I like this one a lot.
The title grabbed my attention right away...
and when I was little, I thought the same thing. :)
When it thundered, he was so sad and angry, but when lightning struck, his temper was flaring. On cloudy days he was bored. He was happy on really sunny days, of course... :P

Haha, well, this was fantastic, and I look forward to reading more. Keep it up!