CLAYTON 1 SSW, GEORGIA

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 50.5 54.5 62.9 71.3 77.3 82.9 85.1 84.3 79.4 71.7 62.5 53.6 69.7
Highest Mean Max. Temperature (F) 61.5 64.0 70.2 76.9 85.4 88.5 88.8 88.4 83.1 77.3 67.4 61.0 71.8
Year Highest Occurred 1974 1962 1967 1967 1962 1984 1986 1983 1970 1963 1985 1971 1990
Lowest Mean Max. Temperature (F) 39.2 48.8 56.8 64.5 73.0 80.0 81.0 81.2 76.1 65.5 55.3 45.4 68.3
Year Lowest Occurred 1977 1978 1969 1983 1976 1976 1979 1986 1967 1988 1976 1989 1983
Mean Temperature (F) 38.6 41.5 49.1 56.6 63.7 70.2 73.4 72.7 67.4 57.5 49.2 41.5 56.8
Highest Mean Temperature (F) 51.3 48.8 53.9 61.0 70.0 73.2 75.9 75.3 71.2 63.4 57.7 49.9 59.3
Year Highest Occurred 1974 1962 1974 1981 1962 1981 1980 1987 1970 1984 1985 1971 1990
Lowest Mean Temperature (F) 28.2 35.8 43.3 51.1 60.1 66.9 71.0 70.4 62.9 51.7 41.7 34.9 55.0
Year Lowest Occurred 1977 1978 1969 1983 1973 1972 1967 1969 1968 1987 1976 1963 1968
Mean Min. Temperature (F) 26.7 28.5 35.2 41.8 50.1 57.4 61.6 61.1 55.4 43.3 35.9 29.4 43.9
Highest Mean Min. Temperature (F) 41.1 36.7 41.8 46.3 55.2 60.6 64.8 64.0 59.3 51.0 47.9 38.7 46.7
Year Highest Occurred 1974 1990 1973 1965 1975 1981 1989 1988 1980 1985 1985 1971 1990
Lowest Mean Min. Temperature (F) 17.1 21.4 29.8 37.6 45.5 53.3 59.4 58.6 49.1 35.0 28.1 22.2 41.4
Year Lowest Occurred 1977 1968 1969 1983 1988 1972 1967 1969 1968 1987 1976 1963 1968
Mean Precipitation (in.) 6.41 6.13 7.44 5.39 6.83 5.43 5.84 6.07 5.73 5.13 5.93 6.67 73.00
Highest Precipitation (in.) 11.59 12.59 17.19 11.65 21.71 14.56 13.90 16.01 13.41 10.69 12.71 14.85 103.53
Year Highest Occurred 1978 1975 1977 1964 1976 1989 1989 1967 1975 1964 1977 1961 1979
Lowest Precipitation (in.) 1.00 1.40 1.05 0.36 0.97 0.31 1.74 1.42 0.43 0.33 2.37 0.66 46.53
Year Lowest Occurred 1981 1968 1985 1976 1988 1990 1983 1968 1984 1963 1990 1980 1988
Heating Degree Days (F) 818. 658. 493. 259. 96. 0. 0. 0. 31. 248. 474. 729. 3806.
Cooling Degree Days (F) 0. 0. 0. 7. 56. 160. 260. 239. 103. 16. 0. 0. 841.

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