condition	mean	min	max
4 h after light	3.8143000000000002	3.67765	3.95095
8 h after light	3.106325	2.76802	3.44463
12 h after light	3.33655	2.63355	4.03955
4 h after dark	5.446625	4.58289	6.31036
8 h after dark	4.39124	4.07043	4.71205
12 h after dark	3.9238999999999997	3.75304	4.09476