They always tell us that we don't lose click or money. I can confirm that my sites generated clicks during that down maintenance period but google stats are still showing the exact same data from 7 hours ago. They've always caught up before, likely they will again. Hope it doesn't take too long.
Yeap, stats are like from 10 hour ago or more. Nobody'll lose money - sometimes stats are down, but clicks are always counted good.
For the 3rd time in a month Adsense reporting is down... I wish one day they fix permanently this issue with the 24h reporting freezes. At least we are not losing earnings. Or I hope so...