DARRINGTON RS, WASHINGTON

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 41.5 46.8 53.3 60.8 67.8 71.9 78.1 78.9 73.2 61.5 47.4 41.0 60.2
Highest Mean Max. Temperature (F) 47.5 52.4 66.3 66.4 77.7 78.3 86.8 84.6 80.2 68.1 51.5 47.0 86.8
Year Highest Occurred 1983 1991 1992 1990 1992 1982 1985 1986 1998 1987 1997 1991 1985
Lowest Mean Max. Temperature (F) 36.3 40.9 46.4 55.0 61.2 67.1 70.1 70.1 65.3 56.6 37.8 35.2 35.2
Year Lowest Occurred 1979 1989 1971 1986 1974 1971 1993 1976 1978 1985 1985 1984 1984
Mean Temperature (F) 35.4 38.9 43.8 49.4 55.8 60.3 65.2 65.4 59.8 50.3 41.0 35.6 50.1
Highest Mean Temperature (F) 41.1 43.8 51.0 54.3 61.5 64.8 70.1 69.7 65.2 53.6 44.7 40.7 70.1
Year Highest Occurred 1983 1983 1992 1992 1992 1992 1985 1981 1995 1988 1974 1991 1985
Lowest Mean Temperature (F) 29.2 31.7 39.2 45.1 51.5 56.8 61.1 60.9 55.0 47.9 30.6 28.9 28.9
Year Lowest Occurred 1979 1989 1971 1975 1974 1976 1993 1973 1972 1984 1985 1983 1983
Mean Min. Temperature (F) 29.2 30.9 34.3 38.0 43.8 48.7 52.2 51.8 46.4 39.1 34.6 30.1 39.9
Highest Mean Min. Temperature (F) 34.6 36.2 37.9 43.7 48.3 51.5 54.7 55.3 51.0 43.5 39.0 36.9 55.3
Year Highest Occurred 1983 1983 1983 1992 1979 1992 1975 1981 1995 1988 2000 1973 1981
Lowest Mean Min. Temperature (F) 22.1 22.4 29.4 33.2 39.4 45.3 48.1 48.0 41.3 36.1 23.3 21.7 21.7
Year Lowest Occurred 1979 1989 1985 1982 1997 1996 1998 1973 1993 1972 1985 1983 1983
Mean Precipitation (in.) 11.16 9.43 8.39 5.32 3.96 3.00 1.80 1.80 3.51 7.12 13.34 12.15 80.98
Highest Precipitation (in.) 23.19 19.29 19.92 10.10 10.27 5.67 5.94 5.35 9.96 18.87 26.52 24.70 26.52
Year Highest Occurred 1974 1972 1997 1981 1984 1983 1983 1975 1972 1975 1990 1979 1990
Lowest Precipitation (in.) 1.14 0.31 1.25 1.51 0.66 0.75 0.00 0.05 0.01 0.17 2.32 2.27 0.00
Year Lowest Occurred 1985 1993 1992 1999 1992 1996 1985 1981 1990 1987 1979 1985 1985
Heating Degree Days (F) 919. 733. 657. 467. 293. 157. 68. 71. 184. 456. 720. 914. 5639.
Cooling Degree Days (F) 0. 0. 0. 0. 7. 15. 73. 82. 27. 0. 0. 0. 204.

Western Regional Climate Center, wrcc@dri.edu