PRINCETON EXP STN, KENTUCKY

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 45.4 51.5 62.0 72.0 80.0 88.0 91.6 90.5 84.4 74.0 60.7 49.7 70.8
Highest Mean Max. Temperature (F) 55.9 60.1 68.0 77.3 85.9 93.7 96.6 98.6 91.8 79.9 69.0 58.1 98.6
Year Highest Occurred 1990 1976 1976 1981 1987 1988 1980 1983 1998 1971 1999 1984 1983
Lowest Mean Max. Temperature (F) 31.1 35.4 55.3 64.0 75.8 82.2 88.1 84.9 78.3 67.1 53.3 37.2 31.1
Year Lowest Occurred 1977 1978 1996 1983 1997 1997 1996 1992 1975 1988 1996 2000 1977
Mean Temperature (F) 35.5 40.6 50.1 59.4 67.7 76.0 79.8 78.3 71.7 60.7 49.9 39.9 59.1
Highest Mean Temperature (F) 45.7 48.5 56.2 64.3 73.2 79.2 83.5 84.1 76.6 67.2 56.7 48.3 84.1
Year Highest Occurred 1990 1976 1973 1981 1987 1971 1993 1983 1998 1971 1999 1984 1983
Lowest Mean Temperature (F) 20.8 25.6 43.8 53.1 63.7 71.7 77.1 73.8 66.9 53.1 41.3 28.7 20.8
Year Lowest Occurred 1977 1978 1996 1983 1997 1974 1996 1992 1974 1988 1976 2000 1977
Mean Min. Temperature (F) 25.6 29.6 38.1 46.7 55.4 64.0 67.9 66.1 59.0 47.4 39.0 30.0 47.4
Highest Mean Min. Temperature (F) 35.4 38.1 45.1 51.4 62.9 67.5 72.2 70.8 64.1 55.7 46.0 38.4 72.2
Year Highest Occurred 1990 1990 1973 1991 1991 1991 1993 1995 1986 1984 1985 1984 1993
Lowest Mean Min. Temperature (F) 10.5 15.7 32.3 41.7 50.1 59.3 64.7 61.7 55.5 39.0 28.8 17.8 10.5
Year Lowest Occurred 1977 1978 1996 1997 1971 1988 1984 1976 1974 1988 1976 1989 1977
Mean Precipitation (in.) 4.01 4.48 4.70 4.70 5.01 4.06 4.52 3.56 3.28 3.28 4.80 5.05 51.45
Highest Precipitation (in.) 8.82 15.99 13.11 10.39 11.76 12.62 7.59 8.15 9.12 6.23 11.63 12.30 15.99
Year Highest Occurred 1999 1989 1997 1983 1983 1998 1972 1975 1979 1985 1988 1990 1989
Lowest Precipitation (in.) 1.06 1.31 1.82 1.55 0.84 0.63 1.23 0.50 0.18 0.96 0.95 0.79 0.18
Year Lowest Occurred 1981 1974 1987 1976 1994 1988 1991 1983 1983 1971 1976 1976 1983
Heating Degree Days (F) 915. 683. 469. 197. 61. 1. 0. 0. 21. 187. 459. 781. 3774.
Cooling Degree Days (F) 0. 0. 6. 26. 146. 331. 458. 412. 223. 54. 5. 0. 1661.

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