I actially just bought a new thermometer and my temps are now coming back at 36.6 c which is much higher than my usual. The enviroment in which I am taking my temps with the new thermometer is much warmer however, and my extremeties still feel extremely cold.
I still believe most of the digital thermometers are highly trash, can get like 3 or for difference readings with some one after each other. With the mercury ones that will not happen yet you have to be very patient for a full temp, 10minutes.