I got $112 from around 48 clicks one day and it was on a free online games site. It happened on a Thursday and never happened again. I think an advertiser made a little mistake with Adwords and bidded rather high or something. As just over $2 on an average of 48 clicks is not that easy to get from a free online games sort of site I don't think.
The average I get now is more around the $0.05 - $0.15 per click for the free online games site.