LOWMAN, IDAHO

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 32.7 39.5 48.2 57.8 66.6 75.4 84.9 84.7 75.1 61.8 41.3 31.8 58.3
Highest Mean Max. Temperature (F) 36.9 47.5 58.7 69.3 76.7 81.7 90.8 89.5 83.1 72.6 51.5 36.9 90.8
Year Highest Occurred 1981 1977 1992 1987 1992 1988 1985 1986 1990 1988 1999 1979 1985
Lowest Mean Max. Temperature (F) 27.2 33.6 41.8 46.8 59.6 70.2 74.4 76.7 64.8 55.1 34.1 25.6 25.6
Year Lowest Occurred 1979 1982 1971 1975 1977 1984 1993 1976 1986 1984 1994 1990 1990
Mean Temperature (F) 23.6 28.7 36.2 43.9 51.5 58.5 64.5 63.5 55.2 45.3 32.7 23.1 43.9
Highest Mean Temperature (F) 29.8 34.6 42.3 48.6 55.5 63.0 69.5 67.9 61.0 50.1 39.4 28.5 69.5
Year Highest Occurred 1978 1992 1992 1987 1992 1988 1975 1983 1998 1988 1999 1977 1975
Lowest Mean Temperature (F) 16.3 21.3 29.7 36.6 48.1 55.3 56.4 59.2 50.4 41.8 25.7 14.0 14.0
Year Lowest Occurred 1979 1985 1976 1975 1999 1993 1993 1980 1971 1984 1994 1990 1990
Mean Min. Temperature (F) 14.4 17.8 24.1 30.0 36.3 41.5 44.1 42.2 35.3 28.7 24.0 14.4 29.4
Highest Mean Min. Temperature (F) 23.4 25.1 29.2 33.3 38.4 47.0 50.2 50.6 41.8 33.9 29.6 22.9 50.6
Year Highest Occurred 1978 1978 1983 1978 1994 1977 1975 1983 1998 1975 1983 1977 1983
Lowest Mean Min. Temperature (F) 4.8 7.4 17.6 25.6 32.6 38.6 38.3 34.7 28.3 20.3 11.5 2.4 2.4
Year Lowest Occurred 1985 1989 1976 1982 1999 1994 1993 1987 1988 1987 1993 1990 1990
Mean Precipitation (in.) 3.57 3.11 2.50 2.18 2.03 1.50 0.68 0.67 1.25 1.57 3.35 3.67 26.08
Highest Precipitation (in.) 6.38 9.72 5.33 6.24 4.83 3.70 2.32 2.46 4.70 3.59 7.47 11.84 11.84
Year Highest Occurred 1997 1986 1989 1990 1998 1982 1983 1983 1985 1985 1988 1996 1996
Lowest Precipitation (in.) 0.30 0.61 0.33 0.05 0.07 0.18 0.00 0.00 0.00 0.00 0.08 0.00 0.00
Year Lowest Occurred 1985 1991 1994 1977 1992 1996 1999 2000 1999 1987 1976 1999 1999
Heating Degree Days (F) 1285. 1019. 894. 633. 421. 211. 90. 103. 302. 613. 971. 1298. 7840.
Cooling Degree Days (F) 0. 0. 0. 0. 0. 13. 75. 55. 8. 0. 0. 0. 151.

Western Regional Climate Center, wrcc@dri.edu