PENDLETON E OR RGNL AP, OREGON

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 39.7 46.9 54.2 61.3 70.0 79.5 87.8 86.2 76.3 63.7 48.9 40.5 62.9
Highest Mean Max. Temperature (F) 48.8 53.4 59.3 69.3 75.5 87.7 93.0 96.3 84.3 71.1 53.4 47.8 66.5
Year Highest Occurred 1967 1961 1968 1977 1973 1961 1975 1967 1967 1988 1990 1974 1967
Lowest Mean Max. Temperature (F) 20.5 32.8 49.4 55.7 63.4 72.0 80.2 79.8 68.0 58.4 33.5 23.5 58.1
Year Lowest Occurred 1979 1989 1980 1967 1962 1980 1986 1976 1985 1970 1985 1985 1985
Mean Temperature (F) 33.5 39.2 44.8 50.3 57.9 66.2 72.9 72.0 63.1 52.4 41.5 34.3 52.3
Highest Mean Temperature (F) 42.4 45.5 48.8 55.3 61.7 71.6 78.4 79.7 69.9 58.4 45.9 41.5 55.1
Year Highest Occurred 1967 1961 1986 1977 1969 1961 1975 1967 1967 1988 1983 1973 1967
Lowest Mean Temperature (F) 15.3 25.1 40.5 45.8 54.0 60.4 67.6 66.9 56.3 47.4 26.5 19.5 48.3
Year Lowest Occurred 1979 1989 1971 1970 1962 1980 1986 1980 1970 1970 1985 1985 1985
Mean Min. Temperature (F) 27.2 31.6 35.4 39.4 45.8 52.9 58.0 57.7 49.9 41.0 34.1 27.9 41.7
Highest Mean Min. Temperature (F) 36.0 37.5 39.7 43.4 48.5 56.2 63.7 63.0 55.5 45.6 38.8 35.2 43.7
Year Highest Occurred 1967 1961 1986 1990 1969 1969 1975 1967 1967 1988 1983 1973 1974
Lowest Mean Min. Temperature (F) 10.1 17.3 29.8 35.0 43.1 48.7 54.7 52.5 43.5 36.3 19.4 15.5 38.4
Year Lowest Occurred 1979 1989 1965 1970 1978 1980 1981 1980 1970 1970 1985 1985 1985
Mean Precipitation (in.) 1.51 1.14 1.16 1.04 0.99 0.64 0.35 0.53 0.59 0.86 1.58 1.63 12.02
Highest Precipitation (in.) 3.92 2.58 2.82 2.78 3.02 1.73 0.94 2.58 2.10 2.67 3.76 4.68 17.75
Year Highest Occurred 1970 1986 1983 1978 1962 1971 1981 1977 1985 1982 1973 1973 1978
Lowest Precipitation (in.) 0.44 0.07 0.29 0.08 0.03 0.03 0.00 0.00 0.00 0.00 0.19 0.21 6.77
Year Lowest Occurred 1985 1964 1965 1966 1964 1986 1967 1988 1990 1987 1976 1989 1967
Heating Degree Days (F) 977. 722. 626. 441. 226. 71. 15. 23. 145. 391. 705. 952. 5294.
Cooling Degree Days (F) 0. 0. 0. 0. 6. 107. 260. 240. 88. 0. 0. 0. 701.

Western Regional Climate Center, wrcc@dri.edu