USGS Streamgage 12350250
Bitterroot River at Bell Crossing near Victor, MT
Bitterroot River at Bell Crossing near Victor, MT is USGS streamgage 12350250 in Montana, monitoring river discharge in hydrologic subbasin 17010205. It drains a watershed of about 1,944 square miles. Discharge records at this site go back to 1987. Typical flow runs near 934.5 cfs in July and 1,686.8 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Montana
- Drainage area
- 1,944 sq mi
- Gauge elevation
- 3,327 ft
- Subbasin (HUC-8)
- 17010205
- Coordinates
- 46.4432, -114.12377
- USGS site number
- 12350250
- Records begin
- 1987-04-01 (39 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 38 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 | — | 479.9 | — | |
| February | — | 450.5 | — | |
| March | 400.2 | 711.5 | 2,238.1 | |
| April | 593.3 | 1,686.8 | 3,716 | |
| May | 1,869.8 | 4,331.6 | 9,251.3 | |
| June | 1,861.6 | 5,163 | 9,463 | |
| July | 340.6 | 934.5 | 2,774.9 | |
| August | 193.5 | 341.9 | 639.9 | |
| September | 217.3 | 368.5 | 597.7 | |
| October | 289.4 | 440 | 948.2 | |
| November | — | 865.5 | — | |
| December | — | 780.9 | — |
All values in cubic feet per second (cfs).