Reference data analysis
What the year comparison shows for Lake Brenets
Typical low point
749.82 m a.s.l.
July 27
Typical high point
751.11 m a.s.l.
January 6
Typical range
129 cm
Difference between daily medians
In the 1991-2020 reference period, Lake Brenets's seasonal median is lowest on July 27 at 749.82 m a.s.l. and highest on January 6 at 751.11 m a.s.l.. The difference between these typical points is 129 cm. This describes the average seasonal cycle, not the largest individual fluctuation.
The 2026 curve currently contains 265 calendar days. On September 22 it shows 743.42 m a.s.l., which is 669 cm below that calendar day's median of 750.11 m a.s.l.. Compared with the same calendar day in 2025, the value is 663 cm lower.
Within the 1991-2020 reference period, the envelope reaches its highest value of 753.92 m a.s.l. on January 23 and its lowest value of 735.89 m a.s.l. on November 23. These are extremes of the displayed reference period, not all-time records.
The analysis uses the water-level series from Lac des Brenets, Les Brenets. 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.