Climate Data and Brief Summary for April 2007

Last updated 14th June 2007

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

SCREEN TEMPERATURES °c
                                        Anomaly*       Date
Mean                       10.4          +3.3			(RECORD)
Mean Maximum               15.3          +4.5			(RECORD)
Mean Minimum                5.6          +2.1			(RECORD)
High Maximum               22.0                        15th 
Low Minimum                 1.4                        19th
Low Maximum                 8.1                         3rd
High Minimum               12.1                        24th
Low Grass                  -1.2                        19th
Air Frosts                   0           -4
Ground Frosts                6           -5
Hours of Frost              0.0

Barometric pressure, 24 hour observations (mbar)
Mean                      1021.7          7.4
Maximum                   1030.7                        1st                               
Minimum                   1010.4                       24th

PRECIPITATION (mm)
Total                       13.8         -42.0                                          
Rain days (0.2mm or more)    6            -8                                            
Wet days (1.0mm or more)     3            -7 
Maximum Fall                 7.0                       23rd
Rainfall duration (hrs.)    19.6
 
SUNSHINE

Sun Hours                  228.7        +105.3			(RECORD)
Maximum day                 12.9                       30th
Nil Sun Days                 1

HUMIDITY %

Mean                        74.6
Dry days (60% or less)      23                                                  

WIND (mph)

24hour mean                  3.7
09.00 mean                   4.2
Maximum gust                30.0                    19/25th 
%North                      10
%North East                 10
%East                       19
%South East                 10
%South                       8
%South West                  7
%West                       18
%North West                 18
%Calm                        0
Hours of calm               50.0

MISCELLANEOUS

Days with:

Sleet/Snow                   0           -3
Snow lying (09.00)           0           -2
Maximum depth (cm)           0.0   
Total snow depth (cm)        0.0
Hail                         0
Thunder                      0
Fog (09.00)                  1

Brief summary of the month:
April 2007 was the warmest on record by some distance! It was also the driest
since 1984 with just 25% of the monthly average. Sunshine totals were almost 
double the average (185%) making it the sunniest on record, again by some
distance. So to sum up it was sunny, very warm and dry!   


All data taken at 220 metres above sea level


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