Average annual precipitation ranges from 16 to 20 inches. Average summer temperature is 53 to 57 degrees F, and average annual temperature is 35 to 42 degrees F. Frost-free period is 30 to 60 days. These are the Parkay , Resoot , Zeale , and Zeebar series. Parkay, Resoot, and Zeebar soils have argillic horizons and are on mountains and foothills. Zeale soils have a mollic epipedon less than 16 inches thick and are on mountains, foothills, and fan terraces.
Vegetation is mainly mountain big sagebrush and Idaho fescue.
East central Idaho. These soils are not extensive. Custer County, Idaho, 1999.