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Hydrograph River at a Glance Download
Big Sioux River above Hawarden Stage (ft)Flow (cfs)Observed: 16.29 ft at 7:00PM Aug 12, 2019Observed: 16.27 ft at 7:15PM Aug 12, 2019Observed: 16.3 ft at 7:30PM Aug 12, 2019Observed: 16.28 ft at 7:45PM Aug 12, 2019Observed: 16.29 ft at 8:00PM Aug 12, 2019Observed: 16.29 ft at 8:15PM Aug 12, 2019Observed: 16.28 ft at 8:30PM Aug 12, 2019Observed: 16.28 ft at 8:45PM Aug 12, 2019Observed: 16.26 ft at 9:00PM Aug 12, 2019Observed: 16.27 ft at 9:15PM Aug 12, 2019Observed: 16.27 ft at 9:30PM Aug 12, 2019Observed: 16.28 ft at 9:45PM Aug 12, 2019Observed: 16.29 ft at 10:00PM Aug 12, 2019Observed: 16.29 ft at 10:15PM Aug 12, 2019Observed: 16.26 ft at 10:30PM Aug 12, 2019Observed: 16.28 ft at 10:45PM Aug 12, 2019Observed: 16.27 ft at 11:00PM Aug 12, 2019Observed: 16.27 ft at 11:15PM Aug 12, 2019Observed: 16.26 ft at 11:30PM Aug 12, 2019Observed: 16.26 ft at 11:45PM Aug 12, 2019Observed: 16.26 ft at 12:00AM Aug 13, 2019Observed: 16.28 ft at 12:15AM Aug 13, 2019Observed: 16.28 ft at 12:16AM Aug 13, 2019Observed: 16.26 ft at 12:30AM Aug 13, 2019Observed: 16.26 ft at 12:31AM Aug 13, 2019Observed: 16.26 ft at 12:45AM Aug 13, 2019Observed: 16.26 ft at 12:46AM Aug 13, 2019Observed: 16.26 ft at 1:00AM Aug 13, 2019Observed: 16.26 ft at 1:15AM Aug 13, 2019Observed: 16.24 ft at 1:30AM Aug 13, 2019Observed: 16.24 ft at 1:45AM Aug 13, 2019Observed: 16.24 ft at 2:00AM Aug 13, 2019Observed: 16.24 ft at 2:15AM Aug 13, 2019Observed: 16.24 ft at 2:30AM Aug 13, 2019Observed: 16.25 ft at 2:45AM Aug 13, 2019Observed: 16.25 ft at 3:00AM Aug 13, 2019Observed: 16.26 ft at 3:15AM Aug 13, 2019Observed: 16.26 ft at 3:30AM Aug 13, 2019Observed: 16.24 ft at 3:45AM Aug 13, 2019Observed: 16.25 ft at 4:00AM Aug 13, 2019Observed: 16.25 ft at 4:15AM Aug 13, 2019Observed: 16.24 ft at 4:30AM Aug 13, 2019Observed: 16.24 ft at 4:45AM Aug 13, 2019Observed: 16.24 ft at 5:00AM Aug 13, 2019Observed: 16.23 ft at 5:15AM Aug 13, 2019Observed: 16.24 ft at 5:30AM Aug 13, 2019Observed: 16.24 ft at 5:45AM Aug 13, 2019Observed: 16.22 ft at 6:00AM Aug 13, 2019Observed: 16.22 ft at 6:15AM Aug 13, 2019Observed: 16.23 ft at 6:30AM Aug 13, 2019Observed: 16.23 ft at 6:45AM Aug 13, 2019Observed: 16.22 ft at 7:00AM Aug 13, 2019Observed: 16.22 ft at 7:15AM Aug 13, 2019Observed: 16.23 ft at 7:30AM Aug 13, 2019Observed: 16.21 ft at 7:45AM Aug 13, 2019Observed: 16.23 ft at 8:00AM Aug 13, 2019Observed: 16.21 ft at 8:15AM Aug 13, 2019Observed: 16.21 ft at 8:17AM Aug 13, 2019Observed: 16.23 ft at 8:30AM Aug 13, 2019Observed: 16.23 ft at 8:32AM Aug 13, 2019Observed: 16.22 ft at 8:45AM Aug 13, 2019Observed: 16.22 ft at 8:47AM Aug 13, 2019Observed: 16.22 ft at 9:00AM Aug 13, 2019Observed: 16.21 ft at 9:15AM Aug 13, 2019Observed: 16.21 ft at 9:30AM Aug 13, 2019Observed: 16.21 ft at 9:45AM Aug 13, 2019Observed: 16.22 ft at 10:00AM Aug 13, 2019Observed: 16.22 ft at 10:15AM Aug 13, 2019Observed: 16.22 ft at 10:30AM Aug 13, 2019Observed: 16.21 ft at 10:45AM Aug 13, 2019Observed: 16.22 ft at 11:00AM Aug 13, 2019Observed: 16.21 ft at 11:15AM Aug 13, 2019Observed: 16.2 ft at 11:30AM Aug 13, 2019Observed: 16.21 ft at 11:45AM Aug 13, 2019Observed: 16.19 ft at 12:00PM Aug 13, 2019Observed: 16.2 ft at 12:15PM Aug 13, 2019Observed: 16.19 ft at 12:30PM Aug 13, 2019Observed: 16.2 ft at 12:45PM Aug 13, 2019Observed: 16.2 ft at 1:00PM Aug 13, 2019Observed: 16.19 ft at 1:15PM Aug 13, 2019Observed: 16.21 ft at 1:30PM Aug 13, 2019Observed: 16.2 ft at 1:45PM Aug 13, 2019Observed: 16.18 ft at 2:00PM Aug 13, 2019Observed: 16.18 ft at 2:15PM Aug 13, 2019Observed: 16.18 ft at 2:30PM Aug 13, 2019Observed: 16.2 ft at 2:45PM Aug 13, 2019Observed: 16.19 ft at 3:00PM Aug 13, 2019Observed: 16.18 ft at 3:15PM Aug 13, 2019Observed: 16.17 ft at 3:30PM Aug 13, 2019Observed: 16.18 ft at 3:45PM Aug 13, 2019Observed: 16.16 ft at 4:00PM Aug 13, 2019Observed: 16.18 ft at 4:15PM Aug 13, 2019Observed: 16.18 ft at 4:17PM Aug 13, 2019Observed: 16.18 ft at 4:30PM Aug 13, 2019Observed: 16.18 ft at 4:32PM Aug 13, 2019Observed: 16.17 ft at 4:45PM Aug 13, 2019Observed: 16.17 ft at 4:47PM Aug 13, 2019Observed: 16.17 ft at 5:00PM Aug 13, 2019Observed: 16.18 ft at 5:15PM Aug 13, 2019Observed: 16.17 ft at 5:30PM Aug 13, 2019Observed: 16.19 ft at 5:45PM Aug 13, 2019Observed: 16.18 ft at 6:00PM Aug 13, 2019Observed: 16.16 ft at 6:15PM Aug 13, 2019Observed: 16.16 ft at 6:30PM Aug 13, 2019Observed: 16.16 ft at 6:45PM Aug 13, 2019Observed: 16.17 ft at 7:00PM Aug 13, 2019Observed: 16.16 ft at 7:15PM Aug 13, 2019Observed: 16.17 ft at 7:30PM Aug 13, 2019Observed: 16.16 ft at 7:45PM Aug 13, 2019Observed: 16.16 ft at 8:00PM Aug 13, 2019Observed: 16.17 ft at 8:15PM Aug 13, 2019Observed: 16.16 ft at 8:30PM Aug 13, 2019Observed: 16.17 ft at 8:45PM Aug 13, 2019Observed: 16.15 ft at 9:00PM Aug 13, 2019Observed: 16.16 ft at 9:15PM Aug 13, 2019Observed: 16.17 ft at 9:30PM Aug 13, 2019Observed: 16.15 ft at 9:45PM Aug 13, 2019Observed: 16.16 ft at 10:00PM Aug 13, 2019Observed: 16.16 ft at 10:15PM Aug 13, 2019Observed: 16.14 ft at 10:30PM Aug 13, 2019Observed: 16.14 ft at 10:45PM Aug 13, 2019Observed: 16.14 ft at 11:00PM Aug 13, 2019Observed: 16.14 ft at 11:15PM Aug 13, 2019Observed: 16.14 ft at 11:30PM Aug 13, 2019Observed: 16.13 ft at 11:45PM Aug 13, 2019Observed: 16.12 ft at 12:00AM Aug 14, 2019Observed: 16.11 ft at 12:15AM Aug 14, 2019Observed: 16.11 ft at 12:17AM Aug 14, 2019Observed: 16.12 ft at 12:30AM Aug 14, 2019Observed: 16.12 ft at 12:32AM Aug 14, 2019Observed: 16.11 ft at 12:45AM Aug 14, 2019Observed: 16.11 ft at 12:47AM Aug 14, 2019Observed: 16.11 ft at 1:00AM Aug 14, 2019Observed: 16.1 ft at 1:15AM Aug 14, 2019Observed: 16.09 ft at 1:30AM Aug 14, 2019Observed: 16.07 ft at 1:45AM Aug 14, 2019Observed: 16.08 ft at 2:00AM Aug 14, 2019Observed: 16.07 ft at 2:15AM Aug 14, 2019Observed: 16.07 ft at 2:30AM Aug 14, 2019Observed: 16.04 ft at 2:45AM Aug 14, 2019Observed: 16.05 ft at 3:00AM Aug 14, 2019Observed: 16.03 ft at 3:15AM Aug 14, 2019Observed: 16.04 ft at 3:30AM Aug 14, 2019Observed: 16.02 ft at 3:45AM Aug 14, 2019Observed: 16.02 ft at 4:00AM Aug 14, 2019Observed: 16.01 ft at 4:15AM Aug 14, 2019Observed: 16.01 ft at 4:30AM Aug 14, 2019Observed: 15.97 ft at 4:45AM Aug 14, 2019Observed: 16 ft at 5:00AM Aug 14, 2019Observed: 15.98 ft at 5:15AM Aug 14, 2019Observed: 15.98 ft at 5:30AM Aug 14, 2019Observed: 15.97 ft at 5:45AM Aug 14, 2019Observed: 15.98 ft at 6:00AM Aug 14, 2019Observed: 15.97 ft at 6:15AM Aug 14, 2019Observed: 15.96 ft at 6:30AM Aug 14, 2019Observed: 15.96 ft at 6:45AM Aug 14, 2019Observed: 15.98 ft at 7:00AM Aug 14, 2019Observed: 15.99 ft at 7:15AM Aug 14, 2019Observed: 15.97 ft at 7:30AM Aug 14, 2019Observed: 15.98 ft at 7:45AM Aug 14, 2019Observed: 15.98 ft at 8:00AM Aug 14, 2019Observed: 15.97 ft at 8:15AM Aug 14, 2019Observed: 15.97 ft at 8:16AM Aug 14, 2019Observed: 15.98 ft at 8:30AM Aug 14, 2019Observed: 15.98 ft at 8:31AM Aug 14, 2019Observed: 15.98 ft at 8:45AM Aug 14, 2019Observed: 15.98 ft at 8:46AM Aug 14, 2019Observed: 15.97 ft at 9:00AM Aug 14, 2019Observed: 16 ft at 9:15AM Aug 14, 2019Observed: 15.99 ft at 9:30AM Aug 14, 2019Observed: 15.98 ft at 9:45AM Aug 14, 2019Observed: 15.98 ft at 10:00AM Aug 14, 2019Observed: 16 ft at 10:15AM Aug 14, 2019Observed: 15.99 ft at 10:30AM Aug 14, 2019Observed: 16 ft at 10:45AM Aug 14, 2019Observed: 16.01 ft at 11:00AM Aug 14, 2019Observed: 15.99 ft at 11:15AM Aug 14, 2019Observed: 16 ft at 11:30AM Aug 14, 2019Observed: 16.02 ft at 11:45AM Aug 14, 2019Observed: 16 ft at 12:00PM Aug 14, 2019Observed: 16.01 ft at 12:15PM Aug 14, 2019Observed: 16.01 ft at 12:30PM Aug 14, 2019Observed: 16.02 ft at 12:45PM Aug 14, 2019Observed: 16.01 ft at 1:00PM Aug 14, 2019Observed: 16.02 ft at 1:15PM Aug 14, 2019Observed: 16.01 ft at 1:30PM Aug 14, 2019Observed: 16.01 ft at 1:45PM Aug 14, 2019Observed: 16.01 ft at 2:00PM Aug 14, 2019Observed: 16.04 ft at 2:15PM Aug 14, 2019Observed: 16 ft at 2:30PM Aug 14, 2019Observed: 16.01 ft at 2:45PM Aug 14, 2019Observed: 16.01 ft at 3:00PM Aug 14, 2019Observed: 16.01 ft at 3:15PM Aug 14, 2019Observed: 16.01 ft at 3:30PM Aug 14, 2019Observed: 16.02 ft at 3:45PM Aug 14, 2019Observed: 16 ft at 4:00PM Aug 14, 2019Observed: 16 ft at 4:15PM Aug 14, 2019Observed: 16 ft at 4:17PM Aug 14, 2019Observed: 16 ft at 4:30PM Aug 14, 2019Observed: 16 ft at 4:32PM Aug 14, 2019Observed: 16 ft at 4:45PM Aug 14, 2019Observed: 16 ft at 4:47PM Aug 14, 2019Observed: 16.02 ft at 5:00PM Aug 14, 2019Observed: 16.01 ft at 5:15PM Aug 14, 2019Observed: 16.01 ft at 5:30PM Aug 14, 2019Observed: 16.01 ft at 5:45PM Aug 14, 2019Observed: 16.01 ft at 6:00PM Aug 14, 2019Observed: 16.01 ft at 6:15PM Aug 14, 2019Observed: 15.98 ft at 6:30PM Aug 14, 2019Observed: 16 ft at 6:45PM Aug 14, 2019Observed: 15.99 ft at 7:00PM Aug 14, 2019Observed: 15.99 ft at 7:15PM Aug 14, 2019Observed: 16.01 ft at 7:30PM Aug 14, 2019Observed: 15.99 ft at 7:45PM Aug 14, 2019Observed: 16.01 ft at 8:00PM Aug 14, 2019Observed: 16 ft at 8:15PM Aug 14, 2019Observed: 16.01 ft at 8:30PM Aug 14, 2019Observed: 16.01 ft at 8:45PM Aug 14, 2019Observed: 16.02 ft at 9:00PM Aug 14, 2019Observed: 16.01 ft at 9:15PM Aug 14, 2019Observed: 16.02 ft at 9:30PM Aug 14, 2019Observed: 16.04 ft at 9:45PM Aug 14, 2019Observed: 16.02 ft at 10:00PM Aug 14, 2019Observed: 16.05 ft at 10:15PM Aug 14, 2019Observed: 16.06 ft at 10:30PM Aug 14, 2019Observed: 16.05 ft at 10:45PM Aug 14, 2019Observed: 16.07 ft at 11:00PM Aug 14, 2019Observed: 16.05 ft at 11:15PM Aug 14, 2019Observed: 16.05 ft at 11:30PM Aug 14, 2019Observed: 16.07 ft at 11:45PM Aug 14, 2019Observed: 16.06 ft at 12:00AM Aug 15, 2019Observed: 16.07 ft at 12:15AM Aug 15, 2019Observed: 16.07 ft at 12:17AM Aug 15, 2019Observed: 16.07 ft at 12:30AM Aug 15, 2019Observed: 16.07 ft at 12:32AM Aug 15, 2019Observed: 16.08 ft at 12:45AM Aug 15, 2019Observed: 16.08 ft at 12:47AM Aug 15, 2019Observed: 16.07 ft at 1:00AM Aug 15, 2019Observed: 16.07 ft at 1:15AM Aug 15, 2019Observed: 16.08 ft at 1:30AM Aug 15, 2019Observed: 16.07 ft at 1:45AM Aug 15, 2019Observed: 16.07 ft at 2:00AM Aug 15, 2019Observed: 16.06 ft at 2:15AM Aug 15, 2019Observed: 16.07 ft at 2:30AM Aug 15, 2019Observed: 16.07 ft at 2:45AM Aug 15, 2019Observed: 16.05 ft at 3:00AM Aug 15, 2019Observed: 16.05 ft at 3:15AM Aug 15, 2019Observed: 16.05 ft at 3:30AM Aug 15, 2019Observed: 16.05 ft at 3:45AM Aug 15, 2019Observed: 16.04 ft at 4:00AM Aug 15, 2019Observed: 16.03 ft at 4:15AM Aug 15, 2019Observed: 16.02 ft at 4:30AM Aug 15, 2019Observed: 16.03 ft at 4:45AM Aug 15, 2019Observed: 16.01 ft at 5:00AM Aug 15, 2019Observed: 16 ft at 5:15AM Aug 15, 2019Observed: 16 ft at 5:30AM Aug 15, 2019Observed: 16.01 ft at 5:45AM Aug 15, 2019Observed: 16.01 ft at 6:00AM Aug 15, 2019Observed: 15.99 ft at 6:15AM Aug 15, 2019Observed: 15.98 ft at 6:30AM Aug 15, 2019Observed: 15.99 ft at 6:45AM Aug 15, 2019Observed: 15.96 ft at 7:00AM Aug 15, 2019Observed: 15.98 ft at 7:15AM Aug 15, 2019Observed: 15.97 ft at 7:30AM Aug 15, 2019Observed: 15.96 ft at 7:45AM Aug 15, 2019Observed: 15.97 ft at 8:00AM Aug 15, 2019Observed: 15.93 ft at 8:15AM Aug 15, 2019Observed: 15.93 ft at 8:16AM Aug 15, 2019Observed: 15.95 ft at 8:30AM Aug 15, 2019Observed: 15.95 ft at 8:31AM Aug 15, 2019Observed: 15.94 ft at 8:45AM Aug 15, 2019Observed: 15.94 ft at 8:46AM Aug 15, 2019Observed: 15.94 ft at 9:00AM Aug 15, 2019Observed: 15.93 ft at 9:15AM Aug 15, 2019Observed: 15.94 ft at 9:30AM Aug 15, 2019Observed: 15.93 ft at 9:45AM Aug 15, 2019Observed: 15.92 ft at 10:00AM Aug 15, 2019Observed: 15.93 ft at 10:15AM Aug 15, 2019Observed: 15.93 ft at 10:30AM Aug 15, 2019Observed: 15.93 ft at 10:45AM Aug 15, 2019Observed: 15.91 ft at 11:00AM Aug 15, 2019Observed: 15.93 ft at 11:15AM Aug 15, 2019Observed: 15.92 ft at 11:30AM Aug 15, 2019Observed: 15.92 ft at 11:45AM Aug 15, 2019Observed: 15.92 ft at 12:00PM Aug 15, 2019Observed: 15.92 ft at 12:15PM Aug 15, 2019Observed: 15.91 ft at 12:30PM Aug 15, 2019Observed: 15.89 ft at 12:45PM Aug 15, 2019Observed: 15.9 ft at 1:00PM Aug 15, 2019Observed: 15.92 ft at 1:15PM Aug 15, 2019Observed: 15.89 ft at 1:30PM Aug 15, 2019Observed: 15.88 ft at 1:45PM Aug 15, 2019Observed: 15.87 ft at 2:00PM Aug 15, 2019Observed: 15.89 ft at 2:15PM Aug 15, 2019Observed: 15.89 ft at 2:30PM Aug 15, 2019Observed: 15.88 ft at 2:45PM Aug 15, 2019Observed: 15.9 ft at 3:00PM Aug 15, 2019Observed: 15.88 ft at 3:15PM Aug 15, 2019Observed: 15.89 ft at 3:30PM Aug 15, 2019Observed: 15.89 ft at 3:45PM Aug 15, 2019Observed: 15.89 ft at 4:00PM Aug 15, 2019Observed: 15.88 ft at 4:15PM Aug 15, 2019Observed: 15.88 ft at 4:16PM Aug 15, 2019Observed: 15.88 ft at 4:30PM Aug 15, 2019Observed: 15.88 ft at 4:31PM Aug 15, 2019Observed: 15.87 ft at 4:45PM Aug 15, 2019Observed: 15.87 ft at 4:46PM Aug 15, 2019Observed: 15.88 ft at 5:00PM Aug 15, 2019Observed: 15.88 ft at 5:15PM Aug 15, 2019Observed: 15.87 ft at 5:30PM Aug 15, 2019Observed: 15.88 ft at 5:45PM Aug 15, 2019Observed: 15.86 ft at 6:00PM Aug 15, 2019Observed: 15.86 ft at 6:15PM Aug 15, 2019Observed: 15.87 ft at 6:30PM Aug 15, 2019Observed: 15.86 ft at 6:45PM Aug 15, 2019Observed: 15.88 ft at 7:00PM Aug 15, 2019Observed: 15.85 ft at 7:15PM Aug 15, 2019Observed: 15.86 ft at 7:30PM Aug 15, 2019Observed: 15.86 ft at 7:45PM Aug 15, 2019Observed: 15.87 ft at 8:00PM Aug 15, 2019Observed: 15.85 ft at 8:15PM Aug 15, 2019Observed: 15.88 ft at 8:30PM Aug 15, 2019Observed: 15.86 ft at 8:45PM Aug 15, 2019Observed: 15.85 ft at 9:00PM Aug 15, 2019Observed: 15.85 ft at 9:15PM Aug 15, 2019Observed: 15.85 ft at 9:30PM Aug 15, 2019Observed: 15.85 ft at 9:45PM Aug 15, 2019Observed: 15.88 ft at 10:00PM Aug 15, 2019Observed: 15.89 ft at 10:15PM Aug 15, 2019Observed: 15.88 ft at 10:30PM Aug 15, 2019Observed: 15.9 ft at 10:45PM Aug 15, 2019Observed: 15.9 ft at 11:00PM Aug 15, 2019Observed: 15.91 ft at 11:15PM Aug 15, 2019Observed: 15.89 ft at 11:30PM Aug 15, 2019Observed: 15.9 ft at 11:45PM Aug 15, 2019Observed: 15.89 ft at 12:00AM Aug 16, 2019Observed: 15.9 ft at 12:15AM Aug 16, 2019Observed: 15.9 ft at 12:30AM Aug 16, 2019Observed: 15.9 ft at 12:45AM Aug 16, 2019Observed: 15.89 ft at 1:00AM Aug 16, 2019Observed: 15.9 ft at 1:15AM Aug 16, 2019Observed: 15.89 ft at 1:30AM Aug 16, 2019Observed: 15.87 ft at 1:45AM Aug 16, 2019Observed: 15.9 ft at 2:00AM Aug 16, 2019Observed: 15.88 ft at 2:15AM Aug 16, 2019Observed: 15.89 ft at 2:30AM Aug 16, 2019Observed: 15.88 ft at 2:45AM Aug 16, 2019Observed: 15.89 ft at 3:00AM Aug 16, 2019Observed: 15.89 ft at 3:15AM Aug 16, 2019Observed: 15.89 ft at 3:30AM Aug 16, 2019Observed: 15.89 ft at 3:45AM Aug 16, 2019Observed: 15.88 ft at 4:00AM Aug 16, 2019Observed: 15.87 ft at 4:15AM Aug 16, 2019Observed: 15.88 ft at 4:30AM Aug 16, 2019Observed: 15.87 ft at 4:45AM Aug 16, 2019Observed: 15.88 ft at 5:00AM Aug 16, 2019Observed: 15.87 ft at 5:15AM Aug 16, 2019Observed: 15.89 ft at 5:30AM Aug 16, 2019Observed: 15.89 ft at 5:45AM Aug 16, 2019Observed: 15.89 ft at 6:00AM Aug 16, 2019Observed: 15.9 ft at 6:15AM Aug 16, 2019Observed: 15.91 ft at 6:30AM Aug 16, 2019Observed: 15.9 ft at 6:45AM Aug 16, 2019Observed: 15.91 ft at 7:00AM Aug 16, 2019Observed: 15.9 ft at 7:15AM Aug 16, 2019Observed: 15.92 ft at 7:30AM Aug 16, 2019Observed: 15.9 ft at 7:45AM Aug 16, 2019Observed: 15.91 ft at 8:00AM Aug 16, 2019Observed: 15.92 ft at 8:15AM Aug 16, 2019Observed: 15.92 ft at 8:17AM Aug 16, 2019Observed: 15.93 ft at 8:30AM Aug 16, 2019Observed: 15.93 ft at 8:32AM Aug 16, 2019Observed: 15.94 ft at 8:45AM Aug 16, 2019Observed: 15.94 ft at 8:47AM Aug 16, 2019Observed: 15.94 ft at 9:00AM Aug 16, 2019Observed: 15.93 ft at 9:15AM Aug 16, 2019Observed: 15.94 ft at 9:30AM Aug 16, 2019Observed: 15.93 ft at 9:45AM Aug 16, 2019Observed: 15.93 ft at 10:00AM Aug 16, 2019Observed: 15.95 ft at 10:15AM Aug 16, 2019Observed: 15.95 ft at 10:30AM Aug 16, 2019Observed: 15.95 ft at 10:45AM Aug 16, 2019Observed: 15.95 ft at 11:00AM Aug 16, 2019Observed: 15.95 ft at 11:15AM Aug 16, 2019Observed: 15.94 ft at 11:30AM Aug 16, 2019Observed: 15.95 ft at 11:45AM Aug 16, 2019Observed: 15.96 ft at 12:00PM Aug 16, 2019Observed: 15.96 ft at 12:15PM Aug 16, 2019Observed: 15.95 ft at 12:30PM Aug 16, 2019Observed: 15.96 ft at 12:45PM Aug 16, 2019Observed: 15.98 ft at 1:00PM Aug 16, 2019Observed: 15.97 ft at 1:15PM Aug 16, 2019Observed: 15.97 ft at 1:30PM Aug 16, 2019Observed: 15.97 ft at 1:45PM Aug 16, 2019Observed: 15.97 ft at 2:00PM Aug 16, 2019Observed: 15.99 ft at 2:15PM Aug 16, 2019Observed: 15.98 ft at 2:30PM Aug 16, 2019Observed: 15.97 ft at 2:45PM Aug 16, 2019Observed: 15.97 ft at 3:00PM Aug 16, 2019Observed: 15.96 ft at 3:15PM Aug 16, 2019Observed: 15.99 ft at 3:30PM Aug 16, 2019Observed: 15.97 ft at 3:45PM Aug 16, 2019Observed: 15.97 ft at 4:00PM Aug 16, 2019Observed: 15.98 ft at 4:15PM Aug 16, 2019Observed: 15.96 ft at 4:30PM Aug 16, 2019Observed: 15.96 ft at 4:31PM Aug 16, 2019Observed: 16 ft at 4:45PM Aug 16, 2019Observed: 16 ft at 4:46PM Aug 16, 2019Observed: 15.98 ft at 5:00PM Aug 16, 2019Observed: 15.98 ft at 5:01PM Aug 16, 2019Observed: 16 ft at 5:15PM Aug 16, 2019Observed: 15.99 ft at 5:30PM Aug 16, 2019Observed: 15.99 ft at 5:45PM Aug 16, 2019Observed: 16.01 ft at 6:00PM Aug 16, 2019Observed: 15.99 ft at 6:15PM Aug 16, 2019Observed: 16 ft at 6:30PM Aug 16, 2019Observed: 16 ft at 6:45PM Aug 16, 2019Observed: 16.02 ft at 7:00PM Aug 16, 2019Observed: 16.03 ft at 7:15PM Aug 16, 2019Observed: 16.03 ft at 7:30PM Aug 16, 2019Observed: 16.05 ft at 7:45PM Aug 16, 2019Observed: 16.03 ft at 8:00PM Aug 16, 2019Observed: 16.07 ft at 8:15PM Aug 16, 2019Observed: 16.06 ft at 8:30PM Aug 16, 2019Observed: 16.07 ft at 8:45PM Aug 16, 2019Observed: 16.09 ft at 9:00PM Aug 16, 2019Observed: 16.08 ft at 9:15PM Aug 16, 2019Observed: 16.09 ft at 9:30PM Aug 16, 2019Observed: 16.1 ft at 9:45PM Aug 16, 2019Observed: 16.11 ft at 10:00PM Aug 16, 2019Observed: 16.1 ft at 10:15PM Aug 16, 2019Observed: 16.11 ft at 10:30PM Aug 16, 2019Observed: 16.1 ft at 10:45PM Aug 16, 2019Observed: 16.12 ft at 11:00PM Aug 16, 2019Observed: 16.13 ft at 11:15PM Aug 16, 2019Observed: 16.13 ft at 11:30PM Aug 16, 2019Observed: 16.13 ft at 11:45PM Aug 16, 2019Observed: 16.14 ft at 12:00AM Aug 17, 2019Observed: 16.16 ft at 12:15AM Aug 17, 2019Observed: 16.16 ft at 12:30AM Aug 17, 2019Observed: 16.16 ft at 12:32AM Aug 17, 2019Observed: 16.16 ft at 12:45AM Aug 17, 2019Observed: 16.16 ft at 12:47AM Aug 17, 2019Observed: 16.15 ft at 1:00AM Aug 17, 2019Observed: 16.15 ft at 1:02AM Aug 17, 2019Observed: 16.16 ft at 1:15AM Aug 17, 2019Observed: 16.15 ft at 1:30AM Aug 17, 2019Observed: 16.17 ft at 1:45AM Aug 17, 2019Observed: 16.16 ft at 2:00AM Aug 17, 2019Observed: 16.17 ft at 2:15AM Aug 17, 2019Observed: 16.16 ft at 2:30AM Aug 17, 2019Observed: 16.17 ft at 2:45AM Aug 17, 2019Observed: 16.18 ft at 3:00AM Aug 17, 2019Observed: 16.18 ft at 3:15AM Aug 17, 2019Observed: 16.18 ft at 3:30AM Aug 17, 2019Observed: 16.18 ft at 3:45AM Aug 17, 2019Observed: 16.16 ft at 4:00AM Aug 17, 2019Observed: 16.18 ft at 4:15AM Aug 17, 2019Observed: 16.17 ft at 4:30AM Aug 17, 2019Observed: 16.17 ft at 4:45AM Aug 17, 2019Observed: 16.18 ft at 5:00AM Aug 17, 2019Observed: 16.17 ft at 5:15AM Aug 17, 2019Observed: 16.18 ft at 5:30AM Aug 17, 2019Observed: 16.15 ft at 5:45AM Aug 17, 2019Observed: 16.15 ft at 6:00AM Aug 17, 2019Observed: 16.16 ft at 6:15AM Aug 17, 2019Observed: 16.14 ft at 6:30AM Aug 17, 2019Observed: 16.17 ft at 6:45AM Aug 17, 2019Observed: 16.16 ft at 7:00AM Aug 17, 2019Observed: 16.16 ft at 7:15AM Aug 17, 2019Observed: 16.16 ft at 7:30AM Aug 17, 2019Observed: 16.15 ft at 7:45AM Aug 17, 2019Observed: 16.15 ft at 8:00AM Aug 17, 2019Observed: 16.16 ft at 8:15AM Aug 17, 2019Observed: 16.13 ft at 8:30AM Aug 17, 2019Observed: 16.13 ft at 8:32AM Aug 17, 2019Observed: 16.13 ft at 8:45AM Aug 17, 2019Observed: 16.13 ft at 8:47AM Aug 17, 2019Observed: 16.12 ft at 9:00AM Aug 17, 2019Observed: 16.12 ft at 9:02AM Aug 17, 2019Observed: 16.12 ft at 9:15AM Aug 17, 2019Observed: 16.14 ft at 9:30AM Aug 17, 2019Observed: 16.11 ft at 9:45AM Aug 17, 2019Observed: 16.12 ft at 10:00AM Aug 17, 2019Observed: 16.12 ft at 10:15AM Aug 17, 2019Observed: 16.11 ft at 10:30AM Aug 17, 2019Observed: 16.12 ft at 10:45AM Aug 17, 2019Observed: 16.11 ft at 11:00AM Aug 17, 2019Observed: 16.1 ft at 11:15AM Aug 17, 2019Observed: 16.1 ft at 11:30AM Aug 17, 2019Observed: 16.09 ft at 11:45AM Aug 17, 2019Observed: 16.09 ft at 12:00PM Aug 17, 2019Observed: 16.09 ft at 12:15PM Aug 17, 2019Observed: 16.07 ft at 12:30PM Aug 17, 2019Observed: 16.09 ft at 12:45PM Aug 17, 2019Observed: 16.07 ft at 1:00PM Aug 17, 2019Observed: 16.06 ft at 1:15PM Aug 17, 2019Observed: 16.06 ft at 1:30PM Aug 17, 2019Observed: 16.05 ft at 1:45PM Aug 17, 2019Observed: 16.06 ft at 2:00PM Aug 17, 2019Observed: 16.05 ft at 2:15PM Aug 17, 2019Observed: 16.05 ft at 2:30PM Aug 17, 2019Observed: 16.06 ft at 2:45PM Aug 17, 2019Observed: 16.04 ft at 3:00PM Aug 17, 2019Observed: 16.05 ft at 3:15PM Aug 17, 2019Observed: 16.03 ft at 3:30PM Aug 17, 2019Observed: 16.04 ft at 3:45PM Aug 17, 2019Observed: 16.02 ft at 4:00PM Aug 17, 2019Observed: 16.04 ft at 4:15PM Aug 17, 2019Observed: 16.03 ft at 4:30PM Aug 17, 2019Observed: 16.03 ft at 4:32PM Aug 17, 2019Observed: 16.03 ft at 4:45PM Aug 17, 2019Observed: 16.03 ft at 4:47PM Aug 17, 2019Observed: 16.04 ft at 5:00PM Aug 17, 2019Observed: 16.04 ft at 5:02PM Aug 17, 2019Observed: 16.03 ft at 5:15PM Aug 17, 2019Observed: 16.01 ft at 5:30PM Aug 17, 2019Observed: 16.02 ft at 5:45PM Aug 17, 2019Observed: 16.01 ft at 6:00PM Aug 17, 2019Observed: 16.01 ft at 6:15PM Aug 17, 2019Observed: 15.99 ft at 6:30PM Aug 17, 2019Observed: 15.99 ft at 6:45PM Aug 17, 2019Observed: 16.01 ft at 7:00PM Aug 17, 2019Observed: 15.99 ft at 7:15PM Aug 17, 2019Observed: 15.99 ft at 7:30PM Aug 17, 2019Observed: 16 ft at 7:45PM Aug 17, 2019Observed: 16 ft at 8:00PM Aug 17, 2019Observed: 15.99 ft at 8:15PM Aug 17, 2019Observed: 15.99 ft at 8:30PM Aug 17, 2019Observed: 15.98 ft at 8:45PM Aug 17, 2019Observed: 15.97 ft at 9:00PM Aug 17, 2019Observed: 15.98 ft at 9:15PM Aug 17, 2019Observed: 15.96 ft at 9:30PM Aug 17, 2019Observed: 15.98 ft at 9:45PM Aug 17, 2019Observed: 15.97 ft at 10:00PM Aug 17, 2019Observed: 15.98 ft at 10:15PM Aug 17, 2019Observed: 15.96 ft at 10:30PM Aug 17, 2019Observed: 15.95 ft at 10:45PM Aug 17, 2019Observed: 15.95 ft at 11:00PM Aug 17, 2019Observed: 15.98 ft at 11:15PM Aug 17, 2019Observed: 16 ft at 11:30PM Aug 17, 2019Observed: 16.05 ft at 11:45PM Aug 17, 2019Observed: 16.07 ft at 12:00AM Aug 18, 2019Observed: 16.09 ft at 12:15AM Aug 18, 2019Observed: 16.1 ft at 12:30AM Aug 18, 2019Observed: 16.1 ft at 12:31AM Aug 18, 2019Observed: 16.1 ft at 12:45AM Aug 18, 2019Observed: 16.1 ft at 12:46AM Aug 18, 2019Observed: 16.11 ft at 1:00AM Aug 18, 2019Observed: 16.11 ft at 1:01AM Aug 18, 2019Observed: 16.13 ft at 1:15AM Aug 18, 2019Observed: 16.14 ft at 1:30AM Aug 18, 2019Observed: 16.13 ft at 1:45AM Aug 18, 2019Observed: 16.14 ft at 2:00AM Aug 18, 2019Observed: 16.18 ft at 2:15AM Aug 18, 2019Observed: 16.19 ft at 2:30AM Aug 18, 2019Observed: 16.22 ft at 2:45AM Aug 18, 2019Observed: 16.22 ft at 3:00AM Aug 18, 2019Observed: 16.27 ft at 3:15AM Aug 18, 2019Observed: 16.25 ft at 3:30AM Aug 18, 2019Observed: 16.27 ft at 3:45AM Aug 18, 2019Observed: 16.27 ft at 4:00AM Aug 18, 2019Observed: 16.27 ft at 4:15AM Aug 18, 2019Observed: 16.31 ft at 4:30AM Aug 18, 2019Observed: 16.32 ft at 4:45AM Aug 18, 2019Observed: 16.33 ft at 5:00AM Aug 18, 2019Observed: 16.34 ft at 5:15AM Aug 18, 2019Observed: 16.34 ft at 5:30AM Aug 18, 2019Observed: 16.35 ft at 5:45AM Aug 18, 2019Observed: 16.35 ft at 6:00AM Aug 18, 2019Observed: 16.33 ft at 6:15AM Aug 18, 2019Observed: 16.34 ft at 6:30AM Aug 18, 2019Observed: 16.33 ft at 6:45AM Aug 18, 2019Observed: 16.32 ft at 7:00AM Aug 18, 2019Observed: 16.33 ft at 7:15AM Aug 18, 2019Observed: 16.31 ft at 7:30AM Aug 18, 2019Observed: 16.3 ft at 7:45AM Aug 18, 2019Observed: 16.3 ft at 8:00AM Aug 18, 2019Observed: 16.29 ft at 8:15AM Aug 18, 2019Observed: 16.27 ft at 8:30AM Aug 18, 2019Observed: 16.27 ft at 8:31AM Aug 18, 2019Observed: 16.29 ft at 8:45AM Aug 18, 2019Observed: 16.29 ft at 8:46AM Aug 18, 2019Observed: 16.28 ft at 9:00AM Aug 18, 2019Observed: 16.28 ft at 9:01AM Aug 18, 2019Observed: 16.28 ft at 9:15AM Aug 18, 2019Observed: 16.28 ft at 9:30AM Aug 18, 2019Observed: 16.27 ft at 9:45AM Aug 18, 2019Observed: 16.26 ft at 10:00AM Aug 18, 2019Observed: 16.26 ft at 10:15AM Aug 18, 2019Observed: 16.25 ft at 10:30AM Aug 18, 2019Observed: 16.26 ft at 10:45AM Aug 18, 2019Observed: 16.27 ft at 11:00AM Aug 18, 2019Observed: 16.27 ft at 11:15AM Aug 18, 2019Observed: 16.25 ft at 11:30AM Aug 18, 2019Observed: 16.25 ft at 11:45AM Aug 18, 2019Observed: 16.25 ft at 12:00PM Aug 18, 2019Observed: 16.27 ft at 12:15PM Aug 18, 2019Observed: 16.25 ft at 12:30PM Aug 18, 2019Observed: 16.26 ft at 12:45PM Aug 18, 2019Observed: 16.26 ft at 1:00PM Aug 18, 2019Observed: 16.25 ft at 1:15PM Aug 18, 2019Observed: 16.25 ft at 1:30PM Aug 18, 2019Observed: 16.28 ft at 1:45PM Aug 18, 2019Observed: 16.27 ft at 2:00PM Aug 18, 2019Observed: 16.27 ft at 2:15PM Aug 18, 2019Observed: 16.25 ft at 2:30PM Aug 18, 2019Observed: 16.26 ft at 2:45PM Aug 18, 2019Observed: 16.27 ft at 3:00PM Aug 18, 2019Observed: 16.26 ft at 3:15PM Aug 18, 2019Observed: 16.27 ft at 3:30PM Aug 18, 2019Observed: 16.26 ft at 3:45PM Aug 18, 2019Observed: 16.27 ft at 4:00PM Aug 18, 2019Observed: 16.27 ft at 4:15PM Aug 18, 2019Observed: 16.27 ft at 4:30PM Aug 18, 2019Observed: 16.27 ft at 4:31PM Aug 18, 2019Observed: 16.28 ft at 4:45PM Aug 18, 2019Observed: 16.28 ft at 4:46PM Aug 18, 2019Observed: 16.28 ft at 5:00PM Aug 18, 2019Observed: 16.28 ft at 5:01PM Aug 18, 2019Observed: 16.27 ft at 5:15PM Aug 18, 2019Observed: 16.27 ft at 5:30PM Aug 18, 2019Observed: 16.27 ft at 5:45PM Aug 18, 2019Observed: 16.27 ft at 6:00PM Aug 18, 2019Observed: 16.28 ft at 6:15PM Aug 18, 2019Observed: 16.28 ft at 6:30PM Aug 18, 2019Observed: 16.26 ft at 6:45PM Aug 18, 2019Observed: 16.26 ft at 7:00PM Aug 18, 2019Observed: 16.27 ft at 7:15PM Aug 18, 2019Observed: 16.28 ft at 7:30PM Aug 18, 2019Observed: 16.28 ft at 7:45PM Aug 18, 2019Observed: 16.29 ft at 8:00PM Aug 18, 2019Observed: 16.28 ft at 8:15PM Aug 18, 2019Observed: 16.3 ft at 8:30PM Aug 18, 2019Observed: 16.29 ft at 8:45PM Aug 18, 2019Observed: 16.31 ft at 9:00PM Aug 18, 2019Observed: 16.3 ft at 9:15PM Aug 18, 2019Observed: 16.31 ft at 9:30PM Aug 18, 2019Observed: 16.33 ft at 9:45PM Aug 18, 2019Observed: 16.32 ft at 10:00PM Aug 18, 2019Observed: 16.34 ft at 10:15PM Aug 18, 2019Observed: 16.34 ft at 10:30PM Aug 18, 2019Observed: 16.34 ft at 10:45PM Aug 18, 2019Observed: 16.35 ft at 11:00PM Aug 18, 2019Observed: 16.34 ft at 11:15PM Aug 18, 2019Observed: 16.34 ft at 11:30PM Aug 18, 2019Observed: 16.38 ft at 11:45PM Aug 18, 2019Observed: 16.38 ft at 12:00AM Aug 19, 2019Observed: 16.39 ft at 12:15AM Aug 19, 2019Observed: 16.4 ft at 12:30AM Aug 19, 2019Observed: 16.4 ft at 12:32AM Aug 19, 2019Observed: 16.39 ft at 12:45AM Aug 19, 2019Observed: 16.39 ft at 12:47AM Aug 19, 2019Observed: 16.4 ft at 1:00AM Aug 19, 2019Observed: 16.4 ft at 1:02AM Aug 19, 2019Observed: 16.4 ft at 1:15AM Aug 19, 2019Observed: 16.42 ft at 1:30AM Aug 19, 2019Observed: 16.42 ft at 1:45AM Aug 19, 2019Observed: 16.43 ft at 2:00AM Aug 19, 2019Observed: 16.45 ft at 2:15AM Aug 19, 2019Observed: 16.44 ft at 2:30AM Aug 19, 2019Observed: 16.46 ft at 2:45AM Aug 19, 2019Observed: 16.45 ft at 3:00AM Aug 19, 2019Observed: 16.47 ft at 3:15AM Aug 19, 2019Observed: 16.48 ft at 3:30AM Aug 19, 2019Observed: 16.48 ft at 3:45AM Aug 19, 2019Observed: 16.49 ft at 4:00AM Aug 19, 2019Observed: 16.49 ft at 4:15AM Aug 19, 2019Observed: 16.49 ft at 4:30AM Aug 19, 2019Observed: 16.51 ft at 4:45AM Aug 19, 2019Observed: 16.51 ft at 5:00AM Aug 19, 2019Observed: 16.52 ft at 5:15AM Aug 19, 2019Observed: 16.52 ft at 5:30AM Aug 19, 2019Observed: 16.53 ft at 5:45AM Aug 19, 2019Observed: 16.53 ft at 6:00AM Aug 19, 2019Observed: 16.54 ft at 6:15AM Aug 19, 2019Observed: 16.54 ft at 6:30AM Aug 19, 2019Observed: 16.53 ft at 6:45AM Aug 19, 2019Observed: 16.53 ft at 7:00AM Aug 19, 2019Observed: 16.55 ft at 7:15AM Aug 19, 2019Observed: 16.55 ft at 7:30AM Aug 19, 2019Observed: 16.54 ft at 7:45AM Aug 19, 2019Observed: 16.53 ft at 8:00AM Aug 19, 2019Observed: 16.54 ft at 8:15AM Aug 19, 2019Observed: 16.55 ft at 8:30AM Aug 19, 2019Observed: 16.55 ft at 8:32AM Aug 19, 2019Observed: 16.53 ft at 8:45AM Aug 19, 2019Observed: 16.53 ft at 8:47AM Aug 19, 2019Observed: 16.53 ft at 9:00AM Aug 19, 2019Observed: 16.53 ft at 9:02AM Aug 19, 2019Observed: 16.55 ft at 9:15AM Aug 19, 2019Observed: 16.54 ft at 9:30AM Aug 19, 2019Observed: 16.52 ft at 9:45AM Aug 19, 2019Observed: 16.54 ft at 10:00AM Aug 19, 2019Observed: 16.52 ft at 10:15AM Aug 19, 2019Observed: 16.52 ft at 10:30AM Aug 19, 2019Observed: 16.52 ft at 10:45AM Aug 19, 2019Observed: 16.51 ft at 11:00AM Aug 19, 2019Observed: 16.52 ft at 11:15AM Aug 19, 2019Observed: 16.51 ft at 11:30AM Aug 19, 2019Observed: 16.5 ft at 11:45AM Aug 19, 2019Observed: 16.5 ft at 12:00PM Aug 19, 2019Observed: 16.5 ft at 12:15PM Aug 19, 2019Observed: 16.48 ft at 12:30PM Aug 19, 2019Observed: 16.49 ft at 12:45PM Aug 19, 2019Observed: 16.47 ft at 1:00PM Aug 19, 2019Observed: 16.49 ft at 1:15PM Aug 19, 2019Observed: 16.49 ft at 1:30PM Aug 19, 2019Observed: 16.47 ft at 1:45PM Aug 19, 2019Observed: 16.47 ft at 2:00PM Aug 19, 2019Observed: 16.47 ft at 2:15PM Aug 19, 2019Observed: 16.45 ft at 2:30PM Aug 19, 2019Observed: 16.47 ft at 2:45PM Aug 19, 2019Observed: 16.45 ft at 3:00PM Aug 19, 2019Observed: 16.44 ft at 3:15PM Aug 19, 2019Observed: 16.43 ft at 3:30PM Aug 19, 2019Observed: 16.44 ft at 3:45PM Aug 19, 2019Observed: 16.44 ft at 4:00PM Aug 19, 2019Observed: 16.42 ft at 4:15PM Aug 19, 2019Observed: 16.43 ft at 4:30PM Aug 19, 2019Observed: 16.43 ft at 4:32PM Aug 19, 2019Observed: 16.44 ft at 4:45PM Aug 19, 2019Observed: 16.44 ft at 4:47PM Aug 19, 2019Observed: 16.42 ft at 5:00PM Aug 19, 2019Observed: 16.42 ft at 5:02PM Aug 19, 2019Observed: 16.43 ft at 5:15PM Aug 19, 2019Observed: 16.42 ft at 5:30PM Aug 19, 2019Observed: 16.42 ft at 5:45PM Aug 19, 2019Observed: 16.39 ft at 6:00PM Aug 19, 2019Observed: 16.39 ft at 6:15PM Aug 19, 2019Observed: 16.4 ft at 6:30PM Aug 19, 2019Observed: 16.4 ft at 6:45PM Aug 19, 2019Observed: 16.38 ft at 7:00PM Aug 19, 2019Observed: 16.4 ft at 7:15PM Aug 19, 2019Observed: 16.38 ft at 7:30PM Aug 19, 2019Observed: 16.39 ft at 7:45PM Aug 19, 2019Observed: 16.37 ft at 8:00PM Aug 19, 2019Observed: 16.39 ft at 8:15PM Aug 19, 2019Observed: 16.38 ft at 8:30PM Aug 19, 2019Observed: 16.37 ft at 8:45PM Aug 19, 2019Observed: 16.36 ft at 9:00PM Aug 19, 2019Observed: 16.37 ft at 9:15PM Aug 19, 2019Observed: 16.37 ft at 9:30PM Aug 19, 2019Observed: 16.35 ft at 9:45PM Aug 19, 2019Observed: 16.36 ft at 10:00PM Aug 19, 2019Observed: 16.36 ft at 10:15PM Aug 19, 2019Observed: 16.35 ft at 10:30PM Aug 19, 2019Observed: 16.35 ft at 10:45PM Aug 19, 2019Observed: 16.37 ft at 11:00PM Aug 19, 2019Observed: 16.35 ft at 11:15PM Aug 19, 2019Observed: 16.33 ft at 11:30PM Aug 19, 2019Observed: 16.35 ft at 11:45PM Aug 19, 2019Observed: 16.34 ft at 12:00AM Aug 20, 2019Observed: 16.36 ft at 12:15AM Aug 20, 2019Observed: 16.34 ft at 12:30AM Aug 20, 2019Observed: 16.35 ft at 12:45AM Aug 20, 2019Observed: 16.35 ft at 12:46AM Aug 20, 2019Observed: 16.35 ft at 1:00AM Aug 20, 2019Observed: 16.35 ft at 1:01AM Aug 20, 2019Observed: 16.34 ft at 1:15AM Aug 20, 2019Observed: 16.34 ft at 1:16AM Aug 20, 2019Observed: 16.33 ft at 1:30AM Aug 20, 2019Observed: 16.33 ft at 1:45AM Aug 20, 2019Observed: 16.33 ft at 2:00AM Aug 20, 2019Observed: 16.34 ft at 2:15AM Aug 20, 2019Observed: 16.34 ft at 2:30AM Aug 20, 2019Observed: 16.34 ft at 2:45AM Aug 20, 2019Observed: 16.33 ft at 3:00AM Aug 20, 2019Observed: 16.32 ft at 3:15AM Aug 20, 2019Observed: 16.33 ft at 3:30AM Aug 20, 2019Observed: 16.34 ft at 3:45AM Aug 20, 2019Observed: 16.3 ft at 4:00AM Aug 20, 2019Observed: 16.34 ft at 4:15AM Aug 20, 2019Observed: 16.32 ft at 4:30AM Aug 20, 2019Observed: 16.34 ft at 4:45AM Aug 20, 2019Observed: 16.33 ft at 5:00AM Aug 20, 2019Observed: 16.36 ft at 5:15AM Aug 20, 2019Observed: 16.31 ft at 5:30AM Aug 20, 2019Observed: 16.32 ft at 5:45AM Aug 20, 2019Observed: 16.32 ft at 6:00AM Aug 20, 2019Observed: 16.32 ft at 6:15AM Aug 20, 2019Observed: 16.33 ft at 6:30AM Aug 20, 2019Observed: 16.31 ft at 6:45AM Aug 20, 2019Observed: 16.34 ft at 7:00AM Aug 20, 2019Observed: 16.33 ft at 7:15AM Aug 20, 2019Observed: 16.32 ft at 7:30AM Aug 20, 2019Observed: 16.33 ft at 7:45AM Aug 20, 2019Observed: 16.34 ft at 8:00AM Aug 20, 2019Observed: 16.33 ft at 8:15AM Aug 20, 2019Observed: 16.31 ft at 8:30AM Aug 20, 2019Observed: 16.34 ft at 8:45AM Aug 20, 2019Observed: 16.34 ft at 8:47AM Aug 20, 2019Observed: 16.34 ft at 9:00AM Aug 20, 2019Observed: 16.34 ft at 9:02AM Aug 20, 2019Observed: 16.33 ft at 9:15AM Aug 20, 2019Observed: 16.33 ft at 9:17AM Aug 20, 2019Observed: 16.33 ft at 9:30AM Aug 20, 2019Observed: 16.34 ft at 9:45AM Aug 20, 2019Observed: 16.34 ft at 10:00AM Aug 20, 2019Observed: 16.34 ft at 10:15AM Aug 20, 2019Observed: 16.33 ft at 10:30AM Aug 20, 2019Observed: 16.33 ft at 10:45AM Aug 20, 2019Observed: 16.34 ft at 11:00AM Aug 20, 2019Observed: 16.33 ft at 11:15AM Aug 20, 2019Observed: 16.33 ft at 11:30AM Aug 20, 2019Observed: 16.34 ft at 11:45AM Aug 20, 2019Observed: 16.34 ft at 12:00PM Aug 20, 2019Observed: 16.35 ft at 12:15PM Aug 20, 2019Observed: 16.33 ft at 12:30PM Aug 20, 2019Observed: 16.33 ft at 12:45PM Aug 20, 2019Observed: 16.35 ft at 1:00PM Aug 20, 2019Observed: 16.34 ft at 1:15PM Aug 20, 2019Observed: 16.35 ft at 1:30PM Aug 20, 2019Observed: 16.37 ft at 1:45PM Aug 20, 2019Observed: 16.35 ft at 2:00PM Aug 20, 2019Observed: 16.37 ft at 2:15PM Aug 20, 2019Observed: 16.35 ft at 2:30PM Aug 20, 2019Observed: 16.37 ft at 2:45PM Aug 20, 2019Observed: 16.38 ft at 3:00PM Aug 20, 2019Observed: 16.36 ft at 3:15PM Aug 20, 2019Observed: 16.38 ft at 3:30PM Aug 20, 2019Observed: 16.39 ft at 3:45PM Aug 20, 2019Observed: 16.37 ft at 4:00PM Aug 20, 2019Observed: 16.38 ft at 4:15PM Aug 20, 2019Observed: 16.38 ft at 4:30PM Aug 20, 2019Observed: 16.38 ft at 4:45PM Aug 20, 2019Observed: 16.38 ft at 4:46PM Aug 20, 2019Observed: 16.38 ft at 5:00PM Aug 20, 2019Observed: 16.38 ft at 5:01PM Aug 20, 2019Observed: 16.37 ft at 5:15PM Aug 20, 2019Observed: 16.37 ft at 5:16PM Aug 20, 2019Observed: 16.39 ft at 5:30PM Aug 20, 2019Observed: 16.38 ft at 5:45PM Aug 20, 2019Observed: 16.39 ft at 6:00PM Aug 20, 2019Observed: 16.4 ft at 6:15PM Aug 20, 2019Observed: 16.39 ft at 6:30PM Aug 20, 2019Observed: 16.4 ft at 6:45PM Aug 20, 2019Observed: 16.4 ft at 7:00PM Aug 20, 2019Observed: 16.41 ft at 7:15PM Aug 20, 2019Observed: 16.41 ft at 7:30PM Aug 20, 2019Observed: 16.41 ft at 7:45PM Aug 20, 2019Observed: 16.42 ft at 8:00PM Aug 20, 2019Observed: 16.4 ft at 8:15PM Aug 20, 2019Observed: 16.42 ft at 8:30PM Aug 20, 2019Observed: 16.41 ft at 8:45PM Aug 20, 2019Observed: 16.42 ft at 9:00PM Aug 20, 2019Observed: 16.43 ft at 9:15PM Aug 20, 2019Observed: 16.44 ft at 9:30PM Aug 20, 2019Observed: 16.44 ft at 9:45PM Aug 20, 2019Observed: 16.45 ft at 10:00PM Aug 20, 2019Observed: 16.45 ft at 10:15PM Aug 20, 2019Observed: 16.45 ft at 10:30PM Aug 20, 2019Observed: 16.47 ft at 10:45PM Aug 20, 2019Observed: 16.47 ft at 11:00PM Aug 20, 2019Observed: 16.47 ft at 11:15PM Aug 20, 2019Observed: 16.47 ft at 11:30PM Aug 20, 2019Observed: 16.47 ft at 11:45PM Aug 20, 2019Observed: 16.49 ft at 12:00AM Aug 21, 2019Observed: 16.5 ft at 12:15AM Aug 21, 2019Observed: 16.49 ft at 12:30AM Aug 21, 2019Observed: 16.49 ft at 12:45AM Aug 21, 2019Observed: 16.49 ft at 12:46AM Aug 21, 2019Observed: 16.49 ft at 1:00AM Aug 21, 2019Observed: 16.49 ft at 1:01AM Aug 21, 2019Observed: 16.51 ft at 1:15AM Aug 21, 2019Observed: 16.51 ft at 1:16AM Aug 21, 2019Observed: 16.51 ft at 1:30AM Aug 21, 2019Observed: 16.53 ft at 1:45AM Aug 21, 2019Observed: 16.52 ft at 2:00AM Aug 21, 2019Observed: 16.52 ft at 2:15AM Aug 21, 2019Observed: 16.51 ft at 2:30AM Aug 21, 2019Observed: 16.53 ft at 2:45AM Aug 21, 2019Observed: 16.51 ft at 3:00AM Aug 21, 2019Observed: 16.53 ft at 3:15AM Aug 21, 2019Observed: 16.53 ft at 3:30AM Aug 21, 2019Observed: 16.53 ft at 3:45AM Aug 21, 2019Observed: 16.56 ft at 4:00AM Aug 21, 2019Observed: 16.53 ft at 4:15AM Aug 21, 2019Observed: 16.55 ft at 4:30AM Aug 21, 2019Observed: 16.55 ft at 4:45AM Aug 21, 2019Observed: 16.55 ft at 5:00AM Aug 21, 2019Observed: 16.55 ft at 5:15AM Aug 21, 2019Observed: 16.55 ft at 5:30AM Aug 21, 2019Observed: 16.55 ft at 5:45AM Aug 21, 2019Observed: 16.55 ft at 6:00AM Aug 21, 2019Observed: 16.57 ft at 6:15AM Aug 21, 2019Observed: 16.58 ft at 6:30AM Aug 21, 2019Observed: 16.56 ft at 6:45AM Aug 21, 2019Observed: 16.57 ft at 7:00AM Aug 21, 2019Observed: 16.57 ft at 7:15AM Aug 21, 2019Observed: 16.6 ft at 7:30AM Aug 21, 2019Observed: 16.59 ft at 7:45AM Aug 21, 2019Observed: 16.58 ft at 8:00AM Aug 21, 2019Observed: 16.6 ft at 8:15AM Aug 21, 2019Observed: 16.59 ft at 8:30AM Aug 21, 2019Observed: 16.61 ft at 8:45AM Aug 21, 2019Observed: 16.61 ft at 8:47AM Aug 21, 2019Observed: 16.6 ft at 9:00AM Aug 21, 2019Observed: 16.6 ft at 9:02AM Aug 21, 2019Observed: 16.6 ft at 9:15AM Aug 21, 2019Observed: 16.6 ft at 9:17AM Aug 21, 2019Observed: 16.62 ft at 9:30AM Aug 21, 2019Observed: 16.62 ft at 9:45AM Aug 21, 2019Observed: 16.63 ft at 10:00AM Aug 21, 2019Observed: 16.63 ft at 10:15AM Aug 21, 2019Observed: 16.64 ft at 10:30AM Aug 21, 2019Observed: 16.63 ft at 10:45AM Aug 21, 2019Observed: 16.64 ft at 11:00AM Aug 21, 2019Observed: 16.64 ft at 11:15AM Aug 21, 2019Observed: 16.66 ft at 11:30AM Aug 21, 2019Observed: 16.64 ft at 11:45AM Aug 21, 2019Observed: 16.66 ft at 12:00PM Aug 21, 2019Observed: 16.66 ft at 12:15PM Aug 21, 2019Observed: 16.66 ft at 12:30PM Aug 21, 2019Observed: 16.66 ft at 12:45PM Aug 21, 2019Observed: 16.67 ft at 1:00PM Aug 21, 2019Observed: 16.67 ft at 1:15PM Aug 21, 2019Observed: 16.65 ft at 1:30PM Aug 21, 2019Observed: 16.68 ft at 1:45PM Aug 21, 2019Observed: 16.69 ft at 2:00PM Aug 21, 2019Observed: 16.68 ft at 2:15PM Aug 21, 2019Observed: 16.7 ft at 2:30PM Aug 21, 2019Observed: 16.7 ft at 2:45PM Aug 21, 2019Observed: 16.68 ft at 3:00PM Aug 21, 2019Observed: 16.69 ft at 3:15PM Aug 21, 2019Observed: 16.71 ft at 3:30PM Aug 21, 2019Observed: 16.71 ft at 3:45PM Aug 21, 2019Observed: 16.7 ft at 4:00PM Aug 21, 2019Observed: 16.71 ft at 4:15PM Aug 21, 2019Observed: 16.7 ft at 4:30PM Aug 21, 2019Observed: 16.72 ft at 4:45PM Aug 21, 2019Observed: 16.72 ft at 4:47PM Aug 21, 2019Observed: 16.72 ft at 5:00PM Aug 21, 2019Observed: 16.72 ft at 5:02PM Aug 21, 2019Observed: 16.72 ft at 5:15PM Aug 21, 2019Observed: 16.72 ft at 5:17PM Aug 21, 2019Observed: 16.75 ft at 5:30PM Aug 21, 2019Observed: 16.73 ft at 5:45PM Aug 21, 2019Observed: 16.74 ft at 6:00PM Aug 21, 2019Observed: 16.76 ft at 6:15PM Aug 21, 2019Observed: 16.76 ft at 6:30PM Aug 21, 2019Observed: 16.74 ft at 6:45PM Aug 21, 2019Observed: 16.75 ft at 7:00PM Aug 21, 2019Observed: 16.75 ft at 7:15PM Aug 21, 2019Observed: 16.75 ft at 7:30PM Aug 21, 2019Observed: 16.77 ft at 7:45PM Aug 21, 2019Observed: 16.76 ft at 8:00PM Aug 21, 2019Observed: 16.77 ft at 8:15PM Aug 21, 2019Observed: 16.76 ft at 8:30PM Aug 21, 2019Observed: 16.77 ft at 8:45PM Aug 21, 2019Observed: 16.79 ft at 9:00PM Aug 21, 2019Observed: 16.79 ft at 9:15PM Aug 21, 2019Observed: 16.79 ft at 9:30PM Aug 21, 2019Observed: 16.79 ft at 9:45PM Aug 21, 2019Observed: 16.79 ft at 10:00PM Aug 21, 2019Observed: 16.8 ft at 10:15PM Aug 21, 2019Observed: 16.79 ft at 10:30PM Aug 21, 2019Observed: 16.79 ft at 10:45PM Aug 21, 2019Observed: 16.79 ft at 11:00PM Aug 21, 2019Observed: 16.81 ft at 11:15PM Aug 21, 2019Observed: 16.82 ft at 11:30PM Aug 21, 2019Observed: 16.82 ft at 11:45PM Aug 21, 2019Observed: 16.81 ft at 12:00AM Aug 22, 2019Highest Observation: 16.83 ft at 12:15AM Aug 22, 2019Highest Observation: 16.83 ft at 12:30AM Aug 22, 2019Observed: 16.82 ft at 12:46AM Aug 22, 2019Highest Observation: 16.83 ft at 1:01AM Aug 22, 2019Highest Observation: 16.83 ft at 1:16AM Aug 22, 2019USGS--Water Resources of the United StatesHWDI4(plotting HGIRG) Graph Created (1:48AM Aug 22, 2019)ObservedLatest observed value: 16.83 ft at 1:16 AM CDT 22-Aug-2019. Flood Stage is 20.5 ft
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Tabular Data (UTC)
Tabular Data (CDT)
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Datum: NAVD88
Metadata
NOTE: Flow values shown may be different than other data sources. All observations are preliminary data.

NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.

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.
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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 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 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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