JACKSON EXP STN, TENNESSEE

Monthly Average Maximum 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 72.50 76.90 87.77 85.16 88.77 85.05 h 68.97 58.37 48.90 73.42
1896 46.19 49.69 54.61 77.03 84.94 84.33 90.00 91.32 82.20 70.71 59.93 52.42 70.28
1897 44.61 53.07 63.52 69.73 76.68 90.20 91.42 91.48 89.97 80.35 60.87 49.74 71.80
1898 54.29 52.25 65.74 66.83 82.55 88.77 87.87 86.87 h 84.90 67.65 56.96 g 48.70 k 72.32
1899 46.68 38.43 58.39 67.96 c 81.03 88.04 d 89.58 91.73 e 78.45 j 76.11 c 63.22 c 47.30 a 68.04
1900 48.42 46.41 a 57.86 b 71.23 79.29 c 83.03 ----- z ----- z 86.33 73.48 d 58.68 b ----- z 67.19
1901 52.13 47.74 a 59.27 a 65.38 d ----- z 90.07 c ----- z ----- z ----- z ----- z ----- z ----- z 62.92
1902 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 76.68 l 67.07 50.58 58.82
1903 50.45 51.93 65.55 72.70 79.55 82.63 92.87 91.90 86.57 74.61 59.60 48.74 71.43
1904 50.00 54.72 65.26 66.93 80.20 a 88.37 89.68 91.00 a 87.22 l 76.00 61.37 51.93 a 70.50
1905 42.37 a 45.68 f 69.84 76.03 82.63 a 89.33 89.23 90.70 a 87.39 b 74.48 66.77 48.93 a 74.34
1906 56.00 a 55.00 55.23 79.27 82.55 90.62 a 89.32 91.32 88.47 72.42 65.37 54.30 a 73.32
1907 60.61 55.21 74.23 65.90 a 76.77 e 87.30 94.13 91.35 85.63 76.29 62.30 53.97 73.64
1908 51.55 53.14 70.71 78.33 83.68 89.13 91.90 90.68 89.20 76.71 68.27 55.97 74.94
1909 53.71 61.61 65.61 75.00 79.90 90.87 94.29 96.94 86.87 78.90 73.57 47.39 75.39
1910 53.83 a 50.62 d 77.39 70.00 75.03 b 81.96 b ----- z ----- z 88.47 76.10 60.43 48.00 68.18
1911 56.10 60.71 67.79 b 73.17 86.16 95.60 90.35 88.67 d 92.90 76.39 59.30 54.61 75.15
1912 45.53 a 47.21 56.13 73.00 82.47 a 84.38 a 91.50 a 91.10 b 88.21 f 76.79 b 63.75 b 51.37 d 69.38
1913 59.40 k 50.50 b 62.16 71.96 b 81.71 c 93.50 b 94.52 d 95.75 c 84.85 d 72.81 d 69.97 a 50.70 a 75.31
1914 53.93 a 52.39 58.03 a 71.21 a 82.16 97.13 96.50 a 91.20 a 85.26 c 73.80 a 64.21 b 43.45 72.44
1915 48.21 g 54.54 51.87 75.87 82.00 89.60 93.13 85.70 a 87.14 b 75.73 a 66.90 53.70 a 74.20
1916 56.38 b 53.55 62.10 69.80 82.94 85.18 b 90.63 a 92.32 84.39 b 77.19 66.83 51.77 a 72.76
1917 53.87 54.18 63.45 73.14 a 73.55 b 85.80 87.90 a 87.00 84.90 a 71.00 62.52 a 43.00 70.03
1918 35.17 a 59.04 71.16 71.27 84.39 91.47 91.19 94.74 79.40 75.77 59.63 58.03 72.60
1919 51.58 54.36 63.97 73.27 76.90 88.07 93.26 91.84 87.67 77.23 62.67 50.19 72.58
1920 48.52 51.72 61.39 69.77 80.71 87.40 90.52 88.65 85.87 79.00 59.57 51.90 71.25
1921 54.81 56.39 72.48 72.47 81.61 91.90 94.42 91.13 90.63 73.10 65.83 56.68 75.12
1922 47.16 54.54 60.90 73.77 80.26 88.97 89.81 91.58 89.57 78.10 64.93 58.10 73.14
1923 56.55 49.79 62.52 71.20 75.26 86.00 90.03 89.81 83.27 71.77 60.73 58.84 71.31
1924 45.32 50.66 53.71 72.00 74.58 87.20 89.84 92.55 79.00 79.90 64.27 51.10 70.01
1925 50.23 60.21 66.61 77.87 79.06 93.57 92.87 93.00 95.14 a 67.90 61.03 49.06 73.88
1926 49.65 58.36 55.77 70.77 83.19 87.67 92.35 89.61 88.63 76.00 57.50 50.58 71.67
1927 51.42 61.18 61.81 74.20 80.39 84.67 91.52 85.74 90.07 78.26 65.70 51.90 73.07
1928 51.35 52.97 62.68 68.10 80.86 b 81.83 90.48 90.71 83.23 76.39 59.27 54.71 71.05
1929 53.00 45.64 64.84 72.90 77.55 87.43 91.32 88.74 83.43 74.19 56.17 53.35 70.71
1930 46.74 61.32 59.74 73.77 78.74 89.20 96.35 92.29 85.57 70.77 57.90 46.71 71.59
1931 50.77 56.39 54.84 69.77 76.48 92.37 90.10 85.68 90.40 80.58 68.00 58.87 72.85
1932 56.29 61.93 57.65 73.47 79.68 89.63 92.52 91.55 81.63 71.06 57.80 48.19 71.78
1933 57.19 51.96 61.39 70.33 81.23 90.73 88.52 88.39 89.60 74.61 62.93 60.06 73.08
1934 53.94 50.39 59.77 73.43 82.55 90.63 94.26 92.65 82.07 75.81 65.67 50.10 72.60
1935 51.26 53.68 67.81 68.83 78.45 82.03 91.81 d 91.87 82.19 d 75.97 59.03 43.42 70.53
1936 44.61 45.79 68.48 69.50 83.77 a 94.87 92.90 95.55 87.70 71.94 58.37 54.32 72.32
1937 53.60 a 50.93 57.06 71.50 81.35 88.53 88.87 91.32 81.00 69.97 57.23 48.26 69.97
1938 49.74 59.57 69.52 72.13 80.26 84.07 91.03 91.74 85.17 80.06 62.83 52.23 73.20
1939 52.97 54.29 64.90 68.03 78.19 86.27 90.10 89.00 91.83 78.77 58.57 53.55 72.21
1940 34.35 48.38 60.29 69.50 78.06 86.40 87.16 89.55 84.50 79.00 59.03 57.23 69.45
1941 50.16 48.29 57.29 76.00 83.16 89.17 93.23 91.61 88.73 79.39 61.27 53.77 72.67
1942 46.65 47.57 63.42 73.70 81.42 88.53 92.48 87.58 83.70 76.32 64.43 50.32 71.34
1943 52.10 57.32 57.77 70.33 81.03 91.47 94.42 94.23 79.40 71.81 61.27 48.87 71.67
1944 51.52 57.21 62.48 69.45 a 83.10 90.40 92.39 90.32 83.40 73.84 59.43 44.35 71.49
1945 48.61 51.89 70.65 72.30 75.55 83.97 89.32 88.00 83.83 70.45 61.37 43.48 69.95
1946 48.97 57.17 d 67.92 e 74.47 74.65 86.62 i 86.50 q 83.93 d 82.10 74.61 65.67 56.86 c 68.63
1947 50.65 44.75 52.87 71.93 a 76.32 86.53 88.03 94.77 86.73 80.03 56.50 54.03 70.26
1948 39.97 49.07 63.26 75.60 79.06 89.03 91.84 89.68 82.37 72.19 61.47 53.03 70.55
1949 54.97 55.43 61.06 68.27 80.97 86.03 89.35 87.52 78.77 73.48 62.50 54.87 71.10
1950 58.37 a 56.71 59.39 67.90 81.50 a 86.53 86.29 83.77 78.20 77.45 56.63 44.55 69.77
1951 50.90 54.11 61.32 67.47 82.71 86.90 90.42 92.58 83.30 76.19 55.93 55.16 71.42
1952 55.00 55.69 60.35 70.27 81.90 96.47 95.94 90.45 82.60 69.87 59.33 51.71 72.47
1953 55.16 55.46 65.32 68.40 81.48 94.87 90.58 92.77 89.40 79.65 62.40 50.39 73.82
1954 51.55 62.57 61.39 77.70 74.45 92.10 96.48 96.52 91.17 73.84 61.23 51.71 74.23
1955 49.26 52.54 63.03 75.57 81.94 83.47 90.23 90.58 88.13 72.58 60.57 51.19 71.59
1956 46.00 56.10 61.45 70.43 81.45 86.43 91.61 93.52 86.87 77.87 62.13 59.23 72.76
1957 46.90 58.00 59.42 74.57 80.68 85.90 88.55 88.61 79.97 68.32 59.20 55.97 70.51
1958 45.35 42.11 52.23 70.73 80.84 87.97 90.23 90.65 84.23 73.42 64.93 48.35 69.25
1959 47.55 53.43 62.52 72.03 82.97 85.57 88.97 90.06 85.37 74.55 58.93 53.26 71.27
1960 47.81 47.69 46.97 77.80 78.16 87.20 89.90 90.61 86.37 74.45 62.30 46.23 69.62
1961 46.29 58.18 61.74 65.07 75.29 83.87 88.03 87.16 84.50 73.81 58.37 48.68 69.25
1962 43.71 58.25 52.97 66.20 87.71 85.80 91.13 92.45 80.97 76.16 58.00 47.71 70.09
1963 41.13 45.36 65.48 74.60 78.90 86.43 88.03 90.35 83.63 83.06 62.43 40.10 69.96
1964 50.42 48.14 61.26 72.33 81.16 86.60 88.19 86.58 82.53 70.87 64.97 50.00 70.25
1965 50.90 50.96 50.16 74.13 82.71 85.47 89.10 88.61 82.47 72.26 66.47 54.29 70.63
1966 41.42 49.04 61.65 69.90 77.39 86.77 92.52 85.23 81.13 69.84 62.53 49.19 68.88
1967 50.19 47.93 65.06 76.07 76.23 86.43 84.65 83.74 78.97 73.61 57.23 53.19 69.44
1968 42.58 43.86 58.32 70.97 77.03 88.37 89.52 92.06 83.07 72.45 59.53 48.48 68.85
1969 46.00 48.75 52.94 71.53 80.81 88.30 94.29 88.52 81.83 72.42 58.03 46.06 69.12
1970 40.19 48.21 55.58 72.40 81.35 83.50 87.61 88.87 86.83 71.23 57.03 55.26 69.01
1971 46.29 49.46 55.77 72.50 75.32 88.97 87.16 87.00 83.57 79.19 60.80 57.87 70.33
1972 50.35 51.79 60.45 72.43 79.42 85.77 86.90 88.06 85.50 69.61 54.63 47.45 69.37
1973 45.55 48.54 65.81 65.60 75.32 88.17 89.68 88.74 84.03 77.13 63.60 ----- z 72.01
1974 49.03 51.96 65.35 70.80 78.48 80.97 89.58 86.42 75.80 72.58 61.17 49.71 69.32
1975 52.52 49.18 55.94 69.13 79.10 85.57 87.32 86.65 76.80 73.23 60.77 50.23 68.87
1976 45.61 60.41 65.71 71.67 72.13 82.30 88.58 87.06 80.77 66.48 51.27 46.84 68.24
1977 32.39 51.68 66.00 74.63 83.81 88.00 91.74 89.42 83.90 69.84 60.53 47.52 69.95
1978 34.55 37.04 54.58 74.40 76.97 86.17 90.77 88.58 85.60 73.61 65.40 51.58 68.27
1979 36.06 41.75 60.71 69.87 75.19 84.37 86.10 86.03 78.97 72.87 58.70 50.97 66.80
1980 47.32 43.76 55.23 67.57 78.26 85.63 93.55 93.84 86.40 70.29 58.60 50.39 69.24
1981 44.26 52.61 58.90 76.40 74.23 86.40 88.77 85.65 80.03 69.81 63.23 47.06 68.95
1982 42.94 46.82 63.26 65.47 81.74 83.07 89.52 86.10 80.67 72.42 60.77 54.74 68.96
1983 44.87 51.50 57.65 62.63 74.48 83.80 91.16 94.61 85.20 74.10 60.33 39.03 68.28
1984 40.68 55.86 56.48 67.87 76.03 88.37 87.26 86.06 80.13 74.00 58.47 59.48 69.22
1985 37.06 44.32 63.94 72.97 79.06 85.47 87.97 85.58 82.27 74.00 64.67 45.74 68.59
1986 50.68 53.68 62.90 74.03 78.61 87.00 92.61 87.74 86.90 72.61 56.87 48.42 71.00
1987 44.77 52.21 64.55 69.67 84.42 87.33 89.13 92.16 84.17 68.68 63.83 52.74 71.14
1988 41.61 48.38 60.87 71.57 80.58 89.93 87.26 90.42 82.63 66.61 62.23 52.16 69.52
1989 53.87 44.79 61.65 70.40 76.29 83.23 86.97 88.84 78.80 73.71 61.03 40.00 68.30
1990 53.84 59.32 60.90 69.27 75.13 86.97 89.19 90.10 87.13 71.90 66.40 54.32 72.04
1991 45.45 53.96 62.71 72.20 79.48 86.23 90.74 88.90 83.30 74.74 56.67 53.65 70.67
1992 48.87 58.90 62.13 71.00 77.58 82.20 88.06 83.68 80.77 72.06 59.40 48.29 69.41
1993 48.71 49.79 56.77 67.87 77.00 86.30 93.03 90.87 81.03 70.48 56.60 49.39 68.99
1994 41.45 52.46 61.90 74.67 75.45 87.40 86.55 86.42 80.80 71.77 65.47 53.58 69.83
1995 48.23 51.46 65.32 72.97 78.42 84.20 88.03 91.16 81.43 73.42 55.70 49.06 69.95
1996 47.68 52.72 56.48 69.03 81.35 85.30 87.55 87.84 80.33 71.71 54.77 53.74 69.04
1997 46.03 54.21 65.16 66.23 76.00 80.43 89.71 86.35 82.90 71.35 54.50 48.55 68.45
1998 50.68 54.32 57.97 69.73 81.61 89.20 89.65 88.13 89.33 77.19 64.77 52.45 72.09
1999 52.13 58.18 56.87 73.73 78.94 86.00 91.84 92.45 88.37 74.68 67.73 53.48 72.87
2000 48.58 58.21 65.84 68.80 80.97 85.97 89.48 92.39 83.60 77.87 57.40 39.61 70.73
2001 44.13 55.32 55.39 76.10 80.32 84.77 90.06 88.61 80.67 71.90 68.73 54.90 70.91
2002 51.19 51.96 59.23 74.83 75.77 87.23 91.68 90.32 85.13 68.77 56.40 50.03 70.21
2003 42.71 45.89 62.35 72.33 ----- z 81.67 88.32 88.71 81.27 73.45 65.03 50.81 68.41
2004 49.16 49.93 65.10 70.03 80.97 84.57 86.77 85.06 83.17 74.55 63.27 49.39 70.16
2005 52.29 54.36 59.97 70.57 77.94 85.27 88.81 91.58 86.27 72.84 65.37 47.26 71.04
2006 57.10 48.96 63.19 76.87 78.39 86.73 91.03 91.52 80.90 70.61 61.17 55.74 71.85
2007 49.58 47.04 71.90 69.00 84.42 89.90 89.13 99.39 86.03 75.58 61.87 54.97 73.23
2008 47.32 52.90 61.16 69.47 77.97 87.97 91.13 88.29 84.53 74.42 59.50 51.29 70.50
2009 46.39 56.25 62.06 71.23 77.94 88.93 85.74 87.42 82.62 a 67.68 65.03 46.87 69.85
2010 43.58 43.07 60.45 76.70 81.81 92.07 92.16 93.58 88.37 78.55 64.97 45.16 71.71
2011 44.90 54.86 63.26 75.90 78.03 90.90 93.13 92.65 83.34 a 73.16 63.20 52.77 72.18
2012 55.65 56.24 74.97 75.50 b 84.00 u ----- z ----- z ----- z ----- z ----- z ----- z ----- z 65.59
Period of Record Statistics
MEAN 48.50 52.26 61.60 71.65 79.50 87.35 90.34 89.93 84.39 73.98 61.45 50.90 70.96
S.D. 5.44 5.11 5.30 3.26 3.04 3.29 2.50 3.01 3.62 3.39 3.77 4.36 1.76
SKEW -0.58 -0.32 0.22 -0.04 -0.06 0.55 0.24 0.15 0.28 0.13 0.24 -0.34 0.31
MAX 60.61 62.57 77.39 79.27 87.71 97.13 96.50 99.39 95.14 83.06 73.57 60.06 75.39
MIN 32.39 37.04 46.97 62.63 72.13 80.43 84.65 83.68 75.80 66.48 51.27 39.03 66.80
NO YRS 114 115 116 117 114 115 112 112 111 115 115 113 102