condition	mean	min	max
4 h after light	3.3	3.3	3.3
8 h after light	3.9	1.8	6.0
12 h after light	5.5	3.8	7.2
4 h after dark	19.95	2.8	37.1
8 h after dark	10.149999999999999	4.1	16.2
12 h after dark	4.35	3.6	5.1