PantLoad
The charts are based on assumptions....just like any piece of engineering.
In the real world, we don't have those exact assumptions. So, we have to season our data with our experience.
I say again, "If your landing with a tailwind on a wet runway, you're asking for trouble."
Listen you, I just flip past the Contaminated Runway section of the AFM and refer to the well-known "Reverted Rubber Hydroplaning, Water Ponding on an Uncrowned Runway Landing Distance Chart" and apply the exact tailwind component. No worries for us big jet drivers!