Streamflow

Below normal

Colorado River at Lees Ferry streamflow

Daily mean discharge, Colorado (Compact Point) basin, Arizona

Data through Jul 25, 2026 · source last checked Jul 26, 2026 · page revised Jul 26, 2026

Cite
cfs
Embed chart
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
Colorado River at Lees Ferry
Unit
cfs
Calculation
Daily mean
Last observation
Jul 25, 2026
Update frequency
Daily

Now 7,660 cfs, 33% below the 5-yr median.

Flow at Lees Ferry was 7,660 cfs, down 10.6% on the month and 33% below the 5-year median. Year-over-year flow fell 29.7%.

The numbers
PeriodCurrentPriorChange
Week over week7,660 cfs7,680 cfs-0.3%
Month over month7,660 cfs8,570 cfs-10.6%
Year over year7,660 cfs10,900 cfs-29.7%
vs 5-yr median7,660 cfs11,400 cfs-32.8%