Another standout during this remarkable year, there was an exceptional heatwave for October during 1921. The heatwave began around the 3rd and lasted to about the 11th as a southerly flow flooded the UK. Biarritz recorded a maximum of 33.9C on the 4th. Maxima got into the 20Cs, with the peak of the heatwave on the 5th and 6th. The air temperature at 5000ft was 15.6C
Here are the highest maxima that were recorded on these dates
4th: 27.2C
5th: 28.9C
6th: 28.9C
7th: 26.7C
8th: 25.6C
9th: 27.8C
10th: 25.6C
It was somewhat cooler during the second half of October 1921 although the 18th and 19th were pretty warm days. It was until 1969, the warmest October on record and it was a fairly dry month.
The CET mean for the period 4th-11th October 1921 was 17.4 and the CET maximum mean from 1st-11th October was 20.3C
In Beauvais, a third crop of hay was cut, fig trees in Geneva yielded a second crop
CET trackometer
1. 12.2
2. 12.7
3. 14.0
4. 14.8
5. 15.3
6. 16.0
7. 16.1
8. 16.2
9. 16.3
10. 16.5
11. 16.5
12. 16.3
13. 16.0
14. 15.8
15. 15.4
16. 15.1
17. 14.9
18. 14.9
19. 15.0
20. 14.7
21. 14.5
22. 14.3
23. 14.0
24. 13.6
25. 13.3
26. 13.2
27. 13.2
28. 13.0
29. 13.0
30. 12.9
31. 12.8
CET maximum trackometer
1. 19.2
2. 19.4
3. 19.0
4. 19.5
5. 20.3
6. 21.0
7. 20.9
8. 20.9
9. 20.9
10. 21.2
11. 21.2
12. 20.7
13. 20.6
14. 20.1
15. 19.9
16. 19.7
17. 19.6
18. 19.8
19. 19.7
20. 19.3
21. 19.0
22. 18.8
23. 18.4
24. 18.0
25. 17.8
26. 17.6
27. 17.5
28. 17.5
29. 17.3
30. 17.2
31. 17.1
From the Guardian of October 1921
5th https://i.imgur.com/3gizT3V.jpg https://i.imgur.com/R9uQVUB.jpg
6th https://i.imgur.com/aQJ9l4T.jpg https://i.imgur.com/wqW0R8o.jpg https://i.imgur.com/zEagd6v.jpg
7th https://i.imgur.com/k1BFN0R.jpg https://i.imgur.com/P9xDrKT.jpg
8th https://i.imgur.com/50Be0Sz.jpg
9th https://i.imgur.com/I0Cewa6.jpg https://i.imgur.com/Yq3gIjs.jpg
10th https://i.imgur.com/xdBGGBb.jpg https://i.imgur.com/4MHE5g8.jpg
11th https://i.imgur.com/gwYdnGW.jpg
Edited by moderator
23 September 2021 13:24:35
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Reason: Not specified
MANCHESTER SUMMER INDEX for 2021: 238
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