condition	mean	min	max
4 h after light	9.685857	9.577531	9.794183
8 h after light	9.606405	9.430974	9.781836
12 h after light	9.4195235	9.261516	9.577531
4 h after dark	9.2470695	9.15536	9.338779
8 h after dark	8.963804	8.333466	9.594142
12 h after dark	9.322701	9.322701	9.322701