Wednesday brought a day with 11.6 hours of sunshine and Very High UV that lifted the temperature slightly higher than recorded on Tuesday with a maximum of 27.8C, which was 5.5C above the 34-year July average.
July to date:
Average maximum mean temperature: +5C
Rainfall: 4.9mm (average is 60.9mm)
Evaporation: equal to 108mm of rainfall
Sunshine: 220 hours
The average strong sunshine for July, over the past four years when this instrument was installed, is 109 hours. This instrument is triggered when the sun’s strength reaches 100w/sq.m.
Thursday arrived with, initially, broken cloud and occasional glimpses of strong sun that lifted the minimum of 11.7C, exactly average for July, to 16.8C at 08.00.
Update at 11.00: temperature just reached 28.0C, already beating highs of last two days, which usually occur mid to late afternoon. Mean maximum is 22.25C
11.00: 28.0C
11.30: 28.6C
12.00: 28.8C
12.30: 29.2C
13.00: 29.7C
13.00: 30.3C
13.35: 30.4C – the hottest day this month/ year
14.00: 30.2C
14.30: 29.6C
16.00: 29.9C
These temperatures are from instruments well up my garden on the outskirts of Marlborough. Instruments within an urban environment where there are numerous buildings, much paved concrete and tarmac surfaces also not in the shade from direct sunshine or shaded from solar energy, will indicate higher temperatures.