Station Name: NIORO WMO Station Number: 61230 National I.D. Number: Country: MALI WMO Region: REGION I - AFRICA Latitude: 15d 14m N Longitude: 009d 21m W Elevation: 237 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 ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 22.7 Feb 25.2 Mar 28.2 Apr 31.4 May 34.0 Jun 33.1 Jul 29.5 Aug 27.9 Sep 28.8 Oct 29.7 Nov 26.7 Dec 22.9 Annual 28.3 Ann-NCDC 28.3 ------------------ Element 02: Maximum Dry Bulb Temperature (deg C) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 31.4 Feb 34.7 Mar 37.5 Apr 40.0 May 41.3 Jun 39.4 Jul 34.8 Aug 32.9 Sep 34.5 Oct 37.3 Nov 35.7 Dec 31.6 Annual 35.9 Ann-NCDC 35.9 ------------------ Element 03: Minimum Dry Bulb Temperature (deg C) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 13.5 Feb 16.1 Mar 19.1 Apr 23.6 May 27.2 Jun 27.0 Jul 24.6 Aug 23.6 Sep 23.6 Oct 22.6 Nov 18.2 Dec 14.2 Annual 21.2 Ann-NCDC 21.1 ------------------ Element 06: Precipitation (mm) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 0.5 Feb 0.0 Mar 0.0 Apr 2.5 May 7.1 Jun 46.4 Jul 132.8 Aug 148.9 Sep 92.0 Oct 26.0 Nov 1.0 Dec 0.8 Annual NA Ann-NCDC 458.0 ------------------ Element 11: Relative Humidity (%) MNDLYMX (Statistic 09): Mean Daily Maximum Value MNDLYMI (Statistic 10): Mean Daily Minimum Value -------------------------- byr: 1961 1961 eyr: 1990 1990 Statistic: MNDLYMX MNDLYMI Month -------------------------- Jan 40.0 14.0 Feb 34.0 12.0 Mar 31.0 11.0 Apr 32.0 12.0 May 42.0 17.0 Jun 65.0 26.0 Jul 82.0 44.0 Aug 90.0 55.0 Sep 89.0 36.0 Oct 69.0 24.0 Nov 49.0 17.0 Dec 40.0 16.0 Annual NA NA Ann-NCDC 55.2 23.7 -------------------------- Element 12: Sea Level Pressure (hPa) MEAN (Statistic 01): Mean Value ------------------ byr: 1966 eyr: 1990 Month ------------------ Jan 1013.5 Feb 1011.2 Mar 1009.5 Apr 1007.3 May 1006.9 Jun 1008.7 Jul 1010.1 Aug 1009.9 Sep 1010.2 Oct 1009.8 Nov 1010.7 Dec 1013.1 Annual 1010.1 Ann-NCDC 1010.1 ------------------ Element 15: Sunshine MN_#HRS (Statistic 44): Mean Number of Hours ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 259.4 Feb 246.0 Mar 275.3 Apr 267.5 May 263.7 Jun 251.4 Jul 247.8 Aug 245.1 Sep 247.8 Oct 260.4 Nov 255.0 Dec 244.6 Annual NA Ann-NCDC 3064.0 ------------------ Element 16: Wind Speed (m/sec) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 2.9 Feb 3.2 Mar 3.4 Apr 3.8 May 3.8 Jun 4.7 Jul 4.7 Aug 3.4 Sep 2.9 Oct 2.4 Nov 2.2 Dec 2.8 Annual NA Ann-NCDC 3.4 ------------------ Element BT: Number Days with Occurrence of Rain (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 0.1 Feb 0.0 Mar 0.0 Apr 0.7 May 2.0 Jun 5.1 Jul 11.4 Aug 10.2 Sep 9.1 Oct 3.1 Nov 0.3 Dec 0.1 Annual NA Ann-NCDC 42.1 ------------------