About this river
Green River is a 47.1 mile river near Wyoming Fishing Company in Wyoming. Streamflow is measured at the USGS gauge Green River at Warren Bridge, near Daniel, WY (site 09188500). The National Hydrography Dataset places it at stream order 8. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1932 to 2026
Green River typically runs highest in June, at a median 1,660 cfs, and lowest in January, at 105 cfs. The highest flow on record for any single day is 5,620 cfs, in 1997.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 105 | 94 to 120 | |
| February | 107 | 94 to 120 | |
| March | 120 | 102 to 139 | |
| April | 250 | 189 to 331 | |
| May | 836 | 592 to 1,240 | |
| June | 1,660 | 1,190 to 2,275 | |
| July | 1,120 | 700 to 1,590 | |
| August | 442 | 324 to 616 | |
| September | 267 | 207 to 328 | |
| October | 182 | 151 to 227 | |
| November | 140 | 112 to 174 | |
| December | 120 | 102 to 140 |
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 93 years of record. Statistics published by the US Geological Survey for Green River at Warren Bridge, near Daniel, WY (site 09188500). 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 Green 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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