About this river
Colorado River is a 12.6 mile river near Harcourt Fly Fishing 3G in Colorado. Streamflow is measured at the USGS gauge Colorado River below Glenwood Springs, CO (site 09085100). The National Hydrography Dataset places it at stream order 9. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1967 to 2026
Colorado River typically runs highest in June, at a median 9,575 cfs, and lowest in January, at 1,370 cfs. The highest flow on record for any single day is 30,200 cfs, in 1984.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 1,370 | 1,200 to 1,570 | |
| February | 1,380 | 1,170 to 1,580 | |
| March | 1,540 | 1,290 to 1,780 | |
| April | 2,265 | 1,930 to 2,865 | |
| May | 5,920 | 3,930 to 8,170 | |
| June | 9,575 | 5,485 to 13,150 | |
| July | 3,990 | 2,540 to 5,870 | |
| August | 2,470 | 2,160 to 2,970 | |
| September | 2,200 | 1,985 to 2,520 | |
| October | 2,050 | 1,780 to 2,350 | |
| November | 1,715 | 1,510 to 1,990 | |
| December | 1,430 | 1,240 to 1,670 |
Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 60 years of record. Statistics published by the US Geological Survey for Colorado River below Glenwood Springs, CO (site 09085100). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Colorado River's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
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