HENSHAW 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) 60.3 62.4 64.2 69.1 74.9 85.0 92.2 92.6 87.6 78.5 67.9 61.2 74.7
Highest Mean Max. Temperature (F) 66.0 71.8 76.7 76.7 86.1 92.2 97.6 97.1 96.5 87.3 76.1 68.1 97.6
Year Highest Occurred 1994 1991 1972 1989 1997 1981 1989 1998 1979 1988 1999 2000 1989
Lowest Mean Max. Temperature (F) 53.4 55.1 55.5 58.3 64.8 75.5 84.5 87.8 76.3 71.8 60.4 52.6 52.6
Year Lowest Occurred 1979 1998 1973 1975 1977 1982 1987 1976 1986 1972 1984 1984 1984
Mean Temperature (F) 45.2 47.2 49.5 53.4 58.7 65.7 72.0 72.6 67.7 58.8 49.9 44.7 57.1
Highest Mean Temperature (F) 49.5 53.6 55.5 58.8 66.1 71.9 77.2 76.9 72.4 64.1 56.3 49.5 77.2
Year Highest Occurred 1986 1995 1972 1992 1997 1981 1996 1980 1979 1978 1995 1977 1996
Lowest Mean Temperature (F) 41.4 43.6 43.9 46.5 52.3 60.3 65.4 66.6 59.5 54.2 44.6 39.6 39.6
Year Lowest Occurred 1973 1998 1973 1975 1977 1982 1987 1976 1986 1998 1994 1987 1987
Mean Min. Temperature (F) 30.0 31.9 34.7 37.7 42.4 46.3 51.8 52.6 47.8 39.0 31.8 28.1 39.5
Highest Mean Min. Temperature (F) 36.4 38.4 38.9 42.8 47.9 51.6 61.3 59.0 55.5 45.6 36.5 33.3 61.3
Year Highest Occurred 1980 1995 1995 1971 1992 1981 1984 1984 1984 1983 1995 1983 1984
Lowest Mean Min. Temperature (F) 22.6 24.8 27.2 34.0 38.7 39.2 46.2 45.4 39.5 31.5 26.9 21.9 21.9
Year Lowest Occurred 1999 1999 1999 1983 1998 1999 1987 1976 1973 1998 1998 1976 1976
Mean Precipitation (in.) 5.74 5.56 5.85 1.78 0.65 0.16 0.40 0.65 0.67 0.90 2.36 3.19 27.91
Highest Precipitation (in.) 29.27 19.79 21.10 4.95 4.37 1.01 2.44 4.30 4.58 4.99 10.46 10.23 29.27
Year Highest Occurred 1993 1980 1991 1983 1998 1995 1976 1977 1976 1987 1985 1984 1993
Lowest Precipitation (in.) 0.00 0.20 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.00
Year Lowest Occurred 1976 1984 1972 1993 1984 2000 2000 1999 1996 1999 1992 2000 1976
Heating Degree Days (F) 615. 500. 484. 353. 227. 73. 16. 12. 62. 224. 455. 630. 3651.
Cooling Degree Days (F) 0. 0. 0. 4. 30. 93. 233. 253. 143. 30. 0. 0. 786.

Western Regional Climate Center, wrcc@dri.edu