condition	mean	min	max
4 h after light	3.0	3.0	3.0
8 h after light	21.35	6.5	36.2
12 h after light	3.7	1.9	5.5
4 h after dark	11.05	1.3	20.8
8 h after dark	3.15	2.4	3.9
12 h after dark	2.45	2.1	2.8