once
اللَّهُمَّ اسْقِنَا غَيْثاً مُغِيثاً مَرِيئاً مَرِيعاً، نَافِعاً غَيْرَ ضَارٍّ، عَاجِلاً غَيْرَ آجِلٍ
Edition transliteration
Allahummas-qina ghaythan mugheethan maree-an mureeAAan, nafiAAan, ghayra dar, AAajilan ghayra ajil.
Meaning
O Allah, send upon us helpful, wholesome and healthy rain, beneficial not harmful rain, now, not later.
Source and references
Hisn al-Muslim, entry 169.The reference is copied from the edition; separate editorial verification is not complete yet.
Source edition: Fortress of the Muslim. Open source ↗