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What is heat index? How hot does it really feel outside? Use this chart to find out
The chart is a grid where you can find the ... you can enter the temperature and either the relative humidity or the dew point to calculate the heat index temperature.
Hosted on MSN7mon
What is the heat index?
In order to calculate the heat index, you need to compare the dew point (or relative humidity) values and the actual air temperature. Below is a chart of some of these values: For example ...