USGS Streamgage 11302500
Stanislaus River A Oakdale, CA
Stanislaus River A Oakdale, CA is USGS streamgage 11302500 in California, monitoring river discharge in hydrologic subbasin 18040010. It drains a watershed of about 1,032 square miles. Discharge records at this site go back to 1895. Typical flow runs near 505.5 cfs in July and 2,785 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- California
- Drainage area
- 1,032 sq mi
- Subbasin (HUC-8)
- 18040010
- Coordinates
- 37.77715, -120.85299
- USGS site number
- 11302500
- Records begin
- 1895-10-01 (131 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 5 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 | — | 492.5 | — | |
| February | — | 692.2 | — | |
| March | — | 1,554.2 | — | |
| April | — | 2,785 | — | |
| May | — | 3,226.5 | — | |
| June | — | 2,130.3 | — | |
| July | — | 505.5 | — | |
| August | — | 149.5 | — | |
| September | — | 90.7 | — | |
| October | — | 174.1 | — | |
| November | — | 250.1 | — | |
| December | — | 357.9 | — |
All values in cubic feet per second (cfs).
Common questions
- When does Stanislaus River A Oakdale, CA normally run highest?
- May, on the long-term record. The median daily flow that month is about 3,226.5 cfs, against 90.7 cfs in September, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- How long has Stanislaus River A Oakdale, CA been measured?
- Discharge records at USGS site 11302500 begin in 1895, about 131 years, covering roughly 7,826 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Stanislaus River A Oakdale, CA?
- The gauge sits at 37.77715, -120.85299, in California, in hydrologic subbasin 18040010, draining roughly 1,032 square miles.
- Can I use Stanislaus River A Oakdale, 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
- Stanislaus River A Ripon, CA
- MF Stanislaus River A Hells Half Acre Bridge, CA
- MF Stanislaus River below Beardsley Dam, CA
- NF Stanislaus River below Utica Reservoir near Bear Valley, CA
- Silver C below Lake Alpine near Bear Valley, CA
- NF Stanislaus River below Diversion D
- New Spicer Mdw Dam Pp A Nsmd near B Mdw, CA
- NF Stanislaus River near Avery, CA