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Author Topic: A bit damp for May?  (Read 5285 times)
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skyewright
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« on: June 01, 2011, 01:25:37 PM »

On the media 'they' have been talking about how dry it is...

'They' obviously haven't looked up here.

Here we had 27 rain days in may (every day from 5th to 31st inclusive), totaling 243mm! I've talked to 2 other weather observers on Skye and they have equivalent results.

A summary of May rainfall here for the last 4 years is:

May 2008 21mm
May 2009 116mm
May 2010 38mm
May 2011 243mm

How was it for you...
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David
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« Reply #1 on: June 01, 2011, 06:39:10 PM »

Certainly a very strange 6 months.

  • Decemeber (2010) bone chilling -3.3'C average temp through the month, heavy snow but not as bad as in the East.
  • January drier than normal, but with the usual winter storms and snow.
  • February (normally the driest month) was by far the wettest
  • March very dry, only 50mm in a month that can be quite wet and windy
  • April was statistically normal, but very nearly all the rain fell in a couple of days at the beginning of the month, followed by nearly 4 weeks of zero rain.
  • May: 23 rain days (not including the smurry drizzle that didn't register on a couple of days) giving just short of 80mm, a 50mph gale, and 3 days of frost.  80mm may not be as much as the Western Isles, but it was 4 times last year and twice the average (which has since been uplifted) and it felt depressingly cold and damp.

Year to date: 341mm rain
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skyewright
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« Reply #2 on: June 03, 2011, 08:44:22 AM »

Other 'notable' things about May 2011 here were:

Wind:

Here are average wind speed & dir across the whole month for the last 4 years:

May 2008 5.8mph ENE
May 2009 9.8mph WSW
May 2010 6.8mph S
May 2011 12.2mph SW

Who'd have expected May to be a good month for hydro & wind power. I know a guy who is off-grid on Raasay and as of 1st June his batteries were full, he had all the power he needed for live running and was pushing 10kWh a day to heat dump radiators...

And soil temp. Here is start & end of May

01/05/2011 1000mm min/max C 8.7/8.9
31/05/2011 1000mm min/max C 9.3/9.5 

01/05/2011 300mm min/max C 11.6/12.0
31/05/2011 300mm min/max C 9.7/10.1

01/05/2011 100mm min/max C 11.2/14.0
31/05/2011 100mm min/max C 9.4/10.9

The 1000m temp reached a high of 10C on the 12th, then flat lined, then started to fall...
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David
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« Reply #3 on: June 04, 2011, 01:55:12 PM »

For me,

May 2007 44.5mm
May 2008 3.6mm
May 2009 45mm
May 2010 35.6mm
May 2011 131.2mm

April was dry here and May mostly seemed like the middle of winter.
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skyewright
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« Reply #4 on: June 04, 2011, 03:02:42 PM »

April was dry here and May mostly seemed like the middle of winter.
At least the combination of factors meant that the grass wasn't growing as fast as usual. I've just been round with the mower for the first time in 6-7 weeks (only 2nd time this year - we have 'grass', not a 'lawn'  Wink ). Most years if it had been left for that period I'd have needed to strim at least a path so the mower could nibble at the edges without choking on the bulk.

PS Yesterday (3rd June) was the first "no rain" day since 4th May.
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David
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