condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.263763 0.247845 0.279681 12 h after light 0.315322 0.178829 0.451815 4 h after dark 0.6657866666666666 0.437235 0.9641 8 h after dark 0.23343833333333333 0.151328 0.28419 12 h after dark 0.156559 0.0 0.469677