condition	mean	min	max
4 h after light	3.5868700000000002	2.90233	4.27141
8 h after light	8.677285	8.66522	8.68935
12 h after light	10.854985	9.81117	11.8988
4 h after dark	12.27175	11.8947	12.6488
8 h after dark	9.74434	9.27658	10.2121
12 h after dark	7.9902999999999995	7.73932	8.24128