Clarion River at Ridgway, PA
USGS Site No: 03029000 • Clarion River • Elk County, PA
Clarion River at Ridgway, PA on the Clarion River is currently at 632 cfs (Very High — 95th percentile for this date) . Gage height: 3.99 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 | 0 | |
| 25th | Low threshold | 172 | |
| 50th (Median) | Normal (median) | 195 | |
| 75th | High threshold | 451 | |
| 95th | Very High threshold | 0 |
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 | 822 | — |
| May 27, 2026 | 1,040 | — |
| May 26, 2026 | 1,310 | — |
| May 25, 2026 | 2,180 | — |
| May 24, 2026 | 952 | — |
| May 23, 2026 | 968 | — |
| May 22, 2026 | 463 | — |
| May 21, 2026 | 542 | — |
| May 20, 2026 | 590 | — |
| May 19, 2026 | 628 | — |
| May 18, 2026 | 700 | — |
| May 17, 2026 | 789 | — |
| May 16, 2026 | 850 | — |
| May 15, 2026 | 971 | — |
| Apr 21, 2026 | 956 | — |
| Apr 20, 2026 | 1,160 | — |
| Apr 19, 2026 | 1,550 | — |
| Apr 18, 2026 | 1,390 | — |
| Apr 17, 2026 | 1,740 | — |
| Apr 16, 2026 | 2,130 | — |
| Apr 15, 2026 | 1,270 | — |
| Apr 14, 2026 | 656 | — |
| Apr 13, 2026 | 433 | — |
| Apr 12, 2026 | 488 | — |
| Apr 11, 2026 | 601 | — |
| Apr 10, 2026 | 628 | — |
| Apr 9, 2026 | 727 | — |
| Apr 8, 2026 | 879 | — |
| Apr 7, 2026 | 1,110 | — |
| Apr 6, 2026 | 1,300 | — |
Station Information
- USGS Site No
- 03029000
- State
- PA
- County
- Elk County
- Coordinates
- 41.4209, -78.7359
- Drainage Area
- 303 mi²
- Datum (ft)
- 1,354.5
- HUC Code
- 05010005
Flood Stage Thresholds
- Action Stage
- 11.0 ft
- Flood Stage
- 16.0 ft
- Moderate Flood
- 18.0 ft
- Major Flood
- 20.0 ft
Currently 12.01 ft below flood stage.
Recent Extremes
- Max discharge
-
2,710 cfsMay 22, 2025
- Min discharge
-
128 cfsDec 9, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Clarion River at Johnsonburg, PAHigh5.4 mi · 374 cfs
-
West Branch Clarion River at Wilcox, PANormal10.9 mi · 97 cfs
-
Eb Clarion River at Eb Clarion River Dam, PANormal11.7 mi · 172 cfs
-
Sevenmile Run Near Rasselas, PANormal16.7 mi · 7 cfs
- Unknown