GARDEN VALLEY R S, IDAHO

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 34.3 41.4 51.2 61.0 70.3 79.2 88.4 88.3 78.1 64.7 43.8 33.6 61.2
Highest Mean Max. Temperature (F) 41.0 50.7 62.5 72.1 79.5 86.8 94.0 94.2 85.6 75.4 51.8 40.1 94.2
Year Highest Occurred 1981 1991 1992 1987 1992 1974 1985 1971 1990 1988 1976 1989 1971
Lowest Mean Max. Temperature (F) 27.1 32.7 42.6 51.6 65.5 73.0 77.9 79.1 67.4 57.7 36.9 26.7 26.7
Year Lowest Occurred 1979 1989 1971 1975 1977 1984 1993 1976 1986 1984 1994 1990 1990
Mean Temperature (F) 25.9 30.9 38.8 46.2 53.9 61.3 67.7 66.8 58.0 47.5 34.4 25.9 46.4
Highest Mean Temperature (F) 32.3 37.9 45.3 51.8 58.9 66.3 72.3 73.5 65.4 53.1 39.6 31.7 73.5
Year Highest Occurred 1981 1991 1992 1987 1992 1988 1975 1971 1998 1988 1999 1977 1971
Lowest Mean Temperature (F) 15.8 20.9 32.0 39.6 50.4 56.3 59.8 62.1 51.5 42.6 27.8 16.6 15.8
Year Lowest Occurred 1979 1989 1976 1982 1982 1991 1993 1980 1985 1985 1985 1985 1979
Mean Min. Temperature (F) 17.4 20.3 26.3 31.4 37.4 43.4 47.0 45.2 37.8 30.3 25.0 18.1 31.6
Highest Mean Min. Temperature (F) 25.9 27.1 31.9 34.5 41.1 50.4 51.7 52.9 46.7 35.3 31.5 26.5 52.9
Year Highest Occurred 1998 1992 1983 1994 1994 1988 1971 1971 1998 1975 1995 1973 1971
Lowest Mean Min. Temperature (F) 4.6 6.4 18.7 24.0 31.4 38.4 41.7 39.6 33.4 25.3 14.5 5.3 4.6
Year Lowest Occurred 1979 1982 1976 1982 1982 1991 1993 1985 1988 1991 1993 1985 1979
Mean Precipitation (in.) 3.82 2.77 2.45 1.77 1.74 1.40 0.64 0.49 1.18 1.46 3.44 3.87 25.03
Highest Precipitation (in.) 7.81 6.68 5.24 4.45 6.86 3.24 2.30 2.34 4.53 3.46 7.07 15.73 15.73
Year Highest Occurred 1997 1999 1974 1993 1998 1993 1982 1976 1986 1979 1973 1996 1996
Lowest Precipitation (in.) 0.29 0.67 0.20 0.31 0.03 0.20 0.00 0.00 0.00 0.00 0.00 0.39 0.00
Year Lowest Occurred 1985 1977 1994 1977 1992 1994 2000 2000 1999 1988 1976 1976 2000
Heating Degree Days (F) 1214. 957. 814. 564. 348. 150. 55. 65. 238. 544. 919. 1215. 7083.
Cooling Degree Days (F) 0. 0. 0. 0. 2. 38. 139. 119. 27. 0. 0. 0. 325.

Western Regional Climate Center, wrcc@dri.edu