4 USGS Streamgages · Sacramento River system
Nf Feather River flows and levels
Nf Feather River is gauged at 4 USGS streamgages in California, each tracked by Rivermatics. It feeds the Feather River. It drains into the Sacramento River system. Drainage area at the gauges ranges from 493 square miles at NF Feather River near Prattville, CA up to 1,914 at NF Feather River below Grizzly C, CA. The gauged reach falls about 1,579 feet, from 4,390 feet down to 2,811.
Gauges on this river, upstream to downstream
Ordered by drainage area, which is how far down the river each gauge sits. April and July figures are long-term median daily flows for that month from the USGS record — historical normals, not a forecast and not today's reading.
| Gauge | State | Drainage sq mi | Elevation ft | April p50 cfs | July p50 cfs | Forecast |
|---|---|---|---|---|---|---|
| NF Feather River near Prattville, CA | CA | 493 | 4,390 | 37.9 | 42.1 | — |
| NF Feather River below Belden Dam, CA | CA | 612 | 2,811 | 96.3 | 144.4 | — |
| NF Feather River below Rock C Diversion Dam, CA | CA | 1,773 | — | 340.9 | 227.5 | — |
| NF Feather River below Grizzly C, CA | CA | 1,914 | — | 403.4 | 247.5 | — |
Typical flow by month at NF Feather River below Grizzly C, CA
The furthest-downstream gauge on this river, so the fullest flow it carries here. Long-term daily discharge percentiles from the USGS record (up to 41 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 | 62.4 | 338.5 | 3,653.8 | |
| February | 77.4 | 372.7 | 5,383.4 | |
| March | 128.3 | 474.6 | 6,282.3 | |
| April | 108.1 | 403.4 | 6,143.3 | |
| May | 75.1 | 476.7 | 5,167.1 | |
| June | 60.4 | 288.6 | 2,125.6 | |
| July | 57.4 | 247.5 | 560.1 | |
| August | 56.6 | 250.9 | 453.3 | |
| September | 57.9 | 243.7 | 443.5 | |
| October | 57.1 | 203 | 489.3 | |
| November | 57.9 | 184.6 | 659.9 | |
| December | 59.5 | 259.5 | 2,465.8 |
All values in cubic feet per second (cfs).
Common questions
- When does the Nf Feather River run highest?
- May, on the long-term record at NF Feather River below Grizzly C, CA — the furthest-downstream gauge Rivermatics tracks on this river. Median daily flow there is about 476.7 cfs that month, against 184.6 cfs in November, the lowest. Upstream gauges peak on their own schedule; the table on this page gives April and July for each.
- How many gauges are on the Nf Feather River?
- Rivermatics tracks 4 USGS streamgages on the Nf Feather River, across California. Each has its own page with the site's full flow record and monthly normals. The river may carry other gauges that publish neither daily values nor discharge statistics; those are not tracked here.
- What river system is the Nf Feather River part of?
- The Nf Feather River drains into the Sacramento River system — it is a tributary somewhere in that chain, following the flowpath down to its terminal river. Rivermatics builds this from the USGS/geoconnex reference-mainstem network rather than from names.
- Can I use Nf Feather River 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 rivers in the Sacramento River system
- Bear River 5 gauges
- Sf American River 4 gauges
- Hat C 3 gauges
- Mccloud River 3 gauges
- Sf Feather River 3 gauges
- American River 2 gauges
- Canyon C 2 gauges
- M Yuba River 2 gauges