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Hydrograph River at a Glance Download
Big Sioux River at Akron Stage (ft)Flow (cfs)Highest Observation: 15.89 ft at 10:30PM Oct 12, 2019Highest Observation: 15.89 ft at 10:45PM Oct 12, 2019Highest Observation: 15.89 ft at 11:00PM Oct 12, 2019Highest Observation: 15.89 ft at 11:15PM Oct 12, 2019Highest Observation: 15.89 ft at 11:16PM Oct 12, 2019Observed: 15.88 ft at 11:30PM Oct 12, 2019Observed: 15.88 ft at 11:31PM Oct 12, 2019Observed: 15.88 ft at 11:45PM Oct 12, 2019Observed: 15.88 ft at 11:46PM Oct 12, 2019Observed: 15.88 ft at 12:00AM Oct 13, 2019Observed: 15.87 ft at 12:15AM Oct 13, 2019Observed: 15.87 ft at 12:30AM Oct 13, 2019Observed: 15.87 ft at 12:45AM Oct 13, 2019Observed: 15.87 ft at 1:00AM Oct 13, 2019Observed: 15.87 ft at 1:15AM Oct 13, 2019Observed: 15.87 ft at 1:30AM Oct 13, 2019Observed: 15.87 ft at 1:45AM Oct 13, 2019Observed: 15.87 ft at 2:00AM Oct 13, 2019Observed: 15.87 ft at 2:15AM Oct 13, 2019Observed: 15.87 ft at 2:30AM Oct 13, 2019Observed: 15.87 ft at 2:45AM Oct 13, 2019Observed: 15.86 ft at 3:00AM Oct 13, 2019Observed: 15.86 ft at 3:15AM Oct 13, 2019Observed: 15.86 ft at 3:30AM Oct 13, 2019Observed: 15.86 ft at 3:45AM Oct 13, 2019Observed: 15.86 ft at 4:00AM Oct 13, 2019Observed: 15.85 ft at 4:15AM Oct 13, 2019Observed: 15.85 ft at 4:30AM Oct 13, 2019Observed: 15.84 ft at 4:45AM Oct 13, 2019Observed: 15.84 ft at 5:00AM Oct 13, 2019Observed: 15.84 ft at 5:15AM Oct 13, 2019Observed: 15.84 ft at 5:30AM Oct 13, 2019Observed: 15.84 ft at 5:45AM Oct 13, 2019Observed: 15.84 ft at 6:00AM Oct 13, 2019Observed: 15.84 ft at 6:15AM Oct 13, 2019Observed: 15.84 ft at 6:30AM Oct 13, 2019Observed: 15.84 ft at 6:45AM Oct 13, 2019Observed: 15.84 ft at 7:00AM Oct 13, 2019Observed: 15.84 ft at 7:15AM Oct 13, 2019Observed: 15.84 ft at 7:16AM Oct 13, 2019Observed: 15.84 ft at 7:30AM Oct 13, 2019Observed: 15.84 ft at 7:31AM Oct 13, 2019Observed: 15.83 ft at 7:45AM Oct 13, 2019Observed: 15.83 ft at 7:46AM Oct 13, 2019Observed: 15.83 ft at 8:00AM Oct 13, 2019Observed: 15.83 ft at 8:15AM Oct 13, 2019Observed: 15.83 ft at 8:30AM Oct 13, 2019Observed: 15.83 ft at 8:45AM Oct 13, 2019Observed: 15.82 ft at 9:00AM Oct 13, 2019Observed: 15.82 ft at 9:15AM Oct 13, 2019Observed: 15.81 ft at 9:30AM Oct 13, 2019Observed: 15.81 ft at 9:45AM Oct 13, 2019Observed: 15.81 ft at 10:00AM Oct 13, 2019Observed: 15.81 ft at 10:15AM Oct 13, 2019Observed: 15.81 ft at 10:30AM Oct 13, 2019Observed: 15.81 ft at 10:45AM Oct 13, 2019Observed: 15.81 ft at 11:00AM Oct 13, 2019Observed: 15.8 ft at 11:15AM Oct 13, 2019Observed: 15.81 ft at 11:30AM Oct 13, 2019Observed: 15.81 ft at 11:45AM Oct 13, 2019Observed: 15.81 ft at 12:00PM Oct 13, 2019Observed: 15.81 ft at 12:15PM Oct 13, 2019Observed: 15.81 ft at 12:30PM Oct 13, 2019Observed: 15.8 ft at 12:45PM Oct 13, 2019Observed: 15.79 ft at 1:00PM Oct 13, 2019Observed: 15.8 ft at 1:15PM Oct 13, 2019Observed: 15.79 ft at 1:30PM Oct 13, 2019Observed: 15.79 ft at 1:45PM Oct 13, 2019Observed: 15.79 ft at 2:00PM Oct 13, 2019Observed: 15.78 ft at 2:15PM Oct 13, 2019Observed: 15.78 ft at 2:30PM Oct 13, 2019Observed: 15.78 ft at 2:45PM Oct 13, 2019Observed: 15.78 ft at 3:00PM Oct 13, 2019Observed: 15.77 ft at 3:15PM Oct 13, 2019Observed: 15.77 ft at 3:16PM Oct 13, 2019Observed: 15.79 ft at 3:30PM Oct 13, 2019Observed: 15.79 ft at 3:31PM Oct 13, 2019Observed: 15.77 ft at 3:45PM Oct 13, 2019Observed: 15.77 ft at 3:46PM Oct 13, 2019Observed: 15.78 ft at 4:00PM Oct 13, 2019Observed: 15.78 ft at 4:15PM Oct 13, 2019Observed: 15.77 ft at 4:30PM Oct 13, 2019Observed: 15.78 ft at 4:45PM Oct 13, 2019Observed: 15.77 ft at 5:00PM Oct 13, 2019Observed: 15.78 ft at 5:15PM Oct 13, 2019Observed: 15.77 ft at 5:30PM Oct 13, 2019Observed: 15.77 ft at 5:45PM Oct 13, 2019Observed: 15.77 ft at 6:00PM Oct 13, 2019Observed: 15.77 ft at 6:15PM Oct 13, 2019Observed: 15.76 ft at 6:30PM Oct 13, 2019Observed: 15.76 ft at 6:45PM Oct 13, 2019Observed: 15.76 ft at 7:00PM Oct 13, 2019Observed: 15.76 ft at 7:15PM Oct 13, 2019Observed: 15.76 ft at 7:30PM Oct 13, 2019Observed: 15.75 ft at 7:45PM Oct 13, 2019Observed: 15.75 ft at 8:00PM Oct 13, 2019Observed: 15.75 ft at 8:15PM Oct 13, 2019Observed: 15.76 ft at 8:30PM Oct 13, 2019Observed: 15.75 ft at 8:45PM Oct 13, 2019Observed: 15.75 ft at 9:00PM Oct 13, 2019Observed: 15.75 ft at 9:15PM Oct 13, 2019Observed: 15.75 ft at 9:30PM Oct 13, 2019Observed: 15.75 ft at 9:45PM Oct 13, 2019Observed: 15.74 ft at 10:00PM Oct 13, 2019Observed: 15.74 ft at 10:15PM Oct 13, 2019Observed: 15.73 ft at 10:30PM Oct 13, 2019Observed: 15.73 ft at 10:45PM Oct 13, 2019Observed: 15.73 ft at 11:00PM Oct 13, 2019Observed: 15.73 ft at 11:15PM Oct 13, 2019Observed: 15.73 ft at 11:16PM Oct 13, 2019Observed: 15.73 ft at 11:30PM Oct 13, 2019Observed: 15.73 ft at 11:31PM Oct 13, 2019Observed: 15.73 ft at 11:45PM Oct 13, 2019Observed: 15.73 ft at 11:46PM Oct 13, 2019Observed: 15.73 ft at 12:00AM Oct 14, 2019Observed: 15.73 ft at 12:15AM Oct 14, 2019Observed: 15.72 ft at 12:30AM Oct 14, 2019Observed: 15.72 ft at 12:45AM Oct 14, 2019Observed: 15.72 ft at 1:00AM Oct 14, 2019Observed: 15.72 ft at 1:15AM Oct 14, 2019Observed: 15.72 ft at 1:30AM Oct 14, 2019Observed: 15.72 ft at 1:45AM Oct 14, 2019Observed: 15.72 ft at 2:00AM Oct 14, 2019Observed: 15.71 ft at 2:15AM Oct 14, 2019Observed: 15.71 ft at 2:30AM Oct 14, 2019Observed: 15.72 ft at 2:45AM Oct 14, 2019Observed: 15.71 ft at 3:00AM Oct 14, 2019Observed: 15.71 ft at 3:15AM Oct 14, 2019Observed: 15.71 ft at 3:30AM Oct 14, 2019Observed: 15.71 ft at 3:45AM Oct 14, 2019Observed: 15.71 ft at 4:00AM Oct 14, 2019Observed: 15.71 ft at 4:15AM Oct 14, 2019Observed: 15.71 ft at 4:30AM Oct 14, 2019Observed: 15.71 ft at 4:45AM Oct 14, 2019Observed: 15.7 ft at 5:00AM Oct 14, 2019Observed: 15.7 ft at 5:15AM Oct 14, 2019Observed: 15.7 ft at 5:30AM Oct 14, 2019Observed: 15.69 ft at 5:45AM Oct 14, 2019Observed: 15.7 ft at 6:00AM Oct 14, 2019Observed: 15.7 ft at 6:15AM Oct 14, 2019Observed: 15.7 ft at 6:30AM Oct 14, 2019Observed: 15.69 ft at 6:45AM Oct 14, 2019Observed: 15.69 ft at 7:00AM Oct 14, 2019Observed: 15.7 ft at 7:15AM Oct 14, 2019Observed: 15.7 ft at 7:16AM Oct 14, 2019Observed: 15.69 ft at 7:30AM Oct 14, 2019Observed: 15.69 ft at 7:31AM Oct 14, 2019Observed: 15.69 ft at 7:45AM Oct 14, 2019Observed: 15.69 ft at 7:46AM Oct 14, 2019Observed: 15.69 ft at 8:00AM Oct 14, 2019Observed: 15.69 ft at 8:15AM Oct 14, 2019Observed: 15.69 ft at 8:30AM Oct 14, 2019Observed: 15.69 ft at 8:45AM Oct 14, 2019Observed: 15.68 ft at 9:00AM Oct 14, 2019Observed: 15.68 ft at 9:15AM Oct 14, 2019Observed: 15.68 ft at 9:30AM Oct 14, 2019Observed: 15.68 ft at 9:45AM Oct 14, 2019Observed: 15.66 ft at 10:00AM Oct 14, 2019Observed: 15.64 ft at 10:15AM Oct 14, 2019Observed: 15.65 ft at 10:30AM Oct 14, 2019Observed: 15.65 ft at 10:45AM Oct 14, 2019Observed: 15.63 ft at 11:00AM Oct 14, 2019Observed: 15.65 ft at 11:15AM Oct 14, 2019Observed: 15.62 ft at 11:30AM Oct 14, 2019Observed: 15.62 ft at 11:45AM Oct 14, 2019Observed: 15.62 ft at 12:00PM Oct 14, 2019Observed: 15.63 ft at 12:15PM Oct 14, 2019Observed: 15.62 ft at 12:30PM Oct 14, 2019Observed: 15.64 ft at 12:45PM Oct 14, 2019Observed: 15.64 ft at 1:00PM Oct 14, 2019Observed: 15.61 ft at 1:15PM Oct 14, 2019Observed: 15.62 ft at 1:30PM Oct 14, 2019Observed: 15.62 ft at 1:45PM Oct 14, 2019Observed: 15.6 ft at 2:00PM Oct 14, 2019Observed: 15.61 ft at 2:15PM Oct 14, 2019Observed: 15.6 ft at 2:30PM Oct 14, 2019Observed: 15.61 ft at 2:45PM Oct 14, 2019Observed: 15.6 ft at 3:00PM Oct 14, 2019Observed: 15.6 ft at 3:15PM Oct 14, 2019Observed: 15.62 ft at 3:30PM Oct 14, 2019Observed: 15.62 ft at 3:45PM Oct 14, 2019Observed: 15.6 ft at 4:00PM Oct 14, 2019Observed: 15.6 ft at 4:15PM Oct 14, 2019Observed: 15.6 ft at 4:30PM Oct 14, 2019Observed: 15.58 ft at 4:45PM Oct 14, 2019Observed: 15.58 ft at 5:00PM Oct 14, 2019Observed: 15.6 ft at 5:15PM Oct 14, 2019Observed: 15.57 ft at 5:30PM Oct 14, 2019Observed: 15.58 ft at 5:45PM Oct 14, 2019Observed: 15.58 ft at 6:00PM Oct 14, 2019Observed: 15.58 ft at 6:15PM Oct 14, 2019Observed: 15.59 ft at 6:30PM Oct 14, 2019Observed: 15.58 ft at 6:45PM Oct 14, 2019Observed: 15.58 ft at 7:00PM Oct 14, 2019Observed: 15.61 ft at 7:15PM Oct 14, 2019Observed: 15.61 ft at 7:30PM Oct 14, 2019Observed: 15.61 ft at 7:45PM Oct 14, 2019Observed: 15.61 ft at 8:00PM Oct 14, 2019Observed: 15.6 ft at 8:15PM Oct 14, 2019Observed: 15.61 ft at 8:30PM Oct 14, 2019Observed: 15.58 ft at 8:45PM Oct 14, 2019Observed: 15.58 ft at 9:00PM Oct 14, 2019Observed: 15.59 ft at 9:15PM Oct 14, 2019Observed: 15.59 ft at 9:30PM Oct 14, 2019Observed: 15.6 ft at 9:45PM Oct 14, 2019Observed: 15.6 ft at 10:00PM Oct 14, 2019Observed: 15.6 ft at 10:15PM Oct 14, 2019Observed: 15.6 ft at 10:30PM Oct 14, 2019Observed: 15.59 ft at 10:45PM Oct 14, 2019Observed: 15.59 ft at 11:00PM Oct 14, 2019Observed: 15.59 ft at 11:15PM Oct 14, 2019Observed: 15.59 ft at 11:30PM Oct 14, 2019Observed: 15.59 ft at 11:45PM Oct 14, 2019Observed: 15.59 ft at 12:00AM Oct 15, 2019Observed: 15.59 ft at 12:15AM Oct 15, 2019Observed: 15.58 ft at 12:30AM Oct 15, 2019Observed: 15.59 ft at 12:45AM Oct 15, 2019Observed: 15.59 ft at 1:00AM Oct 15, 2019Observed: 15.58 ft at 1:15AM Oct 15, 2019Observed: 15.57 ft at 1:30AM Oct 15, 2019Observed: 15.56 ft at 1:45AM Oct 15, 2019Observed: 15.54 ft at 2:00AM Oct 15, 2019Observed: 15.56 ft at 2:15AM Oct 15, 2019Observed: 15.58 ft at 2:30AM Oct 15, 2019Observed: 15.58 ft at 2:45AM Oct 15, 2019Observed: 15.58 ft at 3:00AM Oct 15, 2019Observed: 15.57 ft at 3:15AM Oct 15, 2019Observed: 15.58 ft at 3:30AM Oct 15, 2019Observed: 15.57 ft at 3:45AM Oct 15, 2019Observed: 15.58 ft at 4:00AM Oct 15, 2019Observed: 15.57 ft at 4:15AM Oct 15, 2019Observed: 15.57 ft at 4:30AM Oct 15, 2019Observed: 15.57 ft at 4:45AM Oct 15, 2019Observed: 15.57 ft at 5:00AM Oct 15, 2019Observed: 15.56 ft at 5:15AM Oct 15, 2019Observed: 15.56 ft at 5:30AM Oct 15, 2019Observed: 15.56 ft at 5:45AM Oct 15, 2019Observed: 15.56 ft at 6:00AM Oct 15, 2019Observed: 15.57 ft at 6:15AM Oct 15, 2019Observed: 15.56 ft at 6:30AM Oct 15, 2019Observed: 15.56 ft at 6:45AM Oct 15, 2019Observed: 15.55 ft at 7:00AM Oct 15, 2019Observed: 15.55 ft at 7:15AM Oct 15, 2019Observed: 15.56 ft at 7:30AM Oct 15, 2019Observed: 15.55 ft at 7:45AM Oct 15, 2019Observed: 15.54 ft at 8:00AM Oct 15, 2019Observed: 15.55 ft at 8:15AM Oct 15, 2019Observed: 15.52 ft at 8:30AM Oct 15, 2019Observed: 15.53 ft at 8:45AM Oct 15, 2019Observed: 15.53 ft at 9:00AM Oct 15, 2019Observed: 15.52 ft at 9:15AM Oct 15, 2019Observed: 15.53 ft at 9:30AM Oct 15, 2019Observed: 15.54 ft at 9:45AM Oct 15, 2019Observed: 15.52 ft at 10:00AM Oct 15, 2019Observed: 15.52 ft at 10:15AM Oct 15, 2019Observed: 15.53 ft at 10:30AM Oct 15, 2019Observed: 15.54 ft at 10:45AM Oct 15, 2019Observed: 15.52 ft at 11:00AM Oct 15, 2019Observed: 15.52 ft at 11:15AM Oct 15, 2019Observed: 15.51 ft at 11:30AM Oct 15, 2019Observed: 15.51 ft at 11:45AM Oct 15, 2019Observed: 15.5 ft at 12:00PM Oct 15, 2019Observed: 15.52 ft at 12:15PM Oct 15, 2019Observed: 15.52 ft at 12:30PM Oct 15, 2019Observed: 15.53 ft at 12:45PM Oct 15, 2019Observed: 15.51 ft at 1:00PM Oct 15, 2019Observed: 15.51 ft at 1:15PM Oct 15, 2019Observed: 15.5 ft at 1:30PM Oct 15, 2019Observed: 15.5 ft at 1:45PM Oct 15, 2019Observed: 15.5 ft at 2:00PM Oct 15, 2019Observed: 15.5 ft at 2:15PM Oct 15, 2019Observed: 15.48 ft at 2:30PM Oct 15, 2019Observed: 15.49 ft at 2:45PM Oct 15, 2019Observed: 15.5 ft at 3:00PM Oct 15, 2019Observed: 15.5 ft at 3:15PM Oct 15, 2019Observed: 15.5 ft at 3:16PM Oct 15, 2019Observed: 15.5 ft at 3:30PM Oct 15, 2019Observed: 15.5 ft at 3:31PM Oct 15, 2019Observed: 15.49 ft at 3:45PM Oct 15, 2019Observed: 15.49 ft at 3:46PM Oct 15, 2019Observed: 15.49 ft at 4:00PM Oct 15, 2019Observed: 15.49 ft at 4:15PM Oct 15, 2019Observed: 15.49 ft at 4:30PM Oct 15, 2019Observed: 15.49 ft at 4:45PM Oct 15, 2019Observed: 15.48 ft at 5:00PM Oct 15, 2019Observed: 15.5 ft at 5:15PM Oct 15, 2019Observed: 15.48 ft at 5:30PM Oct 15, 2019Observed: 15.49 ft at 5:45PM Oct 15, 2019Observed: 15.5 ft at 6:00PM Oct 15, 2019Observed: 15.5 ft at 6:15PM Oct 15, 2019Observed: 15.47 ft at 6:30PM Oct 15, 2019Observed: 15.48 ft at 6:45PM Oct 15, 2019Observed: 15.49 ft at 7:00PM Oct 15, 2019Observed: 15.49 ft at 7:15PM Oct 15, 2019Observed: 15.49 ft at 7:30PM Oct 15, 2019Observed: 15.49 ft at 7:45PM Oct 15, 2019Observed: 15.48 ft at 8:00PM Oct 15, 2019Observed: 15.48 ft at 8:15PM Oct 15, 2019Observed: 15.49 ft at 8:30PM Oct 15, 2019Observed: 15.48 ft at 8:45PM Oct 15, 2019Observed: 15.48 ft at 9:00PM Oct 15, 2019Observed: 15.49 ft at 9:15PM Oct 15, 2019Observed: 15.48 ft at 9:30PM Oct 15, 2019Observed: 15.47 ft at 9:45PM Oct 15, 2019Observed: 15.48 ft at 10:00PM Oct 15, 2019Observed: 15.48 ft at 10:15PM Oct 15, 2019Observed: 15.48 ft at 10:30PM Oct 15, 2019Observed: 15.48 ft at 10:45PM Oct 15, 2019Observed: 15.47 ft at 11:00PM Oct 15, 2019Observed: 15.47 ft at 11:15PM Oct 15, 2019Observed: 15.47 ft at 11:16PM Oct 15, 2019Observed: 15.47 ft at 11:30PM Oct 15, 2019Observed: 15.47 ft at 11:31PM Oct 15, 2019Observed: 15.47 ft at 11:45PM Oct 15, 2019Observed: 15.47 ft at 11:46PM Oct 15, 2019Observed: 15.47 ft at 12:00AM Oct 16, 2019Observed: 15.47 ft at 12:15AM Oct 16, 2019Observed: 15.46 ft at 12:30AM Oct 16, 2019Observed: 15.47 ft at 12:45AM Oct 16, 2019Observed: 15.46 ft at 1:00AM Oct 16, 2019Observed: 15.46 ft at 1:15AM Oct 16, 2019Observed: 15.46 ft at 1:30AM Oct 16, 2019Observed: 15.46 ft at 1:45AM Oct 16, 2019Observed: 15.46 ft at 2:00AM Oct 16, 2019Observed: 15.46 ft at 2:15AM Oct 16, 2019Observed: 15.46 ft at 2:30AM Oct 16, 2019Observed: 15.46 ft at 2:45AM Oct 16, 2019Observed: 15.46 ft at 3:00AM Oct 16, 2019Observed: 15.46 ft at 3:15AM Oct 16, 2019Observed: 15.46 ft at 3:30AM Oct 16, 2019Observed: 15.46 ft at 3:45AM Oct 16, 2019Observed: 15.46 ft at 4:00AM Oct 16, 2019Observed: 15.46 ft at 4:15AM Oct 16, 2019Observed: 15.45 ft at 4:30AM Oct 16, 2019Observed: 15.45 ft at 4:45AM Oct 16, 2019Observed: 15.46 ft at 5:00AM Oct 16, 2019Observed: 15.45 ft at 5:15AM Oct 16, 2019Observed: 15.45 ft at 5:30AM Oct 16, 2019Observed: 15.45 ft at 5:45AM Oct 16, 2019Observed: 15.45 ft at 6:00AM Oct 16, 2019Observed: 15.44 ft at 6:15AM Oct 16, 2019Observed: 15.44 ft at 6:30AM Oct 16, 2019Observed: 15.44 ft at 6:45AM Oct 16, 2019Observed: 15.44 ft at 7:00AM Oct 16, 2019Observed: 15.44 ft at 7:15AM Oct 16, 2019Observed: 15.44 ft at 7:30AM Oct 16, 2019Observed: 15.44 ft at 7:31AM Oct 16, 2019Observed: 15.44 ft at 7:45AM Oct 16, 2019Observed: 15.44 ft at 7:46AM Oct 16, 2019Observed: 15.44 ft at 8:00AM Oct 16, 2019Observed: 15.44 ft at 8:01AM Oct 16, 2019Observed: 15.44 ft at 8:15AM Oct 16, 2019Observed: 15.44 ft at 8:30AM Oct 16, 2019Observed: 15.43 ft at 8:45AM Oct 16, 2019Observed: 15.43 ft at 9:00AM Oct 16, 2019Observed: 15.43 ft at 9:15AM Oct 16, 2019Observed: 15.43 ft at 9:30AM Oct 16, 2019Observed: 15.43 ft at 9:45AM Oct 16, 2019Observed: 15.43 ft at 10:00AM Oct 16, 2019Observed: 15.43 ft at 10:15AM Oct 16, 2019Observed: 15.43 ft at 10:30AM Oct 16, 2019Observed: 15.43 ft at 10:45AM Oct 16, 2019Observed: 15.42 ft at 11:00AM Oct 16, 2019Observed: 15.42 ft at 12:15PM Oct 16, 2019Observed: 15.42 ft at 12:30PM Oct 16, 2019Observed: 15.42 ft at 12:45PM Oct 16, 2019Observed: 15.41 ft at 1:00PM Oct 16, 2019Observed: 15.41 ft at 1:15PM Oct 16, 2019Observed: 15.41 ft at 1:30PM Oct 16, 2019Observed: 15.41 ft at 1:45PM Oct 16, 2019Observed: 15.41 ft at 2:00PM Oct 16, 2019Observed: 15.4 ft at 2:15PM Oct 16, 2019Observed: 15.41 ft at 2:30PM Oct 16, 2019Observed: 15.4 ft at 2:45PM Oct 16, 2019Observed: 15.4 ft at 3:00PM Oct 16, 2019Observed: 15.4 ft at 3:15PM Oct 16, 2019Observed: 15.4 ft at 3:30PM Oct 16, 2019Observed: 15.4 ft at 3:31PM Oct 16, 2019Observed: 15.4 ft at 3:45PM Oct 16, 2019Observed: 15.4 ft at 3:46PM Oct 16, 2019Observed: 15.4 ft at 4:00PM Oct 16, 2019Observed: 15.4 ft at 4:01PM Oct 16, 2019Observed: 15.39 ft at 4:15PM Oct 16, 2019Observed: 15.39 ft at 4:30PM Oct 16, 2019Observed: 15.39 ft at 4:45PM Oct 16, 2019Observed: 15.39 ft at 5:00PM Oct 16, 2019Observed: 15.39 ft at 5:15PM Oct 16, 2019Observed: 15.39 ft at 5:30PM Oct 16, 2019Observed: 15.39 ft at 5:45PM Oct 16, 2019Observed: 15.39 ft at 6:00PM Oct 16, 2019Observed: 15.39 ft at 6:15PM Oct 16, 2019Observed: 15.38 ft at 6:30PM Oct 16, 2019Observed: 15.38 ft at 6:45PM Oct 16, 2019Observed: 15.38 ft at 7:00PM Oct 16, 2019Observed: 15.38 ft at 7:15PM Oct 16, 2019Observed: 15.38 ft at 7:30PM Oct 16, 2019Observed: 15.37 ft at 7:45PM Oct 16, 2019Observed: 15.37 ft at 8:00PM Oct 16, 2019Observed: 15.38 ft at 8:15PM Oct 16, 2019Observed: 15.38 ft at 8:30PM Oct 16, 2019Observed: 15.37 ft at 8:45PM Oct 16, 2019Observed: 15.37 ft at 9:00PM Oct 16, 2019Observed: 15.37 ft at 9:15PM Oct 16, 2019Observed: 15.37 ft at 9:30PM Oct 16, 2019Observed: 15.37 ft at 9:45PM Oct 16, 2019Observed: 15.37 ft at 10:00PM Oct 16, 2019Observed: 15.37 ft at 10:15PM Oct 16, 2019Observed: 15.37 ft at 10:30PM Oct 16, 2019Observed: 15.36 ft at 10:45PM Oct 16, 2019Observed: 15.37 ft at 11:00PM Oct 16, 2019Observed: 15.36 ft at 11:15PM Oct 16, 2019Observed: 15.37 ft at 11:30PM Oct 16, 2019Observed: 15.37 ft at 11:31PM Oct 16, 2019Observed: 15.37 ft at 11:45PM Oct 16, 2019Observed: 15.37 ft at 11:46PM Oct 16, 2019Observed: 15.36 ft at 12:00AM Oct 17, 2019Observed: 15.36 ft at 12:01AM Oct 17, 2019Observed: 15.36 ft at 12:15AM Oct 17, 2019Observed: 15.36 ft at 12:30AM Oct 17, 2019Observed: 15.37 ft at 12:45AM Oct 17, 2019Observed: 15.36 ft at 1:00AM Oct 17, 2019Observed: 15.36 ft at 1:15AM Oct 17, 2019Observed: 15.35 ft at 1:30AM Oct 17, 2019Observed: 15.35 ft at 1:45AM Oct 17, 2019Observed: 15.35 ft at 2:00AM Oct 17, 2019Observed: 15.35 ft at 2:15AM Oct 17, 2019Observed: 15.35 ft at 2:30AM Oct 17, 2019Observed: 15.35 ft at 2:45AM Oct 17, 2019Observed: 15.34 ft at 3:00AM Oct 17, 2019Observed: 15.34 ft at 3:15AM Oct 17, 2019Observed: 15.34 ft at 3:30AM Oct 17, 2019Observed: 15.34 ft at 3:45AM Oct 17, 2019Observed: 15.35 ft at 4:00AM Oct 17, 2019Observed: 15.34 ft at 4:15AM Oct 17, 2019Observed: 15.34 ft at 4:30AM Oct 17, 2019Observed: 15.34 ft at 4:45AM Oct 17, 2019Observed: 15.33 ft at 5:00AM Oct 17, 2019Observed: 15.33 ft at 5:15AM Oct 17, 2019Observed: 15.33 ft at 5:30AM Oct 17, 2019Observed: 15.33 ft at 5:45AM Oct 17, 2019Observed: 15.33 ft at 6:00AM Oct 17, 2019Observed: 15.33 ft at 6:15AM Oct 17, 2019Observed: 15.32 ft at 6:30AM Oct 17, 2019Observed: 15.32 ft at 6:45AM Oct 17, 2019Observed: 15.32 ft at 7:00AM Oct 17, 2019Observed: 15.32 ft at 7:15AM Oct 17, 2019Observed: 15.32 ft at 7:30AM Oct 17, 2019Observed: 15.32 ft at 7:45AM Oct 17, 2019Observed: 15.32 ft at 8:00AM Oct 17, 2019Observed: 15.31 ft at 8:15AM Oct 17, 2019Observed: 15.3 ft at 8:30AM Oct 17, 2019Observed: 15.3 ft at 8:45AM Oct 17, 2019Observed: 15.29 ft at 9:00AM Oct 17, 2019Observed: 15.28 ft at 9:15AM Oct 17, 2019Observed: 15.27 ft at 9:30AM Oct 17, 2019Observed: 15.26 ft at 9:45AM Oct 17, 2019Observed: 15.27 ft at 10:00AM Oct 17, 2019Observed: 15.26 ft at 10:15AM Oct 17, 2019Observed: 15.26 ft at 10:30AM Oct 17, 2019Observed: 15.26 ft at 10:45AM Oct 17, 2019Observed: 15.25 ft at 11:00AM Oct 17, 2019Observed: 15.26 ft at 11:15AM Oct 17, 2019Observed: 15.25 ft at 11:30AM Oct 17, 2019Observed: 15.25 ft at 11:45AM Oct 17, 2019Observed: 15.27 ft at 12:00PM Oct 17, 2019Observed: 15.25 ft at 12:15PM Oct 17, 2019Observed: 15.27 ft at 12:30PM Oct 17, 2019Observed: 15.23 ft at 12:45PM Oct 17, 2019Observed: 15.25 ft at 1:00PM Oct 17, 2019Observed: 15.24 ft at 1:15PM Oct 17, 2019Observed: 15.23 ft at 1:30PM Oct 17, 2019Observed: 15.25 ft at 1:45PM Oct 17, 2019Observed: 15.24 ft at 2:00PM Oct 17, 2019Observed: 15.23 ft at 2:15PM Oct 17, 2019Observed: 15.24 ft at 2:30PM Oct 17, 2019Observed: 15.25 ft at 2:45PM Oct 17, 2019Observed: 15.24 ft at 3:00PM Oct 17, 2019Observed: 15.25 ft at 3:15PM Oct 17, 2019Observed: 15.25 ft at 3:30PM Oct 17, 2019Observed: 15.23 ft at 3:45PM Oct 17, 2019Observed: 15.22 ft at 4:00PM Oct 17, 2019Observed: 15.23 ft at 4:15PM Oct 17, 2019Observed: 15.22 ft at 4:30PM Oct 17, 2019Observed: 15.22 ft at 4:45PM Oct 17, 2019Observed: 15.22 ft at 5:00PM Oct 17, 2019Observed: 15.22 ft at 5:15PM Oct 17, 2019Observed: 15.24 ft at 5:30PM Oct 17, 2019Observed: 15.22 ft at 5:45PM Oct 17, 2019Observed: 15.23 ft at 6:00PM Oct 17, 2019Observed: 15.25 ft at 6:15PM Oct 17, 2019Observed: 15.25 ft at 6:30PM Oct 17, 2019Observed: 15.24 ft at 6:45PM Oct 17, 2019Observed: 15.24 ft at 7:00PM Oct 17, 2019Observed: 15.22 ft at 7:15PM Oct 17, 2019Observed: 15.22 ft at 7:30PM Oct 17, 2019Observed: 15.22 ft at 7:45PM Oct 17, 2019Observed: 15.24 ft at 8:00PM Oct 17, 2019Observed: 15.25 ft at 8:15PM Oct 17, 2019Observed: 15.24 ft at 8:30PM Oct 17, 2019Observed: 15.24 ft at 8:45PM Oct 17, 2019Observed: 15.21 ft at 9:00PM Oct 17, 2019Observed: 15.22 ft at 9:15PM Oct 17, 2019Observed: 15.24 ft at 9:30PM Oct 17, 2019Observed: 15.22 ft at 9:45PM Oct 17, 2019Observed: 15.21 ft at 10:00PM Oct 17, 2019Observed: 15.22 ft at 10:15PM Oct 17, 2019Observed: 15.21 ft at 10:30PM Oct 17, 2019Observed: 15.21 ft at 10:45PM Oct 17, 2019Observed: 15.19 ft at 11:00PM Oct 17, 2019Observed: 15.19 ft at 11:15PM Oct 17, 2019Observed: 15.19 ft at 11:30PM Oct 17, 2019Observed: 15.19 ft at 11:31PM Oct 17, 2019Observed: 15.2 ft at 11:45PM Oct 17, 2019Observed: 15.2 ft at 11:46PM Oct 17, 2019Observed: 15.19 ft at 12:00AM Oct 18, 2019Observed: 15.19 ft at 12:01AM Oct 18, 2019Observed: 15.2 ft at 12:15AM Oct 18, 2019Observed: 15.21 ft at 12:30AM Oct 18, 2019Observed: 15.19 ft at 12:45AM Oct 18, 2019Observed: 15.18 ft at 1:00AM Oct 18, 2019Observed: 15.18 ft at 1:15AM Oct 18, 2019Observed: 15.18 ft at 1:30AM Oct 18, 2019Observed: 15.18 ft at 1:45AM Oct 18, 2019Observed: 15.17 ft at 2:00AM Oct 18, 2019Observed: 15.16 ft at 2:15AM Oct 18, 2019Observed: 15.17 ft at 2:30AM Oct 18, 2019Observed: 15.18 ft at 2:45AM Oct 18, 2019Observed: 15.18 ft at 3:00AM Oct 18, 2019Observed: 15.17 ft at 3:15AM Oct 18, 2019Observed: 15.17 ft at 3:30AM Oct 18, 2019Observed: 15.17 ft at 3:45AM Oct 18, 2019Observed: 15.18 ft at 4:00AM Oct 18, 2019Observed: 15.17 ft at 4:15AM Oct 18, 2019Observed: 15.18 ft at 4:30AM Oct 18, 2019Observed: 15.17 ft at 4:45AM Oct 18, 2019Observed: 15.16 ft at 5:00AM Oct 18, 2019Observed: 15.17 ft at 5:15AM Oct 18, 2019Observed: 15.17 ft at 5:30AM Oct 18, 2019Observed: 15.17 ft at 5:45AM Oct 18, 2019Observed: 15.18 ft at 6:00AM Oct 18, 2019Observed: 15.19 ft at 6:15AM Oct 18, 2019Observed: 15.15 ft at 6:30AM Oct 18, 2019Observed: 15.17 ft at 6:45AM Oct 18, 2019Observed: 15.16 ft at 7:00AM Oct 18, 2019Observed: 15.17 ft at 7:15AM Oct 18, 2019Observed: 15.16 ft at 7:30AM Oct 18, 2019Observed: 15.16 ft at 7:31AM Oct 18, 2019Observed: 15.16 ft at 7:45AM Oct 18, 2019Observed: 15.16 ft at 7:46AM Oct 18, 2019Observed: 15.15 ft at 8:00AM Oct 18, 2019Observed: 15.15 ft at 8:01AM Oct 18, 2019Observed: 15.14 ft at 8:15AM Oct 18, 2019Observed: 15.15 ft at 8:30AM Oct 18, 2019Observed: 15.15 ft at 8:45AM Oct 18, 2019Observed: 15.15 ft at 9:00AM Oct 18, 2019Observed: 15.15 ft at 9:15AM Oct 18, 2019Observed: 15.15 ft at 9:30AM Oct 18, 2019Observed: 15.15 ft at 9:45AM Oct 18, 2019Observed: 15.16 ft at 10:00AM Oct 18, 2019Observed: 15.1 ft at 11:15AM Oct 18, 2019Observed: 15.13 ft at 11:30AM Oct 18, 2019Observed: 15.13 ft at 11:45AM Oct 18, 2019Observed: 15.14 ft at 12:00PM Oct 18, 2019Observed: 15.13 ft at 12:15PM Oct 18, 2019Observed: 15.14 ft at 12:30PM Oct 18, 2019Observed: 15.12 ft at 12:45PM Oct 18, 2019Observed: 15.12 ft at 1:00PM Oct 18, 2019Observed: 15.12 ft at 1:15PM Oct 18, 2019Observed: 15.12 ft at 1:30PM Oct 18, 2019Observed: 15.13 ft at 1:45PM Oct 18, 2019Observed: 15.12 ft at 2:00PM Oct 18, 2019Observed: 15.12 ft at 2:15PM Oct 18, 2019Observed: 15.11 ft at 2:30PM Oct 18, 2019Observed: 15.12 ft at 2:45PM Oct 18, 2019Observed: 15.12 ft at 3:00PM Oct 18, 2019Observed: 15.12 ft at 3:15PM Oct 18, 2019Observed: 15.11 ft at 3:30PM Oct 18, 2019Observed: 15.13 ft at 3:45PM Oct 18, 2019Observed: 15.12 ft at 4:00PM Oct 18, 2019Observed: 15.1 ft at 4:15PM Oct 18, 2019Observed: 15.11 ft at 4:30PM Oct 18, 2019Observed: 15.12 ft at 4:45PM Oct 18, 2019Observed: 15.13 ft at 5:00PM Oct 18, 2019Observed: 15.15 ft at 5:15PM Oct 18, 2019Observed: 15.15 ft at 5:30PM Oct 18, 2019Observed: 15.16 ft at 5:45PM Oct 18, 2019Observed: 15.15 ft at 6:00PM Oct 18, 2019Observed: 15.15 ft at 6:15PM Oct 18, 2019Observed: 15.15 ft at 6:30PM Oct 18, 2019Observed: 15.15 ft at 6:45PM Oct 18, 2019Observed: 15.15 ft at 7:00PM Oct 18, 2019Observed: 15.15 ft at 7:15PM Oct 18, 2019Observed: 15.14 ft at 7:30PM Oct 18, 2019Observed: 15.15 ft at 7:45PM Oct 18, 2019Observed: 15.15 ft at 8:00PM Oct 18, 2019Observed: 15.15 ft at 8:15PM Oct 18, 2019Observed: 15.14 ft at 8:30PM Oct 18, 2019Observed: 15.15 ft at 8:45PM Oct 18, 2019Observed: 15.15 ft at 9:00PM Oct 18, 2019Observed: 15.15 ft at 9:15PM Oct 18, 2019Observed: 15.14 ft at 9:30PM Oct 18, 2019Observed: 15.14 ft at 9:45PM Oct 18, 2019Observed: 15.14 ft at 10:00PM Oct 18, 2019Observed: 15.14 ft at 10:15PM Oct 18, 2019Observed: 15.14 ft at 10:30PM Oct 18, 2019Observed: 15.14 ft at 10:45PM Oct 18, 2019Observed: 15.14 ft at 11:00PM Oct 18, 2019Observed: 15.13 ft at 11:15PM Oct 18, 2019Observed: 15.14 ft at 11:30PM Oct 18, 2019Observed: 15.14 ft at 11:31PM Oct 18, 2019Observed: 15.14 ft at 11:45PM Oct 18, 2019Observed: 15.14 ft at 11:46PM Oct 18, 2019Observed: 15.13 ft at 12:00AM Oct 19, 2019Observed: 15.13 ft at 12:01AM Oct 19, 2019Observed: 15.12 ft at 12:15AM Oct 19, 2019Observed: 15.13 ft at 12:30AM Oct 19, 2019Observed: 15.12 ft at 12:45AM Oct 19, 2019Observed: 15.12 ft at 1:00AM Oct 19, 2019Observed: 15.12 ft at 1:15AM Oct 19, 2019Observed: 15.12 ft at 1:30AM Oct 19, 2019Observed: 15.12 ft at 1:45AM Oct 19, 2019Observed: 15.11 ft at 2:00AM Oct 19, 2019Observed: 15.11 ft at 2:15AM Oct 19, 2019Observed: 15.12 ft at 2:30AM Oct 19, 2019Observed: 15.12 ft at 2:45AM Oct 19, 2019Observed: 15.12 ft at 3:00AM Oct 19, 2019Observed: 15.11 ft at 3:15AM Oct 19, 2019Observed: 15.11 ft at 3:30AM Oct 19, 2019Observed: 15.11 ft at 3:45AM Oct 19, 2019Observed: 15.1 ft at 4:00AM Oct 19, 2019Observed: 15.1 ft at 4:15AM Oct 19, 2019Observed: 15.1 ft at 4:30AM Oct 19, 2019Observed: 15.1 ft at 4:45AM Oct 19, 2019Observed: 15.1 ft at 5:00AM Oct 19, 2019Observed: 15.09 ft at 5:15AM Oct 19, 2019Observed: 15.09 ft at 5:30AM Oct 19, 2019Observed: 15.09 ft at 5:45AM Oct 19, 2019Observed: 15.09 ft at 6:00AM Oct 19, 2019Observed: 15.09 ft at 6:15AM Oct 19, 2019Observed: 15.09 ft at 6:30AM Oct 19, 2019Observed: 15.09 ft at 6:45AM Oct 19, 2019Observed: 15.09 ft at 7:00AM Oct 19, 2019Observed: 15.09 ft at 7:15AM Oct 19, 2019Observed: 15.08 ft at 7:30AM Oct 19, 2019Observed: 15.08 ft at 7:45AM Oct 19, 2019Observed: 15.08 ft at 7:46AM Oct 19, 2019Observed: 15.07 ft at 8:00AM Oct 19, 2019Observed: 15.07 ft at 8:01AM Oct 19, 2019Observed: 15.08 ft at 8:15AM Oct 19, 2019Observed: 15.08 ft at 8:16AM Oct 19, 2019Observed: 15.08 ft at 8:30AM Oct 19, 2019Observed: 15.07 ft at 8:45AM Oct 19, 2019Observed: 15.07 ft at 9:00AM Oct 19, 2019Observed: 15.08 ft at 9:15AM Oct 19, 2019Observed: 15.07 ft at 9:30AM Oct 19, 2019Observed: 15.07 ft at 9:45AM Oct 19, 2019Observed: 15.07 ft at 10:00AM Oct 19, 2019Observed: 15.07 ft at 10:15AM Oct 19, 2019Observed: 15.06 ft at 10:30AM Oct 19, 2019Observed: 15.06 ft at 10:45AM Oct 19, 2019Observed: 15.05 ft at 11:00AM Oct 19, 2019Observed: 15.06 ft at 11:15AM Oct 19, 2019Observed: 15.06 ft at 11:30AM Oct 19, 2019Observed: 15.05 ft at 11:45AM Oct 19, 2019Observed: 15.06 ft at 12:00PM Oct 19, 2019Observed: 15.05 ft at 12:15PM Oct 19, 2019Observed: 15.06 ft at 12:30PM Oct 19, 2019Observed: 15.05 ft at 12:45PM Oct 19, 2019Observed: 15.06 ft at 1:00PM Oct 19, 2019Observed: 15.05 ft at 1:15PM Oct 19, 2019Observed: 15.05 ft at 1:30PM Oct 19, 2019Observed: 15.05 ft at 1:45PM Oct 19, 2019Observed: 15.04 ft at 2:00PM Oct 19, 2019Observed: 15.04 ft at 2:15PM Oct 19, 2019Observed: 15.04 ft at 2:30PM Oct 19, 2019Observed: 15.04 ft at 2:45PM Oct 19, 2019Observed: 15.05 ft at 3:00PM Oct 19, 2019Observed: 15.04 ft at 3:15PM Oct 19, 2019Observed: 15.04 ft at 3:30PM Oct 19, 2019Observed: 15.04 ft at 3:45PM Oct 19, 2019Observed: 15.04 ft at 4:00PM Oct 19, 2019Observed: 15.04 ft at 4:15PM Oct 19, 2019Observed: 15.04 ft at 4:30PM Oct 19, 2019Observed: 15.04 ft at 4:45PM Oct 19, 2019Observed: 15.03 ft at 5:00PM Oct 19, 2019Observed: 15.04 ft at 5:15PM Oct 19, 2019Observed: 15.03 ft at 5:30PM Oct 19, 2019Observed: 15.02 ft at 5:45PM Oct 19, 2019Observed: 15.01 ft at 6:00PM Oct 19, 2019Observed: 15.03 ft at 6:15PM Oct 19, 2019Observed: 15.03 ft at 6:30PM Oct 19, 2019Observed: 15.02 ft at 6:45PM Oct 19, 2019Observed: 15.02 ft at 7:00PM Oct 19, 2019Observed: 15.02 ft at 7:15PM Oct 19, 2019Observed: 15.02 ft at 7:30PM Oct 19, 2019Observed: 15.02 ft at 7:45PM Oct 19, 2019Observed: 15.02 ft at 8:00PM Oct 19, 2019Observed: 15.01 ft at 8:15PM Oct 19, 2019Observed: 15.01 ft at 8:30PM Oct 19, 2019Observed: 15.01 ft at 8:45PM Oct 19, 2019Observed: 15.01 ft at 9:00PM Oct 19, 2019Observed: 15.01 ft at 9:15PM Oct 19, 2019Observed: 15 ft at 9:30PM Oct 19, 2019Observed: 15.01 ft at 9:45PM Oct 19, 2019Observed: 15 ft at 10:00PM Oct 19, 2019USGS--Water Resources of the United StatesAKRI4(plotting HGIRG) Graph Created (10:18PM Oct 19, 2019)ObservedLatest observed value: 15 ft at 10:00 PM CDT 19-Oct-2019. Flood Stage is 16 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: Not Available
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: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.

NOTE: Forecasts for the Big Sioux River at Akron are issued as needed during times of high water, but are not routinely available.

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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) 23.82 ft on 03/16/2019 (P)
(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) 23.82 ft on 03/16/2019 (P)
(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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 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 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 1118.9 ft 1134.9 ft 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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