condition	mean	min	max
4 h after light	5.6172	4.71629	6.51811
8 h after light	4.907695	4.69141	5.12398
12 h after light	6.00043	5.87285	6.12801
4 h after dark	8.422535	8.39581	8.44926
8 h after dark	8.631329999999998	8.61606	8.6466
12 h after dark	8.336739999999999	7.88711	8.78637