USGS Streamgage 12106700
Green River at Purification Plant near Palmer, WA
Green River at Purification Plant near Palmer, WA is USGS streamgage 12106700 in Washington, monitoring river discharge in hydrologic subbasin 17110013. It drains a watershed of about 231 square miles. Discharge records at this site go back to 1963. Typical flow runs near 221.2 cfs in July and 1,118.1 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Washington
- Drainage area
- 231 sq mi
- Gauge elevation
- 888 ft
- Subbasin (HUC-8)
- 17110013
- Coordinates
- 47.3051, -121.85066
- USGS site number
- 12106700
- Records begin
- 1963-07-01 (63 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 63 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 | 412.8 | 1,061.4 | 3,861.9 | |
| February | 403.3 | 948.1 | 3,118.3 | |
| March | 413.3 | 891.2 | 2,232.9 | |
| April | 519 | 1,118.1 | 2,262.3 | |
| May | 363.3 | 1,053 | 2,334.8 | |
| June | 175.4 | 531.6 | 1,518.9 | |
| July | 128.7 | 221.2 | 628.4 | |
| August | 115.6 | 147.8 | 226.2 | |
| September | 116.6 | 204.5 | 427.5 | |
| October | 135.4 | 374 | 1,178.2 | |
| November | 277.9 | 865.1 | 2,931.3 | |
| December | 377.4 | 960.3 | 3,431 |
All values in cubic feet per second (cfs).
Other gauges in this subbasin
- Newaukum Creek near Black Diamond, WA
- Green River below Crisp Creek near Black Diamond, WA
- Big Soos Creek above Hatchery near Auburn, WA
- Green River near Auburn, WA
- Green River above S 277Th St at Kent, WA
- Green River below Meeker St at Kent, WA
- Green River at 200Th Street at Kent, WA
- Springbrook Creek at Orillia, WA