USGS Streamgage 12187500
Sauk River at Darrington, WA
Sauk River at Darrington, WA is USGS streamgage 12187500 in Washington, monitoring river discharge in hydrologic subbasin 17110006. It drains a watershed of about 293 square miles. Discharge records at this site go back to 1815. Typical flow runs near 2,086.5 cfs in July and 1,923 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Washington
- Drainage area
- 293 sq mi
- Gauge elevation
- 1,139 ft
- Subbasin (HUC-8)
- 17110006
- Coordinates
- 48.24983, -121.58457
- USGS site number
- 12187500
- Records begin
- 1815-01-01 (211 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 103 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 | 537.5 | 1,254.5 | 5,059.7 | |
| February | 522.2 | 1,406.2 | 4,810.4 | |
| March | 621 | 1,365.5 | 3,451.6 | |
| April | 1,022.3 | 1,923 | 3,557.7 | |
| May | 1,585.8 | 2,760.3 | 5,178.1 | |
| June | 1,256.5 | 3,337 | 5,984.7 | |
| July | 880.1 | 2,086.5 | 4,312.6 | |
| August | 536.8 | 908.6 | 1,731.9 | |
| September | 416.2 | 643.7 | 1,713.4 | |
| October | 406.5 | 1,026.2 | 3,859.4 | |
| November | 612.4 | 1,540.3 | 4,840.7 | |
| December | 610.8 | 1,454.5 | 6,368.1 |
All values in cubic feet per second (cfs).