MLRA 58D - Northern Rolling High Plains, Eastern Part North Dakota and South Dakota 10,000 km2 (3,860 mi2)

Climate:
Average annual precipitation 325 to 375 mm in most of the area, but it fluctuates widely from year to year. Maximum precipitation is in spring and early in summer. Precipitation in winter is snow. Average annual temperature 4 to 7 C. Average freeze-free period-120 to 130 days.

12/16/98