Monthly Climate Summary for  June 2010 at Chesham (Tennis Club)
                          home daily
                                                   Mostly dry, sunny and warm       back forward
                         
Overall mean temperature was 14.7 ēC which is   degC compared with the 1971-2000 average  
Mean day maximum (09-21) was 21.5 ēC which is   degC compared with the 1971-2000 average  
Mean night minimum (21-09) was 7.9 ēC which is   degC compared with the 1971-2000 average  
Mean 24hr maximum (09-09) was 21.5 ēC                
Mean 24hr minimum (09-09) was 7.9 ēC                
  Highest day max was 28.7 ēC on  the   27            
  Lowest day max was 13.3 ēC on  the 1            
  Highest night min was 13.0 ēC on  the 10            
  Lowest night min was 3.7 ēC on  the 19            
  Lowest grass min was   ēC on  the              
                         
Total rainfall this month was 29.3 mm which is 46.2 per  cent of the 1971-2000 average    
  Highest daily fall was 10.5 mm on  the 7            
Number of hours with rain was                    
Equiv. TSR rainfall duration was 9.0 hrs which is   per  cent of the 1971-2000 average    
  Highest no of wet hrs   hrs on  the              
  Highest duration 3.7 hrs on  the 7            
  Mean rainfall intensity 3.26 mm/hr                
                         
Total est sunshine this month was 157.6 hrs which is   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 8.6 hrs on  the 3            
                         
Maximum  snow depth  was 0.0 cm on  the               
                         
Mean sea-level pressure at 09Z 1017.5 mbar which is   mbar compared with the 1961-1990 average  
  Highest pressure at 09Z 1027.7 mbar on  the 15            
  Lowest  pressure at 09Z 1000.4 mbar on  the 8            
                         
Total number of days with:                      
Air Frost 0   0.2mm rain 7   No  sun 0   Snow lying 0    
Grnd Frost 0   1.0mm 4   3h  sun 25   Snow/sleet 0    
Max < 0ēC 0   5mm 3   6h  sun 11   Hail 0    
Max > 10 30   10mm 1   9h  sun 0   Thunder 0    
Max > 20 17   25mm 0   12h sun 0   Fog at 09Z 0    
Max > 30 0         15h sun 0   Gale 0    
                         
Notable events during the month: