2017 Weather

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Annual Summary for 2017

Overall a mild year with 6th highest mean temperature.Mean min temps were +1.0deg, mean temps +0.8deg and mean max temps +0.6deg above normal. 
There were just 33 airfrosts (7
th fewest) and 87 ground frosts recorded.
Rainfall was 105% of normal, with 202 raindays, 147 wetdays and 62 verywetdays
(9th highest, about 10% above normal).

April 20mm and October 34mm were especially dry months , while wettest months were September with 100mm and December with 124mm. Wettest day was 28.2mm on 26/12/17.Snow fell on 7 days, the majority 31.4cm falling between 8th and 11th Dec (most in one day was 12cm on 10th Dec).

TEMPERATURE
14.5 mean max (C) , +0.6 diff from av (C) 11
th highest
6.9 mean min (C) , +1.0 diff from av (C) 5
th highest
10.7 mean (C), +0.8 diff from av (C) 6
th highest

HiMax 33.8C on 19/6/17 8th Highest
LoMax -0.3C on 26/1/17
HiMin 16.8C on 20/6/17
LoMin -7.0C on 12/12/17
Highest Mean 25.0C on 19/6/2017
Lowest Mean –1.8C on 12/12/2017

RAINFALL
806.4 rain total (mm), 105 % of av
202 raindays (with 0.2mm or more) 9
th highest (average is 180)
147 wetdays (with 1mm or more) 8
th highest (average is 133)
62 verywetdays (with 5mm or more) 9
th highest
28.2 most rainfall in a day (mm) on 26/12/2017

The distribution of rainfall has been uneven:
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
78.4 58.5 74.4  20.3  61.2 45.9 73.9 75.4 100.4 34.4 59.5 123.8

SNOWFALL
7 days with snow falling, 1 in Jan, 1 in Feb, 5 in Dec. 9 days with 50% snow cover
Snow totalled 32.9cm, and most snow falling in a day was 12 cm on 10/12/2017.

PRESSURE
1015.8 mean pressure (mb) , +0.3 pressure anomaly (mb)
1038.5 max pressure at any time of day, on 18/1/2017
  976.1 min pressure at any time of day, on 10/12/2017

FROSTS The last frost was 27/4/17,the first 30/10/17,186 days were frost free
There were 33 air frosts (the 7
th fewest in 63 years)
There were 87 ground frosts flagged (91 days had min temp below 3C
and 84 days had min temp below 2.456C)

THUNDER   4 days with thunder heard, 28/3 5/8 18/8 16/9
HUMIDITY    88.6% at 0900
CLOUD COVER  62.4% at 0900

 

January 2017 February 2017 March 2017

 

January statistically was a little cooler and a little wetter than normal.
However it experienced quite mild temperatures 6th -10th, and at the end of the month, but very cold 5th-6th and 24th-28th. It was also very wet at times, 14th-16th and 27th onwards, but virtually dry 17th-26th.
With pressure remaining high throughout most of the month, the 6th highest mean pressure was recorded.
Quite breezy at times, especially 11th-13th.
Air frosts 2nd-6th, 13th, 20th-27th.
So in reality it was mixed. It certainly felt pleasantly mild almost springlike at times, but bitterly cold feel at others especially with the wind. But averaged out, no monthly records were broken, most parameters ranking midway in the 62 years of records held here.

 6.4 mean max (C) 
 1.1 mean min (C)
 3.7 mean (C)  -0.4 diff from av (C)
10.9 high max (C) on 10
-0.3 low max (C) on 26
 6.1 high min (C) on 11
-4.3 low min (C) on 5,27

78.4 rain total (mm)
118% of av
18 raindays (>=0.2mm)
11 wetdays (>=1mm)
  8 very wet days (>=5mm)
19 ground frosts
12 air frosts
68 cloud cover%
95 mean RH%  

 

A mild February, especially so 12th-26th, although cooler at the beginning and end of the month. The mean was exceeded by at least one degree in 1998, 1990, 2011 and 2002.  While the MeanMax was not exceptional, the MeanMin was within a degree of the record high in 2011, ranking 6th.
Air frosts were recorded only on 5th and 6th, but 14 days saw ground frosts, every day from 4th to 15th, also 24th and 28th.
Rainfall slightly above normal, well spread across the month with brief respite 9-10th and 17-20th. Wettest days were 27th with 8mm, 22nd with 7.5mm, 6th and 28th with 7mm.
Windy 2-3rd and 20-27th, although the highlight was on 23rd with storm Doris bringing peak gusts of 61mph, while pressure dropped to 986.3mb at 0930 and 1000 .
A few sunny days were had particularly on 4th, 7th, 13th and 24th.

  7.9 mean max (C) 
  3.3 mean min (C) 
  5.6 mean (C)  +1.4 diff from av (C)

14.6 high max (C) on 20
  1.7 low max (C) on   
  9.2 high min (C) on  22 
 -1.8 low min (C) on    6

58.5 rain total (mm)
125 % of av 
20 raindays (days with >=0.2mm)
13 wetdays (days with >=1mm)
  4 very wet days (days with >=5mm)

Ground frost on 14 days
Air frost on 2 days

63% cloud cover percent
93% mean RH 

SEASONAL REPORT FOR WINTER  (Dec 2016, Jan 2017, Feb 2017)

Statistically a mild winter, the mean temperature being 1.0degC higher than normal.
MeanMax was 0.8degC higher and Mean Min 1.2degC higher than normal.
Rainfall was 84% of normal, and while RainDays were slightly higher, WetDays and VeryWetDays were both slightly lower than normal.

Looking month by month, there was quite a variation in the make up of  Winter.
Dec and Feb were +1.5degC and 1.4degC milder than normal, Jan 0.4degC cooler.
While Dec was very dry, Jan and Feb were wet months

                     this year   normal   anomaly

MeanMax        7.6             6.8       +0.8 

LoMax             -0.3           -6.0                                                                 

MEAN               5.0             4.0       +1.0 
 
HighMin           9.6            11.7                             
MeanMin         2.5             1.3       +1.2

LoMin               -4.3        -14.5   

                        
 
RAINFALL       167.3      197.6     84.8%                        
Raindays            55         50.2       +4.8

Wet Days            31         35.7        -4.7

V Wet Days         13         14.3       -1.3

 

 

March was a pleasantly very mild month, ranking 4th mildest, with the mean min 2nd. Particularly mild between 8th-29th and 25th-31st.

Rainfall was again above normal, most falling 1st-7th, 19th-22nd, and 28th (accompanied by a brief thunderstorm).

Many days had useful of sunshine, exceptions were 3rd, 11th, 16th, 18th, 29th.

Windiest days were 2nd, 17th-19th.

12.3 mean max (C) 

74.7 rain total (mm)  136% of av 
15 raindays (>=0.2mm)
12 wetdays (>=1mm)

8 ground frosts
1 air frost on 23
68 cloud cover% 
90 mean RH% 


 

 

 

April 2017 May 2017 June 2017

   

April was nearly a degree milder than usual, cooling down slightly as the month progressed, warming again at the very end.
There was just one air frost on the 27th,  and 5 ground frosts near the end of the month, the month remaining frost free until 18th.
Rainfall was well below normal, 32%, although it had been drier in 2015/13/11 and 2007. Only a few mm fell until 30th.

 14.3 mean max (C) 
  4.9 mean min (C) 
  9.6 mean (C)  +0.9 diff from av (C)
23.5 high max (C) on 9
10.2 low max (C) on 25
  9.1 high min (C) on 21 
-1.4 low min (C) on 27

20.3 rain total (mm)  32% of av 
 9 raindays (>=0.2mm)
 5 wetdays (>=1mm)
 1 very wet days (>=5mm)

5 ground frosts
1 air frost on 27
49 cloud cover% 
82 mean RH% 

 

Mean temperatures were around
normal until 20th, after which they were 5 degrees or so higher then normal. The only ground frost was on 10th when air temp fell to 2.0C. The highest max temp was 28.3C on 26th, the previous two days achieving slightly below this. Overall, the mean temp was 2.2 degrees above normal.

Rainfall was 105% of normal, with most falling on 1st, between 12th and 20th, and 29th. Dullest days were 6th, 15th to 17th and 29th. Many days had bright sunshine, the best were 4th-5th, 7th-10th,14th, 18th , 22nd-28th.

19.2 mean max (C) 
  8.9 mean min (C) 
14.1 mean (C)  +2.2 diff from av (C)
28.3 high max (C) on 26
10.7 low max (C) on   
14.7 high min (C) on  29 
  2.0 low min (C) on   10

61.2 rain total (mm)
105 % of av 
14 raindays (days with >=0.2mm)
12 wetdays (days with >=1mm)
  4 very wet days (days with >=5mm)

Ground frost on 1 day
Air frost on 0 days

52% cloud cover percent
81% mean RH  

--------------------------

Spring Stats
SEASONAL REPORT FOR SPRING 
Mar, Apr, May 

The second mildest spring, mean temperatures beaten by 2011, mean max was 4th highest, and mean min 2nd highest, in 62 years.
Rainfall was 90.7% of normal, fewer days with small amounts of rain.

               this year   normal   anomaly

HiMax              28.3      28.6    
MeanMax        15.3     13.0        +2.3
LoMax               7.4      -0.6     
MEAN               10.7       8.7        +2.0 
HighMin           14.7     14.7                
MeanMin          6.2       4.3        +1.9
LoMin              -1.4      -11.1                           
 
RAINFALL      156.2     172.0     90.7%

Raindays         38.0      43.0       -5.0
Wet Days         29.0     32.4        -3.4
V Wet Days      12.0     11.4       +0.6

 

A very warm month statistically 1.8degC above normal, especially from 17th to 22nd, and exceeding 30C  on 18th, 19th and 21st. Coolest days were from 4th to 6th .

Rainfall was 75% of normal, totalling 45mm. Most fell on 5th/6th, 2nd and 28th.

Good sunshine on 1st, 3rd, 7th, 9th, 14th to 20th and 24th. Least sunshine 5th, 22nd, 23rd, 28th, 29th.  Windiest days were from 5th to 7th.

21.1 mean max (C) 
12.0 mean min (C) 
16.6 mean (C)  +1.8 diff from av (C)
33.8 high max (C) on 19
13.5 low max (C) on 29
16.8 high min (C) on 20 

 0 ground frosts
0 air frosts

60 cloud cover% 
81 mean RH% 

 

July 2017 August 2017 September 2017

Mean temp 0.7deg higher than normal,
making it 11th mildest July in 62 years, with temperatures falling slightly during the month. Highest max temps were on 5th - 6th, lowest max on 28th.
Rainfall was slightly above normal. Heaviest rainfall was on 11th and 19th-21st, with over 5mm of rain each day from 26th to 29th. Sunniest days were mostly at the beginning of the month, although most hours of bright sunshine were recorded on 17th. Dullest days were 11th, 21st and 28th with no bright sunshine recorded. Windiest days were 21st and 28th.
Overall a pleasant month with good sunny days yet sufficient rainfall for my crops.

22.8 mean max (C) 
12.5 mean min (C) 
17.6 mean (C)  +0.7 diff from av (C)
30.7 high max (C) on 6
17.7 low max (C) on 28
16.1 high min (C) on 9 
  8.1 low min (C) on 17

 

August was slightly cooler and wetter than normal.
No notable extremes of temperature, although very warm 27.8C recorded on 28th. Coolest day was 6.1C on 31st.
Wettest days 5th, 8th to 9th, 17th to 20th , driest periods 10th to 14th and 22nd to 28th.
Sunniest days were 1st, 3rd, 13th, and the dullest were 2nd, 21st, 29th
Thunder was heard on 2 days, 5th and 18th.
2 foggy mornings on 21st and 22nd.


20.8 mean max (C) 
11.5 mean min (C) 
16.1 mean (C)  -0.4 diff from av (C)

27.8 high max (C) on 28
17.0 low max (C) on  30 
15.8 high min (C) on  23 
  6.1 low min (C) on   31

75.4 rain total (mm)
114 % of av 
16 raindays (days with >=0.2mm)
14 wetdays (days with >=1mm)
  6 very wet days (days with >=5mm)

Ground frost on 0 days
Air frost on 0 days
2 days with thunder 5th, 18th
2 days with fog 21st and 22nd
58% cloud cover percent
89% mean RH 

Summer Stats

SEASONAL REPORT FOR SUMMER 
Jun, Jul, Aug 

 A warm summer overall, the mean temperature was 1.1degrees above normal, with July the warmer of the three months. The HiMax 33.8C on 19/6/17 and the LoMin 6.1C both rank 5th highest here since 1956.
Rainfall was 99% of normal, with drier June but wetter July and August than normal.

                 this year   normal    anomaly

HiMax              33.8      
MeanMax        21.6     
   20.5       +1.1
LoMax             13.5                             
MEAN              16.8          15.7       +1.1 
HighMin          16.8                                         MeanMin        12.0          10.9       +1.1
LoMin                6.1                                                                  
 
RAINFALL      195.2        197.0      99%

Raindays        44.0          40.7       +3.3

Wet Days        37.0          0.6        +6.4

V Wet Days     16.0         12.6       +3.4

Oktas                4.8           5.4        -0.6

Bright Sun      404.5      533.3      -129

Mean temp 0.4deg lower than normal, milder at start and finish of the month and cooler in the middle.
Wet month, rain spread right across it, with record number of wet days and 5th equal number of very wet days. Heaviest rainfall fell on 18th then 5th then 11th, 27th and 30th.
Sunniest days were 13th,2nd, 1st,19th and 22nd. Dullest days were 25th, 21st, then 3rd, 10th and 16th.   Windiest days were 11th-13th, then 20th-23rd.

 

 

 

 

October 2017 November 2017 December 2017

October was milder and drier than normal, temperatures above normal until 27th, with ground frosts recorded on 30th and 31st, and a slight air frost on 30th. 
It was the 9th driest month in 62 years here, recording 34.4mm, just 42% of normal. Most rain fell on 19th and 20th. The first half of the month had more sunshine, while dullest days were 18th ,19th and 21st then 24th and 26th. Windiest days were 15th to 17th, and 22nd
The 16th produced the strongest winds as storm Orphelia passed, and Saharan dust gave eerie orange sun in late morning.

 

 34.4 rain total (mm)
42% of av 
16 raindays (>=0.2mm)

0 day with thunder
2 ground frosts
1 air frost 
70 cloud cover% 
91 mean RH%  

November was 0.5degrees cooler and slightly less wet than normal, although it suffered more ground frosts than usual, many days had some rain although half the month’s rain fell in early hours of 4th, during 7th and the evening of 10th.
The month started being milder, then turned cool, then milder and finished with cold few days. Sunniest days were between 3rd and 10th, dullest 20th-22nd. The windiest day was 22nd. Two mornings were foggy, 18th and 20th.

 9.5 mean max (C) 
 3.1 mean min (C) 
 6.3 mean (C)  -0.5 diff from av (C)

13.6 high max (C) on 22
 3.0  low max (C) on  30 
10.9 high min (C) on  22 
 -3.4 low min (C) on   30

59.5 rain total (mm)  81 % of av 

Most rain 21.6mm on 3rd
20 raindays (days with >=0.2mm)
13 wetdays (days with >=1mm)
  3 very wet days (days with >=5mm)

Ground frost on 18 days
Air frost on 6 days
2 days with fog 18 and 20
58% cloud cover percent
92% mean RH  

Autumn Stats
SEASONAL REPORT FOR AUTUMN 
Sep, Oct, Nov 

A slightly milder and drier autumn season than usual.

               this year  normal  anomaly
HiMax               22.4                                        
MeanMax        14.1     13.8       +0.3
LoMax              3.0                                                                                         
MEAN               10.7      10.2       +0.5 
HighMin           14.9                                                    
MeanMin          7.2        6.6        +0.6
LoMin              -3.4                                                                 
 
RAINFALL      194.3     210.8      92%

Raindays        59.0       45.9     +13.1
(5th highest) 
Wet Days        41.0      33.6       + 7.4
(8th highest)
V Wet Days     14.0      13.9      + 0.1
Oktas                5.3        5.5       -  0.2
Bright Sun       233.5    290.8  

 

December was a very wet month, ranking 7th in 63 years here, with 44mm rain falling 25th-26th,  31mm between 7th and 10th  (most of this falling as snow), and 16mm rain falling on 13th-14th.
Snowfall from 8th to 11th accumulated to a depth of 25cm, while a 1cm fall on 27th soon melted. Most fresh snow fell during 10th (12cm) and 11th (11cm).
Although the mean temperature for the month as a whole was statistically “normal” for December, it varied considerably during the month, being mild 2nd-7th, cold 8th – 16th , mild again 17th -  25th, cold 26th – 29th, finishing the month mild once more. Ground frosts occurred 8th –20th and 26th –30th, air frosts 9th – 13th , 16th – 17th, and 28th – 29th.
It was windiest 6th – 8th, and 25th – 31st.
The sunniest day was 11th, dullest 2nd, 5th, 6th, 10th and 17th, and 9 other days had a reasonable amount of sunshine during the day.

 6.7 mean max (C) 
 1.9 mean min (C) 
 4.3 mean (C)   0.0 diff from av (C)

11.7 high max (C) on 20
 -0.1 low max (C) on  10 
  8.7 high min (C) on  21
 -7.0 low min (C) on   12

123.8 rain total (mm)  171 % of av 
(7th wettest December in 62 years)

Most rain was 28.2mm on 26th 
23 raindays (days with >=0.2mm)
(8th highest number of raindays)

16 wetdays (days with >=1mm)
  8 very wet days (days with >=5mm)

Ground frost on 20 days
Air frost on 10 days
3 days with fog 3rd, 22nd, 23rd 
71% cloud cover percent
93% mean RH 

 

 
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