Tuesday, 16 August 2016

Coldest to Hottest in a Matter of Hours

Monday was the hottest day of the month but only hours before it was also the coldest day of the month.
At 05:50 in the morning the temperature fell to 8.2°C (46.8°F) rather nippy for mid August but Monday turned out to be a lovely sunny day with the temperature reaching 25.4°C (77.7°F) at 17:25. From monthly low to high in 11 hours and 35 minutes.

It's also the driest start to August over the last seven years, which is a bit of a mixed blessing on the allotment. On the one hand our onions are starting to dry off nicely but I need some rain to help create some better conditions for digging.

On a less than perfect rose, I had a bit of a dabble with a new zoom lens for my camera.
It was a bit too warm to do anything too energetic!


  1. I find this very interesting. I, too, have a Weather Underground station (right column here http://janestrong.blogspot.com/). Today's high was 96.6 and last night's low was 62.1, a difference 34.5 while your difference was 30.9. For us this is normal for this time of year. Now the distinction comes with the relative humidity, yours at 85% and mine at 10%. I know that our hot and dry air mass comes from the deserts to the east and at the moment there is a sea breeze from WSW also a normal occurrence. But I am very curious. Where does your warm, moist air mass come from? And what happened during the day to bring a rise of 30 degrees? What changed?

    The rose is vry beautiful like roses should be. I like the picotee ruffles edges and the color. No roses are blooming here.

    1. Hi Jane
      It is unusual for us to have such a big temperature difference between night time low and daytime high. We nearly always have moist air as it usually comes in off the North Atlantic or the North Sea. I don't think I've recorded humidity s low as 10%. Our warmest air masses usually come from the south from Spain (if we're lucky) or from the continent of Europe in summer. These often bring us large amounts of cloud as the air mass comes in from over the North Sea.


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