condition mean min max 0 h after light 5.443160000000001 5.00734 5.87898 4 h after light 7.156965 5.97509 8.33884 8 h after light 5.517165 4.9708 6.06353 4 h after dark 6.844110000000001 6.25718 7.43104 8 h after dark 10.169545 9.97319 10.3659 12 h after dark 6.3780850000000004 6.02626 6.72991