condition	mean	min	max
4 h after light	2.2431650000000003	2.02089	2.46544
8 h after light	2.0161100000000003	1.86103	2.17119
12 h after light	2.9265299999999996	2.75778	3.09528
4 h after dark	2.38016	2.25718	2.50314
8 h after dark	2.79727	2.55525	3.03929
12 h after dark	3.00402	2.92728	3.08076