| Station: | Roanoke Rapids, N.C. | Continent: | North America | ||
| River: | Roanoke | Major Basin : | Atlantic Ocean | ||
| Country: | United States | Discharge into : | Atlantic Ocean | ||
| Observation Period: | 1965 - 1984 | Total Months: | 240 | ||
| Latitude (dec deg): | 36.46 N | Area (km2): | 21782 | ||
| Longitude (dec deg): | 77.63 W | Elevation (m): | 13 | ||
| Annual Discharge: (m3/s): | 223.0 | (km3/yr): | 7.0 | ||
| Annual Runoff: (l/s/km2): | 10.2 | (mm/yr): | 322.8 |
| Mean for Observation Period | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| m3/sec | 271.3 | 296.3 | 296.6 | 300.8 | 293.0 | 209.4 | 172.7 | 155.7 | 138.8 | 159.0 | 187.3 | 200.1 |
| km3/mo | 0.7 | 0.7 | 0.8 | 0.8 | 0.8 | 0.5 | 0.5 | 0.4 | 0.4 | 0.4 | 0.5 | 0.5 |
| mm/mo | 33.4 | 32.9 | 36.5 | 35.8 | 36.0 | 24.9 | 21.2 | 19.1 | 16.5 | 19.6 | 22.3 | 24.6 |
| l/s/km2 | 12.5 | 13.6 | 13.6 | 13.8 | 13.5 | 9.6 | 7.9 | 7.1 | 6.4 | 7.3 | 8.6 | 9.2 |
