This is what a reporting system looks like....
Here is one of my arrays. You can see that one panel towards the top left is slightly lower than the others, I went outside to look and a big Heron was sitting up there enjoying the morning sun. On the bottom right there are 2 panels that are showing low output, that is the shade from my neighbors coconut trees but that occurs every day till about 10.00am when the sun is high enough.
Here is a graph which shows yesterday was a cloudy day:
For comparison, here's a rainy day from this week:
And a sunny day: