COPPERHILL, TENNESSEE

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 47.5 51.9 61.0 70.7 78.2 84.8 87.8 87.2 81.6 71.8 61.5 51.7 69.6
Highest Mean Max. Temperature (F) 59.5 61.0 67.1 76.6 87.3 88.9 93.9 92.9 86.6 79.3 66.8 63.8 71.9
Year Highest Occurred 1974 1976 1967 1967 1962 1964 1980 1980 1970 1963 1985 1984 1990
Lowest Mean Max. Temperature (F) 35.7 44.2 53.2 64.3 73.5 80.5 82.8 82.4 77.9 66.0 53.1 41.6 68.0
Year Lowest Occurred 1977 1978 1969 1983 1961 1974 1979 1967 1975 1976 1976 1963 1979
Mean Temperature (F) 36.3 39.8 48.0 56.5 64.4 71.7 75.5 74.9 68.9 57.5 48.6 40.2 56.9
Highest Mean Temperature (F) 50.2 47.3 53.3 61.2 71.6 74.5 79.5 78.6 73.2 64.8 56.9 51.9 58.7
Year Highest Occurred 1974 1990 1974 1981 1962 1964 1980 1983 1970 1984 1985 1984 1990
Lowest Mean Temperature (F) 25.7 33.0 40.8 51.0 59.3 67.6 71.9 71.6 65.0 50.8 41.5 31.0 55.3
Year Lowest Occurred 1977 1978 1969 1983 1989 1972 1967 1967 1967 1988 1976 1989 1976
Mean Min. Temperature (F) 25.0 27.7 34.9 42.4 50.5 58.5 63.1 62.5 56.3 43.2 35.6 28.6 44.0
Highest Mean Min. Temperature (F) 40.8 33.9 41.8 46.9 55.8 61.2 65.2 64.7 60.2 52.5 46.9 39.9 45.7
Year Highest Occurred 1974 1990 1973 1977 1987 1987 1969 1983 1971 1984 1985 1984 1975
Lowest Mean Min. Temperature (F) 15.6 19.6 28.3 36.8 44.9 53.2 59.4 60.2 51.0 34.8 29.8 19.4 41.6
Year Lowest Occurred 1977 1963 1969 1971 1989 1972 1976 1976 1984 1987 1976 1989 1988
Mean Precipitation (in.) 5.35 5.35 6.28 4.79 5.17 4.45 5.33 4.53 4.42 3.67 4.56 5.21 59.11
Highest Precipitation (in.) 9.56 12.00 15.31 9.72 9.47 10.61 11.30 10.45 10.36 8.54 7.81 13.65 78.56
Year Highest Occurred 1974 1990 1980 1964 1976 1961 1990 1967 1989 1964 1983 1961 1989
Lowest Precipitation (in.) 1.49 0.62 1.78 1.07 1.98 0.55 1.43 0.93 0.49 0.00 1.98 0.51 44.13
Year Lowest Occurred 1981 1978 1967 1976 1988 1988 1986 1963 1984 1963 1971 1965 1986
Heating Degree Days (F) 890. 706. 527. 265. 102. 0. 0. 0. 24. 256. 492. 769. 4031.
Cooling Degree Days (F) 0. 0. 0. 10. 84. 204. 326. 307. 141. 23. 0. 0. 1095.

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