USGS Streamgage 11379000
Antelope C near Red Bluff, CA
Antelope C near Red Bluff, CA is USGS streamgage 11379000 in California, monitoring river discharge in hydrologic subbasin 18020156. It drains a watershed of about 123 square miles. Discharge records at this site go back to 1937. Typical flow runs near 41.1 cfs in July and 144.2 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- California
- Drainage area
- 123 sq mi
- Gauge elevation
- 360 ft
- Subbasin (HUC-8)
- 18020156
- Coordinates
- 40.20377, -122.11833
- USGS site number
- 11379000
- Records begin
- 1937-12-01 (89 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 42 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 | 44.6 | 115.9 | 915.1 | |
| February | 52 | 156.2 | 778.4 | |
| March | 65.3 | 152.3 | 511 | |
| April | 74.7 | 144.2 | 465.4 | |
| May | 62.1 | 130.2 | 285.1 | |
| June | 40.4 | 64.1 | 149.1 | |
| July | 31 | 41.1 | 60.7 | |
| August | 29 | 37.5 | 49 | |
| September | 29.2 | 37.5 | 48.1 | |
| October | 32.1 | 40.4 | 63.5 | |
| November | 38.3 | 50 | 214.9 | |
| December | 41.7 | 69.5 | 658.2 |
All values in cubic feet per second (cfs).
Common questions
- When does Antelope C near Red Bluff, CA normally run highest?
- February, on the long-term record. The median daily flow that month is about 156.2 cfs, against 37.5 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 Antelope C near Red Bluff, CA?
- It depends on the month. In January, half of days historically fall near 115.9 cfs, with the middle 80% of days between 44.6 and 915.1 cfs. The month-by-month table on this page gives the full range.
- How long has Antelope C near Red Bluff, CA been measured?
- Discharge records at USGS site 11379000 begin in 1937, about 89 years. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Antelope C near Red Bluff, CA?
- The gauge sits at 40.20377, -122.11833, in California, in hydrologic subbasin 18020156, at an elevation of about 360 feet, draining roughly 123 square miles.
- Can I use Antelope C near Red Bluff, 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.