condition	mean	min	max
4 h after light	2.1	2.1	2.1
8 h after light	4.5	3.6	5.4
12 h after light	12.0	3.6	20.4
4 h after dark	14.899999999999999	10.4	19.4
8 h after dark	16.9	2.6	31.2
12 h after dark	2.5	1.8	3.2