USGS Streamgage 10339410
Truckee River below Martis C near Truckee, CA
Truckee River below Martis C near Truckee, CA is USGS streamgage 10339410 in California, monitoring river discharge in hydrologic subbasin 16050102. It drains a watershed of about 639 square miles. Discharge records at this site go back to 2016. Typical flow runs near 324.5 cfs in July and 753.6 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- California
- Drainage area
- 639 sq mi
- Gauge elevation
- 5,634 ft
- Subbasin (HUC-8)
- 16050102
- Coordinates
- 39.35306, -120.11944
- USGS site number
- 10339410
- Records begin
- 2016-06-17 (10 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 10 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.
| Month | Low p10 | Typical p50 | High p90 | Range |
|---|---|---|---|---|
| January | 117.5 | 173.5 | 835.5 | |
| February | 130.6 | 188.7 | 1,387.4 | |
| March | 214.4 | 333.3 | 1,491 | |
| April | 404.4 | 753.6 | 2,600.3 | |
| May | 445.4 | 755.6 | 2,672.6 | |
| June | 242.2 | 485.3 | 1,927.7 | |
| July | 180.7 | 324.5 | 528.1 | |
| August | 81.8 | 293.7 | 339.2 | |
| September | 60.6 | 152.7 | 306.3 | |
| October | 25.5 | 108 | 317.6 | |
| November | 84.2 | 150.2 | 758.5 | |
| December | 69.5 | 160.1 | 877.5 |
All values in cubic feet per second (cfs).
Common questions
- When does Truckee River below Martis C near Truckee, CA normally run highest?
- May, on the long-term record. The median daily flow that month is about 755.6 cfs, against 108 cfs in October, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Truckee River below Martis C near Truckee, CA?
- It depends on the month. In January, half of days historically fall near 173.5 cfs, with the middle 80% of days between 117.5 and 835.5 cfs. The month-by-month table on this page gives the full range.
- How long has Truckee River below Martis C near Truckee, CA been measured?
- Discharge records at USGS site 10339410 begin in 2016, about 10 years, covering roughly 3,698 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Truckee River below Martis C near Truckee, CA?
- The gauge sits at 39.35306, -120.11944, in California, in hydrologic subbasin 16050102, at an elevation of about 5,634 feet, draining roughly 639 square miles.
- Can I use Truckee River below Martis C near Truckee, CA data for flood or safety decisions?
- No. Rivermatics provides estimates, not guarantees, and the readings and forecasts here may be delayed, inaccurate, or wrong. Do not use them for navigation or for any safety, rescue, or emergency decision. Check the National Weather Service and USGS directly, and use your own judgment.
Other gauges in this subbasin
- Prosser C below Prosser C Dam near Truckee, CA
- Perazzo C near Soda Springs, CA
- Independence C near Truckee, CA
- Sagehen C near Truckee, CA
- Little Truckee River Ab Boca Reservoir near Truckee, CA
- Little Truckee River below Boca Dam near Truckee, CA
- Truckee River A Boca Bridge near Truckee, CA
- Truckee River A Farad, CA