Originally posted by Kevin Bradshaw (KevBrads1)

The summer of 1872 was a wet and exceptionally thundery summer with frequent and at times severe thunderstorms. The CET for the summer was 15.5C

Some reports of the thunderstorms that occurred during that summer.

June
7th: Thunderstorms in the counties of Bedford. Oxford, York, Monmouth, Ross, Tipperary and Galway
8th: Thunder in Devonshire, North Yorkshire, Nairn and Inverness
9th: Thunder heard in Devonshire, Ayrshire and Tipperary
10th: Thunder in Sussex, north Lancashire and Renfrew

18th: Exceptionally thundery with widespread severe thunderstorms. 32.8C at Maidstone and Leicester
Pinner Hill: The most severe thunderstorm we have had for 30 years
Ashburton: Fearful thunderstorm at 8pm
Clawton: Terrific thunderstorm during evening and night
Dartmoor: Severe thunderstorm from 7.30pm to 4.30am
Mansfield: A very remarkable thunderstorm; rain in torrents and hailstones of immense size, peal after peal of the loudest thunder.
Chesterfield: Severe thunderstorm at night
Macclesfield: Thunderstorm lasting 12 hours.
Ripon: A succession of thunderstorms from 11am to 8pm
Swansea: Violent thunderstorm
Milford: Lightning almost continuous
24th
Thunderstorms in north Middlesex, Kent, Essex, Norfolk, Warwickshire, Salop, Yorks, Radnor and Ross
26th: Thunderstorm in Norfolk, thunder in Bedford and Nottingham
Culford: 7 days of thunder
Orleton: 8 days of thunder
Boston: 6 days of thunder

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July
4th: Thunderstorms in various parts
6th: Thunderstorms almost universal throughout England and Wales
7th: Particularly violent storms along the English/Welsh border. Tornado near Bodenham in Herefordshire
11th: Thunderstorms in Sussex, Middlesex, Bedford, Norfolk, Leicester, Nottingham, Chesterfield, Chester, Whitby
12th: Thunderstorms at Cambridge, East Anglia, north Lancashire and east Yorkshire
13th: Hailstorm at Dartford, floods in south Yorkshire
16th: Storm in Devon
19th: Storm at Ipswich
22nd: Storms in Middlesex, Kent, Hampshire, Sussex, Bedford, Devon, north Lancashire, Yorkshire, Nairn
23rd: Thunderstorms in eastern counties
24th: Severe storm at Ipswich
26th: Thunderstorms in several counties
27th: Storm in Tipperary and Cork
30th: Sharp thunderstorms in southern England

August
1st: Thunder in north Devon
2nd: Thunder in Pinner, Diss, Chichester, Tavistock
3rd: Thunder at Forest hill, slight storm at Milford
5th: Small storms throughout England and Scotland
6th: Thunder in Shropshire, Yorkshire and Lancashire
7th: Thunderstorms prevalent in most parts.
8th: Sharp thunderstorm in Midland counties
9th: Thunderstorm in Monmouthshire
10th: Thunder at Broughton-in-Furness (15th day of thunder since 7th of June), thunder in Nairn and Inverness
21st: Thunderstorm at Buckish, Ashburton, Llanfrechfa, Swansea
25th: Thunderstorms at Bideford and Beverley
30th: Sharp thunderstorm at Diss

33.9C at Maidstone on the 25th July