Skip Navigation Link weather.gov  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left Home News Organization
Bookmark and Share Navigation Bar End Cap

  

National Conditions
    Rivers
    Satellite
    Climate
    Observed Precip

Local Conditions
    Warnings
    Weather Forecast
    Radar

AHPS Documentation
    User Guide
    User Brochure

What is AHPS?
    Facts
    Our Partners

Feedback/Questions
    Provide Feedback
    Ask Questions

When flooded turn around don't drown
FloodSmart
USA.gov Official Web Portal
 



Hydrograph River at a Glance Download
Big Sioux River near Canton Stage (ft)Flow (cfs)Highest Observation: 1112.68 ft at 7:00PM May 17, 2022Observed: 1112.67 ft at 7:15PM May 17, 2022Observed: 1112.67 ft at 7:30PM May 17, 2022Observed: 1112.66 ft at 7:45PM May 17, 2022Observed: 1112.66 ft at 8:00PM May 17, 2022Observed: 1112.64 ft at 8:15PM May 17, 2022Observed: 1112.64 ft at 8:30PM May 17, 2022Observed: 1112.62 ft at 8:45PM May 17, 2022Observed: 1112.62 ft at 9:00PM May 17, 2022Observed: 1112.61 ft at 9:15PM May 17, 2022Observed: 1112.61 ft at 9:30PM May 17, 2022Observed: 1112.6 ft at 9:45PM May 17, 2022Observed: 1112.59 ft at 10:00PM May 17, 2022Observed: 1112.6 ft at 10:15PM May 17, 2022Observed: 1112.58 ft at 10:30PM May 17, 2022Observed: 1112.57 ft at 10:45PM May 17, 2022Observed: 1112.56 ft at 11:00PM May 17, 2022Observed: 1112.56 ft at 11:15PM May 17, 2022Observed: 1112.55 ft at 11:30PM May 17, 2022Observed: 1112.55 ft at 11:45PM May 17, 2022Observed: 1112.54 ft at 12:00AM May 18, 2022Observed: 1112.54 ft at 12:15AM May 18, 2022Observed: 1112.53 ft at 12:30AM May 18, 2022Observed: 1112.52 ft at 12:45AM May 18, 2022Observed: 1112.51 ft at 1:00AM May 18, 2022Observed: 1112.5 ft at 1:15AM May 18, 2022Observed: 1112.5 ft at 1:30AM May 18, 2022Observed: 1112.48 ft at 1:45AM May 18, 2022Observed: 1112.48 ft at 2:00AM May 18, 2022Observed: 1112.47 ft at 2:15AM May 18, 2022Observed: 1112.46 ft at 2:30AM May 18, 2022Observed: 1112.45 ft at 2:45AM May 18, 2022Observed: 1112.46 ft at 3:00AM May 18, 2022Observed: 1112.45 ft at 3:15AM May 18, 2022Observed: 1112.43 ft at 3:30AM May 18, 2022Observed: 1112.43 ft at 3:45AM May 18, 2022Observed: 1112.42 ft at 4:00AM May 18, 2022Observed: 1112.41 ft at 4:15AM May 18, 2022Observed: 1112.4 ft at 4:30AM May 18, 2022Observed: 1112.4 ft at 4:45AM May 18, 2022Observed: 1112.39 ft at 5:00AM May 18, 2022Observed: 1112.37 ft at 5:15AM May 18, 2022Observed: 1112.37 ft at 5:30AM May 18, 2022Observed: 1112.36 ft at 5:45AM May 18, 2022Observed: 1112.36 ft at 6:00AM May 18, 2022Observed: 1112.36 ft at 6:15AM May 18, 2022Observed: 1112.35 ft at 6:30AM May 18, 2022Observed: 1112.34 ft at 6:45AM May 18, 2022Observed: 1112.33 ft at 7:00AM May 18, 2022Observed: 1112.33 ft at 7:15AM May 18, 2022Observed: 1112.31 ft at 7:30AM May 18, 2022Observed: 1112.31 ft at 7:45AM May 18, 2022Observed: 1112.31 ft at 8:00AM May 18, 2022Observed: 1112.3 ft at 8:15AM May 18, 2022Observed: 1112.29 ft at 8:30AM May 18, 2022Observed: 1112.28 ft at 8:45AM May 18, 2022Observed: 1112.28 ft at 9:00AM May 18, 2022Observed: 1112.29 ft at 9:15AM May 18, 2022Observed: 1112.28 ft at 9:30AM May 18, 2022Observed: 1112.28 ft at 9:45AM May 18, 2022Observed: 1112.26 ft at 10:00AM May 18, 2022Observed: 1112.26 ft at 10:15AM May 18, 2022Observed: 1112.23 ft at 10:30AM May 18, 2022Observed: 1112.26 ft at 10:45AM May 18, 2022Observed: 1112.24 ft at 11:00AM May 18, 2022Observed: 1112.24 ft at 11:15AM May 18, 2022Observed: 1112.22 ft at 11:30AM May 18, 2022Observed: 1112.23 ft at 11:45AM May 18, 2022Observed: 1112.21 ft at 12:00PM May 18, 2022Observed: 1112.19 ft at 12:15PM May 18, 2022Observed: 1112.18 ft at 12:30PM May 18, 2022Observed: 1112.21 ft at 12:45PM May 18, 2022Observed: 1112.2 ft at 1:00PM May 18, 2022Observed: 1112.2 ft at 1:15PM May 18, 2022Observed: 1112.2 ft at 1:30PM May 18, 2022Observed: 1112.18 ft at 1:45PM May 18, 2022Observed: 1112.18 ft at 2:00PM May 18, 2022Observed: 1112.17 ft at 2:15PM May 18, 2022Observed: 1112.16 ft at 2:30PM May 18, 2022Observed: 1112.16 ft at 2:45PM May 18, 2022Observed: 1112.16 ft at 3:00PM May 18, 2022Observed: 1112.14 ft at 3:15PM May 18, 2022Observed: 1112.14 ft at 3:30PM May 18, 2022Observed: 1112.14 ft at 3:45PM May 18, 2022Observed: 1112.12 ft at 4:00PM May 18, 2022Observed: 1112.12 ft at 4:15PM May 18, 2022Observed: 1112.1 ft at 4:30PM May 18, 2022Observed: 1112.09 ft at 4:45PM May 18, 2022Observed: 1112.09 ft at 5:00PM May 18, 2022Observed: 1112.09 ft at 5:15PM May 18, 2022Observed: 1112.08 ft at 5:30PM May 18, 2022Observed: 1112.07 ft at 5:45PM May 18, 2022Observed: 1112.07 ft at 6:00PM May 18, 2022Observed: 1112.05 ft at 6:15PM May 18, 2022Observed: 1112.04 ft at 6:30PM May 18, 2022Observed: 1112.04 ft at 6:45PM May 18, 2022Observed: 1112.04 ft at 7:00PM May 18, 2022Observed: 1112.01 ft at 7:15PM May 18, 2022Observed: 1112.02 ft at 7:30PM May 18, 2022Observed: 1112 ft at 7:45PM May 18, 2022Observed: 1112 ft at 8:00PM May 18, 2022Observed: 1112 ft at 8:15PM May 18, 2022Observed: 1112 ft at 8:30PM May 18, 2022Observed: 1111.99 ft at 8:45PM May 18, 2022Observed: 1111.97 ft at 9:00PM May 18, 2022Observed: 1111.97 ft at 9:15PM May 18, 2022Observed: 1111.95 ft at 9:30PM May 18, 2022Observed: 1111.96 ft at 9:45PM May 18, 2022Observed: 1111.93 ft at 10:00PM May 18, 2022Observed: 1111.93 ft at 10:15PM May 18, 2022Observed: 1111.93 ft at 10:30PM May 18, 2022Observed: 1111.93 ft at 10:45PM May 18, 2022Observed: 1111.92 ft at 11:00PM May 18, 2022Observed: 1111.91 ft at 11:15PM May 18, 2022Observed: 1111.9 ft at 11:30PM May 18, 2022Observed: 1111.9 ft at 11:45PM May 18, 2022Observed: 1111.88 ft at 12:00AM May 19, 2022Observed: 1111.88 ft at 12:15AM May 19, 2022Observed: 1111.88 ft at 12:30AM May 19, 2022Observed: 1111.86 ft at 12:45AM May 19, 2022Observed: 1111.85 ft at 1:00AM May 19, 2022Observed: 1111.87 ft at 1:15AM May 19, 2022Observed: 1111.86 ft at 1:30AM May 19, 2022Observed: 1111.84 ft at 1:45AM May 19, 2022Observed: 1111.84 ft at 2:00AM May 19, 2022Observed: 1111.83 ft at 2:15AM May 19, 2022Observed: 1111.82 ft at 2:30AM May 19, 2022Observed: 1111.82 ft at 2:45AM May 19, 2022Observed: 1111.81 ft at 3:00AM May 19, 2022Observed: 1111.8 ft at 3:15AM May 19, 2022Observed: 1111.8 ft at 3:30AM May 19, 2022Observed: 1111.8 ft at 3:45AM May 19, 2022Observed: 1111.79 ft at 4:00AM May 19, 2022Observed: 1111.79 ft at 4:15AM May 19, 2022Observed: 1111.78 ft at 4:30AM May 19, 2022Observed: 1111.78 ft at 4:45AM May 19, 2022Observed: 1111.78 ft at 5:00AM May 19, 2022Observed: 1111.76 ft at 5:15AM May 19, 2022Observed: 1111.76 ft at 5:30AM May 19, 2022Observed: 1111.76 ft at 5:45AM May 19, 2022Observed: 1111.74 ft at 6:00AM May 19, 2022Observed: 1111.75 ft at 6:15AM May 19, 2022Observed: 1111.74 ft at 6:30AM May 19, 2022Observed: 1111.74 ft at 6:45AM May 19, 2022Observed: 1111.73 ft at 7:00AM May 19, 2022Observed: 1111.72 ft at 7:15AM May 19, 2022Observed: 1111.71 ft at 7:30AM May 19, 2022Observed: 1111.7 ft at 7:45AM May 19, 2022Observed: 1111.7 ft at 8:00AM May 19, 2022Observed: 1111.7 ft at 8:15AM May 19, 2022Observed: 1111.69 ft at 8:30AM May 19, 2022Observed: 1111.7 ft at 8:45AM May 19, 2022Observed: 1111.69 ft at 9:00AM May 19, 2022Observed: 1111.69 ft at 9:15AM May 19, 2022Observed: 1111.68 ft at 9:30AM May 19, 2022Observed: 1111.67 ft at 9:45AM May 19, 2022Observed: 1111.68 ft at 10:00AM May 19, 2022Observed: 1111.66 ft at 10:15AM May 19, 2022Observed: 1111.65 ft at 10:30AM May 19, 2022Observed: 1111.64 ft at 10:45AM May 19, 2022Observed: 1111.65 ft at 11:00AM May 19, 2022Observed: 1111.66 ft at 11:15AM May 19, 2022Observed: 1111.66 ft at 11:30AM May 19, 2022Observed: 1111.65 ft at 11:45AM May 19, 2022Observed: 1111.65 ft at 12:00PM May 19, 2022Observed: 1111.64 ft at 12:15PM May 19, 2022Observed: 1111.63 ft at 12:30PM May 19, 2022Observed: 1111.63 ft at 12:45PM May 19, 2022Observed: 1111.63 ft at 1:00PM May 19, 2022Observed: 1111.63 ft at 1:15PM May 19, 2022Observed: 1111.63 ft at 1:30PM May 19, 2022Observed: 1111.6 ft at 1:45PM May 19, 2022Observed: 1111.62 ft at 2:00PM May 19, 2022Observed: 1111.61 ft at 2:15PM May 19, 2022Observed: 1111.6 ft at 2:30PM May 19, 2022Observed: 1111.59 ft at 2:45PM May 19, 2022Observed: 1111.59 ft at 3:00PM May 19, 2022Observed: 1111.59 ft at 3:15PM May 19, 2022Observed: 1111.59 ft at 3:30PM May 19, 2022Observed: 1111.57 ft at 3:45PM May 19, 2022Observed: 1111.57 ft at 4:00PM May 19, 2022Observed: 1111.57 ft at 4:15PM May 19, 2022Observed: 1111.56 ft at 4:30PM May 19, 2022Observed: 1111.54 ft at 4:45PM May 19, 2022Observed: 1111.55 ft at 5:00PM May 19, 2022Observed: 1111.52 ft at 5:30PM May 19, 2022Observed: 1111.53 ft at 5:45PM May 19, 2022Observed: 1111.54 ft at 6:00PM May 19, 2022Observed: 1111.51 ft at 6:15PM May 19, 2022Observed: 1111.51 ft at 6:30PM May 19, 2022Observed: 1111.5 ft at 6:45PM May 19, 2022Observed: 1111.5 ft at 7:00PM May 19, 2022Observed: 1111.5 ft at 7:15PM May 19, 2022Observed: 1111.48 ft at 7:30PM May 19, 2022Observed: 1111.46 ft at 7:45PM May 19, 2022Observed: 1111.45 ft at 8:00PM May 19, 2022Observed: 1111.45 ft at 8:15PM May 19, 2022Observed: 1111.42 ft at 8:30PM May 19, 2022Observed: 1111.4 ft at 8:45PM May 19, 2022Observed: 1111.37 ft at 9:00PM May 19, 2022Observed: 1111.38 ft at 9:15PM May 19, 2022Observed: 1111.38 ft at 9:30PM May 19, 2022Observed: 1111.38 ft at 9:45PM May 19, 2022Observed: 1111.39 ft at 10:00PM May 19, 2022Observed: 1111.36 ft at 10:15PM May 19, 2022Observed: 1111.36 ft at 10:30PM May 19, 2022Observed: 1111.37 ft at 10:45PM May 19, 2022Observed: 1111.37 ft at 11:00PM May 19, 2022Observed: 1111.37 ft at 11:15PM May 19, 2022Observed: 1111.36 ft at 11:30PM May 19, 2022Observed: 1111.33 ft at 11:45PM May 19, 2022Observed: 1111.32 ft at 12:00AM May 20, 2022Observed: 1111.33 ft at 12:15AM May 20, 2022Observed: 1111.33 ft at 12:30AM May 20, 2022Observed: 1111.32 ft at 12:45AM May 20, 2022Observed: 1111.34 ft at 1:00AM May 20, 2022Observed: 1111.33 ft at 1:15AM May 20, 2022Observed: 1111.34 ft at 1:30AM May 20, 2022Observed: 1111.32 ft at 1:45AM May 20, 2022Observed: 1111.32 ft at 2:00AM May 20, 2022Observed: 1111.33 ft at 2:15AM May 20, 2022Observed: 1111.32 ft at 2:30AM May 20, 2022Observed: 1111.31 ft at 2:45AM May 20, 2022Observed: 1111.32 ft at 3:00AM May 20, 2022Observed: 1111.32 ft at 3:15AM May 20, 2022Observed: 1111.3 ft at 3:30AM May 20, 2022Observed: 1111.3 ft at 3:45AM May 20, 2022Observed: 1111.3 ft at 4:00AM May 20, 2022Observed: 1111.3 ft at 4:15AM May 20, 2022Observed: 1111.29 ft at 4:30AM May 20, 2022Observed: 1111.29 ft at 4:45AM May 20, 2022Observed: 1111.28 ft at 5:00AM May 20, 2022Observed: 1111.27 ft at 5:15AM May 20, 2022Observed: 1111.27 ft at 5:30AM May 20, 2022Observed: 1111.29 ft at 5:45AM May 20, 2022Observed: 1111.26 ft at 6:00AM May 20, 2022Observed: 1111.27 ft at 6:15AM May 20, 2022Observed: 1111.27 ft at 6:30AM May 20, 2022Observed: 1111.25 ft at 6:45AM May 20, 2022Observed: 1111.25 ft at 7:00AM May 20, 2022Observed: 1111.24 ft at 7:15AM May 20, 2022Observed: 1111.25 ft at 7:30AM May 20, 2022Observed: 1111.24 ft at 7:45AM May 20, 2022Observed: 1111.24 ft at 8:00AM May 20, 2022Observed: 1111.23 ft at 8:15AM May 20, 2022Observed: 1111.22 ft at 8:30AM May 20, 2022Observed: 1111.22 ft at 8:45AM May 20, 2022Observed: 1111.22 ft at 9:00AM May 20, 2022Observed: 1111.22 ft at 9:15AM May 20, 2022Observed: 1111.21 ft at 9:30AM May 20, 2022Observed: 1111.22 ft at 9:45AM May 20, 2022Observed: 1111.21 ft at 10:00AM May 20, 2022Observed: 1111.2 ft at 10:15AM May 20, 2022Observed: 1111.18 ft at 10:30AM May 20, 2022Observed: 1111.19 ft at 10:45AM May 20, 2022Observed: 1111.18 ft at 11:00AM May 20, 2022Observed: 1111.19 ft at 11:15AM May 20, 2022Observed: 1111.18 ft at 11:30AM May 20, 2022Observed: 1111.17 ft at 11:45AM May 20, 2022Observed: 1111.17 ft at 12:00PM May 20, 2022Observed: 1111.14 ft at 12:15PM May 20, 2022Observed: 1111.15 ft at 12:30PM May 20, 2022Observed: 1111.15 ft at 12:45PM May 20, 2022Observed: 1111.14 ft at 1:00PM May 20, 2022Observed: 1111.15 ft at 1:15PM May 20, 2022Observed: 1111.14 ft at 1:30PM May 20, 2022Observed: 1111.13 ft at 1:45PM May 20, 2022Observed: 1111.12 ft at 2:00PM May 20, 2022Observed: 1111.12 ft at 2:15PM May 20, 2022Observed: 1111.12 ft at 2:30PM May 20, 2022Observed: 1111.12 ft at 2:45PM May 20, 2022Observed: 1111.1 ft at 3:00PM May 20, 2022Observed: 1111.12 ft at 3:15PM May 20, 2022Observed: 1111.12 ft at 3:30PM May 20, 2022Observed: 1111.1 ft at 3:45PM May 20, 2022Observed: 1111.11 ft at 4:00PM May 20, 2022Observed: 1111.09 ft at 4:15PM May 20, 2022Observed: 1111.09 ft at 4:30PM May 20, 2022Observed: 1111.08 ft at 4:45PM May 20, 2022Observed: 1111.09 ft at 5:00PM May 20, 2022Observed: 1111.06 ft at 6:15PM May 20, 2022Observed: 1111.07 ft at 6:30PM May 20, 2022Observed: 1111.07 ft at 6:45PM May 20, 2022Observed: 1111.05 ft at 7:00PM May 20, 2022Observed: 1111.03 ft at 7:15PM May 20, 2022Observed: 1111.04 ft at 7:30PM May 20, 2022Observed: 1111.03 ft at 7:45PM May 20, 2022Observed: 1111.02 ft at 8:00PM May 20, 2022Observed: 1111.02 ft at 8:15PM May 20, 2022Observed: 1111.03 ft at 8:30PM May 20, 2022Observed: 1111 ft at 8:45PM May 20, 2022Observed: 1110.99 ft at 9:00PM May 20, 2022Observed: 1110.99 ft at 12:15AM May 21, 2022Observed: 1110.99 ft at 12:30AM May 21, 2022Observed: 1110.99 ft at 12:45AM May 21, 2022Observed: 1110.97 ft at 1:00AM May 21, 2022Observed: 1110.98 ft at 1:15AM May 21, 2022Observed: 1110.97 ft at 1:30AM May 21, 2022Observed: 1110.97 ft at 1:45AM May 21, 2022Observed: 1110.97 ft at 2:00AM May 21, 2022Observed: 1110.97 ft at 2:15AM May 21, 2022Observed: 1110.96 ft at 2:30AM May 21, 2022Observed: 1110.96 ft at 2:45AM May 21, 2022Observed: 1110.97 ft at 3:00AM May 21, 2022Observed: 1110.96 ft at 3:15AM May 21, 2022Observed: 1110.95 ft at 3:30AM May 21, 2022Observed: 1110.95 ft at 3:45AM May 21, 2022Observed: 1110.95 ft at 4:00AM May 21, 2022Observed: 1110.94 ft at 4:15AM May 21, 2022Observed: 1110.95 ft at 4:30AM May 21, 2022Observed: 1110.95 ft at 4:45AM May 21, 2022Observed: 1110.94 ft at 5:00AM May 21, 2022Observed: 1110.95 ft at 5:15AM May 21, 2022Observed: 1110.94 ft at 5:30AM May 21, 2022Observed: 1110.92 ft at 5:45AM May 21, 2022Observed: 1110.93 ft at 6:00AM May 21, 2022Observed: 1110.92 ft at 6:15AM May 21, 2022Observed: 1110.92 ft at 6:30AM May 21, 2022Observed: 1110.92 ft at 6:45AM May 21, 2022Observed: 1110.92 ft at 7:00AM May 21, 2022Observed: 1110.92 ft at 7:15AM May 21, 2022Observed: 1110.91 ft at 7:30AM May 21, 2022Observed: 1110.91 ft at 7:45AM May 21, 2022Observed: 1110.9 ft at 8:00AM May 21, 2022Observed: 1110.9 ft at 8:15AM May 21, 2022Observed: 1110.89 ft at 8:30AM May 21, 2022Observed: 1110.9 ft at 8:45AM May 21, 2022Observed: 1110.9 ft at 9:00AM May 21, 2022Observed: 1110.88 ft at 9:15AM May 21, 2022Observed: 1110.88 ft at 9:30AM May 21, 2022Observed: 1110.9 ft at 9:45AM May 21, 2022Observed: 1110.9 ft at 10:00AM May 21, 2022Observed: 1110.88 ft at 10:15AM May 21, 2022Observed: 1110.89 ft at 10:30AM May 21, 2022Observed: 1110.9 ft at 10:45AM May 21, 2022Observed: 1110.87 ft at 11:00AM May 21, 2022Observed: 1110.88 ft at 11:15AM May 21, 2022Observed: 1110.87 ft at 11:30AM May 21, 2022Observed: 1110.89 ft at 11:45AM May 21, 2022Observed: 1110.86 ft at 12:00PM May 21, 2022Observed: 1110.86 ft at 12:15PM May 21, 2022Observed: 1110.86 ft at 12:30PM May 21, 2022Observed: 1110.85 ft at 12:45PM May 21, 2022Observed: 1110.85 ft at 1:00PM May 21, 2022Observed: 1110.83 ft at 1:15PM May 21, 2022Observed: 1110.83 ft at 1:30PM May 21, 2022Observed: 1110.84 ft at 1:45PM May 21, 2022Observed: 1110.86 ft at 2:00PM May 21, 2022Observed: 1110.82 ft at 2:15PM May 21, 2022Observed: 1110.85 ft at 2:30PM May 21, 2022Observed: 1110.83 ft at 2:45PM May 21, 2022Observed: 1110.85 ft at 3:00PM May 21, 2022Observed: 1110.83 ft at 3:15PM May 21, 2022Observed: 1110.83 ft at 3:30PM May 21, 2022Observed: 1110.82 ft at 3:45PM May 21, 2022Observed: 1110.81 ft at 4:00PM May 21, 2022Observed: 1110.82 ft at 4:15PM May 21, 2022Observed: 1110.8 ft at 4:30PM May 21, 2022Observed: 1110.8 ft at 4:45PM May 21, 2022Observed: 1110.81 ft at 5:00PM May 21, 2022Observed: 1110.82 ft at 5:15PM May 21, 2022Observed: 1110.82 ft at 5:30PM May 21, 2022Observed: 1110.81 ft at 5:45PM May 21, 2022Observed: 1110.82 ft at 6:00PM May 21, 2022Observed: 1110.8 ft at 6:15PM May 21, 2022Observed: 1110.81 ft at 6:30PM May 21, 2022Observed: 1110.77 ft at 6:45PM May 21, 2022Observed: 1110.8 ft at 7:00PM May 21, 2022Observed: 1110.81 ft at 7:15PM May 21, 2022Observed: 1110.81 ft at 7:30PM May 21, 2022Observed: 1110.79 ft at 7:45PM May 21, 2022Observed: 1110.79 ft at 8:00PM May 21, 2022Observed: 1110.79 ft at 8:15PM May 21, 2022Observed: 1110.79 ft at 8:30PM May 21, 2022Observed: 1110.79 ft at 8:45PM May 21, 2022Observed: 1110.8 ft at 9:00PM May 21, 2022Observed: 1110.79 ft at 9:15PM May 21, 2022Observed: 1110.78 ft at 9:30PM May 21, 2022Observed: 1110.78 ft at 9:45PM May 21, 2022Observed: 1110.78 ft at 10:00PM May 21, 2022Observed: 1110.78 ft at 10:15PM May 21, 2022Observed: 1110.78 ft at 10:30PM May 21, 2022Observed: 1110.77 ft at 10:45PM May 21, 2022Observed: 1110.76 ft at 11:00PM May 21, 2022Observed: 1110.77 ft at 11:15PM May 21, 2022Observed: 1110.76 ft at 11:30PM May 21, 2022Observed: 1110.76 ft at 11:45PM May 21, 2022Observed: 1110.76 ft at 12:00AM May 22, 2022Observed: 1110.75 ft at 12:15AM May 22, 2022Observed: 1110.75 ft at 12:30AM May 22, 2022Observed: 1110.75 ft at 12:45AM May 22, 2022Observed: 1110.75 ft at 1:00AM May 22, 2022Observed: 1110.75 ft at 1:15AM May 22, 2022Observed: 1110.74 ft at 1:30AM May 22, 2022Observed: 1110.74 ft at 1:45AM May 22, 2022Observed: 1110.74 ft at 2:00AM May 22, 2022Observed: 1110.73 ft at 3:15AM May 22, 2022Observed: 1110.73 ft at 3:30AM May 22, 2022Observed: 1110.73 ft at 3:45AM May 22, 2022Observed: 1110.72 ft at 4:00AM May 22, 2022Observed: 1110.71 ft at 4:15AM May 22, 2022Observed: 1110.72 ft at 4:30AM May 22, 2022Observed: 1110.72 ft at 4:45AM May 22, 2022Observed: 1110.71 ft at 5:00AM May 22, 2022Observed: 1110.71 ft at 5:15AM May 22, 2022Observed: 1110.71 ft at 5:30AM May 22, 2022Observed: 1110.7 ft at 5:45AM May 22, 2022Observed: 1110.69 ft at 6:00AM May 22, 2022Observed: 1110.7 ft at 6:15AM May 22, 2022Observed: 1110.7 ft at 6:30AM May 22, 2022Observed: 1110.7 ft at 6:45AM May 22, 2022Observed: 1110.69 ft at 7:00AM May 22, 2022Observed: 1110.68 ft at 7:15AM May 22, 2022Observed: 1110.69 ft at 7:30AM May 22, 2022Observed: 1110.69 ft at 7:45AM May 22, 2022Observed: 1110.69 ft at 8:00AM May 22, 2022Observed: 1110.69 ft at 8:15AM May 22, 2022Observed: 1110.69 ft at 8:30AM May 22, 2022Observed: 1110.69 ft at 8:45AM May 22, 2022Observed: 1110.69 ft at 9:00AM May 22, 2022Observed: 1110.69 ft at 9:15AM May 22, 2022Observed: 1110.7 ft at 9:30AM May 22, 2022Observed: 1110.68 ft at 9:45AM May 22, 2022Observed: 1110.69 ft at 10:00AM May 22, 2022Observed: 1110.68 ft at 10:15AM May 22, 2022Observed: 1110.68 ft at 10:30AM May 22, 2022Observed: 1110.68 ft at 10:45AM May 22, 2022Observed: 1110.67 ft at 11:00AM May 22, 2022Observed: 1110.68 ft at 11:15AM May 22, 2022Observed: 1110.67 ft at 11:30AM May 22, 2022Observed: 1110.67 ft at 11:45AM May 22, 2022Observed: 1110.67 ft at 12:00PM May 22, 2022Observed: 1110.66 ft at 12:15PM May 22, 2022Observed: 1110.65 ft at 12:30PM May 22, 2022Observed: 1110.66 ft at 12:45PM May 22, 2022Observed: 1110.65 ft at 1:00PM May 22, 2022Observed: 1110.65 ft at 1:15PM May 22, 2022Observed: 1110.66 ft at 1:30PM May 22, 2022Observed: 1110.62 ft at 1:45PM May 22, 2022Observed: 1110.63 ft at 2:00PM May 22, 2022Observed: 1110.63 ft at 2:15PM May 22, 2022Observed: 1110.63 ft at 2:30PM May 22, 2022Observed: 1110.63 ft at 2:45PM May 22, 2022Observed: 1110.64 ft at 3:00PM May 22, 2022Observed: 1110.61 ft at 3:15PM May 22, 2022Observed: 1110.63 ft at 3:30PM May 22, 2022Observed: 1110.61 ft at 3:45PM May 22, 2022Observed: 1110.62 ft at 4:00PM May 22, 2022Observed: 1110.63 ft at 4:15PM May 22, 2022Observed: 1110.63 ft at 4:30PM May 22, 2022Observed: 1110.62 ft at 4:45PM May 22, 2022Observed: 1110.61 ft at 5:00PM May 22, 2022Observed: 1110.61 ft at 5:15PM May 22, 2022Observed: 1110.62 ft at 5:30PM May 22, 2022Observed: 1110.62 ft at 5:45PM May 22, 2022Observed: 1110.61 ft at 6:00PM May 22, 2022Observed: 1110.62 ft at 6:15PM May 22, 2022Observed: 1110.6 ft at 6:30PM May 22, 2022Observed: 1110.6 ft at 6:45PM May 22, 2022Observed: 1110.59 ft at 7:00PM May 22, 2022Observed: 1110.6 ft at 7:15PM May 22, 2022Observed: 1110.59 ft at 7:30PM May 22, 2022Observed: 1110.57 ft at 7:45PM May 22, 2022Observed: 1110.59 ft at 8:00PM May 22, 2022Observed: 1110.58 ft at 8:15PM May 22, 2022Observed: 1110.57 ft at 8:30PM May 22, 2022Observed: 1110.57 ft at 8:45PM May 22, 2022Observed: 1110.57 ft at 9:00PM May 22, 2022Observed: 1110.57 ft at 9:15PM May 22, 2022Observed: 1110.57 ft at 9:30PM May 22, 2022Observed: 1110.57 ft at 9:45PM May 22, 2022Observed: 1110.56 ft at 10:00PM May 22, 2022Observed: 1110.56 ft at 10:15PM May 22, 2022Observed: 1110.55 ft at 10:30PM May 22, 2022Observed: 1110.55 ft at 10:45PM May 22, 2022Observed: 1110.55 ft at 11:00PM May 22, 2022Observed: 1110.55 ft at 11:15PM May 22, 2022Observed: 1110.55 ft at 11:30PM May 22, 2022Observed: 1110.54 ft at 11:45PM May 22, 2022Observed: 1110.55 ft at 12:00AM May 23, 2022Observed: 1110.54 ft at 12:15AM May 23, 2022Observed: 1110.53 ft at 12:30AM May 23, 2022Observed: 1110.52 ft at 12:45AM May 23, 2022Observed: 1110.52 ft at 1:00AM May 23, 2022Observed: 1110.52 ft at 1:15AM May 23, 2022Observed: 1110.52 ft at 1:30AM May 23, 2022Observed: 1110.52 ft at 1:45AM May 23, 2022Observed: 1110.52 ft at 2:00AM May 23, 2022Observed: 1110.51 ft at 2:15AM May 23, 2022Observed: 1110.51 ft at 2:30AM May 23, 2022Observed: 1110.5 ft at 2:45AM May 23, 2022Observed: 1110.5 ft at 3:00AM May 23, 2022Observed: 1110.5 ft at 3:15AM May 23, 2022Observed: 1110.49 ft at 3:30AM May 23, 2022Observed: 1110.49 ft at 3:45AM May 23, 2022Observed: 1110.49 ft at 4:00AM May 23, 2022Observed: 1110.49 ft at 4:15AM May 23, 2022Observed: 1110.49 ft at 4:30AM May 23, 2022Observed: 1110.49 ft at 4:45AM May 23, 2022Observed: 1110.47 ft at 5:00AM May 23, 2022Observed: 1110.47 ft at 5:15AM May 23, 2022Observed: 1110.47 ft at 5:30AM May 23, 2022Observed: 1110.48 ft at 5:45AM May 23, 2022Observed: 1110.47 ft at 6:00AM May 23, 2022Observed: 1110.47 ft at 6:15AM May 23, 2022Observed: 1110.45 ft at 6:30AM May 23, 2022Observed: 1110.46 ft at 6:45AM May 23, 2022Observed: 1110.46 ft at 7:00AM May 23, 2022Observed: 1110.46 ft at 7:15AM May 23, 2022Observed: 1110.45 ft at 7:30AM May 23, 2022Observed: 1110.46 ft at 7:45AM May 23, 2022Observed: 1110.46 ft at 8:00AM May 23, 2022Observed: 1110.46 ft at 8:15AM May 23, 2022Observed: 1110.44 ft at 8:30AM May 23, 2022Observed: 1110.46 ft at 8:45AM May 23, 2022Observed: 1110.45 ft at 9:00AM May 23, 2022Observed: 1110.45 ft at 9:15AM May 23, 2022Observed: 1110.43 ft at 9:30AM May 23, 2022Observed: 1110.43 ft at 9:45AM May 23, 2022Observed: 1110.43 ft at 10:00AM May 23, 2022Observed: 1110.43 ft at 10:15AM May 23, 2022Observed: 1110.43 ft at 10:30AM May 23, 2022Observed: 1110.45 ft at 10:45AM May 23, 2022Observed: 1110.43 ft at 11:00AM May 23, 2022Observed: 1110.44 ft at 11:15AM May 23, 2022Observed: 1110.44 ft at 11:30AM May 23, 2022Observed: 1110.44 ft at 11:45AM May 23, 2022Observed: 1110.44 ft at 12:00PM May 23, 2022Observed: 1110.44 ft at 12:15PM May 23, 2022Observed: 1110.44 ft at 12:30PM May 23, 2022Observed: 1110.44 ft at 12:45PM May 23, 2022Observed: 1110.44 ft at 1:00PM May 23, 2022Observed: 1110.42 ft at 1:15PM May 23, 2022Observed: 1110.42 ft at 1:30PM May 23, 2022Observed: 1110.41 ft at 1:45PM May 23, 2022Observed: 1110.41 ft at 2:00PM May 23, 2022Observed: 1110.4 ft at 2:15PM May 23, 2022Observed: 1110.39 ft at 2:30PM May 23, 2022Observed: 1110.38 ft at 2:45PM May 23, 2022Observed: 1110.38 ft at 3:00PM May 23, 2022Observed: 1110.38 ft at 3:15PM May 23, 2022Observed: 1110.37 ft at 3:30PM May 23, 2022Observed: 1110.37 ft at 3:45PM May 23, 2022Observed: 1110.37 ft at 4:00PM May 23, 2022Observed: 1110.36 ft at 4:15PM May 23, 2022Observed: 1110.36 ft at 4:30PM May 23, 2022Observed: 1110.36 ft at 4:45PM May 23, 2022Observed: 1110.35 ft at 5:00PM May 23, 2022Observed: 1110.35 ft at 5:15PM May 23, 2022Observed: 1110.35 ft at 5:30PM May 23, 2022Observed: 1110.35 ft at 5:45PM May 23, 2022Observed: 1110.35 ft at 6:00PM May 23, 2022Observed: 1110.34 ft at 6:15PM May 23, 2022Observed: 1110.33 ft at 6:30PM May 23, 2022Observed: 1110.35 ft at 6:45PM May 23, 2022Observed: 1110.32 ft at 7:00PM May 23, 2022Observed: 1110.33 ft at 7:15PM May 23, 2022Observed: 1110.33 ft at 7:30PM May 23, 2022Observed: 1110.32 ft at 7:45PM May 23, 2022Observed: 1110.32 ft at 8:00PM May 23, 2022Observed: 1110.32 ft at 8:15PM May 23, 2022Observed: 1110.3 ft at 8:30PM May 23, 2022Observed: 1110.3 ft at 8:45PM May 23, 2022Observed: 1110.3 ft at 9:00PM May 23, 2022Observed: 1110.3 ft at 9:15PM May 23, 2022Observed: 1110.3 ft at 9:30PM May 23, 2022Observed: 1110.3 ft at 9:45PM May 23, 2022Observed: 1110.29 ft at 10:00PM May 23, 2022Observed: 1110.29 ft at 10:15PM May 23, 2022Observed: 1110.28 ft at 10:30PM May 23, 2022Observed: 1110.28 ft at 10:45PM May 23, 2022Observed: 1110.28 ft at 11:00PM May 23, 2022Observed: 1110.26 ft at 11:15PM May 23, 2022Observed: 1110.27 ft at 11:30PM May 23, 2022Observed: 1110.26 ft at 11:45PM May 23, 2022Observed: 1110.26 ft at 12:00AM May 24, 2022Observed: 1110.26 ft at 12:15AM May 24, 2022Observed: 1110.26 ft at 12:30AM May 24, 2022Observed: 1110.26 ft at 12:45AM May 24, 2022Observed: 1110.25 ft at 1:00AM May 24, 2022Observed: 1110.25 ft at 1:15AM May 24, 2022Observed: 1110.25 ft at 1:30AM May 24, 2022Observed: 1110.24 ft at 1:45AM May 24, 2022Observed: 1110.24 ft at 2:00AM May 24, 2022Observed: 1110.24 ft at 2:15AM May 24, 2022Observed: 1110.23 ft at 2:30AM May 24, 2022Observed: 1110.23 ft at 2:45AM May 24, 2022Observed: 1110.23 ft at 3:00AM May 24, 2022Observed: 1110.22 ft at 3:15AM May 24, 2022Observed: 1110.22 ft at 3:30AM May 24, 2022Observed: 1110.2 ft at 3:45AM May 24, 2022Observed: 1110.21 ft at 4:00AM May 24, 2022Observed: 1110.21 ft at 4:15AM May 24, 2022Observed: 1110.19 ft at 4:30AM May 24, 2022Observed: 1110.19 ft at 4:45AM May 24, 2022Observed: 1110.21 ft at 5:00AM May 24, 2022Observed: 1110.2 ft at 5:15AM May 24, 2022Observed: 1110.19 ft at 5:30AM May 24, 2022Observed: 1110.18 ft at 5:45AM May 24, 2022Observed: 1110.19 ft at 6:00AM May 24, 2022Observed: 1110.18 ft at 6:15AM May 24, 2022Observed: 1110.18 ft at 6:30AM May 24, 2022Observed: 1110.17 ft at 6:45AM May 24, 2022Observed: 1110.17 ft at 7:00AM May 24, 2022Observed: 1110.18 ft at 7:15AM May 24, 2022Observed: 1110.16 ft at 7:30AM May 24, 2022Observed: 1110.16 ft at 7:45AM May 24, 2022Observed: 1110.16 ft at 8:00AM May 24, 2022Observed: 1110.16 ft at 8:15AM May 24, 2022Observed: 1110.16 ft at 8:30AM May 24, 2022Observed: 1110.16 ft at 8:45AM May 24, 2022Observed: 1110.16 ft at 9:00AM May 24, 2022Observed: 1110.15 ft at 9:15AM May 24, 2022Observed: 1110.16 ft at 9:30AM May 24, 2022Observed: 1110.16 ft at 9:45AM May 24, 2022Observed: 1110.16 ft at 10:00AM May 24, 2022Observed: 1110.16 ft at 10:15AM May 24, 2022Observed: 1110.15 ft at 10:30AM May 24, 2022Observed: 1110.14 ft at 10:45AM May 24, 2022Observed: 1110.14 ft at 11:00AM May 24, 2022Observed: 1110.14 ft at 11:15AM May 24, 2022Observed: 1110.15 ft at 11:30AM May 24, 2022Observed: 1110.13 ft at 11:45AM May 24, 2022Observed: 1110.13 ft at 12:00PM May 24, 2022Observed: 1110.14 ft at 12:15PM May 24, 2022Observed: 1110.13 ft at 12:30PM May 24, 2022Observed: 1110.13 ft at 12:45PM May 24, 2022Observed: 1110.12 ft at 1:00PM May 24, 2022Observed: 1110.12 ft at 1:15PM May 24, 2022Observed: 1110.11 ft at 1:30PM May 24, 2022Observed: 1110.12 ft at 1:45PM May 24, 2022Observed: 1110.12 ft at 2:00PM May 24, 2022Observed: 1110.12 ft at 2:15PM May 24, 2022Observed: 1110.1 ft at 2:30PM May 24, 2022Observed: 1110.1 ft at 2:45PM May 24, 2022Observed: 1110.1 ft at 3:00PM May 24, 2022Observed: 1110.09 ft at 3:15PM May 24, 2022Observed: 1110.1 ft at 3:30PM May 24, 2022Observed: 1110.09 ft at 3:45PM May 24, 2022Observed: 1110.08 ft at 4:00PM May 24, 2022Observed: 1110.07 ft at 4:15PM May 24, 2022Observed: 1110.07 ft at 4:30PM May 24, 2022Observed: 1110.07 ft at 4:45PM May 24, 2022Observed: 1110.06 ft at 5:00PM May 24, 2022Observed: 1110.07 ft at 5:15PM May 24, 2022Observed: 1110.06 ft at 5:30PM May 24, 2022Observed: 1110.05 ft at 5:45PM May 24, 2022Observed: 1110.05 ft at 6:00PM May 24, 2022Observed: 1110.05 ft at 6:15PM May 24, 2022Observed: 1110.04 ft at 6:30PM May 24, 2022Observed: 1110.04 ft at 6:45PM May 24, 2022Observed: 1110.02 ft at 7:00PM May 24, 2022Observed: 1110.02 ft at 7:15PM May 24, 2022Observed: 1110.03 ft at 7:30PM May 24, 2022Observed: 1110.03 ft at 7:45PM May 24, 2022Observed: 1110.02 ft at 8:00PM May 24, 2022Observed: 1110.01 ft at 8:15PM May 24, 2022Observed: 1110.02 ft at 8:30PM May 24, 2022Observed: 1110.01 ft at 8:45PM May 24, 2022Observed: 1110.01 ft at 9:00PM May 24, 2022Observed: 1110.01 ft at 9:15PM May 24, 2022Observed: 1110 ft at 9:30PM May 24, 2022Observed: 1110.01 ft at 9:45PM May 24, 2022Observed: 1109.99 ft at 10:00PM May 24, 2022Observed: 1110 ft at 10:15PM May 24, 2022Observed: 1110 ft at 10:30PM May 24, 2022Observed: 1110 ft at 10:45PM May 24, 2022Observed: 1109.98 ft at 11:00PM May 24, 2022Observed: 1109.99 ft at 11:15PM May 24, 2022Observed: 1109.98 ft at 11:30PM May 24, 2022Observed: 1109.99 ft at 11:45PM May 24, 2022Observed: 1109.98 ft at 12:00AM May 25, 2022Observed: 1109.99 ft at 12:15AM May 25, 2022Observed: 1109.99 ft at 12:30AM May 25, 2022Observed: 1109.97 ft at 12:45AM May 25, 2022Observed: 1109.98 ft at 1:00AM May 25, 2022Observed: 1109.98 ft at 1:15AM May 25, 2022Observed: 1109.97 ft at 1:30AM May 25, 2022Observed: 1109.96 ft at 1:45AM May 25, 2022Observed: 1109.97 ft at 2:00AM May 25, 2022Observed: 1109.97 ft at 2:15AM May 25, 2022Observed: 1109.97 ft at 2:30AM May 25, 2022Observed: 1109.97 ft at 2:45AM May 25, 2022Observed: 1109.96 ft at 3:00AM May 25, 2022Observed: 1109.96 ft at 3:15AM May 25, 2022Observed: 1109.96 ft at 3:30AM May 25, 2022Observed: 1109.96 ft at 3:45AM May 25, 2022Observed: 1109.95 ft at 4:00AM May 25, 2022Observed: 1109.95 ft at 4:15AM May 25, 2022Observed: 1109.94 ft at 4:30AM May 25, 2022Observed: 1109.95 ft at 4:45AM May 25, 2022Observed: 1109.95 ft at 5:00AM May 25, 2022Observed: 1109.94 ft at 5:15AM May 25, 2022Observed: 1109.93 ft at 5:30AM May 25, 2022Observed: 1109.93 ft at 5:45AM May 25, 2022Observed: 1109.94 ft at 6:00AM May 25, 2022Observed: 1109.94 ft at 6:15AM May 25, 2022Observed: 1109.94 ft at 6:30AM May 25, 2022Observed: 1109.93 ft at 6:45AM May 25, 2022Observed: 1109.93 ft at 7:00AM May 25, 2022Observed: 1109.93 ft at 7:15AM May 25, 2022Observed: 1109.93 ft at 7:30AM May 25, 2022Observed: 1109.92 ft at 7:45AM May 25, 2022Observed: 1109.93 ft at 8:00AM May 25, 2022Observed: 1109.92 ft at 8:15AM May 25, 2022Observed: 1109.92 ft at 8:30AM May 25, 2022Observed: 1109.91 ft at 8:45AM May 25, 2022Observed: 1109.9 ft at 9:00AM May 25, 2022Observed: 1109.91 ft at 9:15AM May 25, 2022Observed: 1109.91 ft at 9:30AM May 25, 2022Observed: 1109.91 ft at 9:45AM May 25, 2022Observed: 1109.9 ft at 10:00AM May 25, 2022Observed: 1109.9 ft at 10:15AM May 25, 2022Observed: 1109.89 ft at 10:30AM May 25, 2022Observed: 1109.88 ft at 10:45AM May 25, 2022Observed: 1109.9 ft at 11:00AM May 25, 2022Observed: 1109.88 ft at 11:15AM May 25, 2022Observed: 1109.89 ft at 11:30AM May 25, 2022Observed: 1109.88 ft at 11:45AM May 25, 2022Observed: 1109.88 ft at 12:00PM May 25, 2022Observed: 1109.88 ft at 12:15PM May 25, 2022Observed: 1109.88 ft at 12:30PM May 25, 2022Observed: 1109.88 ft at 12:45PM May 25, 2022Observed: 1109.87 ft at 1:00PM May 25, 2022Observed: 1109.88 ft at 1:15PM May 25, 2022Observed: 1109.87 ft at 1:30PM May 25, 2022Observed: 1109.87 ft at 1:45PM May 25, 2022Observed: 1109.86 ft at 2:00PM May 25, 2022Observed: 1109.87 ft at 2:15PM May 25, 2022Observed: 1109.86 ft at 2:30PM May 25, 2022Observed: 1109.87 ft at 2:45PM May 25, 2022Observed: 1109.86 ft at 3:00PM May 25, 2022Observed: 1109.86 ft at 3:15PM May 25, 2022Observed: 1109.84 ft at 3:30PM May 25, 2022Observed: 1109.85 ft at 3:45PM May 25, 2022Observed: 1109.85 ft at 4:00PM May 25, 2022Observed: 1109.85 ft at 4:15PM May 25, 2022Observed: 1109.85 ft at 4:30PM May 25, 2022Observed: 1109.84 ft at 4:45PM May 25, 2022Observed: 1109.85 ft at 5:00PM May 25, 2022Observed: 1109.84 ft at 5:15PM May 25, 2022Observed: 1109.84 ft at 5:30PM May 25, 2022Observed: 1109.83 ft at 5:45PM May 25, 2022Observed: 1109.83 ft at 6:00PM May 25, 2022Observed: 1109.83 ft at 6:15PM May 25, 2022Observed: 1109.83 ft at 6:30PM May 25, 2022Observed: 1109.82 ft at 6:45PM May 25, 2022Observed: 1109.81 ft at 7:00PM May 25, 2022Observed: 1109.81 ft at 7:15PM May 25, 2022Observed: 1109.82 ft at 7:30PM May 25, 2022Observed: 1109.81 ft at 7:45PM May 25, 2022Observed: 1109.81 ft at 8:00PM May 25, 2022Observed: 1109.8 ft at 8:15PM May 25, 2022Observed: 1109.8 ft at 8:30PM May 25, 2022Observed: 1109.8 ft at 8:45PM May 25, 2022Observed: 1109.81 ft at 9:00PM May 25, 2022Observed: 1109.8 ft at 9:15PM May 25, 2022Observed: 1109.79 ft at 9:30PM May 25, 2022Observed: 1109.79 ft at 9:45PM May 25, 2022Observed: 1109.8 ft at 10:00PM May 25, 2022Observed: 1109.78 ft at 10:15PM May 25, 2022Observed: 1109.78 ft at 10:30PM May 25, 2022Observed: 1109.78 ft at 10:45PM May 25, 2022Observed: 1109.78 ft at 11:00PM May 25, 2022Observed: 1109.78 ft at 11:15PM May 25, 2022Observed: 1109.78 ft at 11:30PM May 25, 2022Observed: 1109.78 ft at 11:45PM May 25, 2022Observed: 1109.77 ft at 12:00AM May 26, 2022Observed: 1109.77 ft at 12:15AM May 26, 2022Observed: 1109.77 ft at 12:30AM May 26, 2022Observed: 1109.77 ft at 12:45AM May 26, 2022Observed: 1109.77 ft at 1:00AM May 26, 2022Observed: 1109.76 ft at 1:15AM May 26, 2022Observed: 1109.76 ft at 1:30AM May 26, 2022Observed: 1109.74 ft at 1:45AM May 26, 2022Observed: 1109.75 ft at 2:00AM May 26, 2022Observed: 1109.75 ft at 2:15AM May 26, 2022Observed: 1109.75 ft at 2:30AM May 26, 2022Observed: 1109.74 ft at 2:45AM May 26, 2022Observed: 1109.74 ft at 3:00AM May 26, 2022Observed: 1109.74 ft at 3:15AM May 26, 2022Observed: 1109.74 ft at 3:30AM May 26, 2022Observed: 1109.74 ft at 3:45AM May 26, 2022Observed: 1109.72 ft at 4:00AM May 26, 2022Observed: 1109.73 ft at 4:15AM May 26, 2022Observed: 1109.72 ft at 4:30AM May 26, 2022Observed: 1109.72 ft at 4:45AM May 26, 2022Observed: 1109.7 ft at 5:00AM May 26, 2022Observed: 1109.71 ft at 5:15AM May 26, 2022Observed: 1109.7 ft at 5:30AM May 26, 2022Observed: 1109.7 ft at 5:45AM May 26, 2022Observed: 1109.69 ft at 6:00AM May 26, 2022Observed: 1109.68 ft at 6:15AM May 26, 2022Observed: 1109.68 ft at 6:30AM May 26, 2022Observed: 1109.68 ft at 6:45AM May 26, 2022Observed: 1109.68 ft at 7:00AM May 26, 2022Observed: 1109.67 ft at 7:15AM May 26, 2022Observed: 1109.68 ft at 7:30AM May 26, 2022Observed: 1109.66 ft at 7:45AM May 26, 2022Observed: 1109.65 ft at 8:00AM May 26, 2022Observed: 1109.65 ft at 8:15AM May 26, 2022Observed: 1109.64 ft at 8:30AM May 26, 2022Observed: 1109.64 ft at 8:45AM May 26, 2022Observed: 1109.62 ft at 9:00AM May 26, 2022Observed: 1109.62 ft at 9:15AM May 26, 2022Observed: 1109.61 ft at 9:30AM May 26, 2022Observed: 1109.6 ft at 9:45AM May 26, 2022Observed: 1109.59 ft at 10:00AM May 26, 2022Observed: 1109.59 ft at 10:15AM May 26, 2022Observed: 1109.58 ft at 10:30AM May 26, 2022Observed: 1109.58 ft at 10:45AM May 26, 2022Observed: 1109.57 ft at 11:00AM May 26, 2022Observed: 1109.57 ft at 11:15AM May 26, 2022Observed: 1109.56 ft at 11:30AM May 26, 2022Observed: 1109.56 ft at 11:45AM May 26, 2022Observed: 1109.54 ft at 12:00PM May 26, 2022Observed: 1109.56 ft at 12:15PM May 26, 2022Observed: 1109.56 ft at 12:30PM May 26, 2022Observed: 1109.56 ft at 12:45PM May 26, 2022Observed: 1109.54 ft at 1:00PM May 26, 2022Observed: 1109.54 ft at 1:15PM May 26, 2022Observed: 1109.55 ft at 1:30PM May 26, 2022Observed: 1109.53 ft at 1:45PM May 26, 2022Observed: 1109.52 ft at 2:00PM May 26, 2022Observed: 1109.53 ft at 2:15PM May 26, 2022Observed: 1109.53 ft at 2:30PM May 26, 2022Observed: 1109.51 ft at 2:45PM May 26, 2022Observed: 1109.51 ft at 3:00PM May 26, 2022Observed: 1109.51 ft at 3:15PM May 26, 2022Observed: 1109.5 ft at 3:30PM May 26, 2022Observed: 1109.51 ft at 3:45PM May 26, 2022Observed: 1109.51 ft at 4:00PM May 26, 2022Observed: 1109.5 ft at 4:15PM May 26, 2022Observed: 1109.48 ft at 4:30PM May 26, 2022Observed: 1109.5 ft at 4:45PM May 26, 2022Observed: 1109.49 ft at 5:00PM May 26, 2022Observed: 1109.47 ft at 5:15PM May 26, 2022Observed: 1109.48 ft at 5:30PM May 26, 2022Observed: 1109.49 ft at 5:45PM May 26, 2022Observed: 1109.49 ft at 6:00PM May 26, 2022Observed: 1109.49 ft at 6:15PM May 26, 2022Observed: 1109.49 ft at 6:30PM May 26, 2022Observed: 1109.49 ft at 6:45PM May 26, 2022Observed: 1109.47 ft at 7:00PM May 26, 2022Observed: 1109.47 ft at 7:15PM May 26, 2022Observed: 1109.48 ft at 7:30PM May 26, 2022Observed: 1109.48 ft at 7:45PM May 26, 2022Observed: 1109.47 ft at 8:00PM May 26, 2022Observed: 1109.47 ft at 8:15PM May 26, 2022Observed: 1109.48 ft at 8:30PM May 26, 2022Observed: 1109.48 ft at 8:45PM May 26, 2022Observed: 1109.47 ft at 9:00PM May 26, 2022Observed: 1109.49 ft at 9:15PM May 26, 2022Observed: 1109.49 ft at 9:30PM May 26, 2022Observed: 1109.5 ft at 9:45PM May 26, 2022Observed: 1109.5 ft at 10:00PM May 26, 2022Observed: 1109.51 ft at 10:15PM May 26, 2022Observed: 1109.5 ft at 10:30PM May 26, 2022Observed: 1109.51 ft at 10:45PM May 26, 2022Observed: 1109.51 ft at 11:00PM May 26, 2022Observed: 1109.52 ft at 11:15PM May 26, 2022Observed: 1109.52 ft at 11:30PM May 26, 2022Observed: 1109.52 ft at 11:45PM May 26, 2022Observed: 1109.53 ft at 12:00AM May 27, 2022Observed: 1109.55 ft at 12:15AM May 27, 2022Observed: 1109.53 ft at 12:30AM May 27, 2022Observed: 1109.54 ft at 12:45AM May 27, 2022Observed: 1109.54 ft at 1:00AM May 27, 2022Observed: 1109.56 ft at 1:15AM May 27, 2022Observed: 1109.55 ft at 1:30AM May 27, 2022Observed: 1109.56 ft at 1:45AM May 27, 2022Observed: 1109.57 ft at 2:00AM May 27, 2022Observed: 1109.56 ft at 2:15AM May 27, 2022Observed: 1109.56 ft at 2:30AM May 27, 2022Observed: 1109.57 ft at 2:45AM May 27, 2022Observed: 1109.57 ft at 3:00AM May 27, 2022Observed: 1109.58 ft at 3:15AM May 27, 2022Observed: 1109.56 ft at 3:30AM May 27, 2022Observed: 1109.57 ft at 3:45AM May 27, 2022Observed: 1109.56 ft at 4:00AM May 27, 2022Observed: 1109.58 ft at 4:15AM May 27, 2022Observed: 1109.57 ft at 4:30AM May 27, 2022Observed: 1109.57 ft at 4:45AM May 27, 2022Observed: 1109.58 ft at 5:00AM May 27, 2022Observed: 1109.57 ft at 5:15AM May 27, 2022Observed: 1109.58 ft at 5:30AM May 27, 2022Observed: 1109.58 ft at 5:45AM May 27, 2022Observed: 1109.58 ft at 6:00AM May 27, 2022Observed: 1109.57 ft at 6:15AM May 27, 2022Observed: 1109.57 ft at 6:30AM May 27, 2022Observed: 1109.56 ft at 6:45AM May 27, 2022Observed: 1109.55 ft at 7:00AM May 27, 2022Observed: 1109.56 ft at 7:15AM May 27, 2022Observed: 1109.55 ft at 7:30AM May 27, 2022Observed: 1109.54 ft at 7:45AM May 27, 2022Observed: 1109.54 ft at 8:00AM May 27, 2022Observed: 1109.53 ft at 8:15AM May 27, 2022Observed: 1109.55 ft at 8:30AM May 27, 2022Observed: 1109.53 ft at 8:45AM May 27, 2022Observed: 1109.51 ft at 9:00AM May 27, 2022Observed: 1109.52 ft at 9:15AM May 27, 2022Observed: 1109.51 ft at 9:30AM May 27, 2022Observed: 1109.51 ft at 9:45AM May 27, 2022Observed: 1109.49 ft at 10:00AM May 27, 2022Observed: 1109.5 ft at 10:15AM May 27, 2022Observed: 1109.5 ft at 10:30AM May 27, 2022Observed: 1109.47 ft at 10:45AM May 27, 2022Observed: 1109.48 ft at 11:00AM May 27, 2022Observed: 1109.46 ft at 11:15AM May 27, 2022Observed: 1109.46 ft at 11:30AM May 27, 2022Observed: 1109.45 ft at 11:45AM May 27, 2022Observed: 1109.44 ft at 12:00PM May 27, 2022Observed: 1109.43 ft at 12:15PM May 27, 2022Observed: 1109.44 ft at 12:30PM May 27, 2022Observed: 1109.42 ft at 12:45PM May 27, 2022Observed: 1109.42 ft at 1:00PM May 27, 2022Observed: 1109.41 ft at 1:15PM May 27, 2022Observed: 1109.4 ft at 1:30PM May 27, 2022Observed: 1109.4 ft at 1:45PM May 27, 2022Observed: 1109.41 ft at 2:00PM May 27, 2022South Dakota DANRBSRS2(plotting HGIRG) Graph Created (2:50PM May 27, 2022)ObservedLatest observed value: 1109.41 ft at 2:00 PM CDT 27-May-2022. Flood Stage is 1117 ft
About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: No forecasts are available for this location

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

Return to Area Map
Upstream Gauge - at Sioux Falls N. Cliff Avenue Upstream Gauge Downstream Gauge Downstream Gauge - above Hawarden
Flood Categories (in feet)
Major Flood Stage: 21
Moderate Flood Stage: 19
Flood Stage: 16
Action Stage: 14
Low Stage (in feet): -9999

Historic Crests
(1) 21.55 ft on 05/08/1993
(2) 20.19 ft on 04/24/2001
(3) 18.90 ft on 03/28/1997
(4) 18.70 ft on 09/23/1986
(5) 16.00 ft on 03/16/2010
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 16.00 ft on 03/16/2010
(2) 20.19 ft on 04/24/2001
(3) 18.90 ft on 03/28/1997
(4) 11.50 ft on 03/15/1995
(5) 14.30 ft on 06/14/1994
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
KML Image
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
26 Many trees and fences in the flood plain will be seriously damaged.
19 Almost all of the crop and pasture land in the 1/2 mile wide flood plain is inundated.
16 Flooding begins to affect a considerable amount of crop and pasture land.
Photos
(1) Upstream View
(2) Downstream View
About This Location Collapse

Latitude: 43.389444° N, Longitude: 96.523056° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 16 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)		 Elevation
(gauge height = flood stage)		 Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other 1238.2 ft 1254.2 ft  
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
Ask Questions/Webmaster
Page last modified: 2-Nov-2020 7:29 PM 		Disclaimer
Credits
Glossary 		Privacy Policy
About Us
Career Opportunities