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Hydrograph River at a Glance Download
Big Sioux River at Lake Poinsett Inlet/Outlet Lake Elevation (ft)Observed: 1653.51 ft at 12:00AM Jul 15, 2018Observed: 1653.52 ft at 12:15AM Jul 15, 2018Observed: 1653.52 ft at 12:30AM Jul 15, 2018Observed: 1653.52 ft at 12:45AM Jul 15, 2018Observed: 1653.52 ft at 1:00AM Jul 15, 2018Observed: 1653.52 ft at 1:15AM Jul 15, 2018Observed: 1653.52 ft at 1:30AM Jul 15, 2018Observed: 1653.51 ft at 1:45AM Jul 15, 2018Observed: 1653.52 ft at 2:00AM Jul 15, 2018Observed: 1653.52 ft at 2:15AM Jul 15, 2018Observed: 1653.52 ft at 2:30AM Jul 15, 2018Observed: 1653.52 ft at 2:45AM Jul 15, 2018Observed: 1653.52 ft at 3:00AM Jul 15, 2018Observed: 1653.52 ft at 3:15AM Jul 15, 2018Observed: 1653.52 ft at 3:30AM Jul 15, 2018Observed: 1653.52 ft at 3:45AM Jul 15, 2018Observed: 1653.52 ft at 4:00AM Jul 15, 2018Observed: 1653.51 ft at 4:15AM Jul 15, 2018Observed: 1653.51 ft at 4:30AM Jul 15, 2018Observed: 1653.51 ft at 4:45AM Jul 15, 2018Observed: 1653.51 ft at 5:00AM Jul 15, 2018Observed: 1653.52 ft at 5:15AM Jul 15, 2018Observed: 1653.52 ft at 5:30AM Jul 15, 2018Observed: 1653.52 ft at 5:45AM Jul 15, 2018Observed: 1653.52 ft at 6:00AM Jul 15, 2018Observed: 1653.52 ft at 6:15AM Jul 15, 2018Observed: 1653.52 ft at 6:30AM Jul 15, 2018Observed: 1653.52 ft at 6:45AM Jul 15, 2018Observed: 1653.51 ft at 7:00AM Jul 15, 2018Observed: 1653.5 ft at 7:15AM Jul 15, 2018Observed: 1653.51 ft at 7:30AM Jul 15, 2018Observed: 1653.51 ft at 7:45AM Jul 15, 2018Observed: 1653.51 ft at 8:00AM Jul 15, 2018Observed: 1653.51 ft at 8:15AM Jul 15, 2018Observed: 1653.51 ft at 8:30AM Jul 15, 2018Observed: 1653.5 ft at 8:45AM Jul 15, 2018Observed: 1653.5 ft at 9:00AM Jul 15, 2018Observed: 1653.47 ft at 9:15AM Jul 15, 2018Observed: 1653.48 ft at 9:30AM Jul 15, 2018Observed: 1653.49 ft at 9:45AM Jul 15, 2018Observed: 1653.46 ft at 10:00AM Jul 15, 2018Observed: 1653.43 ft at 10:15AM Jul 15, 2018Observed: 1653.45 ft at 10:30AM Jul 15, 2018Observed: 1653.46 ft at 10:45AM Jul 15, 2018Observed: 1653.44 ft at 11:00AM Jul 15, 2018Observed: 1653.47 ft at 11:15AM Jul 15, 2018Observed: 1653.45 ft at 11:30AM Jul 15, 2018Observed: 1653.47 ft at 11:45AM Jul 15, 2018Observed: 1653.46 ft at 12:00PM Jul 15, 2018Observed: 1653.44 ft at 12:15PM Jul 15, 2018Observed: 1653.45 ft at 12:30PM Jul 15, 2018Observed: 1653.44 ft at 12:45PM Jul 15, 2018Observed: 1653.46 ft at 1:00PM Jul 15, 2018Observed: 1653.45 ft at 1:15PM Jul 15, 2018Observed: 1653.47 ft at 1:30PM Jul 15, 2018Observed: 1653.45 ft at 1:45PM Jul 15, 2018Observed: 1653.45 ft at 2:00PM Jul 15, 2018Observed: 1653.47 ft at 2:15PM Jul 15, 2018Observed: 1653.45 ft at 2:30PM Jul 15, 2018Observed: 1653.47 ft at 2:45PM Jul 15, 2018Observed: 1653.47 ft at 3:00PM Jul 15, 2018Observed: 1653.46 ft at 3:15PM Jul 15, 2018Observed: 1653.47 ft at 3:30PM Jul 15, 2018Observed: 1653.48 ft at 3:45PM Jul 15, 2018Observed: 1653.47 ft at 4:00PM Jul 15, 2018Observed: 1653.47 ft at 4:15PM Jul 15, 2018Observed: 1653.47 ft at 4:30PM Jul 15, 2018Observed: 1653.46 ft at 4:45PM Jul 15, 2018Observed: 1653.46 ft at 5:00PM Jul 15, 2018Observed: 1653.47 ft at 5:15PM Jul 15, 2018Observed: 1653.48 ft at 5:30PM Jul 15, 2018Observed: 1653.46 ft at 5:45PM Jul 15, 2018Observed: 1653.48 ft at 6:00PM Jul 15, 2018Observed: 1653.46 ft at 6:15PM Jul 15, 2018Observed: 1653.45 ft at 6:30PM Jul 15, 2018Observed: 1653.48 ft at 6:45PM Jul 15, 2018Observed: 1653.48 ft at 7:00PM Jul 15, 2018Observed: 1653.48 ft at 7:15PM Jul 15, 2018Observed: 1653.49 ft at 7:30PM Jul 15, 2018Observed: 1653.49 ft at 7:45PM Jul 15, 2018Observed: 1653.48 ft at 8:00PM Jul 15, 2018Observed: 1653.49 ft at 8:15PM Jul 15, 2018Observed: 1653.49 ft at 8:30PM Jul 15, 2018Observed: 1653.49 ft at 8:45PM Jul 15, 2018Observed: 1653.49 ft at 9:00PM Jul 15, 2018Observed: 1653.48 ft at 9:15PM Jul 15, 2018Observed: 1653.5 ft at 9:30PM Jul 15, 2018Observed: 1653.49 ft at 9:45PM Jul 15, 2018Observed: 1653.49 ft at 10:00PM Jul 15, 2018Observed: 1653.49 ft at 10:15PM Jul 15, 2018Observed: 1653.49 ft at 10:30PM Jul 15, 2018Observed: 1653.49 ft at 10:45PM Jul 15, 2018Observed: 1653.49 ft at 11:00PM Jul 15, 2018Observed: 1653.5 ft at 11:15PM Jul 15, 2018Observed: 1653.49 ft at 11:30PM Jul 15, 2018Observed: 1653.49 ft at 11:45PM Jul 15, 2018Observed: 1653.5 ft at 12:00AM Jul 16, 2018Observed: 1653.49 ft at 12:15AM Jul 16, 2018Observed: 1653.5 ft at 12:30AM Jul 16, 2018Observed: 1653.5 ft at 12:45AM Jul 16, 2018Observed: 1653.5 ft at 1:00AM Jul 16, 2018Observed: 1653.5 ft at 1:15AM Jul 16, 2018Observed: 1653.5 ft at 1:30AM Jul 16, 2018Observed: 1653.5 ft at 1:45AM Jul 16, 2018Observed: 1653.5 ft at 2:00AM Jul 16, 2018Observed: 1653.5 ft at 2:15AM Jul 16, 2018Observed: 1653.5 ft at 2:30AM Jul 16, 2018Observed: 1653.49 ft at 2:45AM Jul 16, 2018Observed: 1653.5 ft at 3:00AM Jul 16, 2018Observed: 1653.49 ft at 3:15AM Jul 16, 2018Observed: 1653.49 ft at 3:30AM Jul 16, 2018Observed: 1653.5 ft at 3:45AM Jul 16, 2018Observed: 1653.49 ft at 4:00AM Jul 16, 2018Observed: 1653.49 ft at 4:15AM Jul 16, 2018Observed: 1653.49 ft at 4:30AM Jul 16, 2018Observed: 1653.49 ft at 4:45AM Jul 16, 2018Observed: 1653.5 ft at 5:00AM Jul 16, 2018Observed: 1653.5 ft at 5:15AM Jul 16, 2018Observed: 1653.48 ft at 5:30AM Jul 16, 2018Observed: 1653.49 ft at 5:45AM Jul 16, 2018Observed: 1653.5 ft at 6:00AM Jul 16, 2018Observed: 1653.49 ft at 6:15AM Jul 16, 2018Observed: 1653.49 ft at 6:30AM Jul 16, 2018Observed: 1653.5 ft at 6:45AM Jul 16, 2018Observed: 1653.49 ft at 7:00AM Jul 16, 2018Observed: 1653.49 ft at 7:15AM Jul 16, 2018Observed: 1653.49 ft at 7:30AM Jul 16, 2018Observed: 1653.49 ft at 7:45AM Jul 16, 2018Observed: 1653.49 ft at 8:00AM Jul 16, 2018Observed: 1653.49 ft at 8:15AM Jul 16, 2018Observed: 1653.49 ft at 8:30AM Jul 16, 2018Observed: 1653.49 ft at 8:45AM Jul 16, 2018Observed: 1653.49 ft at 9:00AM Jul 16, 2018Observed: 1653.49 ft at 9:15AM Jul 16, 2018Observed: 1653.49 ft at 9:30AM Jul 16, 2018Observed: 1653.48 ft at 9:45AM Jul 16, 2018Observed: 1653.48 ft at 10:00AM Jul 16, 2018Observed: 1653.48 ft at 10:15AM Jul 16, 2018Observed: 1653.48 ft at 10:30AM Jul 16, 2018Observed: 1653.46 ft at 10:45AM Jul 16, 2018Observed: 1653.46 ft at 11:00AM Jul 16, 2018Observed: 1653.45 ft at 11:15AM Jul 16, 2018Observed: 1653.45 ft at 11:30AM Jul 16, 2018Observed: 1653.46 ft at 11:45AM Jul 16, 2018Observed: 1653.46 ft at 12:00PM Jul 16, 2018Observed: 1653.46 ft at 12:15PM Jul 16, 2018Observed: 1653.46 ft at 12:30PM Jul 16, 2018Observed: 1653.46 ft at 12:45PM Jul 16, 2018Observed: 1653.46 ft at 1:00PM Jul 16, 2018Observed: 1653.45 ft at 1:15PM Jul 16, 2018Observed: 1653.46 ft at 1:30PM Jul 16, 2018Observed: 1653.45 ft at 1:45PM Jul 16, 2018Observed: 1653.45 ft at 2:00PM Jul 16, 2018Observed: 1653.45 ft at 2:15PM Jul 16, 2018Observed: 1653.45 ft at 2:30PM Jul 16, 2018Observed: 1653.43 ft at 2:45PM Jul 16, 2018Observed: 1653.45 ft at 3:00PM Jul 16, 2018Observed: 1653.45 ft at 3:15PM Jul 16, 2018Observed: 1653.46 ft at 3:30PM Jul 16, 2018Observed: 1653.46 ft at 3:45PM Jul 16, 2018Observed: 1653.46 ft at 4:00PM Jul 16, 2018Observed: 1653.46 ft at 4:15PM Jul 16, 2018Observed: 1653.46 ft at 4:30PM Jul 16, 2018Observed: 1653.46 ft at 4:45PM Jul 16, 2018Observed: 1653.45 ft at 5:00PM Jul 16, 2018Observed: 1653.45 ft at 5:15PM Jul 16, 2018Observed: 1653.46 ft at 5:30PM Jul 16, 2018Observed: 1653.45 ft at 5:45PM Jul 16, 2018Observed: 1653.45 ft at 6:00PM Jul 16, 2018Observed: 1653.46 ft at 6:15PM Jul 16, 2018Observed: 1653.46 ft at 6:30PM Jul 16, 2018Observed: 1653.46 ft at 6:45PM Jul 16, 2018Observed: 1653.46 ft at 7:00PM Jul 16, 2018Observed: 1653.46 ft at 7:15PM Jul 16, 2018Observed: 1653.47 ft at 7:30PM Jul 16, 2018Observed: 1653.47 ft at 7:45PM Jul 16, 2018Observed: 1653.47 ft at 8:00PM Jul 16, 2018Observed: 1653.47 ft at 8:15PM Jul 16, 2018Observed: 1653.47 ft at 8:30PM Jul 16, 2018Observed: 1653.47 ft at 8:45PM Jul 16, 2018Observed: 1653.48 ft at 9:00PM Jul 16, 2018Observed: 1653.48 ft at 9:15PM Jul 16, 2018Observed: 1653.48 ft at 9:30PM Jul 16, 2018Observed: 1653.47 ft at 9:45PM Jul 16, 2018Observed: 1653.47 ft at 10:00PM Jul 16, 2018Observed: 1653.47 ft at 10:15PM Jul 16, 2018Observed: 1653.48 ft at 10:30PM Jul 16, 2018Observed: 1653.47 ft at 10:45PM Jul 16, 2018Observed: 1653.47 ft at 11:00PM Jul 16, 2018Observed: 1653.48 ft at 11:15PM Jul 16, 2018Observed: 1653.47 ft at 11:30PM Jul 16, 2018Observed: 1653.48 ft at 11:45PM Jul 16, 2018Observed: 1653.48 ft at 12:00AM Jul 17, 2018Observed: 1653.48 ft at 12:15AM Jul 17, 2018Observed: 1653.48 ft at 12:30AM Jul 17, 2018Observed: 1653.48 ft at 12:45AM Jul 17, 2018Observed: 1653.48 ft at 1:00AM Jul 17, 2018Observed: 1653.48 ft at 1:15AM Jul 17, 2018Observed: 1653.48 ft at 1:30AM Jul 17, 2018Observed: 1653.48 ft at 1:45AM Jul 17, 2018Observed: 1653.47 ft at 2:00AM Jul 17, 2018Observed: 1653.47 ft at 2:15AM Jul 17, 2018Observed: 1653.47 ft at 2:30AM Jul 17, 2018Observed: 1653.47 ft at 2:45AM Jul 17, 2018Observed: 1653.47 ft at 3:00AM Jul 17, 2018Observed: 1653.47 ft at 3:15AM Jul 17, 2018Observed: 1653.47 ft at 3:30AM Jul 17, 2018Observed: 1653.47 ft at 3:45AM Jul 17, 2018Observed: 1653.47 ft at 4:00AM Jul 17, 2018Observed: 1653.46 ft at 4:15AM Jul 17, 2018Observed: 1653.46 ft at 4:30AM Jul 17, 2018Observed: 1653.45 ft at 4:45AM Jul 17, 2018Observed: 1653.47 ft at 5:00AM Jul 17, 2018Observed: 1653.46 ft at 5:15AM Jul 17, 2018Observed: 1653.46 ft at 5:30AM Jul 17, 2018Observed: 1653.45 ft at 5:45AM Jul 17, 2018Observed: 1653.44 ft at 6:00AM Jul 17, 2018Observed: 1653.45 ft at 6:15AM Jul 17, 2018Observed: 1653.45 ft at 6:30AM Jul 17, 2018Observed: 1653.46 ft at 6:45AM Jul 17, 2018Observed: 1653.45 ft at 7:00AM Jul 17, 2018Observed: 1653.45 ft at 7:15AM Jul 17, 2018Observed: 1653.46 ft at 7:30AM Jul 17, 2018Observed: 1653.43 ft at 7:45AM Jul 17, 2018Observed: 1653.44 ft at 8:00AM Jul 17, 2018Observed: 1653.43 ft at 8:15AM Jul 17, 2018Observed: 1653.43 ft at 8:30AM Jul 17, 2018Observed: 1653.43 ft at 8:45AM Jul 17, 2018Observed: 1653.42 ft at 9:00AM Jul 17, 2018Observed: 1653.43 ft at 9:15AM Jul 17, 2018Observed: 1653.43 ft at 9:30AM Jul 17, 2018Observed: 1653.44 ft at 9:45AM Jul 17, 2018Observed: 1653.45 ft at 10:00AM Jul 17, 2018Observed: 1653.44 ft at 10:15AM Jul 17, 2018Observed: 1653.43 ft at 10:30AM Jul 17, 2018Observed: 1653.44 ft at 10:45AM Jul 17, 2018Observed: 1653.43 ft at 11:00AM Jul 17, 2018Observed: 1653.44 ft at 11:15AM Jul 17, 2018Observed: 1653.43 ft at 11:30AM Jul 17, 2018Observed: 1653.43 ft at 11:45AM Jul 17, 2018Observed: 1653.43 ft at 12:00PM Jul 17, 2018Observed: 1653.43 ft at 12:15PM Jul 17, 2018Observed: 1653.43 ft at 12:30PM Jul 17, 2018Observed: 1653.43 ft at 12:45PM Jul 17, 2018Observed: 1653.44 ft at 1:00PM Jul 17, 2018Observed: 1653.44 ft at 1:15PM Jul 17, 2018Observed: 1653.44 ft at 1:30PM Jul 17, 2018Observed: 1653.44 ft at 1:45PM Jul 17, 2018Observed: 1653.43 ft at 2:00PM Jul 17, 2018Observed: 1653.42 ft at 2:15PM Jul 17, 2018Observed: 1653.43 ft at 2:30PM Jul 17, 2018Observed: 1653.44 ft at 2:45PM Jul 17, 2018Observed: 1653.44 ft at 3:00PM Jul 17, 2018Observed: 1653.43 ft at 3:15PM Jul 17, 2018Observed: 1653.44 ft at 3:30PM Jul 17, 2018Observed: 1653.44 ft at 3:45PM Jul 17, 2018Observed: 1653.44 ft at 4:00PM Jul 17, 2018Observed: 1653.44 ft at 4:15PM Jul 17, 2018Observed: 1653.44 ft at 4:30PM Jul 17, 2018Observed: 1653.44 ft at 4:45PM Jul 17, 2018Observed: 1653.44 ft at 5:00PM Jul 17, 2018Observed: 1653.44 ft at 5:15PM Jul 17, 2018Observed: 1653.44 ft at 5:30PM Jul 17, 2018Observed: 1653.44 ft at 5:45PM Jul 17, 2018Observed: 1653.44 ft at 6:00PM Jul 17, 2018Observed: 1653.44 ft at 6:15PM Jul 17, 2018Observed: 1653.44 ft at 6:30PM Jul 17, 2018Observed: 1653.45 ft at 6:45PM Jul 17, 2018Observed: 1653.45 ft at 7:00PM Jul 17, 2018Observed: 1653.45 ft at 7:15PM Jul 17, 2018Observed: 1653.44 ft at 7:30PM Jul 17, 2018Observed: 1653.44 ft at 7:45PM Jul 17, 2018Observed: 1653.43 ft at 8:00PM Jul 17, 2018Observed: 1653.44 ft at 8:15PM Jul 17, 2018Observed: 1653.44 ft at 8:30PM Jul 17, 2018Observed: 1653.44 ft at 8:45PM Jul 17, 2018Observed: 1653.45 ft at 9:00PM Jul 17, 2018Observed: 1653.44 ft at 9:15PM Jul 17, 2018Observed: 1653.46 ft at 9:30PM Jul 17, 2018Observed: 1653.45 ft at 9:45PM Jul 17, 2018Observed: 1653.45 ft at 10:00PM Jul 17, 2018Observed: 1653.45 ft at 10:15PM Jul 17, 2018Observed: 1653.45 ft at 10:30PM Jul 17, 2018Observed: 1653.45 ft at 10:45PM Jul 17, 2018Observed: 1653.45 ft at 11:00PM Jul 17, 2018Observed: 1653.45 ft at 11:15PM Jul 17, 2018Observed: 1653.45 ft at 11:30PM Jul 17, 2018Observed: 1653.45 ft at 11:45PM Jul 17, 2018Observed: 1653.45 ft at 12:00AM Jul 18, 2018Observed: 1653.45 ft at 12:15AM Jul 18, 2018Observed: 1653.45 ft at 12:30AM Jul 18, 2018Observed: 1653.45 ft at 12:45AM Jul 18, 2018Observed: 1653.45 ft at 1:00AM Jul 18, 2018Observed: 1653.45 ft at 1:15AM Jul 18, 2018Observed: 1653.45 ft at 1:30AM Jul 18, 2018Observed: 1653.45 ft at 1:45AM Jul 18, 2018Observed: 1653.45 ft at 2:00AM Jul 18, 2018Observed: 1653.45 ft at 2:15AM Jul 18, 2018Observed: 1653.45 ft at 2:30AM Jul 18, 2018Observed: 1653.45 ft at 2:45AM Jul 18, 2018Observed: 1653.45 ft at 3:00AM Jul 18, 2018Observed: 1653.45 ft at 3:15AM Jul 18, 2018Observed: 1653.45 ft at 3:30AM Jul 18, 2018Observed: 1653.45 ft at 3:45AM Jul 18, 2018Observed: 1653.45 ft at 4:00AM Jul 18, 2018Observed: 1653.45 ft at 4:15AM Jul 18, 2018Observed: 1653.45 ft at 4:30AM Jul 18, 2018Observed: 1653.45 ft at 4:45AM Jul 18, 2018Observed: 1653.46 ft at 5:00AM Jul 18, 2018Observed: 1653.45 ft at 5:15AM Jul 18, 2018Observed: 1653.46 ft at 5:30AM Jul 18, 2018Observed: 1653.44 ft at 5:45AM Jul 18, 2018Observed: 1653.44 ft at 6:00AM Jul 18, 2018Observed: 1653.44 ft at 6:15AM Jul 18, 2018Observed: 1653.45 ft at 6:30AM Jul 18, 2018Observed: 1653.45 ft at 6:45AM Jul 18, 2018Observed: 1653.44 ft at 7:00AM Jul 18, 2018Observed: 1653.44 ft at 7:15AM Jul 18, 2018Observed: 1653.44 ft at 7:30AM Jul 18, 2018Observed: 1653.44 ft at 7:45AM Jul 18, 2018Observed: 1653.45 ft at 8:00AM Jul 18, 2018Observed: 1653.44 ft at 8:15AM Jul 18, 2018Observed: 1653.44 ft at 8:30AM Jul 18, 2018Observed: 1653.44 ft at 8:45AM Jul 18, 2018Observed: 1653.44 ft at 9:00AM Jul 18, 2018Observed: 1653.43 ft at 9:15AM Jul 18, 2018Observed: 1653.43 ft at 9:30AM Jul 18, 2018Observed: 1653.43 ft at 9:45AM Jul 18, 2018Observed: 1653.44 ft at 10:00AM Jul 18, 2018Observed: 1653.44 ft at 10:15AM Jul 18, 2018Observed: 1653.43 ft at 10:30AM Jul 18, 2018Observed: 1653.43 ft at 10:45AM Jul 18, 2018Observed: 1653.43 ft at 11:00AM Jul 18, 2018Observed: 1653.42 ft at 11:15AM Jul 18, 2018Observed: 1653.43 ft at 11:30AM Jul 18, 2018Observed: 1653.43 ft at 11:45AM Jul 18, 2018Observed: 1653.42 ft at 12:00PM Jul 18, 2018Observed: 1653.42 ft at 12:15PM Jul 18, 2018Observed: 1653.42 ft at 12:30PM Jul 18, 2018Observed: 1653.43 ft at 12:45PM Jul 18, 2018Observed: 1653.42 ft at 1:00PM Jul 18, 2018Observed: 1653.43 ft at 1:15PM Jul 18, 2018Observed: 1653.42 ft at 1:30PM Jul 18, 2018Observed: 1653.41 ft at 1:45PM Jul 18, 2018Observed: 1653.43 ft at 2:00PM Jul 18, 2018Observed: 1653.42 ft at 2:15PM Jul 18, 2018Observed: 1653.42 ft at 2:30PM Jul 18, 2018Observed: 1653.42 ft at 2:45PM Jul 18, 2018Observed: 1653.41 ft at 3:00PM Jul 18, 2018Observed: 1653.42 ft at 3:15PM Jul 18, 2018Observed: 1653.41 ft at 3:30PM Jul 18, 2018Observed: 1653.41 ft at 3:45PM Jul 18, 2018Observed: 1653.41 ft at 4:00PM Jul 18, 2018Observed: 1653.42 ft at 4:15PM Jul 18, 2018Observed: 1653.42 ft at 4:30PM Jul 18, 2018Observed: 1653.41 ft at 4:45PM Jul 18, 2018Observed: 1653.42 ft at 5:00PM Jul 18, 2018Observed: 1653.41 ft at 5:15PM Jul 18, 2018Observed: 1653.41 ft at 5:30PM Jul 18, 2018Observed: 1653.42 ft at 5:45PM Jul 18, 2018Observed: 1653.41 ft at 6:00PM Jul 18, 2018Observed: 1653.41 ft at 6:15PM Jul 18, 2018Observed: 1653.41 ft at 6:30PM Jul 18, 2018Observed: 1653.41 ft at 6:45PM Jul 18, 2018Observed: 1653.41 ft at 7:00PM Jul 18, 2018Observed: 1653.41 ft at 7:15PM Jul 18, 2018Observed: 1653.42 ft at 7:30PM Jul 18, 2018Observed: 1653.43 ft at 7:45PM Jul 18, 2018Observed: 1653.44 ft at 8:00PM Jul 18, 2018Observed: 1653.43 ft at 8:15PM Jul 18, 2018Observed: 1653.41 ft at 8:30PM Jul 18, 2018Observed: 1653.41 ft at 8:45PM Jul 18, 2018Observed: 1653.4 ft at 9:00PM Jul 18, 2018Observed: 1653.41 ft at 9:15PM Jul 18, 2018Observed: 1653.43 ft at 9:30PM Jul 18, 2018Observed: 1653.42 ft at 9:45PM Jul 18, 2018Observed: 1653.42 ft at 10:00PM Jul 18, 2018Observed: 1653.42 ft at 10:15PM Jul 18, 2018Observed: 1653.42 ft at 10:30PM Jul 18, 2018Observed: 1653.43 ft at 10:45PM Jul 18, 2018Observed: 1653.41 ft at 11:00PM Jul 18, 2018Observed: 1653.43 ft at 11:15PM Jul 18, 2018Observed: 1653.41 ft at 11:30PM Jul 18, 2018Observed: 1653.42 ft at 11:45PM Jul 18, 2018Observed: 1653.42 ft at 12:00AM Jul 19, 2018Observed: 1653.43 ft at 12:15AM Jul 19, 2018Observed: 1653.43 ft at 12:30AM Jul 19, 2018Observed: 1653.43 ft at 12:45AM Jul 19, 2018Observed: 1653.43 ft at 1:00AM Jul 19, 2018Observed: 1653.43 ft at 1:15AM Jul 19, 2018Observed: 1653.43 ft at 1:30AM Jul 19, 2018Observed: 1653.42 ft at 1:45AM Jul 19, 2018Observed: 1653.44 ft at 2:00AM Jul 19, 2018Observed: 1653.44 ft at 2:15AM Jul 19, 2018Observed: 1653.45 ft at 2:30AM Jul 19, 2018Observed: 1653.43 ft at 2:45AM Jul 19, 2018Observed: 1653.43 ft at 3:00AM Jul 19, 2018Observed: 1653.46 ft at 3:15AM Jul 19, 2018Observed: 1653.45 ft at 3:30AM Jul 19, 2018Observed: 1653.47 ft at 3:45AM Jul 19, 2018Observed: 1653.49 ft at 4:00AM Jul 19, 2018Observed: 1653.48 ft at 4:15AM Jul 19, 2018Observed: 1653.53 ft at 4:30AM Jul 19, 2018Observed: 1653.52 ft at 4:45AM Jul 19, 2018Observed: 1653.52 ft at 5:00AM Jul 19, 2018Observed: 1653.52 ft at 5:15AM Jul 19, 2018Observed: 1653.52 ft at 5:30AM Jul 19, 2018Observed: 1653.53 ft at 5:45AM Jul 19, 2018Observed: 1653.52 ft at 6:00AM Jul 19, 2018Observed: 1653.52 ft at 6:15AM Jul 19, 2018Observed: 1653.51 ft at 6:30AM Jul 19, 2018Observed: 1653.51 ft at 6:45AM Jul 19, 2018Observed: 1653.52 ft at 7:00AM Jul 19, 2018Observed: 1653.52 ft at 7:15AM Jul 19, 2018Observed: 1653.52 ft at 7:30AM Jul 19, 2018Observed: 1653.52 ft at 7:45AM Jul 19, 2018Observed: 1653.49 ft at 8:00AM Jul 19, 2018Observed: 1653.5 ft at 8:15AM Jul 19, 2018Observed: 1653.49 ft at 8:30AM Jul 19, 2018Observed: 1653.51 ft at 8:45AM Jul 19, 2018Observed: 1653.49 ft at 9:00AM Jul 19, 2018Observed: 1653.5 ft at 9:15AM Jul 19, 2018Observed: 1653.5 ft at 9:30AM Jul 19, 2018Observed: 1653.49 ft at 9:45AM Jul 19, 2018Observed: 1653.5 ft at 10:00AM Jul 19, 2018Observed: 1653.5 ft at 10:15AM Jul 19, 2018Observed: 1653.49 ft at 10:30AM Jul 19, 2018Observed: 1653.5 ft at 10:45AM Jul 19, 2018Observed: 1653.5 ft at 11:00AM Jul 19, 2018Observed: 1653.5 ft at 11:15AM Jul 19, 2018Observed: 1653.5 ft at 11:30AM Jul 19, 2018Observed: 1653.5 ft at 11:45AM Jul 19, 2018Observed: 1653.51 ft at 12:00PM Jul 19, 2018Observed: 1653.5 ft at 12:15PM Jul 19, 2018Observed: 1653.53 ft at 12:30PM Jul 19, 2018Observed: 1653.52 ft at 12:45PM Jul 19, 2018Observed: 1653.54 ft at 1:00PM Jul 19, 2018Observed: 1653.51 ft at 1:15PM Jul 19, 2018Observed: 1653.5 ft at 1:30PM Jul 19, 2018Observed: 1653.52 ft at 1:45PM Jul 19, 2018Observed: 1653.51 ft at 2:00PM Jul 19, 2018Observed: 1653.51 ft at 2:15PM Jul 19, 2018Observed: 1653.49 ft at 2:30PM Jul 19, 2018Observed: 1653.52 ft at 2:45PM Jul 19, 2018Observed: 1653.57 ft at 3:00PM Jul 19, 2018Observed: 1653.56 ft at 3:15PM Jul 19, 2018Observed: 1653.58 ft at 3:30PM Jul 19, 2018Observed: 1653.56 ft at 3:45PM Jul 19, 2018Observed: 1653.56 ft at 4:00PM Jul 19, 2018Observed: 1653.57 ft at 4:15PM Jul 19, 2018Observed: 1653.56 ft at 4:30PM Jul 19, 2018Observed: 1653.55 ft at 4:45PM Jul 19, 2018Observed: 1653.52 ft at 5:00PM Jul 19, 2018Observed: 1653.52 ft at 5:15PM Jul 19, 2018Observed: 1653.5 ft at 5:30PM Jul 19, 2018Observed: 1653.55 ft at 5:45PM Jul 19, 2018Observed: 1653.52 ft at 6:00PM Jul 19, 2018Observed: 1653.55 ft at 6:15PM Jul 19, 2018Observed: 1653.55 ft at 6:30PM Jul 19, 2018Observed: 1653.54 ft at 6:45PM Jul 19, 2018Observed: 1653.54 ft at 7:00PM Jul 19, 2018Observed: 1653.53 ft at 7:15PM Jul 19, 2018Observed: 1653.55 ft at 7:30PM Jul 19, 2018Observed: 1653.56 ft at 7:45PM Jul 19, 2018Observed: 1653.54 ft at 8:00PM Jul 19, 2018Observed: 1653.56 ft at 8:15PM Jul 19, 2018Observed: 1653.55 ft at 8:30PM Jul 19, 2018Observed: 1653.57 ft at 8:45PM Jul 19, 2018Observed: 1653.56 ft at 9:00PM Jul 19, 2018Observed: 1653.56 ft at 9:15PM Jul 19, 2018Observed: 1653.58 ft at 9:30PM Jul 19, 2018Observed: 1653.57 ft at 9:45PM Jul 19, 2018Observed: 1653.56 ft at 10:00PM Jul 19, 2018Observed: 1653.56 ft at 10:15PM Jul 19, 2018Observed: 1653.56 ft at 10:30PM Jul 19, 2018Observed: 1653.58 ft at 10:45PM Jul 19, 2018Observed: 1653.57 ft at 11:00PM Jul 19, 2018Observed: 1653.55 ft at 11:15PM Jul 19, 2018Observed: 1653.58 ft at 11:30PM Jul 19, 2018Observed: 1653.57 ft at 11:45PM Jul 19, 2018Observed: 1653.56 ft at 12:00AM Jul 20, 2018Observed: 1653.57 ft at 12:15AM Jul 20, 2018Observed: 1653.57 ft at 12:30AM Jul 20, 2018Observed: 1653.58 ft at 12:45AM Jul 20, 2018Observed: 1653.57 ft at 1:00AM Jul 20, 2018Observed: 1653.59 ft at 1:15AM Jul 20, 2018Observed: 1653.58 ft at 1:30AM Jul 20, 2018Observed: 1653.59 ft at 1:45AM Jul 20, 2018Observed: 1653.59 ft at 2:00AM Jul 20, 2018Observed: 1653.57 ft at 2:15AM Jul 20, 2018Observed: 1653.59 ft at 2:30AM Jul 20, 2018Observed: 1653.59 ft at 2:45AM Jul 20, 2018Observed: 1653.59 ft at 3:00AM Jul 20, 2018Highest Observation: 1653.6 ft at 3:15AM Jul 20, 2018Observed: 1653.59 ft at 3:30AM Jul 20, 2018Observed: 1653.59 ft at 3:45AM Jul 20, 2018Observed: 1653.58 ft at 4:00AM Jul 20, 2018Observed: 1653.58 ft at 4:15AM Jul 20, 2018Observed: 1653.59 ft at 4:30AM Jul 20, 2018Highest Observation: 1653.6 ft at 4:45AM Jul 20, 2018Highest Observation: 1653.6 ft at 5:00AM Jul 20, 2018Observed: 1653.58 ft at 5:15AM Jul 20, 2018Observed: 1653.59 ft at 5:30AM Jul 20, 2018Observed: 1653.55 ft at 5:45AM Jul 20, 2018Observed: 1653.58 ft at 6:00AM Jul 20, 2018Observed: 1653.59 ft at 6:15AM Jul 20, 2018Observed: 1653.57 ft at 6:30AM Jul 20, 2018Observed: 1653.58 ft at 6:45AM Jul 20, 2018Observed: 1653.58 ft at 7:00AM Jul 20, 2018Observed: 1653.58 ft at 7:15AM Jul 20, 2018Observed: 1653.58 ft at 7:30AM Jul 20, 2018Observed: 1653.57 ft at 7:45AM Jul 20, 2018Observed: 1653.56 ft at 8:00AM Jul 20, 2018Observed: 1653.57 ft at 8:15AM Jul 20, 2018Observed: 1653.57 ft at 8:30AM Jul 20, 2018Observed: 1653.57 ft at 8:45AM Jul 20, 2018Observed: 1653.57 ft at 9:00AM Jul 20, 2018Observed: 1653.56 ft at 9:15AM Jul 20, 2018Observed: 1653.56 ft at 9:30AM Jul 20, 2018Observed: 1653.55 ft at 9:45AM Jul 20, 2018Observed: 1653.55 ft at 10:00AM Jul 20, 2018Observed: 1653.55 ft at 10:15AM Jul 20, 2018Observed: 1653.55 ft at 10:30AM Jul 20, 2018Observed: 1653.56 ft at 10:45AM Jul 20, 2018Observed: 1653.56 ft at 11:00AM Jul 20, 2018Observed: 1653.54 ft at 11:15AM Jul 20, 2018Observed: 1653.53 ft at 11:30AM Jul 20, 2018Observed: 1653.55 ft at 11:45AM Jul 20, 2018Observed: 1653.55 ft at 12:00PM Jul 20, 2018Observed: 1653.54 ft at 12:15PM Jul 20, 2018Observed: 1653.55 ft at 12:30PM Jul 20, 2018Observed: 1653.54 ft at 12:45PM Jul 20, 2018Observed: 1653.54 ft at 1:00PM Jul 20, 2018Observed: 1653.54 ft at 1:15PM Jul 20, 2018Observed: 1653.53 ft at 1:30PM Jul 20, 2018Observed: 1653.54 ft at 1:45PM Jul 20, 2018Observed: 1653.55 ft at 2:00PM Jul 20, 2018Observed: 1653.53 ft at 2:15PM Jul 20, 2018Observed: 1653.52 ft at 2:30PM Jul 20, 2018Observed: 1653.54 ft at 2:45PM Jul 20, 2018Observed: 1653.54 ft at 3:00PM Jul 20, 2018Observed: 1653.53 ft at 3:15PM Jul 20, 2018Observed: 1653.53 ft at 3:30PM Jul 20, 2018Observed: 1653.54 ft at 3:45PM Jul 20, 2018Observed: 1653.53 ft at 4:00PM Jul 20, 2018Observed: 1653.54 ft at 4:15PM Jul 20, 2018Observed: 1653.54 ft at 4:30PM Jul 20, 2018Observed: 1653.55 ft at 4:45PM Jul 20, 2018Observed: 1653.55 ft at 5:00PM Jul 20, 2018Observed: 1653.54 ft at 5:15PM Jul 20, 2018Observed: 1653.54 ft at 5:30PM Jul 20, 2018Observed: 1653.53 ft at 5:45PM Jul 20, 2018Observed: 1653.53 ft at 6:00PM Jul 20, 2018Observed: 1653.54 ft at 6:15PM Jul 20, 2018Observed: 1653.54 ft at 6:30PM Jul 20, 2018Observed: 1653.53 ft at 6:45PM Jul 20, 2018Observed: 1653.54 ft at 7:00PM Jul 20, 2018Observed: 1653.54 ft at 7:15PM Jul 20, 2018Observed: 1653.54 ft at 7:30PM Jul 20, 2018Observed: 1653.55 ft at 7:45PM Jul 20, 2018Observed: 1653.54 ft at 8:00PM Jul 20, 2018Observed: 1653.56 ft at 8:15PM Jul 20, 2018Observed: 1653.56 ft at 8:30PM Jul 20, 2018Observed: 1653.56 ft at 8:45PM Jul 20, 2018Observed: 1653.57 ft at 9:00PM Jul 20, 2018Observed: 1653.57 ft at 9:15PM Jul 20, 2018Observed: 1653.57 ft at 9:30PM Jul 20, 2018Observed: 1653.57 ft at 9:45PM Jul 20, 2018Observed: 1653.56 ft at 10:00PM Jul 20, 2018Observed: 1653.57 ft at 10:15PM Jul 20, 2018Observed: 1653.57 ft at 10:30PM Jul 20, 2018Observed: 1653.57 ft at 10:45PM Jul 20, 2018Observed: 1653.57 ft at 11:00PM Jul 20, 2018Observed: 1653.56 ft at 11:15PM Jul 20, 2018Observed: 1653.56 ft at 11:30PM Jul 20, 2018Observed: 1653.56 ft at 11:45PM Jul 20, 2018Observed: 1653.57 ft at 12:00AM Jul 21, 2018Observed: 1653.56 ft at 12:15AM Jul 21, 2018Observed: 1653.56 ft at 12:30AM Jul 21, 2018Observed: 1653.57 ft at 12:45AM Jul 21, 2018Observed: 1653.56 ft at 1:00AM Jul 21, 2018Observed: 1653.57 ft at 1:15AM Jul 21, 2018Observed: 1653.57 ft at 1:30AM Jul 21, 2018Observed: 1653.57 ft at 1:45AM Jul 21, 2018Observed: 1653.57 ft at 2:00AM Jul 21, 2018Observed: 1653.57 ft at 2:15AM Jul 21, 2018Observed: 1653.57 ft at 2:30AM Jul 21, 2018Observed: 1653.57 ft at 2:45AM Jul 21, 2018Observed: 1653.57 ft at 3:00AM Jul 21, 2018Observed: 1653.57 ft at 3:15AM Jul 21, 2018Observed: 1653.57 ft at 3:30AM Jul 21, 2018Observed: 1653.57 ft at 3:45AM Jul 21, 2018Observed: 1653.57 ft at 4:00AM Jul 21, 2018Observed: 1653.57 ft at 4:15AM Jul 21, 2018Observed: 1653.57 ft at 4:30AM Jul 21, 2018Observed: 1653.57 ft at 4:45AM Jul 21, 2018Observed: 1653.57 ft at 5:00AM Jul 21, 2018Observed: 1653.57 ft at 5:15AM Jul 21, 2018Observed: 1653.57 ft at 5:30AM Jul 21, 2018Observed: 1653.56 ft at 5:45AM Jul 21, 2018Observed: 1653.56 ft at 6:00AM Jul 21, 2018Observed: 1653.57 ft at 6:15AM Jul 21, 2018Observed: 1653.57 ft at 6:30AM Jul 21, 2018Observed: 1653.56 ft at 6:45AM Jul 21, 2018Observed: 1653.56 ft at 7:00AM Jul 21, 2018Observed: 1653.56 ft at 7:15AM Jul 21, 2018Observed: 1653.55 ft at 7:30AM Jul 21, 2018Observed: 1653.55 ft at 7:45AM Jul 21, 2018Observed: 1653.55 ft at 8:00AM Jul 21, 2018Observed: 1653.56 ft at 8:15AM Jul 21, 2018Observed: 1653.56 ft at 8:30AM Jul 21, 2018Observed: 1653.56 ft at 8:45AM Jul 21, 2018Observed: 1653.56 ft at 9:00AM Jul 21, 2018Observed: 1653.56 ft at 9:15AM Jul 21, 2018Observed: 1653.56 ft at 9:30AM Jul 21, 2018Observed: 1653.55 ft at 9:45AM Jul 21, 2018Observed: 1653.55 ft at 10:00AM Jul 21, 2018Observed: 1653.55 ft at 10:15AM Jul 21, 2018Observed: 1653.55 ft at 10:30AM Jul 21, 2018Observed: 1653.54 ft at 10:45AM Jul 21, 2018Observed: 1653.55 ft at 11:00AM Jul 21, 2018Observed: 1653.55 ft at 11:15AM Jul 21, 2018Observed: 1653.55 ft at 11:30AM Jul 21, 2018Observed: 1653.54 ft at 11:45AM Jul 21, 2018Observed: 1653.55 ft at 12:00PM Jul 21, 2018Observed: 1653.54 ft at 12:15PM Jul 21, 2018Observed: 1653.55 ft at 12:30PM Jul 21, 2018Observed: 1653.54 ft at 12:45PM Jul 21, 2018Observed: 1653.52 ft at 1:00PM Jul 21, 2018Observed: 1653.54 ft at 1:15PM Jul 21, 2018Observed: 1653.53 ft at 1:30PM Jul 21, 2018Observed: 1653.53 ft at 1:45PM Jul 21, 2018Observed: 1653.53 ft at 2:00PM Jul 21, 2018Observed: 1653.54 ft at 2:15PM Jul 21, 2018Observed: 1653.54 ft at 2:30PM Jul 21, 2018Observed: 1653.53 ft at 2:45PM Jul 21, 2018Observed: 1653.54 ft at 3:00PM Jul 21, 2018Observed: 1653.54 ft at 3:15PM Jul 21, 2018Observed: 1653.54 ft at 3:30PM Jul 21, 2018Observed: 1653.53 ft at 3:45PM Jul 21, 2018Observed: 1653.52 ft at 4:00PM Jul 21, 2018Observed: 1653.52 ft at 4:15PM Jul 21, 2018Observed: 1653.53 ft at 4:30PM Jul 21, 2018Observed: 1653.52 ft at 4:45PM Jul 21, 2018Observed: 1653.52 ft at 5:00PM Jul 21, 2018Observed: 1653.52 ft at 5:15PM Jul 21, 2018Observed: 1653.52 ft at 5:30PM Jul 21, 2018Observed: 1653.51 ft at 5:45PM Jul 21, 2018Observed: 1653.52 ft at 6:00PM Jul 21, 2018Observed: 1653.53 ft at 6:15PM Jul 21, 2018Observed: 1653.53 ft at 6:30PM Jul 21, 2018Observed: 1653.52 ft at 6:45PM Jul 21, 2018Observed: 1653.53 ft at 7:00PM Jul 21, 2018Observed: 1653.54 ft at 7:15PM Jul 21, 2018Observed: 1653.53 ft at 7:30PM Jul 21, 2018Observed: 1653.53 ft at 7:45PM Jul 21, 2018Observed: 1653.54 ft at 8:00PM Jul 21, 2018Observed: 1653.55 ft at 8:15PM Jul 21, 2018Observed: 1653.55 ft at 8:30PM Jul 21, 2018Observed: 1653.55 ft at 8:45PM Jul 21, 2018Observed: 1653.55 ft at 9:00PM Jul 21, 2018Observed: 1653.56 ft at 9:15PM Jul 21, 2018Observed: 1653.55 ft at 9:30PM Jul 21, 2018Observed: 1653.55 ft at 9:45PM Jul 21, 2018Observed: 1653.54 ft at 10:00PM Jul 21, 2018Observed: 1653.53 ft at 10:15PM Jul 21, 2018Observed: 1653.54 ft at 10:30PM Jul 21, 2018Observed: 1653.53 ft at 10:45PM Jul 21, 2018Observed: 1653.55 ft at 11:00PM Jul 21, 2018PONS2(plotting HLIRG) Graph Created (11:45PM Jul 21, 2018)ObservedLatest observed value: 1653.55 ft at 11:00 PM CDT 21-Jul-2018.
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Tabular Data (UTC)
Tabular Data (CDT)
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Datum: Not Available
Metadata
NOTE: Graphical forecasts are not available for the Big Sioux River at Lake Poinsett Inlet/Outlet. During times of high water, forecast crest information can be found in the text products.
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Upstream Gauge - near Castlewood Upstream Gauge Downstream Gauge Downstream Gauge - near Estelline
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 0
Action Stage: 1651.5
Low Stage (in feet): -9999

Historic Crests
(1) 1,657.60 ft on 04/05/2011
(2) 1,656.44 ft on 07/17/2010
(3) 1,656.20 ft on 05/12/1997
(4) 1,655.50 ft on 05/02/2001
(5) 1,654.50 ft on 05/07/1985
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 1,651.29 ft on 10/08/2015
(2) 1,652.04 ft on 05/12/2014
(3) 1,650.93 ft on 10/28/2013
(4) 1,652.73 ft on 04/30/2012
(5) 1,657.60 ft on 04/05/2011
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.
Zoom Level:14
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Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
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1651.5 Lake poinsett is considered full
1650.5 Lake outlet elevation
About This Location Collapse

Latitude: 44.596111° N, Longitude: 97.027500° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft Not Available 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 Not Available Not Available 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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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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