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Hydrograph River at a Glance Download
Big Sioux River at Sioux Falls Western Avenue Stage (ft)Flow (cfs)Observed: 2.07 ft at 7:00PM Apr 11, 2021Observed: 2.07 ft at 7:01PM Apr 11, 2021Highest Observation: 2.17 ft at 7:15PM Apr 11, 2021Highest Observation: 2.17 ft at 7:16PM Apr 11, 2021Highest Observation: 2.17 ft at 7:30PM Apr 11, 2021Highest Observation: 2.17 ft at 7:31PM Apr 11, 2021Observed: 2.04 ft at 7:45PM Apr 11, 2021Observed: 2.1 ft at 8:00PM Apr 11, 2021Observed: 2.1 ft at 8:01PM Apr 11, 2021Observed: 2.06 ft at 8:15PM Apr 11, 2021Observed: 2.06 ft at 8:16PM Apr 11, 2021Observed: 2.08 ft at 8:30PM Apr 11, 2021Observed: 2.08 ft at 8:31PM Apr 11, 2021Observed: 2.1 ft at 8:45PM Apr 11, 2021Observed: 2.09 ft at 9:00PM Apr 11, 2021Observed: 2.03 ft at 9:15PM Apr 11, 2021Observed: 2.1 ft at 9:30PM Apr 11, 2021Observed: 2.1 ft at 9:45PM Apr 11, 2021Observed: 2.07 ft at 10:00PM Apr 11, 2021Observed: 2.07 ft at 10:01PM Apr 11, 2021Observed: 2.13 ft at 10:15PM Apr 11, 2021Observed: 2.13 ft at 10:16PM Apr 11, 2021Observed: 2.09 ft at 10:30PM Apr 11, 2021Observed: 2.09 ft at 10:31PM Apr 11, 2021Observed: 2.11 ft at 10:45PM Apr 11, 2021Observed: 2.05 ft at 11:00PM Apr 11, 2021Observed: 2.05 ft at 11:01PM Apr 11, 2021Observed: 2 ft at 11:15PM Apr 11, 2021Observed: 2 ft at 11:16PM Apr 11, 2021Observed: 2.12 ft at 11:30PM Apr 11, 2021Observed: 2.12 ft at 11:31PM Apr 11, 2021Observed: 2 ft at 11:45PM Apr 11, 2021Observed: 2.06 ft at 12:00AM Apr 12, 2021Observed: 2.04 ft at 12:15AM Apr 12, 2021Observed: 2.04 ft at 12:16AM Apr 12, 2021Observed: 2.05 ft at 12:30AM Apr 12, 2021Observed: 2.05 ft at 12:31AM Apr 12, 2021Observed: 2.01 ft at 12:45AM Apr 12, 2021Observed: 2.01 ft at 12:46AM Apr 12, 2021Observed: 2.07 ft at 1:00AM Apr 12, 2021Observed: 2.08 ft at 1:15AM Apr 12, 2021Observed: 2.08 ft at 1:16AM Apr 12, 2021Observed: 2.1 ft at 1:30AM Apr 12, 2021Observed: 2.1 ft at 1:31AM Apr 12, 2021Observed: 2.05 ft at 1:45AM Apr 12, 2021Observed: 2.05 ft at 1:46AM Apr 12, 2021Observed: 2.1 ft at 2:00AM Apr 12, 2021Observed: 2.08 ft at 2:15AM Apr 12, 2021Observed: 2.08 ft at 2:16AM Apr 12, 2021Observed: 2.08 ft at 2:30AM Apr 12, 2021Observed: 2.08 ft at 2:31AM Apr 12, 2021Observed: 2.07 ft at 2:45AM Apr 12, 2021Observed: 2.07 ft at 2:46AM Apr 12, 2021Observed: 2.02 ft at 3:00AM Apr 12, 2021Observed: 2.09 ft at 3:15AM Apr 12, 2021Observed: 2 ft at 3:30AM Apr 12, 2021Observed: 2.04 ft at 3:45AM Apr 12, 2021Observed: 2.05 ft at 4:00AM Apr 12, 2021Observed: 2.03 ft at 4:15AM Apr 12, 2021Observed: 2.03 ft at 4:16AM Apr 12, 2021Observed: 2.03 ft at 4:30AM Apr 12, 2021Observed: 2.03 ft at 4:31AM Apr 12, 2021Observed: 2.07 ft at 4:45AM Apr 12, 2021Observed: 2.07 ft at 4:46AM Apr 12, 2021Observed: 2 ft at 5:00AM Apr 12, 2021Observed: 2.05 ft at 7:15AM Apr 12, 2021Observed: 1.99 ft at 7:30AM Apr 12, 2021Observed: 2 ft at 7:45AM Apr 12, 2021Observed: 2 ft at 8:00AM Apr 12, 2021Observed: 2 ft at 8:15AM Apr 12, 2021Observed: 2 ft at 8:16AM Apr 12, 2021Observed: 2.04 ft at 8:30AM Apr 12, 2021Observed: 2.04 ft at 8:31AM Apr 12, 2021Observed: 2.01 ft at 8:45AM Apr 12, 2021Observed: 2.01 ft at 8:46AM Apr 12, 2021Observed: 2.02 ft at 9:00AM Apr 12, 2021Observed: 2.03 ft at 9:15AM Apr 12, 2021Observed: 2 ft at 9:30AM Apr 12, 2021Observed: 2.02 ft at 9:45AM Apr 12, 2021Observed: 2.04 ft at 10:00AM Apr 12, 2021Observed: 2.03 ft at 10:15AM Apr 12, 2021Observed: 2.03 ft at 10:16AM Apr 12, 2021Observed: 2 ft at 10:30AM Apr 12, 2021Observed: 2 ft at 10:31AM Apr 12, 2021Observed: 2.01 ft at 10:45AM Apr 12, 2021Observed: 2.01 ft at 10:46AM Apr 12, 2021Observed: 1.96 ft at 11:00AM Apr 12, 2021Observed: 1.97 ft at 11:15AM Apr 12, 2021Observed: 1.99 ft at 11:30AM Apr 12, 2021Observed: 1.97 ft at 11:45AM Apr 12, 2021Observed: 1.99 ft at 12:00PM Apr 12, 2021Observed: 2.02 ft at 12:15PM Apr 12, 2021Observed: 2.02 ft at 12:30PM Apr 12, 2021Observed: 2.02 ft at 12:31PM Apr 12, 2021Observed: 1.98 ft at 12:45PM Apr 12, 2021Observed: 1.98 ft at 12:46PM Apr 12, 2021Observed: 1.98 ft at 1:00PM Apr 12, 2021Observed: 1.98 ft at 1:01PM Apr 12, 2021Observed: 1.99 ft at 1:15PM Apr 12, 2021Observed: 2.03 ft at 1:30PM Apr 12, 2021Observed: 2.01 ft at 1:45PM Apr 12, 2021Observed: 2.03 ft at 2:00PM Apr 12, 2021Observed: 1.97 ft at 2:15PM Apr 12, 2021Observed: 2.05 ft at 2:30PM Apr 12, 2021Observed: 1.96 ft at 2:45PM Apr 12, 2021Observed: 2.04 ft at 3:00PM Apr 12, 2021Observed: 1.96 ft at 3:15PM Apr 12, 2021Observed: 1.95 ft at 3:30PM Apr 12, 2021Observed: 1.95 ft at 3:31PM Apr 12, 2021Observed: 1.96 ft at 3:45PM Apr 12, 2021Observed: 1.96 ft at 3:46PM Apr 12, 2021Observed: 1.98 ft at 4:00PM Apr 12, 2021Observed: 1.98 ft at 4:01PM Apr 12, 2021Observed: 2.02 ft at 4:15PM Apr 12, 2021Observed: 1.99 ft at 4:30PM Apr 12, 2021Observed: 1.99 ft at 4:31PM Apr 12, 2021Observed: 1.98 ft at 4:45PM Apr 12, 2021Observed: 1.98 ft at 4:46PM Apr 12, 2021Observed: 1.99 ft at 5:00PM Apr 12, 2021Observed: 1.99 ft at 5:01PM Apr 12, 2021Observed: 1.97 ft at 5:15PM Apr 12, 2021Observed: 1.97 ft at 5:30PM Apr 12, 2021Observed: 1.97 ft at 5:31PM Apr 12, 2021Observed: 1.95 ft at 5:45PM Apr 12, 2021Observed: 1.95 ft at 5:46PM Apr 12, 2021Observed: 1.98 ft at 6:00PM Apr 12, 2021Observed: 1.98 ft at 6:01PM Apr 12, 2021Observed: 1.96 ft at 6:15PM Apr 12, 2021Observed: 1.96 ft at 6:30PM Apr 12, 2021Observed: 1.96 ft at 6:31PM Apr 12, 2021Observed: 1.99 ft at 6:45PM Apr 12, 2021Observed: 1.99 ft at 6:46PM Apr 12, 2021Observed: 1.99 ft at 7:00PM Apr 12, 2021Observed: 1.99 ft at 7:01PM Apr 12, 2021Observed: 1.96 ft at 7:15PM Apr 12, 2021Observed: 1.93 ft at 7:30PM Apr 12, 2021Observed: 1.95 ft at 8:00PM Apr 12, 2021Observed: 1.97 ft at 8:15PM Apr 12, 2021Observed: 1.95 ft at 8:30PM Apr 12, 2021Observed: 1.95 ft at 8:31PM Apr 12, 2021Observed: 1.94 ft at 9:00PM Apr 12, 2021Observed: 1.94 ft at 9:01PM Apr 12, 2021Observed: 1.92 ft at 9:15PM Apr 12, 2021Observed: 1.91 ft at 9:30PM Apr 12, 2021Observed: 1.93 ft at 9:45PM Apr 12, 2021Observed: 1.91 ft at 10:00PM Apr 12, 2021Observed: 1.94 ft at 10:30PM Apr 12, 2021Observed: 1.93 ft at 10:45PM Apr 12, 2021Observed: 1.93 ft at 11:00PM Apr 12, 2021Observed: 1.93 ft at 11:15PM Apr 12, 2021Observed: 1.93 ft at 11:30PM Apr 12, 2021Observed: 1.91 ft at 11:45PM Apr 12, 2021Observed: 1.91 ft at 11:46PM Apr 12, 2021Observed: 1.98 ft at 12:00AM Apr 13, 2021Observed: 1.98 ft at 12:01AM Apr 13, 2021Observed: 1.95 ft at 12:15AM Apr 13, 2021Observed: 1.95 ft at 12:16AM Apr 13, 2021Observed: 1.96 ft at 12:30AM Apr 13, 2021Observed: 1.92 ft at 12:45AM Apr 13, 2021Observed: 1.92 ft at 12:46AM Apr 13, 2021Observed: 1.95 ft at 1:00AM Apr 13, 2021Observed: 1.95 ft at 1:01AM Apr 13, 2021Observed: 1.92 ft at 1:15AM Apr 13, 2021Observed: 1.92 ft at 1:16AM Apr 13, 2021Observed: 1.95 ft at 1:30AM Apr 13, 2021Observed: 1.94 ft at 1:45AM Apr 13, 2021Observed: 1.94 ft at 1:46AM Apr 13, 2021Observed: 1.97 ft at 2:00AM Apr 13, 2021Observed: 1.97 ft at 2:01AM Apr 13, 2021Observed: 1.98 ft at 2:15AM Apr 13, 2021Observed: 1.98 ft at 2:16AM Apr 13, 2021Observed: 1.9 ft at 2:30AM Apr 13, 2021Observed: 1.92 ft at 2:45AM Apr 13, 2021Observed: 2 ft at 3:00AM Apr 13, 2021Observed: 1.9 ft at 3:15AM Apr 13, 2021Observed: 1.98 ft at 3:30AM Apr 13, 2021Observed: 1.9 ft at 3:45AM Apr 13, 2021Observed: 1.9 ft at 3:46AM Apr 13, 2021Observed: 1.93 ft at 4:00AM Apr 13, 2021Observed: 1.93 ft at 4:01AM Apr 13, 2021Observed: 1.92 ft at 4:16AM Apr 13, 2021Observed: 1.91 ft at 8:15AM Apr 13, 2021Observed: 1.9 ft at 8:30AM Apr 13, 2021Observed: 1.9 ft at 8:45AM Apr 13, 2021Observed: 1.88 ft at 9:00AM Apr 13, 2021Observed: 1.88 ft at 9:15AM Apr 13, 2021Observed: 1.88 ft at 9:30AM Apr 13, 2021Observed: 1.93 ft at 9:45AM Apr 13, 2021Observed: 1.89 ft at 10:15AM Apr 13, 2021Observed: 1.89 ft at 10:16AM Apr 13, 2021Observed: 1.88 ft at 10:30AM Apr 13, 2021Observed: 1.88 ft at 10:31AM Apr 13, 2021Observed: 1.9 ft at 10:45AM Apr 13, 2021Observed: 1.89 ft at 11:00AM Apr 13, 2021Observed: 1.89 ft at 11:01AM Apr 13, 2021Observed: 1.92 ft at 11:15AM Apr 13, 2021Observed: 1.92 ft at 11:16AM Apr 13, 2021Observed: 1.9 ft at 11:30AM Apr 13, 2021Observed: 1.9 ft at 11:31AM Apr 13, 2021Observed: 1.91 ft at 11:45AM Apr 13, 2021Observed: 1.9 ft at 12:00PM Apr 13, 2021Observed: 1.9 ft at 12:01PM Apr 13, 2021Observed: 1.94 ft at 12:15PM Apr 13, 2021Observed: 1.94 ft at 12:16PM Apr 13, 2021Observed: 1.91 ft at 12:30PM Apr 13, 2021Observed: 1.91 ft at 12:31PM Apr 13, 2021Observed: 1.93 ft at 12:45PM Apr 13, 2021Observed: 1.88 ft at 1:00PM Apr 13, 2021Observed: 1.95 ft at 1:15PM Apr 13, 2021Observed: 1.92 ft at 1:30PM Apr 13, 2021Observed: 1.88 ft at 1:45PM Apr 13, 2021Observed: 1.87 ft at 2:00PM Apr 13, 2021Observed: 1.87 ft at 2:01PM Apr 13, 2021Observed: 1.93 ft at 2:15PM Apr 13, 2021Observed: 1.93 ft at 2:16PM Apr 13, 2021Observed: 1.88 ft at 2:30PM Apr 13, 2021Observed: 1.88 ft at 2:31PM Apr 13, 2021Observed: 1.86 ft at 2:45PM Apr 13, 2021Observed: 1.86 ft at 3:00PM Apr 13, 2021Observed: 1.86 ft at 3:01PM Apr 13, 2021Observed: 1.92 ft at 3:15PM Apr 13, 2021Observed: 1.92 ft at 3:16PM Apr 13, 2021Observed: 1.87 ft at 3:30PM Apr 13, 2021Observed: 1.87 ft at 3:31PM Apr 13, 2021Observed: 1.87 ft at 3:45PM Apr 13, 2021Observed: 1.88 ft at 4:00PM Apr 13, 2021Observed: 1.88 ft at 4:01PM Apr 13, 2021Observed: 1.86 ft at 4:15PM Apr 13, 2021Observed: 1.86 ft at 4:16PM Apr 13, 2021Observed: 1.9 ft at 4:30PM Apr 13, 2021Observed: 1.9 ft at 4:31PM Apr 13, 2021Observed: 1.85 ft at 4:45PM Apr 13, 2021Observed: 1.91 ft at 5:00PM Apr 13, 2021Observed: 1.92 ft at 5:15PM Apr 13, 2021Observed: 1.91 ft at 5:30PM Apr 13, 2021Observed: 1.86 ft at 5:45PM Apr 13, 2021Observed: 1.88 ft at 6:00PM Apr 13, 2021Observed: 1.88 ft at 6:15PM Apr 13, 2021Observed: 1.88 ft at 6:16PM Apr 13, 2021Observed: 1.9 ft at 6:30PM Apr 13, 2021Observed: 1.9 ft at 6:31PM Apr 13, 2021Observed: 1.92 ft at 6:45PM Apr 13, 2021Observed: 1.92 ft at 6:46PM Apr 13, 2021Observed: 1.88 ft at 7:00PM Apr 13, 2021Observed: 1.88 ft at 7:15PM Apr 13, 2021Observed: 1.88 ft at 7:16PM Apr 13, 2021Observed: 1.86 ft at 7:30PM Apr 13, 2021Observed: 1.86 ft at 7:31PM Apr 13, 2021Observed: 1.84 ft at 7:45PM Apr 13, 2021Observed: 1.84 ft at 7:46PM Apr 13, 2021Observed: 1.86 ft at 8:00PM Apr 13, 2021Observed: 1.86 ft at 8:15PM Apr 13, 2021Observed: 1.86 ft at 8:30PM Apr 13, 2021Observed: 1.84 ft at 8:45PM Apr 13, 2021Observed: 1.84 ft at 9:00PM Apr 13, 2021Observed: 1.85 ft at 9:30PM Apr 13, 2021Observed: 1.85 ft at 9:31PM Apr 13, 2021Observed: 1.87 ft at 9:45PM Apr 13, 2021Observed: 1.87 ft at 9:46PM Apr 13, 2021Observed: 1.86 ft at 10:00PM Apr 13, 2021Observed: 1.89 ft at 10:15PM Apr 13, 2021Observed: 1.89 ft at 10:16PM Apr 13, 2021Observed: 1.88 ft at 10:30PM Apr 13, 2021Observed: 1.88 ft at 10:31PM Apr 13, 2021Observed: 1.83 ft at 10:45PM Apr 13, 2021Observed: 1.83 ft at 10:46PM Apr 13, 2021Observed: 1.86 ft at 11:00PM Apr 13, 2021Observed: 1.87 ft at 11:15PM Apr 13, 2021Observed: 1.87 ft at 11:30PM Apr 13, 2021Observed: 1.88 ft at 11:45PM Apr 13, 2021Observed: 1.88 ft at 12:00AM Apr 14, 2021Observed: 1.85 ft at 12:15AM Apr 14, 2021Observed: 1.83 ft at 12:30AM Apr 14, 2021Observed: 1.87 ft at 12:45AM Apr 14, 2021Observed: 1.84 ft at 1:00AM Apr 14, 2021Observed: 1.85 ft at 1:15AM Apr 14, 2021Observed: 1.85 ft at 1:16AM Apr 14, 2021Observed: 1.84 ft at 1:30AM Apr 14, 2021Observed: 1.84 ft at 1:31AM Apr 14, 2021Observed: 1.84 ft at 1:45AM Apr 14, 2021Observed: 1.84 ft at 1:46AM Apr 14, 2021Observed: 1.85 ft at 2:00AM Apr 14, 2021Observed: 1.82 ft at 2:15AM Apr 14, 2021Observed: 1.82 ft at 2:16AM Apr 14, 2021Observed: 1.87 ft at 2:30AM Apr 14, 2021Observed: 1.87 ft at 2:31AM Apr 14, 2021Observed: 1.87 ft at 2:45AM Apr 14, 2021Observed: 1.87 ft at 2:46AM Apr 14, 2021Observed: 1.86 ft at 3:00AM Apr 14, 2021Observed: 1.89 ft at 3:15AM Apr 14, 2021Observed: 1.82 ft at 3:30AM Apr 14, 2021Observed: 1.81 ft at 3:45AM Apr 14, 2021Observed: 1.87 ft at 4:00AM Apr 14, 2021Observed: 1.83 ft at 4:15AM Apr 14, 2021Observed: 1.83 ft at 4:30AM Apr 14, 2021Observed: 1.83 ft at 4:31AM Apr 14, 2021Observed: 1.84 ft at 4:45AM Apr 14, 2021Observed: 1.84 ft at 4:46AM Apr 14, 2021Observed: 1.81 ft at 5:00AM Apr 14, 2021Observed: 1.81 ft at 5:01AM Apr 14, 2021Observed: 1.84 ft at 5:15AM Apr 14, 2021Observed: 1.84 ft at 5:30AM Apr 14, 2021Observed: 1.85 ft at 5:45AM Apr 14, 2021Observed: 1.89 ft at 6:00AM Apr 14, 2021Observed: 1.83 ft at 7:15AM Apr 14, 2021Observed: 1.84 ft at 7:30AM Apr 14, 2021Observed: 1.82 ft at 7:45AM Apr 14, 2021Observed: 1.83 ft at 8:00AM Apr 14, 2021Observed: 1.83 ft at 8:15AM Apr 14, 2021Observed: 1.83 ft at 8:30AM Apr 14, 2021Observed: 1.85 ft at 8:45AM Apr 14, 2021Observed: 1.84 ft at 9:00AM Apr 14, 2021Observed: 1.84 ft at 9:15AM Apr 14, 2021Observed: 1.85 ft at 9:30AM Apr 14, 2021Observed: 1.85 ft at 9:31AM Apr 14, 2021Observed: 1.86 ft at 9:45AM Apr 14, 2021Observed: 1.86 ft at 9:46AM Apr 14, 2021Observed: 1.88 ft at 10:00AM Apr 14, 2021Observed: 1.88 ft at 10:01AM Apr 14, 2021Observed: 1.83 ft at 10:15AM Apr 14, 2021Observed: 1.85 ft at 10:30AM Apr 14, 2021Observed: 1.85 ft at 10:31AM Apr 14, 2021Observed: 1.83 ft at 10:45AM Apr 14, 2021Observed: 1.83 ft at 10:46AM Apr 14, 2021Observed: 1.86 ft at 11:00AM Apr 14, 2021Observed: 1.86 ft at 11:01AM Apr 14, 2021Observed: 1.84 ft at 11:15AM Apr 14, 2021Observed: 1.88 ft at 11:30AM Apr 14, 2021Observed: 1.88 ft at 11:31AM Apr 14, 2021Observed: 1.84 ft at 11:45AM Apr 14, 2021Observed: 1.84 ft at 11:46AM Apr 14, 2021Observed: 1.82 ft at 12:00PM Apr 14, 2021Observed: 1.82 ft at 12:01PM Apr 14, 2021Observed: 1.86 ft at 12:15PM Apr 14, 2021Observed: 1.84 ft at 12:30PM Apr 14, 2021Observed: 1.84 ft at 12:31PM Apr 14, 2021Observed: 1.81 ft at 12:45PM Apr 14, 2021Observed: 1.81 ft at 12:46PM Apr 14, 2021Observed: 1.83 ft at 1:00PM Apr 14, 2021Observed: 1.83 ft at 1:01PM Apr 14, 2021Observed: 1.84 ft at 1:15PM Apr 14, 2021Observed: 1.8 ft at 1:30PM Apr 14, 2021Observed: 1.81 ft at 1:45PM Apr 14, 2021Observed: 1.8 ft at 2:00PM Apr 14, 2021Observed: 1.79 ft at 2:15PM Apr 14, 2021Observed: 1.81 ft at 2:30PM Apr 14, 2021Observed: 1.8 ft at 2:45PM Apr 14, 2021Observed: 1.81 ft at 3:00PM Apr 14, 2021Observed: 1.83 ft at 3:15PM Apr 14, 2021Observed: 1.8 ft at 3:30PM Apr 14, 2021Observed: 1.84 ft at 3:45PM Apr 14, 2021Observed: 1.82 ft at 4:00PM Apr 14, 2021Observed: 1.83 ft at 4:15PM Apr 14, 2021Observed: 1.85 ft at 4:30PM Apr 14, 2021Observed: 1.84 ft at 4:45PM Apr 14, 2021Observed: 1.84 ft at 4:46PM Apr 14, 2021Observed: 1.81 ft at 5:00PM Apr 14, 2021Observed: 1.81 ft at 5:01PM Apr 14, 2021Observed: 1.84 ft at 5:15PM Apr 14, 2021Observed: 1.84 ft at 5:16PM Apr 14, 2021Observed: 1.85 ft at 5:30PM Apr 14, 2021Observed: 1.8 ft at 5:45PM Apr 14, 2021Observed: 1.8 ft at 5:46PM Apr 14, 2021Observed: 1.82 ft at 6:00PM Apr 14, 2021Observed: 1.82 ft at 6:01PM Apr 14, 2021Observed: 1.82 ft at 6:15PM Apr 14, 2021Observed: 1.82 ft at 6:16PM Apr 14, 2021Observed: 1.79 ft at 6:30PM Apr 14, 2021Observed: 1.79 ft at 6:45PM Apr 14, 2021Observed: 1.79 ft at 6:46PM Apr 14, 2021Observed: 1.8 ft at 7:00PM Apr 14, 2021Observed: 1.8 ft at 7:01PM Apr 14, 2021Observed: 1.83 ft at 7:15PM Apr 14, 2021Observed: 1.83 ft at 7:16PM Apr 14, 2021Observed: 1.79 ft at 7:30PM Apr 14, 2021Observed: 1.83 ft at 7:45PM Apr 14, 2021Observed: 1.83 ft at 7:46PM Apr 14, 2021Observed: 1.81 ft at 8:00PM Apr 14, 2021Observed: 1.81 ft at 8:01PM Apr 14, 2021Observed: 1.79 ft at 8:15PM Apr 14, 2021Observed: 1.79 ft at 8:16PM Apr 14, 2021Observed: 1.78 ft at 8:30PM Apr 14, 2021Observed: 1.79 ft at 8:45PM Apr 14, 2021Observed: 1.78 ft at 9:00PM Apr 14, 2021Observed: 1.77 ft at 9:15PM Apr 14, 2021Observed: 1.78 ft at 9:30PM Apr 14, 2021Observed: 1.79 ft at 9:45PM Apr 14, 2021Observed: 1.79 ft at 9:46PM Apr 14, 2021Observed: 1.79 ft at 10:00PM Apr 14, 2021Observed: 1.79 ft at 10:01PM Apr 14, 2021Observed: 1.77 ft at 10:15PM Apr 14, 2021Observed: 1.77 ft at 10:16PM Apr 14, 2021Observed: 1.78 ft at 10:30PM Apr 14, 2021Observed: 1.78 ft at 10:45PM Apr 14, 2021Observed: 1.78 ft at 11:00PM Apr 14, 2021Observed: 1.8 ft at 11:15PM Apr 14, 2021Observed: 1.83 ft at 11:30PM Apr 14, 2021Observed: 1.78 ft at 11:45PM Apr 14, 2021Observed: 1.78 ft at 11:46PM Apr 14, 2021Observed: 1.79 ft at 12:00AM Apr 15, 2021Observed: 1.79 ft at 12:01AM Apr 15, 2021Observed: 1.77 ft at 12:15AM Apr 15, 2021Observed: 1.77 ft at 12:16AM Apr 15, 2021Observed: 1.79 ft at 12:30AM Apr 15, 2021Observed: 1.77 ft at 12:45AM Apr 15, 2021Observed: 1.77 ft at 12:46AM Apr 15, 2021Observed: 1.78 ft at 1:00AM Apr 15, 2021Observed: 1.78 ft at 1:01AM Apr 15, 2021Observed: 1.76 ft at 1:15AM Apr 15, 2021Observed: 1.76 ft at 1:16AM Apr 15, 2021Observed: 1.77 ft at 1:30AM Apr 15, 2021Observed: 1.78 ft at 1:45AM Apr 15, 2021Observed: 1.79 ft at 2:00AM Apr 15, 2021Observed: 1.79 ft at 2:01AM Apr 15, 2021Observed: 1.76 ft at 2:15AM Apr 15, 2021Observed: 1.76 ft at 2:16AM Apr 15, 2021Observed: 1.79 ft at 2:30AM Apr 15, 2021Observed: 1.79 ft at 2:31AM Apr 15, 2021Observed: 1.78 ft at 2:45AM Apr 15, 2021Observed: 1.75 ft at 3:00AM Apr 15, 2021Observed: 1.75 ft at 3:01AM Apr 15, 2021Observed: 1.75 ft at 3:16AM Apr 15, 2021Observed: 1.77 ft at 3:31AM Apr 15, 2021Observed: 1.76 ft at 8:15AM Apr 15, 2021Observed: 1.76 ft at 8:30AM Apr 15, 2021Observed: 1.78 ft at 8:45AM Apr 15, 2021Observed: 1.81 ft at 9:00AM Apr 15, 2021Observed: 1.81 ft at 9:01AM Apr 15, 2021Observed: 1.75 ft at 9:15AM Apr 15, 2021Observed: 1.75 ft at 9:16AM Apr 15, 2021Observed: 1.76 ft at 9:30AM Apr 15, 2021Observed: 1.76 ft at 9:31AM Apr 15, 2021Observed: 1.75 ft at 9:45AM Apr 15, 2021Observed: 1.75 ft at 10:00AM Apr 15, 2021Observed: 1.75 ft at 11:00AM Apr 15, 2021Observed: 1.74 ft at 11:15AM Apr 15, 2021Observed: 1.74 ft at 11:30AM Apr 15, 2021Observed: 1.75 ft at 11:45AM Apr 15, 2021Observed: 1.74 ft at 12:00PM Apr 15, 2021Observed: 1.75 ft at 12:15PM Apr 15, 2021Observed: 1.75 ft at 12:30PM Apr 15, 2021Observed: 1.75 ft at 12:45PM Apr 15, 2021Observed: 1.74 ft at 1:00PM Apr 15, 2021Observed: 1.75 ft at 1:15PM Apr 15, 2021Observed: 1.75 ft at 1:30PM Apr 15, 2021Observed: 1.75 ft at 1:45PM Apr 15, 2021Observed: 1.75 ft at 2:00PM Apr 15, 2021Observed: 1.75 ft at 2:15PM Apr 15, 2021Observed: 1.75 ft at 2:30PM Apr 15, 2021Observed: 1.75 ft at 2:45PM Apr 15, 2021Observed: 1.76 ft at 3:00PM Apr 15, 2021Observed: 1.75 ft at 3:15PM Apr 15, 2021Observed: 1.75 ft at 3:30PM Apr 15, 2021Observed: 1.76 ft at 3:45PM Apr 15, 2021Observed: 1.75 ft at 4:00PM Apr 15, 2021Observed: 1.75 ft at 4:15PM Apr 15, 2021Observed: 1.75 ft at 4:30PM Apr 15, 2021Observed: 1.75 ft at 4:45PM Apr 15, 2021Observed: 1.75 ft at 5:00PM Apr 15, 2021Observed: 1.75 ft at 5:15PM Apr 15, 2021Observed: 1.75 ft at 5:30PM Apr 15, 2021Observed: 1.75 ft at 5:45PM Apr 15, 2021Observed: 1.75 ft at 6:00PM Apr 15, 2021Observed: 1.76 ft at 6:15PM Apr 15, 2021Observed: 1.76 ft at 6:16PM Apr 15, 2021Observed: 1.75 ft at 6:30PM Apr 15, 2021Observed: 1.75 ft at 6:31PM Apr 15, 2021Observed: 1.75 ft at 6:45PM Apr 15, 2021Observed: 1.75 ft at 6:46PM Apr 15, 2021Observed: 1.75 ft at 7:00PM Apr 15, 2021Observed: 1.75 ft at 7:15PM Apr 15, 2021Observed: 1.75 ft at 7:30PM Apr 15, 2021Observed: 1.75 ft at 7:45PM Apr 15, 2021Observed: 1.75 ft at 8:00PM Apr 15, 2021Observed: 1.75 ft at 8:15PM Apr 15, 2021Observed: 1.75 ft at 8:30PM Apr 15, 2021Observed: 1.75 ft at 8:45PM Apr 15, 2021Observed: 1.76 ft at 9:00PM Apr 15, 2021Observed: 1.76 ft at 9:15PM Apr 15, 2021Observed: 1.76 ft at 9:30PM Apr 15, 2021Observed: 1.75 ft at 9:45PM Apr 15, 2021Observed: 1.75 ft at 10:00PM Apr 15, 2021Observed: 1.76 ft at 10:15PM Apr 15, 2021Observed: 1.76 ft at 10:30PM Apr 15, 2021Observed: 1.76 ft at 10:45PM Apr 15, 2021Observed: 1.76 ft at 11:00PM Apr 15, 2021Observed: 1.76 ft at 11:15PM Apr 15, 2021Observed: 1.77 ft at 11:30PM Apr 15, 2021Observed: 1.77 ft at 11:45PM Apr 15, 2021Observed: 1.77 ft at 12:00AM Apr 16, 2021Observed: 1.78 ft at 12:15AM Apr 16, 2021Observed: 1.77 ft at 12:30AM Apr 16, 2021Observed: 1.77 ft at 12:45AM Apr 16, 2021Observed: 1.78 ft at 1:00AM Apr 16, 2021Observed: 1.77 ft at 1:15AM Apr 16, 2021Observed: 1.78 ft at 1:30AM Apr 16, 2021Observed: 1.77 ft at 1:45AM Apr 16, 2021Observed: 1.77 ft at 2:00AM Apr 16, 2021Observed: 1.77 ft at 2:15AM Apr 16, 2021Observed: 1.77 ft at 2:16AM Apr 16, 2021Observed: 1.77 ft at 2:30AM Apr 16, 2021Observed: 1.77 ft at 2:31AM Apr 16, 2021Observed: 1.77 ft at 2:45AM Apr 16, 2021Observed: 1.77 ft at 2:46AM Apr 16, 2021Observed: 1.76 ft at 3:00AM Apr 16, 2021Observed: 1.76 ft at 3:15AM Apr 16, 2021Observed: 1.77 ft at 3:30AM Apr 16, 2021Observed: 1.76 ft at 3:45AM Apr 16, 2021Observed: 1.77 ft at 4:00AM Apr 16, 2021Observed: 1.77 ft at 4:15AM Apr 16, 2021Observed: 1.79 ft at 4:30AM Apr 16, 2021Observed: 1.75 ft at 4:45AM Apr 16, 2021Observed: 1.76 ft at 5:00AM Apr 16, 2021Observed: 1.76 ft at 5:15AM Apr 16, 2021Observed: 1.75 ft at 5:30AM Apr 16, 2021Observed: 1.75 ft at 5:45AM Apr 16, 2021Observed: 1.75 ft at 6:00AM Apr 16, 2021Observed: 1.76 ft at 6:15AM Apr 16, 2021Observed: 1.75 ft at 6:30AM Apr 16, 2021Observed: 1.75 ft at 6:45AM Apr 16, 2021Observed: 1.76 ft at 7:00AM Apr 16, 2021Observed: 1.77 ft at 7:15AM Apr 16, 2021Observed: 1.75 ft at 7:30AM Apr 16, 2021Observed: 1.76 ft at 7:45AM Apr 16, 2021Observed: 1.76 ft at 8:00AM Apr 16, 2021Observed: 1.75 ft at 8:15AM Apr 16, 2021Observed: 1.75 ft at 8:30AM Apr 16, 2021Observed: 1.76 ft at 8:45AM Apr 16, 2021Observed: 1.76 ft at 9:00AM Apr 16, 2021Observed: 1.75 ft at 11:15AM Apr 16, 2021Observed: 1.76 ft at 11:30AM Apr 16, 2021Observed: 1.74 ft at 11:45AM Apr 16, 2021Observed: 1.76 ft at 12:00PM Apr 16, 2021Observed: 1.74 ft at 12:15PM Apr 16, 2021Observed: 1.74 ft at 12:30PM Apr 16, 2021Observed: 1.74 ft at 12:45PM Apr 16, 2021Observed: 1.74 ft at 1:00PM Apr 16, 2021Observed: 1.75 ft at 1:15PM Apr 16, 2021Observed: 1.74 ft at 1:30PM Apr 16, 2021Observed: 1.74 ft at 1:45PM Apr 16, 2021Observed: 1.74 ft at 2:00PM Apr 16, 2021Observed: 1.74 ft at 2:15PM Apr 16, 2021Observed: 1.76 ft at 2:30PM Apr 16, 2021Observed: 1.75 ft at 2:45PM Apr 16, 2021Observed: 1.76 ft at 3:00PM Apr 16, 2021Observed: 1.75 ft at 3:15PM Apr 16, 2021Observed: 1.74 ft at 3:30PM Apr 16, 2021Observed: 1.75 ft at 3:45PM Apr 16, 2021Observed: 1.74 ft at 4:00PM Apr 16, 2021Observed: 1.74 ft at 4:15PM Apr 16, 2021Observed: 1.75 ft at 4:30PM Apr 16, 2021Observed: 1.74 ft at 4:45PM Apr 16, 2021Observed: 1.75 ft at 5:00PM Apr 16, 2021Observed: 1.75 ft at 5:15PM Apr 16, 2021Observed: 1.75 ft at 5:30PM Apr 16, 2021Observed: 1.74 ft at 5:45PM Apr 16, 2021Observed: 1.75 ft at 6:00PM Apr 16, 2021Observed: 1.75 ft at 6:15PM Apr 16, 2021Observed: 1.75 ft at 6:16PM Apr 16, 2021Observed: 1.74 ft at 6:30PM Apr 16, 2021Observed: 1.74 ft at 6:31PM Apr 16, 2021Observed: 1.75 ft at 6:45PM Apr 16, 2021Observed: 1.75 ft at 6:46PM Apr 16, 2021Observed: 1.76 ft at 7:00PM Apr 16, 2021Observed: 1.76 ft at 7:15PM Apr 16, 2021Observed: 1.74 ft at 7:30PM Apr 16, 2021Observed: 1.74 ft at 7:45PM Apr 16, 2021Observed: 1.75 ft at 8:00PM Apr 16, 2021Observed: 1.75 ft at 8:15PM Apr 16, 2021Observed: 1.76 ft at 8:30PM Apr 16, 2021Observed: 1.74 ft at 8:45PM Apr 16, 2021Observed: 1.74 ft at 9:00PM Apr 16, 2021Observed: 1.75 ft at 9:15PM Apr 16, 2021Observed: 1.75 ft at 9:30PM Apr 16, 2021Observed: 1.75 ft at 9:45PM Apr 16, 2021Observed: 1.75 ft at 10:00PM Apr 16, 2021Observed: 1.76 ft at 10:15PM Apr 16, 2021Observed: 1.76 ft at 10:30PM Apr 16, 2021Observed: 1.76 ft at 10:45PM Apr 16, 2021Observed: 1.75 ft at 11:00PM Apr 16, 2021Observed: 1.76 ft at 11:15PM Apr 16, 2021Observed: 1.75 ft at 11:30PM Apr 16, 2021Observed: 1.75 ft at 11:45PM Apr 16, 2021Observed: 1.76 ft at 12:00AM Apr 17, 2021Observed: 1.74 ft at 12:15AM Apr 17, 2021Observed: 1.74 ft at 12:30AM Apr 17, 2021Observed: 1.75 ft at 12:45AM Apr 17, 2021Observed: 1.74 ft at 1:00AM Apr 17, 2021Observed: 1.74 ft at 1:15AM Apr 17, 2021Observed: 1.74 ft at 1:30AM Apr 17, 2021Observed: 1.74 ft at 1:45AM Apr 17, 2021Observed: 1.74 ft at 2:00AM Apr 17, 2021Observed: 1.74 ft at 2:15AM Apr 17, 2021Observed: 1.75 ft at 2:30AM Apr 17, 2021Observed: 1.74 ft at 2:45AM Apr 17, 2021Observed: 1.74 ft at 3:00AM Apr 17, 2021Observed: 1.75 ft at 3:15AM Apr 17, 2021Observed: 1.74 ft at 3:30AM Apr 17, 2021Observed: 1.75 ft at 3:45AM Apr 17, 2021Observed: 1.74 ft at 4:00AM Apr 17, 2021Observed: 1.75 ft at 4:15AM Apr 17, 2021Observed: 1.74 ft at 4:30AM Apr 17, 2021Observed: 1.75 ft at 4:45AM Apr 17, 2021Observed: 1.74 ft at 5:00AM Apr 17, 2021Observed: 1.74 ft at 5:15AM Apr 17, 2021Observed: 1.74 ft at 5:30AM Apr 17, 2021Observed: 1.74 ft at 5:45AM Apr 17, 2021Observed: 1.74 ft at 6:00AM Apr 17, 2021Observed: 1.73 ft at 6:15AM Apr 17, 2021Observed: 1.74 ft at 6:30AM Apr 17, 2021Observed: 1.74 ft at 6:45AM Apr 17, 2021Observed: 1.74 ft at 7:00AM Apr 17, 2021Observed: 1.74 ft at 7:15AM Apr 17, 2021Observed: 1.73 ft at 7:30AM Apr 17, 2021Observed: 1.73 ft at 7:45AM Apr 17, 2021Observed: 1.75 ft at 8:00AM Apr 17, 2021Observed: 1.74 ft at 8:15AM Apr 17, 2021Observed: 1.73 ft at 8:30AM Apr 17, 2021Observed: 1.74 ft at 8:45AM Apr 17, 2021Observed: 1.73 ft at 9:00AM Apr 17, 2021Observed: 1.73 ft at 9:15AM Apr 17, 2021Observed: 1.73 ft at 9:30AM Apr 17, 2021Observed: 1.73 ft at 9:45AM Apr 17, 2021Observed: 1.73 ft at 10:00AM Apr 17, 2021Observed: 1.73 ft at 10:15AM Apr 17, 2021Observed: 1.74 ft at 10:30AM Apr 17, 2021Observed: 1.74 ft at 10:31AM Apr 17, 2021Observed: 1.73 ft at 10:45AM Apr 17, 2021Observed: 1.73 ft at 10:46AM Apr 17, 2021Observed: 1.72 ft at 11:00AM Apr 17, 2021Observed: 1.72 ft at 11:01AM Apr 17, 2021Observed: 1.73 ft at 11:15AM Apr 17, 2021Observed: 1.73 ft at 11:30AM Apr 17, 2021Observed: 1.72 ft at 11:45AM Apr 17, 2021Observed: 1.72 ft at 12:00PM Apr 17, 2021Observed: 1.73 ft at 12:15PM Apr 17, 2021Observed: 1.72 ft at 12:30PM Apr 17, 2021Observed: 1.72 ft at 12:45PM Apr 17, 2021Observed: 1.72 ft at 1:00PM Apr 17, 2021Observed: 1.72 ft at 1:15PM Apr 17, 2021Observed: 1.72 ft at 1:30PM Apr 17, 2021Observed: 1.72 ft at 1:45PM Apr 17, 2021Observed: 1.71 ft at 2:00PM Apr 17, 2021Observed: 1.72 ft at 2:15PM Apr 17, 2021Observed: 1.72 ft at 2:30PM Apr 17, 2021Observed: 1.72 ft at 2:45PM Apr 17, 2021Observed: 1.72 ft at 3:00PM Apr 17, 2021Observed: 1.72 ft at 3:15PM Apr 17, 2021Observed: 1.71 ft at 3:30PM Apr 17, 2021Observed: 1.72 ft at 3:45PM Apr 17, 2021Observed: 1.72 ft at 4:00PM Apr 17, 2021Observed: 1.73 ft at 4:15PM Apr 17, 2021Observed: 1.72 ft at 4:30PM Apr 17, 2021Observed: 1.72 ft at 4:45PM Apr 17, 2021Observed: 1.72 ft at 5:00PM Apr 17, 2021Observed: 1.71 ft at 5:15PM Apr 17, 2021Observed: 1.72 ft at 5:30PM Apr 17, 2021Observed: 1.72 ft at 5:45PM Apr 17, 2021Observed: 1.72 ft at 6:00PM Apr 17, 2021Observed: 1.72 ft at 6:15PM Apr 17, 2021Observed: 1.72 ft at 6:30PM Apr 17, 2021Observed: 1.72 ft at 6:45PM Apr 17, 2021Observed: 1.71 ft at 7:00PM Apr 17, 2021Observed: 1.71 ft at 7:15PM Apr 17, 2021Observed: 1.71 ft at 7:30PM Apr 17, 2021Observed: 1.72 ft at 7:45PM Apr 17, 2021Observed: 1.71 ft at 8:00PM Apr 17, 2021Observed: 1.7 ft at 8:15PM Apr 17, 2021Observed: 1.71 ft at 8:30PM Apr 17, 2021Observed: 1.71 ft at 8:45PM Apr 17, 2021Observed: 1.7 ft at 9:00PM Apr 17, 2021Observed: 1.7 ft at 9:15PM Apr 17, 2021Observed: 1.7 ft at 9:30PM Apr 17, 2021Observed: 1.7 ft at 9:45PM Apr 17, 2021Observed: 1.7 ft at 10:00PM Apr 17, 2021Observed: 1.7 ft at 10:15PM Apr 17, 2021Observed: 1.7 ft at 10:30PM Apr 17, 2021Observed: 1.7 ft at 10:45PM Apr 17, 2021Observed: 1.71 ft at 11:00PM Apr 17, 2021Observed: 1.7 ft at 11:15PM Apr 17, 2021Observed: 1.7 ft at 11:30PM Apr 17, 2021Observed: 1.7 ft at 11:45PM Apr 17, 2021Observed: 1.7 ft at 12:00AM Apr 18, 2021Observed: 1.7 ft at 12:15AM Apr 18, 2021Observed: 1.7 ft at 12:30AM Apr 18, 2021Observed: 1.7 ft at 12:45AM Apr 18, 2021Observed: 1.7 ft at 1:00AM Apr 18, 2021Observed: 1.7 ft at 1:15AM Apr 18, 2021Observed: 1.7 ft at 1:30AM Apr 18, 2021Observed: 1.7 ft at 1:45AM Apr 18, 2021Observed: 1.7 ft at 2:00AM Apr 18, 2021Observed: 1.7 ft at 2:15AM Apr 18, 2021Observed: 1.7 ft at 2:30AM Apr 18, 2021Observed: 1.7 ft at 2:45AM Apr 18, 2021Observed: 1.7 ft at 3:00AM Apr 18, 2021Observed: 1.7 ft at 3:15AM Apr 18, 2021Observed: 1.7 ft at 3:30AM Apr 18, 2021Observed: 1.71 ft at 3:45AM Apr 18, 2021Observed: 1.7 ft at 4:00AM Apr 18, 2021Observed: 1.7 ft at 4:15AM Apr 18, 2021Observed: 1.7 ft at 4:30AM Apr 18, 2021Observed: 1.7 ft at 4:45AM Apr 18, 2021Observed: 1.7 ft at 5:00AM Apr 18, 2021Observed: 1.7 ft at 5:15AM Apr 18, 2021Observed: 1.69 ft at 5:30AM Apr 18, 2021Observed: 1.7 ft at 5:45AM Apr 18, 2021Observed: 1.7 ft at 6:00AM Apr 18, 2021Observed: 1.7 ft at 6:15AM Apr 18, 2021Observed: 1.7 ft at 6:30AM Apr 18, 2021Observed: 1.69 ft at 6:45AM Apr 18, 2021Observed: 1.7 ft at 7:00AM Apr 18, 2021Observed: 1.7 ft at 7:15AM Apr 18, 2021Observed: 1.7 ft at 7:30AM Apr 18, 2021Observed: 1.7 ft at 7:45AM Apr 18, 2021Observed: 1.7 ft at 8:00AM Apr 18, 2021Observed: 1.69 ft at 8:15AM Apr 18, 2021Observed: 1.7 ft at 8:30AM Apr 18, 2021Observed: 1.7 ft at 8:45AM Apr 18, 2021Observed: 1.7 ft at 9:00AM Apr 18, 2021Observed: 1.7 ft at 9:15AM Apr 18, 2021Observed: 1.7 ft at 9:30AM Apr 18, 2021Observed: 1.69 ft at 9:45AM Apr 18, 2021Observed: 1.7 ft at 10:00AM Apr 18, 2021Observed: 1.7 ft at 10:15AM Apr 18, 2021Observed: 1.71 ft at 10:30AM Apr 18, 2021Observed: 1.71 ft at 10:31AM Apr 18, 2021Observed: 1.7 ft at 10:45AM Apr 18, 2021Observed: 1.7 ft at 10:46AM Apr 18, 2021Observed: 1.7 ft at 11:00AM Apr 18, 2021Observed: 1.7 ft at 11:01AM Apr 18, 2021Observed: 1.69 ft at 11:15AM Apr 18, 2021Observed: 1.69 ft at 11:30AM Apr 18, 2021Observed: 1.69 ft at 11:45AM Apr 18, 2021Observed: 1.69 ft at 12:00PM Apr 18, 2021Observed: 1.68 ft at 12:15PM Apr 18, 2021Observed: 1.68 ft at 12:30PM Apr 18, 2021Observed: 1.69 ft at 12:45PM Apr 18, 2021Observed: 1.69 ft at 1:00PM Apr 18, 2021Observed: 1.69 ft at 1:15PM Apr 18, 2021Observed: 1.68 ft at 1:30PM Apr 18, 2021Observed: 1.69 ft at 1:45PM Apr 18, 2021Observed: 1.68 ft at 2:00PM Apr 18, 2021Observed: 1.68 ft at 2:15PM Apr 18, 2021Observed: 1.69 ft at 2:30PM Apr 18, 2021Observed: 1.69 ft at 2:45PM Apr 18, 2021Observed: 1.68 ft at 3:00PM Apr 18, 2021Observed: 1.68 ft at 3:15PM Apr 18, 2021Observed: 1.68 ft at 3:30PM Apr 18, 2021Observed: 1.68 ft at 3:45PM Apr 18, 2021Observed: 1.68 ft at 4:00PM Apr 18, 2021Observed: 1.68 ft at 4:15PM Apr 18, 2021Observed: 1.68 ft at 4:30PM Apr 18, 2021Observed: 1.68 ft at 4:45PM Apr 18, 2021Observed: 1.68 ft at 5:00PM Apr 18, 2021Observed: 1.67 ft at 5:15PM Apr 18, 2021Observed: 1.68 ft at 5:30PM Apr 18, 2021Observed: 1.68 ft at 5:45PM Apr 18, 2021Observed: 1.68 ft at 6:00PM Apr 18, 2021Observed: 1.67 ft at 6:15PM Apr 18, 2021Observed: 1.68 ft at 6:30PM Apr 18, 2021Observed: 1.68 ft at 6:31PM Apr 18, 2021Observed: 1.68 ft at 6:45PM Apr 18, 2021Observed: 1.68 ft at 6:46PM Apr 18, 2021Observed: 1.68 ft at 7:00PM Apr 18, 2021Observed: 1.68 ft at 7:01PM Apr 18, 2021Observed: 1.69 ft at 7:15PM Apr 18, 2021Observed: 1.69 ft at 7:30PM Apr 18, 2021Observed: 1.69 ft at 7:45PM Apr 18, 2021Observed: 1.69 ft at 8:00PM Apr 18, 2021Observed: 1.7 ft at 8:15PM Apr 18, 2021Observed: 1.7 ft at 8:30PM Apr 18, 2021Observed: 1.7 ft at 8:45PM Apr 18, 2021Observed: 1.7 ft at 9:00PM Apr 18, 2021Observed: 1.7 ft at 9:15PM Apr 18, 2021Observed: 1.7 ft at 9:30PM Apr 18, 2021Observed: 1.7 ft at 9:45PM Apr 18, 2021Observed: 1.7 ft at 10:00PM Apr 18, 2021Observed: 1.69 ft at 10:15PM Apr 18, 2021Observed: 1.68 ft at 10:30PM Apr 18, 2021Observed: 1.68 ft at 10:45PM Apr 18, 2021Observed: 1.68 ft at 11:00PM Apr 18, 2021Observed: 1.67 ft at 11:15PM Apr 18, 2021Observed: 1.68 ft at 11:30PM Apr 18, 2021Observed: 1.68 ft at 11:45PM Apr 18, 2021Observed: 1.68 ft at 12:00AM Apr 19, 2021Observed: 1.67 ft at 12:15AM Apr 19, 2021Observed: 1.67 ft at 12:30AM Apr 19, 2021Observed: 1.67 ft at 12:45AM Apr 19, 2021Observed: 1.68 ft at 1:00AM Apr 19, 2021Observed: 1.68 ft at 1:15AM Apr 19, 2021Observed: 1.68 ft at 1:30AM Apr 19, 2021Observed: 1.68 ft at 1:45AM Apr 19, 2021Observed: 1.68 ft at 2:00AM Apr 19, 2021Observed: 1.67 ft at 2:15AM Apr 19, 2021Observed: 1.68 ft at 2:30AM Apr 19, 2021Observed: 1.68 ft at 2:31AM Apr 19, 2021Observed: 1.68 ft at 2:45AM Apr 19, 2021Observed: 1.68 ft at 2:46AM Apr 19, 2021Observed: 1.68 ft at 3:00AM Apr 19, 2021Observed: 1.68 ft at 3:01AM Apr 19, 2021Observed: 1.68 ft at 3:15AM Apr 19, 2021Observed: 1.68 ft at 3:30AM Apr 19, 2021Observed: 1.68 ft at 3:45AM Apr 19, 2021Observed: 1.68 ft at 4:00AM Apr 19, 2021Observed: 1.68 ft at 4:15AM Apr 19, 2021Observed: 1.68 ft at 4:30AM Apr 19, 2021Observed: 1.68 ft at 4:45AM Apr 19, 2021Observed: 1.68 ft at 5:00AM Apr 19, 2021Observed: 1.68 ft at 5:15AM Apr 19, 2021Observed: 1.68 ft at 5:30AM Apr 19, 2021Observed: 1.67 ft at 5:45AM Apr 19, 2021Observed: 1.67 ft at 6:00AM Apr 19, 2021Observed: 1.68 ft at 6:15AM Apr 19, 2021Observed: 1.68 ft at 6:30AM Apr 19, 2021Observed: 1.68 ft at 6:45AM Apr 19, 2021Observed: 1.67 ft at 7:00AM Apr 19, 2021Observed: 1.68 ft at 7:15AM Apr 19, 2021Observed: 1.67 ft at 7:30AM Apr 19, 2021Observed: 1.67 ft at 7:45AM Apr 19, 2021Observed: 1.67 ft at 8:00AM Apr 19, 2021Observed: 1.68 ft at 8:15AM Apr 19, 2021Observed: 1.67 ft at 8:30AM Apr 19, 2021Observed: 1.67 ft at 8:45AM Apr 19, 2021Observed: 1.68 ft at 9:00AM Apr 19, 2021Observed: 1.68 ft at 9:15AM Apr 19, 2021Observed: 1.67 ft at 9:30AM Apr 19, 2021Observed: 1.68 ft at 9:45AM Apr 19, 2021Observed: 1.68 ft at 10:00AM Apr 19, 2021Observed: 1.68 ft at 10:15AM Apr 19, 2021Observed: 1.68 ft at 10:30AM Apr 19, 2021Observed: 1.68 ft at 10:31AM Apr 19, 2021Observed: 1.67 ft at 10:45AM Apr 19, 2021Observed: 1.67 ft at 10:46AM Apr 19, 2021Observed: 1.68 ft at 11:00AM Apr 19, 2021Observed: 1.68 ft at 11:01AM Apr 19, 2021Observed: 1.68 ft at 11:15AM Apr 19, 2021Observed: 1.68 ft at 11:30AM Apr 19, 2021Observed: 1.67 ft at 11:45AM Apr 19, 2021Observed: 1.67 ft at 12:00PM Apr 19, 2021Observed: 1.68 ft at 12:15PM Apr 19, 2021Observed: 1.67 ft at 12:30PM Apr 19, 2021Observed: 1.67 ft at 12:45PM Apr 19, 2021Observed: 1.67 ft at 1:00PM Apr 19, 2021Observed: 1.66 ft at 1:15PM Apr 19, 2021Observed: 1.67 ft at 1:30PM Apr 19, 2021Observed: 1.66 ft at 1:45PM Apr 19, 2021Observed: 1.66 ft at 2:00PM Apr 19, 2021Observed: 1.67 ft at 2:15PM Apr 19, 2021Observed: 1.67 ft at 2:30PM Apr 19, 2021Observed: 1.66 ft at 2:45PM Apr 19, 2021Observed: 1.67 ft at 3:00PM Apr 19, 2021Observed: 1.67 ft at 3:15PM Apr 19, 2021Observed: 1.67 ft at 3:30PM Apr 19, 2021Observed: 1.66 ft at 3:45PM Apr 19, 2021Observed: 1.67 ft at 4:00PM Apr 19, 2021Observed: 1.66 ft at 4:15PM Apr 19, 2021Observed: 1.66 ft at 4:30PM Apr 19, 2021Observed: 1.66 ft at 4:45PM Apr 19, 2021Observed: 1.66 ft at 5:00PM Apr 19, 2021Observed: 1.66 ft at 5:15PM Apr 19, 2021Observed: 1.66 ft at 5:30PM Apr 19, 2021Observed: 1.66 ft at 5:45PM Apr 19, 2021Observed: 1.66 ft at 6:00PM Apr 19, 2021Observed: 1.66 ft at 6:15PM Apr 19, 2021Observed: 1.66 ft at 6:30PM Apr 19, 2021Observed: 1.66 ft at 6:31PM Apr 19, 2021Observed: 1.65 ft at 6:45PM Apr 19, 2021Observed: 1.65 ft at 6:46PM Apr 19, 2021Observed: 1.65 ft at 7:00PM Apr 19, 2021Observed: 1.65 ft at 7:01PM Apr 19, 2021Observed: 1.66 ft at 7:15PM Apr 19, 2021Observed: 1.65 ft at 7:30PM Apr 19, 2021Observed: 1.66 ft at 7:45PM Apr 19, 2021Observed: 1.66 ft at 8:00PM Apr 19, 2021Observed: 1.66 ft at 8:15PM Apr 19, 2021Observed: 1.65 ft at 8:30PM Apr 19, 2021Observed: 1.65 ft at 8:45PM Apr 19, 2021Observed: 1.65 ft at 9:00PM Apr 19, 2021Observed: 1.65 ft at 9:15PM Apr 19, 2021Observed: 1.65 ft at 9:30PM Apr 19, 2021Observed: 1.65 ft at 9:45PM Apr 19, 2021Observed: 1.65 ft at 10:00PM Apr 19, 2021Observed: 1.65 ft at 10:15PM Apr 19, 2021Observed: 1.65 ft at 10:30PM Apr 19, 2021Observed: 1.65 ft at 10:45PM Apr 19, 2021Observed: 1.65 ft at 11:00PM Apr 19, 2021Observed: 1.64 ft at 11:15PM Apr 19, 2021Observed: 1.65 ft at 11:30PM Apr 19, 2021Observed: 1.65 ft at 11:45PM Apr 19, 2021Observed: 1.65 ft at 12:00AM Apr 20, 2021Observed: 1.64 ft at 12:15AM Apr 20, 2021Observed: 1.64 ft at 12:30AM Apr 20, 2021Observed: 1.64 ft at 12:45AM Apr 20, 2021Observed: 1.64 ft at 1:00AM Apr 20, 2021Observed: 1.64 ft at 1:15AM Apr 20, 2021Observed: 1.64 ft at 1:30AM Apr 20, 2021Observed: 1.64 ft at 1:45AM Apr 20, 2021Observed: 1.65 ft at 2:00AM Apr 20, 2021Observed: 1.64 ft at 2:15AM Apr 20, 2021Observed: 1.64 ft at 2:30AM Apr 20, 2021Observed: 1.64 ft at 2:31AM Apr 20, 2021Observed: 1.64 ft at 2:45AM Apr 20, 2021Observed: 1.64 ft at 2:46AM Apr 20, 2021Observed: 1.64 ft at 3:00AM Apr 20, 2021Observed: 1.64 ft at 3:01AM Apr 20, 2021Observed: 1.64 ft at 3:15AM Apr 20, 2021Observed: 1.64 ft at 3:30AM Apr 20, 2021Observed: 1.64 ft at 3:45AM Apr 20, 2021Observed: 1.64 ft at 4:00AM Apr 20, 2021Observed: 1.64 ft at 4:15AM Apr 20, 2021Observed: 1.65 ft at 4:30AM Apr 20, 2021Observed: 1.64 ft at 4:45AM Apr 20, 2021Observed: 1.65 ft at 5:00AM Apr 20, 2021Observed: 1.65 ft at 5:15AM Apr 20, 2021Observed: 1.65 ft at 5:30AM Apr 20, 2021Observed: 1.64 ft at 5:45AM Apr 20, 2021Observed: 1.64 ft at 6:00AM Apr 20, 2021Observed: 1.65 ft at 6:15AM Apr 20, 2021Observed: 1.64 ft at 6:30AM Apr 20, 2021Observed: 1.65 ft at 6:45AM Apr 20, 2021Observed: 1.64 ft at 7:00AM Apr 20, 2021Observed: 1.64 ft at 7:15AM Apr 20, 2021Observed: 1.64 ft at 7:30AM Apr 20, 2021Observed: 1.64 ft at 7:45AM Apr 20, 2021Observed: 1.64 ft at 8:00AM Apr 20, 2021Observed: 1.64 ft at 8:15AM Apr 20, 2021Observed: 1.64 ft at 8:30AM Apr 20, 2021Observed: 1.65 ft at 8:45AM Apr 20, 2021Observed: 1.64 ft at 9:00AM Apr 20, 2021Observed: 1.65 ft at 9:15AM Apr 20, 2021Observed: 1.64 ft at 9:30AM Apr 20, 2021Observed: 1.65 ft at 9:45AM Apr 20, 2021Observed: 1.64 ft at 10:00AM Apr 20, 2021Observed: 1.66 ft at 10:15AM Apr 20, 2021Observed: 1.65 ft at 10:30AM Apr 20, 2021Observed: 1.65 ft at 10:45AM Apr 20, 2021Observed: 1.65 ft at 10:46AM Apr 20, 2021Observed: 1.64 ft at 11:00AM Apr 20, 2021Observed: 1.64 ft at 11:01AM Apr 20, 2021Observed: 1.64 ft at 11:15AM Apr 20, 2021Observed: 1.64 ft at 11:16AM Apr 20, 2021Observed: 1.64 ft at 11:30AM Apr 20, 2021Observed: 1.64 ft at 11:45AM Apr 20, 2021Observed: 1.64 ft at 12:00PM Apr 20, 2021Observed: 1.65 ft at 12:15PM Apr 20, 2021Observed: 1.65 ft at 12:30PM Apr 20, 2021Observed: 1.64 ft at 12:45PM Apr 20, 2021Observed: 1.64 ft at 1:00PM Apr 20, 2021Observed: 1.64 ft at 1:15PM Apr 20, 2021Observed: 1.65 ft at 1:30PM Apr 20, 2021Observed: 1.64 ft at 1:45PM Apr 20, 2021Observed: 1.65 ft at 2:00PM Apr 20, 2021Observed: 1.67 ft at 2:15PM Apr 20, 2021Observed: 1.68 ft at 2:30PM Apr 20, 2021Observed: 1.67 ft at 2:45PM Apr 20, 2021Observed: 1.66 ft at 3:00PM Apr 20, 2021Observed: 1.68 ft at 3:15PM Apr 20, 2021Observed: 1.66 ft at 3:30PM Apr 20, 2021Observed: 1.66 ft at 3:45PM Apr 20, 2021Observed: 1.67 ft at 4:00PM Apr 20, 2021Observed: 1.67 ft at 4:15PM Apr 20, 2021Observed: 1.68 ft at 4:30PM Apr 20, 2021Observed: 1.65 ft at 4:45PM Apr 20, 2021Observed: 1.67 ft at 5:00PM Apr 20, 2021Observed: 1.66 ft at 5:15PM Apr 20, 2021Observed: 1.69 ft at 5:30PM Apr 20, 2021Observed: 1.65 ft at 5:45PM Apr 20, 2021Observed: 1.66 ft at 6:00PM Apr 20, 2021Observed: 1.67 ft at 6:15PM Apr 20, 2021Observed: 1.65 ft at 6:30PM Apr 20, 2021Observed: 1.66 ft at 6:45PM Apr 20, 2021Observed: 1.66 ft at 6:46PM Apr 20, 2021Observed: 1.66 ft at 7:00PM Apr 20, 2021Observed: 1.66 ft at 7:01PM Apr 20, 2021Observed: 1.68 ft at 7:15PM Apr 20, 2021Observed: 1.68 ft at 7:16PM Apr 20, 2021Observed: 1.68 ft at 7:30PM Apr 20, 2021Observed: 1.67 ft at 7:45PM Apr 20, 2021Observed: 1.67 ft at 8:00PM Apr 20, 2021Observed: 1.67 ft at 8:15PM Apr 20, 2021Observed: 1.67 ft at 8:30PM Apr 20, 2021Observed: 1.68 ft at 8:45PM Apr 20, 2021Observed: 1.66 ft at 9:00PM Apr 20, 2021Observed: 1.68 ft at 9:15PM Apr 20, 2021Observed: 1.69 ft at 9:30PM Apr 20, 2021Observed: 1.66 ft at 9:45PM Apr 20, 2021Observed: 1.64 ft at 10:00PM Apr 20, 2021Observed: 1.66 ft at 10:15PM Apr 20, 2021Observed: 1.66 ft at 10:30PM Apr 20, 2021Observed: 1.66 ft at 10:45PM Apr 20, 2021Observed: 1.65 ft at 11:00PM Apr 20, 2021Observed: 1.7 ft at 11:15PM Apr 20, 2021Observed: 1.63 ft at 11:30PM Apr 20, 2021Observed: 1.67 ft at 11:45PM Apr 20, 2021Observed: 1.64 ft at 12:00AM Apr 21, 2021USGS--Water Resources of the United StatesWAVS2(plotting HGIRG) Graph Created (12:34AM Apr 21, 2021)ObservedLatest observed value: 1.64 ft at 12:00 AM CDT 21-Apr-2021. Flood Stage is 8 ft
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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 at Sioux Falls Western Avenue. Only observed stages are available for this point.

Vertical Datum updated from NGVD29 to NAVD88 by gauge owner.

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Upstream Gauge - at Sioux Falls Maple Street Upstream Gauge Downstream Gauge Downstream Gauge - at Sioux Falls N. Cliff Avenue
Flood Categories (in feet)
Major Flood Stage: 14
Moderate Flood Stage: 12
Flood Stage: 8
Action Stage: 7
Low Stage (in feet): -9999

Historic Crests
(1) 17.11 ft on 03/14/2019
(2) 16.01 ft on 06/17/1957
(3) 15.80 ft on 06/21/1984
(4) 15.56 ft on 03/30/1960
(5) 14.50 ft on 04/07/1952
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 17.11 ft on 03/14/2019
(2) 12.00 ft on 09/21/2018
(3) 8.04 ft on 08/21/2017
(4) 8.98 ft on 09/15/2016
(5) 13.17 ft on 08/27/2015
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.
Zoom Level:14
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 Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
18.5 the levees below Skunk Creek and above the Western Avenue gage will be overtopped.
16.5 up to 40 homes in southern Sioux Falls are in danger of flooding.
14.5 some houses in the Rose Street and Lotta Street areas near South Minnesota Avenue begin flooding.
12.8 East 41st Street begins flooding.
10 city parks in southern Sioux Falls begin to have significant flooding.
8 flooding beings to affect Spencer Dog Park and the lower portions of Tuthill Park in southern Sioux Falls.
Photos
(1) Upstream View
(2) Downstream View
About This Location Collapse

Latitude: 43.501111° N, Longitude: 96.748611° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 8 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 1393.73 1401.73 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  

Current/Historical Observations:
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Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Sioux Falls Weather Forecast Office
26 Weather Lane
Sioux Falls, SD 57104-0198
(605) 330-4247
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