USGS Streamgage 12323800
Clark Fork near Galen, MT
Clark Fork near Galen, MT is USGS streamgage 12323800 in Montana, monitoring river discharge in hydrologic subbasin 17010201. It drains a watershed of about 656 square miles. Discharge records at this site go back to 1988. Typical flow runs near 117.2 cfs in July and 142.4 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Montana
- Drainage area
- 656 sq mi
- Gauge elevation
- 4,758 ft
- Subbasin (HUC-8)
- 17010201
- Coordinates
- 46.20824, -112.76735
- USGS site number
- 12323800
- Records begin
- 1988-07-01 (38 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 | 50.9 | 86.2 | 137.1 | |
| February | 56.7 | 95.9 | 138.6 | |
| March | 74.4 | 111 | 173.6 | |
| April | 82.6 | 142.4 | 235 | |
| May | 98 | 264.6 | 537.8 | |
| June | 127.1 | 339.5 | 793.3 | |
| July | 46.2 | 117.2 | 357.3 | |
| August | 21.8 | 66.5 | 170.9 | |
| September | 34 | 69.9 | 144.8 | |
| October | 53.2 | 94.3 | 163.4 | |
| November | 61.7 | 101.9 | 163.2 | |
| December | 52.6 | 91.5 | 138.9 |
All values in cubic feet per second (cfs).
Other gauges in this subbasin
- Lost Creek near Anaconda, MT
- Lost Creek near Galen, MT
- Clark Fork at Deer Lodge, MT
- Clark Fork ab Little Blackfoot River near Garrison, MT
- Little Blackfoot River near Garrison, MT
- Clark Fork at Goldcreek, MT
- Blacktail Creek above Grove Gulch, at Butte, MT
- Silver Bow Creek at Montana Street, at Butte, MT