condition	mean	min	max
4 h after light	3.9	3.9	3.9
8 h after light	2.9000000000000004	2.7	3.1
12 h after light	3.5	3.5	3.5
4 h after dark	3.0	1.7	4.3
8 h after dark	5.5	2.2	8.8
12 h after dark	17.95	6.0	29.9