condition	mean	min	max
4 h after light	7.3	7.3	7.3
8 h after light	2.3499999999999996	2.3	2.4
12 h after light	2.85	2.7	3.0
4 h after dark	10.9	7.8	14.0
8 h after dark	7.4	5.0	9.8
12 h after dark	6.75	6.3	7.2