Monthly Climate Summary for July 2010 at Hampstead  
                        home daily
Very dry with many warm days, but generally rather cloudy   back forward
                       
Overall mean temperature was 19.1 C which is +1.7 degC compared with the 1971-2000 average
Mean day maximum (09-21) was 23.8 C              
Mean night minimum (21-09) was 14.3 C              
Mean 24hr maximum (09-09) was 23.9 C which is +1.9 degC compared with the 1971-2000 average
Mean 24hr minimum (09-09) was 14.3 C which is +1.6 degC compared with the 1971-2000 average
  Highest day max was 30.4 C on the 9          
  Lowest day max was 19.5 C on the 23          
  Highest night min was 18.6 C on the 2          
  Lowest night min was 11.3 C on the 30          
  Lowest grass min was 4.0 C on the 18          
                       
Total rainfall this month was 11.8 mm which is 25.1 per cent of the 1971-2000 average  
  Highest daily fall was 3.5 mm on the 14          
Number of hours with rain was 25.0 hrs              
Equiv. TSR rainfall duration was 17.5 hrs which is 62.5 per cent of the 1971-2000 average  
  Highest no of wet hrs 6.0 hrs on the 14          
  Highest equiv duration 5.0 hrs on the 14          
Mean Rainfall Intensity 0.67 mm/h              
                       
Total sunshine this month was 163.2 hrs which is 93.0 per cent of the 1971-2000 average  
Equiv. C/S sunshine total was 179.5 hrs which is 93.0 per cent of the 1971-2000 average  
  Highest daily sun was 10.8 hrs on the 9          
                       
Maximum snow depth was 0.0 cm              
                       
Mean sea-level pressure at 09Z 1017.1 mbar which is -0.3 mbar compared with the 1961-1990 average
  Highest pressure at 09Z 1027.7 mbar on the 6          
  Lowest pressure at 09Z 1005.1 mbar on the 15          
                       
Number of days with:                    
Air Frost 0   >0.2mm rain 9   No sun 0   Snow lying 0  
Grnd Frost 0   >1.0mm 4   3h sun 22   Snow/sleet 0  
Max < 0C 0   > 5mm 0   6h sun 15   Hail 0  
Max > 10 31   > 10mm 0   9h sun 3   Thunder 1  
Max > 20 29   > 25mm 0   12h sun 0   Fog at 09Z 0  
Max > 30 1         15h sun 0   Gale 0  
                       
Notable events during the month: