USGS Streamgage 12088400
Nisqually River Ab Powell Creek near McKenna, WA
Nisqually River Ab Powell Creek near McKenna, WA is USGS streamgage 12088400 in Washington, monitoring river discharge in hydrologic subbasin 17110015. It drains a watershed of about 431 square miles. Discharge records at this site go back to 1969. Typical flow runs near 955 cfs in July and 1,700 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Washington
- Drainage area
- 431 sq mi
- Gauge elevation
- 397 ft
- Subbasin (HUC-8)
- 17110015
- Coordinates
- 46.8509, -122.43537
- USGS site number
- 12088400
- Records begin
- 1969-03-01 (57 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 11 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 | 825.2 | 2,848.1 | 6,475.2 | |
| February | 810.7 | 2,737.2 | 4,070.4 | |
| March | 1,142.5 | 2,342.9 | 5,931.3 | |
| April | 796.5 | 1,700 | 3,135 | |
| May | 710.2 | 1,362.9 | 2,972.9 | |
| June | 581.7 | 1,130.3 | 2,519.3 | |
| July | 506.8 | 955 | 1,949 | |
| August | 537.3 | 874.9 | 1,181.8 | |
| September | 709.7 | 953.3 | 1,726.3 | |
| October | 901.2 | 1,255.5 | 2,238.1 | |
| November | 970 | 1,772 | 3,335.7 | |
| December | 924.8 | 2,503.5 | 8,481.9 |
All values in cubic feet per second (cfs).