LONG LAKE DAM, WISCONSIN

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 20.5 26.0 37.5 52.2 65.9 73.7 78.8 75.7 65.8 54.7 38.0 24.3 51.1
Highest Mean Max. Temperature (F) 31.6 36.0 46.2 60.9 76.8 80.1 83.7 81.4 69.6 67.7 44.9 30.5 55.0
Year Highest Occurred 1990 1987 1968 1987 1977 1988 1966 1969 1987 1963 1981 1987 1987
Lowest Mean Max. Temperature (F) 9.8 18.3 30.5 46.0 57.6 64.7 74.1 71.0 59.7 47.7 32.3 15.0 48.5
Year Lowest Occurred 1963 1963 1965 1975 1973 1969 1978 1977 1965 1987 1976 1983 1979
Mean Temperature (F) 8.9 12.4 24.5 39.2 51.8 60.5 65.8 63.0 54.0 43.6 29.3 14.6 39.0
Highest Mean Temperature (F) 20.1 24.4 33.5 45.2 60.0 65.7 70.8 68.9 58.4 53.0 35.1 22.8 42.3
Year Highest Occurred 1990 1984 1973 1986 1977 1971 1983 1983 1983 1971 1981 1987 1987
Lowest Mean Temperature (F) -1.3 3.8 15.7 31.8 45.6 53.7 62.0 58.3 48.2 37.6 23.1 5.1 36.8
Year Lowest Occurred 1977 1963 1965 1975 1967 1969 1962 1977 1974 1988 1976 1989 1979
Mean Min. Temperature (F) -2.8 -1.2 11.4 26.1 37.6 47.3 52.6 50.3 42.1 32.4 20.5 4.8 26.8
Highest Mean Min. Temperature (F) 8.5 15.9 23.4 32.5 44.9 52.5 58.7 56.9 48.4 44.3 25.3 15.4 30.9
Year Highest Occurred 1990 1983 1973 1986 1982 1984 1983 1984 1983 1971 1981 1982 1983
Lowest Mean Min. Temperature (F) -14.8 -10.8 0.8 17.5 30.3 41.9 47.6 45.2 35.1 24.5 13.9 -6.9 23.0
Year Lowest Occurred 1977 1963 1965 1975 1967 1982 1976 1976 1976 1976 1976 1976 1976
Mean Precipitation (in.) 1.25 0.96 1.75 2.48 3.28 3.84 3.48 4.45 4.12 2.70 2.22 1.61 32.14
Highest Precipitation (in.) 3.41 2.41 3.92 5.07 6.26 9.80 8.09 9.25 7.55 5.06 4.87 3.54 41.15
Year Highest Occurred 1967 1981 1979 1967 1973 1981 1982 1966 1986 1990 1985 1968 1985
Lowest Precipitation (in.) 0.29 0.18 0.31 0.94 0.22 1.85 1.29 0.91 0.73 0.35 0.37 0.60 19.20
Year Lowest Occurred 1961 1987 1978 1979 1986 1982 1975 1969 1976 1976 1981 1986 1976
Heating Degree Days (F) 1739. 1473. 1256. 774. 425. 163. 55. 116. 330. 663. 1071. 1562. 9627.
Cooling Degree Days (F) 0. 0. 0. 0. 16. 28. 80. 54. 0. 0. 0. 0. 178.

Western Regional Climate Center, wrcc@dri.edu