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Hydrograph River at a Glance Download
Potomac River at Dam Number Five above Williamsport Stage (ft)Observed: 0.37 ft at 7:50PM Apr 20, 2024Observed: 0.37 ft at 8:00PM Apr 20, 2024Observed: 0.38 ft at 8:20PM Apr 20, 2024Observed: 0.38 ft at 8:30PM Apr 20, 2024Observed: 0.38 ft at 8:40PM Apr 20, 2024Observed: 0.38 ft at 8:50PM Apr 20, 2024Observed: 0.38 ft at 9:00PM Apr 20, 2024Observed: 0.37 ft at 9:10PM Apr 20, 2024Observed: 0.37 ft at 9:20PM Apr 20, 2024Observed: 0.37 ft at 9:30PM Apr 20, 2024Observed: 0.37 ft at 9:40PM Apr 20, 2024Observed: 0.37 ft at 9:50PM Apr 20, 2024Observed: 0.37 ft at 10:00PM Apr 20, 2024Observed: 0.38 ft at 10:10PM Apr 20, 2024Observed: 0.37 ft at 10:30PM Apr 20, 2024Observed: 0.37 ft at 10:40PM Apr 20, 2024Observed: 0.37 ft at 10:50PM Apr 20, 2024Observed: 0.38 ft at 11:00PM Apr 20, 2024Observed: 0.37 ft at 11:10PM Apr 20, 2024Observed: 0.37 ft at 11:20PM Apr 20, 2024Observed: 0.38 ft at 11:30PM Apr 20, 2024Observed: 0.37 ft at 11:40PM Apr 20, 2024Observed: 0.38 ft at 11:50PM Apr 20, 2024Observed: 0.38 ft at 12:00AM Apr 21, 2024Observed: 0.38 ft at 12:10AM Apr 21, 2024Observed: 0.37 ft at 12:20AM Apr 21, 2024Observed: 0.37 ft at 12:30AM Apr 21, 2024Observed: 0.37 ft at 12:40AM Apr 21, 2024Observed: 0.37 ft at 12:50AM Apr 21, 2024Observed: 0.37 ft at 1:00AM Apr 21, 2024Observed: 0.38 ft at 1:10AM Apr 21, 2024Observed: 0.38 ft at 1:30AM Apr 21, 2024Observed: 0.38 ft at 1:40AM Apr 21, 2024Observed: 0.38 ft at 1:50AM Apr 21, 2024Observed: 0.38 ft at 2:00AM Apr 21, 2024Observed: 0.37 ft at 2:10AM Apr 21, 2024Observed: 0.38 ft at 2:20AM Apr 21, 2024Observed: 0.38 ft at 2:40AM Apr 21, 2024Observed: 0.37 ft at 3:00AM Apr 21, 2024Observed: 0.37 ft at 3:10AM Apr 21, 2024Observed: 0.37 ft at 3:20AM Apr 21, 2024Observed: 0.37 ft at 3:30AM Apr 21, 2024Observed: 0.36 ft at 3:40AM Apr 21, 2024Observed: 0.36 ft at 3:50AM Apr 21, 2024Observed: 0.36 ft at 4:10AM Apr 21, 2024Observed: 0.36 ft at 5:10AM Apr 21, 2024Observed: 0.36 ft at 6:10AM Apr 21, 2024Observed: 0.36 ft at 7:10AM Apr 21, 2024Observed: 0.37 ft at 8:10AM Apr 21, 2024Observed: 0.37 ft at 9:10AM Apr 21, 2024Observed: 0.37 ft at 10:10AM Apr 21, 2024Observed: 0.37 ft at 10:30AM Apr 21, 2024Observed: 0.37 ft at 10:40AM Apr 21, 2024Observed: 0.37 ft at 10:50AM Apr 21, 2024Observed: 0.37 ft at 11:10AM Apr 21, 2024Observed: 0.37 ft at 11:20AM Apr 21, 2024Observed: 0.37 ft at 11:30AM Apr 21, 2024Observed: 0.37 ft at 11:40AM Apr 21, 2024Observed: 0.37 ft at 11:50AM Apr 21, 2024Observed: 0.37 ft at 12:00PM Apr 21, 2024Observed: 0.38 ft at 12:10PM Apr 21, 2024Observed: 0.38 ft at 12:20PM Apr 21, 2024Observed: 0.38 ft at 12:40PM Apr 21, 2024Observed: 0.38 ft at 1:00PM Apr 21, 2024Observed: 0.37 ft at 1:10PM Apr 21, 2024Observed: 0.38 ft at 1:40PM Apr 21, 2024Observed: 0.38 ft at 1:50PM Apr 21, 2024Observed: 0.38 ft at 2:00PM Apr 21, 2024Observed: 0.38 ft at 2:10PM Apr 21, 2024Observed: 0.38 ft at 2:20PM Apr 21, 2024Observed: 0.38 ft at 2:40PM Apr 21, 2024Observed: 0.38 ft at 3:00PM Apr 21, 2024Observed: 0.38 ft at 3:10PM Apr 21, 2024Observed: 0.37 ft at 3:30PM Apr 21, 2024Observed: 0.37 ft at 3:50PM Apr 21, 2024Observed: 0.37 ft at 4:00PM Apr 21, 2024Observed: 0.37 ft at 4:10PM Apr 21, 2024Observed: 0.37 ft at 4:20PM Apr 21, 2024Observed: 0.37 ft at 4:30PM Apr 21, 2024Observed: 0.37 ft at 4:40PM Apr 21, 2024Observed: 0.37 ft at 4:50PM Apr 21, 2024Observed: 0.37 ft at 5:00PM Apr 21, 2024Observed: 0.37 ft at 5:10PM Apr 21, 2024Observed: 0.37 ft at 5:20PM Apr 21, 2024Observed: 0.37 ft at 5:30PM Apr 21, 2024Observed: 0.37 ft at 5:40PM Apr 21, 2024Observed: 0.37 ft at 5:50PM Apr 21, 2024Observed: 0.37 ft at 6:00PM Apr 21, 2024Observed: 0.37 ft at 6:10PM Apr 21, 2024Observed: 0.37 ft at 6:20PM Apr 21, 2024Observed: 0.37 ft at 6:40PM Apr 21, 2024Observed: 0.37 ft at 6:50PM Apr 21, 2024Observed: 0.37 ft at 7:00PM Apr 21, 2024Observed: 0.37 ft at 7:10PM Apr 21, 2024Observed: 0.37 ft at 7:20PM Apr 21, 2024Observed: 0.37 ft at 7:30PM Apr 21, 2024Observed: 0.37 ft at 7:40PM Apr 21, 2024Observed: 0.37 ft at 7:50PM Apr 21, 2024Observed: 0.37 ft at 8:00PM Apr 21, 2024Observed: 0.37 ft at 8:30PM Apr 21, 2024Observed: 0.37 ft at 8:40PM Apr 21, 2024Observed: 0.37 ft at 8:50PM Apr 21, 2024Observed: 0.37 ft at 9:00PM Apr 21, 2024Observed: 0.37 ft at 9:10PM Apr 21, 2024Observed: 0.36 ft at 10:10PM Apr 21, 2024Observed: 0.36 ft at 11:10PM Apr 21, 2024Observed: 0.36 ft at 12:10AM Apr 22, 2024Observed: 0.36 ft at 1:10AM Apr 22, 2024Observed: 0.36 ft at 2:10AM Apr 22, 2024Observed: 0.36 ft at 4:10AM Apr 22, 2024Observed: 0.36 ft at 5:10AM Apr 22, 2024Observed: 0.36 ft at 6:10AM Apr 22, 2024Observed: 0.36 ft at 7:10AM Apr 22, 2024Observed: 0.38 ft at 9:10AM Apr 22, 2024Observed: 0.38 ft at 9:20AM Apr 22, 2024Observed: 0.38 ft at 9:30AM Apr 22, 2024Observed: 0.38 ft at 9:40AM Apr 22, 2024Observed: 0.38 ft at 9:50AM Apr 22, 2024Observed: 0.38 ft at 10:00AM Apr 22, 2024Observed: 0.38 ft at 10:20AM Apr 22, 2024Observed: 0.38 ft at 10:30AM Apr 22, 2024Observed: 0.38 ft at 10:40AM Apr 22, 2024Observed: 0.38 ft at 10:50AM Apr 22, 2024Observed: 0.38 ft at 11:00AM Apr 22, 2024Observed: 0.38 ft at 11:20AM Apr 22, 2024Observed: 0.38 ft at 11:30AM Apr 22, 2024Observed: 0.38 ft at 11:50AM Apr 22, 2024Observed: 0.38 ft at 12:00PM Apr 22, 2024Observed: 0.38 ft at 12:10PM Apr 22, 2024Observed: 0.38 ft at 12:20PM Apr 22, 2024Observed: 0.38 ft at 12:40PM Apr 22, 2024Observed: 0.38 ft at 12:50PM Apr 22, 2024Observed: 0.38 ft at 1:10PM Apr 22, 2024Observed: 0.38 ft at 1:30PM Apr 22, 2024Observed: 0.38 ft at 1:40PM Apr 22, 2024Observed: 0.37 ft at 1:50PM Apr 22, 2024Observed: 0.38 ft at 2:10PM Apr 22, 2024Observed: 0.37 ft at 2:20PM Apr 22, 2024Observed: 0.37 ft at 2:30PM Apr 22, 2024Observed: 0.37 ft at 2:40PM Apr 22, 2024Observed: 0.37 ft at 2:50PM Apr 22, 2024Observed: 0.37 ft at 3:00PM Apr 22, 2024Observed: 0.37 ft at 3:10PM Apr 22, 2024Observed: 0.37 ft at 3:20PM Apr 22, 2024Observed: 0.37 ft at 3:30PM Apr 22, 2024Observed: 0.37 ft at 3:40PM Apr 22, 2024Observed: 0.38 ft at 4:00PM Apr 22, 2024Observed: 0.38 ft at 4:10PM Apr 22, 2024Observed: 0.38 ft at 4:20PM Apr 22, 2024Observed: 0.38 ft at 4:30PM Apr 22, 2024Observed: 0.38 ft at 4:40PM Apr 22, 2024Observed: 0.38 ft at 4:50PM Apr 22, 2024Observed: 0.38 ft at 5:00PM Apr 22, 2024Observed: 0.38 ft at 5:10PM Apr 22, 2024Observed: 0.38 ft at 5:20PM Apr 22, 2024Observed: 0.38 ft at 5:30PM Apr 22, 2024Observed: 0.38 ft at 5:40PM Apr 22, 2024Observed: 0.38 ft at 5:50PM Apr 22, 2024Observed: 0.38 ft at 6:00PM Apr 22, 2024Observed: 0.38 ft at 6:10PM Apr 22, 2024Observed: 0.38 ft at 6:20PM Apr 22, 2024Observed: 0.38 ft at 6:30PM Apr 22, 2024Observed: 0.38 ft at 6:40PM Apr 22, 2024Observed: 0.38 ft at 6:50PM Apr 22, 2024Observed: 0.38 ft at 7:00PM Apr 22, 2024Observed: 0.38 ft at 7:10PM Apr 22, 2024Observed: 0.38 ft at 7:20PM Apr 22, 2024Observed: 0.38 ft at 7:30PM Apr 22, 2024Observed: 0.38 ft at 7:40PM Apr 22, 2024Observed: 0.38 ft at 7:50PM Apr 22, 2024Observed: 0.38 ft at 8:00PM Apr 22, 2024Observed: 0.38 ft at 8:10PM Apr 22, 2024Observed: 0.38 ft at 8:20PM Apr 22, 2024Observed: 0.38 ft at 8:30PM Apr 22, 2024Observed: 0.38 ft at 8:40PM Apr 22, 2024Observed: 0.38 ft at 8:50PM Apr 22, 2024Observed: 0.38 ft at 9:00PM Apr 22, 2024Observed: 0.38 ft at 9:10PM Apr 22, 2024Observed: 0.38 ft at 9:20PM Apr 22, 2024Observed: 0.38 ft at 9:30PM Apr 22, 2024Observed: 0.38 ft at 9:40PM Apr 22, 2024Observed: 0.38 ft at 9:50PM Apr 22, 2024Observed: 0.38 ft at 10:00PM Apr 22, 2024Observed: 0.38 ft at 10:10PM Apr 22, 2024Observed: 0.38 ft at 10:20PM Apr 22, 2024Observed: 0.38 ft at 10:30PM Apr 22, 2024Observed: 0.38 ft at 10:40PM Apr 22, 2024Observed: 0.38 ft at 10:50PM Apr 22, 2024Observed: 0.38 ft at 11:00PM Apr 22, 2024Observed: 0.38 ft at 11:10PM Apr 22, 2024Observed: 0.38 ft at 11:20PM Apr 22, 2024Observed: 0.38 ft at 11:30PM Apr 22, 2024Observed: 0.38 ft at 11:40PM Apr 22, 2024Observed: 0.38 ft at 11:50PM Apr 22, 2024Observed: 0.38 ft at 12:00AM Apr 23, 2024Observed: 0.38 ft at 12:10AM Apr 23, 2024Observed: 0.38 ft at 12:20AM Apr 23, 2024Observed: 0.38 ft at 12:30AM Apr 23, 2024Observed: 0.38 ft at 12:40AM Apr 23, 2024Observed: 0.38 ft at 12:50AM Apr 23, 2024Observed: 0.38 ft at 1:00AM Apr 23, 2024Observed: 0.37 ft at 1:10AM Apr 23, 2024Observed: 0.37 ft at 1:20AM Apr 23, 2024Observed: 0.37 ft at 1:30AM Apr 23, 2024Observed: 0.37 ft at 1:40AM Apr 23, 2024Observed: 0.37 ft at 1:50AM Apr 23, 2024Observed: 0.37 ft at 2:10AM Apr 23, 2024Observed: 0.37 ft at 2:20AM Apr 23, 2024Observed: 0.37 ft at 2:30AM Apr 23, 2024Observed: 0.37 ft at 2:40AM Apr 23, 2024Observed: 0.37 ft at 2:50AM Apr 23, 2024Observed: 0.37 ft at 3:00AM Apr 23, 2024Observed: 0.37 ft at 3:10AM Apr 23, 2024Observed: 0.37 ft at 3:20AM Apr 23, 2024Observed: 0.37 ft at 3:30AM Apr 23, 2024Observed: 0.37 ft at 3:40AM Apr 23, 2024Observed: 0.37 ft at 3:50AM Apr 23, 2024Observed: 0.37 ft at 4:00AM Apr 23, 2024Observed: 0.37 ft at 4:10AM Apr 23, 2024Observed: 0.37 ft at 4:20AM Apr 23, 2024Observed: 0.37 ft at 4:30AM Apr 23, 2024Observed: 0.37 ft at 4:40AM Apr 23, 2024Observed: 0.37 ft at 4:50AM Apr 23, 2024Observed: 0.37 ft at 5:00AM Apr 23, 2024Observed: 0.36 ft at 5:10AM Apr 23, 2024Observed: 0.36 ft at 5:20AM Apr 23, 2024Observed: 0.36 ft at 5:30AM Apr 23, 2024Observed: 0.36 ft at 5:40AM Apr 23, 2024Observed: 0.36 ft at 5:50AM Apr 23, 2024Observed: 0.36 ft at 6:00AM Apr 23, 2024Observed: 0.36 ft at 6:10AM Apr 23, 2024Observed: 0.36 ft at 6:20AM Apr 23, 2024Observed: 0.36 ft at 6:30AM Apr 23, 2024Observed: 0.36 ft at 6:40AM Apr 23, 2024Observed: 0.37 ft at 6:50AM Apr 23, 2024Observed: 0.37 ft at 7:00AM Apr 23, 2024Observed: 0.37 ft at 7:10AM Apr 23, 2024Observed: 0.37 ft at 7:20AM Apr 23, 2024Observed: 0.37 ft at 7:30AM Apr 23, 2024Observed: 0.37 ft at 7:40AM Apr 23, 2024Observed: 0.37 ft at 7:50AM Apr 23, 2024Observed: 0.37 ft at 8:10AM Apr 23, 2024Observed: 0.38 ft at 8:20AM Apr 23, 2024Observed: 0.38 ft at 8:30AM Apr 23, 2024Observed: 0.38 ft at 8:40AM Apr 23, 2024Observed: 0.38 ft at 8:50AM Apr 23, 2024Observed: 0.38 ft at 9:00AM Apr 23, 2024Observed: 0.38 ft at 9:10AM Apr 23, 2024Observed: 0.38 ft at 9:20AM Apr 23, 2024Observed: 0.38 ft at 9:30AM Apr 23, 2024Observed: 0.38 ft at 9:40AM Apr 23, 2024Observed: 0.38 ft at 9:50AM Apr 23, 2024Observed: 0.38 ft at 10:00AM Apr 23, 2024Observed: 0.38 ft at 10:10AM Apr 23, 2024Observed: 0.38 ft at 10:20AM Apr 23, 2024Observed: 0.38 ft at 10:30AM Apr 23, 2024Observed: 0.38 ft at 10:40AM Apr 23, 2024Observed: 0.38 ft at 10:50AM Apr 23, 2024Observed: 0.38 ft at 11:10AM Apr 23, 2024Observed: 0.38 ft at 11:20AM Apr 23, 2024Observed: 0.38 ft at 11:30AM Apr 23, 2024Observed: 0.38 ft at 11:50AM Apr 23, 2024Observed: 0.38 ft at 12:00PM Apr 23, 2024Observed: 0.38 ft at 12:10PM Apr 23, 2024Observed: 0.38 ft at 12:20PM Apr 23, 2024Observed: 0.39 ft at 12:30PM Apr 23, 2024Observed: 0.39 ft at 12:40PM Apr 23, 2024Observed: 0.41 ft at 12:50PM Apr 23, 2024Highest Observation: 0.42 ft at 1:00PM Apr 23, 2024Highest Observation: 0.42 ft at 1:10PM Apr 23, 2024Observed: 0.41 ft at 1:20PM Apr 23, 2024Observed: 0.4 ft at 1:30PM Apr 23, 2024Observed: 0.39 ft at 1:40PM Apr 23, 2024Observed: 0.39 ft at 1:50PM Apr 23, 2024Observed: 0.38 ft at 2:00PM Apr 23, 2024Observed: 0.38 ft at 2:10PM Apr 23, 2024Observed: 0.38 ft at 2:20PM Apr 23, 2024Observed: 0.38 ft at 2:30PM Apr 23, 2024Observed: 0.38 ft at 2:40PM Apr 23, 2024Observed: 0.38 ft at 2:50PM Apr 23, 2024Observed: 0.38 ft at 3:00PM Apr 23, 2024Observed: 0.38 ft at 3:20PM Apr 23, 2024Observed: 0.38 ft at 3:30PM Apr 23, 2024Observed: 0.38 ft at 3:40PM Apr 23, 2024Observed: 0.38 ft at 3:50PM Apr 23, 2024Observed: 0.37 ft at 4:00PM Apr 23, 2024Observed: 0.38 ft at 4:10PM Apr 23, 2024Observed: 0.37 ft at 4:20PM Apr 23, 2024Observed: 0.37 ft at 4:30PM Apr 23, 2024Observed: 0.37 ft at 4:40PM Apr 23, 2024Observed: 0.37 ft at 4:50PM Apr 23, 2024Observed: 0.37 ft at 5:00PM Apr 23, 2024Observed: 0.37 ft at 5:10PM Apr 23, 2024Observed: 0.37 ft at 5:20PM Apr 23, 2024Observed: 0.37 ft at 5:30PM Apr 23, 2024Observed: 0.37 ft at 5:40PM Apr 23, 2024Observed: 0.37 ft at 5:50PM Apr 23, 2024Observed: 0.37 ft at 6:00PM Apr 23, 2024Observed: 0.37 ft at 6:10PM Apr 23, 2024Observed: 0.37 ft at 6:20PM Apr 23, 2024Observed: 0.37 ft at 6:30PM Apr 23, 2024Observed: 0.37 ft at 6:40PM Apr 23, 2024Observed: 0.37 ft at 6:50PM Apr 23, 2024Observed: 0.37 ft at 7:00PM Apr 23, 2024Observed: 0.37 ft at 7:10PM Apr 23, 2024Observed: 0.37 ft at 7:20PM Apr 23, 2024Observed: 0.37 ft at 7:30PM Apr 23, 2024Observed: 0.37 ft at 7:50PM Apr 23, 2024Observed: 0.37 ft at 8:00PM Apr 23, 2024Observed: 0.37 ft at 8:10PM Apr 23, 2024Observed: 0.37 ft at 8:20PM Apr 23, 2024Observed: 0.37 ft at 8:30PM Apr 23, 2024Observed: 0.37 ft at 8:40PM Apr 23, 2024Observed: 0.37 ft at 8:50PM Apr 23, 2024Observed: 0.37 ft at 9:00PM Apr 23, 2024Observed: 0.37 ft at 9:10PM Apr 23, 2024Observed: 0.37 ft at 9:20PM Apr 23, 2024Observed: 0.37 ft at 9:30PM Apr 23, 2024Observed: 0.37 ft at 9:40PM Apr 23, 2024Observed: 0.37 ft at 9:50PM Apr 23, 2024Observed: 0.37 ft at 10:00PM Apr 23, 2024Observed: 0.37 ft at 10:10PM Apr 23, 2024Observed: 0.37 ft at 10:20PM Apr 23, 2024Observed: 0.37 ft at 10:30PM Apr 23, 2024Observed: 0.37 ft at 10:40PM Apr 23, 2024Observed: 0.37 ft at 10:50PM Apr 23, 2024Observed: 0.37 ft at 11:00PM Apr 23, 2024Observed: 0.37 ft at 11:10PM Apr 23, 2024Observed: 0.37 ft at 11:20PM Apr 23, 2024Observed: 0.37 ft at 11:30PM Apr 23, 2024Observed: 0.37 ft at 11:40PM Apr 23, 2024Observed: 0.37 ft at 11:50PM Apr 23, 2024Observed: 0.36 ft at 12:00AM Apr 24, 2024Observed: 0.37 ft at 12:10AM Apr 24, 2024Observed: 0.37 ft at 12:20AM Apr 24, 2024Observed: 0.37 ft at 12:30AM Apr 24, 2024Observed: 0.37 ft at 12:50AM Apr 24, 2024Observed: 0.37 ft at 1:00AM Apr 24, 2024Observed: 0.37 ft at 1:10AM Apr 24, 2024Observed: 0.37 ft at 1:20AM Apr 24, 2024Observed: 0.37 ft at 1:30AM Apr 24, 2024Observed: 0.37 ft at 1:40AM Apr 24, 2024Observed: 0.37 ft at 1:50AM Apr 24, 2024Observed: 0.37 ft at 2:00AM Apr 24, 2024Observed: 0.37 ft at 2:10AM Apr 24, 2024Observed: 0.37 ft at 2:20AM Apr 24, 2024Observed: 0.37 ft at 2:30AM Apr 24, 2024Observed: 0.37 ft at 2:40AM Apr 24, 2024Observed: 0.37 ft at 2:50AM Apr 24, 2024Observed: 0.37 ft at 3:00AM Apr 24, 2024Observed: 0.37 ft at 3:10AM Apr 24, 2024Observed: 0.37 ft at 3:20AM Apr 24, 2024Observed: 0.37 ft at 3:30AM Apr 24, 2024Observed: 0.37 ft at 3:40AM Apr 24, 2024Observed: 0.37 ft at 3:50AM Apr 24, 2024Observed: 0.37 ft at 4:00AM Apr 24, 2024Observed: 0.37 ft at 4:10AM Apr 24, 2024Observed: 0.37 ft at 4:20AM Apr 24, 2024Observed: 0.37 ft at 4:30AM Apr 24, 2024Observed: 0.37 ft at 4:40AM Apr 24, 2024Observed: 0.37 ft at 4:50AM Apr 24, 2024Observed: 0.37 ft at 5:00AM Apr 24, 2024Observed: 0.37 ft at 5:10AM Apr 24, 2024Observed: 0.37 ft at 5:20AM Apr 24, 2024Observed: 0.37 ft at 5:30AM Apr 24, 2024Observed: 0.37 ft at 5:40AM Apr 24, 2024Observed: 0.37 ft at 5:50AM Apr 24, 2024Observed: 0.37 ft at 6:00AM Apr 24, 2024Observed: 0.37 ft at 6:10AM Apr 24, 2024Observed: 0.37 ft at 6:20AM Apr 24, 2024Observed: 0.37 ft at 6:30AM Apr 24, 2024Observed: 0.37 ft at 6:40AM Apr 24, 2024Observed: 0.37 ft at 6:50AM Apr 24, 2024Observed: 0.37 ft at 7:00AM Apr 24, 2024Observed: 0.37 ft at 7:10AM Apr 24, 2024Observed: 0.37 ft at 7:20AM Apr 24, 2024Observed: 0.37 ft at 7:30AM Apr 24, 2024Observed: 0.37 ft at 7:40AM Apr 24, 2024Observed: 0.37 ft at 7:50AM Apr 24, 2024Observed: 0.37 ft at 8:00AM Apr 24, 2024Observed: 0.37 ft at 8:10AM Apr 24, 2024Observed: 0.37 ft at 8:20AM Apr 24, 2024Observed: 0.37 ft at 8:30AM Apr 24, 2024Observed: 0.37 ft at 8:40AM Apr 24, 2024Observed: 0.37 ft at 8:50AM Apr 24, 2024Observed: 0.37 ft at 9:00AM Apr 24, 2024Observed: 0.37 ft at 9:10AM Apr 24, 2024Observed: 0.37 ft at 9:20AM Apr 24, 2024Observed: 0.37 ft at 9:30AM Apr 24, 2024Observed: 0.37 ft at 9:40AM Apr 24, 2024Observed: 0.37 ft at 9:50AM Apr 24, 2024Observed: 0.37 ft at 10:00AM Apr 24, 2024Observed: 0.37 ft at 10:10AM Apr 24, 2024Observed: 0.37 ft at 10:20AM Apr 24, 2024Observed: 0.37 ft at 10:30AM Apr 24, 2024Observed: 0.37 ft at 10:40AM Apr 24, 2024Observed: 0.37 ft at 10:50AM Apr 24, 2024Observed: 0.37 ft at 11:00AM Apr 24, 2024Observed: 0.37 ft at 11:20AM Apr 24, 2024Observed: 0.37 ft at 11:30AM Apr 24, 2024Observed: 0.37 ft at 11:40AM Apr 24, 2024Observed: 0.36 ft at 11:50AM Apr 24, 2024Observed: 0.37 ft at 12:00PM Apr 24, 2024Observed: 0.37 ft at 12:10PM Apr 24, 2024Observed: 0.36 ft at 12:20PM Apr 24, 2024Observed: 0.36 ft at 12:30PM Apr 24, 2024Observed: 0.36 ft at 12:40PM Apr 24, 2024Observed: 0.36 ft at 12:50PM Apr 24, 2024Observed: 0.37 ft at 1:00PM Apr 24, 2024Observed: 0.36 ft at 1:10PM Apr 24, 2024Observed: 0.36 ft at 1:20PM Apr 24, 2024Observed: 0.36 ft at 1:30PM Apr 24, 2024Observed: 0.36 ft at 1:40PM Apr 24, 2024Observed: 0.36 ft at 1:50PM Apr 24, 2024Observed: 0.36 ft at 2:00PM Apr 24, 2024Observed: 0.36 ft at 2:20PM Apr 24, 2024Observed: 0.36 ft at 2:30PM Apr 24, 2024Observed: 0.36 ft at 2:40PM Apr 24, 2024Observed: 0.36 ft at 2:50PM Apr 24, 2024Observed: 0.36 ft at 3:00PM Apr 24, 2024Observed: 0.36 ft at 3:10PM Apr 24, 2024Observed: 0.36 ft at 3:20PM Apr 24, 2024Observed: 0.36 ft at 3:30PM Apr 24, 2024Observed: 0.36 ft at 3:40PM Apr 24, 2024Observed: 0.36 ft at 3:50PM Apr 24, 2024Observed: 0.36 ft at 4:00PM Apr 24, 2024Observed: 0.36 ft at 4:10PM Apr 24, 2024Observed: 0.36 ft at 4:20PM Apr 24, 2024Observed: 0.36 ft at 4:30PM Apr 24, 2024Observed: 0.36 ft at 4:40PM Apr 24, 2024Observed: 0.36 ft at 4:50PM Apr 24, 2024Observed: 0.36 ft at 5:00PM Apr 24, 2024Observed: 0.36 ft at 5:10PM Apr 24, 2024Observed: 0.36 ft at 5:20PM Apr 24, 2024Observed: 0.36 ft at 5:30PM Apr 24, 2024Observed: 0.36 ft at 5:40PM Apr 24, 2024Observed: 0.36 ft at 6:00PM Apr 24, 2024Observed: 0.36 ft at 6:10PM Apr 24, 2024Observed: 0.36 ft at 6:20PM Apr 24, 2024Observed: 0.36 ft at 6:30PM Apr 24, 2024Observed: 0.36 ft at 6:40PM Apr 24, 2024Observed: 0.36 ft at 6:50PM Apr 24, 2024Observed: 0.36 ft at 7:00PM Apr 24, 2024Observed: 0.36 ft at 7:10PM Apr 24, 2024Observed: 0.36 ft at 7:20PM Apr 24, 2024Observed: 0.36 ft at 7:30PM Apr 24, 2024Observed: 0.36 ft at 7:40PM Apr 24, 2024Observed: 0.36 ft at 7:50PM Apr 24, 2024Observed: 0.36 ft at 8:00PM Apr 24, 2024Observed: 0.36 ft at 8:10PM Apr 24, 2024Observed: 0.36 ft at 8:20PM Apr 24, 2024Observed: 0.36 ft at 8:30PM Apr 24, 2024Observed: 0.36 ft at 8:40PM Apr 24, 2024Observed: 0.36 ft at 8:50PM Apr 24, 2024Observed: 0.36 ft at 9:00PM Apr 24, 2024Observed: 0.36 ft at 9:10PM Apr 24, 2024Observed: 0.36 ft at 9:20PM Apr 24, 2024Observed: 0.35 ft at 9:30PM Apr 24, 2024Observed: 0.36 ft at 9:40PM Apr 24, 2024Observed: 0.35 ft at 9:50PM Apr 24, 2024Observed: 0.36 ft at 10:00PM Apr 24, 2024Observed: 0.35 ft at 10:10PM Apr 24, 2024Observed: 0.35 ft at 10:20PM Apr 24, 2024Observed: 0.35 ft at 10:30PM Apr 24, 2024Observed: 0.35 ft at 10:40PM Apr 24, 2024Observed: 0.35 ft at 10:50PM Apr 24, 2024Observed: 0.35 ft at 11:00PM Apr 24, 2024Observed: 0.35 ft at 11:10PM Apr 24, 2024Observed: 0.35 ft at 11:20PM Apr 24, 2024Observed: 0.35 ft at 11:30PM Apr 24, 2024Observed: 0.35 ft at 11:40PM Apr 24, 2024Observed: 0.35 ft at 11:50PM Apr 24, 2024Observed: 0.35 ft at 12:00AM Apr 25, 2024Observed: 0.35 ft at 12:10AM Apr 25, 2024Observed: 0.35 ft at 12:20AM Apr 25, 2024Observed: 0.35 ft at 12:30AM Apr 25, 2024Observed: 0.35 ft at 12:40AM Apr 25, 2024Observed: 0.35 ft at 12:50AM Apr 25, 2024Observed: 0.35 ft at 1:10AM Apr 25, 2024Observed: 0.35 ft at 1:20AM Apr 25, 2024Observed: 0.35 ft at 1:30AM Apr 25, 2024Observed: 0.35 ft at 1:40AM Apr 25, 2024Observed: 0.35 ft at 1:50AM Apr 25, 2024Observed: 0.35 ft at 2:00AM Apr 25, 2024Observed: 0.35 ft at 2:10AM Apr 25, 2024Observed: 0.36 ft at 2:20AM Apr 25, 2024Observed: 0.36 ft at 2:30AM Apr 25, 2024Observed: 0.36 ft at 2:40AM Apr 25, 2024Observed: 0.36 ft at 2:50AM Apr 25, 2024Observed: 0.36 ft at 3:00AM Apr 25, 2024Observed: 0.36 ft at 3:10AM Apr 25, 2024Observed: 0.36 ft at 3:30AM Apr 25, 2024Observed: 0.36 ft at 3:40AM Apr 25, 2024Observed: 0.36 ft at 3:50AM Apr 25, 2024Observed: 0.36 ft at 4:00AM Apr 25, 2024Observed: 0.36 ft at 4:10AM Apr 25, 2024Observed: 0.36 ft at 4:20AM Apr 25, 2024Observed: 0.36 ft at 4:30AM Apr 25, 2024Observed: 0.36 ft at 4:40AM Apr 25, 2024Observed: 0.36 ft at 4:50AM Apr 25, 2024Observed: 0.36 ft at 5:00AM Apr 25, 2024Observed: 0.36 ft at 5:10AM Apr 25, 2024Observed: 0.36 ft at 5:20AM Apr 25, 2024Observed: 0.36 ft at 5:30AM Apr 25, 2024Observed: 0.36 ft at 5:40AM Apr 25, 2024Observed: 0.36 ft at 5:50AM Apr 25, 2024Observed: 0.36 ft at 6:00AM Apr 25, 2024Observed: 0.36 ft at 6:10AM Apr 25, 2024Observed: 0.36 ft at 6:20AM Apr 25, 2024Observed: 0.36 ft at 6:30AM Apr 25, 2024Observed: 0.36 ft at 6:40AM Apr 25, 2024Observed: 0.36 ft at 6:50AM Apr 25, 2024Observed: 0.36 ft at 7:00AM Apr 25, 2024Observed: 0.36 ft at 7:10AM Apr 25, 2024Observed: 0.36 ft at 7:20AM Apr 25, 2024Observed: 0.36 ft at 7:30AM Apr 25, 2024Observed: 0.36 ft at 7:40AM Apr 25, 2024Observed: 0.36 ft at 8:00AM Apr 25, 2024Observed: 0.36 ft at 8:10AM Apr 25, 2024Observed: 0.36 ft at 8:20AM Apr 25, 2024Observed: 0.36 ft at 8:30AM Apr 25, 2024Observed: 0.36 ft at 8:40AM Apr 25, 2024Observed: 0.36 ft at 8:50AM Apr 25, 2024Observed: 0.36 ft at 9:00AM Apr 25, 2024Observed: 0.36 ft at 9:10AM Apr 25, 2024Observed: 0.36 ft at 9:20AM Apr 25, 2024Observed: 0.36 ft at 9:30AM Apr 25, 2024Observed: 0.36 ft at 9:40AM Apr 25, 2024Observed: 0.37 ft at 9:50AM Apr 25, 2024Observed: 0.37 ft at 10:00AM Apr 25, 2024Observed: 0.37 ft at 10:10AM Apr 25, 2024Observed: 0.37 ft at 10:20AM Apr 25, 2024Observed: 0.36 ft at 10:30AM Apr 25, 2024Observed: 0.37 ft at 10:40AM Apr 25, 2024Observed: 0.37 ft at 10:50AM Apr 25, 2024Observed: 0.37 ft at 11:00AM Apr 25, 2024Observed: 0.37 ft at 11:10AM Apr 25, 2024Observed: 0.37 ft at 11:20AM Apr 25, 2024Observed: 0.37 ft at 11:30AM Apr 25, 2024Observed: 0.37 ft at 11:50AM Apr 25, 2024Observed: 0.36 ft at 12:00PM Apr 25, 2024Observed: 0.36 ft at 12:10PM Apr 25, 2024Observed: 0.36 ft at 12:20PM Apr 25, 2024Observed: 0.36 ft at 12:30PM Apr 25, 2024Observed: 0.36 ft at 12:40PM Apr 25, 2024Observed: 0.36 ft at 12:50PM Apr 25, 2024Observed: 0.36 ft at 1:00PM Apr 25, 2024Observed: 0.36 ft at 1:10PM Apr 25, 2024Observed: 0.36 ft at 1:20PM Apr 25, 2024Observed: 0.36 ft at 1:30PM Apr 25, 2024Observed: 0.36 ft at 1:40PM Apr 25, 2024Observed: 0.36 ft at 1:50PM Apr 25, 2024Observed: 0.36 ft at 2:00PM Apr 25, 2024Observed: 0.36 ft at 2:10PM Apr 25, 2024Observed: 0.36 ft at 2:20PM Apr 25, 2024Observed: 0.36 ft at 2:30PM Apr 25, 2024Observed: 0.36 ft at 2:40PM Apr 25, 2024Observed: 0.36 ft at 2:50PM Apr 25, 2024Observed: 0.36 ft at 3:00PM Apr 25, 2024Observed: 0.36 ft at 3:10PM Apr 25, 2024Observed: 0.36 ft at 3:20PM Apr 25, 2024Observed: 0.36 ft at 3:30PM Apr 25, 2024Observed: 0.37 ft at 3:40PM Apr 25, 2024Observed: 0.36 ft at 3:50PM Apr 25, 2024Observed: 0.36 ft at 4:00PM Apr 25, 2024Observed: 0.36 ft at 4:10PM Apr 25, 2024Observed: 0.36 ft at 4:20PM Apr 25, 2024Observed: 0.36 ft at 4:30PM Apr 25, 2024Observed: 0.36 ft at 4:40PM Apr 25, 2024Observed: 0.36 ft at 4:50PM Apr 25, 2024Observed: 0.36 ft at 5:00PM Apr 25, 2024Observed: 0.36 ft at 5:10PM Apr 25, 2024Observed: 0.37 ft at 5:20PM Apr 25, 2024Observed: 0.36 ft at 5:30PM Apr 25, 2024Observed: 0.36 ft at 5:40PM Apr 25, 2024Observed: 0.36 ft at 5:50PM Apr 25, 2024Observed: 0.36 ft at 6:00PM Apr 25, 2024Observed: 0.36 ft at 6:10PM Apr 25, 2024Observed: 0.36 ft at 6:20PM Apr 25, 2024Observed: 0.36 ft at 6:30PM Apr 25, 2024Observed: 0.36 ft at 6:40PM Apr 25, 2024Observed: 0.36 ft at 6:50PM Apr 25, 2024Observed: 0.36 ft at 7:00PM Apr 25, 2024Observed: 0.36 ft at 7:10PM Apr 25, 2024Observed: 0.36 ft at 7:20PM Apr 25, 2024Observed: 0.36 ft at 7:30PM Apr 25, 2024PBPV2(plotting HGIRR) Graph Created (7:41PM Apr 25, 2024)ObservedLatest observed value: 0.36 ft at 7:30 PM EDT 25-Apr-2024. Flood Stage is 6.5 ft
About this graph
Tabular Data (UTC)
Tabular Data (EDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Gauge awaiting repair - automated readings are not available at this time.

NOTE: Forecasts for the Potomac River at Dam Number Five above Williamsport are issued routinely year-round.

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Upstream Gauge - at Hancock Upstream Gauge Downstream Gauge Downstream Gauge - at Williamsport
Flood Categories (in feet)
Major Flood Stage: 27
Moderate Flood Stage: 24
Flood Stage: 21
Action Stage: 14
Low Stage (in feet): -9999

Historic Crests
(1) 21.32 ft on 05/08/2022 (P)

(P): Preliminary values subject to further review.

Recent Crests
(1) 21.32 ft on 05/08/2022 (P)

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.
Zoom Level:14
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Gauge LocationGauge Map Marker
 Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
31 Floodwaters enter the Williamsport Cushwa Visitor Center.
29 The vast majority of the C&O Canal towpath is under water.
27 Widespread flooding is ongoing at River Bend and Potomac Fish & Game Club. Three feet of water are inside the first floor of the powerhouse at Dam Number Five. Water is approaching outbuildings at the Cushwa Basin with the parking lot flooded.
25 Structures are flooded at both Potomac Fish & Game Club and River Bend.
24 Water reaches the first floor of the powerhouse at Dam Number Five, with relatively widespread flooding ongoing at River Bend.
23 Lower portions of the Potomac Fish & Game Club property begin to flood.
22 Water reaches the gate of the boat ramp at River Bend and starts to come overbank in a larger area. Backwater from the Potomac comes up the Conococheague, causing flooding of the parking area at Cushwa Basin. Significant portions of the C&O Canal Towpath are flooded, including the Four Locks area parking lot.
21 Water reaches non-permanent structures in the River Bend RV Community, including RVs and outbuildings.
20 The private drive leading to Dam Number Five on the West Virginia side of the river begins to flood. The entire Four Locks parking lot for the C&O Canal is flooded, along with portions of the towpath and low-lying land within the River Bend RV Community.
18 Water begins to come over the bank in low-lying portions of the River Bend RV Community. Property owners should consider moving items that are close to the river. Portions of the C&O Canal Towpath and Four Locks area parking lot are flooded.
14 Portions of the C&O Canal Towpath start to flood west of Williamsport, and the Four Locks parking lot along the C&O Canal also begins to flood.
About This Location Collapse

Latitude: 39.605173° N, Longitude: 77.922952° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 21 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)		 Elevation
(gauge height = flood stage)		 Elevation information source
NAVD88 340.40 361.40 Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  
Additional Information Collapse
Forecast and warning services began at this site on December 11, 2019.
Resources Collapse
Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
(Baltimore/Washington) Sterling Weather Forecast Office
43858 Weather Service Rd.
Sterling, VA 20166
(571) 888-3500
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