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