Air/Baro temperature correction is there to make sure the car makes the same power every time you run it (if you don't use it then it becomes almost impossible to see if you have actually made or lost power between different days)

the rules state the air temp probe should be at the air filter, measuring the temp of the air that the engine is breathing

however - if the Dyno cell / engine bay is not efficient then the temp you see may not be realistic - the dyno has to compensate for the temp that it measures

the beauty here is that if the operator has tried to fudge the graph - then its there as plain as day for all to see and can not be covered up ! plenty of dyno's hide this information

I'm not suggesting that this dyno operator has tried to interfere with this graph at all - what we can see however is that there was a higher intake temp than expected. It would be worth investigating why that was