Thanks to the northeasterly ai stream, a very cool direction the thermometer struggled to reach 8.4C on Saturday, although this was just above (+0.4C) the average maximum for December.
The past four days have seen maxima slowly fall away with 12.4C, 10.6C, 9.2C and 8.4C on Saturday.
The minima over past days have also slipped downwards with a minimum of 3.8C at 08.00 on Sunday, but this was still 1.5C above the 37-year average.
Sunday after dawn revealed that fog had formed in the early hours limiting visibility to 200m at 08.00. The breeze, very light and often dropping out is still from the north east.