condition	mean	min	max
4 h after light	12.13775	10.2201	14.0554
8 h after light	13.08285	12.6424	13.5233
12 h after light	16.78365	15.5799	17.9874
4 h after dark	19.029566666666668	18.2201	20.1648
8 h after dark	16.9411	15.3103	18.2502
12 h after dark	19.340266666666665	16.9071	22.1145