Remarkable UK weather - December was the warmest on record - some 4 degrees above average, and 100-year rainfall records smashed in Scotland, Wales and the north-west of England, costs estimated at £5 billion, more than £3 billion above a 'normal' year.
More heavy storms and peturbations in the jetstream the proximate cause ...
More heavy storms and peturbations in the jetstream the proximate cause ...
![](http://ichef.bbci.co.uk/news/624/cpsprodpb/6A89/production/_87437272_uk_rainfall_anomaly_dec_2015_624map.png)
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