Hallwilersee GFS27 (langfristig), Switzerland – Hallwilersee: ———————————————- Day 2 (Sun 10.12.2023): 9.4 knots (Minimum wind speed during daylight)
Day 3 (Mon 11.12.2023): 8.1 knots (Minimum wind speed during daylight)
www.windguru.cz/137239
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