Climate Data and Brief Summary for Winter 2005

Last updated 19th March 2005

*Anomalies are based on averages for the period 1971-2000

SCREEN TEMPERATURES °c
                                        Anomaly*       Date
Mean                        4.3          +0.9
Mean Maximum                6.6          +0.7
Mean Minimum                1.9          +1.0
High Maximum               12.2                        10th January
Low Minimum                -4.4                        28th February
Low Maximum                 0.6                        26th December
High Minimum                8.9                         7th January
Low Grass                  -8.0                        27th December
Air Frosts                  26           -7
Ground Frosts               43          -11 
Hours of Frost            203.0

Barometric pressure, 24 hour observations (mbar)
Mean                      1018.5         +4.7
Maximum                   1036.0                        3rd February                               
Minimum                    992.4                       25th December

PRECIPITATION (mm)
Total                      154.0        -46.2                                           
Rain days (0.2mm or more)   49           -4                                            
Wet days (1.0mm or more)    33           -6 
Maximum Fall                15.3                       22nd December
Rainfall duration (hrs.)   139.0
 
SUNSHINE

Sun Hours                  172.1        +33.7		
Maximum day                  7.5                       16th February
Nil Sun Days                22

HUMIDITY %

Mean                        89.8
Dry days (60% or less)       2                                                  

WIND (mph)

24hour mean                  4.9
09.00 mean                   4.8
Maximum gust                52.0                        8th January 
%North                      10.9
%North East                  5.2
%East                        1.7
%South East                  6.2
%South                       8.9
%South West                 19.0
%West                       21.4
%North West                 22.4
%Calm                        4.3
Hours of calm              212.0

MISCELLANEOUS

Days with:

Sleet/Snow                  18            0            
Snow lying (09.00)          12           -2
Maximum depth (cm)           8.0                       25th December   
Total snow depth (cm)       18.1
Hail                         9           +5
Thunder                      2           +1
Fog (09.00)                  4           -8

Brief summary of the month:
Winter 2005 was the warmest since 1998 making it seven mild Winters in 
the last eight years. It was sunny yet again making it eight Winters 
in a row with above average sunshine, though it was the dullest since
1998. Rainfall totals were well below average, the driest since 1997. 
Snowfall was more frequent than last year but amounts were again
mostly small. So to sum up, it was a sunny, mild but very dry Winter.

All data taken at 220 metres above sea level


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