LOUISVILLE WSO AIRPORT, KENTUCKY

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(154954)

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
1948 ----- z ----- z ----- z ----- z ----- z 62.57 67.32 62.87 58.83 43.06 39.60 32.06 52.33
1949 33.87 31.54 35.87 44.60 54.84 64.63 71.03 65.61 52.40 51.52 36.70 31.29 47.83
1950 35.81 29.79 32.23 41.13 56.10 62.27 64.84 62.42 58.03 50.00 31.50 21.32 45.45
1951 27.48 26.32 34.13 43.27 53.61 64.20 66.77 65.23 55.40 46.23 29.93 29.32 45.16
1952 30.74 32.14 35.19 44.17 54.32 68.80 68.16 64.61 55.03 38.61 37.20 33.03 46.83
1953 32.84 31.11 38.23 43.23 59.16 66.57 67.10 63.71 55.00 45.13 34.07 27.13 46.94
1954 27.42 34.43 33.00 50.17 49.48 64.93 68.16 67.29 60.67 48.90 37.03 29.94 47.62
1955 25.90 29.11 37.03 50.43 56.52 58.80 71.03 68.45 59.97 47.10 32.90 26.68 46.99
1956 24.71 33.72 35.55 43.70 55.23 62.90 67.23 64.87 54.30 49.48 33.50 37.29 46.87
1957 24.58 33.54 35.68 48.83 55.00 66.23 67.97 63.87 60.33 44.19 36.33 32.65 47.43
1958 25.65 18.32 33.39 45.53 53.90 61.37 68.45 65.10 59.20 46.23 37.83 21.71 44.72
1959 22.52 28.46 33.68 47.03 59.71 64.37 67.97 70.03 61.73 47.84 32.87 32.03 47.35
1960 30.94 26.69 23.55 48.07 52.16 60.70 64.32 66.65 59.73 46.19 33.97 20.81 44.48
1961 19.81 29.64 38.58 39.55 a 47.55 57.83 66.35 64.55 61.47 45.77 36.63 28.03 44.65
1962 21.32 29.18 33.74 41.53 59.45 63.37 65.39 64.00 54.70 48.65 34.77 20.58 44.72
1963 15.61 18.93 38.61 47.07 51.71 61.67 64.58 62.55 54.73 48.19 37.53 17.97 43.26
1964 24.52 23.41 34.48 46.27 55.13 63.90 65.32 64.35 57.00 39.61 35.93 29.00 44.91
1965 23.74 24.93 30.32 46.70 58.77 62.77 66.29 64.55 60.43 44.29 37.50 34.10 46.20
1966 19.68 26.82 35.42 45.13 51.03 61.00 70.29 65.45 58.93 43.32 39.07 28.90 45.42
1967 26.61 21.46 39.55 48.43 52.29 63.57 64.65 62.13 54.27 45.81 34.80 30.90 45.37
1968 22.55 21.38 34.87 46.13 54.65 63.60 67.68 68.48 58.00 45.81 39.80 27.90 45.90
1969 24.90 29.64 29.00 46.50 55.23 63.60 69.74 63.94 57.03 46.06 34.77 26.97 45.62
1970 18.32 24.54 33.65 47.50 55.81 63.30 65.65 66.48 63.87 48.00 37.13 30.90 46.26
1971 22.52 26.00 31.55 41.70 50.19 66.33 65.29 64.26 63.50 53.84 37.53 36.81 46.63
1972 25.87 25.28 34.90 45.73 54.68 59.63 67.74 66.26 63.30 46.10 38.07 31.84 46.62
1973 27.29 27.68 44.13 46.43 51.90 65.93 69.48 67.74 64.10 52.23 41.33 30.06 49.03
1974 33.68 29.93 41.03 46.83 56.13 59.63 66.10 66.55 54.63 43.71 38.40 32.23 47.40
1975 29.87 32.25 33.90 44.07 58.74 65.50 67.52 70.35 56.90 48.39 40.10 31.32 48.24
1976 22.10 34.48 41.16 43.83 51.26 63.37 66.42 63.90 56.13 42.16 29.73 22.26 44.73
1977 10.16 26.89 40.16 48.47 59.77 64.20 70.71 68.35 63.60 45.97 42.23 25.81 47.19
1978 15.42 16.11 32.29 47.43 53.97 65.40 68.94 68.06 63.00 43.77 41.13 31.55 45.59
1979 17.26 18.54 38.81 45.53 53.52 63.57 67.06 67.35 59.57 47.26 36.90 29.97 45.44
1980 26.42 21.38 32.58 42.20 56.13 62.53 71.42 71.45 63.10 43.52 36.23 29.61 46.38
1981 21.90 27.86 34.87 51.20 52.65 66.67 70.48 66.26 57.33 45.35 38.07 25.48 46.51
1982 18.48 25.96 36.19 40.13 58.52 59.87 69.16 64.32 57.57 48.42 39.63 37.13 46.28
1983 27.84 28.29 37.45 43.47 52.55 63.17 70.39 70.35 59.37 49.13 38.33 21.32 46.80
1984 21.26 31.24 31.84 45.47 52.35 66.90 65.42 66.58 56.90 55.19 34.47 37.48 47.09
1985 18.55 24.36 40.52 49.00 56.55 62.50 67.52 66.13 57.97 52.42 46.47 21.68 46.97
1986 24.16 32.21 36.71 46.23 57.65 66.03 70.87 64.06 63.77 49.71 39.40 29.84 48.39
1987 26.68 31.18 37.06 44.43 59.94 66.40 69.03 67.58 59.57 40.29 40.53 32.10 47.90
1988 22.58 25.00 35.42 44.40 54.35 62.03 69.61 69.68 59.80 41.10 36.93 27.87 45.73
1989 31.65 26.43 36.71 45.93 52.77 64.27 69.39 66.71 60.07 46.19 36.63 16.52 46.11
1990 34.32 34.68 41.71 43.93 55.32 64.63 67.84 66.71 61.97 47.13 40.70 31.26 49.18
1991 26.84 30.39 39.16 50.30 64.42 68.13 71.13 68.23 61.73 50.65 36.93 33.16 50.09
1992 28.84 34.31 37.84 47.87 53.84 62.30 69.26 63.81 58.93 46.45 40.30 31.39 47.93
1993 30.42 24.61 34.77 44.40 56.23 63.80 72.29 68.68 58.63 44.77 36.57 29.90 47.09
1994 18.87 28.11 35.48 47.60 51.71 66.57 68.97 65.26 58.00 48.77 43.33 35.48 47.35
1995 28.71 27.04 38.74 46.23 56.81 65.87 70.39 73.00 58.30 48.84 32.73 27.94 47.88
1996 24.84 29.41 31.45 42.70 59.03 65.87 67.27 a 67.76 b 58.29 b 48.74 34.30 32.61 46.86
1997 23.55 34.18 39.81 41.47 51.90 65.23 68.94 66.77 59.63 48.10 36.90 31.03 47.29
1998 35.97 36.36 39.71 47.30 60.97 66.57 70.87 69.84 64.97 51.87 42.07 34.32 51.73
1999 28.32 33.71 33.16 49.70 57.06 67.83 73.61 66.94 58.43 47.52 43.47 31.00 49.23
2000 26.32 35.38 40.58 45.23 59.48 65.73 68.39 68.03 58.72 a 50.03 36.83 18.77 47.79
2001 25.16 32.18 34.03 51.50 59.03 64.20 69.35 70.42 58.73 47.87 41.97 34.61 49.09
2002 31.87 30.96 36.45 50.30 54.65 68.77 72.19 70.48 64.80 51.10 37.40 31.90 50.07
2003 21.81 26.14 38.42 49.10 57.45 61.87 68.61 69.29 58.57 48.48 43.77 32.00 47.96
2004 24.68 29.55 42.10 49.00 62.61 67.33 68.97 65.45 61.73 52.42 44.20 28.13 49.68
2005 31.90 33.07 34.52 48.43 53.71 67.60 70.68 71.39 64.37 50.35 38.87 27.42 49.36
2006 35.26 28.75 37.81 51.20 55.45 64.53 70.55 71.10 58.33 46.35 39.63 34.16 49.43
2007 31.16 21.64 44.58 45.60 59.65 67.27 67.55 74.03 64.97 56.39 39.23 34.26 50.53
2008 26.68 30.28 37.00 47.47 54.94 69.17 70.32 68.55 63.17 48.29 36.20 28.19 48.35
2009 21.61 31.14 40.52 48.27 57.87 66.47 65.77 66.97 62.40 46.77 41.77 29.35 48.24
2010 23.55 23.86 39.23 51.30 61.81 72.23 73.84 72.77 62.37 50.00 39.20 24.81 49.58
2011 23.97 31.14 40.94 51.40 58.65 68.27 74.48 69.32 59.87 47.16 42.83 35.03 50.25
2012 29.97 33.21 48.65 48.00 a 65.11 v ----- z ----- z ----- z ----- z ----- z ----- z ----- z 39.95
Period of Record Statistics
MEAN 25.59 28.38 36.56 46.34 55.68 64.49 68.60 67.00 59.50 47.39 37.85 29.35 47.21
S.D. 5.36 4.62 4.02 2.94 3.37 2.74 2.35 2.77 3.08 3.49 3.44 4.88 1.74
SKEW -0.19 -0.57 -0.01 -0.18 0.17 -0.01 0.27 0.41 -0.06 -0.04 -0.01 -0.73 0.26
MAX 35.97 36.36 48.65 51.50 64.42 72.23 74.48 74.03 64.97 56.39 46.47 37.48 51.73
MIN 10.16 16.11 23.55 39.55 47.55 57.83 64.32 62.13 52.40 38.61 29.73 16.52 43.26
NO YRS 64 64 64 64 63 64 64 64 64 64 64 64 63