Reference data analysis
What the year comparison shows for Lake Baldegg
Typical low point
462.93 m a.s.l.
October 5
Typical high point
463.19 m a.s.l.
January 3
Typical range
26 cm
Difference between daily medians
In the 1991-2020 reference period, Lake Baldegg's seasonal median is lowest on October 5 at 462.93 m a.s.l. and highest on January 3 at 463.19 m a.s.l.. The difference between these typical points is 26 cm. This describes the average seasonal cycle, not the largest individual fluctuation.
The 2026 curve currently contains 266 calendar days. On September 23 it shows 462.48 m a.s.l., which is 47 cm below that calendar day's median of 462.95 m a.s.l.. Compared with the same calendar day in 2025, the value is 74 cm lower.
Within the 1991-2020 reference period, the envelope reaches its highest value of 464.13 m a.s.l. on August 10 and its lowest value of 462.56 m a.s.l. on August 8. These are extremes of the displayed reference period, not all-time records.
The analysis uses the water-level series from Baldeggersee, Gelfingen. Matching calendar days are compared, and the median is the middle value of the reference years. This classification does not replace flood warnings or local safety information.