Monthly Climate Summary for  March  2010 at Hampstead  
                        home daily
              First half cold, dry and sunny;  second half mild, cloudy with frequent rain   back forward
                       
Overall mean temperature was 6.6 ēC which is +0.1 degC compared with the 1971-2000 average
Mean day maximum (09-21) was 10.4 ēC              
Mean night minimum (21-09) was 3.2 ēC              
Mean 24hr maximum (09-09) was 10.2 ēC which is +0.2 degC compared with the 1971-2000 average
Mean 24hr minimum (09-09) was 3.1 ēC which is +0.1 degC compared with the 1971-2000 average
  Highest day max was 16.3 ēC on  the   18          
  Lowest day max was 4.1 ēC on  the 7          
  Highest night min was 10.4 ēC on  the 20          
  Lowest night min was -4.0 ēC on  the 7          
  Lowest grass min was -7.1 ēC on  the 7          
                       
Total rainfall this month was 45.7 mm which is 89.7 per  cent of the 1971-2000 average  
  Highest daily fall was 7.6 mm on  the 23          
Number of hours with rain was 79.0 hrs              
Equiv. TSR rainfall duration was 55.3 hrs which is 115.2 per  cent of the 1971-2000 average  
  Highest no of wet hrs 13.0 hrs on  the 20          
  Highest equiv duration 10.8 hrs on  the 20          
Mean rainfall intensity 0.83 mm/h              
                       
Total sunshine this month was 123.9 hrs which is 124.0 per  cent of the 1971-2000 average  
Equiv. C/S sunshine total was 136.3 hrs which is 124.0 per  cent of the 1971-2000 average  
  Highest daily sun was 8.1 hrs on  the 7          
                       
Maximum  snow depth  was   cm on the            
                       
Mean sea-level pressure at 09Z 1017.4 mbar which is +2.6 mbar compared with the 1961-1990 average
  Highest pressure at 09Z 1033.9 mbar on  the 7          
  Lowest  pressure at 09Z 986.0 mbar on  the 31          
                       
Number of days with:                    
Air Frost 5   0.2mm rain 14   No  sun 0   Snow lying 0  
Grnd Frost 17   1.0mm 12   3h  sun 18   Snow/sleet 0  
Max < 0ēC 0   5mm 5   6h  sun 11   Hail 0  
Max > 10 20   10mm 0   9h  sun 0   Thunder 0  
Max > 20 0   25mm 0   12h sun 0   Fog at 09Z 0  
Max > 30 0         15h sun 0   Gale 0  
                       
Notable events during the month: