SAND MOUNTAIN SUBSTN, ALABAMA

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 48.3 53.2 61.8 70.1 77.5 84.6 88.3 87.9 82.3 72.2 61.4 51.7 69.9
Highest Mean Max. Temperature (F) 58.3 60.5 68.2 75.8 82.3 89.0 95.4 96.1 88.9 78.7 67.9 61.7 96.1
Year Highest Occurred 1974 1976 1974 1981 1977 1988 1980 1980 1980 1998 1978 1984 1980
Lowest Mean Max. Temperature (F) 35.8 45.0 55.5 63.5 70.9 77.9 83.2 81.5 78.4 65.7 54.1 42.4 35.8
Year Lowest Occurred 1977 1978 1993 1983 1976 1997 1994 1992 1996 1976 1997 1989 1977
Mean Temperature (F) 38.5 42.3 50.5 58.2 66.4 73.8 77.4 76.5 70.7 59.6 50.2 41.6 58.8
Highest Mean Temperature (F) 49.4 49.7 56.5 64.2 70.3 77.4 81.3 82.1 75.7 65.8 58.2 50.1 82.1
Year Highest Occurred 1974 1990 1973 1981 1998 1998 1980 1980 1998 1984 1985 1984 1980
Lowest Mean Temperature (F) 25.6 33.6 44.7 52.6 59.8 69.9 72.5 72.4 65.7 52.0 41.7 32.6 25.6
Year Lowest Occurred 1977 1978 1971 1983 1976 1976 1976 1976 1976 1976 1976 1989 1977
Mean Min. Temperature (F) 28.6 31.3 39.2 46.2 55.3 63.0 66.5 65.1 59.0 46.9 39.0 31.4 47.6
Highest Mean Min. Temperature (F) 40.5 39.3 45.7 52.6 61.6 66.8 70.2 69.9 63.9 54.2 48.5 39.3 70.2
Year Highest Occurred 1974 1990 1973 1981 1991 1998 1998 1995 1977 1984 1985 1971 1998
Lowest Mean Min. Temperature (F) 15.4 22.2 32.5 41.6 48.7 58.9 60.8 59.5 52.7 36.8 29.2 22.8 15.4
Year Lowest Occurred 1977 1978 1975 1983 1976 1976 1976 1976 1976 1987 1976 1989 1977
Mean Precipitation (in.) 5.49 5.19 6.07 4.75 4.37 4.10 4.37 3.44 4.49 3.14 4.58 5.05 55.04
Highest Precipitation (in.) 10.06 10.21 15.99 11.36 9.24 10.48 19.39 9.26 10.21 9.22 8.96 11.46 19.39
Year Highest Occurred 1996 1990 1980 1979 1973 1999 1985 1974 1977 1977 2000 1982 1985
Lowest Precipitation (in.) 1.21 1.61 1.94 0.94 1.48 0.60 0.88 0.43 0.15 0.00 1.73 0.93 0.00
Year Lowest Occurred 1981 1978 1986 1976 1995 1988 2000 1983 1984 1991 1971 1980 1991
Heating Degree Days (F) 823. 637. 455. 225. 72. 3. 0. 1. 29. 208. 450. 726. 3629.
Cooling Degree Days (F) 0. 0. 5. 20. 115. 267. 384. 358. 198. 40. 5. 0. 1392.

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