Station Name: MA'AN AIRPORT WMO Station Number: 40310 National I.D. Number: Country: JORDAN WMO Region: REGION VI - EUROPE Latitude: 30d 10m N Longitude: 035d 47m E Elevation: 1069 m In the following tables, byr = beginning year of normals or extremes data period eyr = ending year of normals or extremes data period NA = Not Applicable, data not submitted or not computed * = value > 0 but < units resolution Ann-NCDC = annual value computed by NCDC from monthly values provided by Members ========================================================== The normals data and climate variable descriptions are presented in these tables as provided by the WMO Member country. ========================================================== Element 01: Dry Bulb Temperature (deg C) MEAN (Statistic 01): Mean Value MNDLYMX (Statistic 09): Mean Daily Maximum Value MNDLYMI (Statistic 10): Mean Daily Minimum Value ---------------------------------- byr: 1961 1961 1961 eyr: 1990 1990 1990 Statistic: MEAN MNDLYMX MNDLYMI Month ---------------------------------- Jan 7.5 13.4 1.6 Feb 9.1 15.4 2.8 Mar 12.2 19.0 5.3 Apr 16.9 24.2 9.5 May 20.8 28.7 13.0 Jun 24.0 32.4 15.6 Jul 25.5 33.9 17.2 Aug 25.6 34.1 17.2 Sep 23.8 32.3 15.4 Oct 19.5 27.2 11.7 Nov 13.5 20.3 6.8 Dec 9.0 15.1 3.0 Annual 17.3 24.7 9.9 Ann-NCDC 17.3 24.7 9.9 ---------------------------------- Element 05: Dew Point Temperature (deg C) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 8.3 Feb 10.0 Mar 14.2 Apr 19.8 May 25.1 Jun 29.3 Jul 30.9 Aug 30.4 Sep 27.5 Oct 21.9 Nov 15.3 Dec 10.0 Annual 20.2 Ann-NCDC 20.2 ------------------ Element 06: Precipitation (mm) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 7.1 Feb 7.3 Mar 6.9 Apr 3.6 May 2.0 Jun 0.0 Jul 0.0 Aug 0.0 Sep 0.2 Oct 3.8 Nov 4.3 Dec 7.5 Annual 42.7 Ann-NCDC 42.7 ------------------ Element 11: Relative Humidity (%) MAX_VAL (Statistic 04): Maximum Value MIN_VAL (Statistic 05): Minimum Value -------------------------- byr: 1961 1961 eyr: 1990 1990 Statistic: MAX_VAL MIN_VAL Month -------------------------- Jan 100.0 8.0 Feb 100.0 5.0 Mar 100.0 4.0 Apr 100.0 3.0 May 100.0 3.0 Jun 100.0 6.0 Jul 100.0 3.0 Aug 100.0 6.0 Sep 100.0 4.0 Oct 100.0 5.0 Nov 100.0 6.0 Dec 100.0 7.0 Annual 100.0 3.0 Ann-NCDC NA NA -------------------------- Element 12: Sea Level Pressure (hPa) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 1495.0 Feb 1481.0 Mar 1482.0 Apr 1496.0 May 1505.0 Jun 1507.0 Jul 1494.0 Aug 1499.0 Sep 1517.0 Oct 1523.0 Nov 1514.0 Dec 1501.0 Annual 1501.0 Ann-NCDC NA ------------------ Element 14: Vapor Pressure (hPa) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 6.1 Feb 6.3 Mar 6.5 Apr 7.5 May 8.8 Jun 10.8 Jul 11.6 Aug 12.0 Sep 11.2 Oct 9.6 Nov 8.2 Dec 6.7 Annual 8.8 Ann-NCDC 8.8 ------------------ Element 15: Sunshine Statistic 44: Mean Number of Hours Qualifier: 06: Mean Daily Value Qualifier: NCDC: Mean Monthly Value Computed by NCDC from Mean Daily Values Provided by Member -------------------------- byr: 1961 1961 eyr: 1990 1990 Qualifier: 06 NCDC Month -------------------------- Jan 7.4 229.4 Feb 8.1 226.8 Mar 8.5 263.5 Apr 9.0 270.0 May 10.4 322.4 Jun 12.3 369.0 Jul 12.4 384.4 Aug 11.8 365.8 Sep 10.6 318.0 Oct 9.4 291.4 Nov 8.2 246.0 Dec 7.2 223.2 Annual 9.6 3509.9 Ann-NCDC NA 3509.9 -------------------------- Element 17: Wind Direction (degrees) PREVAIL (Statistic 41): Prevailing ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 262.0 Feb 269.0 Mar 277.0 Apr 282.0 May 310.0 Jun 319.0 Jul 316.0 Aug 339.0 Sep 317.0 Oct 296.0 Nov 264.0 Dec 264.0 Annual 290.0 Ann-NCDC NA ------------------ Element 19: Soil Temperature (deg C) Statistic 01: Mean Value Qualifier: 10.0 cm depth Qualifier: 30.0 cm depth -------------------------- byr: 1961 1961 eyr: 1990 1990 Qualifier: 10.0 30.0 Month -------------------------- Jan 9.8 11.1 Feb 10.9 11.8 Mar 14.4 14.8 Apr 19.4 19.2 May 24.0 23.4 Jun 28.0 27.2 Jul 29.4 29.1 Aug 29.7 29.5 Sep 27.8 28.1 Oct 23.5 24.3 Nov 17.2 18.8 Dec 12.2 13.7 Annual 20.5 20.9 Ann-NCDC NA NA -------------------------- Element 20: Sky Cover (Cloud Cover) (okta) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 2.7 Feb 2.5 Mar 2.5 Apr 2.4 May 1.7 Jun .4 Jul .2 Aug .2 Sep .3 Oct 1.4 Nov 2.0 Dec 2.7 Annual 1.6 Ann-NCDC 1.6 ------------------ Element 21: Pan Evaporation (mm) MEANDLY (Statistic 06): Mean Daily Value MEANMLY (Statistic 15): Mean Monthly Value -------------------------- byr: 1976 1976 eyr: 1990 1990 Statistic: MEANDLY MEANMLY Month -------------------------- Jan 3.6 111.6 Feb 4.8 134.4 Mar 6.8 210.8 Apr 10.4 312.0 May 12.5 387.5 Jun 13.9 417.0 Jul 15.1 468.1 Aug 13.3 412.3 Sep 11.0 330.0 Oct 8.2 254.2 Nov 5.0 150.0 Dec 3.5 108.5 Annual 9.0 3296.4 Ann-NCDC 9.0 3296.4 -------------------------- Element 29: Height of 850 hPa Geopotential Level (m) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 1495.0 Feb 1481.0 Mar 1482.0 Apr 1496.0 May 1505.0 Jun 1507.0 Jul 1494.0 Aug 1499.0 Sep 1517.0 Oct 1523.0 Nov 1514.0 Dec 1501.0 Annual 1501.0 Ann-NCDC NA ------------------ Element 51: Number Days with Thunder (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 0.3 Feb 0.2 Mar 0.4 Apr 0.5 May 0.5 Jun 0.0 Jul 0.0 Aug 0.0 Sep 0.1 Oct 1.1 Nov 0.7 Dec 0.2 Annual 4.0 Ann-NCDC 4.0 ------------------ Element 53: Number Days with Hail (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 0.1 Feb 0.1 Mar 0.1 Apr 0.0 May 0.1 Jun 0.0 Jul 0.0 Aug 0.0 Sep 0.0 Oct 0.1 Nov 0.0 Dec 0.0 Annual 0.5 Ann-NCDC 0.5 ------------------ Element 54: Number Days with Rainfall GE Threshold (count) Qualifier: 1.0 mm MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 1.9 Feb 1.4 Mar 1.7 Apr 0.8 May 0.3 Jun 0.0 Jul 0.0 Aug 0.0 Sep 0.1 Oct 0.6 Nov 0.7 Dec 1.8 Annual 9.3 Ann-NCDC 9.3 ------------------ Element 56: Number Days with Snowfall (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 0.6 Feb 0.4 Mar 0.3 Apr 0.0 May 0.0 Jun 0.0 Jul 0.0 Aug 0.0 Sep 0.0 Oct 0.0 Nov 0.0 Dec 0.2 Annual 1.5 Ann-NCDC 1.5 ------------------ Element 62: Number Days with Dust (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 0.0 Feb 0.1 Mar 0.3 Apr 0.2 May 0.1 Jun 0.1 Jul 0.1 Aug 0.1 Sep 0.1 Oct 0.2 Nov 0.0 Dec 0.3 Annual 1.6 Ann-NCDC 1.6 ------------------ Element 74: Number Days with Dew (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 5.4 Feb 2.5 Mar 1.7 Apr 0.9 May 0.4 Jun 0.3 Jul 0.1 Aug 0.3 Sep 1.0 Oct 1.3 Nov 3.2 Dec 5.4 Annual 22.4 Ann-NCDC 22.5 ------------------ Element 77: Number Days with Grass Frost (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1971 eyr: 1990 Month ------------------ Jan 4.5 Feb 2.7 Mar 1.0 Apr 0.0 May 0.0 Jun 0.0 Jul 0.0 Aug 0.0 Sep 0.0 Oct 0.0 Nov 0.6 Dec 2.6 Annual 11.3 Ann-NCDC 11.4 ------------------ Element 82: Number Days with Gale Force Winds (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 1.2 Feb 1.6 Mar 1.6 Apr 1.4 May 0.3 Jun 0.1 Jul 0.0 Aug 0.0 Sep 0.0 Oct 0.2 Nov 0.2 Dec 0.6 Annual 7.2 Ann-NCDC 7.2 ------------------ Element BJ: Number Days with Fog (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 0.1 Feb 0.0 Mar 0.0 Apr 0.0 May 0.0 Jun 0.0 Jul 0.0 Aug 0.0 Sep 0.0 Oct 0.0 Nov 0.1 Dec 0.2 Annual 0.4 Ann-NCDC 0.4 ------------------