condition	mean	min	max
4 h after light	2.6	2.6	2.6
8 h after light	10.95	5.1	16.8
12 h after light	5.5	5.2	5.8
4 h after dark	6.4	5.1	7.7
8 h after dark	5.45	4.4	6.5
12 h after dark	21.0	8.4	33.6