condition	mean	min	max
4 h after light	6.50373	5.00872	7.99874
8 h after light	6.10643	6.0926	6.12026
12 h after light	6.335224999999999	6.28852	6.38193
4 h after dark	9.54368	9.18628	10.0219
8 h after dark	8.16023	7.48996	8.70166
12 h after dark	8.473593333333334	7.56559	10.2367