فَإِذن هُوَ قريب من الإعتدال فِي الْحر وَالْبرد إِلَّا أَنه غير معتدل فِي الرُّطُوبَة واليبوسة وَكَيف وَالشَّمْس قد جففت الْهَوَاء وَلم يحدث بعد من الْعِلَل المرطبة مَا يُقَابل تجفيف الْعلَّة المجففة
That is why the temperament of the air is between hot and cold, but not between moisture and dryness. When the sun has rendered the air dry, how could there remain behind in the air any humectants which would counteract the source of desiccation