Monthly Climate Summary for  October 2007 at Chesham (Tennis Club)
                          home daily
                              Mostly dry, quiet, and rather cloudy;  variable temperatures       back forward
                         
Overall mean temperature was 10.0 ēC which is   degC compared with the 1971-2000 average  
Mean day maximum (09-21) was 14.6 ēC which is   degC compared with the 1971-2000 average  
Mean night minimum (21-09) was 5.4 ēC which is   degC compared with the 1971-2000 average  
Mean 24hr maximum (09-09) was 14.6 ēC                
Mean 24hr minimum (09-09) was 5.0 ēC                
  Highest day max was 18.2 ēC on  the   4            
  Lowest day max was 9.6 ēC on  the 25            
  Highest night min was 13.7 ēC on  the 13            
  Lowest night min was -2.8 ēC on  the 23            
  Lowest grass min was   ēC on  the              
                         
Total rainfall this month was 47.6 mm which is   per  cent of the 1971-2000 average    
  Highest daily fall was 17.6 mm on  the 9            
Number of hours with rain was                    
Equiv. TSR rainfall duration was 15.9 hrs which is   per  cent of the 1971-2000 average    
  Highest no of wet hrs   hrs on  the              
  Highest duration 5.8 hrs on  the 16            
  Mean rainfall intensity 2.99 mm/hr                
                         
Total est sunshine this month was 86.6 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 6.8 hrs on  the 5            
                         
Maximum  snow depth  was 0.0 cm on  the               
                         
Mean sea-level pressure at 09Z 1024.6 mbar which is   mbar compared with the 1961-1990 average  
  Highest pressure at 09Z 1038.0 mbar on  the 20            
  Lowest  pressure at 09Z 1012.7 mbar on  the 29            
                         
Total number of days with:                      
Air Frost 6   0.2mm rain 17   No  sun 7   Snow lying 0    
Grnd Frost 0   1.0mm 6   3h  sun 13   Snow/sleet 0    
Max < 0ēC 0   5mm 2   6h  sun 6   Hail 0    
Max > 10 30   10mm 2   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: