USGS Streamgage 06197800
East Boulder River below Dry Fork Creek near McLeod, MT
East Boulder River below Dry Fork Creek near McLeod, MT is USGS streamgage 06197800 in Montana, monitoring river discharge in hydrologic subbasin 10070002. It drains a watershed of about 39 square miles. Discharge records at this site go back to 2019. Typical flow runs near 46.2 cfs in July and 6.7 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Montana
- Drainage area
- 39 sq mi
- Gauge elevation
- 6,152 ft
- Subbasin (HUC-8)
- 10070002
- Coordinates
- 45.51233, -110.08772
- USGS site number
- 06197800
- Records begin
- 2019-10-04 (7 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 7 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 | — | 7 | — | |
| February | — | 5.3 | — | |
| March | — | 4.3 | — | |
| April | — | 6.7 | — | |
| May | — | 85.5 | — | |
| June | — | 251.8 | — | |
| July | — | 46.2 | — | |
| August | — | 20.6 | — | |
| September | — | 14.9 | — | |
| October | — | 14.4 | — | |
| November | — | 11.3 | — | |
| December | — | 9.1 | — |
All values in cubic feet per second (cfs).