The diagram for London demonstrates the days every month, in the course of which the wind reaches a particular speed. An interesting case in point would be the Tibetan Plateau, exactly where the monsoon results in steady sturdy winds from December to April, and relaxed winds from June to Oct. https://daylight-objections-londo91357.techionblog.com/28194453/considerations-to-know-about-daylight-assessments-london