You should use a Fahrenheit thermometer. He just took the human body temperature as 100 degrees . True, I was a little mistaken with the measurements. :)
Daniel Gabriel Fahrenheit (Fahrenheit; German Daniel Gabriel Fahrenheit; May 24, 1686, Danzig (now - Gdansk, Poland) - September 16, 1736, The Hague) - German physicist.
Well, in fact, a normal temperature is considered a temperature in the range of 36.2 - 37.0 - for many people, a normal temperature can be 36.3 or 36.9 throughout their life. 36.6 - this is the absolute norm - try to get sick leave at a temperature of 37.2 without other symptoms - and I will laugh at you)) the question is that a decrease in temperature from the norm is much more terrible than an increase to less than 39 Celsius. and you are more likely to die from a decrease in temperature than from a rise today, when there are means to fight infections