Monthly Climate Summary for December 2008 at Whipsnade (Lodge)
                          home daily
 Cold first half, milder interlude before Christmas, cold last week. Mainly dry, especially second half back forward
                         
Overall mean temperature was 2.6 ēC which is -1.3 degC compared with the 1971-2000 average  
Mean day maximum (09-21) was 4.6 ēC which is -1.6 degC compared with the 1971-2000 average  
Mean night minimum (21-09) was 0.5 ēC which is -1.0 degC compared with the 1971-2000 average  
Mean 24hr maximum (09-09) was 5.0 ēC                
Mean 24hr minimum (09-09) was 0.1 ēC                
  Highest day max was 11.1 ēC on  the   20            
  Lowest day max was -1.0 ēC on  the 31            
  Highest night min was 8.7 ēC on  the 22            
  Lowest night min was -6.2 ēC on  the 30            
  Lowest grass min was -11.1 ēC on  the 30            
                         
Total rainfall this month was 41.7 mm which is 58.7 per  cent of the 1971-2000 average    
  Highest daily fall was 15.2 mm on  the 13            
Number of hours with rain was                    
               TSR rainfall duration was 52.8 hrs which is   per  cent of the 1971-2000 average    
  Highest no of wet hrs   hrs on  the              
  Highest duration 15.0 hrs on  the              
  Mean rainfall intensity 0.79 mm/hr                
                         
Total CS sunshine this month was 59.0 hrs which is 121.6 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 6.6 hrs on  the 7            
                         
Maximum  snow depth  was 0.0 cm on  the               
                         
Mean sea-level pressure at 09Z 1018.9 mbar which is +4.3 mbar compared with the 1961-1990 average  
  Highest pressure at 09Z 1038.6 mbar on  the 26            
  Lowest  pressure at 09Z 979.3 mbar on  the 4            
                         
Number of days with:                      
Air Frost 17   0.2mm rain 11   No  sun 11   Snow lying 0    
Grnd Frost 23   1.0mm 6   3h  sun 9   Snow/sleet 5    
Max < 0ēC 1   5mm 3   6h  sun 2   Hail 0    
Max > 10 3   10mm 1   9h  sun 0   Thunder 0    
Max > 20 0   25mm 0   12h sun 0   Fog at 09Z 7    
Max > 30 0         15h sun 0   Gale 0    
                         
Notable events during the month: