condition	mean	min	max
4 h after light	3.5	3.5	3.5
8 h after light	5.5	2.9	8.1
12 h after light	4.6000000000000005	1.8	7.4
4 h after dark	1.8	0.9	2.7
8 h after dark	2.7	1.8	3.6
12 h after dark	2.0	1.7	2.3