Just how hot was it?

I knew it was hot today. I just didn't know how hot until I reached into the black bag at Oceans of Fun today, and discovered our plastic cup looked liked this:

We were there for 5 1/2  hours (I couldn't believe it--really lost track of time!). We brought a friend with us, and her cup started to do the same thing, but it wasn't quite as bad.  I KNOW the cup did not look like this before we left the house.

So much for frying eggs...we learned it was hot enough to melt plastic!