South F South Branch Potomac River near Moorefield, WV
USGS Site No: 01608000 • Potomac River • Hardy County, WV
South F South Branch Potomac River near Moorefield, WV on the Potomac River is currently at 477 cfs (Very High — 97th percentile for this date) . Gage height: 4.00 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 | 18 | |
| 25th | Low threshold | 26 | |
| 50th (Median) | Normal (median) | 40 | |
| 75th | High threshold | 95 | |
| 95th | Very High threshold | 391 |
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 | 1,120 | — |
| May 27, 2026 | 1,340 | — |
| May 26, 2026 | 948 | — |
| May 25, 2026 | 657 | — |
| May 24, 2026 | 1,050 | — |
| May 23, 2026 | 1,100 | — |
| May 22, 2026 | 198 | — |
| May 21, 2026 | 68 | — |
| May 20, 2026 | 32 | — |
| May 19, 2026 | 35 | — |
| May 18, 2026 | 38 | — |
| May 17, 2026 | 37 | — |
| May 16, 2026 | 38 | — |
| May 15, 2026 | 40 | — |
| Apr 21, 2026 | 72 | — |
| Apr 20, 2026 | 77 | — |
| Apr 19, 2026 | 80 | — |
| Apr 18, 2026 | 80 | — |
| Apr 17, 2026 | 85 | — |
| Apr 16, 2026 | 90 | — |
| Apr 15, 2026 | 95 | — |
| Apr 14, 2026 | 100 | — |
| Apr 13, 2026 | 105 | — |
| Apr 12, 2026 | 110 | — |
| Apr 11, 2026 | 118 | — |
| Apr 10, 2026 | 124 | — |
| Apr 9, 2026 | 130 | — |
| Apr 8, 2026 | 136 | — |
| Apr 7, 2026 | 140 | — |
| Apr 6, 2026 | 133 | — |
Station Information
- USGS Site No
- 01608000
- State
- WV
- County
- Hardy County
- Coordinates
- 39.0123, -78.9561
- Drainage Area
- 276 mi²
- Datum (ft)
- 861.2
- HUC Code
- 02070001
Flood Stage Thresholds
- Action Stage
- 8.0 ft
- Flood Stage
- 10.0 ft
- Moderate Flood
- 12.0 ft
- Major Flood
- 14.0 ft
Currently 6.00 ft below flood stage.
Recent Extremes
- Max discharge
-
4,020 cfsMay 14, 2025
- Min discharge
-
15 cfsSep 21, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
South Branch Potomac River Near Moorefield, WVVery High6.3 mi · 433 cfs
-
South Branch Potomac River Near Petersburg, WVVery High11.9 mi · 1,750 cfs
-
North F South Branch Potomac River at Cabins, WVVery High15.0 mi · 1,140 cfs
-
North F Shenandoah River at Mount Jackson, VAVery High25.1 mi · 839 cfs
-
North F Shenandoah River at Cootes Store, VAVery High26.5 mi · 527 cfs