And those are just the monumental problems with the way they measure the temps in the atmosphere. The far larger elephant in the middle of the room is the average temp of all the water in the oceans. With a herd of smaller elephants following behind such as fresh water, the ice caps, the earth’s crust, geo-thermal activity ... All massive quantities of material that have their own heat carrying capacity.
Since we are dealing with a majority water planet, would suggest a maritime environment. Perhaps a small to medium sized island or peninsula. For example the UK or Florida. If we utilize those, we just experienced the coldest December in the modern recorded era. Which of course explains the record number of Manatee deaths last year in Florida and all the other live stock problems in the UK/Florida last year.