condition	mean	min	max
4 h after light	1.2	1.2	1.2
8 h after light	14.95	2.0	27.9
12 h after light	2.6	2.5	2.7
4 h after dark	12.05	2.6	21.5
8 h after dark	3.5	3.4	3.6
12 h after dark	2.55	1.4	3.7