That 02s and BLM reading looks weird enough. Did you mess with the closed loop settings. Does the AIR system present and functioning. 02s looks frozen at stratup and really slow moving after that. They should be pig rich at startup and I noticed blms were 120 at open loop meaning they are pulling fuel.

You can set mode4 controls before starting the engine. Like setting target afr and spark for startup.

Humidity revealed some hidden problem you already had. Is it a tune or mechanical.
Humid air takes alot more energy to ignite, You lose about 10-20% power and there is water vapor condensation inside the cylinder untill it gets warmed up, which can foul the spark plugs with water.
But that is likely to happen at much lower temperatures.

The engine gets less efficient and draws more volume for the same amount of oxygen. That can explain the maxed out IAC counts at stratup.

To elimimnate CL tune problem I will start by running Open loop and than CL SD and OL SD.

It could be also 2 different problems mixed up.
1 is hard startup, which can be the result of spark syncronisation, Crank ve table, or slower fuel pressure build up.
2 is crap runninng untill warmed up, the result of weak spark, CL setting off chart, MAf table off chart.