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 above Hawarden Stage (ft)Flow (cfs)Highest Observation: 13.14 ft at 7:00PM Aug 01, 2020Highest Observation: 13.14 ft at 7:02PM Aug 01, 2020Highest Observation: 13.14 ft at 7:15PM Aug 01, 2020Highest Observation: 13.14 ft at 7:17PM Aug 01, 2020Highest Observation: 13.14 ft at 7:30PM Aug 01, 2020Highest Observation: 13.14 ft at 7:45PM Aug 01, 2020Observed: 13.13 ft at 8:00PM Aug 01, 2020Highest Observation: 13.14 ft at 8:15PM Aug 01, 2020Observed: 13.13 ft at 8:30PM Aug 01, 2020Observed: 13.13 ft at 8:45PM Aug 01, 2020Observed: 13.13 ft at 9:00PM Aug 01, 2020Observed: 13.13 ft at 9:15PM Aug 01, 2020Observed: 13.13 ft at 9:30PM Aug 01, 2020Observed: 13.13 ft at 9:45PM Aug 01, 2020Observed: 13.13 ft at 10:00PM Aug 01, 2020Observed: 13.12 ft at 10:15PM Aug 01, 2020Observed: 13.12 ft at 10:30PM Aug 01, 2020Observed: 13.12 ft at 10:45PM Aug 01, 2020Observed: 13.12 ft at 11:00PM Aug 01, 2020Observed: 13.12 ft at 11:15PM Aug 01, 2020Observed: 13.11 ft at 11:30PM Aug 01, 2020Observed: 13.11 ft at 11:45PM Aug 01, 2020Observed: 13.12 ft at 12:00AM Aug 02, 2020Observed: 13.11 ft at 12:15AM Aug 02, 2020Observed: 13.1 ft at 12:30AM Aug 02, 2020Observed: 13.12 ft at 12:45AM Aug 02, 2020Observed: 13.1 ft at 1:00AM Aug 02, 2020Observed: 13.11 ft at 1:15AM Aug 02, 2020Observed: 13.09 ft at 1:30AM Aug 02, 2020Observed: 13.09 ft at 1:45AM Aug 02, 2020Observed: 13.09 ft at 2:00AM Aug 02, 2020Observed: 13.09 ft at 2:15AM Aug 02, 2020Observed: 13.09 ft at 2:30AM Aug 02, 2020Observed: 13.08 ft at 2:45AM Aug 02, 2020Observed: 13.08 ft at 2:47AM Aug 02, 2020Observed: 13.09 ft at 3:00AM Aug 02, 2020Observed: 13.09 ft at 3:02AM Aug 02, 2020Observed: 13.08 ft at 3:15AM Aug 02, 2020Observed: 13.08 ft at 3:17AM Aug 02, 2020Observed: 13.08 ft at 3:30AM Aug 02, 2020Observed: 13.08 ft at 3:45AM Aug 02, 2020Observed: 13.07 ft at 4:00AM Aug 02, 2020Observed: 13.06 ft at 4:15AM Aug 02, 2020Observed: 13.06 ft at 4:30AM Aug 02, 2020Observed: 13.06 ft at 4:45AM Aug 02, 2020Observed: 13.05 ft at 5:00AM Aug 02, 2020Observed: 13.05 ft at 5:15AM Aug 02, 2020Observed: 13.05 ft at 5:30AM Aug 02, 2020Observed: 13.04 ft at 5:45AM Aug 02, 2020Observed: 13.04 ft at 6:00AM Aug 02, 2020Observed: 13.03 ft at 6:15AM Aug 02, 2020Observed: 13.02 ft at 6:30AM Aug 02, 2020Observed: 13.02 ft at 6:45AM Aug 02, 2020Observed: 13.02 ft at 7:00AM Aug 02, 2020Observed: 13.02 ft at 7:15AM Aug 02, 2020Observed: 13.01 ft at 7:30AM Aug 02, 2020Observed: 12.99 ft at 7:45AM Aug 02, 2020Observed: 13 ft at 8:00AM Aug 02, 2020Observed: 12.99 ft at 8:15AM Aug 02, 2020Observed: 12.99 ft at 8:30AM Aug 02, 2020Observed: 12.98 ft at 8:45AM Aug 02, 2020Observed: 12.98 ft at 9:00AM Aug 02, 2020Observed: 12.97 ft at 9:15AM Aug 02, 2020Observed: 12.96 ft at 9:30AM Aug 02, 2020Observed: 12.96 ft at 9:45AM Aug 02, 2020Observed: 12.96 ft at 10:00AM Aug 02, 2020Observed: 12.96 ft at 10:15AM Aug 02, 2020Observed: 12.94 ft at 10:30AM Aug 02, 2020Observed: 12.94 ft at 10:45AM Aug 02, 2020Observed: 12.94 ft at 10:47AM Aug 02, 2020Observed: 12.94 ft at 11:00AM Aug 02, 2020Observed: 12.94 ft at 11:02AM Aug 02, 2020Observed: 12.94 ft at 11:15AM Aug 02, 2020Observed: 12.94 ft at 11:17AM Aug 02, 2020Observed: 12.93 ft at 11:30AM Aug 02, 2020Observed: 12.94 ft at 11:45AM Aug 02, 2020Observed: 12.93 ft at 12:00PM Aug 02, 2020Observed: 12.92 ft at 12:15PM Aug 02, 2020Observed: 12.92 ft at 12:30PM Aug 02, 2020Observed: 12.92 ft at 12:45PM Aug 02, 2020Observed: 12.92 ft at 1:00PM Aug 02, 2020Observed: 12.92 ft at 1:15PM Aug 02, 2020Observed: 12.92 ft at 1:30PM Aug 02, 2020Observed: 12.92 ft at 1:45PM Aug 02, 2020Observed: 12.91 ft at 2:00PM Aug 02, 2020Observed: 12.92 ft at 2:15PM Aug 02, 2020Observed: 12.92 ft at 2:30PM Aug 02, 2020Observed: 12.91 ft at 2:45PM Aug 02, 2020Observed: 12.91 ft at 3:00PM Aug 02, 2020Observed: 12.92 ft at 3:15PM Aug 02, 2020Observed: 12.91 ft at 3:30PM Aug 02, 2020Observed: 12.91 ft at 3:45PM Aug 02, 2020Observed: 12.92 ft at 4:00PM Aug 02, 2020Observed: 12.9 ft at 4:15PM Aug 02, 2020Observed: 12.91 ft at 4:30PM Aug 02, 2020Observed: 12.92 ft at 4:45PM Aug 02, 2020Observed: 12.92 ft at 5:00PM Aug 02, 2020Observed: 12.92 ft at 5:15PM Aug 02, 2020Observed: 12.92 ft at 5:30PM Aug 02, 2020Observed: 12.93 ft at 5:45PM Aug 02, 2020Observed: 12.92 ft at 6:00PM Aug 02, 2020Observed: 12.93 ft at 6:15PM Aug 02, 2020Observed: 12.93 ft at 6:30PM Aug 02, 2020Observed: 12.93 ft at 6:45PM Aug 02, 2020Observed: 12.93 ft at 6:46PM Aug 02, 2020Observed: 12.93 ft at 7:00PM Aug 02, 2020Observed: 12.93 ft at 7:01PM Aug 02, 2020Observed: 12.93 ft at 7:15PM Aug 02, 2020Observed: 12.93 ft at 7:16PM Aug 02, 2020Observed: 12.93 ft at 7:30PM Aug 02, 2020Observed: 12.93 ft at 7:45PM Aug 02, 2020Observed: 12.93 ft at 8:00PM Aug 02, 2020Observed: 12.93 ft at 8:15PM Aug 02, 2020Observed: 12.93 ft at 8:30PM Aug 02, 2020Observed: 12.93 ft at 8:45PM Aug 02, 2020Observed: 12.94 ft at 9:00PM Aug 02, 2020Observed: 12.95 ft at 9:15PM Aug 02, 2020Observed: 12.94 ft at 9:30PM Aug 02, 2020Observed: 12.94 ft at 9:45PM Aug 02, 2020Observed: 12.94 ft at 10:00PM Aug 02, 2020Observed: 12.94 ft at 10:15PM Aug 02, 2020Observed: 12.94 ft at 10:30PM Aug 02, 2020Observed: 12.94 ft at 10:45PM Aug 02, 2020Observed: 12.94 ft at 11:00PM Aug 02, 2020Observed: 12.94 ft at 11:15PM Aug 02, 2020Observed: 12.94 ft at 11:30PM Aug 02, 2020Observed: 12.94 ft at 11:45PM Aug 02, 2020Observed: 12.94 ft at 12:00AM Aug 03, 2020Observed: 12.95 ft at 12:15AM Aug 03, 2020Observed: 12.94 ft at 12:30AM Aug 03, 2020Observed: 12.95 ft at 12:45AM Aug 03, 2020Observed: 12.94 ft at 1:00AM Aug 03, 2020Observed: 12.96 ft at 1:15AM Aug 03, 2020Observed: 12.95 ft at 1:30AM Aug 03, 2020Observed: 12.95 ft at 1:45AM Aug 03, 2020Observed: 12.95 ft at 2:00AM Aug 03, 2020Observed: 12.95 ft at 2:15AM Aug 03, 2020Observed: 12.95 ft at 2:30AM Aug 03, 2020Observed: 12.94 ft at 2:45AM Aug 03, 2020Observed: 12.94 ft at 2:46AM Aug 03, 2020Observed: 12.95 ft at 3:00AM Aug 03, 2020Observed: 12.95 ft at 3:01AM Aug 03, 2020Observed: 12.95 ft at 3:15AM Aug 03, 2020Observed: 12.95 ft at 3:16AM Aug 03, 2020Observed: 12.95 ft at 3:30AM Aug 03, 2020Observed: 12.94 ft at 3:45AM Aug 03, 2020Observed: 12.95 ft at 4:00AM Aug 03, 2020Observed: 12.94 ft at 4:15AM Aug 03, 2020Observed: 12.94 ft at 4:30AM Aug 03, 2020Observed: 12.94 ft at 4:45AM Aug 03, 2020Observed: 12.94 ft at 5:00AM Aug 03, 2020Observed: 12.95 ft at 5:15AM Aug 03, 2020Observed: 12.94 ft at 5:30AM Aug 03, 2020Observed: 12.94 ft at 5:45AM Aug 03, 2020Observed: 12.94 ft at 6:00AM Aug 03, 2020Observed: 12.94 ft at 6:15AM Aug 03, 2020Observed: 12.94 ft at 6:30AM Aug 03, 2020Observed: 12.93 ft at 6:45AM Aug 03, 2020Observed: 12.94 ft at 7:00AM Aug 03, 2020Observed: 12.94 ft at 7:15AM Aug 03, 2020Observed: 12.93 ft at 7:30AM Aug 03, 2020Observed: 12.93 ft at 7:45AM Aug 03, 2020Observed: 12.93 ft at 8:00AM Aug 03, 2020Observed: 12.93 ft at 8:15AM Aug 03, 2020Observed: 12.93 ft at 8:30AM Aug 03, 2020Observed: 12.93 ft at 8:45AM Aug 03, 2020Observed: 12.93 ft at 9:00AM Aug 03, 2020Observed: 12.93 ft at 9:15AM Aug 03, 2020Observed: 12.93 ft at 9:30AM Aug 03, 2020Observed: 12.93 ft at 9:45AM Aug 03, 2020Observed: 12.92 ft at 10:00AM Aug 03, 2020Observed: 12.92 ft at 10:15AM Aug 03, 2020Observed: 12.92 ft at 10:30AM Aug 03, 2020Observed: 12.92 ft at 11:02AM Aug 03, 2020Observed: 12.92 ft at 11:17AM Aug 03, 2020Observed: 12.93 ft at 11:32AM Aug 03, 2020Observed: 12.93 ft at 11:45AM Aug 03, 2020Observed: 12.92 ft at 12:00PM Aug 03, 2020Observed: 12.92 ft at 12:15PM Aug 03, 2020Observed: 12.92 ft at 12:30PM Aug 03, 2020Observed: 12.91 ft at 12:45PM Aug 03, 2020Observed: 12.92 ft at 1:00PM Aug 03, 2020Observed: 12.91 ft at 1:15PM Aug 03, 2020Observed: 12.91 ft at 1:30PM Aug 03, 2020Observed: 12.91 ft at 1:45PM Aug 03, 2020Observed: 12.91 ft at 2:00PM Aug 03, 2020Observed: 12.91 ft at 2:15PM Aug 03, 2020Observed: 12.91 ft at 2:30PM Aug 03, 2020Observed: 12.91 ft at 2:45PM Aug 03, 2020Observed: 12.9 ft at 3:00PM Aug 03, 2020Observed: 12.9 ft at 3:15PM Aug 03, 2020Observed: 12.9 ft at 3:30PM Aug 03, 2020Observed: 12.9 ft at 3:45PM Aug 03, 2020Observed: 12.9 ft at 4:00PM Aug 03, 2020Observed: 12.89 ft at 4:15PM Aug 03, 2020Observed: 12.9 ft at 4:30PM Aug 03, 2020Observed: 12.9 ft at 4:45PM Aug 03, 2020Observed: 12.89 ft at 5:00PM Aug 03, 2020Observed: 12.89 ft at 5:15PM Aug 03, 2020Observed: 12.89 ft at 5:30PM Aug 03, 2020Observed: 12.9 ft at 5:45PM Aug 03, 2020Observed: 12.89 ft at 6:00PM Aug 03, 2020Observed: 12.89 ft at 6:15PM Aug 03, 2020Observed: 12.89 ft at 6:30PM Aug 03, 2020Observed: 12.89 ft at 6:45PM Aug 03, 2020Observed: 12.89 ft at 7:00PM Aug 03, 2020Observed: 12.89 ft at 7:02PM Aug 03, 2020Observed: 12.88 ft at 7:15PM Aug 03, 2020Observed: 12.88 ft at 7:17PM Aug 03, 2020Observed: 12.87 ft at 7:30PM Aug 03, 2020Observed: 12.87 ft at 7:32PM Aug 03, 2020Observed: 12.88 ft at 7:45PM Aug 03, 2020Observed: 12.87 ft at 8:00PM Aug 03, 2020Observed: 12.87 ft at 8:15PM Aug 03, 2020Observed: 12.87 ft at 8:30PM Aug 03, 2020Observed: 12.87 ft at 8:45PM Aug 03, 2020Observed: 12.88 ft at 9:00PM Aug 03, 2020Observed: 12.88 ft at 9:15PM Aug 03, 2020Observed: 12.89 ft at 9:30PM Aug 03, 2020Observed: 12.88 ft at 9:45PM Aug 03, 2020Observed: 12.88 ft at 10:00PM Aug 03, 2020Observed: 12.89 ft at 10:15PM Aug 03, 2020Observed: 12.88 ft at 10:30PM Aug 03, 2020Observed: 12.88 ft at 10:45PM Aug 03, 2020Observed: 12.88 ft at 11:00PM Aug 03, 2020Observed: 12.88 ft at 11:15PM Aug 03, 2020Observed: 12.88 ft at 11:30PM Aug 03, 2020Observed: 12.88 ft at 11:45PM Aug 03, 2020Observed: 12.88 ft at 12:00AM Aug 04, 2020Observed: 12.88 ft at 12:15AM Aug 04, 2020Observed: 12.87 ft at 12:30AM Aug 04, 2020Observed: 12.88 ft at 12:45AM Aug 04, 2020Observed: 12.87 ft at 1:00AM Aug 04, 2020Observed: 12.88 ft at 1:15AM Aug 04, 2020Observed: 12.88 ft at 1:30AM Aug 04, 2020Observed: 12.87 ft at 1:45AM Aug 04, 2020Observed: 12.86 ft at 2:00AM Aug 04, 2020Observed: 12.87 ft at 2:15AM Aug 04, 2020Observed: 12.87 ft at 2:30AM Aug 04, 2020Observed: 12.87 ft at 2:45AM Aug 04, 2020Observed: 12.89 ft at 3:00AM Aug 04, 2020Observed: 12.89 ft at 3:01AM Aug 04, 2020Observed: 12.89 ft at 3:15AM Aug 04, 2020Observed: 12.89 ft at 3:16AM Aug 04, 2020Observed: 12.89 ft at 3:30AM Aug 04, 2020Observed: 12.89 ft at 3:31AM Aug 04, 2020Observed: 12.9 ft at 3:45AM Aug 04, 2020Observed: 12.89 ft at 4:00AM Aug 04, 2020Observed: 12.89 ft at 4:15AM Aug 04, 2020Observed: 12.9 ft at 4:30AM Aug 04, 2020Observed: 12.89 ft at 4:45AM Aug 04, 2020Observed: 12.9 ft at 5:00AM Aug 04, 2020Observed: 12.9 ft at 5:15AM Aug 04, 2020Observed: 12.89 ft at 5:30AM Aug 04, 2020Observed: 12.89 ft at 5:45AM Aug 04, 2020Observed: 12.89 ft at 6:00AM Aug 04, 2020Observed: 12.89 ft at 6:15AM Aug 04, 2020Observed: 12.89 ft at 6:30AM Aug 04, 2020Observed: 12.88 ft at 6:45AM Aug 04, 2020Observed: 12.88 ft at 7:00AM Aug 04, 2020Observed: 12.88 ft at 7:15AM Aug 04, 2020Observed: 12.88 ft at 7:30AM Aug 04, 2020Observed: 12.88 ft at 7:45AM Aug 04, 2020Observed: 12.88 ft at 8:00AM Aug 04, 2020Observed: 12.88 ft at 8:15AM Aug 04, 2020Observed: 12.87 ft at 8:30AM Aug 04, 2020Observed: 12.88 ft at 8:45AM Aug 04, 2020Observed: 12.87 ft at 9:00AM Aug 04, 2020Observed: 12.87 ft at 9:15AM Aug 04, 2020Observed: 12.87 ft at 9:30AM Aug 04, 2020Observed: 12.87 ft at 9:45AM Aug 04, 2020Observed: 12.86 ft at 10:00AM Aug 04, 2020Observed: 12.87 ft at 10:15AM Aug 04, 2020Observed: 12.86 ft at 10:30AM Aug 04, 2020Observed: 12.87 ft at 10:45AM Aug 04, 2020Observed: 12.87 ft at 11:00AM Aug 04, 2020Observed: 12.87 ft at 11:02AM Aug 04, 2020Observed: 12.87 ft at 11:15AM Aug 04, 2020Observed: 12.87 ft at 11:17AM Aug 04, 2020Observed: 12.87 ft at 11:30AM Aug 04, 2020Observed: 12.87 ft at 11:32AM Aug 04, 2020Observed: 12.86 ft at 11:45AM Aug 04, 2020Observed: 12.86 ft at 12:00PM Aug 04, 2020Observed: 12.86 ft at 12:15PM Aug 04, 2020Observed: 12.85 ft at 12:30PM Aug 04, 2020Observed: 12.85 ft at 12:45PM Aug 04, 2020Observed: 12.86 ft at 1:00PM Aug 04, 2020Observed: 12.85 ft at 1:15PM Aug 04, 2020Observed: 12.84 ft at 1:30PM Aug 04, 2020Observed: 12.85 ft at 1:45PM Aug 04, 2020Observed: 12.84 ft at 2:00PM Aug 04, 2020Observed: 12.84 ft at 2:15PM Aug 04, 2020Observed: 12.85 ft at 2:30PM Aug 04, 2020Observed: 12.84 ft at 2:45PM Aug 04, 2020Observed: 12.84 ft at 3:00PM Aug 04, 2020Observed: 12.84 ft at 3:15PM Aug 04, 2020Observed: 12.83 ft at 3:30PM Aug 04, 2020Observed: 12.83 ft at 3:45PM Aug 04, 2020Observed: 12.83 ft at 4:00PM Aug 04, 2020Observed: 12.83 ft at 4:15PM Aug 04, 2020Observed: 12.83 ft at 4:30PM Aug 04, 2020Observed: 12.82 ft at 4:45PM Aug 04, 2020Observed: 12.82 ft at 5:00PM Aug 04, 2020Observed: 12.83 ft at 5:15PM Aug 04, 2020Observed: 12.82 ft at 5:30PM Aug 04, 2020Observed: 12.82 ft at 5:45PM Aug 04, 2020Observed: 12.81 ft at 6:00PM Aug 04, 2020Observed: 12.81 ft at 6:15PM Aug 04, 2020Observed: 12.81 ft at 6:30PM Aug 04, 2020Observed: 12.81 ft at 6:45PM Aug 04, 2020Observed: 12.81 ft at 7:00PM Aug 04, 2020Observed: 12.81 ft at 7:01PM Aug 04, 2020Observed: 12.81 ft at 7:15PM Aug 04, 2020Observed: 12.81 ft at 7:16PM Aug 04, 2020Observed: 12.81 ft at 7:30PM Aug 04, 2020Observed: 12.81 ft at 7:31PM Aug 04, 2020Observed: 12.8 ft at 7:45PM Aug 04, 2020Observed: 12.8 ft at 8:00PM Aug 04, 2020Observed: 12.8 ft at 8:15PM Aug 04, 2020Observed: 12.8 ft at 8:30PM Aug 04, 2020Observed: 12.8 ft at 8:45PM Aug 04, 2020Observed: 12.8 ft at 9:00PM Aug 04, 2020Observed: 12.8 ft at 9:15PM Aug 04, 2020Observed: 12.8 ft at 9:30PM Aug 04, 2020Observed: 12.8 ft at 9:45PM Aug 04, 2020Observed: 12.8 ft at 10:00PM Aug 04, 2020Observed: 12.79 ft at 10:15PM Aug 04, 2020Observed: 12.79 ft at 10:30PM Aug 04, 2020Observed: 12.79 ft at 10:45PM Aug 04, 2020Observed: 12.79 ft at 11:00PM Aug 04, 2020Observed: 12.78 ft at 11:15PM Aug 04, 2020Observed: 12.79 ft at 11:30PM Aug 04, 2020Observed: 12.78 ft at 11:45PM Aug 04, 2020Observed: 12.78 ft at 12:00AM Aug 05, 2020Observed: 12.79 ft at 12:15AM Aug 05, 2020Observed: 12.78 ft at 12:30AM Aug 05, 2020Observed: 12.79 ft at 12:45AM Aug 05, 2020Observed: 12.78 ft at 1:00AM Aug 05, 2020Observed: 12.78 ft at 1:15AM Aug 05, 2020Observed: 12.78 ft at 1:30AM Aug 05, 2020Observed: 12.78 ft at 1:45AM Aug 05, 2020Observed: 12.78 ft at 2:00AM Aug 05, 2020Observed: 12.78 ft at 2:15AM Aug 05, 2020Observed: 12.78 ft at 2:30AM Aug 05, 2020Observed: 12.78 ft at 2:45AM Aug 05, 2020Observed: 12.77 ft at 3:00AM Aug 05, 2020Observed: 12.77 ft at 3:01AM Aug 05, 2020Observed: 12.78 ft at 3:15AM Aug 05, 2020Observed: 12.78 ft at 3:16AM Aug 05, 2020Observed: 12.78 ft at 3:30AM Aug 05, 2020Observed: 12.78 ft at 3:31AM Aug 05, 2020Observed: 12.78 ft at 3:45AM Aug 05, 2020Observed: 12.78 ft at 4:00AM Aug 05, 2020Observed: 12.78 ft at 4:15AM Aug 05, 2020Observed: 12.77 ft at 4:30AM Aug 05, 2020Observed: 12.77 ft at 4:45AM Aug 05, 2020Observed: 12.78 ft at 5:00AM Aug 05, 2020Observed: 12.77 ft at 5:15AM Aug 05, 2020Observed: 12.78 ft at 5:30AM Aug 05, 2020Observed: 12.78 ft at 5:45AM Aug 05, 2020Observed: 12.77 ft at 6:00AM Aug 05, 2020Observed: 12.77 ft at 6:15AM Aug 05, 2020Observed: 12.77 ft at 6:30AM Aug 05, 2020Observed: 12.77 ft at 6:45AM Aug 05, 2020Observed: 12.76 ft at 7:00AM Aug 05, 2020Observed: 12.77 ft at 7:15AM Aug 05, 2020Observed: 12.76 ft at 7:30AM Aug 05, 2020Observed: 12.77 ft at 7:45AM Aug 05, 2020Observed: 12.77 ft at 8:00AM Aug 05, 2020Observed: 12.77 ft at 8:15AM Aug 05, 2020Observed: 12.76 ft at 8:30AM Aug 05, 2020Observed: 12.76 ft at 8:45AM Aug 05, 2020Observed: 12.77 ft at 9:00AM Aug 05, 2020Observed: 12.77 ft at 9:15AM Aug 05, 2020Observed: 12.76 ft at 9:30AM Aug 05, 2020Observed: 12.76 ft at 9:45AM Aug 05, 2020Observed: 12.76 ft at 10:00AM Aug 05, 2020Observed: 12.76 ft at 10:15AM Aug 05, 2020Observed: 12.76 ft at 10:30AM Aug 05, 2020Observed: 12.75 ft at 10:45AM Aug 05, 2020Observed: 12.75 ft at 11:00AM Aug 05, 2020Observed: 12.75 ft at 11:15AM Aug 05, 2020Observed: 12.76 ft at 11:30AM Aug 05, 2020Observed: 12.76 ft at 11:45AM Aug 05, 2020Observed: 12.76 ft at 12:00PM Aug 05, 2020Observed: 12.75 ft at 12:15PM Aug 05, 2020Observed: 12.75 ft at 12:30PM Aug 05, 2020Observed: 12.75 ft at 12:45PM Aug 05, 2020Observed: 12.74 ft at 1:00PM Aug 05, 2020Observed: 12.75 ft at 1:15PM Aug 05, 2020Observed: 12.74 ft at 1:30PM Aug 05, 2020Observed: 12.74 ft at 1:45PM Aug 05, 2020Observed: 12.74 ft at 2:00PM Aug 05, 2020Observed: 12.74 ft at 2:15PM Aug 05, 2020Observed: 12.75 ft at 2:30PM Aug 05, 2020Observed: 12.74 ft at 2:45PM Aug 05, 2020Observed: 12.75 ft at 3:00PM Aug 05, 2020Observed: 12.74 ft at 3:15PM Aug 05, 2020Observed: 12.75 ft at 3:30PM Aug 05, 2020Observed: 12.74 ft at 3:45PM Aug 05, 2020Observed: 12.74 ft at 4:00PM Aug 05, 2020Observed: 12.74 ft at 4:15PM Aug 05, 2020Observed: 12.73 ft at 4:30PM Aug 05, 2020Observed: 12.74 ft at 4:45PM Aug 05, 2020Observed: 12.73 ft at 5:00PM Aug 05, 2020Observed: 12.73 ft at 5:15PM Aug 05, 2020Observed: 12.74 ft at 5:30PM Aug 05, 2020Observed: 12.74 ft at 5:45PM Aug 05, 2020Observed: 12.73 ft at 6:00PM Aug 05, 2020Observed: 12.73 ft at 6:15PM Aug 05, 2020Observed: 12.73 ft at 6:30PM Aug 05, 2020Observed: 12.73 ft at 6:45PM Aug 05, 2020Observed: 12.73 ft at 7:00PM Aug 05, 2020Observed: 12.73 ft at 7:15PM Aug 05, 2020Observed: 12.73 ft at 7:30PM Aug 05, 2020Observed: 12.73 ft at 7:45PM Aug 05, 2020Observed: 12.72 ft at 8:00PM Aug 05, 2020Observed: 12.72 ft at 8:15PM Aug 05, 2020Observed: 12.73 ft at 8:30PM Aug 05, 2020Observed: 12.72 ft at 8:45PM Aug 05, 2020Observed: 12.73 ft at 9:00PM Aug 05, 2020Observed: 12.73 ft at 9:15PM Aug 05, 2020Observed: 12.73 ft at 9:30PM Aug 05, 2020Observed: 12.73 ft at 9:45PM Aug 05, 2020Observed: 12.73 ft at 10:00PM Aug 05, 2020Observed: 12.73 ft at 10:15PM Aug 05, 2020Observed: 12.73 ft at 10:30PM Aug 05, 2020Observed: 12.73 ft at 10:45PM Aug 05, 2020Observed: 12.73 ft at 11:00PM Aug 05, 2020Observed: 12.73 ft at 11:15PM Aug 05, 2020Observed: 12.73 ft at 11:30PM Aug 05, 2020Observed: 12.73 ft at 11:45PM Aug 05, 2020Observed: 12.73 ft at 12:00AM Aug 06, 2020Observed: 12.73 ft at 12:15AM Aug 06, 2020Observed: 12.73 ft at 12:30AM Aug 06, 2020Observed: 12.74 ft at 12:45AM Aug 06, 2020Observed: 12.73 ft at 1:00AM Aug 06, 2020Observed: 12.73 ft at 1:15AM Aug 06, 2020Observed: 12.74 ft at 1:30AM Aug 06, 2020Observed: 12.74 ft at 1:45AM Aug 06, 2020Observed: 12.74 ft at 2:00AM Aug 06, 2020Observed: 12.74 ft at 2:15AM Aug 06, 2020Observed: 12.74 ft at 2:30AM Aug 06, 2020Observed: 12.75 ft at 2:45AM Aug 06, 2020Observed: 12.75 ft at 3:00AM Aug 06, 2020Observed: 12.75 ft at 3:01AM Aug 06, 2020Observed: 12.75 ft at 3:15AM Aug 06, 2020Observed: 12.75 ft at 3:16AM Aug 06, 2020Observed: 12.75 ft at 3:30AM Aug 06, 2020Observed: 12.75 ft at 3:31AM Aug 06, 2020Observed: 12.74 ft at 3:45AM Aug 06, 2020Observed: 12.75 ft at 4:00AM Aug 06, 2020Observed: 12.75 ft at 4:15AM Aug 06, 2020Observed: 12.75 ft at 4:30AM Aug 06, 2020Observed: 12.75 ft at 4:45AM Aug 06, 2020Observed: 12.75 ft at 5:00AM Aug 06, 2020Observed: 12.75 ft at 5:15AM Aug 06, 2020Observed: 12.75 ft at 5:30AM Aug 06, 2020Observed: 12.76 ft at 5:45AM Aug 06, 2020Observed: 12.75 ft at 6:00AM Aug 06, 2020Observed: 12.76 ft at 6:15AM Aug 06, 2020Observed: 12.76 ft at 6:30AM Aug 06, 2020Observed: 12.76 ft at 6:45AM Aug 06, 2020Observed: 12.76 ft at 7:00AM Aug 06, 2020Observed: 12.76 ft at 7:15AM Aug 06, 2020Observed: 12.76 ft at 7:30AM Aug 06, 2020Observed: 12.76 ft at 7:45AM Aug 06, 2020Observed: 12.77 ft at 8:00AM Aug 06, 2020Observed: 12.77 ft at 8:15AM Aug 06, 2020Observed: 12.77 ft at 8:30AM Aug 06, 2020Observed: 12.77 ft at 8:45AM Aug 06, 2020Observed: 12.76 ft at 9:00AM Aug 06, 2020Observed: 12.77 ft at 9:15AM Aug 06, 2020Observed: 12.76 ft at 9:30AM Aug 06, 2020Observed: 12.76 ft at 9:45AM Aug 06, 2020Observed: 12.77 ft at 10:00AM Aug 06, 2020Observed: 12.76 ft at 10:15AM Aug 06, 2020Observed: 12.76 ft at 10:30AM Aug 06, 2020Observed: 12.77 ft at 10:45AM Aug 06, 2020Observed: 12.76 ft at 11:00AM Aug 06, 2020Observed: 12.76 ft at 11:01AM Aug 06, 2020Observed: 12.76 ft at 11:15AM Aug 06, 2020Observed: 12.76 ft at 11:16AM Aug 06, 2020Observed: 12.77 ft at 11:30AM Aug 06, 2020Observed: 12.77 ft at 11:31AM Aug 06, 2020Observed: 12.76 ft at 11:45AM Aug 06, 2020Observed: 12.76 ft at 12:00PM Aug 06, 2020Observed: 12.76 ft at 12:15PM Aug 06, 2020Observed: 12.76 ft at 12:30PM Aug 06, 2020Observed: 12.75 ft at 12:45PM Aug 06, 2020Observed: 12.75 ft at 1:00PM Aug 06, 2020Observed: 12.76 ft at 1:15PM Aug 06, 2020Observed: 12.76 ft at 1:30PM Aug 06, 2020Observed: 12.75 ft at 1:45PM Aug 06, 2020Observed: 12.75 ft at 2:00PM Aug 06, 2020Observed: 12.75 ft at 2:15PM Aug 06, 2020Observed: 12.74 ft at 2:30PM Aug 06, 2020Observed: 12.75 ft at 2:45PM Aug 06, 2020Observed: 12.74 ft at 3:00PM Aug 06, 2020Observed: 12.74 ft at 3:15PM Aug 06, 2020Observed: 12.75 ft at 3:30PM Aug 06, 2020Observed: 12.74 ft at 3:45PM Aug 06, 2020Observed: 12.74 ft at 4:00PM Aug 06, 2020Observed: 12.74 ft at 4:15PM Aug 06, 2020Observed: 12.74 ft at 4:30PM Aug 06, 2020Observed: 12.74 ft at 5:45PM Aug 06, 2020Observed: 12.74 ft at 6:00PM Aug 06, 2020Observed: 12.73 ft at 6:15PM Aug 06, 2020Observed: 12.73 ft at 6:30PM Aug 06, 2020Observed: 12.73 ft at 6:45PM Aug 06, 2020Observed: 12.73 ft at 7:00PM Aug 06, 2020Observed: 12.73 ft at 7:15PM Aug 06, 2020Observed: 12.73 ft at 7:16PM Aug 06, 2020Observed: 12.73 ft at 7:30PM Aug 06, 2020Observed: 12.73 ft at 7:31PM Aug 06, 2020Observed: 12.73 ft at 7:45PM Aug 06, 2020Observed: 12.73 ft at 7:46PM Aug 06, 2020Observed: 12.73 ft at 8:00PM Aug 06, 2020Observed: 12.73 ft at 8:15PM Aug 06, 2020Observed: 12.73 ft at 8:30PM Aug 06, 2020Observed: 12.73 ft at 8:45PM Aug 06, 2020Observed: 12.73 ft at 9:00PM Aug 06, 2020Observed: 12.72 ft at 9:15PM Aug 06, 2020Observed: 12.73 ft at 9:30PM Aug 06, 2020Observed: 12.73 ft at 9:45PM Aug 06, 2020Observed: 12.73 ft at 10:00PM Aug 06, 2020Observed: 12.73 ft at 10:15PM Aug 06, 2020Observed: 12.73 ft at 10:30PM Aug 06, 2020Observed: 12.73 ft at 10:45PM Aug 06, 2020Observed: 12.73 ft at 11:00PM Aug 06, 2020Observed: 12.74 ft at 11:15PM Aug 06, 2020Observed: 12.74 ft at 11:30PM Aug 06, 2020Observed: 12.75 ft at 11:45PM Aug 06, 2020Observed: 12.75 ft at 12:00AM Aug 07, 2020Observed: 12.75 ft at 12:15AM Aug 07, 2020Observed: 12.75 ft at 12:30AM Aug 07, 2020Observed: 12.75 ft at 12:45AM Aug 07, 2020Observed: 12.75 ft at 1:00AM Aug 07, 2020Observed: 12.76 ft at 1:15AM Aug 07, 2020Observed: 12.77 ft at 1:30AM Aug 07, 2020Observed: 12.77 ft at 1:45AM Aug 07, 2020Observed: 12.77 ft at 2:00AM Aug 07, 2020Observed: 12.78 ft at 2:15AM Aug 07, 2020Observed: 12.77 ft at 2:30AM Aug 07, 2020Observed: 12.79 ft at 3:17AM Aug 07, 2020Observed: 12.78 ft at 3:32AM Aug 07, 2020Observed: 12.79 ft at 3:45AM Aug 07, 2020Observed: 12.79 ft at 3:47AM Aug 07, 2020Observed: 12.79 ft at 4:00AM Aug 07, 2020Observed: 12.79 ft at 4:15AM Aug 07, 2020Observed: 12.79 ft at 4:30AM Aug 07, 2020Observed: 12.79 ft at 4:45AM Aug 07, 2020Observed: 12.79 ft at 5:00AM Aug 07, 2020Observed: 12.8 ft at 5:15AM Aug 07, 2020Observed: 12.79 ft at 5:30AM Aug 07, 2020Observed: 12.8 ft at 5:45AM Aug 07, 2020Observed: 12.79 ft at 6:00AM Aug 07, 2020Observed: 12.8 ft at 6:15AM Aug 07, 2020Observed: 12.79 ft at 6:30AM Aug 07, 2020Observed: 12.8 ft at 6:45AM Aug 07, 2020Observed: 12.79 ft at 7:00AM Aug 07, 2020Observed: 12.8 ft at 7:15AM Aug 07, 2020Observed: 12.79 ft at 7:30AM Aug 07, 2020Observed: 12.79 ft at 7:45AM Aug 07, 2020Observed: 12.79 ft at 8:00AM Aug 07, 2020Observed: 12.79 ft at 8:15AM Aug 07, 2020Observed: 12.79 ft at 8:30AM Aug 07, 2020Observed: 12.78 ft at 8:45AM Aug 07, 2020Observed: 12.79 ft at 9:00AM Aug 07, 2020Observed: 12.78 ft at 9:15AM Aug 07, 2020Observed: 12.79 ft at 9:30AM Aug 07, 2020Observed: 12.78 ft at 9:45AM Aug 07, 2020Observed: 12.78 ft at 10:00AM Aug 07, 2020Observed: 12.78 ft at 10:15AM Aug 07, 2020Observed: 12.77 ft at 10:30AM Aug 07, 2020Observed: 12.77 ft at 10:45AM Aug 07, 2020Observed: 12.77 ft at 11:00AM Aug 07, 2020Observed: 12.77 ft at 11:15AM Aug 07, 2020Observed: 12.77 ft at 11:17AM Aug 07, 2020Observed: 12.77 ft at 11:30AM Aug 07, 2020Observed: 12.77 ft at 11:32AM Aug 07, 2020Observed: 12.76 ft at 11:45AM Aug 07, 2020Observed: 12.76 ft at 11:47AM Aug 07, 2020Observed: 12.76 ft at 12:00PM Aug 07, 2020Observed: 12.77 ft at 12:15PM Aug 07, 2020Observed: 12.76 ft at 12:30PM Aug 07, 2020Observed: 12.76 ft at 12:45PM Aug 07, 2020Observed: 12.75 ft at 1:00PM Aug 07, 2020Observed: 12.75 ft at 1:15PM Aug 07, 2020Observed: 12.74 ft at 1:30PM Aug 07, 2020Observed: 12.74 ft at 1:45PM Aug 07, 2020Observed: 12.74 ft at 2:00PM Aug 07, 2020Observed: 12.73 ft at 2:15PM Aug 07, 2020Observed: 12.73 ft at 2:30PM Aug 07, 2020Observed: 12.73 ft at 2:45PM Aug 07, 2020Observed: 12.73 ft at 3:00PM Aug 07, 2020Observed: 12.73 ft at 3:15PM Aug 07, 2020Observed: 12.72 ft at 3:30PM Aug 07, 2020Observed: 12.72 ft at 3:45PM Aug 07, 2020Observed: 12.71 ft at 4:00PM Aug 07, 2020Observed: 12.71 ft at 4:15PM Aug 07, 2020Observed: 12.7 ft at 4:30PM Aug 07, 2020Observed: 12.69 ft at 5:45PM Aug 07, 2020Observed: 12.69 ft at 6:00PM Aug 07, 2020Observed: 12.69 ft at 6:15PM Aug 07, 2020Observed: 12.69 ft at 6:30PM Aug 07, 2020Observed: 12.69 ft at 6:45PM Aug 07, 2020Observed: 12.68 ft at 7:00PM Aug 07, 2020Observed: 12.68 ft at 7:15PM Aug 07, 2020Observed: 12.68 ft at 7:16PM Aug 07, 2020Observed: 12.68 ft at 7:30PM Aug 07, 2020Observed: 12.68 ft at 7:31PM Aug 07, 2020Observed: 12.68 ft at 7:45PM Aug 07, 2020Observed: 12.68 ft at 7:46PM Aug 07, 2020Observed: 12.67 ft at 8:00PM Aug 07, 2020Observed: 12.67 ft at 8:15PM Aug 07, 2020Observed: 12.67 ft at 8:30PM Aug 07, 2020Observed: 12.67 ft at 8:45PM Aug 07, 2020Observed: 12.66 ft at 9:00PM Aug 07, 2020Observed: 12.66 ft at 9:15PM Aug 07, 2020Observed: 12.66 ft at 9:30PM Aug 07, 2020Observed: 12.65 ft at 9:45PM Aug 07, 2020Observed: 12.66 ft at 10:00PM Aug 07, 2020Observed: 12.65 ft at 10:15PM Aug 07, 2020Observed: 12.65 ft at 10:30PM Aug 07, 2020Observed: 12.64 ft at 10:45PM Aug 07, 2020Observed: 12.65 ft at 11:00PM Aug 07, 2020Observed: 12.64 ft at 11:15PM Aug 07, 2020Observed: 12.65 ft at 11:30PM Aug 07, 2020Observed: 12.65 ft at 11:45PM Aug 07, 2020Observed: 12.64 ft at 12:00AM Aug 08, 2020Observed: 12.64 ft at 12:15AM Aug 08, 2020Observed: 12.64 ft at 12:30AM Aug 08, 2020Observed: 12.63 ft at 12:45AM Aug 08, 2020Observed: 12.63 ft at 1:00AM Aug 08, 2020Observed: 12.63 ft at 1:15AM Aug 08, 2020Observed: 12.64 ft at 1:30AM Aug 08, 2020Observed: 12.64 ft at 1:45AM Aug 08, 2020Observed: 12.63 ft at 2:00AM Aug 08, 2020Observed: 12.63 ft at 2:15AM Aug 08, 2020Observed: 12.64 ft at 2:30AM Aug 08, 2020Observed: 12.63 ft at 2:45AM Aug 08, 2020Observed: 12.63 ft at 3:00AM Aug 08, 2020Observed: 12.63 ft at 3:15AM Aug 08, 2020Observed: 12.63 ft at 3:16AM Aug 08, 2020Observed: 12.63 ft at 3:30AM Aug 08, 2020Observed: 12.63 ft at 3:31AM Aug 08, 2020Observed: 12.63 ft at 3:45AM Aug 08, 2020Observed: 12.63 ft at 3:46AM Aug 08, 2020Observed: 12.63 ft at 4:00AM Aug 08, 2020Observed: 12.63 ft at 4:15AM Aug 08, 2020Observed: 12.62 ft at 4:30AM Aug 08, 2020Observed: 12.63 ft at 4:45AM Aug 08, 2020Observed: 12.62 ft at 5:00AM Aug 08, 2020Observed: 12.62 ft at 5:15AM Aug 08, 2020Observed: 12.63 ft at 5:30AM Aug 08, 2020Observed: 12.63 ft at 5:45AM Aug 08, 2020Observed: 12.62 ft at 6:00AM Aug 08, 2020Observed: 12.62 ft at 6:15AM Aug 08, 2020Observed: 12.62 ft at 6:30AM Aug 08, 2020Observed: 12.61 ft at 6:45AM Aug 08, 2020Observed: 12.62 ft at 7:00AM Aug 08, 2020Observed: 12.62 ft at 7:15AM Aug 08, 2020Observed: 12.62 ft at 7:30AM Aug 08, 2020Observed: 12.62 ft at 7:45AM Aug 08, 2020Observed: 12.62 ft at 8:00AM Aug 08, 2020Observed: 12.62 ft at 8:15AM Aug 08, 2020Observed: 12.62 ft at 8:30AM Aug 08, 2020Observed: 12.62 ft at 8:45AM Aug 08, 2020Observed: 12.63 ft at 9:00AM Aug 08, 2020Observed: 12.63 ft at 9:15AM Aug 08, 2020Observed: 12.63 ft at 9:30AM Aug 08, 2020Observed: 12.61 ft at 9:45AM Aug 08, 2020Observed: 12.61 ft at 10:00AM Aug 08, 2020Observed: 12.61 ft at 10:15AM Aug 08, 2020Observed: 12.6 ft at 10:30AM Aug 08, 2020Observed: 12.6 ft at 10:45AM Aug 08, 2020Observed: 12.6 ft at 11:00AM Aug 08, 2020Observed: 12.61 ft at 11:15AM Aug 08, 2020Observed: 12.61 ft at 11:17AM Aug 08, 2020Observed: 12.61 ft at 11:30AM Aug 08, 2020Observed: 12.61 ft at 11:32AM Aug 08, 2020Observed: 12.61 ft at 11:45AM Aug 08, 2020Observed: 12.61 ft at 11:47AM Aug 08, 2020Observed: 12.61 ft at 12:00PM Aug 08, 2020Observed: 12.6 ft at 12:15PM Aug 08, 2020Observed: 12.6 ft at 12:30PM Aug 08, 2020Observed: 12.6 ft at 12:45PM Aug 08, 2020Observed: 12.6 ft at 1:00PM Aug 08, 2020Observed: 12.6 ft at 1:15PM Aug 08, 2020Observed: 12.6 ft at 1:30PM Aug 08, 2020Observed: 12.6 ft at 1:45PM Aug 08, 2020Observed: 12.6 ft at 2:00PM Aug 08, 2020Observed: 12.59 ft at 2:15PM Aug 08, 2020Observed: 12.6 ft at 2:30PM Aug 08, 2020Observed: 12.6 ft at 2:45PM Aug 08, 2020Observed: 12.6 ft at 3:00PM Aug 08, 2020Observed: 12.6 ft at 3:15PM Aug 08, 2020Observed: 12.59 ft at 3:30PM Aug 08, 2020Observed: 12.6 ft at 3:45PM Aug 08, 2020Observed: 12.59 ft at 4:00PM Aug 08, 2020Observed: 12.59 ft at 4:15PM Aug 08, 2020Observed: 12.59 ft at 4:30PM Aug 08, 2020Observed: 12.59 ft at 4:45PM Aug 08, 2020Observed: 12.58 ft at 5:00PM Aug 08, 2020Observed: 12.58 ft at 5:15PM Aug 08, 2020Observed: 12.58 ft at 5:30PM Aug 08, 2020Observed: 12.58 ft at 5:45PM Aug 08, 2020Observed: 12.59 ft at 6:00PM Aug 08, 2020Observed: 12.58 ft at 6:15PM Aug 08, 2020Observed: 12.58 ft at 6:30PM Aug 08, 2020Observed: 12.59 ft at 6:45PM Aug 08, 2020Observed: 12.58 ft at 7:00PM Aug 08, 2020Observed: 12.59 ft at 7:15PM Aug 08, 2020Observed: 12.59 ft at 7:17PM Aug 08, 2020Observed: 12.58 ft at 7:30PM Aug 08, 2020Observed: 12.58 ft at 7:32PM Aug 08, 2020Observed: 12.58 ft at 7:45PM Aug 08, 2020Observed: 12.58 ft at 7:47PM Aug 08, 2020Observed: 12.58 ft at 8:00PM Aug 08, 2020Observed: 12.57 ft at 8:15PM Aug 08, 2020Observed: 12.57 ft at 8:30PM Aug 08, 2020Observed: 12.57 ft at 8:45PM Aug 08, 2020Observed: 12.58 ft at 9:00PM Aug 08, 2020Observed: 12.58 ft at 9:15PM Aug 08, 2020Observed: 12.57 ft at 9:30PM Aug 08, 2020Observed: 12.58 ft at 9:45PM Aug 08, 2020Observed: 12.58 ft at 10:00PM Aug 08, 2020Observed: 12.57 ft at 10:15PM Aug 08, 2020Observed: 12.57 ft at 10:30PM Aug 08, 2020Observed: 12.57 ft at 10:45PM Aug 08, 2020Observed: 12.56 ft at 11:00PM Aug 08, 2020Observed: 12.57 ft at 11:15PM Aug 08, 2020Observed: 12.57 ft at 11:30PM Aug 08, 2020Observed: 12.57 ft at 11:45PM Aug 08, 2020Observed: 12.56 ft at 12:00AM Aug 09, 2020Observed: 12.56 ft at 12:15AM Aug 09, 2020Observed: 12.56 ft at 12:30AM Aug 09, 2020Observed: 12.55 ft at 12:45AM Aug 09, 2020Observed: 12.56 ft at 1:00AM Aug 09, 2020Observed: 12.55 ft at 1:15AM Aug 09, 2020Observed: 12.55 ft at 1:30AM Aug 09, 2020Observed: 12.55 ft at 1:45AM Aug 09, 2020Observed: 12.55 ft at 2:00AM Aug 09, 2020Observed: 12.55 ft at 2:15AM Aug 09, 2020Observed: 12.48 ft at 2:30AM Aug 09, 2020Observed: 12.53 ft at 2:45AM Aug 09, 2020Observed: 12.56 ft at 3:00AM Aug 09, 2020Observed: 12.57 ft at 3:15AM Aug 09, 2020Observed: 12.57 ft at 3:16AM Aug 09, 2020Observed: 12.57 ft at 3:30AM Aug 09, 2020Observed: 12.57 ft at 3:31AM Aug 09, 2020Observed: 12.57 ft at 3:45AM Aug 09, 2020Observed: 12.57 ft at 3:46AM Aug 09, 2020Observed: 12.56 ft at 4:00AM Aug 09, 2020Observed: 12.56 ft at 4:15AM Aug 09, 2020Observed: 12.55 ft at 4:30AM Aug 09, 2020Observed: 12.54 ft at 4:45AM Aug 09, 2020Observed: 12.54 ft at 5:00AM Aug 09, 2020Observed: 12.54 ft at 5:15AM Aug 09, 2020Observed: 12.53 ft at 5:30AM Aug 09, 2020Observed: 12.54 ft at 5:45AM Aug 09, 2020Observed: 12.52 ft at 6:00AM Aug 09, 2020Observed: 12.52 ft at 6:15AM Aug 09, 2020Observed: 12.52 ft at 6:30AM Aug 09, 2020Observed: 12.52 ft at 6:45AM Aug 09, 2020Observed: 12.51 ft at 7:00AM Aug 09, 2020Observed: 12.5 ft at 7:15AM Aug 09, 2020Observed: 12.5 ft at 7:30AM Aug 09, 2020Observed: 12.5 ft at 7:45AM Aug 09, 2020Observed: 12.49 ft at 8:00AM Aug 09, 2020Observed: 12.49 ft at 8:15AM Aug 09, 2020Observed: 12.48 ft at 8:30AM Aug 09, 2020Observed: 12.48 ft at 8:45AM Aug 09, 2020Observed: 12.48 ft at 9:00AM Aug 09, 2020Observed: 12.48 ft at 9:15AM Aug 09, 2020Observed: 12.47 ft at 9:30AM Aug 09, 2020Observed: 12.47 ft at 9:45AM Aug 09, 2020Observed: 12.47 ft at 10:00AM Aug 09, 2020Observed: 12.46 ft at 10:15AM Aug 09, 2020Observed: 12.46 ft at 10:30AM Aug 09, 2020Observed: 12.46 ft at 10:45AM Aug 09, 2020Observed: 12.46 ft at 11:00AM Aug 09, 2020Observed: 12.45 ft at 11:15AM Aug 09, 2020Observed: 12.45 ft at 11:16AM Aug 09, 2020Observed: 12.46 ft at 11:30AM Aug 09, 2020Observed: 12.46 ft at 11:31AM Aug 09, 2020Observed: 12.46 ft at 11:45AM Aug 09, 2020Observed: 12.46 ft at 11:46AM Aug 09, 2020Observed: 12.46 ft at 12:00PM Aug 09, 2020Observed: 12.45 ft at 12:15PM Aug 09, 2020Observed: 12.45 ft at 12:30PM Aug 09, 2020Observed: 12.44 ft at 12:45PM Aug 09, 2020Observed: 12.44 ft at 1:00PM Aug 09, 2020Observed: 12.44 ft at 1:15PM Aug 09, 2020Observed: 12.44 ft at 1:30PM Aug 09, 2020Observed: 12.44 ft at 1:45PM Aug 09, 2020Observed: 12.44 ft at 2:00PM Aug 09, 2020Observed: 12.44 ft at 2:15PM Aug 09, 2020Observed: 12.44 ft at 2:30PM Aug 09, 2020Observed: 12.44 ft at 2:45PM Aug 09, 2020Observed: 12.44 ft at 3:00PM Aug 09, 2020Observed: 12.44 ft at 3:15PM Aug 09, 2020Observed: 12.43 ft at 3:30PM Aug 09, 2020Observed: 12.44 ft at 3:45PM Aug 09, 2020Observed: 12.44 ft at 4:00PM Aug 09, 2020Observed: 12.45 ft at 4:15PM Aug 09, 2020Observed: 12.44 ft at 4:30PM Aug 09, 2020Observed: 12.45 ft at 5:45PM Aug 09, 2020Observed: 12.44 ft at 6:00PM Aug 09, 2020Observed: 12.46 ft at 6:15PM Aug 09, 2020Observed: 12.45 ft at 6:30PM Aug 09, 2020Observed: 12.45 ft at 6:45PM Aug 09, 2020Observed: 12.46 ft at 7:00PM Aug 09, 2020Observed: 12.46 ft at 7:15PM Aug 09, 2020Observed: 12.46 ft at 7:17PM Aug 09, 2020Observed: 12.46 ft at 7:30PM Aug 09, 2020Observed: 12.46 ft at 7:32PM Aug 09, 2020Observed: 12.46 ft at 7:45PM Aug 09, 2020Observed: 12.46 ft at 7:47PM Aug 09, 2020Observed: 12.47 ft at 8:00PM Aug 09, 2020Observed: 12.47 ft at 8:15PM Aug 09, 2020Observed: 12.47 ft at 8:30PM Aug 09, 2020Observed: 12.47 ft at 8:45PM Aug 09, 2020Observed: 12.48 ft at 9:00PM Aug 09, 2020Observed: 12.47 ft at 9:15PM Aug 09, 2020Observed: 12.48 ft at 9:30PM Aug 09, 2020Observed: 12.48 ft at 9:45PM Aug 09, 2020Observed: 12.49 ft at 10:00PM Aug 09, 2020Observed: 12.49 ft at 10:15PM Aug 09, 2020Observed: 12.49 ft at 10:30PM Aug 09, 2020Observed: 12.49 ft at 10:45PM Aug 09, 2020Observed: 12.49 ft at 11:00PM Aug 09, 2020Observed: 12.5 ft at 11:15PM Aug 09, 2020Observed: 12.5 ft at 11:30PM Aug 09, 2020Observed: 12.51 ft at 11:45PM Aug 09, 2020Observed: 12.5 ft at 12:00AM Aug 10, 2020Observed: 12.5 ft at 12:15AM Aug 10, 2020Observed: 12.51 ft at 12:30AM Aug 10, 2020Observed: 12.51 ft at 12:45AM Aug 10, 2020Observed: 12.51 ft at 1:00AM Aug 10, 2020Observed: 12.52 ft at 1:15AM Aug 10, 2020Observed: 12.51 ft at 1:30AM Aug 10, 2020Observed: 12.51 ft at 1:45AM Aug 10, 2020Observed: 12.52 ft at 2:00AM Aug 10, 2020Observed: 12.52 ft at 2:15AM Aug 10, 2020Observed: 12.52 ft at 2:30AM Aug 10, 2020Observed: 12.52 ft at 2:45AM Aug 10, 2020Observed: 12.52 ft at 3:00AM Aug 10, 2020Observed: 12.53 ft at 3:15AM Aug 10, 2020Observed: 12.53 ft at 3:30AM Aug 10, 2020Observed: 12.52 ft at 3:45AM Aug 10, 2020Observed: 12.53 ft at 4:00AM Aug 10, 2020Observed: 12.53 ft at 4:15AM Aug 10, 2020Observed: 12.53 ft at 4:30AM Aug 10, 2020Observed: 12.53 ft at 4:45AM Aug 10, 2020Observed: 12.54 ft at 5:00AM Aug 10, 2020Observed: 12.54 ft at 5:15AM Aug 10, 2020Observed: 12.54 ft at 5:30AM Aug 10, 2020Observed: 12.55 ft at 5:45AM Aug 10, 2020Observed: 12.54 ft at 6:00AM Aug 10, 2020Observed: 12.55 ft at 6:15AM Aug 10, 2020Observed: 12.54 ft at 6:30AM Aug 10, 2020Observed: 12.54 ft at 6:45AM Aug 10, 2020Observed: 12.54 ft at 7:00AM Aug 10, 2020Observed: 12.54 ft at 7:15AM Aug 10, 2020Observed: 12.54 ft at 7:30AM Aug 10, 2020Observed: 12.55 ft at 7:45AM Aug 10, 2020Observed: 12.54 ft at 8:00AM Aug 10, 2020Observed: 12.53 ft at 8:15AM Aug 10, 2020Observed: 12.55 ft at 8:30AM Aug 10, 2020Observed: 12.55 ft at 8:45AM Aug 10, 2020Observed: 12.55 ft at 9:00AM Aug 10, 2020Observed: 12.55 ft at 9:15AM Aug 10, 2020Observed: 12.55 ft at 9:30AM Aug 10, 2020Observed: 12.55 ft at 9:45AM Aug 10, 2020Observed: 12.56 ft at 10:00AM Aug 10, 2020Observed: 12.56 ft at 10:15AM Aug 10, 2020Observed: 12.57 ft at 10:30AM Aug 10, 2020Observed: 12.57 ft at 10:45AM Aug 10, 2020Observed: 12.57 ft at 11:00AM Aug 10, 2020Observed: 12.57 ft at 11:15AM Aug 10, 2020Observed: 12.55 ft at 11:30AM Aug 10, 2020Observed: 12.55 ft at 11:32AM Aug 10, 2020Observed: 12.57 ft at 11:45AM Aug 10, 2020Observed: 12.57 ft at 11:47AM Aug 10, 2020Observed: 12.55 ft at 12:00PM Aug 10, 2020Observed: 12.55 ft at 12:02PM Aug 10, 2020Observed: 12.55 ft at 12:15PM Aug 10, 2020Observed: 12.57 ft at 12:30PM Aug 10, 2020Observed: 12.54 ft at 12:45PM Aug 10, 2020Observed: 12.54 ft at 1:00PM Aug 10, 2020Observed: 12.54 ft at 1:15PM Aug 10, 2020Observed: 12.54 ft at 1:30PM Aug 10, 2020Observed: 12.54 ft at 1:45PM Aug 10, 2020Observed: 12.54 ft at 2:00PM Aug 10, 2020Observed: 12.54 ft at 2:15PM Aug 10, 2020Observed: 12.53 ft at 2:30PM Aug 10, 2020Observed: 12.54 ft at 2:45PM Aug 10, 2020Observed: 12.54 ft at 3:00PM Aug 10, 2020Observed: 12.54 ft at 3:15PM Aug 10, 2020Observed: 12.54 ft at 3:30PM Aug 10, 2020Observed: 12.55 ft at 3:45PM Aug 10, 2020Observed: 12.54 ft at 4:00PM Aug 10, 2020Observed: 12.55 ft at 4:15PM Aug 10, 2020Observed: 12.55 ft at 4:30PM Aug 10, 2020Observed: 12.55 ft at 4:45PM Aug 10, 2020Observed: 12.55 ft at 5:00PM Aug 10, 2020Observed: 12.56 ft at 5:15PM Aug 10, 2020Observed: 12.56 ft at 5:30PM Aug 10, 2020Observed: 12.56 ft at 5:45PM Aug 10, 2020Observed: 12.56 ft at 6:00PM Aug 10, 2020Observed: 12.56 ft at 6:15PM Aug 10, 2020Observed: 12.56 ft at 6:30PM Aug 10, 2020Observed: 12.56 ft at 6:45PM Aug 10, 2020Observed: 12.56 ft at 7:00PM Aug 10, 2020Observed: 12.56 ft at 7:15PM Aug 10, 2020Observed: 12.57 ft at 7:30PM Aug 10, 2020USGS--Water Resources of the United StatesHWDI4(plotting HGIRG) Graph Created (8:03PM Aug 10, 2020)ObservedLatest observed value: 12.57 ft at 7:30 PM CDT 10-Aug-2020. Flood Stage is 20.5 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.

NOTE: Forecasts for the Big Sioux River above Hawarden are issued as needed during times of high water, but are not routinely available.

Return to Area Map
Upstream Gauge - at Fairview Upstream Gauge Downstream Gauge Downstream Locations
Flood Categories (in feet)
Major Flood Stage: 27
Moderate Flood Stage: 24
Flood Stage: 20.5
Action Stage: 18.5
Low Stage (in feet): -9999

Historic Crests
(1) 35.20 ft on 03/15/2019
(2) 34.00 ft on 06/22/2018
(3) 32.83 ft on 09/15/2019 (P)
(4) 22.38 ft on 05/02/2016
(5) 20.35 ft on 05/23/2017
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 32.83 ft on 09/15/2019 (P)
(2) 35.20 ft on 03/15/2019
(3) 34.00 ft on 06/22/2018
(4) 20.35 ft on 05/23/2017
(5) 22.38 ft on 05/02/2016
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
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
32 water backs up into the park in Hawarden, and some basements and sewers could begin to have problems.
30.5 Iowa Highway 10 begins to flood.
30 South Dakota Highway 46 begins to flood north of Hawarden.
29.5 County Road 13 begins to flood west of Hawarden.
28.5 River Road begins to flood about 1 1/2 miles south of County Road 13.
24 some farm houses on the South Dakota side of the river are isolated by high water.
20.5 agricultural flooding begins on the South Dakota side of the river.
About This Location Collapse

Latitude: 43.051389° N, Longitude: 96.489444° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 20.5 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)		 Elevation
(gauge height = flood stage)		 Elevation information source
NAVD88 1150.00 1170.50 Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:
Additional Information Collapse
This location became the official NWS river forecast point for the Big Sioux River near Hawarden on January 1, 2017. On Wednesday, April 11, 2018, the elevation defining Flood Stage for HWDI4 will be changed from 19.0 feet to 20.5 feet. How low could the river get?
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: 1-Mar-2019 12:34 AM 		Disclaimer
Credits
Glossary 		Privacy Policy
About Us
Career Opportunities