SAND MOUNTAIN SUBSTN, ALABAMA

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 47.4 52.4 61.5 70.5 77.4 84.1 86.9 87.0 81.5 71.7 61.5 51.5 69.5
Highest Mean Max. Temperature (F) 57.9 62.5 68.2 76.1 86.6 89.0 93.2 93.9 87.0 78.5 67.9 61.7 72.2
Year Highest Occurred 1974 1962 1967 1967 1962 1988 1980 1980 1980 1963 1985 1984 1986
Lowest Mean Max. Temperature (F) 35.4 44.1 55.5 63.5 70.0 79.2 81.3 81.2 76.6 64.6 53.2 42.2 66.3
Year Lowest Occurred 1977 1978 1962 1983 1976 1976 1967 1967 1967 1976 1976 1963 1976
Mean Temperature (F) 37.1 41.3 50.1 58.8 66.3 73.3 76.3 75.8 70.2 59.1 50.2 41.0 58.3
Highest Mean Temperature (F) 49.3 50.0 56.8 64.2 73.1 76.6 80.2 81.1 74.9 65.8 58.2 50.1 61.1
Year Highest Occurred 1974 1962 1974 1981 1962 1981 1980 1980 1970 1984 1985 1984 1990
Lowest Mean Temperature (F) 25.5 33.2 43.5 52.6 59.8 69.4 71.4 71.2 65.3 51.7 41.6 31.8 54.8
Year Lowest Occurred 1977 1978 1969 1983 1976 1976 1967 1967 1976 1976 1976 1963 1976
Mean Min. Temperature (F) 26.8 30.1 38.7 47.1 55.2 62.5 65.6 64.6 58.9 46.5 38.8 30.4 47.1
Highest Mean Min. Temperature (F) 40.6 39.3 46.6 52.6 60.2 65.9 68.6 68.2 64.1 54.2 48.5 39.5 50.3
Year Highest Occurred 1974 1990 1973 1981 1987 1978 1978 1980 1970 1984 1985 1971 1990
Lowest Mean Min. Temperature (F) 15.5 22.2 31.2 41.6 49.6 59.6 61.3 60.0 52.8 36.8 30.0 21.3 43.2
Year Lowest Occurred 1977 1978 1969 1983 1976 1976 1976 1976 1981 1987 1976 1963 1976
Mean Precipitation (in.) 5.18 5.16 6.25 5.14 4.73 3.78 4.67 3.31 4.52 3.08 4.37 5.49 55.68
Highest Precipitation (in.) 10.06 10.84 15.99 11.36 9.24 8.27 19.39 9.26 10.21 9.22 7.76 12.82 67.30
Year Highest Occurred 1962 1961 1980 1979 1973 1989 1985 1974 1977 1977 1983 1961 1961
Lowest Precipitation (in.) 1.21 1.06 1.09 0.94 1.13 0.60 1.30 0.43 0.15 0.25 1.13 0.76 37.95
Year Lowest Occurred 1981 1968 1967 1976 1965 1988 1980 1983 1984 1978 1965 1965 1965
Heating Degree Days (F) 865. 664. 467. 209. 69. 0. 0. 0. 26. 215. 444. 744. 3703.
Cooling Degree Days (F) 0. 0. 5. 23. 109. 249. 350. 335. 182. 32. 0. 0. 1285.

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