Columbia River at International Boundary streamflow

Daily mean discharge, Columbia basin, Washington

Data through Aug 12, 2026 · source last checked Aug 13, 2026 · page revised Aug 13, 2026

Cite

Columbia River at International Boundary: 87,800 cfs daily mean discharge as of Aug 12, 2026 (USGS). The Waterline. https://the-waterline.com/streamflow/columbia-river-at-international-boundary

cfs

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  <img src="https://the-waterline.com/charts/streamflow/columbia-river-at-international-boundary/chart.png" alt="Columbia River at International Boundary streamflow — Aug 12, 2026" width="720" style="max-width:100%;height:auto;border:0"/>
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<p style="font-size:12px;margin:4px 0 0">Source: <a href="https://the-waterline.com/streamflow/columbia-river-at-international-boundary?utm_source=embed&utm_medium=credit">The Waterline</a> · updates automatically</p>
<p style="font-size:11px;color:#6b6b6b;margin:2px 0 0">About this data: US Geological Survey (USGS) · Daily mean streamflow (discharge) · Columbia River at International Boundary · cfs · Daily mean · through Aug 12, 2026</p>

Free to republish with attribution. The chart updates automatically as new data lands.

About this data

Source: US Geological Survey (USGS)
Series: Daily mean streamflow (discharge)
Geography: Columbia River at International Boundary
Unit: cfs
Calculation: Daily mean
Last observation: Aug 12, 2026
Update frequency: Daily

Now 87,800 cfs, 19% below the 5-yr median.

Discharge at the International Boundary fell to 88,600 cfs, down 30% from July. The reading is 17% below the 5-year median.

The numbers
Period	Current	Prior	Change
Week over week	87,800 cfs	89,400 cfs	-1.8%
Month over month	87,800 cfs	109,000 cfs	-19.4%
Year over year	87,800 cfs	90,700 cfs	-3.2%
vs 5-yr median	87,800 cfs	108,000 cfs	-18.7%

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