MLRA 61 - Black Hills Foot Slopes South Dakota and Wyoming 8,400 km2 (3,240 mi2)

Climate:
Average annual precipitation 375 to 450 mm. Most of the precipitation falls during the growing season. Average snowfall in winter is 60 to 100 cm. Average annual temperature 6 to 9 C. Average frost-free period -110 to 140 days.

12/16/98