KNOXVILLE WSO AIRPORT, TENNESSEE

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(404950)

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
1910 29.77 30.77 b 45.55 47.73 53.39 62.07 68.39 66.23 63.70 50.94 33.33 26.90 48.23
1911 34.97 38.61 38.87 46.70 58.52 65.73 65.90 67.97 67.07 54.58 35.33 37.19 50.95
1912 24.87 27.62 37.90 48.93 56.81 62.33 68.32 66.10 64.33 49.42 34.53 31.61 47.73
1913 35.77 31.82 39.97 46.63 56.84 63.53 70.32 67.74 60.47 46.45 38.73 34.35 49.39
1914 33.16 30.18 35.10 47.07 56.00 68.47 66.55 66.71 59.47 52.10 36.13 30.94 48.49
1915 31.00 35.21 32.35 49.40 58.65 63.17 67.06 65.35 62.73 51.32 40.87 32.19 49.11
1916 35.68 29.97 36.06 46.97 57.87 62.93 69.26 67.90 57.73 47.71 37.67 29.71 48.29
1917 34.97 28.54 39.23 47.97 50.48 60.87 67.10 65.16 59.37 40.29 37.73 24.23 46.33
1918 22.42 35.61 44.87 48.40 59.13 65.47 64.16 68.97 55.40 55.03 40.30 40.55 50.03
1919 29.97 32.21 40.00 47.07 57.23 66.87 69.48 67.00 60.57 60.77 42.37 33.10 50.55
1920 32.71 31.79 37.68 46.43 56.26 63.57 66.42 65.71 62.63 47.42 36.57 33.61 48.40
1921 33.81 35.79 47.35 47.43 56.10 68.13 69.23 67.94 67.40 45.77 41.57 36.58 51.42
1922 32.61 38.93 42.61 51.50 58.29 66.20 68.32 64.26 62.70 49.03 39.10 38.13 50.97
1923 36.26 31.43 37.74 45.63 55.52 65.20 66.81 66.68 61.67 47.45 38.20 38.32 49.24
1924 24.87 33.03 37.13 48.10 52.32 66.40 66.39 67.87 57.03 48.52 41.27 31.97 47.91
1925 34.55 37.00 41.81 53.23 53.58 67.40 69.06 66.55 68.40 48.97 38.40 31.39 50.86
1926 31.35 35.36 33.68 44.17 55.94 62.80 67.39 68.61 67.77 51.71 34.90 33.65 48.94
1927 32.68 42.50 41.94 51.67 58.06 64.23 67.45 64.52 61.60 51.26 43.47 31.58 50.91
1928 29.55 32.90 38.94 45.63 54.45 62.77 68.13 68.10 57.53 52.29 39.60 32.13 48.50
1929 32.10 31.43 43.58 51.03 56.84 63.53 67.55 65.48 61.80 48.13 41.27 30.52 49.44
1930 31.10 36.96 36.65 49.47 58.19 62.93 69.13 64.87 64.70 47.55 39.67 30.90 49.34
1931 31.16 35.14 36.23 47.57 55.26 65.27 70.42 66.03 65.17 51.45 45.13 42.23 50.92
1932 39.97 41.41 35.81 49.13 57.03 66.47 69.32 68.39 61.87 48.84 36.00 35.32 50.80
1933 38.90 31.50 39.13 48.13 61.90 65.77 69.13 67.68 64.97 49.90 39.53 40.10 51.39
1934 35.06 28.07 37.55 48.60 57.39 66.83 70.77 69.42 61.97 50.26 40.80 31.71 49.87
1935 33.45 34.18 45.19 50.53 57.45 63.00 69.45 69.26 61.67 49.81 42.33 25.48 50.15
1936 26.32 28.79 42.03 46.37 59.45 66.97 70.97 69.68 65.47 52.16 37.17 36.74 50.18
1937 44.00 31.25 36.90 47.77 56.58 67.07 67.55 69.65 60.67 47.65 35.73 31.77 49.72
1938 31.97 40.64 46.77 50.30 58.42 64.00 68.81 69.10 62.03 48.03 38.43 31.13 50.80
1939 32.97 36.25 41.77 a 46.60 57.61 68.13 68.19 66.71 63.83 51.26 36.87 34.10 50.36
1940 18.87 31.93 37.97 47.67 53.61 65.33 67.48 68.10 57.27 48.23 39.43 37.03 47.74
1941 32.45 27.82 34.23 51.77 57.58 66.07 69.94 69.23 63.27 56.26 36.87 37.16 50.22
1942 27.87 27.18 38.26 47.57 56.00 65.73 68.23 a 65.23 57.80 47.58 40.13 30.55 47.68
1943 32.23 30.43 34.48 45.17 58.35 68.17 67.42 66.87 56.63 44.48 34.30 31.19 47.48
1944 31.26 37.07 38.81 45.73 59.32 66.47 67.26 67.52 62.17 47.81 38.67 29.48 49.30
1945 29.00 34.25 47.29 48.43 53.26 63.03 67.42 66.19 63.70 46.23 39.97 27.16 48.83
1946 31.35 32.18 46.74 50.53 56.13 63.23 67.97 63.71 59.27 47.48 42.47 33.90 49.58
1947 34.71 22.57 31.00 50.30 53.19 63.40 63.84 69.12 g 61.38 a 55.16 39.90 29.90 45.94
1948 23.55 35.83 43.87 51.60 55.77 64.67 69.35 65.84 60.53 44.45 42.00 34.16 49.30
1949 39.71 37.86 38.32 46.67 56.74 66.00 70.39 67.48 56.97 55.74 35.30 32.90 50.34
1950 43.35 35.43 36.32 43.90 59.74 64.77 66.42 64.16 59.93 51.90 32.37 26.84 48.76
1951 32.10 32.75 39.42 46.00 53.81 64.53 67.90 68.06 60.70 49.52 32.93 33.23 48.41
1952 38.10 35.79 38.16 48.03 57.23 70.30 69.19 67.68 58.10 41.81 35.33 32.26 49.33
1953 35.00 35.07 40.94 44.90 61.16 66.33 67.55 65.94 58.70 49.43 a 34.53 29.26 49.07
1954 30.13 35.25 37.19 52.20 51.42 64.70 70.00 69.26 62.50 50.13 35.67 30.03 49.04
1955 30.48 32.61 41.68 51.20 59.23 59.77 70.19 69.42 63.60 47.19 34.13 29.68 49.10
1956 27.71 38.17 38.77 45.73 59.10 63.40 67.87 67.45 58.63 52.87 36.03 42.81 49.88
1957 33.06 40.54 39.35 50.80 58.55 67.03 68.61 65.77 63.80 47.48 40.93 34.48 50.87
1958 27.23 21.71 38.32 48.07 57.84 64.90 69.68 67.13 60.50 47.52 40.33 27.55 47.56
1959 26.97 34.04 35.68 49.03 61.10 63.87 68.35 69.00 62.70 52.94 35.10 33.52 49.36
1960 33.06 29.10 27.94 49.00 54.65 64.77 67.97 68.81 63.70 51.68 36.93 25.55 47.76
1961 24.29 36.71 41.39 42.50 51.42 61.10 64.77 64.42 60.53 44.74 42.83 32.29 47.25
1962 28.35 35.93 37.52 43.37 60.65 64.30 67.97 66.68 60.53 51.00 36.57 27.81 48.39
1963 22.55 24.00 42.81 49.70 54.94 62.97 64.00 65.16 58.10 47.52 37.20 22.77 45.98
1964 25.61 27.62 36.16 50.13 55.06 63.63 65.97 64.48 58.70 44.26 41.80 34.74 47.35
1965 30.84 29.04 37.81 51.70 60.74 64.87 69.03 67.42 63.53 47.42 41.33 32.52 49.69
1966 26.48 34.00 38.61 49.00 56.06 62.67 69.29 65.77 59.80 45.97 40.10 31.90 48.31
1967 32.35 29.46 42.45 50.23 53.45 63.17 63.32 64.71 55.27 46.10 33.57 35.42 47.46
1968 28.29 22.93 37.19 48.30 55.00 63.17 67.00 67.13 58.00 48.13 38.67 27.23 46.75
1969 28.35 31.86 31.52 48.30 55.55 64.70 69.19 65.03 59.70 48.58 34.17 30.29 47.27
1970 21.26 29.29 38.68 49.80 57.06 63.90 68.55 68.61 65.77 52.90 38.13 34.55 49.04
1971 29.48 28.32 35.35 45.47 53.71 65.77 67.68 66.71 64.90 55.77 39.57 42.32 49.59
1972 33.06 30.24 38.68 49.03 55.61 60.33 66.87 67.03 62.53 47.19 40.07 37.42 49.01
1973 29.74 29.82 45.81 47.67 52.77 66.10 68.77 67.13 64.03 51.19 41.73 31.87 49.72
1974 41.90 33.36 45.26 48.20 58.65 61.13 68.23 67.90 61.47 45.52 40.17 33.45 50.44
1975 33.61 36.00 36.94 45.67 60.10 63.97 67.39 68.94 59.30 49.87 38.67 31.10 49.29
1976 24.84 35.31 41.29 44.57 52.32 63.50 66.10 64.00 57.40 44.29 32.97 26.65 46.10
1977 18.90 29.14 43.61 50.80 58.52 64.57 70.26 69.68 66.00 47.29 44.13 29.97 49.41
1978 21.97 26.18 38.55 49.13 57.06 65.10 69.35 68.97 65.00 45.06 44.83 31.81 48.58
1979 24.74 28.29 42.32 48.93 56.74 63.30 68.35 68.71 64.17 46.71 40.90 32.13 48.77
1980 34.84 27.07 37.52 46.80 57.58 65.10 71.65 71.06 64.83 45.58 38.03 29.71 49.15
1981 24.29 29.86 35.48 52.27 53.45 68.10 72.16 69.81 60.10 49.13 38.23 30.94 48.65
1982 23.74 33.93 42.03 43.93 57.13 63.20 68.87 67.61 60.40 48.61 40.60 36.77 48.90
1983 29.32 30.79 38.13 41.63 54.13 61.07 67.10 68.19 58.30 48.10 35.57 27.00 46.61
1984 26.06 30.48 36.19 46.47 50.29 62.03 62.74 64.61 53.43 56.65 33.27 36.03 46.52
1985 20.42 26.82 36.94 44.07 54.39 59.83 66.03 65.55 54.03 52.94 47.00 23.84 45.99
1986 21.39 32.43 33.71 43.27 56.03 64.90 68.94 65.94 62.53 48.77 44.43 30.52 47.74
1987 28.58 32.93 36.23 42.90 58.87 63.73 66.71 67.00 57.50 37.00 36.13 32.94 46.71
1988 23.71 26.79 36.13 43.77 50.26 59.23 67.23 68.06 60.80 40.39 36.77 29.13 45.19
1989 31.32 32.39 41.29 45.37 50.84 64.00 68.19 66.39 61.83 46.16 36.73 23.61 47.34
1990 34.94 37.71 43.48 45.17 55.03 64.17 67.35 67.35 61.00 48.19 39.43 35.68 49.96
1991 33.55 33.14 41.32 52.00 61.55 65.90 69.61 66.52 61.27 48.16 37.17 34.39 50.38
1992 31.16 35.48 37.23 47.40 53.61 62.63 69.13 64.71 62.03 46.26 38.53 33.55 48.48
1993 35.52 29.46 36.58 44.30 55.77 64.67 70.84 67.97 59.30 46.71 37.27 32.61 48.42
1994 24.29 31.96 37.94 49.43 52.16 66.27 67.90 66.06 58.13 48.94 41.20 35.55 48.32
1995 30.81 32.04 40.97 48.83 56.42 63.27 67.90 70.23 60.23 46.97 33.20 28.74 48.30
1996 27.29 29.62 34.35 43.27 58.97 63.93 67.77 66.45 59.27 48.16 35.37 33.65 47.34
1997 30.61 37.61 43.29 42.83 50.87 64.00 68.74 65.03 60.87 48.06 35.90 31.45 48.27
1998 34.84 38.18 40.23 47.63 60.68 66.50 70.26 67.23 63.57 49.16 39.77 36.16 51.18
1999 33.40 a 34.25 34.87 50.87 54.39 64.63 69.97 66.60 a 56.47 46.23 41.03 31.58 48.69
2000 28.97 34.34 41.74 45.50 59.81 65.37 67.90 67.19 60.57 48.06 38.33 25.97 48.65
2001 26.97 35.68 37.03 50.93 57.84 62.83 69.03 68.61 58.30 43.94 40.17 36.52 48.99
2002 31.65 30.79 38.81 51.37 54.13 65.37 70.23 67.97 64.93 55.61 37.63 32.13 50.05
2003 25.87 33.32 42.13 50.00 58.48 62.60 67.65 68.71 59.23 47.45 42.37 28.42 48.85
2004 28.00 31.66 42.26 47.33 59.87 66.43 67.48 64.61 60.73 54.84 44.37 29.52 49.76
2005 34.00 35.25 37.39 47.27 52.65 65.47 69.94 69.90 61.63 49.77 38.70 28.55 49.21
2006 35.90 30.75 39.87 52.13 55.00 64.17 68.68 70.97 58.83 46.32 37.80 32.61 49.42
2007 31.68 27.82 44.77 44.80 57.48 64.93 67.84 71.74 62.97 53.10 37.57 35.52 50.02
2008 27.10 32.69 38.16 48.80 55.65 65.67 67.23 66.45 62.77 47.19 35.30 32.87 48.32
2009 27.03 31.64 41.35 46.60 57.94 66.13 65.55 67.19 64.07 48.55 40.00 30.81 48.91
2010 26.58 27.71 37.68 49.20 59.94 69.43 71.74 71.35 61.70 46.74 39.43 25.00 48.88
2011 27.71 35.11 43.42 51.20 57.10 67.03 71.58 68.10 60.20 46.97 40.00 35.16 50.30
2012 33.81 36.48 49.06 49.86 a 64.44 v ----- z ----- z ----- z ----- z ----- z ----- z ----- z 42.30
Period of Record Statistics
MEAN 30.37 32.49 39.27 47.87 56.36 64.56 68.20 67.25 61.18 48.83 38.54 32.16 48.92
S.D. 5.05 4.07 3.82 2.63 2.75 2.07 1.78 1.78 2.98 3.66 3.08 4.05 1.33
SKEW 0.08 -0.12 0.12 -0.20 -0.27 -0.04 -0.53 0.11 -0.03 0.20 0.17 0.16 -0.40
MAX 44.00 42.50 49.06 53.23 61.90 70.30 72.16 71.74 68.40 60.77 47.00 42.81 51.42
MIN 18.87 21.71 27.94 41.63 50.26 59.23 62.74 63.71 53.43 37.00 32.37 22.77 45.19
NO YRS 103 103 103 103 102 102 102 101 102 102 102 102 101