condition mean min max 0 h after light 0.07305625 0.0729911 0.0731214 4 h after light 0.2542855 0.148745 0.359826 8 h after light 0.21872750000000002 0.148601 0.288854 4 h after dark 0.359566 0.143373 0.575759 8 h after dark 0.18032399999999998 0.144986 0.215662 12 h after dark 0.1441985 0.142611 0.145786