MCCALL, IDAHO

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 31.1 36.8 42.3 51.4 61.5 71.1 80.8 80.3 69.8 57.9 40.9 31.7 54.6
Highest Mean Max. Temperature (F) 36.3 45.6 49.3 63.7 68.9 79.3 86.8 88.2 79.1 69.8 49.4 39.6 58.1
Year Highest Occurred 1990 1963 1978 1987 1966 1961 1985 1967 1990 1988 1976 1989 1987
Lowest Mean Max. Temperature (F) 22.8 31.7 36.0 42.7 55.1 66.2 75.1 72.5 60.3 51.3 30.8 25.0 51.8
Year Lowest Occurred 1979 1985 1964 1975 1977 1971 1982 1976 1986 1984 1985 1978 1982
Mean Temperature (F) 21.7 25.7 30.8 38.8 47.5 55.7 62.3 61.0 52.1 42.8 31.8 23.4 41.1
Highest Mean Temperature (F) 28.4 35.3 37.5 46.3 51.8 62.1 65.8 67.9 59.6 48.3 36.2 28.9 43.3
Year Highest Occurred 1990 1963 1986 1987 1987 1961 1961 1961 1963 1988 1976 1989 1963
Lowest Mean Temperature (F) 11.0 18.3 24.2 31.4 43.8 51.2 56.7 56.2 45.3 37.7 23.5 14.8 38.5
Year Lowest Occurred 1979 1985 1964 1975 1975 1975 1986 1975 1986 1984 1985 1990 1985
Mean Min. Temperature (F) 12.2 14.5 19.2 26.2 33.4 40.1 43.6 41.8 34.3 27.8 22.7 15.0 27.6
Highest Mean Min. Temperature (F) 20.5 26.0 26.0 31.7 38.3 44.8 50.3 53.4 45.0 35.3 26.5 21.4 32.2
Year Highest Occurred 1990 1961 1986 1990 1963 1961 1963 1963 1963 1963 1962 1977 1963
Lowest Mean Min. Temperature (F) -0.9 4.8 10.4 20.0 29.7 35.4 37.5 35.2 27.7 20.3 15.7 4.1 24.0
Year Lowest Occurred 1979 1985 1976 1975 1975 1975 1986 1988 1988 1987 1979 1990 1985
Mean Precipitation (in.) 3.79 2.79 2.63 1.97 2.08 2.07 0.81 1.15 1.72 1.91 3.18 3.54 27.64
Highest Precipitation (in.) 8.45 5.65 5.07 4.19 4.53 5.57 2.43 3.30 5.24 6.45 9.25 8.75 36.70
Year Highest Occurred 1965 1986 1974 1978 1990 1964 1976 1975 1985 1962 1973 1964 1982
Lowest Precipitation (in.) 0.41 0.62 0.32 0.28 0.52 0.59 0.00 0.00 0.01 0.00 0.36 0.31 18.23
Year Lowest Occurred 1985 1964 1965 1977 1966 1979 1969 1970 1987 1987 1976 1989 1987
Heating Degree Days (F) 1342. 1100. 1060. 786. 543. 286. 113. 174. 394. 688. 996. 1290. 8772.
Cooling Degree Days (F) 0. 0. 0. 0. 0. 7. 29. 50. 7. 0. 0. 0. 93.

Western Regional Climate Center, wrcc@dri.edu