When Is A Typical Winter Start Date For Ey

Correct the typical B2 First key word sentence transformation mistakes A candidate has answered all of the Use of English Part Four questions below but has made one mistake in each answer.

when is a typical winter start date for ey 1

I've been wondering for a while which one is correct "typical of" or "typical for". When you look it up in dictionaries they will give you "typical of". But I've come across "typical for" in newspapers and on the Internet. I have also read that "typical of" is more common in the American Corpus...

when is a typical winter start date for ey 2