ASHTON 2S, SOUTH DAKOTA

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F)
Highest Mean Max. Temperature (F)
Year Highest Occurred
Lowest Mean Max. Temperature (F)
Year Lowest Occurred
Mean Temperature (F)
Highest Mean Temperature (F)
Year Highest Occurred
Lowest Mean Temperature (F)
Year Lowest Occurred
Mean Min. Temperature (F)
Highest Mean Min. Temperature (F)
Year Highest Occurred
Lowest Mean Min. Temperature (F)
Year Lowest Occurred
Mean Precipitation (in.) 0.42 0.52 1.22 1.93 2.88 3.31 3.00 2.46 1.94 1.62 0.72 0.39 20.41
Highest Precipitation (in.) 2.11 1.83 5.20 6.78 8.73 7.77 9.33 5.86 5.43 6.54 2.67 1.08 9.33
Year Highest Occurred 1997 1977 1977 1986 1991 1984 1993 1984 1996 1998 1977 1972 1993
Lowest Precipitation (in.) 0.00 0.02 0.02 0.11 0.50 0.81 0.11 0.23 0.00 0.05 0.00 0.00 0.00
Year Lowest Occurred 1991 1981 1971 1996 1992 1987 1975 1972 1998 1992 1999 1997 1991
Heating Degree Days (F)
Cooling Degree Days (F)

Western Regional Climate Center, wrcc@dri.edu