USGS Streamgage 09216050
Big Sandy River at Gasson Bridge, near Eden, WY
Big Sandy River at Gasson Bridge, near Eden, WY is USGS streamgage 09216050 in Wyoming, monitoring river discharge in hydrologic subbasin 14040104. It drains a watershed of about 1,485 square miles. Discharge records at this site go back to 1972. Typical flow runs near 78.4 cfs in July and 58.3 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Wyoming
- Drainage area
- 1,485 sq mi
- Gauge elevation
- 6,349 ft
- Subbasin (HUC-8)
- 14040104
- Coordinates
- 41.94743, -109.68824
- USGS site number
- 09216050
- Records begin
- 1972-05-01 (54 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 35 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 | 12.2 | 28.7 | 42.9 | |
| February | 13.1 | 29.6 | 44.6 | |
| March | 29.4 | 52.7 | 166 | |
| April | 30.7 | 58.3 | 198.5 | |
| May | 22.2 | 50.1 | 158.6 | |
| June | 27.1 | 72.4 | 407.3 | |
| July | 27.3 | 78.4 | 219.1 | |
| August | 28.3 | 75 | 107 | |
| September | 28 | 72.9 | 97.2 | |
| October | 27.3 | 57.7 | 82.3 | |
| November | 26.8 | 48.3 | 70.4 | |
| December | 14.5 | 35.6 | 54.4 |
All values in cubic feet per second (cfs).