USGS Streamgage 13311000
EF of SF Salmon River at Stibnite, ID
EF of SF Salmon River at Stibnite, ID is USGS streamgage 13311000 in Idaho, monitoring river discharge in hydrologic subbasin 17060208. It drains a watershed of about 19 square miles. Discharge records at this site go back to 1928. Typical flow runs near 24.7 cfs in July and 20.4 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Idaho
- Drainage area
- 19 sq mi
- Subbasin (HUC-8)
- 17060208
- Coordinates
- 44.90572, -115.3295
- USGS site number
- 13311000
- Records begin
- 1928-06-15 (98 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 98 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 | 5.9 | 7.8 | 10.3 | |
| February | 6 | 7.5 | 10.4 | |
| March | 6.1 | 8.1 | 14.3 | |
| April | 9.3 | 20.4 | 48.2 | |
| May | 35.2 | 78.7 | 161.2 | |
| June | 31.7 | 85.3 | 184.6 | |
| July | 13.4 | 24.7 | 62.6 | |
| August | 7.9 | 12.9 | 20.7 | |
| September | 6.9 | 10.4 | 15 | |
| October | 6.7 | 10.1 | 15.6 | |
| November | 6.8 | 9.5 | 15.3 | |
| December | 5.9 | 8.3 | 12.6 |
All values in cubic feet per second (cfs).
Common questions
- When does EF of SF Salmon River at Stibnite, ID normally run highest?
- June, on the long-term record. The median daily flow that month is about 85.3 cfs, against 7.5 cfs in February, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for EF of SF Salmon River at Stibnite, ID?
- It depends on the month. In January, half of days historically fall near 7.8 cfs, with the middle 80% of days between 5.9 and 10.3 cfs. The month-by-month table on this page gives the full range.
- How long has EF of SF Salmon River at Stibnite, ID been measured?
- Discharge records at USGS site 13311000 begin in 1928, about 98 years, covering roughly 5,752 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is EF of SF Salmon River at Stibnite, ID?
- The gauge sits at 44.90572, -115.3295, in Idaho, in hydrologic subbasin 17060208, draining roughly 19 square miles.
- Can I use EF of SF Salmon River at Stibnite, ID 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.