Monthly Climate Summary for February 1991  at Whipsnade, Beds
                          home daily
                                     Very cold and wintry till the 20th, then much milder       back forward
                         
Overall mean temperature was 0.4 ēC which is -2.6 degC compared with the 1971-2000 average  
Mean day maximum (09-21) was 3.0 ēC which is -2.8 degC compared with the 1971-2000 average  
Mean night minimum (21-09) was -2.2 ēC which is -2.4 degC compared with the 1971-2000 average  
Mean 24hr maximum (09-09) was 3.3 ēC                
Mean 24hr minimum (09-09) was -2.5 ēC                
  Highest day max was 12.2 ēC on  the   25            
  Lowest day max was -4.7 ēC on  the 7            
  Highest night min was 7.5 ēC on  the 23            
  Lowest night min was -9.4 ēC on  the 7            
  Lowest grass min was -18.0 ēC on  the 10            
                         
Total rainfall this month was 55.7 mm which is 111.4 per  cent of the 1971-2000 average    
  Highest daily fall was 21.1 mm on  the 27            
Number of hours with rain was                    
Equiv. TSR rainfall duration was   hrs which is   per  cent of the 1971-2000 average    
  Highest no of wet hrs   hrs on  the              
  Highest duration   hrs on  the              
  Mean rainfall intensity   mm/hr                
                         
Total CS sunshine this month was 57.7 hrs which is 82.2 per  cent of the 1971-2000 average    
Equiv. C/S sunshine total was   hrs which is   per  cent of the 1971-2000 average    
  Highest daily sun was 8.4 hrs on  the 19            
                         
Maximum  snow depth  was 24.0 cm on  the  22            
                         
Mean sea-level pressure at 09Z 1017.4 mbar which is 2.2 mbar compared with the 1961-1990 average  
  Highest pressure at 09Z 1036.3 mbar on  the 5            
  Lowest  pressure at 09Z 1001.5 mbar on  the 15            
                         
Number of days with:                      
Air Frost 21   0.2mm rain 16   No  sun 9   Snow lying 15    
Grnd Frost 25   1.0mm 8   3h  sun 7   Snow/sleet 12    
Max < 0ēC 9   5mm 3   6h  sun 3   Hail 0    
Max > 10 3   10mm 2   9h  sun 0   Thunder 0    
Max > 20 0   25mm 0   12h sun 0   Fog at 09Z 3    
Max > 30 0         15h sun 0   Gale 0    
                         
Notable events during the month:                  
Snow fell for much of the 8th and 9th with the temp around -5ēC; this was the deepest snowfall here since Jan 1982