We've been here at the parks since Tuesday. Tuesday was great with low crowds. Wednesday and Thursday were crazy busy, I mean lines for bathrooms way out the door. Friday, Saturday and today have been less crowded. I've been noticing in past trips, weekends are less busy than weekdays.
One of the indicators I use is the time in between when I can pull maxpasses. Today, I was able to pull one every 30 minutes until 10:30 am then it went to an hour in between, etc. as day wore on. Hope this helps.