Wednesday, October 01, 2025

HadCET At a Record

Just a short note: the year-to-date HadCET average monthly temperature (Hadley Central England Temperature (data)), is at a record high through September, tied with 2022. 

There's also a tie for second third place, between 2023 and 2024.  

In other words, the four warmest HadCET year-to-date averages, through Septembers, have been the last four years.

The record is now 367 years long.

That's really quite remarkable.

PS: The 50-year linear trend of HadCET is 0.32°C/decade. Also, the 10-year moving average is at a record high.

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