Windrush Weather

Author: Eric Gilbert

  • Temperatures still above average

    Sunday was another pleasant day, after a cool and cloudy start, with 6.2 hours of sunshine that lifted the temperature to a peak 20.6C being 1.9C above average. Advancing cloud from the next weather front meant a milder night with a minimum of 12.9C, which was 3.8C above average.

    Monday dawned with an overcast sky and calm conditions. The air mass coming from an east-southeast direction.

  • Warm and dry on Saturday then foggy morning

    The pleasant sunshine of 4.7 hours on Saturday, principally in the morning pushed the temperature to a peak of 21.7C, exactly as on Friday and 3C anew average.

    A very chilly night followed under clearing skies that saw the thermometer drop to 8.1C at 07.40. This was the coolest night since 27th August and 1C below average.

    The drop in temperature allowed radiation fog to form in the early hours that at dawn was variable, mainly in the River Og valley, later River Kennet valley, when tops of trees could be seen poking through the low lying radiation fog.

    By 07.30 the sun had risen above the low lying fog and begun to evaporate the condensation.

  • Another warm day on Friday

    Friday brought another warm and bright day with 4 hours of sunshine, predominantly in the morning. The thermometer reached 21.7C being 3C above the September average followed by a very mild night under the cloud cover with the thermometer not sinking below 15.9C. This low was 6.8C above average and the warmest night since 11th June.

    A sheer late afternoon amounted to 1.1mm bring the monthly total to 9.7mm when the 37-year average is 62.0mm.

    Saturday dawned dull with total cloud cover but quite high. The wind has veered a few degrees from the southwest on Friday to west today.

  • Warm by day but heavy showers

    Under the influence of low-pressure it was not surprising to find showers breaking out in the past twenty-four hours that amounted to 7.4mm, the wettest day since 21st August.

    The wind was predominantly from the south and a little stronger than of late with a peak gust of 20mph.

    Considerable warmth still existed with both maximum and minimum above average with 20.0C (+1.3C) and 15.8C (+6.7C), the latter giving a very mild night being the warmest night since 17th June. The peak temperature was some 8C and 9C below the very hot days at the beginning of the week.

    Friday arrived with hang-back of cloud from a rain band that went through just after 0500 but by 0800 the cloud had begun to thin.

  • Last of the hot days on Wednesday

    Once again the strong sunshine on Wednesday pushed the thermometer very high but due to increasing cloud mid-afternoon the maximum of 28.3C was just below the Tuesday record but still 9.7C above average.

    Light rain started to fall at 1920, for a brief period, but only amounted to 1.2mm as the bulk of the heavy rain sidled away to the east as has been seen on many occasions. That rainfall broke the 17 consecutive dry day period. That was not a record as there were 26 consecutive dry days at the end of Aril and beginning of May in 1984 with 26 consecutive dry days.

    It has been a very mild night with a minimum of 15.4C. This low was a significant 6.3C above the 37-year average and the warmest night since 17th June.

    Sadly the anticyclone has moved far away and today we are under the influence of low-pressure to the northwest with the barometric pressure having fallen to its lowest point for a month. The reading at 0800 was 1008.3mb.