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Shanice

December 2017 Statistics

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December 2017 Has Ebbed And Flowed With Cold Snaps, However Though, The Month Will Be Seen As A Time Of Near Normal Temperatures.

December 2017 Stats:

Temperature:

Max Temp Avg: 8.53°C

Min Temp Avg: 3.05°C

Mean Temp Avg: 5.79°C

Highest Daytime Max Temp: 14.0°C on the 30th

Lowest Daytime Max Temp: 2.6°C on the 11th

Highest Night Min Temp: 9.8°C on the 21st

Lowest Night Min Temp: -3.0°C on the 12th

Rainfall:

Highest 24 Hours Rainfall: 16.6mm on the 10th

Total December Rainfall: 65.2mm

Pressure:

Barometer High 1037mb on the 22nd

Barometer Low: 972mb on the 10th

Edited by Shanice
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Firby December 2017 Stats:

Temp:

Mean Temp: 3.5c (-0.3c)

Mean Max: 6.1c (-0.1c)

Mean Min: 0.9c (-0.5c)

Max Temp: 11.9c (24th)

Min Temp: -4.8c (10th)

Lowest Max: 0.8c (9th)

Highest Min: 9.3c (24th)

Air Frosts: 14 (140%)

Rainfall:

Rainfall: 45mm (75%)

Wettest Day: 8.2mm (29th)

High Rain Rate: 11mm/hr (15th)

Rain Days: 20

Dry Days: 11

Pressure:

Highest: 1034.92 hPa

Lowest: 978.91 hPa

Wind:

Highest Wind Gust: 33 mph

Average Speed: 4.1mph

Wind Run: 3268.4 miles

Snow:

Snow amount: 3cm

Days with snow falling: 4

Days with snow laying: 3

 

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A very variable month especially with temperatures, 1 cold spell 8-19 th inclusive,(mean=2.2) balanced out by two shorter mild ones 

3-7 th with 8.5 and 20-25 th with 9.0 C; slightly above average frosts with snow on 6 days (2), lying 5 mornings, only 1 above 1/2 cover

Average rainfall total

 

Most snow falling, not quantity and days lying, not depth since 2010,

Most frosts since 2013

Edited by johnholmes
apologies for size and blank lines!

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Burnham, Essex

December 2017

Mean temp: 5.5c (+0.2)

Ave Max Day: 7.65c

Ave Min Day: 3.35c

Rainfall: 54.6mm

Frosts: 13 (7 Air, 6 ground)

Snow: 2 days with lying snow (1 patchy, slushy in nature, 1 to a depth of an inch).

Windiest day: 30th gusting to 39mph westerly.

Fairly average month overall temperature wise and rainfall but good to see some snowfall on the Essex riviera.

 

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A fairly average December in the end though it was wetter than average and had 3 days of snow falling (though nothing really lay).

Temperature

Mean 4.6c

Mean Max 6.9c

Mean Min 2.2c

Highest Mean 10.5c (21st)

Lowest Mean -1.4c (12th)

Highest Max 12.7c (30th)

Lowest Max -4.5c (12th)

Rainfall

Total 100mm

Highest Day 19mm (26th)

 

Overall there were 12 days with an air frost recorded, certainly higher than recent December's. 

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5a4ac8ffadc9f_December2017.thumb.png.c41c041c4c7c71dc18d840d6cd94729a.png

December - Hobart, Tasmania

Second warmest December in 136 years of records, just behind 1994. The mean anomaly was +2.1c compared to 1981-2010 ( figures below ) or +2.4c above 1961-1990. The mean monthly minimum temperature set a new record ( the third month in a row! ), the mean maximum was well up, but a few Decembers have been significantly warmer.

Average maximum:  22.5 ( +2.1 )

Average minimum:  13.4 ( +2.0 )

Rainfall:  101mm ( average 56mm )

Rain days ( +1mm ):  4/from 10 

This months special event was a cold wet and windy weekend on the 2nd/3rd with significant settled snow in highland areas, as low as 900m. A strong upper low pressure system developed over southern Australia, with an intense surface low developing off Tasmania's north east coast. 92mm fell in Hobart over three days, with the upper reaches of the mountain switching between settled blizzards and rain. The low weakened moving south eastward and conditions cleared to cool. Another 8mm on the 7th as a weaker low moved southward down Tasmania's east coast. The rest of the month was mild to warm, largely settled and dry but cloudy at times, under high pressure conditions across southern Australia. Onshore winds behind weak Southern Ocean fronts brought just a local shower, with just 1mm all up after the 9th.

Extremes in daily temperature for December ( records since 1882 ):

Highest maximum;  32.3.....28th ( record 40.6 in 1897 )

Lowest maximum:  12.9.....3rd ( record 10.2 in 1964 )

Highest minimum:  20.0.....28th ( record 23.9 in 1920 )

Lowest minimum:  8.5.....8th ( record 3.3 in 1906 )

Historical warmth...third month in a row

5a4ace7045790_December2017Mean.thumb.png.3a6871ea8af7931b03e1412cd3b8da54.png5a4ace82abe46_December2017Minimum.thumb.png.57574cb42ff098ef881f834dcbefd0da.png5a4ace9452679_December2017Maximum.thumb.png.42585034adff57b8116c1d6a5700a978.png

  

 

 

Edited by Styx
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Some stats for Newcastle

Mean: 4.0C
Mean Max: 6.2C 
Mean Min: 1.7C

Highest Mean: 11.3C (24th)
Highest Max: 13.0C (7th)
Highest Min: 10.0C (24th)

Lowest Mean: -2.3C (11th)
Lowest Max: 0.4C (10th)
Lowest Min: -5.1C (11th)

5jWxZ90.png

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Decemeber 2017

Temperature

Max Temp: 12.8°C (7th)

Min Temp: -4.0°C (12th)

Mean Max: 9.0°C

Mean Min: 3.2°C

Air Frosts: 7

Rainfall

Total: 98.6mm

Wettest Day: 19.2mm (10th)

Rain Days: 19

Dry Days: 12

Pressure

Highest: 1037.66mb (2nd)

Lowest: 974.54mb (10th)

Snow

Days with snow falling: 0

Days with snow lying: 0

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