Station Name: ABECHE WMO Station Number: 64756 National I.D. Number: Country: CHAD WMO Region: REGION I - AFRICA Latitude: 13d 51m N Longitude: 020d 51m E Elevation: 549 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 02: Maximum Dry Bulb Temperature (deg C) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 33.6 Feb 35.6 Mar 38.2 Apr 40.4 May 40.0 Jun 38.5 Jul 34.5 Aug 32.1 Sep 35.1 Oct 37.4 Nov 35.7 Dec 34.0 Annual 36.3 Ann-NCDC 36.3 ------------------ Element 03: Minimum Dry Bulb Temperature (deg C) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1992 Month ------------------ Jan 16.1 Feb 18.2 Mar 22.0 Apr 25.1 May 25.6 Jun 24.9 Jul 23.1 Aug 21.8 Sep 22.0 Oct 22.0 Nov 19.7 Dec 16.9 Annual 21.4 Ann-NCDC 21.4 ------------------ Element 06: Precipitation (mm) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 0.0 Feb 0.0 Mar 0.1 Apr 3.2 May 12.1 Jun 34.6 Jul 98.1 Aug 166.2 Sep 53.4 Oct 5.1 Nov 0.1 Dec 0.0 Annual 372.8 Ann-NCDC 372.9 ------------------ Element 11: Relative Humidity (%) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 20.0 Feb 17.0 Mar 16.0 Apr 18.0 May 27.0 Jun 41.0 Jul 60.0 Aug 71.0 Sep 61.0 Oct 35.0 Nov 23.0 Dec 23.0 Annual 34.0 Ann-NCDC 34.3 ------------------ Element 14: Vapor Pressure (hPa) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 6.0 Feb 5.7 Mar 6.6 Apr 8.7 May 12.7 Jun 17.5 Jul 22.2 Aug 24.4 Sep 21.6 Oct 13.5 Nov 8.1 Dec 6.9 Annual 12.8 Ann-NCDC 12.8 ------------------ 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 10.2 316.2 Feb 10.4 291.2 Mar 9.7 300.7 Apr 10.0 300.0 May 10.1 313.1 Jun 10.0 300.0 Jul 8.2 254.2 Aug 7.3 226.3 Sep 8.7 261.0 Oct 9.9 306.9 Nov 10.4 312.0 Dec 10.3 319.3 Annual 9.6 3500.9 Ann-NCDC NA 3500.9 -------------------------- Element 16: Wind Speed (m/sec) Statistic 01: Mean Value Qualifier: ------------------ byr: 1961 eyr: 1992 Month ------------------ Jan 2.7 Feb 2.8 Mar 3.0 Apr 2.9 May 2.6 Jun 2.4 Jul 2.3 Aug 1.9 Sep 1.8 Oct 2.3 Nov 2.7 Dec 2.7 Annual 2.5 Ann-NCDC 2.5 ------------------