USGS Streamgage 12434590
Sanpoil River above Jack Creek at Keller, WA
Sanpoil River above Jack Creek at Keller, WA is USGS streamgage 12434590 in Washington, monitoring river discharge in hydrologic subbasin 17020004. It drains a watershed of about 900 square miles. Discharge records at this site go back to 2006. Typical flow runs near 91.1 cfs in July and 791.2 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Washington
- Drainage area
- 900 sq mi
- Gauge elevation
- 1,415 ft
- Subbasin (HUC-8)
- 17020004
- Coordinates
- 48.08432, -118.6914
- USGS site number
- 12434590
- Records begin
- 2006-09-21 (20 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 20 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 | 37.2 | 89.2 | 246.1 | |
| February | 37 | 128.4 | 698.5 | |
| March | 105.5 | 431.6 | 1,322.1 | |
| April | 296.5 | 791.2 | 2,445.7 | |
| May | 252.9 | 507.9 | 1,539.6 | |
| June | 122.8 | 226 | 890.8 | |
| July | 42.5 | 91.1 | 249 | |
| August | 23.2 | 44.9 | 72 | |
| September | 20.3 | 35.7 | 55.4 | |
| October | 27.9 | 44.5 | 66.6 | |
| November | 35 | 57.8 | 141.8 | |
| December | 34.1 | 73.5 | 263.2 |
All values in cubic feet per second (cfs).