Climate Data and Brief Summary for July 2002

Last updated 3rd August 2002

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

SCREEN TEMPERATURES °c
                                        Anomaly*       Date
Mean                       14.9          -0.5
Mean Maximum               18.7          -0.7
Mean Minimum               11.0          -0.3
High Maximum               26.9                        29th
Low Minimum                 6.5                         6th
Low Maximum                12.1                         1st
High Minimum               15.5                        30th
Low Grass                   3.8                         6th
Air Frosts                   0            0
Ground Frosts                0            0
Hours of Frost             00.0

Barometric pressure, 24 hour observations (mbar)
Mean                      1014.8         -1.5
Maximum                   1027.5                       14th                               
Minimum                    997.2                        2nd

PRECIPITATION (mm)
Total                       93.0        +37.7                                          
Rain days (0.2mm or more)   17           +4                                            
Wet days (1.0mm or more)    15           +5 
Maximum Fall                21.6                        5th
Rainfall duration (hrs.)    64.9
 
SUNSHINE

Sun Hours                  126.7        -36.8
Maximum day                 12.5                       13th
Nil Sun Days                 4

HUMIDITY %

Mean                        80.9
Dry days (60% or less)      15                                                  

WIND (mph)

24hour mean                  2.5
09.00 mean                   3.0
Maximum gust                30.0                        2nd
%North                       0
%North East                  0
%East                        2
%South East                  5
%South                       0
%South West                 38
%West                       11
%North West                 34
%Calm                       10
Hours of calm              165.0

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                         1
Thunder                      2
Fog (09.00)                  0

Brief summary of the month:
July 2002 was very similar to July 2000, dull and wet with temperatures below 
average. Rainfall was well above average at 168%, while sunshine totals were well
below average at only 77%. It was the coolest, dullest and wettest July since 2000. 


All data taken at 220 metres above sea level


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