Station Name: HALFA EL GEDIDA WMO Station Number: 62733 National I.D. Number: Country: SUDAN WMO Region: REGION I - AFRICA Latitude: 15d 19m N Longitude: 035d 36m E Elevation: 451 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 23.9 33.2 14.6 Feb 25.3 35.0 15.6 Mar 28.5 38.8 18.1 Apr 31.3 41.4 21.3 May 33.5 42.3 24.6 Jun 32.9 40.7 25.0 Jul 30.3 37.2 23.5 Aug 29.3 35.9 22.8 Sep 30.3 37.6 22.9 Oct 30.8 39.2 22.4 Nov 28.1 37.0 19.2 Dec 25.1 34.4 15.9 Annual 29.1 37.7 20.5 Ann-NCDC 29.1 37.7 20.5 ---------------------------------- Element 02: Maximum Dry Bulb Temperature (deg C) MAX_VAL (Statistic 04): Maximum Value DATEMAX (Statistic 12): Date (Year/Day) of Occurrence of Maximum Daily Value -------------------------- byr: 1961 1961 eyr: 1990 1990 Statistic: MAX_VAL DATEMAX Month -------------------------- Jan 40.3 198224 Feb 43.7 198228 Mar 45.1 198519 Apr 47.1 196816 May 46.4 196801 Jun 45.7 197805 Jul 43.6 198311 Aug 43.0 198424 Sep 44.3 197003 Oct 43.2 198405 Nov 41.6 198002 Dec 40.6 198026 Annual 47.119680416 Ann-NCDC NA NA -------------------------- Element 03: Minimum Dry Bulb Temperature (deg C) MIN_VAL (Statistic 05): Minimum Value DATEMIN (Statistic 14): Date (Year/Day) of Occurrence of Minimum Daily Value -------------------------- byr: 1961 1961 eyr: 1990 1990 Statistic: MIN_VAL DATEMIN Month -------------------------- Jan 7.0 197012 Feb 7.2 198209 Mar 9.7 197403 Apr 13.1 196809 May 16.3 198211 Jun 17.4 198425 Jul 19.0 198025 Aug 18.1 196925 Sep 18.0 196418 Oct 14.5 197729 Nov 11.2 198426 Dec 6.5 197125 Annual 6.519701225 Ann-NCDC NA NA -------------------------- Element 06: Precipitation (mm) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan Trace Feb Trace Mar 0.3 Apr 1.6 May 10.1 Jun 23.7 Jul 76.0 Aug 81.8 Sep 36.5 Oct 7.7 Nov 0.6 Dec 0.0 Annual 238.3 Ann-NCDC NA ------------------ Element 08: Maximum 24-Hour Precipitation (mm) MAX_VAL (Statistic 04): Maximum Value DATEMAX (Statistic 12): Date (Year/Day) of Occurrence of Maximum Daily Value -------------------------- byr: 1961 1961 eyr: 1990 1990 Statistic: MAX_VAL DATEMAX Month -------------------------- Jan 2.0 197529 Feb 0.2 197520 Mar 9.8 198027 Apr 10.2 197102 May 33.0 198526 Jun 58.8 197913 Jul 100.5 197819 Aug 86.0 198231 Sep 57.5 198309 Oct 34.5 197017 Nov 15.0 198516 Dec 0.0 199032 Annual 100.519780719 Ann-NCDC NA NA -------------------------- Element 11: Relative Humidity (%) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 39.0 Feb 31.0 Mar 25.0 Apr 20.0 May 24.0 Jun 31.0 Jul 45.0 Aug 49.0 Sep 45.0 Oct 34.0 Nov 34.0 Dec 38.0 Annual 35.0 Ann-NCDC 34.6 ------------------ Element 13: Station Pressure (hPa) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 959.6 Feb 958.2 Mar 956.7 Apr 955.3 May 955.5 Jun 956.7 Jul 957.9 Aug 958.1 Sep 957.1 Oct 957.3 Nov 958.3 Dec 959.4 Annual 957.5 Ann-NCDC 957.5 ------------------ Element 16: Wind Speed (m/sec) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 3.1 Feb 3.1 Mar 3.6 Apr 2.7 May 3.1 Jun 4.0 Jul 4.0 Aug 4.0 Sep 3.1 Oct 2.2 Nov 2.7 Dec 2.7 Annual NA Ann-NCDC 3.2 ------------------ Element 17: Wind Direction (degrees) PREVAIL (Statistic 41): Prevailing ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 360.0 Feb 360.0 Mar 360.0 Apr 45.0 May 225.0 Jun 225.0 Jul 225.0 Aug 225.0 Sep 180.0 Oct 360.0 Nov 360.0 Dec 360.0 Annual NA Ann-NCDC NA ------------------ Element 38: Piche Evaporation (mm) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 10.7 Feb 13.1 Mar 16.5 Apr 18.6 May 18.4 Jun 12.0 Jul 13.6 Aug 10.1 Sep 10.1 Oct 12.2 Nov 12.8 Dec 11.3 Annual 13.8 Ann-NCDC NA ------------------ Element 40: Bright Sunshine %OFPOSS (Statistic 37): Percent of Possible ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 84.0 Feb 81.0 Mar 78.0 Apr 80.0 May 72.0 Jun 66.0 Jul 58.0 Aug 64.0 Sep 74.0 Oct 82.0 Nov 83.0 Dec 80.0 Annual 75.0 Ann-NCDC NA ------------------ Element 40: Bright 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 9.5 294.5 Feb 9.5 266.0 Mar 9.5 294.5 Apr 9.9 297.0 May 9.3 288.3 Jun 8.6 258.0 Jul 7.5 232.5 Aug 8.6 266.6 Sep 9.1 273.0 Oct 9.6 297.6 Nov 10.1 303.0 Dec 9.3 288.3 Annual 9.1 NA Ann-NCDC 9.2 3359.3 -------------------------- Element 95: Number Days with Precipitation GE Threshold (count) Statistic 15: Mean Monthly Value Qualifier: 0.1 mm Qualifier: 1.0 mm Qualifier: 10.0 mm ---------------------------------- byr: 1961 1961 1961 eyr: 1990 1990 1990 Qualifier: 0.1 1.0 10.0 Month ---------------------------------- Jan 0.0 0.0 0.0 Feb 0.0 0.0 0.0 Mar 0.1 0.1 0.0 Apr 0.3 0.3 0.0 May 2.0 1.7 0.2 Jun 3.0 2.6 1.1 Jul 5.9 4.9 2.1 Aug 7.3 6.2 3.1 Sep 3.4 2.9 1.0 Oct 1.4 1.0 0.3 Nov 0.1 0.1 0.0 Dec 0.0 0.0 0.0 Annual 23.5 19.8 7.8 Ann-NCDC 23.5 19.8 7.8 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