BLISS 4 NW, IDAHO

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 35.9 43.1 53.7 62.8 71.8 81.6 90.1 89.1 78.8 66.2 48.0 37.2 63.2
Highest Mean Max. Temperature (F) 43.2 55.2 62.8 72.2 80.7 88.7 94.9 94.8 85.6 77.1 58.2 48.3 94.9
Year Highest Occurred 1998 1991 1992 1987 1992 1986 1989 1998 1990 1988 1999 1995 1989
Lowest Mean Max. Temperature (F) 25.3 30.7 43.2 52.7 64.9 74.3 80.1 82.4 67.7 60.0 35.9 22.5 22.5
Year Lowest Occurred 1979 1985 1985 1975 1977 1998 1993 1976 1985 1984 1985 1985 1985
Mean Temperature (F) 27.2 33.0 41.1 48.7 56.9 65.4 72.2 70.7 61.5 50.3 37.0 28.4 49.4
Highest Mean Temperature (F) 34.7 41.6 46.9 54.1 62.9 70.8 75.7 75.1 68.5 59.7 44.1 38.9 75.7
Year Highest Occurred 1998 1992 1986 1990 1992 1986 1998 1998 1998 1988 1999 1995 1998
Lowest Mean Temperature (F) 16.9 21.3 32.2 41.7 52.8 60.0 64.4 66.9 52.9 44.8 25.8 12.5 12.5
Year Lowest Occurred 1979 1985 1985 1975 1977 1998 1993 1976 1985 1985 1985 1985 1985
Mean Min. Temperature (F) 18.4 22.8 28.4 34.5 41.9 49.2 54.3 52.3 44.2 34.4 25.9 19.5 35.5
Highest Mean Min. Temperature (F) 27.7 29.3 34.3 39.4 46.5 53.3 58.8 56.7 52.4 42.2 31.2 29.5 58.8
Year Highest Occurred 1978 1995 1989 1990 1993 1977 1975 1983 1998 1988 1972 1995 1975
Lowest Mean Min. Temperature (F) 7.5 11.8 20.9 30.4 38.3 44.6 48.6 47.1 37.3 27.1 15.6 2.5 2.5
Year Lowest Occurred 1985 1985 1976 1982 1982 1995 1993 1996 1971 1985 1985 1985 1985
Mean Precipitation (in.) 1.49 1.12 1.01 0.76 0.80 0.54 0.25 0.27 0.53 0.69 1.43 1.22 10.11
Highest Precipitation (in.) 3.37 3.82 3.03 1.52 2.33 2.62 0.90 1.45 2.05 2.49 4.43 3.25 4.43
Year Highest Occurred 1972 1986 1993 1990 1990 1993 1982 1976 1985 1975 1983 1981 1983
Lowest Precipitation (in.) 0.12 0.00 0.00 0.23 0.00 0.04 0.00 0.00 0.00 0.00 0.03 0.00 0.00
Year Lowest Occurred 1992 1997 1997 1989 1997 1996 1996 1996 1993 1988 1976 1976 1997
Heating Degree Days (F) 1173. 897. 743. 491. 267. 90. 14. 21. 168. 459. 841. 1136. 6300.
Cooling Degree Days (F) 0. 0. 0. 0. 13. 101. 237. 196. 63. 3. 0. 0. 613.

Western Regional Climate Center, wrcc@dri.edu