(18) باب صَلاَةِ الاِسْتِسْقَاءِ رَكْعَتَيْنِ
Narrated `Abbad bin Tamim from his uncle who said:
"The Prophet (ﷺ) invoked Allah for rain and offered a two rak`at prayer and he put his cloak inside out." (RU)
Reference (RU): Sahih al-Bukhari 1026 (RU)
In-book reference (RU): Book 15, Hadith 21 (RU)
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 2, Book 17, Hadith 138 (RU)