condition mean min max 0 h after light 0.471542 0.247994 0.69509 2 h after light 0.0 0.0 0.0 4 h after light 0.2290495 0.157018 0.301081 8 h after light 0.316606 0.316004 0.317208 12 h after light 0.751827 0.622959 0.880695 2 h after dark 0.658157 0.601661 0.714653 4 h after dark 0.605714 0.519234 0.692194 8 h after dark 0.5518115 0.520587 0.583036 12 h after dark 0.5202415 0.409838 0.630645