MARTINSVILLE FILTER PLA, VIRGINIA

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 46.2 50.3 59.3 69.1 76.5 83.7 87.3 85.6 79.3 69.8 59.7 49.8 68.1
Highest Mean Max. Temperature (F) 57.9 60.3 67.7 74.7 82.0 88.1 91.7 90.9 85.1 74.8 66.5 58.6 91.7
Year Highest Occurred 1974 1990 1990 1994 1982 1988 1986 1988 1998 1984 1990 1984 1986
Lowest Mean Max. Temperature (F) 34.7 38.2 53.0 63.1 71.1 78.6 83.3 80.4 75.8 62.4 52.2 40.9 34.7
Year Lowest Occurred 1977 1978 1984 1983 1992 1974 1984 1992 1974 1976 1996 2000 1977
Mean Temperature (F) 33.9 36.3 44.4 53.4 62.4 70.6 75.0 73.3 66.8 55.2 45.6 37.1 54.5
Highest Mean Temperature (F) 45.5 42.2 49.8 58.0 68.0 74.4 78.4 76.5 71.2 62.6 53.7 45.2 78.4
Year Highest Occurred 1974 1976 1990 1999 1991 1981 1986 1988 1998 1984 1985 1971 1986
Lowest Mean Temperature (F) 23.0 25.9 39.6 48.5 58.6 66.1 72.0 70.2 63.3 49.1 38.0 29.1 23.0
Year Lowest Occurred 1977 1978 1978 1983 1997 1974 1976 1992 1984 1987 1976 1989 1977
Mean Min. Temperature (F) 21.5 22.2 29.5 37.6 48.2 57.4 62.7 61.0 54.2 40.5 31.4 24.4 40.9
Highest Mean Min. Temperature (F) 33.0 28.4 36.0 43.8 55.5 61.6 66.2 65.1 57.5 50.4 41.8 32.5 66.2
Year Highest Occurred 1974 1998 1973 1999 1991 2000 1999 1995 1980 1984 1985 1971 1999
Lowest Mean Min. Temperature (F) 11.2 13.3 24.4 32.9 43.0 52.8 58.1 57.5 48.6 31.5 23.5 16.9 11.2
Year Lowest Occurred 1977 1979 1978 1971 1997 1972 1976 1976 1976 1987 1976 1989 1977
Mean Precipitation (in.) 3.80 3.38 4.46 3.73 4.32 3.95 4.42 3.50 4.27 3.47 3.05 3.26 45.61
Highest Precipitation (in.) 8.11 6.49 9.46 7.74 8.29 11.08 9.28 6.19 11.88 11.45 8.20 6.75 11.88
Year Highest Occurred 1978 1990 1993 1987 1990 1972 1989 1982 1996 1976 1985 1973 1996
Lowest Precipitation (in.) 0.86 0.68 1.65 0.22 0.65 0.62 1.47 1.44 0.52 0.00 0.71 0.43 0.00
Year Lowest Occurred 1981 1980 1995 1976 1997 1984 1998 1980 1985 2000 1998 1980 2000
Heating Degree Days (F) 966. 804. 640. 351. 137. 18. 0. 1. 44. 322. 585. 866. 4734.
Cooling Degree Days (F) 0. 0. 0. 2. 54. 185. 309. 258. 97. 16. 0. 0. 921.

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