GRAND VIEW 2 W, IDAHO

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 39.5 48.6 58.4 67.3 76.2 85.1 93.2 91.4 80.7 68.2 51.9 40.0 66.7
Highest Mean Max. Temperature (F) 47.1 55.3 64.2 76.6 82.5 96.5 99.5 97.5 90.4 76.0 56.7 46.5 69.1
Year Highest Occurred 1967 1963 1978 1987 1966 1961 1961 1967 1979 1988 1965 1977 1966
Lowest Mean Max. Temperature (F) 29.6 36.9 53.1 59.4 69.7 78.2 86.5 82.9 69.4 62.3 38.5 22.2 62.3
Year Lowest Occurred 1979 1989 1985 1967 1977 1964 1986 1968 1985 1969 1985 1985 1985
Mean Temperature (F) 29.9 36.8 43.9 51.5 60.0 68.4 74.7 72.4 62.2 51.4 39.9 30.2 51.8
Highest Mean Temperature (F) 37.7 43.2 50.5 58.6 64.0 77.3 79.3 78.6 67.9 57.7 44.1 37.4 53.9
Year Highest Occurred 1978 1986 1986 1987 1987 1961 1985 1961 1990 1988 1981 1977 1981
Lowest Mean Temperature (F) 17.2 26.9 38.2 45.4 54.4 64.1 70.8 66.4 55.5 46.2 29.1 14.9 47.8
Year Lowest Occurred 1979 1989 1976 1967 1977 1984 1986 1968 1985 1969 1985 1985 1985
Mean Min. Temperature (F) 20.2 24.9 29.4 35.7 43.7 51.6 56.1 53.4 43.7 34.5 27.9 20.2 36.8
Highest Mean Min. Temperature (F) 29.2 34.3 37.0 43.7 50.1 58.0 61.5 59.7 50.8 39.8 34.0 28.2 39.5
Year Highest Occurred 1978 1986 1986 1990 1987 1961 1975 1961 1990 1963 1983 1977 1986
Lowest Mean Min. Temperature (F) 4.8 16.8 21.7 30.7 39.0 47.0 51.3 48.5 38.8 28.2 19.7 6.0 32.9
Year Lowest Occurred 1979 1989 1965 1968 1977 1979 1979 1979 1979 1978 1985 1990 1979
Mean Precipitation (in.) 0.68 0.53 0.69 0.64 0.73 0.79 0.21 0.31 0.59 0.47 0.87 0.63 7.14
Highest Precipitation (in.) 1.67 2.09 2.17 1.49 2.58 2.32 1.05 2.16 2.41 1.97 1.73 1.78 13.62
Year Highest Occurred 1970 1986 1974 1981 1990 1971 1975 1968 1985 1975 1981 1983 1983
Lowest Precipitation (in.) 0.10 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.07 0.00 3.72
Year Lowest Occurred 1966 1964 1965 1989 1978 1989 1989 1985 1990 1988 1976 1989 1966
Heating Degree Days (F) 1088. 790. 654. 411. 170. 52. 0. 18. 144. 422. 753. 1079. 5581.
Cooling Degree Days (F) 0. 0. 0. 6. 15. 154. 304. 247. 60. 0. 0. 0. 786.

Western Regional Climate Center, wrcc@dri.edu