2020 Weather

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January 2020 February 2020 March 2020

January was a mild month, the mean temperature being the 7th= highest, last exceeded in 2007-2008. The MeanMin, LoMin and LoMax all ranked between 2nd and 4th highest here since 1956.
There were fewer air frosts than normal, just 4, ranking 7th fewest. The 9 ground frosts also ranked 7th fewest (there were fewer still 2005-8 and 2010-11).
Rainfall was slightly less than usual. There were slightly above average fog days.
A new record high pressure was recorded here at 02:00 on 20/01/2020.

   8.1 mean max (C) 
   3.7 mean min (C) 
   5.9 mean (C)  +1.8 diff from av (C)

12.0 high max (C) on 14
  5.1 low max (C)  on 19
  7.4 high min (C)  on 12
 -1.1 low min (C)   on 21
56.2 rain total (mm)  85% of av 
Most rain was 14.1mm on 8 

  20 raindays (days with >=0.2mm)
  12 wetdays (days with >=1mm)
    6 very wet days (days with >=5mm)
  
9 days with Ground frosts
4 days with airfrosts 18th –21st 
4 days with fog 19, 22-23, 30
No thunder
74% cloud cover percent
93% mean RH 
Mean pressure was 1018.4mb
Highest pressure 1049.3mb (new record)

A new record wet month here (147.8mm rainfall, over three times normal,  the previous record was 130.8mm in 2014 and 129.4mm in 1977). Wettest day was 15th with 39.5mm, followed by a further 12.5mm the next day, making 52mm over these two days, a normal February’s monthly total.  Some rain fell every day from 8th to 29th so the ground remains saturated! Brief small hail on 25th , 29th.

Mean temperature was 1.7 degrees above normal, ranking 9th highest since 1956. Notable the LoMax and LoMin temperatures ranked 2nd and 4th highest, while there were just 2 air frosts on 6th and 7th  (only two years have had fewer).

Sunniest days were 5th-8th,12th, 27th and 29th. Dullest were 4th, 9th, 15th, 19th, 21st and 28th.
Ground frosts were recorded 5th-8th, 11th-14th, 17th-19th, 21st and 25th-29th.
The passing of a series of named storms provided very windy conditions 9th-11th, 15th-16th and 29th.
 
  8.9 mmax (C) 
  2.9 mmin (C) 
  5.9 mean(C)  +1.7 diff from av (C), the 9th mildest in 65 years.
12.1 high max (C) on 24th  
  5.5 low max (C) on 11th   
  7.4 high min (C) on 1st
 -1.5 low min (C) on 6th 
147.8 rain total (mm)
315.8% of av 
22 raindays (days with >=0.2mm)
19 wetdays (days with >=1mm)
12 very wet days (days with >=5mm on 15th .
17 days ground frost
  2 days air frost
75% cloud cover percent
95% mean RH 

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Seasonal Summary for
Winter 2020 (Dec,Jan,Feb)
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Winter was mild 1.5 degrees above normal (7th mildest recorded here in 65 years), very wet (7th wettest, although in recent years it was higher in 2014/13/16) with a total over 144% above normal.

Statistically March was quite an average month, no records broken. Mean temp just 0.1 degrees above normal, coldest between 1st and 5th, mildest 24th to 26th. There were air frosts on 2nd, 6th, 22-23rd and 26-27th .
Rainfall was 75% of normal (ranking 20th lowest in 65 years), most fell around 9th and around 14th, and totally dry from 20th through to 29th.  Windiest 7th to 12th, sunniest 22nd to 26th.  The end of the month was very kind to gardeners.

  10.6 mean max (C) 
   2.6 mean min (C) 
   6.6 mean (C)  +0.1 diff from av (C)

18.0 high max (C) on 25
  5.4 low max (C)  on 19 
  7.9 high min (C) on 18
 -2.9 low min (C) on 6
 40.8 rain total (mm)  75% of av 
Most rain was 7.6mm on 9th/14th   

17 raindays (days with >=0.2mm)
11 wetdays (days with >=1mm)
  3 very wet days (days with >=5mm)

Ground frost on 17 days
Air frost on 6 days
No fog days
52% cloud cover percent
83% mean RH 

Mean pressure was 1016.9 mb

 

April 2020 May 2020 June 2020

A warm month, mean temperature 11.4C, 2.7 degrees above normal, making it the 3rd highest in 65 years here (beaten in 2011 and 2007). Maximum temperatures exceeded 20C from 7th –12th,  16th-17th and 22nd-26th. Just one airfrost on 14th with temperature dropping to –1.4C.

Rainfall only 41.0mm (similar to March), 66% of normal, ranking 23rd driest in 65 years. Wettest days were 12th, then 28th – 30th .  
No rain fell 4th-6th, 8th-12th, 14th-16th or 19th-25th.

Sunniest spells were 19th-27th, and mostly sunny 6th-11th and 14th-16th.
Windy 12th-13th and 20th-21st.

Consequently, being warmer and with less rain, the soil (still dry from March) remained dry for the month and more watering of crops than usual was required!

  17.4 mean max (C) 
   5.3 mean min (C) 
 11.4 mean (C)  +2.7 diff from av (C)

25.7 high max (C) on 11
  7.0 low max (C)  on 28
10.5 high min (C) on 11
 -1.4 low min (C) on 14
41.0 rain total (mm)  66% of av 
Most rain was 10mm on 12th    

11 raindays (days with >=0.2mm)
  8 wetdays (days with >=1mm)
  4 very wet days (days with >=5mm)

Ground frost on 5 days
Air frost on 1day
No fog days
38% cloud cover percent
79% mean RH 

Mean pressure was 1018.2 mb

A very warm but very dry month overall.  We saw the 5th highest May mean temp, and the mean max 20.2C was the 2nd highest here in 65 years. Hottest days were 7-9, 19-21 and 25-31, one cooler period 12-14. Rainfall came on 1, 18-19 and 22-23, totalling just 10% of normal at 5.8mm, unsurprisingly a new record (beating 12.2mm in 1991 and 13.3mm in 1998).
Mean pressure for May was 1022.1mb, the 2nd highest beaten only in 1991.
It was windy 22-24,  and small hail fell briefly on 1st.

20.2 mean max (C) 
  7.2 mean min (C) 
13.7 mean (C)  +1.8 diff from av (C)
27.6 high max (C) on  20
10.9 low max (C) on  10/11
12.7 high min (C) on  22
 -1.2 low min (C) on   14
  5.8 rain total (mm)
10.0 % of av 
  4 raindays (days with >=0.2mm)
  3 wetdays (days with >=1mm)
  No very wet days (days with >=5mm)
Ground frost on 5 days
2 Air frosts
Mean pressure 1022.1mb (2nd highest value)
40% cloud cover percent (a low value)

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Seasonal Summary for
Spring 2020 (Mar, Apr, May)
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Spring was warmer but much drier than normal, following on from the wettest February here in 65 years. Mean temperature 10.5C was the 5th highest (as was last Spring), while rainfall 87.6mm was the 5th lowest (last Spring had normal rainfall).
The number of raindays was 32 (43 normally), wetdays 22 (32 normally) and very wet days just 7 (12 normally), these all ranking 5th – 8th in 65 years rainfall records.
Jan to May have produced 292mm rain overall making the first 5 months of this year appear statistically more normal than, although the details shows variability in its distribution.

             this year    normal      anomaly

HiMax         27.6        29.2    
MeanMax   16.1        13.1    +3.0 (New rec)
LoMax          5.4         -2.1    
MEAN          10.5          8.7     +1.8 (5th high)
HighMin      12.7        14.7                
MeanMin      5.0          4.4   +0.6 (15th high)
LoMin          -2.9       -11.1   
RAINFALL    87.6       172.4          102.8% (5th lowest)

Raindays        32         42.9               
Wet Days        22         32.4                             V Wet Days    12          11.6                         

Mean Temperature was +1.4 deg above normal, making it the 9th = highest mean in 65 years here. It was warmer in 1976, 2005-6, 2010, 2014 and 2016-2018. They rose steadily throughout the month, hottest 24th -25th, with minor dips 4th-7th, 18th and 29th.

Although the overall rainfall for the month was 99% of normal, many days had some rain, so 22 raindays (4th highest), 15 wetdays (8th = highest) and 4 very wet days. Wettest days were 11mm on 17th, 7.4mm on 18th , 7.2mm on 16th and 5.2mm on 20th.
Cumulative rainfall from March to May had been only 87.6mm, the 5th lowest for this period in 65 years, but March to June now totals 147.8mm, 7th lowest.

Most sunshine hours were seen on 25th, 22nd – 24th and 1st, although the greatest solar radiation values were recorded on 6th, 10th, 13th and 15th.
Dullest days were 3rd, 7th, 18th and 29th. Windiest days were 27th-29th, 5th-6th and 21st.
So overall a pleasant June, with a hot spell 23rd to 26th.

  21.2 mean max (C) 
 11.2 mean min (C) 
 16.2 mean (C)  +1.4 diff from av (C)

32.6 high max (C) on 25
13.6 low max (C) on 3
18.9 high min (C) on 26
  5.2 low min (C) on 6
 60.2 rain total (mm)  99% of av 
 
  22 raindays (days with >=0.2mm)
  15 wetdays (days with >=1mm)
    4 very wet days (days with >=5mm)

No ground frost or air frost
No days with fog 
2 days with thunder 16th 1840-2040 and 17th 1545
68% cloud cover percent
81% mean RH 
Mean pressure was 1012.3mb

 

 

July 2020 August 2020 September 2020

Statistically a fairly normal July, slightly cooler and slightly less wet than usual. The month ended on a hot note, especially the afternoon of 31st, the max temp 35C matching that of 2019 here.  Wettest days were 7,8,9, then 13 and 27.
Sunniest days were 11-12, 19 and 30-31, dullest were 4, 7-9, 15 and 18.
Windiest were 5-6 and 27-28.
Overall a pleasant month weatherwise.

 21.0 mean max (C) 
 11.9 mean min (C) 
 16.4 mean (C)  -0.5 diff from av (C)

35.6 high max (C) on 31
15.7 low max (C)  on  7
15.3 high min (C) on 31
  5.4 low min (C) on 12
56.4 rain total (mm)  96% of av 
Most rain was 10.6mm on 7th

  14 raindays (days with >=0.2mm)
  11 wetdays (days with >=1mm)
   5  very wet days (days with >=5mm)

No ground frost or air frost
No days with fog 
No days with thunder
69% cloud cover percent
79% mean RH 
Mean pressure was 1015.9mb

 

August was warm and very wet. Mean 
temperature ranks 6th highest in 66 years here, being 1.6 degrees above normal.  While the Mean Max ranked 9th highest, the Mean Min ranked 2nd highest (beaten only in 1997).  The 34.9C measured on 12th is a new record, narrowly beating that set here in 1990.
Rainfall was 208% normal, with 9 very wet days 11-12th , 16-19th , 23rd , 25th , 27th . Only 5 years here have had this many in August.
4 days experienced thunderstorms, most significantly on 11th from 2030 into early hours with large hail, then on 12th from 1800-2100, with occasional flashes continuing up to midnight, and 17th at 1510, with torrential rain 1520 and again at 1815.
19th and 27th were very dull all day, although most days were sunny for at least a part of the day. It was very windy and gusty on 20th – 21st, and 25th – 26th .

22.9 mmax (C) 
13.3 mmin (C) 
18.1 mean(C)  +1.6 diff from av (C), the 6th warmest in 66 years.
34.9 high max (C) on 12th 
14.3 low max (C) on 27th   
18.4 high min (C) on 12th
  5.7 low min (C) on 30th
138.0 rain total (mm)
208.1% of av 
18 raindays (days with >=0.2mm)
14 wetdays (days with >=1mm)
  9 very wet days (days with >=5mm on 15th
 Greatest fall 32.2mm on 17th
No days ground frost
No days air frost
66% cloud cover percent
87% mean RH 
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Seasonal Summary for
Summer 2020 (Jun, Jul, Aug)
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A warmer but wetter summer than usual with wet spells (especially in August), dry spells, hot spells (in June and August) and cooler spells, more extreme than the statistics suggest.

                 this year  normal   anomaly
MeanMax         21.7       20.6         
+1.1
MEAN                16.9        15.8         +1.1 (11th = highest)
MeanMin          12.1        10.9         +1.2 
(5th  = highest)

RAINFALL      254.6        197.9       128.7%   (13th wettest)
Raindays          54          40.6                  (2nd highest, beaten in 2012)
Wet Days          40          30.5                
V Wet Days       18         12.7    
            

 

October 2020 November 2020 December 2020

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Seasonal Summary for
Autumn 2020 (Sep, Oct, Nov)
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