Don't know what to say...they update quite exact here. Same stats on adsense as awstats so I guess their ok. Just wait a little more guys and check it again
Yes, I have lower impressions as well by at least 20 percent. CTR and eCPM are normal. Earnings are in line with lower impressions.
i guess now your statistic is back to normal ?? i know the google stats is not immediate updated. it take some time.