marqh (admin) 1 The temperature to which a given air parcel must be cooled at constant pressure and constant water vapour content in order for saturation to occur. Dew-point temperature dewPointTemperature Ɵ Meteorological quantity kinds Dew-point temperature The temperature to which a given air parcel must be cooled at constant pressure and constant water vapour content in order for saturation to occur. dewPointTemperature 2014-09-03T09:53:17.593Z