KNOXVILLE WSO AIRPORT, TENNESSEE

Monthly Average Maximum 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 46.61 49.00 b 69.10 67.87 72.84 80.40 84.68 84.84 82.63 73.23 53.77 41.81 67.23
1911 51.19 55.82 59.13 66.97 82.26 86.70 85.84 86.77 87.13 73.26 53.73 52.65 70.12
1912 40.68 44.55 55.26 70.23 78.16 82.53 86.13 84.65 84.40 72.55 57.43 47.84 67.03
1913 57.06 50.04 60.42 68.33 78.87 86.70 89.87 89.87 79.83 68.06 61.93 51.03 70.17
1914 50.03 48.07 53.90 69.43 80.23 90.37 88.35 85.90 80.53 70.35 59.40 42.61 68.27
1915 46.52 52.46 49.97 74.47 79.55 81.93 86.45 83.42 82.77 72.94 62.27 47.45 68.35
1916 54.35 49.93 59.29 67.67 81.65 82.63 86.19 86.16 79.57 71.23 59.93 48.23 68.90
1917 51.74 50.21 58.58 72.90 71.26 81.87 85.26 83.42 78.07 64.45 57.23 40.87 66.32
1918 36.03 55.57 66.29 65.73 81.42 84.07 83.77 89.55 74.87 72.39 56.93 54.55 68.43
1919 48.23 48.57 62.13 70.10 76.19 86.53 89.55 85.00 83.63 77.00 59.63 48.97 69.63
1920 50.13 46.55 58.32 67.50 75.77 83.27 86.00 81.68 80.70 73.26 54.17 48.26 67.13
1921 50.00 53.36 70.03 71.30 76.29 88.33 88.00 85.32 87.47 69.68 60.07 52.23 71.01
1922 46.77 54.79 61.10 70.60 78.16 85.33 86.29 83.74 84.33 72.29 59.07 55.16 69.80
1923 51.65 47.29 60.29 69.17 74.90 84.73 86.32 85.81 83.10 70.90 56.90 57.39 69.04
1924 44.68 47.41 53.84 67.90 72.84 86.10 84.84 88.87 75.50 72.32 60.13 48.39 66.90
1925 48.52 57.54 62.39 73.57 74.52 89.33 90.81 90.39 91.03 64.94 55.20 47.00 70.43
1926 45.26 52.96 52.16 66.87 79.29 83.63 89.10 87.26 85.90 70.03 53.57 49.55 67.96
1927 47.58 58.25 60.74 72.20 79.39 81.70 88.26 82.90 84.83 74.84 61.87 49.58 70.18
1928 47.23 50.76 58.61 65.60 75.84 80.97 87.81 86.58 76.60 71.68 57.60 50.90 67.51
1929 49.16 46.43 63.03 72.47 75.42 83.30 86.23 85.35 80.20 66.74 53.60 48.26 67.52
1930 49.52 58.75 57.45 73.23 78.84 86.10 92.23 88.10 83.13 67.35 57.17 42.81 69.56
1931 48.77 54.32 52.90 69.07 76.74 89.63 91.61 86.06 88.37 74.97 66.23 56.16 71.24
1932 56.94 59.28 55.29 70.13 78.26 87.20 90.45 88.29 82.23 69.71 55.83 50.97 70.38
1933 54.61 50.07 58.84 70.50 83.00 88.67 89.58 85.81 87.43 72.94 59.23 57.39 71.51
1934 50.93 a 45.32 59.39 71.43 81.13 89.57 91.61 87.29 83.73 72.94 62.53 47.13 70.25
1935 49.32 51.07 66.90 67.30 78.10 84.20 89.94 89.65 85.83 75.00 59.27 39.74 69.69
1936 43.23 46.69 63.42 68.07 84.39 92.43 89.94 90.68 86.70 71.74 56.73 53.06 70.59
1937 58.90 49.54 57.84 69.07 79.29 87.27 88.39 88.81 81.43 66.39 54.63 47.32 69.07
1938 48.65 57.89 67.32 71.90 78.10 82.47 87.97 89.94 81.83 76.06 62.40 48.61 71.09
1939 52.23 57.86 63.37 a 67.27 79.61 88.17 89.39 88.39 87.97 75.90 57.23 50.61 71.50
1940 34.52 48.45 56.45 67.80 77.19 85.83 86.39 86.71 82.03 74.39 57.80 55.29 67.74
1941 48.90 45.43 53.68 73.73 83.39 86.37 88.55 88.94 88.40 77.94 59.20 53.13 70.64
1942 47.39 45.11 62.06 75.53 79.58 87.67 88.90 a 84.90 80.70 72.29 62.20 47.45 69.48
1943 52.65 53.75 58.03 68.90 81.10 91.63 88.52 91.03 79.17 69.10 59.40 48.42 70.14
1944 50.45 56.07 60.03 68.90 84.19 90.77 89.58 87.58 81.40 71.03 55.40 44.81 70.02
1945 47.00 52.82 70.61 72.50 74.87 84.77 88.16 88.16 85.27 70.39 61.23 42.77 69.88
1946 48.94 55.21 68.97 72.80 76.94 84.90 88.81 85.16 81.10 73.19 64.70 54.48 71.27
1947 52.19 43.79 51.45 73.50 77.68 85.17 85.32 89.67 g 84.17 a 76.87 55.70 53.00 67.17
1948 40.87 53.17 64.55 75.40 78.90 87.27 88.94 87.26 82.53 69.48 61.90 50.61 70.07
1949 57.23 57.64 60.58 66.83 80.87 87.03 90.74 86.35 78.03 74.68 58.63 53.26 70.99
1950 60.58 56.39 58.52 67.63 81.26 84.70 84.48 84.16 78.93 75.84 54.33 43.87 69.23
1951 51.68 55.25 59.77 67.63 80.13 86.37 90.61 89.71 83.13 74.32 52.47 53.71 70.40
1952 54.94 54.97 59.90 70.63 79.71 92.53 93.00 86.65 82.63 69.87 57.63 49.23 70.97
1953 54.29 54.36 63.61 67.53 81.94 89.57 88.84 90.87 84.23 77.06 61.33 49.35 71.92
1954 49.45 58.71 59.39 77.03 73.06 88.23 93.48 90.45 89.50 72.90 56.43 47.00 71.30
1955 46.97 54.14 62.81 74.50 81.52 81.13 89.48 91.52 87.40 70.42 57.57 47.90 70.45
1956 44.35 56.28 61.16 67.43 80.58 85.67 87.13 89.29 79.53 74.23 58.40 60.00 70.34
1957 49.65 58.68 58.06 74.80 81.19 86.27 90.61 89.55 81.50 65.61 60.20 53.17 a 70.77
1958 43.94 42.14 53.35 69.90 78.61 86.47 87.23 87.19 83.73 72.06 62.50 47.32 67.87
1959 47.45 53.43 58.45 70.97 81.81 85.97 88.58 89.48 83.57 71.81 58.33 51.58 70.12
1960 48.42 48.03 45.58 73.57 77.10 84.77 88.81 87.52 82.43 71.94 60.57 44.90 67.80
1961 44.10 56.64 61.81 62.90 72.68 80.27 83.94 83.87 84.30 71.06 60.63 47.55 67.48
1962 45.48 58.46 55.97 65.93 87.42 84.47 88.65 89.68 81.27 73.97 56.23 46.23 69.48
1963 44.23 45.86 67.29 71.90 76.84 81.67 83.16 85.84 80.73 76.52 57.30 37.52 67.40
1964 46.97 44.55 59.10 70.90 78.74 86.53 85.29 82.90 81.27 66.65 62.67 52.29 68.15
1965 49.35 50.43 55.77 73.07 83.87 82.87 86.87 87.52 83.50 70.48 62.07 53.48 69.94
1966 41.42 49.11 62.23 68.80 76.06 85.80 89.32 84.13 77.87 69.03 58.13 48.10 67.50
1967 51.42 46.57 66.94 75.13 73.55 83.07 80.19 81.61 75.77 70.23 54.83 53.71 67.75
1968 45.84 43.62 62.55 69.73 75.48 83.87 87.39 89.58 80.10 69.35 57.50 46.84 67.65
1969 44.52 46.93 52.58 70.57 78.97 84.17 88.61 84.00 78.93 69.58 56.73 45.03 66.72
1970 39.84 49.29 58.71 72.63 80.06 82.87 88.35 85.58 84.80 72.68 58.10 53.65 68.88
1971 47.52 50.46 55.71 71.37 74.10 85.93 83.13 85.26 81.57 74.71 57.73 58.35 68.82
1972 51.81 48.59 57.65 69.90 74.19 81.33 84.00 84.74 81.27 66.39 54.77 52.10 67.23
1973 46.32 49.89 65.77 64.97 74.16 83.37 84.48 85.26 83.53 73.45 63.10 50.26 68.71
1974 56.65 52.82 65.10 71.27 77.55 79.83 87.06 85.13 78.00 71.61 61.27 50.19 69.71
1975 52.97 54.89 56.29 69.27 79.97 85.07 87.71 88.58 78.50 70.23 61.67 51.03 69.68
1976 43.74 61.10 63.81 73.23 74.39 84.17 86.29 85.77 77.97 64.74 53.27 48.32 68.07
1977 35.42 53.68 66.32 75.03 81.03 85.97 90.23 88.10 82.03 67.39 61.13 50.32 69.72
1978 36.81 42.89 59.35 72.97 75.97 85.67 88.03 85.16 84.57 71.29 64.00 53.77 68.37
1979 41.29 45.14 63.87 70.77 77.13 82.30 81.52 86.52 80.20 69.90 61.87 52.16 67.72
1980 48.39 46.10 57.74 71.33 78.61 85.17 92.52 92.26 82.50 66.39 56.63 50.48 69.01
1981 42.45 53.79 58.03 74.57 74.19 86.07 90.48 86.84 80.20 68.61 60.60 46.39 68.52
1982 43.84 52.25 63.90 66.40 81.42 81.90 86.26 85.81 79.60 70.35 61.23 55.87 69.07
1983 46.65 51.43 61.23 64.80 76.58 83.77 89.87 91.00 82.27 72.23 59.20 45.77 68.73
1984 44.55 56.31 59.13 68.03 75.23 87.47 83.81 83.61 80.80 78.65 59.27 58.97 69.65
1985 38.42 47.29 63.55 73.03 77.03 85.17 87.00 84.74 82.97 74.42 66.53 45.81 68.83
1986 48.52 55.29 63.74 73.93 80.23 89.50 93.94 87.55 83.03 71.55 60.40 47.65 71.28
1987 45.03 51.39 62.13 67.07 83.65 87.23 90.32 92.16 82.57 68.65 64.23 54.00 70.70
1988 44.10 51.97 63.97 70.63 79.74 89.57 90.16 90.97 81.73 64.90 62.47 51.71 70.16
1989 54.29 50.11 65.71 70.07 73.94 82.57 86.74 87.10 79.97 72.52 59.43 40.74 68.60
1990 54.52 60.00 63.68 70.53 76.68 86.47 88.61 88.42 83.23 71.61 64.77 54.35 71.91
1991 48.84 54.39 62.61 73.47 82.45 83.87 89.03 86.48 81.47 73.81 57.00 52.65 70.51
1992 49.77 56.07 59.29 70.50 74.42 81.70 86.71 82.68 80.47 68.35 58.07 46.42 67.87
1993 51.45 49.46 54.68 68.00 78.06 87.27 95.19 89.35 81.80 69.06 59.37 47.77 69.29
1994 39.61 54.75 61.00 74.43 75.61 86.57 85.61 85.42 79.87 71.32 65.87 54.13 69.52
1995 47.55 49.32 65.23 73.17 78.19 84.20 92.55 92.81 80.70 70.16 53.93 45.35 69.43
1996 45.52 49.69 55.10 66.90 79.74 84.47 85.77 85.84 78.47 70.16 52.73 53.00 67.28
1997 48.19 55.46 65.06 65.20 73.52 79.73 88.00 86.35 82.43 69.74 51.83 46.87 67.70
1998 50.81 53.79 58.61 66.97 80.61 85.30 88.45 88.19 88.43 74.52 60.37 52.55 70.72
1999 53.23 53.89 55.58 71.53 78.00 85.30 87.23 88.84 83.33 70.84 64.40 53.10 70.44
2000 45.97 57.83 64.74 66.23 80.00 84.00 a 86.71 86.48 80.70 73.87 56.47 42.03 68.75
2001 43.94 55.89 55.55 72.43 78.94 83.00 86.94 86.26 78.03 69.87 68.17 54.65 69.47
2002 51.42 51.82 61.84 73.87 76.35 87.73 88.03 89.81 84.80 70.19 55.13 49.16 70.01
2003 41.81 48.36 64.35 70.80 76.39 81.63 84.94 86.94 79.47 69.52 63.63 48.45 68.02
2004 46.55 49.00 64.23 69.70 81.71 82.80 85.94 82.87 79.63 72.74 61.77 50.19 68.93
2005 52.00 52.75 59.45 69.93 75.48 84.47 86.90 88.71 86.50 72.42 63.77 46.61 69.92
2006 55.35 50.61 61.74 75.00 76.00 86.60 90.10 89.84 77.63 67.29 59.93 56.00 70.51
2007 50.58 48.50 69.13 67.40 82.48 88.53 87.13 94.74 86.43 76.97 61.00 55.48 72.37
2008 46.94 53.66 60.65 69.67 77.23 87.60 88.48 87.58 83.20 70.94 56.27 51.29 69.46
2009 46.23 53.93 61.19 70.13 77.06 85.83 83.42 85.52 79.37 67.35 61.77 47.19 68.25
2010 42.00 41.86 57.03 74.80 81.61 90.37 91.87 91.42 84.60 73.32 62.47 40.65 69.33
2011 44.19 57.29 62.39 75.47 79.00 88.87 91.94 92.06 79.53 68.94 62.27 54.84 71.40
2012 52.68 55.83 71.65 72.86 a 82.78 v ----- z ----- z ----- z ----- z ----- z ----- z ----- z 63.25
Period of Record Statistics
MEAN 47.96 51.80 60.53 70.44 78.30 85.42 87.96 87.24 82.19 71.38 59.17 49.79 69.33
S.D. 5.06 4.52 4.72 2.99 3.10 2.82 2.70 2.67 3.18 3.10 3.47 4.49 1.37
SKEW -0.21 -0.17 -0.18 -0.06 0.11 0.23 -0.05 0.26 0.30 -0.05 0.07 -0.26 0.00
MAX 60.58 61.10 71.65 77.03 87.42 92.53 95.19 94.74 91.03 78.65 68.17 60.00 72.37
MIN 34.52 41.86 45.58 62.90 71.26 79.73 80.19 81.61 74.87 64.45 51.83 37.52 66.32
NO YRS 103 103 103 103 102 102 102 101 102 102 102 102 101