DALECARLIA RESVR DC, MARYLAND

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 44.0 48.4 57.9 68.9 77.6 85.2 89.1 87.4 80.7 69.8 58.6 48.4 68.0
Highest Mean Max. Temperature (F) 53.6 59.1 64.3 76.2 84.0 89.6 94.9 91.5 87.7 74.0 65.2 57.2 94.9
Year Highest Occurred 1990 1976 2000 1994 1991 1994 1999 1998 1998 1984 1999 1984 1999
Lowest Mean Max. Temperature (F) 33.0 35.1 49.9 62.0 73.7 80.9 84.7 83.9 75.1 63.8 51.7 36.3 33.0
Year Lowest Occurred 1977 1979 1984 1975 1973 1982 2000 1982 1975 1976 1996 1989 1977
Mean Temperature (F) 34.0 37.4 45.7 55.6 64.9 73.2 77.6 76.2 69.3 57.3 47.2 38.2 56.4
Highest Mean Temperature (F) 42.2 45.6 50.9 61.4 69.4 76.4 82.6 79.9 76.4 63.6 53.9 46.2 82.6
Year Highest Occurred 1998 1976 2000 1994 1991 1994 1999 1999 1998 1984 1999 1971 1999
Lowest Mean Temperature (F) 23.8 25.9 39.2 51.3 61.0 69.7 74.2 72.4 65.8 51.2 41.7 24.1 23.8
Year Lowest Occurred 1977 1979 1984 1975 1994 1992 2000 1990 1975 1988 1976 1989 1977
Mean Min. Temperature (F) 23.9 26.3 33.4 42.3 52.2 61.1 66.1 64.9 57.9 44.7 35.7 28.0 44.7
Highest Mean Min. Temperature (F) 33.2 35.0 40.2 46.5 56.7 64.8 70.3 69.5 65.1 53.2 43.2 36.4 70.3
Year Highest Occurred 1998 1998 1973 1994 1998 1973 1999 1978 1998 1971 1985 1971 1999
Lowest Mean Min. Temperature (F) 14.6 16.6 28.5 37.3 46.5 56.0 62.4 59.3 52.2 37.6 29.0 11.9 11.9
Year Lowest Occurred 1977 1979 1984 1989 1994 1990 1990 1990 1991 1988 1992 1989 1989
Mean Precipitation (in.) 3.48 3.01 4.13 3.54 4.42 3.69 4.26 3.98 4.30 3.48 3.41 3.41 45.11
Highest Precipitation (in.) 7.36 6.65 9.23 8.55 9.41 12.78 9.59 8.74 11.61 7.17 7.44 6.64 12.78
Year Highest Occurred 1996 1998 1999 1983 1989 1972 1975 1986 1975 1976 1972 1983 1972
Lowest Precipitation (in.) 0.47 0.63 1.01 0.35 1.41 1.26 0.81 0.24 0.70 0.22 0.54 0.76 0.22
Year Lowest Occurred 1981 1978 1986 1985 1986 1988 1999 1989 1977 2000 1981 1980 2000
Heating Degree Days (F) 962. 774. 601. 289. 88. 5. 0. 1. 31. 263. 536. 832. 4382.
Cooling Degree Days (F) 0. 0. 0. 7. 84. 249. 390. 345. 160. 23. 0. 0. 1258.

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