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Hydrograph River at a Glance Download
Big Sioux River near Brookings Stage (ft)Flow (cfs)Observed: 7.04 ft at 5:30AM Dec 07, 2019Observed: 7.05 ft at 5:45AM Dec 07, 2019Observed: 7.04 ft at 6:00AM Dec 07, 2019Observed: 7.06 ft at 6:15AM Dec 07, 2019Observed: 7.07 ft at 6:30AM Dec 07, 2019Observed: 7.07 ft at 6:31AM Dec 07, 2019Observed: 7.07 ft at 6:45AM Dec 07, 2019Observed: 7.07 ft at 6:46AM Dec 07, 2019Observed: 7.06 ft at 7:00AM Dec 07, 2019Observed: 7.06 ft at 7:01AM Dec 07, 2019Observed: 7.07 ft at 7:15AM Dec 07, 2019Observed: 7.07 ft at 7:30AM Dec 07, 2019Observed: 7.08 ft at 7:45AM Dec 07, 2019Observed: 7.09 ft at 8:00AM Dec 07, 2019Observed: 7.09 ft at 8:15AM Dec 07, 2019Observed: 7.08 ft at 8:30AM Dec 07, 2019Observed: 7.09 ft at 8:45AM Dec 07, 2019Observed: 7.09 ft at 9:00AM Dec 07, 2019Observed: 7.08 ft at 9:15AM Dec 07, 2019Observed: 7.07 ft at 9:30AM Dec 07, 2019Observed: 7.08 ft at 9:45AM Dec 07, 2019Observed: 7.07 ft at 10:00AM Dec 07, 2019Observed: 7.07 ft at 10:15AM Dec 07, 2019Observed: 7.08 ft at 10:30AM Dec 07, 2019Observed: 7.06 ft at 10:45AM Dec 07, 2019Observed: 7.07 ft at 11:00AM Dec 07, 2019Observed: 7.06 ft at 11:15AM Dec 07, 2019Observed: 7.06 ft at 11:30AM Dec 07, 2019Observed: 7.06 ft at 11:45AM Dec 07, 2019Observed: 7.07 ft at 12:00PM Dec 07, 2019Observed: 7.06 ft at 12:15PM Dec 07, 2019Observed: 7.03 ft at 12:30PM Dec 07, 2019Observed: 7.02 ft at 12:45PM Dec 07, 2019Observed: 7.02 ft at 1:00PM Dec 07, 2019Observed: 7.01 ft at 1:15PM Dec 07, 2019Observed: 7.05 ft at 1:30PM Dec 07, 2019Observed: 7.04 ft at 1:45PM Dec 07, 2019Observed: 7.04 ft at 2:00PM Dec 07, 2019Observed: 7.09 ft at 2:15PM Dec 07, 2019Observed: 7.05 ft at 2:30PM Dec 07, 2019Observed: 7.05 ft at 2:31PM Dec 07, 2019Observed: 7.06 ft at 2:45PM Dec 07, 2019Observed: 7.06 ft at 2:46PM Dec 07, 2019Observed: 7.04 ft at 3:00PM Dec 07, 2019Observed: 7.04 ft at 3:01PM Dec 07, 2019Observed: 7.08 ft at 3:15PM Dec 07, 2019Observed: 7.09 ft at 3:30PM Dec 07, 2019Observed: 7.05 ft at 3:45PM Dec 07, 2019Observed: 7.08 ft at 4:00PM Dec 07, 2019Observed: 7.06 ft at 4:15PM Dec 07, 2019Observed: 7.02 ft at 4:30PM Dec 07, 2019Observed: 7.06 ft at 4:45PM Dec 07, 2019Observed: 7.04 ft at 5:00PM Dec 07, 2019Observed: 7.01 ft at 5:15PM Dec 07, 2019Observed: 7.01 ft at 5:30PM Dec 07, 2019Observed: 7 ft at 5:45PM Dec 07, 2019Observed: 7.03 ft at 6:00PM Dec 07, 2019Observed: 7 ft at 6:15PM Dec 07, 2019Observed: 6.97 ft at 6:30PM Dec 07, 2019Observed: 7.01 ft at 6:45PM Dec 07, 2019Observed: 6.99 ft at 7:00PM Dec 07, 2019Observed: 7.04 ft at 7:15PM Dec 07, 2019Observed: 6.99 ft at 7:30PM Dec 07, 2019Observed: 7 ft at 7:45PM Dec 07, 2019Observed: 7.03 ft at 8:00PM Dec 07, 2019Observed: 7.02 ft at 8:15PM Dec 07, 2019Observed: 7.01 ft at 8:30PM Dec 07, 2019Observed: 6.99 ft at 8:45PM Dec 07, 2019Observed: 6.98 ft at 9:00PM Dec 07, 2019Observed: 7.02 ft at 9:15PM Dec 07, 2019Observed: 7.02 ft at 9:30PM Dec 07, 2019Observed: 7 ft at 9:45PM Dec 07, 2019Observed: 7.01 ft at 10:00PM Dec 07, 2019Observed: 7.03 ft at 10:15PM Dec 07, 2019Observed: 7.01 ft at 10:30PM Dec 07, 2019Observed: 7.01 ft at 10:31PM Dec 07, 2019Observed: 7.05 ft at 10:45PM Dec 07, 2019Observed: 7.05 ft at 10:46PM Dec 07, 2019Observed: 7.01 ft at 11:00PM Dec 07, 2019Observed: 7.01 ft at 11:01PM Dec 07, 2019Observed: 7.01 ft at 11:15PM Dec 07, 2019Observed: 6.99 ft at 11:30PM Dec 07, 2019Observed: 7.03 ft at 11:45PM Dec 07, 2019Observed: 7.02 ft at 12:00AM Dec 08, 2019Observed: 7.04 ft at 12:15AM Dec 08, 2019Observed: 7.01 ft at 12:30AM Dec 08, 2019Observed: 7.01 ft at 12:45AM Dec 08, 2019Observed: 7.01 ft at 1:00AM Dec 08, 2019Observed: 7.03 ft at 1:15AM Dec 08, 2019Observed: 7.02 ft at 1:30AM Dec 08, 2019Observed: 7.02 ft at 1:45AM Dec 08, 2019Observed: 6.99 ft at 2:00AM Dec 08, 2019Observed: 7.02 ft at 2:15AM Dec 08, 2019Observed: 6.95 ft at 2:30AM Dec 08, 2019Observed: 6.97 ft at 2:45AM Dec 08, 2019Observed: 6.99 ft at 3:00AM Dec 08, 2019Observed: 6.98 ft at 3:15AM Dec 08, 2019Observed: 6.98 ft at 3:30AM Dec 08, 2019Observed: 6.97 ft at 3:45AM Dec 08, 2019Observed: 6.98 ft at 4:00AM Dec 08, 2019Observed: 7 ft at 4:15AM Dec 08, 2019Observed: 6.98 ft at 4:30AM Dec 08, 2019Observed: 6.95 ft at 4:45AM Dec 08, 2019Observed: 6.96 ft at 5:00AM Dec 08, 2019Observed: 6.95 ft at 5:15AM Dec 08, 2019Observed: 6.96 ft at 5:30AM Dec 08, 2019Observed: 6.94 ft at 5:45AM Dec 08, 2019Observed: 6.97 ft at 6:00AM Dec 08, 2019Observed: 6.93 ft at 6:15AM Dec 08, 2019Observed: 6.95 ft at 6:30AM Dec 08, 2019Observed: 6.92 ft at 6:45AM Dec 08, 2019Observed: 6.92 ft at 6:46AM Dec 08, 2019Observed: 6.93 ft at 7:00AM Dec 08, 2019Observed: 6.93 ft at 7:01AM Dec 08, 2019Observed: 6.92 ft at 7:15AM Dec 08, 2019Observed: 6.92 ft at 7:16AM Dec 08, 2019Observed: 6.88 ft at 7:30AM Dec 08, 2019Observed: 6.89 ft at 7:45AM Dec 08, 2019Observed: 6.86 ft at 8:00AM Dec 08, 2019Observed: 6.87 ft at 8:15AM Dec 08, 2019Observed: 6.85 ft at 8:30AM Dec 08, 2019Observed: 6.87 ft at 8:45AM Dec 08, 2019Observed: 6.88 ft at 9:00AM Dec 08, 2019Observed: 6.87 ft at 9:15AM Dec 08, 2019Observed: 6.87 ft at 9:30AM Dec 08, 2019Observed: 6.87 ft at 9:45AM Dec 08, 2019Observed: 6.87 ft at 10:00AM Dec 08, 2019Observed: 6.89 ft at 10:15AM Dec 08, 2019Observed: 6.85 ft at 10:30AM Dec 08, 2019Observed: 6.9 ft at 10:45AM Dec 08, 2019Observed: 6.89 ft at 11:00AM Dec 08, 2019Observed: 6.88 ft at 11:15AM Dec 08, 2019Observed: 6.89 ft at 11:30AM Dec 08, 2019Observed: 6.88 ft at 11:45AM Dec 08, 2019Observed: 6.88 ft at 12:00PM Dec 08, 2019Observed: 6.87 ft at 12:15PM Dec 08, 2019Observed: 6.86 ft at 12:30PM Dec 08, 2019Observed: 6.86 ft at 12:45PM Dec 08, 2019Observed: 6.88 ft at 1:00PM Dec 08, 2019Observed: 6.87 ft at 1:15PM Dec 08, 2019Observed: 6.84 ft at 1:30PM Dec 08, 2019Observed: 6.85 ft at 1:45PM Dec 08, 2019Observed: 6.82 ft at 2:00PM Dec 08, 2019Observed: 6.84 ft at 2:15PM Dec 08, 2019Observed: 6.84 ft at 2:30PM Dec 08, 2019Observed: 6.8 ft at 2:45PM Dec 08, 2019Observed: 6.8 ft at 2:46PM Dec 08, 2019Observed: 6.82 ft at 3:00PM Dec 08, 2019Observed: 6.82 ft at 3:01PM Dec 08, 2019Observed: 6.79 ft at 3:15PM Dec 08, 2019Observed: 6.79 ft at 3:16PM Dec 08, 2019Observed: 6.81 ft at 3:30PM Dec 08, 2019Observed: 6.79 ft at 3:45PM Dec 08, 2019Observed: 6.79 ft at 4:00PM Dec 08, 2019Observed: 6.8 ft at 4:15PM Dec 08, 2019Observed: 6.83 ft at 4:30PM Dec 08, 2019Observed: 6.82 ft at 5:00PM Dec 08, 2019Observed: 6.8 ft at 5:15PM Dec 08, 2019Observed: 6.8 ft at 5:30PM Dec 08, 2019Observed: 6.81 ft at 5:45PM Dec 08, 2019Observed: 6.79 ft at 6:00PM Dec 08, 2019Observed: 6.78 ft at 6:15PM Dec 08, 2019Observed: 6.82 ft at 6:30PM Dec 08, 2019Observed: 6.81 ft at 6:45PM Dec 08, 2019Observed: 6.8 ft at 7:00PM Dec 08, 2019Observed: 6.8 ft at 7:15PM Dec 08, 2019Observed: 6.83 ft at 7:30PM Dec 08, 2019Observed: 6.8 ft at 7:45PM Dec 08, 2019Observed: 6.78 ft at 8:00PM Dec 08, 2019Observed: 6.79 ft at 8:15PM Dec 08, 2019Observed: 6.79 ft at 8:30PM Dec 08, 2019Observed: 6.84 ft at 8:45PM Dec 08, 2019Observed: 6.81 ft at 9:00PM Dec 08, 2019Observed: 6.81 ft at 9:15PM Dec 08, 2019Observed: 6.85 ft at 9:30PM Dec 08, 2019Observed: 6.83 ft at 9:45PM Dec 08, 2019Observed: 6.83 ft at 10:00PM Dec 08, 2019Observed: 6.85 ft at 10:15PM Dec 08, 2019Observed: 6.82 ft at 10:30PM Dec 08, 2019Observed: 6.83 ft at 10:45PM Dec 08, 2019Observed: 6.84 ft at 11:00PM Dec 08, 2019Observed: 6.8 ft at 11:15PM Dec 08, 2019Observed: 6.8 ft at 11:30PM Dec 08, 2019Observed: 6.81 ft at 11:45PM Dec 08, 2019Observed: 6.84 ft at 12:00AM Dec 09, 2019Observed: 6.84 ft at 12:15AM Dec 09, 2019Observed: 6.82 ft at 12:30AM Dec 09, 2019Observed: 6.85 ft at 12:45AM Dec 09, 2019Observed: 6.86 ft at 1:00AM Dec 09, 2019Observed: 6.83 ft at 1:15AM Dec 09, 2019Observed: 6.81 ft at 1:30AM Dec 09, 2019Observed: 6.86 ft at 1:45AM Dec 09, 2019Observed: 6.84 ft at 2:00AM Dec 09, 2019Observed: 6.81 ft at 2:15AM Dec 09, 2019Observed: 6.85 ft at 2:30AM Dec 09, 2019Observed: 6.83 ft at 2:45AM Dec 09, 2019Observed: 6.83 ft at 3:00AM Dec 09, 2019Observed: 6.85 ft at 3:15AM Dec 09, 2019Observed: 6.85 ft at 3:30AM Dec 09, 2019Observed: 6.84 ft at 3:45AM Dec 09, 2019Observed: 6.84 ft at 4:00AM Dec 09, 2019Observed: 6.86 ft at 4:15AM Dec 09, 2019Observed: 6.85 ft at 4:30AM Dec 09, 2019Observed: 6.83 ft at 4:45AM Dec 09, 2019Observed: 6.81 ft at 5:00AM Dec 09, 2019Observed: 6.81 ft at 5:15AM Dec 09, 2019Observed: 6.81 ft at 5:30AM Dec 09, 2019Observed: 6.8 ft at 5:45AM Dec 09, 2019Observed: 6.81 ft at 6:00AM Dec 09, 2019Observed: 6.76 ft at 6:15AM Dec 09, 2019Observed: 6.79 ft at 6:30AM Dec 09, 2019Observed: 6.79 ft at 6:45AM Dec 09, 2019Observed: 6.79 ft at 6:46AM Dec 09, 2019Observed: 6.77 ft at 7:00AM Dec 09, 2019Observed: 6.77 ft at 7:01AM Dec 09, 2019Observed: 6.78 ft at 7:15AM Dec 09, 2019Observed: 6.78 ft at 7:16AM Dec 09, 2019Observed: 6.77 ft at 7:30AM Dec 09, 2019Observed: 6.76 ft at 7:45AM Dec 09, 2019Observed: 6.75 ft at 8:00AM Dec 09, 2019Observed: 6.76 ft at 8:15AM Dec 09, 2019Observed: 6.76 ft at 8:30AM Dec 09, 2019Observed: 6.76 ft at 8:45AM Dec 09, 2019Observed: 6.76 ft at 9:00AM Dec 09, 2019Observed: 6.76 ft at 9:15AM Dec 09, 2019Observed: 6.73 ft at 9:30AM Dec 09, 2019Observed: 6.75 ft at 9:45AM Dec 09, 2019Observed: 6.72 ft at 10:00AM Dec 09, 2019Observed: 6.69 ft at 10:15AM Dec 09, 2019Observed: 6.7 ft at 10:30AM Dec 09, 2019Observed: 6.7 ft at 10:45AM Dec 09, 2019Observed: 6.69 ft at 11:00AM Dec 09, 2019Observed: 6.69 ft at 11:15AM Dec 09, 2019Observed: 6.67 ft at 11:30AM Dec 09, 2019Observed: 6.67 ft at 11:45AM Dec 09, 2019Observed: 6.68 ft at 12:00PM Dec 09, 2019Observed: 6.66 ft at 12:15PM Dec 09, 2019Observed: 6.68 ft at 12:30PM Dec 09, 2019Observed: 6.65 ft at 12:45PM Dec 09, 2019Observed: 6.63 ft at 1:00PM Dec 09, 2019Observed: 6.65 ft at 1:15PM Dec 09, 2019Observed: 6.64 ft at 1:30PM Dec 09, 2019Observed: 6.62 ft at 1:45PM Dec 09, 2019Observed: 6.64 ft at 2:00PM Dec 09, 2019Observed: 6.6 ft at 2:15PM Dec 09, 2019Observed: 6.61 ft at 2:30PM Dec 09, 2019Observed: 6.62 ft at 2:45PM Dec 09, 2019Observed: 6.62 ft at 2:46PM Dec 09, 2019Observed: 6.61 ft at 3:00PM Dec 09, 2019Observed: 6.61 ft at 3:01PM Dec 09, 2019Observed: 6.57 ft at 3:15PM Dec 09, 2019Observed: 6.57 ft at 3:16PM Dec 09, 2019Observed: 6.59 ft at 3:30PM Dec 09, 2019Observed: 6.6 ft at 3:45PM Dec 09, 2019Observed: 6.62 ft at 4:00PM Dec 09, 2019Observed: 6.6 ft at 4:15PM Dec 09, 2019Observed: 6.59 ft at 4:30PM Dec 09, 2019Observed: 6.6 ft at 4:45PM Dec 09, 2019Observed: 6.62 ft at 5:00PM Dec 09, 2019Observed: 6.6 ft at 5:15PM Dec 09, 2019Observed: 6.61 ft at 5:30PM Dec 09, 2019Observed: 6.63 ft at 5:45PM Dec 09, 2019Observed: 6.63 ft at 6:00PM Dec 09, 2019Observed: 6.62 ft at 6:15PM Dec 09, 2019Observed: 6.64 ft at 6:30PM Dec 09, 2019Observed: 6.66 ft at 6:45PM Dec 09, 2019Observed: 6.63 ft at 7:00PM Dec 09, 2019Observed: 6.61 ft at 7:15PM Dec 09, 2019Observed: 6.61 ft at 7:30PM Dec 09, 2019Observed: 6.66 ft at 7:45PM Dec 09, 2019Observed: 6.64 ft at 8:00PM Dec 09, 2019Observed: 6.63 ft at 8:15PM Dec 09, 2019Observed: 6.63 ft at 8:30PM Dec 09, 2019Observed: 6.6 ft at 8:45PM Dec 09, 2019Observed: 6.6 ft at 9:00PM Dec 09, 2019Observed: 6.59 ft at 9:15PM Dec 09, 2019Observed: 6.62 ft at 9:30PM Dec 09, 2019Observed: 6.62 ft at 9:45PM Dec 09, 2019Observed: 6.63 ft at 10:00PM Dec 09, 2019Observed: 6.61 ft at 10:15PM Dec 09, 2019Observed: 6.62 ft at 10:30PM Dec 09, 2019Observed: 6.6 ft at 10:45PM Dec 09, 2019Observed: 6.6 ft at 10:46PM Dec 09, 2019Observed: 6.57 ft at 11:00PM Dec 09, 2019Observed: 6.57 ft at 11:01PM Dec 09, 2019Observed: 6.58 ft at 11:15PM Dec 09, 2019Observed: 6.58 ft at 11:16PM Dec 09, 2019Observed: 6.6 ft at 11:30PM Dec 09, 2019Observed: 6.57 ft at 11:45PM Dec 09, 2019Observed: 6.57 ft at 12:00AM Dec 10, 2019Observed: 6.56 ft at 12:15AM Dec 10, 2019Observed: 6.59 ft at 12:30AM Dec 10, 2019Observed: 6.54 ft at 12:45AM Dec 10, 2019Observed: 6.56 ft at 1:00AM Dec 10, 2019Observed: 6.53 ft at 1:15AM Dec 10, 2019Observed: 6.54 ft at 1:30AM Dec 10, 2019Observed: 6.55 ft at 1:45AM Dec 10, 2019Observed: 6.52 ft at 2:00AM Dec 10, 2019Observed: 6.52 ft at 2:15AM Dec 10, 2019Observed: 6.52 ft at 2:30AM Dec 10, 2019Observed: 6.5 ft at 2:45AM Dec 10, 2019Observed: 6.5 ft at 3:00AM Dec 10, 2019Observed: 6.46 ft at 3:15AM Dec 10, 2019Observed: 6.46 ft at 3:30AM Dec 10, 2019Observed: 6.44 ft at 3:45AM Dec 10, 2019Observed: 6.45 ft at 4:00AM Dec 10, 2019Observed: 6.47 ft at 4:15AM Dec 10, 2019Observed: 6.46 ft at 4:30AM Dec 10, 2019Observed: 6.45 ft at 4:45AM Dec 10, 2019Observed: 6.42 ft at 5:00AM Dec 10, 2019Observed: 6.45 ft at 5:15AM Dec 10, 2019Observed: 6.44 ft at 5:30AM Dec 10, 2019Observed: 6.4 ft at 5:45AM Dec 10, 2019Observed: 6.41 ft at 6:00AM Dec 10, 2019Observed: 6.41 ft at 6:15AM Dec 10, 2019Observed: 6.38 ft at 6:30AM Dec 10, 2019Observed: 6.42 ft at 6:45AM Dec 10, 2019Observed: 6.42 ft at 6:46AM Dec 10, 2019Observed: 6.43 ft at 7:00AM Dec 10, 2019Observed: 6.43 ft at 7:01AM Dec 10, 2019Observed: 6.39 ft at 7:15AM Dec 10, 2019Observed: 6.39 ft at 7:16AM Dec 10, 2019Observed: 6.4 ft at 7:30AM Dec 10, 2019Observed: 6.42 ft at 7:45AM Dec 10, 2019Observed: 6.41 ft at 8:00AM Dec 10, 2019Observed: 6.39 ft at 8:15AM Dec 10, 2019Observed: 6.41 ft at 8:30AM Dec 10, 2019Observed: 6.4 ft at 8:45AM Dec 10, 2019Observed: 6.42 ft at 9:00AM Dec 10, 2019Observed: 6.42 ft at 9:15AM Dec 10, 2019Observed: 6.39 ft at 9:30AM Dec 10, 2019Observed: 6.39 ft at 9:45AM Dec 10, 2019Observed: 6.39 ft at 10:00AM Dec 10, 2019Observed: 6.37 ft at 10:15AM Dec 10, 2019Observed: 6.38 ft at 10:30AM Dec 10, 2019Observed: 6.38 ft at 10:45AM Dec 10, 2019Observed: 6.34 ft at 11:00AM Dec 10, 2019Observed: 6.29 ft at 11:15AM Dec 10, 2019Observed: 6.3 ft at 11:30AM Dec 10, 2019Observed: 6.31 ft at 11:45AM Dec 10, 2019Observed: 6.29 ft at 12:00PM Dec 10, 2019Observed: 6.26 ft at 12:15PM Dec 10, 2019Observed: 6.23 ft at 12:30PM Dec 10, 2019Observed: 6.19 ft at 12:45PM Dec 10, 2019Observed: 6.21 ft at 1:00PM Dec 10, 2019Observed: 6.15 ft at 1:15PM Dec 10, 2019Observed: 6.19 ft at 1:30PM Dec 10, 2019Observed: 6.16 ft at 1:45PM Dec 10, 2019Observed: 6.11 ft at 2:00PM Dec 10, 2019Observed: 6.14 ft at 2:15PM Dec 10, 2019Observed: 6.11 ft at 2:30PM Dec 10, 2019Observed: 6.09 ft at 2:45PM Dec 10, 2019Observed: 6.09 ft at 3:00PM Dec 10, 2019Observed: 6.1 ft at 3:15PM Dec 10, 2019Observed: 6.09 ft at 3:30PM Dec 10, 2019Observed: 6.1 ft at 3:45PM Dec 10, 2019Observed: 6.1 ft at 4:00PM Dec 10, 2019Observed: 6.03 ft at 4:15PM Dec 10, 2019Observed: 6.09 ft at 4:30PM Dec 10, 2019Observed: 6.08 ft at 4:45PM Dec 10, 2019Observed: 6.09 ft at 5:00PM Dec 10, 2019Observed: 6.06 ft at 5:15PM Dec 10, 2019Observed: 6.1 ft at 5:30PM Dec 10, 2019Observed: 6.1 ft at 5:45PM Dec 10, 2019Observed: 6.12 ft at 6:00PM Dec 10, 2019Observed: 6.12 ft at 6:15PM Dec 10, 2019Observed: 6.14 ft at 6:30PM Dec 10, 2019Observed: 6.14 ft at 6:45PM Dec 10, 2019Observed: 6.14 ft at 7:00PM Dec 10, 2019Observed: 6.13 ft at 7:15PM Dec 10, 2019Observed: 6.13 ft at 7:30PM Dec 10, 2019Observed: 6.14 ft at 7:45PM Dec 10, 2019Observed: 6.14 ft at 8:00PM Dec 10, 2019Observed: 6.17 ft at 8:15PM Dec 10, 2019Observed: 6.17 ft at 8:30PM Dec 10, 2019Observed: 6.14 ft at 8:45PM Dec 10, 2019Observed: 6.2 ft at 9:00PM Dec 10, 2019Observed: 6.21 ft at 9:15PM Dec 10, 2019Observed: 6.2 ft at 9:30PM Dec 10, 2019Observed: 6.2 ft at 9:45PM Dec 10, 2019Observed: 6.18 ft at 10:00PM Dec 10, 2019Observed: 6.21 ft at 10:15PM Dec 10, 2019Observed: 6.17 ft at 10:30PM Dec 10, 2019Observed: 6.19 ft at 10:45PM Dec 10, 2019Observed: 6.19 ft at 10:46PM Dec 10, 2019Observed: 6.22 ft at 11:00PM Dec 10, 2019Observed: 6.22 ft at 11:01PM Dec 10, 2019Observed: 6.19 ft at 11:15PM Dec 10, 2019Observed: 6.19 ft at 11:16PM Dec 10, 2019Observed: 6.17 ft at 11:30PM Dec 10, 2019Observed: 6.17 ft at 11:45PM Dec 10, 2019Observed: 6.16 ft at 12:00AM Dec 11, 2019Observed: 6.16 ft at 12:15AM Dec 11, 2019Observed: 6.14 ft at 12:30AM Dec 11, 2019Observed: 6.16 ft at 12:45AM Dec 11, 2019Observed: 6.17 ft at 1:00AM Dec 11, 2019Observed: 6.13 ft at 1:15AM Dec 11, 2019Observed: 6.15 ft at 1:30AM Dec 11, 2019Observed: 6.15 ft at 1:45AM Dec 11, 2019Observed: 6.13 ft at 2:00AM Dec 11, 2019Observed: 6.16 ft at 2:15AM Dec 11, 2019Observed: 6.17 ft at 2:30AM Dec 11, 2019Observed: 6.15 ft at 2:45AM Dec 11, 2019Observed: 6.16 ft at 3:00AM Dec 11, 2019Observed: 6.15 ft at 3:15AM Dec 11, 2019Observed: 6.17 ft at 3:30AM Dec 11, 2019Observed: 6.18 ft at 3:45AM Dec 11, 2019Observed: 6.2 ft at 4:00AM Dec 11, 2019Observed: 6.17 ft at 4:15AM Dec 11, 2019Observed: 6.16 ft at 4:30AM Dec 11, 2019Observed: 6.16 ft at 4:45AM Dec 11, 2019Observed: 6.2 ft at 5:00AM Dec 11, 2019Observed: 6.17 ft at 5:15AM Dec 11, 2019Observed: 6.22 ft at 5:30AM Dec 11, 2019Observed: 6.21 ft at 5:45AM Dec 11, 2019Observed: 6.19 ft at 6:00AM Dec 11, 2019Observed: 6.2 ft at 6:15AM Dec 11, 2019Observed: 6.19 ft at 6:30AM Dec 11, 2019Observed: 6.17 ft at 6:45AM Dec 11, 2019Observed: 6.21 ft at 7:00AM Dec 11, 2019Observed: 6.2 ft at 7:15AM Dec 11, 2019Observed: 6.18 ft at 7:30AM Dec 11, 2019Observed: 6.14 ft at 7:45AM Dec 11, 2019Observed: 6.17 ft at 8:00AM Dec 11, 2019Observed: 6.12 ft at 8:15AM Dec 11, 2019Observed: 6.13 ft at 8:30AM Dec 11, 2019Observed: 6.1 ft at 8:45AM Dec 11, 2019Observed: 6.11 ft at 9:00AM Dec 11, 2019Observed: 6.13 ft at 9:15AM Dec 11, 2019Observed: 6.13 ft at 9:30AM Dec 11, 2019Observed: 6.13 ft at 9:45AM Dec 11, 2019Observed: 6.1 ft at 10:00AM Dec 11, 2019Observed: 6.11 ft at 10:15AM Dec 11, 2019Observed: 6.11 ft at 10:30AM Dec 11, 2019Observed: 6.08 ft at 10:45AM Dec 11, 2019Observed: 6.1 ft at 11:00AM Dec 11, 2019Observed: 6.09 ft at 11:15AM Dec 11, 2019Observed: 6.1 ft at 11:30AM Dec 11, 2019Observed: 6.12 ft at 11:45AM Dec 11, 2019Observed: 6.11 ft at 12:00PM Dec 11, 2019Observed: 6.13 ft at 12:15PM Dec 11, 2019Observed: 6.14 ft at 12:30PM Dec 11, 2019Observed: 6.14 ft at 12:45PM Dec 11, 2019Observed: 6.16 ft at 1:00PM Dec 11, 2019Observed: 6.17 ft at 1:15PM Dec 11, 2019Observed: 6.18 ft at 1:30PM Dec 11, 2019Observed: 6.19 ft at 1:45PM Dec 11, 2019Observed: 6.17 ft at 2:00PM Dec 11, 2019Observed: 6.21 ft at 2:15PM Dec 11, 2019Observed: 6.18 ft at 2:30PM Dec 11, 2019Observed: 6.22 ft at 2:45PM Dec 11, 2019Observed: 6.24 ft at 3:00PM Dec 11, 2019Observed: 6.24 ft at 3:01PM Dec 11, 2019Observed: 6.25 ft at 3:15PM Dec 11, 2019Observed: 6.25 ft at 3:16PM Dec 11, 2019Observed: 6.26 ft at 3:30PM Dec 11, 2019Observed: 6.26 ft at 3:31PM Dec 11, 2019Observed: 6.28 ft at 3:45PM Dec 11, 2019Observed: 6.34 ft at 4:00PM Dec 11, 2019Observed: 6.36 ft at 4:15PM Dec 11, 2019Observed: 6.36 ft at 4:30PM Dec 11, 2019Observed: 6.4 ft at 4:45PM Dec 11, 2019Observed: 6.44 ft at 5:00PM Dec 11, 2019Observed: 6.48 ft at 5:15PM Dec 11, 2019Observed: 6.5 ft at 5:30PM Dec 11, 2019Observed: 6.55 ft at 5:45PM Dec 11, 2019Observed: 6.61 ft at 6:00PM Dec 11, 2019Observed: 6.63 ft at 6:15PM Dec 11, 2019Observed: 6.69 ft at 6:30PM Dec 11, 2019Observed: 6.71 ft at 6:45PM Dec 11, 2019Observed: 6.75 ft at 7:00PM Dec 11, 2019Observed: 6.76 ft at 7:15PM Dec 11, 2019Observed: 6.8 ft at 7:30PM Dec 11, 2019Observed: 6.79 ft at 7:45PM Dec 11, 2019Observed: 6.82 ft at 8:00PM Dec 11, 2019Observed: 6.85 ft at 8:15PM Dec 11, 2019Observed: 6.89 ft at 8:30PM Dec 11, 2019Observed: 6.94 ft at 8:45PM Dec 11, 2019Observed: 6.97 ft at 9:00PM Dec 11, 2019Observed: 7.02 ft at 9:15PM Dec 11, 2019Observed: 7.04 ft at 9:30PM Dec 11, 2019Observed: 7.08 ft at 9:45PM Dec 11, 2019Observed: 7.12 ft at 10:00PM Dec 11, 2019Observed: 7.15 ft at 10:15PM Dec 11, 2019Observed: 7.16 ft at 10:30PM Dec 11, 2019Observed: 7.19 ft at 10:45PM Dec 11, 2019Observed: 7.22 ft at 11:00PM Dec 11, 2019Observed: 7.22 ft at 11:01PM Dec 11, 2019Observed: 7.26 ft at 11:15PM Dec 11, 2019Observed: 7.26 ft at 11:16PM Dec 11, 2019Observed: 7.29 ft at 11:30PM Dec 11, 2019Observed: 7.29 ft at 11:31PM Dec 11, 2019Observed: 7.32 ft at 11:45PM Dec 11, 2019Observed: 7.36 ft at 12:00AM Dec 12, 2019Observed: 7.39 ft at 12:15AM Dec 12, 2019Observed: 7.43 ft at 12:30AM Dec 12, 2019Observed: 7.46 ft at 12:45AM Dec 12, 2019Observed: 7.49 ft at 1:00AM Dec 12, 2019Observed: 7.54 ft at 1:15AM Dec 12, 2019Observed: 7.58 ft at 1:30AM Dec 12, 2019Observed: 7.61 ft at 1:45AM Dec 12, 2019Observed: 7.62 ft at 2:00AM Dec 12, 2019Observed: 7.62 ft at 2:15AM Dec 12, 2019Observed: 7.69 ft at 2:30AM Dec 12, 2019Observed: 7.7 ft at 2:45AM Dec 12, 2019Observed: 7.75 ft at 3:00AM Dec 12, 2019Observed: 7.76 ft at 3:15AM Dec 12, 2019Observed: 7.81 ft at 3:30AM Dec 12, 2019Observed: 7.86 ft at 3:45AM Dec 12, 2019Observed: 7.83 ft at 4:00AM Dec 12, 2019Observed: 7.88 ft at 4:15AM Dec 12, 2019Observed: 7.88 ft at 4:30AM Dec 12, 2019Observed: 7.94 ft at 4:45AM Dec 12, 2019Observed: 7.95 ft at 5:00AM Dec 12, 2019Observed: 7.98 ft at 5:15AM Dec 12, 2019Observed: 8.01 ft at 5:30AM Dec 12, 2019Observed: 7.98 ft at 5:45AM Dec 12, 2019Observed: 8.06 ft at 6:00AM Dec 12, 2019Observed: 8.06 ft at 6:15AM Dec 12, 2019Observed: 8.04 ft at 6:30AM Dec 12, 2019Observed: 8.11 ft at 6:45AM Dec 12, 2019Observed: 8.14 ft at 7:00AM Dec 12, 2019Observed: 8.14 ft at 7:01AM Dec 12, 2019Observed: 8.17 ft at 7:15AM Dec 12, 2019Observed: 8.17 ft at 7:16AM Dec 12, 2019Observed: 8.18 ft at 7:30AM Dec 12, 2019Observed: 8.18 ft at 7:31AM Dec 12, 2019Observed: 8.2 ft at 7:45AM Dec 12, 2019Observed: 8.22 ft at 8:00AM Dec 12, 2019Observed: 8.21 ft at 8:15AM Dec 12, 2019Observed: 8.26 ft at 8:30AM Dec 12, 2019Observed: 8.28 ft at 8:45AM Dec 12, 2019Observed: 8.27 ft at 9:00AM Dec 12, 2019Observed: 8.24 ft at 9:15AM Dec 12, 2019Observed: 8.29 ft at 9:30AM Dec 12, 2019Observed: 8.29 ft at 9:45AM Dec 12, 2019Observed: 8.3 ft at 10:00AM Dec 12, 2019Observed: 8.34 ft at 10:15AM Dec 12, 2019Observed: 8.35 ft at 10:30AM Dec 12, 2019Observed: 8.38 ft at 10:45AM Dec 12, 2019Observed: 8.39 ft at 11:00AM Dec 12, 2019Observed: 8.38 ft at 11:15AM Dec 12, 2019Observed: 8.44 ft at 11:30AM Dec 12, 2019Observed: 8.46 ft at 11:45AM Dec 12, 2019Observed: 8.43 ft at 12:00PM Dec 12, 2019Observed: 8.46 ft at 12:15PM Dec 12, 2019Observed: 8.47 ft at 12:30PM Dec 12, 2019Observed: 8.48 ft at 12:45PM Dec 12, 2019Observed: 8.5 ft at 1:00PM Dec 12, 2019Observed: 8.55 ft at 1:15PM Dec 12, 2019Observed: 8.56 ft at 1:30PM Dec 12, 2019Observed: 8.57 ft at 1:45PM Dec 12, 2019Observed: 8.54 ft at 2:00PM Dec 12, 2019Observed: 8.57 ft at 2:15PM Dec 12, 2019Observed: 8.55 ft at 2:30PM Dec 12, 2019Observed: 8.61 ft at 2:45PM Dec 12, 2019Observed: 8.64 ft at 3:00PM Dec 12, 2019Observed: 8.64 ft at 3:01PM Dec 12, 2019Observed: 8.62 ft at 3:15PM Dec 12, 2019Observed: 8.62 ft at 3:16PM Dec 12, 2019Observed: 8.63 ft at 3:30PM Dec 12, 2019Observed: 8.63 ft at 3:31PM Dec 12, 2019Observed: 8.68 ft at 3:45PM Dec 12, 2019Observed: 8.68 ft at 4:00PM Dec 12, 2019Observed: 8.66 ft at 4:15PM Dec 12, 2019Observed: 8.69 ft at 4:30PM Dec 12, 2019Observed: 8.7 ft at 4:45PM Dec 12, 2019Observed: 8.7 ft at 5:00PM Dec 12, 2019Observed: 8.75 ft at 5:15PM Dec 12, 2019Observed: 8.72 ft at 5:30PM Dec 12, 2019Observed: 8.76 ft at 5:45PM Dec 12, 2019Observed: 8.76 ft at 6:00PM Dec 12, 2019Observed: 8.78 ft at 6:15PM Dec 12, 2019Observed: 8.78 ft at 6:30PM Dec 12, 2019Observed: 8.77 ft at 6:45PM Dec 12, 2019Observed: 8.8 ft at 7:00PM Dec 12, 2019Observed: 8.84 ft at 7:15PM Dec 12, 2019Observed: 8.82 ft at 7:30PM Dec 12, 2019Observed: 8.84 ft at 7:45PM Dec 12, 2019Observed: 8.82 ft at 8:00PM Dec 12, 2019Observed: 8.85 ft at 8:15PM Dec 12, 2019Observed: 8.85 ft at 8:30PM Dec 12, 2019Observed: 8.87 ft at 8:45PM Dec 12, 2019Observed: 8.87 ft at 9:00PM Dec 12, 2019Observed: 8.9 ft at 9:15PM Dec 12, 2019Observed: 8.85 ft at 9:30PM Dec 12, 2019Observed: 8.89 ft at 9:45PM Dec 12, 2019Observed: 8.9 ft at 10:00PM Dec 12, 2019Observed: 8.91 ft at 10:15PM Dec 12, 2019Observed: 8.91 ft at 10:30PM Dec 12, 2019Observed: 8.91 ft at 10:45PM Dec 12, 2019Observed: 8.88 ft at 11:00PM Dec 12, 2019Observed: 8.88 ft at 11:01PM Dec 12, 2019Observed: 8.88 ft at 11:15PM Dec 12, 2019Observed: 8.88 ft at 11:16PM Dec 12, 2019Observed: 8.9 ft at 11:30PM Dec 12, 2019Observed: 8.9 ft at 11:31PM Dec 12, 2019Observed: 8.89 ft at 11:45PM Dec 12, 2019Observed: 8.88 ft at 12:00AM Dec 13, 2019Observed: 8.91 ft at 12:15AM Dec 13, 2019Observed: 8.9 ft at 12:30AM Dec 13, 2019Observed: 8.93 ft at 12:45AM Dec 13, 2019Observed: 8.91 ft at 1:00AM Dec 13, 2019Observed: 8.9 ft at 1:15AM Dec 13, 2019Observed: 8.89 ft at 1:30AM Dec 13, 2019Observed: 8.91 ft at 1:45AM Dec 13, 2019Observed: 8.93 ft at 2:00AM Dec 13, 2019Observed: 8.92 ft at 2:15AM Dec 13, 2019Observed: 8.91 ft at 2:30AM Dec 13, 2019Observed: 8.92 ft at 2:45AM Dec 13, 2019Observed: 8.92 ft at 3:00AM Dec 13, 2019Observed: 8.93 ft at 3:15AM Dec 13, 2019Observed: 8.9 ft at 3:30AM Dec 13, 2019Observed: 8.94 ft at 3:45AM Dec 13, 2019Observed: 8.92 ft at 4:00AM Dec 13, 2019Observed: 8.93 ft at 4:15AM Dec 13, 2019Observed: 8.9 ft at 4:30AM Dec 13, 2019Observed: 8.89 ft at 4:45AM Dec 13, 2019Observed: 8.91 ft at 5:00AM Dec 13, 2019Observed: 8.93 ft at 5:15AM Dec 13, 2019Observed: 8.94 ft at 5:30AM Dec 13, 2019Observed: 8.88 ft at 5:45AM Dec 13, 2019Observed: 8.91 ft at 6:00AM Dec 13, 2019Observed: 8.92 ft at 6:15AM Dec 13, 2019Observed: 8.9 ft at 6:30AM Dec 13, 2019Observed: 8.89 ft at 6:45AM Dec 13, 2019Observed: 8.91 ft at 7:00AM Dec 13, 2019Observed: 8.89 ft at 7:15AM Dec 13, 2019Observed: 8.94 ft at 7:30AM Dec 13, 2019Observed: 8.92 ft at 7:45AM Dec 13, 2019Observed: 8.9 ft at 8:00AM Dec 13, 2019Observed: 8.92 ft at 8:15AM Dec 13, 2019Observed: 8.9 ft at 8:30AM Dec 13, 2019Observed: 8.92 ft at 8:45AM Dec 13, 2019Observed: 8.92 ft at 9:00AM Dec 13, 2019Observed: 8.93 ft at 9:15AM Dec 13, 2019Observed: 8.93 ft at 9:30AM Dec 13, 2019Observed: 8.91 ft at 9:45AM Dec 13, 2019Observed: 8.93 ft at 10:00AM Dec 13, 2019Observed: 8.93 ft at 10:15AM Dec 13, 2019Observed: 8.92 ft at 10:30AM Dec 13, 2019Observed: 8.89 ft at 10:45AM Dec 13, 2019Observed: 8.88 ft at 11:00AM Dec 13, 2019Observed: 8.93 ft at 11:15AM Dec 13, 2019Observed: 8.9 ft at 11:30AM Dec 13, 2019Observed: 8.9 ft at 11:45AM Dec 13, 2019Observed: 8.9 ft at 12:00PM Dec 13, 2019Observed: 8.91 ft at 12:15PM Dec 13, 2019Observed: 8.9 ft at 12:30PM Dec 13, 2019Observed: 8.92 ft at 12:45PM Dec 13, 2019Observed: 8.94 ft at 1:00PM Dec 13, 2019Observed: 8.92 ft at 1:15PM Dec 13, 2019Observed: 8.92 ft at 1:30PM Dec 13, 2019Observed: 8.93 ft at 1:45PM Dec 13, 2019Observed: 8.93 ft at 2:00PM Dec 13, 2019Observed: 8.91 ft at 2:15PM Dec 13, 2019Observed: 8.94 ft at 2:30PM Dec 13, 2019Observed: 8.93 ft at 2:45PM Dec 13, 2019Observed: 8.94 ft at 3:00PM Dec 13, 2019Observed: 8.91 ft at 3:15PM Dec 13, 2019Observed: 8.93 ft at 3:30PM Dec 13, 2019Observed: 8.94 ft at 3:45PM Dec 13, 2019Observed: 8.97 ft at 4:00PM Dec 13, 2019Observed: 8.94 ft at 4:15PM Dec 13, 2019Observed: 8.94 ft at 4:30PM Dec 13, 2019Observed: 8.94 ft at 4:45PM Dec 13, 2019Observed: 8.96 ft at 5:00PM Dec 13, 2019Observed: 8.97 ft at 5:15PM Dec 13, 2019Observed: 8.95 ft at 5:30PM Dec 13, 2019Observed: 8.99 ft at 5:45PM Dec 13, 2019Observed: 8.94 ft at 6:00PM Dec 13, 2019Observed: 8.95 ft at 6:15PM Dec 13, 2019Observed: 8.95 ft at 6:30PM Dec 13, 2019Observed: 9 ft at 6:45PM Dec 13, 2019Observed: 9 ft at 7:00PM Dec 13, 2019Observed: 8.97 ft at 7:15PM Dec 13, 2019Observed: 8.97 ft at 7:30PM Dec 13, 2019Observed: 8.98 ft at 7:45PM Dec 13, 2019Observed: 9.02 ft at 8:00PM Dec 13, 2019Observed: 8.96 ft at 8:15PM Dec 13, 2019Observed: 9 ft at 8:30PM Dec 13, 2019Observed: 8.97 ft at 8:45PM Dec 13, 2019Observed: 9.01 ft at 9:00PM Dec 13, 2019Observed: 8.99 ft at 9:15PM Dec 13, 2019Observed: 9 ft at 9:30PM Dec 13, 2019Observed: 9.01 ft at 9:45PM Dec 13, 2019Observed: 8.99 ft at 10:00PM Dec 13, 2019Observed: 8.97 ft at 10:15PM Dec 13, 2019Observed: 8.99 ft at 10:30PM Dec 13, 2019Observed: 8.97 ft at 10:45PM Dec 13, 2019Observed: 8.99 ft at 11:00PM Dec 13, 2019Observed: 8.99 ft at 11:01PM Dec 13, 2019Observed: 8.95 ft at 11:15PM Dec 13, 2019Observed: 8.95 ft at 11:16PM Dec 13, 2019Observed: 8.96 ft at 11:30PM Dec 13, 2019Observed: 8.96 ft at 11:31PM Dec 13, 2019Observed: 8.96 ft at 11:45PM Dec 13, 2019Observed: 8.98 ft at 12:00AM Dec 14, 2019Observed: 9.02 ft at 12:15AM Dec 14, 2019Observed: 8.97 ft at 12:30AM Dec 14, 2019Observed: 8.99 ft at 12:45AM Dec 14, 2019Observed: 9 ft at 1:00AM Dec 14, 2019Observed: 8.97 ft at 1:15AM Dec 14, 2019Observed: 8.98 ft at 1:30AM Dec 14, 2019Observed: 9 ft at 1:45AM Dec 14, 2019Observed: 8.97 ft at 2:00AM Dec 14, 2019Observed: 9.01 ft at 2:15AM Dec 14, 2019Observed: 8.97 ft at 2:30AM Dec 14, 2019Observed: 8.99 ft at 2:45AM Dec 14, 2019Observed: 9.08 ft at 3:00AM Dec 14, 2019Observed: 8.99 ft at 3:15AM Dec 14, 2019Observed: 9.06 ft at 3:30AM Dec 14, 2019Observed: 8.92 ft at 3:45AM Dec 14, 2019Observed: 9.03 ft at 4:00AM Dec 14, 2019Highest Observation: 9.17 ft at 4:15AM Dec 14, 2019Observed: 9.01 ft at 4:30AM Dec 14, 2019Observed: 9.09 ft at 4:45AM Dec 14, 2019Highest Forecast: 8.9 ft 6:00AM Dec 14, 2019Highest Forecast: 8.9 ft 12:00PM Dec 14, 2019Highest Forecast: 8.9 ft 6:00PM Dec 14, 2019Highest Forecast: 8.9 ft 12:00AM Dec 15, 2019Highest Forecast: 8.9 ft 6:00AM Dec 15, 2019Highest Forecast: 8.9 ft 12:00PM Dec 15, 2019Highest Forecast: 8.9 ft 6:00PM Dec 15, 2019Highest Forecast: 8.9 ft 12:00AM Dec 16, 2019Highest Forecast: 8.9 ft 6:00AM Dec 16, 2019Highest Forecast: 8.9 ft 12:00PM Dec 16, 2019Highest Forecast: 8.9 ft 6:00PM Dec 16, 2019Highest Forecast: 8.9 ft 12:00AM Dec 17, 2019Highest Forecast: 8.9 ft 6:00AM Dec 17, 2019Highest Forecast: 8.9 ft 12:00PM Dec 17, 2019Highest Forecast: 8.9 ft 6:00PM Dec 17, 2019Highest Forecast: 8.9 ft 12:00AM Dec 18, 2019Highest Forecast: 8.9 ft 6:00AM Dec 18, 2019Highest Forecast: 8.9 ft 12:00PM Dec 18, 2019Highest Forecast: 8.9 ft 6:00PM Dec 18, 2019USGS--Water Resources of the United StatesBRKS2(plotting HGIRG) Graph Created (5:19AM Dec 14, 2019)ObservedForecast (issued 8:19PM Dec 13)Latest observed value: 9.09 ft at 4:45 AM CST 14-Dec-2019. Flood Stage is 9 ft
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Tabular Data (UTC)
Tabular Data (CST)
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 near Brookings are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - near Medary Upstream Gauge Downstream Gauge Downstream Gauge - above Flandreau
Flood Categories (in feet)
Major Flood Stage: 12
Moderate Flood Stage: 10.5
Flood Stage: 9
Action Stage: 8
Low Stage (in feet): -9999

Historic Crests
(1) 14.77 ft on 04/09/1969
(2) 13.70 ft on 06/22/1984
(3) 13.66 ft on 09/25/2010
(4) 13.50 ft on 07/04/1993
(5) 13.33 ft on 03/24/2011
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 13.11 ft on 03/22/2019 (P)
(2) 12.30 ft on 04/24/2018
(3) 7.40 ft on 05/25/2017
(4) 5.53 ft on 06/19/2016
(5) 6.54 ft on 08/22/2015
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
16 The bridges on 473rd Avenue and 475th Avenue are overtopped.
14 The water reaches the bottom of the bridges on 473rd Avenue and 475th Avenue.
13 The bridge 1 mile south of Medary on 471st Avenue is overtopped.
12 475th Avenue and 222nd Street being to flood.
11.7 473rd Avenue at 221st Street begins to flood.
11 Some farm outbuildings begin to flood.
10.3 473rd Avenue north of the gauge begins to flood.
10 Flooding begins to affect agricultural lands along the right bank of the river.
9 Significant amounts of pasture and farm lands begin flooding on the left bank of the river. The road south of the Brookings water treatment plant is flooded, as is 217th Street between 468th and 469th Avenues.
8 There is some minor overflow of the lowest banks along this stretch of the river.
Photos
(1) Upstream View
(2) Downstream View
About This Location Collapse

Latitude: 44.180278° N, Longitude: 96.749167° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 9 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 1551.91 ft 1560.91 ft  

Current/Historical Observations:
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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
Sioux Falls Weather Forecast Office
26 Weather Lane
Sioux Falls, SD 57104-0198
(605) 330-4247
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