AITKIN, MINNESOTA

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 17.3 24.2 37.3 53.1 66.2 75.3 80.1 77.4 66.8 55.6 37.4 21.4 51.0
Highest Mean Max. Temperature (F) 30.2 36.8 46.9 65.4 76.5 81.1 84.8 84.1 72.4 68.2 43.6 29.9 55.9
Year Highest Occurred 1990 1987 1968 1987 1977 1961 1970 1961 1976 1971 1963 1982 1987
Lowest Mean Max. Temperature (F) 7.2 14.1 29.1 45.9 58.6 68.0 75.9 71.0 56.9 48.4 28.8 11.5 47.7
Year Lowest Occurred 1977 1989 1965 1975 1974 1969 1971 1977 1965 1976 1985 1985 1972
Mean Temperature (F) 5.9 12.4 26.4 41.7 53.8 63.1 68.2 65.7 55.8 44.9 28.8 12.0 39.9
Highest Mean Temperature (F) 20.7 26.4 35.0 50.0 63.0 66.7 71.5 71.9 59.6 56.9 34.1 21.9 44.8
Year Highest Occurred 1990 1987 1973 1987 1977 1987 1970 1983 1978 1971 1981 1982 1987
Lowest Mean Temperature (F) -4.8 3.0 15.6 35.5 47.4 56.3 64.2 60.4 48.5 36.3 20.6 -1.0 36.8
Year Lowest Occurred 1982 1989 1965 1961 1967 1969 1971 1977 1965 1976 1985 1983 1972
Mean Min. Temperature (F) -5.6 0.5 15.4 30.2 41.4 50.8 56.3 54.0 44.7 34.2 20.2 2.4 28.7
Highest Mean Min. Temperature (F) 11.2 16.0 25.8 35.3 49.5 55.7 60.6 61.2 49.1 45.6 25.1 14.1 33.8
Year Highest Occurred 1990 1987 1973 1986 1977 1984 1975 1983 1978 1971 1981 1987 1987
Lowest Mean Min. Temperature (F) -17.5 -10.2 2.1 24.9 35.0 44.5 52.4 49.7 38.9 24.1 11.1 -13.9 25.7
Year Lowest Occurred 1982 1967 1965 1961 1967 1969 1971 1977 1974 1976 1976 1983 1972
Mean Precipitation (in.) 0.81 0.58 1.54 2.25 2.99 4.11 4.11 3.92 3.16 2.44 1.46 0.94 28.31
Highest Precipitation (in.) 2.62 2.08 4.65 4.32 6.72 8.41 7.50 10.22 9.10 7.31 4.06 2.09 39.97
Year Highest Occurred 1969 1971 1965 1968 1962 1965 1966 1978 1986 1971 1971 1968 1965
Lowest Precipitation (in.) 0.10 0.02 0.27 0.12 0.73 0.62 0.44 0.30 0.41 0.31 0.19 0.09 15.23
Year Lowest Occurred 1963 1988 1980 1987 1976 1961 1970 1969 1966 1964 1962 1975 1976
Heating Degree Days (F) 1832. 1473. 1197. 699. 363. 116. 30. 71. 282. 623. 1086. 1643. 9415.
Cooling Degree Days (F) 0. 0. 0. 0. 16. 59. 129. 93. 6. 0. 0. 0. 303.

Western Regional Climate Center, wrcc@dri.edu