precipitation amounts fell through Delaware, including at the National Arboretum in Washington, D.C. Rivers across the region rose above flood stage, including the James River which crested at in Columbia, Virginia, which was above flood stage. High amounts of rainfall accrued in eastern Pennsylvania, peaking at in Pecks Pond in the northeast portion of the state. As with Virginia, the heaviest rainfall occurred due to orographic lift near a mountain. In neighboring New Jersey, the highest precipitation was near Sussex. Rainfall in New York peaked at in Lake Mohonk. In Virginia, severe flooding occurred near Richmond and along the Blue Ridge Mountains. Near the coast, Diane damaged large areas of farmlands due to slow-moving floods. In the state, 21 gauges reported their highest levels on record. High levels along the Potomac River flooded low-lying portions of Virginia and Washington, D.C. Wind gusts reached in Roanoke. In the state, flooding covered several roads, prompting closures. Due to the flat terrain, flooding in Delaware was described by the United States Geological Survey as "comparably mild". Flooding along the Brandywine Creek was at least the fifth highest in 45 years. Flooding was worst in the northernmost portion of the state. Flooding began in many streams in eastern Pennsylvania on August 18. The Delaware River crested at over in Easton, which was above the previous record set in 1903. In Allentown, the Lehigh River crested at , surpassing the previous record of set in 1942. The floods were the worst in record across eastern portions of the state, notably in the Poconos and along all tributaries of the Delaware River from Honesdale to Philadelphia. Lake Wallenpaupack and other reservoirs mitigated flooding. Floods destroyed 17 bridges and of track along the Delaware, Lackawanna and Western Railroad, which is the primary rail line in northeastern Pennsylvania. Damage to the line totaled several million dollars, and overall railroad damage in the state totaled $16 million. Hundreds of cars were damaged in the region. Damage extended into Philadelphia due to flooding along the Schuylkill River, but the damage was minor. In the small village of Upper Black Eddy, hundreds of people became homeless, and the post office was washed away. Statewide, the floods destroyed or breached 30 dams, and destroyed about 150 road of rail bridges. Flooding left home and factory damage in the Allentown area. In the Poconos in Pennsylvania, the Brodhead Creek nearly destroyed a camp,