USGS Streamgage 14034500
Willow Creek at Heppner, OR
Willow Creek at Heppner, OR is USGS streamgage 14034500 in Oregon, monitoring river discharge in hydrologic subbasin 17070104. It drains a watershed of about 97 square miles. Discharge records at this site go back to 1903. Typical flow runs near 4.4 cfs in July and 39.3 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Oregon
- Drainage area
- 97 sq mi
- Subbasin (HUC-8)
- 17070104
- Coordinates
- 45.35041, -119.55002
- USGS site number
- 14034500
- Records begin
- 1903-06-14 (123 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 75 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 | 2.5 | 9.7 | 57.3 | |
| February | 2.8 | 15.1 | 60.8 | |
| March | 3.8 | 26.2 | 88.2 | |
| April | 10.1 | 39.3 | 103.8 | |
| May | 7.2 | 28 | 100.5 | |
| June | 3.5 | 13 | 46.3 | |
| July | 0.6 | 4.4 | 17.7 | |
| August | 0.1 | 3 | 16.8 | |
| September | 0 | 2.9 | 11.1 | |
| October | 0.2 | 2.8 | 9.2 | |
| November | 1.5 | 4.1 | 19.3 | |
| December | 2 | 5.6 | 33.5 |
All values in cubic feet per second (cfs).