World Extremes
| No. | Location | Station ID | Amount |
| 1 | Cavendish (Aut) (United Kingdom) | 03772&wigos=0-826-0-109 | 24.6°C |
| 2 | London / Heathrow Airport (United Kingdom) | 03391&wigos=0-826-0-68 | 24.6°C |
| 3 | Cambridge, Niab (Aut) (United Kingdom) | 03265&wigos=0-826-0-244 | 24.4°C |
| 4 | Coningsby Royal Air Force Base (United Kingdom) | 03385&wigos=0-826-0-79 | 24.2°C |
| 5 | Topcliffe (United Kingdom) | 03379&wigos=0-826-0-73 | 24.2°C |
| 6 | Donna Nook No.2 (United Kingdom) | 03377&wigos=0-826-0-250 | 24.1°C |
| 7 | Cranwell (United Kingdom) | 03529&wigos=0-826-0-189 | 24°C |
| 8 | Kew Gardens (Aut) (United Kingdom) | 03931&wigos=0-826-0-242 | 23.9°C |
| 9 | Waddington (United Kingdom) | 03797&wigos=0-826-0-160 | 23.9°C |
| 10 | Brooms Barn (Aut) (United Kingdom) | 03482&wigos=0-826-0-162 | 23.8°C |
| 11 | Pershore (United Kingdom) | 03672&wigos=0-826-0-180 | 23.8°C |
| 12 | Tibenham Airfield (United Kingdom) | 03257&wigos=0-826-0-140 | 23.8°C |
| 13 | Manston (United Kingdom) | 03693&wigos=0-826-0-217 | 23.7°C |
| 14 | Marham (United Kingdom) | 03488&wigos=0-826-0-260 | 23.7°C |
| 15 | Northolt (United Kingdom) | 23.7°C | |
| Script courtesy of Michael Holden of Relay Weather. Data courtesy of Ogimet | |||
| No. | Location | Station ID | Amount |
| 1 | Cairngorm (United Kingdom) | 03065&wigos=0-826-0-46 | 5.6°C |
| 2 | Baltasound (United Kingdom) | 03002&wigos=0-826-0-23 | 6.9°C |
| 3 | Cairnwell (United Kingdom) | 03072&wigos=0-826-0-47 | 8.3°C |
| 4 | Shap (United Kingdom) | 03225&wigos=0-826-0-213 | 8.3°C |
| 5 | Lerwick (United Kingdom) | 03005&wigos=0-826-0-142 | 8.4°C |
| 6 | Bealach Na Ba No2 (United Kingdom) | 03039&wigos=0-826-0-27 | 9°C |
| 7 | Dalwhinnie No 2 (Aut) (United Kingdom) | 03227&wigos=0-826-0-104 | 9°C |
| 8 | Great Dun Fell (United Kingdom) | 03212&wigos=0-826-0-126 | 9°C |
| 9 | Keswick (United Kingdom) | 03503&wigos=0-826-0-245 | 9.5°C |
| 10 | Bridgefoot (Aut) (United Kingdom) | 03063&wigos=0-826-0-17 | 9.8°C |
| 11 | Trawscoed (United Kingdom) | 03008&wigos=0-826-0-93 | 10°C |
| 12 | Braemar No 2 (Aut) (United Kingdom) | 03507&wigos=0-826-0-212 | 10.3°C |
| 13 | Llysdinam (Aut) (United Kingdom) | 03410&wigos=0-826-0-135 | 10.3°C |
| 14 | Aviemore (United Kingdom) | 10.4°C | |
| 15 | Fair Isle (United Kingdom) | 10.5°C | |
| Script courtesy of Michael Holden of Relay Weather. Data courtesy of Ogimet | |||
| No. | Location | Station ID | Amount |
| 1 | Saint Helier (United Kingdom) | 03896&wigos=0-20000-0-03896 | 19.9 mm |
| 2 | Shoeburyness (United Kingdom) | 03693&wigos=0-826-0-217 | 19.1 mm |
| 3 | London / Heathrow Airport (United Kingdom) | 03772&wigos=0-826-0-109 | 18.9 mm |
| 4 | Kew Gardens (Aut) (United Kingdom) | 03872&wigos=0-826-0-240 | 18.8 mm |
| 5 | Cavendish (Aut) (United Kingdom) | 03866&wigos=0-826-0-265 | 18.8 mm |
| 6 | Thorney Island (United Kingdom) | 03672&wigos=0-826-0-180 | 18.8 mm |
| 7 | Cambridge, Niab (Aut) (United Kingdom) | 03488&wigos=0-826-0-260 | 18.8 mm |
| 8 | Saint Catherine'S Point (United Kingdom) | 03797&wigos=0-826-0-160 | 18.6 mm |
| 9 | Cromer (Aut) (United Kingdom) | 03876&wigos=0-826-0-218 | 18.5 mm |
| 10 | Northolt (United Kingdom) | 03590&wigos=0-826-0-254 | 18.5 mm |
| 11 | Weybourne (United Kingdom) | 03931&wigos=0-826-0-242 | 18.4 mm |
| 12 | Manston (United Kingdom) | 03391&wigos=0-826-0-68 | 18.4 mm |
| 13 | Shoreham Airport (United Kingdom) | 03559&wigos=0-826-0-281 | 18.4 mm |
| 14 | Charsfield (Aut) (United Kingdom) | 03469&wigos=0-826-0-115 | 18.3 mm |
| 15 | Wattisham (United Kingdom) | 18.3 mm | |
| Script courtesy of Michael Holden of Relay Weather. Data courtesy of Ogimet | |||
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| Warning: Many data filters have been introduced to the above data. Use caution with this data as some extreme values can be erroneous due to unsuspected errors in synop reports. All data should be verified. Note that the values we listed here are from international released synop reports, and for certain there will be other extreme values not in this list |
