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 sits on the L Humboldt River, alongside 1 other gauge Rivermatics tracks on the same river. 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. Rivermatics issues a daily machine-learned flow outlook for this gauge, reaching 14 days ahead.
View live conditions & forecast →
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)
- Rivermatics forecast
- 14-day flow outlook
14-day flow forecast
Based on observations through for L Humboldt River below Chimney Dm near Paradise Valley, NV. Each day carries a median estimate and the band the model expects the flow to fall within — not a single number to plan against. Forecasts are re-issued daily; see the live screen for the current outlook.
| Date | Low p10 | Expected p50 | High p90 | Range |
|---|---|---|---|---|
| 0.9 | 1.2 | 1.4 | ||
| 0.7 | 1.1 | 1.5 | ||
| 0.4 | 1.1 | 1.6 | ||
| 0.2 | 1 | 1.6 | ||
| 0 | 0.8 | 1.5 | ||
| 0 | 0.7 | 1.5 | ||
| 0 | 0.7 | 1.5 | ||
| 0 | 0.6 | 1.5 | ||
| 0 | 0.5 | 1.5 | ||
| 0 | 0.4 | 1.6 | ||
| 0 | 0.4 | 1.5 | ||
| 0 | 0.3 | 1.5 | ||
| 0 | 0.3 | 1.5 | ||
| 0 | 0.2 | 1.3 |
All values in cubic feet per second (cfs). Estimates only — do not use them for navigation or for any safety, rescue, or emergency decision.
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 833 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Is there a flow forecast for L Humboldt River below Chimney Dm near Paradise Valley, NV?
- Yes. Rivermatics trains a machine-learned model — a temporal-fusion transformer — on this basin's observed flows, weather, and snowpack, and issues a daily flow outlook reaching 14 days ahead: a median estimate inside a confidence band, not a single number to bet on. Every forecast is scored against days the model never trained on, and that track record is published on the live gauge screen. Open live conditions to see the current outlook.
- 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.
Upstream and downstream on the L Humboldt River
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the L Humboldt River in full.
- L Humboldt River below Chimney Dm near Paradise Valley, NV this page
- L Humboldt River near Paradise Valley, NV 1,030 sq mi