According to Ruth Paine, he came out on Saturday, November 2 instead of Friday. And on the weekend of November 8 he stayed Monday as well because it was Veteran's day. So this "usual schedule" that "Richard" describes of coming out on Friday evening and returning Monday morning consists of exactly 2 weekends.
According to Ruth Paine he always called first.
Seems Paine was caught by surprise this time.
Now there's a 'show-up' for you.