USGS Streamgage 10333000
Humboldt River near Imlay, NV
Humboldt River near Imlay, NV is USGS streamgage 10333000 in Nevada, monitoring river discharge in hydrologic subbasin 16040108. It drains a watershed of about 15,504 square miles. Discharge records at this site go back to 1935. Typical flow runs near 245.9 cfs in July and 306.9 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Nevada
- Drainage area
- 15,504 sq mi
- Gauge elevation
- 4,133 ft
- Subbasin (HUC-8)
- 16040108
- Coordinates
- 40.6924, -118.20431
- USGS site number
- 10333000
- Records begin
- 1935-06-01 (91 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 91 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 | 3.9 | 62.6 | 276.8 | |
| February | 7.5 | 109.9 | 414.4 | |
| March | 53.1 | 232.6 | 739.2 | |
| April | 56.1 | 306.9 | 1,155.5 | |
| May | 27.7 | 273.7 | 1,364.5 | |
| June | 26.6 | 351.8 | 1,782.3 | |
| July | 8.5 | 245.9 | 1,111.9 | |
| August | 0.9 | 49.5 | 277.9 | |
| September | 0.2 | 21.9 | 97.3 | |
| October | 0 | 20.4 | 100.3 | |
| November | 0 | 29.3 | 146.8 | |
| December | 0.3 | 43 | 210.5 |
All values in cubic feet per second (cfs).
Common questions
- When does Humboldt River near Imlay, NV normally run highest?
- June, on the long-term record. The median daily flow that month is about 351.8 cfs, against 20.4 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 Humboldt River near Imlay, NV?
- It depends on the month. In January, half of days historically fall near 62.6 cfs, with the middle 80% of days between 3.9 and 276.8 cfs. The month-by-month table on this page gives the full range.
- How long has Humboldt River near Imlay, NV been measured?
- Discharge records at USGS site 10333000 begin in 1935, about 91 years, covering roughly 9,126 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Humboldt River near Imlay, NV?
- The gauge sits at 40.6924, -118.20431, in Nevada, in hydrologic subbasin 16040108, at an elevation of about 4,133 feet, draining roughly 15,504 square miles.
- Can I use Humboldt River near Imlay, 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.