guardian/frontend — pull request #1708 by stephanfowler (2013-09-24 12:52:28+00:00)
Title: Sparklines show averages

Normalise the pageviews-per-min averages in the graph hover:

![admin-graphs](https://f.cloud.github.com/assets/1147913/1199776/f3922cd6-2517-11e3-8476-61eee3274e2e.png)