Pawcatuck River at Westerly, RI
USGS Site No: 01118500 • Pawcatuck River • Washington County, RI
Pawcatuck River at Westerly, RI on the Pawcatuck River is currently at 344 cfs (Normal — 67th percentile for this date) . Gage height: 4.14 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 | 88 | |
| 25th | Low threshold | 142 | |
| 50th (Median) | Normal (median) | 227 | |
| 75th | High threshold | 399 | Today: 344 cfs |
| 95th | Very High threshold | 956 |
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 | 416 | — |
| May 27, 2026 | 500 | — |
| May 26, 2026 | 576 | — |
| May 25, 2026 | 533 | — |
| May 24, 2026 | 314 | — |
| May 23, 2026 | 263 | — |
| May 22, 2026 | 277 | — |
| May 21, 2026 | 284 | — |
| May 20, 2026 | 282 | — |
| May 19, 2026 | 299 | — |
| May 18, 2026 | 318 | — |
| May 17, 2026 | 348 | — |
| May 16, 2026 | 374 | — |
| May 15, 2026 | 367 | — |
| Apr 21, 2026 | 588 | — |
| Apr 20, 2026 | 673 | — |
| Apr 19, 2026 | 766 | — |
| Apr 18, 2026 | 702 | — |
| Apr 17, 2026 | 491 | — |
| Apr 16, 2026 | 455 | — |
| Apr 15, 2026 | 473 | — |
| Apr 14, 2026 | 489 | — |
| Apr 13, 2026 | 501 | — |
| Apr 12, 2026 | 529 | — |
| Apr 11, 2026 | 558 | — |
| Apr 10, 2026 | 594 | — |
| Apr 9, 2026 | 640 | — |
| Apr 8, 2026 | 691 | — |
| Apr 7, 2026 | 743 | — |
| Apr 6, 2026 | 788 | — |
Station Information
- USGS Site No
- 01118500
- State
- RI
- County
- Washington County
- Coordinates
- 41.3853, -71.8331
- Drainage Area
- 294 mi²
- Datum (ft)
- 0.0
- HUC Code
- 011000070303
Flood Stage Thresholds
- Action Stage
- 6.0 ft
- Flood Stage
- 7.0 ft
- Moderate Flood
- 9.0 ft
- Major Flood
- 11.0 ft
Currently 2.86 ft below flood stage.
Recent Extremes
- Max discharge
-
1,630 cfsMar 18, 2026
- Min discharge
-
56 cfsSep 4, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Pendleton Hill Brook Near Clarks Falls, CTNormal6.2 mi · 5 cfs
-
Quinebaug River at Jewett City, CTNormal16.6 mi · 828 cfs
-
Shetucket River at Taftville, CTNormal16.9 mi · 683 cfs
-
Yantic River at Yantic, CTNormal19.1 mi · 74 cfs
-
Bride Brook near East Lyme, CTVery High21.6 mi · 4 cfs