Monthly Climate Summary for June 2005 at Luton (Cranleigh Gardens)
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Cool first half, very warm second half, thundery finish     back forward
                         
Overall mean temperature was 16.5 C which is +2.0 degC compared with the 1971-2000 average  
Mean day maximum (09-21) was 21.7 C which is +2.7 degC compared with the 1971-2000 average  
Mean night minimum (21-09) was 11.3 C which is +1.4 degC compared with the 1971-2000 average  
Mean 24hr maximum (09-09) was 21.7 C                
Mean 24hr minimum (09-09) was 11.3 C                
  Highest day max was 32.1 C on the 19            
  Lowest day max was 15.2 C on the 11            
  Highest night min was 18.5 C on the 20            
  Lowest night min was 2.1 C on the 7            
  Lowest grass min was -0.8 C on the 7            
                         
Total rainfall this month was 57.4 mm which is 90.4 per cent of the 1971-2000 average    
  Highest daily fall was 23.4 mm on the 28            
Number of hours with rain was                    
Equiv. TSR rainfall duration was 19.0 hrs which is 72.2 per cent of the 1971-2000 average    
  Highest no of wet hrs   hrs on the              
  Highest duration 4.2 hrs on the 27            
  Mean rainfall intensity 3.02 mm/hr                
                         
Total CS sunshine this month was 189.7 hrs which is 106.0 per cent of the 1971-2000 average    
Equiv. C/S sunshine total was   hrs which is   per cent of the 1971-2000 average    
  Highest daily sun was 14.9 hrs on the 27            
                         
Maximum snow depth was 0.0 cm on the              
                         
Mean sea-level pressure at 09Z 1019.1 mbar which is +2.3 mbar compared with the 1961-1990 average  
  Highest pressure at 09Z 1037.8 mbar on the 8            
  Lowest pressure at 09Z 1005.9 mbar on the 30            
                         
Number of days with:                      
Air Frost 0   0.2mm rain 10   No sun 1   Snow lying 0    
Grnd Frost 2   1.0mm 8   3h sun 20   Snow/sleet 0    
Max < 0C 0   5mm 3   6h sun 14   Hail 0    
Max > 10 30   10mm 2   9h sun 9   Thunder 3    
Max > 20 17   25mm 0   12h sun 6   Fog at 09Z 0    
Max > 30 2         15h sun 0   Gale 0    
                         
Notable events during the month:                  
Barometer reached 1038.0mbar on the morning of the 8th - the highest in June since 1962          
Min of 18.5C early on the 20th was a new June record, beating 18.3C in 1947            
Max of 32.1C on the 19th was the highest in June since 1995