Wind

This page is dedicated to the collected human knowledge related to golf and wind and how it effects the flight of the golf ball going back over 10,000 years

GOLF IS HARD - PGA Players struggle with the wind.  Has to be watched on YouTube directly

 

TLDR; Headwinds - if the headwind is n miles per hour, that will take n yards off your shot.  Tailwinds - if the tailwind is n miles per hour, that will add n/2 yards to your shot.  For you non-engineers, replace n with a number of actual miles per hour.