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Hydrograph River at a Glance Download
Big Sioux River at Akron Stage (ft)Flow (cfs)Observed: 7.4 ft at 7:00PM Apr 08, 2021Observed: 7.42 ft at 7:15PM Apr 08, 2021Observed: 7.43 ft at 7:30PM Apr 08, 2021Observed: 7.42 ft at 7:45PM Apr 08, 2021Observed: 7.43 ft at 8:00PM Apr 08, 2021Observed: 7.43 ft at 8:15PM Apr 08, 2021Observed: 7.44 ft at 8:30PM Apr 08, 2021Observed: 7.44 ft at 8:45PM Apr 08, 2021Observed: 7.45 ft at 9:00PM Apr 08, 2021Observed: 7.45 ft at 9:15PM Apr 08, 2021Observed: 7.45 ft at 9:30PM Apr 08, 2021Observed: 7.46 ft at 9:45PM Apr 08, 2021Observed: 7.47 ft at 10:00PM Apr 08, 2021Observed: 7.47 ft at 10:15PM Apr 08, 2021Observed: 7.48 ft at 10:30PM Apr 08, 2021Observed: 7.49 ft at 10:45PM Apr 08, 2021Observed: 7.5 ft at 11:00PM Apr 08, 2021Observed: 7.5 ft at 11:15PM Apr 08, 2021Observed: 7.52 ft at 11:30PM Apr 08, 2021Observed: 7.52 ft at 11:45PM Apr 08, 2021Observed: 7.53 ft at 12:00AM Apr 09, 2021Observed: 7.53 ft at 12:15AM Apr 09, 2021Observed: 7.54 ft at 12:30AM Apr 09, 2021Observed: 7.54 ft at 12:31AM Apr 09, 2021Observed: 7.55 ft at 12:45AM Apr 09, 2021Observed: 7.55 ft at 12:46AM Apr 09, 2021Observed: 7.54 ft at 1:00AM Apr 09, 2021Observed: 7.54 ft at 1:01AM Apr 09, 2021Observed: 7.55 ft at 1:15AM Apr 09, 2021Observed: 7.56 ft at 1:30AM Apr 09, 2021Observed: 7.56 ft at 1:45AM Apr 09, 2021Observed: 7.57 ft at 2:00AM Apr 09, 2021Observed: 7.58 ft at 2:15AM Apr 09, 2021Observed: 7.59 ft at 2:30AM Apr 09, 2021Observed: 7.61 ft at 2:45AM Apr 09, 2021Observed: 7.61 ft at 3:00AM Apr 09, 2021Observed: 7.62 ft at 3:15AM Apr 09, 2021Observed: 7.62 ft at 3:30AM Apr 09, 2021Observed: 7.63 ft at 3:45AM Apr 09, 2021Observed: 7.64 ft at 4:00AM Apr 09, 2021Observed: 7.64 ft at 4:15AM Apr 09, 2021Observed: 7.65 ft at 4:30AM Apr 09, 2021Observed: 7.66 ft at 4:45AM Apr 09, 2021Observed: 7.66 ft at 5:00AM Apr 09, 2021Observed: 7.67 ft at 5:15AM Apr 09, 2021Observed: 7.68 ft at 5:30AM Apr 09, 2021Observed: 7.69 ft at 5:45AM Apr 09, 2021Observed: 7.69 ft at 6:00AM Apr 09, 2021Observed: 7.7 ft at 6:15AM Apr 09, 2021Observed: 7.7 ft at 6:30AM Apr 09, 2021Observed: 7.71 ft at 6:45AM Apr 09, 2021Observed: 7.71 ft at 7:00AM Apr 09, 2021Observed: 7.72 ft at 7:15AM Apr 09, 2021Observed: 7.72 ft at 7:30AM Apr 09, 2021Observed: 7.74 ft at 7:45AM Apr 09, 2021Observed: 7.75 ft at 8:00AM Apr 09, 2021Observed: 7.75 ft at 8:15AM Apr 09, 2021Observed: 7.76 ft at 8:30AM Apr 09, 2021Observed: 7.76 ft at 8:31AM Apr 09, 2021Observed: 7.77 ft at 8:45AM Apr 09, 2021Observed: 7.77 ft at 8:46AM Apr 09, 2021Observed: 7.77 ft at 9:00AM Apr 09, 2021Observed: 7.77 ft at 9:01AM Apr 09, 2021Observed: 7.78 ft at 9:15AM Apr 09, 2021Observed: 7.79 ft at 9:30AM Apr 09, 2021Observed: 7.8 ft at 9:45AM Apr 09, 2021Observed: 7.78 ft at 10:00AM Apr 09, 2021Observed: 7.8 ft at 10:15AM Apr 09, 2021Observed: 7.8 ft at 10:30AM Apr 09, 2021Observed: 7.82 ft at 10:45AM Apr 09, 2021Observed: 7.79 ft at 11:00AM Apr 09, 2021Observed: 7.82 ft at 11:15AM Apr 09, 2021Observed: 7.84 ft at 11:30AM Apr 09, 2021Observed: 7.82 ft at 11:45AM Apr 09, 2021Observed: 7.84 ft at 12:00PM Apr 09, 2021Observed: 7.84 ft at 12:15PM Apr 09, 2021Observed: 7.84 ft at 12:30PM Apr 09, 2021Observed: 7.86 ft at 12:45PM Apr 09, 2021Observed: 7.86 ft at 1:00PM Apr 09, 2021Observed: 7.84 ft at 1:15PM Apr 09, 2021Observed: 7.87 ft at 1:30PM Apr 09, 2021Observed: 7.88 ft at 1:45PM Apr 09, 2021Observed: 7.89 ft at 2:00PM Apr 09, 2021Observed: 7.89 ft at 2:15PM Apr 09, 2021Observed: 7.9 ft at 2:30PM Apr 09, 2021Observed: 7.91 ft at 2:45PM Apr 09, 2021Observed: 7.91 ft at 3:00PM Apr 09, 2021Observed: 7.91 ft at 3:15PM Apr 09, 2021Observed: 7.91 ft at 3:30PM Apr 09, 2021Observed: 7.92 ft at 3:45PM Apr 09, 2021Observed: 7.92 ft at 4:00PM Apr 09, 2021Observed: 7.93 ft at 4:15PM Apr 09, 2021Observed: 7.93 ft at 4:30PM Apr 09, 2021Observed: 7.93 ft at 4:45PM Apr 09, 2021Observed: 7.93 ft at 4:46PM Apr 09, 2021Observed: 7.94 ft at 5:00PM Apr 09, 2021Observed: 7.94 ft at 5:01PM Apr 09, 2021Observed: 7.95 ft at 5:15PM Apr 09, 2021Observed: 7.95 ft at 5:16PM Apr 09, 2021Observed: 7.95 ft at 5:30PM Apr 09, 2021Observed: 7.95 ft at 5:45PM Apr 09, 2021Observed: 7.97 ft at 6:00PM Apr 09, 2021Observed: 7.97 ft at 6:15PM Apr 09, 2021Observed: 7.98 ft at 6:30PM Apr 09, 2021Observed: 7.98 ft at 6:45PM Apr 09, 2021Observed: 7.99 ft at 7:00PM Apr 09, 2021Observed: 7.99 ft at 7:15PM Apr 09, 2021Observed: 7.99 ft at 7:30PM Apr 09, 2021Observed: 7.99 ft at 7:45PM Apr 09, 2021Observed: 7.99 ft at 8:00PM Apr 09, 2021Observed: 8 ft at 8:15PM Apr 09, 2021Observed: 8 ft at 8:30PM Apr 09, 2021Observed: 8 ft at 8:45PM Apr 09, 2021Observed: 8.01 ft at 9:00PM Apr 09, 2021Observed: 8.01 ft at 9:15PM Apr 09, 2021Observed: 8.01 ft at 9:30PM Apr 09, 2021Observed: 8.02 ft at 9:45PM Apr 09, 2021Observed: 8.02 ft at 10:00PM Apr 09, 2021Observed: 8.02 ft at 10:15PM Apr 09, 2021Observed: 8.03 ft at 10:30PM Apr 09, 2021Observed: 8.03 ft at 10:45PM Apr 09, 2021Observed: 8.03 ft at 11:00PM Apr 09, 2021Observed: 8.04 ft at 11:15PM Apr 09, 2021Observed: 8.04 ft at 11:30PM Apr 09, 2021Observed: 8.04 ft at 11:45PM Apr 09, 2021Observed: 8.05 ft at 12:00AM Apr 10, 2021Observed: 8.05 ft at 12:15AM Apr 10, 2021Observed: 8.06 ft at 12:30AM Apr 10, 2021Observed: 8.07 ft at 12:45AM Apr 10, 2021Observed: 8.07 ft at 12:46AM Apr 10, 2021Observed: 8.08 ft at 1:00AM Apr 10, 2021Observed: 8.08 ft at 1:01AM Apr 10, 2021Observed: 8.08 ft at 1:15AM Apr 10, 2021Observed: 8.08 ft at 1:16AM Apr 10, 2021Observed: 8.09 ft at 1:30AM Apr 10, 2021Observed: 8.08 ft at 1:45AM Apr 10, 2021Observed: 8.09 ft at 2:00AM Apr 10, 2021Observed: 8.09 ft at 2:15AM Apr 10, 2021Observed: 8.1 ft at 2:30AM Apr 10, 2021Observed: 8.1 ft at 2:45AM Apr 10, 2021Observed: 8.11 ft at 3:00AM Apr 10, 2021Observed: 8.11 ft at 3:15AM Apr 10, 2021Observed: 8.11 ft at 3:30AM Apr 10, 2021Observed: 8.12 ft at 3:45AM Apr 10, 2021Observed: 8.13 ft at 4:00AM Apr 10, 2021Observed: 8.14 ft at 4:15AM Apr 10, 2021Observed: 8.15 ft at 4:30AM Apr 10, 2021Observed: 8.16 ft at 4:45AM Apr 10, 2021Observed: 8.17 ft at 5:00AM Apr 10, 2021Observed: 8.17 ft at 5:15AM Apr 10, 2021Observed: 8.17 ft at 5:30AM Apr 10, 2021Observed: 8.19 ft at 5:45AM Apr 10, 2021Observed: 8.2 ft at 6:00AM Apr 10, 2021Observed: 8.21 ft at 6:15AM Apr 10, 2021Observed: 8.22 ft at 6:30AM Apr 10, 2021Observed: 8.23 ft at 6:45AM Apr 10, 2021Observed: 8.24 ft at 7:00AM Apr 10, 2021Observed: 8.26 ft at 7:15AM Apr 10, 2021Observed: 8.27 ft at 7:30AM Apr 10, 2021Observed: 8.27 ft at 7:45AM Apr 10, 2021Observed: 8.29 ft at 8:00AM Apr 10, 2021Observed: 8.3 ft at 8:15AM Apr 10, 2021Observed: 8.31 ft at 8:30AM Apr 10, 2021Observed: 8.32 ft at 8:45AM Apr 10, 2021Observed: 8.32 ft at 8:46AM Apr 10, 2021Observed: 8.34 ft at 9:00AM Apr 10, 2021Observed: 8.34 ft at 9:01AM Apr 10, 2021Observed: 8.35 ft at 9:15AM Apr 10, 2021Observed: 8.35 ft at 9:16AM Apr 10, 2021Observed: 8.36 ft at 9:30AM Apr 10, 2021Observed: 8.38 ft at 9:45AM Apr 10, 2021Observed: 8.39 ft at 10:00AM Apr 10, 2021Observed: 8.4 ft at 10:15AM Apr 10, 2021Observed: 8.42 ft at 10:30AM Apr 10, 2021Observed: 8.43 ft at 10:45AM Apr 10, 2021Observed: 8.45 ft at 11:00AM Apr 10, 2021Observed: 8.47 ft at 11:15AM Apr 10, 2021Observed: 8.47 ft at 11:30AM Apr 10, 2021Observed: 8.49 ft at 11:45AM Apr 10, 2021Observed: 8.5 ft at 12:00PM Apr 10, 2021Observed: 8.52 ft at 12:15PM Apr 10, 2021Observed: 8.53 ft at 12:30PM Apr 10, 2021Observed: 8.55 ft at 12:45PM Apr 10, 2021Observed: 8.57 ft at 1:00PM Apr 10, 2021Observed: 8.56 ft at 1:15PM Apr 10, 2021Observed: 8.57 ft at 1:30PM Apr 10, 2021Observed: 8.62 ft at 1:45PM Apr 10, 2021Observed: 8.63 ft at 2:00PM Apr 10, 2021Observed: 8.65 ft at 2:15PM Apr 10, 2021Observed: 8.67 ft at 2:30PM Apr 10, 2021Observed: 8.68 ft at 2:45PM Apr 10, 2021Observed: 8.7 ft at 3:00PM Apr 10, 2021Observed: 8.72 ft at 3:15PM Apr 10, 2021Observed: 8.73 ft at 3:30PM Apr 10, 2021Observed: 8.75 ft at 3:45PM Apr 10, 2021Observed: 8.77 ft at 4:00PM Apr 10, 2021Observed: 8.79 ft at 4:15PM Apr 10, 2021Observed: 8.8 ft at 4:30PM Apr 10, 2021Observed: 8.82 ft at 4:45PM Apr 10, 2021Observed: 8.82 ft at 4:46PM Apr 10, 2021Observed: 8.83 ft at 5:00PM Apr 10, 2021Observed: 8.83 ft at 5:01PM Apr 10, 2021Observed: 8.83 ft at 5:15PM Apr 10, 2021Observed: 8.83 ft at 5:16PM Apr 10, 2021Observed: 8.85 ft at 5:30PM Apr 10, 2021Observed: 8.87 ft at 5:45PM Apr 10, 2021Observed: 8.88 ft at 6:00PM Apr 10, 2021Observed: 8.89 ft at 6:15PM Apr 10, 2021Observed: 8.89 ft at 6:30PM Apr 10, 2021Observed: 8.91 ft at 6:45PM Apr 10, 2021Observed: 8.92 ft at 7:00PM Apr 10, 2021Observed: 8.93 ft at 7:15PM Apr 10, 2021Observed: 8.92 ft at 7:30PM Apr 10, 2021Observed: 8.93 ft at 7:45PM Apr 10, 2021Observed: 8.94 ft at 8:00PM Apr 10, 2021Observed: 8.96 ft at 8:15PM Apr 10, 2021Observed: 8.95 ft at 8:30PM Apr 10, 2021Observed: 8.97 ft at 8:45PM Apr 10, 2021Observed: 8.98 ft at 9:00PM Apr 10, 2021Observed: 8.99 ft at 9:15PM Apr 10, 2021Observed: 9 ft at 9:30PM Apr 10, 2021Observed: 9.01 ft at 9:45PM Apr 10, 2021Observed: 9.02 ft at 10:00PM Apr 10, 2021Observed: 9.02 ft at 10:15PM Apr 10, 2021Observed: 9.03 ft at 10:30PM Apr 10, 2021Observed: 9.04 ft at 10:45PM Apr 10, 2021Observed: 9.04 ft at 11:00PM Apr 10, 2021Observed: 9.06 ft at 11:15PM Apr 10, 2021Observed: 9.06 ft at 11:30PM Apr 10, 2021Observed: 9.07 ft at 11:45PM Apr 10, 2021Observed: 9.07 ft at 12:00AM Apr 11, 2021Observed: 9.08 ft at 12:15AM Apr 11, 2021Observed: 9.08 ft at 12:30AM Apr 11, 2021Observed: 9.09 ft at 12:45AM Apr 11, 2021Observed: 9.09 ft at 12:46AM Apr 11, 2021Observed: 9.1 ft at 1:00AM Apr 11, 2021Observed: 9.1 ft at 1:01AM Apr 11, 2021Observed: 9.1 ft at 1:15AM Apr 11, 2021Observed: 9.1 ft at 1:16AM Apr 11, 2021Observed: 9.11 ft at 1:30AM Apr 11, 2021Observed: 9.11 ft at 1:45AM Apr 11, 2021Observed: 9.11 ft at 2:00AM Apr 11, 2021Observed: 9.12 ft at 2:15AM Apr 11, 2021Observed: 9.12 ft at 2:30AM Apr 11, 2021Observed: 9.13 ft at 2:45AM Apr 11, 2021Observed: 9.14 ft at 3:00AM Apr 11, 2021Observed: 9.14 ft at 3:15AM Apr 11, 2021Observed: 9.14 ft at 3:30AM Apr 11, 2021Observed: 9.15 ft at 3:45AM Apr 11, 2021Observed: 9.15 ft at 4:00AM Apr 11, 2021Observed: 9.16 ft at 4:15AM Apr 11, 2021Observed: 9.16 ft at 4:30AM Apr 11, 2021Observed: 9.17 ft at 4:45AM Apr 11, 2021Observed: 9.17 ft at 5:00AM Apr 11, 2021Observed: 9.17 ft at 5:15AM Apr 11, 2021Observed: 9.17 ft at 5:30AM Apr 11, 2021Observed: 9.17 ft at 5:45AM Apr 11, 2021Observed: 9.18 ft at 6:00AM Apr 11, 2021Observed: 9.17 ft at 6:15AM Apr 11, 2021Observed: 9.18 ft at 6:30AM Apr 11, 2021Observed: 9.19 ft at 6:45AM Apr 11, 2021Observed: 9.18 ft at 7:00AM Apr 11, 2021Observed: 9.19 ft at 7:15AM Apr 11, 2021Observed: 9.19 ft at 7:30AM Apr 11, 2021Observed: 9.18 ft at 7:45AM Apr 11, 2021Observed: 9.19 ft at 8:00AM Apr 11, 2021Observed: 9.2 ft at 8:15AM Apr 11, 2021Observed: 9.19 ft at 8:30AM Apr 11, 2021Observed: 9.2 ft at 8:45AM Apr 11, 2021Observed: 9.2 ft at 8:46AM Apr 11, 2021Observed: 9.2 ft at 9:00AM Apr 11, 2021Observed: 9.2 ft at 9:01AM Apr 11, 2021Observed: 9.2 ft at 9:15AM Apr 11, 2021Observed: 9.2 ft at 9:16AM Apr 11, 2021Observed: 9.2 ft at 9:30AM Apr 11, 2021Observed: 9.2 ft at 9:45AM Apr 11, 2021Observed: 9.19 ft at 10:00AM Apr 11, 2021Observed: 9.2 ft at 10:15AM Apr 11, 2021Observed: 9.21 ft at 10:30AM Apr 11, 2021Observed: 9.19 ft at 10:45AM Apr 11, 2021Observed: 9.2 ft at 11:00AM Apr 11, 2021Observed: 9.2 ft at 11:15AM Apr 11, 2021Observed: 9.21 ft at 11:30AM Apr 11, 2021Observed: 9.21 ft at 11:45AM Apr 11, 2021Observed: 9.21 ft at 12:00PM Apr 11, 2021Observed: 9.21 ft at 12:15PM Apr 11, 2021Observed: 9.21 ft at 12:30PM Apr 11, 2021Observed: 9.21 ft at 12:45PM Apr 11, 2021Observed: 9.22 ft at 1:00PM Apr 11, 2021Observed: 9.23 ft at 1:15PM Apr 11, 2021Observed: 9.24 ft at 1:30PM Apr 11, 2021Observed: 9.24 ft at 1:45PM Apr 11, 2021Observed: 9.24 ft at 2:00PM Apr 11, 2021Observed: 9.25 ft at 2:15PM Apr 11, 2021Observed: 9.25 ft at 2:30PM Apr 11, 2021Observed: 9.25 ft at 2:45PM Apr 11, 2021Observed: 9.25 ft at 3:00PM Apr 11, 2021Observed: 9.25 ft at 3:15PM Apr 11, 2021Observed: 9.24 ft at 3:30PM Apr 11, 2021Observed: 9.24 ft at 3:45PM Apr 11, 2021Observed: 9.25 ft at 4:00PM Apr 11, 2021Observed: 9.25 ft at 4:15PM Apr 11, 2021Observed: 9.25 ft at 4:30PM Apr 11, 2021Observed: 9.25 ft at 4:45PM Apr 11, 2021Observed: 9.25 ft at 4:46PM Apr 11, 2021Observed: 9.22 ft at 5:00PM Apr 11, 2021Observed: 9.22 ft at 5:01PM Apr 11, 2021Observed: 9.24 ft at 5:15PM Apr 11, 2021Observed: 9.24 ft at 5:16PM Apr 11, 2021Observed: 9.24 ft at 5:30PM Apr 11, 2021Observed: 9.24 ft at 5:45PM Apr 11, 2021Observed: 9.25 ft at 6:00PM Apr 11, 2021Observed: 9.24 ft at 6:15PM Apr 11, 2021Observed: 9.23 ft at 6:30PM Apr 11, 2021Observed: 9.2 ft at 6:45PM Apr 11, 2021Observed: 9.2 ft at 7:00PM Apr 11, 2021Observed: 9.19 ft at 7:15PM Apr 11, 2021Observed: 9.18 ft at 7:30PM Apr 11, 2021Observed: 9.19 ft at 7:45PM Apr 11, 2021Observed: 9.2 ft at 8:00PM Apr 11, 2021Observed: 9.2 ft at 8:15PM Apr 11, 2021Observed: 9.2 ft at 8:30PM Apr 11, 2021Observed: 9.2 ft at 8:45PM Apr 11, 2021Observed: 9.21 ft at 9:00PM Apr 11, 2021Observed: 9.21 ft at 9:15PM Apr 11, 2021Observed: 9.21 ft at 9:30PM Apr 11, 2021Observed: 9.21 ft at 9:45PM Apr 11, 2021Observed: 9.2 ft at 10:00PM Apr 11, 2021Observed: 9.21 ft at 10:15PM Apr 11, 2021Observed: 9.21 ft at 10:30PM Apr 11, 2021Observed: 9.21 ft at 10:45PM Apr 11, 2021Observed: 9.21 ft at 11:00PM Apr 11, 2021Observed: 9.22 ft at 11:15PM Apr 11, 2021Observed: 9.22 ft at 11:30PM Apr 11, 2021Observed: 9.21 ft at 11:45PM Apr 11, 2021Observed: 9.21 ft at 12:00AM Apr 12, 2021Observed: 9.21 ft at 12:15AM Apr 12, 2021Observed: 9.2 ft at 12:30AM Apr 12, 2021Observed: 9.21 ft at 12:45AM Apr 12, 2021Observed: 9.21 ft at 12:46AM Apr 12, 2021Observed: 9.21 ft at 1:00AM Apr 12, 2021Observed: 9.21 ft at 1:01AM Apr 12, 2021Observed: 9.2 ft at 1:15AM Apr 12, 2021Observed: 9.2 ft at 1:16AM Apr 12, 2021Observed: 9.17 ft at 1:30AM Apr 12, 2021Observed: 9.19 ft at 1:45AM Apr 12, 2021Observed: 9.18 ft at 2:00AM Apr 12, 2021Observed: 9.2 ft at 2:15AM Apr 12, 2021Observed: 9.19 ft at 2:30AM Apr 12, 2021Observed: 9.2 ft at 2:45AM Apr 12, 2021Observed: 9.19 ft at 3:00AM Apr 12, 2021Observed: 9.2 ft at 3:15AM Apr 12, 2021Observed: 9.19 ft at 3:30AM Apr 12, 2021Observed: 9.2 ft at 3:45AM Apr 12, 2021Observed: 9.2 ft at 4:00AM Apr 12, 2021Observed: 9.2 ft at 4:15AM Apr 12, 2021Observed: 9.19 ft at 4:30AM Apr 12, 2021Observed: 9.19 ft at 4:45AM Apr 12, 2021Observed: 9.19 ft at 5:00AM Apr 12, 2021Observed: 9.2 ft at 5:15AM Apr 12, 2021Observed: 9.19 ft at 5:30AM Apr 12, 2021Observed: 9.19 ft at 5:45AM Apr 12, 2021Observed: 9.18 ft at 6:00AM Apr 12, 2021Observed: 9.18 ft at 6:15AM Apr 12, 2021Observed: 9.19 ft at 6:30AM Apr 12, 2021Observed: 9.19 ft at 6:45AM Apr 12, 2021Observed: 9.19 ft at 7:00AM Apr 12, 2021Observed: 9.19 ft at 7:15AM Apr 12, 2021Observed: 9.19 ft at 7:30AM Apr 12, 2021Observed: 9.19 ft at 7:45AM Apr 12, 2021Observed: 9.19 ft at 8:00AM Apr 12, 2021Observed: 9.19 ft at 8:15AM Apr 12, 2021Observed: 9.19 ft at 8:30AM Apr 12, 2021Observed: 9.17 ft at 8:45AM Apr 12, 2021Observed: 9.17 ft at 8:46AM Apr 12, 2021Observed: 9.19 ft at 9:00AM Apr 12, 2021Observed: 9.19 ft at 9:01AM Apr 12, 2021Observed: 9.2 ft at 9:15AM Apr 12, 2021Observed: 9.2 ft at 9:16AM Apr 12, 2021Observed: 9.18 ft at 9:30AM Apr 12, 2021Observed: 9.18 ft at 9:45AM Apr 12, 2021Observed: 9.17 ft at 10:00AM Apr 12, 2021Observed: 9.17 ft at 10:15AM Apr 12, 2021Observed: 9.19 ft at 10:30AM Apr 12, 2021Observed: 9.17 ft at 10:45AM Apr 12, 2021Observed: 9.18 ft at 11:00AM Apr 12, 2021Observed: 9.18 ft at 11:15AM Apr 12, 2021Observed: 9.2 ft at 11:30AM Apr 12, 2021Observed: 9.18 ft at 11:45AM Apr 12, 2021Observed: 9.18 ft at 12:00PM Apr 12, 2021Observed: 9.2 ft at 12:15PM Apr 12, 2021Observed: 9.19 ft at 12:30PM Apr 12, 2021Observed: 9.2 ft at 12:45PM Apr 12, 2021Observed: 9.19 ft at 1:00PM Apr 12, 2021Observed: 9.18 ft at 1:15PM Apr 12, 2021Observed: 9.21 ft at 1:30PM Apr 12, 2021Observed: 9.19 ft at 1:45PM Apr 12, 2021Observed: 9.2 ft at 2:00PM Apr 12, 2021Observed: 9.18 ft at 2:15PM Apr 12, 2021Observed: 9.21 ft at 2:30PM Apr 12, 2021Observed: 9.22 ft at 2:45PM Apr 12, 2021Observed: 9.21 ft at 3:00PM Apr 12, 2021Observed: 9.19 ft at 3:15PM Apr 12, 2021Observed: 9.2 ft at 3:30PM Apr 12, 2021Observed: 9.19 ft at 3:45PM Apr 12, 2021Observed: 9.19 ft at 4:00PM Apr 12, 2021Observed: 9.2 ft at 4:15PM Apr 12, 2021Observed: 9.2 ft at 4:30PM Apr 12, 2021Observed: 9.21 ft at 4:45PM Apr 12, 2021Observed: 9.21 ft at 4:46PM Apr 12, 2021Observed: 9.2 ft at 5:00PM Apr 12, 2021Observed: 9.2 ft at 5:01PM Apr 12, 2021Observed: 9.2 ft at 5:15PM Apr 12, 2021Observed: 9.2 ft at 5:16PM Apr 12, 2021Observed: 9.2 ft at 5:30PM Apr 12, 2021Observed: 9.21 ft at 5:45PM Apr 12, 2021Observed: 9.21 ft at 6:00PM Apr 12, 2021Observed: 9.23 ft at 6:15PM Apr 12, 2021Observed: 9.23 ft at 6:30PM Apr 12, 2021Observed: 9.24 ft at 6:45PM Apr 12, 2021Observed: 9.22 ft at 7:00PM Apr 12, 2021Observed: 9.22 ft at 7:15PM Apr 12, 2021Observed: 9.24 ft at 7:30PM Apr 12, 2021Observed: 9.24 ft at 7:45PM Apr 12, 2021Observed: 9.23 ft at 8:00PM Apr 12, 2021Observed: 9.24 ft at 8:15PM Apr 12, 2021Observed: 9.25 ft at 8:30PM Apr 12, 2021Observed: 9.24 ft at 8:45PM Apr 12, 2021Observed: 9.25 ft at 9:00PM Apr 12, 2021Observed: 9.26 ft at 9:15PM Apr 12, 2021Observed: 9.25 ft at 9:30PM Apr 12, 2021Observed: 9.25 ft at 9:45PM Apr 12, 2021Observed: 9.26 ft at 10:00PM Apr 12, 2021Observed: 9.26 ft at 10:15PM Apr 12, 2021Observed: 9.26 ft at 10:30PM Apr 12, 2021Observed: 9.25 ft at 10:45PM Apr 12, 2021Observed: 9.26 ft at 11:00PM Apr 12, 2021Observed: 9.25 ft at 11:15PM Apr 12, 2021Observed: 9.26 ft at 11:30PM Apr 12, 2021Observed: 9.25 ft at 11:45PM Apr 12, 2021Observed: 9.26 ft at 12:00AM Apr 13, 2021Observed: 9.26 ft at 12:15AM Apr 13, 2021Observed: 9.27 ft at 12:30AM Apr 13, 2021Observed: 9.27 ft at 12:45AM Apr 13, 2021Observed: 9.27 ft at 12:46AM Apr 13, 2021Observed: 9.28 ft at 1:00AM Apr 13, 2021Observed: 9.28 ft at 1:01AM Apr 13, 2021Observed: 9.27 ft at 1:15AM Apr 13, 2021Observed: 9.27 ft at 1:16AM Apr 13, 2021Observed: 9.27 ft at 1:30AM Apr 13, 2021Observed: 9.27 ft at 1:45AM Apr 13, 2021Observed: 9.27 ft at 2:00AM Apr 13, 2021Observed: 9.27 ft at 2:15AM Apr 13, 2021Observed: 9.28 ft at 2:30AM Apr 13, 2021Observed: 9.27 ft at 2:45AM Apr 13, 2021Observed: 9.27 ft at 3:00AM Apr 13, 2021Observed: 9.28 ft at 3:15AM Apr 13, 2021Observed: 9.28 ft at 3:30AM Apr 13, 2021Observed: 9.28 ft at 3:45AM Apr 13, 2021Observed: 9.29 ft at 4:00AM Apr 13, 2021Observed: 9.28 ft at 4:15AM Apr 13, 2021Observed: 9.28 ft at 4:30AM Apr 13, 2021Observed: 9.27 ft at 4:45AM Apr 13, 2021Observed: 9.28 ft at 5:00AM Apr 13, 2021Observed: 9.29 ft at 5:15AM Apr 13, 2021Observed: 9.28 ft at 5:30AM Apr 13, 2021Observed: 9.29 ft at 5:45AM Apr 13, 2021Observed: 9.27 ft at 6:00AM Apr 13, 2021Observed: 9.27 ft at 6:15AM Apr 13, 2021Observed: 9.27 ft at 6:30AM Apr 13, 2021Observed: 9.28 ft at 6:45AM Apr 13, 2021Observed: 9.27 ft at 7:00AM Apr 13, 2021Observed: 9.27 ft at 7:15AM Apr 13, 2021Observed: 9.26 ft at 7:30AM Apr 13, 2021Observed: 9.27 ft at 7:45AM Apr 13, 2021Observed: 9.26 ft at 8:00AM Apr 13, 2021Observed: 9.26 ft at 8:15AM Apr 13, 2021Observed: 9.27 ft at 8:30AM Apr 13, 2021Observed: 9.26 ft at 8:45AM Apr 13, 2021Observed: 9.27 ft at 9:00AM Apr 13, 2021Observed: 9.27 ft at 9:01AM Apr 13, 2021Observed: 9.29 ft at 9:15AM Apr 13, 2021Observed: 9.29 ft at 9:16AM Apr 13, 2021Observed: 9.28 ft at 9:30AM Apr 13, 2021Observed: 9.28 ft at 9:31AM Apr 13, 2021Observed: 9.28 ft at 9:45AM Apr 13, 2021Observed: 9.28 ft at 10:00AM Apr 13, 2021Observed: 9.27 ft at 10:15AM Apr 13, 2021Observed: 9.29 ft at 10:30AM Apr 13, 2021Observed: 9.29 ft at 10:45AM Apr 13, 2021Observed: 9.27 ft at 11:00AM Apr 13, 2021Observed: 9.27 ft at 11:15AM Apr 13, 2021Observed: 9.28 ft at 11:30AM Apr 13, 2021Observed: 9.27 ft at 11:45AM Apr 13, 2021Observed: 9.3 ft at 12:00PM Apr 13, 2021Observed: 9.3 ft at 12:15PM Apr 13, 2021Observed: 9.29 ft at 12:30PM Apr 13, 2021Observed: 9.27 ft at 12:45PM Apr 13, 2021Observed: 9.29 ft at 1:00PM Apr 13, 2021Observed: 9.28 ft at 1:15PM Apr 13, 2021Observed: 9.3 ft at 1:30PM Apr 13, 2021Observed: 9.3 ft at 1:45PM Apr 13, 2021Observed: 9.29 ft at 2:00PM Apr 13, 2021Observed: 9.29 ft at 2:15PM Apr 13, 2021Observed: 9.28 ft at 2:30PM Apr 13, 2021Observed: 9.27 ft at 2:45PM Apr 13, 2021Observed: 9.27 ft at 3:00PM Apr 13, 2021Observed: 9.27 ft at 3:15PM Apr 13, 2021Observed: 9.28 ft at 3:30PM Apr 13, 2021Observed: 9.3 ft at 3:45PM Apr 13, 2021Observed: 9.29 ft at 4:00PM Apr 13, 2021Observed: 9.28 ft at 4:15PM Apr 13, 2021Observed: 9.31 ft at 4:30PM Apr 13, 2021Observed: 9.3 ft at 4:45PM Apr 13, 2021Observed: 9.29 ft at 5:00PM Apr 13, 2021Observed: 9.29 ft at 5:01PM Apr 13, 2021Observed: 9.3 ft at 5:15PM Apr 13, 2021Observed: 9.3 ft at 5:16PM Apr 13, 2021Observed: 9.3 ft at 5:30PM Apr 13, 2021Observed: 9.3 ft at 5:31PM Apr 13, 2021Observed: 9.3 ft at 5:45PM Apr 13, 2021Observed: 9.3 ft at 6:00PM Apr 13, 2021Observed: 9.3 ft at 6:15PM Apr 13, 2021Observed: 9.31 ft at 6:30PM Apr 13, 2021Observed: 9.3 ft at 6:45PM Apr 13, 2021Observed: 9.3 ft at 7:00PM Apr 13, 2021Observed: 9.3 ft at 7:15PM Apr 13, 2021Observed: 9.31 ft at 7:30PM Apr 13, 2021Observed: 9.32 ft at 7:45PM Apr 13, 2021Observed: 9.31 ft at 8:00PM Apr 13, 2021Observed: 9.31 ft at 8:15PM Apr 13, 2021Observed: 9.31 ft at 8:30PM Apr 13, 2021Observed: 9.31 ft at 8:45PM Apr 13, 2021Highest Observation: 9.33 ft at 9:00PM Apr 13, 2021Observed: 9.32 ft at 9:15PM Apr 13, 2021Observed: 9.32 ft at 9:30PM Apr 13, 2021Observed: 9.32 ft at 9:45PM Apr 13, 2021Observed: 9.31 ft at 10:00PM Apr 13, 2021Observed: 9.32 ft at 10:15PM Apr 13, 2021Observed: 9.31 ft at 10:30PM Apr 13, 2021Observed: 9.32 ft at 10:45PM Apr 13, 2021Observed: 9.32 ft at 11:00PM Apr 13, 2021Observed: 9.31 ft at 11:15PM Apr 13, 2021Observed: 9.31 ft at 11:30PM Apr 13, 2021Observed: 9.31 ft at 11:45PM Apr 13, 2021Observed: 9.31 ft at 12:00AM Apr 14, 2021Observed: 9.31 ft at 12:15AM Apr 14, 2021Observed: 9.31 ft at 12:30AM Apr 14, 2021Observed: 9.3 ft at 12:45AM Apr 14, 2021Observed: 9.31 ft at 1:00AM Apr 14, 2021Observed: 9.31 ft at 1:01AM Apr 14, 2021Observed: 9.31 ft at 1:15AM Apr 14, 2021Observed: 9.31 ft at 1:16AM Apr 14, 2021Observed: 9.3 ft at 1:30AM Apr 14, 2021Observed: 9.3 ft at 1:31AM Apr 14, 2021Observed: 9.31 ft at 1:45AM Apr 14, 2021Observed: 9.31 ft at 2:00AM Apr 14, 2021Observed: 9.3 ft at 2:15AM Apr 14, 2021Observed: 9.31 ft at 2:30AM Apr 14, 2021Observed: 9.31 ft at 2:45AM Apr 14, 2021Observed: 9.3 ft at 3:00AM Apr 14, 2021Observed: 9.3 ft at 3:15AM Apr 14, 2021Observed: 9.3 ft at 3:30AM Apr 14, 2021Observed: 9.3 ft at 3:45AM Apr 14, 2021Observed: 9.3 ft at 4:00AM Apr 14, 2021Observed: 9.3 ft at 4:15AM Apr 14, 2021Observed: 9.3 ft at 4:30AM Apr 14, 2021Observed: 9.3 ft at 4:45AM Apr 14, 2021Observed: 9.3 ft at 5:00AM Apr 14, 2021Observed: 9.29 ft at 5:15AM Apr 14, 2021Observed: 9.3 ft at 5:30AM Apr 14, 2021Observed: 9.3 ft at 5:45AM Apr 14, 2021Observed: 9.3 ft at 6:00AM Apr 14, 2021Observed: 9.29 ft at 6:15AM Apr 14, 2021Observed: 9.3 ft at 6:30AM Apr 14, 2021Observed: 9.3 ft at 6:45AM Apr 14, 2021Observed: 9.3 ft at 7:00AM Apr 14, 2021Observed: 9.29 ft at 7:15AM Apr 14, 2021Observed: 9.29 ft at 7:30AM Apr 14, 2021Observed: 9.28 ft at 7:45AM Apr 14, 2021Observed: 9.28 ft at 8:00AM Apr 14, 2021Observed: 9.27 ft at 8:15AM Apr 14, 2021Observed: 9.28 ft at 8:30AM Apr 14, 2021Observed: 9.28 ft at 8:45AM Apr 14, 2021Observed: 9.28 ft at 9:00AM Apr 14, 2021Observed: 9.28 ft at 9:01AM Apr 14, 2021Observed: 9.28 ft at 9:15AM Apr 14, 2021Observed: 9.28 ft at 9:16AM Apr 14, 2021Observed: 9.26 ft at 9:30AM Apr 14, 2021Observed: 9.26 ft at 9:31AM Apr 14, 2021Observed: 9.28 ft at 9:45AM Apr 14, 2021Observed: 9.27 ft at 10:00AM Apr 14, 2021Observed: 9.27 ft at 10:15AM Apr 14, 2021Observed: 9.27 ft at 10:30AM Apr 14, 2021Observed: 9.27 ft at 10:45AM Apr 14, 2021Observed: 9.27 ft at 11:00AM Apr 14, 2021Observed: 9.26 ft at 11:15AM Apr 14, 2021Observed: 9.26 ft at 11:30AM Apr 14, 2021Observed: 9.26 ft at 11:45AM Apr 14, 2021Observed: 9.26 ft at 12:00PM Apr 14, 2021Observed: 9.26 ft at 12:15PM Apr 14, 2021Observed: 9.25 ft at 12:30PM Apr 14, 2021Observed: 9.26 ft at 12:45PM Apr 14, 2021Observed: 9.26 ft at 1:00PM Apr 14, 2021Observed: 9.26 ft at 1:15PM Apr 14, 2021Observed: 9.25 ft at 1:30PM Apr 14, 2021Observed: 9.25 ft at 1:45PM Apr 14, 2021Observed: 9.24 ft at 2:00PM Apr 14, 2021Observed: 9.25 ft at 2:15PM Apr 14, 2021Observed: 9.25 ft at 2:30PM Apr 14, 2021Observed: 9.24 ft at 2:45PM Apr 14, 2021Observed: 9.24 ft at 3:00PM Apr 14, 2021Observed: 9.23 ft at 3:15PM Apr 14, 2021Observed: 9.24 ft at 3:30PM Apr 14, 2021Observed: 9.25 ft at 3:45PM Apr 14, 2021Observed: 9.25 ft at 4:00PM Apr 14, 2021Observed: 9.24 ft at 4:15PM Apr 14, 2021Observed: 9.23 ft at 4:30PM Apr 14, 2021Observed: 9.24 ft at 4:45PM Apr 14, 2021Observed: 9.24 ft at 5:00PM Apr 14, 2021Observed: 9.24 ft at 5:01PM Apr 14, 2021Observed: 9.24 ft at 5:15PM Apr 14, 2021Observed: 9.24 ft at 5:16PM Apr 14, 2021Observed: 9.23 ft at 5:30PM Apr 14, 2021Observed: 9.23 ft at 5:31PM Apr 14, 2021Observed: 9.23 ft at 5:45PM Apr 14, 2021Observed: 9.23 ft at 6:00PM Apr 14, 2021Observed: 9.23 ft at 6:15PM Apr 14, 2021Observed: 9.23 ft at 6:30PM Apr 14, 2021Observed: 9.23 ft at 6:45PM Apr 14, 2021Observed: 9.23 ft at 7:00PM Apr 14, 2021Observed: 9.23 ft at 7:15PM Apr 14, 2021Observed: 9.23 ft at 7:30PM Apr 14, 2021Observed: 9.22 ft at 7:45PM Apr 14, 2021Observed: 9.22 ft at 8:00PM Apr 14, 2021Observed: 9.22 ft at 8:15PM Apr 14, 2021Observed: 9.22 ft at 8:30PM Apr 14, 2021Observed: 9.21 ft at 8:45PM Apr 14, 2021Observed: 9.22 ft at 9:00PM Apr 14, 2021Observed: 9.22 ft at 9:15PM Apr 14, 2021Observed: 9.22 ft at 9:30PM Apr 14, 2021Observed: 9.22 ft at 9:45PM Apr 14, 2021Observed: 9.22 ft at 10:00PM Apr 14, 2021Observed: 9.22 ft at 10:15PM Apr 14, 2021Observed: 9.22 ft at 10:30PM Apr 14, 2021Observed: 9.21 ft at 10:45PM Apr 14, 2021Observed: 9.21 ft at 11:00PM Apr 14, 2021Observed: 9.21 ft at 11:15PM Apr 14, 2021Observed: 9.21 ft at 11:30PM Apr 14, 2021Observed: 9.21 ft at 11:45PM Apr 14, 2021Observed: 9.21 ft at 12:00AM Apr 15, 2021Observed: 9.21 ft at 12:15AM Apr 15, 2021Observed: 9.21 ft at 12:30AM Apr 15, 2021Observed: 9.21 ft at 12:45AM Apr 15, 2021Observed: 9.21 ft at 1:00AM Apr 15, 2021Observed: 9.21 ft at 1:01AM Apr 15, 2021Observed: 9.2 ft at 1:15AM Apr 15, 2021Observed: 9.2 ft at 1:16AM Apr 15, 2021Observed: 9.2 ft at 1:30AM Apr 15, 2021Observed: 9.2 ft at 1:31AM Apr 15, 2021Observed: 9.2 ft at 1:45AM Apr 15, 2021Observed: 9.2 ft at 2:00AM Apr 15, 2021Observed: 9.2 ft at 2:15AM Apr 15, 2021Observed: 9.2 ft at 2:30AM Apr 15, 2021Observed: 9.2 ft at 2:45AM Apr 15, 2021Observed: 9.2 ft at 3:00AM Apr 15, 2021Observed: 9.2 ft at 3:15AM Apr 15, 2021Observed: 9.19 ft at 3:30AM Apr 15, 2021Observed: 9.19 ft at 3:45AM Apr 15, 2021Observed: 9.19 ft at 4:00AM Apr 15, 2021Observed: 9.19 ft at 4:15AM Apr 15, 2021Observed: 9.19 ft at 4:30AM Apr 15, 2021Observed: 9.19 ft at 4:45AM Apr 15, 2021Observed: 9.19 ft at 5:00AM Apr 15, 2021Observed: 9.19 ft at 5:15AM Apr 15, 2021Observed: 9.18 ft at 5:30AM Apr 15, 2021Observed: 9.18 ft at 5:45AM Apr 15, 2021Observed: 9.18 ft at 6:00AM Apr 15, 2021Observed: 9.18 ft at 6:15AM Apr 15, 2021Observed: 9.18 ft at 6:30AM Apr 15, 2021Observed: 9.18 ft at 6:45AM Apr 15, 2021Observed: 9.17 ft at 7:00AM Apr 15, 2021Observed: 9.17 ft at 7:15AM Apr 15, 2021Observed: 9.17 ft at 7:30AM Apr 15, 2021Observed: 9.17 ft at 7:45AM Apr 15, 2021Observed: 9.17 ft at 8:00AM Apr 15, 2021Observed: 9.17 ft at 8:15AM Apr 15, 2021Observed: 9.17 ft at 8:30AM Apr 15, 2021Observed: 9.16 ft at 8:45AM Apr 15, 2021Observed: 9.17 ft at 9:00AM Apr 15, 2021Observed: 9.17 ft at 9:01AM Apr 15, 2021Observed: 9.16 ft at 9:15AM Apr 15, 2021Observed: 9.16 ft at 9:16AM Apr 15, 2021Observed: 9.15 ft at 9:30AM Apr 15, 2021Observed: 9.15 ft at 9:31AM Apr 15, 2021Observed: 9.16 ft at 9:45AM Apr 15, 2021Observed: 9.15 ft at 10:00AM Apr 15, 2021Observed: 9.15 ft at 10:15AM Apr 15, 2021Observed: 9.15 ft at 10:30AM Apr 15, 2021Observed: 9.15 ft at 10:45AM Apr 15, 2021Observed: 9.15 ft at 11:00AM Apr 15, 2021Observed: 9.15 ft at 11:15AM Apr 15, 2021Observed: 9.15 ft at 11:30AM Apr 15, 2021Observed: 9.15 ft at 11:45AM Apr 15, 2021Observed: 9.14 ft at 12:00PM Apr 15, 2021Observed: 9.13 ft at 12:15PM Apr 15, 2021Observed: 9.14 ft at 12:30PM Apr 15, 2021Observed: 9.13 ft at 12:45PM Apr 15, 2021Observed: 9.12 ft at 1:00PM Apr 15, 2021Observed: 9.13 ft at 1:15PM Apr 15, 2021Observed: 9.13 ft at 1:30PM Apr 15, 2021Observed: 9.13 ft at 1:45PM Apr 15, 2021Observed: 9.12 ft at 2:00PM Apr 15, 2021Observed: 9.12 ft at 2:15PM Apr 15, 2021Observed: 9.12 ft at 2:30PM Apr 15, 2021Observed: 9.13 ft at 2:45PM Apr 15, 2021Observed: 9.11 ft at 3:00PM Apr 15, 2021Observed: 9.11 ft at 3:15PM Apr 15, 2021Observed: 9.11 ft at 3:30PM Apr 15, 2021Observed: 9.11 ft at 3:45PM Apr 15, 2021Observed: 9.11 ft at 4:00PM Apr 15, 2021Observed: 9.11 ft at 4:15PM Apr 15, 2021Observed: 9.11 ft at 4:30PM Apr 15, 2021Observed: 9.11 ft at 4:45PM Apr 15, 2021Observed: 9.11 ft at 5:00PM Apr 15, 2021Observed: 9.11 ft at 5:01PM Apr 15, 2021Observed: 9.1 ft at 5:15PM Apr 15, 2021Observed: 9.1 ft at 5:16PM Apr 15, 2021Observed: 9.1 ft at 5:30PM Apr 15, 2021Observed: 9.1 ft at 5:31PM Apr 15, 2021Observed: 9.11 ft at 5:45PM Apr 15, 2021Observed: 9.1 ft at 6:00PM Apr 15, 2021Observed: 9.09 ft at 6:15PM Apr 15, 2021Observed: 9.1 ft at 6:30PM Apr 15, 2021Observed: 9.1 ft at 6:45PM Apr 15, 2021Observed: 9.1 ft at 7:00PM Apr 15, 2021Observed: 9.1 ft at 7:15PM Apr 15, 2021Observed: 9.1 ft at 7:30PM Apr 15, 2021Observed: 9.1 ft at 7:45PM Apr 15, 2021Observed: 9.1 ft at 8:00PM Apr 15, 2021Observed: 9.09 ft at 8:15PM Apr 15, 2021Observed: 9.1 ft at 8:30PM Apr 15, 2021Observed: 9.09 ft at 8:45PM Apr 15, 2021Observed: 9.09 ft at 9:00PM Apr 15, 2021Observed: 9.09 ft at 9:15PM Apr 15, 2021Observed: 9.08 ft at 9:30PM Apr 15, 2021Observed: 9.08 ft at 9:45PM Apr 15, 2021Observed: 9.08 ft at 10:00PM Apr 15, 2021Observed: 9.07 ft at 10:15PM Apr 15, 2021Observed: 9.06 ft at 10:30PM Apr 15, 2021Observed: 9.07 ft at 10:45PM Apr 15, 2021Observed: 9.06 ft at 11:00PM Apr 15, 2021Observed: 9.07 ft at 11:15PM Apr 15, 2021Observed: 9.06 ft at 11:30PM Apr 15, 2021Observed: 9.07 ft at 11:45PM Apr 15, 2021Observed: 9.06 ft at 12:00AM Apr 16, 2021Observed: 9.07 ft at 12:15AM Apr 16, 2021Observed: 9.06 ft at 12:30AM Apr 16, 2021Observed: 9.06 ft at 12:45AM Apr 16, 2021Observed: 9.06 ft at 1:00AM Apr 16, 2021Observed: 9.06 ft at 1:01AM Apr 16, 2021Observed: 9.06 ft at 1:15AM Apr 16, 2021Observed: 9.06 ft at 1:16AM Apr 16, 2021Observed: 9.05 ft at 1:30AM Apr 16, 2021Observed: 9.05 ft at 1:31AM Apr 16, 2021Observed: 9.05 ft at 1:45AM Apr 16, 2021Observed: 9.05 ft at 2:00AM Apr 16, 2021Observed: 9.04 ft at 2:15AM Apr 16, 2021Observed: 9.05 ft at 2:30AM Apr 16, 2021Observed: 9.05 ft at 2:45AM Apr 16, 2021Observed: 9.04 ft at 3:00AM Apr 16, 2021Observed: 9.05 ft at 3:15AM Apr 16, 2021Observed: 9.04 ft at 3:30AM Apr 16, 2021Observed: 9.04 ft at 3:45AM Apr 16, 2021Observed: 9.04 ft at 4:00AM Apr 16, 2021Observed: 9.03 ft at 4:15AM Apr 16, 2021Observed: 9.03 ft at 4:30AM Apr 16, 2021Observed: 9.03 ft at 4:45AM Apr 16, 2021Observed: 9.03 ft at 5:00AM Apr 16, 2021Observed: 9.03 ft at 5:15AM Apr 16, 2021Observed: 9.03 ft at 5:30AM Apr 16, 2021Observed: 9.03 ft at 5:45AM Apr 16, 2021Observed: 9.03 ft at 6:00AM Apr 16, 2021Observed: 9.03 ft at 6:15AM Apr 16, 2021Observed: 9.03 ft at 6:30AM Apr 16, 2021Observed: 9.02 ft at 6:45AM Apr 16, 2021Observed: 9.02 ft at 7:00AM Apr 16, 2021Observed: 9.02 ft at 7:15AM Apr 16, 2021Observed: 9.02 ft at 7:30AM Apr 16, 2021Observed: 9.02 ft at 7:45AM Apr 16, 2021Observed: 9.01 ft at 8:00AM Apr 16, 2021Observed: 9.01 ft at 8:15AM Apr 16, 2021Observed: 9 ft at 8:30AM Apr 16, 2021Observed: 9.01 ft at 8:45AM Apr 16, 2021Observed: 9 ft at 9:00AM Apr 16, 2021Observed: 9 ft at 9:15AM Apr 16, 2021Observed: 8.98 ft at 12:15PM Apr 16, 2021Observed: 8.98 ft at 12:30PM Apr 16, 2021Observed: 8.98 ft at 12:45PM Apr 16, 2021Observed: 8.98 ft at 1:00PM Apr 16, 2021Observed: 8.97 ft at 1:15PM Apr 16, 2021Observed: 8.97 ft at 1:30PM Apr 16, 2021Observed: 8.97 ft at 1:45PM Apr 16, 2021Observed: 8.97 ft at 2:00PM Apr 16, 2021Observed: 8.96 ft at 2:15PM Apr 16, 2021Observed: 8.96 ft at 2:30PM Apr 16, 2021Observed: 8.97 ft at 2:45PM Apr 16, 2021Observed: 8.96 ft at 3:00PM Apr 16, 2021Observed: 8.95 ft at 3:15PM Apr 16, 2021Observed: 8.95 ft at 3:30PM Apr 16, 2021Observed: 8.95 ft at 3:45PM Apr 16, 2021Observed: 8.95 ft at 4:00PM Apr 16, 2021Observed: 8.95 ft at 4:15PM Apr 16, 2021Observed: 8.95 ft at 4:30PM Apr 16, 2021Observed: 8.95 ft at 4:45PM Apr 16, 2021Observed: 8.94 ft at 5:00PM Apr 16, 2021Observed: 8.95 ft at 5:15PM Apr 16, 2021Observed: 8.95 ft at 5:16PM Apr 16, 2021Observed: 8.94 ft at 5:30PM Apr 16, 2021Observed: 8.94 ft at 5:31PM Apr 16, 2021Observed: 8.94 ft at 5:45PM Apr 16, 2021Observed: 8.94 ft at 5:46PM Apr 16, 2021Observed: 8.93 ft at 6:00PM Apr 16, 2021Observed: 8.93 ft at 6:15PM Apr 16, 2021Observed: 8.92 ft at 6:30PM Apr 16, 2021Observed: 8.92 ft at 6:45PM Apr 16, 2021Observed: 8.93 ft at 7:00PM Apr 16, 2021Observed: 8.91 ft at 7:15PM Apr 16, 2021Observed: 8.91 ft at 7:30PM Apr 16, 2021Observed: 8.92 ft at 7:45PM Apr 16, 2021Observed: 8.92 ft at 8:00PM Apr 16, 2021Observed: 8.92 ft at 8:15PM Apr 16, 2021Observed: 8.92 ft at 8:30PM Apr 16, 2021Observed: 8.91 ft at 8:45PM Apr 16, 2021Observed: 8.91 ft at 9:00PM Apr 16, 2021Observed: 8.91 ft at 9:15PM Apr 16, 2021Observed: 8.9 ft at 9:30PM Apr 16, 2021Observed: 8.91 ft at 9:45PM Apr 16, 2021Observed: 8.9 ft at 10:00PM Apr 16, 2021Observed: 8.89 ft at 10:15PM Apr 16, 2021Observed: 8.89 ft at 10:30PM Apr 16, 2021Observed: 8.89 ft at 10:45PM Apr 16, 2021Observed: 8.89 ft at 11:00PM Apr 16, 2021Observed: 8.87 ft at 11:15PM Apr 16, 2021Observed: 8.88 ft at 11:30PM Apr 16, 2021Observed: 8.88 ft at 11:45PM Apr 16, 2021Observed: 8.88 ft at 12:00AM Apr 17, 2021Observed: 8.88 ft at 12:15AM Apr 17, 2021Observed: 8.88 ft at 12:30AM Apr 17, 2021Observed: 8.88 ft at 12:45AM Apr 17, 2021Observed: 8.87 ft at 1:00AM Apr 17, 2021Observed: 8.88 ft at 1:15AM Apr 17, 2021Observed: 8.88 ft at 1:30AM Apr 17, 2021Observed: 8.87 ft at 1:45AM Apr 17, 2021Observed: 8.86 ft at 2:00AM Apr 17, 2021Observed: 8.86 ft at 2:15AM Apr 17, 2021Observed: 8.86 ft at 2:30AM Apr 17, 2021Observed: 8.85 ft at 2:45AM Apr 17, 2021Observed: 8.85 ft at 3:00AM Apr 17, 2021Observed: 8.85 ft at 3:15AM Apr 17, 2021Observed: 8.85 ft at 3:30AM Apr 17, 2021Observed: 8.85 ft at 3:45AM Apr 17, 2021Observed: 8.85 ft at 4:00AM Apr 17, 2021Observed: 8.84 ft at 4:15AM Apr 17, 2021Observed: 8.84 ft at 4:30AM Apr 17, 2021Observed: 8.83 ft at 4:45AM Apr 17, 2021Observed: 8.83 ft at 5:00AM Apr 17, 2021Observed: 8.83 ft at 5:15AM Apr 17, 2021Observed: 8.83 ft at 5:30AM Apr 17, 2021Observed: 8.83 ft at 5:45AM Apr 17, 2021Observed: 8.83 ft at 6:00AM Apr 17, 2021Observed: 8.83 ft at 6:15AM Apr 17, 2021Observed: 8.82 ft at 6:30AM Apr 17, 2021Observed: 8.82 ft at 6:45AM Apr 17, 2021Observed: 8.82 ft at 7:00AM Apr 17, 2021Observed: 8.82 ft at 7:15AM Apr 17, 2021Observed: 8.81 ft at 7:30AM Apr 17, 2021Observed: 8.81 ft at 7:45AM Apr 17, 2021Observed: 8.81 ft at 8:00AM Apr 17, 2021Observed: 8.8 ft at 8:15AM Apr 17, 2021Observed: 8.8 ft at 8:30AM Apr 17, 2021Observed: 8.8 ft at 8:45AM Apr 17, 2021Observed: 8.8 ft at 9:00AM Apr 17, 2021Observed: 8.8 ft at 9:15AM Apr 17, 2021Observed: 8.8 ft at 9:16AM Apr 17, 2021Observed: 8.8 ft at 9:30AM Apr 17, 2021Observed: 8.8 ft at 9:31AM Apr 17, 2021Observed: 8.8 ft at 9:45AM Apr 17, 2021Observed: 8.8 ft at 9:46AM Apr 17, 2021Observed: 8.78 ft at 10:00AM Apr 17, 2021Observed: 8.79 ft at 10:15AM Apr 17, 2021Observed: 8.79 ft at 10:30AM Apr 17, 2021Observed: 8.79 ft at 10:45AM Apr 17, 2021Observed: 8.79 ft at 11:00AM Apr 17, 2021Observed: 8.79 ft at 11:15AM Apr 17, 2021Observed: 8.78 ft at 11:30AM Apr 17, 2021Observed: 8.78 ft at 11:45AM Apr 17, 2021Observed: 8.77 ft at 12:00PM Apr 17, 2021Observed: 8.77 ft at 12:15PM Apr 17, 2021Observed: 8.77 ft at 12:30PM Apr 17, 2021Observed: 8.76 ft at 12:45PM Apr 17, 2021Observed: 8.77 ft at 1:00PM Apr 17, 2021Observed: 8.76 ft at 1:15PM Apr 17, 2021Observed: 8.76 ft at 1:30PM Apr 17, 2021Observed: 8.76 ft at 1:45PM Apr 17, 2021Observed: 8.75 ft at 2:00PM Apr 17, 2021Observed: 8.74 ft at 2:15PM Apr 17, 2021Observed: 8.74 ft at 2:30PM Apr 17, 2021Observed: 8.74 ft at 2:45PM Apr 17, 2021Observed: 8.74 ft at 3:00PM Apr 17, 2021Observed: 8.72 ft at 3:15PM Apr 17, 2021Observed: 8.74 ft at 3:30PM Apr 17, 2021Observed: 8.72 ft at 3:45PM Apr 17, 2021Observed: 8.73 ft at 4:00PM Apr 17, 2021Observed: 8.73 ft at 4:15PM Apr 17, 2021Observed: 8.74 ft at 4:30PM Apr 17, 2021Observed: 8.73 ft at 4:45PM Apr 17, 2021Observed: 8.73 ft at 5:00PM Apr 17, 2021Observed: 8.71 ft at 5:15PM Apr 17, 2021Observed: 8.71 ft at 5:16PM Apr 17, 2021Observed: 8.72 ft at 5:30PM Apr 17, 2021Observed: 8.72 ft at 5:31PM Apr 17, 2021Observed: 8.69 ft at 5:45PM Apr 17, 2021Observed: 8.69 ft at 5:46PM Apr 17, 2021Observed: 8.72 ft at 6:00PM Apr 17, 2021Observed: 8.72 ft at 6:15PM Apr 17, 2021Observed: 8.71 ft at 6:30PM Apr 17, 2021Observed: 8.71 ft at 6:45PM Apr 17, 2021Observed: 8.71 ft at 7:00PM Apr 17, 2021Observed: 8.71 ft at 7:15PM Apr 17, 2021Observed: 8.7 ft at 7:30PM Apr 17, 2021Observed: 8.7 ft at 7:45PM Apr 17, 2021Observed: 8.7 ft at 8:00PM Apr 17, 2021Observed: 8.69 ft at 8:15PM Apr 17, 2021Observed: 8.69 ft at 8:30PM Apr 17, 2021Observed: 8.69 ft at 8:45PM Apr 17, 2021Observed: 8.68 ft at 9:00PM Apr 17, 2021Observed: 8.68 ft at 9:15PM Apr 17, 2021Observed: 8.68 ft at 9:30PM Apr 17, 2021Observed: 8.68 ft at 9:45PM Apr 17, 2021Observed: 8.68 ft at 10:00PM Apr 17, 2021Observed: 8.67 ft at 10:15PM Apr 17, 2021Observed: 8.67 ft at 10:30PM Apr 17, 2021Observed: 8.67 ft at 10:45PM Apr 17, 2021Observed: 8.67 ft at 11:00PM Apr 17, 2021Observed: 8.67 ft at 11:15PM Apr 17, 2021Observed: 8.66 ft at 11:30PM Apr 17, 2021Observed: 8.66 ft at 11:45PM Apr 17, 2021Observed: 8.66 ft at 12:00AM Apr 18, 2021USGS--Water Resources of the United StatesAKRI4(plotting HGIRG) Graph Created (12:34AM Apr 18, 2021)ObservedLatest observed value: 8.66 ft at 12:00 AM CDT 18-Apr-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
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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: 2-Nov-2020 7:29 PM
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