Yes, the 3 steps up are clear (13th 3K->16K, 15th 15K-> 21K, 18th Aug 21K -> 27K), but the one step down (7th Sept 27K -> 3K) is puzzling. If she's only been on for a few minutes at a time since June it's difficult to see how those would change the total time on cam enough to cause that drop in...