[Ameya]

...when you stay at the work site all night despite a blizzard dumping 12-20 inches (not sure yet) of snow.

OR, if you're like me,

...when, despite your parents requiring you to stay at home because of the snow, you work hard at programming the robot by connecting to the computers using MS NetMeeting, use remote program sharing to actually use the PBASIC editor, and have them send you MPEGs of the results.