Yesterday i had to disconnect from the electrical grid all my equipments because had an electrical storm (81.5 mm in just 2 hours) when i reconnected all the systems some data was lost, and had diffents data on weatherlink.com and meteobridge (wunderground and the website), i have an ISS Davis Pro2 plus and an envoy (with batteries), why this happens?
attached the images
The first 2, have the same time
this one have data before i pluged off
