Mean annual precipitation is 16 to 20 inches. The mean annual temperature is 36 degrees to 43 degrees F. Frost-free season is about 50 to 70 days. These are the competing Rammel soils and the Dranyon, Mikesell , and Ridgecrest soils. Dranyon soils are noncalcareous and have a mollic epipedon thicker than 16 inches. Mikesell soils have an albic horizon and have more than 35 percent clay in the Bt horizon.
Ridgecrest soils are calcareous throughout, and lack an argillic horizon.
Vegetation is bluebunch wheatgrass, Idaho fescue, Sandberg bluegrass, big sagebrush, bitterbrush, snowberry, chokecherry, serviceberry, balsamroot, Oregon grape, and wild sunflower. The soils are moderately extensive. Teton County, Idaho, 1975.