Supplication after it rains
مُطِـرْنا بِفَضْـلِ اللهِ وَرَحْمَـتِهِ
173. Mutirnaa bifadhlillaahi wa rahmatihi.
It has rained by the
bounty of Allah and His mercy
Reference: Al-Bukhari
1/205, Muslim 1/83.