COPPERHILL, TENNESSEE

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 49.0 53.6 61.5 70.6 77.7 84.0 87.5 86.6 81.1 72.0 61.8 52.7 69.8
Highest Mean Max. Temperature (F) 61.0 62.3 67.0 76.7 83.0 89.8 93.1 92.4 86.3 77.3 67.7 63.8 93.1
Year Highest Occurred 1974 1976 1974 1981 1982 1988 1993 1983 1978 1971 1978 1984 1993
Lowest Mean Max. Temperature (F) 37.2 45.5 55.0 64.3 73.6 78.1 81.9 81.3 77.8 66.1 54.2 42.6 37.2
Year Lowest Occurred 1977 1978 1993 1983 1989 1997 1979 1992 1975 1988 1997 1989 1977
Mean Temperature (F) 37.7 41.0 48.1 55.8 63.9 71.2 75.6 74.6 68.5 57.4 48.7 40.8 56.9
Highest Mean Temperature (F) 50.9 47.3 53.8 61.5 69.2 74.1 79.0 78.6 73.0 64.8 56.9 51.9 79.0
Year Highest Occurred 1974 1990 1974 1977 1987 1986 1980 1983 1978 1984 1985 1984 1980
Lowest Mean Temperature (F) 26.4 33.6 41.2 50.2 58.8 67.2 72.0 71.0 64.6 50.8 42.1 31.0 26.4
Year Lowest Occurred 1977 1978 1996 1997 1997 1972 1976 1992 1999 1988 1976 1989 1977
Mean Min. Temperature (F) 26.4 28.3 34.7 41.0 50.0 58.4 63.6 62.5 55.8 42.8 35.6 28.9 44.0
Highest Mean Min. Temperature (F) 40.8 33.9 41.8 46.9 57.6 61.4 65.5 65.4 60.2 52.5 46.9 39.9 65.5
Year Highest Occurred 1974 1990 1973 1977 1991 1991 1991 1995 1971 1984 1985 1984 1991
Lowest Mean Min. Temperature (F) 15.6 21.7 26.0 33.6 43.6 53.2 59.4 59.2 48.7 35.2 29.8 19.4 15.6
Year Lowest Occurred 1977 1978 1999 1997 1997 1972 1976 1997 1999 1987 1976 1989 1977
Mean Precipitation (in.) 5.78 5.47 6.43 4.94 5.00 4.56 5.40 4.78 4.52 3.28 4.99 5.00 60.15
Highest Precipitation (in.) 10.62 12.00 15.31 11.53 9.47 10.98 11.30 9.58 10.13 7.28 8.15 9.01 15.31
Year Highest Occurred 1996 1990 1980 1998 1976 1989 1990 1996 1977 1986 1992 1983 1980
Lowest Precipitation (in.) 1.49 0.62 1.86 1.07 1.37 1.40 1.43 2.12 0.49 0.01 1.98 1.05 0.01
Year Lowest Occurred 1981 1978 1985 1976 1992 1988 1986 1987 1984 2000 1971 1980 2000
Heating Degree Days (F) 847. 673. 525. 285. 113. 9. 0. 1. 35. 260. 491. 750. 3989.
Cooling Degree Days (F) 0. 0. 1. 10. 78. 195. 327. 297. 138. 24. 1. 0. 1071.

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