ANTELOPE 1 NW, OREGON

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 39.4 45.7 51.6 58.1 66.5 75.8 84.1 83.7 74.8 63.4 48.1 39.9 60.9
Highest Mean Max. Temperature (F) 45.5 52.7 56.9 66.6 72.7 83.4 89.7 92.0 83.4 72.6 53.2 45.8 63.5
Year Highest Occurred 1983 1963 1986 1977 1969 1974 1985 1967 1967 1988 1969 1962 1967
Lowest Mean Max. Temperature (F) 26.0 33.7 46.2 51.2 59.2 68.5 75.5 76.5 65.9 55.8 35.7 29.5 57.5
Year Lowest Occurred 1979 1989 1975 1967 1962 1980 1983 1976 1985 1984 1985 1983 1985
Mean Temperature (F) 31.4 36.4 40.7 45.5 52.5 60.8 67.3 67.2 59.3 50.0 39.0 32.2 48.5
Highest Mean Temperature (F) 37.2 42.2 45.7 51.3 59.4 67.0 71.5 74.4 66.4 57.6 43.9 37.5 50.7
Year Highest Occurred 1967 1963 1986 1990 1969 1974 1968 1967 1967 1988 1976 1973 1967
Lowest Mean Temperature (F) 15.5 25.1 37.0 40.2 47.8 54.8 61.0 61.2 52.8 44.8 26.9 21.6 45.0
Year Lowest Occurred 1979 1989 1975 1967 1962 1980 1983 1980 1985 1982 1985 1985 1985
Mean Min. Temperature (F) 23.3 27.1 29.8 32.8 38.5 45.8 50.5 50.6 43.8 36.5 29.9 24.5 36.1
Highest Mean Min. Temperature (F) 29.7 32.2 34.5 38.2 46.1 51.7 55.9 58.5 49.4 42.5 34.7 31.2 38.0
Year Highest Occurred 1967 1961 1986 1989 1969 1970 1971 1977 1967 1988 1976 1973 1973
Lowest Mean Min. Temperature (F) 4.9 16.5 25.9 28.0 34.4 41.1 44.5 41.8 39.6 31.7 18.0 13.6 32.5
Year Lowest Occurred 1979 1989 1965 1964 1964 1980 1981 1980 1985 1982 1985 1985 1985
Mean Precipitation (in.) 1.61 1.10 1.16 0.95 1.11 1.02 0.40 0.71 0.81 0.93 1.87 1.71 13.38
Highest Precipitation (in.) 3.68 3.34 3.04 2.65 3.64 3.54 1.47 5.37 4.51 2.70 4.66 7.37 21.31
Year Highest Occurred 1970 1986 1983 1983 1977 1969 1978 1976 1982 1982 1984 1964 1983
Lowest Precipitation (in.) 0.26 0.04 0.11 0.00 0.03 0.04 0.00 0.00 0.00 0.00 0.44 0.17 7.26
Year Lowest Occurred 1985 1964 1968 1977 1964 1974 1988 1988 1990 1988 1982 1976 1974
Heating Degree Days (F) 1042. 801. 753. 585. 388. 176. 68. 79. 214. 465. 780. 1017. 6368.
Cooling Degree Days (F) 0. 0. 0. 0. 0. 50. 139. 147. 43. 0. 0. 0. 379.

Western Regional Climate Center, wrcc@dri.edu