lk. Onega (Verkhne-Svirskoe rsv) - Chernyj Navolok
Mean monthly level | 1955-1973 |
Holder | The Federal Service for Hydrometeorology and Environmental Monitoring (Roshydromet) |
Mean monthly level | 1955-1973 |
Holder | The Federal Service for Hydrometeorology and Environmental Monitoring (Roshydromet) |