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Hydrograph River at a Glance Download
Big Sioux River at Akron Stage (ft)Flow (cfs)Observed: 6.86 ft at 7:00PM May 02, 2021Observed: 6.88 ft at 7:15PM May 02, 2021Observed: 6.88 ft at 7:30PM May 02, 2021Observed: 6.86 ft at 7:45PM May 02, 2021Observed: 6.87 ft at 8:00PM May 02, 2021Observed: 6.9 ft at 8:15PM May 02, 2021Observed: 6.91 ft at 8:30PM May 02, 2021Observed: 6.89 ft at 8:45PM May 02, 2021Observed: 6.92 ft at 9:00PM May 02, 2021Observed: 6.91 ft at 9:15PM May 02, 2021Observed: 6.91 ft at 9:30PM May 02, 2021Observed: 6.93 ft at 9:45PM May 02, 2021Observed: 6.93 ft at 10:00PM May 02, 2021Observed: 6.94 ft at 10:15PM May 02, 2021Observed: 6.94 ft at 10:30PM May 02, 2021Observed: 6.95 ft at 10:45PM May 02, 2021Observed: 6.95 ft at 11:00PM May 02, 2021Observed: 6.96 ft at 11:15PM May 02, 2021Observed: 6.96 ft at 11:30PM May 02, 2021Observed: 6.97 ft at 11:45PM May 02, 2021Observed: 6.97 ft at 12:00AM May 03, 2021Observed: 6.98 ft at 12:15AM May 03, 2021Observed: 6.99 ft at 12:30AM May 03, 2021Observed: 7 ft at 12:45AM May 03, 2021Observed: 7 ft at 1:00AM May 03, 2021Observed: 7.01 ft at 1:15AM May 03, 2021Observed: 7.01 ft at 1:30AM May 03, 2021Observed: 7.02 ft at 1:45AM May 03, 2021Observed: 7.02 ft at 2:00AM May 03, 2021Observed: 7.03 ft at 2:15AM May 03, 2021Observed: 7.03 ft at 2:16AM May 03, 2021Observed: 7.03 ft at 2:30AM May 03, 2021Observed: 7.03 ft at 2:31AM May 03, 2021Observed: 7.03 ft at 2:45AM May 03, 2021Observed: 7.03 ft at 2:46AM May 03, 2021Observed: 7.04 ft at 3:00AM May 03, 2021Observed: 7.05 ft at 3:15AM May 03, 2021Observed: 7.05 ft at 3:30AM May 03, 2021Observed: 7.06 ft at 3:45AM May 03, 2021Observed: 7.06 ft at 4:00AM May 03, 2021Observed: 7.06 ft at 4:15AM May 03, 2021Observed: 7.06 ft at 4:30AM May 03, 2021Observed: 7.07 ft at 4:45AM May 03, 2021Observed: 7.06 ft at 5:00AM May 03, 2021Observed: 7.08 ft at 5:15AM May 03, 2021Observed: 7.08 ft at 5:30AM May 03, 2021Observed: 7.08 ft at 5:45AM May 03, 2021Observed: 7.09 ft at 6:00AM May 03, 2021Observed: 7.09 ft at 6:15AM May 03, 2021Observed: 7.09 ft at 6:30AM May 03, 2021Observed: 7.09 ft at 6:45AM May 03, 2021Highest Observation: 7.1 ft at 7:00AM May 03, 2021Observed: 7.09 ft at 7:15AM May 03, 2021Observed: 7.09 ft at 7:30AM May 03, 2021Observed: 7.08 ft at 7:45AM May 03, 2021Observed: 7.08 ft at 8:00AM May 03, 2021Observed: 7.09 ft at 8:15AM May 03, 2021Observed: 7.08 ft at 8:30AM May 03, 2021Observed: 7.08 ft at 8:45AM May 03, 2021Observed: 7.09 ft at 9:00AM May 03, 2021Observed: 7.08 ft at 9:15AM May 03, 2021Observed: 7.07 ft at 9:30AM May 03, 2021Observed: 7.07 ft at 9:45AM May 03, 2021Observed: 7.06 ft at 10:00AM May 03, 2021Observed: 7.06 ft at 10:15AM May 03, 2021Observed: 7.06 ft at 10:16AM May 03, 2021Observed: 7.04 ft at 10:30AM May 03, 2021Observed: 7.04 ft at 10:31AM May 03, 2021Observed: 7.02 ft at 10:45AM May 03, 2021Observed: 7.02 ft at 10:46AM May 03, 2021Observed: 7.04 ft at 11:00AM May 03, 2021Observed: 7.04 ft at 11:15AM May 03, 2021Observed: 7.05 ft at 11:30AM May 03, 2021Observed: 7.02 ft at 11:45AM May 03, 2021Observed: 7.04 ft at 12:00PM May 03, 2021Observed: 7.02 ft at 12:15PM May 03, 2021Observed: 7.06 ft at 12:30PM May 03, 2021Observed: 7.02 ft at 12:45PM May 03, 2021Observed: 7.05 ft at 1:00PM May 03, 2021Observed: 7.05 ft at 1:15PM May 03, 2021Observed: 7.06 ft at 1:30PM May 03, 2021Observed: 7.06 ft at 1:45PM May 03, 2021Observed: 7.07 ft at 2:00PM May 03, 2021Observed: 7.08 ft at 2:15PM May 03, 2021Observed: 7.05 ft at 2:30PM May 03, 2021Observed: 7.03 ft at 2:45PM May 03, 2021Observed: 7.07 ft at 3:00PM May 03, 2021Observed: 7.05 ft at 3:15PM May 03, 2021Observed: 7.03 ft at 3:30PM May 03, 2021Observed: 7.06 ft at 3:45PM May 03, 2021Observed: 7.05 ft at 4:00PM May 03, 2021Observed: 7.04 ft at 4:15PM May 03, 2021Observed: 7.02 ft at 4:30PM May 03, 2021Observed: 7.04 ft at 4:45PM May 03, 2021Observed: 7.04 ft at 5:00PM May 03, 2021Observed: 7.02 ft at 5:15PM May 03, 2021Observed: 7.05 ft at 5:30PM May 03, 2021Observed: 7.05 ft at 5:45PM May 03, 2021Observed: 7.05 ft at 6:00PM May 03, 2021Observed: 7.04 ft at 6:15PM May 03, 2021Observed: 7.04 ft at 6:30PM May 03, 2021Observed: 7.03 ft at 6:45PM May 03, 2021Observed: 7.03 ft at 7:00PM May 03, 2021Observed: 7.02 ft at 7:15PM May 03, 2021Observed: 7.03 ft at 7:30PM May 03, 2021Observed: 7.03 ft at 7:45PM May 03, 2021Observed: 7.01 ft at 8:00PM May 03, 2021Observed: 7 ft at 8:15PM May 03, 2021Observed: 7 ft at 8:30PM May 03, 2021Observed: 6.99 ft at 8:45PM May 03, 2021Observed: 6.99 ft at 9:00PM May 03, 2021Observed: 6.99 ft at 9:15PM May 03, 2021Observed: 6.99 ft at 9:30PM May 03, 2021Observed: 6.98 ft at 9:45PM May 03, 2021Observed: 6.98 ft at 10:00PM May 03, 2021Observed: 6.98 ft at 10:15PM May 03, 2021Observed: 6.98 ft at 10:30PM May 03, 2021Observed: 6.97 ft at 10:45PM May 03, 2021Observed: 6.97 ft at 11:00PM May 03, 2021Observed: 6.97 ft at 11:15PM May 03, 2021Observed: 6.97 ft at 11:30PM May 03, 2021Observed: 6.96 ft at 11:45PM May 03, 2021Observed: 6.95 ft at 12:00AM May 04, 2021Observed: 6.96 ft at 12:15AM May 04, 2021Observed: 6.95 ft at 12:30AM May 04, 2021Observed: 6.95 ft at 12:45AM May 04, 2021Observed: 6.95 ft at 1:00AM May 04, 2021Observed: 6.94 ft at 1:15AM May 04, 2021Observed: 6.94 ft at 1:30AM May 04, 2021Observed: 6.94 ft at 1:45AM May 04, 2021Observed: 6.94 ft at 2:00AM May 04, 2021Observed: 6.94 ft at 2:15AM May 04, 2021Observed: 6.93 ft at 2:30AM May 04, 2021Observed: 6.93 ft at 2:31AM May 04, 2021Observed: 6.93 ft at 2:45AM May 04, 2021Observed: 6.93 ft at 2:46AM May 04, 2021Observed: 6.93 ft at 3:00AM May 04, 2021Observed: 6.93 ft at 3:01AM May 04, 2021Observed: 6.93 ft at 3:15AM May 04, 2021Observed: 6.93 ft at 3:30AM May 04, 2021Observed: 6.93 ft at 3:45AM May 04, 2021Observed: 6.93 ft at 4:00AM May 04, 2021Observed: 6.93 ft at 4:15AM May 04, 2021Observed: 6.93 ft at 4:30AM May 04, 2021Observed: 6.92 ft at 4:45AM May 04, 2021Observed: 6.92 ft at 5:00AM May 04, 2021Observed: 6.92 ft at 5:15AM May 04, 2021Observed: 6.92 ft at 5:30AM May 04, 2021Observed: 6.92 ft at 5:45AM May 04, 2021Observed: 6.91 ft at 6:00AM May 04, 2021Observed: 6.91 ft at 6:15AM May 04, 2021Observed: 6.91 ft at 6:30AM May 04, 2021Observed: 6.91 ft at 6:45AM May 04, 2021Observed: 6.9 ft at 7:00AM May 04, 2021Observed: 6.9 ft at 7:15AM May 04, 2021Observed: 6.9 ft at 7:30AM May 04, 2021Observed: 6.9 ft at 7:45AM May 04, 2021Observed: 6.9 ft at 8:00AM May 04, 2021Observed: 6.9 ft at 8:15AM May 04, 2021Observed: 6.9 ft at 8:30AM May 04, 2021Observed: 6.9 ft at 8:45AM May 04, 2021Observed: 6.9 ft at 9:00AM May 04, 2021Observed: 6.88 ft at 9:15AM May 04, 2021Observed: 6.9 ft at 9:30AM May 04, 2021Observed: 6.89 ft at 9:45AM May 04, 2021Observed: 6.86 ft at 10:00AM May 04, 2021Observed: 6.88 ft at 10:15AM May 04, 2021Observed: 6.86 ft at 10:30AM May 04, 2021Observed: 6.86 ft at 10:45AM May 04, 2021Observed: 6.88 ft at 11:00AM May 04, 2021Observed: 6.88 ft at 11:15AM May 04, 2021Observed: 6.87 ft at 11:30AM May 04, 2021Observed: 6.88 ft at 11:45AM May 04, 2021Observed: 6.86 ft at 12:00PM May 04, 2021Observed: 6.88 ft at 12:15PM May 04, 2021Observed: 6.88 ft at 12:30PM May 04, 2021Observed: 6.89 ft at 12:45PM May 04, 2021Observed: 6.88 ft at 1:00PM May 04, 2021Observed: 6.89 ft at 1:15PM May 04, 2021Observed: 6.89 ft at 1:30PM May 04, 2021Observed: 6.86 ft at 1:45PM May 04, 2021Observed: 6.89 ft at 2:00PM May 04, 2021Observed: 6.9 ft at 2:15PM May 04, 2021Observed: 6.88 ft at 2:30PM May 04, 2021Observed: 6.91 ft at 2:45PM May 04, 2021Observed: 6.91 ft at 3:00PM May 04, 2021Observed: 6.9 ft at 3:15PM May 04, 2021Observed: 6.91 ft at 3:30PM May 04, 2021Observed: 6.9 ft at 3:45PM May 04, 2021Observed: 6.9 ft at 4:00PM May 04, 2021Observed: 6.91 ft at 4:15PM May 04, 2021Observed: 6.91 ft at 4:30PM May 04, 2021Observed: 6.92 ft at 4:45PM May 04, 2021Observed: 6.92 ft at 5:00PM May 04, 2021Observed: 6.91 ft at 5:15PM May 04, 2021Observed: 6.89 ft at 5:30PM May 04, 2021Observed: 6.92 ft at 5:45PM May 04, 2021Observed: 6.92 ft at 6:00PM May 04, 2021Observed: 6.91 ft at 6:15PM May 04, 2021Observed: 6.91 ft at 6:30PM May 04, 2021Observed: 6.91 ft at 6:31PM May 04, 2021Observed: 6.91 ft at 6:45PM May 04, 2021Observed: 6.91 ft at 6:46PM May 04, 2021Observed: 6.9 ft at 7:00PM May 04, 2021Observed: 6.9 ft at 7:01PM May 04, 2021Observed: 6.9 ft at 7:15PM May 04, 2021Observed: 6.9 ft at 7:30PM May 04, 2021Observed: 6.89 ft at 7:45PM May 04, 2021Observed: 6.88 ft at 8:00PM May 04, 2021Observed: 6.87 ft at 8:15PM May 04, 2021Observed: 6.87 ft at 8:30PM May 04, 2021Observed: 6.87 ft at 8:45PM May 04, 2021Observed: 6.87 ft at 9:00PM May 04, 2021Observed: 6.87 ft at 9:15PM May 04, 2021Observed: 6.87 ft at 9:30PM May 04, 2021Observed: 6.87 ft at 9:45PM May 04, 2021Observed: 6.87 ft at 10:00PM May 04, 2021Observed: 6.87 ft at 10:15PM May 04, 2021Observed: 6.87 ft at 10:30PM May 04, 2021Observed: 6.86 ft at 10:45PM May 04, 2021Observed: 6.86 ft at 11:00PM May 04, 2021Observed: 6.86 ft at 11:15PM May 04, 2021Observed: 6.86 ft at 11:30PM May 04, 2021Observed: 6.86 ft at 11:45PM May 04, 2021Observed: 6.86 ft at 12:00AM May 05, 2021Observed: 6.86 ft at 12:15AM May 05, 2021Observed: 6.85 ft at 12:30AM May 05, 2021Observed: 6.85 ft at 12:45AM May 05, 2021Observed: 6.85 ft at 1:00AM May 05, 2021Observed: 6.85 ft at 1:15AM May 05, 2021Observed: 6.85 ft at 1:30AM May 05, 2021Observed: 6.85 ft at 1:45AM May 05, 2021Observed: 6.85 ft at 2:00AM May 05, 2021Observed: 6.84 ft at 2:15AM May 05, 2021Observed: 6.84 ft at 2:30AM May 05, 2021Observed: 6.84 ft at 2:31AM May 05, 2021Observed: 6.84 ft at 2:45AM May 05, 2021Observed: 6.84 ft at 2:46AM May 05, 2021Observed: 6.84 ft at 3:00AM May 05, 2021Observed: 6.84 ft at 3:01AM May 05, 2021Observed: 6.84 ft at 3:15AM May 05, 2021Observed: 6.84 ft at 3:30AM May 05, 2021Observed: 6.83 ft at 3:45AM May 05, 2021Observed: 6.83 ft at 4:00AM May 05, 2021Observed: 6.83 ft at 4:15AM May 05, 2021Observed: 6.83 ft at 4:30AM May 05, 2021Observed: 6.83 ft at 4:45AM May 05, 2021Observed: 6.83 ft at 5:00AM May 05, 2021Observed: 6.83 ft at 5:15AM May 05, 2021Observed: 6.84 ft at 5:30AM May 05, 2021Observed: 6.84 ft at 5:45AM May 05, 2021Observed: 6.84 ft at 6:00AM May 05, 2021Observed: 6.84 ft at 6:15AM May 05, 2021Observed: 6.83 ft at 6:30AM May 05, 2021Observed: 6.84 ft at 6:45AM May 05, 2021Observed: 6.83 ft at 7:00AM May 05, 2021Observed: 6.83 ft at 7:15AM May 05, 2021Observed: 6.83 ft at 7:30AM May 05, 2021Observed: 6.83 ft at 7:45AM May 05, 2021Observed: 6.83 ft at 8:00AM May 05, 2021Observed: 6.83 ft at 8:15AM May 05, 2021Observed: 6.82 ft at 8:30AM May 05, 2021Observed: 6.82 ft at 8:45AM May 05, 2021Observed: 6.82 ft at 9:00AM May 05, 2021Observed: 6.82 ft at 9:15AM May 05, 2021Observed: 6.81 ft at 9:30AM May 05, 2021Observed: 6.82 ft at 9:45AM May 05, 2021Observed: 6.82 ft at 10:00AM May 05, 2021Observed: 6.81 ft at 10:15AM May 05, 2021Observed: 6.81 ft at 10:30AM May 05, 2021Observed: 6.81 ft at 10:45AM May 05, 2021Observed: 6.81 ft at 11:00AM May 05, 2021Observed: 6.82 ft at 11:15AM May 05, 2021Observed: 6.81 ft at 11:30AM May 05, 2021Observed: 6.81 ft at 11:45AM May 05, 2021Observed: 6.81 ft at 12:00PM May 05, 2021Observed: 6.82 ft at 12:15PM May 05, 2021Observed: 6.82 ft at 12:30PM May 05, 2021Observed: 6.82 ft at 12:45PM May 05, 2021Observed: 6.82 ft at 1:00PM May 05, 2021Observed: 6.82 ft at 1:15PM May 05, 2021Observed: 6.81 ft at 1:30PM May 05, 2021Observed: 6.81 ft at 1:45PM May 05, 2021Observed: 6.81 ft at 2:00PM May 05, 2021Observed: 6.81 ft at 2:15PM May 05, 2021Observed: 6.81 ft at 2:30PM May 05, 2021Observed: 6.81 ft at 2:45PM May 05, 2021Observed: 6.81 ft at 3:00PM May 05, 2021Observed: 6.81 ft at 3:15PM May 05, 2021Observed: 6.81 ft at 3:30PM May 05, 2021Observed: 6.81 ft at 3:45PM May 05, 2021Observed: 6.79 ft at 4:00PM May 05, 2021Observed: 6.82 ft at 4:15PM May 05, 2021Observed: 6.81 ft at 4:30PM May 05, 2021Observed: 6.82 ft at 4:45PM May 05, 2021Observed: 6.81 ft at 5:00PM May 05, 2021Observed: 6.81 ft at 5:15PM May 05, 2021Observed: 6.8 ft at 5:30PM May 05, 2021Observed: 6.81 ft at 5:45PM May 05, 2021Observed: 6.81 ft at 6:00PM May 05, 2021Observed: 6.8 ft at 6:15PM May 05, 2021Observed: 6.8 ft at 6:30PM May 05, 2021Observed: 6.8 ft at 6:31PM May 05, 2021Observed: 6.77 ft at 6:45PM May 05, 2021Observed: 6.77 ft at 6:46PM May 05, 2021Observed: 6.76 ft at 7:00PM May 05, 2021Observed: 6.76 ft at 7:01PM May 05, 2021Observed: 6.76 ft at 7:15PM May 05, 2021Observed: 6.76 ft at 7:30PM May 05, 2021Observed: 6.8 ft at 7:45PM May 05, 2021Observed: 6.76 ft at 8:00PM May 05, 2021Observed: 6.79 ft at 8:15PM May 05, 2021Observed: 6.76 ft at 8:30PM May 05, 2021Observed: 6.79 ft at 8:45PM May 05, 2021Observed: 6.79 ft at 9:00PM May 05, 2021Observed: 6.79 ft at 9:15PM May 05, 2021Observed: 6.8 ft at 9:30PM May 05, 2021Observed: 6.79 ft at 9:45PM May 05, 2021Observed: 6.8 ft at 10:00PM May 05, 2021Observed: 6.8 ft at 10:15PM May 05, 2021Observed: 6.8 ft at 10:30PM May 05, 2021Observed: 6.8 ft at 10:45PM May 05, 2021Observed: 6.8 ft at 11:00PM May 05, 2021Observed: 6.8 ft at 11:15PM May 05, 2021Observed: 6.79 ft at 11:30PM May 05, 2021Observed: 6.79 ft at 11:45PM May 05, 2021Observed: 6.79 ft at 12:00AM May 06, 2021Observed: 6.8 ft at 12:15AM May 06, 2021Observed: 6.79 ft at 12:30AM May 06, 2021Observed: 6.79 ft at 12:45AM May 06, 2021Observed: 6.78 ft at 1:00AM May 06, 2021Observed: 6.79 ft at 1:15AM May 06, 2021Observed: 6.79 ft at 1:30AM May 06, 2021Observed: 6.79 ft at 1:45AM May 06, 2021Observed: 6.79 ft at 2:00AM May 06, 2021Observed: 6.78 ft at 2:15AM May 06, 2021Observed: 6.78 ft at 2:30AM May 06, 2021Observed: 6.78 ft at 2:31AM May 06, 2021Observed: 6.79 ft at 2:45AM May 06, 2021Observed: 6.79 ft at 2:46AM May 06, 2021Observed: 6.78 ft at 3:00AM May 06, 2021Observed: 6.78 ft at 3:01AM May 06, 2021Observed: 6.78 ft at 3:15AM May 06, 2021Observed: 6.78 ft at 3:30AM May 06, 2021Observed: 6.77 ft at 3:45AM May 06, 2021Observed: 6.77 ft at 4:00AM May 06, 2021Observed: 6.77 ft at 4:15AM May 06, 2021Observed: 6.77 ft at 4:30AM May 06, 2021Observed: 6.77 ft at 4:45AM May 06, 2021Observed: 6.77 ft at 5:00AM May 06, 2021Observed: 6.76 ft at 5:15AM May 06, 2021Observed: 6.77 ft at 5:30AM May 06, 2021Observed: 6.76 ft at 5:45AM May 06, 2021Observed: 6.76 ft at 6:00AM May 06, 2021Observed: 6.76 ft at 6:15AM May 06, 2021Observed: 6.76 ft at 6:30AM May 06, 2021Observed: 6.76 ft at 6:45AM May 06, 2021Observed: 6.76 ft at 7:00AM May 06, 2021Observed: 6.76 ft at 7:15AM May 06, 2021Observed: 6.76 ft at 7:30AM May 06, 2021Observed: 6.75 ft at 7:45AM May 06, 2021Observed: 6.76 ft at 8:00AM May 06, 2021Observed: 6.76 ft at 8:15AM May 06, 2021Observed: 6.75 ft at 8:30AM May 06, 2021Observed: 6.75 ft at 8:45AM May 06, 2021Observed: 6.75 ft at 9:00AM May 06, 2021Observed: 6.75 ft at 9:15AM May 06, 2021Observed: 6.74 ft at 9:30AM May 06, 2021Observed: 6.74 ft at 9:45AM May 06, 2021Observed: 6.74 ft at 10:00AM May 06, 2021Observed: 6.74 ft at 10:15AM May 06, 2021Observed: 6.73 ft at 10:30AM May 06, 2021Observed: 6.73 ft at 10:31AM May 06, 2021Observed: 6.73 ft at 10:45AM May 06, 2021Observed: 6.73 ft at 10:46AM May 06, 2021Observed: 6.73 ft at 11:00AM May 06, 2021Observed: 6.73 ft at 11:01AM May 06, 2021Observed: 6.73 ft at 11:15AM May 06, 2021Observed: 6.73 ft at 11:30AM May 06, 2021Observed: 6.71 ft at 11:45AM May 06, 2021Observed: 6.71 ft at 12:00PM May 06, 2021Observed: 6.72 ft at 12:15PM May 06, 2021Observed: 6.73 ft at 12:30PM May 06, 2021Observed: 6.72 ft at 12:45PM May 06, 2021Observed: 6.72 ft at 1:00PM May 06, 2021Observed: 6.73 ft at 1:15PM May 06, 2021Observed: 6.7 ft at 1:30PM May 06, 2021Observed: 6.71 ft at 1:45PM May 06, 2021Observed: 6.73 ft at 2:00PM May 06, 2021Observed: 6.75 ft at 2:15PM May 06, 2021Observed: 6.74 ft at 2:30PM May 06, 2021Observed: 6.76 ft at 2:45PM May 06, 2021Observed: 6.74 ft at 3:00PM May 06, 2021Observed: 6.74 ft at 3:15PM May 06, 2021Observed: 6.75 ft at 3:30PM May 06, 2021Observed: 6.74 ft at 3:45PM May 06, 2021Observed: 6.75 ft at 4:00PM May 06, 2021Observed: 6.74 ft at 4:15PM May 06, 2021Observed: 6.74 ft at 4:30PM May 06, 2021Observed: 6.74 ft at 4:45PM May 06, 2021Observed: 6.73 ft at 5:00PM May 06, 2021Observed: 6.74 ft at 5:15PM May 06, 2021Observed: 6.74 ft at 5:30PM May 06, 2021Observed: 6.74 ft at 5:45PM May 06, 2021Observed: 6.74 ft at 6:00PM May 06, 2021Observed: 6.72 ft at 6:15PM May 06, 2021Observed: 6.74 ft at 6:30PM May 06, 2021Observed: 6.74 ft at 6:31PM May 06, 2021Observed: 6.73 ft at 6:45PM May 06, 2021Observed: 6.73 ft at 6:46PM May 06, 2021Observed: 6.73 ft at 7:00PM May 06, 2021Observed: 6.73 ft at 7:01PM May 06, 2021Observed: 6.73 ft at 7:15PM May 06, 2021Observed: 6.71 ft at 7:30PM May 06, 2021Observed: 6.73 ft at 7:45PM May 06, 2021Observed: 6.72 ft at 8:00PM May 06, 2021Observed: 6.72 ft at 8:15PM May 06, 2021Observed: 6.72 ft at 8:30PM May 06, 2021Observed: 6.71 ft at 8:45PM May 06, 2021Observed: 6.71 ft at 9:00PM May 06, 2021Observed: 6.71 ft at 9:15PM May 06, 2021Observed: 6.71 ft at 9:30PM May 06, 2021Observed: 6.71 ft at 9:45PM May 06, 2021Observed: 6.7 ft at 10:00PM May 06, 2021Observed: 6.7 ft at 10:15PM May 06, 2021Observed: 6.7 ft at 10:30PM May 06, 2021Observed: 6.71 ft at 10:45PM May 06, 2021Observed: 6.7 ft at 11:00PM May 06, 2021Observed: 6.7 ft at 11:15PM May 06, 2021Observed: 6.7 ft at 11:30PM May 06, 2021Observed: 6.71 ft at 11:45PM May 06, 2021Observed: 6.71 ft at 12:00AM May 07, 2021Observed: 6.71 ft at 12:15AM May 07, 2021Observed: 6.71 ft at 12:30AM May 07, 2021Observed: 6.7 ft at 12:45AM May 07, 2021Observed: 6.71 ft at 1:00AM May 07, 2021Observed: 6.71 ft at 1:15AM May 07, 2021Observed: 6.71 ft at 1:30AM May 07, 2021Observed: 6.7 ft at 1:45AM May 07, 2021Observed: 6.7 ft at 2:00AM May 07, 2021Observed: 6.7 ft at 2:15AM May 07, 2021Observed: 6.7 ft at 2:30AM May 07, 2021Observed: 6.7 ft at 2:45AM May 07, 2021Observed: 6.7 ft at 3:00AM May 07, 2021Observed: 6.7 ft at 3:15AM May 07, 2021Observed: 6.7 ft at 3:30AM May 07, 2021Observed: 6.7 ft at 3:45AM May 07, 2021Observed: 6.69 ft at 4:00AM May 07, 2021Observed: 6.69 ft at 4:15AM May 07, 2021Observed: 6.69 ft at 4:30AM May 07, 2021Observed: 6.69 ft at 4:45AM May 07, 2021Observed: 6.7 ft at 5:00AM May 07, 2021Observed: 6.69 ft at 5:15AM May 07, 2021Observed: 6.69 ft at 5:30AM May 07, 2021Observed: 6.69 ft at 5:45AM May 07, 2021Observed: 6.69 ft at 6:00AM May 07, 2021Observed: 6.68 ft at 6:15AM May 07, 2021Observed: 6.68 ft at 6:30AM May 07, 2021Observed: 6.68 ft at 6:45AM May 07, 2021Observed: 6.68 ft at 7:00AM May 07, 2021Observed: 6.67 ft at 7:15AM May 07, 2021Observed: 6.67 ft at 7:30AM May 07, 2021Observed: 6.67 ft at 7:45AM May 07, 2021Observed: 6.66 ft at 8:00AM May 07, 2021Observed: 6.66 ft at 8:15AM May 07, 2021Observed: 6.66 ft at 8:30AM May 07, 2021Observed: 6.66 ft at 8:45AM May 07, 2021Observed: 6.66 ft at 9:00AM May 07, 2021Observed: 6.66 ft at 9:15AM May 07, 2021Observed: 6.66 ft at 9:30AM May 07, 2021Observed: 6.66 ft at 9:45AM May 07, 2021Observed: 6.65 ft at 10:00AM May 07, 2021Observed: 6.65 ft at 10:15AM May 07, 2021Observed: 6.66 ft at 10:30AM May 07, 2021Observed: 6.66 ft at 10:45AM May 07, 2021Observed: 6.66 ft at 10:46AM May 07, 2021Observed: 6.65 ft at 11:00AM May 07, 2021Observed: 6.65 ft at 11:01AM May 07, 2021Observed: 6.67 ft at 11:15AM May 07, 2021Observed: 6.67 ft at 11:16AM May 07, 2021Observed: 6.66 ft at 11:30AM May 07, 2021Observed: 6.66 ft at 11:45AM May 07, 2021Observed: 6.64 ft at 12:00PM May 07, 2021Observed: 6.66 ft at 12:15PM May 07, 2021Observed: 6.66 ft at 12:30PM May 07, 2021Observed: 6.66 ft at 12:45PM May 07, 2021Observed: 6.67 ft at 1:00PM May 07, 2021Observed: 6.68 ft at 1:15PM May 07, 2021Observed: 6.68 ft at 1:30PM May 07, 2021Observed: 6.68 ft at 1:45PM May 07, 2021Observed: 6.69 ft at 2:00PM May 07, 2021Observed: 6.69 ft at 2:15PM May 07, 2021Observed: 6.68 ft at 2:30PM May 07, 2021Observed: 6.69 ft at 2:45PM May 07, 2021Observed: 6.69 ft at 3:00PM May 07, 2021Observed: 6.69 ft at 3:15PM May 07, 2021Observed: 6.69 ft at 3:30PM May 07, 2021Observed: 6.7 ft at 3:45PM May 07, 2021Observed: 6.7 ft at 4:00PM May 07, 2021Observed: 6.69 ft at 4:15PM May 07, 2021Observed: 6.7 ft at 4:30PM May 07, 2021Observed: 6.7 ft at 4:45PM May 07, 2021Observed: 6.7 ft at 5:00PM May 07, 2021Observed: 6.7 ft at 5:15PM May 07, 2021Observed: 6.7 ft at 5:30PM May 07, 2021Observed: 6.7 ft at 5:45PM May 07, 2021Observed: 6.7 ft at 6:00PM May 07, 2021Observed: 6.71 ft at 6:15PM May 07, 2021Observed: 6.71 ft at 6:30PM May 07, 2021Observed: 6.7 ft at 6:45PM May 07, 2021Observed: 6.7 ft at 7:00PM May 07, 2021Observed: 6.67 ft at 7:15PM May 07, 2021Observed: 6.7 ft at 7:30PM May 07, 2021Observed: 6.69 ft at 7:45PM May 07, 2021Observed: 6.69 ft at 8:00PM May 07, 2021Observed: 6.69 ft at 8:15PM May 07, 2021Observed: 6.68 ft at 8:30PM May 07, 2021Observed: 6.67 ft at 8:45PM May 07, 2021Observed: 6.65 ft at 9:00PM May 07, 2021Observed: 6.65 ft at 9:15PM May 07, 2021Observed: 6.65 ft at 9:30PM May 07, 2021Observed: 6.65 ft at 9:45PM May 07, 2021Observed: 6.65 ft at 10:00PM May 07, 2021Observed: 6.65 ft at 10:15PM May 07, 2021Observed: 6.65 ft at 10:30PM May 07, 2021Observed: 6.64 ft at 10:45PM May 07, 2021Observed: 6.65 ft at 11:00PM May 07, 2021Observed: 6.65 ft at 11:15PM May 07, 2021Observed: 6.65 ft at 11:30PM May 07, 2021Observed: 6.65 ft at 11:45PM May 07, 2021Observed: 6.65 ft at 12:00AM May 08, 2021Observed: 6.65 ft at 12:15AM May 08, 2021Observed: 6.65 ft at 12:30AM May 08, 2021Observed: 6.65 ft at 12:45AM May 08, 2021Observed: 6.65 ft at 1:00AM May 08, 2021Observed: 6.65 ft at 1:15AM May 08, 2021Observed: 6.64 ft at 1:30AM May 08, 2021Observed: 6.64 ft at 1:45AM May 08, 2021Observed: 6.64 ft at 2:00AM May 08, 2021Observed: 6.64 ft at 2:15AM May 08, 2021Observed: 6.64 ft at 2:30AM May 08, 2021Observed: 6.64 ft at 2:45AM May 08, 2021Observed: 6.64 ft at 3:00AM May 08, 2021Observed: 6.63 ft at 3:15AM May 08, 2021Observed: 6.63 ft at 3:30AM May 08, 2021Observed: 6.63 ft at 3:45AM May 08, 2021Observed: 6.63 ft at 4:00AM May 08, 2021Observed: 6.63 ft at 4:15AM May 08, 2021Observed: 6.63 ft at 4:30AM May 08, 2021Observed: 6.63 ft at 4:45AM May 08, 2021Observed: 6.63 ft at 5:00AM May 08, 2021Observed: 6.64 ft at 5:15AM May 08, 2021Observed: 6.63 ft at 5:30AM May 08, 2021Observed: 6.63 ft at 5:45AM May 08, 2021Observed: 6.63 ft at 6:00AM May 08, 2021Observed: 6.63 ft at 6:15AM May 08, 2021Observed: 6.63 ft at 6:30AM May 08, 2021Observed: 6.63 ft at 6:45AM May 08, 2021Observed: 6.63 ft at 7:00AM May 08, 2021Observed: 6.63 ft at 7:15AM May 08, 2021Observed: 6.63 ft at 7:30AM May 08, 2021Observed: 6.63 ft at 7:45AM May 08, 2021Observed: 6.62 ft at 8:00AM May 08, 2021Observed: 6.62 ft at 8:15AM May 08, 2021Observed: 6.61 ft at 8:30AM May 08, 2021Observed: 6.62 ft at 8:45AM May 08, 2021Observed: 6.61 ft at 9:00AM May 08, 2021Observed: 6.61 ft at 9:15AM May 08, 2021Observed: 6.61 ft at 9:30AM May 08, 2021Observed: 6.61 ft at 9:45AM May 08, 2021Observed: 6.62 ft at 10:00AM May 08, 2021Observed: 6.61 ft at 10:15AM May 08, 2021Observed: 6.62 ft at 10:30AM May 08, 2021Observed: 6.62 ft at 10:45AM May 08, 2021Observed: 6.62 ft at 10:46AM May 08, 2021Observed: 6.61 ft at 11:00AM May 08, 2021Observed: 6.61 ft at 11:01AM May 08, 2021Observed: 6.62 ft at 11:15AM May 08, 2021Observed: 6.62 ft at 11:16AM May 08, 2021Observed: 6.62 ft at 11:30AM May 08, 2021Observed: 6.61 ft at 11:45AM May 08, 2021Observed: 6.62 ft at 12:00PM May 08, 2021Observed: 6.62 ft at 12:15PM May 08, 2021Observed: 6.61 ft at 12:30PM May 08, 2021Observed: 6.61 ft at 12:45PM May 08, 2021Observed: 6.62 ft at 1:00PM May 08, 2021Observed: 6.61 ft at 1:15PM May 08, 2021Observed: 6.62 ft at 1:30PM May 08, 2021Observed: 6.6 ft at 1:45PM May 08, 2021Observed: 6.59 ft at 2:00PM May 08, 2021Observed: 6.61 ft at 2:15PM May 08, 2021Observed: 6.62 ft at 2:30PM May 08, 2021Observed: 6.62 ft at 2:45PM May 08, 2021Observed: 6.63 ft at 3:00PM May 08, 2021Observed: 6.63 ft at 3:15PM May 08, 2021Observed: 6.63 ft at 3:30PM May 08, 2021Observed: 6.63 ft at 3:45PM May 08, 2021Observed: 6.63 ft at 4:00PM May 08, 2021Observed: 6.63 ft at 4:15PM May 08, 2021Observed: 6.63 ft at 4:30PM May 08, 2021Observed: 6.6 ft at 4:45PM May 08, 2021Observed: 6.63 ft at 5:00PM May 08, 2021Observed: 6.63 ft at 5:15PM May 08, 2021Observed: 6.62 ft at 5:30PM May 08, 2021Observed: 6.63 ft at 5:45PM May 08, 2021Observed: 6.63 ft at 6:00PM May 08, 2021Observed: 6.62 ft at 6:15PM May 08, 2021Observed: 6.63 ft at 6:30PM May 08, 2021Observed: 6.63 ft at 6:45PM May 08, 2021Observed: 6.63 ft at 6:46PM May 08, 2021Observed: 6.65 ft at 7:00PM May 08, 2021Observed: 6.65 ft at 7:01PM May 08, 2021Observed: 6.65 ft at 7:15PM May 08, 2021Observed: 6.65 ft at 7:16PM May 08, 2021Observed: 6.64 ft at 7:30PM May 08, 2021Observed: 6.67 ft at 7:45PM May 08, 2021Observed: 6.67 ft at 8:00PM May 08, 2021Observed: 6.67 ft at 8:15PM May 08, 2021Observed: 6.67 ft at 8:30PM May 08, 2021Observed: 6.67 ft at 8:45PM May 08, 2021Observed: 6.68 ft at 9:00PM May 08, 2021Observed: 6.67 ft at 9:15PM May 08, 2021Observed: 6.67 ft at 9:30PM May 08, 2021Observed: 6.67 ft at 9:45PM May 08, 2021Observed: 6.67 ft at 10:00PM May 08, 2021Observed: 6.66 ft at 10:15PM May 08, 2021Observed: 6.66 ft at 10:30PM May 08, 2021Observed: 6.66 ft at 10:45PM May 08, 2021Observed: 6.68 ft at 11:00PM May 08, 2021Observed: 6.67 ft at 11:15PM May 08, 2021Observed: 6.68 ft at 11:30PM May 08, 2021Observed: 6.68 ft at 11:45PM May 08, 2021Observed: 6.69 ft at 12:00AM May 09, 2021Observed: 6.69 ft at 12:15AM May 09, 2021Observed: 6.69 ft at 12:30AM May 09, 2021Observed: 6.69 ft at 12:45AM May 09, 2021Observed: 6.69 ft at 1:00AM May 09, 2021Observed: 6.68 ft at 1:15AM May 09, 2021Observed: 6.69 ft at 1:30AM May 09, 2021Observed: 6.69 ft at 1:45AM May 09, 2021Observed: 6.69 ft at 2:00AM May 09, 2021Observed: 6.69 ft at 2:15AM May 09, 2021Observed: 6.69 ft at 2:30AM May 09, 2021Observed: 6.7 ft at 2:45AM May 09, 2021Observed: 6.7 ft at 2:46AM May 09, 2021Observed: 6.7 ft at 3:00AM May 09, 2021Observed: 6.7 ft at 3:01AM May 09, 2021Observed: 6.7 ft at 3:15AM May 09, 2021Observed: 6.7 ft at 3:16AM May 09, 2021Observed: 6.7 ft at 3:30AM May 09, 2021Observed: 6.7 ft at 3:45AM May 09, 2021Observed: 6.69 ft at 4:00AM May 09, 2021Observed: 6.7 ft at 4:15AM May 09, 2021Observed: 6.7 ft at 4:30AM May 09, 2021Observed: 6.7 ft at 4:45AM May 09, 2021Observed: 6.69 ft at 5:00AM May 09, 2021Observed: 6.69 ft at 5:15AM May 09, 2021Observed: 6.69 ft at 5:30AM May 09, 2021Observed: 6.68 ft at 5:45AM May 09, 2021Observed: 6.69 ft at 6:00AM May 09, 2021Observed: 6.69 ft at 6:15AM May 09, 2021Observed: 6.69 ft at 6:30AM May 09, 2021Observed: 6.68 ft at 6:45AM May 09, 2021Observed: 6.69 ft at 7:00AM May 09, 2021Observed: 6.69 ft at 7:15AM May 09, 2021Observed: 6.68 ft at 7:30AM May 09, 2021Observed: 6.68 ft at 7:45AM May 09, 2021Observed: 6.68 ft at 8:00AM May 09, 2021Observed: 6.68 ft at 8:15AM May 09, 2021Observed: 6.69 ft at 8:30AM May 09, 2021Observed: 6.69 ft at 8:45AM May 09, 2021Observed: 6.68 ft at 9:00AM May 09, 2021Observed: 6.66 ft at 9:15AM May 09, 2021Observed: 6.69 ft at 9:30AM May 09, 2021Observed: 6.69 ft at 9:45AM May 09, 2021Observed: 6.69 ft at 10:00AM May 09, 2021Observed: 6.69 ft at 10:15AM May 09, 2021Observed: 6.69 ft at 10:30AM May 09, 2021Observed: 6.7 ft at 10:45AM May 09, 2021Observed: 6.7 ft at 10:46AM May 09, 2021Observed: 6.69 ft at 11:00AM May 09, 2021Observed: 6.69 ft at 11:01AM May 09, 2021Observed: 6.69 ft at 11:15AM May 09, 2021Observed: 6.69 ft at 11:16AM May 09, 2021Observed: 6.69 ft at 11:30AM May 09, 2021Observed: 6.68 ft at 11:45AM May 09, 2021Observed: 6.68 ft at 12:00PM May 09, 2021Observed: 6.68 ft at 12:15PM May 09, 2021Observed: 6.68 ft at 12:30PM May 09, 2021Observed: 6.68 ft at 12:45PM May 09, 2021Observed: 6.68 ft at 1:00PM May 09, 2021Observed: 6.68 ft at 1:15PM May 09, 2021Observed: 6.68 ft at 1:30PM May 09, 2021Observed: 6.68 ft at 1:45PM May 09, 2021Observed: 6.68 ft at 2:00PM May 09, 2021Observed: 6.68 ft at 2:15PM May 09, 2021Observed: 6.67 ft at 2:30PM May 09, 2021Observed: 6.68 ft at 2:45PM May 09, 2021Observed: 6.67 ft at 3:00PM May 09, 2021Observed: 6.68 ft at 3:15PM May 09, 2021Observed: 6.68 ft at 3:30PM May 09, 2021Observed: 6.69 ft at 3:45PM May 09, 2021Observed: 6.68 ft at 4:00PM May 09, 2021Observed: 6.68 ft at 4:15PM May 09, 2021Observed: 6.68 ft at 4:30PM May 09, 2021Observed: 6.67 ft at 4:45PM May 09, 2021Observed: 6.67 ft at 5:00PM May 09, 2021Observed: 6.67 ft at 5:15PM May 09, 2021Observed: 6.66 ft at 5:30PM May 09, 2021Observed: 6.66 ft at 5:45PM May 09, 2021Observed: 6.67 ft at 6:00PM May 09, 2021Observed: 6.66 ft at 6:15PM May 09, 2021Observed: 6.66 ft at 6:30PM May 09, 2021Observed: 6.66 ft at 6:45PM May 09, 2021Observed: 6.66 ft at 7:00PM May 09, 2021Observed: 6.66 ft at 7:15PM May 09, 2021Observed: 6.67 ft at 7:30PM May 09, 2021Observed: 6.66 ft at 7:45PM May 09, 2021Observed: 6.66 ft at 8:00PM May 09, 2021Observed: 6.66 ft at 8:15PM May 09, 2021Observed: 6.66 ft at 8:30PM May 09, 2021Observed: 6.66 ft at 8:45PM May 09, 2021Observed: 6.67 ft at 9:00PM May 09, 2021Observed: 6.67 ft at 9:15PM May 09, 2021Observed: 6.67 ft at 9:30PM May 09, 2021Observed: 6.67 ft at 9:45PM May 09, 2021Observed: 6.67 ft at 10:00PM May 09, 2021Observed: 6.67 ft at 10:15PM May 09, 2021Observed: 6.67 ft at 10:30PM May 09, 2021Observed: 6.67 ft at 10:45PM May 09, 2021Observed: 6.67 ft at 11:00PM May 09, 2021Observed: 6.66 ft at 11:15PM May 09, 2021Observed: 6.66 ft at 11:30PM May 09, 2021Observed: 6.66 ft at 11:45PM May 09, 2021Observed: 6.66 ft at 12:00AM May 10, 2021Observed: 6.66 ft at 12:15AM May 10, 2021Observed: 6.66 ft at 12:30AM May 10, 2021Observed: 6.66 ft at 12:45AM May 10, 2021Observed: 6.66 ft at 1:00AM May 10, 2021Observed: 6.66 ft at 1:15AM May 10, 2021Observed: 6.66 ft at 1:30AM May 10, 2021Observed: 6.67 ft at 1:45AM May 10, 2021Observed: 6.67 ft at 2:00AM May 10, 2021Observed: 6.67 ft at 2:15AM May 10, 2021Observed: 6.67 ft at 2:30AM May 10, 2021Observed: 6.67 ft at 2:45AM May 10, 2021Observed: 6.67 ft at 2:46AM May 10, 2021Observed: 6.66 ft at 3:00AM May 10, 2021Observed: 6.66 ft at 3:01AM May 10, 2021Observed: 6.66 ft at 3:15AM May 10, 2021Observed: 6.66 ft at 3:16AM May 10, 2021Observed: 6.67 ft at 3:30AM May 10, 2021Observed: 6.66 ft at 3:45AM May 10, 2021Observed: 6.66 ft at 4:00AM May 10, 2021Observed: 6.66 ft at 4:15AM May 10, 2021Observed: 6.66 ft at 4:30AM May 10, 2021Observed: 6.67 ft at 4:45AM May 10, 2021Observed: 6.66 ft at 5:00AM May 10, 2021Observed: 6.66 ft at 5:15AM May 10, 2021Observed: 6.67 ft at 5:30AM May 10, 2021Observed: 6.67 ft at 5:45AM May 10, 2021Observed: 6.68 ft at 6:00AM May 10, 2021Observed: 6.68 ft at 6:15AM May 10, 2021Observed: 6.68 ft at 6:30AM May 10, 2021Observed: 6.68 ft at 6:45AM May 10, 2021Observed: 6.68 ft at 7:00AM May 10, 2021Observed: 6.68 ft at 7:15AM May 10, 2021Observed: 6.68 ft at 7:30AM May 10, 2021Observed: 6.68 ft at 7:45AM May 10, 2021Observed: 6.68 ft at 8:00AM May 10, 2021Observed: 6.69 ft at 8:15AM May 10, 2021Observed: 6.68 ft at 8:30AM May 10, 2021Observed: 6.68 ft at 8:45AM May 10, 2021Observed: 6.68 ft at 9:00AM May 10, 2021Observed: 6.68 ft at 9:15AM May 10, 2021Observed: 6.68 ft at 9:30AM May 10, 2021Observed: 6.67 ft at 9:45AM May 10, 2021Observed: 6.68 ft at 10:00AM May 10, 2021Observed: 6.67 ft at 10:15AM May 10, 2021Observed: 6.67 ft at 10:30AM May 10, 2021Observed: 6.68 ft at 10:45AM May 10, 2021Observed: 6.66 ft at 11:00AM May 10, 2021Observed: 6.66 ft at 11:01AM May 10, 2021Observed: 6.68 ft at 11:15AM May 10, 2021Observed: 6.68 ft at 11:16AM May 10, 2021Observed: 6.69 ft at 11:30AM May 10, 2021Observed: 6.69 ft at 11:31AM May 10, 2021Observed: 6.69 ft at 11:45AM May 10, 2021Observed: 6.69 ft at 12:00PM May 10, 2021Observed: 6.68 ft at 12:15PM May 10, 2021Observed: 6.69 ft at 12:30PM May 10, 2021Observed: 6.7 ft at 12:45PM May 10, 2021Observed: 6.69 ft at 1:00PM May 10, 2021Observed: 6.7 ft at 1:15PM May 10, 2021Observed: 6.7 ft at 1:30PM May 10, 2021Observed: 6.7 ft at 1:45PM May 10, 2021Observed: 6.72 ft at 2:00PM May 10, 2021Observed: 6.72 ft at 2:15PM May 10, 2021Observed: 6.72 ft at 2:30PM May 10, 2021Observed: 6.72 ft at 2:45PM May 10, 2021Observed: 6.72 ft at 3:00PM May 10, 2021Observed: 6.71 ft at 3:15PM May 10, 2021Observed: 6.73 ft at 3:30PM May 10, 2021Observed: 6.73 ft at 3:45PM May 10, 2021Observed: 6.73 ft at 4:00PM May 10, 2021Observed: 6.73 ft at 4:15PM May 10, 2021Observed: 6.73 ft at 4:30PM May 10, 2021Observed: 6.73 ft at 4:45PM May 10, 2021Observed: 6.73 ft at 5:00PM May 10, 2021Observed: 6.73 ft at 5:15PM May 10, 2021Observed: 6.73 ft at 5:30PM May 10, 2021Observed: 6.73 ft at 5:45PM May 10, 2021Observed: 6.73 ft at 6:00PM May 10, 2021Observed: 6.73 ft at 6:15PM May 10, 2021Observed: 6.74 ft at 6:30PM May 10, 2021Observed: 6.74 ft at 6:45PM May 10, 2021Observed: 6.73 ft at 7:00PM May 10, 2021Observed: 6.73 ft at 7:01PM May 10, 2021Observed: 6.73 ft at 7:15PM May 10, 2021Observed: 6.73 ft at 7:16PM May 10, 2021Observed: 6.73 ft at 7:30PM May 10, 2021Observed: 6.73 ft at 7:31PM May 10, 2021Observed: 6.72 ft at 7:45PM May 10, 2021Observed: 6.71 ft at 8:00PM May 10, 2021Observed: 6.71 ft at 8:15PM May 10, 2021Observed: 6.72 ft at 8:30PM May 10, 2021Observed: 6.71 ft at 8:45PM May 10, 2021Observed: 6.72 ft at 9:00PM May 10, 2021Observed: 6.72 ft at 9:15PM May 10, 2021Observed: 6.72 ft at 9:30PM May 10, 2021Observed: 6.72 ft at 9:45PM May 10, 2021Observed: 6.72 ft at 10:00PM May 10, 2021Observed: 6.72 ft at 10:15PM May 10, 2021Observed: 6.72 ft at 10:30PM May 10, 2021Observed: 6.71 ft at 10:45PM May 10, 2021Observed: 6.72 ft at 11:00PM May 10, 2021Observed: 6.72 ft at 11:15PM May 10, 2021Observed: 6.71 ft at 11:30PM May 10, 2021Observed: 6.71 ft at 11:45PM May 10, 2021Observed: 6.71 ft at 12:00AM May 11, 2021Observed: 6.71 ft at 12:15AM May 11, 2021Observed: 6.71 ft at 12:30AM May 11, 2021Observed: 6.71 ft at 12:45AM May 11, 2021Observed: 6.71 ft at 1:00AM May 11, 2021Observed: 6.7 ft at 1:15AM May 11, 2021Observed: 6.7 ft at 1:30AM May 11, 2021Observed: 6.7 ft at 1:45AM May 11, 2021Observed: 6.7 ft at 2:00AM May 11, 2021Observed: 6.7 ft at 2:15AM May 11, 2021Observed: 6.7 ft at 2:30AM May 11, 2021Observed: 6.7 ft at 2:45AM May 11, 2021Observed: 6.7 ft at 3:00AM May 11, 2021Observed: 6.7 ft at 3:01AM May 11, 2021Observed: 6.7 ft at 3:15AM May 11, 2021Observed: 6.7 ft at 3:16AM May 11, 2021Observed: 6.7 ft at 3:30AM May 11, 2021Observed: 6.7 ft at 3:31AM May 11, 2021Observed: 6.7 ft at 3:45AM May 11, 2021Observed: 6.7 ft at 4:00AM May 11, 2021Observed: 6.7 ft at 4:15AM May 11, 2021Observed: 6.7 ft at 4:30AM May 11, 2021Observed: 6.7 ft at 4:45AM May 11, 2021Observed: 6.7 ft at 5:00AM May 11, 2021Observed: 6.7 ft at 5:15AM May 11, 2021Observed: 6.69 ft at 5:30AM May 11, 2021Observed: 6.69 ft at 5:45AM May 11, 2021Observed: 6.69 ft at 6:00AM May 11, 2021Observed: 6.69 ft at 6:15AM May 11, 2021Observed: 6.69 ft at 6:30AM May 11, 2021Observed: 6.69 ft at 6:45AM May 11, 2021Observed: 6.69 ft at 7:00AM May 11, 2021Observed: 6.68 ft at 7:15AM May 11, 2021Observed: 6.68 ft at 7:30AM May 11, 2021Observed: 6.69 ft at 7:45AM May 11, 2021Observed: 6.68 ft at 8:00AM May 11, 2021Observed: 6.68 ft at 8:15AM May 11, 2021Observed: 6.67 ft at 8:30AM May 11, 2021Observed: 6.67 ft at 8:45AM May 11, 2021Observed: 6.67 ft at 9:00AM May 11, 2021Observed: 6.66 ft at 9:15AM May 11, 2021Observed: 6.67 ft at 9:30AM May 11, 2021Observed: 6.67 ft at 9:45AM May 11, 2021Observed: 6.67 ft at 10:00AM May 11, 2021Observed: 6.66 ft at 10:15AM May 11, 2021Observed: 6.67 ft at 10:30AM May 11, 2021Observed: 6.66 ft at 10:45AM May 11, 2021Observed: 6.65 ft at 11:00AM May 11, 2021Observed: 6.65 ft at 11:01AM May 11, 2021Observed: 6.66 ft at 11:15AM May 11, 2021Observed: 6.66 ft at 11:16AM May 11, 2021Observed: 6.66 ft at 11:30AM May 11, 2021Observed: 6.66 ft at 11:31AM May 11, 2021Observed: 6.65 ft at 11:45AM May 11, 2021Observed: 6.65 ft at 12:00PM May 11, 2021Observed: 6.64 ft at 12:15PM May 11, 2021Observed: 6.64 ft at 12:30PM May 11, 2021Observed: 6.65 ft at 12:45PM May 11, 2021Observed: 6.65 ft at 1:00PM May 11, 2021Observed: 6.62 ft at 1:15PM May 11, 2021Observed: 6.65 ft at 1:30PM May 11, 2021Observed: 6.66 ft at 1:45PM May 11, 2021Observed: 6.66 ft at 2:00PM May 11, 2021Observed: 6.65 ft at 2:15PM May 11, 2021Observed: 6.66 ft at 2:30PM May 11, 2021Observed: 6.66 ft at 2:45PM May 11, 2021Observed: 6.66 ft at 3:00PM May 11, 2021Observed: 6.65 ft at 3:15PM May 11, 2021Observed: 6.64 ft at 3:30PM May 11, 2021Observed: 6.66 ft at 3:45PM May 11, 2021Observed: 6.66 ft at 4:00PM May 11, 2021Observed: 6.66 ft at 4:15PM May 11, 2021Observed: 6.66 ft at 4:30PM May 11, 2021Observed: 6.66 ft at 4:45PM May 11, 2021Observed: 6.66 ft at 5:00PM May 11, 2021Observed: 6.65 ft at 6:15PM May 11, 2021Observed: 6.65 ft at 6:30PM May 11, 2021Observed: 6.66 ft at 6:45PM May 11, 2021Observed: 6.65 ft at 7:00PM May 11, 2021Observed: 6.65 ft at 7:01PM May 11, 2021Observed: 6.64 ft at 7:15PM May 11, 2021Observed: 6.64 ft at 7:16PM May 11, 2021Observed: 6.64 ft at 7:30PM May 11, 2021Observed: 6.64 ft at 7:31PM May 11, 2021Observed: 6.64 ft at 7:45PM May 11, 2021Observed: 6.62 ft at 8:00PM May 11, 2021Observed: 6.62 ft at 8:15PM May 11, 2021Observed: 6.61 ft at 8:30PM May 11, 2021Observed: 6.62 ft at 8:45PM May 11, 2021Observed: 6.61 ft at 9:00PM May 11, 2021Observed: 6.61 ft at 9:15PM May 11, 2021Observed: 6.61 ft at 9:30PM May 11, 2021Observed: 6.61 ft at 9:45PM May 11, 2021Observed: 6.6 ft at 10:00PM May 11, 2021Observed: 6.6 ft at 10:15PM May 11, 2021Observed: 6.6 ft at 10:30PM May 11, 2021Observed: 6.6 ft at 10:45PM May 11, 2021Observed: 6.6 ft at 11:00PM May 11, 2021Observed: 6.6 ft at 11:15PM May 11, 2021Observed: 6.59 ft at 11:30PM May 11, 2021Observed: 6.59 ft at 11:45PM May 11, 2021Observed: 6.59 ft at 12:00AM May 12, 2021Observed: 6.58 ft at 12:15AM May 12, 2021Observed: 6.59 ft at 12:30AM May 12, 2021Observed: 6.59 ft at 12:45AM May 12, 2021Observed: 6.59 ft at 1:00AM May 12, 2021Observed: 6.58 ft at 1:15AM May 12, 2021Observed: 6.58 ft at 1:30AM May 12, 2021Observed: 6.58 ft at 1:45AM May 12, 2021Observed: 6.58 ft at 2:00AM May 12, 2021USGS--Water Resources of the United StatesAKRI4(plotting HGIRG) Graph Created (2:34AM May 12, 2021)ObservedLatest observed value: 6.58 ft at 2:00 AM CDT 12-May-2021. Flood Stage is 16 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 at Akron are issued as needed during times of high water, but are not routinely available.

Vertical Datum updated from NGVD29 to NAVD88 by gauge owner.

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Upstream Gauge - above Hawarden Upstream Gauge Downstream Gauge Downstream Gauge - near Richland
Flood Categories (in feet)
Major Flood Stage: 20
Moderate Flood Stage: 18
Flood Stage: 16
Action Stage: 14
Low Stage (in feet): -9999

Historic Crests
(1) 25.59 ft on 06/18/2014
(2) 23.94 ft on 03/16/2019
(3) 23.50 ft on 06/23/2018
(4) 23.38 ft on 04/26/2001
(5) 23.05 ft on 05/10/1993
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 23.94 ft on 03/16/2019
(2) 23.50 ft on 06/23/2018
(3) 16.11 ft on 05/23/2017
(4) 18.20 ft on 05/03/2016
(5) 13.71 ft on 07/09/2015
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.

Zoom Level:14
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Gauge LocationGauge Map Marker
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
23.25 levee gates at Riverside in Sioux City will be closed.
23 the higher levees on the Iowa side of the river are in danger of being overtopped, Highway 50 near Westfield will be flooded, and the bridge east of Jefferson will be overtopped.
22 Highway 48 begins to flood where the railroad tracks cross, and Iowa Highway 3 begins to flood on the east side of the river.
21.5 Highway 48 near the intersection with Iowa Highway 12 north of Akron begins to flood.
20 Highway 48 near Akron is flooded.
19.5 several farm houses are flooded.
17 about 6500 acres of farm land are flooded.
16 several farm levees are overtopped with significant flooding of agricultural lands.
15 some rural roads on the South Dakota side of the river begin to flood.
12 some very minor flooding of the lowest lying areas along the river begins.
Photos
(1) Upstream View
(2) Downstream View
About This Location Collapse

Latitude: 42.837500° N, Longitude: 96.561667° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 16 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 1119.53 1135.53 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
How low could the river get?
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Collaborative Agencies Collapse
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: 30-Oct-2020 4:09 PM
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