Monthly Climate Summary for  March  2009  at Luton (Cranleigh Gardens)
                          home daily
                Mostly dry and sunny with many warm days but also several frosty nights   back forward
                         
Overall mean temperature was 7.2 ēC which is +0.9 degC compared with the 1971-2000 average  
Mean day maximum (09-21) was 12.0 ēC which is +2.1 degC compared with the 1971-2000 average  
Mean night minimum (21-09) was 2.4 ēC which is -0.3 degC compared with the 1971-2000 average  
Mean 24hr maximum (09-09) was 12.0 ēC                
Mean 24hr minimum (09-09) was 2.2 ēC                
  Highest day max was 17.1 ēC on  the   16                 
  Lowest day max was 7.6 ēC on  the 5            
  Highest night min was 8.0 ēC on  the 12            
  Lowest night min was -2.9 ēC on  the 6            
  Lowest grass min was -7.2 ēC on  the 6            
                         
Total rainfall this month was 35.1 mm which is 64.9 per  cent of the 1971-2000 average    
  Highest daily fall was 13.0 mm on  the 3            
Number of hours with rain was                    
Equiv. TSR rainfall duration was 21.3 hrs which is 40.3 per  cent of the 1971-2000 average    
  Highest no of wet hrs   hrs on  the              
  Highest duration 9.5 hrs on  the 21            
  Mean rainfall intensity 1.65 mm/hr                
                         
Total CS sunshine this month was 150.0 hrs which is 143.3 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 8.7 hrs on  the 21            
                         
Maximum  snow depth  was 0.0 cm on  the               
                         
Mean sea-level pressure at 09Z 1015.3 mbar which is +0.7 mbar compared with the 1961-1990 average  
  Highest pressure at 09Z 1035.9 mbar on  the 17            
  Lowest  pressure at 09Z 983.2 mbar on  the 4            
                         
Number of days with:                      
Air Frost 7   0.2mm rain 14   No  sun 3   Snow lying 0    
Grnd Frost 21   1.0mm 9   >3h  sun 21   Snow/sleet 0    
Max < 0ēC 0   5mm 1   >6h  sun 13   Hail 3    
Max > 10 28   10mm 1   >9h  sun 0   Thunder 0    
Max > 20 0   25mm 0   >12h sun 0   Fog at 09Z 0    
Max > 30 0         >15h sun 0   Gale 0    
                         
Notable events during the month: