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 ** ** ** ** 20 ** ** 15 DAY WITH THUNDER STORM 0 0 3 1 0 0 0 0 0 0 2 5 11 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 4 3 4 6 4 11 6 1 5 1 4 1 50 WIND DIRECTION (PREVAILING) 270 270 270 270 270 225 45 45 270 270 270 270 270 PREVAILING WIND SPEED(KNOTS) 12.6 11.4 9.3 9.3 9.4 8.7 10.8 9.1 7.8 7.4 10.9 11.3 9.9 PREVAILING WIND PERCENT 49.0 33.6 30.3 34.7 29.7 26.0 16.8 25.2 20.7 25.8 28.0 27.1 27.3 CALMS PERCENT OF WIND 19.4 16.4 20.6 19.3 12.3 13.3 16.1 32.3 18.7 21.3 22.0 28.4 20.1 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 277 317 257 255 247 252 41 21 261 267 282 287 274 VECTOR WIND MAGNITUDE(KNOTS) 6.3 3.5 3.5 4.9 4.3 3.8 1.2 2.1 1.2 3.2 3.7 2.8 2.8 WIND STEADINESES (MEAN %) 75.0 41.7 51.5 72.1 55.8 52.8 20.0 40.4 18.7 58.2 52.1 36.8 40.6 WIND SPEED (MEAN KNOTS) 8.4 8.4 6.8 6.8 7.7 7.2 6.0 5.2 6.4 5.5 7.1 7.6 6.9 FASTEST WIND DIRECTION 280 280 180 290 30 260 40 40 160 260 360 210 280 FASTEST WIND SPEED (KNOTS) 31 29 25 25 21 17 19 16 14 14 25 23 31 DAY 15 14 16 29 1 23 21 31 1 5 8 5 DAYS WITH SKY CLEAR (0-2)/8 18 17 16 13 31 30 27 27 30 31 20 13 273 DAYS WITH P.CLOUDY (3-6)/8 11 7 9 8 0 0 4 3 0 0 10 14 66 DAYS WITH CLOUDY (7-8)/8 2 4 6 9 0 0 0 1 0 0 0 4 26 DAYS WITH VISIBILITY =< 2 KM 1 2 8 7 1 6 5 0 4 1 1 1 37 DURATION OF SUNSHINE HOURS 239.1 213.4 225.3 226.5 304.7 308.0 297.4 270.1 282.4 286.7 271.8 216.1 3141.5 ======================================================================================================================= 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 1989 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1017.0 1017.3 1012.1 1011.0 1005.5 999.6 997.3 998.9 1004.3 1010.8 1015.7 1017.4 1008.9 MAX. QFE PRESSURE IN HPA 1021.8 1023.8 1020.0 1020.4 1012.8 1006.0 1002.1 1003.2 1011.4 1017.7 1021.4 1022.2 1023.8 DAY-HOUR 19- 6 8- 6 31- 9 1- 6 3- 6 2- 6 11- 6 31- 6 24- 6 27- 6 30- 6 2- 6 MIN. QFE PRESSURE IN HPA 1013.4 1010.3 1007.6 1003.6 999.4 994.4 993.2 993.8 999.9 1004.9 1011.4 1013.7 993.2 DAY-HOUR 6- 3 22-15 15-12 23-12 27-15 29-15 25-15 1-12 8-12 10-12 4-12 23-12 MEAN QNH PRESSURE IN HPA 1017.5 1017.8 1012.6 1011.5 1006.0 1000.1 997.8 999.4 1004.8 1011.3 1016.2 1017.9 1009.4 MAX. QNH PRESSURE IN HPA 1022.3 1024.3 1020.5 1020.9 1013.3 1006.5 1002.6 1003.7 1011.9 1018.2 1021.9 1022.7 1024.3 DAY-HOUR 19- 6 8- 6 31- 9 1- 6 3- 6 2- 6 11- 6 31- 6 24- 6 27- 6 30- 6 2- 6 MIN. QNH PRESSURE IN HPA 1013.9 1010.8 1008.1 1004.1 999.9 994.9 993.7 994.3 1000.4 1005.4 1011.9 1014.2 993.7 DAY-HOUR 6- 3 22-15 15-12 23-12 27-15 29-15 25-15 1-12 8-12 10-12 4-12 23-12 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 1016.7 1017.0 1011.8 1010.7 1005.4 999.7 997.6 999.1 1004.4 1010.7 1015.6 1017.4 1008.8 MAX. QFE PRESSURE IN HPA 1019.4 1022.2 1018.2 1019.6 1011.1 1004.6 1001.4 1001.6 1009.8 1015.5 1019.4 1020.4 1022.2 DAY 10 8 31 1 5 2 9 31 24 27 30 1 MIN. QFE PRESSURE IN HPA 1013.4 1012.5 1008.0 1004.1 999.8 995.9 994.5 994.6 1000.7 1006.6 1011.9 1013.8 994.5 DAY 6 14 16 23 28 8 24 1 6 11 4 15 MEAN QNH PRESSURE IN HPA 1017.2 1017.5 1012.3 1011.2 1005.9 1000.1 998.0 999.5 1004.9 1011.2 1016.1 1017.9 1009.3 MAX. QNH PRESSURE IN HPA 1019.9 1022.7 1018.7 1020.1 1011.6 1005.1 1001.9 1002.1 1010.3 1016.0 1019.9 1020.9 1022.7 DAY 10 8 31 1 5 2 9 31 24 27 30 1 MIN. QNH PRESSURE IN HPA 1013.9 1013.0 1008.5 1004.6 1000.3 996.4 995.0 995.1 1001.2 1007.1 1012.4 1014.3 995.0 DAY 6 14 16 23 28 8 24 1 6 11 4 15 MEAN QFF PRESSURE IN HPA 1017.5 1017.8 1012.6 1011.4 1006.2 1000.4 998.3 999.8 1005.1 1011.4 1016.3 1018.1 1009.6 MAX. QFF PRESSURE IN HPA 1020.2 1023.0 1019.0 1020.4 1011.9 1005.3 1002.1 1002.3 1010.5 1016.2 1020.2 1021.2 1023.0 DAY 10 8 31 1 5 2 9 31 24 27 30 1 MIN. QFF PRESSURE IN HPA 1014.2 1013.3 1008.8 1004.8 1000.5 996.6 995.2 995.3 1001.4 1007.3 1012.6 1014.6 995.2 DAY 6 14 16 23 28 8 24 1 6 11 4 15 ======================================================================================================================= 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 PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1018.8 1018.9 1013.6 1012.5 1006.9 1000.9 998.6 1000.3 1005.9 1012.4 1017.4 1019.0 1010.4 MAX. QFE PRESSURE IN HPA 1021.8 1023.8 1019.9 1020.4 1012.8 1006.0 1002.1 1003.2 1011.4 1017.7 1021.4 1022.2 1023.8 DAY 19 8 31 1 3 2 11 31 24 27 30 2 MIN. QFE PRESSURE IN HPA 1016.0 1013.6 1010.0 1006.1 1001.9 997.2 995.4 995.8 1002.5 1007.5 1013.9 1016.2 995.4 DAY 6 22 15 23 28 7 24 1 8 11 4 21 MEAN QNH PRESSURE IN HPA 1019.3 1019.4 1014.1 1013.0 1007.3 1001.3 999.1 1000.8 1006.4 1012.9 1017.9 1019.5 1010.9 MAX. QNH PRESSURE IN HPA 1022.3 1024.3 1020.4 1020.9 1013.3 1006.5 1002.6 1003.7 1011.9 1018.2 1021.9 1022.7 1024.3 DAY 19 8 31 1 3 2 11 31 24 27 30 2 MIN. QNH PRESSURE IN HPA 1016.5 1014.1 1010.5 1006.6 1002.4 997.7 995.9 996.3 1003.0 1008.0 1014.4 1016.7 995.9 DAY 6 22 15 23 28 7 24 1 8 11 4 21 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 1017.9 1012.7 1011.9 1006.4 1000.4 998.1 999.6 1004.9 1011.2 1015.7 1017.3 1009.5 MAX. QFE PRESSURE IN HPA 1020.3 1022.7 1020.0 1019.0 1012.1 1005.3 1001.4 1002.4 1009.8 1016.0 1019.4 1020.3 1022.7 DAY 19 8 31 1 3 2 11 31 24 27 30 2 MIN. QFE PRESSURE IN HPA 1015.1 1013.2 1008.9 1005.2 1001.3 996.5 994.9 995.2 1001.6 1006.1 1012.5 1014.5 994.9 DAY 6 22 15 23 27 7 26 1 8 11 4 5 MEAN QNH PRESSURE IN HPA 1018.0 1018.4 1013.2 1012.4 1006.9 1000.8 998.6 1000.0 1005.4 1011.7 1016.2 1017.8 1009.9 MAX. QNH PRESSURE IN HPA 1020.8 1023.2 1020.5 1019.5 1012.6 1005.8 1001.9 1002.9 1010.3 1016.5 1019.9 1020.8 1023.2 DAY 19 8 31 1 3 2 11 31 24 27 30 2 MIN. QNH PRESSURE IN HPA 1015.6 1013.7 1009.4 1005.7 1001.8 997.0 995.4 995.7 1002.1 1006.6 1013.0 1015.0 995.4 DAY 6 22 15 23 27 7 26 1 8 11 4 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 1015.9 1016.3 1011.0 1010.2 1004.8 998.9 996.5 998.0 1003.3 1009.7 1014.6 1016.4 1008.0 MAX. QFE PRESSURE IN HPA 1018.5 1021.3 1018.6 1016.9 1010.5 1003.2 1000.0 1000.9 1007.9 1014.6 1018.7 1018.9 1021.3 DAY 19 8 31 1 4 2 10 31 29 27 30 18 MIN. QFE PRESSURE IN HPA 1013.6 1010.6 1007.6 1003.6 999.8 995.4 993.6 993.8 999.9 1004.9 1011.4 1013.7 993.6 DAY 6 22 15 23 27 29 25 1 8 10 4 23 MEAN QNH PRESSURE IN HPA 1016.3 1016.8 1011.5 1010.7 1005.3 999.4 997.0 998.4 1003.8 1010.2 1015.1 1016.9 1008.4 MAX. QNH PRESSURE IN HPA 1019.0 1021.8 1019.1 1017.4 1011.0 1003.7 1000.5 1001.4 1008.4 1015.1 1019.2 1019.4 1021.8 DAY 19 8 31 1 4 2 10 31 29 27 30 18 MIN. QNH PRESSURE IN HPA 1014.1 1011.1 1008.1 1004.1 1000.3 995.9 994.1 994.3 1000.4 1005.4 1011.9 1014.2 994.1 DAY 6 22 15 23 27 29 25 1 8 10 4 23 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 PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1016.4 1016.6 1011.3 1010.0 1004.4 998.4 996.0 997.6 1003.1 1010.0 1015.2 1017.2 1008.0 MAX. QFE PRESSURE IN HPA 1019.0 1021.3 1018.8 1016.8 1010.0 1003.2 999.1 1000.4 1007.6 1015.0 1020.0 1019.8 1021.3 DAY 19 8 31 1 4 2 10 31 29 27 30 18 MIN. QFE PRESSURE IN HPA 1014.2 1010.3 1007.6 1003.8 999.4 994.4 993.2 993.8 1000.2 1005.2 1011.8 1014.4 993.2 DAY 5 22 15 23 27 29 25 1 1 11 4 23 MEAN QNH PRESSURE IN HPA 1016.9 1017.1 1011.8 1010.5 1004.9 998.9 996.5 998.1 1003.5 1010.5 1015.7 1017.7 1008.5 MAX. QNH PRESSURE IN HPA 1019.5 1021.8 1019.3 1017.3 1010.5 1003.7 999.6 1000.9 1008.1 1015.5 1020.5 1020.3 1021.8 DAY 19 8 31 1 4 2 10 31 29 27 30 18 MIN. QNH PRESSURE IN HPA 1014.7 1010.8 1008.1 1004.3 999.9 994.9 993.7 994.3 1000.7 1005.7 1012.3 1014.9 993.7 DAY 5 22 15 23 27 29 25 1 1 11 4 23 MEAN QFF PRESSURE IN HPA 1017.1 1017.4 1012.1 1010.8 1005.1 999.1 996.7 998.4 1003.8 1010.7 1016.0 1017.9 1008.8 MAX. QFF PRESSURE IN HPA 1019.8 1022.1 1019.6 1017.6 1010.8 1003.9 999.8 1001.1 1008.3 1015.7 1020.8 1020.6 1022.1 DAY 19 8 31 1 4 2 10 31 29 27 30 18 MIN. QFF PRESSURE IN HPA 1015.0 1011.1 1008.4 1004.5 1000.1 995.1 993.9 994.5 1000.9 1005.9 1012.5 1015.2 993.9 DAY 5 22 15 23 27 29 25 1 1 11 4 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 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 1990 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 20.5 21.0 23.0 26.0 30.1 32.1 34.1 34.3 32.9 31.0 27.3 24.3 28.1 MINIMUN AIR TEMPERATURE (C) 18.0 18.3 19.6 22.6 25.4 27.9 30.2 31.1 29.4 26.7 23.0 21.1 24.4 DAYS WITH MINIMUM TEMP. >=21 1 1 8 23 31 30 31 31 30 31 28 17 262 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) 14.0 13.4 14.6 18.0 22.4 24.8 27.0 28.4 27.6 23.6 20.4 12.4 12.4 DAY 23 1 6 11 15 2 10 22 27 29 24 30 MAXIMUM AIR TEMPERATURE (C) 22.5 23.1 25.4 28.5 32.8 34.7 36.8 36.8 35.2 33.5 29.9 26.4 30.5 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 7 31 30 31 30 29 31 13 0 202 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 25.0 26.0 28.4 33.6 38.4 39.6 40.2 39.4 36.6 35.8 34.2 29.6 40.2 DAY 9 22 14 29 31 1 26 3 1 5 15 6 DIF. BETWEEN (MAX.-MIN.) (C) 4.5 4.8 5.8 5.9 7.4 6.8 6.6 5.7 5.8 6.8 6.9 5.3 6.1 MEAN DAILY TEMP. (MDT) (C) 20.2 20.7 22.5 25.5 29.1 31.3 33.5 33.9 32.3 30.1 26.5 23.7 27.5 COOLING DEG. DAYS(BASE 21 0C) 7.7 13.4 50.1 136.9 251.6 308.5 388.3 388.7 328.5 282.1 163.6 92.0 2411.8 HEATING DEG. DAYS(BASE 18 0C) 0.2 0.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.6 1.4 DEWPOINT (MEAN C) 11.9 13.8 15.7 19.5 24.0 26.0 26.7 27.5 26.6 22.2 18.4 14.6 20.6 MIXING RATIO (G/KG) 8.82 10.13 11.37 14.45 19.31 21.88 22.89 23.87 22.37 17.18 13.34 10.60 16.35 VAPOUR PRESSURE (HPA) 14.23 16.24 18.20 22.90 30.16 33.92 35.33 36.90 34.81 27.15 21.30 17.01 25.68 SATURATION DEF. (HPA) 10.04 8.81 10.12 11.07 12.73 14.21 18.57 17.35 15.44 18.10 15.20 13.62 13.77 RELATIVE HUMIDITY (MEAN %) 59 65 65 69 72 72 67 69 70 61 59 56 65 RELATIVE HUMIDITY (MAX. %) 70 78 79 82 88 86 83 83 84 77 73 66 79 RELATIVE HUMIDITY (MIN. %) 51 54 54 58 60 60 55 58 62 52 51 48 55 RELATIVE HUMIDITY (MEAN% 03UTC) 67 76 77 80 87 85 82 83 84 77 72 65 78 RELATIVE HUMIDITY (MEAN% 09UTC) 53 59 57 62 65 64 60 62 63 55 53 50 59 RELATIVE HUMIDITY (MEAN% 15UTC) 61 64 69 71 73 73 68 71 72 61 61 59 67 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 11.8 84.8 0.0 16.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 113.0 DAYS WITH PRECIPITATION >=10 0 2 0 0 0 0 0 0 0 0 0 0 2 DAYS WITH PRECIPITATION >= 5 1 2 0 2 0 0 0 0 0 0 0 0 5 DAYS WITH PRECIPITATION >= 1 2 3 0 3 0 0 0 0 0 0 0 0 8 DAYS WITH PRECIPITATION 6 8 1 4 0 0 0 0 0 0 0 0 19 GREATEST DAILY PRECIPITATION 7.0 65.0 0.0 9.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 65.0 DAY 15 10 ** 1 ** ** ** ** ** ** ** ** DAY WITH THUNDER STORM 0 2 0 1 0 0 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 10 7 7 11 9 5 4 6 1 3 0 8 71 WIND DIRECTION (PREVAILING) 270 270 270 270 270 225 270 45 270 270 270 270 270 PREVAILING WIND SPEED(KNOTS) 11.1 12.8 12.0 11.8 10.7 9.2 10.5 9.1 6.5 8.9 8.8 10.6 10.6 PREVAILING WIND PERCENT 39.4 35.7 35.5 33.3 30.3 38.0 21.3 19.4 14.0 27.1 21.3 29.7 26.6 CALMS PERCENT OF WIND 20.6 17.9 20.6 10.7 16.8 14.0 20.6 23.9 28.0 24.5 34.0 14.8 20.5 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 279 298 273 262 261 233 256 11 283 270 287 281 271 VECTOR WIND MAGNITUDE(KNOTS) 4.7 3.4 4.5 4.7 4.7 5.2 3.2 1.6 1.2 2.6 2.0 3.9 3.1 WIND STEADINESES (MEAN %) 59.5 38.2 55.6 50.0 60.3 66.7 47.8 25.4 26.1 40.6 40.8 46.4 42.5 WIND SPEED (MEAN KNOTS) 7.9 8.9 8.1 9.4 7.8 7.8 6.7 6.3 4.6 6.4 4.9 8.4 7.3 FASTEST WIND DIRECTION 280 30 280 280 280 250 290 90 240 50 260 280 280 FASTEST WIND SPEED (KNOTS) 23 25 35 27 23 17 19 19 14 19 16 31 35 DAY 30 10 28 20 13 30 3 15 2 19 8 28 DAYS WITH SKY CLEAR (0-2)/8 13 18 22 18 28 30 28 30 29 31 27 26 300 DAYS WITH P.CLOUDY (3-6)/8 12 8 8 8 3 0 3 1 1 0 3 5 52 DAYS WITH CLOUDY (7-8)/8 6 2 1 4 0 0 0 0 0 0 0 0 13 DAYS WITH VISIBILITY =< 2 KM 2 2 8 4 8 8 13 4 1 0 0 0 50 DURATION OF SUNSHINE HOURS 211.9 219.5 267.8 261.3 343.1 320.6 316.6 303.8 276.8 298.2 279.8 262.5 3361.9 ======================================================================================================================= 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 1990 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1018.3 1014.2 1014.2 1009.1 1002.6 998.9 995.9 998.8 1003.0 1011.0 1014.9 1016.2 1008.1 MAX. QFE PRESSURE IN HPA 1024.6 1021.9 1019.9 1015.7 1007.2 1004.6 1000.8 1003.0 1008.5 1016.6 1021.0 1022.7 1024.6 DAY-HOUR 20- 6 1- 6 8- 6 1- 6 7- 6 2- 6 15- 6 29- 6 27- 6 21- 6 24- 6 29- 6 MIN. QFE PRESSURE IN HPA 1013.8 1008.6 1008.6 1003.4 997.5 993.0 991.2 994.2 996.6 1004.5 1004.5 1010.6 991.2 DAY-HOUR 17-12 23-15 26-12 30-15 30-15 30-15 2-12 13-15 3-15 1-12 1-12 9-12 MEAN QNH PRESSURE IN HPA 1018.7 1014.7 1014.7 1009.6 1003.0 999.4 996.4 999.2 1003.4 1011.5 1015.4 1016.7 1008.6 MAX. QNH PRESSURE IN HPA 1025.1 1022.4 1020.4 1016.2 1007.7 1005.1 1001.3 1003.5 1009.0 1017.1 1021.5 1023.2 1025.1 DAY-HOUR 20- 6 1- 6 8- 6 1- 6 7- 6 2- 6 15- 6 29- 6 27- 6 21- 6 24- 6 29- 6 MIN. QNH PRESSURE IN HPA 1014.3 1009.1 1009.1 1003.9 998.0 993.5 991.7 994.7 997.1 1005.0 1005.0 1011.1 991.7 DAY-HOUR 17-12 23-15 26-12 30-15 30-15 30-15 2-12 13-15 3-15 1-12 1-12 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 1018.0 1014.1 1013.9 1008.7 1002.6 999.1 996.0 999.2 1003.4 1011.1 1014.9 1016.2 1008.1 MAX. QFE PRESSURE IN HPA 1022.6 1020.6 1018.3 1015.1 1005.8 1003.0 1000.1 1002.0 1007.2 1015.0 1019.7 1020.3 1022.6 DAY 20 1 8 1 3 16 15 29 27 30 24 29 MIN. QFE PRESSURE IN HPA 1014.4 1009.5 1009.6 1004.0 998.5 994.9 992.1 995.4 998.6 1006.2 1006.0 1011.8 992.1 DAY 18 24 28 16 30 30 2 14 4 1 1 15 MEAN QNH PRESSURE IN HPA 1018.5 1014.6 1014.4 1009.2 1003.1 999.6 996.5 999.6 1003.9 1011.6 1015.4 1016.7 1008.6 MAX. QNH PRESSURE IN HPA 1023.1 1021.1 1018.8 1015.6 1006.3 1003.5 1000.6 1002.5 1007.7 1015.5 1020.2 1020.8 1023.1 DAY 20 1 8 1 3 16 15 29 27 30 24 29 MIN. QNH PRESSURE IN HPA 1014.9 1010.0 1010.1 1004.5 999.0 995.4 992.6 995.9 999.1 1006.7 1006.5 1012.3 992.6 DAY 18 24 28 16 30 30 2 14 4 1 1 15 MEAN QFF PRESSURE IN HPA 1018.8 1014.8 1014.7 1009.5 1003.3 999.8 996.8 999.9 1004.1 1011.9 1015.7 1017.0 1008.9 MAX. QFF PRESSURE IN HPA 1023.4 1021.4 1019.1 1015.9 1006.5 1003.7 1000.8 1002.7 1007.9 1015.7 1020.5 1021.1 1023.4 DAY 20 1 8 1 3 16 15 29 27 30 24 29 MIN. QFF PRESSURE IN HPA 1015.2 1010.3 1010.4 1004.7 999.2 995.6 992.8 996.1 999.3 1006.9 1006.7 1012.6 992.8 DAY 18 24 28 16 30 30 2 14 4 1 1 15 ======================================================================================================================= 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 1990 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1020.0 1015.9 1015.8 1010.6 1004.0 1000.3 997.0 1000.2 1004.6 1012.8 1016.6 1018.0 1009.7 MAX. QFE PRESSURE IN HPA 1024.6 1021.9 1019.9 1015.7 1007.2 1004.6 1000.8 1003.0 1008.5 1016.6 1021.0 1022.7 1024.6 DAY 20 1 8 1 7 2 15 29 27 21 24 29 MIN. QFE PRESSURE IN HPA 1016.4 1011.5 1011.0 1005.4 999.6 995.8 993.1 996.8 999.9 1008.1 1007.9 1013.8 993.1 DAY 17 24 26 16 30 20 2 14 5 1 1 10 MEAN QNH PRESSURE IN HPA 1020.5 1016.4 1016.3 1011.1 1004.5 1000.8 997.5 1000.7 1005.1 1013.3 1017.1 1018.5 1010.1 MAX. QNH PRESSURE IN HPA 1025.1 1022.4 1020.4 1016.2 1007.7 1005.1 1001.3 1003.5 1009.0 1017.1 1021.5 1023.2 1025.1 DAY 20 1 8 1 7 2 15 29 27 21 24 29 MIN. QNH PRESSURE IN HPA 1016.9 1012.0 1011.5 1005.9 1000.1 996.3 993.6 997.3 1000.4 1008.6 1008.4 1014.3 993.6 DAY 17 24 26 16 30 20 2 14 5 1 1 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 1018.5 1014.7 1014.8 1009.9 1003.3 999.6 996.5 999.3 1003.5 1011.3 1015.0 1016.2 1008.6 MAX. QFE PRESSURE IN HPA 1022.8 1020.4 1019.2 1014.5 1006.1 1003.7 999.8 1001.7 1007.4 1015.0 1019.0 1020.5 1022.8 DAY 20 1 1 8 7 2 8 29 27 21 23 29 MIN. QFE PRESSURE IN HPA 1015.1 1010.6 1010.6 1004.7 999.2 995.1 992.9 995.5 999.0 1006.5 1006.9 1011.8 992.9 DAY 2 23 25 16 30 30 2 14 3 1 1 9 MEAN QNH PRESSURE IN HPA 1019.0 1015.2 1015.3 1010.4 1003.8 1000.1 997.0 999.8 1003.9 1011.8 1015.5 1016.7 1009.0 MAX. QNH PRESSURE IN HPA 1023.3 1020.9 1019.7 1015.0 1006.6 1004.2 1000.3 1002.2 1007.9 1015.5 1019.5 1021.0 1023.3 DAY 20 1 1 8 7 2 8 29 27 21 23 29 MIN. QNH PRESSURE IN HPA 1015.6 1011.1 1011.1 1005.2 999.7 995.6 993.4 996.0 999.5 1007.0 1007.4 1012.3 993.4 DAY 2 23 25 16 30 30 2 14 3 1 1 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 1017.1 1013.0 1013.0 1008.2 1001.6 998.1 995.1 997.6 1001.8 1009.8 1013.6 1015.0 1007.0 MAX. QFE PRESSURE IN HPA 1020.8 1017.7 1017.8 1012.8 1004.5 1002.3 998.6 999.9 1006.0 1013.8 1017.8 1018.6 1020.8 DAY 20 1 1 1 7 3 8 31 27 21 23 5 MIN. QFE PRESSURE IN HPA 1013.8 1008.8 1008.6 1003.6 997.8 993.4 991.2 994.2 997.1 1004.5 1004.5 1010.6 991.2 DAY 17 23 26 16 30 30 2 14 3 1 1 9 MEAN QNH PRESSURE IN HPA 1017.6 1013.5 1013.5 1008.7 1002.1 998.6 995.6 998.1 1002.2 1010.3 1014.1 1015.5 1007.5 MAX. QNH PRESSURE IN HPA 1021.3 1018.2 1018.3 1013.3 1005.0 1002.8 999.1 1000.4 1006.5 1014.3 1018.3 1019.1 1021.3 DAY 20 1 1 1 7 3 8 31 27 21 23 5 MIN. QNH PRESSURE IN HPA 1014.3 1009.3 1009.1 1004.1 998.3 993.9 991.7 994.7 997.6 1005.0 1005.0 1011.1 991.7 DAY 17 23 26 16 30 30 2 14 3 1 1 9 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 1990 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1017.8 1013.4 1013.3 1008.1 1001.3 997.6 994.8 997.6 1001.6 1010.3 1014.3 1015.7 1007.2 MAX. QFE PRESSURE IN HPA 1022.0 1017.9 1017.8 1012.0 1004.2 1002.0 998.5 999.6 1006.0 1013.8 1018.2 1019.6 1022.0 DAY 20 1 1 1 7 2 14 28 27 21 22 28 MIN. QFE PRESSURE IN HPA 1014.3 1008.6 1008.9 1003.4 997.5 993.0 991.7 994.2 996.6 1005.4 1005.7 1011.6 991.7 DAY 2 23 26 30 30 30 2 13 3 1 1 9 MEAN QNH PRESSURE IN HPA 1018.3 1013.9 1013.8 1008.6 1001.8 998.1 995.3 998.0 1002.1 1010.7 1014.8 1016.2 1007.6 MAX. QNH PRESSURE IN HPA 1022.5 1018.4 1018.3 1012.5 1004.7 1002.5 999.0 1000.1 1006.5 1014.3 1018.7 1020.1 1022.5 DAY 20 1 1 1 7 2 14 28 27 21 22 28 MIN. QNH PRESSURE IN HPA 1014.8 1009.1 1009.4 1003.9 998.0 993.5 992.2 994.7 997.1 1005.9 1006.2 1012.1 992.2 DAY 2 23 26 30 30 30 2 13 3 1 1 9 MEAN QFF PRESSURE IN HPA 1018.5 1014.2 1014.1 1008.9 1002.0 998.3 995.6 998.3 1002.4 1011.0 1015.0 1016.5 1007.9 MAX. QFF PRESSURE IN HPA 1022.8 1018.7 1018.6 1012.8 1004.9 1002.7 999.2 1000.3 1006.7 1014.6 1019.0 1020.4 1022.8 DAY 20 1 1 1 7 2 14 28 27 29 22 28 MIN. QFF PRESSURE IN HPA 1015.1 1009.4 1009.7 1004.1 998.2 993.7 992.4 994.9 997.3 1006.1 1006.4 1012.4 992.4 DAY 2 23 26 30 30 30 2 13 3 1 1 9 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 1991 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 21.7 21.2 22.6 26.4 27.9 30.9 32.5 33.1 32.0 29.3 26.3 22.6 27.2 MINIMUN AIR TEMPERATURE (C) 18.7 18.3 19.9 22.6 24.8 26.6 28.9 30.0 28.3 24.9 22.3 19.1 23.7 DAYS WITH MINIMUM TEMP. >=21 5 2 9 27 31 30 31 30 30 30 21 9 255 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 13.4 16.6 19.6 22.0 23.4 26.6 27.6 24.0 23.0 18.4 15.0 13.4 DAY 17 14 5 16 2 8 6 28 30 18 18 24 MAXIMUM AIR TEMPERATURE (C) 23.9 23.3 24.8 29.1 30.4 33.8 35.0 35.7 34.6 31.7 28.8 24.9 29.7 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 11 19 30 31 30 30 31 7 0 189 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 26.8 27.8 29.0 33.0 34.0 38.6 39.0 39.0 36.6 33.6 31.0 28.6 39.0 DAY 24 1 26 26 18 20 23 11 3 15 2 2 DIF. BETWEEN (MAX.-MIN.) (C) 5.2 5.0 4.9 6.5 5.6 7.2 6.1 5.7 6.3 6.8 6.5 5.8 6.0 MEAN DAILY TEMP. (MDT) (C) 21.3 20.8 22.4 25.9 27.6 30.2 32.0 32.8 31.4 28.3 25.5 22.0 26.7 COOLING DEG. DAYS(BASE 21 0C) 21.1 19.4 48.3 145.8 205.9 275.9 339.6 342.7 312.6 219.7 131.4 43.7 2106.2 HEATING DEG. DAYS(BASE 18 0C) 0.0 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3 DEWPOINT (MEAN C) 13.3 12.0 16.2 19.9 21.4 24.3 27.3 27.2 25.5 23.2 17.4 15.7 20.3 MIXING RATIO (G/KG) 9.86 9.16 11.78 14.90 16.27 19.68 23.63 23.40 20.97 18.19 12.55 11.39 15.98 VAPOUR PRESSURE (HPA) 15.83 14.71 18.79 23.57 25.61 30.63 36.43 36.18 32.77 28.70 20.08 18.26 25.13 SATURATION DEF. (HPA) 10.26 10.57 8.80 11.02 12.16 14.53 12.72 14.55 14.97 12.39 14.44 9.49 12.16 RELATIVE HUMIDITY (MEAN %) 60 58 68 69 68 70 75 72 70 71 59 66 67 RELATIVE HUMIDITY (MAX. %) 71 69 82 86 81 88 90 87 85 86 72 79 81 RELATIVE HUMIDITY (MIN. %) 52 50 57 56 59 57 64 62 59 61 51 56 57 RELATIVE HUMIDITY (MEAN% 03UTC) 69 68 80 84 79 87 90 87 85 86 71 77 80 RELATIVE HUMIDITY (MEAN% 09UTC) 55 52 63 62 62 62 70 66 60 64 52 60 61 RELATIVE HUMIDITY (MEAN% 15UTC) 63 59 68 71 73 73 76 73 72 72 63 70 69 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 13.1 5.4 38.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 13.0 76.1 146.2 DAYS WITH PRECIPITATION >=10 1 0 1 0 0 0 0 0 0 0 1 2 5 DAYS WITH PRECIPITATION >= 5 1 0 1 0 0 0 0 0 0 0 1 5 8 DAYS WITH PRECIPITATION >= 1 3 2 3 0 0 0 0 0 0 0 2 5 15 DAYS WITH PRECIPITATION 6 5 7 1 0 0 0 0 0 0 2 6 27 GREATEST DAILY PRECIPITATION 10.0 4.0 30.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 10.0 30.0 30.6 DAY 15 9 6 ** ** ** ** ** ** ** 24 5 DAY WITH THUNDER STORM 3 0 3 1 0 0 0 0 0 0 1 5 13 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 5 10 11 9 13 11 7 3 9 4 2 6 90 WIND DIRECTION (PREVAILING) 270 45 270 270 225 225 225 45 225 270 270 45 270 PREVAILING WIND SPEED(KNOTS) 14.1 12.5 13.9 13.1 10.2 9.3 9.3 9.1 9.3 7.5 8.0 10.1 11.3 PREVAILING WIND PERCENT 24.5 29.3 24.5 26.7 46.5 29.3 24.5 40.6 25.3 19.4 24.0 27.7 18.7 CALMS PERCENT OF WIND 22.6 18.6 13.5 25.3 11.6 18.7 22.6 23.2 19.3 33.5 34.7 26.5 22.5 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 304 340 299 270 249 238 261 37 227 306 268 35 282 VECTOR WIND MAGNITUDE(KNOTS) 2.2 2.0 3.0 4.4 7.6 2.6 2.3 4.2 1.4 0.7 2.5 1.9 1.8 WIND STEADINESES (MEAN %) 24.7 21.3 28.0 60.3 80.0 36.6 35.4 62.7 17.9 12.7 53.2 26.8 23.7 WIND SPEED (MEAN KNOTS) 8.9 9.4 10.7 7.3 9.5 7.1 6.5 6.7 7.8 5.5 4.7 7.1 7.6 FASTEST WIND DIRECTION 30 270 270 240 270 60 60 60 160 30 270 320 270 FASTEST WIND SPEED (KNOTS) 27 29 33 23 23 19 16 17 19 23 17 33 33 DAY 14 9 7 12 23 20 16 12 4 1 8 5 DAYS WITH SKY CLEAR (0-2)/8 11 14 14 21 25 30 31 31 30 30 25 16 278 DAYS WITH P.CLOUDY (3-6)/8 14 9 13 5 6 0 0 0 0 1 5 11 64 DAYS WITH CLOUDY (7-8)/8 6 5 4 4 0 0 0 0 0 0 0 4 23 DAYS WITH VISIBILITY =< 2 KM 2 1 4 11 4 8 11 1 6 3 1 2 54 DURATION OF SUNSHINE HOURS 195.8 190.9 211.0 260.5 295.5 299.7 282.8 289.6 254.5 271.3 261.8 195.2 3008.6 ======================================================================================================================= 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 1991 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1016.4 1016.2 1011.9 1008.6 1004.9 999.0 996.1 998.1 1005.2 1011.0 1015.9 1016.5 1008.3 MAX. QFE PRESSURE IN HPA 1023.3 1026.7 1019.6 1015.0 1009.8 1006.0 1002.3 1003.2 1012.3 1016.9 1021.2 1022.0 1026.7 DAY-HOUR 28- 6 16- 6 18- 6 18- 6 8- 6 22- 6 1- 6 31- 6 29- 6 18- 6 14- 6 6- 6 MIN. QFE PRESSURE IN HPA 1007.0 1006.9 1005.7 1003.3 998.8 993.3 991.8 993.5 999.0 1006.3 1010.1 1011.7 991.8 DAY-HOUR 25-15 8-12 23-12 27-15 28-15 19-15 22-15 1-12 3-12 14-12 6-12 19-12 MEAN QNH PRESSURE IN HPA 1016.9 1016.7 1012.4 1009.1 1005.3 999.5 996.5 998.6 1005.6 1011.4 1016.4 1017.0 1008.8 MAX. QNH PRESSURE IN HPA 1023.8 1027.2 1020.1 1015.5 1010.3 1006.5 1002.8 1003.7 1012.8 1017.4 1021.7 1022.5 1027.2 DAY-HOUR 28- 6 16- 6 18- 6 18- 6 8- 6 22- 6 1- 6 31- 6 29- 6 18- 6 14- 6 6- 6 MIN. QNH PRESSURE IN HPA 1007.5 1007.4 1006.2 1003.8 999.3 993.8 992.3 994.0 999.5 1006.8 1010.6 1012.2 992.3 DAY-HOUR 25-15 8-12 23-12 27-15 28-15 19-15 22-15 1-12 3-12 14-12 6-12 19-12 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 1016.3 1016.1 1011.8 1008.7 1005.0 999.5 996.8 998.6 1005.4 1011.1 1015.9 1016.3 1008.5 MAX. QFE PRESSURE IN HPA 1021.0 1024.4 1017.7 1012.6 1008.3 1004.5 1001.7 1001.8 1011.0 1015.6 1019.6 1019.4 1024.4 DAY 28 16 18 18 8 22 2 31 29 17 27 6 MIN. QFE PRESSURE IN HPA 1008.5 1008.6 1005.7 1004.5 999.6 995.4 993.8 994.5 1001.3 1007.9 1011.3 1012.9 993.8 DAY 25 8 26 28 28 11 31 1 3 14 6 19 MEAN QNH PRESSURE IN HPA 1016.8 1016.6 1012.3 1009.2 1005.5 1000.0 997.2 999.1 1005.9 1011.6 1016.4 1016.8 1008.9 MAX. QNH PRESSURE IN HPA 1021.5 1024.9 1018.2 1013.1 1008.8 1005.0 1002.2 1002.3 1011.5 1016.1 1020.1 1019.9 1024.9 DAY 28 16 18 18 8 22 2 31 29 17 27 6 MIN. QNH PRESSURE IN HPA 1009.0 1009.1 1006.2 1005.0 1000.1 995.9 994.3 995.0 1001.8 1008.4 1011.8 1013.4 994.3 DAY 25 8 26 28 28 11 31 1 3 14 6 19 MEAN QFF PRESSURE IN HPA 1017.0 1016.9 1012.6 1009.4 1005.7 1000.2 997.5 999.3 1006.1 1011.8 1016.7 1017.1 1009.2 MAX. QFF PRESSURE IN HPA 1021.8 1025.2 1018.5 1013.4 1009.0 1005.2 1002.4 1002.5 1011.7 1016.3 1020.4 1020.2 1025.2 DAY 28 16 18 18 8 22 2 31 29 17 27 6 MIN. QFF PRESSURE IN HPA 1009.3 1009.4 1006.4 1005.2 1000.3 996.1 994.5 995.2 1002.0 1008.6 1012.0 1013.7 994.5 DAY 25 8 26 28 28 11 31 1 3 14 6 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 1991 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1018.2 1018.0 1013.7 1010.3 1006.4 1000.4 997.6 999.8 1006.8 1012.7 1017.6 1018.2 1010.0 MAX. QFE PRESSURE IN HPA 1023.3 1026.7 1019.6 1015.0 1009.8 1006.0 1002.3 1003.2 1012.3 1016.9 1021.2 1022.0 1026.7 DAY 28 16 18 18 8 22 1 31 29 18 14 6 MIN. QFE PRESSURE IN HPA 1010.6 1010.3 1007.9 1006.4 1001.0 996.5 994.7 995.8 1002.2 1009.3 1013.0 1014.8 994.7 DAY 25 8 24 28 28 19 14 1 3 7 6 19 MEAN QNH PRESSURE IN HPA 1018.7 1018.5 1014.1 1010.8 1006.9 1000.9 998.1 1000.3 1007.3 1013.2 1018.1 1018.7 1010.5 MAX. QNH PRESSURE IN HPA 1023.8 1027.2 1020.1 1015.5 1010.3 1006.5 1002.8 1003.7 1012.8 1017.4 1021.7 1022.5 1027.2 DAY 28 16 18 18 8 22 1 31 29 18 14 6 MIN. QNH PRESSURE IN HPA 1011.1 1010.8 1008.4 1006.9 1001.5 997.0 995.2 996.3 1002.7 1009.8 1013.5 1015.3 995.2 DAY 25 8 24 28 28 19 14 1 3 7 6 19 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 1016.4 1016.7 1012.6 1009.3 1005.6 999.7 996.7 998.8 1005.8 1011.2 1016.0 1016.6 1008.8 MAX. QFE PRESSURE IN HPA 1021.8 1025.3 1018.2 1013.9 1009.2 1004.6 1001.4 1002.3 1011.3 1015.6 1019.3 1021.2 1025.3 DAY 28 16 18 18 8 22 1 30 30 17 14 6 MIN. QFE PRESSURE IN HPA 1008.4 1008.7 1007.0 1005.7 1001.0 995.6 993.7 995.3 1001.0 1008.1 1011.2 1012.9 993.7 DAY 25 8 26 28 28 19 14 1 3 14 6 19 MEAN QNH PRESSURE IN HPA 1016.9 1017.2 1013.0 1009.8 1006.1 1000.2 997.2 999.3 1006.2 1011.7 1016.5 1017.1 1009.3 MAX. QNH PRESSURE IN HPA 1022.3 1025.8 1018.7 1014.4 1009.7 1005.1 1001.9 1002.8 1011.8 1016.1 1019.8 1021.7 1025.8 DAY 28 16 18 18 8 22 1 30 30 17 14 6 MIN. QNH PRESSURE IN HPA 1008.9 1009.2 1007.5 1006.2 1001.5 996.1 994.2 995.8 1001.5 1008.6 1011.7 1013.4 994.2 DAY 25 8 26 28 28 19 14 1 3 14 6 19 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 1015.2 1014.9 1010.8 1007.4 1003.9 998.0 994.9 996.9 1003.9 1009.8 1014.6 1015.3 1007.1 MAX. QFE PRESSURE IN HPA 1020.4 1023.4 1016.1 1011.7 1007.5 1003.0 999.7 1000.8 1009.4 1014.1 1017.6 1019.2 1023.4 DAY 28 15 18 18 8 22 1 31 29 18 13 6 MIN. QFE PRESSURE IN HPA 1007.1 1006.9 1005.7 1003.7 999.5 993.8 992.0 993.5 999.0 1006.3 1010.1 1011.7 992.0 DAY 25 8 23 27 28 19 14 1 3 14 6 19 MEAN QNH PRESSURE IN HPA 1015.7 1015.4 1011.3 1007.9 1004.4 998.5 995.4 997.4 1004.4 1010.3 1015.1 1015.8 1007.6 MAX. QNH PRESSURE IN HPA 1020.9 1023.9 1016.6 1012.2 1008.0 1003.5 1000.2 1001.3 1009.9 1014.6 1018.1 1019.7 1023.9 DAY 28 15 18 18 8 22 1 31 29 18 13 6 MIN. QNH PRESSURE IN HPA 1007.6 1007.4 1006.2 1004.2 1000.0 994.3 992.5 994.0 999.5 1006.8 1010.6 1012.2 992.5 DAY 25 8 23 27 28 19 14 1 3 14 6 19 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 1991 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1016.0 1015.3 1011.0 1007.4 1003.5 997.6 994.4 996.7 1004.0 1010.1 1015.2 1016.1 1007.3 MAX. QFE PRESSURE IN HPA 1021.0 1023.8 1016.1 1011.7 1007.6 1002.5 999.2 1001.0 1009.7 1014.3 1018.6 1020.0 1023.8 DAY 12 15 5 17 8 22 1 31 28 18 27 7 MIN. QFE PRESSURE IN HPA 1007.0 1007.3 1005.9 1003.3 998.8 993.3 991.8 993.5 999.5 1006.6 1010.7 1012.6 991.8 DAY 25 28 26 27 28 19 22 1 3 8 8 19 MEAN QNH PRESSURE IN HPA 1016.5 1015.8 1011.5 1007.9 1004.0 998.1 994.9 997.1 1004.5 1010.6 1015.7 1016.6 1007.8 MAX. QNH PRESSURE IN HPA 1021.5 1024.3 1016.6 1012.2 1008.1 1003.0 999.7 1001.5 1010.2 1014.8 1019.1 1020.5 1024.3 DAY 12 15 5 17 8 22 1 31 28 18 27 7 MIN. QNH PRESSURE IN HPA 1007.5 1007.8 1006.4 1003.8 999.3 993.8 992.3 994.0 1000.0 1007.1 1011.2 1013.1 992.3 DAY 25 28 26 27 28 19 22 1 3 8 8 19 MEAN QFF PRESSURE IN HPA 1016.8 1016.1 1011.7 1008.1 1004.2 998.3 995.2 997.4 1004.7 1010.8 1016.0 1016.9 1008.0 MAX. QFF PRESSURE IN HPA 1021.8 1024.6 1016.9 1012.5 1008.3 1003.2 999.9 1001.7 1010.4 1015.1 1019.4 1020.8 1024.6 DAY 12 15 5 17 8 22 1 31 29 18 27 7 MIN. QFF PRESSURE IN HPA 1007.8 1008.1 1006.6 1004.0 999.5 994.0 992.5 994.2 1000.2 1007.3 1011.4 1013.4 992.5 DAY 25 28 26 27 28 19 22 1 3 8 8 19 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 1992 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 18.8 19.4 20.8 24.5 30.1 31.6 32.7 33.6 31.5 29.2 25.9 22.3 26.7 MINIMUN AIR TEMPERATURE (C) 16.6 16.7 17.9 20.5 25.7 27.8 28.9 29.5 26.5 25.4 21.9 19.7 23.1 DAYS WITH MINIMUM TEMP. >=21 0 0 1 13 31 30 31 31 30 31 20 10 228 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 13.0 12.8 17.0 22.2 25.6 26.2 27.2 24.4 22.4 18.4 16.0 12.4 DAY 16 14 13 6 9 14 8 26 17 28 24 25 MAXIMUM AIR TEMPERATURE (C) 20.6 21.6 23.5 27.2 33.4 33.9 35.1 36.1 34.7 32.3 29.4 25.2 29.4 DAYS WITH MAXIMUM TEMP. >=30 0 0 1 7 28 30 31 31 30 31 13 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 26.0 33.0 32.4 38.6 36.0 38.0 38.6 37.6 35.0 31.6 29.0 38.6 DAY 2 23 18 25 10 9 19 16 2 7 3 1 DIF. BETWEEN (MAX.-MIN.) (C) 4.0 4.9 5.6 6.7 7.7 6.1 6.2 6.6 8.2 6.9 7.5 5.5 6.3 MEAN DAILY TEMP. (MDT) (C) 18.6 19.2 20.7 23.8 29.6 30.9 32.0 32.8 30.6 28.8 25.6 22.4 26.3 COOLING DEG. DAYS(BASE 21 0C) 3.1 2.5 17.1 85.7 265.3 295.6 342.3 367.1 288.4 243.2 138.9 50.9 2100.3 HEATING DEG. DAYS(BASE 18 0C) 14.1 8.2 0.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 22.8 DEWPOINT (MEAN C) 9.9 11.5 13.0 17.6 20.8 25.2 26.4 26.8 24.3 22.0 17.4 16.0 19.2 MIXING RATIO (G/KG) 7.88 8.77 9.56 12.84 15.85 20.70 22.28 22.86 19.66 17.05 12.58 11.66 15.14 VAPOUR PRESSURE (HPA) 12.73 14.11 15.35 20.42 24.98 32.19 34.48 35.42 30.79 26.92 20.13 18.69 23.85 SATURATION DEF. (HPA) 9.17 8.55 9.41 10.69 18.12 14.54 15.11 16.85 15.74 13.94 13.55 8.48 12.84 RELATIVE HUMIDITY (MEAN %) 58 62 63 67 60 70 70 69 68 67 61 69 65 RELATIVE HUMIDITY (MAX. %) 68 72 75 82 77 82 85 85 86 79 76 81 79 RELATIVE HUMIDITY (MIN. %) 50 53 52 56 47 60 60 57 52 55 48 59 54 RELATIVE HUMIDITY (MEAN% 03UTC) 61 70 73 80 75 81 85 85 86 76 71 75 77 RELATIVE HUMIDITY (MEAN% 09UTC) 53 56 56 62 52 64 64 60 57 59 52 64 58 RELATIVE HUMIDITY (MEAN% 15UTC) 62 64 65 71 60 71 70 73 64 66 61 69 66 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 50.7 40.4 2.0 14.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 65.8 173.4 DAYS WITH PRECIPITATION >=10 2 2 0 1 0 0 0 0 0 0 0 2 7 DAYS WITH PRECIPITATION >= 5 3 3 0 1 0 0 0 0 0 0 0 4 11 DAYS WITH PRECIPITATION >= 1 8 5 1 1 0 0 0 0 0 0 0 4 19 DAYS WITH PRECIPITATION 13 7 3 2 1 0 0 0 0 0 0 9 35 GREATEST DAILY PRECIPITATION 17.0 18.0 1.0 14.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 26.0 26.0 DAY 14 1 20 4 ** ** ** ** ** ** ** 23 DAY WITH THUNDER STORM 3 5 0 3 0 0 0 0 0 1 0 9 21 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 8 14 7 7 9 6 7 3 4 3 2 5 75 WIND DIRECTION (PREVAILING) 270 270 270 270 270 225 225 270 45 270 270 270 270 PREVAILING WIND SPEED(KNOTS) 12.8 13.0 12.7 12.5 12.0 7.3 8.7 9.3 8.8 7.6 8.8 11.0 10.8 PREVAILING WIND PERCENT 34.8 37.2 36.5 28.7 30.3 40.9 30.3 21.9 20.7 16.5 21.3 27.0 25.0 CALMS PERCENT OF WIND 13.5 14.5 9.0 12.0 10.3 9.4 18.7 20.0 33.5 39.9 54.6 32.0 25.0 NO. OF WIND OBSERVATION 155 145 156 150 155 149 155 155 179 248 240 244 2131 VECTOR WIND DIRECTION (MEAN) 285 290 274 258 257 240 250 289 20 269 291 286 270 VECTOR WIND MAGNITUDE(KNOTS) 3.9 5.1 4.6 4.4 4.7 5.1 4.1 2.1 0.5 2.2 2.4 2.2 3.2 WIND STEADINESES (MEAN %) 40.2 50.5 49.5 51.8 52.8 75.0 57.7 30.9 10.2 46.8 68.6 31.9 43.8 WIND SPEED (MEAN KNOTS) 9.7 10.1 9.3 8.5 8.9 6.8 7.1 6.8 4.9 4.7 3.5 6.9 7.3 FASTEST WIND DIRECTION 180 260 270 280 280 310 260 30 30 110 310 270 280 FASTEST WIND SPEED (KNOTS) 29 29 29 31 29 29 19 16 21 16 17 21 31 DAY 3 27 25 19 26 18 25 13 12 3 16 7 DAYS WITH SKY CLEAR (0-2)/8 9 19 11 18 21 29 31 29 30 30 23 10 260 DAYS WITH P.CLOUDY (3-6)/8 14 7 12 10 9 1 0 2 0 1 6 16 78 DAYS WITH CLOUDY (7-8)/8 8 3 8 2 1 0 0 0 0 0 1 5 28 DAYS WITH VISIBILITY =< 2 KM 1 1 0 6 3 7 18 7 8 0 0 2 53 DURATION OF SUNSHINE HOURS 156.3 210.2 177.2 246.8 286.6 320.9 279.3 295.4 278.1 288.9 258.2 175.7 2973.6 ======================================================================================================================= 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 1992 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1018.9 1016.5 1014.8 1010.6 1006.3 1000.0 997.5 999.4 1005.3 1010.6 1015.8 1017.0 1009.4 MAX. QFE PRESSURE IN HPA 1026.2 1023.3 1022.7 1016.0 1012.3 1007.2 1004.2 1003.2 1012.1 1017.9 1021.7 1022.2 1026.2 DAY-HOUR 10- 6 13- 6 13- 6 12- 6 14- 6 2- 9 6- 6 7- 6 21- 6 29- 6 24- 6 12- 6 MIN. QFE PRESSURE IN HPA 1013.3 1011.6 1007.7 1005.3 1002.0 993.6 992.4 994.6 999.4 1005.5 1011.0 1012.1 992.4 DAY-HOUR 21-12 10-12 24- 3 23-12 27-12 27-12 18-15 18-12 9-15 15-12 15-12 22-12 MEAN QNH PRESSURE IN HPA 1019.4 1017.0 1015.3 1011.1 1006.8 1000.5 998.0 999.9 1005.8 1011.1 1016.3 1017.5 1009.9 MAX. QNH PRESSURE IN HPA 1026.7 1023.8 1023.2 1016.5 1012.8 1007.7 1004.7 1003.7 1012.6 1018.4 1022.2 1022.7 1026.7 DAY-HOUR 10- 6 13- 6 13- 6 12- 6 14- 6 2- 9 6- 6 7- 6 21- 6 29- 6 24- 6 12- 6 MIN. QNH PRESSURE IN HPA 1013.8 1012.1 1008.2 1005.8 1002.5 994.1 992.9 995.1 999.9 1006.0 1011.5 1012.6 992.9 DAY-HOUR 21-12 10-12 24- 3 23-12 27-12 27-12 18-15 18-12 9-15 15-12 15-12 22-12 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** 1011.3 1016.5 1017.7 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** 1018.6 1022.5 1023.0 ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** 29- 6 24- 6 12- 6 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** 1006.2 1011.7 1012.9 ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** 15-12 17-12 22-12 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** 1009.7 1015.0 1016.2 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** 1015.7 1019.4 1019.1 ****** DAY ** ** ** ** ** ** ** ** ** 30 24 25 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** 1005.9 1011.1 1012.4 ****** DAY ** ** ** ** ** ** ** ** ** 1 16 4 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** 1010.2 1015.5 1016.7 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** 1016.2 1019.9 1019.6 ****** DAY ** ** ** ** ** ** ** ** ** 30 24 25 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** 1006.4 1011.6 1012.9 ****** DAY ** ** ** ** ** ** ** ** ** 1 16 4 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** 1010.5 1015.7 1016.9 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** 1016.5 1020.2 1019.9 ****** DAY ** ** ** ** ** ** ** ** ** 30 24 25 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** 1006.6 1011.8 1013.2 ****** DAY ** ** ** ** ** ** ** ** ** 1 16 4 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1018.8 1016.4 1014.6 1010.4 1006.1 1000.0 997.9 999.8 1005.2 1010.9 1016.1 1016.9 1009.4 MAX. QFE PRESSURE IN HPA 1023.7 1021.6 1020.4 1014.2 1010.9 1005.7 1003.4 1002.6 1010.1 1016.5 1020.3 1020.4 1023.7 DAY 5 13 13 21 14 2 6 7 21 30 24 12 MIN. QFE PRESSURE IN HPA 1015.0 1012.6 1007.7 1005.4 1002.3 994.0 993.9 996.4 1001.4 1006.6 1011.9 1012.9 993.9 DAY 3 11 24 18 27 28 19 19 9 15 17 4 MEAN QNH PRESSURE IN HPA 1019.3 1016.9 1015.1 1010.9 1006.6 1000.5 998.3 1000.3 1005.7 1011.4 1016.6 1017.4 1009.9 MAX. QNH PRESSURE IN HPA 1024.2 1022.1 1020.9 1014.7 1011.4 1006.2 1003.9 1003.1 1010.6 1017.0 1020.8 1020.9 1024.2 DAY 5 13 13 21 14 2 6 7 21 30 24 12 MIN. QNH PRESSURE IN HPA 1015.5 1013.1 1008.2 1005.9 1002.8 994.5 994.4 996.9 1001.9 1007.1 1012.4 1013.4 994.4 DAY 3 11 24 18 27 28 19 19 9 15 17 4 MEAN QFF PRESSURE IN HPA 1019.5 1017.2 1015.4 1011.2 1006.9 1000.6 998.6 1000.6 1005.9 1011.6 1016.8 1017.6 1010.2 MAX. QFF PRESSURE IN HPA 1024.5 1022.4 1021.2 1015.0 1011.6 1006.4 1004.1 1003.3 1010.8 1017.3 1021.1 1021.2 1024.5 DAY 5 13 13 21 14 2 6 7 21 30 24 12 MIN. QFF PRESSURE IN HPA 1015.8 1013.4 1008.5 1006.1 1003.0 994.7 994.6 997.1 1002.1 1007.3 1012.6 1013.7 994.6 DAY 3 11 24 18 27 28 19 19 9 16 17 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 1992 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1020.6 1018.0 1016.4 1012.0 1007.6 1001.1 998.7 1000.8 1006.7 1012.4 1017.7 1018.8 1010.9 MAX. QFE PRESSURE IN HPA 1026.2 1023.3 1022.7 1016.0 1012.3 1006.9 1004.2 1003.2 1012.1 1017.9 1021.7 1022.2 1026.2 DAY 10 13 13 12 14 2 6 7 21 29 24 12 MIN. QFE PRESSURE IN HPA 1016.0 1014.5 1008.9 1006.8 1003.3 994.7 994.7 997.5 1002.3 1007.9 1013.5 1015.0 994.7 DAY 21 18 31 18 27 28 19 2 9 16 17 4 MEAN QNH PRESSURE IN HPA 1021.1 1018.5 1016.9 1012.5 1008.1 1001.6 999.2 1001.3 1007.2 1012.9 1018.1 1019.3 1011.4 MAX. QNH PRESSURE IN HPA 1026.7 1023.8 1023.2 1016.5 1012.8 1007.4 1004.7 1003.7 1012.6 1018.4 1022.2 1022.7 1026.7 DAY 10 13 13 12 14 2 6 7 21 29 24 12 MIN. QNH PRESSURE IN HPA 1016.5 1015.0 1009.4 1007.3 1003.8 995.2 995.2 998.0 1002.8 1008.4 1014.0 1015.5 995.2 DAY 21 18 31 18 27 28 19 2 9 16 17 4 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** 1013.1 1018.4 1019.5 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** 1018.6 1022.5 1023.0 ****** DAY ** ** ** ** ** ** ** ** ** 29 24 12 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** 1008.6 1014.2 1015.8 ****** DAY ** ** ** ** ** ** ** ** ** 16 17 4 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1019.0 1017.2 1015.6 1011.4 1007.1 1000.8 998.1 1000.1 1005.7 1011.1 1016.0 1017.3 1009.9 MAX. QFE PRESSURE IN HPA 1024.8 1022.3 1021.2 1015.3 1011.8 1007.2 1003.4 1002.4 1010.5 1016.6 1020.3 1021.7 1024.8 DAY 5 13 13 12 14 2 6 7 21 29 29 12 MIN. QFE PRESSURE IN HPA 1014.7 1013.3 1009.7 1006.6 1002.7 994.7 994.3 996.4 1001.1 1006.7 1012.0 1013.0 994.3 DAY 21 4 31 18 27 28 19 18 9 15 17 22 MEAN QNH PRESSURE IN HPA 1019.5 1017.7 1016.1 1011.9 1007.6 1001.3 998.6 1000.6 1006.2 1011.5 1016.5 1017.8 1010.4 MAX. QNH PRESSURE IN HPA 1025.3 1022.8 1021.7 1015.8 1012.3 1007.7 1003.9 1002.9 1011.0 1017.1 1020.8 1022.2 1025.3 DAY 5 13 13 12 14 2 6 7 21 29 29 12 MIN. QNH PRESSURE IN HPA 1015.2 1013.8 1010.2 1007.1 1003.2 995.2 994.8 996.9 1001.6 1007.2 1012.5 1013.5 994.8 DAY 21 4 31 18 27 28 19 18 9 15 17 22 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** 1011.8 1016.8 1018.0 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** 1017.4 1021.1 1022.5 ****** DAY ** ** ** ** ** ** ** ** ** 29 29 12 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** 1007.4 1012.7 1013.8 ****** DAY ** ** ** ** ** ** ** ** ** 15 17 22 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 1017.8 1015.3 1013.8 1009.7 1005.6 999.5 996.7 998.3 1004.0 1009.7 1014.6 1016.0 1008.4 MAX. QFE PRESSURE IN HPA 1023.2 1020.2 1019.2 1013.4 1010.1 1005.9 1001.4 1000.6 1008.6 1015.1 1019.4 1019.8 1023.2 DAY 5 13 13 12 14 2 6 7 21 29 29 11 MIN. QFE PRESSURE IN HPA 1013.3 1011.6 1007.9 1005.3 1002.0 993.6 992.5 994.6 999.5 1005.5 1011.0 1012.1 992.5 DAY 21 10 30 23 27 27 19 18 9 15 15 22 MEAN QNH PRESSURE IN HPA 1018.3 1015.8 1014.3 1010.2 1006.1 1000.0 997.1 998.8 1004.5 1010.2 1015.1 1016.5 1008.9 MAX. QNH PRESSURE IN HPA 1023.7 1020.7 1019.7 1013.9 1010.6 1006.4 1001.9 1001.1 1009.1 1015.6 1019.9 1020.3 1023.7 DAY 5 13 13 12 14 2 6 7 21 29 29 11 MIN. QNH PRESSURE IN HPA 1013.8 1012.1 1008.4 1005.8 1002.5 994.1 993.0 995.1 1000.0 1006.0 1011.5 1012.6 993.0 DAY 21 10 30 23 27 27 19 18 9 15 15 22 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** 1010.4 1015.4 1016.8 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** 1015.9 1020.2 1020.6 ****** DAY ** ** ** ** ** ** ** ** ** 29 29 11 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** 1006.2 1011.7 1012.9 ****** DAY ** ** ** ** ** ** ** ** ** 15 17 22 ======================================================================================================================= 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 1992 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1018.6 1015.8 1014.0 1009.7 1005.3 998.7 996.3 998.2 1003.9 1010.0 1015.3 1016.7 1008.5 MAX. QFE PRESSURE IN HPA 1024.1 1021.0 1019.2 1013.6 1010.0 1005.2 1001.0 1000.2 1008.6 1015.8 1019.6 1020.7 1024.1 DAY 5 13 13 20 14 2 6 7 21 29 29 31 MIN. QFE PRESSURE IN HPA 1014.0 1011.7 1007.8 1005.8 1002.1 993.6 992.4 994.9 999.4 1005.7 1011.6 1012.8 992.4 DAY 21 10 30 23 26 27 18 18 9 1 15 22 MEAN QNH PRESSURE IN HPA 1019.1 1016.3 1014.5 1010.2 1005.8 999.2 996.8 998.7 1004.4 1010.5 1015.8 1017.2 1009.0 MAX. QNH PRESSURE IN HPA 1024.6 1021.5 1019.7 1014.1 1010.5 1005.7 1001.5 1000.7 1009.1 1016.3 1020.1 1021.2 1024.6 DAY 5 13 13 20 14 2 6 7 21 29 29 31 MIN. QNH PRESSURE IN HPA 1014.5 1012.2 1008.3 1006.3 1002.6 994.1 992.9 995.4 999.9 1006.2 1012.1 1013.3 992.9 DAY 21 10 30 23 26 27 18 18 9 1 15 22 MEAN QFF PRESSURE IN HPA 1019.4 1016.6 1014.8 1010.4 1006.0 999.5 997.0 998.9 1004.7 1010.7 1016.1 1017.5 1009.3 MAX. QFF PRESSURE IN HPA 1024.9 1021.8 1020.0 1014.4 1010.7 1005.9 1001.7 1000.9 1009.3 1016.6 1020.4 1021.5 1024.9 DAY 5 13 13 20 14 2 6 7 21 29 29 31 MIN. QFF PRESSURE IN HPA 1014.8 1012.5 1008.6 1006.5 1002.8 994.3 993.1 995.6 1000.1 1006.4 1012.4 1013.6 993.1 DAY 21 10 30 23 26 27 18 18 9 1 15 22 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** 1010.9 1016.0 1017.3 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** 1016.9 1020.1 1021.4 ****** DAY ** ** ** ** ** ** ** ** ** 29 23 31 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** 1006.2 1012.1 1013.6 ****** DAY ** ** ** ** ** ** ** ** ** 15 15 3 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** 1011.4 1016.5 1017.8 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** 1017.4 1020.6 1021.9 ****** DAY ** ** ** ** ** ** ** ** ** 29 23 31 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** 1006.7 1012.6 1014.1 ****** DAY ** ** ** ** ** ** ** ** ** 15 15 3 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** 1011.6 1016.7 1018.1 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** 1017.6 1020.9 1022.2 ****** DAY ** ** ** ** ** ** ** ** ** 29 23 31 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** 1006.9 1012.8 1014.4 ****** DAY ** ** ** ** ** ** ** ** ** 15 15 3 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** 1010.4 1015.6 1016.8 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** 1016.1 1019.8 1020.5 ****** DAY ** ** ** ** ** ** ** ** ** 29 23 31 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** 1005.7 1011.6 1012.9 ****** DAY ** ** ** ** ** ** ** ** ** 15 15 3 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** 1010.9 1016.0 1017.3 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** 1016.6 1020.3 1021.0 ****** DAY ** ** ** ** ** ** ** ** ** 29 23 31 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** 1006.2 1012.1 1013.4 ****** DAY ** ** ** ** ** ** ** ** ** 15 15 3 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** 1011.1 1016.3 1017.6 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** 1016.8 1020.6 1021.3 ****** DAY ** ** ** ** ** ** ** ** ** 29 23 31 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** 1006.4 1012.3 1013.7 ****** DAY ** ** ** ** ** ** ** ** ** 15 15 3 ======================================================================================================================= 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 1993 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 19.9 20.7 22.4 25.1 28.4 30.6 33.4 34.3 32.8 30.5 27.4 24.2 27.5 MINIMUN AIR TEMPERATURE (C) 18.0 18.5 20.4 22.8 25.7 27.9 30.2 30.6 29.3 26.3 23.8 21.3 24.6 DAYS WITH MINIMUM TEMP. >=21 5 2 15 26 31 30 31 31 30 31 28 18 278 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 13.6 18.0 19.0 21.6 25.0 27.4 28.4 27.0 23.4 20.4 17.4 13.0 DAY 17 6 3 1 12 28 2 29 14 23 23 30 MAXIMUM AIR TEMPERATURE (C) 22.2 23.1 24.8 28.0 31.1 33.3 36.1 36.5 34.9 32.7 29.8 26.1 29.9 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 7 22 30 31 31 30 31 14 0 196 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 25.6 27.0 29.2 33.8 36.6 35.6 40.4 41.4 36.4 35.2 33.6 28.0 41.4 DAY 5 21 19 26 26 28 23 1 10 2 13 3 DIF. BETWEEN (MAX.-MIN.) (C) 4.2 4.6 4.4 5.2 5.4 5.4 5.9 5.9 5.6 6.4 6.0 4.8 5.3 MEAN DAILY TEMP. (MDT) (C) 20.1 20.8 22.6 25.4 28.4 30.6 33.1 33.6 32.1 29.5 26.8 23.7 27.2 COOLING DEG. DAYS(BASE 21 0C) 15.0 17.0 53.4 132.1 229.8 288.1 375.8 390.0 333.1 263.5 175.0 83.8 2356.6 HEATING DEG. DAYS(BASE 18 0C) 6.3 3.6 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 9.9 DEWPOINT (MEAN C) 12.7 15.4 15.8 19.8 23.3 26.1 27.7 27.4 26.6 22.2 19.0 16.3 21.0 MIXING RATIO (G/KG) 9.33 11.13 11.40 14.63 18.37 21.80 24.26 23.73 22.45 17.10 14.06 11.59 16.65 VAPOUR PRESSURE (HPA) 15.03 17.85 18.23 23.23 28.82 33.86 37.41 36.72 34.97 27.06 22.40 18.61 26.18 SATURATION DEF. (HPA) 8.33 6.74 9.03 8.90 10.08 10.19 14.19 17.44 14.77 16.76 14.38 11.68 11.87 RELATIVE HUMIDITY (MEAN %) 64 73 67 73 75 77 74 69 71 63 61 62 69 RELATIVE HUMIDITY (MAX. %) 73 86 80 86 88 86 85 82 82 75 71 70 80 RELATIVE HUMIDITY (MIN. %) 56 61 53 59 61 67 62 57 63 53 53 56 58 RELATIVE HUMIDITY (MEAN% 03UTC) 67 78 74 78 83 82 84 82 82 74 70 68 77 RELATIVE HUMIDITY (MEAN% 09UTC) 61 65 59 66 71 72 69 62 66 58 55 59 64 RELATIVE HUMIDITY (MEAN% 15UTC) 64 71 68 70 72 77 72 68 71 65 63 64 69 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 1.8 100.6 0.8 0.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 5.0 108.6 DAYS WITH PRECIPITATION >=10 0 3 0 0 0 0 0 0 0 0 0 0 3 DAYS WITH PRECIPITATION >= 5 0 5 0 0 0 0 0 0 0 0 0 1 6 DAYS WITH PRECIPITATION >= 1 1 7 0 0 0 0 0 0 0 0 0 1 9 DAYS WITH PRECIPITATION 2 8 3 1 1 0 0 0 0 0 0 1 16 GREATEST DAILY PRECIPITATION 1.2 34.0 0.6 0.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 5.0 34.0 DAY 14 5 26 28 ** ** ** ** ** ** ** 25 DAY WITH THUNDER STORM 0 3 0 0 0 0 0 0 0 0 0 1 4 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 7 6 16 11 20 7 2 2 4 2 3 4 84 WIND DIRECTION (PREVAILING) 270 315 270 270 270 270 225 270 270 45 270 270 270 PREVAILING WIND SPEED(KNOTS) 13.1 9.6 12.7 11.0 11.8 10.2 8.4 6.1 8.3 7.5 10.3 7.9 10.6 PREVAILING WIND PERCENT 32.7 23.2 25.0 32.5 34.7 32.1 22.6 21.9 23.3 23.2 14.7 25.8 25.5 CALMS PERCENT OF WIND 9.3 26.3 14.1 16.7 8.1 15.4 20.2 18.7 23.3 35.5 43.3 45.2 21.1 NO. OF WIND OBSERVATION 248 224 248 240 248 240 168 155 150 155 150 155 2381 VECTOR WIND DIRECTION (MEAN) 306 308 295 284 267 261 272 262 251 64 293 298 282 VECTOR WIND MAGNITUDE(KNOTS) 5.3 3.0 4.1 5.9 7.2 5.6 1.9 1.2 3.1 1.5 2.1 1.8 3.2 WIND STEADINESES (MEAN %) 48.2 39.5 41.4 64.1 70.6 70.0 27.5 22.2 45.6 32.6 44.7 41.9 43.2 WIND SPEED (MEAN KNOTS) 11.0 7.6 9.9 9.2 10.2 8.0 6.9 5.4 6.8 4.6 4.7 4.3 7.4 FASTEST WIND DIRECTION 310 210 300 300 290 220 60 180 150 90 270 330 300 FASTEST WIND SPEED (KNOTS) 31 23 37 33 23 17 17 16 23 19 23 23 37 DAY 15 3 12 14 29 21 24 7 2 9 7 25 DAYS WITH SKY CLEAR (0-2)/8 9 14 22 13 25 30 27 30 30 29 27 24 280 DAYS WITH P.CLOUDY (3-6)/8 17 8 7 13 5 0 4 1 0 2 3 5 65 DAYS WITH CLOUDY (7-8)/8 5 6 2 4 1 0 0 0 0 0 0 2 20 DAYS WITH VISIBILITY =< 2 KM 0 3 2 2 7 2 10 4 5 1 3 0 39 DURATION OF SUNSHINE HOURS 188.2 180.1 244.8 246.1 316.8 337.5 306.2 314.0 292.0 292.2 264.8 265.6 3248.3 ======================================================================================================================= 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 1993 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1018.5 1016.7 1014.1 1011.0 1005.6 1000.2 997.0 1000.0 1004.0 1012.1 1014.3 1017.2 1009.2 MAX. QFE PRESSURE IN HPA 1026.4 1025.9 1017.9 1017.5 1011.8 1004.7 1002.4 1005.8 1010.1 1017.0 1020.5 1023.7 1026.4 DAY-HOUR 27- 6 7- 6 8- 6 1- 6 10- 6 1- 6 26- 6 8- 6 30- 6 30- 6 24- 6 26- 6 MIN. QFE PRESSURE IN HPA 1011.5 1008.2 1007.5 1005.0 995.2 995.5 992.7 994.4 999.0 1005.7 1008.5 1011.4 992.7 DAY-HOUR 8-12 4-21 12-15 27- 0 30- 0 13- 0 14-12 12-15 1-15 3-15 5-15 4-12 MEAN QNH PRESSURE IN HPA 1018.9 1017.2 1014.6 1011.5 1006.1 1000.7 997.4 1000.5 1004.5 1012.6 1014.8 1017.6 1009.7 MAX. QNH PRESSURE IN HPA 1026.9 1026.4 1018.4 1018.0 1012.3 1005.2 1002.9 1006.3 1010.6 1017.5 1021.0 1024.2 1026.9 DAY-HOUR 27- 6 7- 6 8- 6 1- 6 10- 6 1- 6 26- 6 8- 6 30- 6 30- 6 24- 6 26- 6 MIN. QNH PRESSURE IN HPA 1012.0 1008.7 1008.0 1005.5 995.7 996.0 993.2 994.9 999.5 1006.2 1009.0 1011.9 993.2 DAY-HOUR 8-12 4-21 12-15 27- 0 30- 0 13- 0 14-12 12-15 1-15 3-15 5-15 4-12 MEAN QFF PRESSURE IN HPA 1019.2 1017.6 1014.9 1011.8 1006.3 1001.0 ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA 1027.2 1026.7 1018.7 1018.3 1012.5 1005.4 ****** ****** ****** ****** ****** ****** ****** DAY-HOUR 27- 6 7- 6 17- 6 1- 6 10- 6 1- 6 **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA 1012.3 1009.0 1008.3 1005.7 995.9 996.2 ****** ****** ****** ****** ****** ****** ****** DAY-HOUR 8-12 4-21 12-15 27- 0 30- 0 13- 0 **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 1017.9 1016.1 1013.3 1010.0 1004.6 999.4 ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA 1024.3 1023.3 1015.4 1014.1 1008.9 1002.4 ****** ****** ****** ****** ****** ****** ****** DAY 27 8 1 1 14 2 ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA 1012.6 1011.5 1007.7 1005.0 995.2 995.5 ****** ****** ****** ****** ****** ****** ****** DAY 10 5 10 27 30 13 ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA 1018.4 1016.6 1013.8 1010.5 1005.1 999.9 ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA 1024.8 1023.8 1015.9 1014.6 1009.4 1002.9 ****** ****** ****** ****** ****** ****** ****** DAY 27 8 1 1 14 2 ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA 1013.1 1012.0 1008.2 1005.5 995.7 996.0 ****** ****** ****** ****** ****** ****** ****** DAY 10 5 10 27 30 13 ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA 1018.6 1017.0 1014.1 1010.7 1005.3 1000.1 ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA 1025.1 1024.1 1016.2 1014.9 1009.6 1003.1 ****** ****** ****** ****** ****** ****** ****** DAY 27 8 1 1 14 2 ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA 1013.4 1012.3 1008.4 1005.7 995.9 996.2 ****** ****** ****** ****** ****** ****** ****** DAY 10 5 10 27 30 13 ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1018.3 1016.9 1014.1 1011.2 1005.7 1000.6 997.2 1000.1 1004.1 1012.2 1014.4 1017.2 1009.3 MAX. QFE PRESSURE IN HPA 1024.8 1023.6 1017.0 1014.9 1010.6 1003.5 1001.2 1004.7 1007.6 1015.7 1019.3 1022.1 1024.8 DAY 27 7 19 1 9 2 28 8 30 30 25 26 MIN. QFE PRESSURE IN HPA 1011.9 1011.1 1008.4 1007.5 996.9 997.7 993.4 995.7 1001.3 1007.3 1009.5 1012.9 993.4 DAY 9 23 10 25 30 13 14 12 1 3 6 4 MEAN QNH PRESSURE IN HPA 1018.8 1017.4 1014.5 1011.7 1006.2 1001.1 997.7 1000.6 1004.5 1012.7 1014.9 1017.7 1009.8 MAX. QNH PRESSURE IN HPA 1025.3 1024.1 1017.5 1015.4 1011.1 1004.0 1001.7 1005.2 1008.1 1016.2 1019.8 1022.6 1025.3 DAY 27 7 19 1 9 2 28 8 30 30 25 26 MIN. QNH PRESSURE IN HPA 1012.4 1011.6 1008.9 1008.0 997.4 998.2 993.9 996.2 1001.8 1007.8 1010.0 1013.4 993.9 DAY 9 23 10 25 30 13 14 12 1 3 6 4 MEAN QFF PRESSURE IN HPA 1019.1 1017.7 1014.8 1011.9 1006.5 1001.3 997.9 1000.8 1004.8 1012.9 1015.1 1018.0 1010.1 MAX. QFF PRESSURE IN HPA 1025.6 1024.4 1017.8 1015.7 1011.3 1004.2 1001.9 1005.4 1008.3 1016.4 1020.1 1022.9 1025.6 DAY 27 7 19 1 9 2 28 8 30 30 25 26 MIN. QFF PRESSURE IN HPA 1012.7 1011.9 1009.2 1008.2 997.6 998.4 994.1 996.4 1002.0 1008.0 1010.2 1013.7 994.1 DAY 9 23 10 25 30 26 14 12 1 3 6 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 1993 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1020.1 1018.7 1016.0 1012.8 1007.2 1001.8 998.2 1001.4 1005.6 1013.8 1016.0 1018.9 1010.9 MAX. QFE PRESSURE IN HPA 1026.4 1025.9 1017.9 1017.5 1011.8 1004.7 1002.4 1005.8 1010.1 1017.0 1020.5 1023.7 1026.4 DAY 27 7 8 1 10 1 26 8 30 30 24 26 MIN. QFE PRESSURE IN HPA 1014.8 1011.7 1010.5 1008.7 998.5 998.6 994.3 996.4 1002.5 1008.6 1010.7 1014.4 994.3 DAY 9 23 10 25 30 12 14 12 1 3 6 4 MEAN QNH PRESSURE IN HPA 1020.6 1019.1 1016.5 1013.3 1007.7 1002.2 998.7 1001.9 1006.1 1014.3 1016.5 1019.4 1011.4 MAX. QNH PRESSURE IN HPA 1026.9 1026.4 1018.4 1018.0 1012.3 1005.2 1002.9 1006.3 1010.6 1017.5 1021.0 1024.2 1026.9 DAY 27 7 8 1 10 1 26 8 30 30 24 26 MIN. QNH PRESSURE IN HPA 1015.3 1012.2 1011.0 1009.2 999.0 999.1 994.8 996.9 1003.0 1009.1 1011.2 1014.9 994.8 DAY 9 23 10 25 30 12 14 12 1 3 6 4 MEAN QFF PRESSURE IN HPA 1020.9 1019.4 1016.8 1013.6 1007.9 1002.5 ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA 1027.2 1026.7 1018.7 1018.3 1012.5 1005.4 ****** ****** ****** ****** ****** ****** ****** DAY 27 7 17 1 10 1 ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA 1015.6 1012.5 1011.2 1009.4 999.2 999.3 ****** ****** ****** ****** ****** ****** ****** DAY 9 23 10 25 30 12 ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1018.7 1017.3 1015.2 1012.1 1006.7 1001.3 997.7 1000.8 1004.7 1012.5 1014.5 1017.2 1009.9 MAX. QFE PRESSURE IN HPA 1024.7 1024.8 1017.2 1016.1 1011.3 1004.2 1001.7 1005.1 1009.3 1015.7 1018.7 1022.5 1024.8 DAY 26 7 14 1 9 1 27 8 30 29 24 26 MIN. QFE PRESSURE IN HPA 1013.3 1011.5 1010.1 1007.9 998.2 997.9 993.6 995.9 1002.1 1007.6 1010.5 1012.4 993.6 DAY 8 23 10 26 30 13 14 12 1 3 5 4 MEAN QNH PRESSURE IN HPA 1019.2 1017.8 1015.7 1012.6 1007.2 1001.8 998.2 1001.2 1005.2 1013.0 1015.0 1017.7 1010.4 MAX. QNH PRESSURE IN HPA 1025.2 1025.3 1017.7 1016.6 1011.8 1004.7 1002.2 1005.6 1009.8 1016.2 1019.2 1023.0 1025.3 DAY 26 7 14 1 9 1 27 8 30 29 24 26 MIN. QNH PRESSURE IN HPA 1013.8 1012.0 1010.6 1008.4 998.7 998.4 994.1 996.4 1002.6 1008.1 1011.0 1012.9 994.1 DAY 8 23 10 26 30 13 14 12 1 3 5 4 MEAN QFF PRESSURE IN HPA 1019.5 1018.1 1016.0 1012.9 1007.5 1002.0 ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA 1025.5 1025.6 1018.0 1016.9 1012.0 1004.9 ****** ****** ****** ****** ****** ****** ****** DAY 26 7 14 1 9 1 ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA 1014.1 1012.3 1010.9 1008.6 998.9 998.6 ****** ****** ****** ****** ****** ****** ****** DAY 8 23 10 26 30 13 ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 1017.4 1015.7 1013.2 1010.6 1005.3 999.8 996.2 999.2 1002.9 1011.0 1013.2 1016.0 1008.4 MAX. QFE PRESSURE IN HPA 1023.1 1023.7 1015.2 1014.5 1010.4 1002.5 1000.3 1003.4 1008.1 1014.3 1017.6 1020.9 1023.7 DAY 26 7 26 1 13 1 26 8 30 29 24 26 MIN. QFE PRESSURE IN HPA 1011.5 1010.5 1008.0 1007.0 997.4 996.6 992.7 994.8 999.9 1006.0 1009.0 1011.4 992.7 DAY 8 4 12 27 30 12 14 12 1 3 5 4 MEAN QNH PRESSURE IN HPA 1017.9 1016.2 1013.7 1011.0 1005.7 1000.3 996.7 999.7 1003.4 1011.5 1013.7 1016.5 1008.9 MAX. QNH PRESSURE IN HPA 1023.6 1024.2 1015.7 1015.0 1010.9 1003.0 1000.8 1003.9 1008.6 1014.8 1018.1 1021.4 1024.2 DAY 26 7 26 1 13 1 26 8 30 29 24 26 MIN. QNH PRESSURE IN HPA 1012.0 1011.0 1008.5 1007.5 997.9 997.1 993.2 995.3 1000.4 1006.5 1009.5 1011.9 993.2 DAY 8 4 12 27 30 12 14 12 1 3 5 4 MEAN QFF PRESSURE IN HPA 1018.1 1016.6 1014.0 1011.3 1006.0 1000.5 ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA 1023.9 1024.5 1016.0 1015.3 1011.1 1003.2 ****** ****** ****** ****** ****** ****** ****** DAY 26 7 26 1 13 1 ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA 1012.3 1011.3 1008.8 1007.7 998.1 997.3 ****** ****** ****** ****** ****** ****** ****** DAY 8 4 12 27 30 12 ** ** ** ** ** ** ======================================================================================================================= 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 1993 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1018.1 1016.1 1013.3 1010.3 1004.9 999.4 995.8 998.7 1002.9 1011.1 1013.5 1016.5 1008.4 MAX. QFE PRESSURE IN HPA 1023.7 1023.8 1015.8 1014.0 1011.3 1002.2 999.3 1002.4 1008.2 1014.9 1018.1 1021.4 1023.8 DAY 26 7 26 1 13 1 25 7 30 29 24 26 MIN. QFE PRESSURE IN HPA 1012.6 1009.8 1007.5 1006.6 996.9 996.0 992.9 994.4 999.0 1005.7 1008.5 1011.9 992.9 DAY 8 4 12 27 29 12 14 12 1 3 5 4 MEAN QNH PRESSURE IN HPA 1018.6 1016.6 1013.8 1010.8 1005.4 999.8 996.2 999.2 1003.3 1011.6 1014.0 1017.0 1008.9 MAX. QNH PRESSURE IN HPA 1024.2 1024.3 1016.3 1014.5 1011.8 1002.7 999.8 1002.9 1008.7 1015.4 1018.6 1021.9 1024.3 DAY 26 7 26 1 13 1 25 7 30 29 24 26 MIN. QNH PRESSURE IN HPA 1013.1 1010.3 1008.0 1007.1 997.4 996.5 993.4 994.9 999.5 1006.2 1009.0 1012.4 993.4 DAY 8 4 12 27 29 12 14 12 1 3 5 4 MEAN QFF PRESSURE IN HPA 1018.9 1016.8 1014.1 1011.0 1005.7 1000.1 996.5 999.4 1003.6 1011.8 1014.2 1017.2 1009.1 MAX. QFF PRESSURE IN HPA 1024.5 1024.6 1016.6 1014.8 1012.0 1002.9 1000.0 1003.1 1008.9 1015.6 1018.9 1022.2 1024.6 DAY 26 7 26 1 13 1 25 7 30 29 24 26 MIN. QFF PRESSURE IN HPA 1013.4 1010.6 1008.3 1007.3 997.6 996.7 993.6 995.1 999.7 1006.4 1009.2 1012.7 993.6 DAY 8 4 12 27 29 12 14 12 1 3 5 4 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 1018.9 1017.0 1014.1 1011.0 1005.6 1000.1 ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA 1025.2 1024.5 1015.8 1014.7 1010.1 1002.9 ****** ****** ****** ****** ****** ****** ****** DAY 26 7 28 5 9 1 ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA 1013.1 1008.9 1008.9 1007.1 996.7 997.2 ****** ****** ****** ****** ****** ****** ****** DAY 8 4 9 26 29 25 ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA 1019.4 1017.5 1014.6 1011.5 1006.1 1000.6 ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA 1025.7 1025.0 1016.3 1015.2 1010.6 1003.4 ****** ****** ****** ****** ****** ****** ****** DAY 26 7 28 5 9 1 ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA 1013.6 1009.4 1009.4 1007.6 997.2 997.7 ****** ****** ****** ****** ****** ****** ****** DAY 8 4 9 26 29 25 ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA 1019.7 1017.8 1014.9 1011.8 1006.4 1000.8 ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA 1026.0 1025.3 1016.6 1015.5 1010.8 1003.6 ****** ****** ****** ****** ****** ****** ****** DAY 26 7 28 5 9 1 ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA 1013.9 1009.7 1009.6 1007.8 997.4 997.9 ****** ****** ****** ****** ****** ****** ****** DAY 8 4 9 26 29 25 ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 1018.3 1016.4 1013.7 1010.4 1004.9 999.7 ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA 1024.8 1023.9 1015.5 1014.4 1009.4 1002.8 ****** ****** ****** ****** ****** ****** ****** DAY 26 7 23 15 13 1 ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA 1012.9 1008.2 1008.0 1005.9 995.8 996.4 ****** ****** ****** ****** ****** ****** ****** DAY 8 4 9 26 29 25 ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA 1018.8 1016.9 1014.2 1010.9 1005.4 1000.2 ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA 1025.3 1024.4 1016.0 1014.9 1009.9 1003.3 ****** ****** ****** ****** ****** ****** ****** DAY 26 7 23 15 13 1 ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA 1013.4 1008.7 1008.5 1006.4 996.3 996.9 ****** ****** ****** ****** ****** ****** ****** DAY 8 4 9 26 29 25 ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA 1019.1 1017.1 1014.5 1011.1 1005.7 1000.4 ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA 1025.6 1024.7 1016.3 1015.2 1010.1 1003.5 ****** ****** ****** ****** ****** ****** ****** DAY 26 7 23 15 13 1 ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA 1013.7 1009.0 1008.7 1006.6 996.5 997.1 ****** ****** ****** ****** ****** ****** ****** DAY 8 4 9 26 29 25 ** ** ** ** ** ** ======================================================================================================================= 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 1994 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 22.2 21.5 23.4 26.0 29.6 31.7 33.2 34.0 33.4 30.0 27.8 22.6 28.0 MINIMUN AIR TEMPERATURE (C) 19.0 18.8 21.1 22.9 27.0 28.7 30.7 30.9 29.2 26.5 24.6 20.0 24.9 DAYS WITH MINIMUM TEMP. >=21 6 1 22 25 31 30 31 31 30 31 30 15 283 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 15.0 16.0 19.2 22.4 26.0 27.5 29.5 25.0 23.2 21.2 14.2 14.2 DAY 12 22 4 14 11 6 3 25 25 28 25 31 MAXIMUM AIR TEMPERATURE (C) 24.2 23.3 25.3 28.3 31.8 33.7 35.1 36.1 35.5 32.2 29.7 24.4 30.0 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 7 28 30 31 31 30 31 16 0 204 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 26.4 25.6 28.2 33.0 34.0 37.0 37.5 38.4 38.4 34.0 32.0 29.2 38.4 DAY 5 24 12 25 4 9 18 21 11 4 4 1 DIF. BETWEEN (MAX.-MIN.) (C) 5.2 4.5 4.2 5.4 4.8 5.0 4.4 5.2 6.3 5.7 5.1 4.4 5.1 MEAN DAILY TEMP. (MDT) (C) 21.6 21.0 23.2 25.6 29.4 31.2 32.9 33.5 32.3 29.3 27.2 22.2 27.5 COOLING DEG. DAYS(BASE 21 0C) 26.0 12.5 70.1 138.7 260.8 306.0 369.1 387.5 340.3 257.9 185.2 52.8 2406.9 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) 12.6 12.7 16.7 20.1 23.7 26.3 27.7 28.0 25.7 22.1 19.5 13.0 20.7 MIXING RATIO (G/KG) 9.39 9.42 11.99 15.06 18.78 22.33 24.26 24.64 21.43 17.06 14.36 9.78 16.54 VAPOUR PRESSURE (HPA) 15.10 15.12 19.17 23.85 29.46 34.54 37.33 38.00 33.48 27.00 22.90 15.74 25.97 SATURATION DEF. (HPA) 11.75 10.55 9.74 10.06 12.15 12.40 13.64 15.31 18.12 15.70 14.56 12.01 13.00 RELATIVE HUMIDITY (MEAN %) 56 59 67 71 71 74 74 72 66 64 62 56 66 RELATIVE HUMIDITY (MAX. %) 66 69 76 82 80 85 83 84 80 77 73 65 77 RELATIVE HUMIDITY (MIN. %) 49 49 59 61 62 65 65 62 56 56 54 49 57 RELATIVE HUMIDITY (MEAN% 03UTC) 65 67 73 81 78 84 82 84 80 76 71 62 75 RELATIVE HUMIDITY (MEAN% 09UTC) 53 54 62 67 68 69 69 66 59 59 56 51 61 RELATIVE HUMIDITY (MEAN% 15UTC) 56 59 69 72 74 75 73 70 68 64 64 59 67 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 9.2 0.8 2.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 12.0 DAYS WITH PRECIPITATION >=10 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH PRECIPITATION >= 5 1 0 0 0 0 0 0 0 0 0 0 0 1 DAYS WITH PRECIPITATION >= 1 1 0 1 0 0 0 0 0 0 0 0 0 2 DAYS WITH PRECIPITATION 2 1 4 0 0 0 0 0 0 0 0 1 8 GREATEST DAILY PRECIPITATION 9.0 0.8 1.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 9.0 DAY 25 19 17 ** ** ** ** ** ** ** ** ** 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 0 0 DAYS WITH DUST 2 9 5 6 9 3 0 1 6 2 6 7 56 WIND DIRECTION (PREVAILING) 270 270 270 270 270 225 225 45 180 45 270 270 270 PREVAILING WIND SPEED(KNOTS) 8.7 10.7 9.2 8.5 9.4 7.5 6.7 7.3 12.4 9.0 10.5 12.4 9.3 PREVAILING WIND PERCENT 20.0 36.4 28.4 26.7 30.3 29.3 19.4 23.2 18.0 14.2 16.7 27.1 21.4 CALMS PERCENT OF WIND 40.0 14.3 11.0 19.3 24.5 20.0 27.7 21.9 52.7 29.0 28.7 27.1 26.4 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 306 283 317 283 273 264 246 46 185 44 266 294 276 VECTOR WIND MAGNITUDE(KNOTS) 1.4 6.7 2.1 3.6 4.5 4.4 2.3 0.4 3.0 0.1 2.0 5.2 2.5 WIND STEADINESES (MEAN %) 25.0 75.3 25.9 54.5 66.2 67.7 46.9 7.3 60.0 1.7 29.4 57.1 37.9 WIND SPEED (MEAN KNOTS) 5.6 8.9 8.1 6.6 6.8 6.5 4.9 5.5 5.0 5.8 6.8 9.1 6.6 FASTEST WIND DIRECTION 310 300 320 60 330 270 180 200 190 60 180 310 310 FASTEST WIND SPEED (KNOTS) 37 29 29 25 23 23 14 14 27 31 21 29 37 DAY 17 3 12 6 9 5 18 5 11 10 17 7 DAYS WITH SKY CLEAR (0-2)/8 18 25 14 20 22 30 19 24 28 31 23 20 274 DAYS WITH P.CLOUDY (3-6)/8 12 3 7 9 8 0 9 7 2 0 7 11 75 DAYS WITH CLOUDY (7-8)/8 1 0 10 1 1 0 3 0 0 0 0 0 16 DAYS WITH VISIBILITY =< 2 KM 1 1 4 0 1 2 1 1 0 0 0 1 12 DURATION OF SUNSHINE HOURS 249.1 254.2 185.4 262.4 298.3 316.5 273.7 253.3 284.2 299.5 269.1 241.0 3186.7 ======================================================================================================================= 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 1994 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1016.6 1014.7 1013.7 1009.8 1006.0 997.4 995.0 997.7 1006.3 1012.4 1015.3 1018.9 1008.6 MAX. QFE PRESSURE IN HPA 1024.3 1020.0 1019.8 1017.4 1012.4 1001.5 998.5 1003.8 1014.7 1017.9 1019.9 1024.7 1024.7 DAY-HOUR 28- 6 21- 6 18- 6 16- 6 8- 6 10- 6 5- 6 15- 6 24- 6 19- 6 24- 6 28- 6 MIN. QFE PRESSURE IN HPA 1012.0 1010.2 1006.6 1003.5 1000.0 991.0 991.9 992.2 996.4 1006.4 1010.5 1008.5 991.0 DAY-HOUR 31-12 12-15 11-15 30-15 31-15 27-15 14-15 10-15 1- 3 3-12 13-12 4-12 MEAN QNH PRESSURE IN HPA 1017.1 1015.1 1014.2 1010.3 1006.5 997.8 995.4 998.2 1006.8 1012.9 1015.8 1019.4 1009.1 MAX. QNH PRESSURE IN HPA 1024.8 1020.5 1020.3 1017.9 1012.9 1002.0 999.0 1004.3 1015.2 1018.4 1020.4 1025.2 1025.2 DAY-HOUR 28- 6 21- 6 18- 6 16- 6 8- 6 10- 6 5- 6 15- 6 24- 6 19- 6 24- 6 28- 6 MIN. QNH PRESSURE IN HPA 1012.5 1010.7 1007.1 1004.0 1000.5 991.5 992.4 992.7 996.9 1006.9 1011.0 1009.0 991.5 DAY-HOUR 31-12 12-15 11-15 30-15 31-15 27-15 14-15 10-15 1- 3 3-12 13-12 4-12 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 1016.5 1014.5 1013.5 1009.6 1005.8 997.5 995.3 997.9 1005.7 1012.4 1015.3 1018.8 1008.6 MAX. QFE PRESSURE IN HPA 1021.7 1019.1 1018.1 1014.5 1011.0 1001.0 998.4 1002.0 1012.9 1015.7 1017.8 1022.5 1022.5 DAY 28 21 19 15 8 1 3 15 24 31 24 28 MIN. QFE PRESSURE IN HPA 1012.9 1011.0 1007.0 1005.4 1001.9 992.1 992.8 994.2 996.4 1007.1 1011.5 1010.3 992.1 DAY 16 13 12 30 27 28 21 1 1 4 13 4 MEAN QNH PRESSURE IN HPA 1017.0 1015.0 1014.0 1010.1 1006.3 998.0 995.8 998.3 1006.2 1012.9 1015.8 1019.3 1009.1 MAX. QNH PRESSURE IN HPA 1022.2 1019.6 1018.6 1015.0 1011.5 1001.5 998.9 1002.5 1013.4 1016.2 1018.3 1023.0 1023.0 DAY 28 21 19 15 8 1 3 15 24 31 24 28 MIN. QNH PRESSURE IN HPA 1013.4 1011.5 1007.5 1005.9 1002.4 992.6 993.3 994.7 996.9 1007.6 1012.0 1010.8 992.6 DAY 16 13 12 30 27 28 21 1 1 4 13 4 MEAN QFF PRESSURE IN HPA 1017.3 1015.3 1014.3 1010.4 1006.6 998.3 996.1 998.6 1006.5 1013.1 1016.0 1019.6 1009.3 MAX. QFF PRESSURE IN HPA 1022.5 1019.9 1018.9 1015.3 1011.7 1001.7 999.1 1002.7 1013.6 1016.5 1018.6 1023.3 1023.3 DAY 28 21 19 15 8 1 3 15 24 31 24 28 MIN. QFF PRESSURE IN HPA 1013.7 1011.8 1007.8 1006.1 1002.6 992.8 993.5 994.9 997.1 1007.8 1012.2 1011.0 992.8 DAY 16 13 12 30 27 28 21 1 1 4 13 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 1994 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1018.4 1016.1 1015.3 1011.3 1007.2 998.5 996.1 999.1 1007.5 1014.1 1017.1 1020.6 1010.1 MAX. QFE PRESSURE IN HPA 1024.3 1020.0 1019.8 1017.4 1012.4 1001.5 998.5 1003.8 1014.7 1017.9 1019.9 1024.7 1024.7 DAY 28 21 18 16 8 10 5 15 24 19 24 28 MIN. QFE PRESSURE IN HPA 1014.6 1011.9 1008.5 1006.5 1002.5 993.0 993.2 994.9 999.6 1008.7 1013.0 1011.3 993.0 DAY 16 12 12 30 31 28 21 10 1 4 13 4 MEAN QNH PRESSURE IN HPA 1018.9 1016.6 1015.8 1011.8 1007.7 998.9 996.6 999.6 1008.0 1014.6 1017.6 1021.1 1010.6 MAX. QNH PRESSURE IN HPA 1024.8 1020.5 1020.3 1017.9 1012.9 1002.0 999.0 1004.3 1015.2 1018.4 1020.4 1025.2 1025.2 DAY 28 21 18 16 8 10 5 15 24 19 24 28 MIN. QNH PRESSURE IN HPA 1015.1 1012.4 1009.0 1007.0 1003.0 993.5 993.7 995.4 1000.1 1009.2 1013.5 1011.8 993.5 DAY 16 12 12 30 31 28 21 10 1 4 13 4 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 1016.8 1015.3 1014.4 1010.7 1006.7 998.1 995.5 998.6 1007.0 1012.7 1015.4 1019.2 1009.2 MAX. QFE PRESSURE IN HPA 1023.2 1018.4 1019.1 1016.6 1011.4 1000.6 998.5 1003.0 1013.6 1015.9 1018.1 1023.1 1023.2 DAY 28 21 18 15 8 14 5 15 24 19 23 28 MIN. QFE PRESSURE IN HPA 1013.3 1012.1 1008.3 1005.9 1002.0 993.2 993.2 994.2 998.7 1008.1 1011.5 1009.5 993.2 DAY 16 12 12 30 31 28 21 10 1 3 13 4 MEAN QNH PRESSURE IN HPA 1017.3 1015.8 1014.9 1011.1 1007.2 998.5 995.9 999.0 1007.5 1013.2 1015.9 1019.6 1009.7 MAX. QNH PRESSURE IN HPA 1023.7 1018.9 1019.6 1017.1 1011.9 1001.1 999.0 1003.5 1014.1 1016.4 1018.6 1023.6 1023.7 DAY 28 21 18 15 8 14 5 15 24 19 23 28 MIN. QNH PRESSURE IN HPA 1013.8 1012.6 1008.8 1006.4 1002.5 993.7 993.7 994.7 999.2 1008.6 1012.0 1010.0 993.7 DAY 16 12 12 30 31 28 21 10 1 3 13 4 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 1013.6 1012.7 1009.0 1005.3 996.6 994.2 996.7 1005.8 1011.2 1014.0 1017.7 1007.7 MAX. QFE PRESSURE IN HPA 1021.5 1016.6 1017.0 1014.2 1010.0 999.5 997.5 1001.3 1012.2 1014.3 1016.5 1021.5 1021.5 DAY 28 21 18 15 14 1 5 15 23 31 23 28 MIN. QFE PRESSURE IN HPA 1012.0 1010.4 1007.8 1004.3 1001.0 992.5 991.9 992.9 997.1 1006.4 1010.5 1008.5 991.9 DAY 31 12 12 30 28 27 27 10 1 3 13 4 MEAN QNH PRESSURE IN HPA 1016.0 1014.1 1013.2 1009.5 1005.8 997.1 994.7 997.2 1006.3 1011.7 1014.5 1018.1 1008.2 MAX. QNH PRESSURE IN HPA 1022.0 1017.1 1017.5 1014.7 1010.5 1000.0 998.0 1001.8 1012.7 1014.8 1017.0 1022.0 1022.0 DAY 28 21 18 15 14 1 5 15 23 31 23 28 MIN. QNH PRESSURE IN HPA 1012.5 1010.9 1008.3 1004.8 1001.5 993.0 992.4 993.4 997.6 1006.9 1011.0 1009.0 992.4 DAY 31 12 12 30 28 27 27 10 1 3 13 4 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 1994 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1015.9 1013.9 1012.7 1008.7 1005.0 996.1 993.8 996.2 1005.4 1011.5 1014.6 1018.3 1007.7 MAX. QFE PRESSURE IN HPA 1021.3 1016.9 1017.4 1013.9 1009.8 999.1 997.1 1000.2 1012.2 1015.1 1017.0 1022.0 1022.0 DAY 28 20 18 15 7 14 6 15 23 18 22 27 MIN. QFE PRESSURE IN HPA 1012.7 1010.2 1006.6 1003.5 1000.0 991.0 991.9 992.2 996.5 1006.4 1011.3 1009.2 991.0 DAY 31 12 11 30 31 27 14 10 1 5 13 4 MEAN QNH PRESSURE IN HPA 1016.4 1014.3 1013.1 1009.2 1005.5 996.6 994.3 996.7 1005.9 1011.9 1015.1 1018.8 1008.2 MAX. QNH PRESSURE IN HPA 1021.8 1017.4 1017.9 1014.4 1010.3 999.6 997.6 1000.7 1012.7 1015.6 1017.5 1022.5 1022.5 DAY 28 20 18 15 7 14 6 15 23 18 22 27 MIN. QNH PRESSURE IN HPA 1013.2 1010.7 1007.1 1004.0 1000.5 991.5 992.4 992.7 997.0 1006.9 1011.8 1009.7 991.5 DAY 31 12 11 30 31 27 14 10 1 5 13 4 MEAN QFF PRESSURE IN HPA 1016.6 1014.6 1013.4 1009.5 1005.7 996.8 994.5 997.0 1006.2 1012.2 1015.3 1019.1 1008.4 MAX. QFF PRESSURE IN HPA 1022.1 1017.7 1018.2 1014.7 1010.5 999.8 997.8 1000.9 1012.9 1015.8 1017.8 1022.8 1022.8 DAY 28 20 18 15 7 14 6 15 23 18 22 27 MIN. QFF PRESSURE IN HPA 1013.5 1011.0 1007.4 1004.2 1000.7 991.7 992.6 992.9 997.2 1007.1 1012.0 1009.9 991.7 DAY 31 12 11 30 31 27 14 10 1 5 13 4 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 1995 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 22.0 22.0 22.3 25.4 29.1 31.7 32.7 34.3 32.9 30.8 27.2 22.1 27.7 MINIMUN AIR TEMPERATURE (C) 18.9 19.4 19.6 22.5 25.9 28.5 30.1 31.0 29.5 27.2 24.3 19.9 24.7 DAYS WITH MINIMUM TEMP. >=21 7 8 9 23 31 30 31 31 30 31 30 9 270 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 16.0 16.4 19.6 22.2 25.8 27.4 29.2 27.2 24.2 21.4 16.6 15.0 DAY 29 14 15 2 6 26 23 30 21 31 20 30 MAXIMUM AIR TEMPERATURE (C) 23.8 24.0 24.2 27.6 31.3 33.8 34.7 36.4 35.0 32.7 29.1 23.6 29.7 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 5 19 30 31 31 30 31 12 0 189 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 26.5 29.5 26.6 31.0 37.6 36.2 36.6 40.0 40.0 35.0 32.0 27.6 40.0 DAY 5 4 26 19 27 21 29 5 3 3 4 3 DIF. BETWEEN (MAX.-MIN.) (C) 4.9 4.6 4.6 5.1 5.4 5.3 4.6 5.4 5.5 5.5 4.8 3.7 5.0 MEAN DAILY TEMP. (MDT) (C) 21.4 21.7 21.9 25.1 28.6 31.1 32.4 33.7 32.3 30.0 26.7 21.8 27.2 COOLING DEG. DAYS(BASE 21 0C) 22.2 28.0 34.6 121.9 236.7 304.3 353.7 394.4 337.7 277.8 170.5 37.8 2319.8 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 0.1 0.1 DEWPOINT (MEAN C) 14.9 14.7 16.4 19.9 23.3 26.7 27.3 27.6 25.1 22.9 18.0 16.9 21.1 MIXING RATIO (G/KG) 10.58 10.66 11.82 14.81 18.44 22.73 23.61 24.00 20.56 17.91 13.15 12.26 16.71 VAPOUR PRESSURE (HPA) 17.03 17.09 18.90 23.48 28.95 35.22 36.37 37.07 32.12 28.26 20.97 19.65 26.26 SATURATION DEF. (HPA) 9.54 9.49 8.07 9.12 11.73 11.61 13.24 17.18 18.05 16.38 15.36 7.06 12.24 RELATIVE HUMIDITY (MEAN %) 64 64 71 73 73 76 74 69 65 64 58 74 69 RELATIVE HUMIDITY (MAX. %) 74 74 79 85 84 84 83 82 77 77 68 81 79 RELATIVE HUMIDITY (MIN. %) 58 55 63 63 63 69 67 60 55 56 51 67 61 RELATIVE HUMIDITY (MEAN% 03UTC) 74 71 77 83 83 84 82 82 76 76 65 79 78 RELATIVE HUMIDITY (MEAN% 09UTC) 60 59 66 69 68 71 69 64 58 59 54 71 64 RELATIVE HUMIDITY (MEAN% 15UTC) 65 65 73 74 75 77 75 67 66 64 59 76 70 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 0.0 36.7 52.0 13.1 0.0 0.0 4.9 0.0 0.0 0.0 0.0 205.0 311.7 DAYS WITH PRECIPITATION >=10 0 1 1 1 0 0 0 0 0 0 0 7 10 DAYS WITH PRECIPITATION >= 5 0 2 3 1 0 0 0 0 0 0 0 7 13 DAYS WITH PRECIPITATION >= 1 0 2 8 1 0 0 1 0 0 0 0 10 22 DAYS WITH PRECIPITATION 0 5 8 1 0 0 2 0 0 0 0 14 30 GREATEST DAILY PRECIPITATION 0.0 31.0 26.0 13.1 0.0 0.0 4.0 0.0 0.0 0.0 0.0 66.0 66.0 DAY ** 24 14 24 ** ** 23 ** ** ** ** 16 DAY WITH THUNDER STORM 0 0 2 1 0 0 2 1 0 0 0 4 10 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 5 5 3 5 3 1 0 7 4 2 6 3 44 WIND DIRECTION (PREVAILING) 270 270 270 270 270 225 225 225 270 270 270 315 270 PREVAILING WIND SPEED(KNOTS) 10.7 10.6 12.4 11.0 9.4 7.2 7.7 8.3 8.4 8.9 9.6 8.7 9.7 PREVAILING WIND PERCENT 34.2 32.1 27.7 35.3 33.5 28.7 23.9 20.0 32.7 14.8 19.3 17.4 25.5 CALMS PERCENT OF WIND 30.3 20.7 18.1 13.3 15.5 18.7 20.6 23.2 22.0 27.7 31.3 31.0 22.7 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 271 286 275 273 264 263 227 237 246 340 333 306 272 VECTOR WIND MAGNITUDE(KNOTS) 4.6 3.8 2.9 4.3 4.9 4.6 3.1 0.8 3.7 1.3 2.7 1.7 2.9 WIND STEADINESES (MEAN %) 64.8 46.3 34.9 50.6 62.0 70.8 50.8 12.5 55.2 20.3 39.1 23.6 40.3 WIND SPEED (MEAN KNOTS) 7.1 8.2 8.3 8.5 7.9 6.5 6.1 6.4 6.7 6.4 6.9 7.2 7.2 FASTEST WIND DIRECTION 310 290 340 290 330 280 260 210 180 290 290 180 290 FASTEST WIND SPEED (KNOTS) 25 23 25 25 25 19 16 17 17 21 29 29 29 DAY 1 10 20 6 9 23 5 12 12 15 26 12 DAYS WITH SKY CLEAR (0-2)/8 26 16 15 17 31 30 23 31 30 30 29 4 282 DAYS WITH P.CLOUDY (3-6)/8 5 7 10 10 0 0 5 0 0 1 1 14 53 DAYS WITH CLOUDY (7-8)/8 0 5 6 3 0 0 3 0 0 0 0 13 30 DAYS WITH VISIBILITY =< 2 KM 0 0 0 1 5 0 0 2 3 0 0 3 14 DURATION OF SUNSHINE HOURS 263.7 214.5 227.5 273.3 338.8 353.2 279.1 315.8 300.3 299.6 276.5 134.5 3276.8 ======================================================================================================================= 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 1995 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1018.4 1015.1 1013.9 1010.4 1006.1 999.7 994.8 998.0 1004.6 1010.3 1013.9 1017.8 1008.6 MAX. QFE PRESSURE IN HPA 1023.9 1020.8 1020.3 1016.8 1011.2 1006.9 999.6 1004.1 1011.9 1016.9 1021.5 1023.3 1023.9 DAY-HOUR 18- 6 1- 6 3- 6 4- 6 3- 6 1- 9 28- 6 12- 6 13- 6 30- 6 30- 6 19- 6 MIN. QFE PRESSURE IN HPA 1013.1 1010.2 1007.3 1004.1 1000.5 995.0 989.5 991.4 996.8 1004.2 1006.5 1013.0 989.5 DAY-HOUR 13-12 23-15 26-12 24- 3 15-15 12-15 20-12 3-15 1-15 15-12 5-12 25- 9 MEAN QNH PRESSURE IN HPA 1018.9 1015.6 1014.4 1010.9 1006.6 1000.2 995.3 998.5 1005.1 1010.8 1014.4 1018.3 1009.1 MAX. QNH PRESSURE IN HPA 1024.4 1021.3 1020.8 1017.3 1011.7 1007.4 1000.1 1004.6 1012.4 1017.4 1022.0 1023.8 1024.4 DAY-HOUR 18- 6 1- 6 3- 6 4- 6 3- 6 1- 9 28- 6 12- 6 13- 6 30- 6 30- 6 19- 6 MIN. QNH PRESSURE IN HPA 1013.6 1010.7 1007.8 1004.6 1001.0 995.5 990.0 991.9 997.3 1004.7 1007.0 1013.5 990.0 DAY-HOUR 13-12 23-15 26-12 24- 3 15-15 12-15 20-12 3-15 1-15 15-12 5-12 25- 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 1018.4 1015.1 1013.7 1010.0 1005.9 999.7 995.2 998.4 1004.7 1010.2 1013.9 1017.6 1008.6 MAX. QFE PRESSURE IN HPA 1021.5 1019.3 1017.9 1015.1 1010.1 1005.6 999.0 1003.0 1010.2 1015.5 1019.2 1021.2 1021.5 DAY 18 1 3 4 3 2 4 12 13 30 30 19 MIN. QFE PRESSURE IN HPA 1014.4 1011.6 1008.5 1004.1 1001.5 996.0 990.7 993.3 998.0 1005.8 1007.7 1013.2 990.7 DAY 14 28 14 24 16 13 20 3 1 15 6 6 MEAN QNH PRESSURE IN HPA 1018.8 1015.6 1014.2 1010.5 1006.4 1000.2 995.7 998.9 1005.2 1010.7 1014.4 1018.1 1009.1 MAX. QNH PRESSURE IN HPA 1022.0 1019.8 1018.4 1015.6 1010.6 1006.1 999.5 1003.5 1010.7 1016.0 1019.7 1021.7 1022.0 DAY 18 1 3 4 3 2 4 12 13 30 30 19 MIN. QNH PRESSURE IN HPA 1014.9 1012.1 1009.0 1004.6 1002.0 996.5 991.2 993.8 998.5 1006.3 1008.2 1013.7 991.2 DAY 14 28 14 24 16 13 20 3 1 15 6 6 MEAN QFF PRESSURE IN HPA 1019.1 1015.9 1014.5 1010.7 1006.7 1000.5 995.9 999.1 1005.4 1011.0 1014.7 1018.4 1009.3 MAX. QFF PRESSURE IN HPA 1022.3 1020.1 1018.7 1015.9 1010.8 1006.3 999.7 1003.7 1010.9 1016.3 1020.0 1022.0 1022.3 DAY 18 1 3 4 3 2 4 12 13 30 30 19 MIN. QFF PRESSURE IN HPA 1015.2 1012.4 1009.3 1004.8 1002.2 996.7 991.4 994.0 998.7 1006.5 1008.4 1014.0 991.4 DAY 14 28 14 24 16 13 20 3 1 15 6 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 1995 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1020.1 1016.9 1015.4 1011.9 1007.3 1000.8 996.0 999.6 1006.2 1012.0 1015.6 1019.3 1010.1 MAX. QFE PRESSURE IN HPA 1023.9 1020.8 1020.3 1016.8 1011.2 1006.9 999.6 1004.1 1011.9 1016.9 1021.5 1023.3 1023.9 DAY 18 1 3 4 3 2 28 12 13 30 30 19 MIN. QFE PRESSURE IN HPA 1016.1 1013.6 1009.7 1007.2 1002.7 997.0 991.9 994.4 999.1 1006.7 1009.1 1015.5 991.9 DAY 14 28 14 16 15 13 17 3 1 15 6 12 MEAN QNH PRESSURE IN HPA 1020.6 1017.4 1015.9 1012.4 1007.8 1001.3 996.4 1000.1 1006.7 1012.4 1016.1 1019.8 1010.6 MAX. QNH PRESSURE IN HPA 1024.4 1021.3 1020.8 1017.3 1011.7 1007.4 1000.1 1004.6 1012.4 1017.4 1022.0 1023.8 1024.4 DAY 18 1 3 4 3 2 28 12 13 30 30 19 MIN. QNH PRESSURE IN HPA 1016.6 1014.1 1010.2 1007.7 1003.2 997.5 992.4 994.9 999.6 1007.2 1009.6 1016.0 992.4 DAY 14 28 14 16 15 13 17 3 1 15 6 12 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 1018.7 1015.6 1014.7 1011.2 1006.8 1000.4 995.4 998.7 1005.2 1010.6 1014.0 1018.0 1009.1 MAX. QFE PRESSURE IN HPA 1021.9 1018.9 1019.2 1015.6 1010.9 1006.9 999.5 1003.5 1010.5 1015.3 1020.1 1021.8 1021.9 DAY 18 1 3 3 26 1 28 19 13 24 30 19 MIN. QFE PRESSURE IN HPA 1014.9 1012.4 1009.2 1006.5 1002.0 996.7 991.0 993.5 998.4 1005.4 1007.9 1013.0 991.0 DAY 14 27 26 15 15 13 20 3 1 15 6 25 MEAN QNH PRESSURE IN HPA 1019.2 1016.1 1015.2 1011.7 1007.3 1000.9 995.9 999.2 1005.7 1011.1 1014.5 1018.5 1009.6 MAX. QNH PRESSURE IN HPA 1022.4 1019.4 1019.7 1016.1 1011.4 1007.4 1000.0 1004.0 1011.0 1015.8 1020.6 1022.3 1022.4 DAY 18 1 3 3 26 1 28 19 13 24 30 19 MIN. QNH PRESSURE IN HPA 1015.4 1012.9 1009.7 1007.0 1002.5 997.2 991.5 994.0 998.9 1005.9 1008.4 1013.5 991.5 DAY 14 27 26 15 15 13 20 3 1 15 6 25 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 1017.1 1013.8 1012.9 1009.6 1005.4 999.0 993.9 996.9 1003.6 1009.2 1012.7 1016.7 1007.6 MAX. QFE PRESSURE IN HPA 1020.5 1017.8 1017.2 1013.7 1009.5 1005.5 997.5 1001.3 1008.4 1014.1 1019.7 1020.0 1020.5 DAY 18 1 3 3 3 2 4 12 13 30 30 19 MIN. QFE PRESSURE IN HPA 1013.1 1010.6 1007.3 1005.0 1000.8 995.3 989.5 991.8 997.0 1004.2 1006.5 1013.3 989.5 DAY 13 23 26 15 15 18 20 3 1 15 5 25 MEAN QNH PRESSURE IN HPA 1017.6 1014.3 1013.4 1010.1 1005.9 999.5 994.4 997.4 1004.1 1009.7 1013.2 1017.2 1008.1 MAX. QNH PRESSURE IN HPA 1021.0 1018.3 1017.7 1014.2 1010.0 1006.0 998.0 1001.8 1008.9 1014.6 1020.2 1020.5 1021.0 DAY 18 1 3 3 3 2 4 12 13 30 30 19 MIN. QNH PRESSURE IN HPA 1013.6 1011.1 1007.8 1005.5 1001.3 995.8 990.0 992.3 997.5 1004.7 1007.0 1013.8 990.0 DAY 13 23 26 15 15 18 20 3 1 15 5 25 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 1995 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1017.8 1014.3 1013.1 1009.5 1005.1 998.5 993.8 996.7 1003.5 1009.6 1013.2 1017.5 1007.7 MAX. QFE PRESSURE IN HPA 1020.6 1017.8 1017.6 1013.8 1009.0 1004.7 997.2 1001.3 1008.0 1014.4 1019.3 1021.1 1021.1 DAY 18 1 3 3 3 1 28 11 13 24 30 19 MIN. QFE PRESSURE IN HPA 1013.5 1010.2 1007.8 1005.0 1000.5 995.0 989.6 991.4 996.8 1005.0 1007.0 1013.8 989.6 DAY 13 23 26 15 15 12 20 3 1 15 5 4 MEAN QNH PRESSURE IN HPA 1018.3 1014.8 1013.6 1010.0 1005.6 999.0 994.2 997.2 1004.0 1010.0 1013.7 1018.0 1008.2 MAX. QNH PRESSURE IN HPA 1021.1 1018.3 1018.1 1014.3 1009.5 1005.2 997.7 1001.8 1008.5 1014.9 1019.8 1021.6 1021.6 DAY 18 1 3 3 3 1 28 11 13 24 30 19 MIN. QNH PRESSURE IN HPA 1014.0 1010.7 1008.3 1005.5 1001.0 995.5 990.1 991.9 997.3 1005.5 1007.5 1014.3 990.1 DAY 13 23 26 15 15 12 20 3 1 15 5 4 MEAN QFF PRESSURE IN HPA 1018.5 1015.1 1013.8 1010.3 1005.8 999.2 994.5 997.4 1004.2 1010.3 1014.0 1018.3 1008.5 MAX. QFF PRESSURE IN HPA 1021.4 1018.6 1018.4 1014.6 1009.7 1005.4 997.9 1002.0 1008.7 1015.1 1020.1 1021.9 1021.9 DAY 18 1 3 3 3 1 28 11 13 24 30 19 MIN. QFF PRESSURE IN HPA 1014.3 1011.0 1008.6 1005.7 1001.2 995.7 990.3 992.1 997.5 1005.7 1007.7 1014.6 990.3 DAY 13 23 26 15 15 12 20 3 1 15 5 4 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 1996 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 20.5 21.4 22.7 26.3 30.0 33.1 35.0 34.8 33.1 30.4 26.6 22.8 28.1 MINIMUN AIR TEMPERATURE (C) 17.8 18.5 20.4 23.5 26.7 30.0 31.5 31.7 30.4 26.7 23.7 18.9 25.0 DAYS WITH MINIMUM TEMP. >=21 2 0 15 26 31 30 31 31 30 31 25 5 257 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) 15.2 16.2 17.6 18.2 24.0 28.0 29.4 30.6 27.8 23.0 19.0 16.6 15.2 DAY 17 26 2 7 1 9 2 7 30 24 26 15 MAXIMUM AIR TEMPERATURE (C) 22.3 23.4 24.4 28.4 32.2 35.2 37.5 36.8 35.2 32.5 28.4 24.9 30.1 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 7 29 30 31 31 30 31 8 0 197 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 25.0 26.0 26.6 31.0 35.0 38.4 41.4 39.2 36.4 34.8 31.2 26.4 41.4 DAY 8 11 3 10 10 18 21 16 17 2 9 2 DIF. BETWEEN (MAX.-MIN.) (C) 4.5 4.9 4.0 4.9 5.5 5.2 6.0 5.1 4.8 5.8 4.7 6.0 5.1 MEAN DAILY TEMP. (MDT) (C) 20.1 20.9 22.4 25.9 29.5 32.6 34.5 34.2 32.8 29.6 26.1 21.9 27.5 COOLING DEG. DAYS(BASE 21 0C) 10.4 12.0 46.0 148.2 262.7 348.2 418.0 410.0 353.5 266.1 152.0 29.6 2456.9 HEATING DEG. DAYS(BASE 18 0C) 2.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 2.4 DEWPOINT (MEAN C) 13.6 15.9 18.1 20.5 24.4 27.1 27.8 27.4 26.6 20.9 15.5 13.7 21.0 MIXING RATIO (G/KG) 9.93 11.48 13.21 15.38 19.68 23.19 24.41 23.72 22.64 15.92 11.28 9.86 16.73 VAPOUR PRESSURE (HPA) 15.96 18.37 21.02 24.33 30.81 35.89 37.61 36.68 35.20 25.19 18.05 15.88 26.25 SATURATION DEF. (HPA) 8.29 7.20 6.61 10.09 11.84 14.81 18.77 19.01 15.54 18.36 17.06 12.01 13.30 RELATIVE HUMIDITY (MEAN %) 66 72 76 71 73 72 68 67 70 58 52 58 67 RELATIVE HUMIDITY (MAX. %) 75 83 85 82 85 83 81 81 80 69 61 69 78 RELATIVE HUMIDITY (MIN. %) 57 63 69 62 62 63 56 57 63 51 44 50 58 RELATIVE HUMIDITY (MEAN% 03UTC) 70 81 82 82 84 82 81 81 79 69 61 68 77 RELATIVE HUMIDITY (MEAN% 09UTC) 64 67 74 67 68 66 65 59 65 53 48 53 62 RELATIVE HUMIDITY (MEAN% 15UTC) 68 74 78 71 72 73 66 66 71 58 52 60 67 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 133.7 19.6 168.2 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 8.0 329.6 DAYS WITH PRECIPITATION >=10 4 0 6 0 0 0 0 0 0 0 0 0 10 DAYS WITH PRECIPITATION >= 5 5 3 7 0 0 0 0 0 0 0 0 0 15 DAYS WITH PRECIPITATION >= 1 7 4 10 0 0 0 0 0 0 0 0 2 23 DAYS WITH PRECIPITATION 8 4 16 3 0 0 0 0 0 0 1 2 34 GREATEST DAILY PRECIPITATION 42.0 7.6 45.0 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 4.0 45.0 DAY 18 28 13 17 ** ** ** ** ** ** ** 23 DAY WITH THUNDER STORM 1 0 4 0 0 0 0 0 0 0 0 1 6 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 1 9 6 4 4 2 2 8 2 3 6 0 47 WIND DIRECTION (PREVAILING) 45 45 45 270 270 225 45 270 270 270 45 45 270 PREVAILING WIND SPEED(KNOTS) 10.9 10.4 10.4 10.9 11.0 9.5 10.5 7.3 7.9 7.5 12.2 7.0 9.4 PREVAILING WIND PERCENT 24.5 17.9 29.0 34.0 26.5 26.7 16.1 14.8 26.7 23.2 22.0 21.3 19.0 CALMS PERCENT OF WIND 18.1 22.1 12.9 16.7 21.3 14.7 22.6 27.1 23.3 23.2 29.3 38.1 22.5 NO. OF WIND OBSERVATION 155 145 155 150 155 150 155 155 150 155 150 155 1830 VECTOR WIND DIRECTION (MEAN) 49 63 360 287 264 241 60 218 241 244 28 359 288 VECTOR WIND MAGNITUDE(KNOTS) 3.7 1.1 2.5 4.0 5.1 4.2 0.4 2.0 3.5 1.5 3.2 1.0 1.1 WIND STEADINESES (MEAN %) 43.0 12.8 27.8 46.0 67.1 55.3 6.2 30.3 58.3 23.4 42.1 21.3 15.1 WIND SPEED (MEAN KNOTS) 8.6 8.6 9.0 8.7 7.6 7.6 6.5 6.6 6.0 6.4 7.6 4.7 7.3 FASTEST WIND DIRECTION 120 180 300 300 230 240 40 200 210 60 300 270 120 FASTEST WIND SPEED (KNOTS) 29 29 25 27 17 16 16 16 21 19 23 19 29 DAY 18 5 29 5 21 4 15 8 4 20 10 24 DAYS WITH SKY CLEAR (0-2)/8 13 15 7 22 22 30 26 28 30 31 21 27 272 DAYS WITH P.CLOUDY (3-6)/8 15 11 12 7 9 0 5 3 0 0 9 4 75 DAYS WITH CLOUDY (7-8)/8 3 3 12 1 0 0 0 0 0 0 0 0 19 DAYS WITH VISIBILITY =< 2 KM 0 0 3 0 3 0 4 0 1 1 0 0 12 DURATION OF SUNSHINE HOURS 224.1 235.5 193.2 295.1 323.3 337.2 314.4 302.6 288.9 310.1 267.4 284.3 3376.1 ======================================================================================================================= 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 1996 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1016.7 1014.2 1011.6 1008.8 1005.5 999.1 996.5 999.0 1003.1 1010.8 1014.9 1018.3 1008.2 MAX. QFE PRESSURE IN HPA 1023.4 1018.8 1016.3 1015.5 1010.8 1005.7 1003.4 1005.1 1012.0 1016.0 1022.8 1023.7 1023.7 DAY-HOUR 28- 6 7- 6 1- 6 8- 6 4- 6 1- 6 3- 6 27- 6 25- 6 13- 6 15- 6 28- 6 MIN. QFE PRESSURE IN HPA 1007.8 1009.0 1005.7 1004.5 998.0 994.1 992.4 993.3 998.6 1004.0 1009.8 1013.5 992.4 DAY-HOUR 12- 3 5- 3 20- 3 28-12 29-12 20-12 12-12 3-15 18-15 4-12 1-12 15-12 MEAN QNH PRESSURE IN HPA 1017.2 1014.7 1012.0 1009.3 1006.0 999.6 997.0 999.5 1003.5 1011.3 1015.4 1018.8 1008.7 MAX. QNH PRESSURE IN HPA 1023.9 1019.3 1016.8 1016.0 1011.3 1006.2 1003.9 1005.6 1012.5 1016.5 1023.3 1024.2 1024.2 DAY-HOUR 28- 6 7- 6 1- 6 8- 6 4- 6 1- 6 3- 6 27- 6 25- 6 13- 6 15- 6 28- 6 MIN. QNH PRESSURE IN HPA 1008.3 1009.5 1006.2 1005.0 998.5 994.6 992.9 993.8 999.1 1004.5 1010.3 1014.0 992.9 DAY-HOUR 12- 3 5- 3 20- 3 28-12 29-12 20-12 12-12 3-15 18-15 4-12 1-12 15-12 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 1014.0 1011.2 1008.6 1005.1 999.5 996.7 999.4 1003.2 1010.9 1015.0 1018.4 1008.2 MAX. QFE PRESSURE IN HPA 1021.5 1017.3 1014.7 1013.8 1008.2 1004.7 1002.5 1003.5 1010.6 1014.7 1021.2 1022.0 1022.0 DAY 28 8 2 8 17 1 3 27 25 24 16 28 MIN. QFE PRESSURE IN HPA 1007.8 1009.0 1005.7 1005.5 998.6 995.0 993.1 993.9 999.8 1005.3 1011.0 1015.2 993.1 DAY 12 5 20 28 30 20 12 14 19 4 1 16 MEAN QNH PRESSURE IN HPA 1016.9 1014.4 1011.7 1009.1 1005.6 999.9 997.2 999.8 1003.7 1011.4 1015.5 1018.9 1008.7 MAX. QNH PRESSURE IN HPA 1022.0 1017.8 1015.2 1014.3 1008.7 1005.2 1003.0 1004.0 1011.1 1015.2 1021.7 1022.5 1022.5 DAY 28 8 2 8 17 1 3 27 25 24 16 28 MIN. QNH PRESSURE IN HPA 1008.3 1009.5 1006.2 1006.0 999.1 995.5 993.6 994.4 1000.3 1005.8 1011.5 1015.7 993.6 DAY 12 5 20 28 30 20 12 14 19 4 1 16 MEAN QFF PRESSURE IN HPA 1017.2 1014.7 1011.9 1009.3 1005.8 1000.2 997.5 1000.1 1003.9 1011.6 1015.7 1019.2 1008.9 MAX. QFF PRESSURE IN HPA 1022.3 1018.1 1015.5 1014.6 1008.9 1005.4 1003.2 1004.2 1011.3 1015.5 1022.0 1022.8 1022.8 DAY 28 8 2 8 17 1 3 27 25 24 16 28 MIN. QFF PRESSURE IN HPA 1008.6 1009.8 1006.5 1006.2 999.3 995.7 993.8 994.6 1000.5 1006.0 1011.7 1016.0 993.8 DAY 12 5 20 28 30 20 12 14 19 4 1 16 ======================================================================================================================= 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 1996 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1018.5 1015.9 1013.1 1010.3 1006.7 1000.5 997.7 1000.5 1004.6 1012.5 1016.6 1020.1 1009.7 MAX. QFE PRESSURE IN HPA 1023.4 1018.8 1016.3 1015.5 1010.8 1005.7 1003.4 1005.1 1012.0 1016.0 1022.8 1023.7 1023.7 DAY 28 7 1 8 4 1 3 27 25 13 15 28 MIN. QFE PRESSURE IN HPA 1009.2 1011.4 1008.5 1006.7 1000.2 995.5 994.6 995.4 1001.3 1006.9 1012.5 1017.0 994.6 DAY 12 5 20 28 30 20 12 14 19 4 1 16 MEAN QNH PRESSURE IN HPA 1019.0 1016.4 1013.6 1010.8 1007.2 1000.9 998.2 1001.0 1005.1 1013.0 1017.1 1020.6 1010.2 MAX. QNH PRESSURE IN HPA 1023.9 1019.3 1016.8 1016.0 1011.3 1006.2 1003.9 1005.6 1012.5 1016.5 1023.3 1024.2 1024.2 DAY 28 7 1 8 4 1 3 27 25 13 15 28 MIN. QNH PRESSURE IN HPA 1009.7 1011.9 1009.0 1007.2 1000.7 996.0 995.1 995.9 1001.8 1007.4 1013.0 1017.5 995.1 DAY 12 5 20 28 30 20 12 14 19 4 1 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 1017.0 1014.6 1012.1 1009.5 1006.3 999.7 997.2 999.6 1003.6 1011.1 1015.0 1018.3 1008.7 MAX. QFE PRESSURE IN HPA 1021.7 1018.0 1014.9 1014.7 1010.0 1005.2 1003.1 1003.6 1010.3 1014.5 1021.3 1021.8 1021.8 DAY 28 7 1 8 4 1 3 27 25 21 15 28 MIN. QFE PRESSURE IN HPA 1009.0 1010.7 1007.5 1005.9 1000.1 994.9 994.0 994.6 1000.3 1005.5 1011.2 1015.0 994.0 DAY 12 16 20 28 30 20 12 14 18 4 2 16 MEAN QNH PRESSURE IN HPA 1017.5 1015.1 1012.6 1010.0 1006.8 1000.2 997.7 1000.1 1004.1 1011.6 1015.5 1018.8 1009.2 MAX. QNH PRESSURE IN HPA 1022.2 1018.5 1015.4 1015.2 1010.5 1005.7 1003.6 1004.1 1010.8 1015.0 1021.8 1022.3 1022.3 DAY 28 7 1 8 4 1 3 27 25 21 15 28 MIN. QNH PRESSURE IN HPA 1009.5 1011.2 1008.0 1006.4 1000.6 995.4 994.5 995.1 1000.8 1006.0 1011.7 1015.5 994.5 DAY 12 16 20 28 30 20 12 14 18 4 2 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 1015.5 1013.0 1010.5 1007.9 1004.7 998.1 995.7 998.0 1002.0 1009.8 1013.8 1017.0 1007.2 MAX. QFE PRESSURE IN HPA 1020.2 1016.1 1013.9 1012.9 1008.1 1003.3 1002.4 1002.2 1008.5 1013.5 1019.9 1020.0 1020.2 DAY 28 7 1 7 4 1 3 27 25 23 15 8 MIN. QFE PRESSURE IN HPA 1008.8 1009.5 1006.3 1004.5 998.0 994.1 992.4 993.3 998.8 1004.0 1009.8 1013.5 992.4 DAY 12 22 19 28 29 20 12 14 18 4 1 15 MEAN QNH PRESSURE IN HPA 1016.0 1013.5 1011.0 1008.3 1005.2 998.6 996.1 998.5 1002.4 1010.3 1014.3 1017.5 1007.6 MAX. QNH PRESSURE IN HPA 1020.7 1016.6 1014.4 1013.4 1008.6 1003.8 1002.9 1002.7 1009.0 1014.0 1020.4 1020.5 1020.7 DAY 28 7 1 7 4 1 3 27 25 23 15 8 MIN. QNH PRESSURE IN HPA 1009.3 1010.0 1006.8 1005.0 998.5 994.6 992.9 993.8 999.3 1004.5 1010.3 1014.0 992.9 DAY 12 22 19 28 29 20 12 14 18 4 1 15 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 1996 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1016.2 1013.6 1011.0 1007.8 1004.5 997.9 995.4 997.7 1001.9 1010.0 1014.4 1017.7 1007.3 MAX. QFE PRESSURE IN HPA 1020.5 1017.0 1015.5 1013.1 1007.6 1003.3 1001.9 1001.4 1008.2 1013.7 1020.8 1021.0 1021.0 DAY 28 7 22 7 4 1 3 26 25 23 15 27 MIN. QFE PRESSURE IN HPA 1010.5 1010.0 1006.3 1004.8 998.2 994.3 992.4 993.3 998.6 1004.3 1010.5 1014.0 992.4 DAY 12 21 19 28 29 18 12 3 18 4 1 15 MEAN QNH PRESSURE IN HPA 1016.7 1014.1 1011.5 1008.3 1005.0 998.4 995.8 998.2 1002.4 1010.5 1014.9 1018.2 1007.8 MAX. QNH PRESSURE IN HPA 1021.0 1017.5 1016.0 1013.6 1008.1 1003.8 1002.4 1001.9 1008.7 1014.2 1021.3 1021.5 1021.5 DAY 28 7 22 7 4 1 3 26 25 23 15 27 MIN. QNH PRESSURE IN HPA 1011.0 1010.5 1006.8 1005.3 998.7 994.8 992.9 993.8 999.1 1004.8 1011.0 1014.5 992.9 DAY 12 21 19 28 29 18 12 3 18 4 1 15 MEAN QFF PRESSURE IN HPA 1016.9 1014.3 1011.8 1008.5 1005.3 998.6 996.1 998.4 1002.7 1010.8 1015.2 1018.5 1008.1 MAX. QFF PRESSURE IN HPA 1021.3 1017.8 1016.3 1013.9 1008.3 1004.0 1002.6 1002.1 1008.9 1014.5 1021.6 1021.8 1021.8 DAY 28 7 22 7 4 1 3 26 25 23 15 27 MIN. QFF PRESSURE IN HPA 1011.3 1010.8 1007.1 1005.5 998.9 995.0 993.1 994.0 999.3 1005.0 1011.2 1014.8 993.1 DAY 12 21 19 28 29 18 12 3 18 4 1 15 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 1997 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 21.0 21.5 21.8 24.3 28.5 32.5 33.4 33.9 33.4 31.2 26.2 23.1 27.6 MINIMUN AIR TEMPERATURE (C) 18.2 19.1 19.4 21.3 25.5 29.3 31.1 31.3 30.1 27.9 23.6 20.4 24.8 DAYS WITH MINIMUM TEMP. >=21 3 4 5 18 31 30 31 31 30 30 27 17 257 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 15.2 15.4 18.0 21.8 25.6 29.6 29.0 27.6 19.8 18.2 16.4 15.0 DAY 25 18 3 4 4 5 4 21 17 31 27 5 MAXIMUM AIR TEMPERATURE (C) 22.7 23.3 23.6 26.4 30.4 34.8 35.4 35.8 35.4 33.2 27.9 25.0 29.5 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 2 20 30 31 31 30 30 7 0 181 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 24.6 28.6 27.4 31.0 33.6 40.2 37.8 38.0 36.8 35.0 30.8 26.6 40.2 DAY 8 22 5 19 13 29 27 9 12 1 6 9 DIF. BETWEEN (MAX.-MIN.) (C) 4.5 4.2 4.2 5.1 4.9 5.5 4.3 4.5 5.3 5.3 4.3 4.6 4.7 MEAN DAILY TEMP. (MDT) (C) 20.4 21.2 21.5 23.8 28.0 32.1 33.3 33.6 32.7 30.5 25.8 22.7 27.1 COOLING DEG. DAYS(BASE 21 0C) 9.6 18.2 25.8 85.2 216.2 332.4 380.8 389.6 352.4 295.4 143.1 53.0 2301.8 HEATING DEG. DAYS(BASE 18 0C) 0.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.5 DEWPOINT (MEAN C) 12.5 13.6 15.3 18.7 23.3 27.1 27.8 28.1 27.7 23.5 18.2 16.5 21.0 MIXING RATIO (G/KG) 9.17 9.86 11.04 13.71 18.36 23.39 24.30 24.71 23.92 18.66 13.30 11.78 16.85 VAPOUR PRESSURE (HPA) 14.76 15.84 17.65 21.78 28.84 36.19 37.42 38.14 37.19 29.42 21.23 18.89 26.45 SATURATION DEF. (HPA) 10.29 9.99 8.60 8.83 10.30 13.05 14.20 14.73 14.35 16.37 12.98 9.51 11.93 RELATIVE HUMIDITY (MEAN %) 59 61 68 72 74 74 73 73 73 65 62 67 68 RELATIVE HUMIDITY (MAX. %) 67 70 78 82 84 87 82 82 83 75 72 76 78 RELATIVE HUMIDITY (MIN. %) 52 54 60 63 66 63 66 65 65 57 56 60 61 RELATIVE HUMIDITY (MEAN% 03UTC) 65 68 75 81 83 86 80 82 82 71 69 73 76 RELATIVE HUMIDITY (MEAN% 09UTC) 57 57 64 67 69 69 68 67 67 62 61 63 64 RELATIVE HUMIDITY (MEAN% 15UTC) 60 62 68 72 75 75 74 73 75 66 63 68 69 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 68.0 0.0 117.3 10.5 0.0 0.0 0.0 0.0 0.0 42.0 30.5 22.4 290.7 DAYS WITH PRECIPITATION >=10 1 0 4 0 0 0 0 0 0 1 1 1 8 DAYS WITH PRECIPITATION >= 5 1 0 6 1 0 0 0 0 0 2 4 1 15 DAYS WITH PRECIPITATION >= 1 4 0 7 2 0 0 0 0 0 2 5 2 22 DAYS WITH PRECIPITATION 4 1 12 4 0 0 0 0 0 2 7 5 35 GREATEST DAILY PRECIPITATION 60.0 0.0 33.0 9.0 0.0 0.0 0.0 0.0 0.0 35.0 11.2 21.0 60.0 DAY 25 ** 16 23 ** ** ** ** ** 31 27 5 DAY WITH THUNDER STORM 0 0 3 0 0 0 0 0 0 3 10 3 19 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 3 9 5 4 2 0 2 3 1 2 4 3 38 WIND DIRECTION (PREVAILING) 270 270 270 270 270 225 225 270 270 270 270 270 270 PREVAILING WIND SPEED(KNOTS) 7.3 12.7 11.9 9.2 10.3 7.7 7.8 8.4 8.2 8.5 8.0 11.6 9.9 PREVAILING WIND PERCENT 19.4 50.7 29.0 27.3 41.9 19.3 24.5 19.4 23.3 23.9 20.0 24.5 26.2 CALMS PERCENT OF WIND 27.7 18.6 18.7 16.7 18.1 23.3 18.1 27.1 22.7 27.1 18.0 23.2 21.6 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 274 287 286 266 262 282 250 250 256 250 3 262 271 VECTOR WIND MAGNITUDE(KNOTS) 2.2 7.1 3.0 3.6 6.0 2.5 2.7 1.9 2.7 2.6 1.5 3.1 3.0 WIND STEADINESES (MEAN %) 33.3 72.4 33.3 49.3 80.0 37.9 41.5 30.2 42.9 43.3 20.8 37.3 41.1 WIND SPEED (MEAN KNOTS) 6.6 9.8 9.0 7.3 7.5 6.6 6.5 6.3 6.3 6.0 7.2 8.3 7.3 FASTEST WIND DIRECTION 240 300 240 300 290 30 270 120 240 150 270 280 240 FASTEST WIND SPEED (KNOTS) 29 23 23 23 17 14 17 16 14 25 29 25 29 DAY 25 1 16 13 18 20 11 5 4 15 12 5 DAYS WITH SKY CLEAR (0-2)/8 19 26 9 21 27 26 25 26 30 23 10 8 250 DAYS WITH P.CLOUDY (3-6)/8 10 1 7 6 4 4 6 5 0 7 16 21 87 DAYS WITH CLOUDY (7-8)/8 2 1 15 3 0 0 0 0 0 1 4 2 28 DAYS WITH VISIBILITY =< 2 KM 2 0 3 3 3 2 1 0 0 1 0 0 15 DURATION OF SUNSHINE HOURS 243.4 251.1 202.3 268.0 335.2 326.5 304.6 301.4 298.9 272.7 218.0 217.8 3239.9 ======================================================================================================================= 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 1997 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1016.9 1015.7 1013.0 1010.7 1006.6 999.7 995.7 998.7 1004.7 1011.6 1014.8 1016.6 1008.7 MAX. QFE PRESSURE IN HPA 1022.2 1019.9 1021.4 1016.6 1012.0 1008.5 999.5 1004.5 1010.8 1017.2 1020.0 1023.9 1023.9 DAY-HOUR 7- 6 13- 6 1- 6 13- 6 1- 6 4- 6 25- 6 31- 6 19- 6 31- 6 30- 6 29- 6 MIN. QFE PRESSURE IN HPA 1004.5 1011.4 1005.0 1006.3 1000.3 989.1 990.5 992.8 1000.5 1006.0 1010.7 1010.3 989.1 DAY-HOUR 17-12 23-12 25-15 10-15 30-15 29-12 11-12 1-15 2-15 1- 3 24-12 11-12 MEAN QNH PRESSURE IN HPA 1017.3 1016.2 1013.4 1011.2 1007.1 1000.1 996.2 999.2 1005.2 1012.1 1015.3 1017.1 1009.2 MAX. QNH PRESSURE IN HPA 1022.7 1020.4 1021.9 1017.1 1012.5 1009.0 1000.0 1005.0 1011.3 1017.7 1020.5 1024.4 1024.4 DAY-HOUR 7- 6 13- 6 1- 6 13- 6 1- 6 4- 6 25- 6 31- 6 19- 6 31- 6 30- 6 29- 6 MIN. QNH PRESSURE IN HPA 1005.0 1011.9 1005.5 1006.8 1000.8 989.6 991.0 993.3 1001.0 1006.5 1011.2 1010.8 989.6 DAY-HOUR 17-12 23-12 25-15 10-15 30-15 29-12 11-12 1-15 2-15 1- 3 24-12 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 1016.9 1015.3 1012.8 1010.5 1006.6 999.8 995.9 999.0 1004.8 1011.7 1014.7 1016.5 1008.7 MAX. QFE PRESSURE IN HPA 1020.8 1017.9 1019.0 1015.1 1010.8 1007.0 998.7 1003.2 1009.4 1014.9 1018.0 1021.0 1021.0 DAY 11 13 1 13 1 4 25 31 19 31 30 29 MIN. QFE PRESSURE IN HPA 1009.0 1012.0 1006.0 1006.8 1001.8 990.3 991.3 993.6 1001.7 1006.0 1011.5 1011.3 990.3 DAY 17 23 25 29 31 29 11 1 3 1 24 11 MEAN QNH PRESSURE IN HPA 1017.4 1015.8 1013.3 1011.0 1007.1 1000.3 996.4 999.5 1005.3 1012.2 1015.2 1017.0 1009.2 MAX. QNH PRESSURE IN HPA 1021.3 1018.4 1019.5 1015.6 1011.3 1007.5 999.2 1003.7 1009.9 1015.4 1018.5 1021.5 1021.5 DAY 11 13 1 13 1 4 25 31 19 31 30 29 MIN. QNH PRESSURE IN HPA 1009.5 1012.5 1006.5 1007.3 1002.3 990.8 991.8 994.1 1002.2 1006.5 1012.0 1011.8 990.8 DAY 17 23 25 29 31 29 11 1 3 1 24 11 MEAN QFF PRESSURE IN HPA 1017.7 1016.1 1013.6 1011.2 1007.4 1000.5 996.7 999.7 1005.5 1012.4 1015.5 1017.2 1009.5 MAX. QFF PRESSURE IN HPA 1021.6 1018.7 1019.8 1015.9 1011.5 1007.7 999.4 1003.9 1010.1 1015.6 1018.8 1021.8 1021.8 DAY 11 13 1 13 1 4 25 31 19 31 30 29 MIN. QFF PRESSURE IN HPA 1009.8 1012.8 1006.8 1007.5 1002.5 991.0 992.0 994.3 1002.4 1006.7 1012.3 1012.1 991.0 DAY 17 23 25 29 31 29 11 1 3 1 24 11 ======================================================================================================================= 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 1997 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1018.7 1017.4 1014.7 1012.3 1007.9 1001.0 996.9 1000.1 1006.3 1013.2 1016.4 1018.4 1010.3 MAX. QFE PRESSURE IN HPA 1022.2 1019.9 1021.4 1016.6 1012.0 1008.5 999.5 1004.5 1010.8 1017.2 1020.0 1023.9 1023.9 DAY 7 13 1 13 1 4 25 31 19 31 30 29 MIN. QFE PRESSURE IN HPA 1010.7 1014.8 1007.6 1009.5 1003.0 991.2 991.9 995.0 1003.0 1008.0 1013.5 1012.7 991.2 DAY 17 23 25 29 30 29 11 1 3 1 20 11 MEAN QNH PRESSURE IN HPA 1019.2 1017.9 1015.2 1012.8 1008.4 1001.5 997.4 1000.6 1006.8 1013.7 1016.9 1018.8 1010.8 MAX. QNH PRESSURE IN HPA 1022.7 1020.4 1021.9 1017.1 1012.5 1009.0 1000.0 1005.0 1011.3 1017.7 1020.5 1024.4 1024.4 DAY 7 13 1 13 1 4 25 31 19 31 30 29 MIN. QNH PRESSURE IN HPA 1011.2 1015.3 1008.1 1010.0 1003.5 991.7 992.4 995.5 1003.5 1008.5 1014.0 1013.2 991.7 DAY 17 23 25 29 30 29 11 1 3 1 20 11 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 1016.3 1013.5 1011.5 1007.3 1000.4 996.3 999.2 1005.3 1011.8 1015.0 1016.4 1009.2 MAX. QFE PRESSURE IN HPA 1020.3 1018.9 1020.0 1016.1 1011.7 1007.7 998.5 1003.7 1009.1 1016.7 1018.0 1021.0 1021.0 DAY 7 7 1 12 8 4 5 31 18 31 4 29 MIN. QFE PRESSURE IN HPA 1007.0 1013.2 1007.4 1008.2 1002.3 990.6 991.5 994.5 1002.4 1007.2 1012.0 1010.6 990.6 DAY 17 23 25 29 30 29 11 1 2 1 24 11 MEAN QNH PRESSURE IN HPA 1017.6 1016.8 1014.0 1012.0 1007.8 1000.9 996.7 999.7 1005.8 1012.3 1015.5 1016.9 1009.7 MAX. QNH PRESSURE IN HPA 1020.8 1019.4 1020.5 1016.6 1012.2 1008.2 999.0 1004.2 1009.6 1017.2 1018.5 1021.5 1021.5 DAY 7 7 1 12 8 4 5 31 18 31 4 29 MIN. QNH PRESSURE IN HPA 1007.5 1013.7 1007.9 1008.7 1002.8 991.1 992.0 995.0 1002.9 1007.7 1012.5 1011.1 991.1 DAY 17 23 25 29 30 29 11 1 2 1 24 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 1015.5 1014.5 1011.7 1009.8 1005.8 998.8 994.8 997.5 1003.6 1010.4 1013.6 1015.4 1007.6 MAX. QFE PRESSURE IN HPA 1019.0 1017.4 1018.0 1014.5 1009.9 1005.7 997.0 1002.0 1007.7 1015.2 1017.5 1020.1 1020.1 DAY 11 7 1 12 8 4 5 31 18 31 4 29 MIN. QFE PRESSURE IN HPA 1004.5 1011.4 1005.6 1006.7 1001.0 989.1 990.5 993.2 1000.9 1006.0 1010.7 1010.3 989.1 DAY 17 23 25 29 30 29 11 1 2 1 24 11 MEAN QNH PRESSURE IN HPA 1016.0 1015.0 1012.2 1010.3 1006.3 999.3 995.3 998.0 1004.1 1010.9 1014.1 1015.9 1008.1 MAX. QNH PRESSURE IN HPA 1019.5 1017.9 1018.5 1015.0 1010.4 1006.2 997.5 1002.5 1008.2 1015.7 1018.0 1020.6 1020.6 DAY 11 7 1 12 8 4 5 31 18 31 4 29 MIN. QNH PRESSURE IN HPA 1005.0 1011.9 1006.1 1007.2 1001.5 989.6 991.0 993.7 1001.4 1006.5 1011.2 1010.8 989.6 DAY 17 23 25 29 30 29 11 1 2 1 24 11 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 1997 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1016.1 1014.9 1012.1 1009.6 1005.6 998.4 994.5 997.6 1003.6 1010.9 1014.5 1016.4 1007.8 MAX. QFE PRESSURE IN HPA 1019.5 1017.3 1018.8 1015.0 1009.8 1005.2 996.7 1002.0 1007.3 1015.9 1018.3 1021.0 1021.0 DAY 10 12 9 12 8 4 14 31 18 31 4 29 MIN. QFE PRESSURE IN HPA 1006.0 1012.0 1005.0 1006.3 1000.3 989.2 990.5 992.8 1000.5 1006.2 1012.0 1011.5 989.2 DAY 17 23 25 10 30 29 11 1 2 1 24 11 MEAN QNH PRESSURE IN HPA 1016.6 1015.4 1012.6 1010.1 1006.1 998.9 995.0 998.1 1004.1 1011.3 1015.0 1016.8 1008.3 MAX. QNH PRESSURE IN HPA 1020.0 1017.8 1019.3 1015.5 1010.3 1005.7 997.2 1002.5 1007.8 1016.4 1018.8 1021.5 1021.5 DAY 10 12 9 12 8 4 14 31 18 31 4 29 MIN. QNH PRESSURE IN HPA 1006.5 1012.5 1005.5 1006.8 1000.8 989.7 991.0 993.3 1001.0 1006.7 1012.5 1012.0 989.7 DAY 17 23 25 10 30 29 11 1 2 1 24 11 MEAN QFF PRESSURE IN HPA 1016.9 1015.7 1012.9 1010.4 1006.3 999.1 995.3 998.3 1004.3 1011.6 1015.2 1017.1 1008.6 MAX. QFF PRESSURE IN HPA 1020.3 1018.1 1019.6 1015.8 1010.5 1005.9 997.4 1002.7 1008.0 1016.7 1019.1 1021.8 1021.8 DAY 10 12 9 12 8 4 14 31 18 31 4 29 MIN. QFF PRESSURE IN HPA 1006.8 1012.8 1005.8 1007.0 1001.0 989.9 991.2 993.5 1001.2 1006.9 1012.8 1012.3 989.9 DAY 17 23 25 29 30 29 11 1 2 1 24 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 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 1998 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 20.5 21.2 23.4 26.9 30.3 33.5 35.1 35.4 33.7 32.1 28.2 25.5 28.8 MINIMUN AIR TEMPERATURE (C) 18.2 18.0 20.5 23.6 27.1 29.9 32.0 32.1 29.9 28.7 24.5 22.0 25.6 DAYS WITH MINIMUM TEMP. >=21 3 2 14 29 31 30 31 31 30 31 30 22 284 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) 13.4 14.4 15.0 18.6 22.8 27.4 30.2 30.6 28.0 24.4 21.2 19.0 13.4 DAY 18 18 6 17 4 4 18 14 24 29 25 30 MAXIMUM AIR TEMPERATURE (C) 22.2 23.2 25.5 29.1 32.7 35.8 37.4 37.5 36.0 34.2 30.2 27.5 31.0 DAYS WITH MAXIMUM TEMP. >=30 0 0 4 11 25 30 31 31 30 31 22 0 215 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 25.0 26.6 33.6 33.6 39.6 38.4 41.8 41.0 37.6 38.6 31.6 29.2 41.8 DAY 1 8 27 22 27 19 28 15 17 13 6 2 DIF. BETWEEN (MAX.-MIN.) (C) 4.0 5.2 5.0 5.5 5.6 5.9 5.4 5.4 6.1 5.5 5.7 5.5 5.4 MEAN DAILY TEMP. (MDT) (C) 20.2 20.6 23.0 26.4 29.9 32.9 34.7 34.8 33.0 31.4 27.4 24.8 28.3 COOLING DEG. DAYS(BASE 21 0C) 8.9 13.9 69.0 161.0 275.5 356.2 425.7 428.3 359.1 323.3 190.9 116.7 2728.8 HEATING DEG. DAYS(BASE 18 0C) 3.9 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 4.2 DEWPOINT (MEAN C) 14.9 14.4 17.2 20.5 24.0 27.7 28.0 28.3 26.9 23.2 19.8 18.5 22.0 MIXING RATIO (G/KG) 10.91 10.52 12.57 15.49 19.23 24.21 24.71 25.11 22.98 18.39 14.69 13.57 17.70 VAPOUR PRESSURE (HPA) 17.50 16.89 20.04 24.51 30.13 37.42 38.02 38.74 35.73 28.96 23.39 21.69 27.75 SATURATION DEF. (HPA) 6.77 8.38 9.08 11.21 13.45 14.58 18.81 18.89 16.86 19.02 15.05 11.16 13.60 RELATIVE HUMIDITY (MEAN %) 72 67 70 70 70 73 68 68 69 61 62 67 68 RELATIVE HUMIDITY (MAX. %) 79 76 81 81 81 86 81 82 82 72 75 79 80 RELATIVE HUMIDITY (MIN. %) 66 61 59 61 61 61 57 59 59 52 54 59 59 RELATIVE HUMIDITY (MEAN% 03UTC) 76 75 79 80 79 85 80 81 82 71 74 77 78 RELATIVE HUMIDITY (MEAN% 09UTC) 70 63 66 64 65 68 65 61 63 55 57 62 63 RELATIVE HUMIDITY (MEAN% 15UTC) 72 68 69 70 72 74 67 68 70 63 61 69 69 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 90.1 15.0 35.7 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.8 141.7 DAYS WITH PRECIPITATION >=10 2 1 1 0 0 0 0 0 0 0 0 0 4 DAYS WITH PRECIPITATION >= 5 3 1 1 0 0 0 0 0 0 0 0 0 5 DAYS WITH PRECIPITATION >= 1 4 2 2 0 0 0 0 0 0 0 0 0 8 DAYS WITH PRECIPITATION 7 2 6 2 0 0 0 0 0 0 0 2 19 GREATEST DAILY PRECIPITATION 61.0 12.0 33.0 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.8 61.0 DAY 3 13 2 24 ** ** ** ** ** ** ** 18 DAY WITH THUNDER STORM 4 0 1 1 0 0 0 0 0 0 0 0 6 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 4 3 6 6 1 0 2 4 1 3 0 0 30 WIND DIRECTION (PREVAILING) 270 270 270 270 270 315 45 225 270 270 270 45 270 PREVAILING WIND SPEED(KNOTS) 10.7 12.8 11.5 12.3 9.6 6.6 10.9 8.4 5.9 5.7 7.1 7.7 9.6 PREVAILING WIND PERCENT 27.1 23.6 29.0 28.7 34.8 22.0 20.6 17.4 11.3 14.8 14.7 20.0 20.1 CALMS PERCENT OF WIND 18.1 19.3 15.5 20.0 27.1 20.0 14.2 25.2 46.0 41.9 50.0 43.9 28.4 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 270 307 307 263 264 299 17 237 250 341 303 26 283 VECTOR WIND MAGNITUDE(KNOTS) 3.9 1.0 2.9 5.1 5.0 2.6 1.1 1.4 0.8 0.9 1.7 1.2 1.9 WIND STEADINESES (MEAN %) 42.4 11.9 33.3 61.4 78.1 40.6 13.3 22.6 21.1 22.5 51.5 28.6 29.7 WIND SPEED (MEAN KNOTS) 9.2 8.4 8.7 8.3 6.4 6.4 8.3 6.2 3.8 4.0 3.3 4.2 6.4 FASTEST WIND DIRECTION 240 300 70 280 290 60 300 210 120 80 300 270 240 FASTEST WIND SPEED (KNOTS) 35 31 23 33 19 16 23 16 14 17 19 16 35 DAY 13 13 1 6 1 5 9 2 9 14 13 5 DAYS WITH SKY CLEAR (0-2)/8 9 19 17 22 25 29 24 30 29 31 30 23 288 DAYS WITH P.CLOUDY (3-6)/8 13 7 11 8 5 1 7 1 1 0 0 7 61 DAYS WITH CLOUDY (7-8)/8 9 2 3 0 1 0 0 0 0 0 0 1 16 DAYS WITH VISIBILITY =< 2 KM 1 0 0 2 2 2 0 10 3 0 1 3 24 DURATION OF SUNSHINE HOURS 202.4 241.6 249.5 294.8 333.2 326.6 307.4 326.4 303.9 308.5 285.2 258.0 3437.5 ======================================================================================================================= 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 1998 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1016.8 1015.9 1013.1 1009.3 1005.3 999.3 995.7 999.1 1003.4 1009.5 1014.3 1016.5 1008.2 MAX. QFE PRESSURE IN HPA 1022.7 1022.0 1018.6 1017.0 1011.7 1005.3 1001.2 1004.4 1009.5 1016.8 1019.3 1021.3 1022.7 DAY-HOUR 4- 6 4- 6 6- 6 12- 6 8- 6 5- 6 22- 6 24- 6 26- 6 29- 6 30- 6 28- 6 MIN. QFE PRESSURE IN HPA 1009.6 1008.7 1006.3 1003.2 999.0 992.0 990.5 993.7 998.6 1003.5 1009.7 1011.3 990.5 DAY-HOUR 13- 3 12-12 15-12 21-15 30-15 30-15 12-15 13-15 1-12 1-12 17-12 21-12 MEAN QNH PRESSURE IN HPA 1017.3 1016.4 1013.6 1009.8 1005.8 999.8 996.2 999.6 1003.9 1010.0 1014.8 1017.0 1008.7 MAX. QNH PRESSURE IN HPA 1023.2 1022.5 1019.1 1017.5 1012.2 1005.8 1001.7 1004.9 1010.0 1017.3 1019.8 1021.8 1023.2 DAY-HOUR 4- 6 4- 6 6- 6 12- 6 8- 6 5- 6 22- 6 24- 6 26- 6 29- 6 30- 6 28- 6 MIN. QNH PRESSURE IN HPA 1010.1 1009.2 1006.8 1003.7 999.5 992.5 991.0 994.2 999.1 1004.0 1010.2 1011.8 991.0 DAY-HOUR 13- 3 12-12 15-12 21-15 30-15 30-15 12-15 13-15 1-12 1-12 17-12 21-12 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 1016.6 1015.7 1013.0 1008.9 1005.1 999.6 996.1 999.5 1003.7 1009.5 1014.5 1016.6 1008.2 MAX. QFE PRESSURE IN HPA 1020.7 1020.0 1016.5 1015.8 1010.5 1004.1 1000.1 1003.5 1008.5 1015.5 1017.4 1019.4 1020.7 DAY 4 24 12 12 8 5 23 24 26 29 30 10 MIN. QFE PRESSURE IN HPA 1009.6 1010.5 1007.0 1004.0 999.9 993.5 991.5 994.5 1000.3 1004.3 1011.5 1012.3 991.5 DAY 13 13 30 21 30 30 8 13 1 1 18 21 MEAN QNH PRESSURE IN HPA 1017.1 1016.2 1013.5 1009.4 1005.6 1000.1 996.6 1000.0 1004.2 1010.0 1015.0 1017.1 1008.7 MAX. QNH PRESSURE IN HPA 1021.2 1020.5 1017.0 1016.3 1011.0 1004.6 1000.6 1004.0 1009.0 1016.0 1017.9 1019.9 1021.2 DAY 4 24 12 12 8 5 23 24 26 29 30 10 MIN. QNH PRESSURE IN HPA 1010.1 1011.0 1007.5 1004.5 1000.4 994.0 992.0 995.0 1000.8 1004.8 1012.0 1012.8 992.0 DAY 13 13 30 21 30 30 8 13 1 1 18 21 MEAN QFF PRESSURE IN HPA 1017.4 1016.5 1013.8 1009.7 1005.8 1000.3 996.8 1000.3 1004.4 1010.2 1015.2 1017.4 1009.0 MAX. QFF PRESSURE IN HPA 1021.5 1020.8 1017.3 1016.6 1011.2 1004.8 1000.8 1004.2 1009.2 1016.2 1018.2 1020.2 1021.5 DAY 4 24 12 12 8 5 23 24 26 29 30 10 MIN. QFF PRESSURE IN HPA 1010.4 1011.3 1007.7 1004.7 1000.6 994.2 992.2 995.2 1001.0 1005.0 1012.2 1013.1 992.2 DAY 13 13 30 21 30 30 8 13 1 1 18 21 ======================================================================================================================= 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 1998 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1018.5 1017.7 1014.5 1010.9 1006.7 1000.6 997.0 1000.7 1005.1 1011.2 1016.0 1018.4 1009.8 MAX. QFE PRESSURE IN HPA 1022.7 1022.0 1018.6 1017.0 1011.7 1005.3 1001.2 1004.4 1009.5 1016.8 1019.3 1021.3 1022.7 DAY 4 4 6 12 8 5 22 24 26 29 30 28 MIN. QFE PRESSURE IN HPA 1012.8 1012.5 1009.3 1005.7 1000.8 994.3 992.3 995.7 1001.6 1006.2 1013.0 1013.8 992.3 DAY 13 12 30 21 30 30 8 13 1 1 17 21 MEAN QNH PRESSURE IN HPA 1019.0 1018.2 1015.0 1011.3 1007.2 1001.1 997.5 1001.2 1005.6 1011.7 1016.5 1018.9 1010.3 MAX. QNH PRESSURE IN HPA 1023.2 1022.5 1019.1 1017.5 1012.2 1005.8 1001.7 1004.9 1010.0 1017.3 1019.8 1021.8 1023.2 DAY 4 4 6 12 8 5 22 24 26 29 30 28 MIN. QNH PRESSURE IN HPA 1013.3 1013.0 1009.8 1006.2 1001.3 994.8 992.8 996.2 1002.1 1006.7 1013.5 1014.3 992.8 DAY 13 12 30 21 30 30 8 13 1 1 17 21 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 1016.9 1016.4 1013.7 1010.2 1006.1 1000.0 996.3 999.8 1004.0 1009.8 1014.3 1016.4 1008.7 MAX. QFE PRESSURE IN HPA 1020.6 1020.5 1017.7 1016.0 1011.0 1004.0 1000.5 1003.5 1008.5 1015.5 1018.0 1019.3 1020.6 DAY 4 24 6 12 7 5 22 25 25 25 30 28 MIN. QFE PRESSURE IN HPA 1012.5 1010.7 1008.6 1005.0 999.8 993.8 992.2 995.0 1000.7 1005.2 1011.0 1011.8 992.2 DAY 13 12 15 21 30 30 8 13 1 1 17 21 MEAN QNH PRESSURE IN HPA 1017.4 1016.9 1014.2 1010.7 1006.6 1000.4 996.8 1000.2 1004.5 1010.3 1014.8 1016.9 1009.1 MAX. QNH PRESSURE IN HPA 1021.1 1021.0 1018.2 1016.5 1011.5 1004.5 1001.0 1004.0 1009.0 1016.0 1018.5 1019.8 1021.1 DAY 4 24 6 12 7 5 22 25 25 25 30 28 MIN. QNH PRESSURE IN HPA 1013.0 1011.2 1009.1 1005.5 1000.3 994.3 992.7 995.5 1001.2 1005.7 1011.5 1012.3 992.7 DAY 13 12 15 21 30 30 8 13 1 1 17 21 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 1015.7 1014.6 1012.0 1008.5 1004.6 998.4 994.7 998.0 1002.2 1008.5 1013.1 1015.2 1007.1 MAX. QFE PRESSURE IN HPA 1019.3 1018.5 1015.7 1013.7 1009.5 1002.0 998.5 1001.1 1006.7 1014.7 1016.5 1018.0 1019.3 DAY 4 4 12 11 7 5 23 25 25 26 30 28 MIN. QFE PRESSURE IN HPA 1010.4 1008.7 1006.3 1003.5 999.2 992.5 991.0 994.0 998.6 1003.5 1009.7 1011.3 991.0 DAY 29 12 15 22 30 30 8 13 1 1 17 21 MEAN QNH PRESSURE IN HPA 1016.1 1015.1 1012.5 1009.0 1005.0 998.9 995.2 998.5 1002.7 1009.0 1013.6 1015.7 1007.6 MAX. QNH PRESSURE IN HPA 1019.8 1019.0 1016.2 1014.2 1010.0 1002.5 999.0 1001.6 1007.2 1015.2 1017.0 1018.5 1019.8 DAY 4 4 12 11 7 5 23 25 25 26 30 28 MIN. QNH PRESSURE IN HPA 1010.9 1009.2 1006.8 1004.0 999.7 993.0 991.5 994.5 999.1 1004.0 1010.2 1011.8 991.5 DAY 29 12 15 22 30 30 8 13 1 1 17 21 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 1998 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1016.5 1015.2 1012.2 1008.3 1004.2 998.0 994.6 997.7 1002.2 1008.7 1013.7 1016.0 1007.3 MAX. QFE PRESSURE IN HPA 1020.7 1019.5 1015.8 1013.7 1009.2 1001.9 998.2 1000.4 1006.5 1014.2 1017.2 1018.8 1020.7 DAY 4 4 5 11 7 4 22 24 25 25 30 6 MIN. QFE PRESSURE IN HPA 1011.1 1009.1 1006.6 1003.2 999.0 992.0 990.5 993.7 999.0 1003.5 1009.9 1012.5 990.5 DAY 29 12 15 21 30 30 12 13 1 1 17 21 MEAN QNH PRESSURE IN HPA 1017.0 1015.6 1012.7 1008.8 1004.7 998.5 995.1 998.2 1002.7 1009.2 1014.2 1016.5 1007.8 MAX. QNH PRESSURE IN HPA 1021.2 1020.0 1016.3 1014.2 1009.7 1002.4 998.7 1000.9 1007.0 1014.7 1017.7 1019.3 1021.2 DAY 4 4 5 11 7 4 22 24 25 25 30 6 MIN. QNH PRESSURE IN HPA 1011.6 1009.6 1007.1 1003.7 999.5 992.5 991.0 994.2 999.5 1004.0 1010.4 1013.0 991.0 DAY 29 12 15 21 30 30 12 13 1 1 17 21 MEAN QFF PRESSURE IN HPA 1017.3 1015.9 1013.0 1009.0 1004.9 998.8 995.3 998.5 1002.9 1009.4 1014.5 1016.8 1008.0 MAX. QFF PRESSURE IN HPA 1021.5 1020.3 1016.6 1014.5 1009.9 1002.6 998.9 1001.1 1007.2 1014.9 1018.0 1019.6 1021.5 DAY 4 4 5 11 7 4 22 24 25 25 30 6 MIN. QFF PRESSURE IN HPA 1011.9 1009.9 1007.4 1003.9 999.7 992.7 991.2 994.4 999.7 1004.2 1010.6 1013.3 991.2 DAY 29 12 15 21 30 30 12 13 1 1 17 21 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 1999 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 22.4 23.2 23.7 27.5 30.5 33.0 33.8 34.8 33.0 31.1 28.4 24.1 28.8 MINIMUN AIR TEMPERATURE (C) 20.1 20.4 20.7 24.1 26.8 30.1 30.8 31.1 29.3 27.0 25.4 20.8 25.5 DAYS WITH MINIMUM TEMP. >=21 12 11 17 29 31 30 31 31 30 31 30 19 302 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) 15.4 16.8 17.0 20.2 22.6 27.0 28.4 29.2 27.8 24.0 21.0 16.6 15.4 DAY 24 18 20 14 17 9 4 6 22 25 20 31 MAXIMUM AIR TEMPERATURE (C) 24.2 25.1 25.8 30.0 33.5 35.3 36.1 37.2 35.3 33.3 30.4 26.2 31.0 DAYS WITH MAXIMUM TEMP. >=30 0 0 1 14 31 30 31 31 30 31 17 0 216 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 27.8 28.6 33.0 34.0 41.8 38.4 40.0 39.6 38.0 36.6 32.8 28.0 41.8 DAY 1 28 27 27 31 18 21 18 6 1 3 3 DIF. BETWEEN (MAX.-MIN.) (C) 4.1 4.7 5.1 5.9 6.7 5.2 5.3 6.1 6.0 6.3 5.0 5.4 5.5 MEAN DAILY TEMP. (MDT) (C) 22.1 22.7 23.3 27.1 30.1 32.7 33.4 34.1 32.3 30.2 27.9 23.5 28.3 COOLING DEG. DAYS(BASE 21 0C) 42.1 49.3 70.9 181.8 282.6 350.8 385.1 406.8 339.9 284.2 207.0 77.3 2677.8 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) 13.4 17.3 15.5 20.3 23.6 27.6 27.5 28.0 25.9 24.2 19.2 13.6 21.3 MIXING RATIO (G/KG) 9.85 12.42 11.35 15.26 18.98 24.00 23.92 24.68 21.56 19.30 14.22 9.88 17.12 VAPOUR PRESSURE (HPA) 15.81 19.87 18.10 24.14 29.66 37.11 36.87 38.06 33.58 30.37 22.62 15.89 26.84 SATURATION DEF. (HPA) 11.49 8.69 11.34 12.97 14.57 13.31 15.97 17.75 16.87 15.02 16.43 14.27 14.06 RELATIVE HUMIDITY (MEAN %) 58 70 62 66 69 74 71 69 67 68 58 53 65 RELATIVE HUMIDITY (MAX. %) 66 82 73 79 83 86 82 83 82 81 67 64 77 RELATIVE HUMIDITY (MIN. %) 51 61 54 54 57 64 61 57 57 59 51 46 56 RELATIVE HUMIDITY (MEAN% 03UTC) 64 80 72 78 81 85 81 82 81 80 66 62 76 RELATIVE HUMIDITY (MEAN% 09UTC) 54 68 58 60 64 68 67 65 62 62 54 49 61 RELATIVE HUMIDITY (MEAN% 15UTC) 60 71 64 69 68 75 70 69 68 68 59 54 66 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 14.5 50.8 6.9 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 72.2 DAYS WITH PRECIPITATION >=10 1 1 0 0 0 0 0 0 0 0 0 0 2 DAYS WITH PRECIPITATION >= 5 1 1 1 0 0 0 0 0 0 0 0 0 3 DAYS WITH PRECIPITATION >= 1 2 2 1 0 0 0 0 0 0 0 0 0 5 DAYS WITH PRECIPITATION 4 6 5 0 0 0 0 0 0 0 0 0 15 GREATEST DAILY PRECIPITATION 11.0 48.0 5.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 48.0 DAY 25 13 2 ** ** ** ** ** ** ** ** ** DAY WITH THUNDER STORM 2 2 1 0 0 0 0 0 0 0 1 0 6 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 4 3 4 6 3 1 5 2 5 0 2 1 36 WIND DIRECTION (PREVAILING) 45 45 270 270 270 225 45 45 225 225 270 45 270 PREVAILING WIND SPEED(KNOTS) 9.0 9.6 10.0 12.1 10.4 8.6 8.8 9.7 8.5 7.2 10.2 10.1 9.8 PREVAILING WIND PERCENT 24.5 18.6 30.3 28.7 27.1 30.7 21.3 24.5 14.0 23.2 24.0 31.6 18.8 CALMS PERCENT OF WIND 14.8 23.6 11.0 18.0 20.6 20.0 21.3 25.8 30.7 26.5 26.7 29.7 22.4 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 313 54 292 274 273 246 261 55 154 233 278 14 282 VECTOR WIND MAGNITUDE(KNOTS) 2.0 0.2 3.2 5.1 3.3 3.0 1.1 2.7 1.1 2.2 4.2 2.5 1.6 WIND STEADINESES (MEAN %) 21.7 2.6 37.6 63.0 45.2 49.2 15.5 40.3 17.5 40.0 56.8 36.2 22.2 WIND SPEED (MEAN KNOTS) 9.2 7.6 8.5 8.1 7.3 6.1 7.1 6.7 6.3 5.5 7.4 6.9 7.2 FASTEST WIND DIRECTION 300 180 300 280 280 240 250 60 180 210 300 60 180 FASTEST WIND SPEED (KNOTS) 27 39 31 25 23 16 17 16 17 19 23 23 39 DAY 22 6 17 19 3 3 1 27 7 14 29 6 DAYS WITH SKY CLEAR (0-2)/8 12 10 22 30 31 29 29 30 30 31 25 26 305 DAYS WITH P.CLOUDY (3-6)/8 16 14 5 0 0 1 2 1 0 0 5 5 49 DAYS WITH CLOUDY (7-8)/8 3 4 4 0 0 0 0 0 0 0 0 0 11 DAYS WITH VISIBILITY =< 2 KM 0 1 2 5 5 4 2 0 0 0 0 0 19 DURATION OF SUNSHINE HOURS 227.3 212.1 268.4 317.1 335.2 332.8 302.6 306.2 295.5 304.7 266.2 278.3 3446.4 ======================================================================================================================= 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 1999 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1015.6 1015.1 1011.3 1008.6 1002.7 999.1 996.2 998.3 1003.2 1009.6 1013.8 1017.5 1007.6 MAX. QFE PRESSURE IN HPA 1019.9 1020.3 1016.5 1013.8 1008.3 1005.2 1002.0 1004.7 1009.7 1014.7 1019.4 1021.5 1021.5 DAY-HOUR 16- 6 12- 6 20- 6 12- 6 1- 6 2- 6 8- 6 19- 6 30- 6 23- 6 14- 6 24- 6 MIN. QFE PRESSURE IN HPA 1008.0 1009.4 1006.3 1003.5 996.9 995.1 991.3 992.7 998.8 1005.0 1007.2 1012.7 991.3 DAY-HOUR 18-12 28-12 13-12 27-12 21-15 24-12 20-12 7-15 6-15 8-12 1-12 31-12 MEAN QNH PRESSURE IN HPA 1016.0 1015.6 1011.8 1009.1 1003.2 999.6 996.6 998.8 1003.6 1010.1 1014.3 1018.0 1008.1 MAX. QNH PRESSURE IN HPA 1020.4 1020.8 1017.0 1014.3 1008.8 1005.7 1002.5 1005.2 1010.2 1015.2 1019.9 1022.0 1022.0 DAY-HOUR 16- 6 12- 6 20- 6 12- 6 1- 6 2- 6 8- 6 19- 6 30- 6 23- 6 14- 6 24- 6 MIN. QNH PRESSURE IN HPA 1008.5 1009.9 1006.8 1004.0 997.4 995.6 991.8 993.2 999.3 1005.5 1007.7 1013.2 991.8 DAY-HOUR 18-12 28-12 13-12 27-12 21-15 24-12 20-12 7-15 6-15 8-12 1-12 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 1015.5 1015.1 1011.1 1008.3 1002.7 999.3 996.5 998.5 1003.4 1009.7 1013.7 1017.7 1007.6 MAX. QFE PRESSURE IN HPA 1018.2 1018.1 1015.0 1012.3 1007.0 1004.3 1001.4 1003.3 1008.3 1013.0 1017.2 1019.8 1019.8 DAY 16 12 20 12 1 1 8 19 29 16 14 24 MIN. QFE PRESSURE IN HPA 1009.5 1011.0 1007.5 1004.7 997.9 995.5 993.0 993.6 1000.7 1006.5 1008.3 1013.9 993.0 DAY 18 6 28 27 21 24 20 7 6 3 1 31 MEAN QNH PRESSURE IN HPA 1016.0 1015.6 1011.6 1008.8 1003.2 999.7 997.0 999.0 1003.8 1010.2 1014.2 1018.2 1008.1 MAX. QNH PRESSURE IN HPA 1018.7 1018.6 1015.5 1012.8 1007.5 1004.8 1001.9 1003.8 1008.8 1013.5 1017.7 1020.3 1020.3 DAY 16 12 20 12 1 1 8 19 29 16 14 24 MIN. QNH PRESSURE IN HPA 1010.0 1011.5 1008.0 1005.2 998.4 996.0 993.5 994.1 1001.2 1007.0 1008.8 1014.4 993.5 DAY 18 6 28 27 21 24 20 7 6 3 1 31 MEAN QFF PRESSURE IN HPA 1016.3 1015.8 1011.9 1009.0 1003.4 1000.0 997.2 999.3 1004.1 1010.5 1014.5 1018.4 1008.4 MAX. QFF PRESSURE IN HPA 1019.0 1018.9 1015.8 1013.1 1007.7 1005.0 1002.1 1004.0 1009.0 1013.7 1017.9 1020.6 1020.6 DAY 16 12 20 12 1 1 8 19 29 16 14 24 MIN. QFF PRESSURE IN HPA 1010.3 1011.8 1008.2 1005.4 998.6 996.2 993.7 994.3 1001.4 1007.2 1009.0 1014.7 993.7 DAY 18 6 28 27 21 24 20 7 6 3 1 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 1999 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1017.2 1016.9 1012.8 1010.0 1004.1 1000.5 997.5 999.8 1004.9 1011.4 1015.5 1019.3 1009.2 MAX. QFE PRESSURE IN HPA 1019.9 1020.3 1016.5 1013.8 1008.3 1005.2 1002.0 1004.7 1009.7 1014.7 1019.4 1021.5 1021.5 DAY 16 12 20 12 1 2 8 19 30 23 14 24 MIN. QFE PRESSURE IN HPA 1010.4 1012.4 1008.1 1006.2 999.5 997.2 993.8 994.6 1002.2 1008.2 1010.1 1015.4 993.8 DAY 18 28 2 27 21 24 20 7 10 3 1 31 MEAN QNH PRESSURE IN HPA 1017.7 1017.4 1013.3 1010.5 1004.6 1000.9 998.0 1000.3 1005.4 1011.9 1016.0 1019.8 1009.6 MAX. QNH PRESSURE IN HPA 1020.4 1020.8 1017.0 1014.3 1008.8 1005.7 1002.5 1005.2 1010.2 1015.2 1019.9 1022.0 1022.0 DAY 16 12 20 12 1 2 8 19 30 23 14 24 MIN. QNH PRESSURE IN HPA 1010.9 1012.9 1008.6 1006.7 1000.0 997.7 994.3 995.1 1002.7 1008.7 1010.6 1015.9 994.3 DAY 18 28 2 27 21 24 20 7 10 3 1 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 1015.8 1015.6 1012.1 1009.4 1003.5 999.8 996.8 998.8 1003.7 1009.9 1013.8 1017.6 1008.1 MAX. QFE PRESSURE IN HPA 1018.3 1019.0 1015.3 1013.2 1008.2 1004.7 1000.9 1003.8 1008.1 1013.2 1017.3 1019.6 1019.6 DAY 15 12 19 12 1 2 8 19 29 23 14 23 MIN. QFE PRESSURE IN HPA 1009.5 1011.8 1009.7 1005.6 999.2 996.8 992.7 994.2 1000.7 1006.5 1008.2 1013.6 992.7 DAY 18 28 28 27 21 24 20 7 17 3 1 31 MEAN QNH PRESSURE IN HPA 1016.2 1016.1 1012.6 1009.9 1004.0 1000.3 997.2 999.3 1004.2 1010.4 1014.3 1018.1 1008.5 MAX. QNH PRESSURE IN HPA 1018.8 1019.5 1015.8 1013.7 1008.7 1005.2 1001.4 1004.3 1008.6 1013.7 1017.8 1020.1 1020.1 DAY 15 12 19 12 1 2 8 19 29 23 14 23 MIN. QNH PRESSURE IN HPA 1010.0 1012.3 1010.2 1006.1 999.7 997.3 993.2 994.7 1001.2 1007.0 1008.7 1014.1 993.2 DAY 18 28 28 27 21 24 20 7 17 3 1 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 1014.3 1013.8 1010.2 1007.8 1001.8 998.3 995.2 997.2 1002.0 1008.3 1012.6 1016.2 1006.5 MAX. QFE PRESSURE IN HPA 1017.0 1017.3 1014.0 1011.4 1006.5 1003.3 998.4 1002.1 1006.2 1011.8 1016.0 1018.7 1018.7 DAY 12 12 19 11 1 1 8 19 29 23 14 24 MIN. QFE PRESSURE IN HPA 1008.0 1009.4 1006.3 1003.5 998.0 995.1 991.3 993.3 998.8 1005.0 1007.2 1012.7 991.3 DAY 18 28 13 27 21 24 20 7 17 8 1 31 MEAN QNH PRESSURE IN HPA 1014.8 1014.3 1010.7 1008.3 1002.3 998.8 995.7 997.7 1002.4 1008.8 1013.1 1016.6 1007.0 MAX. QNH PRESSURE IN HPA 1017.5 1017.8 1014.5 1011.9 1007.0 1003.8 998.9 1002.6 1006.7 1012.3 1016.5 1019.2 1019.2 DAY 12 12 19 11 1 1 8 19 29 23 14 24 MIN. QNH PRESSURE IN HPA 1008.5 1009.9 1006.8 1004.0 998.5 995.6 991.8 993.8 999.3 1005.5 1007.7 1013.2 991.8 DAY 18 28 13 27 21 24 20 7 17 8 1 31 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 1999 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1015.0 1014.3 1010.3 1007.6 1001.5 998.0 994.8 997.1 1001.9 1008.6 1013.3 1016.9 1006.6 MAX. QFE PRESSURE IN HPA 1017.5 1017.1 1014.0 1011.2 1006.0 1003.5 998.2 1001.8 1006.6 1011.7 1017.1 1019.2 1019.2 DAY 12 17 19 11 1 1 8 18 30 23 14 24 MIN. QFE PRESSURE IN HPA 1008.2 1009.9 1007.2 1003.6 996.9 995.2 991.7 992.7 998.8 1005.3 1008.3 1013.4 991.7 DAY 18 28 2 8 21 23 20 7 6 8 1 31 MEAN QNH PRESSURE IN HPA 1015.5 1014.8 1010.8 1008.1 1001.9 998.4 995.3 997.6 1002.4 1009.1 1013.8 1017.4 1007.1 MAX. QNH PRESSURE IN HPA 1018.0 1017.6 1014.5 1011.7 1006.5 1004.0 998.7 1002.3 1007.1 1012.2 1017.6 1019.7 1019.7 DAY 12 17 19 11 1 1 8 18 30 23 14 24 MIN. QNH PRESSURE IN HPA 1008.7 1010.4 1007.7 1004.1 997.4 995.7 992.2 993.2 999.3 1005.8 1008.8 1013.9 992.2 DAY 18 28 2 8 21 23 20 7 6 8 1 31 MEAN QFF PRESSURE IN HPA 1015.8 1015.1 1011.1 1008.3 1002.2 998.7 995.5 997.8 1002.6 1009.4 1014.0 1017.7 1007.3 MAX. QFF PRESSURE IN HPA 1018.3 1017.9 1014.8 1012.0 1006.7 1004.2 998.9 1002.5 1007.3 1012.4 1017.8 1020.0 1020.0 DAY 12 17 19 11 1 1 8 18 30 23 14 24 MIN. QFF PRESSURE IN HPA 1009.0 1010.7 1008.0 1004.3 997.6 995.9 992.4 993.4 999.5 1006.0 1009.0 1014.2 992.4 DAY 18 28 2 8 21 26 20 7 6 8 1 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 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 2000 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 22.4 21.7 23.2 27.3 30.2 31.6 34.5 34.3 32.6 30.8 26.6 22.9 28.2 MINIMUN AIR TEMPERATURE (C) 19.6 19.3 20.6 24.2 27.0 28.5 30.6 30.6 29.5 27.4 23.6 19.9 25.1 DAYS WITH MINIMUM TEMP. >=21 11 4 15 29 31 30 31 31 30 31 28 7 278 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) 16.0 15.0 18.0 18.8 24.2 25.0 28.0 28.6 27.0 24.4 20.0 17.0 15.0 DAY 16 13 9 9 6 3 7 26 20 27 27 22 MAXIMUM AIR TEMPERATURE (C) 24.1 23.4 25.2 29.7 32.6 33.8 37.1 36.7 34.7 32.9 28.6 24.8 30.3 DAYS WITH MAXIMUM TEMP. >=30 0 0 3 14 31 30 31 31 30 31 6 0 207 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 27.0 25.6 31.0 35.6 36.6 35.6 39.6 38.6 37.0 34.6 32.0 28.0 39.6 DAY 8 25 23 25 31 28 1 11 1 26 3 10 DIF. BETWEEN (MAX.-MIN.) (C) 4.5 4.1 4.6 5.5 5.6 5.3 6.5 6.1 5.2 5.5 5.0 4.9 5.2 MEAN DAILY TEMP. (MDT) (C) 21.8 21.3 22.9 26.9 29.8 31.1 33.8 33.6 32.1 30.1 26.1 22.4 27.7 COOLING DEG. DAYS(BASE 21 0C) 31.6 20.4 60.3 177.1 273.3 304.2 397.0 391.3 333.5 283.4 152.9 45.5 2470.6 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) 14.5 13.9 16.1 22.5 24.8 26.3 27.6 27.4 26.2 23.3 17.6 15.3 21.3 MIXING RATIO (G/KG) 10.41 10.13 11.65 17.38 20.21 22.17 24.08 23.77 21.92 18.26 12.80 11.13 16.99 VAPOUR PRESSURE (HPA) 16.71 16.25 18.60 27.37 31.53 34.37 37.12 36.73 34.16 28.78 20.43 17.86 26.66 SATURATION DEF. (HPA) 10.50 9.84 9.99 9.20 11.58 12.26 17.70 17.42 15.07 15.85 14.66 10.20 12.86 RELATIVE HUMIDITY (MEAN %) 62 62 66 76 74 74 69 69 70 65 58 64 67 RELATIVE HUMIDITY (MAX. %) 71 72 75 87 84 84 85 85 82 77 68 73 79 RELATIVE HUMIDITY (MIN. %) 55 55 57 65 64 66 56 58 62 56 51 56 58 RELATIVE HUMIDITY (MEAN% 03UTC) 70 71 73 87 83 84 85 84 81 77 66 71 78 RELATIVE HUMIDITY (MEAN% 09UTC) 58 57 61 70 69 71 63 61 65 61 55 60 63 RELATIVE HUMIDITY (MEAN% 15UTC) 62 64 67 76 75 73 66 70 71 65 59 66 68 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 2.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 10.0 40.0 52.2 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 0 0 0 0 0 0 1 2 3 DAYS WITH PRECIPITATION >= 1 1 0 0 0 0 0 0 0 0 0 2 2 5 DAYS WITH PRECIPITATION 2 0 1 0 0 0 0 0 0 0 2 3 8 GREATEST DAILY PRECIPITATION 2.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 8.0 33.0 33.0 DAY 18 ** ** ** ** ** ** ** ** ** 6 15 DAY WITH THUNDER STORM 1 0 1 0 0 0 0 0 0 0 2 0 4 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 4 8 5 1 2 3 1 1 1 2 0 0 28 WIND DIRECTION (PREVAILING) 270 270 270 225 270 225 45 270 225 225 45 270 270 PREVAILING WIND SPEED(KNOTS) 9.5 13.5 12.1 7.6 10.3 7.8 7.8 7.3 8.2 6.1 11.5 8.6 10.1 PREVAILING WIND PERCENT 23.9 38.6 41.3 34.7 38.1 37.3 19.4 17.4 19.3 18.7 17.7 22.6 24.8 CALMS PERCENT OF WIND 31.6 16.6 13.5 21.3 17.4 13.3 27.7 21.3 33.3 35.5 17.0 40.6 24.2 NO. OF WIND OBSERVATION 155 145 155 150 155 150 155 155 150 155 147 155 1827 VECTOR WIND DIRECTION (MEAN) 255 283 271 252 264 252 320 242 239 273 353 288 267 VECTOR WIND MAGNITUDE(KNOTS) 3.1 5.6 6.6 5.4 5.9 5.4 1.0 1.3 2.2 1.7 1.9 2.0 3.2 WIND STEADINESES (MEAN %) 46.3 57.7 71.7 79.4 76.6 79.4 19.2 21.3 41.5 35.4 20.9 39.2 46.4 WIND SPEED (MEAN KNOTS) 6.7 9.7 9.2 6.8 7.7 6.8 5.2 6.1 5.3 4.8 9.1 5.1 6.9 FASTEST WIND DIRECTION 210 280 300 270 300 310 180 120 210 320 330 300 210 FASTEST WIND SPEED (KNOTS) 33 23 31 19 17 21 17 16 19 29 29 23 33 DAY 17 1 3 12 12 24 1 12 18 4 9 16 DAYS WITH SKY CLEAR (0-2)/8 24 24 28 24 30 30 30 29 28 31 15 22 315 DAYS WITH P.CLOUDY (3-6)/8 5 5 3 6 1 0 1 2 2 0 13 8 46 DAYS WITH CLOUDY (7-8)/8 2 0 0 0 0 0 0 0 0 0 2 1 5 DAYS WITH VISIBILITY =< 2 KM 0 0 0 4 1 13 4 7 5 6 1 0 41 DURATION OF SUNSHINE HOURS 240.9 264.4 270.9 299.1 344.8 319.3 314.4 310.5 272.0 297.3 235.2 250.7 3419.5 ======================================================================================================================= 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 2000 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1015.6 1014.7 1012.6 1007.4 1002.2 998.9 996.6 998.6 1003.8 1009.8 1014.4 1016.8 1007.6 MAX. QFE PRESSURE IN HPA 1022.0 1020.9 1018.0 1014.2 1009.0 1003.5 1002.0 1004.0 1010.1 1015.0 1021.5 1023.5 1023.5 DAY-HOUR 31- 6 11- 6 4- 6 1- 6 4- 6 16- 6 26- 6 14- 6 22- 6 30- 6 30- 6 17- 6 MIN. QFE PRESSURE IN HPA 1009.2 1010.0 1008.8 1004.2 997.5 994.4 990.7 993.6 995.0 1003.8 1009.0 1011.8 990.7 DAY-HOUR 17-12 7-12 20-12 13-15 28-15 30-15 11-15 11-15 1-12 1-12 1-12 9-12 MEAN QNH PRESSURE IN HPA 1016.1 1015.2 1013.0 1007.9 1002.6 999.4 997.0 999.1 1004.2 1010.3 1014.9 1017.3 1008.1 MAX. QNH PRESSURE IN HPA 1022.5 1021.4 1018.5 1014.7 1009.5 1004.0 1002.5 1004.5 1010.6 1015.5 1022.0 1024.0 1024.0 DAY-HOUR 31- 6 11- 6 4- 6 1- 6 4- 6 16- 6 26- 6 14- 6 22- 6 30- 6 30- 6 17- 6 MIN. QNH PRESSURE IN HPA 1009.7 1010.5 1009.3 1004.7 998.0 994.9 991.2 994.1 995.5 1004.3 1009.5 1012.3 991.2 DAY-HOUR 17-12 7-12 20-12 13-15 28-15 30-15 11-15 11-15 1-12 1-12 1-12 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 1015.4 1014.6 1012.4 1007.2 1002.1 999.2 996.9 998.8 1003.9 1009.8 1014.4 1016.8 1007.6 MAX. QFE PRESSURE IN HPA 1020.5 1019.2 1016.0 1011.9 1007.3 1002.3 1001.0 1002.9 1008.7 1012.7 1019.0 1022.0 1022.0 DAY 31 11 4 1 4 16 26 14 23 30 30 17 MIN. QFE PRESSURE IN HPA 1011.7 1011.0 1010.0 1004.5 998.7 996.8 992.2 994.7 996.0 1004.7 1009.8 1012.0 992.2 DAY 10 27 14 21 20 24 11 11 1 1 1 11 MEAN QNH PRESSURE IN HPA 1015.9 1015.1 1012.9 1007.7 1002.5 999.7 997.4 999.3 1004.4 1010.3 1014.9 1017.3 1008.1 MAX. QNH PRESSURE IN HPA 1021.0 1019.7 1016.5 1012.4 1007.8 1002.8 1001.5 1003.4 1009.2 1013.2 1019.5 1022.5 1022.5 DAY 31 11 4 1 4 16 26 14 23 30 30 17 MIN. QNH PRESSURE IN HPA 1012.2 1011.5 1010.5 1005.0 999.2 997.3 992.7 995.2 996.5 1005.2 1010.3 1012.5 992.7 DAY 10 27 14 21 20 24 11 11 1 1 1 11 MEAN QFF PRESSURE IN HPA 1016.1 1015.4 1013.1 1007.9 1002.8 1000.0 997.6 999.5 1004.6 1010.5 1015.2 1017.6 1008.4 MAX. QFF PRESSURE IN HPA 1021.3 1020.0 1016.8 1012.7 1008.0 1003.0 1001.7 1003.6 1009.4 1013.4 1019.8 1022.8 1022.8 DAY 31 11 4 1 4 16 26 14 23 30 30 17 MIN. QFF PRESSURE IN HPA 1012.5 1011.8 1010.8 1005.2 999.4 997.5 992.9 995.4 996.7 1005.4 1010.5 1012.8 992.9 DAY 10 27 19 21 20 24 11 11 1 1 1 11 ======================================================================================================================= 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 2000 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1017.4 1016.5 1014.2 1008.9 1003.5 1000.2 997.8 1000.1 1005.2 1011.5 1016.0 1018.6 1009.2 MAX. QFE PRESSURE IN HPA 1022.0 1020.9 1018.0 1014.2 1009.0 1003.5 1002.0 1004.0 1010.1 1015.0 1021.5 1023.5 1023.5 DAY 31 11 4 1 4 16 26 14 22 30 30 17 MIN. QFE PRESSURE IN HPA 1013.5 1012.7 1012.0 1006.5 1000.0 997.0 993.0 996.4 997.1 1006.0 1010.5 1015.0 993.0 DAY 10 27 13 21 19 6 11 11 2 1 6 11 MEAN QNH PRESSURE IN HPA 1017.9 1017.0 1014.7 1009.4 1004.0 1000.7 998.3 1000.6 1005.7 1012.0 1016.5 1019.1 1009.6 MAX. QNH PRESSURE IN HPA 1022.5 1021.4 1018.5 1014.7 1009.5 1004.0 1002.5 1004.5 1010.6 1015.5 1022.0 1024.0 1024.0 DAY 31 11 4 1 4 16 26 14 22 30 30 17 MIN. QNH PRESSURE IN HPA 1014.0 1013.2 1012.5 1007.0 1000.5 997.5 993.5 996.9 997.6 1006.5 1011.0 1015.5 993.5 DAY 10 27 13 21 19 6 11 11 2 1 6 11 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 1015.7 1015.3 1013.3 1008.3 1002.9 999.7 997.3 999.4 1004.3 1010.2 1014.6 1016.8 1008.1 MAX. QFE PRESSURE IN HPA 1021.1 1019.9 1017.0 1014.1 1008.7 1002.7 1001.5 1003.0 1009.1 1013.0 1019.5 1022.0 1022.0 DAY 31 11 4 1 4 15 26 14 22 26 30 17 MIN. QFE PRESSURE IN HPA 1011.7 1011.2 1010.5 1006.3 999.1 996.3 992.6 995.7 996.5 1005.1 1010.0 1012.7 992.6 DAY 10 7 13 28 19 6 12 11 1 1 1 11 MEAN QNH PRESSURE IN HPA 1016.2 1015.8 1013.8 1008.7 1003.4 1000.1 997.8 999.8 1004.8 1010.6 1015.1 1017.3 1008.6 MAX. QNH PRESSURE IN HPA 1021.6 1020.4 1017.5 1014.6 1009.2 1003.2 1002.0 1003.5 1009.6 1013.5 1020.0 1022.5 1022.5 DAY 31 11 4 1 4 15 26 14 22 26 30 17 MIN. QNH PRESSURE IN HPA 1012.2 1011.7 1011.0 1006.8 999.6 996.8 993.1 996.2 997.0 1005.6 1010.5 1013.2 993.1 DAY 10 7 13 28 19 6 12 11 1 1 1 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 1014.4 1013.5 1011.4 1006.4 1001.3 998.1 995.7 997.7 1002.7 1008.7 1013.3 1015.6 1006.6 MAX. QFE PRESSURE IN HPA 1019.2 1018.0 1014.8 1012.5 1007.2 1001.7 1000.0 1001.2 1007.1 1011.7 1018.2 1021.0 1021.0 DAY 30 11 4 1 3 15 26 13 22 30 30 17 MIN. QFE PRESSURE IN HPA 1009.2 1010.0 1008.8 1004.5 997.7 994.8 991.0 993.7 995.0 1003.8 1009.0 1011.8 991.0 DAY 17 7 20 13 28 6 11 11 1 1 1 9 MEAN QNH PRESSURE IN HPA 1014.9 1014.0 1011.9 1006.9 1001.8 998.6 996.2 998.1 1003.1 1009.2 1013.8 1016.1 1007.1 MAX. QNH PRESSURE IN HPA 1019.7 1018.5 1015.3 1013.0 1007.7 1002.2 1000.5 1001.7 1007.6 1012.2 1018.7 1021.5 1021.5 DAY 30 11 4 1 3 15 26 13 22 30 30 17 MIN. QNH PRESSURE IN HPA 1009.7 1010.5 1009.3 1005.0 998.2 995.3 991.5 994.2 995.5 1004.3 1009.5 1012.3 991.5 DAY 17 7 20 13 28 6 11 11 1 1 1 9 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 2000 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1015.2 1013.9 1011.5 1006.4 1001.1 997.6 995.3 997.2 1002.8 1009.0 1013.9 1016.5 1006.7 MAX. QFE PRESSURE IN HPA 1020.0 1018.6 1014.5 1012.3 1007.2 1001.3 999.5 1000.7 1007.1 1012.0 1018.7 1021.7 1021.7 DAY 30 10 4 1 3 15 25 13 22 16 30 17 MIN. QFE PRESSURE IN HPA 1010.2 1010.4 1009.0 1004.2 997.5 994.4 990.7 993.6 995.5 1003.8 1009.4 1013.0 990.7 DAY 17 7 13 13 28 30 11 11 1 1 1 9 MEAN QNH PRESSURE IN HPA 1015.7 1014.4 1012.0 1006.9 1001.6 998.1 995.7 997.7 1003.2 1009.5 1014.4 1017.0 1007.2 MAX. QNH PRESSURE IN HPA 1020.5 1019.1 1015.0 1012.8 1007.7 1001.8 1000.0 1001.2 1007.6 1012.5 1019.2 1022.2 1022.2 DAY 30 10 4 1 3 15 25 13 22 16 30 17 MIN. QNH PRESSURE IN HPA 1010.7 1010.9 1009.5 1004.7 998.0 994.9 991.2 994.1 996.0 1004.3 1009.9 1013.5 991.2 DAY 17 7 13 13 28 30 11 11 1 1 1 9 MEAN QFF PRESSURE IN HPA 1016.0 1014.7 1012.3 1007.2 1001.8 998.3 996.0 997.9 1003.5 1009.7 1014.7 1017.3 1007.4 MAX. QFF PRESSURE IN HPA 1020.8 1019.4 1015.3 1013.1 1007.9 1002.0 1000.2 1001.4 1007.8 1012.7 1019.5 1022.5 1022.5 DAY 30 10 4 1 3 15 25 13 22 16 30 17 MIN. QFF PRESSURE IN HPA 1011.0 1011.2 1009.8 1004.9 998.2 995.1 991.4 994.3 996.2 1004.5 1010.1 1013.8 991.4 DAY 17 7 19 13 28 30 11 11 1 1 1 10 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 2001 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 20.7 21.4 23.8 26.6 30.9 31.8 34.2 34.1 33.3 31.4 27.9 25.6 28.5 MINIMUN AIR TEMPERATURE (C) 17.6 18.6 20.9 23.3 27.5 28.8 31.1 30.6 30.3 27.8 25.0 22.5 25.3 DAYS WITH MINIMUM TEMP. >=21 1 3 21 28 31 30 31 31 30 31 28 28 293 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) 14.0 14.2 17.0 19.4 25.0 25.4 28.6 29.0 27.2 24.4 20.6 19.2 14.0 DAY 10 8 8 1 2 13 1 27 28 25 27 28 MAXIMUM AIR TEMPERATURE (C) 22.7 23.4 26.0 29.0 33.5 34.1 36.7 36.6 35.8 33.8 30.0 27.6 30.8 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 10 31 30 31 31 30 31 14 0 208 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 24.6 25.4 29.0 31.6 37.2 35.6 39.4 40.0 37.6 35.2 33.4 29.8 40.0 DAY 3 23 10 30 4 23 19 14 6 3 1 6 DIF. BETWEEN (MAX.-MIN.) (C) 5.1 4.8 5.1 5.7 6.0 5.3 5.6 6.0 5.5 6.0 5.0 5.1 5.5 MEAN DAILY TEMP. (MDT) (C) 20.1 21.0 23.5 26.1 30.5 31.5 33.9 33.6 33.1 30.8 27.5 25.0 28.0 COOLING DEG. DAYS(BASE 21 0C) 7.3 14.4 77.3 153.6 294.3 313.6 398.9 390.7 362.3 303.6 194.7 125.0 2635.8 HEATING DEG. DAYS(BASE 18 0C) 2.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 2.3 DEWPOINT (MEAN C) 12.1 14.3 18.4 21.5 24.4 26.6 27.8 27.7 27.2 24.1 18.7 19.6 21.9 MIXING RATIO (G/KG) 8.94 10.27 13.41 16.30 19.84 22.66 24.34 24.19 23.32 19.26 13.64 14.40 17.55 VAPOUR PRESSURE (HPA) 14.40 16.48 21.34 25.74 30.94 35.05 37.50 37.40 36.28 30.30 21.76 23.02 27.52 SATURATION DEF. (HPA) 10.17 9.18 8.25 9.18 13.89 12.16 16.53 16.46 15.09 15.83 16.10 9.94 12.73 RELATIVE HUMIDITY (MEAN %) 59 64 73 74 70 75 70 70 71 67 58 70 68 RELATIVE HUMIDITY (MAX. %) 69 74 84 85 82 84 83 85 84 79 67 80 80 RELATIVE HUMIDITY (MIN. %) 52 58 64 66 61 66 61 59 62 58 51 63 60 RELATIVE HUMIDITY (MEAN% 03UTC) 67 72 83 84 81 84 83 85 84 79 65 79 79 RELATIVE HUMIDITY (MEAN% 09UTC) 56 63 68 69 65 71 66 65 64 61 54 65 64 RELATIVE HUMIDITY (MEAN% 15UTC) 59 63 72 76 68 76 69 70 71 67 60 72 69 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 66.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.0 66.5 DAYS WITH PRECIPITATION >=10 2 0 0 0 0 0 0 0 0 0 0 0 2 DAYS WITH PRECIPITATION >= 5 2 0 0 0 0 0 0 0 0 0 0 0 2 DAYS WITH PRECIPITATION >= 1 2 0 0 0 0 0 0 0 0 0 0 0 2 DAYS WITH PRECIPITATION 3 0 0 0 0 0 0 0 0 0 1 0 4 GREATEST DAILY PRECIPITATION 56.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.0 56.0 DAY 10 ** ** ** ** ** ** ** ** ** 17 ** DAY WITH THUNDER STORM 2 0 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 2 1 1 1 0 0 0 1 1 0 1 0 8 WIND DIRECTION (PREVAILING) 270 270 270 225 270 225 45 270 180 225 270 270 270 PREVAILING WIND SPEED(KNOTS) 9.4 10.6 9.9 8.2 10.3 5.9 8.4 9.1 8.7 7.6 8.8 10.1 9.2 PREVAILING WIND PERCENT 25.8 32.9 30.3 40.0 29.0 33.3 18.1 12.9 18.0 18.7 32.0 15.5 21.5 CALMS PERCENT OF WIND 41.3 19.3 18.7 18.0 16.1 32.0 24.5 29.7 26.0 41.3 24.7 28.4 26.7 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 283 275 265 241 237 243 176 230 215 249 261 304 250 VECTOR WIND MAGNITUDE(KNOTS) 1.8 3.5 3.2 5.6 5.4 2.8 0.8 0.3 2.6 2.3 3.3 1.0 2.5 WIND STEADINESES (MEAN %) 32.1 44.3 43.8 80.0 69.2 66.7 13.1 4.8 41.3 54.8 47.8 16.9 39.7 WIND SPEED (MEAN KNOTS) 5.6 7.9 7.3 7.0 7.8 4.2 6.1 6.2 6.3 4.2 6.9 5.9 6.3 FASTEST WIND DIRECTION 280 240 290 300 180 240 110 170 250 270 270 190 290 FASTEST WIND SPEED (KNOTS) 23 21 25 19 16 14 21 17 16 16 21 16 25 DAY 28 6 26 18 21 11 14 7 18 31 24 16 DAYS WITH SKY CLEAR (0-2)/8 24 13 22 29 27 30 27 30 28 31 24 15 300 DAYS WITH P.CLOUDY (3-6)/8 6 15 7 1 4 0 4 1 2 0 6 16 62 DAYS WITH CLOUDY (7-8)/8 1 0 2 0 0 0 0 0 0 0 0 0 3 DAYS WITH VISIBILITY =< 2 KM 0 0 0 1 0 2 0 0 0 0 0 0 3 DURATION OF SUNSHINE HOURS 275.7 240.2 257.2 307.8 327.5 314.1 297.2 314.5 284.5 299.9 270.5 239.5 3428.6 ======================================================================================================================= 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 2001 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1017.2 1015.0 1011.9 1008.7 1001.8 997.4 996.1 999.7 1004.3 1009.9 1014.9 1017.3 1007.8 MAX. QFE PRESSURE IN HPA 1024.8 1021.2 1021.0 1015.9 1008.0 1003.7 1000.4 1004.5 1010.7 1015.0 1020.7 1023.8 1024.8 DAY-HOUR 30- 6 1- 6 2- 6 1- 6 1- 6 3- 6 15- 6 5- 6 22- 6 23- 6 21- 6 28- 6 MIN. QFE PRESSURE IN HPA 1012.7 1007.0 1002.6 1002.7 996.7 994.5 991.4 995.2 996.5 1003.9 1009.6 1011.8 991.4 DAY-HOUR 8-12 21-12 25-15 28-15 25-15 17-12 9-15 3-15 1-12 2-15 11-12 5-12 MEAN QNH PRESSURE IN HPA 1017.6 1015.5 1012.4 1009.1 1002.3 997.9 996.6 1000.2 1004.8 1010.4 1015.4 1017.8 1008.3 MAX. QNH PRESSURE IN HPA 1025.3 1021.7 1021.5 1016.4 1008.5 1004.2 1000.9 1005.0 1011.2 1015.5 1021.2 1024.3 1025.3 DAY-HOUR 30- 6 1- 6 2- 6 1- 6 1- 6 3- 6 15- 6 5- 6 22- 6 23- 6 21- 6 28- 6 MIN. QNH PRESSURE IN HPA 1013.2 1007.5 1003.1 1003.2 997.2 995.0 991.9 995.7 997.0 1004.4 1010.1 1012.3 991.9 DAY-HOUR 8-12 21-12 25-15 28-15 25-15 17-12 9-15 3-15 1-12 2-15 11-12 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 1017.1 1014.9 1011.9 1008.4 1001.6 997.6 996.4 1000.0 1004.3 1009.9 1014.8 1017.2 1007.8 MAX. QFE PRESSURE IN HPA 1023.0 1019.5 1019.0 1014.1 1006.5 1002.5 999.8 1003.4 1009.4 1013.0 1019.6 1021.7 1023.0 DAY 30 1 2 1 1 3 15 5 22 24 21 28 MIN. QFE PRESSURE IN HPA 1013.6 1009.0 1006.0 1003.5 997.4 995.2 992.2 997.0 996.8 1004.4 1010.7 1013.0 992.2 DAY 8 22 25 29 26 17 9 4 1 1 1 5 MEAN QNH PRESSURE IN HPA 1017.6 1015.4 1012.4 1008.9 1002.1 998.0 996.8 1000.5 1004.8 1010.4 1015.3 1017.7 1008.3 MAX. QNH PRESSURE IN HPA 1023.5 1020.0 1019.5 1014.6 1007.0 1003.0 1000.3 1003.9 1009.9 1013.5 1020.1 1022.2 1023.5 DAY 30 1 2 1 1 3 15 5 22 24 21 28 MIN. QNH PRESSURE IN HPA 1014.1 1009.5 1006.5 1004.0 997.9 995.7 992.7 997.5 997.3 1004.9 1011.2 1013.5 992.7 DAY 8 22 25 29 26 17 9 4 1 1 1 5 MEAN QFF PRESSURE IN HPA 1017.8 1015.7 1012.7 1009.2 1002.4 998.3 997.1 1000.7 1005.0 1010.6 1015.5 1018.0 1008.6 MAX. QFF PRESSURE IN HPA 1023.8 1020.3 1019.8 1014.9 1007.2 1003.2 1000.5 1004.1 1010.1 1013.7 1020.4 1022.5 1023.8 DAY 30 1 2 1 1 3 15 5 22 24 21 28 MIN. QFF PRESSURE IN HPA 1014.4 1009.8 1006.8 1004.2 998.1 995.9 992.9 997.7 997.5 1005.1 1011.4 1013.8 992.9 DAY 8 22 25 29 26 17 9 4 1 1 1 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 2001 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1018.8 1016.6 1013.7 1010.1 1003.1 998.6 997.3 1001.3 1005.8 1011.6 1016.5 1019.0 1009.4 MAX. QFE PRESSURE IN HPA 1024.8 1021.2 1021.0 1015.9 1008.0 1003.7 1000.4 1004.5 1010.7 1015.0 1020.7 1023.8 1024.8 DAY 30 1 2 1 1 3 15 5 22 23 21 28 MIN. QFE PRESSURE IN HPA 1015.4 1011.5 1007.4 1005.7 998.3 996.3 992.9 997.7 998.0 1006.2 1012.4 1014.5 992.9 DAY 8 22 25 28 26 17 9 3 1 1 11 5 MEAN QNH PRESSURE IN HPA 1019.3 1017.1 1014.2 1010.6 1003.5 999.1 997.8 1001.8 1006.3 1012.1 1017.0 1019.5 1009.9 MAX. QNH PRESSURE IN HPA 1025.3 1021.7 1021.5 1016.4 1008.5 1004.2 1000.9 1005.0 1011.2 1015.5 1021.2 1024.3 1025.3 DAY 30 1 2 1 1 3 15 5 22 23 21 28 MIN. QNH PRESSURE IN HPA 1015.9 1012.0 1007.9 1006.2 998.8 996.8 993.4 998.2 998.5 1006.7 1012.9 1015.0 993.4 DAY 8 22 25 28 26 17 9 3 1 1 11 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 1017.5 1015.5 1012.7 1009.6 1002.6 998.1 996.8 1000.5 1005.1 1010.4 1015.2 1017.5 1008.4 MAX. QFE PRESSURE IN HPA 1022.6 1019.0 1019.5 1015.1 1007.5 1003.5 999.3 1003.9 1010.3 1013.7 1019.4 1021.7 1022.6 DAY 30 1 2 1 1 2 15 5 22 23 20 28 MIN. QFE PRESSURE IN HPA 1014.3 1009.6 1006.6 1005.0 997.6 996.2 992.7 996.8 998.0 1005.6 1010.8 1013.1 992.7 DAY 8 21 25 28 26 17 9 3 1 1 11 5 MEAN QNH PRESSURE IN HPA 1018.0 1016.0 1013.2 1010.1 1003.1 998.6 997.3 1001.0 1005.5 1010.9 1015.6 1018.0 1008.9 MAX. QNH PRESSURE IN HPA 1023.1 1019.5 1020.0 1015.6 1008.0 1004.0 999.8 1004.4 1010.8 1014.2 1019.9 1022.2 1023.1 DAY 30 1 2 1 1 2 15 5 22 23 20 28 MIN. QNH PRESSURE IN HPA 1014.8 1010.1 1007.1 1005.5 998.1 996.7 993.2 997.3 998.5 1006.1 1011.3 1013.6 993.2 DAY 8 21 25 28 26 17 9 3 1 1 11 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 1015.9 1013.8 1010.7 1007.7 1001.1 996.5 995.2 998.8 1003.4 1008.9 1013.8 1016.3 1006.8 MAX. QFE PRESSURE IN HPA 1021.0 1018.0 1017.5 1013.1 1005.5 1001.5 997.8 1001.8 1008.2 1012.4 1018.3 1020.0 1021.0 DAY 30 1 1 1 1 2 14 5 22 23 20 22 MIN. QFE PRESSURE IN HPA 1012.7 1007.0 1003.5 1003.0 997.0 994.5 991.6 995.5 996.5 1004.3 1009.6 1011.8 991.6 DAY 8 21 25 29 26 17 9 3 1 1 11 5 MEAN QNH PRESSURE IN HPA 1016.4 1014.3 1011.2 1008.2 1001.6 997.0 995.7 999.2 1003.9 1009.4 1014.3 1016.8 1007.3 MAX. QNH PRESSURE IN HPA 1021.5 1018.5 1018.0 1013.6 1006.0 1002.0 998.3 1002.3 1008.7 1012.9 1018.8 1020.5 1021.5 DAY 30 1 1 1 1 2 14 5 22 23 20 22 MIN. QNH PRESSURE IN HPA 1013.2 1007.5 1004.0 1003.5 997.5 995.0 992.1 996.0 997.0 1004.8 1010.1 1012.3 992.1 DAY 8 21 25 29 26 17 9 3 1 1 11 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 2001 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1016.6 1014.2 1010.7 1007.5 1000.7 996.2 994.8 998.2 1003.1 1008.9 1014.3 1016.8 1006.8 MAX. QFE PRESSURE IN HPA 1022.0 1018.0 1017.8 1012.6 1004.9 1001.2 997.8 1001.2 1007.7 1012.7 1018.7 1020.4 1022.0 DAY 30 1 1 1 1 2 14 5 22 23 20 22 MIN. QFE PRESSURE IN HPA 1012.9 1007.4 1002.6 1002.7 996.7 994.5 991.4 995.2 996.5 1003.9 1009.6 1012.5 991.4 DAY 8 21 25 28 25 17 9 3 1 2 11 5 MEAN QNH PRESSURE IN HPA 1017.1 1014.7 1011.2 1008.0 1001.1 996.7 995.3 998.7 1003.6 1009.3 1014.8 1017.3 1007.3 MAX. QNH PRESSURE IN HPA 1022.5 1018.5 1018.3 1013.1 1005.4 1001.7 998.3 1001.7 1008.2 1013.2 1019.2 1020.9 1022.5 DAY 30 1 1 1 1 2 14 5 22 23 20 22 MIN. QNH PRESSURE IN HPA 1013.4 1007.9 1003.1 1003.2 997.2 995.0 991.9 995.7 997.0 1004.4 1010.1 1013.0 991.9 DAY 8 21 25 28 25 17 9 3 1 2 11 5 MEAN QFF PRESSURE IN HPA 1017.3 1015.0 1011.4 1008.2 1001.4 997.0 995.5 998.9 1003.8 1009.6 1015.0 1017.5 1007.6 MAX. QFF PRESSURE IN HPA 1022.8 1018.8 1018.6 1013.4 1005.6 1001.9 998.5 1001.9 1008.4 1013.4 1019.5 1021.2 1022.8 DAY 30 1 1 1 1 2 14 5 22 23 20 22 MIN. QFF PRESSURE IN HPA 1013.7 1008.2 1003.3 1003.4 997.4 995.2 992.1 995.9 997.2 1004.6 1010.3 1013.3 992.1 DAY 8 21 25 28 26 17 9 3 1 2 11 5 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 2002 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 22.0 21.9 24.0 26.3 30.5 32.5 33.8 34.3 32.9 31.2 27.3 23.6 28.4 MINIMUN AIR TEMPERATURE (C) 19.0 19.2 21.8 23.6 27.4 29.5 30.7 31.4 29.2 27.5 24.2 21.2 25.4 DAYS WITH MINIMUM TEMP. >=21 9 5 24 28 31 30 31 31 30 31 27 18 295 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 14.2 17.0 20.0 24.2 26.2 29.0 29.4 26.4 23.6 19.5 17.0 11.0 DAY 27 3 16 9 2 2 3 23 21 27 30 31 MAXIMUM AIR TEMPERATURE (C) 24.0 24.0 26.3 28.3 32.7 34.7 35.9 36.3 35.0 33.4 29.2 25.3 30.4 DAYS WITH MAXIMUM TEMP. >=30 0 0 3 7 31 30 31 31 30 31 10 0 204 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 27.4 28.4 31.6 32.6 36.2 40.2 39.0 39.4 36.0 34.6 32.8 28.2 40.2 DAY 4 26 28 20 2 27 30 2 4 16 3 2 DIF. BETWEEN (MAX.-MIN.) (C) 5.0 4.8 4.5 4.7 5.3 5.2 5.2 4.9 5.8 5.9 5.0 4.1 5.0 MEAN DAILY TEMP. (MDT) (C) 21.5 21.6 24.0 25.9 30.0 32.1 33.3 33.9 32.1 30.4 26.7 23.2 27.9 COOLING DEG. DAYS(BASE 21 0C) 36.0 25.5 94.0 147.5 280.5 333.2 382.1 398.6 333.0 292.8 170.8 70.9 2565.2 HEATING DEG. DAYS(BASE 18 0C) 0.6 0.0 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) 13.6 14.3 18.5 20.7 25.0 26.8 28.6 28.5 27.0 24.6 18.1 14.9 21.7 MIXING RATIO (G/KG) 9.95 10.22 13.44 15.67 20.50 22.98 25.48 25.31 22.92 19.93 13.22 10.83 17.54 VAPOUR PRESSURE (HPA) 16.00 16.44 21.42 24.77 31.99 35.56 39.25 39.00 35.70 31.32 21.08 17.36 27.49 SATURATION DEF. (HPA) 10.73 10.02 8.62 9.60 11.95 13.47 13.59 15.21 14.46 14.42 15.47 11.93 12.46 RELATIVE HUMIDITY (MEAN %) 60 63 72 72 74 74 75 73 72 69 58 59 68 RELATIVE HUMIDITY (MAX. %) 68 73 81 82 84 84 87 83 83 81 68 67 78 RELATIVE HUMIDITY (MIN. %) 53 55 64 64 65 65 66 64 65 61 51 53 61 RELATIVE HUMIDITY (MEAN% 03UTC) 65 72 80 80 83 83 87 83 82 80 66 66 77 RELATIVE HUMIDITY (MEAN% 09UTC) 56 59 67 68 69 68 70 68 67 64 54 56 64 RELATIVE HUMIDITY (MEAN% 15UTC) 60 64 73 74 75 74 75 73 72 70 59 60 69 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 18.1 0.0 37.7 0.0 0.0 0.0 0.0 0.0 0.0 0.0 16.5 4.7 77.0 DAYS WITH PRECIPITATION >=10 1 0 1 0 0 0 0 0 0 0 0 0 2 DAYS WITH PRECIPITATION >= 5 1 0 1 0 0 0 0 0 0 0 2 0 4 DAYS WITH PRECIPITATION >= 1 2 0 2 0 0 0 0 0 0 0 2 1 7 DAYS WITH PRECIPITATION 7 1 4 0 0 0 0 0 0 0 2 2 16 GREATEST DAILY PRECIPITATION 13.0 0.0 36.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 8.5 4.0 36.0 DAY 18 ** 19 ** ** ** ** ** ** ** 8 19 DAY WITH THUNDER STORM 0 0 0 0 0 0 0 0 0 0 0 2 2 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 10 11 11 5 2 1 1 1 1 0 5 3 51 WIND DIRECTION (PREVAILING) 270 270 270 270 225 225 225 225 225 270 270 270 270 PREVAILING WIND SPEED(KNOTS) 15.2 10.7 10.6 11.6 7.2 7.3 7.2 5.6 6.0 5.9 7.6 10.6 9.2 PREVAILING WIND PERCENT 18.1 25.7 27.1 36.0 28.4 27.3 18.7 20.6 16.0 20.0 21.3 24.5 21.2 CALMS PERCENT OF WIND 27.1 17.1 14.2 8.0 17.4 20.7 21.9 23.9 32.0 45.2 27.3 27.1 23.6 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 276 244 271 252 239 246 238 254 255 240 327 301 258 VECTOR WIND MAGNITUDE(KNOTS) 2.7 3.0 2.5 5.7 3.4 3.7 1.7 0.8 1.3 2.1 1.3 3.0 2.4 WIND STEADINESES (MEAN %) 34.6 35.3 29.8 69.5 57.6 63.8 34.0 17.0 31.0 63.6 22.8 44.1 38.7 WIND SPEED (MEAN KNOTS) 7.8 8.5 8.4 8.2 5.9 5.8 5.0 4.7 4.2 3.3 5.7 6.8 6.2 FASTEST WIND DIRECTION 290 60 120 280 230 260 270 120 200 190 60 300 280 FASTEST WIND SPEED (KNOTS) 23 21 17 29 16 19 14 12 16 14 17 19 29 DAY 31 5 18 4 13 21 12 29 14 2 23 29 DAYS WITH SKY CLEAR (0-2)/8 15 16 14 22 29 29 30 29 29 30 24 17 284 DAYS WITH P.CLOUDY (3-6)/8 14 12 12 8 1 1 1 2 1 1 5 14 72 DAYS WITH CLOUDY (7-8)/8 2 0 5 0 1 0 0 0 0 0 1 0 9 DAYS WITH VISIBILITY =< 2 KM 0 0 2 7 0 1 7 3 0 0 0 2 22 DURATION OF SUNSHINE HOURS 232.5 246.0 233.7 282.7 340.8 323.6 310.8 311.8 280.7 291.2 271.4 236.5 3361.7 ======================================================================================================================= 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 2002 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1017.5 1017.3 1012.9 1008.7 1003.1 998.7 997.7 997.9 1004.8 1009.5 1013.9 1015.9 1008.1 MAX. QFE PRESSURE IN HPA 1023.0 1024.4 1021.1 1016.2 1008.6 1004.6 1001.1 1004.9 1010.8 1015.1 1019.8 1021.8 1024.4 DAY-HOUR 26- 6 2- 6 13- 6 1- 6 10- 6 3- 6 3- 6 30- 6 21- 6 26- 6 29- 6 30- 6 MIN. QFE PRESSURE IN HPA 1012.8 1011.2 1006.1 1001.9 998.1 994.0 993.5 993.2 1000.1 1004.8 1008.5 1008.5 993.2 DAY-HOUR 22-12 25-12 28-15 30-15 28- 3 20-15 22-15 6-12 7-15 12-12 7-12 22-12 MEAN QNH PRESSURE IN HPA 1018.0 1017.8 1013.4 1009.1 1003.5 999.2 998.2 998.4 1005.2 1010.0 1014.4 1016.4 1008.6 MAX. QNH PRESSURE IN HPA 1023.5 1024.9 1021.6 1016.7 1009.1 1005.1 1001.6 1005.4 1011.3 1015.6 1020.3 1022.3 1024.9 DAY-HOUR 26- 6 2- 6 13- 6 1- 6 10- 6 3- 6 3- 6 30- 6 21- 6 26- 6 29- 6 30- 6 MIN. QNH PRESSURE IN HPA 1013.3 1011.7 1006.6 1002.4 998.6 994.5 994.0 993.7 1000.6 1005.3 1009.0 1009.0 993.7 DAY-HOUR 22-12 25-12 28-15 30-15 28- 3 20-15 22-15 6-12 7-15 12-12 7-12 22-12 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 1017.2 1017.0 1012.4 1008.4 1002.8 998.8 997.7 998.1 1004.7 1009.5 1013.7 1015.7 1008.0 MAX. QFE PRESSURE IN HPA 1021.0 1022.5 1019.3 1014.1 1006.7 1003.5 1000.5 1004.0 1009.5 1013.3 1018.0 1019.6 1022.5 DAY 27 2 12 1 11 3 3 30 21 26 29 14 MIN. QFE PRESSURE IN HPA 1013.0 1011.7 1007.5 1004.9 998.1 994.9 994.6 994.6 1001.0 1006.2 1009.0 1009.4 994.6 DAY 12 27 26 30 28 22 27 14 6 13 7 22 MEAN QNH PRESSURE IN HPA 1017.7 1017.5 1012.9 1008.8 1003.2 999.3 998.2 998.6 1005.2 1010.0 1014.2 1016.2 1008.5 MAX. QNH PRESSURE IN HPA 1021.5 1023.0 1019.8 1014.6 1007.2 1004.0 1001.0 1004.5 1010.0 1013.8 1018.5 1020.1 1023.0 DAY 27 2 12 1 11 3 3 30 21 26 29 14 MIN. QNH PRESSURE IN HPA 1013.5 1012.2 1008.0 1005.4 998.6 995.4 995.1 995.1 1001.5 1006.7 1009.5 1009.9 995.1 DAY 12 27 26 30 28 22 27 14 6 13 7 22 MEAN QFF PRESSURE IN HPA 1018.0 1017.7 1013.2 1009.1 1003.5 999.5 998.4 998.8 1005.4 1010.2 1014.5 1016.4 1008.7 MAX. QFF PRESSURE IN HPA 1021.8 1023.3 1020.1 1014.9 1007.4 1004.2 1001.2 1004.7 1010.2 1014.0 1018.8 1020.4 1023.3 DAY 27 2 12 1 11 3 3 30 21 26 29 14 MIN. QFF PRESSURE IN HPA 1013.8 1012.5 1008.3 1005.6 998.8 995.6 995.3 995.3 1001.7 1006.9 1009.7 1010.2 995.3 DAY 12 27 26 30 28 22 27 14 6 13 7 22 ======================================================================================================================= 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 2002 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1019.0 1018.9 1014.3 1010.1 1004.3 999.9 998.8 999.2 1006.1 1011.0 1015.6 1017.6 1009.6 MAX. QFE PRESSURE IN HPA 1023.0 1024.4 1021.1 1016.2 1008.6 1004.6 1001.1 1004.9 1010.8 1015.1 1019.8 1021.8 1024.4 DAY 26 2 13 1 10 3 3 30 21 26 29 30 MIN. QFE PRESSURE IN HPA 1014.9 1013.5 1009.6 1005.3 998.9 995.8 995.9 995.7 1002.8 1007.5 1012.1 1011.5 995.7 DAY 22 28 28 30 28 22 22 6 5 12 7 22 MEAN QNH PRESSURE IN HPA 1019.5 1019.4 1014.8 1010.6 1004.8 1000.4 999.3 999.7 1006.6 1011.5 1016.1 1018.1 1010.1 MAX. QNH PRESSURE IN HPA 1023.5 1024.9 1021.6 1016.7 1009.1 1005.1 1001.6 1005.4 1011.3 1015.6 1020.3 1022.3 1024.9 DAY 26 2 13 1 10 3 3 30 21 26 29 30 MIN. QNH PRESSURE IN HPA 1015.4 1014.0 1010.1 1005.8 999.4 996.3 996.4 996.2 1003.3 1008.0 1012.6 1012.0 996.2 DAY 22 28 28 30 28 22 22 6 5 12 7 22 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 1017.7 1018.0 1013.6 1009.5 1004.0 999.5 998.5 998.6 1005.5 1009.9 1014.2 1016.1 1008.8 MAX. QFE PRESSURE IN HPA 1022.1 1023.6 1020.7 1015.2 1008.1 1003.9 1000.9 1004.4 1010.0 1013.4 1018.3 1020.2 1023.6 DAY 26 6 11 1 10 3 3 29 21 26 29 14 MIN. QFE PRESSURE IN HPA 1013.7 1012.5 1008.8 1005.1 999.4 995.2 996.0 995.1 1002.2 1005.9 1010.6 1009.8 995.1 DAY 22 28 28 30 28 22 22 6 5 12 7 22 MEAN QNH PRESSURE IN HPA 1018.2 1018.5 1014.1 1010.0 1004.5 1000.0 999.0 999.1 1005.9 1010.3 1014.7 1016.6 1009.2 MAX. QNH PRESSURE IN HPA 1022.6 1024.1 1021.2 1015.7 1008.6 1004.4 1001.4 1004.9 1010.5 1013.9 1018.8 1020.7 1024.1 DAY 26 6 11 1 10 3 3 29 21 26 29 14 MIN. QNH PRESSURE IN HPA 1014.2 1013.0 1009.3 1005.6 999.9 995.7 996.5 995.6 1002.7 1006.4 1011.1 1010.3 995.6 DAY 22 28 28 30 28 22 22 6 5 12 7 22 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 1016.5 1016.1 1011.9 1007.8 1002.4 998.0 997.1 996.9 1003.9 1008.5 1012.7 1014.8 1007.2 MAX. QFE PRESSURE IN HPA 1021.0 1021.5 1018.3 1013.4 1005.9 1002.3 999.1 1002.6 1008.5 1012.4 1016.5 1020.1 1021.5 DAY 26 1 11 1 10 3 3 29 21 26 29 30 MIN. QFE PRESSURE IN HPA 1012.8 1011.2 1007.3 1002.7 998.3 994.2 993.9 993.2 1000.1 1004.8 1008.5 1008.5 993.2 DAY 22 25 26 3 28 22 22 6 10 12 7 22 MEAN QNH PRESSURE IN HPA 1017.0 1016.6 1012.4 1008.3 1002.9 998.4 997.6 997.4 1004.4 1008.9 1013.2 1015.3 1007.7 MAX. QNH PRESSURE IN HPA 1021.5 1022.0 1018.8 1013.9 1006.4 1002.8 999.6 1003.1 1009.0 1012.9 1017.0 1020.6 1022.0 DAY 26 1 11 1 10 3 3 29 21 26 29 30 MIN. QNH PRESSURE IN HPA 1013.3 1011.7 1007.8 1003.2 998.8 994.7 994.4 993.7 1000.6 1005.3 1009.0 1009.0 993.7 DAY 22 25 26 3 28 22 22 6 10 12 7 22 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 2002 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1017.1 1016.5 1012.3 1007.6 1001.9 997.6 996.5 996.7 1003.6 1008.7 1013.2 1015.3 1007.2 MAX. QFE PRESSURE IN HPA 1021.8 1022.1 1018.8 1014.1 1005.8 1001.7 999.0 1002.4 1008.4 1012.4 1017.1 1019.9 1022.1 DAY 26 1 11 1 10 3 3 29 20 26 29 30 MIN. QFE PRESSURE IN HPA 1013.2 1011.2 1006.1 1001.9 998.2 994.0 993.5 993.2 1000.1 1004.8 1009.4 1009.8 993.2 DAY 11 25 28 30 28 20 22 6 7 12 7 22 MEAN QNH PRESSURE IN HPA 1017.6 1017.0 1012.8 1008.0 1002.4 998.0 997.0 997.2 1004.1 1009.2 1013.7 1015.8 1007.7 MAX. QNH PRESSURE IN HPA 1022.3 1022.6 1019.3 1014.6 1006.3 1002.2 999.5 1002.9 1008.9 1012.9 1017.6 1020.4 1022.6 DAY 26 1 11 1 10 3 3 29 20 26 29 30 MIN. QNH PRESSURE IN HPA 1013.7 1011.7 1006.6 1002.4 998.7 994.5 994.0 993.7 1000.6 1005.3 1009.9 1010.3 993.7 DAY 11 25 28 30 28 20 22 6 7 12 7 22 MEAN QFF PRESSURE IN HPA 1017.9 1017.3 1013.0 1008.3 1002.6 998.3 997.2 997.4 1004.4 1009.4 1013.9 1016.1 1008.0 MAX. QFF PRESSURE IN HPA 1022.6 1022.9 1019.6 1014.9 1006.5 1002.4 999.7 1003.1 1009.1 1013.1 1017.9 1020.7 1022.9 DAY 26 1 11 1 10 3 3 29 20 26 29 30 MIN. QFF PRESSURE IN HPA 1014.0 1012.0 1006.8 1002.6 998.9 994.7 994.2 993.9 1000.8 1005.5 1010.1 1010.6 993.9 DAY 11 25 28 30 28 20 22 6 7 12 7 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 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 2003 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 21.2 22.3 23.7 27.1 29.9 32.4 34.3 34.3 33.4 31.4 27.4 23.1 28.4 MINIMUN AIR TEMPERATURE (C) 17.9 20.0 20.9 23.8 27.2 29.4 31.8 30.8 30.3 28.1 24.7 20.7 25.5 DAYS WITH MINIMUM TEMP. >=21 2 9 17 28 31 30 31 31 30 31 28 14 282 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) 14.4 17.4 16.4 19.6 24.2 25.8 27.0 28.6 27.8 24.0 20.2 15.6 14.4 DAY 21 9 17 17 4 1 2 13 30 31 17 20 MAXIMUM AIR TEMPERATURE (C) 23.2 24.0 26.0 29.3 32.1 34.4 36.5 36.8 35.6 33.5 29.2 24.8 30.5 DAYS WITH MAXIMUM TEMP. >=30 0 0 3 11 29 30 31 31 30 31 12 0 208 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 24.8 26.4 31.6 33.2 35.8 36.8 38.6 39.6 38.8 35.2 32.2 27.4 39.6 DAY 7 22 12 1 9 13 11 11 4 5 1 6 DIF. BETWEEN (MAX.-MIN.) (C) 5.3 4.0 5.1 5.5 4.9 5.0 4.7 6.0 5.3 5.4 4.5 4.1 5.0 MEAN DAILY TEMP. (MDT) (C) 20.6 22.0 23.5 26.6 29.6 31.9 34.2 33.8 33.0 30.8 26.9 22.8 28.0 COOLING DEG. DAYS(BASE 21 0C) 9.6 30.9 79.9 166.9 267.5 326.8 408.8 396.5 359.4 304.5 177.5 57.0 2585.4 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) 13.5 16.4 16.9 20.9 24.1 27.6 27.9 28.3 26.7 24.0 17.5 15.1 21.6 MIXING RATIO (G/KG) 9.81 11.87 12.44 15.75 19.38 24.01 24.44 25.05 22.65 19.03 12.88 10.94 17.35 VAPOUR PRESSURE (HPA) 15.78 18.97 19.82 24.91 30.35 37.05 37.62 38.64 35.23 29.97 20.54 17.57 27.20 SATURATION DEF. (HPA) 9.58 8.03 9.85 11.10 12.01 11.75 16.66 15.55 16.29 16.28 16.26 10.79 12.85 RELATIVE HUMIDITY (MEAN %) 62 70 67 71 72 76 70 72 69 65 56 62 68 RELATIVE HUMIDITY (MAX. %) 73 80 79 83 82 86 80 86 81 77 64 71 79 RELATIVE HUMIDITY (MIN. %) 55 63 58 59 62 70 61 62 61 57 49 55 59 RELATIVE HUMIDITY (MEAN% 03UTC) 71 78 76 81 79 85 79 86 80 77 61 69 77 RELATIVE HUMIDITY (MEAN% 09UTC) 59 66 62 65 69 73 66 67 63 60 53 57 63 RELATIVE HUMIDITY (MEAN% 15UTC) 63 71 69 72 73 77 71 72 70 67 57 64 69 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 0.4 13.3 8.1 12.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 4.0 37.8 DAYS WITH PRECIPITATION >=10 0 0 0 1 0 0 0 0 0 0 0 0 1 DAYS WITH PRECIPITATION >= 5 0 2 1 1 0 0 0 0 0 0 0 0 4 DAYS WITH PRECIPITATION >= 1 0 3 2 1 0 0 0 0 0 0 0 1 7 DAYS WITH PRECIPITATION 2 6 3 1 0 0 0 0 0 0 0 3 15 GREATEST DAILY PRECIPITATION 0.2 6.0 7.0 12.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 3.0 12.0 DAY 22 24 21 17 ** ** ** ** ** ** ** 3 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 1 6 3 1 1 7 1 2 3 7 4 37 WIND DIRECTION (PREVAILING) 270 270 45 270 225 225 270 45 270 270 270 45 270 PREVAILING WIND SPEED(KNOTS) 8.5 10.8 10.3 9.6 8.1 7.5 7.1 8.9 8.0 8.6 15.9 10.2 8.9 PREVAILING WIND PERCENT 18.7 17.9 20.0 20.0 25.2 25.3 12.3 18.1 27.3 24.5 18.7 23.2 18.0 CALMS PERCENT OF WIND 39.4 20.7 18.1 16.7 21.9 18.7 16.1 25.2 26.7 28.4 23.3 35.5 24.3 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 155 1825 VECTOR WIND DIRECTION (MEAN) 272 302 20 269 252 233 143 43 280 250 306 27 282 VECTOR WIND MAGNITUDE(KNOTS) 1.4 2.6 1.3 2.8 3.7 3.9 0.8 2.6 1.9 3.1 3.3 2.3 1.4 WIND STEADINESES (MEAN %) 27.5 33.8 17.3 39.4 58.7 65.0 11.8 45.6 33.9 53.4 36.3 41.1 21.5 WIND SPEED (MEAN KNOTS) 5.1 7.7 7.5 7.1 6.3 6.0 6.8 5.7 5.6 5.8 9.1 5.6 6.5 FASTEST WIND DIRECTION 180 270 300 190 300 180 190 60 170 160 300 60 300 FASTEST WIND SPEED (KNOTS) 21 31 23 19 16 14 17 14 16 23 39 19 39 DAY 29 17 1 14 1 23 30 17 26 29 15 12 DAYS WITH SKY CLEAR (0-2)/8 16 12 20 20 31 30 22 30 30 28 22 11 272 DAYS WITH P.CLOUDY (3-6)/8 14 10 9 8 0 0 9 1 0 3 8 16 78 DAYS WITH CLOUDY (7-8)/8 1 6 2 2 0 0 0 0 0 0 0 4 15 DAYS WITH VISIBILITY =< 2 KM 2 4 5 2 2 1 1 8 3 4 1 2 35 DURATION OF SUNSHINE HOURS 236.9 199.1 248.5 264.3 305.7 323.8 246.8 297.4 284.9 293.9 261.6 206.9 3169.8 ======================================================================================================================= 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 2003 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1017.1 1013.4 1012.0 1008.9 1004.8 997.2 995.5 998.4 1003.2 1010.0 1014.2 1017.3 1007.7 MAX. QFE PRESSURE IN HPA 1022.7 1020.3 1022.9 1015.0 1010.8 1007.3 1000.6 1002.1 1009.0 1017.2 1022.6 1023.1 1023.1 DAY-HOUR 12- 6 3- 6 3- 6 7- 9 3- 6 1- 6 3- 6 17- 6 26- 6 29- 6 25- 6 14- 6 MIN. QFE PRESSURE IN HPA 1009.9 1007.4 1003.4 1003.0 1001.0 991.9 991.2 994.7 997.2 1004.0 1008.4 1011.3 991.2 DAY-HOUR 29- 3 15-12 13-12 13-15 18-15 20-15 25-15 9-15 4-15 6- 3 1-12 6-12 MEAN QNH PRESSURE IN HPA 1017.6 1013.9 1012.5 1009.4 1005.3 997.7 996.0 998.9 1003.6 1010.4 1014.7 1017.8 1008.2 MAX. QNH PRESSURE IN HPA 1023.2 1020.8 1023.4 1015.5 1011.3 1007.8 1001.1 1002.6 1009.5 1017.7 1023.1 1023.6 1023.6 DAY-HOUR 12- 6 3- 6 3- 6 7- 9 3- 6 1- 6 3- 6 17- 6 26- 6 29- 6 25- 6 14- 6 MIN. QNH PRESSURE IN HPA 1010.4 1007.9 1003.9 1003.5 1001.5 992.4 991.7 995.2 997.7 1004.5 1008.9 1011.8 991.7 DAY-HOUR 29- 3 15-12 13-12 13-15 18-15 20-15 25-15 9-15 4-15 6- 3 1-12 6-12 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 1016.7 1013.2 1011.8 1008.5 1004.5 997.3 995.9 998.6 1003.2 1009.9 1014.2 1017.1 1007.6 MAX. QFE PRESSURE IN HPA 1020.9 1018.4 1020.7 1013.6 1008.9 1006.2 1000.5 1000.8 1007.7 1014.9 1020.6 1021.0 1021.0 DAY 7 3 3 8 3 1 3 17 27 29 25 15 MIN. QFE PRESSURE IN HPA 1009.9 1008.2 1005.2 1003.5 1001.7 993.1 993.2 996.1 999.2 1004.0 1009.8 1012.7 993.1 DAY 29 15 13 14 19 21 26 21 4 6 1 6 MEAN QNH PRESSURE IN HPA 1017.2 1013.7 1012.3 1009.0 1005.0 997.8 996.4 999.1 1003.7 1010.4 1014.7 1017.6 1008.1 MAX. QNH PRESSURE IN HPA 1021.4 1018.9 1021.2 1014.1 1009.4 1006.7 1001.0 1001.3 1008.2 1015.4 1021.1 1021.5 1021.5 DAY 7 3 3 8 3 1 3 17 27 29 25 15 MIN. QNH PRESSURE IN HPA 1010.4 1008.7 1005.7 1004.0 1002.2 993.6 993.7 996.6 999.7 1004.5 1010.3 1013.2 993.6 DAY 29 15 13 14 19 21 26 21 4 6 1 6 MEAN QFF PRESSURE IN HPA 1017.4 1013.9 1012.6 1009.3 1005.3 998.0 996.6 999.3 1004.0 1010.7 1015.0 1017.9 1008.3 MAX. QFF PRESSURE IN HPA 1021.7 1019.2 1021.5 1014.4 1009.6 1006.9 1001.2 1001.5 1008.4 1015.6 1021.4 1021.8 1021.8 DAY 7 3 3 8 3 1 3 17 27 29 25 15 MIN. QFF PRESSURE IN HPA 1010.7 1009.0 1005.9 1004.2 1002.4 993.8 993.9 996.8 999.9 1004.7 1010.5 1013.5 993.8 DAY 29 15 13 14 19 21 26 21 4 6 1 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 2003 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1018.7 1015.0 1013.7 1010.3 1006.0 998.4 996.7 999.9 1004.6 1011.5 1015.9 1019.0 1009.2 MAX. QFE PRESSURE IN HPA 1022.7 1020.3 1022.9 1014.8 1010.8 1007.3 1000.6 1002.1 1009.0 1017.2 1022.6 1023.1 1023.1 DAY 12 3 3 7 3 1 3 17 26 29 25 14 MIN. QFE PRESSURE IN HPA 1013.4 1009.8 1006.7 1005.3 1003.0 994.0 994.0 997.1 1000.1 1005.4 1011.4 1014.4 994.0 DAY 24 15 13 14 18 21 25 20 4 6 1 5 MEAN QNH PRESSURE IN HPA 1019.2 1015.5 1014.2 1010.8 1006.5 998.9 997.2 1000.4 1005.1 1012.0 1016.4 1019.5 1009.6 MAX. QNH PRESSURE IN HPA 1023.2 1020.8 1023.4 1015.3 1011.3 1007.8 1001.1 1002.6 1009.5 1017.7 1023.1 1023.6 1023.6 DAY 12 3 3 7 3 1 3 17 26 29 25 14 MIN. QNH PRESSURE IN HPA 1013.9 1010.3 1007.2 1005.8 1003.5 994.5 994.5 997.6 1000.6 1005.9 1011.9 1014.9 994.5 DAY 24 15 13 14 18 21 25 20 4 6 1 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 1017.5 1014.0 1012.9 1009.9 1005.8 998.0 996.3 999.2 1003.9 1010.5 1014.5 1017.5 1008.3 MAX. QFE PRESSURE IN HPA 1021.3 1018.6 1022.1 1015.0 1010.4 1007.0 1000.2 1001.3 1008.5 1015.7 1020.9 1021.7 1022.1 DAY 6 3 3 7 3 1 3 29 27 29 25 14 MIN. QFE PRESSURE IN HPA 1012.4 1009.4 1006.8 1005.3 1002.7 993.9 993.6 996.7 999.5 1004.4 1009.8 1012.9 993.6 DAY 24 16 13 13 18 20 25 21 5 6 1 5 MEAN QNH PRESSURE IN HPA 1018.0 1014.5 1013.4 1010.4 1006.3 998.5 996.8 999.7 1004.4 1011.0 1015.0 1018.0 1008.8 MAX. QNH PRESSURE IN HPA 1021.8 1019.1 1022.6 1015.5 1010.9 1007.5 1000.7 1001.8 1009.0 1016.2 1021.4 1022.2 1022.6 DAY 6 3 3 7 3 1 3 29 27 29 25 14 MIN. QNH PRESSURE IN HPA 1012.9 1009.9 1007.3 1005.8 1003.2 994.4 994.1 997.2 1000.0 1004.9 1010.3 1013.4 994.1 DAY 24 16 13 13 18 20 25 21 5 6 1 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 1016.2 1012.2 1011.0 1008.1 1004.2 996.5 994.7 997.5 1002.1 1009.0 1013.0 1016.2 1006.7 MAX. QFE PRESSURE IN HPA 1020.7 1016.9 1020.1 1013.5 1008.5 1005.0 998.2 999.4 1006.5 1013.7 1019.8 1020.3 1020.7 DAY 6 3 3 7 3 1 3 5 26 29 25 14 MIN. QFE PRESSURE IN HPA 1011.5 1007.4 1003.4 1003.4 1001.4 992.6 992.1 995.1 997.4 1004.0 1008.4 1011.3 992.1 DAY 28 15 13 13 18 20 25 9 4 6 1 6 MEAN QNH PRESSURE IN HPA 1016.7 1012.7 1011.5 1008.6 1004.7 997.0 995.2 998.0 1002.6 1009.5 1013.5 1016.6 1007.2 MAX. QNH PRESSURE IN HPA 1021.2 1017.4 1020.6 1014.0 1009.0 1005.5 998.7 999.9 1007.0 1014.2 1020.3 1020.8 1021.2 DAY 6 3 3 7 3 1 3 5 26 29 25 14 MIN. QNH PRESSURE IN HPA 1012.0 1007.9 1003.9 1003.9 1001.9 993.1 992.6 995.6 997.9 1004.5 1008.9 1011.8 992.6 DAY 28 15 13 13 18 20 25 9 4 6 1 6 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 2003 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1016.6 1012.6 1010.8 1007.7 1003.8 996.0 994.1 997.0 1002.0 1009.0 1013.3 1016.9 1006.6 MAX. QFE PRESSURE IN HPA 1021.1 1017.6 1019.9 1013.1 1007.9 1004.4 997.3 998.8 1006.1 1013.5 1020.3 1021.3 1021.3 DAY 6 2 3 7 3 1 3 29 27 29 25 29 MIN. QFE PRESSURE IN HPA 1011.5 1007.4 1005.0 1003.0 1001.0 991.9 991.2 994.7 997.2 1004.1 1008.9 1011.8 991.2 DAY 28 15 12 13 18 20 25 9 4 6 8 5 MEAN QNH PRESSURE IN HPA 1017.1 1013.1 1011.3 1008.2 1004.2 996.5 994.6 997.5 1002.4 1009.5 1013.8 1017.4 1007.1 MAX. QNH PRESSURE IN HPA 1021.6 1018.1 1020.4 1013.6 1008.4 1004.9 997.8 999.3 1006.6 1014.0 1020.8 1021.8 1021.8 DAY 6 2 3 7 3 1 3 29 27 29 25 29 MIN. QNH PRESSURE IN HPA 1012.0 1007.9 1005.5 1003.5 1001.5 992.4 991.7 995.2 997.7 1004.6 1009.4 1012.3 991.7 DAY 28 15 12 13 18 20 25 9 4 6 8 5 MEAN QFF PRESSURE IN HPA 1017.4 1013.4 1011.6 1008.5 1004.5 996.7 994.8 997.8 1002.7 1009.7 1014.0 1017.6 1007.4 MAX. QFF PRESSURE IN HPA 1021.9 1018.4 1020.7 1013.9 1008.6 1005.1 998.0 999.5 1006.8 1014.2 1021.1 1022.1 1022.1 DAY 6 2 3 7 3 1 3 29 27 29 25 29 MIN. QFF PRESSURE IN HPA 1012.3 1008.2 1005.7 1003.7 1001.7 992.6 991.9 995.4 997.9 1004.8 1009.6 1012.6 991.9 DAY 28 15 12 13 18 20 25 9 4 6 8 5 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 CLIMATOLOGICAL NORMALS FOR THE PERIOD 1984-2003 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 21.1 21.3 23.0 26.2 29.8 32.0 33.8 34.2 32.8 30.7 27.2 23.2 27.9 MINIMUN AIR TEMPERATURE (C) 18.0 18.3 20.0 22.8 26.2 28.5 30.4 30.7 29.0 26.7 23.5 20.0 24.5 DAYS WITH MINIMUM TEMP. >=21 3.6 2.9 12.0 24.8 30.9 29.8 31.0 30.9 29.9 30.7 25.9 12.3 264.7 DAYS WITH MINIMUM TEMP. <=-4 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 DAYS WITH FREEZING MIN.<= 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 LOWEST(C) 11.0 8.0 11.6 15.8 19.2 23.4 26.2 26.8 24.0 19.0 17.8 11.0 8.0 YEAR-DAY 89-21 85-21 89- 3 89- 3 89- 3 91- 8 92- 8 84-13 84-27 84-27 87-21 86- 7 85-21 MAXIMUM AIR TEMPERATURE (C) 23.1 23.5 25.4 28.9 32.5 34.4 36.3 36.6 35.3 33.1 29.6 25.5 30.3 DAYS WITH MAXIMUM TEMP. >=30 0.0 0.0 1.2 10.4 27.6 29.8 31.0 30.9 29.9 30.9 14.1 0.2 206.0 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) 27.8 29.5 36.0 39.6 41.8 40.2 45.0 41.4 43.0 43.0 35.0 30.0 45.0 YEAR-DAY 99- 1 95- 4 85-20 85-24 99-31 97-29 85-20 87- 4 85- 1 85- 6 88- 9 84- 1 85-20 DIF. BETWEEN (MAX.-MIN.) (C) 5.1 5.2 5.4 6.1 6.3 5.9 5.9 5.9 6.3 6.4 6.1 5.5 5.8 MEAN DAILY TEMP. (MDT) (C) 20.6 20.9 22.7 25.8 29.4 31.5 33.4 33.7 32.1 29.9 26.6 22.7 27.4 STANDARD DEVIATION OF MDT(C) 0.92 0.81 0.82 1.00 0.83 0.76 0.74 0.57 0.63 0.82 0.70 1.06 0.81 COOLING DEG. DAYS(BASE 21 0C) 14.9 17.0 57.5 145.0 258.9 311.7 383.5 390.7 333.4 275.6 166.4 60.3 2414.9 HEATING DEG. DAYS(BASE 18 0C) 1.9 1.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 3.1 DEWPOINT (MEAN C) 12.9 14.0 16.5 20.1 23.5 26.3 27.5 27.5 26.2 22.9 18.1 15.1 20.9 MIXING RATIO (G/KG) 9.52 10.24 12.01 15.01 18.71 22.24 23.95 23.97 21.97 17.93 13.25 10.99 16.65 VAPOUR PRESSURE (HPA) 15.31 16.44 19.16 23.77 29.31 34.46 36.93 37.03 34.24 28.28 21.15 17.64 26.14 SATURATION DEF. (HPA) 9.82 9.09 9.13 10.49 12.92 13.27 16.00 17.06 15.92 16.32 15.25 11.05 13.03 RELATIVE HUMIDITY (MEAN %) 61 65 68 71 71 73 71 70 69 64 59 62 66 RELATIVE HUMIDITY (MAX. %) 71 76 80 83 83 85 84 84 83 78 71 72 79 RELATIVE HUMIDITY (MIN. %) 53 56 59 60 60 63 60 59 60 55 50 54 57 RELATIVE HUMIDITY (MEAN% 03UTC) 69 74 78 82 82 84 84 84 83 77 69 70 78 RELATIVE HUMIDITY (MEAN% 09UTC) 57 60 63 65 65 68 66 63 62 58 54 57 62 RELATIVE HUMIDITY (MEAN% 15UTC) 62 65 69 71 71 74 70 69 70 64 60 64 67 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 25.6 23.6 28.7 8.5 0.0 0.0 0.3 0.0 0.0 2.1 4.5 32.8 126.1 DAYS WITH PRECIPITATION >=10 0.8 0.7 0.9 0.3 0.0 0.0 0.0 0.0 0.0 0.1 0.2 1.0 4.0 DAYS WITH PRECIPITATION >= 5 1.0 1.3 1.3 0.5 0.0 0.0 0.0 0.0 0.0 0.1 0.5 1.4 6.1 DAYS WITH PRECIPITATION >= 1 2.0 2.2 2.5 0.8 0.0 0.0 0.1 0.0 0.0 0.1 0.8 2.4 10.9 DAYS WITH PRECIPITATION 3.6 3.7 4.7 1.6 0.1 0.1 0.2 0.1 0.1 0.1 1.0 3.6 18.9 GREATEST DAILY PRECIPITATION 61.0 65.0 45.0 66.0 0.0 0.2 4.0 0.0 0.2 35.0 11.2 66.0 66.0 YEAR-DAY 98- 3 90-10 96-13 88-27 **-** 85- 4 95-23 **-** 89-20 97-31 97-27 95-16 88 DAY WITH THUNDER STORM 0.9 0.7 1.1 0.5 0.0 0.0 0.1 0.1 0.0 0.2 0.8 1.7 6.1 DAYS WITH SNOW OR SLEET 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 DAYS WITH DUST 3.9 6.5 6.7 5.7 5.6 4.1 3.4 3.0 2.8 2.1 2.9 3.6 50.3 WIND DIRECTION (PREVAILING) 270 270 270 270 270 225 225 45 270 270 270 270 270 PREVAILING WIND SPEED(KNOTS) 11.1 12.0 11.6 11.1 10.4 8.1 8.1 8.8 7.9 7.8 10.0 10.3 10.0 PREVAILING WIND PERCENT 26.5 27.8 28.8 30.3 29.7 29.5 18.0 15.1 17.3 19.7 21.3 21.6 23.0 CALMS PERCENT OF WIND 25.7 19.8 16.1 16.0 17.0 17.5 19.3 23.3 27.2 30.5 32.8 30.2 22.9 NO. OF WIND OBSERVATION 159.9 145.4 159.4 154.5 161.0 153.6 155.2 155.0 151.1 159.6 154.3 159.2 1868.2 VECTOR WIND DIRECTION (MEAN) 287 292 282 264 256 250 259 333 243 266 296 312 272 VECTOR WIND MAGNITUDE(KNOTS) 2.8 2.9 3.0 4.6 4.9 4.1 1.3 0.4 1.8 1.5 2.1 1.8 2.4 WIND STEADINESES (MEAN %) 37.8 33.7 35.3 57.5 64.5 61.2 20.3 6.6 31.0 27.8 34.4 26.5 34.3 WIND SPEED (MEAN KNOTS) 7.4 8.6 8.5 8.0 7.6 6.7 6.4 6.1 5.8 5.4 6.1 6.8 7.0 FASTEST WIND DIRECTION 300 180 50 300 270 310 330 150 190 60 300 320 300 FASTEST WIND SPEED (KNOTS) 39 39 39 33 29 29 27 21 27 31 39 33 39 YEAR-DAY 86-21 99- 6 86- 7 93-14 86-10 92-18 84-24 86- 6 94-11 94-10 3-15 91- 5 86 DAYS WITH SKY CLEAR (0-2)/8 16.0 17.7 16.9 20.3 26.6 29.2 26.6 28.9 29.2 29.5 22.8 17.4 281.1 DAYS WITH P.CLOUDY (3-6)/8 11.3 7.9 9.0 7.4 3.8 0.6 3.9 2.0 0.7 1.4 6.7 10.8 65.5 DAYS WITH CLOUDY (7-8)/8 3.0 2.6 5.0 2.2 0.5 0.1 0.4 0.1 0.0 0.1 0.5 2.7 17.2 DAYS WITH VISIBILITY =< 2 KM 0.8 1.0 2.4 3.1 3.0 4.2 5.1 3.6 3.3 1.6 0.4 1.2 29.7 DURATION OF SUNSHINE HOURS 226.1 225.8 226.9 272.5 313.6 322.1 290.9 297.8 285.0 294.2 264.5 229.4 3248.8 ======================================================================================================================= 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 CLIMATOLOGICAL NORMALS FOR THE PERIOD 1984-2003 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1017.2 1015.4 1012.6 1009.4 1004.6 998.8 996.4 998.7 1004.3 1010.6 1014.8 1017.2 1008.3 MAX. QFE PRESSURE IN HPA 1026.4 1026.7 1022.9 1020.4 1012.8 1008.5 1005.4 1006.1 1014.7 1018.2 1023.2 1024.7 1026.7 YEAR-DAY 93-27 91-16 3- 3 89- 1 89- 3 97- 4 87-29 86-30 94-24 86-21 84-26 94-28 91-16 MIN. QFE PRESSURE IN HPA 1004.5 1006.9 1002.6 1001.9 995.2 989.1 989.5 991.4 995.0 1003.5 1004.5 1008.5 989.1 YEAR-DAY 97-17 91- 8 1-25 2-30 93-30 97-29 95-20 95- 3 0- 1 98- 1 90- 1 94- 4 97-29 MEAN QNH PRESSURE IN HPA 1017.7 1015.9 1013.1 1009.9 1005.1 999.3 996.9 999.1 1004.7 1011.1 1015.2 1017.7 1008.8 MAX. QNH PRESSURE IN HPA 1026.9 1027.2 1023.4 1020.9 1013.3 1009.0 1005.9 1006.6 1015.2 1018.7 1023.7 1025.2 1027.2 YEAR-DAY 93-27 91-16 3- 3 89- 1 89- 3 97- 4 87-29 86-30 94-24 86-21 84-26 94-28 91-16 MIN. QNH PRESSURE IN HPA 1005.0 1007.4 1003.1 1002.4 995.7 989.6 990.0 991.9 995.5 1004.0 1005.0 1009.0 989.6 YEAR-DAY 97-17 91- 8 1-25 2-30 93-30 97-29 95-20 95- 3 0- 1 98- 1 90- 1 94- 4 97-29 MEAN QFF PRESSURE IN HPA 1019.2 1017.6 1014.9 1011.8 1006.3 1001.0 ****** ****** ****** 1011.3 1016.5 1017.7 1012.9 MAX. QFF PRESSURE IN HPA 1027.2 1026.7 1018.7 1018.3 1012.5 1005.4 ****** ****** ****** 1018.6 1022.5 1023.0 1027.2 YEAR-DAY 93-27 93- 7 93-17 93- 1 93-10 93- 1 **-** **-** **-** 92-29 92-24 92-12 93-27 MIN. QFF PRESSURE IN HPA 1012.3 1009.0 1008.3 1005.7 995.9 996.2 ****** ****** ****** 1006.2 1011.7 1012.9 995.9 YEAR-DAY 93- 8 93- 4 93-12 93-27 93-30 93-13 **-** **-** **-** 92-15 92-17 92-22 93-30 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 1017.9 1016.1 1013.3 1010.0 1004.6 999.4 ****** ****** ****** 1009.7 1015.0 1016.2 1011.3 MAX. QFE PRESSURE IN HPA 1024.3 1023.3 1015.4 1014.1 1008.9 1002.4 ****** ****** ****** 1015.7 1019.4 1019.1 1024.3 YEAR-DAY 93-27 93- 8 93- 1 93- 1 93-14 93- 2 **-** **-** **-** 92-30 92-24 92-25 93-27 MIN. QFE PRESSURE IN HPA 1012.6 1011.5 1007.7 1005.0 995.2 995.5 ****** ****** ****** 1005.9 1011.1 1012.4 995.2 YEAR-DAY 93-10 93- 5 93-10 93-27 93-30 93-13 **-** **-** **-** 92- 1 92-16 92- 4 93-30 MEAN QNH PRESSURE IN HPA 1018.4 1016.6 1013.8 1010.5 1005.1 999.9 ****** ****** ****** 1010.2 1015.5 1016.7 1011.8 MAX. QNH PRESSURE IN HPA 1024.8 1023.8 1015.9 1014.6 1009.4 1002.9 ****** ****** ****** 1016.2 1019.9 1019.6 1024.8 YEAR-DAY 93-27 93- 8 93- 1 93- 1 93-14 93- 2 **-** **-** **-** 92-30 92-24 92-25 93-27 MIN. QNH PRESSURE IN HPA 1013.1 1012.0 1008.2 1005.5 995.7 996.0 ****** ****** ****** 1006.4 1011.6 1012.9 995.7 YEAR-DAY 93-10 93- 5 93-10 93-27 93-30 93-13 **-** **-** **-** 92- 1 92-16 92- 4 93-30 MEAN QFF PRESSURE IN HPA 1018.6 1017.0 1014.1 1010.7 1005.3 1000.1 ****** ****** ****** 1010.5 1015.7 1016.9 1012.1 MAX. QFF PRESSURE IN HPA 1025.1 1024.1 1016.2 1014.9 1009.6 1003.1 ****** ****** ****** 1016.5 1020.2 1019.9 1025.1 YEAR-DAY 93-27 93- 8 93- 1 93- 1 93-14 93- 2 **-** **-** **-** 92-30 92-24 92-25 93-27 MIN. QFF PRESSURE IN HPA 1013.4 1012.3 1008.4 1005.7 995.9 996.2 ****** ****** ****** 1006.6 1011.8 1013.2 995.9 YEAR-DAY 93-10 93- 5 93-10 93-27 93-30 93-13 **-** **-** **-** 92- 1 92-16 92- 4 93-30 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1017.0 1015.2 1012.5 1009.1 1004.5 999.0 996.7 998.9 1004.2 1010.8 1014.8 1017.1 1008.3 MAX. QFE PRESSURE IN HPA 1024.8 1024.4 1020.7 1019.6 1011.1 1007.0 1003.4 1004.9 1012.9 1016.5 1021.2 1022.7 1024.8 YEAR-DAY 93-27 91-16 3- 3 89- 1 89- 5 97- 4 87-29 86-30 94-24 92-30 84-26 87- 2 93-27 MIN. QFE PRESSURE IN HPA 1007.8 1008.2 1004.4 1003.5 996.9 990.3 990.7 993.3 995.1 1004.0 1006.0 1009.4 990.3 YEAR-DAY 96-12 3-15 84-15 1-29 93-30 97-29 95-20 95- 3 84- 1 3- 6 90- 1 2-22 97-29 MEAN QNH PRESSURE IN HPA 1017.5 1015.7 1012.9 1009.6 1005.0 999.4 997.2 999.4 1004.7 1011.3 1015.3 1017.6 1008.8 MAX. QNH PRESSURE IN HPA 1025.3 1024.9 1021.2 1020.1 1011.6 1007.5 1003.9 1005.4 1013.4 1017.0 1021.7 1023.2 1025.3 YEAR-DAY 93-27 91-16 3- 3 89- 1 89- 5 97- 4 87-29 86-30 94-24 92-30 84-26 87- 2 93-27 MIN. QNH PRESSURE IN HPA 1008.3 1008.7 1004.9 1004.0 997.4 990.8 991.2 993.8 995.6 1004.5 1006.5 1009.9 990.8 YEAR-DAY 96-12 3-15 84-15 1-29 93-30 97-29 95-20 95- 3 84- 1 3- 6 90- 1 2-22 97-29 MEAN QFF PRESSURE IN HPA 1017.7 1016.0 1013.2 1009.9 1005.2 999.7 997.4 999.6 1004.9 1011.6 1015.5 1017.9 1009.1 MAX. QFF PRESSURE IN HPA 1025.6 1025.2 1021.5 1020.4 1011.9 1007.7 1004.1 1005.6 1013.6 1017.3 1022.0 1023.5 1025.6 YEAR-DAY 93-27 91-16 3- 3 89- 1 89- 5 97- 4 92- 6 86-30 94-24 92-30 84-26 87- 2 93-27 MIN. QFF PRESSURE IN HPA 1008.6 1009.0 1005.2 1004.2 997.6 991.0 991.4 994.0 995.8 1004.7 1006.7 1010.2 991.0 YEAR-DAY 96-12 3-15 84-15 1-29 93-30 97-29 95-20 95- 3 84- 1 3- 6 90- 1 2-22 97-29 ======================================================================================================================= 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 CLIMATOLOGICAL NORMALS FOR THE PERIOD 1984-2003 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1018.8 1017.1 1014.2 1010.8 1005.9 1000.0 997.6 1000.1 1005.7 1012.5 1016.4 1018.9 1009.8 MAX. QFE PRESSURE IN HPA 1026.4 1026.7 1022.9 1020.4 1012.8 1008.5 1005.4 1006.1 1014.7 1018.2 1023.2 1024.7 1026.7 YEAR-DAY 93-27 91-16 3- 3 89- 1 89- 3 97- 4 87-29 86-30 94-24 86-21 84-26 94-28 91-16 MIN. QFE PRESSURE IN HPA 1009.2 1009.8 1006.7 1005.3 998.3 991.2 991.9 994.0 997.1 1005.4 1007.9 1011.3 991.2 YEAR-DAY 96-12 3-15 3-13 2-30 1-26 97-29 95-17 88- 2 84- 1 3- 6 90- 1 94- 4 97-29 MEAN QNH PRESSURE IN HPA 1019.3 1017.6 1014.7 1011.3 1006.4 1000.5 998.1 1000.6 1006.2 1012.9 1016.9 1019.4 1010.3 MAX. QNH PRESSURE IN HPA 1026.9 1027.2 1023.4 1020.9 1013.3 1009.0 1005.9 1006.6 1015.2 1018.7 1023.7 1025.2 1027.2 YEAR-DAY 93-27 91-16 3- 3 89- 1 89- 3 97- 4 87-29 86-30 94-24 86-21 84-26 94-28 91-16 MIN. QNH PRESSURE IN HPA 1009.7 1010.3 1007.2 1005.8 998.8 991.7 992.4 994.5 997.6 1005.9 1008.4 1011.8 991.7 YEAR-DAY 96-12 3-15 3-13 2-30 1-26 97-29 95-17 88- 2 84- 1 3- 6 90- 1 94- 4 97-29 MEAN QFF PRESSURE IN HPA 1020.9 1019.4 1016.8 1013.6 1007.0 1002.5 ****** ****** ****** 1013.1 1018.4 1019.5 1014.6 MAX. QFF PRESSURE IN HPA 1027.2 1026.7 1018.7 1018.3 1012.5 1005.4 ****** ****** ****** 1018.6 1022.5 1023.0 1027.2 YEAR-DAY 93-27 93- 7 93-17 93- 1 93-10 93- 1 **-** **-** **-** 92-29 92-24 92-12 93-27 MIN. QFF PRESSURE IN HPA 1015.6 1012.5 1011.2 1009.4 999.2 999.3 ****** ****** ****** 1008.6 1014.2 1015.8 999.2 YEAR-DAY 93- 9 93-23 93-10 93-25 93-30 93-12 **-** **-** **-** 92-16 92-17 92- 4 93-30 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1017.5 1016.1 1013.4 1010.3 1005.5 999.6 997.1 999.4 1004.9 1011.2 1015.0 1017.3 1008.9 MAX. QFE PRESSURE IN HPA 1024.8 1025.3 1022.1 1019.0 1012.1 1007.7 1005.0 1006.1 1013.6 1017.2 1022.3 1023.1 1025.3 YEAR-DAY 92- 5 91-16 3- 3 89- 1 89- 3 97- 4 87-29 86-30 94-24 86-20 84-26 94-28 91-16 MIN. QFE PRESSURE IN HPA 1007.0 1008.7 1005.3 1004.7 997.6 990.6 991.0 993.5 996.5 1004.4 1006.9 1009.5 990.6 YEAR-DAY 97-17 91- 8 88-23 90-16 1-26 97-29 95-20 95- 3 0- 1 3- 6 90- 1 94- 4 97-29 MEAN QNH PRESSURE IN HPA 1018.0 1016.5 1013.9 1010.7 1006.0 1000.1 997.6 999.9 1005.3 1011.7 1015.5 1017.8 1009.4 MAX. QNH PRESSURE IN HPA 1025.3 1025.8 1022.6 1019.5 1012.6 1008.2 1005.5 1006.6 1014.1 1017.7 1022.8 1023.6 1025.8 YEAR-DAY 92- 5 91-16 3- 3 89- 1 89- 3 97- 4 87-29 86-30 94-24 86-20 84-26 94-28 91-16 MIN. QNH PRESSURE IN HPA 1007.5 1009.2 1005.8 1005.2 998.1 991.1 991.5 994.0 997.0 1004.9 1007.4 1010.0 991.1 YEAR-DAY 97-17 91- 8 88-23 90-16 1-26 97-29 95-20 95- 3 0- 1 3- 6 90- 1 94- 4 97-29 MEAN QFF PRESSURE IN HPA 1019.5 1018.1 1016.0 1012.9 1007.5 1002.0 ****** ****** ****** 1011.8 1016.8 1018.0 1013.6 MAX. QFF PRESSURE IN HPA 1025.5 1025.6 1018.0 1016.9 1012.0 1004.9 ****** ****** ****** 1017.4 1021.1 1022.5 1025.6 YEAR-DAY 93-26 93- 7 93-14 93- 1 93- 9 93- 1 **-** **-** **-** 92-29 92-29 92-12 93- 7 MIN. QFF PRESSURE IN HPA 1014.1 1012.3 1010.9 1008.6 998.9 998.6 ****** ****** ****** 1007.4 1012.7 1013.8 998.6 YEAR-DAY 93- 8 93-23 93-10 93-26 93-30 93-13 **-** **-** **-** 92-15 92-17 92-22 93-13 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 1016.0 1014.2 1011.6 1008.5 1003.9 998.1 995.6 997.6 1003.1 1009.7 1013.6 1016.0 1007.3 MAX. QFE PRESSURE IN HPA 1023.2 1023.7 1020.1 1016.9 1010.5 1005.9 1002.6 1003.9 1012.2 1015.2 1019.9 1021.5 1023.7 YEAR-DAY 92- 5 93- 7 3- 3 89- 1 89- 4 92- 2 87-29 86-29 94-23 97-31 96-15 94-28 93- 7 MIN. QFE PRESSURE IN HPA 1004.5 1006.9 1002.8 1002.7 997.0 989.1 989.5 991.8 995.0 1003.5 1004.5 1008.5 989.1 YEAR-DAY 97-17 91- 8 88-23 2- 3 1-26 97-29 95-20 95- 3 0- 1 98- 1 90- 1 94- 4 97-29 MEAN QNH PRESSURE IN HPA 1016.5 1014.7 1012.0 1009.0 1004.4 998.5 996.0 998.1 1003.6 1010.2 1014.1 1016.5 1007.8 MAX. QNH PRESSURE IN HPA 1023.7 1024.2 1020.6 1017.4 1011.0 1006.4 1003.1 1004.4 1012.7 1015.7 1020.4 1022.0 1024.2 YEAR-DAY 92- 5 93- 7 3- 3 89- 1 89- 4 92- 2 87-29 86-29 94-23 97-31 96-15 94-28 93- 7 MIN. QNH PRESSURE I