MERCED AP, CALIFORNIA

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 54.5 62.3 67.4 74.9 83.7 91.4 96.9 95.2 90.0 80.5 65.3 54.3 76.4
Highest Mean Max. Temperature (F) 59.8 68.0 76.4 82.0 88.3 96.8 101.2 100.4 95.6 86.1 70.7 59.9 78.3
Year Highest Occurred 1970 1988 1972 1987 1973 1981 1967 1967 1984 1978 1986 1976 1988
Lowest Mean Max. Temperature (F) 48.2 55.6 62.5 61.9 75.8 86.0 90.6 88.6 84.1 74.1 59.4 44.7 73.9
Year Lowest Occurred 1977 1962 1982 1967 1977 1982 1987 1976 1986 1984 1982 1963 1982
Mean Temperature (F) 45.1 50.5 54.4 59.6 67.0 73.7 78.6 77.1 72.4 64.0 52.9 44.8 61.7
Highest Mean Temperature (F) 51.3 56.8 61.2 64.8 71.3 79.9 82.4 82.5 77.7 68.2 57.5 50.4 63.0
Year Highest Occurred 1986 1963 1972 1990 1973 1981 1967 1967 1984 1987 1967 1983 1981
Lowest Mean Temperature (F) 41.1 47.0 50.3 50.8 61.1 69.1 73.5 71.4 67.9 59.3 49.5 39.3 60.2
Year Lowest Occurred 1962 1969 1977 1967 1977 1965 1987 1979 1965 1969 1982 1963 1982
Mean Min. Temperature (F) 35.7 38.7 41.4 44.4 50.4 56.1 60.2 59.0 54.8 47.5 40.4 35.3 47.0
Highest Mean Min. Temperature (F) 42.9 46.6 46.4 48.9 54.2 62.9 64.3 64.5 59.9 52.4 45.2 42.5 49.3
Year Highest Occurred 1986 1968 1983 1990 1973 1981 1984 1967 1967 1987 1967 1983 1983
Lowest Mean Min. Temperature (F) 29.1 32.1 34.7 39.7 46.2 51.1 56.0 49.2 49.9 42.1 35.5 27.3 45.2
Year Lowest Occurred 1976 1964 1977 1967 1978 1979 1963 1979 1965 1969 1971 1990 1979
Mean Precipitation (in.) 2.07 2.06 2.00 1.06 0.28 0.06 0.03 0.04 0.20 0.65 1.86 1.70 12.01
Highest Precipitation (in.) 7.07 5.74 5.47 4.60 1.65 0.44 0.42 0.49 1.34 2.10 4.91 3.78 24.18
Year Highest Occurred 1969 1962 1983 1967 1990 1977 1974 1965 1989 1973 1972 1964 1983
Lowest Precipitation (in.) 0.14 0.16 0.00 0.02 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.10 6.55
Year Lowest Occurred 1976 1964 1972 1977 1985 1990 1990 1990 1990 1988 1980 1989 1977
Heating Degree Days (F) 617. 406. 329. 200. 51. 7. 0. 0. 7. 86. 363. 626. 2692.
Cooling Degree Days (F) 0. 0. 0. 38. 113. 268. 422. 375. 229. 55. 0. 0. 1500.

Western Regional Climate Center, wrcc@dri.edu