KUNA 2 NNE, IDAHO

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 36.7 45.6 55.7 64.4 72.4 81.2 88.7 86.7 77.0 65.6 49.6 38.0 63.5
Highest Mean Max. Temperature (F) 43.7 53.9 61.6 75.1 78.5 88.4 94.2 91.7 85.7 76.1 54.5 43.6 67.2
Year Highest Occurred 1967 1963 1986 1987 1987 1986 1985 1971 1990 1988 1965 1979 1987
Lowest Mean Max. Temperature (F) 25.5 33.5 50.2 55.9 67.3 75.3 84.9 79.8 69.4 58.7 37.5 20.8 59.9
Year Lowest Occurred 1979 1989 1964 1975 1977 1964 1983 1968 1985 1969 1985 1985 1985
Mean Temperature (F) 28.3 35.4 42.4 49.1 56.7 64.9 70.6 69.1 60.2 50.4 39.2 29.5 49.7
Highest Mean Temperature (F) 36.0 42.2 48.4 55.3 61.2 69.8 75.4 73.6 67.1 57.2 43.8 36.2 51.6
Year Highest Occurred 1967 1963 1986 1987 1987 1988 1985 1961 1990 1988 1965 1973 1987
Lowest Mean Temperature (F) 15.9 23.2 37.3 43.6 53.2 61.4 67.6 65.6 54.4 45.0 28.1 11.4 45.7
Year Lowest Occurred 1979 1989 1976 1975 1977 1984 1963 1976 1985 1969 1985 1985 1985
Mean Min. Temperature (F) 19.9 25.1 29.1 33.8 41.0 48.5 52.5 51.5 43.4 35.1 28.7 20.9 35.8
Highest Mean Min. Temperature (F) 28.8 32.2 35.9 38.8 44.9 52.5 57.7 57.3 51.4 42.1 34.6 28.9 37.8
Year Highest Occurred 1970 1986 1983 1980 1980 1977 1975 1961 1963 1963 1983 1973 1983
Lowest Mean Min. Temperature (F) 6.2 12.8 20.4 29.8 38.0 44.8 49.3 47.0 39.0 31.3 18.7 2.0 31.5
Year Lowest Occurred 1979 1989 1965 1970 1974 1976 1986 1987 1970 1969 1985 1985 1985
Mean Precipitation (in.) 1.14 0.79 0.92 1.03 1.04 0.79 0.27 0.46 0.63 0.66 1.28 1.09 10.10
Highest Precipitation (in.) 3.22 3.13 2.27 2.48 3.61 1.97 1.65 2.57 1.84 2.00 3.73 3.16 14.62
Year Highest Occurred 1970 1986 1981 1965 1980 1971 1975 1968 1986 1982 1988 1983 1981
Lowest Precipitation (in.) 0.19 0.04 0.00 0.07 0.14 0.08 0.00 0.00 0.00 0.00 0.12 0.03 4.33
Year Lowest Occurred 1968 1965 1963 1961 1971 1966 1988 1985 1987 1988 1976 1976 1966
Heating Degree Days (F) 1138. 829. 701. 477. 260. 84. 8. 29. 185. 453. 774. 1101. 6039.
Cooling Degree Days (F) 0. 0. 0. 0. 0. 81. 182. 156. 41. 0. 0. 0. 460.

Western Regional Climate Center, wrcc@dri.edu