AFP: Japan, which has just endured its hottest summer on record, said Friday it had also last month recorded the warmest sea temperatures since it started gathering comparable data 25 years ago. Ocean surface temperatures in much of the archipelago’s Pacific Ocean and Sea of Japan waters reached more than 25 degrees centigrade (77 degrees Fahrenheit) in August, said the Japan Meteorological Agency. The average sea temperature was the hottest recorded since 1985 when the agency …