The recent headlines are all based on NCEP, a model which isn't exactly super reliable.

https://twitter.com/RyanMaue/status/1676391692461547522

In fact, if you read past the headlines in the articles, they also include the same caveat:

https://www.washingtonpost.com/climate-environment/2023/07/0...

https://www.nytimes.com/2023/07/06/climate/climate-change-re...

The NYT article buries the fact by making it seem like they were only presenting data that far back, but it is literally in the first sentence of the WP article... directly contradicting the very same article's headline.

(also, just wanted to let you know this comes off as a bit unnecessarily rude -- you might want to phrase it more gently / give some reasons why you believe so next time)

Unfortunately their statement is too vague to be wrong, obviously there are numerous different ways to define global temperature, and different ways to measure it at the time, and different ways to infer it after the fact. amongst all that, probably one of them does only go back to the 70's. Does it make incomparable to any of the methods that go back centuries or millennia? Probably not.