[Dashboard] Divergence Visits Overview widget and Visits over time widget

  1. On the Dashboard screen, a filter was made by date. Apply period: date range: from 2022-05-01 X to 2022-05-31.
    1.1 The visits value displayed in the Visits Overview widget is 13.000.000
    1.2 In the exported worksheet from the Visits over time chart, the sum of the visits column is 42.000.000

  2. On the Dashboard screen, a filter was made by date. Apply period: date range: from 2022-05-02 X to 2022-05-31 (shorter period).
    2.1 The visits value displayed in the Visits Overview widget is 31.000.000
    1.2 In the exported worksheet from the Visits over time chart, the sum of the visits column is 41.000.000

Why did the visit values displayed in the overview widget increase?

Why are the visits values displayed in the overview widget not equal to the sum of visits value extracted from the Visits over time widget worksheet?