The change in weather type was seen after 3am yesterday morning when the minimum of -3.0C was reached. After that time, the thermometer slowly rose for the next 29 hours to reach 8.2C this morning at 08.00. This was brought about by a slight change in wind direction to south west bringing cloudy, moist air.
Precipitation yesterday amounted to 0.4.mm, bringing the total for December to 52.3mm, some 58% of the long-term average. With little heavy rain in the forecast, the rainfall for 2017 so far is a considerable 160mm below the 33-year average.
This morning is notable for the presence of hill fog limiting visibility to 400m. With the centre of the high pressure close by, there is little pressure gradient (isobars wide apart) resulting in the strongest gust yesterday of only 11mph and still conditions this morning.