| Station: | Porog | Continent: | Europe | ||
| River: | Onega | Major Basin : | White Sea | ||
| Country: | Russia | Discharge into : | Barents Sea | ||
| Observation Period: | 1965 - 1984 | Total Months: | 240 | ||
| Latitude (dec deg): | 63.82 N | Area (km2): | 55770 | ||
| Longitude (dec deg): | 38.27 E | Elevation (m): | 10 | ||
| Annual Discharge: (m3/s): | 505.3 | (km3/yr): | 15.9 | ||
| Annual Runoff: (l/s/km2): | 9.1 | (mm/yr): | 285.9 |
| Mean for Observation Period | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
| m3/sec | 193.4 | 152.4 | 136.0 | 467.2 | 1917.5 | 843.8 | 419.7 | 309.2 | 342.9 | 503.7 | 449.1 | 300.1 |
| km3/mo | 0.5 | 0.4 | 0.4 | 1.2 | 5.1 | 2.2 | 1.1 | 0.8 | 0.9 | 1.3 | 1.2 | 0.8 |
| mm/mo | 9.3 | 6.6 | 6.5 | 21.7 | 92.1 | 39.2 | 20.2 | 14.8 | 15.9 | 24.2 | 20.9 | 14.4 |
| l/s/km2 | 3.5 | 2.7 | 2.4 | 8.4 | 34.4 | 15.1 | 7.5 | 5.5 | 6.1 | 9.0 | 8.1 | 5.4 |
