The mean annual temperature ranges from 50 to 57 degrees F, and the mean annual precipitation ranges from 17 to 28 inches. Thornthwaite annual PE index ranges from 30 to 52. These are the competing Roxbury , Hord , and Detroit soils on similar topography, and the Humbarger and McCook soils on lower areas. The competing Bridgeport soils are associated on adjacent fans on flood plains in some areas. Runoff is medium to slow.
Permeability is moderate.
Ground water table is below 6 feet except during periods of high stream flow. Native vegetation is tall and mid prairie grasses with few to many deciduous trees. The series is of moderate extent. Lane County, Kansas, 1970.