GLENOMA, WASHINGTON

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 45.0 49.9 53.5 58.4 65.0 71.1 76.7 77.6 72.3 63.1 51.4 45.2 60.8
Highest Mean Max. Temperature (F) 55.2 57.0 59.9 64.4 69.9 78.5 85.6 87.8 79.3 74.0 57.0 49.7 64.7
Year Highest Occurred 1981 1963 1986 1989 1969 1961 1985 1967 1967 1987 1976 1979 1987
Lowest Mean Max. Temperature (F) 36.5 44.6 47.2 52.2 58.7 63.4 71.6 69.5 66.2 57.6 42.5 38.4 58.2
Year Lowest Occurred 1969 1979 1971 1970 1962 1971 1986 1976 1978 1975 1985 1990 1971
Mean Temperature (F) 37.7 41.1 43.8 47.6 53.4 59.0 63.3 63.5 58.8 51.0 43.2 38.1 50.0
Highest Mean Temperature (F) 46.7 46.5 48.7 51.7 57.1 63.6 67.8 67.8 63.2 56.0 47.8 43.4 52.4
Year Highest Occurred 1981 1968 1986 1987 1983 1961 1985 1986 1974 1987 1987 1979 1987
Lowest Mean Temperature (F) 30.5 34.9 38.9 43.2 49.6 54.4 60.0 60.1 54.5 48.1 34.7 31.8 48.3
Year Lowest Occurred 1969 1989 1971 1975 1962 1971 1963 1966 1972 1971 1985 1990 1964
Mean Min. Temperature (F) 30.2 32.3 34.0 36.8 41.8 46.9 49.8 49.4 45.2 38.8 35.0 31.0 39.3
Highest Mean Min. Temperature (F) 38.2 36.8 38.2 40.0 44.7 53.3 52.5 53.0 49.4 43.3 38.9 37.0 41.4
Year Highest Occurred 1981 1983 1983 1980 1983 1969 1975 1977 1979 1988 1987 1979 1981
Lowest Mean Min. Temperature (F) 22.7 24.5 29.7 32.6 37.1 42.5 46.2 42.6 39.7 34.3 26.8 25.2 37.0
Year Lowest Occurred 1963 1989 1965 1975 1965 1962 1962 1966 1965 1966 1985 1990 1985
Mean Precipitation (in.) 9.77 7.14 6.33 5.20 3.48 2.79 1.24 1.70 3.20 5.11 9.64 9.93 65.53
Highest Precipitation (in.) 16.95 14.01 10.71 8.01 8.34 8.66 5.58 6.49 5.96 15.95 24.25 20.63 88.13
Year Highest Occurred 1975 1961 1989 1981 1984 1981 1983 1968 1972 1967 1990 1977 1990
Lowest Precipitation (in.) 0.65 2.43 1.30 2.40 1.20 0.35 0.00 0.08 0.17 0.23 2.34 2.21 49.52
Year Lowest Occurred 1985 1962 1965 1966 1967 1965 1967 1984 1975 1987 1976 1985 1969
Heating Degree Days (F) 846. 669. 657. 522. 360. 194. 87. 101. 200. 434. 654. 834. 5558.
Cooling Degree Days (F) 0. 0. 0. 0. 0. 14. 35. 54. 14. 0. 0. 0. 117.

Western Regional Climate Center, wrcc@dri.edu