<u><em>Heat Index</em></u> plays a major important role in deciding the climatic conditions of each persons life.it also combines temperature and humidity together as a very good balance.
<u><em>The opposite of the heat index is the wind chill temperature. It measures</em></u><em><u>how cold it feels outdoors when wind speed is factored in with the actual air temperature.</u></em>yes,studying these both are just opposite from my point of view