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Hydrograph River at a Glance Download
Big Sioux River near Castlewood Stage (ft)Flow (cfs)Observed: 7.96 ft at 7:00PM Mar 23, 2020Observed: 7.96 ft at 7:15PM Mar 23, 2020Observed: 7.97 ft at 7:30PM Mar 23, 2020Observed: 7.97 ft at 7:45PM Mar 23, 2020Observed: 7.97 ft at 8:00PM Mar 23, 2020Observed: 7.97 ft at 8:15PM Mar 23, 2020Observed: 7.99 ft at 8:30PM Mar 23, 2020Observed: 7.99 ft at 8:45PM Mar 23, 2020Observed: 7.98 ft at 9:00PM Mar 23, 2020Observed: 8 ft at 9:15PM Mar 23, 2020Observed: 8 ft at 9:30PM Mar 23, 2020Observed: 8.01 ft at 9:45PM Mar 23, 2020Observed: 8.01 ft at 10:00PM Mar 23, 2020Observed: 8.02 ft at 10:15PM Mar 23, 2020Observed: 8.02 ft at 10:30PM Mar 23, 2020Observed: 8.03 ft at 10:45PM Mar 23, 2020Observed: 8.03 ft at 11:00PM Mar 23, 2020Observed: 8.03 ft at 11:15PM Mar 23, 2020Observed: 8.05 ft at 11:30PM Mar 23, 2020Observed: 8.04 ft at 11:45PM Mar 23, 2020Observed: 8.05 ft at 12:00AM Mar 24, 2020Observed: 8.07 ft at 12:15AM Mar 24, 2020Observed: 8.07 ft at 12:30AM Mar 24, 2020Observed: 8.07 ft at 12:31AM Mar 24, 2020Observed: 8.07 ft at 12:45AM Mar 24, 2020Observed: 8.07 ft at 12:46AM Mar 24, 2020Observed: 8.06 ft at 1:00AM Mar 24, 2020Observed: 8.06 ft at 1:01AM Mar 24, 2020Observed: 8.06 ft at 1:15AM Mar 24, 2020Observed: 8.08 ft at 1:30AM Mar 24, 2020Observed: 8.08 ft at 1:45AM Mar 24, 2020Observed: 8.09 ft at 2:00AM Mar 24, 2020Observed: 8.09 ft at 2:15AM Mar 24, 2020Observed: 8.09 ft at 2:30AM Mar 24, 2020Observed: 8.1 ft at 2:45AM Mar 24, 2020Observed: 8.1 ft at 3:00AM Mar 24, 2020Observed: 8.11 ft at 3:15AM Mar 24, 2020Observed: 8.11 ft at 3:30AM Mar 24, 2020Observed: 8.11 ft at 3:45AM Mar 24, 2020Observed: 8.12 ft at 4:00AM Mar 24, 2020Observed: 8.11 ft at 4:15AM Mar 24, 2020Observed: 8.85 ft at 9:15AM Mar 25, 2020Observed: 8.86 ft at 9:30AM Mar 25, 2020Observed: 8.87 ft at 9:45AM Mar 25, 2020Observed: 8.87 ft at 10:00AM Mar 25, 2020Observed: 8.89 ft at 10:15AM Mar 25, 2020Observed: 8.89 ft at 10:30AM Mar 25, 2020Observed: 8.89 ft at 10:45AM Mar 25, 2020Observed: 8.9 ft at 11:00AM Mar 25, 2020Observed: 8.91 ft at 11:15AM Mar 25, 2020Observed: 8.91 ft at 11:30AM Mar 25, 2020Observed: 8.93 ft at 11:45AM Mar 25, 2020Observed: 8.94 ft at 12:00PM Mar 25, 2020Observed: 8.96 ft at 12:15PM Mar 25, 2020Observed: 8.96 ft at 12:30PM Mar 25, 2020Observed: 8.97 ft at 12:45PM Mar 25, 2020Observed: 8.97 ft at 1:00PM Mar 25, 2020Observed: 8.98 ft at 1:15PM Mar 25, 2020Observed: 9 ft at 1:30PM Mar 25, 2020Observed: 8.99 ft at 1:45PM Mar 25, 2020Observed: 9 ft at 2:00PM Mar 25, 2020Observed: 9.01 ft at 2:15PM Mar 25, 2020Observed: 9.01 ft at 2:30PM Mar 25, 2020Observed: 9.02 ft at 2:45PM Mar 25, 2020Observed: 9.03 ft at 3:00PM Mar 25, 2020Observed: 9.04 ft at 3:15PM Mar 25, 2020Observed: 9.05 ft at 3:30PM Mar 25, 2020Observed: 9.04 ft at 3:45PM Mar 25, 2020Observed: 9.06 ft at 4:00PM Mar 25, 2020Observed: 9.06 ft at 4:15PM Mar 25, 2020Observed: 9.07 ft at 4:30PM Mar 25, 2020Observed: 9.07 ft at 4:45PM Mar 25, 2020Observed: 9.08 ft at 5:00PM Mar 25, 2020Observed: 9.09 ft at 5:15PM Mar 25, 2020Observed: 9.09 ft at 5:30PM Mar 25, 2020Observed: 9.1 ft at 5:45PM Mar 25, 2020Observed: 9.11 ft at 6:00PM Mar 25, 2020Observed: 9.1 ft at 6:15PM Mar 25, 2020Observed: 9.12 ft at 6:30PM Mar 25, 2020Observed: 9.12 ft at 6:45PM Mar 25, 2020Observed: 9.12 ft at 7:00PM Mar 25, 2020Observed: 9.13 ft at 7:15PM Mar 25, 2020Observed: 9.14 ft at 7:30PM Mar 25, 2020Observed: 9.15 ft at 7:45PM Mar 25, 2020Observed: 9.15 ft at 8:00PM Mar 25, 2020Observed: 9.15 ft at 8:15PM Mar 25, 2020Observed: 9.16 ft at 8:30PM Mar 25, 2020Observed: 9.17 ft at 8:45PM Mar 25, 2020Observed: 9.16 ft at 9:00PM Mar 25, 2020Observed: 9.18 ft at 9:15PM Mar 25, 2020Observed: 9.18 ft at 9:30PM Mar 25, 2020Observed: 9.18 ft at 9:45PM Mar 25, 2020Observed: 9.18 ft at 10:00PM Mar 25, 2020Observed: 9.2 ft at 10:15PM Mar 25, 2020Observed: 9.2 ft at 10:30PM Mar 25, 2020Observed: 9.2 ft at 10:45PM Mar 25, 2020Observed: 9.2 ft at 11:00PM Mar 25, 2020Observed: 9.21 ft at 11:15PM Mar 25, 2020Observed: 9.21 ft at 11:30PM Mar 25, 2020Observed: 9.22 ft at 11:45PM Mar 25, 2020Observed: 9.23 ft at 12:00AM Mar 26, 2020Observed: 9.23 ft at 12:15AM Mar 26, 2020Observed: 9.24 ft at 12:30AM Mar 26, 2020Observed: 9.24 ft at 12:45AM Mar 26, 2020Observed: 9.24 ft at 1:00AM Mar 26, 2020Observed: 9.25 ft at 1:15AM Mar 26, 2020Observed: 9.25 ft at 1:30AM Mar 26, 2020Observed: 9.26 ft at 1:45AM Mar 26, 2020Observed: 9.26 ft at 2:00AM Mar 26, 2020Observed: 9.26 ft at 2:15AM Mar 26, 2020Observed: 9.26 ft at 2:30AM Mar 26, 2020Observed: 9.26 ft at 2:45AM Mar 26, 2020Observed: 9.27 ft at 3:00AM Mar 26, 2020Observed: 9.27 ft at 3:15AM Mar 26, 2020Observed: 9.27 ft at 3:30AM Mar 26, 2020Observed: 9.27 ft at 3:45AM Mar 26, 2020Observed: 9.27 ft at 4:00AM Mar 26, 2020Observed: 9.27 ft at 4:15AM Mar 26, 2020Observed: 9.28 ft at 4:30AM Mar 26, 2020Observed: 9.27 ft at 4:45AM Mar 26, 2020Observed: 9.28 ft at 5:00AM Mar 26, 2020Observed: 9.28 ft at 5:15AM Mar 26, 2020Observed: 9.27 ft at 5:30AM Mar 26, 2020Observed: 9.28 ft at 5:45AM Mar 26, 2020Observed: 9.28 ft at 6:00AM Mar 26, 2020Observed: 9.27 ft at 6:15AM Mar 26, 2020Observed: 9.27 ft at 6:30AM Mar 26, 2020Observed: 9.27 ft at 6:45AM Mar 26, 2020Observed: 9.27 ft at 7:00AM Mar 26, 2020Observed: 9.26 ft at 7:15AM Mar 26, 2020Observed: 9.26 ft at 7:30AM Mar 26, 2020Observed: 9.26 ft at 7:45AM Mar 26, 2020Observed: 9.26 ft at 8:00AM Mar 26, 2020Observed: 9.26 ft at 8:15AM Mar 26, 2020Observed: 9.25 ft at 8:30AM Mar 26, 2020Observed: 9.25 ft at 8:45AM Mar 26, 2020Observed: 9.25 ft at 9:00AM Mar 26, 2020Observed: 9.25 ft at 9:15AM Mar 26, 2020Observed: 9.24 ft at 9:30AM Mar 26, 2020Observed: 9.24 ft at 9:45AM Mar 26, 2020Observed: 9.23 ft at 10:00AM Mar 26, 2020Observed: 9.24 ft at 10:15AM Mar 26, 2020Observed: 9.23 ft at 10:30AM Mar 26, 2020Observed: 9.23 ft at 10:45AM Mar 26, 2020Observed: 9.24 ft at 11:00AM Mar 26, 2020Observed: 9.23 ft at 11:15AM Mar 26, 2020Observed: 9.22 ft at 11:30AM Mar 26, 2020Observed: 9.22 ft at 11:45AM Mar 26, 2020Observed: 9.22 ft at 12:00PM Mar 26, 2020Observed: 9.21 ft at 12:15PM Mar 26, 2020Observed: 9.21 ft at 12:30PM Mar 26, 2020Observed: 9.21 ft at 12:45PM Mar 26, 2020Observed: 9.21 ft at 1:00PM Mar 26, 2020Observed: 9.21 ft at 1:15PM Mar 26, 2020Observed: 9.2 ft at 1:30PM Mar 26, 2020Observed: 9.2 ft at 1:45PM Mar 26, 2020Observed: 9.2 ft at 2:00PM Mar 26, 2020Observed: 9.2 ft at 2:15PM Mar 26, 2020Observed: 9.2 ft at 2:30PM Mar 26, 2020Observed: 9.2 ft at 2:45PM Mar 26, 2020Observed: 9.19 ft at 4:00PM Mar 26, 2020Observed: 9.2 ft at 4:15PM Mar 26, 2020Observed: 9.2 ft at 4:30PM Mar 26, 2020Observed: 9.2 ft at 4:31PM Mar 26, 2020Observed: 9.19 ft at 4:45PM Mar 26, 2020Observed: 9.19 ft at 4:46PM Mar 26, 2020Observed: 9.19 ft at 5:00PM Mar 26, 2020Observed: 9.19 ft at 5:01PM Mar 26, 2020Observed: 9.19 ft at 5:15PM Mar 26, 2020Observed: 9.19 ft at 5:30PM Mar 26, 2020Observed: 9.18 ft at 5:45PM Mar 26, 2020Observed: 9.18 ft at 6:00PM Mar 26, 2020Observed: 9.18 ft at 6:15PM Mar 26, 2020Observed: 9.19 ft at 6:30PM Mar 26, 2020Observed: 9.18 ft at 6:45PM Mar 26, 2020Observed: 9.18 ft at 7:00PM Mar 26, 2020Observed: 9.17 ft at 7:15PM Mar 26, 2020Observed: 9.17 ft at 7:30PM Mar 26, 2020Observed: 9.17 ft at 7:45PM Mar 26, 2020Observed: 9.17 ft at 8:00PM Mar 26, 2020Observed: 9.17 ft at 8:15PM Mar 26, 2020Observed: 9.16 ft at 8:30PM Mar 26, 2020Observed: 9.16 ft at 8:45PM Mar 26, 2020Observed: 9.16 ft at 9:00PM Mar 26, 2020Observed: 9.15 ft at 9:15PM Mar 26, 2020Observed: 9.15 ft at 9:30PM Mar 26, 2020Observed: 9.15 ft at 9:45PM Mar 26, 2020Observed: 9.15 ft at 10:00PM Mar 26, 2020Observed: 9.14 ft at 10:15PM Mar 26, 2020Observed: 9.14 ft at 10:30PM Mar 26, 2020Observed: 9.14 ft at 10:45PM Mar 26, 2020Observed: 9.14 ft at 11:00PM Mar 26, 2020Observed: 9.13 ft at 11:15PM Mar 26, 2020Observed: 9.13 ft at 11:30PM Mar 26, 2020Observed: 9.12 ft at 11:45PM Mar 26, 2020Observed: 9.13 ft at 12:00AM Mar 27, 2020Observed: 9.12 ft at 12:15AM Mar 27, 2020Observed: 9.11 ft at 12:30AM Mar 27, 2020Observed: 9.12 ft at 12:45AM Mar 27, 2020Observed: 9.12 ft at 1:00AM Mar 27, 2020Observed: 9.11 ft at 1:15AM Mar 27, 2020Observed: 9.11 ft at 1:30AM Mar 27, 2020Observed: 9.1 ft at 1:45AM Mar 27, 2020Observed: 9.1 ft at 2:00AM Mar 27, 2020Observed: 9.09 ft at 2:15AM Mar 27, 2020Observed: 9.09 ft at 2:30AM Mar 27, 2020Observed: 9.09 ft at 2:45AM Mar 27, 2020Observed: 9.09 ft at 3:00AM Mar 27, 2020Observed: 9.08 ft at 3:15AM Mar 27, 2020Observed: 9.08 ft at 3:30AM Mar 27, 2020Observed: 9.08 ft at 3:45AM Mar 27, 2020Observed: 9.07 ft at 4:00AM Mar 27, 2020Observed: 9.07 ft at 4:15AM Mar 27, 2020Observed: 9.06 ft at 4:30AM Mar 27, 2020Observed: 9.06 ft at 4:45AM Mar 27, 2020Observed: 9.05 ft at 5:00AM Mar 27, 2020Observed: 9.05 ft at 5:15AM Mar 27, 2020Observed: 9.05 ft at 5:30AM Mar 27, 2020Observed: 9.04 ft at 5:45AM Mar 27, 2020Observed: 9.04 ft at 6:00AM Mar 27, 2020Observed: 9.04 ft at 6:15AM Mar 27, 2020Observed: 9.03 ft at 6:30AM Mar 27, 2020Observed: 9.03 ft at 6:45AM Mar 27, 2020Observed: 9.03 ft at 7:00AM Mar 27, 2020Observed: 9.03 ft at 7:15AM Mar 27, 2020Observed: 9.02 ft at 7:30AM Mar 27, 2020Observed: 9.02 ft at 7:45AM Mar 27, 2020Observed: 9.01 ft at 8:00AM Mar 27, 2020Observed: 9.01 ft at 8:15AM Mar 27, 2020Observed: 9 ft at 8:30AM Mar 27, 2020Observed: 9 ft at 8:45AM Mar 27, 2020Observed: 9 ft at 8:46AM Mar 27, 2020Observed: 9 ft at 9:00AM Mar 27, 2020Observed: 9 ft at 9:01AM Mar 27, 2020Observed: 9 ft at 9:15AM Mar 27, 2020Observed: 9 ft at 9:16AM Mar 27, 2020Observed: 8.99 ft at 9:30AM Mar 27, 2020Observed: 8.99 ft at 9:45AM Mar 27, 2020Observed: 8.99 ft at 10:00AM Mar 27, 2020Observed: 8.98 ft at 10:15AM Mar 27, 2020Observed: 8.98 ft at 10:30AM Mar 27, 2020Observed: 8.98 ft at 10:45AM Mar 27, 2020Observed: 8.98 ft at 11:00AM Mar 27, 2020Observed: 8.97 ft at 11:15AM Mar 27, 2020Observed: 8.97 ft at 11:30AM Mar 27, 2020Observed: 8.97 ft at 11:45AM Mar 27, 2020Observed: 8.97 ft at 12:00PM Mar 27, 2020Observed: 8.96 ft at 12:15PM Mar 27, 2020Observed: 8.97 ft at 12:30PM Mar 27, 2020Observed: 8.96 ft at 12:45PM Mar 27, 2020Observed: 8.96 ft at 1:00PM Mar 27, 2020Observed: 8.96 ft at 1:15PM Mar 27, 2020Observed: 8.96 ft at 1:30PM Mar 27, 2020Observed: 8.96 ft at 1:45PM Mar 27, 2020Observed: 8.95 ft at 2:00PM Mar 27, 2020Observed: 8.95 ft at 2:15PM Mar 27, 2020Observed: 8.94 ft at 2:30PM Mar 27, 2020Observed: 8.95 ft at 2:45PM Mar 27, 2020Observed: 8.94 ft at 3:00PM Mar 27, 2020Observed: 8.95 ft at 3:15PM Mar 27, 2020Observed: 8.94 ft at 3:30PM Mar 27, 2020Observed: 8.94 ft at 3:45PM Mar 27, 2020Observed: 8.93 ft at 4:00PM Mar 27, 2020Observed: 8.93 ft at 4:15PM Mar 27, 2020Observed: 8.95 ft at 4:30PM Mar 27, 2020Observed: 8.95 ft at 4:45PM Mar 27, 2020Observed: 8.93 ft at 5:00PM Mar 27, 2020Observed: 8.94 ft at 5:15PM Mar 27, 2020Observed: 8.93 ft at 5:30PM Mar 27, 2020Observed: 8.94 ft at 5:45PM Mar 27, 2020Observed: 8.93 ft at 6:00PM Mar 27, 2020Observed: 8.92 ft at 6:15PM Mar 27, 2020Observed: 8.93 ft at 6:30PM Mar 27, 2020Observed: 8.94 ft at 6:45PM Mar 27, 2020Observed: 8.92 ft at 7:00PM Mar 27, 2020Observed: 8.93 ft at 7:15PM Mar 27, 2020Observed: 8.92 ft at 7:30PM Mar 27, 2020Observed: 8.92 ft at 7:45PM Mar 27, 2020Observed: 8.92 ft at 8:00PM Mar 27, 2020Observed: 8.93 ft at 8:15PM Mar 27, 2020Observed: 8.91 ft at 8:30PM Mar 27, 2020Observed: 8.92 ft at 8:45PM Mar 27, 2020Observed: 8.92 ft at 9:00PM Mar 27, 2020Observed: 8.92 ft at 9:15PM Mar 27, 2020Observed: 8.92 ft at 9:30PM Mar 27, 2020Observed: 8.92 ft at 9:45PM Mar 27, 2020Observed: 8.91 ft at 10:00PM Mar 27, 2020Observed: 8.92 ft at 10:15PM Mar 27, 2020Observed: 8.92 ft at 10:30PM Mar 27, 2020Observed: 8.92 ft at 10:45PM Mar 27, 2020Observed: 8.91 ft at 11:00PM Mar 27, 2020Observed: 8.91 ft at 11:15PM Mar 27, 2020Observed: 8.92 ft at 11:30PM Mar 27, 2020Observed: 8.92 ft at 11:45PM Mar 27, 2020Observed: 8.92 ft at 12:00AM Mar 28, 2020Observed: 8.92 ft at 12:15AM Mar 28, 2020Observed: 8.92 ft at 12:30AM Mar 28, 2020Observed: 8.9 ft at 12:45AM Mar 28, 2020Observed: 8.91 ft at 1:00AM Mar 28, 2020Observed: 8.92 ft at 1:15AM Mar 28, 2020Observed: 8.92 ft at 1:30AM Mar 28, 2020Observed: 8.92 ft at 1:45AM Mar 28, 2020Observed: 8.93 ft at 2:00AM Mar 28, 2020Observed: 8.92 ft at 2:15AM Mar 28, 2020Observed: 8.93 ft at 2:30AM Mar 28, 2020Observed: 8.92 ft at 2:45AM Mar 28, 2020Observed: 8.91 ft at 3:00AM Mar 28, 2020Observed: 8.93 ft at 3:15AM Mar 28, 2020Observed: 8.93 ft at 3:30AM Mar 28, 2020Observed: 8.93 ft at 3:45AM Mar 28, 2020Observed: 8.92 ft at 4:00AM Mar 28, 2020Observed: 8.93 ft at 4:15AM Mar 28, 2020Observed: 8.93 ft at 4:30AM Mar 28, 2020Observed: 8.93 ft at 4:45AM Mar 28, 2020Observed: 8.92 ft at 5:00AM Mar 28, 2020Observed: 8.92 ft at 5:15AM Mar 28, 2020Observed: 8.93 ft at 5:30AM Mar 28, 2020Observed: 8.94 ft at 5:45AM Mar 28, 2020Observed: 8.93 ft at 6:00AM Mar 28, 2020Observed: 8.94 ft at 6:15AM Mar 28, 2020Observed: 8.93 ft at 6:30AM Mar 28, 2020Observed: 8.94 ft at 6:45AM Mar 28, 2020Observed: 8.94 ft at 7:00AM Mar 28, 2020Observed: 8.92 ft at 7:15AM Mar 28, 2020Observed: 8.93 ft at 7:30AM Mar 28, 2020Observed: 8.94 ft at 7:45AM Mar 28, 2020Observed: 8.93 ft at 8:00AM Mar 28, 2020Observed: 8.93 ft at 8:15AM Mar 28, 2020Observed: 8.94 ft at 8:30AM Mar 28, 2020Observed: 8.94 ft at 8:45AM Mar 28, 2020Observed: 8.94 ft at 8:46AM Mar 28, 2020Observed: 8.94 ft at 9:00AM Mar 28, 2020Observed: 8.94 ft at 9:01AM Mar 28, 2020Observed: 8.93 ft at 9:15AM Mar 28, 2020Observed: 8.93 ft at 9:16AM Mar 28, 2020Observed: 8.93 ft at 9:30AM Mar 28, 2020Observed: 8.94 ft at 9:45AM Mar 28, 2020Observed: 8.94 ft at 10:00AM Mar 28, 2020Observed: 8.93 ft at 10:15AM Mar 28, 2020Observed: 8.93 ft at 10:30AM Mar 28, 2020Observed: 8.93 ft at 10:45AM Mar 28, 2020Observed: 8.93 ft at 11:00AM Mar 28, 2020Observed: 8.93 ft at 11:15AM Mar 28, 2020Observed: 8.93 ft at 11:30AM Mar 28, 2020Observed: 8.93 ft at 11:45AM Mar 28, 2020Observed: 8.94 ft at 12:00PM Mar 28, 2020Observed: 8.94 ft at 12:15PM Mar 28, 2020Observed: 8.93 ft at 12:30PM Mar 28, 2020Observed: 8.94 ft at 12:45PM Mar 28, 2020Observed: 8.94 ft at 1:00PM Mar 28, 2020Observed: 8.94 ft at 1:15PM Mar 28, 2020Observed: 8.95 ft at 1:30PM Mar 28, 2020Observed: 8.94 ft at 1:45PM Mar 28, 2020Observed: 8.95 ft at 2:00PM Mar 28, 2020Observed: 8.94 ft at 2:15PM Mar 28, 2020Observed: 8.95 ft at 2:30PM Mar 28, 2020Observed: 8.95 ft at 2:45PM Mar 28, 2020Observed: 8.95 ft at 3:00PM Mar 28, 2020Observed: 8.95 ft at 3:15PM Mar 28, 2020Observed: 8.96 ft at 3:30PM Mar 28, 2020Observed: 8.96 ft at 3:45PM Mar 28, 2020Observed: 8.96 ft at 4:00PM Mar 28, 2020Observed: 8.96 ft at 4:15PM Mar 28, 2020Observed: 8.96 ft at 4:30PM Mar 28, 2020Observed: 8.95 ft at 4:45PM Mar 28, 2020Observed: 8.97 ft at 5:00PM Mar 28, 2020Observed: 8.97 ft at 5:15PM Mar 28, 2020Observed: 8.97 ft at 5:30PM Mar 28, 2020Observed: 8.96 ft at 5:45PM Mar 28, 2020Observed: 8.97 ft at 6:00PM Mar 28, 2020Observed: 8.96 ft at 6:15PM Mar 28, 2020Observed: 8.97 ft at 6:30PM Mar 28, 2020Observed: 8.97 ft at 6:45PM Mar 28, 2020Observed: 8.96 ft at 7:00PM Mar 28, 2020Observed: 8.97 ft at 7:15PM Mar 28, 2020Observed: 8.97 ft at 7:30PM Mar 28, 2020Observed: 8.97 ft at 7:45PM Mar 28, 2020Observed: 8.97 ft at 8:00PM Mar 28, 2020Observed: 8.97 ft at 8:15PM Mar 28, 2020Observed: 8.98 ft at 8:30PM Mar 28, 2020Observed: 8.98 ft at 8:45PM Mar 28, 2020Observed: 8.98 ft at 9:00PM Mar 28, 2020Observed: 8.98 ft at 9:15PM Mar 28, 2020Observed: 8.97 ft at 9:30PM Mar 28, 2020Observed: 8.99 ft at 9:45PM Mar 28, 2020Observed: 8.99 ft at 10:00PM Mar 28, 2020Observed: 8.99 ft at 10:15PM Mar 28, 2020Observed: 9 ft at 10:30PM Mar 28, 2020Observed: 9 ft at 10:45PM Mar 28, 2020Observed: 9 ft at 11:00PM Mar 28, 2020Observed: 9 ft at 11:15PM Mar 28, 2020Observed: 9.01 ft at 11:30PM Mar 28, 2020Observed: 9.01 ft at 11:45PM Mar 28, 2020Observed: 9.01 ft at 12:00AM Mar 29, 2020Observed: 9.02 ft at 12:15AM Mar 29, 2020Observed: 9.02 ft at 12:30AM Mar 29, 2020Observed: 9.02 ft at 12:45AM Mar 29, 2020Observed: 9.02 ft at 12:46AM Mar 29, 2020Observed: 9.03 ft at 1:00AM Mar 29, 2020Observed: 9.03 ft at 1:01AM Mar 29, 2020Observed: 9.04 ft at 1:15AM Mar 29, 2020Observed: 9.04 ft at 1:16AM Mar 29, 2020Observed: 9.04 ft at 1:30AM Mar 29, 2020Observed: 9.04 ft at 1:45AM Mar 29, 2020Observed: 9.04 ft at 2:00AM Mar 29, 2020Observed: 9.05 ft at 2:15AM Mar 29, 2020Observed: 9.04 ft at 2:30AM Mar 29, 2020Observed: 9.05 ft at 2:45AM Mar 29, 2020Observed: 9.05 ft at 3:00AM Mar 29, 2020Observed: 9.05 ft at 3:15AM Mar 29, 2020Observed: 9.06 ft at 3:30AM Mar 29, 2020Observed: 9.07 ft at 3:45AM Mar 29, 2020Observed: 9.07 ft at 4:00AM Mar 29, 2020Observed: 9.07 ft at 4:15AM Mar 29, 2020Observed: 9.08 ft at 4:30AM Mar 29, 2020Observed: 9.08 ft at 4:45AM Mar 29, 2020Observed: 9.08 ft at 5:00AM Mar 29, 2020Observed: 9.08 ft at 5:15AM Mar 29, 2020Observed: 9.09 ft at 5:30AM Mar 29, 2020Observed: 9.1 ft at 5:45AM Mar 29, 2020Observed: 9.09 ft at 6:00AM Mar 29, 2020Observed: 9.11 ft at 6:15AM Mar 29, 2020Observed: 9.11 ft at 6:30AM Mar 29, 2020Observed: 9.11 ft at 6:45AM Mar 29, 2020Observed: 9.12 ft at 7:00AM Mar 29, 2020Observed: 9.12 ft at 7:15AM Mar 29, 2020Observed: 9.12 ft at 7:30AM Mar 29, 2020Observed: 9.12 ft at 7:45AM Mar 29, 2020Observed: 9.13 ft at 8:00AM Mar 29, 2020Observed: 9.12 ft at 8:15AM Mar 29, 2020Observed: 9.13 ft at 8:30AM Mar 29, 2020Observed: 9.13 ft at 8:45AM Mar 29, 2020Observed: 9.13 ft at 8:46AM Mar 29, 2020Observed: 9.14 ft at 9:00AM Mar 29, 2020Observed: 9.14 ft at 9:01AM Mar 29, 2020Observed: 9.14 ft at 9:15AM Mar 29, 2020Observed: 9.14 ft at 9:16AM Mar 29, 2020Observed: 9.15 ft at 9:30AM Mar 29, 2020Observed: 9.15 ft at 9:45AM Mar 29, 2020Observed: 9.15 ft at 10:00AM Mar 29, 2020Observed: 9.15 ft at 10:15AM Mar 29, 2020Observed: 9.16 ft at 10:30AM Mar 29, 2020Observed: 9.16 ft at 10:45AM Mar 29, 2020Observed: 9.16 ft at 11:00AM Mar 29, 2020Observed: 9.17 ft at 11:15AM Mar 29, 2020Observed: 9.17 ft at 11:30AM Mar 29, 2020Observed: 9.17 ft at 11:45AM Mar 29, 2020Observed: 9.18 ft at 12:00PM Mar 29, 2020Observed: 9.18 ft at 12:15PM Mar 29, 2020Observed: 9.18 ft at 12:30PM Mar 29, 2020Observed: 9.18 ft at 12:45PM Mar 29, 2020Observed: 9.19 ft at 1:00PM Mar 29, 2020Observed: 9.19 ft at 1:15PM Mar 29, 2020Observed: 9.2 ft at 1:30PM Mar 29, 2020Observed: 9.2 ft at 1:45PM Mar 29, 2020Observed: 9.19 ft at 2:00PM Mar 29, 2020Observed: 9.21 ft at 2:15PM Mar 29, 2020Observed: 9.21 ft at 2:30PM Mar 29, 2020Observed: 9.21 ft at 2:45PM Mar 29, 2020Observed: 9.2 ft at 3:00PM Mar 29, 2020Observed: 9.22 ft at 3:15PM Mar 29, 2020Observed: 9.22 ft at 3:30PM Mar 29, 2020Observed: 9.22 ft at 3:45PM Mar 29, 2020Observed: 9.22 ft at 4:00PM Mar 29, 2020Observed: 9.23 ft at 4:15PM Mar 29, 2020Observed: 9.23 ft at 4:30PM Mar 29, 2020Observed: 9.23 ft at 4:45PM Mar 29, 2020Observed: 9.23 ft at 4:46PM Mar 29, 2020Observed: 9.23 ft at 5:00PM Mar 29, 2020Observed: 9.23 ft at 5:01PM Mar 29, 2020Observed: 9.24 ft at 5:15PM Mar 29, 2020Observed: 9.24 ft at 5:16PM Mar 29, 2020Observed: 9.24 ft at 5:30PM Mar 29, 2020Observed: 9.24 ft at 5:45PM Mar 29, 2020Observed: 9.24 ft at 6:00PM Mar 29, 2020Observed: 9.24 ft at 6:15PM Mar 29, 2020Observed: 9.25 ft at 6:30PM Mar 29, 2020Observed: 9.25 ft at 6:45PM Mar 29, 2020Observed: 9.25 ft at 7:00PM Mar 29, 2020Observed: 9.26 ft at 7:15PM Mar 29, 2020Observed: 9.25 ft at 7:30PM Mar 29, 2020Observed: 9.26 ft at 7:45PM Mar 29, 2020Observed: 9.26 ft at 8:00PM Mar 29, 2020Observed: 9.26 ft at 8:15PM Mar 29, 2020Observed: 9.26 ft at 8:30PM Mar 29, 2020Observed: 9.26 ft at 8:45PM Mar 29, 2020Observed: 9.26 ft at 9:00PM Mar 29, 2020Observed: 9.26 ft at 9:15PM Mar 29, 2020Observed: 9.27 ft at 9:30PM Mar 29, 2020Observed: 9.27 ft at 9:45PM Mar 29, 2020Observed: 9.27 ft at 10:00PM Mar 29, 2020Observed: 9.27 ft at 10:15PM Mar 29, 2020Observed: 9.27 ft at 10:30PM Mar 29, 2020Observed: 9.28 ft at 10:45PM Mar 29, 2020Observed: 9.27 ft at 11:00PM Mar 29, 2020Observed: 9.28 ft at 11:15PM Mar 29, 2020Observed: 9.29 ft at 11:30PM Mar 29, 2020Observed: 9.29 ft at 11:45PM Mar 29, 2020Observed: 9.29 ft at 12:00AM Mar 30, 2020Observed: 9.29 ft at 12:15AM Mar 30, 2020Observed: 9.3 ft at 12:30AM Mar 30, 2020Observed: 9.3 ft at 12:45AM Mar 30, 2020Observed: 9.3 ft at 12:46AM Mar 30, 2020Observed: 9.3 ft at 1:00AM Mar 30, 2020Observed: 9.3 ft at 1:01AM Mar 30, 2020Observed: 9.3 ft at 1:15AM Mar 30, 2020Observed: 9.3 ft at 1:16AM Mar 30, 2020Observed: 9.31 ft at 1:30AM Mar 30, 2020Observed: 9.31 ft at 1:45AM Mar 30, 2020Observed: 9.31 ft at 2:00AM Mar 30, 2020Observed: 9.32 ft at 2:15AM Mar 30, 2020Observed: 9.32 ft at 2:30AM Mar 30, 2020Observed: 9.32 ft at 2:45AM Mar 30, 2020Observed: 9.32 ft at 3:00AM Mar 30, 2020Observed: 9.32 ft at 3:15AM Mar 30, 2020Observed: 9.32 ft at 3:30AM Mar 30, 2020Observed: 9.32 ft at 3:45AM Mar 30, 2020Observed: 9.32 ft at 4:00AM Mar 30, 2020Observed: 9.33 ft at 4:15AM Mar 30, 2020Observed: 9.33 ft at 4:30AM Mar 30, 2020Observed: 9.33 ft at 4:45AM Mar 30, 2020Observed: 9.33 ft at 5:00AM Mar 30, 2020Observed: 9.33 ft at 5:15AM Mar 30, 2020Observed: 9.32 ft at 5:30AM Mar 30, 2020Observed: 9.32 ft at 5:45AM Mar 30, 2020Observed: 9.33 ft at 6:00AM Mar 30, 2020Observed: 9.32 ft at 6:15AM Mar 30, 2020Observed: 9.33 ft at 6:30AM Mar 30, 2020Observed: 9.33 ft at 6:45AM Mar 30, 2020Observed: 9.33 ft at 7:00AM Mar 30, 2020Observed: 9.33 ft at 7:15AM Mar 30, 2020Observed: 9.33 ft at 7:30AM Mar 30, 2020Observed: 9.33 ft at 7:45AM Mar 30, 2020Observed: 9.33 ft at 8:00AM Mar 30, 2020Observed: 9.33 ft at 8:15AM Mar 30, 2020Observed: 9.33 ft at 8:30AM Mar 30, 2020Observed: 9.33 ft at 8:45AM Mar 30, 2020Observed: 9.33 ft at 9:00AM Mar 30, 2020Observed: 9.33 ft at 9:01AM Mar 30, 2020Observed: 9.33 ft at 9:15AM Mar 30, 2020Observed: 9.33 ft at 9:16AM Mar 30, 2020Highest Observation: 9.34 ft at 9:30AM Mar 30, 2020Highest Observation: 9.34 ft at 9:31AM Mar 30, 2020Observed: 9.33 ft at 9:45AM Mar 30, 2020Observed: 9.33 ft at 10:00AM Mar 30, 2020Observed: 9.33 ft at 10:15AM Mar 30, 2020Observed: 9.33 ft at 10:30AM Mar 30, 2020Observed: 9.33 ft at 10:45AM Mar 30, 2020Observed: 9.33 ft at 11:00AM Mar 30, 2020Observed: 9.33 ft at 11:15AM Mar 30, 2020Observed: 9.32 ft at 11:30AM Mar 30, 2020Observed: 9.32 ft at 11:45AM Mar 30, 2020Observed: 9.33 ft at 12:00PM Mar 30, 2020Observed: 9.33 ft at 12:15PM Mar 30, 2020Observed: 9.32 ft at 12:30PM Mar 30, 2020Observed: 9.32 ft at 12:45PM Mar 30, 2020Observed: 9.31 ft at 1:00PM Mar 30, 2020Observed: 9.32 ft at 1:15PM Mar 30, 2020Observed: 9.31 ft at 1:30PM Mar 30, 2020Observed: 9.31 ft at 1:45PM Mar 30, 2020Observed: 9.3 ft at 2:00PM Mar 30, 2020Observed: 9.3 ft at 2:15PM Mar 30, 2020Observed: 9.3 ft at 2:30PM Mar 30, 2020Observed: 9.29 ft at 2:45PM Mar 30, 2020Observed: 9.29 ft at 3:00PM Mar 30, 2020Observed: 9.29 ft at 3:15PM Mar 30, 2020Observed: 9.29 ft at 3:30PM Mar 30, 2020Observed: 9.28 ft at 3:45PM Mar 30, 2020Observed: 9.27 ft at 4:00PM Mar 30, 2020Observed: 9.28 ft at 4:15PM Mar 30, 2020Observed: 9.27 ft at 4:30PM Mar 30, 2020Observed: 9.27 ft at 4:45PM Mar 30, 2020Observed: 9.27 ft at 5:00PM Mar 30, 2020Observed: 9.27 ft at 5:01PM Mar 30, 2020Observed: 9.26 ft at 5:15PM Mar 30, 2020Observed: 9.26 ft at 5:16PM Mar 30, 2020Observed: 9.25 ft at 5:30PM Mar 30, 2020Observed: 9.25 ft at 5:31PM Mar 30, 2020Observed: 9.26 ft at 5:45PM Mar 30, 2020Observed: 9.25 ft at 6:00PM Mar 30, 2020Observed: 9.25 ft at 6:15PM Mar 30, 2020Observed: 9.25 ft at 6:30PM Mar 30, 2020Observed: 9.23 ft at 6:45PM Mar 30, 2020Observed: 9.23 ft at 7:00PM Mar 30, 2020Observed: 9.23 ft at 7:15PM Mar 30, 2020Observed: 9.23 ft at 7:30PM Mar 30, 2020Observed: 9.22 ft at 7:45PM Mar 30, 2020Observed: 9.22 ft at 8:00PM Mar 30, 2020Observed: 9.22 ft at 8:15PM Mar 30, 2020Observed: 9.21 ft at 8:30PM Mar 30, 2020Observed: 9.21 ft at 8:45PM Mar 30, 2020Observed: 9.21 ft at 9:00PM Mar 30, 2020Observed: 9.2 ft at 9:15PM Mar 30, 2020Observed: 9.2 ft at 9:30PM Mar 30, 2020Observed: 9.2 ft at 9:45PM Mar 30, 2020Observed: 9.19 ft at 10:00PM Mar 30, 2020Observed: 9.19 ft at 10:15PM Mar 30, 2020Observed: 9.18 ft at 10:30PM Mar 30, 2020Observed: 9.18 ft at 10:45PM Mar 30, 2020Observed: 9.18 ft at 11:00PM Mar 30, 2020Observed: 9.18 ft at 11:15PM Mar 30, 2020Observed: 9.17 ft at 11:30PM Mar 30, 2020Observed: 9.17 ft at 11:45PM Mar 30, 2020Observed: 9.17 ft at 12:00AM Mar 31, 2020Observed: 9.17 ft at 12:15AM Mar 31, 2020Observed: 9.17 ft at 12:30AM Mar 31, 2020Observed: 9.16 ft at 12:45AM Mar 31, 2020Observed: 9.16 ft at 1:00AM Mar 31, 2020Observed: 9.16 ft at 1:01AM Mar 31, 2020Observed: 9.16 ft at 1:15AM Mar 31, 2020Observed: 9.16 ft at 1:16AM Mar 31, 2020Observed: 9.16 ft at 1:30AM Mar 31, 2020Observed: 9.16 ft at 1:31AM Mar 31, 2020Observed: 9.15 ft at 1:45AM Mar 31, 2020Observed: 9.15 ft at 2:00AM Mar 31, 2020Observed: 9.15 ft at 2:15AM Mar 31, 2020Observed: 9.15 ft at 2:30AM Mar 31, 2020Observed: 9.15 ft at 2:45AM Mar 31, 2020Observed: 9.14 ft at 3:00AM Mar 31, 2020Observed: 9.14 ft at 3:15AM Mar 31, 2020Observed: 9.14 ft at 3:30AM Mar 31, 2020Observed: 9.14 ft at 3:45AM Mar 31, 2020Observed: 9.14 ft at 4:00AM Mar 31, 2020Observed: 9.13 ft at 4:15AM Mar 31, 2020Observed: 9.13 ft at 4:30AM Mar 31, 2020Observed: 9.12 ft at 4:45AM Mar 31, 2020Observed: 9.13 ft at 5:00AM Mar 31, 2020Observed: 9.13 ft at 5:15AM Mar 31, 2020Observed: 9.13 ft at 5:30AM Mar 31, 2020Observed: 9.12 ft at 5:45AM Mar 31, 2020Observed: 9.12 ft at 6:00AM Mar 31, 2020Observed: 9.12 ft at 6:15AM Mar 31, 2020Observed: 9.11 ft at 6:30AM Mar 31, 2020Observed: 9.12 ft at 6:45AM Mar 31, 2020Observed: 9.11 ft at 7:00AM Mar 31, 2020Observed: 9.11 ft at 7:15AM Mar 31, 2020Observed: 9.1 ft at 7:30AM Mar 31, 2020Observed: 9.11 ft at 7:45AM Mar 31, 2020Observed: 9.1 ft at 8:00AM Mar 31, 2020Observed: 9.1 ft at 8:15AM Mar 31, 2020Observed: 9.09 ft at 8:30AM Mar 31, 2020Observed: 9.09 ft at 8:45AM Mar 31, 2020Observed: 9.09 ft at 9:00AM Mar 31, 2020Observed: 9.09 ft at 9:01AM Mar 31, 2020Observed: 9.08 ft at 9:15AM Mar 31, 2020Observed: 9.08 ft at 9:16AM Mar 31, 2020Observed: 9.09 ft at 9:30AM Mar 31, 2020Observed: 9.09 ft at 9:31AM Mar 31, 2020Observed: 9.08 ft at 9:45AM Mar 31, 2020Observed: 9.08 ft at 10:00AM Mar 31, 2020Observed: 9.08 ft at 10:15AM Mar 31, 2020Observed: 9.08 ft at 10:30AM Mar 31, 2020Observed: 9.08 ft at 10:45AM Mar 31, 2020Observed: 9.07 ft at 11:00AM Mar 31, 2020Observed: 9.07 ft at 11:15AM Mar 31, 2020Observed: 9.07 ft at 11:30AM Mar 31, 2020Observed: 9.07 ft at 11:45AM Mar 31, 2020Observed: 9.06 ft at 12:00PM Mar 31, 2020Observed: 9.06 ft at 12:15PM Mar 31, 2020Observed: 9.07 ft at 12:30PM Mar 31, 2020Observed: 9.06 ft at 12:45PM Mar 31, 2020Observed: 9.06 ft at 1:00PM Mar 31, 2020Observed: 9.05 ft at 1:15PM Mar 31, 2020Observed: 9.04 ft at 1:30PM Mar 31, 2020Observed: 9.04 ft at 1:45PM Mar 31, 2020Observed: 9.05 ft at 2:00PM Mar 31, 2020Observed: 9.03 ft at 2:15PM Mar 31, 2020Observed: 9.04 ft at 2:30PM Mar 31, 2020Observed: 9.04 ft at 2:45PM Mar 31, 2020Observed: 9.03 ft at 3:00PM Mar 31, 2020Observed: 9.03 ft at 3:15PM Mar 31, 2020Observed: 9.03 ft at 3:30PM Mar 31, 2020Observed: 9.02 ft at 3:45PM Mar 31, 2020Observed: 9.02 ft at 4:00PM Mar 31, 2020Observed: 9.02 ft at 4:15PM Mar 31, 2020Observed: 9.02 ft at 4:30PM Mar 31, 2020Observed: 9.01 ft at 4:45PM Mar 31, 2020Observed: 9.02 ft at 5:00PM Mar 31, 2020Observed: 9.01 ft at 5:15PM Mar 31, 2020Observed: 9.02 ft at 5:30PM Mar 31, 2020Observed: 9.01 ft at 5:45PM Mar 31, 2020Observed: 9.01 ft at 6:00PM Mar 31, 2020Observed: 9 ft at 6:15PM Mar 31, 2020Observed: 9.01 ft at 6:30PM Mar 31, 2020Observed: 9 ft at 6:45PM Mar 31, 2020Observed: 9 ft at 7:00PM Mar 31, 2020Observed: 8.99 ft at 7:15PM Mar 31, 2020Observed: 8.99 ft at 7:30PM Mar 31, 2020Observed: 8.99 ft at 7:45PM Mar 31, 2020Observed: 8.98 ft at 8:00PM Mar 31, 2020Observed: 8.99 ft at 8:15PM Mar 31, 2020Observed: 8.98 ft at 8:30PM Mar 31, 2020Observed: 8.98 ft at 8:45PM Mar 31, 2020Observed: 8.98 ft at 9:00PM Mar 31, 2020Observed: 8.99 ft at 9:15PM Mar 31, 2020Observed: 8.97 ft at 9:30PM Mar 31, 2020Observed: 8.97 ft at 9:45PM Mar 31, 2020Observed: 8.98 ft at 10:00PM Mar 31, 2020Observed: 8.97 ft at 10:15PM Mar 31, 2020Observed: 8.97 ft at 10:30PM Mar 31, 2020Observed: 8.97 ft at 10:45PM Mar 31, 2020Observed: 8.96 ft at 11:00PM Mar 31, 2020Observed: 8.97 ft at 11:15PM Mar 31, 2020Observed: 8.96 ft at 11:30PM Mar 31, 2020Observed: 8.97 ft at 11:45PM Mar 31, 2020Observed: 8.96 ft at 12:00AM Apr 01, 2020Observed: 8.97 ft at 12:15AM Apr 01, 2020Observed: 8.96 ft at 12:30AM Apr 01, 2020Observed: 8.97 ft at 12:45AM Apr 01, 2020Observed: 8.96 ft at 1:00AM Apr 01, 2020Observed: 8.96 ft at 1:01AM Apr 01, 2020Observed: 8.95 ft at 1:15AM Apr 01, 2020Observed: 8.95 ft at 1:16AM Apr 01, 2020Observed: 8.96 ft at 1:30AM Apr 01, 2020Observed: 8.96 ft at 1:31AM Apr 01, 2020Observed: 8.96 ft at 1:45AM Apr 01, 2020Observed: 8.96 ft at 2:00AM Apr 01, 2020Observed: 8.96 ft at 2:15AM Apr 01, 2020Observed: 8.96 ft at 2:30AM Apr 01, 2020Observed: 8.97 ft at 2:45AM Apr 01, 2020Observed: 8.96 ft at 3:00AM Apr 01, 2020Observed: 8.96 ft at 3:15AM Apr 01, 2020Observed: 8.96 ft at 3:30AM Apr 01, 2020Observed: 8.95 ft at 3:45AM Apr 01, 2020Observed: 8.96 ft at 4:00AM Apr 01, 2020Observed: 8.95 ft at 4:15AM Apr 01, 2020Observed: 8.96 ft at 4:30AM Apr 01, 2020Observed: 8.95 ft at 4:45AM Apr 01, 2020Observed: 8.95 ft at 5:00AM Apr 01, 2020Observed: 8.95 ft at 5:15AM Apr 01, 2020Observed: 8.95 ft at 5:30AM Apr 01, 2020Observed: 8.95 ft at 5:45AM Apr 01, 2020Observed: 8.95 ft at 6:00AM Apr 01, 2020Observed: 8.95 ft at 6:15AM Apr 01, 2020Observed: 8.94 ft at 6:30AM Apr 01, 2020Observed: 8.95 ft at 6:45AM Apr 01, 2020Observed: 8.94 ft at 7:00AM Apr 01, 2020Observed: 8.93 ft at 7:15AM Apr 01, 2020Observed: 8.94 ft at 7:30AM Apr 01, 2020Observed: 8.94 ft at 7:45AM Apr 01, 2020Observed: 8.95 ft at 8:00AM Apr 01, 2020Observed: 8.95 ft at 8:15AM Apr 01, 2020Observed: 8.94 ft at 8:30AM Apr 01, 2020Observed: 8.94 ft at 8:45AM Apr 01, 2020Observed: 8.95 ft at 9:00AM Apr 01, 2020Observed: 8.94 ft at 9:15AM Apr 01, 2020Observed: 8.95 ft at 9:30AM Apr 01, 2020Observed: 8.96 ft at 9:45AM Apr 01, 2020Observed: 8.94 ft at 10:00AM Apr 01, 2020Observed: 8.94 ft at 10:15AM Apr 01, 2020Observed: 8.94 ft at 10:30AM Apr 01, 2020Observed: 8.94 ft at 10:45AM Apr 01, 2020Observed: 8.95 ft at 11:00AM Apr 01, 2020Observed: 8.94 ft at 11:15AM Apr 01, 2020Observed: 8.94 ft at 11:30AM Apr 01, 2020Observed: 8.93 ft at 11:45AM Apr 01, 2020Observed: 8.94 ft at 12:00PM Apr 01, 2020Observed: 8.94 ft at 12:15PM Apr 01, 2020Observed: 8.93 ft at 12:30PM Apr 01, 2020Observed: 8.93 ft at 12:45PM Apr 01, 2020Observed: 8.93 ft at 1:00PM Apr 01, 2020Observed: 8.93 ft at 1:15PM Apr 01, 2020Observed: 8.93 ft at 1:30PM Apr 01, 2020Observed: 8.94 ft at 1:45PM Apr 01, 2020Observed: 8.93 ft at 2:00PM Apr 01, 2020Observed: 8.92 ft at 2:15PM Apr 01, 2020Observed: 8.93 ft at 2:30PM Apr 01, 2020Observed: 8.94 ft at 2:45PM Apr 01, 2020Observed: 8.94 ft at 3:00PM Apr 01, 2020Observed: 8.92 ft at 3:15PM Apr 01, 2020Observed: 8.92 ft at 3:30PM Apr 01, 2020Observed: 8.93 ft at 3:45PM Apr 01, 2020Observed: 8.92 ft at 4:00PM Apr 01, 2020Observed: 8.92 ft at 4:15PM Apr 01, 2020Observed: 8.92 ft at 4:30PM Apr 01, 2020Observed: 8.91 ft at 4:45PM Apr 01, 2020Observed: 8.91 ft at 5:00PM Apr 01, 2020Observed: 8.91 ft at 5:01PM Apr 01, 2020Observed: 8.91 ft at 5:15PM Apr 01, 2020Observed: 8.91 ft at 5:16PM Apr 01, 2020Observed: 8.91 ft at 5:30PM Apr 01, 2020Observed: 8.91 ft at 5:31PM Apr 01, 2020Observed: 8.91 ft at 5:45PM Apr 01, 2020Observed: 8.91 ft at 6:00PM Apr 01, 2020Observed: 8.9 ft at 6:15PM Apr 01, 2020Observed: 8.91 ft at 6:30PM Apr 01, 2020Observed: 8.9 ft at 6:45PM Apr 01, 2020Observed: 8.9 ft at 7:00PM Apr 01, 2020Observed: 8.92 ft at 7:15PM Apr 01, 2020Observed: 8.91 ft at 7:30PM Apr 01, 2020Observed: 8.91 ft at 7:45PM Apr 01, 2020Observed: 8.91 ft at 8:00PM Apr 01, 2020Observed: 8.9 ft at 8:15PM Apr 01, 2020Observed: 8.91 ft at 8:30PM Apr 01, 2020Observed: 8.9 ft at 8:45PM Apr 01, 2020Observed: 8.9 ft at 9:00PM Apr 01, 2020Observed: 8.9 ft at 9:15PM Apr 01, 2020Observed: 8.91 ft at 9:30PM Apr 01, 2020Observed: 8.91 ft at 9:45PM Apr 01, 2020Observed: 8.91 ft at 10:00PM Apr 01, 2020Observed: 8.92 ft at 10:15PM Apr 01, 2020Observed: 8.9 ft at 10:30PM Apr 01, 2020Observed: 8.91 ft at 10:45PM Apr 01, 2020Observed: 8.91 ft at 11:00PM Apr 01, 2020Observed: 8.92 ft at 11:15PM Apr 01, 2020Observed: 8.91 ft at 11:30PM Apr 01, 2020Observed: 8.91 ft at 11:45PM Apr 01, 2020Observed: 8.91 ft at 12:00AM Apr 02, 2020Observed: 8.91 ft at 12:15AM Apr 02, 2020Observed: 8.92 ft at 12:30AM Apr 02, 2020Observed: 8.91 ft at 12:45AM Apr 02, 2020Observed: 8.91 ft at 1:00AM Apr 02, 2020Observed: 8.91 ft at 1:01AM Apr 02, 2020Observed: 8.9 ft at 1:15AM Apr 02, 2020Observed: 8.9 ft at 1:16AM Apr 02, 2020Observed: 8.92 ft at 1:30AM Apr 02, 2020Observed: 8.92 ft at 1:31AM Apr 02, 2020Observed: 8.91 ft at 1:45AM Apr 02, 2020Observed: 8.92 ft at 2:00AM Apr 02, 2020Observed: 8.92 ft at 2:15AM Apr 02, 2020Observed: 8.93 ft at 2:30AM Apr 02, 2020Observed: 8.93 ft at 2:45AM Apr 02, 2020Observed: 8.92 ft at 3:00AM Apr 02, 2020Observed: 8.92 ft at 3:15AM Apr 02, 2020Observed: 8.93 ft at 3:30AM Apr 02, 2020Observed: 8.93 ft at 3:45AM Apr 02, 2020Observed: 8.94 ft at 4:00AM Apr 02, 2020Observed: 8.93 ft at 4:15AM Apr 02, 2020Observed: 8.94 ft at 4:30AM Apr 02, 2020Observed: 8.94 ft at 4:45AM Apr 02, 2020Observed: 8.96 ft at 5:00AM Apr 02, 2020Observed: 8.96 ft at 5:15AM Apr 02, 2020Observed: 8.96 ft at 5:30AM Apr 02, 2020Observed: 8.97 ft at 5:45AM Apr 02, 2020Observed: 8.98 ft at 6:00AM Apr 02, 2020Observed: 8.98 ft at 6:15AM Apr 02, 2020Observed: 8.98 ft at 6:30AM Apr 02, 2020Observed: 8.99 ft at 6:45AM Apr 02, 2020Observed: 9 ft at 7:00AM Apr 02, 2020Observed: 9.01 ft at 7:15AM Apr 02, 2020Observed: 9.01 ft at 7:30AM Apr 02, 2020Observed: 9.02 ft at 7:45AM Apr 02, 2020Observed: 9.02 ft at 8:00AM Apr 02, 2020Observed: 9.03 ft at 8:15AM Apr 02, 2020Observed: 9.03 ft at 8:30AM Apr 02, 2020Observed: 9.04 ft at 8:45AM Apr 02, 2020Observed: 9.05 ft at 9:00AM Apr 02, 2020Observed: 9.06 ft at 9:15AM Apr 02, 2020Observed: 9.07 ft at 9:30AM Apr 02, 2020Observed: 9.08 ft at 9:45AM Apr 02, 2020Observed: 9.08 ft at 10:00AM Apr 02, 2020Observed: 9.09 ft at 10:15AM Apr 02, 2020Observed: 9.09 ft at 10:30AM Apr 02, 2020Observed: 9.1 ft at 10:45AM Apr 02, 2020Observed: 9.11 ft at 11:00AM Apr 02, 2020Observed: 9.11 ft at 11:15AM Apr 02, 2020Observed: 9.12 ft at 11:30AM Apr 02, 2020Observed: 9.12 ft at 11:45AM Apr 02, 2020Observed: 9.13 ft at 12:00PM Apr 02, 2020Observed: 9.13 ft at 12:15PM Apr 02, 2020Observed: 9.14 ft at 12:30PM Apr 02, 2020Observed: 9.14 ft at 12:45PM Apr 02, 2020Observed: 9.14 ft at 1:00PM Apr 02, 2020Observed: 9.15 ft at 1:15PM Apr 02, 2020Observed: 9.15 ft at 1:30PM Apr 02, 2020Observed: 9.15 ft at 1:45PM Apr 02, 2020Observed: 9.17 ft at 2:00PM Apr 02, 2020Observed: 9.16 ft at 2:15PM Apr 02, 2020Observed: 9.16 ft at 2:30PM Apr 02, 2020Observed: 9.17 ft at 2:45PM Apr 02, 2020Observed: 9.17 ft at 3:00PM Apr 02, 2020Observed: 9.17 ft at 3:15PM Apr 02, 2020Observed: 9.18 ft at 3:30PM Apr 02, 2020Observed: 9.17 ft at 3:45PM Apr 02, 2020Forecast: 9.3 ft 7:00PM Apr 02, 2020Forecast: 9.4 ft 1:00AM Apr 03, 2020Forecast: 9.4 ft 7:00AM Apr 03, 2020Forecast: 9.3 ft 1:00PM Apr 03, 2020Forecast: 9.3 ft 7:00PM Apr 03, 2020Forecast: 9.3 ft 1:00AM Apr 04, 2020Forecast: 9.2 ft 7:00AM Apr 04, 2020Forecast: 9.2 ft 1:00PM Apr 04, 2020Forecast: 9.1 ft 7:00PM Apr 04, 2020Forecast: 9.1 ft 1:00AM Apr 05, 2020Forecast: 9.2 ft 7:00AM Apr 05, 2020Forecast: 9.2 ft 1:00PM Apr 05, 2020Forecast: 9.3 ft 7:00PM Apr 05, 2020Forecast: 9.6 ft 1:00AM Apr 06, 2020Forecast: 9.8 ft 7:00AM Apr 06, 2020Forecast: 10 ft 1:00PM Apr 06, 2020Highest Forecast: 10.1 ft 7:00PM Apr 06, 2020Highest Forecast: 10.1 ft 1:00AM Apr 07, 2020Highest Forecast: 10.1 ft 7:00AM Apr 07, 2020USGS--Water Resources of the United StatesCSWS2(plotting HGIRG) Graph Created (4:00PM Apr 2, 2020)ObservedForecast (issued 9:19AM Apr 2)Latest observed value: 9.17 ft at 3:45 PM CDT 2-Apr-2020. Flood Stage is 9 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 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 near Castlewood 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 - below Watertown Upstream Gauge Downstream Gauge Downstream Locations
Flood Categories (in feet)
Major Flood Stage: 16
Moderate Flood Stage: 11
Flood Stage: 9
Action Stage: 8
Low Stage (in feet): -9999

Historic Crests
(1) 13.19 ft on 04/07/1997
(2) 12.61 ft on 03/28/2019 (P)
(3) 12.29 ft on 03/23/2011
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 12.61 ft on 03/28/2019 (P)
(2) 10.96 ft on 04/23/2018 (P)
(3) 8.60 ft on 02/20/2017
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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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
16 The bridge at the gaging location is overtopped the big sioux river will be about 1 mile wide and many farm buildings around Castlewood will be flooded
15 The water reaches the bottom of the bridge 1 mile south of Castlewood
12.9 The water reaches the bottom of the bridge at the gauge
11.73 Significant amounts of pasture and other agricultural land will be flooded
11 Significant amounts of pasture and other agricultural lands will be flooded
10 The roads on both sides of the river are overtopped.
9.2 The road on the southwest side of Castlewood is overtopped
8 Minor flooding of low-lying agricultural lands along the river will begin
7.5 The water level is above the top of the culverts on the southwest side of Castlewood
About This Location Collapse

Latitude: 44.731667° N, Longitude: 97.044444° W, Horizontal Datum: NAD83/WGS84

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 1668.47 1677.47 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
Effective on Friday, June 1 2012, the Minor Flood Stage has been changed to 9.0 feet, and the Moderate Flood Stage changed to 11.0 feet.
How low could the river get?
Resources Collapse
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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
Aberdeen Weather Forecast Office
824 Brown County 14 South
Aberdeen, SD 57401
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Page last modified: 1-Mar-2019 12:34 AM
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