Halesowen Weather

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 DECEMBER 2016

A mild and dry December.

WHOLE OF 2016
2016 was a mild year, the mean 10.6C being +0.7deg above 30 year value.
Rainfall was 981.4mm, 128% of the 30 year value, statistically the 6th wettest year.

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Halesowen, West Midlands
   lies 13km to the 
west of Birmingham 
in central England. 

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here for the last 57 years


 
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DECEMBER
2016

A mild and dry December.
Temperatures were significantly above normal between 6th  and 26th , with 5 airfrosts at the beginning of the month and 2 at the end. The mean temp anomaly was +1.5deg ranking 9th  mildest (in 61 records here). The LowMax was 5th highest and MeanMax 7th highest on record.

Rainfall ranked 8th lowest for December, wettest day was 10.2mm on 10th, but no other days exceeded 3.7mm., keeping the months total to 30.4mm.

Windiest days were 23rd to 25th and 7th to 9th , and many days enjoyed winds from the southerly direction.

Many days were bright, especially sunny on 1st, 4th, 14th, 22nd, and 26th to 30th. Dullest days were 6th,12-13th,19th, 23rd and 31st. 

The predominantly anticyclonic month kept pressures higher than usual (apart from 1st, 4-5th and 27th ) so unsurprisingly the highest mean pressure and highest minimum pressure were recorded in 61 years.

 

          

 

TEMPERATURES


8.6 mean max (C) 
 3.1 mean min (C) 
 5.8 mean (C)  +1.5 diff from av (C)

13.4 high max (C) on 8
 4.8 low max (C) on 27 
 9.6 high min (C) on 10 

-4.1 low min (C) on 1

RAINFALL


30.4 rain total (mm) 42% of av 
17 raindays (>=0.2mm)
 7 wetdays (>=1mm)
 1 very wet day (>=5mm)
 

OTHER
 
12 ground frosts
  7 air frosts 
59 cloud cover% 

94 mean RH% 

Annual Summary for 2016

2016 was a mild year, the mean 10.6C being +0.7deg above 30 year value.
HiMax 34.1C was the 6th = highest on record, and HiMin 21.1C was 2nd= highest.

Rainfall was 981.4mm, 128% of the 30 year value, statistically the 6th wettest year.
However, monthly rainfall varied a lot, Jan, Mar, June and Nov were wet (Jun especially so, having 75mm on the wettest day on record 16/6/2016), while May, July, Oct and Dec were dry). All these wet months rank amongst the top 20% of the months in 61 years here, and three of the dry months amongst the bottom 20%.

Analysis of temperatures and rainfall from 1956-2016 indicates these trends:

an increase in mean temp of 1.92degrees from 8.67C to 10.59C.
the number of air frosts has dropped, especially in the last decade, 
and snow days are becoming far less frequent.
an increase in annual rainfall of 13% from 726.9mm to 821.5mm.

greater extremes of rainfall have occurred within the last 5 years. with 2011 being the lowest recorded, while the following two 2012 and 2014 ranked highest, and 2013 was 4th highest.  2016 ranks 6th in annual rainfall, with June enjoying most monthly rainfall in any month and the wettest day of any day during 61 years, on 16th June.

 TEMPERATURE
14.6 mean max (C) , +0.7 diff from av (C)  9th highest
 6.6 mean min (C) ,    +0.7 diff from av (C)  8th= highest
10.6 mean (C),          +0.7 diff from av (C)  6th= highest

HiMax  34.1C on 9/7/16   6th Highest
LoMax   2.8C on 16/1/16 
HiMin   21.1C on 20/7/16 2nd = (with 2009) highest 
LoMin   -4.6C on 30/11/16


RAINFALL 

981.4 rain total (mm), 128 % of av   6th highest (not as high as 2012/13/14)
186 raindays (with 0.2mm or more)
133 wetdays (with 1mm or more)
 57 verywetdays (with 5mm or more)  15th highest (not as high as 2008/12/13/14)

SNOWFALL
8 days with snow falling, 3 in Jan, 2 in Mar, 3 in Apr

1 days with 50% snow cover      1st= lowest

PRESSURE
1015.0 mean pressure (mb) , +0.5 pressure anomaly (mb)
1045.1 max pressure at any time of day, on 27/12/16  New record high 
970.6 min pressure at any time of day, on 28/3/16    13th = highest

FROSTS                     The last frost was 30/4/16 and the first frost 8/11/16

THUNDER                 9 days with thunder heard

HUMIDITY                    89.0% at 0900

CLOUD COVER            62.4% at 0900

 

 

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Page updated   01/01/2017