LOMPOC, CALIFORNIA

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 65.7 66.4 66.3 68.6 68.9 71.2 72.9 74.2 75.8 75.2 69.9 65.8 70.1
Highest Mean Max. Temperature (F) 71.1 74.0 74.8 77.8 74.8 77.8 78.9 79.6 86.7 80.1 77.4 72.8 73.5
Year Highest Occurred 1986 1988 1988 1989 1984 1981 1985 1984 1984 1967 1989 1989 1989
Lowest Mean Max. Temperature (F) 60.2 59.1 60.0 62.4 64.0 66.0 65.4 68.4 69.7 70.9 65.1 60.3 66.6
Year Lowest Occurred 1979 1962 1962 1967 1962 1962 1962 1970 1962 1971 1964 1971 1962
Mean Temperature (F) 52.9 54.3 54.8 56.7 58.4 61.1 62.9 64.1 64.3 62.2 56.9 52.7 58.4
Highest Mean Temperature (F) 58.5 58.6 60.3 64.1 62.8 65.5 67.4 68.5 72.5 67.2 61.7 57.6 60.9
Year Highest Occurred 1986 1968 1988 1989 1987 1985 1988 1984 1984 1987 1989 1977 1989
Lowest Mean Temperature (F) 49.0 50.1 50.6 51.6 54.6 56.9 58.4 59.4 60.6 57.1 52.7 48.2 55.8
Year Lowest Occurred 1979 1966 1962 1967 1962 1962 1962 1970 1962 1971 1978 1978 1971
Mean Min. Temperature (F) 40.1 42.1 43.3 44.7 47.9 51.0 52.9 54.0 52.8 49.1 43.8 39.5 46.8
Highest Mean Min. Temperature (F) 46.1 48.8 49.1 50.3 52.1 53.7 56.3 57.4 58.4 56.0 49.3 46.6 49.2
Year Highest Occurred 1978 1968 1978 1990 1987 1986 1988 1984 1983 1987 1967 1977 1983
Lowest Mean Min. Temperature (F) 35.9 36.4 37.4 40.6 45.2 47.7 49.1 50.4 48.6 43.2 37.7 33.0 43.8
Year Lowest Occurred 1962 1964 1977 1963 1962 1962 1978 1970 1970 1971 1979 1978 1979
Mean Precipitation (in.) 2.64 2.83 2.58 1.13 0.21 0.02 0.00 0.04 0.26 0.46 1.71 2.07 13.95
Highest Precipitation (in.) 8.43 10.26 7.92 4.14 2.54 0.16 0.03 0.57 2.67 2.23 6.33 5.42 32.66
Year Highest Occurred 1983 1962 1978 1967 1977 1976 1971 1976 1976 1968 1965 1971 1983
Lowest Precipitation (in.) 0.00 0.08 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 3.12
Year Lowest Occurred 1976 1964 1972 1985 1986 1989 1990 1990 1988 1990 1980 1989 1989
Heating Degree Days (F) 375. 300. 321. 260. 211. 139. 116. 82. 89. 125. 252. 381. 2651.
Cooling Degree Days (F) 0. 0. 5. 11. 7. 22. 51. 54. 68. 38. 9. 0. 265.

Western Regional Climate Center, wrcc@dri.edu