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Hydrograph River at a Glance Download
Split Rock Creek at Corson Stage (ft)Flow (cfs)Observed: 2.85 ft at 8:15AM Jan 19, 2020Observed: 2.85 ft at 8:30AM Jan 19, 2020Observed: 2.85 ft at 8:45AM Jan 19, 2020Observed: 2.86 ft at 9:00AM Jan 19, 2020Observed: 2.86 ft at 9:15AM Jan 19, 2020Observed: 2.85 ft at 9:30AM Jan 19, 2020Observed: 2.86 ft at 9:45AM Jan 19, 2020Observed: 2.85 ft at 10:00AM Jan 19, 2020Observed: 2.85 ft at 10:15AM Jan 19, 2020Observed: 2.86 ft at 10:30AM Jan 19, 2020Observed: 2.85 ft at 10:45AM Jan 19, 2020Observed: 2.85 ft at 11:00AM Jan 19, 2020Observed: 2.85 ft at 11:15AM Jan 19, 2020Observed: 2.85 ft at 11:30AM Jan 19, 2020Observed: 2.85 ft at 11:45AM Jan 19, 2020Observed: 2.85 ft at 12:00PM Jan 19, 2020Observed: 2.85 ft at 12:15PM Jan 19, 2020Observed: 2.86 ft at 12:30PM Jan 19, 2020Observed: 2.86 ft at 12:45PM Jan 19, 2020Observed: 2.86 ft at 1:00PM Jan 19, 2020Observed: 2.86 ft at 1:15PM Jan 19, 2020Observed: 2.87 ft at 1:30PM Jan 19, 2020Observed: 2.87 ft at 1:45PM Jan 19, 2020Observed: 2.87 ft at 2:00PM Jan 19, 2020Observed: 2.87 ft at 2:15PM Jan 19, 2020Observed: 2.87 ft at 2:16PM Jan 19, 2020Observed: 2.87 ft at 2:30PM Jan 19, 2020Observed: 2.87 ft at 2:31PM Jan 19, 2020Observed: 2.87 ft at 2:45PM Jan 19, 2020Observed: 2.87 ft at 2:46PM Jan 19, 2020Observed: 2.87 ft at 3:00PM Jan 19, 2020Observed: 2.87 ft at 3:15PM Jan 19, 2020Observed: 2.86 ft at 3:30PM Jan 19, 2020Observed: 2.86 ft at 3:45PM Jan 19, 2020Observed: 2.85 ft at 4:00PM Jan 19, 2020Observed: 2.84 ft at 4:15PM Jan 19, 2020Observed: 2.84 ft at 4:30PM Jan 19, 2020Observed: 2.84 ft at 4:45PM Jan 19, 2020Observed: 2.83 ft at 5:00PM Jan 19, 2020Observed: 2.83 ft at 5:15PM Jan 19, 2020Observed: 2.83 ft at 5:30PM Jan 19, 2020Observed: 2.83 ft at 5:45PM Jan 19, 2020Observed: 2.83 ft at 6:00PM Jan 19, 2020Observed: 2.82 ft at 6:15PM Jan 19, 2020Observed: 2.82 ft at 6:30PM Jan 19, 2020Observed: 2.82 ft at 6:45PM Jan 19, 2020Observed: 2.82 ft at 7:00PM Jan 19, 2020Observed: 2.81 ft at 7:15PM Jan 19, 2020Observed: 2.81 ft at 7:30PM Jan 19, 2020Observed: 2.81 ft at 7:45PM Jan 19, 2020Observed: 2.82 ft at 8:00PM Jan 19, 2020Observed: 2.83 ft at 8:15PM Jan 19, 2020Observed: 2.83 ft at 8:30PM Jan 19, 2020Observed: 2.83 ft at 8:45PM Jan 19, 2020Observed: 2.84 ft at 9:00PM Jan 19, 2020Observed: 2.85 ft at 9:15PM Jan 19, 2020Observed: 2.85 ft at 9:30PM Jan 19, 2020Observed: 2.85 ft at 9:45PM Jan 19, 2020Observed: 2.85 ft at 10:00PM Jan 19, 2020Observed: 2.85 ft at 10:15PM Jan 19, 2020Observed: 2.85 ft at 10:30PM Jan 19, 2020Observed: 2.85 ft at 10:45PM Jan 19, 2020Observed: 2.85 ft at 11:00PM Jan 19, 2020Observed: 2.86 ft at 11:15PM Jan 19, 2020Observed: 2.86 ft at 11:30PM Jan 19, 2020Observed: 2.87 ft at 11:45PM Jan 19, 2020Observed: 2.87 ft at 12:00AM Jan 20, 2020Observed: 2.87 ft at 12:15AM Jan 20, 2020Observed: 2.87 ft at 12:30AM Jan 20, 2020Observed: 2.88 ft at 12:45AM Jan 20, 2020Observed: 2.88 ft at 1:00AM Jan 20, 2020Observed: 2.88 ft at 1:15AM Jan 20, 2020Observed: 2.88 ft at 1:30AM Jan 20, 2020Observed: 2.88 ft at 1:45AM Jan 20, 2020Observed: 2.89 ft at 2:00AM Jan 20, 2020Observed: 2.89 ft at 2:15AM Jan 20, 2020Observed: 2.9 ft at 2:30AM Jan 20, 2020Observed: 2.9 ft at 2:45AM Jan 20, 2020Observed: 2.91 ft at 3:00AM Jan 20, 2020Observed: 2.91 ft at 3:15AM Jan 20, 2020Observed: 2.91 ft at 3:30AM Jan 20, 2020Observed: 2.91 ft at 3:45AM Jan 20, 2020Observed: 2.92 ft at 4:00AM Jan 20, 2020Observed: 2.92 ft at 4:15AM Jan 20, 2020Observed: 2.92 ft at 4:30AM Jan 20, 2020Observed: 2.92 ft at 4:45AM Jan 20, 2020Observed: 2.93 ft at 5:00AM Jan 20, 2020Observed: 2.93 ft at 5:15AM Jan 20, 2020Observed: 2.93 ft at 5:30AM Jan 20, 2020Observed: 2.93 ft at 5:45AM Jan 20, 2020Observed: 2.93 ft at 6:00AM Jan 20, 2020Observed: 2.93 ft at 6:15AM Jan 20, 2020Observed: 2.93 ft at 6:16AM Jan 20, 2020Observed: 2.93 ft at 6:30AM Jan 20, 2020Observed: 2.93 ft at 6:31AM Jan 20, 2020Observed: 2.93 ft at 6:45AM Jan 20, 2020Observed: 2.93 ft at 6:46AM Jan 20, 2020Observed: 2.93 ft at 7:00AM Jan 20, 2020Observed: 2.94 ft at 7:15AM Jan 20, 2020Observed: 2.94 ft at 7:30AM Jan 20, 2020Observed: 2.94 ft at 7:45AM Jan 20, 2020Observed: 2.94 ft at 8:00AM Jan 20, 2020Observed: 2.94 ft at 8:15AM Jan 20, 2020Observed: 2.94 ft at 8:30AM Jan 20, 2020Observed: 2.94 ft at 8:45AM Jan 20, 2020Observed: 2.95 ft at 9:00AM Jan 20, 2020Observed: 2.95 ft at 9:15AM Jan 20, 2020Observed: 2.96 ft at 9:30AM Jan 20, 2020Observed: 2.96 ft at 9:45AM Jan 20, 2020Observed: 2.96 ft at 10:00AM Jan 20, 2020Observed: 2.96 ft at 10:15AM Jan 20, 2020Observed: 2.97 ft at 10:30AM Jan 20, 2020Observed: 2.97 ft at 10:45AM Jan 20, 2020Observed: 2.97 ft at 11:00AM Jan 20, 2020Observed: 2.97 ft at 11:15AM Jan 20, 2020Observed: 2.97 ft at 11:30AM Jan 20, 2020Observed: 2.97 ft at 11:45AM Jan 20, 2020Observed: 2.97 ft at 12:00PM Jan 20, 2020Observed: 2.98 ft at 12:15PM Jan 20, 2020Observed: 2.97 ft at 12:30PM Jan 20, 2020Observed: 2.97 ft at 12:45PM Jan 20, 2020Observed: 2.97 ft at 1:00PM Jan 20, 2020Observed: 2.97 ft at 1:15PM Jan 20, 2020Observed: 2.97 ft at 1:30PM Jan 20, 2020Observed: 2.98 ft at 1:45PM Jan 20, 2020Observed: 2.97 ft at 2:00PM Jan 20, 2020Observed: 2.97 ft at 2:15PM Jan 20, 2020Observed: 2.97 ft at 2:30PM Jan 20, 2020Observed: 2.97 ft at 2:45PM Jan 20, 2020Observed: 2.97 ft at 3:00PM Jan 20, 2020Observed: 2.98 ft at 3:15PM Jan 20, 2020Observed: 2.97 ft at 3:30PM Jan 20, 2020Observed: 2.97 ft at 3:45PM Jan 20, 2020Observed: 2.98 ft at 4:00PM Jan 20, 2020Observed: 2.97 ft at 4:15PM Jan 20, 2020Observed: 2.98 ft at 4:30PM Jan 20, 2020Observed: 2.97 ft at 4:45PM Jan 20, 2020Observed: 2.97 ft at 5:00PM Jan 20, 2020Observed: 2.97 ft at 5:15PM Jan 20, 2020Observed: 2.97 ft at 5:30PM Jan 20, 2020Observed: 2.97 ft at 5:45PM Jan 20, 2020Observed: 2.97 ft at 6:00PM Jan 20, 2020Observed: 2.96 ft at 6:15PM Jan 20, 2020Observed: 2.97 ft at 6:30PM Jan 20, 2020Observed: 2.97 ft at 6:45PM Jan 20, 2020Observed: 2.97 ft at 7:00PM Jan 20, 2020Observed: 2.97 ft at 7:15PM Jan 20, 2020Observed: 2.97 ft at 7:30PM Jan 20, 2020Observed: 2.97 ft at 7:45PM Jan 20, 2020Observed: 2.98 ft at 8:00PM Jan 20, 2020Observed: 2.98 ft at 8:15PM Jan 20, 2020Observed: 2.98 ft at 8:30PM Jan 20, 2020Observed: 2.98 ft at 8:45PM Jan 20, 2020Observed: 2.98 ft at 9:00PM Jan 20, 2020Observed: 2.99 ft at 9:15PM Jan 20, 2020Observed: 2.99 ft at 9:30PM Jan 20, 2020Observed: 2.99 ft at 9:45PM Jan 20, 2020Observed: 2.99 ft at 10:00PM Jan 20, 2020Observed: 2.99 ft at 10:15PM Jan 20, 2020Observed: 3 ft at 10:30PM Jan 20, 2020Observed: 3 ft at 10:45PM Jan 20, 2020Observed: 2.99 ft at 11:00PM Jan 20, 2020Observed: 3 ft at 11:15PM Jan 20, 2020Observed: 3.01 ft at 11:30PM Jan 20, 2020Observed: 3 ft at 11:45PM Jan 20, 2020Observed: 3 ft at 12:00AM Jan 21, 2020Observed: 3.01 ft at 12:15AM Jan 21, 2020Observed: 3.01 ft at 12:30AM Jan 21, 2020Observed: 3.01 ft at 12:45AM Jan 21, 2020Observed: 3.01 ft at 1:00AM Jan 21, 2020Observed: 3.02 ft at 1:15AM Jan 21, 2020Observed: 3.02 ft at 1:30AM Jan 21, 2020Observed: 3.02 ft at 1:45AM Jan 21, 2020Observed: 3.01 ft at 2:00AM Jan 21, 2020Observed: 3.02 ft at 2:15AM Jan 21, 2020Observed: 3.02 ft at 2:30AM Jan 21, 2020Observed: 3.02 ft at 2:45AM Jan 21, 2020Observed: 3.02 ft at 3:00AM Jan 21, 2020Observed: 3.02 ft at 3:15AM Jan 21, 2020Observed: 3.02 ft at 3:30AM Jan 21, 2020Observed: 3.02 ft at 3:45AM Jan 21, 2020Observed: 3.03 ft at 4:00AM Jan 21, 2020Observed: 3.02 ft at 4:15AM Jan 21, 2020Observed: 3.03 ft at 4:30AM Jan 21, 2020Observed: 3.02 ft at 4:45AM Jan 21, 2020Observed: 3.03 ft at 5:00AM Jan 21, 2020Observed: 3.03 ft at 5:15AM Jan 21, 2020Observed: 3.03 ft at 5:30AM Jan 21, 2020Observed: 3.03 ft at 5:45AM Jan 21, 2020Observed: 3.03 ft at 6:00AM Jan 21, 2020Observed: 3.03 ft at 6:15AM Jan 21, 2020Observed: 3.03 ft at 6:17AM Jan 21, 2020Observed: 3.03 ft at 6:30AM Jan 21, 2020Observed: 3.03 ft at 6:32AM Jan 21, 2020Observed: 3.03 ft at 6:45AM Jan 21, 2020Observed: 3.03 ft at 6:47AM Jan 21, 2020Observed: 3.03 ft at 7:00AM Jan 21, 2020Observed: 3.03 ft at 7:15AM Jan 21, 2020Observed: 3.03 ft at 7:30AM Jan 21, 2020Observed: 3.03 ft at 7:45AM Jan 21, 2020Observed: 3.03 ft at 8:00AM Jan 21, 2020Observed: 3.03 ft at 8:15AM Jan 21, 2020Observed: 3.03 ft at 8:30AM Jan 21, 2020Observed: 3.03 ft at 8:45AM Jan 21, 2020Observed: 3.03 ft at 9:00AM Jan 21, 2020Observed: 3.04 ft at 9:15AM Jan 21, 2020Observed: 3.03 ft at 9:30AM Jan 21, 2020Observed: 3.04 ft at 9:45AM Jan 21, 2020Observed: 3.04 ft at 10:00AM Jan 21, 2020Observed: 3.04 ft at 10:15AM Jan 21, 2020Observed: 3.04 ft at 10:30AM Jan 21, 2020Observed: 3.04 ft at 10:45AM Jan 21, 2020Observed: 3.04 ft at 11:00AM Jan 21, 2020Observed: 3.04 ft at 11:15AM Jan 21, 2020Observed: 3.04 ft at 11:30AM Jan 21, 2020Observed: 3.04 ft at 11:45AM Jan 21, 2020Observed: 3.04 ft at 12:00PM Jan 21, 2020Observed: 3.04 ft at 12:15PM Jan 21, 2020Observed: 3.04 ft at 12:30PM Jan 21, 2020Observed: 3.04 ft at 12:45PM Jan 21, 2020Observed: 3.04 ft at 1:00PM Jan 21, 2020Observed: 3.04 ft at 1:15PM Jan 21, 2020Observed: 3.04 ft at 1:30PM Jan 21, 2020Observed: 3.03 ft at 1:45PM Jan 21, 2020Observed: 3.04 ft at 2:00PM Jan 21, 2020Observed: 3.03 ft at 2:15PM Jan 21, 2020Observed: 3.03 ft at 2:30PM Jan 21, 2020Observed: 3.03 ft at 2:31PM Jan 21, 2020Observed: 3.04 ft at 2:45PM Jan 21, 2020Observed: 3.04 ft at 2:46PM Jan 21, 2020Observed: 3.03 ft at 3:00PM Jan 21, 2020Observed: 3.03 ft at 3:01PM Jan 21, 2020Observed: 3.03 ft at 3:15PM Jan 21, 2020Observed: 3.03 ft at 3:30PM Jan 21, 2020Observed: 3.03 ft at 3:45PM Jan 21, 2020Observed: 3.03 ft at 4:00PM Jan 21, 2020Observed: 3.03 ft at 4:15PM Jan 21, 2020Observed: 3.02 ft at 4:30PM Jan 21, 2020Observed: 3.02 ft at 4:45PM Jan 21, 2020Observed: 3.02 ft at 5:00PM Jan 21, 2020Observed: 3.02 ft at 5:15PM Jan 21, 2020Observed: 3.02 ft at 5:30PM Jan 21, 2020Observed: 3.02 ft at 5:45PM Jan 21, 2020Observed: 3.02 ft at 6:00PM Jan 21, 2020Observed: 3.02 ft at 6:15PM Jan 21, 2020Observed: 3.02 ft at 6:30PM Jan 21, 2020Observed: 3.02 ft at 6:45PM Jan 21, 2020Observed: 3.03 ft at 7:00PM Jan 21, 2020Observed: 3.03 ft at 7:15PM Jan 21, 2020Observed: 3.03 ft at 7:30PM Jan 21, 2020Observed: 3.03 ft at 7:45PM Jan 21, 2020Observed: 3.02 ft at 8:00PM Jan 21, 2020Observed: 3.03 ft at 8:15PM Jan 21, 2020Observed: 3.03 ft at 8:30PM Jan 21, 2020Observed: 3.03 ft at 8:45PM Jan 21, 2020Observed: 3.03 ft at 9:00PM Jan 21, 2020Observed: 3.03 ft at 9:15PM Jan 21, 2020Observed: 3.03 ft at 9:30PM Jan 21, 2020Observed: 3.03 ft at 9:45PM Jan 21, 2020Observed: 3.03 ft at 10:00PM Jan 21, 2020Observed: 3.02 ft at 10:15PM Jan 21, 2020Observed: 3.03 ft at 10:30PM Jan 21, 2020Observed: 3.03 ft at 10:45PM Jan 21, 2020Observed: 3.03 ft at 11:00PM Jan 21, 2020Observed: 3.03 ft at 11:15PM Jan 21, 2020Observed: 3.03 ft at 11:30PM Jan 21, 2020Observed: 3.03 ft at 11:45PM Jan 21, 2020Observed: 3.03 ft at 12:00AM Jan 22, 2020Observed: 3.03 ft at 12:15AM Jan 22, 2020Observed: 3.03 ft at 12:30AM Jan 22, 2020Observed: 3.03 ft at 12:45AM Jan 22, 2020Observed: 3.04 ft at 1:00AM Jan 22, 2020Observed: 3.03 ft at 1:15AM Jan 22, 2020Observed: 3.03 ft at 1:30AM Jan 22, 2020Observed: 3.04 ft at 1:45AM Jan 22, 2020Observed: 3.03 ft at 2:00AM Jan 22, 2020Observed: 3.03 ft at 2:15AM Jan 22, 2020Observed: 3.03 ft at 2:30AM Jan 22, 2020Observed: 3.03 ft at 2:45AM Jan 22, 2020Observed: 3.03 ft at 3:00AM Jan 22, 2020Observed: 3.03 ft at 3:15AM Jan 22, 2020Observed: 3.03 ft at 3:30AM Jan 22, 2020Observed: 3.04 ft at 3:45AM Jan 22, 2020Observed: 3.04 ft at 4:00AM Jan 22, 2020Observed: 3.04 ft at 4:15AM Jan 22, 2020Observed: 3.04 ft at 4:30AM Jan 22, 2020Observed: 3.04 ft at 4:45AM Jan 22, 2020Observed: 3.04 ft at 5:00AM Jan 22, 2020Observed: 3.05 ft at 5:15AM Jan 22, 2020Observed: 3.04 ft at 5:30AM Jan 22, 2020Observed: 3.04 ft at 5:45AM Jan 22, 2020Observed: 3.04 ft at 6:00AM Jan 22, 2020Observed: 3.05 ft at 6:15AM Jan 22, 2020Observed: 3.05 ft at 6:30AM Jan 22, 2020Observed: 3.05 ft at 6:45AM Jan 22, 2020Observed: 3.05 ft at 7:00AM Jan 22, 2020Observed: 3.04 ft at 7:15AM Jan 22, 2020Observed: 3.04 ft at 7:30AM Jan 22, 2020Observed: 3.04 ft at 7:45AM Jan 22, 2020Observed: 3.04 ft at 8:00AM Jan 22, 2020Observed: 3.05 ft at 8:15AM Jan 22, 2020Observed: 3.05 ft at 8:30AM Jan 22, 2020Observed: 3.05 ft at 8:45AM Jan 22, 2020Observed: 3.05 ft at 9:00AM Jan 22, 2020Observed: 3.05 ft at 9:15AM Jan 22, 2020Observed: 3.05 ft at 9:30AM Jan 22, 2020Observed: 3.06 ft at 9:45AM Jan 22, 2020Observed: 3.06 ft at 10:00AM Jan 22, 2020Observed: 3.06 ft at 10:15AM Jan 22, 2020Observed: 3.06 ft at 10:30AM Jan 22, 2020Observed: 3.06 ft at 10:45AM Jan 22, 2020Observed: 3.06 ft at 11:00AM Jan 22, 2020Observed: 3.06 ft at 11:15AM Jan 22, 2020Observed: 3.06 ft at 11:30AM Jan 22, 2020Observed: 3.06 ft at 11:45AM Jan 22, 2020Observed: 3.06 ft at 12:00PM Jan 22, 2020Observed: 3.06 ft at 12:15PM Jan 22, 2020Observed: 3.06 ft at 12:30PM Jan 22, 2020Observed: 3.05 ft at 12:45PM Jan 22, 2020Observed: 3.05 ft at 1:00PM Jan 22, 2020Observed: 3.06 ft at 1:15PM Jan 22, 2020Observed: 3.06 ft at 1:30PM Jan 22, 2020Observed: 3.06 ft at 1:45PM Jan 22, 2020Observed: 3.05 ft at 2:00PM Jan 22, 2020Observed: 3.06 ft at 2:15PM Jan 22, 2020Observed: 3.06 ft at 2:30PM Jan 22, 2020Observed: 3.06 ft at 2:45PM Jan 22, 2020Observed: 3.06 ft at 3:00PM Jan 22, 2020Observed: 3.05 ft at 3:15PM Jan 22, 2020Observed: 3.05 ft at 3:30PM Jan 22, 2020Observed: 3.05 ft at 3:45PM Jan 22, 2020Observed: 3.05 ft at 4:00PM Jan 22, 2020Observed: 3.06 ft at 4:15PM Jan 22, 2020Observed: 3.05 ft at 4:30PM Jan 22, 2020Observed: 3.05 ft at 4:45PM Jan 22, 2020Observed: 3.05 ft at 5:00PM Jan 22, 2020Observed: 3.05 ft at 5:15PM Jan 22, 2020Observed: 3.05 ft at 5:30PM Jan 22, 2020Observed: 3.06 ft at 5:45PM Jan 22, 2020Observed: 3.05 ft at 6:00PM Jan 22, 2020Observed: 3.05 ft at 6:15PM Jan 22, 2020Observed: 3.06 ft at 6:30PM Jan 22, 2020Observed: 3.06 ft at 6:45PM Jan 22, 2020Observed: 3.06 ft at 7:00PM Jan 22, 2020Observed: 3.06 ft at 7:15PM Jan 22, 2020Observed: 3.06 ft at 7:30PM Jan 22, 2020Observed: 3.05 ft at 7:45PM Jan 22, 2020Observed: 3.06 ft at 8:00PM Jan 22, 2020Observed: 3.06 ft at 8:15PM Jan 22, 2020Observed: 3.06 ft at 8:30PM Jan 22, 2020Observed: 3.06 ft at 8:45PM Jan 22, 2020Observed: 3.06 ft at 9:00PM Jan 22, 2020Observed: 3.06 ft at 9:15PM Jan 22, 2020Observed: 3.06 ft at 9:30PM Jan 22, 2020Observed: 3.06 ft at 9:45PM Jan 22, 2020Observed: 3.06 ft at 10:00PM Jan 22, 2020Observed: 3.06 ft at 10:15PM Jan 22, 2020Observed: 3.06 ft at 10:30PM Jan 22, 2020Observed: 3.06 ft at 10:31PM Jan 22, 2020Observed: 3.06 ft at 10:45PM Jan 22, 2020Observed: 3.06 ft at 10:46PM Jan 22, 2020Observed: 3.06 ft at 11:00PM Jan 22, 2020Observed: 3.06 ft at 11:01PM Jan 22, 2020Observed: 3.06 ft at 11:15PM Jan 22, 2020Observed: 3.06 ft at 11:30PM Jan 22, 2020Observed: 3.06 ft at 11:45PM Jan 22, 2020Observed: 3.06 ft at 12:00AM Jan 23, 2020Observed: 3.06 ft at 12:15AM Jan 23, 2020Observed: 3.06 ft at 12:30AM Jan 23, 2020Observed: 3.06 ft at 12:45AM Jan 23, 2020Observed: 3.06 ft at 1:00AM Jan 23, 2020Observed: 3.06 ft at 1:15AM Jan 23, 2020Observed: 3.06 ft at 1:30AM Jan 23, 2020Observed: 3.06 ft at 1:45AM Jan 23, 2020Observed: 3.06 ft at 2:00AM Jan 23, 2020Observed: 3.05 ft at 2:15AM Jan 23, 2020Observed: 3.06 ft at 2:30AM Jan 23, 2020Observed: 3.06 ft at 2:45AM Jan 23, 2020Observed: 3.05 ft at 3:00AM Jan 23, 2020Observed: 3.05 ft at 3:15AM Jan 23, 2020Observed: 3.05 ft at 3:30AM Jan 23, 2020Observed: 3.05 ft at 3:45AM Jan 23, 2020Observed: 3.05 ft at 4:00AM Jan 23, 2020Observed: 3.05 ft at 4:15AM Jan 23, 2020Observed: 3.05 ft at 4:30AM Jan 23, 2020Observed: 3.05 ft at 4:45AM Jan 23, 2020Observed: 3.05 ft at 5:00AM Jan 23, 2020Observed: 3.05 ft at 5:15AM Jan 23, 2020Observed: 3.05 ft at 5:30AM Jan 23, 2020Observed: 3.05 ft at 5:45AM Jan 23, 2020Observed: 3.05 ft at 6:00AM Jan 23, 2020Observed: 3.05 ft at 6:15AM Jan 23, 2020Observed: 3.05 ft at 6:30AM Jan 23, 2020Observed: 3.05 ft at 6:31AM Jan 23, 2020Observed: 3.05 ft at 6:45AM Jan 23, 2020Observed: 3.05 ft at 6:46AM Jan 23, 2020Observed: 3.05 ft at 7:00AM Jan 23, 2020Observed: 3.05 ft at 7:01AM Jan 23, 2020Observed: 3.06 ft at 7:15AM Jan 23, 2020Observed: 3.05 ft at 7:30AM Jan 23, 2020Observed: 3.06 ft at 7:45AM Jan 23, 2020Observed: 3.05 ft at 8:00AM Jan 23, 2020Observed: 3.06 ft at 8:15AM Jan 23, 2020Observed: 3.06 ft at 8:30AM Jan 23, 2020Observed: 3.06 ft at 8:45AM Jan 23, 2020Observed: 3.06 ft at 9:00AM Jan 23, 2020Observed: 3.06 ft at 9:15AM Jan 23, 2020Observed: 3.06 ft at 9:30AM Jan 23, 2020Observed: 3.06 ft at 9:45AM Jan 23, 2020Observed: 3.06 ft at 10:00AM Jan 23, 2020Observed: 3.06 ft at 10:15AM Jan 23, 2020Observed: 3.06 ft at 10:30AM Jan 23, 2020Observed: 3.06 ft at 10:45AM Jan 23, 2020Observed: 3.06 ft at 11:00AM Jan 23, 2020Observed: 3.06 ft at 11:15AM Jan 23, 2020Observed: 3.07 ft at 11:30AM Jan 23, 2020Observed: 3.07 ft at 11:45AM Jan 23, 2020Observed: 3.07 ft at 12:00PM Jan 23, 2020Observed: 3.07 ft at 12:15PM Jan 23, 2020Observed: 3.07 ft at 12:30PM Jan 23, 2020Observed: 3.07 ft at 12:45PM Jan 23, 2020Observed: 3.07 ft at 1:00PM Jan 23, 2020Highest Observation: 3.08 ft at 1:15PM Jan 23, 2020Highest Observation: 3.08 ft at 1:30PM Jan 23, 2020Highest Observation: 3.08 ft at 1:45PM Jan 23, 2020Observed: 3.07 ft at 2:00PM Jan 23, 2020Highest Observation: 3.08 ft at 2:15PM Jan 23, 2020Observed: 3.07 ft at 2:30PM Jan 23, 2020Highest Observation: 3.08 ft at 2:45PM Jan 23, 2020Observed: 3.07 ft at 3:00PM Jan 23, 2020Observed: 3.07 ft at 3:15PM Jan 23, 2020Observed: 3.07 ft at 3:30PM Jan 23, 2020Observed: 3.07 ft at 3:45PM Jan 23, 2020Observed: 3.07 ft at 4:00PM Jan 23, 2020Observed: 3.07 ft at 4:15PM Jan 23, 2020Observed: 3.07 ft at 4:30PM Jan 23, 2020Observed: 3.07 ft at 4:45PM Jan 23, 2020Observed: 3.07 ft at 5:00PM Jan 23, 2020Observed: 3.07 ft at 5:15PM Jan 23, 2020Observed: 3.07 ft at 5:30PM Jan 23, 2020Observed: 3.07 ft at 5:45PM Jan 23, 2020Observed: 3.07 ft at 6:00PM Jan 23, 2020Observed: 3.07 ft at 6:15PM Jan 23, 2020Highest Observation: 3.08 ft at 6:30PM Jan 23, 2020Observed: 3.07 ft at 6:45PM Jan 23, 2020Highest Observation: 3.08 ft at 7:00PM Jan 23, 2020Highest Observation: 3.08 ft at 7:15PM Jan 23, 2020Highest Observation: 3.08 ft at 7:30PM Jan 23, 2020Highest Observation: 3.08 ft at 7:45PM Jan 23, 2020Observed: 3.07 ft at 8:00PM Jan 23, 2020Highest Observation: 3.08 ft at 8:15PM Jan 23, 2020Highest Observation: 3.08 ft at 8:30PM Jan 23, 2020Highest Observation: 3.08 ft at 8:45PM Jan 23, 2020Observed: 3.07 ft at 9:00PM Jan 23, 2020Observed: 3.07 ft at 9:15PM Jan 23, 2020Observed: 3.07 ft at 9:30PM Jan 23, 2020Observed: 3.07 ft at 9:45PM Jan 23, 2020Observed: 3.07 ft at 10:00PM Jan 23, 2020Observed: 3.07 ft at 10:15PM Jan 23, 2020Observed: 3.07 ft at 10:30PM Jan 23, 2020Observed: 3.07 ft at 10:31PM Jan 23, 2020Highest Observation: 3.08 ft at 10:45PM Jan 23, 2020Highest Observation: 3.08 ft at 10:46PM Jan 23, 2020Observed: 3.07 ft at 11:00PM Jan 23, 2020Observed: 3.07 ft at 11:01PM Jan 23, 2020Observed: 3.07 ft at 11:15PM Jan 23, 2020Highest Observation: 3.08 ft at 11:30PM Jan 23, 2020Observed: 3.07 ft at 11:45PM Jan 23, 2020Observed: 3.07 ft at 12:00AM Jan 24, 2020Observed: 3.07 ft at 12:15AM Jan 24, 2020Observed: 3.07 ft at 12:30AM Jan 24, 2020Observed: 3.07 ft at 12:45AM Jan 24, 2020Observed: 3.07 ft at 1:00AM Jan 24, 2020Observed: 3.07 ft at 1:15AM Jan 24, 2020Observed: 3.07 ft at 1:30AM Jan 24, 2020Observed: 3.07 ft at 1:45AM Jan 24, 2020Observed: 3.07 ft at 2:00AM Jan 24, 2020Observed: 3.07 ft at 2:15AM Jan 24, 2020Observed: 3.07 ft at 2:30AM Jan 24, 2020Observed: 3.07 ft at 2:45AM Jan 24, 2020Observed: 3.07 ft at 3:00AM Jan 24, 2020Observed: 3.07 ft at 3:15AM Jan 24, 2020Observed: 3.07 ft at 3:30AM Jan 24, 2020Observed: 3.07 ft at 3:45AM Jan 24, 2020Observed: 3.07 ft at 4:00AM Jan 24, 2020Observed: 3.07 ft at 4:15AM Jan 24, 2020Observed: 3.06 ft at 4:30AM Jan 24, 2020Observed: 3.06 ft at 4:45AM Jan 24, 2020Observed: 3.06 ft at 5:00AM Jan 24, 2020Observed: 3.06 ft at 5:15AM Jan 24, 2020Observed: 3.07 ft at 5:30AM Jan 24, 2020Observed: 3.06 ft at 5:45AM Jan 24, 2020Observed: 3.07 ft at 6:00AM Jan 24, 2020Observed: 3.07 ft at 6:15AM Jan 24, 2020Observed: 3.06 ft at 6:30AM Jan 24, 2020Observed: 3.07 ft at 6:45AM Jan 24, 2020Observed: 3.06 ft at 7:00AM Jan 24, 2020USGS--Water Resources of the United StatesCOSS2(plotting HGIRG) Graph Created (8:04AM Jan 24, 2020)ObservedLatest observed value: 3.06 ft at 7:00 AM CST 24-Jan-2020. Flood Stage is 8.5 ft
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Tabular Data (CST)
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NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.

NOTE: Gauge reading may be affected by ice.

NOTE: Forecasts for the Split Rock Creek at Corson are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - below Jasper Upstream Gauge
Flood Categories (in feet)
Major Flood Stage: 14
Moderate Flood Stage: 11
Flood Stage: 8.5
Action Stage: 7.5
Low Stage (in feet): -9999

Historic Crests
(1) 17.58 ft on 05/08/1993
(2) 16.16 ft on 06/17/2014
(3) 15.50 ft on 09/24/2010
(4) 15.00 ft on 04/08/1969
(5) 14.08 ft on 06/21/1984
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(P): Preliminary values subject to further review.

Recent Crests
(1) 12.92 ft on 03/14/2019 (P)
(2) 12.80 ft on 06/21/2018
(3) 5.31 ft on 05/21/2017
(4) 6.43 ft on 05/01/2016
(5) 8.56 ft on 07/07/2015
Show More Recent Crests

(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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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.
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If you notice any errors in the below information, please contact our Webmaster
14 Highway 11 north of Corson begins to flood.
11 The nursery near the mouth of Split Rock Creek begins flooding if the Big Sioux River is high enough to cause a backwater effect. Highway 11 north of Highway 42 can be flooded if Beaver Creek flows are also high.
9 The parking lot at the racetrack may be flooded.
8.5 Flooding of the lower lying agricultural land begins.
Photos
(1) Upstream View
(2) Downstream View
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Latitude: 43.616389° N, Longitude: 96.565000° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 8.5 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 Not Available Not Available 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 1304.22 ft 1312.72 ft  

Current/Historical Observations:
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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
Sioux Falls Weather Forecast Office
26 Weather Lane
Sioux Falls, SD 57104-0198
(605) 330-4247
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