condition mean min max 0 h after light 6.68715 6.34826 7.02604 2 h after light 4.11859 4.07296 4.16422 4 h after light 3.707995 3.32113 4.09486 8 h after light 3.98731 3.27803 4.69659 12 h after light 5.9204349999999994 5.53661 6.30426 2 h after dark 7.109765 6.31533 7.9042 4 h after dark 7.721964999999999 7.40407 8.03986 8 h after dark 7.9394 5.9369 9.9419 12 h after dark 7.201779999999999 7.08099 7.32257