GARDEN VALLEY R S, IDAHO

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 34.7 42.1 50.7 61.2 71.9 81.1 91.0 89.7 78.9 65.1 45.2 34.4 62.2
Highest Mean Max. Temperature (F) 41.9 51.8 59.1 73.2 80.3 92.8 96.2 97.0 88.3 77.0 53.2 40.5 65.4
Year Highest Occurred 1981 1963 1986 1987 1966 1961 1961 1961 1990 1988 1976 1981 1987
Lowest Mean Max. Temperature (F) 28.0 35.8 43.5 48.9 66.9 74.4 84.1 80.9 69.1 58.3 39.0 27.0 59.4
Year Lowest Occurred 1979 1989 1971 1967 1977 1964 1983 1976 1986 1970 1985 1990 1984
Mean Temperature (F) 25.8 31.0 38.1 45.8 54.4 62.6 69.2 67.9 58.8 48.2 35.6 26.3 47.0
Highest Mean Temperature (F) 33.7 38.6 43.6 52.4 58.4 68.4 73.5 74.5 66.4 53.9 41.8 33.3 48.7
Year Highest Occurred 1967 1963 1978 1987 1987 1961 1967 1971 1967 1988 1966 1966 1973
Lowest Mean Temperature (F) 16.3 20.2 32.5 38.3 51.1 59.0 63.9 63.1 52.4 43.4 28.5 16.1 43.7
Year Lowest Occurred 1979 1989 1976 1967 1982 1984 1986 1985 1985 1985 1985 1990 1985
Mean Min. Temperature (F) 16.9 19.8 25.4 30.3 37.0 44.1 47.3 46.1 38.7 31.1 26.0 18.2 31.7
Highest Mean Min. Temperature (F) 28.2 28.3 31.9 34.3 41.1 50.4 52.8 52.9 46.0 39.4 34.7 27.6 35.2
Year Highest Occurred 1967 1961 1983 1990 1971 1988 1967 1971 1967 1963 1966 1966 1973
Lowest Mean Min. Temperature (F) 4.6 4.5 18.7 24.0 31.4 38.8 39.2 39.6 33.4 26.5 18.0 5.2 26.8
Year Lowest Occurred 1979 1989 1976 1982 1982 1966 1966 1985 1988 1976 1985 1990 1985
Mean Precipitation (in.) 3.67 2.30 2.15 1.65 1.43 1.47 0.54 0.67 1.18 1.40 3.17 3.41 23.04
Highest Precipitation (in.) 10.82 6.54 5.24 5.62 3.54 3.58 2.30 3.71 4.53 4.18 7.64 11.52 36.34
Year Highest Occurred 1970 1986 1974 1990 1980 1964 1982 1968 1986 1962 1988 1964 1982
Lowest Precipitation (in.) 0.29 0.15 0.56 0.31 0.13 0.18 0.00 0.00 0.00 0.00 0.00 0.39 15.15
Year Lowest Occurred 1985 1967 1969 1977 1974 1961 1979 1969 1987 1988 1976 1976 1966
Heating Degree Days (F) 1215. 952. 834. 576. 329. 121. 29. 63. 229. 521. 882. 1200. 6951.
Cooling Degree Days (F) 0. 0. 0. 0. 0. 49. 160. 153. 43. 0. 0. 0. 405.

Western Regional Climate Center, wrcc@dri.edu