CALHOUN EXPERIMENT STN, GEORGIA

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 49.2 54.2 63.1 72.3 79.5 86.6 89.3 88.6 82.9 73.0 63.1 52.9 71.2
Highest Mean Max. Temperature (F) 59.4 64.4 68.7 77.4 89.6 92.7 95.3 94.6 88.0 80.6 68.4 61.1 73.9
Year Highest Occurred 1974 1976 1974 1981 1962 1988 1980 1980 1980 1963 1985 1984 1990
Lowest Mean Max. Temperature (F) 38.5 47.6 57.1 65.3 75.6 82.4 83.6 84.3 79.0 68.2 56.6 44.1 68.9
Year Lowest Occurred 1977 1979 1971 1983 1961 1983 1979 1967 1967 1976 1976 1989 1979
Mean Temperature (F) 37.6 41.8 50.4 58.8 66.5 74.1 77.4 76.7 70.7 58.9 49.9 41.3 58.7
Highest Mean Temperature (F) 49.8 49.7 56.0 63.7 71.9 77.5 82.2 81.3 75.5 66.3 58.6 49.1 61.0
Year Highest Occurred 1974 1990 1973 1981 1962 1981 1980 1980 1980 1984 1985 1971 1990
Lowest Mean Temperature (F) 28.0 35.1 43.6 53.5 61.9 70.9 73.2 73.5 65.8 52.2 42.8 32.3 56.9
Year Lowest Occurred 1977 1968 1969 1983 1961 1961 1967 1967 1967 1987 1976 1963 1968
Mean Min. Temperature (F) 26.0 29.4 37.6 45.3 53.4 61.5 65.4 64.8 58.4 44.6 36.7 29.7 46.1
Highest Mean Min. Temperature (F) 40.2 37.6 45.4 50.0 58.8 66.0 69.0 67.9 63.6 54.7 48.7 38.8 48.9
Year Highest Occurred 1974 1990 1973 1981 1987 1981 1980 1980 1973 1984 1985 1982 1975
Lowest Mean Min. Temperature (F) 17.4 20.7 29.5 40.1 48.1 58.1 62.2 61.6 52.5 33.4 29.0 19.8 42.9
Year Lowest Occurred 1977 1968 1969 1961 1961 1972 1967 1964 1967 1987 1976 1963 1968
Mean Precipitation (in.) 5.19 5.07 6.44 4.83 4.86 4.07 4.87 3.44 4.13 3.26 4.17 5.02 55.35
Highest Precipitation (in.) 9.01 10.50 14.89 11.24 10.60 8.40 12.34 8.09 10.80 6.65 8.82 12.49 72.36
Year Highest Occurred 1982 1990 1980 1979 1973 1961 1967 1967 1975 1964 1983 1961 1989
Lowest Precipitation (in.) 0.84 0.66 1.62 0.82 1.02 0.03 1.53 0.93 0.19 0.10 2.03 0.69 39.78
Year Lowest Occurred 1981 1978 1985 1976 1988 1988 1986 1972 1985 1978 1990 1980 1987
Heating Degree Days (F) 849. 650. 453. 200. 59. 0. 0. 0. 15. 219. 453. 735. 3633.
Cooling Degree Days (F) 0. 0. 0. 14. 105. 273. 384. 363. 186. 30. 0. 0. 1355.

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