BOWMAN DAM, CALIFORNIA

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 44.8 46.0 46.9 52.6 61.4 70.7 78.2 77.7 71.7 63.1 49.6 44.7 59.0
Highest Mean Max. Temperature (F) 51.4 55.3 53.9 63.6 67.5 76.5 85.3 84.9 78.5 76.5 61.8 56.1 63.1
Year Highest Occurred 1961 1988 1972 1987 1973 1985 1988 1988 1988 1988 1976 1989 1988
Lowest Mean Max. Temperature (F) 39.1 36.4 39.0 37.2 50.6 64.4 71.7 69.9 62.4 53.8 39.9 36.5 55.5
Year Lowest Occurred 1973 1969 1982 1967 1977 1980 1983 1976 1986 1984 1973 1971 1983
Mean Temperature (F) 35.5 36.1 37.2 42.0 49.8 58.6 65.4 65.1 59.8 52.0 40.7 35.9 48.2
Highest Mean Temperature (F) 40.9 43.3 43.4 49.5 55.3 63.4 69.1 70.6 65.5 61.9 49.8 43.3 50.1
Year Highest Occurred 1986 1963 1972 1987 1966 1961 1988 1988 1974 1988 1976 1989 1988
Lowest Mean Temperature (F) 30.6 29.0 32.2 29.7 41.4 52.7 58.4 58.9 51.2 44.8 34.1 29.0 45.4
Year Lowest Occurred 1973 1969 1962 1967 1977 1980 1983 1989 1986 1984 1973 1987 1983
Mean Min. Temperature (F) 26.2 26.2 27.4 31.4 38.2 46.5 52.6 52.5 47.8 40.8 31.7 27.1 37.4
Highest Mean Min. Temperature (F) 30.8 34.9 32.9 37.1 44.3 51.8 56.2 58.4 54.0 47.2 37.9 33.7 39.3
Year Highest Occurred 1986 1963 1972 1990 1966 1977 1972 1967 1967 1988 1967 1962 1970
Lowest Mean Min. Temperature (F) 21.1 19.9 21.5 22.2 32.2 41.0 45.1 41.8 39.9 35.7 27.0 20.2 35.3
Year Lowest Occurred 1988 1990 1962 1967 1977 1980 1983 1989 1986 1984 1985 1987 1983
Mean Precipitation (in.) 11.46 9.23 9.34 4.58 2.53 1.07 0.36 0.84 1.50 4.75 10.37 10.92 66.95
Highest Precipitation (in.) 37.33 27.99 22.36 14.71 9.68 4.58 5.33 4.44 7.55 23.35 27.48 45.22 120.97
Year Highest Occurred 1970 1986 1983 1963 1990 1967 1974 1965 1986 1962 1981 1964 1983
Lowest Precipitation (in.) 0.46 0.58 1.88 0.72 0.20 0.00 0.00 0.00 0.00 0.00 1.17 0.00 26.67
Year Lowest Occurred 1984 1988 1988 1968 1985 1986 1989 1988 1987 1966 1986 1989 1976
Heating Degree Days (F) 915. 809. 862. 690. 471. 216. 81. 97. 197. 418. 729. 902. 6387.
Cooling Degree Days (F) 0. 0. 0. 0. 0. 24. 93. 100. 41. 15. 0. 0. 273.

Western Regional Climate Center, wrcc@dri.edu