USGS Streamgage 06074000
Missouri River at Cascade, MT
Missouri River at Cascade, MT is USGS streamgage 06074000 in Montana, monitoring river discharge in hydrologic subbasin 10030102. It drains a watershed of about 18,173 square miles. Discharge records at this site go back to 1902. Typical flow runs near 5,672.6 cfs in July and 6,070 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Montana
- Drainage area
- 18,173 sq mi
- Gauge elevation
- 3,354 ft
- Subbasin (HUC-8)
- 10030102
- Coordinates
- 47.26949, -111.69523
- USGS site number
- 06074000
- Records begin
- 1902-07-01 (124 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 124 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 | 2,750 | 3,500 | 5,061.9 | |
| February | 3,000 | 3,686.9 | 5,488.2 | |
| March | 3,314.8 | 4,222.3 | 6,489 | |
| April | 3,746 | 6,070 | 10,395.7 | |
| May | 4,111.6 | 9,082.6 | 16,722.6 | |
| June | 4,587.7 | 11,703.7 | 26,643.3 | |
| July | 3,238.7 | 5,672.6 | 11,594.8 | |
| August | 2,022.3 | 3,957.4 | 5,491.9 | |
| September | 2,086.7 | 3,996.7 | 5,134.7 | |
| October | 2,737.4 | 3,960 | 6,142.6 | |
| November | 3,043 | 4,110.7 | 5,910.3 | |
| December | 2,943.5 | 3,734.8 | 5,138.1 |
All values in cubic feet per second (cfs).