IDYLLWILD FIRE DEPT, CALIFORNIA

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 53.9 55.2 56.1 62.2 69.7 79.4 85.2 83.8 79.0 70.8 60.4 54.6 67.5
Highest Mean Max. Temperature (F) 62.8 65.0 68.5 72.4 79.5 86.5 88.8 90.1 84.6 78.7 67.4 61.8 70.5
Year Highest Occurred 1961 1961 1972 1962 1984 1981 1972 1969 1979 1964 1977 1981 1961
Lowest Mean Max. Temperature (F) 45.6 47.1 45.8 49.5 59.3 72.4 78.8 79.0 68.6 62.9 54.2 44.8 65.0
Year Lowest Occurred 1979 1962 1973 1967 1977 1965 1987 1989 1986 1972 1985 1971 1987
Mean Temperature (F) 40.8 41.7 42.6 47.4 53.7 62.1 68.6 67.5 62.6 54.8 46.1 41.2 52.4
Highest Mean Temperature (F) 47.9 47.3 52.3 55.2 62.0 69.4 71.8 71.7 68.3 60.8 51.6 48.9 55.3
Year Highest Occurred 1986 1961 1972 1962 1984 1981 1961 1981 1979 1988 1977 1977 1981
Lowest Mean Temperature (F) 35.5 34.7 36.0 36.3 46.3 55.0 63.5 62.5 55.0 49.3 41.1 33.9 50.0
Year Lowest Occurred 1963 1966 1973 1967 1977 1965 1987 1968 1986 1972 1972 1971 1965
Mean Min. Temperature (F) 27.7 28.1 29.0 32.5 37.7 44.8 51.9 51.2 46.1 38.7 31.7 27.8 37.3
Highest Mean Min. Temperature (F) 34.2 33.3 36.0 40.1 44.4 52.2 55.2 56.8 51.9 46.1 36.2 37.4 40.4
Year Highest Occurred 1986 1970 1972 1989 1984 1981 1985 1986 1979 1988 1976 1977 1981
Lowest Mean Min. Temperature (F) 19.9 18.8 22.2 23.0 33.3 37.6 45.5 44.5 36.0 31.4 25.4 22.5 32.8
Year Lowest Occurred 1966 1966 1969 1967 1977 1965 1966 1968 1965 1966 1964 1970 1966
Mean Precipitation (in.) 4.41 4.13 4.28 2.02 0.76 0.13 0.79 0.96 1.09 0.87 2.90 3.87 26.21
Highest Precipitation (in.) 17.61 17.43 11.42 7.54 4.77 2.14 2.47 3.86 8.31 4.39 13.59 18.05 56.87
Year Highest Occurred 1969 1980 1983 1965 1977 1972 1968 1983 1976 1987 1965 1966 1983
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 0.27 10.84
Year Lowest Occurred 1984 1967 1972 1989 1986 1989 1989 1985 1980 1988 1980 1963 1961
Heating Degree Days (F) 750. 652. 694. 535. 358. 145. 20. 35. 138. 325. 567. 738. 4957.
Cooling Degree Days (F) 0. 0. 0. 7. 7. 58. 132. 112. 66. 9. 0. 0. 391.

Western Regional Climate Center, wrcc@dri.edu