condition	mean	min	max
4 h after light	3.3798166666666667	2.6774	3.78121
8 h after light	2.2376050000000003	0.599685	3.84554
12 h after light	2.2894966666666665	1.33272	3.49354
4 h after dark	5.04429	4.14877	5.79406
8 h after dark	5.40938	4.01085	6.51528
12 h after dark	6.16265	5.88303	6.65516