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Hydrograph River at a Glance Download
Big Sioux River near Brookings Stage (ft)Flow (cfs)Observed: 6.6 ft at 7:00PM May 12, 2022Observed: 6.55 ft at 7:15PM May 12, 2022Observed: 6.59 ft at 7:30PM May 12, 2022Observed: 6.61 ft at 7:45PM May 12, 2022Observed: 6.61 ft at 8:00PM May 12, 2022Observed: 6.6 ft at 8:15PM May 12, 2022Observed: 6.6 ft at 8:30PM May 12, 2022Observed: 6.63 ft at 8:45PM May 12, 2022Observed: 6.64 ft at 9:00PM May 12, 2022Observed: 6.64 ft at 9:15PM May 12, 2022Observed: 6.64 ft at 9:30PM May 12, 2022Observed: 6.66 ft at 9:45PM May 12, 2022Observed: 6.67 ft at 10:00PM May 12, 2022Observed: 6.68 ft at 10:15PM May 12, 2022Observed: 6.68 ft at 10:16PM May 12, 2022Observed: 6.66 ft at 10:30PM May 12, 2022Observed: 6.66 ft at 10:31PM May 12, 2022Observed: 6.69 ft at 10:45PM May 12, 2022Observed: 6.69 ft at 10:46PM May 12, 2022Observed: 6.69 ft at 11:00PM May 12, 2022Observed: 6.67 ft at 11:15PM May 12, 2022Observed: 6.71 ft at 11:30PM May 12, 2022Observed: 6.71 ft at 11:45PM May 12, 2022Observed: 6.71 ft at 12:00AM May 13, 2022Observed: 6.72 ft at 12:15AM May 13, 2022Observed: 6.71 ft at 12:30AM May 13, 2022Observed: 6.74 ft at 12:45AM May 13, 2022Observed: 6.73 ft at 1:00AM May 13, 2022Observed: 6.73 ft at 1:15AM May 13, 2022Observed: 6.76 ft at 1:30AM May 13, 2022Observed: 6.74 ft at 1:45AM May 13, 2022Observed: 6.76 ft at 2:00AM May 13, 2022Observed: 6.77 ft at 2:15AM May 13, 2022Observed: 6.76 ft at 2:30AM May 13, 2022Observed: 6.78 ft at 2:45AM May 13, 2022Observed: 6.77 ft at 3:00AM May 13, 2022Observed: 6.75 ft at 3:15AM May 13, 2022Observed: 6.78 ft at 3:30AM May 13, 2022Observed: 6.77 ft at 3:45AM May 13, 2022Observed: 6.77 ft at 4:00AM May 13, 2022Observed: 6.76 ft at 4:15AM May 13, 2022Observed: 6.79 ft at 4:30AM May 13, 2022Observed: 6.81 ft at 4:45AM May 13, 2022Observed: 6.78 ft at 5:00AM May 13, 2022Observed: 6.8 ft at 5:15AM May 13, 2022Observed: 6.8 ft at 5:30AM May 13, 2022Observed: 6.78 ft at 5:45AM May 13, 2022Observed: 6.8 ft at 6:00AM May 13, 2022Observed: 6.81 ft at 6:15AM May 13, 2022Observed: 6.8 ft at 6:30AM May 13, 2022Observed: 6.8 ft at 6:31AM May 13, 2022Observed: 6.81 ft at 6:45AM May 13, 2022Observed: 6.81 ft at 6:46AM May 13, 2022Observed: 6.82 ft at 7:00AM May 13, 2022Observed: 6.82 ft at 7:01AM May 13, 2022Observed: 6.83 ft at 7:15AM May 13, 2022Observed: 6.83 ft at 7:30AM May 13, 2022Observed: 6.82 ft at 7:45AM May 13, 2022Observed: 6.86 ft at 8:00AM May 13, 2022Observed: 6.85 ft at 8:15AM May 13, 2022Observed: 6.82 ft at 8:30AM May 13, 2022Observed: 6.83 ft at 8:45AM May 13, 2022Observed: 6.83 ft at 9:00AM May 13, 2022Observed: 6.85 ft at 9:15AM May 13, 2022Observed: 6.85 ft at 9:30AM May 13, 2022Observed: 6.84 ft at 9:45AM May 13, 2022Observed: 6.84 ft at 10:00AM May 13, 2022Observed: 6.84 ft at 10:15AM May 13, 2022Observed: 6.84 ft at 10:30AM May 13, 2022Observed: 6.84 ft at 10:45AM May 13, 2022Observed: 6.84 ft at 11:00AM May 13, 2022Observed: 6.86 ft at 11:15AM May 13, 2022Observed: 6.84 ft at 11:30AM May 13, 2022Observed: 6.84 ft at 11:45AM May 13, 2022Observed: 6.87 ft at 12:00PM May 13, 2022Observed: 6.87 ft at 12:15PM May 13, 2022Observed: 6.88 ft at 12:30PM May 13, 2022Observed: 6.87 ft at 12:45PM May 13, 2022Observed: 6.86 ft at 1:00PM May 13, 2022Observed: 6.89 ft at 1:15PM May 13, 2022Observed: 6.89 ft at 1:30PM May 13, 2022Observed: 6.88 ft at 1:45PM May 13, 2022Observed: 6.89 ft at 2:00PM May 13, 2022Observed: 6.89 ft at 2:15PM May 13, 2022Observed: 6.89 ft at 2:30PM May 13, 2022Observed: 6.89 ft at 2:31PM May 13, 2022Observed: 6.89 ft at 2:45PM May 13, 2022Observed: 6.89 ft at 2:46PM May 13, 2022Observed: 6.91 ft at 3:00PM May 13, 2022Observed: 6.91 ft at 3:01PM May 13, 2022Observed: 6.89 ft at 3:15PM May 13, 2022Observed: 6.9 ft at 3:30PM May 13, 2022Observed: 6.89 ft at 3:45PM May 13, 2022Observed: 6.91 ft at 4:00PM May 13, 2022Observed: 6.92 ft at 4:15PM May 13, 2022Observed: 6.92 ft at 4:30PM May 13, 2022Observed: 6.92 ft at 4:45PM May 13, 2022Observed: 6.94 ft at 5:00PM May 13, 2022Observed: 6.92 ft at 5:15PM May 13, 2022Observed: 6.93 ft at 5:30PM May 13, 2022Observed: 6.95 ft at 5:45PM May 13, 2022Observed: 6.92 ft at 6:00PM May 13, 2022Observed: 6.94 ft at 6:15PM May 13, 2022Observed: 6.98 ft at 6:30PM May 13, 2022Observed: 6.96 ft at 6:45PM May 13, 2022Observed: 6.93 ft at 7:00PM May 13, 2022Observed: 6.94 ft at 7:15PM May 13, 2022Observed: 6.99 ft at 7:30PM May 13, 2022Observed: 6.99 ft at 7:45PM May 13, 2022Observed: 6.95 ft at 8:00PM May 13, 2022Observed: 6.97 ft at 8:15PM May 13, 2022Observed: 6.96 ft at 8:30PM May 13, 2022Observed: 6.97 ft at 8:45PM May 13, 2022Observed: 6.99 ft at 9:00PM May 13, 2022Observed: 6.98 ft at 9:15PM May 13, 2022Observed: 6.99 ft at 9:30PM May 13, 2022Observed: 6.99 ft at 9:45PM May 13, 2022Observed: 7.01 ft at 10:00PM May 13, 2022Observed: 7.01 ft at 10:15PM May 13, 2022Observed: 7.03 ft at 10:30PM May 13, 2022Observed: 7.02 ft at 10:45PM May 13, 2022Observed: 7.03 ft at 11:00PM May 13, 2022Observed: 7.02 ft at 11:15PM May 13, 2022Observed: 7.03 ft at 11:30PM May 13, 2022Observed: 7.05 ft at 11:45PM May 13, 2022Observed: 7.05 ft at 12:00AM May 14, 2022Observed: 7.04 ft at 12:15AM May 14, 2022Observed: 7.08 ft at 12:30AM May 14, 2022Observed: 7.06 ft at 1:00AM May 14, 2022Observed: 7.05 ft at 1:15AM May 14, 2022Observed: 7.07 ft at 1:30AM May 14, 2022Observed: 7.08 ft at 1:45AM May 14, 2022Observed: 7.06 ft at 2:00AM May 14, 2022Observed: 7.08 ft at 2:15AM May 14, 2022Observed: 7.07 ft at 2:45AM May 14, 2022Observed: 7.07 ft at 3:00AM May 14, 2022Observed: 7.06 ft at 3:15AM May 14, 2022Observed: 7.08 ft at 3:30AM May 14, 2022Observed: 7.08 ft at 3:45AM May 14, 2022Observed: 7.09 ft at 4:00AM May 14, 2022Observed: 7.09 ft at 4:15AM May 14, 2022Observed: 7.1 ft at 4:30AM May 14, 2022Observed: 7.07 ft at 4:45AM May 14, 2022Observed: 7.09 ft at 5:00AM May 14, 2022Observed: 7.07 ft at 5:15AM May 14, 2022Observed: 7.05 ft at 5:30AM May 14, 2022Observed: 7.08 ft at 5:45AM May 14, 2022Highest Observation: 7.11 ft at 6:00AM May 14, 2022Observed: 7.1 ft at 6:15AM May 14, 2022Observed: 7.08 ft at 6:30AM May 14, 2022Observed: 7.1 ft at 6:45AM May 14, 2022Observed: 7.1 ft at 7:00AM May 14, 2022Observed: 7.09 ft at 7:15AM May 14, 2022Observed: 7.1 ft at 7:30AM May 14, 2022Observed: 7.09 ft at 7:45AM May 14, 2022Observed: 7.07 ft at 8:00AM May 14, 2022Observed: 7.06 ft at 8:15AM May 14, 2022Observed: 7.09 ft at 8:30AM May 14, 2022Observed: 7.06 ft at 8:45AM May 14, 2022Observed: 7.08 ft at 9:00AM May 14, 2022Observed: 7.07 ft at 9:15AM May 14, 2022Observed: 7.09 ft at 9:30AM May 14, 2022Observed: 7.07 ft at 9:45AM May 14, 2022Observed: 7.05 ft at 10:00AM May 14, 2022Observed: 7.1 ft at 10:15AM May 14, 2022Observed: 7.09 ft at 10:30AM May 14, 2022Observed: 7.08 ft at 10:45AM May 14, 2022Observed: 7.09 ft at 11:00AM May 14, 2022Observed: 7.09 ft at 11:15AM May 14, 2022Observed: 7.1 ft at 11:30AM May 14, 2022Observed: 7.1 ft at 11:45AM May 14, 2022Observed: 7.09 ft at 12:00PM May 14, 2022Observed: 7.08 ft at 12:15PM May 14, 2022Observed: 7.09 ft at 12:30PM May 14, 2022Observed: 7.06 ft at 12:45PM May 14, 2022Observed: 7.07 ft at 1:00PM May 14, 2022Highest Observation: 7.11 ft at 1:15PM May 14, 2022Observed: 7.09 ft at 1:30PM May 14, 2022Observed: 7.06 ft at 1:45PM May 14, 2022Observed: 7.06 ft at 2:00PM May 14, 2022Observed: 7.08 ft at 2:15PM May 14, 2022Observed: 7.05 ft at 2:30PM May 14, 2022Observed: 7.05 ft at 2:31PM May 14, 2022Observed: 7.07 ft at 2:45PM May 14, 2022Observed: 7.07 ft at 2:46PM May 14, 2022Observed: 7.07 ft at 3:00PM May 14, 2022Observed: 7.07 ft at 3:01PM May 14, 2022Observed: 7.08 ft at 3:15PM May 14, 2022Observed: 7.07 ft at 3:30PM May 14, 2022Observed: 7.07 ft at 3:45PM May 14, 2022Observed: 7.07 ft at 4:00PM May 14, 2022Observed: 7.07 ft at 4:15PM May 14, 2022Observed: 7.05 ft at 4:30PM May 14, 2022Observed: 7.06 ft at 4:45PM May 14, 2022Observed: 7.05 ft at 5:00PM May 14, 2022Observed: 7.05 ft at 5:30PM May 14, 2022Observed: 7.06 ft at 5:45PM May 14, 2022Observed: 7.05 ft at 6:00PM May 14, 2022Observed: 7.05 ft at 6:15PM May 14, 2022Observed: 7.04 ft at 6:30PM May 14, 2022Observed: 7.05 ft at 6:45PM May 14, 2022Observed: 7.04 ft at 7:00PM May 14, 2022Observed: 7.06 ft at 7:15PM May 14, 2022Observed: 7.04 ft at 7:30PM May 14, 2022Observed: 7.05 ft at 7:45PM May 14, 2022Observed: 7.06 ft at 8:00PM May 14, 2022Observed: 7.05 ft at 8:15PM May 14, 2022Observed: 7.05 ft at 8:30PM May 14, 2022Observed: 7.04 ft at 8:45PM May 14, 2022Observed: 7.06 ft at 9:00PM May 14, 2022Observed: 7.04 ft at 9:15PM May 14, 2022Observed: 7.04 ft at 9:30PM May 14, 2022Observed: 7.06 ft at 9:45PM May 14, 2022Observed: 7.04 ft at 10:00PM May 14, 2022Observed: 7.05 ft at 10:15PM May 14, 2022Observed: 7.03 ft at 10:30PM May 14, 2022Observed: 7.06 ft at 10:45PM May 14, 2022Observed: 7.06 ft at 11:00PM May 14, 2022Observed: 7.05 ft at 11:15PM May 14, 2022Observed: 7.04 ft at 11:30PM May 14, 2022Observed: 7.04 ft at 11:45PM May 14, 2022Observed: 7.05 ft at 12:00AM May 15, 2022Observed: 7.04 ft at 12:15AM May 15, 2022Observed: 7.03 ft at 12:30AM May 15, 2022Observed: 7.04 ft at 12:45AM May 15, 2022Observed: 7.03 ft at 1:00AM May 15, 2022Observed: 7.04 ft at 1:15AM May 15, 2022Observed: 7.04 ft at 1:30AM May 15, 2022Observed: 7.01 ft at 1:45AM May 15, 2022Observed: 7.02 ft at 2:00AM May 15, 2022Observed: 7.04 ft at 2:15AM May 15, 2022Observed: 7.04 ft at 2:30AM May 15, 2022Observed: 6.99 ft at 2:45AM May 15, 2022Observed: 7.02 ft at 3:00AM May 15, 2022Observed: 7.02 ft at 3:15AM May 15, 2022Observed: 7.02 ft at 3:30AM May 15, 2022Observed: 7.04 ft at 3:45AM May 15, 2022Observed: 7.04 ft at 4:00AM May 15, 2022Observed: 7.02 ft at 4:15AM May 15, 2022Observed: 7.02 ft at 4:30AM May 15, 2022Observed: 7.01 ft at 4:45AM May 15, 2022Observed: 7.02 ft at 5:00AM May 15, 2022Observed: 7.02 ft at 5:15AM May 15, 2022Observed: 7 ft at 5:30AM May 15, 2022Observed: 7.02 ft at 5:45AM May 15, 2022Observed: 7.01 ft at 6:00AM May 15, 2022Observed: 6.99 ft at 6:15AM May 15, 2022Observed: 7 ft at 6:30AM May 15, 2022Observed: 7 ft at 6:31AM May 15, 2022Observed: 6.96 ft at 6:45AM May 15, 2022Observed: 6.96 ft at 6:46AM May 15, 2022Observed: 6.99 ft at 7:00AM May 15, 2022Observed: 6.99 ft at 7:01AM May 15, 2022Observed: 7.01 ft at 7:15AM May 15, 2022Observed: 6.98 ft at 7:30AM May 15, 2022Observed: 7.01 ft at 7:45AM May 15, 2022Observed: 6.96 ft at 8:00AM May 15, 2022Observed: 7 ft at 8:15AM May 15, 2022Observed: 6.99 ft at 8:30AM May 15, 2022Observed: 6.97 ft at 8:45AM May 15, 2022Observed: 6.97 ft at 9:00AM May 15, 2022Observed: 7.01 ft at 9:15AM May 15, 2022Observed: 6.98 ft at 9:30AM May 15, 2022Observed: 6.95 ft at 9:45AM May 15, 2022Observed: 6.96 ft at 10:00AM May 15, 2022Observed: 6.97 ft at 10:15AM May 15, 2022Observed: 6.96 ft at 10:30AM May 15, 2022Observed: 6.97 ft at 10:45AM May 15, 2022Observed: 6.95 ft at 11:00AM May 15, 2022Observed: 6.93 ft at 11:15AM May 15, 2022Observed: 6.96 ft at 11:30AM May 15, 2022Observed: 6.94 ft at 11:45AM May 15, 2022Observed: 6.95 ft at 12:00PM May 15, 2022Observed: 6.95 ft at 12:15PM May 15, 2022Observed: 6.93 ft at 12:30PM May 15, 2022Observed: 6.93 ft at 12:45PM May 15, 2022Observed: 6.92 ft at 1:00PM May 15, 2022Observed: 6.94 ft at 1:15PM May 15, 2022Observed: 6.92 ft at 1:30PM May 15, 2022Observed: 6.91 ft at 1:45PM May 15, 2022Observed: 6.94 ft at 2:00PM May 15, 2022Observed: 6.88 ft at 2:15PM May 15, 2022Observed: 6.92 ft at 2:30PM May 15, 2022Observed: 6.92 ft at 2:31PM May 15, 2022Observed: 6.93 ft at 2:45PM May 15, 2022Observed: 6.93 ft at 2:46PM May 15, 2022Observed: 6.9 ft at 3:00PM May 15, 2022Observed: 6.9 ft at 3:01PM May 15, 2022Observed: 6.92 ft at 3:15PM May 15, 2022Observed: 6.91 ft at 3:30PM May 15, 2022Observed: 6.9 ft at 3:45PM May 15, 2022Observed: 6.94 ft at 4:00PM May 15, 2022Observed: 6.93 ft at 4:15PM May 15, 2022Observed: 6.92 ft at 4:30PM May 15, 2022Observed: 6.92 ft at 4:45PM May 15, 2022Observed: 6.92 ft at 5:00PM May 15, 2022Observed: 6.91 ft at 5:15PM May 15, 2022Observed: 6.91 ft at 5:30PM May 15, 2022Observed: 6.92 ft at 5:45PM May 15, 2022Observed: 6.92 ft at 6:00PM May 15, 2022Observed: 6.9 ft at 6:15PM May 15, 2022Observed: 6.92 ft at 6:30PM May 15, 2022Observed: 6.88 ft at 6:45PM May 15, 2022Observed: 6.91 ft at 7:00PM May 15, 2022Observed: 6.9 ft at 7:15PM May 15, 2022Observed: 6.91 ft at 7:30PM May 15, 2022Observed: 6.9 ft at 7:45PM May 15, 2022Observed: 6.91 ft at 8:00PM May 15, 2022Observed: 6.92 ft at 8:15PM May 15, 2022Observed: 6.92 ft at 8:30PM May 15, 2022Observed: 6.89 ft at 8:45PM May 15, 2022Observed: 6.91 ft at 9:00PM May 15, 2022Observed: 6.92 ft at 9:15PM May 15, 2022Observed: 6.91 ft at 9:30PM May 15, 2022Observed: 6.91 ft at 9:45PM May 15, 2022Observed: 6.9 ft at 10:00PM May 15, 2022Observed: 6.91 ft at 10:15PM May 15, 2022Observed: 6.9 ft at 10:30PM May 15, 2022Observed: 6.91 ft at 10:45PM May 15, 2022Observed: 6.89 ft at 11:00PM May 15, 2022Observed: 6.91 ft at 11:15PM May 15, 2022Observed: 6.91 ft at 11:30PM May 15, 2022Observed: 6.91 ft at 11:45PM May 15, 2022Observed: 6.91 ft at 12:00AM May 16, 2022Observed: 6.95 ft at 12:15AM May 16, 2022Observed: 6.91 ft at 12:30AM May 16, 2022Observed: 6.91 ft at 12:45AM May 16, 2022Observed: 6.89 ft at 1:00AM May 16, 2022Observed: 6.92 ft at 1:15AM May 16, 2022Observed: 6.92 ft at 1:30AM May 16, 2022Observed: 6.9 ft at 1:45AM May 16, 2022Observed: 6.89 ft at 2:00AM May 16, 2022Observed: 6.92 ft at 2:15AM May 16, 2022Observed: 6.9 ft at 2:30AM May 16, 2022Observed: 6.9 ft at 2:45AM May 16, 2022Observed: 6.91 ft at 3:00AM May 16, 2022Observed: 6.93 ft at 3:15AM May 16, 2022Observed: 6.9 ft at 3:30AM May 16, 2022Observed: 6.91 ft at 3:45AM May 16, 2022Observed: 6.9 ft at 4:00AM May 16, 2022Observed: 6.9 ft at 4:15AM May 16, 2022Observed: 6.9 ft at 4:30AM May 16, 2022Observed: 6.93 ft at 4:45AM May 16, 2022Observed: 6.91 ft at 5:00AM May 16, 2022Observed: 6.88 ft at 5:15AM May 16, 2022Observed: 6.91 ft at 5:30AM May 16, 2022Observed: 6.93 ft at 5:45AM May 16, 2022Observed: 6.92 ft at 6:00AM May 16, 2022Observed: 6.91 ft at 6:15AM May 16, 2022Observed: 6.9 ft at 6:30AM May 16, 2022Observed: 6.91 ft at 6:45AM May 16, 2022Observed: 6.91 ft at 6:46AM May 16, 2022Observed: 6.9 ft at 7:00AM May 16, 2022Observed: 6.9 ft at 7:01AM May 16, 2022Observed: 6.87 ft at 7:15AM May 16, 2022Observed: 6.87 ft at 7:16AM May 16, 2022Observed: 6.85 ft at 7:30AM May 16, 2022Observed: 6.89 ft at 7:45AM May 16, 2022Observed: 6.89 ft at 8:00AM May 16, 2022Observed: 6.88 ft at 8:15AM May 16, 2022Observed: 6.9 ft at 8:30AM May 16, 2022Observed: 6.89 ft at 8:45AM May 16, 2022Observed: 6.89 ft at 9:00AM May 16, 2022Observed: 6.88 ft at 9:15AM May 16, 2022Observed: 6.87 ft at 9:30AM May 16, 2022Observed: 6.9 ft at 9:45AM May 16, 2022Observed: 6.85 ft at 11:00AM May 16, 2022Observed: 6.88 ft at 11:15AM May 16, 2022Observed: 6.89 ft at 11:30AM May 16, 2022Observed: 6.9 ft at 11:45AM May 16, 2022Observed: 6.9 ft at 12:00PM May 16, 2022Observed: 6.89 ft at 12:15PM May 16, 2022Observed: 6.89 ft at 12:30PM May 16, 2022Observed: 6.9 ft at 12:45PM May 16, 2022Observed: 6.89 ft at 1:00PM May 16, 2022Observed: 6.89 ft at 1:15PM May 16, 2022Observed: 6.89 ft at 1:30PM May 16, 2022Observed: 6.9 ft at 1:45PM May 16, 2022Observed: 6.86 ft at 2:00PM May 16, 2022Observed: 6.89 ft at 2:15PM May 16, 2022Observed: 6.87 ft at 2:30PM May 16, 2022Observed: 6.89 ft at 2:45PM May 16, 2022Observed: 6.9 ft at 3:00PM May 16, 2022Observed: 6.88 ft at 3:15PM May 16, 2022Observed: 6.89 ft at 3:30PM May 16, 2022Observed: 6.9 ft at 3:45PM May 16, 2022Observed: 6.89 ft at 4:00PM May 16, 2022Observed: 6.91 ft at 4:15PM May 16, 2022Observed: 6.88 ft at 4:30PM May 16, 2022Observed: 6.88 ft at 4:45PM May 16, 2022Observed: 6.88 ft at 5:00PM May 16, 2022Observed: 6.88 ft at 5:15PM May 16, 2022Observed: 6.91 ft at 5:30PM May 16, 2022Observed: 6.9 ft at 5:45PM May 16, 2022Observed: 6.87 ft at 6:00PM May 16, 2022Observed: 6.86 ft at 6:15PM May 16, 2022Observed: 6.91 ft at 6:30PM May 16, 2022Observed: 6.89 ft at 6:45PM May 16, 2022Observed: 6.9 ft at 7:00PM May 16, 2022Observed: 6.87 ft at 7:15PM May 16, 2022Observed: 6.91 ft at 7:30PM May 16, 2022Observed: 6.91 ft at 7:45PM May 16, 2022Observed: 6.91 ft at 8:00PM May 16, 2022Observed: 6.89 ft at 8:15PM May 16, 2022Observed: 6.9 ft at 8:30PM May 16, 2022Observed: 6.91 ft at 8:45PM May 16, 2022Observed: 6.89 ft at 9:00PM May 16, 2022Observed: 6.89 ft at 9:15PM May 16, 2022Observed: 6.89 ft at 9:30PM May 16, 2022Observed: 6.86 ft at 9:45PM May 16, 2022Observed: 6.89 ft at 10:00PM May 16, 2022Observed: 6.87 ft at 10:15PM May 16, 2022Observed: 6.89 ft at 10:30PM May 16, 2022Observed: 6.89 ft at 10:45PM May 16, 2022Observed: 6.89 ft at 10:46PM May 16, 2022Observed: 6.9 ft at 11:00PM May 16, 2022Observed: 6.9 ft at 11:01PM May 16, 2022Observed: 6.88 ft at 11:15PM May 16, 2022Observed: 6.88 ft at 11:16PM May 16, 2022Observed: 6.9 ft at 11:30PM May 16, 2022Observed: 6.89 ft at 11:45PM May 16, 2022Observed: 6.89 ft at 12:00AM May 17, 2022Observed: 6.89 ft at 12:15AM May 17, 2022Observed: 6.9 ft at 12:30AM May 17, 2022Observed: 6.89 ft at 12:45AM May 17, 2022Observed: 6.88 ft at 1:00AM May 17, 2022Observed: 6.87 ft at 1:15AM May 17, 2022Observed: 6.88 ft at 1:30AM May 17, 2022Observed: 6.87 ft at 1:45AM May 17, 2022Observed: 6.89 ft at 2:00AM May 17, 2022Observed: 6.87 ft at 2:15AM May 17, 2022Observed: 6.88 ft at 2:30AM May 17, 2022Observed: 6.88 ft at 2:45AM May 17, 2022Observed: 6.88 ft at 3:00AM May 17, 2022Observed: 6.87 ft at 3:15AM May 17, 2022Observed: 6.89 ft at 3:30AM May 17, 2022Observed: 6.85 ft at 3:45AM May 17, 2022Observed: 6.88 ft at 4:00AM May 17, 2022Observed: 6.89 ft at 4:15AM May 17, 2022Observed: 6.88 ft at 4:30AM May 17, 2022Observed: 6.91 ft at 4:45AM May 17, 2022Observed: 6.88 ft at 5:00AM May 17, 2022Observed: 6.88 ft at 5:15AM May 17, 2022Observed: 6.9 ft at 5:30AM May 17, 2022Observed: 6.88 ft at 5:45AM May 17, 2022Observed: 6.89 ft at 6:00AM May 17, 2022Observed: 6.9 ft at 6:15AM May 17, 2022Observed: 6.92 ft at 6:30AM May 17, 2022Observed: 6.9 ft at 6:45AM May 17, 2022Observed: 6.9 ft at 7:00AM May 17, 2022Observed: 6.92 ft at 7:15AM May 17, 2022Observed: 6.92 ft at 7:30AM May 17, 2022Observed: 6.91 ft at 7:45AM May 17, 2022Observed: 6.9 ft at 8:00AM May 17, 2022Observed: 6.93 ft at 8:15AM May 17, 2022Observed: 6.91 ft at 8:30AM May 17, 2022Observed: 6.91 ft at 8:45AM May 17, 2022Observed: 6.91 ft at 9:00AM May 17, 2022Observed: 6.91 ft at 9:15AM May 17, 2022Observed: 6.91 ft at 9:30AM May 17, 2022Observed: 6.9 ft at 9:45AM May 17, 2022Observed: 6.93 ft at 10:00AM May 17, 2022Observed: 6.92 ft at 10:15AM May 17, 2022Observed: 6.91 ft at 10:30AM May 17, 2022Observed: 6.91 ft at 10:45AM May 17, 2022Observed: 6.92 ft at 11:00AM May 17, 2022Observed: 6.91 ft at 11:15AM May 17, 2022Observed: 6.91 ft at 11:30AM May 17, 2022Observed: 6.9 ft at 11:45AM May 17, 2022Observed: 6.93 ft at 12:00PM May 17, 2022Observed: 6.94 ft at 12:15PM May 17, 2022Observed: 6.93 ft at 12:30PM May 17, 2022Observed: 6.94 ft at 12:45PM May 17, 2022Observed: 6.92 ft at 1:00PM May 17, 2022Observed: 6.91 ft at 1:15PM May 17, 2022Observed: 6.93 ft at 1:30PM May 17, 2022Observed: 6.93 ft at 1:45PM May 17, 2022Observed: 6.93 ft at 2:00PM May 17, 2022Observed: 6.93 ft at 2:15PM May 17, 2022Observed: 6.93 ft at 2:30PM May 17, 2022Observed: 6.91 ft at 2:45PM May 17, 2022Observed: 6.91 ft at 2:46PM May 17, 2022Observed: 6.94 ft at 3:00PM May 17, 2022Observed: 6.94 ft at 3:01PM May 17, 2022Observed: 6.94 ft at 3:15PM May 17, 2022Observed: 6.94 ft at 3:16PM May 17, 2022Observed: 6.94 ft at 3:30PM May 17, 2022Observed: 6.96 ft at 3:45PM May 17, 2022Observed: 6.96 ft at 4:00PM May 17, 2022Observed: 6.95 ft at 4:15PM May 17, 2022Observed: 6.97 ft at 4:30PM May 17, 2022Observed: 6.97 ft at 4:45PM May 17, 2022Observed: 6.96 ft at 5:00PM May 17, 2022Observed: 6.98 ft at 5:15PM May 17, 2022Observed: 6.95 ft at 5:30PM May 17, 2022Observed: 6.95 ft at 5:45PM May 17, 2022Observed: 6.94 ft at 6:00PM May 17, 2022Observed: 6.94 ft at 6:15PM May 17, 2022Observed: 6.96 ft at 6:30PM May 17, 2022Observed: 6.96 ft at 6:45PM May 17, 2022Observed: 6.96 ft at 7:00PM May 17, 2022Observed: 6.96 ft at 7:15PM May 17, 2022Observed: 6.94 ft at 7:30PM May 17, 2022Observed: 6.94 ft at 7:45PM May 17, 2022Observed: 6.95 ft at 8:00PM May 17, 2022Observed: 6.96 ft at 8:15PM May 17, 2022Observed: 6.98 ft at 8:30PM May 17, 2022Observed: 6.97 ft at 8:45PM May 17, 2022Observed: 6.97 ft at 9:00PM May 17, 2022Observed: 6.95 ft at 9:15PM May 17, 2022Observed: 6.95 ft at 9:30PM May 17, 2022Observed: 6.95 ft at 9:45PM May 17, 2022Observed: 6.94 ft at 10:00PM May 17, 2022Observed: 6.97 ft at 10:15PM May 17, 2022Observed: 6.95 ft at 10:30PM May 17, 2022Observed: 6.97 ft at 10:45PM May 17, 2022Observed: 6.97 ft at 10:46PM May 17, 2022Observed: 6.96 ft at 11:00PM May 17, 2022Observed: 6.96 ft at 11:01PM May 17, 2022Observed: 6.97 ft at 11:15PM May 17, 2022Observed: 6.97 ft at 11:16PM May 17, 2022Observed: 6.99 ft at 11:30PM May 17, 2022Observed: 6.98 ft at 11:45PM May 17, 2022Observed: 6.99 ft at 12:00AM May 18, 2022Observed: 6.97 ft at 12:15AM May 18, 2022Observed: 6.97 ft at 12:30AM May 18, 2022Observed: 6.98 ft at 12:45AM May 18, 2022Observed: 6.97 ft at 1:00AM May 18, 2022Observed: 6.98 ft at 1:15AM May 18, 2022Observed: 6.97 ft at 1:30AM May 18, 2022Observed: 6.98 ft at 1:45AM May 18, 2022Observed: 6.95 ft at 2:00AM May 18, 2022Observed: 6.97 ft at 2:15AM May 18, 2022Observed: 6.95 ft at 2:30AM May 18, 2022Observed: 6.96 ft at 2:45AM May 18, 2022Observed: 6.97 ft at 3:00AM May 18, 2022Observed: 6.98 ft at 3:15AM May 18, 2022Observed: 6.94 ft at 3:30AM May 18, 2022Observed: 6.98 ft at 3:45AM May 18, 2022Observed: 6.98 ft at 4:00AM May 18, 2022Observed: 6.95 ft at 4:15AM May 18, 2022Observed: 6.98 ft at 4:30AM May 18, 2022Observed: 6.99 ft at 4:45AM May 18, 2022Observed: 6.98 ft at 5:00AM May 18, 2022Observed: 6.99 ft at 5:15AM May 18, 2022Observed: 6.97 ft at 5:30AM May 18, 2022Observed: 6.98 ft at 5:45AM May 18, 2022Observed: 6.97 ft at 6:00AM May 18, 2022Observed: 6.99 ft at 6:15AM May 18, 2022Observed: 6.97 ft at 6:30AM May 18, 2022Observed: 6.98 ft at 6:45AM May 18, 2022Observed: 6.98 ft at 6:46AM May 18, 2022Observed: 7 ft at 7:00AM May 18, 2022Observed: 7 ft at 7:01AM May 18, 2022Observed: 6.99 ft at 7:15AM May 18, 2022Observed: 6.99 ft at 7:16AM May 18, 2022Observed: 6.99 ft at 7:30AM May 18, 2022Observed: 6.98 ft at 7:45AM May 18, 2022Observed: 6.96 ft at 8:00AM May 18, 2022Observed: 6.98 ft at 8:15AM May 18, 2022Observed: 7 ft at 8:30AM May 18, 2022Observed: 6.98 ft at 8:45AM May 18, 2022Observed: 6.98 ft at 9:00AM May 18, 2022Observed: 6.98 ft at 9:15AM May 18, 2022Observed: 6.98 ft at 9:30AM May 18, 2022Observed: 7.01 ft at 9:45AM May 18, 2022Observed: 6.99 ft at 10:00AM May 18, 2022Observed: 6.97 ft at 10:15AM May 18, 2022Observed: 6.97 ft at 10:30AM May 18, 2022Observed: 7 ft at 10:45AM May 18, 2022Observed: 7.01 ft at 11:00AM May 18, 2022Observed: 6.96 ft at 11:15AM May 18, 2022Observed: 6.99 ft at 11:30AM May 18, 2022Observed: 6.95 ft at 11:45AM May 18, 2022Observed: 6.98 ft at 12:00PM May 18, 2022Observed: 6.96 ft at 12:15PM May 18, 2022Observed: 7 ft at 12:30PM May 18, 2022Observed: 6.97 ft at 12:45PM May 18, 2022Observed: 6.98 ft at 1:00PM May 18, 2022Observed: 7.01 ft at 1:15PM May 18, 2022Observed: 6.96 ft at 1:30PM May 18, 2022Observed: 7.01 ft at 1:45PM May 18, 2022Observed: 6.99 ft at 2:00PM May 18, 2022Observed: 6.98 ft at 2:15PM May 18, 2022Observed: 6.97 ft at 2:30PM May 18, 2022Observed: 6.99 ft at 2:45PM May 18, 2022Observed: 6.99 ft at 2:46PM May 18, 2022Observed: 6.98 ft at 3:00PM May 18, 2022Observed: 6.98 ft at 3:01PM May 18, 2022Observed: 6.99 ft at 3:15PM May 18, 2022Observed: 6.99 ft at 3:16PM May 18, 2022Observed: 6.99 ft at 3:30PM May 18, 2022Observed: 6.97 ft at 3:45PM May 18, 2022Observed: 6.97 ft at 4:00PM May 18, 2022Observed: 6.98 ft at 4:15PM May 18, 2022Observed: 6.95 ft at 4:30PM May 18, 2022Observed: 6.98 ft at 4:45PM May 18, 2022Observed: 6.95 ft at 5:00PM May 18, 2022Observed: 6.95 ft at 5:15PM May 18, 2022Observed: 6.97 ft at 5:30PM May 18, 2022Observed: 6.96 ft at 5:45PM May 18, 2022Observed: 6.99 ft at 6:00PM May 18, 2022Observed: 6.95 ft at 6:15PM May 18, 2022Observed: 6.94 ft at 6:30PM May 18, 2022Observed: 6.96 ft at 6:45PM May 18, 2022Observed: 6.99 ft at 7:00PM May 18, 2022Observed: 6.95 ft at 7:15PM May 18, 2022Observed: 6.94 ft at 7:30PM May 18, 2022Observed: 6.95 ft at 7:45PM May 18, 2022Observed: 6.94 ft at 8:00PM May 18, 2022Observed: 6.95 ft at 8:15PM May 18, 2022Observed: 6.94 ft at 8:30PM May 18, 2022Observed: 6.97 ft at 8:45PM May 18, 2022Observed: 6.95 ft at 9:00PM May 18, 2022Observed: 6.96 ft at 9:15PM May 18, 2022Observed: 6.95 ft at 9:30PM May 18, 2022Observed: 6.98 ft at 9:45PM May 18, 2022Observed: 6.94 ft at 10:00PM May 18, 2022Observed: 6.95 ft at 10:15PM May 18, 2022Observed: 6.95 ft at 10:30PM May 18, 2022Observed: 6.93 ft at 10:45PM May 18, 2022Observed: 6.93 ft at 10:46PM May 18, 2022Observed: 6.98 ft at 11:00PM May 18, 2022Observed: 6.98 ft at 11:01PM May 18, 2022Observed: 6.95 ft at 11:15PM May 18, 2022Observed: 6.95 ft at 11:16PM May 18, 2022Observed: 6.95 ft at 11:30PM May 18, 2022Observed: 6.93 ft at 11:45PM May 18, 2022Observed: 6.93 ft at 12:00AM May 19, 2022Observed: 6.93 ft at 12:15AM May 19, 2022Observed: 6.93 ft at 12:30AM May 19, 2022Observed: 6.96 ft at 12:45AM May 19, 2022Observed: 6.97 ft at 1:00AM May 19, 2022Observed: 6.94 ft at 1:15AM May 19, 2022Observed: 6.93 ft at 1:30AM May 19, 2022Observed: 6.92 ft at 1:45AM May 19, 2022Observed: 6.95 ft at 2:00AM May 19, 2022Observed: 6.94 ft at 2:15AM May 19, 2022Observed: 6.93 ft at 2:30AM May 19, 2022Observed: 6.92 ft at 2:45AM May 19, 2022Observed: 6.93 ft at 3:00AM May 19, 2022Observed: 6.94 ft at 3:15AM May 19, 2022Observed: 6.92 ft at 3:30AM May 19, 2022Observed: 6.92 ft at 3:45AM May 19, 2022Observed: 6.91 ft at 4:00AM May 19, 2022Observed: 6.93 ft at 4:15AM May 19, 2022Observed: 6.92 ft at 4:30AM May 19, 2022Observed: 6.93 ft at 4:45AM May 19, 2022Observed: 6.9 ft at 5:00AM May 19, 2022Observed: 6.92 ft at 5:15AM May 19, 2022Observed: 6.92 ft at 5:30AM May 19, 2022Observed: 6.93 ft at 5:45AM May 19, 2022Observed: 6.92 ft at 6:00AM May 19, 2022Observed: 6.89 ft at 6:15AM May 19, 2022Observed: 6.92 ft at 6:30AM May 19, 2022Observed: 6.91 ft at 6:45AM May 19, 2022Observed: 6.91 ft at 6:46AM May 19, 2022Observed: 6.89 ft at 7:00AM May 19, 2022Observed: 6.89 ft at 7:01AM May 19, 2022Observed: 6.9 ft at 7:15AM May 19, 2022Observed: 6.9 ft at 7:16AM May 19, 2022Observed: 6.91 ft at 7:30AM May 19, 2022Observed: 6.89 ft at 7:45AM May 19, 2022Observed: 6.91 ft at 8:00AM May 19, 2022Observed: 6.89 ft at 8:15AM May 19, 2022Observed: 6.89 ft at 8:30AM May 19, 2022Observed: 6.88 ft at 8:45AM May 19, 2022Observed: 6.88 ft at 9:00AM May 19, 2022Observed: 6.87 ft at 9:15AM May 19, 2022Observed: 6.87 ft at 9:30AM May 19, 2022Observed: 6.88 ft at 9:45AM May 19, 2022Observed: 6.86 ft at 10:00AM May 19, 2022Observed: 6.85 ft at 10:15AM May 19, 2022Observed: 6.87 ft at 10:30AM May 19, 2022Observed: 6.87 ft at 10:45AM May 19, 2022Observed: 6.89 ft at 11:00AM May 19, 2022Observed: 6.85 ft at 11:15AM May 19, 2022Observed: 6.86 ft at 11:30AM May 19, 2022Observed: 6.85 ft at 11:45AM May 19, 2022Observed: 6.85 ft at 12:00PM May 19, 2022Observed: 6.85 ft at 12:15PM May 19, 2022Observed: 6.83 ft at 12:30PM May 19, 2022Observed: 6.86 ft at 12:45PM May 19, 2022Observed: 6.86 ft at 1:00PM May 19, 2022Observed: 6.85 ft at 1:15PM May 19, 2022Observed: 6.86 ft at 1:30PM May 19, 2022Observed: 6.83 ft at 1:45PM May 19, 2022Observed: 6.85 ft at 2:00PM May 19, 2022Observed: 6.83 ft at 2:15PM May 19, 2022Observed: 6.82 ft at 2:30PM May 19, 2022Observed: 6.84 ft at 2:45PM May 19, 2022Observed: 6.84 ft at 2:46PM May 19, 2022Observed: 6.82 ft at 3:00PM May 19, 2022Observed: 6.82 ft at 3:01PM May 19, 2022Observed: 6.81 ft at 3:15PM May 19, 2022Observed: 6.81 ft at 3:16PM May 19, 2022Observed: 6.81 ft at 3:30PM May 19, 2022Observed: 6.81 ft at 3:45PM May 19, 2022Observed: 6.79 ft at 4:00PM May 19, 2022Observed: 6.81 ft at 4:15PM May 19, 2022Observed: 6.79 ft at 4:30PM May 19, 2022Observed: 6.78 ft at 4:45PM May 19, 2022Observed: 6.78 ft at 5:00PM May 19, 2022Observed: 6.77 ft at 5:15PM May 19, 2022Observed: 6.76 ft at 5:30PM May 19, 2022Observed: 6.75 ft at 5:45PM May 19, 2022Observed: 6.76 ft at 6:00PM May 19, 2022Observed: 6.75 ft at 6:15PM May 19, 2022Observed: 6.76 ft at 6:30PM May 19, 2022Observed: 6.76 ft at 6:45PM May 19, 2022Observed: 6.7 ft at 7:00PM May 19, 2022Observed: 6.74 ft at 7:15PM May 19, 2022Observed: 6.75 ft at 7:30PM May 19, 2022Observed: 6.74 ft at 7:45PM May 19, 2022Observed: 6.72 ft at 8:00PM May 19, 2022Observed: 6.72 ft at 8:15PM May 19, 2022Observed: 6.71 ft at 8:30PM May 19, 2022Observed: 6.71 ft at 8:45PM May 19, 2022Observed: 6.7 ft at 9:00PM May 19, 2022Observed: 6.69 ft at 9:15PM May 19, 2022Observed: 6.68 ft at 9:30PM May 19, 2022Observed: 6.68 ft at 9:45PM May 19, 2022Observed: 6.68 ft at 10:00PM May 19, 2022Observed: 6.69 ft at 10:15PM May 19, 2022Observed: 6.67 ft at 10:30PM May 19, 2022Observed: 6.68 ft at 10:45PM May 19, 2022Observed: 6.7 ft at 11:00PM May 19, 2022Observed: 6.7 ft at 11:01PM May 19, 2022Observed: 6.66 ft at 11:15PM May 19, 2022Observed: 6.66 ft at 11:16PM May 19, 2022Observed: 6.68 ft at 11:30PM May 19, 2022Observed: 6.68 ft at 11:31PM May 19, 2022Observed: 6.65 ft at 11:45PM May 19, 2022Observed: 6.64 ft at 12:00AM May 20, 2022Observed: 6.68 ft at 12:15AM May 20, 2022Observed: 6.66 ft at 12:30AM May 20, 2022Observed: 6.68 ft at 12:45AM May 20, 2022Observed: 6.65 ft at 1:00AM May 20, 2022Observed: 6.66 ft at 1:15AM May 20, 2022Observed: 6.66 ft at 1:30AM May 20, 2022Observed: 6.64 ft at 1:45AM May 20, 2022Observed: 6.66 ft at 2:00AM May 20, 2022Observed: 6.66 ft at 2:15AM May 20, 2022Observed: 6.66 ft at 2:30AM May 20, 2022Observed: 6.64 ft at 2:45AM May 20, 2022Observed: 6.62 ft at 3:00AM May 20, 2022Observed: 6.63 ft at 3:15AM May 20, 2022Observed: 6.64 ft at 3:30AM May 20, 2022Observed: 6.64 ft at 3:45AM May 20, 2022Observed: 6.59 ft at 4:00AM May 20, 2022Observed: 6.61 ft at 4:15AM May 20, 2022Observed: 6.62 ft at 4:30AM May 20, 2022Observed: 6.61 ft at 4:45AM May 20, 2022Observed: 6.59 ft at 5:00AM May 20, 2022Observed: 6.6 ft at 5:15AM May 20, 2022Observed: 6.63 ft at 5:30AM May 20, 2022Observed: 6.6 ft at 5:45AM May 20, 2022Observed: 6.61 ft at 6:00AM May 20, 2022Observed: 6.6 ft at 6:15AM May 20, 2022Observed: 6.6 ft at 6:30AM May 20, 2022Observed: 6.58 ft at 6:45AM May 20, 2022Observed: 6.59 ft at 7:00AM May 20, 2022Observed: 6.59 ft at 7:15AM May 20, 2022Observed: 6.58 ft at 7:30AM May 20, 2022Observed: 6.58 ft at 7:45AM May 20, 2022Observed: 6.58 ft at 8:00AM May 20, 2022Observed: 6.57 ft at 8:15AM May 20, 2022Observed: 6.57 ft at 8:30AM May 20, 2022Observed: 6.57 ft at 8:45AM May 20, 2022Observed: 6.54 ft at 9:00AM May 20, 2022Observed: 6.57 ft at 9:15AM May 20, 2022Observed: 6.56 ft at 9:30AM May 20, 2022Observed: 6.54 ft at 9:45AM May 20, 2022Observed: 6.54 ft at 10:00AM May 20, 2022Observed: 6.51 ft at 10:15AM May 20, 2022Observed: 6.55 ft at 10:30AM May 20, 2022Observed: 6.54 ft at 10:45AM May 20, 2022Observed: 6.53 ft at 11:00AM May 20, 2022Observed: 6.48 ft at 11:15AM May 20, 2022Observed: 6.51 ft at 11:30AM May 20, 2022Observed: 6.53 ft at 11:45AM May 20, 2022Observed: 6.51 ft at 12:00PM May 20, 2022Observed: 6.5 ft at 12:15PM May 20, 2022Observed: 6.48 ft at 12:30PM May 20, 2022Observed: 6.5 ft at 12:45PM May 20, 2022Observed: 6.49 ft at 1:00PM May 20, 2022Observed: 6.51 ft at 1:15PM May 20, 2022Observed: 6.49 ft at 1:30PM May 20, 2022Observed: 6.48 ft at 1:45PM May 20, 2022Observed: 6.49 ft at 2:00PM May 20, 2022Observed: 6.48 ft at 2:15PM May 20, 2022Observed: 6.5 ft at 2:30PM May 20, 2022Observed: 6.46 ft at 2:45PM May 20, 2022Observed: 6.47 ft at 3:00PM May 20, 2022Observed: 6.45 ft at 3:15PM May 20, 2022Observed: 6.44 ft at 3:30PM May 20, 2022Observed: 6.46 ft at 3:45PM May 20, 2022Observed: 6.45 ft at 4:00PM May 20, 2022Observed: 6.44 ft at 4:15PM May 20, 2022Observed: 6.43 ft at 4:30PM May 20, 2022Observed: 6.45 ft at 4:45PM May 20, 2022Observed: 6.43 ft at 5:00PM May 20, 2022Observed: 6.45 ft at 5:15PM May 20, 2022Observed: 6.45 ft at 5:30PM May 20, 2022Observed: 6.45 ft at 5:45PM May 20, 2022Observed: 6.45 ft at 6:00PM May 20, 2022Observed: 6.42 ft at 6:15PM May 20, 2022Observed: 6.43 ft at 6:30PM May 20, 2022Observed: 6.43 ft at 6:45PM May 20, 2022Observed: 6.42 ft at 7:00PM May 20, 2022Observed: 6.4 ft at 7:15PM May 20, 2022Observed: 6.42 ft at 7:30PM May 20, 2022Observed: 6.41 ft at 7:45PM May 20, 2022Observed: 6.4 ft at 8:00PM May 20, 2022Observed: 6.4 ft at 8:15PM May 20, 2022Observed: 6.4 ft at 8:30PM May 20, 2022Observed: 6.41 ft at 8:45PM May 20, 2022Observed: 6.38 ft at 11:00PM May 20, 2022Observed: 6.37 ft at 11:15PM May 20, 2022Observed: 6.39 ft at 11:30PM May 20, 2022Observed: 6.38 ft at 11:45PM May 20, 2022Observed: 6.38 ft at 12:00AM May 21, 2022Observed: 6.37 ft at 12:15AM May 21, 2022Observed: 6.38 ft at 12:30AM May 21, 2022Observed: 6.37 ft at 12:45AM May 21, 2022Observed: 6.37 ft at 1:00AM May 21, 2022Observed: 6.36 ft at 1:15AM May 21, 2022Observed: 6.36 ft at 1:30AM May 21, 2022Observed: 6.36 ft at 1:45AM May 21, 2022Observed: 6.35 ft at 2:00AM May 21, 2022Observed: 6.33 ft at 2:15AM May 21, 2022Observed: 6.36 ft at 2:30AM May 21, 2022Observed: 6.35 ft at 2:45AM May 21, 2022Observed: 6.34 ft at 3:00AM May 21, 2022Observed: 6.34 ft at 3:15AM May 21, 2022Observed: 6.34 ft at 3:30AM May 21, 2022Observed: 6.34 ft at 3:45AM May 21, 2022Observed: 6.33 ft at 4:00AM May 21, 2022Observed: 6.33 ft at 4:15AM May 21, 2022Observed: 6.33 ft at 4:30AM May 21, 2022Observed: 6.33 ft at 4:45AM May 21, 2022Observed: 6.31 ft at 5:00AM May 21, 2022Observed: 6.32 ft at 5:15AM May 21, 2022Observed: 6.32 ft at 5:30AM May 21, 2022Observed: 6.34 ft at 5:45AM May 21, 2022Observed: 6.32 ft at 6:00AM May 21, 2022Observed: 6.31 ft at 6:15AM May 21, 2022Observed: 6.31 ft at 6:30AM May 21, 2022Observed: 6.31 ft at 6:45AM May 21, 2022Observed: 6.33 ft at 7:00AM May 21, 2022Observed: 6.33 ft at 7:01AM May 21, 2022Observed: 6.3 ft at 7:15AM May 21, 2022Observed: 6.3 ft at 7:16AM May 21, 2022Observed: 6.3 ft at 7:30AM May 21, 2022Observed: 6.3 ft at 7:31AM May 21, 2022Observed: 6.31 ft at 7:45AM May 21, 2022Observed: 6.29 ft at 8:00AM May 21, 2022Observed: 6.29 ft at 8:15AM May 21, 2022Observed: 6.28 ft at 8:30AM May 21, 2022Observed: 6.28 ft at 8:45AM May 21, 2022Observed: 6.29 ft at 9:00AM May 21, 2022Observed: 6.3 ft at 9:15AM May 21, 2022Observed: 6.29 ft at 9:30AM May 21, 2022Observed: 6.26 ft at 9:45AM May 21, 2022Observed: 6.3 ft at 10:00AM May 21, 2022Observed: 6.27 ft at 10:15AM May 21, 2022Observed: 6.28 ft at 10:30AM May 21, 2022Observed: 6.27 ft at 10:45AM May 21, 2022Observed: 6.25 ft at 11:00AM May 21, 2022Observed: 6.27 ft at 11:15AM May 21, 2022Observed: 6.26 ft at 11:30AM May 21, 2022Observed: 6.26 ft at 11:45AM May 21, 2022Observed: 6.29 ft at 12:00PM May 21, 2022Observed: 6.25 ft at 12:15PM May 21, 2022Observed: 6.25 ft at 12:30PM May 21, 2022Observed: 6.26 ft at 12:45PM May 21, 2022Observed: 6.26 ft at 1:00PM May 21, 2022Observed: 6.26 ft at 1:15PM May 21, 2022Observed: 6.26 ft at 1:30PM May 21, 2022Observed: 6.26 ft at 1:45PM May 21, 2022Observed: 6.24 ft at 2:00PM May 21, 2022Observed: 6.24 ft at 2:15PM May 21, 2022Observed: 6.23 ft at 2:30PM May 21, 2022Observed: 6.24 ft at 2:45PM May 21, 2022Observed: 6.23 ft at 3:00PM May 21, 2022Observed: 6.23 ft at 3:01PM May 21, 2022Observed: 6.24 ft at 3:15PM May 21, 2022Observed: 6.24 ft at 3:16PM May 21, 2022Observed: 6.22 ft at 3:30PM May 21, 2022Observed: 6.22 ft at 3:31PM May 21, 2022Observed: 6.23 ft at 3:45PM May 21, 2022Observed: 6.22 ft at 4:00PM May 21, 2022Observed: 6.23 ft at 4:15PM May 21, 2022Observed: 6.21 ft at 4:30PM May 21, 2022Observed: 6.24 ft at 4:45PM May 21, 2022Observed: 6.24 ft at 5:00PM May 21, 2022Observed: 6.22 ft at 5:15PM May 21, 2022Observed: 6.21 ft at 5:30PM May 21, 2022Observed: 6.22 ft at 5:45PM May 21, 2022Observed: 6.2 ft at 6:00PM May 21, 2022Observed: 6.21 ft at 6:15PM May 21, 2022Observed: 6.17 ft at 6:30PM May 21, 2022Observed: 6.22 ft at 6:45PM May 21, 2022Observed: 6.19 ft at 7:00PM May 21, 2022Observed: 6.2 ft at 7:15PM May 21, 2022Observed: 6.19 ft at 7:30PM May 21, 2022Observed: 6.2 ft at 7:45PM May 21, 2022Observed: 6.21 ft at 8:00PM May 21, 2022Observed: 6.19 ft at 8:15PM May 21, 2022Observed: 6.2 ft at 8:30PM May 21, 2022Observed: 6.21 ft at 8:45PM May 21, 2022Observed: 6.2 ft at 9:00PM May 21, 2022Observed: 6.19 ft at 9:15PM May 21, 2022Observed: 6.19 ft at 9:30PM May 21, 2022Observed: 6.19 ft at 9:45PM May 21, 2022Observed: 6.18 ft at 10:00PM May 21, 2022Observed: 6.19 ft at 10:15PM May 21, 2022Observed: 6.18 ft at 10:30PM May 21, 2022Observed: 6.17 ft at 10:45PM May 21, 2022Observed: 6.17 ft at 11:00PM May 21, 2022Observed: 6.17 ft at 11:15PM May 21, 2022Observed: 6.19 ft at 11:30PM May 21, 2022Observed: 6.17 ft at 11:45PM May 21, 2022USGS--Water Resources of the United StatesBRKS2(plotting HGIRG) Graph Created (12:49AM May 22, 2022)ObservedLatest observed value: 6.17 ft at 11:45 PM CDT 21-May-2022. Flood Stage is 9 ft
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Tabular Data (CDT)
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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 near Brookings 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 - near Medary Upstream Gauge Downstream Gauge Downstream Gauge - above Flandreau
Flood Categories (in feet)
Major Flood Stage: 12
Moderate Flood Stage: 10.5
Flood Stage: 9
Action Stage: 8
Low Stage (in feet): -9999

Historic Crests
(1) 14.77 ft on 04/09/1969
(2) 14.34 ft on 09/13/2019
(3) 13.70 ft on 06/22/1984
(4) 13.66 ft on 09/25/2010
(5) 13.50 ft on 07/04/1993
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 11.05 ft on 03/12/2020
(2) 14.34 ft on 09/13/2019
(3) 13.11 ft on 03/22/2019 (P)
(4) 12.30 ft on 04/24/2018
(5) 7.40 ft on 05/25/2017
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:14
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Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
16 the bridges on 473rd Avenue and 475th Avenue are overtopped.
14 the water reaches the bottom of the bridges on 473rd Avenue and 475th Avenue.
13 the bridge 1 mile south of Medary on 471st Avenue is overtopped.
12 475th Avenue and 222nd Street being to flood.
11.7 473rd Avenue at 221st Street begins to flood.
11 some farm outbuildings begin to flood.
10.3 473rd Avenue north of the gauge begins to flood.
10 flooding begins to affect agricultural lands along the right bank of the river.
9 significant amounts of pasture and farm lands begin flooding on the left bank of the river. The road south of the Brookings water treatment plant is flooded, as is 217th Street between 468th and 469th Avenues.
8 there is some minor overflow of the lowest banks along this stretch of the river.
Photos
(1) Upstream View
(2) Downstream View
About This Location Collapse

Latitude: 44.180278° N, Longitude: 96.749167° W, Horizontal Datum: NAD27

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 9 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 1552.78 1561.78 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:
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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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