Lake Baikal measures 12,239 square miles (31,700 square kilometers), making it Earth's seventh-largest lake.It is not only the world's oldest lake but also the deepest one, at about 1 mile (1.6 ...

Rainfall was average or higher than average across 94 per cent of the area. Total rainfall was 48 mm, 66 per cent higher than the long-term mean of 29 mm for December. Streamflows were variable across ...