USGS Streamgage 06166000
Beaver Creek below Guston Coulee near Saco, MT
Beaver Creek below Guston Coulee near Saco, MT is USGS streamgage 06166000 in Montana, monitoring river discharge in hydrologic subbasin 10050014. It drains a watershed of about 1,199 square miles. Discharge records at this site go back to 1920. Typical flow runs near 1.9 cfs in July and 3.1 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Montana
- Drainage area
- 1,199 sq mi
- Gauge elevation
- 2,216 ft
- Subbasin (HUC-8)
- 10050014
- Coordinates
- 48.35678, -107.58219
- USGS site number
- 06166000
- Records begin
- 1920-04-01 (106 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 44 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 | — | 0 | — | |
| February | — | 2.9 | — | |
| March | 0 | 4.3 | 160.5 | |
| April | 0 | 3.1 | 124.4 | |
| May | 0 | 7 | 199.6 | |
| June | 0.2 | 15.6 | 268.2 | |
| July | 0 | 1.9 | 104.3 | |
| August | 0 | 1.9 | 27.6 | |
| September | 0 | 0.8 | 20.6 | |
| October | 0 | 0 | 28.3 | |
| November | — | 0.3 | — | |
| December | — | 0 | — |
All values in cubic feet per second (cfs).