Middle Fork Willamette River at Jasper, OR
USGS Site No: 14152000 • Willamette River • Lane County, OR
Middle Fork Willamette River at Jasper, OR on the Willamette River is currently at 2,990 cfs (Normal — 42th percentile for this date) . Gage height: 3.58 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for October 28 at this station. Percentile rank shows what fraction of historical years had lower flow on this date.
| Percentile | Label | CFS Threshold | Today's Flow |
|---|---|---|---|
| 10th | Very Low threshold | 1,230 | |
| 25th | Low threshold | 2,020 | |
| 50th (Median) | Normal (median) | 3,470 | Today: 2,990 cfs |
| 75th | High threshold | 4,620 | |
| 95th | Very High threshold | 6,320 |
30-Day Hydrograph
Recent discharge plotted against the historical 10th–95th percentile envelope for the same calendar days. Source: USGS daily values + long-term statistics.
30-Day Flow History
| Date | Discharge (CFS) | Gage Ht (ft) |
|---|---|---|
| May 28, 2026 | 3,540 | — |
| May 27, 2026 | 3,550 | — |
| May 26, 2026 | 3,500 | — |
| May 25, 2026 | 3,510 | — |
| May 24, 2026 | 3,490 | — |
| May 23, 2026 | 3,380 | — |
| May 22, 2026 | 3,200 | — |
| May 21, 2026 | 2,920 | — |
| May 20, 2026 | 2,930 | — |
| May 19, 2026 | 2,970 | — |
| May 18, 2026 | 2,970 | — |
| May 17, 2026 | 3,000 | — |
| May 16, 2026 | 2,990 | — |
| May 15, 2026 | 2,720 | — |
| Apr 20, 2026 | 1,860 | — |
| Apr 19, 2026 | 1,930 | — |
| Apr 18, 2026 | 2,010 | — |
| Apr 17, 2026 | 2,120 | — |
| Apr 16, 2026 | 2,220 | — |
| Apr 15, 2026 | 2,000 | — |
| Apr 14, 2026 | 1,830 | — |
| Apr 13, 2026 | 1,940 | — |
| Apr 12, 2026 | 2,010 | — |
| Apr 11, 2026 | 1,860 | — |
| Apr 10, 2026 | 1,750 | — |
| Apr 9, 2026 | 1,730 | — |
| Apr 8, 2026 | 1,740 | — |
| Apr 7, 2026 | 1,780 | — |
| Apr 6, 2026 | 1,810 | — |
| Apr 5, 2026 | 1,860 | — |
Station Information
- USGS Site No
- 14152000
- State
- OR
- County
- Lane County
- Coordinates
- 43.9982, -122.9059
- Drainage Area
- 1,340 mi²
- Datum (ft)
- 513.5
- HUC Code
- 17090001
Flood Stage Thresholds
- Action Stage
- 9.4 ft
- Flood Stage
- 10.0 ft
- Moderate Flood
- 13.0 ft
- Major Flood
- 15.0 ft
Currently 6.42 ft below flood stage.
Recent Extremes
- Max discharge
-
8,070 cfsDec 19, 2025
- Min discharge
-
1,490 cfsFeb 5, 2026
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Coast Fork Willamette River Near Goshen, ORLow3.3 mi · 341 cfs
-
Cedar Creek at Springfield, ORVery Low4.3 mi · 0 cfs
-
Middle Fork Willamette River Near Dexter, ORNormal5.0 mi · 2,520 cfs
-
Camp Crk at Camp Crk Road Bridge, near Springfield, ORNormal5.1 mi · 13 cfs
-
Mckenzie River above Hayden Branch, at Springfield,orNormal5.8 mi · 2,710 cfs