MIDDLETOWN 3 E, DELAWARE

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 40.2 43.3 54.1 64.1 74.3 83.0 86.7 85.3 79.5 68.0 56.8 45.1 65.0
Highest Mean Max. Temperature (F) 49.7 54.2 59.9 70.1 80.3 87.0 91.3 89.3 85.3 73.2 63.0 52.4 67.7
Year Highest Occurred 1990 1976 1977 1985 1965 1976 1966 1983 1970 1963 1975 1984 1990
Lowest Mean Max. Temperature (F) 31.6 31.2 46.6 58.9 68.2 78.3 83.4 81.7 75.2 62.4 49.7 33.6 63.3
Year Lowest Occurred 1977 1979 1984 1966 1967 1982 1979 1986 1962 1976 1967 1989 1978
Mean Temperature (F) 31.4 34.0 43.5 52.6 62.9 71.8 75.7 74.3 67.9 56.6 46.7 36.5 54.5
Highest Mean Temperature (F) 40.7 42.7 49.0 56.6 66.8 75.1 78.4 77.6 73.0 62.8 51.7 43.0 57.1
Year Highest Occurred 1990 1976 1977 1985 1965 1976 1988 1980 1961 1971 1975 1984 1990
Lowest Mean Temperature (F) 22.7 22.8 37.4 48.7 56.8 68.3 72.5 71.9 63.8 51.1 40.0 25.3 52.7
Year Lowest Occurred 1977 1979 1984 1966 1967 1979 1962 1982 1963 1988 1967 1989 1967
Mean Min. Temperature (F) 22.5 24.6 32.9 41.0 51.5 60.5 64.7 63.4 56.4 45.1 36.6 27.9 43.9
Highest Mean Min. Temperature (F) 31.7 31.4 38.0 45.2 54.6 65.1 67.9 68.0 61.9 54.5 43.5 34.5 46.4
Year Highest Occurred 1990 1990 1977 1981 1979 1973 1987 1988 1961 1971 1985 1971 1990
Lowest Mean Min. Temperature (F) 13.8 13.4 28.1 37.9 45.4 57.9 60.5 60.0 51.6 39.2 30.2 17.0 41.4
Year Lowest Occurred 1977 1978 1984 1972 1967 1979 1962 1963 1984 1974 1976 1989 1963
Mean Precipitation (in.) 2.83 2.64 3.37 3.43 3.85 3.68 3.74 3.09 3.42 3.17 3.23 3.36 39.81
Highest Precipitation (in.) 7.61 5.88 8.04 6.86 7.67 10.70 11.42 10.93 7.28 7.60 6.68 7.19 55.85
Year Highest Occurred 1979 1971 1983 1983 1990 1972 1989 1971 1975 1971 1972 1986 1971
Lowest Precipitation (in.) 0.00 0.00 0.98 0.84 0.19 0.29 0.88 1.15 0.56 0.17 0.44 0.56 23.23
Year Lowest Occurred 1987 1987 1976 1965 1964 1966 1983 1987 1978 1963 1981 1980 1965
Heating Degree Days (F) 1042. 868. 667. 372. 112. 0. 0. 0. 33. 275. 549. 884. 4802.
Cooling Degree Days (F) 0. 0. 0. 0. 47. 207. 332. 288. 120. 15. 0. 0. 1009.

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