You can get the sum column's time data by grouping statuses.
While you are in the configuration manager, you may add statuses group as well.
After entering the status group manager, you can create and manage the group.
First of all, add a name to your group and select a project to monitor. Then, select statuses on which the timer should start and stop the calculation.
You can also choose a status on which the timer should be on pause.
After you customize your calculation preferences, set the Warning and Critical time limits
This feature will help you to get the visual colour tagging on issues to notify when the time limits have been exceeded:
Warning time limit - yellow
Critical time limit - red
To select the group status to be displayed on the dashboard, click Status Group and select the checkboxes of all the group statuses you want to display.