What historical readings show
What the year comparison shows for Lake Sils
Typical low point
1,796.26 m a.s.l.
April 11
Typical high point
1,796.83 m a.s.l.
June 30
Typical range
57 cm
Difference between daily medians
In the 1991-2020 reference period, Lake Sils's seasonal median is lowest on April 11 at 1,796.26 m a.s.l. and highest on June 30 at 1,796.83 m a.s.l.. The difference between these typical points is 57 cm. This describes the average seasonal cycle, not the largest individual fluctuation.
The 2026 curve currently contains 310 calendar days. On November 6 it shows 1,796.62 m a.s.l., which is 14 cm below that calendar day's median of 1,796.77 m a.s.l.. Compared with the same calendar day in 2025, the value is 7 cm lower.
For the comparison years 1991-2020, the highest displayed value is 1,797.77 m a.s.l. on June 18 and the lowest is 1,796.13 m a.s.l. on March 26. These extremes apply to this period, not the entire measurement history.
The analysis uses the water-level series from Silsersee, Sils Baselgia. 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.