Monthly Climate Summary for   April   2005  at Luton (Cranleigh Gardens)
                          home daily
                                   Changeable and mostly cloudy, but rather warm especially early and late     back forward
                         
Overall mean temperature was 9.6 ēC which is +1.4 degC compared with the 1971-2000 average  
Mean day maximum (09-21) was 14.3 ēC which is +1.7 degC compared with the 1971-2000 average  
Mean night minimum (21-09) was 5.0 ēC which is +1.1 degC compared with the 1971-2000 average  
Mean 24hr maximum (09-09) was 14.3 ēC                
Mean 24hr minimum (09-09) was 5.0 ēC                
  Highest day max was 21.1 ēC on  the   30                 
  Lowest day max was 7.1 ēC on  the 8            
  Highest night min was 12.5 ēC on  the 30            
  Lowest night min was -1.7 ēC on  the 17            
  Lowest grass min was -5.8 ēC on  the 9            
                         
Total rainfall this month was 42.2 mm which is 73.0 per  cent of the 1971-2000 average    
  Highest daily fall was 6.8 mm on  the 14            
Number of hours with rain was                    
Equiv. TSR rainfall duration was 43.7 hrs which is 94.6 per  cent of the 1971-2000 average    
  Highest no of wet hrs   hrs on  the              
  Highest duration 10.5 hrs on  the 21            
  Mean rainfall intensity 0.97 mm/hr                
                         
Total CS sunshine this month was 125.9 hrs which is 90.6 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 9.9 hrs on  the 21            
                         
Maximum  snow depth  was 0.0 cm on  the               
                         
Mean sea-level pressure at 09Z 1013.3 mbar which is -1.9 mbar compared with the 1961-1990 average  
  Highest pressure at 09Z 1030.4 mbar on  the 11            
  Lowest  pressure at 09Z 992.6 mbar on  the 18            
                         
Number of days with:                      
Air Frost 2   0.2mm rain 17   No  sun 2   Snow lying 0    
Grnd Frost 12   1.0mm 11   3h  sun 15   Snow/sleet 1    
Max < 0ēC 0   5mm 5   6h  sun 9   Hail 2    
Max > 10 27   10mm 0   9h  sun 5   Thunder 3    
Max > 20 1   25mm 0   12h sun 0   Fog at 09Z 2    
Max > 30 0         15h sun 0   Gale 0    
                         
Notable events during the month:                  
First day in 2005 above 20ēC was April 30th - the latest date for five years            
Min of 12.5ēC on the 30th was the highest in April since 1945              
Dullest April for four years