condition	mean	min	max
4 h after light	2.7	2.7	2.7
8 h after light	7.55	1.9	13.2
12 h after light	10.75	2.9	18.6
4 h after dark	7.25	4.0	10.5
8 h after dark	32.75	25.3	40.2
12 h after dark	5.65	3.8	7.5