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Hydrograph River at a Glance Download
Big Sioux River above Hawarden Stage (ft)Flow (cfs)Observed: 11.97 ft at 6:00PM Jan 17, 2021Observed: 11.97 ft at 6:15PM Jan 17, 2021Observed: 11.97 ft at 6:30PM Jan 17, 2021Observed: 11.97 ft at 6:45PM Jan 17, 2021Observed: 11.97 ft at 7:00PM Jan 17, 2021Observed: 11.97 ft at 7:15PM Jan 17, 2021Observed: 11.98 ft at 7:30PM Jan 17, 2021Observed: 11.98 ft at 7:45PM Jan 17, 2021Observed: 11.98 ft at 8:00PM Jan 17, 2021Observed: 11.98 ft at 8:15PM Jan 17, 2021Observed: 11.98 ft at 8:30PM Jan 17, 2021Observed: 11.98 ft at 8:45PM Jan 17, 2021Observed: 11.98 ft at 9:00PM Jan 17, 2021Observed: 11.98 ft at 9:15PM Jan 17, 2021Observed: 11.98 ft at 9:30PM Jan 17, 2021Observed: 11.99 ft at 9:45PM Jan 17, 2021Observed: 11.99 ft at 10:00PM Jan 17, 2021Observed: 12 ft at 10:15PM Jan 17, 2021Observed: 12 ft at 10:30PM Jan 17, 2021Observed: 12 ft at 10:32PM Jan 17, 2021Observed: 12 ft at 10:45PM Jan 17, 2021Observed: 12 ft at 10:47PM Jan 17, 2021Observed: 12.01 ft at 11:00PM Jan 17, 2021Observed: 12.01 ft at 11:02PM Jan 17, 2021Observed: 12.01 ft at 11:15PM Jan 17, 2021Observed: 12.02 ft at 11:30PM Jan 17, 2021Observed: 12.02 ft at 11:45PM Jan 17, 2021Observed: 12.02 ft at 12:00AM Jan 18, 2021Observed: 12.02 ft at 12:15AM Jan 18, 2021Observed: 12.04 ft at 12:30AM Jan 18, 2021Observed: 12.03 ft at 12:45AM Jan 18, 2021Observed: 12.03 ft at 1:00AM Jan 18, 2021Observed: 12.04 ft at 1:15AM Jan 18, 2021Observed: 12.04 ft at 1:30AM Jan 18, 2021Observed: 12.05 ft at 1:45AM Jan 18, 2021Observed: 12.05 ft at 2:00AM Jan 18, 2021Observed: 12.06 ft at 2:15AM Jan 18, 2021Observed: 12.06 ft at 2:30AM Jan 18, 2021Observed: 12.06 ft at 2:45AM Jan 18, 2021Observed: 12.07 ft at 3:00AM Jan 18, 2021Observed: 12.06 ft at 3:15AM Jan 18, 2021Observed: 12.07 ft at 3:30AM Jan 18, 2021Observed: 12.07 ft at 3:45AM Jan 18, 2021Observed: 12.07 ft at 4:00AM Jan 18, 2021Observed: 12.07 ft at 4:15AM Jan 18, 2021Observed: 12.07 ft at 4:30AM Jan 18, 2021Observed: 12.07 ft at 4:45AM Jan 18, 2021Observed: 12.06 ft at 5:00AM Jan 18, 2021Observed: 12.07 ft at 5:15AM Jan 18, 2021Observed: 12.07 ft at 5:30AM Jan 18, 2021Observed: 12.06 ft at 5:45AM Jan 18, 2021Observed: 12.06 ft at 6:00AM Jan 18, 2021Observed: 12.06 ft at 6:15AM Jan 18, 2021Observed: 12.05 ft at 6:30AM Jan 18, 2021Observed: 12.05 ft at 6:31AM Jan 18, 2021Observed: 12.05 ft at 6:45AM Jan 18, 2021Observed: 12.05 ft at 6:46AM Jan 18, 2021Observed: 12.04 ft at 7:00AM Jan 18, 2021Observed: 12.04 ft at 7:01AM Jan 18, 2021Observed: 12.04 ft at 7:15AM Jan 18, 2021Observed: 12.03 ft at 7:30AM Jan 18, 2021Observed: 12.03 ft at 7:45AM Jan 18, 2021Observed: 12.03 ft at 8:00AM Jan 18, 2021Observed: 12.02 ft at 8:15AM Jan 18, 2021Observed: 12.02 ft at 8:30AM Jan 18, 2021Observed: 12.02 ft at 8:45AM Jan 18, 2021Observed: 12.01 ft at 9:00AM Jan 18, 2021Observed: 12.01 ft at 9:15AM Jan 18, 2021Observed: 12 ft at 9:30AM Jan 18, 2021Observed: 12 ft at 9:45AM Jan 18, 2021Observed: 11.99 ft at 10:00AM Jan 18, 2021Observed: 12 ft at 10:15AM Jan 18, 2021Observed: 12 ft at 10:30AM Jan 18, 2021Observed: 12 ft at 10:45AM Jan 18, 2021Observed: 12 ft at 11:00AM Jan 18, 2021Observed: 12 ft at 11:15AM Jan 18, 2021Observed: 12 ft at 11:30AM Jan 18, 2021Observed: 11.99 ft at 11:45AM Jan 18, 2021Observed: 12 ft at 12:00PM Jan 18, 2021Observed: 11.99 ft at 12:15PM Jan 18, 2021Observed: 12 ft at 12:30PM Jan 18, 2021Observed: 11.99 ft at 12:45PM Jan 18, 2021Observed: 11.99 ft at 1:00PM Jan 18, 2021Observed: 11.98 ft at 1:15PM Jan 18, 2021Observed: 11.98 ft at 1:30PM Jan 18, 2021Observed: 11.97 ft at 1:45PM Jan 18, 2021Observed: 11.97 ft at 2:00PM Jan 18, 2021Observed: 11.97 ft at 2:15PM Jan 18, 2021Observed: 11.96 ft at 2:30PM Jan 18, 2021Observed: 11.96 ft at 2:31PM Jan 18, 2021Observed: 11.96 ft at 2:45PM Jan 18, 2021Observed: 11.96 ft at 2:46PM Jan 18, 2021Observed: 11.96 ft at 3:00PM Jan 18, 2021Observed: 11.96 ft at 3:01PM Jan 18, 2021Observed: 11.95 ft at 3:15PM Jan 18, 2021Observed: 11.96 ft at 3:30PM Jan 18, 2021Observed: 11.95 ft at 3:45PM Jan 18, 2021Observed: 11.95 ft at 4:00PM Jan 18, 2021Observed: 11.95 ft at 4:15PM Jan 18, 2021Observed: 11.95 ft at 4:30PM Jan 18, 2021Observed: 11.95 ft at 4:45PM Jan 18, 2021Observed: 11.95 ft at 5:00PM Jan 18, 2021Observed: 11.95 ft at 5:15PM Jan 18, 2021Observed: 11.96 ft at 5:30PM Jan 18, 2021Observed: 11.96 ft at 5:45PM Jan 18, 2021Observed: 11.96 ft at 6:00PM Jan 18, 2021Observed: 11.97 ft at 6:15PM Jan 18, 2021Observed: 11.97 ft at 6:30PM Jan 18, 2021Observed: 11.97 ft at 6:45PM Jan 18, 2021Observed: 11.97 ft at 7:00PM Jan 18, 2021Observed: 11.98 ft at 7:15PM Jan 18, 2021Observed: 11.98 ft at 7:30PM Jan 18, 2021Observed: 11.98 ft at 7:45PM Jan 18, 2021Observed: 11.98 ft at 8:00PM Jan 18, 2021Observed: 11.99 ft at 8:15PM Jan 18, 2021Observed: 11.99 ft at 8:30PM Jan 18, 2021Observed: 11.99 ft at 8:45PM Jan 18, 2021Observed: 11.99 ft at 9:00PM Jan 18, 2021Observed: 12 ft at 9:15PM Jan 18, 2021Observed: 12 ft at 9:30PM Jan 18, 2021Observed: 12 ft at 9:45PM Jan 18, 2021Observed: 12.01 ft at 10:00PM Jan 18, 2021Observed: 12.01 ft at 10:15PM Jan 18, 2021Observed: 12.01 ft at 10:30PM Jan 18, 2021Observed: 12.01 ft at 10:45PM Jan 18, 2021Observed: 12.02 ft at 11:00PM Jan 18, 2021Observed: 12.02 ft at 11:15PM Jan 18, 2021Observed: 12.03 ft at 11:30PM Jan 18, 2021Observed: 12.04 ft at 11:45PM Jan 18, 2021Observed: 12.04 ft at 12:00AM Jan 19, 2021Observed: 12.04 ft at 12:15AM Jan 19, 2021Observed: 12.05 ft at 12:30AM Jan 19, 2021Observed: 12.04 ft at 12:45AM Jan 19, 2021Observed: 12.05 ft at 1:00AM Jan 19, 2021Observed: 12.05 ft at 1:15AM Jan 19, 2021Observed: 12.05 ft at 1:30AM Jan 19, 2021Observed: 12.05 ft at 1:45AM Jan 19, 2021Observed: 12.06 ft at 2:00AM Jan 19, 2021Observed: 12.06 ft at 2:15AM Jan 19, 2021Observed: 12.06 ft at 2:30AM Jan 19, 2021Observed: 12.06 ft at 2:45AM Jan 19, 2021Observed: 12.05 ft at 3:00AM Jan 19, 2021Observed: 12.05 ft at 3:15AM Jan 19, 2021Observed: 12.05 ft at 3:30AM Jan 19, 2021Observed: 12.05 ft at 3:45AM Jan 19, 2021Observed: 12.04 ft at 4:00AM Jan 19, 2021Observed: 12.05 ft at 4:15AM Jan 19, 2021Observed: 12.04 ft at 4:30AM Jan 19, 2021Observed: 12.04 ft at 4:45AM Jan 19, 2021Observed: 12.04 ft at 5:00AM Jan 19, 2021Observed: 12.04 ft at 5:15AM Jan 19, 2021Observed: 12.03 ft at 5:30AM Jan 19, 2021Observed: 12.03 ft at 5:45AM Jan 19, 2021Observed: 12.03 ft at 6:00AM Jan 19, 2021Observed: 12.02 ft at 6:15AM Jan 19, 2021Observed: 12.02 ft at 6:30AM Jan 19, 2021Observed: 12.02 ft at 6:31AM Jan 19, 2021Observed: 12.02 ft at 6:45AM Jan 19, 2021Observed: 12.02 ft at 6:46AM Jan 19, 2021Observed: 12.02 ft at 7:00AM Jan 19, 2021Observed: 12.02 ft at 7:01AM Jan 19, 2021Observed: 12.01 ft at 7:15AM Jan 19, 2021Observed: 12.01 ft at 7:30AM Jan 19, 2021Observed: 12.01 ft at 7:45AM Jan 19, 2021Observed: 12.01 ft at 8:00AM Jan 19, 2021Observed: 12.02 ft at 8:15AM Jan 19, 2021Observed: 12.01 ft at 8:30AM Jan 19, 2021Observed: 12.01 ft at 8:45AM Jan 19, 2021Observed: 12.02 ft at 9:00AM Jan 19, 2021Observed: 12 ft at 9:15AM Jan 19, 2021Observed: 12.01 ft at 9:30AM Jan 19, 2021Observed: 12.01 ft at 9:45AM Jan 19, 2021Observed: 12.01 ft at 10:00AM Jan 19, 2021Observed: 12.01 ft at 10:15AM Jan 19, 2021Observed: 12.02 ft at 10:30AM Jan 19, 2021Observed: 12.01 ft at 10:45AM Jan 19, 2021Observed: 12.01 ft at 11:00AM Jan 19, 2021Observed: 12.01 ft at 11:15AM Jan 19, 2021Observed: 12.01 ft at 11:30AM Jan 19, 2021Observed: 12.01 ft at 11:45AM Jan 19, 2021Observed: 12.02 ft at 12:00PM Jan 19, 2021Observed: 12.02 ft at 12:15PM Jan 19, 2021Observed: 12.01 ft at 12:30PM Jan 19, 2021Observed: 12.01 ft at 12:45PM Jan 19, 2021Observed: 12.01 ft at 1:00PM Jan 19, 2021Observed: 12.01 ft at 1:15PM Jan 19, 2021Observed: 12 ft at 1:30PM Jan 19, 2021Observed: 12.01 ft at 1:45PM Jan 19, 2021Observed: 12.01 ft at 2:00PM Jan 19, 2021Observed: 12.01 ft at 2:15PM Jan 19, 2021Observed: 11.99 ft at 2:30PM Jan 19, 2021Observed: 11.99 ft at 2:31PM Jan 19, 2021Observed: 12 ft at 2:45PM Jan 19, 2021Observed: 12 ft at 2:46PM Jan 19, 2021Observed: 12 ft at 3:00PM Jan 19, 2021Observed: 12 ft at 3:01PM Jan 19, 2021Observed: 12 ft at 3:15PM Jan 19, 2021Observed: 12 ft at 3:30PM Jan 19, 2021Observed: 12 ft at 3:45PM Jan 19, 2021Observed: 11.99 ft at 4:00PM Jan 19, 2021Observed: 12 ft at 4:15PM Jan 19, 2021Observed: 12 ft at 4:30PM Jan 19, 2021Observed: 11.99 ft at 4:45PM Jan 19, 2021Observed: 11.99 ft at 5:00PM Jan 19, 2021Observed: 11.98 ft at 5:15PM Jan 19, 2021Observed: 11.98 ft at 5:30PM Jan 19, 2021Observed: 11.97 ft at 5:45PM Jan 19, 2021Observed: 11.97 ft at 6:00PM Jan 19, 2021Observed: 11.97 ft at 6:15PM Jan 19, 2021Observed: 11.97 ft at 6:30PM Jan 19, 2021Observed: 11.97 ft at 6:45PM Jan 19, 2021Observed: 11.97 ft at 7:00PM Jan 19, 2021Observed: 11.97 ft at 7:15PM Jan 19, 2021Observed: 11.97 ft at 7:30PM Jan 19, 2021Observed: 11.98 ft at 7:45PM Jan 19, 2021Observed: 11.97 ft at 8:00PM Jan 19, 2021Observed: 11.98 ft at 8:15PM Jan 19, 2021Observed: 11.98 ft at 8:30PM Jan 19, 2021Observed: 11.98 ft at 8:45PM Jan 19, 2021Observed: 11.98 ft at 9:00PM Jan 19, 2021Observed: 11.99 ft at 9:15PM Jan 19, 2021Observed: 12 ft at 9:30PM Jan 19, 2021Observed: 12 ft at 9:45PM Jan 19, 2021Observed: 12.01 ft at 10:00PM Jan 19, 2021Observed: 12.01 ft at 10:15PM Jan 19, 2021Observed: 12.01 ft at 10:30PM Jan 19, 2021Observed: 12.01 ft at 10:32PM Jan 19, 2021Observed: 12 ft at 10:45PM Jan 19, 2021Observed: 12 ft at 10:47PM Jan 19, 2021Observed: 12 ft at 11:00PM Jan 19, 2021Observed: 12 ft at 11:02PM Jan 19, 2021Observed: 12.01 ft at 11:15PM Jan 19, 2021Observed: 11.99 ft at 11:30PM Jan 19, 2021Observed: 12 ft at 11:45PM Jan 19, 2021Observed: 12 ft at 12:00AM Jan 20, 2021Observed: 12 ft at 12:15AM Jan 20, 2021Observed: 12 ft at 12:30AM Jan 20, 2021Observed: 12 ft at 12:45AM Jan 20, 2021Observed: 12 ft at 1:00AM Jan 20, 2021Observed: 11.99 ft at 1:15AM Jan 20, 2021Observed: 12 ft at 1:30AM Jan 20, 2021Observed: 11.99 ft at 1:45AM Jan 20, 2021Observed: 11.99 ft at 2:00AM Jan 20, 2021Observed: 11.99 ft at 2:15AM Jan 20, 2021Observed: 11.98 ft at 2:30AM Jan 20, 2021Observed: 11.99 ft at 2:45AM Jan 20, 2021Observed: 11.99 ft at 3:00AM Jan 20, 2021Observed: 11.99 ft at 3:15AM Jan 20, 2021Observed: 11.99 ft at 3:30AM Jan 20, 2021Observed: 12 ft at 3:45AM Jan 20, 2021Observed: 11.99 ft at 4:00AM Jan 20, 2021Observed: 11.99 ft at 4:15AM Jan 20, 2021Observed: 11.99 ft at 4:30AM Jan 20, 2021Observed: 12 ft at 4:45AM Jan 20, 2021Observed: 12.01 ft at 5:00AM Jan 20, 2021Observed: 12.01 ft at 5:15AM Jan 20, 2021Observed: 12.03 ft at 5:30AM Jan 20, 2021Observed: 12.02 ft at 5:45AM Jan 20, 2021Observed: 12.01 ft at 6:00AM Jan 20, 2021Observed: 12.02 ft at 6:15AM Jan 20, 2021Observed: 12.02 ft at 6:30AM Jan 20, 2021Observed: 12.02 ft at 6:31AM Jan 20, 2021Observed: 12.04 ft at 6:45AM Jan 20, 2021Observed: 12.04 ft at 6:46AM Jan 20, 2021Observed: 12.03 ft at 7:00AM Jan 20, 2021Observed: 12.03 ft at 7:01AM Jan 20, 2021Observed: 12.04 ft at 7:15AM Jan 20, 2021Observed: 12.04 ft at 7:30AM Jan 20, 2021Observed: 12.04 ft at 7:45AM Jan 20, 2021Observed: 12.03 ft at 8:00AM Jan 20, 2021Observed: 12.04 ft at 8:15AM Jan 20, 2021Observed: 12.04 ft at 8:30AM Jan 20, 2021Observed: 12.05 ft at 8:45AM Jan 20, 2021Observed: 12.06 ft at 9:00AM Jan 20, 2021Observed: 12.06 ft at 9:15AM Jan 20, 2021Observed: 12.07 ft at 9:30AM Jan 20, 2021Observed: 12.07 ft at 9:45AM Jan 20, 2021Observed: 12.07 ft at 10:00AM Jan 20, 2021Observed: 12.07 ft at 10:15AM Jan 20, 2021Observed: 12.09 ft at 10:30AM Jan 20, 2021Observed: 12.1 ft at 11:45AM Jan 20, 2021Observed: 12.11 ft at 12:00PM Jan 20, 2021Observed: 12.11 ft at 12:15PM Jan 20, 2021Observed: 12.11 ft at 12:30PM Jan 20, 2021Observed: 12.11 ft at 12:45PM Jan 20, 2021Observed: 12.1 ft at 1:00PM Jan 20, 2021Observed: 12.08 ft at 1:15PM Jan 20, 2021Observed: 12.07 ft at 1:30PM Jan 20, 2021Observed: 12.05 ft at 1:45PM Jan 20, 2021Observed: 12.03 ft at 2:00PM Jan 20, 2021Observed: 12.01 ft at 2:15PM Jan 20, 2021Observed: 11.99 ft at 2:30PM Jan 20, 2021Observed: 11.99 ft at 2:31PM Jan 20, 2021Observed: 11.99 ft at 2:45PM Jan 20, 2021Observed: 11.99 ft at 2:46PM Jan 20, 2021Observed: 11.97 ft at 3:00PM Jan 20, 2021Observed: 11.97 ft at 3:01PM Jan 20, 2021Observed: 11.96 ft at 3:15PM Jan 20, 2021Observed: 11.94 ft at 3:30PM Jan 20, 2021Observed: 11.94 ft at 3:45PM Jan 20, 2021Observed: 11.92 ft at 4:00PM Jan 20, 2021Observed: 11.91 ft at 4:15PM Jan 20, 2021Observed: 11.91 ft at 4:30PM Jan 20, 2021Observed: 11.91 ft at 4:45PM Jan 20, 2021Observed: 11.9 ft at 5:00PM Jan 20, 2021Observed: 11.91 ft at 5:15PM Jan 20, 2021Observed: 11.9 ft at 5:30PM Jan 20, 2021Observed: 11.91 ft at 5:45PM Jan 20, 2021Observed: 11.9 ft at 6:00PM Jan 20, 2021Observed: 11.91 ft at 6:15PM Jan 20, 2021Observed: 11.92 ft at 6:30PM Jan 20, 2021Observed: 11.92 ft at 6:45PM Jan 20, 2021Observed: 11.93 ft at 7:00PM Jan 20, 2021Observed: 11.93 ft at 7:15PM Jan 20, 2021Observed: 11.94 ft at 7:30PM Jan 20, 2021Observed: 11.94 ft at 7:45PM Jan 20, 2021Observed: 11.95 ft at 8:00PM Jan 20, 2021Observed: 11.95 ft at 8:15PM Jan 20, 2021Observed: 11.95 ft at 8:30PM Jan 20, 2021Observed: 11.96 ft at 8:45PM Jan 20, 2021Observed: 11.95 ft at 9:00PM Jan 20, 2021Observed: 11.96 ft at 9:15PM Jan 20, 2021Observed: 11.95 ft at 9:30PM Jan 20, 2021Observed: 11.96 ft at 9:45PM Jan 20, 2021Observed: 11.96 ft at 10:00PM Jan 20, 2021Observed: 11.95 ft at 10:15PM Jan 20, 2021Observed: 11.96 ft at 10:30PM Jan 20, 2021Observed: 11.96 ft at 10:45PM Jan 20, 2021Observed: 11.96 ft at 10:46PM Jan 20, 2021Observed: 11.97 ft at 11:00PM Jan 20, 2021Observed: 11.97 ft at 11:01PM Jan 20, 2021Observed: 11.97 ft at 11:15PM Jan 20, 2021Observed: 11.97 ft at 11:16PM Jan 20, 2021Observed: 11.98 ft at 11:30PM Jan 20, 2021Observed: 11.98 ft at 11:45PM Jan 20, 2021Observed: 11.98 ft at 12:00AM Jan 21, 2021Observed: 11.99 ft at 12:15AM Jan 21, 2021Observed: 12 ft at 12:30AM Jan 21, 2021Observed: 12 ft at 12:45AM Jan 21, 2021Observed: 12.01 ft at 1:00AM Jan 21, 2021Observed: 12.01 ft at 1:15AM Jan 21, 2021Observed: 12.02 ft at 1:30AM Jan 21, 2021Observed: 12.02 ft at 1:45AM Jan 21, 2021Observed: 12.02 ft at 2:00AM Jan 21, 2021Observed: 12.03 ft at 2:15AM Jan 21, 2021Observed: 12.02 ft at 2:30AM Jan 21, 2021Observed: 12.03 ft at 2:45AM Jan 21, 2021Observed: 12.03 ft at 3:00AM Jan 21, 2021Observed: 12.03 ft at 3:15AM Jan 21, 2021Observed: 12.03 ft at 3:30AM Jan 21, 2021Observed: 12.03 ft at 3:45AM Jan 21, 2021Observed: 12.02 ft at 4:00AM Jan 21, 2021Observed: 12.02 ft at 4:15AM Jan 21, 2021Observed: 12.01 ft at 4:30AM Jan 21, 2021Observed: 12.01 ft at 4:45AM Jan 21, 2021Observed: 12 ft at 5:00AM Jan 21, 2021Observed: 12 ft at 5:15AM Jan 21, 2021Observed: 11.99 ft at 5:30AM Jan 21, 2021Observed: 11.98 ft at 5:45AM Jan 21, 2021Observed: 11.98 ft at 6:00AM Jan 21, 2021Observed: 11.97 ft at 6:15AM Jan 21, 2021Observed: 11.96 ft at 6:30AM Jan 21, 2021Observed: 11.95 ft at 6:45AM Jan 21, 2021Observed: 11.95 ft at 6:47AM Jan 21, 2021Observed: 11.94 ft at 7:00AM Jan 21, 2021Observed: 11.94 ft at 7:02AM Jan 21, 2021Observed: 11.94 ft at 7:15AM Jan 21, 2021Observed: 11.94 ft at 7:17AM Jan 21, 2021Observed: 11.93 ft at 7:30AM Jan 21, 2021Observed: 11.92 ft at 7:45AM Jan 21, 2021Observed: 11.91 ft at 8:00AM Jan 21, 2021Observed: 11.9 ft at 8:15AM Jan 21, 2021Observed: 11.89 ft at 8:30AM Jan 21, 2021Observed: 11.89 ft at 8:45AM Jan 21, 2021Observed: 11.88 ft at 9:00AM Jan 21, 2021Observed: 11.87 ft at 9:15AM Jan 21, 2021Observed: 11.86 ft at 9:30AM Jan 21, 2021Observed: 11.86 ft at 9:45AM Jan 21, 2021Observed: 11.86 ft at 10:00AM Jan 21, 2021Observed: 11.85 ft at 10:15AM Jan 21, 2021Observed: 11.85 ft at 10:30AM Jan 21, 2021Observed: 11.85 ft at 10:45AM Jan 21, 2021Observed: 11.85 ft at 11:00AM Jan 21, 2021Observed: 11.86 ft at 11:15AM Jan 21, 2021Observed: 11.86 ft at 11:30AM Jan 21, 2021Observed: 11.86 ft at 11:45AM Jan 21, 2021Observed: 11.86 ft at 12:00PM Jan 21, 2021Observed: 11.86 ft at 12:15PM Jan 21, 2021Observed: 11.86 ft at 12:30PM Jan 21, 2021Observed: 11.86 ft at 12:45PM Jan 21, 2021Observed: 11.85 ft at 1:00PM Jan 21, 2021Observed: 11.83 ft at 1:15PM Jan 21, 2021Observed: 11.82 ft at 1:30PM Jan 21, 2021Observed: 11.81 ft at 1:45PM Jan 21, 2021Observed: 11.79 ft at 2:00PM Jan 21, 2021Observed: 11.77 ft at 2:15PM Jan 21, 2021Observed: 11.76 ft at 2:30PM Jan 21, 2021Observed: 11.76 ft at 2:45PM Jan 21, 2021Observed: 11.76 ft at 2:47PM Jan 21, 2021Observed: 11.75 ft at 3:00PM Jan 21, 2021Observed: 11.75 ft at 3:02PM Jan 21, 2021Observed: 11.75 ft at 3:15PM Jan 21, 2021Observed: 11.75 ft at 3:17PM Jan 21, 2021Observed: 11.74 ft at 3:30PM Jan 21, 2021Observed: 11.74 ft at 3:45PM Jan 21, 2021Observed: 11.73 ft at 4:00PM Jan 21, 2021Observed: 11.73 ft at 4:15PM Jan 21, 2021Observed: 11.73 ft at 4:30PM Jan 21, 2021Observed: 11.73 ft at 4:45PM Jan 21, 2021Observed: 11.74 ft at 5:00PM Jan 21, 2021Observed: 11.74 ft at 5:15PM Jan 21, 2021Observed: 11.75 ft at 5:30PM Jan 21, 2021Observed: 11.75 ft at 5:45PM Jan 21, 2021Observed: 11.75 ft at 6:00PM Jan 21, 2021Observed: 11.76 ft at 6:15PM Jan 21, 2021Observed: 11.76 ft at 6:30PM Jan 21, 2021Observed: 11.76 ft at 6:45PM Jan 21, 2021Observed: 11.77 ft at 7:00PM Jan 21, 2021Observed: 11.78 ft at 7:15PM Jan 21, 2021Observed: 11.77 ft at 7:30PM Jan 21, 2021Observed: 11.78 ft at 7:45PM Jan 21, 2021Observed: 11.79 ft at 8:00PM Jan 21, 2021Observed: 11.79 ft at 8:15PM Jan 21, 2021Observed: 11.79 ft at 8:30PM Jan 21, 2021Observed: 11.79 ft at 8:45PM Jan 21, 2021Observed: 11.81 ft at 9:00PM Jan 21, 2021Observed: 11.8 ft at 9:15PM Jan 21, 2021Observed: 11.81 ft at 9:30PM Jan 21, 2021Observed: 11.8 ft at 9:45PM Jan 21, 2021Observed: 11.81 ft at 10:00PM Jan 21, 2021Observed: 11.81 ft at 10:15PM Jan 21, 2021Observed: 11.82 ft at 10:30PM Jan 21, 2021Observed: 11.82 ft at 10:45PM Jan 21, 2021Observed: 11.82 ft at 10:46PM Jan 21, 2021Observed: 11.83 ft at 11:00PM Jan 21, 2021Observed: 11.83 ft at 11:01PM Jan 21, 2021Observed: 11.84 ft at 11:15PM Jan 21, 2021Observed: 11.84 ft at 11:16PM Jan 21, 2021Observed: 11.85 ft at 11:30PM Jan 21, 2021Observed: 11.85 ft at 11:45PM Jan 21, 2021Observed: 11.86 ft at 12:00AM Jan 22, 2021Observed: 11.86 ft at 12:15AM Jan 22, 2021Observed: 11.87 ft at 12:30AM Jan 22, 2021Observed: 11.88 ft at 12:45AM Jan 22, 2021Observed: 11.88 ft at 1:00AM Jan 22, 2021Observed: 11.89 ft at 1:15AM Jan 22, 2021Observed: 11.89 ft at 1:30AM Jan 22, 2021Observed: 11.9 ft at 1:45AM Jan 22, 2021Observed: 11.91 ft at 2:00AM Jan 22, 2021Observed: 11.91 ft at 2:15AM Jan 22, 2021Observed: 11.92 ft at 2:30AM Jan 22, 2021Observed: 11.92 ft at 2:45AM Jan 22, 2021Observed: 11.92 ft at 3:00AM Jan 22, 2021Observed: 11.91 ft at 3:15AM Jan 22, 2021Observed: 11.92 ft at 3:30AM Jan 22, 2021Observed: 11.93 ft at 3:45AM Jan 22, 2021Observed: 11.93 ft at 4:00AM Jan 22, 2021Observed: 11.94 ft at 4:15AM Jan 22, 2021Observed: 11.94 ft at 4:30AM Jan 22, 2021Observed: 11.94 ft at 4:45AM Jan 22, 2021Observed: 11.95 ft at 5:00AM Jan 22, 2021Observed: 11.95 ft at 5:15AM Jan 22, 2021Observed: 11.96 ft at 5:30AM Jan 22, 2021Observed: 11.96 ft at 5:45AM Jan 22, 2021Observed: 11.97 ft at 6:00AM Jan 22, 2021Observed: 11.97 ft at 6:15AM Jan 22, 2021Observed: 11.98 ft at 6:30AM Jan 22, 2021Observed: 11.99 ft at 6:45AM Jan 22, 2021Observed: 11.99 ft at 6:47AM Jan 22, 2021Observed: 11.99 ft at 7:00AM Jan 22, 2021Observed: 11.99 ft at 7:02AM Jan 22, 2021Observed: 12.01 ft at 7:15AM Jan 22, 2021Observed: 12.01 ft at 7:17AM Jan 22, 2021Observed: 12.01 ft at 7:30AM Jan 22, 2021Observed: 12.02 ft at 7:45AM Jan 22, 2021Observed: 12.03 ft at 8:00AM Jan 22, 2021Observed: 12.04 ft at 8:15AM Jan 22, 2021Observed: 12.04 ft at 8:30AM Jan 22, 2021Observed: 12.04 ft at 8:45AM Jan 22, 2021Observed: 12.05 ft at 9:00AM Jan 22, 2021Observed: 12.05 ft at 9:15AM Jan 22, 2021Observed: 12.07 ft at 9:30AM Jan 22, 2021Observed: 12.07 ft at 9:45AM Jan 22, 2021Observed: 12.06 ft at 10:00AM Jan 22, 2021Observed: 12.07 ft at 10:15AM Jan 22, 2021Observed: 12.08 ft at 10:30AM Jan 22, 2021Observed: 12.08 ft at 10:45AM Jan 22, 2021Observed: 12.08 ft at 11:00AM Jan 22, 2021Observed: 12.09 ft at 11:15AM Jan 22, 2021Observed: 12.09 ft at 11:30AM Jan 22, 2021Observed: 12.1 ft at 11:45AM Jan 22, 2021Observed: 12.1 ft at 12:00PM Jan 22, 2021Observed: 12.09 ft at 12:15PM Jan 22, 2021Observed: 12.09 ft at 12:30PM Jan 22, 2021Observed: 12.1 ft at 12:45PM Jan 22, 2021Observed: 12.1 ft at 1:00PM Jan 22, 2021Observed: 12.08 ft at 1:15PM Jan 22, 2021Observed: 12.08 ft at 1:30PM Jan 22, 2021Observed: 12.06 ft at 1:45PM Jan 22, 2021Observed: 12.06 ft at 2:00PM Jan 22, 2021Observed: 12.03 ft at 2:15PM Jan 22, 2021Observed: 12.01 ft at 2:30PM Jan 22, 2021Observed: 11.98 ft at 2:45PM Jan 22, 2021Observed: 11.98 ft at 2:47PM Jan 22, 2021Observed: 11.97 ft at 3:00PM Jan 22, 2021Observed: 11.97 ft at 3:02PM Jan 22, 2021Observed: 11.96 ft at 3:15PM Jan 22, 2021Observed: 11.96 ft at 3:17PM Jan 22, 2021Observed: 11.95 ft at 3:30PM Jan 22, 2021Observed: 11.94 ft at 3:45PM Jan 22, 2021Observed: 11.93 ft at 4:00PM Jan 22, 2021Observed: 11.92 ft at 4:15PM Jan 22, 2021Observed: 11.92 ft at 4:30PM Jan 22, 2021Observed: 11.92 ft at 4:45PM Jan 22, 2021Observed: 11.92 ft at 5:00PM Jan 22, 2021Observed: 11.92 ft at 5:15PM Jan 22, 2021Observed: 11.92 ft at 5:30PM Jan 22, 2021Observed: 11.92 ft at 5:45PM Jan 22, 2021Observed: 11.93 ft at 6:00PM Jan 22, 2021Observed: 11.93 ft at 6:15PM Jan 22, 2021Observed: 11.94 ft at 6:30PM Jan 22, 2021Observed: 11.94 ft at 6:45PM Jan 22, 2021Observed: 11.94 ft at 7:00PM Jan 22, 2021Observed: 11.94 ft at 7:15PM Jan 22, 2021Observed: 11.94 ft at 7:30PM Jan 22, 2021Observed: 11.95 ft at 7:45PM Jan 22, 2021Observed: 11.94 ft at 8:00PM Jan 22, 2021Observed: 11.95 ft at 8:15PM Jan 22, 2021Observed: 11.95 ft at 8:30PM Jan 22, 2021Observed: 11.95 ft at 8:45PM Jan 22, 2021Observed: 11.95 ft at 9:00PM Jan 22, 2021Observed: 11.96 ft at 9:15PM Jan 22, 2021Observed: 11.97 ft at 9:30PM Jan 22, 2021Observed: 11.97 ft at 9:45PM Jan 22, 2021Observed: 11.97 ft at 10:00PM Jan 22, 2021Observed: 11.98 ft at 10:15PM Jan 22, 2021Observed: 11.98 ft at 10:30PM Jan 22, 2021Observed: 11.98 ft at 10:45PM Jan 22, 2021Observed: 11.98 ft at 10:46PM Jan 22, 2021Observed: 11.98 ft at 11:00PM Jan 22, 2021Observed: 11.98 ft at 11:01PM Jan 22, 2021Observed: 11.99 ft at 11:15PM Jan 22, 2021Observed: 11.99 ft at 11:16PM Jan 22, 2021Observed: 12 ft at 11:30PM Jan 22, 2021Observed: 12.01 ft at 11:45PM Jan 22, 2021Observed: 12.01 ft at 12:00AM Jan 23, 2021Observed: 12.01 ft at 12:15AM Jan 23, 2021Observed: 12.02 ft at 12:30AM Jan 23, 2021Observed: 12.03 ft at 12:45AM Jan 23, 2021Observed: 12.03 ft at 1:00AM Jan 23, 2021Observed: 12.04 ft at 1:15AM Jan 23, 2021Observed: 12.04 ft at 1:30AM Jan 23, 2021Observed: 12.05 ft at 1:45AM Jan 23, 2021Observed: 12.05 ft at 2:00AM Jan 23, 2021Observed: 12.06 ft at 2:15AM Jan 23, 2021Observed: 12.07 ft at 2:30AM Jan 23, 2021Observed: 12.07 ft at 2:45AM Jan 23, 2021Observed: 12.08 ft at 3:00AM Jan 23, 2021Observed: 12.09 ft at 3:15AM Jan 23, 2021Observed: 12.1 ft at 3:30AM Jan 23, 2021Observed: 12.1 ft at 3:45AM Jan 23, 2021Observed: 12.11 ft at 4:00AM Jan 23, 2021Observed: 12.12 ft at 4:15AM Jan 23, 2021Observed: 12.11 ft at 4:30AM Jan 23, 2021Observed: 12.13 ft at 4:45AM Jan 23, 2021Observed: 12.12 ft at 5:00AM Jan 23, 2021Observed: 12.12 ft at 5:15AM Jan 23, 2021Observed: 12.13 ft at 5:30AM Jan 23, 2021Observed: 12.12 ft at 5:45AM Jan 23, 2021Observed: 12.12 ft at 6:00AM Jan 23, 2021Observed: 12.13 ft at 6:15AM Jan 23, 2021Observed: 12.13 ft at 6:30AM Jan 23, 2021Observed: 12.13 ft at 6:45AM Jan 23, 2021Observed: 12.13 ft at 6:46AM Jan 23, 2021Observed: 12.12 ft at 7:00AM Jan 23, 2021Observed: 12.12 ft at 7:01AM Jan 23, 2021Observed: 12.12 ft at 7:15AM Jan 23, 2021Observed: 12.12 ft at 7:16AM Jan 23, 2021Observed: 12.12 ft at 7:30AM Jan 23, 2021Observed: 12.12 ft at 7:45AM Jan 23, 2021Observed: 12.12 ft at 8:00AM Jan 23, 2021Observed: 12.11 ft at 8:15AM Jan 23, 2021Observed: 12.11 ft at 8:30AM Jan 23, 2021Observed: 12.13 ft at 8:45AM Jan 23, 2021Observed: 12.1 ft at 9:00AM Jan 23, 2021Observed: 12.08 ft at 9:15AM Jan 23, 2021Observed: 12.08 ft at 9:30AM Jan 23, 2021Observed: 12.07 ft at 9:45AM Jan 23, 2021Observed: 12.07 ft at 10:00AM Jan 23, 2021Observed: 12.07 ft at 10:15AM Jan 23, 2021Observed: 12.08 ft at 10:30AM Jan 23, 2021Observed: 12.07 ft at 10:45AM Jan 23, 2021Observed: 12.06 ft at 11:00AM Jan 23, 2021Observed: 12.06 ft at 11:15AM Jan 23, 2021Observed: 12.06 ft at 11:30AM Jan 23, 2021Observed: 12.07 ft at 11:45AM Jan 23, 2021Observed: 12.05 ft at 12:00PM Jan 23, 2021Observed: 12.05 ft at 12:15PM Jan 23, 2021Observed: 12.06 ft at 12:30PM Jan 23, 2021Observed: 12.05 ft at 12:45PM Jan 23, 2021Observed: 12.06 ft at 1:00PM Jan 23, 2021Observed: 12.05 ft at 1:15PM Jan 23, 2021Observed: 12.06 ft at 1:30PM Jan 23, 2021Observed: 12.04 ft at 1:45PM Jan 23, 2021Observed: 12.05 ft at 2:00PM Jan 23, 2021Observed: 12.05 ft at 2:15PM Jan 23, 2021Observed: 12.04 ft at 2:30PM Jan 23, 2021Observed: 12.03 ft at 2:45PM Jan 23, 2021Observed: 12.03 ft at 2:46PM Jan 23, 2021Observed: 12.02 ft at 3:00PM Jan 23, 2021Observed: 12.02 ft at 3:01PM Jan 23, 2021Observed: 12.02 ft at 3:15PM Jan 23, 2021Observed: 12.02 ft at 3:16PM Jan 23, 2021Observed: 12 ft at 3:30PM Jan 23, 2021Observed: 11.99 ft at 3:45PM Jan 23, 2021Observed: 11.98 ft at 4:00PM Jan 23, 2021Observed: 11.97 ft at 4:15PM Jan 23, 2021Observed: 11.96 ft at 4:30PM Jan 23, 2021Observed: 11.96 ft at 4:45PM Jan 23, 2021Observed: 11.95 ft at 5:00PM Jan 23, 2021Observed: 11.93 ft at 5:15PM Jan 23, 2021Observed: 11.94 ft at 5:30PM Jan 23, 2021Observed: 11.92 ft at 5:45PM Jan 23, 2021Observed: 11.92 ft at 6:00PM Jan 23, 2021Observed: 11.91 ft at 6:15PM Jan 23, 2021Observed: 11.92 ft at 6:30PM Jan 23, 2021Observed: 11.92 ft at 6:45PM Jan 23, 2021Observed: 11.91 ft at 7:00PM Jan 23, 2021Observed: 11.9 ft at 7:15PM Jan 23, 2021Observed: 11.89 ft at 7:30PM Jan 23, 2021Observed: 11.88 ft at 7:45PM Jan 23, 2021Observed: 11.88 ft at 8:00PM Jan 23, 2021Observed: 11.88 ft at 8:15PM Jan 23, 2021Observed: 11.88 ft at 8:30PM Jan 23, 2021Observed: 11.88 ft at 8:45PM Jan 23, 2021Observed: 11.89 ft at 9:00PM Jan 23, 2021Observed: 11.89 ft at 9:15PM Jan 23, 2021Observed: 11.9 ft at 9:30PM Jan 23, 2021Observed: 11.91 ft at 9:45PM Jan 23, 2021Observed: 11.91 ft at 10:00PM Jan 23, 2021Observed: 11.91 ft at 10:15PM Jan 23, 2021Observed: 11.92 ft at 10:30PM Jan 23, 2021Observed: 11.93 ft at 10:45PM Jan 23, 2021Observed: 11.93 ft at 10:46PM Jan 23, 2021Observed: 11.93 ft at 11:00PM Jan 23, 2021Observed: 11.93 ft at 11:01PM Jan 23, 2021Observed: 11.94 ft at 11:15PM Jan 23, 2021Observed: 11.94 ft at 11:16PM Jan 23, 2021Observed: 11.94 ft at 11:30PM Jan 23, 2021Observed: 11.94 ft at 11:45PM Jan 23, 2021Observed: 11.94 ft at 12:00AM Jan 24, 2021Observed: 11.94 ft at 12:15AM Jan 24, 2021Observed: 11.94 ft at 12:30AM Jan 24, 2021Observed: 11.94 ft at 12:45AM Jan 24, 2021Observed: 11.95 ft at 1:00AM Jan 24, 2021Observed: 11.94 ft at 1:15AM Jan 24, 2021Observed: 11.94 ft at 1:30AM Jan 24, 2021Observed: 11.94 ft at 1:45AM Jan 24, 2021Observed: 11.94 ft at 2:00AM Jan 24, 2021Observed: 11.95 ft at 2:15AM Jan 24, 2021Observed: 11.94 ft at 2:30AM Jan 24, 2021Observed: 11.95 ft at 2:45AM Jan 24, 2021Observed: 11.95 ft at 3:00AM Jan 24, 2021Observed: 11.96 ft at 3:15AM Jan 24, 2021Observed: 11.96 ft at 3:30AM Jan 24, 2021Observed: 11.96 ft at 3:45AM Jan 24, 2021Observed: 11.97 ft at 4:00AM Jan 24, 2021Observed: 11.97 ft at 4:15AM Jan 24, 2021Observed: 11.97 ft at 4:30AM Jan 24, 2021Observed: 11.97 ft at 4:45AM Jan 24, 2021Observed: 11.97 ft at 5:00AM Jan 24, 2021Observed: 11.97 ft at 5:15AM Jan 24, 2021Observed: 11.97 ft at 5:30AM Jan 24, 2021Observed: 11.96 ft at 5:45AM Jan 24, 2021Observed: 11.96 ft at 6:00AM Jan 24, 2021Observed: 11.96 ft at 6:15AM Jan 24, 2021Observed: 11.97 ft at 6:30AM Jan 24, 2021Observed: 11.97 ft at 6:45AM Jan 24, 2021Observed: 11.97 ft at 6:47AM Jan 24, 2021Observed: 11.96 ft at 7:00AM Jan 24, 2021Observed: 11.96 ft at 7:02AM Jan 24, 2021Observed: 11.97 ft at 7:15AM Jan 24, 2021Observed: 11.97 ft at 7:17AM Jan 24, 2021Observed: 11.97 ft at 7:30AM Jan 24, 2021Observed: 11.97 ft at 7:45AM Jan 24, 2021Observed: 11.97 ft at 8:00AM Jan 24, 2021Observed: 11.97 ft at 8:15AM Jan 24, 2021Observed: 11.97 ft at 8:30AM Jan 24, 2021Observed: 11.95 ft at 8:45AM Jan 24, 2021Observed: 11.95 ft at 9:00AM Jan 24, 2021Observed: 11.94 ft at 9:15AM Jan 24, 2021Observed: 11.94 ft at 9:30AM Jan 24, 2021Observed: 11.94 ft at 9:45AM Jan 24, 2021Observed: 11.95 ft at 10:00AM Jan 24, 2021Observed: 11.96 ft at 10:15AM Jan 24, 2021Observed: 11.97 ft at 10:30AM Jan 24, 2021Observed: 11.98 ft at 10:45AM Jan 24, 2021Observed: 11.97 ft at 11:00AM Jan 24, 2021Observed: 11.98 ft at 11:15AM Jan 24, 2021Observed: 11.98 ft at 11:30AM Jan 24, 2021Observed: 11.99 ft at 11:45AM Jan 24, 2021Observed: 11.99 ft at 12:00PM Jan 24, 2021Observed: 12 ft at 12:15PM Jan 24, 2021Observed: 11.99 ft at 12:30PM Jan 24, 2021Observed: 11.99 ft at 12:45PM Jan 24, 2021Observed: 11.98 ft at 1:00PM Jan 24, 2021Observed: 11.97 ft at 1:15PM Jan 24, 2021Observed: 11.97 ft at 1:30PM Jan 24, 2021Observed: 11.97 ft at 1:45PM Jan 24, 2021Observed: 11.96 ft at 2:00PM Jan 24, 2021Observed: 11.94 ft at 2:15PM Jan 24, 2021Observed: 11.94 ft at 2:30PM Jan 24, 2021Observed: 11.93 ft at 2:45PM Jan 24, 2021Observed: 11.93 ft at 3:00PM Jan 24, 2021Observed: 11.93 ft at 3:01PM Jan 24, 2021Observed: 11.92 ft at 3:15PM Jan 24, 2021Observed: 11.92 ft at 3:16PM Jan 24, 2021Observed: 11.92 ft at 3:30PM Jan 24, 2021Observed: 11.92 ft at 3:31PM Jan 24, 2021Observed: 11.92 ft at 3:45PM Jan 24, 2021Observed: 11.92 ft at 4:00PM Jan 24, 2021Observed: 11.92 ft at 4:15PM Jan 24, 2021Observed: 11.92 ft at 4:30PM Jan 24, 2021Observed: 11.92 ft at 4:45PM Jan 24, 2021Observed: 11.92 ft at 5:00PM Jan 24, 2021Observed: 11.91 ft at 5:15PM Jan 24, 2021Observed: 11.92 ft at 5:30PM Jan 24, 2021Observed: 11.91 ft at 5:45PM Jan 24, 2021Observed: 11.91 ft at 6:00PM Jan 24, 2021Observed: 11.91 ft at 6:15PM Jan 24, 2021Observed: 11.9 ft at 6:30PM Jan 24, 2021Observed: 11.91 ft at 6:45PM Jan 24, 2021Observed: 11.91 ft at 7:00PM Jan 24, 2021Observed: 11.9 ft at 7:15PM Jan 24, 2021Observed: 11.9 ft at 7:30PM Jan 24, 2021Observed: 11.89 ft at 7:45PM Jan 24, 2021Observed: 11.89 ft at 8:00PM Jan 24, 2021Observed: 11.89 ft at 8:15PM Jan 24, 2021Observed: 11.89 ft at 8:30PM Jan 24, 2021Observed: 11.9 ft at 8:45PM Jan 24, 2021Observed: 11.89 ft at 9:00PM Jan 24, 2021Observed: 11.89 ft at 9:15PM Jan 24, 2021Observed: 11.89 ft at 9:30PM Jan 24, 2021Observed: 11.89 ft at 9:45PM Jan 24, 2021Observed: 11.89 ft at 10:00PM Jan 24, 2021Observed: 11.89 ft at 10:15PM Jan 24, 2021Observed: 11.9 ft at 10:30PM Jan 24, 2021Observed: 11.9 ft at 10:45PM Jan 24, 2021Observed: 11.9 ft at 11:00PM Jan 24, 2021Observed: 11.9 ft at 11:02PM Jan 24, 2021Observed: 11.9 ft at 11:15PM Jan 24, 2021Observed: 11.9 ft at 11:17PM Jan 24, 2021Observed: 11.9 ft at 11:30PM Jan 24, 2021Observed: 11.9 ft at 11:32PM Jan 24, 2021Observed: 11.91 ft at 11:45PM Jan 24, 2021Observed: 11.91 ft at 12:00AM Jan 25, 2021Observed: 11.91 ft at 12:15AM Jan 25, 2021Observed: 11.91 ft at 12:30AM Jan 25, 2021Observed: 11.91 ft at 12:45AM Jan 25, 2021Observed: 11.92 ft at 1:00AM Jan 25, 2021Observed: 11.92 ft at 1:15AM Jan 25, 2021Observed: 11.92 ft at 1:30AM Jan 25, 2021Observed: 11.93 ft at 1:45AM Jan 25, 2021Observed: 11.93 ft at 2:00AM Jan 25, 2021Observed: 11.93 ft at 2:15AM Jan 25, 2021Observed: 11.93 ft at 2:30AM Jan 25, 2021Observed: 11.94 ft at 2:45AM Jan 25, 2021Observed: 11.94 ft at 3:00AM Jan 25, 2021Observed: 11.94 ft at 3:15AM Jan 25, 2021Observed: 11.96 ft at 3:30AM Jan 25, 2021Observed: 11.96 ft at 3:45AM Jan 25, 2021Observed: 11.96 ft at 4:00AM Jan 25, 2021Observed: 11.96 ft at 4:15AM Jan 25, 2021Observed: 11.97 ft at 4:30AM Jan 25, 2021Observed: 11.97 ft at 4:45AM Jan 25, 2021Observed: 11.97 ft at 5:00AM Jan 25, 2021Observed: 11.97 ft at 5:15AM Jan 25, 2021Observed: 11.98 ft at 5:30AM Jan 25, 2021Observed: 11.98 ft at 5:45AM Jan 25, 2021Observed: 11.98 ft at 6:00AM Jan 25, 2021Observed: 11.98 ft at 6:15AM Jan 25, 2021Observed: 11.99 ft at 6:30AM Jan 25, 2021Observed: 11.99 ft at 6:45AM Jan 25, 2021Observed: 12 ft at 7:00AM Jan 25, 2021Observed: 12 ft at 7:01AM Jan 25, 2021Observed: 12 ft at 7:15AM Jan 25, 2021Observed: 12 ft at 7:16AM Jan 25, 2021Observed: 12 ft at 7:30AM Jan 25, 2021Observed: 12 ft at 7:31AM Jan 25, 2021Observed: 11.99 ft at 7:45AM Jan 25, 2021Observed: 11.99 ft at 8:00AM Jan 25, 2021Observed: 11.99 ft at 8:15AM Jan 25, 2021Observed: 12 ft at 8:30AM Jan 25, 2021Observed: 12 ft at 8:45AM Jan 25, 2021Observed: 12 ft at 9:00AM Jan 25, 2021Observed: 11.99 ft at 9:15AM Jan 25, 2021Observed: 12 ft at 9:30AM Jan 25, 2021Observed: 11.98 ft at 9:45AM Jan 25, 2021Observed: 11.98 ft at 10:00AM Jan 25, 2021Observed: 11.97 ft at 10:15AM Jan 25, 2021Observed: 11.97 ft at 10:30AM Jan 25, 2021Observed: 11.97 ft at 10:45AM Jan 25, 2021Observed: 11.98 ft at 11:00AM Jan 25, 2021Observed: 11.98 ft at 11:15AM Jan 25, 2021Observed: 11.98 ft at 11:30AM Jan 25, 2021Observed: 11.98 ft at 11:45AM Jan 25, 2021Observed: 11.98 ft at 12:00PM Jan 25, 2021Observed: 11.98 ft at 12:15PM Jan 25, 2021Observed: 11.99 ft at 12:30PM Jan 25, 2021Observed: 11.99 ft at 12:45PM Jan 25, 2021Observed: 12 ft at 1:00PM Jan 25, 2021Observed: 12.01 ft at 1:15PM Jan 25, 2021Observed: 12.01 ft at 1:30PM Jan 25, 2021Observed: 12 ft at 1:45PM Jan 25, 2021Observed: 12.01 ft at 2:00PM Jan 25, 2021Observed: 12.02 ft at 2:15PM Jan 25, 2021Observed: 12.02 ft at 2:30PM Jan 25, 2021Observed: 12.02 ft at 2:45PM Jan 25, 2021Observed: 12.02 ft at 3:00PM Jan 25, 2021Observed: 12.02 ft at 3:02PM Jan 25, 2021Observed: 12.02 ft at 3:15PM Jan 25, 2021Observed: 12.02 ft at 3:17PM Jan 25, 2021Observed: 12.03 ft at 3:30PM Jan 25, 2021Observed: 12.03 ft at 3:32PM Jan 25, 2021Observed: 12.03 ft at 3:45PM Jan 25, 2021Observed: 12.03 ft at 4:00PM Jan 25, 2021Observed: 12.02 ft at 4:15PM Jan 25, 2021Observed: 12.02 ft at 4:30PM Jan 25, 2021Observed: 12.01 ft at 4:45PM Jan 25, 2021Observed: 12.01 ft at 5:00PM Jan 25, 2021Observed: 12.02 ft at 5:15PM Jan 25, 2021Observed: 12.02 ft at 5:30PM Jan 25, 2021Observed: 12.02 ft at 5:45PM Jan 25, 2021Observed: 12.01 ft at 6:00PM Jan 25, 2021Observed: 11.99 ft at 6:15PM Jan 25, 2021Observed: 12 ft at 6:30PM Jan 25, 2021Observed: 11.99 ft at 6:45PM Jan 25, 2021Observed: 12 ft at 7:00PM Jan 25, 2021Observed: 11.99 ft at 7:15PM Jan 25, 2021Observed: 12 ft at 7:30PM Jan 25, 2021Observed: 12.02 ft at 7:45PM Jan 25, 2021Observed: 12.03 ft at 8:00PM Jan 25, 2021Observed: 12.02 ft at 8:15PM Jan 25, 2021Observed: 12.03 ft at 8:30PM Jan 25, 2021Observed: 12.02 ft at 8:45PM Jan 25, 2021Observed: 12.02 ft at 9:00PM Jan 25, 2021Observed: 12.01 ft at 9:15PM Jan 25, 2021Observed: 12.03 ft at 9:30PM Jan 25, 2021Observed: 12.07 ft at 9:45PM Jan 25, 2021Observed: 12.09 ft at 10:00PM Jan 25, 2021Observed: 12.1 ft at 10:15PM Jan 25, 2021Observed: 12.09 ft at 10:30PM Jan 25, 2021Observed: 12.1 ft at 10:45PM Jan 25, 2021Observed: 12.11 ft at 11:00PM Jan 25, 2021Observed: 12.11 ft at 11:01PM Jan 25, 2021Observed: 12.11 ft at 11:15PM Jan 25, 2021Observed: 12.11 ft at 11:16PM Jan 25, 2021Observed: 12.13 ft at 11:30PM Jan 25, 2021Observed: 12.13 ft at 11:31PM Jan 25, 2021Observed: 12.12 ft at 11:45PM Jan 25, 2021Observed: 12.13 ft at 12:00AM Jan 26, 2021Observed: 12.13 ft at 12:15AM Jan 26, 2021Observed: 12.15 ft at 12:30AM Jan 26, 2021Observed: 12.16 ft at 12:45AM Jan 26, 2021Observed: 12.17 ft at 1:00AM Jan 26, 2021Observed: 12.17 ft at 1:15AM Jan 26, 2021Observed: 12.19 ft at 1:30AM Jan 26, 2021Observed: 12.22 ft at 1:45AM Jan 26, 2021Observed: 12.25 ft at 2:00AM Jan 26, 2021Observed: 12.27 ft at 2:15AM Jan 26, 2021Observed: 12.26 ft at 2:30AM Jan 26, 2021Observed: 12.26 ft at 2:45AM Jan 26, 2021Observed: 12.28 ft at 3:00AM Jan 26, 2021Observed: 12.28 ft at 3:15AM Jan 26, 2021Observed: 12.29 ft at 3:30AM Jan 26, 2021Observed: 12.31 ft at 3:45AM Jan 26, 2021Observed: 12.33 ft at 4:00AM Jan 26, 2021Observed: 12.34 ft at 4:15AM Jan 26, 2021Observed: 12.36 ft at 4:30AM Jan 26, 2021Observed: 12.35 ft at 4:45AM Jan 26, 2021Observed: 12.37 ft at 5:00AM Jan 26, 2021Observed: 12.37 ft at 5:15AM Jan 26, 2021Observed: 12.39 ft at 5:30AM Jan 26, 2021Observed: 12.38 ft at 5:45AM Jan 26, 2021Observed: 12.37 ft at 6:00AM Jan 26, 2021Observed: 12.38 ft at 6:15AM Jan 26, 2021Observed: 12.38 ft at 6:30AM Jan 26, 2021Observed: 12.39 ft at 6:45AM Jan 26, 2021Observed: 12.38 ft at 7:00AM Jan 26, 2021Observed: 12.38 ft at 7:01AM Jan 26, 2021Observed: 12.38 ft at 7:15AM Jan 26, 2021Observed: 12.38 ft at 7:16AM Jan 26, 2021Observed: 12.37 ft at 7:30AM Jan 26, 2021Observed: 12.37 ft at 7:31AM Jan 26, 2021Observed: 12.37 ft at 7:45AM Jan 26, 2021Observed: 12.37 ft at 8:00AM Jan 26, 2021Observed: 12.36 ft at 8:15AM Jan 26, 2021Observed: 12.36 ft at 8:30AM Jan 26, 2021Observed: 12.35 ft at 8:45AM Jan 26, 2021Observed: 12.35 ft at 9:00AM Jan 26, 2021Observed: 12.35 ft at 9:15AM Jan 26, 2021Observed: 12.37 ft at 9:30AM Jan 26, 2021Observed: 12.38 ft at 9:45AM Jan 26, 2021Observed: 12.36 ft at 10:00AM Jan 26, 2021Observed: 12.34 ft at 10:15AM Jan 26, 2021Observed: 12.33 ft at 10:30AM Jan 26, 2021Observed: 12.35 ft at 10:45AM Jan 26, 2021Observed: 12.38 ft at 11:00AM Jan 26, 2021Observed: 12.37 ft at 11:15AM Jan 26, 2021Observed: 12.38 ft at 11:30AM Jan 26, 2021Observed: 12.38 ft at 11:45AM Jan 26, 2021Observed: 12.38 ft at 12:00PM Jan 26, 2021Observed: 12.39 ft at 12:15PM Jan 26, 2021Observed: 12.41 ft at 12:30PM Jan 26, 2021Observed: 12.42 ft at 12:45PM Jan 26, 2021Highest Observation: 12.43 ft at 1:00PM Jan 26, 2021Observed: 12.42 ft at 1:15PM Jan 26, 2021Observed: 12.41 ft at 1:30PM Jan 26, 2021Observed: 12.38 ft at 1:45PM Jan 26, 2021Observed: 12.37 ft at 2:00PM Jan 26, 2021Observed: 12.37 ft at 2:15PM Jan 26, 2021Observed: 12.37 ft at 2:30PM Jan 26, 2021Observed: 12.35 ft at 2:45PM Jan 26, 2021Observed: 12.35 ft at 3:00PM Jan 26, 2021Observed: 12.35 ft at 3:15PM Jan 26, 2021Observed: 12.32 ft at 3:30PM Jan 26, 2021Observed: 12.3 ft at 3:45PM Jan 26, 2021Observed: 12.29 ft at 4:00PM Jan 26, 2021Observed: 12.29 ft at 4:15PM Jan 26, 2021Observed: 12.29 ft at 4:30PM Jan 26, 2021Observed: 12.3 ft at 4:45PM Jan 26, 2021Observed: 12.28 ft at 5:00PM Jan 26, 2021Observed: 12.27 ft at 5:15PM Jan 26, 2021Observed: 12.25 ft at 5:30PM Jan 26, 2021Observed: 12.24 ft at 5:45PM Jan 26, 2021Observed: 12.24 ft at 6:00PM Jan 26, 2021Observed: 12.24 ft at 6:15PM Jan 26, 2021Observed: 12.24 ft at 6:30PM Jan 26, 2021Observed: 12.25 ft at 6:45PM Jan 26, 2021Observed: 12.26 ft at 7:00PM Jan 26, 2021Observed: 12.26 ft at 7:15PM Jan 26, 2021Observed: 12.26 ft at 7:30PM Jan 26, 2021Observed: 12.25 ft at 7:45PM Jan 26, 2021Observed: 12.25 ft at 8:00PM Jan 26, 2021Observed: 12.24 ft at 8:15PM Jan 26, 2021Observed: 12.22 ft at 8:30PM Jan 26, 2021Observed: 12.21 ft at 8:45PM Jan 26, 2021Observed: 12.21 ft at 9:00PM Jan 26, 2021Observed: 12.2 ft at 9:15PM Jan 26, 2021Observed: 12.2 ft at 9:30PM Jan 26, 2021Observed: 12.2 ft at 9:45PM Jan 26, 2021Observed: 12.2 ft at 10:00PM Jan 26, 2021Observed: 12.22 ft at 10:15PM Jan 26, 2021Observed: 12.22 ft at 10:30PM Jan 26, 2021Observed: 12.22 ft at 10:45PM Jan 26, 2021Observed: 12.23 ft at 11:00PM Jan 26, 2021Observed: 12.23 ft at 11:15PM Jan 26, 2021Observed: 12.21 ft at 11:30PM Jan 26, 2021Observed: 12.22 ft at 11:45PM Jan 26, 2021Observed: 12.23 ft at 12:00AM Jan 27, 2021Observed: 12.22 ft at 12:15AM Jan 27, 2021Observed: 12.22 ft at 12:30AM Jan 27, 2021USGS--Water Resources of the United StatesHWDI4(plotting HGIRG) Graph Created (1:04AM Jan 27, 2021)ObservedLatest observed value: 12.22 ft at 12:30 AM CST 27-Jan-2021. Flood Stage is 20.5 ft
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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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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) 22.38 ft on 05/02/2016
(5) 20.35 ft on 05/23/2017
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(P): Preliminary values subject to further review.

Recent Crests
(1) 32.83 ft on 09/15/2019 (P)
(2) 35.20 ft on 03/15/2019
(3) 34.00 ft on 06/22/2018
(4) 20.35 ft on 05/23/2017
(5) 22.38 ft on 05/02/2016
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.
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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.
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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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