BOWMAN DAM, CALIFORNIA

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 45.0 45.8 47.5 53.8 62.3 72.1 79.4 79.6 73.9 64.3 51.2 45.5 60.0
Highest Mean Max. Temperature (F) 51.6 55.2 56.0 64.3 71.3 78.2 85.3 84.9 79.7 76.5 63.9 56.1 85.3
Year Highest Occurred 1986 1988 1997 1987 1992 1985 1988 1988 1991 1988 1995 1989 1988
Lowest Mean Max. Temperature (F) 37.1 37.3 35.3 43.3 50.2 66.1 73.7 71.7 64.1 55.5 40.8 37.5 35.3
Year Lowest Occurred 1995 1998 1991 1975 1998 1980 1983 1976 1986 1984 1994 1971 1991
Mean Temperature (F) 35.7 35.9 37.7 42.7 50.3 59.0 65.6 66.0 60.9 52.5 41.3 36.1 48.6
Highest Mean Temperature (F) 41.2 41.6 43.5 49.9 58.8 64.2 70.2 70.9 66.3 61.9 50.5 43.3 70.9
Year Highest Occurred 1986 1977 1972 1987 1992 1981 1994 1996 1974 1988 1976 1989 1996
Lowest Mean Temperature (F) 30.5 31.2 29.6 33.9 42.1 53.6 59.4 59.8 52.0 45.6 31.5 29.4 29.4
Year Lowest Occurred 1995 1998 1991 1975 1977 1980 1983 1976 1986 1984 1994 1987 1987
Mean Min. Temperature (F) 26.4 25.9 27.8 31.6 38.2 45.8 51.8 52.3 47.9 40.6 31.4 26.7 37.2
Highest Mean Min. Temperature (F) 30.7 30.1 32.9 37.1 46.2 51.8 56.2 57.5 53.3 47.2 37.7 31.7 57.5
Year Highest Occurred 1986 1980 1972 1990 1992 1977 1972 1996 1974 1988 1976 1995 1996
Lowest Mean Min. Temperature (F) 21.0 19.9 23.4 24.4 32.2 41.0 45.1 47.5 39.9 35.8 22.1 20.1 19.9
Year Lowest Occurred 1988 1990 1985 1975 1977 1995 1983 1975 1986 1984 1994 1987 1990
Mean Precipitation (in.) 12.04 11.04 10.34 4.49 3.35 1.22 0.37 0.57 1.56 4.22 9.04 9.73 67.97
Highest Precipitation (in.) 35.73 27.99 33.22 12.41 13.42 4.21 5.33 3.92 7.55 11.37 27.48 40.80 40.80
Year Highest Occurred 1995 1986 1995 1995 1996 1992 1974 1976 1986 1975 1981 1996 1996
Lowest Precipitation (in.) 0.46 0.58 1.32 0.86 0.20 0.00 0.00 0.00 0.00 0.00 0.73 0.00 0.00
Year Lowest Occurred 1984 1988 1994 1977 1985 1986 2000 2000 1999 1995 1995 1989 1986
Heating Degree Days (F) 909. 816. 831. 669. 465. 209. 85. 76. 176. 404. 711. 896. 6247.
Cooling Degree Days (F) 0. 0. 0. 0. 7. 28. 103. 105. 53. 15. 0. 0. 311.

Western Regional Climate Center, wrcc@dri.edu