GRAPEVIEW 3 SW, WASHINGTON

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 44.8 49.0 53.3 58.8 65.8 70.9 75.4 75.9 70.0 59.6 50.2 45.1 59.9
Highest Mean Max. Temperature (F) 49.3 54.9 58.4 63.0 71.6 76.3 81.9 84.9 76.9 66.6 54.4 49.8 62.5
Year Highest Occurred 1961 1968 1986 1989 1969 1970 1985 1967 1967 1987 1987 1969 1987
Lowest Mean Max. Temperature (F) 38.1 44.9 48.2 54.2 60.9 64.9 69.5 69.5 63.2 55.9 43.4 40.0 58.1
Year Lowest Occurred 1969 1989 1976 1972 1962 1980 1983 1976 1978 1981 1985 1983 1982
Mean Temperature (F) 39.7 42.6 45.2 49.2 55.1 60.1 63.8 64.5 59.6 51.7 44.7 40.3 51.4
Highest Mean Temperature (F) 43.9 47.9 49.4 52.2 58.3 64.6 67.2 69.8 64.4 54.9 48.6 44.7 53.3
Year Highest Occurred 1961 1963 1986 1989 1969 1969 1985 1967 1967 1988 1965 1966 1967
Lowest Mean Temperature (F) 33.6 37.3 41.1 45.4 52.7 55.4 61.1 61.3 56.2 48.7 37.2 35.2 49.4
Year Lowest Occurred 1969 1989 1976 1972 1974 1971 1986 1973 1983 1971 1985 1983 1971
Mean Min. Temperature (F) 34.6 36.1 37.0 39.5 44.3 49.3 52.2 53.0 49.2 43.8 39.3 35.5 42.8
Highest Mean Min. Temperature (F) 38.4 40.9 40.4 43.0 47.2 52.9 54.6 55.7 53.6 48.7 43.8 41.1 45.0
Year Highest Occurred 1961 1963 1986 1962 1980 1969 1961 1977 1963 1963 1965 1966 1963
Lowest Mean Min. Temperature (F) 28.2 29.7 33.5 35.0 42.1 44.8 49.5 50.3 44.3 39.0 30.9 30.0 39.6
Year Lowest Occurred 1972 1989 1971 1971 1971 1971 1971 1973 1971 1972 1985 1971 1971
Mean Precipitation (in.) 7.89 6.41 5.65 3.16 2.12 1.63 0.95 1.22 2.25 4.51 8.17 8.37 52.33
Highest Precipitation (in.) 15.88 14.93 12.17 5.77 5.50 3.52 2.93 4.51 7.98 11.09 15.28 13.59 70.01
Year Highest Occurred 1964 1961 1971 1974 1984 1984 1972 1977 1978 1975 1983 1979 1983
Lowest Precipitation (in.) 0.33 0.96 0.51 0.67 0.25 0.20 0.00 0.00 0.00 0.37 1.99 1.62 36.94
Year Lowest Occurred 1985 1988 1965 1966 1982 1987 1984 1967 1990 1987 1976 1978 1985
Heating Degree Days (F) 784. 627. 614. 474. 307. 162. 78. 76. 175. 412. 609. 766. 5084.
Cooling Degree Days (F) 0. 0. 0. 0. 0. 15. 41. 60. 13. 0. 0. 0. 129.

Western Regional Climate Center, wrcc@dri.edu