USGS Streamgage 10327500
Humboldt River at Comus, NV
Humboldt River at Comus, NV is USGS streamgage 10327500 in Nevada, monitoring river discharge in hydrologic subbasin 16040105. It drains a watershed of about 12,220 square miles. Discharge records at this site go back to 1894. Typical flow runs near 235.6 cfs in July and 463 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Nevada
- Drainage area
- 12,220 sq mi
- Gauge elevation
- 4,363 ft
- Subbasin (HUC-8)
- 16040105
- Coordinates
- 40.99213, -117.31762
- USGS site number
- 10327500
- Records begin
- 1894-10-01 (132 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 132 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 | 9.4 | 80 | 330.4 | |
| February | 45.4 | 165.7 | 557.1 | |
| March | 108.9 | 327.5 | 1,059.6 | |
| April | 113.2 | 463 | 1,456 | |
| May | 71.9 | 391.7 | 1,856.5 | |
| June | 62.3 | 581.9 | 2,100 | |
| July | 5.1 | 235.6 | 1,015.4 | |
| August | 0.2 | 29.1 | 192.6 | |
| September | 0.1 | 2.3 | 62.4 | |
| October | 0.1 | 5.7 | 84.1 | |
| November | 0.1 | 31.2 | 142 | |
| December | 0.4 | 58.2 | 209.7 |
All values in cubic feet per second (cfs).
Common questions
- When does Humboldt River at Comus, NV normally run highest?
- June, on the long-term record. The median daily flow that month is about 581.9 cfs, against 2.3 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 Humboldt River at Comus, NV?
- It depends on the month. In January, half of days historically fall near 80 cfs, with the middle 80% of days between 9.4 and 330.4 cfs. The month-by-month table on this page gives the full range.
- How long has Humboldt River at Comus, NV been measured?
- Discharge records at USGS site 10327500 begin in 1894, about 132 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 at Comus, NV?
- The gauge sits at 40.99213, -117.31762, in Nevada, in hydrologic subbasin 16040105, at an elevation of about 4,363 feet, draining roughly 12,220 square miles.
- Can I use Humboldt River at Comus, 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.