Arkansas River in Colorado
Around here
Around Arkansas River
Public land: USGS PAD-US
About this river
Arkansas River is a 49.0 mile river. Streamflow is measured at the USGS gauge Arkansas River near Avondale, CO (site 07109500). The National Hydrography Dataset places it at stream order 9. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1975 to 2026
Arkansas River typically runs highest in June, at a median 2,340 cfs, and lowest in December, at 304 cfs. The highest flow on record for any single day is 12,300 cfs, in 1999.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 319 | 276 to 364 |
| February | 323 | 286 to 380 |
| March | 484 | 374 to 592 |
| April | 656 | 425 to 924 |
| May | 1,010 | 674 to 1,690 |
| June | 2,340 | 1,300 to 3,280 |
| July | 1,320 | 858 to 2,040 |
| August | 998 | 668 to 1,450 |
| September | 509 | 325 to 672 |
| October | 399 | 308 to 582 |
| November | 381 | 310 to 444 |
| December | 304 | 272 to 345 |
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 52 years of record. Statistics published by the US Geological Survey for Arkansas River near Avondale, CO. (site 07109500). 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 Arkansas 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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