USGS Streamgage 11363000
Pit River A Big Bend, CA
Pit River A Big Bend, CA is USGS streamgage 11363000 in California, monitoring river discharge in hydrologic subbasin 18020003. It drains a watershed of about 4,711 square miles. Discharge records at this site go back to 1910. Typical flow runs near 168.6 cfs in July and 1,054.8 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- California
- Drainage area
- 4,711 sq mi
- Subbasin (HUC-8)
- 18020003
- Coordinates
- 41.01932, -121.91111
- USGS site number
- 11363000
- Records begin
- 1910-10-01 (116 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 115 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 | 65.3 | 532.2 | 3,673.9 | |
| February | 101.5 | 919.1 | 5,138.6 | |
| March | 139.7 | 1,520 | 5,857.7 | |
| April | 136.1 | 1,054.8 | 5,340.3 | |
| May | 148.6 | 647.9 | 3,904.8 | |
| June | 132.5 | 245.7 | 2,874.7 | |
| July | 119 | 168.6 | 2,365.2 | |
| August | 112.5 | 163.4 | 2,244.8 | |
| September | 110.5 | 158.5 | 2,256.3 | |
| October | 110.5 | 166.5 | 2,381.6 | |
| November | 87.1 | 188.5 | 2,614.7 | |
| December | 57.7 | 386.4 | 2,971.9 |
All values in cubic feet per second (cfs).
Common questions
- When does Pit River A Big Bend, CA normally run highest?
- March, on the long-term record. The median daily flow that month is about 1,520 cfs, against 158.5 cfs in September, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Pit River A Big Bend, CA?
- It depends on the month. In January, half of days historically fall near 532.2 cfs, with the middle 80% of days between 65.3 and 3,673.9 cfs. The month-by-month table on this page gives the full range.
- How long has Pit River A Big Bend, CA been measured?
- Discharge records at USGS site 11363000 begin in 1910, about 116 years, covering roughly 8,795 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Pit River A Big Bend, CA?
- The gauge sits at 41.01932, -121.91111, in California, in hydrologic subbasin 18020003, draining roughly 4,711 square miles.
- Can I use Pit River A 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.
Other gauges in this subbasin
- Iron Canyon C below Iron Canyon Dam near Big Bend, CA
- Pit River near Montgomery Creek, CA
- Fall River A Fall River Mills, CA
- Knoch Canal A Fall River Mills, CA
- Pit River below Pit No 1 Ph near Fall River Mills, CA
- Hat C near Hat Creek, CA
- Hat C below Hat No 1 Diversion Dam near Burney, CA
- Hat C Low Flow Release below Baum Lake near Burney, CA