WRF27, Switzerland – WISCH Hallwilersee, Meisterschwanden-Tennwil, Windsurfclub: ———————————————- Day 1 (Thu 23.12.2021): 9.9 knots (Average wind speed during daylight)
Day 2 (Fri 24.12.2021): 11.2 knots (Average wind speed during daylight)
www.windguru.cz/538682
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