Statistics Card - Date display

[braamvh]

Currently the Statistics card is good at displaying long-term values. As an example - the maximum temperature of my house battery pack over the past year. This gives me insight into the health and safety of the system.

However, it would also be valuable to know when this occurred, as that allows for correlations to other items.

• Was it a once-off thing? Perhaps it is a very old data point.
• Is there a correlation with the temperature of the room they are in? Perhaps I need a fan with an automation here.
• Is there a correlation with the charge/discharge rate? Perhaps I need to examine my usage. Or perhaps a fan as above.

I believe this will allow for better planning and analysis of entity values. Finding that high data point in the long term statistics is very challenging over a long period of time.