World Extremes
| No. | Location | Station ID | Amount |
| 1 | London, St James Park (United Kingdom) | 03770 | 26.9°C |
| 2 | London / Heathrow Airport (United Kingdom) | 03772 | 26.6°C |
| 3 | Northolt (United Kingdom) | 03672 | 25.7°C |
| 4 | Farnborough (United Kingdom) | 03768 | 25.5°C |
| 5 | Charlwood (United Kingdom) | 03769 | 25.4°C |
| 6 | Andrewsfield (United Kingdom) | 03684 | 25.3°C |
| 7 | Odiham (United Kingdom) | 03761 | 25°C |
| 8 | Shoeburyness (United Kingdom) | 03693 | 25°C |
| 9 | Bournemouth Airport (United Kingdom) | 03862 | 24.5°C |
| 10 | Larkhill (United Kingdom) | 03743 | 24.4°C |
| 11 | Benson (United Kingdom) | 03658 | 24.2°C |
| 12 | Boscombe Down (United Kingdom) | 03746 | 24.2°C |
| 13 | Rothamsted (United Kingdom) | 03680 | 24.2°C |
| 14 | Wattisham (United Kingdom) | 03590 | 24.2°C |
| 15 | Herstmonceux (United Kingdom) | 03882 | 24.1°C |
| Script courtesy of Michael Holden of Relay Weather. Data courtesy of Ogimet | |||
| No. | Location | Station ID | Amount |
| 1 | Cairngorm (United Kingdom) | 03065 | 0°C |
| 2 | Aboyne (United Kingdom) | 03080 | 0.3°C |
| 3 | Eskdalemuir (United Kingdom) | 03162 | 0.5°C |
| 4 | Redesdale (United Kingdom) | 03230 | 0.7°C |
| 5 | Aonach Mor (United Kingdom) | 03041 | 1.2°C |
| 6 | Shap (United Kingdom) | 03225 | 2.2°C |
| 7 | Tulloch Bridge (United Kingdom) | 03047 | 2.2°C |
| 8 | Cairnwell (United Kingdom) | 03072 | 2.3°C |
| 9 | Spadeadam (United Kingdom) | 03224 | 3.2°C |
| 10 | Warcop Range (United Kingdom) | 03226 | 3.5°C |
| 11 | Bealach Na Ba No2 (United Kingdom) | 03039 | 3.8°C |
| 12 | Strathallan (United Kingdom) | 03144 | 3.8°C |
| 13 | Islay: Port Ellen (United Kingdom) | 03105 | 3.9°C |
| 14 | Great Dun Fell (United Kingdom) | 03227 | 4°C |
| 15 | Leuchars (United Kingdom) | 03171 | 4.5°C |
| Script courtesy of Michael Holden of Relay Weather. Data courtesy of Ogimet | |||
| No. | Location | Station ID | Amount |
| 1 | Nottingham Weather Centre (United Kingdom) | 03354 | 14 mm |
| 2 | Capel Curig (United Kingdom) | 03305 | 13 mm |
| 3 | Mona (United Kingdom) | 03301 | 13 mm |
| 4 | Scampton (United Kingdom) | 03373 | 13 mm |
| 5 | Rhyl (United Kingdom) | 03313 | 12 mm |
| 6 | Waddington (United Kingdom) | 03377 | 12 mm |
| 7 | Valley (United Kingdom) | 03302 | 10 mm |
| 8 | Cranwell (United Kingdom) | 03379 | 9 mm |
| 9 | Leek Thorncliffe (United Kingdom) | 03330 | 9 mm |
| 10 | Hawarden (United Kingdom) | 03321 | 8.2 mm |
| 11 | Crosby (United Kingdom) | 03316 | 8 mm |
| 12 | Aberdaron (United Kingdom) | 03405 | 7 mm |
| 13 | Coningsby Royal Air Force Base (United Kingdom) | 03391 | 7 mm |
| 14 | Rostherne No 2 (United Kingdom) | 03351 | 7 mm |
| 15 | Trawscoed (United Kingdom) | 03503 | 7 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 |