STATION ESFAHAN (40800) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 37 N LONGITUDE 51 40 E DATA PROCESSING CENTER ELEVATION 1550.4 M MEANS AND EXTREMES FOR THE YEAR 1951 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 3.5 4.5 9.8 14.4 19.5 25.0 27.4 25.9 23.4 17.3 8.9 3.4 15.3 MINIMUN AIR TEMPERATURE (C) -2.1 -1.3 3.3 6.3 11.0 14.8 16.9 15.9 13.3 8.6 0.7 -2.3 7.1 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 0 0 0 2 0 0 0 0 2 DAYS WITH MINIMUM TEMP. <=-4 9 5 0 0 0 0 0 0 0 0 1 13 28 DAYS WITH FREEZING MIN.<= 0 23 20 6 1 0 0 0 0 0 0 17 24 91 TEMPERATURE RECORDS LOWEST(C) -7.0 -7.0 -2.0 -2.0 6.0 13.0 13.0 11.0 11.0 2.0 -4.0 -7.0 -7.0 DAY 12 1 9 6 5 2 30 23 12 22 25 25 MAXIMUM AIR TEMPERATURE (C) 10.7 11.3 17.5 23.1 28.6 35.2 37.5 36.1 34.6 27.3 19.2 10.9 24.3 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 0 14 30 31 31 30 5 0 0 141 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 17.0 19.0 23.0 28.0 34.0 38.0 41.0 41.0 37.0 33.0 23.0 18.0 41.0 DAY 22 24 29 28 19 26 10 9 1 1 4 1 DIF. BETWEEN (MAX.-MIN.) (C) 12.8 12.6 14.2 16.8 17.6 20.4 20.6 20.2 21.3 18.7 18.5 13.2 17.2 MEAN DAILY TEMP. (MDT) (C) 4.3 5.0 10.4 14.7 19.8 25.0 27.2 26.0 23.9 18.0 9.9 4.3 15.7 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 0.0 29.0 120.0 192.5 155.0 88.5 8.5 0.0 0.0 593.5 HEATING DEG. DAYS(BASE 18 0C) 424.0 364.0 235.0 103.0 26.5 0.0 0.0 0.0 0.0 44.0 241.5 425.0 1863.0 DEWPOINT (MEAN C) -2.9 -3.0 -0.9 2.4 8.8 9.6 11.6 9.3 7.9 5.9 0.4 -2.3 3.9 MIXING RATIO (G/KG) 3.83 3.73 4.42 5.61 8.68 9.21 10.70 9.10 8.16 7.18 4.82 3.92 6.61 VAPOUR PRESSURE (HPA) 5.16 5.02 5.93 7.53 11.59 12.24 14.17 12.11 10.92 9.62 6.50 5.29 8.84 SATURATION DEF. (HPA) 3.04 3.94 6.85 10.07 12.86 21.50 24.71 23.73 20.29 11.76 5.92 3.02 12.31 RELATIVE HUMIDITY (MEAN %) 67 63 52 49 54 41 41 38 41 51 59 69 52 RELATIVE HUMIDITY (MAX. %) 89 86 78 76 78 63 62 61 64 75 82 88 75 RELATIVE HUMIDITY (MIN. %) 43 42 30 27 34 25 26 22 21 31 36 49 32 RELATIVE HUMIDITY (MEAN% 03UTC) 85 81 74 72 75 61 61 59 62 72 80 83 72 RELATIVE HUMIDITY (MEAN% 09UTC) 49 47 37 32 36 27 28 26 24 32 39 54 36 RELATIVE HUMIDITY (MEAN% 15UTC) 60 54 41 38 48 32 34 33 34 45 52 62 44 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 26.4 20.2 9.3 1.1 7.6 0.0 0.0 6.0 0.0 1.0 0.4 22.0 94.0 DAYS WITH PRECIPITATION >=10 1 1 0 0 0 0 0 0 0 0 0 0 2 DAYS WITH PRECIPITATION >= 5 2 2 1 0 0 0 0 1 0 0 0 3 9 DAYS WITH PRECIPITATION >= 1 5 4 4 1 3 0 0 1 0 1 0 4 23 DAYS WITH PRECIPITATION 8 8 6 7 10 0 0 3 0 1 1 6 50 GREATEST DAILY PRECIPITATION 14.0 10.0 5.0 1.0 3.0 0.0 0.0 6.0 0.0 1.0 0.4 8.0 14.0 DAY 8 5 21 20 5 ** ** 11 ** 10 1 22 DAY WITH THUNDER STORM 0 0 1 1 7 0 0 0 0 1 0 0 10 DAYS WITH SNOW OR SLEET 1 3 0 0 0 0 0 0 0 0 0 2 6 DAYS WITH DUST 0 1 1 0 1 0 0 2 0 3 0 0 8 WIND DIRECTION (PREVAILING) 225 225 225 225 225 135 90 135 270 225 90 90 225 PREVAILING WIND SPEED(KNOTS) 6.9 6.5 9.6 8.4 11.5 5.1 6.0 5.1 4.9 11.0 5.3 4.2 8.7 PREVAILING WIND PERCENT 31.6 23.7 23.4 31.3 25.0 20.4 27.5 24.2 27.6 32.7 20.3 28.2 20.2 CALMS PERCENT OF WIND 0.8 0.9 0.8 0.4 0.4 4.2 5.3 6.5 5.9 2.4 2.1 5.2 2.9 NO. OF WIND OBSERVATION 247 224 248 240 248 240 247 248 239 248 237 248 2914 VECTOR WIND DIRECTION (MEAN) 225 237 228 242 258 83 80 76 299 249 197 198 236 VECTOR WIND MAGNITUDE(KNOTS) 1.8 1.2 1.8 2.3 2.6 0.2 1.6 1.7 1.2 4.8 1.0 1.2 1.1 WIND STEADINESES (MEAN %) 35.3 24.0 31.0 39.0 32.1 3.8 28.6 31.5 27.9 60.0 19.6 23.1 19.3 WIND SPEED (MEAN KNOTS) 5.1 5.0 5.8 5.9 8.1 5.2 5.6 5.4 4.3 8.0 5.1 5.2 5.7 FASTEST WIND DIRECTION 330 230 180 210 210 230 230 90 230 230 230 230 210 FASTEST WIND SPEED (KNOTS) 15 25 40 30 45 25 27 40 22 40 27 27 45 DAY 4 20 13 25 5 2 15 26 1 30 8 16 DAYS WITH SKY CLEAR (0-2)/8 17 9 6 9 6 28 30 26 30 22 14 17 214 DAYS WITH P.CLOUDY (3-6)/8 11 14 20 18 22 2 1 5 0 7 13 9 122 DAYS WITH CLOUDY (7-8)/8 3 5 5 3 3 0 0 0 0 2 3 5 29 DAYS WITH VISIBILITY =< 2 KM 2 2 0 0 3 1 0 1 0 1 0 3 13 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION ESFAHAN (40800) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 37 N LONGITUDE 51 40 E DATA PROCESSING CENTER ELEVATION 1550.4 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 844.0 842.9 841.8 843.5 842.8 839.4 839.4 840.5 843.6 844.0 846.0 845.0 842.7 MAX. QFE PRESSURE IN HPA 851.4 850.6 847.3 850.0 848.4 845.2 844.4 846.5 848.3 850.9 851.8 851.3 851.8 DAY-HOUR 11- 6 14- 6 14- 6 29- 6 30- 6 4- 6 26- 6 20- 6 29- 6 15- 6 11- 6 8- 6 MIN. QFE PRESSURE IN HPA 835.4 830.5 833.7 836.4 836.9 833.9 834.0 832.3 838.1 837.9 839.9 832.2 830.5 DAY-HOUR 23-15 5-18 26-12 22-15 3-12 18-15 19-15 5-15 6-15 5-12 27- 9 16-15 MEAN QNH PRESSURE IN HPA 1017.2 1016.0 1014.7 1016.6 1015.9 1011.8 1011.8 1013.1 1016.7 1017.2 1019.5 1018.4 1015.7 MAX. QNH PRESSURE IN HPA 1025.8 1024.9 1021.1 1024.2 1022.3 1018.6 1017.7 1020.1 1022.2 1025.3 1026.3 1025.7 1026.3 DAY-HOUR 11- 6 14- 6 14- 6 29- 6 30- 6 4- 6 26- 6 20- 6 29- 6 15- 6 11- 6 8- 6 MIN. QNH PRESSURE IN HPA 1007.2 1001.5 1005.2 1008.4 1009.0 1005.5 1005.6 1003.6 1010.4 1010.1 1012.5 1003.5 1001.5 DAY-HOUR 23-15 5-18 26-12 22-15 3-12 18-15 19-15 5-15 6-15 5-12 27- 9 16-15 MEAN QFF PRESSURE IN HPA 1017.9 1016.0 1011.1 1010.1 1005.9 998.4 996.9 999.3 1004.4 1008.6 1016.5 1019.2 1008.7 MAX. QFF PRESSURE IN HPA 1029.8 1028.7 1020.2 1018.4 1013.4 1006.3 1004.1 1008.3 1012.0 1019.5 1026.1 1029.6 1029.8 DAY-HOUR 14- 6 14- 6 8- 3 6- 3 30- 3 4- 3 26- 3 20- 3 29- 3 29- 3 29- 3 27- 6 MIN. QFF PRESSURE IN HPA 1002.9 999.2 999.3 1001.0 998.7 991.3 991.3 988.0 997.3 999.3 1009.2 1001.7 988.0 DAY-HOUR 23-21 19-21 30- 0 20-12 26-12 19- 9 19-12 5-21 6-12 5-12 9-12 17- 9 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 843.9 843.0 841.9 843.4 843.2 839.7 839.7 840.7 843.9 844.3 846.2 845.1 842.9 MAX. QFE PRESSURE IN HPA 850.1 848.9 845.7 847.3 846.8 844.0 843.2 845.0 847.5 849.3 850.8 849.8 850.8 DAY 11 14 24 30 30 4 26 21 30 29 11 8 MIN. QFE PRESSURE IN HPA 835.6 832.3 835.7 839.2 838.7 835.4 836.5 833.9 841.1 838.7 840.9 837.2 832.3 DAY 24 6 27 23 3 19 20 6 7 5 27 23 MEAN QNH PRESSURE IN HPA 1017.1 1016.1 1014.8 1016.6 1016.3 1012.2 1012.2 1013.4 1017.1 1017.6 1019.8 1018.5 1016.0 MAX. QNH PRESSURE IN HPA 1024.3 1022.9 1019.2 1021.1 1020.5 1017.2 1016.3 1018.4 1021.3 1023.4 1025.1 1024.0 1025.1 DAY 11 14 24 30 30 4 26 21 30 29 11 8 MIN. QNH PRESSURE IN HPA 1007.5 1003.6 1007.6 1011.6 1011.1 1007.2 1008.5 1005.5 1013.9 1011.1 1013.6 1009.3 1003.6 DAY 24 6 27 23 3 19 20 6 7 5 27 23 MEAN QFF PRESSURE IN HPA 1016.9 1015.6 1010.6 1009.8 1006.4 999.0 997.4 999.2 1004.2 1008.8 1016.0 1018.7 1008.5 MAX. QFF PRESSURE IN HPA 1026.6 1026.0 1017.0 1016.2 1012.3 1004.9 1002.3 1005.4 1009.3 1016.7 1023.8 1026.8 1026.8 DAY 11 14 9 4 30 4 26 21 29 29 11 29 MIN. QFF PRESSURE IN HPA 1004.1 999.7 999.3 1002.9 999.7 993.0 993.9 989.4 1000.8 1000.1 1010.6 1009.5 989.4 DAY 24 20 30 21 29 19 15 6 6 5 27 15 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 844.5 843.6 842.4 844.1 843.7 840.5 840.5 841.4 844.6 844.8 846.7 845.6 843.5 MAX. QFE PRESSURE IN HPA 850.2 849.6 846.3 849.0 847.7 844.6 843.9 845.8 847.6 849.9 850.4 851.1 851.1 DAY 11 14 14 29 30 4 26 20 29 15 29 8 MIN. QFE PRESSURE IN HPA 837.7 833.8 836.4 840.0 839.6 835.8 837.2 834.8 841.6 838.8 840.8 838.1 833.8 DAY 8 20 30 23 3 19 20 6 21 5 27 23 MEAN QNH PRESSURE IN HPA 1017.8 1016.8 1015.4 1017.4 1016.8 1013.1 1013.2 1014.2 1017.9 1018.2 1020.3 1019.1 1016.7 MAX. QNH PRESSURE IN HPA 1024.4 1023.7 1019.9 1023.0 1021.5 1017.9 1017.1 1019.3 1021.4 1024.1 1024.7 1025.5 1025.5 DAY 11 14 14 29 30 4 26 20 29 15 29 8 MIN. QNH PRESSURE IN HPA 1009.9 1005.4 1008.4 1012.6 1012.1 1007.7 1009.3 1006.5 1014.4 1011.2 1013.5 1010.4 1005.4 DAY 8 20 30 23 3 19 20 6 21 5 27 23 MEAN QFF PRESSURE IN HPA 1019.5 1017.9 1012.9 1012.2 1007.9 1000.5 999.5 1001.9 1007.3 1011.6 1019.3 1020.7 1010.9 MAX. QFF PRESSURE IN HPA 1028.2 1028.4 1020.2 1018.4 1013.4 1006.3 1004.1 1008.3 1012.0 1019.5 1026.1 1028.9 1028.9 DAY 11 14 8 6 30 4 26 20 29 29 29 29 MIN. QFF PRESSURE IN HPA 1009.0 1001.2 1002.0 1005.3 1002.7 994.7 995.5 991.9 1004.0 1001.5 1012.5 1007.8 991.9 DAY 8 20 30 21 29 19 20 6 21 5 27 15 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION ESFAHAN (40800) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 37 N LONGITUDE 51 40 E DATA PROCESSING CENTER ELEVATION 1550.4 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 845.5 844.3 843.3 844.8 844.1 840.7 840.7 841.7 845.1 845.5 847.5 846.6 844.2 MAX. QFE PRESSURE IN HPA 851.4 850.6 847.3 850.0 848.4 845.2 844.4 846.5 848.3 850.9 851.8 851.3 851.8 DAY 11 14 14 29 30 4 26 20 29 15 11 8 MIN. QFE PRESSURE IN HPA 840.1 834.1 837.3 840.0 839.4 835.9 837.7 834.9 842.1 840.2 840.4 839.8 834.1 DAY 23 20 30 27 3 19 20 6 21 5 27 23 MEAN QNH PRESSURE IN HPA 1019.0 1017.6 1016.5 1018.2 1017.3 1013.4 1013.4 1014.6 1018.6 1019.0 1021.3 1020.2 1017.4 MAX. QNH PRESSURE IN HPA 1025.8 1024.9 1021.1 1024.2 1022.3 1018.6 1017.7 1020.1 1022.2 1025.3 1026.3 1025.7 1026.3 DAY 11 14 14 29 30 4 26 20 29 15 11 8 MIN. QNH PRESSURE IN HPA 1012.7 1005.7 1009.4 1012.6 1011.9 1007.8 1009.9 1006.6 1015.0 1012.8 1013.0 1012.3 1005.7 DAY 23 20 30 27 3 19 20 6 21 5 27 23 MEAN QFF PRESSURE IN HPA 1020.2 1018.0 1013.1 1011.3 1006.9 999.8 998.2 1000.5 1005.9 1009.8 1018.3 1021.5 1010.3 MAX. QFF PRESSURE IN HPA 1029.8 1028.7 1019.3 1016.9 1012.3 1006.1 1002.9 1006.1 1011.4 1018.1 1026.0 1029.6 1029.8 DAY 14 14 14 6 12 4 26 20 28 29 29 27 MIN. QFF PRESSURE IN HPA 1011.0 1001.1 1003.1 1003.9 1001.4 993.5 994.0 991.6 1001.9 1001.0 1009.7 1010.0 991.6 DAY 23 20 26 27 3 19 20 6 1 5 27 17 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 843.9 843.1 842.0 843.5 842.8 839.6 839.7 840.7 843.8 843.7 845.9 844.8 842.8 MAX. QFE PRESSURE IN HPA 849.7 849.5 845.8 849.3 847.1 843.9 843.2 845.2 846.7 849.6 849.7 849.4 849.7 DAY 14 13 3 29 30 4 11 20 29 28 29 8 MIN. QFE PRESSURE IN HPA 837.6 834.4 836.1 838.7 838.2 834.8 836.8 833.8 840.5 839.2 839.9 833.4 833.4 DAY 23 6 26 22 3 19 19 5 6 5 27 17 MEAN QNH PRESSURE IN HPA 1017.2 1016.1 1014.9 1016.6 1015.8 1012.1 1012.2 1013.3 1016.9 1016.8 1019.4 1018.1 1015.8 MAX. QNH PRESSURE IN HPA 1023.9 1023.6 1019.3 1023.4 1020.8 1017.1 1016.3 1018.6 1020.4 1023.7 1023.9 1023.5 1023.9 DAY 14 13 3 29 30 4 11 20 29 28 29 8 MIN. QNH PRESSURE IN HPA 1009.8 1006.1 1008.0 1011.1 1010.5 1006.5 1008.9 1005.4 1013.2 1011.6 1012.5 1004.9 1004.9 DAY 23 6 26 22 3 19 19 5 6 5 27 17 MEAN QFF PRESSURE IN HPA 1017.0 1015.6 1010.8 1009.5 1005.1 998.3 996.5 998.6 1003.7 1007.1 1015.2 1018.0 1008.0 MAX. QFF PRESSURE IN HPA 1026.4 1026.6 1017.5 1014.6 1011.9 1004.2 1001.8 1004.1 1008.6 1017.2 1021.8 1026.1 1026.6 DAY 14 13 3 5 12 4 26 21 29 28 29 29 MIN. QFF PRESSURE IN HPA 1007.0 1001.7 1000.8 1002.5 999.8 991.3 992.4 989.2 999.0 1000.4 1009.9 1001.7 989.2 DAY 23 20 26 27 3 19 7 6 6 5 27 17 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 842.8 841.9 840.6 842.2 841.6 838.2 838.2 839.3 842.0 842.4 844.6 843.7 841.4 MAX. QFE PRESSURE IN HPA 848.7 848.3 844.5 847.3 845.3 841.6 841.7 843.8 844.4 847.4 848.5 848.0 848.7 DAY 14 13 2 29 30 3 25 20 28 15 29 31 MIN. QFE PRESSURE IN HPA 835.6 834.2 833.7 836.8 836.9 834.1 834.8 832.8 838.9 837.9 840.2 833.2 832.8 DAY 23 6 26 22 3 19 19 5 6 5 27 16 MEAN QNH PRESSURE IN HPA 1015.8 1014.8 1013.2 1015.1 1014.4 1010.5 1010.5 1011.7 1014.9 1015.3 1017.9 1016.9 1014.3 MAX. QNH PRESSURE IN HPA 1022.7 1022.2 1017.8 1021.1 1018.7 1014.4 1014.6 1017.0 1017.7 1021.2 1022.5 1021.9 1022.7 DAY 14 13 2 29 30 3 25 20 28 15 29 31 MIN. QNH PRESSURE IN HPA 1007.5 1005.8 1005.2 1008.9 1009.0 1005.7 1006.5 1004.2 1011.3 1010.1 1012.8 1004.7 1004.2 DAY 23 6 26 22 3 19 19 5 6 5 27 16 MEAN QFF PRESSURE IN HPA 1015.8 1014.1 1009.0 1008.2 1004.3 996.9 995.3 997.3 1001.9 1006.5 1014.1 1017.1 1006.7 MAX. QFF PRESSURE IN HPA 1025.6 1024.6 1016.0 1015.0 1010.2 1002.8 999.9 1003.3 1006.0 1012.5 1021.7 1025.2 1025.6 DAY 14 13 2 4 12 3 26 21 28 28 29 29 MIN. QFF PRESSURE IN HPA 1005.2 1002.8 999.3 1001.0 998.7 991.6 991.3 988.2 997.3 999.3 1009.2 1002.7 988.2 DAY 23 20 26 20 26 18 19 5 6 5 9 16 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION ESFAHAN (40800) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 37 N LONGITUDE 51 40 E DATA PROCESSING CENTER ELEVATION 1550.4 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 843.5 842.1 840.6 842.3 841.5 837.7 837.6 839.0 841.8 842.8 845.0 844.2 841.5 MAX. QFE PRESSURE IN HPA 849.2 848.6 844.8 846.5 845.0 841.6 841.4 843.6 844.6 846.9 848.6 848.9 849.2 DAY 14 13 3 29 29 3 25 20 28 15 29 31 MIN. QFE PRESSURE IN HPA 835.4 832.1 834.0 836.4 837.3 833.9 834.0 832.3 838.1 838.2 841.3 832.2 832.1 DAY 23 5 26 22 3 18 19 5 6 5 21 16 MEAN QNH PRESSURE IN HPA 1016.6 1015.0 1013.3 1015.3 1014.4 1009.9 1009.8 1011.4 1014.6 1015.8 1018.4 1017.4 1014.3 MAX. QNH PRESSURE IN HPA 1023.3 1022.6 1018.2 1020.1 1018.4 1014.4 1014.2 1016.8 1017.9 1020.6 1022.6 1022.9 1023.3 DAY 14 13 3 29 29 3 25 20 28 15 29 31 MIN. QNH PRESSURE IN HPA 1007.2 1003.4 1005.6 1008.4 1009.4 1005.5 1005.6 1003.6 1010.4 1010.5 1014.1 1003.5 1003.4 DAY 23 5 26 22 3 18 19 5 6 5 21 16 MEAN QFF PRESSURE IN HPA 1018.3 1015.9 1010.8 1009.9 1005.2 997.0 995.8 998.9 1003.8 1009.1 1017.2 1019.0 1008.4 MAX. QFF PRESSURE IN HPA 1027.8 1026.1 1017.8 1017.0 1010.5 1003.3 1000.8 1005.6 1008.3 1015.1 1024.3 1026.8 1027.8 DAY 14 13 2 4 12 3 26 20 28 28 29 27 MIN. QFF PRESSURE IN HPA 1006.2 1004.0 1000.7 1002.6 999.6 991.6 991.6 989.6 998.7 1001.5 1011.3 1001.8 989.6 DAY 23 5 26 22 28 18 19 6 6 5 9 16 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 844.0 842.7 841.9 843.7 842.9 839.1 839.1 840.5 843.6 844.2 845.9 845.2 842.7 MAX. QFE PRESSURE IN HPA 849.1 849.1 846.1 847.8 846.7 843.5 842.6 845.1 847.1 848.8 850.5 850.3 850.5 DAY 14 13 14 29 29 3 24 20 29 28 10 31 MIN. QFE PRESSURE IN HPA 835.9 830.5 834.7 838.9 838.4 834.6 835.3 833.2 840.3 839.1 842.5 838.1 830.5 DAY 23 5 26 22 2 10 19 5 20 4 26 22 MEAN QNH PRESSURE IN HPA 1017.3 1015.8 1014.8 1016.9 1016.0 1011.5 1011.5 1013.2 1016.7 1017.4 1019.5 1018.6 1015.8 MAX. QNH PRESSURE IN HPA 1023.2 1023.2 1019.7 1021.6 1020.4 1016.6 1015.6 1018.5 1020.8 1022.8 1024.8 1024.6 1024.8 DAY 14 13 14 29 29 3 24 20 29 28 10 31 MIN. QNH PRESSURE IN HPA 1007.8 1001.5 1006.4 1011.3 1010.7 1006.3 1007.1 1004.7 1012.9 1011.5 1015.5 1010.4 1001.5 DAY 23 5 26 22 2 10 19 5 20 4 26 22 MEAN QFF PRESSURE IN HPA 1018.5 1016.0 1011.4 1010.0 1005.6 997.9 996.4 999.2 1004.2 1008.4 1016.4 1019.9 1008.7 MAX. QFF PRESSURE IN HPA 1027.4 1027.0 1018.2 1016.6 1011.0 1004.2 1001.4 1005.5 1009.7 1016.4 1023.3 1028.8 1028.8 DAY 14 13 14 5 11 3 26 20 28 28 29 31 MIN. QFF PRESSURE IN HPA 1004.7 1001.5 1000.1 1002.4 1000.1 991.9 991.7 989.3 999.7 999.6 1009.6 1011.5 989.3 DAY 23 5 26 20 28 10 19 5 1 4 9 16 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 843.9 842.8 841.9 843.8 843.1 839.5 839.4 840.7 843.9 844.2 846.1 845.2 842.9 MAX. QFE PRESSURE IN HPA 848.6 849.4 845.7 847.7 846.7 844.0 843.0 845.2 847.7 849.1 850.8 850.3 850.8 DAY 10 13 14 29 29 3 25 20 29 28 10 31 MIN. QFE PRESSURE IN HPA 835.7 831.4 835.0 839.0 838.5 834.9 835.7 833.2 840.8 838.5 841.1 837.6 831.4 DAY 23 5 26 22 2 18 19 5 20 4 26 22 MEAN QNH PRESSURE IN HPA 1017.1 1015.8 1014.8 1017.0 1016.2 1012.0 1011.9 1013.4 1017.1 1017.5 1019.7 1018.6 1015.9 MAX. QNH PRESSURE IN HPA 1022.6 1023.5 1019.2 1021.5 1020.4 1017.2 1016.1 1018.6 1021.5 1023.2 1025.1 1024.6 1025.1 DAY 10 13 14 29 29 3 25 20 29 28 10 31 MIN. QNH PRESSURE IN HPA 1007.6 1002.6 1006.8 1011.4 1010.8 1006.6 1007.6 1004.7 1013.5 1010.8 1013.9 1009.8 1002.6 DAY 23 5 26 22 2 18 19 5 20 4 26 22 MEAN QFF PRESSURE IN HPA 1017.1 1015.2 1010.6 1009.8 1005.6 998.3 996.4 998.8 1004.0 1008.0 1015.8 1018.6 1008.2 MAX. QFF PRESSURE IN HPA 1025.6 1026.8 1017.1 1016.8 1011.2 1004.4 1001.4 1005.3 1009.2 1015.5 1022.7 1027.7 1027.7 DAY 11 13 3 5 12 3 25 20 28 28 10 31 MIN. QFF PRESSURE IN HPA 1002.9 999.2 999.8 1003.0 1000.2 991.6 992.2 988.0 1000.3 999.4 1010.1 1009.5 988.0 DAY 23 19 26 20 28 18 19 5 20 4 9 14 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION ESFAHAN (40800) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 37 N LONGITUDE 51 40 E DATA PROCESSING CENTER ELEVATION 1550.4 M MEANS AND EXTREMES FOR THE YEAR 1952 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 1.1 6.5 10.3 15.6 19.9 25.3 27.2 24.7 21.3 14.8 8.2 4.4 14.9 MINIMUN AIR TEMPERATURE (C) -3.6 -0.1 2.6 8.1 11.7 15.3 17.0 14.1 11.4 4.5 0.5 -0.7 6.7 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 0 1 0 0 0 0 0 0 1 DAYS WITH MINIMUM TEMP. <=-4 15 3 1 0 0 0 0 0 0 0 1 2 22 DAYS WITH FREEZING MIN.<= 0 29 19 7 0 0 0 0 0 0 0 14 24 93 TEMPERATURE RECORDS LOWEST(C) -9.0 -6.0 -5.0 2.0 8.0 12.0 13.0 12.0 8.0 1.0 -4.0 -4.0 -9.0 DAY 6 16 6 16 2 14 25 18 24 28 16 18 MAXIMUM AIR TEMPERATURE (C) 7.3 14.2 18.3 23.6 28.4 35.4 37.4 35.0 32.0 26.9 17.7 11.8 24.0 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 2 14 30 31 31 25 2 0 0 135 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 14.0 19.0 27.0 32.0 36.0 41.0 41.0 37.0 36.0 31.0 25.0 17.0 41.0 DAY 24 7 31 6 31 29 8 11 1 2 4 11 DIF. BETWEEN (MAX.-MIN.) (C) 10.9 14.3 15.7 15.5 16.7 20.1 20.4 20.9 20.6 22.4 17.2 12.5 17.3 MEAN DAILY TEMP. (MDT) (C) 1.9 7.0 10.5 15.9 20.0 25.3 27.2 24.5 21.7 15.7 9.1 5.5 15.4 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 0.0 28.5 130.0 192.5 109.5 29.0 0.0 0.0 0.0 489.5 HEATING DEG. DAYS(BASE 18 0C) 500.5 318.5 234.0 76.0 12.5 0.0 0.0 0.0 0.0 73.5 266.5 387.0 1868.5 DEWPOINT (MEAN C) -3.2 -2.2 -2.1 5.6 10.6 11.7 10.6 8.6 8.9 3.0 0.1 0.3 4.3 MIXING RATIO (G/KG) 3.64 3.96 4.15 7.00 9.76 10.86 9.79 8.61 8.69 5.73 4.67 4.70 6.80 VAPOUR PRESSURE (HPA) 4.92 5.32 5.56 9.36 13.01 14.37 12.99 11.47 11.64 7.73 6.30 6.36 9.09 SATURATION DEF. (HPA) 1.97 4.92 7.85 9.52 11.80 19.95 25.35 21.73 15.75 10.93 5.65 2.35 11.48 RELATIVE HUMIDITY (MEAN %) 75 57 46 55 58 46 39 39 49 50 61 77 54 RELATIVE HUMIDITY (MAX. %) 90 80 71 78 78 68 62 63 74 78 85 92 77 RELATIVE HUMIDITY (MIN. %) 55 34 25 35 40 31 22 24 29 25 38 56 35 RELATIVE HUMIDITY (MEAN% 03UTC) 86 77 67 71 74 61 60 62 72 78 81 90 73 RELATIVE HUMIDITY (MEAN% 09UTC) 61 42 30 41 44 34 24 25 32 29 43 60 39 RELATIVE HUMIDITY (MEAN% 15UTC) 72 46 34 46 49 39 30 33 42 46 55 72 47 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 50.4 14.4 12.1 7.9 14.0 0.0 0.0 0.0 2.0 0.0 0.1 23.5 124.4 DAYS WITH PRECIPITATION >=10 3 1 0 0 0 0 0 0 0 0 0 0 4 DAYS WITH PRECIPITATION >= 5 4 1 2 1 2 0 0 0 0 0 0 2 12 DAYS WITH PRECIPITATION >= 1 5 2 3 3 4 0 0 0 1 0 0 6 24 DAYS WITH PRECIPITATION 6 2 4 9 5 0 1 0 4 0 3 6 40 GREATEST DAILY PRECIPITATION 18.0 13.4 5.0 5.0 6.0 0.0 0.0 0.0 2.0 0.0 0.1 6.5 18.0 DAY 3 23 2 14 7 ** ** ** 11 ** 21 15 DAY WITH THUNDER STORM 0 0 0 1 1 0 0 0 0 0 0 0 2 DAYS WITH SNOW OR SLEET 4 0 0 0 0 0 0 0 0 0 0 0 4 DAYS WITH DUST 0 0 2 1 2 1 1 0 0 0 0 0 7 WIND DIRECTION (PREVAILING) 270 225 225 225 270 270 135 135 135 135 135 135 135 PREVAILING WIND SPEED(KNOTS) 3.3 9.3 13.0 13.6 6.6 4.9 5.1 4.9 4.6 3.4 4.0 3.1 4.7 PREVAILING WIND PERCENT 25.4 22.4 35.2 25.8 37.5 26.7 39.5 48.8 28.8 27.2 31.3 41.5 23.3 CALMS PERCENT OF WIND 4.0 1.3 0.4 0.0 0.0 0.0 2.0 8.1 15.8 13.0 2.9 8.9 4.7 NO. OF WIND OBSERVATION 248 232 247 240 248 240 248 248 240 246 240 248 2925 VECTOR WIND DIRECTION (MEAN) 270 228 226 219 244 280 103 105 92 108 109 117 194 VECTOR WIND MAGNITUDE(KNOTS) 0.9 2.1 5.4 4.2 4.1 1.3 2.5 3.2 1.4 1.1 1.2 1.7 1.1 WIND STEADINESES (MEAN %) 25.7 28.8 62.1 41.6 50.6 21.3 50.0 72.7 34.1 34.4 24.0 56.7 19.3 WIND SPEED (MEAN KNOTS) 3.5 7.3 8.7 10.1 8.1 6.1 5.0 4.4 4.1 3.2 5.0 3.0 5.7 FASTEST WIND DIRECTION 210 120 210 180 230 210 120 90 90 330 270 120 180 FASTEST WIND SPEED (KNOTS) 15 40 33 45 33 30 25 20 30 20 25 15 45 DAY 11 22 4 14 5 9 14 13 18 23 13 12 DAYS WITH SKY CLEAR (0-2)/8 14 14 16 12 13 28 25 27 24 26 18 13 230 DAYS WITH P.CLOUDY (3-6)/8 8 12 10 10 13 2 6 4 6 5 10 10 96 DAYS WITH CLOUDY (7-8)/8 9 3 5 8 5 0 0 0 0 0 2 8 40 DAYS WITH VISIBILITY =< 2 KM 6 0 1 2 1 0 1 0 1 0 1 5 18 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION ESFAHAN (40800) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 37 N LONGITUDE 51 40 E DATA PROCESSING CENTER ELEVATION 1550.4 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 844.8 841.9 840.8 842.7 842.5 839.1 838.6 840.7 844.9 847.3 846.1 848.0 843.1 MAX. QFE PRESSURE IN HPA 852.3 848.6 848.8 848.7 849.0 848.0 843.0 846.5 850.8 852.1 852.9 855.9 855.9 DAY-HOUR 1- 6 8- 6 27- 6 4- 6 12- 6 4- 6 13-15 16- 6 28- 6 31- 6 19- 6 7- 6 MIN. QFE PRESSURE IN HPA 835.1 832.5 833.0 835.6 837.7 832.1 834.9 836.0 837.5 841.2 841.2 842.4 832.1 DAY-HOUR 11-12 12-12 24-12 14-12 4-12 24-15 14-15 6-15 30- 0 13-15 13-12 28-12 MEAN QNH PRESSURE IN HPA 1018.2 1014.8 1013.5 1015.7 1015.5 1011.5 1010.9 1013.4 1018.3 1021.0 1019.7 1021.9 1016.2 MAX. QNH PRESSURE IN HPA 1026.9 1022.6 1022.8 1022.7 1023.0 1021.9 1016.1 1020.1 1025.1 1026.7 1027.6 1031.1 1031.1 DAY-HOUR 1- 6 8- 6 27- 6 4- 6 12- 6 4- 6 13-15 16- 6 28- 6 31- 6 19- 6 7- 6 MIN. QNH PRESSURE IN HPA 1006.9 1003.8 1004.4 1007.5 1009.9 1003.4 1006.6 1007.9 1009.7 1014.0 1014.0 1015.4 1003.4 DAY-HOUR 11-12 12-12 24-12 14-12 4-12 24-15 14-15 6-15 30- 0 13-15 13-12 28-12 MEAN QFF PRESSURE IN HPA 1020.6 1013.5 1009.6 1008.2 1005.1 997.8 996.2 1000.3 1007.3 1014.3 1017.3 1022.0 1009.3 MAX. QFF PRESSURE IN HPA 1031.8 1020.8 1020.8 1016.4 1014.6 1009.5 1003.1 1008.0 1016.7 1023.2 1028.3 1032.2 1032.2 DAY-HOUR 1- 6 16- 3 15- 3 4- 6 12- 6 4- 6 23- 6 16- 3 28- 3 28- 3 16- 6 7- 6 MIN. QFF PRESSURE IN HPA 1006.9 998.9 997.5 999.3 996.7 989.2 991.8 995.2 998.9 1006.6 1007.5 1013.3 989.2 DAY-HOUR 11-12 12- 9 24-12 14-12 24-12 20-18 13-12 7-12 30- 0 7-12 13-12 28-12 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 844.8 842.1 840.8 842.9 842.6 839.5 838.9 841.0 844.8 847.5 846.5 848.0 843.3 MAX. QFE PRESSURE IN HPA 850.6 847.7 846.5 847.2 846.8 846.3 841.4 845.0 849.3 850.4 850.9 854.2 854.2 DAY 1 7 15 5 12 4 23 16 28 2 19 7 MIN. QFE PRESSURE IN HPA 836.9 833.5 833.7 836.2 838.4 834.6 836.8 837.7 837.5 842.7 842.1 842.5 833.5 DAY 11 23 2 24 24 25 14 7 30 14 14 15 MEAN QNH PRESSURE IN HPA 1018.2 1015.0 1013.5 1015.9 1015.6 1012.0 1011.2 1013.7 1018.1 1021.3 1020.1 1021.8 1016.4 MAX. QNH PRESSURE IN HPA 1024.9 1021.5 1020.1 1021.0 1020.5 1019.9 1014.2 1018.4 1023.4 1024.7 1025.3 1029.1 1029.1 DAY 1 7 15 5 12 4 23 16 28 2 19 7 MIN. QNH PRESSURE IN HPA 1009.0 1005.0 1005.2 1008.2 1010.7 1006.3 1008.9 1009.9 1009.7 1015.7 1015.0 1015.5 1005.0 DAY 11 23 2 24 24 25 14 7 30 14 14 15 MEAN QFF PRESSURE IN HPA 1020.1 1013.0 1009.3 1008.2 1005.3 998.5 996.4 1000.4 1006.7 1013.8 1017.0 1021.3 1009.2 MAX. QFF PRESSURE IN HPA 1028.5 1018.2 1017.0 1014.3 1011.7 1006.8 1000.8 1004.8 1013.1 1018.9 1025.1 1027.7 1028.5 DAY 1 7 15 5 7 5 31 16 28 28 16 7 MIN. QFF PRESSURE IN HPA 1007.8 999.2 998.9 1000.5 997.0 992.3 992.9 996.6 998.9 1008.3 1008.9 1014.2 992.3 DAY 11 23 2 24 24 25 14 7 30 14 14 15 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 845.2 842.4 841.5 843.4 843.2 840.1 839.7 841.7 845.5 848.0 846.9 848.3 843.8 MAX. QFE PRESSURE IN HPA 852.1 847.7 847.6 847.7 848.0 847.4 842.2 846.1 850.0 851.0 851.6 854.7 854.7 DAY 1 7 27 5 12 4 23 16 28 17 19 7 MIN. QFE PRESSURE IN HPA 836.6 833.1 834.1 837.2 838.9 835.0 837.4 838.4 838.2 843.4 842.6 842.7 833.1 DAY 11 23 2 24 1 25 13 7 30 14 14 28 MEAN QNH PRESSURE IN HPA 1018.6 1015.3 1014.3 1016.5 1016.3 1012.7 1012.2 1014.5 1018.9 1021.9 1020.6 1022.2 1017.0 MAX. QNH PRESSURE IN HPA 1026.7 1021.5 1021.4 1021.5 1021.9 1021.2 1015.1 1019.7 1024.2 1025.4 1026.1 1029.7 1029.7 DAY 1 7 27 5 12 4 23 16 28 17 19 7 MIN. QNH PRESSURE IN HPA 1008.6 1004.5 1005.7 1009.3 1011.3 1006.8 1009.6 1010.7 1010.5 1016.5 1015.6 1015.7 1004.5 DAY 11 23 2 24 1 25 13 7 30 14 14 28 MEAN QFF PRESSURE IN HPA 1021.8 1015.1 1011.6 1010.1 1006.7 999.8 998.3 1002.9 1009.7 1017.5 1019.9 1023.2 1011.4 MAX. QFF PRESSURE IN HPA 1031.4 1020.8 1020.8 1015.7 1013.1 1009.1 1002.7 1008.0 1016.7 1023.2 1027.8 1030.7 1031.4 DAY 1 16 15 4 12 4 30 16 28 28 16 7 MIN. QFF PRESSURE IN HPA 1007.9 1000.0 1001.3 1003.0 999.0 993.7 995.1 998.9 1002.5 1011.9 1012.9 1014.9 993.7 DAY 11 23 2 24 24 25 13 7 30 14 14 28 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION ESFAHAN (40800) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 37 N LONGITUDE 51 40 E DATA PROCESSING CENTER ELEVATION 1550.4 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 846.0 843.3 842.3 844.0 843.7 840.4 839.8 842.2 846.6 848.9 847.6 849.4 844.5 MAX. QFE PRESSURE IN HPA 852.3 848.6 848.8 848.7 849.0 848.0 842.8 846.5 850.8 852.1 852.9 855.9 855.9 DAY 1 8 27 4 12 4 23 16 28 31 19 7 MIN. QFE PRESSURE IN HPA 837.5 834.0 836.2 838.5 839.5 835.6 837.5 839.1 844.3 844.1 843.4 844.3 834.0 DAY 11 12 4 14 24 24 13 7 4 8 14 28 MEAN QNH PRESSURE IN HPA 1019.5 1016.5 1015.3 1017.3 1016.8 1013.0 1012.4 1015.1 1020.2 1022.9 1021.4 1023.5 1017.8 MAX. QNH PRESSURE IN HPA 1026.9 1022.6 1022.8 1022.7 1023.0 1021.9 1015.8 1020.1 1025.1 1026.7 1027.6 1031.1 1031.1 DAY 1 8 27 4 12 4 23 16 28 31 19 7 MIN. QNH PRESSURE IN HPA 1009.7 1005.6 1008.2 1010.8 1012.0 1007.5 1009.7 1011.5 1017.6 1017.3 1016.5 1017.6 1005.6 DAY 11 12 4 14 24 24 13 7 4 8 14 28 MEAN QFF PRESSURE IN HPA 1022.6 1015.6 1011.4 1009.8 1006.5 999.2 997.4 1001.9 1008.8 1015.9 1019.0 1024.4 1011.0 MAX. QFF PRESSURE IN HPA 1031.8 1020.7 1019.8 1016.4 1014.6 1009.5 1003.1 1007.1 1014.1 1022.0 1028.3 1032.2 1032.2 DAY 1 9 15 4 12 4 23 16 28 28 16 7 MIN. QFF PRESSURE IN HPA 1009.5 1001.6 1000.4 1002.4 1000.0 993.0 995.1 998.0 1004.6 1008.2 1011.9 1016.5 993.0 DAY 11 12 24 14 24 24 13 7 5 8 14 28 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 844.8 842.2 841.0 842.8 842.6 839.3 838.9 841.1 845.3 847.4 846.1 848.2 843.3 MAX. QFE PRESSURE IN HPA 849.9 847.0 848.4 847.7 847.7 846.6 841.9 845.1 849.4 850.6 851.6 854.3 854.3 DAY 1 8 27 4 12 4 23 16 28 2 19 7 MIN. QFE PRESSURE IN HPA 836.3 832.6 834.5 836.9 839.0 834.1 836.2 838.1 843.1 842.8 842.0 843.6 832.6 DAY 11 12 24 14 1 24 13 6 4 8 14 28 MEAN QNH PRESSURE IN HPA 1018.2 1015.1 1013.7 1015.8 1015.6 1011.8 1011.3 1013.8 1018.7 1021.2 1019.7 1022.1 1016.4 MAX. QNH PRESSURE IN HPA 1024.1 1020.7 1022.3 1021.5 1021.5 1020.3 1014.8 1018.5 1023.5 1024.9 1026.1 1029.2 1029.2 DAY 1 8 27 4 12 4 23 16 28 2 19 7 MIN. QNH PRESSURE IN HPA 1008.3 1004.0 1006.2 1009.0 1011.4 1005.7 1008.2 1010.4 1016.2 1015.8 1014.9 1016.8 1004.0 DAY 11 12 24 14 1 24 13 6 4 8 14 28 MEAN QFF PRESSURE IN HPA 1020.0 1013.1 1009.1 1007.6 1004.6 997.7 996.0 999.8 1006.6 1013.3 1016.2 1021.4 1008.8 MAX. QFF PRESSURE IN HPA 1028.2 1020.1 1017.8 1013.7 1012.1 1006.9 1000.3 1004.4 1011.7 1017.9 1025.7 1027.5 1028.2 DAY 1 9 27 4 12 4 23 23 28 31 19 7 MIN. QFF PRESSURE IN HPA 1008.2 998.9 998.4 1000.6 998.1 991.3 992.4 996.0 1002.5 1006.7 1009.4 1015.1 991.3 DAY 11 12 24 14 24 24 13 6 5 8 14 28 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 843.9 840.7 839.7 841.3 841.2 837.8 837.5 839.5 843.7 845.9 844.8 846.9 841.9 MAX. QFE PRESSURE IN HPA 848.5 845.3 846.6 845.9 846.2 844.8 840.2 843.6 847.2 849.3 849.9 852.7 852.7 DAY 1 8 27 4 6 4 30 16 30 17 19 7 MIN. QFE PRESSURE IN HPA 835.1 832.5 833.0 835.6 837.7 832.5 835.1 836.7 841.8 841.9 841.2 842.4 832.5 DAY 11 12 24 14 4 24 13 6 4 8 13 28 MEAN QNH PRESSURE IN HPA 1017.1 1013.4 1012.3 1014.0 1014.0 1010.1 1009.6 1012.0 1016.9 1019.5 1018.1 1020.7 1014.8 MAX. QNH PRESSURE IN HPA 1022.5 1018.7 1020.3 1019.4 1019.8 1018.2 1012.8 1016.8 1021.0 1023.4 1024.1 1027.4 1027.4 DAY 1 8 27 4 6 4 30 16 30 17 19 7 MIN. QNH PRESSURE IN HPA 1006.9 1003.8 1004.4 1007.5 1009.9 1003.8 1006.9 1008.7 1014.7 1014.8 1014.0 1015.4 1003.8 DAY 11 12 24 14 4 24 13 6 4 8 13 28 MEAN QFF PRESSURE IN HPA 1018.9 1011.2 1007.9 1006.1 1003.3 995.9 994.7 998.4 1005.3 1011.8 1014.9 1020.0 1007.4 MAX. QFF PRESSURE IN HPA 1026.7 1016.5 1015.4 1012.2 1012.2 1004.4 999.5 1003.4 1010.4 1017.2 1024.3 1025.8 1026.7 DAY 1 9 14 4 6 4 30 23 30 31 16 7 MIN. QFF PRESSURE IN HPA 1006.9 999.9 997.5 999.3 996.7 989.6 991.8 995.2 1001.7 1006.6 1007.5 1013.3 989.6 DAY 11 12 24 14 24 24 13 7 4 7 13 28 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION ESFAHAN (40800) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 37 N LONGITUDE 51 40 E DATA PROCESSING CENTER ELEVATION 1550.4 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 844.3 841.1 839.6 841.4 841.2 837.2 837.1 839.1 843.7 846.0 845.1 847.4 841.9 MAX. QFE PRESSURE IN HPA 848.4 845.8 846.4 845.6 846.1 843.9 843.0 842.8 847.3 849.6 849.8 853.0 853.0 DAY 1 6 27 4 12 4 13 16 30 27 19 7 MIN. QFE PRESSURE IN HPA 835.3 833.0 833.3 836.3 837.8 832.1 834.9 836.0 841.5 841.2 841.3 843.2 832.1 DAY 11 12 11 23 4 24 14 6 3 13 28 28 MEAN QNH PRESSURE IN HPA 1017.6 1013.9 1012.1 1014.2 1013.9 1009.4 1009.2 1011.5 1016.9 1019.6 1018.5 1021.2 1014.8 MAX. QNH PRESSURE IN HPA 1022.3 1019.3 1020.0 1019.1 1019.7 1017.1 1016.1 1015.8 1021.1 1023.7 1024.0 1027.7 1027.7 DAY 1 6 27 4 12 4 13 16 30 27 19 7 MIN. QNH PRESSURE IN HPA 1007.1 1004.4 1004.8 1008.3 1010.0 1003.4 1006.6 1007.9 1014.3 1014.0 1014.1 1016.3 1003.4 DAY 11 12 11 23 4 24 14 6 3 13 28 28 MEAN QFF PRESSURE IN HPA 1020.6 1013.6 1009.3 1007.6 1004.0 996.0 995.3 999.6 1007.4 1015.0 1017.6 1022.0 1009.0 MAX. QFF PRESSURE IN HPA 1027.4 1019.0 1018.2 1013.1 1011.7 1004.2 1001.9 1004.5 1013.2 1021.3 1026.1 1028.6 1028.6 DAY 1 15 14 16 6 4 13 16 30 27 19 7 MIN. QFF PRESSURE IN HPA 1007.1 1001.9 1000.5 1001.3 997.9 989.8 992.2 995.8 1003.3 1009.0 1011.9 1015.7 989.8 DAY 11 12 24 23 24 24 14 6 2 13 13 28 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 844.9 841.9 840.7 842.9 842.8 838.9 838.4 840.6 845.0 847.1 846.0 848.1 843.1 MAX. QFE PRESSURE IN HPA 848.2 847.4 847.0 846.9 847.9 846.2 841.2 844.4 849.3 850.4 850.6 853.8 853.8 DAY 21 6 27 4 12 3 30 15 30 31 19 6 MIN. QFE PRESSURE IN HPA 836.9 833.5 834.2 838.2 838.9 833.9 836.0 837.0 842.3 842.3 842.1 843.6 833.5 DAY 11 12 1 23 4 24 13 6 4 13 28 14 MEAN QNH PRESSURE IN HPA 1018.2 1014.8 1013.4 1015.9 1015.8 1011.3 1010.7 1013.3 1018.4 1020.9 1019.5 1022.0 1016.2 MAX. QNH PRESSURE IN HPA 1022.1 1021.2 1020.7 1020.6 1021.8 1019.8 1014.0 1017.7 1023.4 1024.7 1024.9 1028.6 1028.6 DAY 21 6 27 4 12 3 30 15 30 31 19 6 MIN. QNH PRESSURE IN HPA 1009.0 1005.0 1005.8 1010.5 1011.3 1005.5 1007.9 1009.1 1015.3 1015.3 1015.0 1016.8 1005.0 DAY 11 12 1 23 4 24 13 6 4 13 28 14 MEAN QFF PRESSURE IN HPA 1021.2 1013.8 1009.5 1008.5 1005.5 997.5 995.9 1000.2 1007.1 1013.8 1017.1 1022.8 1009.4 MAX. QFF PRESSURE IN HPA 1026.9 1019.5 1018.6 1014.0 1013.2 1007.4 1000.5 1004.4 1013.7 1019.1 1026.0 1028.9 1028.9 DAY 6 6 14 4 12 4 30 22 30 27 19 7 MIN. QFF PRESSURE IN HPA 1010.0 1000.2 1000.6 1003.4 999.2 989.2 992.6 996.1 1002.3 1006.8 1010.1 1016.3 989.2 DAY 11 22 24 11 23 20 13 6 4 7 13 27 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 844.7 841.9 840.8 842.9 842.7 839.3 838.7 840.9 845.2 847.3 846.3 847.9 843.2 MAX. QFE PRESSURE IN HPA 848.2 847.5 846.6 847.2 847.0 846.4 841.4 844.4 849.9 850.4 850.4 854.0 854.0 DAY 21 6 14 4 12 3 22 15 30 16 19 6 MIN. QFE PRESSURE IN HPA 837.2 833.8 834.1 836.6 838.1 834.1 836.4 837.3 842.7 842.2 842.5 842.6 833.8 DAY 10 12 1 23 23 24 13 6 4 13 13 14 MEAN QNH PRESSURE IN HPA 1018.1 1014.8 1013.5 1015.9 1015.7 1011.8 1011.1 1013.6 1018.6 1021.1 1019.9 1021.8 1016.3 MAX. QNH PRESSURE IN HPA 1022.1 1021.3 1020.3 1021.0 1020.7 1020.0 1014.2 1017.7 1024.1 1024.7 1024.7 1028.9 1028.9 DAY 21 6 14 4 12 3 22 15 30 16 19 6 MIN. QNH PRESSURE IN HPA 1009.3 1005.4 1005.7 1008.6 1010.4 1005.7 1008.4 1009.4 1015.7 1015.1 1015.5 1015.6 1005.4 DAY 10 12 1 23 23 24 13 6 4 13 13 14 MEAN QFF PRESSURE IN HPA 1019.8 1012.8 1008.8 1007.9 1004.9 997.9 995.9 999.7 1006.7 1013.2 1016.5 1021.2 1008.8 MAX. QFF PRESSURE IN HPA 1026.3 1018.4 1018.2 1013.7 1012.9 1006.9 999.7 1004.3 1013.8 1018.8 1025.4 1027.2 1027.2 DAY 5 6 14 4 6 3 22 22 30 27 19 6 MIN. QFF PRESSURE IN HPA 1008.3 999.8 1000.1 1001.7 997.3 990.5 992.4 995.2 1002.1 1007.4 1009.2 1014.1 990.5 DAY 10 11 1 23 23 24 13 6 4 13 13 14 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION ESFAHAN (40800) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 37 N LONGITUDE 51 40 E DATA PROCESSING CENTER ELEVATION 1550.4 M MEANS AND EXTREMES FOR THE YEAR 1953 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 4.2 6.9 8.6 15.3 19.7 24.9 28.0 25.8 21.9 15.3 9.0 3.1 15.2 MINIMUN AIR TEMPERATURE (C) -1.5 0.8 2.1 8.2 11.8 14.9 17.8 15.0 10.7 5.9 1.9 -2.0 7.1 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 0 0 3 0 0 0 0 0 3 DAYS WITH MINIMUM TEMP. <=-4 6 1 1 0 0 0 0 0 0 0 2 10 20 DAYS WITH FREEZING MIN.<= 0 23 12 11 0 0 0 0 0 0 1 9 21 77 TEMPERATURE RECORDS LOWEST(C) -6.0 -4.0 -4.0 4.0 8.0 10.0 14.0 12.0 7.0 0.0 -4.0 -10.0 -10.0 DAY 15 14 26 1 10 1 15 20 28 29 22 24 MAXIMUM AIR TEMPERATURE (C) 11.4 14.2 15.5 23.1 28.1 34.5 37.8 36.0 33.4 25.4 16.8 9.5 23.8 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 0 4 27 31 31 28 9 0 0 130 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 16.0 21.0 21.0 28.0 31.0 39.0 40.0 39.0 37.0 32.0 22.0 15.0 40.0 DAY 11 19 11 30 18 23 3 1 10 1 4 1 DIF. BETWEEN (MAX.-MIN.) (C) 12.9 13.4 13.4 14.9 16.3 19.6 20.0 21.0 22.7 19.5 14.9 11.5 16.7 MEAN DAILY TEMP. (MDT) (C) 5.0 7.5 8.8 15.6 20.0 24.7 27.8 25.5 22.0 15.7 9.4 3.8 15.5 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 0.0 3.5 117.5 211.5 138.5 40.5 0.0 0.0 0.0 511.5 HEATING DEG. DAYS(BASE 18 0C) 404.0 294.5 285.0 74.5 0.0 0.5 0.0 0.0 0.0 81.0 258.5 441.0 1839.0 DEWPOINT (MEAN C) -3.1 -0.8 -1.2 5.1 8.3 10.2 12.9 10.4 9.5 7.0 3.6 -1.3 5.0 MIXING RATIO (G/KG) 3.72 4.44 4.38 6.64 8.30 9.60 11.46 9.73 9.04 7.62 6.04 4.29 7.11 VAPOUR PRESSURE (HPA) 5.03 5.96 5.89 8.91 11.09 12.75 15.14 12.93 12.08 10.23 8.13 5.78 9.49 SATURATION DEF. (HPA) 3.55 4.45 5.80 9.29 12.89 21.12 25.07 22.62 16.66 8.91 3.97 2.17 11.37 RELATIVE HUMIDITY (MEAN %) 63 61 53 54 51 44 42 41 49 63 71 75 56 RELATIVE HUMIDITY (MAX. %) 84 83 75 78 74 67 66 67 74 85 89 89 78 RELATIVE HUMIDITY (MIN. %) 38 41 36 34 31 22 24 23 27 39 50 56 35 RELATIVE HUMIDITY (MEAN% 03UTC) 77 77 71 74 70 64 65 65 73 83 86 86 74 RELATIVE HUMIDITY (MEAN% 09UTC) 47 49 40 39 34 26 27 27 30 42 53 62 40 RELATIVE HUMIDITY (MEAN% 15UTC) 54 52 48 43 44 39 37 36 46 58 71 74 50 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 15.0 31.1 24.5 26.3 9.2 0.0 0.0 0.0 0.5 13.2 14.6 9.5 143.9 DAYS WITH PRECIPITATION >=10 0 2 0 1 0 0 0 0 0 0 1 0 4 DAYS WITH PRECIPITATION >= 5 1 2 3 2 1 0 0 0 0 2 1 1 13 DAYS WITH PRECIPITATION >= 1 3 5 5 5 3 0 0 0 0 3 4 4 32 DAYS WITH PRECIPITATION 4 6 8 9 8 0 1 0 1 6 9 11 63 GREATEST DAILY PRECIPITATION 8.0 16.0 7.2 15.0 6.0 0.0 0.0 0.0 0.5 7.0 10.0 5.0 16.0 DAY 23 24 20 8 23 ** ** ** 25 30 12 14 DAY WITH THUNDER STORM 0 0 0 2 3 0 0 0 0 0 0 0 5 DAYS WITH SNOW OR SLEET 0 0 1 0 0 0 0 0 0 0 0 0 1 DAYS WITH DUST 0 0 0 1 0 0 0 2 0 1 0 0 4 WIND DIRECTION (PREVAILING) 135 180 225 270 270 270 135 135 45 135 135 90 135 PREVAILING WIND SPEED(KNOTS) 3.4 4.5 10.0 8.8 7.3 3.6 5.0 5.0 4.4 4.5 5.2 3.9 4.5 PREVAILING WIND PERCENT 25.5 23.8 24.2 19.6 29.8 29.6 21.0 39.1 23.3 23.8 27.1 19.8 19.1 CALMS PERCENT OF WIND 0.8 0.9 0.4 0.8 0.8 2.5 2.4 2.8 3.8 1.6 1.7 1.6 1.7 NO. OF WIND OBSERVATION 247 223 248 240 248 240 248 248 240 248 240 247 2917 VECTOR WIND DIRECTION (MEAN) 209 214 240 233 260 313 86 97 74 96 143 87 192 VECTOR WIND MAGNITUDE(KNOTS) 1.4 2.5 3.6 2.1 2.4 0.9 1.4 2.8 1.4 1.2 1.5 0.8 0.6 WIND STEADINESES (MEAN %) 29.2 46.3 52.9 31.3 33.3 21.4 31.1 62.2 38.9 25.0 28.3 21.1 11.8 WIND SPEED (MEAN KNOTS) 4.8 5.4 6.8 6.7 7.2 4.2 4.5 4.5 3.6 4.8 5.3 3.8 5.1 FASTEST WIND DIRECTION 330 270 210 210 210 210 90 50 120 330 180 230 210 FASTEST WIND SPEED (KNOTS) 20 20 27 33 30 15 15 20 15 25 20 15 33 DAY 12 7 13 21 7 14 3 4 3 24 18 22 DAYS WITH SKY CLEAR (0-2)/8 12 10 14 9 10 26 24 28 27 22 13 8 203 DAYS WITH P.CLOUDY (3-6)/8 12 9 10 13 19 4 7 3 3 5 8 18 111 DAYS WITH CLOUDY (7-8)/8 7 9 7 8 2 0 0 0 0 4 9 5 51 DAYS WITH VISIBILITY =< 2 KM 0 1 3 0 0 0 3 5 0 0 1 7 20 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION ESFAHAN (40800) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 37 N LONGITUDE 51 40 E DATA PROCESSING CENTER ELEVATION 1550.4 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 845.1 842.8 841.8 843.4 842.3 839.2 837.8 840.2 843.5 846.7 845.8 844.6 842.8 MAX. QFE PRESSURE IN HPA 854.3 854.0 852.6 850.3 846.3 847.0 844.6 849.3 849.7 853.5 853.3 849.8 854.3 DAY-HOUR 2- 6 15-15 28- 6 1- 6 19-18 5- 6 18- 6 30- 6 21- 6 26- 6 10- 6 2- 6 MIN. QFE PRESSURE IN HPA 835.6 832.7 834.6 836.7 836.7 831.2 831.3 832.8 837.6 841.8 839.8 836.9 831.2 DAY-HOUR 11-12 1- 3 3-12 11-12 8-12 30-15 5-15 1-15 18-15 3-15 19-21 21- 0 MEAN QNH PRESSURE IN HPA 1018.5 1015.9 1014.6 1016.5 1015.3 1011.7 1010.0 1012.8 1016.6 1020.4 1019.3 1018.0 1015.8 MAX. QNH PRESSURE IN HPA 1029.2 1028.9 1027.2 1024.6 1019.9 1020.7 1017.9 1023.4 1023.9 1028.3 1028.1 1024.0 1029.2 DAY-HOUR 2- 6 15-15 28- 6 1- 6 19-18 5- 6 18- 6 30- 6 21- 6 26- 6 10- 6 2- 6 MIN. QNH PRESSURE IN HPA 1007.5 1004.1 1006.3 1008.7 1008.7 1002.3 1002.5 1004.2 1009.8 1014.7 1012.3 1009.0 1002.3 DAY-HOUR 11-12 1- 3 3-12 11-12 8-12 30-15 5-15 1-15 18-15 3-15 19-21 21- 0 MEAN QFF PRESSURE IN HPA 1018.8 1014.2 1011.8 1009.3 1005.1 998.4 994.6 998.9 1005.1 1013.1 1016.2 1018.9 1008.7 MAX. QFF PRESSURE IN HPA 1032.6 1030.0 1025.9 1020.4 1012.3 1010.0 1005.0 1011.3 1013.5 1024.8 1028.1 1028.2 1032.6 DAY-HOUR 2- 6 15-18 28- 3 1- 6 25- 3 1- 3 18- 3 31- 3 21- 3 27- 6 10- 3 23- 6 MIN. QFF PRESSURE IN HPA 1005.0 1002.8 1000.6 1001.1 996.5 986.2 986.3 988.0 996.8 1005.1 1005.3 1007.2 986.2 DAY-HOUR 12- 0 2- 9 13- 0 28-12 8-12 30-12 5-12 1-12 18-12 3-18 19-21 21- 0 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 845.3 842.7 841.5 843.4 842.5 839.6 837.9 840.2 843.6 846.7 845.7 844.5 842.8 MAX. QFE PRESSURE IN HPA 852.4 852.2 850.5 847.5 845.1 845.6 844.0 847.6 847.9 850.9 851.9 848.2 852.4 DAY 3 16 28 2 18 6 19 31 21 27 10 2 MIN. QFE PRESSURE IN HPA 836.8 836.1 835.2 838.0 838.5 833.3 833.3 834.9 839.8 842.2 840.0 836.9 833.3 DAY 12 2 13 11 8 30 5 1 18 31 20 21 MEAN QNH PRESSURE IN HPA 1018.7 1015.8 1014.3 1016.5 1015.5 1012.1 1010.2 1012.8 1016.8 1020.4 1019.2 1017.9 1015.8 MAX. QNH PRESSURE IN HPA 1027.0 1026.8 1024.8 1021.3 1018.5 1019.1 1017.2 1021.4 1021.8 1025.3 1026.4 1022.1 1027.0 DAY 3 16 28 2 18 6 19 31 21 27 10 2 MIN. QNH PRESSURE IN HPA 1008.9 1008.0 1007.0 1010.3 1010.8 1004.8 1004.8 1006.6 1012.3 1015.1 1012.6 1009.0 1004.8 DAY 12 2 13 11 8 30 5 1 18 31 20 21 MEAN QFF PRESSURE IN HPA 1018.5 1013.4 1011.1 1009.2 1005.2 998.6 994.6 998.5 1004.8 1012.6 1015.6 1018.2 1008.3 MAX. QFF PRESSURE IN HPA 1028.8 1025.4 1023.2 1017.1 1010.2 1008.5 1003.2 1008.3 1010.2 1022.4 1025.3 1025.7 1028.8 DAY 2 16 28 1 25 5 19 31 21 27 10 23 MIN. QFF PRESSURE IN HPA 1005.0 1003.6 1000.6 1003.3 999.1 988.8 988.1 990.2 999.1 1005.8 1006.4 1007.2 988.1 DAY 12 24 13 28 8 30 5 1 18 4 20 21 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 845.5 842.8 842.2 843.9 843.1 840.3 838.8 841.2 844.4 847.4 846.2 845.0 843.4 MAX. QFE PRESSURE IN HPA 852.9 852.7 851.6 848.5 845.7 846.0 844.5 848.5 848.7 851.6 852.6 848.7 852.9 DAY 2 16 28 1 18 5 20 30 21 26 10 2 MIN. QFE PRESSURE IN HPA 837.5 832.7 836.0 838.5 838.1 833.8 834.3 835.5 840.3 842.7 841.0 837.5 832.7 DAY 12 1 13 11 8 30 6 1 18 31 21 21 MEAN QNH PRESSURE IN HPA 1019.0 1015.8 1015.2 1017.2 1016.2 1012.9 1011.2 1014.0 1017.7 1021.2 1019.7 1018.4 1016.5 MAX. QNH PRESSURE IN HPA 1027.6 1027.4 1026.1 1022.5 1019.2 1019.6 1017.8 1022.5 1022.7 1026.1 1027.2 1022.7 1027.6 DAY 2 16 28 1 18 5 20 30 21 26 10 2 MIN. QNH PRESSURE IN HPA 1009.7 1004.1 1007.9 1010.8 1010.4 1005.4 1005.9 1007.3 1012.9 1015.7 1013.7 1009.7 1004.1 DAY 12 1 13 11 8 30 6 1 18 31 21 21 MEAN QFF PRESSURE IN HPA 1020.3 1015.2 1013.5 1011.2 1007.2 1000.6 997.0 1001.5 1008.0 1015.7 1018.0 1020.1 1010.7 MAX. QFF PRESSURE IN HPA 1031.1 1028.4 1025.9 1020.1 1012.3 1010.0 1005.0 1011.3 1013.5 1023.3 1028.1 1027.4 1031.1 DAY 2 16 28 1 25 1 18 31 21 27 10 23 MIN. QFF PRESSURE IN HPA 1008.3 1002.9 1003.5 1003.8 1000.0 990.6 990.4 992.6 1002.9 1009.6 1009.2 1009.5 990.4 DAY 12 1 13 28 8 30 5 1 18 4 20 21 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION ESFAHAN (40800) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 37 N LONGITUDE 51 40 E DATA PROCESSING CENTER ELEVATION 1550.4 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 846.5 844.2 843.1 844.5 843.5 840.5 839.1 841.6 845.1 848.3 847.3 846.0 844.1 MAX. QFE PRESSURE IN HPA 854.3 853.5 852.6 850.3 846.0 847.0 844.6 849.3 849.7 853.5 853.3 849.8 854.3 DAY 2 16 28 1 1 5 18 30 21 26 10 2 MIN. QFE PRESSURE IN HPA 839.2 834.4 836.3 838.9 838.5 833.7 834.5 836.2 840.9 844.1 841.6 838.5 833.7 DAY 12 2 13 11 8 30 1 1 18 31 21 21 MEAN QNH PRESSURE IN HPA 1020.1 1017.5 1016.2 1017.8 1016.6 1013.2 1011.5 1014.4 1018.5 1022.2 1021.0 1019.6 1017.4 MAX. QNH PRESSURE IN HPA 1029.2 1028.3 1027.2 1024.6 1019.6 1020.7 1017.9 1023.4 1023.9 1028.3 1028.1 1024.0 1029.2 DAY 2 16 28 1 1 5 18 30 21 26 10 2 MIN. QNH PRESSURE IN HPA 1011.6 1006.1 1008.3 1011.3 1010.8 1005.2 1006.2 1008.2 1013.6 1017.3 1014.4 1010.8 1005.2 DAY 12 2 13 11 8 30 1 1 18 31 21 21 MEAN QFF PRESSURE IN HPA 1021.2 1016.3 1013.5 1010.6 1006.2 999.8 996.0 1000.3 1007.0 1014.9 1018.3 1021.2 1010.4 MAX. QFF PRESSURE IN HPA 1032.6 1030.0 1025.9 1020.4 1011.1 1009.6 1003.7 1009.9 1013.0 1024.8 1026.8 1028.2 1032.6 DAY 2 15 28 1 25 5 18 31 21 27 10 23 MIN. QFF PRESSURE IN HPA 1010.5 1003.6 1002.5 1001.4 999.8 989.7 990.0 992.0 1001.6 1008.3 1009.4 1010.2 989.7 DAY 24 2 13 28 8 30 6 1 18 4 20 21 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 845.1 843.0 842.2 843.4 842.4 839.5 838.1 840.4 843.8 846.8 845.5 844.6 842.9 MAX. QFE PRESSURE IN HPA 852.9 852.3 851.5 849.0 844.9 846.1 843.6 848.2 847.9 852.5 851.7 847.8 852.9 DAY 2 15 28 1 1 5 18 30 21 26 10 7 MIN. QFE PRESSURE IN HPA 836.9 834.0 835.8 837.4 837.8 832.8 833.3 835.2 839.6 842.5 840.2 837.6 832.8 DAY 11 2 4 11 8 30 5 1 18 24 21 21 MEAN QNH PRESSURE IN HPA 1018.6 1016.1 1015.1 1016.5 1015.3 1012.0 1010.3 1013.1 1017.0 1020.5 1019.0 1017.9 1015.9 MAX. QNH PRESSURE IN HPA 1027.6 1026.9 1026.0 1023.0 1018.3 1019.7 1016.8 1022.1 1021.8 1027.1 1026.2 1021.6 1027.6 DAY 2 15 28 1 1 5 18 30 21 26 10 7 MIN. QNH PRESSURE IN HPA 1009.0 1005.6 1007.7 1009.6 1010.0 1004.2 1004.8 1007.0 1012.1 1015.5 1012.8 1009.8 1004.2 DAY 11 2 4 11 8 30 5 1 18 24 21 21 MEAN QFF PRESSURE IN HPA 1018.1 1013.7 1011.6 1008.4 1004.5 998.4 994.3 998.3 1004.2 1012.2 1014.8 1018.0 1008.0 MAX. QFF PRESSURE IN HPA 1028.3 1026.1 1023.5 1017.5 1008.7 1007.2 1003.0 1007.9 1009.9 1023.3 1023.6 1024.5 1028.3 DAY 2 15 28 1 25 1 18 30 21 26 10 23 MIN. QFF PRESSURE IN HPA 1006.7 1002.8 1002.0 1001.3 998.8 988.1 987.6 990.2 998.9 1007.0 1006.7 1009.7 987.6 DAY 11 2 13 28 8 30 5 3 18 24 20 21 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 844.1 841.7 840.8 842.2 840.8 838.1 836.6 839.0 842.2 845.5 844.9 843.7 841.6 MAX. QFE PRESSURE IN HPA 851.8 850.7 849.2 847.0 843.9 844.7 842.7 846.4 846.3 851.7 850.4 846.8 851.8 DAY 2 15 28 1 17 5 18 30 1 26 9 1 MIN. QFE PRESSURE IN HPA 835.6 834.5 834.6 836.7 836.7 831.3 832.1 833.0 837.8 842.3 840.1 837.4 831.3 DAY 11 2 3 11 8 30 4 1 18 24 20 21 MEAN QNH PRESSURE IN HPA 1017.3 1014.6 1013.5 1015.1 1013.5 1010.4 1008.7 1011.4 1015.2 1018.9 1018.2 1016.8 1014.5 MAX. QNH PRESSURE IN HPA 1026.3 1025.0 1023.3 1020.7 1017.1 1018.0 1015.7 1020.0 1019.9 1026.2 1024.7 1020.5 1026.3 DAY 2 15 28 1 17 5 18 30 1 26 9 1 MIN. QNH PRESSURE IN HPA 1007.5 1006.2 1006.3 1008.7 1008.7 1002.5 1003.4 1004.4 1010.0 1015.3 1012.7 1009.6 1002.5 DAY 11 2 3 11 8 30 4 1 18 24 20 21 MEAN QFF PRESSURE IN HPA 1016.9 1012.0 1010.2 1007.6 1003.1 996.7 992.8 997.0 1003.0 1011.0 1014.4 1017.1 1006.8 MAX. QFF PRESSURE IN HPA 1027.5 1023.6 1020.4 1015.4 1007.1 1005.6 1001.8 1006.4 1009.0 1023.0 1022.9 1024.3 1027.5 DAY 2 15 28 1 25 5 18 30 30 26 9 23 MIN. QFF PRESSURE IN HPA 1005.2 1004.3 1001.0 1001.1 996.5 986.2 986.3 988.0 996.8 1006.1 1006.5 1007.4 986.2 DAY 11 2 3 28 8 30 5 1 18 3 19 20 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION ESFAHAN (40800) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 37 N LONGITUDE 51 40 E DATA PROCESSING CENTER ELEVATION 1550.4 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 844.4 842.2 841.0 842.5 841.2 837.8 836.1 838.6 841.9 845.6 845.3 844.2 841.7 MAX. QFE PRESSURE IN HPA 852.3 854.0 848.6 847.4 844.6 844.2 842.3 846.1 846.0 852.1 850.8 847.5 854.0 DAY 2 15 28 1 19 5 18 30 21 26 9 11 MIN. QFE PRESSURE IN HPA 836.6 836.5 835.4 837.7 837.2 831.2 831.3 832.8 837.6 841.8 839.9 838.2 831.2 DAY 11 2 3 10 8 30 5 1 18 3 19 20 MEAN QNH PRESSURE IN HPA 1017.7 1015.2 1013.7 1015.5 1014.0 1010.0 1008.1 1010.9 1014.8 1019.1 1018.8 1017.5 1014.6 MAX. QNH PRESSURE IN HPA 1026.9 1028.9 1022.6 1021.2 1017.9 1017.5 1015.3 1019.7 1019.6 1026.7 1025.1 1021.3 1028.9 DAY 2 15 28 1 19 5 18 30 21 26 9 11 MIN. QNH PRESSURE IN HPA 1008.6 1008.5 1007.2 1009.9 1009.3 1002.3 1002.5 1004.2 1009.8 1014.7 1012.5 1010.5 1002.3 DAY 11 2 3 10 8 30 5 1 18 3 19 20 MEAN QFF PRESSURE IN HPA 1018.9 1014.4 1012.0 1009.3 1005.0 997.3 993.6 998.2 1004.7 1013.3 1016.8 1019.2 1008.5 MAX. QFF PRESSURE IN HPA 1029.9 1030.0 1021.5 1016.9 1010.4 1007.7 1002.3 1008.2 1011.4 1024.1 1025.7 1025.6 1030.0 DAY 2 15 28 1 24 4 18 30 30 26 9 24 MIN. QFF PRESSURE IN HPA 1008.0 1006.6 1004.5 1004.3 999.0 987.4 986.7 988.8 999.2 1006.9 1007.3 1009.3 986.7 DAY 11 2 3 28 8 30 5 3 18 3 19 20 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 844.9 843.1 841.6 843.7 842.6 838.9 837.7 840.1 843.4 846.7 846.0 844.8 842.8 MAX. QFE PRESSURE IN HPA 852.5 853.3 849.5 849.1 846.3 845.7 844.3 847.7 847.8 852.1 852.0 848.2 853.3 DAY 2 15 27 1 19 4 18 30 21 26 9 1 MIN. QFE PRESSURE IN HPA 837.0 838.3 836.4 838.5 839.2 832.1 832.9 834.9 839.8 842.7 840.2 837.4 832.1 DAY 11 20 3 10 8 30 4 3 9 30 19 20 MEAN QNH PRESSURE IN HPA 1018.3 1016.2 1014.5 1016.8 1015.6 1011.3 1009.9 1012.7 1016.5 1020.4 1019.5 1018.1 1015.8 MAX. QNH PRESSURE IN HPA 1027.1 1028.1 1023.6 1023.2 1019.9 1019.2 1017.6 1021.5 1021.6 1026.7 1026.5 1022.1 1028.1 DAY 2 15 27 1 19 4 18 30 21 26 9 1 MIN. QNH PRESSURE IN HPA 1009.1 1010.6 1008.4 1010.8 1011.6 1003.4 1004.3 1006.6 1012.3 1015.7 1012.8 1009.6 1003.4 DAY 11 20 3 10 8 30 4 3 9 30 19 20 MEAN QFF PRESSURE IN HPA 1019.2 1014.9 1011.7 1009.6 1005.3 997.8 994.5 998.7 1005.1 1013.1 1016.7 1019.8 1008.9 MAX. QFF PRESSURE IN HPA 1030.4 1030.0 1022.7 1017.9 1010.9 1007.4 1003.6 1009.3 1012.1 1023.9 1025.3 1026.3 1030.4 DAY 2 15 27 1 24 4 18 30 30 26 9 23 MIN. QFF PRESSURE IN HPA 1008.8 1007.6 1003.1 1004.7 999.6 987.2 988.1 990.2 1000.1 1005.1 1007.0 1008.1 987.2 DAY 11 11 12 20 12 27 4 3 18 3 19 20 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 844.9 843.0 841.9 843.6 842.7 839.3 838.0 840.5 843.6 846.7 845.8 844.5 842.9 MAX. QFE PRESSURE IN HPA 852.8 852.8 850.7 849.3 845.7 845.7 844.4 847.8 847.9 851.5 852.1 847.8 852.8 DAY 2 15 27 1 24 5 18 30 20 26 9 1 MIN. QFE PRESSURE IN HPA 837.0 837.7 835.9 838.7 838.8 833.0 833.2 835.1 840.0 842.6 839.8 837.3 833.0 DAY 11 23 3 10 8 30 4 3 18 30 19 20 MEAN QNH PRESSURE IN HPA 1018.3 1016.1 1014.8 1016.7 1015.7 1011.7 1010.3 1013.1 1016.7 1020.4 1019.3 1017.8 1015.9 MAX. QNH PRESSURE IN HPA 1027.5 1027.5 1025.0 1023.4 1019.2 1019.2 1017.7 1021.6 1021.8 1026.0 1026.7 1021.6 1027.5 DAY 2 15 27 1 24 5 18 30 20 26 9 1 MIN. QNH PRESSURE IN HPA 1009.1 1009.9 1007.8 1011.1 1011.2 1004.4 1004.7 1006.9 1012.6 1015.6 1012.3 1009.4 1004.4 DAY 11 23 3 10 8 30 4 3 18 30 19 20 MEAN QFF PRESSURE IN HPA 1017.7 1013.7 1011.3 1008.7 1004.9 997.9 994.4 998.5 1004.2 1012.2 1015.3 1018.0 1008.1 MAX. QFF PRESSURE IN HPA 1028.4 1026.0 1023.3 1016.8 1009.5 1006.2 1003.3 1008.4 1010.8 1022.9 1024.5 1025.0 1028.4 DAY 2 15 27 1 24 4 18 30 30 26 9 23 MIN. QFF PRESSURE IN HPA 1006.4 1006.3 1001.2 1003.9 1000.4 988.6 987.5 989.5 999.2 1005.9 1005.3 1007.7 987.5 DAY 11 23 12 20 8 30 5 3 17 3 19 20 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION ESFAHAN (40800) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 37 N LONGITUDE 51 40 E DATA PROCESSING CENTER ELEVATION 1550.4 M MEANS AND EXTREMES FOR THE YEAR 1954 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 4.6 6.2 9.9 15.4 21.0 25.7 27.2 24.6 20.8 15.4 8.5 3.7 15.3 MINIMUN AIR TEMPERATURE (C) -2.3 -1.1 2.9 7.6 11.5 16.1 18.3 14.4 10.8 6.6 3.8 -0.8 7.3 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 0 0 1 0 0 0 0 0 1 DAYS WITH MINIMUM TEMP. <=-4 10 3 3 0 0 0 0 0 0 0 0 3 19 DAYS WITH FREEZING MIN.<= 0 26 22 5 0 0 0 0 0 0 0 0 19 72 TEMPERATURE RECORDS LOWEST(C) -7.0 -6.0 -5.0 2.0 7.0 14.0 16.0 11.0 7.0 3.0 1.0 -4.0 -7.0 DAY 7 3 3 7 19 8 5 21 26 25 4 10 MAXIMUM AIR TEMPERATURE (C) 12.0 13.5 17.0 23.3 30.0 34.7 36.1 34.7 31.4 25.8 14.1 9.3 23.5 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 0 13 30 31 31 23 3 0 0 131 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 17.0 22.0 25.0 29.0 36.0 37.0 41.0 37.0 35.0 31.0 23.0 16.0 41.0 DAY 11 20 31 25 30 1 23 9 1 8 1 24 DIF. BETWEEN (MAX.-MIN.) (C) 14.3 14.6 14.1 15.7 18.5 18.6 17.8 20.3 20.6 19.2 10.3 10.1 16.2 MEAN DAILY TEMP. (MDT) (C) 4.9 6.2 10.0 15.4 20.8 25.4 27.2 24.5 21.1 16.2 8.9 4.3 15.4 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 0.0 30.5 131.0 191.0 110.0 25.5 0.0 0.0 0.0 488.0 HEATING DEG. DAYS(BASE 18 0C) 394.0 330.0 249.5 89.0 1.5 0.0 0.0 0.0 0.5 60.0 272.0 425.5 1822.0 DEWPOINT (MEAN C) -3.5 -2.5 1.4 4.4 9.4 12.5 13.2 11.8 8.5 6.0 4.3 -0.3 5.4 MIXING RATIO (G/KG) 3.63 3.91 5.25 6.49 9.05 11.39 11.73 10.68 8.48 7.06 6.22 4.51 7.37 VAPOUR PRESSURE (HPA) 4.87 5.24 7.03 8.66 12.04 15.02 15.45 14.15 11.30 9.48 8.36 6.08 9.81 SATURATION DEF. (HPA) 4.03 4.71 5.89 10.04 14.51 19.86 22.51 18.90 15.27 9.38 3.30 2.10 10.88 RELATIVE HUMIDITY (MEAN %) 59 57 59 51 51 47 45 48 49 58 77 77 57 RELATIVE HUMIDITY (MAX. %) 79 79 82 73 73 69 67 73 75 81 89 90 78 RELATIVE HUMIDITY (MIN. %) 37 36 37 31 30 31 27 28 27 32 61 59 36 RELATIVE HUMIDITY (MEAN% 03UTC) 76 78 77 70 71 68 66 73 74 78 87 87 75 RELATIVE HUMIDITY (MEAN% 09UTC) 44 43 46 37 33 35 31 31 29 34 64 60 41 RELATIVE HUMIDITY (MEAN% 15UTC) 50 47 51 41 45 43 38 41 45 59 78 77 51 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 7.0 16.0 77.3 14.0 2.2 0.0 1.0 3.0 0.0 7.0 148.2 63.0 338.7 DAYS WITH PRECIPITATION >=10 0 1 3 0 0 0 0 0 0 0 6 2 12 DAYS WITH PRECIPITATION >= 5 1 1 5 2 0 0 0 0 0 0 7 5 21 DAYS WITH PRECIPITATION >= 1 1 2 8 3 1 0 1 2 0 2 12 7 39 DAYS WITH PRECIPITATION 1 2 11 5 4 1 3 4 0 2 17 8 58 GREATEST DAILY PRECIPITATION 7.0 13.0 27.0 7.0 2.0 0.0 1.0 2.0 0.0 4.0 39.0 32.0 39.0 DAY 2 8 14 3 3 ** 31 1 ** 27 26 6 DAY WITH THUNDER STORM 0 0 1 0 1 0 2 0 0 1 0 1 6 DAYS WITH SNOW OR SLEET 0 1 0 0 0 0 0 0 0 0 1 4 6 DAYS WITH DUST 0 0 0 3 0 1 3 0 1 0 2 0 10 WIND DIRECTION (PREVAILING) 270 270 270 225 270 90 90 90 90 90 270 270 270 PREVAILING WIND SPEED(KNOTS) 7.2 8.2 7.4 10.6 5.8 7.5 5.5 3.9 4.2 4.2 4.3 4.4 5.5 PREVAILING WIND PERCENT 22.2 19.6 20.2 28.3 36.3 28.8 31.0 33.5 25.8 23.4 18.3 35.5 22.1 CALMS PERCENT OF WIND 1.6 0.0 0.4 0.0 0.0 0.0 0.8 1.2 5.4 11.3 22.5 21.4 5.4 NO. OF WIND OBSERVATION 248 224 247 240 248 240 248 248 240 248 240 248 2919 VECTOR WIND DIRECTION (MEAN) 227 214 196 227 267 91 65 84 87 98 270 265 179 VECTOR WIND MAGNITUDE(KNOTS) 1.8 2.6 1.6 3.9 1.7 2.4 2.4 2.0 1.6 0.8 0.2 0.9 0.5 WIND STEADINESES (MEAN %) 28.6 37.7 24.6 53.4 28.8 38.7 41.4 45.5 33.3 21.1 5.4 28.1 9.3 WIND SPEED (MEAN KNOTS) 6.3 6.9 6.5 7.3 5.9 6.2 5.8 4.4 4.8 3.8 3.7 3.2 5.4 FASTEST WIND DIRECTION 210 180 180 180 90 120 360 50 120 150 30 230 180 FASTEST WIND SPEED (KNOTS) 30 20 25 33 20 27 30 25 20 20 26 27 33 DAY 11 4 18 11 2 22 31 18 10 15 12 31 DAYS WITH SKY CLEAR (0-2)/8 17 6 7 6 22 27 21 25 28 24 8 11 202 DAYS WITH P.CLOUDY (3-6)/8 11 19 10 15 7 3 10 6 2 6 8 10 107 DAYS WITH CLOUDY (7-8)/8 3 3 14 9 2 0 0 0 0 1 14 10 56 DAYS WITH VISIBILITY =< 2 KM 1 0 5 2 0 0 3 1 0 1 9 4 26 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION ESFAHAN (40800) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 37 N LONGITUDE 51 40 E DATA PROCESSING CENTER ELEVATION 1550.4 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 840.1 839.3 842.0 839.5 840.0 836.4 835.9 838.8 840.3 844.4 844.8 844.9 840.5 MAX. QFE PRESSURE IN HPA 852.4 849.0 850.2 846.0 845.0 841.7 840.6 844.8 846.6 852.7 850.9 855.5 855.5 DAY-HOUR 2- 3 22- 6 3- 6 25- 3 1- 6 22- 6 31- 6 31- 6 22-21 1- 9 5- 6 16- 6 MIN. QFE PRESSURE IN HPA 833.3 829.4 833.7 831.4 832.9 831.7 830.8 832.1 834.6 839.1 841.3 836.9 829.4 DAY-HOUR 3-12 8-12 25- 0 11-12 27-15 9-15 10-15 11-15 17-12 3-15 22-12 7- 3 MEAN QNH PRESSURE IN HPA 1012.7 1011.7 1014.9 1012.0 1012.5 1008.4 1007.8 1011.2 1012.9 1017.7 1018.2 1018.3 1013.2 MAX. QNH PRESSURE IN HPA 1027.0 1023.0 1024.4 1019.6 1018.4 1014.6 1013.3 1018.2 1020.3 1027.4 1025.3 1030.6 1030.6 DAY-HOUR 2- 3 22- 6 3- 6 25- 3 1- 6 22- 6 31- 6 31- 6 22-21 1- 9 5- 6 16- 6 MIN. QNH PRESSURE IN HPA 1004.8 1000.2 1005.2 1002.6 1004.3 1002.9 1001.9 1003.4 1006.3 1011.5 1014.1 1009.0 1000.2 DAY-HOUR 3-12 8-12 25- 0 11-12 27-15 9-15 10-15 11-15 17-12 3-15 22-12 7- 3 MEAN QFF PRESSURE IN HPA 1012.5 1010.4 1011.2 1004.6 1001.5 994.3 992.7 997.8 1002.1 1010.3 1015.3 1018.8 1006.0 MAX. QFF PRESSURE IN HPA 1025.3 1021.7 1026.2 1010.5 1008.0 1003.0 1000.6 1006.4 1011.0 1018.7 1021.3 1033.4 1033.4 DAY-HOUR 2- 3 3- 6 3- 6 25- 3 1- 3 22- 3 31- 3 31- 3 23- 3 12- 3 29-15 16- 6 MIN. QFF PRESSURE IN HPA 1002.1 997.4 997.5 995.0 991.4 988.2 985.7 989.3 994.1 1002.5 1008.9 1006.1 985.7 DAY-HOUR 3-12 8-12 25- 0 11-12 27-12 9-12 27-12 10-12 11-12 3-12 1- 9 30-21 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 840.3 839.3 841.8 839.6 840.2 836.8 835.9 839.0 840.5 844.4 844.8 844.9 840.6 MAX. QFE PRESSURE IN HPA 845.4 846.7 848.4 845.5 843.9 840.2 839.7 843.3 844.6 849.5 848.6 854.2 854.2 DAY 1 22 3 25 1 22 31 31 23 12 5 16 MIN. QFE PRESSURE IN HPA 835.6 830.4 833.7 835.2 835.2 833.1 832.6 834.3 836.0 840.2 841.6 837.1 830.4 DAY 28 16 25 7 28 10 28 11 17 3 28 7 MEAN QNH PRESSURE IN HPA 1012.9 1011.7 1014.6 1012.1 1012.8 1008.8 1007.8 1011.4 1013.1 1017.8 1018.1 1018.2 1013.3 MAX. QNH PRESSURE IN HPA 1018.9 1020.4 1022.3 1019.0 1017.1 1012.8 1012.2 1016.4 1017.9 1023.6 1022.6 1029.1 1029.1 DAY 1 22 3 25 1 22 31 31 23 12 5 16 MIN. QNH PRESSURE IN HPA 1007.5 1001.4 1005.2 1007.0 1007.0 1004.5 1004.0 1005.9 1007.9 1012.8 1014.4 1009.2 1001.4 DAY 28 16 25 7 28 10 28 11 17 3 28 7 MEAN QFF PRESSURE IN HPA 1011.9 1009.8 1010.4 1004.4 1001.8 994.5 992.5 997.8 1001.7 1010.1 1014.7 1018.3 1005.7 MAX. QFF PRESSURE IN HPA 1018.4 1017.4 1023.2 1008.6 1006.8 999.9 999.4 1003.6 1008.4 1015.4 1019.0 1030.5 1030.5 DAY 18 3 3 25 4 21 31 31 23 12 15 16 MIN. QFF PRESSURE IN HPA 1004.6 1002.1 997.5 999.2 993.4 990.0 987.1 991.7 996.4 1003.8 1010.2 1006.4 987.1 DAY 12 16 25 3 28 10 28 11 17 3 1 31 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 840.9 839.8 842.6 840.2 840.9 837.5 836.8 839.8 841.3 845.0 845.2 845.0 841.2 MAX. QFE PRESSURE IN HPA 852.4 847.6 849.0 846.0 844.5 841.4 840.3 844.0 845.3 850.0 849.4 854.7 854.7 DAY 2 22 3 25 1 22 31 31 23 12 5 16 MIN. QFE PRESSURE IN HPA 835.4 830.4 834.3 835.6 835.7 834.0 833.4 834.9 836.8 840.9 841.9 836.9 830.4 DAY 3 16 25 11 27 10 28 11 17 3 28 7 MEAN QNH PRESSURE IN HPA 1013.6 1012.4 1015.6 1012.8 1013.6 1009.7 1008.8 1012.3 1014.1 1018.4 1018.6 1018.4 1014.0 MAX. QNH PRESSURE IN HPA 1027.0 1021.4 1023.0 1019.6 1017.8 1014.2 1012.9 1017.2 1018.7 1024.2 1023.5 1029.7 1029.7 DAY 2 22 3 25 1 22 31 31 23 12 5 16 MIN. QNH PRESSURE IN HPA 1007.2 1001.4 1005.9 1007.5 1007.6 1005.6 1004.9 1006.6 1008.9 1013.6 1014.8 1009.0 1001.4 DAY 3 16 25 11 27 10 28 11 17 3 28 7 MEAN QFF PRESSURE IN HPA 1014.4 1012.1 1012.9 1006.5 1003.7 996.7 994.9 1000.4 1004.8 1012.9 1016.5 1019.5 1007.9 MAX. QFF PRESSURE IN HPA 1025.3 1020.6 1025.9 1010.5 1008.0 1003.0 1000.6 1006.4 1011.0 1018.7 1021.0 1032.7 1032.7 DAY 2 3 3 25 1 22 31 31 23 12 5 16 MIN. QFF PRESSURE IN HPA 1006.6 1002.5 1000.1 1000.7 995.2 992.6 989.4 993.9 999.6 1006.3 1012.7 1007.9 989.4 DAY 3 16 25 11 27 10 28 11 17 3 2 31 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION ESFAHAN (40800) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 37 N LONGITUDE 51 40 E DATA PROCESSING CENTER ELEVATION 1550.4 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 841.5 840.7 843.2 840.8 841.4 837.8 837.1 840.2 841.9 845.8 846.0 845.9 841.9 MAX. QFE PRESSURE IN HPA 845.4 849.0 850.2 845.8 845.0 841.7 840.6 844.8 846.2 851.1 850.9 855.5 855.5 DAY 1 22 3 27 1 22 31 31 23 12 5 16 MIN. QFE PRESSURE IN HPA 836.8 832.6 835.7 835.3 836.1 834.4 834.1 835.5 837.7 841.8 843.0 838.0 832.6 DAY 28 16 25 11 27 10 10 11 17 3 22 7 MEAN QNH PRESSURE IN HPA 1014.4 1013.4 1016.3 1013.5 1014.2 1010.0 1009.2 1012.8 1014.8 1019.4 1019.6 1019.4 1014.8 MAX. QNH PRESSURE IN HPA 1018.9 1023.0 1024.4 1019.3 1018.4 1014.6 1013.3 1018.2 1019.8 1025.5 1025.3 1030.6 1030.6 DAY 1 22 3 27 1 22 31 31 23 12 5 16 MIN. QNH PRESSURE IN HPA 1008.9 1004.0 1007.6 1007.1 1008.0 1006.1 1005.7 1007.3 1009.9 1014.7 1016.1 1010.3 1004.0 DAY 28 16 25 11 27 10 10 11 17 3 22 7 MEAN QFF PRESSURE IN HPA 1015.1 1012.7 1013.0 1006.1 1003.0 995.9 994.2 999.4 1004.0 1012.0 1017.0 1020.7 1007.8 MAX. QFF PRESSURE IN HPA 1021.7 1021.7 1026.2 1009.3 1007.4 1001.7 999.4 1005.3 1010.3 1018.5 1021.3 1033.4 1033.4 DAY 18 3 3 27 4 22 31 31 23 12 29 16 MIN. QFF PRESSURE IN HPA 1007.5 1002.7 1001.8 1000.2 994.7 991.6 989.3 993.0 998.3 1005.5 1012.7 1009.6 989.3 DAY 28 8 25 11 27 10 10 11 17 3 2 7 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 840.0 839.4 842.6 839.6 840.3 836.8 836.2 839.1 840.7 844.7 844.9 844.8 840.8 MAX. QFE PRESSURE IN HPA 844.1 848.1 848.7 844.8 844.0 840.6 839.5 843.6 844.8 852.7 849.0 853.9 853.9 DAY 16 22 3 27 1 22 31 31 23 1 5 16 MIN. QFE PRESSURE IN HPA 834.4 831.0 834.8 832.3 835.1 833.6 833.3 834.2 836.4 840.7 842.0 837.8 831.0 DAY 3 8 25 11 27 10 10 11 17 3 22 31 MEAN QNH PRESSURE IN HPA 1012.6 1011.9 1015.6 1012.1 1013.0 1008.8 1008.2 1011.6 1013.4 1018.1 1018.3 1018.2 1013.5 MAX. QNH PRESSURE IN HPA 1017.3 1022.0 1022.7 1018.2 1017.2 1013.3 1012.0 1016.8 1018.2 1027.4 1023.0 1028.7 1028.7 DAY 16 22 3 27 1 22 31 31 23 1 5 16 MIN. QNH PRESSURE IN HPA 1006.1 1002.1 1006.5 1003.6 1006.9 1005.1 1004.8 1005.8 1008.4 1013.4 1014.9 1010.0 1002.1 DAY 3 8 25 11 27 10 10 11 17 3 22 31 MEAN QFF PRESSURE IN HPA 1011.5 1009.7 1011.6 1004.0 1001.3 993.9 992.5 997.4 1001.4 1009.4 1014.6 1018.1 1005.5 MAX. QFF PRESSURE IN HPA 1018.0 1019.4 1023.1 1006.8 1006.1 999.7 997.3 1002.9 1008.2 1018.0 1020.0 1029.7 1029.7 DAY 8 3 3 23 9 21 13 31 23 1 29 16 MIN. QFF PRESSURE IN HPA 1002.8 997.7 999.8 995.7 993.3 990.0 987.8 991.3 994.8 1003.3 1008.9 1007.7 987.8 DAY 3 8 25 11 27 10 10 11 11 3 1 31 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 838.8 838.0 840.8 838.2 838.7 835.2 834.9 837.8 839.0 843.2 843.9 844.2 839.4 MAX. QFE PRESSURE IN HPA 843.2 846.0 846.9 843.6 841.9 839.1 837.8 841.5 843.3 847.5 848.0 852.3 852.3 DAY 16 22 2 24 24 21 15 30 23 12 5 16 MIN. QFE PRESSURE IN HPA 833.3 829.4 834.1 831.4 833.5 832.3 831.7 832.8 834.6 839.4 841.3 837.6 829.4 DAY 3 8 25 11 27 9 10 10 17 3 22 30 MEAN QNH PRESSURE IN HPA 1011.2 1010.3 1013.6 1010.4 1011.1 1007.0 1006.6 1010.0 1011.4 1016.3 1017.1 1017.4 1011.9 MAX. QNH PRESSURE IN HPA 1016.3 1019.6 1020.6 1016.8 1014.8 1011.5 1010.0 1014.3 1016.4 1021.3 1021.9 1026.9 1026.9 DAY 16 22 2 24 24 21 15 30 23 12 5 16 MIN. QNH PRESSURE IN HPA 1004.8 1000.2 1005.7 1002.6 1005.0 1003.6 1002.9 1004.2 1006.3 1011.9 1014.1 1009.8 1000.2 DAY 3 8 25 11 27 9 10 10 17 3 22 30 MEAN QFF PRESSURE IN HPA 1010.1 1008.3 1009.1 1002.7 999.9 992.3 991.1 996.1 999.9 1008.5 1013.8 1017.3 1004.1 MAX. QFF PRESSURE IN HPA 1015.7 1017.1 1020.7 1006.9 1003.9 998.5 996.4 1001.4 1006.6 1013.7 1020.3 1028.1 1028.1 DAY 7 3 2 27 9 21 30 26 23 12 29 16 MIN. QFF PRESSURE IN HPA 1002.1 997.4 998.7 995.0 991.4 988.2 985.7 989.3 994.1 1002.5 1009.1 1008.6 985.7 DAY 3 8 25 11 27 9 27 10 11 3 2 30 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION ESFAHAN (40800) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 37 N LONGITUDE 51 40 E DATA PROCESSING CENTER ELEVATION 1550.4 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 839.3 838.3 841.0 838.4 838.4 834.7 834.4 837.2 838.7 843.3 844.4 844.7 839.4 MAX. QFE PRESSURE IN HPA 843.6 846.0 846.7 844.1 841.6 839.3 838.4 841.2 842.9 847.5 848.1 852.4 852.4 DAY 16 22 2 24 24 21 30 30 23 12 5 16 MIN. QFE PRESSURE IN HPA 834.2 829.6 834.8 832.9 832.9 831.7 830.8 832.1 834.8 839.1 841.7 838.0 829.6 DAY 27 8 24 11 27 9 10 11 16 3 22 30 MEAN QNH PRESSURE IN HPA 1011.8 1010.6 1013.7 1010.7 1010.8 1006.4 1006.1 1009.3 1011.1 1016.4 1017.7 1018.0 1011.9 MAX. QNH PRESSURE IN HPA 1016.8 1019.6 1020.4 1017.3 1014.4 1011.8 1010.7 1014.0 1015.9 1021.3 1022.0 1027.0 1027.0 DAY 16 22 2 24 24 21 30 30 23 12 5 16 MIN. QNH PRESSURE IN HPA 1005.8 1000.5 1006.5 1004.3 1004.3 1002.9 1001.9 1003.4 1006.5 1011.5 1014.6 1010.3 1000.5 DAY 27 8 24 11 27 9 10 11 16 3 22 30 MEAN QFF PRESSURE IN HPA 1012.4 1010.3 1010.8 1004.2 1000.5 993.0 992.0 996.9 1001.5 1010.5 1015.6 1019.0 1005.6 MAX. QFF PRESSURE IN HPA 1018.1 1019.0 1022.2 1008.1 1006.6 1000.3 998.3 1002.6 1007.6 1015.6 1021.3 1029.4 1029.4 DAY 7 3 2 24 3 21 30 30 23 12 29 16 MIN. QFF PRESSURE IN HPA 1005.4 999.8 1000.2 998.9 991.6 988.8 986.2 989.9 995.5 1003.8 1010.8 1009.9 986.2 DAY 28 8 24 11 27 16 27 11 11 3 1 30 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 840.0 839.2 841.9 839.7 839.9 836.0 835.7 838.6 840.1 844.3 844.9 845.1 840.5 MAX. QFE PRESSURE IN HPA 844.2 846.5 848.1 845.9 844.3 840.1 840.5 842.9 844.4 849.2 848.5 853.6 853.6 DAY 16 22 2 24 1 21 31 30 22 11 5 15 MIN. QFE PRESSURE IN HPA 835.0 829.9 835.3 834.7 834.7 832.3 832.4 833.6 835.4 839.8 842.2 837.0 829.9 DAY 27 15 24 6 27 9 10 10 16 2 21 30 MEAN QNH PRESSURE IN HPA 1012.6 1011.7 1014.8 1012.2 1012.4 1008.0 1007.6 1011.0 1012.7 1017.6 1018.3 1018.5 1013.1 MAX. QNH PRESSURE IN HPA 1017.5 1020.1 1022.0 1019.4 1017.6 1012.7 1013.2 1015.9 1017.7 1023.3 1022.5 1028.4 1028.4 DAY 16 22 2 24 1 21 31 30 22 11 5 15 MIN. QNH PRESSURE IN HPA 1006.8 1000.8 1007.1 1006.4 1006.4 1003.6 1003.7 1005.1 1007.2 1012.3 1015.1 1009.1 1000.8 DAY 27 15 24 6 27 9 10 10 16 2 21 30 MEAN QFF PRESSURE IN HPA 1013.2 1010.9 1011.3 1004.8 1001.2 993.9 992.5 997.7 1001.9 1010.2 1015.7 1019.7 1006.1 MAX. QFF PRESSURE IN HPA 1018.9 1018.8 1023.7 1009.0 1006.4 999.7 999.2 1003.2 1008.3 1015.2 1019.8 1031.3 1031.3 DAY 7 22 2 24 1 21 31 31 22 11 15 15 MIN. QFF PRESSURE IN HPA 1004.2 1001.5 999.5 999.8 993.0 989.4 987.1 991.1 995.9 1003.5 1010.8 1008.7 987.1 DAY 11 8 24 2 27 9 27 11 16 2 7 30 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 840.0 839.4 842.0 839.9 840.0 836.5 836.1 839.0 840.4 844.5 844.8 845.0 840.6 MAX. QFE PRESSURE IN HPA 844.3 847.5 848.6 845.8 843.6 840.5 840.5 843.0 846.6 849.2 848.4 854.2 854.2 DAY 17 21 2 24 1 21 31 30 22 11 4 15 MIN. QFE PRESSURE IN HPA 835.2 830.1 835.9 834.5 835.2 833.0 832.9 834.3 835.9 840.2 841.5 837.0 830.1 DAY 11 15 24 6 27 9 27 10 16 2 27 30 MEAN QNH PRESSURE IN HPA 1012.6 1011.8 1014.9 1012.4 1012.6 1008.5 1008.0 1011.4 1013.1 1017.8 1018.2 1018.3 1013.3 MAX. QNH PRESSURE IN HPA 1017.6 1021.3 1022.6 1019.3 1016.8 1013.2 1013.2 1016.1 1020.3 1023.3 1022.3 1029.1 1029.1 DAY 17 21 2 24 1 21 31 30 22 11 4 15 MIN. QNH PRESSURE IN HPA 1007.0 1001.1 1007.8 1006.2 1007.0 1004.4 1004.3 1005.9 1007.8 1012.8 1014.3 1009.1 1001.1 DAY 11 15 24 6 27 9 27 10 16 2 27 30 MEAN QFF PRESSURE IN HPA 1011.6 1009.6 1010.9 1004.3 1001.0 994.0 992.4 997.4 1001.3 1009.3 1014.7 1018.3 1005.4 MAX. QFF PRESSURE IN HPA 1017.7 1017.5 1023.9 1008.2 1005.3 999.9 998.3 1002.6 1010.4 1013.8 1019.3 1030.3 1030.3 DAY 17 2 2 24 9 21 31 31 22 11 14 15 MIN. QFF PRESSURE IN HPA 1002.3 1000.4 1004.5 999.9 993.4 989.8 987.2 991.6 995.4 1002.6 1009.7 1006.1 987.2 DAY 11 24 25 11 27 9 10 11 16 3 1 30 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION ESFAHAN (40800) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 37 N LONGITUDE 51 40 E DATA PROCESSING CENTER ELEVATION 1550.4 M MEANS AND EXTREMES FOR THE YEAR 1955 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 2.4 6.7 10.6 15.5 19.0 24.1 28.2 26.7 22.3 14.0 10.3 4.8 15.4 MINIMUN AIR TEMPERATURE (C) -3.7 -0.5 3.1 7.5 11.1 14.2 18.2 16.3 12.4 5.1 2.6 -1.0 7.1 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 0 0 2 0 0 0 0 0 2 DAYS WITH MINIMUM TEMP. <=-4 17 4 0 0 0 0 0 0 0 0 0 6 27 DAYS WITH FREEZING MIN.<= 0 29 19 3 2 0 0 0 0 0 0 7 20 80 TEMPERATURE RECORDS LOWEST(C) -8.0 -4.0 -2.0 0.0 6.0 12.0 15.0 11.0 9.0 1.0 -1.0 -5.0 -8.0 DAY 8 4 9 12 6 2 25 24 24 29 17 21 MAXIMUM AIR TEMPERATURE (C) 9.8 15.3 18.3 23.9 27.5 33.7 38.3 37.5 33.7 24.9 19.9 12.5 24.6 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 0 11 27 31 31 29 0 0 0 129 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 13.0 23.0 24.0 29.0 34.0 38.0 41.0 41.0 37.0 29.0 23.0 18.0 41.0 DAY 13 28 1 6 30 29 27 3 1 4 1 1 DIF. BETWEEN (MAX.-MIN.) (C) 13.5 15.8 15.2 16.4 16.4 19.5 20.1 21.2 21.3 19.8 17.3 13.5 17.5 MEAN DAILY TEMP. (MDT) (C) 3.0 7.4 10.7 15.7 19.3 24.0 28.2 26.9 23.1 15.0 11.3 5.8 15.9 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 0.0 16.5 90.5 224.0 183.0 67.5 0.0 0.0 0.0 581.5 HEATING DEG. DAYS(BASE 18 0C) 464.5 296.5 226.0 76.0 24.5 0.0 0.0 0.0 0.0 95.0 202.0 379.5 1764.0 DEWPOINT (MEAN C) -3.8 -2.8 0.2 4.6 8.0 9.4 11.8 12.3 9.5 4.8 2.0 -1.6 4.5 MIXING RATIO (G/KG) 3.52 3.84 4.77 6.63 8.24 9.10 10.73 11.17 9.14 6.59 5.35 4.14 6.93 VAPOUR PRESSURE (HPA) 4.75 5.15 6.38 8.87 10.97 12.06 14.13 14.72 12.14 8.84 7.18 5.55 9.23 SATURATION DEF. (HPA) 2.82 5.39 7.03 9.82 12.38 20.02 26.57 22.90 17.19 8.66 6.11 3.46 11.86 RELATIVE HUMIDITY (MEAN %) 67 55 52 52 53 43 39 45 48 59 60 66 53 RELATIVE HUMIDITY (MAX. %) 84 78 76 76 77 67 61 70 75 86 85 86 77 RELATIVE HUMIDITY (MIN. %) 43 34 31 31 30 24 21 22 25 30 33 41 30 RELATIVE HUMIDITY (MEAN% 03UTC) 82 74 71 71 73 64 57 68 70 84 81 81 73 RELATIVE HUMIDITY (MEAN% 09UTC) 45 37 35 36 34 25 23 24 26 33 37 47 34 RELATIVE HUMIDITY (MEAN% 15UTC) 66 46 42 45 44 36 36 41 48 61 59 65 49 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 10.0 3.2 3.5 44.3 32.2 1.5 0.0 0.0 0.0 5.0 2.3 18.5 120.5 DAYS WITH PRECIPITATION >=10 0 0 0 1 1 0 0 0 0 0 0 1 3 DAYS WITH PRECIPITATION >= 5 1 0 0 3 1 0 0 0 0 0 0 2 7 DAYS WITH PRECIPITATION >= 1 2 1 2 4 5 1 0 0 0 2 1 3 21 DAYS WITH PRECIPITATION 4 1 9 6 10 2 0 0 0 3 7 6 48 GREATEST DAILY PRECIPITATION 7.0 3.2 2.0 24.0 23.0 1.0 0.0 0.0 0.0 3.0 2.0 11.0 24.0 DAY 3 1 27 25 16 4 ** ** ** 12 13 8 DAY WITH THUNDER STORM 0 0 0 1 2 1 0 0 0 0 0 0 4 DAYS WITH SNOW OR SLEET 1 0 0 0 0 0 0 0 0 0 0 1 2 DAYS WITH DUST 0 1 0 1 2 1 0 1 1 0 0 0 7 WIND DIRECTION (PREVAILING) 270 270 270 270 270 270 270 90 45 270 225 270 270 PREVAILING WIND SPEED(KNOTS) 3.5 7.0 7.5 7.6 5.9 4.2 4.0 4.9 4.6 3.7 3.7 3.9 5.1 PREVAILING WIND PERCENT 47.6 33.6 31.0 26.3 27.5 27.1 31.0 21.0 20.8 13.3 28.8 26.2 26.9 CALMS PERCENT OF WIND 10.9 11.7 13.7 12.1 10.9 13.3 13.3 5.6 7.9 22.2 12.9 10.9 12.1 NO. OF WIND OBSERVATION 248 223 248 240 247 240 248 248 240 248 240 248 2918 VECTOR WIND DIRECTION (MEAN) 263 251 251 245 275 244 283 74 72 350 267 261 260 VECTOR WIND MAGNITUDE(KNOTS) 1.6 3.8 4.1 3.5 2.1 0.3 1.5 0.9 0.8 0.6 2.1 1.4 1.5 WIND STEADINESES (MEAN %) 50.0 67.9 62.1 54.7 33.3 7.3 40.5 25.7 22.9 20.7 58.3 38.9 34.1 WIND SPEED (MEAN KNOTS) 3.2 5.6 6.6 6.4 6.3 4.1 3.7 3.5 3.5 2.9 3.6 3.6 4.4 FASTEST WIND DIRECTION 270 270 270 230 230 230 270 90 50 330 270 330 230 FASTEST WIND SPEED (KNOTS) 8 33 27 33 40 20 20 21 20 20 25 25 40 DAY 5 23 5 10 1 5 28 18 13 7 23 20 DAYS WITH SKY CLEAR (0-2)/8 16 20 7 9 11 26 31 25 30 26 17 14 232 DAYS WITH P.CLOUDY (3-6)/8 10 5 17 15 17 4 0 4 0 3 11 11 97 DAYS WITH CLOUDY (7-8)/8 5 3 7 6 3 0 0 2 0 2 2 6 36 DAYS WITH VISIBILITY =< 2 KM 1 1 0 0 1 1 0 0 0 0 0 0 4 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION ESFAHAN (40800) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 37 N LONGITUDE 51 40 E DATA PROCESSING CENTER ELEVATION 1550.4 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 843.7 840.8 838.5 840.8 840.0 837.3 833.6 835.8 839.1 843.7 843.5 840.9 839.8 MAX. QFE PRESSURE IN HPA 850.5 847.1 845.4 846.2 846.3 842.4 840.0 842.6 846.7 849.5 849.3 848.8 850.5 DAY-HOUR 9- 6 8- 6 3-12 1- 6 8-21 2- 6 10- 6 22- 6 21- 6 18- 6 16- 6 2- 6 MIN. QFE PRESSURE IN HPA 836.9 833.2 831.5 832.9 833.0 830.5 828.7 830.0 831.9 839.3 838.7 832.5 828.7 DAY-HOUR 26-12 23-12 12-12 10-12 2-18 29-15 28-15 7-15 1-15 6-15 24-12 29- 9 MEAN QNH PRESSURE IN HPA 1016.9 1013.5 1010.8 1013.4 1012.6 1009.4 1005.1 1007.7 1011.6 1016.9 1016.7 1013.7 1012.4 MAX. QNH PRESSURE IN HPA 1024.8 1020.8 1018.9 1019.8 1019.9 1015.4 1012.6 1015.6 1020.4 1023.6 1023.4 1022.8 1024.8 DAY-HOUR 9- 6 8- 6 3-12 1- 6 8-21 2- 6 10- 6 22- 6 21- 6 18- 6 16- 6 2- 6 MIN. QNH PRESSURE IN HPA 1009.0 1004.7 1002.7 1004.3 1004.4 1001.5 999.4 1000.9 1003.2 1011.8 1011.1 1003.8 999.4 DAY-HOUR 26-12 23-12 12-12 10-12 2-18 29-15 28-15 7-15 1-15 6-15 24-12 29- 9 MEAN QFF PRESSURE IN HPA 1018.4 1012.0 1006.5 1006.0 1002.7 996.6 989.6 993.0 999.7 1010.5 1012.7 1013.3 1005.1 MAX. QFF PRESSURE IN HPA 1029.2 1021.4 1014.6 1016.4 1011.5 1004.9 997.4 1003.9 1011.3 1018.9 1020.7 1024.4 1029.2 DAY-HOUR 10- 6 8- 6 15- 3 13- 3 9- 6 2- 6 10- 3 22- 3 23- 3 18- 3 17- 3 23- 6 MIN. QFF PRESSURE IN HPA 1007.9 999.3 998.2 997.0 994.7 986.7 982.8 984.1 989.0 1000.8 1003.9 1001.4 982.8 DAY-HOUR 26-21 23- 3 12-12 25-12 22- 9 29-21 28-12 7-12 1-12 7- 9 1- 0 29- 9 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 843.8 840.7 838.4 840.8 840.0 837.6 833.7 836.1 839.1 843.8 843.5 841.1 839.9 MAX. QFE PRESSURE IN HPA 849.4 845.8 842.0 844.9 843.9 841.7 838.2 841.0 845.4 847.8 847.0 846.6 849.4 DAY 10 9 31 2 18 2 10 22 23 15 17 23 MIN. QFE PRESSURE IN HPA 837.5 834.1 833.9 833.7 834.4 832.2 829.8 831.0 832.9 840.1 839.5 834.3 829.8 DAY 27 23 13 10 3 23 29 7 1 7 1 29 MEAN QNH PRESSURE IN HPA 1017.0 1013.4 1010.8 1013.5 1012.6 1009.8 1005.3 1008.0 1011.6 1017.0 1016.7 1013.8 1012.5 MAX. QNH PRESSURE IN HPA 1023.5 1019.3 1014.9 1018.3 1017.1 1014.6 1010.5 1013.7 1018.9 1021.6 1020.7 1020.3 1023.5 DAY 10 9 31 2 18 2 10 22 23 15 17 23 MIN. QNH PRESSURE IN HPA 1009.7 1005.7 1005.5 1005.2 1006.1 1003.5 1000.7 1002.1 1004.3 1012.7 1012.0 1005.9 1000.7 DAY 27 23 13 10 3 23 29 7 1 7 1 29 MEAN QFF PRESSURE IN HPA 1017.9 1011.4 1006.1 1005.8 1002.6 996.9 989.5 992.8 999.0 1009.9 1012.1 1012.6 1004.7 MAX. QFF PRESSURE IN HPA 1026.9 1018.8 1010.5 1013.3 1010.8 1002.9 995.3 1000.0 1007.9 1016.3 1017.8 1020.9 1026.9 DAY 10 9 15 13 9 2 11 22 23 15 17 23 MIN. QFF PRESSURE IN HPA 1008.7 1001.3 1000.1 998.0 995.8 988.6 984.4 985.3 990.3 1002.4 1003.9 1004.3 984.4 DAY 27 23 4 10 22 30 28 7 1 7 1 29 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 843.9 841.2 839.0 841.4 840.7 838.3 834.5 836.8 840.0 844.4 843.9 841.2 840.4 MAX. QFE PRESSURE IN HPA 849.4 845.9 843.1 845.5 844.6 842.0 839.5 842.1 846.2 848.4 847.7 846.7 849.4 DAY 10 8 31 2 17 2 10 22 23 18 16 2 MIN. QFE PRESSURE IN HPA 837.8 833.5 833.7 833.7 835.3 833.4 830.5 831.7 834.1 841.3 839.9 833.7 830.5 DAY 27 23 12 10 3 23 29 7 1 7 1 29 MEAN QNH PRESSURE IN HPA 1017.2 1014.0 1011.4 1014.2 1013.3 1010.6 1006.1 1008.9 1012.6 1017.7 1017.1 1014.0 1013.1 MAX. QNH PRESSURE IN HPA 1023.5 1019.4 1016.2 1019.0 1017.9 1014.9 1012.0 1015.0 1019.8 1022.3 1021.5 1020.4 1023.5 DAY 10 8 31 2 17 2 10 22 23 18 16 2 MIN. QNH PRESSURE IN HPA 1010.0 1005.0 1005.2 1005.2 1007.1 1004.9 1001.5 1002.9 1005.7 1014.1 1012.5 1005.2 1001.5 DAY 27 23 12 10 3 23 29 7 1 7 1 29 MEAN QFF PRESSURE IN HPA 1019.6 1013.6 1008.1 1008.1 1004.6 998.8 991.8 995.7 1002.4 1013.3 1014.8 1014.4 1007.1 MAX. QFF PRESSURE IN HPA 1028.3 1020.7 1014.6 1016.4 1011.5 1004.9 997.4 1003.9 1011.3 1018.9 1020.7 1023.1 1028.3 DAY 10 9 15 13 9 2 10 22 23 18 17 23 MIN. QFF PRESSURE IN HPA 1010.1 999.3 999.7 999.5 996.7 991.1 986.9 988.6 993.6 1007.3 1007.8 1005.0 986.9 DAY 27 23 4 10 22 30 28 7 1 6 1 29 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION ESFAHAN (40800) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 37 N LONGITUDE 51 40 E DATA PROCESSING CENTER ELEVATION 1550.4 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 844.9 842.2 839.6 842.0 841.1 838.5 834.8 837.1 840.6 845.2 844.8 842.2 841.1 MAX. QFE PRESSURE IN HPA 850.5 847.1 844.5 846.2 845.2 842.4 840.0 842.6 846.7 849.5 849.3 848.8 850.5 DAY 9 8 22 1 17 2 10 22 21 18 16 2 MIN. QFE PRESSURE IN HPA 838.5 834.2 833.7 834.0 835.4 833.5 830.9 832.0 834.1 841.7 840.9 834.1 830.9 DAY 27 23 12 10 3 23 28 7 1 7 23 29 MEAN QNH PRESSURE IN HPA 1018.3 1015.1 1012.1 1014.9 1013.8 1010.9 1006.5 1009.2 1013.3 1018.6 1018.1 1015.1 1013.8 MAX. QNH PRESSURE IN HPA 1024.8 1020.8 1017.8 1019.8 1018.6 1015.4 1012.6 1015.6 1020.4 1023.6 1023.4 1022.8 1024.8 DAY 9 8 22 1 17 2 10 22 21 18 16 2 MIN. QNH PRESSURE IN HPA 1010.8 1005.8 1005.2 1005.6 1007.2 1005.0 1002.0 1003.3 1005.7 1014.6 1013.6 1005.7 1002.0 DAY 27 23 12 10 3 23 28 7 1 7 23 29 MEAN QFF PRESSURE IN HPA 1020.6 1014.1 1008.0 1007.4 1004.2 998.0 990.9 994.7 1001.4 1012.2 1014.4 1015.5 1006.8 MAX. QFF PRESSURE IN HPA 1029.2 1021.4 1013.8 1014.3 1011.5 1004.9 996.7 1002.6 1009.8 1017.9 1020.6 1024.4 1029.2 DAY 10 8 15 13 9 2 10 22 23 18 17 23 MIN. QFF PRESSURE IN HPA 1010.2 1001.7 1001.6 999.9 996.2 990.8 986.2 988.0 992.8 1005.3 1007.6 1005.6 986.2 DAY 27 23 12 25 22 30 28 7 1 7 1 29 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 843.7 841.1 838.4 840.9 840.1 837.6 834.0 836.1 839.4 843.8 843.4 840.9 840.0 MAX. QFE PRESSURE IN HPA 849.3 846.2 843.3 845.1 844.3 841.3 838.9 841.6 845.6 848.0 847.8 847.3 849.3 DAY 9 8 22 1 17 6 10 22 21 18 16 2 MIN. QFE PRESSURE IN HPA 838.1 833.5 832.0 833.6 834.1 832.4 830.0 831.1 833.0 840.3 839.3 832.5 830.0 DAY 27 23 12 10 3 23 28 7 1 6 24 29 MEAN QNH PRESSURE IN HPA 1016.9 1013.8 1010.8 1013.6 1012.7 1009.8 1005.6 1008.1 1011.9 1017.0 1016.5 1013.6 1012.5 MAX. QNH PRESSURE IN HPA 1023.4 1019.8 1016.4 1018.5 1017.6 1014.1 1011.3 1014.4 1019.1 1021.9 1021.6 1021.1 1023.4 DAY 9 8 22 1 17 6 10 22 21 18 16 2 MIN. QNH PRESSURE IN HPA 1010.4 1005.0 1003.3 1005.1 1005.7 1003.7 1000.9 1002.2 1004.4 1012.9 1011.8 1003.8 1000.9 DAY 27 23 12 10 3 23 28 7 1 6 24 29 MEAN QFF PRESSURE IN HPA 1017.5 1011.4 1005.8 1005.5 1001.9 996.2 989.5 992.6 999.0 1009.4 1011.4 1012.3 1004.4 MAX. QFF PRESSURE IN HPA 1025.9 1018.8 1012.0 1012.8 1007.6 1002.2 995.0 1000.7 1007.1 1014.9 1016.9 1021.1 1025.9 DAY 9 8 18 13 10 2 11 22 22 18 16 23 MIN. QFF PRESSURE IN HPA 1008.4 1001.6 998.4 997.7 994.7 986.8 984.3 984.9 990.1 1000.8 1004.1 1001.4 984.3 DAY 27 23 12 9 22 30 28 7 1 7 1 29 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 842.8 839.8 837.5 839.6 838.9 836.3 832.8 834.8 837.9 842.6 842.4 840.0 838.8 MAX. QFE PRESSURE IN HPA 848.4 845.0 845.4 843.7 842.9 839.5 837.7 839.8 844.1 847.0 846.6 846.3 848.4 DAY 9 8 3 1 9 2 10 21 21 18 16 2 MIN. QFE PRESSURE IN HPA 836.9 833.2 831.5 832.9 834.3 831.2 828.8 830.4 832.1 839.5 838.7 832.7 828.8 DAY 26 23 12 10 2 30 28 7 1 31 24 29 MEAN QNH PRESSURE IN HPA 1015.8 1012.4 1009.6 1012.1 1011.3 1008.3 1004.1 1006.5 1010.1 1015.7 1015.4 1012.6 1011.2 MAX. QNH PRESSURE IN HPA 1022.3 1018.4 1018.9 1016.9 1015.9 1012.0 1009.9 1012.3 1017.3 1020.7 1020.3 1019.9 1022.3 DAY 9 8 3 1 9 2 10 21 21 18 16 2 MIN. QNH PRESSURE IN HPA 1009.0 1004.7 1002.7 1004.3 1005.9 1002.3 999.5 1001.4 1003.4 1012.0 1011.1 1004.1 999.5 DAY 26 23 12 10 2 30 28 7 1 31 24 29 MEAN QFF PRESSURE IN HPA 1016.6 1010.1 1004.9 1004.3 1001.3 995.0 988.1 991.2 997.5 1008.4 1010.7 1011.5 1003.3 MAX. QFF PRESSURE IN HPA 1025.2 1017.2 1012.9 1009.8 1009.0 1001.6 993.5 998.9 1006.0 1014.2 1015.9 1019.7 1025.2 DAY 9 8 3 13 9 4 10 21 22 18 16 23 MIN. QFF PRESSURE IN HPA 1008.5 1002.2 998.2 997.0 996.3 986.9 982.8 984.1 989.0 1002.3 1003.9 1001.5 982.8 DAY 26 23 12 25 30 30 28 7 1 6 1 29 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION ESFAHAN (40800) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 37 N LONGITUDE 51 40 E DATA PROCESSING CENTER ELEVATION 1550.4 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 843.2 840.0 837.5 839.8 838.9 835.9 832.3 834.4 837.7 842.7 842.9 840.4 838.8 MAX. QFE PRESSURE IN HPA 848.4 845.1 841.4 843.5 842.5 839.5 836.7 839.7 843.8 846.8 846.8 846.0 848.4 DAY 9 8 18 1 9 1 9 21 21 18 16 2 MIN. QFE PRESSURE IN HPA 837.1 834.2 832.0 834.1 834.8 830.5 828.7 830.0 831.9 839.3 839.2 833.6 828.7 DAY 26 23 12 10 2 29 28 7 1 6 2 29 MEAN QNH PRESSURE IN HPA 1016.3 1012.6 1009.7 1012.3 1011.3 1007.9 1003.6 1006.0 1009.9 1015.8 1016.0 1013.1 1011.2 MAX. QNH PRESSURE IN HPA 1022.3 1018.5 1014.2 1016.6 1015.5 1012.0 1008.7 1012.2 1017.0 1020.5 1020.5 1019.6 1022.3 DAY 9 8 18 1 9 1 9 21 21 18 16 2 MIN. QNH PRESSURE IN HPA 1009.2 1005.8 1003.3 1005.7 1006.5 1001.5 999.4 1000.9 1003.2 1011.8 1011.6 1005.1 999.4 DAY 26 23 12 10 2 29 28 7 1 6 2 29 MEAN QFF PRESSURE IN HPA 1018.5 1012.0 1006.3 1006.0 1002.5 995.8 988.9 992.4 999.3 1011.0 1013.4 1013.4 1005.0 MAX. QFF PRESSURE IN HPA 1026.7 1018.8 1010.9 1011.8 1008.7 1002.1 994.1 1000.9 1007.8 1016.6 1019.0 1022.0 1026.7 DAY 9 8 18 12 9 4 9 21 22 14 16 23 MIN. QFF PRESSURE IN HPA 1009.9 1002.4 1000.8 1001.6 998.6 987.4 984.8 985.9 990.5 1004.4 1007.6 1004.3 984.8 DAY 26 23 4 9 25 29 28 7 1 1 1 29 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 843.6 840.7 838.7 840.7 840.1 837.0 833.4 835.4 839.1 843.7 843.7 841.0 839.8 MAX. QFE PRESSURE IN HPA 849.2 845.6 842.9 844.4 844.4 841.9 838.0 840.6 844.9 847.7 847.1 847.5 849.2 DAY 9 8 31 17 18 1 9 21 22 18 16 2 MIN. QFE PRESSURE IN HPA 837.6 835.1 833.7 835.4 833.0 831.4 829.7 830.4 832.8 839.6 840.6 834.7 829.7 DAY 26 23 12 9 2 29 28 6 1 31 23 29 MEAN QNH PRESSURE IN HPA 1016.8 1013.4 1011.0 1013.4 1012.7 1009.1 1004.9 1007.3 1011.5 1016.8 1016.9 1013.7 1012.3 MAX. QNH PRESSURE IN HPA 1023.3 1019.1 1015.9 1017.7 1017.7 1014.8 1010.3 1013.3 1018.3 1021.5 1020.8 1021.3 1023.3 DAY 9 8 31 17 18 1 9 21 22 18 16 2 MIN. QNH PRESSURE IN HPA 1009.8 1006.9 1005.2 1007.2 1004.4 1002.6 1000.6 1001.4 1004.2 1012.1 1013.3 1006.4 1000.6 DAY 26 23 12 9 2 29 28 6 1 31 23 29 MEAN QFF PRESSURE IN HPA 1019.0 1012.3 1006.9 1005.8 1002.9 996.0 989.4 992.8 999.7 1010.4 1013.1 1014.1 1005.2 MAX. QFF PRESSURE IN HPA 1027.8 1019.3 1011.1 1012.4 1010.2 1004.3 995.0 1000.3 1007.6 1015.7 1018.5 1023.1 1027.8 DAY 9 8 22 12 8 1 10 22 22 12 28 21 MIN. QFF PRESSURE IN HPA 1010.1 1004.7 1001.8 999.7 996.8 987.9 985.3 986.3 991.0 1003.4 1007.2 1006.2 985.3 DAY 26 23 3 9 2 29 27 7 1 1 2 29 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 843.6 841.0 838.7 840.9 840.2 837.3 833.7 835.9 839.4 843.8 843.7 840.8 839.9 MAX. QFE PRESSURE IN HPA 849.1 845.9 843.4 844.8 846.3 841.9 838.7 840.9 845.0 847.9 847.1 846.6 849.1 DAY 9 8 31 1 8 1 9 21 21 18 16 2 MIN. QFE PRESSURE IN HPA 837.3 836.2 833.5 835.0 834.6 831.8 830.1 830.8 833.3 839.5 840.4 834.6 830.1 DAY 26 22 12 9 2 29 27 6 1 31 23 28 MEAN QNH PRESSURE IN HPA 1016.8 1013.8 1011.0 1013.6 1012.8 1009.4 1005.3 1007.8 1011.9 1017.0 1016.9 1013.5 1012.5 MAX. QNH PRESSURE IN HPA 1023.2 1019.4 1016.5 1018.2 1019.9 1014.8 1011.1 1013.6 1018.4 1021.8 1020.8 1020.3 1023.2 DAY 9 8 31 1 8 1 9 21 21 18 16 2 MIN. QNH PRESSURE IN HPA 1009.4 1008.2 1005.0 1006.8 1006.3 1003.0 1001.1 1001.9 1004.8 1012.0 1013.0 1006.3 1001.1 DAY 26 22 12 9 2 29 27 6 1 31 23 28 MEAN QFF PRESSURE IN HPA 1017.4 1011.4 1006.0 1005.4 1002.0 995.9 989.2 992.3 999.1 1009.5 1011.9 1012.4 1004.4 MAX. QFF PRESSURE IN HPA 1026.0 1018.8 1010.7 1012.8 1009.4 1002.7 994.9 1000.0 1006.4 1014.9 1017.5 1020.8 1026.0 DAY 9 8 22 12 9 1 9 21 23 18 16 23 MIN. QFF PRESSURE IN HPA 1007.9 1003.8 1000.1 998.3 996.9 986.7 984.5 984.7 990.7 1001.1 1006.6 1005.0 984.5 DAY 26 22 3 9 21 29 27 6 1 6 23 29 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION ESFAHAN (40800) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 37 N LONGITUDE 51 40 E DATA PROCESSING CENTER ELEVATION 1550.4 M MEANS AND EXTREMES FOR THE YEAR 1956 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 1.8 6.9 9.9 15.2 20.7 25.5 27.6 24.6 21.5 13.8 8.7 3.1 14.9 MINIMUN AIR TEMPERATURE (C) -3.9 -0.3 3.5 7.7 10.4 15.1 18.3 15.0 11.9 3.9 0.1 -1.8 6.6 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 0 0 5 0 0 0 0 0 5 DAYS WITH MINIMUM TEMP. <=-4 19 7 0 1 0 0 0 0 0 0 0 7 34 DAYS WITH FREEZING MIN.<= 0 26 16 3 2 0 0 0 0 0 1 19 23 90 TEMPERATURE RECORDS LOWEST(C) -8.0 -6.0 -3.0 -4.0 6.0 11.0 14.0 11.0 7.0 0.0 -3.0 -7.0 -8.0 DAY 18 13 5 2 1 3 2 31 30 31 18 14 MAXIMUM AIR TEMPERATURE (C) 9.0 14.9 17.1 23.0 30.4 35.6 36.8 34.1 32.2 25.7 19.3 9.5 24.0 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 0 20 30 31 30 26 0 0 0 137 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 14.0 19.0 22.0 29.0 35.0 39.0 42.0 36.0 35.0 29.0 23.0 18.0 42.0 DAY 28 28 22 11 31 27 14 4 16 14 5 8 DIF. BETWEEN (MAX.-MIN.) (C) 12.9 15.2 13.6 15.3 20.0 20.5 18.5 19.1 20.3 21.8 19.2 11.3 17.4 MEAN DAILY TEMP. (MDT) (C) 2.5 7.3 10.3 15.3 20.4 25.3 27.5 24.5 22.0 14.8 9.7 3.8 15.3 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 0.0 24.5 129.5 202.5 109.5 44.0 0.0 0.0 0.0 510.0 HEATING DEG. DAYS(BASE 18 0C) 448.5 310.5 238.5 84.0 12.5 0.0 0.0 0.0 3.5 98.0 250.0 425.0 1870.5 DEWPOINT (MEAN C) -4.8 -3.1 -2.1 4.8 6.3 12.0 14.3 11.4 10.1 4.1 -0.8 -2.0 4.2 MIXING RATIO (G/KG) 3.30 3.86 4.14 6.85 7.39 10.84 12.66 10.38 9.55 6.18 4.35 4.02 6.96 VAPOUR PRESSURE (HPA) 4.43 5.18 5.53 9.15 9.85 14.34 16.67 13.79 12.71 8.32 5.88 5.43 9.27 SATURATION DEF. (HPA) 2.86 5.37 7.24 9.23 16.69 20.59 22.63 19.22 15.04 9.11 6.33 2.56 11.41 RELATIVE HUMIDITY (MEAN %) 66 53 48 54 43 46 48 47 52 57 56 72 54 RELATIVE HUMIDITY (MAX. %) 86 79 74 78 70 69 73 72 78 85 85 88 78 RELATIVE HUMIDITY (MIN. %) 38 28 27 33 23 27 28 27 29 28 29 52 31 RELATIVE HUMIDITY (MEAN% 03UTC) 81 71 69 74 64 68 70 72 78 84 81 84 75 RELATIVE HUMIDITY (MEAN% 09UTC) 44 35 32 35 26 29 32 29 30 30 30 56 34 RELATIVE HUMIDITY (MEAN% 15UTC) 63 47 39 46 34 43 40 41 48 56 53 68 48 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 9.5 4.8 33.1 40.8 0.0 0.0 65.6 0.0 0.0 0.0 0.0 20.7 174.5 DAYS WITH PRECIPITATION >=10 0 0 1 1 0 0 2 0 0 0 0 1 5 DAYS WITH PRECIPITATION >= 5 1 0 3 1 0 0 3 0 0 0 0 1 9 DAYS WITH PRECIPITATION >= 1 2 3 6 7 0 0 3 0 0 0 0 5 26 DAYS WITH PRECIPITATION 3 5 9 13 0 0 5 0 1 0 0 11 47 GREATEST DAILY PRECIPITATION 5.0 2.4 13.0 26.3 0.0 0.0 30.0 0.0 0.0 0.0 0.0 11.0 30.0 DAY 14 29 26 23 **