Put a kettle on a stove. Turn the heat on for 30 minutes.
Now, if you put the same kettle on the stove, and heat for 2 hours, the amount of heat the kettle is exposed to is four times as long.
The number of BTU's would vary, depending on factors.
But if the length of the day is 16 hours instead of 13 hours, there are still 3 more hours that the air can be heated by the sun.
Yes. So why is a longer day more dangerous, as this article claims, when it is preceded by longer lasting cooler days? Pay attention. All you saw is that I was questioning something in the article. You have no idea what I was questioning. Read through something before you take a swipe at it.