South Yamhill River at Mcminnville, OR
USGS Site No: 14194150 • South Yamhill River • Yamhill County, OR
South Yamhill River at Mcminnville, OR on the South Yamhill River is currently at 195 cfs (Normal — 35th percentile for this date) . Gage height: 10.58 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 | 63 | |
| 25th | Low threshold | 111 | |
| 50th (Median) | Normal (median) | 316 | Today: 195 cfs |
| 75th | High threshold | 665 | |
| 95th | Very High threshold | 2,870 |
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 | 225 | — |
| May 27, 2026 | 223 | — |
| May 26, 2026 | 199 | — |
| May 25, 2026 | 201 | — |
| May 24, 2026 | 206 | — |
| May 23, 2026 | 214 | — |
| May 22, 2026 | 228 | — |
| May 21, 2026 | 240 | — |
| May 20, 2026 | 254 | — |
| May 19, 2026 | 278 | — |
| May 18, 2026 | 331 | — |
| May 17, 2026 | 355 | — |
| May 16, 2026 | 277 | — |
| May 15, 2026 | 286 | — |
| Apr 20, 2026 | 1,150 | — |
| Apr 19, 2026 | 1,370 | — |
| Apr 18, 2026 | 1,620 | — |
| Apr 17, 2026 | 1,920 | — |
| Apr 16, 2026 | 2,240 | — |
| Apr 15, 2026 | 1,020 | — |
| Apr 14, 2026 | 575 | — |
| Apr 13, 2026 | 606 | — |
| Apr 12, 2026 | 609 | — |
| Apr 11, 2026 | 595 | — |
| Apr 10, 2026 | 610 | — |
| Apr 9, 2026 | 639 | — |
| Apr 8, 2026 | 685 | — |
| Apr 7, 2026 | 744 | — |
| Apr 6, 2026 | 817 | — |
| Apr 5, 2026 | 890 | — |
Station Information
- USGS Site No
- 14194150
- State
- OR
- County
- Yamhill County
- Coordinates
- 45.2069, -123.1817
- Drainage Area
- 528 mi²
- Datum (ft)
- 61.7
- HUC Code
- 17090008
Flood Stage Thresholds
- Action Stage
- 45.0 ft
- Flood Stage
- 50.0 ft
- Moderate Flood
- 56.0 ft
- Major Flood
- 59.0 ft
Currently 39.42 ft below flood stage.
Recent Extremes
- Max discharge
-
16,000 cfsDec 20, 2025
- Min discharge
-
5 cfsAug 15, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Willamette River at Newberg, ORNormal12.0 mi · 10,400 cfs
-
Wapato Creek at Sw Gaston Road, at Gaston, ORVery High16.4 mi · 4 cfs
-
Scoggins Ck below Henry Hagg Lake, near Gaston, ORHigh18.1 mi · 147 cfs
-
Tualatin River Near Dilley, ORNormal18.7 mi · 109 cfs
-
Pudding River Near Woodburn, ORNormal18.8 mi · 89 cfs