Monthly Climate Summary for January 2011  at Whipsnade (The Lodge)
                          home daily
                     Dull and rather wet; very mild spell 11th-16th otherwise mostly rather cold   back forward
                         
Overall mean temperature was 3.2 ēC which is 0.3 degC compared with the 1971-2000 average  
Mean day maximum (09-21) was 5.1 ēC which is -0.2 degC compared with the 1971-2000 average  
Mean night minimum (21-09) was 1.2 ēC which is 0.8 degC compared with the 1971-2000 average  
Mean 24hr maximum (09-09) was 5.3 ēC                
Mean 24hr minimum (09-09) was 0.7 ēC                
  Highest day max was 11.3 ēC on  the   13            
  Lowest day max was -0.1 ēC on  the 29            
  Highest night min was 10.5 ēC on  the 13            
  Lowest night min was -5.6 ēC on  the 31            
  Lowest grass min was -10.1 ēC on  the 31            
                         
Total rainfall this month was 85.4 mm which is 127.5 per  cent of the 1971-2000 average    
  Highest daily fall was 17.9 mm on  the 17            
Number of hours with rain was                    
TSR rainfall duration was 108.7 hrs which is   per  cent of the 1971-2000 average    
  Highest no of wet hrs   hrs on  the              
  Highest duration 14.9 hrs on  the 12            
  Mean rainfall intensity 0.79 mm/hr                
                         
Total CS sunshine this month was 34.7 hrs which is 66.0 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 31            
                         
Maximum  snow depth  was 0.25 cm on  the  3            
                         
Mean sea-level pressure at 09Z 1018.7 mbar which is +4.1 mbar compared with the 1961-1990 average  
  Highest pressure at 09Z 1040.1 mbar on  the 21            
  Lowest  pressure at 09Z 991.6 mbar on  the 8            
                         
Number of days with:                      
Air Frost 15   0.2mm rain 20   No  sun 18   Snow lying 1    
Grnd Frost 18   1.0mm 14   3h  sun 4   Snow/sleet 7    
Max < 0ēC 1   5mm 7   6h  sun 2   Hail 1    
Max > 10 5   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: