condition mean min max 0 h after light 0.441681 0.405265 0.478097 4 h after light 0.293717 0.224836 0.362598 8 h after light 0.18297595 0.0748729 0.291079 4 h after dark 0.126703 0.108358 0.145048 8 h after dark 0.0547885 0.0 0.109577 12 h after dark 0.1461093 0.0718546 0.220364