Station Name: CLARKSVILLE SEWAGE PLANT, TN WMO Station Number: National I.D. Number: 00401790 Country: UNITED STATES OF AMERICA WMO Region: REGION IV - NORTH & CENTRAL AMERICA Latitude: 36d 33m N Longitude: 087d 22m W Elevation: 116 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 #_YEARS (Statistic 98): Number of Years used to Calculate Normal -------------------------- byr: 1961 1961 eyr: 1990 1990 Statistic: MEAN #_YEARS Month -------------------------- Jan 1.1 30 Feb 3.6 30 Mar 9.1 30 Apr 14.3 30 May 18.9 30 Jun 23.5 30 Jul 25.6 30 Aug 24.8 30 Sep 21.2 30 Oct 14.6 30 Nov 9.0 30 Dec 3.6 30 Annual 14.1 30 Ann-NCDC 14.1 NA -------------------------- Element 02: Maximum Dry Bulb Temperature (deg C) MEAN (Statistic 01): Mean Value #_YEARS (Statistic 98): Number of Years used to Calculate Normal -------------------------- byr: 1961 1961 eyr: 1990 1990 Statistic: MEAN #_YEARS Month -------------------------- Jan 7.1 30 Feb 9.8 30 Mar 15.9 30 Apr 21.7 30 May 26.1 30 Jun 30.2 30 Jul 32.2 30 Aug 31.5 30 Sep 28.1 30 Oct 22.3 30 Nov 15.8 30 Dec 9.6 30 Annual 20.9 30 Ann-NCDC 20.9 NA -------------------------- Element 03: Minimum Dry Bulb Temperature (deg C) MEAN (Statistic 01): Mean Value #_YEARS (Statistic 98): Number of Years used to Calculate Normal -------------------------- byr: 1961 1961 eyr: 1990 1990 Statistic: MEAN #_YEARS Month -------------------------- Jan -4.8 30 Feb -2.7 30 Mar 2.2 30 Apr 6.9 30 May 11.8 30 Jun 16.7 30 Jul 19.0 30 Aug 18.0 30 Sep 14.2 30 Oct 6.8 30 Nov 2.2 30 Dec -2.3 30 Annual 7.3 30 Ann-NCDC 7.3 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 #_YEARS (Statistic 98): Number of Years used to Calculate Normal -------------------------------------------------------------------------- byr: 1961 1961 1961 1961 1961 1961 1961 1961 eyr: 1990 1990 1990 1990 1990 1990 1990 1990 Statistic: MEANMLY MIN_MLY QUIN20% QUIN40% QUIN60% QUIN80% MAX_MLY #_YEARS Month -------------------------------------------------------------------------- Jan 94.0 22.6 45.2 69.6 96.8 136.1 212.3 30 Feb 108.7 33.8 60.2 85.9 113.0 151.4 274.3 30 Mar 144.0 45.5 80.8 114.6 150.1 200.2 438.9 30 Apr 113.3 20.6 62.5 89.4 118.1 158.2 248.2 30 May 109.2 21.8 59.4 85.6 113.5 152.9 319.8 30 Jun 99.1 11.7 50.8 75.4 102.4 141.0 201.2 30 Jul 105.2 31.5 60.5 84.6 109.7 145.0 248.4 30 Aug 97.5 17.0 47.8 72.6 100.6 140.7 239.3 30 Sep 88.4 12.2 41.4 64.5 90.7 129.0 318.8 30 Oct 80.5 1.3 29.2 52.3 80.3 123.4 187.7 30 Nov 116.1 34.8 68.6 94.5 121.4 158.8 245.1 30 Dec 133.1 26.9 61.2 96.5 136.4 195.1 318.5 30 Annual 1289.1 NA NA NA NA NA NA 30 Ann-NCDC 1289.1 NA NA NA NA NA NA NA --------------------------------------------------------------------------