[DiffEq]

ERA5 records go back to 1940. But it could have been supplemented with other records…and it appears that 1936 was hotter than 2023. So NPR could have at least mentioned that.

[defrost]

* July 2023 set a record for the highest monthly sea surface temperature anomaly (+1.78°F or +0.99°C) of any month in NOAA’s 174-year record.

1850 - 2023

https://www.ncei.noaa.gov/access/monitoring/climate-at-a-gla...

1936 was below the long term average, 1937 was above ... but still much cooler than 2023.