It was raining, people were crabby.
And they wouldn't stop talking about it.
If the reader desires more, here is the journal Nature, October 24, 2022:
Dual ancestries and ecologies of the Late Glacial Palaeolithic in Britain
Related:
Imagine That: Earliest Surviving Secular Song Is An English Guy Talking About The Weather
I grew up being told Sumer Is Icumen In was the earliest surviving but this one is a decade or two older, as the post points out.
Adios cuckoo, hello English guy griping about the cold and wind....