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Hydrograph River at a Glance Download
Big Sioux River near Estelline Stage (ft)Flow (cfs)Observed: 1642.05 ft at 7:00PM Apr 09, 2021Observed: 1642.05 ft at 7:15PM Apr 09, 2021Observed: 1642.06 ft at 7:30PM Apr 09, 2021Observed: 1642.06 ft at 7:45PM Apr 09, 2021Observed: 1642.06 ft at 8:00PM Apr 09, 2021Observed: 1642.06 ft at 8:15PM Apr 09, 2021Observed: 1642.06 ft at 8:30PM Apr 09, 2021Observed: 1642.06 ft at 8:45PM Apr 09, 2021Observed: 1642.05 ft at 9:00PM Apr 09, 2021Observed: 1642.06 ft at 9:15PM Apr 09, 2021Observed: 1642.07 ft at 9:30PM Apr 09, 2021Observed: 1642.08 ft at 9:45PM Apr 09, 2021Observed: 1642.08 ft at 10:00PM Apr 09, 2021Observed: 1642.08 ft at 10:15PM Apr 09, 2021Observed: 1642.08 ft at 10:30PM Apr 09, 2021Observed: 1642.08 ft at 10:45PM Apr 09, 2021Observed: 1642.09 ft at 11:00PM Apr 09, 2021Observed: 1642.09 ft at 11:15PM Apr 09, 2021Observed: 1642.09 ft at 11:30PM Apr 09, 2021Observed: 1642.1 ft at 11:45PM Apr 09, 2021Observed: 1642.09 ft at 12:00AM Apr 10, 2021Observed: 1642.09 ft at 12:15AM Apr 10, 2021Observed: 1642.09 ft at 12:30AM Apr 10, 2021Observed: 1642.09 ft at 12:45AM Apr 10, 2021Observed: 1642.1 ft at 1:00AM Apr 10, 2021Observed: 1642.1 ft at 1:15AM Apr 10, 2021Observed: 1642.1 ft at 1:30AM Apr 10, 2021Observed: 1642.1 ft at 1:45AM Apr 10, 2021Observed: 1642.1 ft at 2:00AM Apr 10, 2021Observed: 1642.11 ft at 2:15AM Apr 10, 2021Highest Observation: 1642.12 ft at 2:30AM Apr 10, 2021Observed: 1642.1 ft at 2:45AM Apr 10, 2021Observed: 1642.11 ft at 3:00AM Apr 10, 2021Observed: 1642.1 ft at 3:15AM Apr 10, 2021Observed: 1642.11 ft at 3:30AM Apr 10, 2021Observed: 1642.11 ft at 3:45AM Apr 10, 2021Observed: 1642.1 ft at 4:00AM Apr 10, 2021Observed: 1642.1 ft at 4:15AM Apr 10, 2021Observed: 1642.11 ft at 4:30AM Apr 10, 2021Observed: 1642.11 ft at 4:45AM Apr 10, 2021Observed: 1642.11 ft at 5:00AM Apr 10, 2021Observed: 1642.1 ft at 5:15AM Apr 10, 2021Observed: 1642.1 ft at 5:30AM Apr 10, 2021Observed: 1642.1 ft at 5:45AM Apr 10, 2021Observed: 1642.11 ft at 6:00AM Apr 10, 2021Observed: 1642.1 ft at 6:15AM Apr 10, 2021Observed: 1642.09 ft at 6:30AM Apr 10, 2021Observed: 1642.09 ft at 6:45AM Apr 10, 2021Observed: 1642.09 ft at 7:00AM Apr 10, 2021Observed: 1642.08 ft at 7:15AM Apr 10, 2021Observed: 1642.08 ft at 7:30AM Apr 10, 2021Observed: 1642.09 ft at 7:45AM Apr 10, 2021Observed: 1642.08 ft at 8:00AM Apr 10, 2021Observed: 1642.08 ft at 8:15AM Apr 10, 2021Observed: 1642.09 ft at 8:30AM Apr 10, 2021Observed: 1642.09 ft at 8:45AM Apr 10, 2021Observed: 1642.09 ft at 9:00AM Apr 10, 2021Observed: 1642.08 ft at 9:15AM Apr 10, 2021Observed: 1642.09 ft at 9:30AM Apr 10, 2021Observed: 1642.1 ft at 9:45AM Apr 10, 2021Observed: 1642.1 ft at 10:00AM Apr 10, 2021Observed: 1642.09 ft at 10:15AM Apr 10, 2021Observed: 1642.1 ft at 10:30AM Apr 10, 2021Observed: 1642.09 ft at 10:45AM Apr 10, 2021Observed: 1642.09 ft at 11:00AM Apr 10, 2021Observed: 1642.1 ft at 11:15AM Apr 10, 2021Observed: 1642.09 ft at 11:30AM Apr 10, 2021Observed: 1642.09 ft at 11:45AM Apr 10, 2021Observed: 1642.09 ft at 12:00PM Apr 10, 2021Observed: 1642.07 ft at 12:15PM Apr 10, 2021Observed: 1642.09 ft at 12:30PM Apr 10, 2021Observed: 1642.07 ft at 12:45PM Apr 10, 2021Observed: 1642.08 ft at 1:00PM Apr 10, 2021Observed: 1642.06 ft at 1:15PM Apr 10, 2021Observed: 1642.08 ft at 1:30PM Apr 10, 2021Observed: 1642.08 ft at 1:45PM Apr 10, 2021Observed: 1642.07 ft at 2:00PM Apr 10, 2021Observed: 1642.07 ft at 2:15PM Apr 10, 2021Observed: 1642.07 ft at 2:30PM Apr 10, 2021Observed: 1642.08 ft at 2:45PM Apr 10, 2021Observed: 1642.07 ft at 3:00PM Apr 10, 2021Observed: 1642.07 ft at 3:15PM Apr 10, 2021Observed: 1642.07 ft at 3:30PM Apr 10, 2021Observed: 1642.06 ft at 3:45PM Apr 10, 2021Observed: 1642.06 ft at 4:00PM Apr 10, 2021Observed: 1642.07 ft at 4:15PM Apr 10, 2021Observed: 1642.07 ft at 4:30PM Apr 10, 2021Observed: 1642.05 ft at 4:45PM Apr 10, 2021Observed: 1642.06 ft at 5:00PM Apr 10, 2021Observed: 1642.06 ft at 5:15PM Apr 10, 2021Observed: 1642.05 ft at 5:30PM Apr 10, 2021Observed: 1642.07 ft at 5:45PM Apr 10, 2021Observed: 1642.05 ft at 6:00PM Apr 10, 2021Observed: 1642.07 ft at 6:15PM Apr 10, 2021Observed: 1642.06 ft at 6:30PM Apr 10, 2021Observed: 1642.05 ft at 6:45PM Apr 10, 2021Observed: 1642.06 ft at 7:00PM Apr 10, 2021Observed: 1642.06 ft at 7:15PM Apr 10, 2021Observed: 1642.05 ft at 7:30PM Apr 10, 2021Observed: 1642.05 ft at 7:45PM Apr 10, 2021Observed: 1642.04 ft at 8:00PM Apr 10, 2021Observed: 1642.04 ft at 8:15PM Apr 10, 2021Observed: 1642.04 ft at 8:30PM Apr 10, 2021Observed: 1642.04 ft at 8:45PM Apr 10, 2021Observed: 1642.04 ft at 9:00PM Apr 10, 2021Observed: 1642.03 ft at 10:15PM Apr 10, 2021Observed: 1642.04 ft at 10:30PM Apr 10, 2021Observed: 1642.04 ft at 10:45PM Apr 10, 2021Observed: 1642.04 ft at 11:00PM Apr 10, 2021Observed: 1642.04 ft at 11:15PM Apr 10, 2021Observed: 1642.03 ft at 11:30PM Apr 10, 2021Observed: 1642.03 ft at 11:45PM Apr 10, 2021Observed: 1642.03 ft at 12:00AM Apr 11, 2021Observed: 1642.04 ft at 12:15AM Apr 11, 2021Observed: 1642.03 ft at 12:30AM Apr 11, 2021Observed: 1642.03 ft at 12:45AM Apr 11, 2021Observed: 1642.04 ft at 1:00AM Apr 11, 2021Observed: 1642.02 ft at 1:15AM Apr 11, 2021Observed: 1642.03 ft at 1:30AM Apr 11, 2021Observed: 1642.04 ft at 1:45AM Apr 11, 2021Observed: 1642.03 ft at 2:00AM Apr 11, 2021Observed: 1642.04 ft at 2:15AM Apr 11, 2021Observed: 1642.03 ft at 2:30AM Apr 11, 2021Observed: 1642.04 ft at 2:45AM Apr 11, 2021Observed: 1642.03 ft at 3:00AM Apr 11, 2021Observed: 1642.03 ft at 3:15AM Apr 11, 2021Observed: 1642.04 ft at 3:30AM Apr 11, 2021Observed: 1642.03 ft at 3:45AM Apr 11, 2021Observed: 1642.03 ft at 4:00AM Apr 11, 2021Observed: 1642.04 ft at 4:15AM Apr 11, 2021Observed: 1642.04 ft at 4:30AM Apr 11, 2021Observed: 1642.03 ft at 4:45AM Apr 11, 2021Observed: 1642.02 ft at 5:00AM Apr 11, 2021Observed: 1642.03 ft at 5:15AM Apr 11, 2021Observed: 1642.02 ft at 5:30AM Apr 11, 2021Observed: 1642.03 ft at 5:45AM Apr 11, 2021Observed: 1642.03 ft at 6:00AM Apr 11, 2021Observed: 1642.02 ft at 6:15AM Apr 11, 2021Observed: 1642.02 ft at 6:30AM Apr 11, 2021Observed: 1642.02 ft at 6:45AM Apr 11, 2021Observed: 1642.01 ft at 7:00AM Apr 11, 2021Observed: 1642.02 ft at 7:15AM Apr 11, 2021Observed: 1642.01 ft at 7:30AM Apr 11, 2021Observed: 1642.01 ft at 7:45AM Apr 11, 2021Observed: 1642 ft at 8:00AM Apr 11, 2021Observed: 1642 ft at 8:15AM Apr 11, 2021Observed: 1642 ft at 8:30AM Apr 11, 2021Observed: 1642.01 ft at 8:45AM Apr 11, 2021Observed: 1642.01 ft at 9:00AM Apr 11, 2021Observed: 1642.01 ft at 9:15AM Apr 11, 2021Observed: 1642.02 ft at 9:30AM Apr 11, 2021Observed: 1642.03 ft at 9:45AM Apr 11, 2021Observed: 1642.02 ft at 10:00AM Apr 11, 2021Observed: 1642.03 ft at 10:15AM Apr 11, 2021Observed: 1642.02 ft at 10:30AM Apr 11, 2021Observed: 1642.02 ft at 10:45AM Apr 11, 2021Observed: 1642.02 ft at 11:00AM Apr 11, 2021Observed: 1642.03 ft at 11:15AM Apr 11, 2021Observed: 1642.03 ft at 11:30AM Apr 11, 2021Observed: 1642.03 ft at 11:45AM Apr 11, 2021Observed: 1642.02 ft at 12:00PM Apr 11, 2021Observed: 1642.03 ft at 12:15PM Apr 11, 2021Observed: 1642.02 ft at 12:30PM Apr 11, 2021Observed: 1642.02 ft at 12:45PM Apr 11, 2021Observed: 1642.01 ft at 1:00PM Apr 11, 2021Observed: 1642.01 ft at 1:15PM Apr 11, 2021Observed: 1642 ft at 1:30PM Apr 11, 2021Observed: 1641.99 ft at 1:45PM Apr 11, 2021Observed: 1642.01 ft at 2:00PM Apr 11, 2021Observed: 1642 ft at 2:15PM Apr 11, 2021Observed: 1641.98 ft at 2:30PM Apr 11, 2021Observed: 1641.98 ft at 2:45PM Apr 11, 2021Observed: 1641.97 ft at 3:00PM Apr 11, 2021Observed: 1641.96 ft at 3:15PM Apr 11, 2021Observed: 1641.97 ft at 3:30PM Apr 11, 2021Observed: 1641.96 ft at 3:45PM Apr 11, 2021Observed: 1641.97 ft at 4:00PM Apr 11, 2021Observed: 1641.96 ft at 4:15PM Apr 11, 2021Observed: 1641.96 ft at 4:30PM Apr 11, 2021Observed: 1641.94 ft at 4:45PM Apr 11, 2021Observed: 1641.94 ft at 5:00PM Apr 11, 2021Observed: 1641.94 ft at 5:15PM Apr 11, 2021Observed: 1641.95 ft at 5:30PM Apr 11, 2021Observed: 1641.95 ft at 5:45PM Apr 11, 2021Observed: 1641.94 ft at 6:00PM Apr 11, 2021Observed: 1641.92 ft at 6:15PM Apr 11, 2021Observed: 1641.91 ft at 6:30PM Apr 11, 2021Observed: 1641.91 ft at 6:45PM Apr 11, 2021Observed: 1641.9 ft at 7:00PM Apr 11, 2021Observed: 1641.9 ft at 7:15PM Apr 11, 2021Observed: 1641.88 ft at 7:30PM Apr 11, 2021Observed: 1641.89 ft at 7:45PM Apr 11, 2021Observed: 1641.87 ft at 8:00PM Apr 11, 2021Observed: 1641.87 ft at 8:15PM Apr 11, 2021Observed: 1641.86 ft at 8:30PM Apr 11, 2021Observed: 1641.86 ft at 8:45PM Apr 11, 2021Observed: 1641.87 ft at 9:00PM Apr 11, 2021Observed: 1641.86 ft at 9:15PM Apr 11, 2021Observed: 1641.86 ft at 9:30PM Apr 11, 2021Observed: 1641.85 ft at 9:45PM Apr 11, 2021Observed: 1641.85 ft at 10:00PM Apr 11, 2021Observed: 1641.84 ft at 10:15PM Apr 11, 2021Observed: 1641.84 ft at 10:30PM Apr 11, 2021Observed: 1641.84 ft at 10:45PM Apr 11, 2021Observed: 1641.83 ft at 11:00PM Apr 11, 2021Observed: 1641.84 ft at 11:15PM Apr 11, 2021Observed: 1641.83 ft at 11:30PM Apr 11, 2021Observed: 1641.82 ft at 11:45PM Apr 11, 2021Observed: 1641.81 ft at 12:00AM Apr 12, 2021Observed: 1641.8 ft at 12:15AM Apr 12, 2021Observed: 1641.81 ft at 12:30AM Apr 12, 2021Observed: 1641.8 ft at 12:45AM Apr 12, 2021Observed: 1641.79 ft at 1:00AM Apr 12, 2021Observed: 1641.8 ft at 1:15AM Apr 12, 2021Observed: 1641.8 ft at 1:30AM Apr 12, 2021Observed: 1641.8 ft at 1:45AM Apr 12, 2021Observed: 1641.78 ft at 2:00AM Apr 12, 2021Observed: 1641.78 ft at 2:15AM Apr 12, 2021Observed: 1641.78 ft at 2:30AM Apr 12, 2021Observed: 1641.77 ft at 3:00AM Apr 12, 2021Observed: 1641.77 ft at 3:15AM Apr 12, 2021Observed: 1641.77 ft at 3:30AM Apr 12, 2021Observed: 1641.75 ft at 3:45AM Apr 12, 2021Observed: 1641.74 ft at 4:00AM Apr 12, 2021Observed: 1641.74 ft at 4:15AM Apr 12, 2021Observed: 1641.74 ft at 4:30AM Apr 12, 2021Observed: 1641.75 ft at 4:45AM Apr 12, 2021Observed: 1641.74 ft at 5:00AM Apr 12, 2021Observed: 1641.74 ft at 5:15AM Apr 12, 2021Observed: 1641.71 ft at 5:30AM Apr 12, 2021Observed: 1641.73 ft at 5:45AM Apr 12, 2021Observed: 1641.72 ft at 6:00AM Apr 12, 2021Observed: 1641.71 ft at 7:15AM Apr 12, 2021Observed: 1641.69 ft at 7:30AM Apr 12, 2021Observed: 1641.7 ft at 7:45AM Apr 12, 2021Observed: 1641.68 ft at 8:00AM Apr 12, 2021Observed: 1641.68 ft at 8:45AM Apr 12, 2021Observed: 1641.68 ft at 9:15AM Apr 12, 2021Observed: 1641.69 ft at 9:30AM Apr 12, 2021Observed: 1641.69 ft at 9:45AM Apr 12, 2021Observed: 1641.67 ft at 10:00AM Apr 12, 2021Observed: 1641.68 ft at 10:15AM Apr 12, 2021Observed: 1641.66 ft at 10:30AM Apr 12, 2021Observed: 1641.64 ft at 10:45AM Apr 12, 2021Observed: 1641.66 ft at 11:00AM Apr 12, 2021Observed: 1641.66 ft at 11:15AM Apr 12, 2021Observed: 1641.65 ft at 11:30AM Apr 12, 2021Observed: 1641.64 ft at 11:45AM Apr 12, 2021Observed: 1641.63 ft at 12:00PM Apr 12, 2021Observed: 1641.64 ft at 12:15PM Apr 12, 2021Observed: 1641.64 ft at 12:30PM Apr 12, 2021Observed: 1641.65 ft at 12:45PM Apr 12, 2021Observed: 1641.61 ft at 1:00PM Apr 12, 2021Observed: 1641.62 ft at 1:15PM Apr 12, 2021Observed: 1641.63 ft at 1:30PM Apr 12, 2021Observed: 1641.62 ft at 1:45PM Apr 12, 2021Observed: 1641.62 ft at 2:00PM Apr 12, 2021Observed: 1641.63 ft at 2:15PM Apr 12, 2021Observed: 1641.61 ft at 2:30PM Apr 12, 2021Observed: 1641.61 ft at 2:45PM Apr 12, 2021Observed: 1641.61 ft at 3:00PM Apr 12, 2021Observed: 1641.62 ft at 3:15PM Apr 12, 2021Observed: 1641.61 ft at 3:30PM Apr 12, 2021Observed: 1641.62 ft at 3:45PM Apr 12, 2021Observed: 1641.59 ft at 4:00PM Apr 12, 2021Observed: 1641.58 ft at 4:15PM Apr 12, 2021Observed: 1641.6 ft at 4:30PM Apr 12, 2021Observed: 1641.59 ft at 4:45PM Apr 12, 2021Observed: 1641.58 ft at 5:00PM Apr 12, 2021Observed: 1641.58 ft at 5:15PM Apr 12, 2021Observed: 1641.58 ft at 5:30PM Apr 12, 2021Observed: 1641.56 ft at 5:45PM Apr 12, 2021Observed: 1641.58 ft at 6:00PM Apr 12, 2021Observed: 1641.54 ft at 6:30PM Apr 12, 2021Observed: 1641.56 ft at 6:45PM Apr 12, 2021Observed: 1641.54 ft at 7:00PM Apr 12, 2021Observed: 1641.55 ft at 7:15PM Apr 12, 2021Observed: 1641.55 ft at 7:30PM Apr 12, 2021Observed: 1641.53 ft at 7:45PM Apr 12, 2021Observed: 1641.53 ft at 8:00PM Apr 12, 2021Observed: 1641.53 ft at 8:15PM Apr 12, 2021Observed: 1641.51 ft at 8:30PM Apr 12, 2021Observed: 1641.49 ft at 8:45PM Apr 12, 2021Observed: 1641.5 ft at 9:00PM Apr 12, 2021Observed: 1641.49 ft at 9:15PM Apr 12, 2021Observed: 1641.52 ft at 9:30PM Apr 12, 2021Observed: 1641.49 ft at 10:00PM Apr 12, 2021Observed: 1641.48 ft at 10:45PM Apr 12, 2021Observed: 1641.47 ft at 11:00PM Apr 12, 2021Observed: 1641.47 ft at 11:15PM Apr 12, 2021Observed: 1641.48 ft at 11:30PM Apr 12, 2021Observed: 1641.47 ft at 11:45PM Apr 12, 2021Observed: 1641.46 ft at 12:00AM Apr 13, 2021Observed: 1641.46 ft at 12:15AM Apr 13, 2021Observed: 1641.47 ft at 12:30AM Apr 13, 2021Observed: 1641.47 ft at 12:45AM Apr 13, 2021Observed: 1641.47 ft at 1:00AM Apr 13, 2021Observed: 1641.45 ft at 1:15AM Apr 13, 2021Observed: 1641.44 ft at 1:30AM Apr 13, 2021Observed: 1641.46 ft at 1:45AM Apr 13, 2021Observed: 1641.44 ft at 2:00AM Apr 13, 2021Observed: 1641.45 ft at 2:30AM Apr 13, 2021Observed: 1641.45 ft at 3:00AM Apr 13, 2021Observed: 1641.43 ft at 3:30AM Apr 13, 2021Observed: 1641.43 ft at 3:45AM Apr 13, 2021Observed: 1641.43 ft at 4:00AM Apr 13, 2021Observed: 1641.4 ft at 4:15AM Apr 13, 2021Observed: 1641.42 ft at 4:30AM Apr 13, 2021Observed: 1641.4 ft at 4:45AM Apr 13, 2021Observed: 1641.4 ft at 5:00AM Apr 13, 2021Observed: 1641.4 ft at 5:15AM Apr 13, 2021Observed: 1641.4 ft at 5:30AM Apr 13, 2021Observed: 1641.39 ft at 5:45AM Apr 13, 2021Observed: 1641.4 ft at 6:00AM Apr 13, 2021Observed: 1641.39 ft at 6:15AM Apr 13, 2021Observed: 1641.39 ft at 6:30AM Apr 13, 2021Observed: 1641.39 ft at 6:45AM Apr 13, 2021Observed: 1641.35 ft at 7:00AM Apr 13, 2021Observed: 1641.39 ft at 7:15AM Apr 13, 2021Observed: 1641.35 ft at 8:00AM Apr 13, 2021Observed: 1641.36 ft at 9:00AM Apr 13, 2021Observed: 1641.33 ft at 11:00AM Apr 13, 2021Observed: 1641.32 ft at 11:45AM Apr 13, 2021Observed: 1641.34 ft at 12:15PM Apr 13, 2021Observed: 1641.33 ft at 12:45PM Apr 13, 2021Observed: 1641.32 ft at 1:00PM Apr 13, 2021Observed: 1641.32 ft at 1:15PM Apr 13, 2021Observed: 1641.31 ft at 1:30PM Apr 13, 2021Observed: 1641.3 ft at 2:15PM Apr 13, 2021Observed: 1641.31 ft at 2:30PM Apr 13, 2021Observed: 1641.3 ft at 2:45PM Apr 13, 2021Observed: 1641.29 ft at 3:30PM Apr 13, 2021Observed: 1641.29 ft at 3:45PM Apr 13, 2021Observed: 1641.26 ft at 4:30PM Apr 13, 2021Observed: 1641.27 ft at 4:45PM Apr 13, 2021Observed: 1641.27 ft at 5:00PM Apr 13, 2021Observed: 1641.26 ft at 5:15PM Apr 13, 2021Observed: 1641.26 ft at 5:30PM Apr 13, 2021Observed: 1641.23 ft at 5:45PM Apr 13, 2021Observed: 1641.23 ft at 6:00PM Apr 13, 2021Observed: 1641.25 ft at 6:15PM Apr 13, 2021Observed: 1641.24 ft at 6:30PM Apr 13, 2021Observed: 1641.23 ft at 6:45PM Apr 13, 2021Observed: 1641.24 ft at 7:00PM Apr 13, 2021Observed: 1641.22 ft at 7:15PM Apr 13, 2021Observed: 1641.24 ft at 7:30PM Apr 13, 2021Observed: 1641.21 ft at 7:45PM Apr 13, 2021Observed: 1641.22 ft at 8:00PM Apr 13, 2021Observed: 1641.23 ft at 8:15PM Apr 13, 2021Observed: 1641.19 ft at 8:30PM Apr 13, 2021Observed: 1641.22 ft at 8:45PM Apr 13, 2021Observed: 1641.22 ft at 9:00PM Apr 13, 2021Observed: 1641.23 ft at 9:15PM Apr 13, 2021Observed: 1641.22 ft at 9:30PM Apr 13, 2021Observed: 1641.23 ft at 9:45PM Apr 13, 2021Observed: 1641.22 ft at 10:00PM Apr 13, 2021Observed: 1641.22 ft at 10:15PM Apr 13, 2021Observed: 1641.22 ft at 10:30PM Apr 13, 2021Observed: 1641.22 ft at 10:45PM Apr 13, 2021Observed: 1641.23 ft at 11:00PM Apr 13, 2021Observed: 1641.21 ft at 11:15PM Apr 13, 2021Observed: 1641.22 ft at 11:30PM Apr 13, 2021Observed: 1641.22 ft at 11:45PM Apr 13, 2021Observed: 1641.22 ft at 12:00AM Apr 14, 2021Observed: 1641.21 ft at 12:15AM Apr 14, 2021Observed: 1641.23 ft at 12:30AM Apr 14, 2021Observed: 1641.23 ft at 12:45AM Apr 14, 2021Observed: 1641.23 ft at 1:00AM Apr 14, 2021Observed: 1641.21 ft at 1:15AM Apr 14, 2021Observed: 1641.19 ft at 1:30AM Apr 14, 2021Observed: 1641.23 ft at 1:45AM Apr 14, 2021Observed: 1641.22 ft at 2:00AM Apr 14, 2021Observed: 1641.22 ft at 2:30AM Apr 14, 2021Observed: 1641.22 ft at 2:45AM Apr 14, 2021Observed: 1641.19 ft at 3:00AM Apr 14, 2021Observed: 1641.21 ft at 3:15AM Apr 14, 2021Observed: 1641.21 ft at 3:45AM Apr 14, 2021Observed: 1641.21 ft at 4:00AM Apr 14, 2021Observed: 1641.2 ft at 4:15AM Apr 14, 2021Observed: 1641.2 ft at 4:30AM Apr 14, 2021Observed: 1641.21 ft at 4:45AM Apr 14, 2021Observed: 1641.19 ft at 5:00AM Apr 14, 2021Observed: 1641.2 ft at 5:15AM Apr 14, 2021Observed: 1641.19 ft at 5:30AM Apr 14, 2021Observed: 1641.19 ft at 5:45AM Apr 14, 2021Observed: 1641.18 ft at 6:00AM Apr 14, 2021Observed: 1641.2 ft at 6:15AM Apr 14, 2021Observed: 1641.18 ft at 6:30AM Apr 14, 2021Observed: 1641.19 ft at 6:45AM Apr 14, 2021Observed: 1641.18 ft at 7:00AM Apr 14, 2021Observed: 1641.18 ft at 7:15AM Apr 14, 2021Observed: 1641.18 ft at 8:00AM Apr 14, 2021Observed: 1641.15 ft at 8:15AM Apr 14, 2021Observed: 1641.16 ft at 8:45AM Apr 14, 2021Observed: 1641.17 ft at 9:00AM Apr 14, 2021Observed: 1641.16 ft at 9:15AM Apr 14, 2021Observed: 1641.16 ft at 9:30AM Apr 14, 2021Observed: 1641.16 ft at 9:45AM Apr 14, 2021Observed: 1641.16 ft at 10:00AM Apr 14, 2021Observed: 1641.16 ft at 10:15AM Apr 14, 2021Observed: 1641.16 ft at 10:30AM Apr 14, 2021Observed: 1641.15 ft at 10:45AM Apr 14, 2021Observed: 1641.16 ft at 11:00AM Apr 14, 2021Observed: 1641.14 ft at 11:15AM Apr 14, 2021Observed: 1641.15 ft at 11:30AM Apr 14, 2021Observed: 1641.15 ft at 11:45AM Apr 14, 2021Observed: 1641.16 ft at 12:00PM Apr 14, 2021Observed: 1641.14 ft at 12:15PM Apr 14, 2021Observed: 1641.13 ft at 12:30PM Apr 14, 2021Observed: 1641.15 ft at 12:45PM Apr 14, 2021Observed: 1641.13 ft at 1:15PM Apr 14, 2021Observed: 1641.12 ft at 1:45PM Apr 14, 2021Observed: 1641.13 ft at 2:00PM Apr 14, 2021Observed: 1641.13 ft at 2:15PM Apr 14, 2021Observed: 1641.12 ft at 2:30PM Apr 14, 2021Observed: 1641.13 ft at 2:45PM Apr 14, 2021Observed: 1641.14 ft at 3:00PM Apr 14, 2021Observed: 1641.13 ft at 3:15PM Apr 14, 2021Observed: 1641.13 ft at 3:30PM Apr 14, 2021Observed: 1641.13 ft at 3:45PM Apr 14, 2021Observed: 1641.12 ft at 4:00PM Apr 14, 2021Observed: 1641.12 ft at 4:15PM Apr 14, 2021Observed: 1641.12 ft at 4:30PM Apr 14, 2021Observed: 1641.12 ft at 4:45PM Apr 14, 2021Observed: 1641.1 ft at 5:00PM Apr 14, 2021Observed: 1641.11 ft at 5:15PM Apr 14, 2021Observed: 1641.1 ft at 5:30PM Apr 14, 2021Observed: 1641.11 ft at 5:45PM Apr 14, 2021Observed: 1641.11 ft at 6:00PM Apr 14, 2021Observed: 1641.1 ft at 6:15PM Apr 14, 2021Observed: 1641.1 ft at 6:30PM Apr 14, 2021Observed: 1641.1 ft at 6:45PM Apr 14, 2021Observed: 1641.09 ft at 7:00PM Apr 14, 2021Observed: 1641.1 ft at 7:15PM Apr 14, 2021Observed: 1641.09 ft at 7:30PM Apr 14, 2021Observed: 1641.1 ft at 7:45PM Apr 14, 2021Observed: 1641.09 ft at 8:00PM Apr 14, 2021Observed: 1641.09 ft at 8:15PM Apr 14, 2021Observed: 1641.09 ft at 8:30PM Apr 14, 2021Observed: 1641.08 ft at 8:45PM Apr 14, 2021Observed: 1641.09 ft at 9:00PM Apr 14, 2021Observed: 1641.07 ft at 9:15PM Apr 14, 2021Observed: 1641.08 ft at 9:30PM Apr 14, 2021Observed: 1641.07 ft at 9:45PM Apr 14, 2021Observed: 1641.07 ft at 10:00PM Apr 14, 2021Observed: 1641.08 ft at 10:15PM Apr 14, 2021Observed: 1641.07 ft at 10:30PM Apr 14, 2021Observed: 1641.06 ft at 10:45PM Apr 14, 2021Observed: 1641.06 ft at 11:00PM Apr 14, 2021Observed: 1641.06 ft at 11:15PM Apr 14, 2021Observed: 1641.07 ft at 11:30PM Apr 14, 2021Observed: 1641.07 ft at 11:45PM Apr 14, 2021Observed: 1641.06 ft at 12:00AM Apr 15, 2021Observed: 1641.06 ft at 12:15AM Apr 15, 2021Observed: 1641.06 ft at 12:30AM Apr 15, 2021Observed: 1641.05 ft at 12:45AM Apr 15, 2021Observed: 1641.05 ft at 1:00AM Apr 15, 2021Observed: 1641.05 ft at 1:15AM Apr 15, 2021Observed: 1641.05 ft at 1:30AM Apr 15, 2021Observed: 1641.04 ft at 1:45AM Apr 15, 2021Observed: 1641.04 ft at 2:00AM Apr 15, 2021Observed: 1641.04 ft at 2:15AM Apr 15, 2021Observed: 1641.04 ft at 2:30AM Apr 15, 2021Observed: 1641.03 ft at 2:45AM Apr 15, 2021Observed: 1641.03 ft at 3:00AM Apr 15, 2021Observed: 1641.03 ft at 3:15AM Apr 15, 2021Observed: 1641.03 ft at 3:30AM Apr 15, 2021Observed: 1641.03 ft at 3:45AM Apr 15, 2021Observed: 1641.03 ft at 4:00AM Apr 15, 2021Observed: 1641.03 ft at 4:15AM Apr 15, 2021Observed: 1641.03 ft at 4:30AM Apr 15, 2021Observed: 1641.03 ft at 4:45AM Apr 15, 2021Observed: 1641.02 ft at 5:00AM Apr 15, 2021Observed: 1641.02 ft at 5:15AM Apr 15, 2021Observed: 1641.01 ft at 5:30AM Apr 15, 2021Observed: 1641.01 ft at 5:45AM Apr 15, 2021Observed: 1641.01 ft at 6:00AM Apr 15, 2021Observed: 1641.01 ft at 6:15AM Apr 15, 2021Observed: 1641.01 ft at 6:30AM Apr 15, 2021Observed: 1641.01 ft at 6:45AM Apr 15, 2021Observed: 1641.02 ft at 7:00AM Apr 15, 2021Observed: 1641 ft at 7:30AM Apr 15, 2021Observed: 1641.01 ft at 7:45AM Apr 15, 2021Observed: 1641.01 ft at 8:00AM Apr 15, 2021Observed: 1641 ft at 8:15AM Apr 15, 2021Observed: 1641 ft at 8:30AM Apr 15, 2021Observed: 1640.99 ft at 8:45AM Apr 15, 2021Observed: 1641 ft at 9:00AM Apr 15, 2021Observed: 1640.99 ft at 9:15AM Apr 15, 2021Observed: 1641 ft at 9:30AM Apr 15, 2021Observed: 1640.99 ft at 9:45AM Apr 15, 2021Observed: 1640.99 ft at 10:00AM Apr 15, 2021Observed: 1640.99 ft at 10:15AM Apr 15, 2021Observed: 1641 ft at 10:30AM Apr 15, 2021Observed: 1640.99 ft at 10:45AM Apr 15, 2021Observed: 1640.99 ft at 11:00AM Apr 15, 2021Observed: 1640.99 ft at 11:15AM Apr 15, 2021Observed: 1640.99 ft at 11:30AM Apr 15, 2021Observed: 1640.98 ft at 11:45AM Apr 15, 2021Observed: 1640.99 ft at 12:00PM Apr 15, 2021Observed: 1640.99 ft at 12:15PM Apr 15, 2021Observed: 1640.99 ft at 12:30PM Apr 15, 2021Observed: 1640.98 ft at 12:45PM Apr 15, 2021Observed: 1640.98 ft at 1:00PM Apr 15, 2021Observed: 1640.98 ft at 1:15PM Apr 15, 2021Observed: 1640.98 ft at 1:30PM Apr 15, 2021Observed: 1640.98 ft at 1:45PM Apr 15, 2021Observed: 1640.98 ft at 2:00PM Apr 15, 2021Observed: 1640.98 ft at 2:15PM Apr 15, 2021Observed: 1640.97 ft at 2:30PM Apr 15, 2021Observed: 1640.97 ft at 2:45PM Apr 15, 2021Observed: 1640.98 ft at 3:00PM Apr 15, 2021Observed: 1640.98 ft at 3:15PM Apr 15, 2021Observed: 1640.97 ft at 3:30PM Apr 15, 2021Observed: 1640.97 ft at 3:45PM Apr 15, 2021Observed: 1640.97 ft at 4:00PM Apr 15, 2021Observed: 1640.97 ft at 4:15PM Apr 15, 2021Observed: 1640.95 ft at 4:30PM Apr 15, 2021Observed: 1640.97 ft at 4:45PM Apr 15, 2021Observed: 1640.96 ft at 5:00PM Apr 15, 2021Observed: 1640.96 ft at 5:15PM Apr 15, 2021Observed: 1640.96 ft at 5:30PM Apr 15, 2021Observed: 1640.97 ft at 5:45PM Apr 15, 2021Observed: 1640.96 ft at 6:00PM Apr 15, 2021Observed: 1640.95 ft at 6:15PM Apr 15, 2021Observed: 1640.95 ft at 6:30PM Apr 15, 2021Observed: 1640.96 ft at 6:45PM Apr 15, 2021Observed: 1640.95 ft at 7:00PM Apr 15, 2021Observed: 1640.94 ft at 7:15PM Apr 15, 2021Observed: 1640.95 ft at 7:30PM Apr 15, 2021Observed: 1640.95 ft at 7:45PM Apr 15, 2021Observed: 1640.95 ft at 8:00PM Apr 15, 2021Observed: 1640.94 ft at 8:15PM Apr 15, 2021Observed: 1640.94 ft at 8:30PM Apr 15, 2021Observed: 1640.94 ft at 8:45PM Apr 15, 2021Observed: 1640.93 ft at 9:00PM Apr 15, 2021Observed: 1640.93 ft at 9:15PM Apr 15, 2021Observed: 1640.93 ft at 9:30PM Apr 15, 2021Observed: 1640.93 ft at 9:45PM Apr 15, 2021Observed: 1640.92 ft at 10:00PM Apr 15, 2021Observed: 1640.92 ft at 10:15PM Apr 15, 2021Observed: 1640.93 ft at 10:30PM Apr 15, 2021Observed: 1640.92 ft at 10:45PM Apr 15, 2021Observed: 1640.92 ft at 11:00PM Apr 15, 2021Observed: 1640.92 ft at 11:15PM Apr 15, 2021Observed: 1640.92 ft at 11:30PM Apr 15, 2021Observed: 1640.93 ft at 11:45PM Apr 15, 2021Observed: 1640.93 ft at 12:00AM Apr 16, 2021Observed: 1640.92 ft at 12:15AM Apr 16, 2021Observed: 1640.92 ft at 12:30AM Apr 16, 2021Observed: 1640.92 ft at 12:45AM Apr 16, 2021Observed: 1640.92 ft at 1:00AM Apr 16, 2021Observed: 1640.91 ft at 1:15AM Apr 16, 2021Observed: 1640.91 ft at 1:30AM Apr 16, 2021Observed: 1640.92 ft at 1:45AM Apr 16, 2021Observed: 1640.91 ft at 2:00AM Apr 16, 2021Observed: 1640.91 ft at 2:15AM Apr 16, 2021Observed: 1640.91 ft at 2:30AM Apr 16, 2021Observed: 1640.91 ft at 2:45AM Apr 16, 2021Observed: 1640.9 ft at 3:00AM Apr 16, 2021Observed: 1640.9 ft at 3:15AM Apr 16, 2021Observed: 1640.91 ft at 3:30AM Apr 16, 2021Observed: 1640.9 ft at 3:45AM Apr 16, 2021Observed: 1640.89 ft at 4:00AM Apr 16, 2021Observed: 1640.9 ft at 4:15AM Apr 16, 2021Observed: 1640.9 ft at 4:30AM Apr 16, 2021Observed: 1640.91 ft at 4:45AM Apr 16, 2021Observed: 1640.91 ft at 5:00AM Apr 16, 2021Observed: 1640.9 ft at 5:15AM Apr 16, 2021Observed: 1640.9 ft at 5:30AM Apr 16, 2021Observed: 1640.89 ft at 5:45AM Apr 16, 2021Observed: 1640.9 ft at 6:00AM Apr 16, 2021Observed: 1640.89 ft at 6:15AM Apr 16, 2021Observed: 1640.88 ft at 6:30AM Apr 16, 2021Observed: 1640.89 ft at 6:45AM Apr 16, 2021Observed: 1640.88 ft at 7:00AM Apr 16, 2021Observed: 1640.89 ft at 7:15AM Apr 16, 2021Observed: 1640.88 ft at 7:30AM Apr 16, 2021Observed: 1640.89 ft at 7:45AM Apr 16, 2021Observed: 1640.89 ft at 8:00AM Apr 16, 2021Observed: 1640.88 ft at 8:15AM Apr 16, 2021Observed: 1640.88 ft at 8:30AM Apr 16, 2021Observed: 1640.88 ft at 8:45AM Apr 16, 2021Observed: 1640.87 ft at 9:00AM Apr 16, 2021Observed: 1640.89 ft at 12:15PM Apr 16, 2021Observed: 1640.89 ft at 12:30PM Apr 16, 2021Observed: 1640.89 ft at 12:45PM Apr 16, 2021Observed: 1640.88 ft at 1:00PM Apr 16, 2021Observed: 1640.89 ft at 1:15PM Apr 16, 2021Observed: 1640.89 ft at 1:30PM Apr 16, 2021Observed: 1640.88 ft at 1:45PM Apr 16, 2021Observed: 1640.88 ft at 2:00PM Apr 16, 2021Observed: 1640.89 ft at 2:15PM Apr 16, 2021Observed: 1640.86 ft at 2:30PM Apr 16, 2021Observed: 1640.89 ft at 2:45PM Apr 16, 2021Observed: 1640.89 ft at 3:00PM Apr 16, 2021Observed: 1640.89 ft at 3:15PM Apr 16, 2021Observed: 1640.87 ft at 3:30PM Apr 16, 2021Observed: 1640.88 ft at 3:45PM Apr 16, 2021Observed: 1640.88 ft at 4:00PM Apr 16, 2021Observed: 1640.87 ft at 4:15PM Apr 16, 2021Observed: 1640.87 ft at 4:30PM Apr 16, 2021Observed: 1640.87 ft at 4:45PM Apr 16, 2021Observed: 1640.86 ft at 5:00PM Apr 16, 2021Observed: 1640.87 ft at 5:15PM Apr 16, 2021Observed: 1640.87 ft at 5:30PM Apr 16, 2021Observed: 1640.87 ft at 5:45PM Apr 16, 2021Observed: 1640.86 ft at 6:00PM Apr 16, 2021Observed: 1640.85 ft at 6:15PM Apr 16, 2021Observed: 1640.86 ft at 6:30PM Apr 16, 2021Observed: 1640.86 ft at 6:45PM Apr 16, 2021Observed: 1640.84 ft at 7:00PM Apr 16, 2021Observed: 1640.85 ft at 7:15PM Apr 16, 2021Observed: 1640.85 ft at 7:30PM Apr 16, 2021Observed: 1640.85 ft at 7:45PM Apr 16, 2021Observed: 1640.85 ft at 8:00PM Apr 16, 2021Observed: 1640.83 ft at 8:15PM Apr 16, 2021Observed: 1640.84 ft at 8:30PM Apr 16, 2021Observed: 1640.84 ft at 8:45PM Apr 16, 2021Observed: 1640.83 ft at 9:00PM Apr 16, 2021Observed: 1640.84 ft at 9:15PM Apr 16, 2021Observed: 1640.83 ft at 9:30PM Apr 16, 2021Observed: 1640.84 ft at 9:45PM Apr 16, 2021Observed: 1640.83 ft at 10:00PM Apr 16, 2021Observed: 1640.83 ft at 10:15PM Apr 16, 2021Observed: 1640.83 ft at 10:30PM Apr 16, 2021Observed: 1640.83 ft at 10:45PM Apr 16, 2021Observed: 1640.82 ft at 11:00PM Apr 16, 2021Observed: 1640.83 ft at 11:15PM Apr 16, 2021Observed: 1640.82 ft at 11:30PM Apr 16, 2021Observed: 1640.82 ft at 11:45PM Apr 16, 2021Observed: 1640.82 ft at 12:00AM Apr 17, 2021Observed: 1640.83 ft at 12:15AM Apr 17, 2021Observed: 1640.82 ft at 12:30AM Apr 17, 2021Observed: 1640.82 ft at 12:45AM Apr 17, 2021Observed: 1640.81 ft at 1:00AM Apr 17, 2021Observed: 1640.81 ft at 1:15AM Apr 17, 2021Observed: 1640.82 ft at 1:30AM Apr 17, 2021Observed: 1640.81 ft at 1:45AM Apr 17, 2021Observed: 1640.82 ft at 2:00AM Apr 17, 2021Observed: 1640.81 ft at 2:15AM Apr 17, 2021Observed: 1640.81 ft at 2:30AM Apr 17, 2021Observed: 1640.81 ft at 2:45AM Apr 17, 2021Observed: 1640.82 ft at 3:00AM Apr 17, 2021Observed: 1640.82 ft at 3:15AM Apr 17, 2021Observed: 1640.82 ft at 3:30AM Apr 17, 2021Observed: 1640.81 ft at 3:45AM Apr 17, 2021Observed: 1640.81 ft at 4:00AM Apr 17, 2021Observed: 1640.81 ft at 4:15AM Apr 17, 2021Observed: 1640.8 ft at 4:30AM Apr 17, 2021Observed: 1640.8 ft at 4:45AM Apr 17, 2021Observed: 1640.79 ft at 5:00AM Apr 17, 2021Observed: 1640.81 ft at 5:15AM Apr 17, 2021Observed: 1640.8 ft at 5:30AM Apr 17, 2021Observed: 1640.79 ft at 5:45AM Apr 17, 2021Observed: 1640.8 ft at 6:00AM Apr 17, 2021Observed: 1640.8 ft at 6:15AM Apr 17, 2021Observed: 1640.8 ft at 6:30AM Apr 17, 2021Observed: 1640.8 ft at 6:45AM Apr 17, 2021Observed: 1640.8 ft at 7:00AM Apr 17, 2021Observed: 1640.79 ft at 7:15AM Apr 17, 2021Observed: 1640.79 ft at 7:30AM Apr 17, 2021Observed: 1640.79 ft at 7:45AM Apr 17, 2021Observed: 1640.78 ft at 8:00AM Apr 17, 2021Observed: 1640.78 ft at 8:15AM Apr 17, 2021Observed: 1640.79 ft at 8:30AM Apr 17, 2021Observed: 1640.79 ft at 8:45AM Apr 17, 2021Observed: 1640.79 ft at 9:00AM Apr 17, 2021Observed: 1640.77 ft at 9:15AM Apr 17, 2021Observed: 1640.78 ft at 9:30AM Apr 17, 2021Observed: 1640.77 ft at 9:45AM Apr 17, 2021Observed: 1640.78 ft at 10:00AM Apr 17, 2021Observed: 1640.79 ft at 10:15AM Apr 17, 2021Observed: 1640.79 ft at 10:30AM Apr 17, 2021Observed: 1640.79 ft at 10:45AM Apr 17, 2021Observed: 1640.79 ft at 11:00AM Apr 17, 2021Observed: 1640.8 ft at 11:15AM Apr 17, 2021Observed: 1640.79 ft at 11:30AM Apr 17, 2021Observed: 1640.79 ft at 11:45AM Apr 17, 2021Observed: 1640.79 ft at 12:00PM Apr 17, 2021Observed: 1640.8 ft at 12:15PM Apr 17, 2021Observed: 1640.8 ft at 12:30PM Apr 17, 2021Observed: 1640.8 ft at 12:45PM Apr 17, 2021Observed: 1640.8 ft at 1:00PM Apr 17, 2021Observed: 1640.81 ft at 1:15PM Apr 17, 2021Observed: 1640.82 ft at 1:30PM Apr 17, 2021Observed: 1640.81 ft at 1:45PM Apr 17, 2021Observed: 1640.8 ft at 2:00PM Apr 17, 2021Observed: 1640.81 ft at 2:15PM Apr 17, 2021Observed: 1640.81 ft at 2:30PM Apr 17, 2021Observed: 1640.8 ft at 2:45PM Apr 17, 2021Observed: 1640.81 ft at 3:00PM Apr 17, 2021Observed: 1640.79 ft at 3:15PM Apr 17, 2021Observed: 1640.8 ft at 3:30PM Apr 17, 2021Observed: 1640.8 ft at 3:45PM Apr 17, 2021Observed: 1640.81 ft at 4:00PM Apr 17, 2021Observed: 1640.8 ft at 4:15PM Apr 17, 2021Observed: 1640.79 ft at 4:30PM Apr 17, 2021Observed: 1640.81 ft at 4:45PM Apr 17, 2021Observed: 1640.8 ft at 5:00PM Apr 17, 2021Observed: 1640.79 ft at 5:15PM Apr 17, 2021Observed: 1640.79 ft at 5:30PM Apr 17, 2021Observed: 1640.81 ft at 5:45PM Apr 17, 2021Observed: 1640.78 ft at 6:00PM Apr 17, 2021Observed: 1640.79 ft at 6:15PM Apr 17, 2021Observed: 1640.8 ft at 6:30PM Apr 17, 2021Observed: 1640.79 ft at 6:45PM Apr 17, 2021Observed: 1640.79 ft at 7:00PM Apr 17, 2021Observed: 1640.78 ft at 7:15PM Apr 17, 2021Observed: 1640.8 ft at 7:30PM Apr 17, 2021Observed: 1640.8 ft at 7:45PM Apr 17, 2021Observed: 1640.8 ft at 8:00PM Apr 17, 2021Observed: 1640.78 ft at 8:15PM Apr 17, 2021Observed: 1640.77 ft at 8:30PM Apr 17, 2021Observed: 1640.77 ft at 8:45PM Apr 17, 2021Observed: 1640.76 ft at 9:00PM Apr 17, 2021Observed: 1640.76 ft at 9:15PM Apr 17, 2021Observed: 1640.76 ft at 9:30PM Apr 17, 2021Observed: 1640.76 ft at 9:45PM Apr 17, 2021Observed: 1640.75 ft at 10:00PM Apr 17, 2021Observed: 1640.76 ft at 10:15PM Apr 17, 2021Observed: 1640.75 ft at 10:30PM Apr 17, 2021Observed: 1640.76 ft at 10:45PM Apr 17, 2021Observed: 1640.75 ft at 11:00PM Apr 17, 2021Observed: 1640.74 ft at 11:15PM Apr 17, 2021Observed: 1640.74 ft at 11:30PM Apr 17, 2021Observed: 1640.74 ft at 11:45PM Apr 17, 2021Observed: 1640.75 ft at 12:00AM Apr 18, 2021Observed: 1640.75 ft at 12:15AM Apr 18, 2021Observed: 1640.75 ft at 12:30AM Apr 18, 2021Observed: 1640.74 ft at 12:45AM Apr 18, 2021Observed: 1640.74 ft at 1:00AM Apr 18, 2021Observed: 1640.75 ft at 1:15AM Apr 18, 2021Observed: 1640.74 ft at 1:30AM Apr 18, 2021Observed: 1640.74 ft at 1:45AM Apr 18, 2021Observed: 1640.74 ft at 2:00AM Apr 18, 2021Observed: 1640.73 ft at 2:15AM Apr 18, 2021Observed: 1640.74 ft at 2:30AM Apr 18, 2021Observed: 1640.73 ft at 2:45AM Apr 18, 2021Observed: 1640.73 ft at 3:00AM Apr 18, 2021Observed: 1640.73 ft at 3:15AM Apr 18, 2021Observed: 1640.72 ft at 3:30AM Apr 18, 2021Observed: 1640.71 ft at 3:45AM Apr 18, 2021Observed: 1640.72 ft at 4:00AM Apr 18, 2021Observed: 1640.72 ft at 4:15AM Apr 18, 2021Observed: 1640.72 ft at 4:30AM Apr 18, 2021Observed: 1640.72 ft at 4:45AM Apr 18, 2021Observed: 1640.72 ft at 5:00AM Apr 18, 2021Observed: 1640.71 ft at 5:15AM Apr 18, 2021Observed: 1640.72 ft at 5:30AM Apr 18, 2021Observed: 1640.71 ft at 5:45AM Apr 18, 2021Observed: 1640.71 ft at 6:00AM Apr 18, 2021Observed: 1640.71 ft at 6:15AM Apr 18, 2021Observed: 1640.7 ft at 6:30AM Apr 18, 2021Observed: 1640.7 ft at 6:45AM Apr 18, 2021Observed: 1640.71 ft at 7:00AM Apr 18, 2021Observed: 1640.7 ft at 7:15AM Apr 18, 2021Observed: 1640.7 ft at 7:30AM Apr 18, 2021Observed: 1640.7 ft at 7:45AM Apr 18, 2021Observed: 1640.7 ft at 8:00AM Apr 18, 2021Observed: 1640.7 ft at 8:15AM Apr 18, 2021Observed: 1640.7 ft at 8:30AM Apr 18, 2021Observed: 1640.7 ft at 8:45AM Apr 18, 2021Observed: 1640.71 ft at 9:00AM Apr 18, 2021Observed: 1640.71 ft at 9:15AM Apr 18, 2021Observed: 1640.72 ft at 9:30AM Apr 18, 2021Observed: 1640.72 ft at 9:45AM Apr 18, 2021Observed: 1640.73 ft at 10:00AM Apr 18, 2021Observed: 1640.73 ft at 10:15AM Apr 18, 2021Observed: 1640.74 ft at 10:30AM Apr 18, 2021Observed: 1640.75 ft at 10:45AM Apr 18, 2021Observed: 1640.75 ft at 11:00AM Apr 18, 2021Observed: 1640.75 ft at 11:30AM Apr 18, 2021Observed: 1640.76 ft at 11:45AM Apr 18, 2021Observed: 1640.77 ft at 12:00PM Apr 18, 2021Observed: 1640.74 ft at 12:15PM Apr 18, 2021Observed: 1640.74 ft at 12:30PM Apr 18, 2021Observed: 1640.74 ft at 12:45PM Apr 18, 2021Observed: 1640.74 ft at 1:00PM Apr 18, 2021Observed: 1640.74 ft at 1:15PM Apr 18, 2021Observed: 1640.74 ft at 1:30PM Apr 18, 2021Observed: 1640.75 ft at 1:45PM Apr 18, 2021Observed: 1640.76 ft at 2:00PM Apr 18, 2021Observed: 1640.76 ft at 2:15PM Apr 18, 2021Observed: 1640.76 ft at 2:30PM Apr 18, 2021Observed: 1640.76 ft at 2:45PM Apr 18, 2021Observed: 1640.77 ft at 3:00PM Apr 18, 2021Observed: 1640.77 ft at 3:15PM Apr 18, 2021Observed: 1640.76 ft at 3:30PM Apr 18, 2021Observed: 1640.76 ft at 3:45PM Apr 18, 2021Observed: 1640.76 ft at 4:00PM Apr 18, 2021Observed: 1640.72 ft at 4:15PM Apr 18, 2021Observed: 1640.72 ft at 4:30PM Apr 18, 2021Observed: 1640.72 ft at 4:45PM Apr 18, 2021Observed: 1640.71 ft at 5:00PM Apr 18, 2021Observed: 1640.71 ft at 5:15PM Apr 18, 2021Observed: 1640.71 ft at 5:30PM Apr 18, 2021Observed: 1640.71 ft at 6:00PM Apr 18, 2021Observed: 1640.68 ft at 6:15PM Apr 18, 2021Observed: 1640.68 ft at 6:30PM Apr 18, 2021Observed: 1640.65 ft at 7:30PM Apr 18, 2021Observed: 1640.64 ft at 8:00PM Apr 18, 2021Observed: 1640.65 ft at 8:15PM Apr 18, 2021Observed: 1640.66 ft at 8:30PM Apr 18, 2021Observed: 1640.64 ft at 8:45PM Apr 18, 2021Observed: 1640.64 ft at 9:00PM Apr 18, 2021Observed: 1640.62 ft at 9:45PM Apr 18, 2021Observed: 1640.61 ft at 10:15PM Apr 18, 2021Observed: 1640.62 ft at 10:30PM Apr 18, 2021Observed: 1640.6 ft at 10:45PM Apr 18, 2021Observed: 1640.59 ft at 11:00PM Apr 18, 2021Observed: 1640.61 ft at 11:15PM Apr 18, 2021Observed: 1640.59 ft at 11:30PM Apr 18, 2021Observed: 1640.6 ft at 12:00AM Apr 19, 2021Observed: 1640.56 ft at 12:15AM Apr 19, 2021Observed: 1640.57 ft at 1:00AM Apr 19, 2021Observed: 1640.57 ft at 1:30AM Apr 19, 2021Observed: 1640.59 ft at 2:00AM Apr 19, 2021Observed: 1640.55 ft at 5:45AM Apr 19, 2021Observed: 1640.57 ft at 10:15AM Apr 19, 2021Observed: 1640.55 ft at 11:45AM Apr 19, 2021Observed: 1640.54 ft at 12:00PM Apr 19, 2021South Dakota DENRBSES2(plotting HGIRG) Graph Created (12:34PM Apr 19, 2021)ObservedLatest observed value: 1640.54 ft at 12:00 PM CDT 19-Apr-2021. Flood Stage is 1644 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: Graphical forecasts are not available for the Big Sioux River near Estelline. During times of high water, forecast crest information can be found in the text products.

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Upstream Locations Upstream Gauge Downstream Gauge Downstream Gauge - near Bruce
Flood Categories (in feet)
Major Flood Stage: 1648
Moderate Flood Stage: 1645.5
Flood Stage: 1644
Action Stage: 1642.5
Low Stage (in feet): 0

Historic Crests
(1) 1,646.90 ft on 03/28/2019
(2) 1,645.90 ft on 04/23/2018
(3) 1,644.60 ft on 04/13/2018

(P): Preliminary values subject to further review.

Recent Crests
(1) 1,646.90 ft on 03/28/2019
(2) 1,645.90 ft on 04/23/2018
(3) 1,644.60 ft on 04/13/2018

(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
1651 Highway 28 and 463rd Avenue begin to flood.
1650 464th Avenue begins to flood.
1649 water reaches the bottom of the bridge on 463rd Avenue, and 195th Street begins to flood.
1648 water reaches the bottom of the bridges on Highway 28, 464th Avenue, and 195th Street. Also, 192nd Street begins to flood.
1646 water reaches the bottom of the bridge on 192nd Street.
1645.5 widespread flooding of agricultural lands begins.
1644 significant flooding of crop and pasture land begins.
About This Location Collapse

Latitude: 44.572884° N, Longitude: 96.930225° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 1644 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 1644.00 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  
Resources Collapse
Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Sioux Falls Weather Forecast Office
26 Weather Lane
Sioux Falls, SD 57104-0198
(605) 330-4247
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Page last modified: 2-Nov-2020 7:29 PM
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