USGS Streamgage 12308000
Kootenai River Bel Moyie River near Bonners Ferry, ID
Kootenai River Bel Moyie River near Bonners Ferry, ID is USGS streamgage 12308000 in Idaho, monitoring river discharge in hydrologic subbasin 17010104. Discharge records at this site go back to 2010. Typical flow runs near 11,406.5 cfs in July and 12,385.3 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Idaho
- Gauge elevation
- 1,782 ft
- Subbasin (HUC-8)
- 17010104
- Coordinates
- 48.6993, -116.19624
- USGS site number
- 12308000
- Records begin
- 2010-09-01 (16 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 16 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 | 4,953.2 | 6,114.5 | 20,077.4 | |
| February | 4,916.4 | 6,307.6 | 19,414.3 | |
| March | 5,257.1 | 8,806.5 | 23,600 | |
| April | 7,632.7 | 12,385.3 | 35,133.3 | |
| May | 18,803.2 | 29,503.2 | 40,138.7 | |
| June | 13,094 | 22,850 | 43,540 | |
| July | 8,331.3 | 11,406.5 | 32,551.6 | |
| August | 7,665.5 | 9,887.7 | 17,141.9 | |
| September | 6,700.3 | 7,582.7 | 9,844.3 | |
| October | 4,701.3 | 5,087.1 | 8,160 | |
| November | 5,710.3 | 14,013.7 | 23,330 | |
| December | 9,478.4 | 21,543.9 | 29,300 |
All values in cubic feet per second (cfs).