John Dee's Climate Normal

John Dee's Climate Normal

Share this post

John Dee's Climate Normal
John Dee's Climate Normal
My Garden (part 1)

My Garden (part 1)

Assessing the new +40°C UK temperature records

John Dee's avatar
John Dee
Aug 02, 2022
∙ Paid

Share this post

John Dee's Climate Normal
John Dee's Climate Normal
My Garden (part 1)
Share

There’s a great deal to say about this but we shall start by considering the maximum temperature reached in my garden over the hottest two days on record in the UK so far.

Bizarrely, there are 17 thermometers in our household which makes me wonder if I’m a tad obsessive. In my defence there are 7 in use in the kitchen, these being a mix of cooking probes, sugar thermometers and fridge/freezer thermometers. Then there are two in the first aid cabinet and one in each living area. I could argue that the most important thermometer is the one in my humidor but when it comes to climate change it is the north wall digital min-max jobby that counts. This has been calibrated against other thermometers and against readings taken at the weather station a few miles away and readings have been found to be trustworthy.

The Met Office forecast issued at 0600 UTC for Monday 18 July looked like this…

…and so I set about noting the temperature recorded by my North wall probe on the hour, every hour. Herew…

This post is for paid subscribers

Already a paid subscriber? Sign in
© 2025 John Dee
Privacy ∙ Terms ∙ Collection notice
Start writingGet the app
Substack is the home for great culture

Share