condition	mean	min	max
4 h after light	1.6	1.6	1.6
8 h after light	16.95	3.5	30.4
12 h after light	2.35	2.1	2.6
4 h after dark	2.85	2.6	3.1
8 h after dark	2.85	2.7	3.0
12 h after dark	16.3	6.1	26.5