Monthly Climate Summary for August 2005 at Hampstead  
                        home daily
                        Mostly rather benign but changeable 19th-25th;  hot finish   back forward
                       
Overall mean temperature was 17.2 ēC which is +0.0 degC compared with the 1971-2000 average
Mean day maximum (09-21) was 22.2 ēC              
Mean night minimum (21-09) was 12.1 ēC              
Mean 24hr maximum (09-09) was 22.3 ēC which is +0.5 degC compared with the 1971-2000 average
Mean 24hr minimum (09-09) was 12.1 ēC which is -0.5 degC compared with the 1971-2000 average
  Highest day max was 31.4 ēC on  the   31          
  Lowest day max was 15.5 ēC on  the 19          
  Highest night min was 16.2 ēC on  the 31          
  Lowest night min was 9.1 ēC on  the 26          
  Lowest grass min was 7.5 ēC on  the 8          
                       
Total rainfall this month was 58.1 mm which is 93.7 per  cent of the 1971-2000 average  
  Highest daily fall was 12.1 mm on  the 24          
Number of hours with rain was 61.0 hrs              
Equiv. TSR rainfall duration was 42.7 hrs which is 125.6 per  cent of the 1971-2000 average  
  Highest no of wet hrs 12.0 hrs on  the 22          
  Highest equiv duration 10.0 hrs on  the 22          
Mean rainfall intensity 1.36 mm/h              
                       
Total sunshine this month was 187.0 hrs which is 108.8 per  cent of the 1971-2000 average  
Equiv. C/S sunshine total was 205.7 hrs which is 108.8 per  cent of the 1971-2000 average  
  Highest daily sun was 10.4 hrs on  the 9          
                       
Maximum  snow depth  was 0.0 cm on the            
                       
Mean sea-level pressure at 09Z 1019.6 mbar which is +3.3 mbar compared with the 1961-1990 average
  Highest pressure at 09Z 1027.5 mbar on  the 4          
  Lowest  pressure at 09Z 1004.4 mbar on  the 25          
                       
Number of days with:                    
Air Frost 0   0.2mm rain 11   No  sun 1   Snow lying 0  
Grnd Frost 0   1.0mm 9   3h  sun 26   Snow/sleet 0  
Max < 0ēC 0   5mm 6   6h  sun 17   Hail 0  
Max > 10 31   10mm 2   9h  sun 8   Thunder 1  
Max > 20 23   25mm 0   12h sun 0   Fog at 09Z 0  
Max > 30 1         15h sun 0   Gale 0  
                       
Notable events during the month:                 
Coolest August since 1993 (thanks to the rather cold nights)            
31st was the hottest day this late in the season since 1949