Climate Data and Brief Summary for September 2006

Last updated 29th October 2006

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

SCREEN TEMPERATURES °c
                                        Anomaly*       Date
Mean                       15.7          +3.2			(RECORD)
Mean Maximum               19.4          +3.3			(RECORD)
Mean Minimum               12.0          +3.1			(RECORD)
High Maximum               26.2	                	21st	(RECORD)
Low Minimum                 7.2                         8th
Low Maximum                15.8                        29th
High Minimum               15.6                        13th
Low Grass                   3.3                         8th
Air Frosts                   0            0
Ground Frosts                0           -1
Hours of Frost              0.0

Barometric pressure, 24 hour observations (mbar)
Mean                      1010.2         -4.2
Maximum                   1029.5                        8th                               
Minimum                    999.9                       21st

PRECIPITATION (mm)
Total                       82.6         +13.0                                            
Rain days (0.2mm or more)   15            0                                             
Wet days (1.0mm or more)    11            0 
Maximum Fall                31.8                       14th
Rainfall duration (hrs.)    23.3
 
SUNSHINE

Sun Hours                  155.1        +43.1
Maximum day                 10.8                        8th
Nil Sun Days                 2

HUMIDITY %

Mean                        81.0
Dry days (60% or less)      11                                                  

WIND (mph)

24hour mean                  4.5
09.00 mean                   4.8
Maximum gust                40.0                        2nd 
%North                       3
%North East                  0
%East                        7
%South East                 28
%South                      17
%South West                 25
%West                        7
%North West                 23
%Calm                        0
Hours of calm               92.0

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                         0
Thunder                      2
Fog (09.00)                  1

Brief summary of the month:
September 2006 was the warmest on record and by some distance. The 21st
also produced the warmest September day on record. It was also the sunniest
since 2003 with 138% of the average but the wettest since 2000 with 119%
though a couple of thunderstorms did account for almost half the total
rainfall. 


All data taken at 220 metres above sea level


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