condition	mean	min	max
0 h after light	20.03855	19.293	20.7841
4 h after light	28.16205	25.756	30.5681
8 h after light	27.4896	27.4169	27.5623
4 h after dark	12.698599999999999	11.923	13.4742
8 h after dark	23.50345	21.9048	25.1021
12 h after dark	22.23775	20.8629	23.6126