condition mean min max 0 h after light 0.1915305 0.143488 0.239573 4 h after light 0.2892515 0.188628 0.389875 8 h after light 0.21567350000000002 0.194749 0.236598 4 h after dark 0.282496 0.234872 0.33012 8 h after dark 0.30718 0.237514 0.376846 12 h after dark 0.49737000000000003 0.373796 0.620944