USGS Streamgage 12039510
Cook Creek below Hatchery near Quinault, WA
Cook Creek below Hatchery near Quinault, WA is USGS streamgage 12039510 in Washington, monitoring river discharge in hydrologic subbasin 17100102. It drains a watershed of about 20 square miles. Discharge records at this site go back to 2014. Typical flow runs near 30.9 cfs in July and 103.3 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Washington
- Drainage area
- 20 sq mi
- Gauge elevation
- 159 ft
- Subbasin (HUC-8)
- 17100102
- Coordinates
- 47.35833, -123.99399
- USGS site number
- 12039510
- Records begin
- 2014-10-01 (12 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 10 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 | 102.9 | 225.5 | 743.9 | |
| February | 83.6 | 160.9 | 470.1 | |
| March | 73 | 144.7 | 413.4 | |
| April | 60.5 | 103.3 | 288 | |
| May | 43.8 | 62.3 | 125.2 | |
| June | 33.8 | 43 | 121.9 | |
| July | 27.1 | 30.9 | 54 | |
| August | 20.6 | 27 | 41.5 | |
| September | 21.2 | 27.3 | 56.3 | |
| October | 23.4 | 51.7 | 255.5 | |
| November | 42.1 | 148.9 | 555.2 | |
| December | 80.2 | 181.5 | 576 |
All values in cubic feet per second (cfs).