USGS Streamgage 12331800
Clark Fork near Drummond, MT
Clark Fork near Drummond, MT is USGS streamgage 12331800 in Montana, monitoring river discharge in hydrologic subbasin 17010202. It drains a watershed of about 2,516 square miles. Discharge records at this site go back to 1993. Typical flow runs near 534.8 cfs in July and 763.4 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Montana
- Drainage area
- 2,516 sq mi
- Gauge elevation
- 3,794 ft
- Subbasin (HUC-8)
- 17010202
- Coordinates
- 46.71191, -113.33078
- USGS site number
- 12331800
- Records begin
- 1993-04-01 (33 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 33 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 | 310.2 | 498.1 | 681.2 | |
| February | 334.1 | 532 | 804 | |
| March | 454.4 | 628.5 | 1,003.5 | |
| April | 505.7 | 763.4 | 1,476.3 | |
| May | 465.3 | 1,075 | 2,480 | |
| June | 555.4 | 1,274.2 | 3,257.7 | |
| July | 277.9 | 534.8 | 1,552.2 | |
| August | 172.8 | 282.8 | 688.6 | |
| September | 228.2 | 379.4 | 689.1 | |
| October | 417.3 | 572.5 | 808.3 | |
| November | 445 | 568.4 | 807.1 | |
| December | 340.7 | 511.3 | 677.5 |
All values in cubic feet per second (cfs).