Not graded
Hisn al-Muslim (Fortress of the Muslim) 169
((اللَّهُمَّ اسْقِنَا غَيْثاً مُغِيثاً مَرِيئاً مَرِيعاً، نَافِعاً غَيْرَ ضَارٍّ، عَاجِلاً غَيْرَ آجِلٍ)).
(O Allah, send upon us helpful, wholesome and healthy rain, beneficial not harmful rain, now, not later.)
Cited in Hisn al-Muslim (Fortress of the Muslim) (No. 169).