USGS Streamgage 13055000
Teton River near St Anthony, ID
Teton River near St Anthony, ID is USGS streamgage 13055000 in Idaho, monitoring river discharge in hydrologic subbasin 17040204. It drains a watershed of about 876 square miles. Discharge records at this site go back to 1890. Typical flow runs near 1,050.3 cfs in July and 681.7 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Idaho
- Drainage area
- 876 sq mi
- Subbasin (HUC-8)
- 17040204
- Coordinates
- 43.92722, -111.61389
- USGS site number
- 13055000
- Records begin
- 1890-01-01 (136 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 136 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 | 305.3 | 375.4 | 481 | |
| February | 305.8 | 379.7 | 485.1 | |
| March | 342.1 | 430.7 | 703.3 | |
| April | 440.6 | 681.7 | 1,179.3 | |
| May | 848.9 | 1,497.2 | 2,687.1 | |
| June | 1,046.4 | 1,932 | 3,614 | |
| July | 682.7 | 1,050.3 | 1,988.4 | |
| August | 501.9 | 717.4 | 968.5 | |
| September | 428.6 | 605.8 | 777 | |
| October | 408.3 | 525.6 | 686.4 | |
| November | 367 | 474.3 | 617.6 | |
| December | 325.2 | 409.9 | 519.7 |
All values in cubic feet per second (cfs).