USGS Streamgage 11109375
Piru C below Buck C near Pyramid Lake, CA
Piru C below Buck C near Pyramid Lake, CA is USGS streamgage 11109375 in California, monitoring river discharge in hydrologic subbasin 18070102. It drains a watershed of about 198 square miles. Discharge records at this site go back to 1976. Typical flow runs near 1.2 cfs in July and 18.2 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- California
- Drainage area
- 198 sq mi
- Subbasin (HUC-8)
- 18070102
- Coordinates
- 34.6661, -118.82426
- USGS site number
- 11109375
- Records begin
- 1976-10-01 (50 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 43 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 | 2.1 | 10.4 | 139 | |
| February | 2.9 | 23.8 | 408 | |
| March | 4.7 | 29.1 | 377.9 | |
| April | 2.8 | 18.2 | 215.1 | |
| May | 1.2 | 13.5 | 96.8 | |
| June | 0.2 | 4.9 | 46.3 | |
| July | 0 | 1.2 | 22.4 | |
| August | 0 | 1.3 | 13.6 | |
| September | 0 | 1.6 | 12.4 | |
| October | 0 | 2.4 | 13 | |
| November | 0.2 | 3.7 | 15.6 | |
| December | 0.7 | 5.9 | 35.7 |
All values in cubic feet per second (cfs).
Common questions
- When does Piru C below Buck C near Pyramid Lake, CA normally run highest?
- March, on the long-term record. The median daily flow that month is about 29.1 cfs, against 1.2 cfs in July, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Piru C below Buck C near Pyramid Lake, CA?
- It depends on the month. In January, half of days historically fall near 10.4 cfs, with the middle 80% of days between 2.1 and 139 cfs. The month-by-month table on this page gives the full range.
- How long has Piru C below Buck C near Pyramid Lake, CA been measured?
- Discharge records at USGS site 11109375 begin in 1976, about 50 years, covering roughly 4,803 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Piru C below Buck C near Pyramid Lake, CA?
- The gauge sits at 34.6661, -118.82426, in California, in hydrologic subbasin 18070102, draining roughly 198 square miles.
- Can I use Piru C below Buck C near Pyramid Lake, 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.