USGS Streamgage 13206305
Boise River South Channel at Eagle, ID
Boise River South Channel at Eagle, ID is USGS streamgage 13206305 in Idaho, monitoring river discharge in hydrologic subbasin 17050114. It drains a watershed of about 2,778 square miles. Discharge records at this site go back to 1999. Typical flow runs near 656.9 cfs in July and 523.6 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Idaho
- Drainage area
- 2,778 sq mi
- Subbasin (HUC-8)
- 17050114
- Coordinates
- 43.67528, -116.35361
- USGS site number
- 13206305
- Records begin
- 1999-11-01 (27 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 27 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 | 104.4 | 207.2 | 284.5 | |
| February | 117.8 | 220.6 | 457.4 | |
| March | 114.8 | 231.6 | 1,622.5 | |
| April | 282.9 | 523.6 | 2,755 | |
| May | 439.9 | 757.2 | 3,090 | |
| June | 480 | 790.6 | 2,161.7 | |
| July | 506.4 | 656.9 | 988.5 | |
| August | 438 | 534.9 | 766 | |
| September | 323.5 | 418.5 | 501.4 | |
| October | 181.9 | 257.8 | 334.7 | |
| November | 121.6 | 204.8 | 238.2 | |
| December | 107.1 | 201.6 | 241.3 |
All values in cubic feet per second (cfs).
Other gauges in this subbasin
- Eagle Drain at Eagle, ID
- Boise River near Middleton, ID
- Fifteenmile Creek near Midland Blvd near Middleton, ID
- N Middleton Drain Mill Slough at Middleton, ID
- South Middleton Drain at Middleton, ID
- Mason Creek at Caldwell, ID
- W Hartley Gulch near Caldwell, ID
- East Hartley above Backwater near Caldwell, ID