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Hydrograph River at a Glance Download
Split Rock Creek at Corson Stage (ft)Flow (cfs)Observed: 2.77 ft at 2:30AM Aug 16, 2019Observed: 2.77 ft at 2:45AM Aug 16, 2019Observed: 2.77 ft at 3:00AM Aug 16, 2019Observed: 2.77 ft at 3:15AM Aug 16, 2019Observed: 2.77 ft at 3:30AM Aug 16, 2019Observed: 2.77 ft at 3:45AM Aug 16, 2019Observed: 2.77 ft at 4:00AM Aug 16, 2019Observed: 2.77 ft at 4:15AM Aug 16, 2019Observed: 2.77 ft at 4:30AM Aug 16, 2019Observed: 2.77 ft at 4:45AM Aug 16, 2019Observed: 2.78 ft at 5:00AM Aug 16, 2019Observed: 2.78 ft at 5:15AM Aug 16, 2019Observed: 2.78 ft at 5:30AM Aug 16, 2019Observed: 2.78 ft at 5:45AM Aug 16, 2019Observed: 2.78 ft at 6:00AM Aug 16, 2019Observed: 2.79 ft at 6:15AM Aug 16, 2019Observed: 2.79 ft at 6:30AM Aug 16, 2019Observed: 2.79 ft at 6:45AM Aug 16, 2019Observed: 2.79 ft at 7:00AM Aug 16, 2019Observed: 2.79 ft at 7:15AM Aug 16, 2019Observed: 2.79 ft at 7:30AM Aug 16, 2019Observed: 2.79 ft at 7:45AM Aug 16, 2019Observed: 2.79 ft at 8:00AM Aug 16, 2019Observed: 2.79 ft at 8:15AM Aug 16, 2019Observed: 2.79 ft at 8:30AM Aug 16, 2019Observed: 2.79 ft at 8:45AM Aug 16, 2019Observed: 2.79 ft at 9:00AM Aug 16, 2019Observed: 2.79 ft at 9:15AM Aug 16, 2019Observed: 2.79 ft at 9:30AM Aug 16, 2019Observed: 2.79 ft at 9:45AM Aug 16, 2019Observed: 2.79 ft at 10:00AM Aug 16, 2019Observed: 2.8 ft at 10:15AM Aug 16, 2019Observed: 2.8 ft at 10:30AM Aug 16, 2019Observed: 2.8 ft at 10:45AM Aug 16, 2019Observed: 2.8 ft at 11:00AM Aug 16, 2019Observed: 2.8 ft at 11:15AM Aug 16, 2019Observed: 2.8 ft at 11:30AM Aug 16, 2019Observed: 2.8 ft at 11:45AM Aug 16, 2019Observed: 2.8 ft at 12:00PM Aug 16, 2019Observed: 2.8 ft at 12:01PM Aug 16, 2019Observed: 2.8 ft at 12:15PM Aug 16, 2019Observed: 2.8 ft at 12:16PM Aug 16, 2019Observed: 2.8 ft at 12:30PM Aug 16, 2019Observed: 2.8 ft at 12:31PM Aug 16, 2019Observed: 2.8 ft at 12:45PM Aug 16, 2019Observed: 2.79 ft at 2:00PM Aug 16, 2019Observed: 2.79 ft at 2:15PM Aug 16, 2019Observed: 2.79 ft at 2:30PM Aug 16, 2019Observed: 2.79 ft at 2:45PM Aug 16, 2019Observed: 2.79 ft at 3:00PM Aug 16, 2019Observed: 2.79 ft at 3:15PM Aug 16, 2019Observed: 2.79 ft at 3:30PM Aug 16, 2019Observed: 2.79 ft at 3:45PM Aug 16, 2019Observed: 2.78 ft at 4:00PM Aug 16, 2019Observed: 2.78 ft at 4:15PM Aug 16, 2019Observed: 2.78 ft at 4:30PM Aug 16, 2019Observed: 2.78 ft at 4:45PM Aug 16, 2019Observed: 2.78 ft at 5:00PM Aug 16, 2019Observed: 2.78 ft at 5:15PM Aug 16, 2019Observed: 2.77 ft at 5:30PM Aug 16, 2019Observed: 2.77 ft at 5:45PM Aug 16, 2019Observed: 2.77 ft at 6:00PM Aug 16, 2019Observed: 2.77 ft at 6:15PM Aug 16, 2019Observed: 2.76 ft at 6:30PM Aug 16, 2019Observed: 2.76 ft at 6:45PM Aug 16, 2019Observed: 2.76 ft at 7:00PM Aug 16, 2019Observed: 2.76 ft at 7:15PM Aug 16, 2019Observed: 2.76 ft at 7:30PM Aug 16, 2019Observed: 2.76 ft at 7:45PM Aug 16, 2019Observed: 2.75 ft at 8:00PM Aug 16, 2019Observed: 2.75 ft at 8:15PM Aug 16, 2019Observed: 2.74 ft at 8:30PM Aug 16, 2019Observed: 2.74 ft at 8:45PM Aug 16, 2019Observed: 2.73 ft at 9:00PM Aug 16, 2019Observed: 2.73 ft at 9:15PM Aug 16, 2019Observed: 2.72 ft at 9:30PM Aug 16, 2019Observed: 2.72 ft at 9:45PM Aug 16, 2019Observed: 2.72 ft at 10:00PM Aug 16, 2019Observed: 2.71 ft at 10:15PM Aug 16, 2019Observed: 2.71 ft at 10:30PM Aug 16, 2019Observed: 2.71 ft at 10:45PM Aug 16, 2019Observed: 2.71 ft at 11:00PM Aug 16, 2019Observed: 2.7 ft at 11:15PM Aug 16, 2019Observed: 2.7 ft at 11:30PM Aug 16, 2019Observed: 2.7 ft at 11:45PM Aug 16, 2019Observed: 2.7 ft at 12:00AM Aug 17, 2019Observed: 2.69 ft at 12:15AM Aug 17, 2019Observed: 2.69 ft at 12:30AM Aug 17, 2019Observed: 2.69 ft at 12:45AM Aug 17, 2019Observed: 2.69 ft at 1:00AM Aug 17, 2019Observed: 2.69 ft at 1:15AM Aug 17, 2019Observed: 2.68 ft at 1:30AM Aug 17, 2019Observed: 2.68 ft at 1:45AM Aug 17, 2019Observed: 2.68 ft at 2:00AM Aug 17, 2019Observed: 2.68 ft at 2:15AM Aug 17, 2019Observed: 2.68 ft at 2:30AM Aug 17, 2019Observed: 2.68 ft at 2:45AM Aug 17, 2019Observed: 2.68 ft at 3:00AM Aug 17, 2019Observed: 2.67 ft at 3:15AM Aug 17, 2019Observed: 2.67 ft at 3:30AM Aug 17, 2019Observed: 2.67 ft at 3:45AM Aug 17, 2019Observed: 2.67 ft at 4:00AM Aug 17, 2019Observed: 2.67 ft at 4:15AM Aug 17, 2019Observed: 2.67 ft at 4:30AM Aug 17, 2019Observed: 2.66 ft at 4:45AM Aug 17, 2019Observed: 2.66 ft at 5:00AM Aug 17, 2019Observed: 2.66 ft at 5:15AM Aug 17, 2019Observed: 2.66 ft at 6:00AM Aug 17, 2019Observed: 2.66 ft at 6:15AM Aug 17, 2019Observed: 2.66 ft at 6:30AM Aug 17, 2019Observed: 2.66 ft at 6:45AM Aug 17, 2019Observed: 2.66 ft at 7:00AM Aug 17, 2019Observed: 2.66 ft at 7:15AM Aug 17, 2019Observed: 2.66 ft at 7:30AM Aug 17, 2019Observed: 2.66 ft at 7:45AM Aug 17, 2019Observed: 2.66 ft at 8:00AM Aug 17, 2019Observed: 2.66 ft at 8:15AM Aug 17, 2019Observed: 2.66 ft at 8:30AM Aug 17, 2019Observed: 2.66 ft at 8:45AM Aug 17, 2019Observed: 2.66 ft at 9:00AM Aug 17, 2019Observed: 2.67 ft at 9:15AM Aug 17, 2019Observed: 2.66 ft at 9:30AM Aug 17, 2019Observed: 2.67 ft at 9:45AM Aug 17, 2019Observed: 2.67 ft at 10:00AM Aug 17, 2019Observed: 2.67 ft at 10:15AM Aug 17, 2019Observed: 2.66 ft at 10:30AM Aug 17, 2019Observed: 2.67 ft at 10:45AM Aug 17, 2019Observed: 2.67 ft at 11:00AM Aug 17, 2019Observed: 2.67 ft at 11:15AM Aug 17, 2019Observed: 2.67 ft at 11:30AM Aug 17, 2019Observed: 2.67 ft at 11:45AM Aug 17, 2019Observed: 2.67 ft at 12:00PM Aug 17, 2019Observed: 2.67 ft at 12:30PM Aug 17, 2019Observed: 2.67 ft at 12:45PM Aug 17, 2019Observed: 2.67 ft at 1:00PM Aug 17, 2019Observed: 2.67 ft at 1:15PM Aug 17, 2019Observed: 2.67 ft at 1:30PM Aug 17, 2019Observed: 2.66 ft at 1:45PM Aug 17, 2019Observed: 2.66 ft at 2:00PM Aug 17, 2019Observed: 2.66 ft at 2:15PM Aug 17, 2019Observed: 2.66 ft at 2:30PM Aug 17, 2019Observed: 2.66 ft at 2:45PM Aug 17, 2019Observed: 2.66 ft at 3:00PM Aug 17, 2019Observed: 2.66 ft at 3:15PM Aug 17, 2019Observed: 2.66 ft at 3:30PM Aug 17, 2019Observed: 2.65 ft at 3:45PM Aug 17, 2019Observed: 2.65 ft at 4:00PM Aug 17, 2019Observed: 2.65 ft at 4:15PM Aug 17, 2019Observed: 2.65 ft at 4:30PM Aug 17, 2019Observed: 2.65 ft at 4:45PM Aug 17, 2019Observed: 2.65 ft at 5:00PM Aug 17, 2019Observed: 2.65 ft at 5:15PM Aug 17, 2019Observed: 2.64 ft at 5:30PM Aug 17, 2019Observed: 2.64 ft at 5:45PM Aug 17, 2019Observed: 2.64 ft at 6:00PM Aug 17, 2019Observed: 2.64 ft at 6:15PM Aug 17, 2019Observed: 2.64 ft at 6:30PM Aug 17, 2019Observed: 2.64 ft at 6:45PM Aug 17, 2019Observed: 2.64 ft at 7:00PM Aug 17, 2019Observed: 2.64 ft at 7:15PM Aug 17, 2019Observed: 2.64 ft at 7:30PM Aug 17, 2019Observed: 2.64 ft at 7:45PM Aug 17, 2019Observed: 2.64 ft at 8:00PM Aug 17, 2019Observed: 2.64 ft at 8:01PM Aug 17, 2019Observed: 2.63 ft at 8:15PM Aug 17, 2019Observed: 2.63 ft at 8:16PM Aug 17, 2019Observed: 2.63 ft at 8:30PM Aug 17, 2019Observed: 2.63 ft at 8:31PM Aug 17, 2019Observed: 2.63 ft at 8:45PM Aug 17, 2019Observed: 2.63 ft at 9:00PM Aug 17, 2019Observed: 2.62 ft at 9:15PM Aug 17, 2019Observed: 2.62 ft at 9:30PM Aug 17, 2019Observed: 2.62 ft at 9:45PM Aug 17, 2019Observed: 2.62 ft at 10:00PM Aug 17, 2019Observed: 2.63 ft at 10:15PM Aug 17, 2019Observed: 2.67 ft at 10:30PM Aug 17, 2019Observed: 2.68 ft at 10:45PM Aug 17, 2019Observed: 2.69 ft at 11:00PM Aug 17, 2019Observed: 2.69 ft at 11:15PM Aug 17, 2019Observed: 2.68 ft at 11:30PM Aug 17, 2019Observed: 2.67 ft at 11:45PM Aug 17, 2019Observed: 2.67 ft at 12:00AM Aug 18, 2019Observed: 2.67 ft at 12:15AM Aug 18, 2019Observed: 2.67 ft at 12:30AM Aug 18, 2019Observed: 2.68 ft at 12:45AM Aug 18, 2019Observed: 2.68 ft at 1:00AM Aug 18, 2019Observed: 2.69 ft at 1:15AM Aug 18, 2019Observed: 2.69 ft at 1:30AM Aug 18, 2019Observed: 2.69 ft at 1:45AM Aug 18, 2019Observed: 2.7 ft at 2:00AM Aug 18, 2019Observed: 2.7 ft at 2:15AM Aug 18, 2019Observed: 2.7 ft at 2:30AM Aug 18, 2019Observed: 2.71 ft at 2:45AM Aug 18, 2019Observed: 2.71 ft at 3:00AM Aug 18, 2019Observed: 2.72 ft at 3:15AM Aug 18, 2019Observed: 2.72 ft at 3:30AM Aug 18, 2019Observed: 2.73 ft at 3:45AM Aug 18, 2019Observed: 2.74 ft at 4:00AM Aug 18, 2019Observed: 2.74 ft at 4:15AM Aug 18, 2019Observed: 2.74 ft at 4:16AM Aug 18, 2019Observed: 2.75 ft at 4:30AM Aug 18, 2019Observed: 2.75 ft at 4:31AM Aug 18, 2019Observed: 2.75 ft at 4:45AM Aug 18, 2019Observed: 2.75 ft at 4:46AM Aug 18, 2019Observed: 2.75 ft at 5:00AM Aug 18, 2019Observed: 2.76 ft at 5:15AM Aug 18, 2019Observed: 2.76 ft at 5:30AM Aug 18, 2019Observed: 2.76 ft at 5:45AM Aug 18, 2019Observed: 2.76 ft at 6:00AM Aug 18, 2019Observed: 2.76 ft at 6:15AM Aug 18, 2019Observed: 2.77 ft at 6:30AM Aug 18, 2019Observed: 2.77 ft at 6:45AM Aug 18, 2019Observed: 2.77 ft at 7:00AM Aug 18, 2019Observed: 2.77 ft at 7:15AM Aug 18, 2019Observed: 2.78 ft at 7:30AM Aug 18, 2019Observed: 2.78 ft at 7:45AM Aug 18, 2019Observed: 2.78 ft at 8:00AM Aug 18, 2019Observed: 2.78 ft at 8:15AM Aug 18, 2019Observed: 2.79 ft at 8:30AM Aug 18, 2019Observed: 2.79 ft at 8:45AM Aug 18, 2019Observed: 2.79 ft at 9:00AM Aug 18, 2019Observed: 2.79 ft at 9:15AM Aug 18, 2019Observed: 2.8 ft at 9:30AM Aug 18, 2019Observed: 2.8 ft at 9:45AM Aug 18, 2019Observed: 2.8 ft at 10:00AM Aug 18, 2019Observed: 2.8 ft at 10:15AM Aug 18, 2019Observed: 2.8 ft at 10:30AM Aug 18, 2019Observed: 2.81 ft at 10:45AM Aug 18, 2019Observed: 2.81 ft at 11:00AM Aug 18, 2019Observed: 2.81 ft at 11:15AM Aug 18, 2019Observed: 2.81 ft at 11:30AM Aug 18, 2019Observed: 2.82 ft at 11:45AM Aug 18, 2019Observed: 2.82 ft at 12:00PM Aug 18, 2019Observed: 2.82 ft at 12:15PM Aug 18, 2019Observed: 2.82 ft at 12:16PM Aug 18, 2019Observed: 2.82 ft at 12:30PM Aug 18, 2019Observed: 2.82 ft at 12:31PM Aug 18, 2019Observed: 2.82 ft at 12:45PM Aug 18, 2019Observed: 2.82 ft at 12:46PM Aug 18, 2019Observed: 2.82 ft at 1:00PM Aug 18, 2019Observed: 2.83 ft at 1:15PM Aug 18, 2019Observed: 2.83 ft at 1:30PM Aug 18, 2019Observed: 2.83 ft at 1:45PM Aug 18, 2019Observed: 2.83 ft at 2:00PM Aug 18, 2019Observed: 2.83 ft at 2:15PM Aug 18, 2019Observed: 2.83 ft at 2:30PM Aug 18, 2019Observed: 2.82 ft at 2:45PM Aug 18, 2019Observed: 2.83 ft at 3:00PM Aug 18, 2019Observed: 2.83 ft at 3:15PM Aug 18, 2019Observed: 2.82 ft at 3:30PM Aug 18, 2019Observed: 2.83 ft at 3:45PM Aug 18, 2019Observed: 2.82 ft at 4:00PM Aug 18, 2019Observed: 2.83 ft at 4:15PM Aug 18, 2019Observed: 2.83 ft at 4:30PM Aug 18, 2019Observed: 2.83 ft at 4:45PM Aug 18, 2019Observed: 2.83 ft at 5:00PM Aug 18, 2019Observed: 2.83 ft at 5:15PM Aug 18, 2019Observed: 2.83 ft at 5:30PM Aug 18, 2019Observed: 2.83 ft at 5:45PM Aug 18, 2019Observed: 2.83 ft at 6:00PM Aug 18, 2019Observed: 2.83 ft at 6:15PM Aug 18, 2019Observed: 2.83 ft at 6:30PM Aug 18, 2019Observed: 2.83 ft at 6:45PM Aug 18, 2019Observed: 2.83 ft at 7:00PM Aug 18, 2019Observed: 2.83 ft at 7:15PM Aug 18, 2019Observed: 2.83 ft at 7:30PM Aug 18, 2019Observed: 2.83 ft at 7:45PM Aug 18, 2019Observed: 2.83 ft at 8:00PM Aug 18, 2019Observed: 2.83 ft at 8:15PM Aug 18, 2019Observed: 2.83 ft at 8:16PM Aug 18, 2019Observed: 2.83 ft at 8:30PM Aug 18, 2019Observed: 2.83 ft at 8:31PM Aug 18, 2019Observed: 2.82 ft at 8:45PM Aug 18, 2019Observed: 2.82 ft at 8:46PM Aug 18, 2019Observed: 2.82 ft at 9:00PM Aug 18, 2019Observed: 2.82 ft at 9:15PM Aug 18, 2019Observed: 2.82 ft at 9:30PM Aug 18, 2019Observed: 2.82 ft at 9:45PM Aug 18, 2019Observed: 2.82 ft at 10:00PM Aug 18, 2019Observed: 2.82 ft at 10:15PM Aug 18, 2019Observed: 2.82 ft at 10:30PM Aug 18, 2019Observed: 2.82 ft at 10:45PM Aug 18, 2019Observed: 2.82 ft at 11:00PM Aug 18, 2019Observed: 2.82 ft at 11:15PM Aug 18, 2019Observed: 2.82 ft at 11:30PM Aug 18, 2019Observed: 2.82 ft at 11:45PM Aug 18, 2019Observed: 2.82 ft at 12:00AM Aug 19, 2019Observed: 2.82 ft at 12:15AM Aug 19, 2019Observed: 2.82 ft at 12:30AM Aug 19, 2019Observed: 2.82 ft at 12:45AM Aug 19, 2019Observed: 2.82 ft at 1:00AM Aug 19, 2019Observed: 2.82 ft at 1:15AM Aug 19, 2019Observed: 2.82 ft at 1:30AM Aug 19, 2019Observed: 2.82 ft at 1:45AM Aug 19, 2019Observed: 2.81 ft at 2:00AM Aug 19, 2019Observed: 2.81 ft at 2:15AM Aug 19, 2019Observed: 2.81 ft at 2:30AM Aug 19, 2019Observed: 2.81 ft at 2:45AM Aug 19, 2019Observed: 2.81 ft at 3:00AM Aug 19, 2019Observed: 2.81 ft at 3:15AM Aug 19, 2019Observed: 2.81 ft at 3:30AM Aug 19, 2019Observed: 2.81 ft at 3:45AM Aug 19, 2019Observed: 2.81 ft at 4:00AM Aug 19, 2019Observed: 2.8 ft at 4:15AM Aug 19, 2019Observed: 2.8 ft at 4:16AM Aug 19, 2019Observed: 2.8 ft at 4:30AM Aug 19, 2019Observed: 2.8 ft at 4:31AM Aug 19, 2019Observed: 2.8 ft at 4:45AM Aug 19, 2019Observed: 2.8 ft at 4:46AM Aug 19, 2019Observed: 2.8 ft at 5:00AM Aug 19, 2019Observed: 2.8 ft at 5:15AM Aug 19, 2019Observed: 2.8 ft at 5:30AM Aug 19, 2019Observed: 2.8 ft at 5:45AM Aug 19, 2019Observed: 2.8 ft at 6:00AM Aug 19, 2019Observed: 2.8 ft at 6:15AM Aug 19, 2019Observed: 2.79 ft at 6:30AM Aug 19, 2019Observed: 2.79 ft at 6:45AM Aug 19, 2019Observed: 2.79 ft at 7:00AM Aug 19, 2019Observed: 2.79 ft at 7:15AM Aug 19, 2019Observed: 2.79 ft at 7:30AM Aug 19, 2019Observed: 2.79 ft at 7:45AM Aug 19, 2019Observed: 2.79 ft at 8:00AM Aug 19, 2019Observed: 2.79 ft at 8:15AM Aug 19, 2019Observed: 2.79 ft at 8:30AM Aug 19, 2019Observed: 2.79 ft at 8:45AM Aug 19, 2019Observed: 2.79 ft at 9:00AM Aug 19, 2019Observed: 2.8 ft at 9:15AM Aug 19, 2019Observed: 2.8 ft at 9:30AM Aug 19, 2019Observed: 2.8 ft at 9:45AM Aug 19, 2019Observed: 2.8 ft at 10:00AM Aug 19, 2019Observed: 2.8 ft at 10:15AM Aug 19, 2019Observed: 2.8 ft at 10:30AM Aug 19, 2019Observed: 2.8 ft at 10:45AM Aug 19, 2019Observed: 2.8 ft at 11:00AM Aug 19, 2019Observed: 2.8 ft at 11:15AM Aug 19, 2019Observed: 2.8 ft at 11:30AM Aug 19, 2019Observed: 2.8 ft at 11:45AM Aug 19, 2019Observed: 2.8 ft at 12:00PM Aug 19, 2019Observed: 2.79 ft at 12:15PM Aug 19, 2019Observed: 2.8 ft at 12:30PM Aug 19, 2019Observed: 2.79 ft at 12:45PM Aug 19, 2019Observed: 2.8 ft at 1:00PM Aug 19, 2019Observed: 2.79 ft at 1:15PM Aug 19, 2019Observed: 2.8 ft at 1:30PM Aug 19, 2019Observed: 2.8 ft at 1:45PM Aug 19, 2019Observed: 2.8 ft at 2:00PM Aug 19, 2019Observed: 2.8 ft at 2:15PM Aug 19, 2019Observed: 2.8 ft at 2:30PM Aug 19, 2019Observed: 2.8 ft at 2:45PM Aug 19, 2019Observed: 2.8 ft at 3:00PM Aug 19, 2019Observed: 2.79 ft at 3:15PM Aug 19, 2019Observed: 2.8 ft at 3:30PM Aug 19, 2019Observed: 2.8 ft at 3:45PM Aug 19, 2019Observed: 2.8 ft at 4:00PM Aug 19, 2019Observed: 2.8 ft at 4:15PM Aug 19, 2019Observed: 2.8 ft at 4:30PM Aug 19, 2019Observed: 2.79 ft at 4:45PM Aug 19, 2019Observed: 2.79 ft at 5:00PM Aug 19, 2019Observed: 2.8 ft at 5:15PM Aug 19, 2019Observed: 2.8 ft at 5:30PM Aug 19, 2019Observed: 2.79 ft at 5:45PM Aug 19, 2019Observed: 2.8 ft at 6:00PM Aug 19, 2019Observed: 2.8 ft at 6:15PM Aug 19, 2019Observed: 2.79 ft at 6:30PM Aug 19, 2019Observed: 2.79 ft at 6:45PM Aug 19, 2019Observed: 2.79 ft at 7:00PM Aug 19, 2019Observed: 2.81 ft at 7:15PM Aug 19, 2019Observed: 2.8 ft at 7:30PM Aug 19, 2019Observed: 2.79 ft at 7:45PM Aug 19, 2019Observed: 2.78 ft at 8:00PM Aug 19, 2019Observed: 2.78 ft at 8:15PM Aug 19, 2019Observed: 2.78 ft at 8:16PM Aug 19, 2019Observed: 2.78 ft at 8:30PM Aug 19, 2019Observed: 2.78 ft at 8:31PM Aug 19, 2019Observed: 2.78 ft at 8:45PM Aug 19, 2019Observed: 2.78 ft at 8:46PM Aug 19, 2019Observed: 2.78 ft at 9:00PM Aug 19, 2019Observed: 2.78 ft at 9:15PM Aug 19, 2019Observed: 2.77 ft at 9:30PM Aug 19, 2019Observed: 2.78 ft at 9:45PM Aug 19, 2019Observed: 2.78 ft at 10:00PM Aug 19, 2019Observed: 2.78 ft at 10:15PM Aug 19, 2019Observed: 2.78 ft at 10:30PM Aug 19, 2019Observed: 2.77 ft at 10:45PM Aug 19, 2019Observed: 2.78 ft at 11:00PM Aug 19, 2019Observed: 2.78 ft at 11:15PM Aug 19, 2019Observed: 2.78 ft at 11:30PM Aug 19, 2019Observed: 2.78 ft at 11:45PM Aug 19, 2019Observed: 2.78 ft at 12:00AM Aug 20, 2019Observed: 2.78 ft at 12:15AM Aug 20, 2019Observed: 2.78 ft at 12:30AM Aug 20, 2019Observed: 2.78 ft at 12:45AM Aug 20, 2019Observed: 2.78 ft at 1:00AM Aug 20, 2019Observed: 2.79 ft at 1:15AM Aug 20, 2019Observed: 2.79 ft at 1:30AM Aug 20, 2019Observed: 2.79 ft at 1:45AM Aug 20, 2019Observed: 2.79 ft at 2:00AM Aug 20, 2019Observed: 2.79 ft at 2:15AM Aug 20, 2019Observed: 2.79 ft at 2:30AM Aug 20, 2019Observed: 2.79 ft at 2:45AM Aug 20, 2019Observed: 2.79 ft at 3:00AM Aug 20, 2019Observed: 2.79 ft at 3:15AM Aug 20, 2019Observed: 2.79 ft at 3:30AM Aug 20, 2019Observed: 2.79 ft at 3:45AM Aug 20, 2019Observed: 2.79 ft at 4:00AM Aug 20, 2019Observed: 2.79 ft at 4:15AM Aug 20, 2019Observed: 2.79 ft at 4:16AM Aug 20, 2019Observed: 2.79 ft at 4:30AM Aug 20, 2019Observed: 2.79 ft at 4:31AM Aug 20, 2019Observed: 2.79 ft at 4:45AM Aug 20, 2019Observed: 2.79 ft at 4:46AM Aug 20, 2019Observed: 2.79 ft at 5:00AM Aug 20, 2019Observed: 2.79 ft at 5:15AM Aug 20, 2019Observed: 2.79 ft at 5:30AM Aug 20, 2019Observed: 2.79 ft at 5:45AM Aug 20, 2019Observed: 2.79 ft at 6:00AM Aug 20, 2019Observed: 2.79 ft at 6:15AM Aug 20, 2019Observed: 2.8 ft at 6:30AM Aug 20, 2019Observed: 2.8 ft at 6:45AM Aug 20, 2019Observed: 2.8 ft at 7:00AM Aug 20, 2019Observed: 2.8 ft at 7:15AM Aug 20, 2019Observed: 2.8 ft at 7:30AM Aug 20, 2019Observed: 2.8 ft at 7:45AM Aug 20, 2019Observed: 2.8 ft at 8:00AM Aug 20, 2019Observed: 2.8 ft at 8:15AM Aug 20, 2019Observed: 2.8 ft at 8:30AM Aug 20, 2019Observed: 2.8 ft at 8:45AM Aug 20, 2019Observed: 2.81 ft at 9:00AM Aug 20, 2019Observed: 2.81 ft at 9:15AM Aug 20, 2019Observed: 2.81 ft at 9:30AM Aug 20, 2019Observed: 2.81 ft at 9:45AM Aug 20, 2019Observed: 2.81 ft at 10:00AM Aug 20, 2019Observed: 2.81 ft at 10:15AM Aug 20, 2019Observed: 2.81 ft at 10:30AM Aug 20, 2019Observed: 2.82 ft at 10:45AM Aug 20, 2019Observed: 2.82 ft at 11:00AM Aug 20, 2019Observed: 2.82 ft at 11:15AM Aug 20, 2019Observed: 2.83 ft at 11:30AM Aug 20, 2019Observed: 2.83 ft at 11:45AM Aug 20, 2019Observed: 2.83 ft at 12:00PM Aug 20, 2019Observed: 2.83 ft at 12:15PM Aug 20, 2019Observed: 2.84 ft at 12:30PM Aug 20, 2019Observed: 2.84 ft at 12:45PM Aug 20, 2019Observed: 2.84 ft at 1:00PM Aug 20, 2019Observed: 2.84 ft at 1:15PM Aug 20, 2019Observed: 2.84 ft at 1:30PM Aug 20, 2019Observed: 2.84 ft at 1:45PM Aug 20, 2019Observed: 2.84 ft at 2:00PM Aug 20, 2019Highest Observation: 2.85 ft at 2:15PM Aug 20, 2019Observed: 2.84 ft at 2:30PM Aug 20, 2019Observed: 2.84 ft at 2:45PM Aug 20, 2019Highest Observation: 2.85 ft at 3:00PM Aug 20, 2019Highest Observation: 2.85 ft at 3:15PM Aug 20, 2019Highest Observation: 2.85 ft at 3:30PM Aug 20, 2019Highest Observation: 2.85 ft at 3:45PM Aug 20, 2019Highest Observation: 2.85 ft at 4:00PM Aug 20, 2019Highest Observation: 2.85 ft at 4:15PM Aug 20, 2019Highest Observation: 2.85 ft at 4:30PM Aug 20, 2019Highest Observation: 2.85 ft at 4:45PM Aug 20, 2019Highest Observation: 2.85 ft at 5:00PM Aug 20, 2019Highest Observation: 2.85 ft at 5:15PM Aug 20, 2019Highest Observation: 2.85 ft at 5:30PM Aug 20, 2019Highest Observation: 2.85 ft at 5:45PM Aug 20, 2019Highest Observation: 2.85 ft at 6:00PM Aug 20, 2019Highest Observation: 2.85 ft at 6:15PM Aug 20, 2019Highest Observation: 2.85 ft at 6:30PM Aug 20, 2019Highest Observation: 2.85 ft at 6:45PM Aug 20, 2019Observed: 2.84 ft at 7:00PM Aug 20, 2019Observed: 2.84 ft at 7:15PM Aug 20, 2019Highest Observation: 2.85 ft at 7:30PM Aug 20, 2019Observed: 2.84 ft at 7:45PM Aug 20, 2019Observed: 2.84 ft at 8:00PM Aug 20, 2019Observed: 2.84 ft at 8:15PM Aug 20, 2019Observed: 2.84 ft at 8:30PM Aug 20, 2019Observed: 2.84 ft at 8:45PM Aug 20, 2019Observed: 2.84 ft at 9:00PM Aug 20, 2019Observed: 2.84 ft at 9:15PM Aug 20, 2019Observed: 2.83 ft at 9:30PM Aug 20, 2019Observed: 2.83 ft at 9:45PM Aug 20, 2019Observed: 2.83 ft at 10:00PM Aug 20, 2019Observed: 2.83 ft at 10:15PM Aug 20, 2019Observed: 2.83 ft at 10:30PM Aug 20, 2019Observed: 2.83 ft at 10:45PM Aug 20, 2019Observed: 2.83 ft at 11:00PM Aug 20, 2019Observed: 2.83 ft at 11:15PM Aug 20, 2019Observed: 2.83 ft at 11:30PM Aug 20, 2019Observed: 2.83 ft at 11:45PM Aug 20, 2019Observed: 2.83 ft at 12:00AM Aug 21, 2019Observed: 2.83 ft at 12:15AM Aug 21, 2019Observed: 2.83 ft at 12:30AM Aug 21, 2019Observed: 2.83 ft at 12:45AM Aug 21, 2019Observed: 2.83 ft at 1:00AM Aug 21, 2019Observed: 2.83 ft at 1:15AM Aug 21, 2019Observed: 2.83 ft at 1:30AM Aug 21, 2019Observed: 2.83 ft at 1:45AM Aug 21, 2019USGS--Water Resources of the United StatesCOSS2(plotting HGIRG) Graph Created (2:18AM Aug 21, 2019)ObservedLatest observed value: 2.83 ft at 1:45 AM CDT 21-Aug-2019. Flood Stage is 8.5 ft
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Tabular Data (UTC)
Tabular Data (CDT)
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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 Split Rock Creek at Corson are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - below Jasper Upstream Gauge
Flood Categories (in feet)
Major Flood Stage: 14
Moderate Flood Stage: 11
Flood Stage: 8.5
Action Stage: 7.5
Low Stage (in feet): -9999

Historic Crests
(1) 17.58 ft on 05/08/1993
(2) 16.16 ft on 06/17/2014
(3) 15.50 ft on 09/24/2010
(4) 15.00 ft on 04/08/1969
(5) 14.08 ft on 06/21/1984
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(P): Preliminary values subject to further review.

Recent Crests
(1) 12.92 ft on 03/14/2019 (P)
(2) 12.80 ft on 06/21/2018
(3) 5.31 ft on 05/21/2017
(4) 6.43 ft on 05/01/2016
(5) 8.56 ft on 07/07/2015
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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Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
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If you notice any errors in the below information, please contact our Webmaster
14 Highway 11 north of Corson begins to flood.
11 The nursery near the mouth of Split Rock Creek begins flooding if the Big Sioux River is high enough to cause a backwater effect. Highway 11 north of Highway 42 can be flooded if Beaver Creek flows are also high.
9 The parking lot at the racetrack may be flooded.
8.5 Flooding of the lower lying agricultural land begins.
Photos
(1) Upstream View
(2) Downstream View
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Latitude: 43.616389° N, Longitude: 96.565000° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 8.5 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)		 Elevation
(gauge height = flood stage)		 Elevation information source
NAVD88 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 1304.22 ft 1312.72 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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