condition	mean	min	max
4 h after light	7.243285	5.91236	8.57421
8 h after light	13.420449999999999	12.2334	14.6075
12 h after light	14.136800000000001	13.2308	15.0428
4 h after dark	23.7684	23.5428	23.994
8 h after dark	16.3444	15.7298	16.959
12 h after dark	13.90155	13.8171	13.986