USGS Streamgage 06278300
Shell Creek above Shell Reservoir, WY
Shell Creek above Shell Reservoir, WY is USGS streamgage 06278300 in Wyoming, monitoring river discharge in hydrologic subbasin 10080010. It drains a watershed of about 23 square miles. Discharge records at this site go back to 1956. Typical flow runs near 33.8 cfs in July and 3.5 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Wyoming
- Drainage area
- 23 sq mi
- Gauge elevation
- 9,084 ft
- Subbasin (HUC-8)
- 10080010
- Coordinates
- 44.50806, -107.40306
- USGS site number
- 06278300
- Records begin
- 1956-10-01 (70 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 67 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 | 1.8 | 2.7 | 4.1 | |
| February | 1.5 | 2.2 | 3.3 | |
| March | 1.4 | 2.2 | 3.2 | |
| April | 1.8 | 3.5 | 12.1 | |
| May | 20 | 67.2 | 240.2 | |
| June | 55.3 | 149.2 | 412.8 | |
| July | 12.8 | 33.8 | 88.3 | |
| August | 4.7 | 9.7 | 20.2 | |
| September | 3.8 | 7.1 | 16.1 | |
| October | 3.9 | 7.5 | 14.7 | |
| November | 3.5 | 5.4 | 9.1 | |
| December | 2.5 | 3.6 | 5.8 |
All values in cubic feet per second (cfs).