USGS Streamgage 06204070
W Rosebud Creek at Emerald Lake Campground near Roscoe
W Rosebud Creek at Emerald Lake Campground near Roscoe is USGS streamgage 06204070 in Montana, monitoring river discharge in hydrologic subbasin 10070005. It drains a watershed of about 66 square miles. Discharge records at this site go back to 2006. Typical flow runs near 378.5 cfs in July and 51.1 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Montana
- Drainage area
- 66 sq mi
- Gauge elevation
- 6,338 ft
- Subbasin (HUC-8)
- 10070005
- Coordinates
- 45.25439, -109.69989
- USGS site number
- 06204070
- Records begin
- 2006-06-01 (20 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 20 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 | 55 | 88.7 | 127.5 | |
| February | 55.7 | 79 | 112 | |
| March | 40.7 | 68.3 | 91.8 | |
| April | 29.9 | 51.1 | 80.1 | |
| May | 40.7 | 106.3 | 190.7 | |
| June | 148.4 | 269.6 | 521.2 | |
| July | 225.9 | 378.5 | 643 | |
| August | 141.6 | 206.6 | 277.2 | |
| September | 50.6 | 112.7 | 194.1 | |
| October | 75.1 | 86.4 | 127.4 | |
| November | 61 | 84.5 | 136.1 | |
| December | 52.2 | 83.5 | 136.8 |
All values in cubic feet per second (cfs).