STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1961 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 12.6 14.4 17.2 23.1 33.6 39.5 40.2 40.9 33.7 28.4 19.1 15.5 26.5 MINIMUN AIR TEMPERATURE (C) 6.3 6.9 8.6 14.7 21.6 26.6 28.5 27.5 19.0 14.5 10.7 7.8 16.1 DAYS WITH MINIMUM TEMP. >=21 0 0 0 3 18 30 31 31 7 0 0 0 120 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) 2.0 3.0 3.0 9.0 17.0 21.0 25.0 24.0 10.0 12.0 1.0 2.0 1.0 DAY 25 1 10 5 1 1 8 9 12 25 25 28 MAXIMUM AIR TEMPERATURE (C) 16.9 19.1 22.3 28.0 39.1 44.6 46.6 47.1 40.6 36.2 24.3 21.0 32.2 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 11 30 30 31 31 30 31 7 0 201 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 22.0 22.0 27.0 37.0 43.0 48.0 50.0 49.0 46.0 40.0 32.0 26.0 50.0 DAY 1 21 24 26 12 21 23 9 1 12 2 5 DIF. BETWEEN (MAX.-MIN.) (C) 10.6 12.2 13.7 13.3 17.5 18.0 18.1 19.6 21.6 21.7 13.6 13.2 16.1 MEAN DAILY TEMP. (MDT) (C) 11.6 13.0 15.4 21.4 30.4 35.6 37.5 37.3 29.8 25.4 17.5 14.4 24.1 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 61.5 290.0 438.5 512.0 505.0 264.0 135.5 11.5 0.0 2218.0 HEATING DEG. DAYS(BASE 18 0C) 181.5 140.0 86.5 11.5 0.0 0.0 0.0 0.0 0.0 0.0 59.0 117.0 595.5 DEWPOINT (MEAN C) 7.1 6.6 4.9 8.3 2.6 6.1 9.1 7.7 1.2 1.9 7.8 6.7 5.8 MIXING RATIO (G/KG) 6.62 6.26 5.75 7.23 4.89 6.60 8.21 6.91 4.49 4.58 6.97 6.37 6.24 VAPOUR PRESSURE (HPA) 10.56 9.97 9.13 11.42 7.72 10.32 12.73 10.78 7.07 7.29 11.09 10.15 9.85 SATURATION DEF. (HPA) 4.21 7.03 11.40 18.69 47.30 64.93 65.44 70.34 48.81 34.51 12.50 8.20 32.78 RELATIVE HUMIDITY (MEAN %) 74 64 49 45 17 15 19 15 15 20 52 60 37 RELATIVE HUMIDITY (MAX. %) 92 89 80 75 36 25 31 25 26 30 71 82 55 RELATIVE HUMIDITY (MIN. %) 56 43 31 28 9 10 11 10 8 13 37 42 25 RELATIVE HUMIDITY (MEAN% 03UTC) 90 89 80 72 36 25 30 24 25 28 69 81 54 RELATIVE HUMIDITY (MEAN% 09UTC) 64 51 36 33 12 11 16 12 11 16 44 49 30 RELATIVE HUMIDITY (MEAN% 15UTC) 70 60 44 39 11 12 12 11 9 15 47 55 32 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 327.4 51.3 42.6 65.5 2.0 0.0 0.0 0.0 0.0 0.0 63.0 42.0 593.8 DAYS WITH PRECIPITATION >=10 6 1 0 2 0 0 0 0 0 0 1 2 12 DAYS WITH PRECIPITATION >= 5 7 3 4 4 0 0 0 0 0 0 3 3 24 DAYS WITH PRECIPITATION >= 1 13 6 7 10 1 0 0 0 0 0 5 7 49 DAYS WITH PRECIPITATION 15 8 8 12 3 0 0 0 0 0 5 7 58 GREATEST DAILY PRECIPITATION 120.0 31.0 9.0 18.0 2.0 0.0 0.0 0.0 0.0 0.0 42.0 12.0 120.0 DAY 20 2 20 6 30 ** ** ** ** ** 11 13 DAY WITH THUNDER STORM 2 0 2 3 0 0 0 0 0 0 0 0 7 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 0 2 7 0 14 15 28 31 20 11 0 2 130 WIND DIRECTION (PREVAILING) 180 225 180 135 180 225 135 225 225 180 225 180 180 PREVAILING WIND SPEED(KNOTS) 5.5 5.5 8.7 7.2 7.7 9.5 5.8 7.5 6.8 3.0 4.9 5.7 6.0 PREVAILING WIND PERCENT 17.6 15.7 29.0 16.4 16.1 18.7 25.2 27.7 25.3 23.4 19.3 14.8 18.1 CALMS PERCENT OF WIND 21.6 19.3 22.6 19.7 6.5 12.0 4.5 11.0 16.0 18.4 16.7 26.5 16.2 NO. OF WIND OBSERVATION 148 140 155 152 155 150 155 155 150 158 150 155 1823 VECTOR WIND DIRECTION (MEAN) 116 154 197 138 243 295 188 188 210 202 167 140 194 VECTOR WIND MAGNITUDE(KNOTS) 0.8 0.8 2.9 1.3 0.6 3.2 3.6 2.8 2.4 1.2 1.0 1.3 1.3 WIND STEADINESES (MEAN %) 17.0 16.0 49.2 24.1 8.7 41.0 58.1 49.1 52.2 40.0 25.0 27.1 24.5 WIND SPEED (MEAN KNOTS) 4.7 5.0 5.9 5.4 6.9 7.8 6.2 5.7 4.6 3.0 4.0 4.8 5.3 FASTEST WIND DIRECTION 90 80 170 360 300 270 240 120 340 90 130 120 80 FASTEST WIND SPEED (KNOTS) 18 40 20 20 26 26 20 12 20 13 30 20 40 DAY 16 8 12 18 13 6 6 1 14 21 22 21 DAYS WITH SKY CLEAR (0-2)/8 10 16 8 12 26 30 30 31 30 29 16 13 251 DAYS WITH P.CLOUDY (3-6)/8 11 6 16 9 5 0 1 0 0 2 10 12 72 DAYS WITH CLOUDY (7-8)/8 9 6 7 9 0 0 0 0 0 0 4 6 41 DAYS WITH VISIBILITY =< 2 KM 2 1 1 0 5 2 3 0 5 0 0 0 19 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1961 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1003.2 1001.2 999.4 995.9 990.6 985.2 979.5 981.7 986.7 996.2 1001.9 1001.9 993.6 MAX. QFE PRESSURE IN HPA 1008.3 1006.5 1008.0 1000.9 998.0 991.7 986.4 986.4 992.0 1002.0 1010.2 1008.8 1010.2 DAY-HOUR 25- 6 22- 6 3- 6 26- 6 1- 6 10- 6 25- 6 24- 6 25- 9 23- 6 29- 6 4-15 MIN. QFE PRESSURE IN HPA 995.5 992.8 987.1 988.6 984.6 975.3 975.3 976.6 982.4 988.4 992.8 992.9 975.3 DAY-HOUR 21- 3 2-12 12-15 8- 3 22-15 30-15 1-15 6-15 11-15 2-15 22-12 22-12 MEAN QNH PRESSURE IN HPA 1020.1 1018.0 1016.2 1012.6 1007.3 1001.8 996.0 998.2 1003.3 1013.0 1018.7 1018.8 1010.3 MAX. QNH PRESSURE IN HPA 1025.2 1023.4 1024.9 1017.7 1014.8 1008.4 1003.0 1003.0 1008.7 1018.8 1027.2 1025.7 1027.2 DAY-HOUR 25- 6 22- 6 3- 6 26- 6 1- 6 10- 6 25- 6 24- 6 25- 9 23- 6 29- 6 4-15 MIN. QNH PRESSURE IN HPA 1012.3 1009.5 1003.7 1005.3 1001.2 991.8 991.8 993.1 999.0 1005.1 1009.5 1009.6 991.8 DAY-HOUR 21- 3 2-12 12-15 8- 3 22-15 30-15 1-15 6-15 11-15 2-15 22-12 22-12 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1003.3 1001.4 999.7 995.8 990.9 985.5 979.8 982.0 986.6 995.8 1001.8 1002.1 993.7 MAX. QFE PRESSURE IN HPA 1007.4 1005.4 1006.5 1000.5 996.9 990.7 985.0 985.1 990.5 1000.3 1009.1 1007.0 1009.1 DAY 25 22 3 26 1 11 25 25 25 23 30 1 MIN. QFE PRESSURE IN HPA 995.5 995.3 990.1 988.6 987.0 979.0 976.7 978.3 983.4 988.7 994.5 993.7 976.7 DAY 21 2 30 8 22 30 17 7 1 3 22 22 MEAN QNH PRESSURE IN HPA 1020.1 1018.2 1016.5 1012.6 1007.6 1002.1 996.3 998.6 1003.2 1012.6 1018.7 1018.9 1010.4 MAX. QNH PRESSURE IN HPA 1024.3 1022.3 1023.4 1017.3 1013.7 1007.4 1001.6 1001.7 1007.2 1017.1 1026.0 1023.9 1026.0 DAY 25 22 3 26 1 11 25 25 25 23 30 1 MIN. QNH PRESSURE IN HPA 1012.3 1012.0 1006.8 1005.3 1003.6 995.5 993.2 994.8 1000.0 1005.4 1011.2 1010.4 993.2 DAY 21 2 30 8 22 30 17 7 1 3 22 22 MEAN QFF PRESSURE IN HPA 1021.0 1018.6 1016.7 1012.4 1006.9 1001.1 995.2 997.5 1002.5 1012.2 1018.8 1019.2 1010.2 MAX. QFF PRESSURE IN HPA 1025.0 1022.6 1023.7 1016.9 1013.3 1006.2 1000.5 1000.7 1006.6 1016.9 1026.6 1024.5 1026.6 DAY 25 22 3 26 1 11 25 25 25 24 30 1 MIN. QFF PRESSURE IN HPA 1014.5 1012.4 1006.8 1005.3 1002.7 994.3 992.1 993.8 998.8 1005.0 1011.1 1010.5 992.1 DAY 31 2 30 8 22 30 17 7 1 3 22 22 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1961 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1004.2 1002.3 1000.4 996.9 991.8 986.4 980.7 983.2 987.6 997.0 1003.0 1002.9 994.7 MAX. QFE PRESSURE IN HPA 1008.3 1006.5 1008.0 1000.9 998.0 991.7 986.4 986.4 991.7 1002.0 1010.2 1007.9 1010.2 DAY 25 22 3 26 1 10 25 24 25 23 29 1 MIN. QFE PRESSURE IN HPA 997.6 994.2 990.7 990.5 987.7 979.1 977.7 979.4 984.3 989.8 994.5 993.8 977.7 DAY 21 2 30 8 22 30 17 7 16 2 22 22 MEAN QNH PRESSURE IN HPA 1021.0 1019.1 1017.3 1013.6 1008.5 1003.0 997.2 999.8 1004.3 1013.8 1019.8 1019.7 1011.4 MAX. QNH PRESSURE IN HPA 1025.2 1023.4 1024.9 1017.7 1014.8 1008.4 1003.0 1003.0 1008.4 1018.8 1027.2 1024.8 1027.2 DAY 25 22 3 26 1 10 25 24 25 23 29 1 MIN. QNH PRESSURE IN HPA 1014.4 1010.9 1007.4 1007.2 1004.3 995.6 994.2 995.9 1000.9 1006.5 1011.2 1010.5 994.2 DAY 21 2 30 8 22 30 17 7 16 2 22 22 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1003.7 1001.7 1000.2 996.8 991.4 986.1 980.3 982.4 987.5 997.0 1002.5 1002.4 994.3 MAX. QFE PRESSURE IN HPA 1007.9 1006.2 1008.0 1000.1 997.8 991.4 985.4 986.0 992.0 1002.0 1009.3 1007.8 1009.3 DAY 24 22 3 26 1 10 24 24 25 31 29 1 MIN. QFE PRESSURE IN HPA 997.4 993.0 990.8 991.3 987.3 979.2 977.2 978.8 984.1 989.9 994.8 994.6 977.2 DAY 21 2 30 8 22 30 1 7 1 2 22 22 MEAN QNH PRESSURE IN HPA 1020.5 1018.6 1017.0 1013.6 1008.1 1002.8 996.9 999.0 1004.1 1013.8 1019.3 1019.2 1011.1 MAX. QNH PRESSURE IN HPA 1024.8 1023.1 1024.9 1016.9 1014.6 1008.1 1002.0 1002.6 1008.7 1018.8 1026.2 1024.7 1026.2 DAY 24 22 3 26 1 10 24 24 25 31 29 1 MIN. QNH PRESSURE IN HPA 1014.2 1009.7 1007.5 1008.0 1003.9 995.7 993.7 995.3 1000.7 1006.6 1011.5 1011.3 993.7 DAY 21 2 30 8 22 30 1 7 1 2 22 22 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 1002.2 1000.2 998.5 995.4 989.8 984.6 978.9 980.9 986.2 995.6 1001.2 1001.1 992.9 MAX. QFE PRESSURE IN HPA 1006.7 1004.5 1006.2 998.7 996.0 989.7 983.7 983.7 990.2 1000.8 1008.2 1006.2 1008.2 DAY 24 22 3 2 1 10 24 24 25 31 29 1 MIN. QFE PRESSURE IN HPA 996.5 992.8 987.9 990.3 985.3 977.2 976.1 977.9 983.0 988.7 992.8 992.9 976.1 DAY 31 2 12 8 22 30 1 6 3 2 22 22 MEAN QNH PRESSURE IN HPA 1019.1 1017.0 1015.3 1012.2 1006.5 1001.2 995.4 997.4 1002.8 1012.4 1018.0 1017.9 1009.6 MAX. QNH PRESSURE IN HPA 1023.6 1021.4 1023.1 1015.5 1012.8 1006.4 1000.3 1000.3 1006.9 1017.6 1025.1 1023.1 1025.1 DAY 24 22 3 2 1 10 24 24 25 31 29 1 MIN. QNH PRESSURE IN HPA 1013.3 1009.5 1004.5 1007.0 1001.9 993.7 992.6 994.4 999.6 1005.4 1009.5 1009.6 992.6 DAY 31 2 12 8 22 30 1 6 3 2 22 22 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1961 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1002.7 1000.2 998.2 994.8 989.0 983.4 977.8 979.9 985.5 995.3 1001.2 1001.4 992.4 MAX. QFE PRESSURE IN HPA 1007.4 1004.6 1006.0 998.7 995.0 989.0 982.3 982.9 989.7 1000.6 1009.0 1008.8 1009.0 DAY 24 22 3 20 1 10 25 24 25 31 29 4 MIN. QFE PRESSURE IN HPA 996.4 995.1 987.1 990.0 984.6 975.3 975.3 976.6 982.4 988.4 994.0 994.1 975.3 DAY 31 2 12 29 22 30 1 6 11 2 22 13 MEAN QNH PRESSURE IN HPA 1019.5 1017.0 1015.0 1011.5 1005.7 1000.0 994.3 996.4 1002.1 1012.0 1018.0 1018.2 1009.1 MAX. QNH PRESSURE IN HPA 1024.3 1021.5 1022.9 1015.5 1011.7 1005.7 998.9 999.5 1006.4 1017.4 1025.9 1025.7 1025.9 DAY 24 22 3 20 1 10 25 24 25 31 29 4 MIN. QNH PRESSURE IN HPA 1013.2 1011.8 1003.7 1006.7 1001.2 991.8 991.8 993.1 999.0 1005.1 1010.7 1010.8 991.8 DAY 31 2 12 29 22 30 1 6 11 2 22 13 MEAN QFF PRESSURE IN HPA 1020.0 1017.4 1015.2 1011.4 1005.0 999.0 993.2 995.4 1001.4 1011.7 1018.1 1018.5 1008.9 MAX. QFF PRESSURE IN HPA 1024.9 1021.8 1023.3 1015.3 1011.3 1004.7 997.8 998.5 1005.8 1017.2 1026.4 1026.0 1026.4 DAY 24 22 3 20 1 10 25 24 25 31 29 4 MIN. QFF PRESSURE IN HPA 1013.7 1012.2 1003.8 1006.1 1000.2 990.5 990.7 992.1 998.2 1004.6 1010.6 1011.0 990.5 DAY 31 8 12 29 22 30 1 6 1 2 22 22 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1962 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) ***** 15.9 21.7 ***** 33.8 38.9 41.7 39.8 35.1 29.7 21.0 16.1 ***** MINIMUN AIR TEMPERATURE (C) ***** 7.6 11.5 ***** 21.5 25.8 29.0 28.4 22.1 17.4 10.1 8.1 ***** DAYS WITH MINIMUM TEMP. >=21 **** 0 0 **** 22 30 31 31 20 3 0 0 **** DAYS WITH MINIMUM TEMP. <=-4 **** 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 **** TEMPERATURE RECORDS LOWEST(C) ***** 1.0 6.0 ***** 14.0 21.0 25.0 25.0 16.0 14.0 2.0 2.0 ***** DAY ** 22 4 ** 1 10 4 21 28 15 29 1 MAXIMUM AIR TEMPERATURE (C) ***** 21.3 27.5 ***** 39.0 44.0 46.9 45.1 41.3 36.2 27.9 21.6 ***** DAYS WITH MAXIMUM TEMP. >=30 **** 0 10 **** 31 30 31 31 30 31 7 0 **** DAYS WITH MAXIMUM TEMP. <= 0 **** 0 0 **** 0 0 0 0 0 0 0 0 **** TEMPERATURE RECORDS HIGHEST(C)***** 27.0 34.0 ***** 45.0 46.0 50.0 48.0 45.0 40.0 35.0 26.0 ***** DAY ** 17 23 ** 31 1 6 1 8 3 1 2 DIF. BETWEEN (MAX.-MIN.) (C) ***** 13.7 16.0 ***** 17.5 18.2 17.9 16.7 19.2 18.8 17.8 13.5 ***** MEAN DAILY TEMP. (MDT) (C) ***** 14.4 19.5 ***** 30.2 34.9 38.0 36.8 31.7 26.8 19.0 14.9 ***** COOLING DEG. DAYS(BASE 21 0C)****** 0.0 14.5 ****** 285.5 418.0 526.5 488.5 320.5 179.5 11.0 0.0 ****** HEATING DEG. DAYS(BASE 18 0C)****** 101.0 18.5 ****** 0.0 0.0 0.0 0.0 0.0 0.0 18.0 99.0 ****** DEWPOINT (MEAN C) ***** 6.5 7.2 ***** 7.9 3.3 8.7 12.9 6.7 6.8 8.0 8.3 ***** MIXING RATIO (G/KG) ****** 6.48 6.62 ****** 6.98 5.37 7.65 10.21 6.68 6.40 7.12 7.29 ****** VAPOUR PRESSURE (HPA) ****** 10.30 10.50 ****** 10.99 8.42 11.92 15.86 10.50 10.16 11.32 11.61 ****** SATURATION DEF. 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QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1963 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 15.3 17.5 18.0 25.0 27.4 38.4 40.7 39.7 35.6 29.6 19.7 12.3 26.6 MINIMUN AIR TEMPERATURE (C) 7.6 11.0 8.6 17.7 19.0 25.0 26.8 26.7 21.9 19.0 10.3 5.1 16.6 DAYS WITH MINIMUM TEMP. >=21 0 0 0 4 10 28 31 31 27 9 0 0 140 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 0 0 0 0 0 0 0 0 0 0 0 2 2 TEMPERATURE RECORDS LOWEST(C) 3.0 6.0 1.0 13.0 10.0 20.0 24.0 23.0 20.0 13.0 4.0 -2.0 -2.0 DAY 17 7 9 1 3 12 6 31 27 30 19 28 MAXIMUM AIR TEMPERATURE (C) 20.9 22.8 23.2 29.1 32.0 43.6 46.5 46.0 42.4 35.7 25.5 17.7 32.1 DAYS WITH MAXIMUM TEMP. >=30 0 0 1 15 21 30 31 31 30 31 1 0 191 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 25.0 27.0 30.0 34.0 41.0 48.0 49.0 49.0 44.0 39.0 32.0 24.0 49.0 DAY 29 23 25 21 24 28 18 6 1 2 1 23 DIF. BETWEEN (MAX.-MIN.) (C) 13.3 11.8 14.6 11.4 13.0 18.6 19.7 19.3 20.5 16.7 15.2 12.6 15.5 MEAN DAILY TEMP. (MDT) (C) 14.3 16.9 15.9 23.4 25.5 34.3 36.7 36.4 32.1 27.4 17.9 11.4 24.3 COOLING DEG. DAYS(BASE 21 0C) 0.0 1.5 0.0 77.5 151.0 399.5 485.5 476.0 334.5 197.0 7.5 0.0 2130.0 HEATING DEG. DAYS(BASE 18 0C) 117.5 44.5 72.5 0.0 1.5 0.0 0.0 0.0 0.0 0.0 33.0 204.0 473.0 DEWPOINT (MEAN C) 8.2 9.4 5.6 11.1 11.8 7.6 ***** ***** ***** 6.1 6.6 3.6 ***** MIXING RATIO (G/KG) 6.97 7.58 5.96 8.59 9.10 6.81 ****** ****** ****** 6.23 6.43 5.27 ****** VAPOUR PRESSURE (HPA) 11.10 12.04 9.46 13.54 14.29 10.69 ****** ****** ****** 9.88 10.22 8.41 ****** SATURATION DEF. (HPA) 7.10 8.61 12.26 19.24 24.34 59.18 ****** ****** ****** 33.70 13.90 6.64 ****** RELATIVE HUMIDITY (MEAN %) 66 63 49 47 44 18 *** *** *** 26 46 60 *** RELATIVE HUMIDITY (MAX. %) 89 85 77 74 72 33 *** *** 27 41 74 81 *** RELATIVE HUMIDITY (MIN. %) 46 45 31 32 29 11 *** *** 7 15 29 39 *** RELATIVE HUMIDITY (MEAN% 03UTC) 88 85 76 72 70 33 *** *** 27 40 72 80 *** RELATIVE HUMIDITY (MEAN% 09UTC) 55 52 39 37 37 13 *** *** 10 19 34 47 *** RELATIVE HUMIDITY (MEAN% 15UTC) 62 57 41 41 38 12 *** *** 11 23 42 61 *** RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 42.4 86.8 11.0 7.7 65.1 0.0 0.0 0.0 0.0 0.0 45.0 102.5 360.5 DAYS WITH PRECIPITATION >=10 2 4 0 0 3 0 0 0 0 0 1 6 16 DAYS WITH PRECIPITATION >= 5 4 4 1 0 6 0 0 0 0 0 3 8 26 DAYS WITH PRECIPITATION >= 1 4 5 4 4 8 0 0 0 0 0 4 9 38 DAYS WITH PRECIPITATION 9 10 5 10 10 0 0 0 0 1 7 10 62 GREATEST DAILY PRECIPITATION 18.0 26.0 5.0 3.0 18.0 0.0 0.0 0.0 0.0 0.0 30.0 25.0 30.0 DAY 25 12 28 10 11 ** ** ** ** ** 3 3 DAY WITH THUNDER STORM 3 1 1 0 1 0 0 0 0 0 1 0 7 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 1 1 9 10 2 9 5 1 2 3 1 3 47 WIND DIRECTION (PREVAILING) 90 180 270 180 270 360 180 270 225 225 225 135 180 PREVAILING WIND SPEED(KNOTS) 8.7 12.1 7.6 12.6 8.1 11.5 7.8 7.6 7.4 5.5 4.9 8.9 8.2 PREVAILING WIND PERCENT 13.5 19.3 12.9 23.3 12.8 18.0 23.2 29.0 24.0 20.0 20.7 13.5 13.5 CALMS PERCENT OF WIND 55.5 46.4 29.0 28.7 31.4 36.0 35.5 24.5 27.3 41.3 61.3 53.5 39.2 NO. OF WIND OBSERVATION 155 140 155 150 156 150 155 155 150 155 150 155 1826 VECTOR WIND DIRECTION (MEAN) 93 143 176 158 216 304 218 232 214 196 176 119 191 VECTOR WIND MAGNITUDE(KNOTS) 1.5 1.5 1.5 3.5 0.5 2.5 2.6 2.4 2.7 2.0 0.9 1.5 1.2 WIND STEADINESES (MEAN %) 48.4 30.0 24.2 46.7 8.1 41.0 52.0 40.7 50.0 52.6 40.9 37.5 24.0 WIND SPEED (MEAN KNOTS) 3.1 5.0 6.2 7.5 6.2 6.1 5.0 5.9 5.4 3.8 2.2 4.0 5.0 FASTEST WIND DIRECTION 120 160 270 180 330 350 300 270 300 130 90 90 270 FASTEST WIND SPEED (KNOTS) 24 30 40 40 28 25 20 18 20 24 20 35 40 DAY 25 25 16 9 2 8 14 2 5 23 2 30 DAYS WITH SKY CLEAR (0-2)/8 12 7 17 5 11 29 31 31 30 16 22 17 228 DAYS WITH P.CLOUDY (3-6)/8 13 13 11 13 15 1 0 0 0 13 2 7 88 DAYS WITH CLOUDY (7-8)/8 6 8 3 12 5 0 0 0 0 2 6 6 48 DAYS WITH VISIBILITY =< 2 KM 2 2 10 3 2 4 4 2 0 1 0 3 33 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** 157.7 ****** 192.4 ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1963 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1002.8 1001.0 998.3 994.5 992.2 987.2 ****** ****** ****** 996.7 1000.7 1002.8 ****** MAX. QFE PRESSURE IN HPA 1006.9 1006.8 1005.1 1001.8 997.1 993.2 ****** ****** ****** 1001.2 1005.9 1009.1 ****** DAY-HOUR 21- 6 5- 6 22- 6 1- 6 8- 6 1- 6 **-** **-** **-** 12- 6 29- 6 28- 6 MIN. QFE PRESSURE IN HPA 998.6 994.7 991.3 987.4 984.6 981.0 ****** ****** ****** 991.0 995.6 991.7 ****** DAY-HOUR 28- 3 10-12 30-15 16-12 28-15 18-15 **-** **-** **-** 10-15 1-15 30-15 MEAN QNH PRESSURE IN HPA 1019.7 1017.8 1015.1 1011.2 1008.9 1003.8 ****** ****** ****** 1013.5 1017.5 1019.6 ****** MAX. QNH PRESSURE IN HPA 1023.8 1023.7 1022.0 1018.6 1013.9 1009.9 ****** ****** ****** 1018.0 1022.8 1026.0 ****** DAY-HOUR 21- 6 5- 6 22- 6 1- 6 8- 6 1- 6 **-** **-** **-** 12- 6 29- 6 28- 6 MIN. QNH PRESSURE IN HPA 1015.4 1011.4 1008.0 1004.0 1001.2 997.6 ****** ****** ****** 1007.7 1012.4 1008.4 ****** DAY-HOUR 28- 3 10-12 30-15 16-12 28-15 18-15 **-** **-** **-** 10-15 1-15 30-15 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1002.9 1001.1 998.4 994.4 992.2 987.5 ****** ****** 993.1 997.1 1000.8 1002.8 ****** MAX. QFE PRESSURE IN HPA 1005.7 1006.1 1003.8 999.8 996.7 992.9 ****** ****** 998.2 1000.0 1004.2 1008.2 ****** DAY 21 5 22 1 4 1 ** ** 24 21 29 12 MIN. QFE PRESSURE IN HPA 998.6 996.1 992.3 987.5 988.1 983.0 ****** ****** 989.5 992.4 997.2 994.3 ****** DAY 28 10 5 16 29 15 ** ** 14 10 1 31 MEAN QNH PRESSURE IN HPA 1019.8 1018.0 1015.2 1011.2 1008.9 1004.1 ****** ****** 1009.8 1013.8 1017.6 1019.6 ****** MAX. QNH PRESSURE IN HPA 1022.6 1023.0 1020.7 1016.6 1013.5 1009.6 ****** ****** 1015.0 1016.8 1021.1 1025.1 ****** DAY 21 5 22 1 4 1 ** ** 24 21 29 12 MIN. QNH PRESSURE IN HPA 1015.4 1012.9 1009.0 1004.1 1004.7 999.6 ****** ****** 1006.2 1009.1 1014.0 1011.0 ****** DAY 28 10 5 16 29 15 ** ** 14 10 1 31 MEAN QFF PRESSURE IN HPA 1020.1 1018.1 1015.4 1010.9 1008.5 1003.2 ****** ****** 1009.4 1013.4 1017.7 1020.1 ****** MAX. QFF PRESSURE IN HPA 1023.1 1023.3 1020.9 1016.6 1013.4 1009.0 ****** ****** 1014.3 1016.5 1021.6 1026.0 ****** DAY 21 5 22 1 4 1 ** ** 24 21 29 12 MIN. QFF PRESSURE IN HPA 1015.5 1012.9 1009.1 1003.9 1004.2 998.5 ****** ****** 1006.0 1008.5 1013.7 1011.4 ****** DAY 28 25 5 16 29 15 ** ** 15 10 1 2 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1963 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1004.0 1002.0 999.3 995.5 992.9 987.9 ****** ****** 994.3 998.2 1002.0 1004.0 ****** MAX. QFE PRESSURE IN HPA 1006.9 1006.8 1005.1 1001.8 997.1 993.2 ****** ****** 999.2 1001.2 1005.9 1009.1 ****** DAY 21 5 22 1 8 1 ** ** 24 12 29 28 MIN. QFE PRESSURE IN HPA 1000.3 996.1 991.4 987.8 989.6 983.4 ****** ****** 990.2 993.5 998.2 995.1 ****** DAY 25 10 16 16 29 15 ** ** 14 10 1 2 MEAN QNH PRESSURE IN HPA 1020.9 1018.8 1016.1 1012.2 1009.7 1004.5 ****** ****** 1011.0 1015.0 1018.8 1020.8 ****** MAX. QNH PRESSURE IN HPA 1023.8 1023.7 1022.0 1018.6 1013.9 1009.9 ****** ****** 1016.0 1018.0 1022.8 1026.0 ****** DAY 21 5 22 1 8 1 ** ** 24 12 29 28 MIN. QNH PRESSURE IN HPA 1017.1 1012.9 1008.1 1004.4 1006.3 1000.0 ****** ****** 1006.9 1010.2 1015.0 1011.8 ****** DAY 25 10 16 16 29 15 ** ** 14 10 1 2 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 1003.2 1001.7 998.9 995.4 992.9 987.7 ****** ****** 993.5 997.1 1001.0 1003.0 ****** MAX. QFE PRESSURE IN HPA 1005.6 1005.5 1004.7 1001.3 997.0 993.1 ****** ****** 997.7 1000.5 1004.6 1008.6 ****** DAY 21 5 22 1 7 1 ** ** 24 20 29 28 MIN. QFE PRESSURE IN HPA 1000.0 996.4 991.6 987.8 989.0 983.0 ****** ****** 989.8 992.2 997.8 994.3 ****** DAY 25 10 16 16 28 15 ** ** 14 10 1 2 MEAN QNH PRESSURE IN HPA 1020.0 1018.6 1015.7 1012.1 1009.6 1004.4 ****** ****** 1010.2 1013.9 1017.9 1019.9 ****** MAX. QNH PRESSURE IN HPA 1022.5 1022.4 1021.6 1018.1 1013.8 1009.8 ****** ****** 1014.5 1017.3 1021.5 1025.5 ****** DAY 21 5 22 1 7 1 ** ** 24 20 29 28 MIN. QNH PRESSURE IN HPA 1016.8 1013.2 1008.3 1004.4 1005.7 999.6 ****** ****** 1006.5 1008.9 1014.6 1011.0 ****** DAY 25 10 16 16 28 15 ** ** 14 10 1 2 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 1002.0 1000.2 997.6 994.1 991.8 986.9 ****** ****** 991.8 995.7 999.6 1002.0 ****** MAX. QFE PRESSURE IN HPA 1004.4 1003.7 1002.5 1001.0 996.6 992.4 ****** ****** 996.0 1000.0 1003.6 1008.0 ****** DAY 5 5 22 1 7 1 ** ** 24 20 29 28 MIN. QFE PRESSURE IN HPA 998.7 994.7 991.7 987.4 986.2 982.1 ****** ****** 987.6 991.1 995.9 992.5 ****** DAY 31 10 5 16 28 15 ** ** 14 10 1 30 MEAN QNH PRESSURE IN HPA 1018.8 1017.0 1014.3 1010.8 1008.5 1003.5 ****** ****** 1008.5 1012.5 1016.4 1018.8 ****** MAX. QNH PRESSURE IN HPA 1021.3 1020.6 1019.4 1017.8 1013.4 1009.1 ****** ****** 1012.8 1016.8 1020.5 1024.9 ****** DAY 5 5 22 1 7 1 ** ** 24 20 29 28 MIN. QNH PRESSURE IN HPA 1015.5 1011.4 1008.4 1004.0 1002.8 998.7 ****** ****** 1004.2 1007.8 1012.7 1009.2 ****** DAY 31 10 5 16 28 15 ** ** 14 10 1 30 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1963 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1002.1 1000.1 997.4 993.2 991.3 986.1 ****** ****** 991.5 995.7 999.9 1002.3 ****** MAX. QFE PRESSURE IN HPA 1004.8 1003.5 1002.2 1000.0 996.2 992.0 ****** ****** 995.9 999.0 1003.8 1007.9 ****** DAY 5 5 7 1 3 1 ** ** 24 19 29 11 MIN. QFE PRESSURE IN HPA 998.8 995.1 991.3 987.4 984.6 981.0 ****** ****** 987.4 991.0 995.6 991.7 ****** DAY 31 10 30 24 28 18 ** ** 14 10 1 30 MEAN QNH PRESSURE IN HPA 1018.9 1016.9 1014.1 1010.0 1008.0 1002.8 ****** ****** 1008.2 1012.4 1016.7 1019.1 ****** MAX. QNH PRESSURE IN HPA 1021.7 1020.4 1019.0 1016.8 1013.0 1008.7 ****** ****** 1012.7 1015.8 1020.7 1024.8 ****** DAY 5 5 7 1 3 1 ** ** 24 19 29 11 MIN. QNH PRESSURE IN HPA 1015.6 1011.8 1008.0 1004.0 1001.2 997.6 ****** ****** 1004.0 1007.7 1012.4 1008.4 ****** DAY 31 10 30 24 28 18 ** ** 14 10 1 30 MEAN QFF PRESSURE IN HPA 1019.2 1017.1 1014.3 1009.7 1007.6 1001.8 ****** ****** 1007.5 1012.0 1016.8 1019.7 ****** MAX. QFF PRESSURE IN HPA 1022.0 1020.7 1019.5 1016.8 1013.0 1008.0 ****** ****** 1012.0 1015.5 1021.2 1025.5 ****** DAY 5 5 7 1 3 1 ** ** 24 19 29 11 MIN. QFF PRESSURE IN HPA 1015.8 1012.0 1007.9 1003.6 1000.6 996.7 ****** ****** 1003.2 1007.1 1012.0 1008.7 ****** DAY 29 10 30 24 28 18 ** ** 14 10 1 2 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 DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1964 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 7.9 15.4 21.3 22.9 32.8 39.1 39.9 38.9 34.7 26.6 20.1 13.0 26.0 MINIMUN AIR TEMPERATURE (C) -0.7 7.2 12.8 15.7 20.8 26.3 27.9 25.9 21.1 12.6 10.3 5.6 15.5 DAYS WITH MINIMUM TEMP. >=21 0 0 0 2 16 30 31 31 15 0 0 0 125 DAYS WITH MINIMUM TEMP. <=-4 7 0 0 0 0 0 0 0 0 0 0 0 7 DAYS WITH FREEZING MIN.<= 0 21 0 0 0 0 0 0 0 0 0 0 0 21 TEMPERATURE RECORDS LOWEST(C) -9.0 2.0 8.0 11.0 12.0 22.0 23.0 21.0 17.0 8.0 1.0 1.0 -9.0 DAY 20 1 2 23 3 20 2 27 29 29 28 29 MAXIMUM AIR TEMPERATURE (C) 14.0 20.3 26.5 29.2 38.2 44.2 45.8 45.4 41.6 34.0 26.3 18.5 32.0 DAYS WITH MAXIMUM TEMP. >=30 0 0 5 15 30 30 31 31 30 30 12 0 214 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 17.0 25.0 34.0 34.0 44.0 46.0 51.0 48.0 46.0 39.0 31.0 24.0 51.0 DAY 9 25 26 28 22 4 13 11 13 2 12 8 DIF. BETWEEN (MAX.-MIN.) (C) 14.7 13.1 13.7 13.5 17.4 17.9 17.9 19.5 20.5 21.4 16.0 12.9 16.5 MEAN DAILY TEMP. (MDT) (C) 6.7 13.8 19.7 22.4 29.5 35.2 36.9 35.6 31.3 23.3 18.3 12.1 23.7 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 19.5 53.0 263.5 427.5 492.5 453.5 310.5 79.0 11.0 0.0 2110.0 HEATING DEG. DAYS(BASE 18 0C) 351.5 124.0 16.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 42.0 184.0 717.5 DEWPOINT (MEAN C) -3.9 3.3 4.9 3.0 0.2 2.1 7.5 6.3 4.4 0.6 3.5 3.7 3.0 MIXING RATIO (G/KG) 2.97 5.09 5.62 4.97 4.21 4.60 6.94 6.50 5.52 4.19 5.25 5.22 5.09 VAPOUR PRESSURE (HPA) 4.77 8.12 8.93 7.87 6.66 7.22 10.82 10.11 8.69 6.67 8.37 8.34 8.05 SATURATION DEF. (HPA) 6.56 10.07 17.64 21.31 46.22 65.64 65.58 62.73 50.13 30.88 17.03 7.28 33.42 RELATIVE HUMIDITY (MEAN %) 47 50 39 30 14 11 16 15 17 20 39 59 30 RELATIVE HUMIDITY (MAX. %) 73 77 66 44 28 19 26 26 27 31 56 83 46 RELATIVE HUMIDITY (MIN. %) 27 31 23 17 8 7 10 10 11 13 25 39 18 RELATIVE HUMIDITY (MEAN% 03UTC) 72 74 63 40 27 18 25 23 27 31 54 81 45 RELATIVE HUMIDITY (MEAN% 09UTC) 35 39 29 23 11 9 14 13 13 16 31 46 23 RELATIVE HUMIDITY (MEAN% 15UTC) 42 40 29 21 12 8 11 13 14 17 38 59 25 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 2.0 28.0 10.0 2.0 0.0 0.0 0.0 0.0 0.0 0.0 17.0 79.0 138.0 DAYS WITH PRECIPITATION >=10 0 1 0 0 0 0 0 0 0 0 0 3 4 DAYS WITH PRECIPITATION >= 5 0 2 1 0 0 0 0 0 0 0 1 3 7 DAYS WITH PRECIPITATION >= 1 1 6 2 1 0 0 0 0 0 0 5 5 20 DAYS WITH PRECIPITATION 2 7 4 1 0 0 0 0 0 0 7 6 27 GREATEST DAILY PRECIPITATION 2.0 10.0 8.0 2.0 0.0 0.0 0.0 0.0 0.0 0.0 5.0 33.0 33.0 DAY 19 10 19 17 ** ** ** ** ** ** 22 12 DAY WITH THUNDER STORM 0 0 1 0 0 0 0 0 0 0 2 0 3 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 2 2 14 17 16 15 21 15 8 3 3 1 117 WIND DIRECTION (PREVAILING) 315 135 180 225 225 225 225 225 225 225 225 135 225 PREVAILING WIND SPEED(KNOTS) 6.6 8.2 13.6 10.1 9.1 10.9 8.4 7.5 8.1 7.2 7.3 7.5 8.3 PREVAILING WIND PERCENT 8.4 11.7 12.0 18.4 17.4 15.9 25.2 25.8 25.8 21.3 11.3 10.3 16.0 CALMS PERCENT OF WIND 72.3 40.7 40.7 31.4 38.1 41.7 29.7 31.6 45.7 57.4 50.7 58.7 44.4 NO. OF WIND OBSERVATION 155 145 167 223 155 151 155 155 151 155 150 155 1917 VECTOR WIND DIRECTION (MEAN) 265 90 154 183 257 256 182 211 228 225 171 80 208 VECTOR WIND MAGNITUDE(KNOTS) 0.8 1.1 2.5 3.2 2.6 3.7 4.2 3.2 3.4 2.1 1.0 0.9 1.7 WIND STEADINESES (MEAN %) 38.1 25.6 40.3 43.8 41.3 59.7 68.9 62.7 73.9 70.0 25.6 23.7 34.7 WIND SPEED (MEAN KNOTS) 2.1 4.3 6.2 7.3 6.3 6.2 6.1 5.1 4.6 3.0 3.9 3.8 4.9 FASTEST WIND DIRECTION 160 50 120 240 340 250 240 220 260 240 150 90 120 FASTEST WIND SPEED (KNOTS) 20 20 30 30 25 26 25 16 20 16 25 25 30 DAY 18 29 12 9 26 19 11 20 8 3 5 11 DAYS WITH SKY CLEAR (0-2)/8 19 13 13 14 20 27 29 31 30 31 17 14 258 DAYS WITH P.CLOUDY (3-6)/8 8 8 10 11 5 3 2 0 0 0 7 10 64 DAYS WITH CLOUDY (7-8)/8 4 8 8 5 6 0 0 0 0 0 6 7 44 DAYS WITH VISIBILITY =< 2 KM 3 2 11 10 2 2 8 2 0 0 3 0 43 DURATION OF SUNSHINE HOURS 211.6 165.3 181.0 187.2 287.2 346.6 326.6 328.5 305.7 301.2 188.0 192.9 3021.8 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1964 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1006.3 1000.0 997.0 994.0 992.3 984.2 980.9 981.3 988.5 997.3 1001.2 1004.3 993.9 MAX. QFE PRESSURE IN HPA 1012.8 1006.6 1004.0 1004.1 997.1 991.4 987.1 985.9 998.5 1003.6 1006.5 1011.2 1012.8 DAY-HOUR 21- 6 1- 3 14- 6 24- 6 3- 6 2- 6 21- 6 28- 6 29- 6 30- 6 29- 6 3- 6 MIN. QFE PRESSURE IN HPA 992.1 994.2 989.3 983.0 986.1 978.4 975.9 976.0 982.0 989.1 994.0 997.6 975.9 DAY-HOUR 18-15 13-12 12- 6 17-12 6-12 26-15 11-15 12-15 2-15 2-12 22-12 16-15 MEAN QNH PRESSURE IN HPA 1023.2 1016.8 1013.7 1010.8 1009.0 1000.8 997.5 997.8 1005.2 1014.0 1018.0 1021.2 1010.7 MAX. QNH PRESSURE IN HPA 1029.8 1023.5 1020.9 1021.0 1013.9 1008.1 1003.7 1002.5 1015.3 1020.5 1023.4 1028.2 1029.8 DAY-HOUR 21- 6 1- 3 14- 6 24- 6 3- 6 2- 6 21- 6 28- 6 29- 6 30- 6 29- 6 3- 6 MIN. QNH PRESSURE IN HPA 1008.8 1010.9 1006.0 999.6 1002.7 994.9 992.4 992.5 998.6 1005.8 1010.7 1014.4 992.4 DAY-HOUR 18-15 13-12 12- 6 17-12 6-12 26-15 11-15 12-15 2-15 2-12 22-12 16-15 MEAN QFF PRESSURE IN HPA ****** ****** ****** 1010.3 ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** 1020.8 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** 24- 6 **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** 999.0 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** 17-12 **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** 993.6 ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** 1003.1 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** 24 ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** 985.8 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** 22 ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** 1010.3 ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** 1020.0 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** 24 ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** 1002.4 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** 22 ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** 1010.0 ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** 1019.8 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** 24 ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** 1002.0 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** 22 ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1006.4 1000.5 997.4 994.3 992.5 984.7 981.3 981.6 988.7 997.4 1001.4 1004.5 994.2 MAX. QFE PRESSURE IN HPA 1011.0 1006.6 1002.5 1003.3 996.0 991.2 986.3 984.9 997.2 1002.8 1005.9 1010.4 1011.0 DAY 21 1 14 24 4 3 21 15 29 30 29 4 MIN. QFE PRESSURE IN HPA 999.4 996.4 989.7 986.0 989.1 980.7 977.3 977.5 985.1 990.9 996.5 998.0 977.3 DAY 18 13 12 17 6 24 6 13 8 2 25 17 MEAN QNH PRESSURE IN HPA 1023.3 1017.3 1014.2 1011.0 1009.2 1001.3 997.9 998.2 1005.4 1014.2 1018.3 1021.4 1011.0 MAX. QNH PRESSURE IN HPA 1028.0 1023.5 1019.4 1020.2 1012.8 1007.9 1002.9 1001.5 1014.0 1019.7 1022.8 1027.4 1028.0 DAY 21 1 14 24 4 3 21 15 29 30 29 4 MIN. QNH PRESSURE IN HPA 1016.2 1013.2 1006.4 1002.6 1005.8 997.2 993.8 994.0 1001.7 1007.6 1013.3 1014.8 993.8 DAY 18 13 12 17 6 24 6 13 8 2 25 17 MEAN QFF PRESSURE IN HPA 1024.1 1017.6 1014.1 1010.8 1008.7 1000.4 996.8 997.2 1004.7 1014.0 1018.4 1021.9 1010.7 MAX. QFF PRESSURE IN HPA 1029.2 1024.1 1019.5 1020.1 1012.5 1006.9 1001.8 1000.5 1013.5 1019.7 1023.5 1027.9 1029.2 DAY 21 1 14 24 4 3 21 15 29 30 29 4 MIN. QFF PRESSURE IN HPA 1016.7 1013.4 1006.0 1002.1 1005.0 996.2 992.7 992.9 1000.9 1007.1 1013.2 1015.1 992.7 DAY 18 13 12 17 29 27 6 13 8 2 25 17 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1964 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1007.7 1001.5 998.5 995.5 993.5 985.4 982.0 982.5 989.9 998.6 1002.7 1005.8 995.3 MAX. QFE PRESSURE IN HPA 1012.8 1006.5 1004.0 1004.1 997.1 991.4 987.1 985.9 998.5 1003.6 1006.5 1011.2 1012.8 DAY 21 1 14 24 3 2 21 28 29 30 29 3 MIN. QFE PRESSURE IN HPA 999.4 996.8 989.3 987.0 989.0 981.3 978.0 978.5 985.9 992.1 998.1 999.4 978.0 DAY 18 13 12 17 6 26 4 13 2 2 27 17 MEAN QNH PRESSURE IN HPA 1024.6 1018.3 1015.3 1012.2 1010.2 1002.0 998.6 999.1 1006.6 1015.4 1019.5 1022.7 1012.0 MAX. QNH PRESSURE IN HPA 1029.8 1023.4 1020.9 1021.0 1013.9 1008.1 1003.7 1002.5 1015.3 1020.5 1023.4 1028.2 1029.8 DAY 21 1 14 24 3 2 21 28 29 30 29 3 MIN. QNH PRESSURE IN HPA 1016.2 1013.6 1006.0 1003.6 1005.7 997.9 994.5 995.0 1002.5 1008.8 1014.9 1016.2 994.5 DAY 18 13 12 17 6 26 4 13 2 2 27 17 MEAN QFF PRESSURE IN HPA ****** ****** ****** 1011.6 ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** 1020.8 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** 24 ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** 1003.2 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** 21 ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1006.6 1000.5 997.8 994.7 993.0 984.8 981.6 981.8 989.0 997.6 1001.4 1004.4 994.4 MAX. QFE PRESSURE IN HPA 1011.7 1004.5 1003.9 1002.7 996.4 991.0 986.4 985.6 997.8 1002.5 1005.9 1010.6 1011.7 DAY 21 1 14 24 3 2 21 28 29 30 28 3 MIN. QFE PRESSURE IN HPA 996.9 995.7 992.4 984.5 988.0 980.7 978.7 977.8 984.5 990.8 996.2 998.6 977.8 DAY 18 13 12 17 6 26 3 13 2 2 22 31 MEAN QNH PRESSURE IN HPA 1023.5 1017.3 1014.6 1011.5 1009.7 1001.4 998.2 998.4 1005.7 1014.4 1018.2 1021.3 1011.2 MAX. QNH PRESSURE IN HPA 1028.7 1021.4 1020.8 1019.6 1013.2 1007.7 1003.0 1002.2 1014.6 1019.4 1022.8 1027.6 1028.7 DAY 21 1 14 24 3 2 21 28 29 30 28 3 MIN. QNH PRESSURE IN HPA 1013.7 1012.5 1009.1 1001.1 1004.6 997.2 995.2 994.3 1001.1 1007.5 1013.0 1015.4 994.3 DAY 18 13 12 17 6 26 3 13 2 2 22 31 MEAN QFF PRESSURE IN HPA ****** ****** ****** 1010.8 ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** 1019.3 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** 24 ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** 1000.6 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** 17 ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 1005.1 998.7 995.8 993.1 991.5 983.5 980.3 980.4 987.6 996.3 1000.0 1003.3 993.0 MAX. QFE PRESSURE IN HPA 1010.3 1002.7 1002.3 1001.2 995.0 989.1 985.8 984.1 996.1 1001.4 1005.5 1009.0 1010.3 DAY 21 16 14 24 2 2 21 28 29 29 28 3 MIN. QFE PRESSURE IN HPA 993.4 994.2 991.6 983.0 986.1 979.2 977.1 976.7 982.4 989.1 994.0 997.7 976.7 DAY 18 13 12 17 6 26 11 11 2 2 22 16 MEAN QNH PRESSURE IN HPA 1022.0 1015.5 1012.5 1009.8 1008.2 1000.1 996.8 997.0 1004.2 1013.1 1016.8 1020.2 1009.7 MAX. QNH PRESSURE IN HPA 1027.3 1019.6 1019.1 1018.0 1011.7 1005.8 1002.4 1000.7 1012.9 1018.2 1022.4 1025.9 1027.3 DAY 21 16 14 24 2 2 21 28 29 29 28 3 MIN. QNH PRESSURE IN HPA 1010.1 1010.9 1008.3 999.6 1002.7 995.7 993.6 993.2 999.0 1005.8 1010.7 1014.5 993.2 DAY 18 13 12 17 6 26 11 11 2 2 22 16 MEAN QFF PRESSURE IN HPA ****** ****** ****** 1009.1 ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** 1017.9 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** 23 ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** 999.0 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** 17 ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1964 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1005.7 999.1 995.9 993.0 990.9 982.8 979.4 980.0 987.4 996.4 1000.4 1003.6 992.9 MAX. QFE PRESSURE IN HPA 1010.1 1003.3 1002.3 1001.3 994.2 988.4 984.8 983.6 996.1 1001.3 1006.0 1009.1 1010.1 DAY 21 16 14 23 17 2 21 28 29 29 28 3 MIN. QFE PRESSURE IN HPA 992.1 994.5 992.5 984.6 986.7 978.4 975.9 976.0 982.0 989.4 994.4 997.6 975.9 DAY 18 29 12 21 28 26 11 12 2 2 22 16 MEAN QNH PRESSURE IN HPA 1022.6 1015.9 1012.7 1009.7 1007.6 999.3 995.9 996.6 1004.0 1013.2 1017.2 1020.4 1009.6 MAX. QNH PRESSURE IN HPA 1027.1 1020.2 1019.1 1018.1 1010.9 1005.1 1001.4 1000.2 1012.9 1018.1 1022.9 1026.0 1027.1 DAY 21 16 14 23 17 2 21 28 29 29 28 3 MIN. QNH PRESSURE IN HPA 1008.8 1011.2 1009.2 1001.2 1003.3 994.9 992.4 992.5 998.6 1006.1 1011.1 1014.4 992.4 DAY 18 29 12 21 28 26 11 12 2 2 22 16 MEAN QFF PRESSURE IN HPA 1023.4 1016.2 1012.6 1009.4 1007.0 998.3 994.8 995.6 1003.3 1013.0 1017.3 1020.9 1009.3 MAX. QFF PRESSURE IN HPA 1028.2 1020.6 1019.3 1018.2 1010.7 1004.1 1000.3 999.1 1012.4 1018.2 1023.7 1026.6 1028.2 DAY 21 16 14 23 1 2 21 31 29 29 28 3 MIN. QFF PRESSURE IN HPA 1009.1 1011.5 1009.0 1000.8 1002.5 993.9 991.3 991.4 997.7 1005.6 1011.1 1014.8 991.3 DAY 18 29 12 21 28 26 11 12 2 2 22 16 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** 994.0 ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** 1003.1 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** 23 ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** 986.1 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** 21 ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** 1010.7 ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** 1020.0 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** 23 ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** 1002.7 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** 21 ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** 1010.5 ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** 1019.8 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** 23 ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** 1002.2 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** 21 ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** 994.3 ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** 1003.2 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** 23 ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** 986.2 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** 21 ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** 1011.0 ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** 1020.1 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** 23 ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** 1002.8 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** 21 ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** 1010.7 ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** 1019.9 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** 23 ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** 1002.4 ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** 21 ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1965 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 11.5 14.9 19.3 23.0 34.3 38.9 40.0 40.3 35.8 28.5 20.9 15.1 26.9 MINIMUN AIR TEMPERATURE (C) 6.4 6.9 10.5 12.4 21.2 25.1 26.5 28.4 22.7 20.0 13.7 5.7 16.6 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 18 28 31 31 23 14 1 0 146 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 1 0 0 0 0 0 0 0 0 0 0 3 4 TEMPERATURE RECORDS LOWEST(C) 0.0 3.0 4.0 3.0 13.0 20.0 23.0 24.0 16.0 12.0 8.0 -2.0 -2.0 DAY 11 4 15 5 3 19 14 30 23 26 13 23 MAXIMUM AIR TEMPERATURE (C) 15.5 20.5 24.6 28.0 39.8 44.1 45.7 46.0 41.8 33.6 26.3 21.5 32.3 DAYS WITH MAXIMUM TEMP. >=30 0 0 1 11 30 30 31 31 30 25 5 0 194 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 20.0 25.0 30.0 36.0 46.0 47.0 51.0 49.0 45.0 40.0 33.0 28.0 51.0 DAY 25 27 10 27 21 22 16 22 5 5 5 5 DIF. BETWEEN (MAX.-MIN.) (C) 9.1 13.6 14.1 15.6 18.6 19.0 19.2 17.6 19.1 13.6 12.6 15.8 15.7 MEAN DAILY TEMP. (MDT) (C) 11.0 13.7 17.5 20.2 30.5 34.6 36.1 37.2 32.3 26.8 20.0 13.6 24.5 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 2.0 41.0 294.5 408.5 469.5 502.0 338.5 184.5 25.0 0.0 2265.5 HEATING DEG. DAYS(BASE 18 0C) 218.0 121.0 35.0 25.0 0.0 0.0 0.0 0.0 0.0 0.0 10.5 137.0 546.5 DEWPOINT (MEAN C) 6.3 4.8 7.1 4.3 3.3 0.4 5.6 10.0 3.5 9.9 10.9 4.1 5.9 MIXING RATIO (G/KG) 6.22 5.63 6.71 5.51 5.06 4.15 5.97 8.42 5.24 8.01 8.45 5.28 6.22 VAPOUR PRESSURE (HPA) 9.89 8.97 10.66 8.73 7.99 6.53 9.34 13.14 8.28 12.66 13.42 8.43 9.83 SATURATION DEF. (HPA) 4.08 8.76 12.72 21.27 49.58 65.55 67.87 64.81 53.72 28.34 12.32 9.87 33.24 RELATIVE HUMIDITY (MEAN %) 73 56 51 35 17 10 14 19 15 36 57 52 36 RELATIVE HUMIDITY (MAX. %) 90 85 81 63 31 21 26 33 26 55 81 75 56 RELATIVE HUMIDITY (MIN. %) 57 34 32 21 10 6 9 12 10 25 38 32 24 RELATIVE HUMIDITY (MEAN% 03UTC) 87 84 80 60 30 21 25 32 25 52 79 73 54 RELATIVE HUMIDITY (MEAN% 09UTC) 63 41 40 25 12 8 11 16 11 30 45 38 28 RELATIVE HUMIDITY (MEAN% 15UTC) 73 50 40 30 12 7 10 13 12 32 56 52 32 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 236.0 7.0 42.0 18.5 0.4 0.0 0.0 0.0 0.0 24.0 67.4 3.0 398.3 DAYS WITH PRECIPITATION >=10 6 0 2 1 0 0 0 0 0 1 3 0 13 DAYS WITH PRECIPITATION >= 5 7 0 2 1 0 0 0 0 0 1 4 0 15 DAYS WITH PRECIPITATION >= 1 10 3 4 6 0 0 0 0 0 5 7 2 37 DAYS WITH PRECIPITATION 11 3 4 7 1 0 0 0 0 5 8 2 41 GREATEST DAILY PRECIPITATION 76.0 3.0 25.0 12.0 0.4 0.0 0.0 0.0 0.0 19.0 20.0 2.0 76.0 DAY 9 14 2 19 10 ** ** ** ** 22 18 28 DAY WITH THUNDER STORM 1 0 0 0 0 0 0 0 0 0 1 0 2 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 0 10 7 4 12 11 16 7 11 3 0 1 82 WIND DIRECTION (PREVAILING) 135 225 225 180 225 270 225 180 225 180 90 135 225 PREVAILING WIND SPEED(KNOTS) 12.9 7.9 7.3 8.5 10.1 12.0 9.4 8.0 7.6 6.0 7.5 9.9 8.2 PREVAILING WIND PERCENT 11.5 8.6 12.9 16.7 14.2 20.0 22.6 23.9 20.7 16.1 13.3 7.1 12.1 CALMS PERCENT OF WIND 54.5 58.6 47.7 30.7 25.8 17.3 28.4 27.1 45.3 30.3 44.0 65.8 39.5 NO. OF WIND OBSERVATION 156 140 155 150 155 150 155 155 150 155 150 155 1826 VECTOR WIND DIRECTION (MEAN) 111 205 183 164 245 287 201 208 197 207 91 126 205 VECTOR WIND MAGNITUDE(KNOTS) 2.0 1.2 0.9 1.2 1.6 3.7 3.1 3.4 2.6 0.6 0.8 0.5 1.2 WIND STEADINESES (MEAN %) 42.6 36.4 20.9 19.0 21.3 45.1 50.0 52.3 55.3 12.0 25.8 17.2 23.1 WIND SPEED (MEAN KNOTS) 4.7 3.3 4.3 6.3 7.5 8.2 6.2 6.5 4.7 5.0 3.1 2.9 5.2 FASTEST WIND DIRECTION 10 240 40 120 150 250 260 250 260 70 90 90 260 FASTEST WIND SPEED (KNOTS) 26 18 25 26 26 24 30 22 18 23 20 20 30 DAY 8 9 2 9 11 15 10 3 21 8 18 24 DAYS WITH SKY CLEAR (0-2)/8 7 16 14 15 22 30 31 29 24 2 12 20 222 DAYS WITH P.CLOUDY (3-6)/8 9 9 11 8 5 0 0 2 3 18 11 8 84 DAYS WITH CLOUDY (7-8)/8 15 3 6 7 4 0 0 0 3 11 7 3 59 DAYS WITH VISIBILITY =< 2 KM 2 6 2 4 3 1 2 1 1 1 0 1 24 DURATION OF SUNSHINE HOURS 141.8 200.8 178.2 216.7 293.4 357.7 363.4 330.7 250.6 121.6 169.2 207.9 2832.0 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1965 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1000.4 1000.4 999.2 996.0 991.3 986.2 982.0 985.3 990.6 997.0 1001.8 1002.9 994.4 MAX. QFE PRESSURE IN HPA 1011.1 1008.5 1005.3 1005.1 1002.2 991.4 987.4 992.2 997.5 1005.2 1009.1 1009.3 1011.1 DAY-HOUR 16- 6 25- 6 16- 6 6- 6 4- 6 11- 6 5- 6 14- 6 30- 6 29- 6 28- 6 30- 6 MIN. QFE PRESSURE IN HPA 986.6 991.2 991.8 985.5 984.6 979.9 976.2 978.8 985.5 988.8 995.8 997.5 976.2 DAY-HOUR 9-12 9- 3 23-12 3-15 30-15 22-15 27-15 1-15 2-15 24-15 6-12 7-15 MEAN QNH PRESSURE IN HPA 1017.2 1017.2 1016.0 1012.8 1008.0 1002.9 998.5 1001.9 1007.3 1013.8 1018.6 1019.8 1011.2 MAX. QNH PRESSURE IN HPA 1028.1 1025.4 1022.2 1022.0 1019.0 1008.1 1004.0 1008.9 1014.3 1022.1 1026.0 1026.2 1028.1 DAY-HOUR 16- 6 25- 6 16- 6 6- 6 4- 6 11- 6 5- 6 14- 6 30- 6 29- 6 28- 6 30- 6 MIN. QNH PRESSURE IN HPA 1003.2 1007.9 1008.5 1002.1 1001.2 996.4 992.7 995.3 1002.1 1005.5 1012.6 1014.3 992.7 DAY-HOUR 9-12 9- 3 23-12 3-15 30-15 22-15 27-15 1-15 2-15 24-15 6-12 7-15 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1000.6 1000.4 999.4 996.4 991.8 986.8 982.4 985.9 990.8 997.1 1001.9 1003.0 994.7 MAX. QFE PRESSURE IN HPA 1010.2 1007.2 1004.1 1004.7 1000.9 990.8 986.8 991.9 996.7 1000.3 1007.6 1007.9 1010.2 DAY 16 25 16 6 4 11 5 14 30 28 28 30 MIN. QFE PRESSURE IN HPA 990.7 991.2 992.6 989.0 986.3 982.0 978.1 980.3 986.9 991.4 996.6 999.0 978.1 DAY 9 9 23 19 30 23 28 2 2 9 6 14 MEAN QNH PRESSURE IN HPA 1017.4 1017.2 1016.2 1013.2 1008.5 1003.4 999.0 1002.6 1007.5 1013.8 1018.7 1019.8 1011.4 MAX. QNH PRESSURE IN HPA 1027.2 1024.1 1021.0 1021.6 1017.7 1007.5 1003.4 1008.6 1013.5 1017.1 1024.5 1024.8 1027.2 DAY 16 25 16 6 4 11 5 14 30 28 28 30 MIN. QNH PRESSURE IN HPA 1007.4 1007.9 1009.3 1005.7 1002.9 998.6 994.6 996.8 1003.5 1008.1 1013.4 1015.8 994.6 DAY 9 9 23 19 30 23 28 2 2 9 6 14 MEAN QFF PRESSURE IN HPA 1017.9 1017.5 1016.3 1013.1 1007.8 1002.4 998.0 1001.5 1006.8 1013.4 1018.7 1020.3 1011.1 MAX. QFF PRESSURE IN HPA 1027.8 1024.6 1021.3 1022.0 1017.5 1006.6 1002.5 1007.5 1012.8 1017.1 1024.7 1025.4 1027.8 DAY 16 25 16 6 4 11 5 14 30 30 28 30 MIN. QFF PRESSURE IN HPA 1007.8 1008.1 1009.2 1005.2 1001.9 997.6 993.5 995.8 1002.8 1007.5 1013.0 1016.2 993.5 DAY 9 9 23 19 30 23 28 2 2 9 6 14 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1965 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1001.8 1001.6 1000.5 997.3 992.5 987.4 983.0 986.9 991.8 998.5 1003.2 1004.2 995.7 MAX. QFE PRESSURE IN HPA 1011.1 1008.5 1005.3 1005.1 1002.2 991.4 987.4 992.2 997.5 1005.2 1009.1 1009.3 1011.1 DAY 16 25 16 6 4 11 5 14 30 29 28 30 MIN. QFE PRESSURE IN HPA 990.0 993.3 992.6 988.7 986.7 982.4 978.9 981.0 987.6 993.5 998.6 1000.0 978.9 DAY 9 9 23 19 30 29 28 1 2 9 6 14 MEAN QNH PRESSURE IN HPA 1018.6 1018.4 1017.3 1014.1 1009.2 1004.0 999.6 1003.5 1008.5 1015.3 1020.0 1021.1 1012.5 MAX. QNH PRESSURE IN HPA 1028.1 1025.4 1022.2 1022.0 1019.0 1008.1 1004.0 1008.9 1014.3 1022.1 1026.0 1026.2 1028.1 DAY 16 25 16 6 4 11 5 14 30 29 28 30 MIN. QNH PRESSURE IN HPA 1006.7 1010.0 1009.3 1005.4 1003.3 999.0 995.4 997.6 1004.2 1010.2 1015.4 1016.8 995.4 DAY 9 9 23 19 30 29 28 1 2 9 6 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 1000.8 1000.9 999.9 996.7 992.0 986.9 982.7 986.1 991.2 997.7 1002.1 1003.3 995.0 MAX. QFE PRESSURE IN HPA 1010.4 1008.0 1004.6 1004.8 1001.6 991.0 986.5 990.7 997.3 1004.5 1008.0 1008.3 1010.4 DAY 16 25 16 6 4 1 5 14 30 29 28 29 MIN. QFE PRESSURE IN HPA 987.4 994.9 993.2 988.5 986.3 982.0 978.8 980.6 987.3 991.7 997.6 999.5 978.8 DAY 9 9 23 19 11 29 28 1 2 9 6 15 MEAN QNH PRESSURE IN HPA 1017.6 1017.8 1016.7 1013.4 1008.7 1003.5 999.2 1002.7 1007.9 1014.5 1018.9 1020.1 1011.7 MAX. QNH PRESSURE IN HPA 1027.4 1024.9 1021.5 1021.7 1018.4 1007.7 1003.1 1007.4 1014.1 1021.4 1024.9 1025.2 1027.4 DAY 16 25 16 6 4 1 5 14 30 29 28 29 MIN. QNH PRESSURE IN HPA 1004.0 1011.6 1009.9 1005.2 1002.9 998.6 995.3 997.1 1003.9 1008.4 1014.4 1016.3 995.3 DAY 9 9 23 19 11 29 28 1 2 9 6 15 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 999.5 999.4 998.3 995.1 990.4 985.4 981.3 984.2 989.7 996.0 1000.8 1001.9 993.5 MAX. QFE PRESSURE IN HPA 1009.1 1006.3 1002.9 1002.8 999.7 989.8 985.4 988.6 995.5 1001.2 1005.3 1007.3 1009.1 DAY 16 25 16 5 4 1 13 13 30 28 28 29 MIN. QFE PRESSURE IN HPA 986.6 994.1 991.8 986.1 985.0 980.9 977.1 979.2 986.0 989.5 995.8 998.0 977.1 DAY 9 22 23 3 30 23 27 1 2 24 6 7 MEAN QNH PRESSURE IN HPA 1016.3 1016.2 1015.0 1011.8 1007.0 1002.1 997.8 1000.8 1006.4 1012.8 1017.7 1018.8 1010.2 MAX. QNH PRESSURE IN HPA 1026.0 1023.2 1019.8 1019.7 1016.5 1006.5 1002.0 1005.3 1012.3 1018.0 1022.2 1024.2 1026.0 DAY 16 25 16 5 4 1 13 13 30 28 28 29 MIN. QNH PRESSURE IN HPA 1003.2 1010.8 1008.5 1002.7 1001.6 997.4 993.6 995.7 1002.6 1006.2 1012.6 1014.8 993.6 DAY 9 22 23 3 30 23 27 1 2 24 6 7 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1965 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 999.6 999.6 998.0 994.8 989.9 984.8 980.5 983.5 989.4 996.0 1001.1 1002.2 993.3 MAX. QFE PRESSURE IN HPA 1009.0 1006.5 1002.4 1002.8 999.4 989.3 984.7 988.1 994.9 1001.9 1006.5 1008.0 1009.0 DAY 16 25 16 5 4 1 13 13 30 28 28 29 MIN. QFE PRESSURE IN HPA 987.1 993.5 992.9 985.5 984.6 979.9 976.2 978.8 985.5 988.8 995.8 997.5 976.2 DAY 10 22 23 3 30 22 27 1 2 24 6 7 MEAN QNH PRESSURE IN HPA 1016.4 1016.4 1014.8 1011.5 1006.5 1001.4 997.1 1000.1 1006.0 1012.8 1017.9 1019.0 1010.0 MAX. QNH PRESSURE IN HPA 1025.9 1023.4 1019.2 1019.7 1016.2 1006.0 1001.3 1004.7 1011.6 1018.7 1023.4 1024.9 1025.9 DAY 16 25 16 5 4 1 13 13 30 28 28 29 MIN. QNH PRESSURE IN HPA 1003.7 1010.2 1009.6 1002.1 1001.2 996.4 992.7 995.3 1002.1 1005.5 1012.6 1014.3 992.7 DAY 10 22 23 3 30 22 27 1 2 24 6 7 MEAN QFF PRESSURE IN HPA 1016.9 1016.7 1014.9 1011.4 1005.8 1000.5 996.1 999.0 1005.3 1012.4 1017.9 1019.4 1009.7 MAX. QFF PRESSURE IN HPA 1026.6 1023.9 1019.6 1020.1 1016.0 1005.0 1000.5 1003.7 1010.9 1018.6 1023.5 1025.5 1026.6 DAY 16 25 16 5 4 1 13 13 30 28 28 29 MIN. QFF PRESSURE IN HPA 1004.2 1010.5 1009.6 1002.1 1000.2 995.4 991.7 994.3 1001.4 1005.0 1012.2 1014.5 991.7 DAY 10 22 23 3 30 22 27 1 2 24 6 7 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY ** ** ** ** ** ** ** ** ** ** ** ** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1966 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 16.5 15.3 18.7 25.4 31.8 36.9 37.2 37.4 33.4 25.9 20.2 13.9 26.1 MINIMUN AIR TEMPERATURE (C) 7.3 8.2 9.6 15.3 23.0 25.7 26.7 27.6 23.9 18.6 11.4 6.7 17.0 DAYS WITH MINIMUM TEMP. >=21 0 0 0 2 25 27 31 31 26 7 0 0 149 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 6.0 4.0 7.0 10.0 19.0 22.0 24.0 19.0 14.0 3.0 3.0 1.0 DAY 14 4 24 1 7 17 6 25 19 30 27 4 MAXIMUM AIR TEMPERATURE (C) 22.9 19.9 23.5 31.0 38.8 45.5 45.7 46.0 41.8 33.6 30.2 22.3 33.4 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 19 31 30 31 31 30 27 19 0 218 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 28.0 24.0 28.0 37.0 45.0 49.0 50.0 49.0 46.0 39.0 34.0 26.0 50.0 DAY 5 26 10 28 24 7 13 1 3 2 3 7 DIF. BETWEEN (MAX.-MIN.) (C) 15.6 11.7 13.9 15.7 15.8 19.8 19.0 18.4 17.9 15.0 18.8 15.6 16.4 MEAN DAILY TEMP. (MDT) (C) 15.1 14.0 16.6 23.1 30.9 35.6 36.2 36.8 32.9 26.1 20.8 14.5 25.2 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.5 80.5 307.0 437.0 471.0 489.0 356.5 158.0 35.0 0.0 2334.5 HEATING DEG. DAYS(BASE 18 0C) 94.5 111.0 57.0 1.0 0.0 0.0 0.0 0.0 0.0 0.0 16.5 108.5 388.5 DEWPOINT (MEAN C) 5.5 8.7 7.5 5.7 4.2 1.8 5.5 8.8 6.8 9.6 4.1 3.2 5.9 MIXING RATIO (G/KG) 5.90 7.16 6.77 5.99 5.56 4.57 5.96 7.46 6.76 7.98 5.47 5.09 6.22 VAPOUR PRESSURE (HPA) 9.41 11.38 10.74 9.49 8.78 7.18 9.31 11.63 10.63 12.61 8.71 8.12 9.83 SATURATION DEF. (HPA) 10.43 6.53 11.78 24.56 40.61 59.09 57.27 55.78 43.67 22.57 16.90 8.63 29.82 RELATIVE HUMIDITY (MEAN %) 52 68 53 32 20 13 16 19 22 42 38 53 36 RELATIVE HUMIDITY (MAX. %) 77 89 80 58 35 23 27 31 37 63 62 75 55 RELATIVE HUMIDITY (MIN. %) 34 50 35 20 11 7 8 10 12 25 19 32 22 RELATIVE HUMIDITY (MEAN% 03UTC) 76 88 78 54 31 21 25 28 30 56 50 66 50 RELATIVE HUMIDITY (MEAN% 09UTC) 40 58 43 25 14 8 11 14 16 29 22 37 26 RELATIVE HUMIDITY (MEAN% 15UTC) 47 61 43 26 14 8 10 12 14 33 32 49 29 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 48.0 90.8 37.3 3.9 0.2 0.0 0.0 0.0 0.0 30.0 0.0 17.0 227.2 DAYS WITH PRECIPITATION >=10 2 3 1 0 0 0 0 0 0 1 0 0 7 DAYS WITH PRECIPITATION >= 5 3 4 2 0 0 0 0 0 0 3 0 2 14 DAYS WITH PRECIPITATION >= 1 10 6 4 3 0 0 0 0 0 3 0 4 30 DAYS WITH PRECIPITATION 11 7 4 5 1 0 0 0 0 5 0 6 39 GREATEST DAILY PRECIPITATION 15.0 55.0 25.0 1.0 0.2 0.0 0.0 0.0 0.0 15.0 0.0 6.0 55.0 DAY 30 2 1 2 6 ** ** ** ** 25 ** 26 DAY WITH THUNDER STORM 0 0 0 1 0 1 0 0 0 2 0 3 7 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 0 0 3 7 10 18 20 16 14 2 2 1 93 WIND DIRECTION (PREVAILING) 135 225 225 315 315 225 225 225 225 180 225 180 225 PREVAILING WIND SPEED(KNOTS) 5.9 5.3 7.2 9.3 9.3 8.4 8.1 7.4 8.5 6.0 4.9 6.1 7.2 PREVAILING WIND PERCENT 9.0 12.1 12.9 13.2 27.1 23.4 25.0 21.5 22.6 11.7 15.8 14.2 15.4 CALMS PERCENT OF WIND 62.6 53.6 37.4 28.0 23.1 31.8 35.9 33.2 35.1 44.9 65.0 48.6 40.8 NO. OF WIND OBSERVATION 155 140 155 182 247 239 248 247 239 247 240 247 2586 VECTOR WIND DIRECTION (MEAN) 101 128 167 282 326 264 208 203 234 81 227 198 228 VECTOR WIND MAGNITUDE(KNOTS) 1.2 0.8 0.9 1.2 2.1 4.0 3.2 2.9 3.1 0.4 1.1 1.5 1.2 WIND STEADINESES (MEAN %) 42.9 25.0 17.3 18.2 29.2 60.6 64.0 58.0 58.5 9.1 68.7 45.5 25.5 WIND SPEED (MEAN KNOTS) 2.8 3.2 5.2 6.6 7.2 6.6 5.0 5.0 5.3 4.4 1.6 3.3 4.7 FASTEST WIND DIRECTION 80 330 240 290 140 340 260 270 270 80 300 170 240 FASTEST WIND SPEED (KNOTS) 16 20 30 20 30 25 20 25 25 25 10 15 30 DAY 30 18 19 2 15 15 5 23 25 13 8 18 DAYS WITH SKY CLEAR (0-2)/8 14 11 16 11 16 30 31 29 29 22 20 13 242 DAYS WITH P.CLOUDY (3-6)/8 9 8 9 12 9 0 0 2 1 4 8 14 76 DAYS WITH CLOUDY (7-8)/8 8 9 6 7 6 0 0 0 0 5 2 4 47 DAYS WITH VISIBILITY =< 2 KM 0 3 3 0 2 7 5 2 0 2 0 1 25 DURATION OF SUNSHINE HOURS 168.9 167.9 212.0 219.2 217.4 312.3 250.2 264.1 289.0 205.8 224.0 182.7 2713.5 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1966 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1002.8 1000.7 998.8 994.9 992.1 984.6 981.6 982.8 990.1 996.7 1001.7 1001.4 994.0 MAX. QFE PRESSURE IN HPA 1009.2 1006.9 1005.2 1001.8 999.2 992.7 988.7 989.1 997.3 1003.2 1007.8 1008.7 1009.2 DAY-HOUR 16- 6 12- 6 3- 6 1- 6 3- 3 3- 6 10- 6 18- 6 26- 6 23- 6 27- 6 22- 6 MIN. QFE PRESSURE IN HPA 995.4 994.6 981.4 988.9 984.1 979.0 976.5 976.6 982.7 990.8 996.1 992.2 976.5 DAY-HOUR 30- 9 2- 3 19-12 24-15 31- 0 20-15 13-15 1-15 1-15 1-15 12-15 18- 0 MEAN QNH PRESSURE IN HPA 1019.7 1017.5 1015.6 1011.6 1008.8 1001.2 998.1 999.3 1006.7 1013.5 1018.6 1018.3 1010.7 MAX. QNH PRESSURE IN HPA 1026.1 1023.8 1022.1 1018.6 1016.0 1009.4 1005.4 1005.8 1014.1 1020.1 1024.7 1025.6 1026.1 DAY-HOUR 16- 6 12- 6 3- 6 1- 6 3- 3 3- 6 10- 6 18- 6 26- 6 23- 6 27- 6 22- 6 MIN. QNH PRESSURE IN HPA 1012.1 1011.3 998.0 1005.6 1000.7 995.5 993.0 993.1 999.3 1007.5 1012.9 1008.9 993.0 DAY-HOUR 30- 9 2- 3 19-12 24-15 31- 0 20-15 13-15 1-15 1-15 1-15 12-15 18- 0 MEAN QFF PRESSURE IN HPA ****** ****** ****** 1010.8 1008.0 1000.1 997.0 998.2 1005.9 1013.0 1018.4 1018.5 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** 1018.0 1015.4 1008.5 1004.4 1004.7 1013.3 1019.6 1025.0 1025.9 ****** DAY-HOUR **-** **-** **-** 1- 3 3- 3 3- 6 10- 6 18- 6 26- 6 23- 6 27- 6 22- 6 MIN. QFF PRESSURE IN HPA ****** ****** ****** 1005.2 999.8 994.3 991.7 991.9 998.3 1006.7 1012.6 1008.8 ****** DAY-HOUR **-** **-** **-** 24-15 31- 0 20-15 13-15 1-15 1-15 1-12 12-12 18- 0 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** 991.8 984.3 981.5 982.6 989.9 996.5 1001.5 1001.2 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** 997.7 990.6 987.2 987.5 995.5 1001.0 1006.5 1006.3 ****** DAY ** ** ** ** 3 3 11 18 27 23 27 8 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** 984.1 980.5 977.8 977.6 984.0 991.4 996.8 992.2 ****** DAY ** ** ** ** 31 29 27 1 1 2 12 18 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** 1008.5 1000.9 998.0 999.2 1006.6 1013.2 1018.3 1018.0 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** 1014.5 1007.3 1003.8 1004.1 1012.3 1017.8 1023.4 1023.2 ****** DAY ** ** ** ** 3 3 11 18 27 23 27 8 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** 1000.7 997.0 994.3 994.1 1000.6 1008.1 1013.6 1008.9 ****** DAY ** ** ** ** 31 29 27 1 1 2 12 18 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** 1007.7 999.8 996.9 998.0 1005.7 1012.7 1018.1 1018.2 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** 1013.7 1006.4 1002.8 1003.0 1011.6 1017.4 1023.6 1023.3 ****** DAY ** ** ** ** 3 3 11 18 27 23 27 7 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** 999.8 996.0 993.1 992.9 999.5 1007.3 1013.3 1008.8 ****** DAY ** ** ** ** 31 29 27 1 1 2 12 18 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1003.1 1000.8 999.0 995.1 992.6 985.2 982.1 983.1 990.3 996.9 1002.0 1001.4 994.3 MAX. QFE PRESSURE IN HPA 1008.3 1005.7 1003.2 1001.0 999.2 991.5 988.0 988.2 996.0 1001.7 1006.9 1006.6 1008.3 DAY 16 12 4 1 3 3 10 18 25 23 27 8 MIN. QFE PRESSURE IN HPA 995.8 994.6 988.1 990.9 985.6 981.1 978.2 978.7 984.2 991.8 996.8 993.0 978.2 DAY 30 2 19 24 31 29 27 1 1 2 12 18 MEAN QNH PRESSURE IN HPA 1020.0 1017.6 1015.8 1011.9 1009.3 1001.9 998.7 999.7 1007.0 1013.7 1018.9 1018.2 1011.0 MAX. QNH PRESSURE IN HPA 1025.2 1022.6 1020.1 1017.8 1016.0 1008.2 1004.6 1004.9 1012.8 1018.5 1023.8 1023.5 1025.2 DAY 16 12 4 1 3 3 10 18 25 23 27 8 MIN. QNH PRESSURE IN HPA 1012.6 1011.3 1004.7 1007.6 1002.2 997.7 994.7 995.2 1000.8 1008.5 1013.6 1009.7 994.7 DAY 30 2 19 24 31 29 27 1 1 2 12 18 MEAN QFF PRESSURE IN HPA 1020.3 1017.9 1015.9 1011.6 1008.6 1000.9 997.7 998.7 1006.2 1013.3 1018.8 1018.5 1010.7 MAX. QFF PRESSURE IN HPA 1025.9 1023.0 1020.3 1018.0 1015.4 1007.4 1003.8 1003.8 1011.9 1018.2 1024.2 1023.8 1025.9 DAY 16 12 4 1 3 3 10 18 25 23 27 8 MIN. QFF PRESSURE IN HPA 1012.4 1011.5 1004.6 1007.2 1001.5 996.7 993.6 994.1 999.9 1007.9 1013.4 1009.7 993.6 DAY 30 2 19 24 31 29 27 1 1 2 12 18 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1966 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1004.2 1001.8 999.9 996.2 993.5 985.9 982.8 984.1 991.6 998.3 1003.3 1002.7 995.3 MAX. QFE PRESSURE IN HPA 1009.2 1006.9 1005.2 1001.8 998.8 992.7 988.7 989.1 997.3 1003.2 1007.8 1008.7 1009.2 DAY 16 12 3 1 3 3 10 18 26 23 27 22 MIN. QFE PRESSURE IN HPA 996.4 996.0 988.0 991.4 986.1 981.7 979.1 979.4 985.2 992.8 998.0 994.2 979.1 DAY 30 2 19 24 31 29 27 1 1 2 12 20 MEAN QNH PRESSURE IN HPA 1021.1 1018.6 1016.7 1013.0 1010.2 1002.5 999.3 1000.7 1008.3 1015.1 1020.2 1019.5 1012.1 MAX. QNH PRESSURE IN HPA 1026.1 1023.8 1022.1 1018.6 1015.6 1009.4 1005.4 1005.8 1014.1 1020.1 1024.7 1025.6 1026.1 DAY 16 12 3 1 3 3 10 18 26 23 27 22 MIN. QNH PRESSURE IN HPA 1013.2 1012.8 1004.6 1008.1 1002.7 998.3 995.6 995.9 1001.8 1009.5 1014.8 1010.9 995.6 DAY 30 2 19 24 31 29 27 1 1 2 12 20 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** 1009.4 1001.4 998.2 999.5 1007.4 1014.6 1020.1 1019.9 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** 1014.9 1008.5 1004.4 1004.7 1013.3 1019.6 1025.0 1025.9 ****** DAY ** ** ** ** 3 3 10 18 26 23 27 22 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** 1001.8 997.1 994.5 994.6 1000.9 1008.6 1014.6 1011.1 ****** DAY ** ** ** ** 31 29 27 1 1 2 12 20 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1003.2 1001.2 999.5 995.8 993.0 985.4 982.3 983.5 990.7 997.2 1002.0 1001.6 994.6 MAX. QFE PRESSURE IN HPA 1007.9 1006.1 1004.6 1001.8 997.1 992.0 988.5 987.9 996.3 1001.9 1006.4 1007.3 1007.9 DAY 15 12 3 1 3 3 10 18 26 22 28 22 MIN. QFE PRESSURE IN HPA 995.4 996.1 983.9 990.7 986.4 981.5 978.4 978.6 984.5 991.4 997.4 994.6 978.4 DAY 30 2 19 24 31 20 27 1 1 2 12 18 MEAN QNH PRESSURE IN HPA 1020.0 1018.0 1016.3 1012.5 1009.7 1002.1 998.9 1000.1 1007.4 1014.0 1018.9 1018.5 1011.4 MAX. QNH PRESSURE IN HPA 1024.8 1023.0 1021.5 1018.6 1013.9 1008.7 1005.2 1004.5 1013.1 1018.7 1023.3 1024.2 1024.8 DAY 15 12 3 1 3 3 10 18 26 22 28 22 MIN. QNH PRESSURE IN HPA 1012.1 1012.9 1000.5 1007.4 1003.0 998.1 994.9 995.1 1001.1 1008.1 1014.2 1011.3 994.9 DAY 30 2 19 24 31 20 27 1 1 2 12 18 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** 1008.9 1001.0 997.8 998.9 1006.7 1013.6 1018.6 1018.6 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** 1013.2 1007.8 1004.1 1003.4 1012.2 1018.3 1023.5 1024.4 ****** DAY ** ** ** ** 3 3 10 18 26 22 28 22 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** 1002.1 996.8 993.8 993.9 1001.0 1007.3 1013.8 1011.3 ****** DAY ** ** ** ** 31 20 27 1 2 2 12 18 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 1001.7 999.7 997.9 994.2 991.5 984.0 980.9 982.0 988.9 995.8 1000.8 1000.5 993.2 MAX. QFE PRESSURE IN HPA 1006.8 1004.4 1003.9 1000.4 997.0 990.7 986.9 986.0 994.1 1001.6 1005.3 1006.5 1006.8 DAY 15 12 3 1 4 3 10 17 26 22 27 22 MIN. QFE PRESSURE IN HPA 995.7 994.7 981.4 989.2 985.4 980.1 976.8 977.4 983.4 990.9 996.2 994.0 976.8 DAY 30 21 19 24 30 20 27 1 1 1 12 17 MEAN QNH PRESSURE IN HPA 1018.6 1016.5 1014.7 1011.0 1008.2 1000.6 997.5 998.6 1005.6 1012.5 1017.6 1017.3 1009.9 MAX. QNH PRESSURE IN HPA 1023.7 1021.3 1020.8 1017.2 1013.8 1007.4 1003.5 1002.6 1010.8 1018.4 1022.2 1023.4 1023.7 DAY 15 12 3 1 4 3 10 17 26 22 27 22 MIN. QNH PRESSURE IN HPA 1012.5 1011.4 998.0 1005.9 1002.0 996.6 993.3 993.9 1000.0 1007.6 1013.0 1010.7 993.3 DAY 30 21 19 24 30 20 27 1 1 1 12 17 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** 1007.4 999.5 996.4 997.5 1004.7 1012.0 1017.4 1017.5 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** 1013.2 1006.5 1002.5 1001.5 1010.1 1018.0 1022.4 1023.5 ****** DAY ** ** ** ** 4 3 10 17 26 22 27 22 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** 1001.0 995.4 992.1 992.7 998.9 1006.7 1012.6 1010.7 ****** DAY ** ** ** ** 30 20 27 1 1 1 12 17 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1966 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1001.9 999.9 997.8 994.0 990.9 983.3 980.2 981.4 988.7 995.8 1001.0 1000.9 993.0 MAX. QFE PRESSURE IN HPA 1006.9 1005.1 1004.1 1000.0 995.3 989.4 986.6 985.7 994.3 1001.6 1005.8 1006.3 1006.9 DAY 15 12 3 1 2 3 10 17 26 22 26 22 MIN. QFE PRESSURE IN HPA 997.0 995.3 983.4 988.9 984.8 979.0 976.5 976.6 982.7 990.8 996.1 993.8 976.5 DAY 30 20 19 24 31 20 13 1 1 1 12 17 MEAN QNH PRESSURE IN HPA 1018.7 1016.7 1014.5 1010.8 1007.5 999.9 996.8 998.0 1005.4 1012.5 1017.8 1017.7 1009.7 MAX. QNH PRESSURE IN HPA 1023.8 1022.0 1021.0 1016.8 1012.0 1006.1 1003.2 1002.3 1011.0 1018.4 1022.7 1023.2 1023.8 DAY 15 12 3 1 2 3 10 17 26 22 26 22 MIN. QNH PRESSURE IN HPA 1013.8 1012.0 1000.0 1005.6 1001.4 995.5 993.0 993.1 999.3 1007.5 1012.9 1010.5 993.0 DAY 30 20 19 24 31 20 13 1 1 1 12 17 MEAN QFF PRESSURE IN HPA 1019.0 1017.0 1014.6 1010.5 1006.8 998.9 995.8 996.9 1004.6 1012.1 1017.8 1018.0 1009.3 MAX. QFF PRESSURE IN HPA 1024.4 1022.4 1021.1 1016.9 1011.5 1005.3 1002.4 1001.3 1010.4 1018.0 1023.1 1023.5 1024.4 DAY 15 12 3 1 2 3 10 17 26 22 27 22 MIN. QFF PRESSURE IN HPA 1013.7 1012.2 999.8 1005.2 1000.6 994.3 991.7 991.9 998.3 1006.8 1012.7 1010.7 991.7 DAY 30 21 19 24 30 20 13 1 1 1 12 17 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** 991.8 984.5 981.5 982.7 990.3 996.8 1001.8 1001.9 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** 995.7 990.9 987.5 986.9 995.7 1002.3 1007.0 1007.8 ****** DAY ** ** ** ** 2 2 10 17 26 22 27 7 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** 985.5 980.4 977.8 978.2 984.0 991.7 996.9 994.7 ****** DAY ** ** ** ** 30 28 27 1 1 1 12 11 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** 1008.5 1001.0 998.0 999.3 1007.0 1013.6 1018.7 1018.7 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** 1012.5 1007.6 1004.1 1003.5 1012.5 1019.1 1023.9 1024.7 ****** DAY ** ** ** ** 2 2 10 17 26 22 27 7 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** 1002.1 996.9 994.3 994.7 1000.6 1008.4 1013.7 1011.4 ****** DAY ** ** ** ** 30 28 27 1 1 1 12 11 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** 1007.7 1000.0 996.9 998.2 1006.1 1013.1 1018.6 1019.1 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** 1011.8 1006.6 1003.1 1002.4 1011.8 1018.7 1024.1 1025.0 ****** DAY ** ** ** ** 8 2 10 17 26 22 27 7 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** 1001.2 995.8 993.2 993.4 999.5 1007.5 1013.4 1011.6 ****** DAY ** ** ** ** 30 28 27 1 1 1 12 11 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** 991.7 984.2 981.3 982.7 990.1 996.5 1001.6 1001.4 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** 997.5 990.4 987.6 987.4 995.7 1001.7 1006.5 1007.0 ****** DAY ** ** ** ** 2 2 10 17 26 22 26 7 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** 985.1 980.8 977.6 979.0 984.0 991.6 997.0 994.0 ****** DAY ** ** ** ** 30 26 31 1 3 1 12 19 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** 1008.4 1000.8 997.9 999.3 1006.8 1013.2 1018.4 1018.2 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** 1014.3 1007.1 1004.2 1004.0 1012.5 1018.5 1023.4 1023.9 ****** DAY ** ** ** ** 2 2 10 17 26 22 26 7 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** 1001.7 997.3 994.1 995.5 1000.6 1008.3 1013.8 1010.7 ****** DAY ** ** ** ** 30 26 31 1 3 1 12 19 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** 1007.6 999.7 996.8 998.2 1005.9 1012.7 1018.2 1018.4 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** 1013.5 1006.2 1003.2 1002.9 1011.8 1018.1 1023.5 1024.0 ****** DAY ** ** ** ** 2 2 10 17 26 22 26 7 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** 1000.8 996.2 992.9 994.3 999.5 1007.5 1013.4 1010.8 ****** DAY ** ** ** ** 30 25 31 1 3 1 12 17 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1967 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 11.5 10.8 15.8 21.0 29.4 33.9 37.5 35.8 31.9 26.3 17.9 11.1 23.6 MINIMUN AIR TEMPERATURE (C) 4.9 6.2 8.6 13.5 21.4 23.5 27.8 26.4 22.0 17.9 13.3 5.3 15.9 DAYS WITH MINIMUM TEMP. >=21 0 0 0 2 17 21 31 31 22 7 1 0 132 DAYS WITH MINIMUM TEMP. <=-4 0 2 0 0 0 0 0 0 0 0 0 0 2 DAYS WITH FREEZING MIN.<= 0 5 2 0 0 0 0 0 0 0 0 0 6 13 TEMPERATURE RECORDS LOWEST(C) -2.0 -4.0 3.0 7.0 13.0 17.0 22.0 22.0 18.0 12.0 3.0 -2.0 -4.0 DAY 24 3 1 1 7 2 2 22 25 19 29 26 MAXIMUM AIR TEMPERATURE (C) 19.0 16.2 22.8 28.2 36.5 41.9 45.4 44.3 41.2 34.8 23.7 18.3 31.0 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 9 29 30 31 31 30 30 8 0 198 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 26.0 22.0 28.0 33.0 43.0 46.0 53.0 48.0 45.0 38.0 33.0 23.0 53.0 DAY 14 10 17 19 24 14 15 16 4 1 1 16 DIF. BETWEEN (MAX.-MIN.) (C) 14.1 10.0 14.2 14.7 15.1 18.4 17.6 17.9 19.2 16.9 10.4 13.0 15.1 MEAN DAILY TEMP. (MDT) (C) 12.0 11.2 15.7 20.8 28.9 32.7 36.6 35.4 31.6 26.3 18.5 11.8 23.5 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 31.0 247.0 350.0 483.5 445.0 317.0 165.0 31.5 0.0 2070.0 HEATING DEG. DAYS(BASE 18 0C) 187.5 191.0 78.5 10.0 0.0 0.0 0.0 0.0 0.0 0.0 50.0 191.5 708.5 DEWPOINT (MEAN C) 3.0 4.6 3.6 6.0 9.0 1.6 6.2 6.1 4.4 4.8 10.5 5.8 5.5 MIXING RATIO (G/KG) 5.01 5.70 5.18 6.29 7.63 4.64 6.45 6.22 5.53 5.74 8.30 5.96 6.05 VAPOUR PRESSURE (HPA) 8.03 9.08 8.22 9.94 12.01 7.30 10.04 9.72 8.70 9.12 13.17 9.50 9.57 SATURATION DEF. (HPA) 6.27 4.38 10.59 16.21 31.33 48.68 57.40 51.87 41.68 26.97 8.64 4.40 25.70 RELATIVE HUMIDITY (MEAN %) 61 70 49 42 33 15 17 18 20 29 68 73 41 RELATIVE HUMIDITY (MAX. %) 83 88 75 68 54 29 28 29 36 47 83 91 59 RELATIVE HUMIDITY (MIN. %) 36 49 26 22 18 8 9 10 10 16 50 45 25 RELATIVE HUMIDITY (MEAN% 03UTC) 78 84 69 63 47 24 24 26 31 37 78 90 54 RELATIVE HUMIDITY (MEAN% 09UTC) 45 56 32 28 23 13 13 13 12 20 56 54 30 RELATIVE HUMIDITY (MEAN% 15UTC) 50 62 33 26 22 8 11 11 13 21 64 66 32 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 26.0 67.0 8.9 22.2 23.1 0.0 0.0 0.0 0.0 2.0 104.0 13.0 266.2 DAYS WITH PRECIPITATION >=10 1 3 0 1 0 0 0 0 0 0 6 0 11 DAYS WITH PRECIPITATION >= 5 2 5 0 2 2 0 0 0 0 0 7 1 19 DAYS WITH PRECIPITATION >= 1 5 9 4 3 6 0 0 0 0 2 10 5 44 DAYS WITH PRECIPITATION 6 9 8 5 7 0 0 0 0 5 11 5 56 GREATEST DAILY PRECIPITATION 12.0 22.0 4.0 12.0 9.0 0.0 0.0 0.0 0.0 1.0 19.0 6.0 22.0 DAY 3 11 5 15 7 ** ** ** ** 6 19 6 DAY WITH THUNDER STORM 0 1 1 2 0 0 0 0 0 1 1 0 6 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 4 7 13 14 19 24 30 31 24 17 5 4 192 WIND DIRECTION (PREVAILING) 225 225 225 180 225 225 180 225 225 225 225 135 225 PREVAILING WIND SPEED(KNOTS) 6.6 7.3 7.4 8.0 7.4 8.1 8.1 7.4 7.8 6.1 6.2 7.9 7.4 PREVAILING WIND PERCENT 13.4 13.9 14.9 13.8 14.5 17.9 16.1 20.6 19.6 10.1 10.9 7.7 13.8 CALMS PERCENT OF WIND 55.5 48.4 47.6 45.8 29.0 38.3 44.8 36.3 45.8 54.8 61.1 68.8 48.0 NO. OF WIND OBSERVATION 247 223 248 240 248 240 248 248 240 248 239 247 2916 VECTOR WIND DIRECTION (MEAN) 175 184 211 172 240 269 194 192 208 304 133 130 207 VECTOR WIND MAGNITUDE(KNOTS) 1.2 1.0 1.8 1.9 1.2 3.6 2.4 3.3 2.5 1.3 1.2 0.8 1.4 WIND STEADINESES (MEAN %) 33.3 25.0 45.0 41.3 21.1 59.0 52.2 71.7 64.1 33.3 36.4 34.8 33.3 WIND SPEED (MEAN KNOTS) 3.6 4.0 4.0 4.6 5.7 6.1 4.6 4.6 3.9 3.9 3.3 2.3 4.2 FASTEST WIND DIRECTION 140 240 240 360 260 330 220 250 330 30 130 250 30 FASTEST WIND SPEED (KNOTS) 20 18 20 30 24 28 18 22 18 32 27 22 32 DAY 17 18 8 15 31 24 15 17 22 11 24 23 DAYS WITH SKY CLEAR (0-2)/8 16 8 18 11 18 29 31 31 29 14 12 14 231 DAYS WITH P.CLOUDY (3-6)/8 9 10 11 12 8 0 0 0 1 13 9 13 86 DAYS WITH CLOUDY (7-8)/8 6 10 2 7 5 0 0 0 0 4 9 4 47 DAYS WITH VISIBILITY =< 2 KM 3 13 7 4 3 14 16 13 1 5 5 2 86 DURATION OF SUNSHINE HOURS 175.3 125.9 217.5 211.4 248.0 287.4 274.6 295.0 300.3 224.5 156.0 182.3 2698.2 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1967 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1004.7 1001.1 997.0 995.4 992.3 985.9 979.7 982.0 988.4 997.7 1001.0 1002.4 994.0 MAX. QFE PRESSURE IN HPA 1012.0 1008.3 1007.8 1003.2 1000.1 995.2 986.3 988.1 994.8 1004.6 1007.1 1008.7 1012.0 DAY-HOUR 13- 6 2- 6 3- 6 3- 6 1- 9 1- 6 23- 6 29- 6 29- 6 28- 6 29- 6 16- 6 MIN. QFE PRESSURE IN HPA 996.8 991.6 987.8 984.7 985.8 978.6 973.7 977.4 982.3 988.7 993.8 991.4 973.7 DAY-HOUR 18-12 14-21 24-12 24-15 30-15 30-15 25- 0 1-15 11-15 1-12 19-12 23- 0 MEAN QNH PRESSURE IN HPA 1021.6 1018.0 1013.8 1012.1 1009.0 1002.5 996.2 998.6 1005.1 1014.5 1017.8 1019.3 1010.7 MAX. QNH PRESSURE IN HPA 1029.0 1025.2 1024.7 1020.1 1016.9 1011.9 1002.9 1004.7 1011.5 1021.5 1024.0 1025.6 1029.0 DAY-HOUR 13- 6 2- 6 3- 6 3- 6 1- 9 1- 6 23- 6 29- 6 29- 6 28- 6 29- 6 16- 6 MIN. QNH PRESSURE IN HPA 1013.6 1008.3 1004.4 1001.3 1002.4 995.1 990.2 993.9 998.9 1005.4 1010.5 1008.1 990.2 DAY-HOUR 18-12 14-21 24-12 24-15 30-15 30-15 25- 0 1-15 11-15 1-12 19-12 23- 0 MEAN QFF PRESSURE IN HPA 1022.0 1018.4 1013.9 1011.9 1008.3 1001.6 995.1 997.6 1004.3 1014.0 1017.8 1019.7 1010.4 MAX. QFF PRESSURE IN HPA 1029.6 1025.8 1025.1 1020.1 1016.6 1011.2 1001.8 1003.8 1010.9 1021.1 1024.6 1026.0 1029.6 DAY-HOUR 13- 6 2- 6 3- 6 3- 6 1- 9 1- 6 23- 6 29- 6 29- 6 28- 6 29- 6 16- 6 MIN. QFF PRESSURE IN HPA 1013.6 1008.6 1004.6 1001.0 1001.6 994.2 988.8 992.9 998.0 1004.6 1010.6 1008.3 988.8 DAY-HOUR 18-12 14-21 24-12 24-15 30-15 30-15 25- 0 1-15 11-15 1-12 19-12 23- 0 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 1004.8 1000.6 996.8 994.9 992.1 985.7 979.4 981.5 988.0 997.0 1000.6 1002.1 993.6 MAX. QFE PRESSURE IN HPA 1010.0 1005.7 1005.3 1001.6 999.0 993.5 984.4 986.0 992.3 1002.2 1004.8 1007.0 1010.0 DAY 13 2 3 3 2 1 22 29 21 29 29 16 MIN. QFE PRESSURE IN HPA 999.0 992.1 990.0 986.0 988.0 979.0 973.7 977.6 984.0 989.0 997.2 991.4 973.7 DAY 21 15 25 25 25 30 25 19 12 1 19 23 MEAN QNH PRESSURE IN HPA 1021.6 1017.4 1013.6 1011.7 1008.8 1002.4 996.0 998.1 1004.6 1013.8 1017.4 1019.0 1010.4 MAX. QNH PRESSURE IN HPA 1027.0 1022.6 1022.2 1018.4 1015.8 1010.2 1001.0 1002.6 1009.0 1019.0 1021.7 1023.9 1027.0 DAY 13 2 3 3 2 1 22 29 21 29 29 16 MIN. QNH PRESSURE IN HPA 1015.8 1008.8 1006.7 1002.6 1004.6 995.5 990.2 994.1 1000.6 1005.7 1014.0 1008.1 990.2 DAY 21 15 25 25 25 30 25 19 12 1 19 23 MEAN QFF PRESSURE IN HPA 1022.0 1017.8 1013.7 1011.5 1008.1 1001.5 994.9 997.0 1003.8 1013.3 1017.4 1019.3 1010.0 MAX. QFF PRESSURE IN HPA 1027.4 1023.2 1022.5 1018.6 1015.5 1009.6 999.8 1001.7 1008.2 1018.6 1022.1 1024.1 1027.4 DAY 13 3 3 3 2 1 22 29 21 29 29 16 MIN. QFF PRESSURE IN HPA 1016.0 1009.2 1006.8 1002.3 1003.7 994.5 988.8 993.2 999.6 1004.9 1013.8 1008.3 988.8 DAY 21 15 25 25 25 30 25 19 12 1 19 23 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1004.7 1001.3 997.3 995.6 992.7 986.7 980.4 982.6 988.8 997.9 1001.0 1002.4 994.3 MAX. QFE PRESSURE IN HPA 1009.2 1007.0 1005.8 1001.9 999.4 994.6 986.1 986.9 993.2 1003.0 1005.2 1007.0 1009.2 DAY 13 2 3 3 2 1 23 29 29 29 28 16 MIN. QFE PRESSURE IN HPA 998.5 994.3 990.8 987.5 988.2 980.8 975.0 978.3 984.8 989.7 997.0 994.5 975.0 DAY 21 15 25 25 30 29 25 19 12 1 19 23 MEAN QNH PRESSURE IN HPA 1021.6 1018.1 1014.1 1012.3 1009.4 1003.3 996.9 999.1 1005.5 1014.7 1017.8 1019.2 1011.0 MAX. QNH PRESSURE IN HPA 1026.1 1023.9 1022.7 1018.7 1016.2 1011.3 1002.7 1003.5 1009.9 1019.9 1022.1 1023.9 1026.1 DAY 13 2 3 3 2 1 23 29 29 29 28 16 MIN. QNH PRESSURE IN HPA 1015.3 1011.0 1007.5 1004.1 1004.9 997.3 991.5 994.8 1001.4 1006.4 1013.8 1011.2 991.5 DAY 21 15 25 25 30 29 25 19 12 1 19 23 MEAN QFF PRESSURE IN HPA 1022.1 1018.6 1014.3 1012.2 1008.8 1002.5 995.8 998.2 1004.8 1014.3 1017.8 1019.7 1010.8 MAX. QFF PRESSURE IN HPA 1026.7 1024.3 1023.1 1019.0 1015.9 1010.7 1001.5 1002.7 1009.4 1019.6 1022.6 1024.2 1026.7 DAY 13 2 3 3 2 1 23 29 29 29 28 16 MIN. QFF PRESSURE IN HPA 1015.6 1011.4 1007.8 1003.8 1004.0 996.4 990.2 993.9 1000.5 1005.8 1013.7 1011.5 990.2 DAY 21 15 25 25 30 29 25 19 12 1 19 23 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1967 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1006.1 1002.6 998.4 997.0 993.7 987.3 980.9 983.3 989.8 999.4 1002.4 1003.7 995.4 MAX. QFE PRESSURE IN HPA 1012.0 1008.3 1007.8 1003.2 999.9 995.2 986.3 988.1 994.8 1004.6 1007.1 1008.7 1012.0 DAY 13 2 3 3 1 1 23 29 29 28 29 16 MIN. QFE PRESSURE IN HPA 999.0 996.3 991.2 989.1 988.4 981.5 976.3 979.3 985.6 991.0 997.5 995.3 976.3 DAY 30 12 24 25 30 29 25 19 7 1 19 23 MEAN QNH PRESSURE IN HPA 1023.0 1019.5 1015.2 1013.7 1010.4 1004.0 997.5 999.9 1006.5 1016.2 1019.2 1020.6 1012.1 MAX. QNH PRESSURE IN HPA 1029.0 1025.2 1024.7 1020.1 1016.7 1011.9 1002.9 1004.7 1011.5 1021.5 1024.0 1025.6 1029.0 DAY 13 2 3 3 1 1 23 29 29 28 29 16 MIN. QNH PRESSURE IN HPA 1015.8 1013.1 1007.9 1005.8 1005.1 998.1 992.8 995.8 1002.2 1007.7 1014.3 1012.0 992.8 DAY 30 12 24 25 30 29 25 19 7 1 19 23 MEAN QFF PRESSURE IN HPA 1023.5 1019.9 1015.3 1013.5 1009.7 1003.0 996.4 998.8 1005.7 1015.7 1019.2 1021.1 1011.8 MAX. QFF PRESSURE IN HPA 1029.6 1025.8 1025.1 1020.1 1016.4 1011.2 1001.8 1003.8 1010.9 1021.1 1024.6 1026.0 1029.6 DAY 13 2 3 3 1 1 23 29 29 28 29 16 MIN. QFF PRESSURE IN HPA 1016.1 1013.2 1008.0 1005.4 1004.2 997.0 991.7 994.9 1001.4 1007.0 1014.3 1012.5 991.7 DAY 30 12 24 25 30 29 25 19 7 1 19 23 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1004.9 1001.9 997.7 996.2 993.1 986.7 980.6 982.8 989.1 998.3 1001.4 1002.6 994.6 MAX. QFE PRESSURE IN HPA 1009.2 1008.1 1006.7 1002.0 1000.1 994.6 984.9 987.1 993.1 1003.3 1006.3 1006.8 1009.2 DAY 13 2 3 3 1 1 23 29 21 28 29 14 MIN. QFE PRESSURE IN HPA 998.3 995.2 989.6 988.7 988.6 981.6 975.9 979.1 983.9 990.5 995.0 995.8 975.9 DAY 18 14 24 25 30 29 25 1 11 1 19 23 MEAN QNH PRESSURE IN HPA 1021.8 1018.7 1014.5 1012.9 1009.8 1003.4 997.1 999.4 1005.7 1015.1 1018.2 1019.4 1011.3 MAX. QNH PRESSURE IN HPA 1026.1 1025.0 1023.6 1018.8 1016.9 1011.3 1001.5 1003.7 1009.8 1020.2 1023.2 1023.7 1026.1 DAY 13 2 3 3 1 1 23 29 21 28 29 14 MIN. QNH PRESSURE IN HPA 1015.1 1011.9 1006.3 1005.4 1005.3 998.2 992.4 995.6 1000.5 1007.2 1011.7 1012.6 992.4 DAY 18 14 24 25 30 29 25 1 11 1 19 23 MEAN QFF PRESSURE IN HPA 1022.1 1018.9 1014.4 1012.7 1009.1 1002.4 996.0 998.4 1004.9 1014.6 1018.2 1019.8 1011.0 MAX. QFF PRESSURE IN HPA 1026.5 1025.5 1023.8 1018.9 1016.6 1010.9 1000.3 1003.0 1009.0 1019.7 1023.6 1024.0 1026.5 DAY 6 2 3 3 1 1 23 29 29 28 29 14 MIN. QFF PRESSURE IN HPA 1015.1 1012.4 1006.4 1004.9 1004.4 997.1 991.2 994.6 999.5 1006.4 1011.7 1013.0 991.2 DAY 18 14 24 25 30 30 25 1 11 1 19 23 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 1003.5 1000.4 995.8 994.3 991.7 985.3 979.3 981.5 987.6 996.9 1000.2 1001.5 993.2 MAX. QFE PRESSURE IN HPA 1007.9 1006.2 1004.8 999.6 998.8 993.1 983.4 985.8 991.9 1001.3 1004.6 1006.0 1007.9 DAY 13 2 2 6 1 1 22 29 29 15 28 16 MIN. QFE PRESSURE IN HPA 996.8 991.8 987.8 987.5 986.9 979.6 974.7 977.8 982.5 988.7 993.8 997.0 974.7 DAY 18 14 24 24 30 29 25 1 11 1 19 23 MEAN QNH PRESSURE IN HPA 1020.3 1017.2 1012.5 1011.0 1008.4 1001.9 995.8 998.1 1004.3 1013.7 1017.0 1018.4 1009.9 MAX. QNH PRESSURE IN HPA 1024.8 1023.1 1021.7 1016.4 1015.6 1009.8 1000.0 1002.4 1008.6 1018.1 1021.5 1022.9 1024.8 DAY 13 2 2 6 1 1 22 29 29 15 28 16 MIN. QNH PRESSURE IN HPA 1013.6 1008.5 1004.4 1004.1 1003.5 996.1 991.2 994.3 999.1 1005.4 1010.5 1013.8 991.2 DAY 18 14 24 24 30 29 25 1 11 1 19 23 MEAN QFF PRESSURE IN HPA 1020.7 1017.6 1012.6 1010.8 1007.7 1001.0 994.7 997.0 1003.5 1013.2 1016.9 1018.7 1009.5 MAX. QFF PRESSURE IN HPA 1025.6 1023.6 1022.0 1016.5 1015.3 1009.2 998.8 1001.5 1007.9 1017.7 1021.9 1023.0 1025.6 DAY 22 2 2 6 1 1 22 29 29 15 28 16 MIN. QFF PRESSURE IN HPA 1013.6 1008.9 1004.6 1003.7 1002.7 995.2 990.0 993.3 998.1 1004.6 1010.6 1014.2 990.0 DAY 18 14 24 25 30 29 25 1 11 1 19 23 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1967 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1003.8 1000.3 995.9 994.0 991.2 984.5 978.6 980.9 987.3 997.0 1000.4 1002.1 993.0 MAX. QFE PRESSURE IN HPA 1008.4 1006.3 1004.9 999.3 997.7 992.5 982.7 985.6 991.7 1001.4 1004.8 1006.7 1008.4 DAY 12 2 2 2 1 1 22 31 29 28 28 16 MIN. QFE PRESSURE IN HPA 996.8 991.7 988.9 984.7 985.8 978.6 973.7 977.4 982.3 989.0 995.2 996.8 973.7 DAY 18 14 24 24 30 30 25 1 11 1 19 3 MEAN QNH PRESSURE IN HPA 1020.7 1017.2 1012.6 1010.8 1007.9 1001.1 995.1 997.4 1004.0 1013.8 1017.2 1018.9 1009.7 MAX. QNH PRESSURE IN HPA 1025.3 1023.2 1021.8 1016.1 1014.5 1009.2 999.3 1002.2 1008.4 1018.2 1021.7 1023.6 1025.3 DAY 12 2 2 2 1 1 22 31 29 28 28 16 MIN. QNH PRESSURE IN HPA 1013.6 1008.4 1005.6 1001.3 1002.4 995.1 990.2 993.9 998.9 1005.7 1011.9 1013.6 990.2 DAY 18 14 24 24 30 30 25 1 11 1 19 3 MEAN QFF PRESSURE IN HPA 1021.2 1017.6 1012.8 1010.6 1007.3 1000.3 994.0 996.5 1003.3 1013.4 1017.3 1019.4 1009.5 MAX. QFF PRESSURE IN HPA 1026.3 1023.8 1022.2 1016.4 1014.2 1008.6 998.1 1001.4 1007.9 1017.9 1022.2 1023.8 1026.3 DAY 22 2 2 2 1 1 22 31 29 28 28 16 MIN. QFF PRESSURE IN HPA 1013.7 1008.8 1005.9 1001.0 1001.6 994.2 989.0 992.9 998.0 1005.1 1012.0 1014.1 989.0 DAY 18 14 24 24 30 30 25 1 11 1 19 3 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 1005.2 1001.2 997.2 995.5 991.9 985.5 979.3 981.9 988.5 997.8 1000.9 1002.7 994.0 MAX. QFE PRESSURE IN HPA 1009.6 1006.2 1006.4 1001.2 999.5 993.4 983.0 986.3 992.9 1002.2 1005.2 1007.1 1009.6 DAY 22 2 2 2 1 1 22 31 29 28 12 16 MIN. QFE PRESSURE IN HPA 1000.4 992.1 989.7 985.7 986.0 979.0 974.0 978.4 983.2 990.0 995.0 997.4 974.0 DAY 18 14 24 24 30 29 24 18 11 1 19 3 MEAN QNH PRESSURE IN HPA 1022.1 1018.1 1014.0 1012.3 1008.6 1002.1 995.9 998.5 1005.1 1014.6 1017.8 1019.5 1010.7 MAX. QNH PRESSURE IN HPA 1026.5 1023.1 1023.3 1018.0 1016.3 1010.1 999.6 1002.9 1009.6 1019.0 1022.1 1024.0 1026.5 DAY 22 2 2 2 1 1 22 31 29 28 12 16 MIN. QNH PRESSURE IN HPA 1017.2 1008.8 1006.4 1002.3 1002.6 995.5 990.5 994.9 999.8 1006.7 1011.7 1014.2 990.5 DAY 18 14 24 24 30 29 24 18 11 1 19 3 MEAN QFF PRESSURE IN HPA 1022.5 1018.5 1014.1 1012.1 1008.0 1001.2 994.7 997.4 1004.3 1014.1 1017.8 1020.0 1010.4 MAX. QFF PRESSURE IN HPA 1027.4 1023.9 1023.7 1018.1 1015.9 1009.4 998.3 1002.0 1009.0 1018.6 1022.4 1024.3 1027.4 DAY 22 2 2 2 1 1 22 31 29 28 28 16 MIN. QFF PRESSURE IN HPA 1017.3 1009.2 1006.5 1001.9 1001.7 994.5 989.2 993.9 998.9 1006.0 1011.8 1014.6 989.2 DAY 18 14 24 24 30 29 24 4 11 1 19 3 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 1005.0 1001.0 997.3 995.5 992.1 985.5 979.4 981.9 988.3 997.7 1000.9 1002.4 993.9 MAX. QFE PRESSURE IN HPA 1010.0 1005.9 1006.2 1002.0 999.8 991.8 984.0 986.6 992.5 1002.6 1005.0 1007.0 1010.0 DAY 12 2 2 2 1 1 22 28 20 28 12 15 MIN. QFE PRESSURE IN HPA 1000.0 991.6 990.0 985.8 987.0 979.2 974.0 977.8 983.6 989.5 996.7 996.4 974.0 DAY 3 14 24 24 24 29 24 18 11 1 19 3 MEAN QNH PRESSURE IN HPA 1021.9 1017.8 1014.1 1012.3 1008.8 1002.1 995.9 998.5 1004.9 1014.4 1017.8 1019.2 1010.6 MAX. QNH PRESSURE IN HPA 1027.0 1022.8 1023.1 1018.8 1016.6 1008.5 1000.6 1003.2 1009.2 1019.5 1021.9 1023.9 1027.0 DAY 12 2 2 2 1 1 22 28 20 28 12 15 MIN. QNH PRESSURE IN HPA 1016.8 1008.3 1006.7 1002.4 1003.6 995.7 990.5 994.3 1000.2 1006.2 1013.5 1013.2 990.5 DAY 3 14 24 24 24 29 24 18 11 1 19 3 MEAN QFF PRESSURE IN HPA 1022.2 1018.2 1014.2 1012.1 1008.1 1001.2 994.8 997.5 1004.1 1013.9 1017.7 1019.6 1010.3 MAX. QFF PRESSURE IN HPA 1027.8 1023.7 1023.4 1019.0 1016.3 1008.0 999.3 1002.5 1008.4 1019.0 1022.3 1024.1 1027.8 DAY 22 2 2 2 1 1 22 28 20 28 28 15 MIN. QFF PRESSURE IN HPA 1017.0 1008.6 1006.8 1002.0 1002.6 994.7 989.1 993.4 999.2 1005.5 1013.5 1013.4 989.1 DAY 3 14 24 24 24 29 24 18 11 1 19 3 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1968 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 10.4 11.3 17.4 22.1 29.6 34.5 38.1 35.4 33.1 27.0 20.1 14.5 24.4 MINIMUN AIR TEMPERATURE (C) 5.4 5.7 10.2 14.8 22.1 24.4 27.8 25.8 22.5 18.4 14.8 9.8 16.8 DAYS WITH MINIMUM TEMP. >=21 0 0 0 1 22 29 31 31 20 3 0 0 137 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 1 1 0 0 0 0 0 0 0 0 0 0 2 TEMPERATURE RECORDS LOWEST(C) -1.0 0.0 3.0 10.0 17.0 18.0 24.0 22.0 19.0 13.0 10.0 6.0 -1.0 DAY 20 6 25 3 1 1 1 18 25 30 21 21 MAXIMUM AIR TEMPERATURE (C) 17.5 17.5 24.9 29.4 36.5 42.6 46.5 44.4 42.5 35.9 26.4 20.7 32.1 DAYS WITH MAXIMUM TEMP. >=30 0 0 1 15 31 30 31 31 30 28 7 0 204 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 22.0 24.0 30.0 36.0 41.0 47.0 49.0 47.0 47.0 41.0 31.0 24.0 49.0 DAY 14 29 16 18 19 27 18 8 4 1 6 19 DIF. BETWEEN (MAX.-MIN.) (C) 12.1 11.8 14.7 14.6 14.4 18.2 18.7 18.6 20.0 17.5 11.6 10.9 15.3 MEAN DAILY TEMP. (MDT) (C) 11.4 11.6 17.5 22.1 29.3 33.5 37.1 35.1 32.5 27.1 20.6 15.3 24.4 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 4.5 54.5 257.5 376.0 500.0 437.0 344.0 190.5 24.5 0.0 2188.5 HEATING DEG. DAYS(BASE 18 0C) 204.0 186.0 39.5 1.0 0.0 0.0 0.0 0.0 0.0 0.0 5.0 85.5 521.0 DEWPOINT (MEAN C) 4.5 5.6 5.5 8.8 10.0 3.1 4.3 4.5 1.1 5.6 10.7 10.1 6.2 MIXING RATIO (G/KG) 5.42 5.83 6.17 7.45 7.98 5.17 5.55 5.69 4.34 6.13 8.31 7.90 6.33 VAPOUR PRESSURE (HPA) 8.65 9.29 9.77 11.77 12.57 8.12 8.68 8.90 6.85 9.71 13.20 12.55 10.00 SATURATION DEF. (HPA) 4.55 4.69 11.20 16.26 30.52 49.18 61.14 51.62 46.93 28.36 11.10 4.37 26.66 RELATIVE HUMIDITY (MEAN %) 70 72 52 48 33 16 14 17 15 30 59 77 42 RELATIVE HUMIDITY (MAX. %) 90 92 78 75 56 29 25 27 25 45 78 93 59 RELATIVE HUMIDITY (MIN. %) 43 46 27 26 18 8 7 9 7 17 38 54 25 RELATIVE HUMIDITY (MEAN% 03UTC) 85 87 72 66 51 27 21 25 23 39 73 88 55 RELATIVE HUMIDITY (MEAN% 09UTC) 52 54 35 33 23 11 10 12 9 22 44 59 30 RELATIVE HUMIDITY (MEAN% 15UTC) 59 62 37 38 23 9 9 11 11 25 55 73 34 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 36.0 67.1 8.3 63.3 16.4 0.0 0.0 0.0 0.0 1.0 83.4 71.0 346.5 DAYS WITH PRECIPITATION >=10 1 3 0 2 0 0 0 0 0 0 2 2 10 DAYS WITH PRECIPITATION >= 5 1 4 0 4 2 0 0 0 0 0 3 6 20 DAYS WITH PRECIPITATION >= 1 8 8 3 9 3 0 0 0 0 1 7 12 51 DAYS WITH PRECIPITATION 9 9 5 11 5 0 0 0 0 2 8 12 61 GREATEST DAILY PRECIPITATION 25.0 31.0 3.0 23.0 8.0 0.0 0.0 0.0 0.0 1.0 53.0 20.0 53.0 DAY 15 9 10 23 16 ** ** ** ** 31 16 15 DAY WITH THUNDER STORM 0 0 0 0 3 0 0 0 0 1 3 2 9 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 3 1 21 1 15 17 13 24 15 5 2 2 119 WIND DIRECTION (PREVAILING) 270 90 135 180 315 225 225 180 315 90 90 135 225 PREVAILING WIND SPEED(KNOTS) 7.3 7.6 9.7 9.0 9.7 9.6 7.5 6.5 8.2 10.9 10.7 8.1 7.9 PREVAILING WIND PERCENT 13.0 10.8 18.1 12.1 17.7 17.2 23.0 16.9 13.4 7.7 12.5 9.7 9.1 CALMS PERCENT OF WIND 54.3 60.2 40.7 38.3 37.9 41.4 38.3 43.5 51.5 56.9 57.5 67.6 49.0 NO. OF WIND OBSERVATION 247 231 248 240 248 239 248 248 239 248 240 247 2923 VECTOR WIND DIRECTION (MEAN) 234 78 139 119 310 262 216 214 269 161 87 103 202 VECTOR WIND MAGNITUDE(KNOTS) 0.9 1.1 2.4 1.3 2.0 3.5 2.5 1.9 1.5 0.3 2.4 1.2 0.5 WIND STEADINESES (MEAN %) 29.0 34.4 50.0 22.0 34.5 63.6 55.6 45.2 38.5 7.9 61.5 46.2 11.6 WIND SPEED (MEAN KNOTS) 3.1 3.2 4.8 5.9 5.8 5.5 4.5 4.2 3.9 3.8 3.9 2.6 4.3 FASTEST WIND DIRECTION 270 120 120 140 340 220 250 270 320 310 110 110 340 FASTEST WIND SPEED (KNOTS) 20 26 25 25 35 25 20 28 20 24 25 22 35 DAY 15 21 3 1 10 22 8 1 13 11 16 26 DAYS WITH SKY CLEAR (0-2)/8 13 10 16 6 11 30 29 30 30 26 9 11 221 DAYS WITH P.CLOUDY (3-6)/8 9 10 9 16 14 0 2 1 0 1 14 12 88 DAYS WITH CLOUDY (7-8)/8 9 9 6 8 6 0 0 0 0 4 7 8 57 DAYS WITH VISIBILITY =< 2 KM 7 4 11 1 5 4 5 5 2 0 1 1 46 DURATION OF SUNSHINE HOURS 147.2 175.7 184.2 216.2 258.7 344.3 343.2 317.6 307.8 260.4 149.4 167.2 2871.9 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1968 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1001.6 1001.8 997.0 995.5 992.7 985.8 981.5 983.8 989.8 996.5 1001.7 1001.3 994.1 MAX. QFE PRESSURE IN HPA 1009.8 1010.4 1002.8 1001.6 1000.1 995.5 987.5 991.8 995.7 1003.5 1007.0 1008.2 1010.4 DAY-HOUR 19- 6 5- 6 4- 6 4- 6 2- 6 1- 9 20- 6 30- 6 23- 6 21- 6 20- 6 18- 6 MIN. QFE PRESSURE IN HPA 992.6 989.0 989.0 984.7 987.0 979.4 976.7 979.6 984.3 990.5 994.2 994.8 976.7 DAY-HOUR 15-12 2-15 10-12 23-15 24-15 22-15 9-15 1-15 4-15 3-15 1-12 5- 0 MEAN QNH PRESSURE IN HPA 1018.5 1018.6 1013.8 1012.2 1009.4 1002.5 998.0 1000.4 1006.5 1013.2 1018.6 1018.1 1010.8 MAX. QNH PRESSURE IN HPA 1026.7 1027.4 1019.7 1018.4 1016.9 1012.3 1004.1 1008.5 1012.5 1020.4 1023.9 1025.1 1027.4 DAY-HOUR 19- 6 5- 6 4- 6 4- 6 2- 6 1- 9 20- 6 30- 6 23- 6 21- 6 20- 6 18- 6 MIN. QNH PRESSURE IN HPA 1009.3 1005.7 1005.7 1001.3 1003.6 995.9 993.2 996.1 1000.9 1007.2 1010.9 1011.5 993.2 DAY-HOUR 15-12 2-15 10-12 23-15 24-15 22-15 9-15 1-15 4-15 3-15 1-12 5- 0 MEAN QFF PRESSURE IN HPA 1018.9 1019.1 1013.8 1012.0 1008.7 1001.5 996.9 999.4 1005.7 1012.7 1018.4 1018.3 1010.4 MAX. QFF PRESSURE IN HPA 1027.5 1028.1 1019.9 1018.5 1016.4 1011.4 1003.0 1007.5 1011.8 1019.9 1024.0 1025.4 1028.1 DAY-HOUR 19- 6 5- 6 4- 6 4- 6 2- 6 1- 9 20- 6 30- 6 23- 6 21- 6 20- 6 18- 6 MIN. QFF PRESSURE IN HPA 1009.6 1006.2 1005.6 1001.0 1002.9 995.2 992.1 995.0 999.7 1006.6 1010.6 1011.7 992.1 DAY-HOUR 15-12 2-15 10-12 23-15 24-15 22-15 9-15 1-15 4-15 3-15 1-12 5- 0 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 1001.8 1001.4 996.6 995.0 992.3 985.8 981.1 983.4 989.5 996.1 1001.5 1001.3 993.8 MAX. QFE PRESSURE IN HPA 1009.5 1009.2 1001.0 1000.7 997.7 994.1 984.5 989.0 993.0 1002.0 1005.7 1007.1 1009.5 DAY 19 5 1 4 2 2 20 30 22 22 17 19 MIN. QFE PRESSURE IN HPA 993.0 994.5 991.2 986.9 988.5 981.0 977.3 980.4 985.8 991.4 997.0 994.8 977.3 DAY 25 2 20 24 25 23 10 2 6 4 2 5 MEAN QNH PRESSURE IN HPA 1018.7 1018.3 1013.3 1011.7 1009.0 1002.4 997.6 999.9 1006.2 1012.8 1018.3 1018.1 1010.5 MAX. QNH PRESSURE IN HPA 1026.4 1026.1 1017.8 1017.5 1014.5 1010.8 1001.1 1005.7 1009.7 1018.8 1022.6 1024.0 1026.4 DAY 19 5 1 4 2 2 20 30 22 22 17 19 MIN. QNH PRESSURE IN HPA 1009.7 1011.2 1007.9 1003.5 1005.2 997.6 993.8 996.9 1002.4 1008.1 1013.8 1011.5 993.8 DAY 25 2 20 24 25 23 10 2 6 4 2 5 MEAN QFF PRESSURE IN HPA 1019.1 1018.6 1013.3 1011.4 1008.3 1001.5 996.5 998.9 1005.3 1012.3 1018.2 1018.2 1010.1 MAX. QFF PRESSURE IN HPA 1027.1 1026.8 1018.0 1017.5 1014.1 1010.0 1000.0 1004.7 1008.9 1018.2 1022.6 1024.2 1027.1 DAY 19 5 4 4 2 2 21 30 22 22 17 19 MIN. QFF PRESSURE IN HPA 1010.2 1011.6 1008.0 1003.4 1004.3 996.7 992.7 995.9 1001.4 1007.3 1013.5 1011.7 992.7 DAY 25 2 20 24 25 23 10 2 6 4 1 5 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1001.8 1001.7 997.2 995.6 993.1 986.4 982.1 984.0 990.0 996.6 1001.5 1001.3 994.3 MAX. QFE PRESSURE IN HPA 1009.0 1009.2 1001.1 1000.1 999.1 994.8 986.8 990.7 994.1 1002.2 1006.2 1006.2 1009.2 DAY 19 5 4 4 2 2 20 30 23 22 24 19 MIN. QFE PRESSURE IN HPA 993.0 994.1 990.0 989.3 989.0 981.8 978.6 980.7 986.0 991.5 995.7 995.6 978.6 DAY 25 2 10 24 20 24 10 11 6 4 1 5 MEAN QNH PRESSURE IN HPA 1018.6 1018.5 1014.0 1012.4 1009.8 1003.0 998.7 1000.6 1006.7 1013.4 1018.3 1018.1 1011.0 MAX. QNH PRESSURE IN HPA 1025.9 1026.1 1017.9 1016.9 1015.9 1011.5 1003.4 1007.4 1010.8 1019.0 1023.1 1023.1 1026.1 DAY 19 5 4 4 2 2 20 30 23 22 24 19 MIN. QNH PRESSURE IN HPA 1009.7 1010.8 1006.7 1006.0 1005.7 998.4 995.1 997.2 1002.6 1008.2 1012.5 1012.4 995.1 DAY 25 2 10 24 20 24 10 11 6 4 1 5 MEAN QFF PRESSURE IN HPA 1019.1 1019.0 1014.1 1012.2 1009.2 1002.2 997.6 999.7 1006.0 1013.0 1018.3 1018.4 1010.7 MAX. QFF PRESSURE IN HPA 1026.7 1026.9 1018.2 1017.1 1015.6 1010.7 1002.4 1006.4 1010.2 1018.7 1023.0 1023.4 1026.9 DAY 19 5 4 4 2 2 20 30 23 22 24 19 MIN. QFF PRESSURE IN HPA 1010.2 1011.3 1006.7 1005.8 1004.8 997.6 994.1 996.3 1001.8 1007.5 1012.1 1012.5 994.1 DAY 25 2 10 24 20 24 10 11 6 4 1 5 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1968 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1002.8 1002.9 998.5 996.8 994.1 987.1 982.9 985.0 991.2 998.1 1002.9 1002.8 995.4 MAX. QFE PRESSURE IN HPA 1009.8 1010.4 1002.8 1001.6 1000.1 995.4 987.5 991.8 995.7 1003.5 1007.0 1008.2 1010.4 DAY 19 5 4 4 2 2 20 30 23 21 20 18 MIN. QFE PRESSURE IN HPA 995.2 992.6 990.6 989.0 989.7 982.3 979.6 981.9 987.4 992.8 995.1 996.8 979.6 DAY 25 2 10 24 25 24 10 2 6 4 1 5 MEAN QNH PRESSURE IN HPA 1019.6 1019.8 1015.3 1013.6 1010.8 1003.7 999.5 1001.6 1007.9 1014.9 1019.8 1019.6 1012.2 MAX. QNH PRESSURE IN HPA 1026.7 1027.4 1019.7 1018.4 1016.9 1012.1 1004.1 1008.5 1012.5 1020.4 1023.9 1025.1 1027.4 DAY 19 5 4 4 2 2 20 30 23 21 20 18 MIN. QNH PRESSURE IN HPA 1011.9 1009.3 1007.3 1005.7 1006.4 998.9 996.1 998.5 1004.0 1009.5 1011.8 1013.6 996.1 DAY 25 2 10 24 25 24 10 2 6 4 1 5 MEAN QFF PRESSURE IN HPA 1020.2 1020.2 1015.3 1013.3 1010.1 1002.7 998.3 1000.6 1007.1 1014.4 1019.7 1019.9 1011.8 MAX. QFF PRESSURE IN HPA 1027.5 1028.1 1019.9 1018.5 1016.4 1011.3 1003.0 1007.5 1011.8 1019.9 1024.0 1025.4 1028.1 DAY 19 5 4 4 2 2 20 30 23 21 20 18 MIN. QFF PRESSURE IN HPA 1012.4 1009.7 1007.2 1005.5 1005.5 997.9 995.1 997.4 1002.9 1008.7 1011.5 1013.7 995.1 DAY 25 2 10 24 25 24 10 2 4 4 1 5 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1002.0 1002.6 998.0 996.4 993.6 986.7 982.6 984.7 990.8 997.2 1002.2 1001.5 994.8 MAX. QFE PRESSURE IN HPA 1007.9 1009.5 1002.5 1001.6 999.2 995.5 986.6 991.6 995.1 1002.4 1006.3 1007.2 1009.5 DAY 19 5 4 4 2 1 20 30 23 21 24 18 MIN. QFE PRESSURE IN HPA 995.1 992.0 990.6 988.9 989.5 982.0 979.2 981.8 986.9 992.4 995.4 996.5 979.2 DAY 25 2 10 23 30 24 4 15 4 6 1 5 MEAN QNH PRESSURE IN HPA 1018.8 1019.5 1014.7 1013.1 1010.3 1003.3 999.1 1001.3 1007.5 1014.0 1019.1 1018.4 1011.6 MAX. QNH PRESSURE IN HPA 1024.8 1026.4 1019.4 1018.4 1016.0 1012.3 1003.2 1008.3 1011.8 1019.2 1023.2 1024.1 1026.4 DAY 19 5 4 4 2 1 20 30 23 21 24 18 MIN. QNH PRESSURE IN HPA 1011.8 1008.7 1007.3 1005.6 1006.2 998.6 995.7 998.4 1003.5 1009.1 1012.1 1013.3 995.7 DAY 25 2 10 23 30 24 4 15 4 6 1 5 MEAN QFF PRESSURE IN HPA 1019.2 1020.0 1014.6 1012.9 1009.6 1002.4 997.9 1000.2 1006.6 1013.5 1018.9 1018.5 1011.2 MAX. QFF PRESSURE IN HPA 1025.6 1027.1 1019.5 1018.5 1015.5 1011.4 1002.0 1007.2 1011.1 1018.6 1023.1 1024.2 1027.1 DAY 19 5 4 4 2 1 20 30 23 21 24 18 MIN. QFF PRESSURE IN HPA 1012.1 1009.2 1007.1 1005.3 1005.4 997.6 994.6 997.3 1002.3 1008.5 1011.8 1013.3 994.6 DAY 25 2 10 23 30 24 4 15 4 6 1 5 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 1000.6 1001.2 996.4 994.5 991.9 985.3 981.1 983.3 989.1 995.5 1000.9 1000.4 993.3 MAX. QFE PRESSURE IN HPA 1007.1 1007.9 1000.7 1000.3 997.3 994.0 984.5 989.8 992.9 1000.3 1004.8 1005.8 1007.9 DAY 19 4 1 4 2 1 20 30 23 21 23 18 MIN. QFE PRESSURE IN HPA 992.6 989.8 989.0 985.3 988.0 980.7 978.0 980.4 985.2 990.6 994.2 995.6 978.0 DAY 15 2 10 23 30 22 9 2 4 6 1 8 MEAN QNH PRESSURE IN HPA 1017.4 1018.0 1013.1 1011.3 1008.6 1001.9 997.6 999.9 1005.8 1012.2 1017.7 1017.2 1010.1 MAX. QNH PRESSURE IN HPA 1024.0 1024.8 1017.5 1017.1 1014.1 1010.7 1001.1 1006.5 1009.6 1017.1 1021.7 1022.7 1024.8 DAY 19 4 1 4 2 1 20 30 23 21 23 18 MIN. QNH PRESSURE IN HPA 1009.3 1006.5 1005.7 1001.9 1004.6 997.2 994.5 996.9 1001.8 1007.3 1010.9 1012.4 994.5 DAY 15 2 10 23 30 22 9 2 4 6 1 8 MEAN QFF PRESSURE IN HPA 1017.8 1018.4 1013.1 1011.0 1007.9 1001.0 996.5 998.8 1004.9 1011.7 1017.5 1017.3 1009.7 MAX. QFF PRESSURE IN HPA 1024.7 1025.5 1017.7 1017.1 1013.6 1009.9 999.9 1005.5 1008.9 1016.5 1021.6 1022.8 1025.5 DAY 19 4 1 4 2 1 20 30 23 21 23 18 MIN. QFF PRESSURE IN HPA 1009.6 1006.9 1005.6 1001.6 1003.9 996.3 993.5 995.9 1000.6 1006.7 1010.6 1012.4 993.5 DAY 15 2 10 23 30 23 9 9 4 3 1 8 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1968 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1000.8 1001.1 996.0 994.3 991.5 984.5 980.1 982.6 988.7 995.5 1001.2 1000.7 993.1 MAX. QFE PRESSURE IN HPA 1008.3 1008.3 1000.2 1000.3 997.9 993.2 983.5 988.4 992.6 1000.8 1005.6 1005.8 1008.3 DAY 19 4 26 4 1 1 20 29 22 21 23 18 MIN. QFE PRESSURE IN HPA 992.7 989.0 989.8 984.7 987.0 979.4 976.7 979.6 984.3 990.5 994.4 995.8 976.7 DAY 15 2 10 23 24 22 9 1 4 3 1 15 MEAN QNH PRESSURE IN HPA 1017.6 1018.0 1012.8 1011.1 1008.2 1001.1 996.6 999.2 1005.3 1012.3 1018.0 1017.6 1009.8 MAX. QNH PRESSURE IN HPA 1025.2 1025.2 1017.0 1017.1 1014.7 1009.9 1000.1 1005.1 1009.3 1017.6 1022.5 1022.7 1025.2 DAY 19 4 26 4 1 1 20 29 22 21 23 18 MIN. QNH PRESSURE IN HPA 1009.4 1005.7 1006.5 1001.3 1003.6 995.9 993.2 996.1 1000.9 1007.2 1011.1 1012.6 993.2 DAY 15 2 10 23 24 22 9 1 4 3 1 15 MEAN QFF PRESSURE IN HPA 1018.1 1018.4 1012.9 1010.9 1007.5 1000.2 995.6 998.3 1004.6 1011.8 1018.0 1017.8 1009.5 MAX. QFF PRESSURE IN HPA 1026.0 1026.0 1017.3 1017.2 1014.5 1009.1 999.0 1004.1 1008.8 1017.2 1022.5 1022.9 1026.0 DAY 19 4 26 4 1 1 20 29 22 21 23 18 MIN. QFF PRESSURE IN HPA 1009.6 1006.2 1006.5 1001.0 1002.9 995.2 992.1 995.0 999.7 1006.6 1010.9 1012.8 992.1 DAY 15 2 10 23 24 22 9 1 4 3 1 15 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 1001.7 1001.8 996.9 995.7 992.6 985.4 980.9 983.7 989.7 996.4 1001.9 1001.3 994.0 MAX. QFE PRESSURE IN HPA 1008.0 1009.6 1001.2 1001.1 999.7 994.4 984.6 989.8 993.4 1002.0 1006.6 1006.5 1009.6 DAY 18 4 26 4 1 1 20 29 23 21 16 18 MIN. QFE PRESSURE IN HPA 994.4 990.8 991.6 988.1 988.9 980.8 977.0 980.9 986.1 991.6 996.2 996.4 977.0 DAY 15 2 10 23 30 22 9 2 6 3 1 4 MEAN QNH PRESSURE IN HPA 1018.6 1018.6 1013.7 1012.4 1009.3 1002.0 997.5 1000.3 1006.4 1013.2 1018.8 1018.1 1010.7 MAX. QNH PRESSURE IN HPA 1024.9 1026.5 1018.0 1017.9 1016.5 1011.1 1001.2 1006.5 1010.1 1018.8 1023.5 1023.4 1026.5 DAY 18 4 26 4 1 1 20 29 23 21 16 18 MIN. QNH PRESSURE IN HPA 1011.1 1007.5 1008.3 1004.7 1005.6 997.3 993.5 997.4 1002.7 1008.3 1013.0 1013.2 993.5 DAY 15 2 10 23 30 22 9 2 6 3 1 4 MEAN QFF PRESSURE IN HPA 1019.1 1019.1 1013.7 1012.1 1008.6 1001.0 996.3 999.3 1005.6 1012.6 1018.6 1018.3 1010.4 MAX. QFF PRESSURE IN HPA 1025.7 1027.3 1018.2 1017.9 1016.1 1010.3 1000.0 1005.5 1009.4 1018.4 1023.5 1023.6 1027.3 DAY 18 4 26 4 1 1 20 29 23 21 16 18 MIN. QFF PRESSURE IN HPA 1011.4 1008.1 1008.2 1004.5 1004.8 996.4 992.4 996.4 1001.8 1007.5 1012.7 1013.3 992.4 DAY 15 2 10 23 30 22 9 15 4 3 1 4 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 1001.7 1001.7 996.8 995.7 992.6 985.8 981.2 983.7 989.7 996.4 1001.9 1001.3 994.0 MAX. QFE PRESSURE IN HPA 1009.0 1009.4 1001.2 1001.2 998.7 994.3 985.1 989.0 993.6 1002.0 1006.4 1006.7 1009.4 DAY 18 4 26 3 1 1 20 29 22 21 16 18 MIN. QFE PRESSURE IN HPA 994.2 993.6 991.2 988.0 988.4 981.3 977.3 981.1 986.2 991.4 996.8 995.0 977.3 DAY 24 2 9 23 19 22 9 1 5 3 1 4 MEAN QNH PRESSURE IN HPA 1018.5 1018.6 1013.6 1012.4 1009.4 1002.4 997.8 1000.3 1006.4 1013.1 1018.7 1018.1 1010.8 MAX. QNH PRESSURE IN HPA 1025.9 1026.3 1018.0 1018.0 1015.5 1011.0 1001.7 1005.7 1010.3 1018.8 1023.3 1023.6 1026.3 DAY 18 4 26 3 1 1 20 29 22 21 16 18 MIN. QNH PRESSURE IN HPA 1010.9 1010.3 1007.9 1004.6 1005.1 997.9 993.8 997.7 1002.8 1008.1 1013.6 1011.7 993.8 DAY 24 2 9 23 19 22 9 1 5 3 1 4 MEAN QFF PRESSURE IN HPA 1019.0 1019.0 1013.5 1012.1 1008.6 1001.4 996.6 999.2 1005.5 1012.6 1018.5 1018.3 1010.4 MAX. QFF PRESSURE IN HPA 1026.7 1027.0 1018.1 1018.0 1015.1 1010.2 1000.5 1004.6 1009.6 1018.2 1023.3 1023.8 1027.0 DAY 18 4 26 3 1 1 20 29 22 21 16 18 MIN. QFF PRESSURE IN HPA 1011.4 1011.0 1007.7 1004.5 1004.2 996.9 992.7 996.6 1001.8 1007.3 1013.2 1011.8 992.7 DAY 24 2 9 23 19 23 9 1 4 3 1 4 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1969 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 11.9 12.8 19.3 21.1 29.9 35.4 36.7 35.9 32.8 28.1 17.1 14.2 24.6 MINIMUN AIR TEMPERATURE (C) 7.6 7.6 14.2 15.3 21.7 24.9 26.6 26.7 22.9 20.5 10.2 8.9 17.3 DAYS WITH MINIMUM TEMP. >=21 0 0 0 2 19 29 31 31 27 15 0 0 154 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS LOWEST(C) 1.0 2.0 9.0 7.0 16.0 20.0 23.0 24.0 19.0 14.0 4.0 3.0 1.0 DAY 31 1 24 14 7 16 3 15 23 31 21 10 MAXIMUM AIR TEMPERATURE (C) 17.7 19.1 25.4 27.6 37.4 43.4 45.3 44.3 41.0 35.8 25.4 21.6 32.0 DAYS WITH MAXIMUM TEMP. >=30 0 0 3 10 31 30 31 31 30 28 1 0 195 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 21.0 25.0 31.0 36.0 41.0 47.0 49.0 47.0 46.0 43.0 30.0 26.0 49.0 DAY 17 27 31 29 12 12 15 14 8 1 1 20 DIF. BETWEEN (MAX.-MIN.) (C) 10.1 11.5 11.2 12.3 15.7 18.5 18.7 17.6 18.1 15.3 15.2 12.7 14.7 MEAN DAILY TEMP. (MDT) (C) 12.7 13.4 19.8 21.4 29.5 34.1 36.0 35.5 31.9 28.1 17.8 15.2 24.6 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 11.5 48.5 265.0 394.5 464.5 448.5 328.0 221.0 3.0 0.0 2184.5 HEATING DEG. DAYS(BASE 18 0C) 165.0 130.5 9.5 5.5 0.0 0.0 0.0 0.0 0.0 0.0 31.0 89.0 430.5 DEWPOINT (MEAN C) 8.4 6.6 12.6 11.5 9.3 4.4 5.6 8.6 6.0 8.9 8.0 6.8 8.1 MIXING RATIO (G/KG) 7.07 6.38 9.43 8.89 7.87 5.48 6.12 7.46 6.20 7.51 7.06 6.46 7.16 VAPOUR PRESSURE (HPA) 11.23 10.16 14.87 14.03 12.37 8.60 9.55 11.66 9.77 11.86 11.22 10.30 11.30 SATURATION DEF. (HPA) 3.13 5.13 8.26 12.40 31.98 52.23 55.60 50.08 42.49 27.96 9.23 6.56 25.42 RELATIVE HUMIDITY (MEAN %) 81 70 68 60 33 17 17 21 21 33 59 65 45 RELATIVE HUMIDITY (MAX. %) 96 90 87 84 58 31 28 35 33 47 79 83 63 RELATIVE HUMIDITY (MIN. %) 56 44 43 33 17 8 9 12 12 22 36 44 28 RELATIVE HUMIDITY (MEAN% 03UTC) 91 84 80 77 53 28 27 32 30 44 76 77 58 RELATIVE HUMIDITY (MEAN% 09UTC) 66 49 53 45 21 11 13 17 16 26 40 49 34 RELATIVE HUMIDITY (MEAN% 15UTC) 75 63 62 47 22 10 11 13 17 29 50 60 38 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 186.0 61.1 74.4 88.1 26.0 0.0 0.0 0.1 0.0 0.4 36.0 55.2 527.3 DAYS WITH PRECIPITATION >=10 7 2 2 3 1 0 0 0 0 0 1 2 18 DAYS WITH PRECIPITATION >= 5 10 4 6 4 1 0 0 0 0 0 3 4 32 DAYS WITH PRECIPITATION >= 1 12 6 11 11 1 0 0 0 0 0 5 7 53 DAYS WITH PRECIPITATION 13 7 14 12 1 0 0 1 0 3 5 9 65 GREATEST DAILY PRECIPITATION 36.0 27.0 23.0 33.0 26.0 0.0 0.0 0.1 0.0 0.2 22.0 23.0 36.0 DAY 19 20 23 5 7 ** ** 29 ** 21 2 17 DAY WITH THUNDER STORM 2 1 2 6 3 0 0 1 0 2 1 2 20 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 1 9 11 10 13 19 25 19 10 10 1 7 135 WIND DIRECTION (PREVAILING) 90 90 90 225 360 225 225 225 225 225 225 135 225 PREVAILING WIND SPEED(KNOTS) 14.4 12.0 15.8 11.0 11.1 11.0 11.3 9.1 9.6 8.4 7.9 13.9 9.7 PREVAILING WIND PERCENT 11.7 10.7 13.8 12.1 12.1 16.3 28.7 26.3 20.5 13.3 7.1 8.1 12.9 CALMS PERCENT OF WIND 48.8 51.3 42.9 41.3 34.4 31.8 34.4 33.2 47.7 50.0 79.2 66.5 46.7 NO. OF WIND OBSERVATION 248 224 247 240 247 239 247 247 239 248 240 248 2914 VECTOR WIND DIRECTION (MEAN) 124 73 95 173 301 255 216 199 246 152 247 98 178 VECTOR WIND MAGNITUDE(KNOTS) 2.4 1.6 3.9 0.7 1.2 3.4 4.1 3.2 2.1 2.0 0.2 1.8 0.9 WIND STEADINESES (MEAN %) 41.4 30.8 56.5 10.3 16.2 47.2 57.7 46.4 38.2 37.7 10.0 45.0 15.5 WIND SPEED (MEAN KNOTS) 5.8 5.2 6.9 6.8 7.4 7.2 7.1 6.9 5.5 5.3 2.0 4.0 5.8 FASTEST WIND DIRECTION 110 120 100 270 160 10 220 360 300 70 60 130 360 FASTEST WIND SPEED (KNOTS) 32 30 32 32 35 30 25 50 40 30 25 35 50 DAY 19 8 8 13 4 11 10 27 13 21 2 24 DAYS WITH SKY CLEAR (0-2)/8 10 12 3 9 17 30 30 30 29 16 22 12 220 DAYS WITH P.CLOUDY (3-6)/8 11 8 14 10 11 0 1 1 1 11 7 9 84 DAYS WITH CLOUDY (7-8)/8 10 8 14 11 3 0 0 0 0 4 1 10 61 DAYS WITH VISIBILITY =< 2 KM 7 8 1 7 6 3 10 6 2 1 1 5 57 DURATION OF SUNSHINE HOURS 130.2 132.7 125.2 199.9 307.8 360.2 345.1 337.5 310.0 229.2 209.8 133.5 2821.1 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1969 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1000.4 1001.9 996.5 996.1 991.1 985.5 981.1 984.2 990.1 995.5 1001.5 1002.6 993.9 MAX. QFE PRESSURE IN HPA 1009.7 1009.2 1004.6 1002.9 998.0 991.2 985.0 993.1 996.8 1002.3 1008.4 1007.3 1009.7 DAY-HOUR 31- 6 4- 6 25- 6 14- 6 6-18 3- 6 27- 6 29- 6 30- 6 31- 6 24- 6 18- 6 MIN. QFE PRESSURE IN HPA 988.8 996.1 985.3 989.4 984.8 980.6 977.1 976.9 983.3 990.2 995.5 997.2 976.9 DAY-HOUR 24-12 15-12 20-15 1-21 31-15 14-15 17-15 7-15 7-15 1-15 7-21 26-18 MEAN QNH PRESSURE IN HPA 1017.2 1018.7 1013.3 1012.9 1007.8 1002.1 997.6 1000.8 1006.7 1012.3 1018.3 1019.5 1010.6 MAX. QNH PRESSURE IN HPA 1026.6 1026.1 1021.5 1019.8 1014.8 1007.9 1001.6 1009.8 1013.6 1019.1 1025.3 1024.2 1026.6 DAY-HOUR 31- 6 4- 6 25- 6 14- 6 6-18 3- 6 27- 6 29- 6 30- 6 31- 6 24- 6 18- 6 MIN. QNH PRESSURE IN HPA 1005.5 1012.9 1001.9 1006.1 1001.4 997.1 993.6 993.4 999.9 1006.9 1012.3 1014.0 993.4 DAY-HOUR 24-12 15-12 20-15 1-21 31-15 14-15 17-15 7-15 7-15 1-15 7-21 26-18 MEAN QFF PRESSURE IN HPA 1017.5 1019.0 1013.1 1012.7 1007.1 1001.1 996.6 999.8 1005.9 1011.7 1018.4 1019.7 1010.2 MAX. QFF PRESSURE IN HPA 1027.5 1026.7 1021.6 1019.9 1014.3 1007.2 1000.4 1009.0 1012.7 1018.9 1025.6 1024.4 1027.5 DAY-HOUR 31- 6 4- 6 25- 6 14- 6 6-18 4- 6 27- 6 29- 6 30- 6 31- 6 24- 6 18- 6 MIN. QFF PRESSURE IN HPA 1005.7 1013.2 1001.7 1005.6 1000.6 996.1 992.6 992.4 999.0 1005.9 1012.0 1014.1 992.4 DAY-HOUR 23- 3 15-12 20-15 1-21 31-15 12-15 17-15 7-15 7-15 1-15 7-21 26-18 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 1000.2 1001.8 996.0 995.5 990.7 985.3 980.8 984.0 989.9 995.2 1001.3 1002.5 993.6 MAX. QFE PRESSURE IN HPA 1008.0 1008.0 1003.8 1001.6 996.1 989.4 982.5 991.0 994.6 1000.7 1006.0 1005.8 1008.0 DAY 31 4 25 19 17 4 3 29 29 31 24 10 MIN. QFE PRESSURE IN HPA 989.9 996.3 986.7 989.9 986.8 981.5 977.8 977.2 985.0 990.7 997.4 998.1 977.2 DAY 23 15 22 2 31 14 18 8 7 20 2 31 MEAN QNH PRESSURE IN HPA 1017.0 1018.6 1012.7 1012.3 1007.4 1001.9 997.4 1000.6 1006.5 1011.9 1018.1 1019.3 1010.3 MAX. QNH PRESSURE IN HPA 1024.9 1024.9 1020.7 1018.4 1012.9 1006.1 999.1 1007.7 1011.3 1017.5 1022.9 1022.7 1024.9 DAY 31 4 25 19 17 4 3 29 29 31 24 10 MIN. QNH PRESSURE IN HPA 1006.6 1013.1 1003.3 1006.6 1003.4 998.1 994.3 993.7 1001.6 1007.4 1014.2 1014.9 993.7 DAY 23 15 22 2 31 14 18 8 7 20 2 31 MEAN QFF PRESSURE IN HPA 1017.3 1018.9 1012.6 1012.0 1006.7 1000.9 996.3 999.5 1005.7 1011.3 1018.1 1019.5 1009.9 MAX. QFF PRESSURE IN HPA 1025.6 1025.4 1020.8 1018.4 1012.1 1005.2 998.1 1006.8 1010.5 1017.3 1023.0 1023.0 1025.6 DAY 31 4 25 19 17 4 3 29 29 31 25 10 MIN. QFF PRESSURE IN HPA 1006.6 1013.3 1003.0 1006.1 1002.6 997.1 993.2 992.6 1000.6 1006.7 1013.7 1015.2 992.6 DAY 23 15 22 2 27 14 18 8 7 20 2 31 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1000.0 1001.9 996.6 996.0 991.4 985.8 981.5 984.6 990.3 995.7 1001.5 1002.6 994.0 MAX. QFE PRESSURE IN HPA 1008.0 1007.6 1004.0 1001.6 996.4 991.0 984.2 991.9 995.2 1001.0 1006.7 1005.9 1008.0 DAY 31 4 25 19 17 4 15 29 29 31 25 10 MIN. QFE PRESSURE IN HPA 989.1 996.5 987.4 991.0 986.8 981.5 978.3 978.7 985.3 991.0 996.4 997.8 978.3 DAY 23 15 20 2 31 14 18 8 7 20 8 31 MEAN QNH PRESSURE IN HPA 1016.8 1018.7 1013.3 1012.7 1008.1 1002.5 998.0 1001.2 1007.0 1012.4 1018.3 1019.5 1010.7 MAX. QNH PRESSURE IN HPA 1024.9 1024.5 1020.9 1018.4 1013.2 1007.7 1000.8 1008.6 1011.9 1017.8 1023.6 1022.8 1024.9 DAY 31 4 25 19 17 4 15 29 29 31 25 10 MIN. QNH PRESSURE IN HPA 1005.8 1013.3 1004.0 1007.7 1003.4 998.1 994.8 995.2 1001.9 1007.7 1013.2 1014.6 994.8 DAY 23 15 20 2 31 14 18 8 7 20 8 31 MEAN QFF PRESSURE IN HPA 1017.2 1019.1 1013.3 1012.5 1007.5 1001.5 997.0 1000.3 1006.2 1011.9 1018.5 1019.8 1010.4 MAX. QFF PRESSURE IN HPA 1025.8 1025.1 1021.1 1018.7 1012.5 1006.9 999.7 1007.7 1011.3 1017.8 1023.9 1023.3 1025.8 DAY 31 4 25 14 17 4 15 29 29 31 25 10 MIN. QFF PRESSURE IN HPA 1005.7 1013.6 1003.8 1007.3 1002.7 997.1 993.8 994.2 1001.0 1007.1 1013.1 1014.9 993.8 DAY 23 15 20 2 31 14 18 8 7 20 8 31 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1969 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1001.4 1002.9 998.0 997.3 992.4 986.7 982.3 985.7 991.5 997.1 1002.9 1003.9 995.2 MAX. QFE PRESSURE IN HPA 1009.7 1009.2 1004.6 1002.9 996.6 991.2 985.0 993.1 996.8 1002.3 1008.4 1007.3 1009.7 DAY 31 4 25 14 17 3 27 29 30 31 24 18 MIN. QFE PRESSURE IN HPA 990.0 997.6 989.5 992.1 987.4 982.7 978.9 979.5 986.9 992.8 997.2 1000.1 978.9 DAY 23 15 20 2 31 14 18 7 7 20 8 31 MEAN QNH PRESSURE IN HPA 1018.3 1019.7 1014.8 1014.0 1009.1 1003.3 998.9 1002.4 1008.2 1013.9 1019.7 1020.8 1011.9 MAX. QNH PRESSURE IN HPA 1026.6 1026.1 1021.5 1019.8 1013.4 1007.9 1001.6 1009.8 1013.6 1019.1 1025.3 1024.2 1026.6 DAY 31 4 25 14 17 3 27 29 30 31 24 18 MIN. QNH PRESSURE IN HPA 1006.7 1014.4 1006.2 1008.8 1004.0 999.3 995.4 996.0 1003.5 1009.5 1014.0 1016.9 995.4 DAY 23 15 20 2 31 14 18 7 7 20 8 31 MEAN QFF PRESSURE IN HPA 1018.7 1020.1 1014.7 1013.8 1008.4 1002.3 997.8 1001.3 1007.3 1013.3 1019.8 1021.1 1011.5 MAX. QFF PRESSURE IN HPA 1027.5 1026.7 1021.6 1019.9 1012.6 1007.2 1000.4 1009.0 1012.7 1018.9 1025.6 1024.4 1027.5 DAY 31 4 25 14 17 4 27 29 30 31 24 18 MIN. QFF PRESSURE IN HPA 1006.7 1014.8 1006.1 1008.4 1003.2 998.3 994.4 994.9 1002.5 1008.8 1013.9 1017.2 994.4 DAY 23 15 20 2 31 14 18 7 7 20 8 31 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1000.9 1002.7 997.7 997.0 992.1 986.3 981.9 985.1 990.8 996.4 1002.1 1003.2 994.7 MAX. QFE PRESSURE IN HPA 1009.6 1008.8 1004.1 1002.5 996.0 991.2 984.2 992.5 996.0 1001.8 1007.6 1006.7 1009.6 DAY 31 3 25 14 16 3 14 29 29 31 25 18 MIN. QFE PRESSURE IN HPA 990.8 997.3 986.5 991.5 987.1 982.8 978.5 979.1 986.0 992.1 997.1 999.2 978.5 DAY 23 15 20 17 31 14 18 7 7 20 8 31 MEAN QNH PRESSURE IN HPA 1017.7 1019.5 1014.5 1013.7 1008.8 1002.9 998.5 1001.7 1007.5 1013.1 1018.9 1020.1 1011.4 MAX. QNH PRESSURE IN HPA 1026.5 1025.7 1021.0 1019.4 1012.8 1007.9 1000.8 1009.2 1012.8 1018.6 1024.5 1023.6 1026.5 DAY 31 3 25 14 16 3 14 29 29 31 25 18 MIN. QNH PRESSURE IN HPA 1007.5 1014.1 1003.1 1008.2 1003.7 999.4 995.0 995.6 1002.6 1008.8 1013.9 1016.0 995.0 DAY 23 15 20 17 31 14 18 7 7 20 8 31 MEAN QFF PRESSURE IN HPA 1018.0 1019.8 1014.3 1013.6 1008.1 1001.9 997.4 1000.7 1006.6 1012.4 1018.9 1020.2 1011.0 MAX. QFF PRESSURE IN HPA 1027.3 1026.1 1021.1 1019.6 1011.9 1007.0 999.5 1008.3 1011.9 1018.3 1024.6 1023.6 1027.3 DAY 31 3 25 14 16 3 14 29 29 31 25 18 MIN. QFF PRESSURE IN HPA 1007.5 1014.4 1002.9 1008.1 1002.9 998.4 994.0 994.6 1001.6 1008.0 1013.7 1016.2 994.0 DAY 23 15 20 17 31 14 18 7 7 20 8 31 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 999.5 1001.0 995.9 995.6 990.6 985.0 980.6 983.5 989.2 994.7 1000.5 1001.8 993.1 MAX. QFE PRESSURE IN HPA 1007.3 1007.3 1002.6 1001.2 995.8 990.5 982.6 990.8 994.6 999.6 1006.5 1005.1 1007.3 DAY 31 3 25 14 16 3 2 29 29 31 24 18 MIN. QFE PRESSURE IN HPA 988.8 996.1 985.5 990.9 985.7 981.6 977.7 977.4 983.6 990.8 996.1 997.8 977.4 DAY 24 15 20 1 31 13 18 7 7 1 7 31 MEAN QNH PRESSURE IN HPA 1016.3 1017.8 1012.6 1012.3 1007.3 1001.6 997.1 1000.1 1005.9 1011.4 1017.3 1018.6 1009.9 MAX. QNH PRESSURE IN HPA 1024.2 1024.2 1019.5 1018.0 1012.6 1007.2 999.2 1007.5 1011.3 1016.4 1023.4 1022.0 1024.2 DAY 31 3 25 14 16 3 2 29 29 31 24 18 MIN. QNH PRESSURE IN HPA 1005.5 1012.9 1002.1 1007.6 1002.3 998.2 994.2 993.9 1000.2 1007.5 1012.9 1014.6 993.9 DAY 24 15 20 1 31 13 18 7 7 1 7 31 MEAN QFF PRESSURE IN HPA 1016.6 1018.1 1012.5 1012.1 1006.5 1000.6 996.1 999.1 1005.1 1010.8 1017.3 1018.8 1009.5 MAX. QFF PRESSURE IN HPA 1024.9 1024.6 1019.5 1018.3 1011.8 1006.4 998.0 1006.6 1010.5 1016.1 1023.4 1022.0 1024.9 DAY 31 3 25 14 16 3 10 29 29 31 24 18 MIN. QFF PRESSURE IN HPA 1005.9 1013.2 1001.8 1007.2 1001.5 997.0 993.1 992.8 999.2 1006.4 1012.7 1014.7 992.8 DAY 24 15 20 1 31 13 17 7 7 1 2 31 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1969 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 999.8 1001.2 995.6 995.1 989.9 984.2 979.9 982.8 988.8 994.5 1000.7 1001.8 992.9 MAX. QFE PRESSURE IN HPA 1007.7 1008.1 1002.7 1001.5 995.9 990.0 981.8 989.5 994.0 999.4 1006.3 1005.2 1008.1 DAY 31 3 24 14 16 3 2 29 29 31 24 17 MIN. QFE PRESSURE IN HPA 988.8 996.1 985.3 989.6 984.8 980.6 977.1 976.9 983.3 990.2 996.6 997.5 976.9 DAY 24 15 20 1 31 14 17 7 7 1 8 26 MEAN QNH PRESSURE IN HPA 1016.6 1018.1 1012.3 1011.9 1006.6 1000.8 996.4 999.4 1005.5 1011.2 1017.6 1018.6 1009.6 MAX. QNH PRESSURE IN HPA 1024.6 1025.0 1019.6 1018.3 1012.7 1006.7 998.4 1006.2 1010.7 1016.2 1023.2 1022.1 1025.0 DAY 31 3 24 14 16 3 2 29 29 31 24 17 MIN. QNH PRESSURE IN HPA 1005.5 1012.9 1001.9 1006.3 1001.4 997.1 993.6 993.4 999.9 1006.9 1013.4 1014.3 993.4 DAY 24 15 20 1 31 14 17 7 7 1 8 26 MEAN QFF PRESSURE IN HPA 1017.0 1018.4 1012.2 1011.7 1006.0 999.9 995.4 998.4 1004.8 1010.7 1017.7 1018.9 1009.3 MAX. QFF PRESSURE IN HPA 1025.4 1025.5 1019.8 1018.6 1011.9 1005.9 997.4 1005.4 1010.0 1016.1 1023.4 1022.3 1025.5 DAY 31 3 24 14 16 3 10 29 29 31 24 17 MIN. QFF PRESSURE IN HPA 1005.9 1013.2 1001.7 1006.0 1000.6 996.1 992.6 992.4 999.0 1005.9 1013.2 1014.5 992.4 DAY 24 15 20 1 31 12 17 7 7 1 8 26 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 1000.6 1002.0 996.3 996.2 991.0 985.1 980.8 984.0 990.0 995.5 1001.6 1002.7 993.8 MAX. QFE PRESSURE IN HPA 1008.2 1008.9 1004.2 1001.5 998.0 990.8 982.9 990.5 994.9 1000.9 1007.4 1006.1 1008.9 DAY 31 3 24 14 6 3 14 29 29 31 24 9 MIN. QFE PRESSURE IN HPA 990.8 996.8 988.0 989.9 985.0 981.1 977.9 977.4 984.9 990.9 997.8 997.2 977.4 DAY 24 15 19 1 31 13 17 7 7 1 8 26 MEAN QNH PRESSURE IN HPA 1017.4 1018.8 1013.1 1013.0 1007.7 1001.7 997.4 1000.6 1006.7 1012.3 1018.4 1019.6 1010.6 MAX. QNH PRESSURE IN HPA 1025.1 1025.8 1021.1 1018.3 1014.8 1007.5 999.5 1007.2 1011.6 1017.7 1024.3 1023.0 1025.8 DAY 31 3 24 14 6 3 14 29 29 31 24 9 MIN. QNH PRESSURE IN HPA 1007.5 1013.6 1004.6 1006.6 1001.6 997.7 994.4 993.9 1001.5 1007.6 1014.6 1014.0 993.9 DAY 24 15 19 1 31 13 17 7 7 1 8 26 MEAN QFF PRESSURE IN HPA 1017.8 1019.1 1013.0 1012.7 1007.0 1000.7 996.3 999.6 1005.8 1011.7 1018.5 1019.9 1010.2 MAX. QFF PRESSURE IN HPA 1025.9 1026.3 1021.2 1018.5 1014.3 1006.6 998.4 1006.2 1010.8 1017.5 1024.5 1023.4 1026.3 DAY 31 3 24 14 6 3 14 29 29 31 24 9 MIN. QFF PRESSURE IN HPA 1007.9 1014.0 1004.6 1006.1 1000.7 996.6 993.2 992.8 1000.5 1006.7 1014.5 1014.1 992.8 DAY 24 15 19 1 31 13 17 7 7 1 8 26 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 1000.6 1001.8 996.2 996.4 991.1 985.4 981.1 984.3 990.1 995.5 1001.4 1002.7 993.9 MAX. QFE PRESSURE IN HPA 1008.2 1008.6 1004.2 1002.3 996.9 989.7 983.2 991.0 994.9 1001.1 1007.2 1006.0 1008.6 DAY 31 3 24 18 16 3 14 27 29 31 24 9 MIN. QFE PRESSURE IN HPA 991.0 996.8 987.7 989.4 985.0 981.2 978.3 977.7 984.9 990.2 995.5 997.7 977.7 DAY 22 14 19 1 31 13 17 7 7 19 7 26 MEAN QNH PRESSURE IN HPA 1017.5 1018.7 1013.0 1013.2 1007.8 1002.1 997.6 1000.9 1006.8 1012.3 1018.3 1019.6 1010.6 MAX. QNH PRESSURE IN HPA 1025.1 1025.5 1021.1 1019.1 1013.7 1006.4 999.8 1007.7 1011.6 1017.9 1024.1 1022.9 1025.5 DAY 31 3 24 18 16 3 14 27 29 31 24 9 MIN. QNH PRESSURE IN HPA 1007.7 1013.6 1004.3 1006.1 1001.6 997.8 994.8 994.2 1001.5 1006.9 1012.3 1014.5 994.2 DAY 22 14 19 1 31 13 17 7 7 19 7 26 MEAN QFF PRESSURE IN HPA 1017.8 1018.9 1012.8 1013.0 1007.1 1001.0 996.5 999.8 1005.9 1011.6 1018.2 1019.7 1010.2 MAX. QFF PRESSURE IN HPA 1025.8 1026.0 1021.2 1019.1 1012.9 1005.5 998.7 1006.8 1010.8 1017.7 1024.1 1023.1 1026.0 DAY 31 3 24 18 16 3 14 27 29 31 24 9 MIN. QFF PRESSURE IN HPA 1007.7 1013.8 1004.1 1005.6 1000.8 996.8 993.7 993.2 1000.4 1006.1 1012.0 1014.6 993.2 DAY 22 14 19 1 31 13 17 7 7 19 7 26 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1970 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 11.5 15.2 18.2 26.0 31.9 36.0 36.4 34.8 30.7 25.5 20.4 12.1 24.9 MINIMUN AIR TEMPERATURE (C) 7.6 9.0 11.5 17.6 22.5 25.1 26.8 24.9 20.3 16.1 13.5 6.8 16.8 DAYS WITH MINIMUM TEMP. >=21 0 0 0 4 23 28 31 30 12 2 0 0 130 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS LOWEST(C) 3.0 5.0 8.0 13.0 15.0 20.0 23.0 20.0 18.0 12.0 9.0 1.0 1.0 DAY 30 2 8 1 8 2 3 28 14 17 26 17 MAXIMUM AIR TEMPERATURE (C) 16.9 22.1 24.8 33.6 39.9 44.5 44.7 43.3 40.4 34.8 28.9 19.1 32.7 DAYS WITH MAXIMUM TEMP. >=30 0 0 1 26 31 30 31 31 30 31 14 0 225 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 24.0 26.0 32.0 39.0 45.0 48.0 49.0 47.0 43.0 41.0 35.0 26.0 49.0 DAY 5 16 31 17 22 5 31 29 2 1 1 6 DIF. BETWEEN (MAX.-MIN.) (C) 9.3 13.1 13.3 16.0 17.4 19.4 17.9 18.4 20.1 18.7 15.4 12.3 15.9 MEAN DAILY TEMP. (MDT) (C) 12.2 15.6 18.2 25.6 31.2 34.8 35.8 34.1 30.3 25.5 21.2 13.0 24.8 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 1.0 138.5 316.0 413.5 458.0 406.0 280.5 138.5 26.0 0.0 2178.0 HEATING DEG. DAYS(BASE 18 0C) 179.0 69.0 18.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 2.5 160.0 429.0 DEWPOINT (MEAN C) 7.3 7.3 7.0 6.2 4.8 6.0 9.0 10.0 7.5 2.7 5.2 6.1 6.6 MIXING RATIO (G/KG) 6.52 6.62 6.59 6.31 5.79 6.14 7.53 8.02 6.81 4.91 5.79 6.03 6.42 VAPOUR PRESSURE (HPA) 10.40 10.54 10.45 9.98 9.12 9.60 11.73 12.50 10.68 7.79 9.23 9.64 10.14 SATURATION DEF. (HPA) 3.48 7.43 11.27 25.37 41.22 53.34 51.85 46.11 36.39 27.31 15.98 5.18 27.08 RELATIVE HUMIDITY (MEAN %) 78 64 54 32 21 17 20 23 25 26 40 70 39 RELATIVE HUMIDITY (MAX. %) 93 87 79 55 38 29 32 35 36 40 57 90 56 RELATIVE HUMIDITY (MIN. %) 56 34 30 16 11 10 12 16 16 15 25 44 24 RELATIVE HUMIDITY (MEAN% 03UTC) 90 83 73 49 34 27 31 33 33 36 53 88 53 RELATIVE HUMIDITY (MEAN% 09UTC) 61 43 37 19 14 12 16 18 18 17 29 52 28 RELATIVE HUMIDITY (MEAN% 15UTC) 72 49 39 22 13 13 14 19 21 21 36 58 31 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 137.0 27.0 28.0 9.3 4.0 0.0 0.0 0.0 0.0 2.0 18.2 61.2 286.7 DAYS WITH PRECIPITATION >=10 5 1 1 0 0 0 0 0 0 0 1 2 10 DAYS WITH PRECIPITATION >= 5 6 2 2 1 0 0 0 0 0 0 1 4 16 DAYS WITH PRECIPITATION >= 1 10 4 4 1 1 0 0 0 0 1 1 4 26 DAYS WITH PRECIPITATION 10 4 4 3 1 0 0 0 0 1 2 5 30 GREATEST DAILY PRECIPITATION 31.0 17.0 18.0 9.0 4.0 0.0 0.0 0.0 0.0 2.0 18.0 26.0 31.0 DAY 22 6 11 29 6 ** ** ** ** 14 28 12 DAY WITH THUNDER STORM 2 0 2 4 2 0 0 0 0 2 1 1 14 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 4 9 7 15 19 23 27 14 17 13 4 3 155 WIND DIRECTION (PREVAILING) 135 135 225 225 315 225 225 225 225 225 225 225 225 PREVAILING WIND SPEED(KNOTS) 9.8 7.9 8.5 9.8 15.9 9.5 10.6 11.4 7.6 7.6 7.6 9.6 9.7 PREVAILING WIND PERCENT 11.3 8.9 9.7 13.4 19.0 21.8 25.8 19.0 15.8 14.5 7.9 8.5 13.2 CALMS PERCENT OF WIND 58.5 65.2 47.2 42.4 32.8 35.7 33.1 47.4 61.7 60.5 70.0 68.4 51.8 NO. OF WIND OBSERVATION 248 224 248 238 247 238 248 247 240 248 240 247 2913 VECTOR WIND DIRECTION (MEAN) 97 78 54 172 291 267 210 218 211 248 108 150 225 VECTOR WIND MAGNITUDE(KNOTS) 1.7 0.7 0.8 1.5 4.1 3.3 3.8 3.2 2.0 1.7 0.7 1.3 1.1 WIND STEADINESES (MEAN %) 40.5 22.6 13.3 22.4 44.6 48.5 60.3 61.5 66.7 44.7 23.3 43.3 22.0 WIND SPEED (MEAN KNOTS) 4.2 3.1 6.0 6.7 9.2 6.8 6.3 5.2 3.0 3.8 3.0 3.0 5.0 FASTEST WIND DIRECTION 120 110 90 120 60 330 240 220 270 270 110 70 120 FASTEST WIND SPEED (KNOTS) 30 22 35 40 35 25 30 25 22 26 25 25 40 DAY 6 22 3 29 10 3 21 15 16 1 8 11 DAYS WITH SKY CLEAR (0-2)/8 7 15 16 12 26 30 31 31 30 29 11 19 257 DAYS WITH P.CLOUDY (3-6)/8 11 9 8 15 4 0 0 0 0 2 11 8 68 DAYS WITH CLOUDY (7-8)/8 13 4 7 3 1 0 0 0 0 0 8 4 40 DAYS WITH VISIBILITY =< 2 KM 4 3 5 2 3 10 8 2 4 3 0 2 46 DURATION OF SUNSHINE HOURS 116.9 193.8 219.5 239.5 331.2 347.5 343.0 352.5 312.6 284.5 160.9 155.7 3057.6 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1970 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1002.4 1001.0 997.8 995.1 990.4 983.3 981.1 982.2 987.3 995.7 1001.1 1003.7 993.4 MAX. QFE PRESSURE IN HPA 1008.9 1008.1 1003.7 1000.1 996.6 988.7 986.1 987.0 995.9 1003.7 1005.7 1012.6 1012.6 DAY-HOUR 3- 6 3- 6 25- 9 21- 6 8- 6 21- 6 25- 6 30- 6 23- 6 31- 6 29- 6 31- 6 MIN. QFE PRESSURE IN HPA 992.9 994.1 990.4 984.2 983.5 977.9 976.3 978.7 981.4 988.1 997.0 995.8 976.3 DAY-HOUR 22-12 23-12 6-15 19- 6 30-15 29-15 16-15 15-15 1-12 5-15 23- 0 12-12 MEAN QNH PRESSURE IN HPA 1019.2 1017.8 1014.6 1011.8 1007.1 999.9 997.6 998.7 1003.9 1012.4 1017.9 1020.6 1010.1 MAX. QNH PRESSURE IN HPA 1025.8 1025.0 1020.6 1016.9 1013.4 1005.4 1002.7 1003.6 1012.7 1020.6 1022.6 1029.6 1029.6 DAY-HOUR 3- 6 3- 6 25- 9 21- 6 8- 6 21- 6 25- 6 30- 6 23- 6 31- 6 29- 6 31- 6 MIN. QNH PRESSURE IN HPA 1009.6 1010.8 1007.1 1000.8 1000.1 994.4 992.8 995.2 998.0 1004.7 1013.8 1012.6 992.8 DAY-HOUR 22-12 23-12 6-15 19- 6 30-15 29-15 16-15 15-15 1-12 5-15 23- 0 12-12 MEAN QFF PRESSURE IN HPA 1019.6 1018.0 1014.6 1011.3 1006.3 998.8 996.6 997.8 1003.2 1012.0 1017.7 1021.0 1009.7 MAX. QFF PRESSURE IN HPA 1026.3 1025.3 1020.6 1016.7 1012.8 1004.3 1001.7 1002.6 1012.0 1020.3 1022.6 1030.1 1030.1 DAY-HOUR 3- 6 3- 6 25- 9 21- 6 8- 6 21- 6 25- 6 30- 6 23- 6 31- 6 29- 6 15-18 MIN. QFF PRESSURE IN HPA 1009.9 1011.0 1006.9 1000.1 999.1 993.3 991.7 994.2 997.1 1004.3 1013.5 1012.7 991.7 DAY-HOUR 22-12 23-12 6-15 19- 6 30-15 29-15 16-15 15-15 1-12 5-15 23- 0 12-12 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 1002.2 1000.8 997.7 994.9 990.0 983.0 980.6 981.8 986.7 995.2 1000.9 1003.5 993.1 MAX. QFE PRESSURE IN HPA 1006.6 1005.6 1002.1 999.4 995.4 986.9 984.4 985.0 993.0 1001.5 1003.4 1011.1 1011.1 DAY 3 3 26 26 8 21 26 30 23 30 30 16 MIN. QFE PRESSURE IN HPA 994.5 994.7 991.4 985.1 984.4 979.7 976.7 979.8 982.0 988.7 997.0 997.8 976.7 DAY 22 23 7 19 31 29 17 7 1 6 23 12 MEAN QNH PRESSURE IN HPA 1019.0 1017.6 1014.5 1011.7 1006.7 999.6 997.1 998.4 1003.3 1011.9 1017.7 1020.4 1009.8 MAX. QNH PRESSURE IN HPA 1023.5 1022.5 1018.9 1016.2 1012.1 1003.5 1001.0 1001.6 1009.7 1018.3 1020.3 1028.1 1028.1 DAY 3 3 26 26 8 21 26 30 23 30 30 16 MIN. QNH PRESSURE IN HPA 1011.2 1011.4 1008.1 1001.7 1001.0 996.2 993.2 996.3 998.6 1005.4 1013.8 1014.6 993.2 DAY 22 23 7 19 31 29 17 7 1 6 23 12 MEAN QFF PRESSURE IN HPA 1019.3 1017.7 1014.4 1011.2 1005.9 998.6 996.0 997.4 1002.5 1011.4 1017.5 1020.7 1009.4 MAX. QFF PRESSURE IN HPA 1023.9 1022.8 1019.0 1015.9 1011.8 1002.5 1000.1 1000.6 1009.0 1018.0 1020.4 1028.7 1028.7 DAY 3 3 26 26 8 21 26 30 23 30 30 16 MIN. QFF PRESSURE IN HPA 1011.4 1011.7 1008.0 1000.9 1000.1 995.2 992.0 995.3 997.7 1004.7 1013.5 1014.7 992.0 DAY 22 23 7 19 31 29 17 12 1 6 23 12 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1002.2 1001.0 997.8 995.3 990.9 983.7 981.4 982.4 987.4 995.8 1001.2 1003.6 993.6 MAX. QFE PRESSURE IN HPA 1007.5 1006.2 1002.6 999.4 995.9 987.9 985.3 985.8 994.2 1001.9 1004.2 1011.3 1011.3 DAY 3 3 26 26 8 21 26 30 23 31 29 16 MIN. QFE PRESSURE IN HPA 993.8 995.0 992.4 985.0 985.3 980.0 978.0 980.1 982.6 989.3 997.2 996.8 978.0 DAY 22 23 7 19 31 29 17 7 1 5 23 13 MEAN QNH PRESSURE IN HPA 1019.1 1017.8 1014.6 1012.1 1007.6 1000.3 998.0 999.0 1004.1 1012.6 1018.0 1020.4 1010.3 MAX. QNH PRESSURE IN HPA 1024.4 1023.1 1019.5 1016.2 1012.7 1004.5 1001.9 1002.4 1010.9 1018.7 1021.1 1028.3 1028.3 DAY 3 3 26 26 8 21 26 30 23 31 29 16 MIN. QNH PRESSURE IN HPA 1010.5 1011.7 1009.1 1001.6 1001.9 996.5 994.5 996.6 999.2 1006.0 1014.0 1013.6 994.5 DAY 22 23 7 19 31 29 17 7 1 5 23 13 MEAN QFF PRESSURE IN HPA 1019.5 1018.0 1014.6 1011.7 1006.9 999.3 997.0 998.1 1003.5 1012.2 1018.0 1020.8 1010.0 MAX. QFF PRESSURE IN HPA 1024.9 1023.4 1019.6 1016.0 1012.4 1003.7 1001.0 1001.5 1010.3 1018.6 1021.2 1029.0 1029.0 DAY 3 3 26 21 8 21 26 30 23 31 29 16 MIN. QFF PRESSURE IN HPA 1010.7 1012.1 1009.0 1000.9 1001.1 995.4 993.5 995.7 998.4 1005.5 1013.9 1013.7 993.5 DAY 22 23 7 19 31 29 17 7 1 5 23 13 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1970 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1003.5 1002.3 998.9 996.5 991.8 984.4 982.3 983.4 988.6 997.2 1002.6 1005.0 994.7 MAX. QFE PRESSURE IN HPA 1008.9 1008.1 1003.5 1000.1 996.6 988.7 986.1 987.0 995.9 1003.7 1005.7 1012.6 1012.6 DAY 3 3 25 21 8 21 25 30 23 31 29 31 MIN. QFE PRESSURE IN HPA 994.2 995.9 992.3 984.2 986.3 980.8 978.9 981.2 983.5 990.5 999.2 998.2 978.9 DAY 22 23 19 19 31 29 17 20 1 5 23 13 MEAN QNH PRESSURE IN HPA 1020.3 1019.1 1015.7 1013.2 1008.5 1001.0 998.9 1000.0 1005.3 1014.0 1019.5 1021.8 1011.4 MAX. QNH PRESSURE IN HPA 1025.8 1025.0 1020.4 1016.9 1013.4 1005.4 1002.7 1003.6 1012.7 1020.6 1022.6 1029.6 1029.6 DAY 3 3 25 21 8 21 25 30 23 31 29 31 MIN. QNH PRESSURE IN HPA 1010.9 1012.7 1009.0 1000.8 1002.9 997.3 995.4 997.8 1000.1 1007.2 1016.0 1015.0 995.4 DAY 22 23 19 19 31 29 17 20 1 5 23 13 MEAN QFF PRESSURE IN HPA 1020.8 1019.3 1015.7 1012.8 1007.7 1000.0 997.8 998.9 1004.5 1013.6 1019.4 1022.3 1011.1 MAX. QFF PRESSURE IN HPA 1026.3 1025.3 1020.5 1016.7 1012.8 1004.3 1001.7 1002.6 1012.0 1020.3 1022.6 1030.0 1030.0 DAY 3 3 25 21 8 21 25 30 23 31 29 16 MIN. QFF PRESSURE IN HPA 1011.1 1012.9 1008.8 1000.1 1002.0 996.2 994.2 996.7 999.2 1006.6 1016.0 1015.2 994.2 DAY 22 23 19 19 26 29 17 20 1 5 23 13 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1003.0 1001.9 998.8 995.9 991.3 984.1 982.0 983.0 988.1 996.4 1001.7 1004.2 994.2 MAX. QFE PRESSURE IN HPA 1007.7 1007.6 1003.7 999.9 995.9 987.5 985.6 986.0 994.7 1002.8 1004.8 1011.7 1011.7 DAY 3 4 25 5 12 21 25 30 23 31 29 31 MIN. QFE PRESSURE IN HPA 994.0 995.2 992.5 984.5 985.7 981.0 978.3 980.6 982.9 990.0 998.4 997.5 978.3 DAY 22 23 6 19 30 29 16 20 1 5 23 12 MEAN QNH PRESSURE IN HPA 1019.8 1018.7 1015.6 1012.6 1008.0 1000.7 998.5 999.6 1004.8 1013.2 1018.5 1021.0 1010.9 MAX. QNH PRESSURE IN HPA 1024.6 1024.5 1020.6 1016.7 1012.7 1004.1 1002.2 1002.6 1011.4 1019.7 1021.7 1028.7 1028.7 DAY 3 4 25 5 12 21 25 30 23 31 29 31 MIN. QNH PRESSURE IN HPA 1010.7 1011.9 1009.2 1001.1 1002.3 997.6 994.8 997.1 999.5 1006.7 1015.2 1014.3 994.8 DAY 22 23 6 19 30 29 16 20 1 5 23 12 MEAN QFF PRESSURE IN HPA 1020.2 1018.8 1015.5 1012.1 1007.2 999.7 997.4 998.5 1004.2 1012.7 1018.3 1021.3 1010.5 MAX. QFF PRESSURE IN HPA 1025.0 1024.8 1020.6 1016.4 1012.1 1003.0 1001.2 1001.5 1010.6 1019.3 1021.6 1028.9 1028.9 DAY 3 4 25 21 8 21 25 30 23 31 29 31 MIN. QFF PRESSURE IN HPA 1010.9 1012.1 1009.0 1000.5 1001.3 996.5 993.6 996.1 999.3 1006.0 1015.0 1014.4 993.6 DAY 22 23 6 19 30 29 16 20 10 5 23 12 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 1001.7 1000.2 996.9 994.1 989.8 982.9 980.7 981.7 986.5 994.8 1000.1 1002.8 992.7 MAX. QFE PRESSURE IN HPA 1005.9 1005.3 1002.0 998.2 995.5 986.7 984.2 984.1 992.9 1001.5 1003.5 1010.6 1010.6 DAY 2 3 25 21 1 21 26 4 23 31 29 31 MIN. QFE PRESSURE IN HPA 992.9 994.1 990.5 984.9 984.5 979.1 977.0 979.3 981.4 988.5 997.3 995.8 977.0 DAY 22 23 6 19 30 29 16 20 1 5 23 12 MEAN QNH PRESSURE IN HPA 1018.5 1017.0 1013.7 1010.9 1006.5 999.4 997.3 998.3 1003.2 1011.5 1016.9 1019.7 1009.4 MAX. QNH PRESSURE IN HPA 1022.8 1022.2 1018.8 1015.0 1012.3 1003.3 1000.8 1000.7 1009.6 1018.3 1020.4 1027.6 1027.6 DAY 2 3 25 21 1 21 26 4 23 31 29 31 MIN. QNH PRESSURE IN HPA 1009.6 1010.8 1007.2 1001.5 1001.1 995.6 993.5 995.8 998.0 1005.2 1014.1 1012.6 993.5 DAY 22 23 6 19 30 29 16 20 1 5 23 12 MEAN QFF PRESSURE IN HPA 1018.9 1017.1 1013.6 1010.4 1005.7 998.4 996.2 997.3 1002.4 1011.0 1016.7 1020.0 1009.0 MAX. QFF PRESSURE IN HPA 1023.1 1022.4 1018.9 1014.8 1011.8 1002.3 999.9 999.7 1008.9 1018.0 1020.3 1027.9 1027.9 DAY 3 3 25 21 1 21 26 4 23 31 29 31 MIN. QFF PRESSURE IN HPA 1009.9 1011.0 1007.0 1000.9 1000.1 994.6 992.4 994.8 997.1 1004.6 1013.9 1012.7 992.4 DAY 22 23 6 19 30 29 16 20 1 5 23 12 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1970 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1001.9 1000.1 996.7 993.6 989.1 982.1 979.9 981.1 986.2 994.6 1000.2 1003.0 992.4 MAX. QFE PRESSURE IN HPA 1005.9 1005.1 1001.6 999.2 994.3 985.6 983.8 983.5 992.5 1001.3 1003.5 1011.2 1011.2 DAY 3 3 25 8 1 21 26 29 23 29 29 15 MIN. QFE PRESSURE IN HPA 995.2 994.7 990.4 985.6 983.5 977.9 976.3 978.7 981.4 988.1 997.5 996.0 976.3 DAY 22 23 6 18 30 29 16 15 1 5 23 12 MEAN QNH PRESSURE IN HPA 1018.7 1016.9 1013.5 1010.3 1005.8 998.7 996.4 997.6 1002.8 1011.3 1017.0 1019.9 1009.1 MAX. QNH PRESSURE IN HPA 1022.8 1022.0 1018.4 1016.0 1011.0 1002.2 1000.4 1000.1 1009.2 1018.1 1020.4 1028.2 1028.2 DAY 3 3 25 8 1 21 26 29 23 29 29 15 MIN. QNH PRESSURE IN HPA 1011.9 1011.4 1007.1 1002.2 1000.1 994.4 992.8 995.2 998.0 1004.7 1014.3 1012.8 992.8 DAY 22 23 6 18 30 29 16 15 1 5 23 12 MEAN QFF PRESSURE IN HPA 1019.1 1017.1 1013.5 1009.9 1005.0 997.7 995.4 996.7 1002.1 1011.0 1016.9 1020.3 1008.7 MAX. QFF PRESSURE IN HPA 1023.3 1022.2 1018.5 1015.6 1010.7 1001.3 999.5 999.2 1008.6 1017.9 1020.4 1029.0 1029.0 DAY 3 3 25 8 1 21 26 28 23 31 29 15 MIN. QFF PRESSURE IN HPA 1012.3 1011.7 1006.9 1001.6 999.1 993.3 991.7 994.2 997.2 1004.3 1014.2 1012.9 991.7 DAY 22 22 6 18 30 29 16 15 1 5 23 12 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 1002.6 1000.9 997.9 995.0 990.2 982.9 980.8 982.2 987.3 995.8 1001.1 1004.1 993.4 MAX. QFE PRESSURE IN HPA 1006.5 1005.5 1002.4 999.9 994.8 986.4 985.0 985.6 993.6 1002.2 1003.9 1012.3 1012.3 DAY 1 3 25 21 8 21 26 29 22 29 18 15 MIN. QFE PRESSURE IN HPA 995.6 995.4 990.9 986.3 984.7 979.0 976.5 979.9 982.4 988.8 997.6 998.8 976.5 DAY 11 22 6 18 30 29 16 6 1 5 22 12 MEAN QNH PRESSURE IN HPA 1019.4 1017.7 1014.7 1011.7 1006.9 999.5 997.4 998.7 1003.9 1012.5 1017.9 1021.0 1010.1 MAX. QNH PRESSURE IN HPA 1023.4 1022.4 1019.2 1016.7 1011.5 1003.0 1001.6 1002.2 1010.3 1019.0 1020.8 1029.3 1029.3 DAY 1 3 25 21 8 21 26 29 22 29 18 15 MIN. QNH PRESSURE IN HPA 1012.4 1012.1 1007.6 1002.9 1001.3 995.5 993.0 996.4 999.0 1005.5 1014.4 1015.6 993.0 DAY 11 22 6 18 30 29 16 6 1 5 22 12 MEAN QFF PRESSURE IN HPA 1019.9 1017.9 1014.7 1011.3 1006.1 998.4 996.3 997.7 1003.2 1012.1 1017.8 1021.4 1009.7 MAX. QFF PRESSURE IN HPA 1024.1 1022.7 1019.4 1016.5 1011.1 1002.0 1000.6 1001.0 1009.6 1018.9 1020.9 1030.1 1030.1 DAY 30 3 25 21 8 21 26 29 22 29 18 15 MIN. QFF PRESSURE IN HPA 1012.7 1012.3 1007.5 1002.2 1000.4 994.3 991.8 995.4 998.2 1004.9 1014.3 1015.8 991.8 DAY 11 22 6 18 30 29 16 6 1 5 22 12 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 1002.3 1001.0 998.0 995.4 990.3 983.3 981.0 982.2 987.3 995.8 1000.9 1003.9 993.5 MAX. QFE PRESSURE IN HPA 1006.7 1006.1 1002.3 999.4 995.0 988.1 985.1 986.2 993.5 1002.1 1003.7 1011.8 1011.8 DAY 30 3 25 25 7 20 25 29 22 29 29 15 MIN. QFE PRESSURE IN HPA 994.2 995.3 991.6 986.7 984.4 979.7 976.7 979.8 982.5 988.7 997.5 998.8 976.7 DAY 21 22 6 18 30 29 16 20 1 5 22 12 MEAN QNH PRESSURE IN HPA 1019.2 1017.9 1014.8 1012.1 1007.0 999.9 997.5 998.7 1003.9 1012.6 1017.7 1020.8 1010.2 MAX. QNH PRESSURE IN HPA 1023.6 1023.0 1019.1 1016.2 1011.7 1004.7 1001.7 1002.8 1010.2 1018.9 1020.6 1028.8 1028.8 DAY 30 3 25 25 7 20 25 29 22 29 29 15 MIN. QNH PRESSURE IN HPA 1010.9 1012.0 1008.3 1003.3 1001.0 996.2 993.2 996.3 999.1 1005.4 1014.3 1015.6 993.2 DAY 21 22 6 18 30 29 16 20 1 5 22 12 MEAN QFF PRESSURE IN HPA 1019.5 1018.0 1014.7 1011.6 1006.2 998.8 996.4 997.7 1003.1 1012.1 1017.5 1021.1 1009.7 MAX. QFF PRESSURE IN HPA 1024.1 1023.3 1019.2 1015.9 1011.3 1003.7 1000.7 1001.7 1009.5 1018.5 1020.5 1029.5 1029.5 DAY 30 3 25 20 7 20 25 29 22 29 29 15 MIN. QFF PRESSURE IN HPA 1011.1 1012.3 1008.2 1002.5 1000.0 995.1 992.0 995.3 998.3 1004.7 1014.0 1015.8 992.0 DAY 21 22 6 18 30 29 16 20 1 5 22 12 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1971 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 12.4 13.5 18.7 21.5 31.6 33.7 36.7 34.9 32.0 24.8 18.3 11.9 24.2 MINIMUN AIR TEMPERATURE (C) 6.2 7.6 12.1 15.3 23.7 23.7 27.3 25.9 21.9 15.0 13.0 7.5 16.6 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 27 28 31 31 20 1 0 0 138 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 0 0 0 0 0 0 0 0 0 0 0 1 1 TEMPERATURE RECORDS LOWEST(C) 2.0 1.0 6.0 9.0 19.0 20.0 24.0 21.0 17.0 11.0 8.0 0.0 0.0 DAY 20 1 16 19 1 4 1 31 25 22 15 22 MAXIMUM AIR TEMPERATURE (C) 20.4 19.9 25.4 27.8 38.6 41.7 45.2 43.4 41.5 34.4 24.7 17.8 31.7 DAYS WITH MAXIMUM TEMP. >=30 0 0 2 7 31 30 31 31 30 30 5 0 197 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 28.0 28.0 30.0 36.0 43.0 45.0 51.0 47.0 46.0 39.0 33.0 25.0 51.0 DAY 3 22 6 28 31 20 12 22 9 11 1 2 DIF. BETWEEN (MAX.-MIN.) (C) 14.2 12.3 13.3 12.5 14.9 18.0 17.9 17.5 19.6 19.4 11.7 10.3 15.1 MEAN DAILY TEMP. (MDT) (C) 13.3 13.8 18.8 21.6 31.2 32.7 36.2 34.6 31.7 24.7 18.8 12.6 24.2 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 5.5 44.5 315.0 351.0 472.5 423.0 321.0 114.5 8.0 0.0 2055.0 HEATING DEG. DAYS(BASE 18 0C) 146.5 123.5 18.0 4.0 0.0 0.0 0.0 0.0 0.0 0.0 16.0 169.0 477.0 DEWPOINT (MEAN C) 4.0 4.3 6.2 10.6 8.2 6.5 7.9 9.1 7.6 5.9 11.3 6.5 7.3 MIXING RATIO (G/KG) 5.24 5.42 6.28 8.35 7.13 6.47 7.05 7.64 6.87 6.17 8.70 6.27 6.80 VAPOUR PRESSURE (HPA) 8.38 8.62 9.98 13.16 11.21 10.12 10.98 11.92 10.81 9.78 13.81 9.99 10.73 SATURATION DEF. (HPA) 6.81 7.64 12.51 13.66 36.95 44.70 53.61 46.75 39.81 23.77 7.96 4.67 24.90 RELATIVE HUMIDITY (MEAN %) 62 59 49 55 26 21 19 23 24 33 69 73 43 RELATIVE HUMIDITY (MAX. %) 85 83 72 81 44 36 32 36 39 53 85 90 61 RELATIVE HUMIDITY (MIN. %) 34 34 29 32 14 12 10 13 14 17 46 48 25 RELATIVE HUMIDITY (MEAN% 03UTC) 76 79 66 77 41 34 32 34 36 46 82 86 57 RELATIVE HUMIDITY (MEAN% 09UTC) 42 42 36 38 18 15 14 16 16 20 54 53 30 RELATIVE HUMIDITY (MEAN% 15UTC) 49 43 34 39 17 14 12 15 19 28 64 66 33 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 7.6 40.2 77.0 124.2 9.0 0.0 0.0 0.0 0.0 0.0 107.4 75.0 440.4 DAYS WITH PRECIPITATION >=10 0 1 3 3 0 0 0 0 0 0 2 3 12 DAYS WITH PRECIPITATION >= 5 0 2 3 4 1 0 0 0 0 0 6 6 22 DAYS WITH PRECIPITATION >= 1 4 4 4 7 2 0 0 0 0 0 9 9 39 DAYS WITH PRECIPITATION 5 6 4 8 2 0 0 0 0 0 11 9 45 GREATEST DAILY PRECIPITATION 3.0 32.0 31.0 41.0 7.0 0.0 0.0 0.0 0.0 0.0 45.0 27.0 45.0 DAY 22 13 29 2 8 ** ** ** ** ** 18 13 DAY WITH THUNDER STORM 0 0 2 7 3 0 0 0 0 4 6 3 25 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 1 6 16 9 20 29 26 23 12 13 3 4 162 WIND DIRECTION (PREVAILING) 225 90 90 90 315 225 225 225 225 225 135 135 225 PREVAILING WIND SPEED(KNOTS) 9.6 12.8 15.5 15.5 11.8 10.2 9.8 10.8 8.9 9.0 11.0 15.1 10.1 PREVAILING WIND PERCENT 5.6 11.2 14.9 8.3 16.5 22.1 20.2 19.0 17.6 10.9 8.8 8.9 11.6 CALMS PERCENT OF WIND 69.4 53.6 45.2 50.0 33.9 47.5 58.9 54.0 56.5 70.6 62.5 64.1 55.5 NO. OF WIND OBSERVATION 248 224 248 240 248 240 248 248 239 248 240 248 2919 VECTOR WIND DIRECTION (MEAN) 208 102 107 139 294 227 208 207 208 246 119 122 184 VECTOR WIND MAGNITUDE(KNOTS) 0.4 1.7 3.0 1.5 2.6 3.0 2.7 2.8 2.3 1.0 1.6 1.9 1.1 WIND STEADINESES (MEAN %) 14.3 34.0 46.2 23.8 34.2 57.7 65.9 58.3 56.1 29.4 38.1 36.5 22.4 WIND SPEED (MEAN KNOTS) 2.8 5.0 6.5 6.3 7.6 5.2 4.1 4.8 4.1 3.4 4.2 5.2 4.9 FASTEST WIND DIRECTION 330 90 120 310 360 330 230 210 270 330 90 150 120 FASTEST WIND SPEED (KNOTS) 20 25 40 40 32 30 25 25 30 30 30 40 40 DAY 17 13 12 1 26 22 21 16 30 26 7 7 DAYS WITH SKY CLEAR (0-2)/8 18 12 12 14 14 29 30 30 30 28 5 10 232 DAYS WITH P.CLOUDY (3-6)/8 6 10 10 9 12 0 1 1 0 2 17 10 78 DAYS WITH CLOUDY (7-8)/8 7 6 9 7 5 0 0 0 0 1 8 11 54 DAYS WITH VISIBILITY =< 2 KM 0 6 3 3 2 6 4 5 0 4 1 5 39 DURATION OF SUNSHINE HOURS 163.2 155.4 175.9 236.2 277.9 313.1 319.5 332.3 311.2 272.4 131.0 56.1 2744.2 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1971 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1002.8 999.5 999.6 995.0 989.8 983.0 980.7 982.7 989.6 997.2 1002.0 1002.7 993.7 MAX. QFE PRESSURE IN HPA 1011.1 1011.3 1009.5 1002.7 995.5 987.7 985.5 988.6 997.1 1002.8 1011.8 1012.3 1012.3 DAY-HOUR 1- 6 16- 6 16- 6 3- 6 4- 9 2- 6 6- 9 24- 6 23- 6 31- 6 20- 6 31-21 MIN. QFE PRESSURE IN HPA 994.0 983.9 991.9 983.8 985.0 978.6 976.6 976.2 983.3 990.2 995.6 995.0 976.2 DAY-HOUR 13-12 13-12 20- 3 24-12 26-15 24-15 12-15 9-15 1- 0 1- 0 6-15 19-12 MEAN QNH PRESSURE IN HPA 1019.7 1016.3 1016.4 1011.8 1006.5 999.6 997.2 999.2 1006.2 1014.0 1018.8 1019.6 1010.4 MAX. QNH PRESSURE IN HPA 1028.1 1028.3 1026.4 1019.6 1012.3 1004.3 1002.1 1005.3 1013.9 1019.7 1028.8 1029.3 1029.3 DAY-HOUR 1- 6 16- 6 16- 6 3- 6 4- 9 2- 6 6- 9 24- 6 23- 6 31- 6 20- 6 31-21 MIN. QNH PRESSURE IN HPA 1010.7 1000.5 1008.6 1000.4 1001.6 995.1 993.1 992.7 999.9 1006.9 1012.4 1011.7 992.7 DAY-HOUR 13-12 13-12 20- 3 24-12 26-15 24-15 12-15 9-15 1- 0 1- 0 6-15 19-12 MEAN QFF PRESSURE IN HPA 1020.0 1016.6 1016.4 1011.5 1005.7 998.7 996.1 998.3 1005.4 1013.6 1018.8 1020.0 1010.1 MAX. QFF PRESSURE IN HPA 1028.6 1028.9 1026.9 1019.6 1011.6 1003.5 1001.0 1004.4 1013.2 1019.4 1028.9 1030.0 1030.0 DAY-HOUR 1- 6 16- 6 16- 6 3- 6 4- 9 2- 6 6- 9 24- 6 23- 6 31- 6 20- 6 31-21 MIN. QFF PRESSURE IN HPA 1010.9 1000.8 1008.3 999.8 1000.7 994.3 991.9 991.7 999.0 1006.3 1012.3 1012.1 991.7 DAY-HOUR 13-12 13-12 20- 3 24-12 31-15 24-15 12-15 9-15 1- 0 1- 0 6-15 19-12 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 1002.9 999.5 999.2 994.9 989.5 982.7 980.4 982.4 989.1 996.9 1001.8 1002.7 993.5 MAX. QFE PRESSURE IN HPA 1010.4 1008.0 1007.8 1001.2 993.7 986.4 983.7 986.0 994.9 1000.9 1009.4 1010.0 1010.4 DAY 1 16 16 19 8 2 26 22 24 31 20 31 MIN. QFE PRESSURE IN HPA 997.6 989.8 993.4 986.4 985.1 979.1 977.6 977.4 983.3 990.2 996.6 997.6 977.4 DAY 22 13 20 13 28 25 13 9 1 1 7 7 MEAN QNH PRESSURE IN HPA 1019.7 1016.3 1016.0 1011.6 1006.2 999.3 996.9 998.9 1005.8 1013.6 1018.6 1019.5 1010.2 MAX. QNH PRESSURE IN HPA 1027.4 1024.9 1024.7 1018.0 1010.4 1003.0 1000.3 1002.6 1011.6 1017.7 1026.3 1027.0 1027.4 DAY 1 16 16 19 8 2 26 22 24 31 20 31 MIN. QNH PRESSURE IN HPA 1014.4 1006.5 1010.1 1003.0 1001.7 995.6 994.1 993.9 999.9 1006.9 1013.4 1014.4 993.9 DAY 22 13 20 13 28 25 13 9 1 1 7 7 MEAN QFF PRESSURE IN HPA 1020.0 1016.5 1015.9 1011.4 1005.4 998.4 995.9 997.9 1004.9 1013.2 1018.5 1019.9 1009.8 MAX. QFF PRESSURE IN HPA 1027.7 1025.5 1025.2 1018.0 1009.8 1002.1 999.2 1001.7 1010.9 1017.4 1026.4 1027.7 1027.7 DAY 1 16 16 19 8 3 26 24 24 31 20 31 MIN. QFF PRESSURE IN HPA 1014.5 1006.6 1009.8 1002.6 1000.8 994.7 992.7 992.8 999.0 1006.3 1012.9 1014.3 992.7 DAY 22 13 20 13 28 25 13 9 1 1 7 7 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1002.9 999.6 999.8 995.4 990.1 983.3 981.1 982.8 989.9 997.3 1001.9 1002.5 993.9 MAX. QFE PRESSURE IN HPA 1009.9 1008.3 1008.0 1002.4 994.5 987.3 984.2 987.7 995.5 1001.6 1010.4 1009.8 1010.4 DAY 1 16 16 4 4 2 26 24 23 31 20 31 MIN. QFE PRESSURE IN HPA 996.9 989.3 991.9 987.0 985.4 980.1 979.1 978.3 984.7 991.1 996.7 996.7 978.3 DAY 13 13 20 13 28 25 23 9 1 1 7 7 MEAN QNH PRESSURE IN HPA 1019.8 1016.5 1016.6 1012.1 1006.8 999.9 997.7 999.4 1006.5 1014.1 1018.7 1019.3 1010.6 MAX. QNH PRESSURE IN HPA 1026.9 1025.2 1024.9 1019.2 1011.2 1003.9 1000.8 1004.3 1012.3 1018.4 1027.4 1026.7 1027.4 DAY 1 16 16 4 4 2 26 24 23 31 20 31 MIN. QNH PRESSURE IN HPA 1013.7 1006.0 1008.6 1003.6 1002.0 996.6 995.6 994.8 1001.3 1007.8 1013.5 1013.5 994.8 DAY 13 13 20 13 28 25 23 9 1 1 7 7 MEAN QFF PRESSURE IN HPA 1020.2 1016.8 1016.6 1011.9 1006.1 999.0 996.7 998.5 1005.8 1013.8 1018.8 1019.7 1010.3 MAX. QFF PRESSURE IN HPA 1027.4 1025.9 1025.4 1019.2 1010.6 1003.1 999.7 1003.6 1011.7 1018.2 1027.6 1027.5 1027.6 DAY 1 16 16 4 4 2 26 24 23 31 20 31 MIN. QFF PRESSURE IN HPA 1013.8 1006.2 1008.3 1003.3 1001.1 995.8 994.7 993.8 1000.5 1007.4 1013.1 1013.5 993.8 DAY 13 13 20 13 28 25 23 9 1 1 7 7 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1971 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1004.3 1000.9 1001.2 996.2 991.1 984.1 981.9 983.7 991.1 998.7 1003.3 1003.6 995.0 MAX. QFE PRESSURE IN HPA 1011.1 1011.3 1009.5 1002.7 995.4 987.7 985.1 988.6 997.1 1002.8 1011.8 1011.9 1011.9 DAY 1 16 16 3 3 2 6 24 23 31 20 31 MIN. QFE PRESSURE IN HPA 997.7 987.8 995.0 987.9 986.2 980.4 979.8 979.2 985.8 992.3 997.2 996.9 979.2 DAY 13 13 20 24 28 24 12 9 1 1 7 7 MEAN QNH PRESSURE IN HPA 1021.1 1017.7 1018.0 1012.9 1007.7 1000.7 998.4 1000.3 1007.8 1015.5 1020.2 1020.5 1011.7 MAX. QNH PRESSURE IN HPA 1028.1 1028.3 1026.4 1019.6 1012.1 1004.3 1001.7 1005.3 1013.9 1019.7 1028.8 1028.9 1028.9 DAY 1 16 16 3 3 2 6 24 23 31 20 31 MIN. QNH PRESSURE IN HPA 1014.5 1004.4 1011.7 1004.5 1002.8 996.9 996.3 995.7 1002.4 1009.0 1014.0 1013.7 995.7 DAY 13 13 20 24 28 24 12 9 1 1 7 7 MEAN QFF PRESSURE IN HPA 1021.6 1018.0 1018.0 1012.7 1006.9 999.7 997.3 999.3 1006.9 1015.1 1020.2 1020.9 1011.4 MAX. QFF PRESSURE IN HPA 1028.6 1028.9 1026.9 1019.6 1011.5 1003.5 1000.7 1004.4 1013.2 1019.4 1028.9 1029.6 1029.6 DAY 1 16 16 3 3 2 6 24 23 31 20 31 MIN. QFF PRESSURE IN HPA 1014.7 1004.7 1011.6 1004.1 1001.9 996.0 995.1 994.7 1001.6 1008.4 1013.8 1013.7 994.7 DAY 13 13 20 24 28 24 12 9 1 1 7 7 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1003.4 1000.2 1000.7 995.8 990.7 983.8 981.5 983.5 990.5 997.9 1002.5 1003.1 994.5 MAX. QFE PRESSURE IN HPA 1009.1 1010.4 1009.1 1002.1 995.5 987.0 985.5 987.5 996.4 1001.7 1009.4 1012.1 1012.1 DAY 4 16 16 3 4 1 6 24 23 31 20 31 MIN. QFE PRESSURE IN HPA 995.9 984.8 994.7 986.5 987.1 980.0 979.1 978.7 985.5 992.2 997.7 996.5 978.7 DAY 13 13 20 24 28 24 12 9 3 1 7 7 MEAN QNH PRESSURE IN HPA 1020.2 1017.0 1017.6 1012.5 1007.4 1000.4 998.1 1000.1 1007.2 1014.7 1019.3 1020.0 1011.2 MAX. QNH PRESSURE IN HPA 1026.0 1027.4 1026.0 1018.9 1012.3 1003.6 1002.1 1004.1 1013.2 1018.5 1026.3 1029.1 1029.1 DAY 4 16 16 3 4 1 6 24 23 31 20 31 MIN. QNH PRESSURE IN HPA 1012.7 1001.4 1011.4 1003.1 1003.7 996.5 995.6 995.2 1002.1 1008.9 1014.5 1013.3 995.2 DAY 13 13 20 24 28 24 12 9 3 1 7 7 MEAN QFF PRESSURE IN HPA 1020.3 1017.3 1017.5 1012.3 1006.6 999.4 997.0 999.1 1006.3 1014.4 1019.2 1020.3 1010.8 MAX. QFF PRESSURE IN HPA 1026.1 1027.9 1026.4 1018.9 1011.6 1002.7 1001.0 1003.2 1012.4 1018.1 1026.3 1029.8 1029.8 DAY 4 16 16 3 4 2 6 24 23 31 20 31 MIN. QFF PRESSURE IN HPA 1012.8 1001.6 1011.2 1002.6 1002.9 995.5 994.4 994.2 1001.0 1009.1 1014.4 1013.3 994.2 DAY 13 13 20 24 28 24 12 9 3 2 7 7 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 1001.7 998.5 998.8 994.3 989.2 982.5 980.2 982.3 988.9 996.3 1001.0 1001.8 992.9 MAX. QFE PRESSURE IN HPA 1006.9 1008.7 1006.8 1000.5 993.3 985.7 985.0 986.5 994.4 1000.0 1008.1 1010.3 1010.3 DAY 1 16 16 19 4 9 6 24 22 30 20 31 MIN. QFE PRESSURE IN HPA 994.0 983.9 993.0 983.8 985.6 979.1 977.6 977.4 984.7 990.4 996.2 995.0 977.4 DAY 13 13 20 24 28 24 12 9 2 1 7 19 MEAN QNH PRESSURE IN HPA 1018.5 1015.3 1015.6 1011.1 1005.9 999.1 996.7 998.9 1005.5 1013.0 1017.8 1018.6 1009.7 MAX. QNH PRESSURE IN HPA 1023.8 1025.6 1023.7 1017.3 1010.0 1002.3 1001.6 1003.1 1011.1 1016.8 1025.0 1027.3 1027.3 DAY 1 16 16 19 4 9 6 24 22 30 20 31 MIN. QNH PRESSURE IN HPA 1010.7 1000.5 1009.7 1000.4 1002.2 995.6 994.1 993.9 1001.3 1007.1 1013.0 1011.7 993.9 DAY 13 13 20 24 28 24 12 9 2 1 7 19 MEAN QFF PRESSURE IN HPA 1018.8 1015.5 1015.5 1010.8 1005.1 998.2 995.7 997.9 1004.7 1012.6 1017.7 1018.9 1009.3 MAX. QFF PRESSURE IN HPA 1024.1 1026.1 1024.1 1017.4 1009.4 1001.5 1000.6 1002.3 1010.4 1016.3 1025.0 1027.9 1027.9 DAY 1 16 16 19 4 9 6 24 22 30 20 31 MIN. QFF PRESSURE IN HPA 1010.9 1000.8 1009.5 999.8 1001.4 994.6 992.8 992.9 1000.1 1006.5 1012.8 1012.1 992.8 DAY 13 13 20 24 28 24 12 9 3 1 6 19 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1971 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1002.1 998.4 998.4 993.8 988.5 981.8 979.3 981.5 988.3 996.2 1001.2 1002.1 992.6 MAX. QFE PRESSURE IN HPA 1007.7 1008.4 1005.0 999.5 992.6 984.9 982.3 985.5 993.3 1000.2 1007.8 1010.8 1010.8 DAY 4 16 16 19 2 1 25 24 22 30 20 31 MIN. QFE PRESSURE IN HPA 994.5 985.8 992.6 984.0 985.0 978.6 976.6 976.2 984.0 990.2 995.6 995.0 976.2 DAY 13 13 20 24 26 24 12 9 2 1 6 19 MEAN QNH PRESSURE IN HPA 1018.9 1015.2 1015.2 1010.5 1005.2 998.3 995.8 998.1 1005.0 1013.0 1018.0 1019.0 1009.4 MAX. QNH PRESSURE IN HPA 1024.6 1025.3 1021.9 1016.3 1009.3 1001.5 998.9 1002.1 1010.0 1017.0 1024.7 1027.8 1027.8 DAY 4 16 16 19 2 1 25 24 22 30 20 31 MIN. QNH PRESSURE IN HPA 1011.2 1002.4 1009.3 1000.6 1001.6 995.1 993.1 992.7 1000.6 1006.9 1012.4 1011.7 992.7 DAY 13 13 20 24 26 24 12 9 2 1 6 19 MEAN QFF PRESSURE IN HPA 1019.3 1015.5 1015.2 1010.3 1004.5 997.5 994.9 997.2 1004.3 1012.7 1018.1 1019.4 1009.1 MAX. QFF PRESSURE IN HPA 1024.9 1025.9 1022.2 1016.4 1008.7 1000.8 997.9 1001.4 1009.5 1016.7 1024.9 1028.4 1028.4 DAY 1 16 16 19 2 2 25 24 22 30 20 31 MIN. QFF PRESSURE IN HPA 1011.5 1002.9 1009.1 1000.2 1000.7 994.3 991.9 991.7 999.7 1006.5 1012.3 1012.4 991.7 DAY 13 13 20 24 31 24 12 9 2 1 6 19 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 1002.8 999.5 999.5 994.8 989.5 982.8 980.3 982.5 989.4 997.3 1002.0 1003.0 993.6 MAX. QFE PRESSURE IN HPA 1009.3 1008.4 1006.2 1001.3 993.8 986.3 983.8 985.9 994.3 1002.1 1009.4 1011.9 1011.9 DAY 4 16 15 18 4 2 25 6 22 30 19 31 MIN. QFE PRESSURE IN HPA 995.5 990.4 992.8 988.8 985.3 979.1 976.9 977.4 985.2 991.7 995.9 996.9 976.9 DAY 13 13 19 24 31 24 12 9 1 1 6 19 MEAN QNH PRESSURE IN HPA 1019.7 1016.3 1016.3 1011.5 1006.2 999.4 996.9 999.0 1006.0 1014.0 1018.9 1019.9 1010.3 MAX. QNH PRESSURE IN HPA 1026.2 1025.3 1023.1 1018.1 1010.5 1002.9 1000.4 1002.5 1011.0 1018.9 1026.3 1028.9 1028.9 DAY 4 16 15 18 4 2 25 6 22 30 19 31 MIN. QNH PRESSURE IN HPA 1012.3 1007.1 1009.5 1005.5 1001.9 995.6 993.4 993.9 1001.8 1008.4 1012.7 1013.7 993.4 DAY 13 13 19 24 31 24 12 9 1 1 6 19 MEAN QFF PRESSURE IN HPA 1020.1 1016.6 1016.3 1011.3 1005.4 998.5 995.8 998.0 1005.2 1013.7 1018.9 1020.3 1010.0 MAX. QFF PRESSURE IN HPA 1026.5 1025.9 1023.5 1018.0 1009.9 1002.2 999.3 1001.5 1010.4 1018.6 1026.5 1029.6 1029.6 DAY 4 16 15 18 4 2 25 6 22 30 19 31 MIN. QFF PRESSURE IN HPA 1012.5 1007.6 1009.4 1005.1 1000.9 994.7 992.0 992.9 1000.8 1007.9 1012.5 1014.2 992.0 DAY 13 13 19 24 31 24 12 9 1 1 6 19 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 1002.7 999.6 999.5 995.2 989.8 983.1 980.6 982.8 989.5 997.4 1002.2 1003.3 993.8 MAX. QFE PRESSURE IN HPA 1009.3 1008.0 1007.9 1001.4 994.4 987.2 984.2 986.3 994.9 1002.1 1009.4 1012.3 1012.3 DAY 4 15 15 18 4 9 25 24 23 30 19 31 MIN. QFE PRESSURE IN HPA 997.0 991.1 992.8 989.0 985.9 979.8 977.7 978.0 985.0 992.0 996.3 998.5 977.7 DAY 13 12 19 23 31 24 12 9 2 1 6 6 MEAN QNH PRESSURE IN HPA 1019.6 1016.4 1016.3 1011.9 1006.5 999.7 997.2 999.4 1006.2 1014.2 1019.0 1020.1 1010.5 MAX. QNH PRESSURE IN HPA 1026.2 1024.9 1024.8 1018.2 1011.1 1003.8 1000.8 1002.9 1011.6 1018.9 1026.3 1029.3 1029.3 DAY 4 15 15 18 4 9 25 24 23 30 19 31 MIN. QNH PRESSURE IN HPA 1013.8 1007.8 1009.5 1005.7 1002.5 996.3 994.2 994.5 1001.6 1008.7 1013.1 1015.3 994.2 DAY 13 12 19 23 31 24 12 9 2 1 6 6 MEAN QFF PRESSURE IN HPA 1019.8 1016.6 1016.2 1011.7 1005.7 998.8 996.1 998.4 1005.3 1013.7 1018.9 1020.4 1010.1 MAX. QFF PRESSURE IN HPA 1026.3 1025.5 1025.3 1018.1 1010.5 1002.9 999.7 1002.1 1010.8 1018.5 1026.4 1030.0 1030.0 DAY 4 15 15 18 4 9 25 24 23 30 19 31 MIN. QFF PRESSURE IN HPA 1014.0 1007.9 1009.2 1005.3 1001.5 995.3 992.8 993.5 1000.5 1008.1 1012.7 1015.4 992.8 DAY 13 12 19 23 31 24 12 9 2 1 6 6 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1972 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 9.4 11.0 16.0 22.1 26.2 34.3 36.2 36.0 31.9 26.6 16.6 9.4 23.0 MINIMUN AIR TEMPERATURE (C) 4.8 5.1 10.5 15.8 18.6 23.7 25.1 27.3 21.4 17.2 9.8 5.0 15.4 DAYS WITH MINIMUM TEMP. >=21 0 0 0 1 7 28 31 31 18 5 0 0 121 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 2 0 0 0 0 0 0 0 0 0 0 4 6 TEMPERATURE RECORDS LOWEST(C) -1.0 1.0 5.0 11.0 13.0 19.0 21.0 22.0 17.0 11.0 6.0 -2.0 -2.0 DAY 20 27 2 6 10 1 27 4 12 31 14 27 MAXIMUM AIR TEMPERATURE (C) 15.0 17.1 21.9 28.3 32.9 42.4 45.0 43.7 41.1 36.4 24.7 15.0 30.3 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 11 23 30 31 31 30 29 2 0 187 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 19.0 23.0 27.0 33.0 40.0 45.0 48.0 47.0 47.0 40.0 32.0 20.0 48.0 DAY 13 16 29 15 28 28 11 8 5 2 1 3 DIF. BETWEEN (MAX.-MIN.) (C) 10.2 12.0 11.4 12.5 14.3 18.7 19.9 16.4 19.7 19.2 14.9 10.0 14.9 MEAN DAILY TEMP. (MDT) (C) 9.9 11.1 16.2 22.0 25.7 33.1 35.1 35.5 31.2 26.8 17.2 10.0 22.8 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 49.0 147.0 362.0 436.0 448.5 307.5 181.0 0.0 0.0 1931.0 HEATING DEG. DAYS(BASE 18 0C) 252.0 199.0 58.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 39.5 249.0 798.0 DEWPOINT (MEAN C) 5.4 2.5 9.3 13.2 10.2 9.5 10.2 12.6 6.8 9.3 9.6 6.0 8.7 MIXING RATIO (G/KG) 5.74 4.84 7.54 9.71 8.04 7.86 8.22 9.77 6.80 7.65 7.78 6.05 7.50 VAPOUR PRESSURE (HPA) 9.16 7.73 11.95 15.31 12.67 12.30 12.79 15.22 10.70 12.11 12.36 9.67 11.83 SATURATION DEF. (HPA) 2.96 6.04 6.89 12.34 23.09 44.67 50.84 46.87 40.11 25.40 7.58 2.53 22.44 RELATIVE HUMIDITY (MEAN %) 78 61 68 61 40 25 23 27 25 38 68 82 50 RELATIVE HUMIDITY (MAX. %) 95 87 90 84 67 46 42 43 44 59 89 98 70 RELATIVE HUMIDITY (MIN. %) 54 32 45 37 23 12 11 16 12 20 40 56 30 RELATIVE HUMIDITY (MEAN% 03UTC) 90 79 85 80 61 41 39 42 38 53 84 94 66 RELATIVE HUMIDITY (MEAN% 09UTC) 64 39 53 44 27 16 15 20 17 23 46 65 36 RELATIVE HUMIDITY (MEAN% 15UTC) 70 46 55 46 27 16 13 19 18 35 63 75 40 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 102.0 23.0 136.2 61.9 8.0 0.0 0.0 0.0 0.0 0.0 92.4 124.9 548.4 DAYS WITH PRECIPITATION >=10 4 0 6 3 0 0 0 0 0 0 3 3 19 DAYS WITH PRECIPITATION >= 5 4 2 10 3 0 0 0 0 0 0 3 4 26 DAYS WITH PRECIPITATION >= 1 10 6 13 8 3 0 0 0 0 0 4 8 52 DAYS WITH PRECIPITATION 11 7 14 11 7 0 0 0 0 1 4 8 63 GREATEST DAILY PRECIPITATION 31.0 7.0 25.0 21.0 3.0 0.0 0.0 0.0 0.0 0.0 42.0 70.0 70.0 DAY 22 8 31 2 9 ** ** ** ** ** 4 11 DAY WITH THUNDER STORM 0 0 4 5 2 0 0 0 0 1 6 1 19 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 5 10 9 4 20 17 25 14 14 14 9 7 148 WIND DIRECTION (PREVAILING) 135 90 135 90 225 315 225 180 225 225 135 360 225 PREVAILING WIND SPEED(KNOTS) 9.1 11.3 14.7 11.5 10.5 11.0 10.0 7.8 8.4 8.0 10.3 10.7 9.2 PREVAILING WIND PERCENT 5.6 8.2 17.3 11.3 16.5 14.6 30.6 14.5 11.3 12.1 5.0 5.3 10.7 CALMS PERCENT OF WIND 71.8 54.3 38.7 48.8 41.5 36.7 34.3 33.1 49.6 62.8 77.8 75.3 52.0 NO. OF WIND OBSERVATION 248 232 248 240 248 240 248 248 240 247 239 247 2925 VECTOR WIND DIRECTION (MEAN) 139 123 122 55 245 286 233 227 261 228 143 15 223 VECTOR WIND MAGNITUDE(KNOTS) 0.7 0.4 4.2 0.8 2.2 3.3 4.6 1.3 1.6 1.2 0.7 0.5 0.8 WIND STEADINESES (MEAN %) 24.1 8.0 56.0 16.0 30.6 47.8 70.8 20.0 33.3 35.3 35.0 22.7 16.0 WIND SPEED (MEAN KNOTS) 2.9 5.0 7.5 5.0 7.2 6.9 6.5 6.5 4.8 3.4 2.0 2.2 5.0 FASTEST WIND DIRECTION 100 140 40 90 280 250 270 330 270 130 110 90 280 FASTEST WIND SPEED (KNOTS) 35 28 35 25 80 30 30 30 25 18 20 25 80 DAY 14 29 17 12 9 19 6 18 5 30 4 11 DAYS WITH SKY CLEAR (0-2)/8 12 14 10 10 9 23 31 27 28 22 16 12 214 DAYS WITH P.CLOUDY (3-6)/8 10 10 8 10 16 6 0 4 2 9 8 11 94 DAYS WITH CLOUDY (7-8)/8 9 5 13 10 6 1 0 0 0 0 6 8 58 DAYS WITH VISIBILITY =< 2 KM 9 1 2 0 4 3 4 0 1 0 2 13 39 DURATION OF SUNSHINE HOURS 109.5 131.7 176.3 229.0 226.2 309.5 332.2 326.6 308.0 276.1 152.8 116.8 2694.7 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1972 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1003.0 1002.8 998.2 995.9 993.0 986.4 981.7 985.1 990.7 997.3 1001.1 1005.3 995.0 MAX. QFE PRESSURE IN HPA 1012.1 1009.7 1005.4 1000.2 999.1 993.8 985.6 990.9 996.6 1003.6 1007.1 1014.1 1014.1 DAY-HOUR 1- 6 12- 6 28- 9 13- 9 19- 6 1- 6 19- 6 31- 6 30- 6 26- 6 22- 6 27- 6 MIN. QFE PRESSURE IN HPA 994.7 993.3 988.5 991.5 984.4 979.1 978.1 980.4 983.8 992.8 993.8 996.9 978.1 DAY-HOUR 14- 3 7-21 22-15 15-15 6- 0 25- 0 4-15 1-15 4-15 9-15 3-12 5-12 MEAN QNH PRESSURE IN HPA 1019.8 1019.7 1015.0 1012.7 1009.7 1003.0 998.3 1001.8 1007.4 1014.1 1018.0 1022.1 1011.8 MAX. QNH PRESSURE IN HPA 1029.1 1026.6 1022.3 1017.0 1015.9 1010.5 1002.2 1007.6 1013.4 1020.5 1024.0 1031.1 1031.1 DAY-HOUR 1- 6 12- 6 28- 9 13- 9 19- 6 1- 6 19- 6 31- 6 30- 6 26- 6 22- 6 27- 6 MIN. QNH PRESSURE IN HPA 1011.4 1010.0 1005.2 1008.2 1001.0 995.6 994.6 996.9 1000.4 1009.5 1010.5 1013.7 994.6 DAY-HOUR 14- 3 7-21 22-15 15-15 6- 0 25- 0 4-15 1-15 4-15 9-15 3-12 5-12 MEAN QFF PRESSURE IN HPA 1020.4 1020.1 1015.1 1012.4 1009.2 1002.0 997.2 1000.7 1006.6 1013.6 1018.0 1022.7 1011.5 MAX. QFF PRESSURE IN HPA 1029.9 1027.2 1022.2 1016.7 1015.5 1009.7 1001.2 1006.7 1012.9 1020.0 1024.2 1032.1 1032.1 DAY-HOUR 1- 6 12- 6 28- 9 13- 9 19- 6 1- 6 19- 6 31- 6 30- 6 26- 6 23- 6 27- 6 MIN. QFF PRESSURE IN HPA 1011.8 1010.2 1005.1 1007.9 1000.5 994.7 993.5 996.1 999.5 1009.0 1010.2 1013.9 993.5 DAY-HOUR 14- 3 7-21 22-15 15-15 6- 0 26-15 12-15 1-15 4-15 9-15 3-15 5-12 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 1003.1 1002.7 998.1 995.8 992.7 986.2 981.5 984.8 990.3 996.8 1000.9 1005.1 994.8 MAX. QFE PRESSURE IN HPA 1011.5 1007.9 1003.0 999.1 996.9 993.2 984.1 987.5 995.7 1001.4 1006.2 1012.3 1012.3 DAY 1 13 28 13 20 1 24 31 25 26 23 28 MIN. QFE PRESSURE IN HPA 995.5 995.2 991.5 992.6 984.4 979.1 978.4 981.0 984.4 994.1 995.6 999.2 978.4 DAY 14 8 17 24 6 25 4 1 4 4 3 5 MEAN QNH PRESSURE IN HPA 1020.0 1019.5 1014.9 1012.5 1009.4 1002.8 998.1 1001.4 1006.9 1013.6 1017.7 1021.9 1011.6 MAX. QNH PRESSURE IN HPA 1028.5 1024.8 1019.9 1015.9 1013.7 1009.9 1000.7 1004.1 1012.5 1018.2 1023.1 1029.3 1029.3 DAY 1 13 28 13 20 1 24 31 25 26 23 28 MIN. QNH PRESSURE IN HPA 1012.3 1011.9 1008.2 1009.3 1001.0 995.6 994.9 997.6 1001.0 1010.8 1012.4 1016.0 994.9 DAY 14 8 17 24 6 25 4 1 4 4 3 5 MEAN QFF PRESSURE IN HPA 1020.4 1019.9 1015.0 1012.2 1008.9 1001.9 997.0 1000.4 1006.1 1013.0 1017.7 1022.4 1011.2 MAX. QFF PRESSURE IN HPA 1029.1 1025.3 1019.9 1015.8 1013.2 1009.2 999.5 1003.2 1011.9 1017.7 1023.2 1030.0 1030.0 DAY 1 13 28 6 20 1 24 31 30 26 23 28 MIN. QFF PRESSURE IN HPA 1012.5 1012.2 1008.2 1009.1 1000.5 994.7 993.9 996.6 999.8 1010.2 1012.0 1016.1 993.9 DAY 14 8 17 24 6 25 4 1 4 4 3 5 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1002.8 1002.7 998.3 996.1 993.3 986.8 982.0 985.5 990.9 997.5 1001.0 1005.1 995.2 MAX. QFE PRESSURE IN HPA 1011.0 1008.2 1003.8 999.4 997.2 993.5 985.2 989.1 995.8 1002.2 1006.4 1011.6 1011.6 DAY 1 24 28 13 19 1 19 31 25 26 23 27 MIN. QFE PRESSURE IN HPA 994.7 997.0 992.8 992.2 985.4 979.7 978.9 981.6 984.9 994.4 995.7 998.7 978.9 DAY 14 8 17 24 6 25 4 1 4 9 3 5 MEAN QNH PRESSURE IN HPA 1019.7 1019.6 1015.1 1012.8 1010.0 1003.5 998.6 1002.1 1007.6 1014.3 1017.8 1021.9 1011.9 MAX. QNH PRESSURE IN HPA 1028.0 1025.1 1020.7 1016.2 1014.0 1010.2 1001.8 1005.8 1012.6 1019.0 1023.3 1028.6 1028.6 DAY 1 24 28 13 19 1 19 31 25 26 23 27 MIN. QNH PRESSURE IN HPA 1011.4 1013.8 1009.5 1008.9 1002.0 996.2 995.4 998.2 1001.5 1011.1 1012.5 1015.5 995.4 DAY 14 8 17 24 6 25 4 1 4 9 3 5 MEAN QFF PRESSURE IN HPA 1020.3 1020.1 1015.2 1012.6 1009.5 1002.6 997.6 1001.1 1006.9 1013.9 1017.9 1022.5 1011.7 MAX. QFF PRESSURE IN HPA 1028.8 1025.7 1020.8 1016.1 1013.4 1009.5 1000.9 1005.0 1012.1 1018.8 1023.6 1029.6 1029.6 DAY 1 24 28 13 19 1 19 31 30 26 23 27 MIN. QFF PRESSURE IN HPA 1011.8 1014.1 1009.7 1008.7 1001.5 995.4 994.5 997.3 1000.6 1010.6 1012.2 1015.7 994.5 DAY 14 8 17 24 6 25 4 1 4 9 3 5 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1972 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1004.2 1004.0 999.3 997.2 994.3 987.5 982.8 986.5 992.1 998.9 1002.5 1006.5 996.3 MAX. QFE PRESSURE IN HPA 1012.1 1009.7 1004.9 1000.1 999.1 993.8 985.6 990.9 996.6 1003.6 1007.1 1014.1 1014.1 DAY 1 12 28 13 19 1 19 31 30 26 22 27 MIN. QFE PRESSURE IN HPA 996.9 998.9 992.3 993.4 986.6 980.7 979.9 982.4 986.2 995.3 998.7 1000.3 979.9 DAY 14 16 17 24 6 25 3 1 4 9 30 5 MEAN QNH PRESSURE IN HPA 1021.1 1020.9 1016.1 1014.0 1011.0 1004.2 999.4 1003.2 1008.8 1015.7 1019.4 1023.4 1013.1 MAX. QNH PRESSURE IN HPA 1029.1 1026.6 1021.8 1016.9 1015.9 1010.5 1002.2 1007.6 1013.4 1020.5 1024.0 1031.1 1031.1 DAY 1 12 28 13 19 1 19 31 30 26 22 27 MIN. QNH PRESSURE IN HPA 1013.7 1015.7 1009.0 1010.1 1003.2 997.2 996.4 999.0 1002.8 1012.0 1015.5 1017.1 996.4 DAY 14 16 17 24 6 25 3 1 4 9 30 5 MEAN QFF PRESSURE IN HPA 1021.7 1021.4 1016.2 1013.7 1010.5 1003.2 998.3 1002.1 1008.0 1015.2 1019.5 1024.0 1012.8 MAX. QFF PRESSURE IN HPA 1029.9 1027.2 1021.8 1016.7 1015.5 1009.7 1001.2 1006.7 1012.9 1020.0 1024.2 1032.1 1032.1 DAY 1 12 28 13 19 1 19 31 30 26 23 27 MIN. QFF PRESSURE IN HPA 1014.1 1016.0 1009.2 1010.0 1002.8 996.2 995.4 998.0 1001.8 1011.4 1015.3 1017.4 995.4 DAY 14 16 17 24 6 25 3 1 4 9 3 5 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1003.5 1003.7 999.0 996.9 993.8 987.2 982.5 985.9 991.5 998.2 1001.7 1005.8 995.8 MAX. QFE PRESSURE IN HPA 1010.0 1009.3 1005.4 1000.2 999.1 993.3 985.5 989.8 996.5 1002.4 1006.8 1013.6 1013.6 DAY 1 12 28 13 19 1 19 31 30 31 23 27 MIN. QFE PRESSURE IN HPA 996.2 998.6 990.9 993.9 986.7 980.2 979.5 982.0 985.8 994.7 996.6 998.6 979.5 DAY 29 16 17 15 6 25 4 1 4 9 3 5 MEAN QNH PRESSURE IN HPA 1020.4 1020.6 1015.8 1013.7 1010.6 1003.8 999.1 1002.6 1008.2 1015.0 1018.6 1022.7 1012.6 MAX. QNH PRESSURE IN HPA 1027.0 1026.2 1022.3 1017.0 1015.9 1010.0 1002.1 1006.5 1013.3 1019.2 1023.7 1030.6 1030.6 DAY 1 12 28 13 19 1 19 31 30 31 23 27 MIN. QNH PRESSURE IN HPA 1013.0 1015.4 1007.6 1010.6 1003.3 996.7 996.0 998.6 1002.4 1011.4 1013.4 1015.4 996.0 DAY 29 16 17 15 6 25 4 1 4 9 3 5 MEAN QFF PRESSURE IN HPA 1020.9 1021.0 1015.9 1013.3 1010.0 1002.8 998.0 1001.5 1007.3 1014.4 1018.6 1023.1 1012.2 MAX. QFF PRESSURE IN HPA 1027.6 1026.8 1022.2 1016.7 1015.5 1009.2 1001.0 1005.6 1012.7 1019.1 1023.8 1031.4 1031.4 DAY 1 12 28 13 19 1 19 31 30 31 23 27 MIN. QFF PRESSURE IN HPA 1013.4 1015.5 1007.6 1010.2 1002.9 995.6 995.0 997.6 1001.3 1010.7 1013.2 1015.7 995.0 DAY 29 16 17 15 6 25 4 1 4 9 3 5 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 1002.0 1001.9 997.3 995.4 992.5 985.9 981.3 984.4 990.0 996.4 1000.2 1004.3 994.3 MAX. QFE PRESSURE IN HPA 1008.5 1007.5 1002.6 998.8 997.6 991.5 984.5 987.9 994.5 1001.0 1005.6 1012.3 1012.3 DAY 1 12 28 13 19 1 19 31 29 26 5 27 MIN. QFE PRESSURE IN HPA 995.3 996.8 989.5 992.1 986.6 979.4 978.5 980.8 984.1 993.4 993.8 996.9 978.5 DAY 29 16 22 15 6 25 4 1 4 9 3 5 MEAN QNH PRESSURE IN HPA 1018.9 1018.8 1014.1 1012.2 1009.2 1002.5 997.9 1001.0 1006.6 1013.2 1017.0 1021.2 1011.0 MAX. QNH PRESSURE IN HPA 1025.4 1024.4 1019.5 1015.6 1014.4 1008.2 1001.1 1004.5 1011.2 1017.8 1022.5 1029.3 1029.3 DAY 1 12 28 13 19 1 19 31 29 26 5 27 MIN. QNH PRESSURE IN HPA 1012.0 1013.6 1006.2 1008.8 1003.2 995.9 995.0 997.3 1000.7 1010.1 1010.5 1013.7 995.0 DAY 29 16 22 15 6 25 4 1 4 9 3 5 MEAN QFF PRESSURE IN HPA 1019.3 1019.2 1014.1 1011.9 1008.7 1001.6 996.8 999.9 1005.8 1012.6 1017.1 1021.7 1010.7 MAX. QFF PRESSURE IN HPA 1026.0 1024.8 1019.5 1015.3 1013.9 1007.4 1000.1 1003.6 1010.6 1017.4 1022.3 1030.1 1030.1 DAY 1 12 28 13 19 1 19 31 29 31 5 27 MIN. QFF PRESSURE IN HPA 1012.5 1013.7 1006.2 1008.3 1002.8 995.0 994.0 996.4 999.5 1009.4 1010.4 1013.9 994.0 DAY 29 16 22 15 6 25 4 1 4 9 3 5 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1972 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1002.2 1001.8 997.0 994.7 991.8 985.1 980.5 983.8 989.5 996.2 1000.3 1004.5 993.9 MAX. QFE PRESSURE IN HPA 1008.6 1008.1 1002.0 998.6 996.5 991.7 983.6 987.6 994.5 1001.0 1006.2 1012.3 1012.3 DAY 1 12 28 13 18 2 19 31 30 26 5 27 MIN. QFE PRESSURE IN HPA 995.9 996.0 988.5 991.5 985.7 979.1 978.1 980.4 983.8 992.8 993.8 997.6 978.1 DAY 27 7 22 15 9 25 4 1 4 9 3 5 MEAN QNH PRESSURE IN HPA 1019.0 1018.7 1013.7 1011.4 1008.5 1001.7 997.1 1000.3 1006.2 1013.0 1017.1 1021.4 1010.7 MAX. QNH PRESSURE IN HPA 1025.5 1025.0 1018.8 1015.4 1013.3 1008.4 1000.2 1004.2 1011.2 1017.8 1023.1 1029.3 1029.3 DAY 1 12 28 13 18 2 19 31 30 26 5 27 MIN. QNH PRESSURE IN HPA 1012.7 1012.8 1005.2 1008.2 1002.3 995.6 994.6 996.9 1000.4 1009.5 1010.5 1014.4 994.6 DAY 27 7 22 15 9 25 4 1 4 9 3 5 MEAN QFF PRESSURE IN HPA 1019.6 1019.2 1013.9 1011.2 1008.0 1000.8 996.1 999.4 1005.5 1012.6 1017.2 1022.0 1010.4 MAX. QFF PRESSURE IN HPA 1026.3 1025.6 1019.0 1015.2 1012.7 1007.6 999.3 1003.5 1010.8 1017.6 1023.0 1030.3 1030.3 DAY 1 12 28 13 18 2 19 31 30 31 5 27 MIN. QFF PRESSURE IN HPA 1012.9 1013.2 1005.1 1007.9 1001.9 994.7 993.5 996.1 999.5 1009.0 1010.2 1014.6 993.5 DAY 27 7 22 15 9 26 12 1 4 9 3 5 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 1002.9 1002.8 998.2 995.7 992.7 986.0 981.5 985.0 990.7 997.2 1001.4 1005.4 995.0 MAX. QFE PRESSURE IN HPA 1010.0 1009.2 1004.7 999.7 997.4 993.0 984.2 988.8 995.9 1001.5 1006.2 1012.5 1012.5 DAY 1 12 30 1 18 2 19 31 30 26 22 27 MIN. QFE PRESSURE IN HPA 997.9 995.8 991.3 992.7 987.7 979.4 978.8 982.1 985.1 994.4 996.8 998.6 978.8 DAY 26 7 22 10 28 24 11 5 4 4 2 5 MEAN QNH PRESSURE IN HPA 1019.8 1019.7 1015.0 1012.5 1009.5 1002.6 998.0 1001.6 1007.3 1014.0 1018.2 1022.3 1011.7 MAX. QNH PRESSURE IN HPA 1027.0 1026.1 1021.6 1016.5 1014.2 1009.7 1000.8 1005.5 1012.7 1018.3 1023.1 1029.5 1029.5 DAY 1 12 30 1 18 2 19 31 30 26 22 27 MIN. QNH PRESSURE IN HPA 1014.7 1012.6 1008.0 1009.4 1004.3 995.9 995.3 998.7 1001.7 1011.1 1013.6 1015.4 995.3 DAY 26 7 22 10 28 24 11 5 4 4 2 5 MEAN QFF PRESSURE IN HPA 1020.4 1020.2 1015.1 1012.2 1008.9 1001.6 997.0 1000.6 1006.5 1013.5 1018.3 1022.9 1011.4 MAX. QFF PRESSURE IN HPA 1027.7 1026.6 1021.5 1016.4 1013.7 1008.7 999.8 1004.6 1012.1 1018.4 1023.3 1030.4 1030.4 DAY 1 12 30 1 18 2 19 31 30 31 22 27 MIN. QFF PRESSURE IN HPA 1015.1 1012.8 1008.1 1008.9 1003.4 994.9 994.0 997.8 1000.6 1010.5 1013.4 1015.7 994.0 DAY 27 7 22 10 28 24 11 5 4 4 2 5 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 1003.2 1003.0 998.7 995.8 993.1 986.2 981.8 985.3 990.8 997.2 1001.3 1005.5 995.2 MAX. QFE PRESSURE IN HPA 1010.1 1008.1 1003.7 999.1 997.1 992.2 984.2 988.3 995.9 1001.7 1006.2 1012.3 1012.3 DAY 1 11 30 12 18 2 19 31 30 26 22 27 MIN. QFE PRESSURE IN HPA 997.3 993.3 993.3 993.2 988.7 979.4 979.0 982.5 985.3 994.2 997.0 999.0 979.0 DAY 26 7 22 10 28 24 11 5 3 16 2 5 MEAN QNH PRESSURE IN HPA 1020.0 1019.9 1015.5 1012.6 1009.8 1002.8 998.3 1001.9 1007.5 1014.0 1018.2 1022.4 1011.9 MAX. QNH PRESSURE IN HPA 1027.1 1025.0 1020.6 1015.9 1013.9 1008.9 1000.8 1005.0 1012.7 1018.5 1023.1 1029.3 1029.3 DAY 1 11 30 12 18 2 19 31 30 26 22 27 MIN. QNH PRESSURE IN HPA 1014.1 1010.0 1010.0 1009.9 1005.4 995.9 995.5 999.1 1001.9 1010.9 1013.8 1015.8 995.5 DAY 26 7 22 10 28 24 11 5 3 16 2 5 MEAN QFF PRESSURE IN HPA 1020.5 1020.3 1015.5 1012.3 1009.2 1001.9 997.2 1000.8 1006.6 1013.4 1018.2 1022.9 1011.6 MAX. QFF PRESSURE IN HPA 1027.6 1025.6 1020.5 1015.6 1013.4 1007.9 999.8 1004.0 1012.1 1018.0 1023.2 1030.0 1030.0 DAY 1 11 30 12 18 2 19 31 30 26 22 27 MIN. QFF PRESSURE IN HPA 1014.4 1010.2 1010.2 1009.3 1004.4 994.9 994.3 998.0 1000.8 1010.3 1013.5 1016.1 994.3 DAY 26 7 22 30 28 24 11 5 3 16 2 5 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1973 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 9.9 14.8 17.1 23.2 30.0 34.3 35.5 36.8 32.7 25.7 15.9 12.4 24.0 MINIMUN AIR TEMPERATURE (C) 4.1 8.4 9.1 14.4 20.2 24.3 24.4 25.9 21.2 15.6 7.5 6.6 15.1 DAYS WITH MINIMUM TEMP. >=21 0 0 0 1 14 23 26 31 14 4 0 0 113 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 8 0 0 0 0 0 0 0 0 0 0 0 8 TEMPERATURE RECORDS LOWEST(C) -2.0 3.0 4.0 10.0 12.0 18.0 19.0 22.0 16.0 10.0 1.0 2.0 -2.0 DAY 6 4 25 9 1 1 4 1 21 27 8 1 MAXIMUM AIR TEMPERATURE (C) 16.7 21.5 24.5 30.6 37.5 42.4 44.1 45.7 42.4 36.5 25.8 19.9 32.3 DAYS WITH MAXIMUM TEMP. >=30 0 0 1 19 31 30 31 31 30 31 5 0 209 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 22.0 27.0 31.0 36.0 42.0 48.0 48.0 49.0 46.0 39.0 33.0 28.0 49.0 DAY 30 17 31 26 27 28 5 5 8 5 3 3 DIF. BETWEEN (MAX.-MIN.) (C) 12.6 13.1 15.4 16.2 17.3 18.1 19.7 19.8 21.2 20.9 18.3 13.3 17.2 MEAN DAILY TEMP. (MDT) (C) 10.4 15.0 16.8 22.5 28.9 33.3 34.2 35.8 31.8 26.0 16.6 13.3 23.7 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 1.0 57.0 244.0 370.5 410.0 460.0 324.0 155.5 11.0 0.0 2033.0 HEATING DEG. DAYS(BASE 18 0C) 235.5 87.5 54.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 76.5 148.0 601.5 DEWPOINT (MEAN C) 2.4 8.5 5.8 6.7 6.7 8.4 12.6 12.4 7.5 9.0 1.5 6.3 7.3 MIXING RATIO (G/KG) 4.77 7.20 6.07 6.41 6.49 7.42 9.69 9.64 6.95 7.48 4.71 6.11 6.91 VAPOUR PRESSURE (HPA) 7.63 11.44 9.64 10.13 10.22 11.58 15.02 14.96 10.92 11.82 7.51 9.76 10.89 SATURATION DEF. (HPA) 5.18 6.21 11.02 19.97 34.83 45.39 45.96 50.48 42.60 24.41 12.41 5.32 25.32 RELATIVE HUMIDITY (MEAN %) 64 70 53 39 27 23 28 26 25 39 44 71 42 RELATIVE HUMIDITY (MAX. %) 87 92 80 65 48 38 45 44 45 62 69 89 64 RELATIVE HUMIDITY (MIN. %) 38 41 29 21 14 13 16 13 12 18 19 46 23 RELATIVE HUMIDITY (MEAN% 03UTC) 81 86 75 62 46 37 44 42 43 56 62 84 60 RELATIVE HUMIDITY (MEAN% 09UTC) 44 50 35 27 16 16 20 16 16 21 25 52 28 RELATIVE HUMIDITY (MEAN% 15UTC) 52 55 35 25 17 15 19 16 17 32 37 64 32 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 20.0 71.1 8.5 9.0 0.0 0.0 0.0 0.0 0.0 0.0 15.0 51.0 174.6 DAYS WITH PRECIPITATION >=10 1 2 0 0 0 0 0 0 0 0 1 2 6 DAYS WITH PRECIPITATION >= 5 1 2 1 1 0 0 0 0 0 0 1 5 11 DAYS WITH PRECIPITATION >= 1 6 5 2 2 0 0 0 0 0 0 1 8 24 DAYS WITH PRECIPITATION 6 6 3 3 0 0 0 0 0 0 3 9 30 GREATEST DAILY PRECIPITATION 11.0 40.0 6.0 7.0 0.0 0.0 0.0 0.0 0.0 0.0 15.0 12.0 40.0 DAY 28 10 3 16 ** ** ** ** ** ** 23 18 DAY WITH THUNDER STORM 2 0 0 4 1 0 0 0 0 0 0 0 7 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 7 11 8 15 17 23 31 19 17 20 14 6 188 WIND DIRECTION (PREVAILING) 90 90 225 225 270 225 225 225 225 225 225 135 225 PREVAILING WIND SPEED(KNOTS) 8.1 11.3 8.2 8.9 11.9 8.0 8.8 8.7 7.0 6.3 8.5 8.6 8.2 PREVAILING WIND PERCENT 9.7 13.0 10.1 14.6 17.0 19.2 21.9 26.2 11.3 9.3 11.3 5.6 12.9 CALMS PERCENT OF WIND 46.2 52.9 50.6 38.9 36.4 27.6 39.7 40.3 59.6 66.5 60.0 69.4 49.0 NO. OF WIND OBSERVATION 247 223 247 239 247 239 247 248 240 248 240 248 2913 VECTOR WIND DIRECTION (MEAN) 70 77 172 189 272 261 204 204 286 221 213 26 231 VECTOR WIND MAGNITUDE(KNOTS) 0.9 1.3 0.1 2.2 3.2 3.2 3.1 2.9 2.1 0.8 0.9 0.3 1.1 WIND STEADINESES (MEAN %) 18.0 28.9 2.0 37.9 50.0 46.4 62.0 61.7 53.8 33.3 23.7 10.7 23.4 WIND SPEED (MEAN KNOTS) 5.0 4.5 4.9 5.8 6.4 6.9 5.0 4.7 3.9 2.4 3.8 2.8 4.7 FASTEST WIND DIRECTION 330 300 330 70 160 340 240 240 330 130 330 110 70 FASTEST WIND SPEED (KNOTS) 20 40 30 45 25 25 25 17 30 14 25 25 45 DAY 2 14 3 16 8 8 1 27 12 30 18 18 DAYS WITH SKY CLEAR (0-2)/8 17 11 17 15 25 29 28 27 29 28 19 16 261 DAYS WITH P.CLOUDY (3-6)/8 9 10 7 8 5 1 3 4 1 3 7 9 67 DAYS WITH CLOUDY (7-8)/8 5 7 7 7 1 0 0 0 0 0 4 6 37 DAYS WITH VISIBILITY =< 2 KM 4 6 2 3 1 9 8 1 0 0 1 2 37 DURATION OF SUNSHINE HOURS 159.0 149.4 233.9 238.0 334.2 320.9 323.6 319.2 301.4 281.6 170.9 135.8 2967.9 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1973 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1004.4 1000.6 999.2 994.7 990.9 984.2 980.2 982.4 988.4 995.6 1001.8 1003.6 993.8 MAX. QFE PRESSURE IN HPA 1012.8 1009.0 1006.9 1001.5 997.4 993.4 987.8 987.1 997.0 1001.9 1010.6 1010.4 1012.8 DAY-HOUR 6- 6 7- 6 19- 6 9- 6 18- 6 3- 9 22- 6 22- 6 29- 6 22- 6 25- 6 23- 6 MIN. QFE PRESSURE IN HPA 989.7 986.1 990.7 987.9 983.2 976.6 975.6 976.3 982.6 990.0 992.5 997.6 975.6 DAY-HOUR 15-15 22-15 3-12 16- 0 29-21 29-15 15-15 13-15 1-15 1-15 3-21 3-12 MEAN QNH PRESSURE IN HPA 1021.2 1017.4 1016.0 1011.5 1007.6 1000.8 996.8 998.9 1005.0 1012.4 1018.6 1020.4 1010.5 MAX. QNH PRESSURE IN HPA 1029.8 1025.9 1023.8 1018.3 1014.2 1010.1 1004.4 1003.7 1013.8 1018.7 1027.6 1027.4 1029.8 DAY-HOUR 6- 6 7- 6 19- 6 9- 6 18- 6 3- 9 22- 6 22- 6 29- 6 22- 6 25- 6 23- 6 MIN. QNH PRESSURE IN HPA 1006.4 1002.7 1007.4 1004.5 999.8 993.1 992.1 992.8 999.2 1006.7 1009.2 1014.4 992.1 DAY-HOUR 15-15 22-15 3-12 16- 0 29-21 29-15 15-15 13-15 1-15 1-15 3-21 3-12 MEAN QFF PRESSURE IN HPA 1021.7 1017.6 1016.1 1011.1 1006.8 999.8 995.7 997.8 1004.2 1011.9 1018.7 1020.8 1010.2 MAX. QFF PRESSURE IN HPA 1030.6 1026.4 1023.9 1018.3 1013.6 1009.1 1003.3 1002.5 1013.1 1018.4 1028.1 1027.7 1030.6 DAY-HOUR 6- 6 7- 6 19- 6 9- 6 18- 6 3- 9 22- 6 22- 6 29- 6 22- 6 25- 6 23- 6 MIN. QFF PRESSURE IN HPA 1006.6 1002.8 1007.1 1004.1 998.9 991.9 991.0 991.7 998.3 1006.1 1008.8 1014.3 991.0 DAY-HOUR 15-15 22-15 3-12 16- 0 29-21 29-15 15-18 13-15 1-15 1-15 3-21 3-12 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 1004.4 1000.5 999.2 994.3 990.6 984.0 980.1 982.2 987.9 995.3 1001.7 1003.3 993.6 MAX. QFE PRESSURE IN HPA 1011.0 1007.7 1004.6 998.9 995.2 992.3 986.9 985.3 995.4 1000.2 1009.4 1008.4 1011.0 DAY 6 7 11 10 18 4 22 31 29 22 26 24 MIN. QFE PRESSURE IN HPA 993.0 989.4 992.6 987.9 984.0 977.8 976.8 977.5 983.7 991.0 993.1 997.7 976.8 DAY 15 23 3 16 29 29 9 14 2 2 4 18 MEAN QNH PRESSURE IN HPA 1021.3 1017.4 1016.0 1011.0 1007.3 1000.6 996.6 998.7 1004.6 1012.0 1018.5 1020.2 1010.4 MAX. QNH PRESSURE IN HPA 1028.0 1024.6 1021.5 1015.7 1011.9 1009.0 1003.5 1001.9 1012.1 1017.0 1026.3 1025.3 1028.0 DAY 6 7 11 10 18 4 22 31 29 22 26 24 MIN. QNH PRESSURE IN HPA 1009.7 1006.1 1009.3 1004.5 1000.6 994.3 993.3 994.0 1000.3 1007.7 1009.8 1014.5 993.3 DAY 15 23 3 16 29 29 9 14 2 2 4 18 MEAN QFF PRESSURE IN HPA 1021.8 1017.5 1016.1 1010.7 1006.6 999.7 995.6 997.6 1003.7 1011.5 1018.6 1020.5 1010.0 MAX. QFF PRESSURE IN HPA 1028.6 1025.1 1021.7 1015.6 1011.4 1008.1 1002.4 1001.0 1011.3 1016.6 1026.9 1025.9 1028.6 DAY 6 7 11 10 18 4 22 31 29 22 26 24 MIN. QFF PRESSURE IN HPA 1010.0 1006.2 1009.0 1004.1 999.8 993.0 992.3 992.9 999.3 1007.0 1009.5 1014.8 992.3 DAY 15 23 3 16 29 29 16 14 2 2 4 18 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1004.2 1000.5 999.3 994.9 991.5 984.8 981.0 983.2 988.7 995.8 1001.8 1003.4 994.1 MAX. QFE PRESSURE IN HPA 1011.2 1007.5 1005.2 999.8 996.4 993.0 987.5 985.6 995.6 1000.2 1009.0 1009.1 1011.2 DAY 6 7 10 9 18 4 22 22 29 22 26 23 MIN. QFE PRESSURE IN HPA 992.0 990.0 991.5 989.1 985.6 978.2 977.6 979.3 984.5 991.6 993.5 998.1 977.6 DAY 15 22 3 16 29 29 6 14 2 2 4 18 MEAN QNH PRESSURE IN HPA 1021.0 1017.3 1016.1 1011.6 1008.1 1001.4 997.6 999.8 1005.4 1012.6 1018.7 1020.2 1010.8 MAX. QNH PRESSURE IN HPA 1028.2 1024.4 1022.1 1016.6 1013.2 1009.7 1004.1 1002.2 1012.4 1017.0 1025.9 1026.0 1028.2 DAY 6 7 10 9 18 4 22 22 29 22 26 23 MIN. QNH PRESSURE IN HPA 1008.7 1006.7 1008.2 1005.8 1002.2 994.7 994.1 995.8 1001.1 1008.3 1010.2 1014.9 994.1 DAY 15 22 3 16 29 29 6 14 2 2 4 18 MEAN QFF PRESSURE IN HPA 1021.6 1017.6 1016.3 1011.4 1007.5 1000.5 996.6 998.8 1004.6 1012.2 1018.9 1020.6 1010.6 MAX. QFF PRESSURE IN HPA 1029.0 1024.9 1022.3 1016.7 1012.7 1008.9 1003.1 1001.4 1011.7 1016.9 1026.6 1026.4 1029.0 DAY 6 7 10 9 18 4 22 31 29 22 26 23 MIN. QFF PRESSURE IN HPA 1009.0 1006.7 1007.9 1005.4 1001.4 993.5 993.2 994.7 1000.3 1007.8 1010.1 1015.2 993.2 DAY 15 22 3 16 29 29 6 14 2 2 4 18 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1973 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1005.8 1001.7 1000.5 996.1 992.4 985.4 981.7 984.2 990.0 997.2 1003.1 1004.7 995.2 MAX. QFE PRESSURE IN HPA 1012.8 1009.0 1006.9 1001.5 997.4 992.9 987.8 987.1 997.0 1001.9 1010.6 1010.4 1012.8 DAY 6 7 19 9 18 3 22 22 29 22 25 23 MIN. QFE PRESSURE IN HPA 993.8 989.6 991.4 990.0 986.1 979.3 978.1 980.8 986.0 993.0 995.4 999.3 978.1 DAY 15 22 3 16 29 29 9 13 2 2 4 29 MEAN QNH PRESSURE IN HPA 1022.7 1018.5 1017.3 1012.8 1009.1 1002.1 998.2 1000.8 1006.7 1014.0 1020.0 1021.6 1012.0 MAX. QNH PRESSURE IN HPA 1029.8 1025.9 1023.8 1018.3 1014.2 1009.6 1004.4 1003.7 1013.8 1018.7 1027.6 1027.4 1029.8 DAY 6 7 19 9 18 3 22 22 29 22 25 23 MIN. QNH PRESSURE IN HPA 1010.5 1006.3 1008.1 1006.7 1002.7 995.8 994.6 997.3 1002.6 1009.7 1012.1 1016.1 994.6 DAY 15 22 3 16 29 29 9 13 2 2 4 29 MEAN QFF PRESSURE IN HPA 1023.3 1018.8 1017.4 1012.5 1008.4 1001.1 997.2 999.7 1005.8 1013.5 1020.2 1022.0 1011.6 MAX. QFF PRESSURE IN HPA 1030.6 1026.4 1023.9 1018.3 1013.6 1008.6 1003.3 1002.5 1013.1 1018.4 1028.1 1027.7 1030.6 DAY 6 7 19 9 18 3 22 22 29 22 25 23 MIN. QFF PRESSURE IN HPA 1011.0 1006.3 1007.8 1006.3 1001.8 994.6 993.5 996.2 1001.8 1009.0 1012.0 1016.3 993.5 DAY 15 22 3 16 29 29 9 13 2 2 4 29 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1004.8 1001.4 1000.1 995.8 992.0 985.1 981.3 983.4 989.3 996.4 1002.2 1004.2 994.7 MAX. QFE PRESSURE IN HPA 1011.6 1008.2 1006.7 1000.7 997.1 993.4 986.9 985.8 996.3 1001.2 1010.4 1009.5 1011.6 DAY 6 7 19 9 18 3 22 31 29 22 25 25 MIN. QFE PRESSURE IN HPA 991.5 987.7 992.5 990.3 985.6 979.3 978.2 979.9 985.6 992.7 995.0 999.1 978.2 DAY 15 22 3 16 29 29 6 13 2 1 3 3 MEAN QNH PRESSURE IN HPA 1021.7 1018.2 1017.0 1012.6 1008.7 1001.7 997.8 1000.0 1006.0 1013.2 1019.1 1021.1 1011.4 MAX. QNH PRESSURE IN HPA 1028.6 1025.1 1023.6 1017.5 1013.9 1010.1 1003.5 1002.4 1013.1 1018.0 1027.4 1026.4 1028.6 DAY 6 7 19 9 18 3 22 31 29 22 25 25 MIN. QNH PRESSURE IN HPA 1008.2 1004.3 1009.2 1007.0 1002.2 995.8 994.7 996.4 1002.2 1009.4 1011.7 1015.9 994.7 DAY 15 22 3 16 29 29 6 13 2 1 3 3 MEAN QFF PRESSURE IN HPA 1022.1 1018.1 1017.0 1012.2 1007.8 1000.5 996.6 998.9 1005.0 1012.6 1019.1 1021.3 1011.0 MAX. QFF PRESSURE IN HPA 1029.1 1025.5 1023.5 1017.4 1013.3 1009.1 1002.3 1001.4 1012.2 1017.6 1027.8 1026.7 1029.1 DAY 6 7 19 9 18 3 22 31 29 22 25 25 MIN. QFF PRESSURE IN HPA 1008.6 1004.4 1009.0 1006.6 1001.3 994.6 993.6 995.2 1001.3 1008.6 1011.4 1015.9 993.6 DAY 15 22 3 16 29 29 9 13 2 1 3 3 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 1003.1 999.7 998.2 994.0 990.3 983.7 979.7 981.6 987.5 994.7 1000.7 1002.7 993.0 MAX. QFE PRESSURE IN HPA 1010.3 1005.7 1004.2 999.1 995.0 992.4 984.7 985.0 993.8 999.0 1009.2 1008.7 1010.3 DAY 6 7 10 9 18 3 22 31 29 22 25 23 MIN. QFE PRESSURE IN HPA 990.0 986.2 990.7 988.9 984.2 977.8 976.2 977.7 983.6 990.3 993.1 997.6 976.2 DAY 15 22 3 16 29 29 6 13 1 1 3 3 MEAN QNH PRESSURE IN HPA 1020.0 1016.5 1015.0 1010.8 1007.0 1000.3 996.2 998.1 1004.1 1011.4 1017.5 1019.5 1009.7 MAX. QNH PRESSURE IN HPA 1027.3 1022.6 1021.1 1015.9 1011.7 1009.1 1001.3 1001.6 1010.5 1015.8 1026.1 1025.6 1027.3 DAY 6 7 10 9 18 3 22 31 29 22 25 23 MIN. QNH PRESSURE IN HPA 1006.7 1002.8 1007.4 1005.6 1000.8 994.3 992.7 994.2 1000.2 1007.0 1009.8 1014.4 992.7 DAY 15 22 3 16 29 29 6 13 1 1 3 3 MEAN QFF PRESSURE IN HPA 1020.4 1016.6 1015.0 1010.4 1006.3 999.4 995.2 997.0 1003.2 1010.9 1017.6 1019.8 1009.3 MAX. QFF PRESSURE IN HPA 1027.9 1023.0 1021.2 1015.9 1011.2 1008.1 1000.1 1000.7 1009.7 1015.4 1026.6 1025.9 1027.9 DAY 6 7 10 9 18 3 22 31 29 22 25 23 MIN. QFF PRESSURE IN HPA 1007.0 1002.8 1007.1 1005.2 1000.0 993.0 991.6 993.0 999.3 1006.3 1009.6 1014.3 991.6 DAY 15 22 3 16 29 29 6 13 1 1 3 3 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1973 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1003.3 999.7 997.9 993.4 989.3 982.7 978.7 980.6 987.1 994.4 1000.8 1002.9 992.6 MAX. QFE PRESSURE IN HPA 1010.2 1006.1 1004.0 998.1 993.8 991.5 983.6 984.3 992.9 998.8 1009.1 1009.2 1010.2 DAY 6 7 10 9 18 3 22 30 29 22 25 23 MIN. QFE PRESSURE IN HPA 989.7 986.1 991.4 988.2 983.6 976.6 975.6 976.3 982.6 990.0 993.3 998.5 975.6 DAY 15 22 2 16 29 29 15 13 1 1 3 3 MEAN QNH PRESSURE IN HPA 1020.2 1016.5 1014.7 1010.1 1005.9 999.2 995.2 997.1 1003.7 1011.2 1017.7 1019.7 1009.3 MAX. QNH PRESSURE IN HPA 1027.2 1023.0 1020.9 1014.9 1010.5 1008.2 1000.2 1000.9 1009.6 1015.6 1026.0 1026.1 1027.2 DAY 6 7 10 9 18 3 22 30 29 22 25 23 MIN. QNH PRESSURE IN HPA 1006.4 1002.7 1008.1 1004.9 1000.2 993.1 992.1 992.8 999.2 1006.7 1010.0 1015.3 992.1 DAY 15 22 2 16 29 29 15 13 1 1 3 3 MEAN QFF PRESSURE IN HPA 1020.7 1016.7 1014.8 1009.9 1005.3 998.4 994.3 996.1 1003.0 1010.8 1017.9 1020.1 1009.0 MAX. QFF PRESSURE IN HPA 1028.0 1023.4 1021.0 1015.0 1010.1 1007.4 999.1 1000.1 1009.0 1015.5 1026.7 1026.5 1028.0 DAY 6 7 10 9 18 3 22 30 29 22 25 23 MIN. QFF PRESSURE IN HPA 1006.6 1002.8 1007.9 1004.5 999.5 991.9 991.1 991.7 998.3 1006.1 1010.0 1015.5 991.1 DAY 15 22 31 16 29 29 15 13 1 1 3 3 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 1004.4 1000.6 999.0 994.6 990.4 983.7 979.6 981.8 988.2 995.6 1001.8 1003.7 993.6 MAX. QFE PRESSURE IN HPA 1010.7 1007.7 1004.9 999.3 995.0 992.1 985.0 985.2 994.3 999.6 1010.0 1009.6 1010.7 DAY 6 6 9 9 18 3 22 31 29 21 25 23 MIN. QFE PRESSURE IN HPA 991.1 988.2 992.0 988.0 984.7 977.7 975.6 977.4 983.6 991.2 993.0 998.0 975.6 DAY 15 22 2 15 29 29 15 13 1 1 3 17 MEAN QNH PRESSURE IN HPA 1021.3 1017.4 1015.8 1011.4 1007.1 1000.3 996.2 998.3 1004.9 1012.3 1018.7 1020.6 1010.3 MAX. QNH PRESSURE IN HPA 1027.7 1024.6 1021.8 1016.1 1011.7 1008.8 1001.6 1001.8 1011.0 1016.4 1027.0 1026.5 1027.7 DAY 6 6 9 9 18 3 22 31 29 21 25 23 MIN. QNH PRESSURE IN HPA 1007.8 1004.9 1008.7 1004.6 1001.3 994.2 992.1 993.9 1000.2 1007.9 1009.7 1014.8 992.1 DAY 15 22 2 15 29 29 15 13 1 1 3 17 MEAN QFF PRESSURE IN HPA 1021.9 1017.6 1015.9 1011.0 1006.3 999.3 995.1 997.3 1004.0 1011.9 1018.9 1021.0 1010.0 MAX. QFF PRESSURE IN HPA 1028.4 1025.2 1022.1 1016.0 1011.2 1007.9 1000.4 1000.9 1010.3 1016.1 1027.6 1026.9 1028.4 DAY 6 6 9 9 18 3 22 31 29 21 25 23 MIN. QFF PRESSURE IN HPA 1008.2 1005.0 1008.5 1004.2 1000.4 993.1 991.0 992.8 999.3 1007.2 1009.5 1015.1 991.0 DAY 15 22 31 15 29 29 15 13 1 1 3 17 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 1004.8 1000.8 999.5 994.9 990.7 984.0 980.0 982.2 988.6 995.7 1002.0 1003.9 993.9 MAX. QFE PRESSURE IN HPA 1010.7 1007.8 1004.9 999.8 995.4 992.3 985.4 985.3 995.4 1000.0 1010.5 1009.6 1010.7 DAY 6 6 9 9 18 3 22 30 28 21 25 23 MIN. QFE PRESSURE IN HPA 995.3 989.0 992.2 988.0 983.2 977.5 976.2 978.0 983.4 991.0 992.5 998.0 976.2 DAY 14 22 2 15 29 28 15 13 1 1 3 17 MEAN QNH PRESSURE IN HPA 1021.7 1017.6 1016.3 1011.6 1007.4 1000.6 996.5 998.7 1005.2 1012.5 1018.8 1020.7 1010.6 MAX. QNH PRESSURE IN HPA 1027.7 1024.7 1021.8 1016.6 1012.1 1009.0 1002.0 1001.9 1012.1 1016.8 1027.5 1026.5 1027.7 DAY 6 6 9 9 18 3 22 30 28 21 25 23 MIN. QNH PRESSURE IN HPA 1012.0 1005.7 1008.9 1004.6 999.8 994.0 992.7 994.5 1000.0 1007.7 1009.2 1014.8 992.7 DAY 14 22 2 15 29 28 15 13 1 1 3 17 MEAN QFF PRESSURE IN HPA 1022.1 1017.8 1016.3 1011.2 1006.6 999.6 995.4 997.6 1004.3 1011.9 1018.9 1021.0 1010.2 MAX. QFF PRESSURE IN HPA 1028.1 1025.1 1022.0 1016.4 1011.6 1008.0 1000.8 1000.9 1011.3 1016.4 1028.0 1027.0 1028.1 DAY 6 6 9 9 18 3 22 30 28 21 25 23 MIN. QFF PRESSURE IN HPA 1012.3 1005.9 1008.6 1004.1 998.9 992.8 991.6 993.3 999.0 1007.0 1008.8 1015.0 991.6 DAY 14 22 2 15 29 28 15 13 1 1 3 17 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1974 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 9.8 11.8 17.6 21.4 30.0 35.2 36.0 35.1 31.0 25.2 18.4 10.8 23.5 MINIMUN AIR TEMPERATURE (C) 6.1 7.0 12.5 14.4 20.4 24.3 24.6 24.8 21.2 16.0 10.6 5.7 15.6 DAYS WITH MINIMUM TEMP. >=21 0 0 0 2 13 28 31 25 16 5 1 0 121 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 4 4 TEMPERATURE RECORDS LOWEST(C) 1.0 1.0 7.0 8.0 14.0 19.0 21.0 19.0 15.0 9.0 5.0 -1.0 -1.0 DAY 26 7 2 12 6 3 1 19 24 27 28 28 MAXIMUM AIR TEMPERATURE (C) 14.7 17.3 23.2 28.2 37.4 43.8 44.8 43.7 40.3 35.2 28.3 17.0 31.2 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 14 31 30 31 31 30 31 15 0 213 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 21.0 23.0 27.0 36.0 42.0 49.0 49.0 47.0 43.0 38.0 34.0 24.0 49.0 DAY 5 26 15 17 31 22 3 4 8 2 1 1 DIF. BETWEEN (MAX.-MIN.) (C) 8.6 10.3 10.7 13.8 17.0 19.5 20.2 18.9 19.1 19.2 17.7 11.3 15.6 MEAN DAILY TEMP. (MDT) (C) 10.4 12.1 17.9 21.3 28.9 34.0 34.7 34.2 30.7 25.6 19.5 11.4 23.4 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.5 49.5 244.0 391.5 425.5 410.5 292.0 144.0 15.0 0.0 1972.5 HEATING DEG. DAYS(BASE 18 0C) 236.5 164.5 33.0 8.5 0.0 0.0 0.0 0.0 0.0 0.0 16.0 206.0 664.5 DEWPOINT (MEAN C) 6.6 6.7 11.2 10.5 9.5 10.4 11.5 12.4 10.0 9.8 6.8 7.4 9.4 MIXING RATIO (G/KG) 6.20 6.32 8.58 8.26 7.82 8.31 8.93 9.73 7.98 7.90 6.38 6.65 7.75 VAPOUR PRESSURE (HPA) 9.88 10.06 13.58 13.03 12.29 12.96 13.86 15.11 12.52 12.48 10.16 10.59 12.21 SATURATION DEF. (HPA) 2.55 4.20 7.21 14.02 32.71 47.55 48.96 44.56 35.71 22.32 12.66 2.92 22.95 RELATIVE HUMIDITY (MEAN %) 82 74 69 55 32 24 25 28 30 42 52 82 50 RELATIVE HUMIDITY (MAX. %) 95 91 88 79 55 45 45 47 50 63 75 95 69 RELATIVE HUMIDITY (MIN. %) 64 52 48 34 18 14 13 17 15 21 26 58 32 RELATIVE HUMIDITY (MEAN% 03UTC) 92 86 85 77 53 43 44 44 45 58 71 93 66 RELATIVE HUMIDITY (MEAN% 09UTC) 70 60 57 39 22 18 18 20 19 24 30 63 37 RELATIVE HUMIDITY (MEAN% 15UTC) 74 63 54 41 22 16 16 20 22 39 51 77 41 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 242.6 142.3 35.0 52.0 3.4 0.0 0.0 0.0 0.0 0.0 8.0 147.0 630.3 DAYS WITH PRECIPITATION >=10 8 5 1 2 0 0 0 0 0 0 0 6 22 DAYS WITH PRECIPITATION >= 5 11 6 2 3 0 0 0 0 0 0 1 6 29 DAYS WITH PRECIPITATION >= 1 17 12 8 5 1 0 0 0 0 0 1 8 52 DAYS WITH PRECIPITATION 18 14 12 5 2 0 0 0 0 0 2 9 62 GREATEST DAILY PRECIPITATION 74.0 32.0 14.0 25.0 3.0 0.0 0.0 0.0 0.0 0.0 8.0 35.0 74.0 DAY 14 18 31 1 24 ** ** ** ** ** 21 5 DAY WITH THUNDER STORM 3 2 1 3 2 0 0 0 0 0 2 1 14 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 3 3 6 16 8 12 10 8 4 5 6 0 81 WIND DIRECTION (PREVAILING) 135 315 45 225 225 225 225 225 225 180 225 90 225 PREVAILING WIND SPEED(KNOTS) 10.2 9.9 9.5 10.1 7.5 9.5 9.1 8.6 9.5 6.6 7.6 7.9 8.9 PREVAILING WIND PERCENT 14.9 17.0 10.5 12.9 19.0 26.3 25.0 16.9 12.9 8.9 8.3 6.5 12.4 CALMS PERCENT OF WIND 47.6 42.4 45.2 39.6 33.5 37.1 40.3 44.8 48.8 59.3 66.7 69.4 47.9 NO. OF WIND OBSERVATION 248 224 248 240 248 240 248 248 240 248 240 248 2920 VECTOR WIND DIRECTION (MEAN) 116 7 358 184 260 243 212 243 226 181 276 90 237 VECTOR WIND MAGNITUDE(KNOTS) 0.5 2.2 0.6 1.1 2.4 3.6 3.3 2.2 2.1 0.5 0.3 0.7 1.0 WIND STEADINESES (MEAN %) 9.8 37.9 12.2 19.0 40.7 61.0 67.3 40.7 47.7 15.2 10.3 25.9 21.3 WIND SPEED (MEAN KNOTS) 5.1 5.8 4.9 5.8 5.9 5.9 4.9 5.4 4.4 3.3 2.9 2.7 4.7 FASTEST WIND DIRECTION 300 90 330 330 280 230 240 340 240 30 310 30 300 FASTEST WIND SPEED (KNOTS) 30 25 30 20 25 22 25 25 20 25 20 25 30 DAY 18 26 27 10 13 2 4 22 9 4 1 4 DAYS WITH SKY CLEAR (0-2)/8 6 10 6 12 19 30 29 31 26 25 22 13 229 DAYS WITH P.CLOUDY (3-6)/8 12 8 12 11 7 0 2 0 4 6 5 11 78 DAYS WITH CLOUDY (7-8)/8 13 10 13 7 5 0 0 0 0 0 3 7 58 DAYS WITH VISIBILITY =< 2 KM 8 2 2 0 0 0 0 0 0 0 0 6 18 DURATION OF SUNSHINE HOURS 102.2 148.4 169.4 206.1 302.3 350.4 343.2 352.4 302.8 263.4 161.5 98.5 2800.6 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1974 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1001.4 1001.7 998.9 994.5 990.8 984.0 980.7 982.6 989.2 996.0 1001.3 1003.1 993.7 MAX. QFE PRESSURE IN HPA 1013.7 1009.2 1006.8 1001.0 998.0 991.0 985.0 988.4 994.0 1000.9 1007.1 1009.8 1013.7 DAY-HOUR 25-21 5- 9 10- 9 12- 6 8- 6 8- 6 23- 6 25- 6 9- 6 22- 6 22- 6 29- 6 MIN. QFE PRESSURE IN HPA 989.7 990.6 990.7 987.7 982.6 978.4 972.9 978.4 983.2 989.9 995.8 991.3 972.9 DAY-HOUR 21-12 28-12 31-15 27-15 27-15 24-15 3-15 7-15 1- 0 1- 0 2-12 5-12 MEAN QNH PRESSURE IN HPA 1018.3 1018.5 1015.7 1011.2 1007.5 1000.5 997.3 999.2 1005.8 1012.8 1018.1 1019.9 1010.4 MAX. QNH PRESSURE IN HPA 1030.7 1026.1 1023.7 1017.8 1014.8 1007.7 1001.6 1005.1 1010.7 1017.7 1024.0 1026.7 1030.7 DAY-HOUR 25-21 5- 9 10- 9 12- 6 8- 6 8- 6 23- 6 25- 6 9- 6 22- 6 22- 6 29- 6 MIN. QNH PRESSURE IN HPA 1006.4 1007.3 1007.4 1004.3 999.2 994.9 989.3 994.9 999.8 1006.6 1012.6 1008.0 989.3 DAY-HOUR 21-12 28-12 31-15 27-15 27-15 24-15 3-15 7-15 1- 0 1- 0 2-12 5-12 MEAN QFF PRESSURE IN HPA 1018.7 1018.9 1015.7 1011.0 1006.8 999.5 996.2 998.2 1005.1 1012.3 1018.1 1020.3 1010.1 MAX. QFF PRESSURE IN HPA 1031.4 1026.6 1023.8 1018.1 1014.2 1006.8 1000.4 1004.0 1009.9 1017.5 1024.0 1027.6 1031.4 DAY-HOUR 25-21 5- 9 10- 9 12- 6 8- 6 8- 6 23- 6 25- 6 9- 6 22- 6 22- 6 29- 6 MIN. QFF PRESSURE IN HPA 1006.8 1007.3 1007.4 1003.9 998.4 993.8 988.3 993.8 999.0 1005.9 1012.1 1008.0 988.3 DAY-HOUR 21-12 28-12 31-15 27-15 27-21 24-15 3-15 7-15 1- 0 1- 0 2-12 5-12 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 1001.7 1001.7 998.3 994.2 990.5 983.7 980.3 982.2 988.7 995.8 1001.1 1003.0 993.4 MAX. QFE PRESSURE IN HPA 1012.4 1007.7 1004.2 998.8 995.4 989.7 983.4 987.0 991.7 998.8 1005.8 1008.5 1012.4 DAY 26 6 5 13 8 8 18 25 23 22 22 30 MIN. QFE PRESSURE IN HPA 989.8 993.8 992.0 989.7 982.8 978.9 975.0 979.2 983.2 989.9 996.8 994.3 975.0 DAY 18 28 31 20 28 20 4 8 1 1 2 5 MEAN QNH PRESSURE IN HPA 1018.5 1018.5 1015.1 1010.9 1007.2 1000.2 996.8 998.7 1005.3 1012.5 1017.9 1019.9 1010.1 MAX. QNH PRESSURE IN HPA 1029.4 1024.6 1021.1 1015.6 1012.1 1006.4 1000.0 1003.6 1008.4 1015.6 1022.7 1025.4 1029.4 DAY 26 6 5 13 8 8 18 25 23 22 22 30 MIN. QNH PRESSURE IN HPA 1006.5 1010.5 1008.7 1006.4 999.4 995.4 991.5 995.7 999.8 1006.6 1013.6 1011.0 991.5 DAY 18 28 31 20 28 20 4 8 1 1 2 5 MEAN QFF PRESSURE IN HPA 1019.0 1018.9 1015.0 1010.7 1006.5 999.2 995.8 997.7 1004.5 1012.0 1017.8 1020.2 1009.8 MAX. QFF PRESSURE IN HPA 1030.2 1025.1 1021.3 1015.7 1011.7 1005.6 999.0 1002.5 1007.5 1015.3 1022.7 1026.1 1030.2 DAY 26 6 5 13 8 8 18 25 23 22 22 30 MIN. QFF PRESSURE IN HPA 1006.9 1010.5 1008.7 1005.8 998.5 994.2 990.3 994.5 999.0 1005.9 1013.2 1011.2 990.3 DAY 18 28 31 20 28 25 4 8 1 1 2 5 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1001.3 1001.7 998.8 994.6 991.2 984.4 981.2 983.0 989.3 996.3 1001.3 1002.9 993.8 MAX. QFE PRESSURE IN HPA 1011.7 1007.7 1004.1 999.5 996.4 990.2 983.8 987.2 992.5 999.2 1005.6 1008.4 1011.7 DAY 26 5 10 12 8 8 18 25 27 22 22 29 MIN. QFE PRESSURE IN HPA 989.8 993.0 992.5 990.3 984.0 979.7 976.5 980.1 984.1 991.6 997.2 993.4 976.5 DAY 18 28 24 19 28 20 4 12 1 1 2 5 MEAN QNH PRESSURE IN HPA 1018.2 1018.5 1015.5 1011.4 1007.9 1001.0 997.7 999.6 1006.0 1013.1 1018.1 1019.8 1010.6 MAX. QNH PRESSURE IN HPA 1028.7 1024.6 1021.0 1016.3 1013.2 1006.9 1000.4 1003.8 1009.2 1016.0 1022.5 1025.3 1028.7 DAY 26 5 10 12 8 8 18 25 27 22 22 29 MIN. QNH PRESSURE IN HPA 1006.5 1009.7 1009.2 1007.0 1000.6 996.2 993.0 996.6 1000.7 1008.3 1014.0 1010.1 993.0 DAY 18 28 24 19 28 20 4 12 1 1 2 5 MEAN QFF PRESSURE IN HPA 1018.7 1018.9 1015.6 1011.2 1007.3 1000.0 996.8 998.7 1005.3 1012.8 1018.2 1020.3 1010.3 MAX. QFF PRESSURE IN HPA 1029.5 1025.2 1021.2 1016.6 1012.8 1006.1 999.5 1002.7 1008.8 1015.9 1022.7 1026.2 1029.5 DAY 26 5 10 12 8 8 18 25 27 22 22 29 MIN. QFF PRESSURE IN HPA 1007.0 1009.8 1009.2 1006.4 999.8 995.1 992.0 995.9 1000.1 1007.8 1013.8 1010.3 992.0 DAY 18 28 24 19 28 20 4 12 1 1 2 5 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1974 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1002.4 1002.8 1000.1 995.8 992.3 985.2 981.9 983.9 990.6 997.6 1002.6 1004.2 995.0 MAX. QFE PRESSURE IN HPA 1012.8 1008.9 1006.5 1001.0 998.0 991.0 985.0 988.4 994.0 1000.9 1007.1 1009.8 1012.8 DAY 26 5 10 12 8 8 23 25 9 22 22 29 MIN. QFE PRESSURE IN HPA 990.3 996.4 994.1 990.8 985.0 981.2 977.1 980.8 985.0 992.7 998.4 993.1 977.1 DAY 18 18 31 19 28 24 3 12 1 1 2 5 MEAN QNH PRESSURE IN HPA 1019.3 1019.7 1016.9 1012.5 1009.0 1001.8 998.5 1000.5 1007.3 1014.4 1019.5 1021.0 1011.7 MAX. QNH PRESSURE IN HPA 1029.8 1025.8 1023.4 1017.8 1014.8 1007.7 1001.6 1005.1 1010.7 1017.7 1024.0 1026.7 1029.8 DAY 26 5 10 12 8 8 23 25 9 22 22 29 MIN. QNH PRESSURE IN HPA 1007.0 1013.2 1010.8 1007.5 1001.6 997.8 993.6 997.3 1001.6 1009.4 1015.2 1009.8 993.6 DAY 18 18 31 19 28 24 3 12 1 1 2 5 MEAN QFF PRESSURE IN HPA 1019.8 1020.1 1016.9 1012.3 1008.3 1000.8 997.4 999.4 1006.5 1013.9 1019.5 1021.5 1011.4 MAX. QFF PRESSURE IN HPA 1030.6 1026.4 1023.6 1018.1 1014.2 1006.8 1000.4 1004.0 1009.9 1017.5 1024.0 1027.6 1030.6 DAY 26 5 10 12 8 8 23 25 9 22 22 29 MIN. QFF PRESSURE IN HPA 1007.5 1013.6 1010.8 1006.9 1000.7 996.6 992.5 996.3 1000.9 1008.9 1014.9 1009.9 992.5 DAY 18 28 31 19 28 24 3 12 1 1 2 5 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1001.8 1002.6 1000.1 995.4 991.9 984.9 981.8 983.5 990.1 996.7 1001.8 1003.4 994.5 MAX. QFE PRESSURE IN HPA 1010.9 1009.2 1006.8 1001.0 996.9 990.7 984.9 987.6 993.7 1000.2 1006.0 1009.3 1010.9 DAY 26 5 10 12 2 8 23 25 9 22 18 29 MIN. QFE PRESSURE IN HPA 990.3 993.7 994.6 990.6 984.5 980.5 976.3 980.6 985.1 992.3 997.5 992.1 976.3 DAY 18 28 31 19 28 24 3 12 1 1 2 5 MEAN QNH PRESSURE IN HPA 1018.6 1019.4 1016.9 1012.2 1008.6 1001.5 998.4 1000.1 1006.8 1013.5 1018.7 1020.3 1011.2 MAX. QNH PRESSURE IN HPA 1027.9 1026.1 1023.7 1017.8 1013.7 1007.4 1001.5 1004.2 1010.4 1017.0 1022.9 1026.2 1027.9 DAY 26 5 10 12 2 8 23 25 9 22 18 29 MIN. QNH PRESSURE IN HPA 1007.0 1010.4 1011.3 1007.3 1001.1 997.0 992.8 997.1 1001.7 1009.0 1014.3 1008.8 992.8 DAY 18 28 31 19 28 24 3 12 1 1 2 5 MEAN QFF PRESSURE IN HPA 1019.0 1019.8 1016.9 1011.9 1007.8 1000.4 997.2 999.0 1005.9 1012.9 1018.5 1020.7 1010.8 MAX. QFF PRESSURE IN HPA 1028.5 1026.6 1023.8 1018.0 1013.2 1006.5 1000.3 1003.2 1009.5 1016.6 1022.9 1026.9 1028.5 DAY 26 5 10 12 2 8 23 25 9 22 21 29 MIN. QFF PRESSURE IN HPA 1007.5 1010.6 1011.4 1006.6 1000.3 995.8 991.6 996.0 1000.9 1008.4 1013.8 1008.9 991.6 DAY 18 28 31 19 28 24 3 12 1 1 2 5 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 1000.1 1000.8 998.5 993.9 990.2 983.5 980.4 982.2 988.6 995.0 1000.2 1002.1 993.0 MAX. QFE PRESSURE IN HPA 1009.0 1007.5 1004.6 999.8 995.4 989.0 983.2 985.9 991.7 998.7 1004.4 1007.9 1009.0 DAY 25 5 10 12 1 8 23 24 9 22 21 29 MIN. QFE PRESSURE IN HPA 989.7 990.6 992.5 988.8 983.3 979.1 974.3 979.1 984.1 990.6 995.8 991.3 974.3 DAY 21 28 31 19 27 24 3 12 1 3 2 5 MEAN QNH PRESSURE IN HPA 1016.9 1017.6 1015.3 1010.6 1006.9 1000.1 996.9 998.8 1005.2 1011.7 1017.0 1019.0 1009.7 MAX. QNH PRESSURE IN HPA 1025.9 1024.4 1021.5 1016.6 1012.1 1005.7 999.8 1002.5 1008.4 1015.5 1021.3 1024.8 1025.9 DAY 25 5 10 12 1 8 23 24 9 22 21 29 MIN. QNH PRESSURE IN HPA 1006.4 1007.3 1009.2 1005.5 999.9 995.6 990.8 995.6 1000.7 1007.3 1012.6 1008.0 990.8 DAY 21 28 31 19 27 24 3 12 1 3 2 5 MEAN QFF PRESSURE IN HPA 1017.4 1018.0 1015.2 1010.4 1006.2 999.1 995.9 997.7 1004.4 1011.2 1016.9 1019.3 1009.3 MAX. QFF PRESSURE IN HPA 1026.7 1024.9 1021.6 1016.8 1011.7 1004.9 998.6 1001.7 1007.5 1015.2 1021.2 1025.5 1026.7 DAY 25 5 10 12 1 8 23 26 9 22 21 29 MIN. QFF PRESSURE IN HPA 1006.8 1007.3 1009.2 1004.8 999.2 994.5 989.6 994.6 999.9 1006.6 1012.1 1008.0 989.6 DAY 21 28 31 19 27 24 3 12 1 3 2 5 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1974 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1000.6 1000.7 998.2 993.4 989.5 982.7 979.4 981.4 988.1 994.8 1000.4 1002.4 992.6 MAX. QFE PRESSURE IN HPA 1011.2 1007.6 1003.5 999.0 994.6 988.0 982.1 986.0 990.8 999.0 1005.5 1008.3 1011.2 DAY 25 5 10 12 1 8 17 24 22 22 21 29 MIN. QFE PRESSURE IN HPA 992.0 990.9 990.7 987.7 982.6 978.4 972.9 978.4 983.2 990.4 996.2 993.0 972.9 DAY 21 28 31 27 27 24 3 7 1 3 2 5 MEAN QNH PRESSURE IN HPA 1017.4 1017.5 1015.0 1010.1 1006.2 999.3 995.9 998.0 1004.8 1011.5 1017.2 1019.3 1009.4 MAX. QNH PRESSURE IN HPA 1028.2 1024.5 1020.4 1015.8 1011.3 1004.6 998.7 1002.6 1007.5 1015.8 1022.4 1025.2 1028.2 DAY 25 5 10 12 1 8 17 24 22 22 21 29 MIN. QNH PRESSURE IN HPA 1008.7 1007.6 1007.4 1004.3 999.2 994.9 989.3 994.9 999.8 1007.1 1013.0 1009.7 989.3 DAY 21 28 31 27 27 24 3 7 1 3 2 5 MEAN QFF PRESSURE IN HPA 1017.9 1017.9 1015.0 1010.0 1005.6 998.4 995.0 997.1 1004.1 1011.2 1017.3 1019.8 1009.1 MAX. QFF PRESSURE IN HPA 1029.0 1025.1 1020.6 1016.0 1011.0 1003.9 997.8 1001.6 1006.8 1015.7 1022.4 1026.0 1029.0 DAY 25 5 10 12 2 8 18 24 22 22 21 29 MIN. QFF PRESSURE IN HPA 1009.1 1007.7 1007.4 1003.9 998.5 993.8 988.3 993.8 999.2 1006.6 1012.9 1009.8 988.3 DAY 21 28 31 27 27 24 3 7 1 3 2 5 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 1001.7 1001.7 998.9 994.3 990.3 983.5 980.4 982.4 989.0 995.9 1001.4 1003.2 993.6 MAX. QFE PRESSURE IN HPA 1012.7 1007.9 1004.3 999.8 996.3 988.5 983.3 986.9 991.7 999.2 1006.5 1008.5 1012.7 DAY 25 3 4 12 1 7 1 24 22 22 21 28 MIN. QFE PRESSURE IN HPA 995.2 992.8 993.6 988.4 982.8 978.5 973.8 979.4 984.2 991.4 996.8 994.9 973.8 DAY 21 28 31 27 27 24 3 5 1 3 1 5 MEAN QNH PRESSURE IN HPA 1018.5 1018.5 1015.7 1011.0 1006.9 1000.1 996.9 998.9 1005.7 1012.7 1018.3 1020.1 1010.3 MAX. QNH PRESSURE IN HPA 1029.7 1024.8 1021.2 1016.6 1013.1 1005.2 999.9 1003.5 1008.4 1016.0 1023.4 1025.4 1029.7 DAY 25 3 4 12 1 7 1 24 22 22 21 28 MIN. QNH PRESSURE IN HPA 1011.9 1009.5 1010.3 1005.1 999.4 995.0 990.3 995.9 1000.8 1008.1 1013.6 1011.6 990.3 DAY 21 28 31 27 27 24 3 5 1 3 1 5 MEAN QFF PRESSURE IN HPA 1019.0 1018.9 1015.7 1010.8 1006.2 999.1 995.8 997.9 1004.9 1012.3 1018.3 1020.6 1010.0 MAX. QFF PRESSURE IN HPA 1030.5 1025.4 1021.4 1016.7 1012.6 1004.3 998.8 1002.5 1007.6 1015.9 1023.5 1026.3 1030.5 DAY 25 3 4 12 1 7 17 25 22 22 21 29 MIN. QFF PRESSURE IN HPA 1012.5 1009.5 1010.5 1004.6 998.6 993.9 989.0 994.8 1000.0 1007.5 1013.1 1011.7 989.0 DAY 21 28 31 27 27 24 3 5 1 3 1 5 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 1002.0 1001.8 998.9 994.6 990.6 983.9 980.7 982.6 989.1 996.2 1001.6 1003.4 993.8 MAX. QFE PRESSURE IN HPA 1013.7 1007.7 1004.7 1000.3 996.3 988.6 984.2 987.3 992.0 999.4 1007.0 1008.8 1013.7 DAY 25 5 4 12 1 8 8 25 22 6 21 29 MIN. QFE PRESSURE IN HPA 996.0 994.0 993.4 989.0 982.7 978.7 975.0 979.8 984.7 991.8 996.8 994.9 975.0 DAY 17 28 31 27 27 24 3 5 1 3 1 5 MEAN QNH PRESSURE IN HPA 1018.8 1018.6 1015.7 1011.3 1007.2 1000.4 997.2 999.2 1005.8 1012.9 1018.4 1020.2 1010.5 MAX. QNH PRESSURE IN HPA 1030.7 1024.6 1021.6 1017.1 1013.1 1005.3 1000.8 1003.9 1008.7 1016.2 1023.9 1025.7 1030.7 DAY 25 5 4 12 1 8 8 25 22 6 21 29 MIN. QNH PRESSURE IN HPA 1012.8 1010.7 1010.1 1005.7 999.3 995.2 991.5 996.3 1001.3 1008.5 1013.6 1011.6 991.5 DAY 17 28 31 27 27 24 3 5 1 3 1 5 MEAN QFF PRESSURE IN HPA 1019.3 1019.0 1015.6 1011.0 1006.5 999.4 996.1 998.1 1005.0 1012.4 1018.3 1020.6 1010.1 MAX. QFF PRESSURE IN HPA 1031.4 1025.1 1021.8 1017.2 1012.6 1004.3 999.8 1002.9 1007.8 1015.6 1023.9 1026.4 1031.4 DAY 25 5 4 12 1 8 8 25 22 6 21 29 MIN. QFF PRESSURE IN HPA 1013.2 1010.9 1010.2 1005.1 998.4 993.9 990.2 995.1 1000.5 1007.8 1013.1 1011.8 990.2 DAY 17 28 20 27 27 24 3 5 1 3 1 5 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1975 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 10.5 11.9 16.8 23.5 29.8 35.8 36.2 35.4 32.8 22.6 17.2 11.4 23.7 MINIMUN AIR TEMPERATURE (C) 5.6 6.1 9.0 15.4 20.8 25.3 26.0 25.4 23.0 11.7 10.2 7.6 15.5 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 15 28 31 31 18 1 0 0 124 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 0 4 0 0 0 0 0 0 0 0 0 0 4 TEMPERATURE RECORDS LOWEST(C) 1.0 -2.0 4.0 9.0 15.0 19.0 23.0 23.0 15.0 8.0 4.0 2.0 -2.0 DAY 15 13 4 5 7 15 3 12 28 17 30 15 MAXIMUM AIR TEMPERATURE (C) 16.9 18.0 24.3 30.9 37.2 43.5 45.0 44.7 41.8 34.4 26.4 16.5 31.6 DAYS WITH MAXIMUM TEMP. >=30 0 0 2 20 31 30 31 31 30 31 5 0 211 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 22.0 24.0 31.0 37.0 44.0 49.0 50.0 48.0 45.0 37.0 31.0 20.0 50.0 DAY 1 23 23 14 30 28 14 4 8 1 3 7 DIF. BETWEEN (MAX.-MIN.) (C) 11.3 11.9 15.3 15.5 16.4 18.2 19.0 19.3 18.8 22.7 16.2 8.9 16.1 MEAN DAILY TEMP. (MDT) (C) 11.3 12.1 16.6 23.1 29.0 34.4 35.5 35.0 32.4 23.0 18.3 12.1 23.6 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 1.5 70.5 249.0 402.5 450.5 435.5 341.5 64.0 5.0 0.0 2020.0 HEATING DEG. DAYS(BASE 18 0C) 208.5 166.5 68.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 23.0 184.0 650.0 DEWPOINT (MEAN C) 6.3 6.1 5.6 10.5 8.8 8.7 14.7 14.9 12.3 7.3 8.4 8.2 9.3 MIXING RATIO (G/KG) 6.09 6.20 5.91 8.21 7.58 7.52 11.12 11.18 9.53 6.64 7.15 6.96 7.84 VAPOUR PRESSURE (HPA) 9.72 9.86 9.38 12.95 11.91 11.73 17.20 17.31 14.88 10.50 11.35 11.09 12.32 SATURATION DEF. (HPA) 3.43 4.76 11.00 17.44 32.81 50.18 46.29 43.82 38.01 20.12 9.52 2.73 23.34 RELATIVE HUMIDITY (MEAN %) 78 72 53 48 32 22 30 32 32 42 61 83 49 RELATIVE HUMIDITY (MAX. %) 95 93 80 76 57 39 49 50 53 67 81 94 70 RELATIVE HUMIDITY (MIN. %) 52 46 27 27 16 12 17 18 16 18 33 63 29 RELATIVE HUMIDITY (MEAN% 03UTC) 92 91 77 74 55 39 48 48 49 64 78 90 67 RELATIVE HUMIDITY (MEAN% 09UTC) 58 53 34 32 21 16 22 23 21 20 38 71 34 RELATIVE HUMIDITY (MEAN% 15UTC) 69 56 35 35 22 14 23 23 26 40 59 81 40 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 88.0 58.3 3.2 24.1 1.0 0.0 0.0 0.0 0.0 0.0 33.0 172.3 379.9 DAYS WITH PRECIPITATION >=10 4 3 0 1 0 0 0 0 0 0 1 6 15 DAYS WITH PRECIPITATION >= 5 5 4 0 2 0 0 0 0 0 0 3 7 21 DAYS WITH PRECIPITATION >= 1 10 9 1 4 1 0 0 0 0 0 6 11 42 DAYS WITH PRECIPITATION 10 12 4 5 4 0 0 0 0 0 7 15 57 GREATEST DAILY PRECIPITATION 27.0 17.0 3.0 16.0 1.0 0.0 0.0 0.0 0.0 0.0 14.0 57.0 57.0 DAY 18 25 17 23 12 ** ** ** ** ** 11 22 DAY WITH THUNDER STORM 0 2 2 3 3 0 0 0 0 0 2 0 12 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 8 8 4 5 12 10 12 23 15 11 7 0 115 WIND DIRECTION (PREVAILING) 90 225 225 225 315 270 225 225 315 225 135 90 225 PREVAILING WIND SPEED(KNOTS) 10.1 6.9 10.4 8.6 11.2 10.9 9.5 8.4 12.4 8.7 8.7 8.4 8.8 PREVAILING WIND PERCENT 6.5 7.1 12.1 15.8 20.6 17.6 22.6 24.2 15.0 12.5 6.7 9.7 12.9 CALMS PERCENT OF WIND 66.1 58.0 42.3 43.8 30.6 28.6 47.2 35.1 41.7 59.3 62.9 57.7 47.7 NO. OF WIND OBSERVATION 248 224 248 240 248 238 248 248 240 248 240 248 2918 VECTOR WIND DIRECTION (MEAN) 101 129 220 212 297 252 215 219 264 230 131 91 236 VECTOR WIND MAGNITUDE(KNOTS) 0.5 0.6 0.2 1.2 3.6 3.3 3.2 3.6 2.3 1.6 0.6 1.3 1.2 WIND STEADINESES (MEAN %) 17.9 17.6 3.4 22.6 51.4 49.3 69.6 66.7 41.1 51.6 20.7 37.1 25.5 WIND SPEED (MEAN KNOTS) 2.8 3.4 5.9 5.3 7.0 6.7 4.6 5.4 5.6 3.1 2.9 3.5 4.7 FASTEST WIND DIRECTION 120 130 130 340 330 230 230 320 250 310 90 90 310 FASTEST WIND SPEED (KNOTS) 18 20 25 30 25 25 20 25 25 35 20 20 35 DAY 21 22 1 15 3 5 15 23 8 4 10 3 DAYS WITH SKY CLEAR (0-2)/8 12 9 19 11 19 28 31 30 25 30 17 6 237 DAYS WITH P.CLOUDY (3-6)/8 10 11 11 12 8 2 0 1 4 1 11 12 83 DAYS WITH CLOUDY (7-8)/8 9 8 1 7 4 0 0 0 1 0 2 13 45 DAYS WITH VISIBILITY =< 2 KM 5 4 0 0 0 1 0 2 3 1 0 12 28 DURATION OF SUNSHINE HOURS 111.4 160.7 275.9 238.3 298.5 338.9 348.5 329.2 278.4 293.7 177.1 80.5 2931.1 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1975 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1003.2 1001.3 998.3 995.4 990.5 983.0 980.6 981.0 987.5 994.5 1000.4 1002.9 993.2 MAX. QFE PRESSURE IN HPA 1009.6 1008.0 1004.0 1002.9 995.9 990.7 985.8 987.4 994.0 1002.4 1006.2 1008.5 1009.6 DAY-HOUR 15- 6 12- 9 4- 9 5- 6 2- 6 6- 6 27- 6 31- 6 18- 6 28- 6 22- 6 13- 6 MIN. QFE PRESSURE IN HPA 994.9 994.1 985.7 987.4 985.1 976.1 975.4 975.0 980.5 986.9 994.8 994.6 975.0 DAY-HOUR 18- 3 10-15 18- 3 22-12 12- 0 30-15 9-15 14-15 8-15 1-15 4-15 1-12 MEAN QNH PRESSURE IN HPA 1020.0 1018.1 1015.0 1012.1 1007.2 999.6 997.1 997.5 1004.2 1011.2 1017.2 1019.7 1009.9 MAX. QNH PRESSURE IN HPA 1026.5 1024.9 1020.9 1019.8 1012.7 1007.4 1002.4 1004.0 1010.7 1019.2 1023.1 1025.4 1026.5 DAY-HOUR 15- 6 12- 9 4- 9 5- 6 2- 6 6- 6 27- 6 31- 6 18- 6 28- 6 22- 6 13- 6 MIN. QNH PRESSURE IN HPA 1011.6 1010.8 1002.3 1004.0 1001.7 992.6 991.9 991.5 997.0 1003.5 1011.5 1011.3 991.5 DAY-HOUR 18- 3 10-15 18- 3 22-12 12- 0 30-15 9-15 14-15 8-15 1-15 4-15 1-12 MEAN QFF PRESSURE IN HPA 1020.5 1018.4 1015.1 1011.8 1006.5 998.5 996.0 996.5 1003.3 1010.9 1017.2 1020.1 1009.6 MAX. QFF PRESSURE IN HPA 1027.2 1025.7 1021.2 1019.5 1012.1 1006.3 1001.4 1002.9 1009.9 1019.2 1023.4 1026.0 1027.2 DAY-HOUR 15- 6 12- 9 4- 9 5- 6 2- 6 6- 6 27- 6 31- 6 18- 6 28- 6 22- 6 13- 6 MIN. QFF PRESSURE IN HPA 1012.1 1011.2 1002.0 1003.7 1001.1 991.5 990.8 990.6 996.2 1002.7 1011.4 1011.5 990.6 DAY-HOUR 18- 3 10-15 18- 3 22-12 12- 0 30-15 9-15 14-15 8-15 1-15 1- 0 1-12 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 1003.3 1001.4 998.4 995.3 990.0 982.9 980.3 980.9 987.3 994.2 1000.1 1002.8 993.1 MAX. QFE PRESSURE IN HPA 1008.3 1007.4 1003.2 1001.6 994.1 987.8 984.4 985.5 993.0 1002.0 1004.2 1007.7 1008.3 DAY 15 13 5 5 2 7 28 26 18 29 22 25 MIN. QFE PRESSURE IN HPA 996.4 995.6 989.5 989.0 985.1 977.5 976.6 976.3 981.3 988.5 995.1 996.8 976.3 DAY 18 10 27 15 12 30 9 15 9 2 1 30 MEAN QNH PRESSURE IN HPA 1020.1 1018.2 1015.2 1012.0 1006.7 999.5 996.9 997.4 1004.0 1011.0 1016.9 1019.6 1009.8 MAX. QNH PRESSURE IN HPA 1025.2 1024.3 1020.1 1018.4 1010.8 1004.4 1001.0 1002.1 1009.7 1018.8 1021.1 1024.6 1025.2 DAY 15 13 5 5 2 7 28 26 18 29 22 25 MIN. QNH PRESSURE IN HPA 1013.2 1012.4 1006.2 1005.7 1001.7 994.0 993.1 992.8 997.9 1005.2 1011.8 1013.6 992.8 DAY 18 10 27 15 12 30 9 15 9 2 1 30 MEAN QFF PRESSURE IN HPA 1020.5 1018.5 1015.3 1011.6 1006.0 998.4 995.8 996.3 1003.0 1010.6 1016.9 1020.0 1009.4 MAX. QFF PRESSURE IN HPA 1025.6 1025.2 1020.4 1018.2 1010.3 1003.4 999.8 1001.1 1008.8 1018.6 1021.1 1025.2 1025.6 DAY 15 13 5 5 2 7 28 26 18 29 22 25 MIN. QFF PRESSURE IN HPA 1013.6 1012.7 1006.0 1005.0 1001.1 992.7 991.8 991.8 996.9 1004.5 1011.4 1013.9 991.8 DAY 18 25 27 15 12 30 9 15 9 2 1 30 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1002.9 1001.2 998.3 995.8 990.8 983.4 980.9 981.4 987.9 994.5 1000.4 1002.5 993.3 MAX. QFE PRESSURE IN HPA 1009.5 1006.5 1002.9 1001.6 994.8 987.8 985.2 985.9 992.9 1000.8 1004.6 1007.2 1009.5 DAY 15 13 5 5 2 6 28 26 18 29 22 25 MIN. QFE PRESSURE IN HPA 994.9 996.3 985.7 989.4 988.6 977.9 976.9 976.6 982.0 989.4 996.2 995.5 976.6 DAY 18 10 18 22 23 30 10 14 9 4 5 2 MEAN QNH PRESSURE IN HPA 1019.8 1018.1 1015.1 1012.5 1007.5 1000.0 997.5 998.0 1004.5 1011.2 1017.2 1019.4 1010.1 MAX. QNH PRESSURE IN HPA 1026.4 1023.4 1019.8 1018.4 1011.5 1004.4 1001.8 1002.5 1009.6 1017.6 1021.5 1024.1 1026.4 DAY 15 13 5 5 2 6 28 26 18 29 22 25 MIN. QNH PRESSURE IN HPA 1011.6 1013.1 1002.3 1006.1 1005.3 994.4 993.4 993.1 998.6 1006.1 1013.0 1012.3 993.1 DAY 18 10 18 22 23 30 10 14 9 4 5 2 MEAN QFF PRESSURE IN HPA 1020.3 1018.5 1015.2 1012.3 1006.9 999.1 996.5 997.1 1003.7 1011.1 1017.4 1019.8 1009.8 MAX. QFF PRESSURE IN HPA 1027.1 1024.3 1020.2 1018.4 1011.1 1003.6 1000.8 1001.7 1008.8 1017.7 1021.8 1024.9 1027.1 DAY 15 13 5 5 2 12 28 26 18 29 22 25 MIN. QFF PRESSURE IN HPA 1012.1 1013.5 1002.0 1005.7 1004.3 993.3 992.4 992.2 997.8 1005.7 1013.1 1012.5 992.2 DAY 18 10 18 22 23 30 10 14 9 4 5 2 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1975 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1004.3 1002.5 999.5 997.0 991.7 984.2 981.8 982.4 989.1 995.7 1001.8 1004.0 994.5 MAX. QFE PRESSURE IN HPA 1009.6 1007.7 1004.0 1002.9 995.9 990.7 985.8 987.4 994.0 1002.4 1006.2 1008.5 1009.6 DAY 15 19 14 5 2 6 27 31 18 28 22 13 MIN. QFE PRESSURE IN HPA 996.5 998.1 986.3 992.2 988.2 978.0 977.6 977.5 982.6 990.1 997.6 996.4 977.5 DAY 18 10 18 15 12 30 9 14 9 10 4 2 MEAN QNH PRESSURE IN HPA 1021.2 1019.3 1016.3 1013.7 1008.4 1000.8 998.3 999.0 1005.8 1012.5 1018.6 1020.9 1011.2 MAX. QNH PRESSURE IN HPA 1026.5 1024.6 1020.9 1019.8 1012.7 1007.4 1002.4 1004.0 1010.7 1019.2 1023.1 1025.4 1026.5 DAY 15 19 14 5 2 6 27 31 18 28 22 13 MIN. QNH PRESSURE IN HPA 1013.3 1014.9 1002.9 1008.9 1004.9 994.5 994.1 994.0 999.2 1006.8 1014.4 1013.2 994.0 DAY 18 10 18 15 12 30 9 14 9 10 4 2 MEAN QFF PRESSURE IN HPA 1021.7 1019.7 1016.3 1013.4 1007.7 999.7 997.2 997.9 1004.9 1012.2 1018.7 1021.3 1010.9 MAX. QFF PRESSURE IN HPA 1027.2 1025.4 1021.0 1019.5 1012.1 1006.3 1001.4 1002.9 1009.9 1019.2 1023.4 1026.0 1027.2 DAY 15 12 14 5 2 6 27 31 18 28 22 13 MIN. QFF PRESSURE IN HPA 1013.7 1014.9 1002.7 1008.3 1004.3 993.2 992.9 993.0 998.2 1006.4 1014.3 1013.4 992.9 DAY 18 25 18 15 12 30 9 14 9 10 4 2 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1003.6 1002.2 999.1 996.3 991.4 983.9 981.5 982.0 988.6 995.3 1001.1 1003.5 994.0 MAX. QFE PRESSURE IN HPA 1008.8 1008.0 1004.0 1002.4 995.2 990.4 985.6 987.0 994.0 1001.7 1005.6 1008.1 1008.8 DAY 15 12 4 4 1 6 28 26 18 28 22 24 MIN. QFE PRESSURE IN HPA 996.8 997.2 987.2 991.0 987.6 978.6 977.5 976.9 982.7 989.8 996.6 996.4 976.9 DAY 18 10 18 22 12 30 9 14 9 1 4 2 MEAN QNH PRESSURE IN HPA 1020.5 1019.1 1015.9 1013.0 1008.1 1000.5 998.1 998.5 1005.2 1012.0 1018.0 1020.4 1010.8 MAX. QNH PRESSURE IN HPA 1025.7 1024.9 1020.9 1019.2 1011.9 1007.1 1002.2 1003.6 1010.7 1018.5 1022.5 1025.0 1025.7 DAY 15 12 4 4 1 6 28 26 18 28 22 24 MIN. QNH PRESSURE IN HPA 1013.6 1014.0 1003.8 1007.7 1004.2 995.1 994.0 993.4 999.3 1006.5 1013.4 1013.2 993.4 DAY 18 10 18 22 12 30 9 14 9 1 4 2 MEAN QFF PRESSURE IN HPA 1020.9 1019.4 1015.9 1012.6 1007.4 999.5 996.9 997.4 1004.3 1011.6 1017.9 1020.7 1010.4 MAX. QFF PRESSURE IN HPA 1026.1 1025.7 1021.2 1019.0 1011.4 1006.0 1001.1 1002.6 1009.8 1018.3 1022.5 1025.7 1026.1 DAY 15 12 4 4 1 6 28 26 18 28 22 24 MIN. QFF PRESSURE IN HPA 1014.1 1013.9 1003.6 1007.3 1003.6 993.8 992.8 992.4 998.3 1005.5 1013.1 1013.4 992.4 DAY 18 25 18 22 12 30 9 14 9 1 4 2 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 1002.2 1000.4 997.1 994.5 990.1 982.6 980.1 980.4 986.7 993.7 999.5 1002.0 992.4 MAX. QFE PRESSURE IN HPA 1007.6 1007.2 1002.4 1000.2 995.3 987.9 984.2 985.1 991.8 999.8 1003.4 1006.6 1007.6 DAY 15 12 4 4 2 6 6 26 18 28 21 24 MIN. QFE PRESSURE IN HPA 996.0 994.2 986.5 987.4 986.7 977.1 976.3 975.7 980.7 987.7 995.1 994.6 975.7 DAY 18 2 18 22 12 30 9 14 9 1 4 1 MEAN QNH PRESSURE IN HPA 1019.1 1017.2 1013.9 1011.2 1006.8 999.2 996.6 996.9 1003.3 1010.5 1016.3 1018.8 1009.1 MAX. QNH PRESSURE IN HPA 1024.5 1024.1 1019.2 1017.0 1012.0 1004.5 1000.8 1001.7 1008.5 1016.6 1020.3 1023.5 1024.5 DAY 15 12 4 4 2 6 6 26 18 28 21 24 MIN. QNH PRESSURE IN HPA 1012.8 1010.9 1003.1 1004.0 1003.3 993.6 992.8 992.2 997.2 1004.3 1011.8 1011.3 992.2 DAY 18 2 18 22 12 30 9 14 9 1 4 1 MEAN QFF PRESSURE IN HPA 1019.4 1017.6 1013.9 1010.8 1006.1 998.1 995.5 995.8 1002.4 1010.1 1016.2 1019.2 1008.8 MAX. QFF PRESSURE IN HPA 1024.9 1024.9 1019.6 1016.8 1011.6 1003.5 999.8 1000.7 1007.6 1016.4 1020.3 1024.1 1024.9 DAY 15 12 4 4 2 6 6 26 18 28 21 24 MIN. QFF PRESSURE IN HPA 1013.3 1011.2 1002.9 1003.7 1002.5 992.4 991.6 991.1 996.3 1003.5 1011.6 1011.5 991.1 DAY 18 2 18 22 31 30 9 14 9 1 4 1 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1975 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1002.5 1000.1 997.1 994.0 989.4 981.7 979.2 979.6 986.0 993.6 999.5 1002.1 992.1 MAX. QFE PRESSURE IN HPA 1007.8 1007.0 1002.7 999.7 994.3 986.7 983.4 984.6 991.6 999.8 1003.5 1006.8 1007.8 DAY 15 12 4 2 1 6 6 31 18 28 21 24 MIN. QFE PRESSURE IN HPA 997.5 994.1 986.7 987.9 986.2 976.1 975.4 975.0 980.5 986.9 994.8 994.9 975.0 DAY 18 10 26 14 31 30 9 14 8 1 4 1 MEAN QNH PRESSURE IN HPA 1019.3 1017.0 1013.9 1010.7 1006.1 998.3 995.8 996.1 1002.7 1010.3 1016.4 1018.9 1008.8 MAX. QNH PRESSURE IN HPA 1024.7 1023.9 1019.6 1016.5 1011.0 1003.3 1000.0 1001.2 1008.3 1016.6 1020.4 1023.7 1024.7 DAY 15 12 4 2 1 6 6 31 18 28 21 24 MIN. QNH PRESSURE IN HPA 1014.3 1010.8 1003.3 1004.5 1002.8 992.6 991.9 991.5 997.0 1003.5 1011.5 1011.6 991.5 DAY 18 10 26 14 31 30 9 14 8 1 4 1 MEAN QFF PRESSURE IN HPA 1019.8 1017.4 1014.0 1010.5 1005.5 997.4 994.7 995.2 1001.9 1010.2 1016.5 1019.3 1008.5 MAX. QFF PRESSURE IN HPA 1025.3 1024.8 1020.0 1016.6 1010.6 1002.5 999.1 1000.2 1007.4 1016.6 1020.7 1024.4 1025.3 DAY 15 12 4 2 2 6 6 31 18 28 22 24 MIN. QFF PRESSURE IN HPA 1014.8 1011.2 1003.2 1004.1 1001.8 991.5 990.8 990.6 996.2 1002.7 1011.4 1011.9 990.6 DAY 18 10 26 14 31 30 9 14 8 1 4 1 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 1003.3 1001.0 998.2 994.8 990.1 982.5 980.2 980.4 987.2 994.4 1000.4 1003.0 993.0 MAX. QFE PRESSURE IN HPA 1008.0 1007.5 1003.2 1001.2 995.2 987.2 984.2 985.7 992.5 1001.0 1004.6 1007.2 1008.0 DAY 15 12 4 2 1 6 2 31 18 28 21 24 MIN. QFE PRESSURE IN HPA 996.6 994.9 988.2 988.4 986.1 976.3 976.1 975.8 981.2 987.6 995.0 996.6 975.8 DAY 17 2 26 14 31 30 9 14 9 1 4 1 MEAN QNH PRESSURE IN HPA 1020.1 1017.9 1015.0 1011.5 1006.8 999.0 996.8 997.0 1003.8 1011.2 1017.2 1019.8 1009.7 MAX. QNH PRESSURE IN HPA 1024.9 1024.4 1020.1 1018.0 1011.9 1003.8 1000.8 1002.3 1009.2 1017.8 1021.5 1024.1 1024.9 DAY 15 12 4 2 1 6 2 31 18 28 21 24 MIN. QNH PRESSURE IN HPA 1013.4 1011.6 1004.9 1005.1 1002.7 992.8 992.6 992.3 997.8 1004.2 1011.7 1013.4 992.3 DAY 17 2 26 14 31 30 9 14 9 1 4 1 MEAN QFF PRESSURE IN HPA 1020.7 1018.3 1015.1 1011.1 1006.1 998.0 995.7 995.9 1003.0 1010.9 1017.3 1020.3 1009.4 MAX. QFF PRESSURE IN HPA 1025.6 1025.3 1020.4 1017.9 1011.6 1002.9 999.8 1001.3 1008.4 1017.8 1021.7 1024.9 1025.6 DAY 15 12 4 2 1 12 2 31 18 28 21 24 MIN. QFF PRESSURE IN HPA 1013.8 1011.9 1004.6 1004.4 1001.7 991.6 991.4 991.4 997.0 1003.5 1011.6 1013.6 991.4 DAY 17 2 26 14 31 30 9 14 9 1 4 1 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 1003.3 1001.2 998.4 995.4 990.3 982.7 980.7 980.8 987.5 994.6 1000.4 1003.2 993.2 MAX. QFE PRESSURE IN HPA 1008.2 1007.7 1003.4 1001.4 995.6 987.6 984.8 986.3 993.2 1002.0 1004.6 1007.9 1008.2 DAY 15 12 3 2 1 6 27 31 18 28 21 24 MIN. QFE PRESSURE IN HPA 996.5 994.9 988.7 989.0 986.4 976.7 976.9 975.9 981.5 988.0 995.7 997.1 975.9 DAY 17 9 26 14 31 30 8 14 9 1 4 2 MEAN QNH PRESSURE IN HPA 1020.2 1018.1 1015.2 1012.1 1007.0 999.3 997.2 997.4 1004.2 1011.3 1017.2 1020.0 1009.9 MAX. QNH PRESSURE IN HPA 1025.1 1024.6 1020.3 1018.2 1012.4 1004.2 1001.4 1002.9 1009.9 1018.8 1021.5 1024.8 1025.1 DAY 15 12 3 2 1 6 27 31 18 28 21 24 MIN. QNH PRESSURE IN HPA 1013.3 1011.6 1005.4 1005.7 1003.0 993.2 993.4 992.4 998.1 1004.6 1012.5 1013.9 992.4 DAY 17 9 26 14 31 30 8 14 9 1 4 2 MEAN QFF PRESSURE IN HPA 1020.6 1018.4 1015.2 1011.7 1006.2 998.2 996.1 996.3 1003.2 1010.9 1017.1 1020.4 1009.5 MAX. QFF PRESSURE IN HPA 1025.6 1025.4 1020.6 1018.0 1011.8 1003.2 1000.3 1001.9 1008.9 1018.6 1021.5 1025.5 1025.6 DAY 15 12 3 2 1 14 27 31 18 28 21 24 MIN. QFF PRESSURE IN HPA 1013.6 1012.0 1005.0 1005.0 1001.9 992.0 992.2 991.4 997.2 1003.8 1012.2 1014.2 991.4 DAY 17 9 26 14 31 30 8 14 9 1 4 2 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1976 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 11.1 11.5 14.4 21.2 27.8 34.7 35.2 34.4 30.8 25.0 17.9 13.9 23.2 MINIMUN AIR TEMPERATURE (C) 7.2 6.7 8.7 15.0 19.1 24.2 25.1 25.6 21.1 16.4 10.9 8.0 15.7 DAYS WITH MINIMUM TEMP. >=21 0 0 0 1 9 26 30 31 12 3 0 0 112 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 3 0 0 0 0 0 0 0 0 0 3 TEMPERATURE RECORDS LOWEST(C) 1.0 1.0 -1.0 10.0 14.0 20.0 20.0 21.0 16.0 11.0 4.0 3.0 -1.0 DAY 4 12 2 9 1 1 5 24 20 24 30 1 MAXIMUM AIR TEMPERATURE (C) 15.5 16.9 20.5 27.8 35.5 43.7 43.9 43.8 40.8 34.5 27.6 21.7 31.0 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 11 30 30 31 31 30 29 9 0 201 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 19.0 20.0 26.0 34.0 40.0 47.0 49.0 49.0 44.0 40.0 33.0 28.0 49.0 DAY 26 3 28 28 30 15 31 5 6 7 8 16 DIF. BETWEEN (MAX.-MIN.) (C) 8.3 10.2 11.8 12.8 16.4 19.5 18.8 18.2 19.7 18.1 16.7 13.7 15.3 MEAN DAILY TEMP. (MDT) (C) 11.4 11.8 14.6 21.4 27.3 33.9 34.5 34.7 31.0 25.4 19.3 14.9 23.3 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 41.0 195.0 388.0 418.5 425.0 299.5 137.0 12.5 0.0 1916.5 HEATING DEG. DAYS(BASE 18 0C) 206.0 180.5 108.0 1.5 0.0 0.0 0.0 0.0 0.0 0.0 25.5 102.0 623.5 DEWPOINT (MEAN C) 8.2 6.7 8.5 12.8 10.5 9.5 13.7 14.6 9.2 10.7 7.8 8.5 10.1 MIXING RATIO (G/KG) 6.96 6.27 7.25 9.55 8.33 7.88 10.42 11.10 7.78 8.43 6.81 7.12 8.16 VAPOUR PRESSURE (HPA) 11.07 9.97 11.48 15.05 13.10 12.30 16.13 17.20 12.20 13.29 10.83 11.33 12.83 SATURATION DEF. (HPA) 2.40 3.98 5.84 11.29 26.59 46.99 44.39 40.49 35.50 20.70 11.25 5.31 21.23 RELATIVE HUMIDITY (MEAN %) 84 76 71 63 39 25 30 33 30 46 56 74 52 RELATIVE HUMIDITY (MAX. %) 97 94 94 86 65 44 47 50 51 67 78 90 72 RELATIVE HUMIDITY (MIN. %) 64 50 43 38 20 12 17 17 13 23 28 49 31 RELATIVE HUMIDITY (MEAN% 03UTC) 95 92 91 81 62 41 46 48 47 64 72 86 69 RELATIVE HUMIDITY (MEAN% 09UTC) 72 57 51 46 25 15 22 23 17 26 31 54 37 RELATIVE HUMIDITY (MEAN% 15UTC) 80 61 58 50 26 15 21 24 23 46 57 71 44 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 165.2 126.7 134.0 47.5 7.0 0.0 0.0 0.0 0.0 5.0 0.4 99.5 585.3 DAYS WITH PRECIPITATION >=10 6 4 2 1 0 0 0 0 0 0 0 3 16 DAYS WITH PRECIPITATION >= 5 9 4 6 2 0 0 0 0 0 1 0 5 27 DAYS WITH PRECIPITATION >= 1 12 11 8 7 3 0 0 0 0 1 0 5 47 DAYS WITH PRECIPITATION 16 12 11 11 3 0 0 0 0 2 3 6 64 GREATEST DAILY PRECIPITATION 34.0 52.0 79.0 27.0 4.0 0.0 0.0 0.0 0.0 5.0 0.3 54.0 79.0 DAY 21 10 21 5 14 ** ** ** ** 30 27 29 DAY WITH THUNDER STORM 3 1 5 8 3 0 0 0 0 5 1 3 29 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 2 1 4 6 10 18 18 10 8 7 4 4 92 WIND DIRECTION (PREVAILING) 90 90 45 225 225 225 225 225 315 315 90 135 225 PREVAILING WIND SPEED(KNOTS) 9.2 7.8 9.6 9.3 8.9 9.2 8.7 8.2 14.9 13.1 7.8 12.8 8.7 PREVAILING WIND PERCENT 8.9 11.2 7.3 8.3 14.5 15.4 19.0 18.1 12.9 6.0 3.8 2.4 9.3 CALMS PERCENT OF WIND 62.5 52.2 56.9 52.5 46.4 37.5 55.6 58.1 62.9 74.2 82.9 88.7 60.9 NO. OF WIND OBSERVATION 248 232 248 240 248 240 248 248 240 248 240 248 2928 VECTOR WIND DIRECTION (MEAN) 103 135 127 142 262 278 215 192 291 309 42 122 235 VECTOR WIND MAGNITUDE(KNOTS) 1.2 1.1 0.9 0.3 1.8 3.2 2.5 2.2 2.3 0.6 0.3 0.1 0.6 WIND STEADINESES (MEAN %) 38.7 28.2 24.3 7.1 31.0 49.2 64.1 68.7 57.5 24.0 21.4 9.1 16.7 WIND SPEED (MEAN KNOTS) 3.1 3.9 3.7 4.2 5.8 6.5 3.9 3.2 4.0 2.5 1.4 1.1 3.6 FASTEST WIND DIRECTION 90 130 60 110 270 270 270 230 330 330 90 130 330 FASTEST WIND SPEED (KNOTS) 25 20 22 25 30 30 20 15 35 30 12 25 35 DAY 21 9 12 17 6 10 12 1 29 14 23 10 DAYS WITH SKY CLEAR (0-2)/8 9 11 9 5 18 30 29 27 29 19 15 8 209 DAYS WITH P.CLOUDY (3-6)/8 7 8 15 15 7 0 2 4 1 12 12 12 95 DAYS WITH CLOUDY (7-8)/8 15 10 7 10 6 0 0 0 0 0 3 11 62 DAYS WITH VISIBILITY =< 2 KM 13 5 3 0 0 0 1 0 1 0 0 6 29 DURATION OF SUNSHINE HOURS 96.7 152.2 218.1 187.8 285.3 349.6 344.3 305.1 307.6 252.6 165.8 120.8 2785.9 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1976 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1002.0 999.7 998.0 995.8 991.9 984.4 980.2 982.3 989.2 994.8 999.9 1001.5 993.3 MAX. QFE PRESSURE IN HPA 1006.6 1005.2 1009.9 1000.9 999.8 990.3 984.6 987.4 996.7 1003.6 1004.0 1009.5 1009.9 DAY-HOUR 1-21 20- 6 3- 6 26- 6 14- 3 1- 6 6- 6 28- 6 21- 6 31- 9 1- 6 13- 6 MIN. QFE PRESSURE IN HPA 994.0 989.7 988.0 990.1 985.1 978.0 976.4 976.3 983.4 990.2 992.9 994.0 976.3 DAY-HOUR 31-12 10-15 13- 3 5- 3 27- 0 6-15 28-15 1-15 1- 0 19-15 27-15 10-12 MEAN QNH PRESSURE IN HPA 1018.9 1016.5 1014.8 1012.6 1008.6 1001.0 996.7 998.9 1005.9 1011.6 1016.7 1018.3 1010.0 MAX. QNH PRESSURE IN HPA 1023.5 1022.1 1026.9 1017.7 1016.6 1007.0 1001.2 1004.0 1013.5 1020.5 1020.9 1026.4 1026.9 DAY-HOUR 1-21 20- 6 3- 6 26- 6 14- 3 1- 6 6- 6 28- 6 21- 6 31- 9 1- 6 13- 6 MIN. QNH PRESSURE IN HPA 1010.7 1006.4 1004.6 1006.8 1001.7 994.5 992.9 992.8 1000.0 1006.9 1009.6 1010.7 992.8 DAY-HOUR 31-12 10-15 13- 3 5- 3 27- 0 6-15 28-15 1-15 1- 0 19-15 27-15 10-12 MEAN QFF PRESSURE IN HPA 1019.3 1016.8 1015.0 1012.4 1008.0 1000.0 995.7 997.9 1005.1 1011.1 1016.7 1018.6 1009.7 MAX. QFF PRESSURE IN HPA 1024.1 1022.5 1027.6 1017.5 1016.0 1006.2 1000.2 1003.2 1012.8 1020.2 1020.8 1027.0 1027.6 DAY-HOUR 2- 6 20- 6 3- 6 26- 6 14- 3 1- 6 6- 6 28- 6 21- 6 31- 6 1- 6 13- 6 MIN. QFF PRESSURE IN HPA 1011.0 1006.5 1004.8 1006.4 1000.9 993.7 991.7 991.7 999.1 1006.5 1009.4 1010.8 991.7 DAY-HOUR 31-12 10-15 13- 3 28-21 27- 0 6-15 28-15 1-15 1- 0 19-18 27-15 10-12 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 1002.1 999.7 997.7 995.6 991.5 984.0 979.8 981.9 988.8 994.3 999.6 1001.4 993.0 MAX. QFE PRESSURE IN HPA 1006.6 1004.2 1008.6 999.1 994.6 989.4 983.2 984.8 994.1 1000.2 1002.6 1007.8 1008.6 DAY 2 20 3 1 13 13 6 15 22 31 1 13 MIN. QFE PRESSURE IN HPA 995.8 993.7 989.4 990.5 985.1 978.3 977.0 977.1 983.4 990.8 994.2 996.7 977.0 DAY 31 5 13 29 27 6 31 2 1 20 28 30 MEAN QNH PRESSURE IN HPA 1019.0 1016.5 1014.4 1012.4 1008.2 1000.6 996.3 998.5 1005.5 1011.1 1016.4 1018.2 1009.8 MAX. QNH PRESSURE IN HPA 1023.5 1021.1 1025.5 1015.9 1011.3 1006.1 999.8 1001.4 1010.8 1017.0 1019.5 1024.7 1025.5 DAY 2 20 3 1 13 13 6 15 22 31 1 13 MIN. QNH PRESSURE IN HPA 1012.6 1010.4 1006.1 1007.2 1001.7 994.8 993.5 993.6 1000.0 1007.5 1010.9 1013.5 993.5 DAY 31 5 13 29 27 6 31 2 1 20 28 30 MEAN QFF PRESSURE IN HPA 1019.4 1016.8 1014.6 1012.1 1007.6 999.6 995.3 997.5 1004.6 1010.6 1016.3 1018.4 1009.4 MAX. QFF PRESSURE IN HPA 1024.0 1021.4 1026.3 1016.0 1010.8 1005.0 999.0 1000.5 1010.1 1016.9 1019.2 1025.1 1026.3 DAY 2 20 3 1 13 13 22 22 22 31 1 13 MIN. QFF PRESSURE IN HPA 1012.9 1010.7 1006.2 1006.7 1000.9 993.9 992.3 992.4 999.1 1007.0 1010.8 1013.7 992.3 DAY 31 5 13 29 27 6 31 2 1 20 28 30 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1001.9 999.4 997.8 995.6 992.2 984.7 980.4 982.7 989.2 994.8 999.8 1001.4 993.3 MAX. QFE PRESSURE IN HPA 1006.1 1004.6 1008.2 999.7 999.8 989.6 983.7 986.3 994.4 1001.1 1002.4 1008.1 1008.2 DAY 2 20 3 26 14 1 22 28 22 31 1 13 MIN. QFE PRESSURE IN HPA 996.6 991.1 988.0 990.1 985.1 979.0 977.6 977.5 984.4 991.7 994.5 996.5 977.5 DAY 31 5 13 5 27 6 11 2 3 8 28 29 MEAN QNH PRESSURE IN HPA 1018.7 1016.2 1014.5 1012.3 1008.9 1001.3 996.9 999.3 1005.9 1011.6 1016.6 1018.2 1010.0 MAX. QNH PRESSURE IN HPA 1023.0 1021.5 1025.1 1016.5 1016.6 1006.3 1000.3 1002.9 1011.1 1017.9 1019.2 1025.0 1025.1 DAY 2 20 3 26 14 1 22 28 22 31 1 13 MIN. QNH PRESSURE IN HPA 1013.4 1007.8 1004.6 1006.8 1001.7 995.5 994.1 994.0 1001.0 1008.4 1011.2 1013.3 994.0 DAY 31 5 13 5 27 6 11 2 3 8 28 29 MEAN QFF PRESSURE IN HPA 1019.2 1016.7 1014.8 1012.2 1008.4 1000.4 996.0 998.3 1005.2 1011.3 1016.7 1018.6 1009.8 MAX. QFF PRESSURE IN HPA 1023.6 1021.9 1026.0 1016.5 1016.0 1005.6 999.5 1002.1 1010.6 1017.9 1019.2 1025.6 1026.0 DAY 2 20 3 26 14 1 22 28 22 31 1 13 MIN. QFF PRESSURE IN HPA 1013.6 1008.1 1004.8 1006.6 1001.1 994.7 993.1 992.9 1000.4 1007.9 1011.2 1013.3 992.9 DAY 31 5 13 17 27 6 11 2 3 8 28 29 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1976 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1003.1 1000.6 999.1 996.9 993.1 985.6 981.1 983.7 990.5 996.2 1001.2 1002.8 994.5 MAX. QFE PRESSURE IN HPA 1006.6 1005.2 1009.9 1000.9 996.1 990.3 984.6 987.4 996.7 1003.4 1004.0 1009.5 1009.9 DAY 2 20 3 26 10 1 6 28 21 31 1 13 MIN. QFE PRESSURE IN HPA 996.2 991.3 992.8 992.0 986.4 979.9 978.6 977.7 985.3 992.3 995.0 997.7 977.7 DAY 31 5 14 17 27 6 31 2 3 8 28 30 MEAN QNH PRESSURE IN HPA 1020.0 1017.4 1015.9 1013.7 1009.8 1002.2 997.7 1000.3 1007.2 1013.0 1018.1 1019.6 1011.2 MAX. QNH PRESSURE IN HPA 1023.5 1022.1 1026.9 1017.7 1012.9 1007.0 1001.2 1004.0 1013.5 1020.3 1020.9 1026.4 1026.9 DAY 2 20 3 26 10 1 6 28 21 31 1 13 MIN. QNH PRESSURE IN HPA 1013.0 1008.0 1009.5 1008.7 1003.0 996.4 995.1 994.2 1001.9 1009.0 1011.7 1014.5 994.2 DAY 31 5 14 17 27 6 31 2 3 8 28 30 MEAN QFF PRESSURE IN HPA 1020.4 1017.8 1016.1 1013.5 1009.2 1001.2 996.6 999.3 1006.4 1012.5 1018.1 1019.9 1010.9 MAX. QFF PRESSURE IN HPA 1024.1 1022.5 1027.6 1017.5 1012.4 1006.2 1000.2 1003.2 1012.8 1020.2 1020.8 1027.0 1027.6 DAY 2 20 3 26 10 1 6 28 21 31 1 13 MIN. QFF PRESSURE IN HPA 1013.2 1008.3 1009.8 1008.2 1002.2 995.4 994.0 993.0 1001.2 1008.3 1011.8 1014.7 993.0 DAY 31 5 14 17 27 6 31 2 3 8 28 30 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1002.7 1000.4 998.7 996.9 992.9 985.4 981.1 983.3 990.2 995.8 1000.7 1002.1 994.2 MAX. QFE PRESSURE IN HPA 1006.6 1005.1 1009.9 1000.7 996.4 990.0 984.4 987.0 996.4 1003.6 1003.4 1008.6 1009.9 DAY 15 21 3 9 16 1 6 28 21 31 1 13 MIN. QFE PRESSURE IN HPA 996.2 991.5 992.1 992.1 986.0 979.7 978.8 977.8 985.5 992.3 994.7 995.2 977.8 DAY 31 10 21 29 27 6 28 2 3 8 28 10 MEAN QNH PRESSURE IN HPA 1019.5 1017.2 1015.5 1013.6 1009.6 1002.0 997.6 999.9 1006.9 1012.5 1017.5 1019.0 1010.9 MAX. QNH PRESSURE IN HPA 1023.5 1022.0 1026.9 1017.5 1013.2 1006.7 1001.0 1003.6 1013.2 1020.5 1020.3 1025.5 1026.9 DAY 15 21 3 9 16 1 6 28 21 31 1 13 MIN. QNH PRESSURE IN HPA 1013.0 1008.2 1008.8 1008.8 1002.6 996.2 995.3 994.3 1002.1 1009.0 1011.4 1011.9 994.3 DAY 31 10 21 29 27 6 28 2 3 8 28 10 MEAN QFF PRESSURE IN HPA 1019.9 1017.5 1015.7 1013.4 1009.0 1001.0 996.5 998.9 1006.1 1012.0 1017.4 1019.1 1010.5 MAX. QFF PRESSURE IN HPA 1023.9 1022.4 1027.6 1017.5 1012.7 1005.9 1000.0 1002.6 1012.4 1020.0 1020.1 1025.8 1027.6 DAY 15 21 3 9 16 1 6 28 21 31 1 13 MIN. QFF PRESSURE IN HPA 1013.2 1008.4 1009.0 1008.4 1001.8 995.3 994.0 993.2 1001.3 1008.3 1011.4 1012.0 993.2 DAY 31 10 21 29 27 6 28 2 3 8 28 10 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 1001.2 998.6 997.4 995.5 991.5 984.2 980.0 981.9 988.6 994.1 999.1 1000.7 992.7 MAX. QFE PRESSURE IN HPA 1005.7 1003.4 1007.3 999.4 995.2 988.6 983.3 984.8 994.8 1002.5 1002.5 1007.2 1007.3 DAY 15 21 3 9 12 12 6 28 21 31 1 13 MIN. QFE PRESSURE IN HPA 994.0 990.1 991.6 990.8 985.5 978.8 977.5 977.1 984.0 990.6 993.3 994.0 977.1 DAY 31 10 21 29 27 6 28 2 3 8 27 10 MEAN QNH PRESSURE IN HPA 1018.0 1015.4 1014.1 1012.2 1008.2 1000.8 996.5 998.5 1005.3 1010.8 1015.9 1017.5 1009.4 MAX. QNH PRESSURE IN HPA 1022.6 1020.3 1024.2 1016.2 1011.9 1005.3 999.9 1001.4 1011.5 1019.4 1019.4 1024.1 1024.2 DAY 15 21 3 9 12 12 6 28 21 31 1 13 MIN. QNH PRESSURE IN HPA 1010.7 1006.8 1008.3 1007.5 1002.1 995.3 994.0 993.6 1000.6 1007.3 1010.0 1010.7 993.6 DAY 31 10 21 29 27 6 28 2 3 8 27 10 MEAN QFF PRESSURE IN HPA 1018.4 1015.7 1014.3 1012.0 1007.6 999.8 995.5 997.4 1004.4 1010.3 1015.8 1017.6 1009.1 MAX. QFF PRESSURE IN HPA 1023.1 1020.6 1024.9 1016.1 1011.4 1004.3 999.0 1000.4 1010.9 1019.2 1019.0 1024.4 1024.9 DAY 15 21 3 9 12 12 6 28 21 31 1 13 MIN. QFF PRESSURE IN HPA 1011.0 1007.0 1008.6 1007.1 1001.3 994.4 992.7 992.4 999.8 1006.7 1009.7 1010.8 992.4 DAY 31 10 21 29 27 6 28 2 3 8 27 10 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1976 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1001.3 998.8 997.2 995.0 990.7 983.3 979.2 981.1 988.2 993.9 999.1 1000.8 992.4 MAX. QFE PRESSURE IN HPA 1005.6 1003.6 1006.9 998.7 995.7 988.3 982.7 983.9 994.4 1002.5 1002.6 1007.2 1007.2 DAY 15 20 2 9 12 12 6 21 21 31 1 13 MIN. QFE PRESSURE IN HPA 994.5 989.7 990.6 990.3 986.0 978.0 976.4 976.3 983.4 990.2 992.9 995.2 976.3 DAY 31 10 13 29 20 6 28 1 3 19 27 30 MEAN QNH PRESSURE IN HPA 1018.1 1015.6 1014.0 1011.7 1007.4 999.9 995.7 997.6 1004.8 1010.6 1015.9 1017.7 1009.1 MAX. QNH PRESSURE IN HPA 1022.5 1020.5 1023.8 1015.5 1012.5 1005.0 999.3 1000.5 1011.1 1019.4 1019.5 1024.1 1024.1 DAY 15 20 2 9 12 12 6 21 21 31 1 13 MIN. QNH PRESSURE IN HPA 1011.2 1006.4 1007.3 1007.0 1002.6 994.5 992.9 992.8 1000.0 1006.9 1009.6 1011.9 992.8 DAY 31 10 13 29 20 6 28 1 3 19 27 30 MEAN QFF PRESSURE IN HPA 1018.5 1016.0 1014.3 1011.5 1006.9 999.0 994.8 996.7 1004.2 1010.3 1016.0 1018.0 1008.8 MAX. QFF PRESSURE IN HPA 1023.1 1020.9 1024.7 1015.6 1012.0 1004.2 998.4 999.7 1010.7 1019.4 1019.4 1024.6 1024.7 DAY 15 20 2 9 12 12 6 21 21 31 1 13 MIN. QFF PRESSURE IN HPA 1011.5 1006.5 1007.5 1006.7 1001.8 993.7 991.7 991.7 999.3 1006.6 1009.4 1012.1 991.7 DAY 31 10 13 29 20 6 28 1 3 8 27 30 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 1001.9 999.9 998.2 995.6 991.3 984.0 979.8 981.9 989.2 994.7 999.8 1001.4 993.1 MAX. QFE PRESSURE IN HPA 1006.2 1004.4 1007.4 999.7 996.2 988.7 983.2 985.1 995.1 1003.2 1003.2 1007.7 1007.7 DAY 1 20 2 9 12 12 5 28 21 31 1 13 MIN. QFE PRESSURE IN HPA 995.6 992.2 991.7 991.0 987.3 978.8 977.2 977.0 984.1 990.3 993.3 996.5 977.0 DAY 31 10 13 28 26 5 28 1 2 19 28 30 MEAN QNH PRESSURE IN HPA 1018.7 1016.7 1015.0 1012.4 1008.0 1000.6 996.3 998.4 1005.8 1011.5 1016.6 1018.3 1009.9 MAX. QNH PRESSURE IN HPA 1023.1 1021.3 1024.3 1016.5 1013.0 1005.4 999.8 1001.7 1011.8 1020.1 1020.1 1024.6 1024.6 DAY 1 20 2 9 12 12 5 28 21 31 1 13 MIN. QNH PRESSURE IN HPA 1012.4 1008.9 1008.4 1007.7 1003.9 995.3 993.7 993.5 1000.7 1007.0 1010.0 1013.3 993.5 DAY 31 10 13 28 26 5 28 1 2 19 28 30 MEAN QFF PRESSURE IN HPA 1019.2 1017.1 1015.2 1012.2 1007.4 999.6 995.2 997.5 1005.1 1011.1 1016.6 1018.6 1009.6 MAX. QFF PRESSURE IN HPA 1023.6 1021.6 1025.1 1016.5 1012.4 1004.3 998.8 1000.8 1011.2 1020.0 1019.9 1025.1 1025.1 DAY 1 20 2 9 12 12 5 28 21 31 1 13 MIN. QFF PRESSURE IN HPA 1012.7 1009.1 1008.7 1007.1 1003.1 994.4 992.5 992.3 1000.0 1006.5 1010.2 1013.4 992.3 DAY 31 10 13 28 26 5 28 1 2 19 28 30 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 1002.1 1000.1 998.3 995.7 991.8 984.2 980.0 982.1 989.3 994.9 999.8 1001.5 993.3 MAX. QFE PRESSURE IN HPA 1006.6 1004.8 1008.3 998.7 995.5 989.6 983.6 985.1 994.7 1003.2 1002.7 1007.8 1008.3 DAY 1 20 2 9 12 12 5 28 21 31 30 12 MIN. QFE PRESSURE IN HPA 996.6 994.5 992.0 990.2 986.3 978.8 977.2 976.6 984.2 990.5 993.8 996.6 976.6 DAY 30 4 13 28 26 5 30 1 2 19 28 26 MEAN QNH PRESSURE IN HPA 1018.9 1016.9 1015.1 1012.4 1008.5 1000.8 996.6 998.7 1006.0 1011.6 1016.6 1018.3 1010.0 MAX. QNH PRESSURE IN HPA 1023.5 1021.7 1025.2 1015.5 1012.3 1006.3 1000.2 1001.7 1011.4 1020.1 1019.6 1024.7 1025.2 DAY 1 20 2 9 12 12 5 28 21 31 30 12 MIN. QNH PRESSURE IN HPA 1013.4 1011.2 1008.7 1006.9 1002.9 995.3 993.7 993.1 1000.8 1007.2 1010.5 1013.4 993.1 DAY 30 4 13 28 26 5 30 1 2 19 28 26 MEAN QFF PRESSURE IN HPA 1019.3 1017.3 1015.2 1012.2 1007.9 999.8 995.5 997.7 1005.2 1011.1 1016.5 1018.5 1009.7 MAX. QFF PRESSURE IN HPA 1023.9 1022.0 1026.0 1015.4 1012.0 1005.2 999.2 1000.7 1010.7 1019.9 1019.8 1025.2 1026.0 DAY 1 20 2 9 10 12 5 21 21 31 30 12 MIN. QFF PRESSURE IN HPA 1013.6 1011.6 1009.1 1006.4 1002.1 994.4 992.4 992.0 1000.0 1006.6 1010.7 1013.5 992.0 DAY 30 4 13 28 26 5 30 1 2 19 27 26 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1977 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 8.2 14.9 18.6 22.0 29.8 34.3 35.2 35.4 31.7 23.3 16.2 13.0 23.6 MINIMUN AIR TEMPERATURE (C) 3.3 7.0 10.7 14.1 21.2 23.5 24.7 25.5 20.5 16.1 9.3 8.2 15.4 DAYS WITH MINIMUM TEMP. >=21 0 0 2 1 17 26 30 28 12 7 0 0 123 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 11 0 0 0 0 0 0 0 0 0 0 0 11 TEMPERATURE RECORDS LOWEST(C) -3.0 3.0 4.0 9.0 15.0 20.0 20.0 19.0 16.0 9.0 5.0 1.0 -3.0 DAY 10 1 5 16 1 1 3 29 29 24 14 30 MAXIMUM AIR TEMPERATURE (C) 13.8 23.8 26.4 29.2 37.5 44.1 45.1 45.3 42.9 31.5 25.6 19.5 32.1 DAYS WITH MAXIMUM TEMP. >=30 0 0 2 13 31 30 31 31 30 18 0 0 186 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 19.0 29.0 32.0 37.0 43.0 47.0 48.0 49.0 48.0 41.0 29.0 26.0 49.0 DAY 19 21 20 30 13 8 14 9 6 4 10 4 DIF. BETWEEN (MAX.-MIN.) (C) 10.5 16.8 15.7 15.1 16.3 20.6 20.4 19.8 22.4 15.4 16.3 11.3 16.7 MEAN DAILY TEMP. (MDT) (C) 8.5 15.4 18.6 21.6 29.4 33.8 34.9 35.4 31.7 23.8 17.4 13.8 23.7 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 17.5 40.5 259.0 384.5 431.0 447.0 322.0 112.5 2.5 0.0 2016.5 HEATING DEG. DAYS(BASE 18 0C) 293.0 75.5 30.5 1.0 0.0 0.0 0.0 0.0 0.0 2.5 35.0 131.5 569.0 DEWPOINT (MEAN C) 4.8 7.3 8.1 10.7 11.3 9.9 13.2 15.0 11.1 12.3 9.4 9.1 10.2 MIXING RATIO (G/KG) 5.59 6.51 7.05 8.41 8.78 8.08 10.07 11.45 8.70 9.33 7.70 7.47 8.26 VAPOUR PRESSURE (HPA) 8.92 10.37 11.19 13.24 13.78 12.60 15.57 17.74 13.63 14.73 12.21 11.88 12.99 SATURATION DEF. (HPA) 2.38 7.87 11.69 14.79 30.60 45.58 45.13 43.93 37.43 16.18 7.44 3.80 22.23 RELATIVE HUMIDITY (MEAN %) 82 66 55 54 35 26 30 33 32 55 69 80 51 RELATIVE HUMIDITY (MAX. %) 97 91 85 81 59 45 47 52 52 75 92 93 72 RELATIVE HUMIDITY (MIN. %) 56 33 30 30 19 13 14 17 15 35 37 55 30 RELATIVE HUMIDITY (MEAN% 03UTC) 94 90 78 77 51 42 46 51 47 71 89 92 69 RELATIVE HUMIDITY (MEAN% 09UTC) 65 39 36 38 26 16 20 23 18 41 42 59 35 RELATIVE HUMIDITY (MEAN% 15UTC) 73 50 42 40 25 16 19 20 24 48 59 76 41 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 124.3 15.0 52.0 44.4 6.0 0.0 0.0 0.0 0.0 23.2 18.2 181.7 464.8 DAYS WITH PRECIPITATION >=10 2 1 2 1 0 0 0 0 0 1 0 4 11 DAYS WITH PRECIPITATION >= 5 6 1 3 1 0 0 0 0 0 1 1 6 19 DAYS WITH PRECIPITATION >= 1 10 3 7 5 3 0 0 0 0 3 5 9 45 DAYS WITH PRECIPITATION 12 4 13 5 4 0 0 0 0 7 8 13 66 GREATEST DAILY PRECIPITATION 57.0 10.0 25.0 36.4 4.0 0.0 0.0 0.0 0.0 16.0 8.0 72.0 72.0 DAY 28 6 27 7 24 ** ** ** ** 26 4 20 DAY WITH THUNDER STORM 2 2 1 3 6 0 0 0 0 4 5 7 30 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 1 2 7 14 14 13 17 12 3 6 0 2 91 WIND DIRECTION (PREVAILING) 90 225 225 135 315 225 225 225 225 135 135 90 225 PREVAILING WIND SPEED(KNOTS) 8.5 7.5 8.2 11.3 13.7 9.9 9.3 9.7 7.4 8.2 10.1 9.5 8.3 PREVAILING WIND PERCENT 4.4 4.5 7.3 7.5 9.7 11.3 10.1 11.7 12.9 10.5 5.8 11.3 8.1 CALMS PERCENT OF WIND 78.2 84.8 65.3 69.2 55.2 65.0 76.6 63.3 56.7 55.6 73.8 62.9 67.1 NO. OF WIND OBSERVATION 248 224 248 240 248 240 248 248 240 248 240 248 2920 VECTOR WIND DIRECTION (MEAN) 162 132 329 146 297 271 213 219 272 146 160 99 213 VECTOR WIND MAGNITUDE(KNOTS) 0.3 0.1 0.3 1.6 1.5 1.7 1.2 1.8 1.7 1.1 0.5 1.8 0.5 WIND STEADINESES (MEAN %) 15.8 8.3 9.1 47.1 28.8 50.0 57.1 56.2 50.0 27.5 23.8 56.2 16.7 WIND SPEED (MEAN KNOTS) 1.9 1.2 3.3 3.4 5.2 3.4 2.1 3.2 3.4 4.0 2.1 3.2 3.0 FASTEST WIND DIRECTION 90 40 300 240 340 340 240 270 340 280 120 60 340 FASTEST WIND SPEED (KNOTS) 20 18 30 30 35 25 20 25 20 30 20 30 35 DAY 28 6 29 15 23 8 2 29 5 5 12 1 DAYS WITH SKY CLEAR (0-2)/8 10 18 14 12 16 27 31 30 29 16 18 12 233 DAYS WITH P.CLOUDY (3-6)/8 11 7 8 11 12 3 0 1 1 7 9 9 79 DAYS WITH CLOUDY (7-8)/8 10 3 9 7 3 0 0 0 0 8 3 10 53 DAYS WITH VISIBILITY =< 2 KM 11 1 1 3 0 2 7 1 1 0 0 9 36 DURATION OF SUNSHINE HOURS 117.1 214.0 210.8 234.5 272.3 330.9 326.4 320.8 308.7 190.3 160.3 39.0 2725.1 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1977 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1002.6 1002.0 1000.3 993.6 990.6 983.1 978.3 982.5 988.9 997.1 1000.4 1002.4 993.5 MAX. QFE PRESSURE IN HPA 1012.5 1008.6 1008.8 1001.4 996.7 990.9 983.7 987.5 996.9 1004.2 1007.7 1008.3 1012.5 DAY-HOUR 10- 6 15- 6 7- 9 16- 6 1- 9 1- 9 20- 6 23- 6 30- 6 19- 9 2- 6 25- 9 MIN. QFE PRESSURE IN HPA 993.5 992.3 993.5 983.4 984.4 977.3 974.3 977.2 982.7 989.6 993.3 995.6 974.3 DAY-HOUR 28-15 7- 0 31-15 24- 3 31-15 28-15 29-15 5-15 7-15 4-15 17-12 14-15 MEAN QNH PRESSURE IN HPA 1019.5 1018.8 1017.1 1010.4 1007.3 999.7 994.8 999.1 1005.5 1013.8 1017.3 1019.3 1010.2 MAX. QNH PRESSURE IN HPA 1029.5 1025.5 1025.7 1018.2 1013.5 1007.6 1000.3 1004.1 1013.7 1021.1 1024.6 1025.2 1029.5 DAY-HOUR 10- 6 15- 6 7- 9 16- 6 1- 9 1- 9 20- 6 23- 6 30- 6 19- 9 2- 6 25- 9 MIN. QNH PRESSURE IN HPA 1010.2 1009.0 1010.2 1000.0 1001.0 993.8 990.8 993.7 999.3 1006.3 1010.0 1012.4 990.8 DAY-HOUR 28-15 7- 0 31-15 24- 3 31-15 28-15 29-15 5-15 7-15 4-15 17-12 14-15 MEAN QFF PRESSURE IN HPA 1020.1 1019.0 1017.0 1010.1 1006.6 998.8 993.8 998.0 1004.7 1013.5 1017.3 1019.6 1009.9 MAX. QFF PRESSURE IN HPA 1030.5 1025.8 1025.9 1018.1 1012.8 1006.7 999.2 1003.1 1013.0 1020.7 1024.8 1025.7 1030.5 DAY-HOUR 10- 6 15- 6 7- 9 16- 6 1- 9 1- 9 20- 6 23- 6 30- 6 19- 9 2- 6 25- 9 MIN. QFF PRESSURE IN HPA 1010.6 1009.1 1010.0 999.4 1000.2 992.8 989.9 992.6 998.3 1005.8 1009.9 1012.4 989.9 DAY-HOUR 28-15 7- 0 29-21 24- 3 31-15 28-15 29-15 5-15 7-15 4-15 12-15 14-15 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 1002.6 1001.8 1000.1 993.4 990.3 982.9 977.9 982.2 988.4 997.0 1000.4 1002.3 993.3 MAX. QFE PRESSURE IN HPA 1010.7 1007.1 1007.5 1000.4 993.6 988.8 982.4 986.7 994.0 1003.4 1007.1 1007.1 1010.7 DAY 10 15 6 16 6 3 20 13 25 29 2 19 MIN. QFE PRESSURE IN HPA 997.9 992.3 994.2 986.2 986.5 977.6 975.0 978.8 983.6 990.2 994.4 996.8 975.0 DAY 29 7 31 24 31 29 8 5 8 5 17 22 MEAN QNH PRESSURE IN HPA 1019.5 1018.6 1016.9 1010.1 1007.0 999.4 994.4 998.7 1005.1 1013.7 1017.2 1019.1 1010.0 MAX. QNH PRESSURE IN HPA 1027.7 1024.0 1024.4 1017.2 1010.3 1005.5 999.0 1003.3 1010.7 1020.3 1024.0 1024.0 1027.7 DAY 10 15 6 16 6 3 20 13 25 29 2 19 MIN. QNH PRESSURE IN HPA 1014.7 1009.0 1010.9 1002.8 1003.1 994.1 991.5 995.3 1000.2 1006.9 1011.1 1013.6 991.5 DAY 29 7 31 24 31 29 8 5 8 5 17 22 MEAN QFF PRESSURE IN HPA 1020.0 1018.7 1016.8 1009.8 1006.3 998.5 993.4 997.6 1004.2 1013.3 1017.2 1019.4 1009.6 MAX. QFF PRESSURE IN HPA 1028.6 1024.2 1024.8 1017.1 1009.6 1004.7 997.9 1002.1 1010.1 1020.2 1024.1 1024.3 1028.6 DAY 10 15 6 16 6 3 20 13 25 29 2 25 MIN. QFF PRESSURE IN HPA 1015.2 1009.1 1010.8 1002.2 1002.2 992.9 990.4 994.1 999.2 1006.2 1011.2 1013.5 990.4 DAY 29 7 31 24 31 29 8 5 8 5 17 22 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1002.5 1001.8 1000.1 993.8 990.9 983.5 978.5 982.8 988.9 997.1 1000.5 1002.4 993.6 MAX. QFE PRESSURE IN HPA 1010.9 1007.1 1007.9 1000.4 994.8 989.8 982.7 986.8 995.3 1002.4 1006.2 1007.1 1010.9 DAY 10 15 6 16 1 3 1 13 30 28 2 18 MIN. QFE PRESSURE IN HPA 997.8 992.5 994.9 983.4 986.8 978.3 975.6 978.1 983.8 991.4 994.6 997.1 975.6 DAY 6 7 31 24 31 29 29 6 8 5 17 22 MEAN QNH PRESSURE IN HPA 1019.3 1018.6 1016.9 1010.5 1007.6 1000.1 995.0 999.4 1005.6 1013.8 1017.3 1019.2 1010.3 MAX. QNH PRESSURE IN HPA 1027.9 1024.0 1024.8 1017.2 1011.5 1006.5 999.3 1003.4 1012.0 1019.2 1023.1 1024.0 1027.9 DAY 10 15 6 16 1 3 1 13 30 28 2 18 MIN. QNH PRESSURE IN HPA 1014.6 1009.2 1011.6 1000.0 1003.4 994.8 992.1 994.6 1000.4 1008.1 1011.3 1013.9 992.1 DAY 6 7 31 24 31 29 29 6 8 5 17 22 MEAN QFF PRESSURE IN HPA 1020.0 1018.9 1017.0 1010.3 1006.9 999.2 994.0 998.4 1004.9 1013.6 1017.5 1019.6 1010.0 MAX. QFF PRESSURE IN HPA 1028.9 1024.3 1025.3 1017.2 1011.1 1005.8 998.5 1002.3 1011.3 1019.4 1023.3 1024.5 1028.9 DAY 10 15 6 16 1 3 1 13 26 28 2 25 MIN. QFF PRESSURE IN HPA 1014.9 1009.4 1011.6 999.4 1002.7 993.6 991.3 993.6 999.6 1007.7 1011.6 1014.0 991.3 DAY 6 7 31 24 31 29 29 6 8 5 17 22 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1977 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1003.5 1003.0 1001.4 994.8 991.9 984.3 979.4 983.9 990.2 998.1 1001.8 1003.4 994.7 MAX. QFE PRESSURE IN HPA 1012.5 1008.6 1008.7 1001.4 996.0 990.7 983.7 987.5 996.9 1003.6 1007.7 1008.1 1012.5 DAY 10 15 7 16 1 3 20 23 30 19 2 25 MIN. QFE PRESSURE IN HPA 997.3 996.6 995.6 985.4 987.6 979.1 976.3 979.0 985.0 992.1 995.3 998.5 976.3 DAY 20 7 31 24 20 29 7 6 8 5 17 22 MEAN QNH PRESSURE IN HPA 1020.4 1019.9 1018.3 1011.6 1008.6 1000.9 996.0 1000.5 1006.9 1014.9 1018.7 1020.3 1011.4 MAX. QNH PRESSURE IN HPA 1029.5 1025.5 1025.6 1018.2 1012.8 1007.4 1000.3 1004.1 1013.7 1020.5 1024.6 1025.0 1029.5 DAY 10 15 7 16 1 3 20 23 30 19 2 25 MIN. QNH PRESSURE IN HPA 1014.1 1013.4 1012.4 1002.0 1004.2 995.6 992.8 995.5 1001.6 1008.8 1012.0 1015.3 992.8 DAY 20 7 31 24 20 29 7 6 8 5 17 22 MEAN QFF PRESSURE IN HPA 1021.1 1020.1 1018.3 1011.3 1007.8 999.9 994.9 999.5 1006.1 1014.6 1018.8 1020.6 1011.1 MAX. QFF PRESSURE IN HPA 1030.5 1025.8 1025.9 1018.1 1012.2 1006.5 999.2 1003.1 1013.0 1020.2 1024.8 1025.6 1030.5 DAY 10 15 7 16 1 3 20 23 30 28 2 25 MIN. QFF PRESSURE IN HPA 1014.4 1013.6 1012.2 1001.5 1003.6 994.7 991.6 994.4 1000.6 1008.1 1012.3 1015.4 991.6 DAY 20 25 31 24 20 29 7 6 8 5 17 22 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1003.3 1002.9 1001.3 994.7 991.7 984.1 979.3 983.5 989.9 997.9 1001.1 1003.0 994.4 MAX. QFE PRESSURE IN HPA 1011.2 1008.2 1008.8 1001.1 996.7 990.9 983.5 986.8 996.4 1004.2 1006.8 1008.3 1011.2 DAY 10 15 7 16 1 1 20 23 30 19 2 25 MIN. QFE PRESSURE IN HPA 997.3 996.8 995.2 987.8 987.7 979.0 976.3 979.1 985.0 991.9 994.5 998.1 976.3 DAY 20 25 31 24 31 24 7 6 7 5 17 14 MEAN QNH PRESSURE IN HPA 1020.1 1019.8 1018.1 1011.4 1008.4 1000.7 995.9 1000.1 1006.5 1014.7 1017.9 1019.9 1011.1 MAX. QNH PRESSURE IN HPA 1028.2 1025.1 1025.7 1017.9 1013.5 1007.6 1000.1 1003.4 1013.2 1021.1 1023.7 1025.2 1028.2 DAY 10 15 7 16 1 1 20 23 30 19 2 25 MIN. QNH PRESSURE IN HPA 1014.1 1013.6 1011.9 1004.4 1004.3 995.5 992.8 995.6 1001.6 1008.6 1011.2 1014.9 992.8 DAY 20 25 31 24 31 24 7 6 7 5 17 14 MEAN QFF PRESSURE IN HPA 1020.7 1019.9 1018.0 1011.1 1007.7 999.7 994.8 999.0 1005.6 1014.2 1017.9 1020.1 1010.7 MAX. QFF PRESSURE IN HPA 1029.1 1025.3 1025.9 1017.8 1012.8 1006.7 999.0 1002.3 1012.4 1020.7 1023.7 1025.7 1029.1 DAY 10 15 7 16 1 1 20 23 30 19 2 25 MIN. QFF PRESSURE IN HPA 1014.4 1013.4 1011.7 1004.0 1003.4 994.5 991.7 994.4 1000.5 1007.9 1011.2 1014.8 991.7 DAY 20 25 31 24 31 24 7 6 8 5 17 14 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 1001.8 1001.3 999.7 993.2 990.4 983.1 978.2 982.1 988.5 996.4 999.6 1001.6 993.0 MAX. QFE PRESSURE IN HPA 1009.7 1006.7 1006.8 999.8 995.4 989.6 981.9 985.9 994.4 1001.6 1005.1 1006.9 1009.7 DAY 10 15 7 16 1 1 19 22 30 19 2 25 MIN. QFE PRESSURE IN HPA 993.6 994.4 993.9 986.8 985.9 978.3 975.1 977.8 983.4 990.2 993.3 996.3 975.1 DAY 28 6 31 7 31 24 29 6 7 5 17 21 MEAN QNH PRESSURE IN HPA 1018.7 1018.2 1016.5 1009.9 1007.1 999.7 994.7 998.7 1005.1 1013.2 1016.4 1018.4 1009.7 MAX. QNH PRESSURE IN HPA 1026.6 1023.6 1023.7 1016.6 1012.1 1006.3 998.5 1002.5 1011.1 1018.4 1022.0 1023.8 1026.6 DAY 10 15 7 16 1 1 19 22 30 19 2 25 MIN. QNH PRESSURE IN HPA 1010.3 1011.1 1010.6 1003.4 1002.5 994.8 991.6 994.3 1000.0 1006.9 1010.0 1013.1 991.6 DAY 28 6 31 7 31 24 29 6 7 5 17 21 MEAN QFF PRESSURE IN HPA 1019.2 1018.3 1016.4 1009.7 1006.4 998.7 993.7 997.6 1004.3 1012.8 1016.4 1018.6 1009.3 MAX. QFF PRESSURE IN HPA 1027.5 1023.7 1023.9 1016.6 1011.6 1005.5 997.4 1001.5 1010.4 1018.0 1022.0 1024.3 1027.5 DAY 10 15 7 16 1 1 20 22 30 19 2 25 MIN. QFF PRESSURE IN HPA 1010.8 1011.2 1010.5 1003.1 1001.6 993.8 990.6 993.2 999.0 1006.3 1010.1 1013.1 990.6 DAY 28 6 31 7 31 29 29 6 7 5 17 21 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1977 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1002.1 1001.1 999.5 992.4 989.4 982.1 977.2 981.3 987.8 996.1 999.6 1001.8 992.5 MAX. QFE PRESSURE IN HPA 1010.5 1005.7 1006.4 998.8 994.0 988.2 981.5 985.0 993.8 1001.7 1005.2 1006.4 1010.5 DAY 10 15 7 16 1 3 20 22 30 22 2 25 MIN. QFE PRESSURE IN HPA 993.5 993.8 993.5 986.3 984.4 977.3 974.3 977.2 982.7 989.6 993.4 995.6 974.3 DAY 28 6 31 6 31 28 29 5 7 4 12 14 MEAN QNH PRESSURE IN HPA 1018.9 1017.9 1016.3 1009.1 1006.0 998.7 993.7 997.8 1004.4 1012.9 1016.4 1018.6 1009.2 MAX. QNH PRESSURE IN HPA 1027.5 1022.6 1023.3 1015.6 1010.7 1004.9 998.1 1001.6 1010.5 1018.5 1022.1 1023.3 1027.5 DAY 10 15 7 16 1 3 20 22 30 22 2 25 MIN. QNH PRESSURE IN HPA 1010.2 1010.5 1010.2 1002.9 1001.0 993.8 990.8 993.7 999.3 1006.3 1010.1 1012.4 990.8 DAY 28 6 31 6 31 28 29 5 7 4 12 14 MEAN QFF PRESSURE IN HPA 1019.5 1018.2 1016.4 1009.0 1005.4 997.8 992.7 996.8 1003.7 1012.7 1016.6 1019.0 1009.0 MAX. QFF PRESSURE IN HPA 1028.5 1022.9 1023.7 1015.6 1010.4 1004.2 997.0 1000.7 1009.8 1018.6 1022.4 1023.8 1028.5 DAY 10 15 5 16 1 3 20 22 30 22 2 25 MIN. QFF PRESSURE IN HPA 1010.6 1010.7 1010.1 1002.6 1000.2 992.8 989.9 992.6 998.3 1005.8 1009.9 1012.4 989.9 DAY 28 6 31 6 31 28 29 5 7 4 12 14 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 1002.7 1001.9 1000.1 993.3 990.1 982.6 977.8 982.0 988.6 997.0 1000.3 1002.4 993.2 MAX. QFE PRESSURE IN HPA 1010.5 1006.9 1007.8 1000.1 993.7 988.7 981.9 985.9 994.5 1002.8 1005.2 1007.2 1010.5 DAY 9 14 5 16 5 3 19 22 30 28 2 31 MIN. QFE PRESSURE IN HPA 995.5 993.5 994.8 987.0 985.9 977.8 974.6 978.0 983.3 990.8 994.1 996.1 974.6 DAY 28 6 17 6 31 29 29 5 8 4 17 21 MEAN QNH PRESSURE IN HPA 1019.5 1018.8 1016.9 1010.0 1006.7 999.2 994.3 998.6 1005.2 1013.8 1017.1 1019.3 1009.9 MAX. QNH PRESSURE IN HPA 1027.5 1023.8 1024.7 1016.9 1010.4 1005.4 998.5 1002.5 1011.2 1019.7 1022.1 1024.1 1027.5 DAY 9 14 5 16 5 3 19 22 30 28 2 31 MIN. QNH PRESSURE IN HPA 1012.3 1010.2 1011.5 1003.6 1002.5 994.3 991.1 994.5 999.9 1007.5 1010.8 1012.9 991.1 DAY 28 6 17 6 31 29 29 5 8 4 17 21 MEAN QFF PRESSURE IN HPA 1020.2 1019.0 1016.8 1009.7 1006.0 998.2 993.3 997.6 1004.4 1013.5 1017.3 1019.6 1009.6 MAX. QFF PRESSURE IN HPA 1028.5 1024.0 1025.1 1016.7 1009.8 1004.5 997.5 1001.6 1010.6 1019.7 1022.2 1024.8 1028.5 DAY 9 14 5 16 1 3 19 22 30 28 2 31 MIN. QFF PRESSURE IN HPA 1012.7 1010.4 1011.3 1003.2 1001.6 993.3 990.1 993.4 998.9 1006.9 1011.1 1013.0 990.1 DAY 28 6 17 6 31 29 29 5 8 4 17 21 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 1002.8 1001.9 1000.1 993.6 990.5 982.8 978.0 982.3 988.9 997.2 1000.4 1002.7 993.4 MAX. QFE PRESSURE IN HPA 1010.7 1007.1 1008.3 1000.3 994.2 989.3 981.9 986.7 995.2 1003.2 1005.7 1007.5 1010.7 DAY 9 14 5 16 5 3 19 12 30 28 1 31 MIN. QFE PRESSURE IN HPA 996.7 992.6 993.6 987.8 986.9 978.4 975.4 978.4 983.8 991.3 994.6 995.9 975.4 DAY 28 6 29 6 19 27 16 5 8 4 11 21 MEAN QNH PRESSURE IN HPA 1019.7 1018.8 1016.9 1010.3 1007.2 999.3 994.5 998.9 1005.5 1014.0 1017.2 1019.5 1010.2 MAX. QNH PRESSURE IN HPA 1027.7 1024.0 1025.2 1017.1 1010.9 1006.0 998.5 1003.3 1011.9 1020.1 1022.6 1024.4 1027.7 DAY 9 14 5 16 5 3 19 12 30 28 1 31 MIN. QNH PRESSURE IN HPA 1013.5 1009.3 1010.3 1004.4 1003.5 994.9 991.9 994.9 1000.4 1008.0 1011.3 1012.7 991.9 DAY 28 6 29 6 19 27 16 5 8 4 11 21 MEAN QFF PRESSURE IN HPA 1020.2 1018.9 1016.8 1010.0 1006.4 998.3 993.4 997.8 1004.7 1013.5 1017.2 1019.7 1009.8 MAX. QFF PRESSURE IN HPA 1028.6 1024.2 1025.6 1016.9 1010.2 1005.2 997.4 1002.2 1011.2 1020.0 1022.7 1024.9 1028.6 DAY 9 14 5 16 1 3 19 12 30 28 1 31 MIN. QFF PRESSURE IN HPA 1013.9 1009.5 1010.0 1004.1 1002.8 993.8 990.8 993.7 999.3 1007.2 1011.1 1012.6 990.8 DAY 28 6 29 6 19 29 7 5 8 4 11 21 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1978 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 11.3 13.6 17.4 22.9 30.4 34.1 36.4 33.7 31.3 24.7 14.3 13.8 23.7 MINIMUN AIR TEMPERATURE (C) 5.1 7.9 10.0 13.5 19.8 23.7 26.6 23.5 21.2 15.3 6.9 9.0 15.2 DAYS WITH MINIMUM TEMP. >=21 0 0 0 1 14 24 31 26 18 1 0 0 115 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 3 0 0 0 0 0 0 0 0 0 0 0 3 TEMPERATURE RECORDS LOWEST(C) 0.0 3.0 6.0 7.0 12.0 17.0 21.0 18.0 16.0 13.0 1.0 3.0 0.0 DAY 15 12 1 1 3 3 4 21 28 12 19 25 MAXIMUM AIR TEMPERATURE (C) 18.8 20.5 25.5 31.8 39.0 43.5 46.0 43.4 41.5 35.4 23.0 20.6 32.4 DAYS WITH MAXIMUM TEMP. >=30 0 0 3 23 30 30 31 31 30 31 0 0 209 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 23.0 25.0 33.0 36.0 45.0 50.0 51.0 48.0 45.0 39.0 28.0 25.0 51.0 DAY 3 5 30 23 25 8 22 11 1 3 1 7 DIF. BETWEEN (MAX.-MIN.) (C) 13.7 12.6 15.5 18.3 19.2 19.8 19.4 19.9 20.3 20.1 16.1 11.6 17.2 MEAN DAILY TEMP. (MDT) (C) 12.0 14.2 17.8 22.6 29.4 33.6 36.3 33.5 31.3 25.4 14.9 14.8 23.8 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 4.0 61.0 261.0 378.0 474.0 386.5 310.5 135.0 0.0 0.0 2010.0 HEATING DEG. DAYS(BASE 18 0C) 187.5 106.0 31.5 0.5 0.0 0.0 0.0 0.0 0.0 0.0 102.0 108.0 535.5 DEWPOINT (MEAN C) 7.0 9.3 9.1 7.7 3.9 5.3 9.6 7.6 7.3 6.5 1.3 10.2 7.1 MIXING RATIO (G/KG) 6.46 7.47 7.47 6.86 5.28 6.05 8.21 6.91 6.91 6.30 4.68 8.08 6.72 VAPOUR PRESSURE (HPA) 10.30 11.88 11.83 10.84 8.32 9.46 12.76 10.78 10.84 9.99 7.47 12.84 10.61 SATURATION DEF. (HPA) 3.75 4.40 9.27 19.18 38.74 48.42 52.03 45.19 38.36 23.64 10.11 3.62 24.73 RELATIVE HUMIDITY (MEAN %) 79 78 63 43 22 19 23 22 25 35 48 82 45 RELATIVE HUMIDITY (MAX. %) 96 96 90 69 40 33 37 36 42 55 71 96 63 RELATIVE HUMIDITY (MIN. %) 50 53 35 20 12 10 11 12 14 16 24 55 26 RELATIVE HUMIDITY (MEAN% 03UTC) 93 94 87 66 36 29 33 32 37 49 65 93 60 RELATIVE HUMIDITY (MEAN% 09UTC) 56 59 42 26 14 13 14 15 16 18 29 63 30 RELATIVE HUMIDITY (MEAN% 15UTC) 70 70 47 29 14 13 15 17 23 33 43 79 38 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 33.8 38.6 40.2 4.0 1.0 0.0 0.0 0.0 0.0 0.2 27.3 77.7 222.8 DAYS WITH PRECIPITATION >=10 1 1 2 0 0 0 0 0 0 0 1 3 8 DAYS WITH PRECIPITATION >= 5 2 2 4 0 0 0 0 0 0 0 1 4 13 DAYS WITH PRECIPITATION >= 1 5 8 5 1 1 0 0 0 0 0 2 6 28 DAYS WITH PRECIPITATION 7 11 6 2 3 0 0 0 0 1 4 8 42 GREATEST DAILY PRECIPITATION 24.0 15.0 16.2 4.0 1.0 0.0 0.0 0.0 0.0 0.2 25.0 32.0 32.0 DAY 8 23 6 25 2 ** ** ** ** 19 28 12 DAY WITH THUNDER STORM 0 6 1 2 1 0 0 0 0 0 0 7 17 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 1 2 10 10 13 16 14 18 6 3 1 4 98 WIND DIRECTION (PREVAILING) 315 90 135 135 225 225 225 225 225 225 225 90 225 PREVAILING WIND SPEED(KNOTS) 5.8 6.5 12.4 8.5 9.9 9.5 6.8 8.6 7.9 5.8 6.0 7.0 8.3 PREVAILING WIND PERCENT 6.5 9.4 9.3 12.9 18.5 16.3 12.5 19.0 12.9 7.3 8.8 10.5 10.7 CALMS PERCENT OF WIND 70.6 61.6 56.0 44.2 33.5 45.8 57.7 56.9 57.1 78.2 76.3 75.4 59.5 NO. OF WIND OBSERVATION 248 224 248 240 248 240 248 248 240 248 240 248 2920 VECTOR WIND DIRECTION (MEAN) 251 133 138 183 264 251 201 197 247 173 254 100 213 VECTOR WIND MAGNITUDE(KNOTS) 0.1 0.8 1.1 2.0 3.0 2.9 1.6 2.1 1.3 0.7 0.7 1.2 1.0 WIND STEADINESES (MEAN %) 5.0 26.7 26.2 42.6 45.5 55.8 48.5 65.6 38.2 53.8 38.9 60.0 29.4 WIND SPEED (MEAN KNOTS) 2.0 3.0 4.2 4.7 6.6 5.2 3.3 3.2 3.4 1.3 1.8 2.0 3.4 FASTEST WIND DIRECTION 90 150 120 120 240 280 150 270 310 210 10 130 120 FASTEST WIND SPEED (KNOTS) 20 30 35 25 30 30 20 25 20 15 30 20 35 DAY 8 22 12 24 29 10 24 2 1 3 5 11 DAYS WITH SKY CLEAR (0-2)/8 18 12 17 12 24 30 29 30 30 24 20 14 260 DAYS WITH P.CLOUDY (3-6)/8 8 8 9 13 5 0 2 1 0 6 7 5 64 DAYS WITH CLOUDY (7-8)/8 5 8 5 5 2 0 0 0 0 1 3 12 41 DAYS WITH VISIBILITY =< 2 KM 2 2 1 1 3 3 7 7 1 1 2 6 36 DURATION OF SUNSHINE HOURS 127.2 152.9 222.2 246.1 314.8 319.4 327.3 306.7 290.7 225.4 140.5 ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1978 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1003.4 1001.2 997.8 994.3 989.7 983.5 980.8 982.2 988.6 996.6 1002.5 1003.0 993.6 MAX. QFE PRESSURE IN HPA 1010.2 1008.1 1003.8 1001.1 999.5 994.5 987.2 986.5 993.6 1001.4 1009.1 1006.4 1010.2 DAY-HOUR 12-18 1- 9 15- 9 7- 6 2- 9 4- 6 9- 6 21- 6 30- 6 25- 6 26- 6 24- 6 MIN. QFE PRESSURE IN HPA 994.6 993.5 990.0 986.4 981.7 978.0 976.0 977.0 981.0 990.0 995.5 995.5 976.0 DAY-HOUR 21- 3 22-15 12-15 24-15 29-15 30-15 25-15 13-15 1-15 1-15 10-15 3- 3 MEAN QNH PRESSURE IN HPA 1020.2 1018.1 1014.6 1011.0 1006.4 1000.1 997.4 998.7 1005.2 1013.3 1019.3 1019.8 1010.3 MAX. QNH PRESSURE IN HPA 1027.2 1025.0 1020.7 1017.9 1016.3 1011.2 1003.8 1003.1 1010.3 1018.2 1026.0 1023.3 1027.2 DAY-HOUR 12-18 1- 9 15- 9 7- 6 2- 9 4- 6 9- 6 21- 6 30- 6 25- 6 26- 6 24- 6 MIN. QNH PRESSURE IN HPA 1011.3 1010.2 1006.7 1003.0 998.3 994.5 992.5 993.5 997.6 1006.7 1012.3 1012.3 992.5 DAY-HOUR 21- 3 22-15 12-15 24-15 29-15 30-15 25-15 13-15 1-15 1-15 10-15 3- 3 MEAN QFF PRESSURE IN HPA 1020.6 1018.3 1014.6 1010.7 1005.7 999.2 996.3 997.8 1004.5 1012.9 1019.5 1020.1 1010.0 MAX. QFF PRESSURE IN HPA 1027.8 1025.3 1020.9 1017.6 1015.9 1010.6 1002.8 1002.4 1009.7 1017.9 1026.6 1023.9 1027.8 DAY-HOUR 12-18 1- 9 15- 9 7- 6 2- 9 4- 6 9- 6 21- 6 30- 6 25- 6 25- 6 24- 6 MIN. QFF PRESSURE IN HPA 1011.4 1010.3 1006.6 1002.7 997.5 993.4 991.5 992.4 996.4 1006.3 1012.3 1012.3 991.5 DAY-HOUR 21- 3 22-15 12-15 24-15 29-15 30-21 25-15 13-15 1-21 1-15 9-12 3- 3 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 1003.3 1001.3 997.8 994.0 989.5 983.5 980.6 981.8 988.2 996.3 1002.3 1003.0 993.4 MAX. QFE PRESSURE IN HPA 1009.0 1006.4 1002.7 998.7 997.2 993.3 985.4 985.0 992.8 999.7 1007.9 1005.7 1009.0 DAY 13 1 16 2 3 4 17 22 30 25 27 14 MIN. QFE PRESSURE IN HPA 995.1 996.7 991.7 987.8 982.5 978.3 977.4 978.5 981.2 990.7 995.9 996.1 977.4 DAY 26 10 13 25 20 30 24 14 2 1 11 3 MEAN QNH PRESSURE IN HPA 1020.1 1018.1 1014.6 1010.8 1006.2 1000.1 997.1 998.3 1004.8 1013.0 1019.1 1019.8 1010.2 MAX. QNH PRESSURE IN HPA 1025.9 1023.3 1019.6 1015.5 1014.0 1010.0 1002.0 1001.6 1009.5 1016.5 1024.8 1022.6 1025.9 DAY 13 1 16 2 3 4 17 22 30 25 27 14 MIN. QNH PRESSURE IN HPA 1011.8 1013.5 1008.4 1004.4 999.1 994.8 993.9 995.0 997.8 1007.4 1012.7 1012.9 993.9 DAY 26 10 13 25 20 30 24 14 2 1 11 3 MEAN QFF PRESSURE IN HPA 1020.5 1018.3 1014.6 1010.4 1005.5 999.1 996.0 997.4 1004.0 1012.6 1019.3 1020.0 1009.8 MAX. QFF PRESSURE IN HPA 1026.5 1023.6 1019.7 1015.4 1013.6 1009.5 1000.9 1000.8 1008.9 1016.2 1025.1 1022.8 1026.5 DAY 13 1 16 2 3 4 9 22 30 25 27 14 MIN. QFF PRESSURE IN HPA 1011.9 1013.9 1008.2 1003.9 998.1 993.8 992.9 993.9 996.7 1006.8 1012.6 1012.9 992.9 DAY 26 10 13 25 20 30 26 14 2 1 11 3 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1003.2 1001.3 997.7 994.3 990.0 983.9 981.3 982.5 988.7 996.5 1002.5 1002.7 993.7 MAX. QFE PRESSURE IN HPA 1008.9 1006.2 1002.7 999.6 997.8 993.8 986.5 985.5 992.8 1000.3 1007.7 1005.4 1008.9 DAY 13 1 16 7 2 4 9 21 30 25 26 25 MIN. QFE PRESSURE IN HPA 994.6 996.7 990.7 987.3 983.9 978.7 977.7 979.8 982.2 990.5 996.2 995.5 977.7 DAY 21 10 13 19 20 30 26 13 1 2 9 3 MEAN QNH PRESSURE IN HPA 1020.0 1018.1 1014.5 1011.0 1006.6 1000.4 997.8 999.0 1005.4 1013.3 1019.3 1019.6 1010.4 MAX. QNH PRESSURE IN HPA 1025.8 1023.1 1019.6 1016.4 1014.6 1010.5 1003.1 1002.1 1009.5 1017.1 1024.6 1022.3 1025.8 DAY 13 1 16 7 2 4 9 21 30 25 26 25 MIN. QNH PRESSURE IN HPA 1011.3 1013.5 1007.4 1003.9 1000.5 995.2 994.2 996.3 998.8 1007.2 1013.0 1012.3 994.2 DAY 21 10 13 19 20 30 26 13 1 2 9 3 MEAN QFF PRESSURE IN HPA 1020.5 1018.4 1014.5 1010.8 1006.0 999.6 996.8 998.2 1004.7 1013.1 1019.7 1019.9 1010.2 MAX. QFF PRESSURE IN HPA 1026.5 1023.6 1019.9 1016.3 1014.4 1010.0 1002.2 1001.5 1009.2 1017.0 1025.3 1022.9 1026.5 DAY 13 1 16 7 2 4 9 21 30 25 26 25 MIN. QFF PRESSURE IN HPA 1011.4 1013.8 1007.3 1003.5 999.6 994.3 993.2 995.3 998.1 1006.8 1013.0 1012.3 993.2 DAY 21 10 13 19 20 30 26 13 1 2 9 3 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1978 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1004.3 1002.4 998.8 995.5 990.9 984.5 982.2 983.4 990.1 997.7 1003.6 1003.8 994.8 MAX. QFE PRESSURE IN HPA 1009.8 1007.5 1003.4 1001.1 999.3 994.5 987.2 986.5 993.6 1001.4 1009.1 1006.4 1009.8 DAY 12 1 2 7 2 4 9 21 30 25 26 24 MIN. QFE PRESSURE IN HPA 996.1 997.7 991.9 988.0 984.3 979.5 978.4 980.4 983.6 991.3 997.1 996.2 978.4 DAY 21 10 24 19 20 26 26 13 1 1 9 3 MEAN QNH PRESSURE IN HPA 1021.2 1019.2 1015.6 1012.2 1007.6 1001.1 998.7 1000.0 1006.7 1014.5 1020.4 1020.7 1011.5 MAX. QNH PRESSURE IN HPA 1026.7 1024.4 1020.3 1017.9 1016.1 1011.2 1003.8 1003.1 1010.3 1018.2 1026.0 1023.3 1026.7 DAY 12 1 2 7 2 4 9 21 30 25 26 24 MIN. QNH PRESSURE IN HPA 1012.9 1014.5 1008.6 1004.6 1000.9 996.0 994.9 996.9 1000.2 1008.0 1013.9 1013.0 994.9 DAY 21 10 24 19 20 26 26 13 1 1 9 3 MEAN QFF PRESSURE IN HPA 1021.7 1019.5 1015.6 1011.9 1006.9 1000.4 997.7 999.1 1006.0 1014.1 1020.7 1021.0 1011.2 MAX. QFF PRESSURE IN HPA 1027.3 1025.0 1020.6 1017.6 1015.8 1010.6 1002.8 1002.4 1009.7 1017.9 1026.6 1023.9 1027.3 DAY 12 1 2 7 2 4 9 21 30 25 25 24 MIN. QFF PRESSURE IN HPA 1013.0 1014.8 1008.5 1004.2 999.9 995.1 993.8 995.8 999.2 1007.5 1013.9 1013.0 993.8 DAY 21 10 24 19 20 30 26 13 1 1 9 3 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1004.0 1002.3 998.6 995.5 990.7 984.3 981.8 983.0 989.5 997.3 1002.9 1003.6 994.5 MAX. QFE PRESSURE IN HPA 1009.3 1008.1 1003.8 1000.4 999.5 994.2 986.6 986.5 993.3 1001.3 1008.7 1006.4 1009.3 DAY 12 1 15 7 2 3 16 21 30 25 27 24 MIN. QFE PRESSURE IN HPA 996.5 997.7 992.3 988.3 984.2 979.3 978.1 980.2 983.3 991.3 996.5 996.2 978.1 DAY 21 22 12 19 29 30 26 13 1 2 9 3 MEAN QNH PRESSURE IN HPA 1020.9 1019.1 1015.4 1012.2 1007.4 1000.9 998.4 999.6 1006.2 1014.1 1019.7 1020.5 1011.2 MAX. QNH PRESSURE IN HPA 1026.2 1025.0 1020.7 1017.2 1016.3 1010.9 1003.2 1003.1 1010.0 1018.1 1025.6 1023.3 1026.2 DAY 12 1 15 7 2 3 16 21 30 25 27 24 MIN. QNH PRESSURE IN HPA 1013.3 1014.5 1009.0 1005.0 1000.8 995.8 994.6 996.7 999.9 1008.0 1013.3 1013.0 994.6 DAY 21 22 12 19 29 30 26 13 1 2 9 3 MEAN QFF PRESSURE IN HPA 1021.2 1019.3 1015.4 1011.8 1006.7 999.9 997.3 998.6 1005.4 1013.6 1019.9 1020.6 1010.8 MAX. QFF PRESSURE IN HPA 1026.6 1025.3 1020.9 1016.8 1015.9 1010.4 1002.2 1002.3 1009.4 1017.8 1026.1 1023.5 1026.6 DAY 12 1 15 7 2 3 16 21 30 25 27 24 MIN. QFF PRESSURE IN HPA 1013.3 1014.6 1008.8 1004.5 999.8 994.8 993.4 995.7 998.9 1007.4 1013.1 1012.9 993.4 DAY 21 22 12 19 29 30 26 13 1 2 9 3 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 1002.5 1000.5 997.4 994.0 989.6 983.2 980.6 981.8 988.1 995.9 1001.8 1002.2 993.1 MAX. QFE PRESSURE IN HPA 1009.1 1004.7 1002.9 998.7 998.2 993.5 986.0 985.9 991.8 999.8 1007.2 1005.2 1009.1 DAY 12 26 15 15 2 3 8 21 30 24 27 24 MIN. QFE PRESSURE IN HPA 995.7 994.0 991.0 987.1 982.5 978.5 976.9 978.6 982.0 990.2 995.6 995.8 976.9 DAY 21 22 12 24 29 29 25 13 1 2 9 3 MEAN QNH PRESSURE IN HPA 1019.4 1017.3 1014.2 1010.7 1006.3 999.8 997.1 998.4 1004.7 1012.7 1018.6 1019.1 1009.9 MAX. QNH PRESSURE IN HPA 1026.0 1021.6 1019.8 1015.5 1015.0 1010.2 1002.6 1002.5 1008.5 1016.6 1024.1 1022.1 1026.0 DAY 12 26 15 15 2 3 8 21 30 24 27 24 MIN. QNH PRESSURE IN HPA 1012.5 1010.7 1007.7 1003.7 999.1 995.0 993.4 995.1 998.6 1006.9 1012.4 1012.6 993.4 DAY 21 22 12 24 29 29 25 13 1 2 9 3 MEAN QFF PRESSURE IN HPA 1019.7 1017.5 1014.2 1010.4 1005.5 998.9 996.0 997.4 1003.9 1012.2 1018.8 1019.3 1009.5 MAX. QFF PRESSURE IN HPA 1026.5 1021.8 1020.0 1015.4 1014.7 1009.7 1001.7 1001.6 1007.9 1016.2 1024.7 1022.4 1026.5 DAY 12 26 15 15 2 3 8 21 30 24 27 24 MIN. QFF PRESSURE IN HPA 1012.4 1010.8 1007.4 1003.3 998.2 994.0 992.4 994.0 997.5 1006.3 1012.3 1012.6 992.4 DAY 21 22 12 24 29 29 25 13 1 2 9 3 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1978 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1002.6 1000.2 997.1 993.3 988.5 982.4 979.6 981.1 987.5 995.8 1001.8 1002.4 992.7 MAX. QFE PRESSURE IN HPA 1009.7 1004.4 1002.7 997.9 997.0 992.2 985.2 985.6 991.0 999.9 1007.0 1005.6 1009.7 DAY 12 1 15 15 2 3 8 21 30 24 26 6 MIN. QFE PRESSURE IN HPA 996.3 993.5 990.0 986.4 981.7 978.0 976.0 977.0 981.0 990.0 995.5 997.2 976.0 DAY 25 22 12 24 29 30 25 13 1 1 10 12 MEAN QNH PRESSURE IN HPA 1019.5 1017.0 1013.8 1010.0 1005.2 998.9 996.1 997.7 1004.1 1012.6 1018.6 1019.2 1009.4 MAX. QNH PRESSURE IN HPA 1026.6 1021.3 1019.6 1014.7 1013.8 1008.9 1001.8 1002.2 1007.7 1016.7 1023.9 1022.5 1026.6 DAY 12 1 15 15 2 3 8 21 30 24 26 6 MIN. QNH PRESSURE IN HPA 1013.1 1010.2 1006.7 1003.0 998.3 994.5 992.5 993.5 997.6 1006.7 1012.3 1014.0 992.5 DAY 25 22 12 24 29 30 25 13 1 1 10 12 MEAN QFF PRESSURE IN HPA 1020.0 1017.3 1013.9 1009.8 1004.6 998.1 995.1 996.8 1003.4 1012.3 1019.0 1019.5 1009.2 MAX. QFF PRESSURE IN HPA 1027.2 1021.7 1019.9 1014.8 1013.5 1008.4 1000.9 1001.6 1007.3 1016.5 1024.6 1022.6 1027.2 DAY 12 1 15 1 2 3 8 21 30 24 26 21 MIN. QFF PRESSURE IN HPA 1013.2 1010.3 1006.6 1002.7 997.5 993.6 991.5 992.4 996.7 1006.3 1012.3 1014.1 991.5 DAY 21 22 12 24 29 30 25 13 1 1 10 12 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 1003.5 1001.0 997.7 993.9 989.2 983.1 980.2 981.8 988.2 996.4 1002.5 1003.0 993.4 MAX. QFE PRESSURE IN HPA 1010.2 1004.9 1003.0 998.5 997.6 992.6 985.7 985.9 991.8 1000.3 1007.6 1006.3 1010.2 DAY 12 26 15 1 2 3 8 21 29 24 25 6 MIN. QFE PRESSURE IN HPA 998.0 996.8 990.3 986.7 983.1 978.4 976.8 978.0 981.6 990.3 996.2 997.7 976.8 DAY 25 9 12 24 29 30 25 13 1 1 10 2 MEAN QNH PRESSURE IN HPA 1020.4 1017.8 1014.4 1010.6 1005.9 999.6 996.8 998.4 1004.9 1013.2 1019.3 1019.9 1010.1 MAX. QNH PRESSURE IN HPA 1027.2 1021.8 1019.9 1015.3 1014.4 1009.3 1002.3 1002.5 1008.5 1017.1 1024.5 1023.2 1027.2 DAY 12 26 15 1 2 3 8 21 29 24 25 6 MIN. QNH PRESSURE IN HPA 1014.8 1013.6 1007.0 1003.3 999.7 994.9 993.3 994.5 998.2 1007.0 1013.0 1014.5 993.3 DAY 25 9 12 24 29 30 25 13 1 1 10 2 MEAN QFF PRESSURE IN HPA 1020.9 1018.1 1014.5 1010.3 1005.2 998.7 995.7 997.5 1004.1 1012.8 1019.6 1020.2 1009.8 MAX. QFF PRESSURE IN HPA 1027.8 1022.1 1020.1 1015.2 1014.1 1008.7 1001.4 1001.8 1008.0 1016.9 1025.4 1023.3 1027.8 DAY 12 26 15 1 2 3 8 21 29 24 25 24 MIN. QFF PRESSURE IN HPA 1015.1 1013.9 1006.9 1002.9 998.7 993.9 992.2 993.4 997.0 1006.6 1012.9 1014.6 992.2 DAY 25 9 12 24 29 30 25 13 1 1 10 2 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 1003.5 1001.2 997.8 994.2 989.4 983.5 980.7 982.0 988.5 996.6 1002.6 1003.1 993.6 MAX. QFE PRESSURE IN HPA 1009.9 1005.6 1003.0 999.5 997.2 992.7 985.6 985.9 991.9 999.9 1007.9 1006.3 1009.9 DAY 12 26 15 1 2 3 8 21 17 24 26 6 MIN. QFE PRESSURE IN HPA 994.8 996.8 991.3 987.5 983.9 978.0 977.2 978.9 981.0 990.7 995.8 996.0 977.2 DAY 25 9 12 18 19 30 23 13 1 1 10 2 MEAN QNH PRESSURE IN HPA 1020.4 1018.0 1014.6 1011.0 1006.1 1000.1 997.2 998.6 1005.2 1013.4 1019.4 1020.0 1010.3 MAX. QNH PRESSURE IN HPA 1026.9 1022.5 1019.9 1016.3 1014.0 1009.4 1002.2 1002.5 1008.6 1016.7 1024.8 1023.2 1026.9 DAY 12 26 15 1 2 3 8 21 17 24 26 6 MIN. QNH PRESSURE IN HPA 1011.5 1013.6 1008.0 1004.1 1000.5 994.5 993.7 995.4 997.6 1007.4 1012.6 1012.8 993.7 DAY 25 9 12 18 19 30 23 13 1 1 10 2 MEAN QFF PRESSURE IN HPA 1020.7 1018.2 1014.5 1010.6 1005.3 999.1 996.1 997.6 1004.3 1012.9 1019.6 1020.2 1009.9 MAX. QFF PRESSURE IN HPA 1027.3 1022.7 1020.1 1016.2 1013.7 1008.8 1001.2 1001.7 1008.0 1016.3 1025.1 1023.2 1027.3 DAY 12 26 15 1 2 3 8 21 29 24 26 6 MIN. QFF PRESSURE IN HPA 1011.6 1013.9 1007.8 1003.6 999.5 993.4 992.7 994.3 996.4 1006.8 1012.5 1012.7 992.7 DAY 25 9 12 18 19 30 23 13 1 1 10 2 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1979 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 11.4 14.6 17.0 24.5 28.1 34.2 35.2 34.8 31.2 24.7 16.9 11.2 23.7 MINIMUN AIR TEMPERATURE (C) 6.7 8.3 9.6 16.4 20.3 24.5 25.6 26.2 22.4 16.8 10.0 7.1 16.2 DAYS WITH MINIMUM TEMP. >=21 0 0 0 4 16 27 31 31 19 3 0 0 131 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS LOWEST(C) 2.0 4.0 4.0 10.0 13.0 18.0 22.0 21.0 18.0 11.0 3.0 2.0 2.0 DAY 8 1 6 17 1 11 1 19 30 8 26 24 MAXIMUM AIR TEMPERATURE (C) 17.6 22.0 24.4 32.6 35.8 42.5 45.5 44.2 42.0 34.4 27.7 17.4 32.2 DAYS WITH MAXIMUM TEMP. >=30 0 0 1 26 29 30 31 31 30 25 11 0 214 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 23.0 27.0 31.0 37.0 42.0 46.0 50.0 48.0 46.0 40.0 33.0 24.0 50.0 DAY 5 27 25 7 27 12 30 3 14 1 11 5 DIF. BETWEEN (MAX.-MIN.) (C) 10.9 13.7 14.8 16.2 15.5 18.0 19.9 18.0 19.6 17.6 17.7 10.3 16.0 MEAN DAILY TEMP. (MDT) (C) 12.2 15.2 17.0 24.5 28.1 33.5 35.6 35.2 32.2 25.6 18.8 12.2 24.2 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 3.5 109.0 219.0 376.0 452.5 439.0 304.0 143.5 6.0 0.0 2052.5 HEATING DEG. DAYS(BASE 18 0C) 180.5 79.0 49.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 29.0 179.5 517.0 DEWPOINT (MEAN C) 7.2 9.1 7.6 9.6 13.0 11.6 15.1 16.5 14.8 13.5 10.4 7.9 11.4 MIXING RATIO (G/KG) 6.63 7.39 6.80 7.91 9.76 9.26 11.34 12.35 11.27 10.13 8.31 6.79 8.99 VAPOUR PRESSURE (HPA) 10.57 11.73 10.78 12.49 15.32 14.45 17.57 19.15 17.60 15.98 13.18 10.82 14.14 SATURATION DEF. (HPA) 3.49 5.72 9.72 19.95 25.27 42.64 42.89 39.33 31.32 17.25 7.62 2.98 20.68 RELATIVE HUMIDITY (MEAN %) 79 73 59 43 43 29 33 36 40 55 71 82 54 RELATIVE HUMIDITY (MAX. %) 94 94 86 65 64 48 48 51 58 75 92 96 73 RELATIVE HUMIDITY (MIN. %) 54 46 34 24 26 16 18 22 21 31 38 59 32 RELATIVE HUMIDITY (MEAN% 03UTC) 92 91 79 60 59 45 46 47 55 70 89 93 69 RELATIVE HUMIDITY (MEAN% 09UTC) 61 52 39 29 31 22 23 26 25 35 41 63 37 RELATIVE HUMIDITY (MEAN% 15UTC) 73 63 45 35 35 20 24 29 38 55 71 80 47 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 162.7 14.6 14.9 0.0 17.2 0.0 0.0 0.0 0.0 21.0 17.0 131.2 378.6 DAYS WITH PRECIPITATION >=10 4 0 0 0 0 0 0 0 0 0 1 4 9 DAYS WITH PRECIPITATION >= 5 4 1 1 0 2 0 0 0 0 3 1 6 18 DAYS WITH PRECIPITATION >= 1 9 3 3 0 4 0 0 0 0 4 2 10 35 DAYS WITH PRECIPITATION 12 6 7 0 4 0 0 0 0 4 2 11 46 GREATEST DAILY PRECIPITATION 75.0 8.0 9.0 0.0 7.0 0.0 0.0 0.0 0.0 9.0 13.0 46.0 75.0 DAY 22 11 25 ** 7 ** ** ** ** 25 29 26 DAY WITH THUNDER STORM 2 1 2 1 3 0 0 0 0 2 0 4 15 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 1 5 3 7 5 9 17 14 7 3 2 2 75 WIND DIRECTION (PREVAILING) 90 315 315 135 225 315 225 225 180 225 360 90 225 PREVAILING WIND SPEED(KNOTS) 7.6 8.5 11.5 10.7 7.9 13.0 8.5 7.9 6.5 7.8 10.2 9.9 8.3 PREVAILING WIND PERCENT 5.6 5.8 4.4 8.8 7.3 15.8 14.9 12.1 9.2 4.4 2.1 4.4 6.4 CALMS PERCENT OF WIND 79.4 79.9 76.6 60.8 58.1 44.2 64.5 66.9 73.3 75.8 91.7 84.3 71.3 NO. OF WIND OBSERVATION 248 224 248 240 248 240 248 248 240 248 240 248 2920 VECTOR WIND DIRECTION (MEAN) 105 137 180 196 302 287 189 198 185 309 17 104 220 VECTOR WIND MAGNITUDE(KNOTS) 0.8 0.4 0.6 0.3 0.5 3.4 1.9 1.7 0.9 0.4 0.2 0.6 0.4 WIND STEADINESES (MEAN %) 47.1 21.1 23.1 7.1 13.2 60.7 63.3 68.0 47.4 19.0 28.6 40.0 15.4 WIND SPEED (MEAN KNOTS) 1.7 1.9 2.6 4.2 3.8 5.6 3.0 2.5 1.9 2.1 0.7 1.5 2.6 FASTEST WIND DIRECTION 130 100 140 30 30 330 240 270 30 350 100 120 270 FASTEST WIND SPEED (KNOTS) 25 25 25 25 20 22 20 30 18 18 15 20 30 DAY 9 8 26 25 5 25 10 26 27 20 29 15 DAYS WITH SKY CLEAR (0-2)/8 11 15 15 14 10 22 29 25 29 17 18 15 220 DAYS WITH P.CLOUDY (3-6)/8 7 9 11 8 14 4 2 6 1 12 11 10 95 DAYS WITH CLOUDY (7-8)/8 13 4 5 8 7 3 0 0 0 2 1 6 49 DAYS WITH VISIBILITY =< 2 KM 3 2 2 2 0 3 8 5 3 1 0 3 32 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1979 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1003.3 999.2 997.5 995.5 993.2 986.6 982.3 984.4 990.5 997.7 1000.7 1002.9 994.5 MAX. QFE PRESSURE IN HPA 1011.3 1004.8 1006.0 1001.2 998.7 996.2 988.0 993.0 994.2 1004.4 1007.7 1010.3 1011.3 DAY-HOUR 25- 6 1-18 6- 6 25- 6 19- 6 5- 9 9- 6 30- 6 10- 9 25- 6 25- 6 2- 6 MIN. QFE PRESSURE IN HPA 992.8 992.0 983.2 988.2 988.7 980.4 977.7 977.7 984.5 991.9 992.8 990.4 977.7 DAY-HOUR 9-12 8-12 26-21 22-12 22-15 28-15 30-15 6-15 5-15 1-12 29-12 15-12 MEAN QNH PRESSURE IN HPA 1020.2 1016.0 1014.3 1012.3 1009.9 1003.2 998.8 1001.0 1007.2 1014.5 1017.6 1019.7 1011.2 MAX. QNH PRESSURE IN HPA 1028.3 1021.7 1022.9 1018.0 1015.5 1013.0 1004.6 1009.7 1010.9 1021.3 1024.6 1027.3 1028.3 DAY-HOUR 25- 6 1-18 6- 6 25- 6 19- 6 5- 9 9- 6 30- 6 10- 9 25- 6 25- 6 2- 6 MIN. QNH PRESSURE IN HPA 1009.5 1008.7 999.8 1004.9 1005.4 996.9 994.2 994.2 1001.1 1008.6 1009.5 1007.1 994.2 DAY-HOUR 9-12 8-12 26-21 22-12 22-15 28-15 30-15 6-15 5-15 1-12 29-12 15-12 MEAN QFF PRESSURE IN HPA 1020.5 1016.2 1014.3 1011.9 1009.3 1002.3 997.8 1000.0 1006.4 1014.1 1017.6 1020.1 1010.9 MAX. QFF PRESSURE IN HPA 1028.9 1022.1 1023.3 1017.4 1015.0 1012.1 1003.7 1008.7 1010.0 1021.1 1025.2 1027.8 1028.9 DAY-HOUR 25- 6 1-18 6- 6 25- 6 19- 9 5- 9 9- 6 30- 6 23- 6 25- 6 25- 6 2- 6 MIN. QFF PRESSURE IN HPA 1009.7 1008.8 999.6 1004.1 1004.4 996.0 993.2 993.1 1000.5 1008.0 1009.6 1007.2 993.1 DAY-HOUR 9-15 8-12 26-21 22-12 22-15 22-21 30-15 6-15 5-15 1-12 29-12 15-12 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 1003.2 999.3 997.4 995.3 993.1 986.7 982.1 984.2 990.2 997.4 1000.7 1002.7 994.4 MAX. QFE PRESSURE IN HPA 1008.6 1003.8 1004.4 999.5 997.1 993.9 987.0 991.2 992.6 1002.5 1007.0 1009.8 1009.8 DAY 25 1 6 25 11 6 9 31 24 26 26 3 MIN. QFE PRESSURE IN HPA 993.6 993.4 984.5 990.2 989.5 980.5 978.5 978.9 985.7 992.4 994.5 996.2 978.5 DAY 10 11 27 22 16 23 2 6 6 3 30 20 MEAN QNH PRESSURE IN HPA 1020.1 1016.1 1014.2 1012.0 1009.8 1003.3 998.6 1000.8 1006.9 1014.2 1017.5 1019.6 1011.1 MAX. QNH PRESSURE IN HPA 1025.5 1020.7 1021.3 1016.3 1013.9 1010.6 1003.6 1007.9 1009.3 1019.4 1023.9 1026.7 1026.7 DAY 25 1 6 25 11 6 9 31 24 26 26 3 MIN. QNH PRESSURE IN HPA 1010.3 1010.1 1001.1 1006.9 1006.2 997.0 995.0 995.4 1002.3 1009.1 1011.2 1013.0 995.0 DAY 10 11 27 22 16 23 2 6 6 3 30 20 MEAN QFF PRESSURE IN HPA 1020.2 1016.2 1014.2 1011.6 1009.2 1002.4 997.5 999.7 1006.0 1013.7 1017.5 1019.9 1010.7 MAX. QFF PRESSURE IN HPA 1026.2 1021.0 1021.6 1015.9 1013.4 1009.7 1002.7 1006.9 1008.5 1019.0 1024.2 1027.2 1027.2 DAY 25 1 6 27 19 6 9 31 24 26 26 3 MIN. QFF PRESSURE IN HPA 1010.6 1010.4 1000.9 1006.2 1005.5 996.1 994.0 994.3 1001.5 1008.5 1011.4 1013.2 994.0 DAY 10 11 27 22 16 23 2 6 6 3 30 20 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1003.2 999.1 997.7 995.6 993.3 987.0 982.6 984.8 990.8 997.8 1000.8 1002.9 994.6 MAX. QFE PRESSURE IN HPA 1008.7 1003.6 1004.4 999.7 997.6 994.0 986.9 992.0 993.2 1003.1 1006.0 1009.2 1009.2 DAY 18 1 6 26 19 6 9 30 23 25 25 3 MIN. QFE PRESSURE IN HPA 995.8 994.4 987.4 990.0 990.2 981.2 978.6 979.7 986.3 992.9 994.9 995.3 978.6 DAY 10 11 27 22 23 23 2 6 5 2 30 15 MEAN QNH PRESSURE IN HPA 1020.0 1015.9 1014.5 1012.4 1010.0 1003.6 999.2 1001.4 1007.5 1014.5 1017.6 1019.7 1011.4 MAX. QNH PRESSURE IN HPA 1025.6 1020.5 1021.3 1016.5 1014.4 1010.7 1003.5 1008.7 1009.9 1020.0 1022.9 1026.1 1026.1 DAY 18 1 6 26 19 6 9 30 23 25 25 3 MIN. QNH PRESSURE IN HPA 1012.6 1011.1 1004.0 1006.7 1006.9 997.8 995.1 996.2 1002.9 1009.6 1011.6 1012.0 995.1 DAY 10 11 27 22 23 23 2 6 5 2 30 15 MEAN QFF PRESSURE IN HPA 1020.5 1016.1 1014.6 1012.1 1009.5 1002.7 998.2 1000.5 1006.8 1014.3 1017.8 1020.2 1011.1 MAX. QFF PRESSURE IN HPA 1026.3 1021.0 1021.8 1016.1 1014.0 1009.9 1002.8 1007.9 1009.5 1019.7 1023.5 1026.7 1026.7 DAY 25 1 6 26 19 6 9 31 23 26 25 3 MIN. QFF PRESSURE IN HPA 1012.9 1011.4 1004.0 1006.1 1006.1 996.9 994.2 995.2 1002.3 1009.4 1011.9 1012.2 994.2 DAY 10 11 27 22 23 23 2 6 5 2 30 15 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1979 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1004.3 1000.2 998.7 996.9 994.1 987.6 983.4 985.8 991.9 998.8 1001.9 1003.8 995.6 MAX. QFE PRESSURE IN HPA 1011.3 1004.7 1006.0 1001.2 998.7 995.3 988.0 993.0 994.1 1004.4 1007.7 1010.3 1011.3 DAY 25 1 6 25 19 5 9 30 10 25 25 2 MIN. QFE PRESSURE IN HPA 997.8 995.2 989.5 989.9 991.4 982.0 979.4 979.9 987.0 994.2 993.8 994.6 979.4 DAY 10 10 27 22 22 29 2 5 5 1 29 15 MEAN QNH PRESSURE IN HPA 1021.2 1017.0 1015.5 1013.6 1010.8 1004.3 999.9 1002.5 1008.6 1015.6 1018.8 1020.6 1012.4 MAX. QNH PRESSURE IN HPA 1028.3 1021.6 1022.9 1018.0 1015.5 1012.0 1004.6 1009.7 1010.8 1021.3 1024.6 1027.3 1028.3 DAY 25 1 6 25 19 5 9 30 10 25 25 2 MIN. QNH PRESSURE IN HPA 1014.6 1011.9 1006.2 1006.6 1008.1 998.6 995.9 996.4 1003.6 1010.9 1010.5 1011.3 995.9 DAY 10 10 27 22 22 29 2 5 5 1 29 15 MEAN QFF PRESSURE IN HPA 1021.6 1017.3 1015.5 1013.2 1010.2 1003.3 998.9 1001.4 1007.8 1015.2 1018.9 1021.1 1012.0 MAX. QFF PRESSURE IN HPA 1028.9 1022.1 1023.3 1017.4 1015.0 1011.2 1003.7 1008.7 1010.0 1021.1 1025.2 1027.8 1028.9 DAY 25 1 6 25 19 5 9 30 23 25 25 2 MIN. QFF PRESSURE IN HPA 1014.9 1012.2 1006.1 1006.0 1007.2 997.6 995.0 995.1 1002.8 1010.3 1010.7 1011.5 995.0 DAY 10 10 27 22 22 29 2 5 5 1 29 15 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1003.9 999.9 998.4 996.4 993.9 987.4 983.3 985.4 991.5 998.4 1001.3 1003.4 995.3 MAX. QFE PRESSURE IN HPA 1008.6 1004.4 1005.6 1000.9 998.7 996.2 987.4 992.5 994.2 1003.7 1007.0 1009.5 1009.5 DAY 26 1 6 26 19 5 9 30 10 25 25 2 MIN. QFE PRESSURE IN HPA 996.6 994.6 992.1 989.2 990.5 981.7 979.5 979.6 986.6 993.5 993.7 992.6 979.5 DAY 9 8 26 22 22 23 2 5 5 1 29 15 MEAN QNH PRESSURE IN HPA 1020.8 1016.7 1015.2 1013.1 1010.6 1004.0 999.9 1002.0 1008.2 1015.2 1018.2 1020.3 1012.0 MAX. QNH PRESSURE IN HPA 1025.5 1021.3 1022.5 1017.7 1015.5 1013.0 1004.0 1009.2 1010.9 1020.6 1023.9 1026.4 1026.4 DAY 26 1 6 26 19 5 9 30 10 25 25 2 MIN. QNH PRESSURE IN HPA 1013.4 1011.3 1008.8 1005.9 1007.2 998.3 996.0 996.1 1003.2 1010.2 1010.4 1009.3 996.0 DAY 9 8 26 22 22 23 2 5 5 1 29 15 MEAN QFF PRESSURE IN HPA 1021.1 1016.8 1015.2 1012.6 1009.9 1003.0 998.8 1000.9 1007.3 1014.6 1018.1 1020.6 1011.6 MAX. QFF PRESSURE IN HPA 1026.1 1021.6 1022.8 1017.2 1015.0 1012.1 1003.0 1008.2 1010.0 1020.2 1024.1 1026.8 1026.8 DAY 26 1 6 26 19 5 9 30 10 25 25 2 MIN. QFF PRESSURE IN HPA 1013.7 1011.5 1008.7 1005.2 1006.2 997.1 995.0 994.9 1002.3 1009.5 1010.6 1009.4 994.9 DAY 9 8 26 22 22 23 2 5 5 1 29 15 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 1002.4 998.6 996.9 995.1 993.0 986.3 982.0 984.1 990.1 997.3 1000.0 1002.1 994.0 MAX. QFE PRESSURE IN HPA 1006.7 1004.1 1003.5 1000.0 996.9 995.6 986.1 991.5 992.7 1003.2 1004.8 1008.2 1008.2 DAY 17 1 6 26 19 5 9 30 10 25 25 2 MIN. QFE PRESSURE IN HPA 992.8 992.0 987.6 988.2 990.1 980.7 979.1 978.5 984.8 991.9 992.8 990.4 978.5 DAY 9 8 26 22 22 28 2 6 5 1 29 15 MEAN QNH PRESSURE IN HPA 1019.2 1015.4 1013.7 1011.9 1009.7 1002.9 998.6 1000.7 1006.8 1014.0 1016.8 1019.0 1010.7 MAX. QNH PRESSURE IN HPA 1023.6 1021.0 1020.4 1016.8 1013.7 1012.4 1002.7 1008.2 1009.4 1020.1 1021.7 1025.1 1025.1 DAY 17 1 6 26 19 5 9 30 10 25 25 2 MIN. QNH PRESSURE IN HPA 1009.5 1008.7 1004.2 1004.9 1006.8 997.2 995.6 995.0 1001.4 1008.6 1009.5 1007.1 995.0 DAY 9 8 26 22 22 28 2 6 5 1 29 15 MEAN QFF PRESSURE IN HPA 1019.5 1015.5 1013.7 1011.4 1009.1 1002.0 997.5 999.6 1005.9 1013.5 1016.7 1019.3 1010.3 MAX. QFF PRESSURE IN HPA 1023.9 1021.3 1020.7 1016.4 1013.2 1011.6 1001.8 1007.2 1008.5 1019.7 1021.9 1025.5 1025.5 DAY 26 1 6 26 19 5 9 30 10 25 25 2 MIN. QFF PRESSURE IN HPA 1009.7 1008.8 1004.1 1004.1 1005.8 996.3 994.5 993.9 1000.5 1008.0 1009.6 1007.2 993.9 DAY 9 8 26 22 22 28 25 6 5 1 29 15 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1979 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1002.8 998.4 996.6 994.5 992.5 985.5 981.2 983.3 989.4 997.2 1000.0 1002.3 993.6 MAX. QFE PRESSURE IN HPA 1010.0 1004.5 1003.4 998.6 996.2 994.8 985.9 990.8 992.1 1002.8 1006.0 1008.2 1010.0 DAY 25 1 5 26 19 5 8 30 28 25 25 2 MIN. QFE PRESSURE IN HPA 992.8 992.2 985.7 988.7 988.7 980.4 977.7 977.7 984.5 992.1 993.3 992.9 977.7 DAY 9 8 26 22 22 28 30 6 5 2 29 15 MEAN QNH PRESSURE IN HPA 1019.6 1015.2 1013.4 1011.2 1009.2 1002.1 997.7 999.9 1006.1 1013.9 1016.8 1019.2 1010.4 MAX. QNH PRESSURE IN HPA 1027.0 1021.4 1020.3 1015.4 1013.0 1011.5 1002.5 1007.5 1008.8 1019.7 1022.9 1025.1 1027.0 DAY 25 1 5 26 19 5 8 30 28 25 25 2 MIN. QNH PRESSURE IN HPA 1009.5 1008.9 1002.3 1005.4 1005.4 996.9 994.2 994.2 1001.1 1008.8 1010.0 1009.6 994.2 DAY 9 8 26 22 22 28 30 6 5 2 29 15 MEAN QFF PRESSURE IN HPA 1020.1 1015.5 1013.5 1010.9 1008.7 1001.3 996.8 998.9 1005.4 1013.7 1017.0 1019.6 1010.1 MAX. QFF PRESSURE IN HPA 1027.7 1021.9 1020.7 1015.0 1012.6 1010.8 1001.8 1006.6 1008.4 1019.3 1023.4 1025.7 1027.7 DAY 25 1 6 26 19 5 8 30 30 25 25 2 MIN. QFF PRESSURE IN HPA 1009.7 1009.0 1002.2 1004.8 1004.4 996.1 993.2 993.1 1000.5 1008.5 1010.1 1009.9 993.1 DAY 9 8 26 22 22 28 30 6 5 2 29 15 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 1003.4 999.1 997.2 995.3 992.9 986.1 981.7 983.9 990.2 997.7 1000.6 1003.0 994.2 MAX. QFE PRESSURE IN HPA 1009.8 1004.8 1003.9 1000.2 996.8 995.6 986.4 991.4 993.1 1002.8 1006.7 1009.6 1009.8 DAY 25 1 5 24 19 5 8 30 28 25 25 2 MIN. QFE PRESSURE IN HPA 993.5 992.6 984.1 990.5 989.7 980.5 978.2 978.3 985.5 992.5 994.4 997.5 978.2 DAY 9 10 26 22 22 22 1 5 5 1 29 20 MEAN QNH PRESSURE IN HPA 1020.2 1015.9 1013.9 1012.0 1009.6 1002.7 998.3 1000.5 1006.9 1014.4 1017.4 1019.9 1011.0 MAX. QNH PRESSURE IN HPA 1026.7 1021.7 1020.8 1017.0 1013.6 1012.4 1003.0 1008.1 1009.8 1019.7 1023.6 1026.5 1026.7 DAY 25 1 5 24 19 5 8 30 28 25 25 2 MIN. QNH PRESSURE IN HPA 1010.2 1009.3 1000.7 1007.2 1006.4 997.0 994.7 994.8 1002.1 1009.2 1011.1 1014.3 994.7 DAY 9 10 26 22 22 22 1 5 5 1 29 20 MEAN QFF PRESSURE IN HPA 1020.7 1016.1 1014.0 1011.6 1009.0 1001.7 997.2 999.5 1006.1 1014.0 1017.5 1020.4 1010.7 MAX. QFF PRESSURE IN HPA 1027.5 1022.1 1021.1 1016.5 1013.1 1011.6 1002.1 1007.1 1009.2 1019.4 1024.2 1027.1 1027.5 DAY 25 1 5 24 19 5 8 30 28 25 25 2 MIN. QFF PRESSURE IN HPA 1010.5 1009.5 1000.4 1006.6 1005.5 996.0 993.7 993.7 1001.4 1008.7 1011.2 1014.7 993.7 DAY 9 10 26 22 22 22 1 5 5 1 29 20 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 1003.5 999.2 997.3 995.5 993.0 986.4 982.0 984.2 990.2 997.7 1000.7 1003.0 994.4 MAX. QFE PRESSURE IN HPA 1010.6 1004.8 1004.4 1000.0 997.2 994.8 987.2 991.6 993.2 1002.2 1006.6 1009.8 1010.6 DAY 25 1 5 24 18 5 8 31 30 25 25 2 MIN. QFE PRESSURE IN HPA 993.3 992.6 983.2 991.8 989.5 980.5 978.2 978.5 985.8 992.5 994.9 996.8 978.2 DAY 9 10 26 21 15 22 1 5 5 1 29 14 MEAN QNH PRESSURE IN HPA 1020.3 1016.0 1014.1 1012.3 1009.7 1003.0 998.6 1000.8 1006.9 1014.5 1017.6 1019.9 1011.1 MAX. QNH PRESSURE IN HPA 1027.6 1021.7 1021.3 1016.8 1014.0 1011.5 1003.8 1008.3 1009.9 1019.0 1023.5 1026.7 1027.6 DAY 25 1 5 24 18 5 8 31 30 25 25 2 MIN. QNH PRESSURE IN HPA 1010.0 1009.3 999.8 1008.5 1006.2 997.0 994.7 995.0 1002.4 1009.2 1011.6 1013.6 994.7 DAY 9 10 26 21 15 22 1 5 5 1 29 14 MEAN QFF PRESSURE IN HPA 1020.4 1016.1 1014.1 1011.8 1009.0 1002.0 997.6 999.8 1006.0 1013.9 1017.5 1020.2 1010.7 MAX. QFF PRESSURE IN HPA 1026.1 1021.9 1021.6 1016.2 1013.6 1010.7 1002.9 1007.3 1009.3 1018.6 1023.7 1027.1 1027.1 DAY 24 1 5 24 18 5 8 31 30 25 25 2 MIN. QFF PRESSURE IN HPA 1010.3 1009.4 999.6 1007.8 1005.4 996.0 993.6 993.9 1001.5 1008.5 1011.8 1013.6 993.6 DAY 9 10 26 21 15 22 1 5 5 1 29 14 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1980 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 9.2 11.8 17.4 23.0 28.5 34.7 37.8 34.6 30.9 26.3 19.3 12.3 23.8 MINIMUN AIR TEMPERATURE (C) 4.5 6.3 11.3 15.3 19.0 23.5 26.9 23.8 19.8 15.0 12.8 7.7 15.5 DAYS WITH MINIMUM TEMP. >=21 0 0 0 1 10 23 31 31 13 4 0 0 113 DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH FREEZING MIN.<= 0 3 2 0 0 0 0 0 0 0 0 0 0 5 TEMPERATURE RECORDS LOWEST(C) -2.0 -1.0 2.0 7.0 13.0 18.0 24.0 21.0 11.0 10.0 8.0 3.0 -2.0 DAY 31 2 5 17 2 9 30 19 23 29 25 21 MAXIMUM AIR TEMPERATURE (C) 15.3 18.0 24.7 31.2 37.8 46.1 48.2 45.3 41.2 35.2 25.3 19.1 32.3 DAYS WITH MAXIMUM TEMP. >=30 0 0 4 21 30 30 31 31 28 30 8 0 213 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 19.0 24.0 32.0 38.0 44.0 50.0 50.0 50.0 46.0 42.0 33.0 25.0 50.0 DAY 4 28 31 22 23 24 7 4 4 1 14 27 DIF. BETWEEN (MAX.-MIN.) (C) 10.8 11.7 13.4 15.9 18.8 22.6 21.3 21.5 21.4 20.2 12.5 11.4 16.8 MEAN DAILY TEMP. (MDT) (C) 9.9 12.2 18.0 23.2 28.4 34.8 37.6 34.5 30.5 25.1 19.1 13.4 23.9 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 15.5 87.0 230.5 413.5 514.0 420.0 270.0 130.5 5.5 0.0 2086.5 HEATING DEG. DAYS(BASE 18 0C) 251.5 169.5 55.0 3.0 0.0 0.0 0.0 0.0 0.0 0.0 18.5 142.5 640.0 DEWPOINT (MEAN C) 5.9 8.2 11.3 12.6 15.6 8.2 8.3 8.8 7.5 10.0 12.1 8.3 9.7 MIXING RATIO (G/KG) 6.03 7.05 8.86 9.66 11.80 7.23 7.16 7.37 7.04 8.00 9.09 7.01 8.03 VAPOUR PRESSURE (HPA) 9.62 11.20 14.00 15.20 18.41 11.30 11.16 11.51 11.04 12.63 14.41 11.17 12.64 SATURATION DEF. (HPA) 2.47 3.17 7.33 14.74 23.65 48.69 59.15 47.60 37.83 26.94 9.52 3.74 23.74 RELATIVE HUMIDITY (MEAN %) 83 82 71 56 48 23 18 23 26 37 66 80 51 RELATIVE HUMIDITY (MAX. %) 96 96 92 79 70 39 29 37 44 57 87 96 69 RELATIVE HUMIDITY (MIN. %) 58 60 44 33 32 11 11 12 15 23 48 54 33 RELATIVE HUMIDITY (MEAN% 03UTC) 95 92 87 73 66 36 28 35 39 56 86 91 65 RELATIVE HUMIDITY (MEAN% 09UTC) 64 66 51 37 36 13 12 15 19 25 53 58 37 RELATIVE HUMIDITY (MEAN% 15UTC) 78 73 60 47 40 17 13 15 25 36 68 78 46 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 80.1 194.9 41.0 9.4 1.0 0.0 0.0 0.0 0.0 0.0 61.0 76.0 463.4 DAYS WITH PRECIPITATION >=10 2 6 1 0 0 0 0 0 0 0 3 3 15 DAYS WITH PRECIPITATION >= 5 5 8 4 1 0 0 0 0 0 0 4 3 25 DAYS WITH PRECIPITATION >= 1 8 10 8 4 1 0 0 0 0 0 9 6 46 DAYS WITH PRECIPITATION 10 11 10 7 1 0 0 0 0 0 10 7 56 GREATEST DAILY PRECIPITATION 30.0 52.0 20.0 5.0 1.0 0.0 0.0 0.0 0.0 0.0 19.0 28.0 52.0 DAY 23 11 19 8 5 ** ** ** ** ** 28 17 DAY WITH THUNDER STORM 2 3 5 0 0 0 0 0 0 0 5 2 17 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 0 0 3 8 7 9 11 6 5 9 5 4 67 WIND DIRECTION (PREVAILING) 90 135 90 135 225 225 225 225 225 225 315 90 225 PREVAILING WIND SPEED(KNOTS) 8.0 8.0 7.7 7.3 8.7 8.8 9.0 7.7 8.5 8.0 8.2 6.0 8.3 PREVAILING WIND PERCENT 4.8 5.2 9.3 7.9 13.7 10.8 18.5 14.5 9.7 10.3 5.3 2.8 8.1 CALMS PERCENT OF WIND 79.8 80.6 73.0 54.2 53.2 47.5 52.8 61.3 73.4 66.8 73.7 87.5 66.8 NO. OF WIND OBSERVATION 248 232 248 240 248 240 248 248 207 232 190 248 2829 VECTOR WIND DIRECTION (MEAN) 124 82 119 205 286 269 208 189 254 219 338 139 220 VECTOR WIND MAGNITUDE(KNOTS) 0.5 0.6 1.3 0.5 1.8 1.9 2.6 2.0 1.2 1.0 0.4 0.3 0.6 WIND STEADINESES (MEAN %) 33.3 37.5 59.1 13.2 42.9 40.4 66.7 71.4 50.0 35.7 18.2 33.3 21.4 WIND SPEED (MEAN KNOTS) 1.5 1.6 2.2 3.8 4.2 4.7 3.9 2.8 2.4 2.8 2.2 0.9 2.8 FASTEST WIND DIRECTION 240 330 120 330 240 340 240 240 350 330 330 150 330 FASTEST WIND SPEED (KNOTS) 14 18 20 25 25 25 18 15 20 20 20 12 25 DAY 16 1 21 23 23 11 6 10 13 2 19 11 DAYS WITH SKY CLEAR (0-2)/8 15 11 12 11 22 30 27 31 29 23 13 15 239 DAYS WITH P.CLOUDY (3-6)/8 5 8 9 12 5 0 4 0 0 8 10 9 70 DAYS WITH CLOUDY (7-8)/8 11 10 10 7 4 0 0 0 0 0 7 7 56 DAYS WITH VISIBILITY =< 2 KM 3 6 0 1 0 2 1 1 1 0 4 10 29 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1980 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1003.4 1000.2 998.0 995.3 991.5 983.8 981.6 983.6 990.3 995.8 1001.4 1002.4 993.9 MAX. QFE PRESSURE IN HPA 1008.4 1007.9 1008.1 1003.8 997.4 989.8 985.8 988.9 997.8 1000.7 1006.7 1008.5 1008.5 DAY-HOUR 8- 6 22- 6 4-18 17- 6 15- 9 10- 6 18- 6 31- 6 25- 6 31- 9 12- 6 13- 6 MIN. QFE PRESSURE IN HPA 994.0 985.2 987.2 987.6 986.4 978.6 977.8 977.5 984.2 990.6 994.8 986.9 977.5 DAY-HOUR 23-21 24-21 18-21 25-15 18- 0 29-15 28-15 7-15 3-15 11-12 15-15 11-12 MEAN QNH PRESSURE IN HPA 1020.2 1017.0 1014.8 1012.0 1008.2 1000.4 998.1 1000.2 1007.0 1012.6 1018.3 1019.3 1010.7 MAX. QNH PRESSURE IN HPA 1025.3 1024.8 1025.0 1020.7 1014.2 1006.5 1002.4 1005.6 1014.6 1017.5 1023.6 1025.4 1025.4 DAY-HOUR 8- 6 22- 6 4-18 17- 6 15- 9 10- 6 18- 6 31- 6 25- 6 31- 9 12- 6 13- 6 MIN. QNH PRESSURE IN HPA 1010.7 1001.8 1003.8 1004.2 1003.0 995.1 994.3 994.0 1000.8 1007.3 1011.5 1003.5 994.0 DAY-HOUR 23-21 24-21 18-21 25-15 18- 0 29-15 28-15 7-15 3-15 11-12 15-15 11-12 MEAN QFF PRESSURE IN HPA 1020.7 1017.3 1014.8 1011.7 1007.5 999.4 997.0 999.3 1005.2 ****** ****** 1019.4 ****** MAX. QFF PRESSURE IN HPA 1026.2 1025.3 1025.6 1020.8 1013.7 1005.7 1001.2 1004.7 1012.9 ****** ****** 1026.1 ****** DAY-HOUR 9- 6 22- 6 4-18 17- 6 1- 9 10- 6 11- 6 31- 6 26- 3 **-** **-** 13- 6 MIN. QFF PRESSURE IN HPA 1011.0 1002.0 1003.6 1003.7 1002.4 994.1 993.3 993.0 999.9 ****** ****** 1003.7 ****** DAY-HOUR 23-21 24-21 18-21 25-15 18- 0 29-15 28-15 7-15 3-15 **-** **-** 11-12 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 1003.3 1000.2 997.7 995.1 991.4 983.8 981.3 983.2 989.9 995.6 1001.1 1002.5 993.8 MAX. QFE PRESSURE IN HPA 1007.8 1006.4 1007.0 1001.9 996.1 987.6 984.2 987.4 996.4 999.3 1004.6 1007.4 1007.8 DAY 8 22 5 21 16 10 25 31 26 23 12 13 MIN. QFE PRESSURE IN HPA 994.0 985.2 987.8 989.2 986.4 979.5 979.0 978.1 984.9 991.1 995.7 996.4 978.1 DAY 24 25 19 25 18 30 4 8 14 11 16 11 MEAN QNH PRESSURE IN HPA 1020.1 1017.0 1014.5 1011.8 1008.1 1000.4 997.9 999.7 1006.6 1012.4 1018.0 1019.3 1010.5 MAX. QNH PRESSURE IN HPA 1024.7 1023.3 1023.9 1018.7 1012.9 1004.2 1000.8 1004.0 1013.2 1016.1 1021.5 1024.3 1024.7 DAY 8 22 5 21 16 10 25 31 26 23 12 13 MIN. QNH PRESSURE IN HPA 1010.7 1001.8 1004.4 1005.9 1003.0 996.0 995.5 994.6 1001.5 1007.8 1012.5 1013.2 994.6 DAY 24 25 19 25 18 30 4 8 14 11 16 11 MEAN QFF PRESSURE IN HPA 1020.5 1017.3 1014.5 1011.5 1007.4 999.4 996.8 998.8 1004.6 ****** ****** 1019.4 ****** MAX. QFF PRESSURE IN HPA 1025.3 1023.6 1024.4 1018.4 1012.4 1003.4 999.7 1003.1 1010.5 ****** ****** 1025.0 ****** DAY 8 22 5 21 16 10 25 31 23 ** ** 13 MIN. QFF PRESSURE IN HPA 1011.0 1002.1 1004.4 1005.2 1002.4 994.9 994.4 993.5 1000.5 ****** ****** 1013.4 ****** DAY 24 25 19 25 18 30 4 8 14 ** ** 11 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1003.3 1000.1 997.6 995.6 991.7 984.1 981.9 983.7 990.3 995.7 1001.3 1002.3 994.0 MAX. QFE PRESSURE IN HPA 1007.8 1006.7 1006.9 1002.7 995.9 988.7 984.5 988.2 996.4 999.6 1004.8 1006.7 1007.8 DAY 8 22 5 17 16 10 11 31 26 31 12 13 MIN. QFE PRESSURE IN HPA 995.0 987.2 988.2 988.6 987.5 980.2 978.5 979.2 985.2 991.3 995.6 994.6 978.5 DAY 24 25 1 25 18 30 9 8 14 11 15 11 MEAN QNH PRESSURE IN HPA 1020.1 1016.9 1014.4 1012.3 1008.4 1000.7 998.5 1000.3 1007.0 1012.5 1018.2 1019.1 1010.7 MAX. QNH PRESSURE IN HPA 1024.7 1023.6 1023.8 1019.6 1012.7 1005.4 1001.1 1004.9 1013.2 1016.4 1021.7 1023.6 1024.7 DAY 8 22 5 17 16 10 11 31 26 31 12 13 MIN. QNH PRESSURE IN HPA 1011.7 1003.8 1004.9 1005.3 1004.1 996.7 995.0 995.7 1001.8 1008.0 1012.4 1011.3 995.0 DAY 24 25 1 25 18 30 9 8 14 11 15 11 MEAN QFF PRESSURE IN HPA 1020.6 1017.4 1014.5 1012.1 1007.9 999.9 997.4 999.5 1006.4 1012.3 1018.2 1019.6 1010.5 MAX. QFF PRESSURE IN HPA 1025.6 1024.1 1024.5 1019.7 1012.2 1004.7 1000.2 1004.0 1012.9 1016.5 1021.8 1024.3 1025.6 DAY 8 22 5 17 1 10 11 31 26 31 12 13 MIN. QFF PRESSURE IN HPA 1012.2 1004.1 1004.9 1004.8 1003.6 995.7 994.0 994.8 1001.1 1007.8 1012.2 1011.7 994.0 DAY 24 25 1 25 18 30 9 8 14 11 15 11 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1980 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1004.3 1001.3 998.8 996.6 992.5 984.8 982.7 984.5 991.5 996.8 1002.6 1003.4 995.0 MAX. QFE PRESSURE IN HPA 1008.4 1007.9 1007.2 1003.8 996.6 989.8 985.8 988.9 997.8 1000.4 1006.7 1008.5 1008.5 DAY 8 22 5 17 1 10 18 31 25 31 12 13 MIN. QFE PRESSURE IN HPA 996.9 990.3 988.3 989.8 988.2 980.8 979.0 980.0 986.5 991.9 996.4 993.6 979.0 DAY 23 25 1 25 18 27 9 7 14 11 15 11 MEAN QNH PRESSURE IN HPA 1021.1 1018.2 1015.6 1013.3 1009.2 1001.4 999.3 1001.1 1008.2 1013.6 1019.4 1020.3 1011.7 MAX. QNH PRESSURE IN HPA 1025.3 1024.8 1024.1 1020.7 1013.4 1006.5 1002.4 1005.6 1014.6 1017.2 1023.6 1025.4 1025.4 DAY 8 22 5 17 1 10 18 31 25 31 12 13 MIN. QNH PRESSURE IN HPA 1013.7 1007.0 1005.0 1006.5 1004.9 997.3 995.5 996.5 1003.1 1008.6 1013.2 1010.3 995.5 DAY 23 25 1 25 18 27 9 7 14 11 15 11 MEAN QFF PRESSURE IN HPA 1021.7 1018.6 1015.6 1013.0 1008.5 1000.4 998.1 1000.1 1006.0 ****** ****** 1020.4 ****** MAX. QFF PRESSURE IN HPA 1026.2 1025.3 1024.6 1020.8 1012.9 1005.7 1001.2 1004.7 1010.1 ****** ****** 1026.1 ****** DAY 9 22 5 17 1 10 11 31 22 ** ** 13 MIN. QFF PRESSURE IN HPA 1013.8 1007.2 1005.1 1005.9 1004.1 996.1 994.2 995.5 1002.3 ****** ****** 1010.7 ****** DAY 23 25 1 25 18 29 9 7 14 ** ** 11 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1004.0 1001.0 998.6 996.1 992.3 984.5 982.4 984.3 991.0 996.3 1002.0 1002.7 994.6 MAX. QFE PRESSURE IN HPA 1008.3 1007.7 1007.5 1003.4 997.4 989.2 985.5 988.8 997.2 1000.7 1005.6 1007.3 1008.3 DAY 8 22 4 17 15 10 11 31 25 31 2 13 MIN. QFE PRESSURE IN HPA 996.4 989.8 989.0 989.0 988.8 980.4 979.3 979.6 986.0 991.4 995.7 989.8 979.3 DAY 23 11 1 3 18 29 9 7 14 11 15 11 MEAN QNH PRESSURE IN HPA 1020.8 1017.9 1015.4 1012.9 1009.0 1001.1 999.0 1000.9 1007.7 1013.0 1018.8 1019.6 1011.3 MAX. QNH PRESSURE IN HPA 1025.2 1024.6 1024.4 1020.3 1014.2 1005.9 1002.1 1005.5 1014.0 1017.5 1022.5 1024.2 1025.2 DAY 8 22 4 17 15 10 11 31 25 31 2 13 MIN. QNH PRESSURE IN HPA 1013.2 1006.5 1005.7 1005.7 1005.5 996.9 995.8 996.1 1002.6 1008.1 1012.5 1006.5 995.8 DAY 23 11 1 3 18 29 9 7 14 11 15 11 MEAN QFF PRESSURE IN HPA 1021.3 1018.2 1015.4 1012.5 1008.2 1000.1 997.8 999.9 1005.5 ****** ****** 1019.5 ****** MAX. QFF PRESSURE IN HPA 1025.9 1024.9 1025.0 1020.4 1013.7 1005.1 1000.9 1004.4 1010.2 ****** ****** 1024.7 ****** DAY 8 22 4 17 1 10 11 31 22 ** ** 13 MIN. QFF PRESSURE IN HPA 1013.3 1006.5 1005.8 1005.1 1004.6 995.7 994.5 995.1 1001.3 ****** ****** 1006.7 ****** DAY 23 11 1 3 31 30 9 7 3 ** ** 11 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 1002.7 999.6 997.6 995.0 991.3 983.6 981.4 983.5 989.9 995.2 1001.0 1001.5 993.5 MAX. QFE PRESSURE IN HPA 1006.6 1005.6 1007.1 1001.8 996.6 988.3 985.0 987.3 996.1 999.6 1004.2 1005.8 1007.1 DAY 7 21 4 20 15 10 11 31 25 31 12 13 MIN. QFE PRESSURE IN HPA 994.4 989.0 988.5 988.6 987.6 979.5 978.6 978.8 984.8 990.6 995.0 986.9 978.6 DAY 23 11 1 13 17 29 9 7 13 11 15 11 MEAN QNH PRESSURE IN HPA 1019.6 1016.4 1014.4 1011.8 1008.0 1000.2 997.9 1000.1 1006.5 1011.9 1017.8 1018.4 1010.2 MAX. QNH PRESSURE IN HPA 1023.5 1022.5 1024.0 1018.6 1013.4 1005.0 1001.6 1003.9 1012.9 1016.4 1021.1 1022.7 1024.0 DAY 7 21 4 20 15 10 11 31 25 31 12 13 MIN. QNH PRESSURE IN HPA 1011.1 1005.7 1005.2 1005.3 1004.2 996.0 995.1 995.3 1001.4 1007.3 1011.7 1003.5 995.1 DAY 23 11 1 13 17 29 9 7 13 11 15 11 MEAN QFF PRESSURE IN HPA 1020.0 1016.7 1014.3 1011.4 1007.3 999.2 996.8 999.1 1004.4 ****** ****** 1018.3 ****** MAX. QFF PRESSURE IN HPA 1024.0 1022.8 1024.5 1018.5 1012.8 1004.2 1000.5 1003.0 1009.4 ****** ****** 1023.2 ****** DAY 7 21 4 17 15 10 11 31 22 ** ** 13 MIN. QFF PRESSURE IN HPA 1011.3 1005.9 1005.0 1004.6 1003.4 994.9 994.1 994.3 1000.2 ****** ****** 1003.7 ****** DAY 23 11 1 25 17 30 9 7 13 ** ** 11 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1980 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 1002.8 999.5 997.4 994.4 990.5 982.9 980.5 982.9 989.4 995.1 1001.0 1001.9 993.2 MAX. QFE PRESSURE IN HPA 1007.2 1005.8 1007.1 1001.8 996.2 987.0 983.6 986.4 995.7 999.3 1004.8 1005.8 1007.2 DAY 7 21 4 20 15 10 11 31 25 31 27 13 MIN. QFE PRESSURE IN HPA 994.4 987.7 988.4 987.6 986.8 978.6 977.8 977.5 984.2 990.8 994.8 991.4 977.5 DAY 23 24 18 25 31 29 28 7 3 11 15 11 MEAN QNH PRESSURE IN HPA 1019.6 1016.3 1014.1 1011.1 1007.2 999.5 997.1 999.5 1006.1 1011.8 1017.9 1018.7 1009.9 MAX. QNH PRESSURE IN HPA 1024.1 1022.7 1024.0 1018.6 1013.0 1003.6 1000.2 1003.0 1012.5 1016.1 1021.7 1022.7 1024.1 DAY 7 21 4 20 15 10 11 31 25 31 27 13 MIN. QNH PRESSURE IN HPA 1011.1 1004.3 1005.1 1004.2 1003.4 995.1 994.3 994.0 1000.8 1007.5 1011.5 1008.1 994.0 DAY 23 24 18 25 31 29 28 7 3 11 15 11 MEAN QFF PRESSURE IN HPA 1020.2 1016.7 1014.2 1010.9 1006.6 998.6 996.0 998.6 1005.3 1011.6 1017.9 1019.1 1009.6 MAX. QFF PRESSURE IN HPA 1024.8 1023.1 1024.6 1018.6 1012.6 1002.9 999.2 1002.2 1011.3 1016.2 1022.1 1023.4 1024.8 DAY 7 21 4 20 15 10 11 31 28 31 27 13 MIN. QFF PRESSURE IN HPA 1011.3 1004.7 1005.2 1003.7 1002.7 994.1 993.3 993.0 999.9 1007.2 1011.5 1008.3 993.0 DAY 23 24 18 25 23 29 28 7 3 1 15 11 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 1003.4 999.8 998.0 994.8 991.0 983.3 981.2 983.5 990.2 996.1 1001.4 1002.6 993.8 MAX. QFE PRESSURE IN HPA 1007.6 1006.6 1008.1 1002.3 996.9 986.9 983.8 987.4 996.8 999.1 1004.5 1006.8 1008.1 DAY 7 21 4 20 15 1 11 30 25 30 11 20 MIN. QFE PRESSURE IN HPA 994.4 985.5 987.5 988.5 986.9 979.4 978.4 978.3 985.2 991.5 995.7 996.6 978.3 DAY 23 24 18 25 28 29 3 7 3 10 15 11 MEAN QNH PRESSURE IN HPA 1020.3 1016.6 1014.8 1011.6 1007.7 999.9 997.7 1000.1 1006.9 1012.9 1018.2 1019.5 1010.5 MAX. QNH PRESSURE IN HPA 1024.5 1023.5 1025.0 1019.1 1013.7 1003.5 1000.4 1004.0 1013.6 1015.9 1021.4 1023.7 1025.0 DAY 7 21 4 20 15 1 11 30 25 30 11 20 MIN. QNH PRESSURE IN HPA 1011.1 1002.1 1004.1 1005.2 1003.5 995.9 994.9 994.8 1001.8 1008.2 1012.5 1013.4 994.8 DAY 23 24 18 25 28 29 3 7 3 10 15 11 MEAN QFF PRESSURE IN HPA 1020.9 1017.0 1014.8 1011.3 1007.0 998.9 996.6 999.1 1004.8 ****** ****** 1019.7 ****** MAX. QFF PRESSURE IN HPA 1025.2 1024.0 1025.6 1018.9 1013.1 1002.8 999.3 1003.2 1010.5 ****** ****** 1024.3 ****** DAY 7 21 4 20 15 1 24 30 22 ** ** 20 MIN. QFF PRESSURE IN HPA 1011.4 1002.3 1004.0 1004.7 1002.7 994.8 993.7 993.8 1000.9 ****** ****** 1013.7 ****** DAY 23 24 18 25 28 30 3 7 3 ** ** 11 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 1003.4 999.8 998.3 994.9 991.3 983.5 981.5 983.6 990.2 996.0 1001.2 1002.6 993.8 MAX. QFE PRESSURE IN HPA 1007.8 1006.4 1007.9 1002.4 996.6 987.8 984.6 987.6 996.5 1000.0 1004.5 1007.0 1007.9 DAY 7 21 4 20 15 1 24 30 25 31 11 13 MIN. QFE PRESSURE IN HPA 994.0 985.2 987.2 989.2 987.0 979.7 978.6 978.6 984.9 991.2 995.7 996.9 978.6 DAY 23 24 18 25 17 29 3 7 13 10 15 10 MEAN QNH PRESSURE IN HPA 1020.2 1016.6 1015.1 1011.7 1008.0 1000.1 998.0 1000.2 1006.9 1012.8 1018.0 1019.4 1010.6 MAX. QNH PRESSURE IN HPA 1024.7 1023.3 1024.8 1019.2 1013.4 1004.4 1001.2 1004.2 1013.3 1016.8 1021.4 1023.9 1024.8 DAY 7 21 4 20 15 1 24 30 25 31 11 13 MIN. QNH PRESSURE IN HPA 1010.7 1001.8 1003.8 1005.9 1003.6 996.2 995.1 995.1 1001.5 1007.9 1012.5 1013.7 995.1 DAY 23 24 18 25 17 29 3 7 13 10 15 10 MEAN QFF PRESSURE IN HPA 1020.7 1016.9 1015.0 1011.3 1007.3 999.0 996.9 999.2 1004.8 ****** ****** 1019.4 ****** MAX. QFF PRESSURE IN HPA 1025.3 1023.7 1025.4 1019.0 1012.9 1003.6 1000.0 1003.3 1010.3 ****** ****** 1024.4 ****** DAY 7 21 4 20 15 1 24 30 22 ** ** 13 MIN. QFF PRESSURE IN HPA 1011.0 1002.0 1003.6 1005.2 1002.9 995.0 993.9 994.1 1000.3 ****** ****** 1013.9 ****** DAY 23 24 18 25 28 29 3 7 13 ** ** 10 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1981 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 11.3 12.6 17.5 22.2 27.5 32.4 35.6 34.3 31.0 24.1 16.8 13.2 23.2 MINIMUN AIR TEMPERATURE (C) 6.1 7.0 10.4 14.3 18.4 22.5 25.1 24.1 21.4 15.5 9.0 7.5 15.1 DAYS WITH MINIMUM TEMP. >=21 0 0 0 4 9 23 31 29 17 2 1 0 116 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 3.0 6.0 10.0 16.0 21.0 19.0 15.0 12.0 2.0 4.0 1.0 DAY 16 4 4 3 3 6 4 13 27 19 23 5 MAXIMUM AIR TEMPERATURE (C) 18.3 18.9 24.8 30.2 35.9 41.2 45.7 44.7 41.9 34.9 26.8 22.0 32.1 DAYS WITH MAXIMUM TEMP. >=30 0 0 2 15 28 30 31 31 30 30 10 0 207 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 25.0 23.0 30.0 37.0 42.0 47.0 48.0 48.0 45.0 40.0 34.0 26.0 48.0 DAY 9 7 20 21 26 23 14 7 3 1 1 16 DIF. BETWEEN (MAX.-MIN.) (C) 12.2 11.9 14.4 15.9 17.5 18.7 20.6 20.6 20.5 19.4 17.8 14.5 17.0 MEAN DAILY TEMP. (MDT) (C) 12.2 13.0 17.6 22.2 27.1 31.8 35.4 34.4 31.6 25.2 17.9 14.7 23.6 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 3.5 71.5 191.0 325.5 446.5 415.0 319.5 131.0 10.0 0.0 1913.5 HEATING DEG. DAYS(BASE 18 0C) 180.0 140.5 40.0 11.0 0.0 0.0 0.0 0.0 0.0 0.0 47.0 101.5 520.0 DEWPOINT (MEAN C) 7.4 8.3 9.6 10.1 9.0 11.8 15.6 13.5 13.1 12.7 6.4 8.5 10.5 MIXING RATIO (G/KG) 6.59 6.99 7.74 8.10 7.46 9.17 11.63 10.18 9.90 9.57 6.30 7.05 8.39 VAPOUR PRESSURE (HPA) 10.50 11.12 12.26 12.76 11.75 14.31 17.99 15.83 15.50 15.09 10.01 11.24 13.20 SATURATION DEF. (HPA) 3.40 4.04 8.96 16.07 27.81 37.60 44.03 42.71 33.40 17.29 10.76 4.70 20.90 RELATIVE HUMIDITY (MEAN %) 80 77 64 51 35 31 33 32 37 52 55 77 52 RELATIVE HUMIDITY (MAX. %) 96 94 88 80 59 52 51 49 54 72 76 94 72 RELATIVE HUMIDITY (MIN. %) 54 52 40 26 18 17 18 16 20 30 30 47 31 RELATIVE HUMIDITY (MEAN% 03UTC) 90 91 83 73 55 49 49 45 51 69 72 93 68 RELATIVE HUMIDITY (MEAN% 09UTC) 59 59 45 30 22 21 22 20 22 31 33 50 35 RELATIVE HUMIDITY (MEAN% 15UTC) 75 70 54 40 25 22 24 26 33 51 51 74 45 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 144.0 91.6 92.0 4.0 0.0 0.0 0.0 0.0 0.0 2.3 25.8 60.0 419.7 DAYS WITH PRECIPITATION >=10 5 2 2 0 0 0 0 0 0 0 1 1 11 DAYS WITH PRECIPITATION >= 5 7 4 2 0 0 0 0 0 0 0 1 2 16 DAYS WITH PRECIPITATION >= 1 10 9 5 2 0 0 0 0 0 2 2 3 33 DAYS WITH PRECIPITATION 13 11 8 3 1 0 0 0 0 3 7 4 50 GREATEST DAILY PRECIPITATION 41.0 45.0 70.0 3.0 0.0 0.0 0.0 0.0 0.0 1.0 23.0 49.0 70.0 DAY 11 20 27 11 ** ** ** ** ** 9 29 26 DAY WITH THUNDER STORM 4 4 5 3 0 0 0 0 0 3 3 1 23 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 1 3 7 20 18 9 8 14 11 4 4 2 101 WIND DIRECTION (PREVAILING) 90 135 135 225 315 225 225 225 225 225 225 90 225 PREVAILING WIND SPEED(KNOTS) 10.7 8.2 8.8 11.0 10.3 8.3 8.4 7.3 7.3 5.6 7.0 7.6 8.1 PREVAILING WIND PERCENT 5.2 10.7 7.7 10.8 12.9 16.3 16.9 12.9 11.3 7.3 8.8 4.4 8.9 CALMS PERCENT OF WIND 81.5 71.9 66.9 59.2 57.7 54.6 66.5 62.9 58.8 73.0 72.1 88.3 67.8 NO. OF WIND OBSERVATION 248 224 248 240 248 240 248 248 240 248 240 248 2920 VECTOR WIND DIRECTION (MEAN) 88 109 131 193 281 252 224 235 287 148 156 118 221 VECTOR WIND MAGNITUDE(KNOTS) 0.5 1.1 0.9 1.6 2.1 2.2 1.7 1.2 1.0 0.1 1.1 0.3 0.6 WIND STEADINESES (MEAN %) 31.3 45.8 36.0 42.1 53.8 53.7 65.4 41.4 27.0 4.8 50.0 37.5 22.2 WIND SPEED (MEAN KNOTS) 1.6 2.4 2.5 3.8 3.9 4.1 2.6 2.9 3.7 2.1 2.2 0.8 2.7 FASTEST WIND DIRECTION 60 320 60 240 210 360 270 20 360 280 150 100 280 FASTEST WIND SPEED (KNOTS) 16 20 15 20 18 18 20 16 25 35 16 15 35 DAY 18 26 26 1 1 2 12 8 23 8 4 25 DAYS WITH SKY CLEAR (0-2)/8 19 11 11 17 21 29 28 28 29 23 17 17 250 DAYS WITH P.CLOUDY (3-6)/8 5 7 15 9 5 1 3 3 1 4 10 10 73 DAYS WITH CLOUDY (7-8)/8 7 10 5 4 5 0 0 0 0 4 3 4 42 DAYS WITH VISIBILITY =< 2 KM 3 3 2 6 6 0 3 1 1 2 2 5 34 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** 143.7 171.2 148.3 ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1981 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 1002.8 1001.5 997.8 994.6 992.5 986.1 981.0 983.2 990.6 997.2 1000.5 1003.0 994.2 MAX. QFE PRESSURE IN HPA 1008.6 1006.6 1008.6 1002.9 999.3 991.9 986.8 988.2 996.9 1004.2 1007.0 1007.7 1008.6 DAY-HOUR 17- 6 5- 0 4- 9 2-18 2- 6 9- 6 30- 6 27- 6 27- 6 26- 6 30-18 12- 6 MIN. QFE PRESSURE IN HPA 995.4 995.0 989.0 980.7 984.8 979.4 977.6 979.6 984.5 991.2 993.9 992.5 977.6 DAY-HOUR 3- 9 24-12 27-12 30-12 1- 0 21-18 11-15 1-15 4-15 8-15 5-12 25-15 MEAN QNH PRESSURE IN HPA 1019.6 1018.4 1014.6 1011.3 1009.2 1002.7 997.5 999.8 1007.2 1014.0 1017.3 1019.9 1011.0 MAX. QNH PRESSURE IN HPA 1025.5 1023.5 1025.5 1019.8 1016.1 1008.6 1003.4 1004.9 1013.7 1021.1 1023.9 1024.6 1025.5 DAY-HOUR 17- 6 5- 0 4- 9 2-18 2- 6 9- 6 30- 6 27- 6 27- 6 26- 6 30-18 12- 6 MIN. QNH PRESSURE IN HPA 1012.1 1011.7 1005.7 997.2 1001.4 995.9 994.1 996.1 1001.1 1007.9 1010.6 1009.2 994.1 DAY-HOUR 3- 9 24-12 27-12 30-12 1- 0 21-18 11-15 1-15 4-15 8-15 5-12 25-15 MEAN QFF PRESSURE IN HPA 1020.0 1018.7 1014.6 1011.1 1008.6 1001.8 996.5 998.8 1006.5 1013.6 1017.3 1020.2 1010.6 MAX. QFF PRESSURE IN HPA 1026.0 1024.0 1025.9 1020.2 1015.9 1007.8 1002.4 1004.0 1013.1 1020.8 1024.3 1025.0 1026.0 DAY-HOUR 17- 6 5- 0 4- 9 2-18 3- 6 7- 6 27- 6 27- 6 27- 6 26- 6 30-18 22- 6 MIN. QFF PRESSURE IN HPA 1012.6 1011.9 1005.7 996.9 1001.1 995.0 993.0 995.2 1000.4 1007.3 1010.3 1009.3 993.0 DAY-HOUR 3- 9 24-15 27-12 30-12 1- 0 21-18 16-12 1-15 4-15 8-15 5-12 25-15 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 1002.8 1001.2 997.6 994.7 992.2 986.0 980.7 982.8 990.2 997.0 1000.1 1003.1 994.0 MAX. QFE PRESSURE IN HPA 1006.9 1006.6 1006.9 1002.3 997.9 991.2 985.2 986.7 994.1 1002.2 1004.5 1007.0 1007.0 DAY 15 5 5 3 3 10 30 27 27 26 23 1 MIN. QFE PRESSURE IN HPA 996.0 995.2 991.0 987.0 984.8 980.0 977.6 980.5 985.5 992.0 994.3 998.0 977.6 DAY 25 25 27 29 1 22 16 13 4 2 4 26 MEAN QNH PRESSURE IN HPA 1019.7 1018.0 1014.4 1011.4 1008.9 1002.7 997.3 999.4 1006.8 1013.7 1016.9 1019.9 1010.8 MAX. QNH PRESSURE IN HPA 1023.8 1023.5 1023.8 1019.1 1014.7 1007.9 1001.8 1003.3 1010.8 1019.0 1021.4 1023.9 1023.9 DAY 15 5 5 3 3 10 30 27 27 26 23 1 MIN. QNH PRESSURE IN HPA 1012.8 1011.9 1007.7 1003.6 1001.4 996.5 994.1 997.0 1002.1 1008.7 1011.0 1014.8 994.1 DAY 25 25 27 29 1 22 16 13 4 2 4 26 MEAN QFF PRESSURE IN HPA 1020.0 1018.3 1014.3 1011.1 1008.4 1001.8 996.2 998.3 1006.0 1013.3 1016.9 1020.2 1010.4 MAX. QFF PRESSURE IN HPA 1024.3 1024.0 1024.2 1019.5 1014.5 1007.2 1000.7 1002.5 1010.3 1018.7 1021.7 1024.2 1024.3 DAY 15 5 5 3 3 10 30 28 27 26 23 1 MIN. QFF PRESSURE IN HPA 1012.9 1012.1 1007.6 1003.2 1001.1 995.5 993.0 996.2 1001.2 1008.2 1010.6 1014.9 993.0 DAY 25 25 27 29 1 22 16 13 4 2 4 26 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 1002.7 1001.4 997.8 994.8 992.4 986.3 981.3 983.4 990.8 997.4 1000.4 1003.1 994.3 MAX. QFE PRESSURE IN HPA 1006.7 1005.3 1006.9 1001.9 998.6 991.4 986.0 987.2 995.4 1002.6 1004.8 1006.5 1006.9 DAY 15 5 5 3 3 7 30 27 27 26 23 1 MIN. QFE PRESSURE IN HPA 995.9 995.9 991.0 985.5 986.0 980.2 978.2 980.8 985.6 992.5 995.0 999.1 978.2 DAY 3 25 12 30 1 22 16 23 4 2 4 30 MEAN QNH PRESSURE IN HPA 1019.6 1018.2 1014.6 1011.5 1009.1 1002.9 997.8 1000.0 1007.5 1014.2 1017.2 1020.0 1011.1 MAX. QNH PRESSURE IN HPA 1023.6 1022.2 1023.8 1018.7 1015.4 1008.1 1002.6 1003.8 1012.1 1019.5 1021.7 1023.4 1023.8 DAY 15 5 5 3 3 7 30 27 27 26 23 1 MIN. QNH PRESSURE IN HPA 1012.7 1012.7 1007.7 1002.1 1002.6 996.7 994.7 997.3 1002.2 1009.2 1011.7 1015.9 994.7 DAY 3 25 12 30 1 22 16 23 4 2 4 30 MEAN QFF PRESSURE IN HPA 1020.1 1018.6 1014.7 1011.4 1008.7 1002.2 996.9 999.1 1006.8 1014.0 1017.4 1020.4 1010.9 MAX. QFF PRESSURE IN HPA 1024.2 1022.8 1024.2 1019.2 1015.4 1007.6 1001.7 1003.2 1011.8 1019.4 1022.3 1023.9 1024.2 DAY 15 5 5 3 3 7 30 28 27 26 23 1 MIN. QFF PRESSURE IN HPA 1013.2 1012.8 1007.7 1001.9 1002.3 995.9 993.7 996.5 1001.5 1008.9 1011.3 1016.1 993.7 DAY 3 25 12 30 1 22 16 23 4 2 4 30 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION DEZFUL (40795) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 32 24 N LONGITUDE 48 23 E DATA PROCESSING CENTER ELEVATION 143.0 M MEANS AND EXTREMES FOR THE YEAR 1981 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 1003.7 1002.6 999.0 995.6 993.4 987.0 982.0 984.3 991.9 998.7 1001.7 1004.3 995.3 MAX. QFE PRESSURE IN HPA 1008.6 1006.2 1008.5 1002.5 999.3 991.9 986.8 988.2 996.9 1004.2 1006.8 1007.7 1008.6 DAY 17 7 4 2 2 9 30 27 27 26 30 12 MIN. QFE PRESSURE IN HPA 995.5 997.6 991.9 985.4 989.0 980.7 978.6 981.4 986.5 993.3 996.2 1000.0 978.6 DAY 3 11 27 30 9 22 16 12 4 2 5 25 MEAN QNH PRESSURE IN HPA 1020.6 1019.4 1015.8 1012.3 1010.1 1003.7 998.5 1000.8 1008.6 1015.5 1018.5 1021.2 1012.1 MAX. QNH PRESSURE IN HPA 1025.5 1023.1 1025.4 1019.4 1016.1 1008.6 1003.4 1004.9 1013.7 1021.1 1023.7 1024.6 1025.5 DAY 17 7 4 2 2 9 30 27 27 26 30 12 MIN. QNH PRESSURE IN HPA 1012.3 1014.4 1008.6 1002.0 1005.7 997.2 995.1 998.0 1003.1 1010.0 1013.0 1016.8 995.1 DAY 3 11 27 30 9 22 16 12 4 2 5 25 MEAN QFF PRESSURE IN HPA 1021.1 1019.8 1015.8 1012.1 1009.5 1002.8 997.4 999.8 1007.8 1015.1 1018.6 1021.6 1011.8 MAX. QFF PRESSURE IN HPA 1026.0 1023.6 1025.9 1019.7 1015.9 1007.8 1002.4 1004.0 1013.1 1020.8 1023.9 1025.0 1026.0 DAY 17 2 4 2 3 7 27 27 27 26 23 22 MIN. QFF PRESSURE IN HPA 1012.7 1014.8 1008.7 1001.7 1005.1 996.3 994.0 997.1 1002.2 1009.4 1012.7 1016.9 994.0 DAY 3 11 27 30 9 22 16 12 4 2 5 25 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 1003.3 1002.5 998.8 995.3 993.1 986.8 981.7 984.0 991.5 998.0 1001.1 1003.5 995.0 MAX. QFE PRESSURE IN HPA 1008.2 1006.0 1008.6 1002.8 999.1 991.7 986.6 988.1 996.8 1003.5 1006.6 1007.3 1008.6 DAY 15 4 4 2 2 9 27 27 27 25 30 22 MIN. QFE PRESSURE IN HPA 995.4 997.6 991.3 983.1 989.3 980.7 978.2 981.4 986.4 992.8 995.2 998.2 978.2 DAY 3 11 27 30 9 22 16 12 4 2 5 30 MEAN QNH PRESSURE IN HPA 1020.2 1019.3 1015.6 1012.1 1009.8 1003.4 998.3 1000.6 1008.2 1014.8 1017.9 1020.4 1011.7 MAX. QNH PRESSURE IN HPA 1025.1 1022.9 1025.5 1019.7 1015.9 1008.4 1003.2 1004.7 1013.6 1020.4 1023.5 1024.2 1025.5 DAY 15 4 4 2 2 9 27 27 27 25 30 22 MIN. QNH PRESSURE IN HPA 1012.1 1014.4 1008.0 999.7 1006.0 997.2 994.7 998.0 1003.0 1009.5 1011.9 1015.0 994.7 DAY 3 11 27 30 9 22 16 12 4 2 5 30 MEAN QFF PRESSURE IN HPA 1020.5 1019.6 1015.5 1011.7 1009.2 1002.5 997.2 999.6 1007.3 1014.2 1017.9 1020.5 1011.3 MAX. QFF PRESSURE IN HPA 1025.6 1023.3 1025.9 1020.0 1015.7 1007.5 1002.2 1003.8 1012.8 1020.0 1023.5 1024.4 1025.9 DAY 15 4 4 2 2 9 27 27 27 25 30 22 MIN. QFF PRESSURE IN HPA 1012.6 1014.6 1008.0 999.3 1005.4 996.2 993.5 996.9 1002.0 1008.8 1011.5 1015.1 993.5 DAY 3 11 27 30 9 22 16 23 4 2 5 30 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 1002.0 1001.1 997.3 994.0 992.2 985.8 980.8 983.0 990.2 996.5 999.6 1001.9 993.7 MAX. QFE PRESSURE IN HPA 1006.1 1005.1 1006.7 1002.4 997.9 991.3 985.7 986.8 994.9 1001.5 1005.8 1005.3 1006.7 DAY 15 4 4 2 2 9 27 27 27 25 30 12 MIN. QFE PRESSURE IN HPA 995.5 995.0 989.0 980.7 988.3 980.0 977.6 980.2 985.2 991.4 993.9 994.7 977.6 DAY 3 24 27 30 8 22 16 23 4 2 5 25 MEAN QNH PRESSURE IN HPA 1018.9 1017.9 1014.1 1010.8 1008.9 1002.5 997.3 999.6 1006.8 1013.3 1016.4 1018.8 1010.4 MAX. QNH PRESSURE IN HPA 1023.0 1022.0 1023.6 1019.2 1014.7 1008.0 1002.3 1003.4 1011.6 1018.3 1022.7 1022.2 1023.6 DAY 15 4 4 2 2 9 27 27 27 25 30 12 MIN. QNH PRESSURE IN HPA 1012.3 1011.7 1005.7 997.2 1005.0 996.5 994.1 996.7 1001.8 1008.1 1010.6 1011.4 994.1 DAY 3 24 27 30 8 22 16 23 4 2 5 25 MEAN QFF PRESSURE IN HPA 1019.2 1018.2 1014.1 1010.5 1008.3 1001.6 996.2 998.5 1006.0 1012.9 1016.4 1019.0 1010.1 MAX. QFF PRESSURE IN HPA 1023.5 1022.5 1024.0 1019