Punctuality Worth Celebrating–First Arrivals 1996-2015

Thanks to Kerry for sharing this chart of his diligent recording!
ABD Chart du Annee 2015
Another Bufflehead, Kahooteenik, bang on the mark. The average is now 298.06   +/_ standard deviation of 2.82, sample size 18.
Mind the gap at Day 297.
first arrivals

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s