USGS Streamgage 06125600
Musselshell River ab Big Coulee Creek at Lavina, MT
Musselshell River ab Big Coulee Creek at Lavina, MT is USGS streamgage 06125600 in Montana, monitoring river discharge in hydrologic subbasin 10040201. It drains a watershed of about 2,691 square miles. Discharge records at this site go back to 2012. Typical flow runs near 238.3 cfs in July and 63.8 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Montana
- Drainage area
- 2,691 sq mi
- Gauge elevation
- 3,423 ft
- Subbasin (HUC-8)
- 10040201
- Coordinates
- 46.28906, -108.93761
- USGS site number
- 06125600
- Records begin
- 2012-04-01 (14 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 14 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.
Only 9 of 12 months have enough record to summarize; the rest are omitted.
| Month | Low p10 | Typical p50 | High p90 | Range |
|---|---|---|---|---|
| March | — | 49.2 | — | |
| April | 17.7 | 63.8 | 741.2 | |
| May | 49.6 | 229.3 | 2,021.6 | |
| June | 120 | 273.1 | 2,234.3 | |
| July | 109.2 | 238.3 | 699.5 | |
| August | 72.8 | 170 | 345.5 | |
| September | 21.2 | 77.8 | 279.5 | |
| October | 14.4 | 56.7 | 252.2 | |
| November | — | 24.5 | — |
All values in cubic feet per second (cfs).