On this page we have published a link to an excel spreadsheet file which summarizes National Audubon data for our counts 62 through the latest 117. This was prepared by Jared Dawson using the data supplied by the National Audubon download page. Any errors in the derived numbers beyond the data supplied by National Audubon (or originally supplied by the local count compilers) are his.
For roughly each decade, there is an overall total of individuals detected; an average number computed using the number of years in the decade; and the maximum and minimum for that span of years.
Generally the species names are as reported, but there has been some editing for clarity.
The link to these data is: Summary spreadsheet counts 62-117