USGS Streamgage 11362880
Nelson C Overflow Weir below Pp Diversion near Big Bend, CA
Nelson C Overflow Weir below Pp Diversion near Big Bend, CA is USGS streamgage 11362880 in California, monitoring river discharge in hydrologic subbasin 18020003. It drains a watershed of about 13 square miles. Discharge records at this site go back to 1993. Typical flow runs near 0 cfs in July and 10 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- California
- Drainage area
- 13 sq mi
- Gauge elevation
- 2,320 ft
- Subbasin (HUC-8)
- 18020003
- Coordinates
- 41.0421, -121.87722
- USGS site number
- 11362880
- Records begin
- 1993-10-01 (33 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 32 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 | 0 | 35.2 | |
| February | 0 | 1.3 | 50.6 | |
| March | 0 | 12.7 | 71 | |
| April | 0 | 10 | 66.7 | |
| May | 0 | 0.3 | 45.1 | |
| June | 0 | 0 | 7.3 | |
| July | 0 | 0 | 0.8 | |
| August | 0 | 0 | 5.3 | |
| September | 0 | 0 | 7.5 | |
| October | 0 | 0 | 10.6 | |
| November | 0 | 0 | 7.3 | |
| December | 0 | 0 | 21.3 |
All values in cubic feet per second (cfs).
Common questions
- When does Nelson C Overflow Weir below Pp Diversion near Big Bend, CA normally run highest?
- March, on the long-term record. The median daily flow that month is about 12.7 cfs, against 0 cfs in January, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Nelson C Overflow Weir below Pp Diversion near Big Bend, CA?
- It depends on the month. In January, half of days historically fall near 0 cfs, with the middle 80% of days between 0 and 35.2 cfs. The month-by-month table on this page gives the full range.
- How long has Nelson C Overflow Weir below Pp Diversion near Big Bend, CA been measured?
- Discharge records at USGS site 11362880 begin in 1993, about 33 years, covering roughly 7,933 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Nelson C Overflow Weir below Pp Diversion near Big Bend, CA?
- The gauge sits at 41.0421, -121.87722, in California, in hydrologic subbasin 18020003, at an elevation of about 2,320 feet, draining roughly 13 square miles.
- Can I use Nelson C Overflow Weir below Pp Diversion near Big Bend, 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.
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