USGS Streamgage 13057940
Willow Creek below Tex Creek near Ririe, ID
Willow Creek below Tex Creek near Ririe, ID is USGS streamgage 13057940 in Idaho, monitoring river discharge in hydrologic subbasin 17040205. It drains a watershed of about 568 square miles. Discharge records at this site go back to 1977. Typical flow runs near 38.2 cfs in July and 238.7 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Idaho
- Drainage area
- 568 sq mi
- Subbasin (HUC-8)
- 17040205
- Coordinates
- 43.44194, -111.72833
- USGS site number
- 13057940
- Records begin
- 1977-08-24 (49 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 49 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 | 20 | 32.3 | 58.2 | |
| February | 20.1 | 38 | 66 | |
| March | 31.5 | 64.1 | 168.8 | |
| April | 91.7 | 238.7 | 775.9 | |
| May | 87.1 | 291.3 | 945.3 | |
| June | 35.4 | 116.6 | 369.4 | |
| July | 11.4 | 38.2 | 126.7 | |
| August | 7.6 | 21.3 | 69.4 | |
| September | 10.8 | 21.9 | 60.3 | |
| October | 16.5 | 32.3 | 65.6 | |
| November | 20.4 | 36.2 | 66.7 | |
| December | 18.7 | 34.8 | 61.5 |
All values in cubic feet per second (cfs).