SAN GREGORIO 2 SE, CALIFORNIA

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 58.9 60.0 59.9 62.0 63.6 67.0 69.1 70.1 71.3 68.4 62.9 58.6 64.3
Highest Mean Max. Temperature (F) 65.3 64.3 64.2 68.0 67.9 72.0 73.4 72.6 76.8 73.2 67.7 64.2 65.4
Year Highest Occurred 1961 1963 1978 1989 1978 1976 1988 1990 1984 1967 1976 1980 1988
Lowest Mean Max. Temperature (F) 54.7 54.8 56.4 56.9 59.3 62.2 65.4 66.7 65.9 63.8 58.1 52.9 62.3
Year Lowest Occurred 1974 1989 1985 1967 1964 1967 1962 1970 1962 1971 1973 1971 1971
Mean Temperature (F) 49.4 50.7 50.8 52.1 54.5 57.7 59.5 60.4 60.2 57.0 52.6 49.1 54.5
Highest Mean Temperature (F) 53.4 55.3 56.3 57.0 57.2 60.2 62.1 64.1 64.1 61.0 56.1 52.6 56.7
Year Highest Occurred 1986 1963 1978 1989 1987 1986 1988 1990 1983 1983 1967 1980 1983
Lowest Mean Temperature (F) 45.7 46.2 47.8 48.7 51.1 55.2 55.9 57.1 57.0 51.5 48.9 44.0 52.7
Year Lowest Occurred 1963 1989 1964 1967 1964 1962 1962 1969 1962 1971 1985 1990 1971
Mean Min. Temperature (F) 39.8 41.4 41.7 42.2 45.3 48.2 49.8 50.6 49.0 45.6 42.3 39.6 44.6
Highest Mean Min. Temperature (F) 45.2 47.4 48.4 45.9 48.3 51.6 52.7 55.6 53.2 50.9 47.0 47.0 48.1
Year Highest Occurred 1970 1968 1978 1989 1987 1982 1990 1990 1983 1983 1981 1983 1983
Lowest Mean Min. Temperature (F) 33.9 34.7 37.6 39.1 42.8 45.2 46.3 44.6 44.7 39.2 38.0 32.3 43.0
Year Lowest Occurred 1963 1964 1964 1977 1964 1962 1962 1969 1970 1971 1975 1990 1971
Mean Precipitation (in.) 5.39 4.08 4.47 2.16 0.58 0.27 0.14 0.18 0.42 1.82 4.20 4.52 28.23
Highest Precipitation (in.) 13.05 11.02 12.51 6.28 2.81 1.55 1.15 1.63 2.05 8.47 9.99 9.75 57.86
Year Highest Occurred 1982 1986 1983 1967 1990 1967 1974 1976 1986 1962 1973 1970 1983
Lowest Precipitation (in.) 0.31 0.42 0.32 0.04 0.00 0.00 0.00 0.00 0.00 0.06 0.49 0.20 13.46
Year Lowest Occurred 1984 1964 1972 1973 1982 1973 1989 1985 1987 1966 1986 1989 1976
Heating Degree Days (F) 484. 400. 440. 387. 326. 219. 173. 150. 149. 252. 372. 493. 3845.
Cooling Degree Days (F) 0. 0. 0. 0. 0. 0. 0. 8. 5. 0. 0. 0. 13.

Western Regional Climate Center, wrcc@dri.edu