condition mean min max 4 h after light 0.03720885 0.0370642 0.0373535 8 h after light 0.03539795 0.0302638 0.0405321 12 h after light 0.04299475 0.0369616 0.0490279 4 h after dark 0.08099915 0.0327733 0.129225 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0