condition	mean	min	max
4 h after light	13.2562	12.5064	14.006
8 h after light	7.24638	6.3892	8.10356
12 h after light	11.83185	11.7915	11.8722
4 h after dark	22.7545	22.2683	23.2407
8 h after dark	24.192700000000002	23.9752	24.4102
12 h after dark	20.839	19.9816	21.6964