condition	mean	min	max
4 h after light	5.9	5.9	5.9
8 h after light	3.5999999999999996	2.4	4.8
12 h after light	18.0	2.9	33.1
4 h after dark	11.1	7.0	15.2
8 h after dark	16.5	6.4	26.6
12 h after dark	19.05	9.9	28.2