World Extremes
| No. | Location | Station ID | Amount |
| 1 | London / Heathrow Airport (United Kingdom) | 03772 | 14.7°C |
| 2 | London, St James Park (United Kingdom) | 03770 | 14.3°C |
| 3 | Northolt (United Kingdom) | 03672 | 14.2°C |
| 4 | Saint Helier (United Kingdom) | 03896 | 13.7°C |
| 5 | Jersey Airport (United Kingdom) | 03895 | 13.4°C |
| 6 | Camborne (United Kingdom) | 03808 | 13°C |
| 7 | Almondsbury (United Kingdom) | 03930 | 12.9°C |
| 8 | Guernsey Airport (United Kingdom) | 03894 | 12.8°C |
| 9 | Larkhill (United Kingdom) | 03743 | 12.7°C |
| 10 | Castlederg (United Kingdom) | 03904 | 12.5°C |
| 11 | Andrewsfield (United Kingdom) | 03684 | 12.4°C |
| 12 | Culdrose (United Kingdom) | 03809 | 12.4°C |
| 13 | Odiham (United Kingdom) | 03761 | 12.3°C |
| 14 | Benson (United Kingdom) | 03658 | 12.2°C |
| 15 | Herstmonceux (United Kingdom) | 03882 | 12.2°C |
| Script courtesy of Michael Holden of Relay Weather. Data courtesy of Ogimet | |||
| No. | Location | Station ID | Amount |
| 1 | Cairngorm (United Kingdom) | 03065 | -5.6°C |
| 2 | Aonach Mor (United Kingdom) | 03041 | -4.9°C |
| 3 | Cairnwell (United Kingdom) | 03072 | -4.2°C |
| 4 | Redesdale (United Kingdom) | 03230 | -4.1°C |
| 5 | Eskdalemuir (United Kingdom) | 03162 | -4°C |
| 6 | Tulloch Bridge (United Kingdom) | 03047 | -3.8°C |
| 7 | Shap (United Kingdom) | 03225 | -3°C |
| 8 | Altnaharra (United Kingdom) | 03044 | -2.5°C |
| 9 | Castlederg (United Kingdom) | 03904 | -2.2°C |
| 10 | Charterhall (United Kingdom) | 03158 | -2°C |
| 11 | Warcop Range (United Kingdom) | 03226 | -1.9°C |
| 12 | Albemarle (United Kingdom) | 03238 | -1.7°C |
| 13 | Drumalbin (United Kingdom) | 03155 | -1.7°C |
| 14 | Spadeadam (United Kingdom) | 03224 | -1.7°C |
| 15 | Ballypatrick Forest (United Kingdom) | 03916 | -1.5°C |
| Script courtesy of Michael Holden of Relay Weather. Data courtesy of Ogimet | |||
| No. | Location | Station ID | Amount |
| 1 | Saint Helier (United Kingdom) | 03896 | 10 mm |
| 2 | London, St James Park (United Kingdom) | 03770 | 9.7 mm |
| 3 | Jersey Airport (United Kingdom) | 03895 | 9.5 mm |
| 4 | Northolt (United Kingdom) | 03672 | 9.4 mm |
| 5 | London / Heathrow Airport (United Kingdom) | 03772 | 9.3 mm |
| 6 | Scilly, Saint Mary'S (United Kingdom) | 03803 | 9.3 mm |
| 7 | Mumbles (United Kingdom) | 03609 | 9 mm |
| 8 | Chivenor (United Kingdom) | 03707 | 9 mm |
| 9 | Guernsey Airport (United Kingdom) | 03894 | 8.9 mm |
| 10 | Camborne (United Kingdom) | 03808 | 8.7 mm |
| 11 | Yeovilton (United Kingdom) | 03853 | 8.7 mm |
| 12 | Isle Of Portland (United Kingdom) | 03857 | 8.6 mm |
| 13 | St. Athan (United Kingdom) | 03716 | 8.6 mm |
| 14 | Shoreham Airport (United Kingdom) | 03876 | 8.6 mm |
| 15 | Plymouth (United Kingdom) | 03827 | 8.6 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 |
