Al-Aswad, Murrah and Masruq narrate that Sayyiduna Abdullah (may Allah be pleased with him) said: "No daytime prayer equals the night prayer except the four rak'ahs before Zuhr, and their excellence over the other daytime prayers is like the excellence of prayer in congregation over the prayer of one praying alone."
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 9414