CLEARWATER, WASHINGTON

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 46.1 50.4 53.3 56.9 62.0 65.9 69.8 70.9 68.9 61.1 51.5 45.8 58.6
Highest Mean Max. Temperature (F) 51.2 57.5 58.6 62.0 66.0 70.1 75.8 77.5 75.6 66.8 56.1 50.5 59.9
Year Highest Occurred 1981 1963 1981 1987 1983 1986 1985 1967 1974 1964 1976 1979 1987
Lowest Mean Max. Temperature (F) 39.1 42.4 48.5 52.2 57.0 61.9 66.2 65.5 64.9 55.9 41.9 40.0 56.9
Year Lowest Occurred 1969 1989 1971 1975 1974 1971 1964 1975 1972 1990 1985 1990 1975
Mean Temperature (F) 39.8 42.8 44.5 47.4 51.9 56.2 59.4 60.1 57.7 51.5 44.4 40.2 49.7
Highest Mean Temperature (F) 44.6 47.6 48.5 50.9 55.1 59.8 62.4 63.5 61.9 57.0 48.8 44.9 51.0
Year Highest Occurred 1983 1963 1986 1987 1983 1969 1985 1967 1967 1979 1965 1979 1986
Lowest Mean Temperature (F) 32.8 34.3 40.5 43.5 48.7 53.1 55.5 55.8 54.3 48.1 36.3 34.5 48.2
Year Lowest Occurred 1979 1989 1976 1975 1974 1976 1977 1973 1972 1990 1985 1983 1985
Mean Min. Temperature (F) 33.5 35.1 35.6 37.9 41.7 46.4 48.9 49.2 46.4 41.9 37.3 34.5 40.7
Highest Mean Min. Temperature (F) 38.5 39.3 40.4 41.6 44.2 51.5 51.9 51.9 51.7 51.1 41.9 40.6 42.7
Year Highest Occurred 1983 1961 1986 1990 1983 1969 1983 1990 1979 1979 1965 1980 1986
Lowest Mean Min. Temperature (F) 24.9 26.2 31.5 33.7 38.6 43.3 43.8 44.9 42.9 35.8 30.0 27.9 39.1
Year Lowest Occurred 1979 1989 1976 1982 1978 1979 1977 1973 1971 1974 1979 1978 1985
Mean Precipitation (in.) 16.47 14.32 13.00 8.68 6.05 3.39 2.88 3.03 6.07 11.57 16.80 17.76 120.02
Highest Precipitation (in.) 27.59 33.67 22.99 16.78 14.98 8.08 13.69 9.74 16.89 33.40 28.92 33.49 156.75
Year Highest Occurred 1967 1961 1974 1970 1974 1981 1983 1978 1978 1975 1977 1979 1968
Lowest Precipitation (in.) 2.35 4.68 3.91 3.00 1.43 0.42 0.15 0.18 0.14 1.80 5.12 3.72 78.68
Year Lowest Occurred 1985 1962 1965 1973 1982 1967 1985 1986 1989 1972 1979 1985 1985
Heating Degree Days (F) 781. 622. 636. 528. 406. 264. 176. 161. 223. 419. 618. 769. 5603.
Cooling Degree Days (F) 0. 0. 0. 0. 0. 0. 0. 9. 0. 0. 0. 0. 9.

Western Regional Climate Center, wrcc@dri.edu