condition	mean	min	max
4 h after light	1.6	1.6	1.6
8 h after light	3.9	1.8	6.0
12 h after light	3.1	2.5	3.7
4 h after dark	1.9500000000000002	1.7	2.2
8 h after dark	3.25	2.1	4.4
12 h after dark	3.85	3.0	4.7