Monthly Climate Summary for December 2010 at Whipsnade (Lodge)
                          home daily
            Exceptionally cold and wintry till the 9th and from 16th-27th;  generally dry but very dull   back forward
                         
Overall mean temperature was -1.0 ēC which is -4.8 degC compared with the 1971-2000 average  
Mean day maximum (09-21) was 1.1 ēC which is -5.1 degC compared with the 1971-2000 average  
Mean night minimum (21-09) was -3.0 ēC which is -4.5 degC compared with the 1971-2000 average  
Mean 24hr maximum (09-09) was 1.4 ēC                
Mean 24hr minimum (09-09) was -3.7 ēC                
  Highest day max was 7.2 ēC on  the   29            
  Lowest day max was -3.4 ēC on  the 17            
  Highest night min was 5.4 ēC on  the 30            
  Lowest night min was -13.3 ēC on  the 20            
  Lowest grass min was -19.4 ēC on  the 20            
                         
Total rainfall this month was 39.0 mm which is 54.9 per  cent of the 1971-2000 average    
  Highest daily fall was 10.0 mm on  the 18            
Number of hours with rain was                    
               TSR rainfall duration was 62.7 hrs which is   per  cent of the 1971-2000 average    
  Highest no of wet hrs   hrs on  the              
  Highest duration 10.0 hrs on  the              
  Mean rainfall intensity 0.62 mm/hr                
                         
Total CS sunshine this month was 18.7 hrs which is 38.6 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 3.6 hrs on  the 7            
                         
Maximum  snow depth  was 15.0 cm on  the               
                         
Mean sea-level pressure at 09Z 1015.2 mbar which is +0.6 mbar compared with the 1961-1990 average  
  Highest pressure at 09Z 1037.4 mbar on  the 15            
  Lowest  pressure at 09Z 992.4 mbar on  the 18            
                         
Number of days with:                      
Air Frost 25   0.2mm rain 16   No  sun 19   Snow lying 18    
Grnd Frost 25   1.0mm 11   3h  sun 3   Snow/sleet 15    
Max < 0ēC 13   5mm 2   6h  sun 0   Hail 1    
Max > 10 0   10mm 1   9h  sun 0   Thunder 0    
Max > 20 0   25mm 0   12h sun 0   Fog at 09Z 13    
Max > 30 0         15h sun 0   Gale 0    
                         
Notable events during the month: