They made that prediction. With exchange rate of the dollar, market price of oil, consumer spending....... and other factors.
And it came true!
Winter blend has different additives that vaporize at lower temperatures. ASTM D4814 stoichiometric ratio 14.7:1
They are not as sure of the weather.
Of all the "green house gases" water rules.
As the saying goes
It's not the heat, it's the humidity.
Everyone talks about the weather,