Dr Braun thermometer

Shanice • Baby dust to all!!

My six month old feels warm to me, but when I take his temperature with the Doctor BrAun no touch thermometer I’m getting mixed reading. When placed in the center of forehead, I got a temperature of 98.6, placed on both his temples got a reading of 100.4 and 99.6. I’m confused. Which one should I go with?