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Cofio gwanwyn cynnar 1998
21/2/1998 Bodorgan, Môn: Diwrnod sych a braf, wedi gwlawio yn y nos. Y daffodils yn llawn blodau - hynod o dyner adeg yma o'r flwyddyn. (Dyddiadur Gareth Rowlands)
16/2/1998 Waunfawr: tywydd cynnes iawn yn Llundain max 14.5C - tua diwedd y tywydd cynnes, llwch y Sahara, RJ yn dweud bod y ffenestri i gyd yn fudr, son ar y radio, .. Duncan Brown
Meddai’r Guardian: The cause of this unexpected warm spell was high pressure over the continent, which brought warm air up from the Canary Islands and north-west Africa. This tropical maritime airstream meant temperatures reached the mid-teens across much of southern Britain, and even at night stayed much higher than normal. On 13 February, at Greenwich in south-east London, the temperature reached 19.7C (67.5F), breaking the UK February record.
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