SHELTER COVE AVIATION, CALIFORNIA

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 57.4 58.2 59.4 61.6 66.0 68.9 69.4 69.5 70.1 67.2 61.4 57.7 63.9
Highest Mean Max. Temperature (F) 61.6 62.6 63.7 65.3 71.2 76.5 76.0 76.4 77.3 71.0 66.6 62.3 77.3
Year Highest Occurred 1981 1977 1996 1981 1997 1985 1993 1984 1993 1993 1989 1997 1993
Lowest Mean Max. Temperature (F) 50.9 53.3 55.3 56.5 60.0 63.3 64.5 62.6 64.5 61.4 56.9 52.0 50.9
Year Lowest Occurred 1993 1989 1976 1975 1977 1982 1999 1986 1999 1986 1973 1972 1993
Mean Temperature (F) 51.3 51.9 52.6 53.9 57.1 59.5 60.3 60.8 61.1 59.3 54.9 51.7 56.2
Highest Mean Temperature (F) 53.9 55.3 56.5 57.7 61.5 64.7 64.5 64.8 66.2 62.4 58.2 55.1 66.2
Year Highest Occurred 1984 1977 1978 1992 1997 1985 1993 1984 1983 1991 1989 1995 1983
Lowest Mean Temperature (F) 47.3 46.9 48.5 49.5 52.9 54.6 57.9 57.0 57.4 56.2 50.5 46.3 46.3
Year Lowest Occurred 1993 1989 1976 1975 1977 1982 1999 1986 1974 1986 1985 1972 1972
Mean Min. Temperature (F) 45.1 45.6 45.7 46.1 48.2 50.0 51.2 52.0 52.1 51.3 48.3 45.7 48.4
Highest Mean Min. Temperature (F) 49.4 49.7 51.3 50.5 51.7 53.1 55.9 55.5 56.5 54.3 51.6 49.8 56.5
Year Highest Occurred 1998 1992 1993 1992 1997 1998 1995 1997 1997 1991 1997 1995 1997
Lowest Mean Min. Temperature (F) 41.3 40.3 41.6 42.4 44.5 45.9 47.5 48.1 49.1 47.3 43.8 39.3 39.3
Year Lowest Occurred 1972 1990 1976 1975 1982 1982 1981 1980 1994 1971 1985 1990 1990
Mean Precipitation (in.) 10.29 9.35 8.78 4.16 2.62 1.00 0.18 0.60 1.39 4.14 8.55 10.41 61.47
Highest Precipitation (in.) 28.76 18.68 19.36 8.85 10.73 3.73 2.38 8.79 8.04 9.34 23.99 28.59 28.76
Year Highest Occurred 1995 1986 1975 1995 1990 1988 1983 1983 1977 1975 1973 1983 1995
Lowest Precipitation (in.) 1.14 0.20 1.23 0.92 0.00 0.00 0.00 0.00 0.00 0.00 1.40 0.97 0.00
Year Lowest Occurred 1985 1988 1988 1973 1982 1996 2000 2000 1994 1978 1990 1989 1982
Heating Degree Days (F) 427. 372. 369. 334. 248. 174. 155. 152. 152. 186. 305. 412. 3286.
Cooling Degree Days (F) 0. 0. 0. 0. 3. 9. 16. 21. 35. 8. 0. 0. 92.

Western Regional Climate Center, wrcc@dri.edu