condition	mean	min	max
4 h after light	5.8	5.8	5.8
8 h after light	3.5	1.9	5.1
12 h after light	13.5	2.5	24.5
4 h after dark	19.15	18.1	20.2
8 h after dark	4.05	3.1	5.0
12 h after dark	23.1	16.3	29.9