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Hydrograph River at a Glance Download
Columbia River at Rock Island Dam Forebay Elevation (ft)Observed: 612.81 ft at 9:00PM Feb 03, 2016Observed: 612.82 ft at 10:00PM Feb 03, 2016Observed: 612.8 ft at 11:00PM Feb 03, 2016Observed: 612.81 ft at 12:00AM Feb 04, 2016Observed: 612.85 ft at 1:00AM Feb 04, 2016Observed: 612.7 ft at 2:00AM Feb 04, 2016Observed: 612.87 ft at 3:00AM Feb 04, 2016Observed: 612.79 ft at 4:00AM Feb 04, 2016Observed: 612.7 ft at 5:00AM Feb 04, 2016Observed: 612.92 ft at 6:00AM Feb 04, 2016Observed: 612.79 ft at 7:00AM Feb 04, 2016Observed: 612.79 ft at 8:00AM Feb 04, 2016Observed: 612.77 ft at 9:00AM Feb 04, 2016Observed: 612.77 ft at 10:00AM Feb 04, 2016Observed: 612.81 ft at 11:00AM Feb 04, 2016Observed: 612.81 ft at 12:00PM Feb 04, 2016Observed: 612.74 ft at 1:00PM Feb 04, 2016Observed: 612.83 ft at 2:00PM Feb 04, 2016Observed: 612.82 ft at 3:00PM Feb 04, 2016Observed: 612.81 ft at 4:00PM Feb 04, 2016Observed: 612.88 ft at 5:00PM Feb 04, 2016Observed: 612.83 ft at 6:00PM Feb 04, 2016Observed: 612.78 ft at 7:00PM Feb 04, 2016Observed: 612.81 ft at 8:00PM Feb 04, 2016Observed: 612.77 ft at 9:00PM Feb 04, 2016Observed: 612.84 ft at 10:00PM Feb 04, 2016Observed: 612.76 ft at 11:00PM Feb 04, 2016Observed: 612.89 ft at 12:00AM Feb 05, 2016Observed: 612.58 ft at 1:00AM Feb 05, 2016Observed: 612.9 ft at 2:00AM Feb 05, 2016Observed: 612.75 ft at 3:00AM Feb 05, 2016Observed: 612.2 ft at 4:00AM Feb 05, 2016Observed: 612.91 ft at 5:00AM Feb 05, 2016Observed: 612.83 ft at 6:00AM Feb 05, 2016Observed: 612.76 ft at 7:00AM Feb 05, 2016Observed: 612.8 ft at 8:00AM Feb 05, 2016Observed: 612.78 ft at 9:00AM Feb 05, 2016Observed: 612.78 ft at 10:00AM Feb 05, 2016Observed: 612.42 ft at 11:00AM Feb 05, 2016Observed: 612.58 ft at 12:00PM Feb 05, 2016Observed: 612.77 ft at 1:00PM Feb 05, 2016Observed: 612.79 ft at 2:00PM Feb 05, 2016Observed: 612.84 ft at 3:00PM Feb 05, 2016Observed: 612.81 ft at 4:00PM Feb 05, 2016Observed: 612.84 ft at 5:00PM Feb 05, 2016Observed: 612.85 ft at 6:00PM Feb 05, 2016Observed: 612.76 ft at 7:00PM Feb 05, 2016Observed: 612.75 ft at 8:00PM Feb 05, 2016Observed: 612.79 ft at 9:00PM Feb 05, 2016Observed: 612.81 ft at 10:00PM Feb 05, 2016Observed: 612.84 ft at 11:00PM Feb 05, 2016Observed: 612.75 ft at 12:00AM Feb 06, 2016Observed: 612.62 ft at 1:00AM Feb 06, 2016Observed: 612.08 ft at 2:00AM Feb 06, 2016Observed: 612.02 ft at 3:00AM Feb 06, 2016Observed: 611.94 ft at 4:00AM Feb 06, 2016Observed: 612.8 ft at 5:00AM Feb 06, 2016Observed: 612.68 ft at 6:00AM Feb 06, 2016Observed: 612.73 ft at 7:00AM Feb 06, 2016Observed: 612.76 ft at 8:00AM Feb 06, 2016Observed: 612.59 ft at 9:00AM Feb 06, 2016Observed: 612.74 ft at 10:00AM Feb 06, 2016Observed: 612.6 ft at 11:00AM Feb 06, 2016Observed: 612.69 ft at 12:00PM Feb 06, 2016Observed: 612.59 ft at 1:00PM Feb 06, 2016Observed: 612.81 ft at 2:00PM Feb 06, 2016Observed: 612.64 ft at 3:00PM Feb 06, 2016Highest Observation: 613 ft at 4:00PM Feb 06, 2016Observed: 612.67 ft at 5:00PM Feb 06, 2016Observed: 612.75 ft at 6:00PM Feb 06, 2016Observed: 612.71 ft at 7:00PM Feb 06, 2016Observed: 612.67 ft at 8:00PM Feb 06, 2016Observed: 612.71 ft at 9:00PM Feb 06, 2016Observed: 612.74 ft at 12:00AM Feb 07, 2016Observed: 612.52 ft at 1:00AM Feb 07, 2016Observed: 612.72 ft at 2:00AM Feb 07, 2016Observed: 612.77 ft at 3:00AM Feb 07, 2016Observed: 612.73 ft at 4:00AM Feb 07, 2016Observed: 612.69 ft at 5:00AM Feb 07, 2016Observed: 612.72 ft at 6:00AM Feb 07, 2016Observed: 612.64 ft at 7:00AM Feb 07, 2016Observed: 612.88 ft at 8:00AM Feb 07, 2016Observed: 612.67 ft at 9:00AM Feb 07, 2016Observed: 612.75 ft at 10:00AM Feb 07, 2016Observed: 612.62 ft at 11:00AM Feb 07, 2016Observed: 612.77 ft at 12:00PM Feb 07, 2016Observed: 612.66 ft at 1:00PM Feb 07, 2016Observed: 612.66 ft at 2:00PM Feb 07, 2016Observed: 612.71 ft at 3:00PM Feb 07, 2016Observed: 612.71 ft at 4:00PM Feb 07, 2016Observed: 612.74 ft at 5:00PM Feb 07, 2016Observed: 612.68 ft at 6:00PM Feb 07, 2016Observed: 612.69 ft at 7:00PM Feb 07, 2016Observed: 612.74 ft at 8:00PM Feb 07, 2016Observed: 612.69 ft at 9:00PM Feb 07, 2016Observed: 612.67 ft at 10:00PM Feb 07, 2016Observed: 612.68 ft at 11:00PM Feb 07, 2016Observed: 612.7 ft at 12:00AM Feb 08, 2016Observed: 612.61 ft at 1:00AM Feb 08, 2016Observed: 612.65 ft at 2:00AM Feb 08, 2016Observed: 612.71 ft at 3:00AM Feb 08, 2016Observed: 612.77 ft at 4:00AM Feb 08, 2016Observed: 612.73 ft at 5:00AM Feb 08, 2016Observed: 612.77 ft at 6:00AM Feb 08, 2016Observed: 612.68 ft at 7:00AM Feb 08, 2016Observed: 612.69 ft at 8:00AM Feb 08, 2016Observed: 612.66 ft at 9:00AM Feb 08, 2016Observed: 612.68 ft at 10:00AM Feb 08, 2016Observed: 612.69 ft at 11:00AM Feb 08, 2016Observed: 612.69 ft at 12:00PM Feb 08, 2016Observed: 612.71 ft at 1:00PM Feb 08, 2016Observed: 612.66 ft at 2:00PM Feb 08, 2016Observed: 612.62 ft at 3:00PM Feb 08, 2016Observed: 612.81 ft at 4:00PM Feb 08, 2016Observed: 612.81 ft at 5:00PM Feb 08, 2016Observed: 612.76 ft at 6:00PM Feb 08, 2016Observed: 612.78 ft at 7:00PM Feb 08, 2016Observed: 612.72 ft at 8:00PM Feb 08, 2016Observed: 612.55 ft at 9:00PM Feb 08, 2016Observed: 612.72 ft at 10:00PM Feb 08, 2016Observed: 612.73 ft at 11:00PM Feb 08, 2016Observed: 612.71 ft at 12:00AM Feb 09, 2016Observed: 612.67 ft at 1:00AM Feb 09, 2016Observed: 612.75 ft at 2:00AM Feb 09, 2016Observed: 612.78 ft at 3:00AM Feb 09, 2016Observed: 612.74 ft at 4:00AM Feb 09, 2016Observed: 612.77 ft at 5:00AM Feb 09, 2016Observed: 612.8 ft at 6:00AM Feb 09, 2016Observed: 612.85 ft at 7:00AM Feb 09, 2016Observed: 612.75 ft at 8:00AM Feb 09, 2016Observed: 612.75 ft at 9:00AM Feb 09, 2016Observed: 612.73 ft at 10:00AM Feb 09, 2016Observed: 612.71 ft at 11:00AM Feb 09, 2016Observed: 612.72 ft at 12:00PM Feb 09, 2016Observed: 612.75 ft at 1:00PM Feb 09, 2016Observed: 612.75 ft at 2:00PM Feb 09, 2016Observed: 612.75 ft at 3:00PM Feb 09, 2016Observed: 612.79 ft at 4:00PM Feb 09, 2016Observed: 612.75 ft at 5:00PM Feb 09, 2016Observed: 612.78 ft at 6:00PM Feb 09, 2016Observed: 612.79 ft at 7:00PM Feb 09, 2016Observed: 612.71 ft at 8:00PM Feb 09, 2016Observed: 612.73 ft at 9:00PM Feb 09, 2016Observed: 612.71 ft at 10:00PM Feb 09, 2016Observed: 612.69 ft at 11:00PM Feb 09, 2016Observed: 612.84 ft at 12:00AM Feb 10, 2016Observed: 612.73 ft at 1:00AM Feb 10, 2016Observed: 612.72 ft at 2:00AM Feb 10, 2016Observed: 612.73 ft at 3:00AM Feb 10, 2016Observed: 612.67 ft at 4:00AM Feb 10, 2016Observed: 612.83 ft at 5:00AM Feb 10, 2016Observed: 612.74 ft at 6:00AM Feb 10, 2016Observed: 612.8 ft at 7:00AM Feb 10, 2016Observed: 612.65 ft at 8:00AM Feb 10, 2016Highest Forecast: 612.73 ft 10:00PM Feb 10, 2016Highest Forecast: 612.73 ft 4:00AM Feb 11, 2016Highest Forecast: 612.73 ft 10:00AM Feb 11, 2016Highest Forecast: 612.73 ft 4:00PM Feb 11, 2016Highest Forecast: 612.73 ft 10:00PM Feb 11, 2016Highest Forecast: 612.73 ft 4:00AM Feb 12, 2016Highest Forecast: 612.73 ft 10:00AM Feb 12, 2016Highest Forecast: 612.73 ft 4:00PM Feb 12, 2016Highest Forecast: 612.73 ft 10:00PM Feb 12, 2016Highest Forecast: 612.73 ft 4:00AM Feb 13, 2016Highest Forecast: 612.73 ft 10:00AM Feb 13, 2016Highest Forecast: 612.73 ft 4:00PM Feb 13, 2016Highest Forecast: 612.73 ft 10:00PM Feb 13, 2016Highest Forecast: 612.73 ft 4:00AM Feb 14, 2016Highest Forecast: 612.73 ft 10:00AM Feb 14, 2016Highest Forecast: 612.73 ft 4:00PM Feb 14, 2016Highest Forecast: 612.73 ft 10:00PM Feb 14, 2016Highest Forecast: 612.73 ft 4:00AM Feb 15, 2016Highest Forecast: 612.73 ft 10:00AM Feb 15, 2016Highest Forecast: 612.73 ft 4:00PM Feb 15, 2016Highest Forecast: 612.73 ft 10:00PM Feb 15, 2016Highest Forecast: 612.73 ft 4:00AM Feb 16, 2016Highest Forecast: 612.73 ft 10:00AM Feb 16, 2016Highest Forecast: 612.73 ft 4:00PM Feb 16, 2016Highest Forecast: 612.73 ft 10:00PM Feb 16, 2016Highest Forecast: 612.73 ft 4:00AM Feb 17, 2016Highest Forecast: 612.73 ft 10:00AM Feb 17, 2016Highest Forecast: 612.73 ft 4:00PM Feb 17, 2016RISW1(plotting HFIRX) Graph Created (8:17PM Feb 10, 2016)ObservedForecast (issued 10:54AM Feb 10)Latest observed value: 612.65 ft at 8:00 AM PST 10-Feb-2016.
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About this graph
Tabular Data (UTC)
Tabular Data (PST)
XML Data
RSS Files
Datum: Not Available
Metadata
NOTE: Gauge reading affected by reservoir operations.

NOTE: Forecasts for the Columbia River at Rock Island Dam are issued routinely year-round.

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Flood Categories (in feet)
Not Available

Historic Crests
Currently none available.

Recent Crests
Currently none available.

Low Water Records
Currently none available.
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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: 47.332500° N, Longitude: 120.080000° 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 NULL NULL  
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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
Spokane Weather Forecast Office
2601 N. Rambo Rd.
Spokane, WA 99224
(509) 244-0110
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Page last modified: 13-Aug-2015 1:54 AM
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