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Hydrograph River at a Glance Download
Columbia River at Wanapum Dam Forebay Elevation (ft)Observed: 567.91 ft at 4:00PM Nov 27, 2021Observed: 567.69 ft at 5:00PM Nov 27, 2021Observed: 567.4 ft at 6:00PM Nov 27, 2021Observed: 568 ft at 7:00PM Nov 27, 2021Observed: 567.62 ft at 8:00PM Nov 27, 2021Observed: 568.19 ft at 9:00PM Nov 27, 2021Observed: 568.67 ft at 10:00PM Nov 27, 2021Observed: 568.8 ft at 11:00PM Nov 27, 2021Observed: 569.18 ft at 11:59PM Nov 27, 2021Observed: 568.2 ft at 12:00AM Nov 28, 2021Observed: 569.49 ft at 1:00AM Nov 28, 2021Observed: 569.63 ft at 2:00AM Nov 28, 2021Observed: 569.48 ft at 3:00AM Nov 28, 2021Observed: 569.25 ft at 4:00AM Nov 28, 2021Observed: 569.43 ft at 5:00AM Nov 28, 2021Observed: 569.27 ft at 6:00AM Nov 28, 2021Observed: 569.23 ft at 7:00AM Nov 28, 2021Observed: 569.76 ft at 8:00AM Nov 28, 2021Observed: 570.07 ft at 9:00AM Nov 28, 2021Observed: 569.33 ft at 10:00AM Nov 28, 2021Observed: 569.59 ft at 11:00AM Nov 28, 2021Observed: 569.42 ft at 12:00PM Nov 28, 2021Observed: 569.03 ft at 1:00PM Nov 28, 2021Observed: 569.09 ft at 2:00PM Nov 28, 2021Observed: 568.75 ft at 3:00PM Nov 28, 2021Observed: 568.51 ft at 4:00PM Nov 28, 2021Observed: 568.26 ft at 5:00PM Nov 28, 2021Observed: 568.16 ft at 6:00PM Nov 28, 2021Observed: 567.89 ft at 7:00PM Nov 28, 2021Observed: 568.11 ft at 8:00PM Nov 28, 2021Observed: 568.42 ft at 9:00PM Nov 28, 2021Observed: 568.5 ft at 10:00PM Nov 28, 2021Observed: 568.82 ft at 11:00PM Nov 28, 2021Observed: 568.95 ft at 11:59PM Nov 28, 2021Observed: 569.02 ft at 12:00AM Nov 29, 2021Observed: 569.29 ft at 1:00AM Nov 29, 2021Observed: 569.41 ft at 2:00AM Nov 29, 2021Observed: 569.64 ft at 3:00AM Nov 29, 2021Observed: 569.68 ft at 4:00AM Nov 29, 2021Observed: 569.66 ft at 5:00AM Nov 29, 2021Observed: 569.67 ft at 6:00AM Nov 29, 2021Observed: 569.57 ft at 7:00AM Nov 29, 2021Observed: 569.86 ft at 8:00AM Nov 29, 2021Observed: 570.01 ft at 9:00AM Nov 29, 2021Observed: 570.13 ft at 10:00AM Nov 29, 2021Observed: 570.2 ft at 11:00AM Nov 29, 2021Observed: 570.4 ft at 12:00PM Nov 29, 2021Observed: 570.55 ft at 1:00PM Nov 29, 2021Observed: 570.56 ft at 2:00PM Nov 29, 2021Observed: 570.41 ft at 3:00PM Nov 29, 2021Observed: 570.09 ft at 4:00PM Nov 29, 2021Observed: 569.95 ft at 5:00PM Nov 29, 2021Observed: 569.87 ft at 6:00PM Nov 29, 2021Observed: 570.16 ft at 7:00PM Nov 29, 2021Observed: 570.25 ft at 8:00PM Nov 29, 2021Observed: 570.72 ft at 11:59PM Nov 29, 2021Observed: 570.47 ft at 1:00AM Nov 30, 2021Observed: 570.65 ft at 2:00AM Nov 30, 2021Highest Observation: 570.94 ft at 3:00AM Nov 30, 2021Observed: 570.72 ft at 4:00AM Nov 30, 2021Observed: 570.46 ft at 5:00AM Nov 30, 2021Observed: 569.94 ft at 6:00AM Nov 30, 2021Observed: 570.18 ft at 7:00AM Nov 30, 2021Observed: 569.89 ft at 8:00AM Nov 30, 2021Observed: 569.64 ft at 9:00AM Nov 30, 2021Observed: 569.23 ft at 10:00AM Nov 30, 2021Observed: 569.17 ft at 11:00AM Nov 30, 2021Observed: 569.06 ft at 12:00PM Nov 30, 2021Observed: 569.16 ft at 1:00PM Nov 30, 2021Observed: 569.28 ft at 2:00PM Nov 30, 2021Observed: 569.48 ft at 3:00PM Nov 30, 2021Observed: 569.45 ft at 4:00PM Nov 30, 2021Observed: 569.72 ft at 5:00PM Nov 30, 2021Observed: 570.18 ft at 6:00PM Nov 30, 2021Observed: 570.34 ft at 7:00PM Nov 30, 2021Observed: 570.3 ft at 8:00PM Nov 30, 2021Observed: 570.51 ft at 9:00PM Nov 30, 2021Observed: 570.38 ft at 10:00PM Nov 30, 2021Observed: 570.55 ft at 11:00PM Nov 30, 2021Observed: 570.54 ft at 11:59PM Nov 30, 2021Observed: 570.54 ft at 12:00AM Dec 01, 2021Observed: 570.48 ft at 1:00AM Dec 01, 2021Observed: 570.42 ft at 2:00AM Dec 01, 2021Observed: 570.35 ft at 3:00AM Dec 01, 2021Observed: 570.49 ft at 4:00AM Dec 01, 2021Observed: 570.35 ft at 5:00AM Dec 01, 2021Observed: 570.19 ft at 6:00AM Dec 01, 2021Observed: 570.27 ft at 7:00AM Dec 01, 2021Observed: 570.11 ft at 8:00AM Dec 01, 2021Observed: 569.91 ft at 9:00AM Dec 01, 2021Observed: 569.89 ft at 10:00AM Dec 01, 2021Observed: 569.57 ft at 11:00AM Dec 01, 2021Observed: 569.67 ft at 12:00PM Dec 01, 2021Observed: 569.79 ft at 1:00PM Dec 01, 2021Observed: 569.47 ft at 2:00PM Dec 01, 2021Observed: 568.97 ft at 3:00PM Dec 01, 2021Observed: 568.92 ft at 4:00PM Dec 01, 2021Observed: 569.07 ft at 5:00PM Dec 01, 2021Observed: 568.68 ft at 6:00PM Dec 01, 2021Observed: 568.97 ft at 7:00PM Dec 01, 2021Observed: 568.95 ft at 8:00PM Dec 01, 2021Observed: 568.96 ft at 9:00PM Dec 01, 2021Observed: 569.13 ft at 10:00PM Dec 01, 2021Observed: 569.45 ft at 11:00PM Dec 01, 2021Observed: 569.58 ft at 11:59PM Dec 01, 2021Observed: 569.65 ft at 12:00AM Dec 02, 2021Observed: 569.72 ft at 1:00AM Dec 02, 2021Observed: 569.79 ft at 2:00AM Dec 02, 2021Observed: 569.56 ft at 3:00AM Dec 02, 2021Observed: 569.27 ft at 4:00AM Dec 02, 2021Observed: 569.2 ft at 5:00AM Dec 02, 2021Observed: 568.95 ft at 6:00AM Dec 02, 2021Observed: 568.36 ft at 7:00AM Dec 02, 2021Observed: 568.97 ft at 8:00AM Dec 02, 2021Observed: 568.74 ft at 9:00AM Dec 02, 2021Observed: 568.83 ft at 10:00AM Dec 02, 2021Observed: 569.49 ft at 11:00AM Dec 02, 2021Observed: 569.14 ft at 12:00PM Dec 02, 2021Observed: 569.42 ft at 1:00PM Dec 02, 2021Observed: 569.46 ft at 2:00PM Dec 02, 2021Observed: 569.37 ft at 3:00PM Dec 02, 2021Observed: 569.1 ft at 4:00PM Dec 02, 2021Observed: 568.95 ft at 5:00PM Dec 02, 2021Observed: 569.78 ft at 6:00PM Dec 02, 2021Observed: 569.17 ft at 7:00PM Dec 02, 2021Observed: 569.52 ft at 8:00PM Dec 02, 2021Observed: 569.76 ft at 9:00PM Dec 02, 2021Observed: 569.63 ft at 10:00PM Dec 02, 2021Observed: 569.9 ft at 11:00PM Dec 02, 2021Observed: 570.23 ft at 11:59PM Dec 02, 2021Observed: 569.35 ft at 12:00AM Dec 03, 2021Observed: 570.25 ft at 1:00AM Dec 03, 2021Observed: 570.52 ft at 2:00AM Dec 03, 2021Observed: 570.48 ft at 3:00AM Dec 03, 2021Observed: 570.55 ft at 4:00AM Dec 03, 2021Observed: 570.39 ft at 5:00AM Dec 03, 2021Observed: 570.28 ft at 6:00AM Dec 03, 2021Observed: 570.27 ft at 7:00AM Dec 03, 2021Observed: 570.27 ft at 8:00AM Dec 03, 2021Observed: 570.31 ft at 9:00AM Dec 03, 2021Observed: 570.28 ft at 10:00AM Dec 03, 2021Observed: 570.32 ft at 11:00AM Dec 03, 2021Observed: 570.24 ft at 12:00PM Dec 03, 2021Observed: 570.18 ft at 1:00PM Dec 03, 2021Observed: 570.1 ft at 2:00PM Dec 03, 2021Observed: 570.03 ft at 3:00PM Dec 03, 2021Observed: 570.02 ft at 4:00PM Dec 03, 2021Observed: 570 ft at 5:00PM Dec 03, 2021Observed: 570.08 ft at 6:00PM Dec 03, 2021Observed: 570.08 ft at 7:00PM Dec 03, 2021Observed: 570.03 ft at 8:00PM Dec 03, 2021Observed: 570.07 ft at 9:00PM Dec 03, 2021Observed: 570.05 ft at 10:00PM Dec 03, 2021Observed: 570.2 ft at 11:00PM Dec 03, 2021Observed: 570.18 ft at 11:59PM Dec 03, 2021Observed: 570.22 ft at 12:00AM Dec 04, 2021Observed: 570.1 ft at 1:00AM Dec 04, 2021Observed: 570.1 ft at 2:00AM Dec 04, 2021Observed: 569.84 ft at 3:00AM Dec 04, 2021Observed: 569.73 ft at 4:00AM Dec 04, 2021Observed: 569.62 ft at 5:00AM Dec 04, 2021Observed: 569.46 ft at 6:00AM Dec 04, 2021Observed: 569.46 ft at 7:00AM Dec 04, 2021Observed: 569.41 ft at 8:00AM Dec 04, 2021Observed: 569.44 ft at 9:00AM Dec 04, 2021Observed: 569.51 ft at 10:00AM Dec 04, 2021Observed: 569.5 ft at 11:00AM Dec 04, 2021Observed: 569.3 ft at 12:00PM Dec 04, 2021Observed: 569.22 ft at 1:00PM Dec 04, 2021Observed: 569.13 ft at 2:00PM Dec 04, 2021Highest Forecast: 569.73 ft 4:00PM Dec 04, 2021Highest Forecast: 569.73 ft 10:00PM Dec 04, 2021Highest Forecast: 569.73 ft 4:00AM Dec 05, 2021Highest Forecast: 569.73 ft 10:00AM Dec 05, 2021Highest Forecast: 569.73 ft 4:00PM Dec 05, 2021Highest Forecast: 569.73 ft 10:00PM Dec 05, 2021Highest Forecast: 569.73 ft 4:00AM Dec 06, 2021Highest Forecast: 569.73 ft 10:00AM Dec 06, 2021Highest Forecast: 569.73 ft 4:00PM Dec 06, 2021Highest Forecast: 569.73 ft 10:00PM Dec 06, 2021Highest Forecast: 569.73 ft 4:00AM Dec 07, 2021Highest Forecast: 569.73 ft 10:00AM Dec 07, 2021Highest Forecast: 569.73 ft 4:00PM Dec 07, 2021Highest Forecast: 569.73 ft 10:00PM Dec 07, 2021Highest Forecast: 569.73 ft 4:00AM Dec 08, 2021Highest Forecast: 569.73 ft 10:00AM Dec 08, 2021Highest Forecast: 569.73 ft 4:00PM Dec 08, 2021Highest Forecast: 569.73 ft 10:00PM Dec 08, 2021Highest Forecast: 569.73 ft 4:00AM Dec 09, 2021Highest Forecast: 569.73 ft 10:00AM Dec 09, 2021Highest Forecast: 569.73 ft 4:00PM Dec 09, 2021Highest Forecast: 569.73 ft 10:00PM Dec 09, 2021Highest Forecast: 569.73 ft 4:00AM Dec 10, 2021Highest Forecast: 569.73 ft 10:00AM Dec 10, 2021Highest Forecast: 569.73 ft 4:00PM Dec 10, 2021Highest Forecast: 569.73 ft 10:00PM Dec 10, 2021Highest Forecast: 569.73 ft 4:00AM Dec 11, 2021Highest Forecast: 569.73 ft 10:00AM Dec 11, 2021WANW1(plotting HFIRX) Graph Created (3:01PM Dec 4, 2021)ObservedForecast (issued 8:26AM Dec 4)Latest observed value: 569.13 ft at 2:00 PM PST 4-Dec-2021.
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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 are not available for the Columbia River at Wanapum Dam. Only observed stages are available for this point.

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Upstream Gauge - at Rock Island Dam Upstream Gauge Downstream Gauge Downstream Gauge - below Priest Rapids Dam
Flood Categories (in feet)
Major Flood Stage: 0
Moderate Flood Stage: 0
Flood Stage: 0
Action Stage: 0
Low Stage (in feet): 562

Historic Crests
(1) 571.36 ft on 05/06/2018
(2) 571.31 ft on 04/23/2017
(3) 571.29 ft on 05/17/2020
(4) 571.26 ft on 06/01/2019
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 571.24 ft on 02/14/2021 (P)
(2) 571.29 ft on 05/17/2020
(3) 571.26 ft on 06/01/2019
(4) 571.36 ft on 05/06/2018
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 563.17 ft on 09/11/2021
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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: 46.873333° N, Longitude: 119.970833° 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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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: 2-Nov-2020 7:27 PM
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