FAIRFIELD, CALIFORNIA

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 54.7 61.2 65.6 71.4 78.1 84.7 88.8 88.7 86.3 78.3 64.8 55.6 73.2
Highest Mean Max. Temperature (F) 60.5 67.1 71.5 76.8 84.6 93.7 93.8 93.9 93.9 83.8 72.5 61.0 93.9
Year Highest Occurred 1976 1988 1997 1985 1997 1981 1996 1998 1984 1978 1995 1999 1984
Lowest Mean Max. Temperature (F) 49.0 56.3 58.5 65.5 67.7 78.4 82.0 83.5 80.6 73.8 57.3 48.5 48.5
Year Lowest Occurred 1972 1998 1991 1975 1998 1998 1987 1991 1986 1972 1982 1985 1985
Mean Temperature (F) 46.1 51.1 54.8 58.9 64.4 69.4 72.6 72.6 70.4 64.1 53.9 46.3 60.4
Highest Mean Temperature (F) 50.9 55.2 58.7 62.8 70.3 74.5 76.7 76.3 74.3 68.9 60.1 51.5 76.7
Year Highest Occurred 1995 1991 1978 1992 1997 1981 1996 1998 1984 1991 1995 1995 1996
Lowest Mean Temperature (F) 39.3 47.2 49.9 53.7 58.2 65.6 68.4 68.6 63.6 60.1 48.7 38.8 38.8
Year Lowest Occurred 1985 1989 1985 1975 1998 1980 1987 1980 1986 1984 1994 1985 1985
Mean Min. Temperature (F) 37.5 40.9 43.9 46.3 50.6 54.1 56.4 56.5 54.5 49.9 42.9 36.9 47.5
Highest Mean Min. Temperature (F) 46.5 46.0 49.4 50.8 55.9 57.2 59.5 59.9 58.1 54.5 47.7 43.5 59.9
Year Highest Occurred 1995 1996 1978 1990 1997 1997 1996 1990 1997 1992 1997 1995 1990
Lowest Mean Min. Temperature (F) 29.6 36.4 36.9 40.3 45.3 49.7 54.1 52.3 46.6 43.2 36.2 29.1 29.1
Year Lowest Occurred 1985 1985 1985 1986 1985 1986 1982 1980 1986 1985 1980 1985 1985
Mean Precipitation (in.) 5.04 4.57 3.59 1.12 0.64 0.16 0.03 0.05 0.30 1.24 3.08 3.64 23.46
Highest Precipitation (in.) 12.47 14.71 10.89 5.05 3.29 1.83 0.60 0.66 1.37 4.60 7.20 11.67 14.71
Year Highest Occurred 1995 1998 1983 1982 1998 1995 1974 1976 1989 1972 1973 1996 1998
Lowest Precipitation (in.) 0.30 0.14 0.14 0.06 0.00 0.00 0.00 0.00 0.00 0.00 0.08 0.00 0.00
Year Lowest Occurred 1984 1995 1994 1985 1992 1999 2000 2000 1997 1995 1995 1989 1992
Heating Degree Days (F) 586. 390. 321. 201. 99. 18. 1. 2. 14. 95. 340. 582. 2649.
Cooling Degree Days (F) 0. 0. 4. 16. 78. 151. 237. 239. 176. 68. 6. 0. 975.

Western Regional Climate Center, wrcc@dri.edu