condition	mean	min	max
4 h after light	12.4	12.4	12.4
8 h after light	4.8	2.9	6.7
12 h after light	4.1	4.0	4.2
4 h after dark	5.55	3.0	8.1
8 h after dark	12.7	7.1	18.3
12 h after dark	9.5	2.1	16.9