MECHANICSVILLE 5 NE, MARYLAND

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 43.5 47.2 56.7 66.8 74.3 82.0 86.1 84.0 77.4 66.3 57.8 48.4 65.9
Highest Mean Max. Temperature (F) 53.5 58.6 63.2 73.5 80.2 85.4 91.4 89.3 83.4 72.5 63.2 56.1 91.4
Year Highest Occurred 1990 1976 2000 1985 1991 1994 1980 1983 1980 1984 1985 1984 1980
Lowest Mean Max. Temperature (F) 32.9 35.4 49.8 60.7 70.5 78.1 80.6 78.9 74.1 59.9 51.1 35.6 32.9
Year Lowest Occurred 1977 1979 1984 1975 1992 1972 2000 1992 1990 1976 1996 1989 1977
Mean Temperature (F) 34.9 37.9 46.2 55.3 63.9 72.0 76.6 74.8 68.3 56.7 47.9 39.5 56.2
Highest Mean Temperature (F) 43.2 47.1 51.3 60.6 69.4 75.5 80.0 78.6 72.5 63.3 54.7 46.5 80.0
Year Highest Occurred 1990 1976 1977 1994 1991 1973 1980 1980 1980 1984 1985 1971 1980
Lowest Mean Temperature (F) 24.1 27.2 41.0 49.9 60.1 68.1 72.3 70.5 64.9 50.8 41.5 26.3 24.1
Year Lowest Occurred 1977 1979 1996 1982 1992 1992 2000 1992 1984 1988 1976 1989 1977
Mean Min. Temperature (F) 26.3 28.5 35.6 43.7 53.4 61.9 67.0 65.5 59.1 47.0 38.0 30.6 46.4
Highest Mean Min. Temperature (F) 33.9 36.2 41.2 48.5 58.5 66.4 70.3 70.1 62.8 57.1 46.2 37.9 70.3
Year Highest Occurred 1998 1984 1973 1981 1991 1973 1982 1978 1971 1971 1985 1982 1982
Lowest Mean Min. Temperature (F) 15.2 19.0 30.0 38.7 48.2 57.0 63.5 62.1 54.5 39.5 31.0 16.9 15.2
Year Lowest Occurred 1977 1979 1996 1982 1997 1979 1978 1992 1984 1987 1976 1989 1977
Mean Precipitation (in.) 3.99 3.37 4.63 3.49 4.22 4.27 4.48 3.94 4.38 3.92 3.43 3.40 47.52
Highest Precipitation (in.) 8.29 8.55 10.85 8.12 8.88 13.10 9.44 8.54 11.75 9.92 7.28 7.77 13.10
Year Highest Occurred 1978 1979 1984 1983 1990 1972 2000 1979 1999 1971 1997 1986 1972
Lowest Precipitation (in.) 0.42 0.53 1.24 0.43 0.63 0.85 0.66 0.45 0.47 0.03 0.69 0.54 0.03
Year Lowest Occurred 1981 1978 1986 1985 1999 1988 1993 1995 1986 2000 1981 1985 2000
Heating Degree Days (F) 934. 761. 584. 298. 94. 7. 0. 2. 36. 279. 513. 791. 4299.
Cooling Degree Days (F) 0. 0. 0. 6. 58. 216. 357. 304. 133. 19. 0. 0. 1093.

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