ohno - 1:55 pm on Sep 26, 2012 (gmt 0)
Sometimes we have a great start to a day, hit our normal level of sales by 1pm and think we're in for a good day, then the door shuts and the total at the end of the day is exactly what we would have predicted. Could be natural, but it defies all real world explanation.
100% the same, & has been for some time now. The Thursday effect I can recall as far back as 2009.