Climate Data and Brief Summary for Summer 2003

Last updated 2nd September 2003

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

SCREEN TEMPERATURES °c
                                        Anomaly*       Date
Mean                       16.2          +1.7
Mean Maximum               20.5          +2.0
Mean Minimum               11.9          +1.4
High Maximum               31.3                         9th August
Low Minimum                 5.2                        30th August
Low Maximum                14.2                         1st July
High Minimum               17.4                         5th August
Low Grass                   2.2                        30th August
Air Frosts                   0            0
Ground Frosts                0           -1 
Hours of Frost              0.0

Barometric pressure, 24 hour observations (mbar)
Mean                      1014.9        -1.3
Maximum                   1023.0                        4th August                              
Minimum                    998.5                        1st July

PRECIPITATION (mm)
Total                      149.2        -48.5                                           
Rain days (0.2mm or more)   40           -1                                            
Wet days (1.0mm or more)    23           -9 
Maximum Fall                19.5                       17th July
Rainfall duration (hrs.)    85.4
 
SUNSHINE

Sun Hours                  498.1        +35.5
Maximum day                 14.7                        13th July
Nil Sun Days                 5

HUMIDITY %

Mean                        77.3
Dry days (60% or less)      58                                                  

WIND (mph)

24hour mean                  3.7
09.00 mean                   4.1
Maximum gust                34.0                       21st July 
%North                       2.1
%North East                  0.0
%East                        1.1
%South East                 28.3
%South                       9.8
%South West                 21.2
%West                       15.7
%North West                 21.7
%Calm                        0.1
Hours of calm              311.6

MISCELLANEOUS

Days with:

Sleet/Snow                   0            0            
Snow lying (09.00)           0            0
Maximum depth (cm)           0.0                          
Total snow depth (cm)        0.0
Hail                         0           -1
Thunder                      4           -2
Fog (09.00)                  2           +1

Brief summary of the month:
Summer 2003 was the second equal warmest on record with 1995.
It was the driest since 1996 and the sunniest since 1999.


All data taken at 220 metres above sea level


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