Busy day for views, 249 guests and 46 users.
Plus I'm not entirely sure that the number of guest relates to individual 'users'.
On looking through the list I see 'Guest' checking out pages fro 2008 / 2009 for 14 seconds.
My guess is that bots/spiders are counted each time they view a page.
So, one bot/spider viewing 10 pages = 10 guests.