This summer, when the Japan Meteorological Agency panel pointed out "abnormal weather," the average temperature in Japan was 1.76 degrees higher than normal. The sea surface temperature near Japan was also at a record high, and the data confirmed that it was the hottest summer on both the ground and the sea. The intense heat that occurred one after another in various places also affected nighttime, and on the 125th of last month, Itoigawa City in Niigata Prefecture recorded the highest minimum temperature in 3 locations nationwide.