@chpalmer
yeah I'm fairly sure this confusion is the source of the rather quick bug closure.
It isn't about the temperatures themselves.
It isn't about the sensors themselves.
It is about the graph function listed in bug 16302.
There is a graph function with a handful of dropdown options. It defaults to CPU; and you can pick right now, a week, a month, whatever of data. A year of cpu is whatever it is, but the dates are correct at the bottom of the graph. Flip it to thermal sensors, and the graphs have a pretty whack time range despite having the exact same 1 year or 6 month setting or whatever.
To your query; mine is sitting ambient room temperature between 65-74F (18-23C and the thermals on the firewall itself usually report between 91-95F (32-35C).
Again...it isn't the sensors...it is the specific graph function.