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Hydrograph River at a Glance Download
Columbia River at Wanapum Dam Forebay Elevation (ft)Observed: 543.39 ft at 6:00PM Oct 24, 2014Observed: 543.2 ft at 7:00PM Oct 24, 2014Observed: 543.24 ft at 8:00PM Oct 24, 2014Observed: 543.22 ft at 9:00PM Oct 24, 2014Observed: 543.43 ft at 10:00PM Oct 24, 2014Observed: 543.4 ft at 11:00PM Oct 24, 2014Observed: 542.92 ft at 12:00AM Oct 25, 2014Observed: 543.67 ft at 1:00AM Oct 25, 2014Observed: 543.87 ft at 2:00AM Oct 25, 2014Observed: 544.09 ft at 3:00AM Oct 25, 2014Observed: 543.83 ft at 4:00AM Oct 25, 2014Observed: 543.76 ft at 5:00AM Oct 25, 2014Observed: 543.48 ft at 6:00AM Oct 25, 2014Observed: 543.51 ft at 7:00AM Oct 25, 2014Observed: 543.27 ft at 8:00AM Oct 25, 2014Observed: 543.64 ft at 9:00AM Oct 25, 2014Observed: 543.85 ft at 10:00AM Oct 25, 2014Observed: 543.88 ft at 11:00AM Oct 25, 2014Observed: 544.05 ft at 12:00PM Oct 25, 2014Observed: 544.22 ft at 1:00PM Oct 25, 2014Observed: 544.14 ft at 2:00PM Oct 25, 2014Highest Observation: 544.41 ft at 3:00PM Oct 25, 2014Observed: 544.33 ft at 4:00PM Oct 25, 2014Observed: 544.29 ft at 5:00PM Oct 25, 2014Observed: 544.33 ft at 6:00PM Oct 25, 2014Observed: 544.14 ft at 7:00PM Oct 25, 2014Observed: 544.02 ft at 8:00PM Oct 25, 2014Observed: 543.62 ft at 9:00PM Oct 25, 2014Observed: 543.59 ft at 10:00PM Oct 25, 2014Observed: 543.47 ft at 11:00PM Oct 25, 2014Observed: 543.52 ft at 12:00AM Oct 26, 2014Observed: 543.29 ft at 1:00AM Oct 26, 2014Observed: 543.33 ft at 2:00AM Oct 26, 2014Observed: 543.15 ft at 3:00AM Oct 26, 2014Observed: 543.1 ft at 4:00AM Oct 26, 2014Observed: 543.05 ft at 5:00AM Oct 26, 2014Observed: 543 ft at 6:00AM Oct 26, 2014Observed: 543.02 ft at 7:00AM Oct 26, 2014Observed: 543.12 ft at 8:00AM Oct 26, 2014Observed: 542.89 ft at 9:00AM Oct 26, 2014Observed: 542.77 ft at 10:00AM Oct 26, 2014Observed: 542.98 ft at 11:00AM Oct 26, 2014Observed: 542.83 ft at 12:00PM Oct 26, 2014Observed: 542.98 ft at 1:00PM Oct 26, 2014Observed: 542.79 ft at 2:00PM Oct 26, 2014Observed: 542.99 ft at 3:00PM Oct 26, 2014Observed: 543.11 ft at 4:00PM Oct 26, 2014Observed: 543.17 ft at 5:00PM Oct 26, 2014Observed: 543.05 ft at 6:00PM Oct 26, 2014Observed: 543.17 ft at 7:00PM Oct 26, 2014Observed: 543.07 ft at 8:00PM Oct 26, 2014Observed: 542.94 ft at 9:00PM Oct 26, 2014Observed: 543 ft at 10:00PM Oct 26, 2014Observed: 542.86 ft at 11:00PM Oct 26, 2014Observed: 542.77 ft at 12:00AM Oct 27, 2014Observed: 542.77 ft at 1:00AM Oct 27, 2014Observed: 542.74 ft at 2:00AM Oct 27, 2014Observed: 542.66 ft at 3:00AM Oct 27, 2014Observed: 542.69 ft at 4:00AM Oct 27, 2014Observed: 542.59 ft at 5:00AM Oct 27, 2014Observed: 542.21 ft at 6:00AM Oct 27, 2014Observed: 542.24 ft at 7:00AM Oct 27, 2014Observed: 542.17 ft at 8:00AM Oct 27, 2014Observed: 542.41 ft at 9:00AM Oct 27, 2014Observed: 542.54 ft at 10:00AM Oct 27, 2014Observed: 543.23 ft at 11:00AM Oct 27, 2014Observed: 543.76 ft at 12:00PM Oct 27, 2014Observed: 543.5 ft at 1:00PM Oct 27, 2014Observed: 543.57 ft at 2:00PM Oct 27, 2014Observed: 543.3 ft at 3:00PM Oct 27, 2014Observed: 543.2 ft at 4:00PM Oct 27, 2014Observed: 543.09 ft at 5:00PM Oct 27, 2014Observed: 542.98 ft at 6:00PM Oct 27, 2014Observed: 543.3 ft at 7:00PM Oct 27, 2014Observed: 543.12 ft at 8:00PM Oct 27, 2014Observed: 543.28 ft at 9:00PM Oct 27, 2014Observed: 543.56 ft at 10:00PM Oct 27, 2014Observed: 543.45 ft at 11:00PM Oct 27, 2014Observed: 542.99 ft at 12:00AM Oct 28, 2014Observed: 543.35 ft at 1:00AM Oct 28, 2014Observed: 543.04 ft at 2:00AM Oct 28, 2014Observed: 542.84 ft at 3:00AM Oct 28, 2014Observed: 542.5 ft at 4:00AM Oct 28, 2014Observed: 542.46 ft at 5:00AM Oct 28, 2014Observed: 542.44 ft at 6:00AM Oct 28, 2014Observed: 542.71 ft at 7:00AM Oct 28, 2014Observed: 542.9 ft at 8:00AM Oct 28, 2014Observed: 543.01 ft at 9:00AM Oct 28, 2014Observed: 543 ft at 10:00AM Oct 28, 2014Observed: 543.29 ft at 12:00PM Oct 28, 2014Observed: 543.29 ft at 1:00PM Oct 28, 2014Observed: 543.49 ft at 2:00PM Oct 28, 2014Observed: 543.61 ft at 3:00PM Oct 28, 2014Observed: 543.88 ft at 4:00PM Oct 28, 2014Observed: 543.98 ft at 5:00PM Oct 28, 2014Observed: 543.7 ft at 6:00PM Oct 28, 2014Observed: 543.58 ft at 7:00PM Oct 28, 2014Observed: 543.28 ft at 8:00PM Oct 28, 2014Observed: 543.08 ft at 9:00PM Oct 28, 2014Observed: 542.77 ft at 10:00PM Oct 28, 2014Observed: 542.77 ft at 11:00PM Oct 28, 2014Observed: 542.5 ft at 12:00AM Oct 29, 2014Observed: 542.57 ft at 1:00AM Oct 29, 2014Observed: 542.49 ft at 2:00AM Oct 29, 2014Observed: 542.38 ft at 3:00AM Oct 29, 2014Observed: 542.53 ft at 4:00AM Oct 29, 2014Observed: 542.58 ft at 5:00AM Oct 29, 2014Observed: 542.19 ft at 6:00AM Oct 29, 2014Observed: 542.5 ft at 7:00AM Oct 29, 2014Observed: 542.45 ft at 8:00AM Oct 29, 2014Observed: 542.48 ft at 9:00AM Oct 29, 2014Observed: 542.99 ft at 10:00AM Oct 29, 2014Observed: 543.06 ft at 11:00AM Oct 29, 2014Observed: 543.33 ft at 12:00PM Oct 29, 2014Observed: 543.24 ft at 1:00PM Oct 29, 2014Observed: 543.42 ft at 2:00PM Oct 29, 2014Observed: 543.56 ft at 3:00PM Oct 29, 2014Observed: 543.31 ft at 4:00PM Oct 29, 2014Observed: 543.18 ft at 5:00PM Oct 29, 2014Observed: 543.24 ft at 6:00PM Oct 29, 2014Observed: 542.95 ft at 7:00PM Oct 29, 2014Observed: 542.89 ft at 8:00PM Oct 29, 2014Observed: 542.81 ft at 9:00PM Oct 29, 2014Observed: 542.87 ft at 10:00PM Oct 29, 2014Observed: 542.88 ft at 11:00PM Oct 29, 2014Observed: 542.86 ft at 12:00AM Oct 30, 2014Observed: 542.58 ft at 1:00AM Oct 30, 2014Observed: 542.47 ft at 2:00AM Oct 30, 2014Observed: 542.33 ft at 3:00AM Oct 30, 2014Observed: 542.08 ft at 4:00AM Oct 30, 2014Observed: 541.98 ft at 5:00AM Oct 30, 2014Observed: 541.98 ft at 6:00AM Oct 30, 2014Observed: 542.23 ft at 7:00AM Oct 30, 2014Observed: 542 ft at 8:00AM Oct 30, 2014Observed: 542.13 ft at 9:00AM Oct 30, 2014Observed: 542.01 ft at 10:00AM Oct 30, 2014Observed: 542.23 ft at 11:00AM Oct 30, 2014Observed: 542.2 ft at 12:00PM Oct 30, 2014Observed: 542.35 ft at 1:00PM Oct 30, 2014Observed: 542.63 ft at 2:00PM Oct 30, 2014Observed: 542.82 ft at 3:00PM Oct 30, 2014Observed: 543.02 ft at 4:00PM Oct 30, 2014Observed: 543.28 ft at 5:00PM Oct 30, 2014Observed: 543.45 ft at 6:00PM Oct 30, 2014Observed: 543.48 ft at 7:00PM Oct 30, 2014Observed: 543.47 ft at 8:00PM Oct 30, 2014Observed: 543.45 ft at 9:00PM Oct 30, 2014Observed: 543.39 ft at 10:00PM Oct 30, 2014Observed: 543.34 ft at 11:00PM Oct 30, 2014Observed: 543.03 ft at 12:00AM Oct 31, 2014Observed: 542.76 ft at 1:00AM Oct 31, 2014Observed: 542.51 ft at 2:00AM Oct 31, 2014Observed: 542.53 ft at 3:00AM Oct 31, 2014Observed: 542.47 ft at 4:00AM Oct 31, 2014Observed: 542.69 ft at 5:00AM Oct 31, 2014Observed: 542.87 ft at 6:00AM Oct 31, 2014Observed: 542.87 ft at 7:00AM Oct 31, 2014Observed: 542.87 ft at 8:00AM Oct 31, 2014Observed: 542.91 ft at 9:00AM Oct 31, 2014Observed: 542.97 ft at 10:00AM Oct 31, 2014Observed: 543.25 ft at 11:00AM Oct 31, 2014Observed: 543.33 ft at 12:00PM Oct 31, 2014Observed: 543.53 ft at 1:00PM Oct 31, 2014Observed: 543.28 ft at 2:00PM Oct 31, 2014Observed: 543.34 ft at 3:00PM Oct 31, 2014Observed: 543.24 ft at 4:00PM Oct 31, 2014Highest Forecast: 542.68 ft 11:00PM Oct 31, 2014Highest Forecast: 542.68 ft 5:00AM Nov 01, 2014Highest Forecast: 542.68 ft 11:00AM Nov 01, 2014Highest Forecast: 542.68 ft 5:00PM Nov 01, 2014Highest Forecast: 542.68 ft 11:00PM Nov 01, 2014Highest Forecast: 542.68 ft 4:00AM Nov 02, 2014Highest Forecast: 542.68 ft 10:00AM Nov 02, 2014Highest Forecast: 542.68 ft 4:00PM Nov 02, 2014Highest Forecast: 542.68 ft 10:00PM Nov 02, 2014Highest Forecast: 542.68 ft 4:00AM Nov 03, 2014Highest Forecast: 542.68 ft 10:00AM Nov 03, 2014Highest Forecast: 542.68 ft 4:00PM Nov 03, 2014Highest Forecast: 542.68 ft 10:00PM Nov 03, 2014Highest Forecast: 542.68 ft 4:00AM Nov 04, 2014Highest Forecast: 542.68 ft 10:00AM Nov 04, 2014Highest Forecast: 542.68 ft 4:00PM Nov 04, 2014Highest Forecast: 542.68 ft 10:00PM Nov 04, 2014Highest Forecast: 542.68 ft 4:00AM Nov 05, 2014Highest Forecast: 542.68 ft 10:00AM Nov 05, 2014Highest Forecast: 542.68 ft 4:00PM Nov 05, 2014Highest Forecast: 542.68 ft 10:00PM Nov 05, 2014Highest Forecast: 542.68 ft 4:00AM Nov 06, 2014Highest Forecast: 542.68 ft 10:00AM Nov 06, 2014Highest Forecast: 542.68 ft 4:00PM Nov 06, 2014Highest Forecast: 542.68 ft 10:00PM Nov 06, 2014Highest Forecast: 542.68 ft 4:00AM Nov 07, 2014Highest Forecast: 542.68 ft 10:00AM Nov 07, 2014Highest Forecast: 542.68 ft 4:00PM Nov 07, 2014WANW1(plotting HFIRX) Graph Created (5:18PM Oct 31, 2014)ObservedForecast (issued 10:14AM Oct 31)Latest observed value: 543.24 ft at 4:00 PM PDT 31-Oct-2014.
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Tabular Data (UTC)
Tabular Data (PDT)
XML Data
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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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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: 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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Spokane Weather Forecast Office
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Page last modified: 27-Aug-2014 7:09 PM
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