ARLINGTON, OREGON

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 40.9 48.0 57.1 65.6 75.4 84.0 91.6 90.2 80.0 65.6 50.0 41.0 65.8
Highest Mean Max. Temperature (F) 50.3 55.5 61.6 72.8 81.5 90.9 99.4 99.7 89.2 71.2 53.8 46.8 69.9
Year Highest Occurred 1967 1967 1986 1977 1969 1986 1985 1967 1967 1988 1962 1966 1967
Lowest Mean Max. Temperature (F) 25.4 36.8 52.1 61.1 68.8 76.3 84.9 83.7 73.8 61.5 37.7 28.7 63.2
Year Lowest Occurred 1979 1989 1975 1967 1977 1980 1986 1980 1977 1982 1985 1985 1985
Mean Temperature (F) 34.9 40.0 46.6 53.4 61.8 69.9 76.3 75.4 65.9 53.8 42.7 35.3 54.7
Highest Mean Temperature (F) 43.3 45.4 52.1 58.4 65.5 76.3 82.8 82.3 72.8 58.4 47.4 40.9 57.5
Year Highest Occurred 1967 1967 1986 1977 1969 1986 1985 1967 1967 1988 1983 1974 1967
Lowest Mean Temperature (F) 19.0 29.0 42.6 48.7 57.3 64.6 71.6 70.8 61.9 51.5 32.1 25.5 52.9
Year Lowest Occurred 1979 1989 1976 1982 1962 1976 1986 1980 1985 1984 1985 1985 1985
Mean Min. Temperature (F) 28.8 32.0 36.1 41.2 48.2 55.8 60.9 60.5 51.7 42.1 35.5 29.4 43.5
Highest Mean Min. Temperature (F) 36.7 36.5 42.5 45.7 52.6 61.7 66.2 66.6 56.4 46.5 41.1 35.4 45.8
Year Highest Occurred 1981 1983 1986 1989 1986 1986 1985 1977 1967 1979 1983 1973 1986
Lowest Mean Min. Temperature (F) 12.6 21.2 30.0 36.2 44.1 50.7 56.0 56.2 48.2 38.7 26.2 20.5 40.7
Year Lowest Occurred 1979 1989 1965 1982 1964 1962 1963 1987 1971 1987 1961 1972 1964
Mean Precipitation (in.) 1.31 0.86 0.75 0.64 0.56 0.38 0.21 0.31 0.42 0.59 1.29 1.62 8.94
Highest Precipitation (in.) 4.00 3.36 2.43 3.46 1.55 1.29 1.70 1.77 1.85 2.34 2.97 6.87 13.02
Year Highest Occurred 1970 1961 1983 1988 1977 1965 1966 1990 1982 1982 1966 1964 1983
Lowest Precipitation (in.) 0.16 0.00 0.06 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.18 0.22 4.29
Year Lowest Occurred 1985 1988 1981 1977 1966 1989 1985 1988 1990 1988 1976 1976 1976
Heating Degree Days (F) 933. 700. 570. 352. 133. 38. 0. 8. 78. 347. 669. 921. 4749.
Cooling Degree Days (F) 0. 0. 0. 0. 34. 185. 354. 331. 105. 0. 0. 0. 1009.

Western Regional Climate Center, wrcc@dri.edu