DAVIS 2 WSW EXP FARM, CALIFORNIA

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 52.8 59.9 64.3 71.3 80.0 87.9 92.7 91.4 87.0 78.1 63.3 53.0 73.5
Highest Mean Max. Temperature (F) 60.3 65.8 72.4 79.5 85.2 95.1 97.7 98.4 92.5 84.6 70.6 59.6 75.8
Year Highest Occurred 1976 1988 1972 1987 1984 1981 1988 1967 1974 1978 1986 1976 1988
Lowest Mean Max. Temperature (F) 48.1 53.9 60.1 57.9 71.5 82.4 87.7 85.3 80.8 72.2 56.2 45.6 70.1
Year Lowest Occurred 1985 1969 1982 1967 1977 1964 1987 1976 1986 1972 1982 1963 1963
Mean Temperature (F) 44.5 49.7 53.0 57.8 64.6 71.1 74.1 73.1 69.9 62.9 52.3 44.9 59.8
Highest Mean Temperature (F) 50.6 55.5 58.1 63.0 69.1 77.4 79.0 77.8 75.0 66.3 55.9 50.0 61.1
Year Highest Occurred 1978 1963 1972 1990 1984 1981 1988 1967 1984 1978 1967 1977 1988
Lowest Mean Temperature (F) 40.8 45.5 49.8 48.3 58.1 66.8 70.4 69.9 65.5 59.9 47.9 40.8 58.1
Year Lowest Occurred 1985 1989 1985 1967 1977 1980 1987 1976 1986 1984 1982 1990 1963
Mean Min. Temperature (F) 36.3 39.5 41.6 44.2 49.2 54.2 55.3 54.8 52.8 47.7 41.2 36.6 46.1
Highest Mean Min. Temperature (F) 44.6 46.6 46.9 47.8 52.9 59.7 60.3 58.4 57.6 51.0 45.6 43.2 48.4
Year Highest Occurred 1978 1963 1978 1985 1987 1981 1988 1983 1984 1972 1981 1977 1983
Lowest Mean Min. Temperature (F) 30.5 34.2 37.6 38.6 44.7 50.9 53.0 51.1 48.6 44.6 37.2 28.2 44.8
Year Lowest Occurred 1963 1990 1977 1967 1977 1965 1977 1970 1965 1971 1975 1976 1989
Mean Precipitation (in.) 3.94 2.86 2.65 1.10 0.28 0.15 0.03 0.06 0.29 1.08 2.83 2.86 18.13
Highest Precipitation (in.) 9.69 9.70 8.63 5.44 1.85 0.95 0.63 0.51 2.31 7.93 6.87 6.58 38.15
Year Highest Occurred 1978 1986 1983 1982 1990 1967 1974 1976 1989 1962 1970 1983 1983
Lowest Precipitation (in.) 0.23 0.02 0.08 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.13 0.03 5.62
Year Lowest Occurred 1975 1964 1972 1977 1984 1990 1990 1990 1988 1978 1980 1989 1976
Heating Degree Days (F) 636. 428. 372. 242. 98. 13. 0. 0. 18. 100. 381. 623. 2911.
Cooling Degree Days (F) 0. 0. 0. 26. 86. 196. 282. 251. 165. 35. 0. 0. 1041.

Western Regional Climate Center, wrcc@dri.edu