| River Gade at
      
      Croxley Green
      
    
    
    
      
      Latest at 10:45pm on 30 October | 0.09m | steady | NORMAL | 
              
                
  
  | River Colne at
      
      Moor Lane
      
    
    
    
      
      Latest at 10:45pm on 30 October | 7.45m | steady | NORMAL | 
              
                
  
  | River Chess at
      
      Rickmansworth - Downstream
      
    
    
    
      
      Latest at 10:45pm on 30 October | 0.03m | steady | NORMAL | 
              
                
  
  | River Chess at
      
      Rickmansworth
      
    
    
    
      
      Latest at 10:45pm on 30 October | 0.09m | steady | NORMAL | 
              
                
  
  | River Colne at
      
      Watford
      
    
    
    
      
      Latest at 10:45pm on 30 October | 0.20m | steady | NORMAL | 
              
                
  
  | Pinner Cemetery Auto rain gauge
    
    
      
      Totals up to 10:45pm on 30 October | 0mm | 0mm | 0.6mm | 
              
                
  
  | River Pinn at
      
      Waxwell Lane
      
    
    
    
      
      Latest at 6:00pm on 30 October | 0.17m | steady | NORMAL | 
              
                
  
  | River Pinn at
      
      Pinner, Avenue Road
      
    
    
    
      
      Latest at 10:45pm on 30 October | 0.18m | steady | NORMAL | 
              
                
  
  | River Pinn at
      
      Pinner, Moss Close
      
    
    
    
      
      Latest at 10:45pm on 30 October | 0.14m | steady | LOW | 
              
                
  
  | Cannon Brook at
      
      Howletts Lane, Ruislip
      
    
    
    
      
      Latest at 10:00am on 30 October | 0.14m | steady | NORMAL | 
              
                
  
  | River Pinn at
      
      Ruislip
      
    
    
    
      
      Latest at 10:45pm on 30 October | 0.15m | steady | NORMAL | 
              
                
  
  | River Pinn at
      
      Pinner, Eastcote Road
      
    
    
    
      
      Latest at 10:45pm on 30 October | 0.31m | steady | NORMAL |