History Graphics

Hi all!

I’ve added to my Hassio a shelly istnt temperature as a mqtt sensor.
But, if I try to track the previous temperature values i get a graphics similar to a “state” history graphics instead of one for float values such as temperatures or humidities.
what I get is this:

image

But i’d like to get this:

image

what am I doing wrong? thanks.

Funny, I just answered this on another topic…