SALMON KSRA, IDAHO

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 28.4 37.0 49.7 59.9 69.1 77.9 87.3 85.5 74.9 60.3 40.7 29.2 58.3
Highest Mean Max. Temperature (F) 36.5 44.1 57.8 70.0 76.7 87.1 92.0 92.1 83.9 68.9 46.8 38.5 92.1
Year Highest Occurred 1990 1995 1992 1987 1992 1974 1985 1981 1979 1988 1999 1979 1981
Lowest Mean Max. Temperature (F) 12.6 25.3 40.9 51.8 62.9 68.3 74.3 76.9 65.5 55.5 29.7 19.8 12.6
Year Lowest Occurred 1979 1989 1985 1975 1996 1998 1993 1993 1986 1984 2000 1983 1979
Mean Temperature (F) 18.9 26.1 37.2 45.9 54.3 62.0 69.1 67.0 57.7 45.3 30.9 20.3 44.6
Highest Mean Temperature (F) 27.9 32.6 43.0 51.6 59.2 67.6 73.4 71.4 62.6 51.0 37.3 29.5 73.4
Year Highest Occurred 1990 1995 1992 1987 1992 1988 1985 1981 1979 1988 1998 1979 1985
Lowest Mean Temperature (F) 1.0 14.8 28.0 39.8 51.1 57.4 60.3 61.7 53.1 41.6 21.4 11.2 1.0
Year Lowest Occurred 1979 1989 1985 1975 1975 1998 1993 1993 1986 1984 2000 1985 1979
Mean Min. Temperature (F) 9.3 15.2 24.7 31.8 39.5 46.1 50.9 48.5 40.4 30.2 21.0 11.4 30.8
Highest Mean Min. Temperature (F) 19.4 21.7 28.2 36.7 43.0 50.6 54.8 53.4 46.4 33.1 29.5 20.8 54.8
Year Highest Occurred 1999 1974 1992 2000 1994 1988 1975 1983 1998 2000 1998 1980 1975
Lowest Mean Min. Temperature (F) -10.6 3.6 15.2 26.9 36.2 42.9 46.2 44.6 36.6 26.7 13.1 1.2 -10.6
Year Lowest Occurred 1979 1985 1985 1982 1982 1978 1993 1987 1971 1987 2000 1985 1979
Mean Precipitation (in.) 0.68 0.49 0.54 0.79 1.42 1.42 1.03 0.82 0.77 0.65 0.73 0.78 10.12
Highest Precipitation (in.) 1.52 1.85 1.41 2.54 3.65 3.19 2.50 2.15 2.48 2.35 1.96 2.74 3.65
Year Highest Occurred 1971 1986 1974 1971 1980 1995 1977 1983 1986 2000 1991 1977 1980
Lowest Precipitation (in.) 0.07 0.02 0.12 0.09 0.45 0.18 0.00 0.10 0.00 0.00 0.04 0.06 0.00
Year Lowest Occurred 1992 1990 2000 1987 1983 1985 1999 2000 1979 1987 1982 1976 1999
Heating Degree Days (F) 1429. 1090. 861. 574. 335. 140. 34. 50. 238. 613. 1025. 1387. 7776.
Cooling Degree Days (F) 0. 0. 0. 0. 3. 50. 161. 113. 17. 0. 0. 0. 344.

Western Regional Climate Center, wrcc@dri.edu