USGS Streamgage 12448500
Methow River at Winthrop, WA
Methow River at Winthrop, WA is USGS streamgage 12448500 in Washington, monitoring river discharge in hydrologic subbasin 17020008. It drains a watershed of about 1,007 square miles. Discharge records at this site go back to 1912. Typical flow runs near 1,073.1 cfs in July and 1,384.2 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Washington
- Drainage area
- 1,007 sq mi
- Gauge elevation
- 1,731 ft
- Subbasin (HUC-8)
- 17020008
- Coordinates
- 48.47348, -120.17731
- USGS site number
- 12448500
- Records begin
- 1912-01-01 (114 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 114 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 | 188 | 258.3 | 435 | |
| February | 179.9 | 259.6 | 506.8 | |
| March | 204.6 | 368 | 917.2 | |
| April | 548.3 | 1,384.2 | 2,866 | |
| May | 2,034.5 | 4,142.3 | 8,992.6 | |
| June | 1,442.5 | 3,496.3 | 7,351.7 | |
| July | 493.4 | 1,073.1 | 2,795.8 | |
| August | 213.3 | 382.9 | 748.1 | |
| September | 167.7 | 236.4 | 389.1 | |
| October | 198.5 | 262.5 | 475.3 | |
| November | 208 | 332.1 | 860.1 | |
| December | 195.4 | 299 | 581.6 |
All values in cubic feet per second (cfs).