Monthly Climate Summary for November 2009 at Hampstead  
                        home daily
                                             Exceptionally wet but very mild   back forward
                       
Overall mean temperature was 9.1 ēC which is +2.1 degC compared with the 1971-2000 average
Mean day maximum (09-21) was 11.4 ēC              
Mean night minimum (21-09) was 6.9 ēC              
Mean 24hr maximum (09-09) was 11.5 ēC which is +1.7 degC compared with the 1971-2000 average
Mean 24hr minimum (09-09) was 6.8 ēC which is +2.5 degC compared with the 1971-2000 average
  Highest day max was 15.7 ēC on  the   1          
  Lowest day max was 5.7 ēC on  the 30          
  Highest night min was 11.9 ēC on  the 19          
  Lowest night min was 2.2 ēC on  the 10          
  Lowest grass min was -1.5 ēC on  the 10          
                       
Total rainfall this month was 158.3 mm which is 247.3 per  cent of the 1971-2000 average  
  Highest daily fall was 29.5 mm on  the 29          
Number of hours with rain was 147.0 hrs              
Equiv. TSR rainfall duration was 102.9 hrs which is 177.4 per  cent of the 1971-2000 average  
  Highest no of wet hrs 20.0 hrs on  the 30          
  Highest equiv duration 16.6 hrs on  the 30          
Mean rainfall intensity   1.54 mm/h              
                       
Total sunshine this month was 67.7 hrs which is 107.4 per  cent of the 1971-2000 average  
Equiv. C/S sunshine total was 74.5 hrs which is 107.4 per  cent of the 1971-2000 average  
  Highest daily sun was 6.5 hrs on  the 7          
                       
Maximum  snow depth  was 0.0 cm on the            
                       
Mean sea-level pressure at 09Z 1002.3 mbar which is -12.2 mbar compared with the 1961-1990 average
  Highest pressure at 09Z 1020.4 mbar on  the 9          
  Lowest  pressure at 09Z 986.7 mbar on  the 29          
                       
Number of days with:                    
Air Frost 0   0.2mm rain 25   No  sun 2   Snow lying 0  
Grnd Frost 2   1.0mm 20   3h  sun 12   Snow/sleet 0  
Max < 0ēC 0   5mm 11   6h  sun 1   Hail 0  
Max > 10 22   10mm 6   9h  sun 0   Thunder 1  
Max > 20 0   25mm 1   12h sun 0   Fog at 09Z 2  
Max > 30 0         15h sun 0   Gale 0  
                       
Notable events during the month: