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Hydrograph River at a Glance Download
Big Sioux River above Hawarden Stage (ft)Flow (cfs)Highest Observation: 11.16 ft at 7:00PM Jul 20, 2021Observed: 11.15 ft at 7:15PM Jul 20, 2021Highest Observation: 11.16 ft at 7:30PM Jul 20, 2021Highest Observation: 11.16 ft at 7:45PM Jul 20, 2021Observed: 11.15 ft at 8:00PM Jul 20, 2021Observed: 11.15 ft at 8:15PM Jul 20, 2021Highest Observation: 11.16 ft at 8:30PM Jul 20, 2021Observed: 11.14 ft at 8:45PM Jul 20, 2021Observed: 11.15 ft at 9:00PM Jul 20, 2021Observed: 11.15 ft at 9:01PM Jul 20, 2021Observed: 11.15 ft at 9:15PM Jul 20, 2021Observed: 11.15 ft at 9:16PM Jul 20, 2021Observed: 11.15 ft at 9:30PM Jul 20, 2021Observed: 11.15 ft at 9:31PM Jul 20, 2021Observed: 11.15 ft at 9:45PM Jul 20, 2021Observed: 11.15 ft at 10:00PM Jul 20, 2021Observed: 11.15 ft at 10:15PM Jul 20, 2021Observed: 11.14 ft at 10:30PM Jul 20, 2021Observed: 11.14 ft at 10:45PM Jul 20, 2021Observed: 11.14 ft at 11:00PM Jul 20, 2021Observed: 11.14 ft at 11:15PM Jul 20, 2021Observed: 11.13 ft at 11:30PM Jul 20, 2021Observed: 11.13 ft at 11:45PM Jul 20, 2021Observed: 11.14 ft at 12:00AM Jul 21, 2021Observed: 11.14 ft at 12:15AM Jul 21, 2021Observed: 11.12 ft at 12:30AM Jul 21, 2021Observed: 11.14 ft at 12:45AM Jul 21, 2021Observed: 11.15 ft at 1:00AM Jul 21, 2021Observed: 11.13 ft at 1:15AM Jul 21, 2021Observed: 11.12 ft at 1:30AM Jul 21, 2021Observed: 11.14 ft at 1:45AM Jul 21, 2021Observed: 11.13 ft at 2:00AM Jul 21, 2021Observed: 11.13 ft at 2:15AM Jul 21, 2021Observed: 11.14 ft at 2:30AM Jul 21, 2021Observed: 11.13 ft at 2:45AM Jul 21, 2021Observed: 11.12 ft at 3:00AM Jul 21, 2021Observed: 11.12 ft at 3:15AM Jul 21, 2021Observed: 11.12 ft at 3:30AM Jul 21, 2021Observed: 11.12 ft at 3:45AM Jul 21, 2021Observed: 11.12 ft at 4:00AM Jul 21, 2021Observed: 11.12 ft at 4:15AM Jul 21, 2021Observed: 11.12 ft at 4:30AM Jul 21, 2021Observed: 11.13 ft at 4:45AM Jul 21, 2021Observed: 11.13 ft at 5:00AM Jul 21, 2021Observed: 11.13 ft at 5:15AM Jul 21, 2021Observed: 11.12 ft at 5:30AM Jul 21, 2021Observed: 11.11 ft at 5:45AM Jul 21, 2021Observed: 11.12 ft at 6:00AM Jul 21, 2021Observed: 11.1 ft at 6:15AM Jul 21, 2021Observed: 11.11 ft at 6:30AM Jul 21, 2021Observed: 11.1 ft at 6:45AM Jul 21, 2021Observed: 11.11 ft at 7:00AM Jul 21, 2021Observed: 11.1 ft at 7:15AM Jul 21, 2021Observed: 11.11 ft at 7:30AM Jul 21, 2021Observed: 11.12 ft at 7:45AM Jul 21, 2021Observed: 11.11 ft at 8:00AM Jul 21, 2021Observed: 11.1 ft at 8:15AM Jul 21, 2021Observed: 11.1 ft at 8:30AM Jul 21, 2021Observed: 11.09 ft at 8:45AM Jul 21, 2021Observed: 11.1 ft at 9:00AM Jul 21, 2021Observed: 11.12 ft at 9:15AM Jul 21, 2021Observed: 11.09 ft at 9:30AM Jul 21, 2021Observed: 11.09 ft at 9:45AM Jul 21, 2021Observed: 11.11 ft at 10:00AM Jul 21, 2021Observed: 11.1 ft at 10:15AM Jul 21, 2021Observed: 11.1 ft at 10:30AM Jul 21, 2021Observed: 11.1 ft at 10:45AM Jul 21, 2021Observed: 11.08 ft at 11:00AM Jul 21, 2021Observed: 11.1 ft at 11:15AM Jul 21, 2021Observed: 11.1 ft at 11:30AM Jul 21, 2021Observed: 11.09 ft at 11:45AM Jul 21, 2021Observed: 11.09 ft at 12:00PM Jul 21, 2021Observed: 11.09 ft at 12:15PM Jul 21, 2021Observed: 11.09 ft at 12:30PM Jul 21, 2021Observed: 11.08 ft at 12:45PM Jul 21, 2021Observed: 11.1 ft at 1:00PM Jul 21, 2021Observed: 11.1 ft at 1:02PM Jul 21, 2021Observed: 11.09 ft at 1:15PM Jul 21, 2021Observed: 11.09 ft at 1:17PM Jul 21, 2021Observed: 11.1 ft at 1:30PM Jul 21, 2021Observed: 11.1 ft at 1:32PM Jul 21, 2021Observed: 11.1 ft at 1:45PM Jul 21, 2021Observed: 11.08 ft at 2:00PM Jul 21, 2021Observed: 11.08 ft at 2:15PM Jul 21, 2021Observed: 11.1 ft at 2:30PM Jul 21, 2021Observed: 11.09 ft at 2:45PM Jul 21, 2021Observed: 11.09 ft at 3:00PM Jul 21, 2021Observed: 11.09 ft at 3:15PM Jul 21, 2021Observed: 11.11 ft at 3:30PM Jul 21, 2021Observed: 11.08 ft at 3:45PM Jul 21, 2021Observed: 11.1 ft at 4:00PM Jul 21, 2021Observed: 11.08 ft at 4:15PM Jul 21, 2021Observed: 11.1 ft at 4:30PM Jul 21, 2021Observed: 11.11 ft at 4:45PM Jul 21, 2021Observed: 11.09 ft at 5:00PM Jul 21, 2021Observed: 11.07 ft at 5:15PM Jul 21, 2021Observed: 11.09 ft at 5:30PM Jul 21, 2021Observed: 11.09 ft at 5:45PM Jul 21, 2021Observed: 11.09 ft at 6:00PM Jul 21, 2021Observed: 11.09 ft at 6:15PM Jul 21, 2021Observed: 11.08 ft at 6:30PM Jul 21, 2021Observed: 11.08 ft at 6:45PM Jul 21, 2021Observed: 11.1 ft at 7:00PM Jul 21, 2021Observed: 11.08 ft at 7:15PM Jul 21, 2021Observed: 11.08 ft at 7:30PM Jul 21, 2021Observed: 11.08 ft at 7:45PM Jul 21, 2021Observed: 11.08 ft at 8:00PM Jul 21, 2021Observed: 11.07 ft at 8:15PM Jul 21, 2021Observed: 11.08 ft at 8:30PM Jul 21, 2021Observed: 11.07 ft at 8:45PM Jul 21, 2021Observed: 11.08 ft at 9:00PM Jul 21, 2021Observed: 11.08 ft at 9:01PM Jul 21, 2021Observed: 11.08 ft at 9:15PM Jul 21, 2021Observed: 11.08 ft at 9:16PM Jul 21, 2021Observed: 11.07 ft at 9:30PM Jul 21, 2021Observed: 11.07 ft at 9:31PM Jul 21, 2021Observed: 11.07 ft at 9:45PM Jul 21, 2021Observed: 11.07 ft at 10:00PM Jul 21, 2021Observed: 11.07 ft at 10:15PM Jul 21, 2021Observed: 11.08 ft at 10:30PM Jul 21, 2021Observed: 11.06 ft at 10:45PM Jul 21, 2021Observed: 11.07 ft at 11:00PM Jul 21, 2021Observed: 11.06 ft at 11:15PM Jul 21, 2021Observed: 11.07 ft at 11:30PM Jul 21, 2021Observed: 10.98 ft at 8:45AM Jul 23, 2021Observed: 10.98 ft at 9:00AM Jul 23, 2021Observed: 10.98 ft at 9:15AM Jul 23, 2021Observed: 10.98 ft at 9:30AM Jul 23, 2021Observed: 10.99 ft at 9:45AM Jul 23, 2021Observed: 10.98 ft at 10:00AM Jul 23, 2021Observed: 10.99 ft at 10:15AM Jul 23, 2021Observed: 10.98 ft at 10:30AM Jul 23, 2021Observed: 10.97 ft at 10:45AM Jul 23, 2021Observed: 10.98 ft at 11:00AM Jul 23, 2021Observed: 10.98 ft at 11:15AM Jul 23, 2021Observed: 10.98 ft at 11:30AM Jul 23, 2021Observed: 10.98 ft at 11:45AM Jul 23, 2021Observed: 10.98 ft at 12:00PM Jul 23, 2021Observed: 10.98 ft at 12:15PM Jul 23, 2021Observed: 10.97 ft at 12:30PM Jul 23, 2021Observed: 10.98 ft at 12:45PM Jul 23, 2021Observed: 10.99 ft at 1:00PM Jul 23, 2021Observed: 10.97 ft at 1:15PM Jul 23, 2021Observed: 10.97 ft at 1:17PM Jul 23, 2021Observed: 10.98 ft at 1:30PM Jul 23, 2021Observed: 10.98 ft at 1:32PM Jul 23, 2021Observed: 10.98 ft at 1:45PM Jul 23, 2021Observed: 10.98 ft at 1:47PM Jul 23, 2021Observed: 10.97 ft at 2:00PM Jul 23, 2021Observed: 10.97 ft at 2:15PM Jul 23, 2021Observed: 10.98 ft at 2:30PM Jul 23, 2021Observed: 10.97 ft at 2:45PM Jul 23, 2021Observed: 10.96 ft at 3:00PM Jul 23, 2021Observed: 10.97 ft at 3:15PM Jul 23, 2021Observed: 10.97 ft at 3:30PM Jul 23, 2021Observed: 10.96 ft at 3:45PM Jul 23, 2021Observed: 10.96 ft at 4:00PM Jul 23, 2021Observed: 10.95 ft at 4:15PM Jul 23, 2021Observed: 10.95 ft at 4:30PM Jul 23, 2021Observed: 10.95 ft at 4:45PM Jul 23, 2021Observed: 10.96 ft at 5:00PM Jul 23, 2021Observed: 10.97 ft at 5:15PM Jul 23, 2021Observed: 10.94 ft at 5:30PM Jul 23, 2021Observed: 10.96 ft at 5:45PM Jul 23, 2021Observed: 10.95 ft at 6:00PM Jul 23, 2021Observed: 10.95 ft at 6:15PM Jul 23, 2021Observed: 10.94 ft at 6:30PM Jul 23, 2021Observed: 10.96 ft at 6:45PM Jul 23, 2021Observed: 10.95 ft at 7:00PM Jul 23, 2021Observed: 10.95 ft at 7:15PM Jul 23, 2021Observed: 10.95 ft at 7:30PM Jul 23, 2021Observed: 10.94 ft at 7:45PM Jul 23, 2021Observed: 10.93 ft at 8:00PM Jul 23, 2021Observed: 10.95 ft at 8:15PM Jul 23, 2021Observed: 10.95 ft at 8:30PM Jul 23, 2021Observed: 10.94 ft at 8:45PM Jul 23, 2021Observed: 10.96 ft at 9:00PM Jul 23, 2021Observed: 10.95 ft at 9:15PM Jul 23, 2021Observed: 10.95 ft at 9:17PM Jul 23, 2021Observed: 10.94 ft at 9:30PM Jul 23, 2021Observed: 10.94 ft at 9:32PM Jul 23, 2021Observed: 10.95 ft at 9:45PM Jul 23, 2021Observed: 10.95 ft at 9:47PM Jul 23, 2021Observed: 10.94 ft at 10:00PM Jul 23, 2021Observed: 10.95 ft at 10:15PM Jul 23, 2021Observed: 10.94 ft at 10:30PM Jul 23, 2021Observed: 10.94 ft at 10:45PM Jul 23, 2021Observed: 10.94 ft at 11:00PM Jul 23, 2021Observed: 10.93 ft at 11:15PM Jul 23, 2021Observed: 10.95 ft at 11:30PM Jul 23, 2021Observed: 10.93 ft at 11:45PM Jul 23, 2021Observed: 10.94 ft at 12:00AM Jul 24, 2021Observed: 10.95 ft at 12:15AM Jul 24, 2021Observed: 10.93 ft at 12:30AM Jul 24, 2021Observed: 10.95 ft at 12:45AM Jul 24, 2021Observed: 10.94 ft at 1:00AM Jul 24, 2021Observed: 10.94 ft at 1:15AM Jul 24, 2021Observed: 10.93 ft at 1:30AM Jul 24, 2021Observed: 10.94 ft at 1:45AM Jul 24, 2021Observed: 10.93 ft at 2:00AM Jul 24, 2021Observed: 10.94 ft at 2:15AM Jul 24, 2021Observed: 10.94 ft at 2:30AM Jul 24, 2021Observed: 10.94 ft at 2:45AM Jul 24, 2021Observed: 10.94 ft at 3:00AM Jul 24, 2021Observed: 10.93 ft at 3:15AM Jul 24, 2021Observed: 10.95 ft at 3:30AM Jul 24, 2021Observed: 10.94 ft at 3:45AM Jul 24, 2021Observed: 10.94 ft at 4:00AM Jul 24, 2021Observed: 10.93 ft at 4:15AM Jul 24, 2021Observed: 10.93 ft at 4:30AM Jul 24, 2021Observed: 10.94 ft at 4:45AM Jul 24, 2021Observed: 10.94 ft at 5:00AM Jul 24, 2021Observed: 10.95 ft at 5:15AM Jul 24, 2021Observed: 10.95 ft at 5:17AM Jul 24, 2021Observed: 10.93 ft at 5:30AM Jul 24, 2021Observed: 10.93 ft at 5:32AM Jul 24, 2021Observed: 10.93 ft at 5:45AM Jul 24, 2021Observed: 10.93 ft at 5:47AM Jul 24, 2021Observed: 10.94 ft at 6:00AM Jul 24, 2021Observed: 10.93 ft at 6:15AM Jul 24, 2021Observed: 10.95 ft at 6:30AM Jul 24, 2021Observed: 10.93 ft at 6:45AM Jul 24, 2021Observed: 10.94 ft at 7:00AM Jul 24, 2021Observed: 10.93 ft at 7:15AM Jul 24, 2021Observed: 10.93 ft at 7:30AM Jul 24, 2021Observed: 10.93 ft at 7:45AM Jul 24, 2021Observed: 10.93 ft at 8:00AM Jul 24, 2021Observed: 10.93 ft at 8:15AM Jul 24, 2021Observed: 10.94 ft at 8:30AM Jul 24, 2021Observed: 10.93 ft at 8:45AM Jul 24, 2021Observed: 10.93 ft at 9:00AM Jul 24, 2021Observed: 10.93 ft at 9:15AM Jul 24, 2021Observed: 10.93 ft at 9:30AM Jul 24, 2021Observed: 10.93 ft at 9:45AM Jul 24, 2021Observed: 10.93 ft at 10:00AM Jul 24, 2021Observed: 10.94 ft at 10:15AM Jul 24, 2021Observed: 10.92 ft at 10:30AM Jul 24, 2021Observed: 10.92 ft at 10:45AM Jul 24, 2021Observed: 10.93 ft at 11:00AM Jul 24, 2021Observed: 10.93 ft at 11:15AM Jul 24, 2021Observed: 10.94 ft at 11:30AM Jul 24, 2021Observed: 10.93 ft at 11:45AM Jul 24, 2021Observed: 10.93 ft at 12:00PM Jul 24, 2021Observed: 10.93 ft at 12:15PM Jul 24, 2021Observed: 10.92 ft at 12:30PM Jul 24, 2021Observed: 10.93 ft at 12:45PM Jul 24, 2021Observed: 10.93 ft at 1:00PM Jul 24, 2021Observed: 10.93 ft at 1:15PM Jul 24, 2021Observed: 10.93 ft at 1:17PM Jul 24, 2021Observed: 10.92 ft at 1:30PM Jul 24, 2021Observed: 10.92 ft at 1:32PM Jul 24, 2021Observed: 10.92 ft at 1:45PM Jul 24, 2021Observed: 10.92 ft at 1:47PM Jul 24, 2021Observed: 10.93 ft at 2:00PM Jul 24, 2021Observed: 10.93 ft at 2:15PM Jul 24, 2021Observed: 10.92 ft at 2:30PM Jul 24, 2021Observed: 10.91 ft at 2:45PM Jul 24, 2021Observed: 10.92 ft at 3:00PM Jul 24, 2021Observed: 10.93 ft at 3:15PM Jul 24, 2021Observed: 10.92 ft at 3:30PM Jul 24, 2021Observed: 10.91 ft at 3:45PM Jul 24, 2021Observed: 10.92 ft at 4:00PM Jul 24, 2021Observed: 10.92 ft at 4:15PM Jul 24, 2021Observed: 10.92 ft at 4:30PM Jul 24, 2021Observed: 10.92 ft at 4:45PM Jul 24, 2021Observed: 10.91 ft at 5:00PM Jul 24, 2021Observed: 10.92 ft at 5:15PM Jul 24, 2021Observed: 10.92 ft at 5:30PM Jul 24, 2021Observed: 10.91 ft at 5:45PM Jul 24, 2021Observed: 10.91 ft at 6:00PM Jul 24, 2021Observed: 10.91 ft at 6:15PM Jul 24, 2021Observed: 10.91 ft at 6:30PM Jul 24, 2021Observed: 10.91 ft at 6:45PM Jul 24, 2021Observed: 10.92 ft at 7:00PM Jul 24, 2021Observed: 10.91 ft at 7:15PM Jul 24, 2021Observed: 10.91 ft at 7:30PM Jul 24, 2021Observed: 10.92 ft at 7:45PM Jul 24, 2021Observed: 10.91 ft at 8:00PM Jul 24, 2021Observed: 10.9 ft at 8:15PM Jul 24, 2021Observed: 10.9 ft at 8:30PM Jul 24, 2021Observed: 10.91 ft at 8:45PM Jul 24, 2021Observed: 10.91 ft at 9:00PM Jul 24, 2021Observed: 10.91 ft at 9:15PM Jul 24, 2021Observed: 10.91 ft at 9:30PM Jul 24, 2021Observed: 10.91 ft at 9:45PM Jul 24, 2021Observed: 10.91 ft at 10:00PM Jul 24, 2021Observed: 10.91 ft at 10:15PM Jul 24, 2021Observed: 10.91 ft at 10:30PM Jul 24, 2021Observed: 10.91 ft at 10:45PM Jul 24, 2021Observed: 10.91 ft at 11:00PM Jul 24, 2021Observed: 10.91 ft at 11:15PM Jul 24, 2021Observed: 10.91 ft at 11:30PM Jul 24, 2021Observed: 10.91 ft at 11:45PM Jul 24, 2021Observed: 10.9 ft at 12:00AM Jul 25, 2021Observed: 10.91 ft at 12:15AM Jul 25, 2021Observed: 10.91 ft at 12:30AM Jul 25, 2021Observed: 10.9 ft at 12:45AM Jul 25, 2021Observed: 10.9 ft at 1:00AM Jul 25, 2021Observed: 10.91 ft at 1:15AM Jul 25, 2021Observed: 10.91 ft at 1:30AM Jul 25, 2021Observed: 10.91 ft at 1:45AM Jul 25, 2021Observed: 10.92 ft at 2:00AM Jul 25, 2021Observed: 10.91 ft at 2:15AM Jul 25, 2021Observed: 10.91 ft at 2:30AM Jul 25, 2021Observed: 10.92 ft at 2:45AM Jul 25, 2021Observed: 10.9 ft at 3:00AM Jul 25, 2021Observed: 10.9 ft at 3:15AM Jul 25, 2021Observed: 10.9 ft at 3:30AM Jul 25, 2021Observed: 10.91 ft at 3:45AM Jul 25, 2021Observed: 10.92 ft at 4:00AM Jul 25, 2021Observed: 10.93 ft at 4:15AM Jul 25, 2021Observed: 10.92 ft at 4:30AM Jul 25, 2021Observed: 10.92 ft at 4:45AM Jul 25, 2021Observed: 10.91 ft at 5:00AM Jul 25, 2021Observed: 10.91 ft at 5:15AM Jul 25, 2021Observed: 10.91 ft at 5:16AM Jul 25, 2021Observed: 10.92 ft at 5:30AM Jul 25, 2021Observed: 10.92 ft at 5:31AM Jul 25, 2021Observed: 10.93 ft at 5:45AM Jul 25, 2021Observed: 10.93 ft at 5:46AM Jul 25, 2021Observed: 10.92 ft at 6:00AM Jul 25, 2021Observed: 10.91 ft at 6:15AM Jul 25, 2021Observed: 10.91 ft at 6:30AM Jul 25, 2021Observed: 10.91 ft at 6:45AM Jul 25, 2021Observed: 10.92 ft at 7:00AM Jul 25, 2021Observed: 10.92 ft at 7:15AM Jul 25, 2021Observed: 10.92 ft at 7:30AM Jul 25, 2021Observed: 10.92 ft at 7:45AM Jul 25, 2021Observed: 10.91 ft at 8:00AM Jul 25, 2021Observed: 10.91 ft at 8:15AM Jul 25, 2021Observed: 10.92 ft at 8:30AM Jul 25, 2021Observed: 10.91 ft at 8:45AM Jul 25, 2021Observed: 10.91 ft at 9:00AM Jul 25, 2021Observed: 10.92 ft at 9:15AM Jul 25, 2021Observed: 10.92 ft at 9:30AM Jul 25, 2021Observed: 10.92 ft at 9:45AM Jul 25, 2021Observed: 10.91 ft at 10:00AM Jul 25, 2021Observed: 10.91 ft at 10:15AM Jul 25, 2021Observed: 10.91 ft at 10:30AM Jul 25, 2021Observed: 10.92 ft at 10:45AM Jul 25, 2021Observed: 10.91 ft at 11:00AM Jul 25, 2021Observed: 10.91 ft at 11:15AM Jul 25, 2021Observed: 10.91 ft at 11:30AM Jul 25, 2021Observed: 10.91 ft at 11:45AM Jul 25, 2021Observed: 10.9 ft at 12:00PM Jul 25, 2021Observed: 10.9 ft at 12:15PM Jul 25, 2021Observed: 10.9 ft at 12:30PM Jul 25, 2021Observed: 10.91 ft at 12:45PM Jul 25, 2021Observed: 10.9 ft at 1:00PM Jul 25, 2021Observed: 10.89 ft at 1:15PM Jul 25, 2021Observed: 10.89 ft at 1:30PM Jul 25, 2021Observed: 10.89 ft at 1:31PM Jul 25, 2021Observed: 10.9 ft at 1:45PM Jul 25, 2021Observed: 10.9 ft at 1:46PM Jul 25, 2021Observed: 10.91 ft at 2:00PM Jul 25, 2021Observed: 10.91 ft at 2:01PM Jul 25, 2021Observed: 10.9 ft at 2:15PM Jul 25, 2021Observed: 10.89 ft at 2:30PM Jul 25, 2021Observed: 10.9 ft at 2:45PM Jul 25, 2021Observed: 10.9 ft at 3:00PM Jul 25, 2021Observed: 10.9 ft at 3:15PM Jul 25, 2021Observed: 10.89 ft at 3:30PM Jul 25, 2021Observed: 10.89 ft at 3:45PM Jul 25, 2021Observed: 10.89 ft at 4:00PM Jul 25, 2021Observed: 10.89 ft at 4:15PM Jul 25, 2021Observed: 10.89 ft at 4:30PM Jul 25, 2021Observed: 10.89 ft at 4:45PM Jul 25, 2021Observed: 10.89 ft at 5:00PM Jul 25, 2021Observed: 10.9 ft at 5:15PM Jul 25, 2021Observed: 10.89 ft at 5:30PM Jul 25, 2021Observed: 10.89 ft at 5:45PM Jul 25, 2021Observed: 10.88 ft at 6:00PM Jul 25, 2021Observed: 10.89 ft at 6:15PM Jul 25, 2021Observed: 10.89 ft at 6:30PM Jul 25, 2021Observed: 10.88 ft at 6:45PM Jul 25, 2021Observed: 10.88 ft at 7:00PM Jul 25, 2021Observed: 10.88 ft at 7:15PM Jul 25, 2021Observed: 10.87 ft at 7:30PM Jul 25, 2021Observed: 10.87 ft at 7:45PM Jul 25, 2021Observed: 10.88 ft at 8:00PM Jul 25, 2021Observed: 10.88 ft at 8:15PM Jul 25, 2021Observed: 10.89 ft at 8:30PM Jul 25, 2021Observed: 10.88 ft at 8:45PM Jul 25, 2021Observed: 10.88 ft at 9:00PM Jul 25, 2021Observed: 10.87 ft at 9:15PM Jul 25, 2021Observed: 10.87 ft at 9:30PM Jul 25, 2021Observed: 10.87 ft at 9:31PM Jul 25, 2021Observed: 10.89 ft at 9:45PM Jul 25, 2021Observed: 10.89 ft at 9:46PM Jul 25, 2021Observed: 10.87 ft at 10:00PM Jul 25, 2021Observed: 10.87 ft at 10:01PM Jul 25, 2021Observed: 10.87 ft at 10:15PM Jul 25, 2021Observed: 10.87 ft at 10:30PM Jul 25, 2021Observed: 10.88 ft at 10:45PM Jul 25, 2021Observed: 10.88 ft at 11:00PM Jul 25, 2021Observed: 10.88 ft at 11:15PM Jul 25, 2021Observed: 10.87 ft at 11:30PM Jul 25, 2021Observed: 10.87 ft at 11:45PM Jul 25, 2021Observed: 10.87 ft at 12:00AM Jul 26, 2021Observed: 10.87 ft at 12:15AM Jul 26, 2021Observed: 10.88 ft at 12:30AM Jul 26, 2021Observed: 10.88 ft at 1:30AM Jul 26, 2021Observed: 10.87 ft at 1:45AM Jul 26, 2021Observed: 10.88 ft at 2:00AM Jul 26, 2021Observed: 10.86 ft at 2:15AM Jul 26, 2021Observed: 10.87 ft at 2:30AM Jul 26, 2021Observed: 10.87 ft at 2:45AM Jul 26, 2021Observed: 10.87 ft at 3:00AM Jul 26, 2021Observed: 10.87 ft at 3:15AM Jul 26, 2021Observed: 10.88 ft at 3:30AM Jul 26, 2021Observed: 10.87 ft at 3:45AM Jul 26, 2021Observed: 10.86 ft at 4:00AM Jul 26, 2021Observed: 10.87 ft at 4:15AM Jul 26, 2021Observed: 10.87 ft at 4:30AM Jul 26, 2021Observed: 10.88 ft at 4:45AM Jul 26, 2021Observed: 10.87 ft at 5:00AM Jul 26, 2021Observed: 10.86 ft at 5:15AM Jul 26, 2021Observed: 10.87 ft at 5:30AM Jul 26, 2021Observed: 10.87 ft at 5:32AM Jul 26, 2021Observed: 10.86 ft at 5:45AM Jul 26, 2021Observed: 10.86 ft at 5:47AM Jul 26, 2021Observed: 10.87 ft at 6:00AM Jul 26, 2021Observed: 10.87 ft at 6:02AM Jul 26, 2021Observed: 10.87 ft at 6:15AM Jul 26, 2021Observed: 10.87 ft at 6:30AM Jul 26, 2021Observed: 10.86 ft at 6:45AM Jul 26, 2021Observed: 10.86 ft at 7:00AM Jul 26, 2021Observed: 10.87 ft at 7:15AM Jul 26, 2021Observed: 10.87 ft at 7:30AM Jul 26, 2021Observed: 10.87 ft at 7:45AM Jul 26, 2021Observed: 10.87 ft at 8:00AM Jul 26, 2021Observed: 10.85 ft at 8:15AM Jul 26, 2021Observed: 10.86 ft at 8:30AM Jul 26, 2021Observed: 10.86 ft at 8:45AM Jul 26, 2021Observed: 10.87 ft at 9:00AM Jul 26, 2021Observed: 10.87 ft at 9:15AM Jul 26, 2021Observed: 10.86 ft at 9:30AM Jul 26, 2021Observed: 10.86 ft at 9:45AM Jul 26, 2021Observed: 10.86 ft at 10:00AM Jul 26, 2021Observed: 10.86 ft at 10:15AM Jul 26, 2021Observed: 10.86 ft at 10:30AM Jul 26, 2021Observed: 10.86 ft at 10:45AM Jul 26, 2021Observed: 10.86 ft at 11:00AM Jul 26, 2021Observed: 10.86 ft at 11:15AM Jul 26, 2021Observed: 10.85 ft at 11:30AM Jul 26, 2021Observed: 10.86 ft at 11:45AM Jul 26, 2021Observed: 10.86 ft at 12:00PM Jul 26, 2021Observed: 10.85 ft at 12:15PM Jul 26, 2021Observed: 10.85 ft at 12:30PM Jul 26, 2021Observed: 10.85 ft at 12:45PM Jul 26, 2021Observed: 10.86 ft at 1:00PM Jul 26, 2021Observed: 10.86 ft at 1:15PM Jul 26, 2021Observed: 10.84 ft at 1:30PM Jul 26, 2021Observed: 10.84 ft at 1:31PM Jul 26, 2021Observed: 10.85 ft at 1:45PM Jul 26, 2021Observed: 10.85 ft at 1:46PM Jul 26, 2021Observed: 10.84 ft at 2:00PM Jul 26, 2021Observed: 10.84 ft at 2:01PM Jul 26, 2021Observed: 10.86 ft at 2:15PM Jul 26, 2021Observed: 10.83 ft at 2:30PM Jul 26, 2021Observed: 10.84 ft at 2:45PM Jul 26, 2021Observed: 10.84 ft at 3:00PM Jul 26, 2021Observed: 10.84 ft at 3:15PM Jul 26, 2021Observed: 10.83 ft at 3:30PM Jul 26, 2021Observed: 10.83 ft at 3:45PM Jul 26, 2021Observed: 10.82 ft at 4:00PM Jul 26, 2021Observed: 10.83 ft at 4:15PM Jul 26, 2021Observed: 10.84 ft at 4:30PM Jul 26, 2021Observed: 10.83 ft at 4:45PM Jul 26, 2021Observed: 10.83 ft at 5:00PM Jul 26, 2021Observed: 10.83 ft at 5:15PM Jul 26, 2021Observed: 10.82 ft at 5:30PM Jul 26, 2021Observed: 10.83 ft at 5:45PM Jul 26, 2021Observed: 10.83 ft at 6:00PM Jul 26, 2021Observed: 10.82 ft at 6:15PM Jul 26, 2021Observed: 10.82 ft at 6:30PM Jul 26, 2021Observed: 10.81 ft at 6:45PM Jul 26, 2021Observed: 10.83 ft at 7:00PM Jul 26, 2021Observed: 10.83 ft at 7:15PM Jul 26, 2021Observed: 10.82 ft at 7:30PM Jul 26, 2021Observed: 10.82 ft at 7:45PM Jul 26, 2021Observed: 10.82 ft at 8:00PM Jul 26, 2021Observed: 10.82 ft at 8:15PM Jul 26, 2021Observed: 10.82 ft at 8:30PM Jul 26, 2021Observed: 10.82 ft at 8:45PM Jul 26, 2021Observed: 10.83 ft at 9:00PM Jul 26, 2021Observed: 10.83 ft at 9:15PM Jul 26, 2021Observed: 10.83 ft at 9:30PM Jul 26, 2021Observed: 10.83 ft at 9:31PM Jul 26, 2021Observed: 10.83 ft at 9:45PM Jul 26, 2021Observed: 10.83 ft at 9:46PM Jul 26, 2021Observed: 10.82 ft at 10:00PM Jul 26, 2021Observed: 10.82 ft at 10:01PM Jul 26, 2021Observed: 10.82 ft at 10:15PM Jul 26, 2021Observed: 10.82 ft at 10:30PM Jul 26, 2021Observed: 10.83 ft at 10:45PM Jul 26, 2021Observed: 10.82 ft at 11:00PM Jul 26, 2021Observed: 10.83 ft at 11:15PM Jul 26, 2021Observed: 10.82 ft at 11:30PM Jul 26, 2021Observed: 10.83 ft at 11:45PM Jul 26, 2021Observed: 10.82 ft at 12:00AM Jul 27, 2021Observed: 10.82 ft at 12:15AM Jul 27, 2021Observed: 10.82 ft at 12:30AM Jul 27, 2021Observed: 10.83 ft at 12:45AM Jul 27, 2021Observed: 10.82 ft at 1:00AM Jul 27, 2021Observed: 10.82 ft at 1:15AM Jul 27, 2021Observed: 10.83 ft at 1:30AM Jul 27, 2021Observed: 10.83 ft at 1:45AM Jul 27, 2021Observed: 10.82 ft at 2:00AM Jul 27, 2021Observed: 10.83 ft at 2:15AM Jul 27, 2021Observed: 10.82 ft at 2:30AM Jul 27, 2021Observed: 10.82 ft at 2:45AM Jul 27, 2021Observed: 10.82 ft at 3:00AM Jul 27, 2021Observed: 10.82 ft at 3:15AM Jul 27, 2021Observed: 10.81 ft at 3:30AM Jul 27, 2021Observed: 10.82 ft at 3:45AM Jul 27, 2021Observed: 10.82 ft at 4:00AM Jul 27, 2021Observed: 10.82 ft at 4:15AM Jul 27, 2021Observed: 10.83 ft at 4:30AM Jul 27, 2021Observed: 10.82 ft at 4:45AM Jul 27, 2021Observed: 10.82 ft at 5:00AM Jul 27, 2021Observed: 10.83 ft at 5:15AM Jul 27, 2021Observed: 10.82 ft at 5:30AM Jul 27, 2021Observed: 10.82 ft at 5:32AM Jul 27, 2021Observed: 10.82 ft at 5:45AM Jul 27, 2021Observed: 10.82 ft at 5:47AM Jul 27, 2021Observed: 10.83 ft at 6:00AM Jul 27, 2021Observed: 10.83 ft at 6:02AM Jul 27, 2021Observed: 10.82 ft at 6:15AM Jul 27, 2021Observed: 10.81 ft at 6:30AM Jul 27, 2021Observed: 10.82 ft at 6:45AM Jul 27, 2021Observed: 10.82 ft at 7:00AM Jul 27, 2021Observed: 10.81 ft at 7:15AM Jul 27, 2021Observed: 10.81 ft at 7:30AM Jul 27, 2021Observed: 10.81 ft at 8:45AM Jul 27, 2021Observed: 10.82 ft at 9:00AM Jul 27, 2021Observed: 10.81 ft at 9:15AM Jul 27, 2021Observed: 10.81 ft at 9:30AM Jul 27, 2021Observed: 10.81 ft at 9:45AM Jul 27, 2021Observed: 10.82 ft at 10:00AM Jul 27, 2021Observed: 10.81 ft at 10:15AM Jul 27, 2021Observed: 10.81 ft at 10:30AM Jul 27, 2021Observed: 10.81 ft at 10:45AM Jul 27, 2021Observed: 10.82 ft at 11:00AM Jul 27, 2021Observed: 10.82 ft at 11:15AM Jul 27, 2021Observed: 10.82 ft at 11:30AM Jul 27, 2021Observed: 10.81 ft at 11:45AM Jul 27, 2021Observed: 10.81 ft at 12:00PM Jul 27, 2021Observed: 10.81 ft at 12:15PM Jul 27, 2021Observed: 10.82 ft at 12:30PM Jul 27, 2021Observed: 10.82 ft at 12:45PM Jul 27, 2021Observed: 10.81 ft at 1:00PM Jul 27, 2021Observed: 10.82 ft at 1:15PM Jul 27, 2021Observed: 10.82 ft at 1:30PM Jul 27, 2021Observed: 10.82 ft at 1:31PM Jul 27, 2021Observed: 10.8 ft at 1:45PM Jul 27, 2021Observed: 10.8 ft at 1:46PM Jul 27, 2021Observed: 10.81 ft at 2:00PM Jul 27, 2021Observed: 10.81 ft at 2:01PM Jul 27, 2021Observed: 10.8 ft at 2:15PM Jul 27, 2021Observed: 10.81 ft at 2:30PM Jul 27, 2021Observed: 10.81 ft at 2:45PM Jul 27, 2021Observed: 10.8 ft at 3:00PM Jul 27, 2021Observed: 10.8 ft at 3:15PM Jul 27, 2021Observed: 10.8 ft at 3:30PM Jul 27, 2021Observed: 10.79 ft at 3:45PM Jul 27, 2021Observed: 10.81 ft at 4:00PM Jul 27, 2021Observed: 10.8 ft at 4:15PM Jul 27, 2021Observed: 10.79 ft at 4:30PM Jul 27, 2021Observed: 10.79 ft at 4:45PM Jul 27, 2021Observed: 10.8 ft at 5:00PM Jul 27, 2021Observed: 10.8 ft at 5:15PM Jul 27, 2021Observed: 10.78 ft at 5:30PM Jul 27, 2021Observed: 10.79 ft at 5:45PM Jul 27, 2021Observed: 10.79 ft at 6:00PM Jul 27, 2021Observed: 10.78 ft at 6:15PM Jul 27, 2021Observed: 10.79 ft at 6:30PM Jul 27, 2021Observed: 10.79 ft at 6:45PM Jul 27, 2021Observed: 10.79 ft at 7:00PM Jul 27, 2021Observed: 10.79 ft at 7:15PM Jul 27, 2021Observed: 10.79 ft at 7:30PM Jul 27, 2021Observed: 10.79 ft at 7:45PM Jul 27, 2021Observed: 10.78 ft at 8:00PM Jul 27, 2021Observed: 10.78 ft at 8:15PM Jul 27, 2021Observed: 10.78 ft at 8:30PM Jul 27, 2021Observed: 10.78 ft at 8:45PM Jul 27, 2021Observed: 10.78 ft at 9:00PM Jul 27, 2021Observed: 10.79 ft at 9:15PM Jul 27, 2021Observed: 10.78 ft at 9:30PM Jul 27, 2021Observed: 10.78 ft at 9:31PM Jul 27, 2021Observed: 10.79 ft at 9:45PM Jul 27, 2021Observed: 10.79 ft at 9:46PM Jul 27, 2021Observed: 10.78 ft at 10:00PM Jul 27, 2021Observed: 10.78 ft at 10:01PM Jul 27, 2021Observed: 10.78 ft at 10:15PM Jul 27, 2021Observed: 10.78 ft at 10:30PM Jul 27, 2021Observed: 10.77 ft at 10:45PM Jul 27, 2021Observed: 10.78 ft at 11:00PM Jul 27, 2021Observed: 10.78 ft at 11:15PM Jul 27, 2021Observed: 10.79 ft at 11:30PM Jul 27, 2021Observed: 10.79 ft at 11:45PM Jul 27, 2021Observed: 10.79 ft at 12:00AM Jul 28, 2021Observed: 10.78 ft at 12:15AM Jul 28, 2021Observed: 10.79 ft at 12:30AM Jul 28, 2021Observed: 10.78 ft at 12:45AM Jul 28, 2021Observed: 10.79 ft at 1:00AM Jul 28, 2021Observed: 10.79 ft at 1:15AM Jul 28, 2021Observed: 10.78 ft at 1:30AM Jul 28, 2021Observed: 10.78 ft at 1:45AM Jul 28, 2021Observed: 10.78 ft at 2:00AM Jul 28, 2021Observed: 10.79 ft at 2:15AM Jul 28, 2021Observed: 10.78 ft at 2:30AM Jul 28, 2021Observed: 10.79 ft at 2:45AM Jul 28, 2021Observed: 10.79 ft at 3:00AM Jul 28, 2021Observed: 10.78 ft at 3:15AM Jul 28, 2021Observed: 10.79 ft at 3:30AM Jul 28, 2021Observed: 10.78 ft at 3:45AM Jul 28, 2021Observed: 10.79 ft at 4:00AM Jul 28, 2021Observed: 10.79 ft at 4:15AM Jul 28, 2021Observed: 10.79 ft at 4:30AM Jul 28, 2021Observed: 10.79 ft at 4:45AM Jul 28, 2021Observed: 10.78 ft at 5:00AM Jul 28, 2021Observed: 10.79 ft at 5:15AM Jul 28, 2021Observed: 10.78 ft at 5:30AM Jul 28, 2021Observed: 10.78 ft at 5:32AM Jul 28, 2021Observed: 10.8 ft at 5:45AM Jul 28, 2021Observed: 10.8 ft at 5:47AM Jul 28, 2021Observed: 10.8 ft at 6:00AM Jul 28, 2021Observed: 10.8 ft at 6:02AM Jul 28, 2021Observed: 10.78 ft at 6:15AM Jul 28, 2021Observed: 10.78 ft at 6:30AM Jul 28, 2021Observed: 10.79 ft at 6:45AM Jul 28, 2021Observed: 10.81 ft at 7:00AM Jul 28, 2021Observed: 10.79 ft at 7:15AM Jul 28, 2021Observed: 10.81 ft at 7:30AM Jul 28, 2021Observed: 10.79 ft at 7:45AM Jul 28, 2021Observed: 10.8 ft at 8:00AM Jul 28, 2021Observed: 10.8 ft at 8:15AM Jul 28, 2021Observed: 10.79 ft at 8:30AM Jul 28, 2021Observed: 10.8 ft at 8:45AM Jul 28, 2021Observed: 10.78 ft at 9:00AM Jul 28, 2021Observed: 10.79 ft at 9:15AM Jul 28, 2021Observed: 10.79 ft at 9:30AM Jul 28, 2021Observed: 10.79 ft at 9:45AM Jul 28, 2021Observed: 10.79 ft at 10:00AM Jul 28, 2021Observed: 10.78 ft at 10:15AM Jul 28, 2021Observed: 10.78 ft at 10:30AM Jul 28, 2021Observed: 10.78 ft at 10:45AM Jul 28, 2021Observed: 10.76 ft at 11:00AM Jul 28, 2021Observed: 10.77 ft at 11:15AM Jul 28, 2021Observed: 10.79 ft at 11:30AM Jul 28, 2021Observed: 10.78 ft at 12:45PM Jul 28, 2021Observed: 10.78 ft at 1:00PM Jul 28, 2021Observed: 10.78 ft at 1:15PM Jul 28, 2021Observed: 10.77 ft at 1:30PM Jul 28, 2021Observed: 10.77 ft at 1:32PM Jul 28, 2021Observed: 10.77 ft at 1:45PM Jul 28, 2021Observed: 10.77 ft at 1:47PM Jul 28, 2021Observed: 10.77 ft at 2:00PM Jul 28, 2021Observed: 10.77 ft at 2:02PM Jul 28, 2021Observed: 10.76 ft at 2:15PM Jul 28, 2021Observed: 10.76 ft at 2:30PM Jul 28, 2021Observed: 10.76 ft at 2:45PM Jul 28, 2021Observed: 10.76 ft at 3:00PM Jul 28, 2021Observed: 10.76 ft at 3:15PM Jul 28, 2021Observed: 10.76 ft at 3:30PM Jul 28, 2021Observed: 10.76 ft at 3:45PM Jul 28, 2021Observed: 10.76 ft at 4:00PM Jul 28, 2021Observed: 10.76 ft at 4:15PM Jul 28, 2021Observed: 10.75 ft at 4:30PM Jul 28, 2021Observed: 10.75 ft at 4:45PM Jul 28, 2021Observed: 10.75 ft at 5:00PM Jul 28, 2021Observed: 10.74 ft at 5:15PM Jul 28, 2021Observed: 10.74 ft at 5:30PM Jul 28, 2021Observed: 10.74 ft at 5:45PM Jul 28, 2021Observed: 10.73 ft at 6:00PM Jul 28, 2021Observed: 10.74 ft at 6:15PM Jul 28, 2021Observed: 10.77 ft at 6:30PM Jul 28, 2021Observed: 10.78 ft at 6:45PM Jul 28, 2021Observed: 10.76 ft at 7:00PM Jul 28, 2021Observed: 10.76 ft at 7:15PM Jul 28, 2021Observed: 10.75 ft at 7:30PM Jul 28, 2021Observed: 10.75 ft at 7:45PM Jul 28, 2021Observed: 10.73 ft at 8:00PM Jul 28, 2021Observed: 10.74 ft at 8:15PM Jul 28, 2021Observed: 10.76 ft at 8:30PM Jul 28, 2021Observed: 10.75 ft at 8:45PM Jul 28, 2021Observed: 10.76 ft at 9:00PM Jul 28, 2021Observed: 10.76 ft at 9:15PM Jul 28, 2021Observed: 10.76 ft at 9:30PM Jul 28, 2021Observed: 10.76 ft at 9:31PM Jul 28, 2021Observed: 10.75 ft at 9:45PM Jul 28, 2021Observed: 10.75 ft at 9:46PM Jul 28, 2021Observed: 10.75 ft at 10:00PM Jul 28, 2021Observed: 10.75 ft at 10:01PM Jul 28, 2021Observed: 10.76 ft at 10:15PM Jul 28, 2021Observed: 10.75 ft at 10:30PM Jul 28, 2021Observed: 10.76 ft at 10:45PM Jul 28, 2021Observed: 10.76 ft at 11:00PM Jul 28, 2021Observed: 10.75 ft at 11:15PM Jul 28, 2021Observed: 10.75 ft at 11:30PM Jul 28, 2021Observed: 10.75 ft at 11:45PM Jul 28, 2021Observed: 10.75 ft at 12:00AM Jul 29, 2021Observed: 10.75 ft at 12:15AM Jul 29, 2021Observed: 10.75 ft at 12:30AM Jul 29, 2021Observed: 10.75 ft at 12:45AM Jul 29, 2021Observed: 10.75 ft at 1:00AM Jul 29, 2021Observed: 10.76 ft at 1:15AM Jul 29, 2021Observed: 10.75 ft at 1:30AM Jul 29, 2021Observed: 10.75 ft at 1:45AM Jul 29, 2021Observed: 10.75 ft at 2:00AM Jul 29, 2021Observed: 10.73 ft at 2:15AM Jul 29, 2021Observed: 10.75 ft at 2:30AM Jul 29, 2021Observed: 10.75 ft at 2:45AM Jul 29, 2021Observed: 10.74 ft at 3:00AM Jul 29, 2021Observed: 10.76 ft at 3:15AM Jul 29, 2021Observed: 10.75 ft at 3:30AM Jul 29, 2021Observed: 10.74 ft at 3:45AM Jul 29, 2021Observed: 10.76 ft at 4:00AM Jul 29, 2021Observed: 10.73 ft at 4:15AM Jul 29, 2021Observed: 10.76 ft at 4:30AM Jul 29, 2021Observed: 10.74 ft at 4:45AM Jul 29, 2021Observed: 10.75 ft at 5:00AM Jul 29, 2021Observed: 10.74 ft at 5:15AM Jul 29, 2021Observed: 10.73 ft at 5:30AM Jul 29, 2021Observed: 10.75 ft at 5:45AM Jul 29, 2021Observed: 10.75 ft at 5:46AM Jul 29, 2021Observed: 10.74 ft at 6:00AM Jul 29, 2021Observed: 10.74 ft at 6:01AM Jul 29, 2021Observed: 10.74 ft at 6:15AM Jul 29, 2021Observed: 10.74 ft at 6:16AM Jul 29, 2021Observed: 10.74 ft at 6:30AM Jul 29, 2021Observed: 10.73 ft at 6:45AM Jul 29, 2021Observed: 10.74 ft at 7:00AM Jul 29, 2021Observed: 10.74 ft at 7:15AM Jul 29, 2021Observed: 10.75 ft at 7:30AM Jul 29, 2021Observed: 10.75 ft at 7:45AM Jul 29, 2021Observed: 10.74 ft at 8:00AM Jul 29, 2021Observed: 10.74 ft at 8:15AM Jul 29, 2021Observed: 10.73 ft at 8:30AM Jul 29, 2021Observed: 10.75 ft at 8:45AM Jul 29, 2021Observed: 10.74 ft at 9:00AM Jul 29, 2021Observed: 10.75 ft at 9:15AM Jul 29, 2021Observed: 10.74 ft at 9:30AM Jul 29, 2021Observed: 10.74 ft at 9:45AM Jul 29, 2021Observed: 10.73 ft at 10:00AM Jul 29, 2021Observed: 10.74 ft at 10:15AM Jul 29, 2021Observed: 10.73 ft at 10:30AM Jul 29, 2021Observed: 10.75 ft at 10:45AM Jul 29, 2021Observed: 10.73 ft at 11:00AM Jul 29, 2021Observed: 10.73 ft at 11:15AM Jul 29, 2021Observed: 10.74 ft at 11:30AM Jul 29, 2021Observed: 10.74 ft at 11:45AM Jul 29, 2021Observed: 10.73 ft at 12:00PM Jul 29, 2021Observed: 10.72 ft at 12:15PM Jul 29, 2021Observed: 10.74 ft at 12:30PM Jul 29, 2021Observed: 10.73 ft at 12:45PM Jul 29, 2021Observed: 10.73 ft at 1:00PM Jul 29, 2021Observed: 10.73 ft at 1:15PM Jul 29, 2021Observed: 10.72 ft at 1:30PM Jul 29, 2021Observed: 10.73 ft at 1:45PM Jul 29, 2021Observed: 10.73 ft at 1:46PM Jul 29, 2021Observed: 10.73 ft at 2:00PM Jul 29, 2021Observed: 10.73 ft at 2:01PM Jul 29, 2021Observed: 10.72 ft at 2:15PM Jul 29, 2021Observed: 10.72 ft at 2:16PM Jul 29, 2021Observed: 10.73 ft at 2:30PM Jul 29, 2021Observed: 10.73 ft at 2:45PM Jul 29, 2021Observed: 10.73 ft at 3:00PM Jul 29, 2021Observed: 10.73 ft at 3:15PM Jul 29, 2021Observed: 10.73 ft at 3:30PM Jul 29, 2021Observed: 10.72 ft at 3:45PM Jul 29, 2021Observed: 10.72 ft at 4:00PM Jul 29, 2021Observed: 10.72 ft at 4:15PM Jul 29, 2021Observed: 10.71 ft at 4:30PM Jul 29, 2021Observed: 10.72 ft at 4:45PM Jul 29, 2021Observed: 10.73 ft at 5:00PM Jul 29, 2021Observed: 10.71 ft at 5:15PM Jul 29, 2021Observed: 10.72 ft at 5:30PM Jul 29, 2021Observed: 10.72 ft at 5:45PM Jul 29, 2021Observed: 10.72 ft at 6:00PM Jul 29, 2021Observed: 10.72 ft at 6:15PM Jul 29, 2021Observed: 10.72 ft at 6:30PM Jul 29, 2021Observed: 10.72 ft at 6:45PM Jul 29, 2021Observed: 10.71 ft at 7:00PM Jul 29, 2021Observed: 10.72 ft at 7:15PM Jul 29, 2021Observed: 10.72 ft at 7:30PM Jul 29, 2021Observed: 10.71 ft at 7:45PM Jul 29, 2021Observed: 10.72 ft at 8:00PM Jul 29, 2021Observed: 10.73 ft at 8:15PM Jul 29, 2021Observed: 10.72 ft at 8:30PM Jul 29, 2021Observed: 10.72 ft at 8:45PM Jul 29, 2021Observed: 10.72 ft at 9:00PM Jul 29, 2021Observed: 10.71 ft at 9:15PM Jul 29, 2021Observed: 10.72 ft at 9:30PM Jul 29, 2021Observed: 10.73 ft at 9:45PM Jul 29, 2021Observed: 10.7 ft at 10:00PM Jul 29, 2021Observed: 10.72 ft at 10:15PM Jul 29, 2021Observed: 10.71 ft at 10:30PM Jul 29, 2021Observed: 10.72 ft at 10:45PM Jul 29, 2021Observed: 10.72 ft at 11:00PM Jul 29, 2021Observed: 10.71 ft at 11:15PM Jul 29, 2021Observed: 10.71 ft at 11:30PM Jul 29, 2021Observed: 10.72 ft at 11:45PM Jul 29, 2021Observed: 10.71 ft at 12:00AM Jul 30, 2021Observed: 10.73 ft at 12:15AM Jul 30, 2021Observed: 10.72 ft at 12:30AM Jul 30, 2021Observed: 10.73 ft at 12:45AM Jul 30, 2021Observed: 10.72 ft at 1:00AM Jul 30, 2021Observed: 10.72 ft at 1:15AM Jul 30, 2021Observed: 10.72 ft at 1:30AM Jul 30, 2021Observed: 10.71 ft at 1:45AM Jul 30, 2021Observed: 10.73 ft at 2:00AM Jul 30, 2021Observed: 10.72 ft at 2:15AM Jul 30, 2021Observed: 10.72 ft at 2:30AM Jul 30, 2021Observed: 10.72 ft at 2:45AM Jul 30, 2021Observed: 10.73 ft at 3:00AM Jul 30, 2021Observed: 10.72 ft at 3:15AM Jul 30, 2021Observed: 10.72 ft at 3:30AM Jul 30, 2021Observed: 10.73 ft at 3:45AM Jul 30, 2021Observed: 10.72 ft at 4:00AM Jul 30, 2021Observed: 10.71 ft at 4:15AM Jul 30, 2021Observed: 10.73 ft at 4:30AM Jul 30, 2021Observed: 10.73 ft at 4:45AM Jul 30, 2021Observed: 10.71 ft at 5:00AM Jul 30, 2021Observed: 10.71 ft at 5:15AM Jul 30, 2021Observed: 10.72 ft at 5:30AM Jul 30, 2021Observed: 10.73 ft at 5:45AM Jul 30, 2021Observed: 10.73 ft at 5:46AM Jul 30, 2021Observed: 10.71 ft at 6:00AM Jul 30, 2021Observed: 10.71 ft at 6:01AM Jul 30, 2021Observed: 10.72 ft at 6:15AM Jul 30, 2021Observed: 10.72 ft at 6:16AM Jul 30, 2021Observed: 10.72 ft at 6:30AM Jul 30, 2021Observed: 10.72 ft at 6:45AM Jul 30, 2021Observed: 10.71 ft at 7:00AM Jul 30, 2021Observed: 10.74 ft at 7:15AM Jul 30, 2021Observed: 10.72 ft at 7:30AM Jul 30, 2021Observed: 10.73 ft at 7:45AM Jul 30, 2021Observed: 10.73 ft at 8:00AM Jul 30, 2021Observed: 10.72 ft at 8:15AM Jul 30, 2021Observed: 10.71 ft at 8:30AM Jul 30, 2021Observed: 10.73 ft at 8:45AM Jul 30, 2021Observed: 10.72 ft at 9:00AM Jul 30, 2021Observed: 10.71 ft at 9:15AM Jul 30, 2021Observed: 10.73 ft at 9:30AM Jul 30, 2021USGS--Water Resources of the United StatesHWDI4(plotting HGIRG) Graph Created (10:34AM Jul 30, 2021)ObservedLatest observed value: 10.73 ft at 9:30 AM CDT 30-Jul-2021. Flood Stage is 20.5 ft
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About this graph
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 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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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) 35.20 ft on 03/15/2019
(2) 34.00 ft on 06/22/2018
(3) 32.83 ft on 09/15/2019 (P)
(4) 23.02 ft on 03/30/2020
(5) 22.38 ft on 05/02/2016
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 23.02 ft on 03/30/2020
(2) 32.83 ft on 09/15/2019 (P)
(3) 35.20 ft on 03/15/2019
(4) 34.00 ft on 06/22/2018
(5) 20.35 ft on 05/23/2017
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:16
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Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
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: 2-Nov-2020 7:29 PM
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