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Hydrograph River at a Glance Download
Columbia River at Wanapum Dam Forebay Elevation (ft)Observed: 564.84 ft at 1:00AM Oct 10, 2021Observed: 564.83 ft at 2:00AM Oct 10, 2021Observed: 564.94 ft at 3:00AM Oct 10, 2021Observed: 564.7 ft at 4:00AM Oct 10, 2021Observed: 564.67 ft at 5:00AM Oct 10, 2021Observed: 564.69 ft at 6:00AM Oct 10, 2021Observed: 564.73 ft at 7:00AM Oct 10, 2021Observed: 564.53 ft at 8:00AM Oct 10, 2021Observed: 565.02 ft at 9:00AM Oct 10, 2021Observed: 565.34 ft at 11:00AM Oct 10, 2021Observed: 566.25 ft at 12:00PM Oct 10, 2021Observed: 566.41 ft at 1:00PM Oct 10, 2021Observed: 566.68 ft at 2:00PM Oct 10, 2021Observed: 566.99 ft at 3:00PM Oct 10, 2021Observed: 566.76 ft at 4:00PM Oct 10, 2021Observed: 566.58 ft at 5:00PM Oct 10, 2021Observed: 566.83 ft at 6:00PM Oct 10, 2021Observed: 567.03 ft at 7:00PM Oct 10, 2021Observed: 567.22 ft at 8:00PM Oct 10, 2021Observed: 567.58 ft at 9:00PM Oct 10, 2021Observed: 567.81 ft at 10:00PM Oct 10, 2021Observed: 568.01 ft at 11:00PM Oct 10, 2021Observed: 568.01 ft at 11:59PM Oct 10, 2021Observed: 568.01 ft at 12:00AM Oct 11, 2021Observed: 567.85 ft at 1:00AM Oct 11, 2021Observed: 568.07 ft at 2:00AM Oct 11, 2021Observed: 567.99 ft at 3:00AM Oct 11, 2021Observed: 567.6 ft at 4:00AM Oct 11, 2021Observed: 567.49 ft at 5:00AM Oct 11, 2021Observed: 567.07 ft at 6:00AM Oct 11, 2021Observed: 566.71 ft at 7:00AM Oct 11, 2021Observed: 566.73 ft at 8:00AM Oct 11, 2021Observed: 566.79 ft at 9:00AM Oct 11, 2021Observed: 566.23 ft at 10:00AM Oct 11, 2021Observed: 566.24 ft at 11:00AM Oct 11, 2021Observed: 566.35 ft at 12:00PM Oct 11, 2021Observed: 566.52 ft at 1:00PM Oct 11, 2021Observed: 566.74 ft at 2:00PM Oct 11, 2021Observed: 567.07 ft at 3:00PM Oct 11, 2021Observed: 567.05 ft at 4:00PM Oct 11, 2021Observed: 567.13 ft at 5:00PM Oct 11, 2021Observed: 566.63 ft at 6:00PM Oct 11, 2021Observed: 566.75 ft at 7:00PM Oct 11, 2021Observed: 566.93 ft at 8:00PM Oct 11, 2021Observed: 566.99 ft at 9:00PM Oct 11, 2021Observed: 567.28 ft at 10:00PM Oct 11, 2021Observed: 567.49 ft at 11:00PM Oct 11, 2021Observed: 567.54 ft at 11:59PM Oct 11, 2021Observed: 567.05 ft at 12:00AM Oct 12, 2021Observed: 567.11 ft at 1:00AM Oct 12, 2021Observed: 567.71 ft at 2:00AM Oct 12, 2021Observed: 567.71 ft at 3:00AM Oct 12, 2021Observed: 567.46 ft at 4:00AM Oct 12, 2021Observed: 567.9 ft at 5:00AM Oct 12, 2021Observed: 567.77 ft at 6:00AM Oct 12, 2021Observed: 567.08 ft at 7:00AM Oct 12, 2021Observed: 567.65 ft at 8:00AM Oct 12, 2021Observed: 567.73 ft at 9:00AM Oct 12, 2021Observed: 567.57 ft at 10:00AM Oct 12, 2021Observed: 567.99 ft at 11:00AM Oct 12, 2021Observed: 568.23 ft at 12:00PM Oct 12, 2021Observed: 568.46 ft at 1:00PM Oct 12, 2021Observed: 569.03 ft at 3:00PM Oct 12, 2021Observed: 569.04 ft at 4:00PM Oct 12, 2021Observed: 568.84 ft at 5:00PM Oct 12, 2021Observed: 569.35 ft at 6:00PM Oct 12, 2021Observed: 569.29 ft at 7:00PM Oct 12, 2021Observed: 569.64 ft at 8:00PM Oct 12, 2021Observed: 570.06 ft at 9:00PM Oct 12, 2021Observed: 570.41 ft at 10:00PM Oct 12, 2021Observed: 570.83 ft at 11:00PM Oct 12, 2021Highest Observation: 570.98 ft at 11:59PM Oct 12, 2021Observed: 568.6 ft at 12:00AM Oct 13, 2021Observed: 570.68 ft at 1:00AM Oct 13, 2021Observed: 570.75 ft at 2:00AM Oct 13, 2021Observed: 570.56 ft at 3:00AM Oct 13, 2021Observed: 570.38 ft at 4:00AM Oct 13, 2021Observed: 570.49 ft at 5:00AM Oct 13, 2021Observed: 570.49 ft at 6:00AM Oct 13, 2021Observed: 570.35 ft at 7:00AM Oct 13, 2021Observed: 570.18 ft at 8:00AM Oct 13, 2021Observed: 570.21 ft at 9:00AM Oct 13, 2021Observed: 570.2 ft at 10:00AM Oct 13, 2021Observed: 570.08 ft at 11:00AM Oct 13, 2021Observed: 570.06 ft at 12:00PM Oct 13, 2021Observed: 570.11 ft at 1:00PM Oct 13, 2021Observed: 569.56 ft at 2:00PM Oct 13, 2021Observed: 569.79 ft at 3:00PM Oct 13, 2021Observed: 569.7 ft at 4:00PM Oct 13, 2021Observed: 569.77 ft at 5:00PM Oct 13, 2021Observed: 569.47 ft at 6:00PM Oct 13, 2021Observed: 569.62 ft at 7:00PM Oct 13, 2021Observed: 569.74 ft at 8:00PM Oct 13, 2021Observed: 569.87 ft at 9:00PM Oct 13, 2021Observed: 570.04 ft at 10:00PM Oct 13, 2021Observed: 570.29 ft at 11:00PM Oct 13, 2021Observed: 570.2 ft at 11:59PM Oct 13, 2021Observed: 570.11 ft at 12:00AM Oct 14, 2021Observed: 569.84 ft at 1:00AM Oct 14, 2021Observed: 570 ft at 2:00AM Oct 14, 2021Observed: 569.77 ft at 3:00AM Oct 14, 2021Observed: 569.59 ft at 4:00AM Oct 14, 2021Observed: 569.6 ft at 5:00AM Oct 14, 2021Observed: 569.01 ft at 6:00AM Oct 14, 2021Observed: 569.1 ft at 7:00AM Oct 14, 2021Observed: 569.11 ft at 8:00AM Oct 14, 2021Observed: 569.59 ft at 9:00AM Oct 14, 2021Observed: 569.32 ft at 10:00AM Oct 14, 2021Observed: 569.44 ft at 11:00AM Oct 14, 2021Observed: 569.63 ft at 12:00PM Oct 14, 2021Observed: 569.61 ft at 1:00PM Oct 14, 2021Observed: 569.96 ft at 2:00PM Oct 14, 2021Observed: 569.6 ft at 3:00PM Oct 14, 2021Observed: 569.51 ft at 4:00PM Oct 14, 2021Observed: 569.68 ft at 5:00PM Oct 14, 2021Observed: 569.24 ft at 6:00PM Oct 14, 2021Observed: 569.59 ft at 7:00PM Oct 14, 2021Observed: 569.72 ft at 8:00PM Oct 14, 2021Observed: 569.44 ft at 9:00PM Oct 14, 2021Observed: 569.69 ft at 10:00PM Oct 14, 2021Observed: 569.58 ft at 11:00PM Oct 14, 2021Observed: 568.94 ft at 11:59PM Oct 14, 2021Observed: 569.52 ft at 12:00AM Oct 15, 2021Observed: 568.96 ft at 1:00AM Oct 15, 2021Observed: 568.93 ft at 2:00AM Oct 15, 2021Observed: 568.42 ft at 3:00AM Oct 15, 2021Observed: 568.39 ft at 4:00AM Oct 15, 2021Observed: 568.3 ft at 5:00AM Oct 15, 2021Observed: 567.9 ft at 6:00AM Oct 15, 2021Observed: 567.73 ft at 7:00AM Oct 15, 2021Observed: 568.53 ft at 8:00AM Oct 15, 2021Observed: 568.7 ft at 9:00AM Oct 15, 2021Observed: 568.75 ft at 10:00AM Oct 15, 2021Observed: 568.86 ft at 11:00AM Oct 15, 2021Observed: 569.27 ft at 12:00PM Oct 15, 2021Observed: 569.09 ft at 1:00PM Oct 15, 2021Observed: 569.41 ft at 2:00PM Oct 15, 2021Observed: 569.48 ft at 3:00PM Oct 15, 2021Observed: 569.04 ft at 4:00PM Oct 15, 2021Observed: 569.13 ft at 5:00PM Oct 15, 2021Observed: 569.14 ft at 6:00PM Oct 15, 2021Observed: 568.67 ft at 7:00PM Oct 15, 2021Observed: 568.75 ft at 8:00PM Oct 15, 2021Observed: 568.54 ft at 9:00PM Oct 15, 2021Observed: 568.61 ft at 10:00PM Oct 15, 2021Observed: 568.82 ft at 11:00PM Oct 15, 2021Observed: 568.82 ft at 11:59PM Oct 15, 2021Observed: 568.76 ft at 12:00AM Oct 16, 2021Observed: 568.02 ft at 1:00AM Oct 16, 2021Observed: 567.97 ft at 2:00AM Oct 16, 2021Observed: 567.95 ft at 3:00AM Oct 16, 2021Observed: 567.55 ft at 4:00AM Oct 16, 2021Observed: 567.96 ft at 5:00AM Oct 16, 2021Observed: 567.71 ft at 6:00AM Oct 16, 2021Observed: 567.96 ft at 7:00AM Oct 16, 2021Observed: 568 ft at 8:00AM Oct 16, 2021Observed: 568.38 ft at 9:00AM Oct 16, 2021Observed: 568.41 ft at 10:00AM Oct 16, 2021Observed: 568.11 ft at 11:00AM Oct 16, 2021Observed: 568.37 ft at 12:00PM Oct 16, 2021Observed: 568.47 ft at 1:00PM Oct 16, 2021Observed: 568.35 ft at 2:00PM Oct 16, 2021Observed: 568.5 ft at 3:00PM Oct 16, 2021Observed: 568.47 ft at 4:00PM Oct 16, 2021Observed: 568.14 ft at 5:00PM Oct 16, 2021Observed: 568.09 ft at 6:00PM Oct 16, 2021Observed: 568.48 ft at 7:00PM Oct 16, 2021Observed: 568.24 ft at 8:00PM Oct 16, 2021Observed: 568.14 ft at 9:00PM Oct 16, 2021Observed: 568.28 ft at 10:00PM Oct 16, 2021Observed: 568.25 ft at 11:00PM Oct 16, 2021Highest Forecast: 568.11 ft 5:00AM Oct 17, 2021Highest Forecast: 568.11 ft 11:00AM Oct 17, 2021Highest Forecast: 568.11 ft 5:00PM Oct 17, 2021Highest Forecast: 568.11 ft 11:00PM Oct 17, 2021Highest Forecast: 568.11 ft 5:00AM Oct 18, 2021Highest Forecast: 568.11 ft 11:00AM Oct 18, 2021Highest Forecast: 568.11 ft 5:00PM Oct 18, 2021Highest Forecast: 568.11 ft 11:00PM Oct 18, 2021Highest Forecast: 568.11 ft 5:00AM Oct 19, 2021Highest Forecast: 568.11 ft 11:00AM Oct 19, 2021Highest Forecast: 568.11 ft 5:00PM Oct 19, 2021Highest Forecast: 568.11 ft 11:00PM Oct 19, 2021Highest Forecast: 568.11 ft 5:00AM Oct 20, 2021Highest Forecast: 568.11 ft 11:00AM Oct 20, 2021Highest Forecast: 568.11 ft 5:00PM Oct 20, 2021Highest Forecast: 568.11 ft 11:00PM Oct 20, 2021Highest Forecast: 568.11 ft 5:00AM Oct 21, 2021Highest Forecast: 568.11 ft 11:00AM Oct 21, 2021Highest Forecast: 568.11 ft 5:00PM Oct 21, 2021Highest Forecast: 568.11 ft 11:00PM Oct 21, 2021Highest Forecast: 568.11 ft 5:00AM Oct 22, 2021Highest Forecast: 568.11 ft 11:00AM Oct 22, 2021Highest Forecast: 568.11 ft 5:00PM Oct 22, 2021Highest Forecast: 568.11 ft 11:00PM Oct 22, 2021Highest Forecast: 568.11 ft 5:00AM Oct 23, 2021Highest Forecast: 568.11 ft 11:00AM Oct 23, 2021Highest Forecast: 568.11 ft 5:00PM Oct 23, 2021Highest Forecast: 568.11 ft 11:00PM Oct 23, 2021WANW1(plotting HFIRX) Graph Created (12:31AM Oct 17, 2021)ObservedForecast (issued 4:21PM Oct 16)Latest observed value: 568.25 ft at 11:00 PM PDT 16-Oct-2021.
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Tabular Data (UTC)
Tabular Data (PDT)
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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