TWIN FALLS KMVT, IDAHO

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 36.6 43.3 52.3 61.0 69.8 79.1 87.9 86.7 76.6 64.7 48.2 37.9 62.0
Highest Mean Max. Temperature (F) 45.2 54.7 61.4 71.2 78.3 85.9 93.0 91.6 84.2 73.8 58.9 44.0 93.0
Year Highest Occurred 1998 1992 1992 1987 1992 1974 1998 1971 1990 1988 1999 1980 1998
Lowest Mean Max. Temperature (F) 26.8 31.7 42.5 51.2 64.1 73.3 77.5 80.6 68.1 58.7 37.0 24.0 24.0
Year Lowest Occurred 1979 1985 1985 1975 1977 1993 1993 1976 1985 1984 1985 1985 1985
Mean Temperature (F) 28.2 33.2 40.7 47.9 56.3 64.9 72.2 70.4 60.7 50.1 37.7 29.0 49.3
Highest Mean Temperature (F) 36.6 41.2 47.3 53.7 63.0 71.3 76.9 74.3 67.5 57.4 45.4 35.4 76.9
Year Highest Occurred 1998 1992 1992 1990 1992 1986 1998 1971 1990 1988 1999 1977 1998
Lowest Mean Temperature (F) 17.8 22.9 32.6 40.5 51.8 60.8 64.7 65.7 54.9 46.1 27.4 14.4 14.4
Year Lowest Occurred 1979 1985 1985 1975 1975 1984 1993 1976 1985 1971 1985 1985 1985
Mean Min. Temperature (F) 19.7 23.1 29.1 34.7 42.7 50.6 56.5 54.1 44.8 35.5 27.2 20.0 36.5
Highest Mean Min. Temperature (F) 27.9 30.6 33.2 40.4 47.8 56.8 60.8 58.9 52.9 41.0 33.0 28.0 60.8
Year Highest Occurred 1998 2000 1992 1990 1987 1986 1998 1983 1998 1988 1983 1977 1998
Lowest Mean Min. Temperature (F) 8.8 14.0 21.6 29.8 38.2 47.0 51.9 49.4 40.1 31.7 17.8 4.7 4.7
Year Lowest Occurred 1979 1985 1976 1975 1975 1976 1993 1974 1971 1976 1985 1985 1985
Mean Precipitation (in.) 1.07 0.75 1.03 0.83 1.04 0.77 0.22 0.33 0.45 0.75 1.12 1.06 9.42
Highest Precipitation (in.) 2.51 3.47 2.60 2.17 3.09 2.57 0.68 1.84 1.43 1.89 3.39 3.74 3.74
Year Highest Occurred 1980 1986 1993 1978 1998 1995 1985 1983 1985 1975 1988 1996 1996
Lowest Precipitation (in.) 0.08 0.08 0.06 0.06 0.05 0.03 0.00 0.00 0.00 0.00 0.03 0.01 0.00
Year Lowest Occurred 1992 1990 1992 1985 1992 2000 2000 1992 1987 1988 1993 1976 2000
Heating Degree Days (F) 1142. 891. 753. 515. 286. 99. 14. 27. 172. 463. 820. 1118. 6300.
Cooling Degree Days (F) 0. 0. 0. 1. 14. 95. 238. 194. 44. 1. 0. 0. 587.

Western Regional Climate Center, wrcc@dri.edu