JACKSON EXP STN, TENNESSEE

Monthly Total Precipitation (inches)

(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 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.30 0.00 0.40 z 6.50 x 6.60 z 0.30
1892 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1893 0.30 4.49 0.75 7.35 8.10 2.50 2.17 0.00 4.70 1.50 3.75 2.25 37.86
1894 3.35 6.95 5.70 4.50 4.82 t 0.70 2.50 4.07 0.90 0.00 z 0.55 2.80 32.02
1895 4.45 0.90 6.46 3.38 1.90 2.43 5.74 5.37 0.00 z 1.20 4.14 3.20 39.17
1896 4.42 2.05 4.74 5.41 4.36 4.58 7.55 0.95 2.78 1.95 6.19 1.45 46.43
1897 4.20 3.42 11.75 6.62 1.18 2.05 1.72 0.92 0.00 z 1.15 3.10 6.12 42.23
1898 11.10 2.40 4.65 3.33 4.99 3.19 3.88 3.00 4.45 3.03 3.17 3.35 50.54
1899 6.19 4.75 6.25 3.10 y 3.85 2.41 2.60 1.00 0.00 z 2.80 2.25 2.45 34.55
1900 1.00 z 2.70 2.05 3.45 4.75 13.90 0.00 z 0.00 z 3.50 z 6.80 4.00 z 0.00 z 33.65
1901 2.60 1.75 3.50 1.20 z 0.00 z 3.95 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 11.80
1902 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1.00 z 4.06 9.06 13.12
1903 3.45 5.38 3.47 1.56 7.00 1.65 3.03 1.65 0.74 1.64 4.23 4.53 38.33
1904 3.04 1.30 5.51 4.43 3.29 a 3.18 4.37 1.98 a 1.85 0.62 0.95 6.40 a 36.92
1905 6.18 0.81 f 4.65 3.43 5.65 a 11.79 3.42 4.40 2.57 b 7.13 1.65 3.90 54.77
1906 3.65 a 1.07 5.56 1.39 2.48 1.53 a 10.59 a 3.10 7.65 2.84 11.28 6.39 57.53
1907 2.69 4.32 3.72 5.04 a 7.63 1.96 2.55 2.43 2.92 3.76 3.68 4.37 45.07
1908 3.56 5.09 5.79 7.91 1.86 4.63 1.27 5.06 0.35 0.00 4.53 2.24 42.29
1909 0.90 7.04 3.31 6.04 4.87 3.75 2.46 1.05 4.79 1.36 1.92 4.87 42.36
1910 3.71 4.57 1.15 5.28 3.76 2.95 a 0.00 z 0.00 z 2.84 a 4.25 1.49 4.23 34.23
1911 2.61 2.83 1.90 b 12.48 2.90 2.12 2.97 9.24 d 4.40 3.40 5.58 10.01 60.44
1912 2.57 5.31 7.47 10.04 4.10 6.38 a 2.66 2.31 b 1.01 f 2.55 b 0.80 b 4.84 c 49.03
1913 10.49 i 4.97 b 5.89 5.28 b 3.19 b 1.73 a 5.17 d 3.63 c 3.65 c 3.73 b 1.31 a 2.31 40.86
1914 1.18 a 3.03 4.02 a 3.36 a 2.45 2.38 a 3.14 a 5.30 a 2.72 c 2.14 a 1.26 b 5.42 36.40
1915 2.44 g 2.85 3.60 2.08 6.75 a 1.18 2.77 10.06 2.37 a 3.44 a 9.34 7.88 a 52.32
1916 8.84 b 1.68 2.87 3.19 5.16 4.43 b 4.60 a 2.88 1.20 a 2.84 1.10 3.18 a 41.97
1917 6.10 1.71 5.53 3.95 a 4.01 b 5.37 4.68 a 1.90 1.46 2.20 1.24 a 1.62 39.77
1918 5.41 a 2.47 0.65 5.00 2.86 3.85 2.63 4.43 4.43 2.54 1.45 3.76 39.48
1919 4.00 3.04 10.60 3.77 5.11 2.12 3.10 3.57 1.67 10.24 9.17 2.68 59.07
1920 7.59 1.69 4.26 a 5.45 5.39 2.02 2.83 2.82 3.53 0.63 1.45 5.10 42.76
1921 2.42 4.93 8.57 6.13 1.95 2.67 2.81 6.68 7.74 1.70 4.21 1.70 51.51
1922 2.84 3.02 8.59 4.63 6.38 1.62 3.89 0.75 2.43 0.94 2.85 7.20 45.14
1923 5.26 3.96 9.18 4.87 7.41 2.34 2.29 3.87 4.00 3.01 3.46 5.40 55.05
1924 5.31 3.01 2.42 3.17 5.83 2.98 2.31 3.40 5.18 0.09 1.62 5.92 41.24
1925 1.80 5.91 3.21 1.38 1.86 1.77 5.83 1.13 1.95 8.95 3.30 2.14 39.23
1926 4.64 1.27 3.97 2.47 1.51 3.96 1.43 8.15 4.02 3.44 3.11 13.20 51.17
1927 4.83 3.97 10.91 a 14.42 6.19 6.57 1.64 3.54 0.90 4.37 4.28 3.27 64.89
1928 3.21 2.12 2.86 5.33 7.92 4.52 0.97 5.58 2.28 6.55 3.51 1.93 46.78
1929 5.06 5.21 4.68 6.02 6.71 2.09 3.22 4.33 3.46 5.80 3.05 2.25 51.88
1930 8.41 4.52 4.53 2.15 6.92 1.39 2.37 4.11 3.13 3.56 3.07 3.20 47.36
1931 1.45 5.14 4.45 2.62 1.84 2.35 4.39 8.74 0.82 1.93 5.98 7.45 47.16
1932 11.50 4.83 5.13 5.38 1.60 3.94 5.91 5.58 7.64 3.19 2.37 6.84 63.91
1933 2.93 5.11 6.67 5.87 7.51 1.94 7.19 4.50 4.69 1.06 1.60 10.06 59.13
1934 1.99 1.71 6.94 2.10 5.61 6.76 4.66 2.06 7.56 1.16 5.27 3.12 48.94
1935 11.39 3.07 7.69 4.48 5.33 7.59 3.86 0.31 3.24 2.91 2.09 1.78 53.74
1936 3.39 2.07 5.42 1.71 2.71 0.57 7.66 0.98 5.70 4.38 3.51 5.31 43.41
1937 20.31 a 2.14 2.83 5.35 3.33 3.35 5.28 2.96 2.98 5.49 2.41 3.18 59.61
1938 7.89 4.22 7.82 2.78 6.26 6.28 3.49 5.80 2.48 0.59 3.31 2.31 53.23
1939 8.82 12.06 4.69 6.28 5.97 11.61 2.94 3.76 1.10 1.01 1.45 3.54 63.23
1940 2.02 6.09 4.18 4.21 2.03 3.43 3.58 4.69 0.51 1.39 3.39 3.06 38.58
1941 2.16 1.15 0.83 2.79 2.45 3.03 1.15 6.54 0.55 7.01 2.57 2.66 32.89
1942 5.27 3.28 5.54 6.52 1.73 3.76 2.81 3.11 1.85 3.94 3.38 5.99 47.18
1943 1.08 1.04 6.99 2.88 5.30 2.98 2.09 1.86 6.04 0.72 4.20 3.04 38.22
1944 2.03 10.11 5.39 6.83 a 2.97 3.26 2.13 3.07 5.64 1.75 5.31 8.13 56.62
1945 4.98 6.72 5.14 5.83 5.25 7.62 5.68 5.56 5.49 2.67 12.72 3.56 a 71.22
1946 8.19 5.79 d 7.79 1.71 2.60 a 1.16 g 5.55 r 1.90 d 3.59 2.48 5.23 4.59 c 43.87
1947 7.79 0.70 3.13 5.75 8.22 1.19 1.68 3.34 2.57 3.17 6.68 2.38 46.60
1948 4.70 7.81 9.01 3.92 1.87 4.33 4.57 0.42 4.69 3.21 11.43 5.68 61.64
1949 7.96 2.66 5.36 3.40 5.52 8.71 3.40 4.92 2.09 7.21 0.61 a 7.61 59.45
1950 15.87 6.90 6.48 3.41 5.43 a 3.93 8.67 7.76 5.17 2.38 5.41 a 3.88 75.29
1951 9.58 4.00 4.00 7.34 a 0.39 4.96 5.82 2.17 4.09 1.84 6.87 7.53 58.59
1952 5.90 4.23 5.38 2.81 3.09 1.36 1.53 5.32 3.95 0.93 3.29 2.14 e 39.93
1953 3.72 6.46 7.15 a 7.40 8.48 3.83 4.13 0.00 0.48 0.96 2.25 3.42 48.28
1954 11.13 3.63 2.95 5.93 3.41 1.22 1.48 1.62 2.04 1.73 1.54 3.86 40.54
1955 1.65 6.94 7.94 6.88 5.05 2.33 12.97 3.01 3.93 2.00 2.66 1.15 56.51
1956 8.06 10.27 3.95 6.52 2.40 5.09 0.88 1.49 0.02 1.92 2.29 4.79 47.68
1957 10.39 6.27 3.96 6.12 5.29 6.85 6.76 2.30 4.21 3.53 10.55 5.07 71.30
1958 2.12 1.63 4.30 4.97 2.66 3.33 3.37 1.03 4.98 1.23 4.13 0.65 34.40
1959 5.53 5.06 2.73 2.68 2.75 4.16 4.71 2.55 1.73 2.54 3.15 4.58 42.17
1960 2.68 2.72 3.91 2.81 2.62 3.68 5.35 2.13 1.47 2.52 2.95 3.45 36.29
1961 2.20 6.95 6.53 4.76 4.67 4.75 3.80 3.66 1.20 2.05 5.25 8.78 54.60
1962 6.42 7.70 4.36 3.22 2.33 2.49 2.16 1.19 5.41 0.33 2.31 1.17 39.09
1963 1.00 2.39 7.52 3.89 4.75 2.23 3.56 1.17 0.99 0.00 2.60 2.55 32.65
1964 3.89 3.59 6.66 9.47 3.14 5.31 5.43 6.40 4.85 1.65 3.22 7.36 60.97
1965 4.00 6.71 6.61 5.74 3.03 2.61 4.41 1.63 4.24 1.17 2.10 1.26 43.51
1966 3.53 5.97 1.78 5.50 5.80 0.88 4.19 3.79 0.77 3.22 2.48 6.02 43.93
1967 1.77 2.37 3.79 3.60 9.14 2.90 5.27 2.67 2.33 2.47 2.37 7.58 46.26
1968 4.51 1.15 5.98 5.47 5.76 2.28 2.04 0.29 5.49 3.84 6.35 3.97 47.13
1969 2.69 4.16 1.81 7.40 1.98 2.54 1.26 5.19 2.11 2.80 4.42 6.96 43.32
1970 1.24 3.35 3.68 7.44 2.83 5.32 2.70 2.92 3.96 4.84 2.96 4.08 45.32
1971 2.42 6.65 2.61 3.10 4.15 4.55 3.44 4.19 3.78 1.20 2.06 5.13 43.28
1972 6.24 2.04 4.85 4.68 4.88 3.44 6.01 3.19 w 8.14 6.99 6.61 9.10 62.98
1973 6.11 6.12 8.49 11.44 6.21 3.42 2.78 1.94 4.76 3.75 9.56 0.00 z 64.58
1974 8.49 2.87 3.11 5.96 14.52 8.99 2.68 9.40 5.06 1.61 4.45 3.74 70.88
1975 3.55 5.14 10.50 2.58 7.72 2.36 7.71 6.23 3.22 3.92 4.14 4.47 61.54
1976 3.38 4.82 6.91 1.57 7.62 3.17 2.25 0.88 3.56 6.08 1.50 0.96 42.70
1977 2.39 2.49 5.30 4.67 2.54 3.54 3.40 2.96 10.82 2.14 8.12 3.85 52.22
1978 6.93 0.97 4.78 2.35 10.32 3.54 1.52 3.64 1.36 0.93 3.86 11.34 51.54
1979 6.62 4.52 6.76 10.27 8.88 4.95 7.05 3.22 5.93 2.55 8.27 4.57 73.59
1980 4.00 2.71 8.78 6.37 1.92 9.14 3.05 0.16 4.96 3.29 4.41 1.36 50.15
1981 1.55 2.92 4.49 2.14 6.12 5.76 6.61 2.54 1.82 4.45 1.20 3.40 43.00
1982 6.77 3.52 2.10 6.75 3.28 3.85 6.69 2.90 2.30 1.49 5.42 11.19 56.26
1983 2.27 3.93 2.43 8.20 14.54 3.00 1.67 1.74 1.07 4.31 7.52 7.43 58.11
1984 1.53 2.64 6.94 5.82 8.79 2.18 4.11 1.97 2.61 7.45 6.57 3.42 54.03
1985 3.51 3.06 2.76 3.24 3.05 4.62 4.41 4.47 4.57 6.49 4.30 1.70 46.18
1986 0.56 2.71 2.96 3.73 3.64 6.99 4.56 1.98 3.09 3.20 7.95 3.21 44.58
1987 1.11 6.18 2.48 1.91 2.16 5.78 3.97 2.62 3.19 1.93 7.04 12.62 50.99
1988 3.79 a 3.79 3.40 2.94 2.75 0.21 10.09 1.83 7.78 5.64 10.45 6.16 58.83
1989 8.78 9.31 6.78 2.68 3.20 6.74 5.72 1.50 7.19 1.48 3.64 2.21 59.23
1990 4.81 10.33 6.09 6.03 4.52 5.15 4.44 0.94 0.73 6.41 4.17 11.86 65.48
1991 2.92 7.48 3.97 7.70 10.33 6.17 2.50 1.34 3.53 2.36 3.90 10.06 62.26
1992 1.60 3.06 6.62 2.35 2.46 11.16 5.26 3.00 4.12 1.22 3.25 3.04 47.14
1993 4.19 3.41 3.85 5.43 7.12 4.35 1.10 2.23 4.24 1.71 6.68 5.65 49.96
1994 6.01 4.64 8.29 4.01 5.69 4.01 7.16 1.92 2.02 4.34 4.07 5.01 57.17
1995 4.30 1.26 3.69 2.92 4.30 5.08 6.46 4.20 1.55 1.88 5.57 2.86 44.07
1996 4.97 2.53 6.81 2.65 4.90 5.28 5.97 1.94 7.90 5.18 7.63 5.10 60.86
1997 4.33 5.89 a 13.29 5.60 3.25 9.79 4.68 6.71 3.15 2.23 2.79 3.51 65.22
1998 6.21 4.33 4.66 6.90 6.71 3.23 10.27 4.54 1.04 2.50 0.95 6.05 a 57.39
1999 8.59 1.69 3.97 4.62 4.27 5.22 4.09 0.55 0.47 4.09 3.01 4.76 45.33
2000 1.79 3.98 3.93 5.22 3.51 3.99 2.47 2.92 3.27 0.86 4.31 3.00 39.25
2001 2.67 7.19 2.81 2.48 4.87 4.82 4.71 4.65 2.27 7.37 10.89 7.73 62.46
2002 5.50 2.69 13.00 1.10 5.89 2.45 0.85 a 5.35 13.09 6.41 2.68 7.50 66.51
2003 1.45 8.66 3.56 2.34 0.00 z 6.06 2.42 3.43 2.79 4.15 5.12 3.36 43.34
2004 3.16 3.56 2.49 9.08 6.22 2.90 4.73 4.93 0.69 7.98 8.33 5.54 59.61
2005 4.66 3.67 4.10 8.54 0.36 6.87 5.46 7.27 3.95 0.14 2.84 2.04 49.90
2006 7.77 3.23 1.77 5.42 3.59 4.94 2.12 3.53 2.88 2.62 3.75 4.45 46.07
2007 5.73 1.77 1.15 3.25 0.86 2.71 1.75 0.77 6.28 8.96 2.98 5.51 41.72
2008 4.98 3.77 9.75 8.23 6.86 2.81 6.28 2.55 0.79 3.15 2.09 7.98 59.24
2009 4.07 2.15 4.90 5.59 7.52 3.61 7.38 3.01 6.21 8.09 1.65 4.42 58.60
2010 4.36 2.65 4.29 3.90 b 17.80 a 6.44 6.65 4.92 1.11 1.41 7.77 1.87 63.17
2011 2.48 3.66 5.73 a 11.12 8.34 6.15 3.75 1.67 3.29 1.11 9.59 8.03 64.92
2012 3.68 2.62 4.69 1.42 b 0.56 u 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 12.41
Period of Record Statistics
MEAN 4.74 4.11 5.13 4.91 4.86 4.13 4.09 3.29 3.45 3.14 4.24 4.80 50.95
S.D. 3.14 2.26 2.52 2.48 2.85 2.45 2.25 2.15 2.30 2.20 2.68 2.69 9.96
SKEW 1.74 0.99 0.84 1.06 1.52 1.42 1.15 0.90 1.14 1.04 1.11 0.96 0.33
MAX 20.31 12.06 13.29 14.42 17.80 13.90 12.97 10.06 13.09 10.24 12.72 13.20 75.29
MIN 0.30 0.70 0.65 1.10 0.36 0.21 0.85 0.00 0.00 0.00 0.55 0.65 32.65
NO YRS 116 118 119 117 115 117 114 115 113 116 117 116 103