SMYRNA, WASHINGTON

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 38.6 46.8 57.4 65.9 75.1 83.8 91.1 90.5 80.4 66.7 49.4 38.4 65.3
Highest Mean Max. Temperature (F) 47.7 54.3 62.6 73.0 79.3 90.7 99.1 97.7 87.7 72.3 56.5 44.7 68.2
Year Highest Occurred 1967 1967 1981 1977 1969 1961 1985 1967 1967 1988 1990 1966 1967
Lowest Mean Max. Temperature (F) 25.4 35.6 51.9 60.0 69.4 77.9 85.2 84.5 72.3 62.4 36.6 25.5 62.2
Year Lowest Occurred 1979 1989 1971 1967 1962 1980 1986 1976 1985 1968 1985 1985 1985
Mean Temperature (F) 30.4 36.8 44.8 52.1 60.5 68.8 74.6 73.6 63.7 51.6 39.6 30.6 52.3
Highest Mean Temperature (F) 38.9 42.9 48.0 56.7 64.0 73.2 79.8 79.9 69.5 56.4 44.3 37.1 54.6
Year Highest Occurred 1990 1961 1986 1977 1969 1961 1985 1961 1967 1988 1990 1973 1967
Lowest Mean Temperature (F) 15.1 25.9 40.5 47.7 55.7 64.1 70.4 69.9 58.3 48.3 26.1 19.2 48.8
Year Lowest Occurred 1979 1989 1971 1967 1984 1971 1986 1985 1985 1984 1985 1985 1985
Mean Min. Temperature (F) 22.2 26.8 32.1 38.3 45.9 53.8 58.0 56.7 47.0 36.4 29.7 22.8 39.1
Highest Mean Min. Temperature (F) 32.9 34.2 36.4 41.5 48.6 58.0 63.1 62.5 52.3 41.5 34.8 30.5 41.0
Year Highest Occurred 1981 1961 1983 1974 1969 1969 1975 1961 1963 1963 1989 1973 1967
Lowest Mean Min. Temperature (F) 4.7 16.0 28.1 32.7 41.2 50.0 55.0 52.3 43.1 32.0 15.6 12.9 35.4
Year Lowest Occurred 1979 1985 1985 1982 1984 1971 1980 1980 1983 1984 1985 1985 1985
Mean Precipitation (in.) 0.97 0.78 0.70 0.47 0.55 0.47 0.25 0.36 0.38 0.43 1.12 1.35 7.83
Highest Precipitation (in.) 2.48 2.20 2.43 1.87 1.88 2.06 1.08 1.44 1.40 1.57 4.08 3.23 14.04
Year Highest Occurred 1970 1980 1983 1963 1980 1984 1966 1968 1971 1982 1973 1973 1983
Lowest Precipitation (in.) 0.06 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.05 4.07
Year Lowest Occurred 1977 1988 1964 1985 1966 1973 1989 1989 1990 1987 1990 1976 1976
Heating Degree Days (F) 1073. 790. 626. 387. 156. 30. 0. 12. 114. 415. 762. 1066. 5431.
Cooling Degree Days (F) 0. 0. 0. 0. 17. 144. 301. 278. 75. 0. 0. 0. 815.

Western Regional Climate Center, wrcc@dri.edu