COTTAGE GROVE 1 S, OREGON

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 47.9 53.2 56.8 61.4 67.6 74.3 81.3 81.8 76.3 65.6 53.6 47.7 64.0
Highest Mean Max. Temperature (F) 52.6 59.4 63.1 68.3 71.7 80.0 87.4 90.7 84.3 73.2 57.4 53.2 66.4
Year Highest Occurred 1961 1968 1986 1987 1973 1987 1985 1967 1974 1987 1980 1979 1987
Lowest Mean Max. Temperature (F) 39.9 46.5 52.3 56.0 62.1 68.6 74.5 76.5 71.1 61.5 46.3 42.6 61.9
Year Lowest Occurred 1979 1989 1975 1963 1962 1980 1963 1968 1977 1984 1985 1990 1971
Mean Temperature (F) 40.3 43.7 46.2 49.1 54.2 60.0 64.4 64.8 60.1 53.0 45.5 40.5 51.8
Highest Mean Temperature (F) 44.2 50.3 50.0 53.8 58.0 63.1 67.6 68.8 64.9 56.6 48.5 44.2 53.1
Year Highest Occurred 1990 1963 1986 1989 1969 1961 1990 1977 1963 1988 1962 1979 1990
Lowest Mean Temperature (F) 32.8 35.8 42.7 45.2 51.6 55.8 61.0 61.3 56.4 50.3 37.6 34.1 49.7
Year Lowest Occurred 1979 1989 1985 1970 1965 1976 1963 1980 1985 1971 1985 1985 1985
Mean Min. Temperature (F) 32.6 34.2 35.4 36.9 40.8 45.7 47.5 47.7 43.8 40.4 37.4 33.4 39.7
Highest Mean Min. Temperature (F) 37.9 41.3 39.2 41.0 44.2 51.7 51.3 56.2 50.2 44.2 40.7 38.4 41.3
Year Highest Occurred 1990 1963 1983 1990 1969 1969 1982 1983 1963 1962 1983 1973 1983
Lowest Mean Min. Temperature (F) 25.6 25.0 31.2 32.1 37.4 40.7 44.1 42.1 39.9 33.5 28.8 23.9 36.3
Year Lowest Occurred 1963 1989 1985 1982 1966 1976 1986 1988 1970 1987 1985 1985 1985
Mean Precipitation (in.) 6.53 5.09 5.24 3.59 2.43 1.39 0.52 1.00 1.65 3.45 7.46 7.20 45.55
Highest Precipitation (in.) 13.59 13.67 9.49 6.74 4.50 3.21 3.44 4.86 4.33 6.38 16.89 17.81 58.97
Year Highest Occurred 1964 1961 1961 1979 1988 1969 1987 1968 1986 1990 1973 1964 1961
Lowest Precipitation (in.) 0.82 1.06 1.00 1.34 0.55 0.17 0.00 0.00 0.03 0.09 1.76 1.37 29.55
Year Lowest Occurred 1985 1988 1965 1966 1982 1987 1973 1988 1975 1987 1976 1976 1985
Heating Degree Days (F) 766. 596. 583. 477. 335. 160. 65. 70. 165. 372. 585. 760. 4934.
Cooling Degree Days (F) 0. 0. 0. 0. 0. 10. 47. 64. 18. 0. 0. 0. 139.

Western Regional Climate Center, wrcc@dri.edu