Station Name: Valley WMO Station Number: 03302 National I.D. Number: Country: UNITED KINGDOM OF GREAT BRITAIN & NORTHERN IRELAND WMO Region: REGION VI - EUROPE Latitude: 53d 15m N Longitude: 004d 32m W Elevation: 10 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 5.4 Feb 5.1 Mar 6.4 Apr 8.2 May 11.0 Jun 13.6 Jul 15.3 Aug 15.4 Sep 13.8 Oct 11.5 Nov 8.1 Dec 6.4 Annual 10.0 Ann-NCDC 10.0 ------------------ Element 02: Maximum Dry Bulb Temperature (deg C) MEAN (Statistic 01): Mean Value MAX_VAL (Statistic 04): Maximum Value -------------------------- byr: 1961 1961 eyr: 1990 1990 Statistic: MEAN MAX_VAL Month -------------------------- Jan 7.7 14.8 Feb 7.7 15.6 Mar 9.1 18.5 Apr 11.4 23.0 May 14.4 28.2 Jun 16.9 29.1 Jul 18.4 30.7 Aug 18.5 31.5 Sep 16.7 25.9 Oct 14.2 24.3 Nov 10.6 17.0 Dec 8.7 15.6 Annual 12.8 31.5 Ann-NCDC 12.9 NA -------------------------- Element 03: Minimum Dry Bulb Temperature (deg C) MEAN (Statistic 01): Mean Value MIN_VAL (Statistic 05): Minimum Value -------------------------- byr: 1961 1961 eyr: 1990 1990 Statistic: MEAN MIN_VAL Month -------------------------- Jan 3.2 -8.2 Feb 2.5 -7.7 Mar 3.8 -5.3 Apr 5.1 -2.8 May 7.7 -0.3 Jun 10.3 1.2 Jul 12.2 5.8 Aug 12.3 5.0 Sep 11.0 1.8 Oct 8.9 -0.6 Nov 5.6 -3.9 Dec 4.1 -7.0 Annual 7.2 -8.2 Ann-NCDC 7.2 NA -------------------------- Element 06: Precipitation (mm) MEANMLY (Statistic 15): Mean Monthly Value MIN_MLY (Statistic 20): Minimum Monthly Value QUIN20% (Statistic 22): First Quintile QUIN40% (Statistic 23): Second Quintile QUIN60% (Statistic 24): Third Quintile QUIN80% (Statistic 25): Fourth Quintile MAX_MLY (Statistic 26): Maximum Monthly Value ------------------------------------------------------------------ byr: 1961 1961 1961 1961 1961 1961 1961 eyr: 1990 1990 1990 1990 1990 1990 1990 Statistic: MEANMLY MIN_MLY QUIN20% QUIN40% QUIN60% QUIN80% MAX_MLY Month ------------------------------------------------------------------ Jan 83.0 19.0 52.0 67.0 92.5 118.0 149.0 Feb 56.0 7.0 29.5 43.5 54.5 77.5 161.0 Mar 65.0 13.0 37.5 51.5 70.5 93.0 152.0 Apr 53.0 7.0 37.0 45.5 62.5 74.5 103.0 May 49.0 10.0 26.5 38.0 55.0 68.0 123.0 Jun 52.0 11.0 27.0 42.5 57.5 71.0 111.0 Jul 53.0 9.0 30.0 44.0 62.5 78.5 110.0 Aug 74.0 11.0 51.0 69.5 81.5 93.0 141.0 Sep 74.0 3.0 43.5 52.0 76.0 112.0 160.0 Oct 91.0 19.0 53.5 79.5 96.5 116.5 193.0 Nov 99.0 27.0 73.5 91.5 103.0 127.0 186.0 Dec 94.0 17.0 55.5 78.0 104.5 129.0 179.0 Annual 843.0 653.0 768.0 823.5 870.0 912.0 1055.0 Ann-NCDC 843.0 NA NA NA NA NA NA ------------------------------------------------------------------ Element 10: Snow Depth (cm) MN09LST (Statistic 79): Mean of Observations at 0900 LST ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 1.6 Feb 1.7 Mar 0.8 Apr 0.0 May 0.0 Jun 0.0 Jul 0.0 Aug 0.0 Sep 0.0 Oct 0.0 Nov 0.5 Dec 0.8 Annual 5.4 Ann-NCDC NA ------------------ 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 87.0 81.0 Feb 86.0 76.0 Mar 87.0 76.0 Apr 87.0 70.0 May 88.0 68.0 Jun 89.0 69.0 Jul 89.0 71.0 Aug 90.0 73.0 Sep 90.0 75.0 Oct 89.0 77.0 Nov 88.0 78.0 Dec 87.0 81.0 Annual 89.0 77.0 Ann-NCDC 88.1 74.6 -------------------------- Element 15: Sunshine MN_#HRS (Statistic 44): Mean Number of Hours ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 56.9 Feb 83.4 Mar 122.5 Apr 177.4 May 223.2 Jun 208.9 Jul 197.7 Aug 185.8 Sep 140.2 Oct 103.0 Nov 66.3 Dec 49.4 Annual 1614.7 Ann-NCDC 1614.7 ------------------ Element 16: Wind Speed (m/sec) MEAN (Statistic 01): Mean Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 8.0 Feb 7.0 Mar 7.3 Apr 6.0 May 6.0 Jun 5.8 Jul 5.6 Aug 5.8 Sep 6.7 Oct 7.3 Nov 7.6 Dec 7.8 Annual 6.7 Ann-NCDC 6.7 ------------------ Element 51: Number Days with Thunder (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 0.0 Feb 0.0 Mar 0.0 Apr 0.0 May 1.0 Jun 1.0 Jul 1.0 Aug 1.0 Sep 1.0 Oct 1.0 Nov 1.0 Dec 0.0 Annual 6.0 Ann-NCDC 7.0 ------------------ Element 53: Number Days with Hail (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 3.0 Feb 2.0 Mar 2.0 Apr 1.0 May 0.0 Jun 0.0 Jul 0.0 Aug 0.0 Sep 0.0 Oct 1.0 Nov 3.0 Dec 2.0 Annual 15.0 Ann-NCDC 14.0 ------------------ Element 56: Number Days with Snowfall (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 2.0 Feb 3.0 Mar 1.0 Apr 0.0 May 0.0 Jun 0.0 Jul 0.0 Aug 0.0 Sep 0.0 Oct 0.0 Nov 0.0 Dec 1.0 Annual 9.0 Ann-NCDC 7.0 ------------------ Element 57: Number Days with Snow on Ground (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 1.0 Feb 1.0 Mar 0.0 Apr 0.0 May 0.0 Jun 0.0 Jul 0.0 Aug 0.0 Sep 0.0 Oct 0.0 Nov 0.0 Dec 0.0 Annual 3.0 Ann-NCDC 2.0 ------------------ Element 76: Number Days with Air Frost (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 6.0 Feb 6.0 Mar 3.0 Apr 1.0 May 0.0 Jun 0.0 Jul 0.0 Aug 0.0 Sep 0.0 Oct 0.0 Nov 1.0 Dec 4.0 Annual 22.0 Ann-NCDC 21.0 ------------------ Element 77: Number Days with Grass Frost (count) MEANMLY (Statistic 15): Mean Monthly Value ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 10.0 Feb 11.0 Mar 9.0 Apr 7.0 May 2.0 Jun 0.0 Jul 0.0 Aug 0.0 Sep 0.0 Oct 1.0 Nov 7.0 Dec 10.0 Annual 58.0 Ann-NCDC 57.0 ------------------ Element 95: Number Days with Precipitation GE Threshold (count) Statistic 15: Mean Monthly Value Qualifier: 0.2 mm Qualifier: 1.0 mm Qualifier: 10.0 mm ---------------------------------- byr: 1961 1961 1961 eyr: 1990 1990 1990 Qualifier: 0.2 1.0 10.0 Month ---------------------------------- Jan 19.0 14.0 2.0 Feb 15.0 11.0 1.0 Mar 17.0 12.0 2.0 Apr 14.0 10.0 1.0 May 14.0 10.0 1.0 Jun 13.0 9.0 1.0 Jul 12.0 8.0 2.0 Aug 14.0 10.0 2.0 Sep 14.0 11.0 2.0 Oct 18.0 14.0 3.0 Nov 20.0 15.0 3.0 Dec 19.0 14.0 3.0 Annual 189.0 138.0 23.0 Ann-NCDC 189.0 138.0 23.0 ---------------------------------- Element AK: Number Days with Sleet/Snow (count) Statistic 15: Mean Monthly Value Qualifier: ------------------ byr: 1961 eyr: 1990 Month ------------------ Jan 4.0 Feb 4.0 Mar 3.0 Apr 1.0 May 0.0 Jun 0.0 Jul 0.0 Aug 0.0 Sep 0.0 Oct 0.0 Nov 1.0 Dec 2.0 Annual 15.0 Ann-NCDC 15.0 ------------------