Country
Daily records since 1995 · Level today: 434.94 ft
Across 25 complete years, 2014 had the lowest average level (427.53 ft) and 2019 the highest (437.53 ft).
On average the lake is lowest in November (434.52 ft) and highest in June (436.52 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 (9,654 rows; credit the original agencies listed below)