WALLOWA, OREGON

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 34.5 41.9 50.4 59.0 67.3 76.0 84.6 84.1 74.9 62.3 45.2 35.3 59.6
Highest Mean Max. Temperature (F) 40.8 51.8 57.6 69.3 72.6 83.3 90.7 91.8 85.8 73.7 49.8 40.9 63.0
Year Highest Occurred 1967 1963 1986 1987 1969 1986 1985 1967 1990 1988 1976 1977 1987
Lowest Mean Max. Temperature (F) 24.1 28.3 45.2 50.8 61.3 71.3 79.9 77.2 67.3 56.2 33.9 22.4 55.9
Year Lowest Occurred 1979 1989 1976 1975 1962 1980 1983 1976 1985 1969 1985 1985 1985
Mean Temperature (F) 26.4 32.2 38.5 44.9 52.0 59.4 64.9 64.2 56.1 46.2 35.6 27.2 45.6
Highest Mean Temperature (F) 33.8 40.0 44.1 51.4 55.0 63.7 69.1 68.3 62.4 54.3 38.9 33.9 47.3
Year Highest Occurred 1967 1963 1986 1987 1987 1986 1985 1971 1963 1988 1989 1977 1990
Lowest Mean Temperature (F) 14.3 18.5 33.5 38.9 49.0 56.3 61.2 60.1 51.1 42.3 25.0 12.7 41.5
Year Lowest Occurred 1979 1989 1969 1975 1977 1976 1986 1980 1961 1969 1985 1985 1985
Mean Min. Temperature (F) 18.3 22.5 26.4 30.8 36.7 42.9 45.2 44.2 37.2 30.1 26.0 19.0 31.6
Highest Mean Min. Temperature (F) 26.8 31.5 30.5 34.6 39.1 46.8 50.5 48.9 42.8 34.8 29.9 28.0 33.0
Year Highest Occurred 1981 1961 1986 1989 1986 1982 1975 1983 1966 1988 1988 1973 1981
Lowest Mean Min. Temperature (F) 4.4 8.6 19.5 26.9 33.8 39.3 41.8 40.1 33.1 23.5 16.1 3.0 27.1
Year Lowest Occurred 1979 1989 1969 1975 1965 1962 1969 1969 1971 1987 1985 1985 1985
Mean Precipitation (in.) 1.94 1.34 1.40 1.25 1.68 1.43 0.86 0.90 1.24 1.43 1.88 2.00 17.35
Highest Precipitation (in.) 4.70 3.91 3.05 3.74 3.34 3.93 3.27 4.34 2.83 4.32 3.66 7.02 23.36
Year Highest Occurred 1970 1986 1972 1978 1971 1981 1982 1989 1970 1975 1973 1964 1964
Lowest Precipitation (in.) 0.37 0.32 0.40 0.07 0.69 0.23 0.00 0.00 0.00 0.00 0.40 0.25 11.23
Year Lowest Occurred 1981 1967 1965 1977 1983 1986 1962 1969 1974 1987 1976 1976 1974
Heating Degree Days (F) 1197. 918. 822. 603. 403. 181. 64. 95. 284. 583. 882. 1172. 7204.
Cooling Degree Days (F) 0. 0. 0. 0. 0. 13. 61. 70. 17. 0. 0. 0. 161.

Western Regional Climate Center, wrcc@dri.edu