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graphs CLIMATE-UK.COM'S REVIEW OF THE BRITISH METEOROLOGICAL SCENE
MONTHLY SUMMARY
No. 594 For JUNE 2005
COOL FIRST HALF, VERY WARM SECOND HALF. THUNDERY FINAL WEEK.
Text Box: High pressure dominated the months weather although there were brief cyclonic episodes from 1st-5th, 12th-16th, and 29th-30th. The anticyclones which prevailed during the earlier part of the month were of Arctic origin, but after mid-month they were extensions of the sub-tropical high.  Mean sea-level pressure was mostly 1 to 2mbar above the norm over the British Isles and the anomalous flow over the UK was weakly southeasterly.

The first five days of June were cool, cloudy and very unsettled as a complex low pressure area, initially west of Scotland, transferred slowly eastwards to the Baltic. Rain was heavy and persistent in northwestern Britain, and Broadford (Skye) collected 51mm on the 1st-2nd; there were thunderstorms over much of England on the 3rd and further heavy rain in northeast England and southeast Scotland on the 4th.

High pressure from Greenland lay over or to the northwest of the UK from the 6th to the 12th, reaching its most intense phase on the 8th when 1039.1mbar was recorded at Little Rissington (Glos), the highest anywhere in the UK in June since 1962. It was often sunny by day, although eastern and central districts were cloudy again from the 10th-12th; on the 9th a maximum of 23C was reached locally but other days were very cool and on the 12th Boltshope Park (Durham) reported a maximum of just 8.0C. Nights were very cold with widespread ground frost, and air minima included -1.4C at Altnaharra (Sutherland) on the 6th and -1.1C at both Aboyne (Aberdeenshire) and Shap (Cumbria) on the 7th. The anticyclone retreated northwards on the 12th, allowing depressions to cross the country, first from the northeast, and later from the southwest. From the 13th-16th the weather was cloudy with outbreaks of rain, but it did become progressively warmer.

A southwesterly flow introduced tropical air on the 16th, and high pressure cells crossed southern Britain on the 17th-18th and 20th-23rd. The weather became hot and Text Box: sunny especially in southern, central and eastern districts,the temperature reaching 32.6C at Heathrow on the 19th, the highest recorded under standard conditions in the UK in June since 1996, 31.3C at Northolt (London) on the 23rd, and 31.7C at Herne Bay (Kent) on the 24th. Minima of 19-21C occurred widely on the mornings of the 19th, 20th and 24th establishing several new station records although the national record was not broken. Thunderstorms broke out widely on several days: in SW and central Scotland on the 18th; in Wales, the Midlands and northern England on the 19th; in the Home Counties and East Anglia on the 20th, and across many parts of England and Wales on the 24th. Serious flooding hit Ryedale and neighbouring valleys in North Yorkshire on the 19th; 69mm was logged at Hawnby of which 50mm fell in half an hour. On the 24th 52mm fell at Teignmouth (Devon) and the Glastonbury Festival was disrupted by flooding.

After a cool, cloudy day on the 25th, high pressure returned briefly bringing a further spell of sunny and very warm weather, but severe thunderstorms soon developed, notably on the 28th and 29th across England and Wales. On the 29th, Crugmeer near Padstow (Cornwall) collected 51mm, most of which fell in 75 mins, and the nearby village of St Merryn suffered a serious but short-lived flood.

Although the first half of the month was the coolest, alongside 2001, for ten years, the second half was easily the warmest since 1976, and overall June 2005 ranked seventh warmest in the last 100 years. In recent times only 1992 and 2003 have been warmer. It was a wet month over much of Scotland, while in parts of eastern England, the Midlands and the West Country the downpours of the last week lifted monthly totals slightly above normal. In southeast England, however, it was another dry month - the eighth in succession.  Sunshine totals were below normal in Scotland and Northern Ireland, near to or slightly above normal elsewhere.
                                                                                                                                         
    TEMPERATURE   SUNSHINE   RAINFALL        
                                                                                                                                 
                                                                                                                                 
                                  Highest and lowest totals             Highest and lowest totals        
                                  on record for month    
Maximum fall in 24 hrs
   (beginning 09 h)
        on record for month    
Days with snow or sleet
 
Days with fog
(Vis <220 yards at 09 h)
 
                                                                                         
     
Difference from average
   
Difference from average
 
Highest maximum
   
Lowest minimum
   
No. of days with grass
  minimum below 0C
   
Days of no sunshine
 
Maximum duration
       
First year of record
         
Days of no rainfall
 (0.1 mm or less)
         
First year of record
         
Days with thunder
     
  PLACE  
Mean Maximum
   
Mean minimum
             
No. of air frosts
       
Total for month
                   
Total for month
                   
                               
% of average
                   
% of average
                 
                                                                     
                                   
Highest
   
Lowest
 
Year
             
Highest
   
Lowest
 
Year
       
             
Date
   
Date
         
Date
         
Year
         
Date
         
Year
           
                                                                     
    C     C     C     C           Hrs     Hrs       Hrs     Hrs       mm     mm       mm     mm          
                                                                                                                                         
  *Hampstead   21.8   +2.8   11.8   +1.9   31.8   19   04.4   07   00   00   01   12.7   08   183   109   1910   284   1957   121   1923   19   16   28   051   093   1910   136   1971   03   1925   05   00   00  
  Thorney Island   20.4   +0.9   12.4   +1.9   27.7   28   04.7   07   00   00   01   15.2   09   251   114   1958   311   1975   138   1990   18   21   24   047   118   1941   111   1971   06   1976   03   00   00  
  *Coltishall   19.8   +2.0   10.5   +0.5   29.7   19   02.9   08   01   00   00   14.8   08   163   088   1979   283   1989   141   1987   19   16   20   053   126   1964   125   1980   07   1976   07   00   00  
  *Wittering   20.3   +2.2   10.7   +0.9   30.9   19   03.6   11   00   00   02   15.5   27   194   102   1955   284   1976   096   1987   18   11   28   054   102   1955   153   1982   03   1962   06   00   00  
                                                                     
  Lyneham   19.9   +1.4   11.5   +2.2   29.5   19   04.1   07   00   00   03   14.7   07   196   103   1952   306   1957   113   1997   18   18   24   064   103   1945   145   1971   03   1962   06   00   00  
  Ross-on-Wye   20.8   +2.0   11.2   +1.4   31.0   19   04.0   07   00   00   03   14.6   23   212   119   1915   318   1925   117   1990   19   21   24   052   098   1859   165   1982   00   1925   04   00   00  
  *St Athan   18.8   +1.1   12.4   +2.4   25.8   19   06.4   13   00   00   05   14.5   08   180   091   1954   323   1957   140   1972   18   18   14   074   115   1954   151   1954   05   1975   03   00   00  
  St Mawgan   18.4   +1.8   12.5   +2.0   24.2   18   07.9   08   00   00   04   15.3   08   216   108   1945   310   1975   133   1997   17   10   29   048   081   1944   130   1997   08   1962   04   00   01  
                                                                     
  *Edgbaston   20.3   +2.3   11.9   +1.8   30.1   19   05.8   07   00   00   00   14.9   27   192   110   1887   283   1957   095   1923   19   15   24   053   092   1887   144   1998   04   1942   06   00   00  
  Valley   17.2   +0.6   11.9   +1.8   25.8   28   08.3   08   00   00   02   15.8   27   188   094   1946   305   1975   134   1987   23   09   28   019   032   1941   112   1998   01   1942   03   00   00  
  *Woodford   19.7   +1.7   10.4   +1.6   28.7   19   01.7   07   01   00   01   15.1   23   164   094   1945   285   1957   103   1987   16   17   28   058   085   1942   174   1987   12   1942   04   00   00  
  *Watnall   20.2   +2.1   11.3   +1.5   30.4   19   04.1   07   00   00   02   14.7   27   160   084   1948   261   1960   103   1987   16   20   28   060   109   1942   164   1982   08   1975   05   00   00  
                                                                     
  Leeming   19.3   +1.3   10.4   +1.4   27.3   19   01.8   07   01   00   04   16.0   23   206   127   1945   298   1957   092   1987   14   07   19   028   060   1947   148   1982   09   1976   05   00   00  
  *Boulmer   17.3   +1.5   10.1   +1.7   23.4   23   03.5   07   00   00   06   15.6   28   177   109   1945   261   1957   127   1982   18   37   04   075   137   1945   146   1997   09   1976   02   00   00  
  Eskdalemuir   16.5   +0.2   08.8   +2.0   24.8   28   01.1   07   01   00   06   14.1   26   133   088   1911   276   1957   082   1912   11   18   01   092   088   1911   260   1931   13   1992   02   00   00  
  *Bishopton   18.3   +0.7   10.4   +1.8   24.7   28   05.7   07   00   00   04   12.6   26   114   066   1921   279   1995   089   1966   15   21   18   092   146   1921   131   2002   10   1988   02   00   00  
                                                                     
  Leuchars   17.8   +1.2   10.3   +2.0   24.0   18   02.6   07   01   00   04   15.0   26   174   098   1922   264   1949   104   1982   15   16   01   064   131   1922   115   1931   07   1940   01   00   00  
  Dyce   16.8   +0.8   09.4   +1.6   24.6   19   00.5   07   02   00   02   13.3   06   161   100   1941   245   1970   095   1966   18   09   13   043   073   1941   146   1997   14   1982   01   00   00  
  *Stornoway   14.4   +0.1   09.4   +1.3   18.8   29   04.4   10   00   00   05   13.8   06   101   062   1880   278   1970   072   1984   12   29   02   093   147   1943   112   1994   15   1982   00   00   00  
  *Aldergrove   17.8   +0.6   11.0   +2.0   22.9   22   07.1   11   00   00   04   12.7   10   120   073   1927   287   1957   103   1980   15   25   18   073   099   1927   129   1980   11   1941   02   00   00  
                                                                     
                                                                                                                                         
  Stations marked with an asterisk record sunshine electronically; comparisons      
  with earlier records are therefore somewhat speculative. Thorney Island's      
  sunshine figures are from a nearby site.