I've had intermittent trouble with my ISP, and its coincidentally when the temperature gets around freezing and below. I replaced my modem last winter which seemed to help but, I believe it was a red herring. Any insight is appreciated.
https://share.pingplotter.com/9yeoXdWCvPy
https://share.pingplotter.com/CFwZjiXt4mT
https://share.pingplotter.com/H1fmidBTVWV