About this river
Rapidan River is a 13.8 mile river near Virginia Outdoor Center in Virginia. Streamflow is measured at the USGS gauge Rapidan River near Culpeper, VA (site 01667500). The National Hydrography Dataset places it at stream order 6. Reach geometry comes from the USGS National Hydrography Dataset.
Typical flow by month
1931 to 2026
Rapidan River typically runs highest in March, at a median 598 cfs, and lowest in September, at 128 cfs. The highest flow on record for any single day is 43,500 cfs, in 1995.
| Month | Typical (cfs) | Usual range (cfs) | Relative level |
|---|---|---|---|
| January | 459 | 283 to 764 | |
| February | 543 | 350 to 835 | |
| March | 598 | 415 to 915 | |
| April | 533 | 360 to 856 | |
| May | 447 | 295 to 710 | |
| June | 280 | 204 to 488 | |
| July | 191 | 111 to 318 | |
| August | 153 | 77 to 285 | |
| September | 128 | 65 to 272 | |
| October | 163 | 80 to 386 | |
| November | 254 | 142 to 518 | |
| December | 400 | 213 to 685 |
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 95 years of record. Statistics published by the US Geological Survey for Rapidan River near Culpeper, VA (site 01667500). Conditions on any given day can fall well outside the usual range. Check the current reading before you go.
Embed this gauge on your site
Paste this snippet anywhere, an outfitter page, a club site, a trip report, to show Rapidan River's live streamflow, water level and 7-day trend. It reads the USGS gauge directly, updates itself, and links back here.
See every free widget you can put on your site, including live conditions and a 7 day forecast.
