Country
Daily records since 2000 · Level today: 775.38 ft
Across 25 complete years, 2014 had the lowest average level (774.43 ft) and 2007 the highest (775.46 ft).
On average the lake is lowest in March (774.66 ft) and highest in June (775.38 ft).
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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 feet. Partial years show the number of days with data.
Daily levels as CSV (9,432 rows; credit the original agencies listed below)