Hallwilersee GFS27 (langfristig), Switzerland – Hallwilersee: ———————————————- Day 2 (Thu 21.12.2023): 13.2 knots (Minimum wind speed during daylight)
Day 3 (Fri 22.12.2023): 11 knots (Minimum wind speed during daylight)
www.windguru.cz/137239
———————————————-