That´s awesome.My highest per click is $2.03.Depending on the niche, you could earn up to $60 per click! This is where I found that information, see the video: http://www.googlest.com/ (And no, this is not an affiliate link)
Thats a pretty big i have got 1.63 maximum for my adsense. I wish I can get one or two clicks and I can touch to 100. I am very near to it.