Originally Posted by
Seattle Forrest
Is this true? Dry (weather and air both) is associated with high air pressure, moisture with low.
Yes, kinda. Water vapor 18g/mol. Air 28.96.
https://www.engineeringtoolbox.com/m...067%20g%2Fmol.
Thing is when you deal with condensing water vapor, that is different. A mist is likely not as fast, and rain certainly is not, add to that the water on the road.
The rider may perform better in drier because they can cool better.