DRAIN 1 NNE, OREGON

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 47.8 53.2 57.6 62.4 69.1 75.9 82.8 83.1 77.9 66.8 53.9 47.4 64.8
Highest Mean Max. Temperature (F) 52.7 59.2 63.4 69.8 74.0 81.3 88.5 92.1 85.1 75.8 57.1 51.8 67.3
Year Highest Occurred 1961 1968 1986 1987 1966 1961 1967 1967 1974 1987 1967 1980 1987
Lowest Mean Max. Temperature (F) 41.1 46.7 52.6 56.1 63.1 69.0 74.5 76.9 71.4 61.1 46.0 41.8 62.3
Year Lowest Occurred 1979 1989 1971 1975 1977 1980 1983 1975 1978 1984 1985 1990 1971
Mean Temperature (F) 40.7 44.3 47.2 50.6 56.0 62.0 66.4 66.7 62.0 54.6 46.5 41.1 53.2
Highest Mean Temperature (F) 44.4 49.8 52.4 55.9 59.5 64.8 69.6 70.7 65.4 58.8 49.5 45.2 54.8
Year Highest Occurred 1986 1963 1986 1989 1987 1986 1990 1977 1974 1988 1976 1973 1987
Lowest Mean Temperature (F) 34.0 36.7 43.8 45.8 52.3 58.4 63.2 63.4 57.2 51.4 39.3 34.9 51.6
Year Lowest Occurred 1979 1989 1971 1975 1962 1976 1963 1975 1961 1971 1985 1990 1971
Mean Min. Temperature (F) 33.5 35.4 36.8 38.7 42.8 48.0 49.9 50.2 46.1 42.4 39.0 34.7 41.5
Highest Mean Min. Temperature (F) 38.9 40.5 42.5 44.6 47.1 52.3 53.6 54.8 50.3 47.7 42.3 39.7 43.8
Year Highest Occurred 1978 1983 1983 1980 1980 1969 1979 1977 1979 1988 1983 1977 1983
Lowest Mean Min. Temperature (F) 24.0 26.7 30.5 33.9 38.4 43.3 44.1 44.9 40.0 36.1 32.1 26.8 39.2
Year Lowest Occurred 1963 1989 1969 1968 1965 1962 1962 1970 1970 1974 1961 1985 1962
Mean Precipitation (in.) 7.04 5.50 5.27 3.34 2.17 1.14 0.45 0.87 1.46 3.47 7.66 7.77 46.14
Highest Precipitation (in.) 13.34 12.41 10.48 7.17 4.50 2.69 2.90 3.70 4.55 6.50 19.67 17.82 63.82
Year Highest Occurred 1970 1986 1983 1982 1963 1984 1987 1968 1986 1962 1973 1964 1983
Lowest Precipitation (in.) 0.21 1.48 0.71 0.97 0.57 0.13 0.00 0.00 0.00 0.06 1.24 1.23 32.11
Year Lowest Occurred 1963 1988 1965 1966 1982 1966 1977 1980 1965 1987 1976 1976 1976
Heating Degree Days (F) 753. 580. 552. 432. 279. 109. 37. 37. 120. 322. 555. 741. 4517.
Cooling Degree Days (F) 0. 0. 0. 0. 0. 19. 80. 90. 30. 0. 0. 0. 219.

Western Regional Climate Center, wrcc@dri.edu