Monthly Climate Summary for December 2006 at Milhaguet (Carreau)
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           Very mild at first then colder; exceptional freezing fog event Christmas     Back Forward
                       
Overall mean temperature was 3.4 ēC which is -0.7 degC compared with the 1971-2000 average
Mean day maximum (09-21) was 6.3 ēC which is -0.8 degC compared with the 1971-2000 average
Mean night minimum (21-09) was 0.4 ēC which is -0.7 degC compared with the 1971-2000 average
Mean 24hr maximum (09-09) was 6.4 ēC              
Mean 24hr minimum (09-09) was 0.0 ēC              
  Highest day max was 13.6 ēC on  the   5          
  Lowest day max was -4.2 ēC on  the 25          
  Highest night min was 10.7 ēC on  the 5          
  Lowest night min was -8.0 ēC on  the 27          
  Lowest grass min was -7.3 ēC on  the 27          
                       
Total rainfall this month was 70.3 mm which is 59.6 per  cent of the 1971-2000 average  
  Highest daily fall was 12.0 mm on  the 4          
Number of hours with rain was 85.0 hrs              
Equiv. TSR rainfall duration was 59.5 hrs which is   per  cent of the 1971-2000 average  
  Highest no of wet hrs 16.0 hrs on  the 7          
  Highest equiv duration 12.8 hrs on  the 7          
  Mean rainfall intensity 1.18 mm/h              
                       
Total sunshine this month was 9.0 hrs which is 180.0 per  cent of the 1971-2000 average  
Equiv. C/S sunshine total was 9.9 hrs which is 180.0 per  cent of the 1971-2000 average  
  Highest daily sun was 0.7 hrs on  the 1          
                       
Maximum  snow depth  was 0.0 cm on  the             
                       
Mean sea-level pressure at 09Z 1026.3 mbar which is +7.7 mbar compared with the 1961-1990 average
  Highest pressure at 09Z 1036.5 mbar on  the 24          
  Lowest pressure at 09Z 998.5 mbar on  the 8          
                       
Number of days with:                    
Air Frost 16   0.2mm rain 12   No  sun 6   Snow lying 0  
Grnd Frost 20   1.0mm 10   3h  sun 0   Snow/sleet 0  
Max < 0ēC 3   5mm 6   6h  sun 0   Hail 0  
Max > 10 6   10mm 4   9h  sun 0   Thunder 0  
Max > 20 0   25mm 0   12h sun 0   Fog at 09Z 6  
Max > 30 0   50mm 0   15h sun 0   Gale 0  
                       
Notable events during the month:                
Temperature below zero from 16z on 23rd to 12z on 27th -- a period of 92 hours