GLENN DALE BELL STN, MARYLAND

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 42.4 46.0 55.4 64.9 73.9 82.0 87.1 85.5 78.6 68.0 56.9 47.0 65.6
Highest Mean Max. Temperature (F) 51.0 57.0 61.4 72.6 80.6 89.1 90.9 91.1 84.1 73.8 63.9 56.3 91.1
Year Highest Occurred 1990 1976 1977 1994 1991 1994 1999 1995 1998 1995 1994 1984 1995
Lowest Mean Max. Temperature (F) 32.3 33.4 47.8 58.5 69.9 77.5 81.2 81.2 73.9 62.2 49.4 36.0 32.3
Year Lowest Occurred 1977 1979 1984 1975 1992 1972 2000 1986 2000 1976 1997 1989 1977
Mean Temperature (F) 31.8 34.4 43.3 52.0 61.7 70.3 75.2 73.8 66.7 55.1 44.9 36.5 53.8
Highest Mean Temperature (F) 39.7 42.6 48.7 57.8 67.9 75.7 79.6 78.8 71.8 60.9 50.7 44.2 79.6
Year Highest Occurred 1990 1976 1977 1994 1991 1994 1994 1995 1998 1995 1985 1984 1994
Lowest Mean Temperature (F) 21.6 23.0 36.8 47.3 58.3 66.3 71.2 70.3 63.4 49.6 37.9 24.5 21.6
Year Lowest Occurred 1977 1979 1993 1975 1992 1972 2000 1976 1975 1988 1976 1989 1977
Mean Min. Temperature (F) 21.2 22.8 31.2 39.0 49.5 58.5 63.3 62.0 54.8 42.2 32.8 25.9 41.9
Highest Mean Min. Temperature (F) 29.2 31.2 36.5 43.3 55.2 62.6 68.9 66.4 59.5 50.2 41.5 32.8 68.9
Year Highest Occurred 1998 1998 1998 1981 1991 1989 1994 1995 1998 1971 1985 1982 1994
Lowest Mean Min. Temperature (F) 10.8 12.6 25.3 33.4 45.7 53.1 58.5 56.1 49.6 35.8 24.0 12.9 10.8
Year Lowest Occurred 1977 1979 1993 1971 1997 1980 1978 1976 1984 1987 1976 1989 1977
Mean Precipitation (in.) 3.45 2.83 3.95 3.41 4.69 3.73 4.18 4.09 4.03 3.61 3.42 3.27 44.66
Highest Precipitation (in.) 8.39 6.02 8.91 7.64 10.28 11.27 8.48 12.12 11.02 7.18 7.18 6.67 12.12
Year Highest Occurred 1979 1998 1994 1983 1989 1983 1994 1971 1999 1976 1972 1983 1971
Lowest Precipitation (in.) 0.57 0.61 0.94 0.31 0.80 0.55 0.59 0.70 1.09 0.12 0.35 0.85 0.12
Year Lowest Occurred 1981 1978 1986 1985 1999 1988 1998 1989 1990 2000 1981 1988 2000
Heating Degree Days (F) 1029. 857. 673. 393. 138. 20. 1. 3. 46. 321. 605. 884. 4970.
Cooling Degree Days (F) 0. 0. 0. 1. 36. 178. 319. 273. 96. 14. 0. 0. 917.

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