condition	mean	min	max
4 h after light	3.9	3.9	3.9
8 h after light	4.35	4.3	4.4
12 h after light	2.35	2.1	2.6
4 h after dark	5.5	3.4	7.6
8 h after dark	19.75	3.6	35.9
12 h after dark	1.7000000000000002	1.6	1.8