MARTINSVILLE FILTER PLA, VIRGINIA

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 45.8 49.1 59.9 69.0 76.9 83.9 87.1 85.8 79.4 70.0 60.0 49.4 68.0
Highest Mean Max. Temperature (F) 58.5 60.3 67.7 74.4 82.5 88.1 91.9 90.9 84.6 75.8 66.5 58.8 72.2
Year Highest Occurred 1974 1990 1990 1985 1965 1988 1966 1988 1970 1963 1990 1984 1990
Lowest Mean Max. Temperature (F) 35.3 38.3 53.9 62.2 73.0 78.6 83.4 82.6 75.8 62.4 52.5 41.4 66.0
Year Lowest Occurred 1977 1978 1984 1961 1976 1974 1984 1974 1974 1976 1976 1989 1978
Mean Temperature (F) 33.7 36.1 46.1 54.2 63.3 71.0 74.9 73.7 67.0 55.6 46.4 37.4 55.0
Highest Mean Temperature (F) 46.7 43.3 50.5 57.9 67.8 75.7 78.2 77.0 71.6 63.1 54.4 45.9 57.7
Year Highest Occurred 1974 1976 1973 1981 1965 1981 1986 1987 1980 1984 1985 1971 1990
Lowest Mean Temperature (F) 24.9 27.7 41.3 48.9 59.9 67.3 72.8 71.4 62.5 49.1 38.4 29.9 53.1
Year Lowest Occurred 1977 1978 1969 1961 1961 1974 1984 1976 1967 1987 1976 1989 1976
Mean Min. Temperature (F) 21.6 23.1 32.2 39.5 49.5 58.0 62.7 61.6 54.5 41.2 32.6 25.3 41.8
Highest Mean Min. Temperature (F) 34.8 30.4 39.4 44.0 53.4 63.7 65.9 64.1 59.6 51.4 42.5 33.7 44.4
Year Highest Occurred 1974 1976 1973 1964 1975 1981 1982 1987 1980 1984 1985 1971 1982
Lowest Mean Min. Temperature (F) 14.4 15.1 27.3 35.2 46.1 53.7 59.8 57.9 48.9 32.1 24.3 17.8 39.1
Year Lowest Occurred 1977 1968 1969 1971 1961 1966 1963 1963 1967 1987 1976 1963 1963
Mean Precipitation (in.) 3.23 3.57 4.08 3.60 4.21 3.81 4.86 3.96 3.89 3.95 3.25 3.41 45.82
Highest Precipitation (in.) 8.11 6.49 8.19 10.42 8.29 11.08 9.72 8.81 11.27 12.22 8.01 6.75 62.03
Year Highest Occurred 1978 1990 1975 1987 1990 1972 1964 1985 1987 1990 1985 1973 1972
Lowest Precipitation (in.) 0.78 0.67 1.01 0.22 1.45 0.62 1.70 1.44 0.70 0.19 0.83 0.34 33.63
Year Lowest Occurred 1986 1968 1966 1976 1977 1984 1983 1980 1985 1963 1981 1965 1981
Heating Degree Days (F) 970. 809. 586. 324. 104. 7. 0. 0. 44. 307. 558. 856. 4565.
Cooling Degree Days (F) 0. 0. 0. 0. 52. 187. 307. 270. 104. 15. 0. 0. 935.

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