SEXTON SUMMIT, OREGON

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 41.5 43.4 45.2 50.7 59.1 67.2 74.7 74.7 69.0 58.8 45.5 41.3 55.9
Highest Mean Max. Temperature (F) 48.4 51.3 52.2 59.8 65.8 72.8 80.2 83.4 78.6 70.7 56.3 50.7 58.5
Year Highest Occurred 1961 1988 1965 1987 1969 1987 1972 1967 1974 1987 1976 1989 1987
Lowest Mean Max. Temperature (F) 33.5 35.1 39.3 41.8 52.2 60.4 66.2 68.5 60.2 50.9 37.0 34.5 53.4
Year Lowest Occurred 1969 1969 1971 1967 1962 1980 1983 1976 1986 1984 1973 1971 1983
Mean Temperature (F) 36.1 37.8 38.5 42.3 49.2 56.6 63.2 63.8 59.1 51.2 40.3 36.3 47.9
Highest Mean Temperature (F) 42.6 44.4 44.8 49.9 55.6 61.1 68.2 71.7 67.8 61.4 49.9 44.6 50.2
Year Highest Occurred 1981 1963 1978 1987 1969 1987 1972 1967 1974 1987 1976 1989 1987
Lowest Mean Temperature (F) 29.0 30.9 34.0 34.6 43.7 51.0 56.7 59.9 52.1 44.8 32.6 29.9 46.0
Year Lowest Occurred 1969 1969 1975 1967 1962 1980 1983 1989 1986 1984 1985 1971 1971
Mean Min. Temperature (F) 30.6 32.0 31.8 33.7 39.2 45.9 51.7 52.9 49.2 43.6 35.0 31.3 39.7
Highest Mean Min. Temperature (F) 37.0 38.9 37.5 40.8 45.4 50.2 56.4 59.9 57.0 52.0 43.5 39.0 41.8
Year Highest Occurred 1981 1963 1986 1990 1969 1961 1985 1967 1974 1987 1976 1985 1987
Lowest Mean Min. Temperature (F) 24.5 24.8 28.1 27.4 35.2 41.6 46.2 49.5 43.9 38.6 27.5 24.7 37.5
Year Lowest Occurred 1969 1989 1976 1967 1962 1980 1963 1989 1986 1984 1985 1972 1964
Mean Precipitation (in.) 5.60 4.07 3.91 2.19 1.53 0.86 0.35 0.77 1.24 2.98 6.28 5.90 35.68
Highest Precipitation (in.) 19.03 10.34 8.89 7.54 7.26 2.80 1.81 4.23 4.26 9.77 24.09 20.03 58.45
Year Highest Occurred 1970 1961 1961 1963 1963 1978 1983 1976 1977 1962 1973 1964 1973
Lowest Precipitation (in.) 0.18 0.28 0.26 0.71 0.11 0.18 0.00 0.00 0.00 0.01 0.74 0.49 14.82
Year Lowest Occurred 1984 1988 1965 1968 1982 1968 1988 1987 1974 1988 1976 1976 1985
Heating Degree Days (F) 896. 762. 822. 681. 490. 263. 131. 121. 227. 442. 741. 890. 6466.
Cooling Degree Days (F) 0. 0. 0. 0. 0. 11. 75. 84. 50. 15. 0. 0. 235.

Western Regional Climate Center, wrcc@dri.edu