Author: Eric Gilbert

Wednesday saw the thermometer reach a peak of 19.8C (2.7C above average), the warmest day this month, under the influence of the high pressure, new easing away, and gave us another sunny day (11.8 hours).

The blocking high meant any rain bands were kept way-out to the west although during the afternoon, thin cloud drifted across on the easterly breeze.

Another cool night was to follow as the thermometer fell away steadily to a minimum of 3.3C (3.8C below average) at 05.44 Thursday morning. Only two days this month have seen the minimum temperature above average.

Dawn on Thursday saw the sun shining, if a little hazy with a brisk, cool easterly breeze.

On Tuesday the almost continuous sunshine totalling 12.4 hours, raised the temperature to a maximum of 18.6C, which was 1.5C above average and the warmest day this month.

As the barometric pressure falls, 12 mb over the past two days, the pressure gradient increases hence the increase in the strength of the breeze with a modest gust of 18mph yesterday.

Tuesday saw the UV level rise to 6.9, which was on the border of the ‘very high’ category.

Although the minimum overnight was still below the average (-2.8C) it was less cold than the three previous nights with a low of 4.3C.

Update on Wednesday at 21.50: thermometer rose to a maximum of 19.8C at 15.41, which was 2.7C above average.

The easterly breeze, a little stronger on Monday, meant a slightly cooler day than on Sunday, with a maximum of 17.4C (+0.3C) at 15.57 even thought we enjoyed 12.3 hour of sunshine.

The loss of equivalent rainfall, as a result of evaporation from plant life and ground sources, was 4.3mm yesterday with the UV level again in the ‘high’ category.

The past night was not quite as cool as the previous night with a minimum of 3.5C, but still below average, (-3.6C) at 05.29. Tuesday morning saw the sun shining after dawn, if initially hazily, with the temperature recovering to 9.4C at 08.00.

Update on Tuesday at 18.25: thermometer rose to 18.6C at 15.50, making it the warmest day this month.

With 12.6 hours of sunshine the thermometer steadily rose to its highest this month with a maximum of 17.8C, which was the warmest day this month. However, the light air movement from the north east, meant that this was only 0.7C above the May average.

The UV level was at the top end of the ‘high’ category with evaporation losing the equivalent rainfall of 4.3mm into the atmosphere.

The clear skies overnight meant another cool night with the minimum of 3.1C recorded at 05.46 Monday morning, which was 4C below average.

The sun was shining through the misty conditions at dawn with the barometric pressure even higher at 08.00, with a reading of 1039.3mb, the highest since 2nd January, hence the dry, sunny and calm conditions.

Saturday saw the anticyclone centred over the UK as the pressure rose to its highest since 25th February with a current reading of 1035.0mb. As a result the wind was light and, with 9.3 hours of sunshine, the thermometer rose to its highest this month with a maximum of 16.1C. However, the breeze from the north west meant that this was still a relatively cool day being 1C below.

Not surprisingly, with clear skies overnight, the thermometer fell away steadily to a minimum of 3.2C at 05.51 Sunday morning, which was almost 3C below the May 35-year average.

Sunday morning saw the sun shining brightly after dawn and the thermometer reading 8.9C at 08.00.