A view from the fridge has an explanation of what this is about.
Lowest reading 4.5 at 2021-01-13 23:31:02 (+0)
Highest reading 5.5625 at 2021-01-18 01:01:02 (+0)
Last check point: 2021-01-18 01:23:02 (+0)
Total events in last period: 10053
Version 1.4 - 15 Sep 2019