Climate Data and Brief Summary for Autumn 2003

Last updated 4th December 2004

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

SCREEN TEMPERATURES °c
                                        Anomaly*       Date
Mean                        9.2          +0.1
Mean Maximum               12.9          +0.7
Mean Minimum                5.5          -0.5
High Maximum               23.9                        17th September
Low Minimum                -3.3                        24th November
Low Maximum                 5.6                     22/23rd November
High Minimum               14.4                        19th September
Low Grass                  -5.0                        24th November
Air Frosts                   8           +1
Ground Frosts               22           +2 
Hours of Frost             31.5

Barometric pressure, 24 hour observations (mbar)
Mean                      1014.0        +0.6		
Maximum                   1030.2                       16th October                               
Minimum                    977.9                       31st November

PRECIPITATION (mm)
Total                      148.6        -77.8                                          
Rain days (0.2mm or more)   53           +3                                            
Wet days (1.0mm or more)    37            0 
Maximum Fall                39.3                        9th September
Rainfall duration (hrs.)   163.6
 
SUNSHINE

Sun Hours                  357.2       +101.9
Maximum day                 11.9                       13th September
Nil Sun Days                14

HUMIDITY %

Mean                        85.3
Dry days (60% or less)      29                                                  

WIND (mph)

24hour mean                  4.0
09.00 mean                   3.8
Maximum gust                40.0                       14th November 
%North                       3.3
%North East                  0.5
%East                        1.6
%South East                 27.0
%South                      14.3
%South West                 15.9
%West                       15.4
%North West                 14.3
%Calm                        7.7
Hours of calm              367.0

MISCELLANEOUS

Days with:

Sleet/Snow                   0           -2            
Snow lying (09.00)           0           -1
Maximum depth (cm)           0.0                          
Total snow depth (cm)        0.0			
Hail                         1           -1
Thunder                      1            0
Fog (09.00)                  5           -4

Brief summary of the month:
Autumn 2003 was the coolest since 1998. It was the sunniest
since 1971 and the driest since 1988.

All data taken at 220 metres above sea level


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