Daily Process Log is great for finding that one user who did something funky this morning. Or whose site got slashdotted this evening.

I would like to be able to get a longer term view so we can see what people are using over a period on average. This would be to help us charge accordingly.

Does anyone know how to harvest/pull in the data from daily process log to create a report such as "users weekly CPU average" or "users monthly CPU average"