GRAYSON 3 SW, KENTUCKY

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 41.0 44.8 56.4 66.8 75.7 82.8 86.2 85.2 79.3 69.0 57.3 45.8 65.9
Highest Mean Max. Temperature (F) 50.9 55.5 63.8 73.7 83.3 86.9 90.7 90.8 84.9 79.4 64.3 55.1 68.3
Year Highest Occurred 1990 1976 1973 1981 1962 1988 1988 1983 1970 1963 1975 1971 1990
Lowest Mean Max. Temperature (F) 27.5 33.4 49.9 58.8 69.8 76.4 81.9 81.3 73.8 60.2 49.3 35.1 64.1
Year Lowest Occurred 1977 1978 1984 1961 1989 1972 1979 1985 1974 1976 1976 1989 1979
Mean Temperature (F) 29.5 32.4 42.5 51.7 60.7 69.0 73.5 72.5 65.7 53.9 44.1 34.5 52.5
Highest Mean Temperature (F) 40.0 40.9 50.1 56.6 66.9 72.3 76.5 77.0 70.3 61.6 51.3 43.5 54.7
Year Highest Occurred 1974 1976 1973 1981 1962 1984 1983 1980 1970 1971 1985 1971 1990
Lowest Mean Temperature (F) 16.7 20.4 36.3 46.7 56.4 63.8 70.7 69.2 61.6 47.0 36.4 22.8 50.8
Year Lowest Occurred 1977 1978 1969 1961 1961 1972 1967 1986 1967 1987 1976 1989 1963
Mean Min. Temperature (F) 17.9 20.0 28.5 36.5 45.7 55.2 60.7 59.7 51.9 38.8 30.9 23.3 39.1
Highest Mean Min. Temperature (F) 31.5 27.5 36.4 39.9 50.5 58.8 63.4 64.8 57.2 49.8 41.7 32.3 41.8
Year Highest Occurred 1974 1975 1973 1985 1962 1973 1969 1975 1971 1984 1985 1972 1975
Lowest Mean Min. Temperature (F) 5.8 7.3 21.8 30.0 41.3 50.3 57.7 55.5 45.8 30.3 23.5 10.4 36.0
Year Lowest Occurred 1977 1978 1969 1971 1961 1988 1963 1986 1967 1987 1976 1989 1963
Mean Precipitation (in.) 2.73 2.86 3.57 3.63 4.26 3.84 4.86 3.75 2.75 2.99 3.16 3.45 41.85
Highest Precipitation (in.) 6.18 8.78 7.08 7.36 8.18 7.81 8.73 6.81 6.02 6.45 7.44 9.59 54.16
Year Highest Occurred 1974 1989 1975 1972 1974 1974 1978 1979 1965 1983 1986 1990 1989
Lowest Precipitation (in.) 0.54 0.55 0.98 0.98 1.16 0.39 2.45 1.08 0.41 0.11 0.51 0.34 30.75
Year Lowest Occurred 1981 1977 1983 1963 1964 1988 1974 1962 1985 1963 1981 1965 1963
Heating Degree Days (F) 1101. 913. 698. 399. 181. 14. 0. 6. 71. 359. 627. 946. 5315.
Cooling Degree Days (F) 0. 0. 0. 0. 47. 134. 264. 238. 92. 15. 0. 0. 790.

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