STANLEY, IDAHO

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 27.0 33.9 42.3 49.7 59.0 68.1 77.8 77.6 68.4 56.3 37.8 26.0 52.0
Highest Mean Max. Temperature (F) 32.9 42.5 50.8 60.2 68.5 75.1 83.3 83.3 76.6 66.8 47.3 34.0 83.3
Year Highest Occurred 1998 1977 1992 1987 1992 1977 1985 1981 1990 1988 1976 1979 1985
Lowest Mean Max. Temperature (F) 17.9 27.1 34.8 39.0 53.0 62.5 67.6 70.8 58.1 49.5 29.8 17.6 17.6
Year Lowest Occurred 1979 1993 1971 1975 1975 1975 1993 1976 1986 1984 1994 1983 1983
Mean Temperature (F) 12.7 16.7 25.4 34.5 43.7 51.2 57.2 56.1 48.1 39.1 25.2 12.5 35.2
Highest Mean Temperature (F) 19.8 26.2 32.8 40.9 48.0 56.6 61.2 59.9 53.7 44.8 31.6 21.8 61.2
Year Highest Occurred 1998 1986 1992 1987 1993 1977 1985 1983 1990 1988 1999 1980 1985
Lowest Mean Temperature (F) 1.8 5.8 17.9 26.3 39.7 47.6 49.4 52.4 43.6 34.8 16.1 3.8 1.8
Year Lowest Occurred 1979 1985 1985 1982 1975 1975 1993 1980 1971 1984 2000 1990 1979
Mean Min. Temperature (F) -1.7 -0.6 8.5 19.2 28.4 34.2 36.6 34.6 27.7 21.8 12.6 -1.0 18.4
Highest Mean Min. Temperature (F) 7.6 15.5 14.8 24.3 33.0 38.7 41.2 42.4 33.9 26.8 20.5 11.6 42.4
Year Highest Occurred 1990 1986 1981 1978 1980 1972 1975 1983 1998 1983 1998 1980 1983
Lowest Mean Min. Temperature (F) -14.4 -16.2 -4.4 9.3 25.6 29.5 31.3 29.8 22.9 16.7 1.8 -12.1 -16.2
Year Lowest Occurred 1979 1985 1985 1982 1982 2000 1993 1988 1993 1987 2000 1990 1985
Mean Precipitation (in.) 1.66 1.54 1.19 1.07 1.24 1.20 0.73 0.76 0.88 1.14 1.55 2.03 14.99
Highest Precipitation (in.) 4.67 6.76 3.33 3.37 2.65 2.94 2.21 2.68 3.10 3.99 4.56 6.39 6.76
Year Highest Occurred 1980 1986 1989 1992 1996 1993 1982 1983 1986 1975 1995 1996 1986
Lowest Precipitation (in.) 0.17 0.24 0.00 0.00 0.00 0.11 0.00 0.00 0.00 0.00 0.00 0.19 0.00
Year Lowest Occurred 1984 1977 1999 1998 1997 1989 2000 2000 1999 1999 1982 1997 1999
Heating Degree Days (F) 1626. 1355. 1228. 917. 660. 417. 250. 280. 509. 804. 1194. 1630. 10870.
Cooling Degree Days (F) 0. 0. 0. 0. 0. 0. 7. 4. 0. 0. 0. 0. 11.

Western Regional Climate Center, wrcc@dri.edu