USGS Streamgage 06091700
Two Medicine River below South Fork near Browning, MT
Two Medicine River below South Fork near Browning, MT is USGS streamgage 06091700 in Montana, monitoring river discharge in hydrologic subbasin 10030201. It drains a watershed of about 250 square miles. Discharge records at this site go back to 1977. Typical flow runs near 293.7 cfs in July and 389.1 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Montana
- Drainage area
- 250 sq mi
- Gauge elevation
- 4,159 ft
- Subbasin (HUC-8)
- 10030201
- Coordinates
- 48.42695, -112.98998
- USGS site number
- 06091700
- Records begin
- 1977-04-28 (49 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 49 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 | 24.6 | 50.8 | 112.3 | |
| February | 27.9 | 54.3 | 153.2 | |
| March | 40.5 | 103.7 | 345 | |
| April | 160.8 | 389.1 | 913.7 | |
| May | 508.4 | 1,014.5 | 2,038.4 | |
| June | 434.3 | 870.5 | 1,889.7 | |
| July | 195 | 293.7 | 589.3 | |
| August | 106.6 | 169 | 232.9 | |
| September | 36.4 | 89.6 | 184.2 | |
| October | 22.5 | 54.1 | 170.5 | |
| November | 21.7 | 62.2 | 294.3 | |
| December | 22.5 | 50.8 | 174.4 |
All values in cubic feet per second (cfs).