USGS Streamgage 11151300
San Lorenzo C below Bitterwater C near King City, CA
San Lorenzo C below Bitterwater C near King City, CA is USGS streamgage 11151300 in California, monitoring river discharge in hydrologic subbasin 18060005. It drains a watershed of about 233 square miles. Discharge records at this site go back to 1958. Typical flow runs near 0.2 cfs in July and 2.6 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- California
- Drainage area
- 233 sq mi
- Gauge elevation
- 429 ft
- Subbasin (HUC-8)
- 18060005
- Coordinates
- 36.26802, -121.0663
- USGS site number
- 11151300
- Records begin
- 1958-10-01 (68 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 68 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 | 0.8 | 3.2 | 57.1 | |
| February | 0.8 | 4.7 | 119.9 | |
| March | 0.7 | 5.5 | 100.9 | |
| April | 0.2 | 2.6 | 37.4 | |
| May | 0.1 | 0.8 | 10.8 | |
| June | 0 | 0.4 | 3.3 | |
| July | 0 | 0.2 | 1.6 | |
| August | 0 | 0.1 | 1.3 | |
| September | 0 | 0.2 | 1.8 | |
| October | 0 | 0.5 | 2.6 | |
| November | 0 | 1.3 | 5.3 | |
| December | 0.2 | 2 | 14.7 |
All values in cubic feet per second (cfs).
Common questions
- When does San Lorenzo C below Bitterwater C near King City, CA normally run highest?
- March, on the long-term record. The median daily flow that month is about 5.5 cfs, against 0.1 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 San Lorenzo C below Bitterwater C near King City, CA?
- It depends on the month. In January, half of days historically fall near 3.2 cfs, with the middle 80% of days between 0.8 and 57.1 cfs. The month-by-month table on this page gives the full range.
- How long has San Lorenzo C below Bitterwater C near King City, CA been measured?
- Discharge records at USGS site 11151300 begin in 1958, about 68 years, covering roughly 9,025 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is San Lorenzo C below Bitterwater C near King City, CA?
- The gauge sits at 36.26802, -121.0663, in California, in hydrologic subbasin 18060005, at an elevation of about 429 feet, draining roughly 233 square miles.
- Can I use San Lorenzo C below Bitterwater C near King City, 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.