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Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at https://water.weather.gov will be replaced by the National Water Prediction Service (NWPS), with a target of March 2024. Existing AHPS content and features will be preserved and expanded within NWPS.

Experimental National Water Center Products: The National Hydrologic Discussion, Area Hydrologic Discussion, and Flood Hazard Outlook, and real-time geospatial services depicting River Forecast Center and National Water Model forecasts, continue to be accessible via https://www.weather.gov/owp/operations, as described in the StoryMap here.



Hydrograph River at a Glance Download
Big Sioux River above Canton Stage (ft)Flow (cfs)Observed: 1224.25 ft at 7:00PM Sep 15, 2023Observed: 1224.25 ft at 7:15PM Sep 15, 2023Observed: 1224.25 ft at 7:30PM Sep 15, 2023Observed: 1224.25 ft at 7:45PM Sep 15, 2023Observed: 1224.24 ft at 8:00PM Sep 15, 2023Observed: 1224.25 ft at 8:15PM Sep 15, 2023Observed: 1224.24 ft at 8:30PM Sep 15, 2023Observed: 1224.24 ft at 8:45PM Sep 15, 2023Observed: 1224.24 ft at 9:00PM Sep 15, 2023Observed: 1224.24 ft at 9:15PM Sep 15, 2023Observed: 1224.24 ft at 9:30PM Sep 15, 2023Observed: 1224.24 ft at 9:45PM Sep 15, 2023Observed: 1224.24 ft at 10:00PM Sep 15, 2023Observed: 1224.24 ft at 10:15PM Sep 15, 2023Observed: 1224.24 ft at 10:30PM Sep 15, 2023Observed: 1224.25 ft at 10:45PM Sep 15, 2023Observed: 1224.25 ft at 11:00PM Sep 15, 2023Observed: 1224.24 ft at 11:15PM Sep 15, 2023Observed: 1224.24 ft at 11:30PM Sep 15, 2023Observed: 1224.24 ft at 11:45PM Sep 15, 2023Observed: 1224.24 ft at 12:00AM Sep 16, 2023Observed: 1224.24 ft at 12:15AM Sep 16, 2023Observed: 1224.24 ft at 12:30AM Sep 16, 2023Observed: 1224.25 ft at 12:45AM Sep 16, 2023Observed: 1224.25 ft at 1:00AM Sep 16, 2023Observed: 1224.25 ft at 1:15AM Sep 16, 2023Observed: 1224.25 ft at 1:30AM Sep 16, 2023Observed: 1224.25 ft at 1:45AM Sep 16, 2023Observed: 1224.25 ft at 2:00AM Sep 16, 2023Observed: 1224.25 ft at 2:15AM Sep 16, 2023Observed: 1224.25 ft at 2:30AM Sep 16, 2023Observed: 1224.25 ft at 2:45AM Sep 16, 2023Observed: 1224.25 ft at 3:00AM Sep 16, 2023Observed: 1224.24 ft at 3:15AM Sep 16, 2023Observed: 1224.25 ft at 3:30AM Sep 16, 2023Observed: 1224.25 ft at 3:45AM Sep 16, 2023Observed: 1224.26 ft at 4:00AM Sep 16, 2023Observed: 1224.25 ft at 4:15AM Sep 16, 2023Observed: 1224.26 ft at 4:30AM Sep 16, 2023Observed: 1224.25 ft at 4:45AM Sep 16, 2023Observed: 1224.26 ft at 5:00AM Sep 16, 2023Observed: 1224.26 ft at 5:15AM Sep 16, 2023Observed: 1224.25 ft at 5:30AM Sep 16, 2023Observed: 1224.26 ft at 5:45AM Sep 16, 2023Observed: 1224.26 ft at 6:00AM Sep 16, 2023Observed: 1224.27 ft at 6:15AM Sep 16, 2023Observed: 1224.26 ft at 6:30AM Sep 16, 2023Observed: 1224.27 ft at 6:45AM Sep 16, 2023Observed: 1224.26 ft at 7:00AM Sep 16, 2023Observed: 1224.26 ft at 7:15AM Sep 16, 2023Observed: 1224.26 ft at 7:30AM Sep 16, 2023Observed: 1224.26 ft at 7:45AM Sep 16, 2023Observed: 1224.26 ft at 8:00AM Sep 16, 2023Observed: 1224.26 ft at 8:15AM Sep 16, 2023Observed: 1224.26 ft at 8:30AM Sep 16, 2023Observed: 1224.25 ft at 8:45AM Sep 16, 2023Observed: 1224.26 ft at 9:00AM Sep 16, 2023Observed: 1224.25 ft at 9:15AM Sep 16, 2023Observed: 1224.25 ft at 9:30AM Sep 16, 2023Observed: 1224.25 ft at 9:45AM Sep 16, 2023Observed: 1224.26 ft at 10:00AM Sep 16, 2023Observed: 1224.25 ft at 10:15AM Sep 16, 2023Observed: 1224.25 ft at 10:30AM Sep 16, 2023Observed: 1224.24 ft at 10:45AM Sep 16, 2023Observed: 1224.25 ft at 11:00AM Sep 16, 2023Observed: 1224.24 ft at 11:15AM Sep 16, 2023Observed: 1224.19 ft at 11:30AM Sep 16, 2023Observed: 1224.25 ft at 11:45AM Sep 16, 2023Observed: 1224.25 ft at 12:00PM Sep 16, 2023Observed: 1224.21 ft at 12:15PM Sep 16, 2023Observed: 1224.2 ft at 12:30PM Sep 16, 2023Observed: 1224.2 ft at 12:45PM Sep 16, 2023Observed: 1224.19 ft at 1:00PM Sep 16, 2023Observed: 1224.2 ft at 1:15PM Sep 16, 2023Observed: 1224.19 ft at 1:30PM Sep 16, 2023Observed: 1224.2 ft at 1:45PM Sep 16, 2023Observed: 1224.24 ft at 2:00PM Sep 16, 2023Observed: 1224.21 ft at 2:15PM Sep 16, 2023Observed: 1224.2 ft at 2:30PM Sep 16, 2023Observed: 1224.26 ft at 2:45PM Sep 16, 2023Observed: 1224.21 ft at 3:00PM Sep 16, 2023Observed: 1224.25 ft at 3:15PM Sep 16, 2023Observed: 1224.24 ft at 3:30PM Sep 16, 2023Observed: 1224.2 ft at 3:45PM Sep 16, 2023Observed: 1224.21 ft at 4:00PM Sep 16, 2023Observed: 1224.26 ft at 4:15PM Sep 16, 2023Observed: 1224.24 ft at 4:30PM Sep 16, 2023Observed: 1224.21 ft at 4:45PM Sep 16, 2023Observed: 1224.26 ft at 5:00PM Sep 16, 2023Observed: 1224.21 ft at 5:15PM Sep 16, 2023Observed: 1224.27 ft at 5:30PM Sep 16, 2023Observed: 1224.28 ft at 5:45PM Sep 16, 2023Observed: 1224.28 ft at 6:00PM Sep 16, 2023Observed: 1224.22 ft at 6:15PM Sep 16, 2023Observed: 1224.28 ft at 6:30PM Sep 16, 2023Observed: 1224.28 ft at 6:45PM Sep 16, 2023Observed: 1224.28 ft at 7:00PM Sep 16, 2023Observed: 1224.27 ft at 7:15PM Sep 16, 2023Observed: 1224.28 ft at 7:30PM Sep 16, 2023Observed: 1224.28 ft at 7:45PM Sep 16, 2023Observed: 1224.28 ft at 8:00PM Sep 16, 2023Observed: 1224.28 ft at 8:15PM Sep 16, 2023Observed: 1224.28 ft at 8:30PM Sep 16, 2023Observed: 1224.29 ft at 8:45PM Sep 16, 2023Observed: 1224.28 ft at 9:00PM Sep 16, 2023Observed: 1224.28 ft at 9:15PM Sep 16, 2023Observed: 1224.29 ft at 9:30PM Sep 16, 2023Observed: 1224.29 ft at 9:45PM Sep 16, 2023Observed: 1224.28 ft at 10:00PM Sep 16, 2023Observed: 1224.28 ft at 10:15PM Sep 16, 2023Observed: 1224.28 ft at 10:30PM Sep 16, 2023Observed: 1224.29 ft at 10:45PM Sep 16, 2023Observed: 1224.28 ft at 11:00PM Sep 16, 2023Observed: 1224.29 ft at 11:15PM Sep 16, 2023Observed: 1224.29 ft at 11:30PM Sep 16, 2023Observed: 1224.29 ft at 11:45PM Sep 16, 2023Observed: 1224.3 ft at 12:00AM Sep 17, 2023Observed: 1224.29 ft at 12:15AM Sep 17, 2023Observed: 1224.3 ft at 12:30AM Sep 17, 2023Observed: 1224.29 ft at 12:45AM Sep 17, 2023Observed: 1224.3 ft at 1:00AM Sep 17, 2023Observed: 1224.29 ft at 1:15AM Sep 17, 2023Observed: 1224.3 ft at 1:30AM Sep 17, 2023Observed: 1224.29 ft at 1:45AM Sep 17, 2023Observed: 1224.3 ft at 2:00AM Sep 17, 2023Observed: 1224.3 ft at 2:15AM Sep 17, 2023Observed: 1224.3 ft at 2:30AM Sep 17, 2023Observed: 1224.3 ft at 2:45AM Sep 17, 2023Observed: 1224.3 ft at 3:00AM Sep 17, 2023Observed: 1224.3 ft at 3:15AM Sep 17, 2023Observed: 1224.3 ft at 3:30AM Sep 17, 2023Observed: 1224.3 ft at 3:45AM Sep 17, 2023Observed: 1224.3 ft at 4:00AM Sep 17, 2023Observed: 1224.3 ft at 4:15AM Sep 17, 2023Observed: 1224.3 ft at 4:30AM Sep 17, 2023Observed: 1224.29 ft at 4:45AM Sep 17, 2023Observed: 1224.3 ft at 5:00AM Sep 17, 2023Observed: 1224.29 ft at 5:15AM Sep 17, 2023Observed: 1224.3 ft at 5:30AM Sep 17, 2023Observed: 1224.29 ft at 5:45AM Sep 17, 2023Observed: 1224.29 ft at 6:00AM Sep 17, 2023Observed: 1224.29 ft at 6:15AM Sep 17, 2023Observed: 1224.29 ft at 6:30AM Sep 17, 2023Observed: 1224.29 ft at 6:45AM Sep 17, 2023Observed: 1224.29 ft at 7:00AM Sep 17, 2023Observed: 1224.29 ft at 7:15AM Sep 17, 2023Observed: 1224.29 ft at 7:30AM Sep 17, 2023Observed: 1224.29 ft at 7:45AM Sep 17, 2023Observed: 1224.29 ft at 8:00AM Sep 17, 2023Observed: 1224.28 ft at 8:15AM Sep 17, 2023Observed: 1224.28 ft at 8:30AM Sep 17, 2023Observed: 1224.28 ft at 8:45AM Sep 17, 2023Observed: 1224.28 ft at 9:00AM Sep 17, 2023Observed: 1224.28 ft at 9:15AM Sep 17, 2023Observed: 1224.28 ft at 9:30AM Sep 17, 2023Observed: 1224.27 ft at 9:45AM Sep 17, 2023Observed: 1224.28 ft at 10:00AM Sep 17, 2023Observed: 1224.28 ft at 10:15AM Sep 17, 2023Observed: 1224.28 ft at 10:30AM Sep 17, 2023Observed: 1224.28 ft at 10:45AM Sep 17, 2023Observed: 1224.28 ft at 11:00AM Sep 17, 2023Observed: 1224.28 ft at 11:15AM Sep 17, 2023Observed: 1224.28 ft at 11:30AM Sep 17, 2023Observed: 1224.28 ft at 11:45AM Sep 17, 2023Observed: 1224.28 ft at 12:00PM Sep 17, 2023Observed: 1224.28 ft at 12:15PM Sep 17, 2023Observed: 1224.28 ft at 12:30PM Sep 17, 2023Observed: 1224.29 ft at 12:45PM Sep 17, 2023Observed: 1224.29 ft at 1:00PM Sep 17, 2023Observed: 1224.28 ft at 1:15PM Sep 17, 2023Observed: 1224.29 ft at 1:30PM Sep 17, 2023Observed: 1224.29 ft at 1:45PM Sep 17, 2023Observed: 1224.27 ft at 2:00PM Sep 17, 2023Observed: 1224.3 ft at 2:15PM Sep 17, 2023Observed: 1224.28 ft at 2:30PM Sep 17, 2023Observed: 1224.3 ft at 2:45PM Sep 17, 2023Observed: 1224.3 ft at 3:00PM Sep 17, 2023Observed: 1224.3 ft at 3:15PM Sep 17, 2023Observed: 1224.3 ft at 3:30PM Sep 17, 2023Observed: 1224.3 ft at 3:45PM Sep 17, 2023Observed: 1224.3 ft at 4:00PM Sep 17, 2023Observed: 1224.29 ft at 4:15PM Sep 17, 2023Observed: 1224.25 ft at 4:30PM Sep 17, 2023Observed: 1224.3 ft at 4:45PM Sep 17, 2023Observed: 1224.27 ft at 5:00PM Sep 17, 2023Observed: 1224.26 ft at 5:15PM Sep 17, 2023Observed: 1224.28 ft at 5:30PM Sep 17, 2023Observed: 1224.29 ft at 5:45PM Sep 17, 2023Observed: 1224.3 ft at 6:00PM Sep 17, 2023Observed: 1224.3 ft at 6:15PM Sep 17, 2023Observed: 1224.29 ft at 6:30PM Sep 17, 2023Observed: 1224.29 ft at 6:45PM Sep 17, 2023Observed: 1224.3 ft at 7:00PM Sep 17, 2023Observed: 1224.29 ft at 7:15PM Sep 17, 2023Observed: 1224.29 ft at 7:30PM Sep 17, 2023Observed: 1224.29 ft at 8:00PM Sep 17, 2023Observed: 1224.29 ft at 8:15PM Sep 17, 2023Observed: 1224.3 ft at 8:30PM Sep 17, 2023Observed: 1224.31 ft at 8:45PM Sep 17, 2023Observed: 1224.3 ft at 9:00PM Sep 17, 2023Observed: 1224.31 ft at 9:15PM Sep 17, 2023Observed: 1224.3 ft at 9:30PM Sep 17, 2023Observed: 1224.3 ft at 9:45PM Sep 17, 2023Observed: 1224.3 ft at 10:00PM Sep 17, 2023Observed: 1224.31 ft at 10:15PM Sep 17, 2023Observed: 1224.3 ft at 10:30PM Sep 17, 2023Observed: 1224.31 ft at 10:45PM Sep 17, 2023Observed: 1224.3 ft at 11:00PM Sep 17, 2023Observed: 1224.27 ft at 11:15PM Sep 17, 2023Observed: 1224.27 ft at 11:30PM Sep 17, 2023Observed: 1224.29 ft at 11:45PM Sep 17, 2023Observed: 1224.29 ft at 12:00AM Sep 18, 2023Observed: 1224.28 ft at 12:15AM Sep 18, 2023Observed: 1224.27 ft at 12:30AM Sep 18, 2023Observed: 1224.26 ft at 12:45AM Sep 18, 2023Observed: 1224.29 ft at 1:00AM Sep 18, 2023Observed: 1224.28 ft at 1:15AM Sep 18, 2023Observed: 1224.27 ft at 1:30AM Sep 18, 2023Observed: 1224.29 ft at 1:45AM Sep 18, 2023Observed: 1224.27 ft at 2:00AM Sep 18, 2023Observed: 1224.3 ft at 2:15AM Sep 18, 2023Observed: 1224.29 ft at 2:30AM Sep 18, 2023Observed: 1224.3 ft at 2:45AM Sep 18, 2023Observed: 1224.28 ft at 3:00AM Sep 18, 2023Observed: 1224.27 ft at 3:15AM Sep 18, 2023Observed: 1224.3 ft at 3:30AM Sep 18, 2023Observed: 1224.29 ft at 3:45AM Sep 18, 2023Observed: 1224.3 ft at 4:00AM Sep 18, 2023Observed: 1224.27 ft at 4:15AM Sep 18, 2023Observed: 1224.28 ft at 4:30AM Sep 18, 2023Observed: 1224.3 ft at 4:45AM Sep 18, 2023Observed: 1224.29 ft at 5:00AM Sep 18, 2023Observed: 1224.3 ft at 5:15AM Sep 18, 2023Observed: 1224.26 ft at 5:30AM Sep 18, 2023Observed: 1224.24 ft at 5:45AM Sep 18, 2023Observed: 1224.24 ft at 6:00AM Sep 18, 2023Observed: 1224.28 ft at 6:15AM Sep 18, 2023Observed: 1224.28 ft at 6:30AM Sep 18, 2023Observed: 1224.23 ft at 6:45AM Sep 18, 2023Observed: 1224.24 ft at 7:00AM Sep 18, 2023Observed: 1224.25 ft at 7:15AM Sep 18, 2023Observed: 1224.24 ft at 7:30AM Sep 18, 2023Observed: 1224.24 ft at 7:45AM Sep 18, 2023Observed: 1224.21 ft at 8:00AM Sep 18, 2023Observed: 1224.22 ft at 8:15AM Sep 18, 2023Observed: 1224.22 ft at 8:30AM Sep 18, 2023Observed: 1224.24 ft at 8:45AM Sep 18, 2023Observed: 1224.21 ft at 9:00AM Sep 18, 2023Observed: 1224.23 ft at 9:15AM Sep 18, 2023Observed: 1224.22 ft at 9:30AM Sep 18, 2023Observed: 1224.22 ft at 9:45AM Sep 18, 2023Observed: 1224.23 ft at 10:00AM Sep 18, 2023Observed: 1224.23 ft at 10:15AM Sep 18, 2023Observed: 1224.22 ft at 10:30AM Sep 18, 2023Observed: 1224.22 ft at 10:45AM Sep 18, 2023Observed: 1224.22 ft at 11:00AM Sep 18, 2023Observed: 1224.23 ft at 11:15AM Sep 18, 2023Observed: 1224.21 ft at 11:30AM Sep 18, 2023Observed: 1224.22 ft at 11:45AM Sep 18, 2023Observed: 1224.2 ft at 12:00PM Sep 18, 2023Observed: 1224.23 ft at 12:15PM Sep 18, 2023Observed: 1224.22 ft at 12:30PM Sep 18, 2023Observed: 1224.23 ft at 12:45PM Sep 18, 2023Observed: 1224.22 ft at 1:00PM Sep 18, 2023Observed: 1224.24 ft at 1:15PM Sep 18, 2023Observed: 1224.25 ft at 1:30PM Sep 18, 2023Observed: 1224.26 ft at 1:45PM Sep 18, 2023Observed: 1224.25 ft at 2:00PM Sep 18, 2023Observed: 1224.24 ft at 2:15PM Sep 18, 2023Observed: 1224.24 ft at 2:30PM Sep 18, 2023Observed: 1224.25 ft at 2:45PM Sep 18, 2023Observed: 1224.26 ft at 3:00PM Sep 18, 2023Observed: 1224.26 ft at 3:15PM Sep 18, 2023Observed: 1224.24 ft at 3:30PM Sep 18, 2023Observed: 1224.25 ft at 3:45PM Sep 18, 2023Observed: 1224.25 ft at 4:00PM Sep 18, 2023Observed: 1224.28 ft at 4:15PM Sep 18, 2023Observed: 1224.25 ft at 4:30PM Sep 18, 2023Observed: 1224.28 ft at 4:45PM Sep 18, 2023Observed: 1224.27 ft at 5:00PM Sep 18, 2023Observed: 1224.3 ft at 6:15PM Sep 18, 2023Observed: 1224.31 ft at 6:30PM Sep 18, 2023Observed: 1224.31 ft at 6:45PM Sep 18, 2023Observed: 1224.31 ft at 7:00PM Sep 18, 2023Observed: 1224.31 ft at 7:15PM Sep 18, 2023Observed: 1224.31 ft at 7:30PM Sep 18, 2023Observed: 1224.31 ft at 7:45PM Sep 18, 2023Observed: 1224.32 ft at 8:00PM Sep 18, 2023Observed: 1224.32 ft at 8:15PM Sep 18, 2023Observed: 1224.32 ft at 8:30PM Sep 18, 2023Observed: 1224.32 ft at 8:45PM Sep 18, 2023Observed: 1224.32 ft at 9:00PM Sep 18, 2023Observed: 1224.32 ft at 9:15PM Sep 18, 2023Observed: 1224.33 ft at 9:30PM Sep 18, 2023Observed: 1224.33 ft at 9:45PM Sep 18, 2023Observed: 1224.32 ft at 10:00PM Sep 18, 2023Observed: 1224.32 ft at 10:15PM Sep 18, 2023Observed: 1224.31 ft at 10:30PM Sep 18, 2023Observed: 1224.31 ft at 10:45PM Sep 18, 2023Observed: 1224.3 ft at 11:00PM Sep 18, 2023Observed: 1224.32 ft at 11:15PM Sep 18, 2023Observed: 1224.33 ft at 11:45PM Sep 18, 2023Observed: 1224.3 ft at 12:00AM Sep 19, 2023Observed: 1224.33 ft at 12:15AM Sep 19, 2023Observed: 1224.34 ft at 12:30AM Sep 19, 2023Observed: 1224.33 ft at 12:45AM Sep 19, 2023Observed: 1224.33 ft at 1:00AM Sep 19, 2023Observed: 1224.32 ft at 1:15AM Sep 19, 2023Observed: 1224.33 ft at 1:45AM Sep 19, 2023Observed: 1224.31 ft at 2:00AM Sep 19, 2023Observed: 1224.32 ft at 2:30AM Sep 19, 2023Observed: 1224.31 ft at 2:45AM Sep 19, 2023Observed: 1224.33 ft at 3:00AM Sep 19, 2023Observed: 1224.32 ft at 4:15AM Sep 19, 2023Observed: 1224.33 ft at 4:30AM Sep 19, 2023Observed: 1224.32 ft at 4:45AM Sep 19, 2023Observed: 1224.32 ft at 5:00AM Sep 19, 2023Observed: 1224.32 ft at 5:15AM Sep 19, 2023Observed: 1224.32 ft at 5:30AM Sep 19, 2023Observed: 1224.32 ft at 5:45AM Sep 19, 2023Observed: 1224.32 ft at 6:00AM Sep 19, 2023Observed: 1224.32 ft at 6:15AM Sep 19, 2023Observed: 1224.31 ft at 6:30AM Sep 19, 2023Observed: 1224.31 ft at 6:45AM Sep 19, 2023Observed: 1224.31 ft at 7:00AM Sep 19, 2023Observed: 1224.31 ft at 7:15AM Sep 19, 2023Observed: 1224.31 ft at 7:30AM Sep 19, 2023Observed: 1224.27 ft at 7:45AM Sep 19, 2023Observed: 1224.29 ft at 8:00AM Sep 19, 2023Observed: 1224.3 ft at 8:15AM Sep 19, 2023Observed: 1224.3 ft at 8:30AM Sep 19, 2023Observed: 1224.3 ft at 8:45AM Sep 19, 2023Observed: 1224.3 ft at 9:00AM Sep 19, 2023Observed: 1224.3 ft at 9:15AM Sep 19, 2023Observed: 1224.3 ft at 9:30AM Sep 19, 2023Observed: 1224.3 ft at 9:45AM Sep 19, 2023Observed: 1224.28 ft at 10:00AM Sep 19, 2023Observed: 1224.24 ft at 10:15AM Sep 19, 2023Observed: 1224.24 ft at 10:30AM Sep 19, 2023Observed: 1224.25 ft at 10:45AM Sep 19, 2023Observed: 1224.27 ft at 11:00AM Sep 19, 2023Observed: 1224.23 ft at 11:15AM Sep 19, 2023Observed: 1224.25 ft at 11:30AM Sep 19, 2023Observed: 1224.26 ft at 11:45AM Sep 19, 2023Observed: 1224.27 ft at 12:00PM Sep 19, 2023Observed: 1224.26 ft at 12:15PM Sep 19, 2023Observed: 1224.25 ft at 12:45PM Sep 19, 2023Observed: 1224.26 ft at 1:00PM Sep 19, 2023Observed: 1224.24 ft at 1:15PM Sep 19, 2023Observed: 1224.23 ft at 1:30PM Sep 19, 2023Observed: 1224.26 ft at 1:45PM Sep 19, 2023Observed: 1224.24 ft at 2:00PM Sep 19, 2023Observed: 1224.25 ft at 2:15PM Sep 19, 2023Observed: 1224.24 ft at 2:30PM Sep 19, 2023Observed: 1224.23 ft at 2:45PM Sep 19, 2023Observed: 1224.22 ft at 3:00PM Sep 19, 2023Observed: 1224.25 ft at 3:15PM Sep 19, 2023Observed: 1224.23 ft at 3:30PM Sep 19, 2023Observed: 1224.23 ft at 3:45PM Sep 19, 2023Observed: 1224.22 ft at 4:00PM Sep 19, 2023Observed: 1224.25 ft at 4:15PM Sep 19, 2023Observed: 1224.27 ft at 4:30PM Sep 19, 2023Observed: 1224.25 ft at 4:45PM Sep 19, 2023Observed: 1224.26 ft at 5:00PM Sep 19, 2023Observed: 1224.24 ft at 5:15PM Sep 19, 2023Observed: 1224.25 ft at 5:30PM Sep 19, 2023Observed: 1224.24 ft at 5:45PM Sep 19, 2023Observed: 1224.28 ft at 6:00PM Sep 19, 2023Observed: 1224.27 ft at 6:15PM Sep 19, 2023Observed: 1224.25 ft at 6:30PM Sep 19, 2023Observed: 1224.28 ft at 6:45PM Sep 19, 2023Observed: 1224.28 ft at 7:00PM Sep 19, 2023Observed: 1224.27 ft at 7:15PM Sep 19, 2023Observed: 1224.24 ft at 7:30PM Sep 19, 2023Observed: 1224.28 ft at 7:45PM Sep 19, 2023Observed: 1224.28 ft at 8:00PM Sep 19, 2023Observed: 1224.28 ft at 8:15PM Sep 19, 2023Observed: 1224.27 ft at 8:30PM Sep 19, 2023Observed: 1224.27 ft at 8:45PM Sep 19, 2023Observed: 1224.27 ft at 9:00PM Sep 19, 2023Observed: 1224.22 ft at 9:15PM Sep 19, 2023Observed: 1224.25 ft at 9:30PM Sep 19, 2023Observed: 1224.25 ft at 9:45PM Sep 19, 2023Observed: 1224.23 ft at 10:00PM Sep 19, 2023Observed: 1224.24 ft at 10:15PM Sep 19, 2023Observed: 1224.24 ft at 10:30PM Sep 19, 2023Observed: 1224.24 ft at 10:45PM Sep 19, 2023Observed: 1224.23 ft at 11:00PM Sep 19, 2023Observed: 1224.24 ft at 11:15PM Sep 19, 2023Observed: 1224.24 ft at 11:30PM Sep 19, 2023Observed: 1224.24 ft at 11:45PM Sep 19, 2023Observed: 1224.22 ft at 12:00AM Sep 20, 2023Observed: 1224.25 ft at 12:15AM Sep 20, 2023Observed: 1224.22 ft at 12:30AM Sep 20, 2023Observed: 1224.25 ft at 12:45AM Sep 20, 2023Observed: 1224.25 ft at 1:00AM Sep 20, 2023Observed: 1224.26 ft at 1:15AM Sep 20, 2023Observed: 1224.3 ft at 1:30AM Sep 20, 2023Observed: 1224.3 ft at 1:45AM Sep 20, 2023Observed: 1224.3 ft at 2:00AM Sep 20, 2023Observed: 1224.3 ft at 2:15AM Sep 20, 2023Observed: 1224.3 ft at 2:30AM Sep 20, 2023Observed: 1224.3 ft at 2:45AM Sep 20, 2023Observed: 1224.3 ft at 3:00AM Sep 20, 2023Observed: 1224.3 ft at 3:15AM Sep 20, 2023Observed: 1224.3 ft at 3:30AM Sep 20, 2023Observed: 1224.29 ft at 3:45AM Sep 20, 2023Observed: 1224.29 ft at 4:00AM Sep 20, 2023Observed: 1224.3 ft at 4:15AM Sep 20, 2023Observed: 1224.29 ft at 4:30AM Sep 20, 2023Observed: 1224.3 ft at 4:45AM Sep 20, 2023Observed: 1224.29 ft at 5:00AM Sep 20, 2023Observed: 1224.3 ft at 5:15AM Sep 20, 2023Observed: 1224.29 ft at 5:30AM Sep 20, 2023Observed: 1224.29 ft at 5:45AM Sep 20, 2023Observed: 1224.29 ft at 6:00AM Sep 20, 2023Observed: 1224.29 ft at 6:15AM Sep 20, 2023Observed: 1224.28 ft at 6:30AM Sep 20, 2023Observed: 1224.29 ft at 6:45AM Sep 20, 2023Observed: 1224.29 ft at 7:00AM Sep 20, 2023Observed: 1224.28 ft at 7:15AM Sep 20, 2023Observed: 1224.28 ft at 7:30AM Sep 20, 2023Observed: 1224.29 ft at 7:45AM Sep 20, 2023Observed: 1224.29 ft at 8:00AM Sep 20, 2023Observed: 1224.28 ft at 8:15AM Sep 20, 2023Observed: 1224.28 ft at 8:30AM Sep 20, 2023Observed: 1224.28 ft at 8:45AM Sep 20, 2023Observed: 1224.28 ft at 9:00AM Sep 20, 2023Observed: 1224.28 ft at 9:15AM Sep 20, 2023Observed: 1224.28 ft at 9:30AM Sep 20, 2023Observed: 1224.28 ft at 9:45AM Sep 20, 2023Observed: 1224.28 ft at 10:00AM Sep 20, 2023Observed: 1224.27 ft at 10:15AM Sep 20, 2023Observed: 1224.27 ft at 10:30AM Sep 20, 2023Observed: 1224.25 ft at 10:45AM Sep 20, 2023Observed: 1224.26 ft at 11:00AM Sep 20, 2023Observed: 1224.25 ft at 11:15AM Sep 20, 2023Observed: 1224.28 ft at 11:30AM Sep 20, 2023Observed: 1224.24 ft at 11:45AM Sep 20, 2023Observed: 1224.24 ft at 12:00PM Sep 20, 2023Observed: 1224.23 ft at 12:15PM Sep 20, 2023Observed: 1224.25 ft at 12:30PM Sep 20, 2023Observed: 1224.24 ft at 12:45PM Sep 20, 2023Observed: 1224.24 ft at 1:00PM Sep 20, 2023Observed: 1224.23 ft at 1:15PM Sep 20, 2023Observed: 1224.24 ft at 1:30PM Sep 20, 2023Observed: 1224.26 ft at 1:45PM Sep 20, 2023Observed: 1224.23 ft at 2:00PM Sep 20, 2023Observed: 1224.27 ft at 2:15PM Sep 20, 2023Observed: 1224.23 ft at 2:30PM Sep 20, 2023Observed: 1224.24 ft at 2:45PM Sep 20, 2023Observed: 1224.23 ft at 3:00PM Sep 20, 2023Observed: 1224.25 ft at 3:15PM Sep 20, 2023Observed: 1224.22 ft at 3:30PM Sep 20, 2023Observed: 1224.23 ft at 3:45PM Sep 20, 2023Observed: 1224.26 ft at 4:00PM Sep 20, 2023Observed: 1224.23 ft at 4:15PM Sep 20, 2023Observed: 1224.22 ft at 4:30PM Sep 20, 2023Observed: 1224.22 ft at 4:45PM Sep 20, 2023Observed: 1224.24 ft at 5:00PM Sep 20, 2023Observed: 1224.25 ft at 5:15PM Sep 20, 2023Observed: 1224.24 ft at 5:30PM Sep 20, 2023Observed: 1224.25 ft at 5:45PM Sep 20, 2023Observed: 1224.24 ft at 6:00PM Sep 20, 2023Observed: 1224.24 ft at 6:15PM Sep 20, 2023Observed: 1224.22 ft at 6:30PM Sep 20, 2023Observed: 1224.23 ft at 6:45PM Sep 20, 2023Observed: 1224.25 ft at 7:00PM Sep 20, 2023Observed: 1224.27 ft at 7:15PM Sep 20, 2023Observed: 1224.28 ft at 7:30PM Sep 20, 2023Observed: 1224.27 ft at 7:45PM Sep 20, 2023Observed: 1224.25 ft at 8:00PM Sep 20, 2023Observed: 1224.28 ft at 8:15PM Sep 20, 2023Observed: 1224.28 ft at 8:30PM Sep 20, 2023Observed: 1224.28 ft at 8:45PM Sep 20, 2023Observed: 1224.25 ft at 9:00PM Sep 20, 2023Observed: 1224.28 ft at 9:30PM Sep 20, 2023Observed: 1224.28 ft at 9:45PM Sep 20, 2023Observed: 1224.28 ft at 10:00PM Sep 20, 2023Observed: 1224.28 ft at 10:15PM Sep 20, 2023Observed: 1224.28 ft at 10:30PM Sep 20, 2023Observed: 1224.28 ft at 10:45PM Sep 20, 2023Observed: 1224.27 ft at 11:00PM Sep 20, 2023Observed: 1224.25 ft at 11:15PM Sep 20, 2023Observed: 1224.27 ft at 11:30PM Sep 20, 2023Observed: 1224.24 ft at 11:45PM Sep 20, 2023Observed: 1224.23 ft at 12:00AM Sep 21, 2023Observed: 1224.22 ft at 12:15AM Sep 21, 2023Observed: 1224.23 ft at 12:30AM Sep 21, 2023Observed: 1224.24 ft at 12:45AM Sep 21, 2023Observed: 1224.23 ft at 1:00AM Sep 21, 2023Observed: 1224.24 ft at 1:15AM Sep 21, 2023Observed: 1224.24 ft at 1:30AM Sep 21, 2023Observed: 1224.24 ft at 1:45AM Sep 21, 2023Observed: 1224.25 ft at 2:00AM Sep 21, 2023Observed: 1224.25 ft at 2:15AM Sep 21, 2023Observed: 1224.25 ft at 2:30AM Sep 21, 2023Observed: 1224.27 ft at 2:45AM Sep 21, 2023Observed: 1224.25 ft at 3:00AM Sep 21, 2023Observed: 1224.27 ft at 3:15AM Sep 21, 2023Observed: 1224.25 ft at 3:30AM Sep 21, 2023Observed: 1224.23 ft at 3:45AM Sep 21, 2023Observed: 1224.24 ft at 4:00AM Sep 21, 2023Observed: 1224.24 ft at 4:15AM Sep 21, 2023Observed: 1224.27 ft at 4:30AM Sep 21, 2023Observed: 1224.23 ft at 4:45AM Sep 21, 2023Observed: 1224.24 ft at 5:00AM Sep 21, 2023Observed: 1224.23 ft at 5:15AM Sep 21, 2023Observed: 1224.23 ft at 5:30AM Sep 21, 2023Observed: 1224.26 ft at 5:45AM Sep 21, 2023Observed: 1224.25 ft at 6:00AM Sep 21, 2023Observed: 1224.25 ft at 6:15AM Sep 21, 2023Observed: 1224.26 ft at 6:30AM Sep 21, 2023Observed: 1224.25 ft at 6:45AM Sep 21, 2023Observed: 1224.23 ft at 7:00AM Sep 21, 2023Observed: 1224.26 ft at 7:15AM Sep 21, 2023Observed: 1224.22 ft at 7:30AM Sep 21, 2023Observed: 1224.26 ft at 7:45AM Sep 21, 2023Observed: 1224.23 ft at 8:00AM Sep 21, 2023Observed: 1224.2 ft at 8:15AM Sep 21, 2023Observed: 1224.2 ft at 8:30AM Sep 21, 2023Observed: 1224.22 ft at 8:45AM Sep 21, 2023Observed: 1224.24 ft at 9:00AM Sep 21, 2023Observed: 1224.21 ft at 9:15AM Sep 21, 2023Observed: 1224.2 ft at 9:30AM Sep 21, 2023Observed: 1224.18 ft at 9:45AM Sep 21, 2023Observed: 1224.2 ft at 10:00AM Sep 21, 2023Observed: 1224.21 ft at 10:15AM Sep 21, 2023Observed: 1224.23 ft at 10:30AM Sep 21, 2023Observed: 1224.2 ft at 10:45AM Sep 21, 2023Observed: 1224.23 ft at 11:00AM Sep 21, 2023Observed: 1224.19 ft at 11:15AM Sep 21, 2023Observed: 1224.22 ft at 11:30AM Sep 21, 2023Observed: 1224.21 ft at 11:45AM Sep 21, 2023Observed: 1224.21 ft at 12:00PM Sep 21, 2023Observed: 1224.22 ft at 12:15PM Sep 21, 2023Observed: 1224.23 ft at 12:30PM Sep 21, 2023Observed: 1224.21 ft at 12:45PM Sep 21, 2023Observed: 1224.24 ft at 1:00PM Sep 21, 2023Observed: 1224.21 ft at 1:15PM Sep 21, 2023Observed: 1224.2 ft at 1:30PM Sep 21, 2023Observed: 1224.2 ft at 1:45PM Sep 21, 2023Observed: 1224.25 ft at 2:00PM Sep 21, 2023Observed: 1224.18 ft at 2:15PM Sep 21, 2023Observed: 1224.2 ft at 2:30PM Sep 21, 2023Observed: 1224.2 ft at 2:45PM Sep 21, 2023Observed: 1224.19 ft at 3:00PM Sep 21, 2023Observed: 1224.18 ft at 3:15PM Sep 21, 2023Observed: 1224.18 ft at 3:30PM Sep 21, 2023Observed: 1224.23 ft at 3:45PM Sep 21, 2023Observed: 1224.23 ft at 4:00PM Sep 21, 2023Observed: 1224.18 ft at 4:15PM Sep 21, 2023Observed: 1224.24 ft at 4:30PM Sep 21, 2023Observed: 1224.23 ft at 4:45PM Sep 21, 2023Observed: 1224.23 ft at 5:00PM Sep 21, 2023Observed: 1224.23 ft at 5:15PM Sep 21, 2023Observed: 1224.22 ft at 5:30PM Sep 21, 2023Observed: 1224.22 ft at 5:45PM Sep 21, 2023Observed: 1224.22 ft at 6:00PM Sep 21, 2023Observed: 1224.21 ft at 6:15PM Sep 21, 2023Observed: 1224.21 ft at 6:30PM Sep 21, 2023Observed: 1224.21 ft at 6:45PM Sep 21, 2023Observed: 1224.21 ft at 7:00PM Sep 21, 2023Observed: 1224.2 ft at 7:15PM Sep 21, 2023Observed: 1224.2 ft at 7:30PM Sep 21, 2023Observed: 1224.2 ft at 7:45PM Sep 21, 2023Observed: 1224.2 ft at 8:00PM Sep 21, 2023Observed: 1224.21 ft at 8:15PM Sep 21, 2023Observed: 1224.2 ft at 8:30PM Sep 21, 2023Observed: 1224.2 ft at 8:45PM Sep 21, 2023Observed: 1224.21 ft at 9:00PM Sep 21, 2023Observed: 1224.22 ft at 9:15PM Sep 21, 2023Observed: 1224.21 ft at 9:30PM Sep 21, 2023Observed: 1224.22 ft at 9:45PM Sep 21, 2023Observed: 1224.23 ft at 10:00PM Sep 21, 2023Observed: 1224.23 ft at 10:15PM Sep 21, 2023Observed: 1224.23 ft at 10:30PM Sep 21, 2023Observed: 1224.24 ft at 10:45PM Sep 21, 2023Observed: 1224.25 ft at 11:00PM Sep 21, 2023Observed: 1224.25 ft at 11:15PM Sep 21, 2023Observed: 1224.25 ft at 11:30PM Sep 21, 2023Observed: 1224.25 ft at 11:45PM Sep 21, 2023Observed: 1224.23 ft at 12:00AM Sep 22, 2023Observed: 1224.24 ft at 12:15AM Sep 22, 2023Observed: 1224.23 ft at 12:30AM Sep 22, 2023Observed: 1224.25 ft at 12:45AM Sep 22, 2023Observed: 1224.24 ft at 1:15AM Sep 22, 2023Observed: 1224.28 ft at 1:30AM Sep 22, 2023Observed: 1224.29 ft at 1:45AM Sep 22, 2023Observed: 1224.29 ft at 2:00AM Sep 22, 2023Observed: 1224.29 ft at 2:15AM Sep 22, 2023Observed: 1224.29 ft at 2:30AM Sep 22, 2023Observed: 1224.28 ft at 2:45AM Sep 22, 2023Observed: 1224.29 ft at 3:00AM Sep 22, 2023Observed: 1224.29 ft at 3:15AM Sep 22, 2023Observed: 1224.27 ft at 3:30AM Sep 22, 2023Observed: 1224.3 ft at 3:45AM Sep 22, 2023Observed: 1224.29 ft at 4:00AM Sep 22, 2023Observed: 1224.31 ft at 4:15AM Sep 22, 2023Observed: 1224.27 ft at 4:30AM Sep 22, 2023Observed: 1224.3 ft at 4:45AM Sep 22, 2023Observed: 1224.31 ft at 5:00AM Sep 22, 2023Observed: 1224.31 ft at 5:15AM Sep 22, 2023Observed: 1224.26 ft at 5:30AM Sep 22, 2023Observed: 1224.26 ft at 5:45AM Sep 22, 2023Observed: 1224.31 ft at 6:00AM Sep 22, 2023Observed: 1224.28 ft at 6:15AM Sep 22, 2023Observed: 1224.27 ft at 6:30AM Sep 22, 2023Observed: 1224.25 ft at 6:45AM Sep 22, 2023Observed: 1224.24 ft at 7:00AM Sep 22, 2023Observed: 1224.27 ft at 7:15AM Sep 22, 2023Observed: 1224.3 ft at 7:30AM Sep 22, 2023Observed: 1224.27 ft at 7:45AM Sep 22, 2023Observed: 1224.28 ft at 8:00AM Sep 22, 2023Observed: 1224.32 ft at 8:15AM Sep 22, 2023Observed: 1224.32 ft at 8:30AM Sep 22, 2023Observed: 1224.32 ft at 8:45AM Sep 22, 2023Observed: 1224.26 ft at 9:00AM Sep 22, 2023Observed: 1224.28 ft at 9:15AM Sep 22, 2023Observed: 1224.27 ft at 9:30AM Sep 22, 2023Observed: 1224.27 ft at 9:45AM Sep 22, 2023Observed: 1224.28 ft at 10:00AM Sep 22, 2023Observed: 1224.26 ft at 10:15AM Sep 22, 2023Observed: 1224.29 ft at 10:30AM Sep 22, 2023Observed: 1224.3 ft at 10:45AM Sep 22, 2023Observed: 1224.28 ft at 11:00AM Sep 22, 2023Observed: 1224.26 ft at 11:15AM Sep 22, 2023Observed: 1224.26 ft at 11:30AM Sep 22, 2023Observed: 1224.27 ft at 11:45AM Sep 22, 2023Observed: 1224.27 ft at 12:00PM Sep 22, 2023Observed: 1224.28 ft at 12:15PM Sep 22, 2023Observed: 1224.26 ft at 12:30PM Sep 22, 2023Observed: 1224.27 ft at 12:45PM Sep 22, 2023Observed: 1224.27 ft at 1:00PM Sep 22, 2023Observed: 1224.26 ft at 1:15PM Sep 22, 2023Observed: 1224.25 ft at 1:30PM Sep 22, 2023Observed: 1224.28 ft at 1:45PM Sep 22, 2023Observed: 1224.26 ft at 2:00PM Sep 22, 2023Observed: 1224.27 ft at 2:15PM Sep 22, 2023Observed: 1224.28 ft at 2:30PM Sep 22, 2023Observed: 1224.26 ft at 2:45PM Sep 22, 2023Observed: 1224.27 ft at 3:00PM Sep 22, 2023Observed: 1224.25 ft at 3:15PM Sep 22, 2023Observed: 1224.27 ft at 3:30PM Sep 22, 2023Observed: 1224.26 ft at 3:45PM Sep 22, 2023Observed: 1224.29 ft at 4:00PM Sep 22, 2023Observed: 1224.26 ft at 4:15PM Sep 22, 2023Observed: 1224.27 ft at 4:30PM Sep 22, 2023Observed: 1224.26 ft at 4:45PM Sep 22, 2023Observed: 1224.27 ft at 5:00PM Sep 22, 2023Observed: 1224.28 ft at 5:15PM Sep 22, 2023Observed: 1224.29 ft at 5:30PM Sep 22, 2023Observed: 1224.27 ft at 5:45PM Sep 22, 2023Observed: 1224.29 ft at 6:00PM Sep 22, 2023Observed: 1224.29 ft at 6:15PM Sep 22, 2023Observed: 1224.3 ft at 6:30PM Sep 22, 2023Observed: 1224.3 ft at 6:45PM Sep 22, 2023Observed: 1224.34 ft at 7:00PM Sep 22, 2023Observed: 1224.34 ft at 7:15PM Sep 22, 2023Observed: 1224.31 ft at 7:30PM Sep 22, 2023Observed: 1224.35 ft at 7:45PM Sep 22, 2023Observed: 1224.34 ft at 8:00PM Sep 22, 2023Observed: 1224.33 ft at 8:15PM Sep 22, 2023Observed: 1224.35 ft at 8:30PM Sep 22, 2023Observed: 1224.34 ft at 8:45PM Sep 22, 2023Observed: 1224.37 ft at 9:00PM Sep 22, 2023Observed: 1224.36 ft at 9:15PM Sep 22, 2023Observed: 1224.33 ft at 9:30PM Sep 22, 2023Observed: 1224.34 ft at 9:45PM Sep 22, 2023Observed: 1224.36 ft at 10:00PM Sep 22, 2023Observed: 1224.37 ft at 10:15PM Sep 22, 2023Observed: 1224.38 ft at 10:30PM Sep 22, 2023Observed: 1224.37 ft at 10:45PM Sep 22, 2023Observed: 1224.38 ft at 11:00PM Sep 22, 2023Observed: 1224.39 ft at 12:15AM Sep 23, 2023Observed: 1224.39 ft at 12:30AM Sep 23, 2023Observed: 1224.39 ft at 12:45AM Sep 23, 2023Observed: 1224.4 ft at 1:00AM Sep 23, 2023Observed: 1224.4 ft at 1:15AM Sep 23, 2023Observed: 1224.4 ft at 1:30AM Sep 23, 2023Observed: 1224.4 ft at 1:45AM Sep 23, 2023Observed: 1224.4 ft at 2:00AM Sep 23, 2023Observed: 1224.4 ft at 2:15AM Sep 23, 2023Observed: 1224.4 ft at 2:30AM Sep 23, 2023Observed: 1224.4 ft at 2:45AM Sep 23, 2023Observed: 1224.4 ft at 3:00AM Sep 23, 2023Observed: 1224.4 ft at 3:15AM Sep 23, 2023Observed: 1224.4 ft at 3:30AM Sep 23, 2023Observed: 1224.4 ft at 3:45AM Sep 23, 2023Observed: 1224.4 ft at 4:00AM Sep 23, 2023Observed: 1224.4 ft at 4:15AM Sep 23, 2023Observed: 1224.4 ft at 4:30AM Sep 23, 2023Observed: 1224.39 ft at 4:45AM Sep 23, 2023Highest Observation: 1224.41 ft at 5:00AM Sep 23, 2023Observed: 1224.4 ft at 5:15AM Sep 23, 2023Highest Observation: 1224.41 ft at 5:30AM Sep 23, 2023Observed: 1224.4 ft at 5:45AM Sep 23, 2023Observed: 1224.4 ft at 6:00AM Sep 23, 2023Observed: 1224.4 ft at 6:15AM Sep 23, 2023Observed: 1224.4 ft at 6:30AM Sep 23, 2023Observed: 1224.39 ft at 6:45AM Sep 23, 2023Observed: 1224.4 ft at 7:00AM Sep 23, 2023Observed: 1224.4 ft at 7:15AM Sep 23, 2023Observed: 1224.39 ft at 7:30AM Sep 23, 2023Observed: 1224.4 ft at 7:45AM Sep 23, 2023Observed: 1224.37 ft at 8:00AM Sep 23, 2023Observed: 1224.35 ft at 8:15AM Sep 23, 2023Observed: 1224.34 ft at 8:30AM Sep 23, 2023Observed: 1224.34 ft at 8:45AM Sep 23, 2023Observed: 1224.37 ft at 9:00AM Sep 23, 2023Observed: 1224.36 ft at 9:15AM Sep 23, 2023Observed: 1224.36 ft at 9:30AM Sep 23, 2023Observed: 1224.33 ft at 9:45AM Sep 23, 2023Observed: 1224.38 ft at 10:00AM Sep 23, 2023Observed: 1224.36 ft at 10:15AM Sep 23, 2023Observed: 1224.36 ft at 10:30AM Sep 23, 2023Observed: 1224.37 ft at 10:45AM Sep 23, 2023Observed: 1224.36 ft at 11:00AM Sep 23, 2023Observed: 1224.36 ft at 11:15AM Sep 23, 2023Observed: 1224.33 ft at 11:30AM Sep 23, 2023Observed: 1224.32 ft at 11:45AM Sep 23, 2023Observed: 1224.33 ft at 12:00PM Sep 23, 2023Observed: 1224.33 ft at 1:15PM Sep 23, 2023Observed: 1224.33 ft at 1:30PM Sep 23, 2023Observed: 1224.35 ft at 1:45PM Sep 23, 2023Observed: 1224.36 ft at 2:00PM Sep 23, 2023Observed: 1224.35 ft at 2:15PM Sep 23, 2023Observed: 1224.35 ft at 2:30PM Sep 23, 2023Observed: 1224.34 ft at 2:45PM Sep 23, 2023Observed: 1224.36 ft at 3:00PM Sep 23, 2023Observed: 1224.35 ft at 3:15PM Sep 23, 2023Observed: 1224.33 ft at 3:30PM Sep 23, 2023Observed: 1224.34 ft at 3:45PM Sep 23, 2023Observed: 1224.33 ft at 4:00PM Sep 23, 2023Observed: 1224.32 ft at 4:15PM Sep 23, 2023Observed: 1224.35 ft at 4:30PM Sep 23, 2023Observed: 1224.34 ft at 4:45PM Sep 23, 2023Observed: 1224.36 ft at 5:00PM Sep 23, 2023Observed: 1224.33 ft at 5:15PM Sep 23, 2023Observed: 1224.33 ft at 5:30PM Sep 23, 2023Observed: 1224.33 ft at 5:45PM Sep 23, 2023Observed: 1224.34 ft at 6:00PM Sep 23, 2023Observed: 1224.33 ft at 6:15PM Sep 23, 2023Observed: 1224.34 ft at 6:30PM Sep 23, 2023Observed: 1224.35 ft at 6:45PM Sep 23, 2023Observed: 1224.38 ft at 7:00PM Sep 23, 2023Observed: 1224.35 ft at 7:15PM Sep 23, 2023Observed: 1224.36 ft at 7:30PM Sep 23, 2023Observed: 1224.38 ft at 7:45PM Sep 23, 2023Observed: 1224.35 ft at 8:00PM Sep 23, 2023Observed: 1224.36 ft at 8:15PM Sep 23, 2023Observed: 1224.37 ft at 8:30PM Sep 23, 2023Observed: 1224.38 ft at 8:45PM Sep 23, 2023Observed: 1224.38 ft at 9:00PM Sep 23, 2023Observed: 1224.38 ft at 9:15PM Sep 23, 2023Observed: 1224.38 ft at 9:30PM Sep 23, 2023Observed: 1224.38 ft at 9:45PM Sep 23, 2023Observed: 1224.38 ft at 10:00PM Sep 23, 2023Observed: 1224.37 ft at 10:15PM Sep 23, 2023Observed: 1224.37 ft at 10:30PM Sep 23, 2023Observed: 1224.38 ft at 10:45PM Sep 23, 2023Observed: 1224.38 ft at 11:00PM Sep 23, 2023Observed: 1224.37 ft at 11:15PM Sep 23, 2023Observed: 1224.38 ft at 11:30PM Sep 23, 2023Observed: 1224.38 ft at 11:45PM Sep 23, 2023Observed: 1224.38 ft at 12:00AM Sep 24, 2023Observed: 1224.38 ft at 12:15AM Sep 24, 2023Observed: 1224.37 ft at 12:30AM Sep 24, 2023Observed: 1224.38 ft at 12:45AM Sep 24, 2023Observed: 1224.38 ft at 1:00AM Sep 24, 2023Observed: 1224.38 ft at 1:15AM Sep 24, 2023Observed: 1224.38 ft at 1:30AM Sep 24, 2023Observed: 1224.38 ft at 1:45AM Sep 24, 2023Observed: 1224.38 ft at 2:00AM Sep 24, 2023Observed: 1224.38 ft at 2:15AM Sep 24, 2023Observed: 1224.38 ft at 2:30AM Sep 24, 2023Observed: 1224.37 ft at 2:45AM Sep 24, 2023Observed: 1224.37 ft at 3:00AM Sep 24, 2023Observed: 1224.37 ft at 3:15AM Sep 24, 2023Observed: 1224.37 ft at 3:30AM Sep 24, 2023Observed: 1224.37 ft at 3:45AM Sep 24, 2023Observed: 1224.37 ft at 4:00AM Sep 24, 2023Observed: 1224.37 ft at 4:15AM Sep 24, 2023Observed: 1224.37 ft at 4:30AM Sep 24, 2023Observed: 1224.37 ft at 4:45AM Sep 24, 2023Observed: 1224.37 ft at 5:00AM Sep 24, 2023Observed: 1224.37 ft at 5:15AM Sep 24, 2023Observed: 1224.36 ft at 5:30AM Sep 24, 2023Observed: 1224.37 ft at 5:45AM Sep 24, 2023Observed: 1224.37 ft at 6:00AM Sep 24, 2023Observed: 1224.37 ft at 6:15AM Sep 24, 2023Observed: 1224.37 ft at 6:30AM Sep 24, 2023Observed: 1224.37 ft at 6:45AM Sep 24, 2023Observed: 1224.37 ft at 7:00AM Sep 24, 2023Observed: 1224.37 ft at 7:15AM Sep 24, 2023Observed: 1224.37 ft at 7:30AM Sep 24, 2023Observed: 1224.37 ft at 7:45AM Sep 24, 2023Observed: 1224.37 ft at 8:00AM Sep 24, 2023Observed: 1224.36 ft at 8:15AM Sep 24, 2023Observed: 1224.37 ft at 8:30AM Sep 24, 2023Observed: 1224.36 ft at 8:45AM Sep 24, 2023Observed: 1224.36 ft at 9:00AM Sep 24, 2023Observed: 1224.34 ft at 10:15AM Sep 24, 2023Observed: 1224.34 ft at 10:30AM Sep 24, 2023Observed: 1224.35 ft at 10:45AM Sep 24, 2023Observed: 1224.3 ft at 11:00AM Sep 24, 2023Observed: 1224.33 ft at 11:15AM Sep 24, 2023Observed: 1224.28 ft at 11:30AM Sep 24, 2023Observed: 1224.29 ft at 11:45AM Sep 24, 2023Observed: 1224.32 ft at 12:00PM Sep 24, 2023Observed: 1224.34 ft at 12:15PM Sep 24, 2023Observed: 1224.3 ft at 12:30PM Sep 24, 2023Observed: 1224.31 ft at 12:45PM Sep 24, 2023Observed: 1224.31 ft at 1:00PM Sep 24, 2023Observed: 1224.3 ft at 1:15PM Sep 24, 2023Observed: 1224.3 ft at 1:30PM Sep 24, 2023Observed: 1224.28 ft at 1:45PM Sep 24, 2023Observed: 1224.28 ft at 2:00PM Sep 24, 2023Observed: 1224.34 ft at 2:15PM Sep 24, 2023Observed: 1224.33 ft at 2:30PM Sep 24, 2023Observed: 1224.29 ft at 2:45PM Sep 24, 2023Observed: 1224.3 ft at 3:00PM Sep 24, 2023Observed: 1224.33 ft at 3:15PM Sep 24, 2023Observed: 1224.34 ft at 3:30PM Sep 24, 2023Observed: 1224.3 ft at 3:45PM Sep 24, 2023Observed: 1224.28 ft at 4:00PM Sep 24, 2023Observed: 1224.33 ft at 4:15PM Sep 24, 2023Observed: 1224.34 ft at 4:30PM Sep 24, 2023Observed: 1224.34 ft at 4:45PM Sep 24, 2023Observed: 1224.34 ft at 5:00PM Sep 24, 2023Observed: 1224.34 ft at 5:15PM Sep 24, 2023Observed: 1224.34 ft at 5:30PM Sep 24, 2023Observed: 1224.34 ft at 5:45PM Sep 24, 2023Observed: 1224.34 ft at 6:00PM Sep 24, 2023Observed: 1224.34 ft at 6:15PM Sep 24, 2023Observed: 1224.34 ft at 6:30PM Sep 24, 2023Observed: 1224.34 ft at 6:45PM Sep 24, 2023Observed: 1224.35 ft at 7:00PM Sep 24, 2023Observed: 1224.35 ft at 7:15PM Sep 24, 2023Observed: 1224.36 ft at 7:30PM Sep 24, 2023Observed: 1224.35 ft at 7:45PM Sep 24, 2023Observed: 1224.36 ft at 8:00PM Sep 24, 2023Observed: 1224.35 ft at 8:15PM Sep 24, 2023Observed: 1224.36 ft at 8:30PM Sep 24, 2023Observed: 1224.35 ft at 8:45PM Sep 24, 2023Observed: 1224.36 ft at 9:00PM Sep 24, 2023Observed: 1224.35 ft at 9:15PM Sep 24, 2023Observed: 1224.35 ft at 9:30PM Sep 24, 2023Observed: 1224.36 ft at 9:45PM Sep 24, 2023Observed: 1224.36 ft at 10:00PM Sep 24, 2023Observed: 1224.35 ft at 10:15PM Sep 24, 2023Observed: 1224.36 ft at 10:30PM Sep 24, 2023Observed: 1224.36 ft at 10:45PM Sep 24, 2023Observed: 1224.34 ft at 11:00PM Sep 24, 2023Observed: 1224.35 ft at 11:15PM Sep 24, 2023Observed: 1224.35 ft at 11:30PM Sep 24, 2023Observed: 1224.34 ft at 11:45PM Sep 24, 2023Observed: 1224.35 ft at 12:00AM Sep 25, 2023Observed: 1224.35 ft at 12:15AM Sep 25, 2023Observed: 1224.35 ft at 12:30AM Sep 25, 2023Observed: 1224.35 ft at 12:45AM Sep 25, 2023Observed: 1224.35 ft at 1:00AM Sep 25, 2023Observed: 1224.35 ft at 1:15AM Sep 25, 2023Observed: 1224.35 ft at 1:30AM Sep 25, 2023Observed: 1224.35 ft at 1:45AM Sep 25, 2023Observed: 1224.35 ft at 2:00AM Sep 25, 2023Observed: 1224.35 ft at 2:15AM Sep 25, 2023Observed: 1224.35 ft at 2:30AM Sep 25, 2023Observed: 1224.34 ft at 2:45AM Sep 25, 2023Observed: 1224.34 ft at 3:00AM Sep 25, 2023Observed: 1224.34 ft at 3:15AM Sep 25, 2023Observed: 1224.34 ft at 3:30AM Sep 25, 2023Observed: 1224.35 ft at 3:45AM Sep 25, 2023Observed: 1224.35 ft at 4:00AM Sep 25, 2023Observed: 1224.35 ft at 4:15AM Sep 25, 2023Observed: 1224.35 ft at 4:30AM Sep 25, 2023Observed: 1224.35 ft at 4:45AM Sep 25, 2023Observed: 1224.35 ft at 5:00AM Sep 25, 2023Observed: 1224.35 ft at 5:15AM Sep 25, 2023Observed: 1224.35 ft at 5:30AM Sep 25, 2023Observed: 1224.36 ft at 5:45AM Sep 25, 2023Observed: 1224.35 ft at 6:00AM Sep 25, 2023Observed: 1224.36 ft at 6:15AM Sep 25, 2023Observed: 1224.36 ft at 6:30AM Sep 25, 2023Observed: 1224.36 ft at 6:45AM Sep 25, 2023Observed: 1224.36 ft at 7:00AM Sep 25, 2023Observed: 1224.36 ft at 7:15AM Sep 25, 2023Observed: 1224.36 ft at 7:30AM Sep 25, 2023Observed: 1224.36 ft at 7:45AM Sep 25, 2023Observed: 1224.37 ft at 8:00AM Sep 25, 2023South Dakota DANRCBSS2(plotting HGIRG) Graph Created (8:35AM Sep 25, 2023)ObservedLatest observed value: 1224.37 ft at 8:00 AM CDT 25-Sep-2023. Flood Stage is 1235 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: Forecasts are not available for the Big Sioux River above Canton. Only observed stages are available for this point.

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Upstream Gauge - near Brandon Upstream Gauge Downstream Gauge Downstream Gauge - at Fairview
Flood Categories (in feet)
Major Flood Stage: 1240
Moderate Flood Stage: 1238
Flood Stage: 1235
Action Stage: 1233
Low Stage (in feet): -9999

Historic Crests
(1) 1,246.72 ft on 06/16/2014
(2) 1,245.88 ft on 09/13/2019
(3) 1,245.00 ft on 04/10/1969
(4) 1,244.68 ft on 03/15/2019
(5) 1,242.20 ft on 06/22/2018
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 1,235.23 ft on 03/30/2020
(2) 1,245.88 ft on 09/13/2019
(3) 1,244.68 ft on 03/15/2019
(4) 1,242.20 ft on 06/22/2018
(5) 1,246.72 ft on 06/16/2014
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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 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
1245 Highway 18 begins to flood and major damage will occur to trees and fences throughout the flood plain.
1238 Nearly all crop and pasture land in the 1/2 mile wide flood plain will be inundated.
1237 The park on the south side of Canton begins to flood.
1236 The parking lot at the Big Sioux access point off of Hwy 18 at the gauge location begins to flood.
1235 Flooding begins to affect significant amounts of crop and pasture land.
1233 The parking lot of the Big Sioux Access point on the south side of Canton begins to flood.
Photos
(1) Downstream View
(2) Upstream View
About This Location Collapse

Latitude: 43.307060° N, Longitude: 96.528283° W, Horizontal Datum: NAD27

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 1235 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 1235.00 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  
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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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