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Hydrograph River at a Glance Download
Big Sioux River near Egan Stage (ft)Flow (cfs)Observed: 1511.11 ft at 7:00PM May 08, 2022Observed: 1511.1 ft at 7:15PM May 08, 2022Observed: 1511.1 ft at 7:30PM May 08, 2022Observed: 1511.1 ft at 7:45PM May 08, 2022Observed: 1511.1 ft at 8:00PM May 08, 2022Observed: 1511.09 ft at 8:15PM May 08, 2022Observed: 1511.1 ft at 8:30PM May 08, 2022Observed: 1511.1 ft at 8:45PM May 08, 2022Observed: 1511.1 ft at 9:00PM May 08, 2022Observed: 1511.11 ft at 9:15PM May 08, 2022Observed: 1511.13 ft at 9:30PM May 08, 2022Observed: 1511.11 ft at 9:45PM May 08, 2022Observed: 1511.13 ft at 10:00PM May 08, 2022Observed: 1511.13 ft at 10:15PM May 08, 2022Observed: 1511.13 ft at 10:30PM May 08, 2022Observed: 1511.12 ft at 10:45PM May 08, 2022Observed: 1511.12 ft at 11:00PM May 08, 2022Observed: 1511.13 ft at 11:15PM May 08, 2022Observed: 1511.14 ft at 11:30PM May 08, 2022Observed: 1511.15 ft at 11:45PM May 08, 2022Observed: 1511.14 ft at 12:00AM May 09, 2022Observed: 1511.14 ft at 12:15AM May 09, 2022Observed: 1511.14 ft at 12:30AM May 09, 2022Observed: 1511.15 ft at 12:45AM May 09, 2022Observed: 1511.16 ft at 1:00AM May 09, 2022Observed: 1511.15 ft at 1:15AM May 09, 2022Observed: 1511.15 ft at 1:30AM May 09, 2022Observed: 1511.16 ft at 1:45AM May 09, 2022Observed: 1511.14 ft at 2:00AM May 09, 2022Observed: 1511.15 ft at 2:15AM May 09, 2022Observed: 1511.15 ft at 2:30AM May 09, 2022Observed: 1511.15 ft at 2:45AM May 09, 2022Observed: 1511.15 ft at 3:00AM May 09, 2022Observed: 1511.16 ft at 3:15AM May 09, 2022Observed: 1511.15 ft at 3:30AM May 09, 2022Observed: 1511.16 ft at 3:45AM May 09, 2022Observed: 1511.15 ft at 4:00AM May 09, 2022Observed: 1511.16 ft at 4:15AM May 09, 2022Observed: 1511.18 ft at 4:30AM May 09, 2022Observed: 1511.17 ft at 4:45AM May 09, 2022Observed: 1511.18 ft at 5:00AM May 09, 2022Observed: 1511.18 ft at 5:15AM May 09, 2022Observed: 1511.19 ft at 5:30AM May 09, 2022Observed: 1511.16 ft at 5:45AM May 09, 2022Observed: 1511.18 ft at 6:00AM May 09, 2022Observed: 1511.18 ft at 6:15AM May 09, 2022Observed: 1511.2 ft at 6:30AM May 09, 2022Observed: 1511.2 ft at 6:45AM May 09, 2022Observed: 1511.2 ft at 7:00AM May 09, 2022Observed: 1511.21 ft at 7:15AM May 09, 2022Observed: 1511.23 ft at 7:30AM May 09, 2022Observed: 1511.22 ft at 7:45AM May 09, 2022Observed: 1511.24 ft at 8:00AM May 09, 2022Observed: 1511.24 ft at 8:15AM May 09, 2022Observed: 1511.25 ft at 8:30AM May 09, 2022Observed: 1511.25 ft at 8:45AM May 09, 2022Observed: 1511.26 ft at 9:00AM May 09, 2022Observed: 1511.23 ft at 9:15AM May 09, 2022Observed: 1511.25 ft at 9:30AM May 09, 2022Observed: 1511.24 ft at 9:45AM May 09, 2022Observed: 1511.27 ft at 10:00AM May 09, 2022Observed: 1511.26 ft at 10:15AM May 09, 2022Observed: 1511.26 ft at 10:30AM May 09, 2022Observed: 1511.26 ft at 10:45AM May 09, 2022Observed: 1511.28 ft at 11:00AM May 09, 2022Observed: 1511.29 ft at 11:15AM May 09, 2022Observed: 1511.3 ft at 11:30AM May 09, 2022Observed: 1511.3 ft at 11:45AM May 09, 2022Observed: 1511.31 ft at 12:00PM May 09, 2022Observed: 1511.32 ft at 12:15PM May 09, 2022Observed: 1511.32 ft at 12:30PM May 09, 2022Observed: 1511.32 ft at 12:45PM May 09, 2022Observed: 1511.33 ft at 1:00PM May 09, 2022Observed: 1511.33 ft at 1:15PM May 09, 2022Observed: 1511.32 ft at 1:30PM May 09, 2022Observed: 1511.34 ft at 1:45PM May 09, 2022Observed: 1511.34 ft at 2:00PM May 09, 2022Observed: 1511.35 ft at 2:15PM May 09, 2022Observed: 1511.35 ft at 2:30PM May 09, 2022Observed: 1511.34 ft at 2:45PM May 09, 2022Observed: 1511.35 ft at 3:00PM May 09, 2022Observed: 1511.34 ft at 3:15PM May 09, 2022Observed: 1511.35 ft at 3:30PM May 09, 2022Observed: 1511.38 ft at 3:45PM May 09, 2022Observed: 1511.37 ft at 4:00PM May 09, 2022Observed: 1511.39 ft at 4:15PM May 09, 2022Observed: 1511.39 ft at 4:30PM May 09, 2022Observed: 1511.38 ft at 4:45PM May 09, 2022Observed: 1511.38 ft at 5:00PM May 09, 2022Observed: 1511.38 ft at 5:15PM May 09, 2022Observed: 1511.38 ft at 5:30PM May 09, 2022Observed: 1511.37 ft at 5:45PM May 09, 2022Observed: 1511.39 ft at 6:00PM May 09, 2022Observed: 1511.41 ft at 6:15PM May 09, 2022Observed: 1511.4 ft at 6:30PM May 09, 2022Observed: 1511.4 ft at 6:45PM May 09, 2022Observed: 1511.42 ft at 7:00PM May 09, 2022Observed: 1511.44 ft at 7:15PM May 09, 2022Observed: 1511.43 ft at 7:30PM May 09, 2022Observed: 1511.44 ft at 7:45PM May 09, 2022Observed: 1511.44 ft at 8:00PM May 09, 2022Observed: 1511.44 ft at 8:15PM May 09, 2022Observed: 1511.45 ft at 8:30PM May 09, 2022Observed: 1511.45 ft at 8:45PM May 09, 2022Observed: 1511.45 ft at 9:00PM May 09, 2022Observed: 1511.46 ft at 9:15PM May 09, 2022Observed: 1511.46 ft at 9:30PM May 09, 2022Observed: 1511.46 ft at 9:45PM May 09, 2022Observed: 1511.46 ft at 10:00PM May 09, 2022Observed: 1511.46 ft at 10:15PM May 09, 2022Observed: 1511.47 ft at 10:30PM May 09, 2022Observed: 1511.47 ft at 10:45PM May 09, 2022Observed: 1511.48 ft at 11:00PM May 09, 2022Observed: 1511.48 ft at 11:15PM May 09, 2022Observed: 1511.48 ft at 11:30PM May 09, 2022Observed: 1511.48 ft at 11:45PM May 09, 2022Observed: 1511.49 ft at 12:00AM May 10, 2022Observed: 1511.49 ft at 12:15AM May 10, 2022Observed: 1511.49 ft at 12:30AM May 10, 2022Observed: 1511.49 ft at 12:45AM May 10, 2022Observed: 1511.5 ft at 1:00AM May 10, 2022Observed: 1511.51 ft at 1:15AM May 10, 2022Observed: 1511.51 ft at 1:30AM May 10, 2022Observed: 1511.51 ft at 1:45AM May 10, 2022Observed: 1511.51 ft at 2:00AM May 10, 2022Observed: 1511.51 ft at 2:15AM May 10, 2022Observed: 1511.52 ft at 2:30AM May 10, 2022Observed: 1511.52 ft at 2:45AM May 10, 2022Observed: 1511.52 ft at 3:00AM May 10, 2022Observed: 1511.53 ft at 3:15AM May 10, 2022Observed: 1511.53 ft at 3:30AM May 10, 2022Observed: 1511.53 ft at 3:45AM May 10, 2022Observed: 1511.53 ft at 4:00AM May 10, 2022Observed: 1511.53 ft at 4:15AM May 10, 2022Observed: 1511.54 ft at 4:30AM May 10, 2022Observed: 1511.54 ft at 4:45AM May 10, 2022Observed: 1511.54 ft at 5:00AM May 10, 2022Observed: 1511.54 ft at 5:15AM May 10, 2022Observed: 1511.55 ft at 5:30AM May 10, 2022Observed: 1511.55 ft at 5:45AM May 10, 2022Observed: 1511.55 ft at 6:00AM May 10, 2022Observed: 1511.55 ft at 6:15AM May 10, 2022Observed: 1511.56 ft at 6:30AM May 10, 2022Observed: 1511.56 ft at 6:45AM May 10, 2022Observed: 1511.56 ft at 7:00AM May 10, 2022Observed: 1511.57 ft at 7:15AM May 10, 2022Observed: 1511.57 ft at 7:30AM May 10, 2022Observed: 1511.57 ft at 7:45AM May 10, 2022Observed: 1511.57 ft at 8:00AM May 10, 2022Observed: 1511.58 ft at 8:15AM May 10, 2022Observed: 1511.58 ft at 8:30AM May 10, 2022Observed: 1511.58 ft at 8:45AM May 10, 2022Observed: 1511.59 ft at 9:00AM May 10, 2022Observed: 1511.59 ft at 9:15AM May 10, 2022Observed: 1511.59 ft at 9:30AM May 10, 2022Observed: 1511.6 ft at 9:45AM May 10, 2022Observed: 1511.6 ft at 10:00AM May 10, 2022Observed: 1511.58 ft at 10:15AM May 10, 2022Observed: 1511.59 ft at 10:30AM May 10, 2022Observed: 1511.6 ft at 10:45AM May 10, 2022Observed: 1511.6 ft at 11:00AM May 10, 2022Observed: 1511.61 ft at 11:15AM May 10, 2022Observed: 1511.6 ft at 11:30AM May 10, 2022Observed: 1511.6 ft at 11:45AM May 10, 2022Observed: 1511.61 ft at 12:00PM May 10, 2022Observed: 1511.61 ft at 12:15PM May 10, 2022Observed: 1511.62 ft at 12:30PM May 10, 2022Observed: 1511.62 ft at 12:45PM May 10, 2022Observed: 1511.63 ft at 1:00PM May 10, 2022Observed: 1511.62 ft at 1:15PM May 10, 2022Observed: 1511.61 ft at 1:30PM May 10, 2022Observed: 1511.64 ft at 1:45PM May 10, 2022Observed: 1511.64 ft at 2:00PM May 10, 2022Observed: 1511.64 ft at 2:15PM May 10, 2022Observed: 1511.63 ft at 2:30PM May 10, 2022Observed: 1511.65 ft at 2:45PM May 10, 2022Observed: 1511.65 ft at 3:00PM May 10, 2022Observed: 1511.66 ft at 3:15PM May 10, 2022Observed: 1511.66 ft at 3:30PM May 10, 2022Observed: 1511.66 ft at 3:45PM May 10, 2022Observed: 1511.66 ft at 4:00PM May 10, 2022Observed: 1511.66 ft at 4:15PM May 10, 2022Observed: 1511.66 ft at 4:30PM May 10, 2022Observed: 1511.65 ft at 4:45PM May 10, 2022Observed: 1511.66 ft at 5:00PM May 10, 2022Observed: 1511.66 ft at 5:15PM May 10, 2022Observed: 1511.66 ft at 5:30PM May 10, 2022Observed: 1511.66 ft at 5:45PM May 10, 2022Observed: 1511.66 ft at 6:00PM May 10, 2022Observed: 1511.66 ft at 6:15PM May 10, 2022Observed: 1511.66 ft at 6:30PM May 10, 2022Observed: 1511.66 ft at 6:45PM May 10, 2022Observed: 1511.65 ft at 7:00PM May 10, 2022Observed: 1511.65 ft at 7:15PM May 10, 2022Observed: 1511.65 ft at 7:30PM May 10, 2022Observed: 1511.65 ft at 7:45PM May 10, 2022Observed: 1511.65 ft at 8:00PM May 10, 2022Observed: 1511.65 ft at 8:15PM May 10, 2022Observed: 1511.65 ft at 8:30PM May 10, 2022Observed: 1511.64 ft at 8:45PM May 10, 2022Observed: 1511.64 ft at 9:00PM May 10, 2022Observed: 1511.64 ft at 9:15PM May 10, 2022Observed: 1511.64 ft at 9:30PM May 10, 2022Observed: 1511.64 ft at 9:45PM May 10, 2022Observed: 1511.64 ft at 10:00PM May 10, 2022Observed: 1511.64 ft at 10:15PM May 10, 2022Observed: 1511.64 ft at 10:30PM May 10, 2022Observed: 1511.64 ft at 10:45PM May 10, 2022Observed: 1511.64 ft at 11:00PM May 10, 2022Observed: 1511.64 ft at 11:15PM May 10, 2022Observed: 1511.64 ft at 11:30PM May 10, 2022Observed: 1511.65 ft at 11:45PM May 10, 2022Observed: 1511.65 ft at 12:00AM May 11, 2022Observed: 1511.65 ft at 12:15AM May 11, 2022Observed: 1511.65 ft at 12:30AM May 11, 2022Observed: 1511.65 ft at 12:45AM May 11, 2022Observed: 1511.65 ft at 1:00AM May 11, 2022Observed: 1511.65 ft at 1:15AM May 11, 2022Observed: 1511.65 ft at 1:30AM May 11, 2022Observed: 1511.65 ft at 1:45AM May 11, 2022Observed: 1511.65 ft at 2:00AM May 11, 2022Observed: 1511.65 ft at 2:15AM May 11, 2022Observed: 1511.65 ft at 2:30AM May 11, 2022Observed: 1511.65 ft at 2:45AM May 11, 2022Observed: 1511.65 ft at 3:00AM May 11, 2022Observed: 1511.65 ft at 3:15AM May 11, 2022Observed: 1511.65 ft at 3:30AM May 11, 2022Observed: 1511.65 ft at 3:45AM May 11, 2022Observed: 1511.65 ft at 4:00AM May 11, 2022Observed: 1511.65 ft at 4:15AM May 11, 2022Observed: 1511.65 ft at 4:30AM May 11, 2022Observed: 1511.65 ft at 4:45AM May 11, 2022Observed: 1511.65 ft at 5:00AM May 11, 2022Observed: 1511.65 ft at 5:15AM May 11, 2022Observed: 1511.65 ft at 5:30AM May 11, 2022Observed: 1511.65 ft at 5:45AM May 11, 2022Observed: 1511.65 ft at 6:00AM May 11, 2022Observed: 1511.65 ft at 6:15AM May 11, 2022Observed: 1511.66 ft at 6:30AM May 11, 2022Observed: 1511.65 ft at 6:45AM May 11, 2022Observed: 1511.66 ft at 7:00AM May 11, 2022Observed: 1511.64 ft at 8:15AM May 11, 2022Observed: 1511.65 ft at 8:30AM May 11, 2022Observed: 1511.66 ft at 8:45AM May 11, 2022Observed: 1511.65 ft at 9:00AM May 11, 2022Observed: 1511.66 ft at 9:15AM May 11, 2022Observed: 1511.62 ft at 9:30AM May 11, 2022Observed: 1511.62 ft at 9:45AM May 11, 2022Observed: 1511.64 ft at 10:00AM May 11, 2022Observed: 1511.64 ft at 10:15AM May 11, 2022Observed: 1511.67 ft at 10:30AM May 11, 2022Observed: 1511.67 ft at 10:45AM May 11, 2022Observed: 1511.67 ft at 11:00AM May 11, 2022Observed: 1511.67 ft at 11:15AM May 11, 2022Observed: 1511.68 ft at 11:30AM May 11, 2022Observed: 1511.65 ft at 11:45AM May 11, 2022Observed: 1511.68 ft at 12:00PM May 11, 2022Observed: 1511.68 ft at 12:15PM May 11, 2022Observed: 1511.69 ft at 12:30PM May 11, 2022Observed: 1511.69 ft at 12:45PM May 11, 2022Observed: 1511.7 ft at 1:00PM May 11, 2022Observed: 1511.7 ft at 1:15PM May 11, 2022Observed: 1511.7 ft at 1:30PM May 11, 2022Observed: 1511.7 ft at 1:45PM May 11, 2022Observed: 1511.7 ft at 2:00PM May 11, 2022Observed: 1511.71 ft at 2:15PM May 11, 2022Observed: 1511.71 ft at 2:30PM May 11, 2022Observed: 1511.68 ft at 2:45PM May 11, 2022Observed: 1511.7 ft at 3:00PM May 11, 2022Observed: 1511.7 ft at 3:15PM May 11, 2022Observed: 1511.71 ft at 3:30PM May 11, 2022Observed: 1511.69 ft at 3:45PM May 11, 2022Observed: 1511.72 ft at 4:00PM May 11, 2022Observed: 1511.72 ft at 4:15PM May 11, 2022Observed: 1511.75 ft at 4:30PM May 11, 2022Observed: 1511.8 ft at 4:45PM May 11, 2022Observed: 1511.78 ft at 5:00PM May 11, 2022Observed: 1511.82 ft at 5:15PM May 11, 2022Observed: 1511.87 ft at 5:30PM May 11, 2022Observed: 1511.93 ft at 5:45PM May 11, 2022Observed: 1512.01 ft at 6:00PM May 11, 2022Observed: 1512.07 ft at 6:15PM May 11, 2022Observed: 1512.15 ft at 6:30PM May 11, 2022Observed: 1512.21 ft at 6:45PM May 11, 2022Observed: 1512.29 ft at 7:00PM May 11, 2022Observed: 1512.36 ft at 7:15PM May 11, 2022Observed: 1512.42 ft at 7:30PM May 11, 2022Observed: 1512.47 ft at 7:45PM May 11, 2022Observed: 1512.53 ft at 8:00PM May 11, 2022Observed: 1512.57 ft at 8:15PM May 11, 2022Observed: 1512.62 ft at 8:30PM May 11, 2022Observed: 1512.66 ft at 8:45PM May 11, 2022Observed: 1512.7 ft at 9:00PM May 11, 2022Observed: 1512.74 ft at 9:15PM May 11, 2022Observed: 1512.77 ft at 9:30PM May 11, 2022Observed: 1512.81 ft at 9:45PM May 11, 2022Observed: 1512.86 ft at 10:00PM May 11, 2022Observed: 1512.9 ft at 10:15PM May 11, 2022Observed: 1512.95 ft at 10:30PM May 11, 2022Observed: 1512.99 ft at 10:45PM May 11, 2022Observed: 1513.03 ft at 11:00PM May 11, 2022Observed: 1513.07 ft at 11:15PM May 11, 2022Observed: 1513.1 ft at 11:30PM May 11, 2022Observed: 1513.14 ft at 11:45PM May 11, 2022Observed: 1513.16 ft at 12:00AM May 12, 2022Observed: 1513.18 ft at 12:15AM May 12, 2022Observed: 1513.21 ft at 12:30AM May 12, 2022Observed: 1513.23 ft at 12:45AM May 12, 2022Observed: 1513.25 ft at 1:00AM May 12, 2022Observed: 1513.26 ft at 1:15AM May 12, 2022Observed: 1513.28 ft at 1:30AM May 12, 2022Observed: 1513.28 ft at 1:45AM May 12, 2022Observed: 1513.3 ft at 2:00AM May 12, 2022Observed: 1513.31 ft at 2:15AM May 12, 2022Observed: 1513.32 ft at 2:30AM May 12, 2022Observed: 1513.33 ft at 2:45AM May 12, 2022Observed: 1513.33 ft at 3:00AM May 12, 2022Observed: 1513.33 ft at 3:15AM May 12, 2022Observed: 1513.34 ft at 3:30AM May 12, 2022Observed: 1513.33 ft at 3:45AM May 12, 2022Observed: 1513.35 ft at 4:00AM May 12, 2022Observed: 1513.37 ft at 4:15AM May 12, 2022Observed: 1513.38 ft at 4:30AM May 12, 2022Observed: 1513.4 ft at 4:45AM May 12, 2022Observed: 1513.42 ft at 5:00AM May 12, 2022Observed: 1513.44 ft at 5:15AM May 12, 2022Observed: 1513.45 ft at 5:30AM May 12, 2022Observed: 1513.47 ft at 5:45AM May 12, 2022Observed: 1513.47 ft at 6:00AM May 12, 2022Observed: 1513.48 ft at 6:15AM May 12, 2022Observed: 1513.5 ft at 6:30AM May 12, 2022Observed: 1513.52 ft at 6:45AM May 12, 2022Observed: 1513.53 ft at 7:00AM May 12, 2022Observed: 1513.55 ft at 7:15AM May 12, 2022Observed: 1513.56 ft at 7:30AM May 12, 2022Observed: 1513.58 ft at 7:45AM May 12, 2022Observed: 1513.6 ft at 8:00AM May 12, 2022Observed: 1513.61 ft at 8:15AM May 12, 2022Observed: 1513.61 ft at 8:30AM May 12, 2022Observed: 1513.64 ft at 8:45AM May 12, 2022Observed: 1513.64 ft at 9:00AM May 12, 2022Observed: 1513.67 ft at 9:15AM May 12, 2022Observed: 1513.69 ft at 9:30AM May 12, 2022Observed: 1513.71 ft at 9:45AM May 12, 2022Observed: 1513.73 ft at 10:00AM May 12, 2022Observed: 1513.75 ft at 10:15AM May 12, 2022Observed: 1513.77 ft at 10:30AM May 12, 2022Observed: 1513.78 ft at 10:45AM May 12, 2022Observed: 1513.8 ft at 11:00AM May 12, 2022Observed: 1513.81 ft at 11:15AM May 12, 2022Observed: 1513.84 ft at 11:30AM May 12, 2022Observed: 1513.85 ft at 11:45AM May 12, 2022Observed: 1513.86 ft at 12:00PM May 12, 2022Observed: 1513.89 ft at 12:15PM May 12, 2022Observed: 1513.9 ft at 12:30PM May 12, 2022Observed: 1513.91 ft at 12:45PM May 12, 2022Observed: 1513.9 ft at 1:00PM May 12, 2022Observed: 1513.93 ft at 1:15PM May 12, 2022Observed: 1513.93 ft at 1:30PM May 12, 2022Observed: 1513.93 ft at 1:45PM May 12, 2022Observed: 1513.94 ft at 2:00PM May 12, 2022Observed: 1513.96 ft at 2:15PM May 12, 2022Observed: 1513.96 ft at 2:30PM May 12, 2022Observed: 1513.95 ft at 2:45PM May 12, 2022Observed: 1513.97 ft at 3:00PM May 12, 2022Observed: 1513.98 ft at 3:15PM May 12, 2022Observed: 1513.98 ft at 3:30PM May 12, 2022Observed: 1513.98 ft at 3:45PM May 12, 2022Observed: 1514 ft at 4:00PM May 12, 2022Observed: 1513.99 ft at 4:15PM May 12, 2022Observed: 1513.99 ft at 4:30PM May 12, 2022Observed: 1513.97 ft at 4:45PM May 12, 2022Observed: 1513.97 ft at 5:00PM May 12, 2022Observed: 1513.99 ft at 5:15PM May 12, 2022Observed: 1514.02 ft at 5:30PM May 12, 2022Observed: 1514.06 ft at 5:45PM May 12, 2022Observed: 1514.07 ft at 6:00PM May 12, 2022Observed: 1514.09 ft at 6:15PM May 12, 2022Observed: 1514.08 ft at 6:30PM May 12, 2022Observed: 1514.09 ft at 6:45PM May 12, 2022Observed: 1514.1 ft at 7:00PM May 12, 2022Observed: 1514.1 ft at 7:15PM May 12, 2022Observed: 1514.1 ft at 7:30PM May 12, 2022Observed: 1514.1 ft at 7:45PM May 12, 2022Observed: 1514.1 ft at 8:00PM May 12, 2022Observed: 1514.1 ft at 8:15PM May 12, 2022Observed: 1514.1 ft at 8:30PM May 12, 2022Observed: 1514.07 ft at 8:45PM May 12, 2022Observed: 1514.09 ft at 9:00PM May 12, 2022Observed: 1514.11 ft at 9:15PM May 12, 2022Observed: 1514.11 ft at 9:30PM May 12, 2022Observed: 1514.11 ft at 9:45PM May 12, 2022Observed: 1514.11 ft at 10:00PM May 12, 2022Observed: 1514.1 ft at 10:15PM May 12, 2022Observed: 1514.1 ft at 10:30PM May 12, 2022Observed: 1514.11 ft at 10:45PM May 12, 2022Observed: 1514.1 ft at 11:00PM May 12, 2022Observed: 1514.12 ft at 11:15PM May 12, 2022Observed: 1514.11 ft at 11:30PM May 12, 2022Observed: 1514.09 ft at 11:45PM May 12, 2022Observed: 1514.12 ft at 12:00AM May 13, 2022Observed: 1514.11 ft at 12:15AM May 13, 2022Observed: 1514.1 ft at 12:30AM May 13, 2022Observed: 1514.1 ft at 12:45AM May 13, 2022Observed: 1514.1 ft at 1:00AM May 13, 2022Observed: 1514.09 ft at 1:15AM May 13, 2022Observed: 1514.09 ft at 1:30AM May 13, 2022Observed: 1514.1 ft at 1:45AM May 13, 2022Observed: 1514.1 ft at 2:00AM May 13, 2022Observed: 1514.1 ft at 2:15AM May 13, 2022Observed: 1514.09 ft at 2:30AM May 13, 2022Observed: 1514.1 ft at 2:45AM May 13, 2022Observed: 1514.09 ft at 3:00AM May 13, 2022Observed: 1514.09 ft at 3:15AM May 13, 2022Observed: 1514.09 ft at 3:30AM May 13, 2022Observed: 1514.1 ft at 3:45AM May 13, 2022Observed: 1514.1 ft at 4:00AM May 13, 2022Observed: 1514.1 ft at 4:15AM May 13, 2022Observed: 1514.1 ft at 4:30AM May 13, 2022Observed: 1514.1 ft at 4:45AM May 13, 2022Observed: 1514.1 ft at 5:00AM May 13, 2022Observed: 1514.11 ft at 5:15AM May 13, 2022Observed: 1514.1 ft at 5:30AM May 13, 2022Observed: 1514.11 ft at 5:45AM May 13, 2022Observed: 1514.11 ft at 6:00AM May 13, 2022Observed: 1514.11 ft at 6:15AM May 13, 2022Observed: 1514.11 ft at 6:30AM May 13, 2022Observed: 1514.1 ft at 6:45AM May 13, 2022Observed: 1514.11 ft at 7:00AM May 13, 2022Observed: 1514.13 ft at 8:15AM May 13, 2022Observed: 1514.12 ft at 8:30AM May 13, 2022Observed: 1514.12 ft at 8:45AM May 13, 2022Observed: 1514.12 ft at 9:00AM May 13, 2022Observed: 1514.14 ft at 9:15AM May 13, 2022Observed: 1514.16 ft at 9:30AM May 13, 2022Observed: 1514.15 ft at 9:45AM May 13, 2022Observed: 1514.15 ft at 10:00AM May 13, 2022Observed: 1514.14 ft at 10:15AM May 13, 2022Observed: 1514.16 ft at 10:30AM May 13, 2022Observed: 1514.16 ft at 10:45AM May 13, 2022Observed: 1514.14 ft at 11:00AM May 13, 2022Observed: 1514.16 ft at 11:15AM May 13, 2022Observed: 1514.16 ft at 11:30AM May 13, 2022Observed: 1514.16 ft at 11:45AM May 13, 2022Observed: 1514.16 ft at 12:00PM May 13, 2022Observed: 1514.17 ft at 12:15PM May 13, 2022Observed: 1514.18 ft at 12:30PM May 13, 2022Observed: 1514.18 ft at 12:45PM May 13, 2022Observed: 1514.19 ft at 1:00PM May 13, 2022Observed: 1514.19 ft at 1:15PM May 13, 2022Observed: 1514.19 ft at 1:30PM May 13, 2022Observed: 1514.19 ft at 1:45PM May 13, 2022Observed: 1514.2 ft at 2:00PM May 13, 2022Observed: 1514.19 ft at 2:15PM May 13, 2022Highest Observation: 1514.22 ft at 2:30PM May 13, 2022Observed: 1514.21 ft at 2:45PM May 13, 2022Observed: 1514.2 ft at 3:00PM May 13, 2022Observed: 1514.21 ft at 3:15PM May 13, 2022Observed: 1514.21 ft at 3:30PM May 13, 2022Observed: 1514.21 ft at 3:45PM May 13, 2022Observed: 1514.21 ft at 4:00PM May 13, 2022Observed: 1514.21 ft at 4:15PM May 13, 2022Observed: 1514.21 ft at 4:30PM May 13, 2022Observed: 1514.2 ft at 4:45PM May 13, 2022Observed: 1514.2 ft at 5:00PM May 13, 2022Observed: 1514.2 ft at 5:15PM May 13, 2022Observed: 1514.19 ft at 5:30PM May 13, 2022Observed: 1514.21 ft at 5:45PM May 13, 2022Observed: 1514.21 ft at 6:00PM May 13, 2022Observed: 1514.21 ft at 6:15PM May 13, 2022Observed: 1514.2 ft at 6:30PM May 13, 2022Observed: 1514.19 ft at 6:45PM May 13, 2022Observed: 1514.19 ft at 7:00PM May 13, 2022Observed: 1514.19 ft at 7:15PM May 13, 2022Observed: 1514.19 ft at 7:30PM May 13, 2022Observed: 1514.2 ft at 7:45PM May 13, 2022Observed: 1514.19 ft at 8:00PM May 13, 2022Observed: 1514.19 ft at 8:15PM May 13, 2022Observed: 1514.18 ft at 8:30PM May 13, 2022Observed: 1514.18 ft at 8:45PM May 13, 2022Observed: 1514.17 ft at 9:00PM May 13, 2022Observed: 1514.17 ft at 9:15PM May 13, 2022Observed: 1514.17 ft at 9:30PM May 13, 2022Observed: 1514.17 ft at 9:45PM May 13, 2022Observed: 1514.15 ft at 10:00PM May 13, 2022Observed: 1514.16 ft at 10:15PM May 13, 2022Observed: 1514.15 ft at 10:30PM May 13, 2022Observed: 1514.15 ft at 10:45PM May 13, 2022Observed: 1514.15 ft at 11:00PM May 13, 2022Observed: 1514.14 ft at 11:15PM May 13, 2022Observed: 1514.13 ft at 11:30PM May 13, 2022Observed: 1514.13 ft at 11:45PM May 13, 2022Observed: 1514.12 ft at 12:00AM May 14, 2022Observed: 1514.12 ft at 12:15AM May 14, 2022Observed: 1514.11 ft at 12:30AM May 14, 2022Observed: 1514.1 ft at 12:45AM May 14, 2022Observed: 1514.1 ft at 1:00AM May 14, 2022Observed: 1514.09 ft at 1:15AM May 14, 2022Observed: 1514.09 ft at 1:30AM May 14, 2022Observed: 1514.08 ft at 1:45AM May 14, 2022Observed: 1514.07 ft at 2:00AM May 14, 2022Observed: 1514.07 ft at 2:15AM May 14, 2022Observed: 1514.06 ft at 2:30AM May 14, 2022Observed: 1514.05 ft at 2:45AM May 14, 2022Observed: 1514.05 ft at 3:00AM May 14, 2022Observed: 1514.05 ft at 3:15AM May 14, 2022Observed: 1514.04 ft at 3:30AM May 14, 2022Observed: 1514.04 ft at 3:45AM May 14, 2022Observed: 1514.04 ft at 4:00AM May 14, 2022Observed: 1514.03 ft at 4:15AM May 14, 2022Observed: 1514.02 ft at 4:30AM May 14, 2022Observed: 1514.02 ft at 4:45AM May 14, 2022Observed: 1514.01 ft at 5:00AM May 14, 2022Observed: 1514 ft at 5:15AM May 14, 2022Observed: 1514 ft at 5:30AM May 14, 2022Observed: 1513.99 ft at 5:45AM May 14, 2022Observed: 1513.99 ft at 6:00AM May 14, 2022Observed: 1513.97 ft at 6:15AM May 14, 2022Observed: 1513.98 ft at 6:30AM May 14, 2022Observed: 1513.96 ft at 6:45AM May 14, 2022Observed: 1513.96 ft at 7:00AM May 14, 2022Observed: 1513.96 ft at 7:15AM May 14, 2022Observed: 1513.96 ft at 7:30AM May 14, 2022Observed: 1513.95 ft at 7:45AM May 14, 2022Observed: 1513.95 ft at 8:00AM May 14, 2022Observed: 1513.95 ft at 8:15AM May 14, 2022Observed: 1513.94 ft at 8:30AM May 14, 2022Observed: 1513.92 ft at 8:45AM May 14, 2022Observed: 1513.92 ft at 9:00AM May 14, 2022Observed: 1513.93 ft at 9:15AM May 14, 2022Observed: 1513.92 ft at 9:30AM May 14, 2022Observed: 1513.91 ft at 9:45AM May 14, 2022Observed: 1513.91 ft at 10:00AM May 14, 2022Observed: 1513.91 ft at 10:15AM May 14, 2022Observed: 1513.9 ft at 10:30AM May 14, 2022Observed: 1513.89 ft at 10:45AM May 14, 2022Observed: 1513.89 ft at 11:00AM May 14, 2022Observed: 1513.89 ft at 11:15AM May 14, 2022Observed: 1513.89 ft at 11:30AM May 14, 2022Observed: 1513.89 ft at 11:45AM May 14, 2022Observed: 1513.87 ft at 12:00PM May 14, 2022Observed: 1513.88 ft at 12:15PM May 14, 2022Observed: 1513.87 ft at 12:30PM May 14, 2022Observed: 1513.87 ft at 12:45PM May 14, 2022Observed: 1513.87 ft at 1:00PM May 14, 2022Observed: 1513.87 ft at 1:15PM May 14, 2022Observed: 1513.86 ft at 1:30PM May 14, 2022Observed: 1513.86 ft at 1:45PM May 14, 2022Observed: 1513.85 ft at 2:00PM May 14, 2022Observed: 1513.86 ft at 2:15PM May 14, 2022Observed: 1513.85 ft at 2:30PM May 14, 2022Observed: 1513.84 ft at 2:45PM May 14, 2022Observed: 1513.86 ft at 3:00PM May 14, 2022Observed: 1513.83 ft at 3:15PM May 14, 2022Observed: 1513.83 ft at 3:30PM May 14, 2022Observed: 1513.83 ft at 3:45PM May 14, 2022Observed: 1513.82 ft at 4:00PM May 14, 2022Observed: 1513.81 ft at 4:15PM May 14, 2022Observed: 1513.82 ft at 4:30PM May 14, 2022Observed: 1513.81 ft at 4:45PM May 14, 2022Observed: 1513.8 ft at 5:00PM May 14, 2022Observed: 1513.81 ft at 5:15PM May 14, 2022Observed: 1513.79 ft at 5:30PM May 14, 2022Observed: 1513.79 ft at 5:45PM May 14, 2022Observed: 1513.79 ft at 6:00PM May 14, 2022Observed: 1513.78 ft at 6:15PM May 14, 2022Observed: 1513.77 ft at 6:30PM May 14, 2022Observed: 1513.77 ft at 6:45PM May 14, 2022Observed: 1513.77 ft at 7:00PM May 14, 2022Observed: 1513.77 ft at 7:15PM May 14, 2022Observed: 1513.77 ft at 7:30PM May 14, 2022Observed: 1513.76 ft at 7:45PM May 14, 2022Observed: 1513.76 ft at 8:00PM May 14, 2022Observed: 1513.75 ft at 8:15PM May 14, 2022Observed: 1513.75 ft at 8:30PM May 14, 2022Observed: 1513.74 ft at 8:45PM May 14, 2022Observed: 1513.74 ft at 9:00PM May 14, 2022Observed: 1513.74 ft at 9:15PM May 14, 2022Observed: 1513.73 ft at 9:30PM May 14, 2022Observed: 1513.73 ft at 9:45PM May 14, 2022Observed: 1513.73 ft at 10:00PM May 14, 2022Observed: 1513.73 ft at 10:15PM May 14, 2022Observed: 1513.72 ft at 10:30PM May 14, 2022Observed: 1513.71 ft at 10:45PM May 14, 2022Observed: 1513.69 ft at 11:00PM May 14, 2022Observed: 1513.7 ft at 11:15PM May 14, 2022Observed: 1513.7 ft at 11:30PM May 14, 2022Observed: 1513.69 ft at 11:45PM May 14, 2022Observed: 1513.69 ft at 12:00AM May 15, 2022Observed: 1513.69 ft at 12:15AM May 15, 2022Observed: 1513.69 ft at 12:30AM May 15, 2022Observed: 1513.68 ft at 12:45AM May 15, 2022Observed: 1513.68 ft at 1:00AM May 15, 2022Observed: 1513.68 ft at 1:15AM May 15, 2022Observed: 1513.68 ft at 1:30AM May 15, 2022Observed: 1513.67 ft at 1:45AM May 15, 2022Observed: 1513.67 ft at 2:00AM May 15, 2022Observed: 1513.66 ft at 2:15AM May 15, 2022Observed: 1513.67 ft at 2:30AM May 15, 2022Observed: 1513.66 ft at 2:45AM May 15, 2022Observed: 1513.65 ft at 3:00AM May 15, 2022Observed: 1513.65 ft at 3:15AM May 15, 2022Observed: 1513.64 ft at 3:30AM May 15, 2022Observed: 1513.63 ft at 3:45AM May 15, 2022Observed: 1513.63 ft at 4:00AM May 15, 2022Observed: 1513.63 ft at 4:15AM May 15, 2022Observed: 1513.62 ft at 4:30AM May 15, 2022Observed: 1513.62 ft at 4:45AM May 15, 2022Observed: 1513.62 ft at 5:00AM May 15, 2022Observed: 1513.61 ft at 5:15AM May 15, 2022Observed: 1513.6 ft at 5:30AM May 15, 2022Observed: 1513.6 ft at 5:45AM May 15, 2022Observed: 1513.6 ft at 6:00AM May 15, 2022Observed: 1513.59 ft at 6:15AM May 15, 2022Observed: 1513.59 ft at 6:30AM May 15, 2022Observed: 1513.59 ft at 6:45AM May 15, 2022Observed: 1513.58 ft at 7:00AM May 15, 2022Observed: 1513.58 ft at 7:15AM May 15, 2022Observed: 1513.57 ft at 7:30AM May 15, 2022Observed: 1513.58 ft at 7:45AM May 15, 2022Observed: 1513.57 ft at 8:00AM May 15, 2022Observed: 1513.57 ft at 8:15AM May 15, 2022Observed: 1513.56 ft at 8:30AM May 15, 2022Observed: 1513.56 ft at 8:45AM May 15, 2022Observed: 1513.56 ft at 9:00AM May 15, 2022Observed: 1513.55 ft at 9:15AM May 15, 2022Observed: 1513.54 ft at 9:30AM May 15, 2022Observed: 1513.54 ft at 9:45AM May 15, 2022Observed: 1513.54 ft at 10:00AM May 15, 2022Observed: 1513.53 ft at 10:15AM May 15, 2022Observed: 1513.52 ft at 10:30AM May 15, 2022Observed: 1513.52 ft at 10:45AM May 15, 2022Observed: 1513.52 ft at 11:00AM May 15, 2022Observed: 1513.53 ft at 11:15AM May 15, 2022Observed: 1513.53 ft at 11:30AM May 15, 2022Observed: 1513.52 ft at 11:45AM May 15, 2022Observed: 1513.5 ft at 12:00PM May 15, 2022Observed: 1513.49 ft at 12:15PM May 15, 2022Observed: 1513.49 ft at 12:30PM May 15, 2022Observed: 1513.48 ft at 12:45PM May 15, 2022Observed: 1513.48 ft at 1:00PM May 15, 2022Observed: 1513.48 ft at 1:15PM May 15, 2022Observed: 1513.46 ft at 1:30PM May 15, 2022Observed: 1513.47 ft at 1:45PM May 15, 2022Observed: 1513.46 ft at 2:00PM May 15, 2022Observed: 1513.46 ft at 2:15PM May 15, 2022Observed: 1513.45 ft at 2:30PM May 15, 2022Observed: 1513.46 ft at 2:45PM May 15, 2022Observed: 1513.45 ft at 3:00PM May 15, 2022Observed: 1513.45 ft at 3:15PM May 15, 2022Observed: 1513.44 ft at 3:30PM May 15, 2022Observed: 1513.43 ft at 3:45PM May 15, 2022Observed: 1513.43 ft at 4:00PM May 15, 2022Observed: 1513.42 ft at 4:15PM May 15, 2022Observed: 1513.41 ft at 4:30PM May 15, 2022Observed: 1513.42 ft at 4:45PM May 15, 2022Observed: 1513.41 ft at 5:00PM May 15, 2022Observed: 1513.4 ft at 5:15PM May 15, 2022Observed: 1513.4 ft at 5:30PM May 15, 2022Observed: 1513.39 ft at 5:45PM May 15, 2022Observed: 1513.4 ft at 6:00PM May 15, 2022Observed: 1513.39 ft at 6:15PM May 15, 2022Observed: 1513.38 ft at 6:30PM May 15, 2022Observed: 1513.38 ft at 6:45PM May 15, 2022Observed: 1513.37 ft at 7:00PM May 15, 2022Observed: 1513.38 ft at 7:15PM May 15, 2022Observed: 1513.37 ft at 7:30PM May 15, 2022Observed: 1513.36 ft at 7:45PM May 15, 2022Observed: 1513.36 ft at 8:00PM May 15, 2022Observed: 1513.35 ft at 8:15PM May 15, 2022Observed: 1513.35 ft at 8:30PM May 15, 2022Observed: 1513.34 ft at 8:45PM May 15, 2022Observed: 1513.34 ft at 9:00PM May 15, 2022Observed: 1513.34 ft at 9:15PM May 15, 2022Observed: 1513.33 ft at 9:30PM May 15, 2022Observed: 1513.33 ft at 9:45PM May 15, 2022Observed: 1513.32 ft at 10:00PM May 15, 2022Observed: 1513.32 ft at 10:15PM May 15, 2022Observed: 1513.32 ft at 10:30PM May 15, 2022Observed: 1513.31 ft at 10:45PM May 15, 2022Observed: 1513.3 ft at 11:00PM May 15, 2022Observed: 1513.3 ft at 11:15PM May 15, 2022Observed: 1513.3 ft at 11:30PM May 15, 2022Observed: 1513.29 ft at 11:45PM May 15, 2022Observed: 1513.29 ft at 12:00AM May 16, 2022Observed: 1513.29 ft at 12:15AM May 16, 2022Observed: 1513.29 ft at 12:30AM May 16, 2022Observed: 1513.28 ft at 12:45AM May 16, 2022Observed: 1513.28 ft at 1:00AM May 16, 2022Observed: 1513.27 ft at 1:15AM May 16, 2022Observed: 1513.27 ft at 1:30AM May 16, 2022Observed: 1513.27 ft at 1:45AM May 16, 2022Observed: 1513.26 ft at 2:00AM May 16, 2022Observed: 1513.26 ft at 2:15AM May 16, 2022Observed: 1513.25 ft at 2:30AM May 16, 2022Observed: 1513.25 ft at 2:45AM May 16, 2022Observed: 1513.24 ft at 3:00AM May 16, 2022Observed: 1513.24 ft at 3:15AM May 16, 2022Observed: 1513.23 ft at 3:30AM May 16, 2022Observed: 1513.23 ft at 3:45AM May 16, 2022Observed: 1513.23 ft at 4:00AM May 16, 2022Observed: 1513.22 ft at 4:15AM May 16, 2022Observed: 1513.22 ft at 4:30AM May 16, 2022Observed: 1513.22 ft at 4:45AM May 16, 2022Observed: 1513.21 ft at 5:00AM May 16, 2022Observed: 1513.21 ft at 5:15AM May 16, 2022Observed: 1513.2 ft at 5:30AM May 16, 2022Observed: 1513.2 ft at 5:45AM May 16, 2022Observed: 1513.19 ft at 6:00AM May 16, 2022Observed: 1513.19 ft at 6:15AM May 16, 2022Observed: 1513.19 ft at 6:30AM May 16, 2022Observed: 1513.18 ft at 6:45AM May 16, 2022Observed: 1513.18 ft at 7:00AM May 16, 2022Observed: 1513.18 ft at 7:15AM May 16, 2022Observed: 1513.18 ft at 7:30AM May 16, 2022Observed: 1513.18 ft at 7:45AM May 16, 2022Observed: 1513.17 ft at 8:00AM May 16, 2022Observed: 1513.17 ft at 8:15AM May 16, 2022Observed: 1513.16 ft at 8:30AM May 16, 2022Observed: 1513.16 ft at 8:45AM May 16, 2022Observed: 1513.16 ft at 9:00AM May 16, 2022Observed: 1513.17 ft at 9:15AM May 16, 2022Observed: 1513.16 ft at 9:30AM May 16, 2022Observed: 1513.17 ft at 9:45AM May 16, 2022Observed: 1513.16 ft at 10:00AM May 16, 2022Observed: 1513.15 ft at 10:15AM May 16, 2022Observed: 1513.14 ft at 10:30AM May 16, 2022Observed: 1513.15 ft at 10:45AM May 16, 2022Observed: 1513.14 ft at 11:00AM May 16, 2022Observed: 1513.15 ft at 11:15AM May 16, 2022Observed: 1513.14 ft at 11:30AM May 16, 2022Observed: 1513.14 ft at 11:45AM May 16, 2022Observed: 1513.14 ft at 12:00PM May 16, 2022Observed: 1513.14 ft at 12:15PM May 16, 2022Observed: 1513.13 ft at 12:30PM May 16, 2022Observed: 1513.14 ft at 12:45PM May 16, 2022Observed: 1513.13 ft at 1:00PM May 16, 2022Observed: 1513.13 ft at 1:15PM May 16, 2022Observed: 1513.12 ft at 1:30PM May 16, 2022Observed: 1513.13 ft at 1:45PM May 16, 2022Observed: 1513.13 ft at 2:00PM May 16, 2022Observed: 1513.13 ft at 2:15PM May 16, 2022Observed: 1513.13 ft at 2:30PM May 16, 2022Observed: 1513.13 ft at 2:45PM May 16, 2022Observed: 1513.13 ft at 3:00PM May 16, 2022Observed: 1513.13 ft at 3:15PM May 16, 2022Observed: 1513.13 ft at 3:30PM May 16, 2022Observed: 1513.13 ft at 3:45PM May 16, 2022Observed: 1513.12 ft at 4:00PM May 16, 2022Observed: 1513.11 ft at 4:15PM May 16, 2022Observed: 1513.11 ft at 4:30PM May 16, 2022Observed: 1513.11 ft at 4:45PM May 16, 2022Observed: 1513.12 ft at 5:00PM May 16, 2022Observed: 1513.11 ft at 5:15PM May 16, 2022Observed: 1513.11 ft at 5:30PM May 16, 2022Observed: 1513.11 ft at 5:45PM May 16, 2022Observed: 1513.1 ft at 6:00PM May 16, 2022Observed: 1513.1 ft at 6:15PM May 16, 2022Observed: 1513.09 ft at 6:30PM May 16, 2022Observed: 1513.08 ft at 6:45PM May 16, 2022Observed: 1513.07 ft at 7:00PM May 16, 2022Observed: 1513.07 ft at 7:15PM May 16, 2022Observed: 1513.06 ft at 7:30PM May 16, 2022Observed: 1513.06 ft at 7:45PM May 16, 2022Observed: 1513.06 ft at 8:00PM May 16, 2022Observed: 1513.06 ft at 8:15PM May 16, 2022Observed: 1513.04 ft at 8:30PM May 16, 2022Observed: 1513.05 ft at 8:45PM May 16, 2022Observed: 1513.05 ft at 9:00PM May 16, 2022Observed: 1513.04 ft at 9:15PM May 16, 2022Observed: 1513.04 ft at 9:30PM May 16, 2022Observed: 1513.04 ft at 9:45PM May 16, 2022Observed: 1513.03 ft at 10:00PM May 16, 2022Observed: 1513.03 ft at 10:15PM May 16, 2022Observed: 1513.03 ft at 10:30PM May 16, 2022Observed: 1513.03 ft at 10:45PM May 16, 2022Observed: 1513.02 ft at 11:00PM May 16, 2022Observed: 1513.03 ft at 11:15PM May 16, 2022Observed: 1513.02 ft at 11:30PM May 16, 2022Observed: 1513.02 ft at 11:45PM May 16, 2022Observed: 1513.02 ft at 12:00AM May 17, 2022Observed: 1513.02 ft at 12:15AM May 17, 2022Observed: 1513.01 ft at 12:30AM May 17, 2022Observed: 1513 ft at 12:45AM May 17, 2022Observed: 1513 ft at 1:00AM May 17, 2022Observed: 1513 ft at 1:15AM May 17, 2022Observed: 1513 ft at 1:30AM May 17, 2022Observed: 1513 ft at 1:45AM May 17, 2022Observed: 1512.99 ft at 2:00AM May 17, 2022Observed: 1512.99 ft at 2:15AM May 17, 2022Observed: 1512.99 ft at 2:30AM May 17, 2022Observed: 1512.98 ft at 2:45AM May 17, 2022Observed: 1512.97 ft at 3:00AM May 17, 2022Observed: 1512.96 ft at 3:15AM May 17, 2022Observed: 1512.96 ft at 3:30AM May 17, 2022Observed: 1512.98 ft at 3:45AM May 17, 2022Observed: 1512.98 ft at 4:00AM May 17, 2022Observed: 1512.97 ft at 4:15AM May 17, 2022Observed: 1512.97 ft at 4:30AM May 17, 2022Observed: 1512.97 ft at 4:45AM May 17, 2022Observed: 1512.97 ft at 5:00AM May 17, 2022Observed: 1512.97 ft at 5:15AM May 17, 2022Observed: 1512.96 ft at 5:30AM May 17, 2022Observed: 1512.96 ft at 5:45AM May 17, 2022Observed: 1512.96 ft at 6:00AM May 17, 2022Observed: 1512.95 ft at 6:15AM May 17, 2022Observed: 1512.96 ft at 6:30AM May 17, 2022Observed: 1512.95 ft at 6:45AM May 17, 2022Observed: 1512.95 ft at 7:00AM May 17, 2022Observed: 1512.95 ft at 7:15AM May 17, 2022Observed: 1512.97 ft at 7:30AM May 17, 2022Observed: 1512.96 ft at 7:45AM May 17, 2022Observed: 1512.96 ft at 8:00AM May 17, 2022Observed: 1512.96 ft at 8:15AM May 17, 2022Observed: 1512.96 ft at 8:30AM May 17, 2022Observed: 1512.96 ft at 8:45AM May 17, 2022Observed: 1512.97 ft at 9:00AM May 17, 2022Observed: 1512.97 ft at 9:15AM May 17, 2022Observed: 1512.98 ft at 9:30AM May 17, 2022Observed: 1512.98 ft at 9:45AM May 17, 2022Observed: 1512.96 ft at 10:00AM May 17, 2022Observed: 1512.96 ft at 10:15AM May 17, 2022Observed: 1512.97 ft at 10:30AM May 17, 2022Observed: 1512.97 ft at 10:45AM May 17, 2022Observed: 1512.97 ft at 11:00AM May 17, 2022Observed: 1512.96 ft at 11:15AM May 17, 2022Observed: 1512.95 ft at 11:30AM May 17, 2022Observed: 1512.96 ft at 11:45AM May 17, 2022Observed: 1512.96 ft at 12:00PM May 17, 2022Observed: 1512.96 ft at 12:15PM May 17, 2022Observed: 1512.96 ft at 12:30PM May 17, 2022Observed: 1512.97 ft at 12:45PM May 17, 2022Observed: 1512.96 ft at 1:00PM May 17, 2022Observed: 1512.96 ft at 1:15PM May 17, 2022Observed: 1512.95 ft at 1:30PM May 17, 2022Observed: 1512.96 ft at 1:45PM May 17, 2022Observed: 1512.96 ft at 2:00PM May 17, 2022Observed: 1512.96 ft at 2:15PM May 17, 2022Observed: 1512.97 ft at 2:30PM May 17, 2022Observed: 1512.97 ft at 2:45PM May 17, 2022Observed: 1512.97 ft at 3:00PM May 17, 2022Observed: 1512.97 ft at 3:15PM May 17, 2022Observed: 1512.97 ft at 3:30PM May 17, 2022Observed: 1512.96 ft at 3:45PM May 17, 2022Observed: 1512.98 ft at 4:00PM May 17, 2022Observed: 1512.99 ft at 4:15PM May 17, 2022Observed: 1512.96 ft at 4:30PM May 17, 2022Observed: 1512.98 ft at 4:45PM May 17, 2022Observed: 1512.98 ft at 5:00PM May 17, 2022Observed: 1512.98 ft at 5:15PM May 17, 2022Observed: 1512.97 ft at 5:30PM May 17, 2022Observed: 1512.97 ft at 5:45PM May 17, 2022Observed: 1512.96 ft at 6:00PM May 17, 2022Observed: 1512.97 ft at 6:15PM May 17, 2022Observed: 1512.96 ft at 6:30PM May 17, 2022Observed: 1512.97 ft at 6:45PM May 17, 2022Observed: 1512.97 ft at 7:00PM May 17, 2022Observed: 1512.97 ft at 7:15PM May 17, 2022Observed: 1512.97 ft at 7:30PM May 17, 2022Observed: 1512.97 ft at 7:45PM May 17, 2022Observed: 1512.96 ft at 8:00PM May 17, 2022Observed: 1512.96 ft at 8:15PM May 17, 2022Observed: 1512.96 ft at 8:30PM May 17, 2022Observed: 1512.96 ft at 8:45PM May 17, 2022Observed: 1512.96 ft at 9:00PM May 17, 2022Observed: 1512.96 ft at 9:15PM May 17, 2022Observed: 1512.96 ft at 9:30PM May 17, 2022Observed: 1512.95 ft at 9:45PM May 17, 2022Observed: 1512.95 ft at 10:00PM May 17, 2022South Dakota DANREGAS2(plotting HGIRG) Graph Created (10:49PM May 17, 2022)ObservedLatest observed value: 1512.95 ft at 10:00 PM CDT 17-May-2022. Flood Stage is 1516.5 ft
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Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: No forecasts are available for this location

NOTE: Forecasts are not available for the Big Sioux River near Egan. Only observed stages are available for this point.

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Upstream Gauge - above Flandreau Upstream Gauge Downstream Gauge Downstream Gauge - at Trent
Flood Categories (in feet)
Major Flood Stage: 1521
Moderate Flood Stage: 1519
Flood Stage: 1516.5
Action Stage: 1515
Low Stage (in feet): 0

Historic Crests
(1) 1,524.20 ft on 09/12/2019
(2) 1,522.48 ft on 03/23/2019 (P)
(3) 1,520.30 ft on 04/26/2018
(4) 1,518.60 ft on 04/24/2018
(5) 1,517.64 ft on 03/13/2020

(P): Preliminary values subject to further review.

Recent Crests
(1) 1,517.64 ft on 03/13/2020
(2) 1,524.20 ft on 09/12/2019
(3) 1,522.48 ft on 03/23/2019 (P)
(4) 1,520.30 ft on 04/26/2018
(5) 1,518.60 ft on 04/24/2018

(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:16
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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
1527 the bridge on 478th Avenue is overtopped.
1524 the bridge on 2nd Street is overtopped.
1523 the brige on Highway 34 is overtopped, and water reaches the bottom of the bridge on 478th Avenue.
1522 water reaches the bottom of the brige on 2nd Street and the ballfield at Egan Park floods.
1521 Highway 34 begins to flood, and 478th Avenue north of the bridge begins to flood.
1519 water is across the road on both sides of the bridge by the Egan Park, and water reaches the bottom of the bridge on Highway 34.
1516.5 flooding begins to affect agricultural lands around Egan.
1515.5 the lowest banks overflow near Highway 34 and also near 478th Avenue.
About This Location Collapse

Latitude: 44.007222° N, Longitude: 96.629167° W, Horizontal Datum: NAD27

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 1516.5 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)		 Elevation
(gauge height = flood stage)		 Elevation information source
NAVD88 0.00 1516.50 Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  
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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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