MLRA 58B - Northern Rolling High Plains, Southern Part
Montana and Wyoming
50,810 km2 (19,620 mi2)
Climate:
Average annual precipitation-300 to 475 mm in most of the area but it fluctuates widely from year to year. Maximum precipitation is in spring and early in autumn. Precipitation in winter is snow. Average annual temperature 7 to 9 C. Average freeze-free period-100 to 130 days.