You can find the IRC logs for up until the 16th of January 2013 here.
Alternatively, bakpak2hvy has been taking logs which are available here. The log bot "cicada" takes logs and updates continuously.
|[10:09]||iII|out||hey, I found my logs from january to april, minus the first 6 hours or so|
|[10:09]||iII|out||someone was asking for them in here|