I updated this so you can input your months now (be aware a max of 100 records are displayed so many months will not work well on daily report). Unfortunately I do not have viabtc stats older than a few months yet. I do have slush since they began and several years of Kano.
Yes, it is important to look at everything long term. The amazing thing to me is that since we are just "rolling dice", it is possible that even with this lower hash rate (which is climbing thankfully) we could get 3 blocks in the next hour - or even 15. Granted it is not likely but possible. If that were to happen, the numbers would instantly change to a very different story.
nice! thanks for the addition! Even with viabtc not going back as many months - the comparison for Slush vs Kano shows that even with past 12 months that the variance is only in the $300 range.

I ran it back for 24 months and the variance was only about $1200. I was surprised to see that no matter the time range I use that kano was actually a lower net payout, but not by a huge variance.