DRAIN 1 NNE, OREGON

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 48.6 53.3 58.1 62.8 69.1 75.1 82.5 83.1 78.5 67.2 54.1 47.8 65.0
Highest Mean Max. Temperature (F) 53.2 60.2 65.0 69.8 79.1 80.8 87.7 88.0 85.1 75.5 59.0 51.8 88.0
Year Highest Occurred 1992 1992 1992 1987 1992 1992 1996 1992 1974 1987 1999 1980 1992
Lowest Mean Max. Temperature (F) 41.1 46.7 52.6 56.1 63.1 69.0 74.5 76.9 71.4 61.1 46.0 41.8 41.1
Year Lowest Occurred 1979 1989 1971 1975 1977 1980 1983 1975 1978 1984 1985 1990 1979
Mean Temperature (F) 41.2 44.4 47.6 51.1 56.2 61.2 66.4 66.7 62.2 54.4 46.3 41.1 53.2
Highest Mean Temperature (F) 45.2 50.1 52.1 55.6 62.0 65.0 70.5 69.8 65.6 58.3 50.8 44.7 70.5
Year Highest Occurred 1998 1991 1986 1989 1992 1992 1996 1977 1995 1988 1999 1973 1996
Lowest Mean Temperature (F) 33.6 36.4 43.1 45.2 51.9 57.2 62.8 62.5 58.7 50.9 38.9 34.5 33.6
Year Lowest Occurred 1979 1989 1971 1975 1977 1976 1993 1975 1972 1971 1985 1990 1979
Mean Min. Temperature (F) 33.7 35.5 37.0 39.3 43.2 47.3 50.3 50.2 45.9 41.5 38.5 34.3 41.4
Highest Mean Min. Temperature (F) 38.1 40.4 41.9 43.5 46.9 50.0 53.5 54.8 50.6 46.8 43.0 38.9 54.8
Year Highest Occurred 1978 1991 1983 1980 1993 1982 1995 1999 1995 1988 1995 1977 1999
Lowest Mean Min. Temperature (F) 26.1 26.0 33.5 34.3 40.0 42.3 47.0 44.2 40.6 35.1 30.9 26.0 26.0
Year Lowest Occurred 1979 1989 1976 1975 1976 1976 1986 1973 1972 1974 1993 1985 1989
Mean Precipitation (in.) 7.20 6.13 5.28 3.81 2.52 1.30 0.46 0.87 1.38 3.25 7.79 7.87 47.86
Highest Precipitation (in.) 13.74 13.36 10.48 7.85 6.34 2.91 2.90 3.61 4.55 6.98 19.67 19.18 19.67
Year Highest Occurred 2000 1999 1983 1993 1998 1995 1987 1983 1986 1996 1973 1996 1973
Lowest Precipitation (in.) 0.60 1.48 1.89 1.17 0.09 0.18 0.00 0.00 0.00 0.06 1.24 1.23 0.00
Year Lowest Occurred 1985 1988 1978 1977 1992 1987 1977 2000 1993 1987 1976 1976 1977
Heating Degree Days (F) 739. 577. 541. 419. 280. 134. 46. 38. 115. 330. 561. 743. 4523.
Cooling Degree Days (F) 0. 0. 0. 0. 6. 20. 90. 88. 31. 1. 0. 0. 236.

Western Regional Climate Center, wrcc@dri.edu