How does rain affect a quarterback's throw?

Here is how rain affects a quarterback's throw: *Rain makes the ball wet and heavier which will shorten the distance it travels, as well as the trajectory.. *Rain makes it harder to grip the ball, affecting the quarterback's ability to impart spin and force to it. *Rain hitting the ball will shorten the distance it travels, as well as the trajectory. *A wet uniform, as well as being cold, can affect the quarterback's ability to throw. *Rain can also affect vision, making the target harder to determine. *Mud and wet fields make footing less sure and can affect the force the quarterback imparts to the football.