Monthly Climate Summary for October 2009 at Luton (Cranleigh Gardens)
                          home daily
     Dull but dry;  often rather cold till the 21st, then mostly warm       back forward
                         
Overall mean temperature was 11.4 ēC which is +0.9 degC compared with the 1971-2000 average  
Mean day maximum (09-21) was 14.8 ēC which is +0.7 degC compared with the 1971-2000 average  
Mean night minimum (21-09) was 7.9 ēC which is +1.0 degC compared with the 1971-2000 average  
Mean 24hr maximum (09-09) was 14.9 ēC                
Mean 24hr minimum (09-09) was 7.8 ēC                
  Highest day max was 18.9 ēC on  the   6            
  Lowest day max was 11.2 ēC on  the 19            
  Highest night min was 12.2 ēC on  the 24            
  Lowest night min was 0.5 ēC on  the 18            
  Lowest grass min was -3.2 ēC on  the 18            
                         
Total rainfall this month was 32.0 mm which is 45.5 per  cent of the 1971-2000 average    
  Highest daily fall was 8.4 mm on  the 7            
Number of hours with rain was                    
Equiv. TSR rainfall duration was 31.9 hrs which is 67.4 per  cent of the 1971-2000 average    
  Highest no of wet hrs   hrs on  the              
  Highest duration 5.5 hrs on  the 8            
  Mean rainfall intensity 1.00 mm/hr                
                         
Total CS sunshine this month was 70.5 hrs which is 66.2 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 6.8 hrs on  the 8            
                         
Maximum  snow depth  was 0.0 cm on  the               
                         
Mean sea-level pressure at 09Z 1017.1 mbar which is +1.7 mbar compared with the 1961-1990 average  
  Highest pressure at 09Z 1034.0 mbar on  the 15            
  Lowest  pressure at 09Z 997.0 mbar on  the 21            
                         
Air Frost 0   0.2mm rain 14   No  sun 3   Snow lying 0    
Grnd Frost 4   1.0mm 9   3h  sun 11   Snow/sleet 0    
Max < 0ēC 0   5mm 1   6h  sun 4   Hail 0    
Max > 10 31   10mm 0   9h  sun 0   Thunder 0    
Max > 20 0   25mm 0   12h sun 0   Fog at 09Z 4    
Max > 30 0         15h sun 0   Gale 0    
                         
Notable events during the month: