Data: NOAA CFS/CFSR via Climate Reanalyzer, University of Maine; Chart: Simran Parwani/Axios
The past three days have each broken or tied records as the Earth's hottest day since at least 1979 and likely far longer, according to National Oceanic and Atmospheric Administration data, accessible via a University of Maine website.
Why it matters: Daily temperature milestones are largely symbolic — but point to an alarming trend, scientists say.
