HENSHAW DAM, CALIFORNIA

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 59.9 62.3 63.2 67.8 74.0 83.6 92.1 92.2 86.6 78.4 67.4 60.7 74.0
Highest Mean Max. Temperature (F) 64.7 69.5 76.7 76.7 83.5 92.2 97.6 101.4 96.5 87.3 73.6 67.5 77.3
Year Highest Occurred 1961 1963 1972 1989 1984 1981 1989 1980 1979 1988 1989 1981 1989
Lowest Mean Max. Temperature (F) 53.4 53.8 55.5 56.0 64.8 73.5 84.5 87.6 76.3 71.8 60.4 52.6 71.0
Year Lowest Occurred 1979 1969 1973 1967 1977 1965 1987 1968 1986 1972 1984 1984 1982
Mean Temperature (F) 44.5 46.7 48.5 52.5 57.9 65.1 72.4 72.7 67.0 58.9 50.1 44.4 56.7
Highest Mean Temperature (F) 49.5 51.9 55.6 57.5 63.4 71.9 77.1 78.1 72.4 64.1 55.6 49.5 58.7
Year Highest Occurred 1986 1963 1972 1989 1984 1981 1970 1967 1979 1978 1967 1977 1980
Lowest Mean Temperature (F) 41.4 43.2 44.0 45.0 52.3 58.6 65.4 66.6 59.5 55.0 46.9 39.6 55.0
Year Lowest Occurred 1973 1969 1973 1967 1977 1965 1987 1976 1986 1986 1984 1987 1987
Mean Min. Temperature (F) 29.1 31.0 33.8 37.1 41.8 46.6 52.7 53.2 47.4 39.2 32.7 28.1 39.4
Highest Mean Min. Temperature (F) 36.4 36.4 38.5 42.8 45.6 51.6 61.3 60.7 55.5 45.6 38.4 33.3 41.5
Year Highest Occurred 1980 1980 1986 1971 1976 1981 1984 1967 1984 1983 1967 1983 1984
Lowest Mean Min. Temperature (F) 23.7 25.5 27.7 31.9 38.1 42.0 46.2 45.4 39.5 32.1 28.4 21.9 36.7
Year Lowest Occurred 1972 1964 1977 1970 1961 1971 1987 1976 1973 1973 1979 1976 1973
Mean Precipitation (in.) 4.64 4.45 4.88 2.02 0.60 0.09 0.42 0.66 0.65 0.83 3.00 3.78 26.02
Highest Precipitation (in.) 19.09 19.79 14.71 9.01 3.33 0.81 2.44 4.30 4.58 4.99 15.34 13.42 53.74
Year Highest Occurred 1969 1980 1978 1965 1977 1972 1976 1977 1976 1987 1965 1966 1978
Lowest Precipitation (in.) 0.00 0.00 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.33 9.48
Year Lowest Occurred 1976 1967 1972 1962 1984 1989 1989 1989 1981 1988 1980 1989 1961
Heating Degree Days (F) 636. 512. 512. 380. 227. 91. 12. 14. 72. 209. 447. 639. 3751.
Cooling Degree Days (F) 0. 0. 0. 0. 7. 94. 241. 253. 132. 20. 0. 0. 747.

Western Regional Climate Center, wrcc@dri.edu