Monthly Climate Summary for November 2004 at Luton (Cranleigh Gardens)
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Mainly dull and mild. Frequent rain. Notably wintry snap 18th-21st       back forward
                         
Overall mean temperature was 7.4 C which is +0.7 degC compared with the 1971-2000 average  
Mean day maximum (09-21) was 9.7 C which is +0.2 degC compared with the 1971-2000 average  
Mean night minimum (21-09) was 5.2 C which is +1.3 degC compared with the 1971-2000 average  
Mean 24hr maximum (09-09) was 9.8 C                
Mean 24hr minimum (09-09) was 4.9 C                
  Highest day max was 13.2 C on the 12            
  Lowest day max was 3.0 C on the 20            
  Highest night min was 9.9 C on the 7            
  Lowest night min was -3.0 C on the 20            
  Lowest grass min was -8.7 C on the 20            
                         
Total rainfall this month was 70.1 mm which is 109.9 per cent of the 1971-2000 average    
  Highest daily fall was 31.6 mm on the 18            
Number of hours with rain was                    
Equiv. TSR rainfall duration was 85.0 hrs which is 133.2 per cent of the 1971-2000 average    
  Highest no of wet hrs   hrs on the              
  Highest duration 13.3 hrs on the 13            
  Mean rainfall intensity 0.82 mm/hr                
                         
Total CS sunshine this month was 48.4 hrs which is 69.7 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 7.2 hrs on the 13            
                         
Maximum snow depth was 0.5 cm on the 19            
                         
Mean sea-level pressure at 09Z 1022.5 mbar which is +11.1 mbar compared with the 1961-1990 average  
  Highest pressure at 09Z 1037.0 mbar on the 14            
  Lowest pressure at 09Z 1011.5 mbar on the 28            
                         
Number of days with:                      
Air Frost 4   0.2mm rain 17   No sun 12   Snow lying 1    
Grnd Frost 12   1.0mm 10   3h sun 8   Snow/sleet 2    
Max < 0C 0   5mm 3   6h sun 2   Hail 0    
Max > 10 16   10mm 2   9h sun 0   Thunder 0    
Max > 20 0   25mm 1   12h sun 0   Fog at 09Z 1    
Max > 30 0         15h sun 0   Gale 0    
                         
Notable events during the month:                  
Frost on the 14th was the first of the season - the latest date (equal with 2002) since 1977          
Rainfall of 31.6mm on the 18th was the highest fall in a rainfall day in November since 1974          
Snow lying on the 19th was the first occasion in November since 1996