← Hallwilersee
Hallwilersee — Year comparison & records
The 2026 water level compared to last year and to the 1991-2020 reference period: median, typical range (25th-75th percentile) and the extremes of those 30 years.
Very lowNormalVery high
Very low — 0.35 m ü. M. below the median — very low for this calendar day (reference period 1991-2020).
Highest value (1991-2020)449.17 m ü. M.
Lowest value (1991-2020)448.12 m ü. M.
Source: FOEN, 1991-2020 reference period