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  NOTICE:There is a service interruption for a number of stream gauges nationwide due to the Global Positioning System (GPS) Rollover that occurred on April 6 at 23:59 GMT. The National Weather Service is working with federal, state, and local partners to ensure those affected gauges obtain the necessary updates to resume data transmission. We apologize for the service interruption and hope to have the data restored as soon as possible.

Hydrograph River at a Glance Download
Big Sioux River near Dell Rapids Stage (ft)Flow (cfs)Observed: 13.97 ft at 6:45AM Apr 12, 2019Observed: 13.95 ft at 7:00AM Apr 12, 2019Observed: 13.96 ft at 7:01AM Apr 12, 2019Observed: 13.96 ft at 7:15AM Apr 12, 2019Observed: 13.96 ft at 7:16AM Apr 12, 2019Observed: 13.96 ft at 7:30AM Apr 12, 2019Observed: 13.95 ft at 7:31AM Apr 12, 2019Observed: 13.95 ft at 7:45AM Apr 12, 2019Observed: 13.97 ft at 8:00AM Apr 12, 2019Observed: 13.9 ft at 8:15AM Apr 12, 2019Observed: 13.93 ft at 8:30AM Apr 12, 2019Observed: 13.94 ft at 8:45AM Apr 12, 2019Observed: 13.92 ft at 9:00AM Apr 12, 2019Observed: 13.93 ft at 9:15AM Apr 12, 2019Observed: 13.92 ft at 9:30AM Apr 12, 2019Observed: 13.9 ft at 9:45AM Apr 12, 2019Observed: 13.94 ft at 10:00AM Apr 12, 2019Observed: 13.93 ft at 10:15AM Apr 12, 2019Observed: 13.91 ft at 10:30AM Apr 12, 2019Observed: 13.92 ft at 10:45AM Apr 12, 2019Observed: 13.91 ft at 11:00AM Apr 12, 2019Observed: 13.91 ft at 11:15AM Apr 12, 2019Observed: 13.88 ft at 11:30AM Apr 12, 2019Observed: 13.86 ft at 1:45PM Apr 12, 2019Observed: 13.86 ft at 2:00PM Apr 12, 2019Observed: 13.82 ft at 2:15PM Apr 12, 2019Observed: 13.87 ft at 2:30PM Apr 12, 2019Observed: 13.81 ft at 2:45PM Apr 12, 2019Observed: 13.83 ft at 3:00PM Apr 12, 2019Observed: 13.85 ft at 3:15PM Apr 12, 2019Observed: 13.86 ft at 3:30PM Apr 12, 2019Observed: 13.86 ft at 3:45PM Apr 12, 2019Observed: 13.84 ft at 4:00PM Apr 12, 2019Observed: 13.8 ft at 4:15PM Apr 12, 2019Observed: 13.8 ft at 4:30PM Apr 12, 2019Observed: 13.81 ft at 4:45PM Apr 12, 2019Observed: 13.85 ft at 5:00PM Apr 12, 2019Observed: 13.81 ft at 5:15PM Apr 12, 2019Observed: 13.84 ft at 5:30PM Apr 12, 2019Observed: 13.83 ft at 5:45PM Apr 12, 2019Observed: 13.79 ft at 6:00PM Apr 12, 2019Observed: 13.8 ft at 6:15PM Apr 12, 2019Observed: 13.82 ft at 6:30PM Apr 12, 2019Observed: 13.82 ft at 6:45PM Apr 12, 2019Observed: 13.79 ft at 7:00PM Apr 12, 2019Observed: 13.8 ft at 7:15PM Apr 12, 2019Observed: 13.75 ft at 7:30PM Apr 12, 2019Observed: 13.81 ft at 7:45PM Apr 12, 2019Observed: 13.8 ft at 8:00PM Apr 12, 2019Observed: 13.77 ft at 8:15PM Apr 12, 2019Observed: 13.81 ft at 8:30PM Apr 12, 2019Observed: 13.78 ft at 8:45PM Apr 12, 2019Observed: 13.78 ft at 9:00PM Apr 12, 2019Observed: 13.77 ft at 9:15PM Apr 12, 2019Observed: 13.72 ft at 9:30PM Apr 12, 2019Observed: 13.75 ft at 9:45PM Apr 12, 2019Observed: 13.75 ft at 10:00PM Apr 12, 2019Observed: 13.78 ft at 10:15PM Apr 12, 2019Observed: 13.75 ft at 10:30PM Apr 12, 2019Observed: 13.76 ft at 10:45PM Apr 12, 2019Observed: 13.77 ft at 11:00PM Apr 12, 2019Observed: 13.72 ft at 11:15PM Apr 12, 2019Observed: 13.74 ft at 11:30PM Apr 12, 2019Observed: 13.74 ft at 11:45PM Apr 12, 2019Observed: 13.74 ft at 12:00AM Apr 13, 2019Observed: 13.73 ft at 12:15AM Apr 13, 2019Observed: 13.73 ft at 12:30AM Apr 13, 2019Observed: 13.72 ft at 12:45AM Apr 13, 2019Observed: 13.72 ft at 1:00AM Apr 13, 2019Observed: 13.72 ft at 1:15AM Apr 13, 2019Observed: 13.73 ft at 1:30AM Apr 13, 2019Observed: 13.71 ft at 1:45AM Apr 13, 2019Observed: 13.73 ft at 2:00AM Apr 13, 2019Observed: 13.7 ft at 2:15AM Apr 13, 2019Observed: 13.69 ft at 2:30AM Apr 13, 2019Observed: 13.69 ft at 2:45AM Apr 13, 2019Observed: 13.7 ft at 3:00AM Apr 13, 2019Observed: 13.69 ft at 3:15AM Apr 13, 2019Observed: 13.7 ft at 3:30AM Apr 13, 2019Observed: 13.68 ft at 3:45AM Apr 13, 2019Observed: 13.67 ft at 4:00AM Apr 13, 2019Observed: 13.67 ft at 4:15AM Apr 13, 2019Observed: 13.67 ft at 4:30AM Apr 13, 2019Observed: 13.65 ft at 4:45AM Apr 13, 2019Observed: 13.67 ft at 5:00AM Apr 13, 2019Observed: 13.65 ft at 5:15AM Apr 13, 2019Observed: 13.64 ft at 5:30AM Apr 13, 2019Observed: 13.63 ft at 5:45AM Apr 13, 2019Observed: 13.65 ft at 6:00AM Apr 13, 2019Observed: 13.64 ft at 6:15AM Apr 13, 2019Observed: 13.63 ft at 6:30AM Apr 13, 2019Observed: 13.61 ft at 6:45AM Apr 13, 2019Observed: 13.63 ft at 7:00AM Apr 13, 2019Observed: 13.6 ft at 7:01AM Apr 13, 2019Observed: 13.6 ft at 7:15AM Apr 13, 2019Observed: 13.6 ft at 7:16AM Apr 13, 2019Observed: 13.6 ft at 7:30AM Apr 13, 2019Observed: 13.6 ft at 7:31AM Apr 13, 2019Observed: 13.6 ft at 7:45AM Apr 13, 2019Observed: 13.62 ft at 8:00AM Apr 13, 2019Observed: 13.58 ft at 8:15AM Apr 13, 2019Observed: 13.6 ft at 8:30AM Apr 13, 2019Observed: 13.59 ft at 8:45AM Apr 13, 2019Observed: 13.58 ft at 9:00AM Apr 13, 2019Observed: 13.59 ft at 9:15AM Apr 13, 2019Observed: 13.57 ft at 9:30AM Apr 13, 2019Observed: 13.58 ft at 9:45AM Apr 13, 2019Observed: 13.57 ft at 10:00AM Apr 13, 2019Observed: 13.56 ft at 10:15AM Apr 13, 2019Observed: 13.55 ft at 10:30AM Apr 13, 2019Observed: 13.58 ft at 10:45AM Apr 13, 2019Observed: 13.57 ft at 11:00AM Apr 13, 2019Observed: 13.56 ft at 11:15AM Apr 13, 2019Observed: 13.54 ft at 11:30AM Apr 13, 2019Observed: 13.53 ft at 11:45AM Apr 13, 2019Observed: 13.53 ft at 12:00PM Apr 13, 2019Observed: 13.52 ft at 12:15PM Apr 13, 2019Observed: 13.47 ft at 12:30PM Apr 13, 2019Observed: 13.5 ft at 12:45PM Apr 13, 2019Observed: 13.52 ft at 1:00PM Apr 13, 2019Observed: 13.52 ft at 1:15PM Apr 13, 2019Observed: 13.51 ft at 1:30PM Apr 13, 2019Observed: 13.51 ft at 1:45PM Apr 13, 2019Observed: 13.51 ft at 2:00PM Apr 13, 2019Observed: 13.49 ft at 2:15PM Apr 13, 2019Observed: 13.5 ft at 2:30PM Apr 13, 2019Observed: 13.51 ft at 2:45PM Apr 13, 2019Observed: 13.48 ft at 3:00PM Apr 13, 2019Observed: 13.51 ft at 3:01PM Apr 13, 2019Observed: 13.51 ft at 3:15PM Apr 13, 2019Observed: 13.5 ft at 3:16PM Apr 13, 2019Observed: 13.5 ft at 3:30PM Apr 13, 2019Observed: 13.5 ft at 3:31PM Apr 13, 2019Observed: 13.5 ft at 3:45PM Apr 13, 2019Observed: 13.5 ft at 4:00PM Apr 13, 2019Observed: 13.49 ft at 4:15PM Apr 13, 2019Observed: 13.5 ft at 4:30PM Apr 13, 2019Observed: 13.5 ft at 4:45PM Apr 13, 2019Observed: 13.47 ft at 5:00PM Apr 13, 2019Observed: 13.45 ft at 5:15PM Apr 13, 2019Observed: 13.46 ft at 5:30PM Apr 13, 2019Observed: 13.49 ft at 5:45PM Apr 13, 2019Observed: 13.42 ft at 6:00PM Apr 13, 2019Observed: 13.48 ft at 6:15PM Apr 13, 2019Observed: 13.46 ft at 6:30PM Apr 13, 2019Observed: 13.47 ft at 6:45PM Apr 13, 2019Observed: 13.47 ft at 7:00PM Apr 13, 2019Observed: 13.47 ft at 7:15PM Apr 13, 2019Observed: 13.48 ft at 7:30PM Apr 13, 2019Observed: 13.49 ft at 7:45PM Apr 13, 2019Observed: 13.44 ft at 8:00PM Apr 13, 2019Observed: 13.47 ft at 8:15PM Apr 13, 2019Observed: 13.43 ft at 8:30PM Apr 13, 2019Observed: 13.46 ft at 8:45PM Apr 13, 2019Observed: 13.45 ft at 9:00PM Apr 13, 2019Observed: 13.46 ft at 9:15PM Apr 13, 2019Observed: 13.42 ft at 9:30PM Apr 13, 2019Observed: 13.46 ft at 9:45PM Apr 13, 2019Observed: 13.43 ft at 10:00PM Apr 13, 2019Observed: 13.44 ft at 10:15PM Apr 13, 2019Observed: 13.45 ft at 10:30PM Apr 13, 2019Observed: 13.44 ft at 10:45PM Apr 13, 2019Observed: 13.45 ft at 11:00PM Apr 13, 2019Observed: 13.45 ft at 11:02PM Apr 13, 2019Observed: 13.45 ft at 11:15PM Apr 13, 2019Observed: 13.44 ft at 11:17PM Apr 13, 2019Observed: 13.44 ft at 11:30PM Apr 13, 2019Observed: 13.44 ft at 11:32PM Apr 13, 2019Observed: 13.44 ft at 11:45PM Apr 13, 2019Observed: 13.4 ft at 12:00AM Apr 14, 2019Observed: 13.43 ft at 12:15AM Apr 14, 2019Observed: 13.43 ft at 12:30AM Apr 14, 2019Observed: 13.44 ft at 12:45AM Apr 14, 2019Observed: 13.42 ft at 1:00AM Apr 14, 2019Observed: 13.41 ft at 1:15AM Apr 14, 2019Observed: 13.42 ft at 1:30AM Apr 14, 2019Observed: 13.42 ft at 1:45AM Apr 14, 2019Observed: 13.41 ft at 2:00AM Apr 14, 2019Observed: 13.4 ft at 2:15AM Apr 14, 2019Observed: 13.42 ft at 2:30AM Apr 14, 2019Observed: 13.42 ft at 2:45AM Apr 14, 2019Observed: 13.42 ft at 3:00AM Apr 14, 2019Observed: 13.42 ft at 3:15AM Apr 14, 2019Observed: 13.41 ft at 3:30AM Apr 14, 2019Observed: 13.4 ft at 3:45AM Apr 14, 2019Observed: 13.4 ft at 4:00AM Apr 14, 2019Observed: 13.41 ft at 4:15AM Apr 14, 2019Observed: 13.39 ft at 4:30AM Apr 14, 2019Observed: 13.39 ft at 4:45AM Apr 14, 2019Observed: 13.38 ft at 5:00AM Apr 14, 2019Observed: 13.41 ft at 5:15AM Apr 14, 2019Observed: 13.39 ft at 5:30AM Apr 14, 2019Observed: 13.38 ft at 5:45AM Apr 14, 2019Observed: 13.37 ft at 6:00AM Apr 14, 2019Observed: 13.37 ft at 6:15AM Apr 14, 2019Observed: 13.38 ft at 6:30AM Apr 14, 2019Observed: 13.36 ft at 6:45AM Apr 14, 2019Observed: 13.37 ft at 7:00AM Apr 14, 2019Observed: 13.36 ft at 7:01AM Apr 14, 2019Observed: 13.36 ft at 7:15AM Apr 14, 2019Observed: 13.35 ft at 7:16AM Apr 14, 2019Observed: 13.35 ft at 7:30AM Apr 14, 2019Observed: 13.38 ft at 7:31AM Apr 14, 2019Observed: 13.38 ft at 7:45AM Apr 14, 2019Observed: 13.36 ft at 8:00AM Apr 14, 2019Observed: 13.36 ft at 8:15AM Apr 14, 2019Observed: 13.34 ft at 8:30AM Apr 14, 2019Observed: 13.35 ft at 8:45AM Apr 14, 2019Observed: 13.35 ft at 9:00AM Apr 14, 2019Observed: 13.34 ft at 9:15AM Apr 14, 2019Observed: 13.33 ft at 9:30AM Apr 14, 2019Observed: 13.35 ft at 9:45AM Apr 14, 2019Observed: 13.32 ft at 10:00AM Apr 14, 2019Observed: 13.35 ft at 10:15AM Apr 14, 2019Observed: 13.34 ft at 10:30AM Apr 14, 2019Observed: 13.33 ft at 10:45AM Apr 14, 2019Observed: 13.33 ft at 11:00AM Apr 14, 2019Observed: 13.32 ft at 11:15AM Apr 14, 2019Observed: 13.34 ft at 11:30AM Apr 14, 2019Observed: 13.34 ft at 11:45AM Apr 14, 2019Observed: 13.33 ft at 12:00PM Apr 14, 2019Observed: 13.32 ft at 12:15PM Apr 14, 2019Observed: 13.33 ft at 12:30PM Apr 14, 2019Observed: 13.34 ft at 12:45PM Apr 14, 2019Observed: 13.32 ft at 1:00PM Apr 14, 2019Observed: 13.33 ft at 1:15PM Apr 14, 2019Observed: 13.33 ft at 1:30PM Apr 14, 2019Observed: 13.32 ft at 1:45PM Apr 14, 2019Observed: 13.33 ft at 2:00PM Apr 14, 2019Observed: 13.32 ft at 2:15PM Apr 14, 2019Observed: 13.32 ft at 2:30PM Apr 14, 2019Observed: 13.32 ft at 2:45PM Apr 14, 2019Observed: 13.32 ft at 3:00PM Apr 14, 2019Observed: 13.32 ft at 3:02PM Apr 14, 2019Observed: 13.32 ft at 3:15PM Apr 14, 2019Observed: 13.31 ft at 3:17PM Apr 14, 2019Observed: 13.31 ft at 3:30PM Apr 14, 2019Observed: 13.32 ft at 3:32PM Apr 14, 2019Observed: 13.32 ft at 3:45PM Apr 14, 2019Observed: 13.32 ft at 4:00PM Apr 14, 2019Observed: 13.33 ft at 4:15PM Apr 14, 2019Observed: 13.31 ft at 4:30PM Apr 14, 2019Observed: 13.3 ft at 4:45PM Apr 14, 2019Observed: 13.3 ft at 5:00PM Apr 14, 2019Observed: 13.31 ft at 5:15PM Apr 14, 2019Observed: 13.31 ft at 5:30PM Apr 14, 2019Observed: 13.31 ft at 5:45PM Apr 14, 2019Observed: 13.31 ft at 6:00PM Apr 14, 2019Observed: 13.31 ft at 6:15PM Apr 14, 2019Observed: 13.31 ft at 6:30PM Apr 14, 2019Observed: 13.32 ft at 6:45PM Apr 14, 2019Observed: 13.29 ft at 7:00PM Apr 14, 2019Observed: 13.31 ft at 7:15PM Apr 14, 2019Observed: 13.32 ft at 7:30PM Apr 14, 2019Observed: 13.3 ft at 7:45PM Apr 14, 2019Observed: 13.31 ft at 8:00PM Apr 14, 2019Observed: 13.32 ft at 8:15PM Apr 14, 2019Observed: 13.32 ft at 8:30PM Apr 14, 2019Observed: 13.33 ft at 8:45PM Apr 14, 2019Observed: 13.31 ft at 9:00PM Apr 14, 2019Observed: 13.31 ft at 9:15PM Apr 14, 2019Observed: 13.29 ft at 9:30PM Apr 14, 2019Observed: 13.32 ft at 9:45PM Apr 14, 2019Observed: 13.31 ft at 10:00PM Apr 14, 2019Observed: 13.32 ft at 10:15PM Apr 14, 2019Observed: 13.31 ft at 10:30PM Apr 14, 2019Observed: 13.32 ft at 10:45PM Apr 14, 2019Observed: 13.32 ft at 11:00PM Apr 14, 2019Observed: 13.34 ft at 11:01PM Apr 14, 2019Observed: 13.34 ft at 11:15PM Apr 14, 2019Observed: 13.32 ft at 11:16PM Apr 14, 2019Observed: 13.32 ft at 11:30PM Apr 14, 2019Observed: 13.32 ft at 11:31PM Apr 14, 2019Observed: 13.32 ft at 11:45PM Apr 14, 2019Observed: 13.32 ft at 12:00AM Apr 15, 2019Observed: 13.33 ft at 12:15AM Apr 15, 2019Observed: 13.32 ft at 12:30AM Apr 15, 2019Observed: 13.32 ft at 12:45AM Apr 15, 2019Observed: 13.32 ft at 1:00AM Apr 15, 2019Observed: 13.33 ft at 1:15AM Apr 15, 2019Observed: 13.33 ft at 1:30AM Apr 15, 2019Observed: 13.32 ft at 1:45AM Apr 15, 2019Observed: 13.31 ft at 2:00AM Apr 15, 2019Observed: 13.33 ft at 2:15AM Apr 15, 2019Observed: 13.32 ft at 2:30AM Apr 15, 2019Observed: 13.34 ft at 2:45AM Apr 15, 2019Observed: 13.34 ft at 3:00AM Apr 15, 2019Observed: 13.31 ft at 3:15AM Apr 15, 2019Observed: 13.32 ft at 3:30AM Apr 15, 2019Observed: 13.33 ft at 3:45AM Apr 15, 2019Observed: 13.35 ft at 4:00AM Apr 15, 2019Observed: 13.33 ft at 4:15AM Apr 15, 2019Observed: 13.33 ft at 4:30AM Apr 15, 2019Observed: 13.34 ft at 4:45AM Apr 15, 2019Observed: 13.33 ft at 5:00AM Apr 15, 2019Observed: 13.32 ft at 5:15AM Apr 15, 2019Observed: 13.34 ft at 5:30AM Apr 15, 2019Observed: 13.36 ft at 5:45AM Apr 15, 2019Observed: 13.33 ft at 6:00AM Apr 15, 2019Observed: 13.31 ft at 6:15AM Apr 15, 2019Observed: 13.34 ft at 6:30AM Apr 15, 2019Observed: 13.33 ft at 6:45AM Apr 15, 2019Observed: 13.35 ft at 7:00AM Apr 15, 2019Observed: 13.34 ft at 7:01AM Apr 15, 2019Observed: 13.34 ft at 7:15AM Apr 15, 2019Observed: 13.34 ft at 7:16AM Apr 15, 2019Observed: 13.34 ft at 7:30AM Apr 15, 2019Observed: 13.34 ft at 7:31AM Apr 15, 2019Observed: 13.34 ft at 7:45AM Apr 15, 2019Observed: 13.32 ft at 8:00AM Apr 15, 2019Observed: 13.35 ft at 8:15AM Apr 15, 2019Observed: 13.34 ft at 8:30AM Apr 15, 2019Observed: 13.36 ft at 8:45AM Apr 15, 2019Observed: 13.36 ft at 9:00AM Apr 15, 2019Observed: 13.35 ft at 9:15AM Apr 15, 2019Observed: 13.36 ft at 9:30AM Apr 15, 2019Observed: 13.34 ft at 9:45AM Apr 15, 2019Observed: 13.35 ft at 10:00AM Apr 15, 2019Observed: 13.35 ft at 10:15AM Apr 15, 2019Observed: 13.34 ft at 10:30AM Apr 15, 2019Observed: 13.36 ft at 10:45AM Apr 15, 2019Observed: 13.37 ft at 11:00AM Apr 15, 2019Observed: 13.37 ft at 11:15AM Apr 15, 2019Observed: 13.38 ft at 11:30AM Apr 15, 2019Observed: 13.36 ft at 11:45AM Apr 15, 2019Observed: 13.34 ft at 12:00PM Apr 15, 2019Observed: 13.35 ft at 12:15PM Apr 15, 2019Observed: 13.35 ft at 12:30PM Apr 15, 2019Observed: 13.36 ft at 12:45PM Apr 15, 2019Observed: 13.35 ft at 1:00PM Apr 15, 2019Observed: 13.37 ft at 1:15PM Apr 15, 2019Observed: 13.36 ft at 1:30PM Apr 15, 2019Observed: 13.35 ft at 1:45PM Apr 15, 2019Observed: 13.37 ft at 2:00PM Apr 15, 2019Observed: 13.36 ft at 2:15PM Apr 15, 2019Observed: 13.34 ft at 2:30PM Apr 15, 2019Observed: 13.37 ft at 2:45PM Apr 15, 2019Observed: 13.37 ft at 3:00PM Apr 15, 2019Observed: 13.37 ft at 3:02PM Apr 15, 2019Observed: 13.37 ft at 3:15PM Apr 15, 2019Observed: 13.37 ft at 3:17PM Apr 15, 2019Observed: 13.37 ft at 3:30PM Apr 15, 2019Observed: 13.38 ft at 3:32PM Apr 15, 2019Observed: 13.38 ft at 3:45PM Apr 15, 2019Observed: 13.4 ft at 4:00PM Apr 15, 2019Observed: 13.39 ft at 4:15PM Apr 15, 2019Observed: 13.41 ft at 4:30PM Apr 15, 2019Observed: 13.41 ft at 4:45PM Apr 15, 2019Observed: 13.39 ft at 5:00PM Apr 15, 2019Observed: 13.39 ft at 5:15PM Apr 15, 2019Observed: 13.38 ft at 5:30PM Apr 15, 2019Observed: 13.42 ft at 5:45PM Apr 15, 2019Observed: 13.42 ft at 6:00PM Apr 15, 2019Observed: 13.43 ft at 6:15PM Apr 15, 2019Observed: 13.43 ft at 6:30PM Apr 15, 2019Observed: 13.46 ft at 6:45PM Apr 15, 2019Observed: 13.43 ft at 7:00PM Apr 15, 2019Observed: 13.44 ft at 7:15PM Apr 15, 2019Observed: 13.45 ft at 7:30PM Apr 15, 2019Observed: 13.45 ft at 7:45PM Apr 15, 2019Observed: 13.44 ft at 8:00PM Apr 15, 2019Observed: 13.47 ft at 8:15PM Apr 15, 2019Observed: 13.45 ft at 8:30PM Apr 15, 2019Observed: 13.46 ft at 8:45PM Apr 15, 2019Observed: 13.46 ft at 9:00PM Apr 15, 2019Observed: 13.44 ft at 9:15PM Apr 15, 2019Observed: 13.47 ft at 9:30PM Apr 15, 2019Observed: 13.49 ft at 9:45PM Apr 15, 2019Observed: 13.49 ft at 10:00PM Apr 15, 2019Observed: 13.5 ft at 10:15PM Apr 15, 2019Observed: 13.52 ft at 10:30PM Apr 15, 2019Observed: 13.48 ft at 10:45PM Apr 15, 2019Observed: 13.51 ft at 11:00PM Apr 15, 2019Observed: 13.53 ft at 11:02PM Apr 15, 2019Observed: 13.53 ft at 11:15PM Apr 15, 2019Observed: 13.51 ft at 11:17PM Apr 15, 2019Observed: 13.51 ft at 11:30PM Apr 15, 2019Observed: 13.5 ft at 11:32PM Apr 15, 2019Observed: 13.5 ft at 11:45PM Apr 15, 2019Observed: 13.52 ft at 12:00AM Apr 16, 2019Observed: 13.52 ft at 12:15AM Apr 16, 2019Observed: 13.53 ft at 12:30AM Apr 16, 2019Observed: 13.57 ft at 12:45AM Apr 16, 2019Observed: 13.55 ft at 1:00AM Apr 16, 2019Observed: 13.56 ft at 1:15AM Apr 16, 2019Observed: 13.57 ft at 1:30AM Apr 16, 2019Observed: 13.5 ft at 1:45AM Apr 16, 2019Observed: 13.56 ft at 2:00AM Apr 16, 2019Observed: 13.57 ft at 2:15AM Apr 16, 2019Observed: 13.58 ft at 2:30AM Apr 16, 2019Observed: 13.59 ft at 2:45AM Apr 16, 2019Observed: 13.59 ft at 3:00AM Apr 16, 2019Observed: 13.59 ft at 3:15AM Apr 16, 2019Observed: 13.6 ft at 3:30AM Apr 16, 2019Observed: 13.58 ft at 3:45AM Apr 16, 2019Observed: 13.61 ft at 4:00AM Apr 16, 2019Observed: 13.63 ft at 4:15AM Apr 16, 2019Observed: 13.64 ft at 4:30AM Apr 16, 2019Observed: 13.63 ft at 4:45AM Apr 16, 2019Observed: 13.66 ft at 5:00AM Apr 16, 2019Observed: 13.57 ft at 5:15AM Apr 16, 2019Observed: 13.63 ft at 5:30AM Apr 16, 2019Observed: 13.67 ft at 5:45AM Apr 16, 2019Observed: 13.66 ft at 6:00AM Apr 16, 2019Observed: 13.66 ft at 6:15AM Apr 16, 2019Observed: 13.67 ft at 6:30AM Apr 16, 2019Observed: 13.68 ft at 6:45AM Apr 16, 2019Observed: 13.66 ft at 7:00AM Apr 16, 2019Observed: 13.72 ft at 7:01AM Apr 16, 2019Observed: 13.72 ft at 7:15AM Apr 16, 2019Observed: 13.68 ft at 7:16AM Apr 16, 2019Observed: 13.68 ft at 7:30AM Apr 16, 2019Observed: 13.68 ft at 7:31AM Apr 16, 2019Observed: 13.68 ft at 7:45AM Apr 16, 2019Observed: 13.69 ft at 8:00AM Apr 16, 2019Observed: 13.7 ft at 8:15AM Apr 16, 2019Observed: 13.72 ft at 8:30AM Apr 16, 2019Observed: 13.74 ft at 8:45AM Apr 16, 2019Observed: 13.74 ft at 9:00AM Apr 16, 2019Observed: 13.75 ft at 9:15AM Apr 16, 2019Observed: 13.74 ft at 9:30AM Apr 16, 2019Observed: 13.74 ft at 9:45AM Apr 16, 2019Observed: 13.77 ft at 10:00AM Apr 16, 2019Observed: 13.76 ft at 10:15AM Apr 16, 2019Observed: 13.74 ft at 10:30AM Apr 16, 2019Observed: 13.75 ft at 10:45AM Apr 16, 2019Observed: 13.76 ft at 11:00AM Apr 16, 2019Observed: 13.75 ft at 11:15AM Apr 16, 2019Observed: 13.79 ft at 11:30AM Apr 16, 2019Observed: 13.76 ft at 11:45AM Apr 16, 2019Observed: 13.8 ft at 12:00PM Apr 16, 2019Observed: 13.78 ft at 12:15PM Apr 16, 2019Observed: 13.8 ft at 12:30PM Apr 16, 2019Observed: 13.78 ft at 12:45PM Apr 16, 2019Observed: 13.8 ft at 1:00PM Apr 16, 2019Observed: 13.83 ft at 1:15PM Apr 16, 2019Observed: 13.83 ft at 1:30PM Apr 16, 2019Observed: 13.83 ft at 1:45PM Apr 16, 2019Observed: 13.84 ft at 2:00PM Apr 16, 2019Observed: 13.83 ft at 2:15PM Apr 16, 2019Observed: 13.84 ft at 2:30PM Apr 16, 2019Observed: 13.81 ft at 2:45PM Apr 16, 2019Observed: 13.83 ft at 3:00PM Apr 16, 2019Observed: 13.85 ft at 3:15PM Apr 16, 2019Observed: 13.85 ft at 3:16PM Apr 16, 2019Observed: 13.85 ft at 3:30PM Apr 16, 2019Observed: 13.88 ft at 3:31PM Apr 16, 2019Observed: 13.88 ft at 3:45PM Apr 16, 2019Observed: 13.86 ft at 3:46PM Apr 16, 2019Observed: 13.86 ft at 4:00PM Apr 16, 2019Observed: 13.87 ft at 4:15PM Apr 16, 2019Observed: 13.86 ft at 4:30PM Apr 16, 2019Observed: 13.9 ft at 4:45PM Apr 16, 2019Observed: 13.88 ft at 5:00PM Apr 16, 2019Observed: 13.89 ft at 5:15PM Apr 16, 2019Observed: 13.88 ft at 5:30PM Apr 16, 2019Observed: 13.88 ft at 5:45PM Apr 16, 2019Observed: 13.86 ft at 6:00PM Apr 16, 2019Observed: 13.9 ft at 6:15PM Apr 16, 2019Observed: 13.89 ft at 6:30PM Apr 16, 2019Observed: 13.9 ft at 6:45PM Apr 16, 2019Observed: 13.88 ft at 7:00PM Apr 16, 2019Observed: 13.92 ft at 7:15PM Apr 16, 2019Observed: 13.9 ft at 7:30PM Apr 16, 2019Observed: 13.9 ft at 7:45PM Apr 16, 2019Observed: 13.94 ft at 8:00PM Apr 16, 2019Observed: 13.94 ft at 8:15PM Apr 16, 2019Observed: 13.9 ft at 8:30PM Apr 16, 2019Observed: 13.89 ft at 8:45PM Apr 16, 2019Observed: 13.95 ft at 9:00PM Apr 16, 2019Observed: 13.94 ft at 9:15PM Apr 16, 2019Observed: 13.93 ft at 9:30PM Apr 16, 2019Observed: 13.94 ft at 9:45PM Apr 16, 2019Observed: 13.93 ft at 10:00PM Apr 16, 2019Observed: 13.92 ft at 10:15PM Apr 16, 2019Observed: 13.93 ft at 10:30PM Apr 16, 2019Observed: 13.94 ft at 10:45PM Apr 16, 2019Observed: 13.96 ft at 11:00PM Apr 16, 2019Observed: 13.91 ft at 11:15PM Apr 16, 2019Observed: 13.96 ft at 11:17PM Apr 16, 2019Observed: 13.96 ft at 11:30PM Apr 16, 2019Observed: 13.96 ft at 11:32PM Apr 16, 2019Observed: 13.96 ft at 11:45PM Apr 16, 2019Observed: 13.96 ft at 11:47PM Apr 16, 2019Observed: 13.96 ft at 12:00AM Apr 17, 2019Observed: 13.96 ft at 12:15AM Apr 17, 2019Observed: 13.93 ft at 12:30AM Apr 17, 2019Observed: 13.97 ft at 12:45AM Apr 17, 2019Observed: 13.96 ft at 1:00AM Apr 17, 2019Observed: 13.97 ft at 1:15AM Apr 17, 2019Observed: 13.98 ft at 1:30AM Apr 17, 2019Observed: 13.96 ft at 1:45AM Apr 17, 2019Observed: 13.97 ft at 2:00AM Apr 17, 2019Observed: 13.97 ft at 2:15AM Apr 17, 2019Observed: 14.01 ft at 2:30AM Apr 17, 2019Observed: 13.97 ft at 2:45AM Apr 17, 2019Observed: 13.97 ft at 3:00AM Apr 17, 2019Observed: 13.96 ft at 3:15AM Apr 17, 2019Observed: 13.95 ft at 3:30AM Apr 17, 2019Observed: 13.97 ft at 3:45AM Apr 17, 2019Observed: 13.96 ft at 4:00AM Apr 17, 2019Observed: 13.99 ft at 4:15AM Apr 17, 2019Observed: 14.02 ft at 4:30AM Apr 17, 2019Observed: 14.01 ft at 4:45AM Apr 17, 2019Observed: 13.98 ft at 5:00AM Apr 17, 2019Observed: 14.01 ft at 5:15AM Apr 17, 2019Observed: 13.98 ft at 5:30AM Apr 17, 2019Observed: 14 ft at 5:45AM Apr 17, 2019Observed: 14.03 ft at 6:00AM Apr 17, 2019Observed: 14.01 ft at 6:15AM Apr 17, 2019Observed: 13.96 ft at 6:30AM Apr 17, 2019Observed: 14.01 ft at 6:45AM Apr 17, 2019Observed: 14.03 ft at 7:00AM Apr 17, 2019Observed: 14.01 ft at 7:15AM Apr 17, 2019Observed: 14.01 ft at 7:16AM Apr 17, 2019Observed: 14.01 ft at 7:30AM Apr 17, 2019Observed: 14.02 ft at 7:31AM Apr 17, 2019Observed: 14.02 ft at 7:45AM Apr 17, 2019Observed: 14.01 ft at 7:46AM Apr 17, 2019Observed: 14.01 ft at 8:00AM Apr 17, 2019Observed: 14.03 ft at 8:15AM Apr 17, 2019Observed: 14.01 ft at 8:30AM Apr 17, 2019Observed: 14.02 ft at 8:45AM Apr 17, 2019Observed: 14.01 ft at 9:00AM Apr 17, 2019Observed: 14.03 ft at 9:15AM Apr 17, 2019Observed: 14 ft at 9:30AM Apr 17, 2019Observed: 14.03 ft at 9:45AM Apr 17, 2019Observed: 14.02 ft at 10:00AM Apr 17, 2019Observed: 14.05 ft at 10:15AM Apr 17, 2019Observed: 14.04 ft at 10:30AM Apr 17, 2019Observed: 14.07 ft at 10:45AM Apr 17, 2019Observed: 14.05 ft at 11:00AM Apr 17, 2019Observed: 14.06 ft at 11:15AM Apr 17, 2019Observed: 14.05 ft at 11:30AM Apr 17, 2019Observed: 14.03 ft at 11:45AM Apr 17, 2019Observed: 14.07 ft at 12:00PM Apr 17, 2019Observed: 14.04 ft at 12:15PM Apr 17, 2019Observed: 14.05 ft at 12:30PM Apr 17, 2019Observed: 14.07 ft at 12:45PM Apr 17, 2019Observed: 14.06 ft at 1:00PM Apr 17, 2019Observed: 14.07 ft at 1:15PM Apr 17, 2019Observed: 14.04 ft at 1:30PM Apr 17, 2019Observed: 14.07 ft at 1:45PM Apr 17, 2019Observed: 14.03 ft at 2:00PM Apr 17, 2019Observed: 14.08 ft at 2:15PM Apr 17, 2019Observed: 14.08 ft at 2:30PM Apr 17, 2019Observed: 14.05 ft at 2:45PM Apr 17, 2019Observed: 14.1 ft at 3:00PM Apr 17, 2019Observed: 14.08 ft at 3:15PM Apr 17, 2019Observed: 14.06 ft at 3:17PM Apr 17, 2019Observed: 14.06 ft at 3:30PM Apr 17, 2019Observed: 14.08 ft at 3:32PM Apr 17, 2019Observed: 14.08 ft at 3:45PM Apr 17, 2019Observed: 14.05 ft at 3:47PM Apr 17, 2019Observed: 14.05 ft at 4:00PM Apr 17, 2019Observed: 14.1 ft at 4:15PM Apr 17, 2019Observed: 14.07 ft at 4:30PM Apr 17, 2019Observed: 14.1 ft at 4:45PM Apr 17, 2019Observed: 14.07 ft at 5:00PM Apr 17, 2019Observed: 14.09 ft at 5:15PM Apr 17, 2019Observed: 14.06 ft at 5:30PM Apr 17, 2019Observed: 14.09 ft at 5:45PM Apr 17, 2019Observed: 14.1 ft at 6:00PM Apr 17, 2019Observed: 14.09 ft at 6:15PM Apr 17, 2019Observed: 14.09 ft at 6:30PM Apr 17, 2019Observed: 14.08 ft at 6:45PM Apr 17, 2019Observed: 14.09 ft at 7:00PM Apr 17, 2019Observed: 14.09 ft at 7:15PM Apr 17, 2019Observed: 14.01 ft at 7:30PM Apr 17, 2019Observed: 14.11 ft at 7:45PM Apr 17, 2019Observed: 14.09 ft at 8:00PM Apr 17, 2019Observed: 14.08 ft at 8:15PM Apr 17, 2019Observed: 14.1 ft at 8:30PM Apr 17, 2019Observed: 14.08 ft at 8:45PM Apr 17, 2019Observed: 14.1 ft at 9:00PM Apr 17, 2019Observed: 14.11 ft at 9:15PM Apr 17, 2019Observed: 14.12 ft at 9:30PM Apr 17, 2019Observed: 14.13 ft at 9:45PM Apr 17, 2019Observed: 14.1 ft at 10:00PM Apr 17, 2019Observed: 14.03 ft at 10:15PM Apr 17, 2019Observed: 14.1 ft at 10:30PM Apr 17, 2019Observed: 14.16 ft at 10:45PM Apr 17, 2019Observed: 14.09 ft at 11:00PM Apr 17, 2019Observed: 14.14 ft at 11:15PM Apr 17, 2019Observed: 14.1 ft at 11:16PM Apr 17, 2019Observed: 14.1 ft at 11:30PM Apr 17, 2019Observed: 14.12 ft at 11:31PM Apr 17, 2019Observed: 14.12 ft at 11:45PM Apr 17, 2019Observed: 14.1 ft at 11:46PM Apr 17, 2019Observed: 14.1 ft at 12:00AM Apr 18, 2019Observed: 14.09 ft at 12:15AM Apr 18, 2019Observed: 14.14 ft at 12:30AM Apr 18, 2019Observed: 14.11 ft at 12:45AM Apr 18, 2019Observed: 14.12 ft at 1:00AM Apr 18, 2019Observed: 14.09 ft at 1:15AM Apr 18, 2019Observed: 14.12 ft at 1:30AM Apr 18, 2019Observed: 14.15 ft at 1:45AM Apr 18, 2019Observed: 14.11 ft at 2:00AM Apr 18, 2019Observed: 14.11 ft at 2:15AM Apr 18, 2019Observed: 14.11 ft at 2:30AM Apr 18, 2019Observed: 14.12 ft at 2:45AM Apr 18, 2019Observed: 14.1 ft at 3:00AM Apr 18, 2019Observed: 14.12 ft at 3:15AM Apr 18, 2019Observed: 14.11 ft at 3:30AM Apr 18, 2019Observed: 14.13 ft at 3:45AM Apr 18, 2019Observed: 14.12 ft at 4:00AM Apr 18, 2019Observed: 14.14 ft at 4:15AM Apr 18, 2019Observed: 14.12 ft at 4:30AM Apr 18, 2019Observed: 14.12 ft at 4:45AM Apr 18, 2019Observed: 14.14 ft at 5:00AM Apr 18, 2019Observed: 14.13 ft at 5:15AM Apr 18, 2019Observed: 14.11 ft at 5:30AM Apr 18, 2019Observed: 14.12 ft at 5:45AM Apr 18, 2019Highest Observation: 14.18 ft at 6:00AM Apr 18, 2019Observed: 14.12 ft at 6:15AM Apr 18, 2019Observed: 14.16 ft at 6:30AM Apr 18, 2019Observed: 14.15 ft at 6:45AM Apr 18, 2019Observed: 14.14 ft at 7:00AM Apr 18, 2019Observed: 14.15 ft at 7:15AM Apr 18, 2019Observed: 14.13 ft at 7:16AM Apr 18, 2019Observed: 14.13 ft at 7:30AM Apr 18, 2019Observed: 14.15 ft at 7:31AM Apr 18, 2019Observed: 14.15 ft at 7:45AM Apr 18, 2019Observed: 14.14 ft at 7:46AM Apr 18, 2019Observed: 14.14 ft at 8:00AM Apr 18, 2019Observed: 14.11 ft at 8:15AM Apr 18, 2019Observed: 14.11 ft at 8:30AM Apr 18, 2019Observed: 14.17 ft at 8:45AM Apr 18, 2019Observed: 14.16 ft at 9:00AM Apr 18, 2019Observed: 14.16 ft at 9:15AM Apr 18, 2019Observed: 14.16 ft at 9:30AM Apr 18, 2019Observed: 14.16 ft at 9:45AM Apr 18, 2019Observed: 14.11 ft at 10:00AM Apr 18, 2019Observed: 14.16 ft at 10:15AM Apr 18, 2019Highest Observation: 14.18 ft at 10:30AM Apr 18, 2019Highest Forecast: 14.1 ft 1:00PM Apr 18, 2019Highest Forecast: 14.1 ft 7:00PM Apr 18, 2019Highest Forecast: 14.1 ft 1:00AM Apr 19, 2019Highest Forecast: 14.1 ft 7:00AM Apr 19, 2019Highest Forecast: 14.1 ft 1:00PM Apr 19, 2019Highest Forecast: 14.1 ft 7:00PM Apr 19, 2019Highest Forecast: 14.1 ft 1:00AM Apr 20, 2019Highest Forecast: 14.1 ft 7:00AM Apr 20, 2019Highest Forecast: 14.1 ft 1:00PM Apr 20, 2019Highest Forecast: 14.1 ft 7:00PM Apr 20, 2019Forecast: 14 ft 1:00AM Apr 21, 2019Forecast: 13.9 ft 7:00AM Apr 21, 2019Forecast: 13.8 ft 1:00PM Apr 21, 2019Forecast: 13.7 ft 7:00PM Apr 21, 2019Forecast: 13.6 ft 1:00AM Apr 22, 2019Forecast: 13.5 ft 7:00AM Apr 22, 2019Forecast: 13.4 ft 1:00PM Apr 22, 2019Forecast: 13.2 ft 7:00PM Apr 22, 2019Forecast: 13.1 ft 1:00AM Apr 23, 2019Forecast: 13 ft 7:00AM Apr 23, 2019Forecast: 12.9 ft 1:00PM Apr 23, 2019Forecast: 12.7 ft 7:00PM Apr 23, 2019Forecast: 12.6 ft 1:00AM Apr 24, 2019Forecast: 12.6 ft 7:00AM Apr 24, 2019Forecast: 12.5 ft 1:00PM Apr 24, 2019Forecast: 12.4 ft 7:00PM Apr 24, 2019Forecast: 12.3 ft 1:00AM Apr 25, 2019Forecast: 12.3 ft 7:00AM Apr 25, 2019Forecast: 12.2 ft 1:00PM Apr 25, 2019Forecast: 12.1 ft 7:00PM Apr 25, 2019Forecast: 12.1 ft 1:00AM Apr 26, 2019Forecast: 12 ft 7:00AM Apr 26, 2019Forecast: 12 ft 1:00PM Apr 26, 2019Forecast: 11.9 ft 7:00PM Apr 26, 2019Forecast: 11.9 ft 1:00AM Apr 27, 2019Forecast: 11.9 ft 7:00AM Apr 27, 2019Forecast: 11.8 ft 1:00PM Apr 27, 2019Forecast: 11.8 ft 7:00PM Apr 27, 2019Forecast: 11.7 ft 1:00AM Apr 28, 2019Forecast: 11.7 ft 7:00AM Apr 28, 2019USGS--Water Resources of the United StatesDERS2(plotting HGIRG) Graph Created (11:19AM Apr 18, 2019)ObservedForecast (issued 9:02AM Apr 18)Latest observed value: 14.18 ft at 10:30 AM CDT 18-Apr-2019. Flood Stage is 12 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Flow values shown may be different than other data sources. All observations are preliminary data.

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 near Dell Rapids are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - above Dell Rapids Upstream Gauge Downstream Gauge Downstream Gauge - at Sioux Falls I-90
Flood Categories (in feet)
Major Flood Stage: 15
Moderate Flood Stage: 14
Flood Stage: 12
Action Stage: 11
Low Stage (in feet): -9999

Historic Crests
(1) 16.47 ft on 04/09/1969
(2) 16.29 ft on 09/25/2010
(3) 16.02 ft on 03/15/2007
(4) 15.63 ft on 03/24/2011
(5) 15.56 ft on 07/04/1993
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 14.20 ft on 04/27/2018
(2) 9.37 ft on 05/24/2017
(3) 7.43 ft on 03/11/2016
(4) 12.41 ft on 06/07/2015
(5) 11.60 ft on 06/16/2014
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.

Zoom Level:14
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Gauge LocationGauge Map Marker
Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
19 The bridge on 250th Street just west of Baltic is overtopped.
16 The water reaches the bottom of the bridge on 250th Street west of Baltic, and 248th Street east of the gauge is flooded, along with several other county roads. Flooding will affect the city of Renner with water going over the main road in town.
15.5 Water begins to impact residential areas in Dell Rapids. County Road 130 in Renner is flooded.
15 Some homes in Dell Rapids and Renner are flooded, and the Jaycee Camp between Baltic and Renner is also flooded.
14.5 250th Street west of Baltic is flooded, Park Road in Dell Rapids is flooded, and some homes and businesses along 1st Avenue in Dell Rapids are flooded.
14 Significant amounts of agricultural lands are flooded through the basin, and the park in Dell Rapids begins to flood.
12 Agricultural lands along the lower banks of the river begin to flood.
Photos
(1) Upstream View
(2) Downstream View
About This Location Collapse

Latitude: 43.790556° N, Longitude: 96.745278° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 12 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 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other 1455.99 ft 1467.99 ft  

Current/Historical Observations:

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Water Temperature/Water Quality
How low could the river get?
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Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Sioux Falls Weather Forecast Office
26 Weather Lane
Sioux Falls, SD 57104-0198
(605) 330-4247
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Page last modified: 4-Mar-2019 11:29 PM
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