condition	mean	min	max
4 h after light	3.2	3.2	3.2
8 h after light	9.85	5.1	14.6
12 h after light	4.85	4.7	5.0
4 h after dark	3.55	2.5	4.6
8 h after dark	5.5	3.4	7.6
12 h after dark	5.35	4.9	5.8