USGS Streamgage 12444550
Bonaparte Creek at Tonasket, WA
Bonaparte Creek at Tonasket, WA is USGS streamgage 12444550 in Washington, monitoring river discharge in hydrologic subbasin 17020006. It drains a watershed of about 161 square miles. Discharge records at this site go back to 2016. Typical flow runs near 3.2 cfs in July and 19.3 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Washington
- Drainage area
- 161 sq mi
- Gauge elevation
- 927 ft
- Subbasin (HUC-8)
- 17020006
- Coordinates
- 48.70121, -119.44282
- USGS site number
- 12444550
- Records begin
- 2016-03-01 (10 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 10 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 | 3.3 | 5.4 | 12.4 | |
| February | 3.1 | 6.3 | 16 | |
| March | 6.6 | 12.1 | 28.8 | |
| April | 5.3 | 19.3 | 37.6 | |
| May | 5.9 | 21.8 | 87.1 | |
| June | 3 | 11 | 36 | |
| July | 0.5 | 3.2 | 11.9 | |
| August | 0.2 | 1.1 | 3.8 | |
| September | 0.3 | 1.1 | 3.8 | |
| October | 1 | 2.8 | 5.6 | |
| November | 2.9 | 4.8 | 9.1 | |
| December | 2.6 | 5.2 | 8.9 |
All values in cubic feet per second (cfs).