North Fork South Branch Potomac River in West Virginia
Around here
Around North Fork South Branch Potomac River
Data Source: Recreation.gov · Public land: USGS PAD-US
About this river
North Fork South Branch Potomac River is a 43.3 mile river. Streamflow is measured at the USGS gauge N F South Branch Potomac River at Cabins, WV (site 01606000). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1940 to 2026
North Fork South Branch Potomac River typically runs highest in March, at a median 588 cfs, and lowest in September, at 34 cfs. The highest flow on record for any single day is 11,000 cfs, in 2018.
Show the numbers
| Month | Typical (cfs) | Usual range (cfs) |
|---|---|---|
| January | 320 | 180 to 614 |
| February | 443 | 224 to 787 |
| March | 588 | 370 to 998 |
| April | 548 | 356 to 973 |
| May | 403 | 237 to 761 |
| June | 172 | 99 to 337 |
| July | 76 | 44 to 147 |
| August | 49 | 29 to 119 |
| September | 34 | 16 to 94 |
| October | 47 | 23 to 118 |
| November | 109 | 54 to 234 |
| December | 249 | 110 to 488 |
Typical is the median of each month’s daily median values, and the usual range runs from the median 25th to the median 75th percentile, across about 52 years of record. Statistics published by the US Geological Survey for N F South Branch Potomac River at Cabins, WV (site 01606000). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
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