Sahih Ibn Khuzaymah

Imam Abu Bakr (may Allah have mercy on him) says that in the narration reported by Yunus and Ma'mar from Imam Zuhri, these words are present: that the Prophet (peace and blessings be upon him) led two rak'ahs (units of prayer).

Imam Abu Bakr (may Allah have mercy on him) says that in Imam Thawri's narration from Hisham bin Ishaq, these words are present: "Just as you used to offer the Eid prayers." (In the same way, the takbeers will also be recited in the prayer for Istisqa.)

And the evidence against the statement of those among the Tabi'in who claimed that the daytime prayer is silent—meaning that one does not recite aloud in any of the daytime prayers—is what Abu Bakr said: In the report of Ma'mar, from al-Zuhri: He recited aloud.

Imam Abu Bakr, may Allah have mercy on him, says that in the narration of Zuhri from Ma'mar, the words regarding reciting aloud are mentioned.

It is narrated from Ishaq bin Abdullah that the governor of Madinah Munawwarah, Walid bin Utbah, sent him to Sayyiduna Ibn Abbas (may Allah be pleased with them both) and said to him, "O my nephew, go and ask him how the Messenger of Allah (peace and blessings be upon him) performed (the supplication and prayer) for rain on the day he prayed for rain with the people." Ishaq says that I presented myself before Sayyiduna Ibn Abbas (may Allah be pleased with them both). I asked, "O Abu al-Abbas, on the day the Messenger of Allah (peace and blessings be upon him) prayed for rain, how did he perform the supplication and prayer for rain?" He replied, "The Messenger of Allah (peace and blessings be upon him) went out with utmost humility and simplicity, and he performed the prayer for rain in the same manner as he would perform the Eid al-Fitr and Eid al-Adha prayers."