condition	mean	min	max
4 h after light	1.388765	1.34042	1.43711
8 h after light	3.90348	3.87727	3.92969
12 h after light	2.002985	1.7165	2.28947
4 h after dark	3.444655	2.86223	4.02708
8 h after dark	1.487635	1.34539	1.62988
12 h after dark	1.35053	1.21415	1.48691