Want to see when the peak periods are? This tells you when the best time to launch new messaging. Day of week, time of day, day of month.

Name: google analytics winners and losers for ANY metric by day and day of week and day of month.xlsx.xlsx 
Subject: widget 
Keywords: See the best and worst values for ANY metric grouped by time of day, day of week, day of month

This widget is available for Excel 2007 and above and is refreshed with Next Analytics.