POWERS, OREGON

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 53.5 56.7 59.2 62.9 67.9 72.9 78.9 80.1 78.2 69.9 58.0 52.6 65.9
Highest Mean Max. Temperature (F) 59.5 63.4 65.1 69.7 76.4 77.5 83.4 84.7 84.3 75.9 62.9 56.6 84.7
Year Highest Occurred 1981 1991 1994 1989 1992 2000 1972 1996 1991 1991 1976 1980 1996
Lowest Mean Max. Temperature (F) 48.1 50.0 54.8 56.7 62.7 67.2 73.2 75.9 71.8 64.3 51.1 46.1 46.1
Year Lowest Occurred 1972 1989 1985 1975 1998 1980 1983 1980 1986 1984 1985 1990 1990
Mean Temperature (F) 44.1 46.6 48.6 51.5 56.0 60.6 65.1 65.4 62.5 56.1 48.4 43.8 54.1
Highest Mean Temperature (F) 48.3 52.2 53.3 56.0 61.2 63.5 67.7 68.3 65.4 60.1 53.2 48.8 68.3
Year Highest Occurred 1981 1991 1992 1989 1992 1992 1998 1977 1995 1988 1995 1995 1977
Lowest Mean Temperature (F) 40.4 39.2 44.6 46.4 52.6 57.6 62.1 62.6 58.7 52.2 42.9 37.4 37.4
Year Lowest Occurred 1972 1989 1985 1975 1977 1980 1982 1973 1986 1971 1985 1990 1990
Mean Min. Temperature (F) 34.7 36.4 38.0 40.1 44.1 48.2 51.3 50.7 46.8 42.2 38.7 34.9 42.2
Highest Mean Min. Temperature (F) 40.1 41.1 43.6 43.1 47.7 50.7 54.9 54.3 51.5 48.1 44.1 41.3 54.9
Year Highest Occurred 1998 1986 1993 1992 1993 1992 1998 1977 1990 1988 1995 1995 1998
Lowest Mean Min. Temperature (F) 28.8 28.3 34.4 36.0 41.0 44.2 48.5 47.5 43.2 37.3 30.9 28.6 28.3
Year Lowest Occurred 1977 1989 1985 1975 1982 1976 1977 1973 1972 1974 1993 1990 1989
Mean Precipitation (in.) 9.45 8.26 7.43 5.14 2.96 1.14 0.32 0.69 1.62 3.53 8.98 9.87 59.39
Highest Precipitation (in.) 18.70 17.58 13.49 12.13 6.83 2.83 1.72 2.62 6.95 8.33 26.99 24.92 26.99
Year Highest Occurred 1995 1999 1983 1982 1998 1988 1983 1976 1986 1975 1973 1996 1973
Lowest Precipitation (in.) 0.85 1.01 2.00 0.97 0.13 0.00 0.00 0.00 0.00 0.08 1.85 1.45 0.00
Year Lowest Occurred 1985 1988 1992 1987 1982 1996 1998 1996 1993 1987 1976 1976 1996
Heating Degree Days (F) 647. 518. 509. 406. 281. 142. 47. 40. 101. 280. 499. 658. 4128.
Cooling Degree Days (F) 0. 0. 0. 0. 1. 8. 50. 53. 26. 2. 0. 0. 140.

Western Regional Climate Center, wrcc@dri.edu