USBR · GIBR:QD

SUN RIVER

USBR · GIBR:QDDAILY

Bureau of Reclamation dam release. Wyoming's Great Plains tailwaters (Gray Reef, Miracle Mile, Wind River Canyon) report a settled daily mean; Pacific Northwest and Colorado River basin stations report 15-minute to hourly readings instead. Check the timestamp for how current this particular reading is.

Sun River at Gibson Dam (Reclamation release), MT

LEWIS AND CLARK COUNTY, MT47.6008°N, -112.7617°W Updated 1 d ago

FLOW RATE

169cfs

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 30 DAY

169cfs

Optimal band: 136–184 cfs

PERIOD HIGH

1,372cfs

PERIOD LOW

113cfs

RUNNABLE

24%

last 30 day in band

Weather Map

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Your History · Sun River at Gibson Dam (Reclamation release), MT

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Station Location

47.6008, -112.7617

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DATA · USBR · NOAA · NWSUPDATED 2026-09-22 00:00 UTC

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