Station Name: Obidos WMO Station Number: 82178 National I.D. Number: Country: BRAZIL WMO Region: REGION III - SOUTH AMERICA Latitude: 01d 55m S Longitude: 055d 31m W Elevation: 37 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 26.2 Feb 25.7 Mar 25.8 Apr 26.0 May 26.1 Jun 26.2 Jul 26.2 Aug 27.0 Sep 27.4 Oct 27.8 Nov 27.7 Dec 26.9 Annual 26.6 Ann-NCDC 26.6 ------------------ Element 02: Maximum Dry Bulb Temperature (deg C) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 31.0 Feb 30.3 Mar 30.4 Apr 30.4 May 30.5 Jun 30.7 Jul 31.2 Aug 32.2 Sep 33.0 Oct 33.3 Nov 33.1 Dec 32.1 Annual 31.5 Ann-NCDC 31.5 ------------------ Element 03: Minimum Dry Bulb Temperature (deg C) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 22.2 Feb 22.0 Mar 22.2 Apr 22.2 May 22.0 Jun 21.9 Jul 21.6 Aug 22.0 Sep 22.2 Oct 22.5 Nov 22.5 Dec 22.1 Annual 22.1 Ann-NCDC 22.1 ------------------ Element 06: Precipitation (mm) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 238.2 Feb 272.3 Mar 305.6 Apr 289.7 May 288.3 Jun 107.0 Jul 70.2 Aug 36.0 Sep 49.5 Oct 71.4 Nov 78.4 Dec 179.4 Annual 1906.0 Ann-NCDC 1986.0 ------------------ Element 11: Relative Humidity (%) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 86.0 Feb 88.0 Mar 89.0 Apr 88.0 May 88.0 Jun 86.0 Jul 84.0 Aug 81.0 Sep 78.0 Oct 78.0 Nov 78.0 Dec 82.0 Annual 84.0 Ann-NCDC 83.8 ------------------ Element 13: Station Pressure (hPa) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 1005.4 Feb 1005.4 Mar 1005.4 Apr 1005.6 May 1006.0 Jun 1006.2 Jul 1007.6 Aug 1006.6 Sep 1005.6 Oct 1003.7 Nov 1004.0 Dec 1004.3 Annual 1005.4 Ann-NCDC 1005.5 ------------------ Element 15: Sunshine MN_#HRS (Statistic 44): Mean Number of Hours ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 146.1 Feb 108.2 Mar 111.8 Apr 129.2 May 165.0 Jun 192.8 Jul 210.2 Aug 244.8 Sep 234.2 Oct 206.9 Nov 187.2 Dec 149.6 Annual 2086.0 Ann-NCDC 2086.0 ------------------ Element 20: Sky Cover (Cloud Cover) (okta) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 5.0 Feb 5.4 Mar 5.3 Apr 5.0 May 4.6 Jun 4.3 Jul 3.8 Aug 3.8 Sep 3.8 Oct 4.1 Nov 4.2 Dec 4.6 Annual 4.5 Ann-NCDC 4.5 ------------------ Element 21: Pan Evaporation (mm) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 82.5 Feb 56.9 Mar 63.5 Apr 56.5 May 63.8 Jun 84.2 Jul 98.2 Aug 115.9 Sep 123.7 Oct 133.0 Nov 128.8 Dec 106.0 Annual 1113.0 Ann-NCDC 1113.0 ------------------