SANTIAM PASS, OREGON

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 33.3 36.0 39.9 44.8 52.2 61.7 71.7 71.3 62.4 52.4 38.3 33.2 49.8
Highest Mean Max. Temperature (F) 38.0 43.4 47.5 52.4 61.2 68.5 79.6 77.8 70.6 60.7 47.0 41.5 79.6
Year Highest Occurred 1984 1995 1992 1987 1992 1977 1985 1981 1974 1987 1976 1976 1985
Lowest Mean Max. Temperature (F) 25.7 26.7 33.7 37.7 46.0 56.0 61.3 64.6 53.3 44.1 29.5 26.9 25.7
Year Lowest Occurred 1979 1989 1971 1975 1977 1991 1983 1976 1986 1984 1985 1990 1979
Mean Temperature (F) 26.9 28.9 32.1 36.0 42.1 49.4 57.5 57.2 50.2 42.1 31.9 27.1 40.1
Highest Mean Temperature (F) 31.2 34.8 37.3 40.3 47.7 54.4 63.0 61.5 55.2 48.4 38.3 32.6 63.0
Year Highest Occurred 1981 1991 1992 1990 1992 1977 1985 1981 1974 1988 1976 1976 1985
Lowest Mean Temperature (F) 17.2 19.9 27.2 30.2 37.6 45.1 50.6 52.4 44.5 36.7 23.4 20.7 17.2
Year Lowest Occurred 1979 1989 1971 1975 1977 1976 1993 1975 1986 1984 1985 1990 1979
Mean Min. Temperature (F) 20.4 21.8 24.3 27.1 32.0 37.1 43.2 43.1 37.9 31.8 25.4 21.0 30.4
Highest Mean Min. Temperature (F) 25.5 26.3 28.1 30.2 35.4 40.4 47.1 46.4 42.4 36.4 30.5 25.4 47.1
Year Highest Occurred 1981 1991 1983 1992 1973 1992 1998 1977 1979 1988 1995 1980 1998
Lowest Mean Min. Temperature (F) 8.6 13.1 19.7 22.6 29.1 33.4 38.3 39.9 34.5 28.6 17.3 12.1 8.6
Year Lowest Occurred 1979 1989 1976 1975 1977 1976 1993 1995 1971 1971 1985 1978 1979
Mean Precipitation (in.) 12.59 11.00 8.82 6.08 4.25 3.27 1.11 1.60 3.17 5.89 13.08 13.43 84.29
Highest Precipitation (in.) 21.96 21.79 15.00 10.55 7.20 9.41 5.90 5.09 7.42 11.75 28.01 27.81 28.01
Year Highest Occurred 1974 1999 1971 1993 1998 1981 1983 1978 1973 1975 1973 1981 1973
Lowest Precipitation (in.) 0.36 1.82 1.92 0.78 0.60 0.98 0.10 0.06 0.00 0.23 3.54 2.40 0.00
Year Lowest Occurred 1985 1993 1992 1977 1992 1987 1984 1981 1975 1987 1976 1976 1975
Heating Degree Days (F) 1184. 1011. 1005. 872. 711. 469. 252. 252. 447. 710. 996. 1174. 9083.
Cooling Degree Days (F) 0. 0. 0. 0. 0. 0. 17. 9. 3. 0. 0. 0. 29.

Western Regional Climate Center, wrcc@dri.edu