CLOVERDALE 3 S, CALIFORNIA

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 56.3 60.5 64.9 72.4 80.7 88.7 93.4 91.9 87.1 77.8 63.5 55.9 74.4
Highest Mean Max. Temperature (F) 60.8 67.8 72.8 80.9 88.9 94.0 98.1 98.0 94.8 84.4 71.1 62.0 98.1
Year Highest Occurred 1984 1988 1988 1987 1992 1981 1996 1992 1984 1999 1986 1999 1996
Lowest Mean Max. Temperature (F) 53.0 55.5 58.4 64.9 70.4 81.5 89.7 85.1 79.3 70.8 54.2 48.9 48.9
Year Lowest Occurred 1973 1979 1991 1975 1977 1998 1987 1976 1986 1972 1994 1972 1972
Mean Temperature (F) 47.6 51.0 54.1 59.2 65.2 71.1 74.0 72.9 70.4 63.7 53.5 47.0 60.8
Highest Mean Temperature (F) 50.8 55.6 59.3 64.4 70.8 75.6 77.3 77.9 75.4 67.8 59.5 50.3 77.9
Year Highest Occurred 1986 1991 1993 1987 1997 1981 1997 1998 1984 1993 1995 1981 1998
Lowest Mean Temperature (F) 44.5 47.3 49.7 52.4 57.6 66.8 71.8 69.1 64.5 58.2 46.3 41.7 41.7
Year Lowest Occurred 1972 1979 1991 1975 1977 1982 1987 1976 1986 1984 1994 1972 1972
Mean Min. Temperature (F) 38.9 41.5 43.2 45.9 49.7 53.5 54.6 53.9 53.7 49.5 43.5 38.1 47.2
Highest Mean Min. Temperature (F) 43.7 46.3 49.1 51.5 55.5 60.4 60.1 58.2 59.5 56.1 48.9 43.9 60.4
Year Highest Occurred 1978 1986 1993 1990 1994 1997 1997 1998 1995 1993 1995 1981 1997
Lowest Mean Min. Temperature (F) 34.6 37.3 37.3 39.9 44.8 49.4 51.6 49.2 49.7 42.9 38.4 33.2 33.2
Year Lowest Occurred 1972 1989 1976 1975 1977 1972 1981 1973 1986 1971 1994 1990 1990
Mean Precipitation (in.) 8.65 7.89 6.52 2.36 1.13 0.12 0.06 0.15 0.60 2.20 5.79 6.59 42.06
Highest Precipitation (in.) 31.25 24.04 20.76 6.55 6.05 0.59 1.35 1.49 3.31 6.43 19.67 20.31 31.25
Year Highest Occurred 1995 1998 1983 1982 1998 1997 1974 1983 1977 1979 1973 1996 1995
Lowest Precipitation (in.) 0.53 0.33 0.16 0.15 0.00 0.00 0.00 0.00 0.00 0.00 0.19 0.00 0.00
Year Lowest Occurred 1976 1971 1988 1977 1976 1999 2000 2000 1995 1995 1986 1989 1976
Heating Degree Days (F) 539. 392. 348. 206. 95. 12. 0. 4. 20. 117. 349. 557. 2639.
Cooling Degree Days (F) 0. 0. 8. 31. 102. 194. 280. 249. 183. 75. 5. 0. 1127.

Western Regional Climate Center, wrcc@dri.edu