USGS Streamgage 06205000
Stillwater River near Absarokee, MT
Stillwater River near Absarokee, MT is USGS streamgage 06205000 in Montana, monitoring river discharge in hydrologic subbasin 10070005. It drains a watershed of about 936 square miles. Discharge records at this site go back to 1910. Typical flow runs near 2,085.2 cfs in July and 379.2 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Montana
- Drainage area
- 936 sq mi
- Gauge elevation
- 3,957 ft
- Subbasin (HUC-8)
- 10070005
- Coordinates
- 45.53674, -109.42206
- USGS site number
- 06205000
- Records begin
- 1910-08-01 (116 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 91 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 | 189.3 | 284.7 | 403.3 | |
| February | 181.1 | 265.7 | 377.6 | |
| March | 197.5 | 266.4 | 420.3 | |
| April | 234.5 | 379.2 | 687 | |
| May | 683.1 | 1,369.9 | 2,674.2 | |
| June | 1,660.7 | 3,209 | 5,707.7 | |
| July | 986.1 | 2,085.2 | 3,702.6 | |
| August | 452.1 | 779.5 | 1,274.6 | |
| September | 338.5 | 536.1 | 897.4 | |
| October | 342.5 | 509 | 714.3 | |
| November | 306.3 | 413.4 | 532.3 | |
| December | 226.2 | 323.2 | 433.5 |
All values in cubic feet per second (cfs).