condition	mean	min	max
4 h after light	3.241804	3.0277130000000003	3.612078
8 h after light	2.2771376666666665	1.621523	2.65429
12 h after light	1.6075896666666667	1.5487790000000001	1.6649509999999998
16 h after light	4.207684666666667	3.0409450000000002	5.092859
4 h after dark	2.924118	2.135886	4.32624
8 h after dark	3.0033749999999997	2.0889130000000002	3.6333059999999997