USGS Streamgage 12450500
Methow River at Pateros, WA
Methow River at Pateros, WA is USGS streamgage 12450500 in Washington, monitoring river discharge in hydrologic subbasin 17020008. It drains a watershed of about 1,810 square miles. Discharge records at this site go back to 1903. Typical flow runs near 2,562.3 cfs in July and 1,565.1 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Washington
- Drainage area
- 1,810 sq mi
- Gauge elevation
- 784 ft
- Subbasin (HUC-8)
- 17020008
- Coordinates
- 48.04709, -119.91229
- USGS site number
- 12450500
- Records begin
- 1903-06-17 (123 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 18 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 | 286.5 | 377.1 | 582.5 | |
| February | 301 | 359.8 | 529.1 | |
| March | 322.3 | 423.3 | 1,202.7 | |
| April | 417.2 | 1,565.1 | 4,316.3 | |
| May | 2,010.9 | 4,440.6 | 8,666.5 | |
| June | 3,066.7 | 6,019.7 | 9,460.7 | |
| July | 1,383.4 | 2,562.3 | 3,701.9 | |
| August | 527.2 | 739.6 | 1,000 | |
| September | 355.8 | 470.7 | 734.7 | |
| October | 386.1 | 445.7 | 896 | |
| November | 397.9 | 466.8 | 891.9 | |
| December | 325 | 435.6 | 662.5 |
All values in cubic feet per second (cfs).