condition	mean	min	max
4 h after light	1.2	1.2	1.2
8 h after light	2.5	2.3	2.7
12 h after light	1.85	1.7	2.0
4 h after dark	5.5	4.8	6.2
8 h after dark	4.8500000000000005	1.8	7.9
12 h after dark	2.45	2.1	2.8