012.5 1004.0 998.0 1000.8 998.5 988.5 992.1 993.2 1000.8 1004.0 1018.8 1007.3 988.5 DAY 28 15 20 24 27 27 18 6 2 2 17 13 1967 1008.6 1006.8 997.1 1000.4 997.5 993.0 987.4 994.1 998.2 1009.9 1010.5 1005.1 987.4 DAY 22 13 24 27 19 6 11 6 8 22 17 24 1968 1005.0 1005.9 999.1 1001.5 1000.9 991.2 990.8 993.0 999.2 1005.3 1011.5 1008.3 990.8 DAY 23 3 19 24 17 21 12 14 8 6 18 5 1969 1003.1 1009.2 1000.2 1001.6 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 25 22 24 18 ** ** ** ** ** ** ** ** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1010.6 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 31 1984 1005.2 1006.3 999.5 1001.4 994.3 991.8 992.7 991.5 996.2 1005.7 1006.9 1010.7 991.5 DAY 17 9 14 25 30 21 16 8 1 19 16 15 1985 1009.3 997.0 1000.8 997.5 995.8 991.0 990.7 993.8 996.0 1002.8 1008.5 1004.0 990.7 DAY 18 17 25 25 22 19 29 1 8 12 8 20 1986 1001.9 1004.7 1001.2 1000.2 997.5 986.7 992.6 995.2 1002.4 1004.2 1004.0 1004.9 986.7 DAY 20 16 9 30 11 21 20 5 30 1 8 31 1987 1006.2 1003.6 998.8 999.8 999.8 992.7 989.8 992.0 997.1 1002.1 1010.2 1004.0 989.8 DAY 3 11 20 20 24 12 4 30 2 9 7 14 1988 1006.3 1007.1 995.3 999.2 996.0 987.8 988.2 992.7 995.5 1005.4 1008.0 1006.0 987.8 DAY 29 18 24 24 25 24 9 7 1 31 29 26 1989 1006.4 1003.2 997.8 1000.3 997.0 992.9 993.5 993.2 995.7 1002.1 1010.2 1009.0 992.9 DAY 5 23 29 30 30 12 13 2 12 2 20 5 1990 1008.4 1000.8 1004.2 993.8 993.0 990.6 986.4 992.5 995.8 1003.2 1006.1 1003.7 986.4 DAY 2 16 3 16 13 28 5 1 3 2 1 26 1991 1001.5 1006.8 999.7 999.8 993.0 990.6 988.8 992.1 998.3 1006.6 1007.6 1004.6 988.8 DAY 26 4 7 11 29 13 15 13 3 5 5 26 1992 1006.9 1005.6 1000.4 997.0 999.8 986.8 991.9 992.2 1001.3 1004.9 1006.6 1009.1 986.8 DAY 31 21 31 19 21 27 24 2 19 6 26 4 1993 1005.5 1006.0 999.7 1000.9 997.0 992.2 991.2 994.3 998.8 1002.6 1005.7 1007.6 991.2 DAY 9 22 22 14 29 21 14 12 4 3 14 5 1994 1004.8 1004.0 1002.8 1000.7 998.9 986.9 987.5 988.6 994.6 1004.5 1002.5 1004.2 986.9 DAY 17 12 13 3 11 29 1 2 1 3 26 4 1995 1010.7 1003.9 999.1 1001.5 998.6 989.9 985.0 992.2 999.4 1003.0 1003.1 1012.3 985.0 DAY 13 24 27 16 11 17 17 3 1 8 26 5 1996 1009.0 1005.4 1003.0 999.5 997.3 992.3 993.8 993.4 992.3 1001.8 1008.2 1012.0 992.3 DAY 7 6 27 11 30 10 12 9 20 7 29 15 1997 1003.7 1003.1 997.6 998.5 998.0 988.6 986.1 991.3 996.2 1002.4 1007.2 1004.4 986.1 DAY 18 28 30 11 5 20 16 1 4 1 13 11 1998 1006.6 1000.4 1001.7 998.5 995.0 993.4 983.2 993.4 995.4 999.8 1006.6 1006.8 983.2 DAY 31 16 15 30 30 30 9 23 7 2 1 19 1999 1004.2 1002.4 1002.5 999.4 991.7 988.1 988.8 992.2 996.2 1004.9 1006.4 1009.3 988.1 DAY 19 6 3 9 21 26 11 7 16 25 2 16 2000 1003.0 1002.4 1002.6 999.3 991.2 989.3 989.8 992.5 991.2 1002.0 1006.0 1007.3 989.3 DAY 21 8 25 23 27 27 12 4 3 2 6 12 2001 1009.1 1001.3 997.6 996.9 990.4 988.8 985.6 992.1 994.0 1003.7 1005.2 1008.2 985.6 DAY 5 21 26 30 26 30 12 28 1 2 1 6 2002 1007.1 1005.2 1001.4 992.8 994.0 985.8 989.2 989.9 998.4 1006.5 1006.7 1003.5 985.8 DAY 12 26 23 4 21 21 26 9 1 15 7 22 2003 1003.3 1002.7 1000.4 999.6 994.6 987.7 986.0 989.0 996.0 1001.0 1004.1 1008.5 986.0 DAY 29 16 14 28 24 21 1 1 12 6 15 7 2004 1004.0 1003.2 1002.1 995.5 991.8 987.3 991.0 990.3 997.7 1007.0 1002.4 1005.5 987.3 DAY 15 16 31 18 14 18 11 16 12 4 24 10 2005 1004.9 1002.3 997.4 993.6 994.9 981.6 984.9 989.0 994.0 1000.7 1003.6 1004.1 981.6 DAY 25 5 25 30 6 28 5 8 6 5 9 26 1956-2005 1001.5 997.0 995.3 992.8 990.4 981.6 983.2 988.6 991.2 999.8 1002.4 1003.5 981.6 YEAR-DAY 91-26 85-17 88-24 2- 4 1-26 5-28 98- 9 94- 2 0- 3 98- 2 4-24 2-22 5-28 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 64 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF COMPUTED QFF PRESSURE IN HPA AT 0000 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 995.4 994.9 1001.3 1003.4 ****** ****** ****** ****** 1957 ****** ****** ****** ****** ****** 1000.5 998.4 1009.4 1014.2 1012.2 1017.2 1017.6 ****** 1958 1018.0 1017.1 1011.8 1008.9 1007.7 999.8 995.3 999.3 1003.6 1012.5 1022.1 1018.5 1009.6 1959 1019.6 1013.8 1011.5 1008.8 1004.7 1000.1 995.7 993.3 999.0 1009.3 1016.9 1023.4 1008.0 1960 1019.1 1015.4 1011.6 1009.0 1005.8 996.6 993.6 996.0 1004.3 1012.0 1017.3 1020.7 1008.4 1961 1019.0 1015.7 1009.7 1008.6 1002.2 999.1 993.6 997.9 999.8 1012.5 1016.8 1017.5 1007.7 1962 1019.2 1014.2 1009.4 1006.5 1004.6 ****** ****** ****** ****** ****** ****** ****** ****** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 1015.4 1014.2 1012.6 1007.4 1004.4 998.5 995.0 1001.1 1006.7 1010.4 1016.3 1018.9 1008.4 1966 1018.4 1013.0 1010.3 1008.1 1005.0 997.1 996.1 999.1 1005.0 1012.1 1022.4 1017.5 1008.7 1967 1020.4 1013.5 1009.0 1007.6 1005.0 999.0 993.0 997.5 1001.4 1016.7 1014.7 1018.1 1008.0 1968 1015.6 1017.0 1010.8 1009.5 1006.6 997.5 996.5 997.9 1005.2 1012.2 1017.7 1016.7 1008.6 1969 1018.1 1017.5 1009.6 1007.8 ****** ****** ****** ****** ****** ****** ****** ****** ****** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1019.6 ****** 1984 1016.4 1018.2 1009.5 1005.8 1001.7 995.3 995.4 993.5 1003.9 1014.2 1014.3 1020.2 1007.4 1985 1015.9 1008.6 1011.8 1004.3 1002.3 995.0 992.2 999.1 1003.5 1008.8 1014.7 1015.6 1006.0 1986 1017.0 1012.8 1010.9 1005.8 1002.6 993.8 996.2 999.2 1006.0 1009.8 1013.2 1015.5 1006.9 1987 1015.3 1014.4 1006.4 1006.4 1003.4 998.1 996.8 996.6 1001.5 1012.9 1015.4 1017.2 1007.0 1988 1015.7 1013.2 1007.2 1006.4 1000.2 995.8 991.3 995.4 1000.9 1010.0 1014.0 1014.2 1005.4 1989 1016.5 1017.5 1008.0 1007.7 1003.8 995.8 995.2 997.5 1001.6 1009.2 1014.3 1014.4 1006.8 1990 1015.8 1011.7 1011.7 1004.4 999.8 995.6 993.4 995.4 1000.9 1010.3 1014.5 1016.1 1005.8 1991 1016.2 1015.7 1009.7 1006.6 1000.3 996.6 993.3 995.6 1003.2 1011.1 1015.4 1014.4 1006.5 1992 1016.1 1011.0 1011.0 1006.0 1004.8 995.6 994.3 997.6 1004.7 1009.6 1014.2 1014.9 1006.7 1993 1017.8 1013.6 1011.3 1005.6 1002.2 996.4 995.2 998.8 1002.2 1013.6 1014.0 1018.4 1007.4 1994 1015.9 1011.1 1009.2 1007.2 1002.1 993.1 990.7 993.6 1006.1 1012.2 1011.6 1017.6 1005.9 1995 1017.0 1013.1 1010.8 1006.3 1004.0 996.5 989.6 995.5 1002.5 1009.9 1013.2 1018.7 1006.4 1996 1018.1 1012.0 1008.0 1006.3 1003.8 996.3 996.4 997.7 1000.2 1009.8 1017.4 1018.6 1007.0 1997 1014.9 1013.4 1008.1 1006.3 1004.0 996.3 990.8 995.8 1002.7 1009.5 1014.9 1015.6 1006.0 1998 1014.0 1013.1 1009.0 1005.7 1002.8 999.3 993.4 997.7 1002.1 1009.2 1014.0 1016.9 1006.4 1999 1016.3 1012.5 1008.7 1005.8 1001.2 994.9 993.3 997.3 1000.5 1008.5 1012.8 1019.9 1006.0 2000 1014.2 1013.3 1009.6 1003.9 996.9 995.7 996.0 997.6 1000.0 1008.9 1015.9 1016.0 1005.7 2001 1017.3 1013.0 1009.2 1003.3 997.9 993.8 992.1 998.0 1002.1 1008.4 1013.1 1016.4 1005.4 2002 1015.9 1013.4 1009.6 1004.1 999.8 995.3 994.9 995.1 1002.8 1008.9 1014.9 1015.6 1005.9 2003 1015.3 1009.5 1009.3 1005.6 1003.8 995.0 990.9 997.1 1002.0 1008.7 1015.3 1018.9 1005.9 2004 1013.3 1013.3 1010.4 1004.5 999.8 995.2 995.8 995.7 1004.0 1012.4 1026.0 1029.9 1008.3 2005 1029.7 1025.9 1020.9 1020.2 1015.4 1007.6 1005.3 1008.4 1012.9 1021.9 1028.0 1030.0 1018.8 MEAN 1017.1 1014.1 1010.2 1006.9 1003.2 996.9 994.5 997.8 1003.4 1011.2 1016.2 1018.2 1007.5 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 65 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MAX. OF COMPUTED QFF PRESSURE IN HPA AT 0000 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1001.2 999.9 1009.2 1009.7 ****** ****** ****** ****** DAY ** ** ** ** ** 8 18 31 30 ** ** ** 1957 ****** ****** ****** ****** ****** 1004.2 1007.1 1016.8 1022.6 1019.7 1030.7 1027.6 ****** DAY ** ** ** ** ** 18 30 23 10 21 25 30 1958 1024.8 1022.7 1017.0 1015.7 1017.8 1005.7 1003.1 1003.2 1010.9 1018.5 1028.6 1024.9 1028.6 DAY 3 14 2 2 14 3 16 30 28 23 24 27 1959 1027.5 1022.0 1019.8 1016.0 1013.2 1004.7 1003.6 997.1 1005.9 1017.4 1023.0 1034.1 1034.1 DAY 3 23 10 9 5 4 20 29 27 21 22 16 1960 1026.4 1026.3 1025.9 1017.4 1016.4 1002.6 999.3 998.5 1012.0 1020.4 1025.0 1028.1 1028.1 DAY 30 2 21 8 6 15 30 15 6 31 27 6 1961 1029.7 1025.7 1023.2 1016.9 1010.7 1008.9 998.0 1002.7 1008.6 1022.1 1023.8 1027.0 1029.7 DAY 11 23 5 19 2 10 3 10 30 31 26 4 1962 1029.1 1025.4 1021.5 1013.8 1010.2 ****** ****** ****** ****** ****** ****** ****** ****** DAY 19 11 4 19 17 ** ** ** ** ** ** ** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1965 1025.2 1022.1 1021.8 1013.0 1011.6 1006.0 999.4 1005.1 1010.6 1016.8 1022.3 1026.8 1026.8 DAY 17 26 17 11 22 4 10 10 30 29 25 23 1966 1024.5 1021.3 1022.3 1020.3 1011.3 1006.9 1000.1 1005.3 1009.6 1019.0 1028.0 1027.7 1028.0 DAY 2 26 3 6 13 2 4 17 5 31 26 8 1967 1030.4 1024.5 1023.4 1016.9 1014.2 1007.9 999.3 1001.3 1005.4 1021.6 1018.0 1025.8 1030.4 DAY 7 21 1 4 3 8 15 31 14 26 18 29 1968 1029.0 1028.6 1024.7 1015.9 1013.9 1008.4 1002.8 1006.3 1011.5 1019.6 1024.5 1025.8 1029.0 DAY 20 7 28 9 1 1 16 30 20 30 23 24 1969 1027.6 1029.5 1017.5 1013.5 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 7 4 25 15 ** ** ** ** ** ** ** ** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1027.3 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 25 1984 1027.2 1027.4 1018.4 1013.0 1007.0 1000.8 998.9 996.5 1010.6 1024.0 1021.6 1027.2 1027.4 DAY 5 21 4 2 4 4 23 28 27 22 27 19 1985 1021.5 1018.5 1026.5 1011.7 1011.3 999.2 996.2 1004.4 1008.3 1014.5 1020.9 1023.6 1026.5 DAY 26 25 6 2 13 2 16 30 27 24 18 8 1986 1028.1 1019.4 1021.3 1010.7 1010.4 1002.2 1001.0 1004.4 1010.8 1017.0 1023.7 1025.1 1028.1 DAY 25 14 28 5 20 5 24 30 23 20 16 7 1987 1022.9 1022.4 1016.2 1012.2 1010.4 1007.0 1004.8 1001.6 1009.1 1021.4 1028.8 1032.1 1032.1 DAY 13 8 23 3 1 2 29 1 27 30 30 1 1988 1026.1 1025.8 1017.7 1018.5 1006.1 1004.0 997.3 1000.8 1008.0 1015.4 1021.6 1029.6 1029.6 DAY 4 8 26 4 3 1 31 27 30 4 26 30 1989 1026.1 1026.6 1017.2 1016.5 1013.7 999.3 998.9 1002.1 1014.9 1017.5 1018.9 1020.4 1026.6 DAY 19 26 1 1 2 3 20 31 24 27 26 19 1990 1029.2 1025.0 1021.1 1010.8 1007.3 1004.9 998.2 999.6 1007.1 1019.9 1022.7 1030.9 1030.9 DAY 27 1 23 12 16 1 16 16 26 19 24 29 1991 1026.1 1032.2 1019.1 1015.8 1009.0 1002.7 998.2 1000.6 1013.1 1014.3 1021.4 1024.1 1032.2 DAY 13 16 13 15 9 22 2 29 28 28 30 18 1992 1030.6 1023.4 1026.3 1013.0 1011.7 1002.3 998.2 1003.2 1009.9 1015.1 1020.3 1024.0 1030.6 DAY 10 17 13 21 3 2 16 16 2 30 19 11 1993 1024.6 1022.2 1018.7 1016.1 1010.1 1004.1 999.5 1002.7 1007.2 1020.9 1021.5 1025.8 1025.8 DAY 3 8 24 1 10 24 27 26 24 9 23 7 1994 1024.9 1020.8 1017.3 1021.7 1008.5 1000.6 997.0 997.1 1015.5 1021.6 1016.7 1030.4 1030.4 DAY 19 21 4 6 8 1 14 24 23 10 3 8 1995 1023.8 1019.0 1018.8 1012.3 1012.0 1007.8 995.1 999.0 1008.0 1020.0 1025.4 1024.5 1025.4 DAY 8 26 3 8 27 2 29 11 23 27 28 11 1996 1025.1 1021.7 1013.5 1016.8 1009.8 999.4 1002.6 1003.9 1007.1 1019.0 1031.0 1025.7 1031.0 DAY 28 14 30 7 4 1 4 31 26 20 19 4 1997 1023.3 1026.3 1019.6 1015.4 1014.3 1002.1 993.4 1001.2 1009.0 1014.0 1022.1 1029.3 1029.3 DAY 20 8 1 14 7 4 1 29 18 18 30 29 1998 1023.1 1024.9 1017.0 1016.0 1010.7 1004.3 999.3 1001.1 1007.1 1016.0 1019.0 1025.4 1025.4 DAY 23 24 12 12 7 7 22 31 14 11 26 10 1999 1028.4 1019.2 1017.6 1013.0 1006.6 1003.6 997.5 1003.1 1011.6 1012.8 1021.2 1026.2 1028.4 DAY 3 2 20 12 13 1 29 19 30 28 15 6 2000 1025.6 1023.1 1018.4 1011.2 1003.6 1001.8 1002.4 1002.0 1006.2 1014.4 1024.3 1024.1 1025.6 DAY 31 11 4 3 6 17 21 21 29 7 17 18 2001 1028.2 1022.9 1021.4 1011.5 1003.3 999.8 999.3 1004.5 1010.6 1015.5 1022.1 1025.3 1028.2 DAY 29 1 12 4 1 4 30 15 22 11 21 18 2002 1024.8 1025.1 1021.9 1014.4 1005.5 1000.4 1000.3 1000.5 1008.5 1011.8 1023.7 1026.1 1026.1 DAY 28 2 12 2 10 25 31 1 29 26 19 5 2003 1021.3 1020.5 1028.0 1011.2 1014.3 1003.4 994.7 1002.5 1011.4 1013.4 1028.3 1031.7 1031.7 DAY 13 1 3 3 3 1 13 5 28 17 25 14 2004 1026.6 1024.1 1019.2 1011.0 1005.7 1001.4 1000.1 1001.9 1012.1 1017.8 1035.5 1042.9 1042.9 DAY 1 9 24 3 7 2 18 31 27 27 30 4 2005 1038.8 1037.0 1028.6 1031.4 1021.0 1015.0 1009.7 1012.8 1016.7 1029.5 1035.7 1039.7 1039.7 DAY 14 18 28 9 8 6 30 27 25 25 28 30 1956-2005 1038.8 1037.0 1028.6 1031.4 1021.0 1015.0 1009.7 1016.8 1022.6 1029.5 1035.7 1042.9 1042.9 YEAR-DAY 5-14 5-18 5-28 5- 9 5- 8 5- 6 5-30 57-23 57-10 5-25 5-28 4- 4 4- 4 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 66 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MIN. OF COMPUTED QFF PRESSURE IN HPA AT 0000 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 989.6 989.7 995.8 998.6 ****** ****** ****** ****** DAY ** ** ** ** ** 3 11 5 13 ** ** ** 1957 ****** ****** ****** ****** ****** 996.3 990.2 1002.1 1004.0 1004.3 1009.6 1005.7 ****** DAY ** ** ** ** ** 29 18 15 19 11 18 7 1958 1011.7 1011.2 1008.3 1004.6 1004.3 994.0 985.1 994.8 997.8 1006.1 1010.4 1009.6 985.1 DAY 31 23 25 30 3 22 10 3 5 10 7 10 1959 1004.8 1004.8 998.7 1002.0 994.7 989.0 988.8 988.2 993.3 1001.8 1006.7 1016.3 988.2 DAY 23 17 1 19 31 29 3 3 7 5 26 13 1960 1009.4 1008.7 1000.7 1001.3 995.7 991.1 987.9 992.2 996.2 1001.8 1005.2 1013.8 987.9 DAY 27 29 9 21 17 30 2 12 2 9 20 3 1961 1007.5 1006.0 1002.4 1000.0 991.3 986.9 988.9 992.9 993.9 1004.0 1008.0 1007.5 986.9 DAY 22 16 13 2 29 7 15 5 11 3 24 23 1962 1011.4 1007.1 1000.6 996.3 998.4 ****** ****** ****** ****** ****** ****** ****** ****** DAY 9 28 29 6 11 ** ** ** ** ** ** ** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1965 1003.1 1005.6 1004.5 1000.7 997.7 990.3 990.5 995.2 1002.9 1003.5 1008.4 1011.2 990.3 DAY 11 10 24 21 30 25 12 1 5 25 10 21 1966 1011.8 1003.8 997.7 1000.1 997.5 987.5 991.5 992.5 1000.1 1003.3 1018.5 1007.0 987.5 DAY 31 15 20 24 27 27 18 6 2 2 19 13 1967 1008.0 1006.4 997.0 1000.0 996.8 992.4 986.2 993.1 997.3 1009.2 1010.0 1004.9 986.2 DAY 22 13 24 26 19 6 10 6 8 22 17 24 1968 1004.8 1005.6 998.9 1000.8 1000.3 990.3 989.5 992.1 998.5 1004.7 1011.0 1007.6 989.5 DAY 23 3 19 24 17 21 12 14 8 11 18 5 1969 1002.6 1008.8 999.8 1001.1 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 25 22 24 18 ** ** ** ** ** ** ** ** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1009.8 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 31 1984 1007.0 1005.7 998.5 1000.5 993.5 991.0 991.8 990.6 995.4 1004.7 1006.3 1009.4 990.6 DAY 29 9 13 25 30 21 16 8 1 19 16 15 1985 1008.6 996.9 999.0 996.6 995.1 990.3 989.3 992.9 995.0 1001.8 1008.0 1003.4 989.3 DAY 18 17 25 25 22 19 28 1 8 12 8 20 1986 1001.5 1004.2 1001.0 999.5 997.0 985.7 992.5 994.3 1001.6 1003.1 1003.2 1004.4 985.7 DAY 20 16 9 30 11 21 19 5 30 1 8 31 1987 1005.4 1003.0 998.3 998.4 998.6 992.0 989.0 990.7 996.1 1001.2 1006.7 1004.0 989.0 DAY 3 11 20 20 24 12 4 30 2 9 8 14 1988 1005.9 1006.3 994.7 998.4 994.7 986.8 987.1 991.8 994.5 1004.4 1007.5 1005.3 986.8 DAY 27 18 24 24 30 24 9 7 1 11 29 26 1989 1005.7 1002.5 997.6 999.5 995.8 991.9 991.8 992.0 994.8 1001.2 1009.4 1008.5 991.8 DAY 5 23 29 30 30 8 18 2 12 2 20 5 1990 1007.8 999.9 1003.6 993.2 992.1 989.7 985.4 991.5 994.9 1002.2 1005.4 1003.3 985.4 DAY 2 16 25 16 13 28 5 1 3 2 1 26 1991 1000.7 1006.3 999.2 999.1 993.0 989.9 987.9 990.7 997.2 1006.0 1006.5 1004.4 987.9 DAY 26 4 7 11 29 13 15 13 4 5 7 26 1992 1006.3 1005.2 999.7 996.5 998.9 985.8 991.1 991.2 1000.5 1004.1 1005.9 1008.6 985.8 DAY 31 21 31 19 21 27 19 2 19 7 26 4 1993 1004.8 1005.3 999.0 997.2 996.0 990.8 990.4 993.1 998.1 1001.8 1004.9 1007.2 990.4 DAY 9 22 22 13 29 21 9 13 4 3 14 5 1994 1004.4 1003.6 1002.0 1000.0 998.1 986.0 986.4 987.5 993.9 1003.8 1002.0 1003.3 986.0 DAY 17 12 13 3 11 29 1 4 1 3 26 4 1995 1010.3 1003.4 998.4 1000.6 997.7 988.7 983.4 991.4 998.6 1002.1 1002.7 1011.7 983.4 DAY 13 24 27 16 14 18 17 3 1 13 26 5 1996 1008.1 1005.1 1002.5 999.0 996.4 990.7 992.8 993.4 992.5 1002.1 1008.1 1011.8 990.7 DAY 7 6 27 11 30 6 12 9 20 7 10 30 1997 1003.9 1003.2 997.4 998.4 998.0 988.7 986.6 991.0 995.9 1002.5 1007.0 1004.3 986.6 DAY 18 28 30 11 5 20 16 1 4 1 13 11 1998 1005.5 999.9 1001.1 998.6 995.2 993.3 984.1 993.9 995.8 1000.0 1005.6 1006.5 984.1 DAY 6 16 2 30 30 30 9 3 7 2 1 19 1999 1004.4 1001.8 1002.7 999.6 991.4 987.1 989.0 992.4 995.5 1005.1 1006.5 1009.0 987.1 DAY 19 6 3 9 21 26 11 7 16 25 2 16 2000 1002.7 1002.5 1002.7 999.3 991.0 988.9 989.2 992.2 990.6 1001.5 1005.5 1007.2 988.9 DAY 21 8 14 23 27 26 9 4 3 2 6 12 2001 1008.7 1001.0 997.4 996.9 990.0 988.5 985.8 991.3 993.9 1003.3 1004.6 1007.8 985.8 DAY 5 21 26 30 26 30 11 28 1 2 1 6 2002 1006.5 1004.6 1001.1 992.5 993.7 986.0 989.4 990.2 997.8 1006.2 1006.8 1003.6 986.0 DAY 12 26 23 4 21 21 27 18 1 15 7 22 2003 1003.3 1002.6 1000.3 999.6 994.6 987.5 985.7 988.9 996.0 1001.0 1004.1 1008.4 985.7 DAY 29 16 14 28 24 21 26 1 12 6 15 7 2004 1004.0 1003.1 1001.9 995.5 991.6 987.7 990.8 990.3 997.7 1007.5 1016.7 1020.0 987.7 DAY 15 16 31 18 14 18 11 16 12 5 24 10 2005 1019.8 1017.0 1011.6 1007.6 1008.9 994.9 998.3 1002.8 1007.8 1014.6 1018.0 1018.6 994.9 DAY 25 5 25 30 6 28 5 8 6 5 9 26 1956-2005 1000.7 996.9 994.7 992.5 990.0 985.7 983.4 987.5 990.6 1000.0 1002.0 1003.3 983.4 YEAR-DAY 91-26 85-17 88-24 2- 4 1-26 86-21 95-17 94- 4 0- 3 98- 2 94-26 90-26 95-17 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 67 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF QFE PRESSURE IN HPA AT 0300 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 885.5 885.1 890.0 891.9 897.7 899.5 899.9 ****** 1957 895.9 897.3 894.8 893.5 892.1 889.6 888.2 897.8 900.3 897.4 898.9 897.9 895.3 1958 897.8 897.4 895.5 895.0 894.6 889.0 885.8 888.8 891.5 897.1 901.3 898.5 894.4 1959 898.0 894.1 895.1 894.6 892.0 889.4 886.0 884.5 888.3 895.7 898.4 901.2 893.1 1960 898.9 897.5 893.6 893.9 893.0 887.3 885.1 886.4 892.3 897.5 899.3 899.8 893.7 1961 898.4 896.3 893.9 893.7 890.9 889.0 884.5 887.7 889.0 897.2 898.5 897.7 893.1 1962 898.2 895.9 893.8 892.4 891.2 889.1 886.6 889.6 892.9 898.0 901.1 898.6 894.0 1963 898.1 896.7 892.9 892.1 889.8 888.2 886.1 887.2 892.4 896.9 897.8 898.6 893.1 1964 899.7 895.6 894.8 891.4 891.4 887.0 884.7 885.0 891.7 898.3 899.1 901.3 893.3 1965 895.5 894.7 895.3 891.6 891.8 888.3 885.7 890.0 894.2 897.1 899.3 898.7 893.5 1966 899.6 895.4 893.9 893.7 893.4 888.1 886.5 888.9 892.9 897.7 902.9 898.0 894.2 1967 899.6 895.2 892.7 892.8 892.9 888.8 884.6 887.2 891.3 898.7 897.8 897.6 893.3 1968 895.9 896.5 894.7 894.5 893.6 888.2 887.2 888.0 893.1 897.7 900.2 897.5 893.9 1969 897.0 897.3 894.8 893.8 892.0 888.8 885.4 889.7 893.9 896.9 900.2 899.0 894.1 1970 897.3 896.2 895.2 895.3 891.7 887.5 885.7 885.8 891.4 896.3 899.3 898.2 893.3 1971 898.8 893.7 895.7 892.2 890.0 884.4 885.7 886.7 893.2 896.9 898.7 896.3 892.7 1972 897.1 897.6 893.9 892.9 891.3 888.0 885.9 890.0 893.3 898.0 897.9 898.8 893.7 1973 898.8 895.6 894.7 892.6 890.1 885.3 883.7 887.5 891.8 896.8 898.3 898.7 892.8 1974 896.0 896.5 895.5 891.6 890.7 886.9 885.0 886.8 891.4 898.0 899.1 897.5 892.9 1975 897.7 894.7 894.1 894.2 891.4 887.3 885.3 886.1 891.4 895.0 898.8 898.5 892.9 1976 895.6 894.7 893.6 893.4 891.4 888.1 883.6 887.0 891.2 895.2 900.2 899.2 892.8 1977 896.4 898.6 896.6 891.9 891.2 885.8 882.9 887.3 893.1 896.6 897.7 897.6 893.0 1978 897.8 896.4 894.1 891.7 890.2 886.1 885.8 886.8 891.6 897.5 898.3 897.8 892.8 1979 897.6 894.2 894.1 894.0 893.3 888.9 886.7 888.7 893.9 897.3 899.9 897.6 893.9 1980 896.1 895.2 894.2 893.1 891.2 887.3 887.0 887.0 892.3 895.3 898.3 897.2 892.8 1981 897.0 894.8 893.2 892.5 891.3 888.2 885.7 888.1 894.0 898.3 897.6 897.9 893.2 1982 896.0 893.9 893.1 892.8 893.5 888.2 886.2 885.9 893.5 896.4 897.1 898.5 892.9 1983 897.0 895.5 894.2 892.8 891.1 888.5 886.0 885.8 890.1 896.6 899.5 898.4 893.0 1984 895.9 897.7 894.0 892.3 890.0 886.1 885.7 884.7 891.9 898.2 897.5 898.7 892.7 1985 896.0 891.6 894.7 890.6 890.5 885.9 884.4 888.7 891.3 895.1 897.7 896.7 891.9 1986 896.8 894.1 893.4 892.3 892.0 885.3 886.9 889.0 893.4 896.5 895.9 895.5 892.6 1987 896.1 896.6 891.1 893.6 892.5 888.5 887.9 887.5 891.4 897.6 898.5 898.2 893.3 1988 895.8 894.7 891.7 892.6 890.4 887.4 883.5 886.3 890.8 896.2 897.9 896.1 891.9 1989 895.4 896.7 892.2 893.5 891.9 887.4 886.8 887.7 890.5 895.9 897.9 896.1 892.7 1990 895.9 893.2 895.2 891.3 889.7 886.7 885.1 886.8 890.2 896.5 898.1 897.2 892.2 1991 896.2 895.9 893.1 893.1 889.0 887.5 884.8 886.6 892.3 897.0 898.5 896.2 892.5 1992 895.9 893.1 893.6 892.0 892.6 887.2 885.8 888.3 892.8 895.6 898.1 896.5 892.6 1993 896.6 895.7 894.6 892.7 891.5 887.6 886.6 889.1 891.3 898.8 897.8 898.9 893.4 1994 896.6 893.3 893.8 893.7 891.5 885.2 883.1 885.5 893.8 897.8 896.7 898.2 892.4 1995 897.7 895.1 894.0 892.6 892.2 887.4 882.4 886.7 891.5 896.0 897.0 898.8 892.6 1996 897.2 894.1 892.2 893.0 892.2 887.6 887.5 888.3 889.9 895.9 899.5 899.3 893.1 1997 895.7 895.0 892.1 892.2 892.4 887.5 883.4 887.0 892.2 896.0 897.8 896.7 892.3 1998 894.7 895.0 893.7 893.0 892.2 889.7 885.5 888.9 891.5 895.8 898.2 899.4 893.1 1999 896.5 895.3 892.9 893.2 890.8 886.9 885.1 888.1 890.2 895.5 896.9 900.4 892.6 2000 895.3 894.9 893.7 892.3 888.4 886.7 887.0 888.1 890.1 895.8 898.5 897.5 892.3 2001 897.3 894.9 893.9 891.7 888.8 885.5 884.7 888.8 891.8 895.5 897.3 898.7 892.4 2002 896.7 896.1 894.6 891.5 890.0 887.2 886.9 886.6 892.3 895.9 898.3 896.7 892.7 2003 896.6 892.9 894.0 893.5 892.4 886.8 883.8 888.1 891.4 895.7 898.2 899.4 892.7 2004 894.6 895.9 895.4 892.1 889.5 887.1 887.2 887.1 892.8 898.2 909.0 908.9 894.8 2005 908.2 905.7 904.5 906.1 902.8 897.9 896.4 898.5 901.8 908.0 910.1 910.4 904.2 MEAN 897.1 895.6 894.2 893.1 891.6 887.6 885.7 887.9 892.3 897.0 899.0 898.6 893.3 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 68 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MAX. OF QFE PRESSURE IN HPA AT 0300 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 889.9 888.2 896.2 896.8 902.6 903.7 905.3 ****** DAY ** ** ** ** ** 8 30 31 30 26 14 24 1957 903.5 904.6 899.3 899.0 895.3 893.3 895.5 902.9 907.5 901.4 905.2 904.4 907.5 DAY 4 13 3 17 11 18 29 31 10 15 24 23 1958 901.8 901.2 898.4 899.4 901.2 894.0 891.4 892.0 896.0 900.4 905.2 904.2 905.2 DAY 3 14 29 2 14 3 16 25 30 23 4 6 1959 903.2 899.8 900.0 900.2 897.2 893.2 892.2 887.9 893.5 902.7 904.0 907.4 907.4 DAY 3 3 15 9 5 4 20 28 25 21 22 16 1960 903.7 904.9 900.3 901.2 899.3 893.3 890.1 889.0 896.0 903.0 904.0 906.1 906.1 DAY 19 15 21 8 6 3 17 15 25 30 16 5 1961 905.9 903.7 903.4 898.3 895.6 895.7 888.0 892.4 894.5 902.9 904.1 905.5 905.9 DAY 10 23 4 26 2 10 24 10 30 31 1 3 1962 906.3 903.5 901.6 897.4 896.2 895.2 891.4 893.2 899.5 903.3 906.8 905.4 906.8 DAY 19 11 4 19 17 2 31 27 28 27 23 1 1963 902.3 903.6 901.0 898.0 893.8 896.6 888.7 889.6 897.4 900.0 900.3 903.2 903.6 DAY 6 5 23 2 16 11 25 5 25 12 6 20 1964 907.4 902.2 900.9 898.9 895.0 894.8 888.4 889.0 898.6 901.5 904.7 905.9 907.4 DAY 31 1 18 25 10 3 17 31 29 25 30 2 1965 901.8 901.8 900.0 896.4 897.0 894.2 888.8 893.2 898.0 901.6 902.6 903.6 903.6 DAY 17 26 17 25 21 3 20 10 30 29 13 23 1966 904.3 902.0 901.6 900.4 896.8 894.8 890.2 892.8 895.5 902.4 906.3 906.3 906.3 DAY 1 26 3 6 13 3 11 17 30 31 23 8 1967 905.3 903.2 901.7 899.3 900.1 894.9 889.5 891.0 894.6 903.5 901.3 903.4 905.3 DAY 6 28 1 4 3 16 14 16 26 27 6 12 1968 903.8 903.4 903.3 899.4 898.0 896.5 891.3 894.0 896.9 903.1 904.3 903.8 904.3 DAY 20 6 28 1 1 1 16 30 21 17 23 22 1969 903.3 905.6 899.8 896.6 897.1 894.9 889.1 895.0 901.2 899.8 906.6 902.7 906.6 DAY 9 3 25 15 18 3 14 31 14 5 24 20 1970 905.0 901.7 900.4 900.6 898.2 891.0 890.5 890.4 898.1 902.2 904.9 906.0 906.0 DAY 3 8 26 27 23 16 9 30 22 28 15 30 1971 906.8 899.9 901.1 897.3 893.8 888.8 890.5 889.0 897.6 900.5 904.9 903.2 906.8 DAY 4 4 17 21 1 1 26 21 24 22 21 12 1972 905.6 904.8 900.2 897.4 898.7 895.0 889.4 893.6 898.0 903.5 902.6 907.1 907.1 DAY 5 25 16 8 24 1 25 27 23 26 24 27 1973 907.8 906.8 904.7 896.8 897.3 892.2 887.7 890.1 898.7 900.2 904.3 906.5 907.8 DAY 26 7 10 14 8 3 28 31 29 21 12 26 1974 903.6 902.8 902.0 896.2 895.4 890.1 889.3 889.4 894.5 903.3 905.4 903.3 905.4 DAY 26 4 10 13 2 1 29 14 9 15 18 21 1975 908.0 902.4 900.3 901.5 897.1 890.7 888.9 891.2 897.8 901.6 903.8 904.8 908.0 DAY 15 18 24 4 20 6 29 30 19 21 21 25 1976 899.9 902.5 900.5 897.7 895.1 893.1 886.9 890.3 894.4 901.0 905.6 905.2 905.6 DAY 1 21 27 4 13 21 23 28 13 31 12 13 1977 904.1 904.5 903.7 895.6 894.7 891.2 886.0 891.1 896.8 901.3 903.1 903.0 904.5 DAY 11 15 10 18 14 7 20 24 25 24 28 18 1978 903.9 903.5 898.3 896.5 896.0 893.1 891.8 889.6 895.9 900.7 907.1 904.6 907.1 DAY 13 6 9 6 3 5 9 25 28 11 6 25 1979 904.8 899.5 901.9 900.2 898.3 896.3 890.1 895.1 896.4 901.8 905.0 905.5 905.5 DAY 18 2 7 18 20 5 22 29 28 21 13 23 1980 901.5 901.2 899.4 900.1 896.2 893.5 891.5 892.9 897.1 900.1 903.7 902.1 903.7 DAY 10 22 15 21 1 2 18 31 24 23 3 4 1981 903.6 901.7 902.6 899.3 897.3 893.5 891.1 891.2 898.1 903.5 902.4 903.2 903.6 DAY 9 5 6 20 2 1 30 3 27 25 26 12 1982 902.7 903.0 900.4 900.3 898.5 893.0 889.1 890.7 897.2 900.6 905.7 903.4 905.7 DAY 22 20 16 5 13 5 14 28 21 26 19 10 1983 905.5 900.8 900.5 897.3 895.0 895.7 890.9 888.5 894.8 903.4 904.1 905.1 905.5 DAY 8 11 26 19 8 1 12 31 30 28 27 4 1984 904.4 903.6 900.8 896.3 892.9 890.5 888.9 887.0 896.1 904.6 903.6 904.0 904.6 DAY 5 20 4 2 26 4 4 28 26 9 27 19 1985 901.6 897.1 904.5 894.9 895.6 888.8 887.2 892.9 895.5 899.0 901.1 902.0 904.5 DAY 25 11 6 21 13 2 15 30 30 26 18 8 1986 903.9 899.2 901.5 899.0 897.2 891.5 889.3 892.1 898.0 901.3 902.8 901.0 903.9 DAY 25 23 28 5 20 2 23 30 22 15 16 7 1987 901.7 902.5 896.8 897.3 898.4 893.4 890.9 892.1 897.8 902.8 907.1 908.6 908.6 DAY 31 1 23 23 1 1 30 7 26 29 30 1 1988 907.4 904.6 897.1 899.0 893.9 893.7 887.8 889.7 895.4 901.2 902.4 905.0 907.4 DAY 3 7 18 4 3 1 31 21 25 17 16 30 1989 901.7 903.1 897.9 898.3 896.2 889.8 889.4 891.1 899.6 902.3 902.3 900.1 903.1 DAY 31 8 1 3 2 2 20 31 24 27 29 19 1990 904.2 901.5 903.9 896.0 894.4 891.7 888.9 889.7 894.6 903.9 904.1 904.5 904.5 DAY 27 1 10 12 16 1 16 16 26 19 24 28 1991 903.9 906.7 899.1 897.9 894.5 891.3 888.2 889.5 898.6 899.2 902.2 901.8 906.7 DAY 13 15 13 15 9 24 2 23 28 20 13 18 1992 906.6 899.1 903.6 897.5 896.7 892.2 889.5 892.2 896.4 900.2 903.0 902.5 906.6 DAY 10 17 13 12 29 11 6 16 2 30 4 11 1993 902.0 901.5 899.5 899.0 896.7 893.9 890.3 892.3 894.3 903.4 901.8 904.3 904.3 DAY 3 8 31 1 10 23 27 26 23 17 23 7 1994 903.9 898.2 899.3 901.6 895.3 889.7 887.2 889.2 900.1 903.4 900.8 906.5 906.5 DAY 19 21 18 5 8 1 14 16 24 10 2 8 1995 902.1 898.3 900.0 896.3 897.2 893.7 886.2 889.3 894.6 903.0 902.4 902.8 903.0 DAY 8 14 3 1 27 2 29 25 13 27 28 11 1996 902.1 899.9 896.2 898.8 895.9 890.7 893.1 892.6 895.3 901.2 908.8 905.1 908.8 DAY 28 14 30 7 7 1 4 30 25 20 19 8 1997 902.1 902.1 901.3 897.7 898.8 891.9 885.8 890.1 896.1 899.9 904.2 905.7 905.7 DAY 19 8 11 14 7 4 9 31 18 9 8 29 1998 901.1 902.2 898.7 901.7 897.7 893.8 889.8 891.8 896.3 900.1 902.3 905.6 905.6 DAY 4 23 28 12 8 6 21 26 13 26 21 10 1999 903.4 900.3 898.8 896.9 895.9 893.2 888.3 892.6 897.4 897.9 902.2 905.7 905.7 DAY 3 12 19 1 12 1 31 19 30 11 15 6 2000 904.6 902.4 898.7 897.0 893.6 891.5 890.7 891.2 894.7 899.6 906.0 903.0 906.0 DAY 31 11 4 3 6 17 26 24 29 16 17 17 2001 903.0 902.3 901.8 897.6 893.6 891.2 889.5 893.0 897.6 900.4 901.8 904.9 904.9 DAY 30 10 2 4 12 2 29 14 23 11 20 18 2002 903.2 903.4 904.2 899.0 894.8 891.7 890.2 890.9 896.1 898.9 904.2 904.4 904.4 DAY 28 5 11 1 10 25 31 2 21 10 18 4 2003 902.3 900.0 905.3 897.4 898.2 893.3 887.3 892.0 897.5 898.9 906.6 906.1 906.6 DAY 12 7 3 7 2 1 3 5 27 16 23 12 2004 902.9 901.8 900.6 896.7 893.3 892.9 890.7 890.8 898.1 901.6 915.4 920.0 920.0 DAY 1 10 23 13 27 7 18 30 27 27 29 4 2005 913.9 913.2 910.0 912.8 907.0 904.1 899.0 902.2 904.4 911.9 913.8 916.0 916.0 DAY 14 17 27 9 8 6 16 27 25 12 28 28 1956-2005 913.9 913.2 910.0 912.8 907.0 904.1 899.0 902.9 907.5 911.9 915.4 920.0 920.0 YEAR-DAY 5-14 5-17 5-27 5- 9 5- 8 5- 6 5-16 57-31 57-10 5-12 4-29 4- 4 4- 4 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 69 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MIN. OF QFE PRESSURE IN HPA AT 0300 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 881.6 881.7 885.8 887.9 893.1 893.0 893.7 ****** DAY ** ** ** ** ** 3 15 5 10 29 8 11 1957 886.1 886.4 889.6 888.6 889.1 882.1 880.8 891.7 891.6 892.2 892.4 890.2 880.8 DAY 12 5 7 4 21 7 13 8 28 11 18 7 1958 895.2 893.8 893.8 892.2 892.1 884.6 877.0 886.0 887.4 892.6 893.2 894.0 877.0 DAY 6 6 10 30 2 21 10 2 4 10 7 31 1959 888.2 886.6 883.2 889.4 885.2 881.0 881.2 880.0 884.0 890.0 891.6 895.4 880.0 DAY 23 17 1 19 31 28 3 3 12 5 26 1 1960 892.8 892.9 886.4 889.0 886.0 882.6 880.0 882.8 885.4 892.3 890.9 892.3 880.0 DAY 27 29 25 21 31 30 9 12 2 11 20 30 1961 890.7 890.4 886.8 886.5 882.1 882.1 881.0 884.1 884.7 891.0 892.8 891.3 881.0 DAY 27 3 13 2 30 7 15 8 11 3 24 23 1962 893.1 891.2 886.7 887.3 887.3 882.8 883.2 885.5 887.4 891.7 897.1 892.7 882.8 DAY 16 28 29 6 25 10 13 3 18 10 11 25 1963 895.1 891.6 887.9 886.6 885.4 882.4 883.6 883.5 886.6 893.4 894.4 890.6 882.4 DAY 25 14 13 16 11 17 6 12 8 2 25 11 1964 886.6 890.0 889.6 882.6 886.8 879.7 880.7 881.1 886.6 890.6 887.8 894.6 879.7 DAY 19 13 4 9 13 29 11 2 5 4 28 25 1965 884.9 889.0 889.4 885.6 886.2 881.9 882.5 886.3 891.5 890.7 893.4 892.5 881.9 DAY 11 23 23 21 30 25 12 1 7 25 10 21 1966 895.4 888.0 884.8 887.6 889.3 880.9 884.2 884.5 888.8 891.2 899.1 891.1 880.9 DAY 27 10 20 24 29 27 18 5 13 2 16 12 1967 891.9 889.6 883.3 886.1 887.6 884.2 879.6 884.0 888.3 891.5 894.2 888.1 879.6 DAY 22 13 24 25 19 6 10 6 7 3 28 24 1968 888.5 886.6 886.2 886.7 889.2 882.7 881.6 883.8 887.9 892.3 895.2 891.5 881.6 DAY 25 3 19 25 17 23 12 14 8 11 19 5 1969 886.4 890.7 887.9 888.1 885.8 883.8 881.8 884.7 886.7 891.1 893.2 892.9 881.8 DAY 25 14 24 18 31 23 23 8 12 29 9 14 1970 889.2 889.6 891.0 888.7 886.6 884.0 882.0 881.8 886.1 888.7 895.3 891.4 881.8 DAY 28 24 6 20 30 9 6 7 1 9 30 15 1971 888.8 884.2 887.3 886.2 885.4 880.2 882.3 883.2 887.5 891.7 893.6 887.6 880.2 DAY 14 14 21 26 11 5 23 9 2 1 11 20 1972 890.1 890.6 886.2 886.4 886.0 880.7 881.3 881.8 888.0 894.7 893.1 891.9 880.7 DAY 30 9 18 25 3 25 6 1 12 17 8 17 1973 888.5 886.2 889.1 888.5 885.0 876.9 879.9 884.7 887.9 893.5 892.4 892.0 876.9 DAY 16 23 7 24 30 16 16 1 2 11 19 9 1974 881.1 891.3 889.6 886.4 885.5 883.4 879.3 883.2 885.0 895.6 893.4 890.9 879.3 DAY 25 27 27 30 27 26 20 11 2 1 25 27 1975 891.5 887.1 886.1 888.3 888.9 884.6 883.0 880.5 885.8 888.6 888.5 891.0 880.5 DAY 28 12 3 15 15 25 17 14 10 4 29 31 1976 890.1 888.4 885.9 888.8 887.6 882.2 880.1 884.6 887.6 890.8 887.7 891.0 880.1 DAY 7 6 14 22 25 6 20 1 3 19 29 31 1977 889.9 891.1 890.4 886.2 887.4 879.9 878.9 882.6 890.5 892.5 889.0 891.9 878.9 DAY 9 7 30 8 17 24 2 19 16 26 17 24 1978 888.7 888.5 888.8 886.3 882.2 879.3 880.2 884.3 884.9 891.0 891.9 888.8 879.3 DAY 26 12 15 20 30 22 2 8 2 1 13 17 1979 890.6 887.6 885.4 888.6 889.0 883.0 883.0 884.5 890.3 893.7 891.9 888.9 883.0 DAY 11 11 31 29 6 23 6 1 5 27 30 16 1980 887.3 887.3 886.0 888.8 887.5 882.9 884.4 883.7 889.0 892.3 892.8 891.2 882.9 DAY 24 12 2 17 29 17 3 7 20 26 25 10 1981 889.3 887.4 887.5 885.5 885.6 883.9 881.2 884.6 889.6 892.1 891.5 892.8 881.2 DAY 3 12 13 29 13 27 2 14 23 17 23 26 1982 887.2 886.8 887.2 885.3 888.6 883.7 879.9 878.9 888.3 891.7 891.6 892.5 878.9 DAY 29 14 27 19 24 28 31 1 14 21 14 7 1983 888.5 887.8 886.1 889.5 887.3 882.5 881.2 882.2 885.0 890.5 894.9 890.9 881.2 DAY 25 28 7 2 12 29 27 5 9 5 12 31 1984 886.2 888.5 885.4 888.2 885.6 882.0 882.2 882.8 885.2 892.3 892.7 891.6 882.0 DAY 17 8 13 26 29 21 16 12 1 18 16 14 1985 891.4 883.0 887.0 886.5 887.0 883.0 881.8 885.0 886.5 890.5 892.0 888.8 881.8 DAY 3 17 25 11 22 19 19 6 8 11 8 19 1986 885.7 887.0 887.5 887.7 888.0 880.3 884.0 886.2 890.0 892.5 890.4 890.0 880.3 DAY 20 16 9 30 11 20 19 4 30 1 8 28 1987 886.8 891.2 886.3 888.6 887.5 883.6 882.9 883.4 888.0 890.1 893.0 888.1 882.9 DAY 3 11 14 5 23 13 4 30 2 9 8 31 1988 888.0 889.7 882.0 888.2 887.1 881.1 880.0 883.6 886.2 891.5 892.5 887.4 880.0 DAY 29 18 24 16 25 24 8 8 1 8 29 26 1989 887.9 886.0 886.2 888.0 887.3 884.2 883.9 883.1 885.6 890.3 894.0 892.2 883.1 DAY 3 23 30 30 31 7 18 2 12 2 25 5 1990 890.0 885.1 887.5 885.7 883.3 882.6 879.1 884.7 886.1 890.5 890.6 889.0 879.1 DAY 2 16 3 16 13 23 5 1 3 2 1 26 1991 885.1 889.7 886.3 888.4 884.7 882.1 880.9 883.5 887.8 893.1 892.7 888.7 880.9 DAY 26 8 1 10 23 13 15 12 3 5 6 26 1992 889.0 888.6 886.0 885.2 888.5 879.4 883.0 883.6 888.9 891.0 891.0 891.0 879.4 DAY 31 11 31 19 5 27 19 2 18 7 26 4 1993 886.9 890.5 885.5 885.6 887.2 883.4 882.5 885.0 888.0 891.5 891.0 890.6 882.5 DAY 9 16 22 13 29 13 14 13 4 3 14 5 1994 889.5 886.9 889.3 887.4 887.2 879.7 879.6 881.0 885.4 892.0 888.2 889.0 879.6 DAY 17 12 13 3 11 29 21 2 1 3 26 4 1995 892.5 888.0 886.4 888.3 886.9 882.4 878.4 883.1 888.5 890.8 887.6 893.9 878.4 DAY 26 24 27 16 11 23 17 3 20 13 26 6 1996 890.6 886.5 887.0 887.7 887.5 884.4 884.2 885.1 884.5 890.0 893.0 893.3 884.2 DAY 13 5 14 11 29 6 7 14 21 6 29 15 1997 887.2 886.8 884.5 887.5 887.3 882.9 879.3 883.7 887.4 891.7 892.0 889.5 879.3 DAY 17 1 30 11 5 24 16 1 3 24 13 11 1998 888.2 885.1 887.0 888.5 885.5 884.3 878.7 885.9 887.3 890.2 893.8 892.5 878.7 DAY 6 16 2 30 30 30 8 23 7 4 1 21 1999 888.5 885.3 887.7 888.5 883.5 880.6 882.6 883.9 886.4 892.7 892.4 893.2 880.6 DAY 19 6 3 9 21 25 11 7 16 25 26 16 2000 887.9 887.1 888.9 889.9 884.5 881.1 881.9 884.7 883.1 891.0 892.5 889.3 881.1 DAY 21 8 14 20 17 26 9 4 2 2 6 15 2001 891.2 887.4 883.7 886.6 882.7 881.7 880.1 884.5 887.0 891.6 891.3 893.3 880.1 DAY 20 21 26 13 26 18 11 28 1 2 12 5 2002 889.8 891.3 889.6 881.7 885.5 880.0 882.6 882.5 888.9 893.6 893.0 887.3 880.0 DAY 22 25 23 4 21 21 27 9 18 15 7 25 2003 888.7 886.6 888.2 889.7 886.8 880.7 879.6 882.4 886.8 890.9 890.6 894.4 879.6 DAY 29 19 14 17 24 30 26 1 12 1 15 11 2004 886.3 890.2 889.5 885.7 882.8 880.8 881.8 883.8 887.7 895.0 903.0 902.6 880.8 DAY 27 20 31 1 14 18 11 16 12 3 24 27 2005 899.7 898.3 897.7 896.2 896.5 889.7 890.9 894.1 897.4 903.3 903.8 903.5 889.7 DAY 23 5 24 30 6 28 5 8 16 4 9 24 1956-2005 881.1 883.0 882.0 881.7 882.1 876.9 877.0 878.9 883.1 888.6 887.6 887.3 876.9 YEAR-DAY 74-25 85-17 88-24 2- 4 61-30 73-16 58-10 82- 1 0- 2 75- 4 95-26 2-25 73-16 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 70 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF QNH PRESSURE IN HPA AT 0300 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1006.4 1005.9 1011.3 1013.5 1019.8 1021.9 1022.3 ****** 1957 1017.9 1019.4 1016.7 1015.2 1013.6 1010.9 1009.3 1019.9 1022.7 1019.5 1021.1 1020.1 1017.2 1958 1020.0 1019.5 1017.4 1016.8 1016.5 1010.2 1006.6 1010.0 1013.0 1019.3 1023.9 1020.8 1016.2 1959 1020.2 1015.9 1016.9 1016.4 1013.5 1010.6 1006.9 1005.3 1009.4 1017.7 1020.6 1023.8 1014.8 1960 1021.2 1019.7 1015.3 1015.6 1014.6 1008.3 1005.8 1007.3 1013.9 1019.7 1021.7 1022.2 1015.5 1961 1020.6 1018.4 1015.7 1015.4 1012.3 1010.2 1005.3 1008.8 1010.2 1019.3 1020.8 1019.9 1014.7 1962 1020.4 1017.9 1015.5 1013.9 1012.7 1010.4 1007.6 1010.9 1014.5 1020.2 1023.7 1020.9 1015.7 1963 1020.3 1018.8 1014.6 1013.6 1011.1 1009.4 1007.0 1008.3 1014.0 1019.0 1020.0 1020.9 1014.7 1964 1022.1 1017.5 1016.6 1012.9 1012.8 1008.0 1005.4 1005.7 1013.3 1020.5 1021.4 1023.8 1015.0 1965 1017.4 1016.5 1017.2 1013.1 1013.3 1009.4 1006.6 1011.4 1016.0 1019.2 1021.7 1021.0 1015.2 1966 1021.9 1017.3 1015.7 1015.4 1015.1 1009.3 1007.5 1010.1 1014.6 1019.9 1025.6 1020.2 1016.0 1967 1022.0 1017.1 1014.3 1014.5 1014.6 1010.0 1005.3 1008.2 1012.7 1021.0 1019.9 1019.8 1014.9 1968 1017.9 1018.5 1016.5 1016.3 1015.3 1009.3 1008.2 1009.1 1014.8 1019.9 1022.7 1019.7 1015.7 1969 1019.1 1019.4 1016.7 1015.5 1013.5 1010.0 1006.2 1011.0 1015.7 1019.0 1022.7 1021.3 1015.8 1970 1019.5 1018.2 1017.1 1017.2 1013.3 1008.5 1006.6 1006.7 1012.9 1018.3 1021.7 1020.4 1015.0 1971 1021.1 1015.4 1017.7 1013.8 1011.3 1005.1 1006.6 1007.6 1014.9 1019.0 1020.9 1018.3 1014.3 1972 1019.2 1019.8 1015.6 1014.5 1012.8 1009.1 1006.8 1011.3 1015.0 1020.2 1020.1 1021.1 1015.5 1973 1021.1 1017.6 1016.6 1014.3 1011.4 1006.1 1004.3 1008.6 1013.4 1018.9 1020.5 1021.0 1014.5 1974 1018.0 1018.6 1017.4 1013.1 1012.1 1007.9 1005.8 1007.8 1012.9 1020.3 1021.4 1019.6 1014.6 1975 1019.8 1016.5 1015.8 1016.0 1012.9 1008.3 1006.1 1007.0 1012.8 1016.9 1021.1 1020.8 1014.5 1976 1017.5 1016.5 1015.3 1015.1 1012.8 1009.3 1004.2 1008.0 1012.7 1017.1 1022.6 1021.5 1014.4 1977 1018.4 1020.9 1018.6 1013.4 1012.7 1006.7 1003.4 1008.3 1014.8 1018.7 1019.9 1019.7 1014.6 1978 1020.0 1018.4 1015.9 1013.2 1011.5 1007.0 1006.7 1007.8 1013.1 1019.6 1020.6 1020.0 1014.5 1979 1019.7 1016.0 1015.9 1015.7 1015.0 1010.2 1007.7 1009.9 1015.7 1019.4 1022.3 1019.8 1015.6 1980 1018.1 1017.1 1015.9 1014.8 1012.7 1008.3 1007.9 1008.0 1013.9 1017.3 1020.6 1019.3 1014.5 1981 1019.1 1016.7 1014.9 1014.1 1012.8 1009.4 1006.6 1009.3 1015.7 1020.5 1019.8 1020.1 1014.9 1982 1017.9 1015.7 1014.8 1014.4 1015.2 1009.3 1007.1 1006.8 1015.2 1018.4 1019.2 1020.8 1014.6 1983 1019.1 1017.4 1016.0 1014.4 1012.5 1009.7 1006.9 1006.7 1011.4 1018.6 1021.9 1020.6 1014.6 1984 1017.9 1019.8 1015.8 1013.9 1011.4 1007.0 1006.6 1005.5 1013.4 1020.4 1019.7 1021.0 1014.4 1985 1018.0 1013.1 1016.5 1012.0 1011.9 1006.8 1005.2 1009.9 1012.7 1017.0 1019.8 1018.7 1013.5 1986 1018.8 1015.9 1015.1 1013.8 1013.5 1006.1 1007.9 1010.2 1015.1 1018.5 1017.9 1017.4 1014.2 1987 1018.1 1018.6 1012.6 1015.4 1014.1 1009.7 1009.0 1008.5 1012.9 1019.8 1020.7 1020.4 1015.0 1988 1017.7 1016.6 1013.2 1014.3 1011.7 1008.5 1004.2 1007.2 1012.2 1018.2 1020.0 1018.1 1013.5 1989 1017.4 1018.8 1013.8 1015.2 1013.4 1008.5 1007.7 1008.8 1011.9 1017.9 1020.1 1018.1 1014.3 1990 1017.9 1014.9 1017.1 1012.8 1011.0 1007.7 1005.8 1007.8 1011.5 1018.5 1020.4 1019.3 1013.7 1991 1018.2 1017.9 1014.8 1014.7 1010.3 1008.5 1005.6 1007.5 1013.9 1019.1 1020.7 1018.3 1014.1 1992 1017.8 1014.8 1015.3 1013.5 1014.2 1008.2 1006.7 1009.5 1014.4 1017.6 1020.3 1018.5 1014.2 1993 1018.6 1017.6 1016.4 1014.3 1013.0 1008.7 1007.5 1010.4 1012.7 1021.1 1020.0 1021.2 1015.1 1994 1018.6 1015.0 1015.6 1015.4 1013.0 1006.0 1003.7 1006.3 1015.6 1020.0 1018.8 1020.4 1014.0 1995 1019.9 1017.0 1015.8 1014.3 1013.8 1008.5 1002.9 1007.7 1013.0 1018.0 1019.1 1021.1 1014.2 1996 1019.3 1015.9 1013.7 1014.6 1013.8 1008.7 1008.5 1009.4 1011.2 1017.8 1021.9 1021.7 1014.7 1997 1017.7 1016.9 1013.7 1013.7 1014.0 1008.6 1004.0 1008.0 1013.8 1018.0 1020.0 1018.7 1013.9 1998 1016.6 1016.9 1015.5 1014.7 1013.8 1011.0 1006.3 1010.1 1013.0 1017.8 1020.4 1021.8 1014.8 1999 1018.6 1017.2 1014.5 1014.9 1012.2 1007.9 1005.9 1009.2 1011.6 1017.4 1019.0 1022.8 1014.3 2000 1017.2 1016.8 1015.4 1013.9 1009.5 1007.7 1008.0 1009.3 1011.4 1017.7 1020.8 1019.6 1013.9 2001 1019.4 1016.8 1015.6 1013.2 1009.9 1006.3 1005.4 1010.0 1013.3 1017.4 1019.4 1021.0 1014.0 2002 1018.8 1018.0 1016.4 1013.0 1011.3 1008.2 1007.9 1007.5 1013.9 1017.8 1020.5 1018.8 1014.3 2003 1018.7 1014.5 1015.7 1015.3 1014.0 1007.7 1004.4 1009.2 1012.9 1017.7 1020.4 1021.8 1014.4 2004 1016.4 1017.9 1017.3 1013.7 1010.7 1008.1 1008.2 1008.1 1014.5 1020.5 1032.4 1032.3 1016.7 2005 1031.5 1028.7 1027.4 1029.1 1025.6 1020.1 1018.4 1020.8 1024.4 1031.3 1033.6 1034.0 1027.1 MEAN 1019.2 1017.6 1016.0 1014.8 1013.1 1008.7 1006.6 1009.0 1013.8 1019.1 1021.3 1020.9 1015.0 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 71 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MAX. OF QNH PRESSURE IN HPA AT 0300 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1011.2 1009.3 1018.2 1018.9 1025.3 1026.5 1028.3 ****** DAY ** ** ** ** ** 8 30 31 30 26 14 24 1957 1026.3 1027.5 1021.6 1021.3 1017.2 1015.0 1017.4 1025.6 1030.7 1024.0 1028.2 1027.3 1030.7 DAY 4 13 3 17 11 18 29 31 10 15 24 23 1958 1024.4 1023.7 1020.6 1021.8 1023.7 1015.8 1012.9 1013.5 1018.0 1022.9 1028.2 1027.1 1028.2 DAY 3 14 29 2 14 3 16 25 30 23 4 6 1959 1026.0 1022.2 1022.4 1022.6 1019.3 1014.9 1013.8 1009.0 1015.2 1025.4 1026.9 1030.6 1030.6 DAY 3 3 15 9 5 4 20 28 25 21 22 16 1960 1026.5 1027.9 1022.8 1023.7 1021.6 1015.0 1011.4 1010.2 1018.0 1025.7 1026.9 1029.2 1029.2 DAY 19 15 21 8 6 3 17 15 25 30 16 5 1961 1029.0 1026.5 1026.2 1020.5 1017.5 1017.7 1009.1 1014.0 1016.3 1025.6 1027.0 1028.5 1029.0 DAY 10 23 4 26 2 10 24 10 30 31 1 3 1962 1029.4 1026.3 1024.2 1019.5 1018.2 1017.1 1012.9 1014.9 1021.9 1026.1 1030.0 1028.4 1030.0 DAY 19 11 4 19 17 2 31 27 28 27 23 1 1963 1025.0 1026.4 1023.5 1020.2 1015.5 1018.7 1009.9 1010.9 1019.5 1022.4 1022.8 1026.0 1026.4 DAY 6 5 23 2 16 11 25 5 25 12 6 20 1964 1030.6 1024.9 1023.4 1021.2 1016.9 1016.7 1009.6 1010.2 1020.9 1024.1 1027.6 1029.0 1030.6 DAY 31 1 18 25 10 3 17 31 29 25 30 2 1965 1024.4 1024.4 1022.4 1018.4 1019.1 1016.0 1010.0 1014.9 1020.2 1024.2 1025.3 1026.4 1026.4 DAY 17 26 17 25 21 3 20 10 30 29 13 23 1966 1027.2 1024.6 1024.2 1022.9 1018.9 1016.7 1011.6 1014.4 1017.4 1025.1 1029.4 1029.4 1029.4 DAY 1 26 3 6 13 3 11 17 30 31 23 8 1967 1028.3 1026.0 1024.3 1021.6 1022.5 1016.8 1010.8 1012.4 1016.4 1026.3 1023.9 1026.2 1028.3 DAY 6 28 1 4 3 16 14 16 26 27 6 12 1968 1026.6 1026.2 1026.1 1021.8 1020.2 1018.5 1012.8 1015.8 1019.0 1025.9 1027.2 1026.6 1027.2 DAY 20 6 28 1 1 1 16 30 21 17 23 22 1969 1026.1 1028.6 1022.2 1018.7 1019.2 1016.8 1010.3 1016.9 1023.7 1022.2 1029.7 1025.4 1029.7 DAY 9 3 25 15 18 3 14 31 14 5 24 20 1970 1028.0 1024.3 1022.9 1023.1 1020.4 1012.4 1011.9 1011.8 1020.3 1024.9 1027.9 1029.1 1029.1 DAY 3 8 26 27 23 16 9 30 22 28 15 30 1971 1030.0 1022.3 1023.6 1019.4 1015.5 1010.0 1011.9 1010.2 1019.8 1023.0 1027.9 1026.0 1030.0 DAY 4 4 17 21 1 1 26 21 24 22 21 12 1972 1028.6 1027.7 1022.6 1019.5 1021.0 1016.9 1010.7 1015.3 1020.2 1026.3 1025.3 1030.3 1030.3 DAY 5 25 16 8 24 1 25 27 23 26 24 27 1973 1031.1 1030.0 1027.6 1018.9 1019.4 1013.8 1008.8 1011.4 1021.0 1022.6 1027.2 1029.6 1031.1 DAY 26 7 10 14 8 3 28 31 29 21 12 26 1974 1026.4 1025.5 1024.6 1018.2 1017.3 1011.4 1010.6 1010.7 1016.3 1026.1 1028.4 1026.1 1028.4 DAY 26 4 10 13 2 1 29 14 9 15 18 21 1975 1031.3 1025.1 1022.8 1024.1 1019.2 1012.1 1010.1 1012.7 1020.0 1024.2 1026.6 1027.7 1031.3 DAY 15 18 24 4 20 6 29 30 19 21 21 25 1976 1022.3 1025.2 1023.0 1019.9 1017.0 1014.8 1007.9 1011.7 1016.2 1023.5 1028.6 1028.2 1028.6 DAY 1 21 27 4 13 21 23 28 13 31 12 13 1977 1027.0 1027.4 1026.5 1017.5 1016.5 1012.7 1006.9 1012.5 1018.9 1023.9 1025.9 1025.7 1027.4 DAY 11 15 10 18 14 7 20 24 25 24 28 18 1978 1026.7 1026.3 1020.5 1018.5 1018.0 1014.8 1013.3 1010.9 1017.9 1023.2 1030.3 1027.5 1030.3 DAY 13 6 9 6 3 5 9 25 28 11 6 25 1979 1027.7 1021.9 1024.5 1022.6 1020.5 1018.3 1011.4 1017.0 1018.4 1024.4 1028.0 1028.5 1028.5 DAY 18 2 7 18 20 5 22 29 28 21 13 23 1980 1024.1 1023.7 1021.8 1022.5 1018.2 1015.2 1013.0 1014.5 1019.2 1022.5 1026.5 1024.8 1026.5 DAY 10 22 15 21 1 2 18 31 24 23 3 4 1981 1026.4 1024.3 1025.3 1021.6 1019.4 1015.2 1012.5 1012.7 1020.3 1026.3 1025.1 1026.0 1026.4 DAY 9 5 6 20 2 1 30 3 27 25 26 12 1982 1025.4 1025.7 1022.9 1022.8 1020.8 1014.7 1010.3 1012.1 1019.3 1023.1 1028.7 1026.2 1028.7 DAY 22 20 16 5 13 5 14 28 21 26 19 10 1983 1028.5 1023.3 1023.0 1019.4 1016.9 1017.7 1012.3 1009.7 1016.7 1026.2 1027.0 1028.1 1028.5 DAY 8 11 26 19 8 1 12 31 30 28 27 4 1984 1027.3 1026.4 1023.3 1018.3 1014.5 1011.9 1010.1 1008.0 1018.1 1027.5 1026.4 1026.9 1027.5 DAY 5 20 4 2 26 4 4 28 26 9 27 19 1985 1024.2 1019.2 1027.4 1016.8 1017.5 1010.0 1008.2 1014.5 1017.4 1021.3 1023.6 1024.6 1027.4 DAY 25 11 6 21 13 2 15 30 30 26 18 8 1986 1026.7 1021.5 1024.1 1021.3 1019.3 1013.0 1010.6 1013.7 1020.2 1023.9 1025.5 1023.5 1026.7 DAY 25 23 28 5 20 2 23 30 22 15 16 7 1987 1024.3 1025.2 1018.9 1019.4 1020.6 1015.1 1012.3 1013.7 1020.0 1025.5 1030.3 1032.0 1032.0 DAY 31 1 23 23 1 1 30 7 26 29 30 1 1988 1030.6 1027.5 1019.2 1021.3 1015.7 1015.4 1008.9 1011.0 1017.3 1023.7 1025.1 1028.0 1030.6 DAY 3 7 18 4 3 1 31 21 25 17 16 30 1989 1024.3 1025.9 1020.1 1020.5 1018.2 1011.1 1010.7 1012.5 1022.0 1025.0 1025.0 1022.5 1025.9 DAY 31 8 1 3 2 2 20 31 24 27 29 19 1990 1027.1 1024.1 1026.7 1018.0 1016.2 1013.2 1010.1 1011.0 1016.4 1026.7 1027.0 1027.4 1027.4 DAY 27 1 10 12 16 1 16 16 26 19 24 28 1991 1026.7 1029.9 1021.4 1020.1 1016.3 1012.8 1009.3 1010.8 1020.9 1021.5 1024.9 1024.4 1029.9 DAY 13 15 13 15 9 24 2 23 28 20 13 18 1992 1029.7 1021.4 1026.4 1019.6 1018.8 1013.8 1010.8 1013.8 1018.4 1022.6 1025.7 1025.2 1029.7 DAY 10 17 13 12 29 11 6 16 2 30 4 11 1993 1024.6 1024.1 1021.9 1021.3 1018.8 1015.7 1011.7 1013.9 1016.1 1026.2 1024.4 1027.2 1027.2 DAY 3 8 31 1 10 23 27 26 23 17 23 7 1994 1026.7 1020.4 1021.6 1024.2 1017.2 1011.0 1008.2 1010.4 1022.5 1026.2 1023.3 1029.6 1029.6 DAY 19 21 18 5 8 1 14 16 24 10 2 8 1995 1024.8 1020.5 1022.4 1018.3 1019.3 1015.4 1007.1 1010.6 1016.4 1025.7 1025.1 1025.5 1025.7 DAY 8 14 3 1 27 2 29 25 13 27 28 11 1996 1024.8 1022.3 1018.2 1021.1 1017.9 1012.1 1014.8 1014.2 1017.2 1023.7 1032.2 1028.1 1032.2 DAY 28 14 30 7 7 1 4 30 25 20 19 8 1997 1024.8 1024.8 1023.9 1019.9 1021.1 1013.4 1006.7 1011.4 1018.1 1022.3 1027.1 1028.7 1028.7 DAY 19 8 11 14 7 4 9 31 18 9 8 29 1998 1023.6 1024.9 1021.0 1024.3 1019.9 1015.5 1011.1 1013.3 1018.3 1022.5 1025.0 1028.6 1028.6 DAY 4 23 28 12 8 6 21 26 13 26 21 10 1999 1026.2 1022.8 1021.1 1019.0 1017.9 1014.9 1009.4 1014.2 1019.5 1020.1 1024.9 1028.7 1028.7 DAY 3 12 19 1 12 1 31 19 30 11 15 6 2000 1027.5 1025.1 1021.0 1019.1 1015.3 1013.0 1012.1 1012.7 1016.5 1022.0 1029.1 1025.7 1029.1 DAY 31 11 4 3 6 17 26 24 29 16 17 17 2001 1025.7 1025.0 1024.4 1019.8 1015.3 1012.7 1010.8 1014.7 1019.8 1022.9 1024.4 1027.9 1027.9 DAY 30 10 2 4 12 2 29 14 23 11 20 18 2002 1026.0 1026.2 1027.1 1021.3 1016.7 1013.2 1011.6 1012.3 1018.1 1021.2 1027.1 1027.3 1027.3 DAY 28 5 11 1 10 25 31 2 21 10 18 4 2003 1025.0 1022.4 1028.3 1019.5 1020.4 1015.0 1008.3 1013.5 1019.6 1021.2 1029.7 1029.2 1029.7 DAY 12 7 3 7 2 1 3 5 27 16 23 12 2004 1025.6 1024.4 1023.1 1018.8 1015.0 1014.5 1012.1 1012.2 1020.3 1024.2 1039.5 1044.6 1044.6 DAY 1 10 23 13 27 7 18 30 27 27 29 4 2005 1037.8 1037.1 1033.5 1036.6 1030.2 1027.0 1021.3 1024.9 1027.3 1035.6 1037.7 1040.2 1040.2 DAY 14 17 27 9 8 6 16 27 25 12 28 28 1956-2005 1037.8 1037.1 1033.5 1036.6 1030.2 1027.0 1021.3 1025.6 1030.7 1035.6 1039.5 1044.6 1044.6 YEAR-DAY 5-14 5-17 5-27 5- 9 5- 8 5- 6 5-16 57-31 57-10 5-12 4-29 4- 4 4- 4 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 72 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MIN. OF QNH PRESSURE IN HPA AT 0300 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1002.0 1002.1 1006.7 1009.0 1014.8 1014.7 1015.4 ****** DAY ** ** ** ** ** 3 15 5 10 29 8 11 1957 1007.0 1007.3 1010.9 1009.8 1010.3 1002.6 1001.1 1013.2 1013.1 1013.8 1014.0 1011.6 1001.1 DAY 12 5 7 4 21 7 13 8 28 11 18 7 1958 1017.1 1015.5 1015.5 1013.8 1013.7 1005.3 996.9 1006.9 1008.4 1014.2 1014.9 1015.8 996.9 DAY 6 6 10 30 2 21 10 2 4 10 7 31 1959 1009.3 1007.6 1003.8 1010.7 1006.0 1001.3 1001.6 1000.2 1004.7 1011.3 1013.1 1017.3 1000.2 DAY 23 17 1 19 31 28 3 3 12 5 26 1 1960 1014.4 1014.5 1007.3 1010.2 1006.9 1003.1 1000.2 1003.3 1006.2 1013.9 1012.3 1013.9 1000.2 DAY 27 29 25 21 31 30 9 12 2 11 20 30 1961 1012.1 1011.8 1007.8 1007.4 1002.6 1002.6 1001.3 1004.8 1005.4 1012.4 1014.4 1012.8 1001.3 DAY 27 3 13 2 30 7 15 8 11 3 24 23 1962 1014.8 1012.7 1007.7 1008.3 1008.3 1003.3 1003.8 1006.3 1008.4 1013.2 1019.2 1014.3 1003.3 DAY 16 28 29 6 25 10 13 3 18 10 11 25 1963 1017.0 1013.1 1009.0 1007.6 1006.2 1002.9 1004.2 1004.1 1007.6 1015.1 1016.2 1012.0 1002.9 DAY 25 14 13 16 11 17 6 12 8 2 25 11 1964 1007.6 1011.3 1010.9 1003.1 1007.8 999.9 1001.0 1001.5 1007.6 1012.0 1008.9 1016.4 999.9 DAY 19 13 4 9 13 29 11 2 5 4 28 25 1965 1005.7 1010.2 1010.7 1006.4 1007.1 1002.3 1003.0 1007.2 1013.0 1012.1 1015.1 1014.1 1002.3 DAY 11 23 23 21 30 25 12 1 7 25 10 21 1966 1017.3 1009.1 1005.6 1008.7 1010.6 1001.2 1004.9 1005.2 1010.0 1012.7 1021.4 1012.5 1001.2 DAY 27 10 20 24 29 27 18 5 13 2 16 12 1967 1013.4 1010.9 1003.9 1007.0 1008.7 1004.9 999.8 1004.7 1009.4 1013.0 1016.0 1009.2 999.8 DAY 22 13 24 25 19 6 10 6 7 3 28 24 1968 1009.7 1007.6 1007.1 1007.7 1010.4 1003.2 1002.0 1004.4 1009.0 1013.9 1017.1 1013.0 1002.0 DAY 25 3 19 25 17 23 12 14 8 11 19 5 1969 1007.3 1012.1 1009.0 1009.2 1006.7 1004.4 1002.2 1005.4 1007.7 1012.5 1014.9 1014.5 1002.2 DAY 25 14 24 18 31 23 23 8 12 29 9 14 1970 1010.4 1010.9 1012.4 1009.9 1007.6 1004.7 1002.5 1002.2 1007.0 1009.9 1017.2 1012.9 1002.2 DAY 28 24 6 20 30 9 6 7 1 9 30 15 1971 1010.0 1004.9 1008.3 1007.1 1006.2 1000.5 1002.8 1003.8 1008.6 1013.2 1015.3 1008.7 1000.5 DAY 14 14 21 26 11 5 23 9 2 1 11 20 1972 1011.4 1012.0 1007.1 1007.3 1006.9 1001.0 1001.7 1002.2 1009.1 1016.5 1014.8 1013.4 1001.0 DAY 30 9 18 25 3 25 6 1 12 17 8 17 1973 1009.7 1007.1 1010.3 1009.7 1005.8 996.8 1000.1 1005.4 1009.0 1015.2 1014.0 1013.5 996.8 DAY 16 23 7 24 30 16 16 1 2 11 19 9 1974 1001.5 1012.8 1010.9 1007.3 1006.3 1004.0 999.5 1003.8 1005.8 1017.5 1015.1 1012.3 999.5 DAY 25 27 27 30 27 26 20 11 2 1 25 27 1975 1013.0 1008.1 1007.0 1009.4 1010.1 1005.3 1003.6 1000.8 1006.7 1009.8 1009.7 1012.4 1000.8 DAY 28 12 3 15 15 25 17 14 10 4 29 31 1976 1011.4 1009.6 1006.8 1010.0 1008.7 1002.7 1000.3 1005.3 1008.7 1012.2 1008.8 1012.4 1000.3 DAY 7 6 14 22 25 6 20 1 3 19 29 31 1977 1011.2 1012.5 1011.8 1007.1 1008.4 1000.1 999.0 1003.1 1011.9 1014.1 1010.2 1013.4 999.0 DAY 9 7 30 8 17 24 2 19 16 26 17 24 1978 1009.9 1009.7 1010.0 1007.2 1002.7 999.5 1000.5 1005.0 1005.7 1012.4 1013.4 1010.0 999.5 DAY 26 12 15 20 30 22 2 8 2 1 13 17 1979 1012.0 1008.7 1006.2 1009.8 1010.2 1003.6 1003.6 1005.2 1011.7 1015.4 1013.4 1010.1 1003.6 DAY 11 11 31 29 6 23 6 1 5 27 30 16 1980 1008.3 1008.3 1006.9 1010.0 1008.6 1003.5 1005.1 1004.3 1010.2 1013.9 1014.4 1012.7 1003.5 DAY 24 12 2 17 29 17 3 7 20 26 25 10 1981 1010.6 1008.4 1008.6 1006.3 1006.4 1004.6 1001.6 1005.3 1010.9 1013.7 1013.0 1014.4 1001.6 DAY 3 12 13 29 13 27 2 14 23 17 23 26 1982 1008.2 1007.8 1008.2 1006.1 1009.8 1004.3 1000.1 999.0 1009.4 1013.2 1013.1 1014.1 999.0 DAY 29 14 27 19 24 28 31 1 14 21 14 7 1983 1009.7 1008.9 1007.0 1010.8 1008.3 1003.0 1001.6 1002.7 1005.8 1011.9 1016.8 1012.3 1001.6 DAY 25 28 7 2 12 29 27 5 9 5 12 31 1984 1007.1 1009.7 1006.2 1009.3 1006.4 1002.5 1002.7 1003.3 1006.0 1013.9 1014.3 1013.1 1002.5 DAY 17 8 13 26 29 21 16 12 1 18 16 14 1985 1012.9 1003.6 1008.0 1007.4 1008.0 1003.6 1002.2 1005.8 1007.4 1011.9 1013.5 1010.0 1002.2 DAY 3 17 25 11 22 19 19 6 8 11 8 19 1986 1006.6 1008.0 1008.6 1008.8 1009.1 1000.6 1004.7 1007.1 1011.3 1014.1 1011.8 1011.3 1000.6 DAY 20 16 9 30 11 20 19 4 30 1 8 28 1987 1007.8 1012.7 1007.2 1009.8 1008.6 1004.2 1003.5 1004.0 1009.1 1011.4 1014.7 1009.2 1003.5 DAY 3 11 14 5 23 13 4 30 2 9 8 31 1988 1009.1 1011.0 1002.5 1009.3 1008.1 1001.5 1000.2 1004.2 1007.1 1013.0 1014.1 1008.4 1000.2 DAY 29 18 24 16 25 24 8 8 1 8 29 26 1989 1009.0 1006.9 1007.1 1009.1 1008.3 1004.9 1004.6 1003.7 1006.4 1011.7 1015.8 1013.8 1003.7 DAY 3 23 30 30 31 7 18 2 12 2 25 5 1990 1011.3 1005.9 1008.6 1006.6 1003.9 1003.1 999.2 1005.4 1007.0 1011.9 1012.0 1010.2 999.2 DAY 2 16 3 16 13 23 5 1 3 2 1 26 1991 1005.9 1011.0 1007.2 1009.6 1005.4 1002.6 1001.2 1004.1 1008.9 1014.8 1014.3 1009.9 1001.2 DAY 26 8 1 10 23 13 15 12 3 5 6 26 1992 1010.2 1009.8 1006.9 1006.0 1009.7 999.6 1003.6 1004.2 1010.1 1012.4 1012.4 1012.4 999.6 DAY 31 11 31 19 5 27 19 2 18 7 26 4 1993 1007.9 1011.9 1006.3 1006.4 1008.2 1004.0 1003.0 1005.8 1009.1 1013.0 1012.4 1012.0 1003.0 DAY 9 16 22 13 29 13 14 13 4 3 14 5 1994 1010.8 1007.9 1010.6 1008.4 1008.2 999.9 999.8 1001.3 1006.2 1013.5 1009.3 1010.2 999.8 DAY 17 12 13 3 11 29 21 2 1 3 26 4 1995 1014.1 1009.1 1007.3 1009.4 1007.9 1002.9 998.5 1003.7 1009.7 1012.2 1008.7 1015.7 998.5 DAY 26 24 27 16 11 23 17 3 20 13 26 6 1996 1012.0 1007.4 1008.0 1008.8 1008.6 1005.1 1004.9 1005.9 1005.2 1011.3 1014.7 1015.0 1004.9 DAY 13 5 14 11 29 6 7 14 21 6 29 15 1997 1008.2 1007.8 1005.2 1008.6 1008.3 1003.5 999.5 1004.3 1008.4 1013.2 1013.5 1010.8 999.5 DAY 17 1 30 11 5 24 16 1 3 24 13 11 1998 1009.3 1005.9 1008.0 1009.7 1006.3 1005.0 998.8 1006.8 1008.3 1011.6 1015.5 1014.1 998.8 DAY 6 16 2 30 30 30 8 23 7 4 1 21 1999 1009.7 1006.1 1008.8 1009.7 1004.1 1000.9 1003.1 1004.6 1007.3 1014.3 1014.0 1014.9 1000.9 DAY 19 6 3 9 21 25 11 7 16 25 26 16 2000 1009.0 1008.1 1010.1 1011.2 1005.2 1001.5 1002.3 1005.4 1003.7 1012.4 1014.1 1010.6 1001.5 DAY 21 8 14 20 17 26 9 4 2 2 6 15 2001 1012.7 1008.4 1004.3 1007.6 1003.2 1002.1 1000.3 1005.2 1008.0 1013.1 1012.8 1015.0 1000.3 DAY 20 21 26 13 26 18 11 28 1 2 12 5 2002 1011.1 1012.8 1010.9 1002.1 1006.3 1000.2 1003.1 1003.0 1010.1 1015.3 1014.7 1008.3 1000.2 DAY 22 25 23 4 21 21 27 9 18 15 7 25 2003 1009.9 1007.6 1009.3 1011.0 1007.8 1001.0 999.8 1002.9 1007.8 1012.3 1012.0 1016.2 999.8 DAY 29 19 14 17 24 30 26 1 12 1 15 11 2004 1007.2 1011.6 1010.8 1006.6 1003.3 1001.1 1002.2 1004.4 1008.8 1016.9 1025.7 1025.3 1001.1 DAY 27 20 31 1 14 18 11 16 12 3 24 27 2005 1022.1 1020.5 1019.9 1018.2 1018.5 1011.0 1012.3 1015.9 1019.5 1026.1 1026.6 1026.3 1011.0 DAY 23 5 24 30 6 28 5 8 16 4 9 24 1956-2005 1001.5 1003.6 1002.5 1002.1 1002.6 996.8 996.9 999.0 1003.7 1009.8 1008.7 1008.3 996.8 YEAR-DAY 74-25 85-17 88-24 2- 4 61-30 73-16 58-10 82- 1 0- 2 75- 4 95-26 2-25 73-16 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 73 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF QFF PRESSURE IN HPA AT 0300 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1002.3 998.8 1003.9 1007.1 1017.5 1021.6 1024.1 ****** 1957 1020.9 1020.4 1015.5 1012.9 1009.3 1004.0 1000.6 1013.7 1017.5 1015.3 1020.4 1020.5 1014.2 1958 1020.1 1019.4 1013.8 1011.0 1009.9 1001.7 997.6 1001.6 1005.9 1014.9 1024.4 1021.0 1011.8 1959 1021.7 1016.2 1014.2 1011.1 1006.8 1002.5 997.7 995.5 1001.5 1012.5 1019.9 1026.2 1010.5 1960 1021.6 1017.8 1014.0 1011.5 1008.1 999.1 996.2 998.1 1006.5 1015.0 1020.3 1023.4 1011.0 1961 1021.7 1018.3 1012.4 1011.1 1004.7 1001.6 995.5 1000.3 1002.1 1014.8 1019.1 1019.5 1010.1 1962 1021.3 1016.2 1012.0 1008.7 1005.6 1002.4 998.9 1003.0 1008.5 1016.2 1023.2 1022.3 1011.5 1963 1021.1 1017.3 1011.9 1008.7 1005.1 999.9 997.8 999.8 1006.9 1014.1 1018.0 1022.1 1010.2 1964 1026.6 1017.7 1013.4 1008.3 1005.7 999.6 996.4 997.0 1006.9 1017.5 1020.5 1027.2 1011.4 1965 1018.7 1016.3 1015.1 1009.4 1006.7 1001.2 997.6 1003.5 1009.4 1013.5 1019.2 1020.9 1011.0 1966 1020.6 1014.6 1012.5 1010.6 1007.3 999.6 997.9 1001.0 1007.0 1014.5 1024.1 1019.2 1010.7 1967 1022.4 1015.7 1011.3 1010.2 1007.6 1001.5 995.4 999.4 1004.7 1016.1 1016.9 1020.1 1010.1 1968 1017.7 1018.7 1013.2 1011.6 1009.1 1000.5 999.0 1000.1 1007.3 1014.6 1020.1 1018.5 1010.9 1969 1019.7 1019.3 1011.8 1010.2 1006.1 1001.0 996.1 1002.4 1009.0 1013.2 1021.4 1020.4 1010.9 1970 1019.8 1016.5 1014.5 1011.3 1005.7 999.2 996.9 997.0 1005.6 1012.7 1019.9 1020.9 1010.0 1971 1022.6 1014.7 1014.5 1008.4 1003.2 995.6 997.4 998.5 1008.6 1014.4 1018.5 1017.4 1009.5 1972 1021.0 1021.8 1012.8 1009.5 1006.0 999.7 997.3 1003.4 1008.0 1015.1 1017.5 1022.6 1011.2 1973 1024.5 1015.8 1013.1 1008.6 1003.4 995.9 994.3 999.8 1005.9 1013.9 1018.9 1021.9 1009.7 1974 1019.8 1019.8 1013.9 1007.5 1004.6 998.6 996.5 998.8 1005.3 1016.9 1019.5 1020.9 1010.2 1975 1021.0 1016.1 1013.2 1011.6 1005.4 999.4 996.5 998.1 1005.6 1012.3 1020.0 1021.9 1010.1 1976 1017.5 1017.0 1013.3 1010.5 1005.3 1000.5 994.3 999.4 1005.0 1011.6 1022.7 1022.6 1010.0 1977 1020.6 1020.3 1014.0 1008.4 1005.0 996.9 993.2 999.3 1007.9 1013.3 1017.7 1019.0 1009.6 1978 1020.7 1017.7 1013.3 1007.0 1004.0 997.6 997.2 998.9 1005.8 1014.6 1019.1 1018.8 1009.5 1979 1019.9 1015.1 1013.9 1009.9 1008.7 1000.8 998.1 1001.1 1008.8 1013.8 1020.9 1020.0 1010.9 1980 1018.8 1016.3 1012.9 1008.5 1004.9 998.8 998.9 998.9 1006.6 1011.9 1018.0 1019.5 1009.5 1981 1019.4 1015.3 1011.1 1008.6 1005.2 1000.4 997.1 1000.8 1009.2 1016.5 1017.6 1019.5 1010.1 1982 1018.2 1016.0 1012.4 1009.3 1008.0 1000.0 998.4 997.5 1008.1 1013.3 1018.1 1022.7 1010.2 1983 1020.3 1017.2 1014.5 1010.2 1004.8 1000.4 997.1 997.4 1003.4 1014.3 1019.5 1021.2 1010.0 1984 1019.1 1021.1 1012.0 1008.4 1004.2 998.0 997.6 996.2 1006.3 1016.8 1017.1 1022.6 1010.0 1985 1018.3 1010.9 1014.3 1006.2 1004.3 997.0 994.7 1001.3 1005.2 1011.5 1017.1 1018.4 1008.3 1986 1019.5 1015.3 1013.2 1008.1 1005.1 996.2 998.2 1001.4 1008.3 1012.3 1015.5 1017.9 1009.3 1987 1017.6 1017.0 1008.8 1009.2 1006.3 1000.5 999.2 999.1 1004.3 1015.1 1018.1 1019.8 1009.6 1988 1018.2 1016.1 1009.5 1008.5 1003.1 998.5 993.5 997.8 1003.8 1012.5 1016.9 1016.7 1007.9 1989 1018.8 1019.9 1010.6 1010.0 1006.0 998.4 997.8 999.8 1004.1 1011.9 1016.8 1017.1 1009.3 1990 1018.5 1014.3 1014.2 1006.9 1002.3 998.0 995.7 998.2 1003.4 1013.0 1017.4 1018.7 1008.4 1991 1018.6 1017.8 1011.8 1008.9 1002.4 998.9 995.4 998.1 1006.1 1013.9 1018.1 1016.9 1008.9 1992 1018.8 1013.8 1013.5 1008.6 1007.4 998.5 996.8 1000.4 1007.5 1012.4 1017.1 1017.6 1009.4 1993 1020.0 1016.3 1013.8 1008.6 1004.9 999.0 997.8 1001.5 1005.0 1016.5 1017.2 1021.4 1010.2 1994 1018.8 1014.0 1011.8 1010.0 1005.1 996.0 993.3 996.4 1008.8 1015.2 1014.5 1020.3 1008.7 1995 1019.4 1015.7 1013.2 1008.9 1006.3 999.1 992.0 998.0 1005.0 1012.5 1015.7 1021.7 1008.9 1996 1020.5 1014.4 1010.3 1009.0 1006.4 999.0 998.9 999.5 1002.1 1012.0 1019.5 1020.7 1009.4 1997 1016.5 1015.3 1010.0 1008.3 1006.0 998.3 992.2 997.6 1004.9 1011.4 1016.6 1017.6 1007.9 1998 1015.7 1015.2 1011.1 1007.7 1004.7 1001.1 995.0 999.5 1004.0 1011.5 1016.3 1019.0 1008.4 1999 1017.8 1014.2 1010.7 1008.1 1003.2 996.7 994.8 999.2 1002.5 1010.5 1015.1 1022.2 1007.9 2000 1015.8 1015.2 1011.8 1006.1 999.1 997.4 997.9 999.6 1002.2 1011.5 1018.4 1017.9 1007.7 2001 1019.4 1015.3 1011.2 1005.8 1000.0 996.0 994.1 1000.0 1004.4 1011.0 1015.6 1018.5 1007.6 2002 1017.7 1015.7 1011.8 1006.1 1001.8 997.4 997.0 997.0 1005.2 1011.2 1017.1 1017.9 1008.0 2003 1017.4 1011.4 1011.7 1008.1 1006.0 996.8 992.8 998.9 1004.1 1011.0 1017.7 1021.0 1008.1 2004 1014.6 1015.1 1012.3 1006.9 1001.8 997.4 997.7 997.8 1006.2 1014.6 1013.3 1016.3 1007.8 2005 1015.9 1012.6 1008.0 1007.9 1003.1 995.6 993.2 996.4 1001.1 1010.0 1015.4 1017.1 1006.4 MEAN 1019.5 1016.4 1012.5 1009.0 1005.2 999.1 996.5 999.6 1006.0 1013.6 1018.5 1020.2 1009.7 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 74 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MAX. OF QFF PRESSURE IN HPA AT 0300 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1009.8 1009.3 1012.5 1014.2 1022.9 1026.8 1031.4 ****** DAY ** ** ** ** ** 9 18 31 30 26 14 24 1957 1031.2 1031.9 1021.8 1020.3 1013.7 1009.5 1009.4 1022.1 1028.4 1022.3 1032.5 1030.5 1032.5 DAY 14 8 3 6 12 10 29 25 11 21 24 23 1958 1027.9 1025.2 1019.8 1019.1 1019.5 1008.3 1005.3 1005.3 1012.4 1020.1 1031.4 1026.6 1031.4 DAY 2 14 1 1 14 3 16 25 27 22 24 27 1959 1030.3 1025.0 1020.6 1018.5 1015.2 1007.3 1002.5 1000.0 1008.3 1019.8 1026.6 1035.2 1035.2 DAY 3 23 10 9 5 4 8 29 26 21 22 17 1960 1028.6 1029.3 1026.6 1020.2 1017.9 1006.0 1002.4 1001.7 1011.9 1023.5 1028.3 1031.3 1031.3 DAY 29 2 21 8 6 3 17 15 25 30 27 6 1961 1032.0 1028.2 1024.5 1018.8 1013.4 1010.7 1000.4 1008.7 1010.2 1023.6 1027.5 1030.1 1032.0 DAY 11 23 5 19 2 10 24 12 30 28 29 4 1962 1032.0 1027.9 1023.1 1016.1 1011.2 1009.3 1004.9 1008.1 1019.0 1022.5 1031.7 1031.5 1032.0 DAY 19 11 4 19 8 2 31 29 28 27 23 1 1963 1026.5 1026.2 1021.8 1016.2 1011.5 1007.9 1001.5 1002.8 1012.2 1018.5 1021.4 1031.1 1031.1 DAY 6 5 23 2 16 2 25 20 25 12 30 28 1964 1036.3 1029.8 1021.0 1017.4 1009.3 1009.5 1007.6 1002.3 1017.0 1023.5 1031.1 1033.5 1036.3 DAY 31 1 18 25 3 3 15 31 29 28 30 3 1965 1027.6 1025.5 1024.4 1015.4 1012.3 1008.4 1001.5 1007.5 1013.7 1019.7 1026.6 1029.4 1029.4 DAY 17 26 18 11 22 4 10 10 30 29 25 23 1966 1026.7 1023.9 1025.7 1022.1 1013.6 1008.8 1002.0 1006.7 1011.2 1021.6 1029.9 1029.5 1029.9 DAY 2 26 3 6 13 2 4 17 5 31 28 8 1967 1031.3 1025.9 1025.5 1020.3 1016.7 1009.9 1001.4 1003.5 1009.6 1023.3 1019.9 1026.9 1031.3 DAY 6 21 1 4 3 16 15 16 26 26 6 12 1968 1030.1 1030.5 1026.5 1018.0 1016.6 1011.5 1004.9 1008.3 1013.3 1022.1 1026.3 1028.2 1030.5 DAY 20 7 28 8 1 1 16 30 21 30 23 24 1969 1029.5 1031.0 1020.5 1016.2 1012.8 1010.6 1001.8 1009.1 1019.5 1016.4 1031.0 1025.8 1031.0 DAY 9 4 25 15 13 3 14 31 14 26 24 10 1970 1029.7 1024.7 1020.6 1019.2 1013.0 1004.1 1002.4 1002.1 1015.7 1022.3 1026.8 1031.8 1031.8 DAY 3 2 26 27 23 16 23 30 22 27 15 16 1971 1031.1 1026.2 1021.1 1015.1 1009.4 1000.5 1003.2 1001.3 1014.7 1019.5 1026.0 1026.2 1031.1 DAY 4 3 4 21 1 1 26 15 24 22 21 12 1972 1032.0 1031.6 1021.4 1015.5 1015.6 1008.7 1001.7 1009.6 1014.8 1022.5 1025.7 1037.1 1037.1 DAY 9 25 4 8 24 1 25 27 23 26 24 27 1973 1036.6 1030.7 1029.6 1015.3 1012.3 1004.5 999.7 1002.9 1015.3 1018.7 1028.0 1032.9 1036.6 DAY 6 7 10 14 8 3 28 31 29 21 12 26 1974 1029.1 1030.4 1025.5 1015.1 1012.2 1003.0 1003.5 1001.3 1010.3 1024.6 1027.4 1028.1 1030.4 DAY 6 5 8 3 2 1 29 14 30 15 18 31 1975 1035.0 1025.8 1022.5 1022.7 1011.5 1004.1 1000.8 1005.9 1012.7 1022.3 1026.9 1031.2 1035.0 DAY 15 18 10 4 20 6 29 31 22 25 21 5 1976 1025.5 1027.8 1024.0 1019.4 1009.6 1006.7 1000.3 1004.3 1008.9 1020.0 1029.7 1029.3 1029.7 DAY 2 21 27 4 13 21 23 28 13 31 12 13 1977 1030.3 1028.0 1023.3 1013.4 1009.3 1005.3 996.3 1004.2 1012.7 1020.5 1026.5 1026.3 1030.3 DAY 10 15 10 18 1 1 20 24 30 28 28 18 1978 1029.0 1028.0 1021.9 1013.0 1013.1 1006.5 1005.6 1002.6 1012.2 1018.4 1031.6 1029.1 1031.6 DAY 17 6 9 6 4 5 9 25 29 24 27 25 1979 1027.5 1022.8 1027.9 1018.6 1015.6 1009.4 1002.0 1010.0 1013.2 1019.5 1028.8 1032.4 1032.4 DAY 18 2 5 18 11 5 22 31 28 21 25 23 1980 1026.9 1028.8 1022.7 1017.9 1010.8 1006.8 1004.0 1006.8 1013.3 1020.5 1025.4 1025.8 1028.8 DAY 10 3 5 21 1 2 18 31 24 31 27 21 1981 1028.4 1026.3 1024.7 1020.5 1014.8 1008.0 1004.9 1005.1 1014.7 1024.9 1026.3 1026.4 1028.4 DAY 9 5 6 3 2 1 30 3 27 25 27 2 1982 1028.4 1029.7 1022.4 1020.0 1015.2 1006.5 1008.1 1005.2 1012.8 1020.7 1030.1 1029.3 1030.1 DAY 21 20 1 5 13 1 27 31 21 26 19 9 1983 1031.2 1026.5 1024.4 1015.6 1009.6 1009.7 1003.3 1000.3 1010.3 1033.0 1026.6 1029.1 1033.0 DAY 11 24 19 3 8 1 12 18 30 28 27 25 1984 1028.6 1031.1 1021.7 1015.1 1010.5 1003.5 1000.9 999.4 1013.2 1026.8 1024.5 1030.5 1031.1 DAY 5 20 4 2 4 4 4 25 30 22 27 24 1985 1024.0 1019.8 1030.7 1012.4 1011.7 1000.8 998.5 1007.0 1010.4 1016.6 1022.1 1027.0 1030.7 DAY 25 8 12 9 13 2 15 31 30 26 22 8 1986 1031.9 1021.9 1023.3 1015.1 1012.5 1003.9 1001.9 1006.0 1013.2 1018.8 1026.7 1026.8 1031.9 DAY 25 21 28 5 21 3 23 29 22 20 16 7 1987 1025.2 1025.0 1018.2 1015.0 1014.0 1009.6 1004.6 1004.1 1012.4 1023.6 1032.4 1036.0 1036.0 DAY 13 8 23 1 1 1 29 7 26 29 30 1 1988 1032.8 1029.9 1019.7 1020.0 1008.2 1006.9 999.5 1002.2 1010.6 1018.1 1024.0 1031.9 1032.8 DAY 3 7 25 4 3 1 31 27 25 4 26 30 1989 1029.5 1029.9 1019.0 1017.8 1015.4 1001.6 1000.9 1004.7 1017.5 1020.8 1022.3 1023.2 1029.9 DAY 31 26 1 1 2 16 20 31 24 27 26 19 1990 1030.5 1026.8 1024.2 1013.9 1008.7 1006.6 1000.6 1002.5 1009.5 1023.4 1025.4 1033.2 1033.2 DAY 27 1 22 12 16 1 16 16 26 19 24 29 1991 1029.1 1034.5 1021.9 1017.0 1010.4 1004.2 999.6 1002.5 1017.0 1016.6 1024.3 1027.2 1034.5 DAY 13 15 13 15 9 25 2 23 28 28 29 18 1992 1033.6 1025.0 1029.7 1016.7 1013.8 1004.8 1001.0 1006.0 1012.3 1018.3 1022.3 1027.5 1033.6 DAY 10 17 13 12 3 2 16 16 2 30 18 11 1993 1027.0 1025.1 1021.5 1018.3 1013.0 1007.0 1002.4 1005.9 1009.2 1023.7 1024.6 1028.8 1028.8 DAY 6 8 24 1 10 23 27 26 23 9 23 7 1994 1028.6 1022.7 1020.8 1024.6 1011.0 1002.0 999.0 1000.1 1017.9 1024.3 1019.3 1034.6 1034.6 DAY 19 21 4 6 8 1 14 16 23 10 21 8 1995 1025.6 1021.7 1021.9 1014.6 1013.8 1009.9 997.7 1000.8 1010.2 1023.0 1026.4 1026.7 1026.7 DAY 8 26 3 8 27 2 28 11 23 27 28 11 1996 1027.7 1024.4 1016.3 1019.4 1011.5 1002.5 1004.5 1006.1 1009.0 1020.3 1033.0 1028.7 1033.0 DAY 28 14 6 7 3 1 3 31 26 20 19 8 1997 1024.8 1026.6 1021.7 1017.3 1017.0 1004.8 994.4 1003.2 1010.4 1016.1 1024.8 1030.9 1030.9 DAY 19 8 11 14 7 4 9 30 18 25 30 29 1998 1024.0 1026.8 1018.7 1019.5 1012.8 1005.2 1001.0 1003.7 1010.2 1017.8 1021.6 1027.5 1027.5 DAY 23 24 5 12 8 7 21 30 13 11 21 10 1999 1028.2 1020.5 1019.1 1015.1 1008.7 1005.1 999.6 1004.5 1014.0 1014.1 1022.6 1028.1 1028.2 DAY 3 1 19 12 12 1 31 19 30 27 14 6 2000 1028.0 1026.4 1020.1 1013.7 1005.4 1004.0 1002.7 1003.9 1008.0 1016.7 1027.5 1026.0 1028.0 DAY 31 11 4 3 6 17 26 24 29 7 17 18 2001 1030.6 1025.2 1023.8 1014.0 1006.5 1002.6 1001.5 1006.6 1012.9 1018.0 1023.9 1027.1 1030.6 DAY 29 1 12 4 1 3 30 15 23 11 21 18 2002 1026.4 1027.3 1024.8 1015.4 1007.8 1003.4 1002.1 1002.5 1011.0 1014.4 1025.6 1028.3 1028.3 DAY 15 2 12 1 10 25 31 1 30 26 30 5 2003 1023.8 1021.8 1030.7 1013.9 1015.3 1004.7 996.3 1003.8 1012.3 1015.6 1030.2 1033.4 1033.4 DAY 12 7 3 19 3 1 3 5 28 16 25 14 2004 1026.8 1025.0 1021.4 1012.4 1007.1 1004.6 1002.5 1003.7 1014.0 1019.3 1022.0 1029.5 1029.5 DAY 1 9 23 13 7 7 18 30 27 27 29 4 2005 1023.2 1023.8 1015.5 1018.8 1009.2 1003.0 997.3 1001.0 1004.8 1016.7 1022.2 1026.3 1026.3 DAY 14 18 28 9 8 6 29 27 27 27 28 30 1956-2005 1036.6 1034.5 1030.7 1024.6 1019.5 1011.5 1009.4 1022.1 1028.4 1033.0 1033.0 1037.1 1037.1 YEAR-DAY 73- 6 91-15 85-12 94- 6 58-14 68- 1 57-29 57-25 57-11 83-28 96-19 72-27 72-27 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 75 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MIN. OF QFF PRESSURE IN HPA AT 0300 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 995.8 988.7 999.0 1002.0 1013.7 1013.9 1014.9 ****** DAY ** ** ** ** ** 30 23 5 10 29 8 10 1957 1008.9 1006.8 1007.6 1006.6 1004.7 995.2 991.8 1005.6 1007.3 1001.1 1012.2 1008.4 991.8 DAY 12 5 7 25 31 7 13 8 19 11 18 10 1958 1013.6 1013.3 1009.7 1007.2 1006.2 996.1 987.5 997.3 1000.3 1009.2 1012.6 1012.5 987.5 DAY 18 24 25 22 1 21 10 3 5 10 7 10 1959 1007.5 1004.7 1001.2 1003.6 997.7 991.3 991.8 990.8 996.9 1004.4 1009.0 1018.1 990.8 DAY 23 17 1 19 31 29 3 6 12 5 26 12 1960 1012.0 1010.7 1004.0 1004.8 997.9 993.4 991.1 993.4 996.8 1008.6 1007.6 1016.5 991.1 DAY 27 29 9 21 17 30 9 12 2 9 20 30 1961 1010.6 1008.7 1001.4 1002.3 992.8 993.8 991.6 995.3 996.5 1003.6 1009.2 1009.9 991.6 DAY 27 16 13 2 29 7 15 2 11 2 24 15 1962 1013.4 1008.4 1001.4 1001.3 999.6 995.9 994.5 997.7 1001.0 1007.0 1012.7 1014.1 994.5 DAY 9 18 29 12 26 30 15 3 18 10 11 25 1963 1016.6 1011.0 1005.6 1001.5 998.2 992.7 994.7 994.9 994.1 1008.6 1012.3 1010.6 992.7 DAY 25 13 13 14 26 17 6 12 8 2 12 11 1964 1007.3 1009.5 1006.6 997.4 1000.0 989.8 990.7 991.1 999.8 1006.4 1005.9 1014.6 989.8 DAY 19 13 29 9 13 29 11 2 5 4 28 25 1965 1006.9 1007.4 1006.9 1001.1 999.9 993.2 993.4 998.5 1005.7 1006.5 1011.0 1013.0 993.2 DAY 11 23 24 21 30 25 12 1 7 25 9 21 1966 1014.6 1006.8 998.7 1002.0 1001.5 990.3 994.3 994.9 1002.0 1005.8 1019.7 1009.4 990.3 DAY 31 15 20 23 27 27 18 6 1 2 16 13 1967 1009.9 1008.1 999.4 1000.6 999.0 995.5 989.1 994.7 1000.7 1005.8 1012.1 1008.0 989.1 DAY 22 13 23 25 19 6 10 5 7 3 26 24 1968 1006.6 1006.5 1001.5 1000.8 1002.5 992.8 992.0 993.9 1000.5 1006.8 1013.1 1009.1 992.0 DAY 25 3 19 25 17 21 12 14 8 11 18 5 1969 1002.7 1009.5 1001.9 1001.8 998.2 994.6 991.4 995.9 999.5 1006.1 1010.4 1012.4 991.4 DAY 25 22 24 18 31 23 23 7 12 29 9 14 1970 1008.0 1008.0 1008.6 1000.9 998.0 995.1 992.2 991.7 998.2 1000.9 1013.6 1009.3 991.7 DAY 23 24 24 20 31 30 5 7 1 9 10 14 1971 1008.2 1000.6 1002.1 999.3 996.4 990.0 992.4 994.8 999.8 1006.4 1011.7 1006.5 990.0 DAY 14 14 21 26 30 29 1 9 2 7 5 20 1972 1011.1 1009.3 1003.8 1001.2 998.5 989.6 990.8 992.4 1000.1 1011.2 1009.0 1012.7 989.6 DAY 15 9 18 25 3 25 4 1 12 17 8 17 1973 1007.8 1001.7 1004.3 1002.2 997.0 980.8 989.0 995.1 1000.6 1007.8 1009.8 1011.4 980.8 DAY 16 23 7 24 30 15 16 4 5 11 5 9 1974 1000.5 1009.0 1005.1 1000.0 997.7 994.2 988.8 993.4 996.9 1013.0 1011.9 1011.4 988.8 DAY 25 27 24 30 27 26 20 11 2 1 25 6 1975 1012.7 1005.7 1001.5 1002.7 1001.4 995.9 994.3 991.0 999.0 1002.9 1005.7 1012.1 991.0 DAY 28 11 3 15 24 26 5 14 10 4 29 24 1976 1009.3 1004.5 1002.4 1004.9 1000.1 993.5 989.6 995.8 1000.9 1005.3 1005.9 1010.7 989.6 DAY 7 11 14 22 28 6 20 1 1 4 29 31 1977 1010.9 1008.7 1006.5 1000.7 999.4 989.1 988.3 992.6 1003.7 1006.3 1008.4 1009.1 988.3 DAY 21 7 23 25 17 24 2 19 2 6 17 23 1978 1009.5 1006.8 1004.6 1000.0 993.7 989.2 991.0 996.0 996.8 1006.4 1010.6 1007.5 989.2 DAY 26 12 15 20 30 22 3 18 2 1 13 17 1979 1009.0 1005.3 1001.0 1002.5 1002.5 993.0 993.2 995.2 1004.9 1008.8 1009.4 1008.8 993.0 DAY 11 11 28 17 6 22 6 23 5 5 30 16 1980 1002.3 1003.9 1003.0 1002.2 999.9 993.3 996.0 993.8 1001.5 1006.4 1011.0 1011.0 993.3 DAY 17 12 3 17 29 17 3 11 20 5 25 12 1981 1009.5 1004.8 1002.5 1001.9 998.1 994.1 991.6 996.0 1002.3 1007.5 1008.4 1013.2 991.6 DAY 27 12 28 2 13 27 2 14 23 17 6 18 1982 1004.8 1006.7 1003.5 1000.0 1002.1 994.4 989.7 988.3 1001.2 1006.3 1011.0 1013.8 988.3 DAY 29 14 27 19 24 25 31 1 14 1 14 30 1983 1008.2 1005.9 1002.8 1003.9 999.3 992.3 990.9 992.4 994.2 1004.2 1013.7 1010.0 990.9 DAY 25 28 7 25 30 29 27 5 14 5 12 12 1984 1006.6 1009.6 999.3 1002.2 996.6 992.3 993.5 993.6 997.8 1008.4 1010.0 1011.1 992.3 DAY 17 8 13 26 30 25 16 8 1 18 13 15 1985 1011.4 1000.5 1000.5 1000.1 998.5 993.4 991.5 995.5 998.1 1004.5 1009.0 1006.6 991.5 DAY 17 17 25 25 22 19 27 1 8 11 8 19 1986 1004.0 1006.1 1005.0 1002.0 1000.4 989.6 993.9 997.7 1003.0 1006.8 1007.7 1007.6 989.6 DAY 20 16 8 30 11 21 20 4 30 1 8 31 1987 1007.1 1008.3 1001.8 1002.0 1000.3 994.6 992.7 993.7 999.5 1003.3 1009.1 1007.0 992.7 DAY 3 10 14 20 23 12 4 30 2 9 8 29 1988 1006.9 1008.7 998.9 1001.4 998.4 990.1 988.9 994.0 997.1 1007.0 1011.7 1005.9 988.9 DAY 29 25 24 23 25 24 8 8 1 8 29 26 1989 1006.4 1001.9 1002.0 1003.8 998.3 994.8 993.9 994.2 997.3 1003.3 1011.8 1009.3 993.9 DAY 3 23 28 30 30 7 18 2 12 2 20 5 1990 1010.8 1002.0 1004.7 998.0 993.1 991.9 987.6 994.8 997.4 1004.6 1007.8 1006.3 987.6 DAY 2 16 25 16 13 28 5 10 3 2 1 26 1991 1003.6 1006.8 1003.6 1001.8 996.0 992.0 990.0 993.0 1000.2 1008.2 1009.9 1008.3 990.0 DAY 26 28 1 11 23 13 15 12 4 5 6 26 1992 1006.2 1006.9 1000.8 999.9 1001.6 988.4 994.0 994.0 1002.5 1006.0 1007.7 1009.1 988.4 DAY 31 5 31 19 21 27 23 2 18 15 26 4 1993 1004.7 1008.3 1000.8 1000.6 998.1 993.1 992.7 995.7 1000.8 1005.4 1006.7 1010.3 992.7 DAY 9 22 22 13 29 13 14 13 4 3 14 5 1994 1008.0 1005.6 1004.9 1002.1 1000.7 989.3 988.9 990.7 996.5 1007.2 1003.5 1004.3 988.9 DAY 17 12 13 3 11 30 20 2 1 3 26 4 1995 1011.5 1005.0 1000.5 1003.7 999.7 992.0 986.6 993.5 1000.3 1004.7 1004.4 1014.5 986.6 DAY 13 24 27 16 11 17 17 3 20 13 26 6 1996 1011.4 1005.1 1005.2 1002.4 999.7 995.0 995.7 995.0 994.5 1004.4 1009.6 1012.4 994.5 DAY 7 5 27 11 29 6 12 8 21 6 10 30 1997 1004.0 1003.6 1000.0 1000.8 1000.0 992.6 987.5 993.7 998.5 1005.8 1007.3 1006.6 987.5 DAY 17 1 30 11 5 24 16 1 3 1 13 11 1998 1006.2 1003.2 1003.1 1000.4 995.6 994.3 985.5 994.8 997.4 1002.1 1009.3 1009.1 985.5 DAY 6 13 15 23 30 30 8 3 7 4 1 19 1999 1006.6 1001.6 1005.3 1000.8 993.8 989.0 990.5 993.2 997.0 1007.2 1008.4 1012.3 989.0 DAY 18 6 13 9 21 25 11 7 16 25 2 16 2000 1004.6 1005.5 1005.0 1001.6 993.5 989.6 990.7 994.5 993.2 1003.7 1007.8 1007.9 989.6 DAY 21 8 14 18 30 26 9 4 2 2 6 15 2001 1010.0 1003.4 997.4 999.8 993.0 990.9 988.0 993.7 997.2 1005.6 1007.9 1009.4 988.0 DAY 20 21 26 13 26 29 11 28 1 2 12 6 2002 1010.4 1007.9 1004.4 992.1 995.6 987.9 991.2 991.9 1000.3 1007.3 1009.2 1004.0 987.9 DAY 8 28 27 4 21 21 26 18 18 15 7 22 2003 1006.0 1003.6 1002.5 1002.4 997.6 989.2 987.2 990.4 997.5 1004.1 1006.6 1011.3 987.2 DAY 29 16 14 28 24 30 26 1 12 6 15 7 2004 1002.7 1006.7 1003.2 998.9 992.5 989.2 991.2 992.5 999.7 1010.6 1004.7 1006.9 989.2 DAY 27 16 31 1 14 18 11 15 12 5 24 17 2005 1006.3 1002.6 998.9 995.6 996.1 984.8 986.3 991.6 995.5 1003.0 1006.0 1007.8 984.8 DAY 25 5 24 30 6 28 5 8 6 5 9 24 1956-2005 1000.5 1000.5 997.4 992.1 992.5 980.8 985.5 988.3 993.2 1000.9 1003.5 1004.0 980.8 YEAR-DAY 74-25 85-17 1-26 2- 4 4-14 73-15 98- 8 82- 1 0- 2 70- 9 94-26 2-22 73-15 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 76 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF COMPUTED QFF PRESSURE IN HPA AT 0300 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 996.7 995.7 1002.4 1005.4 1015.4 1019.6 1022.4 ****** 1957 1018.6 1018.6 1013.2 1010.5 1006.8 1001.7 999.2 1011.0 1015.6 1014.1 1019.0 1019.4 1012.3 1958 1019.1 1018.4 1012.8 1010.0 1008.7 1000.4 996.4 1000.5 1005.0 1013.8 1023.3 1019.8 1010.7 1959 1020.9 1015.2 1013.1 1010.0 1005.4 1001.0 996.8 994.7 1000.7 1011.4 1018.8 1025.2 1009.4 1960 1020.6 1017.2 1013.0 1010.5 1007.1 998.1 995.4 997.7 1006.0 1014.5 1019.5 1022.7 1010.2 1961 1020.8 1017.8 1011.9 1010.6 1004.1 1000.9 994.8 999.5 1001.6 1014.3 1018.7 1019.0 1009.5 1962 1020.8 1015.7 1011.5 1008.2 1004.8 1000.9 997.7 1002.1 1007.7 1015.1 1022.4 1021.2 1010.7 1963 1020.0 1016.4 1011.0 1007.6 1003.8 999.0 996.7 998.5 1005.9 1013.0 1017.0 1021.2 1009.2 1964 1025.6 1016.5 1012.3 1007.1 1004.4 998.2 994.6 995.6 1006.0 1016.5 1019.3 1026.1 1010.2 1965 1017.4 1015.3 1013.9 1008.3 1005.4 999.8 996.2 1002.1 1008.2 1012.6 1018.3 1020.4 1009.8 1966 1020.3 1014.6 1012.1 1010.1 1006.9 999.1 997.5 1000.5 1006.4 1013.9 1023.9 1019.1 1010.4 1967 1022.1 1015.4 1011.0 1009.5 1006.9 1000.9 994.6 998.8 1004.1 1015.6 1016.3 1019.8 1009.6 1968 1017.4 1018.3 1012.7 1011.1 1008.4 999.8 998.5 999.5 1006.8 1014.2 1019.6 1018.1 1010.3 1969 1019.3 1018.9 1011.4 1009.8 1005.7 1000.6 995.5 1001.9 1008.4 1012.7 1021.6 1020.2 1010.5 1970 1019.4 1016.1 1014.1 1010.8 1005.3 998.6 996.3 996.4 1005.2 1012.7 1018.9 1020.0 1009.5 1971 1021.7 1014.0 1013.7 1007.7 1002.4 994.7 996.6 997.8 1008.0 1013.8 1017.8 1016.7 1008.7 1972 1020.1 1021.3 1012.2 1008.8 1005.3 998.7 996.5 1002.6 1007.2 1014.5 1016.8 1022.0 1010.5 1973 1023.5 1015.0 1012.4 1007.8 1002.6 995.3 993.3 999.1 1005.0 1013.2 1018.1 1021.0 1008.8 1974 1018.7 1018.8 1013.1 1006.7 1003.5 997.6 995.2 997.9 1004.5 1016.2 1018.7 1019.6 1009.2 1975 1020.3 1015.2 1012.5 1010.8 1004.5 998.5 995.5 997.2 1004.8 1011.5 1019.1 1021.0 1009.2 1976 1016.5 1016.0 1013.0 1009.6 1004.3 999.6 993.4 998.6 1004.1 1010.7 1021.5 1021.4 1009.1 1977 1019.7 1019.4 1013.3 1007.4 1004.0 995.8 992.2 998.2 1007.1 1012.4 1016.8 1018.1 1008.7 1978 1019.6 1016.8 1012.3 1006.1 1002.8 996.6 996.2 998.2 1004.9 1013.8 1018.1 1017.8 1008.6 1979 1018.8 1014.3 1013.0 1009.1 1007.7 999.6 997.1 1000.6 1008.1 1012.9 1020.1 1018.9 1010.0 1980 1018.1 1015.6 1012.1 1007.7 1004.0 997.9 998.1 998.1 1005.8 1011.2 1017.2 1018.5 1008.7 1981 1018.4 1014.5 1010.4 1007.3 1004.3 999.4 996.0 999.9 1008.4 1015.8 1016.8 1018.5 1009.1 1982 1017.7 1015.2 1011.7 1008.5 1007.1 999.1 997.0 996.6 1007.3 1012.4 1017.2 1021.5 1009.3 1983 1019.2 1016.3 1013.6 1009.4 1003.8 999.2 996.1 996.2 1002.6 1013.6 1018.8 1020.5 1009.1 1984 1018.1 1020.2 1011.3 1007.6 1003.4 997.2 996.8 995.1 1005.6 1016.4 1016.4 1021.7 1009.2 1985 1017.1 1010.4 1013.5 1005.5 1003.5 996.2 993.8 1000.5 1004.6 1010.9 1016.5 1017.4 1007.5 1986 1018.5 1014.5 1012.4 1007.3 1004.2 995.1 997.3 1000.7 1007.3 1011.6 1014.9 1017.1 1008.4 1987 1016.9 1016.4 1007.9 1008.4 1005.1 999.6 998.2 998.1 1003.2 1014.5 1017.3 1019.0 1008.7 1988 1017.1 1015.1 1008.9 1007.7 1002.1 997.5 992.4 996.8 1002.9 1011.9 1016.5 1016.0 1007.1 1989 1018.1 1019.1 1009.9 1009.3 1005.2 997.6 996.9 999.0 1003.3 1011.3 1016.1 1016.3 1008.5 1990 1017.6 1013.5 1013.7 1006.2 1001.6 997.1 994.9 997.0 1002.7 1012.3 1016.8 1018.1 1007.6 1991 1017.7 1016.9 1011.2 1008.3 1001.6 998.1 994.5 997.3 1005.3 1013.3 1017.4 1016.0 1008.1 1992 1017.9 1012.9 1012.8 1007.8 1006.4 997.4 995.9 999.6 1006.7 1011.8 1016.6 1016.7 1008.5 1993 1019.1 1015.4 1013.4 1007.8 1004.1 998.0 996.9 1000.6 1004.3 1015.8 1016.6 1020.4 1009.4 1994 1017.9 1013.3 1011.1 1009.2 1004.1 994.9 992.4 995.3 1008.0 1014.3 1013.9 1019.7 1007.8 1995 1018.6 1014.8 1012.6 1008.3 1005.6 998.2 991.2 997.2 1004.5 1011.9 1015.6 1020.7 1008.3 1996 1019.6 1013.6 1009.9 1008.3 1005.6 998.1 998.2 999.6 1002.2 1012.1 1019.8 1021.0 1009.0 1997 1016.8 1015.4 1010.3 1008.2 1005.9 998.3 992.4 997.6 1004.9 1011.4 1016.8 1017.6 1008.0 1998 1015.8 1015.1 1011.1 1007.7 1004.8 1001.0 995.1 999.6 1004.1 1011.4 1016.5 1019.2 1008.4 1999 1018.1 1014.3 1010.9 1008.0 1003.3 996.7 994.8 999.3 1002.6 1010.8 1015.3 1022.3 1008.0 2000 1016.1 1015.4 1011.9 1006.2 999.0 997.4 997.8 999.6 1002.2 1011.3 1018.1 1018.1 1007.7 2001 1019.5 1015.2 1011.2 1005.6 999.9 995.6 993.9 1000.0 1004.2 1010.8 1015.6 1018.2 1007.5 2002 1017.9 1015.6 1011.7 1006.1 1001.6 997.3 996.9 996.9 1005.1 1011.1 1017.2 1017.8 1007.9 2003 1017.5 1011.4 1011.6 1008.1 1005.9 996.9 992.8 998.9 1004.1 1011.0 1017.7 1021.0 1008.1 2004 1014.6 1015.1 1012.3 1006.8 1001.7 997.4 997.6 997.7 1006.1 1014.6 1028.2 1031.6 1010.3 2005 1031.2 1027.8 1022.8 1022.3 1017.3 1009.3 1006.9 1010.2 1015.1 1024.4 1030.4 1032.3 1020.8 MEAN 1019.1 1016.1 1012.2 1008.6 1004.7 998.4 995.9 999.2 1005.6 1013.3 1018.5 1020.2 1009.3 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 77 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MAX. OF COMPUTED QFF PRESSURE IN HPA AT 0300 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1002.6 1000.3 1011.1 1012.6 1020.7 1025.1 1029.5 ****** DAY ** ** ** ** ** 8 18 31 30 26 16 24 1957 1028.4 1030.6 1019.2 1018.2 1011.2 1006.6 1008.1 1018.1 1023.5 1020.7 1030.7 1029.1 1030.7 DAY 14 8 3 6 12 9 30 25 10 21 24 30 1958 1026.3 1023.7 1018.4 1017.6 1017.9 1007.1 1004.2 1004.1 1012.0 1019.0 1029.9 1025.8 1029.9 DAY 2 14 1 1 14 3 16 27 30 23 24 27 1959 1029.9 1023.5 1019.8 1016.7 1013.8 1005.6 1004.3 998.4 1007.4 1019.3 1025.4 1036.0 1036.0 DAY 3 23 10 9 5 4 20 28 27 21 22 16 1960 1028.3 1028.5 1025.7 1018.4 1016.6 1004.9 1001.2 1000.3 1010.8 1022.6 1026.4 1030.3 1030.3 DAY 29 2 21 8 6 3 30 19 25 31 27 6 1961 1031.5 1027.7 1023.8 1018.0 1012.7 1010.2 998.9 1004.5 1009.7 1024.9 1026.5 1029.5 1031.5 DAY 10 23 4 19 2 10 24 10 30 31 29 4 1962 1031.1 1027.3 1022.7 1015.2 1010.7 1008.3 1003.7 1007.0 1018.3 1021.3 1030.7 1030.3 1031.1 DAY 19 11 4 19 17 2 31 29 28 27 23 1 1963 1024.9 1024.8 1020.8 1015.1 1010.4 1007.3 1000.5 1001.9 1011.0 1017.3 1020.3 1030.9 1030.9 DAY 6 5 23 2 15 11 25 28 25 12 30 28 1964 1035.3 1028.9 1019.9 1016.3 1008.2 1008.1 1000.0 1001.3 1016.1 1022.3 1030.0 1032.4 1035.3 DAY 31 1 18 25 3 2 17 31 29 28 30 3 1965 1026.4 1024.3 1023.0 1014.3 1011.1 1006.9 1000.0 1006.0 1012.6 1018.6 1023.8 1029.1 1029.1 DAY 17 26 17 11 22 4 20 10 30 29 25 23 1966 1026.3 1023.6 1025.2 1021.7 1013.3 1008.1 1001.4 1006.3 1010.9 1021.0 1029.5 1027.8 1029.5 DAY 2 26 3 6 13 2 4 17 5 31 28 8 1967 1030.9 1025.5 1025.1 1019.8 1016.1 1009.2 1000.4 1002.6 1009.0 1023.4 1019.4 1026.7 1030.9 DAY 6 21 1 4 3 16 15 16 26 27 18 28 1968 1029.7 1030.2 1026.0 1017.6 1016.1 1010.6 1004.4 1007.8 1012.8 1021.7 1025.8 1027.8 1030.2 DAY 20 7 28 8 1 1 16 30 21 30 23 24 1969 1029.1 1030.6 1020.1 1016.0 1012.5 1010.3 1001.2 1008.4 1018.9 1015.9 1030.7 1025.4 1030.7 DAY 9 4 25 15 13 3 14 31 14 26 24 12 1970 1028.8 1024.2 1020.3 1018.7 1012.4 1003.7 1003.0 1001.4 1015.2 1022.1 1025.2 1030.6 1030.6 DAY 3 2 26 27 23 16 23 30 22 28 15 16 1971 1030.0 1025.8 1020.3 1014.6 1008.6 999.7 1002.2 1000.6 1014.0 1019.0 1025.2 1025.2 1030.0 DAY 4 3 4 21 1 9 26 15 24 22 21 12 1972 1030.9 1032.8 1020.3 1015.0 1014.9 1007.7 1001.0 1009.0 1014.2 1021.8 1024.7 1036.2 1036.2 DAY 9 25 4 8 24 1 26 27 23 26 24 27 1973 1035.9 1029.6 1028.1 1014.8 1011.5 1003.4 998.9 1002.1 1014.3 1017.9 1027.0 1031.7 1035.9 DAY 6 7 10 14 8 3 28 31 29 21 12 26 1974 1027.9 1029.2 1024.3 1014.3 1011.4 1002.3 1000.9 1000.3 1009.6 1023.8 1026.5 1026.8 1029.2 DAY 6 5 8 13 2 1 29 14 30 15 18 31 1975 1034.0 1024.7 1021.5 1021.8 1010.6 1003.0 999.6 1005.1 1011.9 1021.4 1025.8 1030.2 1034.0 DAY 16 18 10 4 20 6 29 31 22 25 21 26 1976 1024.2 1026.6 1022.6 1018.3 1008.6 1005.7 998.8 1003.7 1007.9 1019.1 1028.5 1028.2 1028.5 DAY 2 22 27 4 13 21 23 28 21 31 12 13 1977 1030.6 1026.9 1022.6 1012.8 1008.6 1004.3 995.2 1003.2 1011.9 1019.6 1025.3 1025.0 1030.6 DAY 11 15 10 18 1 1 26 24 30 28 28 18 1978 1027.9 1026.9 1020.5 1012.2 1012.3 1005.6 1004.5 1001.8 1011.4 1017.7 1029.8 1027.9 1029.8 DAY 17 6 9 6 4 5 9 25 29 24 27 25 1979 1026.6 1021.6 1026.9 1017.8 1014.6 1008.1 1001.0 1009.2 1012.6 1018.6 1027.7 1031.3 1031.3 DAY 28 2 5 18 11 5 4 31 29 21 25 23 1980 1025.8 1027.8 1021.7 1017.3 1009.6 1005.9 1002.8 1005.8 1012.5 1019.5 1024.4 1024.4 1027.8 DAY 10 3 5 21 1 2 18 31 24 31 27 21 1981 1027.3 1025.1 1023.7 1019.5 1013.6 1007.2 1003.9 1004.4 1013.8 1023.9 1025.3 1025.2 1027.3 DAY 9 5 6 3 2 1 30 3 27 25 27 2 1982 1029.1 1028.6 1021.2 1019.4 1014.4 1005.7 1001.5 1004.5 1011.9 1020.0 1029.1 1028.1 1029.1 DAY 22 20 1 5 13 1 14 31 21 26 19 9 1983 1030.3 1025.3 1023.1 1014.4 1008.6 1008.5 1002.1 999.2 1009.4 1022.4 1025.5 1029.1 1030.3 DAY 11 24 19 3 8 1 12 18 30 28 27 25 1984 1027.8 1030.1 1020.9 1014.2 1008.5 1002.5 1000.0 998.2 1012.7 1025.8 1023.7 1029.4 1030.1 DAY 5 20 4 2 3 4 23 29 30 22 27 24 1985 1022.8 1018.9 1029.2 1011.1 1010.8 1000.0 997.7 1006.3 1009.6 1015.8 1021.0 1025.5 1029.2 DAY 25 25 12 18 13 2 15 31 30 26 18 8 1986 1030.1 1020.9 1022.3 1014.0 1011.7 1003.7 1001.2 1005.3 1012.4 1018.1 1025.1 1025.7 1030.1 DAY 25 21 28 5 21 5 23 29 23 20 16 13 1987 1024.3 1023.8 1017.1 1014.5 1012.6 1008.5 1003.1 1002.9 1011.3 1022.9 1031.6 1034.6 1034.6 DAY 17 8 23 8 1 1 29 7 26 29 30 1 1988 1031.6 1028.7 1018.5 1019.5 1007.0 1006.0 998.3 1001.3 1010.1 1017.4 1023.4 1030.8 1031.6 DAY 3 7 25 4 3 1 31 27 30 4 26 30 1989 1028.5 1028.9 1018.0 1017.1 1014.9 1000.8 999.9 1003.9 1016.8 1020.0 1022.1 1022.2 1028.9 DAY 31 26 1 1 2 16 20 31 24 27 26 19 1990 1029.3 1025.9 1023.1 1013.1 1007.9 1005.5 999.3 1001.4 1008.8 1022.7 1024.7 1032.3 1032.3 DAY 27 1 22 12 16 1 16 16 26 19 24 29 1991 1027.8 1033.4 1020.8 1016.4 1009.6 1003.7 998.8 1001.5 1016.2 1016.2 1023.3 1025.9 1033.4 DAY 13 15 13 15 9 26 2 23 28 28 29 18 1992 1032.4 1023.9 1028.5 1016.0 1013.0 1003.7 1000.1 1005.3 1011.6 1017.4 1021.5 1026.3 1032.4 DAY 10 17 13 12 3 2 16 16 2 30 18 11 1993 1025.5 1023.9 1020.4 1017.8 1012.2 1005.9 1001.5 1005.1 1008.6 1023.1 1023.8 1027.7 1027.7 DAY 6 8 24 1 10 23 27 26 23 9 23 7 1994 1027.4 1021.6 1019.7 1022.5 1010.1 1001.3 998.1 999.1 1017.4 1023.3 1018.6 1033.6 1033.6 DAY 19 21 4 6 8 1 14 17 23 10 21 8 1995 1025.1 1020.6 1020.7 1014.1 1012.9 1008.9 996.9 1000.1 1009.4 1022.1 1026.6 1025.7 1026.6 DAY 8 26 3 1 27 2 28 11 23 27 28 11 1996 1026.6 1023.2 1015.4 1018.8 1010.9 1001.5 1004.3 1006.0 1009.0 1020.3 1032.8 1028.6 1032.8 DAY 28 14 30 7 4 1 4 31 26 20 19 8 1997 1024.9 1027.6 1023.2 1017.3 1015.9 1004.8 994.5 1002.9 1010.3 1016.1 1024.8 1031.0 1031.0 DAY 19 8 1 14 7 4 9 30 18 25 30 29 1998 1024.1 1026.8 1018.8 1019.3 1012.7 1005.1 1001.1 1003.4 1009.6 1017.6 1021.4 1027.5 1027.5 DAY 23 24 5 12 8 7 21 30 13 11 21 10 1999 1029.3 1020.6 1019.9 1015.1 1009.0 1004.9 999.5 1004.6 1013.4 1014.9 1022.7 1028.0 1029.3 DAY 3 2 19 12 12 1 31 19 30 28 14 6 2000 1028.0 1026.5 1020.2 1013.6 1005.9 1004.1 1002.8 1003.7 1008.0 1016.5 1027.3 1025.9 1028.0 DAY 31 11 4 3 6 17 26 23 29 6 17 18 2001 1030.6 1024.8 1023.7 1013.8 1005.9 1002.2 1001.2 1006.2 1012.5 1017.5 1023.5 1026.5 1030.6 DAY 29 1 12 4 1 3 30 15 23 11 21 18 2002 1027.1 1027.0 1024.5 1017.0 1007.4 1002.9 1002.1 1002.5 1010.7 1014.5 1025.6 1028.3 1028.3 DAY 28 2 12 1 10 25 31 2 30 26 30 5 2003 1023.8 1021.8 1030.7 1013.9 1015.3 1005.5 996.3 1003.8 1012.3 1015.6 1030.1 1033.4 1033.4 DAY 12 7 3 19 3 1 3 5 28 16 25 14 2004 1026.8 1025.2 1021.4 1012.5 1007.1 1004.6 1002.3 1002.8 1014.0 1019.3 1037.2 1045.1 1045.1 DAY 1 9 23 13 7 7 18 31 27 27 29 4 2005 1040.0 1039.5 1030.6 1033.9 1023.7 1017.0 1011.2 1014.9 1019.0 1031.5 1037.6 1042.1 1042.1 DAY 14 18 28 9 8 6 29 27 27 27 28 30 1956-2005 1040.0 1039.5 1030.7 1033.9 1023.7 1017.0 1011.2 1018.1 1023.5 1031.5 1037.6 1045.1 1045.1 YEAR-DAY 5-14 5-18 3- 3 5- 9 5- 8 5- 6 5-29 57-25 57-10 5-27 5-28 4- 4 4- 4 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 78 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MIN. OF COMPUTED QFF PRESSURE IN HPA AT 0300 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 990.9 990.6 997.7 1000.7 1011.5 1011.6 1013.1 ****** DAY ** ** ** ** ** 3 11 5 13 29 8 11 1957 1006.6 1004.3 1006.1 1003.1 1002.5 992.6 990.1 1003.5 1006.1 1006.1 1011.1 1007.7 990.1 DAY 12 5 7 25 31 7 13 8 29 11 18 10 1958 1012.7 1012.7 1008.9 1005.9 1005.4 995.0 986.1 995.9 999.1 1008.4 1011.3 1013.3 986.1 DAY 6 25 25 30 1 30 10 3 5 10 7 11 1959 1006.1 1004.8 1000.3 1002.4 996.0 990.1 990.1 989.2 995.9 1003.5 1008.7 1017.2 989.2 DAY 23 17 1 19 31 29 3 3 12 5 26 1 1960 1012.0 1010.2 1003.6 1003.8 997.5 993.0 989.7 993.4 996.0 1008.0 1006.9 1015.9 989.7 DAY 27 29 25 21 17 30 9 12 2 9 20 30 1961 1007.3 1008.5 1001.4 1002.0 992.8 992.9 990.5 994.3 996.0 1005.8 1009.1 1009.5 990.5 DAY 22 16 13 2 29 7 15 2 11 3 24 15 1962 1013.0 1008.3 1001.3 1001.2 999.0 993.0 993.2 996.8 1000.1 1006.2 1015.4 1013.2 993.0 DAY 9 18 29 6 26 10 15 3 18 10 4 25 1963 1015.5 1010.1 1005.0 1000.2 998.2 991.3 993.6 993.6 997.7 1007.5 1011.2 1008.7 991.3 DAY 25 13 13 14 26 17 6 12 8 2 12 11 1964 1006.2 1008.5 1005.5 996.4 998.7 988.3 989.3 989.5 998.6 1005.1 1004.7 1013.5 988.3 DAY 19 13 29 9 13 29 11 2 5 4 28 25 1965 1004.0 1006.4 1005.6 1000.0 998.6 991.8 992.6 997.0 1004.4 1005.6 1010.2 1012.7 991.8 DAY 11 23 24 21 30 25 12 1 7 25 10 21 1966 1014.1 1006.6 998.4 1001.6 1000.6 989.8 993.6 994.2 1000.7 1004.7 1019.4 1009.1 989.8 DAY 31 15 20 24 27 27 18 6 1 2 19 13 1967 1009.3 1007.7 999.2 1000.2 998.8 995.0 988.4 994.1 1000.0 1005.0 1011.6 1008.0 988.4 DAY 22 13 23 25 19 6 10 5 9 3 26 24 1968 1006.9 1006.1 1001.3 1000.3 1001.9 992.3 991.2 993.2 999.8 1006.4 1012.5 1008.6 991.2 DAY 25 3 19 25 17 21 12 14 8 11 18 5 1969 1002.4 1009.0 1001.5 1001.3 997.9 994.3 990.9 995.5 998.8 1005.5 1010.4 1012.4 990.9 DAY 25 22 24 18 20 23 23 7 12 29 9 14 1970 1007.7 1007.7 1008.1 1000.4 997.5 994.3 991.4 991.0 997.7 1001.5 1014.3 1008.6 991.0 DAY 23 24 24 20 31 30 5 7 12 9 30 14 1971 1007.5 1000.1 1001.5 998.5 996.2 989.2 991.4 994.1 998.9 1005.6 1011.4 1005.7 989.2 DAY 14 14 21 26 30 29 1 9 2 7 11 20 1972 1010.3 1008.6 1003.4 1000.3 997.7 988.4 989.6 991.4 999.0 1010.5 1008.3 1011.9 988.4 DAY 19 9 18 25 3 25 5 1 12 17 8 17 1973 1007.0 1001.3 1003.5 1001.5 996.3 984.8 987.7 994.0 999.4 1007.0 1009.4 1010.6 984.8 DAY 16 23 7 24 31 16 16 4 6 11 5 9 1974 999.8 1008.3 1004.2 999.2 996.7 993.2 987.5 992.2 996.1 1012.3 1011.4 1010.5 987.5 DAY 25 27 24 30 27 30 20 11 2 3 25 27 1975 1011.4 1005.1 1000.9 1001.9 1000.4 995.0 993.2 990.4 998.1 1002.3 1005.1 1011.6 990.4 DAY 28 11 3 15 26 26 5 14 16 5 29 24 1976 1008.6 1003.7 1001.7 1003.9 999.3 992.7 988.2 994.5 1000.1 1004.0 1005.4 1009.8 988.2 DAY 7 11 14 22 28 6 20 1 1 4 29 31 1977 1010.1 1008.1 1005.7 999.9 998.4 988.1 986.9 991.2 1002.6 1005.2 1007.7 1008.4 986.9 DAY 21 7 23 25 17 24 2 19 2 6 17 23 1978 1008.7 1006.3 1002.9 999.1 993.0 988.3 989.4 995.1 996.1 1005.6 1009.8 1007.1 988.3 DAY 26 12 13 20 30 22 3 18 2 1 1 17 1979 1008.3 1004.7 1000.4 1001.9 1001.5 991.9 991.9 994.2 1004.2 1007.8 1008.8 1007.0 991.9 DAY 11 11 28 17 6 22 6 1 21 5 30 16 1980 1005.1 1003.3 1002.3 1001.4 999.0 992.6 995.2 992.9 1000.7 1005.6 1010.4 1010.2 992.6 DAY 24 25 19 17 29 17 27 11 20 5 25 12 1981 1008.8 1004.0 1001.6 997.7 997.2 993.0 990.8 995.0 1001.3 1006.7 1007.6 1012.4 990.8 DAY 27 12 28 29 13 27 2 14 23 17 6 18 1982 1004.2 1005.7 1002.8 999.2 1000.9 993.6 988.8 987.3 1000.4 1005.3 1010.0 1012.9 987.3 DAY 29 14 27 19 24 25 31 1 14 1 14 30 1983 1007.6 1005.0 1002.2 1003.2 998.2 991.2 989.9 991.2 995.1 1003.4 1013.2 1009.2 989.9 DAY 25 28 7 25 30 29 28 5 9 5 12 12 1984 1004.3 1008.7 998.7 1001.5 995.7 992.3 992.6 992.6 997.0 1007.8 1009.3 1010.1 992.3 DAY 17 8 13 26 30 22 16 8 1 18 13 14 1985 1010.5 1000.0 999.7 999.3 997.6 992.6 990.3 994.7 997.2 1004.2 1008.7 1006.2 990.3 DAY 30 17 25 25 22 19 27 1 8 11 8 19 1986 1003.5 1005.4 1004.1 1001.1 999.4 988.6 993.4 996.9 1002.1 1006.1 1007.1 1007.1 988.6 DAY 20 16 8 18 11 20 19 5 30 1 8 31 1987 1006.2 1007.8 1001.1 1000.8 999.5 993.8 991.8 992.5 998.3 1002.5 1008.5 1005.8 991.8 DAY 3 11 14 20 23 12 4 30 2 9 8 31 1988 1005.8 1007.9 998.5 1000.2 996.6 989.3 988.1 992.9 996.0 1006.3 1011.1 1005.8 988.1 DAY 29 25 24 24 30 24 8 8 1 10 29 26 1989 1006.0 1001.3 1001.9 1002.9 997.4 993.9 992.5 993.0 996.4 1002.8 1011.1 1008.9 992.5 DAY 3 23 28 30 30 7 18 2 12 2 20 5 1990 1009.9 1001.8 1004.1 997.4 993.4 991.4 986.7 993.6 996.5 1003.8 1006.8 1006.0 986.7 DAY 2 16 25 16 13 28 5 10 3 2 1 26 1991 1002.6 1006.2 1003.1 1001.9 995.1 991.3 988.8 993.5 999.4 1007.8 1009.4 1007.4 988.8 DAY 26 28 7 10 23 13 15 13 4 5 6 26 1992 1007.8 1006.3 1000.5 999.3 1000.6 987.6 993.1 993.0 1001.9 1005.2 1007.2 1008.6 987.6 DAY 3 5 31 19 21 27 23 2 18 6 26 4 1993 1004.0 1007.5 1000.2 1000.1 997.2 993.2 991.9 994.9 1000.0 1004.5 1005.8 1009.6 991.9 DAY 9 22 22 13 29 13 9 13 4 3 14 5 1994 1007.5 1004.8 1004.4 1001.2 999.8 987.3 987.8 989.6 995.8 1006.3 1003.1 1004.1 987.3 DAY 17 12 13 3 11 29 21 2 1 3 26 4 1995 1011.1 1004.4 999.8 1002.9 999.1 991.1 986.1 992.6 1000.1 1004.2 1004.1 1013.8 986.1 DAY 13 24 27 16 11 17 17 3 20 13 26 6 1996 1011.6 1004.5 1004.7 1001.8 998.9 992.9 994.6 995.5 995.3 1004.3 1011.1 1012.8 992.9 DAY 7 5 13 11 29 6 7 9 20 6 10 30 1997 1004.0 1004.8 999.7 1000.8 999.2 992.6 987.7 993.1 998.5 1005.8 1008.6 1006.6 987.7 DAY 17 1 30 11 5 24 16 1 3 1 13 11 1998 1004.7 1003.4 1003.1 1000.6 995.7 994.2 985.9 995.6 997.5 1002.2 1009.0 1010.0 985.9 DAY 6 13 15 23 30 30 8 23 7 4 1 19 1999 1007.2 1001.3 1005.7 1000.7 993.6 989.1 990.8 994.2 997.3 1007.0 1008.6 1012.2 989.1 DAY 19 6 13 9 21 26 11 7 16 25 2 16 2000 1005.7 1005.6 1005.3 1002.2 993.7 989.8 990.4 994.7 993.3 1003.6 1007.8 1007.5 989.8 DAY 21 8 14 23 30 26 9 4 2 2 6 15 2001 1010.8 1003.1 997.8 999.7 992.8 990.5 988.2 993.9 996.8 1005.2 1007.4 1009.7 988.2 DAY 20 21 26 13 26 29 11 28 1 2 12 6 2002 1010.0 1007.8 1003.4 993.5 995.4 988.4 991.3 991.8 1000.3 1007.4 1009.2 1004.2 988.4 DAY 8 28 29 4 21 21 27 9 1 15 7 22 2003 1006.0 1003.6 1002.8 1002.4 997.6 989.2 987.6 990.4 997.5 1004.1 1006.6 1011.2 987.6 DAY 29 16 14 28 24 30 26 1 12 6 15 7 2004 1002.7 1006.7 1003.2 998.8 993.5 989.6 990.8 992.7 999.7 1010.5 1019.1 1021.5 989.6 DAY 27 16 31 1 14 18 11 16 12 5 24 17 2005 1020.8 1017.4 1013.2 1009.3 1010.2 998.2 999.7 1004.6 1009.4 1017.1 1020.4 1022.6 998.2 DAY 20 5 24 30 6 28 5 8 6 5 9 24 1956-2005 999.8 1000.0 997.8 993.5 992.8 984.8 985.9 987.3 993.3 1001.5 1003.1 1004.1 984.8 YEAR-DAY 74-25 85-17 1-26 2- 4 1-26 73-16 98- 8 82- 1 0- 2 70- 9 94-26 94- 4 73-16 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 79 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF QFE PRESSURE IN HPA AT 0600 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 885.8 885.8 890.3 892.5 898.2 900.2 900.4 ****** 1957 896.7 897.8 895.5 894.3 892.5 889.9 888.9 898.2 901.0 898.0 899.6 899.0 895.9 1958 898.3 898.0 896.1 895.5 895.1 889.3 886.1 889.3 892.1 897.7 902.2 899.1 894.9 1959 898.9 895.0 896.1 895.7 892.4 889.7 886.4 885.0 888.9 896.4 899.2 902.2 893.8 1960 900.0 898.4 894.5 894.6 893.5 887.7 885.4 886.7 892.9 898.1 900.0 900.9 894.4 1961 899.7 897.4 895.0 894.4 891.4 889.3 884.7 887.8 889.2 897.6 899.1 898.6 893.7 1962 898.9 896.5 894.4 893.0 891.6 889.5 887.0 889.9 893.4 898.7 902.0 899.3 894.5 1963 898.9 897.2 893.4 892.4 890.3 888.7 886.2 887.6 893.0 897.3 898.6 899.1 893.6 1964 899.9 896.0 895.1 891.9 891.5 887.1 884.8 885.2 892.1 898.3 899.4 901.7 893.6 1965 896.5 895.8 896.1 892.6 892.4 888.7 886.2 891.0 895.0 898.1 900.6 900.0 894.4 1966 900.7 896.8 895.2 894.7 894.4 888.7 887.0 889.6 893.8 898.6 903.9 899.2 895.2 1967 901.0 896.6 893.9 894.0 893.9 889.3 885.0 887.7 892.1 899.7 898.9 899.0 894.3 1968 896.9 898.1 895.9 895.6 894.4 889.0 887.7 888.8 894.2 899.1 901.8 899.1 895.0 1969 898.5 898.7 896.3 895.2 893.1 889.8 886.4 890.6 894.9 898.1 901.4 900.5 895.3 1970 898.8 897.6 896.5 896.5 892.6 888.1 886.2 886.6 892.2 897.2 899.8 899.2 894.3 1971 899.9 894.7 896.7 893.1 890.7 884.8 886.1 887.2 893.9 897.8 899.6 897.3 893.5 1972 898.1 898.5 894.8 893.7 891.8 888.3 886.3 890.4 893.8 898.6 898.6 899.6 894.4 1973 900.0 896.6 895.7 893.3 890.6 885.7 883.9 888.0 892.5 897.5 898.9 899.5 893.5 1974 897.4 897.8 896.4 892.3 891.2 887.4 885.4 887.2 892.2 898.8 899.8 898.7 893.7 1975 898.9 895.7 894.9 895.0 891.8 887.6 885.5 886.6 891.9 895.8 899.7 899.6 893.6 1976 896.6 895.9 894.6 894.3 891.9 888.5 883.8 887.4 891.9 896.0 900.9 900.2 893.5 1977 897.4 899.6 897.4 892.7 891.9 886.2 883.2 887.9 893.9 897.5 898.5 898.6 893.7 1978 898.9 897.2 895.1 892.6 890.9 886.4 886.1 887.2 892.1 898.2 899.1 898.6 893.5 1979 898.7 895.0 894.8 894.6 893.8 889.2 887.0 889.3 894.4 898.0 900.6 898.4 894.5 1980 897.2 896.2 895.0 893.8 891.8 887.7 887.1 887.5 893.0 896.1 899.1 898.3 893.6 1981 898.1 895.8 893.8 893.0 892.1 888.7 886.2 888.5 894.6 899.0 898.4 899.0 893.9 1982 897.4 895.1 894.3 893.8 894.2 888.8 886.6 886.6 894.5 897.3 898.3 899.7 893.9 1983 898.4 896.6 895.3 893.9 891.8 889.0 886.4 886.5 890.8 897.6 900.7 899.7 893.9 1984 897.7 899.5 895.2 893.3 891.0 886.5 886.2 885.2 892.7 899.2 898.6 899.9 893.8 1985 897.2 893.0 896.3 891.8 891.6 886.7 885.0 889.5 892.2 896.4 899.0 897.8 893.0 1986 898.1 895.4 894.6 893.2 892.8 885.8 887.4 889.5 894.2 897.6 897.4 897.1 893.6 1987 897.7 897.8 892.4 894.7 893.1 888.9 888.4 888.1 892.3 898.4 899.5 899.1 894.2 1988 897.2 896.2 892.9 893.7 891.1 887.8 883.9 886.7 891.6 897.2 898.9 897.5 892.9 1989 896.9 898.0 893.3 894.4 892.6 887.8 886.9 888.5 891.5 897.0 899.0 897.3 893.6 1990 897.5 894.5 896.4 892.1 890.5 887.3 885.4 887.5 891.0 897.5 899.4 898.6 893.1 1991 897.4 897.2 894.2 893.9 889.6 887.9 885.4 887.1 893.1 897.8 899.5 897.5 893.4 1992 897.4 894.4 895.0 892.9 893.1 887.8 886.0 888.8 893.4 896.7 899.2 897.8 893.5 1993 898.1 896.9 895.9 893.8 892.3 888.1 887.0 889.7 892.0 899.9 898.8 900.2 894.4 1994 898.0 894.6 895.1 894.7 892.1 885.8 883.6 886.2 894.7 898.8 897.9 899.7 893.4 1995 899.3 896.4 895.3 893.7 893.0 888.0 883.1 887.2 892.2 896.9 898.1 900.1 893.6 1996 898.8 895.3 893.4 894.0 892.9 888.1 887.9 888.8 890.6 896.9 900.6 900.4 894.0 1997 897.0 896.3 893.1 893.1 893.2 887.9 883.8 887.5 893.0 896.9 898.9 898.0 893.2 1998 896.1 896.3 894.8 893.8 892.8 890.2 885.9 889.5 892.2 896.8 899.3 900.8 894.0 1999 897.9 896.7 894.0 894.1 891.4 887.6 885.5 888.5 891.1 896.3 897.8 901.6 893.5 2000 896.8 896.2 894.8 893.1 889.1 887.2 887.6 888.7 891.1 897.0 899.6 898.9 893.3 2001 898.8 896.2 895.0 893.0 889.6 886.1 885.4 889.5 892.7 896.6 898.5 900.0 893.4 2002 898.0 897.4 895.7 892.6 891.0 887.7 887.8 887.4 893.2 896.9 899.4 898.1 893.8 2003 898.1 894.4 895.4 894.6 893.4 887.4 884.5 889.1 892.2 896.8 899.4 900.7 893.8 2004 896.2 897.4 896.6 893.3 890.5 887.9 887.9 887.7 893.5 899.1 910.0 910.3 895.9 2005 909.5 907.2 905.6 906.8 903.3 898.3 896.8 899.1 902.5 909.0 911.0 911.7 905.1 MEAN 898.4 896.8 895.3 894.0 892.3 888.1 886.2 888.5 893.0 897.9 900.0 899.8 894.2 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 80 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MAX. OF QFE PRESSURE IN HPA AT 0600 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 890.4 889.2 896.1 897.2 903.0 904.2 905.8 ****** DAY ** ** ** ** ** 6 25 31 30 26 20 24 1957 904.4 905.3 900.3 900.0 895.6 892.8 896.2 903.5 908.0 902.2 907.1 905.8 908.0 DAY 4 13 3 17 12 18 30 31 10 19 24 23 1958 903.0 901.4 898.9 900.2 901.2 894.0 891.4 892.6 896.2 901.2 906.0 904.4 906.0 DAY 2 19 1 2 13 3 16 25 30 22 4 6 1959 904.8 901.2 900.6 900.8 897.6 893.8 892.0 888.3 894.0 903.7 904.7 908.4 908.4 DAY 3 3 15 8 5 21 20 29 25 21 22 16 1960 905.1 906.5 900.8 902.2 900.5 893.3 890.6 889.2 896.7 903.7 905.2 907.1 907.1 DAY 19 15 16 8 6 3 17 15 25 30 27 5 1961 907.2 904.6 905.1 899.2 896.1 896.3 889.0 892.9 894.5 903.5 904.5 906.0 907.2 DAY 10 23 4 21 2 10 24 10 29 31 1 4 1962 907.4 904.0 901.9 898.8 896.5 895.4 891.6 893.8 900.2 903.9 907.2 906.1 907.4 DAY 19 11 4 19 17 2 31 27 25 27 23 1 1963 903.0 904.4 901.1 898.4 894.4 897.4 888.6 890.1 898.6 900.9 901.5 904.2 904.4 DAY 6 5 23 2 16 11 25 25 25 12 6 21 1964 906.5 903.0 900.5 899.0 895.0 895.0 888.8 889.6 899.0 901.6 905.1 906.5 906.5 DAY 31 28 18 25 10 3 17 31 29 30 30 1 1965 902.6 902.8 901.2 897.5 898.3 894.6 889.4 894.4 899.2 902.8 904.4 905.3 905.3 DAY 16 26 17 25 21 3 9 9 30 29 28 4 1966 905.9 904.0 903.2 901.3 897.9 894.9 891.1 893.6 896.5 903.7 907.7 906.5 907.7 DAY 1 26 3 6 13 2 11 17 20 31 23 8 1967 907.5 904.2 903.7 900.9 901.1 895.5 890.5 892.0 896.3 904.7 902.0 904.7 907.5 DAY 6 28 3 4 3 16 14 16 26 15 6 12 1968 904.1 905.3 905.2 900.5 899.1 897.5 892.4 895.4 897.8 904.0 906.9 905.5 906.9 DAY 20 6 27 1 8 1 14 30 21 17 24 21 1969 905.4 907.6 901.5 898.3 899.2 896.3 890.0 896.0 902.3 901.0 908.0 904.2 908.0 DAY 9 3 25 15 22 3 14 31 14 15 23 11 1970 906.2 902.7 901.6 901.1 898.8 891.7 891.0 891.0 899.0 903.5 905.9 907.1 907.1 DAY 3 8 26 27 23 16 9 30 22 27 15 30 1971 908.0 900.8 901.9 898.4 894.5 889.1 890.4 890.2 898.4 901.5 905.4 903.7 908.0 DAY 4 4 17 21 1 1 26 21 24 11 20 11 1972 906.9 905.6 900.9 899.0 899.1 895.2 889.8 894.2 898.2 904.0 903.2 908.0 908.0 DAY 5 25 29 8 25 1 25 27 22 26 24 28 1973 908.9 907.9 905.6 897.2 897.8 892.6 888.0 890.4 899.3 901.1 905.3 907.3 908.9 DAY 26 7 10 14 8 3 22 22 29 22 12 26 1974 904.9 904.1 902.7 896.8 896.4 890.8 889.3 889.7 895.8 904.3 906.1 904.9 906.1 DAY 26 4 15 13 2 1 29 14 9 15 18 31 1975 909.4 902.9 900.9 903.4 897.5 891.0 889.2 892.1 899.1 902.2 904.8 905.5 909.4 DAY 15 18 24 4 20 6 29 31 19 21 21 25 1976 901.7 904.0 901.6 898.5 895.5 893.4 887.0 890.5 895.1 902.0 906.2 906.1 906.2 DAY 1 21 27 4 13 21 23 28 21 31 12 13 1977 905.0 905.5 904.1 896.9 895.5 892.0 886.5 891.7 897.7 902.5 903.6 904.6 905.5 DAY 11 15 10 14 14 1 20 23 30 24 27 18 1978 905.3 904.9 899.2 897.4 896.7 893.3 891.7 889.8 896.6 901.3 907.8 905.7 907.8 DAY 13 6 9 6 4 5 8 25 29 24 26 25 1979 905.8 900.1 903.2 900.9 899.3 896.8 890.3 895.7 897.1 902.8 905.9 906.3 906.3 DAY 18 2 5 18 20 5 21 31 30 21 13 23 1980 902.1 902.5 900.1 900.2 896.5 894.6 891.7 893.3 897.8 901.1 904.0 903.1 904.0 DAY 10 3 15 21 1 2 18 31 24 23 3 4 1981 904.8 902.5 903.4 900.3 898.1 894.8 891.6 891.2 898.8 904.1 903.4 904.4 904.8 DAY 9 4 6 20 2 11 30 3 27 25 27 12 1982 904.4 904.8 901.3 902.2 899.0 893.5 889.5 891.6 898.3 901.5 907.5 904.5 907.5 DAY 21 20 16 4 13 5 14 31 21 25 18 9 1983 907.0 902.9 901.8 898.5 896.3 896.6 891.4 889.3 896.2 904.2 906.4 906.9 907.0 DAY 8 23 26 19 8 1 11 31 30 28 5 4 1984 905.2 905.0 902.1 896.8 894.1 891.4 888.7 887.3 896.4 905.6 905.0 905.1 905.6 DAY 5 20 4 2 26 4 4 24 26 9 27 20 1985 902.3 898.3 906.0 896.3 896.6 890.0 888.0 894.8 896.5 900.5 902.8 903.5 906.0 DAY 25 11 6 18 12 2 2 30 30 26 17 31 1986 905.5 900.7 902.5 899.4 897.7 892.2 889.7 892.9 899.0 902.4 904.0 902.3 905.5 DAY 24 22 28 5 20 2 16 30 23 15 16 7 1987 903.4 903.7 898.3 898.2 898.6 894.2 892.1 893.1 898.4 903.8 908.9 909.3 909.3 DAY 17 12 23 8 1 1 29 7 26 29 30 1 1988 908.4 906.1 898.0 899.9 894.7 894.4 887.6 890.7 895.6 902.0 902.9 905.7 908.4 DAY 3 7 18 3 5 1 31 21 25 17 6 30 1989 903.7 904.4 898.8 899.9 896.7 890.4 889.2 892.2 900.2 904.1 902.9 901.1 904.4 DAY 27 26 8 9 1 2 20 31 24 27 26 10 1990 904.9 902.7 905.0 896.7 895.4 892.1 889.1 890.2 895.1 905.2 905.2 907.0 907.0 DAY 27 8 10 12 16 1 15 4 26 19 23 28 1991 905.3 908.4 900.1 898.5 895.0 892.0 889.0 889.9 899.3 900.1 903.7 902.5 908.4 DAY 13 15 18 15 9 22 1 23 28 20 13 18 1992 908.5 900.4 905.1 898.3 897.5 893.2 889.5 893.6 896.8 900.5 904.0 903.5 908.5 DAY 10 16 13 12 29 11 6 31 1 30 4 11 1993 905.1 902.6 900.5 900.2 897.3 894.2 891.0 893.0 895.3 904.3 903.3 905.5 905.5 DAY 6 8 17 1 10 23 27 26 23 17 30 27 1994 905.7 900.6 900.5 903.5 895.8 890.8 887.9 890.0 901.3 904.5 902.5 907.1 907.1 DAY 28 4 18 5 8 9 14 16 23 10 2 8 1995 904.0 899.9 901.7 898.6 897.4 894.1 886.5 890.0 895.5 903.4 903.8 904.0 904.0 DAY 7 26 3 10 27 2 28 25 22 27 28 11 1996 904.2 900.3 897.7 900.6 896.7 890.6 893.8 893.4 896.4 902.0 909.8 906.2 909.8 DAY 27 14 1 7 3 1 4 30 25 19 19 8 1997 904.0 902.5 902.9 898.8 899.7 892.1 886.5 890.7 896.9 900.7 905.0 906.7 906.7 DAY 19 8 11 14 7 4 9 31 20 9 8 29 1998 903.1 903.5 899.4 901.5 898.5 894.5 890.1 892.3 897.3 901.3 903.5 906.7 906.7 DAY 4 23 23 12 3 6 22 25 13 26 21 10 1999 904.6 902.1 901.3 897.7 896.2 893.7 888.3 893.3 898.4 899.0 904.1 907.5 907.5 DAY 3 12 19 1 12 1 27 19 30 27 14 6 2000 904.8 903.6 899.8 897.6 894.1 891.8 891.1 892.4 895.6 901.3 907.6 905.3 907.6 DAY 31 11 4 3 6 17 26 23 29 16 17 17 2001 904.0 903.0 902.4 899.0 893.8 892.3 890.3 893.9 898.8 901.0 903.9 905.9 905.9 DAY 30 10 2 4 12 2 29 14 22 11 20 18 2002 904.5 904.4 906.0 900.4 895.7 892.2 891.4 891.1 896.7 899.7 905.8 905.0 906.0 DAY 26 5 11 1 10 25 31 2 21 10 18 4 2003 904.5 901.2 906.6 898.5 899.5 893.3 888.2 892.6 898.8 899.8 907.6 907.8 907.8 DAY 12 7 3 7 2 1 3 4 27 16 25 12 2004 903.9 904.0 902.4 898.8 894.3 894.0 892.0 892.2 898.6 902.9 916.2 921.3 921.3 DAY 1 10 23 13 27 2 18 31 27 27 29 4 2005 915.4 915.5 910.6 913.5 907.6 904.1 899.9 902.5 905.2 912.7 914.6 917.4 917.4 DAY 13 15 27 9 8 6 19 27 25 24 27 28 1956-2005 915.4 915.5 910.6 913.5 907.6 904.1 899.9 903.5 908.0 912.7 916.2 921.3 921.3 YEAR-DAY 5-13 5-15 5-27 5- 9 5- 8 5- 6 5-19 57-31 57-10 5-24 4-29 4- 4 4- 4 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 81 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MIN. OF QFE PRESSURE IN HPA AT 0600 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 880.9 882.7 886.1 888.6 894.0 893.7 894.4 ****** DAY ** ** ** ** ** 2 11 4 10 29 8 11 1957 887.2 886.1 889.5 889.6 888.6 882.8 881.7 891.9 892.0 892.2 892.8 890.8 881.7 DAY 12 5 7 4 21 7 14 8 28 25 18 7 1958 895.2 893.6 893.4 892.2 892.1 884.2 877.0 886.0 887.9 893.2 893.6 894.8 877.0 DAY 31 6 10 30 2 21 10 2 5 10 7 31 1959 889.0 886.2 885.4 889.2 885.8 881.0 882.0 880.6 885.0 890.5 893.4 894.7 880.6 DAY 23 17 1 19 31 28 28 3 12 5 26 1 1960 893.4 893.2 886.9 889.6 885.8 882.2 880.6 883.0 885.7 892.4 891.5 894.3 880.6 DAY 27 29 9 11 31 30 9 12 2 11 20 30 1961 892.0 891.8 888.1 887.1 882.0 883.8 881.2 884.1 884.6 891.1 893.6 892.0 881.2 DAY 27 17 13 2 30 6 15 8 11 2 24 22 1962 893.2 891.6 887.1 887.7 887.0 883.2 883.4 885.7 887.7 892.5 897.8 892.8 883.2 DAY 27 8 29 11 25 10 14 3 18 10 11 25 1963 896.0 891.9 887.2 886.5 884.5 883.0 883.8 883.9 884.0 893.8 894.4 890.7 883.0 DAY 4 13 13 15 11 17 5 12 2 2 25 25 1964 886.0 891.7 890.4 883.8 887.2 880.0 880.3 881.2 887.7 890.7 889.4 895.2 880.0 DAY 19 13 4 9 13 29 11 2 2 4 27 24 1965 888.2 889.6 888.5 886.4 886.9 883.5 883.1 887.0 892.2 891.4 895.4 893.6 883.1 DAY 11 23 23 21 30 24 12 1 1 25 9 21 1966 896.8 890.5 885.7 889.0 889.8 881.6 884.0 884.8 889.7 892.7 900.2 891.4 881.6 DAY 27 15 20 24 29 27 18 5 13 2 16 12 1967 892.9 890.3 884.2 887.0 888.8 884.8 879.4 884.3 887.9 891.6 895.6 890.4 879.4 DAY 22 13 24 27 27 19 10 5 7 3 26 24 1968 889.7 886.6 888.4 887.4 890.1 883.1 881.8 884.0 889.2 893.5 896.7 892.1 881.8 DAY 25 3 19 25 17 23 12 13 7 11 18 9 1969 885.5 891.6 890.5 889.6 887.1 884.6 883.4 884.8 888.5 892.4 894.2 893.9 883.4 DAY 25 14 24 17 2 23 23 8 12 29 9 14 1970 890.3 890.8 892.6 891.7 886.7 884.7 881.9 882.3 886.7 890.9 895.8 893.0 881.9 DAY 28 26 11 20 30 9 6 7 12 9 30 14 1971 890.8 888.6 888.9 888.1 886.2 880.5 883.0 883.4 888.2 892.3 894.5 888.1 880.5 DAY 14 14 21 7 11 5 23 9 2 1 8 20 1972 891.6 890.6 886.4 887.5 886.6 881.3 881.5 882.1 888.6 895.4 894.1 892.7 881.3 DAY 23 20 18 25 3 25 5 1 11 17 8 17 1973 890.1 887.2 888.9 888.6 885.4 877.7 880.0 885.0 888.1 894.2 893.3 891.7 877.7 DAY 16 22 7 24 30 16 16 5 2 18 19 7 1974 888.5 891.1 890.6 887.0 885.6 883.4 879.5 883.0 886.3 896.3 894.1 892.4 879.5 DAY 25 12 27 29 27 26 20 11 3 28 29 6 1975 893.0 887.6 886.9 888.5 889.3 884.5 883.0 880.7 886.3 889.3 888.7 892.1 880.7 DAY 28 6 3 15 15 30 17 14 10 3 29 31 1976 891.5 889.2 886.8 889.8 887.9 882.5 880.1 884.7 888.2 891.9 888.0 893.0 880.1 DAY 7 5 14 22 25 6 20 2 3 19 29 31 1977 891.1 892.2 891.0 886.6 888.3 880.3 879.2 883.1 891.2 892.9 889.5 893.0 879.2 DAY 9 25 30 8 17 24 2 18 8 26 17 24 1978 889.0 889.4 888.9 887.5 882.5 879.2 880.2 884.3 884.7 891.6 893.0 889.2 879.2 DAY 26 12 15 19 30 22 2 8 2 1 20 17 1979 892.6 889.9 886.0 888.9 889.3 883.5 883.1 885.5 890.5 894.1 892.4 890.8 883.1 DAY 7 17 31 17 6 22 6 1 5 5 29 16 1980 888.0 889.1 886.3 889.5 888.2 882.9 884.3 883.7 889.7 892.6 893.4 892.3 882.9 DAY 24 12 2 17 29 17 3 11 20 26 25 10 1981 890.5 887.9 886.7 885.8 886.1 884.4 881.5 885.0 890.3 892.8 892.7 892.9 881.5 DAY 3 12 13 1 13 27 2 14 22 17 23 26 1982 887.6 887.7 887.5 886.4 889.7 884.0 880.0 879.8 889.3 892.1 892.9 893.1 879.8 DAY 29 14 7 18 24 25 31 1 14 1 7 7 1983 890.0 888.2 888.0 890.2 888.0 882.9 881.6 883.2 885.6 891.3 896.5 891.3 881.6 DAY 24 28 7 25 30 29 27 5 9 5 12 12 1984 888.0 890.8 887.2 888.2 886.3 882.0 883.0 883.0 886.0 892.8 893.9 892.3 882.0 DAY 17 8 13 26 29 21 16 8 1 18 14 7 1985 892.6 886.0 888.0 887.4 887.5 883.7 882.9 885.1 887.6 891.5 894.8 890.1 882.9 DAY 30 16 25 8 22 19 27 8 8 11 11 19 1986 887.0 888.0 889.1 888.3 889.0 880.6 884.0 886.6 891.1 894.2 891.6 891.0 880.6 DAY 20 16 25 30 10 20 19 4 5 24 7 28 1987 888.0 892.1 887.2 889.7 888.0 883.9 883.0 884.3 888.5 890.7 895.0 889.9 883.0 DAY 3 10 14 5 23 13 3 30 2 9 8 31 1988 889.3 891.0 885.4 889.9 888.2 881.7 880.1 883.4 887.1 892.0 893.6 889.0 880.1 DAY 19 17 24 1 24 24 8 4 1 7 29 26 1989 889.5 886.2 886.9 889.6 887.7 884.7 884.9 884.4 886.2 891.3 895.6 893.2 884.4 DAY 12 23 30 23 30 7 18 1 12 2 20 5 1990 890.8 886.2 888.8 886.8 884.5 882.7 879.7 885.0 886.7 891.9 891.9 891.9 879.7 DAY 2 16 3 16 13 27 5 9 4 2 1 25 1991 887.6 890.6 887.3 888.1 884.5 882.4 880.6 883.0 888.6 894.2 893.5 892.1 880.6 DAY 26 8 7 10 23 12 14 12 8 5 6 26 1992 891.7 889.3 887.3 886.1 890.4 879.3 882.9 884.0 889.5 891.5 891.9 892.2 879.3 DAY 1 11 31 19 21 27 19 2 18 7 26 4 1993 888.9 891.0 887.4 887.7 886.8 884.2 883.0 885.6 888.6 892.5 891.7 894.2 883.0 DAY 9 23 22 13 29 13 9 12 4 3 14 5 1994 891.4 887.7 890.2 888.2 888.0 880.2 880.1 881.0 885.9 892.8 891.4 890.4 880.1 DAY 26 12 12 3 11 29 21 1 1 3 26 4 1995 894.7 889.2 886.4 889.9 887.8 882.7 878.7 883.4 889.5 891.9 888.2 893.9 878.7 DAY 13 24 27 16 14 23 17 3 5 13 26 6 1996 892.7 885.8 887.7 889.1 888.0 885.2 885.1 885.6 885.7 890.6 894.6 893.5 885.1 DAY 13 5 14 11 29 6 25 8 20 6 29 15 1997 888.2 890.0 886.0 888.7 887.9 883.5 879.5 884.7 888.3 892.8 893.1 891.1 879.5 DAY 17 1 25 10 5 19 16 4 3 24 13 10 1998 886.8 885.5 888.3 888.8 885.4 884.4 879.2 886.2 887.9 891.4 895.3 893.7 879.2 DAY 13 13 15 6 30 30 9 13 6 4 1 21 1999 890.1 888.7 888.4 890.3 884.0 881.6 883.0 884.1 886.7 893.6 893.1 894.0 881.6 DAY 18 6 3 9 21 25 11 7 16 25 26 16 2000 890.4 889.8 890.1 890.3 885.0 881.8 882.4 884.9 883.9 891.8 892.3 892.7 881.8 DAY 21 7 5 20 27 25 9 31 1 2 6 15 2001 893.2 888.0 884.5 887.9 883.5 882.3 880.7 885.6 887.7 892.7 892.6 893.8 880.7 DAY 20 21 26 10 26 10 12 28 1 2 12 5 2002 890.7 892.0 890.9 881.5 887.0 880.4 883.6 883.9 889.4 894.5 893.3 888.4 880.4 DAY 22 25 29 4 13 21 26 17 10 22 13 22 2003 890.6 887.4 889.8 891.0 888.7 881.7 880.3 883.5 888.0 892.0 892.7 895.9 880.3 DAY 29 19 13 14 24 21 26 1 11 1 14 7 2004 890.7 892.2 889.4 887.7 883.6 881.6 882.3 884.0 888.0 895.5 904.1 904.4 881.6 DAY 15 20 31 1 14 18 11 15 12 3 24 21 2005 899.2 899.6 898.5 896.5 896.2 890.5 891.7 895.3 898.4 903.8 904.1 904.5 890.5 DAY 23 5 24 30 6 28 5 7 16 4 9 24 1956-2005 885.5 885.5 884.2 881.5 882.0 877.7 877.0 879.8 883.9 889.3 888.0 888.1 877.0 YEAR-DAY 69-25 98-13 67-24 2- 4 61-30 73-16 58-10 82- 1 0- 1 75- 3 76-29 71-20 58-10 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 82 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF QNH PRESSURE IN HPA AT 0600 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1006.7 1006.6 1011.7 1014.1 1020.4 1022.6 1022.9 ****** 1957 1018.8 1020.0 1017.4 1016.0 1014.1 1011.3 1010.1 1020.4 1023.5 1020.3 1022.0 1021.3 1017.9 1958 1020.6 1020.2 1018.1 1017.4 1017.0 1010.5 1007.0 1010.6 1013.6 1019.9 1024.8 1021.5 1016.8 1959 1021.2 1016.9 1018.1 1017.6 1014.0 1011.0 1007.3 1005.8 1010.1 1018.5 1021.5 1024.9 1015.6 1960 1022.4 1020.6 1016.3 1016.4 1015.3 1008.7 1006.3 1007.7 1014.5 1020.4 1022.4 1023.4 1016.2 1961 1022.1 1019.6 1016.9 1016.2 1012.9 1010.5 1005.4 1008.9 1010.5 1019.8 1021.4 1020.8 1015.4 1962 1021.2 1018.5 1016.2 1014.7 1013.1 1010.8 1008.0 1011.3 1015.1 1020.9 1024.7 1021.6 1016.3 1963 1021.3 1019.3 1015.1 1014.0 1011.7 1009.9 1007.1 1008.7 1014.7 1019.4 1020.8 1021.5 1015.3 1964 1022.3 1017.9 1017.0 1013.4 1012.9 1008.1 1005.6 1006.0 1013.6 1020.5 1021.7 1024.3 1015.3 1965 1018.6 1017.8 1018.1 1014.2 1014.0 1009.9 1007.1 1012.4 1016.9 1020.3 1023.1 1022.4 1016.2 1966 1023.2 1018.9 1017.0 1016.5 1016.3 1009.9 1008.0 1010.8 1015.5 1020.9 1026.8 1021.6 1017.1 1967 1023.5 1018.6 1015.7 1015.8 1015.6 1010.6 1005.8 1008.7 1013.7 1022.1 1021.2 1021.3 1016.0 1968 1019.0 1020.3 1017.8 1017.6 1016.2 1010.2 1008.8 1010.0 1015.9 1021.4 1024.4 1021.5 1016.9 1969 1020.7 1021.0 1018.3 1017.1 1014.8 1011.1 1007.3 1012.0 1016.8 1020.3 1024.0 1022.9 1017.2 1970 1021.1 1019.7 1018.5 1018.5 1014.2 1009.2 1007.2 1007.5 1013.8 1019.3 1022.2 1021.5 1016.1 1971 1022.4 1016.5 1018.7 1014.8 1012.1 1005.6 1007.0 1008.2 1015.7 1019.9 1021.9 1019.4 1015.2 1972 1020.3 1020.8 1016.6 1015.5 1013.4 1009.5 1007.2 1011.8 1015.6 1020.9 1020.9 1022.0 1016.2 1973 1022.4 1018.6 1017.6 1015.0 1012.0 1006.5 1004.6 1009.1 1014.1 1019.7 1021.3 1021.9 1015.2 1974 1019.5 1020.0 1018.4 1013.9 1012.7 1008.4 1006.2 1008.2 1013.8 1021.1 1022.3 1020.9 1015.5 1975 1021.2 1017.7 1016.7 1016.9 1013.3 1008.7 1006.3 1007.5 1013.5 1017.8 1022.1 1021.9 1015.3 1976 1018.6 1017.8 1016.4 1016.2 1013.5 1009.7 1004.5 1008.4 1013.4 1018.0 1023.4 1022.7 1015.2 1977 1019.5 1022.0 1019.6 1014.3 1013.4 1007.1 1003.8 1008.9 1015.6 1019.6 1020.8 1020.9 1015.5 1978 1021.2 1019.3 1017.0 1014.2 1012.3 1007.4 1007.0 1008.3 1013.7 1020.4 1021.4 1020.9 1015.2 1979 1021.0 1016.9 1016.7 1016.4 1015.6 1010.5 1008.0 1010.6 1016.3 1020.2 1023.1 1020.7 1016.3 1980 1019.3 1018.2 1016.8 1015.5 1013.3 1008.8 1008.1 1008.6 1014.7 1018.0 1021.5 1020.5 1015.3 1981 1020.3 1017.7 1015.5 1014.7 1013.6 1009.9 1007.1 1009.6 1016.4 1021.4 1020.7 1021.3 1015.7 1982 1019.6 1017.0 1016.1 1015.5 1016.0 1009.9 1007.6 1007.6 1016.3 1019.4 1020.6 1022.1 1015.6 1983 1020.7 1018.7 1017.2 1015.6 1013.3 1010.2 1007.4 1007.4 1012.2 1019.8 1023.2 1022.1 1015.6 1984 1019.9 1021.9 1017.1 1015.0 1012.4 1007.5 1007.1 1006.0 1014.3 1021.6 1020.9 1022.3 1015.5 1985 1019.4 1014.6 1018.3 1013.3 1013.0 1007.6 1005.7 1010.7 1013.8 1018.4 1021.3 1020.0 1014.7 1986 1020.4 1017.3 1016.5 1014.9 1014.4 1006.7 1008.5 1010.8 1016.0 1019.8 1019.5 1019.2 1015.3 1987 1019.9 1020.0 1014.0 1016.6 1014.8 1010.1 1009.5 1009.2 1013.9 1020.6 1021.9 1021.4 1016.0 1988 1019.3 1018.2 1014.5 1015.4 1012.5 1008.9 1004.6 1007.6 1013.1 1019.3 1021.2 1019.6 1014.5 1989 1019.0 1020.2 1015.0 1016.2 1014.3 1008.9 1007.9 1009.7 1013.0 1019.1 1021.3 1019.5 1015.3 1990 1019.6 1016.4 1018.5 1013.7 1011.9 1008.3 1006.3 1008.5 1012.4 1019.7 1021.8 1020.9 1014.8 1991 1019.6 1019.4 1016.0 1015.6 1010.9 1009.0 1006.2 1008.1 1014.7 1020.0 1021.9 1019.7 1015.1 1992 1019.5 1016.2 1016.9 1014.5 1014.8 1008.9 1006.9 1010.0 1015.1 1018.7 1021.5 1020.0 1015.2 1993 1020.3 1019.0 1017.8 1015.5 1013.8 1009.2 1008.0 1011.0 1013.6 1022.3 1021.1 1022.7 1016.2 1994 1020.2 1016.5 1017.0 1016.5 1013.6 1006.6 1004.2 1007.1 1016.5 1021.1 1020.1 1022.1 1015.1 1995 1021.6 1018.4 1017.2 1015.4 1014.6 1009.1 1003.6 1008.2 1013.8 1019.0 1020.3 1022.5 1015.3 1996 1021.1 1017.2 1015.1 1015.8 1014.5 1009.2 1009.1 1010.0 1012.0 1018.9 1023.1 1022.9 1015.7 1997 1019.1 1018.4 1014.8 1014.8 1014.8 1009.0 1004.4 1008.6 1014.7 1019.0 1021.2 1020.2 1014.9 1998 1018.1 1018.3 1016.7 1015.6 1014.4 1011.6 1006.8 1010.7 1013.8 1018.9 1021.6 1023.3 1015.8 1999 1020.1 1018.8 1015.7 1015.9 1012.9 1008.7 1006.3 1009.7 1012.5 1018.3 1020.0 1024.2 1015.3 2000 1018.9 1018.2 1016.7 1014.8 1010.3 1008.3 1008.6 1009.9 1012.6 1019.1 1022.0 1021.2 1015.0 2001 1021.0 1018.2 1016.9 1014.6 1010.9 1007.0 1006.2 1010.8 1014.3 1018.6 1020.8 1022.4 1015.2 2002 1020.2 1019.6 1017.6 1014.2 1012.4 1008.8 1008.8 1008.4 1014.9 1019.0 1021.7 1020.3 1015.5 2003 1020.3 1016.2 1017.3 1016.4 1015.1 1008.5 1005.2 1010.3 1013.7 1018.9 1021.8 1023.2 1015.6 2004 1018.2 1019.5 1018.7 1014.9 1011.8 1009.0 1009.0 1008.8 1015.2 1021.4 1033.5 1033.9 1017.8 2005 1033.0 1030.4 1028.7 1029.9 1026.1 1020.5 1018.9 1021.4 1025.2 1032.4 1034.6 1035.4 1028.0 MEAN 1020.6 1018.8 1017.2 1015.8 1013.9 1009.2 1007.1 1009.6 1014.6 1020.1 1022.4 1022.1 1016.0 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 83 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MAX. OF QNH PRESSURE IN HPA AT 0600 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1011.8 1010.4 1018.1 1019.3 1025.7 1027.1 1028.9 ****** DAY ** ** ** ** ** 6 25 31 30 26 20 24 1957 1027.3 1028.3 1022.8 1022.4 1017.5 1014.4 1018.2 1026.3 1031.3 1024.9 1030.3 1028.9 1031.3 DAY 4 13 3 17 12 18 30 31 10 19 24 23 1958 1025.7 1024.0 1021.2 1022.6 1023.7 1015.8 1012.9 1014.2 1018.2 1023.7 1029.1 1027.3 1029.1 DAY 2 19 1 2 13 3 16 25 30 22 4 6 1959 1027.7 1023.7 1023.1 1023.3 1019.8 1015.5 1013.5 1009.4 1015.8 1026.5 1027.6 1031.7 1031.7 DAY 3 3 15 8 5 21 20 29 25 21 22 16 1960 1028.1 1029.6 1023.3 1024.9 1023.0 1015.0 1012.0 1010.4 1018.8 1026.5 1028.2 1030.3 1030.3 DAY 19 15 16 8 6 3 17 15 25 30 27 5 1961 1030.4 1027.5 1028.1 1021.5 1018.1 1018.3 1010.2 1014.5 1016.3 1026.3 1027.4 1029.1 1030.4 DAY 10 23 4 21 2 10 24 10 29 31 1 4 1962 1030.6 1026.9 1024.5 1021.1 1018.5 1017.3 1013.1 1015.5 1022.6 1026.7 1030.4 1029.2 1030.6 DAY 19 11 4 19 17 2 31 27 25 27 23 1 1963 1025.7 1027.3 1023.6 1020.6 1016.2 1019.5 1009.8 1011.4 1020.9 1023.4 1024.1 1027.1 1027.3 DAY 6 5 23 2 16 11 25 25 25 12 6 21 1964 1029.6 1025.7 1023.0 1021.3 1016.9 1016.9 1010.0 1010.9 1021.3 1024.2 1028.1 1029.6 1029.6 DAY 31 28 18 25 10 3 17 31 29 30 30 1 1965 1025.3 1025.5 1023.7 1019.6 1020.5 1016.4 1010.7 1016.2 1021.5 1025.5 1027.3 1028.3 1028.3 DAY 16 26 17 25 21 3 9 9 30 29 28 4 1966 1029.0 1026.9 1026.0 1023.9 1020.1 1016.8 1012.5 1015.3 1018.5 1026.5 1031.0 1029.6 1031.0 DAY 1 26 3 6 13 2 11 17 20 31 23 8 1967 1030.7 1027.1 1026.5 1023.4 1023.6 1017.4 1011.9 1013.5 1018.3 1027.6 1024.6 1027.6 1030.7 DAY 6 28 3 4 3 16 14 16 26 15 6 12 1968 1027.0 1028.3 1028.2 1023.0 1021.4 1019.6 1014.0 1017.3 1020.0 1026.9 1030.1 1028.5 1030.1 DAY 20 6 27 1 8 1 14 30 21 17 24 21 1969 1028.4 1030.9 1024.1 1020.5 1021.5 1018.3 1011.3 1018.0 1025.0 1023.5 1031.3 1027.1 1031.3 DAY 9 3 25 15 22 3 14 31 14 15 23 11 1970 1029.3 1025.4 1024.2 1023.6 1021.1 1013.2 1012.4 1012.4 1021.3 1026.3 1029.0 1030.3 1030.3 DAY 3 8 26 27 23 16 9 30 22 27 15 30 1971 1031.3 1023.3 1024.5 1020.6 1016.3 1010.3 1011.8 1011.6 1020.6 1024.1 1028.4 1026.5 1031.3 DAY 4 4 17 21 1 1 26 21 24 11 20 11 1972 1030.1 1028.6 1023.4 1021.3 1021.4 1017.1 1011.1 1016.0 1020.4 1026.9 1026.0 1031.3 1031.3 DAY 5 25 29 8 25 1 25 27 22 26 24 28 1973 1032.3 1031.2 1028.6 1019.3 1020.0 1014.2 1009.1 1011.8 1021.6 1023.6 1028.3 1030.5 1032.3 DAY 26 7 10 14 8 3 22 22 29 22 12 26 1974 1027.9 1027.0 1025.4 1018.9 1018.4 1012.2 1010.6 1011.0 1017.8 1027.2 1029.2 1027.9 1029.2 DAY 26 4 15 13 2 1 29 14 9 15 18 31 1975 1032.8 1025.6 1023.4 1026.2 1019.6 1012.4 1010.4 1013.7 1021.4 1024.9 1027.7 1028.5 1032.8 DAY 15 18 24 4 20 6 29 31 19 21 21 25 1976 1024.3 1026.9 1024.2 1020.8 1017.4 1015.1 1008.0 1011.9 1017.0 1024.6 1029.3 1029.2 1029.3 DAY 1 21 27 4 13 21 23 28 21 31 12 13 1977 1028.0 1028.5 1027.0 1019.0 1017.4 1013.5 1007.4 1013.2 1019.9 1025.2 1026.4 1027.5 1028.5 DAY 11 15 10 14 14 1 20 23 30 24 27 18 1978 1028.3 1027.9 1021.5 1019.5 1018.8 1015.0 1013.2 1011.1 1018.7 1023.9 1031.1 1028.7 1031.1 DAY 13 6 9 6 4 5 8 25 29 24 26 25 1979 1028.9 1022.5 1026.0 1023.4 1021.6 1018.9 1011.7 1017.7 1019.2 1025.5 1029.0 1029.4 1029.4 DAY 18 2 5 18 20 5 21 31 30 21 13 23 1980 1024.8 1025.2 1022.5 1022.6 1018.5 1016.4 1013.2 1015.0 1020.0 1023.6 1026.9 1025.9 1026.9 DAY 10 3 15 21 1 2 18 31 24 23 3 4 1981 1027.7 1025.2 1026.2 1022.8 1020.3 1016.7 1013.1 1012.7 1021.1 1027.0 1026.2 1027.3 1027.7 DAY 9 4 6 20 2 11 30 3 27 25 27 12 1982 1027.3 1027.7 1023.9 1024.9 1021.3 1015.2 1010.8 1013.1 1020.5 1024.1 1030.7 1027.4 1030.7 DAY 21 20 16 4 13 5 14 31 21 25 18 9 1983 1030.2 1025.6 1024.4 1020.8 1018.3 1018.7 1012.9 1010.6 1018.2 1027.1 1029.5 1030.1 1030.2 DAY 8 23 26 19 8 1 11 31 30 28 5 4 1984 1028.2 1028.0 1024.8 1018.9 1015.9 1012.9 1009.9 1008.3 1018.4 1028.6 1028.0 1028.1 1028.6 DAY 5 20 4 2 26 4 4 24 26 9 27 20 1985 1025.0 1020.5 1029.1 1018.3 1018.7 1011.3 1009.1 1016.7 1018.5 1023.0 1025.5 1026.3 1029.1 DAY 25 11 6 18 12 2 2 30 30 26 17 31 1986 1028.5 1023.2 1025.2 1021.8 1019.9 1013.8 1011.0 1014.5 1021.3 1025.1 1026.9 1025.0 1028.5 DAY 24 22 28 5 20 2 16 30 23 15 16 7 1987 1026.2 1026.5 1020.5 1020.4 1020.9 1016.0 1013.7 1014.8 1020.6 1026.6 1032.3 1032.7 1032.7 DAY 17 12 23 8 1 1 29 7 26 29 30 1 1988 1031.7 1029.2 1020.2 1022.3 1016.5 1016.2 1008.7 1012.1 1017.5 1024.6 1025.6 1028.7 1031.7 DAY 3 7 18 3 5 1 31 21 25 17 6 30 1989 1026.5 1027.3 1021.1 1022.3 1018.8 1011.8 1010.4 1013.8 1022.6 1027.0 1025.6 1023.6 1027.3 DAY 27 26 8 9 1 2 20 31 24 27 26 10 1990 1027.9 1025.4 1028.0 1018.8 1017.3 1013.7 1010.3 1011.6 1017.0 1028.2 1028.2 1030.2 1030.2 DAY 27 8 10 12 16 1 15 4 26 19 23 28 1991 1028.3 1031.7 1022.5 1020.8 1016.9 1013.5 1010.2 1011.2 1021.6 1022.5 1026.5 1025.2 1031.7 DAY 13 15 18 15 9 22 1 23 28 20 13 18 1992 1031.8 1022.9 1028.1 1020.5 1019.6 1014.9 1010.8 1015.3 1018.9 1023.0 1026.9 1026.3 1031.8 DAY 10 16 13 12 29 11 6 31 1 30 4 11 1993 1028.1 1025.3 1023.0 1022.6 1019.4 1016.0 1012.4 1014.7 1017.2 1027.2 1026.1 1028.5 1028.5 DAY 6 8 17 1 10 23 27 26 23 17 30 27 1994 1028.7 1023.1 1023.0 1026.3 1017.8 1012.2 1009.0 1011.3 1023.9 1027.4 1025.2 1030.3 1030.3 DAY 28 4 18 5 8 9 14 16 23 10 2 8 1995 1026.9 1022.3 1024.3 1020.9 1019.5 1015.9 1007.4 1011.3 1017.4 1026.2 1026.6 1026.9 1026.9 DAY 7 26 3 10 27 2 28 25 22 27 28 11 1996 1027.1 1022.8 1019.9 1023.1 1018.8 1012.0 1015.5 1015.1 1018.4 1024.6 1033.3 1029.3 1033.3 DAY 27 14 1 7 3 1 4 30 25 19 19 8 1997 1026.9 1025.2 1025.6 1021.1 1022.1 1013.7 1007.4 1012.1 1019.0 1023.2 1028.0 1029.9 1029.9 DAY 19 8 11 14 7 4 9 31 20 9 8 29 1998 1025.9 1026.3 1021.8 1024.1 1020.8 1016.3 1011.4 1013.9 1019.4 1023.9 1026.3 1029.9 1029.9 DAY 4 23 23 12 3 6 22 25 13 26 21 10 1999 1027.5 1024.8 1023.9 1019.9 1018.2 1015.4 1009.4 1015.0 1020.6 1021.3 1027.0 1030.7 1030.7 DAY 3 12 19 1 12 1 27 19 30 27 14 6 2000 1027.7 1026.4 1022.2 1019.8 1015.9 1013.3 1012.5 1014.0 1017.5 1023.9 1030.9 1028.3 1030.9 DAY 31 11 4 3 6 17 26 23 29 16 17 17 2001 1026.9 1025.7 1025.1 1021.3 1015.5 1013.9 1011.7 1015.7 1021.1 1023.5 1026.7 1029.0 1029.0 DAY 30 10 2 4 12 2 29 14 22 11 20 18 2002 1027.4 1027.3 1029.1 1022.9 1017.7 1013.8 1012.9 1012.5 1018.8 1022.1 1028.9 1028.0 1029.1 DAY 26 5 11 1 10 25 31 2 21 10 18 4 2003 1027.4 1023.7 1029.7 1020.8 1021.9 1015.0 1009.3 1014.2 1021.1 1022.2 1030.9 1031.1 1031.1 DAY 12 7 3 7 2 1 3 4 27 16 25 12 2004 1026.7 1026.9 1025.1 1021.1 1016.1 1015.8 1013.5 1013.8 1020.9 1025.6 1040.4 1046.0 1046.0 DAY 1 10 23 13 27 2 18 31 27 27 29 4 2005 1039.5 1039.6 1034.2 1037.4 1030.9 1027.0 1022.3 1025.2 1028.2 1036.5 1038.6 1041.7 1041.7 DAY 13 15 27 9 8 6 19 27 25 24 27 28 1956-2005 1039.5 1039.6 1034.2 1037.4 1030.9 1027.0 1022.3 1026.3 1031.3 1036.5 1040.4 1046.0 1046.0 YEAR-DAY 5-13 5-15 5-27 5- 9 5- 8 5- 6 5-19 57-31 57-10 5-24 4-29 4- 4 4- 4 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 84 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MIN. OF QNH PRESSURE IN HPA AT 0600 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1001.2 1003.2 1007.0 1009.8 1015.8 1015.4 1016.2 ****** DAY ** ** ** ** ** 2 11 4 10 29 8 11 1957 1008.2 1007.0 1010.8 1010.9 1009.8 1003.3 1002.1 1013.4 1013.5 1013.8 1014.4 1012.2 1002.1 DAY 12 5 7 4 21 7 14 8 28 25 18 7 1958 1017.1 1015.3 1015.1 1013.8 1013.7 1004.9 996.9 1006.9 1009.0 1014.9 1015.3 1016.7 996.9 DAY 31 6 10 30 2 21 10 2 5 10 7 31 1959 1010.2 1007.1 1006.2 1010.4 1006.7 1001.3 1002.5 1000.9 1005.8 1011.9 1015.1 1016.5 1000.9 DAY 23 17 1 19 31 28 28 3 12 5 26 1 1960 1015.1 1014.9 1007.9 1010.9 1006.7 1002.7 1000.9 1003.6 1006.6 1014.0 1013.0 1016.1 1000.9 DAY 27 29 9 11 31 30 9 12 2 11 20 30 1961 1013.5 1013.3 1009.2 1008.1 1002.5 1004.4 1001.6 1004.8 1005.3 1012.5 1015.3 1013.5 1001.6 DAY 27 17 13 2 30 6 15 8 11 2 24 22 1962 1014.9 1013.1 1008.1 1008.8 1008.0 1003.8 1004.0 1006.6 1008.8 1014.1 1020.0 1014.4 1003.8 DAY 27 8 29 11 25 10 14 3 18 10 11 25 1963 1018.0 1013.4 1008.2 1007.4 1005.2 1003.6 1004.4 1004.6 1004.7 1015.5 1016.2 1012.1 1003.6 DAY 4 13 13 15 11 17 5 12 2 2 25 25 1964 1006.9 1013.2 1011.8 1004.4 1008.2 1000.2 1000.6 1001.6 1008.8 1012.1 1010.7 1017.1 1000.2 DAY 19 13 4 9 13 29 11 2 2 4 27 24 1965 1009.3 1010.9 1009.7 1007.3 1007.9 1004.1 1003.7 1008.0 1013.8 1012.9 1017.3 1015.3 1003.7 DAY 11 23 23 21 30 24 12 1 1 25 9 21 1966 1018.9 1011.9 1006.6 1010.2 1011.1 1002.0 1004.7 1005.6 1011.0 1014.3 1022.6 1012.9 1002.0 DAY 27 15 20 24 29 27 18 5 13 2 16 12 1967 1014.5 1011.7 1004.9 1008.0 1010.0 1005.6 999.6 1005.0 1009.0 1013.1 1017.5 1011.8 999.6 DAY 22 13 24 27 27 19 10 5 7 3 26 24 1968 1011.0 1007.6 1009.6 1008.4 1011.4 1003.7 1002.2 1004.7 1010.4 1015.2 1018.8 1013.7 1002.2 DAY 25 3 19 25 17 23 12 13 7 11 18 9 1969 1006.3 1013.1 1011.9 1010.9 1008.1 1005.3 1004.0 1005.6 1009.7 1014.0 1016.0 1015.7 1004.0 DAY 25 14 24 17 2 23 23 8 12 29 9 14 1970 1011.7 1012.2 1014.2 1013.2 1007.7 1005.4 1002.3 1002.8 1007.7 1012.3 1017.8 1014.7 1002.3 DAY 28 26 11 20 30 9 6 7 12 9 30 14 1971 1012.2 1009.8 1010.1 1009.2 1007.1 1000.8 1003.6 1004.0 1009.3 1013.9 1016.3 1009.2 1000.8 DAY 14 14 21 7 11 5 23 9 2 1 8 20 1972 1013.1 1012.0 1007.3 1008.6 1007.6 1001.7 1001.9 1002.6 1009.8 1017.3 1015.9 1014.3 1001.7 DAY 23 20 18 25 3 25 5 1 11 17 8 17 1973 1011.4 1008.2 1010.1 1009.8 1006.2 997.7 1000.2 1005.8 1009.2 1016.0 1015.0 1013.2 997.7 DAY 16 22 7 24 30 16 16 5 2 18 19 7 1974 1009.7 1012.5 1012.0 1008.0 1006.4 1004.0 999.7 1003.6 1007.2 1018.3 1015.9 1014.0 999.7 DAY 25 12 27 29 27 26 20 11 3 28 29 6 1975 1014.7 1008.7 1007.9 1009.7 1010.6 1005.2 1003.6 1001.0 1007.2 1010.6 1009.9 1013.7 1001.0 DAY 28 6 3 15 15 30 17 14 10 3 29 31 1976 1013.0 1010.4 1007.8 1011.1 1009.0 1003.0 1000.3 1005.4 1009.3 1013.4 1009.1 1014.7 1000.3 DAY 7 5 14 22 25 6 20 2 3 19 29 31 1977 1012.5 1013.8 1012.4 1007.6 1009.4 1000.6 999.3 1003.7 1012.7 1014.5 1010.8 1014.7 999.3 DAY 9 25 30 8 17 24 2 18 8 26 17 24 1978 1010.2 1010.7 1010.1 1008.6 1003.0 999.3 1000.5 1005.0 1005.4 1013.1 1014.7 1010.4 999.3 DAY 26 12 15 19 30 22 2 8 2 1 20 17 1979 1014.2 1011.2 1006.9 1010.1 1010.6 1004.1 1003.7 1006.3 1011.9 1015.9 1014.0 1012.2 1003.7 DAY 7 17 31 17 6 22 6 1 5 5 29 16 1980 1009.1 1010.3 1007.2 1010.8 1009.3 1003.5 1005.0 1004.3 1011.0 1014.2 1015.1 1013.9 1003.5 DAY 24 12 2 17 29 17 3 11 20 26 25 10 1981 1011.9 1009.0 1007.7 1006.7 1007.0 1005.1 1001.9 1005.8 1011.7 1014.4 1014.3 1014.5 1001.9 DAY 3 12 13 1 13 27 2 14 22 17 23 26 1982 1008.7 1008.8 1008.6 1007.3 1011.0 1004.7 1000.2 1000.0 1010.6 1013.7 1014.5 1014.8 1000.0 DAY 29 14 7 18 24 25 31 1 14 1 7 7 1983 1011.3 1009.3 1009.1 1011.6 1009.1 1003.5 1002.0 1003.8 1006.4 1012.8 1018.5 1012.8 1002.0 DAY 24 28 7 25 30 29 27 5 9 5 12 12 1984 1009.1 1012.2 1008.2 1009.3 1007.2 1002.5 1003.6 1003.6 1006.9 1014.4 1015.7 1013.9 1002.5 DAY 17 8 13 26 29 21 16 8 1 18 14 7 1985 1014.2 1006.9 1009.1 1008.4 1008.6 1004.3 1003.5 1005.9 1008.7 1013.0 1016.7 1011.4 1003.5 DAY 30 16 25 8 22 19 27 8 8 11 11 19 1986 1008.0 1009.1 1010.3 1009.4 1010.2 1000.9 1004.7 1007.6 1012.5 1016.0 1013.1 1012.4 1000.9 DAY 20 16 25 30 10 20 19 4 5 24 7 28 1987 1009.1 1013.7 1008.2 1011.0 1009.1 1004.6 1003.6 1005.0 1009.7 1012.1 1016.9 1011.2 1003.6 DAY 3 10 14 5 23 13 3 30 2 9 8 31 1988 1010.6 1012.4 1006.2 1011.2 1009.3 1002.1 1000.3 1004.0 1008.1 1013.5 1015.3 1010.2 1000.3 DAY 19 17 24 1 24 24 8 4 1 7 29 26 1989 1010.8 1007.1 1007.9 1010.9 1008.8 1005.4 1005.7 1005.1 1007.1 1012.8 1017.5 1014.9 1005.1 DAY 12 23 30 23 30 7 18 1 12 2 20 5 1990 1012.2 1007.1 1010.0 1007.8 1005.2 1003.2 999.9 1005.8 1007.7 1013.4 1013.4 1013.4 999.9 DAY 2 16 3 16 13 27 5 9 4 2 1 25 1991 1008.7 1012.0 1008.3 1009.2 1005.2 1002.9 1000.9 1003.6 1009.8 1016.0 1015.2 1013.7 1000.9 DAY 26 8 7 10 23 12 14 12 8 5 6 26 1992 1013.2 1010.6 1008.3 1007.0 1011.8 999.5 1003.5 1004.7 1010.8 1013.0 1013.4 1013.8 999.5 DAY 1 11 31 19 21 27 19 2 18 7 26 4 1993 1010.1 1012.4 1008.4 1008.8 1007.8 1004.9 1003.6 1006.4 1009.8 1014.1 1013.2 1016.0 1003.6 DAY 9 23 22 13 29 13 9 12 4 3 14 5 1994 1012.9 1008.8 1011.6 1009.3 1009.1 1000.5 1000.3 1001.3 1006.8 1014.4 1012.9 1011.8 1000.3 DAY 26 12 12 3 11 29 21 1 1 3 26 4 1995 1016.5 1010.4 1007.3 1011.2 1008.9 1003.2 998.8 1004.0 1010.8 1013.4 1009.3 1015.7 998.8 DAY 13 24 27 16 14 23 17 3 5 13 26 6 1996 1014.3 1006.7 1008.8 1010.3 1009.1 1006.0 1005.9 1006.4 1006.6 1012.0 1016.4 1015.2 1005.9 DAY 13 5 14 11 29 6 25 8 20 6 29 15 1997 1009.3 1011.3 1006.9 1009.9 1009.0 1004.1 999.7 1005.4 1009.4 1014.4 1014.8 1012.5 999.7 DAY 17 1 25 10 5 19 16 4 3 24 13 10 1998 1007.8 1006.3 1009.4 1010.0 1006.2 1005.1 999.3 1007.1 1009.0 1012.9 1017.2 1015.4 999.3 DAY 13 13 15 6 30 30 9 13 6 4 1 21 1999 1011.4 1009.9 1009.6 1011.7 1004.7 1002.0 1003.6 1004.8 1007.7 1015.3 1014.8 1015.8 1002.0 DAY 18 6 3 9 21 25 11 7 16 25 26 16 2000 1011.8 1011.1 1011.4 1011.7 1005.8 1002.2 1002.9 1005.7 1004.6 1013.3 1013.9 1014.3 1002.2 DAY 21 7 5 20 27 25 9 31 1 2 6 15 2001 1014.9 1009.1 1005.2 1009.0 1004.1 1002.8 1001.0 1006.4 1008.8 1014.3 1014.2 1015.5 1001.0 DAY 20 21 26 10 26 10 12 28 1 2 12 5 2002 1012.1 1013.5 1012.3 1001.9 1008.0 1000.7 1004.2 1004.6 1010.7 1016.3 1015.0 1009.6 1000.7 DAY 22 25 29 4 13 21 26 17 10 22 13 22 2003 1012.0 1008.4 1011.1 1012.4 1009.9 1002.1 1000.6 1004.1 1009.1 1013.5 1014.3 1017.9 1000.6 DAY 29 19 13 14 24 21 26 1 11 1 14 7 2004 1012.1 1013.8 1010.7 1008.8 1004.2 1002.0 1002.8 1004.7 1009.1 1017.4 1027.0 1027.3 1002.0 DAY 15 20 31 1 14 18 11 15 12 3 24 21 2005 1021.5 1022.0 1020.8 1018.5 1018.2 1011.9 1013.2 1017.2 1020.6 1026.6 1027.0 1027.4 1011.9 DAY 23 5 24 30 6 28 5 7 16 4 9 24 1956-2005 1006.3 1006.3 1004.9 1001.9 1002.5 997.7 996.9 1000.0 1004.6 1010.6 1009.1 1009.2 996.9 YEAR-DAY 69-25 98-13 67-24 2- 4 61-30 73-16 58-10 82- 1 0- 1 75- 3 76-29 71-20 58-10 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 85 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF QFF PRESSURE IN HPA AT 0600 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1002.0 998.7 1004.0 1006.7 ****** ****** ****** ****** 1957 1021.5 1020.7 1015.5 1013.1 1009.0 1004.0 1002.2 1013.9 1017.9 1015.3 1020.4 1021.1 1014.6 1958 1020.1 1019.4 1014.0 1011.2 1009.8 1001.4 997.3 1001.5 1005.7 1014.3 1024.3 1020.7 1011.6 1959 1022.2 1016.6 1014.4 1011.2 1006.6 1002.1 997.6 995.8 1001.4 1011.9 1019.8 1026.2 1010.5 1960 1022.0 1018.3 1013.8 1011.8 1008.4 999.2 996.4 998.2 1006.4 1014.8 1020.1 1023.6 1011.1 1961 1022.6 1019.0 1013.1 1011.6 1004.7 1001.5 995.4 999.6 1000.7 1014.1 1018.9 1019.4 1010.0 1962 1021.2 1016.0 1012.1 1008.9 1005.7 1002.7 999.1 1002.8 1008.9 1016.3 1023.1 ****** ****** 1963 ****** ****** ****** ****** ****** ****** 997.9 999.8 1007.0 1013.6 1018.1 1021.8 ****** 1964 1026.1 1017.2 ****** ****** ****** 999.3 996.3 996.9 1006.9 1016.6 1019.7 1026.6 ****** 1965 1019.2 1016.9 1015.2 1009.6 1006.4 1001.0 997.7 1004.1 1009.5 1013.9 1020.0 1022.1 1011.3 1966 1021.7 1016.3 1013.4 1011.1 1008.0 999.9 998.1 1001.6 1007.2 1014.9 1024.7 1020.4 1011.4 1967 1023.6 1017.0 1012.0 1010.6 1007.8 1001.4 995.7 999.7 1005.0 1016.2 1017.4 1021.2 1010.6 1968 1018.3 1019.9 1013.8 1012.2 1009.2 1000.8 999.3 1000.8 1008.2 1015.5 1021.2 1020.0 1011.6 1969 1021.3 1020.6 1012.9 1011.2 1006.8 1001.5 996.9 1003.0 1009.3 1013.5 1022.2 1021.1 1011.7 1970 1021.0 1017.2 1015.3 1011.8 1006.1 999.5 997.0 997.8 1005.8 1013.3 1019.1 1020.9 1010.4 1971 1023.2 1015.3 1014.9 1008.7 1003.5 995.3 997.4 998.5 1008.5 1014.5 1018.7 1018.2 1009.7 1972 1021.4 1022.5 1013.5 1010.2 1006.2 999.7 997.4 1003.2 1007.7 1014.9 1017.2 1023.0 1011.4 1973 1025.0 1016.4 1013.4 1008.6 1003.2 996.0 994.1 999.8 1005.6 1013.7 1018.4 1021.8 1009.7 1974 1020.7 1020.7 1014.4 1007.5 1004.5 998.8 996.2 998.6 1005.4 1016.7 1019.3 1021.1 1010.3 1975 1022.0 1016.4 1013.3 1012.0 1005.2 999.4 996.3 998.1 1005.5 1012.4 1020.0 1022.1 1010.2 1976 1018.1 1017.8 1014.5 1011.1 1005.4 1000.7 994.4 999.3 1004.9 1011.5 1021.8 1022.6 1010.2 1977 1021.0 1021.0 1014.5 1008.3 1005.0 996.9 993.2 999.3 1007.7 1013.4 1017.4 1019.4 1009.8 1978 1021.1 1017.8 1013.6 1007.4 1003.9 997.4 997.2 998.8 1005.4 1014.2 1018.8 1018.1 1009.5 1979 1020.4 1015.0 1013.8 1009.5 1008.5 1000.4 997.7 1001.5 1008.4 1013.5 1020.2 1019.8 1010.7 1980 1019.2 1016.7 1012.8 1008.4 1004.8 998.9 998.4 998.8 1006.5 1011.8 1018.0 1019.8 1009.5 1981 1019.8 1015.8 1011.2 1008.0 1005.6 1000.2 997.1 1000.5 1008.9 1016.3 1017.4 1020.0 1010.1 1982 1019.9 1016.9 1013.4 1009.7 1008.1 1000.3 997.7 997.8 1008.6 1013.4 1018.6 1023.4 1010.7 1983 1021.4 1018.1 1015.1 1010.7 1004.9 1000.2 997.1 997.6 1003.5 1014.3 1019.7 1022.3 1010.4 1984 1021.2 1022.6 1012.7 1008.6 1004.6 998.0 997.7 995.9 1006.3 1017.1 1017.1 1023.5 1010.4 1985 1019.0 1012.0 1015.3 1006.8 1005.0 997.4 995.0 1001.8 1005.2 1012.2 1017.8 1018.7 1008.8 1986 1020.3 1016.1 1014.0 1008.5 1005.7 996.5 998.5 1001.5 1008.2 1013.0 1016.4 1019.4 1009.8 1987 1018.8 1017.8 1009.5 1009.9 1006.3 1000.4 999.4 999.2 1004.7 1015.0 1018.1 1019.9 1009.9 1988 1019.1 1017.2 1010.2 1008.9 1003.4 998.3 993.6 997.4 1004.1 1012.8 1017.4 1017.6 1008.3 1989 1020.1 1020.7 1011.3 1010.4 1006.4 998.5 997.7 999.9 1004.3 1012.2 1017.1 1017.7 1009.7 1990 1019.7 1015.0 1014.8 1007.1 1002.7 998.2 995.8 998.1 1003.5 1013.2 1017.9 1019.7 1008.8 1991 1019.4 1018.6 1012.6 1009.3 1002.6 998.9 995.6 998.1 1006.3 1014.2 1018.4 1017.9 1009.3 1992 1020.1 1014.7 1014.6 1009.0 1007.5 998.7 996.6 1000.6 1007.3 1012.8 1017.6 1018.4 1009.8 1993 1021.4 1017.1 1014.6 1009.3 1005.4 999.3 998.0 1001.4 1005.1 1016.8 1017.6 1022.1 1010.7 1994 1019.6 1014.7 1012.9 1010.3 1005.1 996.4 993.5 996.6 1009.0 1015.5 1015.1 1021.6 1009.2 1995 1020.6 1016.5 1014.0 1009.5 1006.5 999.3 992.5 998.0 1005.3 1012.7 1016.4 1022.7 1009.5 1996 1022.0 1015.1 1011.4 1009.5 1006.8 999.2 999.4 999.5 1002.2 1012.4 1020.0 1021.2 1009.9 1997 1017.8 1016.3 1010.7 1008.6 1006.3 998.3 992.4 997.5 1005.2 1011.6 1017.5 1018.6 1008.4 1998 1017.0 1016.2 1011.8 1008.0 1005.0 1001.4 995.3 999.9 1004.2 1011.8 1016.9 1019.9 1009.0 1999 1019.3 1015.6 1011.5 1008.4 1003.6 997.2 995.0 999.1 1003.0 1011.0 1015.4 1022.6 1008.5 2000 1017.4 1016.2 1012.4 1006.5 999.4 997.7 998.2 999.9 1002.8 1012.3 1018.8 1019.2 1008.4 2001 1020.5 1016.0 1012.1 1006.5 1000.7 996.3 994.6 1000.5 1004.8 1011.4 1016.5 1019.3 1008.3 2002 1018.7 1016.6 1012.5 1007.1 1002.6 997.6 997.5 997.4 1005.5 1011.6 1017.9 1018.7 1008.6 2003 1018.5 1012.5 1012.7 1008.7 1006.6 997.2 993.2 999.4 1004.3 1011.3 1018.2 1021.7 1008.7 2004 1015.8 1016.0 1013.1 1007.6 1002.2 997.8 998.2 997.8 1005.8 1014.4 1013.7 1017.3 1008.3 2005 1016.8 1013.8 1008.8 1008.2 1003.1 995.6 993.6 996.5 1001.2 1010.2 1015.7 1017.9 1006.8 MEAN 1020.4 1017.1 1013.1 1009.4 1005.4 999.2 996.6 999.7 1006.0 1013.7 1018.6 1020.7 1010.0 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 86 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MAX. OF QFF PRESSURE IN HPA AT 0600 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1009.6 1008.9 1012.1 1014.4 ****** ****** ****** ****** DAY ** ** ** ** ** 8 18 31 30 ** ** ** 1957 1031.8 1032.8 1021.9 1021.5 1013.4 1008.8 1011.4 1021.9 1030.0 1021.7 1034.5 1031.6 1034.5 DAY 4 8 3 6 12 9 30 23 10 15 24 30 1958 1028.0 1025.0 1019.2 1018.9 1018.9 1007.0 1005.2 1005.6 1012.6 1020.4 1031.1 1026.1 1031.1 DAY 2 13 6 2 14 3 16 27 30 22 24 26 1959 1032.4 1025.0 1021.6 1017.5 1015.2 1006.9 1002.2 1000.2 1008.5 1020.4 1025.9 1035.6 1035.6 DAY 3 11 9 4 4 4 8 28 25 21 22 16 1960 1029.4 1030.1 1025.4 1020.4 1018.5 1005.2 1002.1 1001.0 1011.2 1021.8 1028.8 1031.4 1031.4 DAY 29 2 21 8 6 7 29 15 25 30 27 5 1961 1033.3 1028.9 1026.7 1018.6 1013.7 1011.5 1000.7 1005.2 1008.9 1024.0 1025.9 1028.5 1033.3 DAY 10 23 4 4 2 10 24 10 30 31 1 4 1962 1032.1 1027.1 1022.5 1017.9 1012.0 1009.3 1004.8 1008.7 1019.7 1022.4 1031.3 ****** ****** DAY 20 11 5 22 17 2 31 29 29 27 23 ** 1963 ****** ****** ****** ****** ****** ****** 1002.6 1003.0 1013.6 1018.7 1022.9 1032.1 ****** DAY ** ** ** ** ** ** 24 24 25 12 27 28 1964 1034.0 1028.5 ****** ****** ****** 1009.3 1008.2 1002.4 1016.7 1022.6 1031.0 1033.4 ****** DAY 31 1 ** ** ** 2 15 31 29 28 30 1 1965 1027.3 1026.0 1024.3 1015.2 1013.0 1008.5 1001.4 1008.5 1014.0 1020.8 1026.0 1031.2 1031.2 DAY 17 26 17 11 21 4 9 9 30 29 25 23 1966 1028.1 1026.0 1025.8 1021.8 1014.0 1008.3 1002.2 1006.8 1010.5 1022.1 1030.3 1029.1 1030.3 DAY 1 26 3 6 13 2 3 17 21 31 26 8 1967 1033.4 1027.2 1027.2 1021.5 1018.1 1009.3 1002.0 1003.8 1010.6 1023.7 1020.9 1027.9 1033.4 DAY 7 20 1 4 3 16 15 29 26 28 29 28 1968 1029.4 1031.6 1027.3 1019.3 1016.6 1011.6 1004.9 1009.2 1014.0 1023.2 1028.8 1029.8 1031.6 DAY 20 7 27 1 1 1 14 30 21 30 24 22 1969 1031.7 1032.2 1021.8 1017.0 1014.4 1010.6 1001.5 1009.5 1020.1 1017.2 1031.0 1026.1 1032.2 DAY 9 3 25 15 22 3 14 31 14 15 23 11 1970 1029.3 1025.7 1020.8 1018.8 1013.2 1004.6 1003.8 1002.3 1015.7 1022.3 1026.5 1032.0 1032.0 DAY 3 2 26 27 23 16 23 14 22 27 15 16 1971 1032.0 1027.5 1021.0 1015.3 1009.4 1001.1 1003.1 1001.7 1014.9 1019.5 1026.4 1025.7 1032.0 DAY 4 3 3 21 5 9 26 21 24 22 21 12 1972 1033.0 1033.3 1021.5 1025.4 1015.3 1008.6 1002.0 1009.5 1014.5 1021.9 1024.8 1037.2 1037.2 DAY 5 24 4 17 25 1 26 27 22 26 24 27 1973 1036.4 1032.6 1029.7 1014.7 1011.8 1004.1 1000.1 1002.6 1015.3 1018.5 1027.4 1032.7 1036.4 DAY 26 7 10 14 8 3 28 22 30 22 12 27 1974 1030.6 1030.7 1025.2 1015.4 1012.9 1003.3 1001.0 1001.4 1010.2 1024.2 1027.3 1029.8 1030.7 DAY 5 5 7 13 2 1 29 6 30 15 18 31 1975 1035.8 1025.3 1023.0 1023.8 1011.6 1003.7 1000.6 1006.3 1014.4 1023.4 1026.7 1031.2 1035.8 DAY 15 18 5 4 20 6 29 31 19 26 21 5 1976 1026.4 1028.7 1025.1 1020.3 1009.5 1006.3 999.3 1003.7 1008.8 1020.1 1029.2 1029.5 1029.5 DAY 1 21 27 4 13 21 23 28 21 31 13 13 1977 1031.5 1028.6 1024.1 1012.9 1009.0 1005.6 996.8 1004.1 1012.7 1021.2 1024.9 1025.5 1031.5 DAY 10 15 10 14 14 1 26 24 30 28 28 18 1978 1029.9 1028.1 1021.6 1012.7 1012.8 1006.4 1004.8 1003.1 1012.3 1018.1 1031.2 1029.0 1031.2 DAY 13 6 9 6 5 5 9 24 29 11 26 25 1979 1027.1 1023.6 1029.0 1018.8 1015.3 1009.7 1001.7 1010.5 1013.7 1019.8 1028.6 1031.8 1031.8 DAY 18 2 5 18 11 5 21 31 30 21 25 23 1980 1027.2 1029.3 1022.7 1016.9 1010.6 1007.7 1003.3 1006.6 1013.2 1019.6 1026.2 1026.1 1029.3 DAY 10 3 5 21 1 2 18 31 24 23 27 21 1981 1029.3 1026.7 1024.8 1019.6 1015.9 1009.4 1004.5 1003.8 1014.1 1023.5 1026.4 1026.2 1029.3 DAY 9 4 6 3 2 11 30 3 27 24 26 12 1982 1030.8 1030.8 1022.6 1020.7 1014.8 1006.2 1002.1 1005.3 1013.3 1020.4 1031.7 1030.4 1031.7 DAY 21 20 5 4 13 4 14 31 21 26 18 9 1983 1032.9 1026.7 1023.8 1015.1 1010.0 1010.4 1002.6 1000.5 1010.8 1022.7 1026.6 1030.7 1032.9 DAY 11 24 19 3 8 1 11 18 30 28 27 25 1984 1029.8 1031.5 1022.2 1014.4 1009.5 1004.2 1000.6 998.3 1012.5 1025.5 1024.9 1031.3 1031.5 DAY 5 20 4 2 3 4 25 24 30 22 27 20 1985 1023.8 1020.7 1030.3 1013.2 1012.5 1002.3 998.5 1008.4 1010.4 1017.7 1022.7 1027.4 1030.3 DAY 25 8 6 1 13 2 2 30 30 26 17 31 1986 1031.3 1022.1 1023.8 1014.9 1012.7 1004.3 1002.0 1005.9 1013.6 1019.8 1026.3 1028.2 1031.3 DAY 24 21 17 5 20 5 23 29 23 20 16 7 1987 1026.5 1026.1 1019.5 1016.4 1013.8 1010.0 1005.2 1004.8 1012.4 1024.1 1034.7 1035.3 1035.3 DAY 13 7 22 8 1 1 29 7 26 29 30 1 1988 1033.4 1032.4 1020.5 1019.3 1011.0 1007.0 999.5 1002.2 1010.4 1018.7 1024.8 1031.8 1033.4 DAY 3 7 25 3 2 1 29 26 30 17 26 30 1989 1030.1 1031.1 1018.4 1018.0 1014.9 1001.6 1000.2 1004.8 1017.0 1022.0 1023.1 1023.8 1031.1 DAY 31 26 31 9 2 2 20 31 24 27 26 19 1990 1030.6 1027.3 1025.9 1014.4 1009.3 1006.1 1000.0 1002.0 1008.8 1023.9 1025.7 1035.4 1035.4 DAY 27 1 21 12 17 1 15 15 27 19 23 28 1991 1030.1 1035.2 1022.2 1016.4 1010.4 1005.0 999.7 1002.5 1016.7 1017.0 1024.8 1027.8 1035.2 DAY 13 15 18 15 9 25 1 31 28 18 29 18 1992 1035.0 1024.2 1029.9 1017.0 1014.5 1005.5 1000.9 1007.5 1011.8 1017.6 1023.2 1027.2 1035.0 DAY 10 13 13 12 3 2 16 31 1 30 18 11 1993 1030.4 1026.1 1021.7 1018.2 1013.3 1007.2 1003.2 1006.0 1009.4 1023.8 1025.4 1029.4 1030.4 DAY 6 8 18 1 10 23 27 26 23 9 23 7 1994 1029.2 1022.7 1020.9 1024.1 1010.8 1005.0 999.8 1000.9 1018.5 1024.0 1020.1 1034.4 1034.4 DAY 28 21 18 5 8 12 14 16 23 10 2 8 1995 1027.0 1024.3 1022.7 1016.1 1012.9 1009.4 997.5 1001.3 1010.3 1022.4 1027.8 1028.0 1028.0 DAY 7 26 3 10 27 1 29 25 23 27 28 11 1996 1030.6 1023.6 1018.8 1020.4 1013.6 1001.9 1007.3 1005.5 1009.6 1021.4 1033.3 1029.1 1033.3 DAY 27 14 1 7 3 17 4 31 26 21 19 8 1997 1026.7 1026.8 1023.2 1017.7 1016.3 1004.7 995.1 1002.6 1010.4 1017.3 1024.9 1031.2 1031.2 DAY 19 8 11 14 7 4 9 31 18 25 30 29 1998 1024.8 1026.9 1019.2 1018.1 1013.6 1005.8 1001.3 1004.0 1010.4 1018.7 1022.0 1027.7 1027.7 DAY 4 23 4 12 3 6 21 25 13 26 21 10 1999 1030.2 1022.8 1023.2 1015.5 1009.5 1005.2 999.5 1005.4 1013.4 1015.4 1024.1 1029.4 1030.2 DAY 3 7 19 12 12 1 27 20 29 27 14 6 2000 1027.2 1026.9 1020.6 1013.5 1006.0 1003.8 1003.1 1004.5 1008.5 1018.7 1028.8 1028.0 1028.8 DAY 31 11 4 3 6 17 31 23 30 5 17 17 2001 1030.0 1024.9 1024.6 1014.9 1006.4 1003.2 1001.8 1006.9 1013.5 1018.4 1023.4 1026.7 1030.0 DAY 29 1 12 4 1 2 30 14 22 11 21 18 2002 1028.0 1027.8 1027.0 1018.2 1008.4 1004.5 1003.7 1002.4 1011.1 1015.0 1025.9 1028.0 1028.0 DAY 26 5 11 1 10 25 31 2 30 27 30 5 2003 1025.4 1022.3 1030.9 1014.9 1016.7 1004.8 996.7 1003.5 1012.6 1015.5 1030.4 1034.3 1034.3 DAY 12 7 3 19 2 1 3 4 27 16 25 13 2004 1027.3 1025.2 1022.0 1014.0 1007.2 1005.9 1003.2 1004.4 1013.4 1019.7 1023.3 1030.1 1030.1 DAY 1 10 23 13 7 2 18 31 27 27 29 4 2005 1024.9 1025.0 1015.8 1019.3 1009.7 1002.9 997.4 1000.5 1005.0 1016.2 1022.2 1027.1 1027.1 DAY 13 17 27 9 8 6 29 27 25 27 27 30 1956-2005 1036.4 1035.2 1030.9 1025.4 1018.9 1011.6 1011.4 1021.9 1030.0 1025.5 1034.7 1037.2 1037.2 YEAR-DAY 73-26 91-15 3- 3 72-17 58-14 68- 1 57-30 57-23 57-10 84-22 87-30 72-27 72-27 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 87 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MIN. OF QFF PRESSURE IN HPA AT 0600 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 995.9 988.7 999.0 1001.7 ****** ****** ****** ****** DAY ** ** ** ** ** 30 22 4 13 ** ** ** 1957 1009.8 1006.2 1006.7 1007.1 1003.7 995.8 993.5 1005.9 1007.1 1007.8 1011.8 1008.4 993.5 DAY 12 5 7 25 21 7 14 8 28 11 18 7 1958 1013.4 1013.3 1009.0 1005.6 1006.0 995.4 985.7 997.1 999.5 1009.0 1010.6 1012.8 985.7 DAY 31 6 23 30 1 21 10 3 5 10 7 10 1959 1008.2 1005.6 1004.2 1003.2 997.7 991.0 991.6 990.5 997.0 1003.8 1011.7 1016.3 990.5 DAY 23 17 1 19 31 29 28 3 12 5 26 1 1960 1012.1 1010.6 1003.6 1004.6 997.6 993.8 989.9 994.3 996.7 1007.1 1007.5 1017.6 989.9 DAY 27 29 9 29 31 30 2 12 2 11 20 3 1961 1012.1 1010.1 1005.0 1003.0 993.5 994.0 991.2 994.9 994.5 1005.7 1010.6 1009.9 991.2 DAY 27 16 13 2 29 6 15 1 11 6 24 23 1962 1011.8 1007.7 1002.4 1001.4 999.1 994.1 993.6 995.4 1001.2 1007.2 1015.2 ****** ****** DAY 9 8 29 11 26 10 13 8 18 10 13 ** 1963 ****** ****** ****** ****** ****** ****** 994.5 995.0 999.6 1008.1 1006.1 1009.8 ****** DAY ** ** ** ** ** ** 12 12 8 2 16 11 1964 1006.0 1009.7 ****** ****** ****** 989.3 990.2 991.3 1000.3 1004.7 1006.8 1015.1 ****** DAY 19 27 ** ** ** 29 11 2 3 4 27 25 1965 1007.6 1007.2 1007.0 1001.4 1000.5 994.4 993.0 999.1 1005.8 1006.5 1011.6 1013.3 993.0 DAY 11 23 24 21 30 25 12 1 6 25 9 21 1966 1015.6 1007.9 999.5 1003.1 1001.8 990.7 994.5 995.3 1002.2 1006.2 1020.8 1007.4 990.7 DAY 31 15 20 23 26 27 18 6 13 2 16 12 1967 1010.9 1008.5 999.4 1001.8 1000.8 995.7 988.6 994.6 999.3 1004.8 1013.4 1008.5 988.6 DAY 22 13 24 25 28 30 10 4 7 3 26 24 1968 1007.8 1004.8 1004.5 1001.3 1003.5 993.7 991.2 995.2 1002.2 1007.5 1015.1 1011.0 991.2 DAY 25 3 19 25 17 21 12 13 7 11 18 2 1969 1002.0 1011.0 1004.8 1004.4 998.6 995.0 993.1 995.9 1001.8 1007.1 1010.9 1013.7 993.1 DAY 25 22 24 13 31 23 22 8 12 29 9 14 1970 1009.7 1008.1 1007.9 1005.5 998.6 994.6 991.4 991.4 996.7 1003.6 1014.0 1010.4 991.4 DAY 23 19 24 20 31 9 5 7 14 9 11 14 1971 1009.2 1006.4 1004.0 1001.6 997.0 989.9 993.8 993.9 1000.0 1006.7 1012.3 1006.2 989.9 DAY 14 14 21 26 27 5 1 9 2 7 5 20 1972 1010.7 1009.1 1002.8 1002.5 999.9 990.4 990.7 992.0 1000.4 1011.3 1009.8 1012.7 990.4 DAY 19 20 18 25 3 25 5 1 12 17 8 17 1973 1008.3 1003.3 1003.1 1001.2 996.5 986.6 988.6 995.3 999.5 1008.6 1010.2 1011.4 986.6 DAY 16 22 7 24 30 16 16 5 2 11 3 7 1974 1007.4 1010.9 1005.6 1000.3 997.2 994.0 988.9 992.9 997.4 1012.7 1013.3 1010.3 988.9 DAY 16 12 24 29 27 26 20 11 3 1 25 6 1975 1012.1 1006.5 1002.7 1002.2 1000.5 995.6 993.0 990.6 999.5 1003.5 1005.9 1013.0 990.6 DAY 5 11 3 15 24 26 17 14 10 5 29 24 1976 1010.6 1005.7 1003.4 1005.2 1000.1 993.4 989.3 995.4 1000.4 1005.9 1005.1 1012.6 989.3 DAY 25 11 14 22 21 6 20 1 2 19 29 11 1977 1010.5 1011.4 1006.6 1002.1 999.1 988.8 988.4 992.7 1004.0 1007.4 1008.8 1010.7 988.4 DAY 21 7 23 25 24 24 2 19 4 5 17 23 1978 1008.0 1008.8 1004.5 1001.8 993.1 987.9 989.4 994.8 996.2 1005.7 1009.3 1005.9 987.9 DAY 26 12 15 20 30 22 2 8 2 1 2 17 1979 1010.4 1007.5 1001.4 1001.7 1002.7 993.0 992.8 995.6 1003.9 1007.4 1009.1 1008.3 992.8 DAY 7 17 31 17 6 22 6 1 5 5 30 16 1980 1005.2 1005.6 1002.9 1002.1 999.6 992.7 995.5 993.0 1001.7 1007.3 1011.3 1011.0 992.7 DAY 24 12 3 17 29 17 26 11 20 5 25 11 1981 1010.0 1005.7 1001.7 999.5 997.8 993.4 991.4 996.0 1003.0 1007.7 1009.4 1011.8 991.4 DAY 26 12 28 29 13 15 2 14 22 17 23 26 1982 1004.7 1007.8 1005.5 1001.1 1002.2 994.3 989.1 988.8 1002.2 1006.1 1012.8 1014.6 988.8 DAY 29 14 26 18 24 25 31 1 14 1 7 30 1983 1010.9 1007.3 1004.7 1003.8 999.3 992.8 991.0 993.4 996.2 1004.3 1014.3 1009.2 991.0 DAY 24 28 7 25 30 29 27 5 9 5 12 12 1984 1009.7 1011.9 1001.5 1001.3 997.2 992.6 993.1 993.1 997.0 1007.9 1010.6 1011.2 992.6 DAY 29 8 13 26 30 21 16 8 1 18 13 7 1985 1011.8 1002.7 1001.8 1001.4 998.5 993.8 991.7 995.7 997.4 1005.5 1012.5 1007.1 991.7 DAY 30 16 25 25 22 9 28 1 8 11 7 19 1986 1004.9 1005.9 1005.2 1001.8 1001.2 988.9 994.7 997.8 1003.9 1008.6 1008.2 1008.8 988.9 DAY 20 16 25 30 10 20 19 4 30 1 8 31 1987 1007.3 1011.0 1002.7 1002.3 1000.0 994.3 992.6 994.1 1000.2 1003.2 1009.6 1008.0 992.6 DAY 3 11 14 20 23 13 3 30 3 9 8 31 1988 1007.5 1009.8 1002.0 1001.8 999.2 990.3 988.4 992.6 998.4 1006.0 1011.3 1007.6 988.4 DAY 29 25 24 23 30 24 8 4 1 9 29 26 1989 1009.9 1002.3 1003.2 1004.3 998.0 994.6 994.6 995.3 997.5 1003.7 1012.4 1009.8 994.6 DAY 3 23 28 29 31 7 18 1 12 2 17 5 1990 1009.9 1002.9 1005.6 998.4 995.1 992.5 988.6 994.2 997.5 1005.5 1008.0 1011.3 988.6 DAY 2 16 25 16 13 27 5 9 4 2 1 26 1991 1005.5 1008.8 1004.1 1002.2 995.0 992.0 990.5 993.3 999.7 1009.3 1006.5 1010.1 990.5 DAY 26 4 7 10 23 12 14 12 8 5 5 15 1992 1010.3 1006.8 1002.7 1000.4 1002.5 987.7 993.2 993.9 1002.0 1006.5 1008.2 1010.1 987.7 DAY 3 25 31 19 21 27 19 2 18 7 26 4 1993 1006.1 1008.7 1003.6 1002.8 997.4 993.7 992.7 996.2 1000.5 1005.6 1007.0 1015.0 992.7 DAY 9 23 22 13 29 13 9 12 4 3 14 5 1994 1010.4 1005.7 1006.4 1002.0 1001.5 988.2 988.7 990.3 996.4 1006.9 1007.4 1006.8 988.2 DAY 17 12 12 3 2 29 21 2 1 3 26 4 1995 1013.1 1005.7 1000.3 1004.7 1000.1 991.9 987.3 993.8 1001.8 1004.9 1004.4 1014.0 987.3 DAY 13 24 27 16 14 23 17 3 1 13 26 6 1996 1013.5 1003.2 1004.5 1003.1 999.5 994.4 995.5 994.4 993.0 1004.6 1012.6 1012.1 993.0 DAY 7 5 14 28 29 6 12 8 21 6 10 15 1997 1005.3 1007.7 1001.3 1002.0 999.7 991.4 987.4 993.7 999.0 1006.0 1009.0 1008.8 987.4 DAY 17 1 25 11 5 19 16 4 3 1 13 10 1998 1006.2 1003.6 1003.1 1000.3 994.9 994.0 985.5 996.0 997.9 1003.0 1010.0 1012.6 985.5 DAY 13 13 15 23 30 30 9 23 6 4 1 21 1999 1007.4 1005.6 1005.9 1002.8 993.6 990.3 990.6 993.8 997.7 1007.4 1008.6 1012.2 990.3 DAY 18 21 3 9 21 23 10 7 16 25 1 16 2000 1008.0 1007.7 1006.5 1002.1 993.4 990.5 991.2 995.2 993.1 1004.2 1009.4 1011.6 990.5 DAY 21 26 14 20 28 26 9 4 1 2 6 12 2001 1011.6 1002.9 998.8 1000.4 992.9 990.9 988.2 995.2 996.8 1005.6 1008.6 1011.5 988.2 DAY 20 21 26 30 26 30 12 28 1 2 12 6 2002 1010.2 1009.1 1004.9 994.5 997.3 988.2 991.7 992.6 1001.1 1008.5 1008.9 1005.3 988.2 DAY 22 25 22 4 13 20 26 18 18 22 13 22 2003 1006.6 1004.5 1003.7 1002.8 999.2 990.0 988.1 990.9 998.5 1004.7 1007.2 1011.7 988.1 DAY 29 16 13 28 24 30 1 1 11 1 2 7 2004 1006.9 1007.7 1002.3 1001.6 993.8 990.4 991.8 992.2 999.0 1010.1 1005.6 1007.2 990.4 DAY 15 16 31 1 14 18 11 15 12 5 24 16 2005 1003.3 1004.0 999.5 995.1 995.3 985.3 987.6 991.7 996.4 1003.1 1005.6 1008.4 985.3 DAY 23 5 24 30 6 28 6 7 6 5 9 24 1956-2005 1002.0 1002.3 998.8 994.5 992.9 985.3 985.5 988.8 993.0 1003.0 1004.4 1005.3 985.3 YEAR-DAY 69-25 89-23 1-26 2- 4 1-26 5-28 98- 9 82- 1 96-21 98- 4 95-26 2-22 5-28 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 88 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF COMPUTED QFF PRESSURE IN HPA AT 0600 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 996.2 995.8 1002.1 1004.7 ****** ****** ****** ****** 1957 ****** ****** ****** ****** ****** 1001.2 999.7 1010.9 1015.5 1013.7 1019.0 1019.7 ****** 1958 1019.1 1018.3 1012.6 1009.7 1008.5 999.7 996.2 1000.3 1004.4 1013.2 1023.2 1019.6 1010.4 1959 1021.0 1015.5 1013.3 1009.9 1005.1 1000.7 996.5 994.2 1000.1 1010.8 1018.6 1025.1 1009.2 1960 1020.9 1017.1 1013.3 1010.5 1006.8 997.7 995.2 997.1 1005.5 1013.7 1019.2 1022.9 1010.0 1961 1021.7 1018.3 1012.5 1010.7 1003.8 1000.5 994.7 998.7 1000.6 1013.4 1018.1 1018.8 1009.3 1962 1020.5 1015.3 1011.4 1008.3 1005.8 ****** ****** ****** ****** ****** ****** ****** ****** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 1017.7 1015.8 1013.8 1008.3 1004.8 999.2 995.9 1002.2 1007.9 1012.6 1018.9 1021.6 1009.9 1966 1021.4 1015.8 1012.9 1010.5 1007.2 999.1 997.4 1000.7 1006.2 1013.9 1024.2 1020.0 1010.8 1967 1023.3 1016.5 1011.7 1009.9 1007.0 1000.5 994.6 998.8 1002.8 1018.4 1017.0 1020.7 1010.1 1968 1017.8 1019.6 1013.3 1011.4 1008.2 999.8 998.5 999.9 1007.3 1014.7 1020.4 1019.4 1010.9 1969 1020.7 1020.1 1012.3 1010.6 ****** ****** ****** ****** ****** ****** ****** ****** ****** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1022.3 ****** 1984 1019.8 1021.7 1012.0 1007.7 1003.7 996.9 996.5 994.7 1005.4 1016.3 1016.4 1022.4 1009.5 1985 1018.0 1011.4 1014.5 1006.1 1004.0 996.4 993.4 1000.7 1004.7 1011.4 1017.1 1017.7 1008.0 1986 1019.5 1015.2 1013.2 1007.6 1004.6 995.2 997.6 1000.6 1007.2 1012.1 1015.6 1018.4 1008.9 1987 1018.0 1016.9 1008.7 1008.7 1005.3 999.6 998.4 998.1 1003.5 1014.4 1017.5 1019.1 1009.0 1988 1018.2 1016.2 1009.5 1008.1 1002.3 997.1 992.4 996.6 1002.9 1012.1 1016.7 1016.9 1007.4 1989 1019.1 1019.8 1010.5 1009.6 1005.4 997.6 996.7 999.1 1003.5 1011.6 1016.5 1017.0 1008.9 1990 1018.7 1014.2 1014.2 1006.4 1001.7 997.1 994.8 996.9 1002.5 1012.4 1017.2 1019.0 1007.9 1991 1018.4 1017.9 1011.9 1008.5 1001.7 997.9 994.5 997.0 1005.3 1013.3 1017.8 1016.9 1008.4 1992 1019.0 1013.9 1013.8 1008.2 1006.5 997.5 995.6 999.6 1006.4 1012.1 1016.9 1017.6 1008.9 1993 1020.2 1016.2 1014.0 1008.3 1004.4 998.1 997.0 1000.5 1004.1 1016.1 1016.8 1021.2 1009.7 1994 1018.8 1014.0 1012.1 1009.6 1004.1 995.0 992.4 995.4 1008.1 1014.5 1014.3 1020.6 1008.2 1995 1019.8 1015.7 1013.4 1008.8 1005.8 998.3 991.6 997.1 1004.6 1012.0 1015.9 1021.6 1008.7 1996 1021.0 1014.4 1010.7 1008.8 1005.6 998.2 998.4 999.4 1002.1 1012.2 1019.9 1021.1 1009.3 1997 1017.6 1016.2 1010.8 1008.5 1006.1 998.2 992.4 997.4 1005.0 1011.5 1017.3 1018.4 1008.3 1998 1016.7 1016.0 1011.6 1007.8 1004.8 1001.2 995.2 999.7 1004.0 1011.5 1016.7 1019.9 1008.8 1999 1019.2 1015.4 1011.4 1008.2 1003.3 997.0 994.9 998.9 1002.7 1010.8 1015.3 1022.6 1008.3 2000 1017.2 1016.0 1012.2 1006.3 999.3 997.5 998.0 999.5 1002.6 1011.8 1018.6 1018.9 1008.2 2001 1020.4 1015.8 1011.8 1006.1 1000.3 995.8 994.2 1000.1 1004.5 1011.0 1016.1 1018.9 1007.9 2002 1018.5 1016.5 1012.3 1006.7 1002.2 997.4 997.4 997.1 1005.2 1011.3 1017.6 1018.5 1008.4 2003 1018.6 1012.5 1012.6 1008.6 1006.5 997.1 993.1 999.4 1004.3 1011.3 1018.2 1021.4 1008.6 2004 1015.8 1015.9 1012.8 1007.5 1002.1 997.8 998.0 997.8 1005.8 1014.4 1028.4 1032.5 1010.7 2005 1032.0 1028.9 1023.5 1022.5 1017.2 1009.3 1007.2 1010.3 1015.1 1024.6 1030.5 1033.0 1021.2 MEAN 1019.6 1016.7 1012.6 1009.0 1005.0 998.5 996.1 999.4 1005.1 1013.3 1018.6 1020.7 1009.6 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 89 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MAX. OF COMPUTED QFF PRESSURE IN HPA AT 0600 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1002.1 1000.7 1009.9 1011.6 ****** ****** ****** ****** DAY ** ** ** ** ** 7 25 31 30 ** ** ** 1957 ****** ****** ****** ****** ****** 1004.4 1008.4 1017.6 1023.8 1020.3 1032.9 1029.8 ****** DAY ** ** ** ** ** 18 30 22 10 15 24 23 1958 1026.7 1023.5 1018.0 1017.2 1017.2 1005.5 1004.0 1004.4 1010.9 1018.7 1029.8 1024.7 1029.8 DAY 2 13 2 2 14 3 16 27 30 22 23 27 1959 1032.0 1023.6 1020.2 1016.3 1013.7 1005.4 1003.2 998.4 1006.9 1019.1 1024.7 1035.9 1035.9 DAY 3 3 9 9 4 4 20 29 26 21 22 16 1960 1028.4 1028.1 1024.4 1019.5 1017.3 1003.9 1001.4 999.7 1009.9 1021.5 1027.8 1030.2 1030.2 DAY 29 15 21 8 6 3 29 15 25 30 27 5 1961 1032.3 1027.8 1025.9 1018.1 1012.4 1009.9 999.6 1004.8 1008.2 1023.3 1025.3 1027.4 1032.3 DAY 10 23 4 18 2 10 25 10 30 31 29 4 1962 1031.3 1025.9 1022.0 1016.6 1010.8 ****** ****** ****** ****** ****** ****** ****** ****** DAY 19 11 4 19 17 ** ** ** ** ** ** ** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1965 1025.9 1024.7 1023.1 1014.0 1011.3 1006.5 999.5 1006.6 1012.7 1019.5 1024.8 1029.6 1029.6 DAY 17 26 17 11 21 4 9 9 30 29 25 23 1966 1027.5 1025.5 1025.4 1021.4 1013.4 1007.2 1001.4 1006.1 1009.6 1021.5 1029.8 1028.7 1029.8 DAY 1 26 3 6 13 7 11 17 6 31 28 8 1967 1032.9 1026.6 1026.7 1021.0 1017.4 1008.4 1000.8 1002.7 1006.7 1023.0 1020.4 1027.8 1032.9 DAY 7 21 1 4 3 16 15 27 14 28 29 27 1968 1029.0 1031.2 1027.0 1017.8 1015.8 1010.4 1004.1 1009.1 1013.0 1022.0 1028.1 1028.8 1031.2 DAY 20 7 27 8 1 1 14 28 21 30 24 24 1969 1031.2 1031.7 1021.3 1016.6 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 9 3 25 15 ** ** ** ** ** ** ** ** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1029.6 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 25 1984 1028.6 1030.6 1021.6 1013.4 1009.0 1003.1 999.6 996.9 1011.8 1024.8 1024.3 1030.3 1030.6 DAY 5 20 4 2 3 4 25 20 30 22 27 20 1985 1022.8 1019.7 1029.1 1012.3 1011.6 1001.5 997.1 1007.6 1009.6 1016.8 1021.8 1026.2 1029.1 DAY 25 8 6 18 13 2 15 30 30 26 17 31 1986 1030.0 1021.1 1022.6 1013.9 1011.9 1003.2 1001.3 1005.1 1012.5 1018.8 1025.3 1026.8 1030.0 DAY 24 22 17 5 20 5 23 29 23 20 16 7 1987 1025.3 1024.2 1018.1 1015.7 1012.7 1008.7 1004.0 1003.4 1011.2 1023.3 1033.4 1034.1 1034.1 DAY 17 12 23 8 1 1 29 7 26 29 30 1 1988 1032.3 1030.9 1019.4 1018.7 1008.2 1005.7 998.3 1001.3 1009.6 1017.5 1023.8 1030.7 1032.3 DAY 3 7 25 3 2 1 29 27 30 17 26 30 1989 1029.0 1030.1 1017.7 1017.3 1014.6 1000.7 999.4 1004.0 1016.1 1021.1 1022.4 1022.8 1030.1 DAY 31 26 31 9 2 2 20 31 24 27 26 19 1990 1029.5 1026.0 1024.7 1013.7 1008.7 1005.3 999.1 1000.9 1007.9 1023.3 1025.1 1034.2 1034.2 DAY 27 1 21 12 16 1 15 16 28 19 23 28 1991 1028.8 1034.2 1021.0 1016.0 1009.5 1004.1 998.7 1001.2 1015.9 1015.9 1023.9 1025.0 1034.2 DAY 13 15 18 15 9 25 5 23 28 18 29 18 1992 1033.8 1023.0 1028.6 1016.2 1013.6 1004.1 1000.0 1006.5 1011.0 1016.6 1022.4 1025.9 1033.8 DAY 10 13 13 12 3 2 16 31 1 30 18 11 1993 1028.9 1024.9 1020.8 1017.7 1012.5 1006.2 1002.2 1005.1 1008.5 1023.2 1024.3 1028.2 1028.9 DAY 6 8 18 1 10 23 27 26 23 9 23 7 1994 1028.3 1021.6 1020.2 1023.4 1010.0 1001.8 998.9 999.7 1017.8 1023.3 1019.2 1033.5 1033.5 DAY 28 21 18 5 8 9 14 16 23 10 2 8 1995 1025.8 1023.2 1021.9 1015.1 1012.1 1008.5 996.7 1000.4 1010.2 1021.6 1027.1 1026.7 1027.1 DAY 7 26 3 10 27 2 28 11 22 27 28 11 1996 1027.8 1022.4 1017.6 1020.0 1012.0 1001.2 1004.8 1005.3 1009.6 1020.7 1033.2 1028.9 1033.2 DAY 27 24 1 7 3 17 4 31 26 21 19 8 1997 1026.6 1027.0 1023.2 1017.4 1016.3 1004.6 995.0 1002.3 1010.3 1017.1 1024.8 1031.1 1031.1 DAY 19 8 1 14 7 4 9 29 19 25 30 29 1998 1024.5 1026.8 1019.1 1018.0 1013.6 1005.5 1001.2 1003.2 1009.7 1018.1 1021.5 1027.5 1027.5 DAY 4 23 4 12 3 6 21 25 13 26 21 10 1999 1030.2 1022.9 1022.4 1015.2 1009.3 1005.0 999.2 1004.3 1013.3 1015.1 1023.9 1029.2 1030.2 DAY 3 7 19 11 12 1 27 19 30 27 14 6 2000 1027.2 1026.9 1020.7 1013.4 1005.7 1003.9 1003.2 1004.5 1008.2 1017.1 1028.8 1027.6 1028.8 DAY 31 11 4 3 6 17 20 23 29 16 17 17 2001 1030.7 1024.8 1024.1 1014.5 1005.9 1002.9 1001.3 1006.4 1013.2 1018.0 1023.5 1026.4 1030.7 DAY 29 1 12 4 1 2 30 14 22 11 20 18 2002 1027.9 1027.6 1026.6 1017.5 1007.8 1003.4 1003.3 1001.8 1010.5 1014.3 1025.8 1028.0 1028.0 DAY 26 5 11 1 10 25 31 2 30 26 30 30 2003 1025.4 1022.3 1030.8 1014.9 1016.7 1004.7 996.7 1003.5 1012.6 1015.5 1030.4 1034.3 1034.3 DAY 12 7 3 19 2 1 3 4 27 16 25 13 2004 1027.0 1025.5 1021.9 1014.4 1007.1 1005.9 1003.1 1004.4 1013.4 1019.5 1038.6 1045.6 1045.6 DAY 1 10 23 13 7 2 18 31 27 27 29 4 2005 1040.6 1040.6 1030.8 1034.2 1024.1 1016.8 1011.3 1014.3 1019.1 1031.0 1037.5 1042.7 1042.7 DAY 13 17 27 9 8 6 29 27 25 27 27 30 1956-2005 1040.6 1040.6 1030.8 1034.2 1024.1 1016.8 1011.3 1017.6 1023.8 1031.0 1038.6 1045.6 1045.6 YEAR-DAY 5-13 5-17 3- 3 5- 9 5- 8 5- 6 5-29 57-22 57-10 5-27 4-29 4- 4 4- 4 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 90 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MIN. OF COMPUTED QFF PRESSURE IN HPA AT 0600 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 989.3 990.7 997.4 1000.1 ****** ****** ****** ****** DAY ** ** ** ** ** 2 11 4 13 ** ** ** 1957 ****** ****** ****** ****** ****** 997.0 990.6 1002.5 1005.7 1006.4 1010.5 1007.8 ****** DAY ** ** ** ** ** 29 14 8 19 11 18 7 1958 1011.8 1012.5 1008.3 1004.0 1004.5 993.5 984.1 995.4 998.7 1007.4 1009.7 1011.5 984.1 DAY 31 6 23 30 2 21 10 3 5 10 7 10 1959 1007.0 1004.2 1003.3 1001.6 996.5 989.5 989.9 989.0 995.4 1002.5 1010.4 1015.8 989.0 DAY 23 17 1 19 31 29 28 3 12 5 26 1 1960 1011.3 1009.8 1003.1 1003.2 996.2 991.8 989.1 992.6 996.1 1005.5 1006.9 1017.3 989.1 DAY 27 29 9 29 31 30 2 13 2 9 20 30 1961 1009.9 1010.0 1004.1 1002.5 992.7 993.2 990.1 993.9 993.6 1004.7 1010.1 1009.4 990.1 DAY 22 16 13 2 30 6 15 1 11 2 24 22 1962 1011.3 1007.5 1001.6 1001.2 999.4 ****** ****** ****** ****** ****** ****** ****** ****** DAY 9 8 29 11 11 ** ** ** ** ** ** ** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1965 1006.5 1006.2 1004.1 1000.3 998.9 992.6 991.0 997.5 1003.9 1005.6 1010.8 1013.1 991.0 DAY 11 23 23 21 30 25 12 1 1 25 9 21 1966 1015.0 1007.5 999.2 1002.8 1000.9 990.0 993.8 994.4 1001.1 1005.6 1020.4 1010.2 990.0 DAY 31 15 20 23 26 27 18 5 13 2 16 12 1967 1010.5 1008.1 1000.7 1001.3 1000.1 994.9 987.6 993.7 998.1 1011.6 1012.8 1008.3 987.6 DAY 22 13 24 25 28 30 10 4 7 13 26 24 1968 1007.5 1004.5 1004.3 1000.8 1002.7 992.6 990.2 994.2 1001.2 1006.8 1014.3 1010.4 990.2 DAY 25 3 19 25 17 21 12 13 7 11 18 2 1969 1001.6 1010.7 1004.4 1004.2 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 25 22 24 13 ** ** ** ** ** ** ** ** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1013.1 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 31 1984 1006.9 1010.7 1000.7 1000.0 996.1 991.5 992.0 992.0 996.4 1007.0 1009.5 1010.5 991.5 DAY 17 8 13 26 30 21 16 8 1 18 13 7 1985 1011.1 1002.4 1001.1 1000.6 997.5 992.6 990.1 994.6 997.5 1004.8 1011.9 1006.5 990.1 DAY 30 16 25 25 22 19 28 1 8 11 8 19 1986 1004.5 1005.6 1004.7 1001.1 1000.4 987.9 993.5 996.7 1002.9 1007.5 1007.6 1008.4 987.9 DAY 20 16 25 18 10 20 19 5 30 1 8 31 1987 1006.5 1009.1 1001.8 1000.8 998.9 993.6 991.6 992.9 997.9 1002.2 1009.2 1007.4 991.6 DAY 3 10 14 20 23 13 3 30 2 9 8 29 1988 1007.3 1008.9 1001.5 1001.7 997.8 989.0 987.3 992.2 996.8 1006.1 1010.7 1007.3 987.3 DAY 29 25 24 23 30 24 8 4 1 7 29 26 1989 1008.9 1001.7 1002.4 1003.6 996.8 993.6 993.2 994.4 996.7 1003.2 1011.5 1009.3 993.2 DAY 12 23 28 29 30 7 18 2 12 2 17 5 1990 1009.3 1002.4 1004.9 997.8 994.5 991.6 987.1 992.9 996.3 1004.6 1007.2 1010.7 987.1 DAY 2 16 25 16 13 27 5 9 4 2 1 26 1991 1004.5 1008.6 1003.6 1001.1 994.4 991.2 989.1 992.2 998.8 1008.4 1009.2 1009.6 989.1 DAY 26 4 7 10 23 12 14 12 8 5 6 15 1992 1009.5 1006.3 1002.1 999.9 1001.6 986.8 992.3 993.0 1001.1 1005.6 1007.8 1009.6 986.8 DAY 3 25 31 19 21 27 19 2 18 6 26 4 1993 1005.4 1008.0 1003.1 1002.0 996.4 992.8 991.7 995.5 999.5 1004.7 1006.4 1014.1 991.7 DAY 9 23 22 13 29 13 9 12 4 3 14 5 1994 1009.9 1005.1 1005.7 1001.3 1000.7 987.2 987.8 989.2 995.6 1006.0 1006.8 1005.4 987.2 DAY 17 12 12 3 11 29 21 2 1 3 26 4 1995 1012.5 1005.2 999.7 1003.9 999.4 990.7 986.2 992.8 1000.7 1004.2 1004.3 1013.3 986.2 DAY 13 24 27 16 14 17 17 3 19 13 26 6 1996 1013.1 1003.0 1004.2 1002.5 998.6 993.3 994.8 995.4 995.6 1004.5 1012.4 1011.9 993.3 DAY 7 5 14 28 29 6 12 8 20 6 3 15 1997 1005.3 1007.6 1001.1 1002.0 999.3 991.7 987.7 994.1 998.5 1005.6 1008.7 1008.9 987.7 DAY 17 1 30 11 5 19 16 19 3 1 13 10 1998 1006.0 1003.5 1003.7 1000.3 994.3 993.7 985.8 995.3 997.8 1002.8 1009.7 1012.3 985.8 DAY 13 13 15 23 30 30 9 23 6 4 1 21 1999 1007.4 1005.7 1005.6 1002.8 993.4 990.4 990.6 993.4 997.3 1007.4 1008.2 1012.1 990.4 DAY 18 21 3 9 21 26 10 7 16 25 2 16 2000 1008.1 1007.6 1006.4 1001.8 993.9 990.0 990.9 995.0 993.8 1003.9 1007.3 1011.2 990.0 DAY 21 26 14 20 27 26 9 31 1 2 6 12 2001 1011.4 1002.5 998.7 1000.0 992.7 990.5 987.7 994.5 997.0 1005.2 1008.4 1010.9 987.7 DAY 20 21 26 30 26 10 12 28 1 2 1 6 2002 1009.7 1008.8 1004.4 994.0 997.4 987.9 991.7 992.6 1000.8 1008.3 1008.4 1004.8 987.9 DAY 22 28 22 4 13 21 26 18 18 22 13 22 2003 1006.6 1004.5 1003.7 1002.8 999.2 989.8 988.0 990.9 998.5 1005.2 1007.1 1011.6 988.0 DAY 29 16 13 28 24 30 26 1 11 1 2 7 2004 1006.9 1007.7 1003.2 1001.1 993.7 990.5 991.4 992.2 999.0 1009.8 1019.9 1021.7 990.5 DAY 15 16 31 1 14 18 11 15 12 5 24 16 2005 1018.0 1018.8 1013.8 1009.0 1009.3 998.8 1000.4 1005.0 1010.2 1017.1 1020.0 1023.1 998.8 DAY 23 5 24 30 6 28 5 7 6 5 9 24 1956-2005 1001.6 1001.7 998.7 994.0 992.7 986.8 984.1 989.0 993.6 1002.2 1004.3 1004.8 984.1 YEAR-DAY 69-25 89-23 1-26 2- 4 61-30 92-27 58-10 59- 3 61-11 87- 9 95-26 2-22 58-10 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 91 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF QFE PRESSURE IN HPA AT 0900 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 885.1 885.0 889.0 891.0 896.5 898.6 898.7 ****** 1957 895.4 896.7 894.2 893.2 891.5 889.2 887.7 897.1 899.9 896.9 898.0 897.4 894.8 1958 897.5 897.1 895.1 894.6 894.3 888.8 885.3 888.5 891.1 896.5 900.8 897.6 893.9 1959 897.3 893.5 894.9 894.6 891.3 889.0 885.2 884.1 887.7 894.8 897.5 900.4 892.5 1960 898.1 897.0 893.5 893.4 892.6 886.8 884.4 885.7 891.8 896.7 898.2 898.9 893.1 1961 897.8 895.8 893.5 892.9 890.0 888.1 883.8 886.6 888.0 896.2 897.0 896.5 892.2 1962 896.8 894.8 893.2 892.1 890.6 888.4 886.0 888.8 892.1 896.9 900.3 897.5 893.1 1963 896.8 895.6 891.6 891.0 889.2 887.8 885.3 886.7 892.1 895.8 897.3 897.5 892.2 1964 898.1 894.5 893.7 891.0 890.8 886.3 884.2 884.4 891.1 897.0 897.6 899.8 892.4 1965 894.8 894.3 894.7 891.5 891.5 887.9 885.3 890.1 894.0 896.6 899.0 898.5 893.2 1966 899.5 895.8 894.3 893.6 893.5 888.1 886.3 888.8 892.7 897.4 902.5 898.2 894.2 1967 899.9 895.6 893.0 893.1 893.0 888.8 884.4 887.0 891.0 898.3 897.7 897.7 893.3 1968 895.7 896.8 894.8 894.4 893.3 888.1 886.8 888.1 893.2 897.7 900.2 897.5 893.9 1969 897.5 897.9 895.1 894.1 892.1 888.9 885.7 889.7 893.8 896.8 899.8 898.9 894.2 1970 897.4 896.7 895.6 895.3 891.6 887.3 885.5 885.7 891.2 895.9 898.2 897.5 893.2 1971 898.0 893.7 895.7 892.1 889.8 884.1 885.4 886.4 893.1 896.5 898.1 895.9 892.4 1972 896.7 897.3 893.8 892.9 891.0 887.6 885.6 889.6 892.9 897.3 897.0 898.0 893.3 1973 898.5 895.3 894.7 892.2 889.6 885.0 883.4 887.1 891.4 896.1 897.4 898.1 892.4 1974 895.8 896.9 895.1 891.0 890.2 886.8 884.9 886.5 891.2 897.6 898.4 897.1 892.6 1975 897.3 894.7 893.9 893.9 890.9 886.9 884.9 885.8 890.9 894.6 898.2 898.1 892.5 1976 895.1 895.0 893.7 893.3 890.9 887.9 883.1 886.5 891.0 894.5 899.3 898.4 892.4 1977 896.0 898.5 896.2 891.7 890.9 885.6 882.6 887.0 892.8 896.0 896.7 897.0 892.6 1978 897.6 896.1 893.9 891.6 890.0 885.8 885.5 886.4 891.0 896.9 897.9 897.0 892.5 1979 897.0 893.6 893.7 893.3 892.8 888.4 886.2 888.6 893.4 896.3 898.9 896.7 893.3 1980 895.5 894.7 893.6 892.6 890.8 887.0 886.3 886.8 892.0 894.6 897.5 896.7 892.4 1981 896.7 894.7 892.9 892.0 891.3 887.8 885.3 887.7 893.4 897.6 896.9 897.3 892.8 1982 895.8 893.9 893.5 892.7 893.3 888.1 886.0 885.9 893.4 895.7 896.9 898.1 892.8 1983 897.0 895.4 894.5 892.9 890.8 888.2 885.7 885.6 889.8 896.3 899.1 898.2 892.8 1984 896.3 898.4 894.1 892.3 890.0 885.6 885.4 884.6 891.8 897.7 897.2 898.4 892.7 1985 895.8 891.8 895.1 890.8 890.8 886.0 884.2 888.7 891.2 895.1 897.4 896.1 891.9 1986 896.1 894.0 893.2 891.7 891.5 884.8 886.5 888.4 893.2 896.2 895.4 895.4 892.2 1987 895.9 896.6 891.2 893.3 892.0 888.1 887.3 886.9 891.0 896.6 897.6 897.1 892.8 1988 895.6 894.7 891.6 892.3 890.0 886.8 883.0 885.6 890.2 895.5 897.0 895.6 891.5 1989 895.1 896.6 892.0 893.3 891.5 886.9 886.0 887.3 890.0 895.3 897.1 895.4 892.2 1990 895.7 893.0 895.0 890.9 889.2 886.2 884.2 886.3 889.5 895.6 897.5 896.8 891.7 1991 895.8 895.9 892.8 892.8 888.5 886.9 884.4 885.9 891.7 896.1 897.7 895.8 892.0 1992 895.6 893.0 893.6 891.5 891.9 886.7 885.0 887.7 891.9 894.9 897.2 895.9 892.1 1993 896.3 895.6 894.4 892.4 890.9 887.1 885.9 888.6 890.5 898.0 896.8 898.2 892.9 1994 896.1 893.0 894.0 893.1 891.0 884.7 882.7 885.0 893.2 896.8 895.9 897.8 891.9 1995 897.1 894.5 893.8 892.1 891.6 886.8 882.0 886.0 890.7 895.0 896.0 898.2 892.0 1996 897.1 893.6 892.2 892.6 891.4 887.0 886.7 887.5 889.3 895.1 898.6 898.3 892.4 1997 895.2 894.8 891.3 891.6 891.8 886.7 882.8 886.3 891.5 894.9 896.9 895.8 891.6 1998 894.4 894.4 893.3 892.2 891.3 888.9 884.7 888.1 890.6 894.9 897.2 898.7 892.4 1999 896.1 895.1 892.4 892.3 889.9 886.5 884.4 887.1 889.5 894.3 895.9 899.4 891.9 2000 894.7 894.5 893.2 891.5 887.8 886.1 886.3 887.4 889.6 895.0 897.7 896.7 891.7 2001 896.9 894.7 893.3 891.4 888.3 884.9 884.2 888.3 891.2 894.7 896.5 898.1 891.9 2002 896.1 895.7 894.1 891.1 889.5 886.6 886.8 886.1 891.9 895.0 897.2 895.9 892.2 2003 896.1 892.7 893.8 893.1 892.0 886.1 883.5 887.6 890.7 895.1 897.4 898.7 892.2 2004 894.1 896.1 895.1 892.2 889.4 886.7 886.7 886.5 891.9 897.1 907.8 908.5 894.3 2005 907.6 905.6 904.1 905.3 902.1 897.3 896.0 897.8 901.0 907.0 908.9 909.6 903.5 MEAN 896.7 895.4 894.0 892.8 891.2 887.2 885.3 887.5 891.8 896.3 898.2 898.0 892.9 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 92 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MAX. OF QFE PRESSURE IN HPA AT 0900 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 890.0 888.8 894.8 895.6 901.3 903.4 904.7 ****** DAY ** ** ** ** ** 6 25 31 30 26 14 24 1957 902.6 904.0 899.2 898.5 895.1 891.8 895.0 902.5 907.4 900.8 905.4 903.8 907.4 DAY 4 13 3 16 11 10 29 31 9 15 24 23 1958 902.0 901.0 898.6 899.8 901.4 893.2 890.4 892.0 895.2 900.4 904.8 903.2 904.8 DAY 2 19 28 2 13 2 16 25 28 22 3 5 1959 902.4 899.6 900.2 900.8 896.4 893.2 888.0 887.4 892.9 901.6 902.2 907.0 907.0 DAY 3 3 9 8 4 21 16 28 25 21 22 16 1960 903.2 904.1 900.2 900.4 898.9 891.7 888.5 887.7 895.3 902.1 902.8 905.3 905.3 DAY 19 15 16 8 6 3 17 31 25 30 16 5 1961 905.3 902.9 903.3 898.2 894.7 894.6 888.3 890.9 893.7 902.2 902.7 903.7 905.3 DAY 10 22 4 18 2 10 24 10 29 31 1 4 1962 905.3 902.6 900.8 898.5 895.6 894.6 890.6 892.6 899.0 903.2 905.3 904.3 905.3 DAY 19 11 3 19 17 2 30 26 25 27 23 1 1963 899.7 902.0 899.0 896.4 893.4 896.8 887.7 889.5 897.8 899.4 900.3 902.8 902.8 DAY 6 7 23 2 16 11 24 25 24 12 6 21 1964 904.8 902.2 898.8 897.6 894.4 894.6 888.2 888.6 897.6 900.2 903.4 904.6 904.8 DAY 30 28 23 24 10 3 21 31 29 16 30 2 1965 901.6 900.8 899.5 896.2 898.0 894.0 887.9 893.2 898.6 901.3 903.4 903.5 903.5 DAY 16 26 17 25 21 3 20 9 15 29 28 4 1966 904.3 902.4 902.0 899.7 896.8 894.9 890.3 893.1 895.1 902.2 906.5 905.2 906.5 DAY 1 26 3 6 13 2 11 17 21 31 23 7 1967 906.3 902.4 903.0 900.3 900.1 894.2 889.9 891.0 894.7 903.5 900.6 903.1 906.3 DAY 23 28 3 4 3 16 15 16 26 15 6 12 1968 902.7 904.3 903.5 899.3 898.0 895.6 891.0 894.6 896.9 902.7 905.5 903.7 905.5 DAY 19 6 27 1 1 1 16 28 20 16 24 21 1969 903.9 906.1 900.4 897.4 896.8 895.6 888.8 895.4 900.5 899.9 905.9 902.8 906.1 DAY 9 3 3 15 22 3 14 31 14 5 23 12 1970 904.1 902.2 900.2 899.9 897.9 891.1 890.3 889.7 897.6 901.8 904.0 905.2 905.2 DAY 3 4 26 27 23 16 22 30 22 27 15 30 1971 905.5 900.9 899.9 897.0 893.7 888.7 889.7 889.3 897.5 900.5 904.1 902.3 905.5 DAY 4 4 17 28 5 1 26 21 23 11 20 11 1972 904.8 904.7 899.5 897.8 898.3 894.6 889.0 893.4 897.1 903.0 901.9 906.1 906.1 DAY 9 24 29 8 25 1 21 27 22 26 24 27 1973 907.7 905.7 904.1 896.4 896.8 892.0 887.5 889.4 898.3 899.6 904.0 905.9 907.7 DAY 25 7 10 14 8 3 22 21 29 22 12 27 1974 903.6 903.1 901.4 895.3 895.2 889.8 888.6 889.1 894.8 903.7 904.9 903.8 904.9 DAY 26 4 7 3 2 1 29 14 9 14 18 31 1975 907.2 901.6 900.0 901.2 895.7 890.3 888.2 891.3 897.7 900.6 903.1 903.9 907.2 DAY 15 18 5 4 20 6 27 31 19 20 21 5 1976 901.0 902.9 901.0 898.5 894.8 892.2 885.8 889.3 894.4 899.8 904.1 904.0 904.1 DAY 1 21 27 4 13 21 1 28 21 31 12 13 1977 903.0 904.6 902.0 896.1 894.5 890.6 885.4 890.8 896.6 901.0 902.2 903.0 904.6 DAY 11 15 10 14 14 6 20 23 30 24 27 18 1978 904.1 902.2 898.1 895.9 895.8 892.4 891.1 888.9 895.2 900.3 906.2 903.9 906.2 DAY 13 6 9 6 3 5 8 21 29 11 26 24 1979 903.6 898.9 901.6 899.1 898.1 895.5 889.6 895.3 895.8 901.7 904.3 904.4 904.4 DAY 18 2 5 18 20 5 21 31 30 21 13 23 1980 900.7 901.3 898.3 899.0 895.0 893.7 890.7 892.1 896.5 899.8 902.7 901.8 902.7 DAY 9 1 5 21 1 2 18 31 24 23 3 4 1981 902.9 901.5 902.1 899.4 898.2 893.9 890.5 890.7 897.4 902.3 901.3 902.4 902.9 DAY 9 4 5 20 2 11 29 3 27 25 26 12 1982 903.8 903.7 900.0 901.1 898.6 893.3 888.9 891.0 897.0 899.8 906.4 903.9 906.4 DAY 21 20 31 4 12 7 10 31 21 25 18 9 1983 905.6 902.1 900.6 897.6 894.6 895.7 890.9 889.2 895.0 902.5 905.2 905.0 905.6 DAY 11 23 26 19 8 1 11 8 30 28 5 4 1984 905.1 903.7 900.8 896.1 892.6 890.6 888.0 886.9 895.8 903.5 903.2 904.0 905.1 DAY 5 20 4 14 3 4 22 24 26 9 27 20 1985 901.1 899.1 903.9 895.3 897.0 889.0 888.0 893.7 895.0 898.8 901.4 902.0 903.9 DAY 25 11 6 18 12 2 2 30 22 26 18 31 1986 903.4 900.0 901.0 896.7 897.5 891.1 889.0 892.0 898.0 902.8 901.5 901.0 903.4 DAY 24 22 28 15 19 2 6 24 22 20 16 23 1987 901.3 903.0 897.2 896.8 896.9 893.1 890.8 892.2 897.0 901.3 906.3 907.0 907.0 DAY 12 12 22 22 1 1 29 7 26 29 30 1 1988 906.0 904.2 896.7 899.0 893.5 893.6 886.7 889.5 894.9 901.0 901.2 902.6 906.0 DAY 3 7 17 3 17 1 29 21 30 17 6 29 1989 901.2 902.9 897.4 898.9 895.6 889.5 888.1 891.1 898.5 901.7 901.2 899.2 902.9 DAY 27 26 31 9 1 2 9 31 23 27 8 19 1990 902.1 901.0 902.7 895.6 894.6 890.9 888.7 888.9 893.6 902.9 902.8 904.9 904.9 DAY 20 8 10 12 16 4 15 16 26 19 24 28 1991 903.2 907.1 898.6 898.0 893.8 890.9 888.0 888.9 897.6 898.4 902.1 900.8 907.1 DAY 13 15 12 16 8 22 2 31 28 21 13 7 1992 906.2 899.3 903.1 897.2 896.5 892.1 888.5 892.5 895.5 899.0 902.5 902.3 906.2 DAY 10 16 13 12 29 11 6 31 2 30 4 29 1993 903.6 901.2 899.3 898.5 896.0 893.0 890.0 891.0 893.8 902.5 901.7 903.3 903.6 DAY 6 8 17 1 10 23 27 26 23 16 30 26 1994 903.7 899.1 898.4 902.7 894.3 889.6 885.9 888.6 900.2 902.4 900.6 904.3 904.3 DAY 28 4 18 5 8 9 4 16 23 10 2 8 1995 901.9 897.9 900.1 896.9 897.0 893.3 886.1 889.0 894.3 901.0 901.0 902.1 902.1 DAY 7 14 3 10 26 2 28 25 13 26 28 11 1996 902.3 898.5 896.5 899.5 895.7 889.8 891.8 891.9 895.5 900.8 907.2 903.9 907.2 DAY 27 14 1 7 3 28 3 30 25 20 18 8 1997 902.2 900.3 901.4 897.0 898.0 891.1 885.4 889.3 895.7 899.0 902.3 903.4 903.4 DAY 19 8 11 14 7 4 9 31 18 9 8 29 1998 901.1 901.8 897.7 900.3 897.3 893.7 889.1 891.0 895.3 899.2 901.2 904.5 904.5 DAY 4 23 27 12 7 5 22 7 13 26 21 10 1999 902.7 900.3 900.0 896.6 894.4 892.9 887.2 891.9 896.4 896.8 902.1 904.0 904.0 DAY 2 12 19 12 12 1 31 19 30 11 14 6 2000 902.6 901.1 897.7 896.2 892.9 890.8 890.9 891.1 893.8 899.7 904.7 903.7 904.7 DAY 31 11 4 3 5 3 20 19 29 5 17 17 2001 902.2 901.6 900.7 898.0 892.4 891.6 889.2 892.6 897.6 899.2 901.8 903.9 903.9 DAY 29 10 1 4 12 2 29 14 22 10 2 18 2002 903.5 902.6 905.0 899.1 893.6 892.2 889.9 889.7 895.3 897.8 904.2 902.7 905.0 DAY 26 5 11 1 10 25 3 1 21 10 18 4 2003 901.6 899.4 904.0 897.8 897.7 891.2 888.0 891.7 896.8 898.1 906.0 906.1 906.1 DAY 12 7 3 7 2 1 3 4 27 15 24 12 2004 901.1 902.5 900.9 897.2 892.8 893.8 891.0 890.3 897.0 900.7 913.4 918.3 918.3 DAY 1 10 23 11 27 1 18 31 27 27 29 4 2005 913.6 913.8 908.7 912.8 906.1 903.2 899.1 901.2 904.4 910.8 913.2 915.1 915.1 DAY 8 15 27 9 8 6 19 27 25 12 27 28 1956-2005 913.6 913.8 908.7 912.8 906.1 903.2 899.1 902.5 907.4 910.8 913.4 918.3 918.3 YEAR-DAY 5- 8 5-15 5-27 5- 9 5- 8 5- 6 5-19 57-31 57- 9 5-12 4-29 4- 4 4- 4 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 93 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MIN. OF QFE PRESSURE IN HPA AT 0900 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 880.7 881.4 884.4 887.3 891.0 891.3 892.5 ****** DAY ** ** ** ** ** 2 15 4 10 28 8 11 1957 886.2 885.4 887.3 888.9 887.2 883.2 879.4 890.6 891.2 891.8 890.0 889.2 879.4 DAY 12 5 7 4 21 7 13 8 28 10 18 7 1958 894.8 893.8 893.0 892.0 892.0 884.2 876.4 885.0 887.0 892.6 892.2 893.2 876.4 DAY 31 4 21 30 1 21 10 2 5 10 7 1 1959 885.8 884.8 886.8 888.2 885.2 880.0 881.4 880.0 884.4 888.3 892.2 892.6 880.0 DAY 23 17 1 19 31 28 3 3 6 30 25 1 1960 893.1 891.6 885.6 889.1 884.5 881.4 880.2 882.5 884.2 889.8 890.2 892.7 880.2 DAY 27 29 9 11 31 21 1 12 2 11 20 30 1961 891.1 888.9 884.4 885.4 881.3 881.9 880.6 882.9 883.9 890.1 891.4 888.8 880.6 DAY 27 17 13 9 30 6 14 8 11 2 24 22 1962 890.3 890.5 886.1 886.0 885.6 882.6 882.2 885.0 886.9 890.8 896.3 891.6 882.2 DAY 27 20 29 5 25 10 14 3 18 10 3 25 1963 892.6 890.7 884.4 884.5 883.9 881.4 883.2 883.0 886.4 892.5 893.0 888.2 881.4 DAY 31 13 13 15 11 17 5 3 7 2 25 11 1964 882.6 889.7 888.4 883.2 885.8 878.8 880.2 880.3 886.7 889.7 887.2 892.6 878.8 DAY 19 13 4 9 12 29 11 2 2 6 27 24 1965 887.0 887.8 888.0 885.8 887.0 882.4 881.8 887.1 891.0 889.2 893.8 890.7 881.8 DAY 11 9 23 22 30 24 12 1 22 25 9 20 1966 895.5 890.2 884.1 887.8 888.9 880.9 883.4 884.3 888.8 891.1 899.3 890.1 880.9 DAY 11 15 20 23 29 27 18 5 8 2 16 12 1967 892.7 888.9 882.9 885.5 888.1 883.8 879.2 883.6 887.0 890.0 894.7 889.5 879.2 DAY 21 6 24 26 18 19 10 1 7 3 26 23 1968 890.1 882.3 887.3 887.2 889.1 881.9 881.8 883.8 888.1 892.1 895.1 889.6 881.8 DAY 22 3 19 24 17 23 12 14 7 5 18 9 1969 886.7 891.1 890.6 888.0 886.3 884.0 883.3 884.1 888.4 891.3 892.6 892.1 883.3 DAY 25 14 21 17 2 23 18 8 11 29 9 14 1970 889.4 889.7 891.7 890.7 886.4 882.8 881.7 881.5 885.8 889.5 893.8 889.8 881.5 DAY 28 23 6 24 30 9 16 7 12 12 30 14 1971 889.5 887.2 888.1 888.2 885.1 879.3 882.0 883.2 887.2 891.2 893.3 887.1 879.3 DAY 14 8 21 26 11 5 23 9 2 1 11 20 1972 890.3 888.7 885.6 887.5 885.9 880.6 880.3 881.0 887.5 893.9 892.7 891.3 880.3 DAY 23 9 18 25 4 24 5 1 11 17 8 17 1973 888.6 886.7 888.2 887.9 884.2 877.7 879.6 883.7 887.3 892.7 891.7 889.7 877.7 DAY 16 22 7 24 30 16 16 13 2 18 3 7 1974 887.5 890.3 889.1 886.0 885.0 883.2 879.3 882.2 885.4 894.8 892.0 889.9 879.3 DAY 31 12 26 29 27 26 20 11 3 18 29 13 1975 892.0 886.9 886.7 887.0 888.2 883.5 882.8 879.9 885.6 888.6 886.8 892.8 879.9 DAY 5 6 3 15 25 30 17 14 10 3 29 3 1976 890.7 887.5 886.6 889.2 887.3 882.8 879.8 883.7 887.0 890.3 885.2 890.5 879.8 DAY 12 5 14 22 7 6 20 1 2 19 29 31 1977 889.2 891.2 889.9 885.4 887.3 879.7 878.4 882.1 890.1 891.0 886.0 892.1 878.4 DAY 17 7 30 8 25 23 2 18 15 26 17 9 1978 888.5 889.0 887.1 887.1 881.6 877.7 879.8 884.0 883.2 890.7 891.9 888.5 877.7 DAY 26 12 15 19 30 22 2 8 2 1 11 15 1979 890.2 889.8 885.2 888.6 887.5 882.3 882.5 884.5 888.9 892.4 890.8 889.9 882.3 DAY 11 12 31 17 6 22 6 1 5 5 30 16 1980 885.5 885.4 883.5 887.9 887.3 882.1 883.7 883.0 888.8 891.1 891.7 890.3 882.1 DAY 24 25 19 17 29 17 3 11 20 26 25 10 1981 887.0 885.7 886.7 885.5 885.8 883.9 880.9 884.2 888.8 891.6 892.3 891.2 880.9 DAY 3 12 13 29 16 16 2 14 22 17 23 26 1982 886.2 886.2 887.1 885.1 889.1 883.2 878.8 878.7 888.7 890.8 891.5 891.1 878.7 DAY 17 14 7 18 24 25 31 1 14 1 7 7 1983 887.9 887.5 888.6 888.8 887.3 882.2 880.6 882.2 884.7 890.4 894.8 888.9 880.6 DAY 24 28 23 25 12 29 28 5 9 5 12 12 1984 887.1 889.2 886.2 886.5 885.4 881.7 882.1 882.9 884.9 891.0 892.5 891.0 881.7 DAY 17 8 14 26 30 21 16 8 1 18 14 7 1985 891.2 884.1 886.5 886.0 887.0 883.0 882.0 884.4 886.4 890.2 893.4 888.4 882.0 DAY 2 16 25 8 21 18 19 8 8 11 7 5 1986 886.0 886.7 886.4 886.5 887.0 879.8 883.1 885.5 889.6 892.6 888.5 889.0 879.8 DAY 20 16 8 30 10 20 19 4 5 24 7 20 1987 887.0 889.9 885.3 888.5 887.7 883.5 881.7 883.3 887.1 889.2 892.8 888.1 881.7 DAY 3 10 12 5 28 13 3 29 2 9 11 31 1988 886.8 889.6 886.2 888.0 887.1 880.6 879.2 882.3 885.2 890.4 891.6 887.1 879.2 DAY 19 25 5 25 24 25 8 7 1 7 20 26 1989 887.4 886.7 886.2 888.5 886.5 882.5 883.9 882.9 884.5 890.3 894.0 891.1 882.5 DAY 17 23 28 23 30 7 18 2 12 2 20 5 1990 888.6 884.5 887.9 885.3 883.3 881.0 878.7 883.3 885.8 890.0 890.7 888.4 878.7 DAY 2 16 25 16 13 27 5 8 4 2 1 25 1991 886.3 890.0 885.2 886.6 883.6 881.6 879.4 882.3 886.8 892.8 891.6 890.6 879.4 DAY 26 4 7 10 23 12 14 12 3 5 6 22 1992 889.3 886.8 886.4 886.4 889.2 878.3 882.1 883.0 888.0 889.9 889.1 890.5 878.3 DAY 23 11 31 19 9 27 19 1 18 7 26 4 1993 886.2 890.0 886.3 886.3 884.6 883.6 882.1 884.5 887.7 890.9 889.8 893.8 882.1 DAY 14 23 22 13 29 13 14 12 3 3 14 28 1994 889.5 886.3 889.5 886.9 886.8 879.3 879.7 880.4 884.8 891.4 890.1 887.1 879.3 DAY 16 12 12 3 11 29 20 2 1 3 26 4 1995 890.8 888.0 884.9 887.4 886.1 882.2 878.2 882.5 888.1 890.4 887.6 892.0 878.2 DAY 1 24 27 16 14 17 17 8 5 13 26 25 1996 891.7 885.3 886.7 888.2 886.4 884.6 883.9 883.9 883.1 889.0 893.1 890.6 883.1 DAY 13 5 14 10 29 6 25 14 20 6 29 15 1997 885.2 890.8 884.9 887.1 886.4 882.3 878.7 883.3 886.8 891.4 891.7 888.6 878.7 DAY 17 27 30 10 5 19 16 14 3 24 13 10 1998 884.6 883.3 886.1 887.3 884.3 883.3 878.2 884.8 886.6 889.7 893.4 891.9 878.2 DAY 13 13 15 6 30 30 8 23 6 4 1 21 1999 887.5 888.1 886.6 888.2 883.7 880.0 881.9 883.0 884.6 891.3 890.6 892.1 880.0 DAY 18 6 2 9 21 25 12 6 16 25 1 16 2000 887.9 887.1 888.5 888.2 883.5 880.3 881.3 883.5 881.9 890.4 889.2 890.1 880.3 DAY 17 7 2 22 27 25 9 30 2 2 6 15 2001 891.8 887.0 882.5 887.0 882.9 881.0 879.5 884.6 886.0 890.3 890.9 891.0 879.5 DAY 20 21 26 10 25 18 12 28 1 2 17 5 2002 889.0 891.3 888.9 879.2 884.7 879.2 882.7 881.4 888.3 892.7 891.1 886.6 879.2 DAY 22 25 23 4 13 21 26 9 10 12 13 22 2003 889.6 886.0 887.9 887.3 887.4 879.6 879.5 882.3 885.8 891.5 890.3 893.4 879.5 DAY 29 19 17 17 28 30 25 1 12 1 14 6 2004 887.2 891.2 887.1 886.7 882.6 880.5 881.6 882.7 886.9 893.1 901.6 902.1 880.5 DAY 27 15 31 1 14 18 11 15 12 3 24 15 2005 897.5 898.0 896.4 895.2 894.8 889.2 891.5 894.3 897.2 902.5 902.4 902.3 889.2 DAY 23 5 24 30 6 27 4 7 16 4 9 24 1956-2005 882.6 882.3 882.5 879.2 881.3 877.7 876.4 878.7 881.9 888.3 885.2 886.6 876.4 YEAR-DAY 64-19 68- 3 1-26 2- 4 61-30 73-16 58-10 82- 1 0- 2 59-30 76-29 2-22 58-10 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 94 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF QNH PRESSURE IN HPA AT 0900 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1005.9 1005.8 1010.3 1012.4 1018.6 1020.9 1021.0 ****** 1957 1017.4 1018.7 1016.0 1014.9 1012.9 1010.5 1008.8 1019.3 1022.3 1019.0 1020.2 1019.5 1016.6 1958 1019.6 1019.2 1017.0 1016.4 1016.1 1010.0 1006.1 1009.7 1012.6 1018.6 1023.3 1019.7 1015.7 1959 1019.4 1015.2 1016.8 1016.4 1012.7 1010.2 1006.0 1004.7 1008.8 1016.7 1019.7 1022.8 1014.1 1960 1020.3 1019.1 1015.2 1015.1 1014.2 1007.8 1005.1 1006.6 1013.3 1018.7 1020.5 1021.2 1014.8 1961 1020.0 1017.8 1015.2 1014.6 1011.4 1009.2 1004.4 1007.5 1009.1 1018.2 1019.1 1018.5 1013.7 1962 1018.9 1016.7 1014.9 1013.7 1012.0 1009.5 1006.9 1010.0 1013.7 1019.0 1022.7 1019.7 1014.8 1963 1018.9 1017.6 1013.1 1012.4 1010.4 1008.9 1006.1 1007.7 1013.7 1017.8 1019.4 1019.6 1013.8 1964 1020.3 1016.3 1015.4 1012.4 1012.2 1007.3 1004.9 1005.1 1012.6 1019.1 1019.8 1022.2 1014.0 1965 1016.6 1016.1 1016.6 1013.0 1013.0 1009.0 1006.1 1011.4 1015.8 1018.7 1021.3 1020.7 1014.9 1966 1021.9 1017.7 1016.1 1015.3 1015.2 1009.2 1007.3 1010.0 1014.3 1019.5 1025.2 1020.4 1016.0 1967 1022.3 1017.5 1014.6 1014.7 1014.6 1010.0 1005.1 1008.0 1012.5 1020.6 1019.9 1019.9 1015.0 1968 1017.7 1018.9 1016.6 1016.2 1015.0 1009.3 1007.8 1009.2 1014.9 1019.9 1022.7 1019.6 1015.6 1969 1019.7 1020.1 1017.0 1015.9 1013.6 1010.1 1006.5 1011.0 1015.6 1018.9 1022.2 1021.2 1016.0 1970 1019.5 1018.8 1017.5 1017.2 1013.1 1008.4 1006.4 1006.6 1012.6 1017.9 1020.4 1019.6 1014.8 1971 1020.2 1015.5 1017.7 1013.7 1011.1 1004.8 1006.3 1007.4 1014.8 1018.6 1020.4 1017.9 1014.0 1972 1018.7 1019.4 1015.5 1014.6 1012.4 1008.6 1006.5 1010.9 1014.5 1019.4 1019.1 1020.2 1015.0 1973 1020.8 1017.2 1016.6 1013.8 1010.9 1005.8 1004.0 1008.1 1012.9 1018.1 1019.5 1020.3 1014.0 1974 1017.8 1019.0 1017.0 1012.5 1011.6 1007.8 1005.6 1007.4 1012.6 1019.7 1020.6 1019.2 1014.2 1975 1019.5 1016.6 1015.6 1015.6 1012.3 1007.9 1005.6 1006.6 1012.3 1016.5 1020.4 1020.3 1014.1 1976 1016.9 1016.9 1015.4 1014.9 1012.4 1009.0 1003.7 1007.5 1012.4 1016.3 1021.6 1020.6 1014.0 1977 1018.0 1020.7 1018.2 1013.2 1012.4 1006.5 1003.2 1008.0 1014.4 1018.0 1018.8 1019.1 1014.2 1978 1019.8 1018.1 1015.6 1013.1 1011.3 1006.6 1006.4 1007.3 1012.4 1019.0 1020.1 1019.0 1014.1 1979 1019.1 1015.4 1015.4 1015.0 1014.5 1009.5 1007.1 1009.8 1015.1 1018.3 1021.2 1018.8 1014.9 1980 1017.4 1016.6 1015.4 1014.2 1012.3 1008.0 1007.3 1007.7 1013.5 1016.4 1019.6 1018.8 1013.9 1981 1018.8 1016.5 1014.5 1013.6 1012.8 1008.8 1006.2 1008.8 1015.1 1019.8 1018.9 1019.4 1014.4 1982 1017.8 1015.7 1015.2 1014.4 1015.0 1009.3 1006.9 1006.8 1015.1 1017.6 1019.0 1020.3 1014.4 1983 1019.1 1017.3 1016.3 1014.5 1012.2 1009.4 1006.6 1006.5 1011.1 1018.4 1021.5 1020.5 1014.4 1984 1018.3 1020.6 1015.9 1013.8 1011.3 1006.5 1006.2 1005.4 1013.3 1019.9 1019.3 1020.7 1014.3 1985 1017.7 1013.4 1017.0 1012.2 1012.2 1006.8 1004.9 1009.9 1012.7 1017.0 1019.6 1018.1 1013.4 1986 1018.1 1015.8 1014.9 1013.2 1013.0 1005.6 1007.4 1009.6 1014.9 1018.2 1017.3 1017.4 1013.8 1987 1017.9 1018.6 1012.6 1015.0 1013.5 1009.3 1008.3 1007.9 1012.5 1018.7 1019.8 1019.2 1014.4 1988 1017.5 1016.5 1013.1 1013.9 1011.4 1007.8 1003.6 1006.4 1011.5 1017.4 1019.0 1017.5 1013.0 1989 1017.0 1018.6 1013.5 1015.0 1013.0 1007.9 1006.9 1008.3 1011.4 1017.2 1019.2 1017.3 1013.8 1990 1017.7 1014.6 1016.9 1012.3 1010.4 1007.1 1004.9 1007.2 1010.8 1017.5 1019.7 1018.9 1013.2 1991 1017.8 1017.9 1014.5 1014.4 1009.6 1007.9 1005.2 1006.8 1013.2 1018.1 1019.8 1017.7 1013.6 1992 1017.5 1014.7 1015.4 1013.0 1013.5 1007.7 1005.8 1008.8 1013.4 1016.8 1019.3 1017.8 1013.6 1993 1018.3 1017.6 1016.2 1013.9 1012.4 1008.1 1006.8 1009.8 1011.9 1020.2 1018.8 1020.4 1014.5 1994 1018.1 1014.6 1015.7 1014.7 1012.4 1005.4 1003.2 1005.8 1014.9 1018.9 1017.8 1019.9 1013.5 1995 1019.2 1016.3 1015.6 1013.7 1013.1 1007.7 1002.5 1006.9 1012.1 1016.9 1018.0 1020.4 1013.5 1996 1019.2 1015.3 1013.7 1014.2 1012.9 1008.0 1007.7 1008.5 1010.5 1016.9 1020.9 1020.5 1014.0 1997 1017.1 1016.6 1012.8 1013.2 1013.3 1007.7 1003.4 1007.2 1013.0 1016.8 1018.9 1017.7 1013.1 1998 1016.2 1016.2 1014.9 1013.8 1012.8 1010.1 1005.5 1009.2 1012.0 1016.7 1019.3 1021.0 1014.0 1999 1018.1 1016.9 1014.0 1013.9 1011.2 1007.5 1005.1 1008.1 1010.8 1016.1 1017.8 1021.8 1013.4 2000 1016.6 1016.3 1014.9 1013.0 1008.9 1007.0 1007.2 1008.4 1010.9 1016.9 1019.9 1018.8 1013.2 2001 1019.0 1016.6 1015.0 1012.9 1009.4 1005.7 1004.9 1009.4 1012.7 1016.5 1018.6 1020.3 1013.4 2002 1018.0 1017.7 1015.9 1012.5 1010.7 1007.6 1007.7 1007.0 1013.4 1016.8 1019.3 1017.9 1013.7 2003 1018.1 1014.4 1015.5 1014.7 1013.6 1006.9 1004.1 1008.7 1012.1 1017.0 1019.6 1021.0 1013.8 2004 1015.9 1018.1 1017.0 1013.8 1010.7 1007.7 1007.6 1007.4 1013.5 1019.2 1031.1 1031.8 1016.2 2005 1030.9 1028.6 1027.0 1028.4 1024.8 1019.4 1018.0 1020.0 1023.5 1030.2 1032.3 1033.1 1026.3 MEAN 1018.8 1017.4 1015.8 1014.4 1012.7 1008.3 1006.1 1008.5 1013.3 1018.3 1020.5 1020.2 1014.5 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 95 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MAX. OF QNH PRESSURE IN HPA AT 0900 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1011.3 1010.0 1016.7 1017.5 1023.9 1026.2 1027.6 ****** DAY ** ** ** ** ** 6 25 31 30 26 14 24 1957 1025.3 1026.9 1021.5 1020.8 1017.0 1013.3 1016.9 1025.2 1030.6 1023.3 1028.4 1026.6 1030.6 DAY 4 13 3 16 11 10 29 31 9 15 24 23 1958 1024.6 1023.5 1020.9 1022.2 1024.0 1014.9 1011.8 1013.5 1017.1 1022.9 1027.7 1026.0 1027.7 DAY 2 19 28 2 13 2 16 25 28 22 3 5 1959 1025.1 1022.0 1022.6 1023.3 1018.4 1014.9 1009.1 1008.4 1014.5 1024.2 1024.9 1030.2 1030.2 DAY 3 3 9 8 4 21 16 28 25 21 22 16 1960 1026.0 1027.0 1022.6 1022.9 1021.2 1013.2 1009.7 1008.8 1017.2 1024.8 1025.5 1028.3 1028.3 DAY 19 15 16 8 6 3 17 31 25 30 16 5 1961 1028.3 1025.6 1026.1 1020.4 1016.5 1016.4 1009.4 1012.3 1015.4 1024.9 1025.4 1026.5 1028.3 DAY 10 22 4 18 2 10 24 10 29 31 1 4 1962 1028.3 1025.3 1023.3 1020.8 1017.5 1016.4 1012.0 1014.2 1021.3 1026.0 1028.3 1027.2 1028.3 DAY 19 11 3 19 17 2 30 26 25 27 23 1 1963 1022.1 1024.6 1021.3 1018.4 1015.1 1018.9 1008.8 1010.8 1020.0 1021.8 1022.8 1025.5 1025.5 DAY 6 7 23 2 16 11 24 25 24 12 6 21 1964 1027.7 1024.9 1021.1 1019.8 1016.2 1016.4 1009.3 1009.8 1019.8 1022.6 1026.2 1027.5 1027.7 DAY 30 28 23 24 10 3 21 31 29 16 30 2 1965 1024.2 1023.3 1021.9 1018.2 1020.2 1015.8 1009.0 1014.9 1020.9 1023.9 1026.2 1026.3 1026.3 DAY 16 26 17 25 21 3 20 9 15 29 28 4 1966 1027.2 1025.1 1024.6 1022.1 1018.9 1016.8 1011.7 1014.8 1017.0 1024.9 1029.6 1028.2 1029.6 DAY 1 26 3 6 13 2 11 17 21 31 23 7 1967 1029.4 1025.1 1025.7 1022.8 1022.5 1016.0 1011.2 1012.4 1016.5 1026.3 1023.1 1025.9 1029.4 DAY 23 28 3 4 3 16 15 16 26 15 6 12 1968 1025.4 1027.2 1026.3 1021.6 1020.2 1017.5 1012.4 1016.4 1019.0 1025.4 1028.5 1026.5 1028.5 DAY 19 6 27 1 1 1 16 28 20 16 24 21 1969 1026.7 1029.2 1022.9 1019.5 1018.9 1017.5 1010.0 1017.3 1023.0 1022.3 1029.0 1025.5 1029.2 DAY 9 3 3 15 22 3 14 31 14 5 23 12 1970 1027.0 1024.9 1022.6 1022.3 1020.1 1012.5 1011.7 1011.0 1019.8 1024.4 1026.9 1028.2 1028.2 DAY 3 4 26 27 23 16 22 30 22 27 15 30 1971 1028.5 1023.4 1022.3 1019.1 1015.4 1009.9 1011.0 1010.6 1019.6 1023.0 1027.0 1025.0 1028.5 DAY 4 4 17 28 5 1 26 21 23 11 20 11 1972 1027.7 1027.6 1021.9 1020.0 1020.5 1016.4 1010.2 1015.1 1019.2 1025.7 1024.5 1029.2 1029.2 DAY 9 24 29 8 25 1 21 27 22 26 24 27 1973 1031.0 1028.7 1027.0 1018.4 1018.9 1013.5 1008.6 1010.7 1020.5 1022.0 1026.9 1029.0 1031.0 DAY 25 7 10 14 8 3 22 21 29 22 12 27 1974 1026.4 1025.9 1024.0 1017.2 1017.1 1011.1 1009.8 1010.3 1016.7 1026.5 1027.9 1026.6 1027.9 DAY 26 4 7 3 2 1 29 14 9 14 18 31 1975 1030.4 1024.2 1022.4 1023.7 1017.7 1011.7 1009.3 1012.8 1019.9 1023.1 1025.9 1026.7 1030.4 DAY 15 18 5 4 20 6 27 31 19 20 21 5 1976 1023.5 1025.6 1023.5 1020.8 1016.7 1013.8 1006.7 1010.6 1016.2 1022.2 1027.0 1026.9 1027.0 DAY 1 21 27 4 13 21 1 28 21 31 12 13 1977 1025.7 1027.5 1024.6 1018.1 1016.3 1012.0 1006.2 1012.2 1018.7 1023.5 1024.9 1025.7 1027.5 DAY 11 15 10 14 14 6 20 23 30 24 27 18 1978 1027.0 1024.9 1020.3 1017.9 1017.8 1014.0 1012.5 1010.1 1017.1 1022.8 1029.3 1026.7 1029.3 DAY 13 6 9 6 3 5 8 21 29 11 26 24 1979 1026.4 1021.2 1024.2 1021.4 1020.3 1017.4 1010.9 1017.2 1017.8 1024.3 1027.2 1027.3 1027.3 DAY 18 2 5 18 20 5 21 31 30 21 13 23 1980 1023.2 1023.9 1020.5 1021.3 1016.9 1015.4 1012.1 1013.7 1018.5 1022.2 1025.4 1024.4 1025.4 DAY 9 1 5 21 1 2 18 31 24 23 3 4 1981 1025.6 1024.1 1024.8 1021.8 1020.4 1015.7 1011.9 1012.1 1019.5 1025.0 1023.9 1025.1 1025.6 DAY 9 4 5 20 2 11 29 3 27 25 26 12 1982 1026.6 1026.5 1022.4 1023.6 1020.9 1015.0 1010.1 1012.4 1019.1 1022.2 1029.5 1026.7 1029.5 DAY 21 20 31 4 12 7 10 31 21 25 18 9 1983 1028.6 1024.8 1023.1 1019.8 1016.4 1017.7 1012.3 1010.4 1016.9 1025.2 1028.2 1028.0 1028.6 DAY 11 23 26 19 8 1 11 8 30 28 5 4 1984 1028.1 1026.5 1023.3 1018.1 1014.2 1012.0 1009.1 1007.9 1017.8 1026.3 1026.0 1026.9 1028.1 DAY 5 20 4 14 3 4 22 24 26 9 27 20 1985 1023.6 1021.4 1026.7 1017.2 1019.1 1010.2 1009.1 1015.4 1016.9 1021.1 1024.0 1024.6 1026.7 DAY 25 11 6 18 12 2 2 30 22 26 18 31 1986 1026.2 1022.4 1023.5 1018.8 1019.6 1012.5 1010.2 1013.5 1020.2 1025.5 1024.1 1023.5 1026.2 DAY 24 22 28 15 19 2 6 24 22 20 16 23 1987 1023.9 1025.7 1019.3 1018.9 1019.0 1014.8 1012.2 1013.8 1019.1 1023.9 1029.4 1030.2 1030.2 DAY 12 12 22 22 1 1 29 7 26 29 30 1 1988 1029.1 1027.1 1018.8 1021.3 1015.2 1015.3 1007.7 1010.8 1016.8 1023.5 1023.7 1025.3 1029.1 DAY 3 7 17 3 17 1 29 21 30 17 6 29 1989 1023.7 1025.6 1019.5 1021.2 1017.5 1010.8 1009.2 1012.5 1020.8 1024.3 1023.7 1021.5 1025.6 DAY 27 26 31 9 1 2 9 31 23 27 8 19 1990 1024.8 1023.5 1025.4 1017.5 1016.4 1012.3 1009.9 1010.1 1015.3 1025.6 1025.5 1027.9 1027.9 DAY 20 8 10 12 16 4 15 16 26 19 24 28 1991 1026.0 1030.3 1020.9 1020.2 1015.5 1012.3 1009.1 1010.1 1019.8 1020.6 1024.8 1023.3 1030.3 DAY 13 15 12 16 8 22 2 31 28 21 13 7 1992 1029.3 1021.6 1025.9 1019.3 1018.5 1013.7 1009.7 1014.1 1017.4 1021.3 1025.2 1025.0 1029.3 DAY 10 16 13 12 29 11 6 31 2 30 4 29 1993 1026.4 1023.7 1021.6 1020.8 1018.0 1014.7 1011.3 1012.4 1015.5 1025.2 1024.3 1026.1 1026.4 DAY 6 8 17 1 10 23 27 26 23 16 30 26 1994 1026.5 1021.4 1020.6 1025.4 1016.1 1010.9 1006.8 1009.8 1022.6 1025.1 1023.1 1027.2 1027.2 DAY 28 4 18 5 8 9 4 16 23 10 2 8 1995 1024.5 1020.1 1022.5 1019.0 1019.1 1015.0 1007.0 1010.2 1016.1 1023.5 1023.5 1024.8 1024.8 DAY 7 14 3 10 26 2 28 25 13 26 28 11 1996 1025.0 1020.8 1018.5 1021.9 1017.7 1011.1 1013.3 1013.4 1017.4 1023.3 1030.4 1026.7 1030.4 DAY 27 14 1 7 3 28 3 30 25 20 18 8 1997 1024.9 1022.8 1024.0 1019.1 1020.2 1012.5 1006.2 1010.6 1017.7 1021.3 1025.0 1026.2 1026.2 DAY 19 8 11 14 7 4 9 31 18 9 8 29 1998 1023.6 1024.4 1019.9 1022.8 1019.4 1015.4 1010.3 1012.4 1017.2 1021.5 1023.7 1027.4 1027.4 DAY 4 23 27 12 7 5 22 7 13 26 21 10 1999 1025.4 1022.8 1022.4 1018.7 1016.2 1014.5 1008.2 1013.4 1018.4 1018.9 1024.8 1026.9 1026.9 DAY 2 12 19 12 12 1 31 19 30 11 14 6 2000 1025.3 1023.6 1019.9 1018.2 1014.5 1012.2 1012.3 1012.5 1015.5 1022.1 1027.6 1026.5 1027.6 DAY 31 11 4 3 5 3 20 19 29 5 17 17 2001 1024.9 1024.2 1023.2 1020.2 1014.0 1013.1 1010.4 1014.2 1019.8 1021.5 1024.4 1026.7 1026.7 DAY 29 10 1 4 12 2 29 14 22 10 2 18 2002 1026.3 1025.3 1028.0 1021.4 1015.3 1013.8 1011.2 1011.0 1017.2 1020.0 1027.1 1025.4 1028.0 DAY 26 5 11 1 10 25 3 1 21 10 18 4 2003 1024.2 1021.8 1026.9 1020.0 1019.9 1012.7 1009.1 1013.2 1018.9 1020.3 1029.1 1029.2 1029.2 DAY 12 7 3 7 2 1 3 4 27 15 24 12 2004 1023.6 1025.2 1023.4 1019.3 1014.4 1015.5 1012.4 1011.7 1019.1 1023.2 1037.3 1042.7 1042.7 DAY 1 10 23 11 27 1 18 31 27 27 29 4 2005 1037.5 1037.7 1032.1 1036.6 1029.2 1026.0 1021.4 1023.7 1027.3 1034.4 1037.1 1039.2 1039.2 DAY 8 15 27 9 8 6 19 27 25 12 27 28 1956-2005 1037.5 1037.7 1032.1 1036.6 1029.2 1026.0 1021.4 1025.2 1030.6 1034.4 1037.3 1042.7 1042.7 YEAR-DAY 5- 8 5-15 5-27 5- 9 5- 8 5- 6 5-19 57-31 57- 9 5-12 4-29 4- 4 4- 4 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 96 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MIN. OF QNH PRESSURE IN HPA AT 0900 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1001.0 1001.8 1005.1 1008.3 1012.4 1012.8 1014.1 ****** DAY ** ** ** ** ** 2 15 4 10 28 8 11 1957 1007.1 1006.2 1008.3 1010.1 1008.2 1003.8 999.6 1012.0 1012.7 1013.3 1011.3 1010.4 999.6 DAY 12 5 7 4 21 7 13 8 28 10 18 7 1958 1016.7 1015.5 1014.7 1013.5 1013.5 1004.9 996.2 1005.8 1008.0 1014.2 1013.8 1014.9 996.2 DAY 31 4 21 30 1 21 10 2 5 10 7 1 1959 1006.7 1005.6 1007.8 1009.3 1006.0 1000.2 1001.8 1000.2 1005.1 1009.4 1013.8 1014.2 1000.2 DAY 23 17 1 19 31 28 3 3 6 30 25 1 1960 1014.8 1013.1 1006.4 1010.3 1005.2 1001.8 1000.5 1003.0 1004.9 1011.1 1011.6 1014.3 1000.5 DAY 27 29 9 11 31 21 1 12 2 11 20 30 1961 1012.5 1010.1 1005.1 1006.2 1001.7 1002.3 1000.9 1003.5 1004.6 1011.4 1012.9 1010.0 1000.9 DAY 27 17 13 9 30 6 14 8 11 2 24 22 1962 1011.7 1011.9 1007.0 1006.9 1006.4 1003.1 1002.7 1005.8 1007.9 1012.2 1018.3 1013.1 1002.7 DAY 27 20 29 5 25 10 14 3 18 10 3 25 1963 1014.2 1012.1 1005.1 1005.2 1004.6 1001.8 1003.8 1003.6 1007.3 1014.1 1014.7 1009.3 1001.8 DAY 31 13 13 15 11 17 5 3 7 2 25 11 1964 1003.1 1011.0 1009.6 1003.8 1006.7 998.9 1000.5 1000.6 1007.7 1011.0 1008.2 1014.2 998.9 DAY 19 13 4 9 12 29 11 2 2 6 27 24 1965 1008.0 1008.9 1009.1 1006.7 1008.0 1002.9 1002.2 1008.1 1012.4 1010.4 1015.5 1012.1 1002.2 DAY 11 9 23 22 30 24 12 1 22 25 9 20 1966 1017.4 1011.6 1004.8 1008.9 1010.1 1001.2 1004.0 1005.0 1010.0 1012.5 1021.6 1011.4 1001.2 DAY 11 15 20 23 29 27 18 5 8 2 16 12 1967 1014.3 1010.1 1003.5 1006.3 1009.2 1004.4 999.3 1004.2 1008.0 1011.3 1016.5 1010.8 999.3 DAY 21 6 24 26 18 19 10 1 7 3 26 23 1968 1011.4 1002.8 1008.3 1008.2 1010.3 1002.3 1002.2 1004.4 1009.2 1013.7 1017.0 1010.9 1002.2 DAY 22 3 19 24 17 23 12 14 7 5 18 9 1969 1007.7 1012.5 1012.0 1009.1 1007.2 1004.7 1003.9 1004.8 1009.6 1012.8 1014.2 1013.7 1003.9 DAY 25 14 21 17 2 23 18 8 11 29 9 14 1970 1010.7 1011.0 1013.2 1012.1 1007.3 1003.3 1002.1 1001.9 1006.7 1010.8 1015.5 1011.1 1001.9 DAY 28 23 6 24 30 9 16 7 12 12 30 14 1971 1010.8 1008.2 1009.2 1009.3 1005.9 999.5 1002.5 1003.8 1008.2 1012.7 1015.0 1008.1 999.5 DAY 14 8 21 26 11 5 23 9 2 1 11 20 1972 1011.7 1009.9 1006.4 1008.6 1006.8 1000.9 1000.6 1001.3 1008.6 1015.7 1014.3 1012.8 1000.6 DAY 23 9 18 25 4 24 5 1 11 17 8 17 1973 1009.8 1007.7 1009.3 1009.0 1004.9 997.7 999.8 1004.3 1008.3 1014.3 1013.2 1011.0 997.7 DAY 16 22 7 24 30 16 16 13 2 18 3 7 1974 1008.6 1011.7 1010.3 1006.9 1005.8 1003.8 999.5 1002.7 1006.2 1016.7 1013.5 1011.2 999.5 DAY 31 12 26 29 27 26 20 11 3 18 29 13 1975 1013.5 1007.9 1007.7 1008.0 1009.3 1004.1 1003.3 1000.1 1006.4 1009.8 1007.8 1014.4 1000.1 DAY 5 6 3 15 25 30 17 14 10 3 29 3 1976 1012.1 1008.6 1007.6 1010.4 1008.3 1003.3 1000.0 1004.3 1008.0 1011.7 1006.0 1011.9 1000.0 DAY 12 5 14 22 7 6 20 1 2 19 29 31 1977 1010.4 1012.7 1011.2 1006.2 1008.3 999.9 998.5 1002.6 1011.4 1012.4 1006.9 1013.7 998.5 DAY 17 7 30 8 25 23 2 18 15 26 17 9 1978 1009.7 1010.2 1008.1 1008.1 1002.0 997.7 1000.0 1004.7 1003.8 1012.1 1013.4 1009.7 997.7 DAY 26 12 15 19 30 22 2 8 2 1 11 15 1979 1011.6 1011.1 1006.0 1009.8 1008.6 1002.8 1003.0 1005.2 1010.1 1014.0 1012.2 1011.2 1002.8 DAY 11 12 31 17 6 22 6 1 5 5 30 16 1980 1006.3 1006.2 1004.1 1009.0 1008.3 1002.6 1004.3 1003.6 1010.0 1012.5 1013.2 1011.7 1002.6 DAY 24 25 19 17 29 17 3 11 20 26 25 10 1981 1008.0 1006.6 1007.7 1006.3 1006.7 1004.6 1001.2 1004.9 1010.0 1013.1 1013.9 1012.7 1001.2 DAY 3 12 13 29 16 16 2 14 22 17 23 26 1982 1007.1 1007.1 1008.1 1005.9 1010.3 1003.8 998.9 998.8 1009.9 1012.2 1013.0 1012.5 998.8 DAY 17 14 7 18 24 25 31 1 14 1 7 7 1983 1009.0 1008.6 1009.8 1010.0 1008.3 1002.7 1000.9 1002.7 1005.4 1011.8 1016.7 1010.1 1000.9 DAY 24 28 23 25 12 29 28 5 9 5 12 12 1984 1008.1 1010.4 1007.1 1007.4 1006.2 1002.1 1002.6 1003.5 1005.7 1012.4 1014.1 1012.4 1002.1 DAY 17 8 14 26 30 21 16 8 1 18 14 7 1985 1012.7 1004.8 1007.4 1006.9 1008.0 1003.6 1002.5 1005.1 1007.3 1011.6 1015.1 1009.6 1002.5 DAY 2 16 25 8 21 18 19 8 8 11 7 5 1986 1006.9 1007.7 1007.3 1007.4 1008.0 1000.0 1003.7 1006.3 1010.9 1014.2 1009.7 1010.2 1000.0 DAY 20 16 8 30 10 20 19 4 5 24 7 20 1987 1008.0 1011.2 1006.1 1009.7 1008.8 1004.1 1002.1 1003.9 1008.1 1010.4 1014.4 1009.2 1002.1 DAY 3 10 12 5 28 13 3 29 2 9 11 31 1988 1007.8 1010.9 1007.1 1009.1 1008.1 1000.9 999.3 1002.8 1006.0 1011.8 1013.1 1008.1 999.3 DAY 19 25 5 25 24 25 8 7 1 7 20 26 1989 1008.4 1007.7 1007.1 1009.7 1007.4 1003.0 1004.6 1003.5 1005.2 1011.7 1015.8 1012.5 1003.0 DAY 17 23 28 23 30 7 18 2 12 2 20 5 1990 1009.8 1005.2 1009.0 1006.1 1003.9 1001.3 998.8 1003.9 1006.7 1011.3 1012.1 1009.6 998.8 DAY 2 16 25 16 13 27 5 8 4 2 1 25 1991 1007.2 1011.3 1006.0 1007.6 1004.2 1002.0 999.6 1002.8 1007.8 1014.4 1013.1 1012.0 999.6 DAY 26 4 7 10 23 12 14 12 3 5 6 22 1992 1010.6 1007.8 1007.3 1007.3 1010.4 998.3 1002.6 1003.6 1009.1 1011.2 1010.3 1011.9 998.3 DAY 23 11 31 19 9 27 19 1 18 7 26 4 1993 1007.1 1011.3 1007.2 1007.2 1005.3 1004.2 1002.6 1005.2 1008.8 1012.3 1011.1 1015.5 1002.6 DAY 14 23 22 13 29 13 14 12 3 3 14 28 1994 1010.8 1007.2 1010.8 1007.9 1007.8 999.5 999.9 1000.7 1005.6 1012.9 1011.4 1008.1 999.5 DAY 16 12 12 3 11 29 20 2 1 3 26 4 1995 1012.2 1009.1 1005.7 1008.4 1007.0 1002.7 998.2 1003.0 1009.2 1011.8 1008.7 1013.5 998.2 DAY 1 24 27 16 14 17 17 8 5 13 26 25 1996 1013.2 1006.1 1007.7 1009.3 1007.3 1005.3 1004.6 1004.6 1003.7 1010.2 1014.8 1012.0 1003.7 DAY 13 5 14 10 29 6 25 14 20 6 29 15 1997 1006.0 1012.2 1005.7 1008.1 1007.3 1002.8 998.8 1003.9 1007.8 1012.9 1013.2 1009.8 998.8 DAY 17 27 30 10 5 19 16 14 3 24 13 10 1998 1005.3 1003.9 1007.0 1008.3 1005.0 1003.9 998.2 1005.6 1007.6 1011.0 1015.1 1013.4 998.2 DAY 13 13 15 6 30 30 8 23 6 4 1 21 1999 1008.6 1009.2 1007.6 1009.3 1004.3 1000.2 1002.3 1003.6 1005.3 1012.8 1012.0 1013.7 1000.2 DAY 18 6 2 9 21 25 12 6 16 25 1 16 2000 1009.0 1008.1 1009.7 1009.3 1004.1 1000.6 1001.7 1004.1 1002.3 1011.8 1010.4 1011.4 1000.6 DAY 17 7 2 22 27 25 9 30 2 2 6 15 2001 1013.3 1008.0 1003.0 1008.0 1003.5 1001.3 999.7 1005.3 1006.9 1011.7 1012.3 1012.4 999.7 DAY 20 21 26 10 25 18 12 28 1 2 17 5 2002 1010.2 1012.8 1010.1 999.3 1005.4 999.3 1003.2 1001.8 1009.4 1014.3 1012.5 1007.6 999.3 DAY 22 25 23 4 13 21 26 9 10 12 13 22 2003 1010.9 1006.9 1009.0 1008.3 1008.4 999.8 999.7 1002.8 1006.7 1013.0 1011.7 1015.1 999.7 DAY 29 19 17 17 28 30 25 1 12 1 14 6 2004 1008.2 1012.7 1008.1 1007.7 1003.1 1000.8 1002.0 1003.2 1007.9 1014.8 1024.2 1024.8 1000.8 DAY 27 15 31 1 14 18 11 15 12 3 24 15 2005 1019.6 1020.2 1018.4 1017.1 1016.7 1010.4 1013.0 1016.1 1019.3 1025.2 1025.1 1025.0 1010.4 DAY 23 5 24 30 6 27 4 7 16 4 9 24 1956-2005 1003.1 1002.8 1003.0 999.3 1001.7 997.7 996.2 998.8 1002.3 1009.4 1006.0 1007.6 996.2 YEAR-DAY 64-19 68- 3 1-26 2- 4 61-30 73-16 58-10 82- 1 0- 2 59-30 76-29 2-22 58-10 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 97 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF QFF PRESSURE IN HPA AT 0900 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1001.3 997.6 1002.5 1004.9 ****** ****** ****** ****** 1957 1019.2 1018.8 1013.6 1011.9 1007.9 1003.1 1000.7 1012.7 1016.7 1013.5 1018.2 1018.5 1012.9 1958 1018.3 1017.6 1012.6 1009.7 1008.8 1000.7 996.5 1000.4 1004.3 1012.5 1022.0 1018.3 1010.1 1959 1019.3 1014.4 1012.6 1009.7 1005.2 1001.2 996.3 994.8 999.5 1009.7 1016.8 1022.8 1008.5 1960 1018.9 1015.7 1012.5 1010.2 1007.2 998.2 994.8 996.6 1005.0 1012.2 1017.3 1020.3 1009.1 1961 1019.7 1016.3 1010.7 1009.6 1003.0 999.7 994.1 998.2 999.8 1012.1 1015.2 1016.2 1007.9 1962 1017.8 1013.3 1009.5 1007.9 1003.9 1000.8 997.8 1001.8 1007.0 1013.3 1020.2 ****** ****** 1963 ****** ****** ****** ****** ****** ****** 996.7 998.5 1005.8 1011.3 1016.3 1018.8 ****** 1964 1023.4 1014.7 ****** ****** ****** 998.0 995.2 995.5 1005.2 1014.7 1017.0 1023.7 ****** 1965 1016.2 1014.3 1012.9 1008.0 1005.1 999.7 996.2 1002.8 1008.0 1011.4 1017.2 1019.1 1009.2 1966 1019.0 1014.3 1011.7 1009.5 1006.7 998.7 997.0 1000.4 1005.6 1012.8 1022.2 1018.2 1009.7 1967 1021.2 1015.1 1010.6 1009.4 1006.4 1000.1 994.2 998.2 1003.2 1013.8 1015.4 1018.9 1008.9 1968 1015.8 1017.8 1011.9 1010.2 1007.3 999.1 997.6 999.1 1006.2 1013.2 1018.3 1017.1 1009.5 1969 1018.9 1018.7 1010.8 1009.4 1005.0 1000.1 995.4 1001.4 1007.3 1011.4 1019.3 1018.0 1009.6 1970 1018.4 1015.5 1013.5 1009.6 1004.1 997.8 995.5 995.7 1003.9 1010.8 1016.5 1018.0 1008.3 1971 1020.1 1013.2 1013.4 1007.3 1002.5 994.5 996.6 997.6 1007.5 1012.4 1016.4 1015.6 1008.1 1972 1019.2 1020.4 1011.8 1008.7 1005.1 998.8 996.6 1002.2 1006.4 1012.9 1014.7 1020.4 1009.8 1973 1022.6 1014.2 1011.9 1007.0 1002.0 995.3 993.3 998.8 1004.0 1011.8 1015.9 1019.4 1008.0 1974 1018.4 1019.1 1012.6 1005.8 1003.3 998.0 995.5 997.8 1004.1 1015.0 1016.9 1018.5 1008.8 1975 1019.5 1014.8 1011.9 1010.3 1004.1 998.5 995.5 997.2 1004.4 1010.5 1017.4 1019.7 1008.6 1976 1015.3 1016.2 1013.1 1009.4 1004.1 999.8 993.3 998.3 1003.7 1009.4 1019.3 1019.6 1008.5 1977 1019.1 1018.8 1012.4 1006.9 1003.8 996.0 992.4 998.1 1006.5 1011.2 1014.7 1016.7 1008.1 1978 1018.9 1015.9 1011.7 1005.7 1002.7 996.4 996.4 997.7 1003.9 1012.4 1017.1 1015.6 1007.9 1979 1017.5 1012.8 1012.2 1007.9 1007.1 999.5 996.8 1000.7 1007.0 1011.1 1017.7 1017.1 1008.9 1980 1016.6 1014.3 1010.8 1006.8 1003.5 997.8 997.4 997.7 1004.9 1009.6 1015.3 1016.6 1007.6 1981 1017.5 1013.9 1009.6 1006.9 1004.4 999.0 996.1 999.3 1007.2 1014.2 1014.6 1016.7 1008.3 1982 1017.0 1014.8 1011.8 1008.2 1006.7 999.2 997.0 996.7 1006.9 1011.0 1016.1 1020.6 1008.8 1983 1018.7 1015.6 1013.6 1009.3 1003.4 999.1 996.2 996.2 1001.8 1012.5 1017.2 1019.5 1008.6 1984 1018.1 1020.9 1011.3 1007.2 1003.4 996.6 996.5 994.9 1005.1 1014.7 1014.8 1021.0 1008.7 1985 1016.4 1009.8 1013.7 1005.5 1004.1 996.6 994.2 1000.7 1004.1 1010.4 1015.5 1016.3 1007.3 1986 1017.4 1014.2 1012.0 1006.6 1004.4 995.1 997.5 1000.3 1007.0 1011.3 1013.9 1017.0 1008.0 1987 1016.2 1015.7 1007.9 1008.2 1005.1 999.6 998.1 997.8 1003.1 1012.9 1015.8 1016.9 1008.1 1988 1016.9 1014.9 1008.5 1007.2 1002.0 997.1 992.5 996.3 1002.4 1010.8 1014.7 1014.9 1006.5 1989 1017.8 1018.8 1009.4 1009.0 1004.9 997.5 996.6 998.8 1002.6 1010.2 1014.8 1015.0 1007.9 1990 1017.3 1012.9 1013.1 1005.7 1001.3 997.0 994.4 996.7 1001.7 1010.8 1015.3 1017.2 1006.9 1991 1017.1 1017.0 1010.9 1008.1 1001.2 997.7 994.5 996.8 1004.7 1011.9 1016.0 1015.5 1007.6 1992 1017.5 1012.7 1012.7 1007.3 1006.0 997.4 995.5 999.3 1005.6 1010.6 1014.8 1015.7 1007.9 1993 1018.9 1015.3 1012.8 1007.4 1003.9 998.3 996.8 1000.4 1003.3 1014.6 1014.9 1019.3 1008.8 1994 1016.9 1012.6 1011.3 1008.6 1003.8 995.2 992.4 995.3 1007.4 1013.0 1012.6 1018.9 1007.3 1995 1017.8 1014.0 1012.1 1007.8 1004.9 997.9 991.4 996.7 1003.4 1010.4 1013.8 1020.1 1007.5 1996 1019.5 1013.1 1009.8 1008.0 1004.9 997.8 998.0 998.0 1000.7 1010.1 1017.7 1018.2 1008.0 1997 1015.4 1014.2 1008.6 1006.9 1004.9 997.0 991.3 996.2 1003.4 1009.1 1015.0 1015.7 1006.5 1998 1014.6 1013.7 1009.8 1006.3 1003.5 1000.1 994.0 998.3 1002.4 1009.2 1014.2 1017.2 1007.0 1999 1016.9 1013.5 1009.6 1006.3 1001.8 996.0 993.6 997.6 1001.2 1008.6 1013.1 1020.0 1006.5 2000 1014.8 1013.9 1010.5 1004.5 998.1 996.6 996.8 998.4 1001.1 1009.8 1016.5 1016.5 1006.5 2001 1018.2 1014.1 1010.0 1004.6 999.2 994.9 993.3 999.1 1003.0 1009.1 1014.0 1017.0 1006.4 2002 1016.4 1014.5 1010.6 1005.3 1000.8 996.5 996.5 996.0 1003.9 1009.4 1015.2 1016.0 1006.7 2003 1015.8 1010.3 1010.7 1007.0 1005.0 995.7 992.1 997.9 1002.7 1009.1 1015.8 1019.0 1006.8 2004 1013.2 1014.4 1011.1 1006.3 1001.1 996.5 996.6 996.3 1004.1 1012.0 1011.0 1014.9 1006.5 2005 1014.4 1011.7 1007.1 1006.4 1001.7 994.4 992.5 995.1 999.2 1007.9 1013.1 1015.1 1004.9 MEAN 1017.8 1015.1 1011.3 1007.8 1004.0 998.0 995.5 998.5 1004.5 1011.5 1016.1 1017.9 1008.2 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 98 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MAX. OF QFF PRESSURE IN HPA AT 0900 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1008.3 1007.7 1010.3 1012.9 ****** ****** ****** ****** DAY ** ** ** ** ** 6 17 31 30 ** ** ** 1957 1027.9 1029.8 1020.3 1019.6 1016.7 1006.9 1009.3 1020.9 1027.0 1020.1 1031.5 1028.8 1031.5 DAY 4 8 3 6 16 9 29 29 10 15 24 30 1958 1025.5 1022.4 1018.0 1017.3 1018.9 1007.0 1004.8 1004.8 1010.8 1018.7 1030.0 1023.9 1030.0 DAY 2 13 2 2 13 2 16 25 28 22 23 26 1959 1028.9 1022.7 1022.1 1016.9 1013.7 1006.2 1000.5 1014.4 1006.0 1018.1 1022.0 1034.7 1034.7 DAY 3 3 9 8 4 21 7 28 26 21 30 16 1960 1027.6 1026.1 1022.5 1019.0 1016.4 1004.3 999.6 998.9 1009.7 1020.2 1024.2 1027.9 1027.9 DAY 29 15 20 8 3 19 30 19 25 30 27 5 1961 1030.5 1025.6 1024.4 1019.4 1011.2 1008.4 999.7 1009.7 1007.7 1022.0 1022.2 1029.9 1030.5 DAY 10 23 4 18 2 10 24 26 29 31 30 30 1962 1029.1 1023.7 1020.2 1017.7 1009.7 1007.8 1003.6 1006.5 1017.4 1020.2 1028.8 ****** ****** DAY 19 11 3 19 17 2 30 29 28 27 24 ** 1963 ****** ****** ****** ****** ****** ****** 1002.0 1001.5 1012.5 1016.0 1021.6 1028.9 ****** DAY ** ** ** ** ** ** 24 25 25 12 27 27 1964 1032.1 1026.5 ****** ****** ****** 1008.7 999.9 1001.1 1014.1 1019.8 1028.8 1030.1 ****** DAY 22 1 ** ** ** 3 21 31 29 28 30 1 1965 1025.0 1023.1 1021.9 1014.4 1012.4 1007.5 999.9 1006.8 1013.2 1018.1 1024.4 1027.6 1027.6 DAY 16 1 17 10 21 4 10 9 15 29 28 23 1966 1025.4 1022.8 1023.3 1019.5 1012.5 1007.8 1001.4 1006.1 1009.7 1020.0 1027.8 1026.5 1027.8 DAY 1 26 3 6 13 2 3 17 9 31 23 7 1967 1030.3 1025.9 1024.7 1020.0 1016.8 1007.7 1001.5 1001.6 1008.2 1021.5 1018.1 1025.4 1030.3 DAY 7 20 3 4 3 16 15 27 26 26 29 28 1968 1026.2 1029.6 1025.8 1016.6 1015.2 1008.7 1002.9 1007.9 1012.1 1020.5 1025.8 1025.9 1029.6 DAY 19 6 26 8 1 1 16 28 20 30 24 24 1969 1029.1 1028.4 1019.8 1016.1 1011.7 1009.6 999.7 1008.7 1017.3 1014.7 1027.7 1023.3 1029.1 DAY 9 4 25 15 10 3 14 31 14 5 23 12 1970 1026.0 1023.0 1019.7 1016.6 1011.3 1003.1 1001.8 1001.2 1013.5 1019.7 1024.5 1029.5 1029.5 DAY 3 4 9 27 23 16 9 30 22 27 15 16 1971 1026.8 1025.2 1018.9 1013.6 1008.3 1000.2 1001.8 1001.3 1014.0 1017.8 1024.5 1022.7 1026.8 DAY 4 3 2 28 1 9 26 22 23 13 21 12 1972 1030.5 1031.5 1019.4 1014.8 1014.3 1007.6 1001.0 1008.4 1012.5 1020.7 1022.4 1034.2 1034.2 DAY 9 24 4 8 24 1 19 27 22 26 24 27 1973 1034.6 1030.4 1028.1 1014.0 1010.6 1003.6 998.5 1001.8 1014.4 1016.6 1025.0 1030.1 1034.6 DAY 25 7 10 14 8 3 28 22 30 22 12 27 1974 1028.7 1028.9 1023.9 1013.3 1011.7 1001.9 1000.5 1001.0 1008.3 1022.6 1024.7 1027.9 1028.9 DAY 26 4 7 3 2 1 29 14 27 14 18 31 1975 1032.5 1022.7 1021.8 1021.4 1009.7 1002.7 999.2 1005.7 1012.5 1019.6 1024.0 1029.3 1032.5 DAY 15 18 5 3 20 6 27 31 19 25 21 5 1976 1025.1 1027.0 1023.5 1019.6 1008.6 1004.6 997.5 1002.2 1007.7 1017.6 1026.5 1025.5 1027.0 DAY 1 21 27 4 13 21 23 28 21 31 13 13 1977 1028.5 1026.4 1020.1 1011.9 1007.8 1003.2 995.8 1003.3 1011.1 1019.9 1022.2 1023.8 1028.5 DAY 11 15 10 18 14 1 26 23 30 28 27 18 1978 1028.4 1024.6 1019.7 1010.9 1012.4 1004.9 1003.6 1003.2 1010.2 1016.6 1028.2 1025.7 1028.4 DAY 13 6 9 6 4 5 8 31 29 11 26 25 1979 1024.1 1020.6 1025.8 1016.9 1013.3 1008.0 1000.2 1009.0 1011.5 1017.9 1025.3 1028.6 1028.6 DAY 17 1 5 18 11 6 21 31 30 21 25 23 1980 1024.8 1026.7 1020.4 1015.2 1008.9 1006.7 1002.0 1004.5 1011.0 1018.0 1022.8 1024.0 1026.7 DAY 9 3 5 21 1 2 18 31 24 31 27 21 1981 1025.8 1024.6 1022.7 1018.9 1016.0 1007.4 1003.2 1003.4 1012.2 1021.3 1022.5 1022.8 1025.8 DAY 9 4 5 3 2 11 29 3 27 25 26 2 1982 1030.1 1028.9 1021.0 1018.8 1013.8 1005.2 1000.9 1004.1 1011.3 1018.0 1029.0 1028.9 1030.1 DAY 21 20 5 4 12 4 14 31 21 26 18 9 1983 1030.7 1024.7 1022.2 1014.1 1007.8 1009.0 1001.9 1001.1 1009.2 1020.1 1024.6 1028.1 1030.7 DAY 11 24 19 14 5 1 11 8 30 27 5 25 1984 1027.8 1029.1 1020.0 1013.3 1008.6 1002.4 999.6 997.1 1012.0 1022.0 1021.7 1029.8 1029.8 DAY 5 20 4 1 3 4 22 24 30 22 27 20 1985 1022.4 1020.1 1027.6 1011.7 1011.6 1001.0 998.8 1007.3 1008.9 1015.7 1021.1 1025.9 1027.6 DAY 25 11 6 18 12 2 2 30 26 26 18 31 1986 1028.8 1021.1 1023.5 1012.5 1012.2 1002.8 1002.5 1005.3 1012.3 1019.6 1023.1 1025.6 1028.8 DAY 25 22 17 15 19 2 23 29 22 20 16 7 1987 1024.2 1023.8 1017.6 1014.0 1011.3 1008.7 1003.8 1003.6 1010.4 1021.0 1032.0 1032.7 1032.7 DAY 12 12 22 1 1 1 29 7 26 13 30 1 1988 1030.3 1029.4 1017.7 1018.3 1006.4 1005.6 998.0 1001.0 1009.9 1016.5 1022.8 1027.6 1030.3 DAY 3 7 25 3 17 1 29 26 30 24 25 30 1989 1026.4 1028.6 1017.7 1016.9 1013.2 1000.4 998.8 1003.9 1014.7 1019.0 1020.5 1021.0 1028.6 DAY 30 26 31 3 1 2 20 31 23 27 8 19 1990 1027.0 1023.7 1024.7 1013.1 1008.7 1004.4 1000.2 1000.9 1007.6 1021.6 1022.6 1032.4 1032.4 DAY 27 8 21 12 16 1 15 15 26 19 24 28 1991 1027.6 1033.7 1020.0 1017.4 1009.3 1003.1 999.3 1000.8 1014.7 1014.3 1021.9 1023.4 1033.7 DAY 13 15 18 16 8 22 2 31 28 21 27 18 1992 1031.7 1022.2 1027.3 1015.4 1012.8 1004.2 999.6 1006.2 1010.3 1015.7 1020.4 1025.5 1031.7 DAY 10 13 12 8 6 2 2 31 2 30 18 29 1993 1029.0 1023.8 1020.4 1016.5 1011.9 1005.6 1001.9 1003.9 1008.0 1021.8 1022.6 1026.6 1029.0 DAY 6 8 17 1 10 23 27 26 23 9 23 7 1994 1026.9 1020.6 1018.6 1022.9 1009.0 1004.0 996.9 999.2 1017.3 1021.4 1018.0 1031.1 1031.1 DAY 28 4 3 5 8 12 13 16 23 10 2 8 1995 1025.0 1020.9 1021.5 1015.0 1011.8 1008.0 996.8 1000.0 1007.6 1020.0 1024.4 1025.7 1025.7 DAY 7 26 6 10 26 2 28 25 23 26 28 11 1996 1026.7 1021.4 1017.2 1018.9 1011.0 1001.9 1005.7 1003.4 1008.2 1019.2 1030.0 1025.7 1030.0 DAY 27 24 1 7 3 28 4 30 25 20 19 8 1997 1024.6 1024.1 1020.7 1015.3 1014.5 1003.5 993.5 1001.4 1009.1 1014.8 1021.4 1027.2 1027.2 DAY 19 8 11 14 7 4 9 28 20 25 30 29 1998 1022.6 1024.8 1016.9 1017.2 1013.1 1004.6 1000.1 1003.0 1008.0 1015.8 1020.0 1024.6 1024.8 DAY 22 23 4 12 7 5 22 7 13 26 27 9 1999 1027.4 1020.6 1022.0 1014.6 1007.7 1004.2 997.6 1003.6 1011.4 1013.2 1021.7 1025.1 1027.4 DAY 3 7 19 12 12 1 31 19 29 27 14 18 2000 1024.7 1023.6 1018.2 1011.6 1004.4 1002.8 1003.2 1003.1 1006.2 1017.6 1025.5 1026.0 1026.0 DAY 31 11 4 3 5 14 20 23 30 5 17 17 2001 1029.5 1022.7 1021.6 1013.5 1004.4 1002.0 999.8 1004.8 1012.2 1014.8 1021.4 1024.0 1029.5 DAY 29 10 12 4 1 2 29 14 22 11 20 18 2002 1026.9 1025.8 1024.8 1017.0 1006.2 1004.3 1002.1 1001.4 1009.4 1012.5 1024.0 1026.0 1026.9 DAY 26 5 11 1 10 25 31 1 30 26 18 5 2003 1021.5 1020.1 1027.4 1014.3 1014.8 1002.2 996.5 1002.4 1010.2 1013.3 1028.3 1031.4 1031.4 DAY 12 7 3 19 2 1 3 4 27 17 24 12 2004 1023.6 1023.5 1020.2 1014.0 1005.6 1006.4 1003.0 1002.2 1011.8 1017.3 1020.2 1026.7 1026.7 DAY 1 9 22 11 7 1 18 31 27 27 29 4 2005 1022.5 1022.4 1014.0 1018.5 1007.9 1001.7 995.5 998.9 1003.8 1013.6 1020.3 1024.8 1024.8 DAY 13 15 27 9 8 6 27 27 25 24 27 30 1956-2005 1034.6 1033.7 1028.1 1022.9 1018.9 1009.6 1009.3 1020.9 1027.0 1022.6 1032.0 1034.7 1034.7 YEAR-DAY 73-25 91-15 73-10 94- 5 58-13 69- 3 57-29 57-29 57-10 74-14 87-30 59-16 59-16 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 99 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MIN. OF QFF PRESSURE IN HPA AT 0900 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. 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** ** ** 5 3 8 2 1 11 1964 1001.2 1008.1 ****** ****** ****** 988.2 989.8 989.9 999.1 1003.7 1003.7 1011.2 ****** DAY 19 10 ** ** ** 29 11 2 2 6 27 25 1965 1006.4 1004.2 1004.8 1000.6 999.6 992.5 991.5 998.9 1004.0 1002.4 1009.0 1010.7 991.5 DAY 11 9 23 21 30 25 12 1 22 25 9 20 1966 1013.2 1007.1 997.2 1000.9 1000.8 988.6 992.9 993.9 1000.8 1003.4 1017.9 1007.4 988.6 DAY 27 15 20 23 26 27 18 6 12 2 5 12 1967 1009.6 1007.4 998.7 1000.4 999.2 983.8 984.8 994.0 998.1 1000.1 1012.4 1009.0 983.8 DAY 21 13 24 26 27 19 10 1 7 22 26 23 1968 1007.5 1000.4 1001.8 1000.5 1001.7 992.2 990.7 993.0 999.5 1005.3 1012.0 1008.1 990.7 DAY 16 3 18 24 17 23 12 14 7 5 18 2 1969 1002.5 1010.2 1005.5 1002.4 996.9 993.7 991.7 994.4 999.8 1004.8 1008.3 1008.8 991.7 DAY 25 22 21 13 31 23 6 8 11 29 9 14 1970 1008.3 1006.9 1006.2 1002.8 996.3 992.3 990.3 989.5 994.5 1001.7 1011.2 1006.5 989.5 DAY 12 19 24 20 31 9 16 7 3 9 30 14 1971 1007.5 1003.7 1003.5 1001.3 996.1 988.9 992.6 993.8 998.5 1004.6 1010.3 1003.9 988.9 DAY 14 8 20 26 29 5 23 9 2 7 5 20 1972 1009.2 1006.9 1001.4 1001.4 999.6 989.4 988.8 990.5 998.6 1008.6 1007.5 1010.0 988.8 DAY 23 9 18 25 2 24 5 1 11 17 8 17 1973 1006.1 1002.1 1002.1 1001.3 995.2 986.6 988.1 993.9 995.1 1005.8 1006.9 1007.6 986.6 DAY 16 22 7 24 30 16 16 4 10 11 3 7 1974 1006.1 1009.2 1003.5 999.4 996.8 993.4 988.7 991.2 995.8 1011.8 1010.0 1007.0 988.7 DAY 16 18 24 29 27 26 20 11 3 28 29 6 1975 1008.8 1005.4 1003.5 1000.1 1000.1 994.6 993.4 989.9 997.9 1001.8 1002.9 1010.7 989.9 DAY 5 11 3 15 25 30 5 14 10 5 29 23 1976 1008.5 1005.0 1002.6 1004.1 999.4 994.0 988.6 994.7 998.9 1004.2 1000.4 1009.5 988.6 DAY 24 5 17 25 21 6 20 1 2 19 29 31 1977 1009.4 1008.0 1004.7 1000.6 999.1 988.1 987.1 990.9 1002.6 1004.7 1004.3 1009.0 987.1 DAY 21 7 23 8 17 23 2 18 3 5 17 23 1978 1008.0 1006.4 1002.4 1000.9 992.2 986.1 988.7 994.5 993.9 1004.7 1008.2 1003.9 986.1 DAY 26 12 13 19 30 22 2 8 2 1 2 17 1979 1007.2 1007.4 1001.7 1001.9 1000.4 990.8 992.1 994.5 1002.0 1005.2 1007.1 1007.4 990.8 DAY 7 16 31 11 6 22 6 1 5 5 30 16 1980 1001.4 1001.1 998.7 1000.5 998.3 991.6 994.7 992.0 1000.0 1004.4 1008.8 1004.4 991.6 DAY 24 25 19 17 29 17 3 11 20 5 25 10 1981 1006.2 1004.3 1001.1 1001.0 997.2 993.2 990.4 993.4 1000.3 1005.9 1007.9 1009.2 990.4 DAY 3 12 28 2 16 26 2 23 22 17 5 26 1982 1003.2 1004.8 1004.3 998.7 1001.2 993.3 987.2 986.9 1000.7 1003.9 1009.5 1010.6 986.9 DAY 29 14 25 18 24 25 31 1 14 1 7 30 1983 1005.9 1004.8 1004.8 1002.0 998.5 991.2 989.0 991.4 994.0 1003.0 1011.6 1004.8 989.0 DAY 24 28 23 25 30 29 28 5 9 5 12 12 1984 1005.7 1008.8 1001.2 999.6 995.1 992.2 992.6 992.1 996.3 1004.9 1007.7 1009.2 992.1 DAY 29 8 13 26 30 21 16 8 1 18 14 7 1985 1008.3 999.6 999.2 999.2 998.1 992.8 990.7 995.2 996.9 1003.5 1009.8 1004.6 990.7 DAY 17 16 25 24 21 19 28 1 8 11 7 5 1986 1002.6 1004.0 1001.7 999.7 999.2 988.0 993.3 996.0 1002.5 1006.7 1004.7 1006.5 988.0 DAY 20 16 8 30 31 20 19 3 30 1 7 31 1987 1005.5 1005.8 1000.0 1000.4 998.6 994.3 991.2 993.3 997.6 1001.2 1007.0 1005.7 991.2 DAY 3 10 12 20 28 8 3 29 2 9 8 31 1988 1005.0 1006.4 1000.7 1000.7 998.0 989.1 987.6 991.8 995.3 1004.6 1007.4 1004.7 987.6 DAY 19 25 5 23 29 25 8 7 1 7 14 27 1989 1006.7 1002.2 1000.9 1002.8 996.6 991.4 993.4 993.0 995.1 1002.6 1009.5 1007.6 991.4 DAY 24 23 28 22 30 7 18 2 12 2 20 5 1990 1007.1 1001.3 1003.1 996.7 993.8 990.2 986.8 992.5 996.4 1002.7 1007.2 1006.6 986.8 DAY 2 16 25 16 13 27 5 8 4 2 1 25 1991 1003.2 1006.0 1002.0 1000.5 994.6 991.1 987.6 992.3 998.7 1007.1 1007.2 1008.4 987.6 DAY 26 4 7 10 23 12 14 12 3 5 5 1 1992 1008.8 1004.3 1001.6 999.9 1001.0 986.4 992.3 993.2 1000.7 1004.5 1004.0 1006.9 986.4 DAY 3 11 31 18 20 27 24 1 18 7 26 4 1993 1004.3 1007.7 1002.1 1000.4 994.7 993.9 991.6 995.0 999.5 1003.8 1004.6 1013.7 991.6 DAY 9 15 22 13 29 13 9 12 1 3 14 5 1994 1006.7 1005.5 1005.6 1000.4 1000.0 987.5 988.0 989.4 995.3 1005.2 1005.5 1002.0 987.5 DAY 5 9 12 3 11 29 20 2 1 3 26 4 1995 1010.0 1004.5 998.8 1002.2 997.9 991.7 986.7 992.5 1000.0 1003.4 1004.4 1012.1 986.7 DAY 1 24 27 16 14 17 17 8 19 13 26 25 1996 1011.4 1003.5 1003.4 1001.2 997.7 993.4 994.1 993.2 992.6 1002.6 1010.0 1007.8 992.6 DAY 7 5 14 25 29 6 29 7 21 6 3 15 1997 1001.8 1005.6 1000.4 999.9 998.0 990.2 986.8 992.3 996.8 1004.0 1007.0 1005.6 986.8 DAY 17 23 30 11 5 19 16 14 3 1 13 10 1998 1003.4 1000.7 1001.0 999.6 993.6 993.1 985.2 994.4 996.1 1000.5 1007.5 1010.0 985.2 DAY 6 13 15 6 30 30 9 23 6 4 1 21 1999 1003.8 1003.6 1002.6 1000.5 993.2 988.4 989.3 992.8 995.4 1004.3 1004.6 1009.6 988.4 DAY 18 21 2 9 21 25 10 6 16 25 1 16 2000 1006.6 1004.5 1004.1 999.6 992.0 990.0 990.0 993.9 992.1 1003.0 1004.2 1009.1 990.0 DAY 21 7 5 22 27 25 9 4 2 2 6 11 2001 1009.8 1001.2 996.6 999.0 992.6 989.7 986.8 993.4 995.4 1002.5 1006.0 1008.1 986.8 DAY 20 21 26 13 25 30 12 28 1 2 12 5 2002 1008.2 1006.5 1002.7 993.1 994.3 986.6 990.4 990.9 1000.1 1006.1 1006.0 1003.6 986.6 DAY 22 28 21 4 13 21 26 17 18 12 13 22 2003 1005.6 1002.3 1001.6 1000.2 998.2 986.0 987.1 989.9 996.0 1003.9 1004.4 1009.6 986.0 DAY 29 16 13 17 23 30 1 1 12 5 2 6 2004 1003.2 1005.6 1000.3 1000.2 992.8 989.0 990.5 990.6 998.0 1007.2 1002.2 1004.5 989.0 DAY 14 15 31 1 14 18 11 15 11 3 24 16 2005 1001.5 1002.0 997.0 993.6 993.9 983.7 986.7 990.3 994.6 1001.7 1003.9 1005.0 983.7 DAY 23 5 24 30 6 27 4 7 6 1 9 24 1956-2005 1001.2 999.6 996.6 993.1 991.8 983.7 984.8 986.9 992.1 1000.1 1000.4 1002.0 983.7 YEAR-DAY 64-19 85-16 1-26 2- 4 61-30 5-27 67-10 82- 1 0- 2 67-22 76-29 94- 4 5-27 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 100 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF COMPUTED QFF PRESSURE IN HPA AT 0900 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 995.4 994.7 1000.6 1002.8 ****** ****** ****** ****** 1957 ****** ****** ****** ****** ****** 1000.4 998.1 1009.5 1014.3 1012.1 1016.7 1017.2 ****** 1958 1017.1 1016.6 1011.1 1008.4 1007.5 999.1 995.1 999.2 1003.0 1011.4 1020.9 1016.9 1008.9 1959 1018.3 1013.0 1011.5 1008.6 1003.8 999.7 995.1 993.0 998.5 1008.5 1015.9 1021.9 1007.3 1960 1017.7 1014.6 1011.6 1008.9 1005.8 996.5 993.7 995.7 1004.1 1011.3 1016.2 1019.5 1008.0 1961 1018.6 1015.4 1010.1 1008.7 1002.0 998.9 993.4 997.1 998.8 1011.2 1014.7 1015.3 1007.0 1962 1017.2 1012.7 1009.2 1007.0 1004.3 ****** ****** ****** ****** ****** ****** ****** ****** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 1015.0 1013.1 1011.6 1006.6 1003.4 997.8 994.4 1000.7 1006.4 1010.1 1016.1 1018.6 1007.8 1966 1018.5 1013.9 1011.2 1008.7 1005.9 997.9 996.3 999.5 1004.6 1012.1 1021.7 1017.7 1009.0 1967 1020.7 1014.5 1010.0 1008.6 1005.5 999.5 993.2 997.4 1001.0 1016.3 1014.7 1018.5 1008.3 1968 1015.5 1017.3 1011.2 1009.5 1006.4 998.1 996.8 998.2 1005.2 1012.3 1017.5 1016.5 1008.7 1969 1018.5 1018.2 1010.2 1008.7 ****** ****** ****** ****** ****** ****** ****** ****** ****** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1020.0 ****** 1984 1017.2 1019.7 1010.3 1006.3 1002.4 995.7 995.6 993.6 1004.1 1013.9 1014.1 1020.2 1007.8 1985 1015.4 1009.3 1012.9 1004.9 1003.1 995.8 992.7 999.9 1003.4 1009.7 1014.8 1015.8 1006.5 1986 1016.6 1013.4 1011.3 1005.8 1003.2 994.1 996.6 999.4 1006.2 1010.3 1013.2 1016.0 1007.2 1987 1015.5 1015.1 1007.1 1007.1 1003.9 998.8 997.3 996.8 1002.0 1012.2 1015.1 1016.2 1007.3 1988 1015.9 1014.1 1008.0 1006.4 1001.0 996.0 991.3 995.2 1001.2 1009.9 1014.0 1014.2 1005.6 1989 1016.6 1017.8 1008.8 1008.2 1004.1 996.6 995.6 997.9 1001.8 1009.4 1014.0 1014.3 1007.1 1990 1016.3 1012.1 1012.4 1004.9 1000.4 996.0 993.5 995.6 1000.9 1010.0 1014.6 1016.5 1006.1 1991 1016.1 1016.2 1010.1 1007.3 1000.4 996.8 993.5 995.8 1003.8 1011.1 1015.2 1014.6 1006.7 1992 1016.6 1012.0 1012.0 1006.5 1005.1 996.3 994.4 998.4 1004.8 1009.8 1014.1 1014.9 1007.1 1993 1017.9 1014.5 1012.2 1006.6 1003.0 997.1 995.9 999.5 1002.4 1013.9 1014.3 1018.4 1008.0 1994 1016.2 1011.8 1010.6 1007.7 1003.0 993.9 991.4 994.2 1006.5 1012.1 1011.7 1018.0 1006.4 1995 1016.7 1013.3 1011.5 1006.9 1004.2 996.9 990.4 995.9 1002.7 1009.7 1013.1 1019.1 1006.7 1996 1018.6 1012.2 1009.2 1007.2 1004.0 997.0 997.1 998.1 1000.5 1009.9 1017.3 1018.1 1007.4 1997 1015.1 1014.1 1008.5 1006.7 1004.6 996.8 991.3 996.2 1003.2 1009.0 1014.8 1015.5 1006.3 1998 1014.3 1013.5 1009.6 1006.0 1003.3 999.9 993.9 998.1 1002.1 1009.1 1013.9 1017.0 1006.7 1999 1016.7 1013.2 1009.4 1006.1 1001.6 995.8 993.5 997.5 1000.9 1008.3 1012.9 1019.7 1006.3 2000 1014.4 1013.8 1010.2 1004.4 997.9 996.4 996.6 998.1 1000.9 1009.4 1016.1 1016.1 1006.2 2001 1017.9 1013.8 1009.6 1004.4 998.8 994.5 993.0 998.7 1002.8 1008.6 1013.6 1016.5 1006.0 2002 1015.9 1014.1 1010.4 1004.9 1000.4 996.3 996.3 995.7 1003.7 1008.9 1014.9 1015.8 1006.4 2003 1015.8 1010.2 1010.6 1006.9 1004.9 995.6 992.0 997.9 1002.6 1009.1 1015.7 1019.0 1006.7 2004 1013.0 1014.1 1010.8 1006.3 1000.9 996.5 996.6 996.3 1004.1 1012.0 1025.5 1030.0 1008.8 2005 1029.5 1026.7 1021.5 1020.7 1015.8 1008.2 1006.1 1008.7 1013.1 1022.2 1027.9 1030.1 1019.2 MEAN 1017.0 1014.5 1010.8 1007.4 1003.6 997.3 994.9 998.1 1003.5 1011.1 1016.0 1018.1 1007.7 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 101 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MAX. OF COMPUTED QFF PRESSURE IN HPA AT 0900 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1001.4 1000.3 1008.3 1010.2 ****** ****** ****** ****** DAY ** ** ** ** ** 6 25 31 30 ** ** ** 1957 ****** ****** ****** ****** ****** 1003.2 1006.9 1016.1 1022.6 1018.6 1030.0 1027.7 ****** DAY ** ** ** ** ** 18 29 27 9 15 24 30 1958 1024.1 1021.5 1017.3 1016.2 1017.3 1005.0 1003.2 1003.5 1009.4 1017.3 1028.9 1022.6 1028.9 DAY 2 13 2 2 13 2 16 25 29 22 23 26 1959 1027.7 1021.4 1020.3 1015.6 1012.4 1004.4 999.8 998.4 1004.8 1016.7 1021.0 1033.0 1033.0 DAY 3 3 9 8 4 21 7 31 26 21 22 16 1960 1026.1 1024.4 1022.3 1017.6 1015.7 1002.3 999.1 998.0 1008.8 1019.1 1023.8 1027.0 1027.0 DAY 29 15 20 8 6 15 29 19 25 30 27 5 1961 1029.6 1024.7 1023.7 1018.1 1010.8 1007.9 998.4 1002.7 1007.2 1021.2 1021.9 1024.1 1029.6 DAY 10 22 4 18 2 10 24 10 29 31 29 3 1962 1028.2 1023.3 1019.4 1016.2 1009.1 ****** ****** ****** ****** ****** ****** ****** ****** DAY 19 11 3 19 17 ** ** ** ** ** ** ** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1965 1023.7 1021.8 1020.7 1013.3 1010.6 1005.3 998.0 1004.7 1011.2 1016.8 1022.3 1027.1 1027.1 DAY 16 1 17 10 21 4 10 9 15 29 28 23 1966 1025.0 1022.4 1023.2 1019.1 1011.8 1006.5 1000.5 1005.5 1008.6 1019.3 1027.4 1026.0 1027.4 DAY 1 26 3 6 13 2 3 17 5 31 23 7 1967 1029.7 1025.4 1024.1 1019.5 1016.1 1007.1 1000.4 1001.3 1004.5 1020.6 1017.7 1025.5 1029.7 DAY 7 20 3 4 3 16 15 16 14 26 29 27 1968 1025.9 1029.2 1024.8 1016.1 1014.5 1007.9 1002.2 1007.2 1011.4 1019.7 1025.1 1025.4 1029.2 DAY 20 6 27 8 1 1 16 30 20 30 24 24 1969 1028.5 1029.6 1019.4 1015.7 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 9 3 25 15 ** ** ** ** ** ** ** ** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1028.0 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 25 1984 1026.6 1028.1 1019.3 1012.4 1008.1 1001.2 998.5 995.8 1010.0 1021.3 1020.9 1028.7 1028.7 DAY 5 20 4 1 3 4 23 24 26 22 27 20 1985 1021.5 1019.3 1026.5 1011.1 1010.6 1000.3 996.0 1006.5 1008.1 1014.7 1020.0 1024.6 1026.5 DAY 25 11 6 18 12 2 16 30 26 26 18 31 1986 1027.6 1019.9 1022.0 1011.6 1011.5 1001.7 999.9 1004.4 1011.2 1019.2 1022.3 1024.4 1027.6 DAY 25 22 17 15 19 2 23 29 22 20 16 7 1987 1023.1 1023.0 1016.8 1013.0 1010.2 1007.7 1002.5 1002.3 1009.3 1020.2 1030.0 1031.4 1031.4 DAY 12 12 22 1 1 1 29 7 26 13 30 1 1988 1029.2 1028.3 1017.5 1017.8 1005.7 1004.6 996.7 1000.2 1008.7 1016.1 1021.5 1026.4 1029.2 DAY 3 7 25 3 17 1 29 26 30 17 25 30 1989 1025.4 1027.3 1016.6 1016.3 1012.6 999.6 997.5 1002.8 1013.8 1018.2 1019.7 1020.0 1027.3 DAY 31 26 31 3 1 2 21 31 23 27 8 19 1990 1025.8 1022.6 1023.6 1012.4 1007.7 1003.5 998.8 1000.1 1006.5 1020.6 1021.9 1031.3 1031.3 DAY 27 8 21 12 16 1 15 15 27 19 24 28 1991 1026.4 1032.7 1018.6 1015.3 1008.3 1002.8 998.5 999.9 1013.9 1013.6 1020.9 1022.2 1032.7 DAY 13 15 12 16 8 21 2 31 28 14 24 18 1992 1030.6 1021.2 1026.2 1014.4 1011.8 1002.8 998.5 1005.2 1009.5 1014.8 1019.7 1024.3 1030.6 DAY 10 13 12 12 6 2 2 31 2 30 18 29 1993 1027.4 1022.7 1019.4 1015.9 1011.0 1004.6 1001.0 1003.0 1007.3 1021.3 1021.8 1025.5 1027.4 DAY 6 8 17 1 10 23 27 26 23 9 30 7 1994 1025.7 1019.8 1017.8 1022.4 1008.1 1000.3 996.1 998.1 1016.5 1020.7 1017.2 1030.0 1030.0 DAY 28 4 3 5 8 10 13 16 23 10 2 8 1995 1023.1 1019.9 1020.8 1013.6 1011.0 1007.3 995.9 999.1 1007.0 1018.3 1023.4 1024.5 1024.5 DAY 7 26 6 10 26 2 28 25 23 27 28 11 1996 1025.6 1020.4 1016.2 1018.4 1010.0 1000.7 1002.9 1003.3 1007.9 1018.6 1029.6 1025.7 1029.6 DAY 27 24 1 7 3 28 3 30 25 20 19 8 1997 1024.5 1024.1 1021.6 1015.3 1014.4 1003.3 993.4 1001.4 1008.9 1014.7 1021.2 1027.1 1027.1 DAY 19 8 1 14 7 4 9 28 20 25 30 29 1998 1022.5 1024.8 1016.8 1016.9 1012.5 1004.5 999.9 1002.1 1007.6 1015.7 1018.4 1024.4 1024.8 DAY 22 23 4 12 7 5 22 7 13 26 21 9 1999 1027.2 1020.5 1020.8 1014.0 1007.5 1004.0 997.5 1003.5 1011.2 1012.3 1021.5 1024.8 1027.2 DAY 3 7 19 12 27 1 28 19 29 28 14 6 2000 1024.7 1023.6 1018.2 1011.9 1004.2 1002.5 1003.2 1003.1 1005.9 1016.6 1025.5 1025.7 1025.7 DAY 31 11 4 3 5 14 20 23 29 5 17 17 2001 1028.2 1022.7 1021.1 1013.1 1004.0 1001.8 999.9 1004.8 1011.7 1014.5 1021.2 1023.7 1028.2 DAY 29 10 12 4 1 2 29 14 22 11 20 18 2002 1026.8 1025.7 1025.4 1016.4 1005.8 1003.6 1001.1 1001.3 1008.3 1012.0 1023.8 1026.0 1026.8 DAY 26 5 11 1 10 25 31 1 29 26 18 5 2003 1021.5 1020.1 1027.4 1014.3 1014.7 1002.1 996.5 1002.3 1010.2 1013.3 1028.2 1031.4 1031.4 DAY 12 7 3 19 2 1 3 4 27 17 24 12 2004 1023.4 1022.8 1020.1 1013.9 1005.7 1005.2 1002.5 1002.2 1011.8 1017.2 1035.3 1042.1 1042.1 DAY 1 10 22 11 7 1 18 31 27 27 29 4 2005 1038.0 1037.9 1028.9 1033.4 1022.3 1015.6 1009.3 1012.7 1017.8 1028.1 1035.5 1040.5 1040.5 DAY 13 18 27 9 8 6 27 27 25 24 27 30 1956-2005 1038.0 1037.9 1028.9 1033.4 1022.3 1015.6 1009.3 1016.1 1022.6 1028.1 1035.5 1042.1 1042.1 YEAR-DAY 5-13 5-18 5-27 5- 9 5- 8 5- 6 5-27 57-27 57- 9 5-24 5-27 4- 4 4- 4 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 102 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MIN. OF COMPUTED QFF PRESSURE IN HPA AT 0900 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 989.0 989.7 995.3 997.9 ****** ****** ****** ****** DAY ** ** ** ** ** 2 11 4 12 ** ** ** 1957 ****** ****** ****** ****** ****** 996.6 987.4 1001.2 1004.3 1004.4 1007.1 1005.7 ****** DAY ** ** ** ** ** 30 13 15 28 10 18 7 1958 1010.7 1011.4 1008.2 1004.1 1003.8 993.2 983.7 994.5 997.4 1006.2 1006.8 1009.2 983.7 DAY 31 24 21 22 1 21 10 2 4 9 7 1 1959 1002.6 1001.4 1003.9 1001.1 995.3 989.5 989.2 988.0 994.3 1001.5 1010.0 1011.1 988.0 DAY 23 17 1 19 31 28 28 3 6 5 25 1 1960 1011.1 1007.0 1001.2 1002.6 994.3 990.0 988.0 991.7 993.0 1002.4 1004.1 1013.4 988.0 DAY 27 29 9 29 31 30 5 12 2 11 20 2 1961 1008.8 1006.6 1000.0 1000.6 991.2 990.3 988.5 991.5 993.1 1002.5 1006.8 1004.6 988.5 DAY 22 17 13 9 30 6 15 8 11 2 24 22 1962 1007.3 1005.1 999.6 998.9 998.4 ****** ****** ****** ****** ****** ****** ****** ****** DAY 9 20 29 11 11 ** ** ** ** ** ** ** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1965 1005.2 1003.1 1003.8 999.3 997.7 990.4 989.2 997.1 1002.5 1001.5 1008.1 1010.6 989.2 DAY 11 9 23 20 30 25 12 1 1 25 9 20 1966 1012.8 1006.9 996.9 1000.2 999.8 988.0 992.0 993.0 1000.1 1002.5 1017.4 1007.2 988.0 DAY 27 15 20 23 26 27 18 6 12 2 5 12 1967 1009.0 1007.1 998.6 999.5 998.2 993.4 985.9 992.8 996.8 1008.9 1011.7 1009.1 985.9 DAY 21 13 24 26 27 19 10 5 7 13 26 24 1968 1007.0 1000.3 1001.3 999.8 1000.9 991.4 989.4 991.7 998.3 1004.4 1011.2 1006.9 989.4 DAY 16 3 18 24 17 22 12 14 7 11 18 9 1969 1002.0 1009.7 1005.0 1001.7 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 25 22 21 13 ** ** ** ** ** ** ** ** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1011.1 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 27 1984 1005.2 1008.1 1000.5 998.5 994.2 991.4 992.4 991.0 995.1 1004.0 1008.0 1008.5 991.0 DAY 17 14 13 26 30 21 15 8 1 18 14 7 1985 1007.7 999.3 998.4 998.4 997.0 991.9 989.6 994.4 996.0 1002.8 1009.4 1004.0 989.6 DAY 17 16 25 24 22 19 28 1 8 11 7 5 1986 1002.5 1003.8 1001.1 999.0 997.4 987.0 991.9 994.9 1001.7 1005.8 1004.1 1005.5 987.0 DAY 20 16 8 30 10 20 19 5 30 1 7 28 1987 1005.0 1005.5 999.4 998.8 997.5 993.5 990.5 992.2 996.2 1000.4 1007.1 1005.3 990.5 DAY 3 10 12 20 28 11 3 29 2 9 8 31 1988 1004.0 1005.7 1000.1 999.9 996.5 987.8 986.6 991.0 994.1 1003.9 1006.8 1004.1 986.6 DAY 19 25 5 23 29 25 8 7 1 7 14 27 1989 1006.3 1001.7 1000.2 1002.1 995.6 990.5 991.9 991.7 994.4 1002.1 1008.8 1006.9 990.5 DAY 24 23 28 22 30 7 18 2 12 2 20 5 1990 1006.6 1001.1 1002.5 995.9 993.3 989.2 985.9 991.4 995.3 1001.9 1006.4 1006.2 985.9 DAY 2 16 25 16 13 27 5 8 4 2 1 25 1991 1002.7 1005.5 1000.7 999.2 993.7 990.4 987.6 991.2 997.5 1006.1 1006.5 1008.0 987.6 DAY 26 4 7 10 23 5 14 12 8 5 6 1 1992 1007.9 1003.8 1001.1 999.1 1000.1 985.4 990.8 992.4 999.9 1003.6 1003.7 1006.3 985.4 DAY 3 11 31 18 20 27 21 1 18 7 26 4 1993 1003.6 1007.0 1001.7 999.9 994.3 992.7 990.7 994.4 998.1 1002.8 1004.1 1012.9 990.7 DAY 9 15 22 13 29 21 9 12 1 3 14 5 1994 1006.4 1003.5 1005.0 999.8 999.2 984.3 987.1 988.2 994.5 1004.4 1004.7 1001.4 984.3 DAY 5 12 12 3 28 30 20 2 1 3 26 4 1995 1009.1 1004.1 998.2 1001.4 997.2 989.7 985.7 992.1 999.2 1002.7 1004.1 1011.2 985.7 DAY 1 24 27 16 14 17 17 8 1 13 26 25 1996 1011.0 1003.0 1003.1 1000.3 996.8 992.2 993.4 993.7 992.6 1002.6 1009.8 1007.9 992.2 DAY 7 5 14 25 29 6 29 14 20 6 3 15 1997 1001.9 1005.5 999.5 999.8 997.3 990.4 986.9 992.3 996.7 1003.9 1006.5 1005.6 986.9 DAY 17 23 30 11 5 19 16 14 3 1 13 10 1998 1003.3 1000.6 1000.7 999.7 993.4 992.8 984.9 993.6 996.1 1000.4 1007.4 1009.6 984.9 DAY 6 13 15 6 30 30 8 23 6 4 1 21 1999 1003.8 1003.6 1002.6 1000.3 993.7 988.3 989.4 992.6 994.6 1004.3 1004.5 1009.6 988.3 DAY 18 21 2 9 21 25 10 6 16 25 1 16 2000 1006.2 1004.6 1004.6 998.9 992.0 989.0 989.7 993.6 991.3 1002.3 1003.8 1008.7 989.0 DAY 17 7 9 22 27 25 9 30 2 2 6 26 2001 1009.6 1000.9 995.8 999.0 992.3 989.5 986.3 993.2 994.9 1002.1 1005.9 1007.7 986.3 DAY 20 21 26 28 26 30 12 28 1 2 12 5 2002 1007.5 1006.2 1002.8 992.7 994.4 986.4 990.5 990.1 999.9 1006.1 1005.7 1003.1 986.4 DAY 22 28 21 4 13 21 26 9 18 12 13 22 2003 1005.6 1002.2 1001.5 999.6 997.9 987.6 987.1 989.9 996.0 1003.9 1004.3 1009.6 987.1 DAY 29 16 13 17 23 30 1 1 12 5 2 6 2004 1003.2 1005.6 1000.4 999.9 992.7 989.0 990.5 990.6 997.9 1007.0 1016.5 1019.0 989.0 DAY 14 15 31 1 14 18 11 15 12 3 24 16 2005 1016.1 1016.8 1011.2 1007.5 1008.0 997.1 1000.1 1003.8 1008.3 1015.7 1018.3 1019.5 997.1 DAY 23 5 24 30 6 27 4 7 6 1 9 24 1956-2005 1001.9 999.3 995.8 992.7 991.2 984.3 983.7 988.0 991.3 1000.4 1003.7 1001.4 983.7 YEAR-DAY 97-17 85-16 1-26 2- 4 61-30 94-30 58-10 59- 3 0- 2 87- 9 92-26 94- 4 58-10 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 103 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF QFE PRESSURE IN HPA AT 1200 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 884.0 883.6 887.7 889.7 895.5 897.5 898.0 ****** 1957 894.4 895.7 892.5 891.8 890.1 887.7 886.9 895.9 898.4 895.8 897.0 896.5 893.6 1958 897.1 896.3 894.5 893.8 893.5 888.1 883.9 887.2 889.7 895.4 899.8 896.8 893.0 1959 896.3 891.7 893.3 893.1 889.5 887.6 883.8 882.9 886.6 893.4 896.5 899.2 891.2 1960 897.2 895.4 891.9 891.8 891.0 885.4 883.0 884.5 890.5 895.7 897.1 898.1 891.8 1961 896.7 894.3 892.1 891.3 888.6 886.3 882.4 885.3 886.8 895.4 896.3 895.7 890.9 1962 896.1 893.9 891.5 890.1 889.1 887.1 884.6 887.4 890.8 895.6 899.0 896.5 891.8 1963 895.9 894.3 890.0 889.5 887.7 886.3 883.8 885.4 890.9 894.5 896.0 896.4 890.9 1964 897.1 893.1 892.0 889.3 889.3 884.7 882.8 883.0 890.0 896.3 897.0 899.1 891.1 1965 894.0 893.1 893.2 889.8 889.9 886.5 884.0 888.8 892.8 895.1 897.8 897.3 891.8 1966 898.0 894.0 892.5 892.2 891.8 886.8 885.0 887.3 891.3 895.7 901.2 896.6 892.7 1967 898.2 894.0 890.8 891.1 891.2 887.2 883.3 885.6 889.4 896.9 896.3 896.3 891.7 1968 894.1 895.5 893.2 892.6 891.9 886.5 885.5 886.9 891.7 896.2 898.8 896.4 892.5 1969 896.2 896.2 893.1 892.4 890.5 887.4 884.3 888.2 892.2 895.2 898.5 897.5 892.6 1970 896.0 895.1 893.9 893.4 890.0 886.1 884.4 884.3 889.7 894.4 897.2 896.4 891.7 1971 897.0 892.3 893.8 890.5 888.0 882.6 884.1 885.0 891.4 895.0 896.8 894.5 890.9 1972 895.3 895.6 892.1 891.0 889.2 886.0 884.4 888.2 891.5 896.0 895.8 896.7 891.8 1973 897.3 893.6 892.7 890.3 887.9 883.4 881.9 885.7 889.9 894.9 896.1 896.8 890.9 1974 894.3 895.2 893.5 889.1 888.5 885.1 883.2 885.0 889.5 896.3 897.1 896.1 891.1 1975 896.1 893.0 891.9 891.9 889.2 885.5 883.4 884.4 889.4 893.1 896.7 896.8 890.9 1976 893.7 893.1 891.8 891.2 888.9 886.3 881.9 885.3 889.5 893.0 898.0 897.2 890.8 1977 894.9 896.7 894.1 889.9 889.2 884.1 881.3 885.4 891.4 894.5 895.3 895.9 891.1 1978 896.1 894.5 892.1 889.3 887.9 884.2 883.8 885.0 889.6 895.6 896.7 896.1 890.9 1979 895.9 892.2 892.2 891.6 891.4 886.8 884.8 887.1 892.1 895.1 897.8 895.5 891.9 1980 894.3 893.4 891.9 890.7 889.0 885.4 885.1 885.4 890.5 893.1 896.1 895.4 890.9 1981 895.5 893.1 891.1 890.0 889.5 886.3 883.9 886.3 891.9 896.3 895.8 896.0 891.3 1982 894.5 892.2 891.9 891.0 891.8 886.7 884.6 884.6 891.8 894.1 895.5 896.7 891.3 1983 895.6 893.7 892.5 891.1 889.0 886.8 884.3 884.1 888.2 894.7 897.8 896.9 891.2 1984 894.9 896.6 892.4 890.3 888.3 884.4 884.2 883.5 890.4 896.4 896.0 897.2 891.2 1985 894.9 890.0 893.2 888.9 889.1 884.5 882.9 887.2 889.8 893.5 896.2 895.2 890.5 1986 895.0 892.5 891.6 890.0 889.8 883.3 885.3 887.1 891.8 894.7 894.2 894.4 890.8 1987 895.0 895.0 889.5 891.5 890.6 887.2 886.2 885.3 889.5 895.4 896.5 895.8 891.5 1988 894.3 893.0 889.9 890.6 888.2 885.4 881.9 884.0 888.7 894.2 895.8 894.7 890.1 1989 894.0 895.3 890.2 891.6 889.8 885.4 884.5 885.9 888.6 893.9 896.0 894.5 890.8 1990 894.4 891.2 893.2 889.0 887.4 884.7 882.9 884.9 888.3 894.4 896.4 895.6 890.2 1991 894.9 894.7 891.3 891.0 886.8 885.4 883.0 884.6 890.3 894.8 896.4 894.6 890.7 1992 894.4 891.3 891.8 889.6 890.3 885.0 883.8 886.2 890.4 893.7 896.2 894.8 890.6 1993 895.1 894.2 892.8 890.4 889.1 885.5 884.4 887.2 889.3 896.8 895.7 897.2 891.5 1994 894.8 891.2 892.3 891.7 889.3 883.0 881.3 883.5 892.1 895.7 894.7 896.7 890.5 1995 896.0 893.2 892.2 890.4 890.1 885.3 880.5 884.6 889.3 894.0 895.0 897.2 890.6 1996 896.0 892.1 890.6 890.9 890.2 885.4 885.1 886.2 887.8 893.9 897.8 897.4 891.1 1997 894.1 893.6 889.6 890.1 890.4 885.4 881.6 885.1 890.1 894.0 895.9 895.1 890.4 1998 893.2 893.0 892.0 890.7 889.6 887.5 883.5 886.6 889.3 893.7 896.3 897.8 891.1 1999 894.8 893.5 890.9 890.6 888.1 885.2 883.1 885.7 888.4 893.2 894.8 898.3 890.6 2000 893.9 893.2 891.4 889.7 885.8 884.7 885.0 885.9 888.3 893.7 896.6 895.8 890.3 2001 895.6 893.2 891.9 889.6 886.3 883.5 882.9 886.8 889.8 893.3 895.3 897.1 890.4 2002 894.9 894.4 892.4 889.3 887.7 885.0 885.5 884.8 890.5 893.9 896.1 894.8 890.8 2003 895.0 891.2 892.0 891.1 890.2 884.6 882.1 886.2 889.4 893.9 896.2 897.4 890.8 2004 892.9 894.6 893.3 890.7 888.2 885.2 885.3 885.0 890.8 896.2 906.8 907.5 893.0 2005 906.6 904.2 902.5 903.8 901.0 895.8 894.5 896.4 899.6 905.7 907.9 908.8 902.2 MEAN 895.6 893.9 892.3 891.0 889.6 885.8 883.9 886.1 890.4 895.0 897.1 896.9 891.5 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 104 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MAX. OF QFE PRESSURE IN HPA AT 1200 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 888.5 887.0 893.3 895.1 900.6 902.6 903.0 ****** DAY ** ** ** ** ** 6 18 30 30 26 20 19 1957 901.0 902.5 897.9 898.5 893.2 890.5 893.4 901.1 906.3 900.0 904.8 902.2 906.3 DAY 4 8 22 16 10 17 31 31 9 31 24 23 1958 901.2 900.4 897.2 898.4 900.5 892.8 888.9 890.6 894.6 899.8 903.9 902.8 903.9 DAY 2 13 28 2 13 2 16 25 30 22 4 5 1959 901.0 897.6 898.8 899.2 895.0 891.8 886.8 886.2 891.8 900.0 900.9 905.7 905.7 DAY 3 3 9 8 4 21 15 28 25 21 22 16 1960 902.9 902.3 899.3 899.8 898.0 889.9 886.4 886.4 893.8 901.3 901.7 904.6 904.6 DAY 19 2 20 24 6 3 29 31 25 30 26 5 1961 904.2 901.4 902.3 896.8 894.0 893.1 886.2 888.4 892.8 901.9 902.0 903.2 904.2 DAY 10 22 4 18 2 10 24 10 29 31 1 3 1962 903.2 901.6 899.4 896.4 894.1 892.4 889.3 890.8 897.7 901.2 904.4 903.1 904.4 DAY 19 11 3 19 17 2 30 9 28 27 23 1 1963 898.4 900.7 898.1 894.7 891.6 896.0 886.3 888.2 896.4 897.6 898.8 901.5 901.5 DAY 6 4 23 2 15 11 24 25 24 11 6 20 1964 904.4 899.4 896.9 896.6 892.8 892.3 886.7 888.1 896.4 899.9 903.2 903.8 904.4 DAY 30 28 23 25 10 2 21 31 29 25 30 3 1965 900.5 899.5 898.4 894.7 896.1 891.9 886.5 891.6 896.6 899.3 901.7 902.0 902.0 DAY 16 1 16 24 21 3 9 9 30 29 28 4 1966 903.0 900.7 900.4 900.0 895.1 893.4 888.8 891.9 894.4 901.6 904.4 904.1 904.4 DAY 1 26 3 5 13 2 11 17 19 31 22 7 1967 904.8 901.0 901.1 898.0 897.6 893.1 888.3 889.2 893.8 901.9 899.6 901.2 904.8 DAY 6 28 3 4 3 16 14 16 26 15 6 12 1968 901.5 902.4 901.6 897.7 896.7 893.6 889.4 893.3 895.7 901.4 904.0 902.9 904.0 DAY 19 7 27 1 2 1 20 30 20 16 24 21 1969 903.2 904.0 897.8 895.6 895.1 894.0 886.9 893.8 898.1 898.5 904.8 901.4 904.8 DAY 9 3 25 25 22 3 14 31 14 5 23 22 1970 902.3 900.0 898.3 897.7 895.3 889.9 888.9 887.6 895.6 900.6 902.7 903.8 903.8 DAY 3 4 26 27 23 16 22 30 22 27 14 30 1971 904.6 898.9 897.8 895.4 891.9 886.8 888.1 887.8 895.5 898.9 902.9 900.9 904.6 DAY 4 4 2 28 3 9 25 21 23 22 20 11 1972 903.6 902.5 897.8 895.5 897.4 892.4 887.7 892.0 895.7 901.9 900.3 904.1 904.1 DAY 5 25 15 8 24 1 21 27 22 26 24 28 1973 906.1 903.7 901.9 894.5 893.9 890.3 885.5 888.0 896.4 898.9 903.1 904.3 906.1 DAY 25 7 10 20 8 3 22 22 29 5 12 22 1974 901.2 901.1 899.8 892.9 894.0 888.1 886.1 886.9 892.8 901.7 903.3 902.2 903.3 DAY 4 5 7 3 2 1 28 23 30 14 18 31 1975 905.9 900.1 897.6 899.1 894.4 889.2 886.5 889.5 895.4 899.3 901.5 902.2 905.9 DAY 15 18 5 4 20 5 27 31 19 25 21 26 1976 900.0 901.5 898.1 897.0 892.2 890.3 884.3 887.8 892.9 898.9 903.3 903.1 903.3 DAY 1 21 27 4 12 21 23 27 26 31 12 13 1977 902.2 902.5 899.2 894.8 892.8 889.4 884.0 889.1 895.3 899.4 901.0 901.9 902.5 DAY 11 15 9 14 14 6 21 23 30 28 27 18 1978 901.6 901.3 895.7 892.5 894.0 890.5 889.8 888.1 893.2 898.4 904.8 902.9 904.8 DAY 13 6 9 6 4 5 8 21 29 10 26 24 1979 903.1 898.1 900.1 898.1 896.3 893.2 887.7 893.8 894.6 900.1 903.7 902.6 903.7 DAY 18 13 5 18 27 5 21 29 30 21 13 22 1980 900.0 899.7 896.0 897.1 892.4 892.1 888.8 890.9 894.7 898.4 900.8 900.4 900.8 DAY 9 1 28 20 1 2 18 31 28 23 26 4 1981 902.2 900.0 900.9 896.9 897.2 892.1 888.5 889.6 895.5 901.0 900.1 901.0 902.2 DAY 9 4 5 20 2 11 30 3 26 25 26 12 1982 901.9 901.4 897.9 898.7 896.9 891.5 887.9 889.9 895.4 898.8 905.3 901.9 905.3 DAY 21 20 31 4 12 7 10 31 21 25 18 9 1983 904.6 900.2 898.3 896.1 892.9 893.7 888.6 887.6 893.5 901.0 904.2 903.8 904.6 DAY 11 23 26 19 5 1 11 8 30 27 5 4 1984 903.4 902.2 898.1 894.3 890.8 888.8 886.9 886.1 894.2 902.2 902.1 901.7 903.4 DAY 4 20 3 1 5 4 22 29 26 21 27 16 1985 899.5 897.0 901.8 893.3 896.0 888.0 886.0 892.1 893.5 897.0 900.6 900.7 901.8 DAY 25 11 11 21 12 2 2 30 30 26 18 31 1986 902.6 899.5 899.0 894.7 895.1 889.2 887.0 890.4 897.0 901.0 901.4 899.0 902.6 DAY 24 22 27 15 20 2 3 29 22 20 15 7 1987 900.0 901.2 895.9 894.9 895.1 893.8 890.7 890.4 895.6 900.6 905.3 905.7 905.7 DAY 12 7 22 22 1 1 28 7 26 28 30 1 1988 903.5 902.5 896.2 897.5 892.3 891.4 885.3 888.0 893.3 898.2 899.7 903.4 903.5 DAY 3 7 17 3 8 1 30 21 30 28 26 29 1989 900.7 901.5 896.2 896.6 894.3 888.3 886.9 889.1 897.4 900.3 899.5 898.3 901.5 DAY 30 8 31 9 4 2 9 31 23 27 26 18 1990 902.4 899.5 900.7 894.1 892.2 889.4 887.3 887.7 892.8 901.5 902.4 903.7 903.7 DAY 26 8 10 25 17 4 15 15 26 19 23 28 1991 902.5 906.1 897.9 895.8 893.2 889.5 887.0 887.8 896.2 897.2 900.8 900.3 906.1 DAY 13 15 29 15 8 21 1 30 28 21 13 7 1992 904.7 897.8 901.5 895.4 894.8 890.3 887.0 891.4 893.9 897.5 901.0 900.5 904.7 DAY 10 16 12 12 28 11 6 31 1 29 4 11 1993 902.6 899.8 898.9 896.1 894.5 891.1 888.5 889.8 892.7 901.9 901.5 902.3 902.6 DAY 6 8 17 1 10 23 27 6 23 16 30 26 1994 901.7 897.9 897.1 901.8 892.0 888.0 884.0 886.0 899.2 900.8 899.3 903.4 903.4 DAY 28 4 18 5 14 1 3 22 23 10 2 8 1995 901.2 896.7 898.7 895.3 897.2 894.9 884.9 887.3 892.8 900.2 899.7 901.4 901.4 DAY 7 14 3 7 26 1 28 25 13 26 28 10 1996 901.0 896.9 895.2 898.1 895.0 888.4 890.6 890.1 894.2 900.2 906.3 902.8 906.3 DAY 28 13 1 7 8 28 3 30 25 20 18 7 1997 901.2 897.5 900.0 895.8 895.8 889.6 884.2 888.2 894.5 898.2 902.0 902.7 902.7 DAY 19 7 11 14 7 1 9 28 18 12 8 28 1998 900.1 900.2 897.5 897.7 895.8 891.6 887.9 888.5 893.3 898.3 900.4 903.6 903.6 DAY 4 23 27 12 7 5 22 8 13 26 21 9 1999 903.0 898.8 896.8 894.3 892.8 891.5 885.8 891.0 895.4 895.9 901.2 903.5 903.5 DAY 2 12 19 12 30 1 31 20 30 10 14 6 2000 900.2 899.6 895.0 894.3 891.1 889.5 889.7 889.3 892.6 898.1 903.8 902.2 903.8 DAY 31 11 4 3 5 3 20 23 29 16 17 17 2001 900.6 900.9 899.5 896.0 890.6 889.6 887.3 891.2 896.6 898.3 901.0 901.9 901.9 DAY 29 9 1 4 12 2 31 14 22 10 20 18 2002 900.8 901.1 902.6 898.4 891.4 889.9 888.5 888.2 893.9 896.9 902.9 901.9 902.9 DAY 26 5 11 1 10 25 3 1 21 10 18 4 2003 900.5 898.3 902.0 895.9 896.3 889.6 885.7 889.2 896.2 897.1 905.0 904.9 905.0 DAY 12 6 3 7 2 1 3 4 27 15 25 12 2004 899.1 901.4 898.9 895.5 891.7 891.4 888.6 888.7 895.7 899.8 912.4 917.0 917.0 DAY 12 10 23 12 3 2 17 31 27 27 29 4 2005 912.6 912.1 906.4 910.8 904.4 901.6 897.2 899.9 902.6 910.0 912.4 914.3 914.3 DAY 13 15 27 9 23 6 19 27 26 24 27 30 1956-2005 912.6 912.1 906.4 910.8 904.4 901.6 897.2 901.1 906.3 910.0 912.4 917.0 917.0 YEAR-DAY 5-13 5-15 5-27 5- 9 5-23 5- 6 5-19 57-31 57- 9 5-24 4-29 4- 4 4- 4 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 105 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MIN. OF QFE PRESSURE IN HPA AT 1200 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 879.2 879.5 883.4 886.1 889.7 890.6 891.7 ****** DAY ** ** ** ** ** 2 15 4 10 28 8 11 1957 886.4 885.3 884.8 886.7 886.8 882.4 880.4 889.7 889.8 890.0 891.2 889.8 880.4 DAY 12 5 16 4 21 6 14 8 28 4 18 7 1958 894.8 893.2 893.2 891.8 891.8 884.0 875.2 883.4 886.0 891.4 891.6 891.2 875.2 DAY 6 5 10 30 2 21 10 2 3 9 7 1 1959 885.0 882.8 888.2 888.2 882.2 878.8 880.0 878.8 882.5 886.7 890.5 891.7 878.8 DAY 23 17 1 19 24 28 2 3 6 30 25 12 1960 891.1 889.3 883.9 887.0 881.9 880.1 878.4 881.5 883.5 888.6 889.4 891.9 878.4 DAY 27 29 9 20 31 21 1 12 2 11 20 30 1961 890.9 886.6 885.7 883.8 879.8 879.5 879.6 881.2 883.0 889.5 891.2 888.1 879.5 DAY 27 17 13 9 30 6 15 8 11 2 24 22 1962 889.3 889.3 884.5 882.5 884.5 880.8 881.3 883.5 885.0 889.0 895.0 890.8 880.8 DAY 27 18 29 5 25 10 13 2 17 9 3 25 1963 891.9 889.1 883.0 881.0 881.8 880.0 881.2 882.1 885.2 891.1 891.0 887.4 880.0 DAY 31 13 13 15 11 17 5 7 7 2 25 11 1964 881.1 888.9 886.2 882.2 883.7 877.2 878.8 877.9 885.1 889.0 886.3 892.4 877.2 DAY 19 10 4 9 12 29 11 2 2 3 27 24 1965 887.6 885.8 887.5 882.8 885.9 880.7 880.7 885.4 889.0 887.0 892.2 890.4 880.7 DAY 10 9 23 21 30 24 12 1 22 25 9 20 1966 893.0 889.3 881.1 885.6 887.3 880.1 882.1 882.3 887.8 889.8 897.9 889.1 880.1 DAY 27 15 20 14 29 27 17 5 13 15 30 12 1967 890.8 885.7 879.7 884.5 886.3 882.7 878.1 881.8 885.4 888.3 893.0 885.5 878.1 DAY 21 6 24 26 19 19 10 5 7 3 27 23 1968 887.3 886.1 885.7 886.3 887.4 879.7 880.1 883.2 886.1 890.5 892.4 889.6 879.7 DAY 22 3 18 24 17 23 12 14 7 5 18 9 1969 887.0 890.0 887.1 886.2 885.7 882.4 882.0 882.8 886.2 889.1 891.2 890.3 882.0 DAY 25 14 21 17 2 22 23 8 11 28 9 14 1970 888.6 886.7 889.8 888.5 884.9 882.2 880.8 880.8 884.6 887.4 892.8 887.8 880.8 DAY 12 23 23 19 30 9 1 7 1 8 30 14 1971 888.4 886.8 885.4 887.1 883.6 876.9 881.4 881.7 885.7 889.5 891.5 886.0 876.9 DAY 14 13 20 25 27 5 23 9 2 1 11 20 1972 888.2 887.0 884.9 886.1 884.0 878.7 879.3 879.7 885.1 893.1 891.3 890.1 878.7 DAY 29 9 2 25 4 24 5 1 11 17 8 17 1973 888.0 885.4 886.4 884.7 882.6 876.7 877.4 883.2 885.9 891.3 890.6 887.4 876.7 DAY 16 22 7 24 30 15 16 13 3 18 3 7 1974 885.2 888.7 887.3 883.5 883.5 881.1 878.7 880.9 883.5 894.0 891.1 889.0 878.7 DAY 18 12 31 29 27 3 20 11 3 18 26 13 1975 889.9 885.9 885.9 885.0 885.4 881.8 881.5 879.1 884.3 886.8 884.3 891.3 879.1 DAY 5 6 19 15 25 30 17 14 10 3 29 23 1976 889.3 885.9 885.5 887.8 884.5 881.8 878.5 882.8 885.5 887.7 884.3 889.0 878.5 DAY 30 5 11 5 7 6 19 1 18 18 29 31 1977 888.2 889.1 887.2 883.7 884.1 878.8 876.4 880.7 888.7 889.3 886.6 890.8 876.4 DAY 17 25 30 8 25 23 2 18 3 5 17 9 1978 887.4 888.4 885.2 884.9 879.9 874.1 878.0 882.0 882.5 889.5 890.4 888.8 874.1 DAY 21 12 15 19 30 22 2 7 2 1 11 15 1979 888.3 886.7 884.5 886.8 885.9 881.2 881.4 882.9 887.4 890.5 887.9 888.0 881.2 DAY 11 11 31 12 8 22 6 6 5 4 29 16 1980 885.7 885.6 880.8 887.1 885.4 880.0 882.7 881.1 887.2 890.2 890.0 889.1 880.0 DAY 24 25 2 26 29 17 3 11 19 26 25 10 1981 885.2 886.9 885.1 884.0 883.5 882.1 878.3 883.0 886.4 890.3 892.3 889.2 878.3 DAY 3 12 13 29 12 16 2 12 22 17 23 26 1982 883.5 885.0 885.8 883.1 887.8 881.9 876.7 877.5 886.9 889.4 890.7 888.3 876.7 DAY 17 14 7 18 23 25 31 1 13 1 7 7 1983 886.6 885.7 887.0 886.6 885.0 881.2 879.7 880.7 883.3 888.2 893.7 887.1 879.7 DAY 24 28 23 1 12 29 27 5 9 5 12 27 1984 886.4 886.8 885.2 884.3 883.6 880.4 881.1 881.9 884.0 889.5 891.0 889.4 880.4 DAY 29 8 15 26 29 7 15 8 1 18 14 7 1985 890.4 882.6 885.0 884.5 884.3 881.0 880.7 883.3 885.2 887.6 892.5 886.8 880.7 DAY 17 16 25 11 21 19 27 7 8 11 6 19 1986 883.9 885.0 885.2 885.0 884.4 878.0 882.1 883.6 888.5 891.3 887.0 887.6 878.0 DAY 20 16 11 30 10 20 21 4 5 25 7 20 1987 887.0 888.1 882.8 887.2 886.1 882.4 880.3 881.4 885.6 888.6 891.1 887.1 880.3 DAY 2 10 14 4 28 11 3 29 2 9 7 31 1988 884.6 886.7 885.2 886.2 884.9 879.0 877.8 880.8 883.4 888.5 889.6 886.8 877.8 DAY 19 25 5 23 24 25 8 4 1 7 20 26 1989 886.1 886.5 884.1 887.2 884.6 880.0 882.8 881.9 883.2 888.5 893.0 890.0 880.0 DAY 12 14 29 23 31 7 18 1 12 2 20 5 1990 887.4 884.3 885.6 883.6 880.7 880.1 877.2 882.3 884.6 888.5 889.8 886.1 877.2 DAY 2 24 25 16 13 27 5 8 3 2 1 25 1991 886.0 889.7 882.8 885.2 882.0 879.9 877.3 881.1 885.3 891.4 890.6 888.8 877.3 DAY 26 7 7 10 28 12 14 12 3 5 6 22 1992 887.9 885.2 884.5 884.2 887.1 876.5 881.1 881.0 887.5 888.4 887.9 888.7 876.5 DAY 25 11 31 18 4 27 19 1 8 7 26 4 1993 885.2 887.0 883.2 884.4 881.5 881.7 880.7 882.9 886.0 889.0 888.8 892.5 880.7 DAY 14 23 22 13 29 3 14 12 3 3 14 4 1994 888.0 885.4 887.8 885.3 886.4 877.5 878.6 879.3 884.0 890.4 888.7 886.1 877.5 DAY 16 12 12 3 27 29 20 1 1 3 26 4 1995 889.1 886.2 883.9 886.3 883.5 879.8 876.7 880.6 886.1 889.3 888.8 891.3 876.7 DAY 1 24 27 25 14 17 16 3 19 7 26 25 1996 890.4 885.3 884.8 885.6 885.4 882.8 882.5 882.2 881.2 887.6 892.9 889.5 881.2 DAY 12 5 14 10 29 6 25 7 20 6 28 15 1997 884.0 888.5 883.2 885.5 884.9 880.8 877.5 882.0 885.4 890.8 890.5 887.6 877.5 DAY 17 27 17 11 5 19 16 5 2 23 13 10 1998 881.0 882.3 885.1 885.3 881.9 882.7 877.1 883.8 884.7 887.8 892.1 891.9 877.1 DAY 13 13 15 6 30 30 8 13 6 2 1 21 1999 887.7 885.7 886.2 887.0 882.0 878.5 880.8 882.0 884.0 890.8 889.2 891.7 878.5 DAY 18 6 3 18 21 25 10 6 16 22 1 16 2000 887.0 885.8 885.6 886.3 881.6 879.5 880.2 882.3 881.0 888.9 887.7 888.8 879.5 DAY 21 7 2 29 27 25 9 31 1 2 6 15 2001 889.9 884.4 882.5 885.4 880.1 879.5 878.2 882.3 884.4 889.1 889.7 890.0 878.2 DAY 18 21 26 10 26 18 18 27 1 2 17 5 2002 887.4 889.0 887.2 881.2 883.0 877.6 881.1 881.2 887.5 891.5 890.0 886.3 877.6 DAY 22 25 23 4 13 21 25 17 10 12 13 22 2003 888.6 883.6 885.5 885.9 885.6 878.0 878.1 880.9 884.7 890.0 888.6 890.7 878.0 DAY 29 17 13 17 23 30 25 1 12 5 14 6 2004 884.0 889.4 884.8 885.9 881.3 879.5 880.4 881.2 885.9 892.3 901.4 900.4 879.5 DAY 27 15 31 1 13 17 11 15 11 3 24 15 2005 896.2 897.6 894.1 895.6 893.6 887.5 889.5 892.7 895.6 900.6 902.1 902.1 887.5 DAY 23 5 24 30 6 27 4 7 5 4 9 24 1956-2005 881.0 882.3 879.7 881.0 879.8 874.1 875.2 877.5 881.0 886.7 884.3 885.5 874.1 YEAR-DAY 98-13 98-13 67-24 63-15 61-30 78-22 58-10 82- 1 0- 1 59-30 75-29 67-23 78-22 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 106 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF QNH PRESSURE IN HPA AT 1200 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1004.6 1004.2 1008.8 1011.0 1017.4 1019.6 1020.2 ****** 1957 1016.2 1017.7 1014.1 1013.4 1011.4 1008.8 1007.9 1017.9 1020.7 1017.8 1019.1 1018.5 1015.3 1958 1019.2 1018.3 1016.3 1015.6 1015.2 1009.2 1004.5 1008.3 1011.0 1017.3 1022.1 1018.9 1014.7 1959 1018.3 1013.2 1014.9 1014.7 1010.8 1008.7 1004.4 1003.5 1007.6 1015.1 1018.6 1021.5 1012.6 1960 1019.4 1017.3 1013.5 1013.3 1012.4 1006.2 1003.6 1005.2 1011.9 1017.6 1019.2 1020.3 1013.3 1961 1018.8 1016.1 1013.6 1012.7 1009.7 1007.2 1002.9 1006.1 1007.8 1017.3 1018.4 1017.6 1012.4 1962 1018.1 1015.6 1013.0 1011.4 1010.4 1008.1 1005.4 1008.5 1012.2 1017.5 1021.3 1018.6 1013.3 1963 1017.8 1016.1 1011.4 1010.8 1008.7 1007.2 1004.4 1006.3 1012.3 1016.3 1018.0 1018.4 1012.3 1964 1019.2 1014.7 1013.6 1010.5 1010.5 1005.4 1003.3 1003.6 1011.3 1018.3 1019.1 1021.5 1012.6 1965 1015.7 1014.7 1014.9 1011.1 1011.2 1007.4 1004.6 1010.0 1014.4 1016.9 1020.0 1019.4 1013.4 1966 1020.2 1015.8 1014.1 1013.7 1013.3 1007.8 1005.8 1008.3 1012.8 1017.7 1023.8 1018.7 1014.3 1967 1020.4 1015.7 1012.2 1012.6 1012.7 1008.2 1003.9 1006.4 1010.7 1019.0 1018.3 1018.3 1013.2 1968 1015.9 1017.4 1014.9 1014.3 1013.4 1007.5 1006.4 1007.9 1013.2 1018.3 1021.1 1018.5 1014.1 1969 1018.2 1018.2 1014.7 1014.0 1011.8 1008.5 1004.9 1009.3 1013.8 1017.1 1020.7 1019.7 1014.3 1970 1018.0 1016.9 1015.7 1015.1 1011.4 1007.0 1005.2 1004.9 1011.0 1016.2 1019.3 1018.5 1013.3 1971 1019.1 1013.8 1015.5 1011.9 1009.1 1003.1 1004.7 1005.8 1012.9 1016.9 1018.8 1016.3 1012.3 1972 1017.2 1017.5 1013.6 1012.5 1010.4 1006.9 1005.1 1009.3 1012.9 1018.0 1017.8 1018.8 1013.3 1973 1019.4 1015.3 1014.3 1011.7 1009.0 1004.0 1002.4 1006.5 1011.2 1016.7 1018.1 1018.8 1012.3 1974 1016.1 1017.1 1015.2 1010.3 1009.7 1005.9 1003.8 1005.7 1010.8 1018.3 1019.3 1018.0 1012.5 1975 1018.0 1014.6 1013.4 1013.5 1010.4 1006.4 1004.1 1005.1 1010.7 1014.7 1018.7 1018.9 1012.4 1976 1015.4 1014.8 1013.3 1012.7 1010.1 1007.3 1002.3 1006.1 1010.7 1014.6 1020.2 1019.3 1012.2 1977 1016.8 1018.7 1015.9 1011.2 1010.4 1004.8 1001.7 1006.2 1012.8 1016.3 1017.2 1017.8 1012.5 1978 1018.1 1016.3 1013.6 1010.6 1009.0 1004.9 1004.5 1005.8 1010.8 1017.5 1018.7 1018.1 1012.3 1979 1017.9 1013.7 1013.8 1013.1 1012.9 1007.7 1005.6 1008.1 1013.7 1017.0 1020.0 1017.5 1013.4 1980 1016.1 1015.1 1013.4 1012.1 1010.3 1006.2 1005.9 1006.3 1011.9 1014.8 1018.0 1017.4 1012.3 1981 1017.4 1014.8 1012.5 1011.4 1010.7 1007.2 1004.6 1007.2 1013.4 1018.3 1017.7 1018.0 1012.8 1982 1016.3 1013.8 1013.4 1012.5 1013.4 1007.6 1005.3 1005.4 1013.3 1015.9 1017.5 1018.8 1012.8 1983 1017.5 1015.4 1014.1 1012.6 1010.3 1007.8 1005.1 1004.8 1009.3 1016.5 1020.0 1018.9 1012.7 1984 1016.8 1018.7 1014.0 1011.6 1009.4 1005.1 1004.9 1004.1 1011.8 1018.4 1018.0 1019.3 1012.7 1985 1016.8 1011.4 1014.9 1010.1 1010.3 1005.3 1003.5 1008.2 1011.2 1015.2 1018.2 1017.1 1011.8 1986 1016.9 1014.1 1013.1 1011.4 1011.1 1003.9 1006.1 1008.1 1013.4 1016.6 1016.0 1016.2 1012.2 1987 1016.9 1016.9 1010.8 1013.0 1012.0 1008.2 1007.1 1006.1 1010.7 1017.3 1018.6 1017.8 1012.9 1988 1016.1 1014.7 1011.3 1012.0 1009.4 1006.2 1002.3 1004.6 1009.9 1016.0 1017.7 1016.5 1011.4 1989 1015.7 1017.2 1011.6 1013.1 1011.1 1006.2 1005.2 1006.8 1009.7 1015.7 1018.0 1016.3 1012.2 1990 1016.2 1012.7 1014.9 1010.2 1008.4 1005.4 1003.4 1005.6 1009.5 1016.2 1018.4 1017.5 1011.5 1991 1016.8 1016.5 1012.8 1012.4 1007.8 1006.3 1003.5 1005.4 1011.7 1016.7 1018.4 1016.4 1012.1 1992 1016.2 1012.7 1013.3 1010.9 1011.6 1005.8 1004.4 1007.1 1011.8 1015.4 1018.2 1016.7 1012.0 1993 1016.9 1016.0 1014.4 1011.8 1010.3 1006.3 1005.2 1008.2 1010.5 1018.9 1017.6 1019.4 1013.0 1994 1016.6 1012.6 1013.8 1013.3 1010.6 1003.6 1001.7 1004.2 1013.6 1017.6 1016.5 1018.7 1011.9 1995 1018.0 1014.9 1013.8 1011.7 1011.4 1006.1 1000.8 1005.3 1010.6 1015.8 1016.8 1019.3 1012.0 1996 1018.0 1013.7 1012.0 1012.3 1011.5 1006.2 1005.9 1007.1 1008.9 1015.6 1020.0 1019.5 1012.6 1997 1015.8 1015.3 1010.9 1011.5 1011.7 1006.2 1002.0 1005.9 1011.4 1015.8 1017.8 1016.9 1011.8 1998 1014.9 1014.6 1013.5 1012.1 1010.9 1008.6 1004.1 1007.5 1010.6 1015.4 1018.3 1020.0 1012.5 1999 1016.7 1015.3 1012.4 1012.0 1009.3 1006.0 1003.6 1006.6 1009.5 1014.9 1016.6 1020.6 1011.9 2000 1015.7 1014.9 1012.9 1011.0 1006.7 1005.4 1005.8 1006.8 1009.4 1015.4 1018.6 1017.8 1011.7 2001 1017.6 1014.9 1013.4 1010.9 1007.2 1004.1 1003.4 1007.7 1011.1 1015.0 1017.2 1019.2 1011.8 2002 1016.8 1016.2 1014.0 1010.6 1008.7 1005.8 1006.3 1005.5 1011.9 1015.6 1018.1 1016.7 1012.2 2003 1016.9 1012.7 1013.6 1012.6 1011.6 1005.3 1002.6 1007.2 1010.6 1015.6 1018.2 1019.6 1012.2 2004 1014.5 1016.5 1015.0 1012.1 1009.3 1006.0 1006.1 1005.8 1012.2 1018.2 1030.0 1030.7 1014.7 2005 1029.7 1027.1 1025.2 1026.6 1023.5 1017.7 1016.3 1018.5 1021.9 1028.8 1031.2 1032.2 1024.9 MEAN 1017.5 1015.7 1013.9 1012.5 1010.9 1006.6 1004.6 1007.0 1011.8 1016.9 1019.2 1019.0 1013.0 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 107 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MAX. OF QNH PRESSURE IN HPA AT 1200 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1009.7 1008.0 1015.0 1017.0 1023.1 1025.3 1025.7 ****** DAY ** ** ** ** ** 6 18 30 30 26 20 19 1957 1023.5 1025.2 1020.1 1020.8 1014.9 1011.9 1015.1 1023.6 1029.4 1022.4 1027.7 1024.9 1029.4 DAY 4 8 22 16 10 17 31 31 9 31 24 23 1958 1023.7 1022.9 1019.3 1020.6 1023.0 1014.4 1010.1 1012.0 1016.4 1022.2 1026.7 1025.5 1026.7 DAY 2 13 28 2 13 2 16 25 30 22 4 5 1959 1023.5 1019.8 1021.1 1021.5 1016.9 1013.3 1007.8 1007.1 1013.3 1022.4 1023.4 1028.7 1028.7 DAY 3 3 9 8 4 21 15 28 25 21 22 16 1960 1025.6 1025.0 1021.6 1022.2 1020.2 1011.2 1007.3 1007.3 1015.5 1023.9 1024.3 1027.5 1027.5 DAY 19 2 20 24 6 3 29 31 25 30 26 5 1961 1027.1 1024.0 1025.0 1018.9 1015.8 1014.8 1007.1 1009.6 1014.4 1024.5 1024.6 1026.0 1027.1 DAY 10 22 4 18 2 10 24 10 29 31 1 3 1962 1026.0 1024.2 1021.8 1018.4 1015.9 1014.0 1010.6 1012.2 1019.9 1023.7 1027.3 1025.9 1027.3 DAY 19 11 3 19 17 2 30 9 28 27 23 1 1963 1020.6 1023.2 1020.3 1016.5 1013.1 1018.0 1007.2 1009.3 1018.4 1019.8 1021.1 1024.1 1024.1 DAY 6 4 23 2 15 11 24 25 24 11 6 20 1964 1027.3 1021.8 1019.0 1018.7 1014.4 1013.9 1007.7 1009.2 1018.4 1022.3 1026.0 1026.6 1027.3 DAY 30 28 23 25 10 2 21 31 29 25 30 3 1965 1023.0 1021.9 1020.6 1016.5 1018.1 1013.4 1007.4 1013.1 1018.7 1021.6 1024.3 1024.6 1024.6 DAY 16 1 16 24 21 3 9 9 30 29 28 4 1966 1025.7 1023.2 1022.9 1022.4 1017.0 1015.1 1010.0 1013.4 1016.2 1024.2 1027.3 1027.0 1027.3 DAY 1 26 3 5 13 2 11 17 19 31 22 7 1967 1027.7 1023.5 1023.6 1020.2 1019.8 1014.8 1009.4 1010.4 1015.5 1024.5 1022.0 1023.7 1027.7 DAY 6 28 3 4 3 16 14 16 26 15 6 12 1968 1024.1 1025.1 1024.2 1019.9 1018.8 1015.3 1010.7 1015.0 1017.7 1024.0 1026.9 1025.6 1026.9 DAY 19 7 27 1 2 1 20 30 20 16 24 21 1969 1026.0 1026.9 1020.0 1017.5 1017.0 1015.8 1007.9 1015.5 1020.3 1020.8 1027.7 1024.0 1027.7 DAY 9 3 25 25 22 3 14 31 14 5 23 22 1970 1025.0 1022.4 1020.5 1019.9 1017.2 1011.2 1010.1 1008.7 1017.5 1023.1 1025.4 1026.6 1026.6 DAY 3 4 26 27 23 16 22 30 22 27 14 30 1971 1027.5 1021.2 1020.0 1017.3 1013.4 1007.8 1009.2 1008.9 1017.4 1021.2 1025.6 1023.4 1027.5 DAY 4 4 2 28 3 9 25 21 23 22 20 11 1972 1026.4 1025.2 1020.0 1017.4 1019.5 1014.0 1008.8 1013.5 1017.7 1024.5 1022.8 1027.0 1027.0 DAY 5 25 15 8 24 1 21 27 22 26 24 28 1973 1029.2 1026.5 1024.5 1016.3 1015.7 1011.7 1006.3 1009.1 1018.4 1021.2 1025.9 1027.2 1029.2 DAY 25 7 10 20 8 3 22 22 29 5 12 22 1974 1023.7 1023.6 1022.2 1014.5 1015.8 1009.2 1007.0 1007.9 1014.4 1024.3 1026.1 1024.9 1026.1 DAY 4 5 7 3 2 1 28 23 30 14 18 31 1975 1029.0 1022.5 1019.8 1021.4 1016.2 1010.4 1007.4 1010.8 1017.3 1021.6 1024.1 1024.9 1029.0 DAY 15 18 5 4 20 5 27 31 19 25 21 26 1976 1022.4 1024.1 1020.3 1019.1 1013.8 1011.7 1005.0 1008.9 1014.5 1021.2 1026.1 1025.9 1026.1 DAY 1 21 27 4 12 21 23 27 26 31 12 13 1977 1024.9 1025.2 1021.5 1016.7 1014.4 1010.7 1004.7 1010.3 1017.2 1021.8 1023.5 1024.5 1025.2 DAY 11 15 9 14 14 6 21 23 30 28 27 18 1978 1024.2 1023.9 1017.7 1014.1 1015.8 1011.9 1011.1 1009.2 1014.9 1020.6 1027.7 1025.6 1027.7 DAY 13 6 9 6 4 5 8 21 29 10 26 24 1979 1025.9 1020.3 1022.5 1020.3 1018.3 1014.9 1008.8 1015.5 1016.4 1022.5 1026.5 1025.3 1026.5 DAY 18 13 5 18 27 5 21 29 30 21 13 22 1980 1022.4 1022.1 1018.0 1019.2 1014.0 1013.7 1010.0 1012.3 1016.5 1020.6 1023.3 1022.9 1023.3 DAY 9 1 28 20 1 2 18 31 28 23 26 4 1981 1024.9 1022.4 1023.4 1019.0 1019.3 1013.7 1009.7 1010.9 1017.4 1023.5 1022.5 1023.5 1024.9 DAY 9 4 5 20 2 11 30 3 26 25 26 12 1982 1024.5 1024.0 1020.1 1021.0 1019.0 1013.0 1009.0 1011.2 1017.3 1021.1 1028.3 1024.5 1028.3 DAY 21 20 31 4 12 7 10 31 21 25 18 9 1983 1027.5 1022.6 1020.5 1018.1 1014.5 1015.4 1009.8 1008.7 1015.2 1023.5 1027.1 1026.6 1027.5 DAY 11 23 26 19 5 1 11 8 30 27 5 4 1984 1026.2 1024.9 1020.3 1016.1 1012.2 1010.0 1007.9 1007.0 1016.0 1024.9 1024.8 1024.3 1026.2 DAY 4 20 3 1 5 4 22 29 26 21 27 16 1985 1021.9 1019.1 1024.4 1015.0 1018.0 1009.1 1006.9 1013.7 1015.2 1019.1 1023.1 1023.2 1024.4 DAY 25 11 11 21 12 2 2 30 30 26 18 31 1986 1025.3 1021.9 1021.3 1016.5 1017.0 1010.4 1008.0 1011.8 1019.1 1023.5 1024.0 1021.3 1025.3 DAY 24 22 27 15 20 2 3 29 22 20 15 7 1987 1022.4 1023.7 1017.9 1016.8 1017.0 1015.5 1012.1 1011.8 1017.5 1023.1 1028.3 1028.7 1028.7 DAY 12 7 22 22 1 1 28 7 26 28 30 1 1988 1026.3 1025.2 1018.2 1019.6 1013.9 1012.9 1006.1 1009.1 1015.0 1020.4 1022.1 1026.2 1026.3 DAY 3 7 17 3 8 1 30 21 30 28 26 29 1989 1023.2 1024.1 1018.2 1018.7 1016.1 1009.4 1007.9 1010.3 1019.5 1022.8 1021.9 1020.5 1024.1 DAY 30 8 31 9 4 2 9 31 23 27 26 18 1990 1025.1 1021.9 1023.2 1015.9 1013.8 1010.7 1008.3 1008.8 1014.4 1024.1 1025.1 1026.5 1026.5 DAY 26 8 10 25 17 4 15 15 26 19 23 28 1991 1025.2 1029.2 1020.1 1017.8 1014.9 1010.8 1008.0 1008.9 1018.2 1019.3 1023.3 1022.8 1029.2 DAY 13 15 29 15 8 21 1 30 28 21 13 7 1992 1027.6 1020.0 1024.1 1017.3 1016.7 1011.7 1008.0 1012.9 1015.7 1019.6 1023.5 1023.0 1027.6 DAY 10 16 12 12 28 11 6 31 1 29 4 11 1993 1025.3 1022.2 1021.2 1018.1 1016.3 1012.5 1009.7 1011.1 1014.3 1024.5 1024.1 1025.0 1025.3 DAY 6 8 17 1 10 23 27 6 23 16 30 26 1994 1024.3 1020.1 1019.2 1024.4 1013.5 1009.1 1004.7 1006.9 1021.5 1023.3 1021.6 1026.2 1026.2 DAY 28 4 18 5 14 1 3 22 23 10 2 8 1995 1023.7 1018.8 1021.0 1017.2 1019.3 1016.8 1005.7 1008.3 1014.4 1022.6 1022.1 1024.0 1024.0 DAY 7 14 3 7 26 1 28 25 13 26 28 10 1996 1023.5 1019.0 1017.1 1020.3 1016.9 1009.6 1012.0 1011.4 1016.0 1022.6 1029.4 1025.5 1029.4 DAY 28 13 1 7 8 28 3 30 25 20 18 7 1997 1023.7 1019.6 1022.4 1017.8 1017.8 1010.9 1004.9 1009.3 1016.3 1020.4 1024.6 1025.4 1025.4 DAY 19 7 11 14 7 1 9 28 18 12 8 28 1998 1022.5 1022.6 1019.6 1019.9 1017.8 1013.1 1009.0 1009.7 1015.0 1020.5 1022.9 1026.4 1026.4 DAY 4 23 27 12 7 5 22 8 13 26 21 9 1999 1025.7 1021.1 1018.9 1016.1 1014.4 1013.0 1006.7 1012.4 1017.3 1017.9 1023.7 1026.3 1026.3 DAY 2 12 19 12 30 1 31 20 30 10 14 6 2000 1022.6 1022.0 1016.9 1016.1 1012.5 1010.8 1011.0 1010.6 1014.2 1020.3 1026.6 1024.9 1026.6 DAY 31 11 4 3 5 3 20 23 29 16 17 17 2001 1023.1 1023.4 1021.9 1018.0 1012.0 1010.9 1008.3 1012.7 1018.7 1020.5 1023.5 1024.5 1024.5 DAY 29 9 1 4 12 2 31 14 22 10 20 18 2002 1023.3 1023.6 1025.3 1020.6 1012.9 1011.2 1009.7 1009.3 1015.7 1019.0 1025.6 1024.5 1025.6 DAY 26 5 11 1 10 25 3 1 21 10 18 4 2003 1023.0 1020.5 1024.6 1017.9 1018.3 1010.9 1006.6 1010.4 1018.2 1019.2 1028.0 1027.9 1028.0 DAY 12 6 3 7 2 1 3 4 27 15 25 12 2004 1021.4 1024.0 1021.2 1017.4 1013.2 1012.9 1009.8 1009.9 1017.7 1022.2 1036.2 1041.3 1041.3 DAY 12 10 23 12 3 2 17 31 27 27 29 4 2005 1036.4 1035.8 1029.5 1034.4 1027.3 1024.2 1019.3 1022.3 1025.3 1033.5 1036.2 1038.3 1038.3 DAY 13 15 27 9 23 6 19 27 26 24 27 30 1956-2005 1036.4 1035.8 1029.5 1034.4 1027.3 1024.2 1019.3 1023.6 1029.4 1033.5 1036.2 1041.3 1041.3 YEAR-DAY 5-13 5-15 5-27 5- 9 5-23 5- 6 5-19 57-31 57- 9 5-24 4-29 4- 4 4- 4 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 108 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MIN. OF QNH PRESSURE IN HPA AT 1200 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 999.3 999.7 1004.0 1007.0 1011.0 1012.0 1013.2 ****** DAY ** ** ** ** ** 2 15 4 10 28 8 11 1957 1007.3 1006.1 1005.6 1007.7 1007.8 1002.9 1000.7 1011.0 1011.1 1011.3 1012.7 1011.1 1000.7 DAY 12 5 16 4 21 6 14 8 28 4 18 7 1958 1016.7 1014.9 1014.9 1013.3 1013.3 1004.7 994.9 1004.0 1006.9 1012.9 1013.1 1012.7 994.9 DAY 6 5 10 30 2 21 10 2 3 9 7 1 1959 1005.8 1003.3 1009.3 1009.3 1002.7 998.9 1000.2 998.9 1003.0 1007.7 1011.9 1013.2 998.9 DAY 23 17 1 19 24 28 2 3 6 30 25 12 1960 1012.5 1010.6 1004.6 1008.0 1002.3 1000.3 998.5 1001.9 1004.1 1009.8 1010.7 1013.4 998.5 DAY 27 29 9 20 31 21 1 12 2 11 20 30 1961 1012.3 1007.6 1006.6 1004.4 1000.0 999.7 999.8 1001.6 1003.6 1010.8 1012.7 1009.2 999.7 DAY 27 17 13 9 30 6 15 8 11 2 24 22 1962 1010.6 1010.6 1005.2 1003.0 1005.2 1001.1 1001.7 1004.1 1005.8 1010.2 1016.9 1012.2 1001.1 DAY 27 18 29 5 25 10 13 2 17 9 3 25 1963 1013.4 1010.3 1003.6 1001.3 1002.2 1000.2 1001.6 1002.6 1006.0 1012.5 1012.4 1008.4 1000.2 DAY 31 13 13 15 11 17 5 7 7 2 25 11 1964 1001.5 1010.1 1007.1 1002.7 1004.3 997.1 998.9 997.9 1005.9 1010.2 1007.2 1014.0 997.1 DAY 19 10 4 9 12 29 11 2 2 3 27 24 1965 1008.7 1006.7 1008.6 1003.3 1006.8 1001.0 1001.0 1006.2 1010.2 1008.0 1013.8 1011.8 1001.0 DAY 10 9 23 21 30 24 12 1 22 25 9 20 1966 1014.7 1010.6 1001.5 1006.4 1008.3 1000.3 1002.6 1002.8 1008.9 1011.1 1020.1 1010.3 1000.3 DAY 27 15 20 14 29 27 17 5 13 15 30 12 1967 1012.2 1006.6 999.9 1005.2 1007.2 1003.2 998.1 1002.2 1006.2 1009.4 1014.7 1006.3 998.1 DAY 21 6 24 26 19 19 10 5 7 3 27 23 1968 1008.3 1007.0 1006.6 1007.2 1008.4 999.9 1000.3 1003.8 1007.0 1011.9 1014.0 1010.9 999.9 DAY 22 3 18 24 17 23 12 14 7 5 18 9 1969 1008.0 1011.3 1008.1 1007.1 1006.6 1002.9 1002.5 1003.3 1007.1 1010.3 1012.7 1011.7 1002.5 DAY 25 14 21 17 2 22 23 8 11 28 9 14 1970 1009.8 1007.7 1011.1 1009.7 1005.7 1002.7 1001.1 1001.1 1005.3 1008.4 1014.4 1008.9 1001.1 DAY 12 23 23 19 30 9 1 7 1 8 30 14 1971 1009.6 1007.8 1006.2 1008.1 1004.2 996.8 1001.8 1002.1 1006.6 1010.8 1013.0 1006.9 996.8 DAY 14 13 20 25 27 5 23 9 2 1 11 20 1972 1009.3 1008.0 1005.7 1007.0 1004.7 998.8 999.5 999.9 1005.9 1014.8 1012.8 1011.4 998.8 DAY 29 9 2 25 4 24 5 1 11 17 8 17 1973 1009.1 1006.2 1007.3 1005.4 1003.1 996.6 997.3 1003.8 1006.8 1012.8 1012.0 1008.4 996.6 DAY 16 22 7 24 30 15 16 13 3 18 3 7 1974 1006.0 1009.9 1008.3 1004.1 1004.1 1001.5 998.8 1001.2 1004.1 1015.8 1012.5 1010.2 998.8 DAY 18 12 31 29 27 3 20 11 3 18 26 13 1975 1011.2 1006.8 1006.8 1005.8 1006.2 1002.2 1001.9 999.2 1005.0 1007.8 1005.0 1012.8 999.2 DAY 5 6 19 15 25 30 17 14 10 3 29 23 1976 1010.6 1006.8 1006.3 1008.9 1005.2 1002.2 998.6 1003.3 1006.3 1008.8 1005.0 1010.2 998.6 DAY 30 5 11 5 7 6 19 1 18 18 29 31 1977 1009.3 1010.3 1008.2 1004.3 1004.8 998.9 996.2 1001.0 1009.9 1010.6 1007.6 1012.2 996.2 DAY 17 25 30 8 25 23 2 18 3 5 17 9 1978 1008.4 1009.6 1006.0 1005.7 1000.1 993.7 998.0 1002.5 1003.0 1010.8 1011.8 1010.0 993.7 DAY 21 12 15 19 30 22 2 7 2 1 11 15 1979 1009.4 1007.7 1005.2 1007.8 1006.8 1001.6 1001.8 1003.5 1008.4 1011.9 1009.0 1009.1 1001.6 DAY 11 11 31 12 8 22 6 6 5 4 29 16 1980 1006.6 1006.4 1001.1 1008.1 1006.2 1000.2 1003.2 1001.5 1008.2 1011.6 1011.3 1010.3 1000.2 DAY 24 25 2 26 29 17 3 11 19 26 25 10 1981 1006.0 1007.9 1005.9 1004.7 1004.1 1002.6 998.3 1003.6 1007.3 1011.7 1013.9 1010.4 998.3 DAY 3 12 13 29 12 16 2 12 22 17 23 26 1982 1004.1 1005.8 1006.7 1003.7 1008.9 1002.3 996.6 997.5 1007.9 1010.7 1012.1 1009.4 996.6 DAY 17 14 7 18 23 25 31 1 13 1 7 7 1983 1007.6 1006.6 1008.0 1007.6 1005.8 1001.6 999.9 1001.0 1003.9 1009.3 1015.4 1008.1 999.9 DAY 24 28 23 1 12 29 27 5 9 5 12 27 1984 1007.3 1007.8 1006.0 1005.0 1004.2 1000.7 1001.5 1002.3 1004.7 1010.8 1012.4 1010.7 1000.7 DAY 29 8 15 26 29 7 15 8 1 18 14 7 1985 1011.8 1003.1 1005.8 1005.2 1005.0 1001.3 1001.0 1003.9 1006.0 1008.7 1014.1 1007.8 1001.0 DAY 17 16 25 11 21 19 27 7 8 11 6 19 1986 1004.6 1005.8 1006.0 1005.8 1005.1 998.0 1002.6 1004.2 1009.7 1012.8 1008.0 1008.7 998.0 DAY 20 16 11 30 10 20 21 4 5 25 7 20 1987 1008.0 1009.2 1003.3 1008.2 1007.0 1002.9 1000.6 1001.8 1006.4 1009.8 1012.5 1008.1 1000.6 DAY 2 10 14 4 28 11 3 29 2 9 7 31 1988 1005.3 1007.7 1006.0 1007.1 1005.7 999.1 997.8 1001.1 1004.0 1009.7 1010.9 1007.8 997.8 DAY 19 25 5 23 24 25 8 4 1 7 20 26 1989 1007.0 1007.4 1004.8 1008.2 1005.3 1000.2 1003.3 1002.3 1003.8 1009.7 1014.7 1011.3 1000.2 DAY 12 14 29 23 31 7 18 1 12 2 20 5 1990 1008.4 1005.0 1006.4 1004.2 1001.0 1000.3 997.1 1002.8 1005.3 1009.7 1011.1 1007.0 997.1 DAY 2 24 25 16 13 27 5 8 3 2 1 25 1991 1006.9 1011.0 1003.3 1006.0 1002.5 1000.1 997.2 1001.5 1006.1 1012.9 1012.0 1010.0 997.2 DAY 26 7 7 10 28 12 14 12 3 5 6 22 1992 1009.0 1006.0 1005.2 1004.9 1008.1 996.3 1001.5 1001.3 1008.6 1009.6 1009.0 1009.9 996.3 DAY 25 11 31 18 4 27 19 1 8 7 26 4 1993 1006.0 1008.0 1003.8 1005.1 1001.9 1002.1 1001.0 1003.5 1006.9 1010.2 1010.0 1014.1 1001.0 DAY 14 23 22 13 29 3 14 12 3 3 14 4 1994 1009.1 1006.2 1008.9 1006.1 1007.3 997.5 998.7 999.5 1004.7 1011.8 1009.9 1007.0 997.5 DAY 16 12 12 3 27 29 20 1 1 3 26 4 1995 1010.3 1007.1 1004.6 1007.2 1004.1 1000.0 996.6 1000.9 1007.0 1010.6 1010.0 1012.8 996.6 DAY 1 24 27 25 14 17 16 3 19 7 26 25 1996 1011.8 1006.1 1005.6 1006.4 1006.2 1003.3 1003.0 1002.7 1001.6 1008.7 1014.5 1010.8 1001.6 DAY 12 5 14 10 29 6 25 7 20 6 28 15 1997 1004.7 1009.7 1003.8 1006.3 1005.7 1001.1 997.5 1002.5 1006.2 1012.2 1011.9 1008.7 997.5 DAY 17 27 17 11 5 19 16 5 2 23 13 10 1998 1001.3 1002.8 1005.9 1006.1 1002.3 1003.2 997.0 1004.4 1005.4 1008.9 1013.7 1013.4 997.0 DAY 13 13 15 6 30 30 8 13 6 2 1 21 1999 1008.8 1006.6 1007.1 1008.0 1002.5 998.6 1001.1 1002.5 1004.7 1012.2 1010.4 1013.2 998.6 DAY 18 6 3 18 21 25 10 6 16 22 1 16 2000 1008.0 1006.7 1006.4 1007.2 1002.0 999.7 1000.5 1002.8 1001.3 1010.1 1008.8 1010.0 999.7 DAY 21 7 2 29 27 25 9 31 1 2 6 15 2001 1011.2 1005.1 1003.0 1006.2 1000.3 999.7 998.2 1002.8 1005.1 1010.3 1011.0 1011.3 998.2 DAY 18 21 26 10 26 18 18 27 1 2 17 5 2002 1008.4 1010.2 1008.2 1001.6 1003.6 997.6 1001.5 1001.6 1008.6 1013.0 1011.3 1007.2 997.6 DAY 22 25 23 4 13 21 25 17 10 12 13 22 2003 1009.8 1004.2 1006.3 1006.8 1006.4 998.0 998.1 1001.2 1005.4 1011.3 1009.8 1012.1 998.0 DAY 29 17 13 17 23 30 25 1 12 5 14 6 2004 1004.7 1010.7 1005.6 1006.8 1001.7 999.7 1000.7 1001.6 1006.8 1013.9 1024.0 1022.9 999.7 DAY 27 15 31 1 13 17 11 15 11 3 24 15 2005 1018.2 1019.8 1015.9 1017.5 1015.3 1008.6 1010.8 1014.3 1017.5 1023.1 1024.8 1024.8 1008.6 DAY 23 5 24 30 6 27 4 7 5 4 9 24 1956-2005 1001.3 1002.8 999.9 1001.3 1000.0 993.7 994.9 997.5 1001.3 1007.7 1005.0 1006.3 993.7 YEAR-DAY 98-13 98-13 67-24 63-15 61-30 78-22 58-10 82- 1 0- 1 59-30 75-29 67-23 78-22 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 109 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF QFF PRESSURE IN HPA AT 1200 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1000.2 996.3 1001.2 1003.7 ****** ****** ****** ****** 1957 1018.4 1018.0 1011.8 1010.3 1006.4 1001.7 1000.0 1011.2 1015.3 1012.6 1017.4 1018.1 1011.8 1958 1018.3 1017.3 1011.9 1009.2 1008.1 999.9 995.0 999.4 1003.1 1011.9 1021.8 1018.0 1009.5 1959 1018.7 1012.4 1011.1 1008.5 1004.0 999.7 995.2 993.1 998.6 1008.7 1016.7 1022.6 1007.5 1960 1018.4 1014.3 1010.7 1008.2 1005.5 996.3 993.7 995.4 1003.7 1011.5 1017.0 1020.2 1007.9 1961 1018.7 1015.2 1009.3 1007.9 1001.7 998.0 992.6 997.0 998.9 1011.7 1015.6 1015.7 1006.9 1962 1017.8 1012.7 1008.3 1005.6 1002.6 999.4 996.4 1000.2 1005.6 1012.4 1019.2 ****** ****** 1963 ****** ****** ****** ****** ****** ****** 995.6 997.3 1004.7 1010.5 1015.6 1018.6 ****** 1964 1022.5 1013.8 ****** ****** ****** 996.4 993.6 994.3 1004.4 1014.3 1016.9 1023.6 ****** 1965 1015.8 1013.4 1011.6 1006.4 1003.6 998.3 994.9 1001.5 1006.9 1009.7 1016.4 1018.1 1008.0 1966 1017.5 1012.3 1009.9 1008.1 1004.7 997.3 995.6 998.7 1004.2 1011.2 1021.3 1016.7 1008.1 1967 1019.5 1013.2 1008.1 1007.1 1004.3 998.7 993.1 996.7 1001.8 1013.0 1014.1 1017.4 1007.2 1968 1014.3 1016.4 1010.1 1008.7 1006.1 997.5 996.3 997.9 1004.6 1011.7 1017.1 1016.2 1008.1 1969 1017.5 1017.1 1008.6 1007.5 1003.4 998.6 994.0 999.8 1005.6 1009.8 1018.4 1016.9 1008.1 1970 1017.0 1013.8 1012.0 1007.9 1002.8 996.6 994.5 994.3 1002.6 1009.4 1015.9 1017.2 1007.0 1971 1019.4 1011.9 1011.3 1005.7 1000.6 992.9 995.0 996.0 1005.5 1011.1 1015.0 1014.0 1006.5 1972 1017.8 1018.4 1010.0 1006.6 1003.1 997.1 995.3 1000.7 1004.5 1011.9 1013.8 1019.0 1008.2 1973 1021.1 1012.3 1009.6 1005.1 1000.3 993.4 991.8 997.2 1003.0 1010.6 1014.7 1018.3 1006.5 1974 1016.7 1017.3 1010.9 1003.8 1001.6 996.1 993.8 996.1 1002.5 1014.0 1015.8 1017.6 1007.2 1975 1018.2 1012.8 1009.8 1008.4 1002.5 997.1 994.1 995.7 1002.8 1008.9 1016.1 1018.7 1007.1 1976 1014.0 1014.2 1011.0 1007.2 1001.8 997.9 992.0 997.0 1002.1 1008.0 1018.4 1018.7 1006.9 1977 1018.0 1016.7 1010.2 1005.2 1002.0 994.4 990.9 996.5 1005.0 1009.8 1013.5 1015.8 1006.5 1978 1017.4 1014.3 1009.9 1003.4 1000.4 994.6 994.4 996.2 1002.5 1011.3 1016.2 1015.1 1006.3 1979 1016.8 1011.2 1011.0 1006.2 1005.6 997.6 995.4 999.0 1005.9 1010.1 1017.1 1016.1 1007.7 1980 1015.4 1013.2 1009.1 1004.7 1001.6 996.0 996.0 996.3 1003.5 1008.2 1013.7 1015.6 1006.1 1981 1016.4 1012.0 1007.7 1004.5 1002.3 997.4 994.8 998.0 1005.7 1013.1 1013.6 1015.5 1006.7 1982 1015.5 1012.7 1010.0 1006.6 1005.2 997.5 995.4 995.3 1005.3 1009.5 1014.9 1019.1 1007.3 1983 1017.4 1013.8 1011.4 1007.4 1001.5 997.6 994.4 994.5 1000.1 1010.7 1015.9 1018.3 1006.9 1984 1016.6 1018.9 1009.1 1005.3 1001.4 995.5 995.3 993.8 1003.8 1013.5 1014.0 1020.1 1007.3 1985 1015.8 1007.8 1012.1 1003.6 1002.3 995.1 992.8 999.2 1002.9 1008.8 1014.1 1015.7 1005.8 1986 1016.3 1012.6 1010.7 1004.9 1002.6 993.6 996.4 999.0 1005.7 1009.7 1012.8 1016.0 1006.7 1987 1015.3 1014.3 1006.2 1006.3 1004.0 998.7 997.3 996.1 1001.4 1011.8 1014.9 1015.8 1006.8 1988 1015.6 1013.3 1006.7 1005.7 1000.1 995.9 991.3 994.8 1001.0 1009.8 1013.6 1014.0 1005.1 1989 1016.6 1017.4 1007.6 1007.3 1003.2 995.9 994.9 997.4 1001.1 1008.9 1013.8 1014.2 1006.5 1990 1015.9 1011.1 1011.1 1003.8 999.5 995.3 993.0 995.2 1000.6 1009.8 1014.3 1016.0 1005.5 1991 1016.3 1015.8 1009.4 1006.0 999.6 996.1 992.9 995.5 1003.4 1010.7 1014.7 1014.1 1006.2 1992 1016.2 1010.7 1010.7 1005.1 1004.3 995.6 994.3 997.6 1004.1 1009.5 1014.0 1014.7 1006.4 1993 1017.7 1013.7 1011.3 1005.4 1001.9 996.4 995.2 998.8 1002.2 1013.5 1013.9 1018.1 1007.3 1994 1015.7 1010.6 1009.4 1007.3 1002.2 993.3 991.0 993.8 1006.2 1012.1 1011.3 1017.7 1005.9 1995 1016.7 1012.7 1010.4 1006.0 1003.7 996.3 989.8 995.2 1002.1 1009.4 1012.7 1019.1 1006.2 1996 1018.4 1011.4 1008.2 1006.2 1003.8 996.3 996.2 996.6 999.2 1008.9 1016.9 1017.4 1006.6 1997 1014.1 1013.0 1006.9 1005.5 1003.5 995.8 990.0 995.0 1001.9 1008.5 1014.1 1015.0 1005.3 1998 1013.4 1012.0 1008.5 1004.7 1001.6 998.6 992.7 996.9 1001.0 1008.2 1013.2 1016.2 1005.6 1999 1015.4 1011.7 1008.1 1004.6 1000.0 994.6 992.4 996.2 1000.0 1007.3 1012.0 1018.8 1005.1 2000 1013.9 1012.6 1008.7 1002.6 995.9 995.0 995.4 996.8 999.7 1008.4 1015.4 1015.3 1005.0 2001 1016.8 1012.5 1008.5 1003.0 997.0 993.5 991.9 997.4 1001.7 1007.6 1012.6 1016.0 1004.9 2002 1015.3 1013.1 1008.9 1003.2 999.0 994.8 995.1 994.5 1002.5 1008.1 1014.1 1014.9 1005.3 2003 1014.8 1008.7 1008.7 1004.9 1003.1 994.0 990.7 996.5 1001.3 1008.0 1014.6 1017.7 1005.3 2004 1011.8 1012.6 1009.3 1004.8 999.9 994.9 995.3 994.9 1003.2 1011.3 1010.0 1013.9 1005.1 2005 1013.3 1010.1 1005.3 1004.9 1000.8 992.9 990.9 993.6 997.8 1006.6 1012.2 1014.3 1003.6 MEAN 1016.7 1013.5 1009.6 1006.0 1002.4 996.5 994.1 997.0 1003.1 1010.3 1015.1 1017.0 1006.8 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 110 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MAX. OF QFF PRESSURE IN HPA AT 1200 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1008.0 1008.3 1009.3 1013.3 ****** ****** ****** ****** DAY ** ** ** ** ** 10 18 30 30 ** ** ** 1957 1026.7 1027.5 1018.1 1018.6 1010.9 1008.3 1008.8 1021.1 1024.9 1020.1 1030.8 1027.4 1030.8 DAY 14 8 22 16 23 1 29 27 9 14 24 23 1958 1025.7 1023.2 1017.3 1015.8 1017.7 1006.2 1002.3 1009.9 1011.7 1018.1 1029.3 1024.5 1029.3 DAY 2 13 2 2 13 5 16 15 30 22 23 26 1959 1026.9 1020.6 1020.8 1016.1 1012.0 1005.0 999.9 998.3 1005.1 1017.3 1021.3 1030.7 1030.7 DAY 3 3 9 8 4 16 7 31 25 21 21 16 1960 1026.9 1024.8 1023.6 1017.3 1016.2 1001.8 999.7 998.1 1008.0 1019.9 1023.7 1028.9 1028.9 DAY 29 1 20 8 6 15 14 18 12 30 27 18 1961 1030.2 1024.4 1023.8 1017.7 1012.0 1007.8 997.7 1009.2 1007.2 1022.1 1022.8 1025.7 1030.2 DAY 10 23 4 18 2 10 24 26 29 31 25 3 1962 1027.3 1023.7 1019.1 1015.2 1009.3 1005.2 1002.0 1005.4 1016.1 1019.0 1028.1 ****** ****** DAY 19 11 3 19 7 1 30 29 28 27 23 ** 1963 ****** ****** ****** ****** ****** ****** 1010.4 1001.5 1011.0 1015.1 1020.2 1029.7 ****** DAY ** ** ** ** ** ** 20 24 24 11 27 28 1964 1031.3 1023.8 ****** ****** ****** 1006.6 998.4 1001.4 1013.3 1020.5 1029.4 1029.8 ****** DAY 21 1 ** ** ** 2 16 31 29 29 30 1 1965 1024.3 1023.1 1023.1 1012.9 1010.1 1005.4 998.3 1004.8 1011.6 1016.4 1022.1 1025.6 1025.6 DAY 16 1 17 23 21 3 9 10 30 29 25 23 1966 1024.4 1020.9 1022.0 1020.1 1010.3 1007.9 999.7 1004.9 1008.0 1019.7 1027.2 1025.6 1027.2 DAY 1 26 3 5 13 1 3 17 19 31 27 7 1967 1029.4 1023.7 1022.0 1017.4 1013.4 1006.5 999.7 1000.6 1008.3 1020.8 1017.7 1024.0 1029.4 DAY 6 28 3 4 2 7 15 16 26 25 29 28 1968 1025.4 1027.8 1023.0 1014.7 1014.3 1006.9 1001.7 1006.4 1011.1 1019.4 1024.1 1025.2 1027.8 DAY 19 7 27 1 2 1 20 30 20 30 24 21 1969 1028.7 1028.2 1017.0 1013.7 1009.7 1008.1 997.8 1007.2 1014.9 1014.5 1027.0 1022.9 1028.7 DAY 9 3 25 15 22 3 14 31 14 31 23 12 1970 1023.9 1021.6 1016.9 1014.4 1009.8 1001.4 1000.2 998.5 1011.8 1018.9 1023.7 1029.0 1029.0 DAY 3 4 26 27 5 16 22 30 21 27 15 16 1971 1026.1 1023.5 1017.7 1012.0 1006.7 998.7 999.8 999.8 1011.8 1017.0 1022.2 1022.4 1026.1 DAY 4 3 2 28 2 9 25 21 23 22 20 31 1972 1028.8 1028.7 1018.3 1012.4 1014.0 1006.5 999.4 1006.8 1011.4 1019.6 1021.0 1031.7 1031.7 DAY 5 23 4 8 24 11 21 27 23 26 24 27 1973 1033.1 1028.8 1025.5 1011.4 1007.9 1001.6 996.9 1000.1 1012.6 1015.6 1024.3 1028.3 1033.1 DAY 5 7 10 14 8 3 28 22 30 22 12 27 1974 1026.3 1027.7 1022.0 1011.5 1010.2 999.5 998.2 998.9 1008.5 1020.7 1023.7 1026.5 1027.7 DAY 5 5 7 2 2 1 28 30 30 14 18 31 1975 1031.8 1021.8 1019.4 1019.1 1008.1 1001.5 997.4 1003.1 1010.4 1018.9 1022.3 1027.7 1031.8 DAY 15 18 5 4 20 5 28 31 19 25 21 4 1976 1024.0 1025.8 1020.1 1017.4 1005.4 1002.9 998.3 1000.5 1006.2 1017.4 1025.7 1025.0 1025.8 DAY 1 21 3 4 12 21 1 27 30 31 12 13 1977 1027.5 1024.5 1016.9 1009.8 1006.3 1001.4 994.3 1001.3 1009.9 1019.3 1021.5 1023.0 1027.5 DAY 11 15 9 14 29 6 21 23 30 28 27 18 1978 1026.0 1024.3 1016.4 1008.0 1010.5 1002.7 1002.1 999.6 1008.2 1016.5 1026.8 1025.4 1026.8 DAY 13 6 8 16 4 5 8 24 29 6 26 24 1979 1025.6 1019.6 1025.1 1016.0 1011.3 1005.6 998.8 1007.6 1010.5 1016.8 1024.8 1027.2 1027.2 DAY 18 19 5 18 10 4 22 31 28 21 13 23 1980 1023.5 1024.8 1017.4 1012.9 1006.0 1004.7 999.6 1003.5 1008.9 1016.2 1021.5 1022.3 1024.8 DAY 9 3 5 21 1 2 18 31 29 23 27 13 1981 1025.6 1023.1 1021.3 1016.9 1015.0 1005.1 1003.9 1002.7 1010.5 1020.6 1021.7 1021.2 1025.6 DAY 9 4 5 3 2 11 4 3 26 23 26 2 1982 1027.4 1022.3 1018.3 1016.3 1012.1 1002.9 999.1 1003.1 1010.0 1016.8 1028.1 1026.7 1028.1 DAY 21 20 5 4 12 7 10 31 21 26 18 9 1983 1029.9 1022.7 1019.6 1011.5 1006.4 1007.0 999.7 999.8 1007.5 1018.6 1023.5 1027.7 1029.9 DAY 11 23 19 2 5 1 11 8 30 27 5 25 1984 1025.4 1026.2 1017.2 1011.9 1006.0 1000.6 998.7 997.3 1010.3 1020.8 1021.2 1027.8 1027.8 DAY 4 19 3 1 10 4 22 29 27 21 27 20 1985 1021.3 1016.5 1026.6 1009.3 1011.3 1000.1 996.3 1005.6 1006.8 1013.7 1020.1 1024.3 1026.6 DAY 4 19 11 1 13 2 2 30 26 31 18 31 1986 1026.5 1020.5 1020.3 1010.2 1009.8 1002.0 999.9 1003.9 1011.6 1018.1 1022.5 1024.5 1026.5 DAY 24 22 17 15 20 5 14 29 22 20 15 7 1987 1023.8 1022.6 1017.0 1011.7 1011.0 1011.2 1006.0 1001.6 1009.2 1019.7 1029.8 1031.5 1031.5 DAY 16 7 22 8 14 1 28 7 26 28 30 1 1988 1027.7 1027.3 1017.2 1016.7 1006.0 1003.7 996.0 1000.3 1009.4 1015.2 1022.0 1026.8 1027.7 DAY 3 7 25 3 4 1 30 26 30 28 25 29 1989 1026.1 1026.6 1016.2 1015.0 1011.8 998.9 997.2 1001.7 1013.6 1017.5 1018.8 1020.0 1026.6 DAY 30 8 31 4 2 15 20 31 23 27 8 18 1990 1026.2 1022.2 1022.6 1011.0 1006.0 1001.9 998.0 999.8 1006.7 1019.8 1022.2 1030.8 1030.8 DAY 27 8 21 27 17 1 15 15 26 19 23 28 1991 1026.7 1032.9 1018.0 1014.0 1007.7 1002.2 997.7 1000.2 1013.3 1013.2 1020.5 1022.4 1032.9 DAY 13 15 12 16 8 21 1 30 28 21 24 17 1992 1031.0 1021.2 1026.2 1013.0 1010.2 1002.5 997.9 1005.1 1008.5 1014.1 1019.2 1023.7 1031.0 DAY 10 16 12 20 6 2 2 31 1 30 4 29 1993 1027.5 1022.2 1019.4 1013.8 1010.4 1003.8 1000.5 1002.4 1009.6 1020.4 1023.8 1024.7 1027.5 DAY 6 8 17 1 10 23 27 6 21 9 30 7 1994 1024.4 1020.7 1018.3 1022.1 1006.6 1002.0 996.0 996.8 1016.2 1019.7 1016.6 1030.6 1030.6 DAY 28 4 4 5 7 12 14 17 23 10 2 8 1995 1024.1 1017.9 1019.9 1014.8 1012.8 1012.3 996.0 998.2 1006.9 1018.2 1022.5 1024.7 1024.7 DAY 7 26 6 7 26 1 29 10 22 27 27 10 1996 1025.0 1019.7 1016.0 1017.4 1010.9 1000.0 1002.1 1002.0 1006.3 1018.6 1028.7 1024.6 1028.7 DAY 28 13 1 7 8 28 3 31 25 20 18 7 1997 1023.6 1020.4 1020.2 1015.0 1012.0 1003.4 992.9 1000.3 1007.9 1013.6 1020.5 1025.4 1025.4 DAY 19 8 1 14 7 1 28 28 20 25 8 28 1998 1022.1 1023.2 1015.6 1014.1 1012.0 1003.2 998.7 1000.0 1006.3 1014.8 1018.5 1024.0 1024.0 DAY 22 23 5 12 3 5 22 29 13 26 21 9 1999 1025.9 1018.8 1017.5 1011.5 1006.2 1002.5 996.3 1002.8 1010.0 1011.6 1021.1 1024.9 1025.9 DAY 2 1 19 12 30 1 31 20 30 10 14 6 2000 1022.4 1021.9 1015.5 1010.0 1002.6 1000.5 1001.7 1000.9 1004.8 1014.5 1025.0 1024.4 1025.0 DAY 31 10 4 3 4 17 20 20 29 6 17 17 2001 1026.9 1022.0 1018.7 1013.0 1002.2 999.8 999.0 1003.1 1011.1 1013.8 1021.3 1022.5 1026.9 DAY 29 9 12 4 12 2 31 14 22 10 20 23 2002 1025.0 1024.2 1022.8 1015.3 1004.0 1001.8 1000.0 1000.0 1008.2 1011.2 1023.1 1025.1 1025.1 DAY 27 5 11 1 15 25 31 1 30 26 18 5 2003 1020.8 1017.6 1025.1 1011.3 1013.2 1000.4 995.8 999.9 1009.8 1013.0 1027.5 1030.0 1030.0 DAY 2 6 3 19 2 1 6 28 27 17 25 12 2004 1019.9 1021.4 1018.6 1011.8 1004.6 1002.9 1000.0 1000.8 1010.5 1016.9 1019.4 1025.4 1025.4 DAY 1 10 22 11 7 2 17 31 27 27 29 4 2005 1021.7 1020.8 1011.9 1015.9 1005.7 1000.3 994.0 997.7 1001.7 1013.1 1019.6 1024.3 1024.3 DAY 13 18 3 9 8 11 31 27 26 24 27 30 1956-2005 1033.1 1032.9 1026.6 1022.1 1017.7 1012.3 1010.4 1021.1 1024.9 1022.1 1030.8 1031.7 1033.1 YEAR-DAY 73- 5 91-15 85-11 94- 5 58-13 95- 1 63-20 57-27 57- 9 61-31 57-24 72-27 73- 5 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 111 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MIN. OF QFF PRESSURE IN HPA AT 1200 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 992.4 986.1 996.7 999.0 ****** ****** ****** ****** DAY ** ** ** ** ** 4 22 4 10 ** ** ** 1957 1008.7 1005.9 1002.8 1002.7 998.7 994.7 991.5 1002.9 1003.9 1004.5 1009.7 1006.8 991.5 DAY 12 5 7 25 30 6 14 8 28 4 5 7 1958 1011.8 1012.1 1009.1 1006.0 1004.9 995.1 984.8 994.2 997.8 1006.4 1007.6 1008.5 984.8 DAY 25 23 15 30 2 21 10 2 5 9 7 1 1959 1003.3 998.1 1004.1 1003.6 995.1 988.7 989.8 987.8 993.3 1001.1 1009.8 1012.6 987.8 DAY 23 17 24 5 31 28 28 3 6 30 13 12 1960 1010.0 1005.3 993.5 1002.1 992.4 990.5 987.3 991.4 994.3 1001.3 1007.0 1011.2 987.3 DAY 27 29 9 28 31 30 1 12 2 8 19 29 1961 1009.9 1004.6 1001.2 999.7 990.0 988.8 988.3 991.7 994.6 1002.9 1007.6 1002.9 988.3 DAY 21 17 13 9 30 6 15 8 11 2 23 27 1962 1006.8 1004.5 998.9 995.5 996.1 991.0 992.5 995.5 997.6 1003.9 1012.0 ****** ****** DAY 9 18 29 5 25 10 14 2 17 9 14 ** 1963 ****** ****** ****** ****** ****** ****** 991.6 993.6 996.8 1005.3 1010.1 1005.1 ****** DAY ** ** ** ** ** ** 5 7 7 2 1 11 1964 1000.1 1008.0 ****** ****** ****** 986.0 987.2 987.2 997.7 1002.7 1003.6 1010.5 ****** DAY 19 10 ** ** ** 29 10 2 2 4 26 25 1965 1007.1 1002.8 1004.4 998.8 998.3 991.3 991.1 997.2 1002.5 998.0 1008.6 1010.7 991.1 DAY 10 9 23 21 30 24 12 1 22 19 9 20 1966 1010.2 1006.4 993.9 999.0 999.2 988.2 991.7 991.9 999.9 1002.8 1017.7 1005.9 988.2 DAY 27 15 20 23 26 27 18 5 1 1 5 12 1967 1007.7 1004.0 995.5 999.6 997.7 993.0 986.3 991.4 996.3 1000.9 1010.9 1005.2 986.3 DAY 21 6 23 26 27 20 10 5 7 3 27 23 1968 1004.6 1005.2 999.6 1000.5 999.3 990.1 988.7 992.1 999.5 1003.2 1008.9 1007.4 988.7 DAY 16 3 18 24 17 23 12 14 9 5 18 9 1969 1002.9 1008.6 1000.6 1001.1 996.9 991.8 991.1 992.9 997.2 1002.8 1007.3 1006.4 991.1 DAY 25 21 21 17 28 23 24 8 11 29 9 14 1970 1006.9 1005.0 1004.6 1001.2 995.2 991.8 989.2 989.1 995.4 999.5 1010.8 1003.6 989.1 DAY 22 23 23 19 30 9 1 7 6 8 9 14 1971 1005.8 1003.6 999.4 999.7 993.7 986.0 992.3 992.0 997.0 1004.0 1008.7 1002.5 986.0 DAY 14 13 20 25 29 5 16 9 2 1 5 20 1972 1006.6 1004.8 1002.2 999.9 996.9 987.2 988.5 989.6 996.3 1008.3 1006.7 1008.3 987.2 DAY 23 9 18 25 3 24 5 1 11 17 8 17 1973 1004.8 1000.2 1001.2 997.3 993.0 984.7 985.3 993.2 997.1 1005.1 1005.7 1004.9 984.7 DAY 16 23 7 24 30 15 16 4 3 11 3 7 1974 1006.3 1007.2 1001.4 996.3 995.1 990.9 988.1 989.8 994.0 1011.0 1009.0 1006.2 988.1 DAY 18 19 24 29 28 3 20 11 3 27 24 6 1975 1006.3 1003.2 1000.9 998.1 996.5 992.4 992.0 989.0 996.0 999.6 1000.0 1007.9 989.0 DAY 5 11 19 15 25 30 5 14 10 3 29 23 1976 1007.3 1001.3 1002.5 1001.8 997.2 992.5 987.3 993.3 997.2 1001.1 1000.3 1007.1 987.3 DAY 24 11 22 18 7 6 19 1 1 18 29 31 1977 1007.9 1005.7 1002.0 998.6 995.6 987.0 984.6 990.2 1001.1 1002.4 1004.7 1008.3 984.6 DAY 21 25 30 25 25 23 2 18 3 5 17 9 1978 1004.1 1006.8 1000.3 998.3 990.3 982.1 986.4 992.3 993.6 1003.1 1006.7 1006.6 982.1 DAY 21 12 15 19 30 22 2 7 2 1 1 16 1979 1006.4 1003.6 1000.5 1000.1 999.0 990.7 991.1 993.1 1000.7 1004.3 1005.9 1004.9 990.7 DAY 7 11 28 11 8 23 6 1 5 4 29 16 1980 1001.4 1002.6 996.9 999.4 995.1 989.1 993.2 989.9 998.7 1002.7 1005.7 1007.0 989.1 DAY 24 25 2 17 16 17 8 11 20 5 25 8 1981 1004.4 1005.3 999.7 997.1 994.6 991.4 987.4 992.9 998.3 1005.2 1008.7 1009.3 987.4 DAY 3 11 31 29 16 26 2 14 22 17 5 26 1982 1001.5 1003.1 1002.5 996.0 1000.0 991.7 985.0 985.8 999.0 1003.0 1008.5 1008.0 985.0 DAY 17 14 25 18 23 25 31 1 14 1 7 30 1983 1005.7 1002.8 1003.0 1000.8 996.6 989.9 988.7 989.7 993.1 1000.5 1009.7 1005.0 988.7 DAY 24 28 6 23 26 29 27 5 9 5 12 12 1984 1004.1 1005.7 1000.1 997.1 993.8 990.3 991.6 991.0 995.4 1003.1 1007.4 1008.2 990.3 DAY 29 8 13 26 30 7 15 8 1 18 14 7 1985 1009.0 998.3 997.6 996.7 995.1 990.4 989.4 993.2 994.6 1000.5 1008.9 1002.8 989.4 DAY 16 26 25 24 21 19 28 7 8 11 7 19 1986 1001.2 1003.0 1001.5 998.2 996.1 986.2 992.1 994.3 1001.6 1005.0 1002.9 1005.4 986.2 DAY 20 16 11 30 10 20 21 5 30 5 7 20 1987 1006.8 1004.0 997.7 999.1 997.1 992.5 989.9 991.2 995.9 1001.4 1006.1 1005.0 989.9 DAY 3 10 12 19 28 11 3 29 2 9 7 30 1988 1001.8 1003.5 999.8 999.0 995.6 987.5 986.0 991.0 993.8 1003.0 1005.5 1004.2 986.0 DAY 19 25 23 23 24 25 18 24 1 7 20 26 1989 1006.4 1002.1 999.3 1001.0 995.0 989.4 992.4 993.0 993.6 1000.8 1008.5 1005.9 989.4 DAY 12 23 29 29 31 7 18 1 12 2 20 5 1990 1006.5 1002.8 1000.6 994.8 991.5 989.9 986.2 991.2 995.0 1001.0 1006.4 1005.1 986.2 DAY 2 16 25 16 13 27 5 8 3 2 1 25 1991 1004.2 1006.0 998.0 998.5 992.6 989.5 986.2 991.0 996.3 1006.0 1006.3 1006.6 986.2 DAY 26 4 7 11 29 12 14 12 3 5 6 1 1992 1007.0 1002.8 999.6 997.1 999.5 984.4 991.3 990.7 1000.0 1003.1 1003.3 1004.8 984.4 DAY 23 11 31 18 20 27 19 1 18 7 26 4 1993 1002.8 1004.3 998.0 998.2 991.3 992.3 990.1 993.0 997.9 1001.7 1003.0 1011.1 990.1 DAY 9 23 22 13 29 13 14 12 3 3 14 5 1994 1004.6 1002.1 1002.6 999.6 997.0 985.7 987.2 987.6 994.7 1004.3 1004.0 1001.7 985.7 DAY 5 12 12 3 27 29 20 3 1 3 26 4 1995 1008.2 1003.0 997.9 1001.6 995.0 987.8 985.0 991.7 998.1 1002.0 1006.0 1011.3 985.0 DAY 1 24 27 5 14 17 16 8 19 7 5 4 1996 1010.0 1003.7 1001.5 999.8 997.2 991.7 993.0 990.8 991.1 1000.9 1009.6 1007.1 990.8 DAY 7 5 14 10 29 6 28 7 20 6 9 15 1997 1000.7 1004.3 999.0 998.2 997.8 988.3 985.6 991.8 995.6 1003.6 1006.3 1004.7 985.6 DAY 17 23 17 11 5 19 16 5 3 1 13 10 1998 1000.7 999.8 1000.5 997.8 991.2 992.6 983.5 993.5 994.3 998.5 1006.1 1009.5 983.5 DAY 13 13 15 6 30 29 8 5 6 2 1 18 1999 1004.9 1001.3 1001.7 999.8 992.2 986.4 988.2 991.2 994.7 1004.2 1002.8 1009.8 986.4 DAY 18 6 23 9 21 23 10 6 16 22 1 16 2000 1003.4 1003.0 1003.3 996.9 990.0 987.7 989.0 992.9 991.0 1000.5 1003.0 1007.0 987.7 DAY 21 7 13 22 27 26 9 29 2 2 6 15 2001 1008.8 999.1 996.3 996.5 990.0 988.4 985.6 991.4 993.3 1001.2 1005.3 1007.1 985.6 DAY 18 21 26 29 26 30 12 27 1 2 17 5 2002 1005.7 1005.0 1001.4 994.3 993.1 985.4 988.9 989.8 998.9 1004.9 1005.4 1002.8 985.4 DAY 22 26 21 4 13 21 25 17 1 12 13 22 2003 1004.7 1001.0 999.4 998.5 995.9 985.8 985.7 988.4 994.5 1001.3 1003.1 1006.5 985.7 DAY 29 17 13 17 23 30 25 1 12 5 1 6 2004 1000.2 1004.0 997.5 999.1 990.6 987.6 989.9 989.4 996.8 1006.4 1001.9 1001.4 987.6 DAY 27 15 31 1 13 17 11 15 11 3 24 16 2005 1000.3 1000.2 994.0 994.4 992.4 981.9 984.4 989.1 993.1 999.7 1003.9 1004.8 981.9 DAY 23 5 24 27 6 27 4 6 5 4 9 24 1956-2005 1000.1 998.1 993.5 994.3 990.0 981.9 983.5 985.8 991.0 998.0 1000.0 1001.4 981.9 YEAR-DAY 64-19 59-17 60- 9 2- 4 61-30 5-27 98- 8 82- 1 0- 2 65-19 75-29 4-16 5-27 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 112 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF COMPUTED QFF PRESSURE IN HPA AT 1200 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 994.2 993.4 999.3 1001.8 ****** ****** ****** ****** 1957 ****** ****** ****** ****** ****** 998.8 997.5 1008.4 1013.0 1011.6 1016.3 1016.9 ****** 1958 1017.4 1016.2 1010.8 1007.9 1006.9 998.7 993.7 998.0 1001.8 1010.8 1020.5 1017.0 1008.3 1959 1017.8 1011.5 1010.0 1007.4 1002.4 998.5 993.8 992.0 997.5 1007.5 1015.7 1021.5 1006.3 1960 1017.6 1013.4 1010.1 1007.5 1004.3 995.0 992.3 994.5 1003.0 1010.9 1015.7 1019.3 1007.0 1961 1017.8 1014.2 1008.8 1007.1 1000.7 997.2 991.7 996.0 997.9 1011.0 1014.8 1015.3 1006.0 1962 1017.1 1012.2 1007.7 1004.8 1003.1 ****** ****** ****** ****** ****** ****** ****** ****** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 1014.7 1012.2 1010.3 1005.0 1002.0 996.4 993.1 999.5 1005.4 1009.0 1015.2 1017.7 1006.7 1966 1017.1 1012.1 1009.4 1007.4 1004.0 996.6 994.9 997.8 1003.4 1010.6 1020.9 1016.2 1007.5 1967 1019.0 1012.9 1007.6 1006.4 1003.7 997.8 992.1 995.9 999.6 1015.2 1013.4 1016.9 1006.7 1968 1013.9 1015.9 1009.7 1008.0 1005.3 996.4 995.4 996.9 1003.8 1011.0 1016.2 1015.7 1007.4 1969 1017.1 1016.2 1008.2 1007.0 ****** ****** ****** ****** ****** ****** ****** ****** ****** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1977 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995.2 1000.4 1011.2 1014.2 1015.1 1006.0 1988 1014.7 1012.4 1006.2 1004.9 999.1 994.7 990.3 993.6 999.8 1008.9 1012.9 1013.4 1004.2 1989 1015.5 1016.5 1007.0 1006.6 1002.5 995.1 994.0 996.6 1000.4 1008.1 1013.1 1013.5 1005.7 1990 1014.9 1010.4 1010.6 1003.0 998.6 994.4 992.1 994.3 999.7 1009.0 1013.6 1015.3 1004.6 1991 1015.4 1014.9 1008.6 1005.5 998.8 995.4 992.0 994.5 1002.4 1010.0 1014.0 1013.3 1005.4 1992 1015.3 1010.0 1010.0 1004.5 1003.5 994.5 993.4 996.7 1003.3 1008.7 1013.4 1013.9 1005.6 1993 1016.6 1013.0 1010.6 1004.5 1001.0 995.4 994.3 997.9 1001.1 1012.8 1013.2 1017.3 1006.5 1994 1014.8 1009.9 1008.7 1006.5 1001.3 992.1 989.9 992.7 1005.4 1011.1 1010.6 1016.9 1005.0 1995 1015.8 1012.0 1009.8 1005.2 1002.9 995.5 988.8 994.5 1001.4 1008.8 1012.3 1018.2 1005.4 1996 1017.5 1010.7 1007.5 1005.4 1002.9 995.3 995.4 996.7 999.0 1008.8 1016.7 1017.2 1006.1 1997 1013.9 1012.9 1006.7 1005.4 1003.3 995.5 990.1 995.0 1001.7 1008.4 1013.9 1014.8 1005.1 1998 1013.2 1011.9 1008.4 1004.5 1001.5 998.4 992.5 996.6 1000.9 1008.1 1013.2 1016.1 1005.4 1999 1015.4 1011.5 1007.9 1004.5 999.9 994.4 992.3 996.0 999.9 1007.3 1011.8 1018.7 1005.0 2000 1013.7 1012.5 1008.5 1002.5 995.8 994.9 995.3 996.6 999.5 1008.1 1015.1 1015.2 1004.8 2001 1016.5 1012.3 1008.2 1002.6 996.7 993.0 991.7 997.1 1001.4 1007.3 1012.4 1015.5 1004.6 2002 1014.8 1012.8 1008.7 1003.0 998.7 994.6 994.9 994.4 1002.4 1007.9 1014.0 1014.7 1005.1 2003 1014.7 1008.7 1008.6 1004.8 1003.0 994.0 990.6 996.4 1001.3 1008.0 1014.5 1018.0 1005.2 2004 1011.8 1012.5 1009.0 1004.7 999.8 994.9 995.2 994.9 1003.1 1011.2 1024.6 1029.1 1007.6 2005 1028.4 1025.2 1019.9 1019.2 1014.9 1006.6 1004.5 1007.3 1011.7 1020.9 1027.0 1029.3 1017.9 MEAN 1016.0 1013.1 1009.1 1005.7 1002.0 995.9 993.5 996.7 1002.3 1010.1 1015.1 1017.2 1006.4 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 113 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MAX. OF COMPUTED QFF PRESSURE IN HPA AT 1200 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1000.6 1000.0 1007.1 1010.7 ****** ****** ****** ****** DAY ** ** ** ** ** 6 18 31 30 ** ** ** 1957 ****** ****** ****** ****** ****** 1001.9 1006.0 1015.5 1021.8 1018.6 1030.1 1026.1 ****** DAY ** ** ** ** ** 17 29 27 9 14 24 30 1958 1024.1 1022.1 1015.8 1014.4 1016.5 1005.0 1001.8 1001.7 1009.1 1017.4 1028.0 1023.6 1028.0 DAY 2 13 2 2 13 2 16 25 30 22 23 26 1959 1026.8 1019.5 1018.8 1014.5 1010.8 1003.4 998.7 997.4 1003.9 1015.4 1020.5 1032.4 1032.4 DAY 3 3 9 8 4 16 7 31 25 21 22 16 1960 1025.7 1024.2 1022.7 1016.3 1015.1 1001.0 997.4 997.1 1007.3 1019.1 1023.0 1027.3 1027.3 DAY 29 1 20 24 6 15 28 3 12 30 27 5 1961 1029.0 1023.6 1023.1 1016.7 1010.8 1006.7 996.4 1000.2 1006.9 1022.0 1021.8 1025.1 1029.0 DAY 10 22 4 18 2 10 24 10 29 31 29 3 1962 1026.5 1023.2 1018.6 1013.7 1008.8 ****** ****** ****** ****** ****** ****** ****** ****** DAY 19 11 3 19 7 ** ** ** ** ** ** ** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1965 1023.0 1021.5 1019.5 1011.6 1009.3 1003.5 996.3 1003.0 1010.4 1015.2 1021.0 1025.3 1025.3 DAY 16 1 17 23 21 3 9 10 30 29 25 23 1966 1023.9 1020.7 1021.6 1019.9 1009.8 1006.9 999.3 1004.2 1007.1 1019.0 1026.5 1025.1 1026.5 DAY 1 26 3 5 13 1 4 17 5 31 27 7 1967 1028.7 1023.2 1021.4 1016.8 1012.6 1006.1 998.7 999.9 1003.3 1020.3 1017.1 1024.1 1028.7 DAY 6 28 3 4 3 16 15 26 14 25 29 27 1968 1025.0 1027.6 1022.6 1014.0 1013.7 1005.9 1001.0 1005.6 1010.4 1018.7 1023.4 1024.6 1027.6 DAY 19 7 27 1 2 1 20 30 20 30 24 21 1969 1028.2 1027.8 1016.7 1013.4 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 9 3 25 15 ** ** ** ** ** ** ** ** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1026.5 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 25 1984 1024.4 1026.9 1016.6 1011.0 1005.4 999.5 997.2 995.9 1009.5 1020.1 1020.5 1026.7 1026.9 DAY 4 20 3 1 3 4 22 29 27 21 27 20 1985 1020.0 1016.7 1024.5 1008.6 1010.3 999.3 994.3 1004.8 1006.4 1013.0 1019.4 1023.1 1024.5 DAY 4 11 11 1 12 2 1 30 26 31 18 31 1986 1026.5 1019.7 1019.2 1009.3 1008.9 1000.9 998.4 1003.1 1010.6 1017.3 1021.8 1023.1 1026.5 DAY 24 22 17 15 20 5 23 29 22 20 15 7 1987 1021.9 1021.9 1015.2 1011.1 1008.5 1009.8 1003.0 1000.2 1008.1 1019.0 1029.1 1030.3 1030.3 DAY 16 7 22 8 1 1 28 7 26 17 30 1 1988 1026.6 1026.2 1016.2 1016.3 1004.7 1002.1 994.6 999.3 1007.8 1014.0 1020.4 1025.7 1026.6 DAY 3 7 25 3 2 8 30 26 30 28 26 29 1989 1025.1 1025.5 1015.7 1014.3 1011.5 998.1 996.1 1001.0 1012.8 1016.7 1017.9 1019.1 1025.5 DAY 30 8 31 3 2 15 20 31 23 27 26 18 1990 1025.2 1021.1 1021.5 1009.9 1005.2 1001.3 997.2 999.0 1005.7 1019.2 1021.6 1029.7 1029.7 DAY 27 8 21 12 17 4 15 15 26 19 23 28 1991 1025.5 1031.7 1017.3 1013.1 1007.7 1001.6 996.9 999.1 1012.6 1012.6 1019.8 1021.4 1031.7 DAY 13 15 12 16 8 21 2 30 28 21 24 17 1992 1029.7 1020.1 1025.1 1012.4 1009.5 1001.3 996.8 1004.1 1007.7 1013.3 1018.5 1023.0 1029.7 DAY 10 16 12 20 6 2 2 31 1 30 4 29 1993 1026.1 1021.0 1019.2 1013.4 1009.5 1002.9 999.5 1001.8 1006.1 1020.0 1022.9 1023.7 1026.1 DAY 6 8 17 1 10 23 27 6 23 9 30 7 1994 1023.4 1019.7 1015.7 1021.5 1005.6 999.4 993.9 996.1 1015.4 1019.1 1015.8 1029.4 1029.4 DAY 28 4 3 5 7 1 13 17 23 10 2 8 1995 1023.0 1016.9 1019.1 1013.8 1011.8 1011.1 995.1 997.5 1006.2 1017.6 1022.4 1023.6 1023.6 DAY 7 26 6 7 26 1 28 10 22 27 28 10 1996 1024.0 1018.6 1015.2 1016.9 1009.7 998.9 1001.0 1001.9 1006.2 1018.0 1028.6 1024.6 1028.6 DAY 28 13 1 7 8 28 3 31 25 20 18 7 1997 1023.6 1020.4 1019.7 1014.6 1011.9 1002.4 992.7 1000.3 1007.7 1013.4 1020.4 1025.4 1025.4 DAY 19 8 1 14 7 1 28 28 20 25 8 28 1998 1021.9 1023.1 1015.5 1014.0 1011.0 1002.8 998.7 999.8 1005.9 1014.7 1017.8 1024.0 1024.0 DAY 22 23 5 12 7 17 22 29 13 26 21 9 1999 1025.8 1018.7 1017.4 1011.6 1005.6 1002.3 996.3 1002.3 1010.1 1011.5 1020.9 1025.0 1025.8 DAY 2 1 19 12 30 1 31 20 30 27 14 6 2000 1022.3 1021.9 1015.4 1010.0 1002.2 1000.7 1001.6 1000.6 1004.8 1013.9 1025.0 1024.0 1025.0 DAY 31 11 4 3 4 17 20 20 29 6 17 17 2001 1026.3 1021.7 1018.2 1010.7 1001.8 999.6 999.2 1003.0 1010.7 1013.4 1020.9 1022.0 1026.3 DAY 29 9 12 4 12 2 31 14 22 10 20 18 2002 1023.6 1024.0 1022.7 1015.0 1003.8 1000.8 999.5 999.5 1007.9 1010.6 1022.5 1025.1 1025.1 DAY 26 5 11 1 15 25 31 1 30 26 18 5 2003 1020.8 1017.6 1025.1 1011.5 1013.2 1000.3 994.4 999.8 1009.8 1013.0 1027.3 1030.0 1030.0 DAY 2 6 3 19 2 1 12 30 27 17 25 13 2004 1019.9 1021.3 1018.2 1011.0 1004.6 1002.9 999.8 1000.8 1010.5 1016.8 1034.5 1040.8 1040.8 DAY 1 10 22 12 7 2 17 31 27 27 29 4 2005 1037.1 1036.4 1027.0 1030.8 1020.0 1014.5 1007.7 1011.6 1015.7 1027.7 1034.7 1040.0 1040.0 DAY 13 18 3 9 8 11 31 27 26 24 27 30 1956-2005 1037.1 1036.4 1027.0 1030.8 1020.0 1014.5 1007.7 1015.5 1021.8 1027.7 1034.7 1040.8 1040.8 YEAR-DAY 5-13 5-18 5- 3 5- 9 5- 8 5-11 5-31 57-27 57- 9 5-24 5-27 4- 4 4- 4 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 114 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MIN. OF COMPUTED QFF PRESSURE IN HPA AT 1200 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 987.7 987.5 994.0 997.0 ****** ****** ****** ****** DAY ** ** ** ** ** 2 10 4 12 ** ** ** 1957 ****** ****** ****** ****** ****** 995.3 989.2 1000.3 1002.9 1003.2 1008.6 1006.2 ****** DAY ** ** ** ** ** 30 14 8 28 10 5 7 1958 1011.3 1011.1 1008.2 1004.1 1003.9 993.0 983.1 992.7 996.6 1005.3 1006.8 1006.6 983.1 DAY 6 23 30 21 2 21 10 2 5 9 7 1 1959 1002.6 999.4 1002.8 1002.2 992.4 987.8 988.3 986.8 992.5 1000.9 1008.8 1011.6 986.8 DAY 23 17 24 19 24 28 28 3 6 30 25 12 1960 1008.6 1004.6 998.9 1001.3 991.4 989.1 986.6 990.5 993.6 1001.5 1004.0 1012.8 986.6 DAY 27 29 9 20 31 30 5 12 2 11 20 2 1961 1007.8 1004.3 1001.0 999.4 989.9 987.8 987.4 990.6 992.8 1002.4 1006.8 1004.7 987.4 DAY 21 17 13 8 30 6 15 8 11 2 24 22 1962 1007.0 1003.9 998.6 995.2 997.6 ****** ****** ****** ****** ****** ****** ****** ****** DAY 9 18 29 5 11 ** ** ** ** ** ** ** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1965 1006.1 1001.8 1003.2 997.8 996.4 989.3 989.3 995.4 1000.9 999.6 1007.0 1010.6 989.3 DAY 10 9 23 21 30 24 12 1 4 25 9 20 1966 1010.0 1006.1 993.7 998.6 998.2 987.5 990.8 991.1 999.0 1002.1 1017.1 1005.6 987.5 DAY 27 15 20 24 26 27 18 5 13 1 5 12 1967 1007.1 1003.9 995.3 999.2 996.8 992.0 984.8 990.3 995.2 1007.0 1010.3 1004.7 984.8 DAY 21 6 23 25 19 20 10 5 7 13 27 23 1968 1004.1 1005.0 999.2 999.9 998.6 989.5 987.4 990.8 996.3 1002.8 1008.2 1007.0 987.4 DAY 16 3 18 23 17 23 12 14 7 5 18 9 1969 1002.4 1008.0 1000.1 1000.5 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 25 21 21 13 ** ** ** ** ** ** ** ** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1007.0 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 27 1984 1003.5 1004.7 999.5 996.4 992.8 989.6 990.6 989.6 994.5 1002.2 1006.7 1007.4 989.6 DAY 29 14 13 26 30 7 15 8 1 18 14 7 1985 1007.0 998.0 996.8 996.2 994.2 989.6 988.5 993.3 994.9 999.8 1008.4 1002.3 988.5 DAY 17 26 25 24 21 19 27 7 8 11 7 19 1986 1000.4 1002.6 1001.1 997.6 995.2 986.4 991.2 993.3 1000.9 1004.2 1002.3 1004.8 986.4 DAY 20 16 11 30 10 19 21 5 30 5 7 20 1987 1006.0 1003.5 997.2 997.5 996.3 991.7 989.3 990.2 994.8 1000.6 1005.4 1004.8 989.3 DAY 3 10 12 19 28 11 3 29 2 9 7 31 1988 1001.7 1003.0 999.2 998.1 994.5 986.5 985.2 989.0 992.5 1002.2 1005.1 1003.6 985.2 DAY 19 25 23 23 24 25 8 4 1 7 20 26 1989 1005.3 1001.6 998.8 1000.2 994.4 988.6 990.7 992.1 993.0 1000.2 1007.8 1005.2 988.6 DAY 12 23 28 29 31 7 18 1 12 2 20 5 1990 1005.8 1002.4 1000.1 994.0 990.6 988.3 984.3 990.5 994.0 1000.2 1005.9 1004.5 984.3 DAY 2 24 25 16 13 27 5 9 3 2 1 25 1991 1003.2 1005.7 997.9 998.1 992.1 988.8 984.8 989.9 995.9 1005.0 1005.8 1006.2 984.8 DAY 26 4 7 11 29 5 14 12 3 5 6 1 1992 1006.5 1002.5 999.0 996.4 998.6 983.6 990.6 990.0 999.2 1002.3 1002.9 1004.3 983.6 DAY 23 11 31 18 20 27 23 1 18 7 26 4 1993 1002.1 1003.6 997.7 997.8 990.7 991.2 989.5 992.4 996.9 1000.8 1002.5 1010.6 989.5 DAY 9 23 22 13 29 21 14 12 3 3 14 5 1994 1004.3 1001.8 1002.0 998.2 996.5 984.6 986.2 986.2 993.8 1003.5 1003.5 1001.2 984.6 DAY 5 12 12 26 27 29 20 3 1 3 26 4 1995 1007.4 1002.5 997.2 1000.9 994.3 987.7 984.1 989.9 997.1 1001.3 1005.4 1010.8 984.1 DAY 1 24 27 15 14 17 16 3 19 7 6 25 1996 1009.8 1003.4 1001.2 998.2 996.4 990.6 992.2 992.0 990.6 1000.8 1009.2 1006.9 990.6 DAY 7 5 14 25 29 6 29 7 20 6 9 15 1997 1000.8 1004.2 998.7 998.3 996.3 988.5 985.6 991.8 995.5 1003.5 1006.1 1004.7 985.6 DAY 17 23 17 11 5 19 16 5 3 1 13 10 1998 1000.2 999.9 1000.3 997.8 991.0 992.3 983.7 993.4 994.4 998.1 1006.1 1009.4 983.7 DAY 13 13 15 6 30 30 8 23 6 2 1 18 1999 1005.0 1001.3 1001.6 999.7 992.1 986.6 988.4 991.3 994.1 1004.1 1002.8 1009.7 986.6 DAY 18 6 23 9 21 23 10 6 16 22 1 16 2000 1003.0 1003.1 1002.0 997.0 989.8 987.6 988.7 992.6 990.7 1000.2 1002.7 1006.9 987.6 DAY 21 7 2 22 27 26 9 31 2 2 6 15 2001 1008.5 998.8 996.1 996.4 989.5 988.1 985.2 991.3 992.9 1000.9 1005.0 1006.5 985.2 DAY 18 21 26 29 26 10 12 27 1 2 18 5 2002 1005.5 1004.9 1001.1 994.2 993.1 985.1 988.9 989.8 998.8 1004.6 1005.1 1002.4 985.1 DAY 22 26 23 4 13 21 25 17 18 12 13 22 2003 1004.6 1001.0 999.0 998.1 995.6 985.6 985.8 988.3 994.7 1001.3 1003.0 1006.5 985.6 DAY 29 17 13 17 23 30 25 1 12 5 1 6 2004 1000.2 1003.9 997.4 998.7 991.2 987.8 989.7 989.4 996.8 1006.3 1016.2 1017.5 987.8 DAY 27 15 31 1 13 17 11 15 11 3 24 15 2005 1015.1 1014.7 1008.2 1008.3 1006.5 995.2 997.8 1002.6 1006.9 1013.7 1018.3 1019.4 995.2 DAY 23 5 24 27 6 27 4 6 5 4 9 24 1956-2005 1000.2 998.0 993.7 994.0 989.5 983.6 983.1 986.2 990.6 998.1 1002.3 1001.2 983.1 YEAR-DAY 98-13 85-26 66-20 90-16 1-26 92-27 58-10 94- 3 96-20 98- 2 86- 7 94- 4 58-10 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 115 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF QFE PRESSURE IN HPA AT 1500 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 883.8 883.7 888.2 890.3 896.3 898.7 899.1 ****** 1957 895.2 896.6 893.0 892.3 890.4 887.6 886.3 896.2 898.8 896.3 897.8 897.3 894.0 1958 897.4 896.7 894.9 894.0 893.5 887.7 884.0 887.3 890.1 895.9 900.3 897.6 893.3 1959 897.2 892.6 893.8 893.3 889.7 887.5 883.9 883.0 887.0 894.1 897.2 900.1 891.6 1960 898.1 896.1 892.4 892.1 891.0 885.1 883.1 884.6 890.7 896.1 898.0 899.0 892.2 1961 897.6 894.9 892.5 891.4 888.7 886.3 882.4 885.6 887.1 896.0 897.2 896.7 891.4 1962 897.0 894.4 892.0 890.5 889.2 886.8 884.1 887.3 890.9 896.0 899.9 897.2 892.1 1963 896.8 895.1 891.0 890.3 888.0 886.3 883.8 885.6 891.1 894.8 896.1 896.6 891.3 1964 897.8 893.7 892.6 889.7 889.5 884.7 882.9 883.3 890.5 896.8 898.0 899.9 891.6 1965 894.7 893.8 893.7 890.2 890.1 886.3 884.0 888.7 892.9 895.4 898.3 897.8 892.2 1966 898.4 894.3 892.9 892.1 891.6 886.3 884.6 887.2 891.5 896.1 901.8 897.1 892.8 1967 898.8 894.5 891.0 891.1 890.9 886.8 882.8 885.5 889.6 897.3 896.7 896.8 891.8 1968 894.6 895.8 893.5 892.7 892.0 886.1 885.2 886.7 891.8 896.5 899.2 896.9 892.6 1969 896.5 896.4 893.4 892.5 890.3 887.0 883.8 888.2 892.4 895.7 899.0 898.1 892.8 1970 896.4 895.3 893.9 893.2 889.6 885.6 884.1 884.1 889.8 894.8 897.7 897.4 891.8 1971 897.8 892.7 894.1 890.7 887.8 882.3 883.8 884.8 891.5 895.3 897.2 895.0 891.1 1972 895.8 896.1 892.5 891.1 889.3 885.7 884.2 888.1 891.6 896.5 896.3 897.4 892.0 1973 897.9 894.0 893.1 890.5 887.8 883.1 881.8 885.6 890.2 895.3 896.5 897.3 891.1 1974 894.8 895.7 893.9 889.4 888.6 884.8 882.9 884.9 889.7 896.7 897.6 896.6 891.3 1975 896.6 893.5 892.4 892.1 889.1 885.3 883.3 884.4 889.8 893.3 897.2 897.4 891.2 1976 894.4 893.9 892.2 891.5 888.8 886.1 881.7 885.3 889.7 893.4 898.5 897.8 891.1 1977 895.7 897.0 894.5 889.9 889.0 883.8 881.2 885.4 891.6 894.8 895.7 896.5 891.3 1978 896.6 895.2 892.6 889.7 887.8 883.9 883.7 885.0 889.8 896.0 897.4 897.0 891.2 1979 896.4 892.8 892.6 892.1 891.7 886.6 884.9 886.9 892.4 895.7 898.4 896.3 892.2 1980 895.3 894.3 892.5 891.1 889.1 885.2 884.9 885.5 890.8 893.7 896.9 896.2 891.3 1981 896.4 893.9 891.5 890.4 889.2 885.9 883.7 886.4 892.3 897.0 896.5 896.8 891.7 1982 895.2 892.8 892.2 891.4 891.6 886.2 884.3 884.5 892.0 894.8 896.2 897.5 891.6 1983 896.3 894.3 893.0 891.2 889.2 886.5 884.1 884.1 888.5 895.2 898.3 897.5 891.5 1984 895.4 897.0 893.0 890.4 888.0 884.1 883.9 883.4 890.7 896.9 896.7 897.8 891.4 1985 895.9 890.1 893.6 889.1 889.0 884.2 882.8 887.1 890.0 893.8 896.8 896.0 890.7 1986 895.7 893.1 891.8 890.4 889.9 883.3 885.4 887.4 892.1 895.1 894.9 895.2 891.2 1987 895.7 895.5 889.9 891.9 890.8 886.8 886.0 885.4 889.8 896.0 897.3 896.6 891.8 1988 895.0 893.7 890.4 891.0 888.2 885.1 881.6 884.1 889.2 895.2 896.8 895.9 890.5 1989 894.8 896.1 890.8 892.0 889.9 885.3 884.5 886.2 889.0 894.6 897.2 895.6 891.3 1990 895.3 892.0 893.8 889.5 887.5 884.6 883.0 885.1 888.9 895.2 897.3 896.6 890.7 1991 895.9 895.4 892.1 891.4 886.9 885.3 882.9 884.9 890.9 895.6 897.4 895.6 891.2 1992 895.5 892.0 892.2 890.2 890.5 884.8 883.7 886.5 891.0 894.5 897.3 895.9 891.2 1993 896.1 895.1 893.3 890.8 889.2 885.3 884.4 887.3 889.8 897.5 896.5 898.3 892.0 1994 895.9 891.9 892.8 891.8 889.5 882.9 881.3 883.7 892.6 896.6 895.7 897.6 891.0 1995 897.1 894.3 893.0 890.8 890.3 885.0 880.5 884.8 889.8 894.6 896.1 898.2 891.2 1996 896.9 893.1 891.3 891.4 890.4 885.6 885.2 886.3 888.2 894.5 898.5 898.5 891.7 1997 894.9 894.6 890.5 890.7 890.7 885.5 881.7 885.4 890.5 895.0 896.9 896.2 891.1 1998 894.2 893.8 892.7 891.3 889.6 887.5 883.4 886.7 889.7 894.4 897.4 898.7 891.6 1999 895.8 894.4 891.5 891.0 888.3 884.9 883.2 886.0 888.7 893.7 895.8 899.3 891.0 2000 894.9 893.9 892.0 890.0 885.7 884.7 885.0 886.2 888.5 894.4 897.5 896.6 890.8 2001 896.4 894.0 892.3 889.8 886.3 883.2 882.8 886.7 890.2 894.0 896.2 898.2 890.8 2002 896.0 895.1 893.2 889.5 887.6 884.8 885.5 884.9 891.3 894.8 897.1 895.9 891.3 2003 896.0 891.9 892.8 891.3 890.4 884.3 882.0 886.4 889.9 894.7 897.2 898.6 891.3 2004 893.9 894.9 893.6 890.5 887.9 885.0 885.4 885.4 891.4 897.0 907.7 908.6 893.5 2005 907.5 905.0 903.3 904.2 901.0 895.6 894.4 896.6 900.1 906.5 908.9 909.9 902.7 MEAN 896.3 894.6 892.8 891.3 889.6 885.5 883.8 886.2 890.7 895.6 897.8 897.7 891.8 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 116 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MAX. OF QFE PRESSURE IN HPA AT 1500 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 888.3 887.1 895.3 895.3 901.2 903.2 903.7 ****** DAY ** ** ** ** ** 6 17 30 30 26 20 19 1957 901.5 903.4 898.3 898.5 895.0 890.6 893.2 901.3 906.8 900.8 905.4 903.0 906.8 DAY 13 8 3 16 11 17 31 29 9 31 24 29 1958 901.8 901.0 897.8 898.8 900.8 892.2 888.4 890.4 895.0 900.2 904.2 903.6 904.2 DAY 2 13 31 2 13 1 29 25 30 22 3 5 1959 902.0 898.6 899.6 899.4 895.2 891.4 887.0 886.1 892.1 901.1 901.3 906.2 906.2 DAY 3 3 9 8 4 21 16 31 25 20 21 16 1960 903.5 903.3 899.9 898.8 898.0 889.9 887.0 886.4 893.8 902.3 903.0 905.3 905.3 DAY 19 1 20 8 5 3 19 31 12 30 26 5 1961 905.1 901.8 902.7 897.2 894.1 893.5 886.1 888.8 893.4 902.4 902.6 904.3 905.1 DAY 10 22 4 18 14 10 24 10 29 31 1 3 1962 903.8 902.9 900.0 897.7 894.2 892.5 888.7 890.8 897.9 901.0 905.0 904.2 905.0 DAY 19 11 3 19 17 2 30 9 29 27 23 1 1963 899.4 902.1 899.7 895.0 892.3 896.0 886.3 888.5 896.4 898.2 898.9 902.0 902.1 DAY 27 4 23 2 15 11 24 24 24 11 27 20 1964 905.6 900.3 897.9 896.9 893.2 892.3 886.7 888.3 896.7 900.5 904.3 904.8 905.6 DAY 30 17 23 25 10 2 21 31 29 25 30 2 1965 901.3 899.9 898.4 894.7 896.1 892.1 886.9 891.5 896.6 899.5 902.1 902.2 902.2 DAY 16 1 16 24 21 3 9 9 30 29 28 4 1966 902.7 900.7 900.2 899.7 895.1 893.1 888.3 891.5 894.3 901.8 905.0 904.8 905.0 DAY 1 26 3 5 13 2 10 17 19 31 22 7 1967 905.2 901.4 901.7 897.6 897.3 893.2 887.8 888.7 893.4 902.6 900.2 901.9 905.2 DAY 6 28 3 4 2 7 15 16 26 15 6 16 1968 902.4 902.5 902.0 898.1 897.4 894.0 889.0 893.3 896.1 901.9 904.4 903.4 904.4 DAY 19 6 27 1 2 1 19 30 20 16 24 21 1969 903.6 904.0 898.0 895.2 896.1 893.8 886.6 893.8 898.7 899.0 905.3 902.2 905.3 DAY 9 3 25 28 22 3 13 31 13 5 23 12 1970 903.8 900.5 898.2 897.6 894.8 889.4 888.5 887.9 896.1 901.0 903.4 904.5 904.5 DAY 2 3 26 27 23 16 22 23 22 27 15 30 1971 905.1 899.2 897.9 894.9 892.0 886.6 887.7 887.4 896.0 899.0 903.4 901.4 905.1 DAY 4 4 3 28 1 9 25 21 23 14 20 11 1972 904.0 902.6 899.0 895.4 897.0 892.4 887.3 892.2 895.9 901.9 901.0 904.5 904.5 DAY 5 24 15 8 24 1 21 27 22 26 24 26 1973 907.2 904.0 902.0 894.5 894.2 889.7 885.3 888.1 896.7 899.4 903.6 905.0 907.2 DAY 25 7 10 20 7 3 22 30 29 5 12 26 1974 901.8 901.3 900.1 893.1 893.8 888.1 886.3 887.0 893.7 902.0 903.5 902.7 903.5 DAY 5 4 7 2 2 1 28 3 30 14 18 31 1975 906.6 900.4 898.0 899.5 894.5 888.4 886.2 889.8 895.4 899.6 902.6 902.7 906.6 DAY 15 18 5 4 20 5 28 31 19 25 21 26 1976 900.7 901.8 898.2 897.0 892.0 890.1 885.3 888.0 893.1 899.6 904.0 903.9 904.0 DAY 1 21 4 4 12 21 22 27 26 31 12 13 1977 902.5 902.9 900.5 894.9 893.4 889.2 883.8 889.1 895.6 899.6 901.6 902.7 902.9 DAY 11 15 9 14 28 6 21 23 30 28 27 18 1978 901.9 901.6 896.5 892.7 894.3 890.1 889.8 888.4 894.0 898.9 906.0 903.4 906.0 DAY 13 6 8 2 4 5 8 21 28 8 26 24 1979 903.8 899.0 901.0 898.3 896.6 893.5 887.9 893.6 895.1 900.4 904.1 903.1 904.1 DAY 18 1 5 18 27 5 21 29 30 21 13 22 1980 901.5 900.2 896.3 898.0 892.7 892.1 888.5 890.9 895.2 898.4 901.6 901.9 901.9 DAY 9 1 25 20 1 2 18 31 28 23 27 13 1981 902.9 900.8 901.5 897.0 896.1 891.7 888.7 889.6 895.6 901.8 901.1 901.6 902.9 DAY 9 4 5 19 2 11 29 3 26 24 26 12 1982 902.3 901.0 898.0 899.6 896.7 890.4 887.3 890.1 895.3 899.9 906.4 902.9 906.4 DAY 21 20 31 4 12 7 10 31 21 25 18 9 1983 905.6 900.8 898.9 896.2 893.2 893.6 888.4 887.2 894.0 901.4 904.3 904.2 905.6 DAY 8 23 26 19 5 1 11 8 30 28 5 4 1984 904.0 903.1 899.1 894.7 891.0 889.1 886.7 885.7 894.5 902.9 902.4 903.1 904.0 DAY 4 20 3 1 5 4 22 29 21 21 27 18 1985 900.5 896.0 902.0 893.5 897.0 887.7 885.1 892.1 893.9 897.4 901.0 902.0 902.0 DAY 14 19 11 17 12 6 2 30 30 31 17 8 1986 903.3 899.7 899.4 895.2 895.0 889.2 889.0 890.9 897.0 901.0 902.4 900.4 903.3 DAY 24 22 27 15 19 2 3 29 22 20 15 7 1987 902.0 902.0 896.2 896.2 895.2 891.9 889.5 890.3 895.7 901.4 906.2 906.5 906.5 DAY 17 1 22 22 1 1 29 7 26 28 30 1 1988 903.7 903.0 896.6 898.2 891.9 890.9 885.3 888.1 894.0 899.2 902.3 905.0 905.0 DAY 3 7 17 3 2 1 29 26 30 3 15 29 1989 901.1 901.9 897.4 897.9 894.4 888.3 886.3 889.7 898.0 901.3 900.7 899.3 901.9 DAY 30 8 31 9 1 2 9 31 23 27 28 18 1990 903.5 899.7 900.7 895.7 892.5 889.4 887.3 888.2 893.2 902.1 903.4 904.6 904.6 DAY 26 8 10 3 17 4 15 15 26 19 23 28 1991 903.7 906.7 898.7 896.2 892.8 889.6 887.0 888.6 896.8 898.2 901.8 901.4 906.7 DAY 12 15 12 14 8 22 1 31 28 20 13 17 1992 905.7 899.1 903.0 895.5 895.3 890.1 887.0 892.2 894.5 898.5 902.2 901.5 905.7 DAY 10 16 12 12 28 1 6 31 1 29 4 11 1993 903.7 900.1 898.9 896.2 894.5 890.7 888.0 890.0 893.7 902.6 901.5 903.4 903.7 DAY 6 8 17 1 10 23 27 6 23 16 30 26 1994 902.3 898.5 897.9 902.1 893.6 888.3 884.4 886.3 899.8 901.2 900.2 903.4 903.4 DAY 28 4 17 5 6 8 13 16 23 10 2 8 1995 902.5 897.4 899.1 895.4 897.2 892.9 884.9 887.3 893.6 902.0 901.2 902.6 902.6 DAY 7 14 3 7 26 1 28 10 13 26 27 10 1996 901.6 898.1 895.6 898.8 894.5 888.0 890.3 890.6 894.4 900.3 906.5 904.2 906.5 DAY 28 13 1 7 3 12 3 31 25 19 18 7 1997 901.7 900.5 901.0 896.5 896.0 891.4 884.0 888.7 895.0 898.1 903.0 904.6 904.6 DAY 19 7 11 14 7 1 9 29 20 9 8 28 1998 901.5 901.0 897.9 897.8 896.3 891.5 888.0 889.0 893.3 898.9 901.4 904.8 904.8 DAY 4 23 27 11 7 6 22 28 13 25 21 9 1999 904.9 899.8 896.8 894.9 892.9 891.5 885.9 890.7 895.6 896.1 902.1 904.5 904.9 DAY 2 7 19 11 12 1 28 18 29 10 14 6 2000 901.1 900.2 895.2 894.6 891.4 889.1 891.5 889.8 893.2 899.0 905.0 903.1 905.0 DAY 24 10 3 3 5 3 20 23 29 16 17 17 2001 900.6 901.9 900.6 896.5 889.7 889.6 887.4 891.7 896.6 899.3 901.7 903.4 903.4 DAY 29 9 1 4 14 2 31 14 22 10 2 17 2002 902.0 902.2 903.0 898.2 891.7 889.7 888.8 887.8 895.3 898.3 903.9 903.0 903.9 DAY 26 1 11 1 15 25 30 29 30 10 18 4 2003 902.2 899.3 902.4 896.7 897.0 889.9 884.8 888.7 896.8 898.2 905.9 906.0 906.0 DAY 12 6 2 7 2 1 3 28 27 17 25 12 2004 899.9 902.1 899.2 895.9 892.6 890.7 888.6 889.6 896.7 900.7 913.6 918.7 918.7 DAY 12 10 23 12 3 1 17 30 26 27 29 3 2005 914.1 912.4 907.4 910.8 904.5 901.1 896.9 899.9 903.1 910.5 913.5 915.1 915.1 DAY 13 15 27 9 23 5 19 27 25 24 27 29 1956-2005 914.1 912.4 907.4 910.8 904.5 901.1 896.9 901.3 906.8 910.5 913.6 918.7 918.7 YEAR-DAY 5-13 5-15 5-27 5- 9 5-23 5- 5 5-19 57-29 57- 9 5-24 4-29 4- 3 4- 3 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 117 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MIN. OF QFE PRESSURE IN HPA AT 1500 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 878.9 879.1 884.9 886.5 891.3 892.6 893.1 ****** DAY ** ** ** ** ** 2 15 4 12 28 8 11 1957 889.2 889.6 885.6 887.1 886.7 881.1 878.0 889.9 890.8 890.2 891.6 891.0 878.0 DAY 12 5 16 4 30 6 13 8 28 4 18 5 1958 894.8 893.4 893.6 892.0 892.0 883.8 875.2 883.0 886.0 891.6 893.6 892.8 875.2 DAY 6 5 9 29 1 21 9 2 4 9 7 1 1959 888.0 886.6 889.8 888.0 882.6 878.2 880.0 879.2 883.2 887.6 891.4 892.2 878.2 DAY 23 17 24 19 23 28 2 3 6 30 25 12 1960 891.4 890.1 884.2 887.5 882.2 880.1 878.4 881.7 884.6 889.2 890.4 893.1 878.4 DAY 27 29 9 20 31 30 1 12 2 11 19 30 1961 891.9 886.6 886.8 883.7 880.4 879.5 879.4 881.3 883.4 889.9 891.8 889.2 879.4 DAY 27 17 17 8 30 6 15 8 11 2 24 22 1962 890.8 889.6 885.0 882.4 884.4 880.6 881.2 883.1 885.2 889.4 895.7 891.8 880.6 DAY 27 20 29 5 25 10 13 2 17 9 3 25 1963 893.3 889.0 884.4 883.7 882.6 879.0 881.3 882.7 885.5 891.7 891.0 887.4 879.0 DAY 4 13 13 15 11 17 5 7 7 2 25 11 1964 881.1 890.1 888.8 882.2 884.0 877.2 878.9 878.6 885.6 889.2 886.9 893.2 877.2 DAY 19 10 4 9 12 29 11 2 2 3 27 24 1965 887.6 886.7 887.7 883.5 886.0 880.2 881.1 885.1 889.0 887.3 892.4 890.9 880.2 DAY 10 9 23 21 29 24 12 1 22 25 9 20 1966 893.8 889.2 881.2 885.0 887.0 879.7 881.6 881.7 888.0 889.4 898.3 889.1 879.7 DAY 27 14 20 14 26 27 17 5 1 15 30 12 1967 891.5 888.5 879.6 884.1 885.7 882.4 877.9 881.4 885.5 888.9 893.5 886.7 877.9 DAY 21 6 24 26 18 19 10 4 7 3 27 23 1968 887.0 886.6 885.4 885.9 887.5 879.4 880.1 883.0 886.2 890.8 894.1 889.9 879.4 DAY 22 3 18 24 17 23 12 13 7 25 18 9 1969 888.1 890.1 887.5 886.6 885.3 881.5 880.8 882.9 886.2 889.8 892.3 891.0 880.8 DAY 25 14 21 17 29 22 22 7 11 29 9 14 1970 888.2 886.1 890.3 888.2 884.4 881.6 880.0 880.2 884.3 887.5 892.9 888.5 880.0 DAY 22 23 23 19 30 9 1 7 1 8 30 14 1971 889.1 886.8 885.7 887.5 883.1 876.7 881.2 881.7 885.5 889.8 892.4 886.3 876.7 DAY 13 13 20 15 29 5 23 9 2 1 8 20 1972 887.9 887.5 885.4 886.7 883.5 879.0 879.2 879.9 885.0 893.9 892.1 890.3 879.0 DAY 29 9 2 24 3 24 3 1 11 17 7 17 1973 889.4 885.5 887.0 885.2 882.3 876.0 877.3 882.6 885.9 892.1 891.2 888.3 876.0 DAY 16 22 8 24 30 15 16 12 3 18 3 7 1974 884.6 889.2 887.6 883.9 883.5 881.1 878.7 880.7 883.1 894.5 891.7 888.6 878.7 DAY 18 12 31 29 27 3 20 11 3 18 26 13 1975 890.7 886.1 887.3 884.3 885.4 882.1 881.5 878.9 884.5 886.5 886.3 891.9 878.9 DAY 5 11 26 24 25 30 17 14 10 3 29 23 1976 890.0 887.0 885.0 888.0 884.2 881.5 878.5 882.8 885.6 888.3 885.6 890.2 878.5 DAY 30 23 11 5 7 6 19 1 18 18 29 31 1977 888.9 888.8 887.2 883.2 883.8 878.6 877.2 881.4 888.7 889.7 887.8 891.5 877.2 DAY 17 25 30 7 25 23 2 18 7 5 17 22 1978 886.9 890.1 886.2 885.5 879.8 874.1 877.9 882.8 882.8 890.4 891.2 889.3 874.1 DAY 21 25 15 19 30 22 2 5 2 1 11 16 1979 888.7 887.1 885.9 887.4 885.5 880.6 880.9 882.7 887.9 891.1 889.0 889.4 880.6 DAY 11 11 31 12 8 22 6 1 5 4 29 20 1980 887.4 887.6 881.0 887.1 885.4 880.2 882.2 881.0 887.5 890.8 892.0 889.5 880.2 DAY 24 29 2 26 29 17 3 11 19 4 16 28 1981 886.2 888.9 885.9 884.1 883.3 881.5 878.3 882.7 886.7 891.7 892.4 890.4 878.3 DAY 3 11 31 29 12 16 2 14 22 16 5 26 1982 885.1 887.1 886.5 883.8 887.3 881.8 876.9 877.6 886.9 890.1 891.0 887.6 876.9 DAY 17 14 25 18 23 25 31 1 13 1 13 7 1983 884.5 887.9 887.3 886.2 885.2 880.7 879.4 880.9 883.6 889.4 893.7 887.4 879.4 DAY 24 28 6 1 12 28 27 4 9 4 11 27 1984 886.2 887.0 885.7 885.0 883.0 879.9 880.7 881.0 884.4 890.5 891.2 890.7 879.9 DAY 29 8 15 26 29 7 15 8 1 18 14 7 1985 891.0 882.0 886.0 884.7 883.7 880.8 880.5 883.0 885.3 887.6 892.5 887.3 880.5 DAY 2 16 24 11 21 19 27 7 7 11 6 5 1986 885.4 886.4 884.5 885.5 884.4 878.0 882.3 884.1 888.8 892.0 888.0 886.8 878.0 DAY 20 16 8 30 10 20 19 4 5 24 7 20 1987 887.0 888.5 884.1 887.0 887.0 881.8 879.8 881.4 885.8 889.5 891.6 888.2 879.8 DAY 2 10 14 4 23 11 3 29 2 4 7 31 1988 886.2 887.1 884.5 886.2 884.9 879.0 877.8 880.8 883.7 890.5 891.2 887.9 877.8 DAY 19 3 23 23 24 25 8 4 1 8 20 26 1989 888.1 887.4 885.2 886.7 884.3 879.7 882.0 882.3 884.2 888.5 894.5 891.7 879.7 DAY 12 14 29 29 31 7 18 1 12 2 20 5 1990 889.7 884.3 886.4 883.6 882.3 881.0 877.4 881.9 884.6 889.4 890.2 887.2 877.4 DAY 16 24 25 15 13 29 4 8 3 2 1 25 1991 886.9 890.4 885.8 885.3 881.6 880.7 877.2 881.0 886.0 892.9 891.4 888.7 877.2 DAY 25 8 7 11 28 12 14 12 3 4 6 22 1992 889.1 885.7 884.7 884.3 886.1 876.9 881.0 881.3 888.0 889.5 890.1 890.6 876.9 DAY 23 11 24 18 4 27 18 1 8 6 26 4 1993 886.7 889.0 883.6 884.9 880.5 881.9 880.8 882.7 886.5 889.4 890.3 892.1 880.5 DAY 8 23 22 12 29 3 13 12 4 3 14 4 1994 889.0 885.6 887.1 885.6 886.5 877.8 878.2 879.0 884.6 891.3 890.9 887.7 877.8 DAY 16 12 15 3 27 29 21 3 1 2 26 4 1995 890.8 889.5 885.4 886.6 883.6 879.7 876.5 880.2 886.9 889.5 890.9 892.3 876.5 DAY 1 23 26 15 14 17 16 3 19 13 25 4 1996 891.3 886.3 886.0 886.6 886.4 883.0 882.7 882.2 881.9 888.2 893.1 891.7 881.9 DAY 12 5 14 3 19 19 25 7 20 6 9 15 1997 883.4 889.2 883.9 886.6 885.9 879.6 877.5 882.9 886.1 892.3 890.5 889.3 877.5 DAY 17 27 17 10 5 19 16 1 3 23 13 10 1998 883.6 883.4 885.7 887.2 882.1 883.0 876.7 883.5 884.9 888.3 893.1 892.4 876.7 DAY 13 15 15 20 30 29 8 22 6 3 1 18 1999 887.8 888.0 887.4 887.0 881.7 877.9 880.5 882.2 884.4 889.9 890.5 892.3 877.9 DAY 18 6 3 14 20 23 2 6 16 13 1 15 2000 888.5 885.2 884.7 886.8 881.6 879.2 880.0 882.3 880.7 888.9 889.7 890.6 879.2 DAY 21 7 2 22 27 25 9 31 2 2 6 11 2001 890.9 885.5 883.9 885.8 879.8 879.8 877.0 882.3 884.6 889.1 890.5 891.0 877.0 DAY 19 21 26 10 25 10 18 27 5 2 18 5 2002 890.1 889.8 887.6 883.3 882.8 877.6 880.4 881.3 887.5 892.7 891.7 887.4 877.6 DAY 22 25 22 4 13 21 25 17 18 12 13 22 2003 888.2 884.6 886.7 885.9 883.8 877.7 877.8 880.9 884.7 890.8 889.5 892.5 877.7 DAY 28 17 29 17 23 30 25 1 12 5 14 6 2004 885.9 888.9 884.3 884.0 881.1 879.3 882.0 881.5 886.5 893.1 902.5 902.2 879.3 DAY 27 2 31 17 13 17 11 15 11 3 24 15 2005 898.3 898.5 894.8 895.1 894.0 887.2 888.7 892.6 896.0 900.7 903.4 903.8 887.2 DAY 23 5 24 30 6 27 4 7 5 4 8 24 1956-2005 881.1 882.0 879.6 882.2 879.8 874.1 875.2 877.6 880.7 886.5 885.6 886.3 874.1 YEAR-DAY 64-19 85-16 67-24 64- 9 78-30 78-22 58- 9 82- 1 0- 2 75- 3 76-29 71-20 78-22 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 118 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF QNH PRESSURE IN HPA AT 1500 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1004.5 1004.3 1009.3 1011.7 1018.4 1020.9 1021.4 ****** 1957 1017.1 1018.6 1014.7 1013.8 1011.8 1008.7 1007.3 1018.3 1021.1 1018.3 1019.9 1019.4 1015.8 1958 1019.6 1018.8 1016.7 1015.8 1015.2 1008.8 1004.6 1008.3 1011.4 1017.8 1022.7 1019.7 1015.0 1959 1019.3 1014.2 1015.5 1015.0 1010.9 1008.5 1004.5 1003.6 1008.0 1015.9 1019.4 1022.5 1013.1 1960 1020.3 1018.0 1014.0 1013.6 1012.5 1005.9 1003.7 1005.4 1012.1 1018.1 1020.2 1021.3 1013.7 1961 1019.7 1016.8 1014.1 1012.9 1009.9 1007.2 1002.9 1006.4 1008.1 1017.9 1019.4 1018.7 1012.8 1962 1019.1 1016.2 1013.6 1011.9 1010.4 1007.8 1004.8 1008.3 1012.3 1018.0 1022.3 1019.3 1013.7 1963 1018.9 1016.9 1012.4 1011.6 1009.1 1007.2 1004.5 1006.5 1012.6 1016.7 1018.1 1018.7 1012.8 1964 1019.9 1015.5 1014.2 1011.1 1010.8 1005.5 1003.5 1004.0 1011.9 1018.9 1020.2 1022.3 1013.1 1965 1016.5 1015.5 1015.5 1011.6 1011.5 1007.3 1004.7 1009.9 1014.6 1017.4 1020.5 1020.0 1013.7 1966 1020.6 1016.1 1014.5 1013.7 1013.1 1007.2 1005.4 1008.2 1012.9 1018.1 1024.4 1019.3 1014.5 1967 1021.1 1016.4 1012.4 1012.6 1012.3 1007.7 1003.3 1006.3 1010.9 1019.4 1018.7 1018.9 1013.3 1968 1016.4 1017.8 1015.2 1014.4 1013.6 1007.0 1006.0 1007.7 1013.3 1018.5 1021.6 1019.0 1014.2 1969 1018.6 1018.4 1015.1 1014.1 1011.6 1008.0 1004.5 1009.3 1014.0 1017.7 1021.3 1020.3 1014.4 1970 1018.5 1017.2 1015.7 1014.9 1010.9 1006.4 1004.7 1004.8 1011.1 1016.6 1019.9 1019.5 1013.3 1971 1020.0 1014.3 1015.8 1012.1 1008.9 1002.8 1004.5 1005.5 1013.0 1017.3 1019.4 1016.8 1012.5 1972 1017.8 1018.1 1014.1 1012.6 1010.5 1006.5 1004.8 1009.2 1013.1 1018.5 1018.3 1019.5 1013.6 1973 1020.1 1015.7 1014.7 1011.9 1008.9 1003.7 1002.2 1006.4 1011.5 1017.2 1018.6 1019.5 1012.5 1974 1016.7 1017.6 1015.6 1010.7 1009.8 1005.5 1003.4 1005.6 1010.9 1018.7 1019.8 1018.7 1012.8 1975 1018.6 1015.2 1013.9 1013.7 1010.4 1006.1 1003.9 1005.2 1011.1 1015.0 1019.3 1019.5 1012.7 1976 1016.2 1015.6 1013.8 1013.0 1009.9 1007.0 1002.1 1006.1 1011.0 1015.1 1020.8 1020.0 1012.6 1977 1017.6 1019.1 1016.3 1011.2 1010.3 1004.5 1001.5 1006.2 1013.1 1016.6 1017.7 1018.5 1012.7 1978 1018.7 1017.1 1014.2 1011.0 1008.8 1004.6 1004.3 1005.8 1011.1 1018.0 1019.6 1019.1 1012.7 1979 1018.4 1014.5 1014.2 1013.6 1013.2 1007.6 1005.6 1007.9 1014.0 1017.7 1020.6 1018.4 1013.8 1980 1017.2 1016.1 1014.1 1012.5 1010.3 1006.0 1005.7 1006.3 1012.2 1015.5 1018.9 1018.2 1012.8 1981 1018.4 1015.7 1013.0 1011.7 1010.5 1006.8 1004.4 1007.3 1013.8 1019.0 1018.5 1018.8 1013.2 1982 1017.1 1014.5 1013.8 1012.8 1013.1 1007.1 1005.0 1005.2 1013.6 1016.6 1018.2 1019.6 1013.0 1983 1018.3 1016.1 1014.7 1012.7 1010.4 1007.4 1004.8 1004.8 1009.7 1017.1 1020.6 1019.6 1013.0 1984 1017.3 1019.1 1014.7 1011.7 1009.2 1004.8 1004.5 1004.0 1012.1 1019.0 1018.7 1020.0 1012.9 1985 1017.9 1011.4 1015.3 1010.3 1010.2 1004.9 1003.3 1008.1 1011.3 1015.5 1018.9 1018.0 1012.1 1986 1017.6 1014.7 1013.3 1011.8 1011.2 1003.9 1006.2 1008.5 1013.7 1017.0 1016.8 1017.1 1012.7 1987 1017.6 1017.5 1011.2 1013.4 1012.2 1007.8 1006.8 1006.2 1011.1 1018.0 1019.4 1018.7 1013.3 1988 1016.9 1015.4 1011.8 1012.4 1009.3 1005.9 1002.0 1004.8 1010.4 1017.1 1018.9 1017.9 1011.9 1989 1016.7 1018.1 1012.2 1013.5 1011.2 1006.1 1005.2 1007.1 1010.3 1016.5 1019.3 1017.5 1012.8 1990 1017.2 1013.6 1015.6 1010.8 1008.5 1005.4 1003.5 1005.9 1010.1 1017.1 1019.4 1018.6 1012.1 1991 1017.9 1017.3 1013.7 1012.8 1007.9 1006.1 1003.5 1005.7 1012.3 1017.6 1019.5 1017.5 1012.6 1992 1017.4 1013.5 1013.7 1011.5 1011.9 1005.6 1004.3 1007.4 1012.4 1016.3 1019.4 1017.8 1012.6 1993 1018.1 1017.0 1014.9 1012.2 1010.5 1006.1 1005.2 1008.4 1011.1 1019.7 1018.5 1020.6 1013.5 1994 1017.9 1013.4 1014.4 1013.3 1010.8 1003.5 1001.7 1004.4 1014.3 1018.6 1017.6 1019.8 1012.5 1995 1019.2 1016.1 1014.7 1012.3 1011.6 1005.8 1000.8 1005.5 1011.1 1016.5 1018.1 1020.5 1012.7 1996 1019.0 1014.7 1012.7 1012.9 1011.8 1006.4 1006.0 1007.2 1009.3 1016.4 1020.8 1020.8 1013.2 1997 1016.8 1016.5 1011.9 1012.1 1012.1 1006.3 1002.1 1006.2 1011.9 1016.8 1019.0 1018.2 1012.5 1998 1015.9 1015.5 1014.4 1012.7 1010.8 1008.6 1004.0 1007.7 1011.0 1016.2 1019.5 1021.0 1013.1 1999 1017.8 1016.2 1012.9 1012.4 1009.5 1005.7 1003.8 1006.9 1009.8 1015.5 1017.7 1021.6 1012.5 2000 1016.8 1015.6 1013.5 1011.3 1006.6 1005.4 1005.8 1007.1 1009.7 1016.2 1019.6 1018.6 1012.2 2001 1018.5 1015.8 1013.9 1011.1 1007.2 1003.8 1003.3 1007.7 1011.5 1015.7 1018.2 1020.4 1012.3 2002 1018.0 1017.0 1014.8 1010.7 1008.7 1005.6 1006.3 1005.6 1012.7 1016.6 1019.2 1017.9 1012.8 2003 1018.0 1013.4 1014.4 1012.8 1011.7 1005.0 1002.5 1007.3 1011.2 1016.6 1019.3 1020.8 1012.8 2004 1015.6 1016.8 1015.4 1011.9 1009.0 1005.8 1006.3 1006.3 1012.9 1019.1 1030.9 1032.0 1015.2 2005 1030.8 1028.0 1026.0 1027.0 1023.6 1017.6 1016.2 1018.7 1022.5 1029.7 1032.3 1033.4 1025.5 MEAN 1018.4 1016.4 1014.4 1012.8 1010.9 1006.4 1004.5 1007.1 1012.1 1017.6 1020.0 1019.9 1013.4 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 119 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MAX. OF QNH PRESSURE IN HPA AT 1500 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1009.4 1008.1 1017.2 1017.2 1023.7 1026.0 1026.5 ****** DAY ** ** ** ** ** 6 17 30 30 26 20 19 1957 1024.1 1026.2 1020.5 1020.8 1016.9 1012.0 1014.9 1023.9 1030.0 1023.3 1028.4 1025.7 1030.0 DAY 13 8 3 16 11 17 31 29 9 31 24 29 1958 1024.4 1023.5 1020.0 1021.1 1023.3 1013.8 1009.6 1011.8 1016.9 1022.6 1027.1 1026.4 1027.1 DAY 2 13 31 2 13 1 29 25 30 22 3 5 1959 1024.6 1020.9 1022.0 1021.8 1017.1 1012.9 1008.0 1007.0 1013.7 1023.6 1023.9 1029.3 1029.3 DAY 3 3 9 8 4 21 16 31 25 20 21 16 1960 1026.3 1026.1 1022.3 1021.1 1020.2 1011.2 1008.0 1007.3 1015.5 1025.0 1025.7 1028.3 1028.3 DAY 19 1 20 8 5 3 19 31 12 30 26 5 1961 1028.1 1024.4 1025.4 1019.3 1015.9 1015.2 1007.0 1010.0 1015.1 1025.1 1025.3 1027.2 1028.1 DAY 10 22 4 18 14 10 24 10 29 31 1 3 1962 1026.6 1025.6 1022.4 1019.9 1016.0 1014.1 1009.9 1012.2 1020.1 1023.5 1028.0 1027.1 1028.0 DAY 19 11 3 19 17 2 30 9 29 27 23 1 1963 1021.8 1024.8 1022.1 1016.9 1013.9 1018.0 1007.2 1009.7 1018.4 1020.4 1021.2 1024.6 1024.8 DAY 27 4 23 2 15 11 24 24 24 11 27 20 1964 1028.6 1022.8 1020.1 1019.0 1014.9 1013.9 1007.7 1009.4 1018.8 1023.0 1027.2 1027.7 1028.6 DAY 30 17 23 25 10 2 21 31 29 25 30 2 1965 1023.9 1022.3 1020.6 1016.5 1018.1 1013.7 1007.9 1013.0 1018.7 1021.9 1024.8 1024.9 1024.9 DAY 16 1 16 24 21 3 9 9 30 29 28 4 1966 1025.4 1023.2 1022.6 1022.1 1017.0 1014.8 1009.4 1013.0 1016.1 1024.4 1028.0 1027.7 1028.0 DAY 1 26 3 5 13 2 10 17 19 31 22 7 1967 1028.2 1024.0 1024.3 1019.8 1019.4 1014.9 1008.9 1009.9 1015.1 1025.3 1022.6 1024.5 1028.2 DAY 6 28 3 4 2 7 15 16 26 15 6 16 1968 1025.1 1025.2 1024.6 1020.3 1019.5 1015.8 1010.2 1015.0 1018.1 1024.5 1027.3 1026.2 1027.3 DAY 19 6 27 1 2 1 19 30 20 16 24 21 1969 1026.4 1026.9 1020.2 1017.1 1018.1 1015.5 1007.6 1015.5 1021.0 1021.3 1028.3 1024.9 1028.3 DAY 9 3 25 28 22 3 13 31 13 5 23 12 1970 1026.6 1023.0 1020.4 1019.8 1016.7 1010.7 1009.7 1009.0 1018.1 1023.5 1026.2 1027.4 1027.4 DAY 2 3 26 27 23 16 22 23 22 27 15 30 1971 1028.1 1021.5 1020.1 1016.8 1013.5 1007.6 1008.8 1008.4 1018.0 1021.3 1026.2 1024.0 1028.1 DAY 4 4 3 28 1 9 25 21 23 14 20 11 1972 1026.9 1025.3 1021.3 1017.3 1019.1 1014.0 1008.3 1013.8 1017.9 1024.5 1023.5 1027.4 1027.4 DAY 5 24 15 8 24 1 21 27 22 26 24 26 1973 1030.4 1026.9 1024.6 1016.3 1016.0 1011.0 1006.1 1009.2 1018.8 1021.8 1026.4 1028.0 1030.4 DAY 25 7 10 20 7 3 22 30 29 5 12 26 1974 1024.4 1023.9 1022.5 1014.8 1015.5 1009.2 1007.2 1008.0 1015.4 1024.6 1026.3 1025.4 1026.3 DAY 5 4 7 2 2 1 28 3 30 14 18 31 1975 1029.7 1022.9 1020.2 1021.9 1016.3 1009.6 1007.1 1011.1 1017.3 1022.0 1025.3 1025.4 1029.7 DAY 15 18 5 4 20 5 28 31 19 25 21 26 1976 1023.2 1024.4 1020.4 1019.1 1013.5 1011.4 1006.1 1009.1 1014.8 1022.0 1026.9 1026.7 1026.9 DAY 1 21 4 4 12 21 22 27 26 31 12 13 1977 1025.2 1025.6 1023.0 1016.8 1015.1 1010.4 1004.4 1010.3 1017.5 1022.0 1024.2 1025.4 1025.6 DAY 11 15 9 14 28 6 21 23 30 28 27 18 1978 1024.5 1024.2 1018.5 1014.3 1016.1 1011.4 1011.1 1009.6 1015.8 1021.2 1029.1 1026.2 1029.1 DAY 13 6 8 2 4 5 8 21 28 8 26 24 1979 1026.6 1021.3 1023.5 1020.5 1018.7 1015.2 1009.0 1015.3 1017.0 1022.9 1027.0 1025.9 1027.0 DAY 18 1 5 18 27 5 21 29 30 21 13 22 1980 1024.1 1022.6 1018.3 1020.2 1014.3 1013.7 1009.7 1012.3 1017.1 1020.6 1024.2 1024.5 1024.5 DAY 9 1 25 20 1 2 18 31 28 23 27 13 1981 1025.6 1023.3 1024.1 1019.1 1018.1 1013.2 1009.9 1010.9 1017.5 1024.4 1023.6 1024.2 1025.6 DAY 9 4 5 19 2 11 29 3 26 24 26 12 1982 1025.0 1023.5 1020.2 1022.0 1018.8 1011.8 1008.3 1011.4 1017.2 1022.3 1029.5 1025.6 1029.5 DAY 21 20 31 4 12 7 10 31 21 25 18 9 1983 1028.6 1023.3 1021.2 1018.2 1014.9 1015.3 1009.6 1008.2 1015.8 1024.0 1027.2 1027.1 1028.6 DAY 8 23 26 19 5 1 11 8 30 28 5 4 1984 1026.9 1025.9 1021.4 1016.5 1012.4 1010.3 1007.7 1006.6 1016.3 1025.6 1025.1 1025.9 1026.9 DAY 4 20 3 1 5 4 22 29 21 21 27 18 1985 1023.0 1018.0 1024.6 1015.2 1019.1 1008.8 1005.9 1013.7 1015.7 1019.5 1023.5 1024.6 1024.6 DAY 14 19 11 17 12 6 2 30 30 31 17 8 1986 1026.1 1022.1 1021.8 1017.1 1016.9 1010.4 1010.2 1012.3 1019.1 1023.5 1025.1 1022.9 1026.1 DAY 24 22 27 15 19 2 3 29 22 20 15 7 1987 1024.6 1024.6 1018.2 1018.2 1017.1 1013.4 1010.8 1011.7 1017.7 1024.0 1029.3 1029.6 1029.6 DAY 17 1 22 22 1 1 29 7 26 28 30 1 1988 1026.5 1025.7 1018.7 1020.4 1013.4 1012.3 1006.1 1009.2 1015.8 1021.5 1025.0 1028.0 1028.0 DAY 3 7 17 3 2 1 29 26 30 3 15 29 1989 1023.6 1024.5 1019.5 1020.1 1016.2 1009.4 1007.2 1011.0 1020.2 1023.9 1023.2 1021.6 1024.5 DAY 30 8 31 9 1 2 9 31 23 27 28 18 1990 1026.3 1022.1 1023.2 1017.7 1014.1 1010.7 1008.3 1009.3 1014.9 1024.8 1026.2 1027.5 1027.5 DAY 26 8 10 3 17 4 15 15 26 19 23 28 1991 1026.5 1029.9 1021.0 1018.2 1014.4 1010.9 1008.0 1009.8 1018.9 1020.4 1024.4 1024.0 1029.9 DAY 12 15 12 14 8 22 1 31 28 20 13 17 1992 1028.7 1021.4 1025.7 1017.4 1017.2 1011.4 1008.0 1013.8 1016.3 1020.8 1024.9 1024.1 1028.7 DAY 10 16 12 12 28 1 6 31 1 29 4 11 1993 1026.5 1022.5 1021.2 1018.2 1016.3 1012.1 1009.1 1011.3 1015.4 1025.3 1024.1 1026.2 1026.5 DAY 6 8 17 1 10 23 27 6 23 16 30 26 1994 1025.0 1020.8 1020.1 1024.8 1015.3 1009.4 1005.1 1007.2 1022.2 1023.7 1022.6 1026.2 1026.2 DAY 28 4 17 5 6 8 13 16 23 10 2 8 1995 1025.2 1019.5 1021.4 1017.3 1019.3 1014.5 1005.7 1008.3 1015.3 1024.6 1023.7 1025.3 1025.3 DAY 7 14 3 7 26 1 28 10 13 26 27 10 1996 1024.2 1020.3 1017.5 1021.1 1016.3 1009.1 1011.7 1012.0 1016.2 1022.8 1029.6 1027.1 1029.6 DAY 28 13 1 7 3 12 3 31 25 19 18 7 1997 1024.3 1023.0 1023.5 1018.5 1018.0 1012.9 1004.7 1009.9 1016.9 1020.3 1025.7 1027.5 1027.5 DAY 19 7 11 14 7 1 9 29 20 9 8 28 1998 1024.1 1023.5 1020.1 1020.0 1018.3 1013.0 1009.1 1010.2 1015.0 1021.2 1024.0 1027.7 1027.7 DAY 4 23 27 11 7 6 22 28 13 25 21 9 1999 1027.9 1022.2 1018.9 1016.8 1014.5 1013.0 1006.8 1012.1 1017.5 1018.1 1024.8 1027.4 1027.9 DAY 2 7 19 11 12 1 28 18 29 10 14 6 2000 1023.6 1022.6 1017.1 1016.4 1012.9 1010.3 1013.0 1011.1 1014.9 1021.3 1028.0 1025.9 1028.0 DAY 24 10 3 3 5 3 20 23 29 16 17 17 2001 1023.1 1024.5 1023.1 1018.5 1011.0 1010.9 1008.4 1013.2 1018.7 1021.6 1024.3 1026.2 1026.2 DAY 29 9 1 4 14 2 31 14 22 10 2 17 2002 1024.6 1024.9 1025.7 1020.4 1013.2 1011.0 1010.0 1008.9 1017.2 1020.5 1026.7 1025.7 1026.7 DAY 26 1 11 1 15 25 30 29 30 10 18 4 2003 1024.9 1021.6 1025.1 1018.8 1019.1 1011.2 1005.6 1009.9 1018.9 1020.4 1029.0 1029.1 1029.1 DAY 12 6 2 7 2 1 3 28 27 17 25 12 2004 1022.3 1024.8 1021.5 1017.9 1014.2 1012.1 1009.8 1010.9 1018.8 1023.2 1037.5 1043.2 1043.2 DAY 12 10 23 12 3 1 17 30 26 27 29 3 2005 1038.1 1036.2 1030.6 1034.4 1027.4 1023.6 1019.0 1022.3 1025.9 1034.1 1037.4 1039.2 1039.2 DAY 13 15 27 9 23 5 19 27 25 24 27 29 1956-2005 1038.1 1036.2 1030.6 1034.4 1027.4 1023.6 1019.0 1023.9 1030.0 1034.1 1037.5 1043.2 1043.2 YEAR-DAY 5-13 5-15 5-27 5- 9 5-23 5- 5 5-19 57-29 57- 9 5-24 4-29 4- 3 4- 3 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 120 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MIN. OF QNH PRESSURE IN HPA AT 1500 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 999.0 999.2 1005.7 1007.4 1012.8 1014.2 1014.8 ****** DAY ** ** ** ** ** 2 15 4 12 28 8 11 1957 1010.4 1010.9 1006.4 1008.1 1007.7 1001.5 998.0 1011.2 1012.2 1011.6 1013.1 1012.4 998.0 DAY 12 5 16 4 30 6 13 8 28 4 18 5 1958 1016.7 1015.1 1015.3 1013.5 1013.5 1004.4 994.9 1003.6 1006.9 1013.1 1015.3 1014.4 994.9 DAY 6 5 9 29 1 21 9 2 4 9 7 1 1959 1009.1 1007.6 1011.1 1009.1 1003.1 998.2 1000.2 999.3 1003.8 1008.7 1012.9 1013.8 998.2 DAY 23 17 24 19 23 28 2 3 6 30 25 12 1960 1012.9 1011.4 1004.9 1008.6 1002.7 1000.3 998.5 1002.1 1005.3 1010.4 1011.8 1014.8 998.5 DAY 27 29 9 20 31 30 1 12 2 11 19 30 1961 1013.4 1007.6 1007.8 1004.3 1000.7 999.7 999.6 1001.7 1004.0 1011.2 1013.3 1010.4 999.6 DAY 27 17 17 8 30 6 15 8 11 2 24 22 1962 1012.2 1010.9 1005.8 1002.9 1005.1 1000.9 1001.6 1003.7 1006.0 1010.7 1017.7 1013.3 1000.9 DAY 27 20 29 5 25 10 13 2 17 9 3 25 1963 1015.0 1010.2 1005.1 1004.3 1003.1 999.1 1001.7 1003.2 1006.3 1013.2 1012.4 1008.4 999.1 DAY 4 13 13 15 11 17 5 7 7 2 25 11 1964 1001.5 1011.4 1010.0 1002.7 1004.7 997.1 999.0 998.7 1006.4 1010.4 1007.9 1014.9 997.1 DAY 19 10 4 9 12 29 11 2 2 3 27 24 1965 1008.7 1007.7 1008.8 1004.1 1006.9 1000.5 1001.5 1005.9 1010.2 1008.3 1014.0 1012.3 1000.5 DAY 10 9 23 21 29 24 12 1 22 25 9 20 1966 1015.5 1010.4 1001.6 1005.8 1008.0 999.9 1002.0 1002.1 1009.1 1010.7 1020.5 1010.3 999.9 DAY 27 14 20 14 26 27 17 5 1 15 30 12 1967 1013.0 1009.7 999.8 1004.8 1006.6 1002.9 997.9 1001.8 1006.3 1010.1 1015.2 1007.7 997.9 DAY 21 6 24 26 18 19 10 4 7 3 27 23 1968 1008.0 1007.6 1006.2 1006.8 1008.6 999.6 1000.3 1003.6 1007.1 1012.2 1015.9 1011.2 999.6 DAY 22 3 18 24 17 23 12 13 7 25 18 9 1969 1009.2 1011.4 1008.6 1007.6 1006.1 1001.9 1001.1 1003.5 1007.1 1011.1 1013.9 1012.4 1001.1 DAY 25 14 21 17 29 22 22 7 11 29 9 14 1970 1009.3 1007.0 1011.7 1009.3 1005.1 1002.0 1000.2 1000.5 1005.0 1008.6 1014.5 1009.7 1000.2 DAY 22 23 23 19 30 9 1 7 1 8 30 14 1971 1010.3 1007.8 1006.6 1008.6 1003.7 996.6 1001.6 1002.1 1006.3 1011.1 1014.0 1007.2 996.6 DAY 13 13 20 15 29 5 23 9 2 1 8 20 1972 1009.0 1008.6 1006.2 1007.7 1004.1 999.1 999.3 1000.1 1005.8 1015.7 1013.7 1011.7 999.1 DAY 29 9 2 24 3 24 3 1 11 17 7 17 1973 1010.7 1006.3 1008.0 1006.0 1002.8 995.8 997.2 1003.1 1006.8 1013.7 1012.7 1009.4 995.8 DAY 16 22 8 24 30 15 16 12 3 18 3 7 1974 1005.3 1010.4 1008.7 1004.6 1004.1 1001.5 998.8 1001.0 1003.7 1016.3 1013.2 1009.8 998.8 DAY 18 12 31 29 27 3 20 11 3 18 26 13 1975 1012.1 1007.0 1008.3 1005.0 1006.2 1002.6 1001.9 999.0 1005.2 1007.4 1007.2 1013.4 999.0 DAY 5 11 26 24 25 30 17 14 10 3 29 23 1976 1011.3 1008.0 1005.8 1009.1 1004.9 1001.9 998.6 1003.3 1006.4 1009.4 1006.4 1011.6 998.6 DAY 30 23 11 5 7 6 19 1 18 18 29 31 1977 1010.1 1010.0 1008.2 1003.8 1004.4 998.7 997.1 1001.8 1009.9 1011.0 1008.9 1013.0 997.1 DAY 17 25 30 7 25 23 2 18 7 5 17 22 1978 1007.9 1011.4 1007.1 1006.3 1000.0 993.7 997.9 1003.3 1003.3 1011.8 1012.7 1010.6 993.7 DAY 21 25 15 19 30 22 2 5 2 1 11 16 1979 1009.9 1008.1 1006.8 1008.4 1006.3 1000.9 1001.2 1003.2 1009.0 1012.5 1010.2 1010.7 1000.9 DAY 11 11 31 12 8 22 6 1 5 4 29 20 1980 1008.4 1008.7 1001.3 1008.1 1006.2 1000.5 1002.7 1001.3 1008.6 1012.2 1013.5 1010.8 1000.5 DAY 24 29 2 26 29 17 3 11 19 4 16 28 1981 1007.1 1010.1 1006.8 1004.8 1003.9 1001.9 998.3 1003.2 1007.7 1013.2 1014.0 1011.8 998.3 DAY 3 11 31 29 12 16 2 14 22 16 5 26 1982 1005.9 1008.1 1007.4 1004.4 1008.3 1002.2 996.8 997.6 1007.9 1011.4 1012.4 1008.7 996.8 DAY 17 14 25 18 23 25 31 1 13 1 13 7 1983 1005.2 1009.0 1008.3 1007.1 1006.0 1001.0 999.6 1001.2 1004.2 1010.7 1015.4 1008.4 999.6 DAY 24 28 6 1 12 28 27 4 9 4 11 27 1984 1007.1 1008.0 1006.6 1005.8 1003.6 1000.1 1001.0 1001.3 1005.1 1011.9 1012.7 1012.1 1000.1 DAY 29 8 15 26 29 7 15 8 1 18 14 7 1985 1012.4 1002.5 1006.9 1005.4 1004.3 1001.1 1000.8 1003.6 1006.1 1008.7 1014.1 1008.3 1000.8 DAY 2 16 24 11 21 19 27 7 7 11 6 5 1986 1006.2 1007.3 1005.2 1006.3 1005.1 998.0 1002.8 1004.8 1010.0 1013.5 1009.1 1007.8 998.0 DAY 20 16 8 30 10 20 19 4 5 24 7 20 1987 1008.0 1009.7 1004.8 1008.0 1008.0 1002.2 1000.0 1001.8 1006.7 1010.8 1013.1 1009.3 1000.0 DAY 2 10 14 4 23 11 3 29 2 4 7 31 1988 1007.1 1008.1 1005.2 1007.1 1005.7 999.1 997.8 1001.1 1004.3 1011.9 1012.7 1009.0 997.8 DAY 19 3 23 23 24 25 8 4 1 8 20 26 1989 1009.2 1008.4 1006.0 1007.7 1005.0 999.9 1002.5 1002.8 1004.9 1009.7 1016.3 1013.2 999.9 DAY 12 14 29 29 31 7 18 1 12 2 20 5 1990 1011.0 1005.0 1007.3 1004.2 1002.8 1001.3 997.3 1002.3 1005.3 1010.7 1011.6 1008.2 997.3 DAY 16 24 25 15 13 29 4 8 3 2 1 25 1991 1007.9 1011.8 1006.7 1006.1 1002.0 1001.0 997.1 1001.3 1006.9 1014.5 1012.9 1009.9 997.1 DAY 25 8 7 11 28 12 14 12 3 4 6 22 1992 1010.3 1006.6 1005.4 1005.0 1007.0 996.8 1001.3 1001.7 1009.1 1010.8 1011.4 1012.0 996.8 DAY 23 11 24 18 4 27 18 1 8 6 26 4 1993 1007.7 1010.2 1004.2 1005.7 1000.8 1002.3 1001.1 1003.2 1007.4 1010.7 1011.7 1013.7 1000.8 DAY 8 23 22 12 29 3 13 12 4 3 14 4 1994 1010.2 1006.4 1008.1 1006.4 1007.4 997.8 998.2 999.1 1005.3 1012.8 1012.3 1008.8 997.8 DAY 16 12 15 3 27 29 21 3 1 2 26 4 1995 1012.2 1010.8 1006.2 1007.6 1004.2 999.9 996.3 1000.5 1007.9 1010.8 1012.3 1013.9 996.3 DAY 1 23 26 15 14 17 16 3 19 13 25 4 1996 1012.8 1007.2 1006.9 1007.6 1007.3 1003.6 1003.2 1002.7 1002.3 1009.3 1014.8 1013.2 1002.3 DAY 12 5 14 3 19 19 25 7 20 6 9 15 1997 1004.0 1010.4 1004.6 1007.6 1006.8 999.8 997.5 1003.5 1007.0 1013.9 1011.9 1010.6 997.5 DAY 17 27 17 10 5 19 16 1 3 23 13 10 1998 1004.2 1004.0 1006.6 1008.2 1002.6 1003.6 996.6 1004.1 1005.7 1009.4 1014.8 1014.0 996.6 DAY 13 15 15 20 30 29 8 22 6 3 1 18 1999 1008.9 1009.1 1008.4 1008.0 1002.1 997.9 1000.8 1002.7 1005.1 1011.2 1011.9 1013.9 997.9 DAY 18 6 3 14 20 23 2 6 16 13 1 15 2000 1009.7 1006.0 1005.4 1007.8 1002.0 999.3 1000.2 1002.8 1001.0 1010.1 1011.0 1012.0 999.3 DAY 21 7 2 22 27 25 9 31 2 2 6 11 2001 1012.3 1006.3 1004.6 1006.7 1000.0 1000.0 996.9 1002.8 1005.3 1010.3 1011.9 1012.4 996.9 DAY 19 21 26 10 25 10 18 27 5 2 18 5 2002 1011.4 1011.1 1008.7 1003.9 1003.3 997.6 1000.7 1001.7 1008.6 1014.3 1013.2 1008.4 997.6 DAY 22 25 22 4 13 21 25 17 18 12 13 22 2003 1009.3 1005.3 1007.7 1006.8 1004.4 997.7 997.8 1001.2 1005.4 1012.2 1010.8 1014.1 997.7 DAY 28 17 29 17 23 30 25 1 12 5 14 6 2004 1006.8 1010.1 1005.0 1004.7 1001.5 999.5 1002.5 1001.9 1007.4 1014.8 1025.2 1024.9 999.5 DAY 27 2 31 17 13 17 11 15 11 3 24 15 2005 1020.5 1020.8 1016.7 1017.0 1015.8 1008.2 1009.9 1014.2 1018.0 1023.2 1026.2 1026.6 1008.2 DAY 23 5 24 30 6 27 4 7 5 4 8 24 1956-2005 1001.5 1002.5 999.8 1002.7 1000.0 993.7 994.9 997.6 1001.0 1007.4 1006.4 1007.2 993.7 YEAR-DAY 64-19 85-16 67-24 64- 9 78-30 78-22 58- 9 82- 1 0- 2 75- 3 76-29 71-20 78-22 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 121 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF QFF PRESSURE IN HPA AT 1500 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1000.4 997.4 1002.3 1005.3 1016.0 1020.8 1023.4 ****** 1957 1019.9 1019.6 1013.2 1011.3 1007.3 1001.5 999.9 1011.9 1015.9 1013.8 1018.9 1020.0 1012.8 1958 1019.9 1018.6 1012.9 1010.2 1008.7 1000.1 995.6 999.9 1004.4 1013.4 1023.2 1019.9 1010.6 1959 1021.1 1014.4 1012.6 1009.5 1004.3 1000.0 995.6 994.1 1000.1 1010.6 1018.6 1024.9 1008.8 1960 1020.3 1016.7 1012.4 1009.3 1006.0 996.7 994.2 996.2 1003.9 1013.1 1018.6 1022.4 1009.2 1961 1020.8 1016.8 1010.8 1008.4 1002.4 998.3 993.1 997.6 999.6 1013.3 1017.7 1018.5 1008.1 1962 1019.8 1014.6 1009.9 1006.8 1003.4 999.1 995.9 1000.5 1006.4 1013.8 1022.2 1020.7 1009.4 1963 1019.6 1015.5 1009.6 1007.2 1002.9 997.7 995.4 997.9 1005.4 1011.7 1016.0 1019.8 1008.2 1964 1024.4 1015.5 1011.0 1006.2 1003.4 997.0 994.0 995.1 1005.5 1016.0 1019.2 1025.6 1009.4 1965 1017.6 1015.3 1013.2 1007.7 1004.7 999.0 995.6 1002.0 1008.0 1011.7 1018.2 1019.8 1009.4 1966 1019.1 1013.7 1011.1 1008.7 1005.3 997.4 995.8 999.3 1005.1 1012.7 1023.1 1018.5 1009.1 1967 1021.2 1015.1 1009.4 1008.0 1005.1 999.2 993.4 997.3 1002.8 1014.6 1015.7 1019.3 1008.4 1968 1016.0 1017.9 1011.7 1009.6 1007.3 998.0 996.8 998.6 1005.8 1013.3 1018.9 1017.7 1009.3 1969 1019.2 1018.2 1010.2 1008.7 1004.2 999.1 994.3 1000.7 1007.2 1011.9 1020.6 1019.4 1009.5 1970 1018.8 1015.3 1013.0 1008.9 1003.3 996.9 995.0 995.1 1003.8 1011.3 1017.7 1020.0 1008.2 1971 1021.6 1013.7 1012.5 1006.6 1000.8 993.0 995.3 996.5 1006.6 1012.5 1016.8 1016.1 1007.7 1972 1019.6 1020.0 1011.2 1007.5 1003.7 997.0 995.7 1001.3 1006.0 1013.5 1015.7 1021.4 1009.4 1973 1023.1 1013.9 1011.1 1006.0 1000.6 993.7 992.1 997.7 1004.0 1012.0 1017.0 1020.3 1007.6 1974 1018.3 1018.7 1012.2 1004.9 1002.1 996.2 993.8 996.5 1003.4 1015.3 1017.8 1019.6 1008.2 1975 1019.9 1014.7 1011.4 1009.2 1002.7 997.2 994.2 996.3 1003.8 1010.4 1018.0 1020.6 1008.2 1976 1016.1 1016.0 1012.1 1008.3 1002.2 998.2 992.3 997.5 1002.9 1009.6 1020.4 1020.9 1008.0 1977 1020.0 1018.4 1011.6 1005.9 1002.4 994.6 991.4 997.6 1006.1 1011.2 1015.4 1017.7 1007.7 1978 1019.2 1016.3 1011.3 1004.7 1001.0 995.1 994.8 997.0 1003.7 1012.9 1018.2 1017.7 1007.6 1979 1018.6 1013.4 1012.1 1007.7 1006.7 998.1 995.9 999.5 1007.2 1011.6 1019.2 1018.5 1009.0 1980 1018.0 1015.2 1010.9 1006.1 1002.5 996.5 996.6 997.2 1004.9 1010.2 1016.3 1018.3 1007.7 1981 1018.8 1014.3 1009.1 1005.8 1002.8 997.7 994.9 998.8 1007.2 1015.1 1016.2 1017.7 1008.2 1982 1017.7 1014.9 1011.3 1007.6 1005.7 997.8 995.6 995.9 1006.4 1011.5 1016.6 1021.4 1008.5 1983 1019.5 1015.8 1013.0 1008.4 1002.6 998.0 994.9 995.3 1001.8 1012.7 1017.9 1020.5 1008.4 1984 1018.6 1020.3 1010.7 1006.0 1001.9 995.8 995.4 994.6 1005.2 1015.7 1016.2 1021.7 1008.5 1985 1017.9 1009.5 1013.1 1004.3 1002.5 995.0 993.1 999.6 1003.7 1010.1 1016.1 1017.8 1006.9 1986 1018.2 1014.2 1011.4 1005.9 1002.9 993.8 996.6 999.8 1006.7 1010.9 1014.6 1017.9 1007.7 1987 1017.3 1015.9 1007.2 1007.2 1004.2 998.3 997.1 996.5 1002.4 1013.3 1016.9 1017.8 1007.8 1988 1017.3 1014.8 1008.0 1006.7 1000.5 995.7 991.2 995.3 1002.1 1011.5 1015.9 1016.5 1006.3 1989 1018.4 1019.3 1009.0 1008.5 1003.5 996.0 995.3 997.9 1002.4 1010.6 1016.1 1016.5 1007.8 1990 1017.9 1013.0 1012.7 1004.9 999.8 995.4 993.4 996.0 1001.9 1011.5 1016.5 1018.3 1006.8 1991 1018.4 1017.3 1010.8 1006.9 999.9 996.4 993.3 996.2 1004.3 1012.4 1016.8 1016.1 1007.4 1992 1018.3 1012.4 1011.8 1006.5 1004.9 995.7 994.3 998.4 1005.4 1011.2 1016.3 1016.9 1007.7 1993 1019.5 1015.7 1012.4 1006.2 1002.3 996.4 995.4 999.4 1003.3 1015.0 1015.8 1020.6 1008.5 1994 1017.8 1012.2 1010.5 1007.7 1002.8 993.3 991.3 994.3 1007.5 1013.7 1013.2 1019.9 1007.0 1995 1018.6 1014.8 1012.0 1006.8 1004.1 996.1 989.9 995.7 1003.1 1010.7 1015.1 1021.2 1007.4 1996 1020.3 1013.1 1009.5 1007.3 1004.5 996.7 996.4 997.2 1000.2 1010.5 1018.5 1019.8 1007.8 1997 1015.7 1015.0 1008.5 1006.7 1004.1 996.1 990.4 995.9 1003.2 1010.3 1015.9 1017.0 1006.6 1998 1015.2 1013.7 1009.8 1005.9 1001.9 998.7 992.9 997.5 1002.2 1009.9 1015.5 1018.3 1006.8 1999 1017.3 1013.3 1009.2 1005.5 1000.6 994.7 992.9 996.9 1000.8 1008.7 1014.0 1020.9 1006.2 2000 1015.5 1014.0 1009.9 1003.5 996.1 995.2 995.9 997.7 1000.7 1010.0 1017.2 1017.1 1006.1 2001 1018.4 1014.3 1009.4 1003.6 997.3 993.4 992.1 997.7 1002.5 1009.0 1014.5 1017.9 1005.8 2002 1017.1 1014.7 1010.5 1003.8 999.1 994.8 995.4 995.1 1003.9 1010.0 1016.1 1017.0 1006.5 2003 1016.7 1010.1 1010.2 1005.6 1003.6 994.2 990.8 996.9 1002.4 1009.8 1016.5 1020.0 1006.4 2004 1013.7 1013.9 1010.3 1005.2 1000.0 995.0 995.7 995.9 1004.5 1013.1 1012.0 1016.0 1006.3 2005 1015.1 1011.8 1006.7 1005.8 1001.1 993.0 990.9 994.2 999.2 1008.4 1014.2 1016.6 1004.7 MEAN 1018.6 1015.2 1010.9 1006.9 1002.9 996.7 994.4 997.7 1004.2 1012.0 1017.2 1019.2 1008.0 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 122 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MAX. OF QFF PRESSURE IN HPA AT 1500 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1006.7 1008.3 1012.3 1014.3 1022.3 1026.7 1030.2 ****** DAY ** ** ** ** ** 7 17 30 30 26 20 24 1957 1029.9 1030.3 1020.3 1018.9 1013.7 1007.4 1008.6 1020.8 1024.3 1020.1 1032.5 1029.7 1032.5 DAY 14 8 3 16 11 9 31 23 9 20 24 29 1958 1027.8 1024.7 1018.3 1017.2 1018.0 1006.7 1001.2 1003.9 1012.2 1020.1 1030.9 1026.3 1030.9 DAY 2 13 1 26 13 1 29 25 30 22 23 26 1959 1028.4 1022.7 1021.7 1017.1 1013.0 1004.4 1000.2 998.6 1006.9 1018.8 1024.6 1033.6 1033.6 DAY 6 3 9 8 4 16 16 28 25 25 22 16 1960 1028.1 1027.9 1022.1 1017.4 1016.5 1002.3 1000.1 999.5 1008.7 1022.9 1025.8 1030.3 1030.3 DAY 29 2 16 8 5 15 19 18 25 30 26 5 1961 1031.9 1026.4 1024.8 1018.7 1011.0 1007.8 998.1 1002.2 1006.7 1024.4 1025.3 1029.6 1031.9 DAY 10 6 4 18 2 10 24 28 30 31 29 3 1962 1028.8 1025.9 1021.3 1016.6 1009.7 1005.9 1001.3 1005.6 1016.3 1019.8 1031.8 1031.0 1031.8 DAY 19 11 3 19 23 1 30 29 25 27 28 1 1963 1023.0 1024.4 1020.8 1018.6 1010.4 1005.4 999.2 1001.7 1011.2 1016.7 1020.9 1030.2 1030.2 DAY 15 4 23 2 14 2 24 24 24 11 27 28 1964 1032.8 1026.1 1017.9 1015.5 1007.3 1006.8 998.9 1001.8 1014.8 1021.8 1031.0 1032.1 1032.8 DAY 21 1 23 25 10 2 16 31 29 28 30 2 1965 1026.3 1023.7 1022.2 1012.9 1011.9 1005.8 999.4 1005.5 1012.4 1017.9 1024.0 1027.3 1027.3 DAY 16 1 16 24 21 3 9 10 30 29 25 23 1966 1025.2 1021.8 1022.8 1019.5 1011.1 1006.9 999.7 1005.0 1009.2 1020.8 1028.7 1027.8 1028.7 DAY 1 26 3 5 12 1 2 17 19 31 26 7 1967 1030.8 1025.1 1023.3 1018.3 1014.0 1008.4 999.6 1001.7 1008.6 1022.8 1019.6 1026.7 1030.8 DAY 6 20 3 4 2 7 15 26 26 25 6 28 1968 1027.5 1029.6 1024.7 1016.2 1015.7 1009.1 1002.5 1007.5 1012.4 1021.2 1026.1 1027.8 1029.6 DAY 19 7 26 1 2 1 16 29 20 30 24 24 1969 1030.3 1029.1 1018.9 1015.5 1011.9 1008.9 998.5 1007.6 1016.2 1016.5 1029.5 1026.1 1030.3 DAY 9 3 25 15 22 3 14 31 14 31 23 12 1970 1026.9 1022.8 1018.7 1015.5 1009.4 1002.2 1000.8 1000.6 1013.1 1021.0 1025.8 1030.5 1030.5 DAY 3 1 9 27 10 16 22 23 21 27 15 16 1971 1028.7 1025.0 1019.4 1012.5 1007.5 998.6 1000.0 999.7 1013.2 1018.0 1024.3 1025.2 1028.7 DAY 4 3 3 27 1 9 25 21 23 22 20 31 1972 1030.5 1029.0 1020.5 1013.4 1013.4 1005.7 999.7 1008.1 1012.4 1020.8 1023.6 1033.9 1033.9 DAY 5 24 4 8 24 1 25 27 22 26 24 26 1973 1034.3 1030.1 1026.7 1012.1 1008.4 1001.6 997.1 1001.0 1013.9 1016.8 1026.7 1030.9 1034.3 DAY 25 7 10 14 7 3 28 30 30 22 12 26 1974 1028.0 1028.3 1023.1 1012.7 1010.6 1000.5 998.5 999.8 1010.7 1022.1 1025.6 1028.2 1028.3 DAY 5 5 7 2 2 1 27 23 30 14 18 31 1975 1034.2 1023.7 1020.9 1020.5 1008.9 1001.4 997.8 1004.7 1010.4 1020.3 1025.5 1029.0 1034.2 DAY 15 18 5 4 20 6 28 31 22 25 21 4 1976 1025.3 1027.2 1021.8 1018.1 1006.0 1003.3 997.7 1001.4 1007.2 1019.5 1028.2 1027.8 1028.2 DAY 1 21 3 4 12 21 22 27 26 31 12 13 1977 1029.9 1026.2 1019.7 1011.5 1007.4 1001.1 994.6 1007.9 1011.2 1020.3 1023.4 1024.8 1029.9 DAY 10 15 9 2 28 6 31 17 30 28 27 31 1978 1027.4 1026.6 1019.2 1009.7 1011.1 1002.9 1002.7 1000.7 1010.3 1017.6 1030.2 1026.8 1030.2 DAY 1 6 8 2 4 5 8 21 29 6 26 24 1979 1026.4 1022.4 1026.5 1017.0 1013.2 1006.2 999.6 1008.2 1011.8 1018.1 1027.1 1029.1 1029.1 DAY 18 1 5 18 10 4 22 31 30 21 25 23 1980 1027.0 1029.1 1019.3 1015.1 1007.6 1005.5 1000.6 1004.7 1010.3 1018.7 1025.1 1025.3 1029.1 DAY 9 3 5 20 1 2 18 31 29 31 27 13 1981 1027.9 1025.7 1023.8 1018.1 1015.1 1005.8 1001.8 1003.9 1011.9 1022.8 1024.6 1023.6 1027.9 DAY 9 4 5 3 2 11 29 31 26 24 26 1 1982 1029.1 1026.5 1020.6 1018.4 1012.7 1002.7 999.4 1004.3 1011.0 1018.9 1031.2 1028.9 1031.2 DAY 21 20 5 4 12 4 14 31 21 26 18 9 1983 1032.8 1025.5 1021.6 1012.2 1007.7 1007.4 1000.1 999.3 1009.4 1020.7 1024.8 1030.1 1032.8 DAY 11 23 19 14 5 1 11 8 30 28 27 25 1984 1028.6 1029.4 1019.9 1013.3 1007.0 1001.5 998.4 997.6 1011.3 1023.5 1023.1 1029.0 1029.4 DAY 4 20 2 1 3 4 22 29 27 21 27 18 1985 1023.2 1018.0 1026.9 1009.9 1012.4 999.2 998.8 1005.7 1008.6 1014.8 1021.5 1026.7 1026.9 DAY 4 19 11 2 12 2 19 30 30 31 17 8 1986 1029.7 1021.3 1021.0 1011.1 1010.0 1002.8 1001.0 1005.1 1012.1 1019.0 1024.7 1026.4 1029.7 DAY 24 22 27 14 19 4 23 31 22 20 15 7 1987 1025.2 1025.3 1017.3 1013.1 1010.8 1007.8 1004.3 1002.0 1010.1 1021.7 1032.0 1034.6 1034.6 DAY 17 7 22 8 1 1 29 7 26 16 30 1 1988 1029.3 1029.0 1017.9 1018.9 1005.7 1003.6 997.0 1001.3 1010.1 1016.7 1023.6 1029.9 1029.9 DAY 3 7 25 3 2 1 30 26 30 3 25 29 1989 1027.7 1028.1 1018.4 1019.2 1012.7 999.3 997.9 1003.0 1014.8 1019.5 1022.6 1021.6 1028.1 DAY 30 8 31 1 1 2 24 31 23 27 26 19 1990 1028.4 1023.3 1023.4 1012.9 1006.6 1003.0 998.1 1000.2 1008.3 1021.5 1024.4 1033.2 1033.2 DAY 26 8 21 3 17 1 15 15 26 19 23 28 1991 1029.3 1034.2 1021.1 1014.3 1008.8 1002.4 998.1 1001.2 1014.8 1015.3 1022.9 1024.9 1034.2 DAY 12 15 12 15 8 21 1 31 28 27 29 17 1992 1033.0 1023.7 1028.6 1013.9 1010.8 1003.0 997.9 1006.6 1010.3 1015.7 1021.4 1025.9 1033.0 DAY 10 16 12 8 2 1 6 31 2 29 18 11 1993 1028.8 1023.2 1020.5 1014.7 1010.5 1003.7 1000.0 1002.9 1008.7 1022.0 1025.1 1027.4 1028.8 DAY 6 8 23 1 10 23 27 25 23 9 30 7 1994 1026.0 1022.6 1018.1 1023.7 1008.2 1000.2 995.7 998.0 1017.7 1021.3 1018.2 1031.5 1031.5 DAY 19 4 3 5 6 1 13 17 23 10 2 8 1995 1025.7 1019.6 1021.0 1014.2 1013.3 1009.1 996.2 999.0 1008.3 1021.2 1025.1 1027.4 1027.4 DAY 7 14 6 7 26 1 28 10 22 26 27 11 1996 1026.7 1021.3 1016.4 1018.4 1009.8 1000.2 1001.8 1004.1 1007.5 1019.0 1029.0 1027.8 1029.0 DAY 28 13 1 7 3 12 3 31 25 19 15 7 1997 1025.1 1023.7 1021.4 1015.6 1012.5 1005.8 992.7 1001.3 1009.2 1014.8 1022.3 1028.4 1028.4 DAY 19 7 11 14 7 1 9 29 20 25 8 28 1998 1024.8 1024.9 1017.1 1015.4 1012.2 1002.8 999.3 1001.6 1006.6 1016.3 1020.1 1026.6 1026.6 DAY 22 23 5 11 3 6 22 31 13 25 20 9 1999 1029.3 1021.1 1018.0 1013.0 1006.6 1002.8 996.8 1004.2 1011.3 1011.8 1023.7 1027.3 1029.3 DAY 2 7 19 11 12 1 28 19 29 28 30 6 2000 1024.0 1024.1 1015.8 1011.1 1003.3 1001.0 1003.0 1002.0 1006.2 1016.0 1027.3 1025.4 1027.3 DAY 24 10 4 3 5 16 20 23 29 6 17 17 2001 1026.7 1023.9 1020.2 1012.4 1001.3 1000.6 999.2 1004.2 1011.2 1015.0 1022.7 1024.7 1026.7 DAY 29 9 1 1 1 2 31 14 22 10 20 17 2002 1026.4 1025.9 1024.5 1015.0 1004.6 1001.5 1000.6 999.6 1011.0 1013.5 1024.0 1027.1 1027.1 DAY 26 5 11 1 15 25 30 1 30 31 18 4 2003 1023.7 1019.5 1026.4 1012.3 1014.4 1001.3 994.0 1000.7 1011.4 1015.2 1029.6 1032.3 1032.3 DAY 12 6 2 3 2 1 12 31 27 17 25 13 2004 1022.8 1024.0 1019.4 1012.0 1005.4 1001.7 1000.4 1002.0 1012.0 1018.6 1021.7 1027.2 1027.2 DAY 1 10 23 12 3 1 20 31 30 27 29 4 2005 1023.8 1022.1 1013.5 1016.6 1006.2 1002.0 994.3 998.2 1003.5 1014.7 1022.0 1025.4 1025.4 DAY 13 18 27 9 23 11 31 27 25 26 27 30 1956-2005 1034.3 1034.2 1028.6 1023.7 1018.0 1009.1 1008.6 1020.8 1024.3 1024.4 1032.5 1034.6 1034.6 YEAR-DAY 73-25 91-15 92-12 94- 5 58-13 68- 1 57-31 57-23 57- 9 61-31 57-24 87- 1 87- 1 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 123 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MIN. OF QFF PRESSURE IN HPA AT 1500 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 994.1 986.7 998.0 999.6 1011.7 1011.7 1013.9 ****** DAY ** ** ** ** ** 28 22 5 12 17 8 10 1957 1009.9 1008.9 1005.3 1004.3 1001.3 993.8 990.9 1003.7 1005.7 1004.9 1010.6 1008.8 990.9 DAY 6 27 7 25 30 6 14 14 18 4 18 7 1958 1013.1 1012.6 1009.9 1006.3 1006.2 995.1 985.3 994.3 998.8 1007.2 1011.4 1011.2 985.3 DAY 6 24 15 30 8 21 10 2 4 10 7 1 1959 1008.1 1005.6 1004.6 1003.1 995.4 989.1 990.2 988.8 995.9 1002.9 1009.8 1014.2 988.8 DAY 23 17 24 19 30 28 3 3 6 30 25 1 1960 1010.1 1008.4 1001.3 1002.6 994.5 991.1 987.7 992.1 995.6 1003.2 1007.5 1015.3 987.7 DAY 3 29 9 20 31 30 1 12 2 8 19 2 1961 1009.9 1005.8 1002.8 1000.2 991.9 990.4 988.7 992.8 994.7 1002.8 1008.1 1008.2 988.7 DAY 27 17 17 8 28 6 15 8 11 1 24 22 1962 1010.0 1006.3 1000.4 996.4 997.0 991.2 991.8 995.2 999.1 1004.6 1014.7 1013.4 991.2 DAY 9 20 29 5 27 10 15 2 17 9 3 25 1963 1013.6 1008.3 1002.2 999.5 996.7 988.8 992.4 993.7 997.8 1006.4 1010.2 1002.7 988.8 DAY 31 13 13 15 11 17 5 12 7 2 12 11 1964 1000.4 1009.0 1005.7 996.9 996.0 986.4 987.5 986.8 998.5 1003.8 1005.4 1013.4 986.4 DAY 19 6 28 8 12 29 10 1 2 4 26 25 1965 1006.4 1003.9 1004.0 1000.0 999.6 991.7 992.0 997.1 1003.7 1002.0 1009.0 1012.6 991.7 DAY 10 9 28 20 29 24 12 1 22 25 9 20 1966 1012.8 1007.7 995.0 999.6 998.9 988.7 992.3 991.8 1000.3 1003.8 1019.3 1006.5 988.7 DAY 27 15 20 14 26 27 17 5 1 1 5 12 1967 1009.1 1006.7 996.4 999.2 997.2 993.6 987.0 991.9 997.6 1003.0 1012.5 1007.7 987.0 DAY 21 12 23 26 18 19 10 4 7 3 27 23 1968 1006.1 1007.4 999.6 1000.6 1001.1 990.4 990.1 993.0 998.9 1005.8 1011.8 1008.6 990.1 DAY 16 3 18 24 17 23 12 14 7 5 18 9 1969 1005.4 1009.7 1001.3 1001.8 997.3 992.3 990.3 993.6 998.8 1004.4 1009.7 1008.0 990.3 DAY 25 22 21 13 29 22 22 7 11 29 9 14 1970 1007.9 1004.5 1005.7 1001.4 995.7 992.5 989.6 989.5 996.1 1001.2 1010.1 1005.5 989.5 DAY 22 23 23 19 31 9 1 7 3 8 8 14 1971 1007.2 1004.7 1000.3 1001.3 993.6 986.6 992.4 993.0 997.5 1005.4 1010.1 1004.7 986.6 DAY 14 13 20 25 29 5 1 9 2 1 5 20 1972 1008.6 1006.3 1004.2 1001.6 996.6 988.6 988.8 990.3 996.5 1010.1 1008.5 1011.1 988.6 DAY 23 9 2 24 3 24 5 1 11 17 8 17 1973 1007.7 1001.7 1002.9 998.7 993.4 984.6 985.9 993.6 998.0 1006.5 1008.2 1007.6 984.6 DAY 16 22 7 24 30 15 16 4 3 11 3 7 1974 1006.4 1007.9 1002.4 997.0 995.4 991.2 988.4 990.6 994.0 1012.2 1011.5 1007.6 988.4 DAY 18 12 24 29 27 3 5 11 3 2 24 13 1975 1009.3 1003.8 1002.3 999.6 997.0 993.3 992.3 988.9 997.0 1000.3 1003.6 1009.7 988.9 DAY 5 11 26 24 25 25 5 14 10 3 29 23 1976 1008.9 1004.9 999.0 1002.6 996.6 992.9 987.8 993.8 995.7 1003.9 1003.2 1009.2 987.8 DAY 24 10 11 18 7 6 19 1 13 18 29 31 1977 1010.3 1006.6 1002.6 998.5 996.4 987.6 987.3 991.3 1002.0 1003.8 1007.8 1009.0 987.3 DAY 7 25 30 7 17 23 2 18 3 5 17 22 1978 1005.0 1008.6 1001.9 999.7 990.6 983.7 986.6 993.8 994.4 1005.7 1008.2 1009.4 983.7 DAY 21 21 15 19 30 22 2 18 2 1 2 16 1979 1008.9 1005.9 1001.7 1001.2 999.7 989.7 990.7 993.2 1002.1 999.8 1006.8 1009.4 989.7 DAY 11 11 27 16 8 22 6 1 5 1 29 1 1980 1006.1 1004.9 997.4 1001.1 997.3 989.9 993.5 990.6 999.8 1004.7 1009.0 1009.9 989.9 DAY 24 25 2 26 29 17 3 11 20 5 16 28 1981 1007.0 1006.2 1001.4 997.7 994.9 991.4 987.9 993.3 999.2 1007.6 1008.6 1009.3 987.9 DAY 3 11 28 29 12 26 2 14 22 16 5 26 1982 1003.7 1006.5 1002.8 998.0 1000.2 992.3 986.2 986.7 1000.0 1004.3 1006.8 1007.9 986.2 DAY 17 14 25 18 23 25 31 1 13 1 12 7 1983 1004.4 1006.5 1004.9 1001.3 996.5 990.2 988.8 990.9 994.2 1002.6 1010.7 1006.3 988.8 DAY 24 28 23 25 12 28 27 4 9 4 2 12 1984 1005.5 1005.9 1001.1 998.9 994.5 990.6 990.3 991.2 996.8 1006.4 1009.5 1008.2 990.3 DAY 29 8 12 26 29 7 15 8 1 18 14 14 1985 1009.5 997.7 1000.6 997.0 995.2 990.5 989.7 994.3 997.0 1001.5 1010.4 1006.1 989.7 DAY 17 26 24 24 21 8 27 1 7 11 7 5 1986 1003.7 1005.0 1001.3 999.1 996.1 986.8 992.7 995.1 1001.8 1006.1 1003.1 1005.8 986.8 DAY 20 16 8 18 10 20 19 4 29 6 7 20 1987 1008.4 1005.5 999.8 1000.1 999.3 991.7 989.4 992.2 997.1 1003.1 1008.0 1007.0 989.4 DAY 2 10 19 19 28 11 3 29 2 4 7 31 1988 1005.2 1004.5 999.1 999.3 996.0 987.7 986.5 991.0 994.5 1004.8 1008.1 1005.3 986.5 DAY 19 3 5 23 26 25 8 4 1 7 14 26 1989 1007.7 1005.5 1000.8 1001.1 995.1 989.9 991.6 993.5 995.6 1001.7 1011.3 1008.8 989.9 DAY 4 23 28 29 31 7 18 1 12 2 20 5 1990 1010.3 1003.5 1002.0 995.7 993.0 989.9 985.8 991.9 996.0 1003.1 1007.9 1007.4 985.8 DAY 2 24 25 16 13 29 5 8 3 2 1 25 1991 1005.4 1007.7 1003.0 998.9 993.0 990.6 986.2 991.6 997.9 1008.6 1008.5 1008.6 986.2 DAY 25 4 7 11 28 12 14 12 3 4 6 1 1992 1009.1 1004.5 1000.5 999.8 999.2 985.7 990.9 991.6 1001.4 1005.0 1006.5 1008.3 985.7 DAY 2 11 31 18 20 27 24 1 18 6 26 4 1993 1005.3 1007.7 999.1 999.7 990.3 992.4 990.7 993.4 998.8 1002.6 1003.7 1013.3 990.3 DAY 9 15 22 13 29 21 13 12 4 3 13 5 1994 1005.9 1002.6 1002.7 1000.2 998.6 986.2 987.2 987.8 995.8 1005.9 1006.7 1002.8 986.2 DAY 5 12 15 26 27 28 21 3 1 2 26 4 1995 1009.1 1006.8 999.7 1001.1 996.1 987.9 984.7 990.4 998.2 1003.2 1008.3 1013.1 984.7 DAY 1 9 26 15 14 17 16 3 19 4 5 4 1996 1012.8 1003.8 1002.3 999.9 998.2 993.5 993.4 991.2 991.9 1002.6 1009.7 1010.7 991.2 DAY 6 5 26 25 19 5 11 7 20 6 9 15 1997 1000.6 1005.3 1000.7 1000.7 999.2 988.5 985.6 991.8 997.2 1005.3 1007.7 1007.0 985.6 DAY 17 27 17 9 5 19 16 1 2 1 13 10 1998 1003.2 1001.5 1001.2 999.3 991.7 991.6 983.4 993.6 995.4 999.4 1008.6 1009.7 983.4 DAY 13 15 15 20 30 30 8 23 6 2 2 18 1999 1005.6 1004.2 1003.0 1000.4 992.0 986.0 988.7 992.2 995.8 1003.6 1005.2 1011.8 986.0 DAY 18 6 23 9 21 23 10 6 16 13 1 14 2000 1006.0 1003.2 1002.4 998.5 990.3 987.6 988.6 993.2 990.4 1000.4 1005.0 1009.1 987.6 DAY 21 7 13 22 27 25 9 31 2 2 6 11 2001 1009.6 1002.0 997.7 997.2 989.6 988.0 985.7 992.3 995.0 1002.7 1006.1 1008.2 985.7 DAY 18 21 26 29 25 10 18 27 5 2 18 5 2002 1005.6 1008.2 1002.6 995.8 993.3 985.8 988.7 990.0 999.0 1007.1 1007.8 1005.0 985.8 DAY 8 26 21 4 13 20 25 17 18 14 13 22 2003 1006.9 1002.5 1002.5 999.3 994.4 985.7 985.7 989.1 995.4 1003.3 1005.6 1009.2 985.7 DAY 28 16 13 17 23 30 25 1 12 5 1 6 2004 1002.9 1006.7 997.2 996.9 991.5 987.9 991.4 990.0 998.2 1008.4 1004.0 1005.8 987.9 DAY 27 15 31 17 13 17 11 15 11 3 24 15 2005 1003.2 1002.9 995.9 994.5 993.3 982.0 983.7 989.4 994.1 1000.6 1005.8 1007.2 982.0 DAY 23 5 24 30 6 27 4 7 5 4 6 24 1956-2005 1000.4 997.7 995.0 994.5 989.6 982.0 983.4 986.7 990.4 999.4 1003.1 1002.7 982.0 YEAR-DAY 64-19 85-26 66-20 5-30 1-25 5-27 98- 8 82- 1 0- 2 98- 2 86- 7 63-11 5-27 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 124 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF COMPUTED QFF PRESSURE IN HPA AT 1500 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 994.7 994.1 1000.4 1003.5 1013.8 1018.5 1021.4 ****** 1957 1017.7 1017.7 1011.1 1009.0 1004.8 999.3 997.1 1009.2 1013.9 1012.9 1017.8 1018.7 1010.8 1958 1018.6 1017.5 1011.9 1008.8 1007.3 998.7 994.3 998.7 1003.2 1012.3 1022.0 1018.7 1009.3 1959 1019.9 1013.3 1011.5 1008.3 1002.8 998.7 994.3 992.9 999.1 1009.5 1017.5 1023.8 1007.6 1960 1019.6 1015.3 1011.6 1008.4 1004.7 995.5 993.2 995.6 1004.2 1012.7 1017.9 1021.6 1008.4 1961 1019.9 1016.0 1010.3 1008.0 1001.5 997.8 992.3 997.0 999.3 1012.9 1017.1 1017.7 1007.5 1962 1019.4 1013.9 1009.4 1006.1 1002.3 998.3 994.8 999.5 1005.5 1012.8 1021.0 1019.5 1008.5 1963 1018.4 1014.4 1008.7 1005.4 1001.7 996.7 994.1 996.7 1004.5 1010.5 1015.1 1018.8 1007.1 1964 1023.4 1014.3 1009.7 1005.0 1002.1 995.5 992.5 993.6 1004.4 1014.7 1018.0 1024.5 1008.1 1965 1016.5 1014.2 1012.0 1006.5 1003.3 997.3 994.0 1000.3 1006.7 1010.7 1017.1 1019.4 1008.1 1966 1018.8 1013.4 1010.9 1008.3 1004.6 996.9 995.3 998.5 1004.5 1012.1 1022.6 1018.0 1008.7 1967 1020.9 1014.7 1009.0 1007.4 1004.4 998.5 992.5 996.7 1002.1 1013.9 1015.1 1018.8 1007.8 1968 1015.7 1017.4 1011.2 1009.0 1006.4 997.2 996.1 997.9 1005.1 1012.7 1018.4 1017.4 1008.7 1969 1018.8 1017.7 1009.7 1008.2 1003.6 998.5 993.7 1000.1 1006.6 1011.3 1020.1 1019.0 1009.0 1970 1018.5 1014.9 1012.7 1008.4 1002.7 996.4 994.4 994.4 1003.3 1010.9 1017.0 1019.1 1007.7 1971 1020.5 1012.8 1011.8 1005.9 999.8 992.2 994.5 995.6 1006.1 1011.9 1016.2 1015.2 1006.9 1972 1018.6 1019.5 1010.6 1006.8 1002.9 996.0 994.5 1000.4 1005.2 1012.8 1015.0 1020.3 1008.5 1973 1022.5 1013.2 1010.5 1005.3 999.9 992.8 991.2 996.9 1003.2 1011.3 1016.1 1019.4 1006.8 1974 1017.2 1017.8 1011.3 1004.2 1001.0 995.1 992.6 995.6 1002.5 1014.7 1017.1 1018.6 1007.3 1975 1019.0 1013.7 1010.6 1008.4 1001.8 996.2 993.2 995.4 1002.9 1009.6 1017.2 1019.6 1007.3 1976 1015.1 1015.1 1011.4 1007.4 1001.3 997.2 991.3 996.6 1002.2 1008.6 1019.6 1019.7 1007.1 1977 1019.0 1017.4 1010.9 1005.1 1001.5 993.5 990.2 996.0 1005.3 1010.3 1014.5 1016.8 1006.7 1978 1018.2 1015.3 1010.5 1003.8 999.8 994.1 993.7 996.0 1002.9 1012.1 1017.1 1016.7 1006.7 1979 1017.6 1012.6 1011.3 1006.9 1005.7 997.0 995.0 998.6 1006.3 1011.0 1018.3 1017.6 1008.2 1980 1017.1 1014.5 1010.2 1005.3 1001.6 995.5 995.7 996.3 1004.0 1009.3 1015.5 1017.3 1006.9 1981 1017.7 1013.4 1008.3 1004.9 1001.8 996.7 993.9 997.9 1006.4 1014.2 1015.4 1017.2 1007.3 1982 1016.7 1013.9 1010.6 1006.9 1004.7 996.8 994.7 994.9 1005.5 1010.6 1016.2 1020.2 1007.6 1983 1018.4 1014.8 1012.2 1007.5 1001.6 996.7 993.8 994.2 1000.8 1012.0 1017.4 1019.5 1007.4 1984 1017.5 1019.3 1010.0 1005.3 1001.1 994.9 994.5 993.4 1004.2 1014.9 1015.3 1020.7 1007.6 1985 1016.8 1008.7 1012.3 1003.7 1001.7 994.1 991.9 998.7 1003.1 1009.4 1015.5 1016.8 1006.1 1986 1017.2 1013.3 1010.6 1005.1 1001.8 992.9 995.7 999.0 1005.8 1010.2 1013.8 1016.9 1006.9 1987 1016.4 1015.1 1006.6 1006.2 1003.2 997.6 996.1 995.7 1001.4 1012.7 1016.0 1017.1 1007.0 1988 1016.3 1013.9 1007.4 1005.9 999.5 994.7 990.3 994.3 1001.1 1010.8 1015.3 1015.7 1005.4 1989 1017.4 1018.3 1008.3 1007.6 1002.8 995.1 994.3 997.3 1001.6 1009.9 1015.4 1015.7 1007.0 1990 1016.9 1012.1 1012.1 1004.2 999.1 994.6 992.5 995.1 1001.1 1010.8 1015.8 1017.4 1006.0 1991 1017.3 1016.3 1010.0 1006.3 999.2 995.6 992.3 995.4 1003.8 1011.7 1016.1 1015.3 1006.6 1992 1017.4 1011.6 1011.1 1005.7 1004.1 994.6 993.5 997.5 1004.6 1010.5 1015.7 1016.0 1006.9 1993 1018.5 1014.7 1011.9 1005.6 1001.5 995.4 994.6 998.6 1002.5 1014.4 1015.1 1019.7 1007.7 1994 1017.1 1011.6 1009.9 1007.0 1001.9 992.2 990.3 993.3 1006.7 1012.9 1012.7 1019.1 1006.2 1995 1017.8 1014.0 1011.4 1006.2 1003.4 995.3 989.1 995.0 1002.6 1010.4 1014.6 1020.1 1006.7 1996 1019.3 1012.4 1008.8 1006.6 1003.5 995.9 995.7 997.3 1000.2 1010.6 1018.6 1020.0 1007.4 1997 1015.8 1015.0 1008.5 1006.5 1004.0 996.0 990.4 995.8 1003.0 1010.2 1015.9 1017.0 1006.5 1998 1015.1 1013.7 1009.8 1005.7 1001.8 998.5 992.8 997.3 1002.1 1009.8 1015.6 1018.4 1006.7 1999 1017.4 1013.2 1009.3 1005.4 1000.5 994.4 992.7 996.9 1000.9 1008.8 1014.0 1021.0 1006.2 2000 1015.7 1014.1 1009.9 1003.4 996.1 995.1 995.7 997.3 1000.5 1009.8 1016.9 1017.0 1006.0 2001 1018.5 1014.1 1009.4 1003.3 997.1 993.0 991.8 997.6 1002.4 1009.1 1014.5 1017.6 1005.7 2002 1017.1 1014.5 1010.2 1003.7 998.9 994.6 995.4 994.9 1004.0 1009.8 1015.9 1016.9 1006.3 2003 1016.8 1010.2 1010.2 1005.6 1003.6 994.1 990.9 996.9 1002.4 1009.8 1016.6 1020.3 1006.4 2004 1013.8 1013.8 1010.1 1005.1 1000.0 995.0 995.7 995.9 1004.5 1013.1 1026.7 1031.2 1008.7 2005 1030.3 1027.0 1021.3 1020.2 1015.2 1006.8 1004.6 1008.0 1013.2 1022.8 1029.1 1031.7 1019.2 MEAN 1018.2 1014.8 1010.6 1006.5 1002.4 996.0 993.7 997.1 1003.8 1011.7 1017.1 1019.1 1007.6 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 125 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MAX. OF COMPUTED QFF PRESSURE IN HPA AT 1500 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1001.0 999.8 1009.9 1011.7 1019.8 1024.1 1028.4 ****** DAY ** ** ** ** ** 6 17 30 30 26 20 20 1957 1026.3 1029.0 1018.4 1016.4 1010.9 1004.8 1005.7 1015.6 1022.5 1019.2 1031.0 1028.0 1031.0 DAY 13 8 3 16 11 9 29 25 9 14 24 30 1958 1026.7 1023.3 1017.2 1015.9 1017.2 1004.7 1001.3 1002.7 1010.5 1018.6 1029.3 1024.9 1029.3 DAY 2 13 1 2 13 1 16 25 30 22 23 21 1959 1028.9 1021.7 1021.5 1015.6 1011.6 1003.5 999.1 997.5 1005.3 1017.3 1022.7 1034.3 1034.3 DAY 3 3 9 8 4 16 16 31 26 21 22 16 1960 1027.4 1026.7 1024.0 1016.6 1015.2 1001.4 999.3 998.5 1008.9 1021.9 1024.8 1029.4 1029.4 DAY 29 1 20 8 6 14 19 18 12 30 26 5 1961 1030.9 1024.9 1024.6 1017.6 1010.0 1007.1 996.9 1001.2 1008.2 1023.7 1024.5 1028.0 1030.9 DAY 10 6 4 18 2 10 24 28 29 31 29 3 1962 1028.5 1025.8 1020.3 1016.0 1008.4 1005.4 999.8 1004.0 1016.1 1018.8 1028.0 1029.2 1029.2 DAY 19 11 3 19 17 2 30 31 29 27 28 1 1963 1021.8 1023.0 1019.7 1012.6 1009.2 1007.7 997.8 1000.4 1010.0 1015.5 1020.0 1029.4 1029.4 DAY 15 4 23 6 14 11 24 24 24 11 27 28 1964 1032.2 1025.1 1016.6 1014.3 1006.1 1005.3 997.4 1000.3 1013.5 1020.5 1029.8 1031.0 1032.2 DAY 21 1 23 25 21 2 16 31 29 28 30 2 1965 1025.0 1022.4 1021.1 1012.0 1010.5 1003.8 997.5 1003.9 1011.2 1016.7 1022.8 1027.3 1027.3 DAY 16 1 16 24 21 3 9 10 20 29 25 23 1966 1024.8 1021.6 1022.2 1020.1 1010.7 1005.9 999.2 1004.4 1008.4 1020.2 1028.4 1026.1 1028.4 DAY 1 26 3 5 12 1 2 17 5 31 26 7 1967 1030.3 1024.7 1022.6 1017.8 1013.4 1006.8 998.7 1001.2 1007.9 1022.4 1018.5 1026.0 1030.3 DAY 6 28 3 4 2 7 15 26 26 25 29 27 1968 1027.2 1029.3 1024.3 1015.7 1015.1 1008.1 1001.4 1006.5 1011.7 1020.6 1025.3 1027.3 1029.3 DAY 19 7 27 1 2 1 19 29 20 30 24 24 1969 1029.8 1028.8 1018.5 1014.7 1011.3 1008.6 998.1 1007.0 1015.7 1015.9 1029.1 1025.7 1029.8 DAY 9 3 25 15 22 3 14 31 14 31 23 12 1970 1026.4 1022.4 1018.3 1015.1 1008.9 1001.7 1000.3 999.6 1012.6 1020.7 1024.1 1029.3 1029.3 DAY 3 1 9 27 10 16 22 23 21 27 15 16 1971 1027.6 1023.8 1018.7 1012.0 1006.6 997.8 999.1 999.0 1012.6 1017.4 1023.4 1024.1 1027.6 DAY 4 3 3 27 1 9 25 21 23 22 20 31 1972 1029.4 1030.3 1019.4 1012.8 1012.7 1004.9 999.1 1007.3 1011.8 1020.1 1022.6 1033.1 1033.1 DAY 5 24 4 8 24 1 25 27 22 26 24 26 1973 1035.3 1029.0 1025.6 1011.7 1007.7 1000.6 996.4 1000.2 1013.1 1016.1 1025.6 1029.7 1035.3 DAY 5 7 10 14 7 3 28 30 30 22 12 26 1974 1026.8 1027.3 1021.9 1011.9 1009.8 999.7 997.7 998.9 1010.0 1021.4 1024.5 1027.1 1027.3 DAY 5 5 7 2 2 1 28 23 30 14 18 31 1975 1033.1 1022.7 1019.8 1019.7 1008.0 1000.2 996.6 1003.9 1009.5 1019.3 1024.2 1028.7 1033.1 DAY 15 18 5 4 20 6 28 31 22 25 21 26 1976 1024.0 1026.0 1020.6 1017.0 1005.0 1002.3 996.1 1000.6 1006.2 1018.5 1027.0 1026.5 1027.0 DAY 1 21 3 4 12 21 22 27 26 31 12 13 1977 1028.8 1025.0 1019.0 1010.5 1006.4 1000.1 993.1 1000.3 1010.2 1019.2 1022.5 1024.4 1028.8 DAY 10 15 9 2 28 6 22 23 30 28 27 18 1978 1027.6 1025.4 1017.9 1009.0 1010.1 1002.0 1001.7 999.9 1009.5 1016.9 1029.0 1025.6 1029.0 DAY 16 6 8 2 4 5 8 21 29 6 26 24 1979 1025.2 1021.3 1025.4 1016.2 1012.1 1005.3 998.7 1007.5 1011.0 1017.2 1026.0 1028.0 1028.0 DAY 18 1 5 18 10 4 22 31 30 21 25 23 1980 1025.9 1026.5 1018.3 1014.6 1006.5 1004.6 999.6 1003.8 1009.5 1017.8 1024.0 1024.2 1026.5 DAY 9 3 5 20 1 2 18 31 29 31 27 13 1981 1026.6 1024.5 1022.6 1017.1 1014.0 1004.8 1001.0 1003.1 1011.0 1021.9 1023.5 1023.0 1026.6 DAY 9 4 5 3 2 11 29 31 26 24 26 12 1982 1028.0 1026.2 1019.5 1017.8 1012.0 1001.8 998.6 1003.5 1010.0 1018.1 1029.9 1027.8 1029.9 DAY 21 20 5 4 12 4 14 31 21 26 18 9 1983 1031.0 1024.4 1020.5 1011.5 1006.9 1006.4 999.1 997.7 1008.3 1020.1 1023.6 1028.9 1031.0 DAY 11 23 19 16 5 1 11 8 30 28 27 25 1984 1027.2 1029.3 1019.0 1012.3 1006.5 1000.5 997.4 996.7 1010.5 1022.7 1022.1 1028.1 1029.3 DAY 4 20 2 1 3 4 22 29 30 21 27 20 1985 1021.8 1016.9 1025.8 1009.3 1011.9 998.4 995.1 1004.9 1007.8 1014.3 1020.7 1025.4 1025.8 DAY 4 19 11 2 12 2 2 30 30 31 17 8 1986 1028.5 1020.4 1019.8 1010.3 1009.2 1001.8 999.3 1004.2 1011.1 1018.2 1023.8 1025.2 1028.5 DAY 24 22 27 14 19 4 3 31 22 20 15 7 1987 1024.2 1024.2 1016.3 1012.5 1009.2 1006.5 1001.3 1000.6 1009.1 1021.2 1030.7 1032.4 1032.4 DAY 17 7 22 8 1 1 29 7 26 16 30 1 1988 1028.2 1027.9 1016.9 1018.2 1004.9 1002.5 995.4 1000.1 1009.3 1016.5 1022.7 1028.7 1028.7 DAY 3 7 25 3 2 1 29 26 30 3 25 29 1989 1026.7 1026.9 1018.1 1015.5 1012.2 998.5 997.1 1002.2 1014.1 1018.7 1020.0 1020.6 1026.9 DAY 30 8 31 9 1 2 24 31 23 27 26 19 1990 1027.2 1022.1 1022.3 1011.8 1005.8 1002.5 997.2 999.9 1007.4 1020.9 1023.6 1032.1 1032.1 DAY 26 8 21 3 17 1 15 15 26 19 23 28 1991 1028.0 1033.2 1020.1 1013.8 1007.7 1001.7 997.3 1000.5 1014.1 1014.6 1021.6 1023.7 1033.2 DAY 12 15 12 15 8 21 2 31 28 27 24 17 1992 1031.6 1022.5 1027.4 1013.2 1009.8 1001.9 996.8 1005.8 1009.6 1015.3 1020.6 1024.7 1031.6 DAY 10 16 12 20 2 1 16 31 2 19 18 11 1993 1027.3 1021.9 1019.6 1014.2 1009.6 1003.0 999.2 1002.0 1008.0 1021.3 1024.1 1026.3 1027.3 DAY 6 8 23 1 10 23 27 6 23 9 30 7 1994 1025.1 1021.6 1017.4 1022.9 1008.2 999.2 994.8 997.1 1017.0 1020.6 1017.5 1030.3 1030.3 DAY 19 4 3 5 6 1 13 17 23 10 2 8 1995 1025.0 1018.7 1020.1 1014.5 1012.2 1008.0 995.4 998.2 1007.6 1020.2 1024.1 1025.6 1025.6 DAY 7 14 6 7 26 1 28 10 22 26 27 11 1996 1025.6 1020.1 1015.6 1018.0 1009.7 998.9 1001.3 1004.1 1007.5 1019.2 1029.4 1027.7 1029.4 DAY 28 13 1 7 3 12 3 31 25 20 18 7 1997 1025.0 1023.7 1021.4 1015.7 1012.4 1004.9 992.8 1001.3 1009.0 1014.6 1022.1 1028.4 1028.4 DAY 19 7 11 14 7 1 9 29 20 25 8 28 1998 1024.7 1024.8 1016.9 1015.2 1011.5 1002.4 999.1 1001.6 1006.4 1016.2 1020.0 1026.8 1026.8 DAY 22 23 5 11 3 6 22 31 13 25 20 9 1999 1029.2 1021.0 1018.6 1012.8 1006.4 1002.6 996.8 1002.3 1011.2 1012.4 1023.7 1027.5 1029.2 DAY 2 7 19 11 12 1 28 18 29 27 30 6 2000 1024.0 1024.0 1015.9 1011.1 1003.1 1001.1 1003.9 1002.0 1006.2 1015.4 1027.0 1026.3 1027.0 DAY 24 10 4 3 5 16 20 23 29 6 17 17 2001 1027.5 1023.6 1020.1 1011.9 1002.1 1000.3 999.3 1004.2 1011.0 1014.9 1022.3 1024.4 1027.5 DAY 29 9 1 1 1 2 31 14 22 10 20 17 2002 1026.0 1025.7 1024.2 1015.6 1004.5 1001.2 1000.2 999.0 1010.5 1013.2 1024.4 1027.2 1027.2 DAY 26 5 11 1 15 25 30 1 30 31 18 4 2003 1023.7 1019.5 1026.3 1012.3 1014.3 1001.2 993.9 1000.5 1011.4 1015.2 1029.5 1032.3 1032.3 DAY 12 6 2 3 2 1 15 31 27 17 25 13 2004 1022.7 1024.0 1019.3 1012.0 1005.5 1002.0 1000.4 1002.1 1012.0 1018.6 1037.0 1042.9 1042.9 DAY 1 10 23 12 3 1 20 31 30 27 29 4 2005 1039.4 1037.9 1028.5 1031.6 1020.6 1016.3 1008.1 1012.1 1017.7 1029.5 1037.3 1041.3 1041.3 DAY 13 18 27 9 23 11 28 27 25 26 27 30 1956-2005 1039.4 1037.9 1028.5 1031.6 1020.6 1016.3 1008.1 1015.6 1022.5 1029.5 1037.3 1042.9 1042.9 YEAR-DAY 5-13 5-18 5-27 5- 9 5-23 5-11 5-28 57-25 57- 9 5-26 5-27 4- 4 4- 4 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 126 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MIN. OF COMPUTED QFF PRESSURE IN HPA AT 1500 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 987.6 988.2 996.6 997.8 1008.9 1009.2 1011.4 ****** DAY ** ** ** ** ** 2 15 5 12 28 8 10 1957 1008.5 1007.4 1002.4 1001.7 998.6 990.8 986.7 1001.4 1004.6 1003.9 1009.5 1007.8 986.7 DAY 6 27 7 25 30 6 13 8 18 4 18 7 1958 1012.4 1011.4 1008.9 1004.8 1004.4 993.8 983.6 992.9 997.8 1006.6 1010.6 1010.1 983.6 DAY 6 24 30 30 12 29 9 2 4 10 7 10 1959 1007.3 1004.9 1004.1 1002.0 993.0 987.6 988.6 987.7 994.8 1002.6 1009.7 1013.9 987.6 DAY 23 17 24 19 23 28 28 3 6 30 25 1 1960 1010.2 1006.9 1000.2 1002.1 993.0 989.6 987.6 991.8 995.1 1004.6 1006.2 1015.0 987.6 DAY 27 29 9 20 31 30 1 12 2 11 19 2 1961 1010.1 1005.3 1002.8 1000.0 990.9 989.6 987.9 991.7 993.8 1004.2 1007.9 1007.4 987.9 DAY 27 17 17 8 28 6 15 8 11 5 24 22 1962 1009.6 1005.8 999.6 996.0 995.9 990.0 990.4 994.1 998.1 1003.7 1013.6 1012.5 990.0 DAY 9 18 29 5 27 10 15 3 17 9 3 25 1963 1012.5 1007.3 1001.2 998.6 995.6 987.7 991.0 992.7 996.7 1005.3 1009.2 1004.9 987.7 DAY 31 13 13 15 11 17 5 3 7 2 12 11 1964 999.3 1008.0 1004.6 995.8 994.5 984.5 987.1 986.8 997.1 1002.5 1004.3 1012.4 984.5 DAY 19 6 28 8 12 29 11 2 2 4 26 25 1965 1007.6 1002.9 1003.5 998.8 997.9 990.1 990.5 995.4 1002.3 1001.2 1008.1 1012.2 990.1 DAY 10 9 23 20 29 24 12 1 4 25 9 20 1966 1012.5 1007.6 994.9 999.5 998.0 988.3 991.6 991.0 998.8 1003.0 1018.8 1006.2 988.3 DAY 31 15 20 14 26 27 17 5 1 1 18 12 1967 1008.6 1006.5 996.2 998.7 996.6 992.7 985.9 991.2 996.8 1002.5 1011.9 1007.4 985.9 DAY 21 12 23 26 18 19 10 4 7 3 20 23 1968 1005.8 1007.0 1000.8 1000.0 1000.5 990.0 989.5 992.2 998.1 1004.9 1011.3 1008.3 989.5 DAY 16 3 18 24 17 23 12 14 7 5 18 9 1969 1005.2 1009.3 1000.8 1001.2 996.9 991.9 989.4 993.1 998.2 1003.9 1009.2 1008.3 989.4 DAY 25 22 21 13 29 22 22 7 11 29 9 14 1970 1007.6 1004.2 1005.2 1001.1 995.1 992.1 989.1 989.1 995.7 1000.6 1011.7 1004.9 989.1 DAY 22 23 23 19 31 30 1 7 1 8 30 14 1971 1006.7 1004.2 1000.3 1000.5 992.5 985.8 991.3 992.6 996.7 1004.6 1009.7 1004.1 985.8 DAY 14 13 20 25 29 5 1 9 2 6 5 20 1972 1008.0 1005.6 1003.6 1000.8 995.8 987.7 987.6 989.5 995.6 1009.5 1007.8 1010.1 987.6 DAY 23 9 2 24 3 24 5 1 11 17 8 17 1973 1007.1 1001.3 1002.2 998.2 992.6 983.7 984.9 992.4 997.1 1005.5 1007.6 1006.9 983.7 DAY 16 22 7 24 30 15 16 4 3 11 3 7 1974 1005.1 1007.3 1001.6 996.3 994.3 990.3 986.9 989.3 993.0 1011.5 1010.7 1007.0 986.9 DAY 18 12 24 29 27 3 5 11 3 2 24 13 1975 1008.6 1003.2 1001.7 999.1 996.1 992.2 991.2 988.1 996.3 999.6 1002.4 1009.1 988.1 DAY 5 11 26 24 25 25 5 14 10 3 29 23 1976 1008.3 1004.3 1003.6 1001.6 995.6 992.0 986.9 993.0 997.6 1002.0 1002.7 1008.5 986.9 DAY 24 10 17 18 7 6 19 1 18 18 29 31 1977 1009.3 1006.0 1002.0 997.8 995.1 986.3 985.9 990.3 1001.0 1003.0 1006.9 1008.3 985.9 DAY 7 25 30 7 25 23 2 18 1 5 17 22 1978 1004.5 1007.9 999.8 998.9 990.0 982.3 985.9 992.7 993.4 1004.8 1007.4 1008.5 982.3 DAY 21 21 13 19 30 22 2 18 2 1 2 16 1979 1007.7 1005.1 1001.0 1000.5 999.0 988.6 989.8 992.2 1001.4 1004.8 1006.5 1008.7 988.6 DAY 11 11 27 16 8 22 6 1 5 4 29 20 1980 1005.3 1004.2 996.8 1000.4 996.3 988.9 992.7 989.8 999.0 1003.8 1008.3 1009.3 988.9 DAY 24 25 2 26 29 17 26 11 20 5 16 8 1981 1005.9 1005.7 1000.8 996.6 994.0 990.5 986.9 992.3 998.3 1006.5 1007.8 1008.5 986.9 DAY 3 11 28 29 16 26 2 14 22 16 5 26 1982 1002.9 1005.7 1002.1 997.2 999.2 991.4 985.3 985.7 999.1 1003.3 1009.1 1006.9 985.3 DAY 17 14 25 18 23 25 31 1 13 1 13 7 1983 1003.5 1006.0 1004.2 1000.6 996.8 989.0 987.7 989.8 993.1 1001.9 1012.3 1005.8 987.7 DAY 24 27 23 25 29 28 27 4 9 4 12 12 1984 1004.7 1005.4 1000.6 998.4 993.2 989.8 990.7 990.2 995.8 1005.5 1008.6 1007.5 989.8 DAY 29 8 12 26 30 7 15 8 1 18 14 14 1985 1008.8 997.4 999.8 996.5 994.4 989.5 988.3 993.4 996.3 1000.6 1009.9 1005.2 988.3 DAY 17 26 25 24 21 8 27 7 7 11 7 5 1986 1003.3 1004.5 1000.7 998.0 995.1 985.9 991.7 994.3 1001.1 1005.3 1004.5 1004.9 985.9 DAY 20 16 8 18 10 20 19 4 29 9 7 20 1987 1007.7 1005.2 999.2 998.8 998.0 991.0 988.8 990.8 996.0 1002.4 1007.3 1006.4 988.8 DAY 2 10 19 19 28 11 3 29 2 4 7 31 1988 1004.7 1003.9 998.9 998.6 994.9 986.7 985.5 989.5 993.4 1005.3 1007.9 1004.7 985.5 DAY 19 3 5 23 29 25 8 4 1 8 14 26 1989 1007.3 1005.0 1000.2 1000.3 994.3 988.5 990.3 992.8 995.0 1001.2 1010.5 1008.0 988.5 DAY 4 23 28 29 31 7 18 1 12 2 20 5 1990 1009.4 1002.9 1001.6 995.4 992.7 988.9 984.7 990.6 994.9 1002.3 1007.2 1006.6 984.7 DAY 2 24 25 16 13 29 4 8 3 2 1 25 1991 1004.4 1006.9 1002.6 998.6 992.4 990.0 985.3 990.7 997.2 1007.6 1007.9 1008.1 985.3 DAY 25 4 7 11 28 12 14 12 3 4 6 1 1992 1008.6 1003.9 1000.0 997.4 998.3 984.9 990.1 990.8 1000.5 1003.8 1006.1 1007.7 984.9 DAY 2 11 31 18 20 27 24 1 18 6 26 4 1993 1004.7 1007.3 998.8 999.1 989.8 991.1 989.9 992.7 997.6 1002.2 1005.3 1012.7 989.8 DAY 9 23 22 12 29 21 8 12 1 3 14 5 1994 1006.7 1002.3 1002.7 998.2 997.9 985.3 986.1 986.3 995.0 1005.0 1006.3 1003.2 985.3 DAY 5 12 15 26 27 28 21 3 1 2 26 4 1995 1008.8 1006.1 999.0 1000.5 995.6 988.0 984.1 989.4 998.7 1002.9 1007.8 1012.3 984.1 DAY 1 9 26 15 14 17 16 3 19 13 5 4 1996 1011.9 1003.4 1002.2 999.1 997.5 992.1 992.5 992.8 992.6 1002.6 1010.4 1010.7 992.1 DAY 6 5 26 25 19 5 11 7 20 6 9 15 1997 1000.8 1005.2 1000.7 1000.3 997.5 988.5 985.5 992.1 996.6 1005.3 1007.1 1006.9 985.5 DAY 17 27 17 10 5 19 16 1 3 1 13 10 1998 1003.1 1002.2 1001.4 999.1 991.7 992.5 983.6 992.9 995.4 1000.0 1008.8 1009.6 983.6 DAY 13 15 15 20 30 30 8 22 6 2 1 18 1999 1005.7 1004.1 1003.1 1000.3 992.1 986.1 988.2 992.1 995.1 1003.5 1005.2 1011.7 986.1 DAY 18 6 23 9 21 23 2 6 16 13 1 16 2000 1005.9 1003.2 1002.0 998.5 990.5 987.5 988.2 992.9 990.5 1001.0 1005.7 1009.0 987.5 DAY 21 7 2 22 27 26 9 31 2 2 6 11 2001 1011.1 1001.5 998.5 997.0 989.3 987.9 984.7 991.9 995.0 1002.3 1006.4 1007.7 984.7 DAY 18 21 26 29 25 10 18 27 1 2 18 5 2002 1008.3 1006.8 1002.6 997.4 993.4 985.8 988.7 990.2 999.7 1007.1 1007.4 1004.6 985.8 DAY 8 25 21 4 13 21 25 17 18 14 13 22 2003 1006.9 1002.6 1002.5 999.4 994.3 985.5 985.8 989.1 995.3 1003.3 1005.6 1009.2 985.5 DAY 17 17 13 17 23 30 25 1 12 5 1 6 2004 1002.9 1006.7 997.2 996.1 991.7 987.9 991.4 990.0 998.2 1008.2 1018.4 1020.5 987.9 DAY 27 15 31 17 13 17 11 15 11 3 24 15 2005 1018.1 1017.7 1010.1 1008.5 1007.4 995.3 997.1 1003.0 1007.9 1014.7 1020.2 1021.9 995.3 DAY 23 5 24 30 6 27 4 7 5 4 6 24 1956-2005 999.3 997.4 994.9 995.4 989.3 982.3 983.6 985.7 990.5 999.6 1002.4 1003.2 982.3 YEAR-DAY 64-19 85-26 66-20 90-16 1-25 78-22 58- 9 82- 1 0- 2 75- 3 75-29 94- 4 78-22 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 127 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF QFE PRESSURE IN HPA AT 1800 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 884.6 884.8 889.5 891.1 ****** ****** ****** ****** 1957 ****** ****** ****** ****** ****** 888.4 887.5 897.1 899.6 897.0 898.2 898.1 ****** 1958 897.9 897.1 895.2 894.3 893.9 888.0 884.8 887.9 890.9 896.6 900.7 898.0 893.8 1959 897.8 893.3 894.5 894.0 890.4 888.1 884.5 883.6 887.1 894.7 897.6 900.8 892.2 1960 898.4 896.4 892.9 892.6 891.6 885.8 884.0 885.4 891.4 896.7 898.3 899.5 892.8 1961 898.1 896.0 893.5 892.8 889.8 887.3 883.6 886.7 888.1 896.7 897.8 897.4 892.3 1962 898.0 895.4 893.0 891.5 890.9 ****** ****** ****** ****** ****** ****** ****** ****** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 896.0 894.7 894.8 891.3 891.2 887.1 884.9 889.7 893.7 896.6 899.3 899.0 893.2 1966 899.7 895.6 894.1 893.3 892.8 887.1 885.7 888.5 892.6 897.3 902.7 898.2 894.0 1967 899.6 895.6 892.1 892.6 892.1 887.8 883.7 886.8 890.0 900.1 897.7 897.7 893.0 1968 895.6 897.0 894.8 894.0 893.2 887.0 886.2 888.0 893.1 897.8 900.2 897.9 893.7 1969 897.5 897.6 894.8 893.8 ****** ****** ****** ****** ****** ****** ****** ****** ****** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 898.5 ****** 1984 896.4 898.0 894.2 891.9 889.1 885.0 884.9 884.0 891.8 898.0 897.4 898.7 892.4 1985 896.5 891.2 894.7 890.2 890.0 885.0 883.3 888.2 890.9 895.0 897.6 896.8 891.6 1986 896.5 894.0 892.7 891.6 891.0 884.1 886.3 888.5 893.1 896.1 895.6 895.7 892.1 1987 896.5 896.2 891.0 893.3 891.8 887.5 886.8 886.5 891.0 897.2 898.2 897.5 892.8 1988 896.2 894.7 891.4 892.4 889.6 886.2 882.7 885.5 890.4 896.1 897.6 896.6 891.6 1989 895.7 897.2 891.9 893.3 891.0 886.0 885.5 887.4 890.2 895.7 897.9 896.2 892.3 1990 896.2 893.1 895.1 890.9 888.8 885.6 884.0 886.2 889.9 896.0 898.1 897.1 891.8 1991 896.5 896.0 893.3 892.4 888.2 886.4 884.0 886.3 892.1 896.6 898.2 896.1 892.2 1992 896.1 893.1 893.3 891.8 892.0 885.9 884.9 888.0 892.3 895.5 897.9 896.5 892.3 1993 896.8 895.8 894.5 892.1 890.5 886.5 885.6 888.5 891.0 898.5 897.2 899.0 893.0 1994 896.6 893.0 894.1 893.0 890.8 884.0 882.5 885.1 893.9 897.6 896.4 898.3 892.1 1995 897.9 895.4 894.2 892.0 891.5 886.0 881.6 886.0 890.9 895.8 896.8 898.8 892.2 1996 897.7 894.2 892.3 892.7 891.5 886.7 886.3 887.7 889.2 895.5 899.1 899.2 892.7 1997 895.6 895.8 891.8 891.9 891.7 886.5 882.8 886.6 891.6 896.1 897.7 896.6 892.1 1998 894.7 894.9 893.6 892.6 891.0 888.6 884.7 887.7 890.9 895.5 898.2 899.3 892.6 1999 896.6 895.6 892.6 892.3 889.6 885.7 884.3 887.4 889.7 894.9 896.6 900.1 892.1 2000 895.6 894.9 893.2 891.6 887.2 885.9 886.3 887.5 889.9 895.3 898.4 897.4 891.9 2001 897.5 895.1 893.4 890.9 887.6 884.5 884.0 887.9 891.5 895.1 897.0 898.8 891.9 2002 896.9 896.2 894.5 890.9 889.1 886.0 886.5 886.2 892.2 895.7 898.0 896.6 892.4 2003 896.7 892.8 893.9 892.8 891.7 885.4 883.0 887.5 891.1 895.7 898.1 899.4 892.3 2004 894.8 896.1 894.7 891.4 888.7 886.0 886.3 886.6 892.5 897.9 908.5 909.2 894.4 2005 908.3 906.0 904.4 905.3 902.1 896.5 895.3 897.6 901.1 907.5 909.6 910.5 903.7 MEAN 897.2 895.5 893.9 892.7 891.0 886.6 885.0 887.7 891.7 896.8 898.8 898.7 893.0 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 128 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MAX. OF QFE PRESSURE IN HPA AT 1800 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 889.0 889.2 895.5 895.4 ****** ****** ****** ****** DAY ** ** ** ** ** 8 17 30 30 ** ** ** 1957 ****** ****** ****** ****** ****** 891.0 893.8 902.0 907.5 901.8 906.6 903.8 ****** DAY ** ** ** ** ** 17 26 31 9 31 24 29 1958 903.2 901.0 897.8 898.6 901.2 892.9 889.2 890.6 895.8 900.2 904.8 903.8 904.8 DAY 2 13 1 2 13 2 16 25 29 22 3 5 1959 902.4 898.8 899.2 899.6 896.6 892.2 887.4 887.3 892.6 901.9 902.0 907.0 907.0 DAY 5 22 9 8 4 21 15 27 26 20 21 27 1960 903.4 903.8 900.3 899.2 898.1 890.7 887.9 887.2 894.6 902.5 902.7 906.1 906.1 DAY 19 1 20 8 5 14 19 14 12 30 11 5 1961 905.9 902.9 903.2 897.8 895.1 894.7 887.1 889.8 893.9 903.4 902.9 904.8 905.9 DAY 10 22 4 18 14 10 24 9 29 31 1 3 1962 904.8 903.9 900.9 898.1 895.6 ****** ****** ****** ****** ****** ****** ****** ****** DAY 18 11 3 19 16 ** ** ** ** ** ** ** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1965 901.5 900.5 900.4 895.2 897.0 893.0 887.6 893.4 897.1 900.6 902.7 903.4 903.4 DAY 16 1 16 24 21 3 9 9 30 28 28 22 1966 904.8 901.8 901.0 900.2 896.6 894.9 888.9 893.5 895.3 903.1 905.9 905.9 905.9 DAY 1 26 3 26 13 2 3 17 20 31 22 7 1967 906.1 902.6 902.2 898.3 898.7 894.5 888.2 889.9 893.4 904.1 900.6 903.4 906.1 DAY 6 28 3 4 2 7 15 16 14 15 6 15 1968 904.5 903.5 903.3 898.6 897.7 894.3 890.3 894.2 897.0 903.4 905.5 904.0 905.5 DAY 19 6 27 1 1 1 19 29 20 16 24 21 1969 904.5 905.5 898.5 896.9 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 9 3 3 6 ** ** ** ** ** ** ** ** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 904.2 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 25 1984 905.0 904.1 900.1 896.0 892.5 889.7 887.0 885.6 895.4 904.3 903.0 904.5 905.0 DAY 4 20 3 1 5 4 22 27 25 21 26 18 1985 901.0 898.0 904.0 895.1 897.7 888.0 885.8 893.0 895.0 899.7 901.8 902.2 904.0 DAY 14 24 5 21 12 2 15 30 30 31 17 8 1986 903.8 899.7 901.0 896.6 896.3 891.0 890.0 893.3 897.4 901.2 903.0 901.2 903.8 DAY 24 22 27 4 20 2 3 31 22 14 15 7 1987 902.4 903.0 896.8 898.3 895.8 892.3 891.0 890.9 896.7 902.2 907.2 907.4 907.4 DAY 17 1 22 22 1 1 28 7 25 28 30 1 1988 905.5 903.6 897.2 900.2 893.3 892.5 886.8 889.6 896.1 900.4 902.3 906.1 906.1 DAY 2 7 17 3 2 1 30 26 24 16 15 29 1989 901.8 903.0 898.5 898.4 896.1 889.2 887.1 889.8 899.5 901.8 901.8 900.3 903.0 DAY 30 8 31 9 1 2 8 21 23 27 28 18 1990 904.6 900.6 902.0 895.7 893.4 890.4 888.4 889.0 894.2 902.6 904.0 904.8 904.8 DAY 26 7 10 3 17 1 15 2 26 19 23 28 1991 904.4 907.0 899.9 897.5 894.5 890.8 887.7 889.9 898.4 899.0 902.4 902.0 907.0 DAY 12 15 12 14 8 21 1 31 28 27 13 17 1992 906.2 900.6 903.8 896.5 895.4 891.1 887.9 893.7 896.2 899.3 902.9 902.4 906.2 DAY 10 16 12 11 2 11 5 31 1 29 4 11 1993 904.1 901.0 899.5 897.0 895.5 892.1 889.7 891.7 894.6 903.4 902.5 904.4 904.4 DAY 6 7 31 1 10 23 27 6 23 16 30 26 1994 902.8 899.6 898.9 903.3 894.5 889.0 885.6 887.4 900.5 902.2 900.7 904.5 904.5 DAY 28 7 3 5 7 9 13 16 23 9 1 7 1995 903.3 898.6 900.0 896.2 898.2 893.3 885.7 888.6 894.4 903.4 902.6 903.2 903.4 DAY 7 14 2 10 26 1 28 18 22 26 27 10 1996 902.4 899.1 895.6 899.6 895.7 889.2 891.0 892.2 895.2 901.8 907.5 905.2 907.5 DAY 26 8 1 7 3 1 3 31 25 19 18 7 1997 902.1 903.3 902.3 897.5 897.3 892.0 885.4 890.3 896.0 899.2 903.5 905.8 905.8 DAY 19 7 11 14 6 3 9 30 20 9 8 28 1998 902.0 902.2 898.9 899.6 897.5 892.7 889.5 889.9 894.2 899.8 901.9 905.9 905.9 DAY 4 23 26 11 7 6 22 27 13 10 20 9 1999 905.3 900.2 897.8 896.3 894.4 892.3 887.4 892.2 896.6 897.8 902.6 904.8 905.3 DAY 2 7 19 11 12 1 28 18 29 10 30 6 2000 902.9 901.2 897.0 895.4 893.2 890.3 892.1 890.8 894.4 899.5 905.7 903.6 905.7 DAY 30 10 3 3 5 3 20 23 29 16 17 17 2001 902.6 903.1 901.3 897.5 890.6 890.6 889.0 892.6 897.2 900.0 902.4 905.0 905.0 DAY 29 9 1 1 11 2 31 14 22 10 2 17 2002 903.3 903.0 904.0 899.7 893.1 890.6 889.9 889.3 896.3 898.8 904.3 904.0 904.3 DAY 27 5 11 1 9 25 3 29 30 10 18 3 2003 903.6 900.6 904.7 898.2 898.6 890.7 885.5 890.0 897.2 898.8 906.3 906.0 906.3 DAY 12 6 2 7 2 1 2 4 27 17 25 12 2004 900.3 902.7 900.1 896.6 893.2 891.4 889.7 890.8 898.0 901.3 913.4 920.0 920.0 DAY 12 10 22 12 3 1 16 30 30 27 29 3 2005 915.0 912.9 909.0 911.5 906.5 901.8 898.0 900.5 903.7 911.4 913.9 915.7 915.7 DAY 13 17 27 9 23 5 15 26 24 26 27 29 1956-2005 915.0 912.9 909.0 911.5 906.5 901.8 898.0 902.0 907.5 911.4 913.9 920.0 920.0 YEAR-DAY 5-13 5-17 5-27 5- 9 5-23 5- 5 5-15 57-31 57- 9 5-26 5-27 4- 3 4- 3 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 129 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MIN. OF QFE PRESSURE IN HPA AT 1800 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 879.9 880.2 885.3 887.8 ****** ****** ****** ****** DAY ** ** ** ** ** 2 15 4 10 ** ** ** 1957 ****** ****** ****** ****** ****** 885.3 879.2 891.2 891.2 890.8 891.4 891.2 ****** DAY ** ** ** ** ** 30 13 8 28 10 18 5 1958 894.6 893.4 893.2 891.8 892.0 884.2 876.0 884.8 887.0 892.0 895.0 893.8 876.0 DAY 31 5 9 30 1 21 9 2 3 9 30 9 1959 890.8 888.0 891.0 889.4 884.2 879.0 880.4 879.1 881.9 888.6 892.0 893.5 879.0 DAY 23 28 26 18 30 28 2 2 24 30 25 12 1960 891.6 890.6 885.9 888.2 884.0 880.7 879.2 882.6 885.2 890.4 890.5 894.5 879.2 DAY 27 29 7 19 31 30 1 11 2 8 19 29 1961 892.8 887.6 887.8 884.7 881.2 880.3 880.3 883.5 884.6 890.4 892.5 890.2 880.3 DAY 21 17 17 8 30 6 13 1 10 2 23 22 1962 892.0 891.1 887.1 883.4 887.3 ****** ****** ****** ****** ****** ****** ****** ****** DAY 27 27 28 5 10 ** ** ** ** ** ** ** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1965 886.0 888.1 888.5 885.6 886.4 880.9 881.6 885.9 889.7 890.2 894.0 892.7 880.9 DAY 10 9 23 21 29 24 11 1 22 25 9 20 1966 895.5 889.9 883.7 886.2 887.8 881.3 883.0 883.2 889.2 891.0 899.2 890.4 881.3 DAY 27 14 20 23 26 26 17 5 8 1 30 12 1967 892.5 890.4 881.5 885.1 885.4 883.8 879.4 881.7 887.0 894.9 894.6 886.8 879.4 DAY 21 12 24 26 18 5 9 4 18 21 16 23 1968 888.2 889.3 886.0 887.0 889.2 880.7 881.4 883.7 887.7 891.9 893.7 891.1 880.7 DAY 22 2 18 24 30 23 12 14 7 25 18 9 1969 890.4 890.6 889.2 888.1 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 30 14 23 13 ** ** ** ** ** ** ** ** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 890.4 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 27 1984 888.0 889.0 886.9 887.6 883.9 880.5 881.7 882.0 884.9 891.9 891.6 892.0 880.5 DAY 29 8 13 26 29 7 15 8 1 18 15 14 1985 891.2 882.3 887.5 885.3 885.0 881.9 881.7 884.4 886.0 889.1 893.0 888.1 881.7 DAY 2 16 30 24 21 18 26 7 8 11 7 5 1986 885.6 887.6 884.0 886.8 886.0 879.0 883.0 884.5 890.0 893.0 889.0 884.0 879.0 DAY 20 1 8 29 10 20 18 4 29 24 7 20 1987 887.0 887.8 885.6 887.9 888.0 882.8 880.6 882.9 887.2 891.0 892.0 889.2 880.6 DAY 2 10 14 19 22 11 3 29 2 4 7 30 1988 888.6 888.9 884.2 887.6 885.7 879.8 879.0 882.6 885.3 891.4 891.4 889.5 879.0 DAY 19 3 23 15 24 30 8 24 1 7 28 26 1989 888.5 889.3 885.2 886.3 885.0 879.8 883.8 883.5 885.7 889.9 895.0 892.3 879.8 DAY 17 14 28 29 31 7 18 1 12 1 24 5 1990 890.8 886.9 889.3 885.2 883.5 881.6 878.7 883.7 885.7 890.8 891.3 886.1 878.7 DAY 17 15 25 15 12 27 4 8 3 1 1 25 1991 887.5 890.2 887.9 886.2 883.0 881.1 879.0 883.0 887.8 893.3 892.1 889.9 879.0 DAY 25 7 7 11 28 12 14 12 3 4 6 22 1992 889.6 886.5 885.3 884.7 886.6 878.2 882.0 883.2 889.5 891.3 890.8 891.0 878.2 DAY 23 11 24 18 4 27 18 1 18 7 26 19 1993 887.4 887.8 885.5 885.6 883.0 882.3 881.8 883.5 887.5 890.8 891.7 891.3 881.8 DAY 8 23 12 12 29 3 9 12 3 3 14 4 1994 889.0 886.7 889.3 886.9 887.7 878.7 879.6 880.2 886.1 892.2 891.0 888.1 878.7 DAY 16 12 12 3 1 29 20 3 1 2 25 4 1995 893.0 889.9 887.0 886.4 885.4 880.5 877.2 882.0 888.4 890.5 889.7 893.6 877.2 DAY 22 23 26 24 14 17 16 3 4 12 25 4 1996 892.3 888.3 887.9 887.0 886.5 884.1 883.8 884.6 883.4 889.2 892.4 893.5 883.4 DAY 12 5 19 10 29 5 11 8 20 6 28 15 1997 885.1 890.6 886.6 887.9 887.7 880.7 879.6 884.0 887.3 893.0 892.9 889.3 879.6 DAY 17 27 29 9 5 19 16 3 2 23 19 10 1998 884.9 883.8 886.5 888.2 883.4 883.8 878.1 884.8 886.8 889.6 893.7 892.4 878.1 DAY 13 15 1 24 30 29 8 22 6 2 1 18 1999 888.0 889.7 887.1 887.3 882.6 879.0 880.9 883.2 885.8 892.9 892.1 892.6 879.0 DAY 18 20 2 14 20 23 2 6 16 24 1 15 2000 889.3 885.1 885.5 888.5 883.1 880.7 880.7 883.1 882.5 890.6 891.0 890.7 880.7 DAY 21 7 13 22 27 26 9 31 1 1 6 15 2001 891.0 887.0 885.2 886.0 880.5 880.3 879.5 884.2 886.4 891.0 890.9 892.0 879.5 DAY 19 21 26 17 25 10 18 27 5 2 17 5 2002 891.1 890.4 889.4 884.3 884.8 879.1 882.0 882.7 889.2 893.3 892.7 887.9 879.1 DAY 21 20 22 3 13 20 25 8 17 14 6 21 2003 887.4 887.1 888.2 887.5 884.8 879.0 879.2 882.6 886.4 891.0 890.3 894.2 879.0 DAY 28 17 29 17 23 30 25 1 12 5 14 6 2004 887.8 891.1 884.7 883.2 883.0 880.1 882.5 882.8 887.6 894.3 903.2 903.3 880.1 DAY 23 15 31 17 13 17 11 15 11 3 23 15 2005 899.5 900.4 896.7 896.4 894.9 888.1 889.9 893.1 897.4 901.9 903.4 904.8 888.1 DAY 23 5 24 30 6 27 4 7 5 4 8 24 1956-2005 884.9 882.3 881.5 883.2 880.5 878.2 876.0 879.1 881.9 888.6 889.0 884.0 876.0 YEAR-DAY 98-13 85-16 67-24 4-17 1-25 92-27 58- 9 59- 2 59-24 59-30 86- 7 86-20 58- 9 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 130 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF QNH PRESSURE IN HPA AT 1800 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1005.3 1005.5 1010.8 1012.6 ****** ****** ****** ****** 1957 ****** ****** ****** ****** ****** 1009.6 1008.5 1019.2 1022.0 1019.1 1020.4 1020.3 ****** 1958 1020.1 1019.2 1017.1 1016.1 1015.6 1009.1 1005.5 1009.1 1012.3 1018.7 1023.2 1020.2 1015.5 1959 1020.0 1014.9 1016.3 1015.8 1011.8 1009.2 1005.2 1004.2 1008.1 1016.5 1019.7 1023.3 1013.8 1960 1020.6 1018.5 1014.6 1014.2 1013.1 1006.6 1004.7 1006.2 1012.9 1018.8 1020.5 1021.9 1014.4 1961 1020.3 1017.9 1015.2 1014.4 1011.1 1008.3 1004.2 1007.7 1009.2 1018.8 1020.0 1019.5 1013.9 1962 1020.2 1017.3 1014.6 1013.0 1012.4 ****** ****** ****** ****** ****** ****** ****** ****** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 1018.0 1016.5 1016.6 1012.8 1012.7 1008.1 1005.7 1011.0 1015.4 1018.6 1021.7 1021.3 1014.9 1966 1022.1 1017.5 1015.9 1014.9 1014.4 1008.2 1006.6 1009.7 1014.2 1019.4 1025.4 1020.4 1015.7 1967 1021.9 1017.5 1013.7 1014.2 1013.7 1008.9 1004.4 1007.8 1011.3 1022.5 1019.8 1019.9 1014.6 1968 1017.6 1019.1 1016.6 1015.8 1014.9 1008.0 1007.1 1009.1 1014.8 1020.0 1022.7 1020.0 1015.5 1969 1019.7 1019.8 1016.6 1015.6 ****** ****** ****** ****** ****** ****** ****** ****** ****** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1020.8 ****** 1984 1018.4 1020.2 1015.9 1013.4 1010.4 1005.7 1005.7 1004.7 1013.3 1020.2 1019.6 1020.9 1014.0 1985 1018.5 1012.7 1016.6 1011.6 1011.3 1005.8 1003.9 1009.3 1012.4 1016.9 1019.8 1018.8 1013.1 1986 1018.5 1015.7 1014.3 1013.1 1012.4 1004.8 1007.2 1009.7 1014.8 1018.1 1017.5 1017.6 1013.6 1987 1018.5 1018.2 1012.5 1014.9 1013.4 1008.6 1007.8 1007.4 1012.4 1019.3 1020.5 1019.7 1014.4 1988 1018.2 1016.5 1012.9 1014.0 1010.9 1007.1 1003.2 1006.3 1011.7 1018.1 1019.8 1018.7 1013.1 1989 1017.6 1019.3 1013.5 1015.0 1012.5 1006.9 1006.3 1008.4 1011.6 1017.6 1020.1 1018.3 1013.9 1990 1018.2 1014.8 1017.0 1012.3 1010.0 1006.4 1004.7 1007.1 1011.3 1018.0 1020.4 1019.2 1013.3 1991 1018.6 1018.0 1015.0 1013.9 1009.4 1007.4 1004.7 1007.2 1013.6 1018.7 1020.4 1018.1 1013.7 1992 1018.1 1014.7 1015.0 1013.3 1013.5 1006.8 1005.7 1009.1 1013.9 1017.4 1020.1 1018.5 1013.8 1993 1018.9 1017.8 1016.3 1013.7 1011.9 1007.4 1006.5 1009.7 1012.5 1020.7 1019.3 1021.3 1014.7 1994 1018.7 1014.6 1015.9 1014.6 1012.2 1004.6 1003.0 1005.9 1015.6 1019.7 1018.4 1020.6 1013.6 1995 1020.1 1017.3 1016.0 1013.6 1013.0 1006.9 1002.0 1006.9 1012.3 1017.7 1018.9 1021.1 1013.8 1996 1019.9 1016.0 1013.8 1014.3 1013.0 1007.7 1007.2 1008.8 1010.4 1017.5 1021.5 1021.6 1014.3 1997 1017.6 1017.7 1013.4 1013.5 1013.3 1007.5 1003.3 1007.5 1013.1 1018.1 1019.8 1018.7 1013.6 1998 1016.5 1016.8 1015.4 1014.2 1012.4 1009.7 1005.5 1008.8 1012.3 1017.5 1020.4 1021.6 1014.3 1999 1018.7 1017.5 1014.2 1013.8 1010.9 1006.6 1005.0 1008.4 1011.0 1016.8 1018.7 1022.6 1013.7 2000 1017.5 1016.8 1014.9 1013.1 1008.2 1006.8 1007.2 1008.6 1011.2 1017.2 1020.6 1019.5 1013.5 2001 1019.6 1016.9 1015.2 1012.4 1008.7 1005.3 1004.6 1009.0 1013.0 1016.9 1019.1 1021.1 1013.5 2002 1018.9 1018.2 1016.4 1012.3 1010.3 1006.9 1007.4 1007.1 1013.8 1017.7 1020.2 1018.6 1014.0 2003 1018.8 1014.4 1015.6 1014.5 1013.2 1006.2 1003.6 1008.6 1012.5 1017.6 1020.3 1021.7 1013.9 2004 1016.7 1018.0 1016.5 1012.9 1009.8 1006.9 1007.2 1007.6 1014.1 1020.1 1031.8 1032.6 1016.2 2005 1031.6 1029.1 1027.3 1028.3 1024.8 1018.6 1017.2 1019.8 1023.7 1030.8 1033.0 1034.1 1026.5 MEAN 1019.3 1017.5 1015.6 1014.4 1012.4 1007.6 1005.8 1008.8 1013.2 1018.9 1021.1 1021.0 1014.6 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 131 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MAX. OF QNH PRESSURE IN HPA AT 1800 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1010.2 1010.4 1017.4 1017.3 ****** ****** ****** ****** DAY ** ** ** ** ** 8 17 30 30 ** ** ** 1957 ****** ****** ****** ****** ****** 1012.4 1015.5 1024.6 1030.7 1024.4 1029.7 1026.6 ****** DAY ** ** ** ** ** 17 26 31 9 31 24 29 1958 1026.0 1023.5 1020.0 1020.9 1023.7 1014.5 1010.4 1012.0 1017.8 1022.6 1027.7 1026.6 1027.7 DAY 2 13 1 2 13 2 16 25 29 22 3 5 1959 1025.1 1021.1 1021.5 1022.0 1018.7 1013.8 1008.4 1008.3 1014.2 1024.5 1024.6 1030.2 1030.2 DAY 5 22 9 8 4 21 15 27 26 20 21 27 1960 1026.2 1026.6 1022.8 1021.5 1020.3 1012.1 1009.0 1008.2 1016.4 1025.2 1025.4 1029.2 1029.2 DAY 19 1 20 8 5 14 19 14 12 30 11 5 1961 1029.0 1025.6 1026.0 1020.0 1017.0 1016.5 1008.1 1011.1 1015.7 1026.2 1025.6 1027.7 1029.0 DAY 10 22 4 18 14 10 24 9 29 31 1 3 1962 1027.7 1026.7 1023.4 1020.3 1017.5 ****** ****** ****** ****** ****** ****** ****** ****** DAY 18 11 3 19 16 ** ** ** ** ** ** ** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1965 1024.1 1023.0 1022.9 1017.1 1019.1 1014.7 1008.7 1015.1 1019.2 1023.1 1025.4 1026.2 1026.2 DAY 16 1 16 24 21 3 9 9 30 28 28 22 1966 1027.7 1024.4 1023.5 1022.6 1018.7 1016.8 1010.1 1015.2 1017.2 1025.9 1029.0 1029.0 1029.0 DAY 1 26 3 26 13 2 3 17 20 31 22 7 1967 1029.2 1025.3 1024.9 1020.5 1021.0 1016.3 1009.3 1011.2 1015.1 1027.0 1023.1 1026.2 1029.2 DAY 6 28 3 4 2 7 15 16 14 15 6 15 1968 1027.4 1026.3 1026.1 1020.9 1019.9 1016.1 1011.7 1016.0 1019.1 1026.2 1028.5 1026.9 1028.5 DAY 19 6 27 1 1 1 19 29 20 16 24 21 1969 1027.4 1028.5 1020.8 1019.0 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 9 3 3 6 ** ** ** ** ** ** ** ** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1027.1 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 25 1984 1028.0 1027.0 1022.5 1018.0 1014.1 1011.0 1008.0 1006.4 1017.3 1027.2 1025.7 1027.4 1028.0 DAY 4 20 3 1 5 4 22 27 25 21 26 18 1985 1023.5 1020.2 1026.9 1017.0 1019.9 1009.1 1006.7 1014.7 1016.9 1022.1 1024.4 1024.9 1026.9 DAY 14 24 5 21 12 2 15 30 30 31 17 8 1986 1026.6 1022.1 1023.5 1018.7 1018.3 1012.4 1011.3 1015.0 1019.5 1023.7 1025.7 1023.7 1026.6 DAY 24 22 27 4 20 2 3 31 22 14 15 7 1987 1025.1 1025.7 1018.9 1020.5 1017.8 1013.9 1012.4 1012.3 1018.8 1024.9 1030.4 1030.6 1030.6 DAY 17 1 22 22 1 1 28 7 25 28 30 1 1988 1028.5 1026.4 1019.3 1022.6 1015.0 1014.1 1007.8 1010.9 1018.1 1022.9 1025.0 1029.2 1029.2 DAY 2 7 17 3 2 1 30 26 24 16 15 29 1989 1024.4 1025.7 1020.8 1020.6 1018.1 1010.4 1008.1 1011.1 1021.9 1024.4 1024.4 1022.8 1025.7 DAY 30 8 31 9 1 2 8 21 23 27 28 18 1990 1027.5 1023.1 1024.6 1017.7 1015.1 1011.8 1009.6 1010.2 1016.0 1025.3 1026.9 1027.7 1027.7 DAY 26 7 10 3 17 1 15 2 26 19 23 28 1991 1027.3 1030.2 1022.3 1019.6 1016.3 1012.2 1008.8 1011.2 1020.6 1021.3 1025.1 1024.6 1030.2 DAY 12 15 12 14 8 21 1 31 28 27 13 17 1992 1029.3 1023.1 1026.6 1018.5 1017.3 1012.5 1009.0 1015.4 1018.2 1021.6 1025.6 1025.1 1029.3 DAY 10 16 12 11 2 11 5 31 1 29 4 11 1993 1027.0 1023.5 1021.9 1019.1 1017.4 1013.7 1011.0 1013.2 1016.4 1026.2 1025.2 1027.3 1027.3 DAY 6 7 31 1 10 23 27 6 23 16 30 26 1994 1025.5 1022.0 1021.2 1026.1 1016.3 1010.2 1006.4 1008.4 1023.0 1024.9 1023.2 1027.4 1027.4 DAY 28 7 3 5 7 9 13 16 23 9 1 7 1995 1026.1 1020.9 1022.4 1018.2 1020.4 1015.0 1006.6 1009.8 1016.2 1026.2 1025.3 1026.0 1026.2 DAY 7 14 2 10 26 1 28 18 22 26 27 10 1996 1025.1 1021.4 1017.5 1022.0 1017.7 1010.4 1012.4 1013.8 1017.1 1024.4 1030.7 1028.2 1030.7 DAY 26 8 1 7 3 1 3 31 25 19 18 7 1997 1024.8 1026.1 1025.0 1019.6 1019.4 1013.5 1006.2 1011.7 1018.0 1021.5 1026.3 1028.9 1028.9 DAY 19 7 11 14 6 3 9 30 20 9 8 28 1998 1024.6 1024.9 1021.2 1022.0 1019.6 1014.3 1010.8 1011.2 1016.0 1022.2 1024.5 1029.0 1029.0 DAY 4 23 26 11 7 6 22 27 13 10 20 9 1999 1028.3 1022.6 1020.0 1018.3 1016.2 1013.9 1008.4 1013.8 1018.7 1020.0 1025.3 1027.7 1028.3 DAY 2 7 19 11 12 1 28 18 29 10 30 6 2000 1025.6 1023.7 1019.1 1017.3 1014.9 1011.7 1013.7 1012.2 1016.2 1021.9 1028.7 1026.4 1028.7 DAY 30 10 3 3 5 3 20 23 29 16 17 17 2001 1025.3 1025.9 1023.9 1019.6 1012.0 1012.0 1010.2 1014.2 1019.3 1022.4 1025.1 1028.0 1028.0 DAY 29 9 1 1 11 2 31 14 22 10 2 17 2002 1026.1 1025.7 1026.9 1022.1 1014.8 1012.0 1011.2 1010.6 1018.3 1021.1 1027.2 1026.9 1027.2 DAY 27 5 11 1 9 25 3 29 30 10 18 3 2003 1026.4 1023.1 1027.6 1020.4 1020.9 1012.1 1006.3 1011.3 1019.3 1021.1 1029.4 1029.1 1029.4 DAY 12 6 2 7 2 1 2 4 27 17 25 12 2004 1022.8 1025.4 1022.5 1018.7 1014.9 1012.9 1011.0 1012.2 1020.2 1023.9 1037.3 1044.6 1044.6 DAY 12 10 22 12 3 1 16 30 30 27 29 3 2005 1039.1 1036.7 1032.4 1035.2 1029.6 1024.4 1020.2 1023.0 1026.5 1035.1 1037.8 1039.8 1039.8 DAY 13 17 27 9 23 5 15 26 24 26 27 29 1956-2005 1039.1 1036.7 1032.4 1035.2 1029.6 1024.4 1020.2 1024.6 1030.7 1035.1 1037.8 1044.6 1044.6 YEAR-DAY 5-13 5-17 5-27 5- 9 5-23 5- 5 5-15 57-31 57- 9 5-26 5-27 4- 3 4- 3 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 132 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MIN. OF QNH PRESSURE IN HPA AT 1800 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1000.1 1000.5 1006.1 1008.9 ****** ****** ****** ****** DAY ** ** ** ** ** 2 15 4 10 ** ** ** 1957 ****** ****** ****** ****** ****** 1006.1 999.3 1012.7 1012.7 1012.2 1012.9 1012.7 ****** DAY ** ** ** ** ** 30 13 8 28 10 18 5 1958 1016.4 1015.1 1014.9 1013.3 1013.5 1004.9 995.8 1005.6 1008.0 1013.5 1016.9 1015.5 995.8 DAY 31 5 9 30 1 21 9 2 3 9 30 9 1959 1012.2 1009.1 1012.4 1010.7 1004.9 999.1 1000.7 999.2 1002.3 1009.8 1013.5 1015.2 999.1 DAY 23 28 26 18 30 28 2 2 24 30 25 12 1960 1013.1 1012.0 1006.8 1009.3 1004.7 1001.0 999.3 1003.1 1006.0 1011.8 1011.9 1016.3 999.3 DAY 27 29 7 19 31 30 1 11 2 8 19 29 1961 1014.4 1008.7 1008.9 1005.4 1001.6 1000.6 1000.6 1004.1 1005.3 1011.8 1014.1 1011.6 1000.6 DAY 21 17 17 8 30 6 13 1 10 2 23 22 1962 1013.5 1012.5 1008.1 1004.0 1008.3 ****** ****** ****** ****** ****** ****** ****** ****** DAY 27 27 28 5 10 ** ** ** ** ** ** ** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1965 1006.9 1009.2 1009.7 1006.4 1007.3 1001.2 1002.0 1006.8 1011.0 1011.6 1015.8 1014.3 1001.2 DAY 10 9 23 21 29 24 11 1 22 25 9 20 1966 1017.4 1011.2 1004.3 1007.1 1008.9 1001.7 1003.6 1003.8 1010.4 1012.4 1021.5 1011.8 1001.7 DAY 27 14 20 23 26 26 17 5 8 1 30 12 1967 1014.1 1011.8 1001.9 1005.9 1006.2 1004.4 999.6 1002.1 1008.0 1016.8 1016.4 1007.8 999.6 DAY 21 12 24 26 18 5 9 4 18 21 16 23 1968 1009.3 1010.6 1006.9 1008.0 1010.4 1001.0 1001.8 1004.3 1008.8 1013.4 1015.4 1012.5 1001.0 DAY 22 2 18 24 30 23 12 14 7 25 18 9 1969 1011.8 1012.0 1010.4 1009.2 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 30 14 23 13 ** ** ** ** ** ** ** ** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1011.8 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 27 1984 1009.1 1010.2 1007.9 1008.7 1004.6 1000.8 1002.1 1002.5 1005.7 1013.4 1013.1 1013.5 1000.8 DAY 29 8 13 26 29 7 15 8 1 18 15 14 1985 1012.7 1002.8 1008.6 1006.1 1005.8 1002.3 1002.1 1005.1 1006.9 1010.3 1014.7 1009.2 1002.1 DAY 2 16 30 24 21 18 26 7 8 11 7 5 1986 1006.4 1008.7 1004.7 1007.8 1006.9 999.1 1003.6 1005.2 1011.3 1014.7 1010.2 1004.7 999.1 DAY 20 1 8 29 10 20 18 4 29 24 7 20 1987 1008.0 1008.9 1006.4 1009.0 1009.1 1003.3 1000.9 1003.5 1008.2 1012.4 1013.5 1010.4 1000.9 DAY 2 10 14 19 22 11 3 29 2 4 7 30 1988 1009.8 1010.1 1004.9 1008.7 1006.6 1000.0 999.1 1003.1 1006.1 1012.9 1012.9 1010.8 999.1 DAY 19 3 23 15 24 30 8 24 1 7 28 26 1989 1009.7 1010.6 1006.0 1007.2 1005.8 1000.0 1004.4 1004.1 1006.6 1011.2 1016.9 1013.9 1000.0 DAY 17 14 28 29 31 7 18 1 12 1 24 5 1990 1012.2 1007.9 1010.6 1006.0 1004.1 1002.0 998.8 1004.3 1006.6 1012.2 1012.8 1007.0 998.8 DAY 17 15 25 15 12 27 4 8 3 1 1 25 1991 1008.6 1011.6 1009.0 1007.1 1003.6 1001.5 999.1 1003.6 1008.9 1015.0 1013.7 1011.2 999.1 DAY 25 7 7 11 28 12 14 12 3 4 6 22 1992 1010.9 1007.4 1006.1 1005.4 1007.6 998.2 1002.5 1003.8 1010.8 1012.8 1012.2 1012.4 998.2 DAY 23 11 24 18 4 27 18 1 18 7 26 19 1993 1008.4 1008.9 1006.3 1006.4 1003.6 1002.8 1002.2 1004.1 1008.6 1012.2 1013.2 1012.8 1002.2 DAY 8 23 12 12 29 3 9 12 3 3 14 4 1994 1010.2 1007.7 1010.6 1007.9 1008.8 998.8 999.8 1000.5 1007.0 1013.8 1012.4 1009.2 998.8 DAY 16 12 12 3 1 29 20 3 1 2 25 4 1995 1014.7 1011.2 1008.0 1007.3 1006.2 1000.8 997.1 1002.5 1009.6 1011.9 1011.0 1015.3 997.1 DAY 22 23 26 24 14 17 16 3 4 12 25 4 1996 1013.9 1009.4 1009.0 1008.0 1007.4 1004.8 1004.4 1005.3 1004.0 1010.4 1014.0 1015.2 1004.0 DAY 12 5 19 10 29 5 11 8 20 6 28 15 1997 1005.9 1012.0 1007.6 1009.0 1008.8 1001.0 999.8 1004.7 1008.3 1014.7 1014.5 1010.6 999.8 DAY 17 27 29 9 5 19 16 3 2 23 19 10 1998 1005.7 1004.4 1007.4 1009.3 1004.0 1004.4 998.1 1005.6 1007.8 1010.9 1015.4 1014.0 998.1 DAY 13 15 1 24 30 29 8 22 6 2 1 18 1999 1009.1 1011.0 1008.1 1008.3 1003.1 999.1 1001.2 1003.8 1006.7 1014.5 1013.7 1014.2 999.1 DAY 18 20 2 14 20 23 2 6 16 24 1 15 2000 1010.6 1005.9 1006.3 1009.7 1003.7 1001.0 1001.0 1003.7 1003.0 1012.0 1012.4 1012.1 1001.0 DAY 21 7 13 22 27 26 9 31 1 1 6 15 2001 1012.4 1008.0 1006.0 1006.9 1000.8 1000.6 999.7 1004.9 1007.3 1012.4 1012.3 1013.5 999.7 DAY 19 21 26 17 25 10 18 27 5 2 17 5 2002 1012.5 1011.8 1010.7 1005.0 1005.6 999.2 1002.5 1003.2 1010.4 1015.0 1014.3 1009.0 999.2 DAY 21 20 22 3 13 20 25 8 17 14 6 21 2003 1008.4 1008.1 1009.3 1008.6 1005.6 999.1 999.3 1003.1 1007.3 1012.4 1011.7 1016.0 999.1 DAY 28 17 29 17 23 30 25 1 12 5 14 6 2004 1008.9 1012.5 1005.4 1003.8 1003.6 1000.3 1003.0 1003.3 1008.7 1016.1 1026.0 1026.1 1000.3 DAY 23 15 31 17 13 17 11 15 11 3 23 15 2005 1021.9 1022.9 1018.8 1018.4 1016.8 1009.2 1011.2 1014.8 1019.5 1024.5 1026.2 1027.7 1009.2 DAY 23 5 24 30 6 27 4 7 5 4 8 24 1956-2005 1005.7 1002.8 1001.9 1003.8 1000.8 998.2 995.8 999.2 1002.3 1009.8 1010.2 1004.7 995.8 YEAR-DAY 98-13 85-16 67-24 4-17 1-25 92-27 58- 9 59- 2 59-24 59-30 86- 7 86-20 58- 9 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 133 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF QFF PRESSURE IN HPA AT 1800 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1000.6 998.0 1003.2 1005.2 ****** ****** ****** ****** 1957 ****** ****** ****** ****** ****** 1001.8 1000.1 1012.2 1016.0 1013.9 1018.7 1020.1 ****** 1958 1019.7 1018.3 1012.7 1009.5 1008.5 999.8 996.0 1000.0 1004.3 1013.2 1022.7 1019.7 1010.4 1959 1020.9 1014.7 1012.6 1009.4 1004.4 1000.9 996.0 994.4 999.3 1010.1 1018.1 1023.9 1008.7 1960 1020.2 1016.0 1012.0 1009.5 1005.8 996.9 994.7 996.6 1004.9 1013.3 1018.4 1022.3 1009.2 1961 1020.6 1017.3 1011.3 1009.5 1003.2 999.1 994.2 998.2 1000.4 1013.5 1017.8 1018.1 1008.6 1962 1020.2 1014.6 1010.5 1007.2 1005.1 ****** ****** ****** ****** ****** ****** ****** ****** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 1017.9 1015.6 1013.5 1008.0 1005.1 999.1 996.3 1002.6 1007.9 1012.1 1018.6 1020.9 1009.8 1966 1020.5 1014.8 1012.1 1009.4 1006.0 998.0 996.6 1000.4 1005.5 1013.3 1023.3 1019.3 1009.9 1967 1022.0 1015.9 1010.1 1008.7 1005.7 999.7 994.2 998.6 1002.5 1017.4 1016.2 1019.8 1009.2 1968 1016.8 1018.6 1012.7 1010.3 1007.7 998.9 997.6 999.8 1007.0 1014.1 1019.3 1018.6 1010.1 1969 1020.1 1019.3 1011.1 1009.6 ****** ****** ****** ****** ****** ****** ****** ****** ****** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1022.4 ****** 1984 1019.5 1020.9 1011.4 1006.9 1002.5 996.4 996.1 994.6 1005.4 1015.6 1015.8 1022.0 1008.9 1985 1018.0 1010.0 1013.6 1005.1 1003.1 995.5 992.9 1000.3 1003.9 1010.7 1016.1 1017.6 1007.2 1986 1018.4 1014.4 1011.8 1006.6 1003.8 994.4 997.2 1000.4 1007.0 1011.3 1014.3 1017.8 1008.1 1987 1017.4 1015.7 1007.9 1008.1 1005.1 998.9 997.6 997.3 1003.3 1013.8 1016.9 1017.9 1008.3 1988 1018.2 1015.3 1008.6 1007.4 1001.8 996.6 992.1 996.3 1002.9 1011.7 1016.0 1016.6 1006.9 1989 1018.8 1019.7 1009.6 1009.0 1004.4 996.5 996.0 998.7 1003.0 1010.9 1016.0 1016.6 1008.3 1990 1018.4 1013.3 1013.2 1005.7 1000.8 996.1 994.2 996.7 1002.3 1011.6 1016.5 1018.1 1007.2 1991 1018.3 1017.3 1011.6 1007.5 1000.8 997.2 994.0 997.2 1005.2 1012.8 1017.0 1016.2 1007.9 1992 1018.5 1013.2 1012.5 1007.7 1006.3 996.5 995.4 999.6 1006.1 1011.6 1016.2 1016.9 1008.4 1993 1019.6 1015.8 1012.9 1007.2 1003.6 997.4 996.4 1000.1 1003.9 1015.3 1015.9 1020.5 1009.1 1994 1018.0 1012.8 1011.5 1008.4 1003.6 994.0 992.2 995.5 1008.1 1014.1 1013.4 1019.9 1007.6 1995 1019.2 1015.3 1012.8 1007.8 1005.0 997.0 991.0 996.7 1003.8 1011.5 1015.2 1021.3 1008.0 1996 1020.8 1013.7 1010.1 1008.0 1004.9 997.6 997.4 998.4 1000.6 1010.7 1018.5 1019.8 1008.4 1997 1016.0 1015.6 1009.2 1007.2 1004.7 996.6 991.0 996.4 1003.6 1010.6 1016.1 1016.9 1007.0 1998 1015.2 1014.6 1010.3 1006.5 1002.9 999.5 993.9 998.0 1002.7 1010.2 1015.6 1018.3 1007.3 1999 1017.7 1014.3 1009.8 1006.2 1001.4 995.1 993.5 997.7 1001.4 1009.4 1014.1 1021.1 1006.8 2000 1015.9 1014.6 1010.5 1004.6 997.3 996.2 996.8 998.3 1001.4 1010.4 1017.5 1017.5 1006.8 2001 1019.1 1014.5 1010.1 1004.1 998.3 994.5 993.0 998.6 1003.4 1009.6 1014.8 1017.7 1006.5 2002 1017.6 1015.6 1011.3 1005.0 1000.5 995.7 996.1 995.9 1004.3 1010.3 1016.2 1017.0 1007.1 2003 1017.0 1010.6 1010.9 1006.5 1004.6 994.8 991.5 997.7 1003.0 1010.0 1016.8 1020.2 1007.0 2004 1014.3 1014.4 1010.9 1005.7 1000.1 995.8 996.3 996.6 1004.7 1013.1 1012.1 1016.1 1006.7 2005 1015.4 1012.5 1007.4 1006.4 1001.7 993.6 991.8 994.8 999.7 1008.8 1014.2 1016.6 1005.2 MEAN 1018.4 1015.3 1011.1 1007.5 1003.5 997.2 995.0 998.5 1004.2 1012.1 1016.7 1019.0 1008.2 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 134 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MAX. OF QFF PRESSURE IN HPA AT 1800 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1008.5 1009.9 1011.0 1012.8 ****** ****** ****** ****** DAY ** ** ** ** ** 8 17 30 30 ** ** ** 1957 ****** ****** ****** ****** ****** 1003.9 1007.9 1024.5 1026.8 1020.7 1033.9 1029.3 ****** DAY ** ** ** ** ** 17 26 23 10 19 24 29 1958 1028.0 1024.4 1017.5 1016.3 1019.6 1005.6 1003.6 1003.5 1011.3 1019.5 1029.7 1026.9 1029.7 DAY 2 13 2 2 13 4 16 25 29 22 23 26 1959 1029.8 1022.6 1023.6 1016.7 1013.5 1009.5 1000.5 999.0 1006.5 1017.7 1023.7 1034.6 1034.6 DAY 3 3 9 8 4 7 16 2 25 21 5 16 1960 1027.8 1029.6 1022.1 1017.8 1016.0 1003.3 999.7 998.8 1009.1 1020.9 1027.3 1030.3 1030.3 DAY 29 14 21 8 5 14 19 2 12 30 26 5 1961 1031.6 1026.2 1026.4 1018.6 1010.2 1009.0 999.0 1001.8 1007.8 1024.0 1024.3 1027.0 1031.6 DAY 10 22 4 18 2 10 24 24 28 31 25 3 1962 1029.2 1026.5 1021.2 1016.8 1010.0 ****** ****** ****** ****** ****** ****** ****** ****** DAY 18 11 3 19 7 ** ** ** ** ** ** ** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1965 1027.0 1024.1 1022.9 1014.0 1013.6 1006.5 1000.2 1006.9 1011.7 1018.2 1024.5 1028.4 1028.4 DAY 16 1 16 6 21 3 9 9 30 29 25 22 1966 1027.0 1022.7 1023.8 1019.1 1012.8 1008.6 1001.3 1007.0 1009.3 1022.0 1029.4 1028.7 1029.4 DAY 1 25 3 26 12 2 3 17 20 31 25 7 1967 1031.8 1026.0 1023.2 1015.1 1014.8 1008.5 998.9 1003.3 1006.3 1022.9 1019.7 1027.0 1031.8 DAY 6 28 3 3 2 7 15 27 13 26 29 27 1968 1029.8 1029.7 1025.1 1016.5 1015.5 1011.6 1002.8 1008.4 1013.4 1021.3 1026.8 1027.8 1029.8 DAY 19 6 27 8 1 7 15 29 20 30 24 24 1969 1030.6 1030.9 1018.8 1015.5 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 9 3 25 15 ** ** ** ** ** ** ** ** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1030.4 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 25 1984 1029.2 1030.6 1019.9 1013.9 1007.8 1001.7 998.7 996.1 1011.5 1024.9 1022.3 1029.7 1030.6 DAY 4 20 3 1 2 4 21 27 28 21 26 18 1985 1024.0 1019.5 1028.1 1011.8 1013.5 1000.0 997.1 1006.9 1009.0 1016.7 1022.5 1026.6 1028.1 DAY 4 24 5 1 12 2 15 30 30 31 21 31 1986 1030.1 1021.0 1022.0 1011.6 1011.0 1003.3 1001.0 1007.0 1011.7 1018.0 1025.4 1027.4 1030.1 DAY 24 20 17 4 20 5 3 31 22 20 15 7 1987 1025.5 1025.1 1017.7 1014.6 1011.3 1007.6 1004.4 1002.4 1012.0 1022.3 1033.0 1033.6 1033.6 DAY 13 7 22 22 1 1 28 7 30 29 30 1 1988 1029.4 1030.0 1018.7 1019.5 1007.8 1004.7 998.0 1001.6 1010.8 1017.8 1024.4 1031.2 1031.2 DAY 3 7 25 3 2 1 29 26 24 3 25 29 1989 1028.9 1028.1 1020.1 1016.3 1014.7 1000.3 999.2 1002.4 1016.3 1019.0 1020.9 1022.3 1028.9 DAY 30 8 31 4 1 2 10 30 23 27 28 18 1990 1029.9 1024.2 1024.7 1011.9 1007.2 1004.1 998.8 1001.3 1008.2 1021.8 1024.1 1032.9 1032.9 DAY 26 8 21 3 17 1 15 15 26 19 23 28 1991 1029.0 1033.7 1022.9 1015.5 1008.9 1003.6 998.1 1001.4 1015.9 1015.5 1023.2 1025.4 1033.7 DAY 12 15 12 14 25 21 1 31 28 27 24 17 1992 1033.0 1024.9 1028.7 1016.9 1012.7 1003.3 999.4 1008.0 1011.4 1016.3 1021.2 1026.5 1033.0 DAY 10 16 12 8 2 2 16 31 1 31 4 11 1993 1029.0 1024.0 1022.1 1014.4 1011.4 1004.7 1001.8 1004.4 1009.2 1022.0 1026.0 1027.2 1029.0 DAY 6 8 23 1 10 23 27 6 23 8 30 7 1994 1026.0 1023.0 1019.7 1024.6 1009.2 1001.5 996.8 998.7 1017.5 1020.8 1018.2 1031.1 1031.1 DAY 28 20 3 5 7 9 13 17 23 9 2 8 1995 1026.3 1020.5 1021.1 1015.1 1013.7 1008.8 997.5 999.7 1009.3 1022.0 1027.0 1026.9 1027.0 DAY 7 14 2 7 26 1 29 10 22 26 27 10 1996 1026.9 1022.3 1016.6 1019.0 1011.6 999.9 1002.0 1005.1 1008.1 1019.8 1031.2 1027.9 1031.2 DAY 27 23 1 7 3 1 3 31 25 20 18 7 1997 1025.2 1026.1 1022.1 1016.2 1014.3 1004.8 994.4 1002.1 1009.0 1015.2 1022.5 1030.0 1030.0 DAY 19 7 11 14 7 3 9 30 17 17 8 28 1998 1024.4 1025.8 1016.9 1016.0 1012.5 1003.7 1000.2 1001.6 1007.2 1016.2 1019.8 1026.8 1026.8 DAY 22 23 5 7 7 6 21 31 13 25 20 9 1999 1029.9 1021.8 1019.3 1014.0 1008.0 1003.3 997.9 1003.4 1012.0 1014.2 1024.1 1027.0 1029.9 DAY 2 7 19 11 12 1 28 18 30 27 30 6 2000 1024.1 1024.7 1019.6 1011.4 1004.8 1002.2 1004.5 1002.4 1006.8 1015.8 1027.5 1026.0 1027.5 DAY 24 10 3 3 5 16 20 19 28 5 17 17 2001 1029.4 1024.7 1020.7 1012.9 1003.0 1001.7 1000.0 1005.1 1011.6 1016.3 1023.3 1025.8 1029.4 DAY 29 9 1 3 1 2 31 14 22 10 20 17 2002 1027.2 1027.1 1025.2 1016.4 1005.8 1002.1 1001.5 1000.3 1011.0 1013.2 1024.7 1027.2 1027.2 DAY 27 5 11 1 9 25 30 1 30 26 18 4 2003 1024.8 1021.0 1028.6 1013.1 1016.4 1001.4 994.7 1001.1 1011.3 1014.9 1029.3 1033.0 1033.0 DAY 12 6 2 2 2 2 15 4 27 17 24 13 2004 1023.1 1024.0 1019.9 1012.1 1006.2 1003.1 1001.0 1002.4 1012.4 1018.4 1021.4 1028.1 1028.1 DAY 1 10 22 29 3 1 17 30 30 27 29 3 2005 1026.9 1023.0 1015.0 1017.2 1007.2 1000.3 995.4 999.2 1003.5 1015.3 1021.6 1025.2 1026.9 DAY 13 18 27 9 23 11 28 17 24 26 27 29 1956-2005 1033.0 1033.7 1028.7 1024.6 1019.6 1011.6 1009.9 1024.5 1026.8 1024.9 1033.9 1034.6 1034.6 YEAR-DAY 92-10 91-15 92-12 94- 5 58-13 68- 7 56-17 57-23 57-10 84-21 57-24 59-16 59-16 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 135 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MIN. OF QFF PRESSURE IN HPA AT 1800 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 992.6 988.2 999.0 1000.0 ****** ****** ****** ****** DAY ** ** ** ** ** 29 22 4 10 ** ** ** 1957 ****** ****** ****** ****** ****** 997.8 990.3 1004.9 1005.8 1004.8 1009.8 1010.8 ****** DAY ** ** ** ** ** 30 13 7 18 10 18 5 1958 1013.1 1012.5 1009.7 1004.7 1005.5 994.9 984.7 995.5 999.0 1007.2 1012.4 1010.3 984.7 DAY 6 24 24 30 12 26 9 2 3 9 7 9 1959 1010.6 1006.6 1006.9 1003.4 995.3 988.7 989.9 988.3 991.4 1003.1 1010.0 1013.3 988.3 DAY 22 28 23 18 31 28 28 3 22 30 25 15 1960 1010.5 1007.6 1002.8 1003.0 995.2 991.0 988.6 993.4 995.8 1004.8 1006.8 1015.3 988.6 DAY 27 29 9 28 16 30 9 11 2 8 19 2 1961 1010.0 1005.3 1003.2 1000.8 991.0 990.6 990.1 993.4 994.8 1004.4 1009.0 1008.0 990.1 DAY 21 17 17 8 28 6 13 4 11 5 23 22 1962 1010.6 1006.9 1002.2 995.6 998.8 ****** ****** ****** ****** ****** ****** ****** ****** DAY 27 20 28 5 10 ** ** ** ** ** ** ** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1965 1004.7 1004.5 1003.8 1001.3 999.2 991.1 992.2 997.4 1002.7 1004.7 1010.1 1013.1 991.1 DAY 10 9 23 20 29 24 11 1 22 25 9 20 1966 1013.7 1007.6 997.9 1000.1 998.2 990.1 993.5 993.6 995.1 1004.4 1019.3 1007.7 990.1 DAY 31 14 20 23 26 27 25 5 9 1 18 12 1967 1010.3 1008.8 996.4 999.9 995.9 993.1 988.9 991.4 998.5 1009.6 1012.2 1005.3 988.9 DAY 20 12 23 26 18 5 9 4 18 21 16 23 1968 1006.8 1008.5 1001.1 1000.8 1002.8 991.8 991.1 993.7 1000.6 1006.3 1011.7 1009.9 991.1 DAY 7 2 18 23 27 23 12 13 7 5 18 2 1969 1008.1 1010.5 1003.4 1001.7 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 23 14 23 13 ** ** ** ** ** ** ** ** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1971 ****** ****** ****** ****** ****** 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****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1011.3 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 27 1984 1006.3 1006.6 1001.4 1000.4 993.9 991.9 990.5 991.9 996.3 1006.1 1009.3 1009.8 990.5 DAY 29 8 12 26 29 21 15 8 1 7 14 14 1985 1010.7 997.9 1001.8 996.9 995.5 991.4 990.8 995.6 996.5 1002.1 1009.8 1005.8 990.8 DAY 17 16 25 24 21 8 26 6 8 11 7 5 1986 1003.4 1006.7 999.5 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1001.4 1000.1 986.5 988.2 988.8 996.7 1006.3 1006.7 1003.5 986.5 DAY 5 12 12 26 28 29 20 3 1 2 25 4 1995 1013.1 1006.4 1001.3 1002.0 997.6 989.0 985.3 992.2 1000.2 1003.4 1007.0 1012.4 985.3 DAY 12 23 26 15 14 17 16 3 19 12 25 4 1996 1013.4 1005.2 1003.6 1001.0 998.5 993.1 993.8 994.1 993.1 1002.5 1009.8 1011.3 993.1 DAY 6 5 26 3 29 5 11 8 19 6 9 15 1997 1002.8 1006.9 1002.6 1001.2 998.6 988.9 987.0 993.0 997.5 1006.1 1009.8 1006.2 987.0 DAY 17 27 29 9 24 19 16 1 2 4 12 10 1998 1003.9 1001.6 1002.5 1000.3 992.2 993.3 984.7 994.3 996.3 1000.6 1008.9 1007.8 984.7 DAY 13 15 15 20 30 30 8 22 6 2 1 18 1999 1005.5 1004.9 1002.7 1000.2 991.9 986.1 988.4 992.4 996.5 1006.2 1005.6 1011.4 986.1 DAY 18 20 23 14 20 23 10 6 16 13 1 14 2000 1006.4 1001.8 1001.8 999.9 991.4 988.8 989.2 993.3 992.6 1002.5 1005.8 1008.7 988.8 DAY 21 7 13 21 27 26 9 31 1 2 6 26 2001 1009.3 1002.9 998.7 997.6 991.2 988.0 986.9 993.6 995.7 1003.3 1006.6 1007.6 986.9 DAY 19 21 26 29 25 10 12 27 1 2 17 5 2002 1009.9 1008.0 1001.9 996.0 994.7 986.5 989.8 991.2 1000.7 1007.1 1007.0 1004.8 986.5 DAY 12 25 21 3 13 20 25 17 5 12 13 21 2003 1004.1 1003.2 1002.0 1000.3 995.1 986.2 986.9 989.7 996.6 1002.6 1005.3 1010.1 986.2 DAY 28 15 13 28 23 30 25 1 12 5 1 6 2004 1005.8 1005.2 997.6 994.7 992.9 988.5 991.3 990.7 998.5 1008.5 1004.9 1006.0 988.5 DAY 14 15 31 17 13 17 11 14 11 3 23 15 2005 1002.7 1004.5 997.5 995.3 994.0 982.2 984.5 989.4 995.3 1000.9 1005.4 1007.6 982.2 DAY 23 5 24 30 6 27 4 7 5 4 8 24 1956-2005 1002.7 997.9 996.4 994.7 991.0 982.2 984.5 988.3 991.4 1000.6 1004.9 1000.8 982.2 YEAR-DAY 5-23 85-16 67-23 4-17 61-28 5-27 5- 4 59- 3 59-22 98- 2 4-23 86-20 5-27 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 136 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF COMPUTED QFF PRESSURE IN HPA AT 1800 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 995.0 994.7 1001.2 1003.3 ****** ****** ****** ****** 1957 ****** ****** ****** ****** ****** 999.6 998.6 1009.8 1014.1 1012.7 1017.4 1018.8 ****** 1958 1018.6 1017.3 1011.7 1008.4 1007.2 998.3 994.8 998.9 1003.2 1012.1 1021.6 1018.4 1009.2 1959 1019.7 1013.5 1011.5 1008.2 1003.0 999.0 994.5 992.9 998.4 1009.0 1016.9 1023.6 1007.5 1960 1019.1 1014.9 1011.5 1008.3 1004.7 995.7 993.6 995.8 1004.0 1012.3 1017.3 1021.5 1008.2 1961 1019.9 1016.5 1010.7 1008.9 1002.2 998.3 993.5 997.6 999.6 1012.6 1016.8 1017.5 1007.8 1962 1019.4 1014.1 1009.8 1006.6 1004.4 ****** ****** ****** ****** ****** ****** ****** ****** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 1016.6 1014.5 1012.4 1006.9 1003.6 997.6 994.7 1001.0 1006.6 1011.0 1017.6 1020.4 1008.6 1966 1020.1 1014.5 1011.8 1008.9 1005.4 997.3 996.0 999.7 1005.1 1012.5 1022.9 1018.9 1009.4 1967 1021.6 1015.5 1009.7 1008.3 1005.0 999.0 993.3 998.0 1001.7 1016.8 1015.7 1019.4 1008.6 1968 1016.4 1018.5 1012.1 1009.7 1006.8 997.7 996.8 999.2 1006.3 1013.5 1018.8 1018.1 1009.5 1969 1019.7 1018.8 1010.6 1009.2 ****** ****** ****** ****** ****** ****** ****** ****** ****** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1021.4 ****** 1984 1018.3 1019.9 1010.7 1006.1 1001.6 995.2 995.1 993.5 1004.5 1014.9 1015.1 1021.0 1008.0 1985 1017.0 1009.4 1012.8 1004.2 1002.1 994.4 991.9 999.4 1003.2 1009.9 1015.5 1016.7 1006.4 1986 1017.5 1013.5 1011.0 1005.7 1002.6 993.3 996.4 999.5 1006.0 1010.5 1013.7 1016.8 1007.2 1987 1016.5 1015.0 1007.2 1007.0 1003.8 997.9 996.7 996.3 1002.1 1013.1 1016.2 1017.2 1007.4 1988 1017.0 1014.4 1007.8 1006.7 1000.5 995.3 991.1 995.2 1001.7 1010.9 1015.3 1016.0 1006.0 1989 1017.7 1018.7 1009.0 1008.3 1003.5 995.6 995.0 997.8 1002.1 1010.1 1015.3 1015.8 1007.4 1990 1017.3 1012.5 1012.6 1004.9 999.9 995.2 993.2 995.6 1001.4 1010.8 1015.9 1017.3 1006.4 1991 1017.3 1016.4 1010.9 1006.7 1000.0 996.2 993.0 996.2 1004.3 1011.9 1016.4 1015.4 1007.0 1992 1017.5 1012.4 1011.8 1006.9 1005.2 995.5 994.4 998.7 1005.3 1010.8 1015.5 1016.1 1007.5 1993 1018.7 1014.9 1012.4 1006.4 1002.5 996.2 995.5 999.2 1003.1 1014.6 1015.1 1019.7 1008.2 1994 1017.2 1012.1 1010.9 1007.7 1002.7 993.0 991.2 994.2 1007.2 1013.2 1012.6 1019.0 1006.7 1995 1018.2 1014.6 1012.0 1006.9 1004.1 996.0 989.9 995.8 1003.1 1010.7 1014.6 1020.2 1007.2 1996 1019.8 1013.0 1009.3 1007.3 1004.0 996.6 996.6 998.3 1000.5 1010.7 1018.4 1019.8 1007.9 1997 1015.9 1015.6 1009.3 1007.0 1004.4 996.5 991.1 996.3 1003.4 1010.5 1015.9 1016.8 1006.9 1998 1015.1 1014.5 1010.1 1006.4 1002.8 999.3 993.8 997.8 1002.5 1010.1 1015.5 1018.2 1007.2 1999 1017.7 1014.0 1009.7 1006.1 1001.3 994.8 993.5 997.6 1001.2 1009.2 1014.1 1021.0 1006.7 2000 1015.9 1014.5 1010.3 1004.5 997.1 996.0 996.6 998.1 1001.2 1010.0 1017.2 1017.2 1006.6 2001 1018.9 1014.4 1009.9 1003.8 997.9 994.0 992.7 998.1 1003.1 1009.3 1014.5 1017.5 1006.2 2002 1017.2 1015.1 1011.0 1004.7 1000.0 995.5 995.9 995.7 1004.0 1010.0 1016.1 1016.9 1006.8 2003 1017.0 1010.6 1010.8 1006.6 1004.5 994.8 991.5 997.7 1003.1 1009.9 1016.7 1020.3 1007.0 2004 1014.2 1014.3 1010.6 1005.5 1000.0 995.7 996.2 996.6 1004.7 1013.1 1026.8 1031.2 1009.1 2005 1030.5 1027.6 1021.9 1020.8 1015.8 1007.3 1005.4 1008.5 1013.6 1023.0 1029.0 1031.6 1019.6 MEAN 1018.2 1015.2 1011.0 1007.3 1003.2 996.6 994.6 998.1 1003.9 1011.9 1017.1 1019.4 1008.0 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 137 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MAX. OF COMPUTED QFF PRESSURE IN HPA AT 1800 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1001.0 1001.6 1009.3 1010.4 ****** ****** ****** ****** DAY ** ** ** ** ** 8 17 30 30 ** ** ** 1957 ****** ****** ****** ****** ****** 1002.2 1006.6 1016.1 1023.0 1019.3 1032.4 1028.1 ****** DAY ** ** ** ** ** 17 25 22 9 31 24 29 1958 1026.4 1023.1 1016.6 1015.5 1018.1 1004.5 1002.3 1002.8 1010.5 1018.0 1027.8 1025.3 1027.8 DAY 2 13 2 1 13 2 16 26 29 22 23 26 1959 1029.3 1021.6 1021.9 1015.2 1011.8 1003.4 999.2 997.6 1005.8 1017.2 1022.5 1033.6 1033.6 DAY 3 22 9 8 4 21 16 31 26 20 5 15 1960 1026.7 1025.8 1024.9 1016.8 1014.6 1002.1 999.7 998.4 1008.7 1020.4 1024.6 1029.2 1029.2 DAY 29 1 20 8 6 14 19 18 12 30 11 5 1961 1031.4 1026.2 1025.5 1018.1 1009.9 1008.6 998.6 1001.5 1007.4 1023.4 1023.6 1026.2 1031.4 DAY 10 22 4 18 2 10 24 24 29 31 25 3 1962 1028.3 1026.3 1020.5 1015.4 1009.6 ****** ****** ****** ****** ****** ****** ****** ****** DAY 18 11 4 19 7 ** ** ** ** ** ** ** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1965 1025.6 1022.8 1021.8 1013.1 1012.3 1004.7 998.5 1005.0 1010.6 1017.0 1023.2 1027.9 1027.9 DAY 16 1 16 6 21 3 19 9 26 29 25 22 1966 1026.7 1022.8 1023.2 1018.4 1012.4 1007.6 1000.6 1006.6 1008.7 1021.3 1029.1 1028.3 1029.1 DAY 1 26 3 5 12 2 3 17 5 31 25 7 1967 1031.4 1025.6 1022.6 1018.6 1014.0 1007.8 997.9 1002.6 1005.5 1022.3 1019.3 1026.7 1031.4 DAY 6 28 3 4 2 7 15 27 13 26 29 27 1968 1029.4 1029.5 1024.8 1016.0 1014.8 1007.2 1002.1 1007.6 1012.7 1020.9 1026.2 1027.3 1029.5 DAY 19 6 27 1 1 1 15 29 20 30 24 24 1969 1030.1 1030.4 1018.5 1015.3 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 9 3 25 15 ** ** ** ** ** ** ** ** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1029.2 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 25 1984 1028.1 1029.5 1019.1 1013.1 1007.1 1000.6 997.7 995.0 1010.7 1024.2 1021.6 1028.3 1029.5 DAY 4 20 3 1 2 4 21 27 28 21 27 18 1985 1022.7 1018.7 1027.0 1011.0 1012.3 998.5 995.9 1006.0 1008.2 1015.9 1021.7 1026.1 1027.0 DAY 4 24 5 1 12 1 15 30 30 31 21 31 1986 1028.9 1020.1 1021.0 1010.7 1010.3 1001.9 1000.0 1005.8 1010.7 1016.6 1024.4 1025.9 1028.9 DAY 24 20 27 4 20 2 23 31 22 19 15 7 1987 1024.1 1024.0 1016.8 1013.5 1010.3 1006.2 1002.9 1001.0 1009.5 1020.9 1031.8 1032.4 1032.4 DAY 12 7 22 22 1 1 28 7 26 28 30 1 1988 1028.2 1028.7 1017.7 1019.3 1006.9 1003.5 996.7 1000.8 1009.9 1017.1 1022.5 1030.0 1030.0 DAY 3 7 25 3 2 1 29 26 24 3 26 29 1989 1027.8 1026.8 1019.2 1015.6 1014.3 999.6 997.4 1001.6 1015.4 1018.2 1020.5 1021.4 1027.8 DAY 30 8 31 4 1 2 24 30 23 27 28 18 1990 1028.8 1023.0 1023.6 1011.1 1006.3 1003.3 997.9 999.9 1007.3 1021.2 1023.4 1031.8 1031.8 DAY 26 8 21 12 17 1 15 15 26 19 23 28 1991 1027.8 1032.5 1020.9 1015.0 1009.2 1002.8 997.4 1000.5 1015.1 1014.7 1022.3 1024.2 1032.5 DAY 12 15 12 14 8 21 1 31 28 27 24 17 1992 1031.8 1023.8 1027.5 1015.6 1011.5 1002.0 998.5 1007.1 1010.6 1015.5 1020.6 1025.3 1031.8 DAY 10 16 12 8 2 2 16 31 1 31 4 11 1993 1027.5 1022.9 1021.6 1013.9 1010.4 1004.5 1000.9 1003.4 1008.2 1021.6 1025.0 1026.0 1027.5 DAY 6 8 23 1 10 23 27 6 23 8 30 7 1994 1025.0 1022.0 1018.9 1024.0 1008.2 1000.3 996.1 997.8 1016.7 1019.9 1017.4 1030.1 1030.1 DAY 28 20 3 5 7 9 13 17 23 9 2 8 1995 1025.0 1019.5 1020.3 1014.1 1012.5 1007.7 995.9 998.8 1008.6 1020.8 1025.8 1025.6 1025.8 DAY 7 14 2 7 26 1 26 10 22 26 27 10 1996 1025.7 1021.2 1015.6 1018.5 1010.8 998.9 1001.6 1005.1 1008.0 1019.7 1030.2 1027.9 1030.2 DAY 27 23 1 7 3 1 3 31 25 19 18 7 1997 1025.3 1026.1 1022.1 1016.0 1013.9 1004.5 994.0 1002.1 1009.2 1015.2 1022.4 1030.1 1030.1 DAY 19 7 11 14 6 3 9 30 17 17 8 28 1998 1024.4 1025.9 1016.9 1016.3 1012.3 1003.7 1000.4 1001.8 1006.7 1016.3 1019.8 1026.7 1026.7 DAY 22 23 5 11 7 6 22 31 13 25 20 9 1999 1030.0 1021.7 1019.0 1014.0 1007.8 1003.1 998.0 1003.1 1011.6 1013.7 1024.2 1027.2 1030.0 DAY 2 7 19 11 12 1 28 19 30 27 30 6 2000 1024.1 1024.6 1017.0 1011.3 1004.5 1002.1 1004.8 1002.1 1006.5 1015.2 1027.3 1026.4 1027.3 DAY 24 10 3 3 5 16 20 23 29 16 17 17 2001 1029.3 1024.4 1020.4 1012.5 1002.5 1001.3 999.9 1005.2 1011.0 1015.7 1023.1 1025.5 1029.3 DAY 29 9 1 3 1 2 31 14 22 10 20 17 2002 1026.4 1026.8 1025.0 1016.4 1005.5 1001.9 1001.6 999.8 1010.7 1013.2 1024.5 1027.1 1027.1 DAY 27 5 11 1 9 25 30 1 30 31 18 4 2003 1024.7 1021.1 1028.6 1013.0 1016.3 1000.8 994.7 1001.1 1011.3 1014.9 1029.1 1033.0 1033.0 DAY 12 6 2 2 2 2 15 4 27 17 24 13 2004 1023.1 1024.0 1019.8 1012.1 1005.4 1003.1 1000.6 1002.4 1012.5 1018.4 1036.7 1043.5 1043.5 DAY 1 10 22 29 3 1 16 30 30 27 29 3 2005 1040.6 1038.6 1030.1 1032.2 1021.6 1014.5 1009.2 1013.2 1017.6 1030.1 1036.9 1040.7 1040.7 DAY 13 18 27 9 8 11 28 17 24 26 27 29 1956-2005 1040.6 1038.6 1030.1 1032.2 1021.6 1014.5 1009.2 1016.1 1023.0 1030.1 1036.9 1043.5 1043.5 YEAR-DAY 5-13 5-18 5-27 5- 9 5- 8 5-11 5-28 57-22 57- 9 5-26 5-27 4- 3 4- 3 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 138 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MIN. OF COMPUTED QFF PRESSURE IN HPA AT 1800 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 987.2 988.7 996.1 998.5 ****** ****** ****** ****** DAY ** ** ** ** ** 2 15 4 12 ** ** ** 1957 ****** ****** ****** ****** ****** 995.8 990.3 1002.4 1004.3 1003.6 1008.6 1009.4 ****** DAY ** ** ** ** ** 30 17 14 28 4 18 5 1958 1012.2 1011.2 1008.6 1003.9 1004.1 993.4 983.1 994.5 997.9 1006.3 1011.8 1009.5 983.1 DAY 6 24 24 30 12 21 9 2 4 9 7 9 1959 1009.5 1005.7 1005.8 1002.0 994.6 987.4 988.7 987.4 992.7 1002.4 1009.1 1014.1 987.4 DAY 22 28 23 18 30 28 28 3 24 4 25 12 1960 1009.7 1006.7 1001.4 1002.2 994.3 989.9 987.1 991.5 994.6 1001.9 1005.5 1015.0 987.1 DAY 27 29 7 20 31 30 1 12 2 8 19 2 1961 1009.9 1005.1 1003.2 1000.7 990.3 988.9 988.6 992.7 994.1 1003.6 1008.5 1007.2 988.6 DAY 21 17 17 8 28 6 13 1 11 5 23 22 1962 1009.9 1006.4 1001.3 995.1 997.9 ****** ****** ****** ****** ****** ****** ****** ****** DAY 27 20 28 5 10 ** ** ** ** ** ** ** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1965 1003.9 1003.4 1002.5 1000.2 997.6 989.7 990.4 995.7 1001.5 1003.7 1009.1 1012.9 989.7 DAY 10 9 23 20 29 24 11 1 22 25 9 20 1966 1013.1 1007.4 997.6 999.8 997.2 989.4 992.9 993.0 1000.6 1003.7 1019.1 1007.3 989.4 DAY 31 14 20 23 26 27 25 5 1 1 18 12 1967 1009.9 1008.4 996.1 999.6 995.3 993.1 988.1 990.7 997.6 1008.9 1011.7 1005.1 988.1 DAY 20 12 23 26 18 5 10 4 18 21 16 23 1968 1006.4 1008.6 1000.9 1000.2 1001.6 991.2 990.3 993.0 999.9 1005.7 1011.1 1009.4 990.3 DAY 7 2 18 24 27 23 12 14 7 5 18 2 1969 1007.7 1010.1 1003.0 1001.3 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 23 14 23 13 ** ** ** ** ** ** ** ** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1010.5 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 27 1984 1005.7 1006.0 1000.6 999.6 993.0 989.1 990.6 990.9 995.2 1005.6 1008.6 1009.1 989.1 DAY 29 8 12 26 29 7 15 8 1 7 14 14 1985 1010.2 997.6 1000.9 996.1 994.8 990.3 989.6 994.8 995.7 1001.3 1009.3 1005.1 989.6 DAY 17 16 25 24 21 8 28 7 8 11 7 5 1986 1003.0 1006.0 999.1 998.8 996.1 985.8 992.3 994.0 1001.8 1005.9 1004.7 1000.2 985.8 DAY 20 10 8 18 10 20 18 4 29 8 7 20 1987 1006.5 1003.6 1000.2 998.4 998.6 991.9 988.6 991.5 996.6 1002.7 1006.1 1006.6 988.6 DAY 2 10 12 19 23 11 3 29 2 4 7 13 1988 1006.1 1005.3 997.7 998.7 995.0 986.9 986.1 991.6 995.1 1005.3 1009.2 1005.8 986.1 DAY 29 3 23 23 24 30 8 24 1 10 28 27 1989 1007.1 1008.1 999.4 999.6 993.7 988.5 991.6 993.5 995.8 1001.7 1011.1 1008.4 988.5 DAY 17 23 28 29 31 7 18 1 12 1 16 5 1990 1009.6 1003.1 1004.6 996.1 993.3 989.7 985.9 991.6 995.2 1002.9 1007.1 1003.1 985.9 DAY 1 15 25 15 12 30 4 8 3 2 1 25 1991 1004.2 1006.1 1004.2 999.0 993.4 989.3 986.5 991.8 998.3 1007.2 1007.4 1008.4 986.5 DAY 25 4 6 11 28 12 14 12 8 4 6 1 1992 1008.6 1003.9 1001.6 997.3 999.3 985.9 990.6 992.3 1000.6 1004.4 1006.3 1008.0 985.9 DAY 2 11 24 18 20 27 23 1 18 6 26 19 1993 1006.1 1004.9 1001.6 999.9 992.7 991.9 990.1 993.0 998.0 1002.3 1006.1 1010.6 990.1 DAY 8 23 12 12 29 3 9 12 4 3 14 4 1994 1006.6 1002.3 1004.3 1000.5 999.2 985.6 987.0 987.4 995.8 1005.3 1005.9 1002.6 985.6 DAY 5 12 12 26 28 29 20 3 1 2 25 4 1995 1010.1 1005.8 1000.3 1001.2 997.0 988.1 984.4 991.5 999.6 1002.6 1006.6 1011.8 984.4 DAY 22 23 26 15 14 17 16 3 19 12 25 4 1996 1012.2 1004.4 1002.9 1000.2 997.4 991.9 992.8 994.2 993.0 1002.4 1009.4 1011.3 991.9 DAY 6 5 26 25 29 5 11 8 20 6 9 15 1997 1002.9 1006.5 1001.9 1001.1 998.7 989.0 987.3 993.4 997.5 1005.9 1009.5 1006.3 987.3 DAY 17 27 29 10 24 19 7 19 2 7 12 10 1998 1003.6 1001.4 1002.2 1000.3 992.1 993.1 985.0 993.5 996.5 1000.4 1009.0 1007.7 985.0 DAY 13 15 15 22 30 30 8 23 6 2 1 18 1999 1005.5 1004.8 1002.8 1000.0 992.0 986.4 988.1 992.3 996.1 1005.9 1005.6 1011.2 986.4 DAY 18 20 23 14 20 23 2 6 16 13 1 15 2000 1005.9 1001.7 1001.1 999.7 991.4 988.4 988.8 992.8 992.2 1002.1 1006.9 1008.2 988.4 DAY 21 7 13 22 27 26 9 31 1 2 6 26 2001 1009.9 1002.5 1000.1 997.7 989.2 987.6 986.3 993.0 995.2 1002.9 1006.7 1007.5 986.3 DAY 19 21 26 29 25 10 12 27 1 2 17 5 2002 1009.2 1007.7 1002.0 996.0 994.8 986.6 989.9 991.5 1000.2 1007.1 1007.0 1005.0 986.6 DAY 12 25 21 3 13 20 25 17 17 12 13 21 2003 1004.1 1003.2 1002.0 1000.2 995.0 986.1 986.9 989.7 996.5 1002.5 1005.3 1010.1 986.1 DAY 28 15 13 28 23 30 25 1 12 5 1 6 2004 1005.8 1005.2 997.8 994.6 992.8 988.7 991.5 991.0 998.5 1008.5 1019.3 1020.6 988.7 DAY 14 15 31 17 13 17 11 15 11 3 23 15 2005 1017.5 1019.3 1011.7 1009.3 1008.0 995.5 997.9 1003.1 1009.1 1014.9 1019.8 1022.1 995.5 DAY 23 5 24 30 6 27 4 7 5 4 8 24 1956-2005 1002.9 997.6 996.1 994.6 989.2 985.6 983.1 987.4 992.2 1000.4 1004.7 1000.2 983.1 YEAR-DAY 97-17 85-16 67-23 4-17 1-25 94-29 58- 9 59- 3 0- 1 98- 2 86- 7 86-20 58- 9 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 139 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF QFE PRESSURE IN HPA AT 2100 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 884.9 884.9 889.6 891.2 ****** ****** ****** ****** 1957 ****** ****** ****** ****** ****** 888.5 887.2 897.1 899.3 896.6 897.8 897.7 ****** 1958 897.6 897.1 895.1 894.2 893.9 888.1 885.0 888.1 891.1 896.8 900.8 898.2 893.8 1959 897.6 893.3 894.7 894.0 890.9 888.4 884.9 883.8 887.7 895.0 897.6 900.9 892.4 1960 898.5 896.6 893.0 892.5 891.8 886.2 884.7 885.8 891.8 897.0 898.7 899.3 893.0 1961 897.8 895.8 893.4 892.9 889.9 887.4 883.9 887.0 888.3 896.9 897.9 897.4 892.4 1962 898.1 895.4 893.1 891.6 891.2 ****** ****** ****** ****** ****** ****** ****** ****** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 895.8 894.6 894.8 891.6 891.6 887.4 885.2 889.9 893.8 896.4 898.9 898.6 893.2 1966 899.2 895.2 894.0 893.0 892.5 887.2 885.9 888.4 892.8 897.5 902.6 898.0 893.9 1967 899.2 895.1 892.0 892.6 892.1 887.9 884.0 887.0 890.1 900.4 897.7 897.6 893.0 1968 895.7 896.9 894.6 894.2 893.1 887.0 886.4 888.0 892.9 897.6 900.0 897.7 893.7 1969 897.2 897.3 894.6 893.2 ****** ****** ****** ****** ****** ****** ****** ****** ****** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 898.0 ****** 1984 896.1 897.6 894.0 891.9 889.2 885.1 885.0 884.2 891.7 898.0 897.2 898.6 892.4 1985 896.1 891.3 894.6 890.4 889.9 885.0 883.4 888.3 890.9 894.7 897.4 896.2 891.5 1986 896.2 893.8 892.7 891.5 891.1 884.0 886.2 888.3 893.0 896.1 895.5 895.2 892.0 1987 896.1 895.8 890.7 892.9 891.6 887.4 886.7 886.4 891.0 896.9 898.2 897.3 892.6 1988 895.7 894.4 891.5 892.2 889.8 886.4 882.9 885.7 890.3 895.9 897.3 896.0 891.5 1989 895.2 896.8 891.6 893.1 891.1 885.9 885.5 887.2 889.9 895.4 897.5 895.6 892.1 1990 895.7 892.8 894.7 890.6 888.7 885.4 883.9 886.2 889.7 895.8 897.7 896.8 891.5 1991 896.0 895.6 893.1 892.2 888.2 886.2 883.9 886.1 891.7 896.3 897.9 895.8 891.9 1992 895.6 892.8 893.1 891.6 891.8 885.7 884.8 887.7 892.0 895.0 897.4 895.9 891.9 1993 896.3 895.5 894.2 891.6 890.4 886.2 885.4 888.2 890.5 898.0 896.8 898.3 892.6 1994 896.1 892.7 893.6 892.8 890.5 883.8 882.3 884.8 893.4 897.1 895.8 897.7 891.7 1995 897.4 894.8 893.7 891.9 891.5 885.8 881.5 885.8 890.6 895.3 896.3 898.0 891.9 1996 897.1 893.7 891.8 892.3 891.2 886.4 886.0 887.4 889.0 895.2 898.7 898.7 892.3 1997 895.0 895.2 891.4 891.6 891.3 886.1 882.6 886.2 891.3 895.6 897.2 896.1 891.6 1998 894.4 894.6 893.2 892.2 890.9 888.2 884.4 887.7 890.6 895.2 897.6 898.7 892.3 1999 896.2 895.0 892.1 892.0 889.3 885.3 884.2 886.9 889.6 894.5 896.3 899.6 891.8 2000 894.9 894.5 893.0 891.3 886.9 885.7 886.0 887.2 889.6 894.9 897.8 896.8 891.5 2001 897.0 894.6 893.2 890.5 887.5 884.3 883.9 887.6 891.0 894.8 896.5 898.2 891.6 2002 896.2 895.6 894.2 890.4 889.0 885.9 886.1 885.8 891.7 895.3 897.5 896.0 892.0 2003 896.1 892.3 893.4 892.4 891.4 885.1 883.1 887.3 890.6 895.2 897.5 899.0 891.9 2004 894.5 895.8 894.5 891.2 888.7 885.7 886.2 886.2 892.0 897.4 908.2 908.5 894.1 2005 907.8 905.6 904.1 904.9 901.6 896.4 895.2 897.5 900.8 907.2 909.1 909.9 903.3 MEAN 896.8 895.3 893.7 892.5 890.9 886.5 885.0 887.6 891.5 896.6 898.5 898.3 892.8 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 140 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MAX. OF QFE PRESSURE IN HPA AT 2100 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 889.3 888.2 895.1 896.9 ****** ****** ****** ****** DAY ** ** ** ** ** 8 17 30 30 ** ** ** 1957 ****** ****** ****** ****** ****** 891.3 893.9 902.2 907.1 901.6 906.2 903.6 ****** DAY ** ** ** ** ** 17 29 31 9 20 24 29 1958 902.8 901.2 897.6 898.4 901.0 893.4 889.6 890.8 895.8 900.0 904.6 903.2 904.6 DAY 2 13 1 1 13 2 15 25 29 22 3 5 1959 902.2 898.8 898.6 899.6 896.8 892.2 888.0 887.3 892.6 902.0 902.6 906.3 906.3 DAY 5 22 20 8 4 21 15 27 26 20 21 15 1960 903.2 904.1 900.3 899.6 898.2 890.7 889.7 888.1 895.0 902.5 903.8 905.7 905.7 DAY 19 1 20 7 5 14 21 14 24 30 26 5 1961 905.3 902.8 902.6 897.7 896.2 894.9 887.0 890.8 894.1 903.6 902.9 905.0 905.3 DAY 10 22 4 18 1 10 24 9 29 31 1 3 1962 905.3 903.0 901.3 898.0 896.1 ****** ****** ****** ****** ****** ****** ****** ****** DAY 18 10 3 19 16 ** ** ** ** ** ** ** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1965 901.4 900.1 900.0 896.4 897.7 893.4 887.9 893.8 896.7 900.8 902.2 902.6 902.6 DAY 16 25 16 24 21 3 9 9 14 28 28 22 1966 903.9 901.8 900.2 899.4 896.8 894.2 889.4 893.0 895.8 903.3 906.0 905.7 906.0 DAY 1 25 3 5 1 2 10 17 22 31 22 7 1967 906.3 901.8 901.4 897.3 899.6 894.5 889.9 890.1 893.0 904.5 900.9 903.3 906.3 DAY 6 28 3 4 2 7 14 15 13 26 5 15 1968 904.2 903.4 903.0 898.2 897.7 894.0 890.5 893.8 896.7 903.1 905.1 903.6 905.1 DAY 19 5 27 1 1 1 19 29 19 16 24 21 1969 904.2 905.8 898.6 895.9 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 9 3 24 28 ** ** ** ** ** ** ** ** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 903.6 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 25 1984 905.0 903.5 899.9 896.0 892.4 889.7 887.9 886.4 896.0 904.3 903.0 904.5 905.0 DAY 4 22 3 1 8 4 22 27 25 21 26 18 1985 901.0 898.3 904.0 894.7 897.0 888.0 886.1 892.6 895.1 899.7 901.8 901.7 904.0 DAY 25 24 5 21 12 15 15 30 29 31 17 7 1986 903.3 900.0 901.0 896.6 896.5 890.6 889.0 893.3 897.0 901.0 903.0 901.0 903.3 DAY 24 22 27 4 19 2 3 31 21 14 15 6 1987 902.0 903.0 897.3 898.0 894.6 891.6 891.0 890.7 896.7 902.3 907.2 906.9 907.2 DAY 12 1 22 22 8 1 28 7 25 28 30 1 1988 905.5 903.6 897.7 900.2 893.7 892.7 887.3 890.0 894.7 900.4 902.3 905.2 905.5 DAY 2 7 17 3 2 1 30 26 24 16 4 29 1989 901.4 902.5 897.3 898.0 896.8 888.6 888.7 889.8 899.3 901.0 900.9 900.0 902.5 DAY 30 25 31 9 1 2 19 21 23 27 28 18 1990 904.2 900.6 902.0 896.8 893.3 890.4 887.4 889.1 894.0 902.8 903.6 904.4 904.4 DAY 26 7 10 3 16 1 15 3 26 18 22 28 1991 904.4 907.0 900.2 898.2 894.5 891.2 887.7 889.7 897.6 898.8 901.8 901.3 907.0 DAY 12 15 12 15 8 22 1 31 30 20 13 17 1992 905.8 900.6 903.4 896.5 896.4 890.7 887.9 893.6 896.2 899.1 902.2 901.5 905.8 DAY 10 16 12 11 28 11 5 31 1 29 4 11 1993 902.3 901.0 899.5 896.0 895.5 891.3 889.1 891.7 893.9 903.2 901.6 903.6 903.6 DAY 6 7 31 1 10 23 27 6 30 16 30 6 1994 902.4 899.0 899.5 902.3 894.1 888.0 885.6 887.0 899.6 902.7 900.4 905.0 905.0 DAY 18 20 3 5 7 9 3 16 23 9 2 7 1995 902.4 898.2 899.5 896.2 897.0 892.7 885.3 888.6 893.6 902.6 902.3 902.3 902.6 DAY 7 14 2 10 26 1 28 18 12 26 27 10 1996 902.3 898.8 895.3 899.0 896.0 888.6 891.0 891.9 894.5 901.0 907.9 904.4 907.9 DAY 27 8 1 7 3 1 3 31 25 19 18 7 1997 901.0 902.7 900.6 896.6 897.7 890.3 885.0 890.0 895.5 899.0 902.7 905.3 905.3 DAY 19 7 11 13 6 4 9 30 17 8 8 28 1998 901.6 901.4 898.4 899.4 896.7 892.6 888.8 890.2 893.6 899.3 901.4 905.5 905.5 DAY 4 23 26 11 7 5 22 19 26 10 20 9 1999 904.0 899.8 897.8 896.3 894.0 891.5 887.1 891.3 896.6 897.4 902.4 903.8 904.0 DAY 2 7 19 11 12 1 18 19 29 10 30 5 2000 902.8 900.9 897.6 895.5 892.2 890.2 892.5 891.6 893.7 898.9 903.9 902.6 903.9 DAY 30 10 3 2 5 16 20 13 28 16 17 17 2001 902.6 902.4 900.7 897.0 891.3 890.0 888.8 892.1 896.9 899.7 901.7 904.3 904.3 DAY 29 9 1 4 11 2 31 14 22 10 2 17 2002 902.4 902.3 902.6 898.7 893.5 889.9 889.6 888.9 895.5 898.3 903.7 903.4 903.7 DAY 27 1 11 1 9 5 3 1 30 10 18 3 2003 902.0 900.1 904.7 897.7 898.1 890.3 886.0 889.5 896.7 898.1 905.8 905.5 905.8 DAY 12 6 2 7 2 2 2 4 27 16 24 13 2004 900.3 902.6 900.6 896.6 892.1 891.1 889.4 890.0 897.9 901.3 912.9 919.2 919.2 DAY 12 8 23 12 8 6 17 30 30 26 28 3 2005 914.3 912.5 908.9 911.0 904.6 901.6 897.8 900.3 903.3 911.1 913.7 915.5 915.5 DAY 13 17 27 8 8 5 15 26 24 26 26 29 1956-2005 914.3 912.5 908.9 911.0 904.6 901.6 897.8 902.2 907.1 911.1 913.7 919.2 919.2 YEAR-DAY 5-13 5-17 5-27 5- 8 5- 8 5- 5 5-15 57-31 57- 9 5-26 5-26 4- 3 4- 3 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 141 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MIN. OF QFE PRESSURE IN HPA AT 2100 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 880.3 880.6 885.2 887.7 ****** ****** ****** ****** DAY ** ** ** ** ** 2 15 4 12 ** ** ** 1957 ****** ****** ****** ****** ****** 885.2 879.4 891.2 891.2 890.6 891.2 891.8 ****** DAY ** ** ** ** ** 28 13 14 18 10 18 6 1958 892.8 893.6 893.0 891.6 892.0 884.4 876.4 884.8 887.0 892.0 894.8 893.6 876.4 DAY 22 5 9 30 1 21 9 2 3 9 30 9 1959 889.4 886.0 891.4 889.2 884.8 879.8 880.4 879.4 883.6 889.2 890.6 894.6 879.4 DAY 22 28 26 18 30 28 2 2 6 30 25 12 1960 892.8 890.6 886.0 880.5 885.5 881.4 879.7 883.2 886.0 890.4 890.5 893.5 879.7 DAY 27 29 8 28 16 30 1 11 2 8 19 29 1961 892.2 889.0 888.8 885.0 881.8 879.5 880.6 883.6 884.4 890.4 892.8 890.1 879.5 DAY 29 17 31 8 30 6 14 1 10 2 23 22 1962 892.8 891.1 886.1 883.9 887.6 ****** ****** ****** ****** ****** ****** ****** ****** DAY 5 27 28 5 10 ** ** ** ** ** ** ** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1965 887.1 889.6 888.9 886.0 886.2 881.3 881.9 886.2 890.6 890.3 892.6 892.9 881.3 DAY 10 9 23 21 29 24 11 1 22 25 9 20 1966 895.0 888.4 884.7 887.0 887.4 880.9 882.9 883.4 889.1 891.0 899.7 891.0 880.9 DAY 27 14 20 23 26 26 17 5 12 1 16 12 1967 892.1 890.0 881.4 885.0 886.5 882.9 879.1 883.6 887.4 895.5 894.2 886.8 879.1 DAY 21 15 23 26 18 5 9 5 7 13 16 23 1968 888.2 889.1 885.7 887.0 889.2 881.0 881.6 883.6 887.9 891.9 893.6 892.2 881.0 DAY 22 2 18 24 16 23 12 14 7 25 18 27 1969 888.7 890.6 888.6 888.2 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 30 14 23 17 ** ** ** ** ** ** ** ** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 890.5 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 27 1984 888.5 889.1 886.4 888.0 884.4 881.9 881.7 882.0 886.0 892.0 890.8 892.0 881.7 DAY 29 8 14 25 29 21 15 8 1 7 15 14 1985 891.2 882.5 887.6 885.7 885.0 881.3 882.0 884.5 885.7 889.6 892.5 889.0 881.3 DAY 2 16 24 24 21 18 19 6 7 11 7 5 1986 886.0 887.0 885.4 887.0 886.0 878.9 883.0 884.3 890.0 892.4 889.0 886.0 878.9 DAY 19 1 8 18 10 20 18 4 8 24 7 20 1987 887.0 888.2 884.5 887.4 888.0 882.6 880.3 882.0 886.9 890.3 891.0 889.3 880.3 DAY 2 10 19 4 22 11 3 18 2 8 7 13 1988 888.8 888.4 883.7 887.3 885.6 879.9 879.6 882.9 885.6 890.8 891.0 889.7 879.6 DAY 26 3 23 15 24 23 8 6 1 30 28 26 1989 887.6 888.5 883.0 886.2 885.6 879.8 883.5 883.2 885.3 889.5 894.2 891.6 879.8 DAY 4 14 28 29 31 7 6 1 12 1 18 31 1990 890.0 885.6 888.8 884.8 883.5 880.9 878.7 883.7 885.0 890.6 891.3 887.3 878.7 DAY 1 15 2 15 12 30 4 8 3 1 1 25 1991 886.0 889.9 887.5 886.2 883.0 881.3 879.5 883.0 887.0 893.3 892.6 889.9 879.5 DAY 25 28 6 12 28 12 14 12 3 3 5 25 1992 889.0 887.1 886.0 883.7 886.1 878.1 882.0 883.0 889.0 890.0 891.7 891.4 878.1 DAY 30 11 24 18 4 27 18 1 18 6 25 19 1993 887.2 888.6 886.0 885.0 885.3 882.7 881.5 883.0 886.9 890.3 892.0 890.4 881.5 DAY 8 4 21 12 29 3 13 12 4 3 13 4 1994 887.3 887.2 887.9 886.6 886.7 878.7 879.6 879.8 885.8 891.5 889.6 887.2 878.7 DAY 16 12 12 3 1 29 19 3 3 2 25 4 1995 891.8 888.7 885.9 887.2 885.9 880.9 876.5 882.0 888.0 890.3 888.3 893.5 876.5 DAY 25 23 26 24 10 17 16 3 4 12 25 4 1996 891.1 888.3 887.3 887.0 885.6 882.6 883.3 883.7 883.0 888.9 891.8 894.5 882.6 DAY 12 5 13 10 29 5 25 13 20 5 28 14 1997 884.1 889.5 885.1 887.5 887.1 881.0 879.4 883.4 886.6 892.0 892.0 888.4 879.4 DAY 17 27 29 10 4 19 15 5 2 23 12 10 1998 886.0 883.3 886.2 887.5 884.7 883.2 877.6 884.8 886.3 889.2 893.3 892.4 877.6 DAY 13 15 1 30 30 29 8 22 6 3 1 18 1999 887.4 887.5 885.0 887.3 882.1 879.0 880.9 883.2 885.8 891.7 891.9 892.3 879.0 DAY 18 5 2 14 20 23 2 6 16 24 25 15 2000 887.5 885.8 885.5 888.8 882.8 881.3 880.7 882.6 881.7 890.2 891.0 889.4 880.7 DAY 20 7 13 22 26 25 9 3 2 1 6 15 2001 891.0 887.5 885.2 886.6 880.6 880.1 879.5 883.3 885.8 891.7 890.6 891.2 879.5 DAY 19 4 25 17 25 10 18 27 5 31 17 5 2002 890.4 891.0 888.2 882.9 885.0 878.4 881.4 881.8 889.0 892.7 891.8 887.8 878.4 DAY 21 25 22 3 20 20 25 17 9 28 6 21 2003 886.8 887.3 887.7 887.5 884.3 878.1 880.0 883.7 886.1 890.0 889.5 893.3 878.1 DAY 28 15 13 17 23 30 25 1 12 5 14 10 2004 888.2 890.8 885.1 882.8 882.3 878.9 882.1 882.5 886.8 893.7 902.3 902.5 878.9 DAY 23 15 31 17 14 17 10 15 11 3 23 26 2005 899.9 900.1 897.3 895.9 894.5 887.6 889.3 893.1 897.3 901.4 902.7 903.5 887.6 DAY 23 4 24 29 6 27 4 7 5 4 8 25 1956-2005 884.1 882.5 881.4 880.5 880.6 878.1 876.4 879.4 881.7 888.9 888.3 886.0 876.4 YEAR-DAY 97-17 85-16 67-23 60-28 1-25 92-27 58- 9 59- 2 0- 2 96- 5 95-25 86-20 58- 9 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 142 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF QNH PRESSURE IN HPA AT 2100 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1005.6 1005.6 1010.9 1012.7 ****** ****** ****** ****** 1957 ****** ****** ****** ****** ****** 1009.7 1008.2 1019.2 1021.7 1018.6 1020.0 1019.9 ****** 1958 1019.7 1019.2 1017.0 1016.0 1015.6 1009.3 1005.8 1009.3 1012.5 1018.9 1023.3 1020.4 1015.6 1959 1019.8 1015.0 1016.5 1015.8 1012.3 1009.6 1005.7 1004.5 1008.8 1016.9 1019.8 1023.4 1014.0 1960 1020.8 1018.6 1014.7 1014.1 1013.4 1007.2 1005.4 1006.7 1013.3 1019.1 1020.9 1021.6 1014.6 1961 1020.0 1017.8 1015.0 1014.5 1011.2 1008.5 1004.6 1008.0 1009.5 1019.0 1020.1 1019.5 1014.0 1962 1020.3 1017.4 1014.7 1013.1 1012.7 ****** ****** ****** ****** ****** ****** ****** ****** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 1017.7 1016.5 1016.7 1013.1 1013.1 1008.5 1006.0 1011.2 1015.5 1018.4 1021.2 1020.9 1014.9 1966 1021.5 1017.1 1015.8 1014.6 1014.1 1008.2 1006.8 1009.6 1014.4 1019.6 1025.3 1020.2 1015.6 1967 1021.6 1017.0 1013.6 1014.2 1013.7 1009.0 1004.6 1008.0 1011.4 1022.9 1019.9 1019.8 1014.6 1968 1017.6 1019.0 1016.4 1015.9 1014.7 1008.0 1007.3 1009.1 1014.6 1019.7 1022.4 1019.8 1015.4 1969 1019.3 1019.4 1016.4 1014.9 ****** ****** ****** ****** ****** ****** ****** ****** ****** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1020.2 ****** 1984 1018.1 1019.8 1015.7 1013.4 1010.4 1005.9 1005.8 1004.9 1013.3 1020.1 1019.4 1020.8 1014.0 1985 1018.0 1012.8 1016.4 1011.8 1011.2 1005.8 1004.0 1009.5 1012.4 1016.6 1019.5 1018.2 1013.0 1986 1018.2 1015.6 1014.3 1013.0 1012.5 1004.7 1007.1 1009.5 1014.7 1018.1 1017.4 1017.1 1013.5 1987 1018.1 1017.8 1012.1 1014.5 1013.1 1008.5 1007.7 1007.3 1012.4 1019.0 1020.4 1019.4 1014.2 1988 1017.7 1016.2 1013.0 1013.8 1011.1 1007.3 1003.5 1006.5 1011.7 1017.9 1019.4 1018.0 1013.0 1989 1017.1 1018.9 1013.1 1014.7 1012.5 1006.8 1006.4 1008.3 1011.2 1017.3 1019.7 1017.6 1013.6 1990 1017.7 1014.4 1016.5 1012.0 1009.9 1006.2 1004.6 1007.1 1011.0 1017.8 1019.8 1018.8 1013.0 1991 1017.9 1017.5 1014.8 1013.8 1009.3 1007.1 1004.6 1007.0 1013.2 1018.3 1020.1 1017.8 1013.4 1992 1017.6 1014.4 1014.8 1013.1 1013.3 1006.5 1005.5 1008.8 1013.5 1016.9 1019.5 1017.9 1013.5 1993 1018.3 1017.4 1016.0 1013.1 1011.8 1007.2 1006.3 1009.3 1011.9 1020.2 1018.9 1020.6 1014.2 1994 1018.1 1014.3 1015.3 1014.4 1011.9 1004.4 1002.8 1005.5 1015.1 1019.2 1017.8 1019.9 1013.2 1995 1019.6 1016.7 1015.4 1013.4 1013.0 1006.7 1001.9 1006.7 1012.0 1017.2 1018.3 1020.2 1013.4 1996 1019.2 1015.5 1013.4 1013.8 1012.7 1007.3 1006.9 1008.5 1010.2 1017.1 1021.0 1021.0 1013.9 1997 1016.8 1017.1 1012.9 1013.1 1012.8 1007.0 1003.1 1007.1 1012.7 1017.5 1019.4 1018.1 1013.1 1998 1016.2 1016.4 1014.9 1013.7 1012.3 1009.4 1005.1 1008.8 1012.0 1017.1 1019.8 1021.0 1013.9 1999 1018.3 1016.9 1013.7 1013.6 1010.6 1006.2 1004.9 1007.9 1010.9 1016.4 1018.3 1022.0 1013.3 2000 1016.8 1016.3 1014.7 1012.8 1007.9 1006.6 1006.9 1008.2 1010.8 1016.8 1019.9 1018.9 1013.0 2001 1019.1 1016.4 1014.8 1011.9 1008.5 1005.0 1004.5 1008.7 1012.4 1016.6 1018.6 1020.4 1013.1 2002 1018.2 1017.5 1016.0 1011.7 1010.3 1006.8 1007.0 1006.7 1013.3 1017.2 1019.7 1018.0 1013.5 2003 1018.1 1013.8 1015.1 1014.0 1012.9 1005.9 1003.7 1008.3 1011.9 1017.0 1019.7 1021.3 1013.5 2004 1016.3 1017.8 1016.3 1012.7 1009.9 1006.6 1007.1 1007.2 1013.6 1019.6 1031.6 1031.8 1015.9 2005 1031.1 1028.7 1027.0 1027.8 1024.2 1018.4 1017.1 1019.6 1023.3 1030.4 1032.5 1033.4 1026.1 MEAN 1018.9 1017.2 1015.4 1014.1 1012.3 1007.5 1005.8 1008.7 1013.0 1018.6 1020.8 1020.6 1014.4 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 143 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MAX. OF QNH PRESSURE IN HPA AT 2100 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1010.6 1009.3 1017.0 1019.0 ****** ****** ****** ****** DAY ** ** ** ** ** 8 17 30 30 ** ** ** 1957 ****** ****** ****** ****** ****** 1012.8 1015.7 1024.9 1030.3 1024.2 1029.3 1026.4 ****** DAY ** ** ** ** ** 17 29 31 9 20 24 29 1958 1025.5 1023.7 1019.8 1020.6 1023.5 1015.1 1010.9 1012.2 1017.8 1022.4 1027.5 1026.0 1027.5 DAY 2 13 1 1 13 2 15 25 29 22 3 5 1959 1024.9 1021.1 1020.9 1022.0 1018.9 1013.8 1009.1 1008.3 1014.2 1024.6 1025.3 1029.4 1029.4 DAY 5 22 20 8 4 21 15 27 26 20 21 15 1960 1026.0 1027.0 1022.8 1022.0 1020.4 1012.1 1011.0 1009.2 1016.9 1025.2 1026.6 1028.7 1028.7 DAY 19 1 20 7 5 14 21 14 24 30 26 5 1961 1028.3 1025.5 1025.3 1019.9 1018.2 1016.8 1008.0 1012.2 1015.9 1026.4 1025.6 1028.0 1028.3 DAY 10 22 4 18 1 10 24 9 29 31 1 3 1962 1028.3 1025.7 1023.9 1020.2 1018.1 ****** ****** ****** ****** ****** ****** ****** ****** DAY 18 10 3 19 16 ** ** ** ** ** ** ** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1965 1024.0 1022.5 1022.4 1018.4 1019.9 1015.1 1009.0 1015.5 1018.8 1023.3 1024.9 1025.3 1025.3 DAY 16 25 16 24 21 3 9 9 14 28 28 22 1966 1026.7 1024.4 1022.6 1021.8 1018.9 1016.0 1010.7 1014.7 1017.8 1026.1 1029.1 1028.7 1029.1 DAY 1 25 3 5 1 2 10 17 22 31 22 7 1967 1029.4 1024.4 1024.0 1019.4 1022.0 1016.3 1011.2 1011.4 1014.7 1027.4 1023.4 1026.1 1029.4 DAY 6 28 3 4 2 7 14 15 13 26 5 15 1968 1027.1 1026.2 1025.7 1020.4 1019.9 1015.8 1011.9 1015.5 1018.8 1025.9 1028.1 1026.4 1028.1 DAY 19 5 27 1 1 1 19 29 19 16 24 21 1969 1027.1 1028.9 1020.9 1017.9 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 9 3 24 28 ** ** ** ** ** ** ** ** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1026.4 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 25 1984 1028.0 1026.3 1022.3 1018.0 1014.0 1011.0 1009.0 1007.3 1018.0 1027.2 1025.7 1027.4 1028.0 DAY 4 22 3 1 8 4 22 27 25 21 26 18 1985 1023.5 1020.5 1026.9 1016.5 1019.1 1009.1 1007.0 1014.2 1017.0 1022.1 1024.4 1024.3 1026.9 DAY 25 24 5 21 12 15 15 30 29 31 17 7 1986 1026.1 1022.4 1023.5 1018.7 1018.5 1012.0 1010.2 1015.0 1019.1 1023.5 1025.7 1023.5 1026.1 DAY 24 22 27 4 19 2 3 31 21 14 15 6 1987 1024.6 1025.7 1019.4 1020.2 1016.4 1013.1 1012.4 1012.1 1018.8 1025.0 1030.4 1030.1 1030.4 DAY 12 1 22 22 8 1 28 7 25 28 30 1 1988 1028.5 1026.4 1019.9 1022.6 1015.4 1014.3 1008.3 1011.3 1016.5 1022.9 1025.0 1028.2 1028.5 DAY 2 7 17 3 2 1 30 26 24 16 4 29 1989 1024.0 1025.2 1019.4 1020.2 1018.9 1009.8 1009.9 1011.1 1021.6 1023.5 1023.4 1022.4 1025.2 DAY 30 25 31 9 1 2 19 21 23 27 28 18 1990 1027.1 1023.1 1024.6 1018.9 1015.0 1011.8 1008.4 1010.3 1015.8 1025.5 1026.4 1027.3 1027.3 DAY 26 7 10 3 16 1 15 3 26 18 22 28 1991 1027.3 1030.2 1022.6 1020.4 1016.3 1012.7 1008.8 1011.0 1019.8 1021.1 1024.4 1023.9 1030.2 DAY 12 15 12 15 8 22 1 31 30 20 13 17 1992 1028.9 1023.1 1026.2 1018.5 1018.4 1012.1 1009.0 1015.3 1018.2 1021.4 1024.9 1024.1 1028.9 DAY 10 16 12 11 28 11 5 31 1 29 4 11 1993 1025.0 1023.5 1021.9 1018.0 1017.4 1012.8 1010.3 1013.2 1015.7 1026.0 1024.2 1026.4 1026.4 DAY 6 7 31 1 10 23 27 6 30 16 30 6 1994 1025.1 1021.3 1021.9 1025.0 1015.9 1009.1 1006.4 1008.0 1022.0 1025.4 1022.9 1028.0 1028.0 DAY 18 20 3 5 7 9 3 16 23 9 2 7 1995 1025.1 1020.4 1021.9 1018.2 1019.1 1014.3 1006.1 1009.8 1015.3 1025.3 1025.0 1025.0 1025.3 DAY 7 14 2 10 26 1 28 18 12 26 27 10 1996 1025.0 1021.1 1017.2 1021.3 1018.0 1009.8 1012.4 1013.4 1016.3 1023.5 1031.2 1027.3 1031.2 DAY 27 8 1 7 3 1 3 31 25 19 18 7 1997 1023.5 1025.4 1023.1 1018.7 1019.9 1011.7 1005.8 1011.3 1017.4 1021.3 1025.4 1028.3 1028.3 DAY 19 7 11 13 6 4 9 30 17 8 8 28 1998 1024.2 1024.0 1020.6 1021.8 1018.8 1014.2 1010.0 1011.6 1015.3 1021.6 1024.0 1028.5 1028.5 DAY 4 23 26 11 7 5 22 19 26 10 20 9 1999 1026.9 1022.2 1020.0 1018.3 1015.8 1013.0 1008.1 1012.8 1018.7 1019.5 1025.1 1026.6 1026.9 DAY 2 7 19 11 12 1 18 19 29 10 30 5 2000 1025.5 1023.4 1019.8 1017.4 1013.8 1011.6 1014.1 1013.1 1015.4 1021.2 1026.7 1025.3 1026.7 DAY 30 10 3 2 5 16 20 13 28 16 17 17 2001 1025.3 1025.1 1023.2 1019.1 1012.8 1011.3 1010.0 1013.7 1019.0 1022.1 1024.3 1027.2 1027.2 DAY 29 9 1 4 11 2 31 14 22 10 2 17 2002 1025.1 1025.0 1025.3 1021.0 1015.2 1011.2 1010.9 1010.1 1017.4 1020.5 1026.5 1026.2 1026.5 DAY 27 1 11 1 9 5 3 1 30 10 18 3 2003 1024.6 1022.5 1027.6 1019.9 1020.3 1011.7 1006.9 1010.8 1018.8 1020.3 1028.9 1028.5 1028.9 DAY 12 6 2 7 2 2 2 4 27 16 24 13 2004 1022.8 1025.3 1023.1 1018.7 1013.7 1012.5 1010.7 1011.3 1020.1 1023.9 1036.7 1043.7 1043.7 DAY 12 8 23 12 8 6 17 30 30 26 28 3 2005 1038.3 1036.3 1032.3 1034.6 1027.5 1024.2 1020.0 1022.8 1026.1 1034.7 1037.6 1039.6 1039.6 DAY 13 17 27 8 8 5 15 26 24 26 26 29 1956-2005 1038.3 1036.3 1032.3 1034.6 1027.5 1024.2 1020.0 1024.9 1030.3 1034.7 1037.6 1043.7 1043.7 YEAR-DAY 5-13 5-17 5-27 5- 8 5- 8 5- 5 5-15 57-31 57- 9 5-26 5-26 4- 3 4- 3 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 144 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MIN. OF QNH PRESSURE IN HPA AT 2100 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1000.6 1000.9 1006.0 1008.8 ****** ****** ****** ****** DAY ** ** ** ** ** 2 15 4 12 ** ** ** 1957 ****** ****** ****** ****** ****** 1006.0 999.6 1012.7 1012.7 1012.0 1012.7 1013.3 ****** DAY ** ** ** ** ** 28 13 14 18 10 18 6 1958 1014.4 1015.3 1014.7 1013.1 1013.5 1005.1 996.2 1005.6 1008.0 1013.5 1016.7 1015.3 996.2 DAY 22 5 9 30 1 21 9 2 3 9 30 9 1959 1010.7 1006.9 1012.9 1010.4 1005.6 1000.0 1000.7 999.6 1004.2 1010.4 1012.0 1016.4 999.6 DAY 22 28 26 18 30 28 2 2 6 30 25 12 1960 1014.4 1012.0 1006.9 1000.8 1006.3 1001.8 999.9 1003.8 1006.9 1011.8 1011.9 1015.2 999.9 DAY 27 29 8 28 16 30 1 11 2 8 19 29 1961 1013.8 1010.2 1010.0 1005.8 1002.2 999.7 1000.9 1004.2 1005.1 1011.8 1014.4 1011.4 999.7 DAY 29 17 31 8 30 6 14 1 10 2 23 22 1962 1014.4 1012.5 1007.0 1004.6 1008.7 ****** ****** ****** ****** ****** ****** ****** ****** DAY 5 27 28 5 10 ** ** ** ** ** ** ** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1965 1008.1 1010.9 1010.1 1006.9 1007.1 1001.7 1002.3 1007.1 1012.0 1011.7 1014.2 1014.5 1001.7 DAY 10 9 23 21 29 24 11 1 22 25 9 20 1966 1016.9 1009.6 1005.4 1008.0 1008.4 1001.2 1003.5 1004.0 1010.3 1012.4 1022.1 1012.4 1001.2 DAY 27 14 20 23 26 26 17 5 12 1 16 12 1967 1013.7 1011.3 1001.8 1005.8 1007.4 1003.5 999.2 1004.2 1008.4 1017.4 1016.0 1007.8 999.2 DAY 21 15 23 26 18 5 9 5 7 13 16 23 1968 1009.3 1010.3 1006.6 1008.0 1010.4 1001.3 1002.0 1004.2 1009.0 1013.4 1015.3 1013.8 1001.3 DAY 22 2 18 24 16 23 12 14 7 25 18 27 1969 1009.9 1012.0 1009.8 1009.3 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 30 14 23 17 ** ** ** ** ** ** ** ** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1011.9 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 27 1984 1009.7 1010.3 1007.3 1009.1 1005.1 1002.3 1002.1 1002.5 1006.9 1013.5 1012.2 1013.5 1002.1 DAY 29 8 14 25 29 21 15 8 1 7 15 14 1985 1012.7 1003.0 1008.7 1006.6 1005.8 1001.7 1002.5 1005.2 1006.6 1010.9 1014.1 1010.2 1001.7 DAY 2 16 24 24 21 18 19 6 7 11 7 5 1986 1006.9 1008.0 1006.2 1008.0 1006.9 999.0 1003.6 1005.0 1011.3 1014.0 1010.2 1006.9 999.0 DAY 19 1 8 18 10 20 18 4 8 24 7 20 1987 1008.0 1009.3 1005.2 1008.4 1009.1 1003.1 1000.6 1002.5 1007.9 1011.7 1012.4 1010.6 1000.6 DAY 2 10 19 4 22 11 3 18 2 8 7 13 1988 1010.0 1009.6 1004.3 1008.3 1006.4 1000.1 999.8 1003.5 1006.4 1012.2 1012.4 1011.0 999.8 DAY 26 3 23 15 24 23 8 6 1 30 28 26 1989 1008.7 1009.7 1003.6 1007.1 1006.4 1000.0 1004.1 1003.8 1006.1 1010.8 1016.0 1013.1 1000.0 DAY 4 14 28 29 31 7 6 1 12 1 18 31 1990 1011.3 1006.4 1010.0 1005.6 1004.1 1001.2 998.8 1004.3 1005.8 1012.0 1012.8 1008.3 998.8 DAY 1 15 2 15 12 30 4 8 3 1 1 25 1991 1006.9 1011.2 1008.6 1007.1 1003.6 1001.7 999.7 1003.6 1008.0 1015.0 1014.2 1011.2 999.7 DAY 25 28 6 12 28 12 14 12 3 3 5 25 1992 1010.2 1008.1 1006.9 1004.3 1007.0 998.1 1002.5 1003.6 1010.2 1011.3 1013.2 1012.9 998.1 DAY 30 11 24 18 4 27 18 1 18 6 25 19 1993 1008.2 1009.8 1006.9 1005.8 1006.1 1003.2 1001.9 1003.6 1007.9 1011.7 1013.5 1011.8 1001.9 DAY 8 4 21 12 29 3 13 12 4 3 13 4 1994 1008.3 1008.2 1009.0 1007.6 1007.7 998.8 999.8 1000.0 1006.7 1013.0 1010.9 1008.2 998.8 DAY 16 12 12 3 1 29 19 3 3 2 25 4 1995 1013.3 1009.9 1006.8 1008.2 1006.8 1001.2 996.3 1002.5 1009.1 1011.7 1009.4 1015.2 996.3 DAY 25 23 26 24 10 17 16 3 4 12 25 4 1996 1012.5 1009.4 1008.3 1008.0 1006.4 1003.1 1003.9 1004.3 1003.6 1010.1 1013.3 1016.3 1003.1 DAY 12 5 13 10 29 5 25 13 20 5 28 14 1997 1004.8 1010.8 1005.9 1008.6 1008.1 1001.3 999.6 1004.0 1007.6 1013.5 1013.5 1009.6 999.6 DAY 17 27 29 10 4 19 15 5 2 23 12 10 1998 1006.9 1003.9 1007.1 1008.6 1005.4 1003.8 997.6 1005.6 1007.2 1010.4 1015.0 1014.0 997.6 DAY 13 15 1 30 30 29 8 22 6 3 1 18 1999 1008.4 1008.6 1005.8 1008.3 1002.6 999.1 1001.2 1003.8 1006.7 1013.2 1013.4 1013.9 999.1 DAY 18 5 2 14 20 23 2 6 16 24 25 15 2000 1008.6 1006.7 1006.3 1010.0 1003.3 1001.7 1001.0 1003.1 1002.1 1011.6 1012.4 1010.7 1001.0 DAY 20 7 13 22 26 25 9 3 2 1 6 15 2001 1012.4 1008.6 1006.0 1007.6 1000.9 1000.3 999.7 1003.9 1006.7 1013.2 1012.0 1012.7 999.7 DAY 19 4 25 17 25 10 18 27 5 31 17 5 2002 1011.8 1012.4 1009.3 1003.5 1005.8 998.5 1001.8 1002.2 1010.2 1014.3 1013.3 1008.9 998.5 DAY 21 25 22 3 20 20 25 17 9 28 6 21 2003 1007.8 1008.3 1008.8 1008.6 1005.0 998.1 1000.2 1004.3 1007.0 1011.3 1010.8 1015.0 998.1 DAY 28 15 13 17 23 30 25 1 12 5 14 10 2004 1009.3 1012.2 1005.9 1003.3 1002.8 999.0 1002.6 1003.0 1007.8 1015.4 1025.0 1025.2 999.0 DAY 23 15 31 17 14 17 10 15 11 3 23 26 2005 1022.3 1022.5 1019.4 1017.9 1016.3 1008.7 1010.6 1014.8 1019.4 1024.0 1025.4 1026.3 1008.7 DAY 23 4 24 29 6 27 4 7 5 4 8 25 1956-2005 1004.8 1003.0 1001.8 1000.8 1000.9 998.1 996.2 999.6 1002.1 1010.1 1009.4 1006.9 996.2 YEAR-DAY 97-17 85-16 67-23 60-28 1-25 92-27 58- 9 59- 2 0- 2 96- 5 95-25 86-20 58- 9 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 145 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF QFF PRESSURE IN HPA AT 2100 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1000.7 997.7 1003.2 1005.1 ****** ****** ****** ****** 1957 ****** ****** ****** ****** ****** 1002.2 999.6 1012.1 1015.4 1013.1 1017.9 1018.8 ****** 1958 1018.7 1017.9 1012.4 1009.2 1008.3 999.8 996.2 1000.1 1004.3 1012.9 1022.1 1018.9 1010.1 1959 1019.9 1013.8 1012.3 1009.2 1004.7 1000.8 996.1 994.1 999.5 1010.0 1017.3 1023.7 1008.4 1960 1019.3 1015.3 1011.8 1009.5 1006.2 997.0 994.9 996.7 1004.9 1012.7 1017.7 1020.8 1008.9 1961 1019.4 1016.1 1010.6 1009.3 1002.8 999.1 994.5 998.3 1000.2 1012.7 1016.6 1017.1 1008.1 1962 1019.5 1014.0 1009.7 1007.3 1005.1 ****** ****** ****** ****** ****** ****** ****** ****** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 1016.8 1014.7 1013.0 1008.1 1005.3 999.1 996.3 1002.6 1007.6 1011.2 1017.0 1019.3 1009.2 1966 1018.4 1013.7 1011.4 1008.6 1005.5 997.6 996.5 999.9 1005.6 1013.1 1022.5 1018.0 1009.2 1967 1020.4 1014.6 1009.5 1008.6 1005.3 999.4 993.8 998.4 1001.9 1017.4 1015.5 1018.9 1008.7 1968 1016.0 1017.9 1011.6 1010.0 1007.0 997.8 997.2 999.0 1005.7 1012.9 1018.1 1017.4 1009.2 1969 1018.6 1018.0 1010.2 1008.2 ****** ****** ****** ****** ****** ****** ****** ****** ****** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1021.0 ****** 1984 1018.0 1019.8 1010.6 1006.7 1002.4 996.2 996.2 994.6 1005.1 1015.1 1015.0 1021.5 1008.4 1985 1016.5 1009.3 1013.1 1005.2 1003.1 995.6 993.4 1000.5 1003.8 1010.1 1015.5 1016.6 1006.9 1986 1017.4 1013.9 1011.2 1006.4 1003.7 994.2 997.1 1000.3 1007.0 1011.0 1014.1 1016.8 1007.8 1987 1016.4 1014.9 1007.4 1007.6 1004.7 998.9 997.8 997.2 1003.0 1013.4 1016.6 1017.0 1007.9 1988 1017.0 1014.5 1008.5 1007.1 1001.7 996.6 992.4 996.3 1002.6 1011.3 1015.1 1015.4 1006.5 1989 1017.5 1018.9 1009.0 1008.5 1004.4 996.2 995.9 998.7 1002.4 1010.3 1015.2 1015.6 1007.7 1990 1017.4 1012.7 1012.6 1005.2 1000.8 995.9 994.1 996.6 1002.0 1011.1 1015.5 1017.3 1006.8 1991 1017.2 1016.7 1011.4 1007.2 1000.7 996.9 993.9 997.0 1004.7 1012.1 1016.2 1015.5 1007.5 1992 1017.7 1012.5 1012.0 1007.3 1005.9 996.2 995.2 999.3 1005.7 1010.6 1015.0 1016.0 1007.8 1993 1018.9 1015.2 1012.5 1006.4 1003.4 997.1 996.2 999.9 1003.3 1014.6 1015.1 1019.4 1008.5 1994 1017.0 1012.2 1010.7 1008.2 1003.3 993.9 992.0 995.2 1007.6 1013.4 1012.6 1018.8 1007.1 1995 1018.2 1014.4 1012.0 1007.3 1004.9 996.6 990.8 996.5 1003.3 1010.7 1014.2 1020.0 1007.4 1996 1019.6 1013.0 1009.5 1007.6 1004.5 997.3 997.0 998.1 1000.2 1010.1 1017.4 1018.7 1007.7 1997 1014.9 1014.7 1008.4 1006.7 1004.1 996.0 990.8 996.1 1003.1 1009.7 1015.3 1016.2 1006.3 1998 1014.5 1013.8 1009.6 1006.0 1002.8 999.1 993.3 997.9 1002.1 1009.6 1014.5 1017.1 1006.7 1999 1016.9 1013.4 1009.1 1005.8 1001.1 994.8 993.2 997.2 1001.2 1008.9 1013.5 1020.1 1006.3 2000 1014.9 1014.0 1010.1 1004.2 996.9 996.0 996.4 998.0 1001.0 1009.6 1016.6 1016.6 1006.2 2001 1018.4 1013.8 1009.6 1003.6 998.2 994.1 992.9 998.2 1002.9 1009.1 1013.9 1016.9 1006.0 2002 1016.6 1014.4 1010.7 1004.4 1000.2 995.5 995.6 995.5 1003.9 1009.6 1015.4 1016.1 1006.5 2003 1015.9 1009.6 1010.3 1006.0 1004.2 994.5 991.6 997.6 1002.5 1009.2 1015.8 1019.3 1006.4 2004 1013.4 1013.8 1010.5 1005.3 1000.0 995.1 996.2 996.1 1004.3 1012.4 1011.5 1014.8 1006.1 2005 1014.6 1011.8 1006.8 1005.9 1001.1 993.5 991.6 994.6 999.1 1008.3 1013.4 1015.5 1004.7 MEAN 1017.4 1014.5 1010.6 1007.1 1003.3 997.0 994.9 998.3 1003.8 1011.5 1015.9 1018.0 1007.7 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 146 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MAX. OF QFF PRESSURE IN HPA AT 2100 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1008.9 1009.1 1010.7 1013.9 ****** ****** ****** ****** DAY ** ** ** ** ** 8 17 31 30 ** ** ** 1957 ****** ****** ****** ****** ****** 1008.1 1008.1 1023.1 1026.8 1020.9 1033.0 1028.7 ****** DAY ** ** ** ** ** 15 29 23 9 31 24 29 1958 1025.4 1023.3 1018.7 1016.5 1018.9 1006.7 1002.7 1004.4 1011.0 1018.7 1029.1 1025.9 1029.1 DAY 2 13 2 1 13 2 15 25 27 22 23 26 1959 1027.5 1022.1 1021.4 1016.5 1013.5 1007.1 1000.7 998.3 1006.7 1018.1 1022.7 1032.9 1032.9 DAY 3 22 9 8 4 26 7 31 25 20 3 15 1960 1027.5 1026.9 1026.1 1017.3 1016.2 1003.5 1000.3 999.4 1009.4 1020.4 1025.0 1028.1 1028.1 DAY 29 1 20 8 5 14 28 14 24 30 26 5 1961 1030.9 1026.0 1024.9 1018.2 1012.9 1008.8 998.3 1003.5 1008.8 1023.0 1024.6 1026.6 1030.9 DAY 10 22 4 18 1 9 1 24 29 31 25 2 1962 1029.0 1025.1 1022.0 1016.3 1010.9 ****** ****** ****** ****** ****** ****** ****** ****** DAY 19 10 3 19 16 ** ** ** ** ** ** ** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1965 1026.0 1023.2 1022.1 1014.3 1014.4 1006.9 1000.4 1007.2 1010.9 1017.9 1022.7 1026.5 1026.5 DAY 16 1 17 10 21 3 9 9 14 29 25 22 1966 1025.8 1022.7 1022.2 1019.0 1011.9 1008.0 1001.3 1006.0 1010.5 1021.9 1028.6 1026.8 1028.6 DAY 1 25 3 5 12 2 3 17 20 31 25 7 1967 1031.2 1025.1 1022.0 1016.4 1016.0 1008.2 1001.0 1001.8 1006.0 1023.4 1018.9 1025.9 1031.2 DAY 6 20 3 4 2 7 14 26 13 26 30 27 1968 1029.3 1029.4 1024.9 1016.8 1014.7 1007.2 1003.1 1007.0 1011.8 1019.8 1025.0 1025.7 1029.4 DAY 19 6 27 8 1 1 19 28 20 16 24 21 1969 1029.6 1030.7 1016.1 1013.3 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 9 3 24 14 ** ** ** ** ** ** ** ** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1028.3 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 25 1984 1027.6 1028.7 1019.0 1013.7 1007.6 1001.2 999.6 997.6 1011.1 1024.6 1021.3 1028.8 1028.8 DAY 4 20 2 1 2 4 22 18 25 21 26 18 1985 1024.0 1021.1 1028.8 1011.8 1014.3 999.1 997.8 1006.4 1008.8 1016.0 1022.2 1026.3 1028.8 DAY 25 24 11 1 12 1 13 30 29 31 21 31 1986 1029.2 1020.6 1021.6 1011.5 1011.4 1002.4 1000.2 1007.1 1011.7 1017.8 1025.2 1026.9 1029.2 DAY 24 13 27 15 19 1 23 31 23 19 15 7 1987 1025.0 1024.2 1018.3 1014.1 1010.2 1007.0 1004.6 1002.0 1010.2 1021.6 1033.0 1032.9 1033.0 DAY 12 7 22 22 8 1 28 7 30 28 30 1 1988 1028.2 1029.5 1018.4 1020.0 1006.8 1004.7 998.0 1002.2 1009.7 1016.6 1022.9 1027.3 1029.5 DAY 2 7 25 3 2 1 29 26 30 3 25 29 1989 1024.8 1027.7 1018.3 1015.8 1015.3 999.7 999.3 1002.6 1016.2 1018.3 1019.3 1021.4 1027.7 DAY 30 7 31 9 1 2 19 21 23 26 9 18 1990 1029.6 1024.1 1023.8 1012.5 1008.4 1003.8 998.1 1000.5 1008.2 1021.0 1023.1 1032.0 1032.0 DAY 26 8 21 3 16 1 14 14 26 18 22 28 1991 1028.4 1033.8 1021.9 1015.7 1010.0 1003.2 998.5 1001.7 1014.6 1014.9 1022.0 1024.8 1033.8 DAY 12 15 12 15 8 21 1 31 30 27 24 17 1992 1032.1 1025.2 1028.3 1016.2 1012.0 1002.8 999.1 1007.8 1011.4 1015.6 1021.1 1024.9 1032.1 DAY 10 16 12 8 2 11 15 31 1 29 18 11 1993 1027.0 1023.7 1021.3 1013.5 1011.0 1004.3 1001.1 1004.4 1007.5 1021.6 1024.9 1025.6 1027.0 DAY 6 7 23 1 10 23 27 6 23 8 30 7 1994 1024.5 1023.1 1020.4 1023.1 1008.9 1000.2 996.5 998.7 1016.6 1020.2 1017.8 1031.5 1031.5 DAY 18 20 3 5 7 9 13 16 23 9 2 7 1995 1025.4 1019.8 1020.4 1014.7 1012.3 1008.1 996.1 999.6 1008.2 1021.1 1025.9 1025.8 1025.9 DAY 7 14 2 7 26 1 26 10 22 26 27 10 1996 1026.9 1022.1 1015.4 1018.1 1011.8 1000.2 1002.4 1004.5 1007.0 1019.7 1027.7 1026.5 1027.7 DAY 27 23 1 7 3 17 3 31 30 20 15 7 1997 1023.6 1026.3 1020.0 1015.6 1014.5 1002.4 993.7 1001.4 1008.8 1013.5 1021.2 1029.8 1029.8 DAY 19 7 11 14 6 3 9 29 17 17 29 28 1998 1023.1 1025.0 1017.4 1016.1 1012.5 1003.7 999.8 1001.2 1006.7 1015.4 1018.8 1025.8 1025.8 DAY 4 23 11 11 3 6 22 28 18 25 25 9 1999 1028.4 1021.6 1019.0 1013.9 1007.6 1002.3 997.5 1002.5 1011.8 1013.8 1024.1 1025.6 1028.4 DAY 2 1 19 11 12 1 31 19 30 27 30 1 2000 1024.5 1023.5 1017.6 1010.8 1003.6 1002.0 1005.0 1002.6 1006.2 1015.5 1025.2 1025.4 1025.4 DAY 24 10 3 3 5 16 20 20 28 6 17 17 2001 1029.0 1023.8 1020.2 1012.1 1002.7 1001.1 999.7 1004.8 1011.4 1015.8 1022.6 1024.8 1029.0 DAY 29 9 11 4 11 2 31 14 22 10 20 17 2002 1026.4 1025.7 1023.5 1015.3 1006.0 1001.0 1000.9 1000.2 1009.9 1013.6 1023.8 1026.0 1026.4 DAY 27 5 11 1 9 5 30 1 29 26 18 4 2003 1022.5 1020.8 1028.5 1012.3 1015.3 1000.5 994.9 1001.5 1010.8 1013.8 1028.4 1031.9 1031.9 DAY 12 6 2 2 2 7 15 30 27 16 24 13 2004 1020.8 1024.8 1019.8 1013.2 1005.7 1001.9 1001.0 1001.6 1013.4 1017.7 1020.3 1027.4 1027.4 DAY 1 8 23 10 8 1 17 30 30 26 29 3 2005 1024.2 1022.5 1014.9 1016.4 1006.5 999.8 994.9 998.8 1002.6 1014.8 1020.9 1024.9 1024.9 DAY 13 17 27 8 8 5 27 17 24 28 26 29 1956-2005 1032.1 1033.8 1028.8 1023.1 1018.9 1008.9 1009.1 1023.1 1026.8 1024.6 1033.0 1032.9 1033.8 YEAR-DAY 92-10 91-15 85-11 94- 5 58-13 56- 8 56-17 57-23 57- 9 84-21 57-24 59-15 91-15 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 147 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MIN. OF QFF PRESSURE IN HPA AT 2100 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 994.9 987.8 997.7 999.3 ****** ****** ****** ****** DAY ** ** ** ** ** 29 22 4 12 ** ** ** 1957 ****** ****** ****** ****** ****** 998.2 990.7 1002.5 1004.7 1004.5 1009.2 1009.2 ****** DAY ** ** ** ** ** 30 12 14 18 4 18 6 1958 1012.0 1012.1 1009.3 1005.1 1005.0 994.4 985.5 994.9 998.7 1006.3 1011.9 1009.0 985.5 DAY 30 24 30 29 2 20 9 2 3 9 6 9 1959 1007.9 1002.8 1007.5 1002.9 995.6 988.2 990.4 989.4 993.7 1003.6 1007.4 1015.3 988.2 DAY 22 28 17 18 30 28 2 2 6 4 25 12 1960 1010.6 1006.8 1000.5 1002.6 996.5 991.1 987.5 993.4 996.7 1003.6 1005.6 1014.1 987.5 DAY 26 29 13 20 16 30 1 25 2 8 19 2 1961 1011.9 1006.4 1002.4 1001.2 992.0 991.3 990.2 993.5 994.9 996.9 1007.8 1007.4 990.2 DAY 22 17 9 8 30 6 13 1 10 21 23 22 1962 1010.4 1007.1 1000.3 995.6 998.7 ****** ****** ****** ****** ****** ****** ****** ****** DAY 5 19 28 5 10 ** ** ** ** ** ** ** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1965 1007.0 1005.9 1004.5 1001.5 998.6 990.9 992.0 997.2 1002.9 1004.0 1008.1 1011.8 990.9 DAY 10 9 23 21 29 24 11 1 22 25 9 20 1966 1011.9 1004.9 999.7 1000.3 998.1 983.8 992.8 993.2 1000.4 1003.8 1018.2 1007.3 983.8 DAY 27 14 19 23 26 26 18 5 9 1 18 12 1967 1008.7 1007.1 995.7 999.5 997.1 992.7 986.9 994.1 997.8 1009.2 1011.1 1005.2 986.9 DAY 20 12 23 26 18 5 9 5 7 13 16 23 1968 1005.4 1007.6 1002.4 999.9 1001.8 991.0 990.5 992.8 999.1 1004.9 1010.1 1008.5 990.5 DAY 22 2 22 24 16 23 12 14 7 5 18 2 1969 1004.2 1010.1 1001.5 1001.4 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 24 14 23 17 ** ** ** ** ** ** ** ** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1010.4 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 27 1984 1006.3 1006.3 998.8 1000.9 993.9 991.7 992.0 991.4 997.4 1005.4 1007.2 1008.8 991.4 DAY 29 8 14 25 29 7 15 8 1 18 15 14 1985 1007.8 996.2 1001.9 997.0 994.7 990.5 991.0 995.4 996.2 1002.6 1009.0 1005.0 990.5 DAY 17 16 24 24 21 18 27 6 7 11 7 19 1986 1003.1 1005.2 1000.8 999.7 996.8 987.1 991.8 994.0 1003.6 1006.5 1004.5 1003.7 987.1 DAY 19 10 8 18 10 20 19 4 5 8 7 20 1987 1006.2 1003.5 999.0 999.0 1000.0 992.5 988.7 991.6 997.3 1002.2 1005.4 1004.0 988.7 DAY 2 10 19 19 23 11 3 29 2 8 7 13 1988 1005.2 1004.9 998.0 999.0 996.1 988.0 987.9 992.6 996.0 1005.1 1008.4 1006.7 987.9 DAY 26 3 23 23 24 23 8 6 1 7 28 26 1989 1006.0 1006.8 997.5 1000.2 995.2 988.6 992.8 993.6 995.7 1002.5 1010.9 1008.7 988.6 DAY 17 22 28 29 31 7 6 1 12 1 19 5 1990 1008.7 1002.0 1004.4 995.9 994.1 990.4 987.6 992.8 995.5 1003.1 1008.1 1004.5 987.6 DAY 1 15 24 15 12 30 4 8 3 2 1 25 1991 1003.7 1007.0 1003.3 999.4 994.0 990.5 988.2 992.9 998.4 1007.3 1008.0 1008.3 988.2 DAY 25 28 6 10 18 12 14 12 3 4 4 1 1992 1007.8 1004.7 1000.5 997.1 1000.2 986.5 991.6 992.9 1000.8 1004.8 1007.0 1008.9 986.5 DAY 2 11 30 18 20 27 23 2 18 6 25 19 1993 1006.2 1005.9 1000.5 1000.2 996.3 992.1 990.8 993.4 998.7 1002.8 1007.4 1009.7 990.8 DAY 8 4 21 12 29 20 9 12 4 3 13 4 1994 1005.6 1003.2 1003.2 1000.7 998.9 985.9 988.1 988.4 995.9 1005.7 1004.1 1004.0 985.9 DAY 5 12 12 2 1 29 19 3 1 2 25 4 1995 1011.1 1004.6 999.4 1002.0 998.2 989.4 984.7 992.1 1000.0 1003.3 1004.6 1012.0 984.7 DAY 25 23 26 15 14 17 16 2 19 6 25 4 1996 1012.4 1005.4 1003.5 1000.6 997.1 990.8 993.9 993.1 992.1 1001.8 1008.8 1012.8 990.8 DAY 6 5 26 25 29 5 11 13 19 6 28 15 1997 1002.1 1004.2 1001.4 999.7 998.1 989.5 986.5 992.9 997.1 1005.5 1007.8 1004.2 986.5 DAY 17 27 29 10 24 19 16 19 2 4 12 10 1998 1006.2 1001.0 1001.1 999.6 994.2 992.3 983.4 994.0 995.0 1000.4 1007.8 1007.7 983.4 DAY 6 15 1 20 30 27 8 2 6 2 1 18 1999 1003.9 1004.0 1000.3 1000.0 991.4 986.1 988.5 992.5 996.9 1004.6 1005.2 1011.0 986.1 DAY 18 20 2 14 20 23 2 6 16 24 1 15 2000 1004.6 1003.5 1001.7 999.8 991.6 989.5 988.7 992.5 992.0 1002.7 1005.7 1007.6 988.7 DAY 20 7 13 22 27 26 9 3 2 2 6 26 2001 1009.4 1003.0 998.7 996.6 991.3 988.0 986.1 992.0 995.2 1003.9 1005.4 1006.8 986.1 DAY 19 20 25 29 25 10 11 27 5 2 17 5 2002 1009.3 1006.2 1002.3 994.5 995.0 985.4 988.7 989.5 1000.2 1006.9 1007.2 1004.4 985.4 DAY 12 25 21 3 20 20 25 17 5 12 6 21 2003 1003.1 1002.7 1001.2 999.9 994.4 985.3 987.2 991.2 996.0 1001.3 1004.7 1010.1 985.3 DAY 28 15 13 28 23 30 26 1 12 5 14 6 2004 1003.6 1004.0 998.0 993.7 992.9 986.6 991.6 990.3 997.6 1006.9 1003.2 1004.5 986.6 DAY 14 15 31 17 14 17 10 15 11 3 23 16 2005 1003.5 1004.4 998.3 994.8 993.5 981.7 983.9 989.2 994.7 1000.2 1004.0 1006.4 981.7 DAY 23 5 24 29 6 27 4 7 5 4 8 24 1956-2005 1002.1 996.2 995.7 993.7 991.3 981.7 983.4 988.4 992.0 996.9 1003.2 1003.7 981.7 YEAR-DAY 97-17 85-16 67-23 4-17 1-25 5-27 98- 8 94- 3 0- 2 61-21 4-23 86-20 5-27 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 148 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M AVERAGE OF COMPUTED QFF PRESSURE IN HPA AT 2100 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 995.2 994.6 1001.3 1003.2 ****** ****** ****** ****** 1957 ****** ****** ****** ****** ****** 999.8 997.6 1009.6 1013.7 1011.9 1016.6 1017.7 ****** 1958 1017.2 1016.7 1011.2 1008.0 1007.0 998.5 994.9 998.9 1003.2 1011.8 1020.9 1017.8 1008.8 1959 1018.6 1012.8 1011.3 1008.0 1003.4 999.2 994.9 992.8 998.6 1008.9 1016.2 1022.6 1007.3 1960 1018.3 1014.1 1011.1 1008.0 1005.0 996.0 994.0 995.8 1004.1 1011.8 1016.8 1020.0 1007.9 1961 1018.6 1015.4 1009.9 1008.7 1002.0 998.3 993.6 997.7 999.4 1012.2 1015.9 1016.5 1007.3 1962 1018.7 1013.4 1009.2 1006.5 1004.4 ****** ****** ****** ****** ****** ****** ****** ****** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1965 1015.5 1013.6 1011.9 1006.9 1003.8 997.5 994.6 1000.9 1006.4 1010.0 1016.1 1018.9 1008.0 1966 1018.2 1013.3 1010.9 1008.0 1004.8 997.0 995.8 999.2 1004.9 1012.4 1022.1 1017.7 1008.7 1967 1020.0 1014.2 1009.0 1008.0 1004.6 998.7 992.9 997.6 1001.2 1016.6 1014.9 1018.5 1008.0 1968 1015.5 1017.4 1011.1 1009.3 1006.2 997.0 996.4 998.2 1005.1 1012.4 1017.4 1016.9 1008.6 1969 1018.2 1017.5 1009.7 1007.8 ****** ****** ****** ****** ****** ****** ****** ****** ****** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1020.0 ****** 1984 1017.0 1018.9 1010.0 1005.8 1001.5 995.3 995.3 993.3 1004.2 1014.3 1014.2 1020.4 1007.5 1985 1015.6 1008.7 1012.3 1004.4 1002.0 994.6 992.1 999.6 1003.1 1009.3 1014.8 1016.0 1006.0 1986 1016.6 1013.1 1010.6 1005.5 1002.6 993.2 996.3 999.4 1006.1 1010.2 1013.2 1015.8 1006.9 1987 1015.6 1014.2 1006.6 1006.7 1003.4 997.9 996.6 996.2 1001.9 1012.6 1015.8 1016.5 1007.0 1988 1016.1 1013.6 1007.7 1006.3 1000.6 995.5 991.3 995.4 1001.5 1010.4 1014.4 1014.7 1005.6 1989 1016.8 1017.9 1008.4 1007.8 1003.6 995.5 995.0 997.9 1001.5 1009.5 1014.4 1014.5 1006.9 1990 1016.3 1011.8 1011.9 1004.5 999.8 995.1 993.2 995.6 1001.2 1010.3 1014.9 1016.4 1005.9 1991 1016.2 1015.7 1010.4 1006.5 999.9 996.0 993.0 996.0 1003.8 1011.3 1015.5 1014.6 1006.6 1992 1016.6 1011.7 1011.3 1006.4 1004.9 995.1 994.3 998.4 1004.8 1009.9 1014.4 1015.0 1006.9 1993 1017.8 1014.4 1012.0 1005.6 1002.4 996.1 995.4 999.1 1002.5 1013.9 1014.4 1018.5 1007.7 1994 1016.2 1011.4 1010.1 1007.3 1002.4 992.9 991.0 994.0 1006.8 1012.4 1011.7 1017.9 1006.2 1995 1017.1 1013.7 1011.2 1006.5 1004.0 995.7 989.7 995.7 1002.5 1010.0 1013.5 1018.9 1006.5 1996 1018.5 1012.3 1008.7 1006.8 1003.5 996.3 996.3 998.1 1000.1 1010.0 1017.5 1018.6 1007.2 1997 1014.8 1014.6 1008.4 1006.5 1003.9 996.1 990.9 996.1 1002.9 1009.7 1015.2 1015.9 1006.3 1998 1014.3 1013.6 1009.4 1005.8 1002.7 999.1 993.4 997.7 1002.0 1009.5 1014.4 1016.9 1006.6 1999 1016.9 1013.1 1008.9 1005.6 1001.0 994.4 993.2 997.2 1000.9 1008.5 1013.3 1019.8 1006.1 2000 1014.7 1013.7 1009.9 1004.0 996.7 995.9 996.3 997.9 1000.7 1009.3 1016.2 1016.1 1006.0 2001 1018.1 1013.5 1009.3 1003.3 997.8 993.6 992.6 997.8 1002.5 1008.7 1013.6 1016.5 1005.6 2002 1016.1 1013.9 1010.4 1004.0 999.9 995.3 995.5 995.2 1003.6 1009.3 1015.3 1015.9 1006.2 2003 1015.8 1009.6 1010.1 1006.0 1004.1 994.4 991.5 997.5 1002.4 1009.1 1015.8 1019.4 1006.3 2004 1013.4 1013.6 1010.2 1005.1 1000.0 995.3 996.1 996.1 1004.3 1012.4 1026.1 1029.9 1008.5 2005 1029.6 1026.8 1021.4 1020.1 1015.1 1007.2 1005.2 1008.3 1013.0 1022.4 1028.1 1030.4 1019.0 MEAN 1017.1 1014.3 1010.5 1006.9 1003.0 996.5 994.5 997.9 1003.5 1011.3 1016.2 1018.3 1007.5 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 149 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MAX. OF COMPUTED QFF PRESSURE IN HPA AT 2100 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 1001.2 1000.4 1008.9 1012.0 ****** ****** ****** ****** DAY ** ** ** ** ** 8 17 30 30 ** ** ** 1957 ****** ****** ****** ****** ****** 1002.8 1005.8 1016.6 1021.8 1019.4 1031.5 1027.5 ****** DAY ** ** ** ** ** 17 29 31 9 20 24 29 1958 1024.5 1021.9 1017.0 1015.2 1017.6 1005.2 1001.8 1002.7 1010.2 1017.5 1027.4 1024.3 1027.4 DAY 2 13 1 1 13 2 15 26 29 22 23 26 1959 1027.4 1021.3 1020.1 1015.3 1012.6 1003.5 999.9 998.2 1005.3 1016.9 1021.9 1033.5 1033.5 DAY 3 22 9 8 4 3 7 31 25 20 21 15 1960 1026.2 1025.2 1024.6 1016.1 1014.7 1002.4 999.4 998.3 1008.8 1019.8 1024.8 1027.8 1027.8 DAY 28 1 20 8 5 14 29 18 12 30 26 5 1961 1029.9 1025.8 1024.5 1017.6 1011.6 1008.6 997.4 1002.5 1007.9 1022.7 1024.0 1025.5 1029.9 DAY 10 22 4 18 1 10 2 24 29 31 25 3 1962 1027.9 1024.1 1021.3 1014.8 1009.8 ****** ****** ****** ****** ****** ****** ****** ****** DAY 18 11 3 19 16 ** ** ** ** ** ** ** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1965 1024.8 1021.9 1021.0 1013.1 1013.1 1005.3 998.8 1005.4 1009.9 1016.7 1021.6 1026.1 1026.1 DAY 16 1 17 10 21 3 9 9 26 29 25 22 1966 1025.3 1022.1 1021.9 1018.5 1011.6 1006.1 1000.6 1005.5 1008.5 1021.2 1028.2 1026.6 1028.2 DAY 1 25 3 5 12 2 3 17 20 31 25 7 1967 1030.7 1024.4 1021.6 1016.2 1015.4 1007.6 1000.0 1001.0 1005.1 1022.8 1018.7 1026.2 1030.7 DAY 6 20 3 4 2 7 14 26 13 26 30 27 1968 1028.8 1029.0 1024.6 1016.3 1013.9 1006.6 1002.4 1006.4 1011.3 1019.1 1024.4 1025.2 1029.0 DAY 19 6 27 8 1 1 19 28 20 30 24 21 1969 1029.4 1030.2 1015.9 1013.1 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 9 3 25 14 ** ** ** ** ** ** ** ** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1027.1 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 25 1984 1026.7 1027.8 1018.2 1012.7 1006.9 1000.3 998.4 995.7 1010.2 1023.9 1020.6 1027.6 1027.8 DAY 4 20 3 1 2 4 22 27 25 21 26 18 1985 1022.3 1018.7 1026.4 1010.9 1011.3 998.4 996.2 1005.6 1007.9 1015.1 1021.4 1025.0 1026.4 DAY 25 24 5 1 12 1 15 30 29 31 21 31 1986 1028.1 1019.7 1020.8 1010.5 1010.6 1001.1 999.2 1005.9 1010.1 1017.2 1024.0 1025.6 1028.1 DAY 24 22 27 15 19 2 23 31 22 19 15 7 1987 1023.9 1023.2 1017.4 1013.1 1009.4 1005.7 1002.4 1000.6 1009.5 1021.0 1031.8 1031.6 1031.8 DAY 12 7 22 22 8 1 28 7 26 16 30 1 1988 1027.3 1028.3 1017.4 1019.6 1006.0 1003.5 996.9 1001.2 1009.0 1015.9 1021.5 1029.9 1029.9 DAY 2 7 25 3 2 1 29 26 30 24 25 29 1989 1026.7 1026.6 1017.5 1015.1 1014.8 998.9 998.2 1001.4 1015.2 1017.6 1018.7 1020.5 1026.7 DAY 30 7 31 9 1 2 19 31 23 26 28 18 1990 1028.3 1022.9 1022.7 1011.4 1006.4 1003.0 996.9 999.6 1007.2 1020.2 1022.4 1030.9 1030.9 DAY 26 8 21 3 16 1 15 14 26 18 22 28 1991 1027.3 1032.3 1021.0 1015.5 1008.9 1002.4 997.9 1000.9 1013.6 1014.0 1021.2 1023.5 1032.3 DAY 12 15 12 14 8 25 1 31 30 27 24 17 1992 1030.6 1024.2 1027.1 1014.9 1011.0 1001.6 998.2 1007.0 1010.6 1014.7 1020.4 1023.8 1030.6 DAY 10 16 12 8 2 11 15 31 1 29 18 11 1993 1025.6 1022.5 1020.4 1012.9 1010.3 1003.4 1000.3 1003.4 1006.6 1021.1 1023.9 1024.5 1025.6 DAY 6 7 23 1 10 23 27 6 23 8 30 7 1994 1023.5 1022.0 1019.5 1022.5 1007.7 999.8 995.8 997.5 1015.9 1021.0 1017.0 1030.4 1030.4 DAY 18 20 3 5 7 9 13 24 23 9 2 7 1995 1023.5 1018.9 1019.6 1013.5 1011.3 1007.1 995.5 998.9 1007.6 1020.2 1024.9 1024.5 1024.9 DAY 7 14 2 7 26 1 26 10 22 26 27 10 1996 1025.7 1021.0 1015.4 1017.5 1011.1 1000.2 1001.7 1004.6 1006.9 1019.3 1030.4 1026.4 1030.4 DAY 27 23 1 7 3 17 3 31 25 20 18 7 1997 1023.7 1026.2 1019.6 1015.3 1014.4 1002.7 993.7 1001.6 1008.9 1013.5 1021.3 1029.8 1029.8 DAY 19 7 11 13 6 3 9 30 17 17 29 28 1998 1022.8 1025.0 1017.4 1016.1 1011.5 1003.7 999.8 1001.3 1006.6 1015.4 1018.8 1025.6 1025.6 DAY 4 23 11 11 7 6 22 31 18 25 25 9 1999 1028.4 1020.9 1018.9 1013.7 1007.4 1002.2 997.5 1002.8 1011.2 1013.5 1024.1 1025.6 1028.4 DAY 2 1 19 11 12 1 31 18 29 27 30 1 2000 1024.0 1023.5 1017.7 1011.2 1003.3 1001.9 1005.3 1003.8 1006.0 1014.5 1025.1 1025.2 1025.2 DAY 24 10 3 3 5 16 20 13 28 5 17 17 2001 1028.9 1023.4 1020.2 1011.7 1002.3 1000.5 999.8 1004.7 1010.7 1015.3 1022.3 1024.2 1028.9 DAY 29 9 11 4 11 2 31 14 22 10 20 17 2002 1025.3 1025.4 1023.5 1015.3 1006.1 1000.6 1000.8 999.6 1009.4 1013.1 1023.7 1026.5 1026.5 DAY 26 5 11 1 9 5 30 1 30 26 18 4 2003 1021.8 1020.8 1028.5 1012.3 1015.3 1000.4 994.8 1001.2 1010.8 1013.8 1028.3 1031.9 1031.9 DAY 12 6 2 2 2 7 5 30 27 16 24 13 2004 1021.0 1024.8 1019.8 1012.3 1005.7 1001.9 1000.8 1001.5 1013.1 1017.6 1035.6 1042.7 1042.7 DAY 1 8 23 10 8 1 17 30 30 26 29 3 2005 1039.4 1038.1 1029.4 1031.4 1021.0 1013.6 1008.7 1012.7 1016.7 1029.4 1036.1 1040.4 1040.4 DAY 13 17 27 8 8 5 27 17 24 26 26 29 1956-2005 1039.4 1038.1 1029.4 1031.4 1021.0 1013.6 1008.7 1016.6 1021.8 1029.4 1036.1 1042.7 1042.7 YEAR-DAY 5-13 5-17 5-27 5- 8 5- 8 5- 5 5-27 57-31 57- 9 5-26 5-26 4- 3 4- 3 =============================================================================================== TEHRAN 2006,MAY M.(S & A) STATION BAM (40854) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) FORM 150 LATITUDE 29 6 N LONGITUDE 58 21 E DATA PROCESSING CENTER ELEVATION 1066.9 M MIN. OF COMPUTED QFF PRESSURE IN HPA AT 2100 UTC. YEAR JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL 1956 ****** ****** ****** ****** ****** 987.7 989.1 996.0 997.5 ****** ****** ****** ****** DAY ** ** ** ** ** 2 11 4 12 ** ** ** 1957 ****** ****** ****** ****** ****** 996.1 988.0 1000.8 1003.7 1003.3 1007.7 1008.4 ****** DAY ** ** ** ** ** 29 13 14 18 4 18 6 1958 1010.9 1010.8 1007.7 1004.1 1003.9 993.3 984.0 993.8 997.6 1005.6 1011.0 1008.1 984.0 DAY 30 24 24 30 1 29 9 2 4 9 6 9 1959 1006.4 1002.1 1006.2 1001.4 994.8 988.0 989.0 987.7 993.0 1002.0 1006.4 1014.1 987.7 DAY 22 28 31 18 30 28 2 3 6 4 25 12 1960 1011.2 1005.9 1001.4 991.9 995.3 990.2 986.9 992.3 995.2 1002.0 1004.3 1013.8 986.9 DAY 27 29 7 28 16 30 1 25 2 8 19 2 1961 1008.5 1005.7 1002.4 1000.3 991.4 986.9 989.2 992.3 994.0 1003.2 1007.6 1006.5 986.9 DAY 21 17 9 8 28 6 13 4 10 2 23 22 1962 1010.3 1006.5 999.0 995.6 998.0 ****** ****** ****** ****** ****** ****** ****** ****** DAY 8 18 28 5 10 ** ** ** ** ** ** ** 1963 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1964 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1965 1004.9 1004.8 1003.1 1000.3 997.1 989.3 989.9 995.5 1001.7 1003.0 1007.2 1011.6 989.3 DAY 10 9 23 21 29 24 11 1 22 25 9 20 1966 1011.4 1004.6 998.8 999.9 997.3 988.1 991.9 992.5 1000.4 1002.8 1017.8 1007.0 988.1 DAY 27 14 20 23 26 26 18 5 1 1 18 12 1967 1008.2 1006.7 995.5 999.2 996.4 991.9 985.7 993.1 996.8 1008.4 1010.7 1005.2 985.7 DAY 20 12 23 26 18 5 9 1 7 13 16 23 1968 1005.1 1007.2 999.5 999.2 1001.1 990.4 989.6 991.8 998.4 1004.5 1009.4 1008.0 989.6 DAY 22 2 18 24 16 23 12 14 7 10 18 2 1969 1003.7 1009.9 1001.7 1000.9 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY 24 14 23 17 ** ** ** ** ** ** ** ** 1970 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1971 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1972 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1973 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1974 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1975 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1976 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1977 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1978 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1979 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1980 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1981 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1982 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** 1983 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1009.6 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 27 1984 1005.9 1005.8 1000.1 1000.0 993.0 990.6 992.5 990.4 996.5 1004.4 1006.5 1008.1 990.4 DAY 29 8 12 25 29 7 16 8 1 18 15 14 1985 1007.5 996.9 1000.1 996.2 995.0 989.8 989.3 994.7 995.2 1001.8 1008.5 1006.9 989.3 DAY 16 16 24 24 21 18 27 6 7 11 7 5 1986 1002.6 1004.7 1000.4 998.8 995.9 985.9 992.0 993.6 1001.3 1005.6 1003.9 1002.2 985.9 DAY 19 10 8 18 10 20 18 4 29 8 7 20 1987 1005.7 1003.0 998.5 997.9 998.7 991.7 988.0 990.4 996.1 1001.3 1004.8 1004.3 988.0 DAY 2 10 19 19 23 11 3 29 2 8 7 13 1988 1005.2 1004.1 997.3 998.7 994.9 986.8 986.6 991.6 994.7 1004.1 1007.9 1006.1 986.6 DAY 26 3 23 23 24 23 8 6 1 10 28 26 1989 1005.8 1006.1 996.8 999.3 994.4 987.9 991.5 992.5 995.2 1001.2 1010.0 1008.0 987.9 DAY 4 22 28 29 31 7 6 1 12 1 18 5 1990 1008.1 1001.0 1003.8 995.3 993.2 989.1 986.1 991.4 994.7 1002.1 1007.4 1002.7 986.1 DAY 1 15 24 15 12 30 4 8 3 2 1 25 1991 1002.9 1006.0 1002.6 998.6 992.8 989.7 987.1 991.6 997.4 1006.7 1007.4 1007.6 987.1 DAY 25 28 6 10 18 12 14 12 3 4 5 1 1992 1006.8 1004.4 1000.0 996.5 999.4 985.5 990.8 992.0 999.8 1003.7 1006.4 1008.4 985.5 DAY 2 11 30 18 20 27 23 2 18 6 25 19 1993 1005.4 1005.2 999.8 998.4 996.1 990.8 990.0 992.7 997.8 1001.8 1006.4 1009.1 990.0 DAY 8 4 21 12 29 20 9 12 4 3 13 4 1994 1005.0 1002.7 1002.4 999.8 998.4 985.9 986.8 987.1 996.1 1004.4 1003.6 1001.8 985.9 DAY 16 12 12 30 1 29 19 3 1 2 25 4 1995 1010.3 1004.1 998.7 1001.1 997.5 988.6 983.5 991.3 998.8 1002.5 1004.2 1011.5 983.5 DAY 25 23 26 15 14 30 16 2 26 6 25 4 1996 1010.0 1005.0 1002.8 999.6 996.2 990.1 993.0 993.2 992.1 1002.0 1008.7 1012.4 990.1 DAY 6 5 19 25 29 5 11 13 19 6 9 29 1997 1002.2 1004.5 999.5 999.7 998.4 989.7 986.9 993.0 996.4 1005.3 1007.3 1004.6 986.9 DAY 17 27 29 10 4 19 16 19 2 23 12 10 1998 1005.8 1000.7 1000.8 999.6 994.3 992.9 983.8 993.7 995.4 999.9 1007.9 1007.5 983.8 DAY 13 15 1 20 30 29 8 22 6 2 1 18 1999 1004.1 1003.8 1000.4 999.9 991.3 986.2 988.1 992.5 995.7 1004.8 1005.2 1010.6 986.2 DAY 18 20 2 14 20 23 2 6 16 24 1 15 2000 1004.8 1002.8 1000.9 999.9 991.7 989.1 988.5 992.3 990.6 1002.1 1006.8 1007.1 988.5 DAY 21 7 13 22 27 26 9 3 2 2 5 26 2001 1009.2 1002.8 998.3 996.7 989.0 987.1 986.3 991.2 994.8 1003.4 1005.6 1006.4 986.3 DAY 19 20 25 29 25 10 12 27 1 2 17 5 2002 1008.7 1005.7 1002.4 994.2 994.6 985.6 989.0 990.0 1000.1 1006.7 1006.8 1004.5 985.6 DAY 12 25 21 3 20 20 25 17 5 14 13 21 2003 1003.1 1002.3 1001.2 999.9 994.4 985.2 987.2 991.2 995.9 1001.3 1004.7 1010.0 985.2 DAY 28 15 13 28 23 30 26 1 12 5 14 6 2004 1003.6 1003.9 998.1 993.6 992.8 987.1 991.6 990.3 997.6 1007.4 1017.5 1018.9 987.1 DAY 14 15 31 17 13 17 10 15 11 4 23 16 2005 1018.3 1019.1 1012.6 1008.2 1007.5 995.0 997.3 1002.6 1008.4 1014.2 1018.4 1021.1 995.0 DAY 23 5 24 29 6 27 4 7 5 4 8 25 1956-2005 1002.2 996.9 995.5 991.9 989.0 985.2 983.5 987.1 990.6 999.9 1003.6 1001.8 983.5 YEAR-DAY 97-17 85-16 67-23 60-28 1-25 3-30 95-16 94- 3 0- 2 98- 2 94-25 94- 4 95-16 =============================================================================================== TEHRAN 2006,MAY M.(S & A)