There are some web analytics tools that can save the data automatically through a period of time, others do it on demand. They can be exported to an Microsoft Excel file to be stored, processed and printed. I recommend that you record the stats by yourself, thinking in the worst case is a good practice.
For example, look at this options:
These targets, expressed in an Excel file would look like this:
You can see this examples live on
www.magnacounter.com
Information July 1st 2009
