Monthly Climate Summary for  March  2009 at Hampstead  
                        home daily
                                Dry and sunny with warm days and cool nights   back forward
                       
Overall mean temperature was 7.7 ēC which is +1.2 degC compared with the 1971-2000 average
Mean day maximum (09-21) was 12.0 ēC              
Mean night minimum (21-09) was 3.6 ēC              
Mean 24hr maximum (09-09) was 12.0 ēC which is +2.0 degC compared with the 1971-2000 average
Mean 24hr minimum (09-09) was 3.4 ēC which is +0.4 degC compared with the 1971-2000 average
  Highest day max was 15.4 ēC on  the   16          
  Lowest day max was 7.5 ēC on  the 4          
  Highest night min was 8.8 ēC on  the 12          
  Lowest night min was -1.5 ēC on  the 6          
  Lowest grass min was -6.1 ēC on  the 6          
                       
Total rainfall this month was 24.0 mm which is 47.0 per  cent of the 1971-2000 average  
  Highest daily fall was 10.3 mm on  the 3          
Number of hours with rain was 39.0 hrs              
Equiv. TSR rainfall duration was 27.3 hrs which is 56.9 per  cent of the 1971-2000 average  
  Highest no of wet hrs 10.0 hrs on  the 3          
  Highest equiv duration 8.3 hrs on  the 3          
Mean rainfall intensity 0.88 mm/h              
                       
Total sunshine this month was 157.5 hrs which is 157.7 per  cent of the 1971-2000 average  
Equiv. C/S sunshine total was 173.3 hrs which is 157.7 per  cent of the 1971-2000 average  
  Highest daily sun was 9.3 hrs on  the 18          
                       
Maximum  snow depth  was 1.0 cm on the 23          
                       
Mean sea-level pressure at 09Z 1016.0 mbar which is +1.2 mbar compared with the 1961-1990 average
  Highest pressure at 09Z 1035.9 mbar on  the 17          
  Lowest  pressure at 09Z 983.3 mbar on  the 4          
                       
Number of days with:                    
Air Frost 2   0.2mm rain 13   No  sun 0   Snow lying 0  
Grnd Frost 12   1.0mm 6   3h  sun 23   Snow/sleet 0  
Max < 0ēC 0   5mm 1   6h  sun 12   Hail 1  
Max > 10 28   10mm 1   9h  sun 3   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: