PARKER RESERVOIR, CALIFORNIA

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 64.2 70.2 75.7 83.9 93.0 103.0 107.6 105.8 99.9 88.6 74.4 64.5 85.9
Highest Mean Max. Temperature (F) 71.6 75.5 87.3 93.6 100.8 107.9 110.5 110.5 106.1 95.5 80.8 73.1 88.1
Year Highest Occurred 1986 1963 1972 1989 1984 1974 1980 1969 1979 1964 1967 1980 1989
Lowest Mean Max. Temperature (F) 55.4 64.3 67.9 75.4 85.3 96.3 104.4 102.3 92.5 81.1 68.8 58.7 84.1
Year Lowest Occurred 1979 1966 1973 1975 1977 1965 1986 1968 1986 1984 1972 1978 1982
Mean Temperature (F) 53.4 58.7 63.9 71.5 80.2 89.8 95.4 93.7 87.5 76.2 63.0 53.9 73.9
Highest Mean Temperature (F) 59.7 63.5 73.6 80.1 87.1 94.4 97.5 98.6 93.4 82.6 68.5 60.1 76.0
Year Highest Occurred 1986 1963 1972 1989 1984 1981 1972 1969 1979 1988 1967 1980 1981
Lowest Mean Temperature (F) 47.2 53.7 57.6 63.8 73.9 83.7 91.0 90.8 80.6 69.9 58.3 49.0 72.3
Year Lowest Occurred 1979 1966 1973 1975 1977 1965 1986 1979 1986 1984 1972 1978 1982
Mean Min. Temperature (F) 42.5 47.0 52.1 59.0 67.4 76.6 83.1 81.6 75.1 63.9 51.5 43.2 61.9
Highest Mean Min. Temperature (F) 47.8 52.2 59.9 66.5 73.4 81.5 86.0 86.6 80.6 69.9 56.2 49.0 63.8
Year Highest Occurred 1986 1968 1972 1989 1984 1981 1970 1969 1979 1988 1967 1977 1981
Lowest Mean Min. Temperature (F) 38.4 42.1 46.9 52.1 62.4 71.1 77.5 78.4 68.7 58.7 47.6 37.9 60.6
Year Lowest Occurred 1964 1979 1977 1975 1977 1965 1986 1979 1986 1984 1979 1990 1982
Mean Precipitation (in.) 0.77 0.61 0.58 0.22 0.09 0.05 0.34 0.63 0.55 0.46 0.53 0.62 5.45
Highest Precipitation (in.) 5.54 3.18 2.15 1.75 0.55 1.30 1.94 3.41 2.16 3.26 2.08 4.20 13.67
Year Highest Occurred 1980 1978 1973 1965 1982 1972 1980 1983 1983 1978 1965 1984 1978
Lowest Precipitation (in.) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1.70
Year Lowest Occurred 1984 1989 1984 1989 1989 1989 1987 1985 1988 1990 1989 1990 1964
Heating Degree Days (F) 364. 190. 130. 44. 0. 0. 0. 0. 0. 11. 114. 351. 1204.
Cooling Degree Days (F) 0. 13. 96. 239. 471. 744. 942. 890. 675. 358. 54. 7. 4489.

Western Regional Climate Center, wrcc@dri.edu