Monthly Climate Summary for  August  2009 at Whipsnade (The Lodge),  Beds
                          home daily
                                Changeable but rather warm; lengthy dry spells       back forward
                         
Overall mean temperature was 16.5 ēC which is +0.6 degC compared with the 1971-2000 average  
Mean day maximum (09-21) was 21.0 ēC which is +0.5 degC compared with the 1971-2000 average  
Mean night minimum (21-09) was 11.9 ēC which is +0.6 degC compared with the 1971-2000 average  
Mean 24hr maximum (09-09) was 21.1 ēC                
Mean 24hr minimum (09-09) was 11.9 ēC                
  Highest day max was 26.5 ēC on  the   19            
  Lowest day max was 17.2 ēC on  the 28            
  Highest night min was 16.6 ēC on  the 5            
  Lowest night min was 7.1 ēC on  the 22            
  Lowest grass min was 2.5 ēC on  the 22            
                         
Total rainfall this month was 62.1 mm which is 112.9 per  cent of the 1971-2000 average    
  Highest daily fall was 21.7 mm on  the 6            
Number of hours with rain was                    
Equiv. TSR rainfall duration was 24.2 hrs which is   per  cent of the 1971-2000 average    
  Highest no of wet hrs   hrs on  the              
  Highest duration 7.8 hrs on  the 6            
  Mean rainfall intensity 2.57 mm/hr                
                         
Total CS sunshine this month was 203.7 hrs which is 110.1 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 12.0 hrs on  the 16            
                         
Maximum  snow depth  was 0.0 cm on  the               
                         
Mean sea-level pressure at 09Z 1016.3 mbar which is +0.2 mbar compared with the 1961-1990 average  
  Highest pressure at 09Z 1024.0 mbar on  the 22            
  Lowest  pressure at 09Z 1006.9 mbar on  the 24            
                         
Number of days with:                      
Air Frost 0   0.2mm rain 12   No  sun 0   Snow lying 0    
Grnd Frost 0   1.0mm 9   3h  sun 25   Snow/sleet 0    
Max < 0ēC 0   5mm 4   6h  sun 18   Hail 0    
Max > 10 31   10mm 1   9h  sun 11   Thunder 2    
Max > 20 23   25mm 0   12h sun 2   Fog at 09Z 2    
Max > 30 0         15h sun 0   Gale 0    
                         
Notable events during the month: