The climate is characterized by hot, dry summers and cool, moist winters. Average annual precipitation is 8 to 12 inches. The frost-free period is 130 to 190 days. These are the Aeneas , Beverly , Cashmere , Cashmont , Ewall , Pogue , Quincy , and Strat soils. Aeneas, Cashmere, Cashmont, Pogue, and Strat soils have mollic epipedons.
Beverly soils have an irregular decrease in organic carbon with depth.
Ewall and Quincy soils have less than 15 percent rock fragments in the particle-size control section, and also lack a mollic epipedon. Irrigated orchards, irrigated hay and pasture, livestock grazing, and wildlife habitat are principal uses. Native vegetation is bluebunch wheatgrass, needleandthread, Sandberg bluegrass, antelope bitterbrush, big sagebrush, hood phlox, snow eriogonum, silky lupine, and gray rabbitbrush. North central Washington. The Skaha series is of moderate extent.