USBR · hdb:uchdb2:1872

COLORADO RIVER (GRAND CANYON)

USBR · hdb:uchdb2:1872DAILY

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.

Colorado River at Glen Canyon Dam (Reclamation release), AZ

COCONINO COUNTY, AZ36.9365°N, -111.4840°W Updated 14 hr ago

FLOW RATE

6,153.6cfs

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

6,153.6cfs

Optimal band: 6,810–9,214 cfs

PERIOD HIGH

9,428.25cfs

PERIOD LOW

5,968.77cfs

RUNNABLE

55%

last 1 day in band

Weather Map

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Station Location

36.9365, -111.4840

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DATA · USBR · NOAA · NWSUPDATED 2026-09-20 06:00 UTC

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