Station Name: BONTHE WMO Station Number: 61866 National I.D. Number: Country: SIERRA LEONE WMO Region: REGION I - AFRICA Latitude: 07d 32m N Longitude: 012d 30m W Elevation: 8 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: 1960 eyr: 1990 Month ------------------ Jan 26.7 Feb 27.2 Mar 27.8 Apr 28.1 May 27.5 Jun 26.6 Jul 25.4 Aug 25.3 Sep 25.8 Oct 26.6 Nov 27.0 Dec 26.9 Annual NA Ann-NCDC 26.7 ------------------ Element 02: Maximum Dry Bulb Temperature (deg C) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 31.3 Feb 32.4 Mar 33.1 Apr 32.5 May 31.7 Jun 30.1 Jul 28.5 Aug 28.3 Sep 29.4 Oct 30.5 Nov 31.2 Dec 31.1 Annual NA Ann-NCDC 30.8 ------------------ Element 03: Minimum Dry Bulb Temperature (deg C) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 22.7 Feb 22.1 Mar 23.4 Apr 23.7 May 23.6 Jun 23.3 Jul 22.8 Aug 22.9 Sep 23.0 Oct 23.1 Nov 23.4 Dec 23.1 Annual NA Ann-NCDC 23.1 ------------------ Element 05: Dew Point Temperature (deg C) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 22.8 Feb 23.0 Mar 23.5 Apr 23.5 May 24.3 Jun 24.0 Jul 23.5 Aug 23.4 Sep 23.7 Oct 23.9 Nov 24.1 Dec 23.6 Annual NA Ann-NCDC 23.6 ------------------ Element 06: Precipitation (mm) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 6.2 Feb 10.1 Mar 25.1 Apr 089.1 May 203.6 Jun 574.0 Jul 844.2 Aug 824.5 Sep 557.0 Oct 333.6 Nov 147.9 Dec 49.2 Annual NA Ann-NCDC 3664.5 ------------------ Element 11: Relative Humidity (%) MN09LST (Statistic 79): Mean of Observations at 0900 LST MN15LST (Statistic 85): Mean of Observations at 1500 LST -------------------------- byr: 1961 1961 eyr: 1990 1990 Statistic: MN09LST MN15LST Month -------------------------- Jan 91.0 61.0 Feb 91.0 59.0 Mar 88.0 59.0 Apr 85.0 62.0 May 97.0 70.0 Jun 90.0 78.0 Jul 92.0 82.0 Aug 93.0 83.0 Sep 92.0 80.0 Oct 89.0 75.0 Nov 89.0 72.0 Dec 90.0 67.0 Annual NA NA Ann-NCDC 90.6 70.7 -------------------------- Element 12: Sea Level Pressure (hPa) MEAN (Statistic 01): Mean Value ------------------ byr: 1960 eyr: 1990 Month ------------------ Jan 1011.0 Feb 1010.6 Mar 1010.5 Apr 1010.6 May 1011.5 Jun 1013.0 Jul 1014.0 Aug 1013.7 Sep 1013.1 Oct 1012.4 Nov 1011.6 Dec 1011.3 Annual NA Ann-NCDC 1011.9 ------------------ Element 14: Vapor Pressure (hPa) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 27.9 Feb 28.3 Mar 27.9 Apr 29.7 May 30.3 Jun 29.9 Jul 29.0 Aug 28.9 Sep 29.3 Oct 29.8 Nov 30.1 Dec 28.2 Annual NA Ann-NCDC 29.1 ------------------ 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 6.0 186.0 Feb 6.3 176.4 Mar 5.9 182.9 Apr 5.4 162.0 May 4.8 148.8 Jun 3.9 117.0 Jul 2.2 68.2 Aug 1.6 49.6 Sep 2.9 87.0 Oct 4.8 148.8 Nov 5.3 159.0 Dec 5.6 173.6 Annual NA 1659.3 Ann-NCDC NA 1659.3 -------------------------- Element 16: Wind Speed (m/sec) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 1.5 Feb 1.5 Mar 2.1 Apr 2.1 May 2.1 Jun 2.1 Jul 1.5 Aug 1.5 Sep 2.1 Oct 2.1 Nov 1.5 Dec 2.1 Annual NA Ann-NCDC 1.9 ------------------ Element 20: Sky Cover (Cloud Cover) (okta) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 3.0 Feb 4.0 Mar 4.0 Apr 5.0 May 6.0 Jun 6.0 Jul 7.0 Aug 7.0 Sep 7.0 Oct 6.0 Nov 6.0 Dec 4.0 Annual NA Ann-NCDC 5.4 ------------------ Element BT: Number Days with Occurrence of Rain (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 1.0 Feb 1.0 Mar 3.0 Apr 7.0 May 17.0 Jun 24.0 Jul 26.0 Aug 26.0 Sep 24.0 Oct 22.0 Nov 13.0 Dec 4.0 Annual NA Ann-NCDC 168.0 ------------------