MIDDLETOWN 3 E, DELAWARE

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 54.7 65.1 74.8 83.2 87.1 85.5 79.6 67.6 56.8 46.2 65.6
Highest Mean Max. Temperature (F) 50.2 53.9 60.5 71.1 81.5 87.4 91.7 89.9 84.3 72.3 62.5 52.3 91.7
Year Highest Occurred 1990 1976 2000 1994 1991 1976 1999 1983 1980 1995 1999 1984 1999
Lowest Mean Max. Temperature (F) 31.6 31.6 47.1 59.0 70.6 79.3 82.2 82.3 75.5 61.7 51.3 33.6 31.6
Year Lowest Occurred 1977 1979 1984 1975 1973 1982 2000 2000 1975 1976 1976 1989 1979
Mean Temperature (F) 32.9 35.5 44.0 53.4 63.4 72.1 76.2 74.6 68.2 56.4 46.7 37.6 55.1
Highest Mean Temperature (F) 41.2 42.7 49.1 58.2 69.1 75.9 79.8 77.9 71.8 62.4 51.8 42.9 79.8
Year Highest Occurred 1998 1990 1977 1994 1991 1994 1999 1980 1980 1971 1985 1984 1999
Lowest Mean Temperature (F) 22.8 23.0 37.5 48.7 60.1 68.7 72.4 71.2 65.0 51.4 40.7 25.2 22.8
Year Lowest Occurred 1977 1979 1984 1975 1992 1979 2000 1992 1984 1988 1976 1989 1977
Mean Min. Temperature (F) 24.3 26.0 33.2 41.6 52.0 61.0 65.2 63.7 56.8 45.2 36.6 28.9 44.5
Highest Mean Min. Temperature (F) 32.8 32.4 37.9 45.2 56.6 65.1 68.4 68.0 61.3 54.5 43.7 34.4 68.4
Year Highest Occurred 1998 1998 1977 1994 1991 1973 1994 1988 1971 1971 1985 1971 1994
Lowest Mean Min. Temperature (F) 13.9 13.4 28.0 37.9 47.9 57.9 62.4 60.1 51.6 39.2 30.1 16.8 13.4
Year Lowest Occurred 1977 1978 1984 1972 1997 1979 1974 1992 1984 1974 1976 1989 1978
Mean Precipitation (in.) 3.17 2.50 3.71 3.48 4.04 3.59 3.96 3.21 3.80 3.50 3.31 3.31 41.58
Highest Precipitation (in.) 7.61 5.88 8.04 6.86 7.44 10.70 7.51 10.93 10.95 7.60 6.68 7.23 10.95
Year Highest Occurred 1979 1971 1983 1983 1983 1972 1975 1971 1999 1971 1972 1996 1999
Lowest Precipitation (in.) 0.56 0.00 0.98 1.13 1.01 0.98 0.88 1.06 0.56 0.93 0.44 0.56 0.00
Year Lowest Occurred 1981 1987 1976 1985 1986 1976 1983 1995 1978 2000 1981 1980 1987
Heating Degree Days (F) 996. 828. 652. 351. 107. 6. 0. 0. 25. 282. 550. 851. 4648.
Cooling Degree Days (F) 0. 0. 0. 2. 57. 220. 347. 297. 121. 17. 0. 0. 1061.

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