Narrated Abbas bin Tamim
from his uncle who said, "The Prophet went out to invoke Allah for rain. He faced the Qibla invoking Allah. He turned over his cloak (inside out) and then offered two Rakat and recited the Quran aloud in them."
Next: 2:137: Abbas bin Tamim from his uncle, I saw the Prophet on the day when he went out to offer the Istisqa' ...