> Some tasks require parts preheated for X time, which depends on ambient temp, they use a lookup table for the time of day instead of measuring the temp direct

> Some tasks require parts preheated for X time, which depends on ambient temp, they use a lookup table for the time of day instead of measuring the temp directly. (Assume this is for reliability purposes) That's an interesting one. Guessing that there also must not be that much variation of temp and weather conditions?