Yup I recall his post, this is what it was:

Can't believe I ever debated which direction to mount it, there are some in depth post out there that made me think about actually running it backwards (scientific data no less ). In the end mike neal suggested he was pleased mounting his the correct direction to swipe water. That rang true and I followed suit.

I kinda went with the same thinking, and without "scientific data" other than common sense .