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Hydrograph River at a Glance Download
Reservoirs at Big Sandy Reservoir Pool (ft)Flow (kcfs)Observed: 6737.94 ft at 4:00AM Sep 22, 2020Observed: 6737.93 ft at 4:30AM Sep 22, 2020Observed: 6737.94 ft at 5:00AM Sep 22, 2020Observed: 6737.94 ft at 5:30AM Sep 22, 2020Observed: 6737.94 ft at 6:00AM Sep 22, 2020Observed: 6737.94 ft at 6:30AM Sep 22, 2020Observed: 6737.94 ft at 7:00AM Sep 22, 2020Observed: 6737.94 ft at 7:30AM Sep 22, 2020Observed: 6737.94 ft at 8:00AM Sep 22, 2020Observed: 6737.94 ft at 8:30AM Sep 22, 2020Observed: 6737.94 ft at 9:00AM Sep 22, 2020Observed: 6737.94 ft at 9:30AM Sep 22, 2020Observed: 6737.94 ft at 10:00AM Sep 22, 2020Observed: 6737.94 ft at 10:30AM Sep 22, 2020Observed: 6737.94 ft at 11:00AM Sep 22, 2020Observed: 6737.94 ft at 11:30AM Sep 22, 2020Observed: 6737.94 ft at 12:00PM Sep 22, 2020Observed: 6737.94 ft at 12:30PM Sep 22, 2020Observed: 6737.93 ft at 1:00PM Sep 22, 2020Observed: 6737.94 ft at 1:30PM Sep 22, 2020Observed: 6737.94 ft at 2:00PM Sep 22, 2020Observed: 6737.95 ft at 2:30PM Sep 22, 2020Observed: 6737.95 ft at 3:00PM Sep 22, 2020Observed: 6737.95 ft at 3:30PM Sep 22, 2020Observed: 6737.94 ft at 4:00PM Sep 22, 2020Observed: 6737.93 ft at 4:30PM Sep 22, 2020Observed: 6737.94 ft at 5:00PM Sep 22, 2020Observed: 6737.95 ft at 5:30PM Sep 22, 2020Observed: 6737.96 ft at 6:00PM Sep 22, 2020Observed: 6737.96 ft at 6:30PM Sep 22, 2020Observed: 6737.95 ft at 7:00PM Sep 22, 2020Observed: 6737.94 ft at 7:30PM Sep 22, 2020Observed: 6737.95 ft at 8:00PM Sep 22, 2020Observed: 6737.96 ft at 8:30PM Sep 22, 2020Observed: 6737.97 ft at 9:00PM Sep 22, 2020Observed: 6737.96 ft at 9:30PM Sep 22, 2020Observed: 6737.95 ft at 10:00PM Sep 22, 2020Observed: 6737.95 ft at 10:30PM Sep 22, 2020Observed: 6737.96 ft at 11:00PM Sep 22, 2020Observed: 6737.96 ft at 11:30PM Sep 22, 2020Observed: 6737.96 ft at 12:00AM Sep 23, 2020Observed: 6737.96 ft at 12:30AM Sep 23, 2020Observed: 6737.95 ft at 1:00AM Sep 23, 2020Observed: 6737.96 ft at 1:30AM Sep 23, 2020Observed: 6737.96 ft at 2:00AM Sep 23, 2020Observed: 6737.97 ft at 2:30AM Sep 23, 2020Observed: 6737.96 ft at 3:00AM Sep 23, 2020Observed: 6737.96 ft at 3:30AM Sep 23, 2020Observed: 6737.96 ft at 4:00AM Sep 23, 2020Observed: 6737.97 ft at 4:30AM Sep 23, 2020Observed: 6737.97 ft at 5:00AM Sep 23, 2020Observed: 6737.97 ft at 5:30AM Sep 23, 2020Observed: 6737.97 ft at 6:00AM Sep 23, 2020Observed: 6737.97 ft at 6:30AM Sep 23, 2020Observed: 6737.97 ft at 7:00AM Sep 23, 2020Observed: 6737.97 ft at 7:30AM Sep 23, 2020Observed: 6737.97 ft at 8:00AM Sep 23, 2020Observed: 6737.97 ft at 8:30AM Sep 23, 2020Observed: 6737.97 ft at 9:00AM Sep 23, 2020Observed: 6737.96 ft at 9:30AM Sep 23, 2020Observed: 6737.96 ft at 10:00AM Sep 23, 2020Observed: 6737.96 ft at 10:30AM Sep 23, 2020Observed: 6737.97 ft at 11:00AM Sep 23, 2020Observed: 6737.98 ft at 11:30AM Sep 23, 2020Observed: 6737.97 ft at 12:00PM Sep 23, 2020Observed: 6737.98 ft at 12:30PM Sep 23, 2020Observed: 6737.98 ft at 1:00PM Sep 23, 2020Observed: 6737.98 ft at 1:30PM Sep 23, 2020Observed: 6737.96 ft at 2:00PM Sep 23, 2020Observed: 6737.97 ft at 2:30PM Sep 23, 2020Observed: 6737.98 ft at 3:00PM Sep 23, 2020Observed: 6737.98 ft at 3:30PM Sep 23, 2020Observed: 6737.98 ft at 4:00PM Sep 23, 2020Observed: 6737.98 ft at 4:30PM Sep 23, 2020Observed: 6737.98 ft at 5:00PM Sep 23, 2020Observed: 6737.99 ft at 5:30PM Sep 23, 2020Observed: 6737.98 ft at 6:00PM Sep 23, 2020Observed: 6737.98 ft at 6:30PM Sep 23, 2020Observed: 6737.98 ft at 7:00PM Sep 23, 2020Observed: 6737.98 ft at 7:30PM Sep 23, 2020Observed: 6737.98 ft at 8:00PM Sep 23, 2020Observed: 6737.98 ft at 8:30PM Sep 23, 2020Observed: 6737.98 ft at 9:00PM Sep 23, 2020Observed: 6737.98 ft at 9:30PM Sep 23, 2020Observed: 6737.98 ft at 10:00PM Sep 23, 2020Observed: 6737.98 ft at 10:30PM Sep 23, 2020Observed: 6737.99 ft at 11:00PM Sep 23, 2020Observed: 6737.99 ft at 11:30PM Sep 23, 2020Observed: 6737.98 ft at 12:00AM Sep 24, 2020Observed: 6737.98 ft at 12:30AM Sep 24, 2020Observed: 6737.98 ft at 1:00AM Sep 24, 2020Observed: 6737.99 ft at 1:30AM Sep 24, 2020Observed: 6737.99 ft at 2:00AM Sep 24, 2020Observed: 6737.99 ft at 2:30AM Sep 24, 2020Observed: 6737.98 ft at 3:00AM Sep 24, 2020Observed: 6737.98 ft at 3:30AM Sep 24, 2020Observed: 6737.99 ft at 4:00AM Sep 24, 2020Observed: 6737.99 ft at 4:30AM Sep 24, 2020Observed: 6737.99 ft at 5:00AM Sep 24, 2020Observed: 6738 ft at 5:30AM Sep 24, 2020Observed: 6737.99 ft at 6:00AM Sep 24, 2020Observed: 6737.99 ft at 6:30AM Sep 24, 2020Observed: 6737.99 ft at 7:00AM Sep 24, 2020Observed: 6737.99 ft at 7:30AM Sep 24, 2020Observed: 6737.99 ft at 8:00AM Sep 24, 2020Observed: 6737.99 ft at 8:30AM Sep 24, 2020Observed: 6737.99 ft at 9:00AM Sep 24, 2020Observed: 6737.99 ft at 9:30AM Sep 24, 2020Observed: 6737.99 ft at 10:00AM Sep 24, 2020Observed: 6738 ft at 10:30AM Sep 24, 2020Observed: 6738 ft at 11:00AM Sep 24, 2020Observed: 6738 ft at 11:30AM Sep 24, 2020Observed: 6738 ft at 12:00PM Sep 24, 2020Observed: 6738 ft at 12:30PM Sep 24, 2020Observed: 6738 ft at 1:00PM Sep 24, 2020Observed: 6738 ft at 1:30PM Sep 24, 2020Observed: 6738 ft at 2:00PM Sep 24, 2020Observed: 6737.99 ft at 2:30PM Sep 24, 2020Observed: 6738 ft at 3:00PM Sep 24, 2020Observed: 6738.01 ft at 3:30PM Sep 24, 2020Observed: 6738.01 ft at 4:00PM Sep 24, 2020Observed: 6738.01 ft at 4:30PM Sep 24, 2020Observed: 6738 ft at 5:00PM Sep 24, 2020Observed: 6737.99 ft at 5:30PM Sep 24, 2020Observed: 6738.01 ft at 6:00PM Sep 24, 2020Observed: 6738.01 ft at 6:30PM Sep 24, 2020Observed: 6738.01 ft at 7:00PM Sep 24, 2020Observed: 6738.01 ft at 7:30PM Sep 24, 2020Observed: 6738 ft at 8:00PM Sep 24, 2020Observed: 6738 ft at 8:30PM Sep 24, 2020Observed: 6738 ft at 9:00PM Sep 24, 2020Observed: 6738 ft at 9:30PM Sep 24, 2020Observed: 6738.01 ft at 10:00PM Sep 24, 2020Observed: 6738.01 ft at 10:30PM Sep 24, 2020Observed: 6738 ft at 11:00PM Sep 24, 2020Observed: 6738 ft at 11:30PM Sep 24, 2020Observed: 6738 ft at 12:00AM Sep 25, 2020Observed: 6738.01 ft at 12:30AM Sep 25, 2020Observed: 6738.01 ft at 1:00AM Sep 25, 2020Observed: 6738.01 ft at 1:30AM Sep 25, 2020Observed: 6738 ft at 2:00AM Sep 25, 2020Observed: 6738.01 ft at 2:30AM Sep 25, 2020Observed: 6738 ft at 3:00AM Sep 25, 2020Observed: 6738.01 ft at 3:30AM Sep 25, 2020Observed: 6738 ft at 4:00AM Sep 25, 2020Observed: 6738 ft at 4:30AM Sep 25, 2020Observed: 6738 ft at 5:00AM Sep 25, 2020Observed: 6738.01 ft at 5:30AM Sep 25, 2020Observed: 6738.01 ft at 6:00AM Sep 25, 2020Observed: 6738.01 ft at 6:30AM Sep 25, 2020Observed: 6738.01 ft at 7:00AM Sep 25, 2020Observed: 6738 ft at 7:30AM Sep 25, 2020Observed: 6738.01 ft at 8:00AM Sep 25, 2020Observed: 6738 ft at 8:30AM Sep 25, 2020Observed: 6738.01 ft at 9:00AM Sep 25, 2020Observed: 6738.01 ft at 9:30AM Sep 25, 2020Observed: 6738.01 ft at 10:00AM Sep 25, 2020Observed: 6738 ft at 10:30AM Sep 25, 2020Observed: 6738.01 ft at 11:00AM Sep 25, 2020Observed: 6738.01 ft at 11:30AM Sep 25, 2020Observed: 6738.01 ft at 12:00PM Sep 25, 2020Observed: 6738.02 ft at 12:30PM Sep 25, 2020Observed: 6738.02 ft at 1:00PM Sep 25, 2020Observed: 6738.04 ft at 1:30PM Sep 25, 2020Observed: 6738.01 ft at 2:00PM Sep 25, 2020Observed: 6738.02 ft at 2:30PM Sep 25, 2020Observed: 6738.04 ft at 3:00PM Sep 25, 2020Observed: 6738.01 ft at 3:30PM Sep 25, 2020Observed: 6738.02 ft at 4:00PM Sep 25, 2020Observed: 6738.02 ft at 4:30PM Sep 25, 2020Observed: 6738.02 ft at 5:00PM Sep 25, 2020Observed: 6738.02 ft at 5:30PM Sep 25, 2020Observed: 6738.02 ft at 6:00PM Sep 25, 2020Observed: 6738.02 ft at 6:30PM Sep 25, 2020Observed: 6738.03 ft at 7:00PM Sep 25, 2020Observed: 6738.02 ft at 7:30PM Sep 25, 2020Observed: 6738.02 ft at 8:00PM Sep 25, 2020Observed: 6738.01 ft at 8:30PM Sep 25, 2020Observed: 6738.01 ft at 9:00PM Sep 25, 2020Observed: 6738.01 ft at 9:30PM Sep 25, 2020Observed: 6738.01 ft at 10:00PM Sep 25, 2020Observed: 6738.01 ft at 10:30PM Sep 25, 2020Observed: 6738.01 ft at 11:00PM Sep 25, 2020Observed: 6738.01 ft at 11:30PM Sep 25, 2020Observed: 6738.01 ft at 12:00AM Sep 26, 2020Observed: 6738.01 ft at 12:30AM Sep 26, 2020Observed: 6738.01 ft at 1:00AM Sep 26, 2020Observed: 6738.01 ft at 1:30AM Sep 26, 2020Observed: 6738.01 ft at 2:00AM Sep 26, 2020Observed: 6738.01 ft at 2:30AM Sep 26, 2020Observed: 6738.01 ft at 3:00AM Sep 26, 2020Observed: 6738.01 ft at 3:30AM Sep 26, 2020Observed: 6738.02 ft at 4:00AM Sep 26, 2020Observed: 6738.02 ft at 4:30AM Sep 26, 2020Observed: 6738.02 ft at 5:00AM Sep 26, 2020Observed: 6738.02 ft at 5:30AM Sep 26, 2020Observed: 6738.01 ft at 6:00AM Sep 26, 2020Observed: 6738.01 ft at 6:30AM Sep 26, 2020Observed: 6738.01 ft at 7:00AM Sep 26, 2020Observed: 6738 ft at 7:30AM Sep 26, 2020Observed: 6738.01 ft at 8:00AM Sep 26, 2020Observed: 6738.02 ft at 8:30AM Sep 26, 2020Observed: 6738.02 ft at 9:00AM Sep 26, 2020Observed: 6738.02 ft at 9:30AM Sep 26, 2020Observed: 6738.02 ft at 10:00AM Sep 26, 2020Observed: 6738.02 ft at 10:30AM Sep 26, 2020Observed: 6738.04 ft at 11:00AM Sep 26, 2020Observed: 6738.04 ft at 11:30AM Sep 26, 2020Observed: 6738.04 ft at 12:00PM Sep 26, 2020Observed: 6738.04 ft at 12:30PM Sep 26, 2020Observed: 6738.04 ft at 1:00PM Sep 26, 2020Observed: 6738.03 ft at 1:30PM Sep 26, 2020Observed: 6738.03 ft at 2:00PM Sep 26, 2020Observed: 6738.04 ft at 2:30PM Sep 26, 2020Highest Observation: 6738.05 ft at 3:00PM Sep 26, 2020Observed: 6738.04 ft at 3:30PM Sep 26, 2020Highest Observation: 6738.05 ft at 4:00PM Sep 26, 2020Highest Observation: 6738.05 ft at 4:30PM Sep 26, 2020Highest Observation: 6738.05 ft at 5:00PM Sep 26, 2020Observed: 6738.04 ft at 5:30PM Sep 26, 2020Observed: 6738.03 ft at 6:00PM Sep 26, 2020Observed: 6738.02 ft at 6:30PM Sep 26, 2020Observed: 6738.02 ft at 7:00PM Sep 26, 2020Observed: 6738.02 ft at 7:30PM Sep 26, 2020Observed: 6738.02 ft at 8:00PM Sep 26, 2020Observed: 6738.03 ft at 8:30PM Sep 26, 2020Observed: 6738.02 ft at 9:00PM Sep 26, 2020Observed: 6738.02 ft at 9:30PM Sep 26, 2020Observed: 6738.02 ft at 10:00PM Sep 26, 2020Observed: 6738.02 ft at 10:30PM Sep 26, 2020Observed: 6738.03 ft at 11:00PM Sep 26, 2020Observed: 6738.03 ft at 11:30PM Sep 26, 2020Observed: 6738.02 ft at 12:00AM Sep 27, 2020Observed: 6738.03 ft at 12:30AM Sep 27, 2020Observed: 6738.03 ft at 1:00AM Sep 27, 2020Observed: 6738.03 ft at 1:30AM Sep 27, 2020Observed: 6738.03 ft at 2:00AM Sep 27, 2020BIGW4(plotting HPIRG) Graph Created (3:34AM Sep 27, 2020)ObservedLatest observed value: 6738.03 ft at 2:00 AM MDT 27-Sep-2020. Flood Stage is 6769 ft
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About this graph
Tabular Data (UTC)
Tabular Data (MDT)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Forecasts are not available for the Reservoirs at Big Sandy Reservoir. Only observed stages are available for this point.
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Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 6769
Action Stage: 6762.8
Low Stage (in feet): -9999

Historic Crests
Currently none available.

Recent Crests
Currently none available.

Low Water Records
Currently none available.
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.
About This Location Collapse

Latitude: 42.249167° N, Longitude: 109.428611° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 6769 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 Not Available Not Available  
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Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Riverton Weather Forecast Office
12744 West U.S. Highway 26
Riverton, WY 82501
(307) 857-3898
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Page last modified: 1-Mar-2019 12:33 AM
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