Monthly Climate Summary for January 2010  at Whipsnade (The Lodge)
                          home daily
          Very cold first half with frequent snowfalls;  less cold second half;  sunny early and late back forward
                         
Overall mean temperature was 0.5 ēC which is -2.4 degC compared with the 1971-2000 average  
Mean day maximum (09-21) was 2.2 ēC which is -3.1 degC compared with the 1971-2000 average  
Mean night minimum (21-09) was -1.2 ēC which is -1.6 degC compared with the 1971-2000 average  
Mean 24hr maximum (09-09) was 2.4 ēC                
Mean 24hr minimum (09-09) was -1.6 ēC                
  Highest day max was 7.8 ēC on  the   18            
  Lowest day max was -3.4 ēC on  the 4            
  Highest night min was 4.7 ēC on  the 19            
  Lowest night min was -8.4 ēC on  the 7            
  Lowest grass min was -12.6 ēC on  the 7            
                         
Total rainfall this month was 53.4 mm which is 79.7 per  cent of the 1971-2000 average    
  Highest daily fall was 10.2 mm on  the 22            
Number of hours with rain was                    
TSR rainfall duration was 81.0 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 22            
  Mean rainfall intensity 0.66 mm/hr                
                         
Total CS sunshine this month was 49.6 hrs which is 94.3 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 7.3 hrs on  the 30            
                         
Maximum  snow depth  was 12.0 cm on  the  5            
                         
Mean sea-level pressure at 09Z 1015.7 mbar which is +1.1 mbar compared with the 1961-1990 average  
  Highest pressure at 09Z 1040.8 mbar on  the 26            
  Lowest  pressure at 09Z 1001.0 mbar on  the 13            
                         
Number of days with:                      
Air Frost 19   0.2mm rain 16   No  sun 14   Snow lying 15    
Grnd Frost 24   1.0mm 11   3h  sun 6   Snow/sleet 13    
Max < 0ēC 6   5mm 4   6h  sun 3   Hail 1    
Max > 10 0   10mm 1   9h  sun 0   Thunder 0    
Max > 20 0   25mm 0   12h sun 0   Fog at 09Z 6    
Max > 30 0         15h sun 0   Gale 0    
                         
Notable events during the month: