December 2015 was easily the mildest December on record. It was also the wettest calendar month on record.
Storms propelled by the jet stream were mainly to blame, it says, with contributions from the El Nino weather phenomenon and man-made climate change.
Numerous species of plants flowered months early, believing it to already be Spring.
Christmas Day was the wettest day of the year in Durham in 2015. Indeed it was the wettest Christmas Day on record here since records began.