Mean annual temperature ranges from 45 to 53 degrees F, and mean annual precipitation ranges from 28 to 32 inches. These are the Miami , McHenry , and Dodge soils. Puchyan soils are on gently sloping or sloping areas in the upland near the well drained Miami, McHenry, and Dodge soils. These soils are in areas where there is a silty mantle. Well drained and moderately well drained.
Surface runoff is medium or slow, depending on amount of slope.
Permeability is moderately rapid in the sandy mantle and moderate in the underlying deposit. Most of these soils now are under cultivation and are used for field corn, alfalfa, and oats, as well as for canning crops of snap beans, peas, and sweet corn. The native vegetation was mostly black oak, bur oak, and hickory. The Puchyan soils are of small extent. Columbia County, Wisconsin, 1972.