Its the definition of "Unique Visitors" due to which figures per day don't add up to the total figure. A unique visitor is a metric referred to an individual who has visited a site for the first time within a "certain time period". So its unique for the time period that is selected in Adobe Analytic...

here are few lines about myself - I am Amit, I support the delivery of digital marketing analysis framework and score-cards and have been using Adobe Analytics for past 7 years. My insights driven analytics approach is on adapting information visualization techniques and automation to incorporate th...