Country
Daily records since 1947 · Level today: 1.993 m
Across 47 complete years, 1956 had the lowest average level (1.302 m) and 1977 the highest (1.929 m).
On average the lake is lowest in May (0.564 m) and highest in August (2.490 m).
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One bar per year from the lowest to the highest daily level, with the year's average. Years with no bar have no daily record in the agency archive.
Years ranked by their lowest daily level.
Levels in metres. Partial years show the number of days with data.
Daily levels as CSV (25,183 rows; credit the original agencies listed below)