condition	mean	min	max
0 h after light	1.84565	1.10358	2.58772
4 h after light	1.143989	0.820188	1.46779
8 h after light	0.900447	0.410374	1.39052
4 h after dark	1.3275325	0.967335	1.68773
8 h after dark	1.50022	1.21418	1.78626
12 h after dark	1.54603	1.17954	1.91252