The climate is characterized by warm, dry summers and cool, moist winters. The average annual precipitation ranges from 12 to 25 inches. The frost-free season is about 100 to 125 days. These are the Bridgeson , Konner , Narcisse , Peone , Poween , Ralsen , and Saltese soils and the competing Colville . Bridgeson, Konner, Narcisse, Poween, and Ralsen soils are not ashy and lack a histic epipedon.
Saltese soils are organic soils.
Peone soils lack a mollic epipedon and have an irregular decrease in organic carbon. Most of these soils are drained and cropped. Small grains, hay and pasture are the principal crops. Some areas are used for range. The series is small in extent.