The chart is a grid where you can find the heat index temperature by looking at the air temperature and relative humidity. For example, the NWS says if it's 96 outside and the humidity is 65% ...

Put simply, the dew point is the temperature the air needs to cool to to become fully saturated. On any given day, there is a ...

It is the temperature air needs to cool to become saturated at a constant pressure. Relative humidity is the amount of vapor in the air over the maximum amount of vapor the air can hold ...

Relative humidity: This percentage compares the current water vapour in the air to the maximum amount that the air can hold at a specific temperature. High relative humidity on a hot day can make ...

The chart is a grid where you can find the heat index temperature by looking at the air temperature and relative humidity. For example, the NWS says if it's 96 outside and the humidity is 65% ...