Why do Revenue reports have no data at the beginning of the month?

If you use a date range of "This Month" on the 1st or 2nd day of the month your report may say that no data is available. This is because Revenue from a given day is loaded the following morning. So on, for example, July 1 a date range of "This Month" would not yet have July data, and on the morning of July 2 the data would not be available until the previous day's data is loaded at around 9:00am Eastern Time.