USGS Streamgage 12446995
Salmon Creek above Diversion near Okanogan, WA
Salmon Creek above Diversion near Okanogan, WA is USGS streamgage 12446995 in Washington, monitoring river discharge in hydrologic subbasin 17020006. It drains a watershed of about 148 square miles. Discharge records at this site go back to 2012. Typical flow runs near 65.6 cfs in July and 46.4 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Washington
- Drainage area
- 148 sq mi
- Gauge elevation
- 1,396 ft
- Subbasin (HUC-8)
- 17020006
- Coordinates
- 48.40515, -119.62172
- USGS site number
- 12446995
- Records begin
- 2012-10-01 (14 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 14 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 | 1.4 | 4.3 | 18.5 | |
| February | 2.3 | 6 | 23.5 | |
| March | 4.9 | 18.2 | 86.2 | |
| April | 20 | 46.4 | 185.5 | |
| May | 39.4 | 89.3 | 495.8 | |
| June | 41 | 67.8 | 189.4 | |
| July | 54.5 | 65.6 | 77.8 | |
| August | 51.8 | 62.7 | 70.7 | |
| September | 27.2 | 48.1 | 57.5 | |
| October | 2.2 | 6.2 | 19.6 | |
| November | 2 | 3.9 | 26.9 | |
| December | 1.4 | 3.6 | 9 |
All values in cubic feet per second (cfs).