USGS Streamgage 06307616
Tongue River at Birney Day School Br near Birney, MT
Tongue River at Birney Day School Br near Birney, MT is USGS streamgage 06307616 in Montana, monitoring river discharge in hydrologic subbasin 10090102. It drains a watershed of about 2,634 square miles. Discharge records at this site go back to 1979. Typical flow runs near 451.9 cfs in July and 217.1 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Montana
- Drainage area
- 2,634 sq mi
- Gauge elevation
- 3,062 ft
- Subbasin (HUC-8)
- 10090102
- Coordinates
- 45.41161, -106.45735
- USGS site number
- 06307616
- Records begin
- 1979-10-01 (47 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 47 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 | 91.4 | 158.7 | 222.6 | |
| February | 90.4 | 162 | 261 | |
| March | 92.5 | 183.9 | 396.6 | |
| April | 87.3 | 217.1 | 611.2 | |
| May | 181.4 | 533 | 1,553.5 | |
| June | 273.1 | 1,180 | 2,905.7 | |
| July | 305.4 | 451.9 | 1,078.9 | |
| August | 227 | 374.5 | 522.9 | |
| September | 142.1 | 293 | 458.8 | |
| October | 103 | 219.5 | 363.2 | |
| November | 100.3 | 201.6 | 338.5 | |
| December | 95.8 | 166.4 | 240.8 |
All values in cubic feet per second (cfs).