英国经历有记录以来最热夏季

Group 1 - The UK has experienced its hottest summer on record, with an average temperature of 16.1 degrees Celsius, surpassing the previous record of 15.76 degrees Celsius set in 2018 [1] - The occurrence of record summer temperatures has increased by 70 times due to rising greenhouse gas concentrations from human activities [2] - The analysis indicates that under current climate conditions, similar extreme summers could occur approximately every five years, compared to a natural climate scenario where such summers would only happen once every 340 years [2] Group 2 - The average summer temperature in 2025 is 0.34 degrees Celsius higher than the previous record in 2018, while the difference between the other four hottest summers in history is only a few tenths of a degree [2] - The summer of 2025 saw four heatwaves, with daily maximum temperatures frequently exceeding 30 degrees Celsius, leading to a national severe water shortage [2] - Despite the hot summer, the highest temperature recorded was 35.8 degrees Celsius, which is lower than the national record of 40.3 degrees Celsius set in 2022 [3]