Monthly Climate Summary for November 2004 at Hampstead  
                        home daily
                                   Mainly dry, mild and dull. Cold snap 18th-21st   back forward
                       
Overall mean temperature was 7.8 ēC which is +0.7 degC compared with the 1971-2000 average
Mean day maximum (09-21) was 10.2 ēC              
Mean night minimum (21-09) was 5.6 ēC              
Mean 24hr maximum (09-09) was 10.3 ēC which is +0.5 degC compared with the 1971-2000 average
Mean 24hr minimum (09-09) was 5.2 ēC which is +0.9 degC compared with the 1971-2000 average
  Highest day max was 13.9 ēC on  the   4          
  Lowest day max was 2.8 ēC on  the 20          
  Highest night min was 9.8 ēC on  the 17          
  Lowest night min was -1.3 ēC on  the 20          
  Lowest grass min was -13.5 ēC on  the 20          
                       
Total rainfall this month was 43.3 mm which is 67.7 per  cent of the 1971-2000 average  
  Highest daily fall was 17.4 mm on  the 18          
Number of hours with rain was 77.0 hrs              
Equiv. TSR rainfall duration was 53.9 hrs which is 92.9 per  cent of the 1971-2000 average  
  Highest no of wet hrs 13.0 hrs on  the 18          
  Highest equiv duration 10.8 hrs on  the 18          
                       
Total sunshine this month was 54.0 hrs which is 63.0 per  cent of the 1971-2000 average  
Equiv. C/S sunshine total was 59.4 hrs which is 63.0 per  cent of the 1971-2000 average  
  Highest daily sun was 7.2 hrs on  the 13          
                       
Maximum  snow depth  was 0.2 cm   18          
                       
Mean sea-level pressure at 09Z 1023.2 mbar which is +8.7 mbar compared with the 1961-1990 average
  Highest pressure at 09Z 1037.0 mbar on  the 14          
  Lowest  pressure at 09Z 1012.8 mbar on  the 28          
                       
Number of days with:                    
Air Frost 3   0.2mm rain 19   No  sun 7   Snow lying 1  
Grnd Frost 6   1.0mm 9   3h  sun 7   Snow/sleet 3  
Max < 0ēC 0   5mm 2   6h  sun 3   Hail 0  
Max > 10 19   10mm 1   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:                 
Snow fell for a couple of hours on the evening of the 17th, leaving a slight cover