USGS Streamgage 11363930
Iron Canyon C below Iron Canyon Dam near Big Bend, CA
Iron Canyon C below Iron Canyon Dam near Big Bend, CA is USGS streamgage 11363930 in California, monitoring river discharge in hydrologic subbasin 18020003. It drains a watershed of about 11 square miles. Discharge records at this site go back to 1966. Typical flow runs near 3.9 cfs in July and 3.8 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- California
- Drainage area
- 11 sq mi
- Gauge elevation
- 2,462 ft
- Subbasin (HUC-8)
- 18020003
- Coordinates
- 41.03932, -121.98528
- USGS site number
- 11363930
- Records begin
- 1966-09-01 (60 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 60 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 | 3.1 | 3.9 | 5.4 | |
| February | 3.1 | 3.9 | 5.5 | |
| March | 3.1 | 3.8 | 5.3 | |
| April | 3.1 | 3.8 | 5.2 | |
| May | 3.1 | 3.9 | 5.4 | |
| June | 3.1 | 3.9 | 5.6 | |
| July | 3.1 | 3.9 | 5.5 | |
| August | 3.1 | 3.8 | 5.2 | |
| September | 3.1 | 3.8 | 5.2 | |
| October | 3.1 | 3.8 | 5.1 | |
| November | 3.1 | 3.8 | 5.2 | |
| December | 3.1 | 3.8 | 5 |
All values in cubic feet per second (cfs).
Common questions
- When does Iron Canyon C below Iron Canyon Dam near Big Bend, CA normally run highest?
- January, on the long-term record. The median daily flow that month is about 3.9 cfs, against 3.8 cfs in March, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Iron Canyon C below Iron Canyon Dam near Big Bend, CA?
- It depends on the month. In January, half of days historically fall near 3.9 cfs, with the middle 80% of days between 3.1 and 5.4 cfs. The month-by-month table on this page gives the full range.
- How long has Iron Canyon C below Iron Canyon Dam near Big Bend, CA been measured?
- Discharge records at USGS site 11363930 begin in 1966, about 60 years, covering roughly 8,573 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Iron Canyon C below Iron Canyon Dam near Big Bend, CA?
- The gauge sits at 41.03932, -121.98528, in California, in hydrologic subbasin 18020003, at an elevation of about 2,462 feet, draining roughly 11 square miles.
- Can I use Iron Canyon C below Iron Canyon Dam 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.
Other gauges in this subbasin
- Pit River near Montgomery Creek, CA
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- 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
- Hat C near Burney, CA