BALTIMORE WSO CITY, MARYLAND

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 41.7 44.7 54.9 65.5 75.7 84.6 88.7 86.8 79.9 68.4 57.2 46.1 66.2
Highest Mean Max. Temperature (F) 53.8 56.4 61.2 74.3 81.5 89.5 93.6 90.8 84.9 74.3 64.0 54.1 69.9
Year Highest Occurred 1990 1976 1977 1985 1986 1986 1988 1988 1961 1963 1975 1984 1990
Lowest Mean Max. Temperature (F) 33.1 33.9 48.3 59.6 69.3 78.7 85.0 84.3 75.9 62.6 52.3 35.3 64.3
Year Lowest Occurred 1977 1979 1984 1966 1967 1972 1962 1967 1963 1976 1967 1989 1962
Mean Temperature (F) 34.9 37.3 46.6 56.6 66.8 76.0 80.4 78.7 71.6 60.0 49.6 39.3 58.2
Highest Mean Temperature (F) 46.0 46.7 52.1 62.8 71.3 79.7 84.1 82.6 76.7 64.5 55.1 46.0 61.1
Year Highest Occurred 1990 1976 1977 1985 1986 1987 1988 1988 1961 1984 1975 1971 1990
Lowest Mean Temperature (F) 26.8 28.1 41.7 51.9 60.7 71.1 76.4 76.0 67.2 54.9 44.8 28.4 56.4
Year Lowest Occurred 1977 1979 1984 1975 1967 1972 1962 1982 1963 1987 1976 1989 1962
Mean Min. Temperature (F) 28.0 29.9 38.2 47.5 57.8 67.3 72.0 70.5 63.3 51.4 42.1 32.5 50.0
Highest Mean Min. Temperature (F) 38.1 36.9 43.0 51.2 61.8 70.7 74.6 74.3 68.4 57.8 46.9 38.3 52.2
Year Highest Occurred 1990 1976 1977 1985 1965 1987 1988 1988 1961 1971 1979 1971 1990
Lowest Mean Min. Temperature (F) 20.4 22.3 34.8 43.7 52.1 63.5 67.8 67.5 58.2 45.8 36.6 21.5 48.2
Year Lowest Occurred 1977 1979 1972 1972 1967 1972 1962 1982 1984 1987 1984 1989 1963
Mean Precipitation (in.) 3.14 3.18 3.63 3.24 4.05 3.31 3.72 4.28 3.50 2.98 3.60 3.75 42.38
Highest Precipitation (in.) 8.64 6.92 9.76 7.56 9.31 9.98 11.68 14.86 8.79 8.66 8.76 8.06 61.57
Year Highest Occurred 1979 1979 1983 1973 1989 1972 1975 1971 1975 1976 1972 1974 1971
Lowest Precipitation (in.) 0.41 0.66 0.93 0.35 0.60 0.96 0.69 0.30 0.07 0.12 0.42 0.73 30.80
Year Lowest Occurred 1981 1977 1966 1985 1986 1966 1974 1962 1967 1963 1981 1965 1965
Heating Degree Days (F) 933. 776. 570. 264. 64. 0. 0. 0. 12. 190. 462. 797. 4068.
Cooling Degree Days (F) 0. 0. 0. 12. 119. 330. 477. 425. 210. 35. 0. 0. 1608.

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