condition	mean	min	max
4 h after light	3.1	3.1	3.1
8 h after light	5.5	3.5	7.5
12 h after light	4.55	2.1	7.0
4 h after dark	0.8500000000000001	0.6	1.1
8 h after dark	1.8	1.0	2.6
12 h after dark	3.95	3.9	4.0