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 December 2017 
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 Post subject: December 2017
PostPosted: Mon Jan 01, 2018 11:49 am 
Professor
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Joined: Mon Nov 02, 2009 8:52 pm
Posts: 8213
Location: Brampton
Altitude: 117m
Weather Station: Davis VP2
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Last one for this year for Brampton

December 2017 - A dusting of snow on the 1st was all we could muster this month. Snow falling days showing 6 but in reality blink and you would have missed it. It was very wet over Christmas which up to then had been a dryish month. Overall mean temperatures lower than normal after a period of cold weather during the middle of the month.

Mean Max 6.2c (-0.8c)
Mean Min 1.6c (0.0c)
Mean 3.9c (-0.4c)

Highest Max 12.2c - 6th
Lowest Min -1.0c - 10th/11th ( two ice days on the trot)
Lowest Min -7.2c - 11th
Highest Min 8.2c -24th
Grass Min -9.3c 11th

Rainfall Total 99.8mm or 97.8%
Wettest Day 28.4mm 25th

Days with >0.2mm 19
Days with >1.0mm 15
Days with > 5.0mm 7

Sunshine 16.7hrs or 56.2%

Wind
Max Gust 41mph 24th and 31st
Average Speed 8.1mph
Dominant Wind Direction SW - 18days

Pressure Mean at 0900hrs 1010mb
High was 1035.6mb 22nd
Low was 980.6mb 14th

Sleet/Snow Falling Days recorded as 6- but all were just several flakes and that was it, apart from a very thin dusting on the 1st, no snow at 0900hrs was recorded

Hail 2
Thunder 0
Fog 2

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Brampton. 117m ASL.
http://www.bramptonweather.co.uk
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 Post subject: Re: December 2017
PostPosted: Mon Jan 01, 2018 4:36 pm 
Senior Climatologist

Joined: Mon Jan 04, 2010 4:18 pm
Posts: 903
Location: Scotby
Altitude: 31
Weather Station: Davis VV
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December was a variable month with some very cold spells alternating with milder, wet days. Overall it was a colder than average December with an average maximum temperature of 6.9C, the coldest since 2012. The mildest day was the 7th with a high of 13.8. This was immediately followed by several very cold days with the coldest day on 11th having a maximum of -1.9C (an ‘ice day’). There were 15 air frosts during December, the most since 2010. The coldest night was the 11th with a minimum of -9.3C, the coldest night since December 2010. Christmas brought milder temperatures again but another cold spell followed before the end of the year.

The total rainfall for December was 92mm which is about average for December. It had been fairly dry, with only 40mm, until the 24th then Christmas Eve, Christmas Day and Boxing Day had a total of 40.4mm, the wettest day of the month being the 25th with 26.2mm. There was no snow in Scotby during December.

Anne


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 Post subject: Re: December 2017
PostPosted: Tue Jan 02, 2018 12:07 pm 
Chief Area Forecaster
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Joined: Mon Nov 02, 2009 9:25 pm
Posts: 5954
Location: Drumburgh
Altitude: 7m
Weather Station: Davis VP2
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Average temps and on the dry side apart from Christmas eve/day with 35.5mm.

M.MAX: 6.9c (0.0)
M.MIN: 0.7c (-0.2)
MEAN: 3.8c (-0.1)

H.MAX: 12.3c 6th
L.MAX: -1.5c 11th
L.MIN: -7.5c 11th
H.MIN: 8.6c 24th

G.MIN: -12.8c 11th

Rainfall
TOTAL 72.3mm 70%

Most: 18.7mm 25th

0.2 17 -2
1.0 11 -4
5.0 5 -3
10.0 2 -1

Sleet/snow 4 days - no lying snow at 0900.

AF 16 +4
GF 20 +0

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Drumburgh 7m AMSL (Solway Estuary)
http://www.coggabata.co.uk/weather.html


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 Post subject: Re: December 2017
PostPosted: Tue Jan 02, 2018 1:27 pm 
Chief Area Forecaster
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Joined: Sat Nov 14, 2009 10:57 am
Posts: 3411
Location: Seaton
Altitude: 40
Weather Station: Davis VP2
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Mean max 7.8c + 0.6
Mean min 2.6c +0.4
mean 5.2c +0.5

Rain 93.4mm 83%

-5.4c on the 11th coldest night since December 2010!


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 Post subject: Re: December 2017
PostPosted: Tue Jan 02, 2018 5:36 pm 
Area Forecaster
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Joined: Sat Apr 02, 2011 10:22 pm
Posts: 2043
Location: Isel valley, Northern Lakes
Altitude: 140m
Weather Station: Manual
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M.Max 6.3c

M.Min 1.1c

Mean 3.7c (-0.4c)

High 11.2c (7th)

Low -6.1c (11th)

Rainfall 155.5mm (121%)

Wettest Day 30.1mm (25th)

days rain >1mm 17

Average Wind Speed 6.3mph

Gust 51mph (8th)

Sunshine 55.4 hours (122%)

AF 13

Snow falling 5

lying 3


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