(16) باب الْجَهْرِ بِالْقِرَاءَةِ فِي الاِسْتِسْقَاءِ
Narrated `Abbad bin Tamim:
from his uncle who said, "The Prophet (ﷺ) went out to invoke Allah for rain. He faced the Qibla invoking Allah. He turned over his cloak (inside out) and then offered two rak`at and recited the Qur'an aloud in them."
Reference: Sahih al-Bukhari 1024
In-book reference: Book 15, Hadith 19
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 2, Book 17, Hadith 136