CHESTERTOWN, MARYLAND

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 41.5 44.9 54.3 65.1 74.9 83.5 87.8 86.4 79.6 68.3 56.9 46.2 65.8
Highest Mean Max. Temperature (F) 50.7 53.8 61.1 71.5 83.0 87.6 91.9 89.9 84.1 72.7 62.2 52.8 91.9
Year Highest Occurred 1990 1976 2000 1994 1991 1994 1987 1983 1998 1995 1994 1984 1987
Lowest Mean Max. Temperature (F) 31.3 32.1 46.6 59.3 70.8 77.3 83.1 83.0 76.3 62.5 50.3 33.6 31.3
Year Lowest Occurred 1977 1979 1984 1975 1971 1972 2000 2000 1975 1976 1976 1989 1977
Mean Temperature (F) 33.2 35.9 44.4 54.1 63.9 72.7 77.4 75.8 68.8 57.2 47.1 37.6 55.7
Highest Mean Temperature (F) 41.4 42.9 49.7 59.0 70.2 75.9 81.1 79.4 72.6 63.5 52.9 44.4 81.1
Year Highest Occurred 1990 1976 1977 1994 1991 1994 1987 1988 1980 1984 1985 1984 1987
Lowest Mean Temperature (F) 22.3 24.4 38.6 49.5 60.4 68.2 72.8 72.5 65.6 52.5 40.4 25.2 22.3
Year Lowest Occurred 1977 1979 1984 1975 1992 1972 2000 1992 2000 1976 1976 1989 1977
Mean Min. Temperature (F) 24.8 26.9 34.4 43.0 52.9 61.9 66.9 65.2 58.0 46.0 37.2 29.0 45.5
Highest Mean Min. Temperature (F) 32.0 33.2 39.6 46.5 57.5 66.3 70.3 69.2 61.7 54.3 45.1 35.9 70.3
Year Highest Occurred 1990 1984 1977 1994 1991 1989 1987 1988 1977 1984 1985 1984 1987
Lowest Mean Min. Temperature (F) 13.3 16.4 30.6 39.5 48.1 57.8 62.4 61.1 54.1 41.3 30.5 16.8 13.3
Year Lowest Occurred 1977 1978 1996 1971 1994 1980 2000 1994 2000 1994 1976 1989 1977
Mean Precipitation (in.) 3.56 3.03 4.16 3.34 4.09 4.26 3.94 3.76 4.30 3.37 3.34 3.69 44.84
Highest Precipitation (in.) 8.10 6.30 8.59 8.09 7.22 15.44 8.57 11.21 18.09 9.23 8.37 8.66 18.09
Year Highest Occurred 1979 1971 1994 1983 1990 1989 1975 1971 1999 1971 1972 1996 1999
Lowest Precipitation (in.) 0.56 0.76 1.12 0.57 1.12 1.06 0.82 0.62 0.73 0.31 0.21 0.82 0.21
Year Lowest Occurred 1981 1977 1987 1985 1999 1988 1983 1987 1986 2000 1976 1985 1976
Heating Degree Days (F) 988. 814. 640. 330. 103. 6. 0. 0. 24. 265. 539. 850. 4559.
Cooling Degree Days (F) 0. 0. 0. 2. 69. 237. 382. 334. 138. 21. 0. 0. 1183.

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