A 2,171 km² sub-basin of the Mid-Atlantic region in VA. Drought coverage is from the US Drought Monitor (map of 2026-10-13); streamflow classes place each USGS gauge's latest reading against its own day-of-year record.
| Date | DSCI | D2+ % | Gauges low | Flow pct |
|---|---|---|---|---|
| 2026-10-18 | 100 | 0 | 0/4 | p75 |
| 2026-10-17 | 100 | 0 | 1/4 | p77 |
| 2026-10-16 | 100 | 0 | 1/4 | p71 |
| 2026-10-15 | 176 | 0.64 | 1/4 | p77 |
| 2026-10-14 | 176 | 0.64 | 0/4 | p85 |
| 2026-10-13 | 176 | 0.64 | 0/4 | p92 |
| 2026-10-12 | 176 | 0.64 | 0/4 | p95 |
| 2026-10-11 | 176 | 0.64 | 3/4 | p10 |
| 2026-10-10 | 176 | 0.64 | 4/4 | p8 |
| 2026-10-09 | 176 | 0.64 | 4/4 | p8 |
| 2026-10-08 | 176 | 0.64 | 4/4 | p9 |
| 2026-10-07 | 176 | 0.64 | 4/4 | p9 |
| 2026-10-06 | 176 | 0.64 | 3/4 | p17 |
| 2026-10-05 | 176 | 0.64 | 3/4 | p17 |