Cosumnes River at Michigan Bar CA
USGS Site No: 11335000 • Cosumnes River • Sacramento County, CA
Cosumnes River at Michigan Bar CA on the Cosumnes River is currently at 185 cfs (Very High — 98th percentile for this date) . Gage height: 3.69 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for October 28 at this station. Percentile rank shows what fraction of historical years had lower flow on this date.
| Percentile | Label | CFS Threshold | Today's Flow |
|---|---|---|---|
| 10th | Very Low threshold | 8 | |
| 25th | Low threshold | 12 | |
| 50th (Median) | Normal (median) | 29 | |
| 75th | High threshold | 43 | |
| 95th | Very High threshold | 139 |
30-Day Hydrograph
Recent discharge plotted against the historical 10th–95th percentile envelope for the same calendar days. Source: USGS daily values + long-term statistics.
30-Day Flow History
| Date | Discharge (CFS) | Gage Ht (ft) |
|---|---|---|
| May 28, 2026 | 184 | — |
| May 27, 2026 | 175 | — |
| May 26, 2026 | 166 | — |
| May 25, 2026 | 170 | — |
| May 24, 2026 | 180 | — |
| May 23, 2026 | 187 | — |
| May 22, 2026 | 198 | — |
| May 21, 2026 | 209 | — |
| May 20, 2026 | 221 | — |
| May 19, 2026 | 237 | — |
| May 18, 2026 | 253 | — |
| May 17, 2026 | 264 | — |
| May 16, 2026 | 283 | — |
| May 15, 2026 | 304 | — |
| Apr 20, 2026 | 1,150 | — |
| Apr 19, 2026 | 1,280 | — |
| Apr 18, 2026 | 1,390 | — |
| Apr 17, 2026 | 1,520 | — |
| Apr 16, 2026 | 1,630 | — |
| Apr 15, 2026 | 1,700 | — |
| Apr 14, 2026 | 1,940 | — |
| Apr 13, 2026 | 2,860 | — |
| Apr 12, 2026 | 2,320 | — |
| Apr 11, 2026 | 1,030 | — |
| Apr 10, 2026 | 563 | — |
| Apr 9, 2026 | 558 | — |
| Apr 8, 2026 | 571 | — |
| Apr 7, 2026 | 622 | — |
| Apr 6, 2026 | 685 | — |
| Apr 5, 2026 | 765 | — |
Station Information
- USGS Site No
- 11335000
- State
- CA
- County
- Sacramento County
- Coordinates
- 38.5002, -121.0452
- Drainage Area
- 536 mi²
- Datum (ft)
- 170.7
- HUC Code
- 18040013
Flood Stage Thresholds
- Action Stage
- 7.0 ft
- Flood Stage
- 12.0 ft
- Moderate Flood
- 16.0 ft
- Major Flood
- 18.0 ft
Currently 8.31 ft below flood stage.
Recent Extremes
- Max discharge
-
6,310 cfsJan 4, 2026
- Min discharge
-
37 cfsSep 8, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
American River at Fair Oaks CANormal13.6 mi · 2,300 cfs
-
Laguna C near Elk Grove CAHigh17.5 mi · 1 cfs
-
Dry C near Galt CAVery High20.0 mi · 23 cfs
- Unknown
- Unknown