Climate Data and Brief Summary for July 2007

Last updated 13th August 2007

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

SCREEN TEMPERATURES °c
                                        Anomaly*       Date
Mean                       14.1          -1.3			
Mean Maximum               17.6          -1.8			
Mean Minimum               10.6          -0.7
High Maximum               22.2                        19th	
Low Minimum                 7.4                         8th
Low Maximum                13.1                        20th
High Minimum               13.4                        14th
Low Grass                   4.4                         8th
Air Frosts                   0            0
Ground Frosts                0            0
Hours of Frost             00.0

Barometric pressure, 24 hour observations (mbar)
Mean                      1008.6          -7.7			(RECORD)
Maximum                   1020.3                       30th                               
Minimum                    995.8                        1st

PRECIPITATION (mm)
Total                      147.9        +92.6 			(RECORD)                                         
Rain days (0.2mm or more)   25          +11			(RECORD)                                           
Wet days (1.0mm or more)    21          +10 			(RECORD)
Maximum Fall                21.9                       13th
Rainfall duration (hrs.)    66.8
 
SUNSHINE

Sun Hours                  119.8        -43.7			
Maximum day                 14.3                       31st
Nil Sun Days                 4

HUMIDITY %

Mean                        84.5
Dry days (60% or less)      12                                                  

WIND (mph)

24hour mean                  4.6
09.00 mean                   5.8
Maximum gust                35.0                        6th 
%North                       7
%North East                  2
%East                        7
%South East                  5
%South                      10
%South West                 23
%West                       22
%North West                 28
%Calm                        0
Hours of calm               46.0

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                         2
Thunder                      2
Fog (09.00)                  0

Brief summary of the month:
July 2007 was almost the complete oposite of July 2006!
It was the coolest since 1993 and the wettest on record,
with 267% of the average rainfall. Rain days & wet days
were also the most recorded for July and the month also
recorded the lowest mean pressure on record. Sunshine 
totals were well below average, in fact the dullest 
since 1998 with just 73% of the average. 


All data taken at 220 metres above sea level


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