condition mean min max 4 h after light 0.1710805 0.150365 0.191796 8 h after light 0.2714805 0.238297 0.304664 12 h after light 0.1218733 0.0493586 0.194388 4 h after dark 0.1582606 0.067184 0.329201 8 h after dark 0.16272443333333333 0.0696611 0.325502 12 h after dark 0.3487443333333333 0.275966 0.483223