SQUAW BUTTE EXPERIMENT, OREGON

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 35.2 40.8 46.4 54.7 63.6 73.7 82.8 82.3 72.6 61.2 45.0 36.4 57.9
Highest Mean Max. Temperature (F) 40.4 49.8 52.6 64.7 71.6 81.9 88.7 89.0 79.8 72.5 54.4 44.8 59.8
Year Highest Occurred 1990 1963 1968 1987 1966 1961 1985 1971 1990 1988 1976 1976 1988
Lowest Mean Max. Temperature (F) 28.1 29.4 39.8 45.4 54.2 67.0 75.6 71.8 62.5 51.7 35.6 29.4 54.9
Year Lowest Occurred 1979 1989 1962 1967 1977 1980 1983 1976 1986 1984 1985 1972 1984
Mean Temperature (F) 26.6 31.7 36.0 42.1 49.7 58.8 66.5 66.0 57.4 47.8 35.6 28.0 45.5
Highest Mean Temperature (F) 33.0 39.1 41.9 50.4 54.6 64.8 72.1 71.2 65.0 57.6 42.8 35.3 47.2
Year Highest Occurred 1976 1963 1986 1990 1973 1961 1985 1971 1990 1988 1976 1980 1987
Lowest Mean Temperature (F) 19.2 20.4 31.2 35.0 43.7 53.9 61.2 59.9 50.1 41.6 25.0 20.3 43.2
Year Lowest Occurred 1979 1989 1964 1967 1977 1971 1983 1968 1986 1969 1985 1990 1985
Mean Min. Temperature (F) 18.0 22.5 25.5 29.4 35.8 43.9 50.2 49.7 42.1 34.3 26.0 19.6 33.1
Highest Mean Min. Temperature (F) 25.9 28.4 31.5 36.4 40.2 49.2 55.4 55.2 50.1 42.7 31.1 29.2 35.0
Year Highest Occurred 1976 1963 1983 1990 1973 1986 1985 1977 1990 1988 1976 1980 1986
Lowest Mean Min. Temperature (F) 10.3 11.4 19.7 23.4 30.9 40.5 44.3 44.0 33.8 29.1 14.3 10.4 29.9
Year Lowest Occurred 1979 1989 1971 1970 1965 1971 1963 1964 1972 1970 1985 1990 1964
Mean Precipitation (in.) 1.17 0.82 0.97 0.80 1.10 0.91 0.40 0.73 0.63 0.81 1.28 1.33 10.95
Highest Precipitation (in.) 2.80 3.24 2.86 2.50 2.02 2.54 1.69 3.45 1.93 3.38 2.67 4.91 16.25
Year Highest Occurred 1970 1986 1989 1978 1977 1965 1987 1976 1982 1962 1981 1964 1964
Lowest Precipitation (in.) 0.18 0.05 0.03 0.03 0.25 0.03 0.00 0.00 0.00 0.00 0.19 0.05 6.61
Year Lowest Occurred 1984 1964 1976 1968 1982 1973 1988 1970 1987 1988 1974 1976 1974
Heating Degree Days (F) 1190. 932. 899. 687. 474. 212. 73. 89. 271. 533. 882. 1147. 7389.
Cooling Degree Days (F) 0. 0. 0. 0. 0. 26. 120. 120. 43. 0. 0. 0. 309.

Western Regional Climate Center, wrcc@dri.edu