Here's a mostly updated list for 2012. I know it isn't 100% correct because not every school posts their season bests in a timely fashion. It'll do in a pinch, though.
Anyway, enjoy the stats.
PAC-12 Top Ten Bests (pdf)
If you know of an omission drop me an email.
The PAC-12 list linked above has been updated, yea!!!! It is a 'top marks' list by athlete. My lists are the school records from each PAC-12 school.
The lists are in pdf. format.