condition	mean	min	max
4 h after light	6.1	6.1	6.1
8 h after light	33.6	8.0	59.2
12 h after light	8.35	6.7	10.0
4 h after dark	9.1	7.6	10.6
8 h after dark	8.65	5.4	11.9
12 h after dark	8.35	6.1	10.6