USGS Streamgage 11527000
Trinity River near Burnt Ranch, CA
Trinity River near Burnt Ranch, CA is USGS streamgage 11527000 in California, monitoring river discharge in hydrologic subbasin 18010211. It drains a watershed of about 1,439 square miles. Discharge records at this site go back to 1931. Typical flow runs near 700.5 cfs in July and 2,101.7 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- California
- Drainage area
- 1,439 sq mi
- Gauge elevation
- 948 ft
- Subbasin (HUC-8)
- 18010211
- Coordinates
- 40.78872, -123.44001
- USGS site number
- 11527000
- Records begin
- 1931-10-01 (95 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 63 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 | 645.3 | 1,773.9 | 7,261.6 | |
| February | 836.2 | 2,029.3 | 7,589 | |
| March | 1,036.4 | 2,263.5 | 6,318.1 | |
| April | 1,040.4 | 2,101.7 | 5,501.7 | |
| May | 1,053.1 | 2,401.9 | 6,180 | |
| June | 713.2 | 1,300.9 | 3,759 | |
| July | 404.5 | 700.5 | 1,691.5 | |
| August | 265.7 | 537.7 | 902.7 | |
| September | 278.6 | 526.5 | 876.6 | |
| October | 325.7 | 479.3 | 727.5 | |
| November | 410.2 | 581.7 | 1,935.2 | |
| December | 499.4 | 1,026.6 | 4,654.5 |
All values in cubic feet per second (cfs).
Common questions
- When does Trinity River near Burnt Ranch, CA normally run highest?
- May, on the long-term record. The median daily flow that month is about 2,401.9 cfs, against 479.3 cfs in October, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Trinity River near Burnt Ranch, CA?
- It depends on the month. In January, half of days historically fall near 1,773.9 cfs, with the middle 80% of days between 645.3 and 7,261.6 cfs. The month-by-month table on this page gives the full range.
- How long has Trinity River near Burnt Ranch, CA been measured?
- Discharge records at USGS site 11527000 begin in 1931, about 95 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 Trinity River near Burnt Ranch, CA?
- The gauge sits at 40.78872, -123.44001, in California, in hydrologic subbasin 18010211, at an elevation of about 948 feet, draining roughly 1,439 square miles.
- Can I use Trinity River near Burnt Ranch, 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.