condition	mean	min	max
4 h after light	2.6	2.6	2.6
8 h after light	12.2	4.2	20.2
12 h after light	26.65	24.6	28.7
4 h after dark	10.2	6.7	13.7
8 h after dark	5.1	4.3	5.9
12 h after dark	4.05	2.5	5.6