ELMA, WASHINGTON

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 46.3 50.9 55.0 60.1 66.8 72.1 76.6 77.8 73.0 63.1 51.6 45.7 61.6
Highest Mean Max. Temperature (F) 54.2 58.1 59.6 65.3 71.2 77.8 86.0 85.0 80.4 70.9 54.5 49.3 64.6
Year Highest Occurred 1961 1963 1979 1989 1969 1986 1985 1967 1974 1987 1967 1969 1987
Lowest Mean Max. Temperature (F) 37.9 44.4 49.8 55.1 60.3 66.3 71.9 71.1 67.1 57.6 43.2 40.2 59.4
Year Lowest Occurred 1969 1989 1971 1972 1962 1971 1963 1976 1978 1975 1985 1990 1964
Mean Temperature (F) 40.0 43.0 45.4 49.2 54.7 59.8 63.6 64.6 60.2 52.5 44.7 40.1 51.5
Highest Mean Temperature (F) 46.4 48.8 49.5 52.9 57.8 64.8 68.0 68.9 65.2 55.8 48.2 44.5 53.0
Year Highest Occurred 1961 1963 1986 1989 1969 1969 1985 1986 1967 1988 1965 1966 1987
Lowest Mean Temperature (F) 32.5 35.3 41.6 45.3 50.8 55.9 60.4 60.4 56.6 49.3 36.0 33.7 49.8
Year Lowest Occurred 1969 1989 1971 1972 1962 1971 1986 1973 1972 1990 1985 1990 1985
Mean Min. Temperature (F) 33.6 35.1 35.8 38.2 42.6 47.5 50.5 51.3 47.4 41.9 37.6 34.4 41.3
Highest Mean Min. Temperature (F) 38.6 42.5 39.4 41.8 44.4 53.4 53.3 55.0 51.4 47.3 42.0 39.7 42.5
Year Highest Occurred 1961 1961 1986 1990 1969 1969 1978 1977 1967 1988 1965 1966 1978
Lowest Mean Min. Temperature (F) 27.1 26.1 31.0 33.8 40.3 44.8 48.0 48.0 43.8 37.0 28.8 27.2 38.2
Year Lowest Occurred 1969 1989 1985 1982 1970 1985 1986 1984 1989 1972 1985 1990 1985
Mean Precipitation (in.) 10.43 8.02 7.22 4.72 2.84 2.02 1.18 1.48 3.07 5.96 9.96 10.54 67.44
Highest Precipitation (in.) 17.90 14.96 11.93 9.28 6.36 4.37 4.93 5.40 8.57 14.51 18.97 18.48 81.48
Year Highest Occurred 1964 1961 1971 1981 1984 1968 1983 1977 1978 1967 1983 1979 1968
Lowest Precipitation (in.) 0.34 2.34 0.82 2.16 0.66 0.46 0.02 0.03 0.03 0.56 2.39 2.33 45.65
Year Lowest Occurred 1985 1973 1965 1977 1967 1970 1984 1986 1975 1987 1976 1985 1985
Heating Degree Days (F) 775. 616. 608. 474. 319. 169. 80. 77. 160. 388. 609. 772. 5047.
Cooling Degree Days (F) 0. 0. 0. 0. 0. 13. 36. 64. 16. 0. 0. 0. 129.

Western Regional Climate Center, wrcc@dri.edu