UKIAH, OREGON

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 36.0 42.8 48.9 56.3 64.2 73.4 82.5 82.6 73.7 62.9 46.4 37.0 58.9
Highest Mean Max. Temperature (F) 45.3 53.5 56.7 66.9 72.2 81.5 89.5 91.2 82.4 75.1 52.1 42.9 61.6
Year Highest Occurred 1981 1963 1986 1987 1966 1986 1985 1967 1967 1988 1976 1980 1966
Lowest Mean Max. Temperature (F) 23.8 31.3 43.8 47.2 58.3 66.0 76.1 73.4 65.0 53.1 32.0 25.7 54.9
Year Lowest Occurred 1979 1989 1985 1970 1977 1980 1983 1976 1985 1969 1985 1985 1985
Mean Temperature (F) 25.2 31.1 36.2 42.0 48.4 55.9 61.3 60.9 52.8 44.4 34.9 26.7 43.3
Highest Mean Temperature (F) 34.0 40.0 42.6 47.8 51.5 60.1 65.0 65.8 59.8 51.6 39.8 34.8 45.2
Year Highest Occurred 1981 1963 1986 1987 1966 1986 1985 1971 1963 1988 1965 1973 1966
Lowest Mean Temperature (F) 10.6 14.9 28.2 35.8 45.4 51.1 57.3 55.9 47.4 38.9 20.5 13.7 38.0
Year Lowest Occurred 1979 1989 1985 1970 1977 1964 1986 1980 1985 1969 1985 1985 1985
Mean Min. Temperature (F) 14.4 19.3 23.4 27.7 32.7 38.3 39.9 39.2 31.8 26.0 23.4 16.2 27.7
Highest Mean Min. Temperature (F) 24.2 28.9 29.0 31.4 35.4 43.9 44.3 43.7 37.2 31.4 28.7 27.3 29.4
Year Highest Occurred 1967 1961 1978 1979 1980 1970 1975 1983 1963 1963 1966 1973 1967
Lowest Mean Min. Temperature (F) -2.6 -1.5 12.6 23.4 29.4 31.9 36.6 33.5 27.2 20.2 9.0 1.7 21.1
Year Lowest Occurred 1979 1989 1985 1982 1982 1964 1962 1980 1974 1987 1985 1985 1985
Mean Precipitation (in.) 1.93 1.30 1.42 1.29 1.60 1.21 0.63 0.85 0.85 1.25 2.07 1.99 16.39
Highest Precipitation (in.) 4.89 3.72 3.02 3.09 3.70 2.97 2.79 4.08 1.91 2.69 5.04 5.26 21.03
Year Highest Occurred 1970 1986 1983 1963 1962 1969 1975 1976 1977 1979 1973 1964 1970
Lowest Precipitation (in.) 0.35 0.46 0.42 0.17 0.35 0.09 0.00 0.00 0.00 0.03 0.74 0.01 9.04
Year Lowest Occurred 1985 1967 1969 1977 1975 1962 1962 1986 1975 1988 1974 1976 1985
Heating Degree Days (F) 1234. 949. 893. 690. 515. 279. 130. 158. 372. 639. 903. 1187. 7949.
Cooling Degree Days (F) 0. 0. 0. 0. 0. 6. 16. 30. 6. 0. 0. 0. 58.

Western Regional Climate Center, wrcc@dri.edu