Mean annual precipitation ranges from 35 to 50 inches, the mean annual temperature ranges from 50 to 58 degrees F., and the frost-free season ranges from 140 to 200 days. These are the Clarksburg , Duffield , Edom , Frankstown , Frederick , Hagerstown , Hublersburg , Millheim , Ryder , and Washington series. Clarksburg soils lack low chroma mottles within 18 inches of the surface. Soils of all the other series listed lack fragipans. Somewhat poorly drained.
Surface runoff is slow to medium and permeability is slow.
About 90 percent is cleared and used for general crops or pasture. Wooded areas are in mixed hardwoods of oak and hickory. The series is of moderate extent. Pennsylvania has about 15,000 acres. Franklin County, Pennsylvania, 1971.