condition	mean	min	max
0 h after light	8.836175	8.48516	9.18719
4 h after light	4.757820000000001	4.19188	5.32376
8 h after light	3.9932350000000003	3.5771	4.40937
4 h after dark	5.2707	4.90155	5.63985
8 h after dark	4.785304999999999	3.83057	5.74004
12 h after dark	4.372145	4.20783	4.53646