A view from the fridge has an explanation of what this is about.
Lowest reading 2.75 at 2022-01-11 11:48:03 (+0)
Highest reading 4.875 at 2022-01-10 12:00:04 (+0)
Last check point: 2022-01-16 19:58:03 (+0)
Total events in last period: 10054
Version 1.5 - 30 Nov 2021