29-30 Jan 2021 – Altnaharra -9.7°C Scilly 9.6°C

A severe frost at Altnharra last night with a minimum of -9.7°C [18-06]. Conversely the minimum at St Marys on the Scillies never fell below 9.6°C making a range of 19.3°C across the UK from north to south. In fact at Altnharra the temperature has edged down to -9.8° since 06 UTC then as it often does in winter.

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