JACKSON EXP STN, TENNESSEE

Monthly Average Temperature (Degrees Fahrenheit)

(404561)

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
1891 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1892 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1893 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1894 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1895 ----- z ----- z ----- z 61.23 66.26 76.80 76.87 77.82 74.86 h 54.11 48.68 41.34 62.89
1896 39.39 41.78 46.92 67.15 74.45 75.18 80.37 79.66 70.52 58.42 51.17 42.19 60.60
1897 36.50 45.23 54.65 60.17 65.10 77.78 80.84 78.77 74.65 64.44 50.00 42.08 60.85
1898 46.55 43.14 55.73 56.75 71.18 78.55 78.45 77.30 h 74.47 58.56 47.63 g 39.42 k 62.60
1899 39.21 31.09 49.48 59.96 c 72.18 78.38 d 78.84 80.87 e 67.47 j 65.39 c 53.65 c 39.60 a 58.97
1900 41.32 38.41 a 48.69 b 62.12 69.46 c 75.98 ----- z ----- z 77.00 65.13 d 50.11 b ----- z 58.69
1901 43.94 40.35 a 51.00 a 56.73 d ----- z 79.48 c ----- z ----- z ----- z ----- z ----- z ----- z 54.30
1902 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 62.24 l 56.31 a 41.48 48.90
1903 40.42 40.95 54.92 60.00 67.21 69.18 79.05 77.85 69.12 59.66 46.20 36.44 58.42
1904 38.21 43.64 53.35 54.20 65.88 a 74.18 75.92 76.73 a 74.89 l 59.94 48.32 42.45 a 57.53
1905 33.32 a 35.25 f 57.85 62.85 72.72 b 77.63 78.73 78.75 a 74.71 b 62.53 53.32 40.13 a 62.96
1906 44.60 a 41.43 46.16 64.68 68.94 77.26 a 77.66 79.37 77.62 60.39 51.20 45.50 a 61.23
1907 50.77 43.95 62.95 54.76 a 65.33 e 75.03 81.31 79.88 a 72.58 61.56 49.67 44.77 61.88
1908 41.39 43.93 59.71 65.48 71.66 77.35 79.65 79.11 74.43 59.05 55.08 46.39 62.77
1909 43.95 49.55 53.68 62.50 68.06 79.02 81.73 82.35 73.27 61.98 60.22 37.02 62.78
1910 42.25 a 38.42 d 61.44 58.62 68.29 b 74.93 b ----- z ----- z 75.05 61.10 46.30 38.35 56.47
1911 44.68 48.02 54.24 b 59.78 71.11 80.08 77.65 a 78.52 d 79.62 64.11 47.62 44.95 62.53
1912 33.15 a 35.97 45.81 62.02 69.72 a 73.53 a 80.76 b 78.53 b 74.88 f 62.66 b 48.41 b 42.00 d 57.50
1913 47.67 k 40.69 b 50.73 59.98 b 68.80 c 78.18 b 81.72 d 82.14 c 73.92 e 60.15 e 56.29 a 42.12 a 63.16
1914 44.52 b 40.71 47.48 a 59.79 a 67.71 82.83 82.37 a 79.92 a 72.48 c 63.17 b 49.59 b 36.12 a 60.56
1915 37.48 g 45.16 42.19 62.03 70.90 76.63 79.74 75.58 a 74.96 b 62.35 a 54.20 43.05 a 62.44
1916 46.09 b 41.97 49.85 58.25 70.94 74.66 b 80.73 a 80.48 69.74 c 61.27 51.95 40.43 a 60.53
1917 44.00 41.02 a 52.27 59.60 a 61.38 b 74.22 77.60 a 75.60 71.90 a 54.98 48.90 a 31.97 a 57.79
1918 22.92 a 47.48 57.55 59.57 72.10 79.17 77.02 81.47 65.58 64.21 48.42 47.81 60.27
1919 40.05 43.45 51.69 60.18 66.37 77.40 80.61 79.74 73.28 68.23 50.30 39.52 60.90
1920 38.97 42.21 50.18 57.48 69.68 74.53 78.45 76.48 74.23 62.68 46.55 42.92 59.53
1921 45.21 46.46 61.10 59.80 67.95 79.57 81.66 79.48 79.07 57.92 53.02 45.44 63.06
1922 38.61 45.89 51.40 62.83 69.58 76.97 78.19 77.40 74.42 61.94 51.58 47.66 61.37
1923 45.76 39.62 49.42 58.55 65.77 75.45 77.79 78.55 71.82 58.02 49.24 a 49.73 59.98
1924 35.44 41.09 44.74 59.82 62.79 77.42 77.31 80.06 67.98 63.19 51.52 40.77 58.51
1925 40.63 48.71 53.61 65.50 65.42 80.42 80.19 78.82 81.48 a 57.52 48.95 38.89 61.68
1926 40.26 47.38 45.76 56.40 68.21 74.53 79.00 78.98 76.38 64.02 45.92 41.26 59.84
1927 41.23 50.12 51.47 62.82 69.74 74.60 78.21 73.89 74.50 62.63 54.48 40.84 61.21
1928 40.08 42.55 50.37 55.88 68.36 b 72.92 79.56 80.05 68.80 64.47 49.30 42.81 59.60
1929 41.56 36.50 54.65 62.60 67.24 75.87 80.24 75.85 72.08 61.05 47.53 43.85 59.92
1930 37.61 50.43 48.95 61.55 68.47 75.03 82.06 78.03 74.07 58.42 49.17 38.52 60.19
1931 40.16 45.80 44.92 57.70 64.50 77.98 79.65 75.55 76.82 66.05 56.77 49.89 61.31
1932 46.61 51.14 46.61 61.50 67.65 77.98 81.45 79.73 71.52 58.69 46.23 39.45 60.71
1933 47.13 41.95 50.52 59.42 71.29 76.48 78.13 76.98 77.78 60.90 50.10 49.65 61.69
1934 43.24 38.38 47.32 60.42 68.95 78.53 82.16 81.47 70.52 62.61 53.73 40.65 60.66
1935 41.34 43.62 57.58 58.65 67.97 72.60 80.67 d 80.18 70.58 d 62.77 49.85 34.85 60.06
1936 35.13 36.43 55.16 56.70 70.08 a 79.00 82.13 82.27 76.07 60.37 46.10 44.34 60.32
1937 45.27 a 41.73 45.76 59.87 69.42 77.12 77.16 80.10 69.75 58.68 a 46.92 40.32 59.34
1938 40.37 50.46 58.42 61.33 69.19 73.72 79.74 80.45 72.15 62.85 49.52 40.85 61.59
1939 43.65 43.41 52.63 57.02 67.02 77.17 78.85 77.47 76.55 63.92 46.20 43.71 60.63
1940 24.50 40.40 49.82 58.90 64.31 75.52 77.03 78.19 69.03 62.39 47.65 46.74 57.87
1941 40.97 38.64 45.34 63.38 70.52 76.68 81.16 80.21 75.35 67.58 48.55 44.23 61.05
1942 35.06 39.18 51.94 61.70 68.06 76.95 80.56 76.47 70.32 61.26 53.30 41.97 59.73
1943 40.74 45.16 46.26 59.25 70.58 79.73 81.32 81.00 68.30 58.47 47.68 39.79 59.86
1944 41.44 47.88 51.03 59.03 a 71.53 78.73 77.92 79.34 72.45 59.63 50.70 36.48 60.51
1945 39.40 42.82 59.76 61.40 64.61 74.10 77.76 77.27 73.28 58.47 51.78 35.66 59.69
1946 40.40 45.75 d 58.00 e 63.28 64.55 74.82 k 77.82 q 74.00 d 70.35 60.65 55.23 46.79 c 57.90
1947 42.92 33.86 42.26 61.52 a 65.15 75.78 74.37 82.69 73.78 67.66 47.47 42.32 59.15
1948 30.45 40.78 52.98 64.23 67.76 76.45 80.27 76.68 70.27 58.00 51.13 44.55 59.46
1949 46.52 46.09 50.69 58.72 69.60 a 77.00 80.42 76.98 67.15 63.73 48.87 44.23 60.83
1950 49.30 a 45.84 47.34 55.65 70.93 a 75.63 76.05 73.52 69.00 65.05 44.47 35.21 59.00
1951 40.74 43.32 51.02 a 56.35 67.68 75.97 ----- z 79.31 71.00 62.58 44.80 45.85 a 58.06
1952 46.61 46.60 49.92 58.33 68.76 83.17 81.77 79.05 68.95 53.63 47.75 42.15 60.56
1953 45.53 45.02 54.06 56.63 71.06 82.08 79.63 78.55 71.73 61.60 47.93 40.05 61.16
1954 41.74 50.12 49.90 65.58 63.24 78.43 83.34 83.06 75.67 61.97 48.20 41.47 61.89
1955 39.31 42.86 52.13 63.92 70.18 71.53 80.50 78.90 74.05 59.68 48.42 40.32 60.15
1956 36.18 47.19 49.89 58.57 70.77 74.80 79.84 79.85 70.07 a 63.52 49.17 49.26 60.76
1957 38.19 48.88 49.40 63.23 69.24 76.13 77.94 76.53 70.08 56.94 49.68 46.53 60.23
1958 35.94 31.23 43.69 59.42 68.97 76.25 79.85 77.65 72.45 59.50 52.42 37.95 57.94
1959 37.50 42.98 49.84 60.50 72.13 74.77 77.55 79.18 73.97 62.69 46.77 44.13 60.17
1960 40.95 39.26 38.19 64.08 65.77 75.55 78.55 79.48 74.17 63.03 49.67 36.81 58.79
1961 35.48 47.64 52.48 54.95 64.58 72.93 77.10 75.69 71.80 59.53 a 48.30 40.11 58.38
1962 33.55 46.04 44.15 55.88 75.11 75.25 78.97 78.37 70.17 63.47 46.82 36.40 58.68
1963 29.39 33.07 53.37 62.68 68.08 76.13 77.77 78.05 70.67 65.03 50.05 29.05 57.78
1964 37.79 37.78 49.37 62.32 69.98 76.08 77.94 76.11 70.60 57.19 52.62 41.23 59.08
1965 40.34 39.75 41.55 62.35 72.60 75.42 78.08 77.35 72.73 58.10 54.08 43.32 59.64
1966 32.34 40.34 50.10 58.58 65.89 73.88 81.42 75.16 70.10 56.39 51.92 40.05 58.01
1967 40.26 37.39 54.66 64.62 66.06 76.15 74.97 72.92 67.32 59.32 45.38 43.34 58.53
1968 33.68 34.09 47.39 60.35 66.81 76.53 78.66 79.89 69.20 59.66 49.18 38.95 57.87
1969 37.85 40.41 42.39 60.73 68.97 76.73 82.71 76.40 70.48 60.27 46.55 37.68 58.43
1970 30.94 38.84 46.74 62.07 70.00 73.97 76.97 78.82 76.37 59.89 47.18 45.08 58.90
1971 37.13 39.39 45.34 59.18 63.95 78.22 77.37 76.08 73.87 67.31 49.65 48.74 59.69
1972 40.29 41.21 49.87 61.53 68.02 74.03 77.05 77.63 75.18 59.77 46.58 39.10 59.19
1973 36.85 38.93 56.61 57.08 65.15 77.70 79.92 77.11 74.60 64.77 54.00 ----- z 62.07
1974 42.37 41.66 54.94 59.17 69.50 71.48 79.31 76.81 66.32 59.05 50.32 40.84 59.31
1975 42.37 40.73 46.06 57.97 69.82 75.53 77.27 77.98 67.43 61.69 51.23 42.06 59.18
1976 35.74 49.34 55.34 59.93 62.18 72.78 77.63 75.10 69.67 54.81 40.95 36.29 57.48
1977 23.94 36.90 c 54.10 a 62.65 71.85 76.53 81.42 78.90 74.30 57.03 51.15 38.39 58.93
1978 26.94 28.07 44.74 62.32 67.23 76.03 80.27 78.39 74.12 57.87 54.03 40.94 57.58
1979 28.55 32.70 51.02 59.85 66.39 74.43 78.40 76.98 69.30 60.90 47.93 41.39 57.32
1980 39.87 34.86 45.24 56.40 67.56 75.37 83.00 82.05 75.07 57.24 48.00 40.16 58.74
1981 34.05 41.04 47.66 64.93 64.35 77.37 79.47 76.42 68.75 58.68 51.42 37.27 58.45
1982 32.50 38.05 52.61 55.33 71.11 73.18 80.42 76.85 69.93 60.06 50.55 46.85 58.96
1983 37.15 42.39 48.79 53.33 65.27 73.78 80.95 82.68 72.67 62.65 50.20 31.58 58.45
1984 31.47 44.48 46.84 57.68 65.90 77.52 77.45 76.89 69.15 65.19 47.53 49.95 59.17
1985 28.92 35.93 53.50 61.90 68.58 75.40 78.50 77.02 70.55 64.05 55.92 35.47 58.81
1986 38.35 44.32 50.37 61.75 69.26 77.62 82.16 76.98 76.02 61.74 49.18 40.73 60.71
1987 36.61 43.75 53.05 57.00 73.74 77.05 79.39 81.58 71.70 54.61 53.18 43.26 60.41
1988 33.31 38.16 49.73 59.12 67.06 75.90 78.26 80.26 72.13 55.27 50.63 41.08 58.41
1989 44.34 36.95 51.26 59.15 65.92 74.63 78.29 77.97 69.65 61.11 49.63 30.24 58.26
1990 44.27 48.93 51.73 57.67 65.89 76.85 78.84 78.29 74.90 58.87 54.55 44.11 61.24
1991 37.95 43.68 52.03 62.85 71.71 77.18 80.63 77.82 72.45 62.32 46.80 44.81 60.85
1992 39.55 47.67 51.47 59.67 66.76 72.88 79.08 74.06 70.50 59.23 49.90 40.74 59.29
1993 40.55 39.38 47.60 56.77 67.27 76.33 82.82 80.19 69.65 58.97 46.78 41.18 58.96
1994 33.92 42.46 50.73 62.83 64.90 78.32 78.19 76.21 68.98 60.92 55.37 45.05 59.82
1995 39.63 40.59 54.52 61.02 69.16 74.13 78.35 81.55 70.17 60.35 44.73 39.71 59.49
1996 38.19 41.41 45.56 56.88 71.94 75.87 78.34 77.87 70.05 60.06 46.58 44.32 58.92
1997 36.84 45.55 54.18 54.57 64.58 72.95 80.08 76.87 71.83 59.65 46.07 40.71 58.66
1998 43.31 45.98 49.61 59.55 72.31 79.52 80.90 78.71 77.10 63.98 53.15 43.27 62.28
1999 42.98 47.80 46.87 63.85 67.77 77.28 82.24 79.39 72.70 60.29 55.25 42.73 61.60
2000 39.65 46.66 54.81 57.30 71.35 76.20 79.02 80.98 72.17 64.31 48.20 30.82 60.12
2001 34.94 45.54 45.82 65.08 69.40 74.35 80.68 79.63 70.03 58.77 54.57 45.66 60.37
2002 41.48 41.55 49.50 63.73 66.53 77.35 81.55 80.00 74.92 61.35 47.02 41.18 60.51
2003 33.61 38.43 51.85 61.38 ----- z 72.67 79.29 79.32 69.93 61.29 54.68 41.06 58.50
2004 38.92 40.00 54.61 59.35 72.05 76.20 77.98 74.26 71.95 64.61 54.82 39.56 60.36
2005 44.44 45.64 49.48 60.02 66.45 76.22 79.95 81.60 75.15 60.26 53.28 38.05 60.88
2006 46.69 39.39 52.40 66.05 68.26 75.87 80.63 81.31 69.48 58.45 50.08 45.00 61.13
2007 41.00 37.73 59.87 57.60 72.35 78.32 79.34 86.08 75.10 64.55 50.63 45.11 62.31
2008 37.47 42.86 50.81 58.77 67.85 78.22 80.26 78.06 73.22 60.44 47.55 40.63 59.68
2009 36.27 44.70 51.56 59.95 68.85 78.62 76.53 77.19 73.40 a 57.89 53.00 38.50 59.71
2010 33.84 34.16 49.50 63.75 72.00 81.75 82.45 82.40 74.03 60.95 51.25 35.81 60.16
2011 35.40 44.18 51.81 63.10 67.63 79.45 82.77 80.05 70.43 a 58.10 52.08 42.68 60.64
2012 43.68 45.05 62.05 62.16 b 73.30 u ----- z ----- z ----- z ----- z ----- z ----- z ----- z 53.23
Period of Record Statistics
MEAN 39.01 42.15 50.86 60.19 68.39 76.35 79.43 78.55 72.35 60.94 50.09 41.37 59.93
S.D. 5.28 4.63 4.62 2.89 2.74 2.34 1.86 2.30 2.97 2.97 3.23 4.16 1.30
SKEW -0.64 -0.38 0.20 -0.01 -0.07 0.15 -0.07 0.13 0.33 0.02 0.32 -0.38 0.21
MAX 50.77 51.14 62.95 67.15 75.11 83.17 83.34 86.08 81.48 68.23 60.22 49.95 63.06
MIN 22.92 28.07 38.19 53.33 61.38 69.18 74.37 72.92 65.58 53.63 40.95 29.05 57.32
NO YRS 114 115 116 117 114 115 111 112 111 115 115 113 101