USGS Streamgage 10311700
Carson River at Dayton, NV
Carson River at Dayton, NV is USGS streamgage 10311700 in Nevada, monitoring river discharge in hydrologic subbasin 16050202. It drains a watershed of about 1,090 square miles. Discharge records at this site go back to 1994. Typical flow runs near 32.8 cfs in July and 422.4 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Nevada
- Drainage area
- 1,090 sq mi
- Gauge elevation
- 4,350 ft
- Subbasin (HUC-8)
- 16050202
- Coordinates
- 39.23779, -119.58786
- USGS site number
- 10311700
- Records begin
- 1994-04-01 (32 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 32 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 | 118.4 | 212.4 | 1,160.7 | |
| February | 143.4 | 271.2 | 721.8 | |
| March | 183.9 | 394.3 | 1,277.5 | |
| April | 129 | 422.4 | 1,343.7 | |
| May | 248.8 | 1,008.4 | 2,935.2 | |
| June | 59.4 | 708.6 | 2,811.3 | |
| July | 2.3 | 32.8 | 1,528.4 | |
| August | 0.2 | 13.5 | 216.1 | |
| September | 0 | 3.7 | 67.6 | |
| October | 3.6 | 41.6 | 246.8 | |
| November | 45.8 | 106 | 269.2 | |
| December | 88.2 | 158.1 | 598.3 |
All values in cubic feet per second (cfs).
Common questions
- When does Carson River at Dayton, NV normally run highest?
- May, on the long-term record. The median daily flow that month is about 1,008.4 cfs, against 3.7 cfs in September, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Carson River at Dayton, NV?
- It depends on the month. In January, half of days historically fall near 212.4 cfs, with the middle 80% of days between 118.4 and 1,160.7 cfs. The month-by-month table on this page gives the full range.
- How long has Carson River at Dayton, NV been measured?
- Discharge records at USGS site 10311700 begin in 1994, about 32 years, covering roughly 5,153 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Carson River at Dayton, NV?
- The gauge sits at 39.23779, -119.58786, in Nevada, in hydrologic subbasin 16050202, at an elevation of about 4,350 feet, draining roughly 1,090 square miles.
- Can I use Carson River at Dayton, NV 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.