APPLETON, WASHINGTON

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 34.1 39.8 46.3 53.6 62.2 70.4 77.8 77.9 69.3 57.3 42.1 35.1 55.5
Highest Mean Max. Temperature (F) 40.1 46.3 51.7 60.7 68.5 76.6 86.3 87.4 80.4 68.1 46.8 42.3 58.6
Year Highest Occurred 1983 1963 1986 1977 1969 1986 1985 1967 1990 1988 1989 1980 1987
Lowest Mean Max. Temperature (F) 22.9 31.2 39.7 48.8 54.4 63.3 71.3 71.5 62.2 52.0 32.0 25.8 53.3
Year Lowest Occurred 1979 1989 1971 1975 1962 1981 1983 1968 1978 1984 1985 1985 1985
Mean Temperature (F) 28.5 33.3 38.0 43.4 50.4 57.7 63.4 63.6 56.2 46.5 36.1 29.6 45.6
Highest Mean Temperature (F) 34.9 38.1 43.0 48.4 55.1 62.5 69.6 69.9 63.7 54.2 40.6 36.2 47.5
Year Highest Occurred 1983 1963 1986 1990 1969 1986 1985 1967 1990 1988 1989 1980 1967
Lowest Mean Temperature (F) 15.9 23.2 32.6 39.3 46.0 53.4 58.8 58.8 50.9 42.9 25.0 19.7 43.1
Year Lowest Occurred 1979 1989 1971 1975 1977 1980 1963 1964 1985 1984 1985 1985 1985
Mean Min. Temperature (F) 22.8 26.7 29.7 33.2 38.5 45.0 48.9 49.3 43.0 35.7 30.1 24.0 35.6
Highest Mean Min. Temperature (F) 30.0 31.9 34.7 37.0 41.8 50.3 53.3 54.4 48.0 40.3 34.4 30.4 37.2
Year Highest Occurred 1990 1961 1983 1990 1987 1969 1975 1977 1963 1988 1989 1973 1981
Lowest Mean Min. Temperature (F) 8.8 15.2 25.3 29.7 35.6 41.5 45.2 45.9 38.7 32.9 17.9 13.6 32.7
Year Lowest Occurred 1979 1989 1976 1975 1977 1976 1963 1964 1985 1970 1985 1985 1985
Mean Precipitation (in.) 6.12 3.99 3.39 1.68 1.11 0.74 0.30 0.64 1.11 2.27 5.12 6.25 32.72
Highest Precipitation (in.) 13.67 10.86 7.16 3.16 2.96 2.98 1.24 2.96 3.19 5.61 10.92 15.05 45.49
Year Highest Occurred 1970 1961 1961 1990 1962 1981 1983 1968 1972 1967 1984 1964 1983
Lowest Precipitation (in.) 0.28 0.52 0.97 0.12 0.08 0.07 0.00 0.00 0.00 0.05 0.78 1.42 20.07
Year Lowest Occurred 1985 1964 1981 1977 1967 1979 1984 1984 1975 1988 1976 1976 1976
Heating Degree Days (F) 1132. 888. 837. 648. 453. 234. 105. 117. 283. 574. 867. 1097. 7235.
Cooling Degree Days (F) 0. 0. 0. 0. 0. 15. 55. 74. 19. 0. 0. 0. 163.

Western Regional Climate Center, wrcc@dri.edu