USGS Streamgage 12099600
Boise Creek at Buckley, WA
Boise Creek at Buckley, WA is USGS streamgage 12099600 in Washington, monitoring river discharge in hydrologic subbasin 17110014. It drains a watershed of about 15 square miles. Discharge records at this site go back to 1977. Typical flow runs near 10.4 cfs in July and 33.1 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Washington
- Drainage area
- 15 sq mi
- Gauge elevation
- 640 ft
- Subbasin (HUC-8)
- 17110014
- Coordinates
- 47.17594, -122.01845
- USGS site number
- 12099600
- Records begin
- 1977-03-11 (49 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 49 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 | 19.2 | 45.3 | 129.2 | |
| February | 19.6 | 42.7 | 112.8 | |
| March | 18.8 | 39.1 | 87.6 | |
| April | 18.9 | 33.1 | 71.6 | |
| May | 13 | 24.6 | 57.9 | |
| June | 8.3 | 18 | 51.3 | |
| July | 5.9 | 10.4 | 20.8 | |
| August | 4.3 | 7 | 12.8 | |
| September | 3.5 | 6.6 | 15.7 | |
| October | 4.8 | 9.7 | 31.6 | |
| November | 9.2 | 28.3 | 98.6 | |
| December | 16.8 | 38.5 | 109.8 |
All values in cubic feet per second (cfs).