USGS Streamgage 11389740
Butte C below Fks of Butte Diversion Dam near de Sabla, CA
Butte C below Fks of Butte Diversion Dam near de Sabla, CA is USGS streamgage 11389740 in California, monitoring river discharge in hydrologic subbasin 18020158. It drains a watershed of about 96 square miles. Discharge records at this site go back to 1992. Typical flow runs near 39.1 cfs in July and 50 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- California
- Drainage area
- 96 sq mi
- Gauge elevation
- 1,900 ft
- Subbasin (HUC-8)
- 18020158
- Coordinates
- 39.90127, -121.62442
- USGS site number
- 11389740
- Records begin
- 1992-04-01 (34 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 34 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 | — | 47.8 | — | |
| February | — | 48.5 | — | |
| March | — | 70.6 | — | |
| April | — | 50 | — | |
| May | — | 47.6 | — | |
| June | 23 | 47.3 | 54.9 | |
| July | 20.3 | 39.1 | 63 | |
| August | 16 | 37.6 | 55.3 | |
| September | 17.3 | 44.1 | 64 | |
| October | — | 40.2 | — | |
| November | — | 44.4 | — | |
| December | — | 47.7 | — |
All values in cubic feet per second (cfs).
Common questions
- When does Butte C below Fks of Butte Diversion Dam near de Sabla, CA normally run highest?
- March, on the long-term record. The median daily flow that month is about 70.6 cfs, against 37.6 cfs in August, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Butte C below Fks of Butte Diversion Dam near de Sabla, CA?
- It depends on the month. In June, half of days historically fall near 47.3 cfs, with the middle 80% of days between 23 and 54.9 cfs. The month-by-month table on this page gives the full range.
- How long has Butte C below Fks of Butte Diversion Dam near de Sabla, CA been measured?
- Discharge records at USGS site 11389740 begin in 1992, about 34 years, covering roughly 2,122 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Butte C below Fks of Butte Diversion Dam near de Sabla, CA?
- The gauge sits at 39.90127, -121.62442, in California, in hydrologic subbasin 18020158, at an elevation of about 1,900 feet, draining roughly 96 square miles.
- Can I use Butte C below Fks of Butte Diversion Dam near de Sabla, CA 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.