condition	mean	min	max
4 h after light	7.703105	7.09338	8.31283
8 h after light	9.400175	9.14869	9.65166
12 h after light	11.1558	11.0231	11.2885
4 h after dark	14.2781	13.2169	14.9507
8 h after dark	11.9072	10.4879	13.681
12 h after dark	10.90216	8.79851	13.9442