West Branch Oswegatchie River Near Harrisville NY
USGS Site No: 04262500 • West Branch Oswegatchie River • St. Lawrence County, NY
West Branch Oswegatchie River Near Harrisville NY on the West Branch Oswegatchie River is currently at 455 cfs (Normal — 54th percentile for this date) . Gage height: 2.94 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 | 127 | |
| 25th | Low threshold | 202 | |
| 50th (Median) | Normal (median) | 415 | |
| 75th | High threshold | 689 | Today: 455 cfs |
| 95th | Very High threshold | 1,380 |
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 | 592 | — |
| May 27, 2026 | 726 | — |
| May 26, 2026 | 750 | — |
| May 25, 2026 | 561 | — |
| May 24, 2026 | 376 | — |
| May 23, 2026 | 342 | — |
| May 22, 2026 | 407 | — |
| May 21, 2026 | 469 | — |
| May 20, 2026 | 518 | — |
| May 19, 2026 | 577 | — |
| May 18, 2026 | 661 | — |
| May 17, 2026 | 755 | — |
| May 16, 2026 | 794 | — |
| May 15, 2026 | 729 | — |
| Apr 21, 2026 | 1,780 | — |
| Apr 20, 2026 | 2,200 | — |
| Apr 19, 2026 | 1,970 | — |
| Apr 18, 2026 | 2,140 | — |
| Apr 17, 2026 | 2,150 | — |
| Apr 16, 2026 | 2,110 | — |
| Apr 15, 2026 | 1,480 | — |
| Apr 14, 2026 | 870 | — |
| Apr 13, 2026 | 799 | — |
| Apr 12, 2026 | 805 | — |
| Apr 11, 2026 | 818 | — |
| Apr 10, 2026 | 918 | — |
| Apr 9, 2026 | 1,120 | — |
| Apr 8, 2026 | 1,410 | — |
| Apr 7, 2026 | 1,820 | — |
| Apr 6, 2026 | 1,910 | — |
Station Information
- USGS Site No
- 04262500
- State
- NY
- County
- St. Lawrence County
- Coordinates
- 44.1857, -75.3304
- Drainage Area
- 258 mi²
- Datum (ft)
- 738.0
- HUC Code
- 042900030504
Recent Extremes
- Max discharge
-
4,510 cfsMar 13, 2026
- Min discharge
-
40 cfsSep 22, 2025
Computed from the local daily-values archive.
Nearby Gauges
-
Oswegatchie River Near Oswegatchie NYNormal12.9 mi · 390 cfs
-
Elm Creek Near Hermon NYUnknown18.4 mi
-
Beaver River at Croghan NYHigh20.3 mi · 695 cfs
-
Deer River at Deer River NYUnknown21.9 mi
- Unknown