MARYSVILLE, CALIFORNIA

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 53.9 61.5 66.6 73.6 82.5 90.2 96.0 94.3 88.8 79.1 64.1 54.2 75.4
Highest Mean Max. Temperature (F) 58.5 68.2 73.0 81.9 88.1 95.8 100.8 101.2 94.6 84.4 70.6 61.5 77.6
Year Highest Occurred 1976 1988 1972 1987 1973 1961 1988 1967 1984 1978 1986 1976 1988
Lowest Mean Max. Temperature (F) 48.6 56.1 62.1 61.3 74.1 83.8 90.4 87.1 81.0 73.3 58.1 46.5 72.6
Year Lowest Occurred 1961 1969 1982 1967 1977 1980 1987 1976 1986 1981 1982 1963 1982
Mean Temperature (F) 45.6 51.5 55.3 60.6 68.1 74.6 78.8 77.4 72.8 64.9 53.7 46.0 62.4
Highest Mean Temperature (F) 51.2 57.1 60.2 66.6 72.5 79.5 84.2 83.1 78.6 69.8 57.6 50.3 64.4
Year Highest Occurred 1978 1963 1972 1987 1973 1981 1988 1967 1984 1987 1967 1977 1988
Lowest Mean Temperature (F) 41.8 46.9 52.2 51.5 62.2 69.3 74.7 71.6 67.8 60.8 49.6 40.6 60.5
Year Lowest Occurred 1963 1990 1967 1967 1977 1980 1987 1976 1986 1981 1982 1963 1982
Mean Min. Temperature (F) 37.2 41.4 44.0 47.6 53.6 58.9 61.6 60.4 56.8 50.8 43.2 37.7 49.4
Highest Mean Min. Temperature (F) 44.9 48.5 49.9 51.8 58.4 64.0 67.5 65.0 62.5 55.7 48.4 43.5 51.4
Year Highest Occurred 1978 1963 1978 1990 1987 1981 1988 1967 1984 1987 1981 1981 1986
Lowest Mean Min. Temperature (F) 31.3 35.8 39.9 41.6 50.1 54.0 56.6 56.1 52.2 46.6 40.1 32.3 47.5
Year Lowest Occurred 1963 1966 1967 1967 1964 1965 1966 1976 1965 1966 1964 1990 1966
Mean Precipitation (in.) 4.09 3.15 3.04 1.46 0.39 0.21 0.07 0.10 0.39 1.42 3.29 3.43 21.04
Highest Precipitation (in.) 9.42 9.48 8.02 4.71 2.58 1.15 1.68 1.00 1.85 9.31 7.38 14.04 46.26
Year Highest Occurred 1978 1975 1983 1963 1990 1967 1974 1965 1989 1962 1973 1983 1983
Lowest Precipitation (in.) 0.46 0.14 0.17 0.04 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 7.41
Year Lowest Occurred 1984 1971 1988 1977 1985 1987 1990 1990 1990 1978 1986 1989 1976
Heating Degree Days (F) 601. 378. 305. 184. 39. 5. 0. 0. 8. 76. 339. 589. 2524.
Cooling Degree Days (F) 0. 0. 0. 52. 135. 293. 428. 384. 242. 73. 0. 0. 1607.

Western Regional Climate Center, wrcc@dri.edu