Cold and wet July day in SE England - Friday 24 July 2015

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Cold and wet July day in SE England - Friday 24 July 2015

Postby Stephen Burt » 2015 Jul 24, 21:02

A decidedly autumnal day in the south-east today.

Light rain from 06z became steady moderate rain all morning, then with only a short break continuous heavy rain all afternoon - at a steady 5-6 mm/h. Further, less heavy, rain into the evening and night continuing as I type has brought the day's total up to 35.3 mm from my TBR.

Allowing for the 1.0 mm measured in the checkgauge at 0900z today gives approx 34.3 mm 09-21h - the final figure will be confirmed from the checkgauge in the morning.

On local daily records back to 1959, this is already the fourth-wettest July day - the wettest being 55.3 mm (09-09h fall) on 20 July 2007.

Also very chilly - the 09-21h max just 14.3 °C, a fraction below my previous coldest July day (since I moved here in 1987) of 14.5 °C on both 21 and 23 July 1987: although I suspect this will be exceeded by 0900 tomorrow. Rather different to conditions at the beginning of the month!

SB
-----
Stratfield Mortimer, Berkshire - central southern England
51.4°N, 1.0°W, 60 m AMSL, station grade A - AAAA47R
Records commenced here 1987 - local records available back to 1862
The Weather Observer's Handbook: www.measuringtheweather.com
Stephen Burt
 
Posts: 247
Joined: 2011 Dec 02, 19:36
Location: Stratfield Mortimer, Berkshire; a well-exposed rural site, 10 km SW of Reading

Re: Cold and wet July day in SE England - Friday 24 July 201

Postby greg_gruner » 2015 Jul 25, 19:18

Here in Farnborough the rain gauge total at 09z today was 32.0mm (assigned to yesterday of course). This makes the monthly total so far 48.7mm (the average for July is 45.0mm). With more rain forecast it looks like being the wettest month since Nov 2014.
Yesterday's max temp was 15.7C, following the AWS convention of 00-00. This value of 15.7C actually occurred at 00z on the 24th. Using 09-09, the max here would have been 15.2C.
Anyway, a good recovery today, with only a trace of rain (morning shower) and max of 21.4C.
Greg Gruner
Farnborough, Hampshire
greg_gruner
 
Posts: 224
Joined: 2012 Feb 04, 17:28


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