condition	mean	min	max
4 h after light	9.6531	8.8122	10.494
8 h after light	8.92149	8.77189	9.07109
12 h after light	9.074845	8.64832	9.50137
4 h after dark	10.1076	10.0231	10.1921
8 h after dark	11.25515	11.1849	11.3254
12 h after dark	11.6107	11.4805	11.7409