It’s a slam dunk that we’re feeling the hottest summer on record … unless we’re hit by August freezes. Hey, just such summer chills happened in 1816, proclaimed “The Year Without a Summer.”

For those who weren’t around at the time, 1815 saw a peak-blowing eruption of Mount Tambora in Indonesia. It was the most powerful volcanic eruption in recorded human history. The Mount Vesuvius eruption was about one third the size.

Prior to the explosion, Tambora was 14,100 feet in elevation. Within a matter of minutes, it was reduced to 9,354 feet, having had…