USGS Streamgage 12451000
Stehekin River at Stehekin, WA
Stehekin River at Stehekin, WA is USGS streamgage 12451000 in Washington, monitoring river discharge in hydrologic subbasin 17020009. It drains a watershed of about 321 square miles. Discharge records at this site go back to 1910. Typical flow runs near 2,268.7 cfs in July and 1,272.1 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Washington
- Drainage area
- 321 sq mi
- Gauge elevation
- 1,143 ft
- Subbasin (HUC-8)
- 17020009
- Coordinates
- 48.32958, -120.69177
- USGS site number
- 12451000
- Records begin
- 1910-12-01 (116 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 116 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 | 175.5 | 334.9 | 719.5 | |
| February | 178.4 | 306.4 | 855.1 | |
| March | 240.4 | 433.3 | 1,022.1 | |
| April | 633.9 | 1,272.1 | 2,508.7 | |
| May | 1,790 | 3,203.5 | 6,016.8 | |
| June | 2,124.7 | 3,749.3 | 6,375.3 | |
| July | 1,277.5 | 2,268.7 | 4,286.1 | |
| August | 700.2 | 1,089.2 | 1,874.5 | |
| September | 404.8 | 608.5 | 1,001.2 | |
| October | 262.6 | 468.8 | 1,129.5 | |
| November | 244.8 | 501.9 | 1,460.7 | |
| December | 204.1 | 380.5 | 1,038.7 |
All values in cubic feet per second (cfs).