Monthly Climate Summary for   July  2010  at Luton (Cranleigh Gardens)
                          home daily
                        Very warm at times, and mostly dry, but a shortage of sunshine                             back forward
                         
Overall mean temperature was 18.8 ēC which is +1.7 degC compared with the 1971-2000 average  
Mean day maximum (09-21) was 23.9 ēC which is +1.8 degC compared with the 1971-2000 average  
Mean night minimum (21-09) was 13.6 ēC which is +1.5 degC compared with the 1971-2000 average  
Mean 24hr maximum (09-09) was 23.9 ēC                
Mean 24hr minimum (09-09) was 13.6 ēC                
  Highest day max was 30.5 ēC on  the   9                 
  Lowest day max was 18.5 ēC on  the 13            
  Highest night min was 18.3 ēC on  the 2            
  Lowest night min was 9.0 ēC on  the 6            
  Lowest grass min was 5.6 ēC on  the 6            
                         
Total rainfall this month was 33.0 mm which is 74.0 per  cent of the 1971-2000 average    
  Highest daily fall was 10.9 mm on  the 14            
Number of hours with rain was                    
TSR rainfall duration was 18.2 hrs which is 59.1 per  cent of the 1971-2000 average    
  Highest no of wet hrs   hrs on  the              
  Highest duration 4.0 hrs on  the 14            
  Mean rainfall intensity 1.81 mm/hr                
                         
Total CS sunshine this month was 173.5 hrs which is 91.2 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 13.4 hrs on  the 10            
                         
Maximum  snow depth  was 0.0 cm on  the               
                         
Mean sea-level pressure at 09Z 1015.5 mbar which is -1.8 mbar compared with the 1961-1990 average  
  Highest pressure at 09Z 1026.4 mbar on  the 6            
  Lowest  pressure at 09Z 1002.2 mbar on  the 15            
                         
Number of days with:                      
Air Frost 0   0.2mm rain 12   No  sun 1   Snow lying 0    
Grnd Frost 0   1.0mm 6   3h  sun 19   Snow/sleet 0    
Max < 0ēC 0   5mm 3   6h  sun 14   Hail 0    
Max > 10 31   10mm 1   9h  sun 7   Thunder 1    
Max > 20 28   25mm 0   12h sun 4   Fog at 09Z 0    
Max > 30 1         15h sun 0   Gale 0    
                         
Notable events during the month: