USGS Streamgage 12433200
Chamokane Creek below Falls near Long Lake, WA
Chamokane Creek below Falls near Long Lake, WA is USGS streamgage 12433200 in Washington, monitoring river discharge in hydrologic subbasin 17010307. It drains a watershed of about 179 square miles. Discharge records at this site go back to 1971. Typical flow runs near 26.4 cfs in July and 96.3 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Washington
- Drainage area
- 179 sq mi
- Gauge elevation
- 1,431 ft
- Subbasin (HUC-8)
- 17010307
- Coordinates
- 47.86322, -117.85829
- USGS site number
- 12433200
- Records begin
- 1971-02-01 (55 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 54 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 | 22.6 | 32.4 | 112.9 | |
| February | 24.4 | 46.8 | 188.9 | |
| March | 37.5 | 111 | 360.7 | |
| April | 35.2 | 96.3 | 323.9 | |
| May | 24.4 | 42.4 | 111.3 | |
| June | 21 | 30.6 | 66.2 | |
| July | 19.9 | 26.4 | 43.3 | |
| August | 19.3 | 26 | 35.6 | |
| September | 20 | 27.4 | 35.3 | |
| October | 21.3 | 28.5 | 37.3 | |
| November | 21.2 | 29 | 40.3 | |
| December | 20.7 | 30 | 59.9 |
All values in cubic feet per second (cfs).