Time frequency is an important aspect. 10 days in a row with no sun is maddening for me vs 20 days where it alternates evenly between sun ball and no sun ball.

Time frequency is an important aspect. 10 days in a row with no sun is maddening for me vs 20 days where it alternates evenly between sun ball and no sun ball. As the author states: Of course this methodology is completely arbitrary and far from perfect, but it is a start.