condition	mean	min	max
4 h after light	9.42704	5.4808	13.3332
8 h after light	10.32963	2.61829	15.6274
12 h after light	11.574206666666667	6.90372	15.3796
4 h after dark	10.22201	8.61153	11.434
8 h after dark	6.31306	4.31799	7.55581
12 h after dark	9.776193333333334	8.00408	10.6737