DARRINGTON RANGER STN, WASHINGTON

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 40.5 46.1 51.2 58.1 65.1 69.9 75.7 76.0 70.0 59.6 47.2 40.3 58.3
Highest Mean Max. Temperature (F) 48.2 53.4 58.7 66.4 72.8 76.2 86.8 84.6 77.3 68.1 51.1 45.1 62.2
Year Highest Occurred 1981 1963 1986 1990 1983 1986 1985 1986 1974 1987 1976 1962 1987
Lowest Mean Max. Temperature (F) 30.3 40.9 43.1 51.4 58.5 63.4 69.0 67.8 63.0 53.8 37.8 35.0 55.6
Year Lowest Occurred 1969 1989 1971 1970 1962 1971 1963 1976 1972 1968 1985 1990 1971
Mean Temperature (F) 34.3 38.3 42.2 47.5 53.9 59.2 63.7 63.8 58.0 49.4 40.6 34.8 48.8
Highest Mean Temperature (F) 40.6 44.1 47.6 53.2 58.6 63.7 70.1 68.7 62.7 53.6 44.4 40.0 51.4
Year Highest Occurred 1983 1963 1986 1987 1983 1969 1985 1986 1990 1988 1987 1973 1987
Lowest Mean Temperature (F) 25.4 31.7 36.5 43.3 49.7 54.9 60.1 59.5 52.4 45.9 30.6 28.4 46.7
Year Lowest Occurred 1969 1989 1971 1975 1974 1971 1963 1964 1972 1970 1985 1983 1972
Mean Min. Temperature (F) 28.1 30.5 33.1 36.8 42.7 48.4 51.6 51.6 46.0 39.1 34.1 29.3 39.3
Highest Mean Min. Temperature (F) 34.0 34.9 36.6 40.5 47.2 53.8 56.5 55.2 49.8 43.5 38.3 36.0 40.6
Year Highest Occurred 1986 1983 1983 1987 1979 1969 1979 1981 1990 1988 1987 1973 1986
Lowest Mean Min. Temperature (F) 20.4 22.4 28.3 31.9 39.7 44.7 48.7 47.9 41.3 34.6 23.3 20.8 37.1
Year Lowest Occurred 1969 1989 1965 1982 1982 1976 1988 1973 1961 1972 1985 1983 1972
Mean Precipitation (in.) 12.09 9.24 8.59 5.35 3.76 2.79 1.73 2.03 3.86 7.17 12.43 12.28 81.32
Highest Precipitation (in.) 23.19 19.29 15.62 10.10 10.27 7.08 5.94 5.35 9.96 19.87 26.52 24.70 102.64
Year Highest Occurred 1974 1972 1971 1981 1984 1968 1983 1975 1972 1967 1990 1979 1974
Lowest Precipitation (in.) 1.14 1.86 1.59 2.49 0.84 0.23 0.00 0.05 0.01 0.17 2.32 2.27 54.71
Year Lowest Occurred 1985 1962 1965 1983 1982 1965 1985 1981 1990 1987 1979 1985 1978
Heating Degree Days (F) 952. 748. 707. 525. 344. 193. 98. 108. 228. 484. 732. 936. 6055.
Cooling Degree Days (F) 0. 0. 0. 0. 0. 19. 58. 71. 18. 0. 0. 0. 166.

Western Regional Climate Center, wrcc@dri.edu