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. Rivermatics issues a daily machine-learned flow outlook for this gauge, reaching 14 days ahead.
View live conditions & forecast →
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)
- Rivermatics forecast
- 14-day flow outlook
14-day flow forecast
Based on observations through for East Fork Wallowa River near Joseph, OR. Each day carries a median estimate and the band the model expects the flow to fall within — not a single number to plan against. Forecasts are re-issued daily; see the live screen for the current outlook.
| Date | Low p10 | Expected p50 | High p90 | Range |
|---|---|---|---|---|
| 8.6 | 10 | 10.6 | ||
| 7.3 | 9.7 | 10.9 | ||
| 7.4 | 9.8 | 11.5 | ||
| 6.9 | 9.9 | 11.9 | ||
| 5.8 | 9.6 | 11.7 | ||
| 5.6 | 9.5 | 11.8 | ||
| 4.8 | 9.2 | 11.7 | ||
| 4.4 | 9.1 | 11.6 | ||
| 4.1 | 8.8 | 11.6 | ||
| 4.3 | 8.9 | 11.7 | ||
| 3.8 | 8.8 | 11.8 | ||
| 3.7 | 8.6 | 11.8 | ||
| 3.4 | 8.4 | 11.8 | ||
| 3.2 | 8.2 | 11.8 |
All values in cubic feet per second (cfs). Estimates only — do not use them for navigation or for any safety, rescue, or emergency decision.
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).
Common questions
- When does East Fork Wallowa River near Joseph, OR normally run highest?
- June, on the long-term record. The median daily flow that month is about 42.2 cfs, against 2.8 cfs in February, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for East Fork Wallowa River near Joseph, OR?
- It depends on the month. In January, half of days historically fall near 3.2 cfs, with the middle 80% of days between 1 and 8.9 cfs. The month-by-month table on this page gives the full range.
- How long has East Fork Wallowa River near Joseph, OR been measured?
- Discharge records at USGS site 13325000 begin in 1924, about 102 years, covering roughly 3,262 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Is there a flow forecast for East Fork Wallowa River near Joseph, OR?
- Yes. Rivermatics trains a machine-learned model — a temporal-fusion transformer — on this basin's observed flows, weather, and snowpack, and issues a daily flow outlook reaching 14 days ahead: a median estimate inside a confidence band, not a single number to bet on. Every forecast is scored against days the model never trained on, and that track record is published on the live gauge screen. Open live conditions to see the current outlook.
- Where is East Fork Wallowa River near Joseph, OR?
- The gauge sits at 45.2711, -117.21133, in Oregon, in hydrologic subbasin 17060105, draining roughly 10 square miles.
- Can I use East Fork Wallowa River near Joseph, OR data for flood or safety decisions?
- No. Rivermatics provides estimates, not guarantees, and the readings and forecasts here may be delayed, inaccurate, or wrong. Do not use them for navigation or for any safety, rescue, or emergency decision. Check the National Weather Service and USGS directly, and use your own judgment.