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11-04-2019, 19:19   #16
vrusinov
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Just getting number of rainy days is misleading, as there is a plenty of quite rainy days where it's possible to cycle for 5km without getting wet. It's often possible to wait 15 minutes to avoid the rain.
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12-04-2019, 00:27   #17
pauldry
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And other quite showery days where it appears to be raining non stop but if you count the number of minutes its actually rained it might add up to 2 hours of the day.

Most prolonged rain lasts 4 to 6 hours and occur about 20 to 40 times a year . The other hours are mainly dry

March was an extremely wet month in the North West when there was 25 "wet days" as you say.

However well over 60 per cent of the duration of the month was dry so Wet "days" is far too misleading IMO

Last edited by pauldry; 12-04-2019 at 00:33.
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12-04-2019, 00:32   #18
tuxy
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BTW 5 KM is going to take about 15 mins even in Dublin with all the traffic and red lights.
5 KM is walking distance but the bike is an option if you want to speed things up.
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12-04-2019, 09:36   #19
benji2006
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Here is a good article I saw a few years ago - seems credible based on personal experience...


How wet is a cycling commute in Ireland? Pretty dry!… if you don’t live in Galway.

https://www.shanelynn.ie/wet-rainy-c...nd-and-python/
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12-04-2019, 10:49   #20
snowstreams
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Odelay, if you look at the climate section on wikipedia for each city you can see the breakdown of weather data.

Rain fall and wet days is listed there too.

https://en.wikipedia.org/wiki/Cork_(city)#Climate
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12-04-2019, 10:53   #21
snowstreams
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Quote:
Originally Posted by benji2006 View Post
Here is a good article I saw a few years ago - seems credible based on personal experience...


How wet is a cycling commute in Ireland? Pretty dry!… if you don’t live in Galway.

https://www.shanelynn.ie/wet-rainy-c...nd-and-python/
Thats some strange statistics there for Galway.
I moved to Galway in 2008 and I got wet more often cycling in dublin than in Galway at first.
Though I think 2007-2008 were very wet years in Dublin.

To me it seems to rain here maybe 50% more often but nothing like triple!

EDIT:
Ok I see they are using 2015 as an example.
That was a terrible summer in Galway. So not a good example to use.

Last edited by snowstreams; 12-04-2019 at 10:57. Reason: Used 2015 statistics
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12-04-2019, 11:44   #22
Riskymove
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my own experience, which I have used as an example before, is that I played football every Tuesday and Thursday 7-8pm for about 15 years

I reckon I got really lashed on about 20 times, it snowed about 5 times etc
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12-04-2019, 13:49   #23
pauldry
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Read that Galway article too. They must be using Mace Head.

The past 18 months has been pretty dry though as for all my sons outdoor training on Saturday mornings in April to June last year and April this year there was one shower of rain...in total and for the runs ive done its rained a lot more in the evening than mornings

I cycled to work for many years in Sligo in my 20s and it often went like this...youd get soaked 3 days in a row then dodge all the rain for the next month.

Mathematically Id say theres 1100mm of rain in Sligo a year. Over half of this falls at night as often in colder weather the rain seems to intensify after darkness so thats 500mm give or take left. Heavy showers that are short lived use up at least half of this leaving around 200mm then prolonged rainfall but at different times not always the morning commute and drizzle in July and August can be the worst.

So in conclusion Spring and early Summer is probably the best times to cycle in Sligo

November December and surprisingly August the worst months for rain
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12-04-2019, 14:20   #24
Oneiric 3
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Just from my own station in Galway (admitedly one of the drier parts of the county) and based on 5 min readings, rain rates are only recorded about 3 to 5% of the time. I think what distorts actual perceptions about rain frequency in Ireland is the very poor drying from October to about March, and the fact that more often than not, the sky looks like it would be giving rain when it actually isn't. Keep in mind also that the west and northwest of Ireland are amongst the least sunniest places on the planet. Claremorris, in south Mayo, when it did record sunshine, had the lowest annual average sunshine totals in the world.
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12-04-2019, 14:26   #25
Oneiric 3
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Read that Galway article too. They must be using Mace Head.
I sometimes wonder about Mace Hd's rainfall readings. Already this year, it is coming in with a lower total than Athenry, and has done for every year since at least 2016:

https://www.met.ie/climate/available-data/monthly-data


despite claiming to have a higher annual average total.

Last edited by Oneiric 3; 12-04-2019 at 14:29.
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12-04-2019, 14:46   #26
Oneiric 3
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Though I think 2007-2008 were very wet years in Dublin.
.
They were wetter in Galway, and that includes both these infamous summers.

We just didn't make quite the fuss at the time.

Summer 2007 tots:
Dublin Apt: 349mm
Casement: 391.4mm
Galway (UCG) 391.6mm


Summer 2008 tots:
Dublin Apt: 377.7mm
Casement 344.4mm
Galway (UCG) 519.1mm

(Met Eireann)

Last edited by Oneiric 3; 12-04-2019 at 14:53.
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14-04-2019, 03:59   #27
Xenji
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Castlebar has had just over 15000mm of rain for the last 10 years, that's about 4.1mm of rain a day if you go mathematically, but we know that is not the case, but we have actually recorded just 726 days with no percipitation in those 10 years, so you could say on average it rains nearly 80% of the time, but again that is just simplifying it.
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