A dew point measures how much total water there is in the atmosphere. Therefore, it's harder for your body to cool off in the summer by evaporating sweat. So, to sum up: The lower the dew point ...

The dew point is the temperature the air needs to be cooled to in order to achieve a relative humidity (RH) of 100%. The higher the dew point rises, the greater the amount of moisture in the air.

After ten days of low humidity, muggy air has returned and will remain for at least the next week (April 18-25) as strong ...