congrats, i think the reason for that surprising jump in income comes from adsense renewing its adverstisers ad list :>! lets hope it stays like this for the long run!
9 months is pretty good to start earning over $50 a day! looks like the hard work has paid off for that site, and was it much hard work? Do you know what sparked the major change, or was it just a good day?
My average is 35/day actually... my target is to settle in $50 by December and improve more next year..