USGS Streamgage 11246500
Willow C A Mouth near Auberry, CA
Willow C A Mouth near Auberry, CA is USGS streamgage 11246500 in California, monitoring river discharge in hydrologic subbasin 18040006. It drains a watershed of about 130 square miles. Discharge records at this site go back to 1950. Typical flow runs near 5.4 cfs in July and 50 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- California
- Drainage area
- 130 sq mi
- Gauge elevation
- 1,175 ft
- Subbasin (HUC-8)
- 18040006
- Coordinates
- 37.15078, -119.46041
- USGS site number
- 11246500
- Records begin
- 1950-11-18 (76 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 74 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 | 3.5 | 15.1 | 301.6 | |
| February | 8 | 27.7 | 316.7 | |
| March | 14.9 | 43.5 | 401.9 | |
| April | 14.4 | 50 | 419.7 | |
| May | 7.4 | 33.1 | 535.5 | |
| June | 2.9 | 13.9 | 200.6 | |
| July | 0.5 | 5.4 | 40.1 | |
| August | 0 | 2.2 | 18.8 | |
| September | 0 | 1.6 | 16.3 | |
| October | 0.1 | 2.3 | 21 | |
| November | 1.3 | 5 | 41.7 | |
| December | 2.2 | 7.6 | 96.7 |
All values in cubic feet per second (cfs).
Common questions
- When does Willow C A Mouth near Auberry, CA normally run highest?
- April, on the long-term record. The median daily flow that month is about 50 cfs, against 1.6 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 Willow C A Mouth near Auberry, CA?
- It depends on the month. In January, half of days historically fall near 15.1 cfs, with the middle 80% of days between 3.5 and 301.6 cfs. The month-by-month table on this page gives the full range.
- How long has Willow C A Mouth near Auberry, CA been measured?
- Discharge records at USGS site 11246500 begin in 1950, about 76 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 Willow C A Mouth near Auberry, CA?
- The gauge sits at 37.15078, -119.46041, in California, in hydrologic subbasin 18040006, at an elevation of about 1,175 feet, draining roughly 130 square miles.
- Can I use Willow C A Mouth near Auberry, 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.
Other gauges in this subbasin
- San Joaquin River near Auberry, CA
- Madera Cn A Friant, CA
- MF San Joaquin River near Mammoth Lakes, CA
- SF San Joaquin River Ab Hooper C near Florence Lake, CA
- Hooper C below Diversion Dam near Florence Lake, CA
- SF San Joaquin River below Hooper C near Florence Lake, CA
- Bear C near Lake Thomas A Edison, CA
- Mono C below Lake Thomas A Edison, CA