From an early date, it has been customary to begin recital of the phrase "He causeth the wind to blow and the rain to descend" in the Musaf of Shemini Atzeret in the fall of the year, and it is recited for the last time on the first day of Passover, in the spring.
From a long time ago, it has been traditional to start reciting the phrase "He causes the wind to blow and the rain to descend" in the Musaf of Shemini Atzeret in the fall, and it is recited one last time on the first day of Passover in the spring.