BELTSVILLE, MARYLAND

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 41.7 44.8 54.0 64.7 74.0 82.7 87.2 85.6 78.9 67.6 56.9 46.1 65.4
Highest Mean Max. Temperature (F) 50.4 52.7 61.0 71.2 81.5 87.1 91.7 89.2 85.4 72.0 62.4 53.7 91.7
Year Highest Occurred 1990 1990 1977 1994 1991 1994 1987 1995 1998 1990 1994 1984 1987
Lowest Mean Max. Temperature (F) 31.8 32.0 46.2 59.7 70.3 77.1 81.9 82.3 73.7 62.0 50.7 32.4 31.8
Year Lowest Occurred 1977 1979 1984 1975 1971 1972 2000 1992 1975 1976 1996 1989 1977
Mean Temperature (F) 32.6 35.4 43.8 53.3 63.0 72.1 76.9 75.3 68.4 56.1 46.7 37.3 55.1
Highest Mean Temperature (F) 40.7 41.3 48.7 58.4 69.7 76.0 80.5 78.2 73.6 62.3 52.1 43.9 80.5
Year Highest Occurred 1998 1990 1977 1994 1991 1994 1987 1988 1998 1984 1985 1984 1987
Lowest Mean Temperature (F) 22.2 22.7 37.1 49.6 59.4 67.4 72.9 72.1 65.2 51.1 40.0 24.5 22.2
Year Lowest Occurred 1977 1979 1984 1975 1971 1972 2000 1992 1975 1987 1976 1989 1977
Mean Min. Temperature (F) 23.5 25.9 33.5 41.9 51.9 61.4 66.5 65.0 57.8 44.5 36.4 28.5 44.7
Highest Mean Min. Temperature (F) 32.4 33.3 39.6 45.7 57.9 65.5 69.3 68.1 61.8 53.3 44.2 34.2 69.3
Year Highest Occurred 1998 1998 1973 1994 1991 1973 1991 1988 1998 1984 1985 1972 1991
Lowest Mean Min. Temperature (F) 12.5 13.4 28.1 36.7 47.4 56.6 63.4 61.5 53.6 38.0 28.5 16.6 12.5
Year Lowest Occurred 1977 1979 1984 1971 1997 1980 1978 1976 1976 1987 1976 1989 1977
Mean Precipitation (in.) 3.43 2.69 3.87 3.33 4.54 3.59 4.09 3.69 4.35 3.56 3.32 3.30 43.76
Highest Precipitation (in.) 9.52 5.82 8.54 7.67 9.33 10.29 9.78 8.51 15.45 8.26 6.15 7.64 15.45
Year Highest Occurred 1979 1979 1994 1983 1989 1972 1975 1971 1975 1976 1972 1977 1975
Lowest Precipitation (in.) 0.46 0.47 0.77 0.60 0.69 0.88 0.62 0.52 0.61 0.15 0.65 0.74 0.15
Year Lowest Occurred 1981 1977 1986 1985 1986 1988 1983 1998 1977 2000 1981 1989 2000
Heating Degree Days (F) 1005. 831. 659. 353. 119. 9. 0. 0. 29. 294. 550. 858. 4707.
Cooling Degree Days (F) 0. 0. 0. 1. 55. 220. 368. 319. 129. 17. 0. 0. 1109.

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