A tropical night appeared throughout the country overnight, with temperatures not falling below 25 degrees. Cheongju had the highest night temperature at 28.2 degrees, and the night heat continued in Gangneung at 28.0 degrees, Pohang at 27.9 degrees, and Jeonju at 27.4 degrees. According to the Korea Meteorological Administration on the 14th, from 6 p.m. the previous day (13th) to 6 a.m. on the same day, Cheongju's lowest night temperature was 28.2 degrees. The mercury did not fall below 27 degrees in Gangneung at 28.0 degrees, Pohang at 27.9 degrees, Bukchangwon at 27.5 degrees, Jeonju at 27.4 degrees, Suwon, Boryeong and Yangsan at 27.2 degrees, Buyeo and Ulleungdo at 27.1 degrees, and Daegu at 27.0 degrees. The overnight temperature in Seoul also did not fall below 27.1 degrees. Incheon recorded 26.3 degrees, Icheon 26.7 degrees, Dongducheon 26.1 degrees, and Yangpyeong 25.7 degrees, showing tropical nights throughout the metropolitan area. By region, in the Gangwon region, Wonju recorded 26.9 degrees, Donghae 26.0 degrees, Chuncheon 25.5 degrees, and Sokcho 25.4 degrees. In the Chungcheong region, Hongseong and Daejeon were 26.9 degrees, Sejong 26.3 degrees, and Cheonan 25.8 degrees. In the Jeolla region, Namwon was 26 degrees.