OAKRIDGE FISH HATCHERY, OREGON

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 46.0 51.4 56.1 61.1 67.5 74.0 81.1 82.1 77.1 66.2 50.9 44.6 63.2
Highest Mean Max. Temperature (F) 52.9 58.9 63.2 70.8 75.3 81.4 88.8 88.9 86.3 77.3 59.9 50.3 88.9
Year Highest Occurred 1981 1977 1986 1987 1992 1987 1985 1986 1974 1987 1976 1979 1986
Lowest Mean Max. Temperature (F) 41.0 45.1 49.5 54.6 60.1 68.0 72.3 76.6 69.8 60.1 41.7 37.4 37.4
Year Lowest Occurred 1993 1999 1971 1975 1998 1980 1993 1976 1986 1997 1994 1990 1990
Mean Temperature (F) 38.4 41.9 45.3 49.5 55.1 60.7 65.8 66.0 61.1 52.8 43.1 38.0 51.5
Highest Mean Temperature (F) 43.0 46.5 50.3 54.5 60.3 64.8 69.9 70.4 65.0 57.6 47.9 42.9 70.4
Year Highest Occurred 1981 1992 1978 1987 1992 1987 1985 1977 1974 1988 1976 1977 1977
Lowest Mean Temperature (F) 34.8 35.2 40.5 44.1 51.1 57.2 60.4 62.1 56.7 49.6 36.4 31.3 31.3
Year Lowest Occurred 1991 1989 1971 1975 1991 1980 1993 1995 1986 1971 1994 1990 1990
Mean Min. Temperature (F) 30.8 32.3 34.5 37.8 42.6 47.3 50.5 49.9 45.0 39.3 35.3 31.4 39.7
Highest Mean Min. Temperature (F) 35.7 35.6 38.2 41.7 45.4 50.7 54.4 54.0 49.3 44.0 39.9 36.8 54.4
Year Highest Occurred 1998 1992 1978 1992 1993 1992 1998 1990 1990 1979 1995 1977 1998
Lowest Mean Min. Temperature (F) 25.2 24.8 30.9 33.7 39.7 44.0 47.3 46.2 41.9 34.4 28.9 25.3 24.8
Year Lowest Occurred 1977 1989 1985 1975 1982 1976 1999 1980 1999 1974 1993 1990 1989
Mean Precipitation (in.) 6.31 5.05 4.82 4.08 3.01 1.78 0.66 1.04 1.64 3.29 7.17 6.88 45.73
Highest Precipitation (in.) 11.79 10.32 8.59 7.20 7.12 3.90 2.36 4.69 6.13 7.24 17.89 17.20 17.89
Year Highest Occurred 1971 1986 1972 1993 1996 1995 1983 1976 1986 1979 1973 1981 1973
Lowest Precipitation (in.) 0.47 1.28 0.67 1.61 0.42 0.00 0.00 0.00 0.00 0.00 1.40 1.22 0.00
Year Lowest Occurred 1985 1989 1992 1977 1982 1987 1998 2000 1999 1987 1976 1976 1987
Heating Degree Days (F) 825. 649. 611. 466. 311. 154. 55. 53. 144. 381. 656. 837. 5142.
Cooling Degree Days (F) 0. 0. 0. 0. 2. 22. 80. 83. 26. 1. 0. 0. 214.

Western Regional Climate Center, wrcc@dri.edu