My metrics tool is feeling optimistic

So the tool we use at work to track our website's page views is feeling wildly optimistic today (click on the image to see a larger version):


There's a clear weekly pattern, and when I took the screengrab at 3pm today we were on track to hit (or slightly exceed) the average for a Monday. Where the forecast of 50,000+ page views came from I don't know. Not least because it would be 14,000 page views above our site record...