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Hydrograph River at a Glance Download
Big Sioux River above Hawarden Stage (ft)Flow (cfs)Observed: 18.87 ft at 7:00PM Mar 19, 2020Observed: 18.88 ft at 7:15PM Mar 19, 2020Observed: 18.9 ft at 7:30PM Mar 19, 2020Observed: 18.88 ft at 7:45PM Mar 19, 2020Observed: 18.89 ft at 8:00PM Mar 19, 2020Observed: 18.89 ft at 8:15PM Mar 19, 2020Observed: 18.91 ft at 8:30PM Mar 19, 2020Observed: 18.9 ft at 8:45PM Mar 19, 2020Observed: 18.91 ft at 9:00PM Mar 19, 2020Observed: 18.9 ft at 9:15PM Mar 19, 2020Observed: 18.91 ft at 9:30PM Mar 19, 2020Observed: 18.92 ft at 9:45PM Mar 19, 2020Observed: 18.91 ft at 10:00PM Mar 19, 2020Observed: 18.92 ft at 10:15PM Mar 19, 2020Observed: 18.91 ft at 10:30PM Mar 19, 2020Observed: 18.89 ft at 10:45PM Mar 19, 2020Observed: 18.91 ft at 11:00PM Mar 19, 2020Observed: 18.92 ft at 11:15PM Mar 19, 2020Observed: 18.91 ft at 11:30PM Mar 19, 2020Observed: 18.91 ft at 11:45PM Mar 19, 2020Observed: 18.91 ft at 12:00AM Mar 20, 2020Observed: 18.92 ft at 12:15AM Mar 20, 2020Observed: 18.92 ft at 12:30AM Mar 20, 2020Observed: 18.92 ft at 12:32AM Mar 20, 2020Observed: 18.92 ft at 12:45AM Mar 20, 2020Observed: 18.92 ft at 12:47AM Mar 20, 2020Observed: 18.91 ft at 1:00AM Mar 20, 2020Observed: 18.91 ft at 1:02AM Mar 20, 2020Observed: 18.92 ft at 1:15AM Mar 20, 2020Observed: 18.92 ft at 1:30AM Mar 20, 2020Observed: 18.93 ft at 1:45AM Mar 20, 2020Observed: 18.92 ft at 2:00AM Mar 20, 2020Observed: 18.92 ft at 2:15AM Mar 20, 2020Observed: 18.92 ft at 2:30AM Mar 20, 2020Observed: 18.93 ft at 2:45AM Mar 20, 2020Observed: 18.93 ft at 3:00AM Mar 20, 2020Observed: 18.91 ft at 3:15AM Mar 20, 2020Observed: 18.94 ft at 3:30AM Mar 20, 2020Observed: 18.91 ft at 3:45AM Mar 20, 2020Observed: 18.91 ft at 4:00AM Mar 20, 2020Observed: 18.92 ft at 4:15AM Mar 20, 2020Observed: 18.94 ft at 4:30AM Mar 20, 2020Observed: 18.94 ft at 4:45AM Mar 20, 2020Observed: 18.93 ft at 5:00AM Mar 20, 2020Observed: 18.92 ft at 5:15AM Mar 20, 2020Observed: 18.95 ft at 5:30AM Mar 20, 2020Observed: 18.95 ft at 5:45AM Mar 20, 2020Observed: 18.94 ft at 6:00AM Mar 20, 2020Observed: 18.95 ft at 6:15AM Mar 20, 2020Observed: 18.94 ft at 6:30AM Mar 20, 2020Observed: 18.93 ft at 6:45AM Mar 20, 2020Observed: 18.92 ft at 7:00AM Mar 20, 2020Observed: 18.94 ft at 7:15AM Mar 20, 2020Observed: 18.91 ft at 7:30AM Mar 20, 2020Observed: 18.92 ft at 7:45AM Mar 20, 2020Observed: 18.92 ft at 8:00AM Mar 20, 2020Observed: 18.94 ft at 8:15AM Mar 20, 2020Observed: 18.92 ft at 8:30AM Mar 20, 2020Observed: 18.92 ft at 8:31AM Mar 20, 2020Observed: 18.9 ft at 8:45AM Mar 20, 2020Observed: 18.9 ft at 8:46AM Mar 20, 2020Observed: 18.92 ft at 9:00AM Mar 20, 2020Observed: 18.92 ft at 9:01AM Mar 20, 2020Observed: 18.91 ft at 9:15AM Mar 20, 2020Observed: 18.93 ft at 9:30AM Mar 20, 2020Observed: 18.93 ft at 9:45AM Mar 20, 2020Observed: 18.92 ft at 10:00AM Mar 20, 2020Observed: 18.93 ft at 10:15AM Mar 20, 2020Observed: 18.92 ft at 10:30AM Mar 20, 2020Observed: 18.92 ft at 10:45AM Mar 20, 2020Observed: 18.94 ft at 11:00AM Mar 20, 2020Observed: 18.94 ft at 11:15AM Mar 20, 2020Observed: 18.94 ft at 11:30AM Mar 20, 2020Observed: 18.94 ft at 11:45AM Mar 20, 2020Observed: 18.93 ft at 12:00PM Mar 20, 2020Observed: 18.96 ft at 12:15PM Mar 20, 2020Observed: 18.95 ft at 12:30PM Mar 20, 2020Observed: 18.94 ft at 12:45PM Mar 20, 2020Observed: 18.96 ft at 1:00PM Mar 20, 2020Observed: 18.95 ft at 1:15PM Mar 20, 2020Observed: 18.95 ft at 1:30PM Mar 20, 2020Observed: 18.96 ft at 1:45PM Mar 20, 2020Observed: 18.95 ft at 2:00PM Mar 20, 2020Observed: 18.95 ft at 2:15PM Mar 20, 2020Observed: 18.97 ft at 2:30PM Mar 20, 2020Observed: 18.95 ft at 2:45PM Mar 20, 2020Observed: 18.96 ft at 3:00PM Mar 20, 2020Observed: 18.97 ft at 3:15PM Mar 20, 2020Observed: 18.94 ft at 3:30PM Mar 20, 2020Observed: 18.97 ft at 3:45PM Mar 20, 2020Observed: 18.94 ft at 4:00PM Mar 20, 2020Observed: 18.93 ft at 4:15PM Mar 20, 2020Observed: 18.95 ft at 4:30PM Mar 20, 2020Observed: 18.95 ft at 4:31PM Mar 20, 2020Observed: 18.95 ft at 4:45PM Mar 20, 2020Observed: 18.95 ft at 4:46PM Mar 20, 2020Observed: 18.96 ft at 5:00PM Mar 20, 2020Observed: 18.96 ft at 5:01PM Mar 20, 2020Observed: 18.96 ft at 5:15PM Mar 20, 2020Observed: 18.95 ft at 5:30PM Mar 20, 2020Observed: 18.95 ft at 5:45PM Mar 20, 2020Observed: 18.94 ft at 6:00PM Mar 20, 2020Observed: 18.94 ft at 6:15PM Mar 20, 2020Observed: 18.94 ft at 6:30PM Mar 20, 2020Observed: 18.94 ft at 6:45PM Mar 20, 2020Observed: 18.91 ft at 7:00PM Mar 20, 2020Observed: 18.95 ft at 7:15PM Mar 20, 2020Observed: 18.95 ft at 7:30PM Mar 20, 2020Observed: 18.94 ft at 7:45PM Mar 20, 2020Observed: 18.94 ft at 8:00PM Mar 20, 2020Observed: 18.95 ft at 8:15PM Mar 20, 2020Observed: 18.96 ft at 8:30PM Mar 20, 2020Observed: 18.94 ft at 8:45PM Mar 20, 2020Observed: 18.96 ft at 9:00PM Mar 20, 2020Observed: 18.95 ft at 9:15PM Mar 20, 2020Observed: 18.96 ft at 9:30PM Mar 20, 2020Observed: 18.93 ft at 9:45PM Mar 20, 2020Observed: 18.95 ft at 10:00PM Mar 20, 2020Observed: 18.97 ft at 10:15PM Mar 20, 2020Observed: 18.96 ft at 10:30PM Mar 20, 2020Observed: 18.94 ft at 10:45PM Mar 20, 2020Observed: 18.96 ft at 11:00PM Mar 20, 2020Observed: 18.97 ft at 11:15PM Mar 20, 2020Observed: 18.96 ft at 11:30PM Mar 20, 2020Observed: 18.96 ft at 11:45PM Mar 20, 2020Observed: 18.96 ft at 12:00AM Mar 21, 2020Observed: 18.96 ft at 12:15AM Mar 21, 2020Observed: 18.97 ft at 12:30AM Mar 21, 2020Observed: 18.97 ft at 12:32AM Mar 21, 2020Observed: 18.97 ft at 12:45AM Mar 21, 2020Observed: 18.97 ft at 12:47AM Mar 21, 2020Observed: 18.96 ft at 1:00AM Mar 21, 2020Observed: 18.96 ft at 1:02AM Mar 21, 2020Observed: 18.98 ft at 1:15AM Mar 21, 2020Observed: 18.98 ft at 1:30AM Mar 21, 2020Observed: 18.97 ft at 1:45AM Mar 21, 2020Observed: 18.97 ft at 2:00AM Mar 21, 2020Observed: 18.96 ft at 2:15AM Mar 21, 2020Observed: 18.96 ft at 2:30AM Mar 21, 2020Observed: 18.98 ft at 2:45AM Mar 21, 2020Observed: 18.96 ft at 3:00AM Mar 21, 2020Observed: 18.98 ft at 3:15AM Mar 21, 2020Observed: 18.97 ft at 3:30AM Mar 21, 2020Observed: 18.97 ft at 3:45AM Mar 21, 2020Observed: 18.95 ft at 4:00AM Mar 21, 2020Observed: 18.98 ft at 4:15AM Mar 21, 2020Observed: 18.96 ft at 4:30AM Mar 21, 2020Observed: 18.95 ft at 4:45AM Mar 21, 2020Observed: 18.94 ft at 5:00AM Mar 21, 2020Observed: 18.94 ft at 5:15AM Mar 21, 2020Observed: 18.94 ft at 5:30AM Mar 21, 2020Observed: 18.94 ft at 5:45AM Mar 21, 2020Observed: 18.95 ft at 6:00AM Mar 21, 2020Observed: 18.94 ft at 6:15AM Mar 21, 2020Observed: 18.94 ft at 6:30AM Mar 21, 2020Observed: 18.93 ft at 6:45AM Mar 21, 2020Observed: 18.95 ft at 7:00AM Mar 21, 2020Observed: 18.94 ft at 7:15AM Mar 21, 2020Observed: 18.94 ft at 7:30AM Mar 21, 2020Observed: 18.92 ft at 7:45AM Mar 21, 2020Observed: 18.92 ft at 8:00AM Mar 21, 2020Observed: 18.93 ft at 8:15AM Mar 21, 2020Observed: 18.92 ft at 8:30AM Mar 21, 2020Observed: 18.91 ft at 8:45AM Mar 21, 2020Observed: 18.91 ft at 8:46AM Mar 21, 2020Observed: 18.91 ft at 9:00AM Mar 21, 2020Observed: 18.91 ft at 9:01AM Mar 21, 2020Observed: 18.91 ft at 9:15AM Mar 21, 2020Observed: 18.91 ft at 9:16AM Mar 21, 2020Observed: 18.9 ft at 9:30AM Mar 21, 2020Observed: 18.9 ft at 9:45AM Mar 21, 2020Observed: 18.89 ft at 10:00AM Mar 21, 2020Observed: 18.88 ft at 10:15AM Mar 21, 2020Observed: 18.89 ft at 10:30AM Mar 21, 2020Observed: 18.88 ft at 10:45AM Mar 21, 2020Observed: 18.89 ft at 11:00AM Mar 21, 2020Observed: 18.86 ft at 11:15AM Mar 21, 2020Observed: 18.87 ft at 11:30AM Mar 21, 2020Observed: 18.87 ft at 11:45AM Mar 21, 2020Observed: 18.87 ft at 12:00PM Mar 21, 2020Observed: 18.85 ft at 12:15PM Mar 21, 2020Observed: 18.85 ft at 12:30PM Mar 21, 2020Observed: 18.86 ft at 12:45PM Mar 21, 2020Observed: 18.86 ft at 1:00PM Mar 21, 2020Observed: 18.86 ft at 1:15PM Mar 21, 2020Observed: 18.86 ft at 1:30PM Mar 21, 2020Observed: 18.84 ft at 1:45PM Mar 21, 2020Observed: 18.83 ft at 2:00PM Mar 21, 2020Observed: 18.84 ft at 2:15PM Mar 21, 2020Observed: 18.82 ft at 2:30PM Mar 21, 2020Observed: 18.83 ft at 2:45PM Mar 21, 2020Observed: 18.83 ft at 3:00PM Mar 21, 2020Observed: 18.84 ft at 3:15PM Mar 21, 2020Observed: 18.82 ft at 3:30PM Mar 21, 2020Observed: 18.83 ft at 3:45PM Mar 21, 2020Observed: 18.83 ft at 4:00PM Mar 21, 2020Observed: 18.84 ft at 4:15PM Mar 21, 2020Observed: 18.83 ft at 4:30PM Mar 21, 2020Observed: 18.85 ft at 4:45PM Mar 21, 2020Observed: 18.85 ft at 4:47PM Mar 21, 2020Observed: 18.85 ft at 5:00PM Mar 21, 2020Observed: 18.85 ft at 5:02PM Mar 21, 2020Observed: 18.86 ft at 5:15PM Mar 21, 2020Observed: 18.86 ft at 5:17PM Mar 21, 2020Observed: 18.84 ft at 5:30PM Mar 21, 2020Observed: 18.84 ft at 5:45PM Mar 21, 2020Observed: 18.86 ft at 6:00PM Mar 21, 2020Observed: 18.86 ft at 6:15PM Mar 21, 2020Observed: 18.85 ft at 6:30PM Mar 21, 2020Observed: 18.87 ft at 6:45PM Mar 21, 2020Observed: 18.86 ft at 7:00PM Mar 21, 2020Observed: 18.87 ft at 7:15PM Mar 21, 2020Observed: 18.88 ft at 7:30PM Mar 21, 2020Observed: 18.86 ft at 7:45PM Mar 21, 2020Observed: 18.88 ft at 8:00PM Mar 21, 2020Observed: 18.88 ft at 8:15PM Mar 21, 2020Observed: 18.89 ft at 8:30PM Mar 21, 2020Observed: 18.91 ft at 8:45PM Mar 21, 2020Observed: 18.9 ft at 9:00PM Mar 21, 2020Observed: 18.89 ft at 9:15PM Mar 21, 2020Observed: 18.9 ft at 9:30PM Mar 21, 2020Observed: 18.9 ft at 9:45PM Mar 21, 2020Observed: 18.89 ft at 10:00PM Mar 21, 2020Observed: 18.9 ft at 10:15PM Mar 21, 2020Observed: 18.92 ft at 10:30PM Mar 21, 2020Observed: 18.92 ft at 10:45PM Mar 21, 2020Observed: 18.92 ft at 11:00PM Mar 21, 2020Observed: 18.91 ft at 11:15PM Mar 21, 2020Observed: 18.93 ft at 11:30PM Mar 21, 2020Observed: 18.92 ft at 11:45PM Mar 21, 2020Observed: 18.93 ft at 12:00AM Mar 22, 2020Observed: 18.93 ft at 12:15AM Mar 22, 2020Observed: 18.93 ft at 12:30AM Mar 22, 2020Observed: 18.92 ft at 12:45AM Mar 22, 2020Observed: 18.92 ft at 12:46AM Mar 22, 2020Observed: 18.94 ft at 1:00AM Mar 22, 2020Observed: 18.94 ft at 1:01AM Mar 22, 2020Observed: 18.94 ft at 1:15AM Mar 22, 2020Observed: 18.94 ft at 1:16AM Mar 22, 2020Observed: 18.94 ft at 1:30AM Mar 22, 2020Observed: 18.93 ft at 1:45AM Mar 22, 2020Observed: 18.93 ft at 2:00AM Mar 22, 2020Observed: 18.93 ft at 2:15AM Mar 22, 2020Observed: 18.92 ft at 2:30AM Mar 22, 2020Observed: 18.92 ft at 2:45AM Mar 22, 2020Observed: 18.93 ft at 3:00AM Mar 22, 2020Observed: 18.94 ft at 3:15AM Mar 22, 2020Observed: 18.95 ft at 3:30AM Mar 22, 2020Observed: 18.94 ft at 3:45AM Mar 22, 2020Observed: 18.92 ft at 4:00AM Mar 22, 2020Observed: 18.94 ft at 4:15AM Mar 22, 2020Observed: 18.93 ft at 4:30AM Mar 22, 2020Observed: 18.93 ft at 4:45AM Mar 22, 2020Observed: 18.91 ft at 5:00AM Mar 22, 2020Observed: 18.93 ft at 5:15AM Mar 22, 2020Observed: 18.93 ft at 5:30AM Mar 22, 2020Observed: 18.93 ft at 5:45AM Mar 22, 2020Observed: 18.94 ft at 6:00AM Mar 22, 2020Observed: 18.93 ft at 6:15AM Mar 22, 2020Observed: 18.95 ft at 6:30AM Mar 22, 2020Observed: 18.96 ft at 6:45AM Mar 22, 2020Observed: 18.94 ft at 7:00AM Mar 22, 2020Observed: 18.95 ft at 7:15AM Mar 22, 2020Observed: 18.92 ft at 7:30AM Mar 22, 2020Observed: 18.95 ft at 7:45AM Mar 22, 2020Observed: 18.94 ft at 8:00AM Mar 22, 2020Observed: 18.92 ft at 8:15AM Mar 22, 2020Observed: 18.92 ft at 8:30AM Mar 22, 2020Observed: 18.93 ft at 8:45AM Mar 22, 2020Observed: 18.93 ft at 8:46AM Mar 22, 2020Observed: 18.94 ft at 9:00AM Mar 22, 2020Observed: 18.94 ft at 9:01AM Mar 22, 2020Observed: 18.92 ft at 9:15AM Mar 22, 2020Observed: 18.92 ft at 9:16AM Mar 22, 2020Observed: 18.91 ft at 9:30AM Mar 22, 2020Observed: 18.91 ft at 9:45AM Mar 22, 2020Observed: 18.91 ft at 10:00AM Mar 22, 2020Observed: 18.94 ft at 10:15AM Mar 22, 2020Observed: 18.93 ft at 10:30AM Mar 22, 2020Observed: 18.91 ft at 10:45AM Mar 22, 2020Observed: 18.93 ft at 11:00AM Mar 22, 2020Observed: 18.91 ft at 11:15AM Mar 22, 2020Observed: 18.93 ft at 11:30AM Mar 22, 2020Observed: 18.92 ft at 11:45AM Mar 22, 2020Observed: 18.9 ft at 12:00PM Mar 22, 2020Observed: 18.9 ft at 12:15PM Mar 22, 2020Observed: 18.9 ft at 12:30PM Mar 22, 2020Observed: 18.9 ft at 12:45PM Mar 22, 2020Observed: 18.91 ft at 1:00PM Mar 22, 2020Observed: 18.91 ft at 1:15PM Mar 22, 2020Observed: 18.91 ft at 1:30PM Mar 22, 2020Observed: 18.89 ft at 1:45PM Mar 22, 2020Observed: 18.9 ft at 2:00PM Mar 22, 2020Observed: 18.91 ft at 2:15PM Mar 22, 2020Observed: 18.91 ft at 2:30PM Mar 22, 2020Observed: 18.89 ft at 2:45PM Mar 22, 2020Observed: 18.89 ft at 3:00PM Mar 22, 2020Observed: 18.9 ft at 3:15PM Mar 22, 2020Observed: 18.9 ft at 3:30PM Mar 22, 2020Observed: 18.9 ft at 3:45PM Mar 22, 2020Observed: 18.89 ft at 4:00PM Mar 22, 2020Observed: 18.9 ft at 4:15PM Mar 22, 2020Observed: 18.89 ft at 4:30PM Mar 22, 2020Observed: 18.89 ft at 4:45PM Mar 22, 2020Observed: 18.89 ft at 4:46PM Mar 22, 2020Observed: 18.88 ft at 5:00PM Mar 22, 2020Observed: 18.88 ft at 5:01PM Mar 22, 2020Observed: 18.89 ft at 5:15PM Mar 22, 2020Observed: 18.89 ft at 5:16PM Mar 22, 2020Observed: 18.87 ft at 5:30PM Mar 22, 2020Observed: 18.88 ft at 5:45PM Mar 22, 2020Observed: 18.87 ft at 6:00PM Mar 22, 2020Observed: 18.86 ft at 6:15PM Mar 22, 2020Observed: 18.86 ft at 6:30PM Mar 22, 2020Observed: 18.86 ft at 6:45PM Mar 22, 2020Observed: 18.84 ft at 7:00PM Mar 22, 2020Observed: 18.86 ft at 7:15PM Mar 22, 2020Observed: 18.86 ft at 7:30PM Mar 22, 2020Observed: 18.86 ft at 7:45PM Mar 22, 2020Observed: 18.85 ft at 8:00PM Mar 22, 2020Observed: 18.84 ft at 8:15PM Mar 22, 2020Observed: 18.84 ft at 8:30PM Mar 22, 2020Observed: 18.84 ft at 8:45PM Mar 22, 2020Observed: 18.82 ft at 9:00PM Mar 22, 2020Observed: 18.83 ft at 9:15PM Mar 22, 2020Observed: 18.83 ft at 9:30PM Mar 22, 2020Observed: 18.83 ft at 9:45PM Mar 22, 2020Observed: 18.83 ft at 10:00PM Mar 22, 2020Observed: 18.82 ft at 10:15PM Mar 22, 2020Observed: 18.82 ft at 10:30PM Mar 22, 2020Observed: 18.83 ft at 10:45PM Mar 22, 2020Observed: 18.82 ft at 11:00PM Mar 22, 2020Observed: 18.79 ft at 11:15PM Mar 22, 2020Observed: 18.81 ft at 11:30PM Mar 22, 2020Observed: 18.8 ft at 11:45PM Mar 22, 2020Observed: 18.79 ft at 12:00AM Mar 23, 2020Observed: 18.8 ft at 12:15AM Mar 23, 2020Observed: 18.8 ft at 12:30AM Mar 23, 2020Observed: 18.8 ft at 12:45AM Mar 23, 2020Observed: 18.8 ft at 12:47AM Mar 23, 2020Observed: 18.8 ft at 1:00AM Mar 23, 2020Observed: 18.8 ft at 1:02AM Mar 23, 2020Observed: 18.79 ft at 1:15AM Mar 23, 2020Observed: 18.79 ft at 1:17AM Mar 23, 2020Observed: 18.8 ft at 1:30AM Mar 23, 2020Observed: 18.79 ft at 1:45AM Mar 23, 2020Observed: 18.79 ft at 2:00AM Mar 23, 2020Observed: 18.79 ft at 2:15AM Mar 23, 2020Observed: 18.77 ft at 2:30AM Mar 23, 2020Observed: 18.78 ft at 2:45AM Mar 23, 2020Observed: 18.79 ft at 3:00AM Mar 23, 2020Observed: 18.77 ft at 3:15AM Mar 23, 2020Observed: 18.79 ft at 3:30AM Mar 23, 2020Observed: 18.75 ft at 3:45AM Mar 23, 2020Observed: 18.76 ft at 4:00AM Mar 23, 2020Observed: 18.77 ft at 4:15AM Mar 23, 2020Observed: 18.75 ft at 4:30AM Mar 23, 2020Observed: 18.75 ft at 4:45AM Mar 23, 2020Observed: 18.77 ft at 5:00AM Mar 23, 2020Observed: 18.76 ft at 5:15AM Mar 23, 2020Observed: 18.75 ft at 5:30AM Mar 23, 2020Observed: 18.74 ft at 5:45AM Mar 23, 2020Observed: 18.73 ft at 6:00AM Mar 23, 2020Observed: 18.74 ft at 6:15AM Mar 23, 2020Observed: 18.74 ft at 6:30AM Mar 23, 2020Observed: 18.74 ft at 6:45AM Mar 23, 2020Observed: 18.73 ft at 7:00AM Mar 23, 2020Observed: 18.73 ft at 7:15AM Mar 23, 2020Observed: 18.73 ft at 7:30AM Mar 23, 2020Observed: 18.74 ft at 7:45AM Mar 23, 2020Observed: 18.74 ft at 8:00AM Mar 23, 2020Observed: 18.72 ft at 8:15AM Mar 23, 2020Observed: 18.73 ft at 8:30AM Mar 23, 2020Observed: 18.72 ft at 8:45AM Mar 23, 2020Observed: 18.72 ft at 8:46AM Mar 23, 2020Observed: 18.74 ft at 9:00AM Mar 23, 2020Observed: 18.74 ft at 9:01AM Mar 23, 2020Observed: 18.72 ft at 9:15AM Mar 23, 2020Observed: 18.72 ft at 9:16AM Mar 23, 2020Observed: 18.73 ft at 9:30AM Mar 23, 2020Observed: 18.73 ft at 9:45AM Mar 23, 2020Observed: 18.71 ft at 10:00AM Mar 23, 2020Observed: 18.72 ft at 10:15AM Mar 23, 2020Observed: 18.71 ft at 10:30AM Mar 23, 2020Observed: 18.72 ft at 10:45AM Mar 23, 2020Observed: 18.72 ft at 11:00AM Mar 23, 2020Observed: 18.73 ft at 11:15AM Mar 23, 2020Observed: 18.72 ft at 11:30AM Mar 23, 2020Observed: 18.72 ft at 11:45AM Mar 23, 2020Observed: 18.72 ft at 12:00PM Mar 23, 2020Observed: 18.72 ft at 12:15PM Mar 23, 2020Observed: 18.74 ft at 12:30PM Mar 23, 2020Observed: 18.74 ft at 12:45PM Mar 23, 2020Observed: 18.74 ft at 1:00PM Mar 23, 2020Observed: 18.72 ft at 1:15PM Mar 23, 2020Observed: 18.72 ft at 1:30PM Mar 23, 2020Observed: 18.72 ft at 1:45PM Mar 23, 2020Observed: 18.71 ft at 2:00PM Mar 23, 2020Observed: 18.75 ft at 2:15PM Mar 23, 2020Observed: 18.72 ft at 2:30PM Mar 23, 2020Observed: 18.73 ft at 2:45PM Mar 23, 2020Observed: 18.71 ft at 3:00PM Mar 23, 2020Observed: 18.72 ft at 3:15PM Mar 23, 2020Observed: 18.74 ft at 3:30PM Mar 23, 2020Observed: 18.73 ft at 3:45PM Mar 23, 2020Observed: 18.74 ft at 4:00PM Mar 23, 2020Observed: 18.72 ft at 4:15PM Mar 23, 2020Observed: 18.72 ft at 4:30PM Mar 23, 2020Observed: 18.72 ft at 4:45PM Mar 23, 2020Observed: 18.72 ft at 4:46PM Mar 23, 2020Observed: 18.73 ft at 5:00PM Mar 23, 2020Observed: 18.73 ft at 5:01PM Mar 23, 2020Observed: 18.71 ft at 5:15PM Mar 23, 2020Observed: 18.71 ft at 5:16PM Mar 23, 2020Observed: 18.7 ft at 5:30PM Mar 23, 2020Observed: 18.72 ft at 5:45PM Mar 23, 2020Observed: 18.71 ft at 6:00PM Mar 23, 2020Observed: 18.71 ft at 6:15PM Mar 23, 2020Observed: 18.74 ft at 6:30PM Mar 23, 2020Observed: 18.73 ft at 6:45PM Mar 23, 2020Observed: 18.71 ft at 7:00PM Mar 23, 2020Observed: 18.73 ft at 7:15PM Mar 23, 2020Observed: 18.72 ft at 7:30PM Mar 23, 2020Observed: 18.73 ft at 7:45PM Mar 23, 2020Observed: 18.71 ft at 8:00PM Mar 23, 2020Observed: 18.72 ft at 8:15PM Mar 23, 2020Observed: 18.75 ft at 8:30PM Mar 23, 2020Observed: 18.74 ft at 8:45PM Mar 23, 2020Observed: 18.73 ft at 9:00PM Mar 23, 2020Observed: 18.75 ft at 9:15PM Mar 23, 2020Observed: 18.74 ft at 9:30PM Mar 23, 2020Observed: 18.75 ft at 9:45PM Mar 23, 2020Observed: 18.74 ft at 10:00PM Mar 23, 2020Observed: 18.76 ft at 10:15PM Mar 23, 2020Observed: 18.74 ft at 10:30PM Mar 23, 2020Observed: 18.71 ft at 10:45PM Mar 23, 2020Observed: 18.73 ft at 11:00PM Mar 23, 2020Observed: 18.74 ft at 11:15PM Mar 23, 2020Observed: 18.75 ft at 11:30PM Mar 23, 2020Observed: 18.73 ft at 11:45PM Mar 23, 2020Observed: 18.74 ft at 12:00AM Mar 24, 2020Observed: 18.74 ft at 12:15AM Mar 24, 2020Observed: 18.75 ft at 12:30AM Mar 24, 2020Observed: 18.74 ft at 12:45AM Mar 24, 2020Observed: 18.74 ft at 12:47AM Mar 24, 2020Observed: 18.75 ft at 1:00AM Mar 24, 2020Observed: 18.75 ft at 1:02AM Mar 24, 2020Observed: 18.75 ft at 1:15AM Mar 24, 2020Observed: 18.75 ft at 1:17AM Mar 24, 2020Observed: 18.77 ft at 1:30AM Mar 24, 2020Observed: 18.78 ft at 1:45AM Mar 24, 2020Observed: 18.74 ft at 2:00AM Mar 24, 2020Observed: 18.75 ft at 2:15AM Mar 24, 2020Observed: 18.75 ft at 2:30AM Mar 24, 2020Observed: 18.73 ft at 2:45AM Mar 24, 2020Observed: 18.75 ft at 3:00AM Mar 24, 2020Observed: 18.78 ft at 3:15AM Mar 24, 2020Observed: 18.76 ft at 3:30AM Mar 24, 2020Observed: 18.76 ft at 3:45AM Mar 24, 2020Observed: 18.75 ft at 4:00AM Mar 24, 2020Observed: 18.76 ft at 4:15AM Mar 24, 2020Observed: 18.73 ft at 4:30AM Mar 24, 2020Observed: 18.76 ft at 4:45AM Mar 24, 2020Observed: 18.74 ft at 5:00AM Mar 24, 2020Observed: 18.74 ft at 5:15AM Mar 24, 2020Observed: 18.76 ft at 5:30AM Mar 24, 2020Observed: 18.77 ft at 5:45AM Mar 24, 2020Observed: 18.75 ft at 6:00AM Mar 24, 2020Observed: 18.76 ft at 6:15AM Mar 24, 2020Observed: 18.77 ft at 6:30AM Mar 24, 2020Observed: 18.76 ft at 6:45AM Mar 24, 2020Observed: 18.76 ft at 7:00AM Mar 24, 2020Observed: 18.76 ft at 7:15AM Mar 24, 2020Observed: 18.76 ft at 7:30AM Mar 24, 2020Observed: 18.78 ft at 7:45AM Mar 24, 2020Observed: 18.77 ft at 8:00AM Mar 24, 2020Observed: 18.77 ft at 8:15AM Mar 24, 2020Observed: 18.79 ft at 8:30AM Mar 24, 2020Observed: 18.76 ft at 8:45AM Mar 24, 2020Observed: 18.76 ft at 8:46AM Mar 24, 2020Observed: 18.75 ft at 9:00AM Mar 24, 2020Observed: 18.75 ft at 9:01AM Mar 24, 2020Observed: 18.79 ft at 9:15AM Mar 24, 2020Observed: 18.79 ft at 9:16AM Mar 24, 2020Observed: 18.77 ft at 9:30AM Mar 24, 2020Observed: 18.78 ft at 9:45AM Mar 24, 2020Observed: 18.78 ft at 10:00AM Mar 24, 2020Observed: 18.78 ft at 10:15AM Mar 24, 2020Observed: 18.78 ft at 10:30AM Mar 24, 2020Observed: 18.78 ft at 10:45AM Mar 24, 2020Observed: 18.79 ft at 11:00AM Mar 24, 2020Observed: 18.8 ft at 11:15AM Mar 24, 2020Observed: 18.79 ft at 11:30AM Mar 24, 2020Observed: 18.78 ft at 11:45AM Mar 24, 2020Observed: 18.77 ft at 12:00PM Mar 24, 2020Observed: 18.79 ft at 12:15PM Mar 24, 2020Observed: 18.78 ft at 12:30PM Mar 24, 2020Observed: 18.79 ft at 12:45PM Mar 24, 2020Observed: 18.81 ft at 1:00PM Mar 24, 2020Observed: 18.81 ft at 1:15PM Mar 24, 2020Observed: 18.82 ft at 1:30PM Mar 24, 2020Observed: 18.82 ft at 1:45PM Mar 24, 2020Observed: 18.81 ft at 2:00PM Mar 24, 2020Observed: 18.82 ft at 2:15PM Mar 24, 2020Observed: 18.82 ft at 2:30PM Mar 24, 2020Observed: 18.81 ft at 2:45PM Mar 24, 2020Observed: 18.83 ft at 3:00PM Mar 24, 2020Observed: 18.82 ft at 3:15PM Mar 24, 2020Observed: 18.84 ft at 3:30PM Mar 24, 2020Observed: 18.84 ft at 3:45PM Mar 24, 2020Observed: 18.84 ft at 4:00PM Mar 24, 2020Observed: 18.85 ft at 4:15PM Mar 24, 2020Observed: 18.85 ft at 4:30PM Mar 24, 2020Observed: 18.85 ft at 4:45PM Mar 24, 2020Observed: 18.84 ft at 5:00PM Mar 24, 2020Observed: 18.84 ft at 5:02PM Mar 24, 2020Observed: 18.84 ft at 5:15PM Mar 24, 2020Observed: 18.84 ft at 5:17PM Mar 24, 2020Observed: 18.85 ft at 5:30PM Mar 24, 2020Observed: 18.85 ft at 5:32PM Mar 24, 2020Observed: 18.84 ft at 5:45PM Mar 24, 2020Observed: 18.84 ft at 6:00PM Mar 24, 2020Observed: 18.85 ft at 6:15PM Mar 24, 2020Observed: 18.84 ft at 6:30PM Mar 24, 2020Observed: 18.85 ft at 6:45PM Mar 24, 2020Observed: 18.85 ft at 7:00PM Mar 24, 2020Observed: 18.85 ft at 7:15PM Mar 24, 2020Observed: 18.86 ft at 7:30PM Mar 24, 2020Observed: 18.87 ft at 7:45PM Mar 24, 2020Observed: 18.86 ft at 8:00PM Mar 24, 2020Observed: 18.86 ft at 8:15PM Mar 24, 2020Observed: 18.87 ft at 8:30PM Mar 24, 2020Observed: 18.89 ft at 8:45PM Mar 24, 2020Observed: 18.87 ft at 9:00PM Mar 24, 2020Observed: 18.89 ft at 9:15PM Mar 24, 2020Observed: 18.89 ft at 9:30PM Mar 24, 2020Observed: 18.87 ft at 9:45PM Mar 24, 2020Observed: 18.89 ft at 10:00PM Mar 24, 2020Observed: 18.88 ft at 10:15PM Mar 24, 2020Observed: 18.89 ft at 10:30PM Mar 24, 2020Observed: 18.89 ft at 10:45PM Mar 24, 2020Observed: 18.88 ft at 11:00PM Mar 24, 2020Observed: 18.87 ft at 11:15PM Mar 24, 2020Observed: 18.87 ft at 11:30PM Mar 24, 2020Observed: 18.88 ft at 11:45PM Mar 24, 2020Observed: 18.89 ft at 12:00AM Mar 25, 2020Observed: 18.9 ft at 12:15AM Mar 25, 2020Observed: 18.88 ft at 12:30AM Mar 25, 2020Observed: 18.91 ft at 12:45AM Mar 25, 2020Observed: 18.9 ft at 1:00AM Mar 25, 2020Observed: 18.9 ft at 1:01AM Mar 25, 2020Observed: 18.89 ft at 1:15AM Mar 25, 2020Observed: 18.89 ft at 1:16AM Mar 25, 2020Observed: 18.91 ft at 1:30AM Mar 25, 2020Observed: 18.91 ft at 1:31AM Mar 25, 2020Observed: 18.9 ft at 1:45AM Mar 25, 2020Observed: 18.92 ft at 2:00AM Mar 25, 2020Observed: 18.91 ft at 2:15AM Mar 25, 2020Observed: 18.91 ft at 2:30AM Mar 25, 2020Observed: 18.92 ft at 2:45AM Mar 25, 2020Observed: 18.92 ft at 3:00AM Mar 25, 2020Observed: 18.92 ft at 3:15AM Mar 25, 2020Observed: 18.92 ft at 3:30AM Mar 25, 2020Observed: 18.9 ft at 3:45AM Mar 25, 2020Observed: 18.91 ft at 4:00AM Mar 25, 2020Observed: 18.91 ft at 4:15AM Mar 25, 2020Observed: 18.91 ft at 4:30AM Mar 25, 2020Observed: 18.94 ft at 4:45AM Mar 25, 2020Observed: 18.94 ft at 5:00AM Mar 25, 2020Observed: 18.92 ft at 5:15AM Mar 25, 2020Observed: 18.94 ft at 5:30AM Mar 25, 2020Observed: 18.94 ft at 5:45AM Mar 25, 2020Observed: 18.92 ft at 6:00AM Mar 25, 2020Observed: 18.94 ft at 6:15AM Mar 25, 2020Observed: 18.93 ft at 6:30AM Mar 25, 2020Observed: 18.96 ft at 6:45AM Mar 25, 2020Observed: 18.95 ft at 7:00AM Mar 25, 2020Observed: 18.96 ft at 7:15AM Mar 25, 2020Observed: 18.93 ft at 7:30AM Mar 25, 2020Observed: 18.95 ft at 7:45AM Mar 25, 2020Observed: 18.95 ft at 8:00AM Mar 25, 2020Observed: 18.95 ft at 8:15AM Mar 25, 2020Observed: 18.97 ft at 8:30AM Mar 25, 2020Observed: 18.96 ft at 8:45AM Mar 25, 2020Observed: 18.95 ft at 9:00AM Mar 25, 2020Observed: 18.95 ft at 9:01AM Mar 25, 2020Observed: 18.95 ft at 9:15AM Mar 25, 2020Observed: 18.95 ft at 9:16AM Mar 25, 2020Observed: 18.95 ft at 9:30AM Mar 25, 2020Observed: 18.95 ft at 9:31AM Mar 25, 2020Observed: 18.96 ft at 9:45AM Mar 25, 2020Observed: 18.96 ft at 10:00AM Mar 25, 2020Observed: 18.94 ft at 10:15AM Mar 25, 2020Observed: 18.95 ft at 10:30AM Mar 25, 2020Observed: 18.95 ft at 10:45AM Mar 25, 2020Observed: 18.94 ft at 11:00AM Mar 25, 2020Observed: 18.96 ft at 11:15AM Mar 25, 2020Observed: 18.96 ft at 11:30AM Mar 25, 2020Observed: 18.97 ft at 11:45AM Mar 25, 2020Observed: 18.97 ft at 12:00PM Mar 25, 2020Observed: 18.95 ft at 12:15PM Mar 25, 2020Observed: 18.97 ft at 12:30PM Mar 25, 2020Observed: 18.97 ft at 12:45PM Mar 25, 2020Observed: 18.98 ft at 1:00PM Mar 25, 2020Observed: 18.96 ft at 1:15PM Mar 25, 2020Observed: 18.96 ft at 1:30PM Mar 25, 2020Observed: 18.97 ft at 1:45PM Mar 25, 2020Observed: 18.97 ft at 2:00PM Mar 25, 2020Observed: 18.96 ft at 2:15PM Mar 25, 2020Observed: 18.97 ft at 2:30PM Mar 25, 2020Observed: 18.97 ft at 2:45PM Mar 25, 2020Observed: 18.98 ft at 3:00PM Mar 25, 2020Observed: 18.98 ft at 3:15PM Mar 25, 2020Observed: 18.97 ft at 3:30PM Mar 25, 2020Observed: 18.97 ft at 3:45PM Mar 25, 2020Observed: 18.98 ft at 4:00PM Mar 25, 2020Observed: 18.96 ft at 4:15PM Mar 25, 2020Observed: 18.96 ft at 4:30PM Mar 25, 2020Observed: 18.97 ft at 4:45PM Mar 25, 2020Observed: 18.97 ft at 5:00PM Mar 25, 2020Observed: 18.97 ft at 5:02PM Mar 25, 2020Observed: 18.96 ft at 5:15PM Mar 25, 2020Observed: 18.96 ft at 5:17PM Mar 25, 2020Observed: 18.99 ft at 5:30PM Mar 25, 2020Observed: 18.99 ft at 5:32PM Mar 25, 2020Observed: 18.95 ft at 5:45PM Mar 25, 2020Observed: 18.97 ft at 6:00PM Mar 25, 2020Observed: 18.98 ft at 6:15PM Mar 25, 2020Observed: 18.98 ft at 6:30PM Mar 25, 2020Observed: 18.97 ft at 6:45PM Mar 25, 2020Observed: 18.97 ft at 7:00PM Mar 25, 2020Observed: 18.96 ft at 7:15PM Mar 25, 2020Observed: 18.97 ft at 7:30PM Mar 25, 2020Observed: 18.95 ft at 7:45PM Mar 25, 2020Observed: 18.97 ft at 8:00PM Mar 25, 2020Observed: 18.98 ft at 8:15PM Mar 25, 2020Observed: 18.96 ft at 8:30PM Mar 25, 2020Observed: 18.98 ft at 8:45PM Mar 25, 2020Observed: 18.97 ft at 9:00PM Mar 25, 2020Observed: 18.97 ft at 9:15PM Mar 25, 2020Observed: 18.97 ft at 9:30PM Mar 25, 2020Observed: 18.98 ft at 9:45PM Mar 25, 2020Observed: 18.98 ft at 10:00PM Mar 25, 2020Observed: 18.96 ft at 10:15PM Mar 25, 2020Observed: 18.97 ft at 10:30PM Mar 25, 2020Observed: 18.96 ft at 10:45PM Mar 25, 2020Observed: 18.98 ft at 11:00PM Mar 25, 2020Observed: 18.97 ft at 11:15PM Mar 25, 2020Observed: 18.96 ft at 11:30PM Mar 25, 2020Observed: 18.99 ft at 11:45PM Mar 25, 2020Observed: 18.97 ft at 12:00AM Mar 26, 2020Observed: 18.97 ft at 12:15AM Mar 26, 2020Observed: 18.96 ft at 12:30AM Mar 26, 2020Observed: 18.95 ft at 12:45AM Mar 26, 2020Observed: 18.97 ft at 1:00AM Mar 26, 2020Observed: 18.97 ft at 1:01AM Mar 26, 2020Observed: 18.97 ft at 1:15AM Mar 26, 2020Observed: 18.97 ft at 1:16AM Mar 26, 2020Observed: 18.98 ft at 1:30AM Mar 26, 2020Observed: 18.98 ft at 1:31AM Mar 26, 2020Observed: 18.97 ft at 1:45AM Mar 26, 2020Observed: 18.96 ft at 2:00AM Mar 26, 2020Observed: 18.95 ft at 2:15AM Mar 26, 2020Observed: 18.93 ft at 2:30AM Mar 26, 2020Observed: 18.96 ft at 2:45AM Mar 26, 2020Observed: 18.96 ft at 3:00AM Mar 26, 2020Observed: 18.98 ft at 3:15AM Mar 26, 2020Observed: 18.97 ft at 3:30AM Mar 26, 2020Observed: 18.96 ft at 3:45AM Mar 26, 2020Observed: 18.96 ft at 4:00AM Mar 26, 2020Observed: 18.96 ft at 4:15AM Mar 26, 2020Observed: 18.97 ft at 4:30AM Mar 26, 2020Observed: 18.98 ft at 4:45AM Mar 26, 2020Observed: 18.97 ft at 5:00AM Mar 26, 2020Observed: 18.98 ft at 5:15AM Mar 26, 2020Observed: 18.99 ft at 5:30AM Mar 26, 2020Observed: 18.97 ft at 5:45AM Mar 26, 2020Observed: 18.98 ft at 6:00AM Mar 26, 2020Observed: 18.98 ft at 6:15AM Mar 26, 2020Observed: 18.98 ft at 6:30AM Mar 26, 2020Observed: 18.97 ft at 6:45AM Mar 26, 2020Observed: 18.98 ft at 7:00AM Mar 26, 2020Observed: 18.98 ft at 7:15AM Mar 26, 2020Observed: 18.98 ft at 7:30AM Mar 26, 2020Observed: 18.98 ft at 7:45AM Mar 26, 2020Observed: 18.97 ft at 8:00AM Mar 26, 2020Observed: 18.98 ft at 8:15AM Mar 26, 2020Observed: 18.99 ft at 8:30AM Mar 26, 2020Observed: 18.99 ft at 8:45AM Mar 26, 2020Observed: 18.99 ft at 9:00AM Mar 26, 2020Observed: 19 ft at 9:15AM Mar 26, 2020Observed: 18.98 ft at 9:30AM Mar 26, 2020Observed: 18.99 ft at 9:45AM Mar 26, 2020Observed: 18.99 ft at 10:00AM Mar 26, 2020Observed: 18.99 ft at 10:15AM Mar 26, 2020Observed: 18.98 ft at 10:30AM Mar 26, 2020Observed: 18.99 ft at 10:45AM Mar 26, 2020Observed: 18.98 ft at 11:00AM Mar 26, 2020Observed: 18.99 ft at 11:15AM Mar 26, 2020Observed: 19.01 ft at 11:30AM Mar 26, 2020Observed: 18.99 ft at 11:45AM Mar 26, 2020Observed: 19 ft at 12:00PM Mar 26, 2020Observed: 19 ft at 12:15PM Mar 26, 2020Observed: 18.99 ft at 12:30PM Mar 26, 2020Observed: 19 ft at 12:45PM Mar 26, 2020Observed: 18.99 ft at 1:00PM Mar 26, 2020Observed: 18.99 ft at 1:15PM Mar 26, 2020Observed: 19 ft at 1:30PM Mar 26, 2020Observed: 18.99 ft at 1:45PM Mar 26, 2020Observed: 19 ft at 2:00PM Mar 26, 2020Observed: 19.01 ft at 2:15PM Mar 26, 2020Observed: 18.99 ft at 2:30PM Mar 26, 2020Observed: 19.01 ft at 2:45PM Mar 26, 2020Observed: 18.99 ft at 3:00PM Mar 26, 2020Observed: 18.99 ft at 3:15PM Mar 26, 2020Observed: 19 ft at 3:30PM Mar 26, 2020Observed: 19 ft at 3:45PM Mar 26, 2020Observed: 19 ft at 4:00PM Mar 26, 2020Observed: 19.01 ft at 4:15PM Mar 26, 2020Observed: 19.01 ft at 4:30PM Mar 26, 2020Observed: 19 ft at 4:45PM Mar 26, 2020Observed: 19 ft at 5:00PM Mar 26, 2020Observed: 19.01 ft at 5:15PM Mar 26, 2020Observed: 19 ft at 5:30PM Mar 26, 2020Observed: 19.01 ft at 5:45PM Mar 26, 2020Observed: 18.99 ft at 6:00PM Mar 26, 2020Observed: 18.99 ft at 6:15PM Mar 26, 2020Observed: 19 ft at 6:30PM Mar 26, 2020Observed: 19 ft at 6:45PM Mar 26, 2020Observed: 19 ft at 7:00PM Mar 26, 2020Observed: 19.01 ft at 7:15PM Mar 26, 2020Observed: 18.99 ft at 7:30PM Mar 26, 2020Observed: 19 ft at 7:45PM Mar 26, 2020Observed: 19 ft at 8:00PM Mar 26, 2020Observed: 19 ft at 8:15PM Mar 26, 2020Observed: 19.01 ft at 8:30PM Mar 26, 2020Observed: 19 ft at 8:45PM Mar 26, 2020Observed: 19 ft at 9:00PM Mar 26, 2020Observed: 19 ft at 9:15PM Mar 26, 2020Observed: 19 ft at 9:30PM Mar 26, 2020Observed: 18.99 ft at 9:45PM Mar 26, 2020Observed: 19 ft at 10:00PM Mar 26, 2020Observed: 19 ft at 10:15PM Mar 26, 2020Observed: 18.99 ft at 10:30PM Mar 26, 2020Observed: 19.02 ft at 10:45PM Mar 26, 2020Observed: 19.01 ft at 11:00PM Mar 26, 2020Observed: 19 ft at 11:15PM Mar 26, 2020Observed: 19.01 ft at 11:30PM Mar 26, 2020Observed: 19.02 ft at 11:45PM Mar 26, 2020Observed: 19 ft at 12:00AM Mar 27, 2020Observed: 19.01 ft at 12:15AM Mar 27, 2020Observed: 19 ft at 12:30AM Mar 27, 2020Observed: 19 ft at 12:45AM Mar 27, 2020Observed: 19.01 ft at 1:00AM Mar 27, 2020Observed: 19.01 ft at 1:15AM Mar 27, 2020Observed: 19.02 ft at 1:30AM Mar 27, 2020Observed: 19.01 ft at 1:45AM Mar 27, 2020Observed: 18.99 ft at 2:00AM Mar 27, 2020Observed: 18.99 ft at 2:15AM Mar 27, 2020Observed: 18.99 ft at 2:30AM Mar 27, 2020Observed: 19 ft at 2:45AM Mar 27, 2020Observed: 19 ft at 3:00AM Mar 27, 2020Observed: 19 ft at 3:15AM Mar 27, 2020Observed: 19 ft at 3:30AM Mar 27, 2020Observed: 18.99 ft at 3:45AM Mar 27, 2020Observed: 18.97 ft at 4:00AM Mar 27, 2020Observed: 18.98 ft at 4:15AM Mar 27, 2020Observed: 18.99 ft at 4:30AM Mar 27, 2020Observed: 18.99 ft at 4:45AM Mar 27, 2020Observed: 18.99 ft at 5:00AM Mar 27, 2020Observed: 18.99 ft at 5:15AM Mar 27, 2020Observed: 18.99 ft at 5:30AM Mar 27, 2020Observed: 18.99 ft at 5:45AM Mar 27, 2020Observed: 18.99 ft at 6:00AM Mar 27, 2020Observed: 18.99 ft at 6:15AM Mar 27, 2020Observed: 18.99 ft at 6:30AM Mar 27, 2020Observed: 18.99 ft at 6:45AM Mar 27, 2020Observed: 18.98 ft at 7:00AM Mar 27, 2020Observed: 18.99 ft at 7:15AM Mar 27, 2020Observed: 18.98 ft at 7:30AM Mar 27, 2020Observed: 18.97 ft at 7:45AM Mar 27, 2020Observed: 18.98 ft at 8:00AM Mar 27, 2020Observed: 18.99 ft at 8:15AM Mar 27, 2020Observed: 18.98 ft at 8:30AM Mar 27, 2020Observed: 18.99 ft at 8:45AM Mar 27, 2020Observed: 18.97 ft at 9:00AM Mar 27, 2020Observed: 18.97 ft at 9:02AM Mar 27, 2020Observed: 18.97 ft at 9:15AM Mar 27, 2020Observed: 18.97 ft at 9:17AM Mar 27, 2020Observed: 18.96 ft at 9:30AM Mar 27, 2020Observed: 18.96 ft at 9:32AM Mar 27, 2020Observed: 18.98 ft at 9:45AM Mar 27, 2020Observed: 18.96 ft at 10:00AM Mar 27, 2020Observed: 18.97 ft at 10:15AM Mar 27, 2020Observed: 18.97 ft at 10:30AM Mar 27, 2020Observed: 18.97 ft at 10:45AM Mar 27, 2020Observed: 18.97 ft at 11:00AM Mar 27, 2020Observed: 18.98 ft at 11:15AM Mar 27, 2020Observed: 18.97 ft at 11:30AM Mar 27, 2020Observed: 18.96 ft at 11:45AM Mar 27, 2020Observed: 18.96 ft at 12:00PM Mar 27, 2020Observed: 18.97 ft at 12:15PM Mar 27, 2020Observed: 18.97 ft at 12:30PM Mar 27, 2020Observed: 18.96 ft at 12:45PM Mar 27, 2020Observed: 18.98 ft at 1:00PM Mar 27, 2020Observed: 18.99 ft at 1:15PM Mar 27, 2020Observed: 18.97 ft at 1:30PM Mar 27, 2020Observed: 18.96 ft at 1:45PM Mar 27, 2020Observed: 18.98 ft at 2:00PM Mar 27, 2020Observed: 18.97 ft at 2:15PM Mar 27, 2020Observed: 18.98 ft at 2:30PM Mar 27, 2020Observed: 18.98 ft at 2:45PM Mar 27, 2020Observed: 18.98 ft at 3:00PM Mar 27, 2020Observed: 18.96 ft at 3:15PM Mar 27, 2020Observed: 18.97 ft at 3:30PM Mar 27, 2020Observed: 18.96 ft at 3:45PM Mar 27, 2020Observed: 18.97 ft at 4:00PM Mar 27, 2020Observed: 18.96 ft at 4:15PM Mar 27, 2020Observed: 18.95 ft at 4:30PM Mar 27, 2020Observed: 18.95 ft at 4:45PM Mar 27, 2020Observed: 18.95 ft at 5:00PM Mar 27, 2020Observed: 18.95 ft at 5:01PM Mar 27, 2020Observed: 18.96 ft at 5:15PM Mar 27, 2020Observed: 18.96 ft at 5:16PM Mar 27, 2020Observed: 18.96 ft at 5:30PM Mar 27, 2020Observed: 18.96 ft at 5:31PM Mar 27, 2020Observed: 18.97 ft at 5:45PM Mar 27, 2020Observed: 18.96 ft at 6:00PM Mar 27, 2020Observed: 18.96 ft at 6:15PM Mar 27, 2020Observed: 18.96 ft at 6:30PM Mar 27, 2020Observed: 18.96 ft at 6:45PM Mar 27, 2020Observed: 18.96 ft at 7:00PM Mar 27, 2020Observed: 18.96 ft at 7:15PM Mar 27, 2020Observed: 18.95 ft at 7:30PM Mar 27, 2020Observed: 18.95 ft at 7:45PM Mar 27, 2020Observed: 18.95 ft at 8:00PM Mar 27, 2020Observed: 18.95 ft at 8:15PM Mar 27, 2020Observed: 18.94 ft at 8:30PM Mar 27, 2020Observed: 18.95 ft at 8:45PM Mar 27, 2020Observed: 18.94 ft at 9:00PM Mar 27, 2020Observed: 18.95 ft at 9:15PM Mar 27, 2020Observed: 18.96 ft at 9:30PM Mar 27, 2020Observed: 18.95 ft at 9:45PM Mar 27, 2020Observed: 18.96 ft at 10:00PM Mar 27, 2020Observed: 18.93 ft at 10:15PM Mar 27, 2020Observed: 18.96 ft at 10:30PM Mar 27, 2020Observed: 18.95 ft at 10:45PM Mar 27, 2020Observed: 18.95 ft at 11:00PM Mar 27, 2020Observed: 18.95 ft at 11:15PM Mar 27, 2020Observed: 18.95 ft at 11:30PM Mar 27, 2020Observed: 18.93 ft at 11:45PM Mar 27, 2020Observed: 18.96 ft at 12:00AM Mar 28, 2020Observed: 18.94 ft at 12:15AM Mar 28, 2020Observed: 18.92 ft at 12:30AM Mar 28, 2020Observed: 18.92 ft at 12:45AM Mar 28, 2020Observed: 18.93 ft at 1:00AM Mar 28, 2020Observed: 18.93 ft at 1:15AM Mar 28, 2020Observed: 18.93 ft at 1:17AM Mar 28, 2020Observed: 18.93 ft at 1:30AM Mar 28, 2020Observed: 18.93 ft at 1:32AM Mar 28, 2020Observed: 18.94 ft at 1:45AM Mar 28, 2020Observed: 18.94 ft at 1:47AM Mar 28, 2020Observed: 18.94 ft at 2:00AM Mar 28, 2020Observed: 18.94 ft at 2:15AM Mar 28, 2020Observed: 18.92 ft at 2:30AM Mar 28, 2020Observed: 18.93 ft at 2:45AM Mar 28, 2020Observed: 18.94 ft at 3:00AM Mar 28, 2020Observed: 18.94 ft at 3:15AM Mar 28, 2020Observed: 18.91 ft at 3:30AM Mar 28, 2020Observed: 18.94 ft at 3:45AM Mar 28, 2020Observed: 18.95 ft at 4:00AM Mar 28, 2020Observed: 18.94 ft at 4:15AM Mar 28, 2020Observed: 18.93 ft at 4:30AM Mar 28, 2020Observed: 18.93 ft at 4:45AM Mar 28, 2020Observed: 18.93 ft at 5:00AM Mar 28, 2020Observed: 18.92 ft at 5:15AM Mar 28, 2020Observed: 18.91 ft at 5:30AM Mar 28, 2020Observed: 18.92 ft at 5:45AM Mar 28, 2020Observed: 18.93 ft at 6:00AM Mar 28, 2020Observed: 18.93 ft at 6:15AM Mar 28, 2020Observed: 18.94 ft at 6:30AM Mar 28, 2020Observed: 18.92 ft at 6:45AM Mar 28, 2020Observed: 18.93 ft at 7:00AM Mar 28, 2020Observed: 18.91 ft at 7:15AM Mar 28, 2020Observed: 18.92 ft at 7:30AM Mar 28, 2020Observed: 18.92 ft at 7:45AM Mar 28, 2020Observed: 18.9 ft at 8:00AM Mar 28, 2020Observed: 18.94 ft at 8:15AM Mar 28, 2020Observed: 18.92 ft at 8:30AM Mar 28, 2020Observed: 18.92 ft at 8:45AM Mar 28, 2020Observed: 18.9 ft at 9:00AM Mar 28, 2020Observed: 18.91 ft at 9:15AM Mar 28, 2020Observed: 18.91 ft at 9:16AM Mar 28, 2020Observed: 18.92 ft at 9:30AM Mar 28, 2020Observed: 18.92 ft at 9:31AM Mar 28, 2020Observed: 18.91 ft at 9:45AM Mar 28, 2020Observed: 18.91 ft at 9:46AM Mar 28, 2020Observed: 18.92 ft at 10:00AM Mar 28, 2020Observed: 18.9 ft at 10:15AM Mar 28, 2020Observed: 18.91 ft at 10:30AM Mar 28, 2020Observed: 18.9 ft at 10:45AM Mar 28, 2020Observed: 18.91 ft at 11:00AM Mar 28, 2020Observed: 18.92 ft at 11:15AM Mar 28, 2020Observed: 18.93 ft at 11:30AM Mar 28, 2020Observed: 18.92 ft at 11:45AM Mar 28, 2020Observed: 18.91 ft at 12:00PM Mar 28, 2020Observed: 18.91 ft at 12:15PM Mar 28, 2020Observed: 18.93 ft at 12:30PM Mar 28, 2020Observed: 18.93 ft at 12:45PM Mar 28, 2020Observed: 18.93 ft at 1:00PM Mar 28, 2020Observed: 18.94 ft at 1:15PM Mar 28, 2020Observed: 18.94 ft at 1:30PM Mar 28, 2020Observed: 18.94 ft at 1:45PM Mar 28, 2020Observed: 18.94 ft at 2:00PM Mar 28, 2020Observed: 18.93 ft at 2:15PM Mar 28, 2020Observed: 18.97 ft at 2:30PM Mar 28, 2020Observed: 18.97 ft at 2:45PM Mar 28, 2020Observed: 18.98 ft at 3:00PM Mar 28, 2020Observed: 18.97 ft at 3:15PM Mar 28, 2020Observed: 18.99 ft at 3:30PM Mar 28, 2020Observed: 19 ft at 3:45PM Mar 28, 2020Observed: 19 ft at 4:00PM Mar 28, 2020Observed: 19.01 ft at 4:15PM Mar 28, 2020Observed: 19.04 ft at 4:30PM Mar 28, 2020Observed: 19.03 ft at 4:45PM Mar 28, 2020Observed: 19.05 ft at 5:00PM Mar 28, 2020Observed: 19.06 ft at 5:15PM Mar 28, 2020Observed: 19.06 ft at 5:16PM Mar 28, 2020Observed: 19.06 ft at 5:30PM Mar 28, 2020Observed: 19.06 ft at 5:31PM Mar 28, 2020Observed: 19.06 ft at 5:45PM Mar 28, 2020Observed: 19.06 ft at 5:46PM Mar 28, 2020Observed: 19.06 ft at 6:00PM Mar 28, 2020Observed: 19.06 ft at 6:15PM Mar 28, 2020Observed: 19.07 ft at 6:30PM Mar 28, 2020Observed: 19.09 ft at 6:45PM Mar 28, 2020Observed: 19.09 ft at 7:00PM Mar 28, 2020Observed: 19.1 ft at 7:15PM Mar 28, 2020Observed: 19.11 ft at 7:30PM Mar 28, 2020Observed: 19.12 ft at 7:45PM Mar 28, 2020Observed: 19.12 ft at 8:00PM Mar 28, 2020Observed: 19.14 ft at 8:15PM Mar 28, 2020Observed: 19.16 ft at 8:30PM Mar 28, 2020Observed: 19.15 ft at 8:45PM Mar 28, 2020Observed: 19.17 ft at 9:00PM Mar 28, 2020Observed: 19.18 ft at 9:15PM Mar 28, 2020Observed: 19.17 ft at 9:30PM Mar 28, 2020Observed: 19.18 ft at 9:45PM Mar 28, 2020Observed: 19.21 ft at 10:00PM Mar 28, 2020Observed: 19.23 ft at 10:15PM Mar 28, 2020Observed: 19.25 ft at 10:30PM Mar 28, 2020Observed: 19.25 ft at 10:45PM Mar 28, 2020Observed: 19.27 ft at 11:00PM Mar 28, 2020Observed: 19.29 ft at 11:15PM Mar 28, 2020Observed: 19.3 ft at 11:30PM Mar 28, 2020Observed: 19.33 ft at 11:45PM Mar 28, 2020Observed: 19.33 ft at 12:00AM Mar 29, 2020Observed: 19.35 ft at 12:15AM Mar 29, 2020Observed: 19.35 ft at 12:30AM Mar 29, 2020Observed: 19.36 ft at 12:45AM Mar 29, 2020Observed: 19.39 ft at 1:00AM Mar 29, 2020Observed: 19.41 ft at 1:15AM Mar 29, 2020Observed: 19.41 ft at 1:17AM Mar 29, 2020Observed: 19.43 ft at 1:30AM Mar 29, 2020Observed: 19.43 ft at 1:32AM Mar 29, 2020Observed: 19.46 ft at 1:45AM Mar 29, 2020Observed: 19.46 ft at 1:47AM Mar 29, 2020Observed: 19.46 ft at 2:00AM Mar 29, 2020Observed: 19.46 ft at 2:15AM Mar 29, 2020Observed: 19.5 ft at 2:30AM Mar 29, 2020Observed: 19.51 ft at 2:45AM Mar 29, 2020Observed: 19.54 ft at 3:00AM Mar 29, 2020Observed: 19.56 ft at 3:15AM Mar 29, 2020Observed: 19.58 ft at 3:30AM Mar 29, 2020Observed: 19.6 ft at 3:45AM Mar 29, 2020Observed: 19.64 ft at 4:00AM Mar 29, 2020Observed: 19.67 ft at 4:15AM Mar 29, 2020Observed: 19.67 ft at 4:30AM Mar 29, 2020Observed: 19.71 ft at 4:45AM Mar 29, 2020Observed: 19.76 ft at 5:00AM Mar 29, 2020Observed: 19.76 ft at 5:15AM Mar 29, 2020Observed: 19.8 ft at 5:30AM Mar 29, 2020Observed: 19.84 ft at 5:45AM Mar 29, 2020Observed: 19.89 ft at 6:00AM Mar 29, 2020Observed: 19.91 ft at 6:15AM Mar 29, 2020Highest Observation: 19.93 ft at 6:30AM Mar 29, 2020Forecast: 20.5 ft 1:00PM Mar 29, 2020Forecast: 21.2 ft 7:00PM Mar 29, 2020Forecast: 21.9 ft 1:00AM Mar 30, 2020Forecast: 23 ft 7:00AM Mar 30, 2020Forecast: 24.1 ft 1:00PM Mar 30, 2020Forecast: 25.1 ft 7:00PM Mar 30, 2020Highest Forecast: 25.3 ft 1:00AM Mar 31, 2020Forecast: 25.1 ft 7:00AM Mar 31, 2020Forecast: 24.8 ft 1:00PM Mar 31, 2020Forecast: 24.4 ft 7:00PM Mar 31, 2020Forecast: 24.1 ft 1:00AM Apr 01, 2020Forecast: 23.6 ft 7:00AM Apr 01, 2020Forecast: 23.2 ft 1:00PM Apr 01, 2020Forecast: 22.7 ft 7:00PM Apr 01, 2020Forecast: 22.2 ft 1:00AM Apr 02, 2020Forecast: 21.8 ft 7:00AM Apr 02, 2020Forecast: 21.3 ft 1:00PM Apr 02, 2020Forecast: 20.8 ft 7:00PM Apr 02, 2020USGS--Water Resources of the United StatesHWDI4(plotting HGIRG) Graph Created (7:34AM Mar 29, 2020)ObservedForecast (issued 9:41PM Mar 28)Latest observed value: 19.93 ft at 6:30 AM CDT 29-Mar-2020. Flood Stage is 20.5 ft
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Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
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 Big Sioux River above Hawarden are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - at Fairview Upstream Gauge Downstream Gauge Downstream Locations
Flood Categories (in feet)
Major Flood Stage: 27
Moderate Flood Stage: 24
Flood Stage: 20.5
Action Stage: 18.5
Low Stage (in feet): -9999

Historic Crests
(1) 35.30 ft on 03/15/2019
(2) 34.00 ft on 06/22/2018
(3) 22.38 ft on 05/02/2016
(4) 20.35 ft on 05/23/2017
(5) 18.30 ft on 07/09/2015

(P): Preliminary values subject to further review.

Recent Crests
(1) 35.30 ft on 03/15/2019
(2) 34.00 ft on 06/22/2018
(3) 20.35 ft on 05/23/2017
(4) 22.38 ft on 05/02/2016
(5) 18.30 ft on 07/09/2015

(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:16
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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.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
32 Water backs up into the park in Hawarden, and some basements and sewers could begin to have problems.
30.5 Iowa Highway 10 begins to flood.
30 South Dakota Highway 46 begins to flood north of Hawarden.
29.5 County Road 13 begins to flood west of Hawarden.
28.5 River Road begins to flood about 1 1/2 miles south of County Road 13.
24 Some farm houses on the South Dakota side of the river are isolated by high water.
20.5 Agricultural flooding begins on the South Dakota side of the river.
About This Location Collapse

Latitude: 43.051389° N, Longitude: 96.489444° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 20.5 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 1150.00 1170.50 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  

Current/Historical Observations:

Additional Information Collapse
This location became the official NWS river forecast point for the Big Sioux River near Hawarden on January 1, 2017. On Wednesday, April 11, 2018, the elevation defining Flood Stage for HWDI4 will be changed from 19.0 feet to 20.5 feet. How low could the river get?
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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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Page last modified: 1-Mar-2019 12:34 AM
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