condition	mean	min	max
4 h after light	1.2	1.2	1.2
8 h after light	1.35	1.0	1.7
12 h after light	2.25	1.1	3.4
4 h after dark	27.55	1.1	54.0
8 h after dark	2.7	2.1	3.3
12 h after dark	2.1	2.0	2.2