Climate Data and Brief Summary for September 2005

Last updated 30th October 2005

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

SCREEN TEMPERATURES °c
                                        Anomaly*       Date
Mean                       14.0          +1.5
Mean Maximum               17.7          +1.6
Mean Minimum               10.3          +1.4
High Maximum               24.8                         4th
Low Minimum                 3.2                        17th
Low Maximum                11.6                        28th
High Minimum               15.6                         8th
Low Grass                  -1.1                        17th
Air Frosts                   0            0
Ground Frosts                2           +1
Hours of Frost              0.0

Barometric pressure, 24 hour observations (mbar)
Mean                      1015.9         +1.6
Maximum                   1026.8                        3rd                               
Minimum                   1006.5                       25th

PRECIPITATION (mm)
Total                       66.1         -3.5                                            
Rain days (0.2mm or more)   17           +2                                             
Wet days (1.0mm or more)    12           +1 
Maximum Fall                19.0                       30th
Rainfall duration (hrs.)    33.2
 
SUNSHINE

Sun Hours                  153.6        +41.6
Maximum day                 13.2                        2nd
Nil Sun Days                 5

HUMIDITY %

Mean                        81.9
Dry days (60% or less)      14                                                  

WIND (mph)

24hour mean                  3.8
09.00 mean                   3.9
Maximum gust                35.0                       27th 
%North                       5
%North East                  0
%East                        3
%South East                 25
%South                      12
%South West                 23
%West                       10
%North West                 22
%Calm                        0
Hours of calm               86.5

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                      0
Fog (09.00)                  0

Brief summary of the month:
September 2005 was another warmer than average month, the warmest since 1999.
It was also the 5th sunniest on record behind 2003, 2002, 1991 and 1971 with 
137% of the average. Rainfall totals were just below average with 95%, making
it the driest since 2003.

All data taken at 220 metres above sea level


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