Append to an Evernote note your daily activity summaries
If
Daily activity summary
This Trigger fires every time your Fitbit tracker syncs for the first time today and your previous day's stats are available.
Then
Append to note
This Action will append to a note as determined by its title and notebook. Once a note’s size reaches 2MB a new note will be created.
Explore more great ways to automate Fitbit and Evernote