CLARKSVILLE SEWAGE PLT, TENNESSEE

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(401790)

File last updated on May 16,
*** Note *** Provisional Data *** After Year/Month 201205
a = 1 day missing, b = 2 days missing, c = 3 days, ..etc..,
z = 26 or more days missing, A = Accumulations present
Long-term means based on columns; thus, the monthly row may not
sum (or average) to the long-term annual value.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
Individual Months not used for annual or monthly statistics if more than 5 days are missing.
Individual Years not used for annual statistics if any month in that year has more than 5 days missing.
YEAR(S) JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
1890 ----- z ----- z ----- z ----- z 54.68 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 54.68
1891 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 64.16 47.50 b 55.53 a ----- z ----- z 55.73
1892 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1893 21.67 a 28.86 35.84 51.37 55.42 64.47 70.32 65.00 p 60.60 47.06 37.90 31.10 45.87
1894 31.94 29.71 42.45 48.10 56.71 64.90 70.19 78.81 64.27 47.71 34.57 31.19 50.05
1895 25.19 18.82 37.32 48.80 56.19 66.57 68.56 f ----- z 64.61 b 40.61 39.07 b 32.90 43.01
1896 31.06 32.03 35.65 54.57 61.42 65.03 ----- z ----- z 59.17 a 46.32 42.30 32.39 45.99
1897 26.16 35.00 42.97 48.23 52.32 64.53 ----- z ----- z 60.37 51.68 40.17 33.19 45.46
1898 36.06 31.54 43.81 44.10 59.77 67.50 69.42 68.29 64.77 49.13 36.08 e 28.61 49.92
1899 30.00 20.75 36.87 49.40 61.52 67.47 ----- z ----- z 55.36 h 52.61 44.13 28.23 43.44
1900 31.32 26.46 36.00 48.77 57.48 66.70 70.71 71.03 66.33 56.26 39.37 32.74 50.26
1901 31.72 m 27.39 39.61 43.77 54.71 c 67.67 72.13 66.61 59.80 47.29 34.37 c 27.23 49.14
1902 27.94 23.39 40.58 46.57 61.68 66.87 g 69.06 67.16 58.90 50.52 45.70 31.81 47.57
1903 30.74 31.64 45.30 a 46.83 58.48 58.70 69.52 69.52 58.90 a 48.97 35.83 24.66 b 48.26
1904 27.23 30.00 39.58 43.10 55.71 64.33 69.23 68.61 63.20 46.65 36.67 32.10 48.03
1905 22.13 a 20.75 43.23 47.93 61.81 67.13 67.94 68.26 61.97 50.26 39.57 31.52 48.54
1906 33.00 26.64 34.29 50.20 56.13 64.86 a 66.42 67.26 67.07 48.42 36.43 36.14 b 48.90
1907 37.61 29.54 48.40 a 41.73 53.10 62.13 68.81 65.65 61.97 a 45.74 35.17 34.69 b 48.71
1908 28.00 29.12 c 46.77 50.33 58.68 65.57 68.10 67.53 a 60.50 44.45 40.67 34.19 49.49
1909 31.48 35.39 38.42 47.43 55.68 66.97 68.29 68.84 58.67 44.52 45.67 25.39 48.89
1910 27.03 26.18 43.32 46.87 53.61 61.40 68.39 64.10 62.90 48.74 33.27 27.90 46.98
1911 34.90 36.32 38.77 47.50 56.06 66.46 b 66.48 68.10 65.00 51.29 35.07 34.94 50.08
1912 21.61 24.31 34.71 50.87 57.10 61.47 68.29 65.77 60.83 46.84 34.77 30.77 46.45
1913 34.68 28.89 38.19 46.97 56.61 63.90 68.65 66.06 60.00 45.94 42.37 33.39 48.80
1914 34.77 26.93 36.16 48.17 55.16 67.87 67.29 66.77 58.40 49.71 34.53 27.42 47.77
1915 26.03 34.96 30.71 47.63 58.35 62.50 66.61 63.87 61.27 48.48 39.10 31.13 47.55
1916 33.35 27.52 34.45 45.70 57.71 58.53 68.45 66.23 55.60 45.32 35.67 25.94 46.21
1917 31.52 28.29 38.65 45.53 48.13 60.63 65.23 63.06 56.97 39.35 34.80 19.26 44.28
1918 14.94 32.71 41.23 46.37 60.19 65.03 62.71 69.48 52.20 52.77 36.27 36.48 47.53
1919 28.00 30.46 37.13 46.70 55.32 67.33 68.65 65.71 58.67 57.26 38.37 28.03 48.47
1920 28.00 31.48 37.23 45.30 56.26 61.50 65.84 64.81 62.23 47.29 35.37 32.74 47.34
1921 33.45 35.50 48.10 47.03 55.45 67.53 70.65 66.81 66.87 43.45 40.37 34.45 50.80
1922 29.06 34.93 41.81 51.20 58.42 66.07 67.23 64.42 61.30 47.35 39.07 34.39 49.60
1923 33.71 28.79 36.03 45.83 54.97 64.40 67.00 66.84 60.27 45.65 36.87 38.71 48.25
1924 22.90 29.79 34.42 46.87 49.90 65.37 63.87 66.06 55.67 46.29 37.37 28.06 45.55
1925 28.71 34.86 38.84 51.20 50.10 65.53 66.52 63.58 68.03 46.97 37.20 28.26 48.32
1926 29.52 34.82 33.58 42.63 54.52 61.73 67.52 69.00 63.40 48.32 30.17 28.48 46.97
1927 28.23 39.89 41.87 52.70 59.03 63.80 66.29 62.94 61.43 48.74 44.03 29.97 49.91
1928 29.06 32.10 37.97 44.70 54.23 62.60 69.03 69.10 55.37 51.87 38.87 31.03 47.99
1929 28.48 25.68 44.23 51.40 56.45 62.83 70.55 64.39 60.60 47.90 38.47 32.39 48.61
1930 27.52 39.57 34.90 50.07 56.87 61.50 68.45 64.00 62.47 45.90 39.07 29.26 48.30
1931 29.52 32.50 34.77 44.77 52.74 64.04 b 72.97 ----- z 61.85 c 52.06 47.80 41.32 48.58
1932 38.42 39.48 35.94 46.03 56.13 66.80 70.06 67.94 60.47 45.81 35.10 32.13 49.53
1933 36.39 31.50 39.00 47.07 60.61 63.63 69.03 65.39 64.63 47.45 37.27 37.35 49.94
1934 33.84 25.61 35.68 47.47 56.65 67.13 71.13 69.16 59.40 50.23 41.63 30.68 49.05
1935 31.35 33.50 47.58 48.57 56.65 62.40 69.06 68.71 58.03 49.32 39.73 25.81 49.23
1936 22.87 25.45 41.35 43.83 56.97 63.40 70.52 70.03 64.40 48.16 33.57 32.74 47.77
1937 36.39 30.86 33.48 46.03 56.55 65.50 64.71 68.19 56.93 47.06 37.07 31.39 47.85
1938 30.00 40.43 46.06 49.73 56.84 62.73 68.23 68.84 59.47 45.16 36.47 29.06 49.42
1939 32.84 32.43 40.32 45.10 53.81 66.60 67.65 65.94 61.93 50.35 33.73 32.48 48.60
1940 13.61 30.97 37.35 46.57 50.61 63.07 66.26 66.23 54.10 46.42 36.23 35.97 45.62
1941 31.39 27.36 33.00 50.37 56.68 64.87 69.42 68.52 61.73 55.19 36.43 36.39 49.28
1942 23.74 29.54 39.71 48.50 54.65 66.90 70.00 67.06 59.03 49.13 43.03 31.87 48.60
1943 30.39 31.46 34.77 48.00 b 59.19 69.43 69.58 68.77 56.97 44.74 34.83 29.71 48.15
1944 31.26 36.48 37.94 47.50 59.23 67.43 66.94 68.81 61.73 46.13 39.77 25.65 49.07
1945 27.03 31.96 47.71 48.33 53.23 62.70 64.87 65.19 62.43 46.26 40.47 26.32 48.04
1946 30.42 33.89 47.55 50.57 54.26 63.23 67.10 63.00 58.43 47.13 42.57 34.84 49.42
1947 35.10 21.75 29.94 49.53 52.35 63.43 61.58 70.10 59.60 54.03 37.73 28.81 47.00
1948 19.68 33.03 40.97 50.37 54.32 63.37 66.61 64.94 58.73 43.52 40.70 34.58 47.57
1949 35.83 a 33.61 37.42 46.60 55.97 65.37 70.06 66.10 55.03 53.61 36.20 32.87 a 49.06
1950 38.48 33.93 35.52 42.69 a 59.29 63.43 65.10 63.58 59.70 51.77 33.03 24.94 47.62
1951 30.35 32.25 39.03 44.77 52.06 64.45 a 67.97 67.06 58.03 47.45 31.34 a 33.65 47.37
1952 35.74 35.90 38.35 45.27 55.13 68.50 67.97 66.52 55.83 39.29 38.17 33.61 48.36
1953 35.74 33.54 41.68 44.97 58.84 67.60 67.97 64.29 55.60 45.73 a 33.00 29.20 a 48.18
1954 31.10 36.21 37.58 52.33 50.26 64.27 68.43 a 68.63 a 60.17 a 50.19 37.50 32.26 49.08
1955 30.07 a 32.64 40.90 52.60 58.26 57.73 d 70.97 b 68.52 61.33 46.45 35.07 29.94 48.71
1956 27.06 37.10 36.73 a 45.53 57.71 63.30 69.86 i 66.61 55.70 50.13 36.40 39.52 46.89
1957 29.06 39.18 38.37 a 51.30 57.70 a 67.03 66.74 63.77 61.37 45.77 39.10 35.13 49.54
1958 27.16 19.93 35.90 47.20 55.97 62.30 69.55 65.45 60.50 46.13 39.52 a 25.61 46.27
1959 26.19 31.00 36.23 48.13 60.73 a 63.50 66.10 68.16 60.23 48.97 32.80 33.84 47.99
1960 32.00 28.48 26.61 46.50 51.48 62.90 64.48 67.74 60.93 48.74 34.80 25.03 45.81
1961 23.06 35.68 42.97 44.30 51.65 61.73 65.68 65.39 60.07 45.94 39.63 32.35 47.37
1962 25.61 34.43 36.29 45.83 61.84 64.23 64.65 65.79 b 59.07 52.81 39.40 25.23 47.93
1963 20.29 23.89 39.14 j 49.27 55.39 65.27 67.58 65.29 56.73 47.42 36.83 18.35 46.03
1964 23.03 25.07 34.84 51.00 57.13 65.90 67.97 a 65.03 57.03 41.00 37.20 29.77 a 46.25
1965 26.42 24.75 28.32 47.53 59.16 63.77 66.61 64.81 61.27 42.55 39.40 31.58 46.35
1966 22.00 a 29.14 36.71 46.07 52.71 61.45 a 69.97 65.16 57.61 b 41.58 38.80 29.58 45.90
1967 29.19 24.46 39.42 45.63 51.94 61.70 62.74 61.03 53.13 42.26 ----- z ----- z 47.15
1968 22.47 a 19.83 32.42 45.10 53.87 61.60 64.03 64.74 55.83 43.71 37.27 23.32 43.68
1969 25.74 29.21 30.97 47.00 52.74 62.13 68.42 60.84 54.23 42.06 31.63 25.35 44.20
1970 16.39 21.82 32.61 45.17 54.32 60.53 61.97 64.73 i 62.63 44.94 32.90 30.57 a 42.17
1971 23.77 21.89 30.23 40.90 47.23 65.60 64.42 62.68 61.60 52.48 34.87 36.13 45.15
1972 23.13 26.03 33.97 45.00 52.29 57.43 64.35 64.77 61.83 46.00 a 35.73 30.45 45.08
1973 24.87 25.54 43.48 45.67 49.97 63.77 67.23 63.84 61.20 49.65 40.33 29.39 47.08
1974 33.94 26.96 40.84 42.03 55.55 58.10 64.74 65.29 54.83 a 40.23 a 36.63 28.48 45.64
1975 27.77 28.18 34.74 42.13 57.00 61.53 63.81 66.58 55.30 46.33 a 36.93 28.26 45.71
1976 20.87 31.97 41.68 42.66 a 48.97 61.10 63.87 60.45 53.13 38.80 a 26.37 19.94 42.48
1977 9.45 20.93 36.14 c 46.63 55.39 61.83 68.10 65.42 60.97 40.23 38.73 25.71 44.13
1978 15.13 a 14.04 32.61 44.80 52.13 61.27 66.00 65.65 60.40 40.55 38.60 26.87 a 43.17
1979 16.97 18.39 36.39 45.45 a 51.67 a 59.53 66.68 64.66 b 56.60 45.84 32.33 27.81 43.53
1980 28.00 22.97 31.55 41.34 a 51.55 61.40 69.10 a 67.68 61.10 41.19 33.80 27.19 44.74
1981 18.55 25.32 31.26 50.00 a 50.74 64.86 a 66.77 63.58 54.10 43.42 35.80 24.32 44.06
1982 18.25 g 25.36 37.96 d 42.13 56.13 58.63 66.61 61.19 49.27 41.32 31.97 a ----- z 47.06
1983 23.48 29.32 37.37 d 39.47 50.03 61.23 66.94 67.35 55.67 45.87 35.32 b 19.24 b 44.27
1984 18.10 a 29.59 b 33.68 45.57 50.65 64.27 64.16 63.74 54.53 53.29 31.62 a 35.33 a 45.38
1985 16.39 23.75 35.81 47.03 55.00 63.10 67.39 66.06 56.27 51.35 45.47 20.90 45.71
1986 21.77 32.07 34.52 44.77 55.68 65.27 69.71 61.71 62.53 47.94 40.23 29.48 47.14
1987 24.94 30.86 35.87 42.10 ----- z 65.03 68.65 67.65 58.13 37.35 37.80 31.61 45.45
1988 23.94 25.69 34.45 43.07 50.26 59.00 68.29 68.48 59.20 39.55 35.50 27.84 44.61
1989 30.87 26.50 35.97 a 44.23 52.81 63.37 67.90 65.94 59.10 44.55 36.30 16.87 45.37
1990 32.03 36.68 40.19 42.67 52.84 63.13 66.00 64.87 61.23 44.65 39.50 30.26 47.84
1991 28.52 31.36 39.94 51.27 62.48 66.70 69.52 66.26 60.87 47.94 35.63 33.97 49.54
1992 29.23 34.00 37.35 46.37 54.00 61.67 69.90 63.65 59.07 45.48 38.13 31.00 47.49
1993 30.26 27.00 35.74 43.87 55.26 64.20 71.97 67.81 58.13 45.13 35.07 30.10 47.04
1994 22.55 29.54 36.23 48.33 50.65 ----- z 69.26 64.32 55.67 47.52 43.23 33.77 45.55
1995 28.84 27.11 38.10 46.97 57.42 63.23 69.23 71.32 57.50 47.10 31.07 29.26 47.26
1996 26.32 28.76 31.77 42.37 59.06 65.20 66.94 66.65 58.03 47.10 36.33 33.42 46.83
1997 25.45 34.93 40.58 41.00 51.00 64.47 68.68 67.26 59.87 47.03 36.03 31.00 47.27
1998 36.19 36.68 40.10 47.43 61.16 68.13 72.61 68.23 63.23 49.55 38.67 32.39 51.20
1999 31.42 34.07 34.10 50.77 55.29 67.43 72.77 66.16 55.83 45.61 40.33 32.32 48.84
2000 28.29 34.28 39.48 45.80 60.32 65.90 68.58 69.23 60.57 50.00 37.37 21.19 48.42
2001 24.77 34.07 a 34.77 52.70 58.07 a 63.50 70.55 70.87 58.93 45.52 38.77 34.90 48.95
2002 31.58 29.32 36.90 50.17 55.00 66.77 72.16 70.00 64.10 52.71 36.57 31.26 49.71
2003 22.32 28.64 38.35 49.17 59.16 62.67 69.68 70.90 58.07 49.35 43.57 30.94 48.57
2004 27.00 28.07 41.48 46.33 62.06 66.13 68.13 63.45 60.43 53.26 43.40 28.26 49.00
2005 33.94 33.14 36.16 47.60 52.77 65.63 71.35 70.84 63.03 47.35 37.90 27.03 48.90
2006 32.96 e 29.21 36.83 g 52.13 56.48 63.87 69.45 70.87 58.33 45.84 37.73 31.74 49.88
2007 31.48 24.79 44.52 44.33 58.29 65.00 67.87 72.61 63.57 51.00 33.37 34.29 49.26
2008 27.10 31.55 37.87 45.67 55.10 66.37 67.74 65.81 60.87 46.77 34.43 28.90 47.35
2009 25.00 32.36 40.29 46.70 57.39 65.73 65.58 65.84 63.37 46.94 39.60 30.68 48.29
2010 23.71 25.89 38.35 49.23 64.50 z ----- z ----- z ----- z ----- z 44.23 35.67 24.61 34.53
2011 23.84 29.50 40.26 49.68 b 54.50 a 65.17 70.17 a 66.74 57.73 44.57 a 40.03 31.23 47.78
2012 30.16 32.61 a 46.38 b 46.27 60.50 y ----- z ----- z ----- z ----- z ----- z ----- z ----- z 38.85
Period of Record Statistics
MEAN 27.79 29.75 37.96 46.89 55.53 64.01 67.85 66.52 59.53 47.14 37.42 30.16 47.58
S.D. 5.63 5.06 4.34 2.99 3.34 2.53 2.36 2.71 3.49 3.88 3.53 4.41 1.84
SKEW -0.56 -0.34 0.29 0.04 -0.08 -0.40 -0.28 0.74 -0.42 0.02 0.22 -0.55 -0.66
MAX 38.48 40.43 48.40 54.57 62.48 69.43 72.97 78.81 68.03 57.26 47.80 41.32 51.20
MIN 9.45 14.04 26.61 39.47 47.23 57.43 61.58 60.45 47.50 37.35 26.37 16.87 42.48
NO YRS 118 120 118 120 118 116 113 112 118 120 118 117 102