LOUISVILLE WSO AIRPORT, KENTUCKY

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 40.3 44.8 56.3 67.3 76.0 83.5 87.0 85.7 80.3 69.2 56.8 45.1 66.0
Highest Mean Max. Temperature (F) 51.9 56.2 63.5 73.5 83.2 89.2 91.7 92.9 85.3 79.5 63.3 54.3 69.6
Year Highest Occurred 1990 1976 1976 1981 1962 1988 1983 1983 1961 1963 1990 1984 1990
Lowest Mean Max. Temperature (F) 26.9 31.5 47.4 59.1 70.5 77.0 82.7 81.6 72.5 63.4 50.0 34.1 64.2
Year Lowest Occurred 1977 1978 1965 1961 1961 1974 1979 1967 1974 1988 1976 1989 1966
Mean Temperature (F) 31.7 35.7 46.3 56.3 65.3 73.2 77.2 75.8 69.5 57.6 47.1 36.9 56.1
Highest Mean Temperature (F) 43.1 45.4 53.7 62.4 71.5 77.7 81.1 81.7 73.5 64.3 53.7 45.9 59.4
Year Highest Occurred 1990 1976 1973 1981 1987 1984 1983 1983 1978 1971 1985 1984 1990
Lowest Mean Temperature (F) 18.6 23.8 38.9 49.2 59.0 67.9 73.7 71.5 63.0 52.3 39.3 25.3 54.3
Year Lowest Occurred 1977 1978 1965 1961 1961 1974 1967 1967 1974 1988 1976 1989 1963
Mean Min. Temperature (F) 23.2 26.5 36.2 45.4 54.7 62.9 67.3 65.8 58.7 45.8 37.3 28.6 46.0
Highest Mean Min. Temperature (F) 34.3 34.7 44.1 51.2 59.9 66.9 70.9 70.7 63.8 55.2 46.5 37.5 49.2
Year Highest Occurred 1990 1990 1973 1981 1987 1984 1986 1980 1986 1984 1985 1984 1990
Lowest Mean Min. Temperature (F) 10.2 16.1 29.0 39.3 47.5 57.0 63.8 61.3 53.2 38.5 28.6 16.5 42.8
Year Lowest Occurred 1977 1978 1969 1961 1961 1961 1967 1967 1967 1964 1976 1989 1963
Mean Precipitation (in.) 2.86 3.30 4.66 4.23 4.62 3.46 4.51 3.54 3.16 2.71 3.70 3.64 44.39
Highest Precipitation (in.) 5.90 9.02 14.91 11.10 11.57 7.59 10.05 8.79 10.49 6.47 7.59 8.86 59.80
Year Highest Occurred 1978 1989 1964 1970 1990 1977 1979 1974 1979 1983 1973 1990 1979
Lowest Precipitation (in.) 0.45 0.76 1.02 0.76 1.37 0.49 0.99 0.91 0.96 0.39 0.72 0.65 32.65
Year Lowest Occurred 1981 1978 1966 1976 1977 1984 1983 1973 1978 1987 1976 1976 1987
Heating Degree Days (F) 1032. 820. 580. 273. 105. 6. 0. 0. 36. 254. 537. 871. 4514.
Cooling Degree Days (F) 0. 0. 0. 12. 115. 252. 378. 335. 171. 25. 0. 0. 1288.

Southeast Regional Climate Center, sercc@climate.ncsu.edu