USGS Streamgage 12025700
Skookumchuck River near Vail, WA
Skookumchuck River near Vail, WA is USGS streamgage 12025700 in Washington, monitoring river discharge in hydrologic subbasin 17100103. It drains a watershed of about 40 square miles. Discharge records at this site go back to 1967. Typical flow runs near 40.4 cfs in July and 198.1 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Washington
- Drainage area
- 40 sq mi
- Gauge elevation
- 753 ft
- Subbasin (HUC-8)
- 17100103
- Coordinates
- 46.7726, -122.59401
- USGS site number
- 12025700
- Records begin
- 1967-10-01 (59 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 59 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 | 105.4 | 275.3 | 880.5 | |
| February | 108 | 241.5 | 697.8 | |
| March | 114.6 | 252.9 | 614.1 | |
| April | 105.1 | 198.1 | 428.4 | |
| May | 60.8 | 118.4 | 238.8 | |
| June | 39.7 | 71.6 | 176 | |
| July | 26.2 | 40.4 | 63.8 | |
| August | 18.2 | 26.3 | 41.9 | |
| September | 16.4 | 25 | 68.6 | |
| October | 20.2 | 50.2 | 205.7 | |
| November | 57.9 | 201.2 | 687.7 | |
| December | 101.1 | 268.8 | 882.2 |
All values in cubic feet per second (cfs).
Other gauges in this subbasin
- Skookumchuck River below Bldy Run Creek near Centralia, WA
- Skookumchuck River near Bucoda, WA
- Chehalis River near Grand Mound, WA
- Chehalis River near Rochester, WA
- Chehalis River at Porter, WA
- Chehalis River near Doty, WA
- Elk Creek below Deer Creek near Doty, WA
- South Fork Chehalis River near Wildwood, WA