(9) باب كَيْفَ يَرْفَعُ
It was narrated that Anas said:
"The Messenger of Allah (ﷺ) did not raise his hands during any supplication except when praying for rain, when he used to raise his hands so high that the whiteness of his armpits could be seen."
Reference: Sunan an-Nasa'i 1513
In-book reference: Book 17, Hadith 10
English translation: Vol. 2, Book 17, Hadith 1514