World Extremes
| No. | Location | Station ID | Amount |
| 1 | Saint Helier (United Kingdom) | 03896 | 12.4°C |
| 2 | Plymouth (United Kingdom) | 03827 | 11.3°C |
| 3 | Scilly, Saint Mary'S (United Kingdom) | 03803 | 11.2°C |
| 4 | Jersey Airport (United Kingdom) | 03895 | 11.1°C |
| 5 | Camborne (United Kingdom) | 03808 | 11°C |
| 6 | Culdrose (United Kingdom) | 03809 | 11°C |
| 7 | Guernsey Airport (United Kingdom) | 03894 | 10.7°C |
| 8 | Cardinham (United Kingdom) | 03823 | 9.8°C |
| 9 | Isle Of Portland (United Kingdom) | 03857 | 9.2°C |
| 10 | Exeter Airport No2 (United Kingdom) | 03844 | 8.9°C |
| 11 | Saint Catherine'S Point (United Kingdom) | 03866 | 8.9°C |
| 12 | Pembrey Sands (United Kingdom) | 03605 | 8.6°C |
| 13 | Chivenor (United Kingdom) | 03707 | 8.4°C |
| 14 | Shoreham Airport (United Kingdom) | 03876 | 8.1°C |
| 15 | Milford Haven (United Kingdom) | 03604 | 8°C |
| Script courtesy of Michael Holden of Relay Weather. Data courtesy of Ogimet | |||
| No. | Location | Station ID | Amount |
| 1 | Cairngorm (United Kingdom) | 03065 | -6.4°C |
| 2 | Aonach Mor (United Kingdom) | 03041 | -5.5°C |
| 3 | Cairnwell (United Kingdom) | 03072 | -4.4°C |
| 4 | Great Dun Fell (United Kingdom) | 03227 | -3.7°C |
| 5 | Bealach Na Ba No2 (United Kingdom) | 03039 | -3.1°C |
| 6 | Lerwick (United Kingdom) | 03005 | -1°C |
| 7 | Baltasound (United Kingdom) | 03002 | -0.7°C |
| 8 | Lake Vyrnwy (United Kingdom) | 03410 | -0.7°C |
| 9 | Emley Moor No 2 (United Kingdom) | 03346 | -0.5°C |
| 10 | Leek Thorncliffe (United Kingdom) | 03330 | -0.5°C |
| 11 | Bingley (United Kingdom) | 03344 | -0.2°C |
| 12 | Spadeadam (United Kingdom) | 03224 | 0°C |
| 13 | Coleshill (United Kingdom) | 03535 | 0.1°C |
| 14 | Bedford (United Kingdom) | 03560 | 0.2°C |
| 15 | Fair Isle (United Kingdom) | 03008 | 0.2°C |
| Script courtesy of Michael Holden of Relay Weather. Data courtesy of Ogimet | |||
| No. | Location | Station ID | Amount |
| 1 | Scilly, Saint Mary'S (United Kingdom) | 03803 | 10.3 mm |
| 2 | Saint Helier (United Kingdom) | 03896 | 9.8 mm |
| 3 | Culdrose (United Kingdom) | 03809 | 9.5 mm |
| 4 | Plymouth (United Kingdom) | 03827 | 9.5 mm |
| 5 | Guernsey Airport (United Kingdom) | 03894 | 9.1 mm |
| 6 | Camborne (United Kingdom) | 03808 | 9.1 mm |
| 7 | Jersey Airport (United Kingdom) | 03895 | 8.8 mm |
| 8 | Cardinham (United Kingdom) | 03823 | 8.2 mm |
| 9 | Isle Of Portland (United Kingdom) | 03857 | 7.7 mm |
| 10 | Exeter Airport No2 (United Kingdom) | 03844 | 7.7 mm |
| 11 | Chivenor (United Kingdom) | 03707 | 7.4 mm |
| 12 | Pembrey Sands (United Kingdom) | 03605 | 7.1 mm |
| 13 | Saint Catherine'S Point (United Kingdom) | 03866 | 6.7 mm |
| 14 | Milford Haven (United Kingdom) | 03604 | 6.6 mm |
| 15 | Yeovilton (United Kingdom) | 03853 | 6.2 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 |
