Truckee River at Boca Bridge near Truckee CA
USGS Site No: 10344505 • Truckee River • Nevada County, CA
Truckee River at Boca Bridge near Truckee CA on the Truckee River is currently at 546 cfs (High — 88th percentile for this date) . Gage height: 6.57 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 | 100 | |
| 25th | Low threshold | 335 | |
| 50th (Median) | Normal (median) | 391 | |
| 75th | High threshold | 438 | |
| 95th | Very High threshold | 603 | Today: 546 cfs |
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 | 708 | — |
| May 27, 2026 | 705 | — |
| May 26, 2026 | 720 | — |
| May 25, 2026 | 790 | — |
| May 24, 2026 | 890 | — |
| May 23, 2026 | 996 | — |
| May 22, 2026 | 1,110 | — |
| May 21, 2026 | 1,110 | — |
| May 20, 2026 | 1,150 | — |
| May 19, 2026 | 1,120 | — |
| May 18, 2026 | 1,090 | — |
| May 17, 2026 | 1,080 | — |
| May 16, 2026 | 1,090 | — |
| May 15, 2026 | 1,100 | — |
| Apr 20, 2026 | 888 | — |
| Apr 19, 2026 | 883 | — |
| Apr 18, 2026 | 893 | — |
| Apr 17, 2026 | 898 | — |
| Apr 16, 2026 | 926 | — |
| Apr 15, 2026 | 934 | — |
| Apr 14, 2026 | 879 | — |
| Apr 13, 2026 | 901 | — |
| Apr 12, 2026 | 979 | — |
| Apr 11, 2026 | 1,010 | — |
| Apr 10, 2026 | 1,060 | — |
| Apr 9, 2026 | 1,110 | — |
| Apr 8, 2026 | 1,180 | — |
| Apr 7, 2026 | 1,220 | — |
| Apr 6, 2026 | 1,230 | — |
| Apr 5, 2026 | 1,230 | — |
Station Information
- USGS Site No
- 10344505
- State
- CA
- County
- Nevada County
- Coordinates
- 39.3852, -120.0877
- Drainage Area
- 872 mi²
- Datum (ft)
- 5,476.2
- HUC Code
- 16050102
Recent Extremes
- Max discharge
-
2,130 cfsDec 22, 2025
- Min discharge
-
375 cfsNov 24, 2025
Computed from the local daily-values archive.
Nearby Gauges
-
Prosser C below Prosser C Dam near Truckee CANormal2.5 mi · 47 cfs
-
Truckee River below Martis C near Truckee CAVery High2.8 mi · 414 cfs
-
Truckee River at Farad CAVery High4.1 mi · 665 cfs
-
Donner C at Highway 89 near Truckee CANormal7.8 mi · 47 cfs
-
Truckee River near Truckee CAHigh8.8 mi · 316 cfs