Monthly Climate Summary for  May  2001 at Milhaguet (Carreau)
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Overall mean temperature was 15.1 ēC which is 1.0 degC compared with the 1971-2000 average
Mean day maximum (09-21) was 21.6 ēC which is 0.6 degC compared with the 1971-2000 average
Mean night minimum (21-09) was 8.6 ēC which is +1.4 degC compared with the 1971-2000 average
Mean 24hr maximum (09-09) was 21.6 ēC              
Mean 24hr minimum (09-09) was 8.6 ēC              
  Highest day max was 33.0 ēC on  the   30          
  Lowest day max was 6.2 ēC on  the 5          
  Highest night min was 13.3 ēC on  the 31          
  Lowest night min was 1.8 ēC on  the 18          
  Lowest grass min was -0.3 ēC on  the 4          
                       
Total rainfall this month was 47.7 mm which is 56.2 per  cent of the 1971-2000 average  
  Highest daily fall was 24.2 mm on  the 14          
Number of hours with rain was 0.0 hrs              
Equiv. TSR rainfall duration was 0.0 hrs which is   per  cent of the 1971-2000 average  
  Highest no of wet hrs 0.0 hrs on  the            
  Highest equiv duration 0.0 hrs on  the            
                       
Total sunshine this month was 242.1 hrs which is 115.8 per  cent of the 1971-2000 average  
Equiv. C/S sunshine total was 266.3 hrs which is 115.8 per  cent of the 1971-2000 average  
  Highest daily sun was 10.9 hrs on  the 27          
                       
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 0   0.2mm rain 13   No  sun 0   Snow lying 0  
Grnd Frost 1   1.0mm 8   3h  sun 28   Snow/sleet 0  
Max < 0ēC 0   5mm 2   6h  sun 27   Hail 0  
Max > 10 30   10mm 1   9h  sun 11   Thunder 0  
Max > 20 20   25mm 0   12h sun 0   Fog at 09Z 0  
Max > 30 3   50mm 0   15h sun 0   Gale 0  
                       
Notable events during the month:                
Abnormally cold 5th-7th with a strong NE wind;  max of 6.2ēC on the 5th was probably the lowest in May for at least four years