USGS Streamgage 11160000
Soquel C A Soquel, CA
Soquel C A Soquel, CA is USGS streamgage 11160000 in California, monitoring river discharge in hydrologic subbasin 18060015. It drains a watershed of about 40 square miles. Discharge records at this site go back to 1937. Typical flow runs near 4.2 cfs in July and 24 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- California
- Drainage area
- 40 sq mi
- Gauge elevation
- 21 ft
- Subbasin (HUC-8)
- 18060015
- Coordinates
- 36.99134, -121.95579
- USGS site number
- 11160000
- Records begin
- 1937-02-13 (89 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 75 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 | 5 | 24.2 | 315.9 | |
| February | 7.2 | 35 | 331.1 | |
| March | 8.1 | 42.8 | 244.1 | |
| April | 6.3 | 24 | 107.9 | |
| May | 4 | 13.3 | 41.1 | |
| June | 2 | 8 | 19.8 | |
| July | 0.9 | 4.2 | 11 | |
| August | 0.5 | 2.7 | 6.9 | |
| September | 0.5 | 2.3 | 5.7 | |
| October | 0.7 | 2.8 | 8.3 | |
| November | 1.9 | 5.1 | 25.3 | |
| December | 3.6 | 10.1 | 139.4 |
All values in cubic feet per second (cfs).
Common questions
- When does Soquel C A Soquel, CA normally run highest?
- March, on the long-term record. The median daily flow that month is about 42.8 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 Soquel C A Soquel, CA?
- It depends on the month. In January, half of days historically fall near 24.2 cfs, with the middle 80% of days between 5 and 315.9 cfs. The month-by-month table on this page gives the full range.
- How long has Soquel C A Soquel, CA been measured?
- Discharge records at USGS site 11160000 begin in 1937, about 89 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 Soquel C A Soquel, CA?
- The gauge sits at 36.99134, -121.95579, in California, in hydrologic subbasin 18060015, at an elevation of about 21 feet, draining roughly 40 square miles.
- Can I use Soquel C A Soquel, 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.