Snake River above Jackson Lake streamflow

Daily mean discharge, Snake-Columbia basin, Wyoming

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

Cite

Snake River above Jackson Lake: 266 cfs daily mean discharge as of Aug 12, 2026 (USGS). The Waterline. https://the-waterline.com/streamflow/snake-river-above-jackson-lake

cfs

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  <img src="https://the-waterline.com/charts/streamflow/snake-river-above-jackson-lake/chart.png" alt="Snake River above Jackson Lake 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/snake-river-above-jackson-lake?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) · Snake River above Jackson Lake · 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: Snake River above Jackson Lake
Unit: cfs
Calculation: Daily mean
Last observation: Aug 12, 2026
Update frequency: Daily

Now 266 cfs, 6% below the 5-yr median.

Discharge fell to 278 cfs, down 14% on the week. The flow is 4% below the 5-year median and has declined 48% since late July as streamflow ebbs through August.

The numbers
Period	Current	Prior	Change
Week over week	266 cfs	301 cfs	-11.6%
Month over month	266 cfs	486 cfs	-45.3%
Year over year	266 cfs	185 cfs	+43.8%
vs 5-yr median	266 cfs	284 cfs	-6.3%

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