STATION ZAHEDAN (40856) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 28 N LONGITUDE 60 53 E DATA PROCESSING CENTER ELEVATION 1370.0 M MEANS AND EXTREMES FOR THE YEAR 1951 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 10.0 10.3 14.1 18.9 25.3 26.7 28.8 27.4 25.3 22.7 13.0 10.1 19.4 MINIMUN AIR TEMPERATURE (C) 0.7 1.9 6.7 11.1 17.2 17.5 20.0 17.4 16.1 14.5 4.1 3.6 10.9 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 5 1 13 8 3 0 0 0 30 DAYS WITH MINIMUM TEMP. <=-4 7 4 0 0 0 0 0 0 0 0 0 0 11 DAYS WITH FREEZING MIN.<= 0 15 8 1 0 0 0 0 0 0 0 6 9 39 TEMPERATURE RECORDS LOWEST(C) -6.0 -10.0 -1.0 3.0 13.0 13.0 15.0 13.0 13.0 8.0 -1.0 -3.0 -10.0 DAY 13 1 10 5 2 1 2 26 10 29 25 29 MAXIMUM AIR TEMPERATURE (C) 16.8 16.3 19.8 26.6 33.2 35.0 36.9 36.7 35.5 32.3 25.0 19.4 27.8 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 12 22 30 31 31 30 23 0 0 179 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 23.0 24.0 26.0 35.0 39.0 38.0 41.0 42.0 39.0 38.0 29.0 24.0 42.0 DAY 20 26 13 29 20 3 9 5 19 3 4 2 DIF. BETWEEN (MAX.-MIN.) (C) 16.1 14.4 13.1 15.5 16.0 17.5 16.9 19.3 19.4 17.8 20.9 15.8 16.9 MEAN DAILY TEMP. (MDT) (C) 8.8 9.1 13.2 18.9 25.2 26.2 28.5 27.0 25.8 23.4 14.6 11.5 19.3 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 32.5 132.0 157.5 231.0 187.0 144.0 85.5 0.0 0.0 969.5 HEATING DEG. DAYS(BASE 18 0C) 286.5 249.5 148.5 51.0 0.0 0.0 0.0 0.0 0.0 0.0 108.5 201.0 1045.0 DEWPOINT (MEAN C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MIXING RATIO (G/KG) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** VAPOUR PRESSURE (HPA) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** SATURATION DEF. (HPA) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** RELATIVE HUMIDITY (MEAN %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MAX. %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MIN. %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 03UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 09UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 15UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 5.0 19.1 114.1 33.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 14.0 185.2 DAYS WITH PRECIPITATION >=10 0 0 5 1 0 0 0 0 0 0 0 0 6 DAYS WITH PRECIPITATION >= 5 0 2 6 2 0 0 0 0 0 0 0 1 11 DAYS WITH PRECIPITATION >= 1 2 4 10 3 0 0 0 0 0 0 0 3 22 DAYS WITH PRECIPITATION 3 5 15 6 4 0 2 0 0 1 0 3 39 GREATEST DAILY PRECIPITATION 4.0 7.5 36.0 24.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 9.0 36.0 DAY 10 6 28 1 ** ** ** ** ** ** ** 25 DAY WITH THUNDER STORM 0 0 1 0 1 0 0 0 0 0 0 0 2 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 4 4 5 4 8 6 8 2 2 0 1 1 45 WIND DIRECTION (PREVAILING) 225 45 225 225 225 45 45 360 45 225 45 225 45 PREVAILING WIND SPEED(KNOTS) 12.3 8.2 10.2 9.9 11.4 7.1 9.8 7.4 7.9 8.2 6.5 9.7 7.4 PREVAILING WIND PERCENT 19.4 22.9 19.4 20.4 20.6 32.1 35.1 28.2 25.4 19.0 23.8 29.0 22.4 CALMS PERCENT OF WIND 9.7 5.7 4.0 4.2 10.1 8.3 6.9 11.7 12.5 8.9 8.3 6.9 8.2 NO. OF WIND OBSERVATION 155 140 175 240 248 240 248 248 240 248 240 248 2670 VECTOR WIND DIRECTION (MEAN) 184 192 200 278 236 26 35 12 30 192 136 195 40 VECTOR WIND MAGNITUDE(KNOTS) 1.4 1.7 1.2 1.4 1.1 3.1 4.0 2.9 2.9 1.0 0.7 2.8 0.3 WIND STEADINESES (MEAN %) 17.5 18.5 16.4 19.4 14.9 50.0 50.0 51.8 56.9 17.5 12.1 35.9 4.3 WIND SPEED (MEAN KNOTS) 8.0 9.2 7.3 7.2 7.4 6.2 8.0 5.6 5.1 5.7 5.8 7.8 6.9 FASTEST WIND DIRECTION 230 230 200 230 230 230 20 50 50 230 230 230 230 FASTEST WIND SPEED (KNOTS) 24 37 20 24 38 24 24 18 18 18 24 24 38 DAY 8 20 6 22 4 5 10 14 16 20 27 20 DAYS WITH SKY CLEAR (0-2)/8 16 14 5 17 10 27 27 28 30 28 23 14 239 DAYS WITH P.CLOUDY (3-6)/8 12 11 18 11 19 2 3 3 0 2 6 13 100 DAYS WITH CLOUDY (7-8)/8 3 3 8 2 2 1 1 0 0 1 1 4 26 DAYS WITH VISIBILITY =< 2 KM 0 2 2 1 1 1 4 0 0 0 0 1 12 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION ZAHEDAN (40856) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 28 N LONGITUDE 60 53 E DATA PROCESSING CENTER ELEVATION 1370.0 M MEANS AND EXTREMES FOR THE YEAR 1951 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 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 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 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 ZAHEDAN (40856) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 28 N LONGITUDE 60 53 E DATA PROCESSING CENTER ELEVATION 1370.0 M MEANS AND EXTREMES FOR THE YEAR 1951 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 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 0900 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 1200 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 ZAHEDAN (40856) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 28 N LONGITUDE 60 53 E DATA PROCESSING CENTER ELEVATION 1370.0 M MEANS AND EXTREMES FOR THE YEAR 1951 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 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 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 ZAHEDAN (40856) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 28 N LONGITUDE 60 53 E DATA PROCESSING CENTER ELEVATION 1370.0 M MEANS AND EXTREMES FOR THE YEAR 1952 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 6.6 11.9 16.6 22.0 25.4 29.0 29.5 26.9 22.5 16.9 12.4 8.1 19.0 MINIMUN AIR TEMPERATURE (C) 0.3 5.0 9.3 14.5 16.6 19.4 19.4 16.7 11.9 5.6 2.9 -0.3 10.1 DAYS WITH MINIMUM TEMP. >=21 0 0 0 2 2 12 8 3 0 0 0 0 27 DAYS WITH MINIMUM TEMP. <=-4 6 0 0 0 0 0 0 0 0 0 0 6 12 DAYS WITH FREEZING MIN.<= 0 17 6 1 0 0 0 0 0 0 1 10 20 55 TEMPERATURE RECORDS LOWEST(C) -8.0 -3.0 -1.0 7.0 12.0 14.0 16.0 13.0 9.0 -1.0 -2.0 -6.0 -8.0 DAY 2 16 7 4 13 6 4 30 14 23 18 19 MAXIMUM AIR TEMPERATURE (C) 13.8 19.4 24.8 29.7 33.4 37.8 37.8 36.3 32.6 28.5 23.0 17.9 27.9 DAYS WITH MAXIMUM TEMP. >=30 0 0 2 18 27 29 31 31 29 10 0 0 177 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 23.0 26.0 31.0 34.0 37.0 42.0 41.0 39.0 36.0 32.0 29.0 23.0 42.0 DAY 24 22 23 10 24 16 12 7 1 2 5 4 DIF. BETWEEN (MAX.-MIN.) (C) 13.5 14.4 15.5 15.2 16.8 18.4 18.4 19.6 20.7 22.9 20.1 18.2 17.8 MEAN DAILY TEMP. (MDT) (C) 7.0 12.2 17.0 22.1 25.0 28.6 28.6 26.5 22.3 17.0 13.0 8.8 19.0 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 4.5 54.0 125.0 219.0 236.5 170.0 40.5 0.0 0.0 0.0 849.5 HEATING DEG. DAYS(BASE 18 0C) 339.5 169.5 61.5 6.0 0.0 0.0 0.0 0.0 0.0 40.0 151.0 284.5 1052.0 DEWPOINT (MEAN C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** MIXING RATIO (G/KG) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** VAPOUR PRESSURE (HPA) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** SATURATION DEF. (HPA) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** RELATIVE HUMIDITY (MEAN %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MAX. %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MIN. %) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 03UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 09UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RELATIVE HUMIDITY (MEAN% 15UTC) *** *** *** *** *** *** *** *** *** *** *** *** *** RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 30.0 35.0 33.0 2.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 7.3 107.3 DAYS WITH PRECIPITATION >=10 1 2 2 0 0 0 0 0 0 0 0 0 5 DAYS WITH PRECIPITATION >= 5 2 2 2 0 0 0 0 0 0 0 0 1 7 DAYS WITH PRECIPITATION >= 1 5 3 2 1 0 0 0 0 0 0 0 1 12 DAYS WITH PRECIPITATION 7 3 2 2 3 0 0 0 0 0 0 2 19 GREATEST DAILY PRECIPITATION 14.0 18.0 20.0 2.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 7.3 20.0 DAY 6 2 3 15 ** ** ** ** ** ** ** 29 DAY WITH THUNDER STORM 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH SNOW OR SLEET 1 0 0 0 0 0 0 0 0 0 0 0 1 DAYS WITH DUST 3 7 5 7 0 0 3 3 0 0 0 0 28 WIND DIRECTION (PREVAILING) 135 225 225 225 45 45 45 45 45 45 225 225 45 PREVAILING WIND SPEED(KNOTS) 8.3 12.2 14.9 10.9 6.4 7.2 7.4 7.1 7.8 6.6 6.7 6.0 7.0 PREVAILING WIND PERCENT 21.4 32.3 32.7 31.3 27.4 43.8 45.6 36.7 31.3 27.4 20.4 15.7 26.2 CALMS PERCENT OF WIND 3.2 7.8 5.6 10.4 10.5 10.8 11.3 7.7 10.8 14.1 10.4 21.8 10.4 NO. OF WIND OBSERVATION 248 232 248 240 248 240 248 248 240 248 240 248 2928 VECTOR WIND DIRECTION (MEAN) 168 216 227 194 229 44 32 14 40 8 213 118 60 VECTOR WIND MAGNITUDE(KNOTS) 1.6 3.5 4.0 2.7 0.4 3.0 3.0 2.6 2.8 1.4 0.4 0.2 0.1 WIND STEADINESES (MEAN %) 20.0 43.2 41.7 37.5 6.3 49.2 46.2 41.3 46.7 28.0 7.5 4.3 1.5 WIND SPEED (MEAN KNOTS) 8.0 8.1 9.6 7.2 6.4 6.1 6.5 6.3 6.0 5.0 5.3 4.6 6.6 FASTEST WIND DIRECTION 230 200 230 230 230 130 310 20 360 20 130 200 230 FASTEST WIND SPEED (KNOTS) 44 31 34 24 20 18 24 24 18 16 16 18 44 DAY 12 23 3 24 7 3 7 26 9 4 27 15 DAYS WITH SKY CLEAR (0-2)/8 13 17 18 14 22 25 30 27 30 31 23 19 269 DAYS WITH P.CLOUDY (3-6)/8 12 8 9 14 8 5 1 4 0 0 6 9 76 DAYS WITH CLOUDY (7-8)/8 6 4 4 2 1 0 0 0 0 0 1 3 21 DAYS WITH VISIBILITY =< 2 KM 3 3 2 0 0 0 1 0 0 1 0 0 10 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION ZAHEDAN (40856) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 28 N LONGITUDE 60 53 E DATA PROCESSING CENTER ELEVATION 1370.0 M MEANS AND EXTREMES FOR THE YEAR 1952 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 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 ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 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 ZAHEDAN (40856) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 28 N LONGITUDE 60 53 E DATA PROCESSING CENTER ELEVATION 1370.0 M MEANS AND EXTREMES FOR THE YEAR 1952 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 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 0900 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 1200 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 ZAHEDAN (40856) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 28 N LONGITUDE 60 53 E DATA PROCESSING CENTER ELEVATION 1370.0 M MEANS AND EXTREMES FOR THE YEAR 1952 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 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 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 ZAHEDAN (40856) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 28 N LONGITUDE 60 53 E DATA PROCESSING CENTER ELEVATION 1370.0 M MEANS AND EXTREMES FOR THE YEAR 1953 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 8.8 14.0 16.6 20.7 25.5 29.3 30.7 27.9 24.0 17.9 14.1 10.7 20.0 MINIMUN AIR TEMPERATURE (C) 0.8 7.2 9.6 11.7 17.5 19.3 20.0 16.6 12.6 7.9 5.3 3.6 11.0 DAYS WITH MINIMUM TEMP. >=21 0 0 0 1 2 13 13 3 0 0 0 0 32 DAYS WITH MINIMUM TEMP. <=-4 10 0 0 0 0 0 0 0 0 0 0 2 12 DAYS WITH FREEZING MIN.<= 0 17 6 3 0 0 0 0 0 0 0 2 8 36 TEMPERATURE RECORDS LOWEST(C) -7.0 -1.0 -1.0 7.0 14.0 13.0 16.0 12.0 8.0 2.0 -2.0 -6.0 -7.0 DAY 4 5 27 2 26 2 15 24 29 28 10 25 MAXIMUM AIR TEMPERATURE (C) 18.6 21.3 23.9 28.8 32.6 37.4 39.1 37.1 34.6 29.3 24.8 20.0 29.0 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 12 28 28 31 31 30 18 4 0 182 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 24.0 28.0 29.0 36.0 36.0 43.0 42.0 41.0 38.0 34.0 31.0 28.0 43.0 DAY 9 20 2 25 4 15 7 2 13 10 2 4 DIF. BETWEEN (MAX.-MIN.) (C) 17.8 14.1 14.3 17.1 15.1 18.1 19.1 20.5 22.0 21.4 19.5 16.4 18.0 MEAN DAILY TEMP. (MDT) (C) 9.7 14.3 16.8 20.3 25.1 28.3 29.5 26.9 23.6 18.6 15.1 11.8 20.0 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 4.0 42.0 127.0 220.5 264.5 182.0 79.0 2.0 1.0 0.0 922.0 HEATING DEG. DAYS(BASE 18 0C) 258.5 112.5 72.0 16.0 0.0 0.0 0.0 0.0 0.0 26.0 96.0 192.0 773.0 DEWPOINT (MEAN C) ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** ***** -2.4 ***** MIXING RATIO (G/KG) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 3.97 ****** VAPOUR PRESSURE (HPA) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 5.48 ****** SATURATION DEF. (HPA) ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 8.22 ****** RELATIVE HUMIDITY (MEAN %) *** *** *** *** *** *** *** *** *** *** *** 44 *** RELATIVE HUMIDITY (MAX. %) *** *** *** *** *** *** *** *** *** *** *** 63 *** RELATIVE HUMIDITY (MIN. %) *** *** *** *** *** *** *** *** *** *** *** 25 *** RELATIVE HUMIDITY (MEAN% 03UTC) *** *** *** *** *** *** *** *** *** *** *** 58 *** RELATIVE HUMIDITY (MEAN% 09UTC) *** *** *** *** *** *** *** *** *** *** *** 28 *** RELATIVE HUMIDITY (MEAN% 15UTC) *** *** *** *** *** *** *** *** *** *** *** 44 *** RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 3.0 6.7 20.0 40.5 28.0 0.0 0.0 0.0 0.0 0.0 0.0 1.0 99.2 DAYS WITH PRECIPITATION >=10 0 0 1 3 1 0 0 0 0 0 0 0 5 DAYS WITH PRECIPITATION >= 5 0 1 1 3 1 0 0 0 0 0 0 0 6 DAYS WITH PRECIPITATION >= 1 2 1 1 3 6 0 0 0 0 0 0 1 14 DAYS WITH PRECIPITATION 2 3 2 3 7 1 0 0 0 0 0 3 21 GREATEST DAILY PRECIPITATION 2.0 6.0 20.0 15.0 20.0 0.0 0.0 0.0 0.0 0.0 0.0 1.0 20.0 DAY 14 9 22 10 25 ** ** ** ** ** ** 8 DAY WITH THUNDER STORM 0 1 0 0 4 1 0 0 0 0 0 0 6 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 3 6 10 0 1 2 3 5 5 1 1 3 40 WIND DIRECTION (PREVAILING) 225 225 225 360 360 360 360 360 360 360 225 225 360 PREVAILING WIND SPEED(KNOTS) 9.6 11.9 17.6 5.3 6.9 7.8 8.0 5.3 6.4 4.5 8.0 10.5 5.8 PREVAILING WIND PERCENT 25.0 36.6 42.3 21.7 21.4 29.6 26.6 27.4 25.4 21.4 15.0 21.8 19.5 CALMS PERCENT OF WIND 19.0 15.2 16.9 35.4 35.5 36.7 25.4 23.4 27.1 34.3 28.8 18.1 26.3 NO. OF WIND OBSERVATION 248 224 248 240 248 240 248 248 240 248 240 248 2920 VECTOR WIND DIRECTION (MEAN) 231 222 235 308 345 13 11 1 10 5 240 221 287 VECTOR WIND MAGNITUDE(KNOTS) 2.1 4.5 6.9 0.9 1.3 3.1 3.3 2.6 2.3 1.1 0.7 2.2 1.0 WIND STEADINESES (MEAN %) 34.4 59.2 72.6 25.0 31.7 73.8 70.2 65.0 67.6 45.8 21.2 46.8 20.8 WIND SPEED (MEAN KNOTS) 6.1 7.6 9.5 3.6 4.1 4.2 4.7 4.0 3.4 2.4 3.3 4.7 4.8 FASTEST WIND DIRECTION 230 230 230 230 230 360 360 310 360 360 230 230 230 FASTEST WIND SPEED (KNOTS) 24 33 36 26 22 20 30 24 18 18 24 30 36 DAY 12 21 15 28 3 21 20 8 15 1 23 21 DAYS WITH SKY CLEAR (0-2)/8 22 10 17 11 19 26 27 30 30 31 18 12 253 DAYS WITH P.CLOUDY (3-6)/8 8 13 9 15 12 4 4 1 0 0 9 15 90 DAYS WITH CLOUDY (7-8)/8 1 5 5 4 0 0 0 0 0 0 3 4 22 DAYS WITH VISIBILITY =< 2 KM 0 2 4 0 0 0 2 5 1 0 0 1 15 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION ZAHEDAN (40856) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 28 N LONGITUDE 60 53 E DATA PROCESSING CENTER ELEVATION 1370.0 M MEANS AND EXTREMES FOR THE YEAR 1953 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 866.3 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 871.0 ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 8- 6 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 859.1 ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 22-12 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1021.2 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1026.5 ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 8- 6 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1012.9 ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 22-12 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1018.5 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1027.8 ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 26- 3 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1008.0 ****** DAY-HOUR **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** **-** 21-12 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 866.3 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 869.7 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 8 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 860.9 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 22 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1021.2 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1025.0 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 8 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1015.0 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 22 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1018.1 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1025.1 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 26 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1009.3 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 22 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 866.7 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 870.2 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 8 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 860.9 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 22 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1021.6 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1025.6 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 8 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1015.0 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 22 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1020.4 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1027.8 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 26 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1010.1 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 22 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION ZAHEDAN (40856) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 28 N LONGITUDE 60 53 E DATA PROCESSING CENTER ELEVATION 1370.0 M MEANS AND EXTREMES FOR THE YEAR 1953 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 867.7 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 871.0 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 8 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 862.9 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 21 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1022.8 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1026.5 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 8 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1017.3 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 21 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1020.1 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1027.3 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 25 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1011.4 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 21 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 865.9 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 869.3 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 8 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 861.4 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 22 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1020.7 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1024.6 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 8 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1015.6 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 22 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1017.1 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1025.4 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 25 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1010.2 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 21 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 865.0 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 870.0 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 8 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 859.1 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 22 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1019.6 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1025.4 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 8 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1012.9 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 22 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1016.6 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1024.4 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 8 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1008.0 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 21 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION ZAHEDAN (40856) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 28 N LONGITUDE 60 53 E DATA PROCESSING CENTER ELEVATION 1370.0 M MEANS AND EXTREMES FOR THE YEAR 1953 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 865.8 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 869.1 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 7 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 861.4 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 22 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1020.6 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1024.4 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 7 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1015.6 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 22 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1019.4 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1027.2 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 25 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1011.2 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 21 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 866.5 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 869.8 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 7 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 861.6 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 21 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1021.3 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1025.2 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 7 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1015.8 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 21 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1018.6 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1025.7 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 25 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1011.0 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 21 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 866.6 ****** MAX. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 870.2 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 7 MIN. QFE PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 861.1 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 21 MEAN QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1021.5 ****** MAX. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1025.6 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 7 MIN. QNH PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1015.2 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 21 MEAN QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1017.8 ****** MAX. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1025.3 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 25 MIN. QFF PRESSURE IN HPA ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** 1009.4 ****** DAY ** ** ** ** ** ** ** ** ** ** ** 21 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION ZAHEDAN (40856) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 28 N LONGITUDE 60 53 E DATA PROCESSING CENTER ELEVATION 1370.0 M MEANS AND EXTREMES FOR THE YEAR 1954 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 9.1 10.5 15.0 21.9 25.9 28.1 29.3 26.6 22.5 16.9 12.8 9.1 19.0 MINIMUN AIR TEMPERATURE (C) 1.9 4.8 8.0 13.5 16.2 18.5 20.1 16.9 12.6 7.9 6.1 0.6 10.6 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 3 5 15 1 0 0 0 0 24 DAYS WITH MINIMUM TEMP. <=-4 5 0 1 0 0 0 0 0 0 0 0 2 8 DAYS WITH FREEZING MIN.<= 0 14 7 4 0 0 0 0 0 0 0 1 17 43 TEMPERATURE RECORDS LOWEST(C) -7.0 -3.0 -4.0 3.0 12.0 14.0 17.0 13.0 6.0 5.0 0.0 -6.0 -7.0 DAY 19 4 4 1 2 15 1 24 25 15 28 18 MAXIMUM AIR TEMPERATURE (C) 18.4 17.5 23.3 30.0 34.7 36.3 37.2 35.3 32.6 27.1 21.8 20.5 27.9 DAYS WITH MAXIMUM TEMP. >=30 0 0 4 14 31 30 31 31 28 7 0 0 176 DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 0 0 0 0 0 0 0 0 0 TEMPERATURE RECORDS HIGHEST(C) 26.0 25.0 31.0 38.0 41.0 40.0 40.0 38.0 37.0 31.0 29.0 26.0 41.0 DAY 14 21 19 28 30 3 25 11 3 5 2 20 DIF. BETWEEN (MAX.-MIN.) (C) 16.5 12.7 15.3 16.5 18.5 17.8 17.1 18.4 20.0 19.2 15.7 19.9 17.3 MEAN DAILY TEMP. (MDT) (C) 10.2 11.2 15.6 21.7 25.4 27.4 28.7 26.1 22.6 17.5 13.9 10.6 19.2 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 5.5 42.0 137.5 192.5 237.5 157.5 64.5 0.0 0.0 0.0 837.0 HEATING DEG. DAYS(BASE 18 0C) 243.0 191.0 104.0 4.5 0.0 0.0 0.0 0.0 0.0 29.5 123.0 230.0 925.0 DEWPOINT (MEAN C) -3.2 0.9 -0.0 1.2 3.3 2.3 4.1 2.1 -1.8 -1.2 2.2 -3.7 0.5 MIXING RATIO (G/KG) 3.74 4.99 4.70 5.13 5.74 5.45 6.17 5.34 4.05 4.13 5.29 3.55 4.86 VAPOUR PRESSURE (HPA) 5.15 6.85 6.48 7.04 7.86 7.43 8.40 7.29 5.56 5.71 7.31 4.92 6.67 SATURATION DEF. (HPA) 7.42 6.46 12.08 20.83 27.67 32.24 34.28 29.55 24.08 15.06 8.47 7.73 18.82 RELATIVE HUMIDITY (MEAN %) 47 56 40 29 26 21 22 23 22 32 52 44 35 RELATIVE HUMIDITY (MAX. %) 71 79 63 49 42 34 34 36 36 49 72 65 53 RELATIVE HUMIDITY (MIN. %) 24 34 21 15 14 12 13 12 11 17 31 24 19 RELATIVE HUMIDITY (MEAN% 03UTC) 64 74 58 42 35 26 30 35 34 45 68 61 48 RELATIVE HUMIDITY (MEAN% 09UTC) 27 40 23 17 16 14 14 13 11 18 34 26 21 RELATIVE HUMIDITY (MEAN% 15UTC) 48 49 37 23 20 16 16 17 17 29 49 42 30 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 11.1 79.1 0.5 16.0 2.0 0.0 1.0 0.0 0.0 0.0 1.0 0.0 110.7 DAYS WITH PRECIPITATION >=10 0 3 0 0 0 0 0 0 0 0 0 0 3 DAYS WITH PRECIPITATION >= 5 1 3 0 2 0 0 0 0 0 0 0 0 6 DAYS WITH PRECIPITATION >= 1 2 4 0 2 1 0 1 0 0 0 1 0 11 DAYS WITH PRECIPITATION 4 8 3 2 1 0 1 0 0 0 1 0 20 GREATEST DAILY PRECIPITATION 7.0 46.0 0.5 8.0 2.0 0.0 1.0 0.0 0.0 0.0 1.0 0.0 46.0 DAY 5 11 9 21 9 ** 13 ** ** ** 22 ** DAY WITH THUNDER STORM 2 1 0 3 1 0 0 0 0 0 0 1 8 DAYS WITH SNOW OR SLEET 0 0 0 0 0 0 0 0 0 0 0 0 0 DAYS WITH DUST 3 3 6 1 0 0 1 5 2 0 1 0 22 WIND DIRECTION (PREVAILING) 225 225 225 225 45 45 45 360 360 315 360 360 360 PREVAILING WIND SPEED(KNOTS) 10.3 11.8 9.9 12.2 5.9 7.1 7.6 4.7 5.3 5.2 4.3 3.6 4.8 PREVAILING WIND PERCENT 24.6 26.8 24.2 33.3 27.0 45.0 34.7 23.4 24.2 19.4 17.9 16.5 19.2 CALMS PERCENT OF WIND 21.4 10.7 11.3 13.8 19.8 15.4 17.7 19.4 15.8 21.4 17.1 14.9 16.6 NO. OF WIND OBSERVATION 248 224 248 240 248 240 248 248 240 248 240 248 2920 VECTOR WIND DIRECTION (MEAN) 228 219 241 235 17 34 23 349 3 342 355 306 332 VECTOR WIND MAGNITUDE(KNOTS) 2.1 2.7 2.2 3.7 1.7 4.1 4.0 3.0 2.3 1.5 0.9 0.5 0.9 WIND STEADINESES (MEAN %) 43.7 42.2 40.0 55.2 43.6 82.0 74.1 65.2 63.9 50.0 30.0 16.7 19.6 WIND SPEED (MEAN KNOTS) 4.8 6.4 5.5 6.7 3.9 5.0 5.4 4.6 3.6 3.0 3.0 3.0 4.6 FASTEST WIND DIRECTION 230 180 230 230 300 360 20 310 360 310 310 310 230 FASTEST WIND SPEED (KNOTS) 24 30 24 37 20 18 30 24 24 24 13 18 37 DAY 4 9 15 12 12 11 20 1 13 25 5 15 DAYS WITH SKY CLEAR (0-2)/8 19 10 14 17 22 23 25 29 30 25 13 22 249 DAYS WITH P.CLOUDY (3-6)/8 10 11 15 12 7 7 6 2 0 6 10 5 91 DAYS WITH CLOUDY (7-8)/8 2 7 2 1 2 0 0 0 0 0 7 4 25 DAYS WITH VISIBILITY =< 2 KM 1 4 0 2 0 0 0 1 0 0 0 0 8 DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION ZAHEDAN (40856) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 28 N LONGITUDE 60 53 E DATA PROCESSING CENTER ELEVATION 1370.0 M MEANS AND EXTREMES FOR THE YEAR 1954 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 862.1 862.1 864.2 861.0 860.0 856.8 855.2 857.0 860.1 865.9 867.3 867.1 861.6 MAX. QFE PRESSURE IN HPA 867.2 870.3 871.9 867.1 884.7 885.0 859.0 863.4 864.0 870.8 872.1 875.1 885.0 DAY-HOUR 1- 0 3-21 3- 6 27- 6 28-12 27-15 13- 6 29- 6 27- 6 12- 6 14- 6 16- 6 MIN. QFE PRESSURE IN HPA 855.3 851.7 853.8 855.1 854.1 852.4 850.8 851.7 856.6 859.6 863.0 860.3 850.8 DAY-HOUR 5-12 16-15 20- 0 12- 9 8- 0 5-12 1- 0 8-15 3-12 1-12 3-12 7-12 MEAN QNH PRESSURE IN HPA 1016.3 1016.3 1018.8 1015.1 1013.9 1010.3 1008.5 1010.6 1014.1 1020.6 1022.3 1022.1 1015.7 MAX. QNH PRESSURE IN HPA 1022.2 1025.7 1027.6 1022.1 1042.2 1042.5 1012.8 1017.8 1018.5 1026.3 1027.8 1031.2 1042.5 DAY-HOUR 1- 0 3-21 3- 6 27- 6 28-12 27-15 13- 6 29- 6 27- 6 12- 6 14- 6 16- 6 MIN. QNH PRESSURE IN HPA 1008.6 1004.5 1006.9 1008.4 1007.2 1005.3 1003.4 1004.5 1010.1 1013.5 1017.4 1014.3 1003.4 DAY-HOUR 5-12 16-15 20- 0 12- 9 8- 0 5-12 1- 0 8-15 3-12 1-12 3-12 7-12 MEAN QFF PRESSURE IN HPA 1014.4 1013.5 1013.5 1005.9 1002.6 997.8 995.4 998.9 1004.6 1014.4 1018.2 1020.3 1008.3 MAX. QFF PRESSURE IN HPA 1027.0 1026.3 1026.9 1014.1 1029.9 1031.4 1001.8 1006.6 1012.3 1021.5 1025.5 1031.3 1031.4 DAY-HOUR 20- 3 4- 3 4- 6 1- 3 28-12 27-15 13- 6 29- 3 28- 3 16- 3 29- 6 16- 6 MIN. QFF PRESSURE IN HPA 1004.4 1000.5 997.3 998.8 996.2 992.9 990.9 992.8 998.2 1005.6 1010.2 1009.8 990.9 DAY-HOUR 5-12 16-15 20- 0 12- 0 27-12 5-12 27-12 10-12 1-12 1-12 3-12 7-12 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 862.3 862.1 863.8 860.5 860.2 857.1 855.6 857.3 860.1 865.8 867.1 867.2 861.6 MAX. QFE PRESSURE IN HPA 867.2 869.4 869.4 864.8 870.7 860.4 858.6 860.9 862.8 869.0 869.8 874.0 874.0 DAY 1 4 4 24 21 22 30 29 21 12 9 16 MIN. QFE PRESSURE IN HPA 856.1 856.2 853.8 855.6 854.1 855.0 850.8 853.0 858.0 860.5 863.4 862.8 850.8 DAY 6 25 20 12 8 9 1 9 4 1 3 26 MEAN QNH PRESSURE IN HPA 1016.6 1016.3 1018.3 1014.6 1014.2 1010.6 1008.9 1010.8 1014.1 1020.5 1022.1 1022.1 1015.8 MAX. QNH PRESSURE IN HPA 1022.2 1024.7 1024.7 1019.4 1026.2 1014.4 1012.4 1015.0 1017.2 1024.2 1025.2 1030.0 1030.0 DAY 1 4 4 24 21 22 30 29 21 12 9 16 MIN. QNH PRESSURE IN HPA 1009.5 1009.6 1006.9 1008.9 1007.2 1008.2 1003.4 1006.0 1011.7 1014.5 1017.8 1017.2 1003.4 DAY 6 25 20 12 8 9 1 9 4 1 3 26 MEAN QFF PRESSURE IN HPA 1014.3 1013.2 1012.9 1005.5 1003.2 998.3 995.8 999.2 1004.6 1014.1 1017.9 1020.1 1008.3 MAX. QFF PRESSURE IN HPA 1023.7 1025.4 1025.0 1012.2 1015.4 1002.0 999.4 1004.2 1009.4 1018.5 1022.5 1029.5 1029.5 DAY 20 4 4 23 21 22 15 28 28 12 9 16 MIN. QFF PRESSURE IN HPA 1006.1 1004.2 997.3 998.8 997.1 995.6 991.1 993.9 999.9 1006.3 1011.0 1013.5 991.1 DAY 29 25 20 12 8 4 1 9 4 1 3 26 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 862.3 861.9 864.6 861.4 860.6 857.7 856.0 857.9 860.7 866.5 867.8 867.6 862.1 MAX. QFE PRESSURE IN HPA 867.0 868.6 869.7 866.2 863.9 866.5 858.3 861.9 863.3 869.9 870.6 874.1 874.1 DAY 2 4 3 27 1 11 24 30 28 12 14 16 MIN. QFE PRESSURE IN HPA 856.4 855.2 855.6 856.1 857.3 855.4 854.0 854.2 858.3 861.8 864.9 863.2 854.0 DAY 6 25 29 12 28 10 2 6 4 1 6 7 MEAN QNH PRESSURE IN HPA 1016.6 1016.1 1019.2 1015.6 1014.7 1011.4 1009.4 1011.6 1014.7 1021.3 1022.9 1022.7 1016.3 MAX. QNH PRESSURE IN HPA 1022.0 1023.8 1025.0 1021.0 1018.4 1021.4 1012.0 1016.1 1017.7 1025.3 1026.1 1030.1 1030.1 DAY 2 4 3 27 1 11 24 30 28 12 14 16 MIN. QNH PRESSURE IN HPA 1009.8 1008.5 1008.9 1009.5 1010.9 1008.7 1007.1 1007.3 1012.0 1016.0 1019.6 1017.6 1007.1 DAY 6 25 29 12 28 10 2 6 4 1 6 7 MEAN QFF PRESSURE IN HPA 1016.2 1014.3 1015.4 1007.6 1004.2 999.6 997.1 1001.2 1007.0 1016.8 1020.2 1022.8 1010.2 MAX. QFF PRESSURE IN HPA 1027.0 1026.3 1026.8 1014.1 1008.2 1010.9 1000.2 1006.6 1012.3 1021.5 1024.0 1031.1 1031.1 DAY 20 4 4 1 1 11 14 29 28 16 28 16 MIN. QFF PRESSURE IN HPA 1008.3 1004.2 1002.2 1000.1 998.6 996.3 994.1 995.8 1002.0 1009.7 1014.0 1015.5 994.1 DAY 5 25 29 12 28 2 2 6 4 1 3 26 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION ZAHEDAN (40856) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 28 N LONGITUDE 60 53 E DATA PROCESSING CENTER ELEVATION 1370.0 M MEANS AND EXTREMES FOR THE YEAR 1954 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 863.6 863.3 865.7 862.2 861.0 857.7 856.4 858.0 861.3 867.1 868.7 868.6 862.8 MAX. QFE PRESSURE IN HPA 867.2 868.2 871.9 867.1 864.0 862.2 859.0 863.4 864.0 870.8 872.1 875.1 875.1 DAY 20 4 3 27 24 25 13 29 27 12 14 16 MIN. QFE PRESSURE IN HPA 858.4 856.0 856.5 856.0 858.4 854.3 854.3 854.0 859.2 862.4 865.5 863.9 854.0 DAY 6 25 29 12 17 3 8 8 3 1 3 7 MEAN QNH PRESSURE IN HPA 1018.0 1017.7 1020.5 1016.5 1015.1 1011.3 1009.8 1011.7 1015.5 1022.0 1023.9 1023.8 1017.1 MAX. QNH PRESSURE IN HPA 1022.2 1023.3 1027.6 1022.1 1018.5 1016.5 1012.8 1017.8 1018.5 1026.3 1027.8 1031.2 1031.2 DAY 20 4 3 27 24 25 13 29 27 12 14 16 MIN. QNH PRESSURE IN HPA 1012.1 1009.4 1010.0 1009.4 1012.1 1007.4 1007.4 1007.1 1013.0 1016.7 1020.2 1018.4 1007.1 DAY 6 25 29 12 17 3 8 8 3 1 3 7 MEAN QFF PRESSURE IN HPA 1016.1 1014.8 1014.9 1007.0 1003.3 998.5 996.3 999.3 1005.3 1015.1 1019.4 1022.0 1009.3 MAX. QFF PRESSURE IN HPA 1023.5 1023.3 1026.9 1013.6 1006.9 1004.0 1001.8 1006.2 1010.6 1019.9 1025.5 1031.3 1031.3 DAY 20 4 4 23 4 22 13 29 27 15 29 16 MIN. QFF PRESSURE IN HPA 1008.2 1004.5 1002.3 1000.0 998.5 993.0 992.9 993.8 1001.0 1007.5 1011.9 1015.0 992.9 DAY 5 25 29 12 28 3 26 5 1 1 3 7 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 861.4 862.0 864.2 861.0 859.8 856.6 855.2 856.7 859.7 865.2 866.7 866.4 861.2 MAX. QFE PRESSURE IN HPA 865.2 867.8 870.7 865.9 863.1 860.7 857.3 861.7 862.3 868.6 870.0 872.1 872.1 DAY 1 20 3 27 24 25 30 29 27 12 29 16 MIN. QFE PRESSURE IN HPA 856.7 854.1 858.5 855.1 856.6 854.4 853.3 853.4 857.9 860.8 863.7 861.6 853.3 DAY 5 16 29 12 20 5 8 8 3 1 3 7 MEAN QNH PRESSURE IN HPA 1015.6 1016.3 1018.8 1015.1 1013.7 1010.1 1008.4 1010.2 1013.6 1019.9 1021.7 1021.3 1015.4 MAX. QNH PRESSURE IN HPA 1019.9 1022.9 1026.2 1020.7 1017.5 1014.8 1010.9 1015.9 1016.6 1023.8 1025.4 1027.8 1027.8 DAY 1 20 3 27 24 25 30 29 27 12 29 16 MIN. QNH PRESSURE IN HPA 1010.2 1007.2 1012.2 1008.4 1010.1 1007.6 1006.3 1006.4 1011.6 1014.9 1018.2 1015.8 1006.3 DAY 5 16 29 12 20 5 8 8 3 1 3 7 MEAN QFF PRESSURE IN HPA 1012.5 1012.7 1012.6 1005.4 1001.9 997.0 994.8 997.8 1003.3 1012.6 1016.7 1018.1 1007.1 MAX. QFF PRESSURE IN HPA 1019.9 1021.0 1024.9 1011.0 1006.0 1002.0 998.2 1004.2 1008.8 1017.4 1022.8 1027.4 1027.4 DAY 8 3 3 23 24 25 13 29 26 31 29 16 MIN. QFF PRESSURE IN HPA 1005.8 1003.2 1004.6 998.9 996.9 994.6 991.6 993.7 998.6 1006.0 1010.3 1011.0 991.6 DAY 5 16 28 12 27 8 8 10 1 1 3 7 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 860.8 860.8 862.8 859.7 859.8 855.3 853.8 855.5 858.7 864.4 866.0 865.6 860.3 MAX. QFE PRESSURE IN HPA 864.9 866.7 867.8 865.0 884.7 858.2 856.5 860.4 862.0 867.8 868.7 871.1 884.7 DAY 20 3 3 27 28 25 13 29 28 12 29 16 MIN. QFE PRESSURE IN HPA 855.3 851.9 857.0 855.9 855.4 852.4 851.7 852.1 856.6 859.6 863.0 860.3 851.7 DAY 5 16 28 12 27 5 2 8 3 1 3 7 MEAN QNH PRESSURE IN HPA 1014.9 1014.9 1017.1 1013.6 1013.7 1008.5 1006.9 1008.9 1012.5 1019.0 1020.9 1020.4 1014.3 MAX. QNH PRESSURE IN HPA 1019.6 1021.6 1022.9 1019.7 1042.2 1011.9 1010.0 1014.4 1016.2 1022.9 1023.9 1026.6 1042.2 DAY 20 3 3 27 28 25 13 29 28 12 29 16 MIN. QNH PRESSURE IN HPA 1008.6 1004.7 1010.5 1009.3 1008.7 1005.3 1004.5 1004.9 1010.1 1013.5 1017.4 1014.3 1004.5 DAY 5 16 28 12 27 5 2 8 3 1 3 7 MEAN QFF PRESSURE IN HPA 1012.6 1011.6 1011.7 1004.6 1002.7 996.2 993.7 997.2 1003.0 1012.6 1016.6 1018.1 1006.7 MAX. QFF PRESSURE IN HPA 1019.8 1021.5 1022.7 1011.1 1029.9 1000.0 997.4 1003.3 1008.9 1017.5 1022.6 1027.1 1029.9 DAY 19 3 4 23 28 25 13 29 28 12 29 16 MIN. QFF PRESSURE IN HPA 1004.4 1000.8 1002.5 999.4 996.2 992.9 990.9 992.8 998.2 1005.6 1010.2 1009.8 990.9 DAY 5 16 28 12 27 5 27 10 1 1 3 7 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION ZAHEDAN (40856) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 28 N LONGITUDE 60 53 E DATA PROCESSING CENTER ELEVATION 1370.0 M MEANS AND EXTREMES FOR THE YEAR 1954 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 861.9 861.8 863.6 860.2 858.8 856.3 854.0 856.0 859.3 865.3 867.0 866.9 860.9 MAX. QFE PRESSURE IN HPA 865.8 867.9 868.8 864.6 862.9 885.0 855.9 860.6 862.2 868.9 869.7 872.1 885.0 DAY 15 3 3 27 24 27 31 29 28 19 14 15 MIN. QFE PRESSURE IN HPA 856.6 851.7 857.2 856.1 855.0 852.6 852.0 851.7 857.2 860.0 864.0 861.8 851.7 DAY 5 16 28 12 20 5 26 8 3 1 3 7 MEAN QNH PRESSURE IN HPA 1016.1 1016.0 1018.1 1014.2 1012.6 1009.7 1007.1 1009.4 1013.1 1020.0 1022.0 1021.8 1015.0 MAX. QNH PRESSURE IN HPA 1020.6 1023.0 1024.0 1019.2 1017.3 1042.5 1009.3 1014.6 1016.5 1024.1 1025.0 1027.8 1042.5 DAY 15 3 3 27 24 27 31 29 28 19 14 15 MIN. QNH PRESSURE IN HPA 1010.1 1004.5 1010.8 1009.5 1008.2 1005.5 1004.8 1004.5 1010.8 1014.0 1018.5 1016.0 1004.5 DAY 5 16 28 12 20 5 26 8 3 1 3 7 MEAN QFF PRESSURE IN HPA 1015.7 1014.1 1014.2 1006.0 1002.0 998.0 994.7 999.0 1005.4 1015.4 1019.2 1021.8 1008.8 MAX. QFF PRESSURE IN HPA 1024.1 1024.7 1025.8 1010.9 1007.2 1031.4 997.6 1005.2 1011.3 1019.5 1024.0 1029.0 1031.4 DAY 20 3 3 23 24 27 15 29 28 12 29 16 MIN. QFF PRESSURE IN HPA 1007.6 1000.5 1003.4 999.7 996.3 993.9 991.9 993.5 1000.7 1007.6 1012.6 1013.2 991.9 DAY 5 16 28 12 28 5 2 8 4 1 3 7 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 862.3 862.5 864.5 861.4 860.0 856.8 855.5 857.5 860.6 866.4 867.8 867.6 861.9 MAX. QFE PRESSURE IN HPA 866.3 869.4 870.1 865.7 863.3 859.1 858.1 861.2 862.8 869.7 870.2 874.8 874.8 DAY 10 3 3 25 1 25 14 29 22 11 9 15 MIN. QFE PRESSURE IN HPA 856.7 855.0 856.8 857.4 855.9 854.9 852.9 853.7 858.0 862.3 864.8 862.3 852.9 DAY 5 16 28 11 19 9 27 9 3 1 3 7 MEAN QNH PRESSURE IN HPA 1016.6 1016.8 1019.1 1015.5 1013.9 1010.3 1008.8 1011.1 1014.6 1021.3 1022.9 1022.7 1016.1 MAX. QNH PRESSURE IN HPA 1021.2 1024.7 1025.5 1020.5 1017.7 1012.9 1011.8 1015.3 1017.2 1025.0 1025.6 1030.9 1030.9 DAY 10 3 3 25 1 25 14 29 22 11 9 15 MIN. QNH PRESSURE IN HPA 1010.2 1008.2 1010.3 1011.0 1009.3 1008.1 1005.8 1006.8 1011.7 1016.6 1019.4 1016.6 1005.8 DAY 5 16 28 11 19 9 27 9 3 1 3 7 MEAN QFF PRESSURE IN HPA 1014.5 1013.8 1013.5 1005.9 1002.0 997.5 995.3 998.8 1004.4 1014.4 1018.5 1020.9 1008.3 MAX. QFF PRESSURE IN HPA 1022.1 1024.5 1025.2 1010.8 1006.7 1002.0 1000.6 1004.0 1009.4 1018.9 1023.5 1029.0 1029.0 DAY 18 3 3 23 1 22 13 29 24 15 28 15 MIN. QFF PRESSURE IN HPA 1007.4 1004.5 1002.2 1001.1 996.5 994.9 992.3 993.7 999.6 1007.9 1011.1 1011.3 992.3 DAY 4 16 28 18 28 1 26 9 4 1 3 7 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 862.3 862.4 864.6 861.4 859.7 856.8 855.7 857.6 860.4 866.3 867.4 867.3 861.8 MAX. QFE PRESSURE IN HPA 866.4 870.3 869.9 865.4 863.0 859.3 857.9 861.5 862.7 870.0 869.6 874.6 874.6 DAY 10 3 3 27 1 21 14 27 22 12 9 15 MIN. QFE PRESSURE IN HPA 856.3 856.2 856.0 857.3 854.4 854.9 853.1 854.0 858.0 862.4 865.0 861.7 853.1 DAY 5 16 28 9 22 5 7 10 3 1 22 31 MEAN QNH PRESSURE IN HPA 1016.6 1016.7 1019.2 1015.6 1013.7 1010.3 1009.0 1011.2 1014.4 1021.2 1022.5 1022.2 1016.0 MAX. QNH PRESSURE IN HPA 1021.3 1025.7 1025.3 1020.1 1017.4 1013.2 1011.6 1015.7 1017.0 1025.4 1024.9 1030.6 1030.6 DAY 10 3 3 27 1 21 14 27 22 12 9 15 MIN. QNH PRESSURE IN HPA 1009.7 1009.6 1009.4 1010.9 1007.6 1008.1 1006.1 1007.1 1011.7 1016.7 1019.7 1015.9 1006.1 DAY 5 16 28 9 22 5 7 10 3 1 22 31 MEAN QFF PRESSURE IN HPA 1013.5 1013.1 1013.0 1005.6 1001.9 997.2 995.4 998.7 1004.1 1014.0 1017.6 1019.0 1007.8 MAX. QFF PRESSURE IN HPA 1020.8 1026.2 1025.0 1013.1 1007.0 1000.3 999.5 1004.4 1008.5 1018.4 1021.6 1028.7 1028.7 DAY 19 3 3 22 9 21 13 27 27 11 28 15 MIN. QFF PRESSURE IN HPA 1007.2 1005.4 1000.0 1001.0 996.6 994.9 991.9 994.2 999.2 1007.9 1012.3 1010.2 991.9 DAY 5 16 28 18 22 3 7 10 4 1 3 7 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION ZAHEDAN (40856) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 28 N LONGITUDE 60 53 E DATA PROCESSING CENTER ELEVATION 1370.0 M MEANS AND EXTREMES FOR THE YEAR 1955 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 7.0 10.9 16.1 19.3 ***** 26.8 29.9 28.5 22.9 15.6 13.1 9.2 ***** MINIMUN AIR TEMPERATURE (C) 2.2 3.1 10.1 10.9 ***** 17.9 19.4 18.8 12.1 5.9 3.9 2.3 ***** DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 **** 4 12 17 0 0 0 0 **** DAYS WITH MINIMUM TEMP. <=-4 0 0 0 0 **** 0 0 0 0 0 0 4 **** DAYS WITH FREEZING MIN.<= 0 11 8 0 0 **** 0 0 0 0 1 3 10 **** TEMPERATURE RECORDS LOWEST(C) -3.0 -2.0 5.0 1.0 ***** 14.0 11.0 11.0 6.0 0.0 0.0 -5.0 ***** DAY 11 3 1 14 ** 4 13 24 23 17 28 22 MAXIMUM AIR TEMPERATURE (C) 14.6 20.1 23.4 27.3 ***** 34.2 37.9 36.8 32.7 25.6 23.2 17.1 ***** DAYS WITH MAXIMUM TEMP. >=30 0 0 2 13 **** 30 31 31 27 2 0 0 **** DAYS WITH MAXIMUM TEMP. <= 0 0 0 0 0 **** 0 0 0 0 0 0 0 **** TEMPERATURE RECORDS HIGHEST(C) 20.0 25.0 30.0 33.0 ***** 38.0 42.0 41.0 37.0 31.0 28.0 22.0 ***** DAY 1 16 6 29 ** 10 22 6 10 2 1 27 DIF. BETWEEN (MAX.-MIN.) (C) 12.4 17.0 13.3 16.4 ***** 16.3 18.5 18.0 20.6 19.7 19.3 14.8 ***** MEAN DAILY TEMP. (MDT) (C) 8.4 11.6 16.8 19.1 ***** 26.1 28.6 27.8 22.4 15.8 13.5 9.7 ***** COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.5 20.5 ****** 152.5 237.0 211.0 59.5 1.0 0.0 0.0 ****** HEATING DEG. DAYS(BASE 18 0C) 297.5 179.0 57.5 35.5 ****** 0.0 0.0 0.0 1.0 77.5 134.0 257.5 ****** DEWPOINT (MEAN C) 1.1 -3.6 2.0 -0.5 ***** 3.7 -0.5 -0.8 -3.9 -7.5 -4.5 -1.8 ***** MIXING RATIO (G/KG) 4.90 3.55 5.35 4.46 ****** 6.02 4.56 4.52 3.60 2.65 3.29 4.19 ****** VAPOUR PRESSURE (HPA) 6.78 4.90 7.34 6.14 ****** 8.22 6.21 6.16 4.94 3.66 4.56 5.78 ****** SATURATION DEF. (HPA) 3.63 9.33 11.84 17.92 ****** 28.49 37.92 35.28 25.37 15.84 11.88 6.61 ****** RELATIVE HUMIDITY (MEAN %) 70 42 43 29 *** 24 16 17 19 23 33 51 *** RELATIVE HUMIDITY (MAX. %) 87 67 62 47 *** 36 25 28 33 38 54 74 *** RELATIVE HUMIDITY (MIN. %) 46 19 24 16 *** 15 7 8 9 10 15 29 *** RELATIVE HUMIDITY (MEAN% 03UTC) 84 63 57 42 *** 31 20 24 29 35 49 70 *** RELATIVE HUMIDITY (MEAN% 09UTC) 50 22 29 17 *** 18 10 10 11 12 17 31 *** RELATIVE HUMIDITY (MEAN% 15UTC) 69 35 39 25 *** 20 11 12 13 16 24 47 *** RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 36.0 0.0 19.0 0.0 ****** 0.0 0.0 0.0 0.0 0.0 0.4 26.0 ****** DAYS WITH PRECIPITATION >=10 1 0 1 0 **** 0 0 0 0 0 0 2 **** DAYS WITH PRECIPITATION >= 5 3 0 2 0 **** 0 0 0 0 0 0 2 **** DAYS WITH PRECIPITATION >= 1 6 0 3 0 **** 0 0 0 0 0 0 4 **** DAYS WITH PRECIPITATION 7 0 5 0 **** 0 0 0 0 0 1 4 **** GREATEST DAILY PRECIPITATION 14.0 0.0 12.0 0.0 ****** 0.0 0.0 0.0 0.0 0.0 0.4 13.0 ****** DAY 19 ** 13 ** ** ** ** ** ** ** 5 13 DAY WITH THUNDER STORM 0 0 0 0 **** 0 0 0 0 0 0 2 **** DAYS WITH SNOW OR SLEET 1 0 0 0 **** 0 0 0 0 0 0 0 **** DAYS WITH DUST 0 1 5 1 **** 1 3 0 0 0 0 3 **** WIND DIRECTION (PREVAILING) 360 360 180 360 *** 360 360 360 360 360 360 180 *** PREVAILING WIND SPEED(KNOTS) 4.5 4.4 13.1 6.4 **** 6.4 12.7 10.5 9.6 7.2 6.3 12.6 **** PREVAILING WIND PERCENT 18.1 20.1 21.8 22.9 ***** 31.7 45.6 33.5 40.8 36.7 25.0 40.3 ***** CALMS PERCENT OF WIND 18.5 14.3 6.9 7.1 ***** 9.6 2.0 5.6 11.7 17.7 18.8 6.0 ***** NO. OF WIND OBSERVATION 248 224 248 240 **** 240 248 248 240 248 240 248 2672 VECTOR WIND DIRECTION (MEAN) 31 210 206 313 *** 9 7 10 353 348 70 174 *** VECTOR WIND MAGNITUDE(KNOTS) 0.8 0.2 4.8 1.7 **** 3.9 5.0 3.0 3.8 2.6 0.9 4.6 **** WIND STEADINESES (MEAN %) 22.9 3.9 48.5 25.8 ***** 69.6 48.5 35.7 59.4 53.1 20.5 48.9 ***** WIND SPEED (MEAN KNOTS) 3.5 5.1 9.9 6.6 **** 5.6 10.3 8.4 6.4 4.9 4.4 9.4 **** FASTEST WIND DIRECTION 230 220 220 220 *** 310 360 50 360 310 360 200 *** FASTEST WIND SPEED (KNOTS) 24 30 37 37 *** 24 30 24 24 27 24 35 *** DAY 27 24 9 10 ** 1 20 10 8 15 5 8 DAYS WITH SKY CLEAR (0-2)/8 11 23 10 16 **** 26 28 25 30 26 26 17 **** DAYS WITH P.CLOUDY (3-6)/8 10 5 11 14 **** 4 3 6 0 5 4 9 **** DAYS WITH CLOUDY (7-8)/8 10 0 10 0 **** 0 0 0 0 0 0 5 **** DAYS WITH VISIBILITY =< 2 KM 4 0 1 1 **** 0 0 1 0 0 0 2 **** DURATION OF SUNSHINE HOURS ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ****** ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION ZAHEDAN (40856) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 28 N LONGITUDE 60 53 E DATA PROCESSING CENTER ELEVATION 1370.0 M MEANS AND EXTREMES FOR THE YEAR 1955 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL MEAN QFE PRESSURE IN HPA 866.8 863.1 861.7 863.1 ****** 857.6 854.5 855.4 860.4 865.0 866.1 864.5 ****** MAX. QFE PRESSURE IN HPA 872.7 869.2 867.0 869.3 ****** 881.8 866.7 863.8 867.4 869.8 871.1 872.1 ****** DAY-HOUR 11- 6 14-18 16- 6 2- 6 **-** 3- 0 1- 3 11-15 20- 6 18- 6 29- 6 2- 6 MIN. QFE PRESSURE IN HPA 860.7 857.0 856.2 853.9 ****** 852.3 850.8 850.1 852.8 859.1 860.0 853.0 ****** DAY-HOUR 27-12 23-12 4-12 10-15 **-** 11-12 29-15 6-12 1-12 8-12 4-18 29-12 MEAN QNH PRESSURE IN HPA 1021.7 1017.5 1015.9 1017.5 ****** 1011.2 1007.7 1008.7 1014.4 1019.7 1020.9 1019.1 ****** MAX. QNH PRESSURE IN HPA 1028.5 1024.5 1022.0 1024.6 ****** 1038.9 1021.6 1018.3 1022.4 1025.2 1026.6 1027.8 ****** DAY-HOUR 11- 6 14-18 16- 6 2- 6 **-** 3- 0 1- 3 11-15 20- 6 18- 6 29- 6 2- 6 MIN. QNH PRESSURE IN HPA 1014.8 1010.5 1009.6 1007.0 ****** 1005.2 1003.4 1002.6 1005.7 1012.9 1014.0 1006.0 ****** DAY-HOUR 27-12 23-12 4-12 10-15 **-** 11-12 29-15 6-12 1-12 8-12 4-18 29-12 MEAN QFF PRESSURE IN HPA 1020.9 1014.5 1009.9 1009.9 ****** 999.3 994.4 996.1 1004.8 1014.2 1016.8 1017.1 ****** MAX. QFF PRESSURE IN HPA 1030.8 1023.2 1017.8 1018.5 ****** 1029.8 1010.9 1005.9 1015.6 1022.4 1025.5 1029.6 ****** DAY-HOUR 10- 3 9- 3 16- 6 16- 3 **-** 3- 0 1- 3 21- 3 24- 3 18- 3 29- 3 23- 3 MIN. QFF PRESSURE IN HPA 1011.2 1003.2 1000.4 997.6 ****** 992.7 988.2 987.8 994.3 1005.7 1007.1 1002.6 ****** DAY-HOUR 1- 0 23-21 28- 0 10-15 **-** 11-12 23- 0 6-12 1- 9 8-12 4-18 29-12 PRESSURE AT HOUR 0000 UTC. MEAN QFE PRESSURE IN HPA 866.6 863.1 861.6 863.2 ****** 858.5 854.9 855.6 860.4 865.2 866.0 864.8 ****** MAX. QFE PRESSURE IN HPA 871.5 867.7 866.7 868.3 ****** 881.8 866.3 859.8 865.8 868.7 869.5 870.2 ****** DAY 11 15 6 2 ** 3 9 23 21 18 29 23 MIN. QFE PRESSURE IN HPA 862.0 857.8 856.6 854.9 ****** 855.0 851.1 852.9 855.3 861.3 863.1 857.2 ****** DAY 1 24 28 11 ** 28 16 15 1 2 19 30 MEAN QNH PRESSURE IN HPA 1021.5 1017.5 1015.8 1017.6 ****** 1012.3 1008.1 1008.9 1014.4 1019.9 1020.9 1019.4 ****** MAX. QNH PRESSURE IN HPA 1027.1 1022.8 1021.6 1023.4 ****** 1038.9 1021.2 1013.7 1020.6 1023.9 1024.8 1025.6 ****** DAY 11 15 6 2 ** 3 9 23 21 18 29 23 MIN. QNH PRESSURE IN HPA 1016.2 1011.4 1010.1 1008.1 ****** 1008.2 1003.8 1005.8 1008.6 1015.4 1017.5 1010.8 ****** DAY 1 24 28 11 ** 28 16 15 1 2 19 30 MEAN QFF PRESSURE IN HPA 1020.4 1014.2 1009.6 1010.1 ****** 1000.7 995.1 996.3 1004.8 1014.3 1016.4 1017.0 ****** MAX. QFF PRESSURE IN HPA 1029.5 1021.0 1016.1 1017.7 ****** 1029.8 1006.7 1004.1 1013.2 1020.1 1022.3 1026.5 ****** DAY 10 3 16 2 ** 3 9 22 23 18 29 23 MIN. QFF PRESSURE IN HPA 1011.2 1003.8 1000.4 998.5 ****** 996.8 988.2 991.0 997.7 1007.4 1011.9 1006.5 ****** DAY 1 24 28 11 ** 11 23 7 1 2 4 30 PRESSURE AT HOUR 0300 UTC. MEAN QFE PRESSURE IN HPA 867.0 863.4 861.8 863.7 ****** 858.2 855.5 856.4 861.1 865.6 866.8 865.0 ****** MAX. QFE PRESSURE IN HPA 871.9 868.0 865.5 867.5 ****** 861.8 866.7 860.9 866.4 869.3 870.3 870.9 ****** DAY 11 15 23 2 ** 2 1 21 24 18 29 23 MIN. QFE PRESSURE IN HPA 862.0 858.4 858.0 857.0 ****** 854.4 852.2 853.6 855.6 860.8 863.9 856.9 ****** DAY 27 24 28 11 ** 11 16 7 1 9 1 29 MEAN QNH PRESSURE IN HPA 1021.9 1017.8 1016.1 1018.1 ****** 1011.9 1008.9 1009.8 1015.2 1020.3 1021.7 1019.7 ****** MAX. QNH PRESSURE IN HPA 1027.6 1023.1 1020.2 1022.5 ****** 1016.0 1021.6 1015.0 1021.3 1024.6 1025.7 1026.4 ****** DAY 11 15 23 2 ** 2 1 21 24 18 29 23 MIN. QNH PRESSURE IN HPA 1016.2 1012.1 1011.7 1010.5 ****** 1007.6 1005.0 1006.6 1008.9 1014.9 1018.4 1010.4 ****** DAY 27 24 28 11 ** 11 16 7 1 9 1 29 MEAN QFF PRESSURE IN HPA 1022.4 1016.5 1011.1 1011.8 ****** 1000.6 996.1 998.0 1006.8 1016.3 1019.2 1019.1 ****** MAX. QFF PRESSURE IN HPA 1030.8 1023.2 1016.9 1018.5 ****** 1005.9 1010.9 1005.9 1015.6 1022.4 1025.5 1029.6 ****** DAY 10 9 23 16 ** 3 1 21 24 18 29 23 MIN. QFF PRESSURE IN HPA 1013.1 1005.9 1003.3 1001.1 ****** 995.0 991.5 992.2 998.8 1006.7 1012.6 1008.1 ****** DAY 27 24 28 10 ** 11 23 7 1 9 3 29 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION ZAHEDAN (40856) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 28 N LONGITUDE 60 53 E DATA PROCESSING CENTER ELEVATION 1370.0 M MEANS AND EXTREMES FOR THE YEAR 1955 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 0600 UTC. MEAN QFE PRESSURE IN HPA 868.1 864.5 862.8 864.3 ****** 858.4 855.3 856.1 861.7 866.2 867.5 865.8 ****** MAX. QFE PRESSURE IN HPA 872.7 868.8 867.0 869.3 ****** 862.3 860.4 860.1 867.4 869.8 871.1 872.1 ****** DAY 11 14 16 2 ** 2 10 22 20 18 29 2 MIN. QFE PRESSURE IN HPA 863.3 860.4 859.0 857.4 ****** 854.2 852.6 852.2 856.1 862.7 864.0 857.2 ****** DAY 27 11 4 10 ** 11 27 7 1 8 4 29 MEAN QNH PRESSURE IN HPA 1023.2 1019.1 1017.2 1018.9 ****** 1012.2 1008.6 1009.5 1015.9 1021.0 1022.5 1020.6 ****** MAX. QNH PRESSURE IN HPA 1028.5 1024.0 1022.0 1024.6 ****** 1016.6 1014.4 1014.1 1022.4 1025.2 1026.6 1027.8 ****** DAY 11 14 16 2 ** 2 10 22 20 18 29 2 MIN. QNH PRESSURE IN HPA 1017.7 1014.4 1012.8 1011.0 ****** 1007.3 1005.5 1005.0 1009.5 1017.0 1018.5 1010.8 ****** DAY 27 11 4 10 ** 11 27 7 1 8 4 29 MEAN QFF PRESSURE IN HPA 1022.6 1016.1 1011.0 1010.9 ****** 999.8 994.9 996.4 1005.6 1015.0 1018.2 1018.5 ****** MAX. QFF PRESSURE IN HPA 1030.2 1022.1 1017.8 1018.1 ****** 1005.8 1001.8 1004.1 1013.3 1021.0 1024.6 1028.6 ****** DAY 11 9 16 2 ** 2 10 22 24 18 29 23 MIN. QFF PRESSURE IN HPA 1013.4 1008.4 1005.1 1000.8 ****** 993.8 991.4 989.9 997.4 1008.2 1012.1 1008.2 ****** DAY 1 24 28 10 ** 11 16 7 1 2 3 29 PRESSURE AT HOUR 0900 UTC. MEAN QFE PRESSURE IN HPA 866.3 863.1 861.6 863.2 ****** 857.7 854.4 855.0 860.2 864.4 865.6 863.7 ****** MAX. QFE PRESSURE IN HPA 870.4 869.0 865.6 867.8 ****** 860.9 859.3 858.9 866.4 868.3 868.6 870.0 ****** DAY 11 14 15 19 ** 2 10 22 20 14 16 2 MIN. QFE PRESSURE IN HPA 862.1 858.2 857.0 855.5 ****** 853.8 851.4 851.1 853.5 860.7 861.6 854.1 ****** DAY 26 23 4 10 ** 29 28 7 1 2 1 29 MEAN QNH PRESSURE IN HPA 1021.1 1017.4 1015.8 1017.6 ****** 1011.3 1007.6 1008.3 1014.1 1019.0 1020.4 1018.2 ****** MAX. QNH PRESSURE IN HPA 1025.8 1024.2 1020.4 1022.9 ****** 1015.0 1013.2 1012.7 1021.3 1023.4 1023.8 1025.4 ****** DAY 11 14 15 19 ** 2 10 22 20 14 16 2 MIN. QNH PRESSURE IN HPA 1016.4 1011.9 1010.5 1008.8 ****** 1006.9 1004.1 1003.8 1006.5 1014.8 1015.8 1007.2 ****** DAY 26 23 4 10 ** 29 28 7 1 2 1 29 MEAN QFF PRESSURE IN HPA 1019.4 1013.5 1009.1 1009.3 ****** 998.9 994.0 995.2 1003.8 1012.7 1015.3 1015.2 ****** MAX. QFF PRESSURE IN HPA 1026.2 1019.4 1015.8 1016.7 ****** 1003.9 1000.4 1002.7 1011.4 1019.1 1020.3 1024.4 ****** DAY 11 9 23 13 ** 2 10 22 24 18 29 23 MIN. QFF PRESSURE IN HPA 1012.0 1005.5 1002.6 998.4 ****** 994.2 990.2 989.1 994.3 1005.7 1008.6 1003.5 ****** DAY 1 23 4 10 ** 11 17 7 1 2 1 29 PRESSURE AT HOUR 1200 UTC. MEAN QFE PRESSURE IN HPA 865.3 861.7 860.3 862.1 ****** 856.4 853.5 854.1 859.1 863.5 865.0 863.3 ****** MAX. QFE PRESSURE IN HPA 869.5 867.1 864.7 867.8 ****** 860.0 858.9 858.0 864.3 867.0 867.6 869.2 ****** DAY 10 14 15 16 ** 13 10 22 22 17 16 23 MIN. QFE PRESSURE IN HPA 860.7 857.0 856.2 854.7 ****** 852.3 850.9 850.1 852.8 859.1 861.3 853.0 ****** DAY 27 23 4 10 ** 11 16 6 1 8 1 29 MEAN QNH PRESSURE IN HPA 1020.0 1015.9 1014.3 1016.4 ****** 1009.8 1006.5 1007.2 1012.9 1018.0 1019.7 1017.8 ****** MAX. QNH PRESSURE IN HPA 1024.8 1022.1 1019.3 1022.9 ****** 1014.0 1012.7 1011.7 1018.9 1022.0 1022.6 1024.5 ****** DAY 10 14 15 16 ** 13 10 22 22 17 16 23 MIN. QNH PRESSURE IN HPA 1014.8 1010.5 1009.6 1007.9 ****** 1005.2 1003.6 1002.6 1005.7 1012.9 1015.4 1006.0 ****** DAY 27 23 4 10 ** 11 16 6 1 8 1 29 MEAN QFF PRESSURE IN HPA 1018.9 1012.5 1008.0 1008.8 ****** 998.2 993.5 994.7 1003.3 1012.4 1015.3 1015.4 ****** MAX. QFF PRESSURE IN HPA 1025.8 1018.5 1015.4 1018.2 ****** 1003.1 1000.2 1001.9 1011.8 1018.4 1019.8 1025.1 ****** DAY 10 9 23 16 ** 13 10 22 22 17 29 22 MIN. QFF PRESSURE IN HPA 1011.6 1004.6 1001.4 997.8 ****** 992.7 989.6 987.8 994.9 1005.7 1009.6 1002.6 ****** DAY 27 23 28 10 ** 11 29 6 1 8 1 29 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION ZAHEDAN (40856) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 28 N LONGITUDE 60 53 E DATA PROCESSING CENTER ELEVATION 1370.0 M MEANS AND EXTREMES FOR THE YEAR 1955 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL PRESSURE AT HOUR 1500 UTC. MEAN QFE PRESSURE IN HPA 866.5 862.5 861.3 862.0 ****** 856.4 853.5 854.7 859.4 864.1 865.2 863.8 ****** MAX. QFE PRESSURE IN HPA 870.3 867.1 865.4 867.6 ****** 859.6 858.0 863.8 864.3 867.6 868.2 869.6 ****** DAY 12 14 22 1 ** 5 10 11 22 18 29 2 MIN. QFE PRESSURE IN HPA 862.0 857.5 857.9 853.9 ****** 853.0 850.8 851.1 854.1 859.5 861.4 854.0 ****** DAY 26 23 4 10 ** 11 29 6 2 8 3 29 MEAN QNH PRESSURE IN HPA 1021.4 1016.8 1015.4 1016.3 ****** 1009.9 1006.5 1007.9 1013.2 1018.7 1019.9 1018.3 ****** MAX. QNH PRESSURE IN HPA 1025.7 1022.1 1020.1 1022.6 ****** 1013.5 1011.7 1018.3 1018.9 1022.6 1023.3 1024.9 ****** DAY 12 14 22 1 ** 5 10 11 22 18 29 2 MIN. QNH PRESSURE IN HPA 1016.2 1011.1 1011.6 1007.0 ****** 1006.0 1003.4 1003.8 1007.2 1013.4 1015.6 1007.1 ****** DAY 26 23 4 10 ** 11 29 6 2 8 3 29 MEAN QFF PRESSURE IN HPA 1021.9 1015.3 1010.4 1009.8 ****** 998.6 993.7 996.1 1004.9 1014.6 1017.3 1017.8 ****** MAX. QFF PRESSURE IN HPA 1028.4 1021.8 1016.0 1018.3 ****** 1002.7 999.8 1004.8 1013.3 1020.8 1023.3 1027.7 ****** DAY 12 9 15 1 ** 4 10 11 22 18 29 23 MIN. QFF PRESSURE IN HPA 1013.4 1007.1 1004.2 997.6 ****** 993.4 988.9 989.8 997.2 1007.1 1009.5 1004.3 ****** DAY 27 23 27 10 ** 11 29 6 2 8 3 29 PRESSURE AT HOUR 1800 UTC. MEAN QFE PRESSURE IN HPA 867.4 863.6 862.4 863.5 ****** 857.5 854.5 855.7 860.8 865.6 866.3 864.9 ****** MAX. QFE PRESSURE IN HPA 871.3 869.2 866.8 869.0 ****** 860.8 859.1 860.1 865.8 869.3 870.1 871.1 ****** DAY 10 14 22 1 ** 6 10 22 20 18 28 22 MIN. QFE PRESSURE IN HPA 863.0 858.0 859.0 856.7 ****** 854.4 851.1 851.7 856.4 862.1 860.0 856.4 ****** DAY 26 23 28 10 ** 28 15 15 1 7 4 29 MEAN QNH PRESSURE IN HPA 1022.4 1018.1 1016.7 1017.9 ****** 1011.1 1007.7 1009.0 1014.8 1020.3 1021.2 1019.6 ****** MAX. QNH PRESSURE IN HPA 1026.9 1024.5 1021.7 1024.2 ****** 1014.9 1012.9 1014.1 1020.6 1024.6 1025.5 1026.6 ****** DAY 10 14 22 1 ** 6 10 22 20 18 28 22 MIN. QNH PRESSURE IN HPA 1017.4 1011.7 1012.8 1010.2 ****** 1007.6 1003.8 1004.5 1009.8 1016.4 1014.0 1009.8 ****** DAY 26 23 28 10 ** 28 15 15 1 7 4 29 MEAN QFF PRESSURE IN HPA 1021.8 1015.0 1010.5 1009.8 ****** 998.9 993.9 995.9 1004.7 1014.3 1016.9 1017.5 ****** MAX. QFF PRESSURE IN HPA 1028.2 1021.2 1016.8 1018.0 ****** 1003.3 1000.6 1004.0 1012.1 1020.4 1023.3 1028.1 ****** DAY 10 9 15 1 ** 4 10 22 24 18 28 22 MIN. QFF PRESSURE IN HPA 1014.8 1004.8 1004.6 1000.0 ****** 994.2 989.2 990.2 998.6 1007.6 1007.1 1007.3 ****** DAY 26 23 7 10 ** 11 22 15 2 8 4 29 PRESSURE AT HOUR 2100 UTC. MEAN QFE PRESSURE IN HPA 867.0 862.9 862.1 863.3 ****** 857.8 854.7 855.7 861.0 865.6 866.5 864.8 ****** MAX. QFE PRESSURE IN HPA 871.4 869.0 866.6 868.3 ****** 861.0 858.5 860.5 865.9 869.1 870.0 870.8 ****** DAY 10 14 22 1 ** 1 9 22 22 18 16 22 MIN. QFE PRESSURE IN HPA 862.2 857.7 858.4 856.0 ****** 854.7 851.3 852.6 856.4 861.7 863.2 857.0 ****** DAY 26 23 27 10 ** 11 16 20 1 7 3 29 MEAN QNH PRESSURE IN HPA 1022.0 1017.3 1016.4 1017.7 ****** 1011.5 1007.9 1009.1 1015.1 1020.4 1021.4 1019.4 ****** MAX. QNH PRESSURE IN HPA 1027.0 1024.2 1021.5 1023.4 ****** 1015.1 1012.2 1014.5 1020.7 1024.4 1025.4 1026.3 ****** DAY 10 14 22 1 ** 1 9 22 22 18 16 22 MIN. QNH PRESSURE IN HPA 1016.5 1011.3 1012.1 1009.4 ****** 1007.9 1004.0 1005.5 1009.8 1015.9 1017.6 1010.5 ****** DAY 26 23 27 10 ** 11 16 20 1 7 3 29 MEAN QFF PRESSURE IN HPA 1020.4 1013.2 1009.7 1009.3 ****** 999.2 994.2 996.0 1004.9 1014.1 1016.3 1016.4 ****** MAX. QFF PRESSURE IN HPA 1027.9 1019.5 1016.8 1017.8 ****** 1004.3 999.9 1004.4 1013.2 1020.1 1021.5 1026.3 ****** DAY 10 9 15 15 ** 2 10 22 22 18 28 22 MIN. QFF PRESSURE IN HPA 1012.7 1003.2 1003.2 998.8 ****** 994.3 988.6 991.8 998.6 1007.9 1010.5 1005.7 ****** DAY 26 23 27 10 ** 11 22 6 2 7 4 29 ======================================================================================================================= TEHRAN 2006,MAY M.(S & A) STATION ZAHEDAN (40856) I.R OF IRAN METEOROLOGICAL ORGANIZATION (IRIMO) LATITUDE 29 28 N LONGITUDE 60 53 E DATA PROCESSING CENTER ELEVATION 1370.0 M MEANS AND EXTREMES FOR THE YEAR 1956 JAN. FEB. MAR. APR. MAY JUNE JULY AUG. SEP. OCT. NOV. DEC. ANNUAL AIR TEMPERATURE (C) 5.2 9.8 15.2 19.8 26.5 26.7 28.3 26.0 23.5 15.7 11.6 6.8 17.9 MINIMUN AIR TEMPERATURE (C) -0.1 2.7 9.9 12.5 16.6 17.2 21.5 16.3 14.5 5.8 2.4 0.3 10.0 DAYS WITH MINIMUM TEMP. >=21 0 0 0 0 3 2 18 1 0 0 0 0 24 DAYS WITH MINIMUM TEMP. <=-4 11 5 0 0 0 0 0 0 0 0 0 5 21 DAYS WITH FREEZING MIN.<= 0 19 13 0 1 0 0 0 0 0 0 3 18 54 TEMPERATURE RECORDS LOWEST(C) -7.0 -6.0 2.0 0.0 10.0 14.0 17.0 11.0 11.0 3.0 -1.0 -7.0 -7.0 DAY 4 14 16 3 4 7 5 30 17 8 15 26 MAXIMUM AIR TEMPERATURE (C) 11.9 18.6 22.1 27.0 35.2 34.6 34.7 33.9 32.3 26.1 22.5 14.8 26.1 DAYS WITH MAXIMUM TEMP. >=30 0 0 0 14 28 30 27 31 26 6 0 0 162 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 27.0 32.0 40.0 39.0 39.0 36.0 37.0 32.0 26.0 23.0 40.0 DAY 31 11 9 13 28 3 8 7 13 18 7 10 DIF. BETWEEN (MAX.-MIN.) (C) 12.0 15.9 12.2 14.5 18.6 17.4 13.2 17.6 17.8 20.3 20.1 14.5 16.1 MEAN DAILY TEMP. (MDT) (C) 5.9 10.6 16.0 19.8 25.9 25.9 28.1 25.1 23.4 15.9 12.4 7.5 18.1 COOLING DEG. DAYS(BASE 21 0C) 0.0 0.0 0.0 32.5 151.5 147.5 220.5 128.0 75.0 0.0 0.0 0.0 755.0 HEATING DEG. DAYS(BASE 18 0C) 374.0 214.5 79.0 38.0 0.0 0.0 0.0 0.0 0.0 68.0 166.5 324.0 1264.0 DEWPOINT (MEAN C) -2.7 -7.6 2.5 1.3 1.0 1.3 6.4 -3.7 -1.8 -3.5 -5.2 -5.9 -1.5 MIXING RATIO (G/KG) 3.92 2.82 5.58 5.35 5.12 5.19 7.55 3.61 4.17 3.67 3.16 3.13 4.44 VAPOUR PRESSURE (HPA) 5.40 3.89 7.64 7.32 7.00 7.09 10.23 4.93 5.72 5.07 4.38 4.32 6.08 SATURATION DEF. (HPA) 4.02 9.46 10.46 17.34 29.94 29.65 29.74 30.47 25.09 14.54 10.77 6.38 18.15 RELATIVE HUMIDITY (MEAN %) 62 34 48 35 22 22 29 16 22 31 35 46 34 RELATIVE HUMIDITY (MAX. %) 85 60 73 56 36 38 44 30 38 49 55 66 53 RELATIVE HUMIDITY (MIN. %) 41 14 26 18 11 11 17 7 10 15 16 26 18 RELATIVE HUMIDITY (MEAN% 03UTC) 77 49 62 50 28 28 35 28 33 43 48 55 45 RELATIVE HUMIDITY (MEAN% 09UTC) 43 16 31 20 13 13 21 9 12 18 17 31 20 RELATIVE HUMIDITY (MEAN% 15UTC) 57 30 43 28 16 16 27 11 16 26 37 47 30 RH=0 => RELATIVE HUMIDITY < 0.5% AMOUNT OF PRECIPITATION MM. 28.2 4.3 27.2 21.0 0.0 0.0 26.0 0.0 0.0 6.0 0.0 5.0 117.7 DAYS WITH PRECIPITATION >=10 1 0 1 1 0 0 1 0 0 0 0 0 4 DAYS WITH PRECIPITATION >= 5 2 0 2 1 0 0 2 0 0 0 0 0 7 DAYS WITH PRECIPITATION >= 1 6 1 6 2 0 0 6 0 0 2 0 2 25 DAYS WITH PRECIPITATION 9 2 9 3 0 0 6 0 0 2 0 2 33 GREATEST DAILY PRECIPITATION 15.0 4.0 11.0 17.0 0.0 0.0 10.0 0.0 0.0 3.0 0.0 3.0 17.0 DAY 1 27 19 7 **