condition	mean	min	max
4 h after light	8.4	8.4	8.4
8 h after light	2.6	1.7	3.5
12 h after light	4.45	2.0	6.9
4 h after dark	3.6	2.5	4.7
8 h after dark	3.35	1.3	5.4
12 h after dark	7.949999999999999	6.8	9.1