USGS Streamgage 13233300
Malheur River below Nevada Dam near Vale, OR
Malheur River below Nevada Dam near Vale, OR is USGS streamgage 13233300 in Oregon, monitoring river discharge in hydrologic subbasin 17050117. It drains a watershed of about 3,880 square miles. Discharge records at this site go back to 1926. Typical flow runs near 43.8 cfs in July and 107 cfs in April, with the higher of the two arriving in April. 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
- 3,880 sq mi
- Subbasin (HUC-8)
- 17050117
- Coordinates
- 43.9875, -117.21889
- USGS site number
- 13233300
- Records begin
- 1926-05-17 (100 years)
- Rivermatics forecast
- 14-day flow outlook
14-day flow forecast
Based on observations through for Malheur River below Nevada Dam near Vale, 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 |
|---|---|---|---|---|
| 64.2 | 83.3 | 103 | ||
| 54.1 | 81.4 | 113 | ||
| 49 | 80.4 | 119 | ||
| 46.3 | 80.8 | 121 | ||
| 42 | 77.9 | 120 | ||
| 39 | 77.5 | 123 | ||
| 37 | 76.8 | 125 | ||
| 34.3 | 75.3 | 128 | ||
| 29.8 | 71.4 | 127 | ||
| 23.4 | 63.9 | 119 | ||
| 21.5 | 63.8 | 123 | ||
| 18.2 | 60.4 | 121 | ||
| 16.2 | 59.3 | 123 | ||
| 13.3 | 55.7 | 119 |
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 100 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 | 60.7 | 90.3 | 353 | |
| February | 65.8 | 132 | 857.5 | |
| March | 45.5 | 172.3 | 1,418.9 | |
| April | 2.7 | 107 | 1,899.3 | |
| May | 2.2 | 81.8 | 725.7 | |
| June | 1.4 | 58.5 | 329.2 | |
| July | 0.9 | 43.8 | 151.1 | |
| August | 0.6 | 52.4 | 157 | |
| September | 0.5 | 93.2 | 218.7 | |
| October | 4.1 | 79.4 | 208.5 | |
| November | 45.7 | 105.7 | 169.1 | |
| December | 56.4 | 94.4 | 150.6 |
All values in cubic feet per second (cfs).
Common questions
- When does Malheur River below Nevada Dam near Vale, OR normally run highest?
- March, on the long-term record. The median daily flow that month is about 172.3 cfs, against 43.8 cfs in July, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Malheur River below Nevada Dam near Vale, OR?
- It depends on the month. In January, half of days historically fall near 90.3 cfs, with the middle 80% of days between 60.7 and 353 cfs. The month-by-month table on this page gives the full range.
- How long has Malheur River below Nevada Dam near Vale, OR been measured?
- Discharge records at USGS site 13233300 begin in 1926, about 100 years, covering roughly 9,201 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Is there a flow forecast for Malheur River below Nevada Dam near Vale, 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 Malheur River below Nevada Dam near Vale, OR?
- The gauge sits at 43.9875, -117.21889, in Oregon, in hydrologic subbasin 17050117, draining roughly 3,880 square miles.
- Can I use Malheur River below Nevada Dam near Vale, 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.