Hello. I have a cabled Davis weather station that is connected to a Weather Envoy data logger which uploads via my router to weatherlink.com and then to Weather Underground. I also download the data from the envoy to Weatherlink (v. 6.0.3 on my computer). The Weather Envoy has 3 AA batteries that are supposed to allow the continual collection of data during a power outage, however, during the past two outages of 4-12 hours, the data logger has recorded no data from my station. Any ideas? I'm running Weatherlink on a Windows 10 machine. I replace the batteries every fall and when I run battery status on weatherlink, it shows 4.68V. Also, the station maintains the correct time and date during the outage.