The mean annual temperature varies from 52 to 57 degrees F, and the mean annual precipitation varies from 19 to 27 inches. Thornthwaite Annual P-E Index ranges from 32 to 46. These are the competing Crete , Holdrege , and Spearville soils and the Ness , Penden , and Uly soils. Crete and Spearville soils are on more level ridgetops. Holdrege soils are on steeper slopes.
Ness soils are more clayey and are in depressions.
Penden and Uly soils lack argillic horizons and are on steeper lower slopes. Runoff is slow or medium. Permeability is moderately slow. Native vegetation is mixed short, mid, and tall grasses. The series is of large extent.