Wind chill temperature: The temperature of still air that would remove heat from an exposed human body as quickly as it is being removed by the existing combination of actual air temperature and wind speed. Humidity and evaporative cooling are not taken into consideration.
Apparent temperature: The heat index; using air temperature and relative humidity, how hot it feels to an "average" person (147 pounds) wearing light clothing and walking 3.1 m.p.h. in a wind that is blowing 5 m.p.h.
Temperature: A measure of the internal energy that a substance contains. The degree of hotness or coldness of a substance, or of the environment. Air temperature is the most frequently measured atmospheric variable.
