USGS Streamgage 12096500
Puyallup River at Alderton, WA
Puyallup River at Alderton, WA is USGS streamgage 12096500 in Washington, monitoring river discharge in hydrologic subbasin 17110014. It drains a watershed of about 438 square miles. Discharge records at this site go back to 1915. Typical flow runs near 1,231.6 cfs in July and 1,498 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Washington
- Drainage area
- 438 sq mi
- Gauge elevation
- 49 ft
- Subbasin (HUC-8)
- 17110014
- Coordinates
- 47.1851, -122.22956
- USGS site number
- 12096500
- Records begin
- 1915-12-22 (111 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 | 912.3 | 1,730 | 4,594.5 | |
| February | 801.5 | 1,367.9 | 4,052.1 | |
| March | 826.2 | 1,435.5 | 3,497.1 | |
| April | 1,011.9 | 1,498 | 2,878 | |
| May | 1,042.6 | 1,814.8 | 3,179.7 | |
| June | 932.7 | 1,749.7 | 3,257 | |
| July | 882.8 | 1,231.6 | 1,943.2 | |
| August | 710.8 | 960.1 | 1,290 | |
| September | 472.5 | 717 | 1,112.8 | |
| October | 405.6 | 740.3 | 2,336.6 | |
| November | 696.6 | 1,487 | 4,699 | |
| December | 768.1 | 1,581.6 | 4,024.8 |
All values in cubic feet per second (cfs).
Other gauges in this subbasin
- Puyallup River at E Main Bridge at Puyallup, WA
- Huckleberry Creek near Greenwater, WA
- Greenwater River at Greenwater, WA
- Clearwater River near Buckley, WA
- White River below Clearwater River near Buckley, WA
- White River near Buckley, WA
- White River Flume at Buckley, WA
- White River above Boise Creek at Buckley, WA