Do Most AdSense Publishers Earn More Money Later in Day?

A DigitalPoint forum thread asks AdSense publishers at what time of the day you earn most?? The thread has a poll, with the time grouped into four time segments; 00:00 - 06:00; 06:00 - 12:00; 12:00 - 18:00; 18:00 - 24:00. At the time of writing this, the poll results show that about 75% of the AdSense publishers, make a bulk of their income in the PM hours. With only 12 responses so far, join the thread and vote.