... according to Japan's Meteorological Agency.
NOAA's calculation won't be released for another 2 weeks but they're more than likely to come to the same conclusion.
Read RobertScribbler's piece about last year's heat and extreme weather here.
Disclaimer. After nearly 40 years managing money for some of the largest life offices and investment managers in the world, I think I have something to offer. These days I'm retired, and I can't by law give you advice. While I do make mistakes, I try hard to do my analysis thoroughly, and to make sure my data are correct (old habits die hard!) Also, don't ask me why I called it "Volewica". It's too late, now.
BTW, clicking on most charts will produce the original-sized, i.e., bigger version.