USGS Streamgage 14034470
Willow Creek above Willow Creek Lake, near Heppner, OR
Willow Creek above Willow Creek Lake, near Heppner, OR is USGS streamgage 14034470 in Oregon, monitoring river discharge in hydrologic subbasin 17070104. It drains a watershed of about 68 square miles. Discharge records at this site go back to 1982. Typical flow runs near 2.3 cfs in July and 43.5 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Oregon
- Drainage area
- 68 sq mi
- Subbasin (HUC-8)
- 17070104
- Coordinates
- 45.34068, -119.51585
- USGS site number
- 14034470
- Records begin
- 1982-10-01 (44 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 44 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 | 5.2 | 11.6 | 47.5 | |
| February | 7 | 18.6 | 64.5 | |
| March | 12.2 | 39.3 | 106.4 | |
| April | 15.8 | 43.5 | 104.9 | |
| May | 7.3 | 25.8 | 105.2 | |
| June | 3.5 | 11.2 | 66.5 | |
| July | 0.6 | 2.3 | 11 | |
| August | 0 | 0.7 | 3.4 | |
| September | 0.1 | 0.8 | 3.3 | |
| October | 0.6 | 2.3 | 5.7 | |
| November | 2.3 | 4.5 | 10.5 | |
| December | 3.3 | 6.5 | 26.6 |
All values in cubic feet per second (cfs).