USGS Streamgage 11421760
Dutch Flat No 2 Flume near Blue Canyon, CA
Dutch Flat No 2 Flume near Blue Canyon, CA is USGS streamgage 11421760 in California, monitoring river discharge in hydrologic subbasin 18020126. Discharge records at this site go back to 1965. Typical flow runs near 352.6 cfs in July and 434.7 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- California
- Subbasin (HUC-8)
- 18020126
- Coordinates
- 39.25434, -120.77549
- USGS site number
- 11421760
- Records begin
- 1965-10-13 (61 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 | 1 | 213.7 | 547 | |
| February | 2.6 | 296.9 | 566.9 | |
| March | 5.6 | 395.3 | 577.8 | |
| April | 2.4 | 434.7 | 581.6 | |
| May | 3.5 | 447.9 | 575.4 | |
| June | 4.5 | 384.2 | 556.5 | |
| July | 15.4 | 352.6 | 528.9 | |
| August | 9.5 | 327 | 536.6 | |
| September | 1.1 | 102.6 | 473.9 | |
| October | 0 | 107.6 | 469.1 | |
| November | 0 | 161.4 | 469.8 | |
| December | 2 | 226.9 | 525.2 |
All values in cubic feet per second (cfs).
Common questions
- When does Dutch Flat No 2 Flume near Blue Canyon, CA normally run highest?
- May, on the long-term record. The median daily flow that month is about 447.9 cfs, against 102.6 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 Dutch Flat No 2 Flume near Blue Canyon, CA?
- It depends on the month. In January, half of days historically fall near 213.7 cfs, with the middle 80% of days between 1 and 547 cfs. The month-by-month table on this page gives the full range.
- How long has Dutch Flat No 2 Flume near Blue Canyon, CA been measured?
- Discharge records at USGS site 11421760 begin in 1965, about 61 years, covering roughly 8,821 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Dutch Flat No 2 Flume near Blue Canyon, CA?
- The gauge sits at 39.25434, -120.77549, in California, in hydrologic subbasin 18020126.
- Can I use Dutch Flat No 2 Flume near Blue Canyon, 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
- Bear River below Drum Afterbay near Blue Canyon, CA
- Chicago Park Flume near Dutch Flat, CA
- Bear River below Dutch Flat Afterbay near Dutch Flat, CA
- Bear River Canal Intake near Colfax, CA
- Bear River below Rollins Dam near Colfax, CA
- Bear River near Wheatland, CA
- Dry C near Wheatland, CA
- Bear River near Emigrant Gap, CA