Usage inaccuracies

I have a desktop running Win 7 Pro connected via Ethernet to a 4G router. As I am on a limited data plan it is important to monitor usage. I can check via internet 4G data for the billing period and data is contained to the desktop use.
So here are some stats;

Sorry for any problems.

Please keep in mind GlassWire can show external and local traffic. Here is a guide with more details:

Here is a guide that explains how to use the usage stats in detail.