Monthly Climate Summary for September 2004 at Milhaguet (Carreau)
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                A dry month.  Hot and sunny till the 10th, mostly cool after mid-month   Back Forward
                       
Overall mean temperature was 16.4 ēC which is +0.2 degC compared with the 1971-2000 average
Mean day maximum (09-21) was 22.0 ēC which is -1.2 degC compared with the 1971-2000 average
Mean night minimum (21-09) was 10.7 ēC which is +1.5 degC compared with the 1971-2000 average
Mean 24hr maximum (09-09) was 22.0 ēC              
Mean 24hr minimum (09-09) was 10.8 ēC              
  Highest day max was 30.0 ēC on  the   8          
  Lowest day max was 14.6 ēC on  the 25          
  Highest night min was 18.5 ēC on  the 5          
  Lowest night min was 3.9 ēC on  the 25          
  Lowest grass min was 4.9 ēC on  the 25          
                       
Total rainfall this month was 37.0 mm which is 40.6 per  cent of the 1971-2000 average  
  Highest daily fall was 11.4 mm on  the 23          
Number of hours with rain was 46.0 hrs              
Equiv. TSR rainfall duration was 32.2 hrs which is   per  cent of the 1971-2000 average  
  Highest no of wet hrs 15.0 hrs on  the 23          
  Highest equiv duration 12.0 hrs on  the 23          
Mean rainfall intensity   1.15 mm/hr              
                       
Total sunshine this month was 174.0 hrs which is 95.6 per  cent of the 1971-2000 average  
Equiv. C/S sunshine total was 191.4 hrs which is 95.6 per  cent of the 1971-2000 average  
  Highest daily sun was 9.5 hrs on  the 1          
                       
Maximum  snow depth  was 0.0 cm on  the             
                       
Mean sea-level pressure at 09Z 1021.1 mbar which is +2.7 mbar compared with the 1961-1990 average
  Highest pressure at 09Z 1028.6 mbar on  the 22          
  Lowest  pressure at 09Z 1015.1 mbar on  the 1          
                       
Number of days with:                    
Air Frost 0   0.2mm rain 11   No  sun 1   Snow lying 0  
Grnd Frost 0   1.0mm 8   3h  sun 26   Snow/sleet 0  
Max < 0ēC 0   5mm 3   6h  sun 15   Hail 0  
Max > 10 30   10mm 1   9h  sun 7   Thunder 4  
Max > 20 18   25mm 0   12h sun 0   Fog at 09Z 4  
Max > 30 1   50mm 0   15h sun 0   Gale 0  
                       
Notable events during the month: