PENDLETON BR EXP STN, OREGON

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 40.0 46.9 54.1 61.3 69.5 78.8 88.3 87.2 77.3 65.2 49.8 41.1 63.3
Highest Mean Max. Temperature (F) 49.5 54.1 59.5 68.2 74.5 87.0 95.2 95.5 85.2 73.6 54.7 47.8 66.1
Year Highest Occurred 1967 1961 1968 1987 1966 1961 1985 1967 1967 1988 1981 1966 1967
Lowest Mean Max. Temperature (F) 23.6 33.3 49.9 54.6 63.7 70.5 82.3 79.6 69.6 60.4 35.4 25.5 59.6
Year Lowest Occurred 1979 1989 1971 1975 1962 1971 1983 1976 1985 1969 1985 1985 1985
Mean Temperature (F) 32.4 38.1 43.3 48.6 55.5 63.2 69.9 69.1 60.1 49.8 40.6 33.4 50.3
Highest Mean Temperature (F) 41.5 45.3 48.1 53.3 59.0 68.0 74.5 74.6 65.8 56.1 45.3 40.3 52.1
Year Highest Occurred 1967 1961 1986 1987 1987 1961 1985 1961 1967 1988 1983 1966 1967
Lowest Mean Temperature (F) 15.3 24.1 39.1 43.3 52.0 58.3 66.0 65.4 54.7 46.7 26.0 19.0 46.8
Year Lowest Occurred 1979 1989 1965 1975 1977 1971 1986 1964 1985 1971 1985 1985 1985
Mean Min. Temperature (F) 24.8 29.1 32.4 35.7 41.4 47.5 51.4 51.0 42.9 34.4 31.4 25.6 37.3
Highest Mean Min. Temperature (F) 33.5 36.4 37.7 39.1 44.4 51.4 54.8 55.1 47.6 39.7 37.3 32.7 38.7
Year Highest Occurred 1967 1961 1986 1989 1987 1982 1975 1977 1963 1979 1983 1966 1986
Lowest Mean Min. Temperature (F) 7.0 14.8 25.8 32.0 37.5 41.8 48.5 46.5 39.0 29.5 16.5 12.5 33.9
Year Lowest Occurred 1979 1989 1965 1975 1964 1962 1981 1988 1971 1987 1985 1985 1985
Mean Precipitation (in.) 1.96 1.46 1.74 1.50 1.36 0.96 0.41 0.67 0.81 1.23 2.12 2.08 16.30
Highest Precipitation (in.) 5.23 3.27 3.90 3.64 3.40 3.14 1.30 2.58 1.87 3.76 3.86 4.43 23.37
Year Highest Occurred 1970 1961 1983 1974 1962 1971 1974 1976 1986 1980 1973 1964 1983
Lowest Precipitation (in.) 0.69 0.32 0.21 0.21 0.15 0.09 0.00 0.00 0.00 0.00 0.44 0.45 11.52
Year Lowest Occurred 1985 1988 1965 1968 1964 1986 1988 1988 1990 1987 1969 1965 1967
Heating Degree Days (F) 1011. 753. 673. 492. 295. 113. 15. 37. 183. 471. 732. 980. 5755.
Cooling Degree Days (F) 0. 0. 0. 0. 0. 59. 166. 164. 36. 0. 0. 0. 425.

Western Regional Climate Center, wrcc@dri.edu