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Hydrograph River at a Glance Download
Green River (WA) at Howard Hanson Reservoir Inflow Discharge (kcfs)Observed: 0.22 kcfs at 1:00AM Jul 29, 2014Highest Observation: 0.35 kcfs at 2:00AM Jul 29, 2014Observed: 0.22 kcfs at 3:00AM Jul 29, 2014Observed: 0.24 kcfs at 5:00AM Jul 29, 2014Observed: 0.22 kcfs at 6:00AM Jul 29, 2014Observed: 0.23 kcfs at 7:00AM Jul 29, 2014Observed: 0.22 kcfs at 8:00AM Jul 29, 2014Observed: 0.24 kcfs at 9:00AM Jul 29, 2014Observed: 0.32 kcfs at 10:00AM Jul 29, 2014Observed: 0.22 kcfs at 11:00AM Jul 29, 2014Observed: 0.3 kcfs at 12:00PM Jul 29, 2014Observed: 0.25 kcfs at 1:00PM Jul 29, 2014Observed: 0.23 kcfs at 2:00PM Jul 29, 2014Observed: 0.3 kcfs at 4:00PM Jul 29, 2014Observed: 0.22 kcfs at 5:00PM Jul 29, 2014Observed: 0.25 kcfs at 7:00PM Jul 29, 2014Observed: 0.22 kcfs at 10:00PM Jul 29, 2014Observed: 0.24 kcfs at 1:00AM Jul 30, 2014Observed: 0.24 kcfs at 2:00AM Jul 30, 2014Observed: 0.24 kcfs at 4:00AM Jul 30, 2014Observed: 0.2 kcfs at 5:00AM Jul 30, 2014Observed: 0.22 kcfs at 6:00AM Jul 30, 2014Observed: 0.2 kcfs at 7:00AM Jul 30, 2014Observed: 0.2 kcfs at 8:00AM Jul 30, 2014Highest Observation: 0.35 kcfs at 9:00AM Jul 30, 2014Observed: 0.09 kcfs at 10:00AM Jul 30, 2014Observed: 0.22 kcfs at 11:00AM Jul 30, 2014Observed: 0.24 kcfs at 10:00PM Jul 30, 2014Observed: 0.22 kcfs at 1:00AM Jul 31, 2014Observed: 0.2 kcfs at 3:00AM Jul 31, 2014Observed: 0.22 kcfs at 5:00AM Jul 31, 2014Observed: 0.22 kcfs at 6:00AM Jul 31, 2014Observed: 0.22 kcfs at 7:00AM Jul 31, 2014Observed: 0.2 kcfs at 8:00AM Jul 31, 2014Observed: 0.22 kcfs at 9:00AM Jul 31, 2014Observed: 0.22 kcfs at 10:00AM Jul 31, 2014Observed: 0.22 kcfs at 11:00AM Jul 31, 2014Observed: 0.22 kcfs at 12:00PM Jul 31, 2014Observed: 0.22 kcfs at 2:00PM Jul 31, 2014Observed: 0.22 kcfs at 3:00PM Jul 31, 2014Observed: 0.22 kcfs at 5:00PM Jul 31, 2014Observed: 0.22 kcfs at 6:00PM Jul 31, 2014Highest Forecast: 0.22 kcfs 5:00AM Aug 01, 2014Forecast: 0.21 kcfs 11:00AM Aug 01, 2014Forecast: 0.21 kcfs 5:00PM Aug 01, 2014Forecast: 0.21 kcfs 11:00PM Aug 01, 2014Forecast: 0.21 kcfs 5:00AM Aug 02, 2014Forecast: 0.21 kcfs 11:00AM Aug 02, 2014Forecast: 0.21 kcfs 5:00PM Aug 02, 2014Forecast: 0.21 kcfs 11:00PM Aug 02, 2014Forecast: 0.21 kcfs 5:00AM Aug 03, 2014Forecast: 0.21 kcfs 11:00AM Aug 03, 2014Forecast: 0.21 kcfs 5:00PM Aug 03, 2014Forecast: 0.2 kcfs 11:00PM Aug 03, 2014Forecast: 0.2 kcfs 5:00AM Aug 04, 2014Forecast: 0.2 kcfs 11:00AM Aug 04, 2014Forecast: 0.2 kcfs 5:00PM Aug 04, 2014Forecast: 0.2 kcfs 11:00PM Aug 04, 2014USACEHHDW1(plotting QIIRZ) Graph Created (12:47AM Aug 1, 2014)ObservedForecast (issued 9:25AM Jul 31)Latest observed value: 0.22 kcfs at 6:00 PM PDT 31-Jul-2014.
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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 Green River (WA) at Howard Hanson Reservoir are issued routinely year-round.

Return to Area Map
Upstream Gauge - above Twin Camp Upstream Gauge Downstream Gauge Downstream Gauge - below Howard Hanson Dam
Flood Categories (in feet)
Not Available

Historical Crests
(1) 0.00 ft on 01/31/2003
(2) 0.00 ft on 01/18/2005
(3) 0.00 ft on 01/10/2006
(4) 0.00 ft on 11/12/2008
(5) 0.00 ft on 11/06/2006
(6) 0.00 ft on 01/07/2009
(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
Zoom Level:16
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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: 47.277222° N, Longitude: 121.792222° 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  

Current/Historical Observations:

Additional Information Collapse
Howard Hanson Dam Reservoir Level
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Hydrologic Resources Additional Resources
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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
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Seattle, WA 98115-6349
(206) 526-6087
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Page last modified: 16-Jul-2014 12:45 AM
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