2010 Weather

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2010 Summary

By Month

Jan
Very cold month until 14th, then milder, but cooler again by 30th.
New snowfall totalled 18.5cm, making it the 10th snowiest January.
The lowest temperature -8.7C on 7th, exceeded during the last 30 years only four times.

Feb
February cooler and drier with more foggy mornings than usual
Temperatures were not that extreme this month, the lowest min -3.4C was not particularly low 
but the highest max just 9.6C was the 8th lowest recorded here in last 55 years.

Mar
Overall temperatures normal but a cool dry start and milder wet end to March.
The 7th lowest March min temp -6.7C was recorded on 8th.
Drier than usual, with 9th fewest rain days in 55 years here, wettest from 19th onwards.

Apr
April was the 6th mildest here although 2005/6/7/9 were even milder.
Just one airfrost occurred on 22nd, a modest -0.6C, the 9th highest minimum here.
Rainfall just over half the normal amount, being was wet from 1st-7th and 29th-30th but dry 8th-28th.
Only 9 years have had fewer April raindays.

May
A fairly bright but cool first half to the month followed by a welcome bright sunny and warm spell from 
17th to 27th, especially warm between 21st and 24th with the highest max temp 28.6C recorded on 23rd.

June
A warm month, with max temps exceeding 24C from 21st to 30th. 
Mean temp was fourth highest in 55 years beaten only in 2006,2005 and 1976, 
also the highest low min temp ever recorded here.

July
Although temperatures were just above average the mean 17.6C was the 9th highest 
and just 4 days exceeded 25C.
Rainfall just 39.2mm, 78% of normal, giving the 16th lowest rainfall in 55 years, 
the highest fall was a mere 11mm on 15th.

Aug
A disappointing month, having double normal rainfall spread throughout the month, making it the 2nd 
wettest in last 55 years here, only surpassed by 142mm in 1962.
The 10 wetter days (>5mm) match the highest number of days in 2008, 1992 and 1956.
Cumulative rainfall Jan-Aug was 469.7mm, nearly up to the long term average of 481.4mm, making up for the 
recent drier months, and much more typical than the high totals of 2007,2008 and 2009 at this stage.

Sep
An initial 4 dry days, then rainfall slightly above average and was well spread throughout the month.
There were 2 thunder events, a brief thunderstorm on the 7th with small hail, but on the 23rd a half hour 
spectacular lightning event from a lively slow-moving storm to my north, heading eastwards with much 
cloud to cloud and a few forked lightning strokes, but only a few rumbles of thunder. We missed the flash 
floods reported in Bilston and Darlaston (9 miles N of my station) at around this time.

Oct
A fairly wet month with 53mm rain in first 3 days, then a dry spell, and a further 24mm rain from 18th to 22nd.
Temperatures swung from mild 1st-13th and 27th-31st with above average high max temperatures, 
then cool between 20th and 26th with depressed min and max day values, 
making mean temperatures statistically normal for the month overall.

Nov
An unusual month, starting very mild (7th highest max temp here) but finishing very cold with 
a new record Nov min temp -8.1C on 28th.
There were 10 airfrosts, including all nights from 24th to 30th.
Below average rainfall, most falling between 5th and 8th.
Some early snowfall from 27th to 30th was lower than many parts of UK, totalling only 2.6cm here.

Dec
A record-breaking December!
A new record Mean temp of -0.5C for 56 years here (beating previous record -0.1C in 1981).
A new record lowest HiMax temp of 7.8C (beating 8.9C in 1963).
2nd lowest LoMax temp of -3.4C (only beaten by -3.9C in 1961).
4th lowest LoMin temp of -10.6C (beaten by -14.5C in 1981, -11.1C in 1963 and -11.0C in 2000).


Although statistically a dry month with 40.5mm equivalent rainfall, the 11th driest month in 56 
years, we had the 4th highest snowfall of 19.9cm in 9 days of falling snow 
(beaten only by 37cm in 1981, 28cm in 1990 and 25cm in 1961), 
and the 2nd highest record of 15 snow lying days
 (beaten only by 23 snow days in 1981).

Of the month's 40.5mm precipitation, 18.9cm actually fell as rain 
and the remaining 21.6mm as snow (from the 19.9cm snow falling).

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

Annual figures

TEMPERATURE

13.2 mean max (C)    -0.5 diff from av (C)
5.6 mean min (C)    -0.8 diff from av (C)
9.4 mean (C)            -0.7 diff from av (C)

28.6 high max (C) on 23 May 
-3.4 low max (C) on 19 Dec 
17.2 high min (C) on 27 July 
-10.6 low min (C) on 20 Dec 

RAINFALL

 741.4 rain total (mm)   95.1 % of av 
159 raindays (no. of days with 0.2mm or more)
132 wetdays (no. of days with 1.0mm or more)
28.7 most in a day (mm) on 1 May


SNOWFALL

The year produced snowfall of 52.5cm, the 6th highest in the last 56 years here

PRESSURE

Mean annual pressure 1013.3 mb.
1042.1 mb max pressure at any time of day, on 27 Jan
963.6 mb min pressure at any time of day, on 9 Nov 

FROSTS
There were 73 airfosts (more than the normal 51), 15 foggy mornings fewer than average 20), and 4 days with thunder (fewer than the average 11).


THUNDER 
4 days when thunder heard (0000-2400 GMT)
6 Jun, 20 Aug, 7 Sep, 23 Sep

VISIBILITY 

Fog 4-7, 18, 25 Feb
11 Mar, 2 Jun
1, 20, 29 Nov
6, 28-30 Dec

HUMIDITY
84.6% mean Relative Humidity at 0900

 

 

January 2010 February 2010 March 2010

A very cold month until 14th, then milder but cooler again by 30th.

Mean temperature only 1.5C (2.4 below normal), the coldest since 1987 and ranking 6th coldest in last 55 years of records. 
The lowest temperature was -8.7C on 7th, exceeded during the last 30 years only four times (in 2002, 1985, 1982 and 1979), ranking 15th coldest here.

New snowfall totalled 18.5cm, making it the 10th snowiest January. 

Continuous snow cover (>50%) from 6th to 15th, with 10cm of lying snow recorded on 5th, 6th and 14th.

Precipitation (including snow-melt) was 93% of normal, totalling 69.4mm with 19.2mm falling as snow before 14th, the remaining 50.2mm falling as rain after 14th.

3.7 mean max (C) 
-2.7 diff from av (C)
-0.8 mean min (C) 
-2.2 diff from av (C)
1.5 mean (C)
-2.4 diff from av (C)
8.4 high max (C) on 18th 
-0.5 low max (C) on 7th 
5.2 high min (C) on 19th 
-8.7 low min (C) on 7th 

69.4 rain total (mm)
93.3 % of av 
15 raindays (with >=0.2mm)
11 wetdays (with >=1.0mm)
12.3 most in a day (mm) on 22nd

17 days with air frost (air temp<=-0.1C) from 1st to 10th, 12th to 14th, 21st, 27th, 30th and 31st.

5 days with snow falling
0.3cm on 2nd, 10.0cm on 5th, 0.2cm on 6th, 3.0cm on 10th and 5.0cm on 13th, totalling 18.5cm for January.


11 days with 50% lying snow cover at 0900 on 2nd, then continuously from 6th to 15th

February was cooler and drier with more foggy mornings than usual. 

Temperatures were not that extreme this month, the lowest min -3.4C was not particularly low but the highest max just 9.6C was the 8th lowest recorded here in last 55 years. 

Cloudy but milder 2nd-7th, 14th-16th and 24th-28th, clearer but colder 1st, 8th-13th, 17th-23rd with 11 airfrosts. 

Generally somewhat cheerless, with only a few worthwhile sunny notably on 5th, 11th, 14th and 24th. 
Mean pressure 1002.5mb was the 2nd lowest recorded here.

5.7 mean max (C) 
-1.3 diff from av (C)
0.6 mean min (C) 
-0.8 diff from av (C)
3.2 mean (C)
-1.0 diff from av (C)
9.6 high max (C) on 5th 
2.0 low max (C) on 8th 
5.8 high min (C) on 25th 
-3.4 low min (C) on 11th 

38.1 rain total (mm)
73.6 % of av 
14 raindays (no. of days with >=0.2mm)
12 wetdays (no. of days with >=1.0mm)
9.8 most in a day (mm) on 19th

11 days with air frost on 1st, 3rd, 10th-13th, 17th, 19th-22nd

3 days with sleet/snow falling
3cm on 1st, 4.5cm on 18th and 4cm on 21st 

3 days with 50% snow cover at 0900, on 1st, 19th and 21st

6 days with fog at 0900
on 4th-7th, 18th and 25th

75.4% cloud cover percent
92.0 mean RH at morning observation

1002.5 mean pressure (mb) at 0900
1026.0 max pressure on 13th
979.4 min pressure on 26th

Overall temperatures were normal but a cool dry start and milder wet end to March.

The 7th lowest March min temp -6.7C was recorded on 8th.

Drier than usual, with 9th fewest rain days in 55 years here, wettest from 19th onwards.

Several bright sunny days but many cheerless dull days too.


10.3 mean max (C) 
+0.4 diff from av (C)
2.4 mean min (C) 
-0.7 diff from av (C)
6.4 mean (C)
-0.1 diff from av (C)
14.8 high max (C) on 18th 
4.4 low max (C) on 31st 
9.4 high min (C) on 20th 
-6.7 low min (C) on 8th 

48.4 rain total (mm)
79 % of average 
12 raindays (with >=0.2mm)
11 wetdays (with >=1.0mm)
7.9 most in a day (mm) on 24th


9 days with air frost (1,2,4,5,7,8,11,13 and 16th)

1 day with fog (11th)

April 2010 May 2010 June 2010

April was the 6th mildest here (in the last 55 years), although 2005/6/7/9 were even milder. 
Just one airfrost occurred on 22nd, the temperature a modest -0.6C, the 9th highest minimum here.
Rainfall was just over half the normal amount, and has only been lower in 15 years. 
The month was wet from 1st-7th and again 29th-30th but dry 8th-28th. 
Only 9 years have had fewer April raindays. 
During the dry period, max temperatures were between 14C and 20C, giving some very pleasant sunny days.

15.1 mean max (C) 
+1.7 diff from av (C)
4.5 mean min (C) 
+0.2 diff from av (C)
9.8 mean (C)
+0.9 diff from av (C)
20.3 high max (C) on 24th 
6.4 low max (C) on 1st 
10.5 high min (C) on 29th 
-0.6 low min (C) on 22nd 

33.7 rain total (mm)
56.1 % of av 
8 raindays (no. of days with >=0.2mm)
6 wetdays (no. of days with >=1.0mm)
9.7 most in a day (mm) on 29th

1  air frost ( temp <=-0.1C) on 22nd

A fairly bright but cool first half to the month followed by a welcome bright sunny and warm spell from 17th to 27th, especially warm between 21st and 24th with the highest max temp 28.6C recorded on 23rd.
Rainfall overall was slightly below normal, although only small amounts from 2nd to 31st after heavy rain on 1st brought 60% of the month's rainfall.
Good growing and planting weather with gentle drying breezes!


17.5 mean max (C) 
+0.1 diff from av (C)
7.0 mean min (C) 
-0.4 diff from av (C)
12.3 mean (C)
-0.1 diff from av (C)
28.6 high max (C) on 23rd 
8.7 low max (C) on 8th 
14.4 high min (C) on 20th 
1.2 low min (C) on 13th 

47.6 rain total (mm)
84.1 % of av 
11 raindays (with >=0.2mm)
9 wetdays (with >=1.0mm)
28.7 most in a day (mm) on 1st

A warm month, with max temps exceeding 24C from 21st to 30th. The monthly mean temp was the fourth highest in 55 years of record held, beaten only in 2006,2005 and 1976, also the highest low min temp ever recorded here.
Rainfall was just below normal, virtually all falling 6th-9th and 13th, but dry after that. Thunder rumbled some distance away around 0200 but was closer around 1515 on 6th. Very good ripening weather for soft fruit.


22.5 mean max (C) 
+2.3 diff from av (C)
11.1 mean min (C) 
+0.8 diff from av (C)
16.8 mean (C)
+1.5 diff from av (C)
27.4 high max (C) on 26th 
13.6 low max (C) on 1st 
14.6 high min (C) on 24th 
7.6 low min (C) on 2nd 

53.9 rain total (mm)
87.1 % of av 
9 raindays (with >=0.2mm)
8 wetdays (with >=1.0mm)
15.4 most in a day (mm) on 8th

1 day thunder heard on 6th at 0200 and 1515 

July 2010 August 2010 September 2010

Although temperatures were just above the 30 year average the mean 17.6C was the 9th highest in the last 55 years here, and just 4 days exceeded 25C.
Rainfall just 39.2mm, 78% of normal, giving the 16th lowest rainfall in 55 years, the highest fall a mere 11mm on 15th. 
Cumulative rainfall Jan-July was 330mm, the 10th lowest on record.
Overall an uneventful month, pleasant enough but with no extremes.


21.6 mean max (C) 
-0.7 diff from av (C)
13.6 mean min (C) 
+1.0 diff from av (C)
17.6 mean (C)
+0.1 diff from av (C)
25.8 high max (C) on 1st 
16.6 low max (C) on 13th 
17.2 high min (C) on 27th 
9.7 low min (C) on 6th 

39.2 rain total (mm)
78 % of av 
13 raindays (with >=0.2mm)
11 wetdays (with >=1.0mm)
11.0 most in a day (mm) on 15th

A disappointing month, having double normal rainfall spread throughout the month, making it the 2nd wettest in last 55 years here, only surpassed by 142mm in 1962. 
The 10 wetter days (>5mm) match the highest number of days in 2008, 1992 and 1956.
Cumulative rainfall Jan-Aug was 469.7mm, nearly up to the long term average of 481.4mm, making up for the recent drier months, and much more typical than the high totals of 2007,2008 and 2009 at this stage.
Mean temps were 1.1C below normal, the 10th coolest in 55 years, and the low max 13.1C was the 6th lowest recorded here.

19.6 mean max (C) 
-1.6 diff from av (C)
11.6 mean min (C) 
-0.5 diff from av (C)
15.6 mean (C)
-1.1 diff from av (C)
24.3 high max (C) on 16th,17th 
13.1 low max (C) on 26th 
16.5 high min (C) on 21st 
6.1 low min (C) on 30th 

139.5 rain total (mm)
205 % of av 
15 raindays (with >=0.2mm)
14 wetdays (with >=1.0mm)
26.9 most in a day (mm) on 25th

1 thunder heard on 20th at 1215 

 

After an initial 4 dry days, rainfall was slightly above average this month and was well spread throughout the month. 
There were 2 thunder events, a brief thunderstorm on the 7th with small hail, but on the 23rd a half hour spectacular lightning event from a lively slow-moving storm to my north, heading eastwards with much cloud to cloud and a few forked lightning strokes, but only a few rumbles of thunder. We missed the flash floods reported in Bilston and Darlaston (9 miles N of my station) at around this time.
Temperatures were only slightly above normal, nothing exceptional, and we narrowly missed the forecast ground frost on 25th as temperature fell to 3.4C. 

17.8 mean max (C) 
+0.4 diff from av (C)
10.2 mean min (C) 
+0.2 diff from av (C)
14.0 mean (C)
+0.3 diff from av (C)
22.1 high max (C) on 2nd 
10.9 low max (C) on 24th 
15.6 high min (C) on 11th 
3.4 low min (C) on 25th 

82.4 rain total (mm)
115.0 % of av 
18 raindays (with >=0.2mm)
15 wetdays (with >=1.0mm)
20.2 most in a day (mm) on 6th

2 thunder heard 
7th at 1400 
23rd at 1915 

October 2010 November 2010 December 2010

A fairly wet month with 53mm rain in first 3 days, then a dry spell, and a further 24mm rain between 18th and 22nd. 
Temperatures swung between pleasantly mild and unseasonably cold, being mild from 1st-13th and 27th-31st with above average high max temperatures, but cool between 20th and 26th with depressed min and max day values, making mean temperatures statistically normal for the month overall. 
Just 1 airfrost -1.6C on 25th, but 5 ground frosts recorded on 17th, 20th, 21st, 24th and 26th.

13.9 mean max (C) 
+0.2 diff from av (C)
7.0 mean min (C) 
-0.2 diff from av (C)
10.5 mean (C)
0.0 diff from av (C)
19.0 high max (C) on 10th 
9.5 low max (C) on 20th 
13.5 high min (C) on 9th 
-1.6 low min (C) on 25th 

90.3 rain total (mm)
124.4 % of av 
13 raindays (with >=0.2mm)
11 wetdays (with >=1.0mm)
26.8 most in a day (mm) on 1st

1 air frost 
5 ground frost 

An unusual month, starting very mild (7th highest max temp in 55 years here) but finishing very cold with a new record min temp -8.1C on 28th. 
There were 10 airfrosts, including all nights from 24th to 30th. 
Below average rainfall, most falling between 5th and 8th. 
Snowfall from 27th to 30th was lower than many parts of UK, totalling only 2.6cm. 
Winter has indeed started early this year.

8.0 mean max (C) 
-1.2 diff from av (C)
2.7 mean min (C) 
-1.2 diff from av (C)
5.3 mean (C)
-1.3 diff from av (C)
15.9 high max (C) on 4th 
0.2 low max (C) on 28th 
12.4 high min (C) on 5th 
-8.1 low min (C) on 28th

58.5 rain total (mm)
82.8 % of av 
16 raindays (with >=0.2mm)
12 wetdays (with >=1.0mm)
16.5 most in a day (mm) on 7th

10 days with air frost (air min temp -0.1C or less) on 10th, 15-16th, then 24th-30th

2 days with snow falling on 27th and 30th

3 days with fog at 0900 on 1st, 20th, 29th

 

A record-breaking December!
A new record Mean temp of -0.5C for 56 years here (beating previous record -0.1C in 1981).
A new record lowest HiMax temp of 7.8C (beating 8.9C in 1963).

2nd lowest LoMax temp of -3.4C (only beaten by -3.9C in 1961).
4th lowest LoMin temp of -10.6C (beaten by -14.5C in 1981, -11.1C in 1963 and -11.0C in 2000).

Although it was statistically a dry month with 40.5mm equivalent rainfall, the 11th driest month in 56 years, December produced the 4th highest snowfall of 19.9cm in 9 days of falling snow (beaten only by 37cm in 1981, 28cm in 1990 and 25cm in 1961), and the 2nd highest record of 15 snow lying days (beaten only by 23 snow days in 1981).

Of the month's 40.5mm precipitation, 18.9cm actually fell as rain and the ramaining 21.6mm as snow (from the 19.9cm snow falling).

2.4 mean max (C) 
-4.5 diff from av (C)
-3.3 mean min (C) 
-6.0 diff from av (C)
-0.5 mean (C)
-5.3 diff from av (C)
7.8 high max (C) on 11th 
-3.4 low max (C) on 19th 
5.6 high min (C) on 30th 
-10.6 low min (C) on 20th 

40.5 rain total (mm)
50.4 % of av 
15 raindays (days with >=0.2mm)
11 wetdays (days with >=1.0mm)
11.1 most in a day (mm) on 27th


24 days had an air frost, 1st-10th, 12th-14th and 17th-27th.

4 foggy days on 6th and 28th-30th.

9 days with sleet/snow falling 
on 1,2,3,16,17,18,20,21,22 

15 days with 50% snow cover on 1,2,3,4,17,18,19,20,21,22,23,24,25,26,27 

 
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