GLENNVILLE, CALIFORNIA

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 55.7 57.4 59.1 65.1 73.3 82.7 88.8 87.9 82.3 72.7 61.2 56.0 70.2
Highest Mean Max. Temperature (F) 63.4 67.0 67.2 73.3 80.2 88.7 92.5 91.6 87.2 80.0 69.8 64.4 92.5
Year Highest Occurred 1986 1991 1972 1987 1984 1985 1985 1996 1974 1988 1995 1980 1985
Lowest Mean Max. Temperature (F) 49.0 49.5 50.2 56.0 61.7 74.2 83.4 81.5 73.9 62.7 54.5 45.7 45.7
Year Lowest Occurred 1973 1998 1973 1975 1998 1998 1987 1976 1986 1972 1994 1971 1971
Mean Temperature (F) 41.8 43.9 45.8 49.7 56.1 63.4 69.2 68.5 63.9 55.4 46.1 41.5 53.8
Highest Mean Temperature (F) 48.2 49.3 51.0 55.6 61.9 67.7 72.8 72.0 68.0 60.0 52.0 46.3 72.8
Year Highest Occurred 1986 1995 1978 1989 1992 2000 1996 1998 1991 1988 1995 1980 1996
Lowest Mean Temperature (F) 37.4 39.6 39.3 42.8 49.8 58.6 64.7 63.2 57.2 49.8 40.5 35.6 35.6
Year Lowest Occurred 1973 1990 1973 1975 1977 1980 1987 1976 1986 1972 1994 1971 1971
Mean Min. Temperature (F) 27.9 30.4 32.5 34.3 38.9 44.0 49.5 49.0 45.4 38.0 30.9 26.9 37.3
Highest Mean Min. Temperature (F) 36.0 36.4 40.1 38.9 44.0 49.0 54.5 52.5 49.9 42.8 36.4 33.2 54.5
Year Highest Occurred 1995 2000 1978 1989 1997 2000 1984 1998 1997 1987 1996 1983 1984
Lowest Mean Min. Temperature (F) 22.4 25.4 25.3 29.3 35.7 38.5 43.3 44.3 40.2 31.5 26.4 20.7 20.7
Year Lowest Occurred 1972 1971 1977 1971 1977 1980 1983 1985 1972 1971 1994 1990 1990
Mean Precipitation (in.) 3.88 3.54 3.72 1.62 0.73 0.14 0.05 0.16 0.53 0.92 2.13 2.51 19.93
Highest Precipitation (in.) 11.12 12.28 9.89 3.88 4.93 1.50 0.54 1.91 6.39 3.22 7.36 7.01 12.28
Year Highest Occurred 1980 1998 1991 1978 1998 1998 1992 1983 1976 1974 1983 1996 1998
Lowest Precipitation (in.) 0.04 0.12 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Year Lowest Occurred 1984 1988 1972 1997 1997 1997 2000 1999 1996 1999 1995 1989 1972
Heating Degree Days (F) 720. 591. 580. 459. 289. 99. 20. 28. 103. 311. 568. 730. 4498.
Cooling Degree Days (F) 0. 0. 0. 0. 13. 50. 148. 136. 69. 11. 0. 0. 427.

Western Regional Climate Center, wrcc@dri.edu