USGS Streamgage 11396000
Lost C near Clipper Mills, CA
Lost C near Clipper Mills, CA is USGS streamgage 11396000 in California, monitoring river discharge in hydrologic subbasin 18020123. It drains a watershed of about 30 square miles. Discharge records at this site go back to 1927. Typical flow runs near 5.5 cfs in July and 9.4 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- California
- Drainage area
- 30 sq mi
- Subbasin (HUC-8)
- 18020123
- Coordinates
- 39.5735, -121.14163
- USGS site number
- 11396000
- Records begin
- 1927-10-01 (99 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 98 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 | 0.2 | 5.8 | 157.5 | |
| February | 0.6 | 6.5 | 319.3 | |
| March | 0.7 | 7.9 | 333.4 | |
| April | 0.7 | 9.4 | 350.7 | |
| May | 0.7 | 9.6 | 281.5 | |
| June | 0.8 | 8.3 | 63.6 | |
| July | 0.3 | 5.5 | 11.6 | |
| August | 0.2 | 5.6 | 10 | |
| September | 0.2 | 5.6 | 10.5 | |
| October | 0.2 | 3.7 | 10 | |
| November | 0.1 | 3.4 | 8 | |
| December | 0.2 | 4.3 | 64.2 |
All values in cubic feet per second (cfs).
Common questions
- When does Lost C near Clipper Mills, CA normally run highest?
- May, on the long-term record. The median daily flow that month is about 9.6 cfs, against 3.4 cfs in November, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Lost C near Clipper Mills, CA?
- It depends on the month. In January, half of days historically fall near 5.8 cfs, with the middle 80% of days between 0.2 and 157.5 cfs. The month-by-month table on this page gives the full range.
- How long has Lost C near Clipper Mills, CA been measured?
- Discharge records at USGS site 11396000 begin in 1927, about 99 years, covering roughly 8,821 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Lost C near Clipper Mills, CA?
- The gauge sits at 39.5735, -121.14163, in California, in hydrologic subbasin 18020123, draining roughly 30 square miles.
- Can I use Lost C near Clipper Mills, 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.