Mean annual temperature ranges from about 45 to 52 degrees F, and mean annual precipitation ranges from about 28 to 32 inches. These are the competing Ames and Le Sueur soils and the Dundas , Hayden , and Lester soils. Ames and Dundas soils are more strongly gleyed and occur in flat to slightly depressed areas. Le Sueur soils are on similar landscapes. Lester and Hayden soils are on more convex sloping areas that are generally downslope from Luther soils.
Permeability is moderately slow in the subsoil and moderate in the substratum.
Many areas are used for cultivated crops. Corn, soybeans, small grains, and legume hays are grown. Some areas are in pasture or trees. North central Iowa and possibly adjoining states.