ROCK MILLS, ALABAMA

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 53.4 58.0 67.0 76.1 83.0 89.4 91.4 90.7 85.4 76.5 66.7 57.2 74.6
Highest Mean Max. Temperature (F) 64.5 68.9 72.7 82.1 90.7 93.6 96.7 95.3 91.3 82.5 72.5 67.1 78.6
Year Highest Occurred 1974 1962 1974 1967 1962 1990 1980 1990 1990 1984 1978 1984 1990
Lowest Mean Max. Temperature (F) 43.7 51.1 59.7 70.2 77.3 85.4 86.3 86.6 79.9 71.3 59.2 47.3 72.9
Year Lowest Occurred 1977 1978 1969 1983 1976 1965 1967 1967 1967 1976 1976 1963 1983
Mean Temperature (F) 40.9 44.6 52.7 61.1 68.6 75.8 78.8 78.0 72.6 61.4 52.4 44.2 60.9
Highest Mean Temperature (F) 54.2 53.8 58.5 65.8 73.9 79.4 82.6 80.6 77.3 68.2 60.7 52.5 63.7
Year Highest Occurred 1974 1962 1973 1981 1962 1981 1980 1990 1970 1984 1985 1984 1990
Lowest Mean Temperature (F) 33.3 37.7 45.5 55.9 65.0 72.5 75.0 75.0 67.2 55.6 45.8 35.2 59.2
Year Lowest Occurred 1977 1968 1969 1983 1976 1961 1967 1967 1967 1987 1976 1963 1968
Mean Min. Temperature (F) 28.4 31.1 38.3 46.0 54.2 62.2 66.3 65.3 59.7 46.4 38.0 31.1 47.3
Highest Mean Min. Temperature (F) 43.9 40.4 47.2 51.1 59.8 66.5 68.5 68.3 64.5 54.7 49.3 40.3 49.6
Year Highest Occurred 1974 1990 1973 1981 1975 1981 1980 1970 1973 1985 1985 1971 1975
Lowest Mean Min. Temperature (F) 22.8 24.2 31.2 41.0 49.9 58.6 63.7 62.4 53.9 35.6 31.2 23.1 45.0
Year Lowest Occurred 1977 1968 1969 1971 1971 1966 1967 1969 1984 1987 1969 1963 1968
Mean Precipitation (in.) 5.52 5.60 6.24 4.79 4.19 3.78 4.96 3.52 3.65 2.92 4.14 5.33 54.64
Highest Precipitation (in.) 11.00 17.64 14.10 12.52 7.79 13.13 9.07 7.04 12.08 7.67 9.67 15.99 75.83
Year Highest Occurred 1972 1961 1976 1979 1969 1989 1971 1975 1988 1975 1983 1961 1975
Lowest Precipitation (in.) 1.09 1.61 1.48 0.53 0.37 0.48 1.35 0.92 0.20 0.00 1.27 0.38 38.76
Year Lowest Occurred 1981 1976 1982 1986 1965 1988 1990 1972 1984 1963 1981 1988 1978
Heating Degree Days (F) 747. 571. 391. 143. 30. 0. 0. 0. 8. 159. 385. 645. 3079.
Cooling Degree Days (F) 0. 0. 9. 26. 141. 324. 428. 403. 236. 48. 7. 0. 1622.

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