P RANCH REFUGE, OREGON

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 41.5 47.8 53.2 61.0 68.8 77.0 85.6 85.2 77.4 66.7 50.6 42.1 63.1
Highest Mean Max. Temperature (F) 48.4 55.0 59.9 70.2 75.4 83.8 90.5 91.6 85.1 78.7 60.0 49.7 65.8
Year Highest Occurred 1961 1988 1986 1990 1966 1974 1968 1967 1981 1988 1976 1980 1990
Lowest Mean Max. Temperature (F) 32.0 35.8 48.5 50.9 61.9 69.1 79.9 76.9 67.4 56.6 42.2 35.1 59.6
Year Lowest Occurred 1979 1989 1962 1967 1977 1984 1987 1976 1986 1984 1985 1985 1984
Mean Temperature (F) 30.6 36.0 39.8 45.8 53.1 60.3 66.2 64.9 56.9 48.4 38.5 31.5 47.7
Highest Mean Temperature (F) 36.3 43.7 44.9 52.8 56.9 65.9 70.1 71.1 61.9 55.8 42.0 37.3 48.9
Year Highest Occurred 1967 1963 1986 1990 1966 1961 1985 1971 1963 1988 1966 1973 1980
Lowest Mean Temperature (F) 21.4 25.4 36.4 38.7 49.0 54.5 62.1 60.8 49.8 39.9 31.2 22.8 44.9
Year Lowest Occurred 1979 1989 1977 1975 1977 1984 1987 1976 1985 1969 1985 1985 1985
Mean Min. Temperature (F) 19.7 24.2 26.4 30.6 37.4 43.6 46.7 44.6 36.4 30.1 26.3 20.7 32.2
Highest Mean Min. Temperature (F) 27.7 32.5 32.8 35.3 43.0 48.6 51.5 51.8 43.8 37.1 33.6 28.6 34.3
Year Highest Occurred 1967 1963 1983 1990 1963 1961 1975 1971 1963 1963 1973 1973 1963
Lowest Mean Min. Temperature (F) 8.5 15.0 20.7 25.8 33.9 39.8 43.1 37.4 32.1 21.5 19.1 8.8 29.3
Year Lowest Occurred 1977 1989 1965 1976 1982 1984 1986 1969 1985 1969 1978 1990 1985
Mean Precipitation (in.) 1.03 0.84 1.13 1.06 1.26 1.13 0.37 0.72 0.72 0.90 1.34 1.26 11.76
Highest Precipitation (in.) 3.13 3.43 3.20 3.23 2.96 2.79 1.89 3.07 2.08 3.12 2.94 4.91 22.57
Year Highest Occurred 1972 1986 1983 1978 1981 1987 1987 1976 1986 1962 1968 1983 1983
Lowest Precipitation (in.) 0.09 0.00 0.20 0.11 0.15 0.00 0.00 0.00 0.00 0.00 0.12 0.01 5.91
Year Lowest Occurred 1985 1964 1977 1961 1976 1962 1988 1988 1990 1988 1976 1976 1985
Heating Degree Days (F) 1066. 812. 781. 576. 369. 166. 47. 90. 259. 515. 795. 1039. 6515.
Cooling Degree Days (F) 0. 0. 0. 0. 0. 25. 84. 87. 16. 0. 0. 0. 212.

Western Regional Climate Center, wrcc@dri.edu