|So here look at this, this is to let you know that we know about the downtimes...|
Weekly uptime:90.18% Downtime:14 hour(s) 28 min(s)
Day 2013-07-10 Uptime:20.78% Downtime:11 hour(s) 31 min(s)
Day 2013-07-09 Uptime:87.76% Downtime:2 hour(s) 56 min(s)
Day 2013-07-08 Uptime:99.94% Downtime:46 sec(s)
if the page successfully returns each hour for 24 hours then it will get 100%, however if it fails then the counter starts for failed pageloads ect. ect. then the downtime for the page is calculated along with the failed pageloads.