SPRAGUE RIVER, OREGON

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 38.7 44.2 49.9 57.5 66.1 75.8 84.7 84.4 76.3 64.5 46.4 38.6 60.6
Highest Mean Max. Temperature (F) 45.7 53.6 57.6 67.2 78.3 82.8 89.5 91.5 84.7 75.5 56.9 45.5 91.5
Year Highest Occurred 1986 1995 1992 1987 1992 1974 1994 2000 1991 1988 1976 1976 2000
Lowest Mean Max. Temperature (F) 32.5 36.0 43.0 48.8 56.4 69.3 76.3 74.7 65.5 55.2 37.3 32.9 32.5
Year Lowest Occurred 1982 1993 1971 1975 1998 1980 1993 1976 1986 1984 1985 1972 1982
Mean Temperature (F) 27.5 32.3 37.0 41.8 48.8 56.5 63.0 62.1 54.3 45.2 34.3 27.7 44.2
Highest Mean Temperature (F) 34.4 38.7 42.0 48.1 56.3 62.6 67.2 67.2 59.3 51.7 41.1 34.0 67.2
Year Highest Occurred 1986 1992 1986 1990 1992 1977 1985 2000 1991 1988 1999 1981 1985
Lowest Mean Temperature (F) 19.2 21.4 31.7 34.2 42.9 52.8 55.9 58.1 48.6 40.6 24.2 21.4 19.2
Year Lowest Occurred 1977 1989 1971 1975 1977 1999 1993 1976 1986 1994 1994 1972 1977
Mean Min. Temperature (F) 16.2 20.3 24.0 26.0 31.5 37.1 41.2 39.7 32.2 25.8 22.2 16.8 27.8
Highest Mean Min. Temperature (F) 26.8 28.0 29.6 31.2 35.9 42.8 45.4 45.2 37.2 34.0 29.0 26.3 45.4
Year Highest Occurred 1998 1980 1983 2000 1993 1977 1991 1977 1976 1979 1999 1981 1991
Lowest Mean Min. Temperature (F) 3.9 5.8 18.4 19.6 27.5 31.3 33.3 33.5 27.3 18.5 10.8 7.8 3.9
Year Lowest Occurred 1977 1989 1976 1975 1974 1975 1999 1994 1996 1994 1994 1990 1977
Mean Precipitation (in.) 2.36 1.79 1.93 1.05 1.15 0.71 0.47 0.55 0.68 1.07 2.06 2.26 16.08
Highest Precipitation (in.) 5.64 4.45 4.35 2.21 3.30 1.66 1.46 2.77 2.25 3.75 6.58 6.93 6.93
Year Highest Occurred 2000 1996 1995 1978 1993 1982 1997 1976 1977 1979 1973 1981 1981
Lowest Precipitation (in.) 0.19 0.05 0.42 0.06 0.18 0.00 0.00 0.00 0.00 0.00 0.43 0.01 0.00
Year Lowest Occurred 1985 1988 1977 1977 1983 1974 1989 1995 1999 1978 1993 1990 1974
Heating Degree Days (F) 1164. 917. 871. 698. 503. 273. 127. 134. 328. 616. 922. 1156. 7709.
Cooling Degree Days (F) 0. 0. 0. 0. 0. 17. 62. 42. 5. 0. 0. 0. 126.

Western Regional Climate Center, wrcc@dri.edu