Monthly Climate Summary for   May   2006  at Luton (Cranleigh Gardens)
                          home daily
                                                         Very warm first half;  very wet second half                                     back forward
                         
Overall mean temperature was 13.0 ēC which is +1.4 degC compared with the 1971-2000 average  
Mean day maximum (09-21) was 17.6 ēC which is +1.1 degC compared with the 1971-2000 average  
Mean night minimum (21-09) was 8.4 ēC which is +1.7 degC compared with the 1971-2000 average  
Mean 24hr maximum (09-09) was 17.6 ēC                
Mean 24hr minimum (09-09) was 8.4 ēC                
  Highest day max was 26.7 ēC on  the   4                 
  Lowest day max was 13.2 ēC on  the 30            
  Highest night min was 12.7 ēC on  the 27            
  Lowest night min was 1.9 ēC on  the 2            
  Lowest grass min was -1.4 ēC on  the 2            
                         
Total rainfall this month was 82.3 mm which is 154.7 per  cent of the 1971-2000 average    
  Highest daily fall was 13.9 mm on  the 22            
Number of hours with rain was                    
Equiv. TSR rainfall duration was 71.6 hrs which is 241.9 per  cent of the 1971-2000 average    
  Highest no of wet hrs   hrs on  the              
  Highest duration 10.1 hrs on  the 11            
  Mean rainfall intensity 1.15 mm/hr                
                         
Total CS sunshine this month was 154.6 hrs which is 83.7 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 12.4 hrs on  the 11            
                         
Maximum  snow depth  was 0.0 cm on  the               
                         
Mean sea-level pressure at 09Z 1013.0 mbar which is -+2.1 mbar compared with the 1961-1990 average  
  Highest pressure at 09Z 1025.5 mbar on  the 31            
  Lowest  pressure at 09Z 986.0 mbar on  the 22            
                         
Number of days with:                      
Air Frost 0   0.2mm rain 20   No  sun 1   Snow lying 0    
Grnd Frost 1   1.0mm 14   3h  sun 19   Snow/sleet 0    
Max < 0ēC 0   5mm 10   6h  sun 12   Hail 1    
Max > 10 31   10mm 1   9h  sun 7   Thunder 1    
Max > 20 5   25mm 0   12h sun 1   Fog at 09Z 3    
Max > 30 0         15h sun 0   Gale 0    
                         
Notable events during the month:                  
Warmest first half of May since 1945                  
Wettest second half of May since 2000