Monthly Climate Summary for  January 2006  at Luton (Cranleigh Gardens)
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                                     Another dry month; occasional cold spells; dull till the 19th then sunny     back forward
                         
Overall mean temperature was 4.1 ēC which is +0.1 degC compared with the 1971-2000 average  
Mean day maximum (09-21) was 6.3 ēC which is -0.1 degC compared with the 1971-2000 average  
Mean night minimum (21-09) was 2.0 ēC which is +0.3 degC compared with the 1971-2000 average  
Mean 24hr maximum (09-09) was 6.4 ēC                
Mean 24hr minimum (09-09) was 1.6 ēC                
  Highest day max was 11.1 ēC on  the   18                 
  Lowest day max was 1.9 ēC on  the 7            
  Highest night min was 8.1 ēC on  the 19            
  Lowest night min was -5.3 ēC on  the 24            
  Lowest grass min was -8.4 ēC on  the 24            
                         
Total rainfall this month was 27.7 mm which is 40.7 per  cent of the 1971-2000 average    
  Highest daily fall was 7.4 mm on  the 8            
Number of hours with rain was                    
Equiv. TSR rainfall duration was 50.3 hrs which is 73.8 per  cent of the 1971-2000 average    
  Highest no of wet hrs   hrs on  the              
  Highest duration 11.0 hrs on  the 28            
  Mean rainfall intensity 0.55 mm/hr                
                         
Total CS sunshine this month was 44.6 hrs which is 84.8 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 7.1 hrs on  the 28            
                         
Maximum  snow depth  was 0.0 cm on  the  7            
                         
Mean sea-level pressure at 09Z 1023.1 mbar which is +8.5 mbar compared with the 1961-1990 average  
  Highest pressure at 09Z 1037.3 mbar on  the 23            
  Lowest  pressure at 09Z 999.0 mbar on  the 1            
                         
Number of days with:                      
Air Frost 10   0.2mm rain 16   No  sun 11   Snow lying 0    
Grnd Frost 18   1.0mm 8   3h  sun 6   Snow/sleet 4    
Max < 0ēC 0   5mm 1   6h  sun 2   Hail 0    
Max > 10 2   10mm 0   9h  sun 0   Thunder 0    
Max > 20 0   25mm 0   12h sun 0   Fog at 09Z 3    
Max > 30 0         15h sun 0   Gale 0    
                         
Notable events during the month:                  
Only 20.2 hours of sunshine (approx 40%) in the 31-day period ending the 19th            
Driest January for six years