GRAYSON 3 SW, KENTUCKY

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 41.7 46.4 56.5 67.2 75.9 83.3 87.1 86.0 79.9 69.4 57.4 46.5 66.4
Highest Mean Max. Temperature (F) 50.9 55.3 64.1 73.9 83.3 87.7 92.8 91.7 88.2 76.0 65.3 56.1 92.8
Year Highest Occurred 1990 1976 1973 1981 1982 1988 1999 1983 1998 1971 1975 1971 1999
Lowest Mean Max. Temperature (F) 27.5 33.4 49.7 61.5 70.4 77.2 82.8 81.0 74.2 60.9 48.9 35.4 27.5
Year Lowest Occurred 1977 1978 1993 1983 1989 1972 1979 1992 1974 1976 1996 1989 1977
Mean Temperature (F) 30.7 34.0 42.6 51.8 61.0 69.6 74.1 72.9 65.8 54.1 44.0 35.1 53.0
Highest Mean Temperature (F) 40.3 41.2 50.3 56.8 69.1 72.6 77.6 77.5 70.4 62.0 51.6 43.9 77.6
Year Highest Occurred 1974 1976 1973 1981 1991 1984 1999 1995 1998 1971 1985 1971 1999
Lowest Mean Temperature (F) 16.7 20.3 35.5 47.7 55.4 64.2 70.8 68.7 62.5 47.3 36.7 22.9 16.7
Year Lowest Occurred 1977 1978 1996 1997 1997 1972 1996 1992 1974 1987 1976 1989 1977
Mean Min. Temperature (F) 19.6 21.5 28.6 36.3 46.1 55.9 61.0 59.7 51.6 38.7 30.6 23.7 39.4
Highest Mean Min. Temperature (F) 31.5 30.5 36.4 40.5 56.3 59.2 63.6 64.8 57.2 49.8 41.7 32.2 64.8
Year Highest Occurred 1974 1998 1973 1999 1991 1998 1993 1975 1971 1984 1985 1972 1975
Lowest Mean Min. Temperature (F) 5.8 7.3 21.1 30.1 40.2 50.3 57.2 55.5 45.5 30.3 23.5 10.4 5.8
Year Lowest Occurred 1977 1978 1996 1971 1997 1988 1996 1986 1999 1987 1976 1989 1977
Mean Precipitation (in.) 3.11 3.05 3.83 3.43 4.50 4.15 4.87 3.53 2.63 2.94 3.14 3.61 42.79
Highest Precipitation (in.) 6.18 8.78 10.49 7.36 9.11 7.81 8.73 6.81 5.87 6.45 7.44 9.59 10.49
Year Highest Occurred 1974 1989 1997 1972 1996 1974 1978 1979 1975 1983 1986 1990 1997
Lowest Precipitation (in.) 0.54 0.55 0.98 0.99 1.12 0.39 2.45 0.38 0.41 0.49 0.51 1.40 0.38
Year Lowest Occurred 1981 1977 1983 1976 1999 1988 1974 1998 1985 1987 1981 1989 1998
Heating Degree Days (F) 1066. 870. 696. 399. 183. 22. 0. 9. 69. 357. 631. 926. 5228.
Cooling Degree Days (F) 0. 0. 0. 2. 60. 160. 282. 252. 92. 17. 0. 0. 865.

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