USGS Streamgage 13325000
East Fork Wallowa River near Joseph, OR
East Fork Wallowa River near Joseph, OR is USGS streamgage 13325000 in Oregon, monitoring river discharge in hydrologic subbasin 17060105. It drains a watershed of about 10 square miles. Discharge records at this site go back to 1924. Typical flow runs near 29.7 cfs in July and 5.2 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Oregon
- Drainage area
- 10 sq mi
- Subbasin (HUC-8)
- 17060105
- Coordinates
- 45.2711, -117.21133
- USGS site number
- 13325000
- Records begin
- 1924-08-01 (102 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 102 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 | 3.2 | 8.9 | |
| February | 0.9 | 2.8 | 8.6 | |
| March | 0.9 | 3 | 8.4 | |
| April | 1.8 | 5.2 | 11.8 | |
| May | 8.3 | 17.9 | 36.8 | |
| June | 22.1 | 42.2 | 89.9 | |
| July | 9.9 | 29.7 | 61 | |
| August | 3.7 | 9.2 | 19.4 | |
| September | 2.3 | 5.9 | 12.6 | |
| October | 2.3 | 5.3 | 11.3 | |
| November | 1.8 | 4.8 | 11 | |
| December | 1.4 | 4 | 9.5 |
All values in cubic feet per second (cfs).