condition	mean	min	max
4 h after light	10.7	10.7	10.7
8 h after light	3.45	3.2	3.7
12 h after light	9.65	4.8	14.5
4 h after dark	2.4	2.0	2.8
8 h after dark	2.0	1.2	2.8
12 h after dark	2.7	2.6	2.8