Location Max previously known Agnes Max Year Height Flow(cfs) Height Flow(cfs) ------------------------------------------------------------------------ Potomac River Sheperdstown, WV 1936 42.1 335,000 31.58 187,000 Point of Rocks, MD 1936 41.03 480,000 37.43 347,000 Washington, DC 1936 28.1 484,000 22.03 359,000 (NOTE: Washington site was moved during period of records, gage height reflects old location) Conococheague Creek Fairview, MD 1889 16.5 22,000 24.5 32,400 Opequon Creek Martinsburg, WV 1970 15.81 14,000 17.45 19,000 Antietam Crek Sharpsburg, MD 1956 16.73 12,600 14.30 9,880 Monocacy River Frederick, MD 1889 30 56,000 35.9 81,600 Goose Creek Leesburg, VA 1889 29 45,000 30.59 78,100 Rock Creek Washington, DC 1956 13.19 7,220 16.2 12,500