CARROLLTON LOCK 1, KENTUCKY

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 41.6 46.6 57.9 68.7 76.9 84.2 86.9 85.6 80.3 70.4 58.4 46.5 67.0
Highest Mean Max. Temperature (F) 52.5 57.4 65.7 74.9 85.8 91.3 92.9 95.0 85.8 80.4 66.1 55.4 70.6
Year Highest Occurred 1990 1976 1976 1985 1987 1988 1988 1983 1987 1963 1987 1971 1987
Lowest Mean Max. Temperature (F) 28.1 33.5 49.7 61.5 70.3 79.1 82.3 82.2 73.5 63.7 51.5 33.1 64.5
Year Lowest Occurred 1977 1978 1984 1961 1989 1974 1979 1971 1974 1976 1976 1989 1978
Mean Temperature (F) 31.8 35.7 46.1 55.9 64.5 72.5 75.9 74.5 68.6 57.4 47.4 36.8 55.6
Highest Mean Temperature (F) 42.4 45.3 53.9 61.4 71.1 76.0 79.8 81.7 73.3 64.1 53.0 46.4 57.4
Year Highest Occurred 1990 1976 1973 1985 1962 1984 1983 1983 1970 1984 1985 1982 1990
Lowest Mean Temperature (F) 17.3 23.3 39.6 50.6 60.3 68.9 73.1 70.7 63.6 48.5 39.1 23.9 53.5
Year Lowest Occurred 1977 1978 1969 1961 1961 1982 1967 1967 1974 1988 1976 1989 1978
Mean Min. Temperature (F) 21.9 24.7 34.3 43.1 52.0 60.7 64.9 63.4 56.9 44.3 36.3 27.2 44.1
Highest Mean Min. Temperature (F) 32.2 33.2 42.2 48.4 58.2 64.4 67.7 68.3 62.2 53.2 43.6 37.5 46.5
Year Highest Occurred 1990 1976 1973 1981 1962 1971 1980 1983 1970 1984 1985 1982 1973
Lowest Mean Min. Temperature (F) 6.4 13.0 26.8 37.8 47.3 54.3 61.0 58.4 51.8 33.0 26.7 14.7 39.9
Year Lowest Occurred 1977 1978 1969 1988 1988 1988 1984 1986 1967 1988 1976 1989 1988
Mean Precipitation (in.) 2.70 2.99 4.55 4.05 4.50 3.72 4.19 3.64 2.98 2.91 3.40 3.38 43.01
Highest Precipitation (in.) 6.23 7.06 14.00 6.86 10.10 7.03 10.20 6.44 10.57 12.32 7.78 8.18 60.90
Year Highest Occurred 1982 1971 1964 1970 1990 1973 1986 1974 1979 1983 1972 1990 1990
Lowest Precipitation (in.) 0.38 0.39 0.91 0.56 0.63 0.35 0.98 1.38 0.63 0.23 0.60 0.50 27.84
Year Lowest Occurred 1981 1978 1979 1962 1965 1988 1983 1964 1985 1963 1976 1965 1963
Heating Degree Days (F) 1029. 820. 586. 282. 115. 0. 0. 0. 36. 267. 528. 874. 4537.
Cooling Degree Days (F) 0. 0. 0. 9. 99. 228. 338. 298. 144. 32. 0. 0. 1148.

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