condition	mean	min	max
0 h after light	1.612535	1.4557	1.76937
4 h after light	1.73516	1.49148	1.97884
8 h after light	1.009371	0.831722	1.18702
4 h after dark	1.455595	1.28863	1.62256
8 h after dark	2.04183	1.81468	2.26898
12 h after dark	1.87099	1.8447	1.89728