condition	mean	min	max
4 h after light	45.2	45.2	45.2
8 h after light	12.15	9.0	15.3
12 h after light	10.25	5.8	14.7
4 h after dark	6.15	4.6	7.7
8 h after dark	30.0	4.0	56.0
12 h after dark	6.9	3.8	10.0