"If you add all 79 temperature readings in that map they average out to -4.5 degrees which proves my point."

That is the stupidest mis-use of statistics I have seen in months.

You are uneducable on this issue.
Politics dictates your position, and you will find a semi-clever but silly answer to anything.
You (and I) will probably be dead by the time we get to say I told you so, and there will be no joy anyhow.