Climate Data and Brief Summary for Winter 2002

Last updated 24th March 2002

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

SCREEN TEMPERATURES °c
                                        Anomaly*       Date
Mean                        4.1          +0.7
Mean Maximum                6.7          +0.9
Mean Minimum                1.6          +0.7
High Maximum               12.5                        11th February
Low Minimum                -6.6                         1st January
Low Maximum                -1.2                         4th January
High Minimum                8.6                        11th February
Low Grass                  -9.4                        11th January
Air Frosts                  29           -4
Ground Frosts               50           -4 
Hours of Frost            294.5

Barometric pressure, 24 hour observations (mbar)
Mean                      1013.4         -0.4
Maximum                   1041.2                       17th December                               
Minimum                    977.9                       16th February

PRECIPITATION (mm)
Total                      206.3         -1.1                                           
Rain days (0.2mm or more)   60           +7                                            
Wet days (1.0mm or more)    39            0 
Maximum Fall                15.0                       19th February
Rainfall duration (hrs.)   162.8
 
SUNSHINE

Sun Hours                  196.2        +57.6		
Maximum day                  8.9                       27th February
Nil Sun Days                26

HUMIDITY %

Mean                        90.4
Dry days (60% or less)       4                                                  

WIND (mph)

24hour mean                  7.9
09.00 mean                   8.1
Maximum gust                71.0                       26th February 
%North                       5.7
%North East                  0.0
%East                        1.1
%South East                 16.2
%South                      15.5
%South West                 27.0
%West                       10.1
%North West                 11.2
%Calm                       13.2
Hours of calm              498.5

MISCELLANEOUS

Days with:

Sleet/Snow                  11           -7            
Snow lying (09.00)           9           -5
Maximum depth (cm)           3.0                       30th December   
Total snow depth (cm)        4.0
Hail                         6           +2
Thunder                      0           -1
Fog (09.00)                  8           -4

Brief summary of the month:
Winter 2002 was the warmest since 1999, and the second sunniest on 
record just behind 2001. In fact the last 3 winters are the sunniest on 
record. Rainfall totals were just below average, the driest since 1998. 
Snowfall was very limited with sleet falling on most of the snow falling 
days recorded. So to sum up, it was sunny and mild with average rainfall.

All data taken at 220 metres above sea level


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