A "daily diary" is a written record of your activities, thoughts, and experiences that you write in every day. It helps you remember and reflect on what happened and how you felt on different days. Full definition
Provided overnight care 10 days a month and occasional childcare during domestic and international travel, and maintained daily diary of all activities. (resume-now.com)
In addition, she has conducted quantitative analysis for the Supporting Healthy Marriage project's daily diary study. (mdrc.org)
Most readers don't want to read daily diary entries from authors. (annerallen.com)