Wind drift depending on sea level this will vary some, I figured it for my 600 ft above sea level.
Bullet---yds----drift----Bullet---yds----drift
XTP250-150----9"------SW250-150-----6.5"
--------200----16.9------------200----12
--------250----27--------------250----19
--------300----39.6------------300----29
I figured 10 miles per hour with the answer in inches.
I realize that different parts of the country and other countries may vary greatly but except during bad weather we rarely see any wind over about 6 miles per hour here.
Lee