STATION BABOLSAR (40736) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 43 N LONGITUDE 52 39 E DATA PROCESSING CENTER ELEVATION -21.0 M MEANS AND EXTREMES FOR THE YEAR 1951 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 8.3 5.8 10.1 16.1 21.4 24.9 27.4 27.9 25.1 17.9 13.8 9.9 17.4 MINIMUN AIR TEMPERATURE (C) 3.7 1.5 5.8 10.1 16.2 19.6 22.0 21.4 20.4 14.9 9.4 5.1 12.5 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 1 11 23 22 17 0 0 0 74 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 2 10 0 0 0 0 0 0 0 0 0 1 13 TEMPERATURE RECORDS LOWEST(C) -2.0 -3.0 1.0 3.0 11.0 16.0 17.0 18.0 16.0 9.0 4.0 0.0 -3.0 DAY 31 1 14 4 1 8 1 18 26 31 25 28 MAXIMUM AIR TEMPERATURE (C) 12.2 8.8 13.4 19.2 24.1 27.1 29.4 31.0 27.7 20.3 16.4 13.8 20.3 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 0 2 3 14 27 11 0 0 0 57 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 27.0 15.0 23.0 27.0 32.0 30.0 32.0 33.0 32.0 28.0 22.0 21.0 33.0 DAY 23 16 11 25 23 16 12 23 3 4 13 6 DIF. BETWEEN (MAX.-MIN.) (C) 8.5 7.3 7.6 9.1 7.9 7.5 7.4 9.6 7.3 5.4 7.0 8.7 7.8 MEAN DAILY TEMP. (MDT) (C) 7.9 5.1 9.6 14.6 20.1 23.3 25.7 26.2 24.0 17.6 12.9 9.5 16.4 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 0.0 12.0 71.5 145.5 161.5 95.0 7.0 0.0 0.0 492.5 HEATING DEG. DAYS(BASE 18 0C) 312.5 360.5 260.5 108.5 3.5 0.0 0.0 0.0 0.0 38.5 153.0 265.0 1502.0 DEWPOINT (MEAN C) 5.3 2.8 6.9 12.5 17.6 20.5 22.7 23.0 21.4 16.3 11.5 7.3 14.0 MIXING RATIO (G/KG) 5.56 4.66 6.23 9.14 12.70 15.25 17.65 17.83 16.14 11.70 8.47 6.43 10.98 VAPOUR PRESSURE (HPA) 9.04 7.61 10.11 14.73 20.30 24.23 27.85 28.19 25.68 18.79 13.71 10.45 17.56 SATURATION DEF. (HPA) 2.23 1.78 2.63 4.04 5.56 7.56 9.01 10.08 6.84 2.14 2.25 2.08 4.68 RELATIVE HUMIDITY (MEAN %) 83 83 82 81 80 78 76 76 81 91 87 85 82 RELATIVE HUMIDITY (MAX. %) 98 97 95 96 94 91 91 94 96 99 99 98 96 RELATIVE HUMIDITY (MIN. %) 68 70 71 69 71 68 68 65 71 82 74 70 71 RELATIVE HUMIDITY (MEAN% 03UTC) 97 96 94 96 94 90 91 93 96 99 98 98 95 RELATIVE HUMIDITY (MEAN% 09UTC) 73 78 74 75 75 74 72 68 75 85 80 75 75 RELATIVE HUMIDITY (MEAN% 15UTC) 86 83 83 80 80 75 74 76 80 91 90 90 82 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 73.7 80.0 46.5 5.2 23.0 19.5 2.1 27.3 119.6 243.5 56.8 88.0 785.2 DAYS WITH PRECIPITATION >=10 2 3 2 0 2 1 0 1 5 5 1 5 27 DAYS WITH PRECIPITATION >= 5 8 5 2 0 2 1 0 3 6 16 2 5 50 DAYS WITH PRECIPITATION >= 1 10 10 4 3 3 3 1 3 10 20 11 6 84 DAYS WITH PRECIPITATION 14 13 5 4 3 5 6 4 13 22 14 8 111 GREATEST DAILY PRECIPITATION 16.0 20.0 34.0 2.0 11.0 11.0 2.0 16.0 43.0 60.0 32.0 29.0 60.0 DAY 25 20 13 10 10 29 24 7 26 5 10 7 DAY WITH THUNDER STORM 0 0 0 0 0 0 0 0 1 0 0 0 1 DAYS WITH SNOW OR SLEET 2 3 1 0 0 0 0 0 0 0 0 0 6 DAYS WITH DUST 0 1 3 1 4 0 0 0 0 0 0 1 10 WIND DIRECTION (PREVAILING) 90 90 45 270 270 270 315 315 315 270 270 270 270 PREVAILING WIND SPEED(KNOTS) 3.6 2.4 3.3 5.4 11.6 6.5 7.3 5.7 4.3 9.9 3.7 3.8 7.1 PREVAILING WIND PERCENT 32.3 17.1 16.8 21.3 22.6 35.3 24.5 38.7 34.0 43.2 20.7 27.3 24.0 CALMS PERCENT OF WIND 11.0 7.9 13.5 21.3 16.8 17.3 10.3 6.5 2.0 0.0 4.0 2.6 9.4 NO. OF WIND OBSERVATION 155 140 155 150 155 150 155 155 150 155 150 154 1824 VECTOR WIND DIRECTION (MEAN) 72 319 303 302 300 283 313 286 314 290 355 340 303 VECTOR WIND MAGNITUDE(KNOTS) 1.1 0.5 0.5 0.9 2.5 2.9 2.8 5.0 2.8 5.1 1.6 0.7 1.9 WIND STEADINESES (MEAN %) 36.7 15.2 16.1 32.1 49.0 72.5 59.6 84.7 56.0 67.1 41.0 21.2 44.2 WIND SPEED (MEAN KNOTS) 3.0 3.3 3.1 2.8 5.1 4.0 4.7 5.9 5.0 7.6 3.9 3.3 4.3 FASTEST WIND DIRECTION 360 270 270 310 270 270 310 270 50 270 310 270 270 FASTEST WIND SPEED (KNOTS) 30 24 37 13 30 30 18 30 24 37 37 18 37 DAY 25 7 12 20 20 26 24 4 13 8 9 6 DAYS WITH SKY CLEAR (0-2)/8 10 6 6 10 8 12 14 19 8 0 8 10 111 DAYS WITH P.CLOUDY (3-6)/8 10 6 9 13 13 10 14 8 9 7 9 10 118 DAYS WITH CLOUDY (7-8)/8 11 16 16 7 10 8 3 4 13 24 13 11 136 DAYS WITH VISIBILITY =< 2 KM 14 13 10 0 4 1 0 2 6 16 10 7 83 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BABOLSAR (40736) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 43 N LONGITUDE 52 39 E DATA PROCESSING CENTER ELEVATION -21.0 M MEANS AND EXTREMES FOR THE YEAR 1951 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1022.2 1025.3 1020.3 1018.1 1014.6 1012.9 1010.7 1012.1 1016.1 1018.7 1021.5 1022.2 1017.9 MAX. QFE PRESSURE IN HPA 1037.9 1036.9 1034.2 1027.4 1025.4 1022.4 1018.6 1016.3 1024.4 1031.2 1034.5 1033.5 1037.9 DAY-HOUR 30-15 7-15 3- 6 4- 6 29- 9 28- 3 24- 9 16- 3 26- 3 31- 6 1- 6 7- 6 MIN. QFE PRESSURE IN HPA 993.9 1014.6 1004.1 1005.8 1003.1 1001.7 1003.4 1002.8 1007.5 1003.7 1011.9 1003.4 993.9 DAY-HOUR 23-15 16- 3 12- 3 27- 6 24- 3 2-12 30-15 1- 3 11- 9 4- 9 13-12 14-12 MEAN QNH PRESSURE IN HPA 1019.3 1022.4 1017.5 1015.3 1011.7 1010.1 1007.9 1009.2 1013.3 1015.8 1018.7 1019.4 1015.1 MAX. QNH PRESSURE IN HPA 1035.0 1034.0 1031.3 1024.6 1022.6 1019.6 1015.8 1013.5 1021.6 1028.3 1031.6 1030.6 1035.0 DAY-HOUR 30-15 7-15 3- 6 4- 6 29- 9 28- 3 24- 9 16- 3 26- 3 31- 6 1- 6 7- 6 MIN. QNH PRESSURE IN HPA 991.1 1011.8 1001.3 1003.0 1000.3 998.9 1000.6 1000.0 1004.7 1000.9 1009.1 1000.6 991.1 DAY-HOUR 23-15 16- 3 12- 3 27- 6 24- 3 2-12 30-15 1- 3 11- 9 4- 9 13-12 14-12 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1022.6 1025.4 1020.3 1018.3 1014.6 1013.1 1011.1 1012.3 1016.7 1018.5 1021.9 1022.5 1018.1 MAX. QFE PRESSURE IN HPA 1037.3 1036.6 1033.9 1026.8 1024.0 1022.4 1018.6 1016.3 1024.4 1030.5 1033.9 1031.8 1037.3 DAY 31 8 3 4 30 28 25 16 26 31 1 7 MIN. QFE PRESSURE IN HPA 1001.0 1014.6 1004.1 1007.5 1003.1 1004.7 1004.1 1002.8 1008.5 1005.8 1014.6 1005.5 1001.0 DAY 23 16 12 27 24 2 30 1 11 4 27 14 MEAN QNH PRESSURE IN HPA 1019.8 1022.5 1017.5 1015.5 1011.8 1010.3 1008.3 1009.5 1013.9 1015.7 1019.1 1019.7 1015.3 MAX. QNH PRESSURE IN HPA 1034.4 1033.7 1031.0 1024.0 1021.2 1019.6 1015.8 1013.5 1021.6 1027.6 1031.0 1028.9 1034.4 DAY 31 8 3 4 30 28 25 16 26 31 1 7 MIN. QNH PRESSURE IN HPA 998.2 1011.8 1001.3 1004.7 1000.3 1001.9 1001.3 1000.0 1005.7 1003.0 1011.8 1002.7 998.2 DAY 23 16 12 27 24 2 30 1 11 4 27 14 MEAN QFF PRESSURE IN HPA 1019.9 1022.7 1017.7 1015.8 1012.1 1010.7 1008.7 1009.9 1014.3 1016.0 1019.3 1019.9 1015.6 MAX. QFF PRESSURE IN HPA 1034.6 1033.9 1031.3 1024.2 1021.5 1019.9 1016.2 1013.9 1021.9 1027.9 1031.3 1029.2 1034.6 DAY 31 8 3 4 30 28 25 16 26 31 1 7 MIN. QFF PRESSURE IN HPA 998.5 1012.0 1001.6 1005.0 1000.7 1002.3 1001.7 1000.4 1006.1 1003.4 1012.1 1003.0 998.5 DAY 23 16 12 27 24 2 30 1 11 4 27 14 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BABOLSAR (40736) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 43 N LONGITUDE 52 39 E DATA PROCESSING CENTER ELEVATION -21.0 M MEANS AND EXTREMES FOR THE YEAR 1951 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1023.1 1025.9 1020.8 1018.8 1015.0 1013.4 1011.4 1012.6 1016.7 1019.2 1022.4 1023.2 1018.5 MAX. QFE PRESSURE IN HPA 1037.3 1036.6 1034.2 1027.4 1025.1 1022.4 1018.0 1016.3 1023.7 1031.2 1034.5 1033.5 1037.3 DAY 31 8 3 4 29 28 24 16 26 31 1 7 MIN. QFE PRESSURE IN HPA 1000.4 1015.9 1004.4 1005.8 1006.8 1004.7 1005.1 1005.8 1008.1 1005.8 1014.9 1007.5 1000.4 DAY 23 16 12 27 24 2 23 1 11 4 27 14 MEAN QNH PRESSURE IN HPA 1020.3 1023.0 1018.0 1015.9 1012.2 1010.6 1008.5 1009.8 1013.9 1016.3 1019.5 1020.3 1015.7 MAX. QNH PRESSURE IN HPA 1034.4 1033.7 1031.3 1024.6 1022.3 1019.6 1015.2 1013.5 1020.9 1028.3 1031.6 1030.6 1034.4 DAY 31 8 3 4 29 28 24 16 26 31 1 7 MIN. QNH PRESSURE IN HPA 997.6 1013.1 1001.6 1003.0 1004.0 1001.9 1002.3 1003.0 1005.3 1003.0 1012.1 1004.7 997.6 DAY 23 16 12 27 24 2 23 1 11 4 27 14 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1022.0 1025.3 1020.4 1018.2 1014.9 1013.2 1011.1 1012.3 1016.2 1018.4 1021.1 1021.9 1017.9 MAX. QFE PRESSURE IN HPA 1036.2 1035.6 1033.5 1027.1 1025.4 1022.4 1018.6 1016.3 1023.4 1029.8 1033.5 1033.5 1036.2 DAY 30 8 3 4 29 28 24 16 26 31 1 7 MIN. QFE PRESSURE IN HPA 998.0 1015.9 1004.7 1007.1 1006.8 1003.7 1004.4 1006.1 1007.5 1003.7 1013.9 1004.4 998.0 DAY 23 16 12 27 19 2 30 1 11 4 13 14 MEAN QNH PRESSURE IN HPA 1019.2 1022.5 1017.6 1015.3 1012.1 1010.4 1008.3 1009.5 1013.3 1015.6 1018.3 1019.0 1015.1 MAX. QNH PRESSURE IN HPA 1033.3 1032.7 1030.6 1024.3 1022.6 1019.6 1015.8 1013.5 1020.6 1026.9 1030.6 1030.6 1033.3 DAY 30 8 3 4 29 28 24 16 26 31 1 7 MIN. QNH PRESSURE IN HPA 995.2 1013.1 1001.9 1004.3 1004.0 1000.9 1001.6 1003.3 1004.7 1000.9 1011.1 1001.6 995.2 DAY 23 16 12 27 19 2 30 1 11 4 13 14 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 1021.4 1024.9 1019.9 1017.7 1014.2 1012.5 1010.3 1011.7 1015.5 1018.3 1020.8 1021.7 1017.4 MAX. QFE PRESSURE IN HPA 1036.9 1035.6 1032.5 1026.4 1025.1 1022.0 1018.3 1015.6 1023.0 1030.5 1033.5 1032.2 1036.9 DAY 30 7 3 1 29 28 24 16 27 31 1 7 MIN. QFE PRESSURE IN HPA 996.3 1015.9 1006.4 1008.5 1004.7 1001.7 1003.7 1005.8 1007.5 1005.1 1011.9 1003.4 996.3 DAY 23 16 11 27 19 2 30 1 11 4 13 14 MEAN QNH PRESSURE IN HPA 1018.6 1022.0 1017.1 1014.9 1011.3 1009.7 1007.5 1008.9 1012.6 1015.5 1017.9 1018.9 1014.6 MAX. QNH PRESSURE IN HPA 1034.0 1032.7 1029.6 1023.6 1022.3 1019.2 1015.5 1012.8 1020.2 1027.6 1030.6 1029.3 1034.0 DAY 30 7 3 1 29 28 24 16 27 31 1 7 MIN. QNH PRESSURE IN HPA 993.5 1013.1 1003.6 1005.7 1001.9 998.9 1000.9 1003.0 1004.7 1002.3 1009.1 1000.6 993.5 DAY 23 16 11 27 19 2 30 1 11 4 13 14 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BABOLSAR (40736) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 43 N LONGITUDE 52 39 E DATA PROCESSING CENTER ELEVATION -21.0 M MEANS AND EXTREMES FOR THE YEAR 1951 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1021.8 1025.1 1020.3 1017.7 1014.2 1012.4 1009.7 1011.5 1015.5 1019.0 1021.4 1022.0 1017.5 MAX. QFE PRESSURE IN HPA 1037.9 1036.9 1032.5 1026.1 1025.1 1022.0 1018.0 1015.2 1023.7 1031.2 1033.5 1033.5 1037.9 DAY 30 7 2 4 29 27 24 16 27 31 1 31 MIN. QFE PRESSURE IN HPA 993.9 1015.9 1006.8 1009.1 1004.1 1003.7 1003.4 1005.8 1009.1 1006.4 1012.5 1003.4 993.9 DAY 23 16 11 25 23 1 30 1 10 4 13 14 MEAN QNH PRESSURE IN HPA 1018.9 1022.2 1017.4 1014.9 1011.4 1009.5 1006.9 1008.7 1012.7 1016.2 1018.5 1019.1 1014.7 MAX. QNH PRESSURE IN HPA 1035.0 1034.0 1029.6 1023.3 1022.3 1019.2 1015.2 1012.4 1020.9 1028.3 1030.6 1030.6 1035.0 DAY 30 7 2 4 29 27 24 16 27 31 1 31 MIN. QNH PRESSURE IN HPA 991.1 1013.1 1004.0 1006.3 1001.3 1000.9 1000.6 1003.0 1006.3 1003.6 1009.7 1000.6 991.1 DAY 23 16 11 25 23 1 30 1 10 4 13 14 MEAN QFF PRESSURE IN HPA 1019.1 1022.4 1017.7 1015.2 1011.7 1009.9 1007.3 1009.1 1013.1 1016.5 1018.8 1019.4 1015.0 MAX. QFF PRESSURE IN HPA 1035.2 1034.2 1029.9 1023.5 1022.6 1019.6 1015.6 1012.8 1021.2 1028.6 1030.9 1030.9 1035.2 DAY 30 7 2 4 29 27 24 16 27 31 1 31 MIN. QFF PRESSURE IN HPA 991.4 1013.3 1004.3 1006.6 1001.7 1001.3 1001.0 1003.4 1006.7 1004.0 1010.0 1000.9 991.4 DAY 23 16 11 25 23 1 30 1 10 4 30 14 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BABOLSAR (40736) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 43 N LONGITUDE 52 39 E DATA PROCESSING CENTER ELEVATION -21.0 M MEANS AND EXTREMES FOR THE YEAR 1952 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 8.6 9.6 10.3 12.9 18.2 22.6 26.1 26.9 23.8 20.6 12.3 8.6 16.7 MINIMUN AIR TEMPERATURE (C) 4.2 5.1 7.0 10.8 14.7 19.3 22.0 21.2 19.0 15.7 8.1 4.3 12.6 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 0 8 28 21 9 4 0 0 70 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 2 1 0 0 0 0 0 0 0 0 0 3 6 TEMPERATURE RECORDS LOWEST(C) 0.0 0.0 1.0 7.0 8.0 16.0 19.0 19.0 14.0 10.0 1.0 -1.0 -1.0 DAY 6 15 6 15 12 2 14 13 20 28 16 12 MAXIMUM AIR TEMPERATURE (C) 12.1 14.7 15.5 16.4 22.1 25.9 29.8 31.7 28.3 26.1 17.5 14.0 21.2 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 1 2 0 16 28 8 1 0 0 56 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 18.0 24.0 28.0 31.0 34.0 29.0 34.0 33.0 31.0 30.0 28.0 23.0 34.0 DAY 22 20 31 1 19 24 29 2 1 1 4 6 DIF. BETWEEN (MAX.-MIN.) (C) 7.9 9.6 8.5 5.6 7.4 6.6 7.8 10.5 9.3 10.4 9.4 9.7 8.6 MEAN DAILY TEMP. (MDT) (C) 8.1 9.9 11.3 13.6 18.4 22.6 25.9 26.5 23.6 20.9 12.8 9.1 16.9 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 1.5 16.0 52.0 152.0 169.5 81.0 25.5 0.0 0.0 497.5 HEATING DEG. DAYS(BASE 18 0C) 305.5 235.0 212.0 136.5 38.5 0.0 0.0 0.0 0.0 3.0 161.5 274.5 1366.5 DEWPOINT (MEAN C) 6.6 7.3 8.0 11.0 16.0 19.5 22.6 22.8 21.2 18.8 11.0 7.3 14.3 MIXING RATIO (G/KG) 6.03 6.39 6.76 8.18 11.55 14.38 17.44 17.63 15.95 13.67 8.52 6.40 11.08 VAPOUR PRESSURE (HPA) 9.82 10.33 10.92 13.23 18.48 22.87 27.58 27.91 25.46 21.94 13.81 10.45 17.73 SATURATION DEF. (HPA) 1.53 1.88 2.08 1.93 3.11 4.95 6.75 8.27 4.70 3.11 1.42 1.01 3.40 RELATIVE HUMIDITY (MEAN %) 88 87 87 89 88 84 82 80 87 90 93 93 87 RELATIVE HUMIDITY (MAX. %) 99 99 99 99 100 98 97 99 100 100 100 100 99 RELATIVE HUMIDITY (MIN. %) 75 72 70 76 73 69 67 61 71 72 76 75 71 RELATIVE HUMIDITY (MEAN% 03UTC) 99 99 96 96 95 93 93 93 97 99 99 100 97 RELATIVE HUMIDITY (MEAN% 09UTC) 81 77 75 81 78 73 71 65 73 75 79 78 76 RELATIVE HUMIDITY (MEAN% 15UTC) 90 85 82 86 82 76 74 69 80 88 92 93 83 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 47.6 75.5 109.0 70.2 31.0 24.3 29.5 50.0 34.0 24.1 76.1 70.5 641.8 DAYS WITH PRECIPITATION >=10 1 3 5 2 1 0 2 1 2 1 4 2 24 DAYS WITH PRECIPITATION >= 5 4 4 7 3 1 3 2 1 3 1 5 4 38 DAYS WITH PRECIPITATION >= 1 7 6 8 7 5 5 5 2 4 1 8 6 64 DAYS WITH PRECIPITATION 10 6 9 11 10 9 6 2 5 4 11 6 89 GREATEST DAILY PRECIPITATION 18.0 28.0 38.0 41.0 21.0 9.0 11.0 46.0 13.0 24.0 23.0 35.0 46.0 DAY 17 13 5 24 11 21 13 25 18 29 14 11 DAY WITH THUNDER STORM 0 0 0 0 2 4 1 1 1 2 0 0 11 DAYS WITH SNOW OR SLEET 0 0 1 0 0 0 0 0 0 0 0 1 2 DAYS WITH DUST 0 0 0 0 0 0 0 0 0 0 0 0 0 WIND DIRECTION (PREVAILING) 270 270 270 270 270 270 270 270 270 270 270 270 270 PREVAILING WIND SPEED(KNOTS) 3.1 6.7 5.7 4.3 3.4 3.8 2.8 2.2 2.6 2.4 2.5 2.8 3.4 PREVAILING WIND PERCENT 29.0 33.3 30.2 49.2 39.9 37.5 34.3 38.7 45.8 35.5 35.4 28.6 36.7 CALMS PERCENT OF WIND 9.0 11.5 9.7 5.0 9.3 10.4 13.7 7.3 6.7 10.9 7.5 6.5 8.9 NO. OF WIND OBSERVATION 155 174 248 240 248 240 248 248 240 248 240 248 2777 VECTOR WIND DIRECTION (MEAN) 312 295 308 282 290 291 284 280 292 306 292 300 292 VECTOR WIND MAGNITUDE(KNOTS) 0.9 2.0 1.4 2.3 1.7 1.9 1.7 1.6 1.7 1.1 1.3 0.7 1.5 WIND STEADINESES (MEAN %) 36.0 51.3 38.9 65.7 63.0 65.5 77.3 72.7 65.4 47.8 54.2 25.9 53.6 WIND SPEED (MEAN KNOTS) 2.5 3.9 3.6 3.5 2.7 2.9 2.2 2.2 2.6 2.3 2.4 2.7 2.8 FASTEST WIND DIRECTION 300 270 270 270 270 270 270 360 270 270 270 260 270 FASTEST WIND SPEED (KNOTS) 22 37 37 24 18 13 9 13 37 18 30 36 37 DAY 19 13 2 24 21 9 9 15 25 26 22 3 DAYS WITH SKY CLEAR (0-2)/8 7 7 2 3 10 12 15 26 15 19 10 11 137 DAYS WITH P.CLOUDY (3-6)/8 12 10 17 9 10 12 11 3 10 7 9 11 121 DAYS WITH CLOUDY (7-8)/8 12 12 12 18 11 6 5 2 5 5 11 9 108 DAYS WITH VISIBILITY =< 2 KM 4 12 11 10 3 1 2 1 5 0 2 3 54 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BABOLSAR (40736) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 43 N LONGITUDE 52 39 E DATA PROCESSING CENTER ELEVATION -21.0 M MEANS AND EXTREMES FOR THE YEAR 1952 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1022.0 1016.9 1015.9 1019.6 1014.7 1013.1 1011.6 1013.1 1019.0 1020.9 1025.2 1027.3 1018.3 MAX. QFE PRESSURE IN HPA 1033.2 1029.0 1026.1 1031.8 1032.8 1026.4 1019.0 1022.2 1030.0 1031.0 1041.4 1043.0 1043.0 DAY-HOUR 1- 3 5-15 14- 6 8- 6 11-18 2- 6 13-18 16- 3 18- 3 30-15 14- 6 11- 6 MIN. QFE PRESSURE IN HPA 1014.6 998.3 1002.7 1004.1 1004.4 1002.7 1003.9 1005.1 1007.3 1009.3 1007.6 1017.3 998.3 DAY-HOUR 22- 9 4- 3 1-18 1- 0 9-12 25-18 27-15 24-21 25- 0 6- 0 4- 0 27- 9 MEAN QNH PRESSURE IN HPA 1019.2 1014.1 1013.0 1016.8 1011.8 1010.3 1008.7 1010.2 1016.2 1018.1 1022.3 1024.4 1015.4 MAX. QNH PRESSURE IN HPA 1030.3 1026.1 1023.3 1028.9 1029.9 1023.6 1016.2 1019.4 1027.1 1028.1 1038.5 1040.1 1040.1 DAY-HOUR 1- 3 5-15 14- 6 8- 6 11-18 2- 6 13-18 16- 3 18- 3 30-15 14- 6 11- 6 MIN. QNH PRESSURE IN HPA 1011.8 995.5 999.9 1001.3 1001.6 999.9 1001.1 1002.3 1004.5 1006.5 1004.8 1014.5 995.5 DAY-HOUR 22- 9 4- 3 1-18 1- 0 9-12 25-18 27-15 24-21 25- 0 6- 0 4- 0 27- 9 MEAN QFF PRESSURE IN HPA ****** ****** 1013.3 1017.1 1012.2 1010.7 1009.2 1010.7 1016.6 1018.5 1022.6 1024.6 ****** MAX. QFF PRESSURE IN HPA ****** ****** 1023.5 1029.2 1030.2 1023.9 1016.5 1019.8 1027.5 1028.4 1038.7 1040.3 ****** DAY-HOUR **-** **-** 14- 9 8- 6 11-18 2- 6 13-18 16- 3 18- 6 30-15 14- 6 11- 6 MIN. QFF PRESSURE IN HPA ****** ****** 1000.2 1001.7 1001.9 1000.3 1001.5 1002.7 1004.9 1006.9 1005.1 1014.8 ****** DAY-HOUR **-** **-** 1-18 1- 0 9-15 25-18 27-15 24-21 25- 0 6- 0 4- 0 27- 9 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** 1015.3 1019.1 1014.4 1013.3 1011.2 1012.6 1018.7 1020.3 1024.7 1026.9 ****** MAX. QFE PRESSURE IN HPA ****** ****** 1025.7 1029.1 1031.8 1025.7 1019.0 1021.8 1027.9 1028.1 1041.2 1040.2 ****** DAY ** ** 14 9 12 2 14 16 18 3 17 12 MIN. QFE PRESSURE IN HPA ****** ****** 1002.7 1004.1 1006.1 1003.1 1004.7 1005.3 1007.3 1009.3 1007.6 1018.3 ****** DAY ** ** 22 1 18 25 9 25 25 6 4 27 MEAN QNH PRESSURE IN HPA ****** ****** 1012.5 1016.3 1011.6 1010.4 1008.4 1009.8 1015.8 1017.5 1021.9 1024.0 ****** MAX. QNH PRESSURE IN HPA ****** ****** 1022.9 1026.2 1028.9 1022.9 1016.2 1019.0 1025.0 1025.2 1038.3 1037.3 ****** DAY ** ** 14 9 12 2 14 16 18 3 17 12 MIN. QNH PRESSURE IN HPA ****** ****** 999.9 1001.3 1003.3 1000.3 1001.9 1002.5 1004.5 1006.5 1004.8 1015.5 ****** DAY ** ** 22 1 18 25 9 25 25 6 4 27 MEAN QFF PRESSURE IN HPA ****** ****** 1012.8 1016.6 1011.9 1010.8 1008.8 1010.2 1016.2 1017.8 1022.1 1024.3 ****** MAX. QFF PRESSURE IN HPA ****** ****** 1023.1 1026.5 1029.2 1023.2 1016.5 1019.4 1025.4 1025.6 1038.5 1037.5 ****** DAY ** ** 14 9 12 2 14 16 18 3 17 12 MIN. QFF PRESSURE IN HPA ****** ****** 1000.2 1001.7 1003.7 1000.7 1002.3 1002.9 1004.9 1006.9 1005.1 1015.7 ****** DAY ** ** 22 1 18 25 9 25 25 6 4 27 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1022.3 1017.1 1016.1 1020.0 1014.7 1013.6 1011.9 1013.5 1019.5 1021.2 1025.6 1028.0 1018.6 MAX. QFE PRESSURE IN HPA 1033.2 1026.8 1025.1 1030.1 1031.8 1026.1 1019.0 1022.2 1030.0 1028.4 1041.0 1039.6 1041.0 DAY 1 14 14 8 12 2 14 16 18 3 17 12 MIN. QFE PRESSURE IN HPA 1016.3 998.3 1004.1 1004.8 1005.8 1005.1 1005.2 1009.5 1009.2 1009.9 1008.0 1017.6 998.3 DAY 15 4 22 1 18 25 27 8 25 6 4 27 MEAN QNH PRESSURE IN HPA 1019.4 1014.3 1013.3 1017.1 1011.9 1010.8 1009.1 1010.7 1016.7 1018.3 1022.8 1025.1 1015.8 MAX. QNH PRESSURE IN HPA 1030.3 1024.0 1022.3 1027.2 1028.9 1023.3 1016.2 1019.4 1027.1 1025.5 1038.1 1036.7 1038.1 DAY 1 14 14 8 12 2 14 16 18 3 17 12 MIN. QNH PRESSURE IN HPA 1013.5 995.5 1001.3 1002.0 1003.0 1002.3 1002.4 1006.7 1006.4 1007.1 1005.2 1014.8 995.5 DAY 15 4 22 1 18 25 27 8 25 6 4 27 MEAN QFF PRESSURE IN HPA 1019.7 1014.6 1013.5 1017.4 1012.2 1011.2 1009.5 1011.1 1017.1 1018.7 1023.0 1025.4 1016.1 MAX. QFF PRESSURE IN HPA 1030.6 1024.2 1022.5 1027.5 1029.2 1023.6 1016.5 1019.8 1027.5 1025.9 1038.3 1036.9 1038.3 DAY 1 14 14 8 12 2 14 16 18 3 17 12 MIN. QFF PRESSURE IN HPA 1013.7 995.8 1001.6 1002.3 1003.4 1002.7 1002.8 1007.1 1006.8 1007.4 1005.5 1015.0 995.8 DAY 22 4 22 1 18 25 27 8 25 6 4 27 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BABOLSAR (40736) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 43 N LONGITUDE 52 39 E DATA PROCESSING CENTER ELEVATION -21.0 M MEANS AND EXTREMES FOR THE YEAR 1952 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1023.0 1017.9 1016.8 1020.4 1015.1 1013.8 1012.2 1014.0 1020.0 1022.0 1026.1 1028.5 1019.1 MAX. QFE PRESSURE IN HPA 1031.8 1028.1 1026.1 1031.8 1031.8 1026.4 1019.0 1022.1 1030.0 1030.0 1041.4 1043.0 1043.0 DAY 1 14 14 8 12 2 14 26 18 3 14 11 MIN. QFE PRESSURE IN HPA 1016.3 1001.0 1005.4 1006.1 1004.7 1005.1 1005.7 1009.6 1010.6 1011.6 1009.6 1017.8 1001.0 DAY 22 4 22 1 18 25 27 8 25 6 4 27 MEAN QNH PRESSURE IN HPA 1020.2 1015.1 1013.9 1017.5 1012.3 1011.0 1009.4 1011.1 1017.1 1019.2 1023.3 1025.6 1016.3 MAX. QNH PRESSURE IN HPA 1028.9 1025.2 1023.3 1028.9 1028.9 1023.6 1016.2 1019.3 1027.1 1027.1 1038.5 1040.1 1040.1 DAY 1 14 14 8 12 2 14 26 18 3 14 11 MIN. QNH PRESSURE IN HPA 1013.5 998.2 1002.6 1003.3 1001.9 1002.3 1002.9 1006.8 1007.8 1008.8 1006.8 1015.0 998.2 DAY 22 4 22 1 18 25 27 8 25 6 4 27 MEAN QFF PRESSURE IN HPA ****** ****** 1014.2 1017.8 1012.6 1011.4 1009.8 1011.6 1017.5 1019.5 1023.5 1025.9 ****** MAX. QFF PRESSURE IN HPA ****** ****** 1023.5 1029.2 1029.2 1023.9 1016.5 1019.7 1027.5 1027.5 1038.7 1040.3 ****** DAY ** ** 14 8 12 2 14 26 18 3 14 11 MIN. QFF PRESSURE IN HPA ****** ****** 1002.9 1003.7 1002.3 1002.7 1003.3 1007.2 1008.2 1009.2 1007.1 1015.2 ****** DAY ** ** 22 1 18 25 27 8 25 6 4 27 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1021.8 1017.0 1016.5 1019.7 1015.1 1013.6 1011.9 1013.6 1019.3 1021.1 1025.0 1027.1 1018.5 MAX. QFE PRESSURE IN HPA 1031.5 1027.8 1026.1 1030.8 1030.1 1025.7 1018.3 1021.3 1028.8 1029.9 1040.9 1043.0 1043.0 DAY 17 14 14 8 12 2 14 16 18 30 14 11 MIN. QFE PRESSURE IN HPA 1014.6 1000.4 1006.1 1006.8 1004.7 1005.4 1006.1 1008.1 1010.4 1011.5 1010.2 1017.3 1000.4 DAY 22 4 22 1 18 25 27 24 15 6 4 27 MEAN QNH PRESSURE IN HPA 1018.9 1014.1 1013.7 1016.8 1012.3 1010.8 1009.1 1010.8 1016.5 1018.3 1022.2 1024.3 1015.7 MAX. QNH PRESSURE IN HPA 1028.6 1024.9 1023.3 1027.9 1027.2 1022.9 1015.5 1018.5 1025.9 1027.0 1038.0 1040.1 1040.1 DAY 17 14 14 8 12 2 14 16 18 30 14 11 MIN. QNH PRESSURE IN HPA 1011.8 997.6 1003.3 1004.0 1001.9 1002.6 1003.3 1005.3 1007.6 1008.7 1007.4 1014.5 997.6 DAY 22 4 22 1 18 25 27 24 15 6 4 27 MEAN QFF PRESSURE IN HPA ****** ****** 1013.9 1017.1 1012.7 1011.2 1009.5 1011.3 1016.9 1018.7 1022.4 1024.5 ****** MAX. QFF PRESSURE IN HPA ****** ****** 1023.5 1028.2 1027.5 1023.2 1015.8 1018.9 1026.3 1027.4 1038.2 1040.3 ****** DAY ** ** 14 8 12 3 14 16 18 30 14 11 MIN. QFF PRESSURE IN HPA ****** ****** 1003.6 1004.4 1002.3 1003.0 1003.7 1005.7 1008.0 1009.1 1007.7 1014.8 ****** DAY ** ** 22 1 18 25 27 24 15 6 4 27 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 1021.4 1016.3 1015.6 1019.1 1014.5 1012.8 1011.4 1012.8 1018.6 1020.7 1024.7 1026.4 1017.8 MAX. QFE PRESSURE IN HPA 1030.8 1027.1 1024.4 1030.8 1030.1 1024.7 1017.3 1020.0 1026.9 1030.4 1040.3 1042.5 1042.5 DAY 17 14 14 8 11 2 14 15 18 30 14 11 MIN. QFE PRESSURE IN HPA 1014.6 1000.4 1005.4 1006.1 1004.4 1004.4 1005.4 1006.7 1009.8 1011.3 1010.1 1017.4 1000.4 DAY 22 4 1 1 9 24 27 24 15 28 4 27 MEAN QNH PRESSURE IN HPA 1018.5 1013.5 1012.7 1016.3 1011.7 1009.9 1008.6 1009.9 1015.7 1017.8 1021.8 1023.6 1015.0 MAX. QNH PRESSURE IN HPA 1027.9 1024.3 1021.6 1027.9 1027.2 1021.9 1014.5 1017.2 1024.1 1027.5 1037.4 1039.6 1039.6 DAY 17 14 14 8 11 2 14 15 18 30 14 11 MIN. QNH PRESSURE IN HPA 1011.8 997.6 1002.6 1003.3 1001.6 1001.6 1002.6 1003.9 1007.0 1008.5 1007.3 1014.6 997.6 DAY 22 4 1 1 9 24 27 24 15 28 4 27 MEAN QFF PRESSURE IN HPA ****** ****** 1013.0 1016.6 1012.0 1010.3 1009.0 1010.4 1016.1 1018.2 1022.1 1023.8 ****** MAX. QFF PRESSURE IN HPA ****** ****** 1021.8 1028.2 1027.5 1022.2 1014.9 1017.6 1024.4 1027.9 1037.6 1039.8 ****** DAY ** ** 14 8 11 3 14 15 18 30 14 11 MIN. QFF PRESSURE IN HPA ****** ****** 1002.9 1003.6 1002.0 1002.0 1003.0 1004.3 1007.4 1008.8 1007.7 1014.8 ****** DAY ** ** 1 1 9 24 27 24 15 28 4 27 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BABOLSAR (40736) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 43 N LONGITUDE 52 39 E DATA PROCESSING CENTER ELEVATION -21.0 M MEANS AND EXTREMES FOR THE YEAR 1952 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1021.8 1017.1 1015.7 1019.1 1014.3 1012.3 1011.1 1012.5 1018.3 1020.8 1025.3 1027.0 1017.9 MAX. QFE PRESSURE IN HPA 1031.8 1029.0 1024.0 1029.5 1030.8 1025.4 1017.6 1021.2 1026.3 1031.0 1041.3 1042.2 1042.2 DAY 17 5 14 8 11 1 13 15 18 30 14 11 MIN. QFE PRESSURE IN HPA 1015.2 1003.1 1004.7 1010.1 1004.4 1003.7 1003.9 1006.0 1010.5 1011.5 1011.2 1018.3 1003.1 DAY 22 3 1 10 9 5 27 24 24 28 3 10 MEAN QNH PRESSURE IN HPA 1019.0 1014.2 1012.8 1016.3 1011.5 1009.5 1008.3 1009.7 1015.5 1018.0 1022.5 1024.1 1015.1 MAX. QNH PRESSURE IN HPA 1028.9 1026.1 1021.2 1026.6 1027.9 1022.6 1014.8 1018.4 1023.5 1028.1 1038.4 1039.3 1039.3 DAY 17 5 14 8 11 1 13 15 18 30 14 11 MIN. QNH PRESSURE IN HPA 1012.4 1000.3 1001.9 1007.3 1001.6 1000.9 1001.1 1003.2 1007.7 1008.7 1008.4 1015.5 1000.3 DAY 22 3 1 10 9 5 27 24 24 28 3 10 MEAN QFF PRESSURE IN HPA 1019.2 1014.5 1013.1 1016.6 1011.8 1009.9 1008.7 1010.1 1015.9 1018.3 1022.8 1024.4 1015.4 MAX. QFF PRESSURE IN HPA 1029.2 1026.4 1021.4 1026.9 1028.2 1022.9 1015.1 1018.8 1023.8 1028.4 1038.6 1039.5 1039.5 DAY 17 5 14 8 11 1 13 15 18 30 14 11 MIN. QFF PRESSURE IN HPA 1012.6 1000.5 1002.2 1007.6 1001.9 1001.3 1001.5 1003.6 1008.1 1009.0 1008.7 1015.7 1000.5 DAY 22 3 1 10 9 5 27 24 24 28 4 27 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** 1015.8 1019.9 1014.7 1012.8 1011.5 1012.8 1019.0 1021.0 1025.3 1027.2 ****** MAX. QFE PRESSURE IN HPA ****** ****** 1023.7 1028.8 1032.8 1026.1 1019.0 1021.4 1026.4 1030.3 1041.1 1041.7 ****** DAY ** ** 13 8 11 1 13 15 18 30 14 11 MIN. QFE PRESSURE IN HPA ****** ****** 1002.7 1009.8 1004.7 1002.7 1004.4 1005.5 1009.1 1011.5 1009.3 1019.0 ****** DAY ** ** 1 10 18 25 27 24 24 5 3 27 MEAN QNH PRESSURE IN HPA ****** ****** 1013.0 1017.1 1011.8 1010.0 1008.7 1010.0 1016.1 1018.2 1022.4 1024.3 ****** MAX. QNH PRESSURE IN HPA ****** ****** 1020.9 1025.9 1029.9 1023.3 1016.2 1018.6 1023.6 1027.4 1038.2 1038.8 ****** DAY ** ** 13 8 11 1 13 15 18 30 14 11 MIN. QNH PRESSURE IN HPA ****** ****** 999.9 1007.0 1001.9 999.9 1001.6 1002.7 1006.3 1008.7 1006.5 1016.2 ****** DAY ** ** 1 10 18 25 27 24 24 5 3 27 MEAN QFF PRESSURE IN HPA ****** ****** 1013.3 1017.4 1012.2 1010.3 1009.1 1010.4 1016.5 1018.5 1022.7 1024.6 ****** MAX. QFF PRESSURE IN HPA ****** ****** 1021.1 1026.2 1030.2 1023.6 1016.5 1019.0 1023.9 1027.7 1038.4 1039.0 ****** DAY ** ** 13 8 11 2 13 15 18 30 16 11 MIN. QFF PRESSURE IN HPA ****** ****** 1000.2 1007.3 1002.3 1000.3 1002.0 1003.1 1006.7 1009.1 1006.8 1016.4 ****** DAY ** ** 1 10 18 25 27 24 24 5 3 27 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** 1015.4 1019.7 1014.7 1012.8 1011.4 1012.8 1018.9 1020.6 1025.0 1027.1 ****** MAX. QFE PRESSURE IN HPA ****** ****** 1023.7 1028.1 1032.5 1026.1 1019.0 1022.0 1027.3 1028.8 1041.0 1041.0 ****** DAY ** ** 13 8 11 2 13 15 17 30 16 11 MIN. QFE PRESSURE IN HPA ****** ****** 1004.1 1011.9 1005.4 1003.7 1004.4 1005.1 1007.8 1010.5 1008.6 1017.6 ****** DAY ** ** 21 19 18 25 27 24 24 5 3 9 MEAN QNH PRESSURE IN HPA ****** ****** 1012.6 1016.9 1011.8 1009.9 1008.5 1010.0 1016.1 1017.8 1022.1 1024.2 ****** MAX. QNH PRESSURE IN HPA ****** ****** 1020.9 1025.2 1029.6 1023.3 1016.2 1019.2 1024.5 1025.9 1038.1 1038.1 ****** DAY ** ** 13 8 11 2 13 15 17 30 16 11 MIN. QNH PRESSURE IN HPA ****** ****** 1001.3 1009.1 1002.6 1000.9 1001.6 1002.3 1005.0 1007.7 1005.8 1014.8 ****** DAY ** ** 21 19 18 25 27 24 24 5 3 9 MEAN QFF PRESSURE IN HPA ****** ****** 1012.8 1017.2 1012.2 1010.3 1009.0 1010.4 1016.5 1018.1 1022.4 1024.5 ****** MAX. QFF PRESSURE IN HPA ****** ****** 1021.1 1025.5 1029.9 1023.6 1016.5 1019.6 1024.8 1026.2 1038.3 1038.3 ****** DAY ** ** 13 8 11 2 13 15 17 30 16 11 MIN. QFF PRESSURE IN HPA ****** ****** 1001.6 1009.4 1003.0 1001.3 1002.0 1002.7 1005.4 1008.1 1006.1 1015.0 ****** DAY ** ** 21 19 18 25 27 24 24 5 3 9 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BABOLSAR (40736) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 43 N LONGITUDE 52 39 E DATA PROCESSING CENTER ELEVATION -21.0 M MEANS AND EXTREMES FOR THE YEAR 1953 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 8.5 9.8 9.3 13.5 19.0 24.2 26.2 27.3 22.7 17.0 10.8 5.6 16.2 MINIMUN AIR TEMPERATURE (C) 4.5 5.2 5.8 10.8 15.2 19.6 22.7 23.2 19.3 13.4 8.2 2.6 12.6 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 0 14 30 31 12 0 0 0 87 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 5 5 TEMPERATURE RECORDS LOWEST(C) 1.0 2.0 1.0 8.0 12.0 15.0 20.0 21.0 14.0 3.0 3.0 -2.0 -2.0 DAY 3 8 10 1 5 2 4 4 26 27 7 25 MAXIMUM AIR TEMPERATURE (C) 13.4 14.4 13.0 16.1 22.8 28.2 29.8 31.4 26.4 21.1 14.4 9.6 20.1 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 0 0 10 19 28 4 0 0 0 61 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 23.0 18.0 26.0 21.0 29.0 31.0 33.0 34.0 32.0 26.0 20.0 13.0 34.0 DAY 5 5 12 23 11 21 9 27 1 7 17 2 DIF. BETWEEN (MAX.-MIN.) (C) 8.9 9.2 7.2 5.3 7.6 8.6 7.1 8.2 7.1 7.7 6.2 7.0 7.5 MEAN DAILY TEMP. (MDT) (C) 8.9 9.8 9.4 13.5 19.0 23.9 26.3 27.3 22.9 17.3 11.3 6.1 16.3 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 0.0 5.0 90.5 163.0 195.5 66.5 1.5 0.0 0.0 522.0 HEATING DEG. DAYS(BASE 18 0C) 281.0 230.0 266.0 136.0 15.0 0.0 0.0 0.0 0.0 55.5 200.5 368.0 1552.0 DEWPOINT (MEAN C) 7.3 7.9 7.0 11.7 16.4 21.2 23.4 24.1 20.3 14.0 8.3 3.3 13.7 MIXING RATIO (G/KG) 6.37 6.65 6.25 8.59 11.69 16.04 18.25 19.03 15.11 10.21 6.88 4.76 10.82 VAPOUR PRESSURE (HPA) 10.34 10.75 10.16 13.90 18.74 25.43 28.86 30.07 24.12 16.51 11.20 7.81 17.32 SATURATION DEF. (HPA) 1.02 1.65 1.84 1.70 3.62 5.41 5.62 6.67 4.05 3.61 2.04 1.45 3.22 RELATIVE HUMIDITY (MEAN %) 93 89 87 90 86 85 85 84 88 84 86 86 87 RELATIVE HUMIDITY (MAX. %) 100 100 100 99 99 99 99 98 99 97 97 98 99 RELATIVE HUMIDITY (MIN. %) 76 71 68 76 69 67 69 66 73 66 71 66 70 RELATIVE HUMIDITY (MEAN% 03UTC) 100 98 96 97 95 94 95 95 95 94 94 95 96 RELATIVE HUMIDITY (MEAN% 09UTC) 82 74 75 81 74 71 73 69 76 68 72 72 74 RELATIVE HUMIDITY (MEAN% 15UTC) 93 87 82 86 82 77 80 78 82 80 85 84 83 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 56.4 19.0 125.3 40.1 44.3 5.0 63.5 5.5 204.0 132.0 124.5 118.0 937.6 DAYS WITH PRECIPITATION >=10 3 1 4 1 1 0 3 0 7 3 3 4 30 DAYS WITH PRECIPITATION >= 5 3 1 8 3 3 0 5 0 8 4 5 7 47 DAYS WITH PRECIPITATION >= 1 7 2 10 5 7 2 7 3 11 7 13 12 86 DAYS WITH PRECIPITATION 11 3 12 11 10 3 7 8 14 11 15 14 119 GREATEST DAILY PRECIPITATION 17.0 18.0 34.0 22.0 24.0 4.0 18.0 3.0 60.0 79.0 41.0 30.0 79.0 DAY 18 12 24 11 27 9 25 16 18 24 27 9 DAY WITH THUNDER STORM 1 0 0 0 2 0 4 2 3 0 1 0 13 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 0 0 0 0 0 0 1 0 0 0 0 0 1 WIND DIRECTION (PREVAILING) 270 270 270 270 270 270 270 270 270 270 270 270 270 PREVAILING WIND SPEED(KNOTS) 2.7 3.3 4.0 3.4 3.8 4.0 3.6 3.0 3.5 2.3 3.5 3.4 3.4 PREVAILING WIND PERCENT 31.9 31.3 29.0 34.6 32.3 45.4 47.6 51.2 36.7 27.0 31.3 39.5 36.5 CALMS PERCENT OF WIND 3.2 3.1 1.6 2.1 1.6 0.8 2.8 3.2 5.0 3.2 2.1 3.2 2.7 NO. OF WIND OBSERVATION 248 224 248 240 248 240 248 248 240 248 240 248 2920 VECTOR WIND DIRECTION (MEAN) 307 306 343 307 301 276 277 280 285 339 301 268 292 VECTOR WIND MAGNITUDE(KNOTS) 0.7 1.1 1.5 1.5 2.1 2.9 2.8 2.4 2.5 0.7 1.1 1.7 1.6 WIND STEADINESES (MEAN %) 23.3 35.5 34.9 45.5 52.5 76.3 77.8 77.4 67.6 21.9 31.4 53.1 45.7 WIND SPEED (MEAN KNOTS) 3.0 3.1 4.3 3.3 4.0 3.8 3.6 3.1 3.7 3.2 3.5 3.2 3.5 FASTEST WIND DIRECTION 270 230 50 270 130 270 50 50 270 50 300 270 270 FASTEST WIND SPEED (KNOTS) 12 16 18 18 37 12 13 28 44 18 20 18 44 DAY 17 1 15 20 7 8 24 16 3 18 1 16 DAYS WITH SKY CLEAR (0-2)/8 9 10 8 3 8 24 10 13 10 10 3 10 118 DAYS WITH P.CLOUDY (3-6)/8 12 10 12 8 17 6 12 17 8 14 11 10 137 DAYS WITH CLOUDY (7-8)/8 10 8 11 19 6 0 9 1 12 7 16 11 110 DAYS WITH VISIBILITY =< 2 KM 4 4 1 3 5 0 0 1 2 0 0 0 20 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BABOLSAR (40736) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 43 N LONGITUDE 52 39 E DATA PROCESSING CENTER ELEVATION -21.0 M MEANS AND EXTREMES FOR THE YEAR 1953 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1021.6 1017.7 1021.8 1021.3 1016.7 1012.6 1013.1 1013.2 1018.3 1024.4 1026.2 1028.9 1019.6 MAX. QFE PRESSURE IN HPA 1033.9 1029.4 1037.3 1035.0 1024.6 1023.9 1023.0 1020.9 1030.7 1044.0 1040.7 1039.5 1044.0 DAY-HOUR 18- 6 15- 6 9- 6 1- 3 4-18 5- 6 20- 6 31- 6 30-21 26- 6 9- 6 9-15 MIN. QFE PRESSURE IN HPA 1005.6 1002.5 998.4 1005.0 1003.5 1001.8 1004.9 1005.0 1005.2 1010.7 1009.8 1014.4 998.4 DAY-HOUR 11-12 19-15 12-21 20-15 7-18 29-15 15- 0 26-18 9-15 6-21 19-18 31-21 MEAN QNH PRESSURE IN HPA 1018.8 1014.9 1018.9 1018.5 1013.9 1009.7 1010.3 1010.3 1015.4 1021.5 1023.4 1026.0 1016.8 MAX. QNH PRESSURE IN HPA 1031.0 1026.5 1034.4 1032.1 1021.8 1021.1 1020.2 1018.1 1027.8 1041.1 1037.8 1036.6 1041.1 DAY-HOUR 18- 6 15- 6 9- 6 1- 3 4-18 5- 6 20- 6 31- 6 30-21 26- 6 9- 6 9-15 MIN. QNH PRESSURE IN HPA 1002.8 999.7 995.6 1002.2 1000.7 999.0 1002.1 1002.2 1002.4 1007.9 1007.0 1011.6 995.6 DAY-HOUR 11-12 19-15 12-21 20-15 7-18 29-15 15- 0 26-18 9-15 6-21 19-18 31-21 MEAN QFF PRESSURE IN HPA 1019.0 1015.2 1019.2 1018.8 1014.2 1010.1 1010.7 1010.8 1015.8 1021.8 1023.6 1026.3 1017.1 MAX. QFF PRESSURE IN HPA 1031.3 1026.8 1034.6 1032.4 1022.0 1021.4 1020.6 1018.5 1028.2 1041.4 1038.1 1036.8 1041.4 DAY-HOUR 18- 6 15- 6 9- 6 1- 3 4-18 5- 6 20- 6 31- 6 30-21 26- 6 9- 6 9-15 MIN. QFF PRESSURE IN HPA 1003.1 1000.0 996.0 1002.5 1001.1 999.4 1002.5 1002.6 1002.8 1008.2 1007.2 1011.8 996.0 DAY-HOUR 11-12 19-15 12-21 20-15 7-18 29-15 15- 0 26-18 9-15 6-21 23- 3 31-21 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 1021.4 1017.5 1020.8 1021.3 1016.2 1012.0 1012.7 1012.9 1017.9 1024.3 1025.8 1028.7 1019.3 MAX. QFE PRESSURE IN HPA 1031.2 1028.2 1035.3 1032.2 1024.1 1021.2 1021.4 1019.6 1027.4 1040.0 1039.7 1036.1 1040.0 DAY 19 13 28 2 28 5 20 31 21 26 28 9 MIN. QFE PRESSURE IN HPA 1008.7 1007.8 999.0 1009.5 1004.9 1005.1 1004.9 1007.8 1007.7 1011.3 1010.5 1016.3 999.0 DAY 31 23 13 21 8 29 15 26 8 7 23 25 MEAN QNH PRESSURE IN HPA 1018.6 1014.7 1017.9 1018.4 1013.4 1009.2 1009.9 1010.0 1015.1 1021.5 1022.9 1025.9 1016.5 MAX. QNH PRESSURE IN HPA 1028.3 1025.3 1032.4 1029.3 1021.3 1018.4 1018.6 1016.8 1024.6 1037.1 1036.8 1033.2 1037.1 DAY 19 13 28 2 28 5 20 31 21 26 28 9 MIN. QNH PRESSURE IN HPA 1005.9 1005.0 996.2 1006.7 1002.1 1002.3 1002.1 1005.0 1004.9 1008.5 1007.7 1013.5 996.2 DAY 31 23 13 21 8 29 15 26 8 7 23 25 MEAN QFF PRESSURE IN HPA 1018.8 1015.0 1018.2 1018.7 1013.8 1009.6 1010.3 1010.5 1015.5 1021.8 1023.2 1026.1 1016.8 MAX. QFF PRESSURE IN HPA 1028.6 1025.6 1032.7 1029.6 1021.6 1018.7 1019.0 1017.2 1024.9 1037.4 1037.0 1033.5 1037.4 DAY 19 16 28 2 28 5 20 31 21 26 28 9 MIN. QFF PRESSURE IN HPA 1006.2 1005.3 996.5 1007.0 1002.5 1002.7 1002.5 1005.4 1005.3 1008.8 1007.9 1013.7 996.5 DAY 31 23 13 21 8 29 15 26 8 7 23 25 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1021.8 1018.1 1021.6 1021.6 1016.8 1013.0 1013.5 1013.6 1018.5 1024.5 1026.2 1029.3 1019.9 MAX. QFE PRESSURE IN HPA 1032.9 1028.5 1035.2 1035.0 1023.1 1022.9 1022.0 1020.4 1028.3 1042.9 1040.2 1038.9 1042.9 DAY 18 15 18 1 5 5 20 31 5 26 28 10 MIN. QFE PRESSURE IN HPA 1009.0 1004.4 999.5 1007.8 1006.8 1004.6 1005.5 1008.2 1008.8 1011.5 1009.8 1016.0 999.5 DAY 23 24 13 21 7 29 15 27 8 7 23 25 MEAN QNH PRESSURE IN HPA 1018.9 1015.3 1018.8 1018.7 1014.0 1010.2 1010.7 1010.8 1015.7 1021.7 1023.4 1026.4 1017.0 MAX. QNH PRESSURE IN HPA 1030.0 1025.6 1032.3 1032.1 1020.3 1020.1 1019.2 1017.6 1025.4 1040.0 1037.3 1036.0 1040.0 DAY 18 15 18 1 5 5 20 31 5 26 28 10 MIN. QNH PRESSURE IN HPA 1006.2 1001.6 996.7 1005.0 1004.0 1001.8 1002.7 1005.4 1006.0 1008.7 1007.0 1013.2 996.7 DAY 23 24 13 21 7 29 15 27 8 7 23 25 MEAN QFF PRESSURE IN HPA 1019.2 1015.6 1019.0 1019.0 1014.4 1010.6 1011.1 1011.2 1016.1 1022.0 1023.6 1026.7 1017.4 MAX. QFF PRESSURE IN HPA 1030.3 1025.9 1032.6 1032.4 1020.5 1020.4 1019.6 1018.0 1025.8 1040.3 1037.5 1036.2 1040.3 DAY 18 15 18 1 5 5 20 31 5 26 28 10 MIN. QFF PRESSURE IN HPA 1006.5 1001.9 997.0 1005.3 1004.3 1002.2 1003.1 1005.8 1006.4 1009.0 1007.2 1013.4 997.0 DAY 23 24 13 21 7 29 15 27 8 7 23 25 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BABOLSAR (40736) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 43 N LONGITUDE 52 39 E DATA PROCESSING CENTER ELEVATION -21.0 M MEANS AND EXTREMES FOR THE YEAR 1953 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1022.6 1018.8 1022.6 1022.1 1017.4 1013.3 1014.0 1014.0 1019.3 1025.3 1027.0 1030.1 1020.5 MAX. QFE PRESSURE IN HPA 1033.9 1029.4 1037.3 1033.6 1023.5 1023.9 1023.0 1020.9 1028.4 1044.0 1040.7 1039.3 1044.0 DAY 18 15 9 1 5 5 20 31 5 26 9 10 MIN. QFE PRESSURE IN HPA 1009.2 1007.2 1001.8 1008.8 1005.7 1004.1 1006.4 1008.8 1010.5 1013.7 1009.9 1017.4 1001.8 DAY 30 10 13 20 7 29 15 24 2 7 23 25 MEAN QNH PRESSURE IN HPA 1019.7 1015.9 1019.7 1019.3 1014.6 1010.5 1011.2 1011.2 1016.4 1022.4 1024.1 1027.2 1017.7 MAX. QNH PRESSURE IN HPA 1031.0 1026.5 1034.4 1030.7 1020.7 1021.1 1020.2 1018.1 1025.5 1041.1 1037.8 1036.4 1041.1 DAY 18 15 9 1 5 5 20 31 5 26 9 10 MIN. QNH PRESSURE IN HPA 1006.4 1004.4 999.0 1006.0 1002.9 1001.3 1003.6 1006.0 1007.7 1010.9 1007.1 1014.6 999.0 DAY 30 10 13 20 7 29 15 24 2 7 23 25 MEAN QFF PRESSURE IN HPA 1020.0 1016.2 1020.0 1019.6 1014.9 1010.9 1011.6 1011.6 1016.8 1022.8 1024.4 1027.4 1018.0 MAX. QFF PRESSURE IN HPA 1031.3 1026.8 1034.6 1031.0 1020.9 1021.4 1020.6 1018.5 1025.9 1041.4 1038.1 1036.6 1041.4 DAY 18 15 9 1 5 5 20 31 5 26 9 10 MIN. QFF PRESSURE IN HPA 1006.6 1004.7 999.3 1006.3 1003.2 1001.7 1004.1 1006.4 1008.1 1011.2 1007.3 1014.7 999.3 DAY 30 10 13 20 7 29 15 24 2 7 23 25 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1021.5 1017.9 1022.3 1021.8 1017.2 1012.9 1013.3 1013.6 1018.5 1024.3 1026.0 1029.0 1019.9 MAX. QFE PRESSURE IN HPA 1033.9 1029.2 1036.9 1033.0 1023.2 1023.7 1022.1 1020.3 1026.8 1042.9 1039.6 1038.6 1042.9 DAY 28 15 27 1 4 5 20 31 20 26 9 9 MIN. QFE PRESSURE IN HPA 1005.8 1005.3 1002.1 1009.6 1004.9 1003.4 1007.2 1008.2 1009.4 1013.0 1010.8 1016.1 1002.1 DAY 11 19 12 20 7 29 15 26 14 3 23 25 MEAN QNH PRESSURE IN HPA 1018.7 1015.0 1019.5 1019.0 1014.4 1010.1 1010.5 1010.8 1015.6 1021.5 1023.2 1026.1 1017.0 MAX. QNH PRESSURE IN HPA 1031.0 1026.3 1034.0 1030.1 1020.4 1020.9 1019.3 1017.5 1024.0 1040.0 1036.7 1035.7 1040.0 DAY 28 15 27 1 4 5 20 31 20 26 9 9 MIN. QNH PRESSURE IN HPA 1003.0 1002.5 999.3 1006.8 1002.1 1000.6 1004.4 1005.4 1006.6 1010.2 1008.0 1013.3 999.3 DAY 11 19 12 20 7 29 15 26 14 3 23 25 MEAN QFF PRESSURE IN HPA 1018.9 1015.3 1019.7 1019.3 1014.7 1010.5 1010.9 1011.2 1016.0 1021.8 1023.5 1026.3 1017.4 MAX. QFF PRESSURE IN HPA 1031.3 1026.6 1034.3 1030.4 1020.7 1021.2 1019.7 1017.9 1024.3 1040.3 1037.0 1035.9 1040.3 DAY 28 15 27 1 4 5 20 31 20 26 9 9 MIN. QFF PRESSURE IN HPA 1003.3 1002.8 999.6 1007.1 1002.4 1001.0 1004.9 1005.8 1007.0 1010.5 1008.3 1013.5 999.6 DAY 11 19 12 20 7 29 15 26 14 3 23 25 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 1021.0 1017.2 1021.5 1021.1 1016.5 1012.4 1012.6 1012.8 1017.7 1023.9 1026.0 1028.4 1019.2 MAX. QFE PRESSURE IN HPA 1033.4 1028.6 1036.7 1032.6 1024.1 1023.1 1020.3 1019.4 1027.0 1041.5 1039.0 1038.9 1041.5 DAY 28 15 27 1 4 5 19 31 20 26 9 9 MIN. QFE PRESSURE IN HPA 1005.6 1003.8 999.7 1006.9 1004.1 1002.1 1006.4 1006.7 1007.1 1013.0 1011.2 1016.5 999.7 DAY 11 10 12 20 7 29 7 26 9 3 19 25 MEAN QNH PRESSURE IN HPA 1018.2 1014.3 1018.6 1018.2 1013.7 1009.6 1009.8 1010.0 1014.8 1021.1 1023.1 1025.5 1016.4 MAX. QNH PRESSURE IN HPA 1030.5 1025.7 1033.8 1029.7 1021.3 1020.3 1017.5 1016.6 1024.2 1038.6 1036.1 1036.0 1038.6 DAY 28 15 27 1 4 5 19 31 20 26 9 9 MIN. QNH PRESSURE IN HPA 1002.8 1001.0 996.9 1004.1 1001.3 999.3 1003.6 1003.9 1004.3 1010.2 1008.4 1013.7 996.9 DAY 11 10 12 20 7 29 7 26 9 3 19 25 MEAN QFF PRESSURE IN HPA 1018.4 1014.6 1018.9 1018.5 1014.0 1010.0 1010.2 1010.4 1015.2 1021.4 1023.4 1025.7 1016.7 MAX. QFF PRESSURE IN HPA 1030.8 1026.0 1034.1 1030.0 1021.5 1020.6 1017.9 1017.0 1024.5 1038.9 1036.4 1036.2 1038.9 DAY 28 15 27 1 4 5 19 31 20 26 9 9 MIN. QFF PRESSURE IN HPA 1003.1 1001.3 997.2 1004.4 1001.6 999.7 1004.0 1004.3 1004.7 1010.5 1008.7 1013.9 997.2 DAY 11 10 12 20 7 29 7 26 9 3 19 25 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BABOLSAR (40736) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 43 N LONGITUDE 52 39 E DATA PROCESSING CENTER ELEVATION -21.0 M MEANS AND EXTREMES FOR THE YEAR 1953 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1021.7 1017.6 1021.9 1021.0 1016.3 1012.2 1012.5 1012.6 1017.8 1024.1 1026.4 1029.0 1019.4 MAX. QFE PRESSURE IN HPA 1032.8 1029.2 1037.1 1032.9 1024.4 1022.6 1020.7 1019.4 1027.8 1041.3 1039.0 1039.5 1041.3 DAY 28 15 27 1 4 5 19 31 20 26 9 9 MIN. QFE PRESSURE IN HPA 1007.6 1002.5 998.7 1005.0 1008.6 1001.8 1006.2 1005.4 1005.2 1013.0 1010.4 1017.6 998.7 DAY 11 19 12 20 2 29 7 26 9 3 19 25 MEAN QNH PRESSURE IN HPA 1018.9 1014.7 1019.1 1018.2 1013.5 1009.3 1009.7 1009.8 1014.9 1021.3 1023.5 1026.2 1016.6 MAX. QNH PRESSURE IN HPA 1029.9 1026.3 1034.2 1030.0 1021.6 1019.8 1017.9 1016.6 1024.9 1038.4 1036.1 1036.6 1038.4 DAY 28 15 27 1 4 5 19 31 20 26 9 9 MIN. QNH PRESSURE IN HPA 1004.8 999.7 995.9 1002.2 1005.8 999.0 1003.4 1002.6 1002.4 1010.2 1007.6 1014.8 995.9 DAY 11 19 12 20 2 29 7 26 9 3 19 25 MEAN QFF PRESSURE IN HPA 1019.1 1015.0 1019.3 1018.4 1013.9 1009.7 1010.1 1010.2 1015.3 1021.6 1023.8 1026.4 1016.9 MAX. QFF PRESSURE IN HPA 1030.2 1026.6 1034.5 1030.3 1021.8 1020.1 1018.3 1017.0 1025.3 1038.7 1036.4 1036.8 1038.7 DAY 28 15 27 1 4 5 19 31 20 26 9 9 MIN. QFF PRESSURE IN HPA 1005.1 1000.0 996.2 1002.5 1006.1 999.4 1003.8 1003.0 1002.8 1010.5 1007.9 1015.0 996.2 DAY 11 19 12 20 2 29 7 26 9 3 19 25 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 1021.6 1017.6 1022.0 1021.2 1016.7 1012.5 1013.1 1013.0 1018.4 1024.3 1026.4 1028.4 1019.6 MAX. QFE PRESSURE IN HPA 1032.4 1029.2 1036.6 1032.8 1024.6 1022.0 1020.7 1019.6 1028.6 1039.9 1039.0 1036.1 1039.9 DAY 18 15 27 1 4 5 19 31 20 26 9 12 MIN. QFE PRESSURE IN HPA 1007.5 1004.4 998.6 1008.2 1003.5 1003.9 1006.6 1005.0 1005.8 1011.8 1009.8 1016.1 998.6 DAY 11 10 12 20 7 29 14 26 9 6 19 31 MEAN QNH PRESSURE IN HPA 1018.8 1014.7 1019.2 1018.4 1013.8 1009.7 1010.3 1010.2 1015.6 1021.5 1023.5 1025.5 1016.8 MAX. QNH PRESSURE IN HPA 1029.5 1026.3 1033.7 1029.9 1021.8 1019.2 1017.9 1016.8 1025.7 1037.0 1036.1 1033.2 1037.0 DAY 18 15 27 1 4 5 19 31 20 26 9 12 MIN. QNH PRESSURE IN HPA 1004.7 1001.6 995.8 1005.4 1000.7 1001.1 1003.8 1002.2 1003.0 1009.0 1007.0 1013.3 995.8 DAY 11 10 12 20 7 29 14 26 9 6 19 31 MEAN QFF PRESSURE IN HPA 1019.0 1015.0 1019.4 1018.6 1014.2 1010.1 1010.7 1010.6 1016.0 1021.8 1023.8 1025.7 1017.1 MAX. QFF PRESSURE IN HPA 1029.8 1026.6 1034.0 1030.2 1022.0 1019.5 1018.3 1017.2 1026.1 1037.3 1036.4 1033.4 1037.3 DAY 18 15 27 1 4 5 19 31 20 26 9 12 MIN. QFF PRESSURE IN HPA 1005.0 1001.9 996.2 1005.7 1001.1 1001.5 1004.2 1002.6 1003.4 1009.3 1007.3 1013.5 996.2 DAY 11 10 12 20 7 29 14 26 9 6 19 31 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 1021.4 1017.4 1021.6 1020.9 1016.5 1012.3 1013.1 1013.0 1018.3 1024.2 1026.1 1028.5 1019.4 MAX. QFE PRESSURE IN HPA 1032.4 1028.7 1035.9 1032.4 1024.4 1021.1 1021.6 1019.1 1030.7 1039.3 1039.3 1036.2 1039.3 DAY 18 15 27 1 4 5 19 31 30 25 27 12 MIN. QFE PRESSURE IN HPA 1008.3 1005.9 998.4 1008.7 1004.0 1004.2 1005.4 1006.1 1006.2 1010.7 1010.6 1014.4 998.4 DAY 30 10 12 20 7 29 14 26 9 6 19 31 MEAN QNH PRESSURE IN HPA 1018.6 1014.6 1018.8 1018.0 1013.6 1009.5 1010.2 1010.2 1015.5 1021.4 1023.3 1025.6 1016.6 MAX. QNH PRESSURE IN HPA 1029.5 1025.8 1033.0 1029.5 1021.6 1018.3 1018.8 1016.3 1027.8 1036.4 1036.4 1033.3 1036.4 DAY 18 15 27 1 4 5 19 31 30 25 27 12 MIN. QNH PRESSURE IN HPA 1005.5 1003.1 995.6 1005.9 1001.2 1001.4 1002.6 1003.3 1003.4 1007.9 1007.8 1011.6 995.6 DAY 30 10 12 20 7 29 14 26 9 6 19 31 MEAN QFF PRESSURE IN HPA 1018.8 1014.8 1019.0 1018.3 1014.0 1009.9 1010.7 1010.6 1015.8 1021.7 1023.5 1025.8 1016.9 MAX. QFF PRESSURE IN HPA 1029.8 1026.1 1033.3 1029.8 1021.8 1018.6 1019.2 1016.7 1028.2 1036.7 1036.6 1033.5 1036.7 DAY 18 15 27 1 4 5 19 31 30 25 27 12 MIN. QFF PRESSURE IN HPA 1005.8 1003.4 996.0 1006.2 1001.6 1001.8 1003.0 1003.7 1003.8 1008.2 1008.1 1011.8 996.0 DAY 30 10 12 20 7 29 14 26 9 6 19 31 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BABOLSAR (40736) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 43 N LONGITUDE 52 39 E DATA PROCESSING CENTER ELEVATION -21.0 M MEANS AND EXTREMES FOR THE YEAR 1954 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 6.1 5.0 6.5 10.9 19.1 23.9 27.1 26.7 24.1 19.2 13.7 9.0 15.9 MINIMUN AIR TEMPERATURE (C) 2.8 2.9 4.7 9.1 15.9 20.1 23.1 21.7 20.1 14.5 10.5 5.7 12.6 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 0 15 30 22 14 1 0 0 82 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 6 2 1 0 0 0 0 0 0 0 0 0 9 TEMPERATURE RECORDS LOWEST(C) -1.0 0.0 -1.0 5.0 12.0 17.0 20.0 17.0 14.0 10.0 6.0 1.0 -1.0 DAY 18 18 3 3 2 4 12 28 26 18 26 17 MAXIMUM AIR TEMPERATURE (C) 10.1 7.4 8.6 13.3 22.8 27.8 31.1 31.6 28.8 24.4 17.8 13.4 19.7 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 0 0 6 26 28 10 0 0 0 70 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 18.0 16.0 16.0 25.0 28.0 32.0 33.0 34.0 33.0 27.0 25.0 18.0 34.0 DAY 13 4 30 23 13 30 5 13 1 3 1 8 DIF. BETWEEN (MAX.-MIN.) (C) 7.3 4.5 3.9 4.2 6.9 7.7 8.0 9.9 8.7 9.9 7.3 7.7 7.1 MEAN DAILY TEMP. (MDT) (C) 6.4 5.1 6.7 11.2 19.3 24.0 27.1 26.6 24.4 19.4 14.1 9.5 16.2 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 0.0 8.5 89.0 189.0 175.0 104.5 6.0 0.0 0.0 572.0 HEATING DEG. DAYS(BASE 18 0C) 358.5 360.5 351.5 204.0 18.5 0.0 0.0 0.0 0.0 2.0 119.5 262.0 1676.5 DEWPOINT (MEAN C) 3.5 1.9 3.7 8.3 14.8 18.4 22.6 21.8 20.3 15.8 11.1 6.3 12.4 MIXING RATIO (G/KG) 4.90 4.36 4.96 6.88 10.57 13.43 17.46 16.67 15.06 11.28 8.30 5.92 9.98 VAPOUR PRESSURE (HPA) 7.96 7.11 8.10 11.15 16.96 21.43 27.58 26.41 24.03 18.18 13.49 9.66 16.00 SATURATION DEF. (HPA) 1.62 1.68 1.71 2.14 5.61 8.75 8.83 9.34 6.68 4.49 2.62 2.01 4.62 RELATIVE HUMIDITY (MEAN %) 85 81 83 85 77 73 78 76 81 82 85 84 81 RELATIVE HUMIDITY (MAX. %) 95 91 91 93 91 90 91 91 94 95 94 93 92 RELATIVE HUMIDITY (MIN. %) 69 69 72 75 62 54 63 59 63 63 67 67 65 RELATIVE HUMIDITY (MEAN% 03UTC) 91 87 88 90 87 84 86 88 91 88 91 89 88 RELATIVE HUMIDITY (MEAN% 09UTC) 75 76 77 77 66 59 67 63 66 67 75 72 70 RELATIVE HUMIDITY (MEAN% 15UTC) 83 76 81 84 73 64 72 68 76 79 85 85 77 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 73.0 76.1 45.6 34.2 22.1 0.1 97.1 7.0 101.1 22.0 195.2 68.0 741.5 DAYS WITH PRECIPITATION >=10 5 2 2 2 1 0 3 0 4 1 5 2 27 DAYS WITH PRECIPITATION >= 5 5 6 4 2 1 0 4 1 6 2 8 4 43 DAYS WITH PRECIPITATION >= 1 11 12 9 5 1 0 7 2 9 4 10 6 76 DAYS WITH PRECIPITATION 14 17 15 12 5 6 10 4 12 5 13 7 120 GREATEST DAILY PRECIPITATION 14.0 21.0 10.0 15.0 22.0 0.0 49.0 6.0 42.0 13.0 58.0 34.0 58.0 DAY 5 6 9 7 18 ** 24 15 29 5 7 1 DAY WITH THUNDER STORM 0 0 0 0 1 0 6 2 4 0 2 0 15 DAYS WITH SNOW OR SLEET 0 3 0 0 0 0 0 0 0 0 0 0 3 DAYS WITH DUST 0 0 0 0 0 1 1 0 0 1 0 0 3 WIND DIRECTION (PREVAILING) 270 270 270 270 315 270 270 270 270 270 270 270 270 PREVAILING WIND SPEED(KNOTS) 3.1 4.1 3.4 3.5 3.4 3.1 3.3 2.9 2.8 2.9 2.5 3.0 3.1 PREVAILING WIND PERCENT 29.8 30.8 33.5 38.3 38.3 42.9 46.8 41.9 48.8 40.7 48.8 45.2 39.5 CALMS PERCENT OF WIND 6.0 4.9 2.8 1.3 4.4 7.9 4.4 4.0 2.9 4.4 0.4 2.0 3.8 NO. OF WIND OBSERVATION 248 224 248 240 248 240 248 248 240 248 240 248 2920 VECTOR WIND DIRECTION (MEAN) 293 299 305 293 319 289 280 287 280 295 275 286 291 VECTOR WIND MAGNITUDE(KNOTS) 0.8 1.3 1.4 2.1 2.1 2.6 2.6 1.9 2.4 1.8 1.3 1.2 1.8 WIND STEADINESES (MEAN %) 25.8 33.3 41.2 61.8 63.6 86.7 78.8 61.3 77.4 62.1 44.8 41.4 56.2 WIND SPEED (MEAN KNOTS) 3.1 3.9 3.4 3.4 3.3 3.0 3.3 3.1 3.1 2.9 2.9 2.9 3.2 FASTEST WIND DIRECTION 310 230 270 230 270 270 90 270 230 270 50 270 270 FASTEST WIND SPEED (KNOTS) 12 14 18 12 18 9 18 18 11 18 10 13 18 DAY 13 8 25 7 18 9 11 15 11 3 25 2 DAYS WITH SKY CLEAR (0-2)/8 5 3 3 4 19 16 16 25 15 21 7 8 142 DAYS WITH P.CLOUDY (3-6)/8 16 7 7 6 10 12 10 5 11 9 13 12 118 DAYS WITH CLOUDY (7-8)/8 10 18 21 20 2 2 5 1 4 1 10 11 105 DAYS WITH VISIBILITY =< 2 KM 3 4 2 3 1 0 0 0 0 1 1 2 17 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BABOLSAR (40736) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 43 N LONGITUDE 52 39 E DATA PROCESSING CENTER ELEVATION -21.0 M MEANS AND EXTREMES FOR THE YEAR 1954 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1018.8 1023.3 1026.4 1020.0 1016.3 1014.4 1010.6 1012.7 1017.1 1021.1 1025.5 1025.1 1019.3 MAX. QFE PRESSURE IN HPA 1046.0 1042.9 1041.8 1031.3 1032.5 1043.8 1015.7 1019.8 1026.8 1032.1 1038.8 1040.5 1046.0 DAY-HOUR 28- 9 22- 6 2- 6 30-18 1- 6 14- 6 26- 6 15- 6 30- 6 12- 6 26- 6 16- 0 MIN. QFE PRESSURE IN HPA 1005.0 1002.0 1010.8 1008.0 1002.6 1009.9 1002.8 1004.8 1009.3 1007.1 1012.9 1014.9 1002.0 DAY-HOUR 11-12 16- 3 18- 6 23-18 13- 0 27-15 22-15 10-15 27- 0 2-18 1- 0 7- 0 MEAN QNH PRESSURE IN HPA 1015.9 1020.4 1023.5 1017.2 1013.5 1011.5 1007.7 1009.8 1014.3 1018.3 1022.6 1022.2 1016.4 MAX. QNH PRESSURE IN HPA 1043.1 1040.0 1038.9 1028.4 1029.6 1040.9 1012.9 1017.0 1024.0 1029.2 1035.9 1037.6 1043.1 DAY-HOUR 28- 9 22- 6 2- 6 30-18 1- 6 14- 6 26- 6 15- 6 30- 6 12- 6 26- 6 16- 0 MIN. QNH PRESSURE IN HPA 1002.2 999.2 1008.0 1005.2 999.8 1007.1 1000.0 1002.0 1006.5 1004.3 1010.1 1012.1 999.2 DAY-HOUR 11-12 16- 3 18- 6 23-18 13- 0 27-15 22-15 10-15 27- 0 2-18 1- 0 7- 0 MEAN QFF PRESSURE IN HPA 1016.2 1020.6 1023.8 1017.5 1013.8 1011.9 1008.2 1010.2 1014.7 1018.6 1022.9 1022.5 1016.7 MAX. QFF PRESSURE IN HPA 1043.3 1040.2 1039.1 1028.7 1029.9 1041.3 1013.3 1017.4 1024.3 1029.6 1036.2 1037.9 1043.3 DAY-HOUR 28- 9 22- 6 2- 6 30-18 1- 6 14- 6 26- 6 15- 6 30- 6 12- 6 26- 6 16- 0 MIN. QFF PRESSURE IN HPA 1002.4 999.4 1008.2 1005.6 1000.2 1007.5 1000.4 1002.4 1006.9 1004.6 1010.4 1012.3 999.4 DAY-HOUR 11-12 16- 3 18- 6 23-18 13- 0 27-15 22-15 10-15 27- 0 2-18 1- 0 7- 3 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 1018.7 1022.5 1026.4 1019.5 1015.9 1014.3 1010.3 1012.5 1016.8 1020.8 1024.8 1024.9 1018.9 MAX. QFE PRESSURE IN HPA 1032.1 1042.0 1040.4 1028.7 1030.8 1020.6 1013.8 1017.5 1025.7 1031.4 1037.1 1040.5 1042.0 DAY 17 22 2 29 1 3 31 16 30 12 27 16 MIN. QFE PRESSURE IN HPA 1007.1 1006.7 1013.3 1010.3 1002.6 1010.8 1004.0 1006.2 1009.3 1007.2 1012.9 1014.9 1002.6 DAY 12 4 24 26 13 27 22 10 27 3 1 7 MEAN QNH PRESSURE IN HPA 1015.9 1019.7 1023.5 1016.7 1013.1 1011.4 1007.5 1009.7 1013.9 1017.9 1021.9 1022.1 1016.1 MAX. QNH PRESSURE IN HPA 1029.2 1039.1 1037.5 1025.8 1027.9 1017.8 1011.0 1014.7 1022.9 1028.5 1034.2 1037.6 1039.1 DAY 17 22 2 29 1 3 31 16 30 12 27 16 MIN. QNH PRESSURE IN HPA 1004.3 1003.9 1010.5 1007.5 999.8 1008.0 1001.2 1003.4 1006.5 1004.4 1010.1 1012.1 999.8 DAY 12 4 24 26 13 27 22 10 27 3 1 7 MEAN QFF PRESSURE IN HPA 1016.1 1019.9 1023.8 1016.9 1013.4 1011.8 1007.9 1010.1 1014.3 1018.3 1022.2 1022.3 1016.4 MAX. QFF PRESSURE IN HPA 1029.4 1039.3 1037.7 1026.1 1028.2 1018.1 1011.4 1015.1 1023.2 1028.9 1034.4 1037.9 1039.3 DAY 17 22 2 29 1 3 31 16 30 12 27 16 MIN. QFF PRESSURE IN HPA 1004.5 1004.1 1010.7 1007.8 1000.2 1008.4 1001.6 1003.8 1006.9 1004.7 1010.4 1012.3 1000.2 DAY 12 4 25 26 13 27 22 10 27 3 1 7 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1018.9 1022.9 1026.5 1019.9 1016.9 1014.8 1010.9 1013.0 1017.6 1021.3 1025.4 1025.1 1019.4 MAX. QFE PRESSURE IN HPA 1032.6 1042.4 1041.1 1029.9 1031.8 1021.0 1014.9 1019.1 1026.1 1031.4 1037.6 1039.5 1042.4 DAY 17 22 2 29 1 3 26 15 30 12 26 16 MIN. QFE PRESSURE IN HPA 1005.7 1002.0 1012.5 1011.7 1005.3 1011.0 1004.5 1007.1 1010.7 1008.6 1017.3 1014.9 1002.0 DAY 9 16 18 23 13 24 22 10 27 3 18 7 MEAN QNH PRESSURE IN HPA 1016.0 1020.0 1023.7 1017.1 1014.1 1012.0 1008.1 1010.2 1014.7 1018.5 1022.6 1022.2 1016.6 MAX. QNH PRESSURE IN HPA 1029.7 1039.5 1038.2 1027.0 1028.9 1018.2 1012.1 1016.3 1023.3 1028.5 1034.7 1036.6 1039.5 DAY 17 22 2 29 1 3 26 15 30 12 26 16 MIN. QNH PRESSURE IN HPA 1002.9 999.2 1009.7 1008.9 1002.5 1008.2 1001.7 1004.3 1007.9 1005.8 1014.5 1012.1 999.2 DAY 9 16 18 23 13 24 22 10 27 3 18 7 MEAN QFF PRESSURE IN HPA 1016.2 1020.2 1023.9 1017.3 1014.4 1012.4 1008.5 1010.6 1015.1 1018.8 1022.9 1022.5 1016.9 MAX. QFF PRESSURE IN HPA 1029.9 1039.7 1038.4 1027.3 1029.2 1018.5 1012.5 1016.7 1023.6 1028.9 1035.0 1036.8 1039.7 DAY 17 22 2 29 1 3 26 15 30 12 26 16 MIN. QFF PRESSURE IN HPA 1003.1 999.4 1009.9 1009.2 1002.9 1008.6 1002.1 1004.7 1008.2 1006.1 1014.7 1012.3 999.4 DAY 9 16 18 23 13 24 22 10 27 3 18 7 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BABOLSAR (40736) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 43 N LONGITUDE 52 39 E DATA PROCESSING CENTER ELEVATION -21.0 M MEANS AND EXTREMES FOR THE YEAR 1954 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1019.4 1024.2 1027.2 1020.5 1017.1 1015.8 1011.1 1013.7 1018.1 1022.2 1026.2 1025.9 1020.1 MAX. QFE PRESSURE IN HPA 1033.7 1042.9 1041.8 1030.1 1032.5 1043.8 1015.7 1019.8 1026.8 1032.1 1038.8 1039.4 1043.8 DAY 17 22 2 29 1 14 26 15 30 12 26 15 MIN. QFE PRESSURE IN HPA 1007.3 1008.8 1010.8 1010.5 1005.4 1011.1 1004.6 1007.5 1011.5 1014.4 1017.6 1015.5 1004.6 DAY 9 4 18 23 13 27 22 10 27 3 18 7 MEAN QNH PRESSURE IN HPA 1016.6 1021.4 1024.4 1017.7 1014.3 1012.9 1008.3 1010.8 1015.3 1019.4 1023.4 1023.1 1017.3 MAX. QNH PRESSURE IN HPA 1030.8 1040.0 1038.9 1027.2 1029.6 1040.9 1012.9 1017.0 1024.0 1029.2 1035.9 1036.5 1040.9 DAY 17 22 2 29 1 14 26 15 30 12 26 15 MIN. QNH PRESSURE IN HPA 1004.5 1006.0 1008.0 1007.7 1002.6 1008.3 1001.8 1004.7 1008.7 1011.6 1014.8 1012.7 1001.8 DAY 9 4 18 23 13 27 22 10 27 3 18 7 MEAN QFF PRESSURE IN HPA 1016.8 1021.6 1024.6 1018.0 1014.6 1013.3 1008.7 1011.3 1015.7 1019.7 1023.7 1023.3 1017.6 MAX. QFF PRESSURE IN HPA 1031.0 1040.2 1039.1 1027.5 1029.9 1041.3 1013.3 1017.4 1024.3 1029.6 1036.2 1036.7 1041.3 DAY 17 22 2 30 1 14 26 15 30 12 26 15 MIN. QFF PRESSURE IN HPA 1004.7 1006.2 1008.2 1008.0 1003.0 1008.7 1002.2 1005.1 1009.1 1011.9 1015.1 1012.9 1002.2 DAY 9 4 18 23 13 27 22 10 27 3 18 7 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1019.2 1023.5 1026.7 1020.1 1016.6 1014.5 1010.8 1013.1 1017.4 1021.3 1025.3 1024.7 1019.4 MAX. QFE PRESSURE IN HPA 1046.0 1041.5 1040.5 1029.8 1032.2 1020.6 1014.7 1019.5 1026.6 1031.0 1038.4 1038.2 1046.0 DAY 28 22 2 30 1 3 26 15 30 11 26 15 MIN. QFE PRESSURE IN HPA 1006.4 1010.0 1011.9 1009.1 1004.5 1011.2 1003.8 1006.5 1011.0 1013.6 1016.1 1015.2 1003.8 DAY 11 4 18 23 13 27 22 10 27 2 18 25 MEAN QNH PRESSURE IN HPA 1016.4 1020.7 1023.9 1017.3 1013.8 1011.7 1008.0 1010.3 1014.6 1018.5 1022.4 1021.8 1016.6 MAX. QNH PRESSURE IN HPA 1043.1 1038.6 1037.6 1026.9 1029.3 1017.8 1011.9 1016.7 1023.8 1028.1 1035.5 1035.3 1043.1 DAY 28 22 2 30 1 3 26 15 30 11 26 15 MIN. QNH PRESSURE IN HPA 1003.6 1007.2 1009.1 1006.3 1001.7 1008.4 1001.0 1003.7 1008.2 1010.8 1013.3 1012.4 1001.0 DAY 11 4 18 23 13 27 22 10 27 2 18 25 MEAN QFF PRESSURE IN HPA 1016.6 1020.9 1024.1 1017.5 1014.1 1012.1 1008.4 1010.7 1015.0 1018.8 1022.7 1022.1 1016.9 MAX. QFF PRESSURE IN HPA 1043.3 1038.8 1037.8 1027.3 1029.6 1018.1 1012.3 1017.1 1024.1 1028.5 1035.8 1035.6 1043.3 DAY 28 22 2 30 1 3 26 15 30 11 26 15 MIN. QFF PRESSURE IN HPA 1003.8 1007.4 1009.3 1006.6 1002.1 1008.8 1001.4 1004.1 1008.6 1011.1 1013.6 1012.7 1001.4 DAY 11 4 18 23 13 27 22 10 27 2 18 25 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 1017.8 1022.8 1026.0 1019.7 1016.0 1013.9 1010.2 1012.2 1016.6 1020.7 1024.9 1024.5 1018.8 MAX. QFE PRESSURE IN HPA 1032.7 1039.8 1039.3 1030.2 1030.5 1020.1 1014.3 1018.2 1025.1 1031.1 1037.8 1037.9 1039.8 DAY 17 22 2 30 1 3 25 15 30 11 26 15 MIN. QFE PRESSURE IN HPA 1005.0 1009.6 1012.5 1008.1 1004.9 1010.6 1003.1 1005.3 1010.4 1011.2 1015.8 1015.8 1003.1 DAY 11 4 31 23 13 27 22 10 27 2 18 25 MEAN QNH PRESSURE IN HPA 1015.0 1019.9 1023.2 1016.9 1013.2 1011.1 1007.4 1009.4 1013.7 1017.9 1022.1 1021.6 1016.0 MAX. QNH PRESSURE IN HPA 1029.8 1036.9 1036.4 1027.3 1027.6 1017.3 1011.5 1015.4 1022.3 1028.2 1034.9 1035.0 1036.9 DAY 17 22 2 30 1 3 25 15 30 11 26 15 MIN. QNH PRESSURE IN HPA 1002.2 1006.8 1009.7 1005.3 1002.1 1007.8 1000.3 1002.5 1007.6 1008.4 1013.0 1013.0 1000.3 DAY 11 4 31 23 13 27 22 10 27 2 18 25 MEAN QFF PRESSURE IN HPA 1015.2 1020.1 1023.4 1017.2 1013.5 1011.5 1007.9 1009.8 1014.1 1018.2 1022.4 1021.9 1016.3 MAX. QFF PRESSURE IN HPA 1030.0 1037.1 1036.6 1027.6 1027.9 1017.6 1011.9 1015.8 1022.6 1028.6 1035.2 1035.3 1037.1 DAY 17 22 2 30 1 3 25 15 30 11 26 15 MIN. QFF PRESSURE IN HPA 1002.4 1007.1 1010.0 1005.6 1002.5 1008.2 1000.7 1002.9 1008.0 1008.7 1013.3 1013.2 1000.7 DAY 11 4 31 23 13 27 22 10 27 2 18 25 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BABOLSAR (40736) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 43 N LONGITUDE 52 39 E DATA PROCESSING CENTER ELEVATION -21.0 M MEANS AND EXTREMES FOR THE YEAR 1954 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1018.7 1023.4 1026.2 1020.2 1015.6 1013.5 1009.9 1011.8 1016.6 1020.7 1025.7 1025.2 1019.0 MAX. QFE PRESSURE IN HPA 1032.7 1039.7 1039.7 1030.3 1029.5 1019.8 1014.1 1017.8 1024.6 1031.4 1038.8 1039.2 1039.7 DAY 17 21 1 30 1 3 11 15 30 11 26 15 MIN. QFE PRESSURE IN HPA 1005.5 1009.4 1012.3 1011.0 1005.7 1009.9 1002.8 1004.8 1010.6 1009.6 1016.9 1016.5 1002.8 DAY 11 19 24 17 13 27 22 10 26 2 18 7 MEAN QNH PRESSURE IN HPA 1015.9 1020.6 1023.3 1017.4 1012.8 1010.7 1007.1 1009.0 1013.8 1017.8 1022.9 1022.4 1016.1 MAX. QNH PRESSURE IN HPA 1029.8 1036.8 1036.8 1027.4 1026.6 1017.0 1011.3 1015.0 1021.8 1028.5 1035.9 1036.3 1036.8 DAY 17 21 1 30 1 3 11 15 30 11 26 15 MIN. QNH PRESSURE IN HPA 1002.7 1006.6 1009.5 1008.2 1002.9 1007.1 1000.0 1002.0 1007.8 1006.8 1014.1 1013.7 1000.0 DAY 11 19 24 17 13 27 22 10 26 2 18 7 MEAN QFF PRESSURE IN HPA 1016.1 1020.8 1023.5 1017.6 1013.2 1011.1 1007.5 1009.4 1014.2 1018.2 1023.1 1022.6 1016.4 MAX. QFF PRESSURE IN HPA 1030.0 1037.0 1037.0 1027.7 1026.9 1017.3 1011.7 1015.4 1022.1 1028.9 1036.1 1036.5 1037.0 DAY 17 21 1 30 1 3 11 15 30 11 26 15 MIN. QFF PRESSURE IN HPA 1002.9 1006.8 1009.7 1008.5 1003.3 1007.5 1000.4 1002.4 1008.1 1007.1 1014.4 1013.9 1000.4 DAY 11 19 24 17 13 27 22 10 26 2 18 7 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 1018.7 1023.7 1026.3 1020.3 1016.4 1014.1 1010.7 1012.5 1017.1 1021.1 1025.9 1025.4 1019.3 MAX. QFE PRESSURE IN HPA 1032.4 1041.5 1040.6 1031.3 1029.7 1021.3 1015.6 1018.4 1025.2 1031.9 1038.4 1040.4 1041.5 DAY 16 21 1 30 1 2 11 15 22 11 26 15 MIN. QFE PRESSURE IN HPA 1006.2 1008.9 1012.9 1008.0 1007.0 1010.3 1003.1 1005.2 1010.8 1007.1 1017.7 1017.0 1003.1 DAY 11 19 31 23 12 7 16 10 26 2 18 7 MEAN QNH PRESSURE IN HPA 1015.8 1020.8 1023.4 1017.4 1013.5 1011.2 1007.9 1009.7 1014.3 1018.3 1023.1 1022.5 1016.5 MAX. QNH PRESSURE IN HPA 1029.5 1038.6 1037.7 1028.4 1026.8 1018.5 1012.8 1015.6 1022.4 1029.0 1035.5 1037.5 1038.6 DAY 16 21 1 30 1 2 11 15 22 11 26 15 MIN. QNH PRESSURE IN HPA 1003.4 1006.1 1010.1 1005.2 1004.2 1007.5 1000.3 1002.4 1008.0 1004.3 1014.9 1014.2 1000.3 DAY 11 19 31 23 12 7 16 10 26 2 18 7 MEAN QFF PRESSURE IN HPA 1016.1 1021.1 1023.7 1017.7 1013.9 1011.6 1008.3 1010.1 1014.7 1018.6 1023.4 1022.7 1016.8 MAX. QFF PRESSURE IN HPA 1029.7 1038.8 1037.9 1028.7 1027.1 1018.8 1013.2 1016.0 1022.7 1029.4 1035.7 1037.7 1038.8 DAY 16 21 1 30 1 2 11 15 22 11 26 15 MIN. QFF PRESSURE IN HPA 1003.6 1006.3 1010.3 1005.6 1004.6 1007.9 1000.7 1002.8 1008.4 1004.6 1015.2 1014.4 1000.7 DAY 11 19 31 23 12 7 16 23 26 2 18 7 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 1019.0 1023.4 1026.0 1020.1 1015.9 1014.2 1010.6 1012.5 1017.1 1021.0 1025.6 1025.1 1019.2 MAX. QFE PRESSURE IN HPA 1032.5 1041.6 1040.8 1031.2 1028.4 1021.2 1014.8 1017.9 1024.8 1031.7 1037.8 1040.4 1041.6 DAY 16 21 1 30 1 2 25 15 21 11 26 15 MIN. QFE PRESSURE IN HPA 1006.5 1008.2 1013.3 1010.5 1004.4 1010.8 1002.9 1005.7 1010.2 1007.1 1017.9 1016.0 1002.9 DAY 11 3 24 25 12 26 16 10 26 2 17 6 MEAN QNH PRESSURE IN HPA 1016.1 1020.5 1023.2 1017.3 1013.1 1011.4 1007.8 1009.7 1014.3 1018.2 1022.8 1022.3 1016.4 MAX. QNH PRESSURE IN HPA 1029.6 1038.7 1037.9 1028.3 1025.5 1018.4 1012.0 1015.1 1022.0 1028.8 1034.9 1037.5 1038.7 DAY 16 21 1 30 1 2 25 15 21 11 26 15 MIN. QNH PRESSURE IN HPA 1003.7 1005.4 1010.5 1007.7 1001.6 1008.0 1000.1 1002.9 1007.4 1004.3 1015.1 1013.2 1000.1 DAY 11 3 24 25 12 26 16 10 26 2 17 6 MEAN QFF PRESSURE IN HPA 1016.4 1020.7 1023.4 1017.5 1013.4 1011.8 1008.2 1010.1 1014.7 1018.5 1023.1 1022.5 1016.7 MAX. QFF PRESSURE IN HPA 1029.9 1038.9 1038.1 1028.7 1025.8 1018.7 1012.4 1015.5 1022.3 1029.2 1035.1 1037.8 1038.9 DAY 16 21 1 30 1 2 25 15 21 11 26 15 MIN. QFF PRESSURE IN HPA 1003.9 1005.6 1010.7 1008.0 1002.0 1008.4 1000.5 1003.3 1007.8 1004.6 1015.4 1013.4 1000.5 DAY 11 3 24 25 12 26 16 10 26 2 17 6 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BABOLSAR (40736) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 43 N LONGITUDE 52 39 E DATA PROCESSING CENTER ELEVATION -21.0 M MEANS AND EXTREMES FOR THE YEAR 1955 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 7.7 10.1 9.7 13.1 18.9 22.7 26.2 26.3 23.3 18.4 14.1 9.3 16.6 MINIMUN AIR TEMPERATURE (C) 4.7 5.8 7.5 10.3 15.3 18.7 21.4 23.0 19.9 14.3 10.5 6.2 13.1 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 0 5 23 28 12 0 0 0 68 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS LOWEST(C) 1.0 1.0 2.0 4.0 11.0 15.0 19.0 19.0 15.0 9.0 6.0 2.0 1.0 DAY 8 2 6 12 10 14 1 18 23 15 18 7 MAXIMUM AIR TEMPERATURE (C) 12.1 15.7 12.6 16.3 22.3 26.5 30.5 30.4 27.6 23.3 18.3 13.3 20.8 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 0 0 1 23 17 0 0 0 0 41 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 17.0 24.0 22.0 29.0 28.0 30.0 33.0 37.0 29.0 27.0 23.0 19.0 37.0 DAY 12 11 29 22 31 28 25 2 1 17 1 18 DIF. BETWEEN (MAX.-MIN.) (C) 7.4 9.9 5.1 6.0 7.0 7.8 9.1 7.4 7.7 9.0 7.8 7.1 7.7 MEAN DAILY TEMP. (MDT) (C) 8.4 10.8 10.0 13.3 18.8 22.6 26.0 26.7 23.7 18.8 14.4 9.7 16.9 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 1.0 7.0 54.0 154.0 171.0 84.5 1.5 0.0 0.0 473.0 HEATING DEG. DAYS(BASE 18 0C) 297.5 202.5 247.5 146.0 19.0 0.0 0.0 0.0 0.0 14.0 109.0 256.0 1291.5 DEWPOINT (MEAN C) 4.7 5.7 6.3 9.2 14.2 17.8 20.8 22.0 19.3 14.9 10.8 6.4 12.7 MIXING RATIO (G/KG) 5.30 5.75 5.97 7.30 10.17 12.97 15.57 16.82 14.09 10.62 8.14 5.98 9.89 VAPOUR PRESSURE (HPA) 8.68 9.32 9.70 11.81 16.37 20.71 24.65 26.60 22.52 17.14 13.20 9.72 15.87 SATURATION DEF. (HPA) 2.06 3.47 2.54 3.61 5.83 7.34 9.85 8.33 6.53 4.46 3.24 2.18 4.95 RELATIVE HUMIDITY (MEAN %) 83 77 80 79 76 76 73 78 79 81 82 83 79 RELATIVE HUMIDITY (MAX. %) 93 91 91 92 90 92 88 91 92 94 93 92 92 RELATIVE HUMIDITY (MIN. %) 65 55 66 65 59 58 57 63 63 63 62 68 62 RELATIVE HUMIDITY (MEAN% 03UTC) 90 86 88 89 86 87 85 89 90 91 90 89 88 RELATIVE HUMIDITY (MEAN% 09UTC) 69 61 72 68 62 65 62 67 67 66 69 74 67 RELATIVE HUMIDITY (MEAN% 15UTC) 80 72 77 73 72 68 67 74 72 79 81 81 75 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 34.6 17.0 75.2 26.7 4.7 40.4 4.0 61.2 65.3 99.3 213.3 109.1 750.8 DAYS WITH PRECIPITATION >=10 0 0 3 1 0 2 0 1 2 2 5 5 21 DAYS WITH PRECIPITATION >= 5 2 2 5 2 0 2 0 3 2 3 6 5 32 DAYS WITH PRECIPITATION >= 1 9 3 12 3 2 6 1 4 5 5 10 7 67 DAYS WITH PRECIPITATION 13 5 20 10 12 11 2 9 12 5 13 11 123 GREATEST DAILY PRECIPITATION 9.0 9.0 23.0 16.0 2.0 18.0 4.0 46.0 35.0 56.0 75.0 24.0 75.0 DAY 1 23 9 11 8 23 28 17 29 10 9 2 DAY WITH THUNDER STORM 0 0 0 3 2 1 0 0 0 6 2 1 15 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 0 1 0 0 0 0 0 0 1 0 0 0 2 WIND DIRECTION (PREVAILING) 270 315 270 270 315 270 270 270 270 270 270 270 270 PREVAILING WIND SPEED(KNOTS) 2.2 3.2 3.5 4.9 3.5 3.8 3.6 3.4 3.0 2.5 2.6 3.8 3.3 PREVAILING WIND PERCENT 43.1 28.1 39.1 42.5 37.9 49.2 55.2 52.1 61.7 46.8 42.1 29.4 43.7 CALMS PERCENT OF WIND 2.8 4.0 0.4 0.0 1.2 2.1 0.8 2.5 1.3 4.0 1.3 4.4 2.1 NO. OF WIND OBSERVATION 248 224 248 240 248 240 248 240 240 248 240 248 2912 VECTOR WIND DIRECTION (MEAN) 307 324 323 301 306 285 287 285 283 303 312 310 298 VECTOR WIND MAGNITUDE(KNOTS) 0.9 1.4 1.5 2.5 2.4 2.8 3.2 3.1 2.8 1.7 1.4 1.4 2.0 WIND STEADINESES (MEAN %) 36.0 42.4 39.5 58.1 66.7 82.4 88.9 86.1 90.3 60.7 48.3 45.2 60.6 WIND SPEED (MEAN KNOTS) 2.5 3.3 3.8 4.3 3.6 3.4 3.6 3.6 3.1 2.8 2.9 3.1 3.3 FASTEST WIND DIRECTION 90 310 270 270 270 300 270 270 270 360 50 270 270 FASTEST WIND SPEED (KNOTS) 7 18 15 24 15 20 10 10 12 22 11 15 24 DAY 26 12 31 22 8 25 4 14 29 14 8 1 DAYS WITH SKY CLEAR (0-2)/8 10 13 1 8 11 15 20 14 10 20 9 11 142 DAYS WITH P.CLOUDY (3-6)/8 8 11 10 10 14 8 9 9 13 7 12 6 117 DAYS WITH CLOUDY (7-8)/8 13 4 20 12 6 7 2 7 7 4 9 14 105 DAYS WITH VISIBILITY =< 2 KM 3 4 3 3 0 1 0 0 0 0 0 12 26 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BABOLSAR (40736) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 43 N LONGITUDE 52 39 E DATA PROCESSING CENTER ELEVATION -21.0 M MEANS AND EXTREMES FOR THE YEAR 1955 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1026.3 1018.5 1020.9 1020.0 1018.5 1014.7 1009.6 1011.1 1017.0 1021.7 1021.7 1020.6 1018.4 MAX. QFE PRESSURE IN HPA 1038.6 1030.4 1032.9 1032.0 1031.6 1023.9 1015.2 1021.6 1027.5 1031.6 1036.3 1042.9 1042.9 DAY-HOUR 9- 6 1- 6 22- 9 1- 3 26-18 21-21 8- 9 17-18 30- 6 10-18 12- 6 2- 0 MIN. QFE PRESSURE IN HPA 1014.3 997.9 1009.7 1006.0 1008.0 1005.0 1003.2 1001.3 1009.7 1014.9 1006.8 1009.1 997.9 DAY-HOUR 16-12 23- 0 11-15 22-12 3- 0 4-12 31-21 1- 3 1-12 30- 0 24-12 18- 0 MEAN QNH PRESSURE IN HPA 1023.4 1015.7 1018.0 1017.1 1015.7 1011.9 1006.8 1008.2 1014.1 1018.9 1018.8 1017.7 1015.5 MAX. QNH PRESSURE IN HPA 1035.7 1027.5 1030.0 1029.1 1028.7 1021.1 1012.4 1018.8 1024.7 1028.7 1033.4 1040.0 1040.0 DAY-HOUR 9- 6 1- 6 22- 9 1- 3 26-18 21-21 8- 9 17-18 30- 6 10-18 12- 6 2- 0 MIN. QNH PRESSURE IN HPA 1011.5 995.1 1006.9 1003.2 1005.2 1002.2 1000.4 998.5 1006.9 1012.1 1004.0 1006.3 995.1 DAY-HOUR 16-12 23- 0 11-15 22-12 3- 0 4-12 31-21 1- 3 1-12 30- 0 24-12 18- 0 MEAN QFF PRESSURE IN HPA 1023.6 1016.0 1018.3 1017.4 1016.0 1012.3 1007.2 1008.7 1014.6 1019.2 1019.1 1018.0 1015.9 MAX. QFF PRESSURE IN HPA 1035.9 1027.8 1030.3 1029.4 1029.1 1021.4 1012.8 1019.1 1025.0 1029.1 1033.7 1040.3 1040.3 DAY-HOUR 9- 6 1- 6 22- 9 1- 3 26-18 21-21 8- 9 17-18 30- 6 10-18 12- 6 2- 0 MIN. QFF PRESSURE IN HPA 1011.7 995.5 1007.1 1003.5 1005.5 1002.6 1000.8 998.9 1007.3 1012.4 1004.3 1006.5 995.5 DAY-HOUR 16-12 23- 0 11-15 22-15 3- 0 4-15 31-21 1- 3 1-12 30- 0 24-12 18- 0 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 1026.0 1018.4 1020.8 1019.6 1018.1 1014.6 1009.6 1011.1 1016.6 1021.6 1021.4 1020.5 1018.2 MAX. QFE PRESSURE IN HPA 1037.3 1029.7 1032.1 1030.6 1030.0 1023.6 1015.1 1020.3 1026.5 1029.5 1035.2 1042.9 1042.9 DAY 9 1 23 1 27 22 9 18 30 11 12 2 MIN. QFE PRESSURE IN HPA 1016.9 997.9 1010.3 1009.2 1008.0 1006.9 1003.8 1003.2 1011.0 1014.9 1007.4 1009.1 997.9 DAY 13 23 16 22 3 29 29 2 1 30 23 18 MEAN QNH PRESSURE IN HPA 1023.2 1015.5 1018.0 1016.8 1015.2 1011.8 1006.8 1008.3 1013.7 1018.8 1018.6 1017.7 1015.4 MAX. QNH PRESSURE IN HPA 1034.4 1026.8 1029.2 1027.7 1027.1 1020.8 1012.3 1017.5 1023.7 1026.6 1032.3 1040.0 1040.0 DAY 9 1 23 1 27 22 9 18 30 11 12 2 MIN. QNH PRESSURE IN HPA 1014.1 995.1 1007.5 1006.4 1005.2 1004.1 1001.0 1000.4 1008.2 1012.1 1004.6 1006.3 995.1 DAY 13 23 16 22 3 29 29 2 1 30 23 18 MEAN QFF PRESSURE IN HPA 1023.4 1015.8 1018.2 1017.1 1015.6 1012.2 1007.2 1008.7 1014.3 1019.2 1018.9 1017.9 1015.7 MAX. QFF PRESSURE IN HPA 1034.7 1027.1 1029.5 1028.0 1027.5 1021.1 1012.7 1017.8 1024.0 1026.9 1032.6 1040.3 1040.3 DAY 9 1 23 1 27 22 9 18 30 11 12 2 MIN. QFF PRESSURE IN HPA 1014.3 995.5 1007.7 1006.7 1005.5 1004.5 1001.4 1000.8 1008.6 1012.4 1004.9 1006.5 995.5 DAY 13 23 16 22 3 29 29 2 9 30 23 18 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1026.0 1018.4 1021.0 1020.3 1018.6 1015.2 1009.9 1011.5 1017.1 1021.8 1021.9 1020.8 1018.6 MAX. QFE PRESSURE IN HPA 1032.8 1030.2 1031.6 1032.0 1029.7 1023.4 1014.8 1019.5 1027.0 1030.1 1035.1 1040.6 1040.6 DAY 28 1 22 1 27 22 9 18 30 11 12 2 MIN. QFE PRESSURE IN HPA 1016.4 998.0 1010.0 1010.4 1009.0 1007.3 1004.2 1001.3 1011.4 1015.0 1008.1 1009.8 998.0 DAY 13 23 16 22 3 4 29 1 10 30 23 18 MEAN QNH PRESSURE IN HPA 1023.1 1015.6 1018.2 1017.5 1015.8 1012.4 1007.1 1008.7 1014.3 1019.0 1019.0 1017.9 1015.7 MAX. QNH PRESSURE IN HPA 1029.9 1027.3 1028.7 1029.1 1026.8 1020.6 1012.0 1016.7 1024.2 1027.2 1032.2 1037.7 1037.7 DAY 28 1 22 1 27 22 9 18 30 11 12 2 MIN. QNH PRESSURE IN HPA 1013.6 995.2 1007.2 1007.6 1006.2 1004.5 1001.4 998.5 1008.6 1012.2 1005.3 1007.0 995.2 DAY 13 23 16 22 3 4 29 1 10 30 23 18 MEAN QFF PRESSURE IN HPA 1023.3 1015.9 1018.4 1017.8 1016.1 1012.8 1007.5 1009.1 1014.8 1019.3 1019.3 1018.2 1016.1 MAX. QFF PRESSURE IN HPA 1030.1 1027.6 1029.0 1029.4 1027.2 1020.9 1012.4 1017.0 1024.5 1027.5 1032.5 1038.0 1038.0 DAY 28 1 22 1 27 22 9 18 30 11 12 2 MIN. QFF PRESSURE IN HPA 1013.8 995.6 1007.4 1007.9 1006.5 1004.9 1001.8 998.9 1009.0 1012.5 1005.6 1007.2 995.6 DAY 13 23 16 22 3 4 29 1 10 30 23 18 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BABOLSAR (40736) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 43 N LONGITUDE 52 39 E DATA PROCESSING CENTER ELEVATION -21.0 M MEANS AND EXTREMES FOR THE YEAR 1955 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1027.3 1019.2 1021.5 1021.0 1019.1 1015.4 1010.3 1011.9 1017.8 1022.5 1022.5 1021.7 1019.2 MAX. QFE PRESSURE IN HPA 1038.6 1030.4 1032.8 1031.7 1028.8 1023.5 1015.0 1019.7 1027.5 1030.6 1036.3 1042.6 1042.6 DAY 9 1 22 1 27 22 9 21 30 11 12 2 MIN. QFE PRESSURE IN HPA 1017.2 1002.9 1012.0 1010.1 1010.1 1007.6 1004.7 1004.6 1011.4 1015.3 1010.7 1010.5 1002.9 DAY 16 23 16 22 3 4 21 1 1 30 24 18 MEAN QNH PRESSURE IN HPA 1024.5 1016.4 1018.7 1018.2 1016.2 1012.6 1007.5 1009.1 1015.0 1019.7 1019.6 1018.8 1016.4 MAX. QNH PRESSURE IN HPA 1035.7 1027.5 1029.9 1028.8 1025.9 1020.7 1012.2 1016.9 1024.7 1027.7 1033.4 1039.7 1039.7 DAY 9 1 22 1 27 22 9 21 30 11 12 2 MIN. QNH PRESSURE IN HPA 1014.4 1000.1 1009.2 1007.3 1007.3 1004.8 1001.9 1001.8 1008.6 1012.5 1007.9 1007.7 1000.1 DAY 16 23 16 22 3 4 21 1 1 30 24 18 MEAN QFF PRESSURE IN HPA 1024.7 1016.7 1018.9 1018.5 1016.6 1013.0 1007.9 1009.5 1015.6 1020.0 1019.9 1019.1 1016.7 MAX. QFF PRESSURE IN HPA 1035.9 1027.8 1030.2 1029.1 1026.3 1021.0 1012.6 1017.3 1025.0 1028.0 1033.7 1039.9 1039.9 DAY 9 1 22 1 27 22 9 21 30 11 12 2 MIN. QFF PRESSURE IN HPA 1014.6 1000.4 1009.5 1007.7 1007.6 1005.2 1002.3 1002.2 1009.1 1012.8 1008.2 1007.9 1000.4 DAY 16 23 16 22 3 4 21 1 9 30 24 18 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1026.2 1018.6 1020.8 1020.6 1018.8 1015.2 1009.9 1011.4 1017.0 1021.7 1021.3 1020.6 1018.5 MAX. QFE PRESSURE IN HPA 1036.4 1028.9 1032.9 1030.7 1027.9 1023.0 1015.2 1019.5 1026.7 1029.9 1034.7 1041.2 1041.2 DAY 9 1 22 23 27 21 8 17 30 11 12 2 MIN. QFE PRESSURE IN HPA 1015.2 1006.1 1011.5 1008.0 1009.3 1008.0 1004.7 1004.0 1010.5 1015.3 1007.6 1010.1 1004.0 DAY 16 11 16 22 3 29 21 6 1 7 24 18 MEAN QNH PRESSURE IN HPA 1023.4 1015.8 1018.0 1017.8 1016.0 1012.4 1007.1 1008.6 1014.2 1018.8 1018.5 1017.7 1015.7 MAX. QNH PRESSURE IN HPA 1033.5 1026.0 1030.0 1027.8 1025.0 1020.2 1012.4 1016.7 1023.9 1027.0 1031.8 1038.3 1038.3 DAY 9 1 22 23 27 21 8 17 30 11 12 2 MIN. QNH PRESSURE IN HPA 1012.4 1003.3 1008.7 1005.2 1006.5 1005.2 1001.9 1001.2 1007.7 1012.5 1004.8 1007.3 1001.2 DAY 16 11 16 22 3 29 21 6 1 7 24 18 MEAN QFF PRESSURE IN HPA 1023.6 1016.1 1018.2 1018.0 1016.3 1012.8 1007.5 1009.0 1014.8 1019.2 1018.8 1018.0 1016.0 MAX. QFF PRESSURE IN HPA 1033.8 1026.3 1030.3 1028.1 1025.4 1020.5 1012.8 1017.0 1024.2 1027.4 1032.1 1038.5 1038.5 DAY 9 1 22 23 27 21 8 17 30 11 12 2 MIN. QFF PRESSURE IN HPA 1012.6 1003.6 1009.0 1005.6 1006.8 1005.6 1002.3 1001.6 1008.5 1012.8 1005.1 1007.6 1001.6 DAY 16 11 16 22 3 30 29 6 9 7 24 18 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 1025.7 1017.7 1020.2 1019.8 1018.4 1014.5 1009.2 1010.6 1016.4 1021.1 1020.7 1019.8 1017.8 MAX. QFE PRESSURE IN HPA 1035.7 1027.4 1032.4 1030.4 1028.4 1022.8 1014.6 1019.4 1025.1 1028.9 1034.3 1039.8 1039.8 DAY 9 1 22 12 26 21 8 17 30 10 12 2 MIN. QFE PRESSURE IN HPA 1014.3 1005.6 1010.8 1006.0 1009.0 1005.0 1004.1 1003.1 1009.7 1015.6 1006.8 1009.5 1003.1 DAY 16 11 11 22 3 4 29 1 1 6 24 18 MEAN QNH PRESSURE IN HPA 1022.8 1014.9 1017.4 1017.0 1015.6 1011.7 1006.4 1007.7 1013.6 1018.3 1017.8 1016.9 1015.0 MAX. QNH PRESSURE IN HPA 1032.8 1024.6 1029.5 1027.5 1025.5 1020.0 1011.8 1016.6 1022.3 1026.0 1031.4 1036.9 1036.9 DAY 9 1 22 12 26 21 8 17 30 10 12 2 MIN. QNH PRESSURE IN HPA 1011.5 1002.8 1008.0 1003.2 1006.2 1002.2 1001.3 1000.3 1006.9 1012.8 1004.0 1006.7 1000.3 DAY 16 11 11 22 3 4 29 1 1 6 24 18 MEAN QFF PRESSURE IN HPA 1023.1 1015.2 1017.6 1017.3 1015.9 1012.1 1006.8 1008.2 1013.9 1018.7 1018.1 1017.2 1015.3 MAX. QFF PRESSURE IN HPA 1033.1 1024.8 1029.8 1027.8 1025.9 1020.3 1012.2 1016.9 1022.6 1026.4 1031.7 1037.2 1037.2 DAY 9 18 22 12 26 21 9 17 30 10 12 2 MIN. QFF PRESSURE IN HPA 1011.7 1003.1 1008.2 1003.6 1006.5 1002.6 1001.7 1000.7 1007.3 1013.1 1004.3 1007.0 1000.7 DAY 16 11 11 22 3 4 29 1 1 30 24 18 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BABOLSAR (40736) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 43 N LONGITUDE 52 39 E DATA PROCESSING CENTER ELEVATION -21.0 M MEANS AND EXTREMES FOR THE YEAR 1955 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1026.3 1018.4 1020.6 1019.5 1018.2 1013.9 1009.1 1010.3 1016.5 1021.5 1021.7 1020.4 1018.0 MAX. QFE PRESSURE IN HPA 1035.1 1027.5 1032.6 1030.4 1029.9 1021.3 1014.8 1019.9 1025.2 1029.4 1035.3 1039.3 1039.3 DAY 9 18 22 12 26 22 8 17 29 10 11 2 MIN. QFE PRESSURE IN HPA 1016.4 1005.2 1009.7 1006.0 1008.7 1005.0 1003.9 1002.4 1010.0 1015.4 1009.6 1010.0 1002.4 DAY 16 11 11 22 3 4 31 1 5 6 22 18 MEAN QNH PRESSURE IN HPA 1023.5 1015.5 1017.7 1016.7 1015.4 1011.1 1006.2 1007.5 1013.7 1018.6 1018.8 1017.6 1015.2 MAX. QNH PRESSURE IN HPA 1032.2 1024.7 1029.7 1027.5 1027.0 1018.5 1012.0 1017.1 1022.4 1026.5 1032.4 1036.4 1036.4 DAY 9 18 22 12 26 22 8 17 29 10 11 2 MIN. QNH PRESSURE IN HPA 1013.6 1002.4 1006.9 1003.2 1005.9 1002.2 1001.1 999.6 1007.2 1012.6 1006.8 1007.2 999.6 DAY 16 11 11 22 3 4 31 1 5 6 22 18 MEAN QFF PRESSURE IN HPA 1023.4 1015.8 1018.0 1017.0 1015.7 1011.5 1006.7 1007.9 1014.1 1019.0 1019.1 1017.9 1015.5 MAX. QFF PRESSURE IN HPA 1032.0 1024.9 1030.0 1027.8 1027.4 1018.8 1012.4 1017.4 1022.7 1026.8 1032.7 1036.6 1036.6 DAY 8 18 22 12 26 22 8 17 29 10 11 2 MIN. QFF PRESSURE IN HPA 1013.8 1002.7 1007.1 1003.5 1006.2 1002.6 1001.5 1000.0 1007.6 1012.9 1007.1 1007.5 1000.0 DAY 16 11 11 22 3 4 31 1 5 6 22 18 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 1026.6 1019.1 1021.2 1019.8 1018.7 1014.6 1009.4 1010.9 1017.2 1021.9 1022.2 1020.6 1018.5 MAX. QFE PRESSURE IN HPA 1036.5 1029.0 1032.8 1031.0 1031.6 1023.8 1015.1 1021.6 1026.7 1031.6 1035.9 1042.0 1042.0 DAY 8 28 22 12 26 21 8 17 29 10 11 1 MIN. QFE PRESSURE IN HPA 1018.5 1004.0 1011.7 1006.7 1009.2 1005.9 1003.3 1002.3 1011.1 1015.5 1008.5 1010.3 1002.3 DAY 24 22 11 22 3 28 31 13 1 6 22 17 MEAN QNH PRESSURE IN HPA 1023.7 1016.3 1018.4 1017.0 1015.9 1011.8 1006.6 1008.1 1014.4 1019.0 1019.3 1017.8 1015.7 MAX. QNH PRESSURE IN HPA 1033.6 1026.1 1029.9 1028.1 1028.7 1021.0 1012.3 1018.8 1023.9 1028.7 1033.0 1039.1 1039.1 DAY 8 28 22 12 26 21 8 17 29 10 11 1 MIN. QNH PRESSURE IN HPA 1015.7 1001.2 1008.9 1003.9 1006.4 1003.1 1000.5 999.5 1008.3 1012.7 1005.7 1007.5 999.5 DAY 24 22 11 22 3 28 31 13 1 6 22 17 MEAN QFF PRESSURE IN HPA 1023.9 1016.5 1018.6 1017.3 1016.2 1012.2 1007.0 1008.5 1014.8 1019.4 1019.6 1018.0 1016.0 MAX. QFF PRESSURE IN HPA 1033.8 1026.4 1030.2 1028.4 1029.1 1021.3 1012.7 1019.1 1024.2 1029.1 1033.3 1039.4 1039.4 DAY 8 28 22 12 26 21 8 17 29 10 11 1 MIN. QFF PRESSURE IN HPA 1015.9 1001.5 1009.1 1004.3 1006.7 1003.5 1000.9 1000.0 1008.7 1013.0 1006.0 1007.7 1000.0 DAY 24 22 11 22 3 28 31 13 1 6 22 17 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 1026.3 1018.6 1021.1 1019.3 1018.4 1014.5 1009.5 1011.0 1017.1 1021.7 1022.0 1020.5 1018.3 MAX. QFE PRESSURE IN HPA 1036.9 1028.6 1032.5 1030.8 1031.1 1023.9 1015.2 1021.4 1026.9 1030.2 1035.7 1042.5 1042.5 DAY 8 28 22 12 26 21 8 17 29 10 11 1 MIN. QFE PRESSURE IN HPA 1019.0 999.4 1010.1 1009.6 1009.0 1006.3 1003.2 1001.9 1011.4 1015.5 1008.0 1009.6 999.4 DAY 15 22 15 21 2 28 31 13 1 6 22 17 MEAN QNH PRESSURE IN HPA 1023.4 1015.8 1018.3 1016.4 1015.6 1011.7 1006.7 1008.1 1014.3 1018.8 1019.2 1017.6 1015.5 MAX. QNH PRESSURE IN HPA 1034.0 1025.7 1029.6 1027.9 1028.2 1021.1 1012.4 1018.6 1024.1 1027.3 1032.8 1039.6 1039.6 DAY 8 28 22 12 26 21 8 17 29 10 11 1 MIN. QNH PRESSURE IN HPA 1016.2 996.6 1007.3 1006.8 1006.2 1003.5 1000.4 999.1 1008.6 1012.7 1005.2 1006.8 996.6 DAY 15 22 15 21 2 28 31 13 1 6 22 17 MEAN QFF PRESSURE IN HPA 1023.7 1016.1 1018.6 1016.7 1015.9 1012.1 1007.1 1008.6 1014.7 1019.2 1019.5 1017.9 1015.8 MAX. QFF PRESSURE IN HPA 1034.3 1026.0 1029.9 1028.2 1028.6 1021.4 1012.8 1018.9 1024.4 1027.7 1033.1 1039.9 1039.9 DAY 8 28 22 12 26 21 8 17 29 10 11 1 MIN. QFF PRESSURE IN HPA 1016.4 996.9 1007.5 1007.1 1006.5 1003.9 1000.8 999.5 1009.0 1013.0 1005.5 1007.0 996.9 DAY 24 22 15 21 2 28 31 13 1 6 22 17 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION BABOLSAR (40736) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 36 43 N LONGITUDE 52 39 E DATA PROCESSING CENTER ELEVATION -21.0 M MEANS AND EXTREMES FOR THE YEAR 1956 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 7.7 7.3 7.9 13.4 17.3 22.5 24.9 26.0 21.4 17.3 12.6 7.8 15.5 MINIMUN AIR TEMPERATURE (C) 4.2 4.8 5.8 10.5 13.8 18.3 21.5 21.8 18.1 13.3 8.6 4.7 12.1 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 0 6 24 27 8 0 0 0 65 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 1 1 0 0 0 0 0 0 0 0 0 2 4 TEMPERATURE RECORDS LOWEST(C) 0.0 0.0 2.0 1.0 8.0 13.0 19.0 19.0 10.0 8.0 3.0 0.0 0.0 DAY 20 13 25 2 2 5 3 2 27 30 14 13 MAXIMUM AIR TEMPERATURE (C) 12.3 10.2 10.4 17.7 20.9 26.4 28.9 30.3 25.7 21.8 17.8 12.1 19.5 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 0 0 2 10 21 4 0 0 0 37 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 15.0 17.0 21.0 29.0 29.0 30.0 32.0 33.0 33.0 26.0 27.0 27.0 33.0 DAY 20 5 7 11 2 23 18 26 15 15 4 5 DIF. BETWEEN (MAX.-MIN.) (C) 8.1 5.4 4.6 7.2 7.1 8.1 7.4 8.5 7.6 8.5 9.2 7.4 7.4 MEAN DAILY TEMP. (MDT) (C) 8.2 7.5 8.1 14.1 17.3 22.3 25.2 26.0 21.9 17.6 13.2 8.4 15.8 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 1.5 0.0 48.0 129.5 156.5 57.5 0.0 0.0 0.0 393.0 HEATING DEG. DAYS(BASE 18 0C) 303.0 303.5 307.0 126.5 32.0 0.0 0.0 0.0 10.5 30.5 145.0 297.5 1555.5 DEWPOINT (MEAN C) 4.7 4.3 4.3 9.2 13.0 16.8 19.9 21.6 18.1 14.8 9.7 5.0 11.8 MIXING RATIO (G/KG) 5.30 5.17 5.16 7.30 9.37 12.12 14.63 16.33 13.25 10.57 7.54 5.49 9.35 VAPOUR PRESSURE (HPA) 8.63 8.41 8.40 11.79 15.10 19.39 23.26 25.93 21.19 17.06 12.23 8.96 15.03 SATURATION DEF. (HPA) 2.10 1.97 2.34 4.07 4.92 8.32 8.66 8.10 4.99 3.13 2.87 1.98 4.46 RELATIVE HUMIDITY (MEAN %) 82 82 79 77 77 72 75 78 83 86 83 84 80 RELATIVE HUMIDITY (MAX. %) 92 92 91 89 91 89 90 91 94 95 94 93 92 RELATIVE HUMIDITY (MIN. %) 64 68 65 63 62 54 58 63 66 71 67 68 64 RELATIVE HUMIDITY (MEAN% 03UTC) 89 88 87 86 88 85 84 88 91 94 91 89 88 RELATIVE HUMIDITY (MEAN% 09UTC) 66 74 69 66 67 59 64 65 73 73 69 73 68 RELATIVE HUMIDITY (MEAN% 15UTC) 81 79 77 74 72 64 69 72 81 84 84 84 77 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 42.0 152.7 93.2 34.5 9.6 0.0 53.1 9.3 135.4 49.3 99.0 159.0 837.1 DAYS WITH PRECIPITATION >=10 2 5 3 1 0 0 2 0 6 3 4 6 32 DAYS WITH PRECIPITATION >= 5 3 9 10 2 1 0 4 0 8 5 6 11 59 DAYS WITH PRECIPITATION >= 1 6 14 14 4 2 0 6 4 14 6 9 13 92 DAYS WITH PRECIPITATION 6 16 20 11 9 3 12 6 21 9 11 15 139 GREATEST DAILY PRECIPITATION 14.0 48.0 13.0 22.0 8.0 0.0 25.0 3.0 43.0 11.0 35.0 47.0 48.0 DAY 15 12 24 1 26