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Hydrograph River at a Glance Download
Big Sioux River near Egan Stage (ft)Flow (cfs)Observed: 1508.75 ft at 7:00PM Mar 18, 2024Observed: 1508.77 ft at 7:15PM Mar 18, 2024Observed: 1508.76 ft at 7:30PM Mar 18, 2024Observed: 1508.77 ft at 7:45PM Mar 18, 2024Observed: 1508.77 ft at 8:00PM Mar 18, 2024Observed: 1508.78 ft at 8:15PM Mar 18, 2024Observed: 1508.78 ft at 8:30PM Mar 18, 2024Observed: 1508.78 ft at 8:45PM Mar 18, 2024Observed: 1508.79 ft at 9:00PM Mar 18, 2024Observed: 1508.8 ft at 9:15PM Mar 18, 2024Observed: 1508.79 ft at 9:30PM Mar 18, 2024Observed: 1508.8 ft at 9:45PM Mar 18, 2024Observed: 1508.8 ft at 10:00PM Mar 18, 2024Observed: 1508.8 ft at 10:15PM Mar 18, 2024Observed: 1508.81 ft at 10:30PM Mar 18, 2024Observed: 1508.81 ft at 10:45PM Mar 18, 2024Observed: 1508.81 ft at 11:00PM Mar 18, 2024Observed: 1508.81 ft at 11:15PM Mar 18, 2024Observed: 1508.82 ft at 11:30PM Mar 18, 2024Observed: 1508.82 ft at 11:45PM Mar 18, 2024Observed: 1508.82 ft at 12:00AM Mar 19, 2024Observed: 1508.82 ft at 12:15AM Mar 19, 2024Observed: 1508.81 ft at 12:30AM Mar 19, 2024Observed: 1508.82 ft at 12:45AM Mar 19, 2024Observed: 1508.81 ft at 1:00AM Mar 19, 2024Observed: 1508.83 ft at 1:15AM Mar 19, 2024Observed: 1508.83 ft at 1:30AM Mar 19, 2024Observed: 1508.82 ft at 1:45AM Mar 19, 2024Observed: 1508.82 ft at 2:00AM Mar 19, 2024Observed: 1508.82 ft at 2:15AM Mar 19, 2024Observed: 1508.82 ft at 2:30AM Mar 19, 2024Observed: 1508.82 ft at 2:45AM Mar 19, 2024Observed: 1508.81 ft at 3:00AM Mar 19, 2024Observed: 1508.81 ft at 3:15AM Mar 19, 2024Observed: 1508.81 ft at 3:30AM Mar 19, 2024Observed: 1508.81 ft at 3:45AM Mar 19, 2024Observed: 1508.8 ft at 4:00AM Mar 19, 2024Observed: 1508.8 ft at 4:15AM Mar 19, 2024Observed: 1508.81 ft at 4:30AM Mar 19, 2024Observed: 1508.8 ft at 4:45AM Mar 19, 2024Observed: 1508.8 ft at 5:00AM Mar 19, 2024Observed: 1508.8 ft at 5:15AM Mar 19, 2024Observed: 1508.8 ft at 5:30AM Mar 19, 2024Observed: 1508.8 ft at 5:45AM Mar 19, 2024Observed: 1508.8 ft at 6:00AM Mar 19, 2024Observed: 1508.81 ft at 6:15AM Mar 19, 2024Observed: 1508.8 ft at 6:30AM Mar 19, 2024Observed: 1508.8 ft at 6:45AM Mar 19, 2024Observed: 1508.8 ft at 7:00AM Mar 19, 2024Observed: 1508.8 ft at 7:15AM Mar 19, 2024Observed: 1508.8 ft at 7:30AM Mar 19, 2024Observed: 1508.81 ft at 7:45AM Mar 19, 2024Observed: 1508.8 ft at 8:00AM Mar 19, 2024Observed: 1508.8 ft at 8:15AM Mar 19, 2024Observed: 1508.8 ft at 8:30AM Mar 19, 2024Observed: 1508.8 ft at 8:45AM Mar 19, 2024Observed: 1508.8 ft at 9:00AM Mar 19, 2024Observed: 1508.8 ft at 9:15AM Mar 19, 2024Observed: 1508.8 ft at 9:30AM Mar 19, 2024Observed: 1508.81 ft at 9:45AM Mar 19, 2024Observed: 1508.81 ft at 10:00AM Mar 19, 2024Observed: 1508.81 ft at 10:15AM Mar 19, 2024Observed: 1508.81 ft at 10:30AM Mar 19, 2024Observed: 1508.81 ft at 10:45AM Mar 19, 2024Observed: 1508.81 ft at 11:00AM Mar 19, 2024Observed: 1508.81 ft at 11:15AM Mar 19, 2024Observed: 1508.81 ft at 11:30AM Mar 19, 2024Observed: 1508.81 ft at 11:45AM Mar 19, 2024Observed: 1508.81 ft at 12:00PM Mar 19, 2024Observed: 1508.81 ft at 2:15PM Mar 19, 2024Observed: 1508.8 ft at 2:30PM Mar 19, 2024Observed: 1508.79 ft at 2:45PM Mar 19, 2024Observed: 1508.79 ft at 3:00PM Mar 19, 2024Observed: 1508.79 ft at 3:15PM Mar 19, 2024Observed: 1508.8 ft at 3:30PM Mar 19, 2024Observed: 1508.81 ft at 3:45PM Mar 19, 2024Observed: 1508.8 ft at 4:00PM Mar 19, 2024Observed: 1508.79 ft at 4:15PM Mar 19, 2024Observed: 1508.81 ft at 4:30PM Mar 19, 2024Observed: 1508.77 ft at 4:45PM Mar 19, 2024Observed: 1508.8 ft at 5:00PM Mar 19, 2024Observed: 1508.77 ft at 5:15PM Mar 19, 2024Observed: 1508.79 ft at 5:30PM Mar 19, 2024Observed: 1508.78 ft at 5:45PM Mar 19, 2024Observed: 1508.78 ft at 6:00PM Mar 19, 2024Observed: 1508.78 ft at 6:15PM Mar 19, 2024Observed: 1508.79 ft at 6:30PM Mar 19, 2024Observed: 1508.79 ft at 6:45PM Mar 19, 2024Observed: 1508.79 ft at 7:00PM Mar 19, 2024Observed: 1508.79 ft at 7:15PM Mar 19, 2024Observed: 1508.8 ft at 7:30PM Mar 19, 2024Observed: 1508.8 ft at 7:45PM Mar 19, 2024Observed: 1508.81 ft at 8:00PM Mar 19, 2024Observed: 1508.81 ft at 8:15PM Mar 19, 2024Observed: 1508.81 ft at 8:30PM Mar 19, 2024Observed: 1508.81 ft at 8:45PM Mar 19, 2024Observed: 1508.81 ft at 9:00PM Mar 19, 2024Observed: 1508.81 ft at 9:15PM Mar 19, 2024Observed: 1508.79 ft at 9:30PM Mar 19, 2024Observed: 1508.79 ft at 9:45PM Mar 19, 2024Observed: 1508.78 ft at 10:00PM Mar 19, 2024Observed: 1508.82 ft at 10:15PM Mar 19, 2024Observed: 1508.81 ft at 10:30PM Mar 19, 2024Observed: 1508.79 ft at 10:45PM Mar 19, 2024Observed: 1508.8 ft at 11:00PM Mar 19, 2024Observed: 1508.82 ft at 11:15PM Mar 19, 2024Observed: 1508.81 ft at 11:30PM Mar 19, 2024Observed: 1508.83 ft at 11:45PM Mar 19, 2024Observed: 1508.82 ft at 12:00AM Mar 20, 2024Observed: 1508.82 ft at 12:15AM Mar 20, 2024Observed: 1508.82 ft at 12:30AM Mar 20, 2024Observed: 1508.83 ft at 12:45AM Mar 20, 2024Observed: 1508.8 ft at 1:00AM Mar 20, 2024Observed: 1508.79 ft at 1:15AM Mar 20, 2024Observed: 1508.82 ft at 1:30AM Mar 20, 2024Observed: 1508.82 ft at 1:45AM Mar 20, 2024Observed: 1508.8 ft at 2:00AM Mar 20, 2024Observed: 1508.82 ft at 2:15AM Mar 20, 2024Observed: 1508.83 ft at 2:30AM Mar 20, 2024Observed: 1508.82 ft at 2:45AM Mar 20, 2024Observed: 1508.81 ft at 3:00AM Mar 20, 2024Observed: 1508.81 ft at 3:15AM Mar 20, 2024Observed: 1508.8 ft at 3:30AM Mar 20, 2024Observed: 1508.8 ft at 3:45AM Mar 20, 2024Observed: 1508.77 ft at 4:00AM Mar 20, 2024Observed: 1508.78 ft at 4:15AM Mar 20, 2024Observed: 1508.76 ft at 4:30AM Mar 20, 2024Observed: 1508.77 ft at 4:45AM Mar 20, 2024Observed: 1508.77 ft at 5:00AM Mar 20, 2024Observed: 1508.77 ft at 5:15AM Mar 20, 2024Observed: 1508.77 ft at 5:30AM Mar 20, 2024Observed: 1508.79 ft at 5:45AM Mar 20, 2024Observed: 1508.75 ft at 6:00AM Mar 20, 2024Observed: 1508.77 ft at 6:15AM Mar 20, 2024Observed: 1508.79 ft at 6:30AM Mar 20, 2024Observed: 1508.76 ft at 6:45AM Mar 20, 2024Observed: 1508.76 ft at 7:00AM Mar 20, 2024Observed: 1508.79 ft at 7:15AM Mar 20, 2024Observed: 1508.78 ft at 7:30AM Mar 20, 2024Observed: 1508.78 ft at 7:45AM Mar 20, 2024Observed: 1508.78 ft at 8:00AM Mar 20, 2024Observed: 1508.77 ft at 8:15AM Mar 20, 2024Observed: 1508.77 ft at 8:30AM Mar 20, 2024Observed: 1508.77 ft at 8:45AM Mar 20, 2024Observed: 1508.77 ft at 9:00AM Mar 20, 2024Observed: 1508.75 ft at 9:15AM Mar 20, 2024Observed: 1508.74 ft at 9:30AM Mar 20, 2024Observed: 1508.77 ft at 9:45AM Mar 20, 2024Observed: 1508.74 ft at 10:00AM Mar 20, 2024Observed: 1508.75 ft at 10:15AM Mar 20, 2024Observed: 1508.75 ft at 10:30AM Mar 20, 2024Observed: 1508.77 ft at 10:45AM Mar 20, 2024Observed: 1508.76 ft at 11:00AM Mar 20, 2024Observed: 1508.75 ft at 11:15AM Mar 20, 2024Observed: 1508.78 ft at 11:30AM Mar 20, 2024Observed: 1508.76 ft at 11:45AM Mar 20, 2024Observed: 1508.76 ft at 12:00PM Mar 20, 2024Observed: 1508.77 ft at 12:15PM Mar 20, 2024Observed: 1508.77 ft at 12:30PM Mar 20, 2024Observed: 1508.77 ft at 12:45PM Mar 20, 2024Observed: 1508.77 ft at 1:00PM Mar 20, 2024Observed: 1508.76 ft at 1:15PM Mar 20, 2024Observed: 1508.77 ft at 1:30PM Mar 20, 2024Observed: 1508.77 ft at 1:45PM Mar 20, 2024Observed: 1508.79 ft at 2:00PM Mar 20, 2024Observed: 1508.79 ft at 2:15PM Mar 20, 2024Observed: 1508.79 ft at 2:30PM Mar 20, 2024Observed: 1508.79 ft at 2:45PM Mar 20, 2024Observed: 1508.79 ft at 3:00PM Mar 20, 2024Observed: 1508.8 ft at 3:15PM Mar 20, 2024Observed: 1508.8 ft at 3:30PM Mar 20, 2024Observed: 1508.79 ft at 3:45PM Mar 20, 2024Observed: 1508.8 ft at 4:00PM Mar 20, 2024Observed: 1508.81 ft at 4:15PM Mar 20, 2024Observed: 1508.78 ft at 4:30PM Mar 20, 2024Observed: 1508.79 ft at 4:45PM Mar 20, 2024Observed: 1508.79 ft at 5:00PM Mar 20, 2024Observed: 1508.79 ft at 5:15PM Mar 20, 2024Observed: 1508.79 ft at 5:30PM Mar 20, 2024Observed: 1508.79 ft at 5:45PM Mar 20, 2024Observed: 1508.78 ft at 6:00PM Mar 20, 2024Observed: 1508.78 ft at 6:15PM Mar 20, 2024Observed: 1508.77 ft at 6:30PM Mar 20, 2024Observed: 1508.77 ft at 6:45PM Mar 20, 2024Observed: 1508.77 ft at 7:00PM Mar 20, 2024Observed: 1508.77 ft at 7:15PM Mar 20, 2024Observed: 1508.75 ft at 7:30PM Mar 20, 2024Observed: 1508.76 ft at 7:45PM Mar 20, 2024Observed: 1508.75 ft at 8:00PM Mar 20, 2024Observed: 1508.76 ft at 8:15PM Mar 20, 2024Observed: 1508.75 ft at 8:30PM Mar 20, 2024Observed: 1508.75 ft at 8:45PM Mar 20, 2024Observed: 1508.75 ft at 9:00PM Mar 20, 2024Observed: 1508.75 ft at 9:15PM Mar 20, 2024Observed: 1508.76 ft at 9:30PM Mar 20, 2024Observed: 1508.76 ft at 9:45PM Mar 20, 2024Observed: 1508.76 ft at 10:00PM Mar 20, 2024Observed: 1508.76 ft at 10:15PM Mar 20, 2024Observed: 1508.76 ft at 10:30PM Mar 20, 2024Observed: 1508.76 ft at 10:45PM Mar 20, 2024Observed: 1508.76 ft at 11:00PM Mar 20, 2024Observed: 1508.76 ft at 11:15PM Mar 20, 2024Observed: 1508.76 ft at 11:30PM Mar 20, 2024Observed: 1508.76 ft at 11:45PM Mar 20, 2024Observed: 1508.77 ft at 12:00AM Mar 21, 2024Observed: 1508.77 ft at 12:15AM Mar 21, 2024Observed: 1508.77 ft at 12:30AM Mar 21, 2024Observed: 1508.77 ft at 12:45AM Mar 21, 2024Observed: 1508.77 ft at 1:00AM Mar 21, 2024Observed: 1508.77 ft at 1:15AM Mar 21, 2024Observed: 1508.77 ft at 1:30AM Mar 21, 2024Observed: 1508.77 ft at 1:45AM Mar 21, 2024Observed: 1508.77 ft at 2:00AM Mar 21, 2024Observed: 1508.77 ft at 2:15AM Mar 21, 2024Observed: 1508.77 ft at 2:30AM Mar 21, 2024Observed: 1508.77 ft at 2:45AM Mar 21, 2024Observed: 1508.76 ft at 3:00AM Mar 21, 2024Observed: 1508.77 ft at 3:15AM Mar 21, 2024Observed: 1508.77 ft at 3:30AM Mar 21, 2024Observed: 1508.77 ft at 3:45AM Mar 21, 2024Observed: 1508.77 ft at 4:00AM Mar 21, 2024Observed: 1508.77 ft at 4:15AM Mar 21, 2024Observed: 1508.77 ft at 4:30AM Mar 21, 2024Observed: 1508.77 ft at 4:45AM Mar 21, 2024Observed: 1508.77 ft at 5:00AM Mar 21, 2024Observed: 1508.77 ft at 5:15AM Mar 21, 2024Observed: 1508.76 ft at 5:30AM Mar 21, 2024Observed: 1508.77 ft at 5:45AM Mar 21, 2024Observed: 1508.76 ft at 6:00AM Mar 21, 2024Observed: 1508.76 ft at 6:15AM Mar 21, 2024Observed: 1508.76 ft at 6:30AM Mar 21, 2024Observed: 1508.76 ft at 6:45AM Mar 21, 2024Observed: 1508.76 ft at 7:00AM Mar 21, 2024Observed: 1508.76 ft at 7:15AM Mar 21, 2024Observed: 1508.76 ft at 7:30AM Mar 21, 2024Observed: 1508.75 ft at 7:45AM Mar 21, 2024Observed: 1508.76 ft at 8:00AM Mar 21, 2024Observed: 1508.76 ft at 8:15AM Mar 21, 2024Observed: 1508.76 ft at 8:30AM Mar 21, 2024Observed: 1508.76 ft at 8:45AM Mar 21, 2024Observed: 1508.76 ft at 9:00AM Mar 21, 2024Observed: 1508.76 ft at 9:15AM Mar 21, 2024Observed: 1508.76 ft at 9:30AM Mar 21, 2024Observed: 1508.76 ft at 9:45AM Mar 21, 2024Observed: 1508.75 ft at 10:00AM Mar 21, 2024Observed: 1508.75 ft at 10:15AM Mar 21, 2024Observed: 1508.75 ft at 10:30AM Mar 21, 2024Observed: 1508.75 ft at 10:45AM Mar 21, 2024Observed: 1508.75 ft at 11:00AM Mar 21, 2024Observed: 1508.75 ft at 11:15AM Mar 21, 2024Observed: 1508.75 ft at 11:30AM Mar 21, 2024Observed: 1508.74 ft at 11:45AM Mar 21, 2024Observed: 1508.75 ft at 12:00PM Mar 21, 2024Observed: 1508.75 ft at 12:15PM Mar 21, 2024Observed: 1508.75 ft at 12:30PM Mar 21, 2024Observed: 1508.75 ft at 12:45PM Mar 21, 2024Observed: 1508.74 ft at 1:00PM Mar 21, 2024Observed: 1508.74 ft at 1:15PM Mar 21, 2024Observed: 1508.75 ft at 1:30PM Mar 21, 2024Observed: 1508.74 ft at 1:45PM Mar 21, 2024Observed: 1508.74 ft at 2:00PM Mar 21, 2024Observed: 1508.73 ft at 2:15PM Mar 21, 2024Observed: 1508.74 ft at 2:30PM Mar 21, 2024Observed: 1508.74 ft at 2:45PM Mar 21, 2024Observed: 1508.75 ft at 3:00PM Mar 21, 2024Observed: 1508.75 ft at 3:15PM Mar 21, 2024Observed: 1508.74 ft at 3:30PM Mar 21, 2024Observed: 1508.75 ft at 3:45PM Mar 21, 2024Observed: 1508.74 ft at 4:00PM Mar 21, 2024Observed: 1508.74 ft at 4:15PM Mar 21, 2024Observed: 1508.74 ft at 4:30PM Mar 21, 2024Observed: 1508.73 ft at 4:45PM Mar 21, 2024Observed: 1508.73 ft at 5:00PM Mar 21, 2024Observed: 1508.73 ft at 5:15PM Mar 21, 2024Observed: 1508.73 ft at 5:30PM Mar 21, 2024Observed: 1508.74 ft at 5:45PM Mar 21, 2024Observed: 1508.73 ft at 6:00PM Mar 21, 2024Observed: 1508.71 ft at 6:15PM Mar 21, 2024Observed: 1508.73 ft at 6:30PM Mar 21, 2024Observed: 1508.72 ft at 6:45PM Mar 21, 2024Observed: 1508.74 ft at 7:00PM Mar 21, 2024Observed: 1508.72 ft at 7:15PM Mar 21, 2024Observed: 1508.73 ft at 7:30PM Mar 21, 2024Observed: 1508.74 ft at 7:45PM Mar 21, 2024Observed: 1508.74 ft at 8:00PM Mar 21, 2024Observed: 1508.75 ft at 8:15PM Mar 21, 2024Observed: 1508.75 ft at 8:30PM Mar 21, 2024Observed: 1508.75 ft at 8:45PM Mar 21, 2024Observed: 1508.75 ft at 9:00PM Mar 21, 2024Observed: 1508.76 ft at 9:15PM Mar 21, 2024Observed: 1508.75 ft at 9:30PM Mar 21, 2024Observed: 1508.75 ft at 9:45PM Mar 21, 2024Observed: 1508.76 ft at 10:00PM Mar 21, 2024Observed: 1508.75 ft at 10:15PM Mar 21, 2024Observed: 1508.75 ft at 10:30PM Mar 21, 2024Observed: 1508.75 ft at 10:45PM Mar 21, 2024Observed: 1508.74 ft at 11:00PM Mar 21, 2024Observed: 1508.74 ft at 11:15PM Mar 21, 2024Observed: 1508.74 ft at 11:30PM Mar 21, 2024Observed: 1508.74 ft at 11:45PM Mar 21, 2024Observed: 1508.74 ft at 12:00AM Mar 22, 2024Observed: 1508.74 ft at 12:15AM Mar 22, 2024Observed: 1508.74 ft at 12:30AM Mar 22, 2024Observed: 1508.74 ft at 12:45AM Mar 22, 2024Observed: 1508.74 ft at 1:00AM Mar 22, 2024Observed: 1508.74 ft at 1:15AM Mar 22, 2024Observed: 1508.74 ft at 1:30AM Mar 22, 2024Observed: 1508.74 ft at 1:45AM Mar 22, 2024Observed: 1508.74 ft at 2:00AM Mar 22, 2024Observed: 1508.75 ft at 2:15AM Mar 22, 2024Observed: 1508.75 ft at 2:30AM Mar 22, 2024Observed: 1508.75 ft at 2:45AM Mar 22, 2024Observed: 1508.75 ft at 3:00AM Mar 22, 2024Observed: 1508.75 ft at 3:15AM Mar 22, 2024Observed: 1508.75 ft at 3:30AM Mar 22, 2024Observed: 1508.75 ft at 3:45AM Mar 22, 2024Observed: 1508.76 ft at 4:00AM Mar 22, 2024Observed: 1508.76 ft at 4:15AM Mar 22, 2024Observed: 1508.76 ft at 4:30AM Mar 22, 2024Observed: 1508.76 ft at 4:45AM Mar 22, 2024Observed: 1508.76 ft at 5:00AM Mar 22, 2024Observed: 1508.75 ft at 5:15AM Mar 22, 2024Observed: 1508.75 ft at 5:30AM Mar 22, 2024Observed: 1508.75 ft at 5:45AM Mar 22, 2024Observed: 1508.75 ft at 6:00AM Mar 22, 2024Observed: 1508.75 ft at 6:15AM Mar 22, 2024Observed: 1508.75 ft at 6:30AM Mar 22, 2024Observed: 1508.74 ft at 6:45AM Mar 22, 2024Observed: 1508.76 ft at 7:00AM Mar 22, 2024Observed: 1508.75 ft at 7:15AM Mar 22, 2024Observed: 1508.75 ft at 7:30AM Mar 22, 2024Observed: 1508.75 ft at 7:45AM Mar 22, 2024Observed: 1508.75 ft at 8:00AM Mar 22, 2024Observed: 1508.73 ft at 8:15AM Mar 22, 2024Observed: 1508.76 ft at 8:30AM Mar 22, 2024Observed: 1508.75 ft at 8:45AM Mar 22, 2024Observed: 1508.75 ft at 9:00AM Mar 22, 2024Observed: 1508.75 ft at 9:15AM Mar 22, 2024Observed: 1508.75 ft at 9:30AM Mar 22, 2024Observed: 1508.75 ft at 9:45AM Mar 22, 2024Observed: 1508.75 ft at 10:00AM Mar 22, 2024Observed: 1508.75 ft at 10:15AM Mar 22, 2024Observed: 1508.75 ft at 10:30AM Mar 22, 2024Observed: 1508.74 ft at 10:45AM Mar 22, 2024Observed: 1508.72 ft at 11:00AM Mar 22, 2024Observed: 1508.75 ft at 11:15AM Mar 22, 2024Observed: 1508.75 ft at 11:30AM Mar 22, 2024Observed: 1508.76 ft at 11:45AM Mar 22, 2024Observed: 1508.74 ft at 12:00PM Mar 22, 2024Observed: 1508.75 ft at 12:15PM Mar 22, 2024Observed: 1508.75 ft at 12:30PM Mar 22, 2024Observed: 1508.75 ft at 12:45PM Mar 22, 2024Observed: 1508.72 ft at 1:00PM Mar 22, 2024Observed: 1508.75 ft at 1:15PM Mar 22, 2024Observed: 1508.74 ft at 1:30PM Mar 22, 2024Observed: 1508.74 ft at 1:45PM Mar 22, 2024Observed: 1508.73 ft at 2:00PM Mar 22, 2024Observed: 1508.74 ft at 2:15PM Mar 22, 2024Observed: 1508.75 ft at 2:30PM Mar 22, 2024Observed: 1508.73 ft at 2:45PM Mar 22, 2024Observed: 1508.75 ft at 3:00PM Mar 22, 2024Observed: 1508.75 ft at 3:15PM Mar 22, 2024Observed: 1508.75 ft at 3:30PM Mar 22, 2024Observed: 1508.75 ft at 3:45PM Mar 22, 2024Observed: 1508.75 ft at 4:00PM Mar 22, 2024Observed: 1508.76 ft at 4:15PM Mar 22, 2024Observed: 1508.75 ft at 4:30PM Mar 22, 2024Observed: 1508.73 ft at 4:45PM Mar 22, 2024Observed: 1508.76 ft at 5:00PM Mar 22, 2024Observed: 1508.76 ft at 5:15PM Mar 22, 2024Observed: 1508.75 ft at 5:30PM Mar 22, 2024Observed: 1508.76 ft at 5:45PM Mar 22, 2024Observed: 1508.77 ft at 6:00PM Mar 22, 2024Observed: 1508.76 ft at 6:15PM Mar 22, 2024Observed: 1508.76 ft at 6:30PM Mar 22, 2024Observed: 1508.74 ft at 6:45PM Mar 22, 2024Observed: 1508.75 ft at 7:00PM Mar 22, 2024Observed: 1508.76 ft at 7:15PM Mar 22, 2024Observed: 1508.76 ft at 7:30PM Mar 22, 2024Observed: 1508.75 ft at 7:45PM Mar 22, 2024Observed: 1508.75 ft at 8:00PM Mar 22, 2024Observed: 1508.75 ft at 8:15PM Mar 22, 2024Observed: 1508.75 ft at 8:30PM Mar 22, 2024Observed: 1508.75 ft at 8:45PM Mar 22, 2024Observed: 1508.75 ft at 9:00PM Mar 22, 2024Observed: 1508.75 ft at 9:15PM Mar 22, 2024Observed: 1508.75 ft at 9:30PM Mar 22, 2024Observed: 1508.75 ft at 9:45PM Mar 22, 2024Observed: 1508.75 ft at 10:00PM Mar 22, 2024Observed: 1508.75 ft at 10:15PM Mar 22, 2024Observed: 1508.75 ft at 10:30PM Mar 22, 2024Observed: 1508.75 ft at 10:45PM Mar 22, 2024Observed: 1508.75 ft at 11:00PM Mar 22, 2024Observed: 1508.76 ft at 11:15PM Mar 22, 2024Observed: 1508.76 ft at 11:30PM Mar 22, 2024Observed: 1508.76 ft at 11:45PM Mar 22, 2024Observed: 1508.76 ft at 12:00AM Mar 23, 2024Observed: 1508.75 ft at 12:15AM Mar 23, 2024Observed: 1508.75 ft at 12:30AM Mar 23, 2024Observed: 1508.75 ft at 12:45AM Mar 23, 2024Observed: 1508.75 ft at 1:00AM Mar 23, 2024Observed: 1508.75 ft at 1:15AM Mar 23, 2024Observed: 1508.75 ft at 1:30AM Mar 23, 2024Observed: 1508.75 ft at 1:45AM Mar 23, 2024Observed: 1508.75 ft at 2:00AM Mar 23, 2024Observed: 1508.75 ft at 2:15AM Mar 23, 2024Observed: 1508.75 ft at 2:30AM Mar 23, 2024Observed: 1508.75 ft at 2:45AM Mar 23, 2024Observed: 1508.74 ft at 3:00AM Mar 23, 2024Observed: 1508.74 ft at 3:15AM Mar 23, 2024Observed: 1508.74 ft at 3:30AM Mar 23, 2024Observed: 1508.74 ft at 3:45AM Mar 23, 2024Observed: 1508.74 ft at 4:00AM Mar 23, 2024Observed: 1508.74 ft at 4:15AM Mar 23, 2024Observed: 1508.74 ft at 4:30AM Mar 23, 2024Observed: 1508.74 ft at 4:45AM Mar 23, 2024Observed: 1508.74 ft at 5:00AM Mar 23, 2024Observed: 1508.74 ft at 5:15AM Mar 23, 2024Observed: 1508.74 ft at 5:30AM Mar 23, 2024Observed: 1508.74 ft at 5:45AM Mar 23, 2024Observed: 1508.73 ft at 6:00AM Mar 23, 2024Observed: 1508.73 ft at 6:15AM Mar 23, 2024Observed: 1508.73 ft at 6:30AM Mar 23, 2024Observed: 1508.73 ft at 6:45AM Mar 23, 2024Observed: 1508.73 ft at 7:00AM Mar 23, 2024Observed: 1508.73 ft at 7:15AM Mar 23, 2024Observed: 1508.74 ft at 7:30AM Mar 23, 2024Observed: 1508.74 ft at 7:45AM Mar 23, 2024Observed: 1508.74 ft at 8:00AM Mar 23, 2024Observed: 1508.74 ft at 8:15AM Mar 23, 2024Observed: 1508.74 ft at 8:30AM Mar 23, 2024Observed: 1508.74 ft at 8:45AM Mar 23, 2024Observed: 1508.75 ft at 9:00AM Mar 23, 2024Observed: 1508.75 ft at 9:15AM Mar 23, 2024Observed: 1508.75 ft at 9:30AM Mar 23, 2024Observed: 1508.75 ft at 9:45AM Mar 23, 2024Observed: 1508.76 ft at 10:00AM Mar 23, 2024Observed: 1508.76 ft at 10:15AM Mar 23, 2024Observed: 1508.75 ft at 10:30AM Mar 23, 2024Observed: 1508.75 ft at 10:45AM Mar 23, 2024Observed: 1508.75 ft at 11:00AM Mar 23, 2024Observed: 1508.75 ft at 11:15AM Mar 23, 2024Observed: 1508.74 ft at 11:30AM Mar 23, 2024Observed: 1508.74 ft at 11:45AM Mar 23, 2024Observed: 1508.73 ft at 12:00PM Mar 23, 2024Observed: 1508.73 ft at 12:15PM Mar 23, 2024Observed: 1508.72 ft at 12:30PM Mar 23, 2024Observed: 1508.72 ft at 12:45PM Mar 23, 2024Observed: 1508.71 ft at 1:00PM Mar 23, 2024Observed: 1508.71 ft at 1:15PM Mar 23, 2024Observed: 1508.7 ft at 1:30PM Mar 23, 2024Observed: 1508.7 ft at 1:45PM Mar 23, 2024Observed: 1508.7 ft at 2:00PM Mar 23, 2024Observed: 1508.69 ft at 2:15PM Mar 23, 2024Observed: 1508.69 ft at 2:30PM Mar 23, 2024Observed: 1508.69 ft at 2:45PM Mar 23, 2024Observed: 1508.68 ft at 3:00PM Mar 23, 2024Observed: 1508.68 ft at 3:15PM Mar 23, 2024Observed: 1508.68 ft at 3:30PM Mar 23, 2024Observed: 1508.68 ft at 3:45PM Mar 23, 2024Observed: 1508.66 ft at 4:00PM Mar 23, 2024Observed: 1508.67 ft at 4:15PM Mar 23, 2024Observed: 1508.66 ft at 4:30PM Mar 23, 2024Observed: 1508.66 ft at 4:45PM Mar 23, 2024Observed: 1508.67 ft at 5:00PM Mar 23, 2024Observed: 1508.66 ft at 5:15PM Mar 23, 2024Observed: 1508.66 ft at 5:30PM Mar 23, 2024Observed: 1508.67 ft at 5:45PM Mar 23, 2024Observed: 1508.66 ft at 6:00PM Mar 23, 2024Observed: 1508.67 ft at 6:15PM Mar 23, 2024Observed: 1508.66 ft at 6:30PM Mar 23, 2024Observed: 1508.67 ft at 6:45PM Mar 23, 2024Observed: 1508.68 ft at 7:00PM Mar 23, 2024Observed: 1508.68 ft at 7:15PM Mar 23, 2024Observed: 1508.68 ft at 7:30PM Mar 23, 2024Observed: 1508.69 ft at 7:45PM Mar 23, 2024Observed: 1508.69 ft at 8:00PM Mar 23, 2024Observed: 1508.7 ft at 8:15PM Mar 23, 2024Observed: 1508.7 ft at 8:30PM Mar 23, 2024Observed: 1508.71 ft at 8:45PM Mar 23, 2024Observed: 1508.72 ft at 9:00PM Mar 23, 2024Observed: 1508.73 ft at 9:15PM Mar 23, 2024Observed: 1508.73 ft at 9:30PM Mar 23, 2024Observed: 1508.74 ft at 9:45PM Mar 23, 2024Observed: 1508.74 ft at 10:00PM Mar 23, 2024Observed: 1508.75 ft at 10:15PM Mar 23, 2024Observed: 1508.76 ft at 10:30PM Mar 23, 2024Observed: 1508.77 ft at 10:45PM Mar 23, 2024Observed: 1508.77 ft at 11:00PM Mar 23, 2024Observed: 1508.77 ft at 11:15PM Mar 23, 2024Observed: 1508.77 ft at 11:30PM Mar 23, 2024Observed: 1508.78 ft at 11:45PM Mar 23, 2024Observed: 1508.78 ft at 12:00AM Mar 24, 2024Observed: 1508.78 ft at 12:15AM Mar 24, 2024Observed: 1508.78 ft at 12:30AM Mar 24, 2024Observed: 1508.78 ft at 12:45AM Mar 24, 2024Observed: 1508.78 ft at 1:00AM Mar 24, 2024Observed: 1508.78 ft at 1:15AM Mar 24, 2024Observed: 1508.78 ft at 1:30AM Mar 24, 2024Observed: 1508.78 ft at 1:45AM Mar 24, 2024Observed: 1508.78 ft at 2:00AM Mar 24, 2024Observed: 1508.78 ft at 2:15AM Mar 24, 2024Observed: 1508.78 ft at 2:30AM Mar 24, 2024Observed: 1508.77 ft at 2:45AM Mar 24, 2024Observed: 1508.77 ft at 3:00AM Mar 24, 2024Observed: 1508.77 ft at 3:15AM Mar 24, 2024Observed: 1508.76 ft at 3:30AM Mar 24, 2024Observed: 1508.76 ft at 3:45AM Mar 24, 2024Observed: 1508.75 ft at 4:00AM Mar 24, 2024Observed: 1508.75 ft at 4:15AM Mar 24, 2024Observed: 1508.74 ft at 4:30AM Mar 24, 2024Observed: 1508.74 ft at 4:45AM Mar 24, 2024Observed: 1508.73 ft at 5:00AM Mar 24, 2024Observed: 1508.71 ft at 5:15AM Mar 24, 2024Observed: 1508.71 ft at 5:30AM Mar 24, 2024Observed: 1508.71 ft at 5:45AM Mar 24, 2024Observed: 1508.69 ft at 6:00AM Mar 24, 2024Observed: 1508.69 ft at 6:15AM Mar 24, 2024Observed: 1508.69 ft at 6:30AM Mar 24, 2024Observed: 1508.69 ft at 6:45AM Mar 24, 2024Observed: 1508.68 ft at 7:00AM Mar 24, 2024Observed: 1508.68 ft at 7:15AM Mar 24, 2024Observed: 1508.67 ft at 7:30AM Mar 24, 2024Observed: 1508.66 ft at 7:45AM Mar 24, 2024Observed: 1508.67 ft at 8:00AM Mar 24, 2024Observed: 1508.66 ft at 8:15AM Mar 24, 2024Observed: 1508.66 ft at 8:30AM Mar 24, 2024Observed: 1508.63 ft at 8:45AM Mar 24, 2024Observed: 1508.63 ft at 9:00AM Mar 24, 2024Observed: 1508.63 ft at 9:15AM Mar 24, 2024Observed: 1508.63 ft at 9:30AM Mar 24, 2024Observed: 1508.62 ft at 9:45AM Mar 24, 2024Observed: 1508.61 ft at 10:00AM Mar 24, 2024Observed: 1508.61 ft at 10:15AM Mar 24, 2024Observed: 1508.62 ft at 10:30AM Mar 24, 2024Observed: 1508.62 ft at 10:45AM Mar 24, 2024Observed: 1508.62 ft at 11:00AM Mar 24, 2024Observed: 1508.62 ft at 11:15AM Mar 24, 2024Observed: 1508.62 ft at 11:30AM Mar 24, 2024Observed: 1508.62 ft at 11:45AM Mar 24, 2024Observed: 1508.62 ft at 12:00PM Mar 24, 2024Observed: 1508.62 ft at 12:15PM Mar 24, 2024Observed: 1508.62 ft at 12:30PM Mar 24, 2024Observed: 1508.62 ft at 12:45PM Mar 24, 2024Observed: 1508.62 ft at 1:00PM Mar 24, 2024Observed: 1508.61 ft at 1:15PM Mar 24, 2024Observed: 1508.61 ft at 1:30PM Mar 24, 2024Observed: 1508.6 ft at 1:45PM Mar 24, 2024Observed: 1508.6 ft at 2:00PM Mar 24, 2024Observed: 1508.59 ft at 2:15PM Mar 24, 2024Observed: 1508.59 ft at 2:30PM Mar 24, 2024Observed: 1508.58 ft at 2:45PM Mar 24, 2024Observed: 1508.57 ft at 3:00PM Mar 24, 2024Observed: 1508.57 ft at 3:15PM Mar 24, 2024Observed: 1508.56 ft at 3:30PM Mar 24, 2024Observed: 1508.56 ft at 3:45PM Mar 24, 2024Observed: 1508.55 ft at 4:00PM Mar 24, 2024Observed: 1508.55 ft at 4:15PM Mar 24, 2024Observed: 1508.55 ft at 4:30PM Mar 24, 2024Observed: 1508.54 ft at 4:45PM Mar 24, 2024Observed: 1508.54 ft at 5:00PM Mar 24, 2024Observed: 1508.53 ft at 5:15PM Mar 24, 2024Observed: 1508.53 ft at 5:30PM Mar 24, 2024Observed: 1508.53 ft at 5:45PM Mar 24, 2024Observed: 1508.53 ft at 6:00PM Mar 24, 2024Observed: 1508.53 ft at 6:15PM Mar 24, 2024Observed: 1508.53 ft at 6:30PM Mar 24, 2024Observed: 1508.53 ft at 6:45PM Mar 24, 2024Observed: 1508.54 ft at 7:00PM Mar 24, 2024Observed: 1508.54 ft at 7:15PM Mar 24, 2024Observed: 1508.54 ft at 7:30PM Mar 24, 2024Observed: 1508.56 ft at 7:45PM Mar 24, 2024Observed: 1508.56 ft at 8:00PM Mar 24, 2024Observed: 1508.57 ft at 8:15PM Mar 24, 2024Observed: 1508.59 ft at 8:30PM Mar 24, 2024Observed: 1508.61 ft at 8:45PM Mar 24, 2024Observed: 1508.62 ft at 9:00PM Mar 24, 2024Observed: 1508.64 ft at 9:15PM Mar 24, 2024Observed: 1508.64 ft at 9:30PM Mar 24, 2024Observed: 1508.66 ft at 9:45PM Mar 24, 2024Observed: 1508.68 ft at 10:00PM Mar 24, 2024Observed: 1508.7 ft at 10:15PM Mar 24, 2024Observed: 1508.7 ft at 10:30PM Mar 24, 2024Observed: 1508.72 ft at 10:45PM Mar 24, 2024Observed: 1508.73 ft at 11:00PM Mar 24, 2024Observed: 1508.74 ft at 11:15PM Mar 24, 2024Observed: 1508.75 ft at 11:30PM Mar 24, 2024Observed: 1508.76 ft at 11:45PM Mar 24, 2024Observed: 1508.76 ft at 12:00AM Mar 25, 2024Observed: 1508.76 ft at 12:15AM Mar 25, 2024Observed: 1508.77 ft at 12:30AM Mar 25, 2024Observed: 1508.77 ft at 12:45AM Mar 25, 2024Observed: 1508.77 ft at 1:00AM Mar 25, 2024Observed: 1508.77 ft at 1:15AM Mar 25, 2024Observed: 1508.77 ft at 1:30AM Mar 25, 2024Observed: 1508.8 ft at 1:45AM Mar 25, 2024Observed: 1508.81 ft at 2:00AM Mar 25, 2024Observed: 1508.82 ft at 2:15AM Mar 25, 2024Observed: 1508.82 ft at 2:30AM Mar 25, 2024Observed: 1508.82 ft at 2:45AM Mar 25, 2024Observed: 1508.83 ft at 3:00AM Mar 25, 2024Observed: 1508.84 ft at 3:15AM Mar 25, 2024Observed: 1508.85 ft at 3:30AM Mar 25, 2024Observed: 1508.86 ft at 3:45AM Mar 25, 2024Observed: 1508.88 ft at 4:00AM Mar 25, 2024Observed: 1508.95 ft at 4:15AM Mar 25, 2024Observed: 1509.09 ft at 4:30AM Mar 25, 2024Observed: 1509.22 ft at 4:45AM Mar 25, 2024Observed: 1509.32 ft at 5:00AM Mar 25, 2024Observed: 1509.41 ft at 5:15AM Mar 25, 2024Observed: 1509.5 ft at 5:30AM Mar 25, 2024Observed: 1509.57 ft at 5:45AM Mar 25, 2024Observed: 1509.63 ft at 6:00AM Mar 25, 2024Observed: 1509.7 ft at 6:15AM Mar 25, 2024Observed: 1509.74 ft at 6:30AM Mar 25, 2024Observed: 1509.79 ft at 6:45AM Mar 25, 2024Observed: 1509.85 ft at 7:00AM Mar 25, 2024Observed: 1509.9 ft at 7:15AM Mar 25, 2024Observed: 1509.92 ft at 7:30AM Mar 25, 2024Observed: 1509.97 ft at 7:45AM Mar 25, 2024Observed: 1509.96 ft at 8:00AM Mar 25, 2024Observed: 1509.97 ft at 8:15AM Mar 25, 2024Observed: 1510.01 ft at 8:30AM Mar 25, 2024Observed: 1509.97 ft at 8:45AM Mar 25, 2024Observed: 1509.99 ft at 9:00AM Mar 25, 2024Observed: 1510 ft at 9:15AM Mar 25, 2024Observed: 1510.02 ft at 9:30AM Mar 25, 2024Observed: 1510.02 ft at 9:45AM Mar 25, 2024Observed: 1510.02 ft at 10:00AM Mar 25, 2024Observed: 1510.02 ft at 10:15AM Mar 25, 2024Observed: 1510.01 ft at 10:30AM Mar 25, 2024Observed: 1509.99 ft at 10:45AM Mar 25, 2024Observed: 1509.96 ft at 11:00AM Mar 25, 2024Observed: 1509.94 ft at 11:15AM Mar 25, 2024Observed: 1509.96 ft at 11:30AM Mar 25, 2024Observed: 1509.97 ft at 11:45AM Mar 25, 2024Observed: 1509.98 ft at 12:00PM Mar 25, 2024Observed: 1510.01 ft at 12:15PM Mar 25, 2024Observed: 1510.02 ft at 12:30PM Mar 25, 2024Highest Observation: 1510.08 ft at 12:45PM Mar 25, 2024Observed: 1510.07 ft at 1:00PM Mar 25, 2024Observed: 1510.05 ft at 1:15PM Mar 25, 2024Observed: 1510.07 ft at 1:30PM Mar 25, 2024Observed: 1510.04 ft at 1:45PM Mar 25, 2024Observed: 1510.04 ft at 2:00PM Mar 25, 2024Observed: 1510.03 ft at 2:15PM Mar 25, 2024Observed: 1510.04 ft at 2:30PM Mar 25, 2024Observed: 1510.01 ft at 2:45PM Mar 25, 2024Observed: 1510 ft at 3:00PM Mar 25, 2024Observed: 1509.98 ft at 3:15PM Mar 25, 2024Observed: 1509.95 ft at 3:30PM Mar 25, 2024Observed: 1509.92 ft at 3:45PM Mar 25, 2024Observed: 1509.9 ft at 4:00PM Mar 25, 2024Observed: 1509.84 ft at 4:15PM Mar 25, 2024Observed: 1509.81 ft at 4:30PM Mar 25, 2024Observed: 1509.76 ft at 4:45PM Mar 25, 2024Observed: 1509.71 ft at 5:00PM Mar 25, 2024Observed: 1509.71 ft at 5:15PM Mar 25, 2024Observed: 1509.66 ft at 5:30PM Mar 25, 2024Observed: 1509.6 ft at 5:45PM Mar 25, 2024Observed: 1509.57 ft at 6:00PM Mar 25, 2024Observed: 1509.54 ft at 6:15PM Mar 25, 2024Observed: 1509.51 ft at 6:30PM Mar 25, 2024Observed: 1509.48 ft at 6:45PM Mar 25, 2024Observed: 1509.47 ft at 7:00PM Mar 25, 2024Observed: 1509.48 ft at 7:15PM Mar 25, 2024Observed: 1509.44 ft at 7:30PM Mar 25, 2024Observed: 1509.43 ft at 7:45PM Mar 25, 2024Observed: 1509.41 ft at 8:00PM Mar 25, 2024Observed: 1509.38 ft at 8:15PM Mar 25, 2024Observed: 1509.35 ft at 8:30PM Mar 25, 2024Observed: 1509.3 ft at 8:45PM Mar 25, 2024Observed: 1509.27 ft at 9:00PM Mar 25, 2024Observed: 1509.22 ft at 9:15PM Mar 25, 2024Observed: 1509.14 ft at 9:30PM Mar 25, 2024Observed: 1509.07 ft at 9:45PM Mar 25, 2024Observed: 1509.02 ft at 10:00PM Mar 25, 2024Observed: 1508.97 ft at 10:15PM Mar 25, 2024Observed: 1508.93 ft at 10:30PM Mar 25, 2024Observed: 1508.87 ft at 10:45PM Mar 25, 2024Observed: 1508.85 ft at 11:00PM Mar 25, 2024Observed: 1508.79 ft at 11:15PM Mar 25, 2024Observed: 1508.76 ft at 11:30PM Mar 25, 2024Observed: 1508.74 ft at 11:45PM Mar 25, 2024Observed: 1508.72 ft at 12:00AM Mar 26, 2024Observed: 1508.71 ft at 12:15AM Mar 26, 2024Observed: 1508.7 ft at 12:30AM Mar 26, 2024Observed: 1508.67 ft at 12:45AM Mar 26, 2024Observed: 1508.66 ft at 1:00AM Mar 26, 2024Observed: 1508.65 ft at 1:15AM Mar 26, 2024Observed: 1508.63 ft at 1:30AM Mar 26, 2024Observed: 1508.6 ft at 1:45AM Mar 26, 2024Observed: 1508.61 ft at 2:00AM Mar 26, 2024Observed: 1508.62 ft at 2:15AM Mar 26, 2024Observed: 1508.62 ft at 2:30AM Mar 26, 2024Observed: 1508.64 ft at 2:45AM Mar 26, 2024Observed: 1508.65 ft at 3:00AM Mar 26, 2024Observed: 1508.66 ft at 3:15AM Mar 26, 2024Observed: 1508.68 ft at 3:30AM Mar 26, 2024Observed: 1508.68 ft at 3:45AM Mar 26, 2024Observed: 1508.69 ft at 4:00AM Mar 26, 2024Observed: 1508.71 ft at 4:15AM Mar 26, 2024Observed: 1508.71 ft at 4:30AM Mar 26, 2024Observed: 1508.72 ft at 4:45AM Mar 26, 2024Observed: 1508.73 ft at 5:00AM Mar 26, 2024Observed: 1508.74 ft at 5:15AM Mar 26, 2024Observed: 1508.74 ft at 5:30AM Mar 26, 2024Observed: 1508.75 ft at 5:45AM Mar 26, 2024Observed: 1508.76 ft at 6:00AM Mar 26, 2024Observed: 1508.77 ft at 6:15AM Mar 26, 2024Observed: 1508.81 ft at 6:30AM Mar 26, 2024Observed: 1508.85 ft at 6:45AM Mar 26, 2024Observed: 1508.91 ft at 7:00AM Mar 26, 2024Observed: 1508.95 ft at 7:15AM Mar 26, 2024Observed: 1509.01 ft at 7:30AM Mar 26, 2024Observed: 1509.07 ft at 7:45AM Mar 26, 2024Observed: 1509.09 ft at 8:00AM Mar 26, 2024Observed: 1509.1 ft at 8:15AM Mar 26, 2024Observed: 1509.12 ft at 8:30AM Mar 26, 2024Observed: 1509.15 ft at 8:45AM Mar 26, 2024Observed: 1509.12 ft at 9:00AM Mar 26, 2024Observed: 1509.17 ft at 9:15AM Mar 26, 2024Observed: 1509.19 ft at 9:30AM Mar 26, 2024Observed: 1509.2 ft at 9:45AM Mar 26, 2024Observed: 1509.2 ft at 10:00AM Mar 26, 2024Observed: 1509.2 ft at 10:15AM Mar 26, 2024Observed: 1509.2 ft at 10:30AM Mar 26, 2024Observed: 1509.22 ft at 10:45AM Mar 26, 2024Observed: 1509.2 ft at 11:00AM Mar 26, 2024Observed: 1509.19 ft at 11:15AM Mar 26, 2024Observed: 1509.16 ft at 11:30AM Mar 26, 2024Observed: 1509.13 ft at 11:45AM Mar 26, 2024Observed: 1509.12 ft at 12:00PM Mar 26, 2024Observed: 1509.08 ft at 12:15PM Mar 26, 2024Observed: 1509.05 ft at 12:30PM Mar 26, 2024Observed: 1509.03 ft at 12:45PM Mar 26, 2024Observed: 1509.04 ft at 1:00PM Mar 26, 2024Observed: 1509.02 ft at 1:15PM Mar 26, 2024Observed: 1509.02 ft at 1:30PM Mar 26, 2024Observed: 1509.09 ft at 1:45PM Mar 26, 2024Observed: 1509.09 ft at 2:00PM Mar 26, 2024Observed: 1509.06 ft at 2:15PM Mar 26, 2024Observed: 1509.03 ft at 2:30PM Mar 26, 2024Observed: 1508.99 ft at 2:45PM Mar 26, 2024Observed: 1508.96 ft at 3:00PM Mar 26, 2024Observed: 1508.92 ft at 3:15PM Mar 26, 2024Observed: 1508.88 ft at 3:30PM Mar 26, 2024Observed: 1508.82 ft at 3:45PM Mar 26, 2024Observed: 1508.76 ft at 4:00PM Mar 26, 2024Observed: 1508.7 ft at 4:15PM Mar 26, 2024Observed: 1508.65 ft at 4:30PM Mar 26, 2024Observed: 1508.61 ft at 4:45PM Mar 26, 2024Observed: 1508.56 ft at 5:00PM Mar 26, 2024Observed: 1508.52 ft at 5:15PM Mar 26, 2024Observed: 1508.5 ft at 5:30PM Mar 26, 2024Observed: 1508.46 ft at 5:45PM Mar 26, 2024Observed: 1508.43 ft at 6:00PM Mar 26, 2024Observed: 1508.43 ft at 6:15PM Mar 26, 2024Observed: 1508.42 ft at 6:30PM Mar 26, 2024Observed: 1508.42 ft at 6:45PM Mar 26, 2024Observed: 1508.41 ft at 7:00PM Mar 26, 2024Observed: 1508.42 ft at 7:15PM Mar 26, 2024Observed: 1508.43 ft at 7:30PM Mar 26, 2024Observed: 1508.44 ft at 7:45PM Mar 26, 2024Observed: 1508.46 ft at 8:00PM Mar 26, 2024Observed: 1508.47 ft at 8:15PM Mar 26, 2024Observed: 1508.49 ft at 8:30PM Mar 26, 2024Observed: 1508.5 ft at 8:45PM Mar 26, 2024Observed: 1508.52 ft at 9:00PM Mar 26, 2024Observed: 1508.53 ft at 9:15PM Mar 26, 2024Observed: 1508.54 ft at 9:30PM Mar 26, 2024Observed: 1508.54 ft at 9:45PM Mar 26, 2024Observed: 1508.55 ft at 10:00PM Mar 26, 2024Observed: 1508.55 ft at 10:15PM Mar 26, 2024Observed: 1508.55 ft at 10:30PM Mar 26, 2024Observed: 1508.55 ft at 10:45PM Mar 26, 2024Observed: 1508.56 ft at 11:00PM Mar 26, 2024Observed: 1508.55 ft at 11:15PM Mar 26, 2024Observed: 1508.56 ft at 11:30PM Mar 26, 2024Observed: 1508.56 ft at 11:45PM Mar 26, 2024Observed: 1508.55 ft at 12:00AM Mar 27, 2024Observed: 1508.56 ft at 12:15AM Mar 27, 2024Observed: 1508.55 ft at 12:30AM Mar 27, 2024Observed: 1508.55 ft at 12:45AM Mar 27, 2024Observed: 1508.55 ft at 1:00AM Mar 27, 2024Observed: 1508.54 ft at 1:15AM Mar 27, 2024Observed: 1508.53 ft at 1:30AM Mar 27, 2024Observed: 1508.52 ft at 1:45AM Mar 27, 2024Observed: 1508.51 ft at 2:00AM Mar 27, 2024Observed: 1508.51 ft at 2:15AM Mar 27, 2024Observed: 1508.51 ft at 2:30AM Mar 27, 2024Observed: 1508.51 ft at 2:45AM Mar 27, 2024Observed: 1508.51 ft at 3:00AM Mar 27, 2024Observed: 1508.5 ft at 3:15AM Mar 27, 2024Observed: 1508.49 ft at 3:30AM Mar 27, 2024Observed: 1508.49 ft at 3:45AM Mar 27, 2024Observed: 1508.47 ft at 4:00AM Mar 27, 2024Observed: 1508.46 ft at 4:15AM Mar 27, 2024Observed: 1508.44 ft at 4:30AM Mar 27, 2024Observed: 1508.45 ft at 4:45AM Mar 27, 2024Observed: 1508.48 ft at 5:00AM Mar 27, 2024Observed: 1508.48 ft at 5:15AM Mar 27, 2024Observed: 1508.49 ft at 5:30AM Mar 27, 2024Observed: 1508.52 ft at 5:45AM Mar 27, 2024Observed: 1508.54 ft at 6:00AM Mar 27, 2024Observed: 1508.57 ft at 6:15AM Mar 27, 2024Observed: 1508.6 ft at 6:30AM Mar 27, 2024Observed: 1508.59 ft at 6:45AM Mar 27, 2024Observed: 1508.63 ft at 7:00AM Mar 27, 2024Observed: 1508.67 ft at 7:15AM Mar 27, 2024Observed: 1508.66 ft at 7:30AM Mar 27, 2024Observed: 1508.65 ft at 7:45AM Mar 27, 2024Observed: 1508.65 ft at 8:00AM Mar 27, 2024Observed: 1508.91 ft at 8:15AM Mar 27, 2024Observed: 1508.87 ft at 8:30AM Mar 27, 2024Observed: 1508.74 ft at 8:45AM Mar 27, 2024Observed: 1508.73 ft at 9:00AM Mar 27, 2024Observed: 1508.74 ft at 9:15AM Mar 27, 2024Observed: 1508.77 ft at 9:30AM Mar 27, 2024Observed: 1508.81 ft at 9:45AM Mar 27, 2024Observed: 1509.1 ft at 10:00AM Mar 27, 2024Observed: 1509.05 ft at 10:30AM Mar 27, 2024Observed: 1509.08 ft at 10:45AM Mar 27, 2024Observed: 1509.09 ft at 11:00AM Mar 27, 2024Observed: 1509.1 ft at 11:15AM Mar 27, 2024Observed: 1509.11 ft at 11:30AM Mar 27, 2024Observed: 1509.11 ft at 11:45AM Mar 27, 2024Observed: 1509.1 ft at 12:00PM Mar 27, 2024Observed: 1509.12 ft at 12:15PM Mar 27, 2024Observed: 1509.1 ft at 12:30PM Mar 27, 2024Observed: 1509.08 ft at 12:45PM Mar 27, 2024Observed: 1509.08 ft at 1:00PM Mar 27, 2024Observed: 1509.06 ft at 1:15PM Mar 27, 2024Observed: 1509.04 ft at 1:30PM Mar 27, 2024Observed: 1509.02 ft at 1:45PM Mar 27, 2024Observed: 1508.99 ft at 2:00PM Mar 27, 2024Observed: 1508.96 ft at 2:15PM Mar 27, 2024Observed: 1508.93 ft at 2:30PM Mar 27, 2024Observed: 1508.89 ft at 2:45PM Mar 27, 2024Observed: 1508.86 ft at 3:00PM Mar 27, 2024Observed: 1508.82 ft at 3:15PM Mar 27, 2024Observed: 1508.79 ft at 3:30PM Mar 27, 2024Observed: 1508.78 ft at 3:45PM Mar 27, 2024Observed: 1508.75 ft at 4:00PM Mar 27, 2024Observed: 1508.73 ft at 4:15PM Mar 27, 2024Observed: 1508.71 ft at 4:30PM Mar 27, 2024Observed: 1508.7 ft at 4:45PM Mar 27, 2024Observed: 1508.68 ft at 5:00PM Mar 27, 2024Observed: 1508.68 ft at 5:15PM Mar 27, 2024Observed: 1508.68 ft at 5:30PM Mar 27, 2024Observed: 1508.68 ft at 5:45PM Mar 27, 2024Observed: 1508.68 ft at 6:00PM Mar 27, 2024Observed: 1508.68 ft at 6:15PM Mar 27, 2024Observed: 1508.69 ft at 6:30PM Mar 27, 2024Observed: 1508.69 ft at 6:45PM Mar 27, 2024Observed: 1508.7 ft at 7:00PM Mar 27, 2024Observed: 1508.7 ft at 7:15PM Mar 27, 2024Observed: 1508.7 ft at 7:30PM Mar 27, 2024Observed: 1508.7 ft at 7:45PM Mar 27, 2024Observed: 1508.7 ft at 8:00PM Mar 27, 2024Observed: 1508.7 ft at 8:15PM Mar 27, 2024Observed: 1508.7 ft at 8:30PM Mar 27, 2024Observed: 1508.7 ft at 8:45PM Mar 27, 2024Observed: 1508.7 ft at 9:00PM Mar 27, 2024Observed: 1508.7 ft at 9:15PM Mar 27, 2024Observed: 1508.7 ft at 9:30PM Mar 27, 2024Observed: 1508.69 ft at 9:45PM Mar 27, 2024Observed: 1508.7 ft at 10:00PM Mar 27, 2024Observed: 1508.7 ft at 10:15PM Mar 27, 2024Observed: 1508.7 ft at 10:30PM Mar 27, 2024Observed: 1508.7 ft at 10:45PM Mar 27, 2024Observed: 1508.71 ft at 11:00PM Mar 27, 2024Observed: 1508.71 ft at 11:15PM Mar 27, 2024Observed: 1508.72 ft at 11:30PM Mar 27, 2024Observed: 1508.73 ft at 11:45PM Mar 27, 2024Observed: 1508.74 ft at 12:00AM Mar 28, 2024Observed: 1508.75 ft at 12:15AM Mar 28, 2024Observed: 1508.76 ft at 12:30AM Mar 28, 2024Observed: 1508.77 ft at 12:45AM Mar 28, 2024Observed: 1508.78 ft at 1:00AM Mar 28, 2024Observed: 1508.79 ft at 1:15AM Mar 28, 2024Observed: 1508.8 ft at 1:30AM Mar 28, 2024Observed: 1508.81 ft at 1:45AM Mar 28, 2024Observed: 1508.82 ft at 2:00AM Mar 28, 2024Observed: 1508.82 ft at 2:15AM Mar 28, 2024Observed: 1508.82 ft at 2:30AM Mar 28, 2024Observed: 1508.83 ft at 2:45AM Mar 28, 2024Observed: 1508.83 ft at 3:00AM Mar 28, 2024Observed: 1508.82 ft at 3:15AM Mar 28, 2024Observed: 1508.82 ft at 3:30AM Mar 28, 2024Observed: 1508.81 ft at 3:45AM Mar 28, 2024Observed: 1508.8 ft at 4:00AM Mar 28, 2024Observed: 1508.8 ft at 4:15AM Mar 28, 2024Observed: 1508.79 ft at 4:30AM Mar 28, 2024Observed: 1508.79 ft at 4:45AM Mar 28, 2024Observed: 1508.78 ft at 5:00AM Mar 28, 2024Observed: 1508.78 ft at 5:15AM Mar 28, 2024Observed: 1508.77 ft at 5:30AM Mar 28, 2024Observed: 1508.77 ft at 5:45AM Mar 28, 2024Observed: 1508.77 ft at 6:00AM Mar 28, 2024Observed: 1508.76 ft at 6:15AM Mar 28, 2024Observed: 1508.76 ft at 6:30AM Mar 28, 2024Observed: 1508.76 ft at 6:45AM Mar 28, 2024Observed: 1508.75 ft at 7:00AM Mar 28, 2024Observed: 1508.73 ft at 7:15AM Mar 28, 2024Observed: 1508.72 ft at 7:30AM Mar 28, 2024Observed: 1508.7 ft at 7:45AM Mar 28, 2024Observed: 1508.68 ft at 8:00AM Mar 28, 2024Observed: 1508.67 ft at 8:15AM Mar 28, 2024Observed: 1508.67 ft at 8:30AM Mar 28, 2024Observed: 1508.66 ft at 8:45AM Mar 28, 2024Observed: 1508.66 ft at 9:00AM Mar 28, 2024Observed: 1508.64 ft at 9:15AM Mar 28, 2024Observed: 1508.63 ft at 9:30AM Mar 28, 2024Observed: 1508.64 ft at 9:45AM Mar 28, 2024Observed: 1508.63 ft at 10:00AM Mar 28, 2024South Dakota DANREGAS2(plotting HGIRG) Graph Created (10:34AM Mar 28, 2024)ObservedLatest observed value: 1508.63 ft at 10:00 AM CDT 28-Mar-2024. Flood Stage is 1516.5 ft
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About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: No forecasts are available for this location

NOTE: Gauge reading may be affected by ice.

NOTE: Forecasts are not available for the Big Sioux River near Egan. Only observed stages are available for this point.

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Upstream Gauge - above Flandreau Upstream Gauge Downstream Gauge Downstream Gauge - at Trent
Flood Categories (in feet)
Major Flood Stage: 1521
Moderate Flood Stage: 1519
Flood Stage: 1516.5
Action Stage: 1515
Low Stage (in feet): -9999

Historic Crests
(1) 1,524.20 ft on 09/12/2019
(2) 1,522.48 ft on 03/23/2019
(3) 1,520.30 ft on 04/26/2018
(4) 1,518.60 ft on 04/24/2018
(5) 1,517.64 ft on 03/13/2020
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 1,517.09 ft on 04/15/2023
(2) 1,517.64 ft on 03/13/2020
(3) 1,524.20 ft on 09/12/2019
(4) 1,522.48 ft on 03/23/2019
(5) 1,520.30 ft on 04/26/2018
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:16
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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
1527 the bridge on 478th Avenue is overtopped.
1524 The bridge on 2nd Street is overtopped.
1523 The brige on Highway 34 is overtopped, and water reaches the bottom of the bridge on 478th Avenue.
1522 Water reaches the bottom of the brige on 2nd Street and the ballfield at Egan Park floods.
1521 Highway 34 begins to flood, and 478th Avenue north of the bridge begins to flood.
1519 Water is across the road on both sides of the bridge by the Egan Park, and water reaches the bottom of the bridge on Highway 34.
1517.5 City park in Egan begins to flood
1516.5 Flooding begins to affect agricultural lands around Egan.
1515 The lowest banks overflow near Highway 34 and also near 479th Avenue.
Photos
(1) Downstream View (8/17/2023)
(2) Upstream View (8/17/2023)
About This Location Collapse

Latitude: 44.007222° N, Longitude: 96.629167° W, Horizontal Datum: NAD27

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 1516.5 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 0.00 1516.50 Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  
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Hydrologic Resources Additional Resources
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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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Page last modified: 2-Nov-2020 7:29 PM
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