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| Station | Time | Temp Out (°C) | Bar (hPa) | Rain Rate (mm/hr) | Day Rain (mm) | Wind Dir (°) | Avg Wind (m/s) | Out Hum (%) | Solar Rad. (W/m²) | UV Index () |
| Bedfont, W London | 03:21 | 13.4 | 1021 | 0.0 | 0.0 | 64 | 0 | 89 | 0 | 0.0 |
| Belmont, S London | 03:22 | 11.4 | 1021 | 0.0 | 0.0 | 105 | 0 | 93 | 0 | 0.0 |
| Bow, London | 03:22 | 13.3 | 1021 | 0.0 | 0.0 | 162 | 0 | 91 | 0 | 0.0 |
| Brent, London | 03:22 | 12.5 | 1021 | 0.0 | 0.0 | 74 | 0 | 90 | 0 | 0.0 |
| Brill, Buckinghamshire | 03:22 | 10.5 | 1021 | 0.0 | 0.0 | 73 | 0 | 95 | 0 | 0.0 |
| Caernarfon, Gwynedd | 03:22 | 16.3 | 1020 | 0.0 | 0.0 | 144 | 1 | 64 | 0 | 0.0 |
| Cambridge, Cambridgeshire | 03:21 | 10.2 | 1021 | 0.0 | 0.0 | 38 | 0 | 91 | 0 | |
| Camden, London | 03:22 | 12.9 | 1021 | 0.0 | 0.2 | 103 | 0 | 90 | 0 | 0.0 |
| Chesham, Buckinghamshire | 03:22 | 10.9 | 1021 | 0.0 | 0.0 | 101 | 0 | 94 | 0 | 0.0 |
| Chippenham, Wiltshire | 03:22 | 10.1 | 1020 | 0.0 | 0.0 | 98 | 0 | 91 | 0 | 0.0 |
| Christchurch, Dorset | 03:22 | 11.9 | 1021 | 0.0 | 0.0 | 78 | 0 | 92 | 0 | 0.0 |
| Clapton, E London | 03:22 | 12.6 | 1021 | 0.0 | 0.0 | 34 | 1 | 89 | 0 | 0.0 |
| Corby, Northamptonshire | 03:22 | 11.2 | 999 | 0.0 | 0.0 | 110 | 0 | 95 | 0 | 0.0 |
| Doncaster, South Yorkshire | 03:22 | 11.2 | 1022 | 0.0 | 0.0 | 105 | 0 | 94 | 0 | 0.0 |
| Enfield, London | 03:21 | 12.3 | 1022 | 0.0 | 0.0 | 5 | 0 | 92 | 0 | 0.0 |
| Greenwich, London | 03:22 | 11.7 | 1022 | 0.0 | 0.0 | 113 | 0 | 94 | 0 | 0.0 |
| Hammersmith, W London | 03:21 | 14.0 | 1021 | 0.0 | 0.0 | 88 | 0 | 86 | 0 | 0.0 |
| Harringay, N London | 03:22 | 12.9 | 1020 | 0.0 | 0.0 | 105 | 0 | 87 | 0 | 0.0 |
| Hayes, SE London | 03:22 | 9.7 | 1020 | 0.0 | 0.0 | 163 | 0 | 96 | 0 | 0.0 |
| Hillingdon, W London | 03:22 | 13.2 | 1017 | 0.0 | 0.0 | 78 | 0 | 49 | 0 | 0.0 |
| Hornchurch (N), E London | 03:22 | 12.2 | 1017 | 0.0 | 0.0 | 76 | 0 | 93 | 0 | 0.0 |
| Hornchurch (W), E London | 03:22 | 12.4 | 1021 | 0.0 | 0.0 | 45 | 0 | 92 | 0 | 0.0 |
| Hove, E Sussex | 03:22 | 13.7 | 1018 | 0.0 | 0.0 | 44 | 2 | 89 | 0 | 0.0 |
| Huddersfield, W Yorkshire | 03:22 | 11.0 | 1020 | 0.0 | 0.0 | 156 | 1 | 95 | 0 | 0.0 |
| Hull, E Yorkshire | 03:22 | 8.8 | 1023 | 0.0 | 0.0 | 91 | 1 | 97 | 0 | 0.0 |
| Islington, London | 03:21 | 12.8 | 1021 | 0.0 | 0.0 | 115 | 0 | 89 | 0 | 0.0 |
| Kensington, Central London | 03:22 | 13.7 | 1019 | 0.0 | 0.0 | 20 | 0 | 88 | 0 | 0.0 |
| Marshwood, Dorset | 03:22 | 11.5 | 1018 | 0.0 | 0.0 | 137 | 0 | 57 | 0 | 0.0 |
| Melton, E Yorkshire | 03:22 | 10.8 | 1022 | 0.0 | 0.0 | 345 | 0 | 95 | 0 | 0.0 |
| Newham, E London [TESTING] | 03:22 | 12.7 | 1021 | 0.0 | 0.0 | 88 | 0 | 90 | 0 | 0.0 |
| Orpington, SE London | 03:22 | 12.0 | 1020 | 0.0 | 0.0 | 280 | 0 | 83 | 0 | 0.0 |
| Penylan, Cardiff | 03:22 | 12.8 | 1021 | 0.0 | 0.0 | 259 | 0 | 82 | 0 | 0.0 |
| Ramsgate, Kent | 03:20 | 15.1 | 1021 | 0.0 | 0.0 | 103 | 2 | 85 | 0 | 0.0 |
| Richmond (S), Surrey | 03:22 | 12.9 | 1021 | 0.0 | 0.0 | 79 | 0 | 92 | 0 | 0.0 |
| Southall, W London | 03:22 | 13.7 | 1021 | 0.0 | 0.0 | 256 | 0 | 83 | 0 | 0.0 |
| Sowerby Bridge, W Yorkshire | 03:22 | 11.1 | 1022 | 0.0 | 0.0 | 151 | 0 | 92 | 0 | 0.0 |
| Streatham, London | 03:22 | 13.1 | 1021 | 0.0 | 0.0 | 87 | 0 | 93 | 0 | 0.0 |
| Sturminster Newton, Dorset | 03:22 | 10.9 | 1019 | 0.0 | 0.0 | 70 | 1 | 87 | 0 | 0.0 |
| Sutton, Surrey | 03:22 | 11.1 | 1021 | 0.0 | 0.0 | 77 | 0 | 94 | 0 | 0.0 |
| Thornton Heath, Surrey | 03:22 | 12.9 | 1021 | 0.0 | 0.0 | 14 | 0 | 90 | 0 | 0.0 |
| Tilehurst, Reading | 03:21 | 11.6 | 1015 | 0.0 | 0.0 | 71 | 1 | 94 | 0 | 0.0 |
| Twickenham, SW London | 03:22 | 13.7 | 1022 | 0.0 | 0.0 | 48 | 0 | 90 | 0 | 0.0 |
| Walthamstow, London | 03:22 | 11.8 | 1021 | 0.0 | 0.0 | 69 | 0 | 84 | 0 | 0.0 |
| Wandsworth (SW), London | 03:22 | 14.2 | 1021 | 0.0 | 0.0 | 76 | 0 | 90 | 0 | 0.0 |
| Welling, Kent | 03:21 | 12.7 | 1021 | 0.0 | 0.0 | 97 | 0 | 94 | 0 | 0.0 |
| Westminster, Central London | 03:22 | 13.6 | 1021 | 0.0 | 0.0 | 28 | 0 | 88 | 0 | 0.0 |
| Weymouth, Dorset | 03:21 | 13.1 | 1018 | 0.0 | 0.0 | 206 | 3 | 90 | 0 | 0.0 |
| Wokingham, Berkshire | 03:22 | 10.2 | 1021 | 0.0 | 0.0 | 130 | 0 | 91 | 0 | 0.0 |
| Wolverhampton, West Midlands [TESTING] | 03:22 | 11.8 | 1020 | 0.0 | 0.0 | 192 | 0 | 90 | 0 | 0.0 |
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