Newaukum River Near Chehalis, WA
USGS Site No: 12025000 • Newaukum River • Lewis County, WA
Newaukum River Near Chehalis, WA on the Newaukum River is currently at 139 cfs (Normal — 40th percentile for this date) . Gage height: 193.22 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 | 58 | |
| 25th | Low threshold | 89 | |
| 50th (Median) | Normal (median) | 171 | Today: 139 cfs |
| 75th | High threshold | 342 | |
| 95th | Very High threshold | 1,080 |
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 | 151 | — |
| May 27, 2026 | 167 | — |
| May 26, 2026 | 191 | — |
| May 25, 2026 | 161 | — |
| May 24, 2026 | 167 | — |
| May 23, 2026 | 175 | — |
| May 22, 2026 | 188 | — |
| May 21, 2026 | 207 | — |
| May 20, 2026 | 229 | — |
| May 19, 2026 | 255 | — |
| May 18, 2026 | 308 | — |
| May 17, 2026 | 421 | — |
| May 16, 2026 | 388 | — |
| May 15, 2026 | 241 | — |
| Apr 20, 2026 | 317 | — |
| Apr 19, 2026 | 355 | — |
| Apr 18, 2026 | 404 | — |
| Apr 17, 2026 | 477 | — |
| Apr 16, 2026 | 635 | — |
| Apr 15, 2026 | 805 | — |
| Apr 14, 2026 | 274 | — |
| Apr 13, 2026 | 271 | — |
| Apr 12, 2026 | 299 | — |
| Apr 11, 2026 | 316 | — |
| Apr 10, 2026 | 284 | — |
| Apr 9, 2026 | 299 | — |
| Apr 8, 2026 | 321 | — |
| Apr 7, 2026 | 348 | — |
| Apr 6, 2026 | 384 | — |
| Apr 5, 2026 | 424 | — |
Station Information
- USGS Site No
- 12025000
- State
- WA
- County
- Lewis County
- Coordinates
- 46.6201, -122.9451
- Drainage Area
- 155 mi²
- Datum (ft)
- 0.0
- HUC Code
- 17100103
Flood Stage Thresholds
- Action Stage
- 200.5 ft
- Flood Stage
- 202.5 ft
- Moderate Flood
- 204.5 ft
- Major Flood
- 205.5 ft
Currently 9.28 ft below flood stage.
Recent Extremes
- Max discharge
-
7,530 cfsDec 9, 2025
- Min discharge
-
30 cfsSep 20, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Chehalis River Near Adna, WANormal7.4 mi · 601 cfs
-
Nf Newaukum River Above Bear Creek Near Forest, WAUnknown8.9 mi · 0 cfs
-
Skookumchuck River Near Bucoda, WANormal10.5 mi · 126 cfs
-
Chehalis River Near Grand Mound, WANormal11.6 mi · 606 cfs
-
South Fork Newaukum River Near Onalaska, WAUnknown12.7 mi · 0 cfs