USGS Streamgage 13090500
Snake River near Twin Falls, ID
Snake River near Twin Falls, ID is USGS streamgage 13090500 in Idaho, monitoring river discharge in hydrologic subbasin 17040212. It drains a watershed of about 22,360 square miles. Discharge records at this site go back to 1911. Typical flow runs near 734.5 cfs in July and 3,433 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Idaho
- Drainage area
- 22,360 sq mi
- Subbasin (HUC-8)
- 17040212
- Coordinates
- 42.60611, -114.47639
- USGS site number
- 13090500
- Records begin
- 1911-09-30 (115 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 115 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 | 575.6 | 2,537.4 | 6,652.9 | |
| February | 457.1 | 2,481.7 | 6,633.4 | |
| March | 338.4 | 2,652.3 | 7,443.2 | |
| April | 372.1 | 3,433 | 11,665.3 | |
| May | 430.4 | 1,877.1 | 16,119.4 | |
| June | 489.3 | 1,902 | 17,593 | |
| July | 495.4 | 734.5 | 6,645.5 | |
| August | 516.2 | 640.3 | 1,736.1 | |
| September | 533.8 | 735.2 | 2,821 | |
| October | 516.6 | 1,164.3 | 7,007.4 | |
| November | 474.9 | 1,449.3 | 7,576 | |
| December | 622.9 | 1,600.6 | 6,629.4 |
All values in cubic feet per second (cfs).
Other gauges in this subbasin
- Blue Lakes Outlet near Twin Falls Id Mv 15
- Rock Creek Ab Hwy 30/93 Xing at Twin Falls, ID
- Snake River at Pigeon Cove near Twin Falls, ID
- Snake River near Buhl, ID
- N Channel Snake River Upper Salmon Falls near Hagerman
- Snake River below Lower Salmon Falls near Hagerman, ID
- Snake River below Bliss Dam near Bliss, ID
- Lower Milner Power Plant at Milner, ID