Monthly Climate Summary for  March 2007 at Chesham (Tennis Club)
                          home daily
                                 Very sunny; only small amounts of rain after the 5th       back forward
                         
Overall mean temperature was 6.8 ēC which is +0.6 degC compared with the 1971-2000 average  
Mean day maximum (09-21) was 11.5 ēC which is +1.6 degC compared with the 1971-2000 average  
Mean night minimum (21-09) was 2.2 ēC which is -0.5 degC compared with the 1971-2000 average  
Mean 24hr maximum (09-09) was 11.5 ēC                
Mean 24hr minimum (09-09) was 2.0 ēC                
  Highest day max was 16.5 ēC on  the   11            
  Lowest day max was 5.3 ēC on  the 20            
  Highest night min was 8.8 ēC on  the 6            
  Lowest night min was -5.3 ēC on  the 22            
  Lowest grass min was   ēC on  the              
                         
Total rainfall this month was 42.4 mm which is 78.4 per  cent of the 1971-2000 average    
  Highest daily fall was 11.2 mm on  the 4            
Number of hours with rain was                    
Equiv. TSR rainfall duration was 15.3 hrs which is 28.9 per  cent of the 1971-2000 average    
  Highest no of wet hrs   hrs on  the              
  Highest duration 4.3 hrs on  the 4            
  Mean rainfall intensity 2.78 mm/hr                
                         
Total est sunshine this month was 142.5 hrs which is 136.1 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 7.7 hrs on  the 26            
                         
Maximum  snow depth  was 1.0 cm on  the  28 and 30            
                         
Mean sea-level pressure at 09Z 1016.4 mbar which is +1.8 mbar compared with the 1961-1990 average  
  Highest pressure at 09Z 1036.4 mbar on  the 14            
  Lowest  pressure at 09Z 991.2 mbar on  the 1            
                         
Total number of days with:                      
Air Frost 10   0.2mm rain 11   No  sun 1   Snow lying 0    
Grnd Frost 0   1.0mm 7   3h  sun 25   Snow/sleet 0    
Max < 0ēC 0   5mm 3   6h  sun 12   Hail 0    
Max > 10 21   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: