Also, this is just based off of experience, but the traffic for August 27th doesn't look right: http://top.hatnote.com/en/wikipedia/2016/8/27.html
The spammers almost never all rise to the top like that, and the top (non-spam) page only having <150k views is pretty suspect, as well. Could this be related to T141506? The dates line up.
For my reference, here's the user report threads on twitter: