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Hydrograph River at a Glance Download
Powder River (OR) below Mason Dam River Discharge (cfs)Stage (ft)Highest Observation: 380 cfs at 10:30PM Aug 06, 2020Highest Observation: 380 cfs at 10:45PM Aug 06, 2020Highest Observation: 380 cfs at 11:00PM Aug 06, 2020Highest Observation: 380 cfs at 11:15PM Aug 06, 2020Highest Observation: 380 cfs at 11:30PM Aug 06, 2020Highest Observation: 380 cfs at 11:45PM Aug 06, 2020Highest Observation: 380 cfs at 12:00AM Aug 07, 2020Highest Observation: 380 cfs at 12:15AM Aug 07, 2020Highest Observation: 380 cfs at 12:30AM Aug 07, 2020Highest Observation: 380 cfs at 12:45AM Aug 07, 2020Highest Observation: 380 cfs at 1:00AM Aug 07, 2020Highest Observation: 380 cfs at 1:15AM Aug 07, 2020Highest Observation: 380 cfs at 1:30AM Aug 07, 2020Highest Observation: 380 cfs at 1:45AM Aug 07, 2020Highest Observation: 380 cfs at 2:00AM Aug 07, 2020Highest Observation: 380 cfs at 2:15AM Aug 07, 2020Highest Observation: 380 cfs at 2:30AM Aug 07, 2020Highest Observation: 380 cfs at 2:45AM Aug 07, 2020Highest Observation: 380 cfs at 3:00AM Aug 07, 2020Highest Observation: 380 cfs at 3:15AM Aug 07, 2020Highest Observation: 380 cfs at 3:30AM Aug 07, 2020Highest Observation: 380 cfs at 3:45AM Aug 07, 2020Highest Observation: 380 cfs at 4:00AM Aug 07, 2020Highest Observation: 380 cfs at 4:15AM Aug 07, 2020Highest Observation: 380 cfs at 4:30AM Aug 07, 2020Highest Observation: 380 cfs at 4:45AM Aug 07, 2020Highest Observation: 380 cfs at 5:00AM Aug 07, 2020Highest Observation: 380 cfs at 5:15AM Aug 07, 2020Observed: 376 cfs at 5:30AM Aug 07, 2020Highest Observation: 380 cfs at 5:45AM Aug 07, 2020Highest Observation: 380 cfs at 6:00AM Aug 07, 2020Highest Observation: 380 cfs at 6:15AM Aug 07, 2020Highest Observation: 380 cfs at 6:30AM Aug 07, 2020Highest Observation: 380 cfs at 6:45AM Aug 07, 2020Highest Observation: 380 cfs at 7:00AM Aug 07, 2020Highest Observation: 380 cfs at 7:15AM Aug 07, 2020Highest Observation: 380 cfs at 7:30AM Aug 07, 2020Highest Observation: 380 cfs at 7:45AM Aug 07, 2020Highest Observation: 380 cfs at 8:00AM Aug 07, 2020Highest Observation: 380 cfs at 8:15AM Aug 07, 2020Highest Observation: 380 cfs at 8:30AM Aug 07, 2020Highest Observation: 380 cfs at 8:45AM Aug 07, 2020Highest Observation: 380 cfs at 9:00AM Aug 07, 2020Highest Observation: 380 cfs at 9:15AM Aug 07, 2020Highest Observation: 380 cfs at 9:30AM Aug 07, 2020Observed: 376 cfs at 9:45AM Aug 07, 2020Highest Observation: 380 cfs at 10:00AM Aug 07, 2020Highest Observation: 380 cfs at 10:15AM Aug 07, 2020Observed: 376 cfs at 10:30AM Aug 07, 2020Highest Observation: 380 cfs at 10:45AM Aug 07, 2020Highest Observation: 380 cfs at 11:00AM Aug 07, 2020Highest Observation: 380 cfs at 11:15AM Aug 07, 2020Highest Observation: 380 cfs at 11:30AM Aug 07, 2020Highest Observation: 380 cfs at 11:45AM Aug 07, 2020Observed: 376 cfs at 12:00PM Aug 07, 2020Highest Observation: 380 cfs at 12:15PM Aug 07, 2020Observed: 376 cfs at 12:30PM Aug 07, 2020Highest Observation: 380 cfs at 12:45PM Aug 07, 2020Highest Observation: 380 cfs at 1:00PM Aug 07, 2020Highest Observation: 380 cfs at 1:15PM Aug 07, 2020Highest Observation: 380 cfs at 1:30PM Aug 07, 2020Highest Observation: 380 cfs at 1:45PM Aug 07, 2020Observed: 376 cfs at 2:00PM Aug 07, 2020Highest Observation: 380 cfs at 2:15PM Aug 07, 2020Observed: 376 cfs at 2:30PM Aug 07, 2020Highest Observation: 380 cfs at 2:45PM Aug 07, 2020Highest Observation: 380 cfs at 3:00PM Aug 07, 2020Highest Observation: 380 cfs at 3:15PM Aug 07, 2020Highest Observation: 380 cfs at 3:30PM Aug 07, 2020Highest Observation: 380 cfs at 3:45PM Aug 07, 2020Highest Observation: 380 cfs at 4:00PM Aug 07, 2020Highest Observation: 380 cfs at 4:15PM Aug 07, 2020Highest Observation: 380 cfs at 4:30PM Aug 07, 2020Observed: 376 cfs at 4:45PM Aug 07, 2020Highest Observation: 380 cfs at 5:00PM Aug 07, 2020Observed: 376 cfs at 5:15PM Aug 07, 2020Highest Observation: 380 cfs at 5:30PM Aug 07, 2020Observed: 376 cfs at 5:45PM Aug 07, 2020Observed: 376 cfs at 6:00PM Aug 07, 2020Observed: 376 cfs at 6:15PM Aug 07, 2020Highest Observation: 380 cfs at 6:30PM Aug 07, 2020Highest Observation: 380 cfs at 6:45PM Aug 07, 2020Highest Observation: 380 cfs at 7:00PM Aug 07, 2020Highest Observation: 380 cfs at 7:15PM Aug 07, 2020Highest Observation: 380 cfs at 7:30PM Aug 07, 2020Highest Observation: 380 cfs at 7:45PM Aug 07, 2020Observed: 376 cfs at 8:00PM Aug 07, 2020Observed: 376 cfs at 8:15PM Aug 07, 2020Observed: 376 cfs at 8:30PM Aug 07, 2020Observed: 376 cfs at 8:45PM Aug 07, 2020Observed: 376 cfs at 9:00PM Aug 07, 2020Highest Observation: 380 cfs at 9:15PM Aug 07, 2020Highest Observation: 380 cfs at 9:30PM Aug 07, 2020Highest Observation: 380 cfs at 9:45PM Aug 07, 2020Highest Observation: 380 cfs at 10:00PM Aug 07, 2020Highest Observation: 380 cfs at 10:15PM Aug 07, 2020Observed: 376 cfs at 10:30PM Aug 07, 2020Observed: 376 cfs at 10:45PM Aug 07, 2020Observed: 376 cfs at 11:00PM Aug 07, 2020Observed: 376 cfs at 11:15PM Aug 07, 2020Highest Observation: 380 cfs at 11:30PM Aug 07, 2020Observed: 376 cfs at 11:45PM Aug 07, 2020Highest Observation: 380 cfs at 12:00AM Aug 08, 2020Highest Observation: 380 cfs at 12:15AM Aug 08, 2020Highest Observation: 380 cfs at 12:30AM Aug 08, 2020Observed: 376 cfs at 12:45AM Aug 08, 2020Observed: 376 cfs at 1:00AM Aug 08, 2020Highest Observation: 380 cfs at 1:15AM Aug 08, 2020Highest Observation: 380 cfs at 1:30AM Aug 08, 2020Observed: 376 cfs at 1:45AM Aug 08, 2020Highest Observation: 380 cfs at 2:00AM Aug 08, 2020Observed: 376 cfs at 2:15AM Aug 08, 2020Highest Observation: 380 cfs at 2:30AM Aug 08, 2020Highest Observation: 380 cfs at 2:45AM Aug 08, 2020Highest Observation: 380 cfs at 3:00AM Aug 08, 2020Observed: 376 cfs at 3:15AM Aug 08, 2020Highest Observation: 380 cfs at 3:30AM Aug 08, 2020Highest Observation: 380 cfs at 3:45AM Aug 08, 2020Highest Observation: 380 cfs at 4:00AM Aug 08, 2020Highest Observation: 380 cfs at 4:15AM Aug 08, 2020Highest Observation: 380 cfs at 4:30AM Aug 08, 2020Observed: 376 cfs at 4:45AM Aug 08, 2020Observed: 376 cfs at 5:00AM Aug 08, 2020Highest Observation: 380 cfs at 5:15AM Aug 08, 2020Observed: 376 cfs at 5:30AM Aug 08, 2020Highest Observation: 380 cfs at 5:45AM Aug 08, 2020Observed: 376 cfs at 6:00AM Aug 08, 2020Highest Observation: 380 cfs at 6:15AM Aug 08, 2020Observed: 376 cfs at 6:30AM Aug 08, 2020Highest Observation: 380 cfs at 6:45AM Aug 08, 2020Highest Observation: 380 cfs at 7:00AM Aug 08, 2020Highest Observation: 380 cfs at 7:15AM Aug 08, 2020Observed: 376 cfs at 7:30AM Aug 08, 2020Highest Observation: 380 cfs at 7:45AM Aug 08, 2020Observed: 376 cfs at 8:00AM Aug 08, 2020Highest Observation: 380 cfs at 8:15AM Aug 08, 2020Observed: 376 cfs at 8:30AM Aug 08, 2020Observed: 376 cfs at 8:45AM Aug 08, 2020Observed: 376 cfs at 9:00AM Aug 08, 2020Observed: 376 cfs at 9:15AM Aug 08, 2020Observed: 376 cfs at 9:30AM Aug 08, 2020Observed: 376 cfs at 9:45AM Aug 08, 2020Observed: 376 cfs at 10:00AM Aug 08, 2020Highest Observation: 380 cfs at 10:15AM Aug 08, 2020Observed: 376 cfs at 10:30AM Aug 08, 2020Observed: 376 cfs at 10:45AM Aug 08, 2020Highest Observation: 380 cfs at 11:00AM Aug 08, 2020Observed: 376 cfs at 11:15AM Aug 08, 2020Observed: 376 cfs at 11:30AM Aug 08, 2020Observed: 376 cfs at 11:45AM Aug 08, 2020Observed: 376 cfs at 12:00PM Aug 08, 2020Observed: 376 cfs at 12:15PM Aug 08, 2020Highest Observation: 380 cfs at 12:30PM Aug 08, 2020Observed: 376 cfs at 12:45PM Aug 08, 2020Observed: 376 cfs at 1:00PM Aug 08, 2020Observed: 376 cfs at 1:15PM Aug 08, 2020Observed: 376 cfs at 1:30PM Aug 08, 2020Observed: 376 cfs at 1:45PM Aug 08, 2020Observed: 376 cfs at 2:00PM Aug 08, 2020Observed: 376 cfs at 2:15PM Aug 08, 2020Observed: 376 cfs at 2:30PM Aug 08, 2020Observed: 376 cfs at 2:45PM Aug 08, 2020Observed: 376 cfs at 3:00PM Aug 08, 2020Observed: 376 cfs at 3:15PM Aug 08, 2020Observed: 376 cfs at 3:30PM Aug 08, 2020Observed: 376 cfs at 3:45PM Aug 08, 2020Observed: 376 cfs at 4:00PM Aug 08, 2020Observed: 376 cfs at 4:15PM Aug 08, 2020Observed: 376 cfs at 4:30PM Aug 08, 2020Highest Observation: 380 cfs at 4:45PM Aug 08, 2020Observed: 376 cfs at 5:00PM Aug 08, 2020Observed: 376 cfs at 5:15PM Aug 08, 2020Observed: 376 cfs at 5:30PM Aug 08, 2020Observed: 376 cfs at 5:45PM Aug 08, 2020Observed: 376 cfs at 6:00PM Aug 08, 2020Observed: 376 cfs at 6:15PM Aug 08, 2020Observed: 376 cfs at 6:30PM Aug 08, 2020Observed: 376 cfs at 6:45PM Aug 08, 2020Highest Observation: 380 cfs at 7:00PM Aug 08, 2020Observed: 376 cfs at 7:15PM Aug 08, 2020Observed: 376 cfs at 7:30PM Aug 08, 2020Observed: 376 cfs at 7:45PM Aug 08, 2020Observed: 376 cfs at 8:00PM Aug 08, 2020Observed: 376 cfs at 8:15PM Aug 08, 2020Observed: 376 cfs at 8:30PM Aug 08, 2020Observed: 376 cfs at 8:45PM Aug 08, 2020Observed: 376 cfs at 9:00PM Aug 08, 2020Observed: 376 cfs at 9:15PM Aug 08, 2020Observed: 376 cfs at 9:30PM Aug 08, 2020Observed: 376 cfs at 9:45PM Aug 08, 2020Observed: 376 cfs at 10:00PM Aug 08, 2020Observed: 376 cfs at 10:15PM Aug 08, 2020Observed: 376 cfs at 10:30PM Aug 08, 2020Observed: 376 cfs at 10:45PM Aug 08, 2020Observed: 376 cfs at 11:00PM Aug 08, 2020Observed: 376 cfs at 11:15PM Aug 08, 2020Observed: 376 cfs at 11:30PM Aug 08, 2020Observed: 376 cfs at 11:45PM Aug 08, 2020Observed: 376 cfs at 12:00AM Aug 09, 2020Observed: 376 cfs at 12:15AM Aug 09, 2020Observed: 376 cfs at 12:30AM Aug 09, 2020Observed: 376 cfs at 12:45AM Aug 09, 2020Observed: 376 cfs at 1:00AM Aug 09, 2020Observed: 376 cfs at 1:15AM Aug 09, 2020Observed: 376 cfs at 1:30AM Aug 09, 2020Observed: 376 cfs at 1:45AM Aug 09, 2020Observed: 376 cfs at 2:00AM Aug 09, 2020Observed: 372 cfs at 2:15AM Aug 09, 2020Observed: 376 cfs at 2:30AM Aug 09, 2020Observed: 376 cfs at 2:45AM Aug 09, 2020Highest Observation: 380 cfs at 3:00AM Aug 09, 2020Observed: 376 cfs at 3:15AM Aug 09, 2020Observed: 376 cfs at 3:30AM Aug 09, 2020Observed: 376 cfs at 3:45AM Aug 09, 2020Observed: 376 cfs at 4:00AM Aug 09, 2020Observed: 376 cfs at 4:15AM Aug 09, 2020Observed: 376 cfs at 4:30AM Aug 09, 2020Observed: 376 cfs at 4:45AM Aug 09, 2020Observed: 376 cfs at 5:00AM Aug 09, 2020Observed: 376 cfs at 5:15AM Aug 09, 2020Observed: 376 cfs at 5:30AM Aug 09, 2020Observed: 376 cfs at 5:45AM Aug 09, 2020Observed: 376 cfs at 6:00AM Aug 09, 2020Observed: 376 cfs at 6:15AM Aug 09, 2020Observed: 376 cfs at 6:30AM Aug 09, 2020Observed: 376 cfs at 6:45AM Aug 09, 2020Observed: 376 cfs at 7:00AM Aug 09, 2020Observed: 376 cfs at 7:15AM Aug 09, 2020Observed: 376 cfs at 7:30AM Aug 09, 2020Observed: 376 cfs at 7:45AM Aug 09, 2020Observed: 376 cfs at 8:00AM Aug 09, 2020Observed: 376 cfs at 8:15AM Aug 09, 2020Observed: 376 cfs at 8:30AM Aug 09, 2020Observed: 376 cfs at 8:45AM Aug 09, 2020Observed: 376 cfs at 9:00AM Aug 09, 2020Observed: 376 cfs at 9:15AM Aug 09, 2020Observed: 376 cfs at 9:30AM Aug 09, 2020Observed: 376 cfs at 9:45AM Aug 09, 2020Observed: 376 cfs at 10:00AM Aug 09, 2020Observed: 376 cfs at 10:15AM Aug 09, 2020Observed: 376 cfs at 10:30AM Aug 09, 2020Observed: 372 cfs at 10:45AM Aug 09, 2020Observed: 376 cfs at 11:00AM Aug 09, 2020Observed: 376 cfs at 11:15AM Aug 09, 2020Observed: 376 cfs at 11:30AM Aug 09, 2020Observed: 376 cfs at 11:45AM Aug 09, 2020Observed: 376 cfs at 12:00PM Aug 09, 2020Observed: 376 cfs at 12:15PM Aug 09, 2020Observed: 376 cfs at 12:30PM Aug 09, 2020Observed: 376 cfs at 12:45PM Aug 09, 2020Observed: 376 cfs at 1:00PM Aug 09, 2020Observed: 376 cfs at 1:15PM Aug 09, 2020Observed: 376 cfs at 1:30PM Aug 09, 2020Observed: 376 cfs at 1:45PM Aug 09, 2020Observed: 376 cfs at 2:00PM Aug 09, 2020Observed: 376 cfs at 2:15PM Aug 09, 2020Observed: 376 cfs at 2:30PM Aug 09, 2020Observed: 376 cfs at 2:45PM Aug 09, 2020Observed: 376 cfs at 3:00PM Aug 09, 2020Observed: 376 cfs at 3:15PM Aug 09, 2020Observed: 376 cfs at 3:30PM Aug 09, 2020Observed: 376 cfs at 3:45PM Aug 09, 2020Observed: 376 cfs at 4:00PM Aug 09, 2020Observed: 376 cfs at 4:15PM Aug 09, 2020Observed: 376 cfs at 4:30PM Aug 09, 2020Observed: 376 cfs at 4:45PM Aug 09, 2020Observed: 376 cfs at 5:00PM Aug 09, 2020Observed: 376 cfs at 5:15PM Aug 09, 2020Observed: 376 cfs at 5:30PM Aug 09, 2020Observed: 376 cfs at 5:45PM Aug 09, 2020Observed: 376 cfs at 6:00PM Aug 09, 2020Observed: 376 cfs at 6:15PM Aug 09, 2020Observed: 376 cfs at 6:30PM Aug 09, 2020Observed: 376 cfs at 6:45PM Aug 09, 2020Observed: 376 cfs at 7:00PM Aug 09, 2020Observed: 376 cfs at 7:15PM Aug 09, 2020Observed: 376 cfs at 7:30PM Aug 09, 2020Observed: 372 cfs at 7:45PM Aug 09, 2020Observed: 372 cfs at 8:00PM Aug 09, 2020Observed: 376 cfs at 8:15PM Aug 09, 2020Observed: 372 cfs at 8:30PM Aug 09, 2020Observed: 372 cfs at 8:45PM Aug 09, 2020Highest Forecast: 379.98 cfs 11:00PM Aug 09, 2020Highest Forecast: 379.98 cfs 5:00AM Aug 10, 2020Highest Forecast: 379.98 cfs 11:00AM Aug 10, 2020Highest Forecast: 379.98 cfs 5:00PM Aug 10, 2020Highest Forecast: 379.98 cfs 11:00PM Aug 10, 2020Highest Forecast: 379.98 cfs 5:00AM Aug 11, 2020Highest Forecast: 379.98 cfs 11:00AM Aug 11, 2020Highest Forecast: 379.98 cfs 5:00PM Aug 11, 2020Highest Forecast: 379.98 cfs 11:00PM Aug 11, 2020Highest Forecast: 379.98 cfs 5:00AM Aug 12, 2020Highest Forecast: 379.98 cfs 11:00AM Aug 12, 2020Highest Forecast: 379.98 cfs 5:00PM Aug 12, 2020Highest Forecast: 379.98 cfs 11:00PM Aug 12, 2020Highest Forecast: 379.98 cfs 5:00AM Aug 13, 2020Highest Forecast: 379.98 cfs 11:00AM Aug 13, 2020Highest Forecast: 379.98 cfs 5:00PM Aug 13, 2020Highest Forecast: 379.98 cfs 11:00PM Aug 13, 2020Highest Forecast: 379.98 cfs 5:00AM Aug 14, 2020Highest Forecast: 379.98 cfs 11:00AM Aug 14, 2020Highest Forecast: 379.98 cfs 5:00PM Aug 14, 2020Highest Forecast: 379.98 cfs 11:00PM Aug 14, 2020Highest Forecast: 379.98 cfs 5:00AM Aug 15, 2020Highest Forecast: 379.98 cfs 11:00AM Aug 15, 2020Highest Forecast: 379.98 cfs 5:00PM Aug 15, 2020Highest Forecast: 379.98 cfs 11:00PM Aug 15, 2020Highest Forecast: 379.98 cfs 5:00AM Aug 16, 2020Highest Forecast: 379.98 cfs 11:00AM Aug 16, 2020Highest Forecast: 379.98 cfs 5:00PM Aug 16, 2020PHLO3(plotting QRIRZ) Graph Created (10:15PM Aug 9, 2020)ObservedForecast (issued 7:54AM Aug 9)Latest observed value: 372 cfs at 8:45 PM PDT 9-Aug-2020.
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About this graph
Tabular Data (UTC)
Tabular Data (PDT)
XML Data
RSS Files
Datum: Not Available
Metadata
Reliability of the Forecast: Based on current and forecast river, weather and reservoir conditions

NOTE: Forecasts for the Powder River (OR) below Mason Dam are issued routinely year-round.

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Upstream Gauge - near Sumpter Upstream Gauge Downstream Gauge Downstream Locations
Flood Categories (in feet)
Not Available

Historic Crests
Currently none available.

Recent Crests
Currently none available.

Low Water Records
Currently none available.
Zoom Level:13
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: 44.672222° N, Longitude: 117.994444° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft Not Available 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
Boise Weather Forecast Office
NIFC Building 3807
Boise, ID 83705-5354
(208) 334-9860
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Page last modified: 1-Mar-2019 12:33 AM
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