Method and apparatus for creating and modifying graphical schedules in conjunction with historical data

An apparatus comprising

• a scheduler process configured to issue commands to at least one device in accordance with a graphical schedule for said at least one device;
• a historical data manager process configured to collect historical information including historical data that varies by time and that is related to use of said at least one device;
• a user interface device that includes a screen with a graphical user interface that simultaneously displays said graphical schedule for said at least one device, and historical information related to said at least one device, said graphical schedule indicating a relationship between time and at least one user-selected condition to be satisfied by said at least one device or at least one user-selected action to be taken by said at least one device, said user interface device further configured to receive graphical manipulations from a user in response to which said graphical schedule is changed.