Monthly Climate Summary for  May  2010  at Whipsnade (Lodge)
                          home daily
                      Cold and cloudy first half; warm spell 19th-24th; generally dry       back forward
                         
Overall mean temperature was 10.1 ēC which is -+0.7 degC compared with the 1971-2000 average  
Mean day maximum (09-21) was 15.5 ēC which is +0.2 degC compared with the 1971-2000 average  
Mean night minimum (21-09) was 4.7 ēC which is -+1.5 degC compared with the 1971-2000 average  
Mean 24hr maximum (09-09) was 15.5 ēC                
Mean 24hr minimum (09-09) was 4.7 ēC                
  Highest day max was 25.9 ēC on  the   23            
  Lowest day max was 7.8 ēC on  the 8            
  Highest night min was 11.7 ēC on  the 24            
  Lowest night min was -2.6 ēC on  the 12            
  Lowest grass min was -7.0 ēC on  the 12            
                         
Total rainfall this month was 32.7 mm which is 59.5 per  cent of the 1971-2000 average    
  Highest daily fall was 19.7 mm on  the 1            
Number of hours with rain was                    
Equiv. TSR rainfall duration was 25.7 hrs which is   per  cent of the 1971-2000 average    
  Highest no of wet hrs   hrs on  the              
  Highest duration 11.3 hrs on  the 1            
  Mean rainfall intensity 1.27 mm/hr                
                         
Total CS sunshine this month was 207.8 hrs which is 112.4 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 14.5 hrs on  the 23            
                         
Maximum  snow depth  was 0.0 cm on  the  22            
                         
Mean sea-level pressure at 09Z 1018.2 mbar which is +3.1 mbar compared with the 1961-1990 average  
  Highest pressure at 09Z 1033.0 mbar on  the 20            
  Lowest  pressure at 09Z 1009.5 mbar on  the 1            
                         
Number of days with:                      
Air Frost 3   0.2mm rain 8   No  sun 1   Snow lying 0    
Grnd Frost 13   1.0mm 5   3h  sun 23   Snow/sleet 0    
Max < 0ēC 0   5mm 1   6h  sun 18   Hail 0    
Max > 10 28   10mm 1   9h  sun 9   Thunder 0    
Max > 20 5   25mm 0   12h sun 5   Fog at 09Z 0    
Max > 30 0         15h sun 0   Gale 0    
                         
Notable events during the month: