LANDSBURG, WASHINGTON

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 43.4 48.6 52.6 57.0 64.0 69.6 75.0 75.2 69.4 59.7 49.1 42.9 58.9
Highest Mean Max. Temperature (F) 51.2 56.9 56.9 63.3 69.4 74.3 80.7 84.8 77.2 65.1 53.7 48.3 61.0
Year Highest Occurred 1961 1968 1981 1989 1969 1987 1985 1967 1974 1987 1965 1979 1987
Lowest Mean Max. Temperature (F) 35.8 40.4 47.3 51.4 57.4 64.1 69.6 69.0 64.3 54.5 38.3 36.7 56.6
Year Lowest Occurred 1969 1989 1971 1975 1962 1971 1963 1980 1978 1990 1985 1985 1985
Mean Temperature (F) 37.3 40.7 43.2 46.9 52.6 58.3 62.4 62.3 57.2 49.5 42.2 37.3 49.2
Highest Mean Temperature (F) 43.3 46.1 46.9 50.8 55.3 63.3 66.7 66.6 61.2 54.3 46.8 42.5 51.0
Year Highest Occurred 1981 1963 1978 1980 1979 1978 1990 1990 1974 1980 1965 1979 1978
Lowest Mean Temperature (F) 30.9 32.1 39.1 41.5 49.3 54.3 59.0 57.8 53.6 46.8 32.2 30.6 46.7
Year Lowest Occurred 1969 1989 1971 1975 1962 1971 1963 1973 1965 1984 1985 1985 1985
Mean Min. Temperature (F) 31.2 32.7 33.9 36.7 41.2 46.9 49.8 49.5 44.9 39.3 35.3 31.6 39.4
Highest Mean Min. Temperature (F) 36.5 38.0 39.0 42.2 45.2 53.2 56.4 55.1 50.0 44.6 39.9 36.9 42.8
Year Highest Occurred 1978 1983 1978 1980 1980 1978 1978 1990 1990 1980 1965 1966 1978
Lowest Mean Min. Temperature (F) 24.8 23.8 30.1 31.5 38.1 43.2 47.4 44.2 41.1 35.1 26.1 24.4 36.7
Year Lowest Occurred 1979 1989 1985 1975 1964 1976 1988 1973 1965 1972 1985 1985 1985
Mean Precipitation (in.) 7.68 6.10 5.44 4.36 3.56 3.00 1.59 1.88 3.16 4.62 7.99 8.07 57.45
Highest Precipitation (in.) 13.72 12.54 8.87 6.87 7.83 6.66 3.93 6.61 7.48 11.19 17.79 16.00 76.39
Year Highest Occurred 1975 1961 1980 1981 1984 1990 1983 1968 1978 1975 1980 1979 1975
Lowest Precipitation (in.) 1.03 2.41 1.26 1.60 1.00 0.44 0.04 0.03 0.12 0.39 1.50 2.03 39.60
Year Lowest Occurred 1985 1978 1965 1983 1967 1961 1984 1967 1975 1987 1979 1985 1987
Heating Degree Days (F) 859. 680. 676. 543. 384. 210. 109. 128. 241. 481. 684. 859. 5854.
Cooling Degree Days (F) 0. 0. 0. 0. 0. 9. 28. 44. 7. 0. 0. 0. 88.

Western Regional Climate Center, wrcc@dri.edu