Monthly Climate Summary for November 2011 at Luton (Cranleigh Gardens)
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           Second warmest November (after 1994) since at least 1900; also a very dry month    back forward
                         
Overall mean temperature was 9.5 ēC which is +2.8 degC compared with the 1971-2000 average  
Mean day maximum (09-21) was 11.7 ēC which is +2.2 degC compared with the 1971-2000 average  
Mean night minimum (21-09) was 7.4 ēC which is +3.5 degC compared with the 1971-2000 average  
Mean 24hr maximum (09-09) was 12.1 ēC                
Mean 24hr minimum (09-09) was 7.0 ēC                
  Highest day max was 16.1 ēC on  the   3            
  Lowest day max was 7.8 ēC on  the 16            
  Highest night min was 12.7 ēC on  the 3            
  Lowest night min was -0.9 ēC on  the 28            
  Lowest grass min was -4.6 ēC on  the 28            
                         
Total rainfall this month was 32.7 mm which is 51.3 per  cent of the 1971-2000 average    
  Highest daily fall was 16.5 mm on  the 3            
Number of hours with rain was                    
Equiv. TSR rainfall duration was 46.3 hrs which is 72.6 per  cent of the 1971-2000 average    
  Highest no of wet hrs   hrs on  the              
  Highest duration 12.0 hrs on  the 25            
  Mean rainfall intensity 0.71 mm/hr                
                         
Total CS sunshine this month was 50.9 hrs which is 73.3 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 6.2 hrs on  the 25            
                         
Maximum  snow depth  was 0.0 cm on  the  30            
                         
Mean sea-level pressure at 09Z 1017.8 mbar which is +3.7 mbar compared with the 1961-1990 average  
  Highest pressure at 09Z 1029.3 mbar on  the 13            
  Lowest  pressure at 09Z 993.6 mbar on  the 3            
                         
Number of days with:                      
Air Frost 1   0.2mm rain 13   No  sun 7   Snow lying 0    
Grnd Frost 4   1.0mm 7   3h  sun 8   Snow/sleet 0    
Max < 0ēC 0   5mm 1   6h  sun 1   Hail 0    
Max > 10 25   10mm 1   9h  sun 0   Thunder 0    
Max > 20 0   25mm 0   12h sun 0   Fog at 09Z 6    
Max > 30 0         15h sun 0   Gale 0    
                         
Notable events during the month: