Monthly Climate Summary for January 1985  at Whipsnade, Beds
                          home daily
                           Very cold with frequent snow until the 20th, then mild and unsettled     back forward
                         
Overall mean temperature was -0.5 ēC which is -3.3 degC compared with the 1971-2000 average  
Mean day maximum (09-21) was 1.6 ēC which is -3.7 degC compared with the 1971-2000 average  
Mean night minimum (21-09) was -2.6 ēC which is -3.0 degC compared with the 1971-2000 average  
Mean 24hr maximum (09-09) was 1.9 ēC                
Mean 24hr minimum (09-09) was -3.2 ēC                
  Highest day max was 10.1 ēC on  the   29            
  Lowest day max was -5.4 ēC on  the 16            
  Highest night min was 6.4 ēC on  the 31            
  Lowest night min was -10.4 ēC on  the 17            
  Lowest grass min was -12.6 ēC on  the 17            
                         
Total rainfall this month was 54.9 mm which is 81.9 per  cent of the 1971-2000 average    
  Highest daily fall was 10.2 mm on  the 25            
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 47.0 hrs which is 89.4 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 7.4 hrs on  the 22            
                         
Maximum  snow depth  was 11.0 cm on  the  16,17            
                         
Mean sea-level pressure at 09Z 1013.8 mbar which is -0.8 mbar compared with the 1961-1990 average  
  Highest pressure at 09Z 1032.5 mbar on  the 14            
  Lowest  pressure at 09Z 984.3 mbar on  the 21            
                         
Number of days with:                      
Air Frost 25   0.2mm rain 19   No  sun 10   Snow lying 17    
Grnd Frost 29   1.0mm 11   3h  sun 6   Snow/sleet 20    
Max < 0ēC 11   5mm 4   6h  sun 3   Hail 2    
Max > 10 1   10mm 1   9h  sun 0   Thunder 0    
Max > 20 0   25mm 0   12h sun 0   Fog at 09Z 2    
Max > 30 0         15h sun 0   Gale 0    
                         
Notable events during the month:                  
Snow fell daily until the 16th, often dry and powdery in nature, though never in large amouts. By 17th it lay 11cm deep with drifts to 0.5m.  
                         
                         
Max temp of -5.4ēC on the 16th, and a min of -10.4ēC the following night.