Pressure rises again producing more sunshine

Despite the stronger breeze from the northwest on Wednesday with a peak gust of 22mph, the increased sunshine (4.3 hours) meant a slightly warmer day than on Tuesday with a maximum of 13.3C, still 1.3C below average. The overnight minimum was also below average (-2.2C) with the thermometer dropping to 4.9C just before dawn on Thursday.

Rain drops were observed just before 1700 on Wednesday but not measurable however overnight a shower amounted to 1.0mm bringing the monthly total 125.1mm.

Thursday saw the sun rise in a mainly clear sky as the barometric pressure has risen to 1024.8mb due to an intense high pressure system centred in the North Sea just off the Scottish coast. A temperature of 5.0C at 08.00 made it the coldest start to the day at this time since 28th September that followed a ground frost.

Even cooler on Tuesday

With the wind veering into the north on Tuesday it was no wonder the temperature by day was depressed even further with a maximum of just 11.2C being 3.4C below average. However, it was a dry day with 2.2 hours of sunshine.

Overnight the thermometer fell to a minimum of 7.4C almost exactly average for October.

Wednesday arrived with sunshine as soon as the sun appeared over the horizon. The barometric pressure has been rising again with a current reading of 1019.5mb.

Another sunless day on Monday

Monday was the fourth day in October when the sunshine recorder was not triggered as cloud in the morning steadily built up with rain arriving at 13.15. Another 3.1mm of rainfall brought the monthly total to 124.1mm, which is 38.5mm above the 36-year average.

With rain and no sun it was not surprising to see the thermometer struggle to reach a peak of just 12.1C being 2.5C below average. Likewise the overnight minimum of 4.4C was 2.6C below average.

Tuesday arrived with a mainly cloudy sky, the odd glimpse of brightness was observed around 08.00. It was a very still morning with the anemometers barely moving at 08.00. The barometric pressure has been falling for the past thirty-six hours with a current reading at 08.00 f 1010.3mb, so we are now in a more changeable weather pattern. The centre of the low has been migrating from the Midlands to northern France as a result the wind has been veering from the south west to the west and later this morning expected to return to the northwest.

Polar Maritime Air was cool!

The air from near the Arctic on Sunday, referred to as Polar Maritime Air having travelled over a large sea area, was very cool. The cool air and limited sunshine, just 3.8 hours, limited the temperature rise to a maximum of 12.8C, which was almost 2C below average. However, it was another dry day in this changeable weather pattern.

A night with minimum cloud meant a cool night with the thermometer dropping to 5.7C being 1.4C below average.

The high pressure to the west has been losing its influence over the past twenty-four hours as thin cloud ahead of a warm front was evident at dawn on Monday blocking out any chance of sunshine. The wind has backed from the northwest on Sunday to southwest today.

A dry day on Saturday!

Saturday was memorable as it was the first dry day since 28th September due to a transient ridge of high pressure easing in from the west. However, although there was a slight increase in sunshine to 4.3 hours, the brisk wind, initially from the west and then veering a little into the west-northwest later in the day, meant another cool day. The thermometer struggled to reach 13.4C, which was 1.2C below average and almost exactly the peak reached on Friday.

The overnight minimum of 8.1C at 07.06 on Sunday was 1C above average.

Dawn on Sunday saw the sun hidden behind a bank of cloud on the eastern horizon. However, just before 08.00 it began to show itself and by 08.05 was shining strongly giving a glorious start to the day.

The barometric pressure on Sunday is currently at its highest for almost a month with a reading at 08.00 of 1025.4mb. The wind has veered a little more and although lighter than on Saturday is now coming from the north west. This wind direction is due to a depression to the east of the UK with air circulating anticlockwise and a significant high pressure to the west, with a clockwise circulation, bringing down the Arctic air over the UK.