USGS Streamgage 11075720
Carbon C below Carbon Cyn Dam, CA
Carbon C below Carbon Cyn Dam, CA is USGS streamgage 11075720 in California, monitoring river discharge in hydrologic subbasin 18070106. It drains a watershed of about 20 square miles. Discharge records at this site go back to 1961. Typical flow runs near 0 cfs in July and 0 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- California
- Drainage area
- 20 sq mi
- Gauge elevation
- 397 ft
- Subbasin (HUC-8)
- 18070106
- Coordinates
- 33.91335, -117.84255
- USGS site number
- 11075720
- Records begin
- 1961-10-01 (65 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 65 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 | 0 | 3.3 | |
| February | 0 | 0 | 9.8 | |
| March | 0 | 0 | 7.7 | |
| April | 0 | 0 | 2.4 | |
| May | 0 | 0 | 0.8 | |
| June | 0 | 0 | 0.1 | |
| July | 0 | 0 | 0 | |
| August | 0 | 0 | 0 | |
| September | 0 | 0 | 0 | |
| October | 0 | 0 | 0 | |
| November | 0 | 0 | 0.1 | |
| December | 0 | 0 | 0.8 |
All values in cubic feet per second (cfs).
Common questions
- When does Carbon C below Carbon Cyn Dam, CA normally run highest?
- January, on the long-term record. The median daily flow that month is about 0 cfs, against 0 cfs in January, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Carbon C below Carbon Cyn Dam, CA?
- It depends on the month. In January, half of days historically fall near 0 cfs, with the middle 80% of days between 0 and 3.3 cfs. The month-by-month table on this page gives the full range.
- How long has Carbon C below Carbon Cyn Dam, CA been measured?
- Discharge records at USGS site 11075720 begin in 1961, about 65 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 Carbon C below Carbon Cyn Dam, CA?
- The gauge sits at 33.91335, -117.84255, in California, in hydrologic subbasin 18070106, at an elevation of about 397 feet, draining roughly 20 square miles.
- Can I use Carbon C below Carbon Cyn Dam, 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.