F. Mean annual precipitation ranges from about 26 to 36 inches. These are the Canisteo , Drummer , Klossner , Okoboji , Wacousta , and Webster soils. All of these except the Canisteo soils are noncalcareous, and all except the Drummer soils are at lower elevations or in depressions. Okoboji soils have finer texture, and Klossner soils have organic material over loamy material. Runoff is slow.
Permeability is moderate.
Soil saturation occurs as high as the surface during periods of March through May in most years in an undrained condition. Commonly used for cultivated crops when drained. Corn and soybeans are generally grown. Native vegetation is prairie grasses tolerant of wetness. This soil is extensive.