65e2f10e_ve_Summary___The_Prop_8_Report__The_Common_Conception
[0] 7 [The Reality] This is true, or not, depending on what date you choose as the start of the campaign. No didn’t lose ground between May and November; it had roughly the same amount of voter support at the time of the court decision as it did on Election Day. But the stronger argument is that the common conception has it right. No on 8 did lose ground between mid-September and November 4. During the six weeks leading up to election day, when both sides had paid TV ads on the air, No on 8 went from being even with Yes on 8 to falling behind. See Finding 1 and Appendix H for a more detailed explanation. [The Common Conception] 
No on 8 lost ground over the course of the campaign.
(b) Executive Summary - The Prop 8 Report
The Common Conception