Monthly sightings and survey data per year are plotted to help decipher the survey effort by month and year. 3-4 months per page to help show progression in effort and sightings.

Click on the thumbnail to view the full sized image, or get the printable map series version for 1978-1989 (pdf, 24mb) or the printable map series version for 1990-2003 (pdf, 40mb). 

1978      
     
September - December      
 
1979 1979 1979  
 
January - May May - September September - December  
 
1980 1980 1980  
 
January - May May - September September - December  
 
1981 1981 1981  
 
January - May May - September September - December  
 
1984 1985    
   
May - September May - September    
 
1986 1986    
   
January - May May - September    
 
1987 1987 1987
January - May May - September September - December
 
1988 1988 1988
 
January - May May - September September - December
 
1989 1989 1989
January - May May - September September - December  
 
1990 1990 1990  
 
January - May May - September September - December  
 
1991 1991 1991  
 
January - May May - September September - December  
 
1992 1992 1992  
 
January - May May - September September - December  
 
1993 1993    
   
May - September September - December    
 
1994 1994    
       
May - September September - December    
 
1995 1995    
   
May - September September - December    
 
1996 1996    
   
May - September September - December    
 
1997 1997 1997  
 
January - May May - September September - December  
 
1998 1998 1998  
 
January - May May - September September - December  
 
1999 1999 1999 1999
Cape Cod Bay and
Bay of Fundy Closeups
January - May May - September September - December
 
2000 2000 2000  
 
January - May May - September September - January  
 
2001 2001 2001  
 
January - May May - September September - January  
 
2002 2002 2002  
 
January - May May - September September - January  
 
2003 2003 2003  
 
January - May May - September September - December