World Extremes
| No. | Location | Station ID | Amount |
| 1 | London / Heathrow Airport (United Kingdom) | 03772 | 22.8°C |
| 2 | Northolt (United Kingdom) | 03672 | 22.8°C |
| 3 | Gravesend-Broadness (United Kingdom) | 03784 | 22.7°C |
| 4 | London, St James Park (United Kingdom) | 03770 | 22.6°C |
| 5 | Benson (United Kingdom) | 03658 | 21.4°C |
| 6 | Coleshill (United Kingdom) | 03535 | 21.4°C |
| 7 | Pershore (United Kingdom) | 03529 | 21.4°C |
| 8 | Charlwood (United Kingdom) | 03769 | 21.3°C |
| 9 | Farnborough (United Kingdom) | 03768 | 21.3°C |
| 10 | Herstmonceux (United Kingdom) | 03882 | 21.1°C |
| 11 | Rothamsted (United Kingdom) | 03680 | 21.1°C |
| 12 | Brize Norton (United Kingdom) | 03649 | 21°C |
| 13 | Filton (United Kingdom) | 03628 | 20.9°C |
| 14 | Church Lawford (United Kingdom) | 03544 | 20.8°C |
| 15 | Odiham (United Kingdom) | 03761 | 20.8°C |
| Script courtesy of Michael Holden of Relay Weather. Data courtesy of Ogimet | |||
| No. | Location | Station ID | Amount |
| 1 | Cairngorm (United Kingdom) | 03065 | 5.1°C |
| 2 | Lough Fea (United Kingdom) | 03911 | 5.2°C |
| 3 | Aonach Mor (United Kingdom) | 03041 | 6.7°C |
| 4 | Islay: Port Ellen (United Kingdom) | 03105 | 6.7°C |
| 5 | Machrihanish (United Kingdom) | 03111 | 6.8°C |
| 6 | Thomastown (United Kingdom) | 03901 | 6.9°C |
| 7 | Cairnwell (United Kingdom) | 03072 | 7°C |
| 8 | Charlwood (United Kingdom) | 03769 | 7°C |
| 9 | Belfast / Aldergrove Airport (United Kingdom) | 03917 | 7.1°C |
| 10 | Ballypatrick Forest (United Kingdom) | 03916 | 7.3°C |
| 11 | Farnborough (United Kingdom) | 03768 | 7.6°C |
| 12 | Magilligan No 2 (United Kingdom) | 03907 | 7.8°C |
| 13 | Glenanne (United Kingdom) | 03923 | 7.9°C |
| 14 | Bealach Na Ba No2 (United Kingdom) | 03039 | 8.1°C |
| 15 | Portglenone (United Kingdom) | 03915 | 8.2°C |
| Script courtesy of Michael Holden of Relay Weather. Data courtesy of Ogimet | |||
| No. | Location | Station ID | Amount |
| 1 | Shawbury (United Kingdom) | 03414 | 21 mm |
| 2 | Dundrennan (United Kingdom) | 03153 | 16 mm |
| 3 | Guernsey Airport (United Kingdom) | 03894 | 16 mm |
| 4 | Aviemore (United Kingdom) | 03063 | 15 mm |
| 5 | Saint Bees Head (United Kingdom) | 03210 | 14 mm |
| 6 | Glasgow Bishopton (United Kingdom) | 03134 | 13.4 mm |
| 7 | Strathallan (United Kingdom) | 03144 | 13 mm |
| 8 | West Freugh (United Kingdom) | 03132 | 12 mm |
| 9 | Isle Of Man / Ronaldsway Airport (United Kingdom) | 03204 | 11.8 mm |
| 10 | Blackpool Airport (United Kingdom) | 03318 | 11.2 mm |
| 11 | Jersey Airport (United Kingdom) | 03895 | 11 mm |
| 12 | Prestwick RNAS (United Kingdom) | 03136 | 10.6 mm |
| 13 | Tulloch Bridge (United Kingdom) | 03047 | 9.8 mm |
| 14 | Walney Island (United Kingdom) | 03214 | 9 mm |
| 15 | Aberdaron (United Kingdom) | 03405 | 9 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 |