STATION JAZIREH ABOMOOSA (40890) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 25 50 N LONGITUDE 54 50 E DATA PROCESSING CENTER ELEVATION 6.6 M MEANS AND EXTREMES FOR THE YEAR 1984 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) ***** 21.1 23.6 27.6 29.2 30.5 33.6 32.9 32.3 29.4 26.7 22.6 ***** MINIMUN AIR TEMPERATURE (C) 16.6 17.0 19.8 23.2 26.1 27.4 29.4 29.5 27.8 24.3 21.2 19.5 23.5 DAYS WITH MINIMUM TEMP. >=21 0 0 12 27 31 30 31 31 30 28 18 8 246 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) 13.8 13.0 13.8 20.0 21.0 23.8 26.4 26.8 24.0 19.0 18.0 16.2 13.0 DAY 25 3 4 8 4 4 3 13 27 27 22 4 MAXIMUM AIR TEMPERATURE (C) 22.7 23.8 26.4 30.9 33.1 32.9 35.9 34.9 35.0 32.0 30.2 26.5 30.4 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 18 29 30 31 31 30 31 22 3 225 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 29.6 35.2 37.2 38.4 38.2 37.2 37.2 34.0 32.0 30.0 38.4 DAY 28 14 27 9 10 13 25 1 3 5 8 1 DIF. BETWEEN (MAX.-MIN.) (C) 6.1 6.8 6.6 7.7 7.0 5.5 6.5 5.4 7.2 7.7 9.0 7.0 6.9 MEAN DAILY TEMP. (MDT) (C) 19.6 20.4 23.1 27.0 29.6 30.2 32.6 32.2 31.4 28.2 25.7 23.0 26.9 COOLING DEG. DAYS(BASE 21 0C) 0.3 7.6 69.2 181.2 266.8 275.7 360.6 347.9 312.2 222.2 140.6 63.8 2248.3 HEATING DEG. DAYS(BASE 18 0C) 0.0 0.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.6 DEWPOINT (MEAN C) ***** 14.4 18.8 21.2 23.0 25.9 28.7 27.9 ***** ***** 18.4 13.9 ***** MIXING RATIO (G/KG) ****** 10.44 13.77 16.10 18.13 21.65 25.74 24.44 ****** ****** 13.38 10.27 ****** VAPOUR PRESSURE (HPA) ****** 16.77 21.90 25.43 28.43 33.53 39.60 37.72 ****** ****** 21.38 16.49 ****** SATURATION DEF. (HPA) ****** 8.52 7.46 11.80 12.44 10.37 12.77 12.54 ****** ****** 13.98 11.18 ****** RELATIVE HUMIDITY (MEAN %) *** 67 75 70 71 77 77 76 *** *** 62 60 *** RELATIVE HUMIDITY (MAX. %) 73 81 89 86 84 90 93 91 92 82 78 70 84 RELATIVE HUMIDITY (MIN. %) 50 56 64 57 58 68 66 65 61 52 50 52 58 RELATIVE HUMIDITY (MEAN% 03UTC) 72 80 88 85 82 89 93 91 91 82 77 68 83 RELATIVE HUMIDITY (MEAN% 09UTC) 52 61 69 63 64 73 71 70 65 55 55 56 63 RELATIVE HUMIDITY (MEAN% 15UTC) 58 66 75 67 70 76 75 74 67 58 61 58 67 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 0.0 0.0 8.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 33.0 41.6 DAYS WITH PRECIPITATION >=10 0 0 0 0 0 0 0 0 0 0 0 1 1 DAYS WITH PRECIPITATION >= 5 0 0 1 0 0 0 0 0 0 0 0 3 4 DAYS WITH PRECIPITATION >= 1 0 0 1 0 0 0 0 0 0 0 0 5 6 DAYS WITH PRECIPITATION 0 2 3 0 0 0 0 0 0 0 0 5 10 GREATEST DAILY PRECIPITATION 0.0 0.0 8.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 13.0 13.0 DAY ** ** 19 ** ** ** ** ** ** ** ** 11 DAY WITH THUNDER STORM 0 0 1 0 0 0 0 0 0 0 0 1 2 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 2 4 3 6 13 7 6 1 3 7 5 12 69 WIND DIRECTION (PREVAILING) *** 45 45 270 225 225 225 225 225 225 270 45 *** PREVAILING WIND SPEED(KNOTS) **** 12.3 11.2 11.5 10.7 8.0 6.8 7.1 8.7 6.0 11.1 13.8 **** PREVAILING WIND PERCENT ***** 31.0 31.0 21.3 29.1 41.7 20.6 32.3 26.8 19.4 22.7 33.5 ***** CALMS PERCENT OF WIND ***** 18.6 16.8 10.7 8.8 16.7 16.1 23.9 19.5 23.2 38.7 17.4 ***** NO. OF WIND OBSERVATION 95 145 155 150 182 156 155 155 149 155 150 155 1802 VECTOR WIND DIRECTION (MEAN) *** 42 42 276 252 243 290 246 236 314 264 6 *** VECTOR WIND MAGNITUDE(KNOTS) **** 3.0 3.4 0.5 5.0 5.6 2.3 3.7 2.5 1.3 3.5 4.4 **** WIND STEADINESES (MEAN %) ***** 34.5 41.0 5.5 50.0 81.2 35.9 64.9 39.7 19.7 59.3 44.9 ***** WIND SPEED (MEAN KNOTS) **** 8.7 8.3 9.1 10.0 6.9 6.4 5.7 6.3 6.6 5.9 9.8 **** FASTEST WIND DIRECTION *** 60 90 90 280 270 330 250 270 70 270 280 *** FASTEST WIND SPEED (KNOTS) *** 31 29 27 23 19 27 14 19 19 29 25 *** DAY ** 26 19 18 25 1 24 11 8 9 20 15 DAYS WITH SKY CLEAR (0-2)/8 13 23 15 24 21 29 28 27 30 29 19 11 269 DAYS WITH P.CLOUDY (3-6)/8 6 5 9 6 9 1 3 4 0 2 11 15 71 DAYS WITH CLOUDY (7-8)/8 0 1 7 0 1 0 0 0 0 0 0 5 14 DAYS WITH VISIBILITY =< 2 KM 1 0 1 1 2 14 7 14 15 10 0 3 68 DURATION OF SUNSHINE HOURS 146.5 231.3 195.4 288.9 132.8 ****** 289.2 263.3 273.1 271.8 253.6 195.9 ****** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION JAZIREH ABOMOOSA (40890) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 25 50 N LONGITUDE 54 50 E DATA PROCESSING CENTER ELEVATION 6.6 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 ****** 1017.0 1012.2 1008.3 1004.6 997.5 996.5 997.9 ****** ****** 1015.8 1016.7 ****** MAX. QFE PRESSURE IN HPA ****** 1023.5 1021.3 1012.3 1009.7 1004.2 1001.1 1002.5 ****** ****** 1023.2 1021.3 ****** DAY-HOUR **-** 21- 6 1- 6 14- 6 1- 6 4- 9 26- 6 24- 6 **-** **-** 26- 6 17- 6 MIN. QFE PRESSURE IN HPA ****** 1011.5 1003.8 1003.3 997.1 992.6 990.7 993.9 ****** ****** 1011.3 1012.5 ****** DAY-HOUR **-** 16-12 15-12 25-15 28-15 16-15 20-15 7-15 **-** **-** 8-15 7-12 MEAN QNH PRESSURE IN HPA ****** 1017.5 1012.7 1008.8 1005.1 997.9 997.0 998.4 ****** ****** 1016.3 1017.2 ****** MAX. QNH PRESSURE IN HPA ****** 1024.0 1021.8 1012.8 1010.2 1004.7 1001.6 1003.0 ****** ****** 1023.7 1021.8 ****** DAY-HOUR **-** 21- 6 1- 6 14- 6 1- 6 4- 9 26- 6 24- 6 **-** **-** 26- 6 17- 6 MIN. QNH PRESSURE IN HPA ****** 1012.0 1004.3 1003.8 997.6 993.1 991.2 994.4 ****** ****** 1011.8 1013.0 ****** DAY-HOUR **-** 16-12 15-12 25-15 28-15 16-15 20-15 7-15 **-** **-** 8-15 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 1015.2 1016.8 1012.1 1008.0 1004.3 997.4 996.6 998.1 1002.2 1013.8 1015.6 1016.4 1008.0 MAX. QFE PRESSURE IN HPA 1019.2 1021.5 1019.4 1011.1 1007.7 1002.8 999.4 1001.0 1006.7 1015.7 1021.2 1019.4 1021.5 DAY 13 21 2 29 1 1 31 24 13 22 26 24 MIN. QFE PRESSURE IN HPA 1012.1 1012.2 1004.4 1004.6 997.8 994.0 992.3 994.7 995.1 1009.5 1012.5 1013.1 992.3 DAY 19 17 15 8 29 16 20 6 1 18 15 10 MEAN QNH PRESSURE IN HPA 1015.7 1017.3 1012.6 1008.5 1004.8 997.9 997.0 998.6 1002.7 1014.3 1016.1 1016.9 1008.5 MAX. QNH PRESSURE IN HPA 1019.7 1022.0 1019.9 1011.6 1008.2 1003.3 999.9 1001.5 1007.2 1016.2 1021.7 1019.9 1022.0 DAY 13 21 2 29 1 1 31 24 13 22 26 24 MIN. QNH PRESSURE IN HPA 1012.6 1012.7 1004.9 1005.1 998.3 994.5 992.8 995.2 995.6 1010.0 1013.0 1013.6 992.8 DAY 19 17 15 8 29 16 20 6 1 18 15 10 MEAN QFF PRESSURE IN HPA 1015.7 1017.6 1012.8 1008.7 1005.1 998.1 997.3 998.8 1002.9 1014.5 1016.4 1017.2 1008.8 MAX. QFF PRESSURE IN HPA 1018.6 1022.3 1020.2 1011.8 1008.4 1003.5 1000.1 1001.7 1007.4 1016.5 1022.0 1020.2 1022.3 DAY 26 21 2 29 1 1 31 24 13 22 26 24 MIN. QFF PRESSURE IN HPA 1012.9 1013.0 1005.2 1005.3 998.5 994.7 993.0 995.4 995.8 1010.2 1013.3 1013.9 993.0 DAY 19 17 15 8 29 16 20 6 1 18 15 10 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION JAZIREH ABOMOOSA (40890) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 25 50 N LONGITUDE 54 50 E DATA PROCESSING CENTER ELEVATION 6.6 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 1017.1 1018.5 1013.8 1009.7 1006.0 998.5 997.7 999.3 1004.1 1015.4 1017.4 1018.4 1009.6 MAX. QFE PRESSURE IN HPA 1020.4 1023.5 1021.3 1012.3 1009.7 1004.1 1001.1 1002.5 1008.0 1017.7 1023.2 1021.3 1023.5 DAY 24 21 1 14 1 1 26 24 12 20 26 17 MIN. QFE PRESSURE IN HPA 1013.7 1014.3 1007.1 1006.8 999.4 994.8 993.8 996.2 997.1 1010.9 1014.5 1015.5 993.8 DAY 19 16 15 25 29 16 20 6 1 18 15 7 MEAN QNH PRESSURE IN HPA 1017.6 1019.0 1014.3 1010.2 1006.5 999.0 998.2 999.7 1004.6 1015.9 1017.9 1018.8 1010.1 MAX. QNH PRESSURE IN HPA 1020.9 1024.0 1021.8 1012.8 1010.2 1004.6 1001.6 1003.0 1008.5 1018.2 1023.7 1021.8 1024.0 DAY 24 21 1 14 1 1 26 24 12 20 26 17 MIN. QNH PRESSURE IN HPA 1014.2 1014.8 1007.6 1007.3 999.9 995.3 994.3 996.7 997.6 1011.4 1015.0 1016.0 994.3 DAY 19 16 15 25 29 16 20 6 1 18 15 7 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** 1006.1 ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** 1009.1 ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** 11 ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** 1000.1 ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** 29 ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1016.4 1018.1 1013.3 1009.3 1005.8 998.3 997.3 998.7 1003.8 1014.4 1016.6 1017.2 1009.1 MAX. QFE PRESSURE IN HPA 1019.8 1023.1 1020.8 1011.9 1009.3 1004.2 1001.0 1001.9 1008.0 1016.5 1022.3 1020.0 1023.1 DAY 13 20 1 2 4 4 26 24 16 20 26 17 MIN. QFE PRESSURE IN HPA 1012.9 1013.8 1006.8 1005.8 999.6 994.5 993.3 996.0 997.6 1009.9 1013.3 1014.1 993.3 DAY 19 16 15 25 29 16 20 6 1 18 16 7 MEAN QNH PRESSURE IN HPA 1016.9 1018.6 1013.8 1009.8 1006.2 998.7 997.7 999.2 1004.3 1014.9 1017.1 1017.7 1009.6 MAX. QNH PRESSURE IN HPA 1020.3 1023.6 1021.3 1012.4 1009.8 1004.7 1001.5 1002.4 1008.5 1017.0 1022.8 1020.5 1023.6 DAY 13 20 1 2 4 4 26 24 16 20 26 17 MIN. QNH PRESSURE IN HPA 1013.4 1014.3 1007.3 1006.3 1000.1 995.0 993.8 996.5 998.1 1010.4 1013.8 1014.6 993.8 DAY 19 16 15 25 29 16 20 6 1 18 16 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 1014.4 1015.8 1011.1 1007.5 1004.2 996.7 995.7 997.0 1001.6 1012.6 1014.7 1015.7 1007.3 MAX. QFE PRESSURE IN HPA 1017.8 1020.9 1019.2 1010.0 1007.6 1002.8 998.4 999.6 1005.3 1014.7 1019.7 1018.5 1020.9 DAY 24 20 2 2 2 4 26 24 12 20 26 16 MIN. QFE PRESSURE IN HPA 1011.4 1011.5 1003.8 1004.0 998.1 993.1 991.2 994.6 996.1 1008.2 1011.4 1012.5 991.2 DAY 29 16 15 25 28 16 20 6 1 18 15 7 MEAN QNH PRESSURE IN HPA 1014.9 1016.3 1011.6 1008.0 1004.7 997.2 996.1 997.5 1002.1 1013.1 1015.2 1016.2 1007.7 MAX. QNH PRESSURE IN HPA 1018.3 1021.4 1019.7 1010.5 1008.1 1003.3 998.9 1000.1 1005.8 1015.2 1020.2 1019.0 1021.4 DAY 24 20 2 2 2 4 26 24 12 20 26 16 MIN. QNH PRESSURE IN HPA 1011.9 1012.0 1004.3 1004.5 998.6 993.6 991.7 995.1 996.6 1008.7 1011.9 1013.0 991.7 DAY 29 16 15 25 28 16 20 6 1 18 15 7 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION JAZIREH ABOMOOSA (40890) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 25 50 N LONGITUDE 54 50 E DATA PROCESSING CENTER ELEVATION 6.6 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 1014.7 1015.9 1010.9 1007.1 1003.5 996.0 995.3 996.6 1001.2 1012.6 1014.9 1016.0 1007.0 MAX. QFE PRESSURE IN HPA 1018.2 1020.6 1018.2 1010.3 1007.4 1001.8 998.0 999.0 1004.8 1014.7 1019.8 1019.1 1020.6 DAY 24 21 1 2 2 4 22 24 12 20 26 17 MIN. QFE PRESSURE IN HPA 1011.3 1011.5 1003.8 1003.3 997.1 992.6 990.7 993.9 995.8 1008.3 1011.3 1013.1 990.7 DAY 19 16 15 25 28 16 20 7 1 18 8 6 MEAN QNH PRESSURE IN HPA 1015.1 1016.3 1011.4 1007.6 1004.0 996.5 995.8 997.1 1001.7 1013.1 1015.4 1016.5 1007.5 MAX. QNH PRESSURE IN HPA 1018.7 1021.1 1018.7 1010.8 1007.9 1002.3 998.5 999.5 1005.3 1015.2 1020.3 1019.6 1021.1 DAY 24 21 1 2 2 4 22 24 12 20 26 17 MIN. QNH PRESSURE IN HPA 1011.8 1012.0 1004.3 1003.8 997.6 993.1 991.2 994.4 996.3 1008.8 1011.8 1013.6 991.2 DAY 19 16 15 25 28 16 20 7 1 18 8 6 MEAN QFF PRESSURE IN HPA 1015.4 1016.6 1011.7 1007.8 1004.2 996.7 996.0 997.3 1002.0 1013.5 1015.6 1016.7 1007.8 MAX. QFF PRESSURE IN HPA 1019.0 1021.4 1019.0 1011.1 1008.1 1002.5 998.7 999.7 1005.5 1015.5 1020.6 1019.9 1021.4 DAY 25 21 1 2 2 4 22 24 12 31 26 17 MIN. QFF PRESSURE IN HPA 1012.1 1012.3 1004.6 1004.0 997.8 993.3 991.4 994.6 996.5 1009.0 1012.0 1013.9 991.4 DAY 19 16 15 25 28 16 20 7 1 18 8 6 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** 1003.8 ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** 1007.2 ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** 11 ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** 998.0 ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** 28 ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** 1004.3 ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** 1007.7 ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** 11 ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** 998.5 ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** 28 ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** 1004.5 ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** 1007.9 ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** 11 ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** 998.7 ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** 28 ** ** ** ** ** ** ** 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 2002,MAY M.(S & A) STATION JAZIREH ABOMOOSA (40890) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 25 50 N LONGITUDE 54 50 E DATA PROCESSING CENTER ELEVATION 6.6 M MEANS AND EXTREMES FOR THE YEAR 1985 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 21.8 21.1 23.6 26.0 29.5 31.7 33.3 34.5 32.4 30.5 27.3 22.7 27.9 MINIMUN AIR TEMPERATURE (C) 18.4 16.6 19.8 22.1 25.8 28.4 29.9 30.0 27.7 25.9 23.0 19.3 23.9 DAYS WITH MINIMUM TEMP. >=21 3 2 10 25 31 30 31 31 30 31 25 6 255 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) 15.0 8.0 15.2 17.0 22.0 25.0 27.0 27.0 25.0 22.0 19.0 15.5 8.0 DAY 10 21 12 15 3 5 6 23 15 19 23 31 MAXIMUM AIR TEMPERATURE (C) 24.4 24.6 27.6 32.0 33.3 34.9 37.3 38.4 35.8 34.7 30.4 25.9 31.6 DAYS WITH MAXIMUM TEMP. >=30 0 0 6 24 29 30 31 31 30 31 22 1 235 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 26.8 28.0 36.0 39.6 41.0 40.0 45.0 41.0 43.0 43.0 32.4 30.0 45.0 DAY 3 1 20 24 24 6 20 17 1 6 2 3 DIF. BETWEEN (MAX.-MIN.) (C) 6.0 8.0 7.8 9.9 7.5 6.5 7.4 8.4 8.1 8.8 7.4 6.6 7.7 MEAN DAILY TEMP. (MDT) (C) 21.4 20.6 23.7 27.1 29.6 31.6 33.6 34.2 31.8 30.3 26.7 22.6 27.8 COOLING DEG. DAYS(BASE 21 0C) 21.4 13.8 85.0 182.2 266.0 319.2 391.6 409.4 322.6 288.5 170.6 53.4 2523.8 HEATING DEG. DAYS(BASE 18 0C) 0.0 2.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 2.0 DEWPOINT (MEAN C) 16.1 11.9 16.7 19.4 23.4 25.5 26.6 25.9 25.9 21.9 18.5 13.6 20.4 MIXING RATIO (G/KG) 11.69 8.86 12.12 14.32 18.54 21.14 22.67 21.94 21.51 16.93 13.42 9.94 16.09 VAPOUR PRESSURE (HPA) 18.73 14.23 19.34 22.69 29.05 32.80 35.03 33.98 33.55 26.74 21.42 15.97 25.29 SATURATION DEF. (HPA) 7.46 10.97 10.14 11.21 12.58 14.01 16.31 21.25 15.25 17.40 15.18 11.87 13.64 RELATIVE HUMIDITY (MEAN %) 72 57 67 69 71 71 69 64 70 62 60 58 66 RELATIVE HUMIDITY (MAX. %) 85 71 81 83 85 84 83 86 87 77 75 69 81 RELATIVE HUMIDITY (MIN. %) 62 48 55 58 59 61 58 47 59 51 50 50 55 RELATIVE HUMIDITY (MEAN% 03UTC) 85 69 80 82 85 83 83 86 87 77 74 67 80 RELATIVE HUMIDITY (MEAN% 09UTC) 66 52 60 63 64 65 62 57 62 55 55 53 60 RELATIVE HUMIDITY (MEAN% 15UTC) 69 55 64 67 69 70 68 58 70 61 58 59 64 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 17.0 0.0 1.5 1.0 0.0 0.2 0.0 0.0 0.0 0.0 0.1 10.3 30.1 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 0 0 0 0 0 0 0 1 2 DAYS WITH PRECIPITATION >= 1 1 0 1 1 0 0 0 0 0 0 0 3 6 DAYS WITH PRECIPITATION 1 0 2 1 0 1 0 0 0 0 1 4 10 GREATEST DAILY PRECIPITATION 17.0 0.0 1.0 1.0 0.0 0.2 0.0 0.0 0.0 0.0 0.1 7.0 17.0 DAY 6 ** 30 25 ** 4 ** ** ** ** 22 5 DAY WITH THUNDER STORM 1 0 1 0 0 0 0 0 0 0 0 2 4 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 1 9 5 10 4 4 5 5 0 0 3 5 51 WIND DIRECTION (PREVAILING) 270 270 270 270 225 225 225 45 270 270 270 270 270 PREVAILING WIND SPEED(KNOTS) 8.3 15.5 11.1 13.6 8.5 9.3 9.1 10.2 8.5 9.4 10.4 11.4 11.1 PREVAILING WIND PERCENT 16.1 42.1 32.3 35.3 36.1 38.0 22.6 31.0 22.7 21.9 30.0 31.0 24.8 CALMS PERCENT OF WIND 37.4 19.3 29.7 20.0 25.8 15.3 18.7 23.2 26.7 36.1 39.3 18.7 25.9 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 267 264 265 264 243 248 293 37 264 266 282 309 268 VECTOR WIND MAGNITUDE(KNOTS) 1.2 8.3 4.0 7.1 5.3 5.9 2.1 3.7 2.7 2.5 3.0 2.4 3.4 WIND STEADINESES (MEAN %) 27.3 80.6 59.7 77.2 80.3 75.6 27.3 56.9 45.8 43.1 55.6 27.3 47.9 WIND SPEED (MEAN KNOTS) 4.4 10.3 6.7 9.2 6.6 7.8 7.7 6.5 5.9 5.8 5.4 8.8 7.1 FASTEST WIND DIRECTION 180 280 270 270 240 290 50 60 60 60 270 210 280 FASTEST WIND SPEED (KNOTS) 19 33 21 25 14 19 16 19 14 14 19 29 33 DAY 3 18 26 8 17 10 18 13 16 4 7 5 DAYS WITH SKY CLEAR (0-2)/8 10 27 14 22 25 30 30 29 29 31 21 18 286 DAYS WITH P.CLOUDY (3-6)/8 18 1 16 6 6 0 1 2 1 0 9 9 69 DAYS WITH CLOUDY (7-8)/8 3 0 1 2 0 0 0 0 0 0 0 4 10 DAYS WITH VISIBILITY =< 2 KM 0 4 1 4 6 7 11 3 4 3 0 1 44 DURATION OF SUNSHINE HOURS 227.1 258.7 199.3 286.6 316.7 333.0 268.0 305.7 295.4 309.9 275.4 226.6 3302.4 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION JAZIREH ABOMOOSA (40890) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 25 50 N LONGITUDE 54 50 E DATA PROCESSING CENTER ELEVATION 6.6 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 1016.5 1014.1 1013.0 1009.1 1004.0 998.4 996.8 998.4 1004.1 1010.3 1014.4 1016.8 1008.0 MAX. QFE PRESSURE IN HPA 1022.4 1019.5 1021.7 1014.3 1010.6 1002.9 1001.5 1004.3 1010.7 1017.0 1018.9 1022.2 1022.4 DAY-HOUR 13- 6 28- 9 5- 6 21- 6 9- 6 5- 9 24- 6 30- 6 22- 6 26- 6 25- 6 31- 6 MIN. QFE PRESSURE IN HPA 1012.3 1009.1 1004.9 1004.2 996.7 994.6 992.2 993.0 998.3 1005.2 1008.8 1011.8 992.2 DAY-HOUR 31-12 16-12 24-12 24-12 28-15 27-15 18-15 7-15 6-15 4-15 6-12 27-12 MEAN QNH PRESSURE IN HPA 1017.0 1014.6 1013.5 1009.6 1004.5 998.9 997.2 998.9 1004.6 1010.8 1014.9 1017.3 1008.5 MAX. QNH PRESSURE IN HPA 1022.9 1020.0 1022.2 1014.8 1011.1 1003.4 1002.0 1004.8 1011.2 1017.5 1019.4 1022.7 1022.9 DAY-HOUR 13- 6 28- 9 5- 6 21- 6 9- 6 5- 9 24- 6 30- 6 22- 6 26- 6 25- 6 31- 6 MIN. QNH PRESSURE IN HPA 1012.8 1009.6 1005.4 1004.7 997.2 995.1 992.7 993.5 998.8 1005.7 1009.3 1012.3 992.7 DAY-HOUR 31-12 16-12 24-12 24-12 28-15 27-15 18-15 7-15 6-15 4-15 6-12 27-12 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 1016.4 1013.8 1012.8 1008.7 1003.7 998.3 997.0 998.4 1003.9 1010.2 1014.4 1016.9 1007.9 MAX. QFE PRESSURE IN HPA 1020.7 1017.2 1019.8 1012.6 1008.7 1001.2 1000.5 1002.8 1008.1 1015.3 1017.4 1020.8 1020.8 DAY 13 20 6 21 9 6 23 30 22 27 27 31 MIN. QFE PRESSURE IN HPA 1012.7 1010.5 1005.6 1005.4 998.6 996.2 994.0 995.2 999.5 1006.3 1010.2 1012.8 994.0 DAY 31 6 30 24 29 28 19 7 6 8 7 19 MEAN QNH PRESSURE IN HPA 1016.9 1014.3 1013.3 1009.2 1004.2 998.8 997.5 998.9 1004.4 1010.7 1014.9 1017.4 1008.4 MAX. QNH PRESSURE IN HPA 1021.2 1017.7 1020.3 1013.1 1009.2 1001.7 1001.0 1003.3 1008.6 1015.8 1017.9 1021.3 1021.3 DAY 13 20 6 21 9 6 23 30 22 27 27 31 MIN. QNH PRESSURE IN HPA 1013.2 1011.0 1006.1 1005.9 999.1 996.7 994.5 995.7 1000.0 1006.8 1010.7 1013.3 994.5 DAY 31 6 30 24 29 28 19 7 6 8 7 19 MEAN QFF PRESSURE IN HPA 1017.1 1014.6 1013.6 1009.5 1004.5 999.1 997.7 999.2 1004.6 1010.9 1015.2 1017.7 1008.6 MAX. QFF PRESSURE IN HPA 1021.5 1018.0 1020.6 1013.4 1009.4 1001.9 1001.2 1003.5 1008.8 1016.0 1018.2 1021.6 1021.6 DAY 13 20 6 21 9 6 23 30 22 27 27 31 MIN. QFF PRESSURE IN HPA 1013.5 1011.3 1006.3 1006.1 999.3 996.9 994.7 995.9 1000.2 1007.0 1010.9 1013.6 994.7 DAY 31 6 30 24 29 28 19 7 6 8 7 19 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION JAZIREH ABOMOOSA (40890) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 25 50 N LONGITUDE 54 50 E DATA PROCESSING CENTER ELEVATION 6.6 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 1018.0 1015.4 1014.5 1010.4 1005.2 999.4 998.0 999.7 1005.5 1011.8 1016.0 1018.2 1009.3 MAX. QFE PRESSURE IN HPA 1022.4 1019.3 1021.7 1014.3 1010.6 1002.7 1001.5 1004.3 1010.7 1017.0 1018.9 1022.2 1022.4 DAY 13 28 5 21 9 5 24 30 22 26 25 31 MIN. QFE PRESSURE IN HPA 1014.5 1011.8 1007.7 1007.2 999.5 997.0 995.0 996.0 1000.9 1008.1 1012.2 1013.5 995.0 DAY 31 16 24 24 29 24 14 8 6 8 6 5 MEAN QNH PRESSURE IN HPA 1018.5 1015.9 1015.0 1010.9 1005.7 999.9 998.5 1000.2 1006.0 1012.3 1016.5 1018.7 1009.8 MAX. QNH PRESSURE IN HPA 1022.9 1019.8 1022.2 1014.8 1011.1 1003.2 1002.0 1004.8 1011.2 1017.5 1019.4 1022.7 1022.9 DAY 13 28 5 21 9 5 24 30 22 26 25 31 MIN. QNH PRESSURE IN HPA 1015.0 1012.3 1008.2 1007.7 1000.0 997.5 995.5 996.5 1001.4 1008.6 1012.7 1014.0 995.5 DAY 31 16 24 24 29 24 14 8 6 8 6 5 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 1017.1 1015.1 1014.1 1010.2 1005.2 999.3 997.7 999.4 1005.1 1011.1 1015.1 1017.3 1008.9 MAX. QFE PRESSURE IN HPA 1021.1 1019.5 1020.9 1014.3 1010.4 1002.9 1000.6 1004.2 1010.1 1016.2 1018.4 1020.8 1021.1 DAY 13 28 5 21 9 5 23 30 22 26 27 31 MIN. QFE PRESSURE IN HPA 1014.5 1010.6 1006.8 1005.8 999.8 996.8 994.2 995.6 1000.5 1007.3 1010.8 1012.4 994.2 DAY 4 16 24 24 29 27 14 7 6 9 6 5 MEAN QNH PRESSURE IN HPA 1017.5 1015.6 1014.6 1010.7 1005.6 999.8 998.2 999.9 1005.6 1011.6 1015.6 1017.8 1009.4 MAX. QNH PRESSURE IN HPA 1021.6 1020.0 1021.4 1014.8 1010.9 1003.4 1001.1 1004.7 1010.6 1016.7 1018.9 1021.3 1021.6 DAY 13 28 5 21 9 5 23 30 22 26 27 31 MIN. QNH PRESSURE IN HPA 1015.0 1011.1 1007.3 1006.3 1000.3 997.3 994.7 996.1 1001.0 1007.8 1011.3 1012.9 994.7 DAY 4 16 24 24 29 27 14 7 6 9 6 5 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 1015.5 1013.0 1011.8 1008.2 1003.2 997.8 995.9 997.5 1003.1 1009.3 1013.2 1015.8 1007.0 MAX. QFE PRESSURE IN HPA 1019.5 1016.6 1018.9 1012.3 1008.8 1001.2 998.9 1001.3 1007.7 1014.0 1016.1 1019.7 1019.7 DAY 13 20 9 21 9 5 23 30 22 26 26 31 MIN. QFE PRESSURE IN HPA 1012.3 1009.1 1004.9 1004.2 997.6 995.4 992.5 994.0 998.8 1005.4 1008.8 1011.8 992.5 DAY 31 16 24 24 28 27 14 8 5 4 6 27 MEAN QNH PRESSURE IN HPA 1016.0 1013.5 1012.3 1008.7 1003.7 998.3 996.4 997.9 1003.6 1009.8 1013.7 1016.3 1007.5 MAX. QNH PRESSURE IN HPA 1020.0 1017.1 1019.4 1012.8 1009.3 1001.7 999.4 1001.8 1008.2 1014.5 1016.6 1020.2 1020.2 DAY 13 20 9 21 9 5 23 30 22 26 26 31 MIN. QNH PRESSURE IN HPA 1012.8 1009.6 1005.4 1004.7 998.1 995.9 993.0 994.5 999.3 1005.9 1009.3 1012.3 993.0 DAY 31 16 24 24 28 27 14 8 5 4 6 27 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION JAZIREH ABOMOOSA (40890) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 25 50 N LONGITUDE 54 50 E DATA PROCESSING CENTER ELEVATION 6.6 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 1015.8 1013.0 1011.8 1008.0 1002.9 997.2 995.3 996.9 1002.9 1009.4 1013.4 1015.9 1006.9 MAX. QFE PRESSURE IN HPA 1019.3 1016.6 1018.9 1011.5 1008.4 1000.7 998.0 1001.3 1007.5 1014.0 1016.1 1020.3 1020.3 DAY 13 20 9 21 9 5 2 30 22 26 26 31 MIN. QFE PRESSURE IN HPA 1012.5 1009.1 1005.1 1004.2 996.7 994.6 992.2 993.0 998.3 1005.2 1008.9 1012.3 992.2 DAY 31 16 23 24 28 27 18 7 6 4 10 24 MEAN QNH PRESSURE IN HPA 1016.3 1013.4 1012.2 1008.5 1003.4 997.6 995.8 997.4 1003.3 1009.9 1013.9 1016.3 1007.3 MAX. QNH PRESSURE IN HPA 1019.8 1017.1 1019.4 1012.0 1008.9 1001.2 998.5 1001.8 1008.0 1014.5 1016.6 1020.8 1020.8 DAY 13 20 9 21 9 5 2 30 22 26 26 31 MIN. QNH PRESSURE IN HPA 1013.0 1009.6 1005.6 1004.7 997.2 995.1 992.7 993.5 998.8 1005.7 1009.4 1012.8 992.7 DAY 31 16 23 24 28 27 18 7 6 4 10 24 MEAN QFF PRESSURE IN HPA 1016.5 1013.7 1012.6 1008.8 1003.7 997.9 996.0 997.6 1003.6 1010.1 1014.2 1016.6 1007.6 MAX. QFF PRESSURE IN HPA 1020.1 1017.4 1019.7 1012.2 1009.1 1001.4 998.7 1002.0 1008.2 1014.8 1016.9 1021.1 1021.1 DAY 13 20 9 21 9 5 2 30 22 26 26 31 MIN. QFF PRESSURE IN HPA 1013.3 1009.9 1005.8 1004.9 997.4 995.3 992.9 993.7 999.0 1005.9 1009.6 1013.1 992.9 DAY 31 16 23 24 28 27 18 7 6 4 10 24 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 2002,MAY M.(S & A) STATION JAZIREH ABOMOOSA (40890) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 25 50 N LONGITUDE 54 50 E DATA PROCESSING CENTER ELEVATION 6.6 M MEANS AND EXTREMES FOR THE YEAR 1986 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 20.7 20.7 22.6 26.7 31.3 32.3 34.3 34.2 32.7 31.3 26.8 21.3 27.9 MINIMUN AIR TEMPERATURE (C) 16.9 17.6 19.5 23.3 27.0 28.6 30.4 30.6 27.5 26.9 22.6 17.4 24.0 DAYS WITH MINIMUM TEMP. >=21 1 0 3 29 31 30 31 31 29 31 24 4 244 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) 13.0 14.0 15.6 20.6 24.0 24.0 27.8 29.0 25.5 23.0 18.0 11.0 11.0 DAY 23 18 18 1 3 17 7 20 7 13 27 7 MAXIMUM AIR TEMPERATURE (C) 24.4 23.6 25.4 30.4 34.6 35.2 37.0 36.5 35.6 33.9 29.3 23.7 30.8 DAYS WITH MAXIMUM TEMP. >=30 0 0 2 19 31 29 31 31 29 31 9 0 212 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 27.0 26.6 30.8 34.6 40.0 39.0 39.5 38.6 38.0 37.8 33.2 28.2 40.0 DAY 19 26 26 2 29 2 4 6 7 9 4 1 DIF. BETWEEN (MAX.-MIN.) (C) 7.5 6.0 5.9 7.1 7.6 6.6 6.6 5.9 8.1 7.0 6.7 6.3 6.8 MEAN DAILY TEMP. (MDT) (C) 20.6 20.6 22.4 26.9 30.8 31.9 33.7 33.5 31.5 30.4 26.0 20.5 27.4 COOLING DEG. DAYS(BASE 21 0C) 11.4 9.6 45.5 175.7 303.1 319.0 392.5 388.1 305.8 291.0 149.2 20.0 2410.9 HEATING DEG. DAYS(BASE 18 0C) 1.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 2.8 4.3 DEWPOINT (MEAN C) 11.5 12.6 15.2 19.5 23.1 25.9 27.3 27.1 26.8 24.0 18.1 13.2 20.4 MIXING RATIO (G/KG) 8.56 9.30 10.97 14.48 18.40 21.71 23.68 23.29 22.77 19.07 13.21 9.60 16.25 VAPOUR PRESSURE (HPA) 13.81 14.93 17.52 22.93 28.84 33.62 36.57 36.06 35.49 30.06 21.07 15.46 25.53 SATURATION DEF. (HPA) 10.79 9.62 10.08 12.34 17.30 14.96 17.76 17.82 14.45 15.93 14.54 10.08 13.81 RELATIVE HUMIDITY (MEAN %) 57 61 64 67 64 70 68 68 72 66 60 61 65 RELATIVE HUMIDITY (MAX. %) 70 73 78 79 80 82 85 85 89 80 73 71 79 RELATIVE HUMIDITY (MIN. %) 48 53 53 56 51 60 56 56 61 57 51 53 55 RELATIVE HUMIDITY (MEAN% 03UTC) 69 72 76 78 79 81 85 85 89 79 71 69 78 RELATIVE HUMIDITY (MEAN% 09UTC) 50 55 60 61 56 64 62 61 64 60 56 55 59 RELATIVE HUMIDITY (MEAN% 15UTC) 58 62 65 71 68 72 65 68 72 68 62 64 66 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 10.7 11.0 5.0 0.8 0.0 0.0 0.0 0.0 0.0 0.0 11.4 40.5 79.4 DAYS WITH PRECIPITATION >=10 1 0 0 0 0 0 0 0 0 0 1 1 3 DAYS WITH PRECIPITATION >= 5 1 1 0 0 0 0 0 0 0 0 1 1 4 DAYS WITH PRECIPITATION >= 1 1 3 2 0 0 0 0 0 0 0 2 6 14 DAYS WITH PRECIPITATION 2 5 2 2 0 0 0 0 0 0 2 7 20 GREATEST DAILY PRECIPITATION 10.6 7.0 3.0 0.8 0.0 0.0 0.0 0.0 0.0 0.0 10.0 28.0 28.0 DAY 31 1 7 10 ** ** ** ** ** ** 25 6 DAY WITH THUNDER STORM 0 2 0 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 9 15 3 5 7 8 2 0 1 0 3 57 WIND DIRECTION (PREVAILING) 225 270 270 225 270 225 270 225 225 270 270 45 270 PREVAILING WIND SPEED(KNOTS) 10.1 13.4 14.3 10.7 10.5 6.9 6.7 7.8 8.0 7.8 13.0 10.2 10.9 PREVAILING WIND PERCENT 15.5 33.6 38.1 30.7 32.3 28.0 16.9 14.8 24.1 31.6 27.3 20.6 23.7 CALMS PERCENT OF WIND 30.3 17.9 14.8 12.0 15.5 13.3 11.0 12.3 19.3 22.6 21.3 27.7 18.2 NO. OF WIND OBSERVATION 155 140 155 150 155 150 154 155 145 155 150 155 1819 VECTOR WIND DIRECTION (MEAN) 299 285 285 259 252 239 240 150 252 259 298 33 267 VECTOR WIND MAGNITUDE(KNOTS) 2.6 4.1 4.7 6.5 5.2 3.1 0.4 0.7 2.6 3.3 2.2 0.6 2.7 WIND STEADINESES (MEAN %) 38.8 45.1 47.5 65.0 65.8 42.5 6.3 10.1 42.6 58.9 29.3 9.1 36.0 WIND SPEED (MEAN KNOTS) 6.7 9.1 9.9 10.0 7.9 7.3 6.3 6.9 6.1 5.6 7.5 6.6 7.5 FASTEST WIND DIRECTION 300 260 50 260 270 150 40 150 330 250 270 170 300 FASTEST WIND SPEED (KNOTS) 39 31 39 29 29 19 16 21 14 14 19 25 39 DAY 21 16 7 12 10 5 2 6 2 25 6 3 DAYS WITH SKY CLEAR (0-2)/8 21 16 20 15 29 29 28 29 26 26 20 17 276 DAYS WITH P.CLOUDY (3-6)/8 9 11 9 13 2 1 2 2 3 5 9 10 76 DAYS WITH CLOUDY (7-8)/8 1 1 2 2 0 0 1 0 0 0 1 4 12 DAYS WITH VISIBILITY =< 2 KM 1 1 2 0 2 2 4 4 4 0 0 3 23 DURATION OF SUNSHINE HOURS 255.4 221.7 244.8 240.0 338.0 323.3 258.9 295.0 294.6 292.0 250.6 225.4 3239.7 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION JAZIREH ABOMOOSA (40890) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 25 50 N LONGITUDE 54 50 E DATA PROCESSING CENTER ELEVATION 6.6 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 1017.4 1014.3 1011.9 1008.5 1005.1 997.3 997.6 999.8 1005.7 1011.3 1014.5 1018.1 1008.5 MAX. QFE PRESSURE IN HPA 1023.9 1022.0 1017.7 1015.6 1009.5 1006.6 1002.5 1006.1 1011.5 1018.2 1020.9 1023.2 1023.9 DAY-HOUR 25- 6 22- 9 3- 6 15- 6 7- 6 2- 6 31- 6 30- 6 22- 6 21- 6 28- 6 22- 6 MIN. QFE PRESSURE IN HPA 1011.4 1009.3 1006.2 1003.5 1000.1 991.6 990.8 993.7 1000.0 1006.1 1008.0 1012.3 990.8 DAY-HOUR 19-12 1-12 19-15 18-12 31-12 20-15 19-15 1-12 26-15 1- 3 7-12 5-12 MEAN QNH PRESSURE IN HPA 1017.9 1014.8 1012.3 1009.0 1005.6 997.8 998.0 1000.3 1006.2 1011.8 1014.9 1018.6 1008.9 MAX. QNH PRESSURE IN HPA 1024.4 1022.5 1018.2 1016.1 1010.0 1007.1 1003.0 1006.6 1012.0 1018.7 1021.4 1023.7 1024.4 DAY-HOUR 25- 6 22- 9 3- 6 15- 6 7- 6 2- 6 31- 6 30- 6 22- 6 21- 6 28- 6 22- 6 MIN. QNH PRESSURE IN HPA 1011.9 1009.8 1006.7 1004.0 1000.6 992.1 991.3 994.2 1000.5 1006.6 1008.5 1012.8 991.3 DAY-HOUR 19-12 1-12 19-15 18-12 31-12 20-15 19-15 1-12 26-15 1- 3 7-12 5-12 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 1017.4 1014.2 1011.7 1008.2 1004.9 997.5 997.8 999.9 1005.8 1011.3 1014.5 1018.0 1008.4 MAX. QFE PRESSURE IN HPA 1021.9 1020.7 1015.9 1013.8 1007.9 1004.9 1001.4 1004.9 1010.1 1016.3 1019.1 1021.5 1021.9 DAY 1 22 3 15 7 2 31 30 22 21 16 22 MIN. QFE PRESSURE IN HPA 1011.9 1010.4 1007.2 1004.4 1001.5 992.2 992.8 995.1 1001.5 1006.1 1010.0 1013.8 992.2 DAY 20 16 26 25 27 21 19 5 6 1 8 5 MEAN QNH PRESSURE IN HPA 1017.9 1014.7 1012.2 1008.7 1005.3 998.0 998.2 1000.3 1006.3 1011.7 1015.0 1018.5 1008.9 MAX. QNH PRESSURE IN HPA 1022.4 1021.2 1016.4 1014.3 1008.4 1005.4 1001.9 1005.4 1010.6 1016.8 1019.6 1022.0 1022.4 DAY 1 22 3 15 7 2 31 30 22 21 16 22 MIN. QNH PRESSURE IN HPA 1012.4 1010.9 1007.7 1004.9 1002.0 992.7 993.3 995.6 1002.0 1006.6 1010.5 1014.3 992.7 DAY 20 16 26 25 27 21 19 5 6 1 8 5 MEAN QFF PRESSURE IN HPA 1018.2 1015.0 1012.5 1008.9 1005.6 998.2 998.5 1000.6 1006.6 1012.0 1015.2 1018.8 1009.2 MAX. QFF PRESSURE IN HPA 1022.7 1021.5 1016.7 1014.6 1008.6 1005.6 1002.1 1005.6 1010.8 1017.0 1019.9 1022.3 1022.7 DAY 1 22 3 15 7 2 31 30 22 21 16 22 MIN. QFF PRESSURE IN HPA 1012.7 1011.2 1008.0 1005.1 1002.2 992.9 993.5 995.8 1002.2 1006.8 1010.7 1014.6 992.9 DAY 20 16 26 25 27 21 19 5 6 1 8 5 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION JAZIREH ABOMOOSA (40890) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 25 50 N LONGITUDE 54 50 E DATA PROCESSING CENTER ELEVATION 6.6 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 1019.2 1015.8 1013.5 1009.8 1006.3 998.4 998.7 1001.2 1007.2 1012.8 1016.1 1019.8 1009.9 MAX. QFE PRESSURE IN HPA 1023.9 1021.9 1017.7 1015.6 1009.5 1006.6 1002.5 1006.1 1011.5 1018.2 1020.9 1023.2 1023.9 DAY 25 22 3 15 7 2 31 30 22 21 28 22 MIN. QFE PRESSURE IN HPA 1014.0 1011.8 1009.1 1005.6 1002.3 993.2 993.7 996.5 1003.1 1008.2 1011.5 1015.7 993.2 DAY 20 16 26 18 27 21 19 10 6 1 7 6 MEAN QNH PRESSURE IN HPA 1019.7 1016.3 1014.0 1010.3 1006.7 998.9 999.2 1001.7 1007.7 1013.3 1016.6 1020.3 1010.4 MAX. QNH PRESSURE IN HPA 1024.4 1022.4 1018.2 1016.1 1010.0 1007.1 1003.0 1006.6 1012.0 1018.7 1021.4 1023.7 1024.4 DAY 25 22 3 15 7 2 31 30 22 21 28 22 MIN. QNH PRESSURE IN HPA 1014.5 1012.3 1009.6 1006.1 1002.8 993.7 994.2 997.0 1003.6 1008.7 1012.0 1016.2 993.7 DAY 20 16 26 18 27 21 19 10 6 1 7 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 1017.8 1014.8 1012.5 1009.4 1006.1 998.1 998.4 1000.9 1006.5 1011.8 1014.8 1018.6 1009.1 MAX. QFE PRESSURE IN HPA 1022.8 1022.0 1016.7 1014.9 1009.2 1005.8 1002.0 1006.1 1011.3 1017.2 1019.3 1022.0 1022.8 DAY 25 22 3 15 2 2 31 30 22 20 28 22 MIN. QFE PRESSURE IN HPA 1012.5 1010.2 1008.3 1005.4 1002.0 993.0 993.9 996.1 1002.5 1007.5 1010.0 1014.0 993.0 DAY 20 1 16 18 27 21 19 5 25 9 7 5 MEAN QNH PRESSURE IN HPA 1018.3 1015.3 1013.0 1009.9 1006.6 998.6 998.9 1001.4 1007.0 1012.3 1015.3 1019.0 1009.6 MAX. QNH PRESSURE IN HPA 1023.3 1022.5 1017.2 1015.4 1009.7 1006.3 1002.5 1006.6 1011.8 1017.7 1019.8 1022.5 1023.3 DAY 25 22 3 15 2 2 31 30 22 20 28 22 MIN. QNH PRESSURE IN HPA 1013.0 1010.7 1008.8 1005.9 1002.5 993.5 994.4 996.6 1003.0 1008.0 1010.5 1014.5 993.5 DAY 20 1 16 18 27 21 19 5 25 9 7 5 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 1016.1 1013.2 1010.8 1007.7 1004.4 996.5 996.8 998.9 1004.6 1010.2 1013.3 1016.9 1007.4 MAX. QFE PRESSURE IN HPA 1020.7 1019.1 1015.2 1013.0 1008.0 1003.9 1000.6 1003.9 1010.1 1015.1 1017.9 1020.5 1020.7 DAY 3 22 3 15 6 2 31 29 22 20 28 22 MIN. QFE PRESSURE IN HPA 1011.4 1009.3 1006.4 1003.5 1000.1 991.7 992.1 993.7 1001.1 1006.3 1008.0 1012.3 991.7 DAY 19 1 19 18 31 20 19 1 24 9 7 5 MEAN QNH PRESSURE IN HPA 1016.6 1013.7 1011.3 1008.2 1004.9 996.9 997.3 999.4 1005.1 1010.7 1013.8 1017.4 1007.9 MAX. QNH PRESSURE IN HPA 1021.2 1019.6 1015.7 1013.5 1008.5 1004.4 1001.1 1004.4 1010.6 1015.6 1018.4 1021.0 1021.2 DAY 3 22 3 15 6 2 31 29 22 20 28 22 MIN. QNH PRESSURE IN HPA 1011.9 1009.8 1006.9 1004.0 1000.6 992.2 992.6 994.2 1001.6 1006.8 1008.5 1012.8 992.2 DAY 19 1 19 18 31 20 19 1 24 9 7 5 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION JAZIREH ABOMOOSA (40890) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 25 50 N LONGITUDE 54 50 E DATA PROCESSING CENTER ELEVATION 6.6 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 1016.7 1013.5 1010.9 1007.6 1003.9 996.1 996.2 998.4 1004.4 1010.4 1013.7 1017.4 1007.4 MAX. QFE PRESSURE IN HPA 1020.4 1019.2 1015.7 1013.0 1007.5 1003.5 999.4 1003.9 1009.0 1015.2 1017.9 1020.7 1020.7 DAY 3 21 3 15 1 2 31 29 22 20 15 22 MIN. QFE PRESSURE IN HPA 1012.2 1009.8 1006.2 1003.5 1000.1 991.6 990.8 993.8 1000.0 1006.5 1008.5 1013.3 990.8 DAY 19 15 19 18 31 20 19 10 26 8 7 1 MEAN QNH PRESSURE IN HPA 1017.2 1014.0 1011.4 1008.1 1004.4 996.6 996.7 998.9 1004.8 1010.8 1014.2 1017.9 1007.9 MAX. QNH PRESSURE IN HPA 1020.9 1019.7 1016.2 1013.5 1008.0 1004.0 999.9 1004.4 1009.5 1015.7 1018.4 1021.2 1021.2 DAY 3 21 3 15 1 2 31 29 22 20 15 22 MIN. QNH PRESSURE IN HPA 1012.7 1010.3 1006.7 1004.0 1000.6 992.1 991.3 994.3 1000.5 1007.0 1009.0 1013.8 991.3 DAY 19 15 19 18 31 20 19 10 26 8 7 1 MEAN QFF PRESSURE IN HPA 1017.4 1014.3 1011.7 1008.4 1004.7 996.8 996.9 999.1 1005.1 1011.1 1014.4 1018.2 1008.2 MAX. QFF PRESSURE IN HPA 1021.2 1020.0 1016.5 1013.8 1008.2 1004.2 1000.1 1004.6 1009.7 1015.9 1018.7 1021.5 1021.5 DAY 3 21 3 15 1 2 31 29 22 20 15 22 MIN. QFF PRESSURE IN HPA 1013.0 1010.6 1007.0 1004.2 1000.8 992.3 991.5 994.5 1000.7 1007.2 1009.2 1014.1 991.5 DAY 19 15 19 18 31 20 19 10 26 9 7 1 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 2002,MAY M.(S & A) STATION JAZIREH ABOMOOSA (40890) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 25 50 N LONGITUDE 54 50 E DATA PROCESSING CENTER ELEVATION 6.6 M MEANS AND EXTREMES FOR THE YEAR 1987 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 21.3 22.1 23.5 26.1 30.9 32.1 34.1 35.0 33.2 30.5 27.0 22.6 28.2 MINIMUN AIR TEMPERATURE (C) 17.0 18.1 20.0 21.9 25.9 28.1 29.5 30.8 28.9 26.3 22.0 18.3 23.9 DAYS WITH MINIMUM TEMP. >=21 1 3 11 20 31 26 31 31 30 31 21 5 241 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) 13.2 14.5 16.5 17.5 22.2 26.0 26.8 29.2 25.5 23.0 17.8 13.0 13.0 DAY 17 26 7 3 9 16 6 8 25 25 21 12 MAXIMUM AIR TEMPERATURE (C) 23.8 24.6 26.1 28.8 33.7 34.5 36.6 37.5 35.9 33.0 29.7 25.3 30.8 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 13 31 27 31 31 30 31 16 0 210 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 25.7 27.6 29.6 35.4 37.6 38.6 38.6 41.4 38.4 36.4 31.8 27.8 41.4 DAY 27 10 20 30 17 26 15 4 1 4 1 7 DIF. BETWEEN (MAX.-MIN.) (C) 6.8 6.5 6.1 6.9 7.8 6.4 7.1 6.7 7.0 6.7 7.7 7.0 6.9 MEAN DAILY TEMP. (MDT) (C) 20.4 21.4 23.1 25.4 29.8 31.3 33.1 34.2 32.4 29.7 25.8 21.8 27.4 COOLING DEG. DAYS(BASE 21 0C) 6.6 22.0 66.2 130.7 273.0 266.5 374.7 408.2 341.6 268.2 144.6 29.8 2332.3 HEATING DEG. DAYS(BASE 18 0C) 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 DEWPOINT (MEAN C) 14.0 15.5 17.3 19.4 23.9 26.0 26.9 26.4 25.6 20.5 17.8 13.6 20.6 MIXING RATIO (G/KG) 10.00 11.12 12.63 14.40 19.18 21.72 23.09 22.48 21.20 15.62 13.09 10.02 16.21 VAPOUR PRESSURE (HPA) 16.12 17.84 20.11 22.84 30.06 33.73 35.72 34.80 33.09 24.73 20.88 16.12 25.50 SATURATION DEF. (HPA) 9.32 8.90 9.09 11.42 14.95 14.28 18.12 21.59 18.01 19.34 15.12 11.65 14.32 RELATIVE HUMIDITY (MEAN %) 64 68 70 68 68 71 67 63 66 57 59 59 65 RELATIVE HUMIDITY (MAX. %) 78 83 83 85 85 82 85 80 82 73 75 70 80 RELATIVE HUMIDITY (MIN. %) 56 57 59 57 56 62 54 52 55 47 49 50 55 RELATIVE HUMIDITY (MEAN% 03UTC) 78 82 82 84 85 81 85 80 81 73 74 71 80 RELATIVE HUMIDITY (MEAN% 09UTC) 57 61 63 62 61 65 61 57 57 50 52 51 58 RELATIVE HUMIDITY (MEAN% 15UTC) 64 68 72 66 66 71 66 62 66 56 59 60 65 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 1.3 0.0 47.6 10.7 0.0 0.0 0.0 0.0 0.0 0.0 7.5 0.7 67.8 DAYS WITH PRECIPITATION >=10 0 0 2 1 0 0 0 0 0 0 0 0 3 DAYS WITH PRECIPITATION >= 5 0 0 2 1 0 0 0 0 0 0 1 0 4 DAYS WITH PRECIPITATION >= 1 1 0 3 1 0 0 0 0 0 0 1 0 6 DAYS WITH PRECIPITATION 2 0 8 2 0 0 0 0 0 0 1 1 14 GREATEST DAILY PRECIPITATION 1.0 0.0 24.0 10.5 0.0 0.0 0.0 0.0 0.0 0.0 7.5 0.7 24.0 DAY 29 ** 27 6 ** ** ** ** ** ** 28 31 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 0 4 8 5 7 12 3 9 1 3 2 3 57 WIND DIRECTION (PREVAILING) 270 270 270 270 225 225 225 225 225 45 270 270 270 PREVAILING WIND SPEED(KNOTS) 8.3 7.6 10.9 9.7 9.4 7.1 9.0 6.7 9.1 10.9 5.5 9.9 8.5 PREVAILING WIND PERCENT 31.6 19.3 30.3 34.0 27.7 35.6 23.6 19.4 20.7 24.5 17.3 34.0 24.2 CALMS PERCENT OF WIND 34.8 25.7 14.2 8.7 16.8 9.1 16.2 21.9 16.0 20.6 32.0 29.3 20.6 NO. OF WIND OBSERVATION 155 140 155 150 155 132 148 155 150 155 150 150 1795 VECTOR WIND DIRECTION (MEAN) 282 328 249 259 245 247 244 230 240 7 336 318 263 VECTOR WIND MAGNITUDE(KNOTS) 2.8 1.0 4.0 4.7 3.2 5.2 2.7 1.0 2.2 1.4 1.5 2.0 2.2 WIND STEADINESES (MEAN %) 59.6 18.2 49.4 67.1 48.5 76.5 43.5 17.5 36.7 21.9 34.9 27.8 35.5 WIND SPEED (MEAN KNOTS) 4.7 5.5 8.1 7.0 6.6 6.8 6.2 5.7 6.0 6.4 4.3 7.2 6.2 FASTEST WIND DIRECTION 270 60 270 280 40 270 210 290 210 250 50 40 270 FASTEST WIND SPEED (KNOTS) 31 17 29 19 19 17 16 21 16 19 31 31 31 DAY 30 20 15 22 1 11 25 24 5 9 30 1 DAYS WITH SKY CLEAR (0-2)/8 27 21 14 19 22 25 29 30 29 26 27 21 290 DAYS WITH P.CLOUDY (3-6)/8 3 6 10 6 5 1 1 1 1 5 3 5 47 DAYS WITH CLOUDY (7-8)/8 1 1 7 5 4 1 0 0 0 0 0 4 23 DAYS WITH VISIBILITY =< 2 KM 1 0 1 1 3 3 4 5 4 1 0 1 24 DURATION OF SUNSHINE HOURS 268.3 248.6 215.2 290.7 315.5 271.0 310.0 278.4 278.9 295.5 280.3 241.0 3293.4 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION JAZIREH ABOMOOSA (40890) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 25 50 N LONGITUDE 54 50 E DATA PROCESSING CENTER ELEVATION 6.6 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 1019.0 1016.2 1011.5 1010.5 1006.0 1000.2 998.4 998.7 1004.7 1011.2 1014.2 1018.1 1009.0 MAX. QFE PRESSURE IN HPA 1024.8 1021.8 1017.5 1015.8 1011.1 1007.2 1005.4 1004.8 1011.4 1016.6 1020.1 1024.3 1024.8 DAY-HOUR 17- 6 1- 6 2- 6 1- 6 11- 6 1- 6 29- 6 7- 6 30- 6 24- 6 30- 6 2- 6 MIN. QFE PRESSURE IN HPA 1013.0 1009.4 1004.4 1003.7 1001.1 993.9 994.5 993.7 999.5 1005.2 1009.1 1012.8 993.7 DAY-HOUR 2-12 10-15 13-12 30-15 7-15 8-15 26-15 13-15 10-15 9-15 10-12 30-12 MEAN QNH PRESSURE IN HPA 1019.5 1016.7 1012.0 1011.0 1006.4 1000.7 998.9 999.1 1005.2 1011.7 1014.6 1018.6 1009.5 MAX. QNH PRESSURE IN HPA 1025.3 1022.3 1018.0 1016.3 1011.6 1007.7 1005.9 1005.3 1011.9 1017.1 1020.6 1024.8 1025.3 DAY-HOUR 17- 6 1- 6 2- 6 1- 6 11- 6 1- 6 29- 6 7- 6 30- 6 24- 6 30- 6 2- 6 MIN. QNH PRESSURE IN HPA 1013.5 1009.9 1004.9 1004.2 1001.6 994.4 995.0 994.2 1000.0 1005.7 1009.6 1013.3 994.2 DAY-HOUR 2-12 10-15 13-12 30-15 7-15 8-15 26-15 13-15 10-15 9-15 10-12 30-12 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 1018.8 1015.9 1011.3 1010.2 1005.8 1000.3 998.6 998.9 1004.5 1011.3 1014.1 1018.1 1009.0 MAX. QFE PRESSURE IN HPA 1023.1 1020.4 1016.1 1014.1 1009.6 1005.9 1003.4 1003.1 1009.0 1014.9 1018.4 1022.7 1023.1 DAY 17 1 2 1 11 1 29 7 30 24 30 2 MIN. QFE PRESSURE IN HPA 1014.5 1009.9 1005.4 1005.2 1002.1 995.8 996.1 996.0 1000.6 1006.0 1010.0 1014.6 995.8 DAY 2 18 14 30 23 9 26 13 11 4 11 31 MEAN QNH PRESSURE IN HPA 1019.3 1016.4 1011.8 1010.7 1006.3 1000.8 999.1 999.4 1005.0 1011.8 1014.6 1018.6 1009.5 MAX. QNH PRESSURE IN HPA 1023.6 1020.9 1016.6 1014.6 1010.1 1006.4 1003.9 1003.6 1009.5 1015.4 1018.9 1023.2 1023.6 DAY 17 1 2 1 11 1 29 7 30 24 30 2 MIN. QNH PRESSURE IN HPA 1015.0 1010.4 1005.9 1005.7 1002.6 996.3 996.6 996.5 1001.1 1006.5 1010.5 1015.1 996.3 DAY 2 18 14 30 23 9 26 13 11 4 11 31 MEAN QFF PRESSURE IN HPA 1019.6 1016.6 1012.1 1011.0 1006.5 1001.0 999.3 999.7 1005.3 1012.0 1014.9 1018.9 1009.7 MAX. QFF PRESSURE IN HPA 1023.9 1021.2 1016.9 1014.9 1010.3 1006.6 1004.1 1003.8 1009.7 1015.6 1019.2 1023.5 1023.9 DAY 17 1 2 1 11 1 29 7 30 24 30 2 MIN. QFF PRESSURE IN HPA 1015.3 1010.7 1006.1 1005.9 1002.8 996.5 996.8 996.7 1001.3 1006.7 1010.7 1015.4 996.5 DAY 3 18 14 30 29 9 26 13 11 4 11 31 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION JAZIREH ABOMOOSA (40890) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 25 50 N LONGITUDE 54 50 E DATA PROCESSING CENTER ELEVATION 6.6 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 1020.8 1017.7 1012.8 1011.9 1007.2 1001.4 999.6 1000.1 1006.2 1012.8 1015.8 1019.8 1010.5 MAX. QFE PRESSURE IN HPA 1024.8 1021.8 1017.5 1015.8 1011.1 1007.2 1005.4 1004.8 1011.4 1016.6 1020.1 1024.3 1024.8 DAY 17 1 2 1 11 1 29 7 30 24 30 2 MIN. QFE PRESSURE IN HPA 1016.4 1012.9 1007.1 1006.5 1003.3 996.5 996.6 996.9 1002.3 1007.8 1011.8 1016.1 996.5 DAY 3 18 14 30 29 9 26 13 6 4 11 31 MEAN QNH PRESSURE IN HPA 1021.3 1018.2 1013.3 1012.4 1007.7 1001.9 1000.1 1000.6 1006.7 1013.3 1016.3 1020.3 1011.0 MAX. QNH PRESSURE IN HPA 1025.3 1022.3 1018.0 1016.3 1011.6 1007.7 1005.9 1005.3 1011.9 1017.1 1020.6 1024.8 1025.3 DAY 17 1 2 1 11 1 29 7 30 24 30 2 MIN. QNH PRESSURE IN HPA 1016.9 1013.4 1007.6 1007.0 1003.8 997.0 997.1 997.4 1002.8 1008.3 1012.3 1016.6 997.0 DAY 3 18 14 30 29 9 26 13 6 4 11 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 1019.6 1017.2 1012.4 1011.4 1006.9 1001.1 999.3 999.5 1005.6 1011.7 1014.6 1018.5 1009.8 MAX. QFE PRESSURE IN HPA 1023.8 1020.4 1016.9 1015.3 1011.1 1007.1 1005.0 1004.8 1010.6 1015.5 1018.7 1023.0 1023.8 DAY 17 7 2 1 11 1 29 7 30 24 30 2 MIN. QFE PRESSURE IN HPA 1014.7 1013.3 1005.9 1006.1 1002.5 996.4 996.7 996.3 1001.2 1007.2 1010.7 1014.9 996.3 DAY 2 18 14 30 7 9 26 13 6 4 10 30 MEAN QNH PRESSURE IN HPA 1020.1 1017.7 1012.9 1011.9 1007.3 1001.6 999.8 1000.0 1006.1 1012.2 1015.1 1019.0 1010.3 MAX. QNH PRESSURE IN HPA 1024.3 1020.9 1017.4 1015.8 1011.6 1007.6 1005.5 1005.3 1011.1 1016.0 1019.2 1023.5 1024.3 DAY 17 7 2 1 11 1 29 7 30 24 30 2 MIN. QNH PRESSURE IN HPA 1015.2 1013.8 1006.4 1006.6 1003.0 996.9 997.2 996.8 1001.7 1007.7 1011.2 1015.4 996.8 DAY 2 18 14 30 7 9 26 13 6 4 10 30 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 1017.8 1015.1 1010.5 1009.7 1005.3 999.5 997.6 997.7 1003.7 1010.0 1013.0 1016.8 1008.0 MAX. QFE PRESSURE IN HPA 1021.5 1018.7 1015.1 1013.5 1009.5 1005.3 1002.6 1001.8 1008.8 1013.8 1017.9 1021.0 1021.5 DAY 16 1 2 7 11 1 29 7 30 24 30 2 MIN. QFE PRESSURE IN HPA 1013.0 1010.6 1004.4 1004.0 1001.2 994.4 995.2 994.2 999.8 1005.4 1009.1 1012.8 994.2 DAY 2 10 13 30 7 8 26 13 6 4 10 30 MEAN QNH PRESSURE IN HPA 1018.3 1015.6 1011.0 1010.1 1005.8 1000.0 998.1 998.1 1004.1 1010.5 1013.5 1017.3 1008.5 MAX. QNH PRESSURE IN HPA 1022.0 1019.2 1015.6 1014.0 1010.0 1005.8 1003.1 1002.3 1009.3 1014.3 1018.4 1021.5 1022.0 DAY 16 1 2 7 11 1 29 7 30 24 30 2 MIN. QNH PRESSURE IN HPA 1013.5 1011.1 1004.9 1004.5 1001.7 994.9 995.7 994.7 1000.3 1005.9 1009.6 1013.3 994.7 DAY 2 10 13 30 7 8 26 13 6 4 10 30 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION JAZIREH ABOMOOSA (40890) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 25 50 N LONGITUDE 54 50 E DATA PROCESSING CENTER ELEVATION 6.6 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 1018.3 1015.0 1010.5 1009.3 1004.7 998.9 997.1 997.2 1003.4 1010.1 1013.4 1017.5 1008.0 MAX. QFE PRESSURE IN HPA 1022.0 1019.0 1015.4 1013.1 1009.0 1004.5 1002.0 1002.7 1008.5 1013.8 1018.7 1021.7 1022.0 DAY 17 1 2 1 11 1 29 7 30 24 30 1 MIN. QFE PRESSURE IN HPA 1013.7 1009.4 1004.8 1003.7 1001.1 993.9 994.5 993.7 999.5 1005.2 1009.5 1012.8 993.7 DAY 2 10 13 30 7 8 26 13 10 9 11 30 MEAN QNH PRESSURE IN HPA 1018.8 1015.5 1011.0 1009.8 1005.2 999.4 997.6 997.7 1003.9 1010.6 1013.9 1018.0 1008.4 MAX. QNH PRESSURE IN HPA 1022.5 1019.5 1015.9 1013.6 1009.5 1005.0 1002.5 1003.2 1009.0 1014.3 1019.2 1022.2 1022.5 DAY 17 1 2 1 11 1 29 7 30 24 30 1 MIN. QNH PRESSURE IN HPA 1014.2 1009.9 1005.3 1004.2 1001.6 994.4 995.0 994.2 1000.0 1005.7 1010.0 1013.3 994.2 DAY 2 10 13 30 7 8 26 13 10 9 11 30 MEAN QFF PRESSURE IN HPA 1019.1 1015.8 1011.2 1010.1 1005.5 999.6 997.9 997.9 1004.1 1010.9 1014.1 1018.3 1008.7 MAX. QFF PRESSURE IN HPA 1022.8 1019.8 1016.2 1013.9 1009.7 1005.2 1002.7 1003.4 1009.2 1014.5 1019.5 1022.5 1022.8 DAY 17 1 2 1 11 1 29 7 30 24 30 1 MIN. QFF PRESSURE IN HPA 1014.5 1010.2 1005.5 1004.4 1001.8 994.6 995.2 994.4 1000.2 1005.9 1010.2 1013.6 994.4 DAY 2 10 13 30 29 8 26 13 10 9 11 30 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 2002,MAY M.(S & A) STATION JAZIREH ABOMOOSA (40890) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 25 50 N LONGITUDE 54 50 E DATA PROCESSING CENTER ELEVATION 6.6 M MEANS AND EXTREMES FOR THE YEAR 1988 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 20.6 21.0 23.3 26.4 29.5 31.9 33.9 34.1 32.9 30.9 28.2 23.7 28.0 MINIMUN AIR TEMPERATURE (C) 17.2 18.1 19.7 22.7 25.6 27.7 30.3 30.3 28.9 26.2 23.2 19.3 24.1 DAYS WITH MINIMUM TEMP. >=21 0 1 9 27 31 30 31 31 30 31 24 10 255 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) 12.4 14.0 16.0 20.0 22.0 24.2 26.4 28.8 25.4 22.2 19.4 12.4 12.4 DAY 21 7 1 28 1 1 1 3 30 28 27 30 MAXIMUM AIR TEMPERATURE (C) 23.0 23.2 26.0 28.9 31.9 34.6 36.6 36.6 35.5 33.4 31.4 26.6 30.6 DAYS WITH MAXIMUM TEMP. >=30 0 0 1 10 30 30 31 31 30 31 23 0 217 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 25.4 25.0 30.4 34.6 34.4 38.0 39.4 38.0 38.0 37.4 35.0 28.6 39.4 DAY 17 2 21 12 7 1 14 16 21 1 9 3 DIF. BETWEEN (MAX.-MIN.) (C) 5.8 5.1 6.3 6.2 6.3 6.9 6.3 6.3 6.6 7.2 8.2 7.3 6.5 MEAN DAILY TEMP. (MDT) (C) 20.1 20.7 22.8 25.8 28.8 31.2 33.5 33.4 32.2 29.8 27.3 23.0 27.4 COOLING DEG. DAYS(BASE 21 0C) 4.6 8.5 56.7 145.1 240.4 305.2 386.4 385.0 335.0 272.4 188.1 67.7 2395.3 HEATING DEG. DAYS(BASE 18 0C) 1.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.7 2.3 DEWPOINT (MEAN C) 11.1 14.7 16.5 19.8 23.5 25.7 27.7 28.0 26.3 23.4 16.8 13.9 20.6 MIXING RATIO (G/KG) 8.43 10.69 11.87 14.70 18.60 21.37 24.25 24.62 22.06 18.44 12.25 10.10 16.45 VAPOUR PRESSURE (HPA) 13.59 17.12 18.92 23.28 29.14 33.16 37.34 37.97 34.35 29.08 19.59 16.23 25.81 SATURATION DEF. (HPA) 10.76 7.83 9.89 11.46 12.37 14.45 15.93 15.72 15.94 15.85 19.09 13.29 13.55 RELATIVE HUMIDITY (MEAN %) 56 69 67 69 71 71 71 71 69 66 51 56 66 RELATIVE HUMIDITY (MAX. %) 71 80 83 83 84 84 86 86 86 84 66 68 80 RELATIVE HUMIDITY (MIN. %) 47 60 56 59 62 59 60 62 58 56 43 47 56 RELATIVE HUMIDITY (MEAN% 03UTC) 68 78 82 82 83 83 86 86 85 84 65 67 79 RELATIVE HUMIDITY (MEAN% 09UTC) 48 64 59 62 65 62 64 65 61 60 46 50 59 RELATIVE HUMIDITY (MEAN% 15UTC) 58 70 68 69 72 73 71 70 72 67 51 57 67 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 3.5 85.0 2.0 81.8 0.0 0.0 0.2 0.0 0.0 0.0 1.0 4.6 178.1 DAYS WITH PRECIPITATION >=10 0 3 0 2 0 0 0 0 0 0 0 0 5 DAYS WITH PRECIPITATION >= 5 0 5 0 2 0 0 0 0 0 0 0 0 7 DAYS WITH PRECIPITATION >= 1 1 7 1 2 0 0 0 0 0 0 1 1 13 DAYS WITH PRECIPITATION 2 8 1 4 0 0 1 0 0 0 1 3 20 GREATEST DAILY PRECIPITATION 3.0 30.0 2.0 66.0 0.0 0.0 0.2 0.0 0.0 0.0 1.0 4.0 66.0 DAY 19 17 3 27 ** ** 20 ** ** ** 25 9 DAY WITH THUNDER STORM 0 0 0 1 0 0 0 0 0 0 0 2 3 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 1 5 7 5 2 1 0 0 5 2 1 4 33 WIND DIRECTION (PREVAILING) 270 270 270 270 270 270 45 270 225 270 270 270 270 PREVAILING WIND SPEED(KNOTS) 12.8 10.4 14.2 10.2 9.5 8.1 6.7 6.5 6.5 6.9 10.2 9.4 9.8 PREVAILING WIND PERCENT 37.4 20.7 34.0 42.7 35.5 24.8 20.0 19.4 18.0 25.8 24.0 31.0 27.5 CALMS PERCENT OF WIND 21.9 24.1 19.3 15.3 20.6 24.8 10.3 16.1 22.7 20.6 46.0 38.7 23.4 NO. OF WIND OBSERVATION 155 145 150 150 155 145 155 155 150 155 150 155 1820 VECTOR WIND DIRECTION (MEAN) 294 6 256 261 248 260 347 355 263 251 276 255 266 VECTOR WIND MAGNITUDE(KNOTS) 4.1 1.1 6.2 5.0 5.4 4.1 0.7 0.8 1.5 2.3 3.2 3.0 2.8 WIND STEADINESES (MEAN %) 50.0 13.9 71.3 67.6 84.4 74.5 12.3 12.9 26.8 42.6 68.1 57.7 43.7 WIND SPEED (MEAN KNOTS) 8.2 7.9 8.7 7.4 6.4 5.5 5.7 6.2 5.6 5.4 4.7 5.2 6.4 FASTEST WIND DIRECTION 290 320 270 290 260 250 230 290 180 60 280 170 290 FASTEST WIND SPEED (KNOTS) 31 25 31 31 19 16 19 16 16 16 19 19 31 DAY 19 24 23 24 10 7 24 8 2 3 15 20 DAYS WITH SKY CLEAR (0-2)/8 14 10 22 16 31 29 19 30 30 30 24 20 275 DAYS WITH P.CLOUDY (3-6)/8 12 11 5 11 0 0 11 1 0 1 6 10 68 DAYS WITH CLOUDY (7-8)/8 5 8 3 3 0 0 1 0 0 0 0 1 21 DAYS WITH VISIBILITY =< 2 KM 0 0 3 2 2 0 0 0 1 2 0 0 10 DURATION OF SUNSHINE HOURS 238.0 183.0 220.3 237.7 340.5 332.4 258.7 301.0 279.5 299.7 272.5 237.3 3200.6 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION JAZIREH ABOMOOSA (40890) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 25 50 N LONGITUDE 54 50 E DATA PROCESSING CENTER ELEVATION 6.6 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 1017.0 1014.5 1011.3 1009.4 1003.9 998.6 995.5 997.7 1003.3 1010.5 1015.4 1016.6 1007.8 MAX. QFE PRESSURE IN HPA 1023.3 1019.8 1016.6 1015.1 1009.7 1004.9 1000.2 1004.7 1010.3 1015.2 1019.9 1023.6 1023.6 DAY-HOUR 3- 6 20- 6 17- 6 8- 6 3- 6 1- 6 11- 6 31- 6 14- 6 17- 6 26- 6 30- 6 MIN. QFE PRESSURE IN HPA 1011.2 1008.2 1002.8 1003.2 1000.0 994.0 989.8 991.8 998.4 1004.2 1011.5 1010.7 989.8 DAY-HOUR 26-12 17-12 23-12 23-15 23-12 30-15 14-15 2-15 8-12 7-12 18-12 8-12 MEAN QNH PRESSURE IN HPA 1017.5 1015.0 1011.7 1009.8 1004.4 999.1 996.0 998.2 1003.8 1011.0 1015.9 1017.1 1008.3 MAX. QNH PRESSURE IN HPA 1023.8 1020.3 1017.1 1015.6 1010.2 1005.4 1000.7 1005.2 1010.8 1015.7 1020.4 1024.1 1024.1 DAY-HOUR 3- 6 20- 6 17- 6 8- 6 3- 6 1- 6 11- 6 31- 6 14- 6 17- 6 26- 6 30- 6 MIN. QNH PRESSURE IN HPA 1011.7 1008.7 1003.3 1003.7 1000.5 994.5 990.3 992.3 998.9 1004.7 1012.0 1011.2 990.3 DAY-HOUR 26-12 17-12 23-12 23-15 23-12 30-15 14-15 2-15 8-12 7-12 18-12 8-12 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 1017.0 1014.4 1011.0 1008.9 1003.8 998.6 996.0 998.0 1003.5 1010.4 1015.5 1016.6 1007.8 MAX. QFE PRESSURE IN HPA 1021.7 1018.6 1015.0 1012.9 1007.3 1003.7 999.6 1003.2 1008.4 1013.8 1018.4 1022.5 1022.5 DAY 3 20 17 27 3 1 12 31 14 17 27 30 MIN. QFE PRESSURE IN HPA 1013.3 1011.3 1005.5 1003.9 1001.1 994.8 992.0 993.8 999.8 1005.7 1012.3 1011.4 992.0 DAY 26 18 23 23 23 24 18 2 9 7 18 27 MEAN QNH PRESSURE IN HPA 1017.5 1014.9 1011.5 1009.4 1004.3 999.1 996.5 998.5 1003.9 1010.9 1016.0 1017.1 1008.3 MAX. QNH PRESSURE IN HPA 1022.2 1019.1 1015.5 1013.4 1007.8 1004.2 1000.1 1003.7 1008.9 1014.3 1018.9 1023.0 1023.0 DAY 3 20 17 27 3 1 12 31 14 17 27 30 MIN. QNH PRESSURE IN HPA 1013.8 1011.8 1006.0 1004.4 1001.6 995.3 992.5 994.3 1000.3 1006.2 1012.8 1011.9 992.5 DAY 26 18 23 23 23 24 18 2 9 7 18 27 MEAN QFF PRESSURE IN HPA 1017.8 1015.2 1011.9 1009.7 1004.5 999.2 996.7 998.7 1004.2 1011.2 1016.3 1017.4 1008.6 MAX. QFF PRESSURE IN HPA 1022.5 1019.4 1015.8 1013.7 1008.0 1004.4 1000.3 1003.9 1009.1 1014.5 1019.2 1023.3 1023.3 DAY 3 20 17 27 3 1 12 31 14 17 27 30 MIN. QFF PRESSURE IN HPA 1014.1 1012.1 1006.2 1004.6 1001.8 995.5 992.7 994.5 1000.5 1006.4 1013.0 1012.2 992.7 DAY 27 18 23 23 23 24 18 2 9 7 18 27 ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION JAZIREH ABOMOOSA (40890) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 25 50 N LONGITUDE 54 50 E DATA PROCESSING CENTER ELEVATION 6.6 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 1018.6 1016.3 1012.7 1010.6 1005.1 999.7 996.9 999.2 1005.0 1012.1 1017.2 1018.3 1009.3 MAX. QFE PRESSURE IN HPA 1023.3 1019.8 1016.6 1015.1 1009.7 1004.9 1000.2 1004.7 1010.3 1015.2 1019.9 1023.6 1023.6 DAY 3 20 17 8 3 1 11 31 14 17 26 30 MIN. QFE PRESSURE IN HPA 1014.5 1011.5 1007.5 1005.5 1002.4 995.6 993.2 994.0 1001.6 1006.8 1014.1 1013.0 993.2 DAY 26 17 23 23 23 24 18 2 3 7 18 8 MEAN QNH PRESSURE IN HPA 1019.1 1016.8 1013.2 1011.1 1005.6 1000.2 997.4 999.7 1005.5 1012.6 1017.7 1018.8 1009.8 MAX. QNH PRESSURE IN HPA 1023.8 1020.3 1017.1 1015.6 1010.2 1005.4 1000.7 1005.2 1010.8 1015.7 1020.4 1024.1 1024.1 DAY 3 20 17 8 3 1 11 31 14 17 26 30 MIN. QNH PRESSURE IN HPA 1015.0 1012.0 1008.0 1006.0 1002.9 996.1 993.7 994.5 1002.1 1007.3 1014.6 1013.5 993.7 DAY 26 17 23 23 23 24 18 2 3 7 18 8 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 1017.5 1015.4 1012.0 1010.4 1004.7 999.4 996.3 998.5 1003.9 1010.9 1015.6 1016.6 1008.4 MAX. QFE PRESSURE IN HPA 1022.0 1019.1 1016.0 1014.5 1009.5 1004.5 999.3 1004.1 1009.0 1013.7 1018.4 1021.7 1022.0 DAY 3 20 17 4 3 1 11 31 14 16 26 30 MIN. QFE PRESSURE IN HPA 1012.8 1009.8 1005.3 1005.3 1001.7 994.9 992.8 993.8 1000.5 1005.6 1012.7 1011.2 992.8 DAY 26 17 23 24 23 24 18 2 8 7 17 8 MEAN QNH PRESSURE IN HPA 1018.0 1015.9 1012.5 1010.9 1005.2 999.8 996.8 999.0 1004.4 1011.3 1016.1 1017.1 1008.9 MAX. QNH PRESSURE IN HPA 1022.5 1019.6 1016.5 1015.0 1010.0 1005.0 999.8 1004.6 1009.5 1014.2 1018.9 1022.2 1022.5 DAY 3 20 17 4 3 1 11 31 14 16 26 30 MIN. QNH PRESSURE IN HPA 1013.3 1010.3 1005.8 1005.8 1002.2 995.4 993.3 994.3 1001.0 1006.1 1013.2 1011.7 993.3 DAY 26 17 23 24 23 24 18 2 8 7 17 8 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 1015.8 1013.2 1010.2 1008.5 1003.2 997.9 994.5 996.6 1002.1 1009.4 1014.1 1015.5 1006.8 MAX. QFE PRESSURE IN HPA 1020.0 1017.1 1013.4 1012.7 1007.7 1002.8 997.4 1001.8 1007.4 1012.8 1016.6 1020.8 1020.8 DAY 3 20 17 3 2 1 11 31 14 16 25 29 MIN. QFE PRESSURE IN HPA 1011.2 1008.2 1002.8 1003.6 1000.0 994.2 991.3 992.1 998.4 1004.2 1011.5 1010.7 991.3 DAY 26 17 23 23 23 24 14 2 8 7 18 8 MEAN QNH PRESSURE IN HPA 1016.3 1013.7 1010.6 1009.0 1003.7 998.4 995.0 997.1 1002.6 1009.9 1014.6 1016.0 1007.2 MAX. QNH PRESSURE IN HPA 1020.5 1017.6 1013.9 1013.2 1008.2 1003.3 997.9 1002.3 1007.9 1013.3 1017.1 1021.3 1021.3 DAY 3 20 17 3 2 1 11 31 14 16 25 29 MIN. QNH PRESSURE IN HPA 1011.7 1008.7 1003.3 1004.1 1000.5 994.7 991.8 992.6 998.9 1004.7 1012.0 1011.2 991.8 DAY 26 17 23 23 23 24 14 2 8 7 18 8 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2002,MAY M.(S & A) STATION JAZIREH ABOMOOSA (40890) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 25 50 N LONGITUDE 54 50 E DATA PROCESSING CENTER ELEVATION 6.6 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 1016.4 1013.5 1010.4 1008.3 1002.8 997.4 993.8 996.2 1002.1 1009.7 1014.8 1016.1 1006.8 MAX. QFE PRESSURE IN HPA 1020.6 1018.0 1014.0 1012.7 1007.2 1002.5 996.8 1001.0 1006.8 1013.5 1017.6 1021.0 1021.0 DAY 3 20 2 3 2 1 11 30 14 16 25 2 MIN. QFE PRESSURE IN HPA 1011.5 1008.4 1003.1 1003.2 1000.4 994.0 989.8 991.8 998.7 1004.5 1012.2 1010.9 989.8 DAY 26 17 23 23 23 30 14 2 2 7 22 7 MEAN QNH PRESSURE IN HPA 1016.9 1014.0 1010.9 1008.8 1003.2 997.9 994.2 996.7 1002.6 1010.2 1015.3 1016.6 1007.3 MAX. QNH PRESSURE IN HPA 1021.1 1018.5 1014.5 1013.2 1007.7 1003.0 997.3 1001.5 1007.3 1014.0 1018.1 1021.5 1021.5 DAY 3 20 2 3 2 1 11 30 14 16 25 2 MIN. QNH PRESSURE IN HPA 1012.0 1008.9 1003.6 1003.7 1000.9 994.5 990.3 992.3 999.2 1005.0 1012.7 1011.4 990.3 DAY 26 17 23 23 23 30 14 2 2 7 22 7 MEAN QFF PRESSURE IN HPA 1017.2 1014.3 1011.2 1009.0 1003.5 998.1 994.5 996.9 1002.8 1010.4 1015.5 1016.8 1007.5 MAX. QFF PRESSURE IN HPA 1021.4 1018.8 1014.8 1013.5 1007.9 1003.2 997.5 1001.7 1007.5 1014.2 1018.4 1021.8 1021.8 DAY 3 20 2 3 2 1 11 30 14 16 25 2 MIN. QFF PRESSURE IN HPA 1012.3 1009.2 1003.8 1003.9 1001.1 994.7 990.5 992.5 999.4 1005.2 1013.0 1011.7 990.5 DAY 26 17 23 23 23 30 14 2 2 7 22 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 2002,MAY M.(S & A) STATION JAZIREH ABOMOOSA (40890) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 25 50 N LONGITUDE 54 50 E DATA PROCESSING CENTER ELEVATION 6.6 M MEANS AND EXTREMES FOR THE YEAR 1989 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 19.7 20.0 22.3 24.8 29.1 32.0 34.5 34.5 32.5 30.7 27.7 22.4 27.5 MINIMUN AIR TEMPERATURE (C) 16.0 16.2 18.3 21.3 24.8 27.6 30.5 30.3 27.9 26.1 24.0 19.4 23.5 DAYS WITH MINIMUM TEMP. >=21 0 0 4 17 29 30 31 31 30 31 27 6 236 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) 11.0 13.6 11.6 15.8 19.2 25.4 27.2 28.4 24.5 22.4 20.0 16.0 11.0 DAY 21 3 3 3 3 1 2 17 28 31 29 26 MAXIMUM AIR TEMPERATURE (C) 22.1 22.3 24.8 27.3 31.7 34.8 37.2 37.0 35.2 33.4 30.0 24.5 30.0 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 5 28 30 31 31 30 31 19 0 205 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 24.8 27.8 29.6 32.2 34.6 39.0 42.0 38.8 36.8 35.6 33.5 28.0 42.0 DAY 2 22 10 24 24 22 21 29 4 5 13 1 DIF. BETWEEN (MAX.-MIN.) (C) 6.1 6.1 6.5 6.0 6.9 7.2 6.7 6.7 7.3 7.3 6.0 5.1 6.5 MEAN DAILY TEMP. (MDT) (C) 19.0 19.2 21.6 24.3 28.3 31.2 33.9 33.7 31.5 29.8 27.0 21.9 26.8 COOLING DEG. DAYS(BASE 21 0C) 3.5 1.6 30.5 102.0 225.5 305.1 398.9 393.2 316.2 271.8 180.3 35.1 2264.0 HEATING DEG. DAYS(BASE 18 0C) 4.9 3.7 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 8.9 DEWPOINT (MEAN C) 9.2 11.0 16.2 19.7 22.9 25.7 26.8 27.3 25.0 22.3 18.6 14.2 19.9 MIXING RATIO (G/KG) 7.33 8.43 11.74 14.67 18.08 21.47 23.05 23.51 20.53 17.30 13.57 10.25 15.83 VAPOUR PRESSURE (HPA) 11.84 13.59 18.74 23.27 28.37 33.33 35.61 36.37 32.06 27.31 21.67 16.49 24.89 SATURATION DEF. (HPA) 11.33 9.92 8.36 8.45 12.17 14.47 19.41 18.52 17.28 17.22 15.67 10.76 13.63 RELATIVE HUMIDITY (MEAN %) 51 58 70 74 71 71 66 67 66 62 59 61 65 RELATIVE HUMIDITY (MAX. %) 61 71 83 86 85 87 84 83 81 77 71 70 78 RELATIVE HUMIDITY (MIN. %) 45 49 60 66 59 60 54 56 56 54 51 54 55 RELATIVE HUMIDITY (MEAN% 03UTC) 60 69 81 85 84 86 84 82 81 77 70 68 77 RELATIVE HUMIDITY (MEAN% 09UTC) 48 53 64 69 65 66 60 60 59 57 53 58 59 RELATIVE HUMIDITY (MEAN% 15UTC) 51 60 72 75 71 72 65 67 68 62 60 63 66 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 0.0 8.4 39.3 8.6 0.0 0.0 0.0 0.0 0.2 0.0 0.0 135.0 191.5 DAYS WITH PRECIPITATION >=10 0 0 2 0 0 0 0 0 0 0 0 4 6 DAYS WITH PRECIPITATION >= 5 0 1 2 0 0 0 0 0 0 0 0 4 7 DAYS WITH PRECIPITATION >= 1 0 4 6 4 0 0 0 0 0 0 0 5 19 DAYS WITH PRECIPITATION 0 6 6 5 0 0 0 1 1 0 1 5 25 GREATEST DAILY PRECIPITATION 0.0 5.0 16.0 3.2 0.0 0.0 0.0 0.0 0.2 0.0 0.0 51.0 51.0 DAY ** 3 17 29 **