BROTHERS, OREGON

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 36.6 41.1 47.6 55.1 62.6 71.5 80.3 80.2 72.0 61.3 44.4 37.5 57.5
Highest Mean Max. Temperature (F) 43.3 50.4 54.5 65.9 71.9 78.8 85.3 85.9 79.3 72.3 54.4 46.0 85.9
Year Highest Occurred 1994 1991 1992 1987 1992 1974 1998 1971 1987 1988 1999 1976 1971
Lowest Mean Max. Temperature (F) 25.9 28.4 41.7 46.1 53.9 65.9 69.2 71.1 61.5 51.9 35.9 29.7 25.9
Year Lowest Occurred 1993 1993 1971 1975 1977 1991 1993 1976 1985 1984 1994 1983 1993
Mean Temperature (F) 26.4 30.3 34.7 39.9 46.6 54.5 61.1 60.5 52.7 44.1 33.0 27.0 42.6
Highest Mean Temperature (F) 32.4 37.4 39.8 47.3 54.2 59.8 66.1 64.8 58.7 52.7 40.6 34.2 66.1
Year Highest Occurred 1994 1991 1986 1987 1992 1992 1998 1986 1990 1988 1999 1980 1998
Lowest Mean Temperature (F) 15.9 18.7 29.2 33.0 40.7 49.7 53.1 55.1 45.3 38.5 22.9 19.7 15.9
Year Lowest Occurred 1979 1993 1971 1975 1977 1976 1993 1980 1985 1984 1985 1990 1979
Mean Min. Temperature (F) 16.2 19.4 21.8 24.7 30.6 37.5 41.8 40.8 33.4 26.9 21.5 16.4 27.6
Highest Mean Min. Temperature (F) 23.5 25.2 26.2 30.6 36.4 42.9 46.8 45.9 40.2 33.0 28.1 24.2 46.8
Year Highest Occurred 1986 1983 1983 1990 1992 1992 1998 1997 1990 1988 1995 1973 1998
Lowest Mean Min. Temperature (F) 4.2 8.9 16.6 19.8 27.0 32.2 34.5 33.5 27.4 22.2 9.9 7.4 4.2
Year Lowest Occurred 1979 1993 1971 1975 1978 1976 1986 1980 1971 1974 1985 1985 1979
Mean Precipitation (in.) 0.81 0.43 0.70 0.65 1.18 0.81 0.64 0.65 0.54 0.67 1.04 0.96 9.08
Highest Precipitation (in.) 2.71 1.01 1.63 2.41 4.65 2.32 3.37 4.67 2.05 1.49 2.76 2.95 4.67
Year Highest Occurred 1995 1983 1993 1978 1998 1982 1987 1976 1982 1992 1973 1995 1976
Lowest Precipitation (in.) 0.00 0.09 0.08 0.00 0.03 0.00 0.00 0.00 0.00 0.00 0.10 0.00 0.00
Year Lowest Occurred 2000 1997 1999 1999 1999 1999 1996 2000 1999 1988 1993 2000 2000
Heating Degree Days (F) 1198. 974. 939. 752. 570. 322. 171. 170. 381. 647. 963. 1180. 8267.
Cooling Degree Days (F) 0. 0. 0. 0. 0. 8. 48. 32. 12. 0. 0. 0. 100.

Western Regional Climate Center, wrcc@dri.edu