condition	mean	min	max
4 h after light	8.86125	8.68069	9.04862
8 h after light	8.99678	8.8395	9.11416
12 h after light	8.91506	8.851980000000001	9.02984
4 h after dark	8.97004	8.80973	9.07744
8 h after dark	8.785873333333335	8.41088	9.102310000000001
12 h after dark	8.775526666666666	8.48877	9.0461