Monthly Climate Summary for  July  2009  at Whipsnade (The Lodge)
                          home daily
                   Very warm start, then very unsettled with near-average temperature       back forward
                         
Overall mean temperature was 16.1 ēC which is +0.2 degC compared with the 1971-2000 average  
Mean day maximum (09-21) was 20.5 ēC which is -0.1 degC compared with the 1971-2000 average  
Mean night minimum (21-09) was 11.6 ēC which is +0.4 degC compared with the 1971-2000 average  
Mean 24hr maximum (09-09) was 20.5 ēC                
Mean 24hr minimum (09-09) was 11.6 ēC                
  Highest day max was 27.6 ēC on  the   1            
  Lowest day max was 17.0 ēC on  the 9            
  Highest night min was 16.2 ēC on  the 3            
  Lowest night min was 7.7 ēC on  the 9            
  Lowest grass min was 3.8 ēC on  the 9            
                         
Total rainfall this month was 73.2 mm which is 149.4 per  cent of the 1971-2000 average    
  Highest daily fall was 11.6 mm on  the 17            
Number of hours with rain was                    
TSR rainfall duration was 43.4 hrs which is   per  cent of the 1971-2000 average    
  Highest no of wet hrs   hrs on  the              
  Highest duration 10.3 hrs on  the              
  Mean rainfall intensity 1.69 mm/hr                
                         
Total CS sunshine this month was 210.9 hrs which is 110.8 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 13.0 hrs on  the 2            
                         
Maximum  snow depth  was 0.0 cm on  the               
                         
Mean sea-level pressure at 09Z 1012.6 mbar which is -4.7 mbar compared with the 1961-1990 average  
  Highest pressure at 09Z 1023.6 mbar on  the 1            
  Lowest  pressure at 09Z 1002.4 mbar on  the 22            
                         
Number of days with:                      
Air Frost 0   0.2mm rain 20   No  sun 1   Snow lying 0    
Grnd Frost 0   1.0mm 13   3h  sun 24   Snow/sleet 0    
Max < 0ēC 0   5mm 7   6h  sun 19   Hail 0    
Max > 10 31   10mm 1   9h  sun 11   Thunder 3    
Max > 20 16   25mm 0   12h sun 2   Fog at 09Z 0    
Max > 30 0         15h sun 0   Gale 0    
                         
Notable events during the month:                  
                           20th