What is a heatwave? The media are always keen to say ‘a heatwave is on the way’ when it is more likely to just be a short spell of fine weather with temperatures a few degrees above average. Here’s a list of heatwaves that have affected the area since 1850.
There are 2.5 times as many hot days during summer in London as there were 100 years ago – that’s the result I have found while looking at data for Greenwich going back to 1851.
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