condition mean min max 4 h after light 0.11620685 0.0858387 0.146575 8 h after light 0.0 0.0 0.0 12 h after light 0.157071 0.134674 0.179468 4 h after dark 0.087437 0.0 0.16628 8 h after dark 0.342204 0.0 0.681491 12 h after dark 0.23728933333333332 0.0 0.592602