WINTERS, CALIFORNIA

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 54.8 62.0 66.4 73.7 82.7 91.0 96.4 94.9 89.7 80.1 65.2 55.0 76.0
Highest Mean Max. Temperature (F) 62.0 69.8 74.4 82.7 87.7 97.0 102.2 100.4 95.4 86.6 73.5 62.8 79.0
Year Highest Occurred 1976 1988 1972 1987 1984 1981 1988 1967 1984 1978 1986 1976 1988
Lowest Mean Max. Temperature (F) 50.7 55.0 61.7 58.6 73.6 84.5 92.0 87.6 84.1 73.6 58.0 46.7 72.5
Year Lowest Occurred 1961 1969 1975 1967 1977 1965 1987 1976 1986 1962 1982 1963 1963
Mean Temperature (F) 45.7 51.4 55.0 60.4 67.8 74.5 78.1 77.0 73.1 65.2 53.9 46.0 62.3
Highest Mean Temperature (F) 50.5 56.1 60.5 66.7 72.3 80.6 83.2 80.5 78.6 70.7 58.5 50.7 64.4
Year Highest Occurred 1986 1963 1972 1987 1984 1981 1988 1967 1984 1987 1986 1964 1988
Lowest Mean Temperature (F) 41.4 47.0 51.4 49.5 61.3 69.3 74.2 73.2 68.0 62.0 49.7 40.5 59.8
Year Lowest Occurred 1963 1969 1962 1967 1977 1965 1966 1976 1965 1981 1982 1963 1963
Mean Min. Temperature (F) 36.6 40.8 43.6 47.1 52.8 58.0 59.7 58.9 56.5 50.3 42.6 37.0 48.7
Highest Mean Min. Temperature (F) 43.9 45.9 48.5 51.1 56.9 64.1 64.1 62.4 61.7 54.8 47.1 43.3 50.7
Year Highest Occurred 1978 1963 1978 1966 1984 1981 1988 1983 1984 1987 1981 1983 1981
Lowest Mean Min. Temperature (F) 29.3 35.8 40.5 40.3 48.0 54.0 56.1 56.0 51.6 46.3 39.3 29.7 47.0
Year Lowest Occurred 1963 1990 1985 1967 1964 1965 1966 1970 1965 1971 1969 1990 1989
Mean Precipitation (in.) 5.07 3.62 3.05 1.18 0.29 0.14 0.03 0.06 0.28 1.15 3.29 3.51 21.67
Highest Precipitation (in.) 13.29 13.09 10.21 4.78 2.36 1.73 0.50 0.67 2.29 6.90 7.51 8.09 47.12
Year Highest Occurred 1978 1980 1983 1982 1990 1967 1974 1976 1989 1962 1970 1983 1983
Lowest Precipitation (in.) 0.25 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.05 0.00 6.60
Year Lowest Occurred 1975 1964 1972 1977 1985 1990 1990 1990 1988 1978 1975 1989 1976
Heating Degree Days (F) 598. 381. 315. 202. 53. 6. 0. 0. 6. 79. 333. 589. 2562.
Cooling Degree Days (F) 0. 0. 0. 64. 139. 291. 406. 372. 249. 85. 0. 0. 1606.

Western Regional Climate Center, wrcc@dri.edu