IDAHO CITY, IDAHO

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 34.9 41.0 48.0 57.3 66.8 76.1 85.8 85.6 75.4 62.8 43.8 34.8 59.4
Highest Mean Max. Temperature (F) 41.1 49.8 58.5 68.1 75.9 83.2 92.0 91.6 84.4 74.3 53.5 41.2 92.0
Year Highest Occurred 1981 1991 1992 1987 1992 1986 1985 1981 1990 1988 1981 1976 1985
Lowest Mean Max. Temperature (F) 27.7 33.7 42.7 47.6 58.7 70.3 74.4 76.3 64.3 55.9 34.2 27.1 27.1
Year Lowest Occurred 1979 1989 1976 1975 1977 1993 1993 1976 1986 1984 1985 1990 1990
Mean Temperature (F) 23.6 28.0 35.0 42.5 50.7 58.2 65.1 64.3 55.1 44.8 32.1 23.7 43.6
Highest Mean Temperature (F) 29.4 36.1 41.9 48.0 55.5 63.3 70.6 68.1 62.0 52.5 38.9 28.7 70.6
Year Highest Occurred 1981 1992 1992 1987 1992 1986 1985 1971 1990 1988 1981 1977 1985
Lowest Mean Temperature (F) 14.0 19.1 27.9 36.0 45.0 54.5 56.5 58.8 49.6 40.5 23.6 13.7 13.7
Year Lowest Occurred 1979 1989 1976 1982 1977 1976 1993 1976 1985 1985 1985 1990 1990
Mean Min. Temperature (F) 12.2 15.0 21.9 27.6 34.6 40.2 44.4 43.0 34.8 26.8 20.4 12.6 27.8
Highest Mean Min. Temperature (F) 19.7 23.6 26.7 30.9 38.0 43.7 49.1 47.6 43.3 30.7 26.6 19.7 49.1
Year Highest Occurred 1978 1992 1983 1978 1993 1988 1985 1983 1998 1988 1998 1977 1985
Lowest Mean Min. Temperature (F) 0.3 4.2 13.1 20.1 31.1 36.6 38.6 38.8 30.1 23.3 10.3 0.2 0.2
Year Lowest Occurred 1979 1985 1976 1982 1999 1976 1993 1985 1984 1976 1993 1990 1990
Mean Precipitation (in.) 3.44 2.77 2.44 1.87 1.88 1.33 0.67 0.51 1.16 1.45 3.08 3.51 24.11
Highest Precipitation (in.) 7.06 9.15 5.40 4.88 7.31 4.04 2.30 2.16 4.30 4.00 6.94 11.61 11.61
Year Highest Occurred 1972 1986 1983 1990 1998 1995 1983 1976 1986 2000 1988 1996 1996
Lowest Precipitation (in.) 0.16 0.47 0.18 0.30 0.05 0.02 0.00 0.00 0.00 0.00 0.07 0.13 0.00
Year Lowest Occurred 1985 1991 1994 1977 1992 1989 1999 2000 1999 1988 1976 1976 1999
Heating Degree Days (F) 1284. 1037. 932. 676. 443. 221. 92. 105. 311. 626. 987. 1281. 7995.
Cooling Degree Days (F) 0. 0. 0. 0. 0. 15. 96. 81. 15. 0. 0. 0. 207.

Western Regional Climate Center, wrcc@dri.edu