We just got back from our trip and I checked my netatmo. Nothing but dashes in the app.
I ran the setup wizard and the first thing it wanted to do was a firmware update. This fixed the problem and it works again.
I got the netatmo rain gauge for Christmas from my kids. I set it up, but it will sit in the box until warmer weather.
Netatmo must have done something with the barometer, because it is much better with the actual altitude now.
Finally, some months ago I relocated the outdoor sensor into a NovaLynx small instrument shelter. I did it to get a better/closer signal into the house, but it had the side benefit of much improved temperature readings. It tracks my Davis sensors quite well in the new location.
Greg H.