condition	mean	min	max
4 h after light	6.5	6.5	6.5
8 h after light	31.35	21.5	41.2
12 h after light	4.3	3.6	5.0
4 h after dark	8.25	8.0	8.5
8 h after dark	9.15	4.3	14.0
12 h after dark	8.2	5.5	10.9