Mean annual temperature ranges from 49 to 57 degrees F, and mean annual precipitation ranges from 32 to 42 inches. These are the fine textured Armstrong , Gosport , Grundy , Lagonda , and Winnegan soils and the fine-silty textured Knox and Wakenda soils. The Grundy, Knox, and Wakenda soils are on upland ridges above the Newcomer soils. The Armstrong, Gosport, Lagonda, and Winnegan soils are on similar positions. Runoff is medium or rapid.
Permeability is moderate.
Primarily used for pasture and hay crops. Some areas are used for growing corn, soybeans, and small grains and some areas are in deciduous forest. Native vegetation is mixed prairie grass and hardwood forest. Newcomer soils are extensive in north-central Missouri. Saline County, Missouri, 1991.