condition	mean	min	max
4 h after light	2.5	2.5	2.5
8 h after light	19.75	14.1	25.4
12 h after light	3.5999999999999996	2.1	5.1
4 h after dark	3.55	3.2	3.9
8 h after dark	4.45	1.5	7.4
12 h after dark	1.7999999999999998	0.8	2.8