Around here
Around Cosumnes River
Data Source: Recreation.gov · Source: USGS GNIS · Public land: USGS PAD-US
About this river
Cosumnes River is a 52.2 mile river near Sacramento River Cruise in California. Streamflow is measured at the USGS gauge Cosumnes R at Michigan Bar CA (site 11335000). The National Hydrography Dataset places it at stream order 7. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1908 to 2026
Cosumnes River typically runs highest in April, at a median 833 cfs, and lowest in September, at 8.1 cfs. The highest flow on record for any single day is 61,600 cfs, in 1997.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 240 | 93 to 900 |
| February | 595 | 229 to 1,330 |
| March | 760 | 416 to 1,420 |
| April | 833 | 428 to 1,370 |
| May | 544 | 266 to 953 |
| June | 160 | 73 to 320 |
| July | 39 | 20 to 73 |
| August | 12 | 4.7 to 35 |
| September | 8.1 | 2.9 to 24 |
| October | 22 | 9.2 to 38 |
| November | 49 | 31 to 87 |
| December | 99 | 53 to 224 |
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 119 years of record. Statistics published by the US Geological Survey for Cosumnes R at Michigan Bar CA (site 11335000). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Boat access nearby
3 mapped launches sit in the mapped area of Cosumnes River. Ramp data comes from the USGS national boat-ramp inventory.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Cosumnes River's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
See every free widget you can put on your site, including live conditions and a 7 day forecast.
