USGS Streamgage 10328500
L Humboldt River below Chimney Dm near Paradise Valley, NV
L Humboldt River below Chimney Dm near Paradise Valley, NV is USGS streamgage 10328500 in Nevada, monitoring river discharge in hydrologic subbasin 16040109. It drains a watershed of about 780 square miles. Discharge records at this site go back to 1941. Typical flow runs near 5.7 cfs in July and 49.7 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Nevada
- Drainage area
- 780 sq mi
- Gauge elevation
- 4,585 ft
- Subbasin (HUC-8)
- 16040109
- Coordinates
- 41.39333, -117.18139
- USGS site number
- 10328500
- Records begin
- 1941-10-01 (85 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 85 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 | 0 | 1.6 | 76.8 | |
| February | 0 | 2.1 | 83.5 | |
| March | 0.5 | 14.6 | 91.9 | |
| April | 13.5 | 49.7 | 140.7 | |
| May | 12.8 | 59.6 | 143.6 | |
| June | 5.5 | 32.2 | 89.4 | |
| July | 0.1 | 5.7 | 45.3 | |
| August | 0 | 0.6 | 33.5 | |
| September | 0 | 0.4 | 11.9 | |
| October | 0 | 0.5 | 3.7 | |
| November | 0 | 1.7 | 6.4 | |
| December | 0 | 1.9 | 10.8 |
All values in cubic feet per second (cfs).
Common questions
- When does L Humboldt River below Chimney Dm near Paradise Valley, NV normally run highest?
- May, on the long-term record. The median daily flow that month is about 59.6 cfs, against 0.4 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 L Humboldt River below Chimney Dm near Paradise Valley, NV?
- It depends on the month. In January, half of days historically fall near 1.6 cfs, with the middle 80% of days between 0 and 76.8 cfs. The month-by-month table on this page gives the full range.
- How long has L Humboldt River below Chimney Dm near Paradise Valley, NV been measured?
- Discharge records at USGS site 10328500 begin in 1941, about 85 years, covering roughly 829 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is L Humboldt River below Chimney Dm near Paradise Valley, NV?
- The gauge sits at 41.39333, -117.18139, in Nevada, in hydrologic subbasin 16040109, at an elevation of about 4,585 feet, draining roughly 780 square miles.
- Can I use L Humboldt River below Chimney Dm near Paradise Valley, 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.