Is wet bulb temperature the same as dew point? Mike Moss: In a saturated air parcel (with relative humidity 100%) the wet bulb, dry bulb and dew point temperatures are all the same. In a drier parcel ...

We’ve all heard someone say, ‘It’s not the heat, it’s the humidity.’ Many of us have also seen the heat index on a hot and humid summer day, but what about a wet bulb temperature? Several scales ...