FRANKFORT LOCK 4, KENTUCKY

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 39.8 44.8 55.3 65.6 74.6 82.6 86.9 85.8 79.4 68.1 55.4 44.4 65.2
Highest Mean Max. Temperature (F) 49.7 53.0 61.9 70.8 81.7 88.6 91.8 94.0 86.8 75.0 63.6 52.6 94.0
Year Highest Occurred 1990 1976 1973 1985 1982 1988 1983 1983 1998 1971 1999 1982 1983
Lowest Mean Max. Temperature (F) 24.7 30.4 48.1 61.3 69.6 75.8 83.0 81.6 71.6 60.9 47.4 32.1 24.7
Year Lowest Occurred 1977 1978 1978 1973 1997 1992 1979 1992 1974 1976 1976 1989 1977
Mean Temperature (F) 30.3 33.9 43.0 52.5 62.0 70.7 75.2 73.9 67.0 55.1 44.7 35.0 53.6
Highest Mean Temperature (F) 39.7 41.4 49.5 57.3 67.7 74.2 78.8 79.6 72.2 62.7 52.0 42.5 79.6
Year Highest Occurred 1998 1990 1973 1981 1987 1971 1983 1983 1998 1971 1985 1984 1983
Lowest Mean Temperature (F) 14.3 20.4 37.2 48.3 57.2 64.6 72.3 70.3 61.4 49.1 36.0 22.3 14.3
Year Lowest Occurred 1977 1978 1996 1997 1997 1992 1984 1992 1974 1988 1976 1989 1977
Mean Min. Temperature (F) 20.8 23.0 30.7 39.3 49.3 58.7 63.4 61.9 54.5 42.1 33.9 25.5 41.9
Highest Mean Min. Temperature (F) 32.2 30.9 37.2 44.1 57.3 61.7 67.5 66.7 59.6 51.4 44.0 32.6 67.5
Year Highest Occurred 1998 1998 1973 1991 1991 1991 1993 1995 1971 1984 1985 1971 1993
Lowest Mean Min. Temperature (F) 3.9 10.5 25.6 34.7 43.6 53.5 59.7 57.1 49.3 33.7 24.6 12.5 3.9
Year Lowest Occurred 1977 1978 1971 1997 1994 1992 1984 1982 1999 1987 1976 1989 1977
Mean Precipitation (in.) 3.15 3.08 4.04 3.67 4.61 4.40 4.18 3.58 3.15 2.66 3.33 3.71 43.56
Highest Precipitation (in.) 5.77 7.83 11.92 8.42 10.74 8.63 8.31 8.21 11.45 6.71 7.76 9.29 11.92
Year Highest Occurred 1974 1989 1997 1998 1983 1998 1992 1974 1979 1983 1972 1990 1997
Lowest Precipitation (in.) 0.37 0.62 1.12 0.75 1.31 0.44 0.79 0.68 0.75 0.64 0.42 0.92 0.37
Year Lowest Occurred 1981 1978 1979 1976 1999 1988 1983 1999 1999 1992 1976 1976 1981
Heating Degree Days (F) 1077. 871. 684. 377. 166. 20. 0. 5. 60. 327. 611. 931. 5129.
Cooling Degree Days (F) 0. 0. 0. 2. 71. 189. 316. 279. 118. 19. 0. 0. 994.

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