Monthly Climate Summary for December 2002 at Milhaguet (Carreau)
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         Cold until the 9th, then mainly mild.  Violent hailstorm on the evening of the 14th Back Forward
                       
Overall mean temperature was 6.4 ēC which is +1.6 degC compared with the 1971-2000 average
Mean day maximum (09-21) was 8.9 ēC which is -0.1 degC compared with the 1971-2000 average
Mean night minimum (21-09) was 3.8 ēC which is +3.3 degC compared with the 1971-2000 average
Mean 24hr maximum (09-09) was 9.0 ēC              
Mean 24hr minimum (09-09) was 3.8 ēC              
  Highest day max was 13.1 ēC on  the   23          
  Lowest day max was 1.9 ēC on  the 7          
  Highest night min was 8.7 ēC on  the 27          
  Lowest night min was -0.8 ēC on  the 4          
  Lowest grass min was -3.7 ēC on  the 4          
                       
Total rainfall this month was 119.2 mm which is 104.6 per  cent of the 1971-2000 average  
  Highest daily fall was 33.9 mm on  the 14          
Number of hours with rain was 125.0 hrs              
Equiv. TSR rainfall duration was 87.5 hrs which is   per  cent of the 1971-2000 average  
  Highest no of wet hrs 14.0 hrs on  the 1          
  Highest equiv duration 11.2 hrs on  the 1          
                       
Total sunshine this month was 4.5 hrs which is 6.6 per  cent of the 1971-2000 average  
Equiv. C/S sunshine total was 5.0 hrs which is 6.6 per  cent of the 1971-2000 average  
  Highest daily sun was 1.0 hrs on  the 3          
                       
Maximum  snow depth  was 0.0 cm on  the             
                       
Mean sea-level pressure at 09Z   mbar which is   mbar compared with the 1961-1990 average
  Highest pressure at 09Z   mbar on  the            
  Lowest  pressure at 09Z mbar on  the            
                       
Number of days with:                    
Air Frost 4   0.2mm rain 23   No  sun 15   Snow lying 0  
Grnd Frost 12   1.0mm 15   3h  sun 0   Snow/sleet 0  
Max < 0ēC 0   5mm 10   6h  sun 0   Hail 0  
Max > 10 15   10mm 3   9h  sun 0   Thunder 0  
Max > 20 0   25mm 1   12h sun 0   Fog at 09Z 0  
Max > 30 0   50mm 0   15h sun 0   Gale 0  
                       
Notable events during the month:                
Ferocious hailstorm on the evening of the 14th dropped 6.4mm of rain in 5 minutes at 2145h, 9.5mm in 10 mins, 12.3mm in 15 mins,
15.4mm in 20 mins, 16.7mm in 25 mins, 17.8mm in 30 mins, and 21.1mm in one hour.