MORRO BAY FIRE DEPT, CALIFORNIA

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 61.9 62.4 62.4 63.4 62.8 64.3 65.2 66.0 67.7 68.6 66.1 62.3 64.4
Highest Mean Max. Temperature (F) 66.8 69.4 69.1 68.8 67.4 69.0 69.3 71.2 80.4 75.4 71.8 68.4 80.4
Year Highest Occurred 1986 1988 1988 1992 1993 1976 1983 1984 1984 1983 1989 1980 1984
Lowest Mean Max. Temperature (F) 57.3 58.1 58.0 58.7 58.3 60.8 62.1 62.6 62.6 65.0 61.6 55.2 55.2
Year Lowest Occurred 1979 1979 1999 1975 1999 1991 1978 1999 1999 2000 1973 1971 1971
Mean Temperature (F) 52.0 53.1 53.4 54.2 55.2 57.3 58.8 59.7 60.2 59.3 55.9 52.1 55.9
Highest Mean Temperature (F) 55.0 57.8 57.8 58.5 59.6 60.5 61.9 64.0 69.3 64.9 60.0 57.0 69.3
Year Highest Occurred 1986 1995 1978 1996 1997 1985 1983 1997 1984 1983 1997 1977 1984
Lowest Mean Temperature (F) 48.7 49.1 49.0 49.7 50.5 53.4 56.3 57.2 56.5 56.1 51.9 47.6 47.6
Year Lowest Occurred 1987 1990 1977 1975 1991 1991 1975 1989 1989 1971 1994 1971 1971
Mean Min. Temperature (F) 42.0 43.8 44.4 45.0 47.5 50.2 52.3 53.3 52.6 49.9 45.6 41.8 47.4
Highest Mean Min. Temperature (F) 47.5 49.9 49.8 48.9 52.2 53.9 55.3 57.7 58.2 54.6 52.2 48.8 58.2
Year Highest Occurred 1995 1995 1978 1996 1997 1998 1984 1997 1984 1972 1997 1977 1984
Lowest Mean Min. Temperature (F) 35.7 36.2 39.1 40.6 41.2 46.0 48.2 49.5 48.2 45.1 39.6 35.3 35.3
Year Lowest Occurred 1993 1993 1977 1975 1991 1991 1989 1989 1989 1992 1992 1990 1990
Mean Precipitation (in.) 3.49 3.69 3.66 1.12 0.34 0.07 0.03 0.09 0.37 0.70 1.54 2.51 17.61
Highest Precipitation (in.) 11.78 11.28 18.29 3.77 2.46 0.77 0.40 1.60 2.72 2.01 5.31 6.98 18.29
Year Highest Occurred 1995 1998 1995 1978 1998 1995 1980 1976 1976 1996 1997 1996 1995
Lowest Precipitation (in.) 0.02 0.10 0.00 0.03 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Year Lowest Occurred 1976 1997 1997 1973 1999 1999 2000 2000 1996 1995 1992 1989 1997
Heating Degree Days (F) 404. 347. 345. 324. 306. 233. 196. 174. 174. 189. 276. 401. 3369.
Cooling Degree Days (F) 0. 0. 0. 0. 0. 0. 1. 8. 28. 11. 2. 0. 50.

Western Regional Climate Center, wrcc@dri.edu