USGS Streamgage 12445900
Omak Creek near Omak, WA
Omak Creek near Omak, WA is USGS streamgage 12445900 in Washington, monitoring river discharge in hydrologic subbasin 17020006. It drains a watershed of about 119 square miles. Discharge records at this site go back to 1972. Typical flow runs near 6.9 cfs in July and 45.5 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Washington
- Drainage area
- 119 sq mi
- Gauge elevation
- 1,216 ft
- Subbasin (HUC-8)
- 17020006
- Coordinates
- 48.36705, -119.44504
- USGS site number
- 12445900
- Records begin
- 1972-03-01 (54 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 | 4.3 | 8.7 | 25.5 | |
| February | 5.4 | 10.6 | 50.4 | |
| March | 7.8 | 24.7 | 123.5 | |
| April | 11.8 | 45.5 | 269.7 | |
| May | 9.5 | 35.9 | 132 | |
| June | 5.8 | 15.7 | 41.5 | |
| July | 1.2 | 6.9 | 13.3 | |
| August | 0.5 | 3.4 | 7.3 | |
| September | 1.5 | 3.3 | 7.5 | |
| October | 2.8 | 4.9 | 10.4 | |
| November | 4 | 7.8 | 17.9 | |
| December | 3.7 | 8.2 | 24.6 |
All values in cubic feet per second (cfs).
Other gauges in this subbasin
- North Fork Salmon Creek near Conconully, WA
- West Fork Salmon Creek near Conconully, WA
- Salmon Creek above Diversion near Okanogan, WA
- Okanogan River at Malott, WA
- Loup Loup Creek at Malott, WA
- Ninemile Creek at Eastlake Rd near Oroville, WA
- Okanogan River at Oroville, WA
- Antoine Creek at US Hwy 97 near Ellisforde, WA