GRACE, IDAHO

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 31.1 36.5 45.5 56.5 66.1 76.2 85.0 84.9 74.9 61.6 43.1 33.0 57.9
Highest Mean Max. Temperature (F) 36.5 48.5 54.6 66.5 73.9 83.8 90.7 89.3 81.0 70.1 55.0 42.0 90.7
Year Highest Occurred 1981 1995 1986 1977 1992 1988 2000 2000 1979 1988 1999 1995 2000
Lowest Mean Max. Temperature (F) 20.8 30.1 36.4 45.7 59.7 68.4 75.2 77.6 66.2 54.8 33.0 25.3 20.8
Year Lowest Occurred 1979 1989 1985 1975 1991 1993 1993 1993 1986 1984 1991 1990 1979
Mean Temperature (F) 21.2 25.1 33.8 42.7 51.2 59.3 66.3 65.6 56.5 45.6 32.0 22.7 43.5
Highest Mean Temperature (F) 27.9 36.1 41.6 48.2 56.7 65.5 70.5 69.0 62.1 51.9 40.0 31.2 70.5
Year Highest Occurred 1998 1995 1986 1987 1992 1988 1998 1971 1990 1988 1999 1995 1998
Lowest Mean Temperature (F) 9.2 16.3 23.7 35.0 46.7 54.1 57.8 59.8 51.3 40.3 25.0 12.8 9.2
Year Lowest Occurred 1979 1985 1976 1975 1975 1993 1993 1993 1986 1984 2000 1990 1979
Mean Min. Temperature (F) 11.3 13.7 22.0 28.9 36.2 42.4 47.5 46.2 38.0 29.5 20.9 12.4 29.1
Highest Mean Min. Temperature (F) 19.3 23.6 28.6 33.1 39.4 47.3 51.4 51.4 43.8 33.7 27.1 22.5 51.4
Year Highest Occurred 1998 1995 1986 1992 1992 1977 1998 1983 1998 1988 1998 1977 1998
Lowest Mean Min. Temperature (F) -2.5 2.2 10.3 24.3 31.6 39.8 40.4 42.1 34.6 24.2 12.1 0.2 -2.5
Year Lowest Occurred 1979 1985 1976 1975 1975 1993 1993 1993 1993 1976 1993 1990 1979
Mean Precipitation (in.) 1.27 1.12 1.43 1.38 2.18 1.31 1.10 1.22 1.32 1.36 1.14 1.14 15.97
Highest Precipitation (in.) 3.48 4.41 3.00 3.68 5.66 2.70 2.81 3.36 4.19 3.04 3.41 3.58 5.66
Year Highest Occurred 1980 1986 1982 1986 1980 1997 1984 1977 1973 1981 1983 1983 1980
Lowest Precipitation (in.) 0.23 0.20 0.44 0.15 0.35 0.00 0.11 0.07 0.00 0.00 0.00 0.06 0.00
Year Lowest Occurred 1977 1991 1994 1977 1973 1978 1978 1996 1974 1988 1976 1989 1978
Heating Degree Days (F) 1358. 1118. 970. 669. 430. 193. 64. 73. 268. 603. 990. 1310. 8046.
Cooling Degree Days (F) 0. 0. 0. 0. 0. 22. 102. 89. 11. 0. 0. 0. 224.

Western Regional Climate Center, wrcc@dri.edu