USGS Streamgage 12039500
Quinault River at Quinault Lake, WA
Quinault River at Quinault Lake, WA is USGS streamgage 12039500 in Washington, monitoring river discharge in hydrologic subbasin 17100102. It drains a watershed of about 264 square miles. Discharge records at this site go back to 1909. Typical flow runs near 1,488 cfs in July and 2,335.3 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Washington
- Drainage area
- 264 sq mi
- Gauge elevation
- 189 ft
- Subbasin (HUC-8)
- 17100102
- Coordinates
- 47.45759, -123.88934
- USGS site number
- 12039500
- Records begin
- 1909-11-01 (117 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 115 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 | 1,365.2 | 3,241 | 9,287.7 | |
| February | 1,325.5 | 2,707.6 | 7,353.4 | |
| March | 1,312.6 | 2,402.6 | 5,490 | |
| April | 1,491.7 | 2,335.3 | 4,338 | |
| May | 1,725.8 | 2,591 | 4,185.5 | |
| June | 1,459 | 2,490.3 | 4,124.7 | |
| July | 802.6 | 1,488 | 2,984.5 | |
| August | 446.8 | 730.7 | 1,509.7 | |
| September | 365.3 | 662.3 | 1,840.3 | |
| October | 461.2 | 1,531.3 | 5,496.8 | |
| November | 1,268.2 | 3,261 | 8,777 | |
| December | 1,599 | 3,442.6 | 9,821.3 |
All values in cubic feet per second (cfs).