What is the relationship between air temperature and dew point?
If the air remains unsaturated,then it will have a particular temperature which is called air temperature.If the air temperature comes down and the air becomes saturated at a lower temperature, then that temperature is called dew point temperature. So, if air is saturated, the air temperature and the dew point temperature both will be the same;otherwise(ie if the air is not saturated), air temperature will be more than the dew point temperature.