Climate Data and Brief Summary for Spring 2007

Last updated 14th June 2007

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

SCREEN TEMPERATURES °c
                                        Anomaly*       Date
Mean                        9.2          +1.6		(RECORD)	  
Mean Maximum               13.4          +2.2		(RECORD)
Mean Minimum                4.9          +0.9		(RECORD)
High Maximum               22.0                        15th April 
Low Minimum                -3.2                        21st March
Low Maximum                 4.4                        20th March
High Minimum               12.1                        24th April
Low Grass                  -6.1                        21st March
Air Frosts                   6           -5
Ground Frosts               26           -7 
Hours of Frost             22.2

Barometric pressure, 24 hour observations (mbar)
Mean                      1015.3        +1.8
Maximum                   1031.5                       13th March                               
Minimum                    994.7                       18th March

PRECIPITATION (mm)
Total                      157.2        -21.8		                                           
Rain days (0.2mm or more)   40           -6                                            
Wet days (1.0mm or more)    21          -14
Maximum Fall                26.4                       13th May
Rainfall duration (hrs.)   109.7
 
SUNSHINE

Sun Hours                  507.0       +133.1		(RECORD)	
Maximum day                 13.2                        2nd May
Nil Sun Days                 6

HUMIDITY %

Mean                        78.7
Dry days (60% or less)      52                                                  

WIND (mph)

24hour mean                  4.4
09.00 mean                   5.3
Maximum gust                39.0                      18th March
%North                      11.0
%North East                  8.0
%East                       13.0
%South East                  9.0
%South                       7.0
%South West                 12.0
%West                       27.0
%North West                 13.0
%Calm                        0.0
Hours of calm              122.3

MISCELLANEOUS

Days with:

Sleet/Snow                   4           -3    
Snow lying (09.00)           2           -1
Maximum depth (cm)          10.0                      19th March       
Total snow depth (cm)       10.0		       	
Hail                         5           -1
Thunder                      2           -2
Fog (09.00)                  2           -2

Brief summary of the month:
Spring 2007 was the warmest on record (1960-2007), 
beating the record set in 2003. It was the driest
since 2005 with 88% of the average rainfall. It 
was also the sunniest Spring on record with 
136% of the average, also beating the 2003
record. 

All data taken at 220 metres above sea level


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