USGS Streamgage 06077200
Smith River below Eagle Creek near Fort Logan, MT
Smith River below Eagle Creek near Fort Logan, MT is USGS streamgage 06077200 in Montana, monitoring river discharge in hydrologic subbasin 10030103. It drains a watershed of about 1,087 square miles. Discharge records at this site go back to 1996. Typical flow runs near 166.4 cfs in July and 264.8 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Montana
- Drainage area
- 1,087 sq mi
- Gauge elevation
- 4,350 ft
- Subbasin (HUC-8)
- 10030103
- Coordinates
- 46.82798, -111.19224
- USGS site number
- 06077200
- Records begin
- 1996-10-01 (30 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 30 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 | 66.7 | 91.5 | 148.6 | |
| February | 66.7 | 99.8 | 161.1 | |
| March | 80.3 | 143.7 | 287.4 | |
| April | 125 | 264.8 | 536 | |
| May | 249.1 | 564.3 | 1,273.9 | |
| June | 224.7 | 481.6 | 1,470.4 | |
| July | 84.3 | 166.4 | 528.5 | |
| August | 46.6 | 86.4 | 193.7 | |
| September | 58.1 | 103.9 | 208.5 | |
| October | 87.9 | 128.1 | 190.7 | |
| November | 74.4 | 120.9 | 182.1 | |
| December | 64 | 97 | 152.9 |
All values in cubic feet per second (cfs).