According to this article posted on PR's website it looks like no CCCA race May 11th (rescheduled to June 22nd on their website) and no June 1st race (rescheduled to July 20th on their website). The July 20th date puts a race at PR on Friday night then Bremerton on Saturday. I'd guess that'll make some people miss one or the other.
The info is based on PR's website info thus not official. You can read it here: http://www.pacificraceways.com/news/12-05-03/Drag_Strip_Improvements_Begin_this_Weekend.aspx
Scott