If you read the actual Study that was kindly posted by @Summer Sun above and compare it to the Stories printed in the media, you'll probably understand my own post a bit more.
And as pointed out by @Quicksilver1989, the bit about "Mild Winter" was in jest, directed at the recent track record by the printed media (mostly the Express & Mail) using the likes of Nathan Rao & Piers Corbyn amongst other, to incorrectly predict the weather.