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The U.S. Just Had Its Hottest Summer on Record, NOAA Says
The National Oceanic and Atmospheric Administration reported Wednesday that the United States experienced its warmest summer in 132 years of recordkeeping, with average temperatures reaching 74.4 degrees Fahrenheit.
This summer's average temperature surpassed previous records set in 1936 and 2021 by 0.4 degrees Fahrenheit, continuing a trend where four of the hottest summers occurred within the past five years.
Nationally, 1,541 record monthly highs were set or tied, while average August temperatures reached 75.6 degrees Fahrenheit—3.5 degrees above the 20th century average.
Powerful heat domes affected nearly every state besides Alaska and Hawaii, driving record-breaking temperatures across the Southwest; Arizona, New Mexico, Utah, and Colorado each set summer records.
Human-Caused climate change alongside a strengthening El Niño pattern is intensifying heat waves and increasing global temperatures, with U.S. summer months warming about 0.46 degrees Fahrenheit per decade since 1970.
Most of the United States this year experienced temperatures above average or well above average by August, while near-normal conditions were only observed in areas of the northern and Middle plains.
The meteorological summer, defined as the period from June to August, reached an average temperature of 74.4 °F in the 48 contiguous states and exceeded by 0.4 °F the previous records of 1936 and 2021, according to the NOAA climate report