COLFAX, CALIFORNIA

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 55.2 57.7 59.4 66.0 75.0 84.1 91.4 90.2 84.5 74.6 60.6 54.6 71.1
Highest Mean Max. Temperature (F) 61.1 65.9 68.0 75.0 80.4 90.1 96.7 96.9 91.8 81.9 69.6 64.3 73.3
Year Highest Occurred 1961 1988 1972 1987 1973 1961 1961 1967 1974 1988 1976 1989 1988
Lowest Mean Max. Temperature (F) 49.2 49.1 53.8 49.3 65.1 77.3 85.4 81.7 75.5 67.3 51.7 46.4 68.1
Year Lowest Occurred 1973 1969 1982 1967 1977 1980 1983 1976 1985 1984 1973 1971 1982
Mean Temperature (F) 45.2 47.4 49.1 54.1 61.8 70.3 76.9 75.4 70.1 61.4 50.1 44.6 58.9
Highest Mean Temperature (F) 50.3 53.8 57.5 61.3 66.4 75.9 81.9 83.2 76.2 66.7 56.1 50.4 60.3
Year Highest Occurred 1986 1963 1972 1987 1973 1961 1972 1967 1974 1988 1976 1980 1961
Lowest Mean Temperature (F) 40.8 41.4 45.0 42.1 54.0 64.0 70.5 67.9 62.9 55.4 45.4 37.9 56.3
Year Lowest Occurred 1973 1969 1973 1967 1977 1980 1983 1976 1986 1984 1973 1972 1982
Mean Min. Temperature (F) 35.1 37.2 38.7 42.1 48.5 56.4 62.3 60.5 55.6 48.1 39.6 34.5 46.6
Highest Mean Min. Temperature (F) 40.4 44.6 47.0 47.6 52.3 62.0 67.5 69.4 62.3 52.9 45.6 39.6 48.4
Year Highest Occurred 1986 1963 1972 1987 1987 1972 1972 1967 1967 1964 1967 1981 1967
Lowest Mean Min. Temperature (F) 31.1 31.1 33.6 34.7 42.9 50.7 55.5 54.1 49.2 42.1 35.6 26.4 44.5
Year Lowest Occurred 1982 1990 1977 1975 1977 1980 1983 1976 1972 1972 1972 1972 1982
Mean Precipitation (in.) 8.69 7.12 7.14 3.56 1.16 0.46 0.17 0.27 1.02 3.16 7.44 7.56 47.75
Highest Precipitation (in.) 25.04 24.76 19.98 10.07 4.80 3.49 3.55 2.16 4.00 21.36 18.28 26.41 86.91
Year Highest Occurred 1969 1986 1989 1963 1990 1967 1974 1976 1986 1962 1973 1964 1983
Lowest Precipitation (in.) 0.35 0.49 0.90 0.18 0.00 0.00 0.00 0.00 0.00 0.00 0.92 0.00 15.38
Year Lowest Occurred 1984 1988 1976 1977 1985 1990 1990 1990 1987 1966 1986 1989 1976
Heating Degree Days (F) 614. 493. 493. 356. 149. 35. 0. 6. 45. 166. 447. 632. 3436.
Cooling Degree Days (F) 0. 0. 0. 29. 50. 194. 373. 328. 198. 54. 0. 0. 1226.

Western Regional Climate Center, wrcc@dri.edu