Of course there's a pattern.
Original post: November 17, 2005 (SUPER)
First bump: December 18, 2005 (Wandering, on his one word per post story rampage)
Second bump: January 16, 2006 (UncleBob)
Third bump: February 16, 2006 (UncleBob)
Fourth bump: March 16, 2006 (UncleBob)
Fifth bump: April 17, 2006 (vudu, only because UncleBob forgot to bump the previous day)
Sixth bump: May 8, 2006 (ShyGuy, because he sucks)