condition	mean	min	max
4 h after light	7.5	7.5	7.5
8 h after light	11.899999999999999	4.1	19.7
12 h after light	16.2	1.9	30.5
4 h after dark	5.9	3.8	8.0
8 h after dark	3.95	2.5	5.4
12 h after dark	8.55	2.2	14.9