condition	mean	min	max
4 h after light	8.196045	5.01659	11.3755
8 h after light	2.22181	1.37149	3.07213
12 h after light	1.87602	0.0	3.75204
4 h after dark	4.9587	4.37262	5.54478
8 h after dark	4.632265	3.83467	5.42986
12 h after dark	5.762005	1.8163	9.70771