I would think you'd test at boiling then...after finding out what boiling is at your eleveation.The temps i need for beer are in the 170 to 200 range but calibration.
Well aware of that...but....a human medical therm with their tight tolerances is the closest I can come to an absolute/standard, not having access to a calibration lab anymore. Sometimes you've got to use logic and flexibility when dealing with the less than ideal.Has to take place at an absolute
Hens go broody when you don’t want them to… and won’t go broody when you do. 