Monthly Climate Summary for  July  2008  at Hampstead  
                        home daily
                   Very wet till the 11th;  cool until the 21st;  fair and warm last ten days   back forward
                       
Overall mean temperature was 17.4 ēC which is 0.0 degC compared with the 1971-2000 average
Mean day maximum (09-21) was 21.6 ēC              
Mean night minimum (21-09) was 13.2 ēC              
Mean 24hr maximum (09-09) was 21.6 ēC which is -0.4 degC compared with the 1971-2000 average
Mean 24hr minimum (09-09) was 13.2 ēC which is +0.5 degC compared with the 1971-2000 average
  Highest day max was 28.3 ēC on  the   28          
  Lowest day max was 16.2 ēC on  the 9          
  Highest night min was 18.0 ēC on  the 23          
  Lowest night min was 8.9 ēC on  the 13          
  Lowest grass min was 4.4 ēC on  the 4          
                       
Total rainfall this month was 53.7 mm which is 114.2 per  cent of the 1971-2000 average  
  Highest daily fall was 21.1 mm on  the 9          
Number of hours with rain was 48.0 hrs              
Equiv. TSR rainfall duration was 33.6 hrs which is 120.0 per  cent of the 1971-2000 average  
  Highest no of wet hrs 15.0 hrs on  the 9          
  Highest equiv duration 12.5 hrs on  the 9          
Mean Rainfall Intensity 1.60 mm/h              
                       
Total sunshine this month was 166.3 hrs which is 94.8 per  cent of the 1971-2000 average  
Equiv. C/S sunshine total was 183.0 hrs which is 94.8 per  cent of the 1971-2000 average  
  Highest daily sun was 11.7 hrs on  the 1          
                       
Maximum  snow depth  was 0.0 cm              
                       
Mean sea-level pressure at 09Z 1015.0 mbar which is -2.4 mbar compared with the 1961-1990 average
  Highest pressure at 09Z 1027.2 mbar on  the 22          
  Lowest  pressure at 09Z 996.6 mbar on  the 7          
                       
Number of days with:                    
Air Frost 0   >0.2mm rain 11   No  sun 1   Snow lying 0  
Grnd Frost 0   >1.0mm 6   3h  sun 24   Snow/sleet 0  
Max < 0ēC 0   >   5mm 4   6h  sun 12   Hail 0  
Max > 10 31   > 10mm 2   9h  sun 5   Thunder 4  
Max > 20 20   > 25mm 0   12h sun 0   Fog at 09Z 0  
Max > 30 0         15h sun 0   Gale 0  
                       
Notable events during the month: