USGS Streamgage 12323233
Blacktail Creek above Grove Gulch, at Butte, MT
Blacktail Creek above Grove Gulch, at Butte, MT is USGS streamgage 12323233 in Montana, monitoring river discharge in hydrologic subbasin 17010201. It drains a watershed of about 90 square miles. Discharge records at this site go back to 2020. Typical flow runs near 6.6 cfs in July and 15.7 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Montana
- Drainage area
- 90 sq mi
- Gauge elevation
- 5,446 ft
- Subbasin (HUC-8)
- 17010201
- Coordinates
- 45.99127, -112.52736
- USGS site number
- 12323233
- Records begin
- 2020-04-30 (6 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 6 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 | — | 6.7 | — | |
| February | — | 6.9 | — | |
| March | — | 10.2 | — | |
| April | — | 15.7 | — | |
| May | — | 18.1 | — | |
| June | — | 12.7 | — | |
| July | — | 6.6 | — | |
| August | — | 6.5 | — | |
| September | — | 6.6 | — | |
| October | — | 9.8 | — | |
| November | — | 9.6 | — | |
| December | — | 7.1 | — |
All values in cubic feet per second (cfs).