condition	mean	min	max
4 h after light	1.320143	0.941386	1.6989
8 h after light	1.33176	1.32282	1.3407
12 h after light	1.29987	1.07149	1.52825
4 h after dark	2.64909	2.20684	3.09134
8 h after dark	1.308805	1.25271	1.3649
12 h after dark	1.5096	1.14856	1.87064