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 Brookings Stage (ft)Flow (cfs)Observed: 3.68 ft at 7:00PM Aug 01, 2020Observed: 3.67 ft at 7:15PM Aug 01, 2020Observed: 3.68 ft at 7:30PM Aug 01, 2020Observed: 3.67 ft at 7:45PM Aug 01, 2020Observed: 3.67 ft at 8:00PM Aug 01, 2020Observed: 3.66 ft at 8:15PM Aug 01, 2020Observed: 3.67 ft at 8:30PM Aug 01, 2020Observed: 3.67 ft at 8:45PM Aug 01, 2020Observed: 3.68 ft at 9:00PM Aug 01, 2020Observed: 3.66 ft at 9:15PM Aug 01, 2020Observed: 3.66 ft at 9:30PM Aug 01, 2020Observed: 3.66 ft at 9:45PM Aug 01, 2020Observed: 3.67 ft at 10:00PM Aug 01, 2020Observed: 3.68 ft at 10:15PM Aug 01, 2020Observed: 3.68 ft at 10:30PM Aug 01, 2020Observed: 3.67 ft at 10:45PM Aug 01, 2020Observed: 3.66 ft at 11:00PM Aug 01, 2020Observed: 3.68 ft at 11:15PM Aug 01, 2020Observed: 3.67 ft at 11:30PM Aug 01, 2020Observed: 3.66 ft at 11:45PM Aug 01, 2020Observed: 3.67 ft at 12:00AM Aug 02, 2020Observed: 3.67 ft at 12:15AM Aug 02, 2020Observed: 3.68 ft at 12:30AM Aug 02, 2020Observed: 3.68 ft at 12:45AM Aug 02, 2020Observed: 3.68 ft at 1:00AM Aug 02, 2020Observed: 3.69 ft at 1:15AM Aug 02, 2020Observed: 3.69 ft at 1:30AM Aug 02, 2020Observed: 3.69 ft at 1:31AM Aug 02, 2020Observed: 3.69 ft at 1:45AM Aug 02, 2020Observed: 3.69 ft at 1:46AM Aug 02, 2020Observed: 3.69 ft at 2:00AM Aug 02, 2020Observed: 3.69 ft at 2:01AM Aug 02, 2020Observed: 3.68 ft at 2:15AM Aug 02, 2020Observed: 3.68 ft at 2:30AM Aug 02, 2020Observed: 3.69 ft at 2:45AM Aug 02, 2020Observed: 3.7 ft at 3:00AM Aug 02, 2020Observed: 3.71 ft at 3:15AM Aug 02, 2020Observed: 3.7 ft at 3:30AM Aug 02, 2020Observed: 3.7 ft at 3:45AM Aug 02, 2020Observed: 3.7 ft at 4:00AM Aug 02, 2020Observed: 3.71 ft at 4:15AM Aug 02, 2020Observed: 3.72 ft at 4:30AM Aug 02, 2020Observed: 3.71 ft at 4:45AM Aug 02, 2020Observed: 3.72 ft at 5:00AM Aug 02, 2020Observed: 3.72 ft at 5:15AM Aug 02, 2020Observed: 3.72 ft at 5:30AM Aug 02, 2020Observed: 3.73 ft at 5:45AM Aug 02, 2020Observed: 3.74 ft at 6:00AM Aug 02, 2020Observed: 3.75 ft at 6:15AM Aug 02, 2020Observed: 3.74 ft at 6:30AM Aug 02, 2020Observed: 3.75 ft at 6:45AM Aug 02, 2020Observed: 3.76 ft at 7:00AM Aug 02, 2020Observed: 3.76 ft at 7:15AM Aug 02, 2020Observed: 3.75 ft at 7:30AM Aug 02, 2020Observed: 3.78 ft at 7:45AM Aug 02, 2020Observed: 3.75 ft at 8:00AM Aug 02, 2020Observed: 3.78 ft at 8:15AM Aug 02, 2020Observed: 3.78 ft at 8:30AM Aug 02, 2020Observed: 3.79 ft at 8:45AM Aug 02, 2020Observed: 3.78 ft at 9:00AM Aug 02, 2020Observed: 3.78 ft at 9:15AM Aug 02, 2020Observed: 3.79 ft at 9:30AM Aug 02, 2020Observed: 3.79 ft at 9:31AM Aug 02, 2020Observed: 3.78 ft at 9:45AM Aug 02, 2020Observed: 3.78 ft at 9:46AM Aug 02, 2020Observed: 3.8 ft at 10:00AM Aug 02, 2020Observed: 3.8 ft at 10:01AM Aug 02, 2020Observed: 3.8 ft at 10:15AM Aug 02, 2020Observed: 3.79 ft at 10:30AM Aug 02, 2020Observed: 3.8 ft at 10:45AM Aug 02, 2020Highest Observation: 3.81 ft at 11:00AM Aug 02, 2020Observed: 3.8 ft at 11:15AM Aug 02, 2020Observed: 3.8 ft at 11:30AM Aug 02, 2020Observed: 3.78 ft at 11:45AM Aug 02, 2020Observed: 3.78 ft at 12:00PM Aug 02, 2020Observed: 3.79 ft at 12:15PM Aug 02, 2020Observed: 3.78 ft at 12:30PM Aug 02, 2020Observed: 3.79 ft at 12:45PM Aug 02, 2020Observed: 3.8 ft at 1:00PM Aug 02, 2020Observed: 3.78 ft at 1:15PM Aug 02, 2020Observed: 3.78 ft at 1:30PM Aug 02, 2020Observed: 3.78 ft at 1:45PM Aug 02, 2020Observed: 3.79 ft at 2:00PM Aug 02, 2020Observed: 3.79 ft at 2:15PM Aug 02, 2020Observed: 3.79 ft at 2:30PM Aug 02, 2020Observed: 3.78 ft at 2:45PM Aug 02, 2020Observed: 3.78 ft at 3:00PM Aug 02, 2020Observed: 3.79 ft at 3:15PM Aug 02, 2020Observed: 3.79 ft at 3:30PM Aug 02, 2020Observed: 3.77 ft at 3:45PM Aug 02, 2020Observed: 3.77 ft at 4:00PM Aug 02, 2020Observed: 3.77 ft at 4:15PM Aug 02, 2020Observed: 3.78 ft at 4:30PM Aug 02, 2020Observed: 3.77 ft at 4:45PM Aug 02, 2020Observed: 3.77 ft at 5:00PM Aug 02, 2020Observed: 3.78 ft at 5:30PM Aug 02, 2020Observed: 3.77 ft at 5:45PM Aug 02, 2020Observed: 3.77 ft at 6:15PM Aug 02, 2020Observed: 3.78 ft at 6:30PM Aug 02, 2020Observed: 3.75 ft at 6:45PM Aug 02, 2020Observed: 3.76 ft at 7:00PM Aug 02, 2020Observed: 3.75 ft at 7:15PM Aug 02, 2020Observed: 3.76 ft at 7:30PM Aug 02, 2020Observed: 3.76 ft at 7:45PM Aug 02, 2020Observed: 3.75 ft at 8:00PM Aug 02, 2020Observed: 3.75 ft at 8:15PM Aug 02, 2020Observed: 3.75 ft at 8:30PM Aug 02, 2020Observed: 3.74 ft at 8:45PM Aug 02, 2020Observed: 3.74 ft at 9:00PM Aug 02, 2020Observed: 3.74 ft at 9:15PM Aug 02, 2020Observed: 3.73 ft at 9:30PM Aug 02, 2020Observed: 3.74 ft at 9:45PM Aug 02, 2020Observed: 3.74 ft at 10:00PM Aug 02, 2020Observed: 3.73 ft at 10:15PM Aug 02, 2020Observed: 3.73 ft at 10:30PM Aug 02, 2020Observed: 3.73 ft at 10:45PM Aug 02, 2020Observed: 3.73 ft at 11:00PM Aug 02, 2020Observed: 3.72 ft at 11:15PM Aug 02, 2020Observed: 3.72 ft at 11:30PM Aug 02, 2020Observed: 3.72 ft at 11:45PM Aug 02, 2020Observed: 3.71 ft at 12:00AM Aug 03, 2020Observed: 3.73 ft at 12:15AM Aug 03, 2020Observed: 3.71 ft at 12:30AM Aug 03, 2020Observed: 3.72 ft at 12:45AM Aug 03, 2020Observed: 3.71 ft at 1:00AM Aug 03, 2020Observed: 3.7 ft at 1:15AM Aug 03, 2020Observed: 3.71 ft at 1:30AM Aug 03, 2020Observed: 3.7 ft at 1:45AM Aug 03, 2020Observed: 3.69 ft at 2:00AM Aug 03, 2020Observed: 3.71 ft at 2:15AM Aug 03, 2020Observed: 3.69 ft at 2:30AM Aug 03, 2020Observed: 3.7 ft at 2:45AM Aug 03, 2020Observed: 3.7 ft at 3:00AM Aug 03, 2020Observed: 3.69 ft at 3:15AM Aug 03, 2020Observed: 3.69 ft at 3:30AM Aug 03, 2020Observed: 3.69 ft at 3:45AM Aug 03, 2020Observed: 3.67 ft at 4:00AM Aug 03, 2020Observed: 3.68 ft at 4:15AM Aug 03, 2020Observed: 3.67 ft at 4:30AM Aug 03, 2020Observed: 3.68 ft at 4:45AM Aug 03, 2020Observed: 3.68 ft at 5:00AM Aug 03, 2020Observed: 3.67 ft at 5:15AM Aug 03, 2020Observed: 3.68 ft at 5:30AM Aug 03, 2020Observed: 3.66 ft at 5:45AM Aug 03, 2020Observed: 3.66 ft at 6:00AM Aug 03, 2020Observed: 3.66 ft at 6:15AM Aug 03, 2020Observed: 3.67 ft at 6:30AM Aug 03, 2020Observed: 3.66 ft at 6:45AM Aug 03, 2020Observed: 3.65 ft at 7:00AM Aug 03, 2020Observed: 3.67 ft at 7:15AM Aug 03, 2020Observed: 3.66 ft at 7:30AM Aug 03, 2020Observed: 3.65 ft at 7:45AM Aug 03, 2020Observed: 3.66 ft at 8:00AM Aug 03, 2020Observed: 3.65 ft at 8:15AM Aug 03, 2020Observed: 3.66 ft at 8:30AM Aug 03, 2020Observed: 3.66 ft at 8:45AM Aug 03, 2020Observed: 3.65 ft at 9:00AM Aug 03, 2020Observed: 3.65 ft at 9:15AM Aug 03, 2020Observed: 3.66 ft at 9:30AM Aug 03, 2020Observed: 3.66 ft at 9:31AM Aug 03, 2020Observed: 3.65 ft at 9:45AM Aug 03, 2020Observed: 3.65 ft at 9:46AM Aug 03, 2020Observed: 3.64 ft at 10:00AM Aug 03, 2020Observed: 3.64 ft at 10:01AM Aug 03, 2020Observed: 3.65 ft at 10:15AM Aug 03, 2020Observed: 3.64 ft at 10:30AM Aug 03, 2020Observed: 3.65 ft at 10:45AM Aug 03, 2020Observed: 3.65 ft at 11:00AM Aug 03, 2020Observed: 3.64 ft at 11:15AM Aug 03, 2020Observed: 3.64 ft at 11:30AM Aug 03, 2020Observed: 3.64 ft at 11:45AM Aug 03, 2020Observed: 3.63 ft at 12:00PM Aug 03, 2020Observed: 3.63 ft at 12:15PM Aug 03, 2020Observed: 3.62 ft at 12:30PM Aug 03, 2020Observed: 3.62 ft at 12:45PM Aug 03, 2020Observed: 3.62 ft at 1:00PM Aug 03, 2020Observed: 3.63 ft at 1:15PM Aug 03, 2020Observed: 3.61 ft at 1:30PM Aug 03, 2020Observed: 3.61 ft at 1:45PM Aug 03, 2020Observed: 3.61 ft at 2:00PM Aug 03, 2020Observed: 3.62 ft at 2:15PM Aug 03, 2020Observed: 3.62 ft at 2:30PM Aug 03, 2020Observed: 3.6 ft at 2:45PM Aug 03, 2020Observed: 3.62 ft at 3:00PM Aug 03, 2020Observed: 3.6 ft at 3:15PM Aug 03, 2020Observed: 3.59 ft at 3:30PM Aug 03, 2020Observed: 3.6 ft at 3:45PM Aug 03, 2020Observed: 3.61 ft at 4:00PM Aug 03, 2020Observed: 3.59 ft at 4:15PM Aug 03, 2020Observed: 3.59 ft at 4:30PM Aug 03, 2020Observed: 3.61 ft at 4:45PM Aug 03, 2020Observed: 3.6 ft at 5:00PM Aug 03, 2020Observed: 3.59 ft at 5:15PM Aug 03, 2020Observed: 3.59 ft at 5:30PM Aug 03, 2020Observed: 3.59 ft at 5:31PM Aug 03, 2020Observed: 3.58 ft at 5:45PM Aug 03, 2020Observed: 3.58 ft at 5:46PM Aug 03, 2020Observed: 3.59 ft at 6:00PM Aug 03, 2020Observed: 3.59 ft at 6:01PM Aug 03, 2020Observed: 3.58 ft at 6:15PM Aug 03, 2020Observed: 3.58 ft at 6:30PM Aug 03, 2020Observed: 3.59 ft at 6:45PM Aug 03, 2020Observed: 3.59 ft at 7:00PM Aug 03, 2020Observed: 3.59 ft at 7:15PM Aug 03, 2020Observed: 3.58 ft at 7:30PM Aug 03, 2020Observed: 3.57 ft at 7:45PM Aug 03, 2020Observed: 3.58 ft at 8:00PM Aug 03, 2020Observed: 3.57 ft at 8:15PM Aug 03, 2020Observed: 3.58 ft at 8:30PM Aug 03, 2020Observed: 3.56 ft at 8:45PM Aug 03, 2020Observed: 3.57 ft at 9:00PM Aug 03, 2020Observed: 3.55 ft at 9:15PM Aug 03, 2020Observed: 3.58 ft at 9:30PM Aug 03, 2020Observed: 3.56 ft at 9:45PM Aug 03, 2020Observed: 3.55 ft at 10:00PM Aug 03, 2020Observed: 3.57 ft at 10:15PM Aug 03, 2020Observed: 3.55 ft at 10:30PM Aug 03, 2020Observed: 3.56 ft at 10:45PM Aug 03, 2020Observed: 3.56 ft at 11:00PM Aug 03, 2020Observed: 3.55 ft at 11:15PM Aug 03, 2020Observed: 3.54 ft at 11:30PM Aug 03, 2020Observed: 3.55 ft at 11:45PM Aug 03, 2020Observed: 3.56 ft at 12:00AM Aug 04, 2020Observed: 3.56 ft at 12:15AM Aug 04, 2020Observed: 3.55 ft at 12:30AM Aug 04, 2020Observed: 3.55 ft at 12:45AM Aug 04, 2020Observed: 3.56 ft at 1:00AM Aug 04, 2020Observed: 3.55 ft at 1:15AM Aug 04, 2020Observed: 3.55 ft at 1:30AM Aug 04, 2020Observed: 3.55 ft at 1:31AM Aug 04, 2020Observed: 3.55 ft at 1:45AM Aug 04, 2020Observed: 3.55 ft at 1:46AM Aug 04, 2020Observed: 3.55 ft at 2:00AM Aug 04, 2020Observed: 3.55 ft at 2:01AM Aug 04, 2020Observed: 3.54 ft at 2:15AM Aug 04, 2020Observed: 3.53 ft at 2:30AM Aug 04, 2020Observed: 3.54 ft at 2:45AM Aug 04, 2020Observed: 3.54 ft at 3:00AM Aug 04, 2020Observed: 3.54 ft at 3:15AM Aug 04, 2020Observed: 3.53 ft at 3:30AM Aug 04, 2020Observed: 3.53 ft at 3:45AM Aug 04, 2020Observed: 3.53 ft at 4:00AM Aug 04, 2020Observed: 3.53 ft at 4:15AM Aug 04, 2020Observed: 3.54 ft at 4:30AM Aug 04, 2020Observed: 3.54 ft at 4:45AM Aug 04, 2020Observed: 3.53 ft at 5:00AM Aug 04, 2020Observed: 3.53 ft at 5:15AM Aug 04, 2020Observed: 3.53 ft at 5:30AM Aug 04, 2020Observed: 3.52 ft at 5:45AM Aug 04, 2020Observed: 3.54 ft at 6:00AM Aug 04, 2020Observed: 3.52 ft at 6:15AM Aug 04, 2020Observed: 3.52 ft at 6:30AM Aug 04, 2020Observed: 3.53 ft at 6:45AM Aug 04, 2020Observed: 3.52 ft at 7:00AM Aug 04, 2020Observed: 3.52 ft at 7:15AM Aug 04, 2020Observed: 3.51 ft at 7:30AM Aug 04, 2020Observed: 3.53 ft at 7:45AM Aug 04, 2020Observed: 3.52 ft at 8:00AM Aug 04, 2020Observed: 3.52 ft at 8:15AM Aug 04, 2020Observed: 3.52 ft at 8:30AM Aug 04, 2020Observed: 3.51 ft at 8:45AM Aug 04, 2020Observed: 3.52 ft at 9:00AM Aug 04, 2020Observed: 3.51 ft at 9:15AM Aug 04, 2020Observed: 3.52 ft at 9:30AM Aug 04, 2020Observed: 3.52 ft at 9:45AM Aug 04, 2020Observed: 3.51 ft at 10:00AM Aug 04, 2020Observed: 3.52 ft at 10:15AM Aug 04, 2020Observed: 3.52 ft at 10:30AM Aug 04, 2020Observed: 3.51 ft at 10:45AM Aug 04, 2020Observed: 3.5 ft at 11:00AM Aug 04, 2020Observed: 3.51 ft at 11:15AM Aug 04, 2020Observed: 3.51 ft at 11:30AM Aug 04, 2020Observed: 3.51 ft at 11:45AM Aug 04, 2020Observed: 3.49 ft at 12:00PM Aug 04, 2020Observed: 3.5 ft at 12:15PM Aug 04, 2020Observed: 3.48 ft at 12:30PM Aug 04, 2020Observed: 3.5 ft at 12:45PM Aug 04, 2020Observed: 3.49 ft at 1:00PM Aug 04, 2020Observed: 3.5 ft at 1:15PM Aug 04, 2020Observed: 3.48 ft at 1:30PM Aug 04, 2020Observed: 3.49 ft at 1:45PM Aug 04, 2020Observed: 3.47 ft at 2:00PM Aug 04, 2020Observed: 3.48 ft at 2:15PM Aug 04, 2020Observed: 3.49 ft at 2:30PM Aug 04, 2020Observed: 3.49 ft at 2:45PM Aug 04, 2020Observed: 3.48 ft at 3:00PM Aug 04, 2020Observed: 3.47 ft at 3:15PM Aug 04, 2020Observed: 3.47 ft at 3:30PM Aug 04, 2020Observed: 3.46 ft at 3:45PM Aug 04, 2020Observed: 3.46 ft at 4:00PM Aug 04, 2020Observed: 3.46 ft at 4:15PM Aug 04, 2020Observed: 3.47 ft at 4:30PM Aug 04, 2020Observed: 3.46 ft at 4:45PM Aug 04, 2020Observed: 3.46 ft at 5:00PM Aug 04, 2020Observed: 3.47 ft at 5:15PM Aug 04, 2020Observed: 3.47 ft at 5:30PM Aug 04, 2020Observed: 3.47 ft at 5:31PM Aug 04, 2020Observed: 3.47 ft at 5:45PM Aug 04, 2020Observed: 3.47 ft at 5:46PM Aug 04, 2020Observed: 3.47 ft at 6:00PM Aug 04, 2020Observed: 3.47 ft at 6:01PM Aug 04, 2020Observed: 3.46 ft at 6:15PM Aug 04, 2020Observed: 3.46 ft at 6:30PM Aug 04, 2020Observed: 3.47 ft at 6:45PM Aug 04, 2020Observed: 3.46 ft at 7:00PM Aug 04, 2020Observed: 3.45 ft at 7:15PM Aug 04, 2020Observed: 3.47 ft at 7:30PM Aug 04, 2020Observed: 3.46 ft at 7:45PM Aug 04, 2020Observed: 3.46 ft at 8:00PM Aug 04, 2020Observed: 3.45 ft at 8:15PM Aug 04, 2020Observed: 3.45 ft at 8:30PM Aug 04, 2020Observed: 3.46 ft at 8:45PM Aug 04, 2020Observed: 3.46 ft at 9:00PM Aug 04, 2020Observed: 3.44 ft at 9:15PM Aug 04, 2020Observed: 3.46 ft at 9:30PM Aug 04, 2020Observed: 3.45 ft at 9:45PM Aug 04, 2020Observed: 3.45 ft at 10:00PM Aug 04, 2020Observed: 3.45 ft at 10:15PM Aug 04, 2020Observed: 3.44 ft at 10:30PM Aug 04, 2020Observed: 3.44 ft at 10:45PM Aug 04, 2020Observed: 3.44 ft at 11:00PM Aug 04, 2020Observed: 3.45 ft at 11:15PM Aug 04, 2020Observed: 3.45 ft at 11:30PM Aug 04, 2020Observed: 3.43 ft at 11:45PM Aug 04, 2020Observed: 3.42 ft at 12:00AM Aug 05, 2020Observed: 3.46 ft at 12:15AM Aug 05, 2020Observed: 3.46 ft at 12:30AM Aug 05, 2020Observed: 3.43 ft at 12:45AM Aug 05, 2020Observed: 3.43 ft at 1:00AM Aug 05, 2020Observed: 3.44 ft at 1:15AM Aug 05, 2020Observed: 3.44 ft at 1:30AM Aug 05, 2020Observed: 3.45 ft at 1:45AM Aug 05, 2020Observed: 3.45 ft at 1:46AM Aug 05, 2020Observed: 3.42 ft at 2:00AM Aug 05, 2020Observed: 3.42 ft at 2:01AM Aug 05, 2020Observed: 3.41 ft at 2:15AM Aug 05, 2020Observed: 3.41 ft at 2:16AM Aug 05, 2020Observed: 3.41 ft at 2:30AM Aug 05, 2020Observed: 3.43 ft at 2:45AM Aug 05, 2020Observed: 3.42 ft at 3:00AM Aug 05, 2020Observed: 3.41 ft at 3:15AM Aug 05, 2020Observed: 3.42 ft at 3:30AM Aug 05, 2020Observed: 3.42 ft at 3:45AM Aug 05, 2020Observed: 3.41 ft at 4:00AM Aug 05, 2020Observed: 3.43 ft at 4:15AM Aug 05, 2020Observed: 3.44 ft at 4:30AM Aug 05, 2020Observed: 3.43 ft at 4:45AM Aug 05, 2020Observed: 3.42 ft at 5:00AM Aug 05, 2020Observed: 3.41 ft at 5:15AM Aug 05, 2020Observed: 3.43 ft at 5:30AM Aug 05, 2020Observed: 3.42 ft at 5:45AM Aug 05, 2020Observed: 3.42 ft at 6:00AM Aug 05, 2020Observed: 3.43 ft at 6:15AM Aug 05, 2020Observed: 3.43 ft at 6:30AM Aug 05, 2020Observed: 3.43 ft at 6:45AM Aug 05, 2020Observed: 3.43 ft at 7:00AM Aug 05, 2020Observed: 3.41 ft at 7:15AM Aug 05, 2020Observed: 3.42 ft at 7:30AM Aug 05, 2020Observed: 3.43 ft at 7:45AM Aug 05, 2020Observed: 3.42 ft at 8:00AM Aug 05, 2020Observed: 3.41 ft at 8:15AM Aug 05, 2020Observed: 3.4 ft at 8:30AM Aug 05, 2020Observed: 3.41 ft at 8:45AM Aug 05, 2020Observed: 3.42 ft at 9:00AM Aug 05, 2020Observed: 3.41 ft at 9:15AM Aug 05, 2020Observed: 3.4 ft at 9:30AM Aug 05, 2020Observed: 3.43 ft at 9:45AM Aug 05, 2020Observed: 3.41 ft at 10:00AM Aug 05, 2020Observed: 3.42 ft at 10:15AM Aug 05, 2020Observed: 3.41 ft at 10:30AM Aug 05, 2020Observed: 3.42 ft at 10:45AM Aug 05, 2020Observed: 3.4 ft at 11:00AM Aug 05, 2020Observed: 3.41 ft at 11:15AM Aug 05, 2020Observed: 3.39 ft at 11:30AM Aug 05, 2020Observed: 3.42 ft at 11:45AM Aug 05, 2020Observed: 3.41 ft at 12:00PM Aug 05, 2020Observed: 3.4 ft at 12:15PM Aug 05, 2020Observed: 3.42 ft at 12:30PM Aug 05, 2020Observed: 3.41 ft at 12:45PM Aug 05, 2020Observed: 3.39 ft at 1:00PM Aug 05, 2020Observed: 3.39 ft at 1:15PM Aug 05, 2020Observed: 3.38 ft at 1:30PM Aug 05, 2020Observed: 3.38 ft at 1:45PM Aug 05, 2020Observed: 3.39 ft at 2:00PM Aug 05, 2020Observed: 3.39 ft at 2:15PM Aug 05, 2020Observed: 3.4 ft at 2:30PM Aug 05, 2020Observed: 3.41 ft at 2:45PM Aug 05, 2020Observed: 3.4 ft at 3:00PM Aug 05, 2020Observed: 3.4 ft at 3:15PM Aug 05, 2020Observed: 3.39 ft at 3:30PM Aug 05, 2020Observed: 3.41 ft at 3:45PM Aug 05, 2020Observed: 3.39 ft at 4:00PM Aug 05, 2020Observed: 3.41 ft at 4:15PM Aug 05, 2020Observed: 3.41 ft at 4:30PM Aug 05, 2020Observed: 3.39 ft at 4:45PM Aug 05, 2020Observed: 3.39 ft at 5:00PM Aug 05, 2020Observed: 3.42 ft at 5:15PM Aug 05, 2020Observed: 3.41 ft at 5:30PM Aug 05, 2020Observed: 3.39 ft at 5:45PM Aug 05, 2020Observed: 3.39 ft at 5:46PM Aug 05, 2020Observed: 3.4 ft at 6:00PM Aug 05, 2020Observed: 3.4 ft at 6:01PM Aug 05, 2020Observed: 3.41 ft at 6:15PM Aug 05, 2020Observed: 3.41 ft at 6:16PM Aug 05, 2020Observed: 3.38 ft at 6:30PM Aug 05, 2020Observed: 3.4 ft at 6:45PM Aug 05, 2020Observed: 3.38 ft at 7:00PM Aug 05, 2020Observed: 3.41 ft at 7:15PM Aug 05, 2020Observed: 3.41 ft at 7:30PM Aug 05, 2020Observed: 3.4 ft at 7:45PM Aug 05, 2020Observed: 3.37 ft at 8:00PM Aug 05, 2020Observed: 3.38 ft at 8:15PM Aug 05, 2020Observed: 3.39 ft at 8:30PM Aug 05, 2020Observed: 3.4 ft at 8:45PM Aug 05, 2020Observed: 3.4 ft at 9:00PM Aug 05, 2020Observed: 3.39 ft at 9:15PM Aug 05, 2020Observed: 3.39 ft at 9:30PM Aug 05, 2020Observed: 3.39 ft at 9:45PM Aug 05, 2020Observed: 3.4 ft at 10:00PM Aug 05, 2020Observed: 3.38 ft at 10:15PM Aug 05, 2020Observed: 3.39 ft at 10:30PM Aug 05, 2020Observed: 3.38 ft at 10:45PM Aug 05, 2020Observed: 3.37 ft at 11:00PM Aug 05, 2020Observed: 3.37 ft at 11:15PM Aug 05, 2020Observed: 3.38 ft at 11:30PM Aug 05, 2020Observed: 3.38 ft at 11:45PM Aug 05, 2020Observed: 3.38 ft at 12:00AM Aug 06, 2020Observed: 3.38 ft at 12:15AM Aug 06, 2020Observed: 3.37 ft at 12:30AM Aug 06, 2020Observed: 3.38 ft at 12:45AM Aug 06, 2020Observed: 3.36 ft at 1:00AM Aug 06, 2020Observed: 3.37 ft at 1:15AM Aug 06, 2020Observed: 3.38 ft at 1:30AM Aug 06, 2020Observed: 3.35 ft at 1:45AM Aug 06, 2020Observed: 3.35 ft at 1:46AM Aug 06, 2020Observed: 3.37 ft at 2:00AM Aug 06, 2020Observed: 3.37 ft at 2:01AM Aug 06, 2020Observed: 3.36 ft at 2:15AM Aug 06, 2020Observed: 3.36 ft at 2:16AM Aug 06, 2020Observed: 3.38 ft at 2:30AM Aug 06, 2020Observed: 3.37 ft at 2:45AM Aug 06, 2020Observed: 3.37 ft at 3:00AM Aug 06, 2020Observed: 3.37 ft at 3:15AM Aug 06, 2020Observed: 3.35 ft at 3:30AM Aug 06, 2020Observed: 3.37 ft at 3:45AM Aug 06, 2020Observed: 3.37 ft at 4:00AM Aug 06, 2020Observed: 3.37 ft at 4:15AM Aug 06, 2020Observed: 3.37 ft at 4:30AM Aug 06, 2020Observed: 3.37 ft at 4:45AM Aug 06, 2020Observed: 3.37 ft at 5:00AM Aug 06, 2020Observed: 3.36 ft at 5:15AM Aug 06, 2020Observed: 3.37 ft at 5:30AM Aug 06, 2020Observed: 3.35 ft at 5:45AM Aug 06, 2020Observed: 3.34 ft at 6:00AM Aug 06, 2020Observed: 3.35 ft at 6:15AM Aug 06, 2020Observed: 3.35 ft at 6:30AM Aug 06, 2020Observed: 3.36 ft at 6:45AM Aug 06, 2020Observed: 3.34 ft at 7:00AM Aug 06, 2020Observed: 3.36 ft at 7:15AM Aug 06, 2020Observed: 3.35 ft at 7:30AM Aug 06, 2020Observed: 3.36 ft at 7:45AM Aug 06, 2020Observed: 3.34 ft at 8:00AM Aug 06, 2020Observed: 3.36 ft at 8:15AM Aug 06, 2020Observed: 3.35 ft at 8:30AM Aug 06, 2020Observed: 3.35 ft at 8:45AM Aug 06, 2020Observed: 3.35 ft at 9:00AM Aug 06, 2020Observed: 3.34 ft at 9:15AM Aug 06, 2020Observed: 3.34 ft at 9:30AM Aug 06, 2020Observed: 3.36 ft at 9:45AM Aug 06, 2020Observed: 3.36 ft at 9:46AM Aug 06, 2020Observed: 3.35 ft at 10:00AM Aug 06, 2020Observed: 3.35 ft at 10:01AM Aug 06, 2020Observed: 3.35 ft at 10:15AM Aug 06, 2020Observed: 3.35 ft at 10:16AM Aug 06, 2020Observed: 3.34 ft at 10:30AM Aug 06, 2020Observed: 3.34 ft at 10:45AM Aug 06, 2020Observed: 3.34 ft at 11:00AM Aug 06, 2020Observed: 3.35 ft at 11:15AM Aug 06, 2020Observed: 3.35 ft at 11:30AM Aug 06, 2020Observed: 3.33 ft at 11:45AM Aug 06, 2020Observed: 3.34 ft at 12:00PM Aug 06, 2020Observed: 3.34 ft at 12:15PM Aug 06, 2020Observed: 3.34 ft at 12:30PM Aug 06, 2020Observed: 3.33 ft at 12:45PM Aug 06, 2020Observed: 3.33 ft at 1:00PM Aug 06, 2020Observed: 3.35 ft at 1:15PM Aug 06, 2020Observed: 3.33 ft at 1:30PM Aug 06, 2020Observed: 3.34 ft at 1:45PM Aug 06, 2020Observed: 3.34 ft at 2:00PM Aug 06, 2020Observed: 3.33 ft at 2:15PM Aug 06, 2020Observed: 3.35 ft at 2:30PM Aug 06, 2020Observed: 3.35 ft at 2:45PM Aug 06, 2020Observed: 3.34 ft at 3:00PM Aug 06, 2020Observed: 3.33 ft at 3:15PM Aug 06, 2020Observed: 3.35 ft at 3:30PM Aug 06, 2020Observed: 3.35 ft at 3:45PM Aug 06, 2020Observed: 3.33 ft at 4:00PM Aug 06, 2020Observed: 3.34 ft at 4:15PM Aug 06, 2020Observed: 3.33 ft at 4:30PM Aug 06, 2020Observed: 3.33 ft at 4:45PM Aug 06, 2020Observed: 3.32 ft at 5:46PM Aug 06, 2020Observed: 3.33 ft at 6:00PM Aug 06, 2020Observed: 3.33 ft at 6:01PM Aug 06, 2020Observed: 3.34 ft at 6:15PM Aug 06, 2020Observed: 3.34 ft at 6:16PM Aug 06, 2020Observed: 3.32 ft at 6:30PM Aug 06, 2020Observed: 3.32 ft at 6:45PM Aug 06, 2020Observed: 3.32 ft at 7:00PM Aug 06, 2020Observed: 3.31 ft at 7:15PM Aug 06, 2020Observed: 3.34 ft at 7:30PM Aug 06, 2020Observed: 3.32 ft at 7:45PM Aug 06, 2020Observed: 3.34 ft at 8:00PM Aug 06, 2020Observed: 3.32 ft at 8:15PM Aug 06, 2020Observed: 3.32 ft at 8:30PM Aug 06, 2020Observed: 3.33 ft at 8:45PM Aug 06, 2020Observed: 3.32 ft at 9:00PM Aug 06, 2020Observed: 3.32 ft at 9:15PM Aug 06, 2020Observed: 3.32 ft at 9:30PM Aug 06, 2020Observed: 3.33 ft at 9:45PM Aug 06, 2020Observed: 3.32 ft at 10:00PM Aug 06, 2020Observed: 3.33 ft at 10:15PM Aug 06, 2020Observed: 3.31 ft at 10:30PM Aug 06, 2020Observed: 3.33 ft at 10:45PM Aug 06, 2020Observed: 3.31 ft at 11:00PM Aug 06, 2020Observed: 3.33 ft at 11:15PM Aug 06, 2020Observed: 3.32 ft at 11:30PM Aug 06, 2020Observed: 3.31 ft at 11:45PM Aug 06, 2020Observed: 3.33 ft at 12:00AM Aug 07, 2020Observed: 3.32 ft at 12:15AM Aug 07, 2020Observed: 3.33 ft at 12:30AM Aug 07, 2020Observed: 3.33 ft at 12:45AM Aug 07, 2020Observed: 3.33 ft at 1:00AM Aug 07, 2020Observed: 3.33 ft at 1:15AM Aug 07, 2020Observed: 3.31 ft at 1:30AM Aug 07, 2020Observed: 3.32 ft at 1:45AM Aug 07, 2020Observed: 3.32 ft at 1:46AM Aug 07, 2020Observed: 3.32 ft at 2:00AM Aug 07, 2020Observed: 3.32 ft at 2:01AM Aug 07, 2020Observed: 3.32 ft at 2:15AM Aug 07, 2020Observed: 3.32 ft at 2:16AM Aug 07, 2020Observed: 3.33 ft at 2:30AM Aug 07, 2020Observed: 3.32 ft at 2:45AM Aug 07, 2020Observed: 3.32 ft at 3:00AM Aug 07, 2020Observed: 3.32 ft at 3:15AM Aug 07, 2020Observed: 3.32 ft at 3:30AM Aug 07, 2020Observed: 3.31 ft at 3:45AM Aug 07, 2020Observed: 3.32 ft at 4:00AM Aug 07, 2020Observed: 3.33 ft at 4:15AM Aug 07, 2020Observed: 3.32 ft at 4:30AM Aug 07, 2020Observed: 3.32 ft at 4:45AM Aug 07, 2020Observed: 3.31 ft at 5:00AM Aug 07, 2020Observed: 3.31 ft at 5:15AM Aug 07, 2020Observed: 3.33 ft at 5:30AM Aug 07, 2020Observed: 3.32 ft at 5:45AM Aug 07, 2020Observed: 3.32 ft at 6:00AM Aug 07, 2020Observed: 3.33 ft at 6:15AM Aug 07, 2020Observed: 3.31 ft at 6:30AM Aug 07, 2020Observed: 3.31 ft at 6:45AM Aug 07, 2020Observed: 3.33 ft at 7:00AM Aug 07, 2020Observed: 3.34 ft at 7:15AM Aug 07, 2020Observed: 3.35 ft at 7:30AM Aug 07, 2020Observed: 3.34 ft at 7:45AM Aug 07, 2020Observed: 3.35 ft at 8:00AM Aug 07, 2020Observed: 3.35 ft at 8:15AM Aug 07, 2020Observed: 3.34 ft at 8:30AM Aug 07, 2020Observed: 3.32 ft at 8:45AM Aug 07, 2020Observed: 3.32 ft at 9:00AM Aug 07, 2020Observed: 3.33 ft at 9:15AM Aug 07, 2020Observed: 3.33 ft at 9:30AM Aug 07, 2020Observed: 3.33 ft at 9:45AM Aug 07, 2020Observed: 3.33 ft at 9:46AM Aug 07, 2020Observed: 3.32 ft at 10:00AM Aug 07, 2020Observed: 3.32 ft at 10:01AM Aug 07, 2020Observed: 3.34 ft at 10:15AM Aug 07, 2020Observed: 3.34 ft at 10:16AM Aug 07, 2020Observed: 3.31 ft at 10:30AM Aug 07, 2020Observed: 3.32 ft at 10:45AM Aug 07, 2020Observed: 3.31 ft at 11:00AM Aug 07, 2020Observed: 3.32 ft at 11:15AM Aug 07, 2020Observed: 3.32 ft at 11:30AM Aug 07, 2020Observed: 3.32 ft at 11:45AM Aug 07, 2020Observed: 3.32 ft at 12:00PM Aug 07, 2020Observed: 3.3 ft at 12:15PM Aug 07, 2020Observed: 3.31 ft at 12:30PM Aug 07, 2020Observed: 3.31 ft at 12:45PM Aug 07, 2020Observed: 3.31 ft at 1:00PM Aug 07, 2020Observed: 3.31 ft at 1:15PM Aug 07, 2020Observed: 3.34 ft at 1:30PM Aug 07, 2020Observed: 3.31 ft at 1:45PM Aug 07, 2020Observed: 3.32 ft at 2:00PM Aug 07, 2020Observed: 3.32 ft at 2:15PM Aug 07, 2020Observed: 3.33 ft at 2:30PM Aug 07, 2020Observed: 3.34 ft at 2:45PM Aug 07, 2020Observed: 3.33 ft at 3:00PM Aug 07, 2020Observed: 3.33 ft at 3:15PM Aug 07, 2020Observed: 3.32 ft at 3:30PM Aug 07, 2020Observed: 3.31 ft at 3:45PM Aug 07, 2020Observed: 3.33 ft at 4:00PM Aug 07, 2020Observed: 3.32 ft at 4:15PM Aug 07, 2020Observed: 3.3 ft at 4:30PM Aug 07, 2020Observed: 3.33 ft at 4:45PM Aug 07, 2020Observed: 3.3 ft at 5:00PM Aug 07, 2020Observed: 3.32 ft at 5:15PM Aug 07, 2020Observed: 3.3 ft at 5:30PM Aug 07, 2020Observed: 3.32 ft at 5:45PM Aug 07, 2020Observed: 3.32 ft at 5:46PM Aug 07, 2020Observed: 3.3 ft at 6:00PM Aug 07, 2020Observed: 3.3 ft at 6:01PM Aug 07, 2020Observed: 3.31 ft at 6:15PM Aug 07, 2020Observed: 3.31 ft at 6:16PM Aug 07, 2020Observed: 3.3 ft at 6:30PM Aug 07, 2020Observed: 3.32 ft at 6:45PM Aug 07, 2020Observed: 3.32 ft at 7:00PM Aug 07, 2020Observed: 3.32 ft at 7:15PM Aug 07, 2020Observed: 3.32 ft at 7:30PM Aug 07, 2020Observed: 3.32 ft at 7:45PM Aug 07, 2020Observed: 3.32 ft at 8:00PM Aug 07, 2020Observed: 3.32 ft at 8:15PM Aug 07, 2020Observed: 3.32 ft at 8:30PM Aug 07, 2020Observed: 3.31 ft at 8:45PM Aug 07, 2020Observed: 3.32 ft at 9:00PM Aug 07, 2020Observed: 3.33 ft at 9:15PM Aug 07, 2020Observed: 3.31 ft at 9:30PM Aug 07, 2020Observed: 3.33 ft at 9:45PM Aug 07, 2020Observed: 3.32 ft at 10:00PM Aug 07, 2020Observed: 3.32 ft at 10:15PM Aug 07, 2020Observed: 3.33 ft at 10:30PM Aug 07, 2020Observed: 3.33 ft at 10:45PM Aug 07, 2020Observed: 3.33 ft at 11:00PM Aug 07, 2020Observed: 3.33 ft at 11:15PM Aug 07, 2020Observed: 3.31 ft at 11:30PM Aug 07, 2020Observed: 3.32 ft at 11:45PM Aug 07, 2020Observed: 3.31 ft at 12:00AM Aug 08, 2020Observed: 3.31 ft at 12:15AM Aug 08, 2020Observed: 3.31 ft at 12:30AM Aug 08, 2020Observed: 3.32 ft at 12:45AM Aug 08, 2020Observed: 3.31 ft at 1:00AM Aug 08, 2020Observed: 3.3 ft at 1:15AM Aug 08, 2020Observed: 3.3 ft at 1:30AM Aug 08, 2020Observed: 3.31 ft at 1:45AM Aug 08, 2020Observed: 3.31 ft at 1:46AM Aug 08, 2020Observed: 3.32 ft at 2:00AM Aug 08, 2020Observed: 3.32 ft at 2:01AM Aug 08, 2020Observed: 3.31 ft at 2:15AM Aug 08, 2020Observed: 3.31 ft at 2:16AM Aug 08, 2020Observed: 3.3 ft at 2:30AM Aug 08, 2020Observed: 3.31 ft at 2:45AM Aug 08, 2020Observed: 3.3 ft at 3:00AM Aug 08, 2020Observed: 3.31 ft at 3:15AM Aug 08, 2020Observed: 3.31 ft at 3:30AM Aug 08, 2020Observed: 3.29 ft at 3:45AM Aug 08, 2020Observed: 3.29 ft at 4:00AM Aug 08, 2020Observed: 3.3 ft at 4:15AM Aug 08, 2020Observed: 3.31 ft at 4:30AM Aug 08, 2020Observed: 3.3 ft at 4:45AM Aug 08, 2020Observed: 3.31 ft at 5:00AM Aug 08, 2020Observed: 3.3 ft at 5:15AM Aug 08, 2020Observed: 3.3 ft at 5:30AM Aug 08, 2020Observed: 3.32 ft at 5:45AM Aug 08, 2020Observed: 3.3 ft at 6:00AM Aug 08, 2020Observed: 3.3 ft at 6:15AM Aug 08, 2020Observed: 3.3 ft at 6:30AM Aug 08, 2020Observed: 3.3 ft at 6:45AM Aug 08, 2020Observed: 3.31 ft at 7:00AM Aug 08, 2020Observed: 3.3 ft at 7:15AM Aug 08, 2020Observed: 3.31 ft at 7:30AM Aug 08, 2020Observed: 3.29 ft at 7:45AM Aug 08, 2020Observed: 3.31 ft at 8:00AM Aug 08, 2020Observed: 3.32 ft at 8:15AM Aug 08, 2020Observed: 3.32 ft at 8:30AM Aug 08, 2020Observed: 3.31 ft at 8:45AM Aug 08, 2020Observed: 3.3 ft at 9:00AM Aug 08, 2020Observed: 3.3 ft at 9:15AM Aug 08, 2020Observed: 3.31 ft at 9:30AM Aug 08, 2020Observed: 3.3 ft at 9:45AM Aug 08, 2020Observed: 3.31 ft at 10:00AM Aug 08, 2020Observed: 3.31 ft at 10:01AM Aug 08, 2020Observed: 3.3 ft at 10:15AM Aug 08, 2020Observed: 3.3 ft at 10:16AM Aug 08, 2020Observed: 3.3 ft at 10:30AM Aug 08, 2020Observed: 3.3 ft at 10:31AM Aug 08, 2020Observed: 3.31 ft at 10:45AM Aug 08, 2020Observed: 3.29 ft at 11:00AM Aug 08, 2020Observed: 3.31 ft at 11:15AM Aug 08, 2020Observed: 3.31 ft at 11:30AM Aug 08, 2020Observed: 3.3 ft at 11:45AM Aug 08, 2020Observed: 3.3 ft at 12:00PM Aug 08, 2020Observed: 3.29 ft at 12:15PM Aug 08, 2020Observed: 3.3 ft at 12:30PM Aug 08, 2020Observed: 3.3 ft at 12:45PM Aug 08, 2020Observed: 3.3 ft at 1:00PM Aug 08, 2020Observed: 3.31 ft at 1:15PM Aug 08, 2020Observed: 3.32 ft at 1:30PM Aug 08, 2020Observed: 3.32 ft at 1:45PM Aug 08, 2020Observed: 3.3 ft at 2:00PM Aug 08, 2020Observed: 3.31 ft at 2:15PM Aug 08, 2020Observed: 3.3 ft at 2:30PM Aug 08, 2020Observed: 3.29 ft at 2:45PM Aug 08, 2020Observed: 3.31 ft at 3:00PM Aug 08, 2020Observed: 3.29 ft at 3:15PM Aug 08, 2020Observed: 3.3 ft at 3:30PM Aug 08, 2020Observed: 3.31 ft at 3:45PM Aug 08, 2020Observed: 3.31 ft at 4:00PM Aug 08, 2020Observed: 3.3 ft at 4:15PM Aug 08, 2020Observed: 3.3 ft at 4:30PM Aug 08, 2020Observed: 3.28 ft at 4:45PM Aug 08, 2020Observed: 3.29 ft at 5:00PM Aug 08, 2020Observed: 3.3 ft at 5:15PM Aug 08, 2020Observed: 3.28 ft at 5:30PM Aug 08, 2020Observed: 3.29 ft at 5:45PM Aug 08, 2020Observed: 3.28 ft at 6:00PM Aug 08, 2020Observed: 3.27 ft at 6:15PM Aug 08, 2020Observed: 3.29 ft at 6:30PM Aug 08, 2020Observed: 3.28 ft at 6:45PM Aug 08, 2020Observed: 3.28 ft at 7:00PM Aug 08, 2020Observed: 3.28 ft at 7:15PM Aug 08, 2020Observed: 3.28 ft at 7:30PM Aug 08, 2020Observed: 3.3 ft at 7:45PM Aug 08, 2020Observed: 3.28 ft at 8:00PM Aug 08, 2020Observed: 3.29 ft at 8:15PM Aug 08, 2020Observed: 3.29 ft at 8:30PM Aug 08, 2020Observed: 3.29 ft at 8:45PM Aug 08, 2020Observed: 3.29 ft at 9:00PM Aug 08, 2020Observed: 3.28 ft at 9:15PM Aug 08, 2020Observed: 3.29 ft at 9:30PM Aug 08, 2020Observed: 3.3 ft at 9:45PM Aug 08, 2020Observed: 3.28 ft at 10:00PM Aug 08, 2020Observed: 3.29 ft at 10:15PM Aug 08, 2020Observed: 3.29 ft at 10:30PM Aug 08, 2020Observed: 3.3 ft at 10:45PM Aug 08, 2020Observed: 3.29 ft at 11:00PM Aug 08, 2020Observed: 3.3 ft at 11:15PM Aug 08, 2020Observed: 3.3 ft at 11:30PM Aug 08, 2020Observed: 3.29 ft at 11:45PM Aug 08, 2020Observed: 3.28 ft at 12:00AM Aug 09, 2020Observed: 3.29 ft at 12:15AM Aug 09, 2020Observed: 3.3 ft at 12:30AM Aug 09, 2020Observed: 3.31 ft at 12:45AM Aug 09, 2020Observed: 3.3 ft at 1:00AM Aug 09, 2020Observed: 3.3 ft at 1:15AM Aug 09, 2020Observed: 3.3 ft at 1:30AM Aug 09, 2020Observed: 3.31 ft at 1:45AM Aug 09, 2020Observed: 3.29 ft at 2:00AM Aug 09, 2020Observed: 3.29 ft at 2:01AM Aug 09, 2020Observed: 3.3 ft at 2:15AM Aug 09, 2020Observed: 3.3 ft at 2:16AM Aug 09, 2020Observed: 3.3 ft at 2:30AM Aug 09, 2020Observed: 3.3 ft at 2:31AM Aug 09, 2020Observed: 3.3 ft at 2:45AM Aug 09, 2020Observed: 3.3 ft at 3:00AM Aug 09, 2020Observed: 3.3 ft at 3:15AM Aug 09, 2020Observed: 3.3 ft at 3:30AM Aug 09, 2020Observed: 3.29 ft at 3:45AM Aug 09, 2020Observed: 3.31 ft at 4:00AM Aug 09, 2020Observed: 3.33 ft at 4:30AM Aug 09, 2020Observed: 3.32 ft at 4:45AM Aug 09, 2020Observed: 3.33 ft at 5:00AM Aug 09, 2020Observed: 3.33 ft at 5:15AM Aug 09, 2020Observed: 3.32 ft at 5:30AM Aug 09, 2020Observed: 3.33 ft at 5:45AM Aug 09, 2020Observed: 3.32 ft at 6:00AM Aug 09, 2020Observed: 3.33 ft at 6:15AM Aug 09, 2020Observed: 3.33 ft at 6:30AM Aug 09, 2020Observed: 3.33 ft at 6:45AM Aug 09, 2020Observed: 3.33 ft at 7:00AM Aug 09, 2020Observed: 3.33 ft at 7:15AM Aug 09, 2020Observed: 3.34 ft at 7:30AM Aug 09, 2020Observed: 3.34 ft at 7:45AM Aug 09, 2020Observed: 3.34 ft at 8:00AM Aug 09, 2020Observed: 3.34 ft at 8:15AM Aug 09, 2020Observed: 3.33 ft at 8:30AM Aug 09, 2020Observed: 3.34 ft at 8:45AM Aug 09, 2020Observed: 3.34 ft at 9:00AM Aug 09, 2020Observed: 3.33 ft at 9:15AM Aug 09, 2020Observed: 3.35 ft at 9:30AM Aug 09, 2020Observed: 3.34 ft at 9:45AM Aug 09, 2020Observed: 3.35 ft at 10:00AM Aug 09, 2020Observed: 3.35 ft at 10:01AM Aug 09, 2020Observed: 3.33 ft at 10:15AM Aug 09, 2020Observed: 3.33 ft at 10:16AM Aug 09, 2020Observed: 3.35 ft at 10:30AM Aug 09, 2020Observed: 3.35 ft at 10:31AM Aug 09, 2020Observed: 3.35 ft at 10:45AM Aug 09, 2020Observed: 3.34 ft at 11:00AM Aug 09, 2020Observed: 3.34 ft at 11:15AM Aug 09, 2020Observed: 3.34 ft at 11:30AM Aug 09, 2020Observed: 3.34 ft at 11:45AM Aug 09, 2020Observed: 3.34 ft at 12:00PM Aug 09, 2020Observed: 3.34 ft at 12:15PM Aug 09, 2020Observed: 3.32 ft at 12:30PM Aug 09, 2020Observed: 3.34 ft at 12:45PM Aug 09, 2020Observed: 3.33 ft at 1:00PM Aug 09, 2020Observed: 3.33 ft at 1:15PM Aug 09, 2020Observed: 3.33 ft at 1:30PM Aug 09, 2020Observed: 3.3 ft at 1:45PM Aug 09, 2020Observed: 3.34 ft at 2:00PM Aug 09, 2020Observed: 3.34 ft at 2:15PM Aug 09, 2020Observed: 3.33 ft at 2:30PM Aug 09, 2020Observed: 3.34 ft at 2:45PM Aug 09, 2020Observed: 3.33 ft at 3:00PM Aug 09, 2020Observed: 3.33 ft at 3:15PM Aug 09, 2020Observed: 3.33 ft at 3:30PM Aug 09, 2020Observed: 3.32 ft at 3:45PM Aug 09, 2020Observed: 3.32 ft at 4:00PM Aug 09, 2020Observed: 3.34 ft at 4:15PM Aug 09, 2020Observed: 3.34 ft at 4:30PM Aug 09, 2020Observed: 3.32 ft at 4:45PM Aug 09, 2020Observed: 3.33 ft at 6:00PM Aug 09, 2020Observed: 3.32 ft at 6:15PM Aug 09, 2020Observed: 3.34 ft at 6:30PM Aug 09, 2020Observed: 3.32 ft at 6:45PM Aug 09, 2020Observed: 3.32 ft at 7:00PM Aug 09, 2020Observed: 3.34 ft at 7:15PM Aug 09, 2020Observed: 3.33 ft at 7:30PM Aug 09, 2020Observed: 3.34 ft at 7:45PM Aug 09, 2020Observed: 3.34 ft at 8:00PM Aug 09, 2020Observed: 3.35 ft at 8:15PM Aug 09, 2020Observed: 3.34 ft at 8:30PM Aug 09, 2020Observed: 3.34 ft at 8:45PM Aug 09, 2020Observed: 3.35 ft at 9:00PM Aug 09, 2020Observed: 3.35 ft at 9:15PM Aug 09, 2020Observed: 3.35 ft at 9:30PM Aug 09, 2020Observed: 3.35 ft at 9:45PM Aug 09, 2020Observed: 3.34 ft at 10:00PM Aug 09, 2020Observed: 3.34 ft at 10:15PM Aug 09, 2020Observed: 3.35 ft at 10:30PM Aug 09, 2020Observed: 3.35 ft at 10:45PM Aug 09, 2020Observed: 3.35 ft at 11:00PM Aug 09, 2020Observed: 3.35 ft at 11:15PM Aug 09, 2020Observed: 3.36 ft at 11:30PM Aug 09, 2020Observed: 3.35 ft at 11:45PM Aug 09, 2020Observed: 3.35 ft at 12:00AM Aug 10, 2020Observed: 3.35 ft at 12:15AM Aug 10, 2020Observed: 3.36 ft at 12:30AM Aug 10, 2020Observed: 3.36 ft at 12:45AM Aug 10, 2020Observed: 3.35 ft at 1:00AM Aug 10, 2020Observed: 3.35 ft at 1:15AM Aug 10, 2020Observed: 3.35 ft at 1:30AM Aug 10, 2020Observed: 3.35 ft at 1:45AM Aug 10, 2020Observed: 3.34 ft at 2:00AM Aug 10, 2020Observed: 3.34 ft at 2:01AM Aug 10, 2020Observed: 3.35 ft at 2:15AM Aug 10, 2020Observed: 3.35 ft at 2:16AM Aug 10, 2020Observed: 3.33 ft at 2:30AM Aug 10, 2020Observed: 3.33 ft at 2:31AM Aug 10, 2020Observed: 3.36 ft at 2:45AM Aug 10, 2020Observed: 3.34 ft at 3:00AM Aug 10, 2020Observed: 3.35 ft at 3:15AM Aug 10, 2020Observed: 3.34 ft at 3:30AM Aug 10, 2020Observed: 3.35 ft at 3:45AM Aug 10, 2020Observed: 3.35 ft at 4:00AM Aug 10, 2020Observed: 3.34 ft at 4:15AM Aug 10, 2020Observed: 3.35 ft at 4:30AM Aug 10, 2020Observed: 3.34 ft at 4:45AM Aug 10, 2020Observed: 3.33 ft at 5:00AM Aug 10, 2020Observed: 3.35 ft at 5:15AM Aug 10, 2020Observed: 3.35 ft at 5:30AM Aug 10, 2020Observed: 3.34 ft at 5:45AM Aug 10, 2020Observed: 3.35 ft at 6:00AM Aug 10, 2020Observed: 3.35 ft at 6:15AM Aug 10, 2020Observed: 3.34 ft at 6:30AM Aug 10, 2020Observed: 3.35 ft at 6:45AM Aug 10, 2020Observed: 3.37 ft at 7:00AM Aug 10, 2020Observed: 3.38 ft at 7:15AM Aug 10, 2020Observed: 3.37 ft at 7:30AM Aug 10, 2020Observed: 3.37 ft at 7:45AM Aug 10, 2020Observed: 3.37 ft at 8:00AM Aug 10, 2020Observed: 3.37 ft at 8:15AM Aug 10, 2020Observed: 3.38 ft at 8:30AM Aug 10, 2020Observed: 3.39 ft at 8:45AM Aug 10, 2020Observed: 3.37 ft at 9:00AM Aug 10, 2020Observed: 3.37 ft at 9:15AM Aug 10, 2020Observed: 3.38 ft at 9:30AM Aug 10, 2020Observed: 3.39 ft at 9:45AM Aug 10, 2020Observed: 3.38 ft at 10:00AM Aug 10, 2020Observed: 3.38 ft at 10:01AM Aug 10, 2020Observed: 3.39 ft at 10:15AM Aug 10, 2020Observed: 3.39 ft at 10:16AM Aug 10, 2020Observed: 3.39 ft at 10:30AM Aug 10, 2020Observed: 3.39 ft at 10:31AM Aug 10, 2020Observed: 3.39 ft at 10:45AM Aug 10, 2020Observed: 3.39 ft at 11:00AM Aug 10, 2020Observed: 3.39 ft at 11:15AM Aug 10, 2020Observed: 3.39 ft at 11:30AM Aug 10, 2020Observed: 3.39 ft at 11:45AM Aug 10, 2020Observed: 3.39 ft at 12:00PM Aug 10, 2020Observed: 3.4 ft at 12:15PM Aug 10, 2020Observed: 3.39 ft at 12:30PM Aug 10, 2020Observed: 3.4 ft at 12:45PM Aug 10, 2020Observed: 3.4 ft at 1:00PM Aug 10, 2020Observed: 3.39 ft at 1:15PM Aug 10, 2020Observed: 3.39 ft at 1:30PM Aug 10, 2020Observed: 3.41 ft at 1:45PM Aug 10, 2020Observed: 3.41 ft at 2:00PM Aug 10, 2020Observed: 3.41 ft at 2:15PM Aug 10, 2020Observed: 3.41 ft at 2:30PM Aug 10, 2020Observed: 3.41 ft at 2:45PM Aug 10, 2020Observed: 3.4 ft at 3:00PM Aug 10, 2020Observed: 3.41 ft at 3:15PM Aug 10, 2020Observed: 3.41 ft at 3:30PM Aug 10, 2020Observed: 3.4 ft at 3:45PM Aug 10, 2020Observed: 3.41 ft at 4:00PM Aug 10, 2020Observed: 3.4 ft at 4:15PM Aug 10, 2020Observed: 3.42 ft at 4:30PM Aug 10, 2020Observed: 3.41 ft at 4:45PM Aug 10, 2020Observed: 3.41 ft at 5:00PM Aug 10, 2020Observed: 3.42 ft at 5:15PM Aug 10, 2020Observed: 3.41 ft at 5:30PM Aug 10, 2020Observed: 3.42 ft at 5:45PM Aug 10, 2020Observed: 3.42 ft at 6:00PM Aug 10, 2020Observed: 3.42 ft at 6:01PM Aug 10, 2020Observed: 3.41 ft at 6:15PM Aug 10, 2020Observed: 3.41 ft at 6:16PM Aug 10, 2020Observed: 3.42 ft at 6:30PM Aug 10, 2020Observed: 3.42 ft at 6:31PM Aug 10, 2020Observed: 3.42 ft at 6:45PM Aug 10, 2020Observed: 3.42 ft at 7:00PM Aug 10, 2020Observed: 3.42 ft at 7:15PM Aug 10, 2020Observed: 3.42 ft at 7:30PM Aug 10, 2020Observed: 3.43 ft at 7:45PM Aug 10, 2020Observed: 3.43 ft at 8:00PM Aug 10, 2020Observed: 3.42 ft at 8:15PM Aug 10, 2020Observed: 3.43 ft at 8:30PM Aug 10, 2020Observed: 3.44 ft at 8:45PM Aug 10, 2020USGS--Water Resources of the United StatesBRKS2(plotting HGIRG) Graph Created (9:03PM Aug 10, 2020)ObservedLatest observed value: 3.44 ft at 8:45 PM CDT 10-Aug-2020. Flood Stage is 9 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 near Brookings are issued as needed during times of high water, but are not routinely available.

Vertical Datum updated from NGVD29 to NAVD88 by gauge owner.

Return to Area Map
Upstream Gauge - near Medary Upstream Gauge Downstream Gauge Downstream Gauge - above Flandreau
Flood Categories (in feet)
Major Flood Stage: 12
Moderate Flood Stage: 10.5
Flood Stage: 9
Action Stage: 8
Low Stage (in feet): -9999

Historic Crests
(1) 14.77 ft on 04/09/1969
(2) 14.34 ft on 09/13/2019
(3) 13.70 ft on 06/22/1984
(4) 13.66 ft on 09/25/2010
(5) 13.50 ft on 07/04/1993
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 14.34 ft on 09/13/2019
(2) 13.11 ft on 03/22/2019 (P)
(3) 12.30 ft on 04/24/2018
(4) 7.40 ft on 05/25/2017
(5) 5.53 ft on 06/19/2016
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: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
16 the bridges on 473rd Avenue and 475th Avenue are overtopped.
14 the water reaches the bottom of the bridges on 473rd Avenue and 475th Avenue.
13 the bridge 1 mile south of Medary on 471st Avenue is overtopped.
12 475th Avenue and 222nd Street being to flood.
11.7 473rd Avenue at 221st Street begins to flood.
11 some farm outbuildings begin to flood.
10.3 473rd Avenue north of the gauge begins to flood.
10 flooding begins to affect agricultural lands along the right bank of the river.
9 significant amounts of pasture and farm lands begin flooding on the left bank of the river. The road south of the Brookings water treatment plant is flooded, as is 217th Street between 468th and 469th Avenues.
8 there is some minor overflow of the lowest banks along this stretch of the river.
Photos
(1) Upstream View
(2) Downstream View
About This Location Collapse

Latitude: 44.180278° N, Longitude: 96.749167° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 9 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 1552.78 1561.78 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
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