condition	mean	min	max
4 h after light	2.075753333333333	1.25823	3.41139
8 h after light	1.5367293333333334	0.482178	2.33592
12 h after light	2.49899	1.73745	3.20259
4 h after dark	1.47651	1.21902	1.91362
8 h after dark	2.27055	1.98495	2.79611
12 h after dark	2.46104	2.30139	2.60386