DORCHESTER, IOWA

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.) 0.93 0.85 1.96 4.00 3.76 4.71 4.37 4.74 3.45 2.41 2.26 1.31 34.75
Highest Precipitation (in.) 2.82 2.50 3.46 7.83 7.24 11.45 9.32 13.03 9.45 4.77 5.77 3.73 13.03
Year Highest Occurred 1971 1983 1976 1999 1973 2000 1972 1980 1985 1982 1991 1982 1980
Lowest Precipitation (in.) 0.00 0.00 0.00 1.61 1.20 0.66 0.82 0.65 0.37 0.43 0.00 0.00 0.00
Year Lowest Occurred 1986 1995 1994 2000 1994 1988 1996 1971 2000 1987 1976 1990 1986
Heating Degree Days (F)
Cooling Degree Days (F)

Western Regional Climate Center, wrcc@dri.edu