The problem is a bit more complex than demonstrating that values fluctuate around an average
We know, we told you that... and it's taken you this long to finally admit that an average is not the way to go.
That goes without saying.
Only once we spent 20 millions posts telling you.
The problem is find a window to encompass the duration of a mission that is significantly below average and then repeating such a feat 7 more times. Remember GCR background radiation is only a portion of the overall radiation.
You set the boundary of below 0.22 mGr/day, that was your criterion. You chose this from Apollo 11 as it was the smallest number. Let's not forget that the other missions had greater average doses. So by your own criteria, the GCR dose fall below those values more frequently.
We've shown this to be the case with the CRaTER data, which is a less active cycle. Case closed in accord with your own criteria.