condition	mean	min	max
4 h after light	10.5	10.5	10.5
8 h after light	14.0	14.0	14.0
12 h after light	10.55	5.4	15.7
4 h after dark	10.25	5.7	14.8
8 h after dark	3.55	2.4	4.7
12 h after dark	10.75	4.4	17.1