Monthly Climate Summary for October 2011 at Luton (Cranleigh Gardens)
                          home daily
          A warm month, notably so during the first few days; mostly dry and sunny   back forward
                         
Overall mean temperature was 12.8 ēC which is +2.3 degC compared with the 1971-2000 average  
Mean day maximum (09-21) was 16.6 ēC which is +2.5 degC compared with the 1971-2000 average  
Mean night minimum (21-09) was 9.1 ēC which is +2.2 degC compared with the 1971-2000 average  
Mean 24hr maximum (09-09) was 16.6 ēC                
Mean 24hr minimum (09-09) was 9.1 ēC                
  Highest day max was 27.7 ēC on  the   2            
  Lowest day max was 10.8 ēC on  the 20            
  Highest night min was 15.7 ēC on  the 11            
  Lowest night min was 0.7 ēC on  the 20            
  Lowest grass min was -2.7 ēC on  the 20            
                         
Total rainfall this month was 20.6 mm which is 29.3 per  cent of the 1971-2000 average    
  Highest daily fall was 5.7 mm on  the 26            
Number of hours with rain was                    
Equiv. TSR rainfall duration was 22.6 hrs which is 47.8 per  cent of the 1971-2000 average    
  Highest no of wet hrs   hrs on  the              
  Highest duration 6.8 hrs on  the 1            
  Mean rainfall intensity 0.91 mm/hr                
                         
Total CS sunshine this month was 135.0 hrs which is 126.8 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 9.0 hrs on  the 1            
                         
Maximum  snow depth  was 0.0 cm on  the               
                         
Mean sea-level pressure at 09Z 1017.7 mbar which is +2.3 mbar compared with the 1961-1990 average  
  Highest pressure at 09Z 1032.6 mbar on  the 14            
  Lowest  pressure at 09Z 996.9 mbar on  the 25            
                         
Air Frost 0   0.2mm rain 10   No  sun 3   Snow lying 0    
Grnd Frost 5   1.0mm 5   3h  sun 23   Snow/sleet 0    
Max < 0ēC 0   5mm 1   6h  sun 11   Hail 0    
Max > 10 31   10mm 0   9h  sun 2   Thunder 0    
Max > 20 4   25mm 0   12h sun 0   Fog at 09Z 0    
Max > 30 0         15h sun 0   Gale 0    
                         
Notable events during the month: