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by snthd 1436 days ago
https://digital.nmla.metoffice.gov.uk/digitalFile_1f3ce836-7...

>Monthly Weather Report 1911

Last page (140):

>In England 90° was exceeded on several days, the hottest being AUGUST 9th, 97° at Camden Square, London, Woking­ham and Hillington, 98° at Raunds, and 100° at Greenwich (in the Glaisher screen; the value recorded in the Stevenson screen was 97°), the highest ever recorded in this country.

AFAIK Stevenson screens are now the standard, and Glaisher stands tend to record higher maximums, so the 100 isn't directly comparable.