USGS Streamgage 13108150
Salmon Falls Creek near Hagerman, ID
Salmon Falls Creek near Hagerman, ID is USGS streamgage 13108150 in Idaho, monitoring river discharge in hydrologic subbasin 17040213. It drains a watershed of about 2,180 square miles. Discharge records at this site go back to 1970. Typical flow runs near 53.1 cfs in July and 157.7 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Idaho
- Drainage area
- 2,180 sq mi
- Subbasin (HUC-8)
- 17040213
- Coordinates
- 42.69639, -114.85528
- USGS site number
- 13108150
- Records begin
- 1970-04-06 (56 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 56 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 | 119.9 | 144.5 | 179.1 | |
| February | 108.4 | 137.1 | 179.4 | |
| March | 98.8 | 123.9 | 180.9 | |
| April | 98.3 | 157.7 | 228.9 | |
| May | 81.1 | 137.5 | 251.1 | |
| June | 40.3 | 98.1 | 192.2 | |
| July | 28.3 | 53.1 | 104.9 | |
| August | 40.9 | 79.8 | 143.7 | |
| September | 101.4 | 172.8 | 248.6 | |
| October | 182.2 | 230.2 | 284.2 | |
| November | 143.3 | 176.2 | 221.7 | |
| December | 131.1 | 157.1 | 187.9 |
All values in cubic feet per second (cfs).