condition	mean	min	max
4 h after light	9.73667	8.88064	10.5927
8 h after light	7.497965000000001	7.25126	7.74467
12 h after light	8.42517	7.65796	9.19238
4 h after dark	10.60645	10.2878	10.9251
8 h after dark	12.26175	11.3887	13.1348
12 h after dark	10.57677	9.89014	11.2634