Graph Queries Last `n` hours

[DanSchaper]

https://twitter.com/dreesclark/status/862745236166115328

[jacob.salmela]

Archiving this. This request falls under

Long-Term statistics for Pi-hole

I'm opening this new Feature Request so we can have a single place to discuss about how we would like to shape this idea until it goes into Pi-hole and out to you. First, let me say that we would like to leave the dashboard as it is right now (information over the day), because it has often proven to be very useful also as a network diagnostics tool. However, we could add - due to the advent of the FTL engine (beta testing) - a "long-term statistics" page where a limited amount of data is shown…