Donner C at Highway 89 near Truckee CA
USGS Site No: 10338700 • Nevada County, CA
Donner C at Highway 89 near Truckee CA is currently at 47 cfs (Normal — 71th percentile for this date) . Gage height: 2.99 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 | 5 | |
| 25th | Low threshold | 7 | |
| 50th (Median) | Normal (median) | 13 | |
| 75th | High threshold | 53 | Today: 47 cfs |
| 95th | Very High threshold | 131 |
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 | 50 | — |
| May 27, 2026 | 46 | — |
| May 26, 2026 | 46 | — |
| May 25, 2026 | 50 | — |
| May 24, 2026 | 50 | — |
| May 23, 2026 | 54 | — |
| May 22, 2026 | 55 | — |
| May 21, 2026 | 52 | — |
| May 20, 2026 | 52 | — |
| May 19, 2026 | 59 | — |
| May 18, 2026 | 70 | — |
| May 17, 2026 | 78 | — |
| May 16, 2026 | 81 | — |
| May 15, 2026 | 76 | — |
| Apr 20, 2026 | 168 | — |
| Apr 19, 2026 | 165 | — |
| Apr 18, 2026 | 160 | — |
| Apr 17, 2026 | 158 | — |
| Apr 16, 2026 | 162 | — |
| Apr 15, 2026 | 163 | — |
| Apr 14, 2026 | 164 | — |
| Apr 13, 2026 | 164 | — |
| Apr 12, 2026 | 173 | — |
| Apr 11, 2026 | 156 | — |
| Apr 10, 2026 | 134 | — |
| Apr 9, 2026 | 91 | — |
| Apr 8, 2026 | 90 | — |
| Apr 7, 2026 | 92 | — |
| Apr 6, 2026 | 95 | — |
| Apr 5, 2026 | 95 | — |
Station Information
- USGS Site No
- 10338700
- State
- CA
- County
- Nevada County
- Coordinates
- 39.3210, -120.2080
- Drainage Area
- 29 mi²
- Datum (ft)
- 5,870.8
- HUC Code
- 16050102
Flood Stage Thresholds
- Action Stage
- 7.0 ft
- Flood Stage
- 8.0 ft
- Moderate Flood
- 9.0 ft
- Major Flood
- 10.0 ft
Currently 5.01 ft below flood stage.
Recent Extremes
- Max discharge
-
561 cfsDec 22, 2025
- Min discharge
-
8 cfsSep 23, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Donner C at Donner Lake near Truckee CANormal1.4 mi · 15 cfs
-
Truckee River near Truckee CAHigh1.7 mi · 316 cfs
-
Truckee River below Martis C near Truckee CAVery High5.2 mi · 414 cfs
-
Prosser C below Prosser C Dam near Truckee CANormal5.4 mi · 47 cfs
-
Sagehen C near Truckee CAVery High7.8 mi · 9 cfs