USGS Streamgage 06287800
Bighorn River at bridge, at St. Xavier, MT
Bighorn River at bridge, at St. Xavier, MT is USGS streamgage 06287800 in Montana, monitoring river discharge in hydrologic subbasin 10080015. It drains a watershed of about 19,906 square miles. Discharge records at this site go back to 2011. Typical flow runs near 3,446.1 cfs in July and 3,234.3 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Montana
- Drainage area
- 19,906 sq mi
- Gauge elevation
- 3,041 ft
- Subbasin (HUC-8)
- 10080015
- Coordinates
- 45.46075, -107.74933
- USGS site number
- 06287800
- Records begin
- 2011-06-11 (15 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.
| Month | Low p10 | Typical p50 | High p90 | Range |
|---|---|---|---|---|
| January | 2,014.5 | 2,585.2 | 3,559.4 | |
| February | 1,970.4 | 2,676.6 | 3,935 | |
| March | 1,892.6 | 2,954.2 | 6,588.1 | |
| April | 1,874.7 | 3,234.3 | 9,328 | |
| May | 1,894.5 | 3,667.1 | 10,945.2 | |
| June | 1,827.3 | 4,146.7 | 13,823.3 | |
| July | 1,891.9 | 3,446.1 | 10,398.7 | |
| August | 1,775.8 | 2,351.9 | 3,757.4 | |
| September | 1,681.3 | 2,370 | 3,756 | |
| October | 1,778.7 | 2,624.2 | 4,507.1 | |
| November | 1,909.7 | 2,543.3 | 4,046.7 | |
| December | 2,000 | 2,581.3 | 3,566.1 |
All values in cubic feet per second (cfs).