USGS Streamgage 06638090
Sweetwater River near Sweetwater Station, WY
Sweetwater River near Sweetwater Station, WY is USGS streamgage 06638090 in Wyoming, monitoring river discharge in hydrologic subbasin 10180006. It drains a watershed of about 854 square miles. Discharge records at this site go back to 1973. Typical flow runs near 70.3 cfs in July and 151.9 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Wyoming
- Drainage area
- 854 sq mi
- Gauge elevation
- 6,593 ft
- Subbasin (HUC-8)
- 10180006
- Coordinates
- 42.50382, -108.2507
- USGS site number
- 06638090
- Records begin
- 1973-10-01 (53 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 53 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 | 7.7 | 18.3 | 32 | |
| February | 9.2 | 24.1 | 44.9 | |
| March | 21.9 | 48.4 | 106.8 | |
| April | 70.9 | 151.9 | 601.3 | |
| May | 115 | 338.4 | 997.5 | |
| June | 96.1 | 324.8 | 828.9 | |
| July | 24.9 | 70.3 | 245.1 | |
| August | 7 | 23.3 | 68.5 | |
| September | 8.2 | 21.7 | 45.4 | |
| October | 17.3 | 32.2 | 58 | |
| November | 13.9 | 30.6 | 52.1 | |
| December | 9.5 | 20.7 | 36.1 |
All values in cubic feet per second (cfs).