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MLRA 104 - Eastern Iowa and Minnesota Till Prairies

Iowa and Minnesota
22,640 km2 (8,740 mi2)

Climate:
Average annual precipitation 700 to 850 mm. More than two-thirds of the precipitation falls during the growing season. Precipitation in winter is mainly snow. Average annual temperature 6 to 9 C. Average freeze-free period—140 to 160 days.


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12/16/98