OAKRIDGE FISH HATCHERY, OREGON

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 46.3 52.0 56.1 61.3 68.0 75.2 82.1 82.9 77.3 66.7 52.3 45.5 63.8
Highest Mean Max. Temperature (F) 53.2 59.2 63.2 70.8 73.3 81.9 88.8 91.5 86.1 77.3 59.9 50.7 66.1
Year Highest Occurred 1961 1968 1986 1987 1969 1961 1985 1967 1974 1987 1976 1962 1987
Lowest Mean Max. Temperature (F) 40.4 45.6 49.5 54.6 62.3 68.0 74.6 76.6 69.8 60.2 44.4 37.4 61.7
Year Lowest Occurred 1969 1989 1971 1975 1977 1980 1989 1976 1986 1984 1985 1990 1989
Mean Temperature (F) 38.0 41.7 44.8 49.1 54.8 61.2 65.9 66.2 60.9 52.8 43.6 38.1 51.4
Highest Mean Temperature (F) 42.7 47.0 50.1 54.3 58.7 65.9 69.7 71.1 66.4 57.3 47.6 42.6 52.6
Year Highest Occurred 1981 1968 1978 1987 1969 1961 1985 1967 1963 1988 1976 1977 1987
Lowest Mean Temperature (F) 34.4 35.0 40.3 43.9 51.8 56.9 62.4 62.9 56.4 49.3 37.1 31.0 49.8
Year Lowest Occurred 1963 1989 1971 1975 1977 1980 1989 1975 1986 1971 1985 1990 1971
Mean Min. Temperature (F) 29.7 31.4 33.5 36.8 41.5 47.2 49.7 49.5 44.5 38.8 34.8 30.7 39.0
Highest Mean Min. Temperature (F) 35.0 36.5 37.7 40.0 44.2 52.3 52.0 53.5 50.7 43.3 38.0 36.0 40.4
Year Highest Occurred 1978 1961 1978 1990 1987 1969 1975 1990 1963 1979 1965 1977 1983
Lowest Mean Min. Temperature (F) 23.7 24.3 30.0 33.2 38.9 43.5 47.2 45.7 40.4 33.7 28.9 24.5 36.9
Year Lowest Occurred 1963 1989 1965 1975 1964 1976 1962 1980 1965 1974 1978 1990 1985
Mean Precipitation (in.) 6.49 4.86 4.84 3.62 2.61 1.68 0.63 1.11 1.78 3.47 7.18 7.19 45.46
Highest Precipitation (in.) 13.25 10.32 8.59 6.16 5.40 3.96 3.78 4.69 6.13 7.28 17.89 21.47 62.95
Year Highest Occurred 1964 1986 1972 1979 1977 1964 1987 1976 1986 1984 1973 1964 1964
Lowest Precipitation (in.) 0.47 1.28 0.78 1.15 0.42 0.00 0.00 0.00 0.00 0.00 1.40 1.22 29.89
Year Lowest Occurred 1985 1989 1965 1966 1982 1987 1988 1988 1987 1987 1976 1976 1985
Heating Degree Days (F) 837. 652. 626. 477. 316. 140. 49. 54. 155. 378. 642. 834. 5160.
Cooling Degree Days (F) 0. 0. 0. 0. 0. 26. 77. 92. 32. 0. 0. 0. 227.

Western Regional Climate Center, wrcc@dri.edu