CLOVERDALE, OREGON

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 51.8 54.1 56.0 59.1 62.8 66.5 70.9 71.8 71.3 65.0 55.9 51.3 61.4
Highest Mean Max. Temperature (F) 56.8 60.3 60.8 64.5 68.8 72.2 75.1 76.0 77.3 71.5 61.7 55.3 77.3
Year Highest Occurred 1981 1992 1992 1983 1997 1985 1985 1983 1991 1987 1976 1980 1991
Lowest Mean Max. Temperature (F) 44.6 46.9 51.2 54.6 59.0 62.5 67.0 68.7 67.4 59.8 47.6 44.9 44.6
Year Lowest Occurred 1979 1989 1971 1972 1977 1971 1971 1975 1986 1975 1985 1990 1979
Mean Temperature (F) 45.1 46.5 47.5 49.7 53.3 56.8 60.3 60.9 59.8 54.6 48.4 44.5 52.3
Highest Mean Temperature (F) 49.4 52.4 51.2 53.2 57.8 59.4 62.8 63.0 63.3 58.0 53.0 47.9 63.3
Year Highest Occurred 1981 1992 1984 1992 1997 1978 1992 1997 1991 1988 1995 1980 1991
Lowest Mean Temperature (F) 37.6 40.1 43.9 45.6 50.3 54.0 57.9 58.0 57.1 52.0 39.6 38.3 37.6
Year Lowest Occurred 1979 1989 1976 1975 1977 1971 1971 1973 1972 1984 1985 1990 1979
Mean Min. Temperature (F) 38.3 38.9 39.0 40.3 43.7 47.1 49.6 50.0 48.3 44.2 40.9 37.7 43.2
Highest Mean Min. Temperature (F) 43.1 44.5 42.9 44.5 48.0 50.9 54.5 52.9 53.0 50.0 46.2 42.1 54.5
Year Highest Occurred 1995 1992 1983 1990 1993 1998 1998 1999 1995 1988 1995 1973 1998
Lowest Mean Min. Temperature (F) 30.7 32.6 32.9 36.1 39.9 43.4 45.3 46.5 44.7 40.8 31.5 31.6 30.7
Year Lowest Occurred 1979 1985 1985 1975 1982 1987 1984 1988 1985 1985 1985 1990 1979
Mean Precipitation (in.) 11.85 9.65 9.16 6.04 4.66 3.16 1.44 1.45 3.58 6.16 12.57 12.81 82.53
Highest Precipitation (in.) 23.97 18.48 15.79 11.86 8.23 7.70 6.50 4.50 10.28 13.50 20.68 23.47 23.97
Year Highest Occurred 1971 1999 1989 1993 1984 1984 1983 1977 1971 1975 1999 1996 1971
Lowest Precipitation (in.) 0.92 0.75 1.75 2.12 0.60 0.60 0.13 0.00 0.04 0.30 2.49 3.62 0.00
Year Lowest Occurred 1985 1993 1992 1973 1992 1992 1973 1998 1975 1987 1976 1976 1998
Heating Degree Days (F) 620. 530. 528. 459. 363. 246. 149. 131. 165. 323. 498. 636. 4648.
Cooling Degree Days (F) 0. 0. 0. 0. 0. 0. 1. 4. 8. 0. 0. 0. 13.

Western Regional Climate Center, wrcc@dri.edu