Monthly Climate Summary for  July  2007  at Hampstead  
                        home daily
                                               Generally cool, dull, and wet   back forward
                       
Overall mean temperature was 16.5 ēC which is -0.8 degC compared with the 1971-2000 average
Mean day maximum (09-21) was 20.6 ēC              
Mean night minimum (21-09) was 12.4 ēC              
Mean 24hr maximum (09-09) was 20.6 ēC which is -1.4 degC compared with the 1971-2000 average
Mean 24hr minimum (09-09) was 12.4 ēC which is -0.3 degC compared with the 1971-2000 average
  Highest day max was 23.3 ēC on  the   19          
  Lowest day max was 18.1 ēC on  the 26          
  Highest night min was 16.8 ēC on  the 16          
  Lowest night min was 9.1 ēC on  the 31          
  Lowest grass min was 5.2 ēC on  the 30          
                       
Total rainfall this month was 88.7 mm which is 188.6 per  cent of the 1971-2000 average  
  Highest daily fall was 22.4 mm on  the 20          
Number of hours with rain was 67.0 hrs              
Equiv. TSR rainfall duration was 46.9 hrs which is 167.5 per  cent of the 1971-2000 average  
  Highest no of wet hrs 9.0 hrs on  the 2          
  Highest equiv duration 7.5 hrs on  the 2          
Mean rainfall intensity 1.89 mm/h              
                       
Total sunshine this month was 154.6 hrs which is 88.1 per  cent of the 1971-2000 average  
Equiv. C/S sunshine total was 170.1 hrs which is 88.1 per  cent of the 1971-2000 average  
  Highest daily sun was 9.8 hrs on  the 31          
                       
Maximum  snow depth  was 0.0 cm on the            
                       
Mean sea-level pressure at 09Z 1012.6 mbar which is -4.8 mbar compared with the 1961-1990 average
  Highest pressure at 09Z 1022.6 mbar on  the 31          
  Lowest  pressure at 09Z 1000.8 mbar on  the 3          
                       
Number of days with:                    
Air Frost 0   0.2mm rain 18   No  sun 0   Snow lying 0  
Grnd Frost 0   1.0mm 12   3h  sun 25   Snow/sleet 0  
Max < 0ēC 0   5mm 5   6h  sun 11   Hail 0  
Max > 10 31   10mm 3   9h  sun 1   Thunder 2  
Max > 20 21   25mm 0   12h sun 0   Fog at 09Z 0  
Max > 30 0         15h sun 0   Gale 0  
                       
Notable events during the month: