The page does say "All data is averaged over the last three weeks" however it doesn't seem like that is the case for me either. I see it show queries that I haven't ranked well for in a couple of months.
I also see data that just looks too strange to be possible.... like my "top search query clicks" is showing the number one result as something I rank #84 for. (And it says that I rank #84 for). How is it possible that the search term that gets me the most clicks I rank #84 for? And according to my statistics software I almost never get clicks for that term.
-- This message may have been cut off and the rest will only be shown to members. To become a member, click here --