A Wet May 2014

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A Wet May 2014

Postby Nick Gardner » 2014 May 22, 18:33

Heavy overnight rain with 22 mm falling in 3 hours has brought the May rainfall total to 146% of my very estimated LTA.

Despite the rain, the sunshine levels continue to recover after the relatively low amounts of sunny weather during the first 10 days of the month. It is also turning out to be a warmer than average month with day and night temperatures above the eLTA.

May 1st - 22nd
Mean minimum = 8.4°C
Mean maximum = 17.6°C
Mean = 13.0°C
Rainfall = 81.7 mm
Sunshine = 167 hours

Another warm(ish) day and feeling humid. Despite many heavy showers inland it has stayed dry all day here. The garden is loving these damp and warm conditions with everything growing madly.
Near Newton Poppleford, Sidmouth - Devon
50:41N 3:17 W; 20 metres AMSL; Station Grade B-BAAA37
http://www.ottervalley.co.uk
Nick Gardner
 
Posts: 429
Joined: 2012 Jan 27, 17:25
Location: Rural riverside valley location near the village of Newton Poppleford and 2 km from the sea.

Re: A Wet May 2014

Postby Len Wood » 2014 May 23, 14:05

Not so wet here Nick with 63.3 mm so far.

This is bang on the average for these parts which is 63.8 mm for May.

Still 9 days to go though.
Len

Wembury, SW Devon coast
N50.33 W4.13
Altitude 83 m asl
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Re: A Wet May 2014

Postby Richard Hunt » 2014 May 23, 22:25

I've had my wettest day since 25 November 2012 this month with 25·1mm yesterday.
I don't often record 25mm+ in a 24hr period at this station so it stands out to me.

I'm on 72·4mm for the month up to 2200 UTC.

The wettest May in this area was 123mm back in 1967, so a bit to go yet.
COL Station: 25020.

Watson W-8681 AWS. Standard Stevenson Screen. Maximum and Minimum screen thermometers. Grass minimum thermometer.
5" Copper standard rain gauge. Roof mounted annemometer.
Richard Hunt
 
Posts: 374
Joined: 2012 Jan 27, 19:23
Location: Hornsea, East Yorkshire. 10m AMSL

Re: A Wet May 2014

Postby greg_gruner » 2014 May 24, 11:52

In Farnborough, 37.2mm to date this month, 71% of the estimated LTA. But more to come! May looks like being very similar to April in that the first 20 days or so had well below average rainfall, and the last 10 days are really wet.
Greg Gruner
Farnborough, Hampshire
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Posts: 224
Joined: 2012 Feb 04, 17:28

Re: A Wet May 2014

Postby Nick Gardner » 2014 May 25, 18:12

Len Wood wrote:Not so wet here Nick with 63.3 mm so far.


Len, more rain yesterday (it rained all day but mostly light) and a cool-feeling day too with an unusually low maximum for so late in May of just 13.3°C.

Yesterday's 5.3 mm now brings the monthly total to 92.6 mm (166% eLTA).

A stark contrast to today with unbroken sunshine all afternoon.

This has been my wettest May (so far) since 2007 (128.9 mm).
Near Newton Poppleford, Sidmouth - Devon
50:41N 3:17 W; 20 metres AMSL; Station Grade B-BAAA37
http://www.ottervalley.co.uk
Nick Gardner
 
Posts: 429
Joined: 2012 Jan 27, 17:25
Location: Rural riverside valley location near the village of Newton Poppleford and 2 km from the sea.

Re: A Wet May 2014

Postby Nick Gardner » 2014 May 25, 18:16

[quote="Richard Hunt"The wettest May in this area was 123mm back in 1967, so a bit to go yet.[/quote]

Richard, the wettest May I've recorded since 2005 was in 2007 with 128.9 mm!

The May average here is around 55 mm but it seems that May doesn't want to follow the average and generally it is either much, much drier than this or really wetter than this, and not commonly in-between.
Near Newton Poppleford, Sidmouth - Devon
50:41N 3:17 W; 20 metres AMSL; Station Grade B-BAAA37
http://www.ottervalley.co.uk
Nick Gardner
 
Posts: 429
Joined: 2012 Jan 27, 17:25
Location: Rural riverside valley location near the village of Newton Poppleford and 2 km from the sea.

Re: A Wet May 2014

Postby greg_gruner » 2014 May 27, 17:27

In Farnborough we have now passed the May LTA rainfall, 53.3mm up to 0900 GMT this morning, with more falling now.
That makes 5 months out of the last 6 wetter than average. May was like April in that the majority of the rain fell in the last 10 days of the month.
Greg Gruner
Farnborough, Hampshire
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Posts: 224
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Re: A Wet May 2014

Postby Richard Hunt » 2014 May 27, 17:59

Richard, the wettest May I've recorded since 2005 was in 2007 with 128.9 mm!


The May average here is around 55 mm but it seems that May doesn't want to follow the average and generally it is either much, much drier than this or really wetter than this, and not commonly in-between.[/quote]

Nick,

I've just checked my records and during May 2010 I had my driest May, and the second driest month for this area. I only recorded 4·3mm for the entire month. Seven rain days, no wet days. Maximum daily total was 0·8mm.

May 2007 saw 69·8mm in the gauge.
COL Station: 25020.

Watson W-8681 AWS. Standard Stevenson Screen. Maximum and Minimum screen thermometers. Grass minimum thermometer.
5" Copper standard rain gauge. Roof mounted annemometer.
Richard Hunt
 
Posts: 374
Joined: 2012 Jan 27, 19:23
Location: Hornsea, East Yorkshire. 10m AMSL

Re: A Wet May 2014

Postby Martin Rowley » 2014 May 27, 20:44

... here in SE Dorset over the past 8 months [October 2013 - May 2014], six have had %age >150 and five (Dec, Jan, Feb, Apr & May) >180%.

For May 2014 so far (to 27/0900Z), total rainfall = 107 mm (188% of the 1981-2010 eLTA): if we were to have another 10 mm of rain before the month's end [ 60% chance from latest ensembles IMO ], then this would have been the fourth month this year with %age >=200.

We've already reached 700 mm of rain for the year so far [against 1981-2010 ANNUAL LTA of 850 mm] .... roll on summer!

Martin.
Martin Rowley
West Moors, East Dorset [ altitude: 17 m/56' ]
NGR SU 082 023: postcode BH22 0GB
50deg49min15secN, 01deg53min03secW
Martin Rowley
 
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