condition	mean	min	max
4 h after light	8.2690745	8.145393	8.392756
8 h after light	8.186861500000001	7.810175	8.563548
12 h after light	8.066606	7.987819	8.145393
4 h after dark	8.0615655	7.174868	8.948263
8 h after dark	7.9640725	7.782752	8.145393
12 h after dark	8.27989	8.27989	8.27989