ELMA, WASHINGTON

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 46.9 50.8 55.7 61.2 67.3 71.8 77.1 78.4 74.0 63.4 51.6 46.0 62.0
Highest Mean Max. Temperature (F) 51.5 57.4 63.5 65.3 74.3 77.8 86.0 84.8 80.4 70.9 56.9 49.2 86.0
Year Highest Occurred 1995 1991 1992 1989 1992 1986 1985 1986 1974 1987 1997 1979 1985
Lowest Mean Max. Temperature (F) 41.6 44.4 49.8 55.1 61.6 66.3 72.0 71.1 67.1 57.6 43.2 40.2 40.2
Year Lowest Occurred 1979 1989 1971 1972 1974 1971 1993 1976 1978 1975 1985 1990 1990
Mean Temperature (F) 40.0 42.5 45.7 49.6 55.0 59.1 63.1 64.0 59.5 51.3 43.3 39.3 51.0
Highest Mean Temperature (F) 45.1 47.4 50.6 52.9 59.6 63.0 67.2 67.7 63.7 55.2 47.6 42.7 67.7
Year Highest Occurred 1994 1991 1992 1989 1993 1992 1985 1986 1995 1988 1997 1999 1986
Lowest Mean Temperature (F) 33.8 35.3 40.9 44.5 50.8 54.4 59.6 58.3 54.4 47.8 34.5 33.3 33.3
Year Lowest Occurred 1979 1989 1971 1972 1974 1971 1986 1973 1972 1984 1985 1990 1990
Mean Min. Temperature (F) 33.0 34.1 35.7 38.0 42.6 46.4 49.1 49.5 44.9 39.1 35.0 32.5 40.0
Highest Mean Min. Temperature (F) 38.8 38.7 39.1 42.2 47.6 50.6 52.3 53.1 50.5 46.2 38.9 36.9 53.1
Year Highest Occurred 1994 1992 1986 1993 1993 1998 1998 1997 1995 1988 1987 1980 1997
Lowest Mean Min. Temperature (F) 25.9 26.2 30.7 33.5 39.9 42.5 45.7 44.7 39.9 32.7 25.8 26.0 25.8
Year Lowest Occurred 1980 1989 1985 1982 1974 1971 1977 1973 1972 1972 1985 1978 1985
Mean Precipitation (in.) 10.07 8.53 7.36 4.92 3.17 2.27 1.19 1.40 2.87 5.68 10.16 11.18 68.80
Highest Precipitation (in.) 16.63 19.51 18.40 10.47 6.36 4.28 4.93 5.40 8.82 14.01 18.97 20.49 20.49
Year Highest Occurred 1990 1999 1997 1996 1984 1981 1983 1977 1997 1975 1983 1994 1994
Lowest Precipitation (in.) 0.34 0.57 1.21 1.90 0.35 0.50 0.02 0.00 0.02 0.56 2.39 2.33 0.00
Year Lowest Occurred 1985 1993 1992 1998 1992 1987 1984 1998 1993 1987 1976 1985 1998
Heating Degree Days (F) 777. 631. 598. 463. 315. 187. 97. 89. 189. 427. 651. 798. 5222.
Cooling Degree Days (F) 0. 0. 0. 0. 2. 9. 38. 56. 22. 0. 0. 0. 127.

Western Regional Climate Center, wrcc@dri.edu