USGS Streamgage 13296000
Yankee Fork Salmon River near Clayton, ID
Yankee Fork Salmon River near Clayton, ID is USGS streamgage 13296000 in Idaho, monitoring river discharge in hydrologic subbasin 17060201. It drains a watershed of about 189 square miles. Discharge records at this site go back to 1921. Typical flow runs near 179.4 cfs in July and 211.8 cfs in April, with the higher of the two arriving in April. Rivermatics issues a daily machine-learned flow outlook for this gauge, reaching 14 days ahead, alongside daily high and low water-temperature forecasts.
View live conditions & forecast →
Gauge details
- State
- Idaho
- Drainage area
- 189 sq mi
- Subbasin (HUC-8)
- 17060201
- Coordinates
- 44.27889, -114.73389
- USGS site number
- 13296000
- Records begin
- 1921-05-01 (105 years)
- Rivermatics forecast
- 14-day flow outlook + water temperature
14-day flow forecast
Based on observations through for Yankee Fork Salmon River near Clayton, ID. Each day carries a median estimate and the band the model expects the flow to fall within — not a single number to plan against. Forecasts are re-issued daily; see the live screen for the current outlook.
| Date | Low p10 | Expected p50 | High p90 | Range |
|---|---|---|---|---|
| 65.6 | 68.4 | 70.9 | ||
| 63.5 | 66.9 | 69.8 | ||
| 61.8 | 65.5 | 68.8 | ||
| 60.7 | 64.7 | 68.2 | ||
| 59.9 | 63.8 | 67.4 | ||
| 59.3 | 63.5 | 67.5 | ||
| 58.7 | 62.9 | 66.7 | ||
| 57.8 | 62.1 | 66 | ||
| 57.2 | 61.4 | 65.4 | ||
| 56.4 | 60.7 | 64.8 | ||
| 55.8 | 60 | 64.2 | ||
| 55.2 | 59.5 | 63.7 | ||
| 54.6 | 58.9 | 63.2 | ||
| 54 | 58.4 | 62.7 |
All values in cubic feet per second (cfs). Estimates only — do not use them for navigation or for any safety, rescue, or emergency decision.
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 105 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 | 35.3 | 46.5 | 60 | |
| February | 39.1 | 44.9 | 59.7 | |
| March | 39.3 | 55.7 | 114.1 | |
| April | 71.3 | 211.8 | 470.8 | |
| May | 336 | 677.5 | 1,444.6 | |
| June | 238.1 | 603.3 | 1,485.5 | |
| July | 84 | 179.4 | 329.9 | |
| August | 55.8 | 90.2 | 120.4 | |
| September | 50.1 | 70.1 | 87 | |
| October | 48 | 65.1 | 90.4 | |
| November | 41.1 | 60.8 | 85.3 | |
| December | 36.8 | 51.7 | 72.1 |
All values in cubic feet per second (cfs).
Common questions
- When does Yankee Fork Salmon River near Clayton, ID normally run highest?
- May, on the long-term record. The median daily flow that month is about 677.5 cfs, against 44.9 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 Yankee Fork Salmon River near Clayton, ID?
- It depends on the month. In January, half of days historically fall near 46.5 cfs, with the middle 80% of days between 35.3 and 60 cfs. The month-by-month table on this page gives the full range.
- How long has Yankee Fork Salmon River near Clayton, ID been measured?
- Discharge records at USGS site 13296000 begin in 1921, about 105 years, covering roughly 5,265 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Is there a flow forecast for Yankee Fork Salmon River near Clayton, ID?
- Yes. Rivermatics trains a machine-learned model — a temporal-fusion transformer — on this basin's observed flows, weather, and snowpack, and issues a daily flow outlook reaching 14 days ahead: a median estimate inside a confidence band, not a single number to bet on. A companion model forecasts each day's water-temperature high and low. Every forecast is scored against days the model never trained on, and that track record is published on the live gauge screen. Open live conditions to see the current outlook.
- Where is Yankee Fork Salmon River near Clayton, ID?
- The gauge sits at 44.27889, -114.73389, in Idaho, in hydrologic subbasin 17060201, draining roughly 189 square miles.
- Can I use Yankee Fork Salmon River near Clayton, 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.