MLRA 110 - Northern Illinois and Indiana Heavy Till Plain Illinois, Indiana, and Wisconsin 26,350 km2 (10,170 mi2)

Climate:
Average annual precipitation 750 to 900 mm. About two-thirds of the precipitation falls during the freeze-free period. Precipitation in winter is snow. Average annual temperature 9 to 11 C. Average freeze-free period—About 160 days, but it is 180 days in a narrow belt along Lake Michigan.

12/16/98