TWIN LAKES, CALIFORNIA

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 38.7 39.1 40.0 44.9 52.9 62.0 69.8 69.4 63.2 55.0 43.4 38.9 51.4
Highest Mean Max. Temperature (F) 46.7 46.0 45.7 54.5 60.8 71.8 77.4 78.6 70.1 65.4 52.5 50.3 55.7
Year Highest Occurred 1961 1963 1978 1987 1984 1985 1981 1981 1981 1988 1976 1980 1981
Lowest Mean Max. Temperature (F) 32.4 30.3 33.3 28.9 42.1 54.1 66.6 60.7 53.8 46.5 36.6 30.9 47.4
Year Lowest Occurred 1979 1969 1967 1967 1977 1980 1969 1968 1986 1972 1983 1971 1971
Mean Temperature (F) 27.5 27.7 28.8 33.6 41.2 49.7 56.5 56.5 50.7 43.0 33.0 28.2 39.7
Highest Mean Temperature (F) 34.3 35.3 34.7 42.0 47.2 57.3 61.5 62.4 55.5 51.4 39.8 37.5 43.1
Year Highest Occurred 1986 1963 1986 1987 1984 1985 1988 1981 1979 1988 1976 1980 1981
Lowest Mean Temperature (F) 21.4 20.8 23.2 21.5 33.3 43.9 51.9 50.3 43.9 36.8 27.6 20.4 36.9
Year Lowest Occurred 1979 1969 1962 1967 1977 1965 1983 1976 1986 1984 1983 1971 1971
Mean Min. Temperature (F) 16.2 16.2 17.5 22.2 29.5 37.4 43.1 43.5 38.1 30.9 22.6 17.5 27.9
Highest Mean Min. Temperature (F) 25.6 24.5 24.4 29.5 34.8 42.8 47.5 46.4 42.3 37.4 27.3 24.7 30.9
Year Highest Occurred 1986 1963 1986 1990 1987 1985 1988 1986 1979 1988 1967 1980 1986
Lowest Mean Min. Temperature (F) 10.0 7.5 10.6 11.9 24.4 30.8 35.9 38.9 32.0 26.2 16.5 9.4 24.8
Year Lowest Occurred 1966 1966 1962 1975 1965 1965 1983 1976 1965 1984 1982 1978 1965
Mean Precipitation (in.) 8.27 6.82 6.66 4.09 2.03 1.16 0.61 0.95 1.38 2.82 7.20 7.51 49.50
Highest Precipitation (in.) 30.24 23.06 16.60 13.61 5.60 5.22 4.00 6.36 4.85 10.06 17.80 30.01 85.21
Year Highest Occurred 1969 1986 1967 1963 1963 1970 1974 1965 1982 1962 1983 1964 1983
Lowest Precipitation (in.) 0.89 0.25 1.09 0.47 0.07 0.00 0.00 0.00 0.00 0.00 0.52 0.06 23.51
Year Lowest Occurred 1984 1988 1988 1977 1985 1981 1989 1981 1979 1966 1986 1989 1976
Heating Degree Days (F) 1163. 1044. 1122. 942. 738. 464. 271. 274. 429. 682. 960. 1141. 9230.
Cooling Degree Days (F) 0. 0. 0. 0. 0. 0. 7. 11. 0. 0. 0. 0. 18.

Western Regional Climate Center, wrcc@dri.edu