EAST PARK RESERVOIR, CALIFORNIA

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 55.4 58.6 62.1 68.6 77.3 86.3 92.9 92.1 87.0 77.1 62.9 56.1 73.0
Highest Mean Max. Temperature (F) 61.2 66.8 68.9 76.7 85.8 91.7 98.2 96.8 93.2 85.0 72.0 63.1 98.2
Year Highest Occurred 1984 1988 1972 1987 1992 1977 1988 1996 1974 1991 1995 1976 1988
Lowest Mean Max. Temperature (F) 47.7 52.1 54.8 60.4 63.6 79.1 87.6 83.9 79.6 70.7 54.6 47.6 47.6
Year Lowest Occurred 1982 1998 1991 1975 1998 1980 1983 1976 1986 1984 1994 1972 1972
Mean Temperature (F) 43.5 46.7 49.7 54.5 61.9 70.0 76.0 74.6 69.4 60.5 49.7 43.6 58.3
Highest Mean Temperature (F) 47.8 51.6 54.0 59.3 67.3 75.0 80.9 77.2 73.5 65.7 55.5 48.4 80.9
Year Highest Occurred 1984 1991 1972 1977 1992 1977 1988 1996 1991 1991 1995 1983 1988
Lowest Mean Temperature (F) 37.9 43.6 44.9 48.3 54.5 64.2 69.8 69.2 63.9 55.8 43.1 37.4 37.4
Year Lowest Occurred 1982 1994 1982 1975 1998 1980 1983 1976 1986 1982 1994 1972 1972
Mean Min. Temperature (F) 31.6 34.7 37.3 40.3 46.5 53.6 59.0 57.0 51.7 43.9 36.5 31.1 43.6
Highest Mean Min. Temperature (F) 40.2 38.6 43.2 43.4 51.1 58.3 63.6 61.1 55.0 48.4 43.2 38.6 63.6
Year Highest Occurred 1995 1995 1993 1977 1973 1977 1988 1990 1975 1987 1983 1983 1988
Lowest Mean Min. Temperature (F) 26.8 30.3 31.0 36.2 41.5 49.3 52.0 54.1 48.2 39.1 31.3 25.1 25.1
Year Lowest Occurred 1985 1985 1985 1975 1982 1980 1983 2000 1986 1982 1978 1978 1978
Mean Precipitation (in.) 4.88 4.28 3.21 0.99 0.69 0.28 0.06 0.10 0.28 1.06 2.61 3.26 21.70
Highest Precipitation (in.) 19.61 18.86 10.13 4.14 4.06 1.20 0.53 0.67 3.28 3.03 9.00 10.84 19.61
Year Highest Occurred 1995 1998 1995 1983 1998 1992 1974 1997 1989 1989 1983 1983 1995
Lowest Precipitation (in.) 0.17 0.01 0.05 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Year Lowest Occurred 1976 1971 1988 1977 1999 1994 2000 2000 1999 1995 1995 1989 1977
Heating Degree Days (F) 666. 514. 474. 322. 160. 25. 3. 1. 29. 180. 461. 663. 3498.
Cooling Degree Days (F) 0. 0. 0. 6. 64. 173. 341. 297. 159. 41. 1. 0. 1082.

Western Regional Climate Center, wrcc@dri.edu