HILLSBORO, WISCONSIN

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 23.3 29.4 41.5 56.2 68.9 78.4 83.2 80.2 71.0 60.2 43.7 28.7 55.4
Highest Mean Max. Temperature (F) 36.0 38.7 52.8 65.1 78.7 84.2 87.7 87.2 76.1 70.5 51.5 37.0 57.8
Year Highest Occurred 1990 1984 1968 1977 1977 1988 1976 1983 1976 1963 1975 1982 1987
Lowest Mean Max. Temperature (F) 11.8 21.0 30.2 48.1 62.4 70.8 77.7 75.8 65.8 53.5 36.9 17.8 52.6
Year Lowest Occurred 1977 1979 1965 1969 1983 1969 1962 1979 1965 1987 1985 1963 1979
Mean Temperature (F) 12.3 17.5 31.2 44.5 56.4 66.0 70.9 68.0 58.9 48.2 33.8 18.8 43.9
Highest Mean Temperature (F) 26.8 28.7 40.2 52.0 64.1 70.2 74.6 73.8 63.7 57.5 38.9 29.0 47.3
Year Highest Occurred 1990 1984 1973 1977 1977 1971 1977 1983 1978 1963 1975 1965 1987
Lowest Mean Temperature (F) -1.2 7.1 21.0 35.0 50.3 58.8 66.1 63.6 55.1 41.2 26.0 7.8 41.5
Year Lowest Occurred 1977 1979 1965 1969 1967 1969 1971 1967 1962 1988 1976 1983 1979
Mean Min. Temperature (F) 1.3 5.6 20.7 32.7 43.9 53.5 58.7 55.7 46.8 36.2 23.9 8.9 32.3
Highest Mean Min. Temperature (F) 17.5 18.6 30.0 40.0 51.7 57.7 63.8 60.9 52.1 45.8 29.2 21.1 36.6
Year Highest Occurred 1990 1984 1973 1985 1962 1971 1987 1973 1978 1971 1987 1965 1987
Lowest Mean Min. Temperature (F) -14.2 -6.8 11.5 21.9 36.5 45.0 52.7 50.5 41.7 28.7 13.4 -5.3 29.6
Year Lowest Occurred 1977 1979 1969 1969 1967 1982 1971 1967 1975 1988 1976 1985 1969
Mean Precipitation (in.) 0.83 0.97 1.97 2.97 3.49 3.90 3.73 4.04 4.16 2.38 1.99 1.26 31.69
Highest Precipitation (in.) 2.41 3.53 4.21 7.21 7.06 10.30 8.76 13.81 11.12 8.21 5.50 3.08 44.02
Year Highest Occurred 1969 1971 1961 1981 1973 1990 1978 1980 1965 1984 1982 1968 1965
Lowest Precipitation (in.) 0.10 0.00 0.26 0.99 0.78 0.56 1.29 0.09 0.71 0.16 0.00 0.21 18.52
Year Lowest Occurred 1981 1969 1978 1967 1981 1966 1967 1970 1982 1964 1976 1989 1966
Heating Degree Days (F) 1634. 1330. 1048. 615. 293. 67. 12. 39. 192. 527. 936. 1432. 8125.
Cooling Degree Days (F) 0. 0. 0. 0. 27. 97. 195. 132. 9. 6. 0. 0. 466.

Western Regional Climate Center, wrcc@dri.edu