CONCRETE PPL FISH STN, WASHINGTON

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 42.2 46.6 52.1 58.6 64.7 68.9 74.6 75.4 70.5 60.2 48.0 42.2 58.7
Highest Mean Max. Temperature (F) 49.0 53.2 61.1 62.6 70.5 74.5 83.2 80.6 77.4 67.3 54.0 46.0 83.2
Year Highest Occurred 1981 1977 1992 1980 1972 1982 1985 1971 1974 1987 1997 1976 1985
Lowest Mean Max. Temperature (F) 36.0 41.5 46.4 53.8 58.6 64.0 68.3 69.2 63.6 55.3 39.0 36.1 36.0
Year Lowest Occurred 1972 1990 1971 1986 1996 1981 1993 1976 1978 1990 1985 1990 1972
Mean Temperature (F) 37.0 39.8 43.8 49.0 54.7 59.1 63.6 64.2 59.8 51.5 42.4 37.3 50.2
Highest Mean Temperature (F) 42.6 45.4 50.2 52.2 59.5 63.1 67.7 67.2 63.9 55.3 47.1 40.8 67.7
Year Highest Occurred 1994 1992 1992 1994 1993 1982 1985 1971 1995 1993 1997 1991 1985
Lowest Mean Temperature (F) 31.2 33.2 39.4 44.8 50.8 55.0 60.8 60.2 56.4 48.5 32.8 31.1 31.1
Year Lowest Occurred 1979 1989 1976 1975 1996 1981 1993 1995 1972 1984 1985 1990 1990
Mean Min. Temperature (F) 31.7 33.0 35.5 39.3 44.6 49.3 52.5 52.9 49.1 42.8 36.8 32.4 41.7
Highest Mean Min. Temperature (F) 38.2 37.6 39.2 43.7 49.4 52.3 56.2 55.7 52.1 47.5 40.6 36.9 56.2
Year Highest Occurred 1994 1992 1992 1994 1993 1998 1998 1997 1997 1988 1999 1991 1998
Lowest Mean Min. Temperature (F) 24.2 24.9 31.9 34.4 40.3 45.6 50.2 49.9 46.4 40.4 26.6 26.0 24.2
Year Lowest Occurred 1979 1989 1976 1982 1999 1979 1977 1973 1972 1984 1985 1990 1979
Mean Precipitation (in.) 9.99 7.56 6.92 4.86 3.71 3.01 1.83 1.69 3.23 6.20 11.37 11.02 71.39
Highest Precipitation (in.) 21.75 13.54 13.47 10.10 10.48 7.08 5.97 4.04 8.37 15.16 22.08 18.00 22.08
Year Highest Occurred 1971 1999 1997 1981 1984 1981 1983 1975 1972 1975 1990 1979 1990
Lowest Precipitation (in.) 1.47 0.33 0.96 2.17 1.51 0.51 0.00 0.12 0.33 0.16 2.39 1.57 0.00
Year Lowest Occurred 1985 1993 1992 1999 1995 1996 1985 1981 1989 1987 1979 1985 1985
Heating Degree Days (F) 870. 706. 656. 482. 324. 184. 88. 77. 176. 418. 678. 859. 5518.
Cooling Degree Days (F) 0. 0. 0. 0. 3. 8. 41. 50. 19. 0. 0. 0. 121.

Western Regional Climate Center, wrcc@dri.edu