(3) باب الْحَالِ الَّتِي يُسْتَحَبُّ لِلإِمَامِ أَنْ يَكُونَ عَلَيْهَا إِذَا خَرَجَ
It was narrated from Abdullah bin Zaid that:
The Messenger of Allah (ﷺ) prayed for rain wearing a black khamisah. (RU)
Reference (RU): Sunan an-Nasa'i 1507 (RU)
In-book reference (RU): Book 17, Hadith 4 (RU)
English translation (RU): Vol. 2, Book 17, Hadith 1508 (RU)