Wednesday 2 January 2013

2012 - A Terrible Year's Weather


A Yearly Summary for period January 1st to December 31st 2012

January 2nd - A Showery Start


Temperature (°C):

Mean (1 minute)  9.8
Mean (min+max)   10.1
Mean Minimum     6.4
Mean Maximum     13.7
Minimum          -20.6 on 07/02/2012
Maximum          26.7 on 15/03/2012
Highest Minimum  21.1 on 18/06/2012
Lowest Maximum   -6.8 on 07/02/2012
Air frosts       41
Rainfall (mm):
Total for period 777.0
Wettest day      371.4 on 16/03/2012
High rain rate   165.6 day 08/08/2012
Rain days        79
Wind (km/h):
Highest Gust     45.4 on 05/01/2012
Average Speed    1.2
Wind Run         2045.4 km
Pressure (mb):
Maximum          1048.1 on 07/03/2012
Minimum          1002.4 on 23/10/2012
December 29th - Sunshine At Last!!


Month by Month
January 31st - A Frosty Finish


Summary for January 2012
Temperature (°C):
Mean (1 minute)  5.4
Mean (min+max)   5.6
Mean Minimum     1.2
Mean Maximum     10.0
Minimum          -6.8 day 31
Maximum          14.8 day 10
Highest Minimum  8.7 day 04
Lowest Maximum   1.6 day 31
Air frosts       14


Rainfall (mm):
Total for month  37.8
Wettest day      30.0 day 05
High rain rate   25.2 day 05
Rain days        12
Wind (km/h):
Highest Gust     45.4 day 05
Average Speed    1.5
Wind Run         982.3 km
Pressure (mb):
Maximum          1046.0 day 10
Minimum          1022.6 day 05

February 7th - The Coldest Day


Summary for February 2012
Temperature (°C):
Mean (1 minute)  0.0
Mean (min+max)   -0.4
Mean Minimum     -7.1
Mean Maximum     6.2
Minimum          -20.6 day 07
Maximum          18.6 day 24
Highest Minimum  3.3 day 29
Lowest Maximum   -6.8 day 07
Air frosts       19


Rainfall (mm):
Total for month  12.6
Wettest day      8.1 day 20
High rain rate   54.0 day 25
Rain days        5
Wind (km/h):
Highest Gust     33.1 day 29
Average Speed    0.9
Wind Run         363.1 km
Pressure (mb):
Maximum          1047.4 day 29
Minimum          1024.3 day 29

March 7th - The Potager


Summary for March 2012
Temperature (°C):
Mean (1 minute)  10.4
Mean (min+max)   11.6
Mean Minimum     3.7
Mean Maximum     19.4
Minimum          -4.7 day 04
Maximum          26.7 day 15
Highest Minimum  17.3 day 17
Lowest Maximum   10.6 day 01
Air frosts       5


Rainfall (mm):
Total for month  395.1
Wettest day      371.4 day 16
High rain rate   81.0 day 12
Rain days        8

Wind (km/h):
Highest Gust     33.1 day 04
Average Speed    1.7
Wind Run         449.2 km
Pressure (mb):
Maximum          1048.1 day 07
Minimum          1023.8 day 16
April - Sunshine and Showers [and, yes, the Walnut is that bent!!]


Summary for April 2012
Temperature (°C):
Mean (1 minute)  16.7
Mean (min+max)   16.4
Mean Minimum     14.2
Mean Maximum     18.6
Minimum          9.6 day 11
Maximum          25.6 day 05
Highest Minimum  18.8 day 18
Lowest Maximum   12.4 day 11
Air frosts       0
 

Rainfall (mm):
Total for month  9.9
Wettest day      6.0 day 26
High rain rate   50.4 day 26
Rain days        3
Wind (km/h):
Highest Gust     17.3 day 18
Average Speed    0.5
Wind Run         9.5 km


Pressure (mb):
Maximum          1028.1 day 02
Minimum          1021.6 day 26
May - The Storms Continue.


Summary for May 2012
Temperature (°C):
Mean (1 minute)  17.7
Mean (min+max)   17.7
Mean Minimum     16.0
Mean Maximum     19.3
Minimum          12.4 day 12
Maximum          23.4 day 19
Highest Minimum  18.8 day 21
Lowest Maximum   15.7 day 07
Air frosts       0

Rainfall (mm):
Total for month  9.6
Wettest day      4.2 day 19
High rain rate   50.4 day 14
Rain days        6
Wind (km/h):
Highest Gust     14.8 day 28
Average Speed    0.8
Wind Run         13.4 km
Pressure (mb):
Maximum          1029.6 day 06
Minimum          1022.1 day 21

June 21st - The Longest Day


Summary for June 2012
Temperature (°C):
Mean (1 minute)  17.7
Mean (min+max)   18.1
Mean Minimum     16.4
Mean Maximum     19.8
Minimum          13.4 day 26
Maximum          24.6 day 18
Highest Minimum  21.1 day 18
Lowest Maximum   14.5 day 27
Air frosts       0


Rainfall (mm):
Total for month  16.2
Wettest day      10.2 day 22
High rain rate   50.4 day 07
Rain days        8
Wind (km/h):
Highest Gust     11.2 day 07
Average Speed    0.1
Wind Run         1.0 km
Pressure (mb):
Maximum          1026.5 day 07
Minimum          1015.5 day 29
July 7th - A Cauliflower Omen.... but they haven't hearted up yet!!


Summary for July 2012
Temperature (°C):
Mean (1 minute)  12.7
Mean (min+max)   12.9
Mean Minimum     11.2
Mean Maximum     14.6
Minimum          6.8 day 29
Maximum          28.1 day 03
Highest Minimum  15.6 day 01
Lowest Maximum   8.7 day 26
Air frosts       0


Rainfall (mm):
Total for month  15.0
Wettest day      5.1 day 12
High rain rate   36.0 day 03
Rain days        6

Wind (km/h):
Highest Gust     14.8 day 12
Average Speed    0.8
Wind Run         9.7 km
Pressure (mb):
Maximum          1025.7 day 26
Minimum          1013.2 day 12
August 4th - Another Cold Bright Morning!


Summary for August 2012
Temperature (°C):

Due to a loss of data
there are no temperature records for August

  
Minimum         
Maximum         
Highest Minimum 
Lowest Maximum  
Air frosts       0



Rainfall (mm):
Total for month  30.3
Wettest day      14.1 day 19
High rain rate   165.6 day 08
Rain days        8

Wind (km/h):
Highest Gust     14.8 day 22
Average Speed    0.4
Wind Run         5.8 km
Pressure (mb):
Maximum          1021.6 day 05
Minimum          1003.4 day 19

September 3rd - More Cold Misty Mornings - good for pictures... not for plants.
A ground frost a fortnight later had us barrowing in the Pumkin crop!!


Summary for September 2012
Temperature (°C):
Mean (1 minute)  13.3
Mean (min+max)   13.2
Mean Minimum     11.5
Mean Maximum     14.8
Minimum          0.4 day 02
Maximum          29.7 day 29
Highest Minimum  15.8 day 29
Lowest Maximum   11.9 day 22
Air frosts       2

Rainfall (mm):
Total for month  7.8
Wettest day      3.6 day 13
High rain rate   21.6 day 13
Rain days        4
Wind (km/h):
Highest Gust     17.3 day 06
Average Speed    0.7
Wind Run         11.2 km
Pressure (mb):
Maximum          1020.3 day 02
Minimum          1010.8 day 13
October 5th - Cold, Misty and Damp


Summary for October 2012
Temperature (°C):
Mean (1 minute)  12.1
Mean (min+max)   12.2
Mean Minimum     10.2
Mean Maximum     14.2
Minimum          0.2 day 29
Maximum          22.4 day 23
Highest Minimum  15.6 day 11
Lowest Maximum   1.0 day 29
Air frosts       0



Rainfall (mm):
Total for month  84.6
Wettest day      49.8 day 23
High rain rate   149.4 day 06
Rain days        7
Wind (km/h):
Highest Gust     31.7 day 23
Average Speed    0.3
Wind Run         15.7 km


Pressure (mb):
Maximum          1038.7 day 31
Minimum          1002.4 day 23
November 3rd - Who Spilt The Coffee?
The already water-logged ground from the October rain couldn't take any more...
so the flood plain did its work!!


Summary for November 2012
Temperature (°C):
Mean (1 minute)  7.2
Mean (min+max)   8.4
Mean Minimum     3.8
Mean Maximum     12.9
Minimum          -0.3 day 04
Maximum          17.7 day 10
Highest Minimum  11.2 day 28
Lowest Maximum   1.8 day 02
Air frosts       3



Rainfall (mm):
Total for month  87.6
Wettest day      78.0 day 17
High rain rate   16.2 day 26
Rain days        6
Wind (km/h):
Highest Gust     30.6 day 10
Average Speed    0.5
Wind Run         112.5 km
Pressure (mb):
Maximum          1040.6 day 06
Minimum          1007.5 day 28
December 15th - The Remillion washes out the grazing meadow.
Three weeks earlier, the beasts were up to their hocks in mud in this field!!


Summary for December 2012
Temperature (°C):
Mean (1 minute)  10.4
Mean (min+max)   10.4
Mean Minimum     8.4
Mean Maximum     12.3
Minimum          4.5 day 28
Maximum          16.2 day 29
Highest Minimum  11.7 day 01
Lowest Maximum   8.5 day 10
Air frosts       0



Rainfall (mm):
Total for month  75.8
Wettest day      18.9 day 28
High rain rate   113.4 day 12
Rain days        6
Wind (km/h):
Highest Gust     40.3 day 28
Average Speed    1.9
Wind Run         72.0 km
Pressure (mb):
Maximum          1030.7 day 16
Minimum          1006.9 day 01
December 29th - A Cold Bright Morning!
Hopefully 2013 will bring us better weather!

Pauline wasn't sure about the max temperature for August and September... I checked against the actual readings and discovered we had no temperature data for August!
We definately had a 30°C day...
But it is those average [mean] temperatures that show the overall chill of this year... we've not worn "Summer" clothes much at all... and whilst the crops grew... many went straight to seed in an effort to reproduce and survive!! Nothing could be said to have thrived!

5 comments:

Susan said...

I am flabbergasted by some of these records -- over all your data supports my impression of a cool summer and a mild damp autumn winter, but when I look at the details I am sure we live on different planets! Your microclimate is definitely different to the surrounding area. For instance -- March, which I have noted was hot and dry is by far your wettest month! I seriously wondered if you had accidentally reversed the figures for March and April. I am also surprised at how low your wind gust figures are for months like Oct. I don't keep such detailed records as you, but I've written a report linking weather and wildlife scheduled for next Monday.

Niall & Antoinette said...

Interesting stuff. We don't keep records but do take note of events here and there.
Overall we have a 'feel' that it was cool and wet with the odd 'spike' of warm/hot. March had some very nice weather. We definitely had a day in August when the temp was touching 40C in the shade, north side of the house.
Our coldest wasn't as drastic as yours more around -12/15C and I know we had higher winds--but then we are on a ridge :-)

Tim said...

Part of the difference Susan, may well be down to the more open and wider Claise Valley and the much narrower, heavily wood-sided Aigronne Valley.

The wind gust figures could well be low... we only have two arms on the whirly... there should be three!! But our valley lies across the prevailing wind direction... so we are more sheltered by the woods along the ridges either side than a more exposed open valley or ridge situation. Another thing might be the open, soft nature of our countryside... there is not the channeling of the wind that occurs in a more built up area... we used to have some incredible winds up at the allotments... but those were channeled between blocks of Nth/Sth terraces that funneled and concentrated the prevailing wind.

What I didn't have to do was to spend too much time choosing pictures to match the weather...

Whilst we had sunshine, it seemed to be in the early morning / late evening... nice to get up to... and nice at apero time... but not good for crops.

There was the hot, sunny weather Niall and Antoinette, that came with the drought spell... and that was in August... it was also while the lap-top was "in dock" so the older info in the weather station got over-written by successive new ones.

Colin and Elizabeth said...

Well you did warn us it would make sad reading....

A fascinating resource which must have taken quite some dedication to compile!

Tim said...

The only difficulty in getting the readings was working my way month by month through the table that Cumulus generated from the weather station readings.

And the trickiest bit, because I had created a table using Dreamweaver to display the results, was getting the pictures in the right places... I had to do it in the HTML editor, where the interface is more restrictive, and then do the sizing and captions the normal way... with a picture for each month it took a while... so much so that Pauline came over to the longère to find out if I was alright!!